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In Vitro Study on the Relationship Between NF-кB and the Apoptosis Effect of Daunorubicin (DNR) on HL-60 Cells

陈敏, 冯文莉, 黄宗干

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Abstract

目的:探讨核因子NF-кB是否与柔红霉素(DNR)在体外诱导HL-60细胞凋亡的过程有关。方法:应用光镜、流式细胞技术(FCM)检测DNR对HL-60细胞的凋亡作用;并采用细胞免疫化学(IC)、FCM、电泳运动转移分析(EMSA)法分别检测对照细胞组、DNR诱导HL-60细胞凋亡组、PTDC或FBI抑制组细胞核内NF-кB的表达情况。结果:1.0μmol/L DNR对HL-60细胞作用5h时,有显著的凋亡现象发生,且细胞内NF-кB的表达较对照细胞显著增强,PDTC可显著抑制DNR作用HL-60后的凋亡率及NF-кB的表达,而FBI对此无明显作用。结论:DNR诱导HL-60凋亡的过程与细胞核因子NF-кB有关,ROS参与了此凋亡过程。

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目的:探讨核因子NF-кB是否与柔红霉素(DNR)在体外诱导HL-60细胞凋亡的过程有关。方法:应用光镜、流式细胞技术(FCM)检测DNR对HL-60细胞的凋亡作用;并采用细胞免疫化学(IC)、FCM、电泳运动转移分析(EMSA)法分别检测对照细胞组、DNR诱导HL-60细胞凋亡组、PTDC或FBI抑制组细胞核内NF-кB的表达情况。结果:1.0μmol/L DNR对HL-60细胞作用5h时,有显著的凋亡现象发生,且细胞内NF-кB的表达较对照细胞显著增强,PDTC可显著抑制DNR作用HL-60后的凋亡率及NF-кB的表达,而FBI对此无明显作用。结论:DNR诱导HL-60凋亡的过程与细胞核因子NF-кB有关,ROS参与了此凋亡过程。

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Available abstract

目的:探讨核因子NF-кB是否与柔红霉素(DNR)在体外诱导HL-60细胞凋亡的过程有关。方法:应用光镜、流式细胞技术(FCM)检测DNR对HL-60细胞的凋亡作用;并采用细胞免疫化学(IC)、FCM、电泳运动转移分析(EMSA)法分别检测对照细胞组、DNR诱导HL-60细胞凋亡组、PTDC或FBI抑制组细胞核内NF-кB的表达情况。结果:1.0μmol/L DNR对HL-60细胞作用5h时,有显著的凋亡现象发生,且细胞内NF-кB的表达较对照细胞显著增强,PDTC可显著抑制DNR作用HL-60后的凋亡率及NF-кB的表达,而FBI对此无明显作用。结论:DNR诱导HL-60凋亡的过程与细胞核因子NF-кB有关,ROS参与了此凋亡过程。

Key concepts: Daunorubicin, Apoptosis, In vitro, Cell biology, Chemistry, Cancer research, Biology, Molecular biology

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