Somatostatin acts at many sites to inhibit the release of many hormones and other secretory proteins. The biologic effects of somatostatin are probably mediated by a family of G protein-coupled receptors that are expressed in a tissue-specific manner. SSTR4 is a member of the superfamily of receptors having seven transmembrane segments and is expressed in highest levels in fetal and adult brain and lung.[6]
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"Somatostatin Receptors: sst4".IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology. Archived fromthe original on 2016-03-03. Retrieved2008-12-09.
