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Background and objective Neoadjuvant chemotherapy (NACT) plays an important role in systemic chemotherapy for non-small cell lung cancer (NSCLC). P-glycoprotein (P-gp), lung resistance related protein (LRP), multidrug resistance-associated protein (MRP) and glutathione S-transferase (GST-π) may be associated to drug resisitance to chemotherapy in NSCLC. The aim of this study is to investigate the expressions of P-gp, LRP, MRP and GST-π in samples from NSCLC patients before and after treatment with NACT, and their quantitative changes, so that to evaluate the influence of NACT on drug resistance to chemotherapy of NSCLC. Methods Total 92 specimens from 72 cases of NSCLC, including 52 samples of surgery excision from non-NACT-treated patients and 20 paired samples before and after NACT from the same patient,were studied. The expression of P-gp, LRP, MRP and GST-π was detected with tissue chip technique and immunohistochemistry. The quantitative analysis was carried out by computer image analysis system. Re

作者:项峰钢;于文娟;沈毅;WU Cuijiao;WANG Yuewei

来源:中国肺癌杂志 2007 年 10卷 5期

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| 浏览:208 | 下载:1
作者:
项峰钢;于文娟;沈毅;WU Cuijiao;WANG Yuewei
来源:
中国肺癌杂志 2007 年 10卷 5期
标签:
Drug resistance protein Neoadjuvant chemotherapy Non-small cell lung cancer Tissue chip Quantitation
Background and objective Neoadjuvant chemotherapy (NACT) plays an important role in systemic chemotherapy for non-small cell lung cancer (NSCLC). P-glycoprotein (P-gp), lung resistance related protein (LRP), multidrug resistance-associated protein (MRP) and glutathione S-transferase (GST-π) may be associated to drug resisitance to chemotherapy in NSCLC. The aim of this study is to investigate the expressions of P-gp, LRP, MRP and GST-π in samples from NSCLC patients before and after treatment with NACT, and their quantitative changes, so that to evaluate the influence of NACT on drug resistance to chemotherapy of NSCLC. Methods Total 92 specimens from 72 cases of NSCLC, including 52 samples of surgery excision from non-NACT-treated patients and 20 paired samples before and after NACT from the same patient,were studied. The expression of P-gp, LRP, MRP and GST-π was detected with tissue chip technique and immunohistochemistry. The quantitative analysis was carried out by computer image analysis system. Re

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