Immunogenicity of Multiple Gene and Clade Human Immunodeficiency Virus Type 1 DNA Vaccines

Wing Pui Kong, Yue Huang, Zhi Yong Yang, Bimal K. Chakrabarti, Zoe Moodie, Gary J. Nabel

Research output: Contribution to journalArticle

Abstract

The ability to elicit an immune response to a spectrum of human immunodeficiency virus type 1 (HIV-1) gene products from divergent strains is a desirable feature of an AIDS vaccine. In this study, we examined combinations of plasmids expressing multiple HIV-1 genes from different clades for their ability to elicit humoral and cellular immune responses in mice. Immunization with a modified Env, gp145ΔCFI, in combination with a Gag-Pol-Nef fusion protein plasmid elicited similar CD4+ and CD8+ cellular responses to immunization with either vector alone. Further, when mice were immunized with a mixture of Env from three clades, A, B, and C, together with Gag-Pol-Nef, the overall potency and balance of CD4+- and CD8 +-T-cell responses to all viral antigens were similar, with only minor differences noted. In addition, plasmid mixtures elicited antibody responses comparable to those from individual inoculations. These findings suggest that a multigene and multiclade vaccine, including components from A, B, and C Env and Gag-Pol-Nef, can broaden antiviral immune responses without immune interference. Such combinations of immunogens may help to address concerns about viral genetic diversity for a prospective HIV-1 vaccine.

Original languageEnglish (US)
Pages (from-to)12764-12772
Number of pages9
JournalJournal of Virology
Volume77
Issue number23
DOIs
StatePublished - Dec 2003
Externally publishedYes

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DNA Vaccines
recombinant vaccines
Human immunodeficiency virus 1
HIV-1
plasmids
Plasmids
immune response
vaccines
Immunization
immunization
gag-pol Fusion Proteins
Vaccines
nef Gene Products
Genes
Human Immunodeficiency Virus Proteins
microbial genetics
AIDS Vaccines
genes
Viral Antigens
viral antigens

ASJC Scopus subject areas

  • Immunology

Cite this

Kong, W. P., Huang, Y., Yang, Z. Y., Chakrabarti, B. K., Moodie, Z., & Nabel, G. J. (2003). Immunogenicity of Multiple Gene and Clade Human Immunodeficiency Virus Type 1 DNA Vaccines. Journal of Virology, 77(23), 12764-12772. https://doi.org/10.1128/JVI.77.23.12764-12772.2003

Immunogenicity of Multiple Gene and Clade Human Immunodeficiency Virus Type 1 DNA Vaccines. / Kong, Wing Pui; Huang, Yue; Yang, Zhi Yong; Chakrabarti, Bimal K.; Moodie, Zoe; Nabel, Gary J.

In: Journal of Virology, Vol. 77, No. 23, 12.2003, p. 12764-12772.

Research output: Contribution to journalArticle

Kong, WP, Huang, Y, Yang, ZY, Chakrabarti, BK, Moodie, Z & Nabel, GJ 2003, 'Immunogenicity of Multiple Gene and Clade Human Immunodeficiency Virus Type 1 DNA Vaccines', Journal of Virology, vol. 77, no. 23, pp. 12764-12772. https://doi.org/10.1128/JVI.77.23.12764-12772.2003
Kong, Wing Pui ; Huang, Yue ; Yang, Zhi Yong ; Chakrabarti, Bimal K. ; Moodie, Zoe ; Nabel, Gary J. / Immunogenicity of Multiple Gene and Clade Human Immunodeficiency Virus Type 1 DNA Vaccines. In: Journal of Virology. 2003 ; Vol. 77, No. 23. pp. 12764-12772.
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