Table 1.
V0.5 and k values of steady-state current activation before (control) and after ACmodification of the channels in external solution containing 65 or 130 mM sodium
| Control | AC-modified | ||||
|---|---|---|---|---|---|
| V0.5 (mV) | k (mV) | V0.5 (mV) | k (mV) | ||
| 65 mNa+ | hH1 | −50.3 ± 1.6 | 9.7 ± 0.9 (8) | −61.2 ± 2.6* | 12.9 ± 1.3 (7) |
| μ1 | −32.4 ± 2.0 | 7.7 ± 0.3 (6) | −41.5 ± 2.9* | 9.7 ± 0.3* (5) | |
| 130 mNa+ | hH1 | −54.6 ± 1.5 | 8.3 ± 0.6 (8) | −71.1 ± 2.5* | 12.3 ± 1.1* (8) |
| μ1 | −37.6 ± 1.5 | 6.7 ± 0.4 (6) | −49.6 ± 1.4* | 11.6 ± 0.8* (6) | |
*
P < 0.05 (Student's t test) compared with control data in the same external sodium concentration.