Reappraising the value of HIV-1 vaccine correlates of protection analyses

PJ Klasse, JP Moore - Journal of Virology, 2022 - Am Soc Microbiol
With the much-debated exception of the modestly reduced acquisition reported for the
RV144 efficacy trial, HIV-1 vaccines have not protected humans against infection, and a …

CD4 downregulation precedes Env expression and protects HIV-1-infected cells from ADCC mediated by non-neutralizing antibodies

J Richard, G Sannier, L Zhu, J Prévost, L Marchitto… - Mbio, 2024 - journals.asm.org
ABSTRACT HIV-1 envelope glycoprotein (Env) conformation substantially impacts antibody-
dependent cellular cytotoxicity (ADCC). Envs from primary HIV-1 isolates adopt a prefusion …

Uninfected bystander cells impact the measurement of HIV-specific antibody-dependent cellular cytotoxicity responses

J Richard, J Prévost, AE Baxter, B von Bredow, S Ding… - MBio, 2018 - Am Soc Microbiol
The conformation of the HIV-1 envelope glycoprotein (Env) substantially impacts antibody
recognition and antibody-dependent cellular cytotoxicity (ADCC) responses. In the absence …

The HIV latency reversal agent HODHBt enhances NK cell effector and memory-like functions by increasing interleukin-15-mediated STAT activation

AB Macedo, C Levinger, BN Nguyen, J Richard… - Journal of …, 2022 - Am Soc Microbiol
Elimination of human immunodeficiency virus (HIV) reservoirs is a critical endpoint to
eradicate HIV. One therapeutic intervention against latent HIV is “shock and kill.” This …

Incomplete downregulation of CD4 expression affects HIV-1 Env conformation and antibody-dependent cellular cytotoxicity responses

J Prévost, J Richard, H Medjahed, A Alexander… - Journal of …, 2018 - Am Soc Microbiol
ABSTRACT HIV-1-infected cells expressing envelope glycoproteins (Env) in the CD4-bound
conformation on their surfaces are targeted by antibody-dependent cellular cytotoxicity …

HIV-1-specific IgA monoclonal antibodies from an HIV-1 vaccinee mediate galactosylceramide blocking and phagocytosis

S Wills, KK Hwang, P Liu, SM Dennison… - Journal of …, 2018 - Am Soc Microbiol
Vaccine-elicited humoral immune responses comprise an array of antibody forms and
specificities, with only a fraction contributing to protective host immunity. Elucidation of …

Detection of the HIV-1 Accessory Proteins Nef and Vpu by Flow Cytometry Represents a New Tool to Study Their Functional Interplay within a Single Infected CD4+ T …

J Prévost, J Richard, R Gasser, H Medjahed… - Journal of …, 2022 - Am Soc Microbiol
ABSTRACT The HIV-1 Nef and Vpu accessory proteins are known to protect infected cells
from antibody-dependent cellular cytotoxicity (ADCC) responses by limiting exposure of …

An engineered vaccine of the Plasmodium vivax Duffy binding protein enhances induction of broadly neutralizing antibodies

FB Ntumngia, CV Pires, SJ Barnes, MT George… - Scientific reports, 2017 - nature.com
Plasmodium vivax invasion into human reticulocytes is a complex process. The Duffy
binding protein (DBP) dimerization with its cognate receptor is vital for junction formation in …

Bridging vaccine-induced HIV-1 neutralizing and effector antibody responses in rabbit and rhesus macaque animal models

J Pollara, DI Jones, T Huffman, RW Edwards… - Journal of …, 2019 - Am Soc Microbiol
Studies in animal models are essential prerequisites for clinical trials of candidate HIV
vaccines. Small animals, such as rabbits, are used to evaluate promising strategies prior to …

A trimeric HIV-1 envelope gp120 immunogen induces potent and broad anti-V1V2 loop antibodies against HIV-1 in rabbits and rhesus macaques

AT Jones, V Chamcha, S Kesavardhana… - Journal of …, 2018 - Am Soc Microbiol
ABSTRACT Trimeric HIV-1 envelope (Env) immunogens are attractive due to their ability to
display quaternary epitopes targeted by broadly neutralizing antibodies (bNAbs) while …