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  • Title: An octadecaneuropeptide (ODN) derived from diazepam binding inhibitor increases aggressive interactions in mice.
    Author: Kavaliers M, Hirst M.
    Journal: Brain Res; 1986 Sep 24; 383(1-2):343-9. PubMed ID: 3021278.
    Abstract:
    The effects of intracerebroventricular administrations of an octadecaneuropeptide (ODN) derived from the polypeptide, diazepam binding inhibitor (DBI), on offensive and defensive aggression were examined in male mice. During the initial period after administration (1-5 min) ODN inhibited social and agonistic behavior. At 30 min after treatment, ODN increased, in a dose-dependent manner, the incidence of and intensity of offensive aggression in dominant resident mice. ODN also increased the number of bites required to obtain defeat in subordinate mice during aggressive interactions, as well as reducing subsequent defeat-induced analgesia. These changes in offensive and defensive aggressive behavior that were induced by ODN were reduced by the benzodiazepine receptor antagonist Ro 15-1788. These results suggest that ODN has significant modulatory effects on aggression.
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