Isolation of a fibrin-binding fragment from blood coagulation factor XIII capable of cross-linking fibrin(ogen)
نویسندگان
چکیده
منابع مشابه
Fibrin cross-linking in congenital factor XIII deficiency.
Homozygous patients with factor XIII deficiency are devoid of immunologically identifiable A protein, the active enzymatic component. Quantitative studies of transamidase activity of the factor are available in only a few cases, and the fibrin cross-linking pattern is not well known. The present paper deals with the quantitative estimation of factor XIII transamidase activity (dansylcadaverine ...
متن کاملCharacterization of fragment E from fibrinogen and cross-linked fibrin.
Fragment E, a terminal plasmin digestion product of fibrinogen or fibrin, contains portions of the alpha, beta, and gamma chains linked by disulfide bonds. In this study, Fragment E from fibrinogen and fully cross-linked fibrin were purified by gel filtration of the soluble fraction from heated plasmin digests of either fibrinogen or fibrin or by step-wise chromatography of terminal plasmin dig...
متن کاملCleavage of blood coagulation factor XIII and fibrinogen by thrombin during in vitro clotting.
Thrombin cleavage of blood coagulation Factor XIII (a2b2) and fibrinogen was studied during in vitro clotting to determine the physiologic sequence of these events. First, the time course of fibrin formation and cleavage of Factor XIII was measured in platelet-rich plasma. Cleavage of fibrinogen was measured by using a radioimmunoassay for fibrinopeptide A. Conversion of trace amounts of radioi...
متن کاملIncorporation of thrombospondin into fibrin clots.
Thrombospondin is a major platelet glycoprotein which is released from platelets during blood coagulation. We examined the interaction of thrombospondin with polymerizing fibrin. Thrombospondin, purified from human platelets and labeled with 125I, became incorporated into clots formed from both plasma and purified fibrinogen. Plasma clots contained somewhat less thrombospondin than clots formed...
متن کاملRegulation of plasma factor XIII binding to fibrin in vitro.
The binding of plasma factor XIII to fibrinogen or fibrin that has been chemically or enzymatically induced to polymerize was studied. Factor XIII binding was assayed using a 3H-putrescine incorporation assay and an 125I-plasma factor XIII binding assay. More than 80% of the native and radiolabeled plasma factor XIII was bound to fibrin I formed by reptilase in EDTA, citrate, or heparin anticoa...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1988
ISSN: 0264-6021,1470-8728
DOI: 10.1042/bj2561013