urine-derived [ 3h ] ouabain displacing activity significantly inhibited monensin-stimulated increase in ouabain-sensitive 86rb uptake , a parameter of na+ , k+-adenosine triphosphatase ( atpase ) , by 95 % ( p less than 0.01 ) in cultured vascular smooth muscle cells ( a10 cells ) .
C0001479
na
C0001473
atpase