山东大学耳鼻喉眼学报 ›› 2017, Vol. 31 ›› Issue (4): 60-63.doi: 10.6040/j.issn.1673-3770.0.2016.362
赵锦成,石颖,张颖,贾占红,马新,张京秋,吴再军,王宇
ZHAO Jincheng, SHI Ying, ZHANG Ying, JIA Zhanhong, MA Xin, ZHANG Jingqiu, WU Zaijun, WANG Yu
摘要: 目的 研究抑癌基因H-钙黏素(CDH13)在人头颈部鳞癌细胞系SCC10A和PCI-37B中的表达水平及其启动子区域的甲基化状态。 方法 定量 PCR和Western blotting检测CDH13在头颈鳞癌细胞系SCC10A和PCI-37B及两种正常组织中的mRNA和蛋白表达变化,并通过甲基化特异性PCR和硫化测序检测CDH13基因启动子区域的甲基化情况。 结果 与正常组织比较,头颈鳞癌细胞SCC10A和PCI-37B中CDH13的mRNA和蛋白表达水平均降低。SCC10A和PCI-37B细胞中CDH13基因甲基化水平高于口腔黏膜正常组织,人头颈鳞癌细胞系中CDH13基因启动子区域呈高甲基化状态。 结论 CDH13启动子区域高甲基化可能是导致人头颈鳞癌中CDH13表达沉默的重要因素,但其影响肿瘤发生发展的具体机制仍需进一步探究。
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