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Abstract
The cerebrum, vital for cognition and motor control, is highly susceptible to toxic injury. Excess manganese chloride exposure induces oxidative stress, mitochon drial dysfunction, and neuroinflammation, resulting in cerebral degeneration. Vanillin, a natural antioxidant and antiinflammatory agent, may counter these effects. Thus, this study aimed to investigate the activity of vanillin against manganese chloride–induced cerebral toxicity in adult Wistar rats. Forty-eight (48) Wistar rats were randomly assigned into six groups (A-F). Group A rats served as the control group; Group B rats were administered 10 mg/kg body weight of manganese chloride; Group C rats were administered 20 mg/kg body weight of vanillin and 10 mg/kg body weight of manganese chloride; Group D was administered 40 mg/kg body weight of manganese chloride and 40 mg/kg body weight of vanillin; Group E was administered 20 mg/kg body weight of vanillin; Group F was administered 40 mg/kg body weight of vanillin. All administrations lasted for twenty-eight (28) days. Neurobehavioural activities were evaluated using the Y-Maze Test. Results from the study showed manganese chloride-exposed rats showed significant (p<0.05) weight loss, cognitive deficits, decreased antioxidant enzymes activity, and increased lipid peroxidation with vacuolization and pyknotic nuclei observed in the cerebrum histology
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