“…Immunostaining of brain sections or dissociated cells was performed as described previously 42 , 43 . Primary antibodies used were mouse anti-ARID1B (Abcam, ab57461, 1:500; Abnova, H00057492-M02, 1:500), rabbit anti-GABA (Sigma, A2052, 1:500), mouse anti-parvalbumin (Millipore, MAB1572, 1:500), rabbit anti-cleaved caspase-3 (Cell Signaling Technology, #9664, 1:300), mouse anti-BrdU (BD Biosciences, #555627, 1:800), rabbit anti-Phospho-Histone H3 (Cell Signaling Technology, #9701, 1:800), rabbit anti-VIAAT (Phosphosolution, 2100-VGAT, 1:500), guinea pig anti- VGluT11 (Millipore, AB5905, 1:500), rat anti-GAD2 (Developmental Studies Hybridoma Bank, GAD6, 1:500), rat anti-somatostatin (Millipore, MAB354, 1:500), rabbit anti-calbindin-D 28k (Millipore, AB1778, 1:500), mouse anti-calretinin (Millipore, MAB1568, 1:500), rabbit anti-Cux1 (Santa Cruz, sc-13024, 1:500), mouse anti-NeuN (Millipore, MAB377, 1:1000), rabbit anti-TBR1 (Millipore, AB10554, 1:500), rabbit anti-Olig2 (Millipore, AB9610, 1:500), rabbit anti-GFAP (DAKO, Z0334, 1:500), rabbit anti-PSD95 (Abcam, ab18258, 1:500) and chicken anti-GFP (Invitrogen, A10262, 1:1,500) antibodies.…”