The protective impact of berberine against doxorubicin-induced nephrotoxicity.

PMID: 

Tissue Cell. 2021 Aug 2 ;73:101612. Epub 2021 Aug 2. PMID: 34371291

Abstract Title: 

The protective impact of berberine against doxorubicin-induced nephrotoxicity in rats.

Abstract: 

Doxorubicin (DOX) is a well-known anti-neoplastic agent that is widely employed to treat several types of malignancies. The current study was designed to investigate the renoprotective potential of berberine (BEB) on the doxorubicin (DOX)-induced nephrotoxicity and renal fibrosis. Rats were allocated into four groups; Negative Control, DOX nephrotoxic-induced group received a single dose of DOX (20 mg/kg, i.p.), BEB-group received (50 mg/kg, p.o.) for 14 days, and co-treatment group BEB + DOX where rats were pre-treated with BEB for 10 successive days, then received a single dose of DOX on the 11th day, followed by 4 days of receiving BEB. DOX resulted in nephrotoxicity manifested by significant increments in urea, creatinine, and kidney injury molecule (KIM-1), these biochemical findings were supported with the histopathological lesions in renal tissues. Moreover, DOX provoked oxidative stress through enhancing renal malondialdehyde (MDA) and hydrogen peroxide (HO) contents, and decreased renal catalase (CAT) activity. DOX triggered renal fibrosis represented by increased transforming growth factor beta-1 (TGF-β1) and elevated collagen deposition. DOX stimulated apoptosis and inflammation in renal tissues as confirmed by increased immunoexpression of caspase-3 and NF-κB, respectively. These effects were alleviated by BEB co-treatment. Co-treatment with BEB markedly prohibited DOX-induced oxidative damage, inflammation, apoptosis, and fibrosis in renal tissue. Histopathological and immunohistochemical investigations showed the nephroprotective potential of BEB on renal injury, which was consistent with the biochemical findings. Accordingly, it could be concluded that the nephroprotective potentialof BEB against DOX-induced kidney injury and fibrosis might be mediated by the anti-oxidant, anti-inflammatory and anti-fibrosis activities.

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