Introduction of GPR88
Probable G-protein coupled receptor 88 (GPR88) is a protein that in humans is encoded by the GPR88 gene. Among its related pathways are GPCRs, Other. Gene Ontology (GO) annotations related to this gene include G-protein coupled receptor activity. A previous study found that GPR88 plays an important role in the physiology of dorsal striatal projection neurons and in behaviors involving this brain region.
|Basic Information of GPR88|
|Protein Name||Probable G-protein coupled receptor 88|
|Aliases||Striatum-specific G-protein coupled receptor, STRG|
|Organism||Homo sapiens (Human)|
Function of GPR88 Membrane Protein
The GPR88 gene is a G protein-coupled receptor found almost exclusively in the striatum, a brain structure that controls motor function and cognition. Defects in this gene are related to learning difficulties, speech delay, some neuropsychiatric disorders, and chorea. Probable G-protein coupled receptor implicated in a large repertoire of behavioral responses that engage motor activities, spatial learning, and emotional processing and may play a role in the regulation of cognitive and motor function. Several diseases are associated with GPR88, such as chorea, Childhood-Onset, With Psychomotor Retardation.
Fig.1 Knockout of GPR88 leads to hyperexcitation and more regular firing patterns in striatal MSNs, as well as impairment in cued response learning. (Lovinger, 2012)
Application of GPR88 Membrane Protein in Literature
The article reports that GPR88 activity shapes the mouse brain functional and structural connectome. Connectivity alterations and behavior deficits were observed in Gpr88-deficient mice.
The article points out that the expression of GPR88 is crucial to efficiently integrate effort and energy density information guiding instrumental selection. Both humans and mice with nonfunctional GPR88 have been shown to present striatal dysfunctions and impaired learning.
Authors in this group found that Gpr88 expressed in A2AR neurons enhances ethological anxiety-like behaviors without affecting conflict anxiety and fear responses.
This article focuses on the developmental and adult expression patterns of the G-protein-coupled receptor GPR88 in the rat. The results suggest that nonclassical GPCR modes of action of GPR88 could be relevant for cortical development and psychiatric disorders.
This article reports that GPR88 is implicated in a large repertoire of behavioral responses that engage motor activity, spatial learning, and emotional processing, which indicates that the therapeutic potential of GPR88 may extend to cognitive and anxiety disorders.
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