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  • Title: High density lipoproteins reduce the uptake of low density lipoproteins by human endothelial cells in culture.
    Author: Stein O, Stein Y.
    Journal: Biochim Biophys Acta; 1976 May 27; 431(2):363-8. PubMed ID: 181058.
    Abstract:
    Endothelial cells, explanted from human umbilical veins and cultured, maintained morphological characteristics of vascular endothelium. When exposed to human serum lipoproteins, the cells bound and took up low density lipoproteins in preference to high density lipoproteins. High density lipoproteins reduced markedly the uptake of low density lipoproteins and affected surface binding to a lesser extent. These data suggest that the different levels of high density lipoprotein encountered in normal plasma of males and females could modulate differently the transendothelial transport of low density lipoproteins and provide a possible explanation for the lesser severity of atheromatosis in the aortic intima of premenopausal females.
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