Table 1. Peak Na+ current density and persistent Na+ current.
Na+ current tested | Con | CaM | |||||
---|---|---|---|---|---|---|---|
Peak current density | Persistent Na+ current | n | Peak current density | Persistent Na+ current | n | ||
pApF | % of peak | pApF | % of peak | ||||
NaV1.5TTX-S | −210 ± 13 | 0.63 ± 0.08 | 35 | −211 ± 16 | 0.54 ± 0.09 | 25 | |
D1790G | −170 ± 22 | 0.76 ± 0.11 | 22 | −180 ± 22 | 0.57 ± 0.09 | 17 | |
Y1795C | −205 ± 21 | 1.74 ± 0.19a | 18 | −192 ± 12 | 0.48 ± 0.07 | 18 | |
E1901Q | −175 ± 18 | 2.47 ± 0.53a | 13 | −176 ± 24 | 0.30 ± 0.07 | 13 | |
Q1909R | −188 ± 21 | 1.40 ± 0.12a | 15 | −200 ± 28 | 0.50 ± 0.07 | 15 | |
R1913H | −184 ± 16 | 1.51 ± 0.21a | 15 | −188 ± 20 | 0.50 ± 0.08 | 15 | |
L1917K | −185 ± 21 | 0.27 ± 0.06 | 11 | −175 ± 25 | 0.29 ± 0.06 | 11 | |
ΔKPQ | −171 ± 19 | 1.90 ± 0.19a | 14 | −170 ± 27 | 1.95 ± 0.21a | 14 | |
NaV1.2 WT | −228 ± 37 | 0.66 ± 0.17 | 16 | −193 ± 16 | 0.50 ± 0.13 | 16 | |
H1853R | −204 ± 17 | 1.41 ± 0.20b | 15 | −181 ± 27 | 0.61 ± 0.13b | 15 | |
R1918H | −158 ± 27 | 3.17 ± 0.53b | 20 | −162 ± 27 | 0.80 ± 0.12b | 20 | |
NaV1.6 WT | −70 ± 4.7 | 13.20 ± 2.34 | 24 | −79 ± 13 | 5.01 ± 0.92c | 24 | |
NaV1.6TTX-R in Purkinje neurons | −119 ± 16 | 6.96 ± 0.91 | 12 | −130 ± 10 | 3.36 ± 0.45c | 10 | |
Purkinje neurons | −137 ± 13 | 9.03 ± 0.74 | 22 | −132 ± 11 | 3.75 ± 0.54c | 18 |
P < 0.01 compared with NaV1.5TTX-S.
P < 0.01 compared with NaV1.2.
P < 0.01 compared with Con.