studies were made on the direct effects of glycyrrhizin and its aglycone , glycyrrhetinic acid on the activities of ( na+ + k+ ) -atpase and ( ca2+ + mg2+ ) -atpase , a membrane bound na+ and ca2+-extrusion pump enzyme of the basolateral membranes ( blm ) of canine kidney .
C0001479
na
C0001473
atpase