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Toxicology and industrial health

Enhanced role of elaidic acid on acrylamide-induced oxidative stress in epididymis and epididymal sperm that contributed to the impairment of spermatogenesis in mice.


PMID 20554629

Abstract

Acrylamide (ACR) and trans fatty acids (TFA) could be found co-existent in many foods processed by high temperature. Our study investigated effect of elaidic acid (ELA), the predominant TFA, on deficits of spermatogenesis induced by ACR. Results showed that ELA enhanced the decreases of spermatogonia along with mature sperms after treatment of ACR, and that spermatozoa quality was significantly reduced by addition of ELA to mice treated with ACR. Moreover, ELA play an enhancing role in ACR-induced up-regulating of malondialdehyde (MDA) level in epididymal sperm and cauda epididymides, also up-regulating of protein carbonyls (PCOs) level in cauda epididymides. Meanwhile, ELA play an enhancing role in ACR-induced reducing of activity of superoxide dismutases (SOD) in epididymal sperm, corpus and cauda epididymides, also the reducing of activity of glutathione peroxidase (GPx) in cauda epididymides. These data suggest that ELA enhances ACR-induced oxidative stress in the epididymis and epididymal sperm of mice and has subsequent effect on spermatogenesis in mice testis.

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