METHODS : Two bladder TCC cell lines ( BLX and BLS-211 ) with different phenotypes but same origin were used to screen for differentially expressed genes by suppression subtractive hybridization ( SSH ) .
方法：以已建立的两株同一来源、不同生物学表型的膀胱移行细胞癌细胞系BLX和BLS211为材料，采用抑制性削减杂交技术（SSH）筛选差异表达的基因片段。
blx