2022
DOI: 10.1101/2022.01.24.22269768
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Gasdermin-D activation by SARS-CoV-2 trigger NET and mediate COVID-19 immunopathology

Abstract: The release of neutrophil extracellular traps (NETs) is associated with inflammation, coagulopathy, and organ damage found in severe cases of COVID-19. However, the molecular mechanisms underlying the release of NETs in COVID-19 remain unclear. Using a single-cell transcriptome analysis we observed that the expression of GSDMD and inflammasome-related genes were increased in neutrophils from COVID-19 patients. Furthermore, high expression of GSDMD was found associated with NETs structures in the lung tissue of… Show more

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Cited by 6 publications
(6 citation statements)
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“…102 Besides, neutralizing Abs/vaccines accompanied with drugs inhibiting signaling pathways that orchestrate SARS-CoV-2 immunopathology could also improve treatment outcomes. 103 Further, a combination of cocktail mAbs with broad epitopes are reported to retain Omicron neutralization. 48,53,104,105 But, broad epitope recognizing mAbs like sotrovimab are not recommended for hospitalized and intubated COVID-19 patients.…”
Section: Discussion and Perspectivesmentioning
confidence: 99%
“…102 Besides, neutralizing Abs/vaccines accompanied with drugs inhibiting signaling pathways that orchestrate SARS-CoV-2 immunopathology could also improve treatment outcomes. 103 Further, a combination of cocktail mAbs with broad epitopes are reported to retain Omicron neutralization. 48,53,104,105 But, broad epitope recognizing mAbs like sotrovimab are not recommended for hospitalized and intubated COVID-19 patients.…”
Section: Discussion and Perspectivesmentioning
confidence: 99%
“…For instance, high expression of GSDMD has been associated with neutrophil extracellular trap (NET) structures in the lungs of patients with COVID-19. Pharmacological inhibition of GSDMD through treatment with the inhibitor disulfiram reduces NET release and organ damage in a mouse model of SARS-CoV-2 infection, suggesting that GSDMD-dependent NETosis plays a critical role in COVID-19 immunopathology ( 84 ). These functions require further study.…”
Section: Discussionmentioning
confidence: 99%
“…Core histones are replication-dependent clustered genes, and their expression only occurs during the S phase of the cell cycle [50,51]. Histones are the major component of neutrophil extracellular traps (NETs), which consist of network-like antimicrobial structures bearing nuclear proteins, DNA, and cytotoxic enzymes that capture and kill microorganisms [52,53]. This mechanism is part of the innate immune response and can be triggered by pro-inflammatory cytokines, LPS, intracellular ROS, microorganisms, and chemical agents in a process called NETosis [52].…”
Section: Neutrophil Extracellular Trap Formation (Nets) and Autoimmunitymentioning
confidence: 99%