Table 3. Electrophysiological Abnormalities of hAPP-J20 Mice Prevented by Tau Knockout.
Electrophysiological Measure* | Tau−/− Mice** | hAPP/Tau+/+ Mice** | hAPP/Tau−/− Mice*** |
---|---|---|---|
Action Potential-driven | Normal | ↓ | Normal |
IPSC Frequency | |||
Coastline Burst Index | ↓ | ↑ | ↓ |
EEG epileptiform activity (cortex) | Normal | ↑ | Normal |
eEPSC Amplitude | Normal | ↑ | Normal |
eIPSC Amplitude | Normal | ↓ | Normal |
Long-term Potentiation | Normal | ↓ | Normal |
mEPSC Frequency | Normal | ↓ | Normal |
mIPSC Frequency | Normal | ↑ | Normal |
NMDAR/AMPAR Ratio | Normal | ↓ | Normal |
Paired Pulse Ratio | Normal | ↓ | Normal |
sIPSC Frequency | ↑ | ↓ | ↑ |
Synaptic Strength (CA1) | Normal | Normal |
EPSC, excitatory post-synaptic current; IPSC, inhibitory post-synaptic current; e, evoked; m, miniature; s, spontaneous
Recorded at perforant path togranule cell synapsein dentate gyrusunless indicated otherwise. All recordings were obtained in acute hippocampal slices.
Relative to Tau+/+ mice
Relative to hAPP/Tau+/+ mice