RhoC表达对喉鳞癌Hep2肿瘤细胞凋亡、肿瘤干细胞标志物-ALDH1A1及细胞形态的影响
投稿时间:2016-08-22  修订日期:2016-09-30  点此下载全文
引用本文:刘艳丽,刘良发,郭维维.RhoC表达对喉鳞癌Hep2肿瘤细胞凋亡、肿瘤干细胞标志物-ALDH1A1及细胞形态的影响[J].医学研究杂志,2017,46(10):158-161,170
DOI: 10.11969/j.issn.1673-548X.2017.10.039
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作者单位E-mail
刘艳丽 472000 三门峡市中心医院耳鼻咽喉科  
刘良发 100050 首都医科大学附属北京友谊医院耳鼻咽喉头颈外科 liuliangfa301@263.net 
郭维维 100853 北京, 中国人民解放军耳鼻咽喉研究所  
中文摘要:目的 研究Ras同源类似物C (ras homology C,RhoC)对喉鳞状细胞癌生物学行为的影响。方法 通过脂质体转染技术将外源基因导入喉鳞状细胞癌细胞-Hep2肿瘤细胞,抑制/增强肿瘤细胞中RhoC表达,TUNEL法检测RhoC对Hep2肿瘤细胞凋亡的影响,罗丹明标记的鬼笔环肽染色细胞骨架观察Hep2肿瘤细胞形态变化,实时荧光定量核酸扩增检测(real-time quantitative polymerase chain reaction detecting system,QPCR)方法检测RhoC对Hep2肿瘤细胞肿瘤干细胞标志物乙醛脱氢酶A1(aldehyde dehydrogenase 1 family,member A1,ALDH1A1)的表达的影响。结果 抑制RhoC表达可使Hep2肿瘤细胞凋亡增强,肿瘤细胞群中肿瘤干细胞标志物ALDH1A1 mRNA表达水平降低;改变RhoC表达后,肿瘤细胞形态发生了不同的改变。结论 RhoC在喉鳞癌的转移中具有重要的作用,以RhoC为治疗靶点在控制肿瘤转移方面具有重要的临床应用价值。
中文关键词:RhoC  ALDH1A1  Hep2喉鳞癌肿瘤细胞  肿瘤干细胞  转移
 
Influence of RhoC on Apoptosis and Cancer-stem-cell-marker-ALDH1A1 and Morphology in Hep2 Laryngeal Squamous Carcinoma Cell
Abstract:Objective To investigate the effects of RhoC on biological behavior in the laryngeal squamous carcinoma. Methods By delivering exogenous gene into Hep2 laryngeal squamous carcinoma cell line, we alternatively repressed and strengthened the expression of RhoC. We tested the apoptosis of Hep2 tumor cell line with TUNEL, visualized tumor cells shape by staining cell skeleton with Alexa fluor phalloidin, measured the mRNA of CSC marker ALDH1A1 with QPCR. Results After repressing the expression of RhoC in Hep2 cell line, the apoptosis of cancer cells was elevated, the expression of CSC marker ALDH1A1 was significantly decreased.RhoC impacted the shapes of Hep2. Conclusion RhoC havd a positive role in LSCC metastasis. RhoC is a promising target of anti-metastases in LSC.
keywords:RhoC  ALDH1A1  Hep2  Cancer stem cell (CSC)  Metastasis
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