the na+ , k+ -atpase , measured both by 86rb uptake in intact cells and atp hydrolysis by purified membranes , was inversely correlated with body mass index ( r = -0.62 ; p less than 0.005 and r = -0.75 ; p less than 0.0001 , respectively ) .
C0001473
atpase
C1510699
atp hydrolysis