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Celecoxib对非小细胞肺癌细胞株A549增殖与凋亡的研究

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摘要 目的探讨选择性COX-2抑制剂Celecoxib对非小细胞肺癌细胞株A549增殖与凋亡方面的作用。方法对非小细胞肺癌细胞株A549使用MTT法测定细胞生长抑制率;Hoechest33258荧光染色观察细胞凋亡;流式细胞仪分析细胞凋亡及细胞周期分布。结果Celecoxib对抑制A549细胞增殖的IC50值为14.7μmol/l;Celecoxib对A549细胞的毒性较大程度上是通过诱导NSCLC细胞的凋亡,Celecoxib5-40μmol/l作用12-48hr的凋亡比率为2.1 ̄44.3%。结论COX-2抑制剂Celecoxib在体外能诱导非小细胞肺癌细胞发生凋亡,抑制细胞增殖。
出处 《中国医药导报》 CAS 2006年第18期7-9,共3页 China Medical Herald
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