Electro-acupuncture (EA) is identified as an effective therapeutic method for cerebral ischemia/reperfusion injury (CIRI), which is a combination of Chinese traditional acupuncture and modern electro-therapy. However, the downstream molecular mechanisms of EA in CIRI process remains largely unknown. The purpose of the present study is to unveil the therapeutic effect of EA on CIRI rat and its regulatory mechanisms.
View Article and Find Full Text PDFObjective: Clinically, electroacupuncture (EA) improves cerebral ischemic injury, but its mechanism remains unknown. The aim of this study was to confirm the protective effects of EA on focal cerebral ischemia (FCI)-induced injury and the possible mechanism.
Methods: Sprague-Dawley (SD) rats served as the FCI model and were divided into the sham, model, EA, AG490 and EA+AG490 groups.
To investigate the effect of electroacupuncture (EA) on cognitive function and insulin resistance (IR) in an Al/D-gal-induced aging model for Alzheimer's disease (AD) using Ostuka Long-Evans Tokushima Fatty (OLETF) rats. The Al/D-gal-OLETF rats for AD were randomly divided into the EA and non-EA groups. Cognitive function was assessed using the Morris water maze (MWM).
View Article and Find Full Text PDFEvid Based Complement Alternat Med
June 2016
Acupuncture has been used to treat chronic atrophic gastritis (CAG) in traditional Chinese medicine (TCM) for centuries. In this study, we evaluated the effect of acupuncture at Zusanli (ST36), Zhongwan (CV12), and Pishu (BL20) acupoints on weight changes of rats, histological changes of gastric glands, and expressions changes of nuclear factor-kappa B (NF-κB) p65, microRNA- (miR-) 155, miR-21, and miR-146a in CAG rats induced by N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) combined with irregular diet. Consequently, we found that acupuncture treatment elevated body weight of rats significantly when compared to the model group.
View Article and Find Full Text PDFObjective: To explore the neuroprotective effects of electroacupuncture (EA) on hypoxic-ischemic encephalopathy (HIE) and to further investigate the role of glial cell line-derived neurotrophic factor (GDNF) family receptor member RET (rearranged during transfection) and its key downstream phosphatidylinositol 3 kinase (PI-3K)/protein kinase B (Akt) pathway in the process.
Methods: A total of 220 seven-day-old SD rats (of either sex, from 22 broods) were randomly divided into two groups, one (30 rats) for sham-surgery group and the other (190 rats) for HIE model group. The HIE model was established using the left common carotid artery ligation method in combination with hypoxic treatment.
Objective: Electroacupuncture effect on neurological behavior and the expression of tyrosine kinase Janus kinase 2 (JAK 2) of ischemic cortex in rats with the focal cerebral ischemia were investigated in this study.
Methods: The model of focal cerebral ischemia was established by the heat-coagulation induced the occlusion of the middle cerebral artery. The electro-acupuncture was applied on Baihui (GV 20) and Dazhui (GV 14), and AG490 was applied by intracerebroventricular infusion.
Objective: To observe the effect of electroacupuncture (EA) intervention on expression of signal transducer and activator of transcription 3 (STAT 3) in the focal ischemic cerebral tissue, so as to study its mechanism underlying improving ischemic stroke.
Methods: A total of 150 SD rats were randomized into sham operation (control) group, cerebral ischemia (CI) model (model) group and EA group which were further randomly divided into 2 hour (2 h), 1 day (1 d), 3 d, 1 week (1 W) and 3 W subgroups (n = 6/subgroup for immunohistochemistry, n = 4/subgroup for Western blot). CI model was established by occlusion of the middle cerebral artery with electro-coagulation method.
The present study established a model of focal cerebral ischemia through heat-coagulation induced occlusion of the middle cerebral artery. Following electroacupuncture at Baihui (GV20) and Dazhui (GV14), or intracerebroventricular infusion of AG490, a Janus kinase 2 phosphorylation inhibitor, the amount of necrotic or degenerated neurons in the ischemic cerebral cortex decreased, neuronal swelling was ameliorated, and expression of phosphorylated Janus kinase 2 and signal transducer and activator of transcription 3 decreased. Results confirmed that electroacupuncture promoted neuronal repair in the cerebral cortex by reducing expression of phosphorylated Janus kinase 2 and signal transducer and activator of transcription 3, as well as weakening the phosphorylated activation, thereby blocking abnormal activation of the Janus kinase 2- signal transducer and activator of transcription 3 signal transduction pathway.
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