Subtype AE HIV-1 DNA and recombinant Fowlpoxvirus vaccines encoding five shared HIV-1 genes: safety and T cell immunogenicity in macaques
AuthorDe Rose, R; Chea, S; Dale, CJ; Reece, J; Fernandez, CS; Wilson, KM; Thomson, S; Ramshaw, IA; Coupar, BEH; Boyle, DB; ...
PublisherELSEVIER SCI LTD
University of Melbourne Author/sDe Rose, Robert; Reece, Jeanette; Fernandez, Caroline; Kent, Stephen; Chea, Socheata; Batten, Caroline; SULLIVAN, MARK
AffiliationMicrobiology And Immunology
Document TypeJournal Article
CitationsDe Rose, R., Chea, S., Dale, C. J., Reece, J., Fernandez, C. S., Wilson, K. M., Thomson, S., Ramshaw, I. A., Coupar, B. E. H., Boyle, D. B., Sullivan, M. T. & Kent, S. J. (2005). Subtype AE HIV-1 DNA and recombinant Fowlpoxvirus vaccines encoding five shared HIV-1 genes: safety and T cell immunogenicity in macaques. VACCINE, 23 (16), pp.1949-1956. https://doi.org/10.1016/j.vaccine.2004.10.012.
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C1 - Journal Articles Refereed
To induce broad T cell immunity to HIV-1, we evaluated the safety, immunogenicity and dose-response relationship of DNA and recombinant Fowlpoxvirus (rFPV) vaccines encoding five shared HIV subtype AE genes (Gag, Pol, Env, Tat, Rev) in pigtail macaques. The DNA (three doses of either 1 mg or 4.5 mg) and rFPV (a single boost of either 5 x 10(7) or 2 x 10(8) plaque forming units) vaccines were administered intramuscularly without adjuvants. Broadly reactive HIV-specific T cell immunity was stimulated by all doses of the vaccines administered, without significant differences between the high and low doses studied. The vaccines induced both CD4 and CD8 T cell responses to Gag, Pol, Env and Tat/Rev proteins, with CD4 T cell responses being greater in magnitude than CD8 T cell responses. The vaccine-induced T cell responses had significant cross-recognition of heterologous HIV-1 proteins from non-AE HIV-1 subtypes. In conclusion, these subtype AE HIV-1 DNA and rFPV vaccines were safe, induced broad T-cell immunity in macaques, and are suitable for progression into clinical trials.
KeywordsMedical Biochemistry: Nucleic Acids; Infectious Diseases
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