Demethyleneberberine Protects against Hepatic Fibrosis in Mice by Modulating NF-κB Signaling
AbstractDemethyleneberberine (DMB) is an essential metabolite of Berberine (BBR) in vivo. Recent reports have revealed multiple novel therapeutic applications of BBR. However, the pharmacological activities of DMB remain to be elucidated. This study aimed to demonstrate the hepatoprotective and anti-fibrotic effects of DMB both in vitro and in vivo. Here we showed that DMB protects against thioacetamide (TAA)-induced hepatic fibrosis in mice and exhibits a higher safety profile as compared to BBR. Flow cytometry and Western blotting analysis showed that DMB is able to suppress the activation of hepatic stellate cells (HSCs) and induce cell apoptosis through the nuclear factor-κB (NF-κB) cascade. Immunohistochemical (IHC) and quantitative polymerase chain reaction (qPCR) analysis indicated that DMB also has inhibitory effects on collagen synthesis and is able to increase collagen degradation by blocking the transforming growth factor β 1 (TGF-β1)-Smad signaling and reducing the expression of matrix metalloproteinases (MMPs) and tissue inhibitors of MMP (TIMPs). These findings indicate that DMB has the potential to attenuate hepatic fibrosis via suppressing HSC activation. View Full-Text
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Wang, Y.; Zhao, Z.; Yan, Y.; Qiang, X.; Zhou, C.; Li, R.; Chen, H.; Zhang, Y. Demethyleneberberine Protects against Hepatic Fibrosis in Mice by Modulating NF-κB Signaling. Int. J. Mol. Sci. 2016, 17, 1036.
Wang Y, Zhao Z, Yan Y, Qiang X, Zhou C, Li R, Chen H, Zhang Y. Demethyleneberberine Protects against Hepatic Fibrosis in Mice by Modulating NF-κB Signaling. International Journal of Molecular Sciences. 2016; 17(7):1036.Chicago/Turabian Style
Wang, Yongchen; Zhao, Zheng; Yan, Yan; Qiang, Xiaoyan; Zhou, Cuisong; Li, Ruiyan; Chen, Huan; Zhang, Yubin. 2016. "Demethyleneberberine Protects against Hepatic Fibrosis in Mice by Modulating NF-κB Signaling." Int. J. Mol. Sci. 17, no. 7: 1036.
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