ArticleEnvironmental analysis, health and toxicology2025
Neuroprotection by Nauclea latifolia extract in arsenite & high-fat diet-induced brain stress.
Article in Environmental analysis, health and toxicology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Sodium arsenite (NaAsO2) and high fat diet (HFD) are already documented to provoke oxidative stress, neuro inflammation and learning and memory deficits. This work aimed to determine the possible neuroprotection of the root extract of Nauclea latifolia (NlREq) against NaAsO2/HFD induced neurotoxicity in Wistar rats. Twenty-five rats were divided into five groups: groups include control; NaAsO2/HFD treated; NaAsO2/HFD + NlREq at 200 mg /kg and 400 mg/kg; and NaAsO2/HFD treated with silymar in at the dose of 50 mg/kg. The behavioral assessments (elevated plus maze and T-maze), biochemical analysis and histological investigations were performed. As shown in the present study, NaAsO2/HFD group exhibited enhanced anxiety related behaviour, memory deficit, oxidative stress (MDA, TNF-α, IL-1β) and decreased antioxidant enzymes (SOD, CAT, GSH) activity. The histological examination revealed significant neuronal loss and remarkable architectural alteration in hippocampus, prefrontal cortex and cerebellum. These effects were ameliorated by NlREq administered in a dose-dependent manner, with the 400 mg/kg dose enhancing memory in the affected animals, reducing inflammation, replenishing antioxidant defence systems, and maintaining integrity of neurons. These results indicate that Nauclea latifolia root extract has strong neuroprotective potential and may be used as a phytochemical for managing neurotoxicity and cognitive impairment due to exposure to toxins in the environment and poor diet.
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