Research Article

Boldine, an Alkaloid from Peumus boldus Molina, Induces Endothelium-Dependent Vasodilation in the Perfused Rat Kidney: Involvement of Nitric Oxide and Small-Conductance Ca2+-Activated K+ Channel

Figure 6

Effect of potassium channel subtype blockers on the vasodilatory effect of boldine. Effects of boldine on endothelium-intact kidney preparations that were perfused with (a) charybdotoxin or (b) iberiotoxin. The data are expressed as the mean ± SEM from six experiments.
(a)
(b)