Fig. 2

Effects of Metformin (Met), chloroquine (CQ) and Cytarabine (AraC) on colony formation capacity of NALM-6 cells in soft agar after 28 days (magnification × 40). control group (A), Met (10 mM) (B), CQ (10 μM) (C), AraC (50 nM) (D), Met (20 mM)+AraC (15 nM) (E), and CQ (10 μM)+AraC (10 nM) (F). Data are represented as mean ± SD (n = 3 independent experiments). (****p < 0.0001, ***p < 0.001, *p < 0.05).