Article: article from journal or magazin.
Review (review): journal as complete as possible of one specific subject, written based on exhaustive analyses from published work.
The ubiquitin-proteasome system in prostate cancer and its transition to castration resistance.
Publication types: Journal Article ; Review
Prostate cancer is the most common carcinoma in the male population. In its initial stage, the disease is androgen-dependent and responds therapeutically to androgen deprivation treatment but it usually progresses after a few years to an androgen-independent phase that is refractory to hormonal manipulations. The proteasome is a multi-unit protease system that regulates the abundance and function of a significant number of cell proteins, and its inhibition results in cancer cell growth inhibition and apoptosis and is already exploited in the clinic with the use of proteasome inhibitor bortezomib in multiple myeloma. In order to be recognized by the proteasome, a target protein needs to be linked to a chain of the small protein ubiquitin. In this paper, we review the role of ubiquitin-proteasome system (UPS) in androgen receptor-dependent transcription as well as in the castration resistant stage of the disease, and we discuss therapeutic opportunities that UPS inhibition offers in prostate cancer.
Androgen Antagonists/therapeutic use, Antineoplastic Agents, Hormonal/therapeutic use, Drug Resistance, Neoplasm/physiology, Humans, Male, Prostatic Neoplasms/metabolism, Prostatic Neoplasms/physiopathology, Proteasome Endopeptidase Complex/metabolism, Ubiquitin/metabolism
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