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. 2010 Dec 16;5(12):e15339. doi: 10.1371/journal.pone.0015339

Figure 7. Comparative analysis of the lysis of non-irradiaited and irradiated ECs.

Figure 7

Comparative analysis of the lysis of non-irradiated and irradiated (4 Gy) HUVECs (A), EA.hy926 cells (B) and HMECs (C) by un-stimulated and TKD/IL-2-stimulated NK cells. The data represent the mean values of three independent experiments and were obtained using 4 h granzyme B ELISPOT assays. The effector to target ratios ranged from 10∶1 to 0.16∶1. An asterisk marks values which are significantly different to values derived with non-irradiated target cells *, p<0.05 at all E∶T ratios.