Tetramethylpyrazine stimulates cystic fibrosis transmembrane conductance regulator-mediated anion secretion in distal colon of rodents

Figure 3 Effect of Cl^- channel blockers. Representative I_SC recording with arrows indicating the response to TMP (5 mmol/L, basolateral) and apical addition of channel blockers DIDS (100 mmol/L) and glibenclamide (1 mmol/L).