Figure 11. Effect of chlorpromazin on the UTP or ionomycin stimulated short-circuit current in A6 cell monolayers.
Apical application of 50 μm chlorpromazin blocked UTP (300 μm)- or ionomycin (5 μm)-stimulated short-circuit currents. In A and B, UTP was applied before ionomycin whereas in C and D ionomycin was applied first.