Fig. 7From: In vitro toxic evaluation of two gliptins and their main impurities of synthesisDNA damage in LMW DNA diffusion assay in 3 T3 cells 24 h after incubation with drugs and impurities. Sitagliptin – STG (a), impurity S1 (b), impurity S2 (c), vildagliptin – VLG (d), impurity V1 (e), impurity V2 (f). Results expressed as mean ± standard error of the mean. Statistical analysis performed through ANOVA/BonferroniBack to article page