Novel Associations of Multiple Genetic Loci With Plasma Levels of Factor VII, Factor VIII, and von Willebrand Factor
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Abstract
BACKGROUND: Plasma levels of coagulation factors VII (FVII), VIII (FVIII), and von Willebrand factor (vWF) influence risk of hemorrhage and thrombosis. We conducted genome-wide association studies to identify new loci associated with plasma levels. METHODS AND RESULTS: The setting of the study included 5 community-based studies for discovery comprising 23 608 European-ancestry participants: Atherosclerosis Risk In Communities Study, Cardiovascular Health Study, British 1958 Birth Cohort, Framingham Heart Study, and Rotterdam Study. All subjects had genome-wide single-nucleotide polymorphism (SNP) scans and at least 1 phenotype measured: FVII activity/antigen, FVIII activity, and vWF antigen. Each study used its genotype data to impute to HapMap SNPs and independently conducted association analyses of hemostasis measures using an additive genetic model. Study findings were combined by meta-analysis. Replication was conducted in 7604 participants not in the discovery cohort. For FVII, 305 SNPs exceeded the genome-wide significance threshold of 5.0x10(-8) and comprised 5 loci on 5 chromosomes: 2p23 (smallest P value 6.2x10(-24)), 4q25 (3.6x10(-12)), 11q12 (2.0x10(-10)), 13q34 (9.0x10(-259)), and 20q11.2 (5.7x10(-37)). Loci were within or near genes, including 4 new candidate genes and F7 (13q34). For vWF, 400 SNPs exceeded the threshold and marked 8 loci on 6 chromosomes: 6q24 (1.2x10(-22)), 8p21 (1.3x10(-16)), 9q34 (<5.0x10(-324)), 12p13 (1.7x10(-32)), 12q23 (7.3x10(-10)), 12q24.3 (3.8x10(-11)), 14q32 (2.3x10(-10)), and 19p13.2 (1.3x10(-9)). All loci were within genes, including 6 new candidate genes, as well as ABO (9q34) and VWF (12p13). For FVIII, 5 loci were identified and overlapped vWF findings. Nine of the 10 new findings were replicated. CONCLUSIONS: New genetic associations were discovered outside previously known biological pathways and may point to novel prevention and treatment targets of hemostasis disorders.
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The record
- Venue
- Circulation
- Topic
- Blood Coagulation and Thrombosis Mechanisms
- Field
- Medicine
- Canadian institutions
- —
- Funders
- National Eye InstituteNational Human Genome Research InstituteNational Heart, Lung, and Blood InstituteMedical Research CouncilNational Institutes of HealthVetenskapsrådetStockholms Läns LandstingKnut och Alice Wallenbergs StiftelseHjärt-LungfondenZonMwNational Center for Research ResourcesFondation LeducqKing's College LondonUniversity of LeedsNational Institute on AgingNational Institute for Health and Care ResearchErasmus Medisch CentrumDirectorate for Biological SciencesGlaxoSmithKlineCedars-Sinai Medical CenterNederlandse Organisatie voor Wetenschappelijk OnderzoekBiotechnology and Biological Sciences Research CouncilWellcome TrustEuropean CommissionSchool of Medicine, Boston UniversityRoyal SocietyNational Institute of Diabetes and Digestive and Kidney DiseasesSanofiUniversity of MinnesotaScottish GovernmentUppsala UniversitetErasmus Universiteit RotterdamInstitute of GeneticsAstraZenecaU.S. Public Health ServiceEli Lilly and Company
- Keywords
- MedicineVon Willebrand factorFactor (programming language)Internal medicineGeneticsPlateletBiology
- Has abstract in OpenAlex
- yes