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Fig. 5 | Retrovirology

Fig. 5

From: HIV-Tat immunization induces cross-clade neutralizing antibodies and CD4+ T cell increases in antiretroviral-treated South African volunteers: a randomized phase II clinical trial

Fig. 5

Neutralization of Tat/Env complex entry in DC. Baseline values (left panels) and changes from baseline after immunization (right panels) of B-clade Env entry in DC in the absence (a) or presence (b) of B-clade Tat in anti-Tat Ab-positive (n = 13) vaccinees, and anti-Tat Ab-positive (n = 6) or anti-Tat Ab-negative (n = 5) placebos at week 20 and 48 from the first immunization. Reduction of Env entry in DC by sera indicates neutralization. Student’s t test was applied to evaluate the changes from baseline within and between treatment groups

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