Abstract Title:

Paeonia lactiflora Pall. regulates the NF-κB-NLRP3 inflammasome pathway to alleviate cholestasis in rats.

Abstract Source:

J Pharm Pharmacol. 2018 Dec ;70(12):1675-1687. Epub 2018 Sep 14. PMID: 30277564

Abstract Author(s):

Xiao Ma, Jian-Xia Wen, Si-Jia Gao, Xuan He, Peng-Yan Li, Yu-Xue Yang, Shi-Zhang Wei, Yan-Ling Zhao, Xiao-He Xiao

Article Affiliation:

Xiao Ma


OBJECTIVES: Cholestasis is a critical risk factor for severe hepatic disease or cirrhosis. The anti-inflammatory effect of Paeonia lactiflora Pall. (PLP), named Chishao in traditional Chinese medicine (TCM), on alpha-naphthylisothiocyanate (ANIT)-induced cholestasis model was tried to be elucidated in this research.

METHODS: Therapeutic effect indices on hepatic function, including ALT, AST, TBIL, DBIL, ALP, TBA andγ-GT, were measured. To further investigate the protective mechanism of PLP, the mRNA and protein expression levels of NF-κB-NLRP3 inflammasome pathway were detected.

RESULTS: Our results showed that compared with the model group, PLP could significantly reduce the increased serum indices such as ALT, AST, TBIL, DBIL, ALP, TBA andγ-GT induced by ANIT in a dose-dependent way. Moreover, we found that PLP downregulated the mRNA expression levels including IKK, p65, NLRP3, caspase-1 and IL-1β, especially at the large dose. Furthermore, PLP also significantly inhibited NF-κB-NLRP3 inflammasome pathway by decreasing the proteinlevels of p65, p-p65, p-IKK, NLRP3, caspase-1 and IL-1β.

CONCLUSIONS: The results indicated that PLP could ameliorate ANIT-induced cholestasis in rats and the anti-inflammatory effect of PLP might be related to regulating NF-κB-NLRP3 inflammasome pathway. This study will provide scientific evidence for PLP as a potential drug candidate for cholestasis.

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Sayer Ji
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