Table 8.
Functional modulation of Nav1.6 in the absence of FGF14 by 10 μM 21a compared to 0.1% DMSO.a
| Condition | Peak Current Density (pA/pF) | Tau of Fast Inactivation (ms) | V1/2 of Activation (mV) | V1/2 of Steady-State Inactivation (mV) | Long Term Inactivation (Depolarization Cycles 2–4) | ||
|---|---|---|---|---|---|---|---|
| DMSO | −50.1 ± 3.1 (9) | 1.22 ± 0.07 (9) | −25.4 ± 1.0 (7) | −62.0 ± 1.3 (5) | 0.84 ± 0.03 | 0.76 ± 0.05 | 0.75±0.05 (6) |
| 21a | −25.8 ± 2.3*** (10) | 1.45 ± 0.15 (10) | −16.9 ± 0.67***(10) | −55.2 ± 0.85 (8)** | 0.87 ± 0.02 | 0.76 ± 0.03 | 0.70 ± 0.03 (6) |
Summary of the electrophysiological evaluation of 21a against Nav1.6 in the absence of FGF14. Results are expressed as the mean ± SEM. The number of independent experiments is shown in parentheses. A Student’s t-test was used to determine statistical significance.
p < 0.005;
p < 0.0005.