Low-density lipoprotein
Low-density lipoprotein (LDL) is one of the five major groups of lipoproteins. These groups, from least dense to most dense, are chylomicrons, very low-density lipoprotein (VLDL), intermediate-density lipoprotein (IDL), low-density lipoprotein and high-density lipoprotein (HDL), all of which are far smaller than human cells.
Lipoproteins transfer fats around the body in the extracellular fluid, can be sampled from blood and allow fats to be taken up by the cells of the body by receptor-mediated endocytosis. Lipoproteins are complex particles composed of multiple proteins which transport all fat molecules (lipids) around the body within the water outside cells. They are typically composed of 80-100 proteins/particle (organized by a single apolipoprotein B for LDL and the larger particles). A single LDL particle is about 220-275 angstroms in diameter typically transporting 3,000 to 6,000 fat molecules/particle, varying in size according to the number and mix of fat molecules contained within. The fats carried include cholesterol, phospholipids, and triglycerides; amounts of each vary considerably.
LDL (disambiguation)
LDL is a low-density lipoprotein, one of the five major groups of lipoproteins.
LDL or LdL may also refer to:
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Latest News for: ldl
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