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Your search keyword '"Chiang, Colby C."' showing total 2 results
Start Over Author "Chiang, Colby C." Topic genetic variation
2 results on '"Chiang, Colby C."'

1. Exome sequencing of Finnish isolates enhances rare-variant association power.

Author

Locke AE, Steinberg KM, Chiang CWK, Service SK, Havulinna AS, Stell L, Pirinen M, Abel HJ, Chiang CC, Fulton RS, Jackson AU, Kang CJ, Kanchi KL, Koboldt DC, Larson DE, Nelson J, Nicholas TJ, Pietilä A, Ramensky V, Ray D, Scott LJ, Stringham HM, Vangipurapu J, Welch R, Yajnik P, Yin X, Eriksson JG, Ala-Korpela M, Järvelin MR, Männikkö M, Laivuori H, Dutcher SK, Stitziel NO, Wilson RK, Hall IM, Sabatti C, Palotie A, Salomaa V, Laakso M, Ripatti S, Boehnke M, and Freimer NB

Subjects
Alleles, Cholesterol, HDL genetics, Cluster Analysis, Endpoint Determination, Finland, Geographic Mapping, Humans, Multifactorial Inheritance genetics, Reproducibility of Results, Genetic Association Studies methods, Genetic Predisposition to Disease genetics, Genetic Variation genetics, Quantitative Trait Loci genetics, Exome Sequencing
Abstract

Exome-sequencing studies have generally been underpowered to identify deleterious alleles with a large effect on complex traits as such alleles are mostly rare. Because the population of northern and eastern Finland has expanded considerably and in isolation following a series of bottlenecks, individuals of these populations have numerous deleterious alleles at a relatively high frequency. Here, using exome sequencing of nearly 20,000 individuals from these regions, we investigate the role of rare coding variants in clinically relevant quantitative cardiometabolic traits. Exome-wide association studies for 64 quantitative traits identified 26 newly associated deleterious alleles. Of these 26 alleles, 19 are either unique to or more than 20 times more frequent in Finnish individuals than in other Europeans and show geographical clustering comparable to Mendelian disease mutations that are characteristic of the Finnish population. We estimate that sequencing studies of populations without this unique history would require hundreds of thousands to millions of participants to achieve comparable association power.

Published
2019
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2. Exome sequencing of Finnish isolates enhances rare-variant association power

Author

Locke, Adam E, Steinberg, Karyn Meltz, Chiang, Charleston WK, Service, Susan K, Havulinna, Aki S, Stell, Laurel, Pirinen, Matti, Abel, Haley J, Chiang, Colby C, Fulton, Robert S, Jackson, Anne U, Kang, Chul Joo, Kanchi, Krishna L, Koboldt, Daniel C, Larson, David E, Nelson, Joanne, Nicholas, Thomas J, Pietilä, Arto, Ramensky, Vasily, Ray, Debashree, Scott, Laura J, Stringham, Heather M, Vangipurapu, Jagadish, Welch, Ryan, Yajnik, Pranav, Yin, Xianyong, Eriksson, Johan G, Ala-Korpela, Mika, Järvelin, Marjo-Riitta, Männikkö, Minna, Laivuori, Hannele, FinnGen Project, Dutcher, Susan K, Stitziel, Nathan O, Wilson, Richard K, Hall, Ira M, Sabatti, Chiara, Palotie, Aarno, Salomaa, Veikko, Laakso, Markku, Ripatti, Samuli, Boehnke, Michael, and Freimer, Nelson B

Subjects
Multifactorial Inheritance, HDL, Endpoint Determination, General Science & Technology, Quantitative Trait Loci, Human Genome, Reproducibility of Results, Genetic Variation, Geographic Mapping, Whole Exome Sequencing, Cholesterol, Exome Sequencing, Genetics, Humans, Cluster Analysis, 2.1 Biological and endogenous factors, Genetic Predisposition to Disease, FinnGen Project, Aetiology, Alleles, Finland, Genetic Association Studies
Abstract

Exome-sequencing studies have generally been underpowered to identify deleterious alleles with a large effect on complex traits as such alleles are mostly rare. Because the population of northern and eastern Finland has expanded considerably and in isolation following a series of bottlenecks, individuals of these populations have numerous deleterious alleles at a relatively high frequency. Here, using exomesequencing of nearly 20,000 individuals from these regions, we investigate the role of rare coding variants in clinically relevant quantitative cardiometabolic traits. Exome-wide association studies for 64 quantitative traits identified 26 newly associated deleterious alleles. Of these 26 alleles, 19 are either unique to or more than 20 times more frequent in Finnish individuals than in other Europeans and show geographical clustering comparable to Mendelian disease mutations that are characteristic of the Finnish population. We estimate that sequencing studies of populations without this unique history would require hundreds of thousands to millions of participants to achieve comparable association power.

Published
2019

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