ArticlePflugers Archiv : European journal of physiology2017
Mu and kappa opioid receptors of the periaqueductal gray stimulate and inhibit thermogenesis, respectively, during psychological stress in rats.
Article in Pflugers Archiv : European journal of physiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 13 citations in OpenAlex.
- Efficacy of Intravenous Butorphanol for Preventing Epidural-Related Maternal Fever (ERMF) During Epidural Labor Analgesia: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial.Drug design, development and therapy · 2025Trial
- Long-Term Fish Oil Supplementation Attenuates Spike Wave Discharges in the Amygdala of Adult Rats with Early-Life Febrile Seizures.Brain sciences · 2025Article
- Exercise derived myokine irisin as mediator of cardiorespiratory, metabolic and thermal adjustments during central and peripheral chemoreflex activation.Scientific reports · 2024Article
- Hypothalamic TRPV4 channels participate in the medial preoptic activation of warmth-defence responses in Wistar male rats.Pflugers Archiv : European journal of physiology · 2019Article
- The Effects of Amphetamine and Methamphetamine on the Release of Norepinephrine, Dopamine and Acetylcholine From the Brainstem Reticular Formation.Frontiers in neuroanatomy · 2019Article
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4 authors at 1 institution in 1 country.
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Abstract
The periaqueductal gray matter (PAG) is rich in mu and kappa opioid receptors, and this system is involved in thermoregulation, analgesia, and defensive behaviors. No study approached the involvement of the PAG opioids in body temperature (Tb) regulation during psychological stress such as restraint. Because activation of mu and kappa receptors increases and reduces Tb, respectively, we tested the hypothesis that they exert excitatory and inhibitory modulation, respectively, of the restraint-induced fever in rats. To this end, Tb, heat loss index (HLI, inference for peripheral vasoconstriction/vasodilation), and oxygen consumption (inference for thermogenesis) were monitored in unanesthetized rats, restrained or unrestrained, before and after intra-PAG microinjection of the selective mu opioid receptor antagonist (D-Phe-Cys-Tyr-D-Trp-Arg-Thr-Pen-Thr-NH
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