Higher expression of TREM-1 and NAB2 in patients with BPD only.Higher expression of PU.1 in patients with MDD and a trend for higher expression of TREM-1.Higher expression of ATF3, EGR3, MAFF and MXD1 in patients with both MDD and BPD.No significant difference in expression of DAP12 in either patient group. Here, ATF3 is linked to major depressive disorder.