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KMID : 1021220100010010010
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국제물리치료학회지
2010 Volume.1 No. 1 p.10 ~ p.18
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The Effects of Needle Electrode Electrical Stimulation on Cellular Necrosis Blocking the Forebrain after Induction of Ischemia
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Kim Sung-Won
Lee Jung-Sook
Park Seung-Gyu
Kang Han-Ju
Kim Yong-Soo
Yoon Young-Dae
Yang Hoe-Song
Lee Han-Gi
Kim Sang-Soo
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Abstract
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This study was performed to investigate the effects of Needle Electrode Electrical Stimulation(NEES) on ischemia-induced cerebrovascular accidents. After obstruction and reperfusion of arteries in white mice, the amounts of necrosis and inflammation related substances Bax, IL-6, Caspase-3, and COX-2 were measured in neurons of the fore-brain. The following results were obtained. This study used 21 male specific pathogen free(SPF) SD rats, 8 weeks of age and approximately 300g in weight. Each exposed artery was completely occluded with non-absorbent suture thread and kept in that state for 5 minutes. The sutures were then removed to allow reperfusion of blood. Test group is control group(common carotid artery occlusion models), a GI(underwent common carotid artery occlusion), and NEES(underwent NEES after artery occlusion). The GI and NEES groups were given 12, 24, or 48 hours of reperfusion before NEES. NEES device(PG6, ITO, Japan, 9V, current, 2Hz) was used to stimulate the bilateral acupoint ST36 of the SD rats for 30 minutes while they were sedated with 3% isoflurane. An immuno-histochemistry test was done on the forebrains of the GI induced rats. Both Bax and Caspase-3 immuno-reactive cells, related to apoptosis, were greater in the GI than the NEES group. Cox-2 and IL-6 immuno-reactive cells, related to inflammation, were greater in the GI and NEES groups than the control group. We can expect that applying NEES after ischemic CVA is effective for preventing brain cells from being destroyed. And we can conclude NEES should be applyed on early stage of ischemic CVA.
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KEYWORD
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NEES, ischemia, apoptosis, inflammation, necrosis, reperfusion
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