CD147在乳腺癌细胞中的表达及对癌细胞增殖及TGF-β信号通路的影响附视频

被引:2
作者
唐小乔
桑剑锋
张寅
史先彪
苏磊
机构
[1] 南京大学医学院附属鼓楼医院
关键词
细胞外基质金属蛋白酶诱导因子; 乳腺癌; 增殖; 转化生长因子-β;
D O I
暂无
中图分类号
R737.9 [乳腺肿瘤];
学科分类号
100214 ;
摘要
[目的]观察细胞外基质金属蛋白酶诱导因子(CD147)在乳腺癌细胞表达及对癌细胞增殖及转化生长因子-β(TGF-β)信号通路的影响。[方法]收集2018年4月至2019年2月我院诊治的50例乳腺癌患者的乳腺癌和癌旁组织样本,CD147表达采用免疫组化检测。采用Western blot检测不同乳腺癌细胞中CD147蛋白表达,乳腺癌细胞HCC1806中转染siRNA后检测乳腺癌细胞增殖能力和TGF-β信号通路蛋白表达。[结果]与癌旁组织相比,乳腺癌组织中CD147蛋白表达明显上调(χ2=54.958,P<0.001)。与正常乳腺上皮细胞MCF-10A相比,乳腺癌细胞中CD147蛋白表达水平明显上调(F=10.841,P<0.001)。与对照组相比,转染CD147-siRNA后第2d和3d细胞增殖能力明显下降(t=5.029和5.316,P=0.007和0.006),同时TGF-β、磷酸化SMAD家族成员3(p-Smad3)和转录因子E2F(E2F4)蛋白水平明显升高(t=7.934,10.427和9.985,P=0.001,<0.001和0.001),而Myc家族蛋白c(c-Myc)蛋白水平明显下降(t=10.137,P=0.001)。[结论]乳腺癌中CD147表达明显上调,CD147可能通过抑制TGF-β/Smad3信号通路来促进乳腺癌细胞增殖。乳腺癌中CD147表达在乳腺癌诊断和治疗中具有一定临床意义。
引用
收藏
页码:413 / 417
页数:5
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