human renal cortical cells were extracted by collagenase treatment from the kidneys of `` '' normal '' '' heart-beating cadaver organ donors ( n = 13 ) , patients with end-stage renal disease ( esrd ) at pretransplant bilateral nephrectomy and splenectomy ( n = 13 ) , and from irreversibly rejected renal allografts at the time of graft nephrectomy ( n = 5 ) .
C0022655
renal cortical
C0022646
kidneys