Modulation of nociceptive-like behavior in zebrafish (Danio rerio) by environmental stressors


Autoria(s): OLIVEIRA, Caio Maximino de
Data(s)

28/02/2012

28/02/2012

01/06/2011

Resumo

Zebrafish have been demonstrated to react consistently to noxious chemical stimuli and present reliable phenotypes of stress, fear, and anxiety. In this article, we describe the modulation of nociceptive-like responses of zebrafish to fear-, stress-, and anxiety-eliciting situations. Animals were exposed to an alarm substance, confinement stress, or a novel environment before being injected with 1% acetic acid in the tail. The alarm substance and confinement stress reduced the display of erratic movements and tail-beating behavior elicited by acetic acid. The novelty of the environment, in contrast, increased the frequency of tail-beating behavior. The results suggest that descending modulatory control of nociception exists in zebrafish, with apparent fear- and stress-induced analgesia and anxiety-induced hyperalgesia.

Identificador

MAXIMINO, Caio. Modulation of nociceptive-like behavior in zebrafish (Danio rerio) by environmental stressors. Psychology & Neuroscience, Rio de Janeiro, v. 4, n. 1, p. 149-155, jun. 2011. Disponível em: <http://www.scielo.br/pdf/pn/v4n1/17.pdf>. Acesso em: 27 fev. 2012. <http://dx.doi.org/10.3922/j.psns.2011.1.017>.

1983-3288

http://repositorio.ufpa.br/jspui/2011/2477

Idioma(s)

eng

Direitos

Open Access

Palavras-Chave #Teleósteos #Comportamento animal #Farmacologia experimental #Estímulo/resposta #Peixe zebra #Ansiedade
Tipo

article