Figure 1.

Cell proliferation of human glioblastoma cells by gamma-irradiation. The cell number was measured at various culture passages after gamma-irradiation through tryphan blue exclusion method. (A) Relative cell viability of A172, GBM2, and U87MG cells at various culture passages after gamma-irradiation. (B) Western blot analysis of total cell extractions isolated from human glioblastoma cells, A172 and GBM2, at various culture passages after gamma-irradiation. Results of triplicate samples were expressed as mean ± SD. **p < 0.01 vs control.