Fig. 4From: Psychostimulant-induced aberrant DNA methylation in an in vitro model of human peripheral blood mononuclear cellsChanges in DNMT (A) and TET (B) enzyme activity levels in response to repeated amphetamine or cocaine exposure in human PBMCs. One-way ANOVA, followed by Bonferroni post hoc test; **p < 0.01, ***p < 0.001, n = 18 in all groups. CTRL = control, AMP = amphetamine, COCA = cocaine; OD = optical density. Error bars indicate SEMBack to article page