Synovial tissue myeloid dendritic cell subsets exhibit distinct tissue-niche localization and function in health and rheumatoid arthritis

Abstract excerpt

DC2s, which interacted with naive T cells, potentially driving the local expansion of new effector T cells. Remission saw the resolution of these pathogenic niches but lacked recovery of tolerogenic DC2s and exhibited activation of blood precursors of ST-DC3 clusters prior to flare-ups. Targeting pathogenic DC3s or restoring tolerogenic DC2s may help restore immune homeostasis in RA joints.

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