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Titolo:
Volume regulation by red blood cells from brown trout
Autore:
Cooper, A; Taylor, EW; Wang, T;
Indirizzi:
Aarhus Univ, Dept Zoophysiol, DK-8000 Aarhus C, Denmark Aarhus Univ Aarhus Denmark C Dept Zoophysiol, DK-8000 Aarhus C, Denmark Univ Birmingham, Sch Biosci, Birmingham B15 2TT, W Midlands, England Univ Birmingham Birmingham W Midlands England B15 2TT W Midlands, England
Titolo Testata:
JOURNAL OF FISH BIOLOGY
fascicolo: 4, volume: 59, anno: 2001,
pagine: 1098 - 1103
SICI:
0022-1112(200110)59:4<1098:VRBRBC>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSPORT-SYSTEMS; RAINBOW-TROUT; ONCORHYNCHUS-MYKISS; NA+/H+ EXCHANGE; OXYGEN-AFFINITY; ERYTHROCYTES; FLUXES; HEMOGLOBIN; CARP; RESPONSES;
Keywords:
brown trout; Salmo trutta; red cell; volume regulation; adrenergic stimulation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Wang, T Aarhus Univ, Dept Zoophysiol, Bldg 131, DK-8000 Aarhus C, Denmark Aarhus Univ Bldg 131 Aarhus Denmark C , DK-8000 Aarhus C, Denmark
Citazione:
A. Cooper et al., "Volume regulation by red blood cells from brown trout", J FISH BIOL, 59(4), 2001, pp. 1098-1103

Abstract

Regulatory volume decrease, following physical swelling of red cells from brown trout Salmo trutta, was almost complete in oxygenated cells but much less in deoxygenated cells. There was a small, insignificant regulatory volume increase, following physical shrinkage. Amiloride had no effect on thisresponse, indicating that hypertonic shrinkage did not activate the Na+/Hexchanger. However, cell volume was increased markedly in shrunken cells by addition of noradrenaline, with deoxygenated cells showing complete recovery. These data show that the previously reported differences in volume regulation between the red cells of brown trout and rainbow trout Oncorhynchusmykiss are not present and that both species appear to have lost volume sensitivity of the Na+/H+ exchanger. (C) 2001 The Fisheries Society of the British Isles.

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Documento generato il 27/01/20 alle ore 01:39:25