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目的探讨谷胱甘肽S-转移酶,C-erbB-2在转移性非小细胞肺癌的表达及意义。方法用免疫组织化学技术对60例非小细胞肺癌及淋巴结转移灶进行检测。结果肺癌淋巴结转移组原发灶GST-π阳性率50%和C-erbB-2阳性率68%,转移淋巴结GST-π阳性率65.5%,C-erbB-2阳性率71%。肺癌淋巴结未转移原发灶GST-π阳性率28.5%,C-erbB-2阳性率57%。其中GST-π和C-erbB-2均表达阳性者占42%。结论GST-π和C-erbB-2二者均可能参与肿瘤的侵袭转移过程,二者的阳性表达呈正相关。
Objective To investigate the expression and significance of glutathione S-transferase and C-erbB-2 in metastatic non-small cell lung cancer. Methods Immunohistochemistry was used to detect 60 cases of non-small cell lung cancer and lymph node metastases. Results The positive rate of GST-π in primary lung cancer in the lymph node metastasis group was 50% and the positive rate of C-erbB-2 was 68%. The positive rate of GST-π in lymph node metastasis was 65.5%, and the positive rate of C-erbB-2 was 71%. The positive rate of GST-π in the primary metastasis of non-metastasis lymph nodes was 28.5%, and the positive rate of C-erbB-2 was 57%. Among them, 42% were positive for GST-π and C-erbB-2. Conclusion Both GST-π and C-erbB-2 may participate in the process of tumor invasion and metastasis, and the positive expression of GST-π and C-erbB-2 are positively correlated.