(A) Representative dendritic segments of hippocampal neurons labeled with antibodies to surface GABAAR(γ2) and intracellular gephyrin and VGAT. Neurons were fixed at 20, 45, and 90 min post-treatment: iLTP induction, iLTP induction in the presence of cycloheximide (CHX), or CHX alone. Scale bar, 10 μm.
(B) Quantification of cluster area and density from (A). n = 15 or 16 cells per condition. Colored stars compare statistical significance to the control (ctrl).
(C) Hippocampal lysates analyzed at 45 and 90 min post-iLTP induction. Protein levels were normalized to GAPDH; n = 5.
(D) α1, γ2, and gephyrin upregulation can be blocked by cycloheximide (CHX) at 90 min post-iLTP. Protein levels were normalized to GAPDH; n = 5.
All values represent mean ± SEM. *p < 0.05 and **p < 0.01, one-way ANOVA, Bonferroni post hoc test (C) or two-way ANOVA, Bonferroni post hoc test (B and D).