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https://read.qxmd.com/read/29118105/neuropeptide-s-activates-paraventricular-oxytocin-neurons-to-induce-anxiolysis
#1
JOURNAL ARTICLE
Thomas Grund, Stephanie Goyon, Yuting Li, Marina Eliava, Haikun Liu, Alexandre Charlet, Valery Grinevich, Inga D Neumann
Neuropeptides, such as neuropeptide S (NPS) and oxytocin (OXT), represent potential options for the treatment of anxiety disorders due to their potent anxiolytic profile. In this study, we aimed to reveal the mechanisms underlying the behavioral action of NPS, and present a chain of evidence that the effects of NPS within the hypothalamic paraventricular nucleus (PVN) are mediated via actions on local OXT neurons in male Wistar rats. First, retrograde studies identified NPS fibers originating in the brainstem locus coeruleus, and projecting to the PVN...
December 13, 2017: Journal of Neuroscience
https://read.qxmd.com/read/7407606/electrophysiological-evidence-for-a-release-of-endogenous-opiates-in-stress-induced-analgesia-in-man
#2
JOURNAL ARTICLE
J C Willer, D Albe-Fessard
The effects of a repetitive stress induced by anticipation of pain were studied on the following somato-vegetative parameters: monosynaptic reflex (H reflex), nociceptive flexion reflex (RIII reflex), heart rate and respiratory frequency, in normal trained volunteers. A progressive increase in heart rate and in respiratory frequency, as well as a facilitation in H reflex parallel to an inhibition of RIII reflex (threshold increased) were observed in all subjects as a function of repetition of stress during 45 min...
October 6, 1980: Brain Research
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