Prostate-Specific G-Protein Coupled Receptor, an Emerging Biomarker Regulating Inflammation and Prostate Cancer Invasion

Author(s): M. Rodriguez, S. Siwko, M. Liu.

Journal Name: Current Molecular Medicine

Volume 16 , Issue 6 , 2016

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Abstract:

Prostate cancer is highly prevalent among men in developed countries, but a significant proportion of detected cancers remain indolent, never progressing into aggressive carcinomas. This highlights the need to develop refined biomarkers that can distinguish between indolent and potentially dangerous cases. The prostate-specific G-protein coupled receptor (PSGR, or OR51E2) is an olfactory receptor family member with highly specific expression in human prostate epithelium that is highly overexpressed in PIN and prostate cancer. PSGR has been functionally implicated in prostate cancer cell invasiveness, suggesting a potential role in the transition to metastatic PCa. Recently, transgenic mice overexpressing PSGR in the prostate were reported to develop an acute inflammatory response followed by emergence of low grade PIN, whereas mice with compound PSGR overexpression and loss of PTEN exhibited accelerated formation of invasive prostate adenocarcinoma. This article will review recent PSGR findings with a focus on its role as a potential prostate cancer biomarker and regulator of prostate cancer invasion and inflammation.

Keywords: Cancer biomarker, G protein coupled receptor, inflammation, invasion, olfactory receptor, PSGR, prostate cancer.

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Article Details

VOLUME: 16
ISSUE: 6
Year: 2016
Page: [526 - 532]
Pages: 7
DOI: 10.2174/1566524016666160607091333
Price: $58

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