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Severe febrile illnesses in children may be various in presentation and aetiology but involve immune dysfunction amenable to immunomodulation. Here, the authors identify shared neutrophil and T cell dysfunction and a distinct interferon signature in critically ill children with severe febrile illness.
Antineutrophil cytoplasmic antibody (ANCA) is currently treated with broad-spectrum immune suppressive drugs. Here the authors decipher inflammatory niches in the kidney of patients with ANCA-GN by combining spatial and single-cell transcriptomics to identify ustekinumab as a promising treatment option and successfully treat four ANCA-GN patients.
Researchers have identified a mechanistic link between SARS-CoV-2 infection and multisystem inflammatory syndrome in children, providing evidence for the involvement of molecular mimicry.