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Biomolecules 2012, 2(2), 240-255; doi:10.3390/biom2020240

The Role of the Small Ubiquitin-Related Modifier (SUMO) Pathway in Prostate Cancer

*  and
Department of Medical Oncology, University of Thessaly School of Medicine, University Hospital of Larissa, Biopolis 41110, Larissa, Greece
* Author to whom correspondence should be addressed.
Received: 15 March 2012 / Revised: 28 March 2012 / Accepted: 9 April 2012 / Published: 23 April 2012
(This article belongs to the Special Issue Protein SUMOylation)
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SUMO (small ubiquitin-related modifier) conjugation is a reversible three-step process of protein post-translational modifications mediating protein-protein interactions, subcellular compartmentalization and regulation of transcriptional events. Among divergent transcription factors regulated by SUMOylation and deSUMOylation, the androgen receptor (AR) is of exceptional significance, given its established role in prostate carcinogenesis. The enzymes of the SUMO pathway can have diverse effects on AR transcriptional activity, either via direct modification of the AR or through modification of AR co-regulators. Accumulating in vitro and in vivo evidence implicates the SUMO pathway in AR-dependent signaling. Prostate cancer cell proliferation and hypoxia-induced angiogenesis are also regulated by the SUMO pathway, through an AR-independent mechanism. Thus, an important role has been revealed for members of the SUMO pathway in prostate cancer (PCa) development and progression, offering new therapeutic targets.
Keywords: SUMO; SENP; androgen receptor; prostate cancer SUMO; SENP; androgen receptor; prostate cancer
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Vlachostergios, P.J.; Papandreou, C.N. The Role of the Small Ubiquitin-Related Modifier (SUMO) Pathway in Prostate Cancer. Biomolecules 2012, 2, 240-255.

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