Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 134, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2020.111063
Keywords
Diacerein; Liver ischemia-reperfusion; Inflammatory pathway; L-FABP
Funding
- King Saud University, Riyadh, Saudi Arabia [RSP-2020/200]
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The study demonstrated that diacerein pretreatment can reduce liver enzyme levels, oxidative stress, and hepatic inflammation by down-regulating the TLR4/NF kappa-B signaling pathway to restore the damaging effects of liver I/R. This hepatoprotective effect is attributed to the antioxidant and anti-inflammatory properties of diacerein, highlighting its potential as a therapeutic agent for liver I/R injury.
Purpose: Liver ischemia-reperfusion (I/R) injury is an inescapable problem. Diacerein, a chondro-protective drug, has antioxidant and anti-inflammatory effects. Its effect on liver I/R injury has not yet been fully clarified. Therefore, the current study aimed to detect its hepatic protective effect with the explanation of possible underlying mechanisms. Methods: Adult male albino rats were assigned to 4 groups: sham group, diacerein pretreated sham group, I/R non-treated group, and I/R diacerein pretreated group. Serum liver enzymes, hepatic tissue oxidative stress parameters, inflammatory biomarkers mainly Toll-like receptors-4 (TLR4), and liver fatty acid binding protein (L-FABP) levels were determined. Histopathological examination of liver tissues and immunohistochemical studies of heat shock protein 70, nuclear factor-kappa B, and Cluster of Differentiation 68 were also done. Results: Diacerein pretreatment has the ability to restore the hepatic I/R damaging effect, proved by the reduction of serum liver enzymes, the decrease of the oxidative stress and hepatic inflammation via down-regulation of TLR4/ NF kappa-B signaling pathway together with the restoration of L-FABP level and improvement of the histopathological and immunohistochemical study findings in the hepatic tissue. Conclusion: These results suggested the hepatoprotective effect of diacerein relies on its antioxidant and anti-inflammatory effects reducing TLR4/NF kappa-B signaling pathway.
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