ArticleFrontiers in aging neuroscience2026
Examining of the mechanism by which Yin Huang Ge compound alleviates cognitive dysfunction in Alzheimer's disease mice through modulation of Aβ degrading enzymes and neurotrophic factors.
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
Background: Alzheimer's disease (AD) poses a significant threat to human health, and with the number of patients increasing annually, developing effective prevention and treatment strategies has become an urgent priority. Early intervention is a viable strategy for treating AD, as biomarker changes associated with Objective: This study investigated the potential therapeutic effects of the Yin Huang Ge compound on cognitive function in a mouse model of AD and evaluated its efficacy in mitigating Aβ accumulation, a key pathological feature of AD. Methods: APP/PS1 mice were randomly assigned to the following groups: Controls (C57BL/6 J mice) group, the Model group, YHG group, and donepezil (DNP) group. The YHG group and the DNP group were administered their respective drugs through gastric gavage, whereas the normal group and the Model group were supplied with saline. Administration sustained for a period of 30 consecutive days. We assessed mouse learning, memory, and spatial cognition using the Morris water maze, novel object recognition, Y-maze spontaneous alternation, and novel arm tests. Western blotting quantified the protein levels of Results: In contrast to the Control group, mice in the Model group exhibited significant impairments in learning, memory, and spatial cognition. The protein expression levels of Aβ Conclusion: The YHG compound reduces cerebral Aβ deposition via a bidirectional regulatory mechanism, upregulating IDE and NEP to promote clearance while downregulating MMP-2 and MMP-9 to mitigate associated damage. It also elevates the expression of the neurotrophic factors BDNF and NT-3, which enhances endogenous neuroprotection and ameliorates core Alzheimer's disease pathology. Consequently, this treatment markedly improves cognitive function in APP/PS1 mice.
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