Figure 2.

Flow cytometry staining for intracellular cytokines TNF, IFN-γ, IL-17A. PBMCs were stimulated in vitro with α-CD3 for 6 h or 5 days and intracellular cytokine staining was performed for IFN-γ, TNF and IL-17A. The plotted cells are gated as CD14-CD3+CD4+CD28+ T cells. (A) A representative FACS staining. Left row: Unstimulated cells. Subsequent rows: α-CD3 stimulation at baseline and 6 months following treatment. (B-E) Intracellular cytokine stainings. (B) ACPA-positive patients, 6h stimulation (n=12). (C) ACPA-negative patients, 6h stimulation (n=7). (D) ACPA-positive patients, 5days stimulation (n=12). (E) ACPA-negative patients, 5days stimulation (n=6).

Pieper et al. BMC Immunology 2013 14:34   doi:10.1186/1471-2172-14-34
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