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). The gene discussed is GADD45G; the disease is major depressive disorder.