Online database search revealed that 13 DEPs (i.e., OLIG1, KIBRA, RAI1, FGFR2, DDC, MED22, SLIT2, LMTK3, CSMD1, COX3, FSTL1, GRIK4, CRHBP) were associated with depression. Here, LMTK3 is linked to major depressive disorder.