Copy Number Variation Identification on 3,800 Alzheimer’s Disease Whole Genome Sequencing Data from the Alzheimer’s Disease Sequencing Project

Wan Ping Lee, Albert A. Tucci, Mitchell Conery, Yuk Yee Leung, Amanda B. Kuzma, Otto Valladares, Yi Fan Chou, Wenbin Lu, Li San Wang, Gerard D. Schellenberg, Jung Ying Tzeng

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摘要

Alzheimer’s Disease (AD) is a progressive neurologic disease and the most common form of dementia. While the causes of AD are not completely understood, genetics plays a key role in the etiology of AD, and thus finding genetic factors holds the potential to uncover novel AD mechanisms. For this study, we focus on copy number variation (CNV) detection and burden analysis. Leveraging whole-genome sequence (WGS) data released by Alzheimer’s Disease Sequencing Project (ADSP), we developed a scalable bioinformatics pipeline to identify CNVs. This pipeline was applied to 1,737 AD cases and 2,063 cognitively normal controls. As a result, we observed 237,306 and 42,767 deletions and duplications, respectively, with an average of 2,255 deletions and 1,820 duplications per subject. The burden tests show that Non-Hispanic-White cases on average have 16 more duplications than controls do (p-value 2e-6), and Hispanic cases have larger deletions than controls do (p-value 6.8e-5).

原文English
文章編號752390
期刊Frontiers in Genetics
12
DOIs
出版狀態Published - 2021 11月 4

All Science Journal Classification (ASJC) codes

  • 分子醫學
  • 遺傳學
  • 遺傳學(臨床)

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