Genetic Drivers of von Willebrand Factor Levels in an Ischemic Stroke Population and Association With Risk for Recurrent Stroke

Stroke; a Journal of Cerebral Circulation
Stephen R WilliamsGARNET (The Genomics and Randomized Trials Network) Collaborative Research Group

Abstract

von Willebrand factor (vWF) plays an important role in thrombus formation during cerebrovascular damage. We sought to investigate the potential role of circulating vWF in recurrent cerebrovascular events and identify genetic contributors to variation in vWF level in an ischemic stroke population. We analyzed the effect of circulating vWF on risk of recurrent stroke using survival models in the VISP trial (Vitamin Intervention for Stroke Prevention) and the use of vWF in reclassification over traditional factors. We conducted a genome-wide association study) with imputation, based on 1000 Genomes Project data, for circulating vWF levels and then interrogated loci previously associated with vWF levels. We performed expression quantitative trait locus analysis for vWF across different tissues. Elevated vWF levels were associated with increased risk for recurrent stroke in VISP. Adding vWF to traditional clinical parameters also improved recurrent stroke risk prediction. We identified single-nucleotide polymorphisms significantly associated with circulating vWF at the ABO locus (P<5×10-8) and replicated findings from previous genetic associations of vWF levels in humans. Expression quantitative trait locus analyses demonstrate that...Continue Reading

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Citations

Dec 1, 2018·Journal of Cellular and Molecular Medicine·Suli HuangJinquan Cheng
Jul 23, 2019·Genetic Epidemiology·Constanza RojoSündüz Keleş
May 1, 2020·Journal of Thrombosis and Haemostasis : JTH·Melissa M Lee-SundlovKarin M Hoffmeister
Jan 1, 2019·Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova·L T KhasanovaN A Shamalov
Jan 11, 2020·Frontiers in Immunology·Frederik DenormeSimon F De Meyer
Sep 13, 2020·Inflammation Research : Official Journal of the European Histamine Research Society ... [et Al.]·Toshiaki IbaJerrold H Levy
Apr 15, 2020·Translational Stroke Research·Huiting ZhangXiaotang Ma

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