Platelet von Willebrand factor: comparison with plasma von Willebrand factor. 1985

H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick

Platelet von Willebrand factor (vWf) was compared to its plasma counterpart. The platelet vWf was different from plasma vWf in that the multimeric organization was different, larger multimers were present, and the ratio of vWf activity to antigen was higher. Platelet and plasma vWf were similar in their antigenic reactivity in the electroimmunoassay and by liquid phase radioimmunoassay. The amount of vWf activity in large platelets was significantly higher than in normal platelets while the antigen content, although somewhat higher, was not significant. These studies show differences between normal platelet and plasma vWf, and also suggest that platelet size must be considered when platelet vWf is measured in disease states.

UI MeSH Term Description Entries
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D001779 Blood Coagulation Factors Endogenous substances, usually proteins, that are involved in the blood coagulation process. Clotting Factor,Coagulation Factors,Blood Coagulation Factor,Clotting Factors,Coagulation Factor,Coagulation Factor, Blood,Coagulation Factors, Blood,Factor, Coagulation,Factors, Coagulation,Factor, Blood Coagulation,Factor, Clotting,Factors, Blood Coagulation,Factors, Clotting
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D001797 Blood Protein Electrophoresis Electrophoresis applied to BLOOD PROTEINS. Hemoglobin Electrophoresis,Electrophoresis, Blood Protein,Electrophoresis, Hemoglobin,Protein Electrophoresis, Blood
D005169 Factor VIII Factor VIII of blood coagulation. Antihemophilic factor that is part of the factor VIII/von Willebrand factor complex. Factor VIII is produced in the liver and acts in the intrinsic pathway of blood coagulation. It serves as a cofactor in factor X activation and this action is markedly enhanced by small amounts of thrombin. Coagulation Factor VIII,Factor VIII Clotting Antigen,Factor VIII Coagulant Antigen,Factor VIII Procoagulant Activity,Thromboplastinogen,Blood Coagulation Factor VIII,F VIII-C,Factor 8,Factor 8 C,Factor Eight,Factor VIIIC,Hyate-C,Hyatt-C,F VIII C,Hyate C,HyateC,Hyatt C,HyattC
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000941 Antigens Substances that are recognized by the immune system and induce an immune reaction. Antigen
D014841 von Willebrand Factor A high-molecular-weight plasma protein, produced by endothelial cells and megakaryocytes, that is part of the factor VIII/von Willebrand factor complex. The von Willebrand factor has receptors for collagen, platelets, and ristocetin activity as well as the immunologically distinct antigenic determinants. It functions in adhesion of platelets to collagen and hemostatic plug formation. The prolonged bleeding time in VON WILLEBRAND DISEASES is due to the deficiency of this factor. Factor VIII-Related Antigen,Factor VIIIR-Ag,Factor VIIIR-RCo,Plasma Factor VIII Complex,Ristocetin Cofactor,Ristocetin-Willebrand Factor,von Willebrand Protein,Factor VIII Related Antigen,Factor VIIIR Ag,Factor VIIIR RCo,Ristocetin Willebrand Factor

Related Publications

H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
July 2017, Journal of thrombosis and haemostasis : JTH,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
October 1986, Thrombosis research,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
June 2019, Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
October 1989, The American journal of medicine,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
October 1978, Blood,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
May 1986, American journal of hematology,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
November 1987, Thrombosis research,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
October 1985, The Journal of clinical investigation,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
December 1979, Nihon Ketsueki Gakkai zasshi : journal of Japan Haematological Society,
H R Gralnick, and S B Williams, and L P McKeown, and D M Krizek, and B C Shafer, and M E Rick
April 1970, Journal of clinical pathology,
Copied contents to your clipboard!