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Vaccine. 2009 Mar 26;27(15):2085-8. doi: 10.1016/j.vaccine.2009.02.003. Epub 2009 Feb 12.

A recombinant DNA and vaccinia virus prime-boost regimen induces potent long-term T-cell responses to HCV in BALB/c mice.

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National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Yingxin Street 100, Xuanwu District, Beijing 100052, People's Republic of China.


To explore the best prime-boost regimen and evaluate the T-cellular response memory against HCV, we constructed two DNA vaccine candidates (pVRC-CE1E2 and pAAV-CE1E2) and two recombinant viruses (rTTV-E1E2 and rAAV-E1E2) and then assessed the immune response to different prime-boost patterns in BALB/c mice. The rTTV-E1E2 boosted the immune response to HCV DNA vaccine prime significantly, and the inverted terminal repeat sequence harboring DNA construct PAAV-CE1E2 was the best prime agent in this study. Our study provides new information for both the prime-boost regimen and long-term T-cell response for HCV vaccine development.

[Indexed for MEDLINE]

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