The effect of hyperthermia on the sodium-potassium pump in Chinese hamster ovary cells.


The effect of hyperthermia on the Na+-K+ pump was determined by measuring influx and efflux of 86Rb+ in Chinese hamster ovary cells from 31 to 50 degrees C. The maximum initial rate of ouabain-sensitive influx increased with temperature between 31 and 45 degrees C although Km increased significantly above 37 degrees C, implying a diminished affinity of the… (More)


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