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化疗药物对淋巴瘤survivin mRNA表达的影响

Effect of anticancer drug on expression of survivin mRNA for lymphoma cells
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摘要 目的 探讨抗肿瘤药物环磷酰胺(CTX)、甲氨蝶呤(MTX)、氟尿嘧啶(5-Fu)的作用及耐药机制.方法 将化疗药物作用于HL-60、Raji和Jurkat细胞株,RT-PCR检测抗凋亡基因survivin、bcl-2和凋亡基因caspase-3 mRNA水平的变化,对结果进行半定量分析.用MTT法检测转染survivin反义mRNA的Jurkat细胞对抗肿瘤药物的敏感性.结果 HL-60、Raji和Jurkat细胞高表达survivin和bcl-2 mRNA,survivin和bcl-2 mRNA表达随着化疗药物作用时间延长和剂量升高逐渐减弱;但Raji细胞经低剂量MTX作用24 h survivin mRNA表达升高,HL-60细胞经CTX作用24 h bcl-2 mRNA表达升高;不表达caspase-3的Raji和Jurkat细胞,经CTX作用24 h表达caspase-3 mRNA.转染survivin反义mRNA后Jurkat细胞对抗肿瘤药物的敏感性增加,细胞生长抑制率明显大于未转染组.结论 survivin和bcl-2 mRNA表达降低和caspase-3表达升高与CTX、MTX、5-Fu抗肿瘤作用有关,抑制survivin表达可以增加化疗药物的敏感性.
出处 《白血病.淋巴瘤》 CAS 2008年第1期-,共3页 Journal of Leukemia & Lymphoma
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参考文献8

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