The binding of high density lipoproteins to isolated rat hepatocytes.

作者: Leiv Ose , Ingeborg Røken , Kaare R. Norum , Christian A. Drevon , Trond Berg

DOI: 10.3109/00365518109092016

关键词:

摘要: The association of 125I-labelled rat high density lipoproteins (125I-HDL) to suspended hepatocytes was studied at 4°C. 125I-HDL associated isolated by two processes—one and one low affinity. cell-association 1251-HDL exhibited saturation kinetics inhibited varying degrees with both human such as VLDL, LDL HDL but not lipoprotein deficient serum or asialo-fetuin. did require divalent cations could be reduced pronase treatment the cells. binding site clearly different from receptor for in extrahepatic cells since heparin apolipoprotein E compete binding. Concanavalin A protein cholesterol ester labelled HDL. number sites 4°Cwas 2.2 × 106 per cell constant (Ka) 8.2 (mol/1) −1 Experiments [3H] means lecithin: ...

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