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Mayo Clin Proc. 2000 Jun;75(6):595-604.

Prothrombin G20210A polymorphism and thrombophilia.

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  • 1Department of Internal Medicine, University of Texas, Southwestern Medical School, Dallas 75235, USA.

Abstract

Recently, a single mutation in the 3'-untranslated region of the prothrombin gene was reported, resulting in a G-to-A substitution. This finding added to the growing list of genetic disorders thought to be responsible for familial thrombophilia. Although most studies generally agree about the increased risk of venous thrombosis in individuals carrying this mutation, its role in the first event of venous thromboembolism and in recurrent events is unclear. Even less clear is the role this mutation has in the formation of arterial thrombosis (including coronary artery disease and cerebral ischemia) due to contradicting results of studies. This mutation has important clinical implications since it is a common cause of genetic thrombophilia, second only to the factor V Leiden mutation. However, the mutation by itself may not be enough to trigger disease because thromboembolic disease is now generally accepted as a multifactorial disorder. Careful evaluation of this mutation will augment the clinician's ability to stratify systematically an individual's risk of developing spontaneous thrombosis.

PMID:
10852421
[PubMed - indexed for MEDLINE]
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