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SU11248干预白血病细胞HL-60对P27^KIP1和cyclin G蛋白表达的影响 被引量:3

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摘要 目的:探讨SU11248对人髓系白血病细胞株HL-60的效应及其对HL-60细胞表达P27KIP1和cyclin G蛋白改变的影响。方法:应用MTT法检测SU11248对HL-60细胞增殖能力的影响;采用Western blot检测SU11248干预HL-60细胞前后P27KIP1和cyclin G蛋白表达水平的变化及其相关性。结果:不同浓度(0.5、1.0、2.0、4.0、8.0mg/L)SU11248作用HL-60细胞24h、48h、72h、96h后,SU11248可抑制HL-60细胞增殖,抑制作用呈现剂量和时间依赖性,半数抑制浓度(IC50)约为2.0mg/L。2.0mg/LSU11248作用HL-60细胞72h时抑制率达到最高。2.0mg/LSU11248作用HL-60细胞后cyclin G蛋白表达呈时间依赖性降低,而P27KIP1蛋白表达呈时间依赖性升高。两蛋白各时间组的改变与对照组相比差异均有统计学意义(P<0.05)。结论:SU11248具有抑制HL-60细胞增殖的生物效应,在HL-60细胞及SU11248干预HL-60细胞过程中,P27KIP1基因可能对cyclin G基因及细胞周期发挥负性调控作用。SU11248通过上P27KIP1、下调cyclin G而干扰细胞周期可能是其发挥抑制肿瘤细胞分裂的环节之一。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2009年第7期628-630,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 福建省自然基金资助项目(X0650060) 福建医科大学教授基金资助项目(2008-2011)
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二级参考文献9

共引文献2

同被引文献30

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