Table 2.
V0.5 and k values of steady-state inactivation before (control) and after AC modification in external solutions containing 0, 65, or 130 mM sodium
| Control | AC-modified | ||||
|---|---|---|---|---|---|
| V0.5 (mV) | k (mV) | V0.5 (mV) | k (mV) | ||
| 0 mNa+ | hH1 | −105.2 ± 2.0 | 8.7 ± 0.1 (6) | −111.8 ± 2.3* | 9.0 ± 0.3 (6) |
| μ1 | −87.0 ± 1.1 | 6.5 ± 0.5 (6) | −94.3 ± 1.2* | 8.2 ± 0.6* (5) | |
| 65 mNa+ | hH1 | −104.2 ± 1.1 | 8.8 ± 0.2 (9) | −110.5 ± 1.8* | 9.1 ± 0.4 (7) |
| μ1 | −84.4 ± 1.4 | 6.1 ± 0.2 (5) | −91.6 ± 1.2* | 7.0 ± 0.3 (7) | |
| 130 mNa+ | hH1 | −103.8 ± 1.2 | 8.7 ± 0.4 (6) | −112.0 ± 1.2* | 9.0 ± 0.4 (6) |
| μ1 | −85.0 ± 1.6 | 6.3 ± 0.4 (6) | −92.2 ± 1.4* | 7.8 ± 0.6 (8) | |
*
P < 0.05 (Student's t test) compared with control data in the same external sodium concentration.