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Influence of VEGF, the VEGF-R2 inhibitor axitinib, or irradiation with 2 Gy photons on cell proliferation of U-87 cells (A) and influence of VEGF combined with axitinib on U-251 cell proliferation (B).
VEGF was added at 0.1 μg/mL, axitinib at 100 μg/mL. Data were expressed as the mean ± standard error, and analyzed by unpaired t-test.***P < 0.001, vs. control group.
