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흰쥐 C6 신경교종 세포에서 venlafaxine 그리고 dexamethasone 처리가 열충격 단백질 70의 발현에 미치는 영향

Effects of venlafaxine and dexamethasone treatment on HSP70 expression in rat C6 glioma cells

김석현|노성원|이준석|최미란|양병환|최인근|채영규|유재학|오동렬
대한생물정신의학회 (The Korean Society Of Biological Psychiatry)|2005.11|생물정신의학 (Journal of Korean Society of Biological Psychiatry)|제12권 제2호|pp. 59-69

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참고문헌

키워드

Venlafaxine·Dexamethasone·열충격 단백 질 70.Venlafaxine·Dexamethasone·Heat shock protein 70(HSP70).
주제분류정신과학

초록

Abstract

object：The intracellular action of the antidepressant, venlafaxine, was studied in C6-gliomas using heat shock protein 70(HSP70) immunocytochemistry and HSP70 Western blots because HSP70 is associated with stress and depression. Methods：To examine how the glucocorticoid affects the expression of HSP70 in nerve cells, the rat C6 glioma cell was treated with dexamethasone for 6 hours. In addition, venlafaxine was administered to the experimental groups of C6 glioma cells for 1, 6, 24, and 72 hours each, after which the expression of HSP70 was investigated. Finally, venlafaxine and dexamethasone were simultaneously administered to the experimental groups for 1, 6, 24, and 72 hours, followed by an investigation of the expression of HSP70. Results：The short term(1 hour) venlafaxine treatment significantly increased the level of HSP70 expression. The short term treatment of venlafaxine with dexamethasone also increased the level of HSP70 expression but this reduction was not statistically significant. The long term(72 hours) venlafaxine with dexamethasone treatment significantly reduced the level of HSP70 expression. The long term treatment of venlafaxine also reduced the level of HSP70 expression but this reduction was not statistically significant. Dexamethasone(10uM, 6hours) did not affect the level of HSP70 expression compared with controls. Conclusion：Venlafaxine increases the expression of HSP70 at short term treatment, but prolonged treatment with dexamethasone suppresses the expression of HSP70.

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