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Titolo:
Some receptor properties in motor neurons of an Aplysia withdrawal reflex
Autore:
Storozhuk, MV; Castellucci, VF;
Indirizzi:
Univ Montreal, Dept Physiol, Ctr Rech Sci Neurol,Inst Rech Clin Montreal, Lab Neurobiol & Comportement, Montreal, PQ H3C 3J7, Canada Univ Montreal Montreal PQ Canada H3C 3J7 nt, Montreal, PQ H3C 3J7, Canada AA Bogomolets Physiol Inst, UA-252601 Kiev, Ukraine AA Bogomolets Physiol Inst Kiev Ukraine UA-252601 A-252601 Kiev, Ukraine
Titolo Testata:
NEUROCHEMICAL RESEARCH
fascicolo: 11, volume: 24, anno: 1999,
pagine: 1443 - 1447
SICI:
0364-3190(199911)24:11<1443:SRPIMN>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONCANAVALIN-A; GLUTAMATE RECEPTORS; MUSCLE-FIBERS; DIFFERENTIAL MODULATION; KAINATE RECEPTORS; DESENSITIZATION; CYCLOTHIAZIDE; FACILITATION; TRANSMITTER; GANGLION;
Keywords:
Aplysia; withdrawal reflex; glutamate; concanavalin A;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Castellucci, VF Univ Montreal, Dept Physiol, Ctr Rech Sci Neurol,Inst RechClin Montreal, Lab Neurobiol & Comportement, Pavillon Paul G Desmarais,CP 6128,Succursale Ctr, Montreal, PQ H3C 3J7, Canada Univ Montreal Pavillon Paul G Desmarais,CP 6128,Succursale Ctr Montreal PQ Canada H3C 3J7
Citazione:
M.V. Storozhuk e V.F. Castellucci, "Some receptor properties in motor neurons of an Aplysia withdrawal reflex", NEUROCHEM R, 24(11), 1999, pp. 1443-1447

Abstract

Glutamate or a glutamate-related substance is the neurotransmitter used atthe majority of the excitatory junctions of the neuronal network mediatingthe gill and siphon withdrawal reflex in Aplysia. In this report, we have studied some receptor properties of the major postsynaptic elements of the network, the motor neurons. We have examined the effect of a compound interfering with glutamate receptor, concanavalin A (con A). We found that con Atreatment transforms the mainly hyperpolarizing responses to L-glutamate in motor neurons to prolonged depolarizing ones; these latter responses are sensitive to CNQX. We have also examined whether con A could enhance the CNQX sensitive excitatory postsynaptic potentials in these motor neurons. We found, by contrast, that con A did not alter the synaptic responses. The possible implications of the differential effect of con A on the glutamate responses and the synaptic responses are discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 19:11:20