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Cholesterol is the principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. [3] [4] Cholesterol is biosynthesized by all animal cells and is an essential structural component of animal cell membranes. In vertebrates, hepatic cells typically produce the greatest amounts.
Lipid metabolism. Lipid metabolism is the synthesis and degradation of lipids in cells, involving the breakdown and storage of fats for energy and the synthesis of structural and functional lipids, such as those involved in the construction of cell membranes. In animals, these fats are obtained from food and are synthesized by the liver. [1]
Low-density lipoprotein. LDL has been associated with the progression of atherosclerosis and blockage of the artery lumen, because it can carry cholesterol into smaller vessels. But LDL is also essential for carrying lipids that keep the human body alive, including in those small vessels. Low-density lipoprotein (LDL) is one of the five major ...
Having high LDL cholesterol is one of the primary risk factors for heart disease. High cholesterol leads to plaque buildup in the arteries, which can narrow and block blood flow to the heart ...
Cholesterol plays an important role in the body because it’s used to build cells and make vitamins and hormones. There are two sources of cholesterol: the liver (which makes all the cholesterol ...
We want to have optimal levels—and not “optimal” by arbitrary laboratory standards, but optimal for human health. Normal LDL cholesterol levels are associated with the build-up of ...
The role of lipoprotein particles is to transport fat molecules, such as triglycerides, phospholipids, and cholesterol within the extracellular water of the body to all the cells and tissues of the body. The proteins included in the external shell of these particles, called apolipoproteins, are synthesized and secreted into the extracellular ...
Blood lipids (or blood fats) are lipids in the blood, either free or bound to other molecules. They are mostly transported in a phospholipid capsule, and the type of protein embedded in this outer shell determines the fate of the particle and its influence on metabolism. Examples of these lipids include cholesterol and triglycerides.
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