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Titolo:
IMMUNOHISTOCHEMICAL LOCALIZATION OF GLUTAMATE AND GLUTAMINASE IN GUINEA-PIG TRIGEMINAL PREMOTONEURONS
Autore:
TURMAN JE; CHANDLER SH;
Indirizzi:
UNIV CALIF LOS ANGELES,DEPT PHYSIOL SCI LOS ANGELES CA 90024 UNIV CALIF LOS ANGELES,DEPT PHYSIOL SCI LOS ANGELES CA 90024 UNIV CALIF LOS ANGELES,BRAIN RES INST LOS ANGELES CA 90024
Titolo Testata:
Brain research
fascicolo: 1, volume: 634, anno: 1994,
pagine: 49 - 61
SICI:
0006-8993(1994)634:1<49:ILOGAG>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
RHYTHMICAL JAW MOVEMENTS; PARVOCELLULAR RETICULAR-FORMATION; HYPOGLOSSAL MOTOR NUCLEI; SPINAL-CORD; BRAIN-STEM; ASPARTATE-AMINOTRANSFERASE; MOTONEURONAL DISCHARGE; IONTOPHORETIC ANALYSIS; MESENCEPHALIC NUCLEUS; PREMOTOR NEURONS;
Keywords:
EXCITATORY AMINO ACID; BRAIN STEM; TRIGEMINAL PREMOTONEURON; MASTICATION; RETICULAR FORMATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
64
Recensione:
Indirizzi per estratti:
Citazione:
J.E. Turman e S.H. Chandler, "IMMUNOHISTOCHEMICAL LOCALIZATION OF GLUTAMATE AND GLUTAMINASE IN GUINEA-PIG TRIGEMINAL PREMOTONEURONS", Brain research, 634(1), 1994, pp. 49-61

Abstract

Previous electrophysiological experiments in guinea pigs from our laboratory [11,36,37] have suggested that synaptic transmission between last-order interneurons (premotoneurons) and trigeminal motoneurons during reflex activation or cortically induced rhythmical jaw movements is mediated by excitatory amino acids (EAAs). In the present study, we performed a series of double-labeling experiments in guinea pigs to determine the location of neurons which contain glutamate or glutaminaseand project to the trigeminal motor nucleus (Mo5). This was accomplished by combining immunohistochemical staining and standard retrograde tract-tracing techniques. Injections of a retrograde tracer, colloidal-gold bound to inactivated WGA-HRP (gWGA-HRP), into the trigeminal motor nucleus labeled a column of neurons originating adjacent to Mo5, including the supratrigeminal nucleus, intertrigeminal nucleus and the mesencephalic nucleus of V. The column extended caudally into the parvocellular reticular formation and adjacent trigeminal sensory nucleus oralis and oralis gamma subdivision. In all of these regions, immunoreactivity to glutamate or glutaminase was observed co-localized with gWGA-HRP.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 18:32:33