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A 41 kDa Transferrin Related Molecule Acts as an Autocrine Growth Factor for HL-60 Cells.

Biochem. Biophys. Res. Commun. 176, 473-478 (1991)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
HL-60 cells produce an autostimulatory growth factor. Since the stimulatory effect of HL-60 conditioned medium is only observed in the absence of exogenous transferrin we have assayed HL-60 cells for the production of transferrin and found that they produce polypeptides which react with transferrin antibodies. 35S-methionine labelling, immunoprecipitation and subsequent separation by SDS-gel electrophoresis reveals the presence of a major transferrin related 41 +/- 2 kDa species released by HL-60 cells. Physiological levels of iron salts completely abolish the requirement of exogenous transferrin which indicates that the endogenous transferrin related polypeptides in the presence of exogenous inorganic iron salts are sufficient for the proliferation of HL-60 cells provided insulin or related growth factors are present. The addition of transferrin receptor antibodies inhibits the stimulatory action of the endogenous transferrin related activity.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 1991
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0006-291X
e-ISSN 1090-2104
Quellenangaben Band: 176, Heft: 1, Seiten: 473-478 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed
PubMed ID 2018536
Erfassungsdatum 1991-12-31