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1. A Pregnancy and Childhood Epigenetics Consortium (PACE) meta-analysis highlights potential relationships between birth order and neonatal blood DNA methylation

Author: Li, Shaobo, Spitz, Natalia, Ghantous, Akram, Abrishamcar, Sarina, Reimann, Brigitte, Marques, Irene, Silver, Matt J., Aguilar-Lacasaña, Sofía, Kitaba, Negusse, Rezwan, Faisal I., Röder, Stefan, Sirignano, Lea, Tuhkanen, Johanna, Mancano, Giulia, Sharp, Gemma C., Metayer, Catherine, Morimoto, Libby, Stein, Dan J., Zar, Heather J., Alfano, Rossella, Nawrot, Tim, Wang, Congrong, Kajantie, Eero, Keikkala, Elina, Mustaniemi, Sanna, Ronkainen, Justiina, Sebert, Sylvain, Silva, Wnurinham, Vääräsmäki, Marja, Jaddoe, Vincent W.V., Bernstein, Robin M., Prentice, Andrew M., Cosin-Tomas, Marta, Dwyer, Terence, Håberg, Siri Eldevik, Herceg, Zdenko, Magnus, Maria C., Munthe-Kaas, Monica Cheng, Page, Christian M., Völker, Maja, Gilles, Maria, Send, Tabea, Witt, Stephanie, Zillich, Lea, Gagliardi, Luigi, Richiardi, Lorenzo, Czamara, Darina, Räikkönen, Katri, Chatzi, Lida, Vafeiadi, Marina, Arshad, S. Hasan, Ewart, Susan, Plusquin, Michelle, Felix, Janine F., Moore, Sophie E., Vrijheid, Martine, Holloway, John W., Karmaus, Wilfried, Herberth, Gunda, Zenclussen, Ana, Streit, Fabian, Lahti, Jari, Hüls, Anke, Hoang, Thanh T., London, Stephanie J., Wiemels, Joseph L., Li, Shaobo, Spitz, Natalia, Ghantous, Akram, Abrishamcar, Sarina, Reimann, Brigitte, Marques, Irene, Silver, Matt J., Aguilar-Lacasaña, Sofía, Kitaba, Negusse, Rezwan, Faisal I., Röder, Stefan, Sirignano, Lea, Tuhkanen, Johanna, Mancano, Giulia, Sharp, Gemma C., Metayer, Catherine, Morimoto, Libby, Stein, Dan J., Zar, Heather J., Alfano, Rossella, Nawrot, Tim, Wang, Congrong, Kajantie, Eero, Keikkala, Elina, Mustaniemi, Sanna, Ronkainen, Justiina, Sebert, Sylvain, Silva, Wnurinham, Vääräsmäki, Marja, Jaddoe, Vincent W.V., Bernstein, Robin M., Prentice, Andrew M., Cosin-Tomas, Marta, Dwyer, Terence, Håberg, Siri Eldevik, Herceg, Zdenko, Magnus, Maria C., Munthe-Kaas, Monica Cheng, Page, Christian M., Völker, Maja, Gilles, Maria, Send, Tabea, Witt, Stephanie, Zillich, Lea, Gagliardi, Luigi, Richiardi, Lorenzo, Czamara, Darina, Räikkönen, Katri, Chatzi, Lida, Vafeiadi, Marina, Arshad, S. Hasan, Ewart, Susan, Plusquin, Michelle, Felix, Janine F., Moore, Sophie E., Vrijheid, Martine, Holloway, John W., Karmaus, Wilfried, Herberth, Gunda, Zenclussen, Ana, Streit, Fabian, Lahti, Jari, Hüls, Anke, Hoang, Thanh T., London, Stephanie J., and Wiemels, Joseph L.
Abstract: Higher birth order is associated with altered risk of many disease states. Changes in placentation and exposures to in utero growth factors with successive pregnancies may impact later life disease risk via persistent DNA methylation alterations. We investigated birth order with Illumina DNA methylation array data in each of 16 birth cohorts (8164 newborns) with European, African, and Latino ancestries from the Pregnancy and Childhood Epigenetics Consortium. Meta-analyzed data demonstrated systematic DNA methylation variation in 341 CpGs (FDR adjusted P < 0.05) and 1107 regions. Forty CpGs were located within known quantitative trait loci for gene expression traits in blood, and trait enrichment analysis suggested a strong association with immune-related, transcriptional control, and blood pressure regulation phenotypes. Decreasing fertility rates worldwide with the concomitant increased proportion of first-born children highlights a potential reflection of birth order-related epigenomic states on changing disease incidence trends.
Published: 2024

2. Sex-Specific Associations of MDM2 and MDM4 Variants with Risk of Multiple Primary Melanomas and Melanoma Survival in Non-Hispanic Whites.

Author: Ward, Sarah V, Ward, Sarah V, Autuori, Isidora, Luo, Li, LaPilla, Emily, Yoo, Sarah, Sharma, Ajay, Busam, Klaus J, Olilla, David W, Dwyer, Terence, Anton-Culver, Hoda, Zanetti, Roberto, Sacchetto, Lidia, Cust, Anne E, Gallagher, Richard P, Kanetsky, Peter A, Rosso, Stefano, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, Orlow, Irene, GEM Study Group, Ward, Sarah V, Ward, Sarah V, Autuori, Isidora, Luo, Li, LaPilla, Emily, Yoo, Sarah, Sharma, Ajay, Busam, Klaus J, Olilla, David W, Dwyer, Terence, Anton-Culver, Hoda, Zanetti, Roberto, Sacchetto, Lidia, Cust, Anne E, Gallagher, Richard P, Kanetsky, Peter A, Rosso, Stefano, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, Orlow, Irene, and GEM Study Group
Abstract: MDM2-SNP309 (rs2279744), a common genetic modifier of cancer incidence in Li-Fraumeni syndrome, modifies risk, age of onset, or prognosis in a variety of cancers. Melanoma incidence and outcomes vary by sex, and although SNP309 exerts an effect on the estrogen receptor, no consensus exists on its effect on melanoma. MDM2 and MDM4 restrain p53-mediated tumor suppression, independently or together. We investigated SNP309, an a priori MDM4-rs4245739, and two coinherited variants, in a population-based cohort of 3663 primary incident melanomas. Per-allele and per-haplotype (MDM2_SNP309-SNP285; MDM4_rs4245739-rs1563828) odds ratios (OR) for multiple-melanoma were estimated with logistic regression models. Hazard ratios (HR) for melanoma death were estimated with Cox proportional hazards models. In analyses adjusted for covariates, females carrying MDM4-rs4245739*C were more likely to develop multiple melanomas (ORper-allele = 1.25, 95% CI 1.03-1.51, and Ptrend = 0.03), while MDM2-rs2279744*G was inversely associated with melanoma-death (HRper-allele = 0.63, 95% CI 0.42-0.95, and Ptrend = 0.03). We identified 16 coinherited expression quantitative loci that control the expression of MDM2, MDM4, and other genes in the skin, brain, and lungs. Our results suggest that MDM4/MDM2 variants are associated with the development of subsequent primaries and with the death of melanoma in a sex-dependent manner. Further investigations of the complex MDM2/MDM4 motif, and its contribution to the tumor microenvironment and observed associations, are warranted.
Published: 2023

3. Daily steps and all-cause mortality : a meta-analysis of 15 international cohorts

Author: Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., Fulton, Janet E., Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., and Fulton, Janet E.
Abstract: BACKGROUND: Although 10 000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. We aimed to determine the association between number of steps per day and stepping rate with all-cause mortality. METHODS: In this meta-analysis, we identified studies investigating the effect of daily step count on all-cause mortality in adults (aged ≥18 years), via a previously published systematic review and expert knowledge of the field. We asked participating study investigators to process their participant-level data following a standardised protocol. The primary outcome was all-cause mortality collected from death certificates and country registries. We analysed the dose-response association of steps per day and stepping rate with all-cause mortality. We did Cox proportional hazards regression analyses using study-specific quartiles of steps per day and calculated hazard ratios (HRs) with inverse-variance weighted random effects models. FINDINGS: We identified 15 studies, of which seven were published and eight were unpublished, with study start dates between 1999 and 2018. The total sample included 47 471 adults, among whom there were 3013 deaths (10·1 per 1000 participant-years) over a median follow-up of 7·1 years ([IQR 4·3-9·9]; total sum of follow-up across studies was 297 837 person-years). Quartile median steps per day were 3553 for quartile 1, 5801 for quartile 2, 7842 for quartile 3, and 10 901 for quartile 4. Compared with the lowest quartile, the adjusted HR for all-cause mortality was 0·60 (95% CI 0·51-0·71) for quartile 2, 0·55 (0·49-0·62) for quartile 3, and 0·47 (0·39-0·57) for quartile 4. Restricted cubic splines showed progressively decreasing risk of mortality among adults aged 60 years and older with increasing number of steps per day until 6000-8000 steps per day and among adults younger than 60 years until 8000-10 000 steps per day. Adjusting for number of steps per day, comparing quartile 1 with q
Published: 2022
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4. Daily steps and all-cause mortality : a meta-analysis of 15 international cohorts

Author: Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., Fulton, Janet E., Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., and Fulton, Janet E.
Abstract: BACKGROUND: Although 10 000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. We aimed to determine the association between number of steps per day and stepping rate with all-cause mortality. METHODS: In this meta-analysis, we identified studies investigating the effect of daily step count on all-cause mortality in adults (aged ≥18 years), via a previously published systematic review and expert knowledge of the field. We asked participating study investigators to process their participant-level data following a standardised protocol. The primary outcome was all-cause mortality collected from death certificates and country registries. We analysed the dose-response association of steps per day and stepping rate with all-cause mortality. We did Cox proportional hazards regression analyses using study-specific quartiles of steps per day and calculated hazard ratios (HRs) with inverse-variance weighted random effects models. FINDINGS: We identified 15 studies, of which seven were published and eight were unpublished, with study start dates between 1999 and 2018. The total sample included 47 471 adults, among whom there were 3013 deaths (10·1 per 1000 participant-years) over a median follow-up of 7·1 years ([IQR 4·3-9·9]; total sum of follow-up across studies was 297 837 person-years). Quartile median steps per day were 3553 for quartile 1, 5801 for quartile 2, 7842 for quartile 3, and 10 901 for quartile 4. Compared with the lowest quartile, the adjusted HR for all-cause mortality was 0·60 (95% CI 0·51-0·71) for quartile 2, 0·55 (0·49-0·62) for quartile 3, and 0·47 (0·39-0·57) for quartile 4. Restricted cubic splines showed progressively decreasing risk of mortality among adults aged 60 years and older with increasing number of steps per day until 6000-8000 steps per day and among adults younger than 60 years until 8000-10 000 steps per day. Adjusting for number of steps per day, comparing quartile 1 with q
Published: 2022
Full Text: View/download PDF

5. Daily steps and all-cause mortality : a meta-analysis of 15 international cohorts

Author: Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., Fulton, Janet E., Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., and Fulton, Janet E.
Abstract: BACKGROUND: Although 10 000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. We aimed to determine the association between number of steps per day and stepping rate with all-cause mortality. METHODS: In this meta-analysis, we identified studies investigating the effect of daily step count on all-cause mortality in adults (aged ≥18 years), via a previously published systematic review and expert knowledge of the field. We asked participating study investigators to process their participant-level data following a standardised protocol. The primary outcome was all-cause mortality collected from death certificates and country registries. We analysed the dose-response association of steps per day and stepping rate with all-cause mortality. We did Cox proportional hazards regression analyses using study-specific quartiles of steps per day and calculated hazard ratios (HRs) with inverse-variance weighted random effects models. FINDINGS: We identified 15 studies, of which seven were published and eight were unpublished, with study start dates between 1999 and 2018. The total sample included 47 471 adults, among whom there were 3013 deaths (10·1 per 1000 participant-years) over a median follow-up of 7·1 years ([IQR 4·3-9·9]; total sum of follow-up across studies was 297 837 person-years). Quartile median steps per day were 3553 for quartile 1, 5801 for quartile 2, 7842 for quartile 3, and 10 901 for quartile 4. Compared with the lowest quartile, the adjusted HR for all-cause mortality was 0·60 (95% CI 0·51-0·71) for quartile 2, 0·55 (0·49-0·62) for quartile 3, and 0·47 (0·39-0·57) for quartile 4. Restricted cubic splines showed progressively decreasing risk of mortality among adults aged 60 years and older with increasing number of steps per day until 6000-8000 steps per day and among adults younger than 60 years until 8000-10 000 steps per day. Adjusting for number of steps per day, comparing quartile 1 with q
Published: 2022
Full Text: View/download PDF

6. Common maternal infections during pregnancy and childhood leukaemia in the offspring: findings from six international birth cohorts.

Author: He, Jian-Rong, He, Jian-Rong, Hirst, Jane E, Tikellis, Gabriella, Phillips, Gary S, Ramakrishnan, Rema, Paltiel, Ora, Ponsonby, Anne-Louise, Klebanoff, Mark, Olsen, Jørn, Murphy, Michael FG, Håberg, Siri E, Lemeshow, Stanley, F Olsen, Sjurdur, Qiu, Xiu, Magnus, Per, Golding, Jean, Ward, Mary H, Wiemels, Joseph L, Rahimi, Kazem, Linet, Martha S, Dwyer, Terence, International Childhood Cancer Cohort Consortium, He, Jian-Rong, He, Jian-Rong, Hirst, Jane E, Tikellis, Gabriella, Phillips, Gary S, Ramakrishnan, Rema, Paltiel, Ora, Ponsonby, Anne-Louise, Klebanoff, Mark, Olsen, Jørn, Murphy, Michael FG, Håberg, Siri E, Lemeshow, Stanley, F Olsen, Sjurdur, Qiu, Xiu, Magnus, Per, Golding, Jean, Ward, Mary H, Wiemels, Joseph L, Rahimi, Kazem, Linet, Martha S, Dwyer, Terence, and International Childhood Cancer Cohort Consortium
Abstract: BackgroundPrevious epidemiological studies have found positive associations between maternal infections and childhood leukaemia; however, evidence from prospective cohort studies is scarce. We aimed to examine the associations using large-scale prospective data.MethodsData were pooled from six population-based birth cohorts in Australia, Denmark, Israel, Norway, the UK and the USA (recruitment 1950s-2000s). Primary outcomes were any childhood leukaemia and acute lymphoblastic leukaemia (ALL); secondary outcomes were acute myeloid leukaemia (AML) and any childhood cancer. Exposures included maternal self-reported infections [influenza-like illness, common cold, any respiratory tract infection, vaginal thrush, vaginal infections and urinary tract infection (including cystitis)] and infection-associated symptoms (fever and diarrhoea) during pregnancy. Covariate-adjusted hazard ratio (HR) and 95% confidence interval (CI) were estimated using multilevel Cox models.ResultsAmong 312 879 children with a median follow-up of 13.6 years, 167 leukaemias, including 129 ALL and 33 AML, were identified. Maternal urinary tract infection was associated with increased risk of any leukaemia [HR (95% CI) 1.68 (1.10-2.58)] and subtypes ALL [1.49 (0.87-2.56)] and AML [2.70 ([0.93-7.86)], but not with any cancer [1.13 (0.85-1.51)]. Respiratory tract infection was associated with increased risk of any leukaemia [1.57 (1.06-2.34)], ALL [1.43 (0.94-2.19)], AML [2.37 (1.10-5.12)] and any cancer [1.33 (1.09-1.63)]; influenza-like illness showed a similar pattern but with less precise estimates. There was no evidence of a link between other infections and any outcomes.ConclusionsUrinary tract and respiratory tract infections during pregnancy may be associated with childhood leukaemia, but the absolute risk is small given the rarity of the outcome.
Published: 2022

7. Meta-analysis of epigenome-wide association studies in newborns and children show widespread sex differences in blood DNA methylation.

Author: Solomon, Olivia, Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K, González, Juan R, Suderman, Matthew, Reese, Sarah E, Page, Christian M, Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M, Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D, Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I, Sharp, Gemma C, Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F, Isaevska, Elena, Magnus, Maria C, Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent WV, Nohr, Ellen A, Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E, Lahti, Jari, DeMeo, Dawn L, Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I, Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L, Czamara, Darina, Litonjua, Augusto A, Langhendries, Jean-Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B, Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S, Munthe-Kaas, Monica C, Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, MD, Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie-France, Felix, Janine F, Sørensen, Thorkild IA, Bustamante, Mariona, Murphy, Susan K, Raikkönen, Katri, Oken, Emily, Holloway, John W, Arshad, Syed Hasan, London, Stephanie J, Holland, Nina, Solomon, Olivia, Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K, González, Juan R, Suderman, Matthew, Reese, Sarah E, Page, Christian M, Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M, Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D, Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I, Sharp, Gemma C, Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F, Isaevska, Elena, Magnus, Maria C, Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent WV, Nohr, Ellen A, Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E, Lahti, Jari, DeMeo, Dawn L, Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I, Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L, Czamara, Darina, Litonjua, Augusto A, Langhendries, Jean-Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B, Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S, Munthe-Kaas, Monica C, Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, MD, Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie-France, Felix, Janine F, Sørensen, Thorkild IA, Bustamante, Mariona, Murphy, Susan K, Raikkönen, Katri, Oken, Emily, Holloway, John W, Arshad, Syed Hasan, London, Stephanie J, and Holland, Nina
Abstract: BackgroundAmong children, sex-specific differences in disease prevalence, age of onset, and susceptibility have been observed in health conditions including asthma, immune response, metabolic health, some pediatric and adult cancers, and psychiatric disorders. Epigenetic modifications such as DNA methylation may play a role in the sexual differences observed in diseases and other physiological traits.MethodsWe performed a meta-analysis of the association of sex and cord blood DNA methylation at over 450,000 CpG sites in 8438 newborns from 17 cohorts participating in the Pregnancy And Childhood Epigenetics (PACE) Consortium. We also examined associations of child sex with DNA methylation in older children ages 5.5-10 years from 8 cohorts (n = 4268).ResultsIn newborn blood, sex was associated at Bonferroni level significance with differences in DNA methylation at 46,979 autosomal CpG sites (p < 1.3 × 10-7) after adjusting for white blood cell proportions and batch. Most of those sites had lower methylation levels in males than in females. Of the differentially methylated CpG sites identified in newborn blood, 68% (31,727) met look-up level significance (p < 1.1 × 10-6) in older children and had methylation differences in the same direction.ConclusionsThis is a large-scale meta-analysis examining sex differences in DNA methylation in newborns and older children. Expanding upon previous studies, we replicated previous findings and identified additional autosomal sites with sex-specific differences in DNA methylation. Differentially methylated sites were enriched in genes involved in cancer, psychiatric disorders, and cardiovascular phenotypes.
Published: 2022

8. Daily steps and all-cause mortality : a meta-analysis of 15 international cohorts

Author: Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., Fulton, Janet E., Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., and Fulton, Janet E.
Abstract: BACKGROUND: Although 10 000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. We aimed to determine the association between number of steps per day and stepping rate with all-cause mortality. METHODS: In this meta-analysis, we identified studies investigating the effect of daily step count on all-cause mortality in adults (aged ≥18 years), via a previously published systematic review and expert knowledge of the field. We asked participating study investigators to process their participant-level data following a standardised protocol. The primary outcome was all-cause mortality collected from death certificates and country registries. We analysed the dose-response association of steps per day and stepping rate with all-cause mortality. We did Cox proportional hazards regression analyses using study-specific quartiles of steps per day and calculated hazard ratios (HRs) with inverse-variance weighted random effects models. FINDINGS: We identified 15 studies, of which seven were published and eight were unpublished, with study start dates between 1999 and 2018. The total sample included 47 471 adults, among whom there were 3013 deaths (10·1 per 1000 participant-years) over a median follow-up of 7·1 years ([IQR 4·3-9·9]; total sum of follow-up across studies was 297 837 person-years). Quartile median steps per day were 3553 for quartile 1, 5801 for quartile 2, 7842 for quartile 3, and 10 901 for quartile 4. Compared with the lowest quartile, the adjusted HR for all-cause mortality was 0·60 (95% CI 0·51-0·71) for quartile 2, 0·55 (0·49-0·62) for quartile 3, and 0·47 (0·39-0·57) for quartile 4. Restricted cubic splines showed progressively decreasing risk of mortality among adults aged 60 years and older with increasing number of steps per day until 6000-8000 steps per day and among adults younger than 60 years until 8000-10 000 steps per day. Adjusting for number of steps per day, comparing quartile 1 with q
Published: 2022
Full Text: View/download PDF

9. Daily steps and all-cause mortality : a meta-analysis of 15 international cohorts

Author: Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., Fulton, Janet E., Paluch, Amanda E., Bajpai, Shivangi, Bassett, David R., Carnethon, Mercedes R., Ekelund, Ulf, Evenson, Kelly R., Galuska, Deborah A., Jefferis, Barbara J., Kraus, William E., Lee, I-Min, Matthews, Charles E., Omura, John D., Patel, Alpa V., Pieper, Carl F., Rees-Punia, Erika, Dallmeier, Dhayana, Klenk, Jochen, Whincup, Peter H., Dooley, Erin E., Pettee Gabriel, Kelley, Palta, Priya, Pompeii, Lisa A., Chernofsky, Ariel, Larson, Martin G., Vasan, Ramachandran S., Spartano, Nicole, Ballin, Marcel, Nordström, Peter, Nordström, Anna, Anderssen, Sigmund A., Hansen, Bjørge H., Cochrane, Jennifer A., Dwyer, Terence, Wang, Jing, Ferrucci, Luigi, Liu, Fangyu, Schrack, Jennifer, Urbanek, Jacek, Saint-Maurice, Pedro F., Yamamoto, Naofumi, Yoshitake, Yutaka, Newton, Robert L., Yang, Shengping, Shiroma, Eric J., and Fulton, Janet E.
Abstract: BACKGROUND: Although 10 000 steps per day is widely promoted to have health benefits, there is little evidence to support this recommendation. We aimed to determine the association between number of steps per day and stepping rate with all-cause mortality. METHODS: In this meta-analysis, we identified studies investigating the effect of daily step count on all-cause mortality in adults (aged ≥18 years), via a previously published systematic review and expert knowledge of the field. We asked participating study investigators to process their participant-level data following a standardised protocol. The primary outcome was all-cause mortality collected from death certificates and country registries. We analysed the dose-response association of steps per day and stepping rate with all-cause mortality. We did Cox proportional hazards regression analyses using study-specific quartiles of steps per day and calculated hazard ratios (HRs) with inverse-variance weighted random effects models. FINDINGS: We identified 15 studies, of which seven were published and eight were unpublished, with study start dates between 1999 and 2018. The total sample included 47 471 adults, among whom there were 3013 deaths (10·1 per 1000 participant-years) over a median follow-up of 7·1 years ([IQR 4·3-9·9]; total sum of follow-up across studies was 297 837 person-years). Quartile median steps per day were 3553 for quartile 1, 5801 for quartile 2, 7842 for quartile 3, and 10 901 for quartile 4. Compared with the lowest quartile, the adjusted HR for all-cause mortality was 0·60 (95% CI 0·51-0·71) for quartile 2, 0·55 (0·49-0·62) for quartile 3, and 0·47 (0·39-0·57) for quartile 4. Restricted cubic splines showed progressively decreasing risk of mortality among adults aged 60 years and older with increasing number of steps per day until 6000-8000 steps per day and among adults younger than 60 years until 8000-10 000 steps per day. Adjusting for number of steps per day, comparing quartile 1 with q
Published: 2022
Full Text: View/download PDF

10. Meta-analysis of epigenome-wide association studies in newborns and children show widespread sex differences in blood DNA methylation

Author: Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K., González, Juan R., Suderman, Matthew, Reese, Sarah E., Page, Christian M., Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M., Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D., Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I., Sharp, Gemma C., Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F., Isaevska, Elena, Magnus, Maria C., Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent W.V., Nohr, Ellen A., Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E., Lahti, Jari, DeMeo, Dawn L., Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I., Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L., Czamara, Darina, Litonjua, Augusto A., Langhendries, Jean Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B., Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S., Munthe-Kaas, Monica C., Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, M. D., Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie France, Felix, Janine F., Sørensen, Thorkild I.A., Bustamante, Mariona, Murphy, Susan K., Raikkönen, Katri, Oken, Emily, Holloway, John W., Arshad, Syed Hasan, London, Stephanie J., Holland, Nina, Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K., González, Juan R., Suderman, Matthew, Reese, Sarah E., Page, Christian M., Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M., Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D., Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I., Sharp, Gemma C., Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F., Isaevska, Elena, Magnus, Maria C., Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent W.V., Nohr, Ellen A., Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E., Lahti, Jari, DeMeo, Dawn L., Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I., Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L., Czamara, Darina, Litonjua, Augusto A., Langhendries, Jean Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B., Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S., Munthe-Kaas, Monica C., Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, M. D., Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie France, Felix, Janine F., Sørensen, Thorkild I.A., Bustamante, Mariona, Murphy, Susan K., Raikkönen, Katri, Oken, Emily, Holloway, John W., Arshad, Syed Hasan, London, Stephanie J., and Holland, Nina
Abstract: Background: Among children, sex-specific differences in disease prevalence, age of onset, and susceptibility have been observed in health conditions including asthma, immune response, metabolic health, some pediatric and adult cancers, and psychiatric disorders. Epigenetic modifications such as DNA methylation may play a role in the sexual differences observed in diseases and other physiological traits. Methods: We performed a meta-analysis of the association of sex and cord blood DNA methylation at over 450,000 CpG sites in 8438 newborns from 17 cohorts participating in the Pregnancy And Childhood Epigenetics (PACE) Consortium. We also examined associations of child sex with DNA methylation in older children ages 5.5–10 years from 8 cohorts (n = 4268). Results: In newborn blood, sex was associated at Bonferroni level significance with differences in DNA methylation at 46,979 autosomal CpG sites (p < 1.3 × 10−7) after adjusting for white blood cell proportions and batch. Most of those sites had lower methylation levels in males than in females. Of the differentially methylated CpG sites identified in newborn blood, 68% (31,727) met look-up level significance (p < 1.1 × 10−6) in older children and had methylation differences in the same direction. Conclusions: This is a large-scale meta-analysis examining sex differences in DNA methylation in newborns and older children. Expanding upon previous studies, we replicated previous findings and identified additional autosomal sites with sex-specific differences in DNA methylation. Differentially methylated sites were enriched in genes involved in cancer, psychiatric disorders, and cardiovascular phenotypes.
Published: 2022

11. Meta-analysis of epigenome-wide association studies in newborns and children show widespread sex differences in blood DNA methylation

Author: Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K., González, Juan R., Suderman, Matthew, Reese, Sarah E., Page, Christian M., Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M., Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D., Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I., Sharp, Gemma C., Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F., Isaevska, Elena, Magnus, Maria C., Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent W.V., Nohr, Ellen A., Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E., Lahti, Jari, DeMeo, Dawn L., Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I., Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L., Czamara, Darina, Litonjua, Augusto A., Langhendries, Jean Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B., Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S., Munthe-Kaas, Monica C., Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, M. D., Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie France, Felix, Janine F., Sørensen, Thorkild I.A., Bustamante, Mariona, Murphy, Susan K., Raikkönen, Katri, Oken, Emily, Holloway, John W., Arshad, Syed Hasan, London, Stephanie J., Holland, Nina, Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K., González, Juan R., Suderman, Matthew, Reese, Sarah E., Page, Christian M., Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M., Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D., Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I., Sharp, Gemma C., Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F., Isaevska, Elena, Magnus, Maria C., Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent W.V., Nohr, Ellen A., Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E., Lahti, Jari, DeMeo, Dawn L., Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I., Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L., Czamara, Darina, Litonjua, Augusto A., Langhendries, Jean Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B., Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S., Munthe-Kaas, Monica C., Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, M. D., Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie France, Felix, Janine F., Sørensen, Thorkild I.A., Bustamante, Mariona, Murphy, Susan K., Raikkönen, Katri, Oken, Emily, Holloway, John W., Arshad, Syed Hasan, London, Stephanie J., and Holland, Nina
Abstract: Background: Among children, sex-specific differences in disease prevalence, age of onset, and susceptibility have been observed in health conditions including asthma, immune response, metabolic health, some pediatric and adult cancers, and psychiatric disorders. Epigenetic modifications such as DNA methylation may play a role in the sexual differences observed in diseases and other physiological traits. Methods: We performed a meta-analysis of the association of sex and cord blood DNA methylation at over 450,000 CpG sites in 8438 newborns from 17 cohorts participating in the Pregnancy And Childhood Epigenetics (PACE) Consortium. We also examined associations of child sex with DNA methylation in older children ages 5.5–10 years from 8 cohorts (n = 4268). Results: In newborn blood, sex was associated at Bonferroni level significance with differences in DNA methylation at 46,979 autosomal CpG sites (p < 1.3 × 10−7) after adjusting for white blood cell proportions and batch. Most of those sites had lower methylation levels in males than in females. Of the differentially methylated CpG sites identified in newborn blood, 68% (31,727) met look-up level significance (p < 1.1 × 10−6) in older children and had methylation differences in the same direction. Conclusions: This is a large-scale meta-analysis examining sex differences in DNA methylation in newborns and older children. Expanding upon previous studies, we replicated previous findings and identified additional autosomal sites with sex-specific differences in DNA methylation. Differentially methylated sites were enriched in genes involved in cancer, psychiatric disorders, and cardiovascular phenotypes.
Published: 2022

12. Meta-analysis of epigenome-wide association studies in newborns and children show widespread sex differences in blood DNA methylation

Author: Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K., González, Juan R., Suderman, Matthew, Reese, Sarah E., Page, Christian M., Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M., Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D., Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I., Sharp, Gemma C., Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F., Isaevska, Elena, Magnus, Maria C., Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent W.V., Nohr, Ellen A., Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E., Lahti, Jari, DeMeo, Dawn L., Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I., Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L., Czamara, Darina, Litonjua, Augusto A., Langhendries, Jean Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B., Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S., Munthe-Kaas, Monica C., Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, M. D., Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie France, Felix, Janine F., Sørensen, Thorkild I.A., Bustamante, Mariona, Murphy, Susan K., Raikkönen, Katri, Oken, Emily, Holloway, John W., Arshad, Syed Hasan, London, Stephanie J., Holland, Nina, Solomon, Olivia, Huen, Karen, Yousefi, Paul, Küpers, Leanne K., González, Juan R., Suderman, Matthew, Reese, Sarah E., Page, Christian M., Gruzieva, Olena, Rzehak, Peter, Gao, Lu, Bakulski, Kelly M., Novoloaca, Alexei, Allard, Catherine, Pappa, Irene, Llambrich, Maria, Vives, Marta, Jima, Dereje D., Kvist, Tuomas, Baccarelli, Andrea, White, Cory, Rezwan, Faisal I., Sharp, Gemma C., Tindula, Gwen, Bergström, Anna, Grote, Veit, Dou, John F., Isaevska, Elena, Magnus, Maria C., Corpeleijn, Eva, Perron, Patrice, Jaddoe, Vincent W.V., Nohr, Ellen A., Maitre, Lea, Foraster, Maria, Hoyo, Cathrine, Håberg, Siri E., Lahti, Jari, DeMeo, Dawn L., Zhang, Hongmei, Karmaus, Wilfried, Kull, Inger, Koletzko, Berthold, Feinberg, Jason I., Gagliardi, Luigi, Bouchard, Luigi, Ramlau-Hansen, Cecilia Høst, Tiemeier, Henning, Santorelli, Gillian, Maguire, Rachel L., Czamara, Darina, Litonjua, Augusto A., Langhendries, Jean Paul, Plusquin, Michelle, Lepeule, Johanna, Binder, Elisabeth B., Verduci, Elvira, Dwyer, Terence, Carracedo, Ángel, Ferre, Natalia, Eskenazi, Brenda, Kogevinas, Manolis, Nawrot, Tim S., Munthe-Kaas, Monica C., Herceg, Zdenko, Relton, Caroline, Melén, Erik, Gruszfeld, Dariusz, Breton, Carrie, Fallin, M. D., Ghantous, Akram, Nystad, Wenche, Heude, Barbara, Snieder, Harold, Hivert, Marie France, Felix, Janine F., Sørensen, Thorkild I.A., Bustamante, Mariona, Murphy, Susan K., Raikkönen, Katri, Oken, Emily, Holloway, John W., Arshad, Syed Hasan, London, Stephanie J., and Holland, Nina
Abstract: Background: Among children, sex-specific differences in disease prevalence, age of onset, and susceptibility have been observed in health conditions including asthma, immune response, metabolic health, some pediatric and adult cancers, and psychiatric disorders. Epigenetic modifications such as DNA methylation may play a role in the sexual differences observed in diseases and other physiological traits. Methods: We performed a meta-analysis of the association of sex and cord blood DNA methylation at over 450,000 CpG sites in 8438 newborns from 17 cohorts participating in the Pregnancy And Childhood Epigenetics (PACE) Consortium. We also examined associations of child sex with DNA methylation in older children ages 5.5–10 years from 8 cohorts (n = 4268). Results: In newborn blood, sex was associated at Bonferroni level significance with differences in DNA methylation at 46,979 autosomal CpG sites (p < 1.3 × 10−7) after adjusting for white blood cell proportions and batch. Most of those sites had lower methylation levels in males than in females. Of the differentially methylated CpG sites identified in newborn blood, 68% (31,727) met look-up level significance (p < 1.1 × 10−6) in older children and had methylation differences in the same direction. Conclusions: This is a large-scale meta-analysis examining sex differences in DNA methylation in newborns and older children. Expanding upon previous studies, we replicated previous findings and identified additional autosomal sites with sex-specific differences in DNA methylation. Differentially methylated sites were enriched in genes involved in cancer, psychiatric disorders, and cardiovascular phenotypes.
Published: 2022

13. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

14. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

15. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

16. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

17. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

18. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

19. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

20. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

21. Association of Melanoma-Risk Variants with Primary Melanoma Tumor Prognostic Characteristics and Melanoma-Specific Survival in the GEM Study.

Author: Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Gibbs, David C, Ollila, David W, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Gibbs, David C, Ollila, David W, Begg, Colin B, Berwick, Marianne, and Thomas, Nancy E
Abstract: Genome-wide association studies (GWAS) and candidate pathway studies have identified low-penetrant genetic variants associated with cutaneous melanoma. We investigated the association of melanoma-risk variants with primary melanoma tumor prognostic characteristics and melanoma-specific survival. The Genes, Environment, and Melanoma Study enrolled 3285 European origin participants with incident invasive primary melanoma. For each of 47 melanoma-risk single nucleotide polymorphisms (SNPs), we used linear and logistic regression modeling to estimate, respectively, the per allele mean changes in log of Breslow thickness and odds ratios for presence of ulceration, mitoses, and tumor-infiltrating lymphocytes (TILs). We also used Cox proportional hazards regression modeling to estimate the per allele hazard ratios for melanoma-specific survival. Passing the false discovery threshold (p = 0.0026) were associations of IRF4 rs12203592 and CCND1 rs1485993 with log of Breslow thickness, and association of TERT rs2242652 with presence of mitoses. IRF4 rs12203592 also had nominal associations (p < 0.05) with presence of mitoses and melanoma-specific survival, as well as a borderline association (p = 0.07) with ulceration. CCND1 rs1485993 also had a borderline association with presence of mitoses (p = 0.06). MX2 rs45430 had nominal associations with log of Breslow thickness, presence of mitoses, and melanoma-specific survival. Our study indicates that further research investigating the associations of these genetic variants with underlying biologic pathways related to tumor progression is warranted.
Published: 2021

22. Disease-Associated Risk Variants in ANRIL Are Associated with Tumor-Infiltrating Lymphocyte Presence in Primary Melanomas in the Population-Based GEM Study.

Author: Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Edmiston, Sharon N, Conway, Kathleen, Parrish, Eloise A, Hao, Honglin, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Ollila, David W, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, GEM Study Group, Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Edmiston, Sharon N, Conway, Kathleen, Parrish, Eloise A, Hao, Honglin, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Ollila, David W, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, and GEM Study Group
Abstract: BackgroundGenome-wide association studies have reported that genetic variation at ANRIL (CDKN2B-AS1) is associated with risk of several chronic diseases including coronary artery disease, coronary artery calcification, myocardial infarction, and type 2 diabetes mellitus. ANRIL is located at the CDKN2A/B locus, which encodes multiple melanoma tumor suppressors. We investigated the association of these variants with melanoma prognostic characteristics.MethodsThe Genes, Environment, and Melanoma Study enrolled 3,285 European origin participants with incident invasive primary melanoma. For each of ten disease-associated SNPs at or near ANRIL, we used linear and logistic regression modeling to estimate, respectively, the per allele mean changes in log of Breslow thickness and ORs for presence of ulceration and tumor-infiltrating lymphocytes (TIL). We also assessed effect modification by tumor NRAS/BRAF mutational status.ResultsRs518394, rs10965215, and rs564398 passed false discovery and were each associated (P ≤ 0.005) with TILs, although only rs564398 was independently associated (P = 0.0005) with TILs. Stratified by NRAS/BRAF mutational status, rs564398*A was significantly positively associated with TILs among NRAS/BRAF mutant, but not wild-type, cases. We did not find SNP associations with Breslow thickness or ulceration.ConclusionsANRIL rs564398 was associated with TIL presence in primary melanomas, and this association may be limited to NRAS/BRAF-mutant cases.ImpactPathways related to ANRIL variants warrant exploration in relationship to TILs in melanoma, especially given the impact of TILs on immunotherapy and survival.
Published: 2021

23. Differences in Melanoma Between Canada and New South Wales, Australia: A Population-Based Genes, Environment, and Melanoma (GEM) Study.

Author: Yardman-Frank, Joseph Michael, Yardman-Frank, Joseph Michael, Glassheim, Elyssa, Kricker, Anne, Armstrong, Bruce K, Marrett, Loraine D, Luo, Li, Cust, Anne E, Busam, Klaus J, Orlow, Irene, Gallagher, Richard P, Gruber, Stephen B, Anton-Culver, Hoda, Rosso, Stefano, Zanetti, Roberto, Sacchetto, Lidia, Kanetsky, Peter A, Dwyer, Terence, Venn, Alison, Lee-Taylor, Julia, Begg, Colin B, Thomas, Nancy E, Berwick, Marianne, Yardman-Frank, Joseph Michael, Yardman-Frank, Joseph Michael, Glassheim, Elyssa, Kricker, Anne, Armstrong, Bruce K, Marrett, Loraine D, Luo, Li, Cust, Anne E, Busam, Klaus J, Orlow, Irene, Gallagher, Richard P, Gruber, Stephen B, Anton-Culver, Hoda, Rosso, Stefano, Zanetti, Roberto, Sacchetto, Lidia, Kanetsky, Peter A, Dwyer, Terence, Venn, Alison, Lee-Taylor, Julia, Begg, Colin B, Thomas, Nancy E, and Berwick, Marianne
Published: 2021

24. Disease-Associated Risk Variants in ANRIL Are Associated with Tumor-Infiltrating Lymphocyte Presence in Primary Melanomas in the Population-Based GEM Study.

Author: Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Edmiston, Sharon N, Conway, Kathleen, Parrish, Eloise A, Hao, Honglin, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Ollila, David W, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, GEM Study Group, Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Edmiston, Sharon N, Conway, Kathleen, Parrish, Eloise A, Hao, Honglin, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Ollila, David W, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, and GEM Study Group
Abstract: BackgroundGenome-wide association studies have reported that genetic variation at ANRIL (CDKN2B-AS1) is associated with risk of several chronic diseases including coronary artery disease, coronary artery calcification, myocardial infarction, and type 2 diabetes mellitus. ANRIL is located at the CDKN2A/B locus, which encodes multiple melanoma tumor suppressors. We investigated the association of these variants with melanoma prognostic characteristics.MethodsThe Genes, Environment, and Melanoma Study enrolled 3,285 European origin participants with incident invasive primary melanoma. For each of ten disease-associated SNPs at or near ANRIL, we used linear and logistic regression modeling to estimate, respectively, the per allele mean changes in log of Breslow thickness and ORs for presence of ulceration and tumor-infiltrating lymphocytes (TIL). We also assessed effect modification by tumor NRAS/BRAF mutational status.ResultsRs518394, rs10965215, and rs564398 passed false discovery and were each associated (P ≤ 0.005) with TILs, although only rs564398 was independently associated (P = 0.0005) with TILs. Stratified by NRAS/BRAF mutational status, rs564398*A was significantly positively associated with TILs among NRAS/BRAF mutant, but not wild-type, cases. We did not find SNP associations with Breslow thickness or ulceration.ConclusionsANRIL rs564398 was associated with TIL presence in primary melanomas, and this association may be limited to NRAS/BRAF-mutant cases.ImpactPathways related to ANRIL variants warrant exploration in relationship to TILs in melanoma, especially given the impact of TILs on immunotherapy and survival.
Published: 2021

25. Association of Melanoma-Risk Variants with Primary Melanoma Tumor Prognostic Characteristics and Melanoma-Specific Survival in the GEM Study.

Author: Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Gibbs, David C, Ollila, David W, Begg, Colin B, Berwick, Marianne, Thomas, Nancy E, Davari, Danielle R, Davari, Danielle R, Orlow, Irene, Kanetsky, Peter A, Luo, Li, Busam, Klaus J, Sharma, Ajay, Kricker, Anne, Cust, Anne E, Anton-Culver, Hoda, Gruber, Stephen B, Gallagher, Richard P, Zanetti, Roberto, Rosso, Stefano, Sacchetto, Lidia, Dwyer, Terence, Gibbs, David C, Ollila, David W, Begg, Colin B, Berwick, Marianne, and Thomas, Nancy E
Abstract: Genome-wide association studies (GWAS) and candidate pathway studies have identified low-penetrant genetic variants associated with cutaneous melanoma. We investigated the association of melanoma-risk variants with primary melanoma tumor prognostic characteristics and melanoma-specific survival. The Genes, Environment, and Melanoma Study enrolled 3285 European origin participants with incident invasive primary melanoma. For each of 47 melanoma-risk single nucleotide polymorphisms (SNPs), we used linear and logistic regression modeling to estimate, respectively, the per allele mean changes in log of Breslow thickness and odds ratios for presence of ulceration, mitoses, and tumor-infiltrating lymphocytes (TILs). We also used Cox proportional hazards regression modeling to estimate the per allele hazard ratios for melanoma-specific survival. Passing the false discovery threshold (p = 0.0026) were associations of IRF4 rs12203592 and CCND1 rs1485993 with log of Breslow thickness, and association of TERT rs2242652 with presence of mitoses. IRF4 rs12203592 also had nominal associations (p < 0.05) with presence of mitoses and melanoma-specific survival, as well as a borderline association (p = 0.07) with ulceration. CCND1 rs1485993 also had a borderline association with presence of mitoses (p = 0.06). MX2 rs45430 had nominal associations with log of Breslow thickness, presence of mitoses, and melanoma-specific survival. Our study indicates that further research investigating the associations of these genetic variants with underlying biologic pathways related to tumor progression is warranted.
Published: 2021

26. Differences in Melanoma Between Canada and New South Wales, Australia: A Population-Based Genes, Environment, and Melanoma (GEM) Study.

Author: Yardman-Frank, Joseph Michael, Yardman-Frank, Joseph Michael, Glassheim, Elyssa, Kricker, Anne, Armstrong, Bruce K, Marrett, Loraine D, Luo, Li, Cust, Anne E, Busam, Klaus J, Orlow, Irene, Gallagher, Richard P, Gruber, Stephen B, Anton-Culver, Hoda, Rosso, Stefano, Zanetti, Roberto, Sacchetto, Lidia, Kanetsky, Peter A, Dwyer, Terence, Venn, Alison, Lee-Taylor, Julia, Begg, Colin B, Thomas, Nancy E, Berwick, Marianne, Yardman-Frank, Joseph Michael, Yardman-Frank, Joseph Michael, Glassheim, Elyssa, Kricker, Anne, Armstrong, Bruce K, Marrett, Loraine D, Luo, Li, Cust, Anne E, Busam, Klaus J, Orlow, Irene, Gallagher, Richard P, Gruber, Stephen B, Anton-Culver, Hoda, Rosso, Stefano, Zanetti, Roberto, Sacchetto, Lidia, Kanetsky, Peter A, Dwyer, Terence, Venn, Alison, Lee-Taylor, Julia, Begg, Colin B, Thomas, Nancy E, and Berwick, Marianne
Abstract: In an effort to understand the difference between melanomas diagnosed in Australia (New South Wales) and Canada, where the incidence in New South Wales is almost three times greater than in Canada, and mortality is twice as high although survival is slightly more favorable, we had one pathologist review 1,271 melanomas from British Columbia and Ontario, Canada, to compare these to melanomas in New South Wales, Australia. We hypothesized that histopathologic characteristics might provide insight into divergent pathways to melanoma development. We found a number of differences in risk factors and tumor characteristics between the two geographic areas. There were higher mole counts and darker phenotypes in the Canadian patients, while the Australian patients had greater solar elastosis, more lentigo maligna melanomas, and more tumor infiltrating lymphocytes. We hypothesize that the differences observed may illustrate different etiologies – the cumulative exposure pathway among Australian patients and the nevus pathway among Canadian patients. This is one of the largest studies investigating the divergent pathway hypothesis and is particularly robust due to the evaluation of all lesions by one dermatopathologist.
Published: 2021

27. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

28. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

29. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

30. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

31. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

32. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

33. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild I A, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2021

34. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age.

Author: Merid, Simon Kebede, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild IA, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild IA, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: BackgroundPreterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children.MethodsWe performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung.ResultsWe identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels.ConclusionsWe identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2020

35. Body mass index from early to late childhood and cardiometabolic measurements at 11 to 12 years

Author: Lycett, Kate, Juonala, Markus, Magnussen, Costan G., Norrish, David, Mensah, Fiona K., Liu, Richard, Clifford, Susan A., Carlin, John B., Olds, Tim, Saffery, Richard, Kerr, Jessica A., Ranganathan, Sarath, Baur, Louise A., Sabin, Matthew A., Cheung, Michael, Dwyer, Terence, Liu, Mengiao, Burgner, David, Wake, Melissa, Lycett, Kate, Juonala, Markus, Magnussen, Costan G., Norrish, David, Mensah, Fiona K., Liu, Richard, Clifford, Susan A., Carlin, John B., Olds, Tim, Saffery, Richard, Kerr, Jessica A., Ranganathan, Sarath, Baur, Louise A., Sabin, Matthew A., Cheung, Michael, Dwyer, Terence, Liu, Mengiao, Burgner, David, and Wake, Melissa
Published: 2020

36. Perinatal photoperiod and childhood cancer: pooled results from 182,856 individuals in the international childhood cancer cohort consortium (I4C)

Author: Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Gross, J. Valerie, Fostere, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne-Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, Erren, Thomas C., Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Gross, J. Valerie, Fostere, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne-Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, and Erren, Thomas C.
Abstract: Experimental evidence suggests that perinatal light imprinting of circadian clocks and systems may affect downstream physiology and cancer risk in later life. For humans, the predominant circadian stimulus is the daily light-dark cycle. Herein, we explore associations between perinatal photoperiod characteristics (photoperiod: duration of daylight as determined by time-of-year and location) and childhood cancer risk. We use pooled data on 182,856 mothers and babies from prospective birth cohorts in six countries (Australia, Denmark, Israel, Norway, UK, USA) within the International Childhood Cancer Cohort Consortium (I4C). Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). In line with predicted differential dose-responses, restricted cubic splines indicate a potential non-linear, non-monotonic relationship between perinatal mean daily photoperiod (0-24 h) and childhood cancer risk. In a restricted analysis of 154,121 individuals who experienced third trimester photoperiods exclusively within the 8-16-h range, the relative risk of developing childhood cancer decreased by 9% with every hour increase in third trimester mean daily photoperiod [HR: 0.91 (95%CIs: 0.84-0.99)]. In conclusion, in this first study of perinatal photoperiod and childhood cancer, we detected an inverse [protective] linear association between third trimester mean daily photoperiod and childhood cancer risk in the 8-16-h set of the total study population. Limited statistical power impeded the investigation of risks with individuals exposed to more extreme photoperiods. Future studies are needed to confirm differential photoperiod-associated risks and further investigations into the hypothesized circadian imprinting mechanism are warranted.
Published: 2020

37. Pre-school child blood lead levels in a population-derived Australian birth cohort: the Barwon Infant Study

Author: Symeonides, Christos, Vuillermin, Peter, Sly, Peter D, Collier, Fiona, Lynch, Victoria, Falconer, Sandra, Pezic, Angela, Wardrop, Nicole, Dwyer, Terence, Ranganathan, Sarath, Ponsonby, Anne-Louise B, Symeonides, Christos, Vuillermin, Peter, Sly, Peter D, Collier, Fiona, Lynch, Victoria, Falconer, Sandra, Pezic, Angela, Wardrop, Nicole, Dwyer, Terence, Ranganathan, Sarath, and Ponsonby, Anne-Louise B
Published: 2020

38. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age.

Author: Merid, Simon Kebede, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild IA, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, Melén, Erik, Merid, Simon Kebede, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C, Küpers, Leanne K, Kho, Alvin T, Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O, Kazmi, Nabila, Salas, Lucas A, Rezwan, Faisal I, Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L, Melton, Phillip E, Lawlor, Debbie A, Pershagen, Göran, Breton, Carrie V, Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S, Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L, Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M, Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A, Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L, Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W, Sørensen, Thorkild IA, Vrijheid, Martine, Arshad, S Hasan, Holloway, John W, Håberg, Siri E, Magnus, Per, Dwyer, Terence, Binder, Elisabeth B, DeMeo, Dawn L, Vonk, Judith M, Newnham, John, Tantisira, Kelan G, Kull, Inger, Wiemels, Joseph L, Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C, Räikkönen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T, Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E, Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F, Koppelman, Gerard H, London, Stephanie J, and Melén, Erik
Abstract: BackgroundPreterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children.MethodsWe performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung.ResultsWe identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10- 7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels.ConclusionsWe identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2020

39. Maternal Infection in Pregnancy and Childhood Leukemia: A Systematic Review and Meta-analysis.

Author: He, Jian-Rong, He, Jian-Rong, Ramakrishnan, Rema, Hirst, Jane E, Bonaventure, Audrey, Francis, Stephen S, Paltiel, Ora, Håberg, Siri E, Lemeshow, Stanley, Olsen, Sjurdur, Tikellis, Gabriella, Magnus, Per, Murphy, Michael FG, Wiemels, Joseph L, Linet, Martha S, Dwyer, Terence, He, Jian-Rong, He, Jian-Rong, Ramakrishnan, Rema, Hirst, Jane E, Bonaventure, Audrey, Francis, Stephen S, Paltiel, Ora, Håberg, Siri E, Lemeshow, Stanley, Olsen, Sjurdur, Tikellis, Gabriella, Magnus, Per, Murphy, Michael FG, Wiemels, Joseph L, Linet, Martha S, and Dwyer, Terence
Abstract: ObjectiveTo summarize the published evidence regarding the association between maternal infection during pregnancy and childhood leukemia.Study designIn this systematic review and meta-analysis (PROSPERO number, CRD42018087289), we searched PubMed and Embase to identify relevant studies. We included human studies that reported associations of at least one measure of maternal infection during pregnancy with acute lymphoblastic leukemia (ALL) or all childhood leukemias in the offspring. One reviewer extracted the data first using a standardized form, and the second reviewer independently checked the data for accuracy. Two reviewers used the Newcastle-Ottawa Scale to assess the quality of included studies. We conducted random effects meta-analyses to pool the ORs of specific type of infection on ALL and childhood leukemia.ResultsThis review included 20 studies (ALL, n = 15; childhood leukemia, n = 14) reported in 32 articles. Most (>65%) included studies reported a positive association between infection variables and ALL or childhood leukemia. Among specific types of infection, we found that influenza during pregnancy was associated with higher risk of ALL (pooled OR, 3.64; 95% CI, 1.34-9.90) and childhood leukemia (pooled OR, 1.77; 95% CI, 1.01-3.11). Varicella (pooled OR, 10.19; 95% CI, 1.98-52.39) and rubella (pooled OR, 2.79; 95% CI, 1.16-6.71) infections were also associated with higher childhood leukemia risk.ConclusionsOur findings suggest that maternal infection during pregnancy may be associated with a higher risk of childhood leukemia.
Published: 2020

40. Association of Known Melanoma Risk Factors with Primary Melanoma of the Scalp and Neck.

Author: Wood, Renee P, Wood, Renee P, Heyworth, Jane S, McCarthy, Nina S, Mauguen, Audrey, Berwick, Marianne, Thomas, Nancy E, Millward, Michael J, Anton-Culver, Hoda, Cust, Anne E, Dwyer, Terence, Gallagher, Richard P, Gruber, Stephen B, Kanetsky, Peter A, Orlow, Irene, Rosso, Stefano, Moses, Eric K, Begg, Colin B, Ward, Sarah V, Wood, Renee P, Wood, Renee P, Heyworth, Jane S, McCarthy, Nina S, Mauguen, Audrey, Berwick, Marianne, Thomas, Nancy E, Millward, Michael J, Anton-Culver, Hoda, Cust, Anne E, Dwyer, Terence, Gallagher, Richard P, Gruber, Stephen B, Kanetsky, Peter A, Orlow, Irene, Rosso, Stefano, Moses, Eric K, Begg, Colin B, and Ward, Sarah V
Abstract: BackgroundScalp and neck (SN) melanoma confers a worse prognosis than melanoma of other sites but little is known about its determinants. We aimed to identify associations between SN melanoma and known risk genes, phenotypic traits, and sun exposure patterns.MethodsParticipants were cases from the Western Australian Melanoma Health Study (n = 1,200) and the Genes, Environment, and Melanoma Study (n = 3,280). Associations between risk factors and SN melanoma, compared with truncal and arm/leg melanoma, were investigated using binomial logistic regression. Facial melanoma was also compared with the trunk and extremities, to evaluate whether associations were subregion specific, or reflective of the whole head/neck region.ResultsCompared with other sites, increased odds of SN and facial melanoma were observed in older individuals [SN: OR = 1.28, 95% confidence interval (CI) = 0.92-1.80, P trend = 0.016; Face: OR = 4.57, 95% CI = 3.34-6.35, P trend < 0.001] and those carrying IRF4-rs12203592*T (SN: OR = 1.35, 95% CI = 1.12-1.63, P trend = 0.002; Face: OR = 1.29, 95% CI = 1.10-1.50, P trend = 0.001). Decreased odds were observed for females (SN: OR = 0.49, 95% CI = 0.37-0.64, P < 0.001; Face: OR = 0.66, 95% CI = 0.53-0.82, P < 0.001) and the presence of nevi (SN: OR = 0.66, 95% CI = 0.49-0.89, P = 0.006; Face: OR = 0.65, 95% CI = 0.52-0.83, P < 0.001).ConclusionsDifferences observed between SN melanoma and other sites were also observed for facial melanoma. Factors previously associated with the broader head and neck region, notably older age, may be driven by the facial subregion. A novel finding was the association of IRF4-rs12203592 with both SN and facial melanoma.ImpactUnderstanding the epidemiology of site-specific melanoma will enable tailored strategies for risk factor reduction and site-specific screening campaigns.
Published: 2020

41. Perinatal photoperiod and childhood cancer:pooled results from 182,856 individuals in the international childhood cancer cohort consortium (I4C)

Author: Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Groß, J. Valérie, Foster, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, Erren, Thomas C., Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Groß, J. Valérie, Foster, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, and Erren, Thomas C.
Abstract: Experimental evidence suggests that perinatal light imprinting of circadian clocks and systems may affect downstream physiology and cancer risk in later life. For humans, the predominant circadian stimulus is the daily light-dark cycle. Herein, we explore associations between perinatal photoperiod characteristics (photoperiod: duration of daylight as determined by time-of-year and location) and childhood cancer risk. We use pooled data on 182,856 mothers and babies from prospective birth cohorts in six countries (Australia, Denmark, Israel, Norway, UK, USA) within the International Childhood Cancer Cohort Consortium (I4C). Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). In line with predicted differential dose–responses, restricted cubic splines indicate a potential non-linear, non-monotonic relationship between perinatal mean daily photoperiod (0–24 h) and childhood cancer risk. In a restricted analysis of 154,121 individuals who experienced third trimester photoperiods exclusively within the 8–16-h range, the relative risk of developing childhood cancer decreased by 9% with every hour increase in third trimester mean daily photoperiod [HR: 0.91 (95%CIs: 0.84–0.99)]. In conclusion, in this first study of perinatal photoperiod and childhood cancer, we detected an inverse [“protective”] linear association between third trimester mean daily photoperiod and childhood cancer risk in the 8–16-h set of the total study population. Limited statistical power impeded the investigation of risks with individuals exposed to more extreme photoperiods. Future studies are needed to confirm differential photoperiod-associated risks and further investigations into the hypothesized circadian imprinting mechanism are warranted.
Published: 2020

42. Perinatal photoperiod and childhood cancer: pooled results from 182,856 individuals in the international childhood cancer cohort consortium (I4C)

Author: Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Gross, J. Valerie, Fostere, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne-Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, Erren, Thomas C., Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Gross, J. Valerie, Fostere, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne-Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, and Erren, Thomas C.
Abstract: Experimental evidence suggests that perinatal light imprinting of circadian clocks and systems may affect downstream physiology and cancer risk in later life. For humans, the predominant circadian stimulus is the daily light-dark cycle. Herein, we explore associations between perinatal photoperiod characteristics (photoperiod: duration of daylight as determined by time-of-year and location) and childhood cancer risk. We use pooled data on 182,856 mothers and babies from prospective birth cohorts in six countries (Australia, Denmark, Israel, Norway, UK, USA) within the International Childhood Cancer Cohort Consortium (I4C). Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). In line with predicted differential dose-responses, restricted cubic splines indicate a potential non-linear, non-monotonic relationship between perinatal mean daily photoperiod (0-24 h) and childhood cancer risk. In a restricted analysis of 154,121 individuals who experienced third trimester photoperiods exclusively within the 8-16-h range, the relative risk of developing childhood cancer decreased by 9% with every hour increase in third trimester mean daily photoperiod [HR: 0.91 (95%CIs: 0.84-0.99)]. In conclusion, in this first study of perinatal photoperiod and childhood cancer, we detected an inverse [protective] linear association between third trimester mean daily photoperiod and childhood cancer risk in the 8-16-h set of the total study population. Limited statistical power impeded the investigation of risks with individuals exposed to more extreme photoperiods. Future studies are needed to confirm differential photoperiod-associated risks and further investigations into the hypothesized circadian imprinting mechanism are warranted.
Published: 2020

43. Perinatal photoperiod and childhood cancer:pooled results from 182,856 individuals in the international childhood cancer cohort consortium (I4C)

Author: Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Groß, J. Valérie, Foster, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, Erren, Thomas C., Lewis, Philip, Hellmich, Martin, Fritschi, Lin, Tikellis, Gabriella, Morfeld, Peter, Groß, J. Valérie, Foster, Russell G., Paltiel, Ora, Klebanoff, Mark A., Golding, Jean, Olsen, Sjurdur, Magnus, Per, Ponsonby, Anne Louise, Linet, Martha S., Ward, Mary H., Caporaso, Neil, Dwyer, Terence, and Erren, Thomas C.
Abstract: Experimental evidence suggests that perinatal light imprinting of circadian clocks and systems may affect downstream physiology and cancer risk in later life. For humans, the predominant circadian stimulus is the daily light-dark cycle. Herein, we explore associations between perinatal photoperiod characteristics (photoperiod: duration of daylight as determined by time-of-year and location) and childhood cancer risk. We use pooled data on 182,856 mothers and babies from prospective birth cohorts in six countries (Australia, Denmark, Israel, Norway, UK, USA) within the International Childhood Cancer Cohort Consortium (I4C). Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). In line with predicted differential dose–responses, restricted cubic splines indicate a potential non-linear, non-monotonic relationship between perinatal mean daily photoperiod (0–24 h) and childhood cancer risk. In a restricted analysis of 154,121 individuals who experienced third trimester photoperiods exclusively within the 8–16-h range, the relative risk of developing childhood cancer decreased by 9% with every hour increase in third trimester mean daily photoperiod [HR: 0.91 (95%CIs: 0.84–0.99)]. In conclusion, in this first study of perinatal photoperiod and childhood cancer, we detected an inverse [“protective”] linear association between third trimester mean daily photoperiod and childhood cancer risk in the 8–16-h set of the total study population. Limited statistical power impeded the investigation of risks with individuals exposed to more extreme photoperiods. Future studies are needed to confirm differential photoperiod-associated risks and further investigations into the hypothesized circadian imprinting mechanism are warranted.
Published: 2020

44. Residential proximity to agriculture and risk of childhood leukemia and central nervous system tumors in the Danish national birth cohort

Author: Patel, Deven M., Gyldenkærne, Steen, Jones, Rena R., Olsen, Sjurdur F., Tikellis, Gabriella, Granström, Charlotta, Dwyer, Terence, Stayner, Leslie T., Ward, Mary H., Patel, Deven M., Gyldenkærne, Steen, Jones, Rena R., Olsen, Sjurdur F., Tikellis, Gabriella, Granström, Charlotta, Dwyer, Terence, Stayner, Leslie T., and Ward, Mary H.
Abstract: Background: Living in an agricultural area or on farms has been associated with increased risk of childhood cancer but few studies have evaluated specific agricultural exposures. We prospectively examined residential proximity to crops and animals during pregnancy and risk of childhood leukemia and central nervous system (CNS) tumors in Denmark. Methods: The Danish National Birth Cohort (DNBC) consists of 91,769 pregnant women (96,841 live-born children) enrolled in 1996–2003. For 61 childhood leukemias and 59 CNS tumors <15 years of age that were diagnosed through 2014 and a ~10% random sample of the live births (N = 9394) with geocoded addresses, we linked pregnancy addresses to crop fields and animal farm locations and estimated the crop area (hectares [ha]) and number of animals (standardized by their nitrogen emissions) by type within 250 meters (m), 500 m, 1000 m, and 2000 m of the home. We also estimated pesticide applications (grams, active ingredient) based on annual sales data for nine herbicides and one fungicide that were estimated to have been applied to >30% of the area of one or more crop. We used Cox proportional hazard models (weighted to the full cohort) to estimate hazard ratios (HR) and 95% confidence intervals (CI) for the association of childhood leukemia and CNS tumors with crop area, animals, and pesticide applications adjusted for gender and maternal age. Results: Sixty-three percent of mothers had crops within 500 m of their homes during pregnancy; winter and spring cereals were the major crop types. Compared to mothers with no crops <500 m, we found increasing risk of childhood leukemia among offspring of mothers with increasing crop area near their home (highest tertile >24 ha HR: 2.0, CI:1.02–3.8), which was stronger after adjustment for animals (within 1000 m) (HR: 2.6, CI:1.02–6.8). We also observed increased risk for grass/clover (highest tertile >1.1 ha HR: 3.1, CI:1.2–7.7), peas (>0 HR: 2.4, CI: 1.02–5.4), and m
Published: 2020

45. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Kupers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Goran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergstrom, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I. A., Vrijheid, Martine, Arshad, S. Hasan, Holloway, John W., Haberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., DeMeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raikkonen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T., Anto, Josep Maria, Bousquet, Jean, Kumar, Ashish, Soderhall, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., Melen, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Kupers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Goran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergstrom, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I. A., Vrijheid, Martine, Arshad, S. Hasan, Holloway, John W., Haberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., DeMeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raikkonen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T., Anto, Josep Maria, Bousquet, Jean, Kumar, Ashish, Soderhall, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., and Melen, Erik
Published: 2020

46. Residential proximity to agriculture and risk of childhood leukemia and central nervous system tumors in the Danish national birth cohort

Author: Patel, Deven M., Gyldenkærne, Steen, Jones, Rena R., Olsen, Sjurdur F., Tikellis, Gabriella, Granström, Charlotta, Dwyer, Terence, Stayner, Leslie T., Ward, Mary H., Patel, Deven M., Gyldenkærne, Steen, Jones, Rena R., Olsen, Sjurdur F., Tikellis, Gabriella, Granström, Charlotta, Dwyer, Terence, Stayner, Leslie T., and Ward, Mary H.
Abstract: Background: Living in an agricultural area or on farms has been associated with increased risk of childhood cancer but few studies have evaluated specific agricultural exposures. We prospectively examined residential proximity to crops and animals during pregnancy and risk of childhood leukemia and central nervous system (CNS) tumors in Denmark. Methods: The Danish National Birth Cohort (DNBC) consists of 91,769 pregnant women (96,841 live-born children) enrolled in 1996–2003. For 61 childhood leukemias and 59 CNS tumors <15 years of age that were diagnosed through 2014 and a ~10% random sample of the live births (N = 9394) with geocoded addresses, we linked pregnancy addresses to crop fields and animal farm locations and estimated the crop area (hectares [ha]) and number of animals (standardized by their nitrogen emissions) by type within 250 meters (m), 500 m, 1000 m, and 2000 m of the home. We also estimated pesticide applications (grams, active ingredient) based on annual sales data for nine herbicides and one fungicide that were estimated to have been applied to >30% of the area of one or more crop. We used Cox proportional hazard models (weighted to the full cohort) to estimate hazard ratios (HR) and 95% confidence intervals (CI) for the association of childhood leukemia and CNS tumors with crop area, animals, and pesticide applications adjusted for gender and maternal age. Results: Sixty-three percent of mothers had crops within 500 m of their homes during pregnancy; winter and spring cereals were the major crop types. Compared to mothers with no crops <500 m, we found increasing risk of childhood leukemia among offspring of mothers with increasing crop area near their home (highest tertile >24 ha HR: 2.0, CI:1.02–3.8), which was stronger after adjustment for animals (within 1000 m) (HR: 2.6, CI:1.02–6.8). We also observed increased risk for grass/clover (highest tertile >1.1 ha HR: 3.1, CI:1.2–7.7), peas (>0 HR: 2.4, CI: 1.02–5.4), and m
Published: 2020

47. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Küpers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Göran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I.A., Vrijheid, Martine, Arshad, S.H., Holloway, John W., Håberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., Demeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raïkkönen, Katri, Oken, Emily, Huang, Rae Chi, Weiss, Scott T., Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Küpers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Göran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I.A., Vrijheid, Martine, Arshad, S.H., Holloway, John W., Håberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., Demeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raïkkönen, Katri, Oken, Emily, Huang, Rae Chi, Weiss, Scott T., Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., and Melén, Erik
Abstract: Background: Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods: We performed meta-analysis of Illumina's HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4-18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: Fetal brain and lung. Results: We identified 8899 CpGs in cord blood that were associated with gestational age (range 27-42 weeks), at Bonferroni significance, P < 1.06 × 10-7, of which 3343 were novel. These were annotated to 4966 genes. After restricting findings to at least three significant adjacent CpGs, we identified 1276 CpGs annotated to 325 genes. Results were generally consistent when analyses were restricted to term births. Cord blood findings tended not to persist into childhood and adolescence. Pathway analyses identified enrichment for biological processes critical to embryonic development. Follow-up of identified genes showed correlations between gestational age and DNA methylation levels in fetal brain and lung tissue, as well as correlation with expression levels. Conclusions: We identified numerous CpGs differentially methylated in relation to gestational age at birth that appear to reflect fetal developmental processes across tissues. These findings may contribute to understanding mechanisms linking gestational age to health effects.
Published: 2020

48. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Küpers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Göran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I.A., Vrijheid, Martine, Arshad, S.H., Holloway, John W., Håberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., Demeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raïkkönen, Katri, Oken, Emily, Huang, Rae Chi, Weiss, Scott T., Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., Melén, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Küpers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Göran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergström, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I.A., Vrijheid, Martine, Arshad, S.H., Holloway, John W., Håberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., Demeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raïkkönen, Katri, Oken, Emily, Huang, Rae Chi, Weiss, Scott T., Antó, Josep Maria, Bousquet, Jean, Kumar, Ashish, Söderhäll, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., and Melén, Erik
Abstract: Background Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods We performed meta-analysis of Illumina’s HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4–18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results We identified 8899 CpGs in cord blood that were associated with gestational age (range 27–42 weeks), at Bonferroni significance, P, Background Preterm birth and shorter duration of pregnancy are associated with increased morbidity in neonatal and later life. As the epigenome is known to have an important role during fetal development, we investigated associations between gestational age and blood DNA methylation in children. Methods We performed meta-analysis of Illumina’s HumanMethylation450-array associations between gestational age and cord blood DNA methylation in 3648 newborns from 17 cohorts without common pregnancy complications, induced delivery or caesarean section. We also explored associations of gestational age with DNA methylation measured at 4–18 years in additional pediatric cohorts. Follow-up analyses of DNA methylation and gene expression correlations were performed in cord blood. DNA methylation profiles were also explored in tissues relevant for gestational age health effects: fetal brain and lung. Results We identified 8899 CpGs in cord blood that were associated with gestational age (range 27–42 weeks), at Bonferroni significance, P
Published: 2020

49. Epigenome-wide meta-analysis of blood DNA methylation in newborns and children identifies numerous loci related to gestational age

Author: Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Kupers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Goran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergstrom, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I. A., Vrijheid, Martine, Arshad, S. Hasan, Holloway, John W., Haberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., DeMeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raikkonen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T., Anto, Josep Maria, Bousquet, Jean, Kumar, Ashish, Soderhall, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., Melen, Erik, Merid, Simon Kebede, Novoloaca, Alexei, Sharp, Gemma C., Kupers, Leanne K., Kho, Alvin T., Roy, Ritu, Gao, Lu, Annesi-Maesano, Isabella, Jain, Pooja, Plusquin, Michelle, Kogevinas, Manolis, Allard, Catherine, Vehmeijer, Florianne O., Kazmi, Nabila, Salas, Lucas A., Rezwan, Faisal I., Zhang, Hongmei, Sebert, Sylvain, Czamara, Darina, Rifas-Shiman, Sheryl L., Melton, Phillip E., Lawlor, Debbie A., Pershagen, Goran, Breton, Carrie V., Huen, Karen, Baiz, Nour, Gagliardi, Luigi, Nawrot, Tim S., Corpeleijn, Eva, Perron, Patrice, Duijts, Liesbeth, Nohr, Ellen Aagaard, Bustamante, Mariona, Ewart, Susan L., Karmaus, Wilfried, Zhao, Shanshan, Page, Christian M., Herceg, Zdenko, Jarvelin, Marjo-Riitta, Lahti, Jari, Baccarelli, Andrea A., Anderson, Denise, Kachroo, Priyadarshini, Relton, Caroline L., Bergstrom, Anna, Eskenazi, Brenda, Soomro, Munawar Hussain, Vineis, Paolo, Snieder, Harold, Bouchard, Luigi, Jaddoe, Vincent W., Sørensen, Thorkild I. A., Vrijheid, Martine, Arshad, S. Hasan, Holloway, John W., Haberg, Siri E., Magnus, Per, Dwyer, Terence, Binder, Elisabeth B., DeMeo, Dawn L., Vonk, Judith M., Newnham, John, Tantisira, Kelan G., Kull, Inger, Wiemels, Joseph L., Heude, Barbara, Sunyer, Jordi, Nystad, Wenche, Munthe-Kaas, Monica C., Raikkonen, Katri, Oken, Emily, Huang, Rae-Chi, Weiss, Scott T., Anto, Josep Maria, Bousquet, Jean, Kumar, Ashish, Soderhall, Cilla, Almqvist, Catarina, Cardenas, Andres, Gruzieva, Olena, Xu, Cheng-Jian, Reese, Sarah E., Kere, Juha, Brodin, Petter, Solomon, Olivia, Wielscher, Matthias, Holland, Nina, Ghantous, Akram, Hivert, Marie-France, Felix, Janine F., Koppelman, Gerard H., London, Stephanie J., and Melen, Erik
Published: 2020

50. Parental Occupational Exposure to Pesticides, Animals, and Organic Dust and Risk of Childhood Leukemia and Central Nervous System Tumors: Findings from the International Childhood Cancer Cohort Consortium (I4C)

Author: Patel, Deven M., Jones, Rena R., Booth, Benjamin J., Olsson, Ann C., Kromhout, Hans, Straif, Kurt, Vermeulen, Roel, Tikellis, Gabriella, Paltiel, Ora, Golding, Jean, Northstone, Kate, Stoltenberg, Camilla, Håberg, Siri E., Schüz, Joachim, Friesen, Melissa C., Ponsonby, Anne‐Louise, Lemeshow, Stanley, Linet, Martha S., Magnus, Per, Olsen, Jørn, Olsen, Sjurdur F., Dwyer, Terence, Stayner, Leslie T., Ward, Mary H., Patel, Deven M., Jones, Rena R., Booth, Benjamin J., Olsson, Ann C., Kromhout, Hans, Straif, Kurt, Vermeulen, Roel, Tikellis, Gabriella, Paltiel, Ora, Golding, Jean, Northstone, Kate, Stoltenberg, Camilla, Håberg, Siri E., Schüz, Joachim, Friesen, Melissa C., Ponsonby, Anne‐Louise, Lemeshow, Stanley, Linet, Martha S., Magnus, Per, Olsen, Jørn, Olsen, Sjurdur F., Dwyer, Terence, Stayner, Leslie T., and Ward, Mary H.
Abstract: Parental occupational exposures to pesticides, animals and organic dust have been associated with an increased risk of childhood cancer based mostly on case-control studies. We prospectively evaluated parental occupational exposures and risk of childhood leukemia and central nervous system (CNS) tumors in the International Childhood Cancer Cohort Consortium. We pooled data on 329,658 participants from birth cohorts in five countries (Australia, Denmark, Israel, Norway and United Kingdom). Parental occupational exposures during pregnancy were estimated by linking International Standard Classification of Occupations-1988 job codes to the ALOHA+ job exposure matrix. Risk of childhood (
Published: 2019

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