Abstract
Ghrelin is a circulating peptide hormone involved in regulation of a wide array of physiological processes. As an endogenous ligand for growth hormone secretagogue receptor (GHSR1a), ghrelin is responsible for signaling involved in energy homeostasis, including appetite stimulation, glucose metabolism, insulin signaling, and adiposity. Ghrelin has also been implicated in modulation of several neurological processes. Dysregulation of ghrelin signaling is implicated in diseases related to these pathways, including obesity, type II diabetes, and regulation of appetite and body weight in patients with Prader-Willi syndrome. Multiple steps in the ghrelin signaling pathway are available for targeting in the development of therapeutics for these diseases. Agonists and antagonists of GHS-R1a have been widely studied and have shown varying levels of effectiveness within ghrelin-related physiological pathways. Agents targeting ghrelin directly, either through depletion of ghrelin levels in circulation or inhibitors of ghrelin O-acyltransferase whose action is required for ghrelin to become biologically active, are receiving increasing attention as potential therapeutic options. We discuss the approaches utilized to target ghrelin signaling and highlight the current challenges toward developing small-molecule agents as potential therapeutics for ghrelin-related diseases.
Keywords: Diabetes, ghrelin, ghrelin O-acyltransferase, GHS-R1a receptor, membrane-bound O-acyltransferase, obesity, Prader-Willi syndrome, spiegelmer.
Mini-Reviews in Medicinal Chemistry
Title:Progress in Small Molecule and Biologic Therapeutics Targeting Ghrelin Signaling
Volume: 16 Issue: 6
Author(s): Kayleigh R. McGovern, Joseph E. Darling and James L. Hougland
Affiliation:
Keywords: Diabetes, ghrelin, ghrelin O-acyltransferase, GHS-R1a receptor, membrane-bound O-acyltransferase, obesity, Prader-Willi syndrome, spiegelmer.
Abstract: Ghrelin is a circulating peptide hormone involved in regulation of a wide array of physiological processes. As an endogenous ligand for growth hormone secretagogue receptor (GHSR1a), ghrelin is responsible for signaling involved in energy homeostasis, including appetite stimulation, glucose metabolism, insulin signaling, and adiposity. Ghrelin has also been implicated in modulation of several neurological processes. Dysregulation of ghrelin signaling is implicated in diseases related to these pathways, including obesity, type II diabetes, and regulation of appetite and body weight in patients with Prader-Willi syndrome. Multiple steps in the ghrelin signaling pathway are available for targeting in the development of therapeutics for these diseases. Agonists and antagonists of GHS-R1a have been widely studied and have shown varying levels of effectiveness within ghrelin-related physiological pathways. Agents targeting ghrelin directly, either through depletion of ghrelin levels in circulation or inhibitors of ghrelin O-acyltransferase whose action is required for ghrelin to become biologically active, are receiving increasing attention as potential therapeutic options. We discuss the approaches utilized to target ghrelin signaling and highlight the current challenges toward developing small-molecule agents as potential therapeutics for ghrelin-related diseases.
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Cite this article as:
McGovern R. Kayleigh, Darling E. Joseph and Hougland L. James, Progress in Small Molecule and Biologic Therapeutics Targeting Ghrelin Signaling, Mini-Reviews in Medicinal Chemistry 2016; 16 (6) . https://dx.doi.org/10.2174/1389557515666150722101329
DOI https://dx.doi.org/10.2174/1389557515666150722101329 |
Print ISSN 1389-5575 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5607 |
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