The effects of prolactin on the mesopontine tegmental neurons

In urethane‐anaesthetized rats, single neuronal activity was recorded extracellularily in and around the laterodorsal tegmental nucleus, and the response to prolactin applied by pressure injection was examined. Three of six cholinergic neurons tested were excited by prolactin for more than 1 min. In...

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Veröffentlicht in:Psychiatry and clinical neurosciences 2000-06, Vol.54 (3), p.257-258
Hauptverfasser: Takahashi, Kazumi, Koyama, Yosimasa, Kayama, Yukihiko, Yamamoto, Mitsuaki
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container_title Psychiatry and clinical neurosciences
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creator Takahashi, Kazumi
Koyama, Yosimasa
Kayama, Yukihiko
Yamamoto, Mitsuaki
description In urethane‐anaesthetized rats, single neuronal activity was recorded extracellularily in and around the laterodorsal tegmental nucleus, and the response to prolactin applied by pressure injection was examined. Three of six cholinergic neurons tested were excited by prolactin for more than 1 min. In two of three non‐cholinergic neurons tested, prolactin application caused excitation which lasted a shorter time than that in the cholinergic neurons. The results suggest that prolactin may have physiological influences on these mesopontine neurons to increase paradoxical sleep.
doi_str_mv 10.1046/j.1440-1819.2000.00668.x
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source MEDLINE; Freely Accessible Japanese Titles; Wiley Online Library Journals Frontfile Complete; Wiley Online Library Free Content; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection
subjects Animals
Biological and medical sciences
Brain Mapping
Cholinergic Fibers - physiology
cholinergic neurons
Fundamental and applied biological sciences. Psychology
laterodorsal tegmental nucleus
Male
Neurons - physiology
paradoxical sleep
Pons - physiology
prolactin
Prolactin - physiology
Rats
Rats, Sprague-Dawley
Sleep, REM - physiology
Sleep. Vigilance
Tegmentum Mesencephali - physiology
Vertebrates: nervous system and sense organs
title The effects of prolactin on the mesopontine tegmental neurons
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