The fate of rat plasma very low density lipoprotein (VLDL) constituents was determined in the isolated perfused rat heart. VLDL was labeled with [14C]palmitate, 32P-phospholipids, [3H] cholesterol, and 125I-apolipoprotein C (apoC). Perfusions were performed with an albumin-containing buffer and without plasma. Radioactivity was followed in fractions of d < 1.019, d 1.019-1.04, d 1.04-1.21, and d > 1.21 g/ml, prepared by ultracentrifugation.
Tova Chajek, Shlomo Eisenberg
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