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Titolo:
VOLTAGE DEPENDENCY OF LIGHT-EVOKED ON-OFF TRANSIENT AMACRINE CELL RESPONSES IN CARP RETINA
Autore:
DJAMGOZ MBA; LOW JC; SAITO T; TOYODA JI; YAMADA M;
Indirizzi:
UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT BIOL,NEUROBIOL GRP LONDON SW7 2BB ENGLAND UNIV TSUKUBA,INST BIOL SCI TSUKUBA IBARAKI 305 JAPAN ST MARIANNA UNIV,SCH MED,DEPT PHYSIOL,MIYAMAE KU KAWASAKI KANAGAWA JAPAN ELECTROTECH LAB,BIOPHYS SECT TSUKUBA IBARAKI 305 JAPAN
Titolo Testata:
Neuroscience letters
fascicolo: 2-3, volume: 214, anno: 1996,
pagine: 127 - 130
SICI:
0304-3940(1996)214:2-3<127:VDOLOT>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
GOLDFISH RETINA; TIGER SALAMANDER; HORIZONTAL CELLS; IONIC CURRENTS; GANGLION-CELLS; TRANSMISSION; BIPOLAR;
Keywords:
RETINA; CARP; AMACRINE CELL; ON-OFF; BIPOLAR CELL; EXCITATORY POSTSYNAPTIC POTENTIAL; REVERSAL POTENTIAL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
M.B.A. Djamgoz et al., "VOLTAGE DEPENDENCY OF LIGHT-EVOKED ON-OFF TRANSIENT AMACRINE CELL RESPONSES IN CARP RETINA", Neuroscience letters, 214(2-3), 1996, pp. 127-130

Abstract

The voltage dependency of the ON and the OFF components of transient amacrine cell responses was studied using two-electrode voltage-clamp and current-clamp techniques in the isolated retina of the carp. The two independent approaches gave similar data. When cells were voltage clamped near their resting potentials, both response components were associated with transient inward currents. Hyperpolarization increased response size (current or voltage) whilst depolarization decreased it. Response reversal, or a tendency for it, occurred at membrane potentials significantly more positive than the resting level with some quantitative variability. These data support the view that the ON-OFF depolarizations represent basically excitatory postsynaptic potentials and that the transience of the responses cannot mainly be due to any voltage-dependent conductance.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/20 alle ore 04:49:12