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Figure 5 | Veterinary Research

Figure 5

From: Porcine CD8αdim/-NKp46high NK cells are in a highly activated state

Figure 5

NKp46highNK cells in spleen showed the highest cytolytic capacity. The cytolytic capacity of NKp46-defined NK-cell subsets (CD8α+NKp46-: blue, CD8α+NKp46+: green, CD8αdim/-NKp46high: red) isolated from spleen was analysed after receptor-mediated degranulation. Cells were stimulated and gated for flow cytometric analysis as outlined in Figure 4. (A) Numbers indicate the percentage of CD107a+ cells and the mean fluorescence intensity of CD107a within respective NKp46-gates. Results are representative of experiments with five different animals. (B) CD107a expression analyses of five animals analysed. The proportion of CD107a+ cells within the different NKp46-defined subsets is shown in the upper graphs. Percentage of CD107a+ NK cells was calculated by subtracting spontaneous degranulation observed in cultures stimulated with isotype-control antibodies from the frequency of CD107a+ cells in cultures stimulated with NKp46 and/or CD16 mAbs. The lower graphs show the mean fluorescence intensity of CD107a within the respective subsets. Mean values are represented by a black bar. Significant differences between the subsets are indicated (* = p < 0.05, ** = p < 0.01).

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