alexa Somatostatin receptors.
Oncology

Oncology

Journal of Nuclear Medicine & Radiation Therapy

Author(s): Patel YC, Srikant CB

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Abstract The diverse biological effects of somatostatin (SRIF) are mediated by a family of G protein-coupled receptors (termed sst) that are encoded by five nonallelic genes located on separate chromosomes. The receptors can be further divided into two subfamilies: sst(2,3,5) react with octapeptide and hexapeptide SRIF analogues and belong to one subclass; sst(1,4) react poorly with these compounds and fall into another subclass. This review focuses on the molecular pharmacology and function of these receptors, with particular emphasis on the ligand-binding domain, subtype-selective analogues, agonist-dependent receptor regulation and desensitization responses, subtype-specific effector coupling, and signal transduction pathways responsible for inhibiting cell secretion and cell growth or induction of apoptosis.
This article was published in Trends Endocrinol Metab and referenced in Journal of Nuclear Medicine & Radiation Therapy

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