Journal of ethnopharmacology · 2025
Neuroprotective effects of Prosopis cineraria L. ameliorate Alzheimer's disease manifestations.
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Aslam Fatima, Jabeen Qaiser, Touqeer Saad, Jamil QurratUlAin, Saghir Khaled Ahmed, Ashraf Waseem, Imran Imran, Iqbal Shahid Muhammad
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: Prosopis cineraria is traditionally used to enhance cognitive function and manage mental disorders. Its stem bark is valued in ethnomedicine, but its potential anti-Alzheimer's disease (AD) effects are scientifically unexplored.
AIM OF THE STUDY: This research has examined the neuroprotective effects of the ethyl acetate fraction of P. cineraria bark (Pc-EA) against AlCl3-induced AD pathology, focusing on behavioral, biochemical, histological, and molecular outcomes.
MATERIAL AND METHODS: Diseased rats were treated with Pc-EA (30, 100, and 300 mg/kg) for 42 days. Cognitive and affective functions were evaluated with behavioral tests on days 29-42. Biochemical assays measured oxidative stress and cholinesterase activity, while RT-PCR quantified neuroinflammatory markers. Histopathological examination was performed to evaluate the integrity of hippocampal regions. Bioactive compounds were identified by phytochemical profiling (HPLC, GC-MS), and molecular docking was performed to assess binding interactions with acetylcholinesterase.
RESULT: AlCl3 exposure impaired memory, augmented anxiety and depression-like behavior, elevated oxidative stress, AChE activity, and induced hippocampal neurodegeneration with upregulated BACE-1, Tau, Caspase-3, and NF-κB alongside downregulated BDNF. These changes were reversed by Pc-EA (100 mg/kg), which enhanced cognitive function, restored antioxidant defense, inhibited AChE and neuroinflammatory markers, and maintained hippocampal architecture. Bioactive phytoconstituents (chlorogenic acid, kaempferol, quercetin), which exert anti-amyloidogenic, antioxidant, anti-inflammatory, and acetylcholinesterase inhibitory effects, were identified by HPLC and GC-MS, and their potential roles were corroborated via in silico validation.
CONCLUSION: Pc-EA demonstrated multi-targeted neuroprotection in AlCl3-induced AD, which is consistent with ethnomedicinal claims. These findings indicate P. cineraria as a potential modulator of AD through antioxidant, anti-inflammatory, anti-amyloidogenic, and neurotrophic mechanisms.
AIM OF THE STUDY: This research has examined the neuroprotective effects of the ethyl acetate fraction of P. cineraria bark (Pc-EA) against AlCl3-induced AD pathology, focusing on behavioral, biochemical, histological, and molecular outcomes.
MATERIAL AND METHODS: Diseased rats were treated with Pc-EA (30, 100, and 300 mg/kg) for 42 days. Cognitive and affective functions were evaluated with behavioral tests on days 29-42. Biochemical assays measured oxidative stress and cholinesterase activity, while RT-PCR quantified neuroinflammatory markers. Histopathological examination was performed to evaluate the integrity of hippocampal regions. Bioactive compounds were identified by phytochemical profiling (HPLC, GC-MS), and molecular docking was performed to assess binding interactions with acetylcholinesterase.
RESULT: AlCl3 exposure impaired memory, augmented anxiety and depression-like behavior, elevated oxidative stress, AChE activity, and induced hippocampal neurodegeneration with upregulated BACE-1, Tau, Caspase-3, and NF-κB alongside downregulated BDNF. These changes were reversed by Pc-EA (100 mg/kg), which enhanced cognitive function, restored antioxidant defense, inhibited AChE and neuroinflammatory markers, and maintained hippocampal architecture. Bioactive phytoconstituents (chlorogenic acid, kaempferol, quercetin), which exert anti-amyloidogenic, antioxidant, anti-inflammatory, and acetylcholinesterase inhibitory effects, were identified by HPLC and GC-MS, and their potential roles were corroborated via in silico validation.
CONCLUSION: Pc-EA demonstrated multi-targeted neuroprotection in AlCl3-induced AD, which is consistent with ethnomedicinal claims. These findings indicate P. cineraria as a potential modulator of AD through antioxidant, anti-inflammatory, anti-amyloidogenic, and neurotrophic mechanisms.