rs2227426

This variant is located in the FGB gene.

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GWAS Catalog Trait Associations (7)

Genome-wide significant associations (p < 5×10⁻⁸) from the NHGRI-EBI GWAS Catalog.

d-dimer measurement

Pietzner M et al. “Mapping the proteo-genomic convergence of human diseases.” Science (new York, N.y.) 374(6569):eabj1541 (2021)
Allele A
OR 0.19
p 2.0e-28
N 10,708
Large GWAS
European

fibrinogen gamma chain amount

Pietzner M et al. “Mapping the proteo-genomic convergence of human diseases.” Science (new York, N.y.) 374(6569):eabj1541 (2021)
Allele A
OR 0.18
p 1.0e-26
N 10,708
Large GWAS
European

circulating fibrinogen levels

Pietzner M et al. “Mapping the proteo-genomic convergence of human diseases.” Science (new York, N.y.) 374(6569):eabj1541 (2021)
Allele A
OR 0.18
p 4.0e-26
N 10,708
Large GWAS
European

blood sedimentation trait

Jacobs BM et al. “Genetic architecture of routinely acquired blood tests in a British South Asian cohort.” Nature Communications 15(1):8929 (2024)
Allele A
OR 0.09
p 5.0e-14
N 38,000
Large GWAS
South Asian

histidine measurement

Zoodsma M et al. “A genetic map of human metabolism across the allele frequency spectrum.” Nature Genetics 57(10):2445-2455 (2025)
Allele A
OR 0.02
p 2.0e-13
N 450,015
Large GWAS
multi-ancestry
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ClinVar annotation

Benign★☆☆☆
1 submitter

Congenital afibrinogenemia

View on ClinVar →

About FGB

The protein encoded by this gene is the beta component of fibrinogen, a blood-borne glycoprotein comprised of three pairs of nonidentical polypeptide chains. Following vascular injury, fibrinogen is cleaved by thrombin to form fibrin which is the most abundant component of blood clots. In addition, various cleavage products of fibrinogen and fibrin regulate cell adhesion and spreading, display vasoconstrictor and chemotactic activities, and are mitogens for several cell types. Fibrinogen serves key roles in hemostasis and antimicrobial host defense. Mutations in this gene lead to several disorders, including afibrinogenemia, dysfibrinogenemia, hypodysfibrinogenemia and thrombotic tendency. [provided by RefSeq, Aug 2020]

View all FGB variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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