List of antibodies utilized for circulating and synovial cell flow cytometric analysis. Figure S1. Serum cytokine levels in Casp8 flox/flox, Cre LysM Casp8 flox/flox and Cre CD11c Casp8 flox/flox mice before and during K/BxN serum-transfer-induced arthritis. Figure S2. K/BxN serum transfer-induced arthritis in control strains. Figure S3. Caspase-8 deletion in synovial macrophages and dendritic cells of the naĂŻve joint. Figure S4. Gating strategy for synovial population distribution in mixed bone marrow chimeric joints. (DOCX 463 kb