alexa Aroclor 1254 impairs spermatogenesis and induces oxidative stress in rat testicular mitochondria.
Veterinary Sciences

Veterinary Sciences

Journal of Veterinary Science & Technology

Author(s): Aly HA, Domnech O, AbdelNaim AB

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Abstract Aroclor 1254 (A1254) has been shown to have potential testicular toxicity. The mechanism of action of A1254 on male reproduction is not clear. The present study was designed to investigate the potential toxicity of A1254 on rat spermatogenesis. Oxidative stress was also assessed in testicular mitochondria as an underlying mechanism. Adult male Wistar rats were injected with A1254 (0, 0.75, 1.5 or 3mg/kg/day i.p.) or with vehicle (corn oil) for 20 consecutive days. A1254 at doses of 1.5 and 3mg/kg/day resulted in a significant decrease in body weight, testes weight, epididymal and relative epididymal weight. Similarly, the relative testis weight was significantly decreased at 3mg/kg/day. Sperm count, motility and daily sperm production were significantly decreased at 1.5 and 3mg/kg/day. The same two doses significantly inhibited the activities of testicular mitochondrial CAT, GPx and GR while the activity of SOD was significantly decreased by 0.75, 1.5 and 3mg/kg/day. The levels of H(2)O(2) generation and LPO were significantly increased in mitochondria in a dose-related pattern. GSH and Vit C were significantly decreased at 0.75, 1.5 and 3mg/kg/day. In conclusion, A1254 impairs spermatogenesis as evidenced, at least partly, by induction of oxidative stress in testicular mitochondria. This article was published in Food Chem Toxicol and referenced in Journal of Veterinary Science & Technology

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