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Titolo:
Spreading depolarization waves triggered by vagal stimulation in the embryonic chick brain: Optical evidence for intercellular communication in the developing central nervous system
Autore:
Momose-Sato, Y; Sato, K; Mochida, H; Yazawa, I; Sasaki, S; Kamino, K;
Indirizzi:
Tokyo Med & Dent Univ, Grad Sch & Facil Med, Dept Physiol, Bunkyo Ku, Tokyo 1138519, Japan Tokyo Med & Dent Univ Tokyo Japan 1138519 unkyo Ku, Tokyo 1138519, Japan Tokyo Med & Dent Univ, Grad Sch & Facil Med, Dept Neurobehav Med, Bunkyo Ku, Tokyo 1138519, Japan Tokyo Med & Dent Univ Tokyo Japan 1138519 unkyo Ku, Tokyo 1138519, Japan JAIC Coll Med Care & Welf Technol, Fukushima 9638834, Japan JAIC Coll Med Care & Welf Technol Fukushima Japan 9638834 9638834, Japan
Titolo Testata:
NEUROSCIENCE
fascicolo: 2, volume: 102, anno: 2001,
pagine: 245 - 262
SICI:
0306-4522(2001)102:2<245:SDWTBV>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
VOLTAGE-SENSITIVE DYES; GAP-JUNCTIONS; FUNCTIONAL-ORGANIZATION; ELECTRICAL-ACTIVITY; NEURAL ACTIVITY; 18-BETA-GLYCYRRHETINIC ACID; POSTSYNAPTIC POTENTIALS; NEURONAL-ACTIVITY; CALCIUM WAVES; STEM;
Keywords:
embryonic brain; cell-to-cell communication; gap junction; calcium imaging; optical recording; voltage-sensitive dye;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
62
Recensione:
Indirizzi per estratti:
Indirizzo: Momose-Sato, Y Tokyo Med & Dent Univ, Grad Sch & Facil Med, Dept Physiol, Bunkyo Ku, Tokyo 1138519, Japan Tokyo Med & Dent Univ Tokyo Japan 1138519 1138519, Japan
Citazione:
Y. Momose-Sato et al., "Spreading depolarization waves triggered by vagal stimulation in the embryonic chick brain: Optical evidence for intercellular communication in the developing central nervous system", NEUROSCIENC, 102(2), 2001, pp. 245-262

Abstract

Throughout experiments on multiple-site voltage-sensitive dye recordings of neural activity in embryonic chick brain preparations, we have found a novel type of depolarization waves which spt ead widely from the brainstem tothe whole brain region at a rapid rate (mm/s). This depolarization wave was triggered by glutamate-mediated postsynaptic potentials and was especially correlated to N-methyl-D-aspartate receptor function. Evidence that the spreading depolarization wave is eliminated by octanol or 18 beta -glycyrrhetinic acid suggests that the depolarization wave depends on functions of gap junctions. The profile obtained with Ca2+-imaging experiments also suggests that the propagation of the depolarization wave is accompanied by a calcium wave. These results provide new evidence for intercellular functional communication between neural cells in the vertebrate central nervous system during embryonic development. (C) 2001 IBRO. Published by Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 03:44:31