Effects on water intake of various ligands administrated intracranially in the eel
| Ligand . | Eel (i.c.) . | Eel (i.v.) . | Mammals (i.c.) . |
|---|---|---|---|
| Angiotensin II (eANG II) | + | + | + |
| Acetylcholine (ACh, CCh) | + | + | + |
| Isoproterenol | + | + | ND |
| Substance P (SP) | + | + | + (rabbit, sheep) - (rat) |
| Atrial natriuretic peptide (eANP) | - | - | - |
| Arginine vasotocin (AVT) | - | - | +(AVP) |
| Vasoactive intestinal peptide (VIP) | - | - | + |
| Phenylephrine | - | - | - |
| Serotonin (5-HT) | - | + | + (monkey) - (rat) |
| Prolactin (PRL) | - | + | ND |
| Ghrelin | - | ND | ND |
| γ-Amino butyric acid (GABA) | - | ND | - |
| Noradrenaline (NA) | - | ND | + (cat, rat) - (rat) |
| Histamine (HA) | NE | + | + |
| Eel intestinal pentapeptide (EIPP) | NE | - | ND |
| Ligand . | Eel (i.c.) . | Eel (i.v.) . | Mammals (i.c.) . |
|---|---|---|---|
| Angiotensin II (eANG II) | + | + | + |
| Acetylcholine (ACh, CCh) | + | + | + |
| Isoproterenol | + | + | ND |
| Substance P (SP) | + | + | + (rabbit, sheep) - (rat) |
| Atrial natriuretic peptide (eANP) | - | - | - |
| Arginine vasotocin (AVT) | - | - | +(AVP) |
| Vasoactive intestinal peptide (VIP) | - | - | + |
| Phenylephrine | - | - | - |
| Serotonin (5-HT) | - | + | + (monkey) - (rat) |
| Prolactin (PRL) | - | + | ND |
| Ghrelin | - | ND | ND |
| γ-Amino butyric acid (GABA) | - | ND | - |
| Noradrenaline (NA) | - | ND | + (cat, rat) - (rat) |
| Histamine (HA) | NE | + | + |
| Eel intestinal pentapeptide (EIPP) | NE | - | ND |
i.c., intracranial; i.v., intravenous.
Results from i.v. administration in the eel(Ando et al., 2000a) and from i.c. administration in mammals (Fitzsimons,1998) are also shown for comparison.
+, stimulatory effect; -, inhibitory effect; ND, not determined; NE, no effect.