✦ LIBER ✦

Tumor target prostate specific membrane antigen (PSMA) and its regulation in prostate cancer

✍ Scribed by Arundhati Ghosh; Warren D.W. Heston

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 177 KB
Volume: 91
Category: Article
ISSN: 0730-2312
DOI: 10.1002/jcb.10661

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✦ Synopsis

Abstract

Prostate specific membrane antigen (PSMA), is a unique membrane bound glycoprotein, which is overexpressed manifold on prostate cancer as well as neovasculature of most of the solid tumors, but not in the vasculature of the normal tissues. This unique expression of PSMA makes it an important marker as well as a large extracellular target of imaging agents. PSMA can serve as target for delivery of therapeutic agents such as cytotoxins or radionuclides. PSMA has two unique enzymatic functions, folate hydrolase and NAALADase and found to be recycled like other membrane bound receptors through clathrin coated pits. The internalization property of PSMA leads one to consider the potential existence of a natural ligand for PSMA. In this review we have discussed the regulation of PSMA expression within the cells, and significance of its expression in prostate cancer and metastasis. © 2003 Wiley‐Liss, Inc.

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