Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98244
Type: Artigo de periódico
Title: Subsensitivity To β-adrenoceptor Agonists In Right Atria Isolated From Footshock-stressed Rats
Author: Bassani R.A.
De Moraes S.
Abstract: 1. The effects of three daily sessions of inescapable footshock on the sensitivity of rat isolated right atria to the chronotropic effect of norepinephrine, tyramine and soterenol were studied. 2. Inescapable footshock induces subsensitivity to norepinephrine and tyramine. The maximum response to the partial agonist soterenol was reduced. 3. In vitro denervation and addition of cocaine prevented the demonstration of inescapable footshock-induced subsentivity to norepinephrine. 4. It is concluded that repeated inescapable footshock stress reduces the number of atrial β1-adrenoceptors and increases the efficiency of the neuronal reputake process. © 1987.
Editor: 
Rights: fechado
Identifier DOI: 10.1016/0306-3623(87)90065-6
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0023268733&partnerID=40&md5=561cd0bb6b065d757f04a0db1a6884a5
Date Issue: 1987
Appears in Collections:Unicamp - Artigos e Outros Documentos

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