Figure 7
From: Secondhand smoke inhibits both Cl- and K+ conductances in normal human bronchial epithelial cells
SHS reduces basolateral membrane K + conductance. A) Representative tracings (sham: open circles; SHS: shaded circles) demonstrating that amphotericin-permeabilization of the apical membrane allows for a diffusive K current (IK) that can be inhibited by Ba2+, a blocker of many K+ channels. B) Normalized changes in IK after sequential application of a K+ gradient and Ba2+ (*** p ≤ 0.001 by unpaired t-test).