Anti-V2 antibodies virus vulnerability revealed by envelope V1 deletion in HIV vaccine candidates

Summary: The efficacy of ALVAC-based HIV and SIV vaccines in humans and macaques correlates with antibodies to envelope variable region 2 (V2). We show here that vaccine-induced antibodies to SIV variable region 1 (V1) inhibit anti-V2 antibody-mediated cytotoxicity and reverse their ability to block...

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Main Authors: Isabela Silva de Castro, Giacomo Gorini, Rosemarie Mason, Jason Gorman, Massimiliano Bissa, Mohammad A. Rahman, Anush Arakelyan, Irene Kalisz, Stephen Whitney, Manuel Becerra-Flores, Eric Ni, Kristina Peachman, Hung V. Trinh, Michael Read, Mei-Hue Liu, Donald Van Ryk, Dominic Paquin-Proulx, Zhanna Shubin, Marina Tuyishime, Jennifer Peele, Mohammed S. Ahmadi, Raffaello Verardi, Juliane Hill, Margaret Beddall, Richard Nguyen, James D. Stamos, Dai Fujikawa, Susie Min, Luca Schifanella, Monica Vaccari, Veronica Galli, Melvin N. Doster, Namal P.M. Liyanage, Sarkis Sarkis, Francesca Caccuri, Celia LaBranche, David C. Montefiori, Georgia D. Tomaras, Xiaoying Shen, Margherita Rosati, Barbara K. Felber, George N. Pavlakis, David J. Venzon, William Magnanelli, Matthew Breed, Josh Kramer, Brandon F. Keele, Michael A. Eller, Claudia Cicala, James Arthos, Guido Ferrari, Leonid Margolis, Marjorie Robert-Guroff, Peter D. Kwong, Mario Roederer, Mangala Rao, Timothy J. Cardozo, Genoveffa Franchini
Format: Article
Language:English
Published: Elsevier 2021-02-01
Series:iScience
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589004221000158