Table 2.
Parameters of Kv Current
| Control |
High K+ (1.5K) |
|||
|---|---|---|---|---|
| High CF (n = 8) | Low CF (n = 8) | High CF (n = 10) | Low CF (n = 8) | |
| Kv1 current (nA) | 0.5 ± 0.1 | 0.6 ± 0.1 | 2.1 ± 0.2a,b | 0.9 ± 0.1a |
| Kv3 current (nA) | 7.7 ± 0.4 | 7.6 ± 0.7 | 9.7 ± 0.6c | 10.1 ± 1.0c |
| Kv1 V1/2 (mV) | −51.4 ± 0.8 | −51.8 ± 0.7 | −53.4 ± 0.6c | −53.1 ± 1.0 |
| Kv3 V1/2 (mV) | −21.6 ± 0.5 | −19.4 ± 1.1 | −20.0 ± 0.7 | −18.5 ± 1.3 |
| Kv1 slope (mV) | 3.5 ± 0.3 | 4.0 ± 0.2 | 4.7 ± 0.2a | 4.7 ± 0.8 |
| Kv3 slope (mV) | 5.8 ± 0.2 | 5.9 ± 0.1 | 5.7 ± 0.1 | 6.3 ± 0.2 |
a
p < 0.01 (between control and high-K+ condition).
b
p < 0.01 (between high- and low-CF neurons).
c
p < 0.05 (between control and high-K+ condition).