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Identification of optimal antigen(s) and adjuvant combination(s) to elicit potent, protective, and long-lasting immunity has been a major challenge for the development of effective vaccines against chronic viral pathogens, such as HIV-1, for which there are not yet any licensed vaccines. Here we describe the use of a novel adjuvant approach employing Carbopol 971P ® NF (hereafter referred...
We previously reported that an envelope (Env) glycoprotein immunogen (o-gp140ΔV2SF162) containing a partial deletion in the second variable loop (V2) derived from the R5-tropic HIV-1 isolate SF162 partially protected vaccinated rhesus macaques against pathogenic SHIV SF162P4 virus. Extending our studies to subtype C isolate TV1, we have purified o-gp140ΔV2TV1 (subtype C ΔV2 trimer) to homogeneity,...
Loading of most endogenous peptides on major histocompatibility complex class I molecules is conditional on their transport into the endoplasmic reticulum (ER) by the peptide transporter TAP. We describe an HSV-2/1 cross-reactive cytotoxic T-cell (CTL) epitope that is processed in a TAP1-independent manner in vivo following immunization of TAP1−/− mice with naked DNA or a recombinant vaccinia virus...
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