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. 2016 Feb 25;6:30. doi: 10.3389/fonc.2016.00030

Figure 6.

Figure 6

Relative cell migration 24 h after photon and 12C heavy ion irradiation. U87 EGFR++ and LN229 EGFR++ were irradiated with single doses of 2 and 6 Gy of photon radiation, respectively (A) and 12C heavy ions (B) and migrated cells were counted after Boyden Chamber assay. The relative mean numbers of migrated cells ± SD of at least three independent experiments are plotted with the migration of untreated cells set to 100%. All differences between treated and untreated cells are significant (p < 0.05, t-test). There was no significant change in cell viability under all conditions investigated (data not shown) [modified according to Ref. (19)].