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Usage Information

Receptor-mediated Catabolism of Low Density Lipoprotein in Man. QUANTITATION USING GLUCOSYLATED LOW DENSITY LIPOPROTEIN
Y. Antero Kesaniemi, … , Joseph L. Witztum, Urs P. Steinbrecher
Y. Antero Kesaniemi, … , Joseph L. Witztum, Urs P. Steinbrecher
Published April 1, 1983
Citation Information: J Clin Invest. 1983;71(4):950-959. https://doi.org/10.1172/JCI110849.
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Research Article

Receptor-mediated Catabolism of Low Density Lipoprotein in Man. QUANTITATION USING GLUCOSYLATED LOW DENSITY LIPOPROTEIN

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Abstract

Low density lipoprotein (LDL) catabolism occurs by LDL receptor-dependent and LDL receptor-independent pathways. We have shown previously that nonenzymatic glucosylation of LDL in the presence of cyanoborohydride irreversibly blocks the lysine residues of LDL. Glucosylated LDL (GLC-LDL) was not degraded by the LDL receptor of fibroblasts, and its degradation by macrophages was similar to that of native LDL. This suggested that GLC-LDL should be a good tracer of LDL receptor-independent catabolism, and if combined with a tracer of total LDL catabolism, should enable one to calculate the extent of LDL receptor-dependent catabolism.

Authors

Y. Antero Kesaniemi, Joseph L. Witztum, Urs P. Steinbrecher

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Usage data is cumulative from July 2024 through July 2025.

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Text version 197 28
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Scanned page 473 2
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