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1. Genome-wide structural variant analysis identifies risk loci for non-Alzheimer’s dementias

Author

Kaivola, Karri, Chia, Ruth, Ding, Jinhui, Rasheed, Memoona, Fujita, Masashi, Menon, Vilas, Walton, Ronald L, Collins, Ryan L, Billingsley, Kimberley, Brand, Harrison, Talkowski, Michael, Zhao, Xuefang, Dewan, Ramita, Stark, Ali, Ray, Anindita, Solaiman, Jerez, Pilar Alvarez, Malik, Laksh, Dawson, Ted M, Rosenthal, Liana S, Albert, Marilyn S, Pletnikova, Olga, Troncoso, Juan C, Masellis, Mario, Keith, Julia, Black, Sandra E, Ferrucci, Luigi, Resnick, Susan M, Tanaka, Toshiko, Soltis, Anthony R, Viollet, Coralie, Sukumar, Gauthaman, Alba, Camille, Lott, Nathaniel, Martinez, Elisa McGrath, Tuck, Meila, Singh, Jatinder, Bacikova, Dagmar, Zhang, Xijun, Hupalo, Daniel N, Adeleye, Adelani, Wilkerson, Matthew D, Pollard, Harvey B, Dalgard, Clifton L, Gan-Or, Ziv, Rogaeva, Ekaterina, Brice, Alexis, Lesage, Suzanne, Xiromerisiou, Georgia, Calvo, Andrea, Canosa, Antonio, Chio, Adriano, Logroscino, Giancarlo, Mora, Gabriele, Krüger, Reijko, May, Patrick, Alcolea, Daniel, Clarimon, Jordi, Fortea, Juan, Gonzalez-Aramburu, Isabel, Infante, Jon, Lage, Carmen, Lleó, Alberto, Pastor, Pau, Sanchez-Juan, Pascual, Brett, Francesca, Aarsland, Dag, Al-Sarraj, Safa, Attems, Johannes, Gentleman, Steve, Hardy, John A, Hodges, Angela K, Love, Seth, McKeith, Ian G, Morris, Christopher M, Morris, Huw R, Palmer, Laura, Pickering-Brown, Stuart, Ryten, Mina, Thomas, Alan J, Troakes, Claire, Barrett, Matthew J, Beach, Thomas G, Bekris, Lynn M, Bennett, David A, Boeve, Bradley F, Dickson, Dennis W, Faber, Kelley, Ferman, Tanis, Flanagan, Margaret E, Foroud, Tatiana M, Ghetti, Bernardino, and Gibbs, J Raphael

Subjects
Biological Sciences, Genetics, Brain Disorders, Dementia, ALS, Rare Diseases, Neurodegenerative, Neurosciences, Human Genome, Frontotemporal Dementia (FTD), Alzheimer's Disease, Alzheimer's Disease Related Dementias (ADRD), Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), Acquired Cognitive Impairment, Aging, Aetiology, 2.1 Biological and endogenous factors, Neurological, American Genome Center, International LBD Genomics Consortium, International ALS/FTD Consortium, PROSPECT Consortium, Lewy body dementia, amyotrophic lateral sclerosis, case-control study, frontotemporal dementia, genome-wide association study, non–Alzheimer's dementia, resource, structural variant
Abstract

We characterized the role of structural variants, a largely unexplored type of genetic variation, in two non-Alzheimer's dementias, namely Lewy body dementia (LBD) and frontotemporal dementia (FTD)/amyotrophic lateral sclerosis (ALS). To do this, we applied an advanced structural variant calling pipeline (GATK-SV) to short-read whole-genome sequence data from 5,213 European-ancestry cases and 4,132 controls. We discovered, replicated, and validated a deletion in TPCN1 as a novel risk locus for LBD and detected the known structural variants at the C9orf72 and MAPT loci as associated with FTD/ALS. We also identified rare pathogenic structural variants in both LBD and FTD/ALS. Finally, we assembled a catalog of structural variants that can be mined for new insights into the pathogenesis of these understudied forms of dementia.

Published
2023

2. Genome-wide structural variant analysis identifies risk loci for non-Alzheimer’s dementias

Author

Soltis, Anthony R., Viollet, Coralie, Sukumar, Gauthaman, Alba, Camille, Lott, Nathaniel, McGrath Martinez, Elisa, Tuck, Meila, Singh, Jatinder, Bacikova, Dagmar, Zhang, Xijun, Hupalo, Daniel N., Adeleye, Adelani, Wilkerson, Matthew D., Pollard, Harvey B., Dalgard, Clifton L., Black, Sandra E., Gan-Or, Ziv, Keith, Julia, Masellis, Mario, Rogaeva, Ekaterina, Brice, Alexis, Lesage, Suzanne, Xiromerisiou, Georgia, Calvo, Andrea, Canosa, Antonio, Chio, Adriano, Logroscino, Giancarlo, Mora, Gabriele, Krüger, Reijko, May, Patrick, Alcolea, Daniel, Clarimon, Jordi, Fortea, Juan, Gonzalez-Aramburu, Isabel, Infante, Jon, Lage, Carmen, Lleó, Alberto, Pastor, Pau, Sanchez-Juan, Pascual, Brett, Francesca, Aarsland, Dag, Al-Sarraj, Safa, Attems, Johannes, Gentleman, Steve, Hardy, John A., Hodges, Angela K., Love, Seth, McKeith, Ian G., Morris, Christopher M., Morris, Huw R., Palmer, Laura, Pickering-Brown, Stuart, Ryten, Mina, Thomas, Alan J., Troakes, Claire, Albert, Marilyn S., Barrett, Matthew J., Beach, Thomas G., Bekris, Lynn M., Bennett, David A., Boeve, Bradley F., Dawson, Ted M., Dickson, Dennis W., Faber, Kelley, Ferman, Tanis, Ferrucci, Luigi, Flanagan, Margaret E., Foroud, Tatiana M., Ghetti, Bernardino, Gibbs, J. Raphael, Goate, Alison, Goldstein, David S., Graff-Radford, Neill R., Kaufmann, Horacio, Kukull, Walter A., Leverenz, James B., Lopez, Grisel, Mao, Qinwen, Masliah, Eliezer, Monuki, Edwin, Newell, Kathy L., Palma, Jose-Alberto, Perkins, Matthew, Pletnikova, Olga, Renton, Alan E., Resnick, Susan M., Rosenthal, Liana S., Ross, Owen A., Scherzer, Clemens R., Serrano, Geidy E., Shakkottai, Vikram G., Sidransky, Ellen, Tanaka, Toshiko, Tayebi, Nahid, Topol, Eric, Torkamani, Ali, Troncoso, Juan C., Woltjer, Randy, Wszolek, Zbigniew K., Scholz, Sonja W., Baloh, Robert H., Bowser, Robert, Broach, James, Camu, William, Chiò, Adriano, Cooper-Knock, John, Drepper, Carsten, Drory, Vivian E., Dunckley, Travis L., Feldman, Eva, Fratta, Pietro, Gerhard, Glenn, Gibson, Summer B., Glass, Jonathan D., Harms, Matthew B., Heiman-Patterson, Terry D., Jansson, Lilja, Kirby, Janine, Kwan, Justin, Laaksovirta, Hannu, Landers, John E., Landi, Francesco, Le Ber, Isabelle, Lumbroso, Serge, MacGowan, Daniel J.L., Maragakis, Nicholas J., Mouzat, Kevin, Myllykangas, Liisa, Orrell, Richard W., Ostrow, Lyle W., Pamphlett, Roger, Pioro, Erik, Pulst, Stefan M., Ravits, John M., Robberecht, Wim, Rothstein, Jeffrey D., Sendtner, Michael, Shaw, Pamela J., Sidle, Katie C., Simmons, Zachary, Stein, Thor, Stone, David J., Tienari, Pentti J., Traynor, Bryan J., Valori, Miko, Van Damme, Philip, Van Deerlin, Vivianna M., Van Den Bosch, Ludo, Zinman, Lorne, Kaivola, Karri, Chia, Ruth, Ding, Jinhui, Rasheed, Memoona, Fujita, Masashi, Menon, Vilas, Walton, Ronald L., Collins, Ryan L., Billingsley, Kimberley, Brand, Harrison, Talkowski, Michael, Zhao, Xuefang, Dewan, Ramita, Stark, Ali, Ray, Anindita, Solaiman, Sultana, Alvarez Jerez, Pilar, Malik, Laksh, Tienari, Pentti, Mazzini, Letizia, D'Alfonso, Sandra, Moglia, Cristina, and De Jager, Philip L.

Published
2023
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6. Genome-wide structural variant analysis identifies risk loci for non-Alzheimer’s dementias

Author

Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Luxembourg Centre for Systems Biomedicine (LCSB): Clinical & Experimental Neuroscience (Krüger Group) [research center], Luxembourg Institute of Health - LIH [research center], Fonds National de la Recherche - FnR [sponsor], Kaivola, Karri, Chia, Ruth, Ding, Jinhui, Rasheed, Memoona, Fujita, Masashi, Menon, Vilas, Walton, Ronald L., Collins, Ryan L., Billingsley, Kimberley, Brand, Harrison, Talkowski, Michael, Zhao, Xuefang, Dewan, Ramita, Stark, Ali, Ray, Anindita, Solaiman, Sultana, Alvarez Jerez, Pilar, Malik, Laksh, Dawson, Ted M., Rosenthal, Liana S., Albert, Marilyn S., Pletnikova, Olga, Troncoso, Juan C., Masellis, Mario, Keith, Julia, Black, Sandra E., Ferrucci, Luigi, Resnick, Susan M., Tanaka, Toshiko, Topol, Eric, Torkamani, Ali, Tienari, Pentti, Foroud, Tatiana M., Ghetti, Bernardino, Landers, John E., Ryten, Mina, Morris, Huw R., Hardy, John A., Mazzini, Letizia, D'Alfonso, Sandra, Moglia, Cristina, Calvo, Andrea, Serrano, Geidy E., Beach, Thomas G., Ferman, Tanis, Graff-Radford, Neill R., Boeve, Bradley F., Wszolek, Zbigniew K., Dickson, Dennis W., Chiò, Adriano, Bennett, David A., De Jager, Philip L., Ross, Owen A., Dalgard, Clifton L., Gibbs, J. Raphael, Traynor, Bryan J., Scholz, Sonja W., Soltis, Anthony R., Viollet, Coralie, Sukumar, Gauthaman, Alba, Camille, Lott, Nathaniel, McGrath Martinez, Elisa, Tuck, Meila, Singh, Jatinder, Bacikova, Dagmar, Zhang, Xijun, Hupalo, Daniel N., Adeleye, Adelani, Wilkerson, Matthew D., Pollard, Harvey B., Gan-Or, Ziv, Rogaeva, Ekaterina, Brice, Alexis, Lesage, Suzanne, Xiromerisiou, Georgia, Canosa, Antonio, Chio, Adriano, Logroscino, Giancarlo, Mora, Gabriele, Krüger, Rejko, May, Patrick, Alcolea, Daniel, Clarimon, Jordi, Fortea, Juan, Gonzalez-Aramburu, Isabel, Infante, Jon, Lage, Carmen, Lleó, Alberto, Pastor, Pau, Sanchez-Juan, Pascual, Brett, Francesca, Aarsland, Dag, Al-Sarraj, Safa, Attems, Johannes, Gentleman, Steve, Hodges, Angela K., Love, Seth, McKeith, Ian G., Morris, Christopher M., Palmer, Laura, Pickering-Brown, Stuart, Thomas, Alan J., Troakes, Claire, Barrett, Matthew J., Bekris, Lynn M., Faber, Kelley, Flanagan, Margaret E., Goate, Alison, Goldstein, David S., Kaufmann, Horacio, Kukull, Walter A., Leverenz, James B., Lopez, Grisel, Mao, Qinwen, Masliah, Eliezer, Monuki, Edwin, Newell, Kathy L., Palma, Jose-Alberto, Perkins, Matthew, Renton, Alan E., Scherzer, Clemens R., Shakkottai, Vikram G., Sidransky, Ellen, Tayebi, Nahid, Woltjer, Randy, Baloh, Robert H., Bowser, Robert, Broach, James, Camu, William, Cooper-Knock, John, Drepper, Carsten, Drory, Vivian E., Dunckley, Travis L., Feldman, Eva, Fratta, Pietro, Gerhard, Glenn, Gibson, Summer B., Glass, Jonathan D., Harms, Matthew B., Heiman-Patterson, Terry D., Jansson, Lilja, Kirby, Janine, Kwan, Justin, Laaksovirta, Hannu, Landi, Francesco, Le Ber, Isabelle, Lumbroso, Serge, MacGowan, Daniel J. L., Maragakis, Nicholas J., Mouzat, Kevin, Myllykangas, Liisa, Orrell, Richard W., Ostrow, Lyle W., Pamphlett, Roger, Pioro, Erik, Pulst, Stefan M., Ravits, John M., Robberecht, Wim, Rothstein, Jeffrey D., Sendtner, Michael, Shaw, Pamela J., Sidle, Katie C., Simmons, Zachary, Stein, Thor, Stone, David J., Tienari, Pentti J., Valori, Miko, Van Damme, Philip, Van Deerlin, Vivianna M., Van Den Bosch, Ludo, Zinman, Lorne, Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Luxembourg Centre for Systems Biomedicine (LCSB): Clinical & Experimental Neuroscience (Krüger Group) [research center], Luxembourg Institute of Health - LIH [research center], Fonds National de la Recherche - FnR [sponsor], Kaivola, Karri, Chia, Ruth, Ding, Jinhui, Rasheed, Memoona, Fujita, Masashi, Menon, Vilas, Walton, Ronald L., Collins, Ryan L., Billingsley, Kimberley, Brand, Harrison, Talkowski, Michael, Zhao, Xuefang, Dewan, Ramita, Stark, Ali, Ray, Anindita, Solaiman, Sultana, Alvarez Jerez, Pilar, Malik, Laksh, Dawson, Ted M., Rosenthal, Liana S., Albert, Marilyn S., Pletnikova, Olga, Troncoso, Juan C., Masellis, Mario, Keith, Julia, Black, Sandra E., Ferrucci, Luigi, Resnick, Susan M., Tanaka, Toshiko, Topol, Eric, Torkamani, Ali, Tienari, Pentti, Foroud, Tatiana M., Ghetti, Bernardino, Landers, John E., Ryten, Mina, Morris, Huw R., Hardy, John A., Mazzini, Letizia, D'Alfonso, Sandra, Moglia, Cristina, Calvo, Andrea, Serrano, Geidy E., Beach, Thomas G., Ferman, Tanis, Graff-Radford, Neill R., Boeve, Bradley F., Wszolek, Zbigniew K., Dickson, Dennis W., Chiò, Adriano, Bennett, David A., De Jager, Philip L., Ross, Owen A., Dalgard, Clifton L., Gibbs, J. Raphael, Traynor, Bryan J., Scholz, Sonja W., Soltis, Anthony R., Viollet, Coralie, Sukumar, Gauthaman, Alba, Camille, Lott, Nathaniel, McGrath Martinez, Elisa, Tuck, Meila, Singh, Jatinder, Bacikova, Dagmar, Zhang, Xijun, Hupalo, Daniel N., Adeleye, Adelani, Wilkerson, Matthew D., Pollard, Harvey B., Gan-Or, Ziv, Rogaeva, Ekaterina, Brice, Alexis, Lesage, Suzanne, Xiromerisiou, Georgia, Canosa, Antonio, Chio, Adriano, Logroscino, Giancarlo, Mora, Gabriele, Krüger, Rejko, May, Patrick, Alcolea, Daniel, Clarimon, Jordi, Fortea, Juan, Gonzalez-Aramburu, Isabel, Infante, Jon, Lage, Carmen, Lleó, Alberto, Pastor, Pau, Sanchez-Juan, Pascual, Brett, Francesca, Aarsland, Dag, Al-Sarraj, Safa, Attems, Johannes, Gentleman, Steve, Hodges, Angela K., Love, Seth, McKeith, Ian G., Morris, Christopher M., Palmer, Laura, Pickering-Brown, Stuart, Thomas, Alan J., Troakes, Claire, Barrett, Matthew J., Bekris, Lynn M., Faber, Kelley, Flanagan, Margaret E., Goate, Alison, Goldstein, David S., Kaufmann, Horacio, Kukull, Walter A., Leverenz, James B., Lopez, Grisel, Mao, Qinwen, Masliah, Eliezer, Monuki, Edwin, Newell, Kathy L., Palma, Jose-Alberto, Perkins, Matthew, Renton, Alan E., Scherzer, Clemens R., Shakkottai, Vikram G., Sidransky, Ellen, Tayebi, Nahid, Woltjer, Randy, Baloh, Robert H., Bowser, Robert, Broach, James, Camu, William, Cooper-Knock, John, Drepper, Carsten, Drory, Vivian E., Dunckley, Travis L., Feldman, Eva, Fratta, Pietro, Gerhard, Glenn, Gibson, Summer B., Glass, Jonathan D., Harms, Matthew B., Heiman-Patterson, Terry D., Jansson, Lilja, Kirby, Janine, Kwan, Justin, Laaksovirta, Hannu, Landi, Francesco, Le Ber, Isabelle, Lumbroso, Serge, MacGowan, Daniel J. L., Maragakis, Nicholas J., Mouzat, Kevin, Myllykangas, Liisa, Orrell, Richard W., Ostrow, Lyle W., Pamphlett, Roger, Pioro, Erik, Pulst, Stefan M., Ravits, John M., Robberecht, Wim, Rothstein, Jeffrey D., Sendtner, Michael, Shaw, Pamela J., Sidle, Katie C., Simmons, Zachary, Stein, Thor, Stone, David J., Tienari, Pentti J., Valori, Miko, Van Damme, Philip, Van Deerlin, Vivianna M., Van Den Bosch, Ludo, and Zinman, Lorne

Abstract

We characterized the role of structural variants, a largely unexplored type of genetic variation, in two non-Alzheimer’s dementias, namely Lewy body dementia (LBD) and frontotemporal dementia (FTD)/amyotrophic lateral sclerosis (ALS). To do this, we applied an advanced structural variant calling pipeline (GATK-SV) to short-read whole-genome sequence data from 5,213 European-ancestry cases and 4,132 controls. We discovered, replicated, and validated a deletion in TPCN1 as a novel risk locus for LBD and detected the known structural variants at the C9orf72 and MAPT loci as associated with FTD/ALS. We also identified rare pathogenic structural variants in both LBD and FTD/ALS. Finally, we assembled a catalog of structural variants that can be mined for new insights into the pathogenesis of these understudied forms of dementia.

Published
2023

7. Cumulative Genetic Score and C9orf72 Repeat Status Independently Contribute to Amyotrophic Lateral Sclerosis Risk in 2 Case-Control Studies

Author

National Amyotrophic Lateral Sclerosis (US), National Institute of Environmental Health Sciences (US), National Institute of Neurological Disorders and Stroke (US), Amyotrophic Lateral Sclerosis Association, Randall W. Whitcomb Fund, University of Michigan, National Institute on Aging (US), National Institutes of Health (US), Comunidad de Madrid, Ministerio de Sanidad (España), Dou, John, Bakulski, Kelly, Guo, Kai, Hur, Junguk, Zhao, Lili, Saez-Atienzar, Sara, Stark, Ali, Chia, Ruth, García-Redondo, Alberto, Rojas-García, Ricardo, Vázquez-Costa, Juan F., Fernández-Santiago, Rubén, Bandres-Ciga, Sara, Gómez-Garre, Pilar, Periñán, María Teresa, Mir, Pablo, Pérez-Tur, Jordi, Cardona, Fernando, Menéndez-González, Manuel, Riancho, Javier, Borrego-Hernández, Daniel, Galán, Lucía, Infante, Jon, Pastor, Pau, Paradas, Carmen, Dols-Icardo, Oriol, Traynor, Bryan J., Feldman, Eva L., Goutman, Stephen A., National Amyotrophic Lateral Sclerosis (US), National Institute of Environmental Health Sciences (US), National Institute of Neurological Disorders and Stroke (US), Amyotrophic Lateral Sclerosis Association, Randall W. Whitcomb Fund, University of Michigan, National Institute on Aging (US), National Institutes of Health (US), Comunidad de Madrid, Ministerio de Sanidad (España), Dou, John, Bakulski, Kelly, Guo, Kai, Hur, Junguk, Zhao, Lili, Saez-Atienzar, Sara, Stark, Ali, Chia, Ruth, García-Redondo, Alberto, Rojas-García, Ricardo, Vázquez-Costa, Juan F., Fernández-Santiago, Rubén, Bandres-Ciga, Sara, Gómez-Garre, Pilar, Periñán, María Teresa, Mir, Pablo, Pérez-Tur, Jordi, Cardona, Fernando, Menéndez-González, Manuel, Riancho, Javier, Borrego-Hernández, Daniel, Galán, Lucía, Infante, Jon, Pastor, Pau, Paradas, Carmen, Dols-Icardo, Oriol, Traynor, Bryan J., Feldman, Eva L., and Goutman, Stephen A.

Abstract

[Background and Objectives] Most patients with amyotrophic lateral sclerosis (ALS) lack a monogenic mutation. This study evaluates ALS cumulative genetic risk in an independent Michigan and Spanish replication cohort using polygenic scores., [Methods] Participant samples from University of Michigan were genotyped and assayed for the chromosome 9 open reading frame 72 hexanucleotide expansion. Final cohort size was 219 ALS and 223 healthy controls after genotyping and participant filtering. Polygenic scores excluding the C9 region were generated using an independent ALS genome-wide association study (20,806 cases, 59,804 controls). Adjusted logistic regression and receiver operating characteristic curves evaluated the association and classification between polygenic scores and ALS status, respectively. Population attributable fractions and pathway analyses were conducted. An independent Spanish study sample (548 cases, 2,756 controls) was used for replication., [Results] Polygenic scores constructed from 275 single-nucleotide variation (SNV) had the best model fit in the Michigan cohort. An SD increase in ALS polygenic score associated with 1.28 (95% CI 1.04–1.57) times higher odds of ALS with area under the curve of 0.663 vs a model without the ALS polygenic score (p value = 1 × 10−6). The population attributable fraction of the highest 20th percentile of ALS polygenic scores, relative to the lowest 80th percentile, was 4.1% of ALS cases. Genes annotated to this polygenic score enriched for important ALS pathomechanisms. Meta-analysis with the Spanish study, using a harmonized 132 single nucleotide variation polygenic score, yielded similar logistic regression findings (odds ratio: 1.13, 95% CI 1.04–1.23)., [Discussion] ALS polygenic scores can account for cumulative genetic risk in populations and reflect disease-relevant pathways. If further validated, this polygenic score will inform future ALS risk models.

Published
2023

8. Cumulative Genetic Score and C9orf72 Repeat Status Independently Contribute to Amyotrophic Lateral Sclerosis Risk in 2 Case-Control Studies

Author

Dou, John, Bakulski, Kelly, Guo, Kai, Hur, Junguk, Zhao, Lili, Saez-Atienzar, Sara, Stark, Ali, Chia, Ruth, García-Redondo, Alberto, Rojas-Garcia, Ricardo, Vázquez Costa, Juan Francisco, Fernandez Santiago, Ruben, Bandres-Ciga, Sara, Gómez-Garre, Pilar, Periñán, Maria Teresa, Mir, Pablo, Pérez-Tur, Jordi, Cardona, Fernando, Menendez-Gonzalez, Manuel, Riancho, Javier, Borrego-Hernández, Daniel, Galán-Dávila, Lucia, Infante Ceberio, Jon, Pastor, Pau, Paradas, Carmen, Dols-Icardo, Oriol, Traynor, Bryan J., Feldman, Eva L., and Goutman, Stephen A.

Subjects
Research Article
Abstract

BACKGROUND AND OBJECTIVES: Most patients with amyotrophic lateral sclerosis (ALS) lack a monogenic mutation. This study evaluates ALS cumulative genetic risk in an independent Michigan and Spanish replication cohort using polygenic scores. METHODS: Participant samples from University of Michigan were genotyped and assayed for the chromosome 9 open reading frame 72 hexanucleotide expansion. Final cohort size was 219 ALS and 223 healthy controls after genotyping and participant filtering. Polygenic scores excluding the C9 region were generated using an independent ALS genome-wide association study (20,806 cases, 59,804 controls). Adjusted logistic regression and receiver operating characteristic curves evaluated the association and classification between polygenic scores and ALS status, respectively. Population attributable fractions and pathway analyses were conducted. An independent Spanish study sample (548 cases, 2,756 controls) was used for replication. RESULTS: Polygenic scores constructed from 275 single-nucleotide variation (SNV) had the best model fit in the Michigan cohort. An SD increase in ALS polygenic score associated with 1.28 (95% CI 1.04–1.57) times higher odds of ALS with area under the curve of 0.663 vs a model without the ALS polygenic score (p value = 1 × 10(−6)). The population attributable fraction of the highest 20th percentile of ALS polygenic scores, relative to the lowest 80th percentile, was 4.1% of ALS cases. Genes annotated to this polygenic score enriched for important ALS pathomechanisms. Meta-analysis with the Spanish study, using a harmonized 132 single nucleotide variation polygenic score, yielded similar logistic regression findings (odds ratio: 1.13, 95% CI 1.04–1.23). DISCUSSION: ALS polygenic scores can account for cumulative genetic risk in populations and reflect disease-relevant pathways. If further validated, this polygenic score will inform future ALS risk models.

Published
2023

10. Genome-Wide and Transcriptome-Wide Association Studies on Northern New England and Ohio Amyotrophic Lateral Sclerosis Cohorts.

Author

Li S, Gui J, Passarelli MN, Andrew AS, Sullivan KM, Cornell KA, Traynor BJ, Stark A, Chia R, Kuenzler RM, Pioro EP, Bradley WG, and Stommel EW

Abstract

Background and Objectives: Amyotrophic lateral sclerosis (ALS) is an age-associated, fatal neurodegenerative disorder causing progressive paralysis and respiratory failure. The genetic architecture of ALS is still largely unknown., Methods: We performed a genome-wide association study (GWAS) and transcriptome-wide association study (TWAS) to understand genetic risk factors for ALS using a population-based case-control study of 435 ALS cases and 279 controls from Northern New England and Ohio. Single nucleotide polymorphism (SNP) genotyping was conducted using the Illumina NeuroChip array. Odds ratios were estimated using covariate-adjusted logistic regression. We also performed a genome-wide SNP-smoking interaction screening. TWAS analyses used PrediXcan to estimate associations between predicted gene expression levels across 15 tissues (13 brain tissues, skeletal muscle, and whole blood) and ALS risk., Results: GWAS analyses identified the p.A382T missense variant (rs367543041, p = 3.95E-6) in the TARDBP gene, which has previously been reported in association with increased ALS risk and was found to share a close affinity with the Sardinian haplotype. Both GWAS and TWAS analyses suggested that ZNF235 is associated with decreased ALS risk., Discussion: Our results support the need for future evaluation to clarify the role of these potential genetic risk factors for ALS and to understand genetic susceptibility to environmental risk factors., Competing Interests: B. J. Traynor holds patents on the clinical testing and therapeutic intervention for the hexanucleotide repeat expansion of C9orf72. Go to Neurology.org/NG for full disclosures., (Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology.)

Published
2024
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11. Erratum: Cumulative Genetic Score and C9orf72 Repeat Status Independently Contribute to Amyotrophic Lateral Sclerosis Risk in 2 Case-Control Studies.

Author

Dou J, Bakulski K, Guo K, Hur J, Zhao L, Saez-Atienzar S, Stark A, Chia R, García-Redondo A, Rojas-Garcia R, Vázquez Costa JF, Santiago RF, Bandres-Ciga S, Gómez-Garre P, Periñán MT, Mir P, Pérez-Tur J, Cardona F, Menendez-Gonzalez M, Riancho J, Borrego-Hernández D, Galán-Dávila L, Ceberio JI, Pastor P, Paradas C, Dols-Icardo O, Traynor BJ, Feldman EL, and Goutman SA

Abstract

[This corrects the article DOI: 10.1212/NXG.0000000000200079.]., (© 2023 American Academy of Neurology.)

Published
2023
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12. Cumulative Genetic Score and C9orf72 Repeat Status Independently Contribute to Amyotrophic Lateral Sclerosis Risk in 2 Case-Control Studies.

Author

Dou J, Bakulski K, Guo K, Hur J, Zhao L, Saez-Atienzar S, Stark A, Chia R, García-Redondo A, Rojas-Garcia R, Vázquez Costa JF, Fernandez Santiago R, Bandres-Ciga S, Gómez-Garre P, Periñán MT, Mir P, Pérez-Tur J, Cardona F, Menendez-Gonzalez M, Riancho J, Borrego-Hernández D, Galán-Dávila L, Infante Ceberio J, Pastor P, Paradas C, Dols-Icardo O, Traynor BJ, Feldman EL, and Goutman SA

Abstract

Background and Objectives: Most patients with amyotrophic lateral sclerosis (ALS) lack a monogenic mutation. This study evaluates ALS cumulative genetic risk in an independent Michigan and Spanish replication cohort using polygenic scores., Methods: Participant samples from University of Michigan were genotyped and assayed for the chromosome 9 open reading frame 72 hexanucleotide expansion. Final cohort size was 219 ALS and 223 healthy controls after genotyping and participant filtering. Polygenic scores excluding the C9 region were generated using an independent ALS genome-wide association study (20,806 cases, 59,804 controls). Adjusted logistic regression and receiver operating characteristic curves evaluated the association and classification between polygenic scores and ALS status, respectively. Population attributable fractions and pathway analyses were conducted. An independent Spanish study sample (548 cases, 2,756 controls) was used for replication., Results: Polygenic scores constructed from 275 single-nucleotide variation (SNV) had the best model fit in the Michigan cohort. An SD increase in ALS polygenic score associated with 1.28 (95% CI 1.04-1.57) times higher odds of ALS with area under the curve of 0.663 vs a model without the ALS polygenic score ( p value = 1 × 10 -6 ). The population attributable fraction of the highest 20th percentile of ALS polygenic scores, relative to the lowest 80th percentile, was 4.1% of ALS cases. Genes annotated to this polygenic score enriched for important ALS pathomechanisms. Meta-analysis with the Spanish study, using a harmonized 132 single nucleotide variation polygenic score, yielded similar logistic regression findings (odds ratio: 1.13, 95% CI 1.04-1.23)., Discussion: ALS polygenic scores can account for cumulative genetic risk in populations and reflect disease-relevant pathways. If further validated, this polygenic score will inform future ALS risk models., Competing Interests: J.F. Vázquez-Costa receives payment for lectures and presentations from Biogen. P. Mir receives payments for honoraria or lectures from Abbvie, Abbott, and Zambon. L. Galán-Dávila receives consulting fees, payment, or honoraria from Akcea, Alnylan, Genzyme, Sobi, Pfizer, and equipment donation from Pfizer. J.I. Ceberio receives payment for lectures and presentations from Abbvie, Bial, and Zambon. B.J. Traynor holds a patent for “Diagnostic and therapeutic implications for the C9orf72 repeat expansion” and has collaborative research agreements with Ionis Pharmaceuticals, Roche, and Optimeos. E.L. Feldman receives consulting fees from Novartis and is an inventor on a patent held by University of Michigan titled, “Methods for Treating Amyotrophic Lateral Sclerosis.” S.A. Goutman is an inventor on a patent held by University of Michigan titled, “Methods for Treating Amyotrophic Lateral Sclerosis.” The other authors declare no competing interests. Go to Neurology.org/NG for full disclosures., (Written work prepared by employees of the Federal Government as part of their official duties is, under the U.S. Copyright Act, a “work of the United States Government” for which copyright protection under Title 17 of the United States Code is not available. As such, copyright does not extend to the contributions of employees of the Federal Government.)

Published
2023
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