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. 2014 Nov 5;9(11):e109080. doi: 10.1371/journal.pone.0109080

Figure 2. IL-2 is required for LAG-3 blockade to augment homeostatic proliferation in vivo.

Figure 2

A) 1E6 WT or IL-2 KO CD4 T-cells transferred into RAG KO mice. Isotype control antibody or LAG-3 blocking antibody given every 2 days. Splenocytes counted and analyzed. B) 1E6 WT or IL-2 KO CD4+ T-cells were transferred into RAG KO/IL-2 KO mice. C) 1E6 WT or STAT5 KO CD4+ T-cells transferred into RAG KO mice. Isotype control antibody or LAG-3 blocking antibody was given every 2 days. Splenocytes were then counted and analyzed. D) LAG-3 antibody staining of LAG-3 on IL-2 KO cells in vivo. E) LAG-3 antibody staining of LAG-3 on STAT5 KO cells in vivo. Data shown are representative of at least two independent experiments with n = 3 mice per group.