Abstract
Objective
To evaluate transduction efficiency with recombinant adenovirus-mediated p53 (rAd/p53) therapy in a human colon cancer mouse model by intra-tumoral injection and intra-arterial delivery.
Methods
The tumor pieces of human colon cancer SW480 were implanted in the livers of 45 nude mice. These mice were administrated with rAd/p53 by intratumoral injection and intra-arterial delivery. After 24 h, 48 h and 72 h rAd/p53 administration, 5 mice each group were killed with over anesthesia and their livers were removed. P53 expression and apoptosis of tumor and liver were assessed.
Results
P53 expression and apoptosis of intratumoral administration group was higher than tail vein group and control group. Apoptosis and p53 expression of livers in three groups had no significant difference.
Conclusion
p53 gene transduction efficiency and anticancer effect of rAd/p53 is much better by intra-tumoral injection than intra-arterial delivery.
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Supported by grants from Guangzhou Health Agency (No. 2008-YB-034) and Guangdong Department of Science and Technology (No. 83083).
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Xie, Q., Liang, B., Zhang, J. et al. In vivo comparison of transduction efficiency with recombinant adenovirus-mediated p53 in a human colon cancer mouse model by different delivery routes. Chin. -Ger. J. Clin. Oncol. 7, 704–708 (2008). https://doi.org/10.1007/s10330-008-0123-y
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DOI: https://doi.org/10.1007/s10330-008-0123-y