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RECOMBINANT BCG EXPRESSING HIV-1 P24 USING PMYONG2 VECTOR SYSTEM AND USE THEREOF AS HIV-1 VACCINE
RECOMBINANT BCG EXPRESSING HIV-1 P24 USING PMYONG2 VECTOR SYSTEM AND USE THEREOF AS HIV-1 VACCINE
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机译:使用PMYONG2载体系统表达HIV-1P24的重组BCG,并用途作为HIV-1疫苗
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摘要
Provided is a recombinant BCG employing a pMyong2 vector system to express HIV-1 p24 and a use thereof as a HIV-1 vaccine. rBCG-pMyong2-p24, which is a pMyong2 vector system, was found to induce the upregulation of HIV-1 p24 gag expression in rBCG and infected antigen-presenting cells (APC) and to induce improved p24-specific immune responses in vaccinated mice, compared to rBCG-pAL-p24 in a pAL5000 derived vector system. rBCG-pMyong2-p24 was identified to exhibit a higher p24-specific Ab production level than rSmeg-pMyong2-p24 in the same pMyong2 vector system. Therefore, the recombinant BCG employing rBCG-pMyong2-p24 to express HIV-1 p24 according to the present invention is identified to elicit enhanced immune responses to HIV-1 infection in mouse model systems and thus can be expected to be used as a prime vaccine in the heterologous prime-boost vaccination strategy against HIV-1 infection.
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