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. 2006 Oct 3;149(6):625–634. doi: 10.1038/sj.bjp.0706906

Figure 3.

Figure 3

Representative traces (a) and the concentration-related effect of NaHS (b; 50–1600 μM) on PE-precontracted aortic rings, which were partially relaxed by addition of acetylcholine (400 nM). Vertical bar indicates tension scale (g). Horizontal bar shows time (min). Drugs were injected at the arrows as indicated. Glibenclamide (b, 10 μM) was added to the organ bath 3 min before addition of NaHS. Deionized water was used as vehicle control and did not affect the ACh-mediated relaxation (P>0.05). Results show % contraction (reversal of ACh-mediated relaxation) and are mean±s.e.m., n=4–14, *P<0.05.