Mutat Res. 2001 Jan;432(3-4):61-7.

Identification of genetic variants in the human thromboxane synthase gene (CYP5A1).

Chevalier D, Lo-Guidice JM, Sergent E, Allorge D, Debuysère H, Ferrari N, Libersa C, Lhermitte M, Broly F.

Source

Laboratoire de Biochimie et Biologie Moléculaire, Hĵpital Calmette et, Faculté de Médecine, Lille, France. danychev@caramail.com

Abstract

Thromboxane synthase (CYP5A1) catalyzes the conversion of prostaglandin H2 to thromboxane A2, a potent mediator of platelet aggregation, vasoconstriction and bronchoconstriction. It has been implicated in the patho-physiological process of a variety of diseases, such as atherosclerosis, myocardial infarction, stroke and asthma. On the basis of the hypothesis that variations of the CYP5A1 gene may play an important role in human diseases, we performed a screening for variations in the human CYP5A1 gene sequence. We examined genomic DNA from 200 individuals, for mutations in the promoter region, the protein encoding sequences and the 3'-untranslated region of the CYP5A1. Eleven polymorphisms have been identified in the CYP5A1 gene including eight missense mutations R61H, D161E, N246S, L357V, Q417E, E450K, T451N and R466Q. This is the first report of genetic variants in the human CYP5A1 altering the protein sequence. The effect of these variants on the metabolic activity of CYP5A1 remains to be further evaluated.

PMID:: 11465543; [PubMed - indexed for MEDLINE]

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