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This is a Experimental Study study.

October 2, 2025Open Access

Vaccine Elicitation of HIV-1 Neutralizing Antibodies Against Both V2 Apex and Fusion Peptide in Rhesus Macaques

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The dual-epitope vaccine resulted in a >1000-fold increase in neutralization titers compared to wildtype trimer.
Monoclonal antibodies targeting both FP and V2 apex showed heterologous neutralization and structural signatures like bNAbs.
Proof-of-concept results indicate simultaneous induction of antibodies against multiple HIV-1 epitopes may be achievable.
The findings highlight the potential for this approach in developing an effective HIV-1 vaccine.

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This vaccine triggers neutralizing antibodies against fusion peptide and V2 apex, suggesting new paths for HIV-1 vaccination.

Duan et al. (2025) studied this question.

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