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1. Trans-ethnic and Ancestry-Specific Blood-Cell Genetics in 746,667 Individuals from 5 Global Populations

Author

Chen, Ming-Huei, Raffield, Laura M, Mousas, Abdou, Sakaue, Saori, Huffman, Jennifer E, Moscati, Arden, Trivedi, Bhavi, Jiang, Tao, Akbari, Parsa, Vuckovic, Dragana, Bao, Erik L, Zhong, Xue, Manansala, Regina, Laplante, Véronique, Chen, Minhui, Lo, Ken Sin, Qian, Huijun, Lareau, Caleb A, Beaudoin, Mélissa, Hunt, Karen A, Akiyama, Masato, Bartz, Traci M, Ben-Shlomo, Yoav, Beswick, Andrew, Bork-Jensen, Jette, Bottinger, Erwin P, Brody, Jennifer A, Van Rooij, Frank JA, Chitrala, Kumaraswamynaidu, Cho, Kelly, Choquet, Hélène, Correa, Adolfo, Danesh, John, Di Angelantonio, Emanuele, Dimou, Niki, Ding, Jingzhong, Elliott, Paul, Esko, Tõnu, Evans, Michele K, Floyd, James S, Broer, Linda, Grarup, Niels, Guo, Michael H, Greinacher, Andreas, Haessler, Jeff, Hansen, Torben, Howson, Joanna MM, Huang, Qin Qin, Huang, Wei, Jorgenson, Eric, Kacprowski, Tim, Kähönen, Mika, Kamatani, Yoichiro, Kanai, Masahiro, Karthikeyan, Savita, Koskeridis, Fotis, Lange, Leslie A, Lehtimäki, Terho, Lerch, Markus M, Linneberg, Allan, Liu, Yongmei, Lyytikäinen, Leo-Pekka, Manichaikul, Ani, Martin, Hilary C, Matsuda, Koichi, Mohlke, Karen L, Mononen, Nina, Murakami, Yoshinori, Nadkarni, Girish N, Nauck, Matthias, Nikus, Kjell, Ouwehand, Willem H, Pankratz, Nathan, Pedersen, Oluf, Preuss, Michael, Psaty, Bruce M, Raitakari, Olli T, Roberts, David J, Rich, Stephen S, Rodriguez, Benjamin AT, Rosen, Jonathan D, Rotter, Jerome I, Schubert, Petra, Spracklen, Cassandra N, Surendran, Praveen, Tang, Hua, Tardif, Jean-Claude, Trembath, Richard C, Ghanbari, Mohsen, Völker, Uwe, Völzke, Henry, Watkins, Nicholas A, Zonderman, Alan B, VA Million Veteran Program, Wilson, Peter WF, Li, Yun, Butterworth, Adam S, Gauchat, Jean-François, Chiang, Charleston WK, Li, Bingshan, Loos, Ruth JF, Astle, William J, Evangelou, Evangelos, Van Heel, David A, Sankaran, Vijay G, Okada, Yukinori, Soranzo, Nicole, Johnson, Andrew D, Reiner, Alexander P, Auer, Paul L, Lettre, Guillaume, Danesh, John [0000-0003-1158-6791], Di Angelantonio, Emanuele [0000-0001-8776-6719], Ouwehand, Willem [0000-0002-7744-1790], Butterworth, Adam [0000-0002-6915-9015], Astle, William [0000-0001-8866-6672], Soranzo, Nicole [0000-0003-1095-3852], and Apollo - University of Cambridge Repository

Subjects
HEK293 Cells, Phenotype, Asian People, FOS: Biological sciences, Interleukin-7, interleukin-7, genetic architecture, fine-mapping, selective sweeps, polygenic trait score, phenome-wide association study, Genetics, Mutation, Missense, Humans, Polymorphism, Single Nucleotide, White People, Genome-Wide Association Study
Abstract

Most loci identified by GWASs have been found in populations of European ancestry (EUR). In trans-ethnic meta-analyses for 15 hematological traits in 746,667 participants, including 184,535 non-EUR individuals, we identified 5,552 trait-variant associations at p < 5 �� 10���9, including 71 novel associations not found in EUR populations. We also identified 28 additional novel variants in ancestry-specific, non-EUR meta-analyses, including an IL7 missense variant in South Asians associated with lymphocyte count in vivo and IL-7 secretion levels in vitro. Fine-mapping prioritized variants annotated as functional and generated 95% credible sets that were 30% smaller when using the trans-ethnic as opposed to the EUR-only results. We explored the clinical significance and predictive value of trans-ethnic variants in multiple populations and compared genetic architecture and the effect of natural selection on these blood phenotypes between populations. Altogether, our results for hematological traits highlight the value of a more global representation of populations in genetic studies. Delineation of the genetic architecture of hematological traits in a multi-ethnic dataset allows identification of rare variants with strong effects specific to non-European populations and improved fine mapping of GWAS variants using the trans-ethnic approach.

Published
2020
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2. The Polygenic and Monogenic Basis of Blood Traits and Diseases.

Author

Vuckovic D, Bao EL, Akbari P, Lareau CA, Mousas A, Jiang T, Chen MH, Raffield LM, Tardaguila M, Huffman JE, Ritchie SC, Megy K, Ponstingl H, Penkett CJ, Albers PK, Wigdor EM, Sakaue S, Moscati A, Manansala R, Lo KS, Qian H, Akiyama M, Bartz TM, Ben-Shlomo Y, Beswick A, Bork-Jensen J, Bottinger EP, Brody JA, van Rooij FJA, Chitrala KN, Wilson PWF, Choquet H, Danesh J, Di Angelantonio E, Dimou N, Ding J, Elliott P, Esko T, Evans MK, Felix SB, Floyd JS, Broer L, Grarup N, Guo MH, Guo Q, Greinacher A, Haessler J, Hansen T, Howson JMM, Huang W, Jorgenson E, Kacprowski T, Kähönen M, Kamatani Y, Kanai M, Karthikeyan S, Koskeridis F, Lange LA, Lehtimäki T, Linneberg A, Liu Y, Lyytikäinen LP, Manichaikul A, Matsuda K, Mohlke KL, Mononen N, Murakami Y, Nadkarni GN, Nikus K, Pankratz N, Pedersen O, Preuss M, Psaty BM, Raitakari OT, Rich SS, Rodriguez BAT, Rosen JD, Rotter JI, Schubert P, Spracklen CN, Surendran P, Tang H, Tardif JC, Ghanbari M, Völker U, Völzke H, Watkins NA, Weiss S, Cai N, Kundu K, Watt SB, Walter K, Zonderman AB, Cho K, Li Y, Loos RJF, Knight JC, Georges M, Stegle O, Evangelou E, Okada Y, Roberts DJ, Inouye M, Johnson AD, Auer PL, Astle WJ, Reiner AP, Butterworth AS, Ouwehand WH, Lettre G, Sankaran VG, and Soranzo N

Subjects
Female, Gene Regulatory Networks genetics, Genome-Wide Association Study methods, Hematopoiesis genetics, Humans, Male, Phenotype, Polymorphism, Single Nucleotide genetics, Genetic Predisposition to Disease genetics, Multifactorial Inheritance genetics
Abstract

Blood cells play essential roles in human health, underpinning physiological processes such as immunity, oxygen transport, and clotting, which when perturbed cause a significant global health burden. Here we integrate data from UK Biobank and a large-scale international collaborative effort, including data for 563,085 European ancestry participants, and discover 5,106 new genetic variants independently associated with 29 blood cell phenotypes covering a range of variation impacting hematopoiesis. We holistically characterize the genetic architecture of hematopoiesis, assess the relevance of the omnigenic model to blood cell phenotypes, delineate relevant hematopoietic cell states influenced by regulatory genetic variants and gene networks, identify novel splice-altering variants mediating the associations, and assess the polygenic prediction potential for blood traits and clinical disorders at the interface of complex and Mendelian genetics. These results show the power of large-scale blood cell trait GWAS to interrogate clinically meaningful variants across a wide allelic spectrum of human variation., Competing Interests: Declaration of Interests Adam Butterworth has received grants (outside of this work) from AstraZeneca, Biogen, BioMarin, Bioverativ, Merck, Novartis, and Sanofi; James Floyd has consulted for Shionogi; Qi Guo is a full-time employee of BenevolentAI; Joanna Howson is a full-time employee of Novo Nordisk. Parsa Akbari is a full-time employee of Regeneron Pharmaceuticals., (Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved.)

Published
2020
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3. Trans-ethnic and Ancestry-Specific Blood-Cell Genetics in 746,667 Individuals from 5 Global Populations.

Author

Chen MH, Raffield LM, Mousas A, Sakaue S, Huffman JE, Moscati A, Trivedi B, Jiang T, Akbari P, Vuckovic D, Bao EL, Zhong X, Manansala R, Laplante V, Chen M, Lo KS, Qian H, Lareau CA, Beaudoin M, Hunt KA, Akiyama M, Bartz TM, Ben-Shlomo Y, Beswick A, Bork-Jensen J, Bottinger EP, Brody JA, van Rooij FJA, Chitrala K, Cho K, Choquet H, Correa A, Danesh J, Di Angelantonio E, Dimou N, Ding J, Elliott P, Esko T, Evans MK, Floyd JS, Broer L, Grarup N, Guo MH, Greinacher A, Haessler J, Hansen T, Howson JMM, Huang QQ, Huang W, Jorgenson E, Kacprowski T, Kähönen M, Kamatani Y, Kanai M, Karthikeyan S, Koskeridis F, Lange LA, Lehtimäki T, Lerch MM, Linneberg A, Liu Y, Lyytikäinen LP, Manichaikul A, Martin HC, Matsuda K, Mohlke KL, Mononen N, Murakami Y, Nadkarni GN, Nauck M, Nikus K, Ouwehand WH, Pankratz N, Pedersen O, Preuss M, Psaty BM, Raitakari OT, Roberts DJ, Rich SS, Rodriguez BAT, Rosen JD, Rotter JI, Schubert P, Spracklen CN, Surendran P, Tang H, Tardif JC, Trembath RC, Ghanbari M, Völker U, Völzke H, Watkins NA, Zonderman AB, Wilson PWF, Li Y, Butterworth AS, Gauchat JF, Chiang CWK, Li B, Loos RJF, Astle WJ, Evangelou E, van Heel DA, Sankaran VG, Okada Y, Soranzo N, Johnson AD, Reiner AP, Auer PL, and Lettre G

Subjects
Genetics, Genome-Wide Association Study methods, HEK293 Cells, Humans, Interleukin-7 genetics, Phenotype, Asian People genetics, Mutation, Missense genetics, Polymorphism, Single Nucleotide genetics, White People genetics
Abstract

Most loci identified by GWASs have been found in populations of European ancestry (EUR). In trans-ethnic meta-analyses for 15 hematological traits in 746,667 participants, including 184,535 non-EUR individuals, we identified 5,552 trait-variant associations at p < 5 × 10 -9 , including 71 novel associations not found in EUR populations. We also identified 28 additional novel variants in ancestry-specific, non-EUR meta-analyses, including an IL7 missense variant in South Asians associated with lymphocyte count in vivo and IL-7 secretion levels in vitro. Fine-mapping prioritized variants annotated as functional and generated 95% credible sets that were 30% smaller when using the trans-ethnic as opposed to the EUR-only results. We explored the clinical significance and predictive value of trans-ethnic variants in multiple populations and compared genetic architecture and the effect of natural selection on these blood phenotypes between populations. Altogether, our results for hematological traits highlight the value of a more global representation of populations in genetic studies., Competing Interests: Declaration of Interests Competing financial interests are declared in Table S1F., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Published
2020
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