Immunocytochemical Distribution of VIP and PACAP in the Rat Brain Stem: Implications for REM Sleep Physiology - Normandie Université Access content directly
Journal Articles Annals of the New York Academy of Sciences Year : 2006

Immunocytochemical Distribution of VIP and PACAP in the Rat Brain Stem: Implications for REM Sleep Physiology

Abstract

Recent evidence indicates that pituitary adenylate cyclase-activating polypeptide (PACAP) and vasoactive intestinal polypeptide (VIP) might play an important role in rapid eye movement sleep (REMS) generation at the pontine level in rats. We have thus examined the im-munohistochemical distribution of VIP and PACAP in the pontine and mesencephalic areas known to be involved in REMS control in rats. A dense network of VIP-immunoreactive cell bodies and fibers was found in the dorsal raphe nucleus. A large number of PACAP-positive perikarya and nerve fibers was observed in the area known as the REMS induction zone within the pontine reticular formation (PRF). The present results provide an anatomical basis to our previous functional data, and suggest that PACAPergic mechanisms within the PRF play a critical role in long-term regulation of REMS.
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Dates and versions

hal-01706388 , version 1 (18-07-2018)

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Abdel Ahnaou, Laurent Yon, Michel Arluison, Hubert Vaudry, Jens Hannibal, et al.. Immunocytochemical Distribution of VIP and PACAP in the Rat Brain Stem: Implications for REM Sleep Physiology. Annals of the New York Academy of Sciences, 2006, VIP, PACAP, and related peptides: from gene to therapy, 1070 (1), pp.135-142. ⟨10.1196/annals.1317.095⟩. ⟨hal-01706388⟩
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