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- W2012365542 abstract "본 연구는 전침자극이 일과성 뇌허혈이 유발된 흰쥐 대뇌피질에서 GFAP으로 표지되는 반응성 별아교세포증에 미치는 효과를 동정하기위해서 시행되었다. 실험동물은 전침자극군과 대조군으로 구분하였고, 다시 각 집단을 1일, 3일, 7일 군으로 나누어 각기 15마리씩 무작위 배분하여 실험에 사용하였다. 전침은 인체의 족삼리, 곡지, 음릉선에 상응하는 부위에 자침하고 2 Hz의 근육수축이 현저히 보일 때까지 고강도 (1mA)를 자극하였으며, 전침은 연속파, 직각파, 0.2 ms duration으로 매일 1회 오전 10~12시에 10 분 씩 총 10 회 시행한 뒤, 뇌의 조직절편을 제작하여 GFAP에 대한 면역조직화학염색을 실시해 다음과 같은 결과를 산출 하였다. GFAP의 발현은 뇌허혈로 인해 손상이 유발된 대뇌피질의 혈관주위 및 대뇌피질에서 현저하게 높은 수준으로 관찰되었다. 실험군에서 면역조직화학적으로 표지된 별아교세포들을 계수한 바, 대조군에 비해 뇌허혈이 유발된 1 일 군에서 전침자극군이 약간 감소하였고, 3 일 후에는 현저히 감소하였으며, 7 일 후에는 그 감소정도가 둔화되는 양상을 나타냈다. 대조군에 비해 전침자극군에서 GFAP으로 표지된 별모양아교세포의 수가 모두 감소한 것은 전침자극에 의해 손상의 정도가 감소하여, 전침자극이 신경가소성을 유발시키고 있다는 것으로 관찰되었다. The purpose of this study was carried out to investigate the effect of electroacupuncture on reactive gliosis expressing GFAP in rat with transient global cerebral ischemia. Subjects were randomly divided into two groups, a control group and a electroacupuncture group on ST36, LI11 and SP9 with 2 Hz and 1 mA. The rats were sacrificed on 1, 3 and 7 days after transient cerebral ischemia using ligation of left common carotid artery. After making brain slide sections, they were immunostained with GFAP antisera(1:2,500). The results were as follows: The numbers of astrocytes of electroacupuncture group were decreased than those of control group at every 1, 2 and 7 days. Especially, the numbers of astrocytes at 3 days(p<0.01) and 8 days(p<0.05) were different statistically. And astrocytes had resting, hypertrophic and moving types on cerebral cortex. The decrease of numbers of astrocytes expressing GFAP showed that electroacupuncture could localise and minimize the brain damage by transient cerebral ischemia and cause brain cell plasticity." @default.
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- W2012365542 date "2011-02-28" @default.
- W2012365542 modified "2023-09-25" @default.
- W2012365542 title "The Effect of Electroacupuncture on Reactive Gliosis Expressing GFAP in Rat with Transient Global Cerebral Ischemia" @default.
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