HLA-DR-Expressing Fibroblast-Like Synoviocytes Are Inducible Antigen Presenting Cells That Present Autoantigens in Lyme Arthritis.
Joseph R RouseRebecca DannerAmanda WahhabMichaela PereckasChristine NguyenMecaila E McCluneAllen C SteereKlemen StrleBrandon L JutrasRobert B LochheadPublished in: ACR open rheumatology (2024)
MHC-II+ FLS are inducible APCs that can induce CD4+ T cell activation in an antigen- and CD40-dependent manner. Activated FLS can also present ECM-derived Lyme autoantigens, implicating FLS in amplifying tissue-localized autoimmunity in LA.