Methods Liposome entrapped plasmid pDR2/tk was transferred into HCC cells, and then different concentrations of GCV or ACV were added into each well.

• 方法 设更昔洛韦（GCV）组、阿昔洛韦（ACV） 组和对照组共3 组，脂质体包裹质粒转染人肝癌细胞后分别加入不同浓度药物；