• Neuroscience · Dec 2024

    Functional neural substrates of Parkinson's disease and potential underpinnings of acute responses to acupuncture stimulation.

    • Hyoung-Min Lee, Dong-Hyuk Lee, Han-Gyul Lee, Seungwon Kwon, Seung-Yeon Cho, Woo-Sang Jung, Sang-Kwan Moon, Jung-Mi Park, Chang-Nam Ko, and Seong-Uk Park.
    • Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, 02453 Seoul, South Korea.
    • Neuroscience. 2024 Dec 6; 562: 148159148-159.

    AbstractParkinson's disease is a heterogenous neurodegenerative disorder with a wide variety of motor and non-motor symptoms. This study used resting-state fMRI to identify the neural substrates of PD and explore the acute neural response to acupuncture stimulation in 74 participants (50 patients with PD and 24 healthy controls). All participants with PD were evaluated for the severity of symptoms using the Unified Parkinson's Disease Rating Scale and Balance Master. The z-transformed fractional amplitude of low-frequency fluctuation analysis showed significant differences between the PD and healthy controls in the cerebellar regions, which are thought to play a crucial role in PD pathology. Subsequently, seed-based functional connectivity of the cerebellum with the frontal, parietal, and limbic regions was identified as a potential diagnostic marker for PD. In addition, spontaneous neural activity in the precentral gyrus and thalamus was significantly associated with the severity of PD symptoms. Neural activity in the precentral gyrus, precuneus, and superior temporal gyrus showed a significant correlation with Balance Master indicators. Finally, acupuncture stimulation at GB34 significantly reduced the activity of the occipital regions in patients with PD, but this effect was not observed in healthy controls. The mixed-effects analysis revealed an interaction effects between group and acupuncture stimulation, suggesting that the modulatory effects of acupuncture could differ depending on disease status. Therefore, this study suggests the neural substrates of PD and potential underpinnings of acute neural response to acupuncture stimulation.Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.

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