Fig. 3From: Schedule-dependent increased efficiency of pemetrexed-ionizing radiation combination therapy elicits a differential DNA damage response in lung cancer cellsProlonged MTA pretreatment exacerbates irradiation-induced cell cycle arrest and reduces the fraction of recovering cells. Flow cytometric analysis was performed at the indicated time points. Cell cycle analysis was performed as indicated in Additional file 3: Figure S3. Data shown are the mean values and standard deviations of three independent experimentsBack to article page