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Peptide and Peptide-Like Modulators of 20S Proteasome Enzymatic Activity in Cancer Cells.


ABSTRACT: The involvement of the ubiquitin-proteasome pathway in the degradation of critical intracellular regulatory proteins suggested a few years ago the potential use of proteasome inhibitors as novel therapeutic agents being applicable in many different disease indications, and in particular for cancer therapy. This article reviews recent salient medicinal chemistry achievements in the design, synthesis, and biological characterization of both synthetic and natural peptide-like proteasome inhibitors, updating recent reviews on this class of agents. As shown herein, different compound classes are capable of modulating the subunit-specific proteolytic activities of the 20S proteasome in ways not previously possible, and one of them, bortezomib, has provided proof-of-concept for this therapeutic approach in cancer clinical settings.

SUBMITTER: Garcia-Echeverria C 

PROVIDER: S-EPMC2710986 | biostudies-other | 2006 Mar

REPOSITORIES: biostudies-other

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