目的：实时观测SAHA和TRAIL联合使用后对乳腺癌雌激素受体阳性细胞MCF-7生长的影响。方法实时无标记动态细胞分析系统( real time cell analysis, RTCA)动态监测各种处理因素对乳腺癌MCF-7细胞生长状况的影响,并通过BiostationIM活细胞工作站实时收集各种处理因素对乳腺癌MCF-7细胞增殖干预的形态学证据。结果 xCELLi-gence RTCA 实时无标记动态细胞分析系统显示,随着TRAIL的加入,SAHA对MCF-7细胞的抑制作用明显增强。SAHA和TRAIL的联合用药可能提高了SAHA对MCF-7细胞的敏感性。实时活细胞工作站成像实验进一步证明SA-HA和TRAIL联合用药对MCF-7乳腺癌细胞的抑制作用强于SAHA或TRAIL单独用药。结论 SAHA和TRAIL的联合使用对MCF-7细胞的生长具有协同抑制作用。%Aim To investigate the effects of com-bined treatment of SAHA and TRAIL on human breast cancer ER positive cell line MCF-7 . Methods MCF-7 cells were treated with SAHA and/or TRAIL. The inhibitory rates were detected by real-time cell prolifer-ation assays. Morphology changes of MCF-7 cells were observed through time-lapse live cell imaging acquisi-tion. Results Real-time cell proliferation assays showed that the anti-tumor efficacy of SAHA was sig-nificantly enhanced in combination with TRAIL. The results of time-lapse live cell imaging acquisition dem-onstrated that, with treatment of SAHA and TRAIL, the growth inhibition of MCF-7 cells was more obvious than that of in TRAIL or SAHA treatment alone. Con-clusion The combination treatment of SAHA and TRAIL has a synergistic effect of growth inhibition on breast cancer MCF-7 cells.
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