" /> von Willebrand Factor - CISMeF





Preferred Label : von Willebrand Factor;

NCIt synonyms : vWFAg; Factor VIII Related Antigen; von Willebrand Factor Antigen; vWF; Coagulation Factor VIII VWF; Factor VIII-von Willebrand Factor;

NCIt definition : von Willebrand factor (2813 aa, 309 kDa) is encoded by the human VWF gene. This protein is involved in platelet adhesion and blood coagulation.;

NCIt note : Important in the maintenance of homeostasis, multimeric Factor VIII Related Antigen participates in platelet-vessel wall interactions by forming a non-covalent complex with coagulation factor VIII at sites of vascular injury, creating a surface to which platelets adhere. Plasma factor VIII related protein is a large glycoprotein component, synthesized by endothelial cells and megakaryocytes, that circulates in the plasma complexed with factor VIII. VWF contains three A domains, three C domains, four D domains, and one C-terminal cysteine knot-like domain. All cysteine residues of von Willebrand factor are involved in intrachain or interchain disulfide bonds. Defects in F8VWF are associated with various forms (types I-III) of von Willebrand disease (VWD). There are subtypes of type II VWD (A to H); type IIA is characterized by the absence of F8VWF multimers in plasma.; Human von Willebrand factor, a 270 kD multimeric plasma glycoprotein, has functional binding domains to platelet glycoprotein Ib, glycoprotein Iib/IIIa, collagen and heparin. It mediates platelet adhesion to injured vessel walls and serves as a carrier and stabiliser for coagulation factor VIII. It is expressed in endothelial cells, platelets, megakaryocytes and a number of tumors.;

NCI Metathesaurus CUI : CL1770518;

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11/05/2024


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