Linkage between inherited resistance to activated protein C and factor V gene mutation in venous thrombosis

Research output: Contribution to journalArticlepeer-review

Abstract

Resistance to activated protein C (APC) is a major cause of familial thrombophilia, and can be corrected by an anticoagulant activity expressed by purified factor V. We investigated linkage between APC resistance and the factor V gene in a large kindred with familial thrombophilia. Restriction fragment length polymorphisms in exon 13 of the factor V gene were informative in 14 family members. The 100% linkage between factor V gene polymorphism and APC resistance strongly suggested a factor V gene mutation as a cause of APC resistance. A point mutation changing Arg506 in the APC cleavage site to a Gln was found in APC resistant individuals. These results suggest factor V gene mutation to be the most common genetic cause of thrombophilia.
Original languageEnglish
Pages (from-to)1536-1538
Number of pages3
JournalThe Lancet
Volume343
Issue number8912
Publication statusPublished - 1994

Subject classification (UKÄ)

  • Medicinal Chemistry

Free keywords

  • gentic linkage
  • factor V
  • point mutation
  • protein S deficiency
  • venous thromboembolism

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