PLCB1 and major depressive disorder: Comparing PLCB1 protein levels in subjects with MDD, BD, subjects who completed suicide without a history of psychiatric illness (suicide no Dx), and control, showed no variance in PLCB1a (H = 2.48, p = 0.48) or PLCB1b (H = 3.10, p = 0.38) across the groups in BA9 (Fig. 3a, b).