ArticleFrontiers in aging neuroscience2025
The mechanism of electroacupuncture-mediated improvement in Parkinson's disease by inhibiting ferroptosis through activating the Nrf2/GPX4 signal pathway.
Article in Frontiers in aging neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Electroacupuncture Inhibits the Early Neuroinflammatory Cascade Triggered by TLR2 in the Prodromal Period of PD.Journal of inflammation research · 2026Article
- Acupuncture for Parkinson's disease: targeting programmed cell death mechanisms and therapeutic prospects.Frontiers in neurologyReview
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10 authors.
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Abstract
Introduction: Ferroptosis, an iron-dependent regulated cell death pathway, shares several features of Parkinson's disease (PD) physiopathology, and efficient neuroprotective therapies are required to prevent DAergic neuron death initiated by ferroptosis. Electroacupuncture (EA), a treasure of Traditional Chinese Medicine, exerted therapeutic effects against PD to avoid the side effects of dopamine (DA)-based therapies. However, its underlying mechanisms still need to be fully understood. Methods: MPTP-induced PD mice were treated with EA to evaluate its neuroprotective effects. Behavioral assessments, histopathological analysis of DAergic neurons, and quantification of ferroptosis biomarkers-including malondialdehyde (MDA), 4-hydroxynonenal (4-HNE), iron, glutathione (GSH), and mitochondrial integrity-were performed. Protein expression levels of SLC7A11, GPX4, ferritin heavy chain 1 (FTH1), and nuclear factor erythroid 2-related factor 2 (Nrf2) were analyzed via immunoblotting. To validate pathway specificity, the Nrf2 inhibitor trigonelline (AT) was co-administered with EA. Results: EA treatment significantly mitigated MPTP-induced DAergic neuron loss and motor deficits. Mechanistically, EA suppressed ferroptosis by reducing lipid peroxidation and iron accumulation while restoring GSH levels. It upregulated ferroptosis-suppressive proteins SLC7A11, GPX4, FTH1, and Nrf2, alongside ameliorating mitochondrial dysfunction. Crucially, AT administration abolished EA's protective effects, confirming Nrf2 pathway dependency. Discussion: These findings demonstrate that EA exerts neuroprotection in PD by inhibiting ferroptosis through activation of the Nrf2/SLC7A11/FTH1/GPX4 signaling axis. This study not only elucidates a novel mechanism underlying EA's efficacy in PD but also highlights ferroptosis modulation as a therapeutic strategy, bridging traditional medicine with molecular pathophysiology. This study has provided new ideas for exploring the mechanism of EA in PD treatment.
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