Table 1.
Membrane Properties of WT and TLE Subiculum Neurons
RMP, mV | Ri, MΩ | Threshold, mV | Amplitude, mV | AP Width (ms) | Upstroke Velocity, mV/ms | Rheobase (pA) | N | |
---|---|---|---|---|---|---|---|---|
WT | −61.3 ± 0.2 | 66.0 ± 2.9 | −45.7 ± 0.3 | 96.6 ± 0.8 | 0.87 ± 0.0 | 359.0 ± 18.5 | 94.4 ± 5.0 | 16 |
TLE | −61.5 ± 0.2 | 86.8 ± 5.1** | −50.4 ± 0.6** | 98.9 ± 1.4 | 0.95 ± 0.0** | 315.8 ± 27.2 | 50.8 ± 5.3** | 12 |
WT + 4,9-ah-TTX (100 nM) | −59.3 ± 0.3 †† | 48.9 ± 2.7 †† | −41.6 ± 0.3 †† | 90.0 ± 1.6 †† | 0.99 ± 0.0 †† | 346.2 ± 16.0 | 188 ± 10.8 †† | 7 |
TLE + 4,9-ah-TTX (100 nM) | −59.6 ± 0.2 †† | 76.8 ± 9.7 | −42.9 ± 0.4 †† | 95.0 ± 2.9 | 1.1 ± 0.3 †† | 243.1 ± 20.3† | 100 ± 7.3 †† | 6 |
Values represent mean ± S.E.M, n= number of cells. RMP; Resting membrane potential. Ri; input resistance.
p<0.01 compared to WT,
p<0.05 compared to no 4,9-ah-TTX,
p<0.01 compared to no 4,9-ah-TTX, Student’s T-test with Welch’s Correction