陈永锋 王海晶 刘丁媛 周向东.TN-C 在小细胞肺癌中的表达及STAT3 对TN-C 表达的影响[J].,2014,14(18):3429-3432 |
TN-C 在小细胞肺癌中的表达及STAT3 对TN-C 表达的影响 |
Expression of TN-C in small cell lung cancer and the effect ofSTAT3 on TN-C Expression |
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DOI: |
中文关键词: 小细胞肺癌 信号传导与转录激活因子3 肌糖蛋白-C |
英文关键词: Small cell lung cancer STAT3 TN-C |
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中文摘要: |
目的:探讨小细胞肺癌(SCLC)组织和小细胞肺癌细胞(H446)中肌糖蛋白-C(TN-C)的表达及STAT3 对TN-C表达的影响。
方法:应用免疫组化法检测58 例小细胞肺癌和17 例癌旁正常组织中TN-C 的表达水平,应用RT-PCR和Western blotting 法检测
STAT-siRNA和STAT3 过表达的H446 细胞中TN-C 的表达水平。结果:(1)小细胞肺癌组织中TN-C 的表达水平显著高于癌旁正
常组织(P<0.05);(2)在H446细胞中,TN-C 和STAT3 均呈现高表达;(3)STAT3-siRNA 处理的H446 细胞中STAT3 和TN-C 的表
达均显著降低(P<0.05),而STAT3 过表达的H446 细胞中STAT3 和TN-C 的表达均显著上调(P<0.05)。结论:TN-C 在小细胞肺癌
中的表达上调,可能受到STAT3 的调控。 |
英文摘要: |
Objective:To explore the expression of TN-C in small cell lung cancer tissues and the influence of STAT3 on TN-C
expression in H446 cells.Methods:The level of TN-C in 58 cases of SCLC tissues and 17 cases of adjacent normal lung tissue were
determined by immunohistochemistry, and the TN-C expression were also detected by RT-PCR and western blotting in STAT3-siRNA or
STAT3 overexpression H446 cells.Results:Significant up-regulation of TN-C in SCLC tissues was observed comparing with normal
adjacent tissues. Both the TN-C and STAT3 expression were up-regulated in H446 cells. The STAT3 and TN-C expression were both
decreased in STAT3-siRNA H446 cells but increased in STAT3 overexpressed H446 cells (P<0.05).Conclusion:Expression of TN-C
was up-regulated in SCLC, which may be mediated by STAT3. |
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