Figure 1.
Immune response dysregulation induced by SARS-CoV-2 in severe COVID-19. Legend: (A) Respiratory epithelial cells; (B) Resident macrophages; (C) Blood-recruited neutrophils; (D) Monocyte-derived macrophages. Abbreviations: ACE = Angiotensin Converting Enzyme; PRRs = Pattern Recognition Receptors; NF-κB = Nuclear Factor-κB; IRF = Interferon Regulatory Factor; IFN = Interferon; IL = Interleukin; TNF = Tumor Necrosis Factor; CCL = C–C motif Chemokine Ligand; CXCL = C–X–C motif Chemokine Ligand.