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Evodiamine prevents dextran sulfate sodium-induced murine experimental colitis via the regulation of NF-κB and NLRP3 inflammasome


Evodiamine prevents dextran sulfate sodium-induced murine experimental colitis via the regulation of NF-κB and NLRP3 inflammasome



Biomedicine and PharmacoTherapy 110: 786-795



ISSN/ISBN: 0753-3322

PMID: 30554117

DOI: 10.1016/j.biopha.2018.12.033

Evodiamine (EVO), an extraction from the traditional Chinese medicine Evodia rutaecarpa, has been reported to possess anti-inflammatory, anti-tumor and other pharmacological activities. However, the effectiveness of EVO to relieve dextran sodium sulfate (DSS)-induced ulcerative colitis (UC) has not been evaluated. In this study, the protective effects and mechanisms of EVO on DSS-induced UC mice were investigated. The results indicated that treatment with EVO ameliorated DSS-induced UC mice body weight loss, disease activity index (DAI), colon length shortening, colonic pathological damage, and myeloperoxidase (MPO) activity. The production of TNF-α, IL-1β and IL-6 was also significantly inhibited by EVO. Further mechanistic results showed that EVO restrained the inflammation by regulating NF-κB signal and NLRP3 inflammasome. Furthermore, results also showed that EVO contributed to the tight junction (TJ) architecture integrity by modulating the expression of zonula occludens-1 (ZO-1) and occludin during colitis. Surprisingly, treatment with EVO reduced the concentration of plasmatic lipopolysaccharide (LPS) and re-balanced the levels of Escherichia coli and Lactobacillus. These findings suggested that EVO may have a potential protective effect on DSS-induced colitis and may be useful for the prevention and treatment of UC.

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Accession: 066010788

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