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  • Title: Vertical administration of vanadium through lactation induces behavioural and neuromorphological changes: protective role of vitamin E.
    Author: Olopade JO, Fatola IO, Olopade FE.
    Journal: Niger J Physiol Sci; 2011 Nov 23; 26(1):55-60. PubMed ID: 22314988.
    Abstract:
    The work investigated the protective role of vitamin E on vanadium induced neurotoxicity. Three adult female rats were divided into three groups, A-C with each dam and her pups forming a group. Group A served as control. The dam in Group B was given 3mg/kg b.w./day of vanadium from PND 1 while the Group C dam were given 3mg/kg b.w./day of vanadium, for 14 days and 500mg/kg b.w. of vitamin E 72 hourly in the same time frame. The results showed that pups from Group B, exhibited behavioural deficits in most tests, a significant reduction in body weight gain and absolute brain weight; in addition immunohistochemistry showed reactive astrogliosis induced by vanadium exposure. All these findings were however attenuated in pups whose dam was exposed to vanadium and vitamin E depicting the significant protective effects of this antioxidant against vanadium. This study is novel in that both vanadium and vitamin E were introduced through the lactation route. We conclude that though caution remains essential in the posology of vitamin E, the management of lactating mothers who have been exposed to vanadium occupationally, environmentally or therapeutically with supplementation of this antioxidant may be beneficial at least in the short term to both mother and offspring.
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