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红细胞钠泵对于维持红细胞形态及功能具有重要的意义。用~(86)Rb测定钠泵活性,受细胞内代谢物及各底物浓度的影响,用Na~+-K~+-ATP酶活性表示钠泵活性也受[Na~+]、[K~+]、[ATP]等的影响。因此上述方法难以作为膜上钠泵数量的确切指标。
RBC sodium pump for the maintenance of erythrocyte morphology and function of great significance. The sodium pump activity was measured by ~ (86) Rb, and the sodium pump activity was also affected by Na ~ +, K + -ATPase activity and [K ~ +], [ATP] and so on. Therefore, the above method is difficult as an exact indicator of the amount of sodium pump on the membrane.