23Na nuclear magnetic resonance study of Na+-K+ pump inhibition by a fraction from uremic toxins.
نویسندگان
چکیده
An in vitro inhibitor of Na+/K+-transporting ATPase (EC 3.6.1.37) was isolated from uremic plasma and normal urine by liquid chromatography. A 23Na nuclear magnetic resonance study involving living erythrocytes showed that this inhibitor causes impairment of the Na+-K+ pump of intact erythrocytes. This finding may explain the high intra-erythrocytic sodium concentration in those uremic patients exhibiting a high concentration of this inhibitor. The presence of this same inhibitor in normal urine suggests that it may play a physiological role.
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عنوان ژورنال:
- Clinical chemistry
دوره 34 10 شماره
صفحات -
تاریخ انتشار 1988