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shRNA靶向干扰Notch2对胶质瘤细胞株U87生长的体外研究 被引量:2

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摘要 目的探讨稳定转染Notch2基因的短发卡RNA对胶质瘤细胞体外和体内增殖的影响。方法利用Notch2shRNA质粒及相同载体的无意义序列转入U87细胞,建立稳定转染细胞株,应用MTT法检测细胞增殖速度,Westen blot检测增殖相关蛋白表达情况。结果与未转染组和转染无意义序列组相比,干扰组Notch2的RNA和蛋白的表达显著抑制;干扰组细胞体外增殖明显减慢,S期细胞比例明显降低,G1期细胞比例明显升高,MCM2蛋白、CyclinD1蛋白表达降低,p21蛋白水平增高。结论在胶质瘤细胞株U87中Notch2表达被长效抑制后,瘤细胞增殖均发生显著抑制,细胞周期及相关蛋白显著改变,Notch2在胶质瘤细胞株U87的增殖中发挥重要作用。
出处 《中国实用神经疾病杂志》 2015年第7期38-40,共3页 Chinese Journal of Practical Nervous Diseases
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