Glucose-6-phosphate dehydrogenase deficiency in human platelets and its effect on platelet aggregation. 1981

J Hofmann, and A Bosia, and P Arese, and W Lösche, and G P Pescarmona, and O Tazartes, and U Till

Platelets from patients with known red blood cell G-6-PD deficiency were investigated to find out whether this genetic defect is associated with changes in platelet aggregation. The enzyme defect in platelets could be verified by a decreased G-6-PD activity which was as low as 15% compared to control subjects. The decreased enzyme activity was reflected by lowered levels of NADPH and GSH and by a diminished maximum capacity of the hexose monophosphate shunt. Aggregation measurements in platelet-rich plasma from deficient patients revealed an enhanced dose response to ADP which was higher by about one order of magnitude compared to controls. The same effect was observed in a smaller degree in arachidonic acid induced aggregation.

UI MeSH Term Description Entries
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
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
D005954 Glucosephosphate Dehydrogenase Glucose-6-Phosphate Dehydrogenase,Dehydrogenase, Glucose-6-Phosphate,Dehydrogenase, Glucosephosphate,Glucose 6 Phosphate Dehydrogenase
D005955 Glucosephosphate Dehydrogenase Deficiency A disease-producing enzyme deficiency subject to many variants, some of which cause a deficiency of GLUCOSE-6-PHOSPHATE DEHYDROGENASE activity in erythrocytes, leading to hemolytic anemia. Deficiency of Glucose-6-Phosphate Dehydrogenase,Deficiency, GPD,Deficiency, Glucosephosphate Dehydrogenase,G6PD Deficiency,GPD Deficiency,Glucose 6 Phosphate Dehydrogenase Deficiency,Glucose-6-Phosphate Dehydrogenase Deficiency,Glucosephosphate Dehydrogenase Deficiencies,Hemolytic Anemia Due to G6PD Deficiency,Deficiencies, G6PD,Deficiencies, GPD,Deficiencies, Glucose-6-Phosphate Dehydrogenase,Deficiencies, Glucosephosphate Dehydrogenase,Deficiency of Glucose 6 Phosphate Dehydrogenase,Deficiency, G6PD,Deficiency, Glucose-6-Phosphate Dehydrogenase,Dehydrogenase Deficiencies, Glucose-6-Phosphate,Dehydrogenase Deficiencies, Glucosephosphate,Dehydrogenase Deficiency, Glucose-6-Phosphate,Dehydrogenase Deficiency, Glucosephosphate,G6PD Deficiencies,GPD Deficiencies,Glucose-6-Phosphate Dehydrogenase Deficiencies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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