Abstract
The binding and uptake of cholesterol enriched lipoproteins by isolated hepatocytes was decreased at 16 hours after partial hepatectomy, with a tendency to return to control values as the regeneration proceeds. The number of lipoprotein binding sites of total cellular membranes remained similar to control at 16 and 24 hours. The plasma lipoprotein pattern, determined by electrophoretic analysis, showed a lower per cent of very low density lipoproteins (VLDL) and a higher per cent of low density lipoproteins (LDL) at 16 and 24 hours post-partial hepatectomy. At these times, plasma lecithin: cholesterol acyltransferase (LCAT) activity was decreased. It is intriguing to suggest that the regenerating liver could regulated the blood lipoprotein pattern and the uptake of lipoproteins by modulating the surface expression of the receptors.
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Trentalance, A., Bruscalupi, G., Devirgiliis, L.C. et al. Changes in lipoprotein binding and uptake by hepatocytes during rat liver regeneration. Biosci Rep 9, 231–241 (1989). https://doi.org/10.1007/BF01116000
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DOI: https://doi.org/10.1007/BF01116000