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Type I interferon drives dysfunction of a distinct CD8+ HLA-DRB1+ T cell subset in systemic lupus erythematosus

2026-01-03 rheumatology Title + abstract only
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ObjectiveSystemic lupus erythematosus (SLE) is characterized by persistent type I interferon (IFN) signaling and adaptive immune dysregulation. We previously identified hypomethylation of HLA-DRB1 and STAT1 in SLE CD8+ T cells, enabling aberrant IFN-driven HLA-DRB1 expression and expansion of a distinct CD8+ T cell subset. This study aimed to comprehensively characterize CD8+ HLA-DRB1+ T cells in lupus. MethodsPeripheral blood CD8+ T cells from SLE patients and healthy controls were analyzed by...

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