Figure 2. The ability of bombesin, neuromedin B (NMB), gastrin-releasing peptide (GRP), and [D-Tyr⁶,Apa-4Cl¹¹,Phe¹³,Nle¹⁴]bombesin-(6-14) (DTACPN-BN) to cause porcine LES sling (A) and clasp (B) muscle strip contractions.

The values are expressed as a percent of a carbachol (1 μM)-induced contraction. The results given are from at least four experiments. The vertical bars represent ± standard error of the mean (SEM).