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. 2020 Jan 31;10:1563. doi: 10.1038/s41598-020-58502-9

Figure 1.

Figure 1

Scheme of the treatment of HPV-negative (FaDu) and HPV-positive (2A3) cells and tumors with concurrent cisplatin (CDDP) and a single-dose or fractionated irradiation regimen. (a) Time course of cell treatment with concurrent CDDP and a single-dose irradiation (2 Gy, IR) on day 2 for flow cytometry analyses. (b) Time course of cell treatment with concurrent CDDP fractionated irradiation regimen (3 × 2 Gy, FIR) for flow cytometry analyses. (c) Time course of tumor treatment with concurrent CDDP and IR (10 Gy) (d) Time course of tumor treatment with concurrent CDDP and FIR (8 × 2 Gy). CDDP was injected intravenously 20 min prior to single-dose or fractionated irradiation regimen on the first day only.