Jong, G. de

transferrin receptor protein uptake binding iron uptake transferrin receptor glycan serum concentration effect result microheterogeneity figure growth change hepatocyte membrane synthesis van eijk structure liver number diferric cell surface isoelectric surface group iron metabolism bone marrow fraction system mechanism table expression sialotransferrin molecule factor affinity diferric transferrin serum transferrin pregnancy pattern transferrin receptors function study release 0.0 plasma metabolism endocytosi microheterogeneous forms marrow condition difference carbohydrate amount transport distribution activity region sample element glycosylation iron deficiency control deficiency minute tissue chapter chern biochem fluid chain level rat hepatocytes disease blood intracellular solution