Autoantibodies stabilize neutrophil extracellular traps in COVID-19

Autor: Yogendra Kanthi, Srilakshmi Yalavarthi, Alyssa Harbaugh, Claire K Hoy, Melanie Zuo, Hui Shi, Kelsey Gockman, Jason S. Knight, Sherwin Navaz, Yu Zuo, Jacqueline A. Madison
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: JCI Insight
medRxiv
ISSN: 2379-3708
Popis: The release of neutrophil extracellular traps (NETs) by hyperactive neutrophils is recognized to play an important role in the thromboinflammatory milieu inherent to severe presentations of COVID-19. At the same time, a variety of functional autoantibodies have been observed in individuals with severe COVID-19 where they likely contribute to immunopathology. Here, we aimed to determine the extent to which autoantibodies might target NETs in COVID-19 and, if detected, to elucidate their potential functions and clinical associations. We measured anti-NET antibodies in 328 individuals hospitalized with COVID-19 alongside 48 healthy controls. We found high anti-NET activity in the IgG and IgM fractions of 27% and 60% of patients, respectively. There was a strong correlation between anti-NET IgG and anti-NET IgM (r=0.4, p
Databáze: OpenAIRE