ArticleJournal of biomedical science2019
Short-term auricular electrical stimulation rapidly elevated cortical blood flow and promoted the expression of nicotinic acetylcholine receptor α4 in the 2 vessel occlusion rats model.
Article in Journal of biomedical science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- Advances in Targeting Central Cholinergic Dysfunction for Neurodegenerative Diseases: From Pharmacotherapy to Neuromodulation.CNS neuroscience & therapeutics · 2026Review
- Efficacy and safety of acupuncture treatment for idiopathic deafness: a retrospective study.Frontiers in neurology · 2025Article
- Alterations in Neuronal Nicotinic Acetylcholine Receptors in the Pathogenesis of Various Cognitive Impairments.CNS neuroscience & therapeutics · 2024Review
- Effects of Auricular Point Acupressure with Lifestyle Interventions on Cerebrovascular Function among Adults with High Stroke Risk: A Randomized Controlled Study.Evidence-based complementary and alternative medicine : eCAM · 2023Article
- Electroacupuncture Increases the Hippocampal Synaptic Transmission Efficiency and Long-Term Plasticity to Improve Vascular Cognitive Impairment.Mediators of inflammation · 2022Article
- The trend of indirect anastomosis formation in a 2-vessel occlusion plus encephalo-myo-synangiosis rat model.Annals of translational medicine · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundVascular dementia is the second dementing illness after Alzheimer's disease and caused by reduced blood flow to the brain, and affects cognitive abilities. Our previous study found that auricular electrical stimulation (ES) improved motor and learning impairment, and this phenomenon related with nicotinic acetylcholine receptor (nAChR) expressed cells. However, the underlying mechanism was not clear. In the present study, we investigated the effects of auricular ES on cortical blood flow (CBF) and acetylcholine (ACh) - nAChRs expressed cells.
methodsVascular dementia rat animal model was established by permanent occlusions of common carotid arteries with 6-0 nylon suture filament. At 21 day after surgery, motor impairment was confirmed by rotarod test. 15-Hz auricular ES were applied to the ears for 20 min and CBF was recorded at the mean time. The brains were immediately dissected for immunohistochemical stain and western blot analysis.
resultsOur results showed that 15-Hz auricular ES rapidly elevated CBF in the middle cerebral artery. The numbers of nAChR α4 immuno-positive cells and western blot levels were significally increased by 15-Hz auricular ES in the hippocampal CA2 output cortex. The numbers of choline acetyltransferase (ChAT) - a key enzyme for biosynthesis of ACh - immuno-positive cells and western blot levels had no significant differences.
conclusionsThe present data suggested that the 15-Hz auricular ES for 20 min rapidly elevated cortical blood flow, promoted the expression of nAChR α4, and would be beneficial for the treatment of Alzheimer type and vascular type dementia.
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