Introduction of GPR84
Probable G-protein coupled receptor 84 (GPR84) is a protein that in humans is encoded by the GPR84 gene. The gene locates to chromosome 12q13.13, and its coding sequence is not interrupted by introns. It turned out that GPR84 belongs to the Th1 specific subset genes. Gene Ontology (GO) annotations related to this gene include G-protein coupled receptor activity. Among the related pathways of GPR84 are innate immune system and signaling by GPCR. Activation by medium-chain free fatty acid is coupled to a pertussis toxin sensitive G (i/o) protein pathway. May have important roles in processes from fatty acid metabolism to regulation of the immune system.
|Basic Information of GPR84|
|Protein Name||G-protein coupled receptor 84|
|Aliases||Inflammation-related G-protein coupled receptor EX33, EX33|
|Organism||Homo sapiens (Human)|
Function of GPR84 Membrane Protein
The importance of GPCRs in the regulation of β-catenin signaling and tumorigenesis has been increasingly recognized. A recent report has identified GPR84 as a leukemia stem cell-specific gene. GPR84 may also play a proinflammatory role and can be used as a novel target to treat chronic low-grade inflammation associated-disease. Microglia surrounds the amyloid plaques that form in the brains of patients with Alzheimer's disease (AD) and these cells can express GPR84 under inflammatory conditions. GPR84 acts as a sensor for a yet unknown ligand that promotes microglia recruitment, thus preventing further cognitive decline by playing a role in amyloid pathology.
Fig.1 The Gi protein-coupled receptor GPR84, which is activated by (hydroxy) fatty acids, is highly expressed on immune cells. (Pillaiyar, 2017)
Application of GPR84 Membrane Protein in Literature
The results reveal a previously unrecognized role of GPR84 in maintaining fully developed acute myeloid leukemia (AML) by sustaining aberrant β-catenin signaling in LSCs. It suggests that targeting the oncogenic GPR84/β-catenin signaling axis may represent a novel therapeutic strategy for AML.
The article reports that GPR84 acts as a sensor for a yet unknown ligand that promotes microglia recruitment, thus preventing further cognitive decline by playing a role in amyloid pathology.
The authors in this group found that GPR84 is a proinflammatory receptor and may be a novel target to treat chronic low-grade inflammation associated-disease.
This article focuses on the mutation analysis and molecular modeling for the investigation of ligand-binding modes of GPR84. The results suggest that diindolylmethane is a positive allosteric modulator for GPR84.
This article evaluates the roles of Gpr84 in immune regulation. It shows that Gpr84 may play a role in directly linking fatty acid metabolism to immunological regulation.
GPR84 Preparation Options
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