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Platelet-Related Variants Identified by Exomechip Meta-analysis in 157,293 Individuals

  • Global Lipids Genetics Consortium
  • , John D Eicher
  • , Nathalie Chami
  • , Tim Kacprowski
  • , Akihiro Nomura
  • , Ming-Huei Chen
  • , Lisa R Yanek
  • , Salman M Tajuddin
  • , Ursula M Schick
  • , Andrew J Slater
  • , Nathan Pankratz
  • , Linda Polfus
  • , Claudia Schurmann
  • , Ayush Giri
  • , Jennifer A Brody
  • , Leslie A Lange
  • , Ani Manichaikul
  • , W David Hill
  • , Raha Pazoki
  • , Paul Elliot
  • Evangelos Evangelou, Ioanna Tzoulaki, He Gao, Anne-Claire Vergnaud, Rasika A Mathias, Diane M Becker, Lewis C Becker, Amber Burt, David R Crosslin, Leo-Pekka Lyytikäinen, Kjell Nikus, Jussi Hernesniemi, Mika Kähönen, Emma Raitoharju, Nina Mononen, Olli T Raitakari, Terho Lehtimäki, Mary Cushman, Neil A Zakai, Deborah A Nickerson, Laura M Raffield, Rakale Quarells, Cristen J Willer, Gina M Peloso, Goncalo R Abecasis, Dajiang J Liu, Panos Deloukas, Nilesh J Samani, Heribert Schunkert, Jeanette Erdmann, Myriam Fornage
  • NHLBI's Framingham Heart Study
  • Harvard University
  • Johns Hopkins University
  • The National Institute of Environmental Health Sciences
  • University of Minnesota School of Public Health
  • Baylor College of Medicine
  • University of North Carolina
  • University College London
  • University of Washington, Seattle
  • University of Tampere School of Medicine
  • University of Turku
  • University of Vermont College of Medicine
  • Morehouse School of Medicine
  • University of Michigan
  • Pennsylvania State University
  • Queen Mary University of London
  • University of Leicester
  • Université de Montréal
  • Universität Greifswald
  • National Institute on Aging
  • Charles Bronfman Institute for Personalized Medicine
  • Vanderbilt University
  • University of Virginia
  • University of Edinburgh
  • Erasmus Medical College

Abstract

Platelet production, maintenance, and clearance are tightly controlled processes indicative of platelets' important roles in hemostasis and thrombosis. Platelets are common targets for primary and secondary prevention of several conditions. They are monitored clinically by complete blood counts, specifically with measurements of platelet count (PLT) and mean platelet volume (MPV). Identifying genetic effects on PLT and MPV can provide mechanistic insights into platelet biology and their role in disease. Therefore, we formed the Blood Cell Consortium (BCX) to perform a large-scale meta-analysis of Exomechip association results for PLT and MPV in 157,293 and 57,617 individuals, respectively. Using the low-frequency/rare coding variant-enriched Exomechip genotyping array, we sought to identify genetic variants associated with PLT and MPV. In addition to confirming 47 known PLT and 20 known MPV associations, we identified 32 PLT and 18 MPV associations not previously observed in the literature across the allele frequency spectrum, including rare large effect (FCER1A), low-frequency (IQGAP2, MAP1A, LY75), and common (ZMIZ2, SMG6, PEAR1, ARFGAP3/PACSIN2) variants. Several variants associated with PLT/MPV (PEAR1, MRVI1, PTGES3) were also associated with platelet reactivity. In concurrent BCX analyses, there was overlap of platelet-associated variants with red (MAP1A, TMPRSS6, ZMIZ2) and white (PEAR1, ZMIZ2, LY75) blood cell traits, suggesting common regulatory pathways with shared genetic architecture among these hematopoietic lineages. Our large-scale Exomechip analyses identified previously undocumented associations with platelet traits and further indicate that several complex quantitative hematological, lipid, and cardiovascular traits share genetic factors.
OriginalspracheEnglisch
ZeitschriftAmerican Journal of Human Genetics
Jahrgang99
Ausgabenummer1
Seiten (von - bis)40-55
Seitenumfang16
ISSN0002-9297
DOIs
PublikationsstatusVeröffentlicht - 07.07.2016

UN SDGs

Dieser Output leistet einen Beitrag zu folgendem(n) Ziel(en) für nachhaltige Entwicklung

  1. SDG 3 – Gesundheit und Wohlergehen
    SDG 3 – Gesundheit und Wohlergehen
  2. SDG 5 – Gender Equality
    SDG 5 – Gender Equality

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