Figure 5.
Overexpression of PKMζ resulted in higher intrinsic excitability in the excitatory neurons in BLA. (A) Sample spikes evoked by current injection showed higher responses in AAV-hSyn-PKMζ-GFP (right) than in AAV-hSyn-GFP (left) to the same current step (20 mV, 100 ms). (B) Current-spike frequency relationship showed higher responses in neurons expressing AAV-hSyn-PKMζ-GFP (blue) than expressing AAV-hSyn-GFP (red). (C) Sample staining of GFP and parvalbumin (PV) in sections from AAV-hSyn-GFP-expressing (left) and AAV-hSyn-PKMζ-GFP-expressing brains (right). Scale bars = 100 μm. (D) Density of neurons that are positive for both GFP and PV is very low. P = 0.1574, N = 5 sections/mice. **P < 0.01.