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Abstract Title:

Protective role of wogonin against cadmium induced testicular toxicity: Involvement of antioxidant, anti-inflammatory and anti-apoptotic pathways.

Abstract Source:

Life Sci. 2020 Oct 1 ;258:118192. Epub 2020 Aug 8. PMID: 32781062

Abstract Author(s):

Wen Yu, Zhipeng Xu, Qingqiang Gao, Yang Xu, Bing Wang, Yutian Dai

Article Affiliation:

Wen Yu

Abstract:

The present study was conducted to identify possible health - promoting effects of wogonin (Wog) on testicular dysfunction in rats caused by cadmium. Pre-treatment of cadmium chloride (Cd: 5 mg/kg b.wt.) administered rats with wogonin (10 mg/kg b.wt) resulted in significant improvement in Cd-induced decrease in body and organ (testes and epididymides) weights. Wogonin treatment significantly improved Cd-induced reduction in sperm quality and quantity, steroidogenic gene (SFI, StAR, CYP11A1, 3β-HSD, CYP17A1 and 17β-HSD) and protein (SF1, StAR and CYP17A1) expressions and serum testosterone levels. Wogonin treatment provided significant protection to Cd-induced aggression in testicular oxidative (elevated levels of MDA) and anti-oxidative (diminished activities of SOD, CAT andGPx) status. Wog significantly up-regulated mRNA levels of Nrf2, NQO1 and HO-1 and down-regulation of Keap1 in cadmium treated testes. Wogonin administration significantly suppressed Cd-stimulated increase in inflammatory reactions (increase in NF-κB p65 DNA, p-IKKβ, TNF-α levels and decrease inIL-10 levels). Wogonin prevented apoptotic damage by enhanced protein distribution of caspase-9, caspase-3, and Bax due to Cd exposure. Furthermore, Wogonin presented significant protection to histo-morphometric changes resulted after Cd administration. Taken together, the findings of this study provided clear evidence of the therapeutic potential of Cd-induced testicular toxicity at least partly due to its antioxidant, anti-inflammatory and anti-apoptotic properties.

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