mGlu5 Receptor Functional Interactions and Addiction.

Frontiers in Pharmacology
Robyn M BrownA J Lawrence

Abstract

The idea of "receptor mosaics" is that proteins may form complex and dynamic networks with respect to time and composition. These have the potential to markedly expand the diversity and specificity of G protein-coupled receptors (GPCR) signaling, particularly in neural cells, where a few key receptors have been implicated in many neurological and psychiatric disorders, including addiction. Metabotropic glutamate type 5 receptors (mGlu5) can form complexes with other GPCRs, including adenosine A(2A) and dopamine D(2) receptors. mGlu5-containing complexes have been reported in the striatum, a brain region critical for mediating the rewarding and incentive motivational properties of drugs of abuse. mGlu5-containing complexes and/or downstream interactions between divergent receptors may play roles in addiction-relevant behaviors. Interactions between mGlu5 receptors and other GPCRs can regulate the rewarding and conditioned effects of drugs as well as drug-seeking behaviors. mGlu5 complexes may influence striatal function, including GABAergic output of striatopallidal neurons and glutamatergic input from corticostriatal afferents. Given their discrete localization, mGlu5-[non-mGlu5] receptor interactions and/or mGlu5-containing co...Continue Reading

Citations

Nov 15, 2013·Alcoholism, Clinical and Experimental Research·Susanne JonssonBo Söderpalm
Apr 2, 2013·Current Opinion in Neurobiology·Megan K Mahoney, Mary C Olmstead
Jun 16, 2017·Scientific Reports·Jiaman DaiZheng Qin Yin

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Methods Mentioned

BETA
pharmacotherapies
co-immunoprecipitation

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