Time-response analysis of cell cycle effects following treatment of SF188 pediatric glioblastoma cells with PI-103 (5×GI₅₀).

Data are expressed as % total cell count and presented as the mean ± SD, n≥3. Two-tailed unpaired t test was used to compare results in treated cells to controls. *P<0.05, **P<0.005, ***P<0.0005.