Abstract
Chitosan nanoparticles (CS NPs) were prepared as a carrier for Human papillomavirus type 16 HPV-16) E7 gene and their gene transfection ability were evaluated in vitro. The plasmid expressing green fluorescent protein (pEGFP) was used as a reporter gene. Gel electrophoresis demonstrated full binding of CS NPs with the pDNA. The transfection of CS-pEGFP NPs was efficient in CHO cells and the expression of green fluorescent proteins was well observed. The expression of E7 proteins was confirmed under SDS-PAGE and western blot analysis. As a conclusion CS NPs may serve as an effective nonviral carrier for delivery of nucleotides into eukaryotic cells.
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