凉膈散火湯이 당뇨흰쥐의 전뇌허혈에 미치는 영향
Effects of Yanggyuksanhwa-tang on Global Cerebral Ischemia of Diabetic Rats Induced by Streptozotocin
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This study evaluated neuroprotective effects of Yanggyuksanhwa-tang (YST) on global cerebral ischemia of diabetic rats. On primary experiment, diabetic condition in rats was induced by streptozotocin injection. Secondarily, global cerebral ischemia was induced by bilateral occlusion of the common carotid artery with hypotension (BCAO) under the diabetic condition. Then neuroprotective effect of YST was observed with changes of neuronal c-Fos and Bax expressions, and GFAP expression in the brain tissues by using immunohistochemistry. YST treatment was resulted significant decrease of c-Fos expression in CA1 hippocampus induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of Bax expression in CA1 hippocampus induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of c-Fos expression in cerebral cortex and caudoputamen induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of GFAP expression in cerebral cortex induced by BCAO on diabetic rats. These results suggest that YST has effects on neuroprotection against cerebral ischemic damage under diabetic condition. And it is supposed that neuroprotective effect of YST reveals by anti-apoptosis mechanism.
Abstract
This study evaluated neuroprotective effects of Yanggyuksanhwa-tang (YST) on global cerebral ischemia of diabetic rats. On primary experiment, diabetic condition in rats was induced by streptozotocin injection. Secondarily, global cerebral ischemia was induced by bilateral occlusion of the common carotid artery with hypotension (BCAO) under the diabetic condition. Then neuroprotective effect of YST was observed with changes of neuronal c-Fos and Bax expressions, and GFAP expression in the brain tissues by using immunohistochemistry. YST treatment was resulted significant decrease of c-Fos expression in CA1 hippocampus induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of Bax expression in CA1 hippocampus induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of c-Fos expression in cerebral cortex and caudoputamen induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of GFAP expression in cerebral cortex induced by BCAO on diabetic rats. These results suggest that YST has effects on neuroprotection against cerebral ischemic damage under diabetic condition. And it is supposed that neuroprotective effect of YST reveals by anti-apoptosis mechanism.
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