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Pant, N. et al.

Pant, Srivastava,

Testicular and spermatotoxic effects of quinalphos in rats.

Testicular and spermatotoxic effects were investigated in rats exposed to technical-grade quinalphos (70%) at dose levels of 0.52 mg kg(-1) (1/50th ld(50)) or 1.04 mg kg(-1) body weight (1/25th ld(50)) for 5 days a week for 60 days. The activities of marker testicular enzymes such as sorbitol dehydrogenase ( SDH) and acid phosphatase were significantly decreased but those of lactate dehydrogenase (LDH), gamma-glutamyl transpeptidase (gamma-GT) and beta-glucuronidase were significantly increased in a dose-dependent manner. This particular pattern in the activity of testicular-cell-specific enzymes, a decrease in sperm motility and total epididymal sperm count and an increase in abnormal sperm suggest damage to germ cells and Sertoli cells. The testicular and spermatotoxic effects observed in rats may be due to the pesticide quinalphos or its metabolites.[1]

References

Testicular and spermatotoxic effects of quinalphos in rats. Pant, N., Srivastava, S.P. Journal of applied toxicology : JAT. (2003) [Pubmed]

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