Figure 3.

Block of the NKCC1 cotransporter by bumetanide reduces the EOG amplitude in WT but not in NKCC1 KO mice The concentration of bumetanide was 50 μm. Mice were 45–86 days old. The WT series used 6 epithelia from 4 mice; the KO series used 4 epithelia from 2 mice.