Abstract
Opioid peptides and their G protein-coupled receptors (GPCRs) are important regulators within the cardiovascular system, implicated in modulation of electrophysiological function, heart rate, myocardial inotropy, vascular function, and cellular stress resistance. The opioid system is also involved in cardiovascular development, adaptation to injury and effects of advanced age. The significant roles of opioids are emphasized by the observation that the heart produces prodynorphin and proenkephalin, which are enzymatically processed from small to large active polypeptides. Indeed, depending on species, cardiac preproenkephalin mRNA levels are comparable to or higher than those found in the central nervous system. This review highlights and discusses current knowledge and recent findings regarding physiological and pathophysiological modulation of the heart and vessels by the opioid receptor system.
Keywords: Opioid peptide, opioid receptor, cardiovascular system, cytoprotection, G protein-coupled receptors (GPCRs), electrophysiological function, heart rate, myocardial inotropy, vascular function, cellular stress resistance.
Current Pharmaceutical Design
Title:Non-Analgesic Effects of Opioids: Cardiovascular Effects of Opioids and their Receptor Systems
Volume: 18 Issue: 37
Author(s): John P. Headrick, Salvatore Pepe and Jason N. Peart
Affiliation:
Keywords: Opioid peptide, opioid receptor, cardiovascular system, cytoprotection, G protein-coupled receptors (GPCRs), electrophysiological function, heart rate, myocardial inotropy, vascular function, cellular stress resistance.
Abstract: Opioid peptides and their G protein-coupled receptors (GPCRs) are important regulators within the cardiovascular system, implicated in modulation of electrophysiological function, heart rate, myocardial inotropy, vascular function, and cellular stress resistance. The opioid system is also involved in cardiovascular development, adaptation to injury and effects of advanced age. The significant roles of opioids are emphasized by the observation that the heart produces prodynorphin and proenkephalin, which are enzymatically processed from small to large active polypeptides. Indeed, depending on species, cardiac preproenkephalin mRNA levels are comparable to or higher than those found in the central nervous system. This review highlights and discusses current knowledge and recent findings regarding physiological and pathophysiological modulation of the heart and vessels by the opioid receptor system.
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Cite this article as:
P. Headrick John, Pepe Salvatore and N. Peart Jason, Non-Analgesic Effects of Opioids: Cardiovascular Effects of Opioids and their Receptor Systems, Current Pharmaceutical Design 2012; 18 (37) . https://dx.doi.org/10.2174/138161212803582360
DOI https://dx.doi.org/10.2174/138161212803582360 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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