Nitric oxide activation of a potassium channel (BKCa) in feline lower esophageal sphincter

Table 1 Resting membrane potential (mV) of isolated cells from the lower esophageal sphincter circular and sling regions in the absence or presence of sodium nitroprusside or L-NNA

	Circular	Sling
Control	-42.2 ± 1.3	-53.0 ± 1.2
Sodium nitroprusside	-63.4 ± 5.0a	-50.3 ± 3.1
Control	-40.5 ± 1.4	-44.0 ± 1.1
L-NNA	-33.8 ± 1.5a	-38.8 ± 2.3

^aP < 0.05 vs control.