Meth Induces Rapid Alkalization of Acidic Organelles, and Changes in Endosomal Structure in Dendritic Cells(A) Morphometric analysis of the decrease in acridine orange staining after 10 min treatment. Similar results were obtained in three independent experiments. (Statistics n = 25-35, mean ± SEM, **p < 0.001, ***p < 0.0001, two-tailed ANOVA.) 