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The proteasome: a new target for novel drug therapies.

Authors
Type
Published Article
Journal
American journal of clinical pathology
Publication Date
Volume
116
Issue
5
Pages
637–646
Identifiers
PMID: 11710679
Source
Medline
License
Unknown

Abstract

The proteasome is an enzyme present in all cells, from yeast to human, and has a central role in the proteolytic degradation of the vast majority of intracellular proteins. Among the key proteins modulated by the proteasome are those involved in controlling inflammatory processes, cell cycle regulation, and gene expression. As such, agents that inhibit the proteasome have been shown to be active in numerous animal models of inflammation and cancer Two proteasome inhibitors are under clinical evaluation. PS-519 is being studied for the treatment of reperfusion injury that occurs following cerebral ischemia and myocardial infarction. The other, PS-341, has recently entered multiple phase 2 clinical trials for the treatment of multiple myeloma, chronic lymphocytic leukemia, and a variety of solid tumors. The proteasome may have an important role in the evolution of HIV-related disorders including AIDS and inflammatory disorders. Therapeutic strategies using proteasome inhibitors for the treatment of these conditions have now entered preclinical development.

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