Table 2.
Percentage of AQP2 at the apical plasma membrane: effect of acute dDAVP on inner medullas of Sprague-Dawley rats
| Control Group | |||||
|---|---|---|---|---|---|
| Rat no. | Total cells counted | Total number of gold | Intracellular gold | Apical gold | Apical/total, % |
| 1 | 5 | 2,693 | 2,360 | 333 | 12.4 |
| 2 | 5 | 2,303 | 2,167 | 136 | 5.9 |
| 3 | 4 | 1,501 | 1,185 | 256 | 17.1 |
| 4 | 5 | 3,157 | 2,833 | 324 | 10.3 |
| Mean | 11.4 | ||||
| SE | 2.3 | ||||
| dDAVP group | |||||
| 1 | 5 | 2,083 | 1,570 | 533 | 25.6 |
| 2 | 5 | 2,386 | 1,554 | 832 | 34.9 |
| 3 | 5 | 3,356 | 2,679 | 707 | 21.1 |
| 4 | 5 | 3,176 | 2,522 | 654 | 20.6 |
| Mean | 25.5 | ||||
| SE | 3.3 | ||||
| P value | 0.015 | ||||
Each cell counted was from a different inner medullary collecting duct. Total number of gold reflects the number of gold particles counted in all cells for a particular rat. P value was obtained from 2-tailed test, unpaired t-test with Welch correction.