Biology of somatostatin in breast cancer

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Published on Thursday, 20 March 2014

Abstract

The biological effects of the neuropeptide somatostatin (SST) are mediated via a family of five somatostatin receptors (SSTRs) belonging to a family of G-protein-coupled receptors (GPCRs).

SSTR regulate the secretion of hormones, growth factors, neurotransmission and cell growth in receptor-specific manner. In addition, SST plays an inhibitory role in several mammary cancer models.

These effects are mediated both indirectly through inhibition of hormones and growth factors which promote tumor growth as well as directly via SSTRs present on tumor cells to inhibit mitogenic signaling of growth factor receptor kinases leading to growth arrest and induction of apoptosis.

Here, we present an overview on the role of SST and its analogs in breast cancer.

 

 

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See also:

- Somatostatin in oncology, the overlooked evidences.