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| dc.contributor | Universitat de Barcelona |
|---|---|
| dc.contributor.author | Fuxe, Kjell |
| dc.contributor.author | Borroto-Escuela, Dasiel O. |
| dc.contributor.author | Romero Fernández, Wilber |
| dc.contributor.author | Diaz Cabiale, Zaida |
| dc.contributor.author | Rivera, Alícia |
| dc.contributor.author | Ferraro, Luca |
| dc.contributor.author | Tanganelli, Sergio |
| dc.contributor.author | Tarakanov, Alexander O. |
| dc.contributor.author | Garriga, Pere |
| dc.contributor.author | Narváez, José A. |
| dc.contributor.author | Ciruela Alférez, Francisco |
| dc.contributor.author | Guescini, Michele |
| dc.contributor.author | Agnati, Luigi F. |
| dc.date | 2014-01-21T10:51:08Z |
| dc.date | 2014-01-21T10:51:08Z |
| dc.date | 2012-06-04 |
| dc.date | 2014-01-21T10:51:08Z |
| dc.identifier.citation | 1664-042X |
| dc.identifier.citation | 614662 |
| dc.identifier.uri | http://hdl.handle.net/2445/49045 |
| dc.description.abstract | Extrasynaptic neurotransmission is an important short distance form of volume transmission (VT) and describes the extracellular diffusion of transmitters and modulators after synaptic spillover or extrasynaptic release in the local circuit regions binding to and activating mainly extrasynaptic neuronal and glial receptors in the neuroglial networks of the brain. Receptor-receptor interactions in G protein-coupled receptor (GPCR) heteromers play a major role, on dendritic spines and nerve terminals including glutamate synapses, in the integrative processes of the extrasynaptic signaling. Heteromeric complexes between GPCR and ion-channel receptors play a special role in the integration of the synaptic and extrasynaptic signals. Changes in extracellular concentrations of the classical synaptic neurotransmitters glutamate and GABA found with microdialysis is likely an expression of the activity of the neuron-astrocyte unit of the brain and can be used as an index of VT-mediated actions of these two neurotransmitters in the brain. Thus, the activity of neurons may be functionally linked to the activity of astrocytes, which may release glutamate and GABA to the extracellular space where extrasynaptic glutamate and GABA receptors do exist. Wiring transmission (WT) and VT are fundamental properties of all neurons of the CNS but the balance between WT and VT varies from one nerve cell population to the other. The focus is on the striatal cellular networks, and the WT and VT and their integration via receptor heteromers are described in the GABA projection neurons, the glutamate, dopamine, 5-hydroxytryptamine (5-HT) and histamine striatal afferents, the cholinergic interneurons, and different types of GABA interneurons. In addition, the role in these networks of VT signaling of the energy-dependent modulator adenosine and of endocannabinoids mainly formed in the striatal projection neurons will be underlined to understand the communication in the striatal cellular networks |
| dc.format | 17 p. |
| dc.format | application/pdf |
| dc.language.iso | eng |
| dc.publisher | Frontiers Media |
| dc.relation | Reproducció del document publicat a: http://dx.doi.org/10.3389/fphys.2012.00136 |
| dc.relation | Frontiers in Physiology , 2012, vol. 3, p. 1-17 |
| dc.relation | http://dx.doi.org/10.3389/fphys.2012.00136 |
| dc.rights | cc-by (c) Fuxe, Kjell et al., 2012 |
| dc.rights | info:eu-repo/semantics/openAccess |
| dc.rights | http://creativecommons.org/licenses/by/3.0/es |
| dc.subject | Cervell |
| dc.subject | Proteïnes G |
| dc.subject | Neurotransmissió |
| dc.subject | Brain |
| dc.subject | G Proteins |
| dc.subject | Neural transmission |
| dc.title | Extrasynaptic neurotransmission in the modulation of brain function. Focus on the striatal neuronal glial networks |
| dc.type | info:eu-repo/semantics/article |
| dc.type | info:eu-repo/semantics/publishedVersion |
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