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. 2015 May 4;212(5):793–807. doi: 10.1084/jem.20141849

Figure 4.

Figure 4.

LEF1 promoted development of iNKT cells that produce IL-4 or IL-4 plus IFNγ. (A) Expression of IL-4 and IFNγ in PLZFhi and PLZFlo iNKT cells was determined by flow cytometry, after a 4-h in vitro stimulation of thymocytes with PMA and ionomycin. (B) Expression of IL-4, IFNγ, or IL-17A in thymic Tetr+TCRβ+ iNKT cells from control and Lef1Δ/Δ mice after a 4-h in vitro stimulation of thymocytes with PMA and ionomycin. Plots are representative of four to six independent experiments. (C) The mean percentage of control and Lef1Δ/Δ iNKT cells that expressed IL-4, IFNγ, IL-4 plus IFNγ, or IL-17A. Data were averaged from six independent experiments. (D) Expression of CD8α and EOMES in TCRβ+CD8α+ thymocytes was determined by flow cytometry. (E) The mean percentage of EOMES+ cells among TCRβ+CD8α+ thymocytes from four independent experiments. All error bars represent SEM. *, P < 0.05; **, P < 0.01; ***, P < 0.001.