H2AX and neoplasm: Significantly more cells were positive for γ-H2AX in tumor tissues of the RT + AL-HA-Tyr, than the RT and control groups (65.3 ± 2.4% vs. 52.5 ± 1.9% and 5.2 ± 0.9%; p < 0.01, p < 0.001, respectively; Figure 6D).