ArticleFrontiers in aging neuroscience2026
Integrating network pharmacology and experimental validation strategies to investigate the mechanisms and key flavonoids in medicinal and edible citrus plants against Alzheimer's disease.
Article in Frontiers in aging neuroscience, 2026. 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
Introduction: Due to the complexity of the Alzheimer's disease (AD) pathophysiological processes, there is currently a lack of effective therapeutic drugs. The medicinal and edible substances have multiple advantages in treating AD, but their specific components and mechanisms remain unclear. This study aims to investigate the potential mechanisms of flavonoids in medicinal and edible citrus plants in treating AD and their key phytochemicals. Methods: We collected flavonoids identified by UHPLC-Q-TOF-MS/MS in citrus plants from the literatures and evaluate their pharmacological and toxicological parameters. We obtained and systematically analyzed the action targets of the flavonoids of citrus plants and screened the targets related to AD key pathophysiological processes and the corresponding phytochemicals. The results of network pharmacological analysis were further validated through molecular docking, GEO database, and BV2 microglial cells. Results: A total of 51 flavonoids in medicinal and edible citrus plants were identified, which exhibit favorable pharmacological properties and safety profiles. Multiple flavonoid compounds such as isoquercitrin, astragalin, cynaroside, troxerutin and lonicerin serve as potential acetylcholinesterase inhibitors for the symptomatic treatment of AD. The study identified 45 flavonoids in citrus plants that correspond to 304 AD-related targets, which are involved in multiple pathophysiological processes. Quercetin, nobiletin, hesperidin, apigenin, HTMF, tangeretin and hesperetin have been identified as the key flavonoids of citrus plants that regulate the pathogenesis of AD in a multitargeted manner. The flavonoids of citrus plants primarily regulate the core targets AKT1, TNF, IL6, TP53, IL1B, STAT3, INS, JUN, CASP3 and CTNNB1. Targeting ferroptosis is one of the mechanisms by which citrus plants to ameliorate AD. Conclusion: The various citrus plants flavonoids examined in this study exhibit significant potential for clinical translation, particularly in the early prevention and adjuvant treatment of AD.
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