Cyanidin-3-O-glucoside protects against 1,3-dichloro-2-propanol-induced reduction of progesterone by up-regulation of steroidogenic enzymes and cAMP level in leydig cells

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Abstract

1,3-Dichloro-2-propanol (1,3-DCP) is a food processing contaminant and has been shown to perturb male reproductive function. Cyanidin-3-O-glucoside (C3G), an anthocyanin antioxidant, is reported to have protective effects on many organs. However, it remains unclear whether C3G protects against chemical-induced reproductive toxicity. The present study was therefore to investigate the intervention of C3G on 1,3-DCP-induced reproductive toxicity in R2C Leydig cells. Results demonstrated that C3G inhibited the 1,3-DCP-induced cytotoxicity and cell shape damage with the effective doses being ranging from 10 to 40 μmol/L. In addition, 1,3-DCP (2 mmol/L) exposure significantly increased the ROS level and mitochondrial membrane potential damage ratio, leading to a decrease in progesterone production, while C3G intervention reduced the ROS level, and increased the progesterone production after 24 h treatment. Most importantly, C3G intervention could up-regulate the cyclic adenosine monophosphate (cAMP) level and protein expression of steroidogenic acute regulatory protein and 3ß-hydroxysteroid dehydrogenase. It was concluded that C3G is effective in reducing 1,3-DCP-induced reproductive toxicity via activating steroidogenic enzymes and cAMP level.

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Sun, J., Xu, W., Zhu, C., Hu, Y., Jiang, X., Ou, S., … Bai, W. (2016). Cyanidin-3-O-glucoside protects against 1,3-dichloro-2-propanol-induced reduction of progesterone by up-regulation of steroidogenic enzymes and cAMP level in leydig cells. Frontiers in Pharmacology, 7(NOV). https://doi.org/10.3389/fphar.2016.00399

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