Abstract

A consensus does not exist regarding the nature of mechanisms linking the initial events of CCl4 metabolism to emergence of the classical indices of CCl4 liver cell injury. The possibility that a CCl4-dependent disturbance of intrahepatocellular calcium homeostasis might be a linking mechanism was investigated with isolated hepatocytes in suspension. CCl4-dependent inhibition of very low density lipoprotein secretion was studied. On the basis of kinetic data, dose-response data, and failure of elevated cytosolic calcium levels to inhibit lipid secretion, it was concluded that disturbed intracellular calcium homeostasis probably is not important in CCl4-dependent inhibition of secretion of very low density lipoproteins.

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