2008
DOI: 10.1007/s00213-008-1434-y
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Evidence for mediation of nociception by injection of the NK-3 receptor agonist, senktide, into the dorsal periaqueductal gray of rats

Abstract: These findings show that NK-3 receptors in the dPAG mediate nociceptive responses in this area, contrasting with the known fear-related processes mediated by NK-1 receptors in the dPAG. Both hyperalgesia and fear-related processes are accompanied by emissions of 22 kHz USVs.

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Cited by 12 publications
(33 citation statements)
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“…Spantide was injected at the dose of 100 pmol/0.2 µL, which was chosen on the basis of previous studies (7,22). …”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Spantide was injected at the dose of 100 pmol/0.2 µL, which was chosen on the basis of previous studies (7,22). …”
Section: Methodsmentioning
confidence: 99%
“…Ten minutes later, aversive thresholds and the time spent freezing after dPAG or IC stimulation were determined again. The drug dose and waiting time after the injections were selected from previous studies in this laboratory (7,22). …”
Section: Methodsmentioning
confidence: 99%
“…Sabe-se que o MeA possui imunorreatividade para receptores NK-3 (DING et al, 1996;QUIANG-YU et al, 1996), assim como a presença do RNAm que codifica o receptor NK-3 (SHUGHRUE et al, 1996). Provavelmente há o envolvimento da ativação de receptores NK-3, visto que esse receptor também produzir efeitos ansiogênicos quando ativado em outras estruturas, como a SCPd (BASSI et al, 2009), além disso a administração sistêmica de um agonista NK-3 aumenta a expressão de proteína c-Fos no MeA (YIP; CHAHL, 1997).…”
Section: Vocalizações Ultrassônicasunclassified
“…Estudos mostram que a SCPd está envolvida na produção de vocalizações (JURGENS; PRATT, 1979;JURGENS et al, 1967;CHARPENTIER, 1967), e a ativação de receptores NK-1 e NK-3 nessa estrutura produz a emissão de VUS (BASSI et al, 2007a(BASSI et al, , 2009). Reações comportamentais de defesa são acompanhadas de vocalizações após a estimulação elétrica da amígdala (JURGENS et al, 1967;JURGENS, 1982;CHARPENTIER, 1967;BORSZCZ, 1999BORSZCZ, , 2006.…”
Section: Vocalizações Ultrassônicasunclassified
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