Adam Klocperk, Marketa Bloomfield, Zuzana Parackova, Ludovic Aillot, Jiri Fremuth, Lumir Sasek, Jan David, Filip Fencl, Aneta Skotnicova, Katerina Rejlova, Martin Magner, Ondrej Hrusak, Anna Sediva
BACKGROUND: Multisystem inflammatory syndrome in children associated with COVID-19 (MIS-C) is a late complication of pediatric COVID-19, which follows weeks after the original SARS-CoV-2 infection, regardless of its severity. It is characterized by hyperinflammation, neutrophilia, lymphopenia, and activation of T cells with elevated IFN-γ. Observing the production of autoantibodies and parallels with systemic autoimmune disorders, such as systemic lupus erythematodes (SLE), we explored B cell phenotype and serum levels of type I, II, and III interferons, as well as the cytokines BAFF and APRIL in a cohort of MIS-C patients and healthy children after COVID-19...
October 28, 2023: Molecular and Cellular Pediatrics