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为筛选鼻咽癌(nasopharyngeal carcinoma,NPC)的分子标志物,采用激光捕获显微切割技术(laser capture microdissection,LCM)分别从NPC组织和正常鼻咽上皮组织(normal nasopharyngal epithelial tissue,NNET)中切割纯化NPC细胞和正常鼻咽上皮细胞(normal nasopharyngal epithelial cells,NNEC),应用二维凝胶电泳(two-dimensional electrophoresi