From: Sodium selectivity of semicircular canal duct epithelial cells
Na+-rich | K+-rich | ||||
---|---|---|---|---|---|
control | amiloride | control | amiloride | ||
permeable | Ussing chamber (Isc, μA/cm2) | 6.16 ± 0.83 (9) | 1.00 ± 0.34 (9)* | 1.71 ± 0.26 (12) | 1.17 ± 0.3 (12) ns |
Whole cell patch (I-120 mV, pA/pF) | -60.8 ± 20.3 (9) | -36.3 ± 17.3 (9)* | -3.8 ± 0.1 (5) | -3.6 ± 0.3 (5) ns | |
impermeable (I-120 mV, pA/pF) | Whole cell patch | -137.6 ± 68.7 (6) | -127.9 ± 64.2 (6) ns | -69.6 ± 6.1 (7) | -64.0 ± 5.7 (7)* |