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To investigate the spectrum of cytokines expressed by peripheral blood mononuclear cells (PBMC) from cynomolgus macaques (Macaca fascicularis), we used a semi-quantitative RT-PCR to determine levels of mRNA coding for IL-1β, IL-2, IL-4, IL-6, IL-10, IFN-γ, and TNF-α. The PCR products were labelled and quantified using a new fluorescent tag TOTO-1 (thiazole orange dimer) and an automated fluorescence-based...
Three mouse monoclonal antibodies (mAb) were produced against soluble recombinant vaccinia virus gp140 from SIVmac251. Two mAbs (1B9 and 6C11) were mapped at the aa 411-430 sequence within the V4 domain, and the third mAb (3C8) recognizes a conformation-dependent epitope on the external envelope glycoprotein. This was shown by its loss of reactivity in Western blot and ELISA with dithiothreitol-reduced...
In an attempt to analyse the role of anti-envelope immunity in the protection of rhesus monkeys against an HIV-2 intravenous challenge, rhesus macaques were immunized twice with recombinant HIV-2 ROD vaccinia viruses (10 8 p.f.u. each) at days 0 and 30, followed by booster injections of purified HIV-2 proteins at months 8, 9, 15 and 27. One group of five macaques was immunized with the Gag,...
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