Abstract:
:Chronic nonalcoholic steatohepatitis (NASH) is a metabolic disorder that often leads to liver fibrosis, a condition with limited therapy options. Adiponectin is an adipocytokine that regulates glucose and lipid metabolism via binding to its receptors AdipoR1 and AdipoR2, and AdipoRs signaling is reported to enhance fatty acid oxidation and glucose uptake. Here, we synthesize and report an adiponectin-based agonist JT003, which potently improves insulin resistance in high fat diet induced NASH mice and suppresses hepatic stellate cells (HSCs) activation in CCl4 induced liver fibrosis. Mechanistic studies indicate that JT003 simultaneously stimulates AdipoR1- and AdipoR2- mediated signaling pathways as well as the PI3K-Akt pathway. Moreover, JT003 treatment significantly improves ER-mitochondrial axis function, which contributes to the reduced HSCs activation. Thus, the AdipoR1/AdipoR2 dual agonist improves both NASH and fibrosis in mice models, which provides the pharmacological and biological foundation for developing AdipoRs-based therapeutic agents on liver fibrosis.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Xu H,Zhao Q,Song N,Yan Z,Lin R,Wu S,Jiang L,Hong S,Xie J,Zhou H,Wang R,Jiang Xdoi
10.1038/s41467-020-19668-ysubject
Has Abstractpub_date
2020-11-16 00:00:00pages
5807issue
1issn
2041-1723pii
10.1038/s41467-020-19668-yjournal_volume
11pub_type
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