Abstract
Background: In this study, our aim is to investigate the possible protective effects of curcumin on potential damage caused by benzo(a)pyrene (BaP) on rat sperm motility and morphology. Methods: 36 Wistar Albino male rats were divided into six groups: Group 1, Control; Group 2, Corn oil (BaP dissolver); Group 3, DMSO (Curcumin dissolver); Group 4, BaP; Group 5, Curcumin; Group 6, BaP+Curcumin. By the end of the six week oral administration period, left caudal epididymis and ductus deferens tissues were placed in Pure Sperm Wash (Nidacon) solution (at 37°C) and dissected. Sperms were counted and stained. Measurements of the perinuclear ring of the manchette and the posterior portion of the nucleus were performed. All of the parameters were evaluated statistically. Results: BaP administration caused a decrease in the number of total sperms and total motile sperms, while increasing abnormalities in tail, acrosome and cytoplasmic droplet particularly. Abnormalities did not approach the control group by curcumin administration in expected rates, but the percentage reduced. The number of total and motile sperms increased by curcumin. All parameters were statistically supported. Conclusions: In conclusion, curcumin is one of the antioxidant that could be used potentially to inhibit the effects of Benzo(a)pyrene, but is ineffective in preventing all abnormalities.
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