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Increased uptake and desulphaton of heparin by mouse macrophages in the presence of polycations
Authors:Ina Fabian  Ilan Bleiberg  Moshe Aronson
Affiliation:Department of Histology and Cell Biology, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv Israel
Abstract:Heparin uptake and desulphation by cultured macrophages were investigated. Histones, polyamino-acids, protamine and eosinophil-basic protein stimulated both heparin uptake and desulphation, processes found to be non-related. Poly-l-ornithine and poly-dl-lysine increased the heparin uptake by about 33-fold, and histone produced up to 7.5-fold increase in the desulphation. The same polycations inhibited heparin desulphation by macrophage extracts.
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