Immuno-proteomic profiling reveals aberrant immune cell regulation in the airways of individuals with ongoing post-COVID-19 respiratory disease.
Immunity
; 55(3): 542-556.e5, 2022 03 08.
Artículo
en Inglés
| MEDLINE | ID: covidwho-1768197
ABSTRACT
Some patients hospitalized with acute COVID-19 suffer respiratory symptoms that persist for many months. We delineated the immune-proteomic landscape in the airways and peripheral blood of healthy controls and post-COVID-19 patients 3 to 6 months after hospital discharge. Post-COVID-19 patients showed abnormal airway (but not plasma) proteomes, with an elevated concentration of proteins associated with apoptosis, tissue repair, and epithelial injury versus healthy individuals. Increased numbers of cytotoxic lymphocytes were observed in individuals with greater airway dysfunction, while increased B cell numbers and altered monocyte subsets were associated with more widespread lung abnormalities. A one-year follow-up of some post-COVID-19 patients indicated that these abnormalities resolved over time. In summary, COVID-19 causes a prolonged change to the airway immune landscape in those with persistent lung disease, with evidence of cell death and tissue repair linked to the ongoing activation of cytotoxic T cells.
Palabras clave
Texto completo:
Disponible
Colección:
Bases de datos internacionales
Base de datos:
MEDLINE
Asunto principal:
Trastornos Respiratorios
/
Sistema Respiratorio
/
Linfocitos B
/
Monocitos
/
Linfocitos T Citotóxicos
/
SARS-CoV-2
/
COVID-19
Tipo de estudio:
Estudio de cohorte
/
Estudio pronóstico
Tópicos:
Covid persistente
Límite:
Adulto
/
Anciano
/
Femenino
/
Humanos
/
Masculino
/
Middle aged
Idioma:
Inglés
Revista:
Immunity
Asunto de la revista:
Alergia e Inmunología
Año:
2022
Tipo del documento:
Artículo
País de afiliación:
J.immuni.2022.01.017
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