Novel GPR43 agonists exert an anti-Inflammatory effect in a colitis model

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Title
Novel GPR43 agonists exert an anti-Inflammatory effect in a colitis model
Author(s)
Bioh Park; Jong Soon Kang; S Paudel; Sung Goo ParkByoung Chul Park; S B Han; Y S Kwak; Jeong Hoon Kim; Sunhong Kim
Bibliographic Citation
Biomolecules & Therapeutics, vol. 30, no. 1, pp. 48-54
Publication Year
2022
Abstract
GPR43 (also known as FFAR2), a metabolite-sensing G-protein-coupled receptor stimulated by short-chain fatty acid (SCFA) ligands is involved in innate immunity and metabolism. GPR43 couples with Gαi/o and Gαq/11 heterotrimeric proteins and is capable of decreasing cyclic AMP and inducing Ca2+ flux. The GPR43 receptor has additionally been shown to bind β-arrestin 2 and inhibit inflammatory pathways, such as NF-ΚB. However, GPR43 shares the same ligands as GPR41, including acetate, propionate, and butyrate, and determination of its precise functions in association with endogenous ligands, such as SCFAs alone, therefore remains a considerable challenge. In this study, we generated novel synthetic agonists that display allosteric modulatory effects on GPR43 and downregulate NF-ΚB activity. In particular, the potency of compound 187 was significantly superior to that of preexisting compounds in vitro. However, in the colitis model in vivo, compound 110 induced more potent attenuation of inflammation. These novel allosteric agonists of GPR43 clearly display anti-inflammatory potential, supporting their clinical utility as therapeutic drugs.
Keyword
GPR43Allosteric agonistsAnti-inflammationNF-κB
ISSN
1976-9148
Publisher
Korea Soc-Assoc-Inst
DOI
http://dx.doi.org/10.4062/biomolther.2021.078
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of Bioinfrastructure > Laboratory Animal Resource Center > 1. Journal Articles
Division of Biomedical Research > Disease Target Structure Research Center > 1. Journal Articles
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