The regulation of proteolysis in normal fibroblasts as they approach confluence. Evidence for the participation of the lysosomal system.

Abstract

The effect of the lysosomotropic agent NH4Cl and the proteinase inhibitors leupeptin, Z-Phe-Ala-CHN2 (benzyloxycarbonylphenylalanylalanyldiazomethane) and pepstatin on the degradation of intracellular proteins in Swiss 3T3 mouse and normal human fibroblasts in both the exponential and stationary (confluent) growth phases in nutritionally complete conditions… (More)

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