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3. Genome-wide study of DNA methylation shows alterations in metabolic, inflammatory, and cholesterol pathways in ALS

Author

Hop, P.J., Zwamborn, R.A.J., Hannon, E., Shireby, G.L., Nabais, M.F., Walker, E.M., van Rheenen, W., van Vugt, J.J.F.A., Dekker, A.M., Westeneng, H-J, Tazelaar, G.H.P., van Eijk, K.R., Moisse, M., Baird, D., Al Khleifat, A., Iacoangeli, A., Ticozzi, N., Ratti, A., Cooper-Knock, J., Morrison, K.E., Shaw, P.J., Basak, A.N., Chiò, A., Calvo, A., Moglia, C., Canosa, A., Brunetti, M., Grassano, M., Gotkine, M., Lerner, Y., Zabari, M., Vourc’h, P., Corcia, P., Couratier, P., Mora Pardina, J.S., Salas, T., Dion, P., Ross, J.P., Henderson, R.D., Mathers, S., McCombe, P.A., Needham, M., Nicholson, G., Rowe, D.B., Pamphlett, R., Mather, K.A., Sachdev, P.S., Furlong, S., Garton, F.C., Henders, A.K., Lin, T., Ngo, S.T., Steyn, F.J., Wallace, L., Williams, K.L., Neto, M.M., Cauchi, R.J., Blair, I.P., Kiernan, M.C., Drory, V., Povedano, M., de Carvalho, M., Pinto, S., Weber, M., Rouleau, G.A., Silani, V., Landers, J.E., Shaw, C.E., Andersen, P.M., McRae, A.F., van Es, M.A., Pasterkamp, R.J., Wray, N.R., McLaughlin, R.L., Hardiman, O., Kenna, K.P., Tsai, E., Runz, H., Al-Chalabi, A., van den Berg, L.H., Van Damme, P., Mill, J., Veldink, J.H., Heijmans, B.T., t Hoen, P.A.C., van Meurs, J., Jansen, R., Franke, L., Boomsma, D.I., Pool, R., van Dongen, J., Hottenga, J.J., van Greevenbroek, M.M.J., Stehouwer, C.D.A., van der Kallen, C.J.H., Schalkwijk, C.G., Wijmenga, C., Zhernakova, S., Tigchelaar, E.F., Slagboom, P.E., Beekman, M., Deelen, J., Van Heemst, D., van Duijn, C.M., Hofman, B.A., Isaacs, A., Uitterlinden, A.G., van Meurs, J.B.C., Jhamai, P.M., Verbiest, M., Suchiman, H.E.D., Verkerk, M., van der Breggen, R., van Rooij, J., Lakenberg, N., Mei, H., van Iterson, M., van Galen, M., Bot, J., Zhernakova, D.V., van ‘t Hof, P., Deelen, P., Nooren, I., Moed, M., Vermaat, M., Luijk, R., Jan Bonder, M., van Dijk, F., Arindrarto, W., Kielbasa, S.M., Swertz, M.A., van Zwet, E.W., Hoen, P.A.C., Bensimon, G., Chio, A., Smith, G.D., Hop, P.J., Zwamborn, R.A.J., Hannon, E., Shireby, G.L., Nabais, M.F., Walker, E.M., van Rheenen, W., van Vugt, J.J.F.A., Dekker, A.M., Westeneng, H-J, Tazelaar, G.H.P., van Eijk, K.R., Moisse, M., Baird, D., Al Khleifat, A., Iacoangeli, A., Ticozzi, N., Ratti, A., Cooper-Knock, J., Morrison, K.E., Shaw, P.J., Basak, A.N., Chiò, A., Calvo, A., Moglia, C., Canosa, A., Brunetti, M., Grassano, M., Gotkine, M., Lerner, Y., Zabari, M., Vourc’h, P., Corcia, P., Couratier, P., Mora Pardina, J.S., Salas, T., Dion, P., Ross, J.P., Henderson, R.D., Mathers, S., McCombe, P.A., Needham, M., Nicholson, G., Rowe, D.B., Pamphlett, R., Mather, K.A., Sachdev, P.S., Furlong, S., Garton, F.C., Henders, A.K., Lin, T., Ngo, S.T., Steyn, F.J., Wallace, L., Williams, K.L., Neto, M.M., Cauchi, R.J., Blair, I.P., Kiernan, M.C., Drory, V., Povedano, M., de Carvalho, M., Pinto, S., Weber, M., Rouleau, G.A., Silani, V., Landers, J.E., Shaw, C.E., Andersen, P.M., McRae, A.F., van Es, M.A., Pasterkamp, R.J., Wray, N.R., McLaughlin, R.L., Hardiman, O., Kenna, K.P., Tsai, E., Runz, H., Al-Chalabi, A., van den Berg, L.H., Van Damme, P., Mill, J., Veldink, J.H., Heijmans, B.T., t Hoen, P.A.C., van Meurs, J., Jansen, R., Franke, L., Boomsma, D.I., Pool, R., van Dongen, J., Hottenga, J.J., van Greevenbroek, M.M.J., Stehouwer, C.D.A., van der Kallen, C.J.H., Schalkwijk, C.G., Wijmenga, C., Zhernakova, S., Tigchelaar, E.F., Slagboom, P.E., Beekman, M., Deelen, J., Van Heemst, D., van Duijn, C.M., Hofman, B.A., Isaacs, A., Uitterlinden, A.G., van Meurs, J.B.C., Jhamai, P.M., Verbiest, M., Suchiman, H.E.D., Verkerk, M., van der Breggen, R., van Rooij, J., Lakenberg, N., Mei, H., van Iterson, M., van Galen, M., Bot, J., Zhernakova, D.V., van ‘t Hof, P., Deelen, P., Nooren, I., Moed, M., Vermaat, M., Luijk, R., Jan Bonder, M., van Dijk, F., Arindrarto, W., Kielbasa, S.M., Swertz, M.A., van Zwet, E.W., Hoen, P.A.C., Bensimon, G., Chio, A., and Smith, G.D.

Abstract

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with an estimated heritability between 40 and 50%. DNA methylation patterns can serve as proxies of (past) exposures and disease progression, as well as providing a potential mechanism that mediates genetic or environmental risk. Here, we present a blood-based epigenome-wide association study meta-analysis in 9706 samples passing stringent quality control (6763 patients, 2943 controls). We identified a total of 45 differentially methylated positions (DMPs) annotated to 42 genes, which are enriched for pathways and traits related to metabolism, cholesterol biosynthesis, and immunity. We then tested 39 DNA methylation–based proxies of putative ALS risk factors and found that high-density lipoprotein cholesterol, body mass index, white blood cell proportions, and alcohol intake were independently associated with ALS. Integration of these results with our latest genome-wide association study showed that cholesterol biosynthesis was potentially causally related to ALS. Last, DNA methylation at several DMPs and blood cell proportion estimates derived from DNA methylation data were associated with survival rate in patients, suggesting that they might represent indicators of underlying disease processes potentially amenable to therapeutic interventions.

Published
2022

4. Author Correction: Common and rare variant association analyses in amyotrophic lateral sclerosis identify 15 risk loci with distinct genetic architectures and neuron-specific biology

Author

van Rheenen, W., van der Spek, R.A.A., Bakker, M.K., van Vugt, J.J.F.A., Hop, P.J., Zwamborn, R.A.J., de Klein, N., Westra, H-J, Bakker, O.B., Deelen, P., Shireby, G., Hannon, E., Moisse, M., Baird, D., Restuadi, R., Dolzhenko, E., Dekker, A.M., Gawor, K., Westeneng, H-J, Tazelaar, G.H.P., van Eijk, K.R., Kooyman, M., Byrne, R.P., Doherty, M., Heverin, M., Al Khleifat, A., Iacoangeli, A., Shatunov, A., Ticozzi, N., Cooper-Knock, J., Smith, B.N., Gromicho, M., Chandran, S., Pal, S., Morrison, K.E., Shaw, P.J., Hardy, J., Orrell, R.W., Sendtner, M., Meyer, T., Başak, N., van der Kooi, A.J., Ratti, A., Fogh, I., Gellera, C., Lauria, G., Corti, S., Cereda, C., Sproviero, D., D’alfonso, S., Sorarù, G., Siciliano, G., Filosto, M., Padovani, A., Chiò, A., Calvo, A., Moglia, C., Brunetti, M., Canosa, A., Grassano, M., Beghi, E., Pupillo, E., Logroscino, G., Nefussy, B., Osmanovic, A., Nordin, A., Lerner, Y., Zabari, M., Gotkine, M., Baloh, R.H., Bell, S., Vourc’h, P., Corcia, P., Couratier, P., Millecamps, S., Meininger, V., Salachas, F., Mora Pardina, J.S., Assialioui, A., Rojas-García, R., Dion, P.A., Ross, J.P., Ludolph, A.C., Weishaupt, J.H., Brenner, D., Freischmidt, A., Bensimon, G., Brice, A., Durr, A., Payan, C.A.M., Saker-Delye, S., Wood, N.W., Topp, S., Rademakers, R., Tittmann, L., Lieb, W., Franke, A., Ripke, S., Braun, A., Kraft, J., Whiteman, D.C., Olsen, C.M., Uitterlinden, A.G., Hofman, A., Rietschel, M., Cichon, S., Nöthen, M.M., Amouyel, P., Comi, G., Riva, N., Lunetta, C., Gerardi, F., Cotelli, M.S., Rinaldi, F., Chiveri, L., Guaita, M.C., Perrone, P., Ceroni, M., Diamanti, L., Ferrarese, C., Tremolizzo, L., Delodovici, M.L., Bono, G., Manera, U., Vasta, R., Bombaci, A., Casale, F., Fuda, G., Salamone, P., Iazzolino, B., Peotta, L., Cugnasco, P., De Marco, G., Torrieri, M.C., Palumbo, F., Gallone, S., Barberis, M., Sbaiz, L., Gentile, S., Mauro, A., Mazzini, L., De Marchi, F., Corrado, L., D’Alfonso, S., Bertolotto, A., Gionco, M., Leotta, D., Odddenino, E., Imperiale, D., Cavallo, R., Pignatta, P., De Mattei, M., Geda, C., Papurello, D.M., Gusmaroli, G., Comi, C., Labate, C., Ruiz, L., Ferrandi, D., Rota, E., Aguggia, M., Di Vito, N., Meineri, P., Ghiglione, P., Launaro, N., Dotta, M., Di Sapio, A., Giardini, G., Tiloca, C., Peverelli, S., Taroni, F., Pensato, V., Castellotti, B., Comi, G.P., Del Bo, R., Gagliardi, S., Raggi, F., Simoncini, C., Lo Gerfo, A., Inghilleri, M., Ferlini, A., Simone, I.L., Passarella, B., Guerra, V., Zoccolella, S., Nozzoli, C., Mundi, C., Leone, M., Zarrelli, M., Tamma, F., Valluzzi, F., Calabrese, G., Boero, G., Rini, A., Traynor, B.J., Singleton, A.B., Mitne Neto, M., Cauchi, R.J., Ophoff, R.A., Wiedau-Pazos, M., Lomen-Hoerth, C., van Deerlin, V.M., Grosskreutz, J., Roediger, A., Gaur, N., Jörk, A., Barthel, T., Theele, E., Ilse, B., Stubendorff, B., Witte, O.W., Steinbach, R., Hübner, C.A., Graff, C., Brylev, L., Fominykh, V., Demeshonok, V., Ataulina, A., Rogelj, B., Koritnik, B., Zidar, J., Ravnik-Glavač, M., Glavač, D., Stević, Z., Drory, V., Povedano, M., Blair, I.P., Kiernan, M.C., Benyamin, B., Henderson, R.D., Furlong, S., Mathers, S., McCombe, P.A., Needham, M., Ngo, S.T., Nicholson, G.A., Pamphlett, R., Rowe, D.B., Steyn, F.J., Williams, K.L., Mather, K.A., Sachdev, P.S., Henders, A.K., Wallace, L., de Carvalho, M., Pinto, S., Petri, S., Weber, M., Rouleau, G.A., Silani, V., Curtis, C.J., Breen, G., Glass, J.D., Brown, R.H., Landers, J.E., Shaw, C.E., Andersen, P.M., Groen, E.J.N., van Es, M.A., Pasterkamp, R.J., Fan, D., Garton, F.C., McRae, A.F., Davey Smith, G., Gaunt, T.R., Eberle, M.A., Mill, J., McLaughlin, R.L., Hardiman, O., Kenna, K.P., Wray, N.R., Tsai, E., Runz, H., Franke, L., Al-Chalabi, A., Van Damme, P., van den Berg, L.H., Veldink, J.H., van Rheenen, W., van der Spek, R.A.A., Bakker, M.K., van Vugt, J.J.F.A., Hop, P.J., Zwamborn, R.A.J., de Klein, N., Westra, H-J, Bakker, O.B., Deelen, P., Shireby, G., Hannon, E., Moisse, M., Baird, D., Restuadi, R., Dolzhenko, E., Dekker, A.M., Gawor, K., Westeneng, H-J, Tazelaar, G.H.P., van Eijk, K.R., Kooyman, M., Byrne, R.P., Doherty, M., Heverin, M., Al Khleifat, A., Iacoangeli, A., Shatunov, A., Ticozzi, N., Cooper-Knock, J., Smith, B.N., Gromicho, M., Chandran, S., Pal, S., Morrison, K.E., Shaw, P.J., Hardy, J., Orrell, R.W., Sendtner, M., Meyer, T., Başak, N., van der Kooi, A.J., Ratti, A., Fogh, I., Gellera, C., Lauria, G., Corti, S., Cereda, C., Sproviero, D., D’alfonso, S., Sorarù, G., Siciliano, G., Filosto, M., Padovani, A., Chiò, A., Calvo, A., Moglia, C., Brunetti, M., Canosa, A., Grassano, M., Beghi, E., Pupillo, E., Logroscino, G., Nefussy, B., Osmanovic, A., Nordin, A., Lerner, Y., Zabari, M., Gotkine, M., Baloh, R.H., Bell, S., Vourc’h, P., Corcia, P., Couratier, P., Millecamps, S., Meininger, V., Salachas, F., Mora Pardina, J.S., Assialioui, A., Rojas-García, R., Dion, P.A., Ross, J.P., Ludolph, A.C., Weishaupt, J.H., Brenner, D., Freischmidt, A., Bensimon, G., Brice, A., Durr, A., Payan, C.A.M., Saker-Delye, S., Wood, N.W., Topp, S., Rademakers, R., Tittmann, L., Lieb, W., Franke, A., Ripke, S., Braun, A., Kraft, J., Whiteman, D.C., Olsen, C.M., Uitterlinden, A.G., Hofman, A., Rietschel, M., Cichon, S., Nöthen, M.M., Amouyel, P., Comi, G., Riva, N., Lunetta, C., Gerardi, F., Cotelli, M.S., Rinaldi, F., Chiveri, L., Guaita, M.C., Perrone, P., Ceroni, M., Diamanti, L., Ferrarese, C., Tremolizzo, L., Delodovici, M.L., Bono, G., Manera, U., Vasta, R., Bombaci, A., Casale, F., Fuda, G., Salamone, P., Iazzolino, B., Peotta, L., Cugnasco, P., De Marco, G., Torrieri, M.C., Palumbo, F., Gallone, S., Barberis, M., Sbaiz, L., Gentile, S., Mauro, A., Mazzini, L., De Marchi, F., Corrado, L., D’Alfonso, S., Bertolotto, A., Gionco, M., Leotta, D., Odddenino, E., Imperiale, D., Cavallo, R., Pignatta, P., De Mattei, M., Geda, C., Papurello, D.M., Gusmaroli, G., Comi, C., Labate, C., Ruiz, L., Ferrandi, D., Rota, E., Aguggia, M., Di Vito, N., Meineri, P., Ghiglione, P., Launaro, N., Dotta, M., Di Sapio, A., Giardini, G., Tiloca, C., Peverelli, S., Taroni, F., Pensato, V., Castellotti, B., Comi, G.P., Del Bo, R., Gagliardi, S., Raggi, F., Simoncini, C., Lo Gerfo, A., Inghilleri, M., Ferlini, A., Simone, I.L., Passarella, B., Guerra, V., Zoccolella, S., Nozzoli, C., Mundi, C., Leone, M., Zarrelli, M., Tamma, F., Valluzzi, F., Calabrese, G., Boero, G., Rini, A., Traynor, B.J., Singleton, A.B., Mitne Neto, M., Cauchi, R.J., Ophoff, R.A., Wiedau-Pazos, M., Lomen-Hoerth, C., van Deerlin, V.M., Grosskreutz, J., Roediger, A., Gaur, N., Jörk, A., Barthel, T., Theele, E., Ilse, B., Stubendorff, B., Witte, O.W., Steinbach, R., Hübner, C.A., Graff, C., Brylev, L., Fominykh, V., Demeshonok, V., Ataulina, A., Rogelj, B., Koritnik, B., Zidar, J., Ravnik-Glavač, M., Glavač, D., Stević, Z., Drory, V., Povedano, M., Blair, I.P., Kiernan, M.C., Benyamin, B., Henderson, R.D., Furlong, S., Mathers, S., McCombe, P.A., Needham, M., Ngo, S.T., Nicholson, G.A., Pamphlett, R., Rowe, D.B., Steyn, F.J., Williams, K.L., Mather, K.A., Sachdev, P.S., Henders, A.K., Wallace, L., de Carvalho, M., Pinto, S., Petri, S., Weber, M., Rouleau, G.A., Silani, V., Curtis, C.J., Breen, G., Glass, J.D., Brown, R.H., Landers, J.E., Shaw, C.E., Andersen, P.M., Groen, E.J.N., van Es, M.A., Pasterkamp, R.J., Fan, D., Garton, F.C., McRae, A.F., Davey Smith, G., Gaunt, T.R., Eberle, M.A., Mill, J., McLaughlin, R.L., Hardiman, O., Kenna, K.P., Wray, N.R., Tsai, E., Runz, H., Franke, L., Al-Chalabi, A., Van Damme, P., van den Berg, L.H., and Veldink, J.H.

Abstract

Correction to: Nature Genetics https://doi.org/10.1038/s41588-021-00973-1, published online 6 December 2021. In the version of this article initially published, the affiliation for Nazli Başak appeared incorrectly. Nazli Başak is at Koç University, School of Medicine, KUTTAM-NDAL, Istanbul, Turkey, and not Bogazici University. The error has been corrected in the HTML and PDF versions of the article.

Published
2022

5. Functional characterisation of the amyotrophic lateral sclerosis risk locus GPX3/TNIP1

Author

Restuadi, R., Steyn, F.J., Kabashi, E., Ngo, S.T., Cheng, F-F, Nabais, M.F., Thompson, M.J., Qi, T., Wu, Y., Henders, A.K., Wallace, L., Bye, C.R., Turner, B.J., Ziser, L., Mathers, S., McCombe, P.A., Needham, M., Schultz, D., Kiernan, M.C., van Rheenen, W., van den Berg, L.H., Veldink, J.H., Ophoff, R., Gusev, A., Zaitlen, N., McRae, A.F., Henderson, R.D., Wray, N.R., Giacomotto, J., Garton, F.C., Restuadi, R., Steyn, F.J., Kabashi, E., Ngo, S.T., Cheng, F-F, Nabais, M.F., Thompson, M.J., Qi, T., Wu, Y., Henders, A.K., Wallace, L., Bye, C.R., Turner, B.J., Ziser, L., Mathers, S., McCombe, P.A., Needham, M., Schultz, D., Kiernan, M.C., van Rheenen, W., van den Berg, L.H., Veldink, J.H., Ophoff, R., Gusev, A., Zaitlen, N., McRae, A.F., Henderson, R.D., Wray, N.R., Giacomotto, J., and Garton, F.C.

Abstract

Background Amyotrophic lateral sclerosis (ALS) is a complex, late-onset, neurodegenerative disease with a genetic contribution to disease liability. Genome-wide association studies (GWAS) have identified ten risk loci to date, including the TNIP1/GPX3 locus on chromosome five. Given association analysis data alone cannot determine the most plausible risk gene for this locus, we undertook a comprehensive suite of in silico, in vivo and in vitro studies to address this. Methods The Functional Mapping and Annotation (FUMA) pipeline and five tools (conditional and joint analysis (GCTA-COJO), Stratified Linkage Disequilibrium Score Regression (S-LDSC), Polygenic Priority Scoring (PoPS), Summary-based Mendelian Randomisation (SMR-HEIDI) and transcriptome-wide association study (TWAS) analyses) were used to perform bioinformatic integration of GWAS data (Ncases = 20,806, Ncontrols = 59,804) with ‘omics reference datasets including the blood (eQTLgen consortium N = 31,684) and brain (N = 2581). This was followed up by specific expression studies in ALS case-control cohorts (microarray Ntotal = 942, protein Ntotal = 300) and gene knockdown (KD) studies of human neuronal iPSC cells and zebrafish-morpholinos (MO). Results SMR analyses implicated both TNIP1 and GPX3 (p < 1.15 × 10−6), but there was no simple SNP/expression relationship. Integrating multiple datasets using PoPS supported GPX3 but not TNIP1. In vivo expression analyses from blood in ALS cases identified that lower GPX3 expression correlated with a more progressed disease (ALS functional rating score, p = 5.5 × 10−3, adjusted R2 = 0.042, Beffect = 27.4 ± 13.3 ng/ml/ALSFRS unit) with microarray and protein data suggesting lower expression with risk allele (recessive model p = 0.06, p = 0.02 respectively). Validation in vivo indicated gpx3 KD caused significant motor deficits in zebrafish-MO (mean difference vs. control ± 95% CI, vs. control, swim distance = 112 ± 28 mm, time = 1.29 ± 0.59 s, speed = 32.0 ± 2.53 mm

Published
2022

9. Innovating clinical trials for amyotrophic lateral sclerosis : challenging the established order

Author

van Eijk, R.P.A., Nikolakopoulos, S., Roes, K.C.B., Kendall, L., Han, S.S., Lavrov, A., Epstein, N., Kliest, T., de Jongh, A.D., Westeneng, H.-J., Al-Chalabi, A., Van Damme, P., Hardiman, O., Shaw, P.J., McDermott, C.J., Eijkemans, M.J.C., and van den Berg, L.H.

Abstract

Development of effective treatments for amyotrophic lateral sclerosis (ALS) has been hampered by disease heterogeneity, a limited understanding of underlying pathophysiology, and methodologic design challenges. We have evaluated 2 major themes in the design of pivotal, phase 3 clinical trials for ALS—(1) patient selection and (2) analytical strategy—and discussed potential solutions with the European Medicines Agency. Several design considerations were assessed using data from 5 placebo-controlled clinical trials (n = 988), 4 population-based cohorts (n = 5,100), and 2,436 placebo-allocated patients from the Pooled Resource Open-Access ALS Clinical Trials (PRO-ACT) database. The validity of each proposed design modification was confirmed by means of simulation and illustrated for a hypothetical setting. Compared to classical trial design, the proposed design modifications reduce the sample size by 30.5% and placebo exposure time by 35.4%. By making use of prognostic survival models, one creates a potential to include a larger proportion of the population and maximize generalizability. We propose a flexible design framework that naturally adapts the trial duration when inaccurate assumptions are made at the design stage, such as enrollment or survival rate. In case of futility, the follow-up time is shortened and patient exposure to ineffective treatments or placebo is minimized. For diseases such as ALS, optimizing the use of resources, widening eligibility criteria, and minimizing exposure to futile treatments and placebo is critical to the development of effective treatments. Our proposed design modifications could circumvent important pitfalls and may serve as a blueprint for future clinical trials in this population.

Published
2021

13. Randomised controlled trial comparing two different intravenous immunoglobulins in chronic inflammatory demyelinating polyradiculoneuropathy

Author

Kuitwaard, K., van den Berg, L.H., Vermeulen, M., Brusse, E., Cats, E.A., van der Kooi, A.J., Notermans, N.C., van der Pol, W.-L., van Schaik, I.N., van Nes, S.I., Hop, W.C.J., and van Doorn, P.A.

Subjects
Demyelinating diseases -- Care and treatment, Demyelinating diseases -- Patient outcomes, Demyelinating diseases -- Research, Health, Psychology and mental health
Published
2010

14. Cross-reactive probes on Illumina DNA methylation arrays: a large study on ALS shows that a cautionary approach is warranted in interpreting epigenome-wide association studies

Author

Hop, P.J., Zwamborn, R.A.J., Hannon, E.J., Dekker, A.M., van Eijk, K.R., Walker, E.M., Iacoangeli, A., Jones, A.R., Shatunov, A., Khleifat, A.A., Opie-Martin, S., Shaw, C.E., Morrison, K.E., Shaw, P.J., McLaughlin, R.L., Hardiman, O., Al-Chalabi, A., Van Den Berg, L.H., Mill, J., and Veldink, J.H.

Abstract

Illumina DNA methylation arrays are a widely used tool for performing genome-wide DNA methylation analyses. However, measurements obtained from these arrays may be affected by technical artefacts that result in spurious associations if left unchecked. Cross-reactivity represents one of the major challenges, meaning that probes may map to multiple regions in the genome. Although several studies have reported on this issue, few studies have empirically examined the impact of cross-reactivity in an epigenome-wide association study (EWAS). In this paper, we report on cross-reactivity issues that we discovered in a large EWAS on the presence of the C9orf72 repeat expansion in ALS patients. Specifically, we found that that the majority of the significant probes inadvertently cross-hybridized to the C9orf72 locus. Importantly, these probes were not flagged as cross-reactive in previous studies, leading to novel insights into the extent to which cross-reactivity can impact EWAS. Our findings are particularly relevant for epigenetic studies into diseases associated with repeat expansions and other types of structural variation. More generally however, considering that most spurious associations were not excluded based on pre-defined sets of cross-reactive probes, we believe that the presented data-driven flag and consider approach is relevant for any type of EWAS.

Published
2020

15. Meta-analysis of genome-wide DNA methylation identifies shared associations across neurodegenerative disorders

Author

Nabais, M.F., Laws, S.M., Lin, T., Vallerga, C.L., Armstrong, N.J., Blair, I.P., Kwok, J.B., Mather, K.A., Mellick, G.D., Sachdev, P.S., Wallace, L., Henders, A.K., Zwamborn, R.A.J., Hop, P.J., Lunnon, K., Pishva, E., Roubroeks, J.A.Y., Soininen, H., Tsolaki, M., Mecocci, P., Lovestone, S., Kłoszewska, I., Vellas, B., Furlong, S., Garton, F.C., Henderson, R.D., Mathers, S., McCombe, P.A., Needham, M., Ngo, S.T., Nicholson, G., Pamphlett, R., Rowe, D.B., Steyn, F.J., Williams, K.L., Anderson, T.J., Bentley, S.R., Dalrymple-Alford, J., Fowder, J., Gratten, J., Halliday, G., Hickie, I.B., Kennedy, M., Lewis, S.J.G., Montgomery, G.W., Pearson, J., Pitcher, T.L., Silburn, P., Zhang, F., Visscher, P.M., Yang, J., Stevenson, A.J., Hillary, R.F., Marioni, R.E., Harris, S.E., Deary, I.J., Jones, A.R., Shatunov, A., Iacoangeli, A., van Rheenen, W., van den Berg, L.H., Shaw, P.J., Shaw, C.E., Morrison, K.E., Al-Chalabi, A., Veldink, J.H., Hannon, E., Mill, J., Wray, N.R., McRae, A.F., Nabais, M.F., Laws, S.M., Lin, T., Vallerga, C.L., Armstrong, N.J., Blair, I.P., Kwok, J.B., Mather, K.A., Mellick, G.D., Sachdev, P.S., Wallace, L., Henders, A.K., Zwamborn, R.A.J., Hop, P.J., Lunnon, K., Pishva, E., Roubroeks, J.A.Y., Soininen, H., Tsolaki, M., Mecocci, P., Lovestone, S., Kłoszewska, I., Vellas, B., Furlong, S., Garton, F.C., Henderson, R.D., Mathers, S., McCombe, P.A., Needham, M., Ngo, S.T., Nicholson, G., Pamphlett, R., Rowe, D.B., Steyn, F.J., Williams, K.L., Anderson, T.J., Bentley, S.R., Dalrymple-Alford, J., Fowder, J., Gratten, J., Halliday, G., Hickie, I.B., Kennedy, M., Lewis, S.J.G., Montgomery, G.W., Pearson, J., Pitcher, T.L., Silburn, P., Zhang, F., Visscher, P.M., Yang, J., Stevenson, A.J., Hillary, R.F., Marioni, R.E., Harris, S.E., Deary, I.J., Jones, A.R., Shatunov, A., Iacoangeli, A., van Rheenen, W., van den Berg, L.H., Shaw, P.J., Shaw, C.E., Morrison, K.E., Al-Chalabi, A., Veldink, J.H., Hannon, E., Mill, J., Wray, N.R., and McRae, A.F.

Abstract

Background People with neurodegenerative disorders show diverse clinical syndromes, genetic heterogeneity, and distinct brain pathological changes, but studies report overlap between these features. DNA methylation (DNAm) provides a way to explore this overlap and heterogeneity as it is determined by the combined effects of genetic variation and the environment. In this study, we aim to identify shared blood DNAm differences between controls and people with Alzheimer’s disease, amyotrophic lateral sclerosis, and Parkinson’s disease. Results We use a mixed-linear model method (MOMENT) that accounts for the effect of (un)known confounders, to test for the association of each DNAm site with each disorder. While only three probes are found to be genome-wide significant in each MOMENT association analysis of amyotrophic lateral sclerosis and Parkinson’s disease (and none with Alzheimer’s disease), a fixed-effects meta-analysis of the three disorders results in 12 genome-wide significant differentially methylated positions. Predicted immune cell-type proportions are disrupted across all neurodegenerative disorders. Protein inflammatory markers are correlated with profile sum-scores derived from disease-associated immune cell-type proportions in a healthy aging cohort. In contrast, they are not correlated with MOMENT DNAm-derived profile sum-scores, calculated using effect sizes of the 12 differentially methylated positions as weights. Conclusions We identify shared differentially methylated positions in whole blood between neurodegenerative disorders that point to shared pathogenic mechanisms. These shared differentially methylated positions may reflect causes or consequences of disease, but they are unlikely to reflect cell-type proportion differences.

Published
2021

16. Common and rare variant association analyses in amyotrophic lateral sclerosis identify 15 risk loci with distinct genetic architectures and neuron-specific biology

Author

van Rheenen, W., van der Spek, R.A.A., Bakker, M.K., van Vugt, J.J.F.A., Hop, P.J., Zwamborn, R.A.J., de Klein, N., Westra, H-J, Bakker, O.B., Deelen, P., Shireby, G., Hannon, E., Moisse, M., Baird, D., Restuadi, R., Dolzhenko, E., Dekker, A.M., Gawor, K., Westeneng, H-J, Tazelaar, G.H.P., van Eijk, K.R., Kooyman, M., Byrne, R.P., Doherty, M., Heverin, M., Al Khleifat, A., Iacoangeli, A., Shatunov, A., Ticozzi, N., Cooper-Knock, J., Smith, B.N., Gromicho, M., Chandran, S., Pal, S., Morrison, K.E., Shaw, P.J., Hardy, J., Orrell, R.W., Sendtner, M., Meyer, T., Başak, N., van der Kooi, A.J., Ratti, A., Fogh, I., Gellera, C., Lauria, G., Corti, S., Cereda, C., Sproviero, D., D’alfonso, S., Sorarù, G., Siciliano, G., Filosto, M., Padovani, A., Chio, A., Calvo, A., Moglia, C., Brunetti, M., Canosa, A., Grassano, M., Beghi, E., Pupillo, E., Logroscino, G., Nefussy, B., Osmanovic, A., Nordin, A., Lerner, Y., Zabari, M., Gotkine, M., Baloh, R.H., Bell, S., Vourc’h, P., Corcia, P., Couratier, P., Millecamps, S., Meininger, V., Salachas, F., Mora Pardina, J.S., Assialioui, A., Rojas-García, R., Dion, P.A., Ross, J.P., Ludolph, A.C., Weishaupt, J.H., Brenner, D., Freischmidt, A., Bensimon, G., Brice, A., Durr, A., Payan, C.A.M., Saker-Delye, S., Wood, N.W., Topp, S., Rademakers, R., Tittmann, L., Lieb, W., Franke, A., Ripke, S., Braun, A., Kraft, J., Whiteman, D.C., Olsen, C.M., Uitterlinden, A.G., Hofman, A., Rietschel, M., Cichon, S., Nöthen, M.M., Amouyel, P., Comi, G., Riva, N., Lunetta, C., Gerardi, F., Cotelli, M.S., Rinaldi, F., Chiveri, L., Guaita, M.C., Perrone, P., Ceroni, M., Diamanti, L., Ferrarese, C., Tremolizzo, L., Delodovici, M.L., Bono, G., Manera, U., Vasta, R., Bombaci, A., Casale, F., Fuda, G., Salamone, P., Iazzolino, B., Peotta, L., Cugnasco, P., De Marco, G., Torrieri, M.C., Palumbo, F., Gallone, S., Barberis, M., Sbaiz, L., Gentile, S., Mauro, A., Mazzini, L., De Marchi, F., Corrado, L., D’Alfonso, S., Bertolotto, A., Gionco, M., Leotta, D., Odddenino, E., Imperiale, D., Cavallo, R., Pignatta, P., De Mattei, M., Geda, C., Papurello, D.M., Gusmaroli, G., Comi, C., Labate, C., Ruiz, L., Ferrandi, D., Rota, E., Aguggia, M., Di Vito, N., Meineri, P., Ghiglione, P., Launaro, N., Dotta, M., di Sapio, A., Giardini, G., Tiloca, C., Peverelli, S., Taroni, F., Pensato, V., Castellotti, B., Comi, G.P., Del Bo, R., Gagliardi, S., Raggi, F., Simoncini, C., Lo Gerfo, A., Inghilleri, M., Ferlini, A., Simone, I.L., Passarella, B., Guerra, V., Zoccolella, S., Nozzoli, C., Mundi, C., Leone, M., Zarrelli, M., Tamma, F., Valluzzi, F., Calabrese, G., Boero, G., Rini, A., Traynor, B.J., Singleton, A.B., Mitne Neto, M., Cauchi, R.J., Ophoff, R.A., Wiedau-Pazos, M., Lomen-Hoerth, C., van Deerlin, V.M., Grosskreutz, J., Roediger, A., Gaur, N., Jörk, A., Barthel, T., Theele, E., Ilse, B., Stubendorff, B., Witte, O.W., Steinbach, R., Hübner, C.A., Graff, C., Brylev, L., Fominykh, V., Demeshonok, V., Ataulina, A., Rogelj, B., Koritnik, B., Zidar, J., Ravnik-Glavač, M., Glavač, D., Stević, Z., Drory, V., Povedano, M., Blair, I.P., Kiernan, M.C., Benyamin, B., Henderson, R.D., Furlong, S., Mathers, S., McCombe, P.A., Needham, M., Ngo, S.T., Nicholson, G.A., Pamphlett, R., Rowe, D.B., Steyn, F.J., Williams, K.L., Mather, K.A., Sachdev, P.S., Henders, A.K., Wallace, L., de Carvalho, M., Pinto, S., Petri, S., Weber, M., Rouleau, G.A., Silani, V., Curtis, C.J., Breen, G., Glass, J.D., Brown, R.H., Landers, J.E., Shaw, C.E., Andersen, P.M., Groen, E.J.N., van Es, M.A., Pasterkamp, R.J., Fan, D., Garton, F.C., McRae, A.F., Davey Smith, G., Gaunt, T.R., Eberle, M.A., Mill, J., McLaughlin, R.L., Hardiman, O., Kenna, K.P., Wray, N.R., Tsai, E., Runz, H., Franke, L., Al-Chalabi, A., Van Damme, P., van den Berg, L.H., Veldink, J.H., van Rheenen, W., van der Spek, R.A.A., Bakker, M.K., van Vugt, J.J.F.A., Hop, P.J., Zwamborn, R.A.J., de Klein, N., Westra, H-J, Bakker, O.B., Deelen, P., Shireby, G., Hannon, E., Moisse, M., Baird, D., Restuadi, R., Dolzhenko, E., Dekker, A.M., Gawor, K., Westeneng, H-J, Tazelaar, G.H.P., van Eijk, K.R., Kooyman, M., Byrne, R.P., Doherty, M., Heverin, M., Al Khleifat, A., Iacoangeli, A., Shatunov, A., Ticozzi, N., Cooper-Knock, J., Smith, B.N., Gromicho, M., Chandran, S., Pal, S., Morrison, K.E., Shaw, P.J., Hardy, J., Orrell, R.W., Sendtner, M., Meyer, T., Başak, N., van der Kooi, A.J., Ratti, A., Fogh, I., Gellera, C., Lauria, G., Corti, S., Cereda, C., Sproviero, D., D’alfonso, S., Sorarù, G., Siciliano, G., Filosto, M., Padovani, A., Chio, A., Calvo, A., Moglia, C., Brunetti, M., Canosa, A., Grassano, M., Beghi, E., Pupillo, E., Logroscino, G., Nefussy, B., Osmanovic, A., Nordin, A., Lerner, Y., Zabari, M., Gotkine, M., Baloh, R.H., Bell, S., Vourc’h, P., Corcia, P., Couratier, P., Millecamps, S., Meininger, V., Salachas, F., Mora Pardina, J.S., Assialioui, A., Rojas-García, R., Dion, P.A., Ross, J.P., Ludolph, A.C., Weishaupt, J.H., Brenner, D., Freischmidt, A., Bensimon, G., Brice, A., Durr, A., Payan, C.A.M., Saker-Delye, S., Wood, N.W., Topp, S., Rademakers, R., Tittmann, L., Lieb, W., Franke, A., Ripke, S., Braun, A., Kraft, J., Whiteman, D.C., Olsen, C.M., Uitterlinden, A.G., Hofman, A., Rietschel, M., Cichon, S., Nöthen, M.M., Amouyel, P., Comi, G., Riva, N., Lunetta, C., Gerardi, F., Cotelli, M.S., Rinaldi, F., Chiveri, L., Guaita, M.C., Perrone, P., Ceroni, M., Diamanti, L., Ferrarese, C., Tremolizzo, L., Delodovici, M.L., Bono, G., Manera, U., Vasta, R., Bombaci, A., Casale, F., Fuda, G., Salamone, P., Iazzolino, B., Peotta, L., Cugnasco, P., De Marco, G., Torrieri, M.C., Palumbo, F., Gallone, S., Barberis, M., Sbaiz, L., Gentile, S., Mauro, A., Mazzini, L., De Marchi, F., Corrado, L., D’Alfonso, S., Bertolotto, A., Gionco, M., Leotta, D., Odddenino, E., Imperiale, D., Cavallo, R., Pignatta, P., De Mattei, M., Geda, C., Papurello, D.M., Gusmaroli, G., Comi, C., Labate, C., Ruiz, L., Ferrandi, D., Rota, E., Aguggia, M., Di Vito, N., Meineri, P., Ghiglione, P., Launaro, N., Dotta, M., di Sapio, A., Giardini, G., Tiloca, C., Peverelli, S., Taroni, F., Pensato, V., Castellotti, B., Comi, G.P., Del Bo, R., Gagliardi, S., Raggi, F., Simoncini, C., Lo Gerfo, A., Inghilleri, M., Ferlini, A., Simone, I.L., Passarella, B., Guerra, V., Zoccolella, S., Nozzoli, C., Mundi, C., Leone, M., Zarrelli, M., Tamma, F., Valluzzi, F., Calabrese, G., Boero, G., Rini, A., Traynor, B.J., Singleton, A.B., Mitne Neto, M., Cauchi, R.J., Ophoff, R.A., Wiedau-Pazos, M., Lomen-Hoerth, C., van Deerlin, V.M., Grosskreutz, J., Roediger, A., Gaur, N., Jörk, A., Barthel, T., Theele, E., Ilse, B., Stubendorff, B., Witte, O.W., Steinbach, R., Hübner, C.A., Graff, C., Brylev, L., Fominykh, V., Demeshonok, V., Ataulina, A., Rogelj, B., Koritnik, B., Zidar, J., Ravnik-Glavač, M., Glavač, D., Stević, Z., Drory, V., Povedano, M., Blair, I.P., Kiernan, M.C., Benyamin, B., Henderson, R.D., Furlong, S., Mathers, S., McCombe, P.A., Needham, M., Ngo, S.T., Nicholson, G.A., Pamphlett, R., Rowe, D.B., Steyn, F.J., Williams, K.L., Mather, K.A., Sachdev, P.S., Henders, A.K., Wallace, L., de Carvalho, M., Pinto, S., Petri, S., Weber, M., Rouleau, G.A., Silani, V., Curtis, C.J., Breen, G., Glass, J.D., Brown, R.H., Landers, J.E., Shaw, C.E., Andersen, P.M., Groen, E.J.N., van Es, M.A., Pasterkamp, R.J., Fan, D., Garton, F.C., McRae, A.F., Davey Smith, G., Gaunt, T.R., Eberle, M.A., Mill, J., McLaughlin, R.L., Hardiman, O., Kenna, K.P., Wray, N.R., Tsai, E., Runz, H., Franke, L., Al-Chalabi, A., Van Damme, P., van den Berg, L.H., and Veldink, J.H.

Abstract

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with a lifetime risk of one in 350 people and an unmet need for disease-modifying therapies. We conducted a cross-ancestry genome-wide association study (GWAS) including 29,612 patients with ALS and 122,656 controls, which identified 15 risk loci. When combined with 8,953 individuals with whole-genome sequencing (6,538 patients, 2,415 controls) and a large cortex-derived expression quantitative trait locus (eQTL) dataset (MetaBrain), analyses revealed locus-specific genetic architectures in which we prioritized genes either through rare variants, short tandem repeats or regulatory effects. ALS-associated risk loci were shared with multiple traits within the neurodegenerative spectrum but with distinct enrichment patterns across brain regions and cell types. Of the environmental and lifestyle risk factors obtained from the literature, Mendelian randomization analyses indicated a causal role for high cholesterol levels. The combination of all ALS-associated signals reveals a role for perturbations in vesicle-mediated transport and autophagy and provides evidence for cell-autonomous disease initiation in glutamatergic neurons.

Published
2021

17. Axon loss is an important determinant of weakness in multifocal motor neuropathy

Author

Van Asseldonk, J.T.H., Van den Berg, L.H., Kalmijn, S., Van den Berg-Vos, R.M., Polman, C.H., Wokke, J.H.J., and Franssen, H.

Subjects
Peripheral nerve diseases -- Development and progression, Peripheral nerve diseases -- Research, Muscle weakness -- Causes of, Muscle weakness -- Research, Nervous system -- Degeneration, Nervous system -- Research, Health, Psychology and mental health
Published
2006

22. Meta-analysis of vascular endothelial growth factor variations in amyotrophic lateral sclerosis: increased susceptibility in male carriers of the -2578AA genotype

Author

Lambrechts, D., Poesen, K., Fernandez-Santiago, R., Al-Chalabi, A., Del Bo, R., Van Vught, P.W.J., Khan, S., Marklund, S.L., Brockington, A., van Marion, I., Anneser, J., Shaw, C., Ludolph, A.C., Leigh, N. P., Comi, G.P., Gasser, T., Shaw, P.J., Morrison, K.E., Andersen, P.M., Van den, Berg, L.H., Thijs, V., Siddique, T., Robberecht, W., and Carmeliet, P.

Subjects
Vascular endothelial growth factor -- Analysis, Amyotrophic lateral sclerosis -- Research, Amyotrophic lateral sclerosis -- Genetic aspects, Disease susceptibility -- Research, Genotype -- Research, Health
Published
2009

24. NEK1 variants confer susceptibility to amyotrophic lateral sclerosis

Author

Kenna, K.P., van Doormaal, P.T.C., Dekker, A.M., Ticozzi, N., Kenna, B.J., Diekstra, F.P., van Rheenen, W., van Eijk, K.R., Jones, A.R., Keagle, P., Shatunov, A., Sproviero, W., Smith, B.N., van Es, M.A., Topp, S.D., Kenna, A., Miller, J.W., Fallini, C., Tiloca, C., McLaughlin, R.L., Vance, C., Troakes, C., Colombrita, C., Mora, G., Calvo, A., Verde, F., Al-Sarraj, S., King, A., Calini, D., de Belleroche, J., Baas, F., van der Kooi, A.J., de Visser, M., ten Asbroek, A.L.M.A., Sapp, P.C., McKenna-Yasek, D., Polak, M., Asress, S., Muñoz-Blanco, J.L., Strom, T.M., Meitinger, T., Morrison, K.E., D'Alfonso, S., Mazzini, L., Comi, G.P., Del Bo, R., Ceroni, M., Gagliardi, S., Querin, G., Bertolin, C., Pensato, V., Castellotti, B., Corti, S., Cereda, C., Corrado, L., Sorarù, G., Lauria, G., Williams, K.L., Leigh, P.N., Nicholson, G.A., Blair, I.P., Leblond, C.S., Dion, P.A., Rouleau, G.A., Pall, H., Shaw, P.J., Turner, M.R., Talbot, K., Taroni, F., Boylan, K.B., Van Blitterswijk, M., Rademakers, R., Esteban-Pérez, J., García-Redondo, A., Van Damme, P., Robberecht, W., Chio, A., Gellera, C., Drepper, C., Sendtner, M., Ratti, A., Glass, J.D., Mora, J.S., Basak, N.A., Hardiman, O., Ludolph, A.C., Andersen, P.M., Weishaupt, J.H., Brown, R.H., Al-Chalabi, A., Silani, V., Shaw, C.E., van den Berg, L.H., Veldink, J.H., Landers, J.E., Medical Research Council (MRC), Human Genetics, Neurology, ANS - Neurodegeneration, and SLAGEN Consortium

Subjects
0301 basic medicine, medicine.medical_specialty, Genomics, Biology, medicine.disease_cause, Article, Cohort Studies, 03 medical and health sciences, 0302 clinical medicine, Journal Article, Genetics, medicine, Humans, Comparative Study, Exome, Genetic Predisposition to Disease, SLAGEN Consortium, Risk factor, Amyotrophic lateral sclerosis, Gene, Genetic Association Studies, Netherlands, Mutation, Amyotrophic Lateral Sclerosis, Case-control study, 11 Medical And Health Sciences, 06 Biological Sciences, medicine.disease, 3. Good health, NIMA-Related Kinase 1, 030104 developmental biology, RC0346, Case-Control Studies, Medical genetics, Human medicine, 030217 neurology & neurosurgery, Developmental Biology
Abstract

To identify genetic factors contributing to amyotrophic lateral sclerosis (ALS), we conducted whole-exome analyses of 1,022 index familial ALS (FALS) cases and 7,315 controls. In a new screening strategy, we performed gene-burden analyses trained with established ALS genes and identified a significant association between loss-of-function (LOF) NEK1 variants and FALS risk. Independently, autozygosity mapping for an isolated community in the Netherlands identified a NEK1 p.Arg261His variant as a candidate risk factor. Replication analyses of sporadic ALS (SALS) cases and independent control cohorts confirmed significant disease association for both p.Arg261His (10,589 samples analyzed) and NEK1 LOF variants (3,362 samples analyzed). In total, we observed NEK1 risk variants in nearly 3% of ALS cases. NEK1 has been linked to several cellular functions, including cilia formation, DNA-damage response, microtubule stability, neuronal morphology and axonal polarity. Our results provide new and important insights into ALS etiopathogenesis and genetic etiology. ispartof: Nature Genetics vol:48 issue:9 pages:1037-+ ispartof: location:United States status: published

Published
2016
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28. WGS-based telomere length analysis in Dutch family trios implicates stronger maternal inheritance and a role for RRM1 gene

Author

Nersisyan, Lilit, Nikoghosyan, Maria, Arakelyan, Arsen, Francioli, Laurent, Menelaou, A. (Androniki), Pulit, S.L. (Sara L.), Elbers, C.C. (Clara C.), Kloosterman, Wigard, van Setten, J. (Jessica), Nijman, Isaac, Renkens, Ivo, de Bakker, P.I.W. (Paul I. W.), Dijk, Freerk, Neerincx, Pieter, Deelen, Patrick, Kanterakis, Alexandros, Dijkstra, Martijn, Byelas, H. (Heorhiy), van der Velde, K.J. (K. Joeri), Platteel, Mathieu, Swertz, M.A. (Morris A.), Wijmenga, Cisca, Palamara, P.F. (Pier Francesco), Pe’er, I. (Itsik), Ye, K. (Kai), Lameijer, Eric-Wubbo, Moed, M.H. (Matthijs H.), Beekman, M. (Marian), Craen, Anton, Suchiman, H.E.D. (H. Eka D.), Slagboom, Eline, Guryev, Victor, Abdellaoui, Abdel, Jan Hottenga, J. (Jouke), Kattenberg, M. (Mathijs), Willemsen, Gonneke, Boomsma, Dorret, van Leeuwen, E.M. (Elisabeth M.), Karssen, Lennart, Amin, N. (Najaf), Rivadeneira, F. (Fernando), Isaacs, A. (Aaron), Hofman, A. (Albert), Uitterlinden, André, Duijn, Cornelia, van Oven, M. (Mannis), Kayser, M. (Manfred), Vermaat, Martijn, Laros, Jeroen, Dunnen, Johan, Enckevort, David, Mei, Hailiang, Li, M. (Mingkun), Stoneking, M. (Mark), Schaik, Barbera, Bot, Jan, Marschall, Tobias, Schönhuth, Alexander, Hehir-Kwa, Jayne, Handsaker, Robert, Polak, P. (Paz), Sohail, M. (Mashaal), Vuzman, D. (Dana), Estrada, Karol, McCarroll, S.A. (Steven A.), Sunyaev, S.R. (Shamil R.), Hormozdiari, Fereydoun, Koval, Vyacheslav, Medina-Gomez, C. (Carolina), Oostra, B. (Ben), Veldink, Jan, van den Berg, L.H. (Leonard H.), Pitts, S.J. (Steven J.), Potluri, S. (Shobha), Sundar, P. (Purnima), Cox, D.R. (David R.), Knijff, Peter, Li, Q. (Qibin), Li, Y. (Yingrui), Du, Yuanping, Chen, Ruoyan, Cao, H. (Hongzhi), Wang, J. (Jun), Li, N. (Ning), Cao, S. (Sujie), Bovenberg, Jasper, Ommen, Gert-Jan, The Genome of the Netherlands Consortium, Biological Psychology, APH - Health Behaviors & Chronic Diseases, APH - Personalized Medicine, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, APH - Mental Health, APH - Methodology, Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Department of Health and Life Sciences, Groningen Research Institute for Asthma and COPD (GRIAC), Stem Cell Aging Leukemia and Lymphoma (SALL), Experimental Immunology, CCA - Cancer biology and immunology, Epidemiology and Data Science, Amsterdam Gastroenterology Endocrinology Metabolism, Epidemiology, Internal Medicine, Genetic Identification, Clinical Genetics, and Genome of the Netherlands Consortium

Subjects
Male, Telomere Homeostasis/genetics, Netherlands Twin Register (NTR), Non-Mendelian inheritance, lcsh:Medicine, Datasets as Topic, Ribonucleoside Diphosphate Reductase/genetics, Genome of the Netherlands consortium, Genome informatics, Genome, 0302 clinical medicine, Models, 80 and over, Inheritance Patterns, lcsh:Science, Child, Netherlands, Genetics, Aged, 80 and over, 0303 health sciences, Multidisciplinary, Age Factors, Functional genomics, Single Nucleotide, ASSOCIATION, Telomere, Middle Aged, 030220 oncology & carcinogenesis, Trait, Female, Maternal Inheritance, Biotechnology, Maternal Age, Adult, Ribonucleoside Diphosphate Reductase, Adolescent, Offspring, PROTEINS, Quantitative trait locus, Biology, Polymorphism, Single Nucleotide, Article, Paternal Age, 03 medical and health sciences, Young Adult, Sex Factors, LUNG-CANCER, Genetic, Humans, Polymorphism, Telomere/metabolism, General, Gene, METAANALYSIS, 030304 developmental biology, Aged, Whole genome sequencing, Models, Genetic, Whole Genome Sequencing, Human Genome, lcsh:R, Telomere Homeostasis, SIZE, SUBUNIT, CELLS, Linear Models, lcsh:Q, Genome-Wide Association Study
Abstract

Telomere length (TL) regulation is an important factor in ageing, reproduction and cancer development. Genetic, hereditary and environmental factors regulating TL are currently widely investigated, however, their relative contribution to TL variability is still understudied. We have used whole genome sequencing data of 250 family trios from the Genome of the Netherlands project to perform computational measurement of TL and a series of regression and genome-wide association analyses to reveal TL inheritance patterns and associated genetic factors. Our results confirm that TL is a largely heritable trait, primarily with mother’s, and, to a lesser extent, with father’s TL having the strongest influence on the offspring. In this cohort, mother’s, but not father’s age at conception was positively linked to offspring TL. Age-related TL attrition of 40 bp/year had relatively small influence on TL variability. Finally, we have identified TL-associated variations in ribonuclease reductase catalytic subunit M1 (RRM1 gene), which is known to regulate telomere maintenance in yeast. We also highlight the importance of multivariate approach and the limitations of existing tools for the analysis of TL as a polygenic heritable quantitative trait.

Published
2019
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29. Reconsidering the causality of TIA1 mutations in ALS

Author

Van Der Spek, R.A., Van Rheenen, W., Pulit, S.L., Kenna, K.P., Ticozzi, N., Kooyman, M., Mclaughlin, R.L., Moisse, M., Van Eijk, K.R., Van Vugt, J.J.F.A., Lacoangeli, A., Andersen, P., Basak, A.N., Blair, I., De Carvalho, M., Chio, A., Corcia, P., Couratier, P., Drory, V.E., Glass, J.D., Hardiman, O., Mora, J.S., Morrison, K.E., Mitne-Neto, M., Robberecht, W., Shaw, P.J., Panades, M.P., Van Damme, P., Silani, V., Gotkine, M., Weber, M., Van Es, M.A., Landers, J.E., Al-Chalabi, A., Van Den Berg, L.H., Veldink, J.H., and CONSOR, PMALSS

Published
2018

30. Project MinE: study design and pilot analyses of a large-scale whole-genome sequencing study in amyotrophic lateral sclerosis

Author

Project, M.A.S.C., van Rheenen, W., Pulit, S.L., Dekker, A.M., Al Khleifat, A., Brands, W.J., Iacoangeli, A., Kenna, K.P., Kavak, E., Kooyman, M., McLaughlin, R.L., Middelkoop, B., Moisse, M., Schellevis, R.D., Shatunov, A., Sproviero, W., Tazelaar, G.H.P., van der Spek, R.A.A., van Doormaal, P.T.C., van Eijk, K.R., van Vugt, J., Basak, A.N., Blair, I.P., Glass, J.D., Hardiman, O., Hide, W., Landers, J.E., Mora, J.S., Morrison, K.E., Newhouse, S., Robberecht, W., Shaw, C.E., Shaw, P.J., van Damme, P., van Es, M.A., Wray, N.R., Al-Chalabi, A., van Den Berg, L.H., and Veldink, J.H.

Abstract

The most recent genome-wide association study in amyotrophic lateral sclerosis (ALS) demonstrates a disproportionate contribution from low-frequency variants to genetic susceptibility to disease. We have therefore begun Project MinE, an international collaboration that seeks to analyze whole-genome sequence data of at least 15 000 ALS patients and 7500 controls. Here, we report on the design of Project MinE and pilot analyses of successfully sequenced 1169 ALS patients and 608 controls drawn from the Netherlands. As has become characteristic of sequencing studies, we find an abundance of rare genetic variation (minor allele frequency < 0.1%), the vast majority of which is absent in public datasets. Principal component analysis reveals local geographical clustering of these variants within The Netherlands. We use the whole-genome sequence data to explore the implications of poor geographical matching of cases and controls in a sequence-based disease study and to investigate how ancestry-matched, externally sequenced controls can induce false positive associations. Also, we have publicly released genome-wide minor allele counts in cases and controls, as well as results from genic burden tests.

Published
2018

31. Association of NIPA1 repeat expansions with amyotrophic lateral sclerosis in a large international cohort

Author

Tazelaar, G.H.P., Dekker, A.M., van Vugt, J.J.F.A., van der Spek, R.A., Westeneng, H.-J., Kool, L.J.B.G., Kenna, K.P., van Rheenen, W., Pulit, S.L., McLaughlin, R.L., Sproviero, W., Iacoangeli, A., Hübers, A., Brenner, D., Morrison, K.E., Shaw, P.J., Shaw, C.E., Panadés, M.P., Mora Pardina, J.S., Glass, J.D., Hardiman, O., Al-Chalabi, A., van Damme, P., Robberecht, W., Landers, J.E., Ludolph, A.C., Weishaupt, J.H., van den Berg, L.H., Veldink, J.H., van Es, M.A., and Project MinE ALS Sequencing Consortium, .

Subjects
Male, Internationality, Neuroscience(all), Research Support, Non-U.S. Gov't, NIPA1, Clinical Neurology, Amyotrophic Lateral Sclerosis/genetics, Repeat expansion, Amyotrophic lateral sclerosis, Cohort Studies, DNA Repeat Expansion/genetics, Ageing, Logistic Models, Meta-Analysis as Topic, Journal Article, Humans, Female, Membrane Proteins/genetics, Geriatrics and Gerontology, Peptides/genetics, Genetic Association Studies, Developmental Biology
Abstract

NIPA1 (nonimprinted in Prader-Willi/Angelman syndrome 1) mutations are known to cause hereditary spastic paraplegia type 6, a neurodegenerative disease that phenotypically overlaps to some extent with amyotrophic lateral sclerosis (ALS). Previously, a genomewide screen for copy number variants found an association with rare deletions in NIPA1 and ALS, and subsequent genetic analyses revealed that long (or expanded) polyalanine repeats in NIPA1 convey increased ALS susceptibility. We set out to perform a large-scale replication study to further investigate the role of NIPA1 polyalanine expansions with ALS, in which we characterized NIPA1 repeat size in an independent international cohort of 3955 patients with ALS and 2276 unaffected controls and combined our results with previous reports. Meta-analysis on a total of 6245 patients with ALS and 5051 controls showed an overall increased risk of ALS in those with expanded (>8) GCG repeat length (odds ratio = 1.50, p = 3.8×10-5). Together with previous reports, these findings provide evidence for an association of an expanded polyalanine repeat in NIPA1 and ALS.

Published
2018

32. CHCHD10 variants in amyotrophic lateral sclerosis: where Is the evidence?

Author

Consortium, P.M.A.L.S.S., Veldink, J.H., Shaw, P.J., Tazelaar, G.H.P., van Rheenen, W., Pulit, S.L., van der Spek, R., Dekker, A.M., Moisse, M., McLaughlin, R.L., Sproviero, W., Kenna, K.P., Kooyman, M., van Doormaal, P.T.C., van Eijk, K.E., Middelkoop, B.M., Schellevis , R.D., Brands, W.J., Al-Chalabi , A., Morrison, K.E., Newhouse, S.E., Shaw, C.E., van Es, M.A., Nazli Basak, A., Akçimen, F., Kocoglu, C., Tunca, C., Povedano, M., Mora, J.S., Glass , J.D., van Damme, P., Robberecht , W., Hardiman, O., Landers, J.E., and van den Berg, L.H.

Abstract

Objective: After the initial report of a CHCHD10 mutation in mitochondrial disease with features resembling amyotrophic lateral sclerosis (ALS), CHCHD10 mutations have been considered to be a frequent cause for ALS. However, the exact pathogenicity and clinical significance of these mutations remain unclear. Here, we aimed to determine the role of CHCHD10 mutations in ALS.\ud Methods: We analyzed 4,365 whole genome sequenced ALS patients and 1,832 controls from 7 different countries and examined all nonsynonymous single nucleotide variants in CHCHD10. These were tested for association with ALS, independently and in aggregate using several genetic burden tests (including sequence kernel association test [SKAT], optimal unified test \ud [SKAT-O], and Firth logistic regression).\ud Results: We identified 3 new variants in cases, but only 1 was ALS-specific. lso, 1 control-specific mutation was identified. There was no increased burden of rare coding mutations among ALS patients compared to controls \ud (p=0.86, p=0.86, and p=0.88 for SKAT, SKAT-O, and Firth, respectively). The few carriers with potential pathogenic CHCHD10 mutations exhibited a slowly progressive ALS-like phenotype with atypical features such as myopathy and\ud deafness. \ud Interpretation: CHCHD10 mutations seem to be a far less prevalent cause of pure ALS than previously suggested, and instead appear related to more complex phenotypes. There appears to be insufficient evidence for the pathogenicity of most previously reported variants in pure ALS. This study shows that routine testing for CHCHD10 mutations in pure ALS is not recommended and illustrates the importance of sufficient genetic and functional evidence in establishing pathogenicity of genetic variants.

Published
2018

35. WGS-based telomere length analysis in Dutch family trios implicates stronger maternal inheritance and a role for RRM1 gene

Author

Nersisyan, L. (Lilit), Nikoghosyan, M. (Maria), Arakelyan, A. (Arsen), Francioli, L.C. (Laurent), Menelaou, A. (Androniki), Pulit, S.L. (Sara L.), Elbers, C.C. (Clara C.), Kloosterman, W.P. (Wigard), van Setten, J. (Jessica), Nijman, I.J. (Isaac), Renkens, I. (Ivo), de Bakker, P.I.W. (Paul I. W.), Dijk, F. (Freerk) van, Neerincx, P.B.T. (Pieter), Deelen, P. (Patrick), Kanterakis, A. (Alexandros), Dijkstra, M. (Martijn), Byelas, H. (Heorhiy), van der Velde, K.J. (K. Joeri), Platteel, M. (Mathieu), Swertz, M.A. (Morris A.), Wijmenga, C. (Cisca), Palamara, P.F. (Pier Francesco), Pe’er, I. (Itsik), Ye, K. (Kai), Lameijer, E.-W. (Eric-Wubbo), Moed, M.H. (Matthijs H.), Beekman, M. (Marian), Craen, A.J.M. (Anton) de, Suchiman, H.E.D. (H. Eka D.), Slagboom, P.E. (Eline), Guryev, V. (Victor), Abdellaoui, A. (Abdel), Jan Hottenga, J. (Jouke), Kattenberg, M. (Mathijs), Willemsen, G. (Gonneke), Boomsma, D.I. (Dorret), van Leeuwen, E.M. (Elisabeth M.), Karssen, L.C. (Lennart), Amin, N. (Najaf), Rivadeneira, F. (Fernando), Isaacs, A. (Aaron), Hofman, A. (Albert), Uitterlinden, A.G. (André), Duijn, C.M. (Cornelia) van, van Oven, M. (Mannis), Kayser, M. (Manfred), Vermaat, M. (Martijn), Laros, J.F.J. (Jeroen), Dunnen, J.T. (Johan) den, Enckevort, D. (David) van, Mei, H. (Hailiang), Li, M. (Mingkun), Stoneking, M. (Mark), Schaik, B.D.C. (Barbera) van, Bot, J. (Jan), Marschall, T. (Tobias), Schönhuth, A. (Alexander), Hehir-Kwa, J.Y. (Jayne), Handsaker, R.E. (Robert), Polak, P. (Paz), Sohail, M. (Mashaal), Vuzman, D. (Dana), Estrada, K. (Karol), McCarroll, S.A. (Steven A.), Sunyaev, S.R. (Shamil R.), Hormozdiari, F. (Fereydoun), Koval, V. (Vyacheslav), Medina-Gomez, C. (Carolina), Oostra, B. (Ben), Veldink, J. (Jan), van den Berg, L.H. (Leonard H.), Pitts, S.J. (Steven J.), Potluri, S. (Shobha), Sundar, P. (Purnima), Cox, D.R. (David R.), Knijff, P. (Peter) de, Li, Q. (Qibin), Li, Y. (Yingrui), Du, Y. (Yuanping), Chen, R. (Ruoyan), Cao, H. (Hongzhi), Wang, J. (Jun), Li, N. (Ning), Cao, S. (Sujie), Bovenberg, J.A. (Jasper), Ommen, G.-J.B. (Gert-Jan) van, The Genome of the Netherlands Consortium, Nersisyan, L. (Lilit), Nikoghosyan, M. (Maria), Arakelyan, A. (Arsen), Francioli, L.C. (Laurent), Menelaou, A. (Androniki), Pulit, S.L. (Sara L.), Elbers, C.C. (Clara C.), Kloosterman, W.P. (Wigard), van Setten, J. (Jessica), Nijman, I.J. (Isaac), Renkens, I. (Ivo), de Bakker, P.I.W. (Paul I. W.), Dijk, F. (Freerk) van, Neerincx, P.B.T. (Pieter), Deelen, P. (Patrick), Kanterakis, A. (Alexandros), Dijkstra, M. (Martijn), Byelas, H. (Heorhiy), van der Velde, K.J. (K. Joeri), Platteel, M. (Mathieu), Swertz, M.A. (Morris A.), Wijmenga, C. (Cisca), Palamara, P.F. (Pier Francesco), Pe’er, I. (Itsik), Ye, K. (Kai), Lameijer, E.-W. (Eric-Wubbo), Moed, M.H. (Matthijs H.), Beekman, M. (Marian), Craen, A.J.M. (Anton) de, Suchiman, H.E.D. (H. Eka D.), Slagboom, P.E. (Eline), Guryev, V. (Victor), Abdellaoui, A. (Abdel), Jan Hottenga, J. (Jouke), Kattenberg, M. (Mathijs), Willemsen, G. (Gonneke), Boomsma, D.I. (Dorret), van Leeuwen, E.M. (Elisabeth M.), Karssen, L.C. (Lennart), Amin, N. (Najaf), Rivadeneira, F. (Fernando), Isaacs, A. (Aaron), Hofman, A. (Albert), Uitterlinden, A.G. (André), Duijn, C.M. (Cornelia) van, van Oven, M. (Mannis), Kayser, M. (Manfred), Vermaat, M. (Martijn), Laros, J.F.J. (Jeroen), Dunnen, J.T. (Johan) den, Enckevort, D. (David) van, Mei, H. (Hailiang), Li, M. (Mingkun), Stoneking, M. (Mark), Schaik, B.D.C. (Barbera) van, Bot, J. (Jan), Marschall, T. (Tobias), Schönhuth, A. (Alexander), Hehir-Kwa, J.Y. (Jayne), Handsaker, R.E. (Robert), Polak, P. (Paz), Sohail, M. (Mashaal), Vuzman, D. (Dana), Estrada, K. (Karol), McCarroll, S.A. (Steven A.), Sunyaev, S.R. (Shamil R.), Hormozdiari, F. (Fereydoun), Koval, V. (Vyacheslav), Medina-Gomez, C. (Carolina), Oostra, B. (Ben), Veldink, J. (Jan), van den Berg, L.H. (Leonard H.), Pitts, S.J. (Steven J.), Potluri, S. (Shobha), Sundar, P. (Purnima), Cox, D.R. (David R.), Knijff, P. (Peter) de, Li, Q. (Qibin), Li, Y. (Yingrui), Du, Y. (Yuanping), Chen, R. (Ruoyan), Cao, H. (Hongzhi), Wang, J. (Jun), Li, N. (Ning), Cao, S. (Sujie), Bovenberg, J.A. (Jasper), Ommen, G.-J.B. (Gert-Jan) van, and The Genome of the Netherlands Consortium

Abstract

Telomere length (TL) regulation is an important factor in ageing, reproduction and cancer development. Genetic, hereditary and environmental factors regulating TL are currently widely investigated, however, their relative contribution to TL variability is still understudied. We have used whole genome sequencing data of 250 family trios from the Genome of the Netherlands project to perform computational measurement of TL and a series of regression and genome-wide association analyses to reveal TL inheritance patterns and associated genetic factors. Our results confirm that TL is a largely heritable trait, primarily with mother’s, and, to a lesser extent, with father’s TL having the strongest influence on the offspring. In this cohort, mother’s, but not father’s age at conception was positively linked to offspring TL. Age-related TL attrition of 40 bp/year had relatively small influence on TL variability. Finally, we have identified TL-associated variations in ribonuclease reductase catalytic subunit M1 (RRM1 gene), which is known to regulate telomere maintenance in yeast. We also highlight the importance of multivariate approach and the limitations of existing tools for the analysis of TL as a polygenic heritable quantitative trait.

Published
2019
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36. Human genetics and neuropathology suggest a link between miR-218 and amyotrophic lateral sclerosis pathophysiology

Author

Başak, Ayşe Nazlı (ORCID 0000-0001-9257-3540 & YÖK ID 1512), Reichenstein,I.; Eitan, C.; Diaz-Garcia, S.; Haim, G.; Magen, I.; Siany, A.; Hoye, M.L.; Rivkin, N.; Olender, T.; Toth, B.; Ravid, R.; Mandelbaum, A.D.; Yanowski, E.; Liang, J.; Rymer, J.K.; Levy, R.; Beck, G.; Ainbinder, E.; Farhan,S.M.K.; Lennox, K.A.; Bode, N.M.; Behlke, M.A.; Möller, T.; Saxena, S.; Moreno, C.A.M.; Costaguta, G.; van Eijk, K.R.; Phatnani, H.; Al-Chalabi, A.; van den Berg, L.H.; Hardiman, O.; Landers, J.E.; Mora, J.S.; Morrison, K.E.; Shaw, P.J.; Veldink, J.H.; Pfaff S.L.; Yizhar, O.; Gross, C.; Brown, R.H. Jr.; Ravits, J.M.; Harms, M.B.; Miller, T.M.; Hornstein, E., Koç University Research Center for Translational Medicine (KUTTAM) / Koç Üniversitesi Translasyonel Tıp Araştırma Merkezi (KUTTAM), Başak, Ayşe Nazlı (ORCID 0000-0001-9257-3540 & YÖK ID 1512), Reichenstein,I.; Eitan, C.; Diaz-Garcia, S.; Haim, G.; Magen, I.; Siany, A.; Hoye, M.L.; Rivkin, N.; Olender, T.; Toth, B.; Ravid, R.; Mandelbaum, A.D.; Yanowski, E.; Liang, J.; Rymer, J.K.; Levy, R.; Beck, G.; Ainbinder, E.; Farhan,S.M.K.; Lennox, K.A.; Bode, N.M.; Behlke, M.A.; Möller, T.; Saxena, S.; Moreno, C.A.M.; Costaguta, G.; van Eijk, K.R.; Phatnani, H.; Al-Chalabi, A.; van den Berg, L.H.; Hardiman, O.; Landers, J.E.; Mora, J.S.; Morrison, K.E.; Shaw, P.J.; Veldink, J.H.; Pfaff S.L.; Yizhar, O.; Gross, C.; Brown, R.H. Jr.; Ravits, J.M.; Harms, M.B.; Miller, T.M.; Hornstein, E., and Koç University Research Center for Translational Medicine (KUTTAM) / Koç Üniversitesi Translasyonel Tıp Araştırma Merkezi (KUTTAM)

Abstract

Motor neuron–specific microRNA-218 (miR-218) has recently received attention because of its roles in mouse development. However, miR-218 relevance to human motor neuron disease was not yet explored. Here, we demonstrate by neuropathology that miR-218 is abundant in healthy human motor neurons. However, in amyotrophic lateral sclerosis (ALS) motor neurons, miR-218 is down-regulated and its mRNA targets are reciprocally up-regulated (derepressed). We further identify the potassium channel Kv10.1 as a new miR-218 direct target that controls neuronal activity. In addition, we screened thousands of ALS genomes and identified six rare variants in the human miR-218-2 sequence. miR-218 gene variants fail to regulate neuron activity, suggesting the importance of this small endogenous RNA for neuronal robustness. The underlying mechanisms involve inhibition of miR-218 biogenesis and reduced processing by DICER. Therefore, miR-218 activity in motor neurons may be susceptible to failure in human ALS, suggesting that miR-218 may be a potential therapeutic target in motor neuron disease., Target ALS; European Union (European Union); Horizon 2020; European Research Council (ERC), European Union's Seventh Framework Programme (FP7/2007-2013); AFM Telethon; NIH; National Institute of Neurological Disorders and Stroke; NIH/NINDS; United Kingdom, Medical Research Council; Suna and İnan Kıraç Foundation; Legacy Heritage Fund; Bruno and Ilse Frick Foundation for Research on ALS; Teva Pharmaceutical Industries Ltd. as part of the Israeli National Network of Excellence in Neuroscience (NNE); Minna-James-Heineman Stiftung through Minerva; Israel Science Foundation; ALS-Therapy Alliance; Motor Neuron Disease Association (United Kingdom); Thierry Latran Foundation for ALS research; ERA-Net for Research Programmes on Rare Diseases (FP7); IsrALS, Yeda-Sela, Yeda-CEO, Israel Ministry of Trade and Industry; Y. Leon Benoziyo Institute for Molecular Medicine; Kekst Family Institute for Medical Genetics; David and Fela Shapell Family Center for Genetic Disorders Research; Crown Human Genome Center; Nathan, Shirley, Philip and Charlene Vener New Scientist Fund; Julius and Ray Charlestein Foundation; Fraida Foundation; Wolfson Family Charitable Trust; Adelis Foundation; Merck (United Kingdom); ALS Canada Tim E. Noel Postdoctoral Fellowship; Project5 for ALS; Robert Packard Center for ALS Research; University of Missouri Spinal Cord Injury/Disease Research Program; Hope Center for Neurological Disorders; ALS Association ; Biogen; ALS Finding a Cure; Angel Fund; ALS-One; Cellucci Fund; Motor Neurone Disease Association; National Institute for Health Research (NIHR) Biomedical Research Centre

Published
2019

38. A SNP panel for identification of DNA and RNA specimens

Author

Yousefi, Soheil, Abbassi-Daloii, Tooba, Kraaijenbrink, Thirsa, Vermaat, Martijn, Mei, Hailiang, van't Hof, Peter, van Iterson, Maarten, Zhernakova, Daria V., Claringbould, Annique, Franke, Lude, 't Hart, Leen M., Slieker, Roderick C., van der Heijden, Amber, de Knijff, Peter, 't Hoen, Peter A. C., Jansen, R., van Meurs, J., Heijmans, B.T., Boomsma, D.I., van Dongen, J., Hottenga, Jouke-Jan, Slagboom, P.E., Suchiman, H. Eka D., van Zwet, Erik W., 't Hoen, P., Pool, R., van Greevenbroek, Marleen, Stehouwer, Coen, van der Kallen, Carla, Schalkwijk, Casper, Wijmenga, C., Zhernakova, A., Tigchelaar, E.F., Beekman, M, Deelen, J, van Heemst, D., Veldink, J H., van den Berg, L.H., van Duijn, C.M., Hofman, B. A., Uitterlinden, A. G., Jhamai, P. Mila, Verbiest, M., Verkerk, M., van der Breggen, Ruud, van Rooij, J., Lakenberg, N., Mei, H., Bot, J., Zhernakova, D. V., Van't Hof, P., Deelen, P., Nooren, I., Moed, M., Vermaat, M., Bonder, M.J., van Dijk, F., van Galen, M., Arindrarto, Wibowo, Kielbasa, Szymon M., Swertz, Morris A., Isaacs, A., Franke, L., Biological Psychology, APH - Mental Health, APH - Methodology, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, APH - Personalized Medicine, APH - Health Behaviors & Chronic Diseases, Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Stem Cell Aging Leukemia and Lymphoma (SALL), Epidemiology and Data Science, APH - Aging & Later Life, General practice, Amsterdam Neuroscience - Complex Trait Genetics, Psychiatry, RS: CARIM - R3.01 - Vascular complications of diabetes and the metabolic syndrome, Interne Geneeskunde, MUMC+: HVC Pieken Maastricht Studie (9), and MUMC+: MA Interne Geneeskunde (3)

Subjects
0301 basic medicine, Netherlands Twin Register (NTR), BLOOD, INDIVIDUAL IDENTIFICATION, Individuality, Linkage Disequilibrium, 0302 clinical medicine, Gene Frequency, MARKERS, Genotype, Ethnicity, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Mix up samples, Genetics, education.field_of_study, CODIS CORE LOCI, High-Throughput Nucleotide Sequencing, 16. Peace & justice, Justice and Strong Institutions, DNA profiling, POPULATIONS, DNA microarray, MESSENGER-RNA, Biotechnology, Research Article, Biobanking, Patient Identification Systems, SDG 16 - Peace, lcsh:QH426-470, lcsh:Biotechnology, Population, UNITED-STATES, Single-nucleotide polymorphism, Biology, Polymorphism, Single Nucleotide, VALIDATION, 03 medical and health sciences, All institutes and research themes of the Radboud University Medical Center, lcsh:TP248.13-248.65, Journal Article, SNP, Humans, 030216 legal & forensic medicine, Genetic Testing, Genetic variation, education, Genotyping, Forensics, SDG 16 - Peace, Justice and Strong Institutions, DNA, DNA Fingerprinting, Minor allele frequency, FORENSIC IDENTIFICATION, lcsh:Genetics, 030104 developmental biology, Genetics, Population, RNA, MULTIPLEX, Sample tracking, Nanomedicine Radboud Institute for Molecular Life Sciences [Radboudumc 19]
Abstract

Background SNP panels that uniquely identify an individual are useful for genetic and forensic research. Previously recommended SNP panels are based on DNA profiles and mostly contain intragenic SNPs. With the increasing interest in RNA expression profiles, we aimed for establishing a SNP panel for both DNA and RNA-based genotyping. Results To determine a small set of SNPs with maximally discriminative power, genotype calls were obtained from DNA and blood-derived RNA sequencing data belonging to healthy, geographically dispersed, Dutch individuals. SNPs were selected based on different criteria like genotype call rate, minor allele frequency, Hardy–Weinberg equilibrium and linkage disequilibrium. A panel of 50 SNPs was sufficient to identify an individual uniquely: the probability of identity was 6.9 × 10− 20 when assuming no family relations and 1.2 × 10− 10 when accounting for the presence of full sibs. The ability of the SNP panel to uniquely identify individuals on DNA and RNA level was validated in an independent population dataset. The panel is applicable to individuals from European descent, with slightly lower power in non-Europeans. Whereas most of the genes containing the 50 SNPs are expressed in various tissues, our SNP panel needs optimization for other tissues than blood. Conclusions This first DNA/RNA SNP panel will be useful to identify sample mix-ups in biomedical research and for assigning DNA and RNA stains in crime scenes to unique individuals. Electronic supplementary material The online version of this article (10.1186/s12864-018-4482-7) contains supplementary material, which is available to authorized users.

Published
2018
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40. Rare genetic variation in UNC13A may modify survival in amyotrophic lateral sclerosis

Author

Gaastra, B., Shatunov, A., Pulit, S., Jones, A.R., Sproviero, W., Gillett, A., Chen, Z., Kirby, J., Fogh, I., Powell, J.F., Leigh, P.N., Morrison, K.E., Shaw, P.J., Shaw, C.E., van den Berg, L.H., Veldink, J.H., Lewis, C.M., and Al-Chalabi, A.

Abstract

Our objective was to identify whether rare genetic variation in amyotrophic lateral sclerosis (ALS) candidate survival genes modifies ALS survival. Candidate genes were selected based on evidence for modifying ALS survival. Each tail of the extreme 1.5% of survival was selected from the UK MND DNA Bank and all samples available underwent whole genome sequencing. A replication set from the Netherlands was used for validation. Sequences of candidate survival genes were extracted and variants passing quality control with a minor allele frequency ≤0.05 were selected for association testing. Analysis was by burden testing using SKAT. Candidate survival genes UNC13A, KIFAP3, and EPHA4 were tested for association in a UK sample comprising 25 short survivors and 25 long survivors. Results showed that only SNVs in UNC13A were associated with survival (p = 6.57 × 10−3). SNV rs10419420:G > A was found exclusively in long survivors (3/25) and rs4808092:G > A exclusively in short survivors (4/25). These findings were not replicated in a Dutch sample. In conclusion, population specific rare variants of UNC13A may modulate survival in ALS.

Published
2016

41. Genome-wide patterns and properties of de novo mutations in humans

Author

Francioli, L.C., Polak, P.P., Koren, A., Menelaou, A., Chun, S., Renkens, I., van Duijn, C.M., Swertz, M.A., Wijmenga, C., van Ommen, G.J., Slagboom, P.E., Boomsma, D.I., Ye, K., Guryev, V., Arndt, P.F., Kloosterman, W.P., Bakker, P.I.W., Sunyaev, S.R., Dijk, F., Neerincx, P.B.T., Pulit, S.L., Deelen, P., Elbers, C.C., Palamara, P.F., Pe'er, I., Abdellaoui, A., van Oven, M., Vermaat, M., Li, M., Laros, J.F.J., Stoneking, M., de Knijff, P., Kayser, M., Veldink, J.H., Van den Berg, L.H., Byelas, H., den Dunnen, J.T., Dijkstra, M., Amin, N., van der Velde, K.J., Hottenga, J.J., van Setten, J., van Leeuwen, E.M., Kanterakis, A., Kattenberg, V.M., Karssen, L.C., van Schaik, B.D.C., Bot, J., Nijman, I.J., van Enckevort, D., Mei, H., Koval, V., Estrada, K., Medina-Gomez, C., Lameijer, E.W., Moed, M.H., Hehir-Kwa, J.Y., Handsaker, R.E., McCarroll, S.A., Vuzman, D., Sohail, M., Hormozdiari, F., Marschall, T., Schönhuth, A., Beekman, M., de Craen, A.J., Suchiman, H.E.D., Hofman, A., Oostra, B., Isaacs, A., Rivadeneira, F., Uitterlinden, A.G., Willemsen, G., Platteel, M., Pitts, S.J., Potluri, S., Sundar, P., Cox, D.R., Li, Q., Li, Y., Du, Y., Chen, R., Cao, H., Li, N., Cao, S., Wang, J., Bovenberg, J.A., Brandsma, M., Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Stem Cell Aging Leukemia and Lymphoma (SALL), Groningen Research Institute for Asthma and COPD (GRIAC), Biological Psychology, Culture, Organization and Management, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, Epidemiology, and Pharmacy

Subjects
Male, Netherlands Twin Register (NTR), Mutation rate, Population genetics, Twin Study, DISEASE, Nucleotide diversity, 0302 clinical medicine, Mutation Rate, ELEMENTS, Non-U.S. Gov't, POPULATION, Genetics, 0303 health sciences, education.field_of_study, Research Support, Non-U.S. Gov't, SUBSTITUTION, Mutation (genetic algorithm), Female, Pan troglodytes, Population, DNA-SEQUENCING DATA, Mutagenesis (molecular biology technique), Biology, Research Support, Article, Paternal Age, N.I.H, Evolution, Molecular, 03 medical and health sciences, Germline mutation, SDG 3 - Good Health and Well-being, Research Support, N.I.H., Extramural, Journal Article, Animals, Humans, education, Germ-Line Mutation, 030304 developmental biology, Models, Genetic, Genome, Human, Extramural, FRAMEWORK, POLYMORPHISM, RECOMBINATION RATES, RESOLUTION, RADIATION, Human genome, 030217 neurology & neurosurgery
Abstract

Mutations create variation in the population, fuel evolution and cause genetic diseases. Current knowledge about de novo mutations is incomplete and mostly indirect(1-10). Here we analyze 11,020 de novo mutations from the whole genomes of 250 families. We show that de novo mutations in the offspring of older fathers are not only more numerous(11-13) but also occur more frequently in early-replicating, genic regions. Functional regions exhibit higher mutation rates due to CpG dinucleotides and show signatures of transcriptioncoupled repair, whereas mutation clusters with a unique signature point to a new mutational mechanism. Mutation and recombination rates independently associate with nucleotide diversity, and regional variation in human-chimpanzee divergence is only partly explained by heterogeneity in mutation rate. Finally, we provide a genome-wide mutation rate map for medical and population genetics applications. Our results provide new insights and refine long-standing hypotheses about human mutagenesis.

Published
2015
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42. International chronic inflammatory demyelinating polyneuropathy outcome study (ICOS): Protocol of a prospective observational cohort study on clinical and biological predictors of disease course and outcome.

Author

Bunschoten, Carina, Eftimov, Filip, van der Pol, W.‐Ludo, Jacobs, Bart C., van Doorn, P.A., Brusse, E., Drenthen, J., Arends, S., Broers, M.C., van Schaik, I.N., van der Kooi, A.J., Verhamme, C., Adrichem, M.E., van Lieverloo, G.G.A., Lucke, I.M., Bus, S.R.M., van den Berg, L.H., Notermans, N.C., Vrancken, A.F.J.E., and Goedee, H.S.

Subjects
TREATMENT of Guillain-Barre syndrome, ACADEMIC medical centers, AGE distribution, DNA, GUILLAIN-Barre syndrome, SYMPTOMS, TREATMENT effectiveness, DISEASE prevalence, SEVERITY of illness index, DISEASE duration, DIAGNOSIS
Abstract

Chronic inflammatory demyelinating polyneuropathy (CIDP) is a heterogeneous immune‐mediated disorder with extensive variation in clinical presentation, electrophysiological phenotype, treatment response and long‐term outcome. This heterogeneity may reflect the existence of distinct subtypes of CIDP with a different pathogenesis that require personalized treatment. The International CIDP Outcome Study (ICOS) is a prospective, observational, multicenter cohort study that aims to describe this variation and to define clinical and biological determinants and predictors of these subtypes, disease activity, treatment response and outcome. All patients fulfilling the European Federation of Neurological Societies/Peripheral Nerve Society 2010 diagnostic criteria for CIDP can participate, independent of age, duration and severity of the disease or treatment. We collect data on the clinical presentation, diagnostics, validated clinical outcome measures, (response to) treatment, and we collect biomaterials (DNA, cerebrospinal fluid and serial serum samples). We aim to include at least 1000 CIDP patients with a follow‐up of at least 2 years. ICOS started in November 2015 in three academic medical centers in The Netherlands and by October 2018 169 patients are included: 69 new and 100 prevalent cases. ICOS is based on the format of the International Guillain‐Barré syndrome (GBS) Outcome Study (IGOS). Dutch centers are invited to participate in ICOS that will continue as an independent national registry. International centers will be able to collect data and biomaterials according to the ICOS protocol by using the optional ICOS module within the INCbase infrastructure. ICOS will help to standardize the collection of data and biosamples for future research in CIDP. [ABSTRACT FROM AUTHOR]

Published
2019
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43. Expansion of human gammadelta T cells after in vitro stimulation with Campylobacter jejuni

Author

van Rhijn, I., van den Berg, L.H., Ang, C.W., Admiraal, J., Logtenberg, T., Strategic Infection Biology, Dep Infectieziekten Immunologie, and Neurology

Subjects
T-Lymphocytes, T cell, Immunology, Immunoglobulin Variable Region, Biology, Medical sciences, Peripheral blood mononuclear cell, Campylobacter jejuni, Microbiology, Immune system, Adjuvants, Immunologic, Antigen, medicine, Humans, Immunology and Allergy, Bescherming en bevordering van de menselijke gezondheid, Geneeskunde(GENK), Interleukin-15, Econometric and Statistical Methods: General, Geneeskunde (GENK), T-cell receptor, Receptors, Antigen, T-Cell, gamma-delta, Sequence Analysis, DNA, General Medicine, T lymphocyte, bacterial infections and mycoses, biology.organism_classification, medicine.anatomical_structure, Interleukin-2, Bacterial antigen, Cell Division
Abstract

Campylobacter jejuni is currently the prime cause of food-borne bacterial gastro-enteritis. An important complication of C. jejuni enteritis is Guillain-Barré syndrome (GBS), an immune-mediated disorder of peripheral nerve tissue. Because little is known about T cell reactivity to C. jejuni, we have analyzed the in vitro immune response of normal individuals against five isolates of C. jejuni representing five different serotypes. We found a preferential expansion of peripheral blood gammadelta T cells after exposure to crude sonicates of all five C. jejuni serotypes. Expansion of gammadelta T cells was dependent on the presence of CD4+/alphabeta+ T cells in the cultures or addition of exogenous IL-2 or IL-15. C. jejuni stimulation was mediated via the TCR and appeared to be induced by a non-proteinaceous bacterial antigen, most likely of phosphoantigenic origin.

Published
2003
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44. C9orf72 and UNC13A Are Shared Risk Loci for Amyotrophic Lateral Sclerosis and Frontotemporal Dementia: A Genome-Wide Meta-Analysis

Author

Diekstra, F.P., Van Deerlin, V.M., van Swieten, J.C., Al-Chalabi, A., Ludolph, A.C., Weishaupt, J.H., Hardiman, O., Landers, J.E., Brown, R.H., Es, M.A., Pasterkamp, R.J., Koppers, M., Andersen, P.M., Estrada, K., Rivadeneira, F., Hofman, A., Uitterlinden, A. G., Van Damme, P., Melki, J., Meininger, V., Shatunov, A., Shaw, C.E., Leigh, P.N., Shaw, P.J., Morrison, K.E., Fogh, I., Chio, A., Traynor, B.J., Czell, D., Weber, M., Heutink, P., Bakker, P.I.W., Silani, V., Robberecht, W., Van den Berg, L.H., Veldink, J.H., Human genetics, Neurology, NCA - neurodegeneration, Internal Medicine, Epidemiology, and Erasmus MC other

Subjects
DNA Repeat Expansion, Pair 19, Amyotrophic Lateral Sclerosis, genetics, Chromosomes, Human, Pair 9, genetics, DNA Repeat Expansion, genetics, Frontotemporal Dementia, genetics, Genome-Wide Association Study, methods/trends, Humans, Mutation, Nerve Tissue Proteins, genetics, Polymorphism, Single Nucleotide, genetics, Proteins, genetics, Proteins, nutritional and metabolic diseases, Nerve Tissue Proteins, Chromosomes, nervous system diseases, Frontotemporal Dementia, Mutation, mental disorders, Humans, Polymorphism, methods/trends, Genome-Wide Association Study
Abstract

Objective: Substantial clinical, pathological, and genetic overlap exists between amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). TDP-43 inclusions have been found in both ALS and FTD cases (FTD-TDP). Recently, a repeat expansion in C9orf72 was identified as the causal variant in a proportion of ALS and FTD cases. We sought to identify additional evidence for a common genetic basis for the spectrum of ALS-FTD. Methods: We used published genome-wide association studies data for 4,377 ALS patients and 13,017 controls, and 435 pathology-proven FTD-TDP cases and 1,414 controls for genotype imputation. Data were analyzed in a joint meta-analysis, by replicating topmost associated hits of one disease in the other, and by using a conservative rank products analysis, allocating equal weight to ALS and FTD-TDP sample sizes. Results: Meta-analysis identified 19 genome-wide significant single nucleotide polymorphisms (SNPs) in C9orf72 on chromosome 9p21.2 (lowest p = 2.6 x 10(-12)) and 1 SNP in UNC13A on chromosome 19p13.11 (p = 1.0 x 10(-11)) as shared susceptibility loci for ALS and FTD-TDP. Conditioning on the 9p21.2 genotype increased statistical significance at UNC13A. A third signal, on chromosome 8q24.13 at the SPG8 locus coding for strumpellin (p = 3.91 x 10(-7)) was replicated in an independent cohort of 4,056 ALS patients and 3,958 controls (p = 0.026; combined analysis p = 1.01 x 10(-7)). Interpretation: We identified common genetic variants in C9orf72, but in addition in UNC13A that are shared between ALS and FTD. UNC13A provides a novel link between ALS and FTD-TDP, and identifies changes in neurotransmitter release and synaptic function as a converging mechanism in the pathogenesis of ALS and FTD-TDP.

Published
2014
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45. Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47

Author

Anderson, C.A. Boucher, G. Lees, C.W. Franke, A. D'Amato, M. Taylor, K.D. Lee, J.C. Goyette, P. Imielinski, M. Latiano, A. Lagacé, C. Scott, R. Amininejad, L. Bumpstead, S. Baidoo, L. Baldassano, R.N. Barclay, M. Bayless, T.M. Brand, S. Büning, C. Colombel, J.-F. Denson, L.A. De Vos, M. Dubinsky, M. Edwards, C. Ellinghaus, D. Fehrmann, R.S.N. Floyd, J.A.B. Florin, T. Franchimont, D. Franke, L. Georges, M. Glas, J. Glazer, N.L. Guthery, S.L. Haritunians, T. Hayward, N.K. Hugot, J.-P. Jobin, G. Laukens, D. Lawrance, I. Lémann, M. Levine, A. Libioulle, C. Louis, E. McGovern, D.P. Milla, M. Montgomery, G.W. Morley, K.I. Mowat, C. Ng, A. Newman, W. Ophoff, R.A. Papi, L. Palmieri, O. Peyrin-Biroulet, L. Panés, J. Phillips, A. Prescott, N.J. Proctor, D.D. Roberts, R. Russell, R. Rutgeerts, P. Sanderson, J. Sans, M. Schumm, P. Seibold, F. Sharma, Y. Simms, L.A. Seielstad, M. Steinhart, A.H. Targan, S.R. Van Den Berg, L.H. Vatn, M. Verspaget, H. Walters, T. Wijmenga, C. Wilson, D.C. Westra, H.-J. Xavier, R.J. Zhao, Z.Z. Ponsioen, C.Y. Andersen, V. Torkvist, L. Gazouli, M. Anagnou, N.P. Karlsen, T.H. Kupcinskas, L. Sventoraityte, J. Mansfield, J.C. Kugathasan, S. Silverberg, M.S. Halfvarson, J. Rotter, J.I. Mathew, C.G. Griffiths, A.M. Gearry, R. Ahmad, T. Brant, S.R. Chamaillard, M. Satsangi, J. Cho, J.H. Schreiber, S. Daly, M.J. Barrett, J.C. Parkes, M. Annese, V. Hakonarson, H. Radford-Smith, G. Duerr, R.H. Vermeire, S. Weersma, R.K. Rioux, J.D.

Abstract

Genome-wide association studies and candidate gene studies in ulcerative colitis have identified 18 susceptibility loci. We conducted a meta-analysis of six ulcerative colitis genome-wide association study datasets, comprising 6,687 cases and 19,718 controls, and followed up the top association signals in 9,628 cases and 12,917 controls. We identified 29 additional risk loci (P < 5 × 10-8), increasing the number of ulcerative colitis-associated loci to 47. After annotating associated regions using GRAIL, expression quantitative trait loci data and correlations with non-synonymous SNPs, we identified many candidate genes that provide potentially important insights into disease pathogenesis, including IL1R2, IL8RA-IL8RB, IL7R, IL12B, DAP, PRDM1, JAK2, IRF5, GNA12 and LSP1. The total number of confirmed inflammatory bowel disease risk loci is now 99, including a minimum of 28 shared association signals between Crohn's disease and ulcerative colitis. © 2011 Nature America, Inc. All rights reserved.

Published
2011

46. The El Escorial criteria : Strengths and weaknesses

Author

Agosta, F., Al-Chalabi, A., Filippi, Massimo, Hardiman, O., Kaji, R., Meininger, V., Nakano, I., Shaw, P., Shefner, J.M., Van Den Berg, L.H., Ludolph, A., Agosta, F., Al-Chalabi, A., Filippi, Massimo, Hardiman, O., Kaji, R., Meininger, V., Nakano, I., Shaw, P., Shefner, J.M., Van Den Berg, L.H., and Ludolph, A.

Published
2015

47. The El Escorial criteria: Strengths and weaknesses

Author

Projectafdeling ALS, Brain, Regenerative Medicine and Stem Cells, ZL Neuromusculaire Ziekten Medisch, Agosta, F., Al-Chalabi, A., Filippi, Massimo, Hardiman, O., Kaji, R., Meininger, V., Nakano, I., Shaw, P., Shefner, J.M., Van Den Berg, L.H., Ludolph, A., Projectafdeling ALS, Brain, Regenerative Medicine and Stem Cells, ZL Neuromusculaire Ziekten Medisch, Agosta, F., Al-Chalabi, A., Filippi, Massimo, Hardiman, O., Kaji, R., Meininger, V., Nakano, I., Shaw, P., Shefner, J.M., Van Den Berg, L.H., and Ludolph, A.

Published
2015

48. The TRAF1-C5 region on chromosome 9q33 is associated with multiple autoimmune diseases

Author

Kurreeman, F.A.S., Goulielmos, G.N., Alizadeh, B.Z., Rueda, B., Houwing-Duistermaat, J., Sanchez, E., Bevova, M., Radstake, T.R., Vonk, M.C., Galanakis, E., Ortego, N., Verduyn, W., Zervou, M.I., Roep, B.O., Dema, B., Espino, L., Urcelay, E., Boumpas, D.T., Van Den Berg, L.H., Wijmenga, C., Koeleman, B.P.C., Huizinga, T.W.J., Toes, R.E.M., Martin, J., Jiménez-Alonso, J., Sanchez-Román, J., De-Ramon, E., Camps, M., Aguirre, M.A., García-Portales, R., Harley, J.B., Criswell, L.A., Vyse, T., Kimberly, R., Jacob, C., Moser, K., Langfeldt, C., Alarcón-Riquelme, M.E., and Tsao, B.

Subjects
medicine.medical_specialty, Genotype, Immunology, Genome-wide association study, Single-nucleotide polymorphism, Polymorphism, Single Nucleotide, Auto-immunity, transplantation and immunotherapy [N4i 4], General Biochemistry, Genetics and Molecular Biology, Autoimmune Diseases, Rheumatology, immune system diseases, Internal medicine, Immunopathology, medicine, Immunology and Allergy, Humans, Lupus Erythematosus, Systemic, Genetic Predisposition to Disease, Allele, skin and connective tissue diseases, Autoimmune disease, Scleroderma, Systemic, systemic-lupus-erythematosus genome-wide association juvenile idiopathic arthritis rheumatoid-arthritis susceptibility risk polymorphism variants locus populations, business.industry, medicine.disease, Connective tissue disease, TNF Receptor-Associated Factor 1, Celiac Disease, Diabetes Mellitus, Type 1, Rheumatoid arthritis, business, Chromosomes, Human, Pair 9, Infection and autoimmunity [NCMLS 1]
Abstract

Item does not contain fulltext OBJECTIVES: The TRAF1-C5 locus has recently been identified as a genetic risk factor for rheumatoid arthritis (RA). Since genetic risk factors tend to overlap with several autoimmune diseases, a study was undertaken to investigate whether this region is associated with type 1 diabetes (TID), celiac disease (CD), systemic sclerosis (SSc) and systemic lupus erythematosus (SLE). METHODS: The most consistently associated SNP, rs10818488, was genotyped in a total of 735 patients with T1D, 1049 with CD, 367 with SSc, 746 with SLE and 3494 ethnically- and geographically-matched healthy individuals. The replication sample set consisted of 99 patients with T1D, 272 with SLE and 482 healthy individuals from Crete. RESULTS: A significant association was detected between the rs10818488 A allele and T1D (OR 1.14, p=0.027) and SLE (OR 1.16, p=0.016), which was replicated in 99 patients with T1D, 272 with SLE and 482 controls from Crete (OR 1.64, p=0.002; OR 1.43, p=0.002, respectively). Joint analysis of all patients with T1D (N=961) and all patients with SLE (N=1018) compared with 3976 healthy individuals yielded an allelic common OR of 1.19 (p=0.002) and 1.22 (p=2.6 x 10(-4)), respectively. However, combining our dataset with the T1D sample set from the WTCCC resulted in a non-significant association (OR 1.06, p=0.087). In contrast, previously unpublished results from the SLEGEN study showed a significant association of the same allele (OR 1.19, p=0.0038) with an overall effect of 1.22 (p=1.02 x 10(-6)) in a total of 1577 patients with SLE and 4215 healthy individuals. CONCLUSION: A significant association was found for the TRAF1-C5 locus in SLE, implying that this region lies in a pathway relevant to multiple autoimmune diseases. 01 april 2010

Published
2010

49. Exposure to chemicals and metals and risk of amyotrophic lateral sclerosis: a systematic review

Author

Sutedja, N.A., Veldink, J.H., Fischer, K., Kromhout, H., Heederik, D.J.J., Huisman, M.H.B., Wokke, J.H.J., van den Berg, L.H., Risk Assessment of Toxic and Immunomodulatory Agents, and Dep IRAS

Subjects
systematic review, International, motor neuron disease, Coronacrisis-Taverne, risk factor studies, ALS, Amyotrophic lateral sclerosis
Abstract

Environmental exposure to chemicals and metals may contribute to the risk of sporadic amyotrophic lateral sclerosis (ALS). Two systematic reviews of the literature on these topics performed according to the well-established MOOSE guidelines are presented. Literature cited in MEDLINE, EMBASE, CINAHL, and Cochrane databases (up to March 2007) as well as references of relevant articles were screened for case-control or cohort studies investigating the associations between sporadic ALS and exposure to chemical agents or metals. Methodology of selected studies was appraised according to Armon's classification system for ALS risk factor studies as well as a newly developed classification system for quality of exposure assessment. Seven of the 38 studies concerning exposure to chemicals and three of the 50 studies concerning exposure to metals fulfilled the validity criteria. In two independent studies meeting the validity criteria, a significant association with increased ALS risk was reported for exposure to pesticides. This systematic review demonstrated the difficulty in attaining a high level of evidence due to lack of high quality of methodological and exposure assessment components. Although pesticide exposure was identified as candidate risk factor, more well-designed studies are needed to provide a definitive answer about exogenous factors of ALS.

Published
2009

50. What we truly know about occupation as a risk factor for ALS: a critical and systematic review

Author

Sutedja, N.A., Fischer, K., Veldink, J.H., van der Heijden, G.J.M.G., Kromhout, H., Huisman, M.H.B., Wokke, J.H.J., van den Berg, L.H., Risk Assessment of Toxic and Immunomodulatory Agents, and Dep IRAS

Subjects
International
Abstract

Occupational and environmental exposures may contribute to the risk of developing sporadic amyotrophic lateral sclerosis (ALS). To summarize the available evidence, a systematic review of the literature on occupation as a potential determinant of ALS was performed according to the MOOSE guidelines. From MEDLINE, EMBASE, CINAHL, and Cochrane databases, selected studies were methodologically appraised according to Armon's classification system for ALS risk factor studies. Each occupation studied was reclassified according to the International Standard Classification of Occupations (ISCO-88). The vote-counting method was applied to summarize the data. Of 3773 potentially relevant studies, 51 were initially included. Of these, 12 studies provided risk estimates for individual occupations--one case-control, two register-based case-control, and nine register-based cohort studies. All studies fell into Armon's level of evidence class IV, indicating methodological limitations. Due to the heterogeneity of study methodology, data could not be pooled. The vote-counting method revealed several candidate occupations: veterinarians and other health workers, athletes, hairdressers, power-production plant, electrical and military workers. However, well designed studies with standardized assessment of occupation are needed to provide a more definitive answer about exogenous risk factors of ALS.

Published
2009

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