GRKs as Key Modulators of Opioid Receptor Function

Understanding the link between agonist-induced phosphorylation of the mu-opioid receptor (MOR) and the associated physiological effects is critical for the development of novel analgesic drugs and is particularly important for understanding the mechanisms responsible for opioid-induced tolerance and...

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Main Authors: Laura Lemel, J Robert Lane, Meritxell Canals
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/9/11/2400
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author Laura Lemel
J Robert Lane
Meritxell Canals
author_facet Laura Lemel
J Robert Lane
Meritxell Canals
author_sort Laura Lemel
collection DOAJ
description Understanding the link between agonist-induced phosphorylation of the mu-opioid receptor (MOR) and the associated physiological effects is critical for the development of novel analgesic drugs and is particularly important for understanding the mechanisms responsible for opioid-induced tolerance and addiction. The family of G protein receptor kinases (GRKs) play a pivotal role in such processes, mediating phosphorylation of residues at the C-tail of opioid receptors. Numerous strategies, such as phosphosite specific antibodies and mass spectrometry have allowed the detection of phosphorylated residues and the use of mutant knock-in mice have shed light on the role of GRK regulation in opioid receptor physiology. Here we review our current understanding on the role of GRKs in the actions of opioid receptors, with a particular focus on the MOR, the target of most commonly used opioid analgesics such as morphine or fentanyl.
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spelling doaj.art-824c4c2f05f54840bce7eaf516bf63742023-11-20T19:32:14ZengMDPI AGCells2073-44092020-11-01911240010.3390/cells9112400GRKs as Key Modulators of Opioid Receptor FunctionLaura Lemel0J Robert Lane1Meritxell Canals2Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham NG7 2UH, UKDivision of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham NG7 2UH, UKDivision of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham NG7 2UH, UKUnderstanding the link between agonist-induced phosphorylation of the mu-opioid receptor (MOR) and the associated physiological effects is critical for the development of novel analgesic drugs and is particularly important for understanding the mechanisms responsible for opioid-induced tolerance and addiction. The family of G protein receptor kinases (GRKs) play a pivotal role in such processes, mediating phosphorylation of residues at the C-tail of opioid receptors. Numerous strategies, such as phosphosite specific antibodies and mass spectrometry have allowed the detection of phosphorylated residues and the use of mutant knock-in mice have shed light on the role of GRK regulation in opioid receptor physiology. Here we review our current understanding on the role of GRKs in the actions of opioid receptors, with a particular focus on the MOR, the target of most commonly used opioid analgesics such as morphine or fentanyl.https://www.mdpi.com/2073-4409/9/11/2400opioidGPCRGRKkinases
spellingShingle Laura Lemel
J Robert Lane
Meritxell Canals
GRKs as Key Modulators of Opioid Receptor Function
Cells
opioid
GPCR
GRK
kinases
title GRKs as Key Modulators of Opioid Receptor Function
title_full GRKs as Key Modulators of Opioid Receptor Function
title_fullStr GRKs as Key Modulators of Opioid Receptor Function
title_full_unstemmed GRKs as Key Modulators of Opioid Receptor Function
title_short GRKs as Key Modulators of Opioid Receptor Function
title_sort grks as key modulators of opioid receptor function
topic opioid
GPCR
GRK
kinases
url https://www.mdpi.com/2073-4409/9/11/2400
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AT meritxellcanals grksaskeymodulatorsofopioidreceptorfunction