Volume transmission of beta-endorphin via the cerebrospinal fluid; a review

<p>Abstract</p> <p>There is increasing evidence that non-synaptic communication by volume transmission in the flowing CSF plays an important role in neural mechanisms, especially for extending the duration of behavioral effects. In the present review, we explore the mechanisms invo...

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Main Authors: Veening Jan G, Gerrits Peter O, Barendregt Henk P
Format: Article
Language:English
Published: BMC 2012-08-01
Series:Fluids and Barriers of the CNS
Subjects:
Online Access:http://www.fluidsbarrierscns.com/content/9/1/16
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author Veening Jan G
Gerrits Peter O
Barendregt Henk P
author_facet Veening Jan G
Gerrits Peter O
Barendregt Henk P
author_sort Veening Jan G
collection DOAJ
description <p>Abstract</p> <p>There is increasing evidence that non-synaptic communication by volume transmission in the flowing CSF plays an important role in neural mechanisms, especially for extending the duration of behavioral effects. In the present review, we explore the mechanisms involved in the behavioral and physiological effects of β-endorphin (β-END), especially those involving the cerebrospinal fluid (CSF), as a message transport system to reach distant brain areas. The major source of β-END are the pro-opio-melano-cortin (POMC) neurons, located in the arcuate hypothalamic nucleus (ARH), bordering the 3<sup>rd</sup> ventricle. In addition, numerous varicose β-END-immunoreactive fibers are situated close to the ventricular surfaces. In the present paper we surveyed the evidence that volume transmission via the CSF can be considered as an option for messages to reach remote brain areas. Some of the points discussed in the present review are: release mechanisms of β-END, independence of peripheral <it>versus</it> central levels, central β-END migration over considerable distances, behavioral effects of β-END depend on location of ventricular administration, and abundance of mu and delta opioid receptors in the periventricular regions of the brain.</p>
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spelling doaj.art-562c4439e016482596b9b8fca21f0b0c2022-12-21T22:00:34ZengBMCFluids and Barriers of the CNS2045-81182012-08-01911610.1186/2045-8118-9-16Volume transmission of beta-endorphin via the cerebrospinal fluid; a reviewVeening Jan GGerrits Peter OBarendregt Henk P<p>Abstract</p> <p>There is increasing evidence that non-synaptic communication by volume transmission in the flowing CSF plays an important role in neural mechanisms, especially for extending the duration of behavioral effects. In the present review, we explore the mechanisms involved in the behavioral and physiological effects of β-endorphin (β-END), especially those involving the cerebrospinal fluid (CSF), as a message transport system to reach distant brain areas. The major source of β-END are the pro-opio-melano-cortin (POMC) neurons, located in the arcuate hypothalamic nucleus (ARH), bordering the 3<sup>rd</sup> ventricle. In addition, numerous varicose β-END-immunoreactive fibers are situated close to the ventricular surfaces. In the present paper we surveyed the evidence that volume transmission via the CSF can be considered as an option for messages to reach remote brain areas. Some of the points discussed in the present review are: release mechanisms of β-END, independence of peripheral <it>versus</it> central levels, central β-END migration over considerable distances, behavioral effects of β-END depend on location of ventricular administration, and abundance of mu and delta opioid receptors in the periventricular regions of the brain.</p>http://www.fluidsbarrierscns.com/content/9/1/16β-endorphinPro-opio-melanocortinCerebrospinal fluidVolume transmissionArcuate nucleus of the hypothalamusBehavior
spellingShingle Veening Jan G
Gerrits Peter O
Barendregt Henk P
Volume transmission of beta-endorphin via the cerebrospinal fluid; a review
Fluids and Barriers of the CNS
β-endorphin
Pro-opio-melanocortin
Cerebrospinal fluid
Volume transmission
Arcuate nucleus of the hypothalamus
Behavior
title Volume transmission of beta-endorphin via the cerebrospinal fluid; a review
title_full Volume transmission of beta-endorphin via the cerebrospinal fluid; a review
title_fullStr Volume transmission of beta-endorphin via the cerebrospinal fluid; a review
title_full_unstemmed Volume transmission of beta-endorphin via the cerebrospinal fluid; a review
title_short Volume transmission of beta-endorphin via the cerebrospinal fluid; a review
title_sort volume transmission of beta endorphin via the cerebrospinal fluid a review
topic β-endorphin
Pro-opio-melanocortin
Cerebrospinal fluid
Volume transmission
Arcuate nucleus of the hypothalamus
Behavior
url http://www.fluidsbarrierscns.com/content/9/1/16
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