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Article Publish Status: FREE
Abstract Title:

Berberine attenuate staphylococcal enterotoxin B-mediated acute liver injury via regulating HDAC expression.

Abstract Source:

AMB Express. 2018 Oct 1 ;8(1):158. Epub 2018 Oct 1. PMID: 30276552

Abstract Author(s):

Jiying Du, Xiaohua Ding, Xiaoqin Zhang, Xinyu Zhao, Huidong Shan, Fanping Wang

Article Affiliation:

Jiying Du

Abstract:

Staphylococcal enterotoxin B (SEB) has been documented to be implicated in the pathogenesis of liver injury in the experimental models of hepatitis. However, the underlying mechanism of SEB-induced acute liver injury (ALI) remains to be further explored. In our study, we explored the therapeutic effectiveness of berberine (BBR), a natural isoquinoline alkaloid, in the SEB-induced ALI. In our study, we found that injection of SEB into D-galactosamine (D-gal)-sensitized mice induced ALI, as demonstrated by an increase of levels of alanine aminotransferase and aspartate aminotransferase, massive infiltration of immune cells into the liver, and pro-inflammatory cytokine release. However, intragastric administration of BBR attenuated SEB-induced ALI in mice. Meanwhile, we discovered that BBR treatment suppressed activation of splenocytes and pro-inflammatory cytokine release in SEB-stimulated splenocytes. Moreover, mechanistic analyses demonstrated that BBR was effective at inhibiting the expression of class I HDAC, but not class II, in SEB-stimulated splenocytes. Furthermore, trichostatin A, a standard HDAC inhibitor, alleviated activation of splenocytes and pro-inflammatory cytokine release in SEB-stimulated splenocytes. Taken together, we inferred from these results that BBR attenuated SEB-mediated ALI through repressing the class I HDAC enzyme, suggesting that BBR may constitute a novel therapeutic modality to prevent SEB-mediated inflammation and ALI.

Study Type : Animal Study

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Sayer Ji
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