In the Depression-GSE76826 dataset, the area under the curve (AUC) values were BHLHE41 (0.8333), EPCAM (0.7500), ADH4 (0.7500), GSTM2 (0.8333), and GADD45G (0.8500) (Figure 5A). Here, GSTM2 is linked to major depressive disorder.