WZ66, a novel acetyl-CoA carboxylase inhibitor, alleviates nonalcoholic steatohepatitis (NASH) in mice
2019
The global prevalence of nonalcoholic
steatohepatitis(NASH) increases incredibly. NASH ends up to advanced liver disease, which is highly threatening to human health. Currently, treatment of NASH is very limited.
Acetyl-CoA carboxylases(ACC1/ACC2) are proved as effective drug targets for NASH. We aimed to develop novel ACC inhibitors and evaluate their therapeutic value for NASH prevention. ACC inhibitors were obtained through structure-based drug design, synthesized, screened from ACC enzymatic measurement platform and elucidated in cell culture-based assays and animal models. The
lipidomeand microbiome analysis were integrated to assess the effects of WZ66 on
lipids profilesin liver and plasma as well as gut microbiota in the intestine. WZ66 was identified as a novel ACC1/2 inhibitor. It entered
systemic circulationrapidly and could accumulate in liver. WZ66 alleviated NASH-related liver features including steatosis,
Kupffer cellsand
hepatic stellate cellsactivation in
diet-induced obesemice. The triglycerides (TGs) and other lipids including
diglycerides(DGs), phosphatidylcholine (PC) and
sphingomyelin(SM) were decreased in WZ66-treated mice as evidenced by
lipidomeanalysis in livers. The
lipids profilesin plasma were also altered with WZ66 treatment. Plasma TG were moderately increased, while the activation of SREBP1c was not detected. WZ66 also downregulated the abundance of
Allobaculum,
Mucispirillumand
Prevotellagenera as well as
Mucispirillum schaedlerispecies in gut microbiota. WZ66 is an ideal lead compound and a potential drug candidate deserving further investigation in the therapeutics of NASH.
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