Table 3.

Effects of apamin and MRS2500 on neural responses and exogenous purines in colons isolated from CD38^−/− mice

	IJP		β-NAD		ADPR		ATP		ADP
	% inhibition	P value	% inhibition	P value	% inhibition	P value	% inhibition	P value	% inhibition	P value
Apamin	56 ± 3 (20)	0.000001	82 ± 5 (5)	0.00048	85 ± 4 (5)	0.0013	66 ± 9 (5)	0.0008	75 ± 8 (5)	0.013
MRS2500	99 ± 1 (21)	0.000001	82 ± 3 (6)	0.023	83 ± 4 (5)	0.0161	17 ± 7 (5)	0.3436	26 ± 4 (5)	0.2063