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The remainder of the serum cholesterol after subtracting the HDL is the non-HDL cholesterol. The concentration of these other components, which may cause atheroma, is known as the non-HDL-C. This is now preferred to LDL-C as a secondary marker as it has been shown to be a better predictor and it is more easily calculated. [10]
The chemical reaction is the same as the total cholesterol measurement, except that the enzymes are blocked from acting on non-HDL lipoproteins by the reagent and their own PEG tails. [8] From these three data LDL may be calculated. According to Friedewald's equation: [9] [LDL] = [Total cholesterol] − [HDL] − [Triglycerides] / 5
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Cholesterol oleate, a member of the cholesteryl ester family. Cholesteryl esters are a type of dietary lipid and are ester derivatives of cholesterol. The ester bond is formed between the carboxylate group of a fatty acid and the hydroxyl group of cholesterol. Cholesteryl esters have a lower solubility in water due to their increased ...
Examples of these lipids include cholesterol and triglycerides. The concentration of blood lipids depends on intake and excretion from the intestine , and uptake and secretion from cells . Hyperlipidemia is the presence of elevated or abnormal levels of lipids and/or lipoproteins in the blood , and is a major risk factor for cardiovascular ...
Remnant cholesterol is the cholesterol content of triglyceride-rich lipoproteins, which consist of very low-density lipoproteins and intermediate-density lipoproteins with chylomicron remnants. [ 2 ] [ 5 ] Remnant cholesterol is primarily chylomicron and VLDL, and each remnant particle contains about 40 times more cholesterol than LDL.
Hypercholesterolemia; Other names: Hypercholesterolaemia, high cholesterol: A color photograph of two bags of thawed fresh frozen plasma: The bag on the left was obtained from a donor with hypercholesterolemia, and contains altered serum lipid levels, while the bag obtained from a normal donor contains regular serum lipid levels.
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