[Enzyme activities in normal platelets of different specific gravity (author's transl)]. 1977

O Nerke, and H C Benöhr, and U Thorau, and H D Waller

Platelets of normal persons were separated into five fractions by centrifugation in discontinuous Ficoll density gradients. Enzyme activities of lactic dehydrogenase, phosphoglycerate kinase, glyceraldehyde phosphate dehydrogenase, pyruvate kinase, glucose-6-phosphate dehydrogenase and content of protein were constantly higher in the heavy fraction IV compared with the light fraction I. With regard to the platelet volume, however, these differences were compensated almost completely.

UI MeSH Term Description Entries
D007770 L-Lactate Dehydrogenase A tetrameric enzyme that, along with the coenzyme NAD+, catalyzes the interconversion of LACTATE and PYRUVATE. In vertebrates, genes for three different subunits (LDH-A, LDH-B and LDH-C) exist. Lactate Dehydrogenase,Dehydrogenase, L-Lactate,Dehydrogenase, Lactate,L Lactate Dehydrogenase
D010735 Phosphoglycerate Kinase An enzyme catalyzing the transfer of a phosphate group from 3-phospho-D-glycerate in the presence of ATP to yield 3-phospho-D-glyceroyl phosphate and ADP. EC 2.7.2.3. Kinase, Phosphoglycerate
D011770 Pyruvate Kinase ATP:pyruvate 2-O-phosphotransferase. A phosphotransferase that catalyzes reversibly the phosphorylation of pyruvate to phosphoenolpyruvate in the presence of ATP. It has four isozymes (L, R, M1, and M2). Deficiency of the enzyme results in hemolytic anemia. EC 2.7.1.40. L-Type Pyruvate Kinase,M-Type Pyruvate Kinase,M1-Type Pyruvate Kinase,M2-Type Pyruvate Kinase,Pyruvate Kinase L,R-Type Pyruvate Kinase,L Type Pyruvate Kinase,M Type Pyruvate Kinase,M1 Type Pyruvate Kinase,M2 Type Pyruvate Kinase,Pyruvate Kinase, L-Type,Pyruvate Kinase, M-Type,Pyruvate Kinase, M1-Type,Pyruvate Kinase, M2-Type,Pyruvate Kinase, R-Type,R Type Pyruvate Kinase
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
D002469 Cell Separation Techniques for separating distinct populations of cells. Cell Isolation,Cell Segregation,Isolation, Cell,Cell Isolations,Cell Segregations,Cell Separations,Isolations, Cell,Segregation, Cell,Segregations, Cell,Separation, Cell,Separations, Cell
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D002499 Centrifugation, Density Gradient Separation of particles according to density by employing a gradient of varying densities. At equilibrium each particle settles in the gradient at a point equal to its density. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Centrifugations, Density Gradient,Density Gradient Centrifugation,Density Gradient Centrifugations,Gradient Centrifugation, Density,Gradient Centrifugations, Density
D005954 Glucosephosphate Dehydrogenase Glucose-6-Phosphate Dehydrogenase,Dehydrogenase, Glucose-6-Phosphate,Dehydrogenase, Glucosephosphate,Glucose 6 Phosphate Dehydrogenase
D005987 Glyceraldehyde-3-Phosphate Dehydrogenases Enzymes that catalyze the dehydrogenation of GLYCERALDEHYDE 3-PHOSPHATE. Several types of glyceraldehyde-3-phosphate-dehydrogenase exist including phosphorylating and non-phosphorylating varieties and ones that transfer hydrogen to NADP and ones that transfer hydrogen to NAD. GAPD,Glyceraldehyde-3-Phosphate Dehydrogenase,Glyceraldehydephosphate Dehydrogenase,Phosphoglyceraldehyde Dehydrogenase,Triosephosphate Dehydrogenase,Dehydrogenase, Glyceraldehyde-3-Phosphate,Dehydrogenase, Glyceraldehydephosphate,Dehydrogenase, Phosphoglyceraldehyde,Dehydrogenase, Triosephosphate,Dehydrogenases, Glyceraldehyde-3-Phosphate,Glyceraldehyde 3 Phosphate Dehydrogenase
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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