Antiviral neutralizing antibodies: from in vitro to in vivo activity

DR Burton - Nature Reviews Immunology, 2023 - nature.com
Neutralizing antibodies (nAbs) are being increasingly used as passive antiviral reagents in
prophylactic and therapeutic modalities and to guide viral vaccine design. In vivo, nAbs can …

Broadly neutralizing antibodies for HIV-1 prevention

SR Walsh, MS Seaman - Frontiers in immunology, 2021 - frontiersin.org
Given the absence of an effective vaccine for protection against HIV-1 infection, passive
immunization strategies that utilize potent broadly neutralizing antibodies (bnAbs) to block …

Complement is activated by elevated IgG3 hexameric platforms and deposits C4b onto distinct antibody domains

L Abendstein, DJ Dijkstra, RTN Tjokrodirijo… - Nature …, 2023 - nature.com
IgG3 is unique among the IgG subclasses due to its extended hinge, allotypic diversity and
enhanced effector functions, including highly efficient pathogen neutralisation and …

FcγR binding and ADCC activity of human IgG allotypes

SW De Taeye, AEH Bentlage, MM Mebius… - Frontiers in …, 2020 - frontiersin.org
Antibody dependent cellular cytotoxicity (ADCC) is an Fc-dependent effector function of IgG
important for anti-viral immunity and anti-tumor therapies. NK-cell mediated ADCC is mainly …

Engineered ACE2-Fc counters murine lethal SARS-CoV-2 infection through direct neutralization and Fc-effector activities

Y Chen, L Sun, I Ullah, G Beaudoin-Bussières… - Science …, 2022 - science.org
Soluble angiotensin-converting enzyme 2 (ACE2) constitutes an attractive antiviral capable
of targeting a wide range of coronaviruses using ACE2 as their receptor. Using structure …

A SARS-CoV-2 antibody broadly neutralizes SARS-related coronaviruses and variants by coordinated recognition of a virus-vulnerable site

T Onodera, S Kita, Y Adachi, S Moriyama, A Sato… - Immunity, 2021 - cell.com
Potent neutralizing SARS-CoV-2 antibodies often target the spike protein receptor-binding
site (RBS), but the variability of RBS epitopes hampers broad neutralization of multiple …

Maternal Fc-mediated non-neutralizing antibody responses correlate with protection against congenital human cytomegalovirus infection

EC Semmes, IG Miller, CE Wimberly… - The Journal of …, 2022 - Am Soc Clin Investig
Human cytomegalovirus (HCMV) is the most common congenital infection and a leading
cause of stillbirth, neurodevelopmental impairment, and pediatric hearing loss worldwide …

[HTML][HTML] Maternal immune protection against infectious diseases

SN Langel, M Blasi, SR Permar - Cell Host & Microbe, 2022 - cell.com
The maternal immune system protects developing offspring against pathogens before birth
via transplacental transfer and after birth through secreted milk. This transferred maternal …

[HTML][HTML] ADCC-activating antibodies correlate with decreased risk of congenital human cytomegalovirus transmission

EC Semmes, IG Miller, N Rodgers, CT Phan, JH Hurst… - JCI insight, 2023 - ncbi.nlm.nih.gov
Human cytomegalovirus (HCMV) is the most common vertically transmitted infection
worldwide, yet there are no vaccines or therapeutics to prevent congenital HCMV (cCMV) …

Potent TRIM21 and complement-dependent intracellular antiviral immunity requires the IgG3 hinge

S Foss, A Jonsson, M Bottermann, R Watkinson… - Science …, 2022 - science.org
Humans have four IgG antibody subclasses that selectively or differentially engage immune
effector molecules to protect against infections. Although IgG1 has been studied in detail …