Antibody effector functions are associated with protection from respiratory syncytial virus.
Cell
; 185(26): 4873-4886.e10, 2022 12 22.
Article
en En
| MEDLINE
| ID: mdl-36513064
Respiratory syncytial virus (RSV) infection is a major cause of severe lower respiratory tract infection and death in young infants and the elderly. With no effective prophylactic treatment available, current vaccine candidates aim to elicit neutralizing antibodies. However, binding and neutralization have poorly predicted protection in the past, and accumulating data across epidemiologic cohorts and animal models collectively point to a role for additional antibody Fc-effector functions. To begin to define the humoral correlates of immunity against RSV, here we profiled an adenovirus 26 RSV-preF vaccine-induced humoral immune response in a group of healthy adults that were ultimately challenged with RSV. Protection from infection was linked to opsonophagocytic functions, driven by IgA and differentially glycosylated RSV-specific IgG profiles, marking a functional humoral immune signature of protection against RSV. Furthermore, Fc-modified monoclonal antibodies able to selectively recruit effector functions demonstrated significant antiviral control in a murine model of RSV.
Palabras clave
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Virus Sincitial Respiratorio Humano
/
Infecciones por Virus Sincitial Respiratorio
Tipo de estudio:
Prognostic_studies
/
Risk_factors_studies
Límite:
Animals
Idioma:
En
Año:
2022
Tipo del documento:
Article