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What is lipoprotein?

Spencer D. Kroll, MD
Internal Medicine
A lipoprotein is a biochemical entity that contains both proteins and lipids, which allow fats to move through the water inside and outside of cells. Typically a lipoprotein consists of a lipid layer shell surrounding a core of triglycerides and cholesterol esters. On the surface of this lipid layer are various embedded proteins. It is these embedded proteins that both identify and direct the action of the lipoprotein. Various lipoproteins such as LDL, HDL, VLDL and others are components of cholesterol transport within the blood stream.

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