Title: Effect of Electroacupuncture on Interleukin-6 Receptor mRNA Expression in Hippocampus of Cerebral Ischemia-reperfusion Rats
Abstract: OBJECTIVE To observe the changes of IL-6receptor in hippocampus after cerebral ischemia-reperfusion and the effect on IL-6receptor expression by electroacupuncture treatment.METHODS Sprague Dawley rats were randomly divided into sham-operation(sham),model and EA groups(five rats in each group).There are two observing time in each group:6hours and 24 hours after reperfusion.CI/R model was established by right middle cerebral artery occlusion for 2hand reperfusion for 24 h.EA(3Hz,1-3mA)was applied to Baihui(DU20), Dazhui(DU14)for 30 min.the expression of interleukin-6 receptor mRNA and gp130 mRNA in hippocampus by q-PCR method was observed.RESULTS 1The expression of interleukin-6RαmRNA decreased as time changed:At the sixth hour,the expression of interleukin-6RαmRNA in the model group was the least compared with the sham group and EA group.There was significantly difference(P0.01)compared with the sham group and(P0.05)compared with the EA group;At the twenty-forth hour,the expression of interleukin-6RαmRNA of every group decreased,the expression of interleukin-6RαmRNA in the model group was still the least compared with the sham group(P0.01),there was no significant difference between model group and EA group.2The expression of gp130 mRNA increased as time changed;at the sixth hour,there was no difference in the three groups.At the twenty-forth hour,and the expression of gp130 mRNA in the sham group had no significant changes,the expression of gp130 mRNA of the model group and the EA group rose,the expression in the model group was less than that of the EA group significantly(P0.05);while compared with the sham group,the expression of gp130 mRNA rose significantly(P0.01)in EA group.CONCLUSION EA can up-regulate the expression of interleukin-6Ra mRNA and gp130 mRNA in rats' hippocampus of cerebral ischemia-reperfusion models.This may be one of the mechanisms of EA in protecting brain injury.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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