ArticlePharmacological reports : PR2025
Effects of puerarin on gait disturbance in a 6-hydroxydopamine mouse model of Parkinson's disease.
Article in Pharmacological reports : PR, 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.
- Puerarin as a Modulator of Synaptic Plasticity: Molecular Mechanisms Underlying Learning and Memory Restoration in Neurodegenerative Disorders.Molecular neurobiology · 2026Review
- Combined Puerarin and Magnesium Acetyl Taurate Intervention Mitigates Autism-Like Pathology Through Glutamatergic and MAPK Pathway Regulation.Neurochemical research · 2026Article
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3 authors.
Funding
Abstract
backgroundParkinson's disease (PD) is a neurodegenerative disorder caused by dopamine (DA) neuronal dysfunction. Although DA agonists and N-methyl-D-aspartate receptor (NMDAR) antagonists are used to treat PD, chronic use causes severe side effects. Puerarin (PUE) is a natural bioactive compound that affects the DA system; however, its effect on PD-associated motor functions is unknown. Therefore, we investigated whether PUE treatment in a 6-hydroxydopamine (6-OHDA) PD mouse model affects motor dysfunction.
methodsAdult male ICR mice received unilateral 6-OHDA microinfusion into the right medial forebrain bundle. After a 2-week recovery period, PUE (20 or 50 mg/kg) or the vehicle (saline, VEH) was administered intraperitoneally once daily for 21 days. Motor dysfunction was assessed using the locomotion, gait cycle, and rotation tests. Local field potentials (LFPs) were measured in the substantia nigra compacta (SNc), striatum (STR), subthalamic nucleus (STN), and primary motor cortex.
results6-OHDA-lesioned PD mice showed increased gait cycle disturbance and unidirectional rotation. PUE treatment ameliorated the gait cycle disturbance, but not unidirectional rotation of PD mice. These effects differed with DA agonist treatment (which improved PD symptoms) and NMDAR antagonist treatment (which aggravated PD symptoms). Moreover, locomotion was increased only in NMDAR antagonist treatment. PUE treatment induced no changes in the attenuated LFP of the beta wave in the STR and STN, and SNc-STN delta-wave coherence was shown in PD animals.
conclusionsThis study suggests that PUE is a beneficial co-therapeutic agent for alleviating gait cycle disturbance in PD symptoms.
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