Table 1.

RMPs of circular smooth muscle cells

Preparation	RMP (mV)
	Inner circular	Middle circular	Outer circular	All groups
WT control (n=11)	−53.6 ± 0.9	−51.5 ± 1.4	−47.5 ± 1.2##	−50.7 ± 1.1
WT + oxyhemoglobin (n=4)	−43.6 ± 1.4**	−45.4 ± 1.7*	−45.5 ± 1.8	−44.8 ± 1.4*
WT + l-NNA (n=4)	−52.8 ± 2.4	−47.0 ± 2.7	−45.1 ± 1.4#	−48.3 ± 1.8
WT + CrMP (n=4)	−45.2 ± 1.5**	−46.0 ± 1.4*	−45.1 ± 1.6	−45.5 ± 1.5*
WT + TTX (n=4)	−44.6 ± 2.0**	−44.8 ± 1.7*	−41.9 ± 1.8*	−43.7 ± 1.4**
HO-2 KO mouse (n=6)	−45.8 ± 1.7**	−45.7 ± 1.1*	−45.5 ± 0.8	−45.6 ± 1.1**
WT w/o submucosa (n=9)	−44.6 ± 0.6**	−44.9 ± 0.7**	−44.4 ± 0.6*	−44.6 ± 0.6**
WT w/o submucosa with EFS (n=4)	−44.5 ± 0.7**	−44.0 ± 0.5**	−44.4 ± 0.9	−44.3 ± 0.7**

^#P < 0.05,

^##P < 0.01 vs. inner group; 1-way ANOVA with posttest.

^*P < 0.05,

^**P < 0.01 vs. WT control; Student t test.