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Universitas Psychologica
versão impressa ISSN 1657-9267
Resumo
MARTIN-LOPEZ, Mercedes; INFANTE, Sara; CAVAS, María e NAVARRO, José Francisco. Study of the Social Instigation in a Model of Isolation-Induced Aggression: Effects of JNJ16259685 Administration, an mGlu1 Receptor Antagonist. Univ. Psychol. [online]. 2014, vol.13, n.3, pp.1027-1036. ISSN 1657-9267. https://doi.org/10.11144/Javeriana.UPSY13-3.eism.
Social instigation intensifies aggressive behavior in rodents allowing observe more extreme levels of aggression. Recent studies indicate that glutamate metabotropic receptor 1 (mGlu1) are involved in the regulation of aggressive behavior in isolation-induced aggression model. The object of this work was to examine social instigation in an animal model of isolation-induced aggression and assess the anti-aggressive effects of an mGlu1 receptor antagonist (JNJ16259685) on normal and heightened aggressive behavior. Several groups of individually housed mice were exposed to 5 minutes of social instigation, and half of them received an acute administration ofJNJ16259685 (0.5 mg/kg, ip) or vehicle. Ten minute of dyadic interactions were staged between a singly housed and an anosmic mouse in a neutral area 30 min after drug or vehicle administration. The encounters were videotaped for subsequent analysis of ten ethological behavioural categories. Social instigation reduced latency of attack and increased the frequency and duration of attacks against not instigated animals. JNJ16259685 administration significantly reduced aggressive behavior in both cases, suggesting the involvement of mGlu1 receptor in the modulation of normal and heightened aggression.
Palavras-chave : aggression; pathological aggression; social instigation; animal models; glutamate; JNJ16259685; mGlu1.