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Alzheimer's & dementia : the journal of the Alzheimer's Association · 2015

Global and local ancestry in African-Americans: Implications for Alzheimer's disease risk.

СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАПоддержка правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Hohman Timothy J, Cooke-Bailey Jessica N, Reitz Christiane, Jun Gyungah, Naj Adam, Beecham Gary W, Liu Zhi, Carney Regina M, Vance Jeffrey M, Cuccaro Michael L, Rajbhandary Ruchita, Vardarajan Badri Narayan, Wang Li-San, Valladares Otto, Lin Chiao-Feng, Larson Eric B, Graff-Radford Neill R, Evans Denis, De Jager Philip L, Crane Paul K, Buxbaum Joseph D, Murrell Jill R, Raj Towfique, Ertekin-Taner Nilufer, Logue Mark W, Baldwin Clinton T, Green Robert C, Barnes Lisa L, Cantwell Laura B, Fallin M Daniele, Go Rodney C P, Griffith Patrick, Obisesan Thomas O, Manly Jennifer J, Lunetta Kathryn L, Kamboh M Ilyas, Lopez Oscar L, Bennett David A, Hardy John, Hendrie Hugh C, Hall Kathleen S, Goate Alison M, Lang Rosalyn, Byrd Goldie S, Kukull Walter A, Foroud Tatiana M, Farrer Lindsay A, Martin Eden R, Pericak-Vance Margaret A, Schellenberg Gerard D, Mayeux Richard, Haines Jonathan L, Thornton-Wells Tricia A, Alzheimer Disease Genetics Consortium

Аннотация

INTRODUCTION: African-American (AA) individuals have a higher risk for late-onset Alzheimer's disease (LOAD) than Americans of primarily European ancestry (EA). Recently, the largest genome-wide association study in AAs to date confirmed that six of the Alzheimer's disease (AD)-related genetic variants originally discovered in EA cohorts are also risk variants in AA; however, the risk attributable to many of the loci (e.g., APOE, ABCA7) differed substantially from previous studies in EA. There likely are risk variants of higher frequency in AAs that have not been discovered.

METHODS: We performed a comprehensive analysis of genetically determined local and global ancestry in AAs with regard to LOAD status.

RESULTS: Compared to controls, LOAD cases showed higher levels of African ancestry, both globally and at several LOAD relevant loci, which explained risk for AD beyond global differences.

DISCUSSION: Exploratory post hoc analyses highlight regions with greatest differences in ancestry as potential candidate regions for future genetic analyses.

Предметные рубрики MeSH

ИП Урсолов Владлен Сергеевич

ИНН 500118482352 · ОГРНИП 314500117700049

Реквизиты и контакты