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Toxicol Ind Health. 2013 Nov;29(10):875-87. doi: 10.1177/0748233712446728. Epub 2012 May 23.

Lipoic acid mitigates bisphenol A-induced testicular mitochondrial toxicity in rats.

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1Department of Medical Laboratories Technology, Taibah University, Madinah, Saudi Arabia.


Bisphenol A (BPA) is one of the highest volume chemicals produced worldwide. BPA is used in the production of polycarbonate plastics and epoxy resins used in manufacturing plastic baby bottles and lining of food cans. In this study, we investigated the BPA-induced testicular oxidative stress and perturbation of mitochondrial marker enzymes in male albino rats and its amelioration by α-lipoic acid (LA). Rats were administered a dose of BPA (10 mg/kg body weight) orally for 14 days. This resulted in decreased testes weight, total testicular protein content, testicular enzymes such as acid phosphatase, alkaline phosphatase and lactate dehydrogenase and decline in activities of marker mitochondrial enzymes such as succinate dehydrogenase, malate dehydrogenase, isocitrate dehydrogenase, monoamine oxidase and NADH dehydrogenase. The serum testosterone and total antioxidant status were reduced. Besides, it also affected the activities of testicular antioxidant enzymes such as glutathione reductase, glutathione peroxidase, superoxide dismutase and catalase. BPA also caused lipid peroxidation and decrease in reduced glutathione content of mitochondria. The co-administration of LA (20 mg/kg body weight; orally for 14 days) together with BPA resulted in restoration of the mitochondrial marker enzyme activities and increasing enzymatic and non-enzymatic antioxidants of mitochondria. The obtained results demonstrated that LA has a potential role in mitigating BPA-induced mitochondrial toxicity through antioxidant mechanism or by direct free radical scavenging activity.


Bisphenol A; alpha lipoic acid; mitochondrial enzymes; oxidative stress; rats; testes

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