List of abbreviations
SLE: systemic lupus erythematosus; LE: lupus erythematosus; RA: rheumatoid arthritis ; SpA: spondyloarthritis; OA: osteoarthritis; ARA/ACR: American Rheumatism Association/ American College of Rheumatology; ASAS: assessment of spondyloarthritis international society; SF: synovial fluid; PB: peripheral blood; SFMC/PBMC: synovial fluid-/peripheral blood- mononuclear cells; ACPA: anti citrullinated peptides antibodies; RF: rheumatoid factor; ANA: antinuclear antibodies; CRP: C-reactive protein; CBA: cytokine bead array; tSNE: t-distributed stochastic neighbor embedding; DMSO/FCS: dimethyl-sulfoxide/fetal calf serum; Th: T helper cell; Th17: T-helper 17; TPH: T-peripheral helper; Treg: T-regulatory cell; DC: dendritic cells; cDC: classical dendritic cell; CD4/CD8/CD3/CD28/CD11c: CD- cluster of differentiation; CCR4/CCR6: CCR- chemokine receptor; CXCR/CXCR3/CXCR5: CXCR:C-X-C chemokine receptor; Eomes: Eomesodermin; HLA-DR: Human Leucocyte Antigen-DR isotype; FoxP3:forkhead box P3; PD-1: programmed cell death protein-1; GZMA: granzyme A; TNF: tumor necrosis factor; IL-1β/IL-2/IL-4/IL-6/IL-8/IL-10/IL-17A, IL: interleukin; IFNγ: interferon gamma; IgA/IgM: Immunoglobulin, isotype A/isotype M , IQR: interquartile range