conclusions according to the results of this study, administration of vitamin e to rats counteracts the negative effects of pb on learning and memory. to more precisely extrapolate these findings to humans, future clinical studies are warranted. results the results showed that pb caused impairment in acquisition and retrieval processes in passive avoidance learning. vitamin e reversed learning ...

background: dzn (diazinon) is an organophosphate insecticide that had been used in agriculture and for domestic and veterinary use for several years and caused many negative effects on plants and animal species, especially on human. the aim of present study was to evaluate the effects of dzn on mda (malondialdehyde) and gsh (glutathione) levels in female rat reproductive tissue (ovary) and to a...

Fifteen second-parity sows were used to determine the importance of vitamin E (E) and selenium (Se) supplementation of the sow's diet and colostrum consumption by the neonatal pig on tolerance to parenteral iron. Selenium (.1 ppm) and E (50 IU/kg) supplementation of the diet of the sow increased plasma tocopherol and Se concentrations, but did not increase plasma glutathione peroxidase (GSH-Px)...

background and objectives: noise pollution has a high prevalence among the environmental pollutions and is considered as a teratogenic agent for reproductive system. this study was performed with the purpose of evaluation of the effect of honey and vitamin e on sex hormone levels in male rats exposed to noise pollution. methods: twenty-four adult male rats with the mean weight of 200±20g were r...

Background: Varicocele (VCL) impacts the testicular tissue partly by down-regulating the antioxidant status accomplished with reducing the intra-testicular endocrine potential. It has been reported that the HSP70 families play a critical role in spermiogenesis. Therefore, current study was aimed to evaluate the protective effect of exogenous testosterone and vitamin E administration on VCL-indu...