Table 1. Half-maximal effective concentration (EC50) for selected ligands at NK1R or CCK2R.
NK1R | CCK2R | ||
Ligand | EC50 (nM) | Ligand | EC50 (nM) |
s-SubP-NH2 | 1.4 | s-CCK4-NH2 | 4.9 |
l-SubP-NH2 | 0.4 | l-CCK4-NH2 | 2.6 |
s-SubP-COOH | 449.3 | s-CCK4-Gly-COOH | >1000 |
l-SubP-COOH | 6.1 | l-CCK4-Gly-COOH | >1000 |
All values represent the mean from at least three independent experiments, each performed in triplicate.