Antibody-induced receptor loss. Different fates for asialoglycoproteins and the asialoglycoprotein receptor in HepG2 cells.
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The asialoglycoprotein (ASGP) receptor is an abundant hepatocyte-specific receptor involved in receptor-mediated endocytosis. This receptor's abundance and function is decreased by chronic ethanol administration prior to the appearance of pathology such as necrosis or inflammation. Hence, this study aimed to determine if ASGP receptor function is required to protect against liver injury by util...
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Two cDNA clones isolated from a HepG2 lambda gt11 library encode the classical asialoglycoprotein receptor, H1, as well as a homologous membrane glycoprotein, H2 (Spiess, M., and Lodish, H.F. (1985) Proc. Natl. Acad. Sci. U.S.A. 82, 6465-6469). To study the relationship of H2 to H1 and its possible role in receptor-mediated endocytosis of desialyated glycoproteins, we generated anti-peptide ant...
متن کاملImmature human dendritic cells express asialoglycoprotein receptor isoforms for efficient receptor-mediated endocytosis.
In a search for genes expressed by dendritic cells (DC), we have cloned cDNAs encoding different forms of an asialoglycoprotein receptor (ASGPR). The DC-ASGPR represents long and short isoforms of human macrophage lectin, a Ca(2+)-dependent type II transmembrane lectin displaying considerable homology with the H1 and H2 subunits of the hepatic ASGPR. Immunoprecipitation from DC using an anti-DC...
متن کاملAsialoglycoprotein receptor phosphorylation and receptor-mediated endocytosis in hepatoma cells. Effect of phorbol esters.
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1986
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)66857-7