1992
DOI: 10.1016/s0021-9258(19)49900-6
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Lactoferrin uptake by the rat liver. Characterization of the recognition site and effect of selective modification of arginine residues.

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Cited by 95 publications
(27 citation statements)
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“…Human Lf competes with apo-E-bearing molecules for binding to hepatocytes [38]. This interaction is Ca# + -independent, and the number of pp36 binding sites on hepatocytes we report here correlates with the number of human Lf binding sites observed on isolated rat hepatocytes [26]. Alternatively, pp36 (pI approx.…”
Section: Discussionmentioning
confidence: 51%
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“…Human Lf competes with apo-E-bearing molecules for binding to hepatocytes [38]. This interaction is Ca# + -independent, and the number of pp36 binding sites on hepatocytes we report here correlates with the number of human Lf binding sites observed on isolated rat hepatocytes [26]. Alternatively, pp36 (pI approx.…”
Section: Discussionmentioning
confidence: 51%
“…100 kDa receptor for human Lf [16]. Other studies have shown that rat hepatocytes bind human Lf in a Ca# + -independent manner at relatively low affinity via the chylomicron remnant receptor [26,38]. It has been suggested that an apo-E-like binding determinant present in the N-lobe is responsible for this interaction [38], but the interaction of human Lf half-molecules with these cells has not been reported.…”
Section: Discussionmentioning
confidence: 99%
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“…Η μία είναι η LPR (lipoprotein receptor -related protein, η πρωτεΐνη σχετιζόμενη με τον υποδοχέα της λιποπρωτεΐνη) και η δεύτερη είναι η κύρια υπομονάδα του υποδοχέα της ασιαλολύκοπρωτεΐνης (RHL-1). Μετά την πρόσδεση της λακτοφερρίνης με τον υποδοχέα της ακολουθεί αποδόμηση στα λυσοσώματα (εικόνα 10) [78][79][80].…”
Section: πρόσληψη άλλων μορφών σιδήρου από το ήπαρunclassified
“…236 The in vitro uptake of lactoferrin by cultured cells including hepatocytes and macrophages, and its clearance in vivo, is inhibited by sulfated polysaccharides such as fucoidin and dextran sulfate. [237][238][239] Mann et al established that human lactoferrin binds to GAGs through a region of the protein localized to the first 33 residues of the mature protein. This region contains two clusters of basic residues that resemble the putative heparin-binding sites (BBXB) and these two regions act synergistically to facilitate binding between lactoferrin and GAGs.…”
Section: Early Effortsmentioning
confidence: 99%