Antibodies against human endogenous retrovirus K102 envelope activate neutrophils in systemic lupus erythematosus
Tokuyama M, Gunn BM, Venkataraman A, Kong Y, Kang I, Rakib T, Townsend MJ, Costenbader KH, Alter G, Iwasaki A. Antibodies against human endogenous retrovirus K102 envelope activate neutrophils in systemic lupus erythematosus. Journal Of Experimental Medicine 2021, 218: e20191766. PMID: 34019642, PMCID: PMC8144942, DOI: 10.1084/jem.20191766.Peer-Reviewed Original ResearchConceptsSystemic lupus erythematosusNeutrophil extracellular trapsLupus erythematosusImmune complexesFormation of NETsEnvelope proteinSLE patient bloodInnate immune activationImmune complex formationActivate neutrophilsInterferon statusAutoantibody levelsIgG levelsHigher interferonImmune activationNeutrophil phagocytosisSLE IgGNeutrophil activationExtracellular trapsSLE plasmaNeutrophil elastasePatient's bloodErythematosusNeutrophilsPhagocytosisDiverse functional autoantibodies in patients with COVID-19
Wang EY, Mao T, Klein J, Dai Y, Huck JD, Jaycox JR, Liu F, Zhou T, Israelow B, Wong P, Coppi A, Lucas C, Silva J, Oh JE, Song E, Perotti ES, Zheng NS, Fischer S, Campbell M, Fournier JB, Wyllie AL, Vogels CBF, Ott IM, Kalinich CC, Petrone ME, Watkins AE, Dela Cruz C, Farhadian S, Schulz W, Ma S, Grubaugh N, Ko A, Iwasaki A, Ring A. Diverse functional autoantibodies in patients with COVID-19. Nature 2021, 595: 283-288. PMID: 34010947, DOI: 10.1038/s41586-021-03631-y.Peer-Reviewed Original ResearchConceptsPeripheral immune cell compositionSARS-CoV-2 infectionCOVID-19Effects of autoantibodiesTissue-associated antigensSpecific clinical characteristicsInnate immune activationImmune cell compositionCOVID-19 exhibitCOVID-19 manifestsAnalysis of autoantibodiesSARS-CoV-2Functional autoantibodiesMouse surrogateClinical characteristicsVirological controlClinical outcomesImmune activationMild diseaseAsymptomatic infectionAutoantibody reactivityDisease progressionHealthcare workersHigh prevalenceAutoantibodies