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雄激素在前列腺癌细胞内通过作用于Gαs诱导PKA的活化

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摘要 目的:探讨雄激素能否在前列腺癌细胞内通过非经典信号传导途径直接激活PKA。方法:运用免疫印迹法检测前列腺癌细胞系在不同浓度雄激素刺激下,磷酸化的VASP的差别,即PKA的活化的差别。结果:雄激素在前列腺癌细胞内能激活PKA;阻断cAMP的产生或抑制Gs的活性,能有效的抑制雄激素诱导的PKA的活化。结论:雄激素通过作用于信号传导途径:Gs/腺苷酸环化酶/cAMP,诱导PKA的活化。
出处 《中国民族民间医药》 2009年第6期19-20,18,共3页 Chinese Journal of Ethnomedicine and Ethnopharmacy
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