Somatostatin is a widely distributed peptide hormone that plays an important inhibitory role in several biological processes, including neurotransmission, exocrine and endocrine secretions, and cell proliferation (Ref.1). Somatostatin acts via a family of five GPCRs (G-Protein-Coupled Receptors) SSTR1-SSTR5 (Somatostatin Receptors) that are variably expressed throughout numerous tissues ranging from the CNS (Central Nervous System) to the Endocrine and Immune Systems. Somatostatin antiproliferative action results either from inh...
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