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Research Article Open access CC BY 4.0

Mitigation of Lead Neurotoxicity by Aqueous Fruit Extract of Adansonia digitata in Adult Wistar Rats

Eduitem S. Otong, Sunday A. Musa, Barnabas Danborno, Sohnap J. Sambo

Journal of Complementary and Alternative Medical Research · pp. 71–82 · Published 12 Nov 2021

10.9734/jocamr/2021/v16i430299

Abstract

Aim: The current study seeks to explore the neuroprotective benefits of Adansonia digitata against lead induced memory impairment, neurotransmitter/AChE activity imbalance, oxidative stress as well as brain damage. Methodology: Thirty male adult rats weighing 160g-200g were divided randomly into six groups (I-V1) consisting of five (5) rats in each group. Group I served as control and were administered with distilled water (1 ml/kg) only while groups II -VI were treatment groups. Group II were administered 250 mg/kg of Adansonia digitata; group III were administered 30 mg/kg of lead; Group IV were administered 250 mg/kg of Adansonia digitata plus 30 mg/kg of lead; Group V were administered 500 mg/kg of Adansonia digitata plus 30 mg/kg of lead; Group VI were administered 30 mg/kg of lead plus 10 mg/kg of succimer. All administrations were carried out through oral gavage for a period of 28 days. Results: Lead administration caused memory impairment, decreased dopamine concentration and AChE activity in brain, induced oxidative stress resulting in brain damage.  Adansonia digitata treatment significantly (P<.001) attenuated memory impairment, modulated dopamine concentration and AChE activity, prevented oxidative stress and ameliorated histopathological changes in the brain of Wistar rats. Conclusion: The result showed that Adansonia digitata ameliorates lead-induced memory impairment in Wistar rats by improving memory index, controlling dopamine concentration and AChE activity, preventing oxidative stress and neuronal degeneration.

Lead Adansonia digitata brain memory index dopamine oxidative stress

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