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Evolution of broadly neutralizing antibody responses in plasma from Protocol C participants.

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posted on 2016-01-28, 12:36 authored by Elise Landais, Xiayu Huang, Colin Havenar-Daughton, Ben Murrell, Matt A. Price, Lalinda Wickramasinghe, Alejandra Ramos, Charoan B. Bian, Melissa Simek, Susan Allen, Etienne Karita, William Kilembe, Shabir Lakhi, Mubiana Inambao, Anatoli Kamali, Eduard J. Sanders, Omu Anzala, Vinodh Edward, Linda-Gail Bekker, Jianming Tang, Jill Gilmour, Sergei L. Kosakovsky-Pond, Pham Phung, Terri Wrin, Shane Crotty, Adam Godzik, Pascal Poignard

(A-C) Plasma from HIV-1 infected participants collected at various time points post infection were assessed for neutralizing activity on a predictive 6v-panel [16]. Neutralization score on the 6v-panel was calculated as indicated in Material and Methods (A) Best neutralization score across all time points tested for Protocol C participants. (B) Fraction of Protocol C individuals with the indicated plasma neutralization score at the indicated visits. Neutralization score is color-coded as indicated in (A). (C) Detailed evolution of neutralization score over time (months) for individual Protocol C best neutralizers (N = 46), organized by time to reach neutralization score ≥ 1 in months post infection (MPI). NT: Not Tested. ART: Participants was on Anti-Retroviral Therapy at this visit, OFF: Participant was off-study at this visit.