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The effects of diabetes on fatty acid oxidation in platelets was determined in streptozotocin-induced diabetic rats. In platelets isolated from diabetes, the oxygen consumption which reflects mainly the degree of fatty acid oxidation and ADP- and thrombin-induced aggregation were increased as compared to non-diabetic rat platelets. Carnitine(More)
Saponin-permeabilization (30 micrograms/ml) of the platelet plasma membrane, which enables access of added compounds to mitochondrial overt carnitine palmitoyltransferase (CPT I), was applied to allow the rapid determination of CPT I activity in situ. The effects of diabetes and short-term incubation with insulin in vitro on the kinetic parameters and(More)
The effects of tributyltin (TBT) on cytosolic Ca(2+) concentration ([Ca(2+)](c)) and cell viability were investigated in nerve growth factor-differentiated PC12 cells. TBT concentration dependently increased [Ca(2+)](c) with an EC(50) value of 0.07μM. This effect was markedly reduced by removal of the extracellular Ca(2+) or membrane depolarization with a(More)
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