rs8050894
| Orientation | plus | 
| Stabilized | plus | 
| Geno | Mag | Summary | 
|---|---|---|
| (C;C) | 2.1 | warfarin sensitivity (~2.5 mg/day) | 
| (C;G) | average warfarin response (~5 mg/day) | |
| (G;G) | 2.1 | warfarin resistance (~6.5 mg/day) | 
| Reference | GRCh38 38.1/141 | 
| Chromosome | 16 | 
| Position | 31093188 | 
| Gene | VKORC1 | 
| is a | snp | 
| is | mentioned by | 
| dbSNP | rs8050894 | 
| dbSNP (classic) | rs8050894 | 
| ClinGen | rs8050894 | 
| ebi | rs8050894 | 
| HLI | rs8050894 | 
| Exac | rs8050894 | 
| Gnomad | rs8050894 | 
| Varsome | rs8050894 | 
| LitVar | rs8050894 | 
| Map | rs8050894 | 
| PheGenI | rs8050894 | 
| Biobank | rs8050894 | 
| 1000 genomes | rs8050894 | 
| hgdp | rs8050894 | 
| ensembl | rs8050894 | 
| geneview | rs8050894 | 
| scholar | rs8050894 | 
| rs8050894 | |
| pharmgkb | rs8050894 | 
| gwascentral | rs8050894 | 
| openSNP | rs8050894 | 
| 23andMe | rs8050894 | 
| SNPshot | rs8050894 | 
| SNPdbe | rs8050894 | 
| MSV3d | rs8050894 | 
| GWAS Ctlg | rs8050894 | 
| Merged from | Rs17886369 | 
| GMAF | 0.4904 | 
| Max Magnitude | 2.1 | 
| ? | (C;C) (C;G) (G;G) | 28 | 
|---|---|---|
| 
 
 
  | ||
rs8050894, is located on chromosome 16 in the gene VKORC1.  VKORC1 is the primary target of the drug warfarin (Coumadin), a commonly used oral anticoagulant.  rs8050894 is one of several polymorphisms found in VKORC1 that is associated with specific warfarin doses ([PMID 15930419]).  Other polymorphisms in VKORC1 (rs7196161, rs9923231, rs9934438, rs2359612) are equally predictive of warfarin dose requirement in both European and Asian-descent individuals.
Other polymorphisms found in the gene cytochrome P450 2C9 (CYP2C9) influence the metabolism of warfarin and have a smaller effect on warfarin dose. These polymorphisms are rs1799853 (CYP2C9*2) and rs1057910 (CYP2C9*3).
[PMID 18841283] In several hundred Europeans, no association was found between rs8050894 and risk for ischemic stroke.
[PMID 19436136
] Association of sequence variations in vitamin K epoxide reductase and gamma-glutamyl carboxylase genes with biochemical measures of vitamin K status
[PMID 21179439
] VKORC1 common variation and bone mineral density in the Third National Health and Nutrition Examination Survey
[PMID 17387222
] Genetic-based dosing in orthopedic patients beginning warfarin therapy.
[PMID 17456829
] Evaluation of genetic factors for warfarin dose prediction.
[PMID 18252229
] Warfarin pharmacogenetics: CYP2C9 and VKORC1 genotypes predict different sensitivity and resistance frequencies in the Ashkenazi and Sephardi Jewish populations.
[PMID 18305455
] Use of pharmacogenetic and clinical factors to predict the therapeutic dose of warfarin.
[PMID 18466099
] Influence of CYP2C9 and VKORC1 on warfarin dose, anticoagulation attainment and maintenance among European-Americans and African-Americans.
[PMID 18523153
] Regulatory polymorphism in vitamin K epoxide reductase complex subunit 1 (VKORC1) affects gene expression and warfarin dose requirement.
[PMID 18559094
] Warfarin dose and INR related to genotypes of CYP2C9 and VKORC1 in patients with myocardial infarction.
[PMID 18752379
] Warfarin pharmacogenetics.
[PMID 18809808
] Ethnic differences in cardiovascular drug response: potential contribution of pharmacogenetics.
[PMID 18855533
] VKORC1 polymorphisms, haplotypes and haplotype groups on warfarin dose among African-Americans and European-Americans.
[PMID 19074728
] Relative contribution of CYP2C9 and VKORC1 genotypes and early INR response to the prediction of warfarin sensitivity during initiation of therapy.
[PMID 19228618
] Estimation of the warfarin dose with clinical and pharmacogenetic data.
[PMID 19955245
] Warfarin sensitivity genotyping: a review of the literature and summary of patient experience.
[PMID 21359226
] The genomic ancestry of individuals from different geographical regions of Brazil is more uniform than expected.
[PMID 23662025
] Genetic variation and haplotype structure of the gene Vitamin K epoxide reductase complex, subunit 1 in the Tamilian population
[PMID 23133420
] Pharmacogenomic Diversity among Brazilians: Influence of Ancestry, Self-Reported Color, and Geographical Origin.
| ClinVar | |
|---|---|
| Risk | Rs8050894(G;G) rs8050894(T;T) | 
| Alt | Rs8050894(G;G) rs8050894(T;T) | 
| Reference | Rs8050894(C;C) | 
| Significance | Drug-response | 
| Disease | warfarin response - Dosage | 
| Variation | info | 
| Gene | VKORC1 | 
| CLNDBN | warfarin response - Dosage | 
| Reversed | 0 | 
| HGVS | NC_000016.9:g.31104509C>G | 
| CLNSRC | PharmGKB Clinical Annotation | 
| CLNACC | RCV000211369.1, | 
