Beyond neutralization: Fc-dependent antibody effector functions in SARS-CoV-2 infection

A Zhang, HD Stacey, MR D'Agostino, Y Tugg… - Nature Reviews …, 2023 - nature.com
Neutralizing antibodies are known to have a crucial role in protecting against SARS-CoV-2
infection and have been suggested to be a useful correlate of protection for vaccine clinical …

Small but Highly Versatile: The Viral Accessory Protein Vpu

M Volcic, L Wiesmüller, F Kirchhoff - Annual Review of Virology, 2023 - annualreviews.org
Human and simian immunodeficiency viruses (HIVs and SIVs, respectively) encode several
small proteins (Vif, Vpr, Nef, Vpu, and Vpx) that are called accessory because they are not …

[HTML][HTML] Asymptomatic and symptomatic SARS-CoV-2 infections elicit polyfunctional antibodies

J Dufloo, L Grzelak, I Staropoli, Y Madec, L Tondeur… - Cell Reports …, 2021 - cell.com
Summary Many SARS-CoV-2-infected individuals remain asymptomatic. Little is known
about the extent and quality of their antiviral humoral response. Here, we analyze antibody …

Broadly neutralizing anti-HIV-1 antibodies tether viral particles at the surface of infected cells

J Dufloo, C Planchais, S Frémont, V Lorin… - Nature …, 2022 - nature.com
Broadly neutralizing antibodies (bNAbs) targeting the HIV-1 envelope glycoprotein (Env) are
promising molecules for therapeutic or prophylactic interventions. Beyond neutralization …

Temsavir blocks the immunomodulatory activities of HIV-1 soluble gp120

J Richard, J Prévost, C Bourassa, N Brassard… - Cell chemical …, 2023 - cell.com
Summary While HIV-1-mediated CD4 downregulation protects infected cells from antibody-
dependent cellular cytotoxicity (ADCC), shed gp120 binds to CD4 on uninfected bystander …

Distance makes a difference in crystalline photoluminescence

Z Gan, Y Liu, L Wang, S Jiang, N Xia, Z Yan… - Nature …, 2020 - nature.com
Crystallization-induced photoluminescence weakening was recently revealed in ultrasmall
metal nanoparticles. However, the fundamentals of the phenomenon are not understood yet …

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 …

HIV-1 cell-to-cell transmission and broadly neutralizing antibodies

J Dufloo, T Bruel, O Schwartz - Retrovirology, 2018 - Springer
HIV-1 spreads through contacts between infected and target cells. Polarized viral budding at
the contact site forms the virological synapse. Additional cellular processes, such as …

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 …

Update on Fc-mediated antibody functions against HIV-1 beyond neutralization

B Su, S Dispinseri, V Iannone, T Zhang, H Wu… - Frontiers in …, 2019 - frontiersin.org
Antibodies (Abs) are the major component of the humoral immune response and a key
player in vaccination. The precise Ab-mediated inhibitory mechanisms leading to in vivo …