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. 2015 Aug 20;10(8):e0136292. doi: 10.1371/journal.pone.0136292

Fig 7. Activity of NK cells after stimulation with cytokines.

Fig 7

Peripheral blood (A) and rectal cells (B) were stimulated with IL-12 and IL-15 during 48 h, and then monoclonal antibodies against granzyme B, perforin, TNFα, CD107a and IFN-γ were added. The expression of these molecules was detected by flow cytometry as described in Materials and Methods. The results are presented as median, range minimum and maximum. A Mann Whitney test was used with a confidence level of 95%. Significant differences are indicated at the top of the figure. (*p<0.05, **p<0.01).