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Mini-Reviews in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1389-5575
ISSN (Online): 1875-5607

Role of Polymorphisms in Factor V (FV Leiden), Prothrombin, Plasminogen Activator Inhibitor Type-1 (PAI-1), Methylenetetrahydrofolate Reductase (MTHFR) and Cystathionine β-Synthase (CBS) Genes as Risk Factors for Thrombophilias

Author(s): A. L. Miranda-Vilela

Volume 12, Issue 10, 2012

Page: [997 - 1006] Pages: 10

DOI: 10.2174/138955712802762338

Price: $65

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Abstract

Thrombophilias are defined as a predisposition to thrombosis due to hematological changes which induce blood hypercoagulability; they can be inherited or acquired. They are individually characterized by a large phenotypic variability, even when they occur within the same family. Hereditary thrombophilias are, in most cases, due to changes related to physiological coagulation inhibitors or mutations in the genes of coagulation factors. High levels of plasma homocysteine may also be responsible for vaso-occlusive episodes and may have acquired (nutritional deficiencies of folate and vitamins B6 and B12) and/or genetic causes (mutations in the genes responsible for expression of enzymes involved in the intracellular metabolism of homocysteine). Considering that: (1) thromboses are events of multigenic and multifactorial etiopathology; (2) the presence of mutations in several genes significantly increases the risk of their occurrence; (3) the vascular territory (venous and/or arterial) affected involves different pathophysiological mechanisms and treatments, knowledge of genetic variants that may contribute to the risk and variability of the phenotypic manifestations of these diseases is extremely important. This understanding may provide support for a more individualized and therefore more effective treatment for thrombophilia carriers. Thus, this mini-review aims to address a comprehensive summary of thrombophilias and thrombosis, and discuss the role of polymorphisms in Factor V (FV Leiden), Prothrombin, Plasminogen activator inhibitor type-1 (PAI-1), Methylenetetrahydrofolate reductase (MTHFR) and Cystathionine β-synthase (CBS) genes as risk factors for thrombophilias.

Keywords: Coagulation factors, thrombosis, thrombophilias, gene polymorphisms, hypercoagulability, fibrinolysis.


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