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. 2017 Aug 3;8(68):112390–112400. doi: 10.18632/oncotarget.19837

Figure 4. Gold nanoparticles enhance radiation-induced DNA damage.

Figure 4

Figure 4

(A, B) Immunocytochemistry staining for phosphorylated H2AX, a marker of DNA damage response, in Huh7 and HepG2 cells exposed to γ-rays (5 Gy) and neutron radiation (5 GyE) in the absence or presence of gold nanoparticles, assessed 30 min, 6 h and 24 h after irradiation. (C) Immunoblotting of cell lysates with indicated antibodies. The absorbed doses were 5 Gy for γ-rays and 5 GyE for neutrons. Band intensities for target proteins were normalized to that for β-actin. Values represent the means of 3 experiments ± SD.