The gene transfection experiment in vitro showed that the pDNA-chitosan nanoparticles can transfect BHK celles , and the gene can express in these celles.

• 体外基因转染实验表明壳聚糖作为一种新型的非病毒基因递送载体能够高效传递DNA进入BHK-21细胞，基因能够在该细胞中高效表达；