Abstract
The presence of Galanin and Neuropeptide Y and/or their receptors in several areas of the brain involved in memory, mood, cardiovascular control and food intake indicates that Galanin, and Neuropeptide Y could equilibrate the physiological actions of each other. There is evidence for the existence of interactions between Galanin Receptor and Neuropeptide Y Receptor in the nucleus of the solitarii tract (NTS), hypothalamus and dorsal raphe nucleus probably taking place with the formation of heteromers between Galanin Receptor and Neuropeptide Y Y1 Receptor. The galanin fragment (Gal 1-15) preferring receptors may instead be formed by the GalR1-GalR2 heteromer which in the NTS may interact with Neuropeptide Y Y2 receptors. These receptor heteromers may be one key molecular mechanism for Galanin and its N-terminal fragment (Galanin 1-15) to modulate the function of different types of glia–neuronal networks in the CNS, especially the emotional, metabolic and cardiovascular networks.
Keywords: Galanin, Galanin 1-15, Galanin receptor subtypes, GPCRs, Heteromers, Neuropeptide Y, NPY receptors.
Current Protein & Peptide Science
Title:Galanin Receptor/Neuropeptide Y Receptor Interactions in the Central Nervous System
Volume: 15 Issue: 7
Author(s): Zaida Diaz-Cabiale, Antonio Flores-Burgess, Concepcion Parrado, Manuel Narvaez, Carmelo Millon, Araceli Puigcerver, Rafael Covenas, Kjell Fuxe and Jose A. Narvaez
Affiliation:
Keywords: Galanin, Galanin 1-15, Galanin receptor subtypes, GPCRs, Heteromers, Neuropeptide Y, NPY receptors.
Abstract: The presence of Galanin and Neuropeptide Y and/or their receptors in several areas of the brain involved in memory, mood, cardiovascular control and food intake indicates that Galanin, and Neuropeptide Y could equilibrate the physiological actions of each other. There is evidence for the existence of interactions between Galanin Receptor and Neuropeptide Y Receptor in the nucleus of the solitarii tract (NTS), hypothalamus and dorsal raphe nucleus probably taking place with the formation of heteromers between Galanin Receptor and Neuropeptide Y Y1 Receptor. The galanin fragment (Gal 1-15) preferring receptors may instead be formed by the GalR1-GalR2 heteromer which in the NTS may interact with Neuropeptide Y Y2 receptors. These receptor heteromers may be one key molecular mechanism for Galanin and its N-terminal fragment (Galanin 1-15) to modulate the function of different types of glia–neuronal networks in the CNS, especially the emotional, metabolic and cardiovascular networks.
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Diaz-Cabiale Zaida, Flores-Burgess Antonio, Parrado Concepcion, Narvaez Manuel, Millon Carmelo, Puigcerver Araceli, Covenas Rafael, Fuxe Kjell and Narvaez A. Jose, Galanin Receptor/Neuropeptide Y Receptor Interactions in the Central Nervous System, Current Protein & Peptide Science 2014; 15 (7) . https://dx.doi.org/10.2174/1389203715666140901111709
DOI https://dx.doi.org/10.2174/1389203715666140901111709 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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