Studies on Human Platelet Glycolysis. Effect of Glucose, Cyanide, Insulin, Citrate, and Agglutination and Contraction on Platelet Glycolysis*

AUTOR(ES)

Karpatkin, Simon

RESUMO

Evidence for a metabolically active plasma-free platelet system is presented. Glycogenolysis was found to be a potent pathway for lactate production. Aerobic glycolysis constituted a major fraction of glucose metabolized. Both insulin and cyanide increased lactate production in the presence of glucose. The Krebs cycle appeared to be operative for ATP synthesis when citrate was used as substrate. The first stages of gluconeogenesis were noted to be present. Glucose uptake contributed to increased lactate production.

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