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Neuropeptide-induced relaxation in rabbit vaginal arteries
| Peptide | EC50 (nM) | Slope | Emax (mN) | n |
|---|---|---|---|---|
| VIP | 4.8±0.2 | 1.1±0.1 | 97.9±5.5% | 36 |
| PACAP 1-27 | 3.7±0.3 | 1±0.1 | 100.4±0.7% | 11 |
| αMSH | >1000 | — | 43.6±10.2% | 12 |
Abbreviations: αMSH, α-melanocortin-stimulating hormone; PACAP, pituitary adenylate cyclase-activating polypeptide; VIP, vasoactive intestinal peptide.
