Resistance to activated protein C caused by a factor V gene mutation

Zöller, BengtLund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups (författare)

Each year, approximately one in 1000 individuals suffers from venous thromboembolism. The pathogenesis of the disease is multifactorial and a thrombotic event is the result of a combination of genetic and circumstantial risk factors. Until recently, genetic defects could only be identified in a minority of thrombosis patients. The discovery of inherited resistance to activated protein C as a risk factor for thrombosis changed the situation for the better. In Western countries, activated protein C resistance is found in 20% to 60% of patients with thrombosis. Activated protein C resistance is caused by a single point mutation in the Factor V gene, leading to replacement of Arg(R)506 in the activated protein C cleavage site of Factor V with a Gln(Q). As a result, the activated protein C-mediated cleavage and inhibition of mutated Factor V (FV:Q506) is impaired, which leads to increased thrombin generation, a hypercoagulable state, and a life-long increased risk of thrombosis.

MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Läkemedelskemi hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine Medicinal Chemistry hsv//eng
anticoagulant agent
blood clotting factor 5
protein C
aged
drug resistance
genetic predisposition
genetics
human
point mutation
review
risk factor
thrombophlebitis

Dahlbäck, BjörnLund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups(Swepub:lu)klke-bda (författare)
Klinisk kemi, MalmöForskargrupper vid Lunds universitet (creator_code:org_t)

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