Fig. 4From: Inhibition of autophagy triggers melatonin-induced apoptosis in glioblastoma cellsMelatonin-induced autophagy was abolished by treatment with an autophagy inhibitor, 3-MA. The results of the Western blotting of LC3 and Beclin-1 in the U87MG (a, b) and A172 (c, d) cells treated with PBS (control) or melatonin (MLT 1 mM) for 24 h in the presence and absence of 3-MA (10 mM). Statistical significance * at P < 0.05 compared with untreated controls or the corresponding groupBack to article page