Examining Thrombin Hydrolysis of the Factor XIII Activation Peptide Segment Leads to a Proposal for Explaining the Cardioprotective Effects Observed with the Factor XIII V34L Mutation
نویسندگان
چکیده
منابع مشابه
Examining thrombin hydrolysis of the factor XIII activation peptide segment leads to a proposal for explaining the cardioprotective effects observed with the factor XIII V34L mutation.
In the blood coagulation cascade, thrombin cleaves fibrinopeptides A and B from fibrinogen revealing sites for fibrin polymerization that lead to insoluble clot formation. Factor XIII stabilizes this clot by catalyzing the formation of intermolecular cross-links in the fibrin network. Thrombin activates the Factor XIII a(2) dimer by cleaving the Factor XIII activation peptide segment at the Arg...
متن کاملThe factor XIII V34L polymorphism accelerates thrombin activation of factor XIII and affects cross-linked fibrin structure.
Factor XIII on activation by thrombin cross-links fibrin. A common polymorphism Val to Leu at position 34 in the FXIII A subunit is under investigation as a risk determinant of thrombosis. Because Val34Leu is close to the thrombin cleavage site, the hypothesis that it would alter the function of FXIII was tested. Analysis of FXIII subunit proteolysis by thrombin using sodium dodecyl sulfate-pol...
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15 صفحه اولFactor XIII deficiency: a review of literature
Coagulaon factor XIII gene, protein structure and funcon Coagulaon factor XIII (FXIII) is a tetrameric (FXIII- A2B2) pro-transglutaminase enzyme with an essenal role in the final stage of coagulaon cascade by cross linking the fibrin monomers and stabilizing the fibrin clot. Congenital FXIII deficiency is a rare bleeding disorder, with an autosomal recessive trait inheritance, and a fre...
متن کاملAspirin alters the cardioprotective effects of the factor XIII Val34Leu polymorphism.
BACKGROUND The mechanism underlying decreased risk for myocardial infarction in carriers of the Leu34 polymorphism of the factor (F) XIII A-subunit is unclear. Given that acetylation of fibrinogen by aspirin can alter its clotting properties and the presence of fibrin stimulates thrombin-mediated activation of FXIII, we have tested the hypothesis that treatment with aspirin differentially modul...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2000
ISSN: 0021-9258
DOI: 10.1074/jbc.m000209200