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Opposite action of oxytocin and its peptide antagonists on social memory in rats
1Polish Academy of Sciences, Institute of Pharmacology, Kraków.
Neuropeptides
|January 1, 1991
Abstract:
The synthetic 1-beta,beta-disubstituted analogues of [1-deamino]-oxytocin, [1'-(1'-thio-4'-methylcyclohexane)-acetic acid 1]-oxytocin (MeCAOT) a peripheral oxytocin antagonist, and [1'-(1'-methyl-4'-thiopiperidine)-acetic acid 1]-oxytocin (MePAOT), devoid of peripheral anti-oxytocin activity, were found to improve social memory of rats. The social memory in rats was disrupted by a wide range of doses of oxytocin (6-750 mU/kg) and this amnestic effect of oxytocin was antagonised by MePAOT and MeCAOT.