原钒酸盐对欧洲鳗鲡鳃部盐分和水分流出的影响
Effects of orthovanadate on salt and water effluxes from the gills of seawater eels, Anguilla anguilla.
作者信息
Kelly K F, Bell M V, Sargent J R
出版信息
Biochim Biophys Acta. 1981 Jun 22;644(2):376-8. doi: 10.1016/0005-2736(81)90397-7.
Orthovanadate (5 . 10(-7) M) perfused through isolated gills at a constant rate increased the perfusion pressure by 40% but inhibited the effluxes of Na+ and Cl- by 40%. Water efflux was unaltered. Ouabain (10(-4) M) and rotenone (10(-4) M) influenced salt and water effluxes in the same way but did not alter perfusion pressures. Orthovanadate (10(-5) M) perfused at constant rate increased the pressure nearly 2.5-fold; under these conditions effluxes of Na+, Cl- and H2O were all increased approximately 2.5-fold.
以恒定速率通过离体鳃灌注原钒酸盐（5×10⁻⁷ M），灌注压力增加了40%，但Na⁺和Cl⁻的外流却被抑制了40%。水的外流未发生改变。哇巴因（10⁻⁴ M）和鱼藤酮（10⁻⁴ M）对盐和水外流的影响方式相同，但未改变灌注压力。以恒定速率灌注原钒酸盐（10⁻⁵ M），压力增加了近2.5倍；在这些条件下，Na⁺、Cl⁻和H₂O的外流均增加了约2.5倍。
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