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肺癌和肺癌前病变组织中维甲酸受体的表达

Expression of retinoic acid receptors in human lung precancerous lesions and lung cancer tissues
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摘要 目的:探讨维甲酸受体(RAR)在肺癌癌前病变(支气管黏膜上皮不典型增生)和肺癌病变中的表达。方法:在40例正常肺组织、41例支气管黏膜上皮不典型增生组织及143例肺癌患者手术标本中,用免疫组化的方法检测RAR的表达,分析RAR基因在肺癌变不同阶段间的变化。结果:80.0%(32/40)的正常肺组织中可检测到RAR基因的蛋白表达;68.3%(28/41)的支气管黏膜上皮不典型增生组织和57.6%(83/143)的肺癌组织中可检出RAR(P<0.05);且随着肺组织癌变过程的变化,RAR基因蛋白的表达呈逐渐降低的趋势(P<0.01)。吸烟者RAR蛋白检出率低于非吸烟者。结论:RAR表达下降与肺组织癌变过程密切相关,吸烟暴露可导致RAR基因表达降低,检测RAR基因表达下降可能为肺癌的早期临床诊断提供科学依据。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2009年第12期2466-2467,2470,共3页 Chinese Journal of Pathophysiology
基金 国家自然科学基金资助项目(No.30671813) 广东省科技计划资助项目(No.2002C30309 No.2008B030301265) 广东省医学科学技术研究基金资助项目(No.A2002606)
关键词 肺肿瘤 癌前病变 受体 维甲酸 Lung neoplasms Precancerous lesion Receptors retinoic acid
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参考文献11

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