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Abstract
The low density lipoproteins (LDL) of d 1.019-1.063 g/ml of patients with familial lecithin: cholesterol acyltransferase (LCAT) deficiency show marked heterogeneity when viewed with the electron microscope. At least two types of particles are present, one large and the other small. The large particles predominate in a LDL subfraction of large molecular weight isolated by gel filtration on 2% agarose gel. They appear to be flattened structures with diameters mainly in the range of 900-1200 A. The small particles predominate in a LDL subfraction of smaller molecular weight isolated by filtration on the same type of gel. They are 210-250 A in diameter and are similar to normal LDL in size and shape.
Authors
Trudy Forte, Kaare R. Norum, John A. Glomset, Alex V. Nichols
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