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Titolo:
Physiology of morphologically identified cells of the bullfrog fungiform papilla
Autore:
Takeuchi, H; Tsunenari, T; Kurahashi, T; Kaneko, A;
Indirizzi:
Osaka Univ, Grad Sch Engn Sci, Dept Biophys Engn, Osaka 5608531, Japan Osaka Univ Osaka Japan 5608531 , Dept Biophys Engn, Osaka 5608531, Japan Keio Univ, Sch Med, Dept Physiol, Tokyo 1608582, Japan Keio Univ Tokyo Japan 1608582 ch Med, Dept Physiol, Tokyo 1608582, Japan
Titolo Testata:
NEUROREPORT
fascicolo: 13, volume: 12, anno: 2001,
pagine: 2957 - 2962
SICI:
0959-4965(20010917)12:13<2957:POMICO>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
TASTE RECEPTOR-CELLS; MEMBRANE-PROPERTIES; FROG; CURRENTS; DISK;
Keywords:
frog; fungiform papilla; in vivo; slice preparation; taste receptor cell; type Ia; type Ib; type II; type III; whole-cell patch clamp;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Takeuchi, H Osaka Univ, Grad Sch Engn Sci, Dept Biophys Engn, Osaka 5608531, Japan Osaka Univ Osaka Japan 5608531 ys Engn, Osaka 5608531, Japan
Citazione:
H. Takeuchi et al., "Physiology of morphologically identified cells of the bullfrog fungiform papilla", NEUROREPORT, 12(13), 2001, pp. 2957-2962

Abstract

Voltage-gated ionic current and the response to quinine were studied on the four types of morphologically identified taste cells of the bullfrog fungiform papilla by whole-cell patch clamp recording with a Lucifer yellow-filled pipette. Dye-coupled type la cells (mucous cells) did not show voltage-activated currents. Type Ib cells (wing cells) characterized by the fin-like processes, type II cells (rod cells) having a thick straight dendrite running to the surface and type III cells with a thin dendrite had voltage-gated sodium (I-Na) and potassium currents (I-K) and generated action potentials. The amplitude of I-Na was significantly larger in type Ib and II cells than in type III cells. Type Ib and II cells responded to quinine but Type III cells did not. NeuroReport 12:2957-2962 (C) 2001 Lippincott Williams & Wilkins.

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Documento generato il 26/01/20 alle ore 10:33:35