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Keywords: amiloride
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Journal Articles
J Exp Biol (2010) 213 (9): 1503–1512.
Published: 01 May 2010
... volume increase amiloride hyperosmotic stress The Root effect, a phenomenon limited almost exclusively to teleost fishes, is defined as the decrease in O 2 carrying capacity of the blood due to a decrease in pH ( Brittain, 1987 ; Ingermann, 1982 ; Pelster and Weber, 1991 ; Root, 1931...
Journal Articles
J Exp Biol (2009) 212 (3): 373–377.
Published: 01 February 2009
... in supplying acid–base equivalents to the respective transporters. Furthermore, any apical processes proposed to be involved in alkali secretion or acid absorption must be Cl – independent and insensitive to DIDS,amiloride, Zn 2+ and ouabain. These results argue against the involvement of putative apical Cl...
Journal Articles
J Exp Biol (2005) 208 (2): 391–407.
Published: 15 January 2005
... (100 μmol l –1 phenamil), 21-fold (10 μmol l –1 CDPC) or 12-fold (2 mmol l –1 amiloride) when Cu o was 800 μmol l –1 compared to those in drug-free controls. Lowering the external chloride concentration [Cl – ] o from 131.6 to 6.6 mmol l –1 (replaced by sodium gluconate) caused the rate of Cu...
Journal Articles
J Exp Biol (2002) 205 (18): 2765–2775.
Published: 15 September 2002
... to almost complete blockage of active and gradient-driven ammonia excretion. Actin filaments seem not to play a role in the excretory process. The NH 4 + -dependent short-circuit current and the conductance of the isolated cuticle were reduced in a dose-dependent manner by amiloride,a non-specific inhibitor...
Journal Articles
J Exp Biol (2002) 205 (17): 2705–2713.
Published: 01 September 2002
... to 4.6±0.54 μA cm -2 in preparations adapted to high salinity. The involvement of epithelial Na + channels was determined as current inhibition ( I ami ) by apical application of amiloride; Na + channels were equally active in control epithelia and epithelia from leeches adapted to high salinity. Removal...
Journal Articles
J Exp Biol (2002) 205 (4): 523–531.
Published: 15 February 2002
... at a conductance ( G te ) of 40±2 mS cm –2 . The net influxes of Na + and Cl – were 8.3±2.6 and 18.2±2.7 μmol cm –2 h –1 , respectively. External amiloride (100 μmol l –1 ) reduced G te to approximately 50 % of the original value at unchanged I sc ; Cl – fluxes remained unaffected, whereas Na + fluxes were...
Journal Articles
J Exp Biol (1991) 161 (1): 119–134.
Published: 01 November 1991
...HONG LIN; DAVID RANDALL Ion transport inhibitors, amiloride, SITS, vanadate and acetazolamide, wereadded to the water to determine the effect of ion transfer mechanisms on the acidification of water passing over the gills. In neutral water, proton excretion causes a marked reduction in gill water...
Journal Articles
J Exp Biol (1990) 149 (1): 293–305.
Published: 01 March 1990
... to the internal perfusate reduced the influx to an average of 51.3% of the control values and had its maximal effect at lmmoll −1 . Ouabain (lmmol −1 ) added to the external perfusate had no significant effect on sodium influx. Amiloride (0.1 mmoll −1 ) added to the external perfusate reduced the influx...
Journal Articles
J Exp Biol (1985) 118 (1): 229–246.
Published: 01 September 1985
...A. R. COSSINS; P. A. RICHARDSON Addition of adrenalin (10 −4 moll −1 ) to trout erythrocytes in an unbuffered saline resulted in a rapid acidification of the extracellular medium. This process was inhibited by amiloride ( K½ 10 −4 moll −1 ) and by the removal of extracellular Na + . The rate...
Journal Articles
J Exp Biol (1985) 114 (1): 329–353.
Published: 01 January 1985
... = 8.69) had similar effects on ΔPNH 3 and ΔNH 4 + , but reduced J Na in and J Amm net by only 25%. The sodium transport inhibitor amiloride (10 −4 moll −1 in the external water, pH ≃ 8.0) had very similar effects to pH = 4.06 on both J Na in and J Amm net but did not alter ΔPNH 3 or ΔNH 4 + . The results...