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Abstract Title:

Ferulic acid protects against radiation-induced testicular damage in male rats: impact on SIRT1 and PARP1.

Abstract Source:

Environ Sci Pollut Res Int. 2017 Dec 14. Epub 2017 Dec 14. PMID: 29243149

Abstract Author(s):

Hala O El-Mesallamy, Rania A Gawish, Al-Aliaa M Sallam, Hanan A Fahmy, Ahmed S Nada

Article Affiliation:

Hala O El-Mesallamy

Abstract:

Ionizing radiation is a major contributor to male infertility by destroying spermatogenesis. Therefore, the need for an effective radio-protective agent is evident. The objective of the present study was to investigate the potential radio-protective effect of ferulic acid (FA) on radiation-induced testicular damage. Mature male Sprague-Dawley rats were either exposed to a single-dose gamma radiation (5 Gy) and/or treated with FA (50 mg/kg), daily for 7 days before irradiation. Sirtuin1 (SIRT1), poly (ADP-ribose) polymerase 1 (PARP1), cytosolic calcium content, and the male reproductive functions (sperm head abnormality) as well as oxidative stress markers were assessed 7 days after irradiation. FA significantly maintained active spermatogenesis. Moreover, it reversed the oxidative stress effects of irradiation. The irradiated group showed marked elevation in both PARP1 expression and activity as well as in cytosolic calcium concentration, whereas SIRT1 activity and expression markedly decreased; in contrast, FA treatment prevented these alterations. Results of histopathological examination of testicular tissues indicated coincidence with those recorded by biochemical analyses. Our data show for the first time that FA had radio-protective effect against radiation-induced testiculardamage. It improved spermatogenesis through increasing testicular SIRT1 and testosterone levels and decreasing oxidative stress, PARP1, and cytosolic calcium.

Study Type : Animal Study

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