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. 2007 Nov 26;153(3):517–527. doi: 10.1038/sj.bjp.0707573

Figure 7.

Figure 7

Properties of the IJP recorded in clasp muscle of eNOS(−/−) mouse in the presence of atropine, guanethidine and substance P. (A) Raw recording of membrane potential. (B) IJPs depicted in (A) at expanded time scale. Clasp muscle in eNOS(−/−) mouse had a normal response to apamin (300 nM) and L-NAME (200 μM). Unitary membrane potentials and biphasic IJPs were not different in CD1 and eNOS(−/−) mice, suggesting that myogenic eNOS is not involved in the events in clasp muscle. IJP, inhibitory junction potential; L-NAME, N-nitro-L-arginine methyl ester.