Cholinergic agonist reverses H1-induced memory deficit in mice

Autor(es)

Fernandes, C. E. M. ; Serafim, K. R. ; Gianlorenco, A. C. L. ; Mattioli, R.

• Tipo de documento: Artigo Científico
• Fonte: PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY; v. 72, p. 16-22, JAN 4 2017.
• Citações Web of Science: 1

Resumo

This study investigated the effects of bilateral intraamygdalar microinjections of PNU-282987, a nicotinic cholinergic agonist, on anxiety and the reversal of amnesia induced by chlorpheniramine (CPA), an H1 histaminergic antagonist, in mice subjected to the elevated plusmaze (EPM). Two experiments were performed with seventy-nine adult male Swiss mice. The isolated microinjections of PNU-282987 did not produce effects on emotional memory; however, the combined microinjections of PNU-282987 and CPA were able to reverse the deficit in memory induced by CPA (ANOVA, p < 0.05). Taken together, these results suggest that intraamygdalar injections of PNU-282987 did not induce effects on anxiety and emotional memory per se; however, concurrent microinjections of PNU-282987 and CPA-reverse amnesia induced-CPA which is suggestive of an interaction between the histaminergic and cholinergic systems in the modulation of emotion memory acquisition in mice. (C) 2016 Elsevier Inc. All rights reserved. (AU)

• Processo FAPESP: 12/10913-0 - Interação entre o sistema neural histaminérgico e colinérgico na amídala de camundongos: modulação da memória emocional.
• Beneficiário: Kelly Regina Serafim
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado