Abstract
AimsTobacco smoking is associated with a vast range of adverse health effects, including diminished cognitive and anti-oxidative capabilities. Conversely, vitamin E (VitE) is known to enhance data acquisition and retention and hippocampal oxidative defense. No studies, however, examined the protective effect of VitE with tobacco administration. Therefore, this study examined the protective effect of VitE on the cognitive and oxidative debilitating effects induced by waterpipe smoking. Materials and methodsWistar male rats were divided into four groups: waterpipe smoking, VitE, waterpipe combined with VitE, and control group. The exposure to waterpipe and VitE was for one month and then spatial learning and memory were assesses using Radial Arms Water Maze. Additionally, oxidative stress biomarkers (Catalase, GPx, and TBARS, GSH, GSSG, and GSH/GSSG ratio) were assessed in the hippocampus. Key findingsThe results revealed that waterpipe smoking impaired short-term and long-term memory (P < 0.05). Waterpipe smoking reduced activity of catalase (P < 0.05), GPx (P < 0.05) and GSH/GSSG ratio (P < 0.05) in the hippocampus. Administration of VitE prevented memory impairment and alterations in oxidative stress biomarkers. Significancewaterpipe smoking induces short-term and long-term memory impairments, which were prevented by administration of VitE via its anti-oxidative properties.
Published Version
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