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Low-density lipoprotein (LDL) is one of the five major groups of lipoprotein that transport all fat molecules around the body in extracellular water. [1] These groups, from least dense to most dense, are chylomicrons (aka ULDL by the overall density naming convention), very low-density lipoprotein (VLDL), intermediate-density lipoprotein (IDL ...
Lidl (German pronunciation: LEE-dəl) is a German international discount retailer chain [3] that operates over 12,000 stores, present in every member state of the European Union, Serbia, Switzerland, the United Kingdom and the United States. [4]
LDL circulates and is absorbed by the liver and peripheral cells. Binding of LDL to its target tissue occurs through an interaction between the LDL receptor and apolipoprotein B-100 on the LDL particle. Absorption occurs through endocytosis, and the internalized LDL particles are hydrolyzed within lysosomes, releasing lipids, chiefly cholesterol.
The low-density lipoprotein receptor (LDL-R) is a mosaic protein of 839 amino acids (after removal of 21-amino acid signal peptide) [5] that mediates the endocytosis ...
Oxidized low-density lipoprotein receptor 1 (Ox-LDL receptor 1) also known as lectin-type oxidized LDL receptor 1 (LOX-1) is a protein that in humans is encoded by the OLR1 gene. [ 5 ] [ 6 ] LOX-1 is the main receptor for oxidized LDL on endothelial cells , macrophages , smooth muscle cells , [ 7 ] and other cell types. [ 8 ]
In FH, LDL receptor function is reduced or absent, [9] and LDL circulates for an average duration of 4.5 days, resulting in a significantly increased level of LDL cholesterol in the blood with normal levels of other lipoproteins. [6] In mutations of ApoB, reduced binding of LDL particles to the receptor causes the increased level of LDL ...
Because of the high cost of directly measuring HDL and LDL (low-density lipoprotein) protein particles, blood tests are commonly performed for the surrogate value, HDL-C, i.e. the cholesterol associated with ApoA-1/HDL particles. In healthy individuals, about 30% of blood cholesterol, along with other fats, is carried by HDL. [5]
[citation needed] In general, IDL, somewhat similar to low-density lipoprotein (LDL), transports a variety of triglyceride fats and cholesterol and, like LDL, can also promote the growth of atheroma. [citation needed] VLDL is a large, triglyceride-rich lipoprotein secreted by the liver that transports triglyceride to adipose tissue and muscle.