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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Cucurbitacin-B attenuates CCl4 -induced hepatic fibrosis in mice through inhibition of STAT-3.

Abstract Source:

Chem Biol Drug Des. 2017 Dec 17. Epub 2017 Dec 17. PMID: 29250925

Abstract Author(s):

Alaliaa M Sallam, Ahmed Esmat, Ashraf B Abdel-Naim

Article Affiliation:

Alaliaa M Sallam

Abstract:

Liver fibrosis is a major health concern worldwide. Inhibitors of Signal Transducer and Activator of Transcription 3 (STAT3) have been reported to attenuate experimental liver fibrosis. Therefore, the aim of this study was to investigate the potential ameliorative effect of cucurbitacin-B (Cucu-B) against CCl4 -induced liver fibrosis in mice. Treatment with Cucu-B (5 mg/kg) preserved hepatocellular membrane integrity and amended the metabolic function as indicated by preventing the rise of serum liver function markers. This was confirmed histologically. CCl4 -induced oxidative stress was improved by Cucu-B treatment (1 and 5 mg/kg). Furthermore, Cucu-B treatment ameliorated the fibrotic state as evidenced by inhibiting the rise of hydroxyproline liver content and mitigating the overexpressions of collagen-1α, α-smooth muscle actin (α-SMA) and transforming growth factor beta (TGF-β) as well as the downexpression of matrix metalloproteinase-2 (MMP-2)mRNA. Importantly, STAT3 activity was inhibited by Cucu-B as confirmed by decreased phosphorylation of STAT3 without changing total STAT3 expression. This was substantiated by the reduced Bcl-2 together with increased Bax mRNA expressions with subsequent elevation of Bax/Bcl-2 ratio. In conclusion,Cucu-B hampers CCl4 -induced liver fibrosis in mice. This can be attributed-at least partly-to inhibition of oxidative stress, inflammation and STAT3 signalling.

Study Type : Animal Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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