Antiproliferative effect of somatostatin and analogs

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Published on Wednesday, 24 July 2013

Abstract

Over the past decade, antiproliferative effects of somatostatin and analogs have been reported in many somatostatin receptor-positive normal and tumor cell types.

Regarding the molecular mechanisms involved, somatostatin or analogs mediate their action through both indirect and direct effects. Somatostatin acts through five somatostatin receptors (SSTR1-5) which are variably expressed in normal and tumor cells.

These receptors regulate a variety of signal transduction pathways including inhibition of adenylate cyclase, regulation of ion channels, regulation of serine/threonine and tyrosine kinases and phosphatases.

This review focuses on recent advances in biological mechanisms involved in the antineoplastic activity of somatostatin and analogs.

 

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