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Dynamic incorporation of multiple in silico functional annotations empowers rare variant association analysis of large whole-genome sequencing studies at scale.
Nature Genetics ( IF 30.8 ) Pub Date : 2020-08-24 , DOI: 10.1038/s41588-020-0676-4
Xihao Li 1 , Zilin Li 1 , Hufeng Zhou 1 , Sheila M Gaynor 1 , Yaowu Liu 2 , Han Chen 3, 4 , Ryan Sun 5 , Rounak Dey 1 , Donna K Arnett 6 , Stella Aslibekyan 7 , Christie M Ballantyne 8 , Lawrence F Bielak 9 , John Blangero 10 , Eric Boerwinkle 3, 11 , Donald W Bowden 12 , Jai G Broome 13 , Matthew P Conomos 14 , Adolfo Correa 15 , L Adrienne Cupples 16, 17 , Joanne E Curran 10 , Barry I Freedman 18 , Xiuqing Guo 19 , George Hindy 20 , Marguerite R Irvin 7 , Sharon L R Kardia 9 , Sekar Kathiresan 21, 22, 23 , Alyna T Khan 14 , Charles L Kooperberg 24 , Cathy C Laurie 14 , X Shirley Liu 25, 26 , Michael C Mahaney 10 , Ani W Manichaikul 27 , Lisa W Martin 28 , Rasika A Mathias 29 , Stephen T McGarvey 30 , Braxton D Mitchell 31, 32 , May E Montasser 33 , Jill E Moore 34 , Alanna C Morrison 3 , Jeffrey R O'Connell 31 , Nicholette D Palmer 12 , Akhil Pampana 35, 36 , Juan M Peralta 10 , Patricia A Peyser 9 , Bruce M Psaty 37, 38 , Susan Redline 39, 40, 41 , Kenneth M Rice 14 , Stephen S Rich 27 , Jennifer A Smith 9, 42 , Hemant K Tiwari 43 , Michael Y Tsai 44 , Ramachandran S Vasan 17, 45 , Fei Fei Wang 14 , Daniel E Weeks 46 , Zhiping Weng 34 , James G Wilson 47, 48 , Lisa R Yanek 29 , , , Benjamin M Neale 35, 49, 50 , Shamil R Sunyaev 35, 51, 52 , Gonçalo R Abecasis 53, 54 , Jerome I Rotter 19 , Cristen J Willer 55, 56, 57 , Gina M Peloso 16 , Pradeep Natarajan 23, 35, 36 , Xihong Lin 1, 26, 35
Affiliation  

Large-scale whole-genome sequencing studies have enabled the analysis of rare variants (RVs) associated with complex phenotypes. Commonly used RV association tests have limited scope to leverage variant functions. We propose STAAR (variant-set test for association using annotation information), a scalable and powerful RV association test method that effectively incorporates both variant categories and multiple complementary annotations using a dynamic weighting scheme. For the latter, we introduce ‘annotation principal components’, multidimensional summaries of in silico variant annotations. STAAR accounts for population structure and relatedness and is scalable for analyzing very large cohort and biobank whole-genome sequencing studies of continuous and dichotomous traits. We applied STAAR to identify RVs associated with four lipid traits in 12,316 discovery and 17,822 replication samples from the Trans-Omics for Precision Medicine Program. We discovered and replicated new RV associations, including disruptive missense RVs of NPC1L1 and an intergenic region near APOC1P1 associated with low-density lipoprotein cholesterol.



中文翻译:

多个计算机功能注释的动态整合使得大规模全基因组测序研究的罕见变异关联分析成为可能。

大规模全基因组测序研究使得能够分析与复杂表型相关的罕见变异(RV)。常用的 RV 关联测试利用变体功能的范围有限。我们提出了 STAAR(使用注释信息进行关联的变体集测试),这是一种可扩展且强大的 RV 关联测试方法,它使用动态加权方案有效地结合了变体类别和多个互补注释。对于后者,我们引入“注释主成分”,即计算机变体注释的多维摘要。STAAR 考虑了群体结构和相关性,并且可扩展用于分析连续和二分性状的大型队列和生物库全基因组测序研究。我们应用 STAAR 在精准医学跨组学计划的 12,316 个发现样本和 17,822 个复制样本中识别了与四种脂质特征相关的 RV。我们发现并复制了新的 RV 关联,包括NPC1L1的破坏性错义 RV以及APOC1P1附近与低密度脂蛋白胆固醇相关的基因间区域。

更新日期:2020-08-24
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