Figure 7From: Cellular response to 5-fluorouracil (5-FU) in 5-FU-resistant colon cancer cell lines during treatment and recoveryCell cycle progression in parental and 5-FU-resistant HCT116 cell lines in response to 5-FU treatment for 24 hours: (a) cell cycle distributions showing G1/S boundary arrests at 8 hours and S phase arrests at 24 hours, showing S phase arrests at 24 hours; (b)-(d) G1, S and G2M fractions in all cell lines at 8 and 24 hours after 5-FU addition.Back to article page