Abstract
Hepatic stellate cells (HSC) play a key role in liver fibrogenesis. Activation of PPARγ and inhibition of fibrogenic molecules are potential strategies to block HSC activation and differentiation. Aware that the process of hepatic fibrosis involves inflammatory mediators, various anti-inflammatory substances have been studied in an attempt to revert fibrosis. The purpose of this study was to investigate the in vitro effects of fructose-1,6-bisphosphate (FBP) on HSC phenotype reversion. The results demonstrated that FBP induced quiescent phenotype in GRX cells via PPARγ activation. Significant decrease in type I collagen mRNA expression was observed in the first 24h of treatment. These events preceded the reduction of TGF-β1 and total collagen secretion. Thus, FBP promoted downregulation of HSC activation by its antifibrotic action. These findings demonstrate that FBP may have potential as a novel therapeutic agent for the treatment of liver fibrosis.
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