Table 2.
Type I hair cell passive membrane properties. Mean ± SEM (number of cells). g is effect size, Hedge’s g. KWA is Kruskal-Wallis ANOVA.
| Zone | K v 1.8 | V rest , mV a, b | Rinput, MΩc | τrc, msd | Cm (pF)e | Age (median, range) |
|---|---|---|---|---|---|---|
| Extrastriola | +/+ | −84 ± 3 (6) | 44 ± 6 (6) | 0.24 ± 0.03 (6) | 6.1 ± 0.4 (13) | 19.5, 14–287 |
| +/− | −88.0 ± 0.7 (28) | 55 ± 5 (24) | 0.32 ± 0.03 (23) | 5.8 ± 0.2 (44) | 21, 16–29 | |
| −/− | −63 ± 2 (15) | 1400 ± 100 (15) | 6.4 ± 0.6 (15) | 5 ± 0.2 (27) | 45, 14–202 | |
| Striola | +/+ | −87 ± 2 (4) | 50 ± 8 (4) | 0.30 ± 0.04 (4) | 7.4 ± 0.7 (7) | 43, 40–59 |
| +/− | −87 ± 3 (3) | 38 ± 8 (2) | 0.21 ± 0.01 (2) | 5.9 ± 0.6 (3) | 19, 19–20 | |
| −/− | −74 ± 5 (5) | 1000 ± 300 (4) | 4.2 ± 1.0 (4) | 4.4 ± 0.2 (14) | 202, 24–370 |
striolar −/− vs ES −/−: 2-way ANOVA, p = 0.006, g 1.2; striolar −/− vs striolar +/+,+/−: 2-way ANOVA, p = 0.005, g 1.7
−/− vs +/+: 2-way ANOVA, p < 1E-9, g 2.3; −/− vs +/−: 2-way ANOVA, p < 1E-9, g 3.4
−/− vs +/+: 2-way ANOVA, p < 1E-9, g 3.1; −/− vs +/−: 2-way ANOVA, p < 1E-9, g 3.9
−/− vs +/+: 2-way ANOVA, p < 1E-9, g 2.7; −/− vs +/−: 2-way ANOVA, p < 1E-9, g 3.4
−/− vs +/+: 2-way ANOVA, p = 3E-7, g 1.5; −/− vs +/−: 2-way ANOVA, p = 1.3E-4, g 1.0; +/− vs +/+: 2-way ANOVA, p = 0.048, g 0.6