Abstract
背景与目的已有的研究表明一些分子标志物在肺癌的诊断、预测疗效、判断预后中起着重要作用。本研究旨在探讨血管内皮生长因子C(vascular endothelial growth factor-C, VEGF-C)mRNA、表皮生长因子受体(epidermal growth factor receptor, EGFR)mRNA在非小细胞肺癌(non-small cell lung cancer, NSCLC)患者肿瘤组织和淋巴结组织中的表达及临床意义。方法采用RT-PCR与荧光定量PCR技术检测VEGF-C mRNA、EGFR mRNA在NSCLC患者肿瘤组织和淋巴结组织中的表达情况,并分析肿瘤组织及淋巴结组织中两因子的表达与临床病理特点的联系及它们之间的相关性。结果VEGF-C mRNA和EGFR mRNA在肺癌组患者肿瘤组织及淋巴结组织中表达水平高于良性肺病对照组(P < 0.05);淋巴结转移组表达水平明显高于无淋巴结转移组(P < 0.05);VEGF-C、EGFR在肿瘤组织中与淋巴结组织中mRNA的表达明显相关(r=0.834, P < 0.001; r=0.817, P < 0.001)。结论VEGF-C、EGFR基因高表达与淋巴结转移有关,有助于肺癌的早期诊断、预测疗效及预后判断。
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