Opposite control of body temperature by NPFF1 and NPFF2 receptors in mice
Copyright policy )Opposite control of body temperature by NPFF1 and NPFF2 receptors in mice
Neuropeptide FF (NPFF) is a neurotransmitter known to modulate opioid functions. This study investigates the effects of RF9, a new antagonist of NPFF receptors, on the roles of NPFF1 and NPFF2 receptors in thermoregulation in mice. RF9 (10 nmol) injected into the third ventricle did not modify the body temperature as compared to saline, but it completely antagonized the hypothermic effects of 10 nmol NPVF, a NPFF1 selective agonist, as well as the hyperthermic actions of dNPA (5 nmol), a NPFF2 selective agonist. The use of a specific antagonist demonstrates here that central NPFF1 and NPFF2 receptors control in an opposite manner the body temperature in mice.
Male, Receptors, Neuropeptide, Analysis of Variance, Mice, Animals, Adamantane, Dipeptides, Oligopeptides, Body Temperature, Body Temperature Regulation
Male, Receptors, Neuropeptide, Analysis of Variance, Mice, Animals, Adamantane, Dipeptides, Oligopeptides, Body Temperature, Body Temperature Regulation
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