山东大学耳鼻喉眼学报 ›› 2017, Vol. 31 ›› Issue (2): 67-72.doi: 10.6040/j.issn.1673-3770.0.2016.425
周华群1,张立庆1,徐朝琪2,姜盼2,王愿1,刘晓静1,董伟达1
摘要: 目的 探讨姜黄素联合白藜芦醇抑制人头颈部肿瘤细胞系增殖的机制。 方法 用姜黄素和白藜芦醇联合处理Hep2(人喉癌细胞株)及FaDu(人下咽癌细胞株),应用MTT(塞唑蓝)比色法检测细胞增殖抑制率,平板克隆增殖实验检测单个细胞集落形成能力,Hoechst33258染色检测细胞凋亡情况,同时应用Real-time PCR法检测Bax和Bcl-2 的mRNA 表达水平。 结果 姜黄素和白藜芦醇对Hep2和FaDu细胞增殖有抑制作用,二者联合处理后,对细胞增殖、细胞克隆形成能力及细胞凋亡的抑制均明显增强;同时,姜黄素和白藜芦醇上调细胞中Bax和下调Bcl-2的mRNA水平。 结论 姜黄素与白藜芦醇联合处理可抑制Hep2及FaDu细胞增殖,作用机制可能与上调Bax、下调Bcl-2基因表达有关。
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