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多烯紫杉醇对结肠癌HT-29细胞bcl-2和bax表达的影响 被引量:3

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摘要 目的观察多烯紫杉醇对结肠癌HT-29细胞株增殖和bcl-2和bax表达的影响。方法采用体外常规培养结肠癌HT-29细胞,以不同浓度多烯紫杉醇干预24h,观察细胞形态变化;MTT法测定不同浓度药物对HT-29细胞增殖的影响;RT-PCR检测药物作用后的bax和bcl-2的表达。结果多烯紫杉醇作用后,细胞数量明显减少,细胞变小,细胞增殖受到抑制,并呈现出量-效作用;bcl-2的表达随药物浓度增加而减少,bax的表达随药物浓度增加而增加。结论多烯紫杉醇能明显抑制结肠癌HT-29细胞的增殖,通过下调bcl-2和上调bax的表达来诱导细胞凋亡,起到抗HT-29细胞的作用。
出处 《中国中医药现代远程教育》 2012年第3期141-142,共2页 Chinese Medicine Modern Distance Education of China
基金 黑龙江省牡丹江市科技局立项[No:2007GLS1016]
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