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维生素E琥珀酸酯诱导前列腺癌PC-3细胞凋亡的实验研究

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摘要 目的为维生素E琥珀酸酯(VES)用于前列腺癌的治疗奠定基础。方法将不同浓度的VES培养液作用于体外培养的前列腺癌PC-3细胞。噻唑兰(MTT)比色法检测细胞增殖活性,计算细胞移植率;光镜下观察细胞形态变化,流式细胞术(FCM)分析细胞周期并测定Fas蛋白表达水平;酶联免疫法检测TGF-β表达水平。结果VES作用后细胞抑制率明显增加,且呈浓度及时间依赖性;光镜下PC-3细胞呈典型凋亡的形态学改变;FCM细胞周期分析显示,G2/M期细胞增加而S期细胞明显减少(P<0.05)。Fas蛋白和TGF-β表达明显上调。结论VES可抑制PC-3细胞生长增殖并诱导其凋亡,其作用机制可能为上调Fas、TGF-β的表达。
出处 《山东医药》 CAS 北大核心 2009年第43期86-87,共2页 Shandong Medical Journal
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