Flow cytometric analysis of CD83 expression in PBMC cells (stimulated with 20 ng/mL recombinant human IL-4, 20 ng/mL recombinant human TNF, and 20 ng/mL recombinant human GM-CSF for 7 days) using FITC conjugated CD83 antibody (Cat#F0303-FITC). Grey, isotype control (FITC mouse IgG1 kappa); green, FITC conjugated CD83.