Table 3.
Unpaired ribbons and GluA3 puncta (mean ± SD) per IHC in unexposed, 1 d, or 2 weeks after 100 dB SPL exposure in Vglut3WT, Vglut3+/−, and Vglut3KO in apical, middle, and basal cochlear regionsa
| Ribbons |
GluA3 |
||||||
|---|---|---|---|---|---|---|---|
| Unexposed | 1 d | 2 weeks | Unexposed | 1 d | 2 weeks | ||
| Tonotopic region (kHz) | |||||||
| Apical (9) | Vglut3WT | 0.2 ± 0.1 | 0.2 ± 0.0 | 0.3 ± 0.0 | 0.4 ± 0.1 | 0.3 ± 0.1 | 0.2 ± 0.1 |
| Vglut3+/− | 0.2 ± 0.1 | 0.3 ± 0.1 | 0.5 ± 0.1 | 0.4 ± 0.1 | 0.5 ± 0.1 | 0.5 ± 0.2 | |
| Vglut3KO | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.4 ± 0.0 | 0.7 ± 0.1 | 0.4 ± 0.1 | |
| Middle (22.5) | Vglut3WT | 0.3 ± 0.1 | 1.8 ± 0.4 | 0.8 ± 0.1 | 0.5 ± 0.1 | 3.2 ± 0.6 | 1.9 ± 0.6 |
| Vglut3+/− | 0.2 ± 0.1 | 2.2 ± 0.4 | 0.8 ± 0.1 | 0.2 ± 0.1 | 4.7 ± 0.9 | 1.6 ± 0.3 | |
| Vglut3KO | 0.5 ± 0.0 | 0.6 ± 0.1 | 0.6 ± 0.2 | 0.4 ± 0.1 | 0.8 ± 0.2 | 0.9 ± 0.2 | |
| Basal (44.5) | Vglut3WT | 0.3 ± 0.1 | 2.5 ± 0.3 | 0.4 ± 0.0 | 0.7 ± 0.1 | 3.1 ± 0.3 | 1.6 ± 0.2 |
| Vglut3+/− | 0.5 ± 0.3 | 2.8 ± 0.3 | 1.4 ± 0.3 | 0.5 ± 0.3 | 4.4 ± 0.6 | 2.8 ± 0.2 | |
| Vglut3KO | 0.3 ± 0.1 | 0.6 ± 0.2 | 0.7 ± 0.2 | 0.4 ± 0.1 | 0.6 ± 0.2 | 0.6 ± 0.2 | |
aSee also Figure 4.