Table 3. Primary antibodies used for immunostaining.
| Target | Host | Source | Dilution |
|---|---|---|---|
| KCNK1 (TWIK-1) | Rabbit | Abcam, ab8397 | 1:1000 |
| KCNK2 (TREK-1) | Rabbit | Abcam, ab83932 | 1:1000 |
| KCNK3 (TASK-1) | Rabbit | Abcam, ab83725 | 1:1000 |
| KCNK4 (TRAAK) | Rabbit | Abcam, ab83726 | 1:1000 |
| KCNK5 (TASK-2)* | Rabbit | Abcam, ab113966 | 1:100–3200 |
| KCNK6 (TWIK-2) | Rabbit | Abcam, ab83728 | 1:500 |
| KCNK7 (TWIK-3) | Goat | Santa Cruz Biotech, sc-241107 | 1:1000 |
| KCNK9 (TASK-3) | Rabbit | Abcam, ab83742 | 1:1000 |
| KCNK10 (TREK-2) | Rabbit | Abcam, ab84210 | 1:1000 |
| KCNK18 (TRESK) | Rabbit | Abcam, ab83930 | 1:400 |
| Glutamine synthetase | Mouse | Abcam, ab64613 | 1:1000 |
| Brn3a | Goat | Santa Cruz Biotech, sc-31985 | 1:1000 |
*This antibody did not produce detectable levels of staining in the mouse retina under any conditions tested.