Objective To screen NS gene specific positive cell clones,and investigate the effect of human esophagus cancer Eca-109 cells proliferation in vitro by NS gene specific RNA interference.

• 目的筛选NS基因特异性siRNA阳性细胞克隆,研究NS基因特异性RNA干扰对Eca-109细胞株体外增殖能力的影响。