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


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.

SUBMITTER: Chen MH 

PROVIDER: S-EPMC7480402 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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

Chen Ming-Huei MH   Raffield Laura M LM   Mousas Abdou A   Sakaue Saori S   Huffman Jennifer E JE   Moscati Arden A   Trivedi Bhavi B   Jiang Tao T   Akbari Parsa P   Vuckovic Dragana D   Bao Erik L EL   Zhong Xue X   Manansala Regina R   Laplante Véronique V   Chen Minhui M   Lo Ken Sin KS   Qian Huijun H   Lareau Caleb A CA   Beaudoin Mélissa M   Hunt Karen A KA   Akiyama Masato M   Bartz Traci M TM   Ben-Shlomo Yoav Y   Beswick Andrew A   Bork-Jensen Jette J   Bottinger Erwin P EP   Brody Jennifer A JA   van Rooij Frank J A FJA   Chitrala Kumaraswamynaidu K   Cho Kelly K   Choquet Hélène H   Correa Adolfo A   Danesh John J   Di Angelantonio Emanuele E   Dimou Niki N   Ding Jingzhong J   Elliott Paul P   Esko Tõnu T   Evans Michele K MK   Floyd James S JS   Broer Linda L   Grarup Niels N   Guo Michael H MH   Greinacher Andreas A   Haessler Jeff J   Hansen Torben T   Howson Joanna M M JMM   Huang Qin Qin QQ   Huang Wei W   Jorgenson Eric E   Kacprowski Tim T   Kähönen Mika M   Kamatani Yoichiro Y   Kanai Masahiro M   Karthikeyan Savita S   Koskeridis Fotis F   Lange Leslie A LA   Lehtimäki Terho T   Lerch Markus M MM   Linneberg Allan A   Liu Yongmei Y   Lyytikäinen Leo-Pekka LP   Manichaikul Ani A   Martin Hilary C HC   Matsuda Koichi K   Mohlke Karen L KL   Mononen Nina N   Murakami Yoshinori Y   Nadkarni Girish N GN   Nauck Matthias M   Nikus Kjell K   Ouwehand Willem H WH   Pankratz Nathan N   Pedersen Oluf O   Preuss Michael M   Psaty Bruce M BM   Raitakari Olli T OT   Roberts David J DJ   Rich Stephen S SS   Rodriguez Benjamin A T BAT   Rosen Jonathan D JD   Rotter Jerome I JI   Schubert Petra P   Spracklen Cassandra N CN   Surendran Praveen P   Tang Hua H   Tardif Jean-Claude JC   Trembath Richard C RC   Ghanbari Mohsen M   Völker Uwe U   Völzke Henry H   Watkins Nicholas A NA   Zonderman Alan B AB   Wilson Peter W F PWF   Li Yun Y   Butterworth Adam S AS   Gauchat Jean-François JF   Chiang Charleston W K CWK   Li Bingshan B   Loos Ruth J F RJF   Astle William J WJ   Evangelou Evangelos E   van Heel David A DA   Sankaran Vijay G VG   Okada Yukinori Y   Soranzo Nicole N   Johnson Andrew D AD   Reiner Alexander P AP   Auer Paul L PL   Lettre Guillaume G  

Cell 20200901 5


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<sup>-9</sup>, 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 associate  ...[more]

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