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


ABSTRACT: 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.

SUBMITTER: Deng Y 

PROVIDER: S-EPMC7115398 | biostudies-literature | 2009 Mar

REPOSITORIES: biostudies-literature

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

Deng Yao Y   Zhang Ke K   Tan Wenjie W   Wang Yue Y   Chen Hong H   Wu Xiaobing X   Ruan Li L  

Vaccine 20090212 15


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  ...[more]

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