Proteasome inhibitors shorten replicative life span and induce a senescent-like phenotype of human fibroblasts.

Abstract excerpt

The proteasome constitutes the main non-lysosomal cellular protease activity, and plays a crucial role not only in the disposal of unwanted material, but also in the regulation of numerous cellular processes. Previously, we have reported that during the replicative senescence of WI-38 fibroblasts there is a significant impairment in proteasome activity, which probably has important implications in the control of...

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