Methods:Prostate cancer cells PC-3 and 22Rvl were transfect- ed with plasmid pEGFP-C1 coated with chitosan nanoparticles and the expression of EGFP was observed.

• 方法:将壳聚糖纳米粒包裹的含报告基因的质粒pEGFP-C1分别转染前列腺癌细胞PC-3和22Rv1,并观察EGFP的表达情况。