Biomaterial Database

[Cholesterol homeostasis and enterohepatic connection: new insights in cholesterol absorption]. 2011

Boudewijn Klop, and Jan Willem F Elte, and Manuel Castro Cabezas

Sint Franciscus Gasthuis, afd. Interne Geneeskunde, Rotterdam, the Netherlands. b.klop@sfg.nl

The intestines have been proposed as the 'new player' in the field of atherosclerosis as a result of recent discoveries on intestinal cholesterol absorption and excretion. 'Niemann-Pick C1-like 1' is one of the most important transport proteins in the process of intestinal and biliary cholesterol absorption. Cholesterol is not only excreted via the hepato-biliary route but is also excreted directly into the intestinal lumen; this transintestinal cholesterol excretion is particularly important in mice. Other cholesterol transporters have also been identified, including the ABC transporters, which have been linked to rare disorders such as sitosterolemia. Inhibition of intestinal cholesterol absorption increases the hepatic synthesis of cholesterol and vis versa; several different genes and hormones play an important role in this process. When the effect of statins is insufficient or they cause too many side-effects, additional inhibition of intestinal cholesterol absorption is indicated.

UI	MeSH Term	Description	Entries
D007408	Intestinal Absorption	Uptake of substances through the lining of the INTESTINES.	Absorption, Intestinal
D008565	Membrane Proteins	Proteins which are found in membranes including cellular and intracellular membranes. They consist of two types, peripheral and integral proteins. They include most membrane-associated enzymes, antigenic proteins, transport proteins, and drug, hormone, and lectin receptors.	Cell Membrane Protein,Cell Membrane Proteins,Cell Surface Protein,Cell Surface Proteins,Integral Membrane Proteins,Membrane-Associated Protein,Surface Protein,Surface Proteins,Integral Membrane Protein,Membrane Protein,Membrane-Associated Proteins,Membrane Associated Protein,Membrane Associated Proteins,Membrane Protein, Cell,Membrane Protein, Integral,Membrane Proteins, Integral,Protein, Cell Membrane,Protein, Cell Surface,Protein, Integral Membrane,Protein, Membrane,Protein, Membrane-Associated,Protein, Surface,Proteins, Cell Membrane,Proteins, Cell Surface,Proteins, Integral Membrane,Proteins, Membrane,Proteins, Membrane-Associated,Proteins, Surface,Surface Protein, Cell
D009542	Niemann-Pick Diseases	A group of autosomal recessive disorders in which harmful quantities of lipids accumulate in the viscera and the central nervous system. They can be caused by deficiencies of enzyme activities (SPHINGOMYELIN PHOSPHODIESTERASE) or defects in intracellular transport, resulting in the accumulation of SPHINGOMYELINS and CHOLESTEROL. There are various subtypes based on their clinical and genetic differences.	ASM Deficiency,ASM-Deficient Niemann-Pick Disease,Acid Sphingomyelinase Deficiency,Acid Sphingomyelinase-deficient Niemann-Pick Disease,Niemann-Pick Disease,ASM Deficiencies,ASM Deficient Niemann Pick Disease,ASM-Deficient Niemann-Pick Diseases,Acid Sphingomyelinase deficient Niemann Pick Disease,Deficiencies, ASM,Deficiencies, Acid Sphingomyelinase,Deficiency, ASM,Deficiency, Acid Sphingomyelinase,Disease, ASM-Deficient Niemann-Pick,Diseases, ASM-Deficient Niemann-Pick,Niemann Pick Disease,Niemann Pick Diseases,Niemann-Pick Disease, ASM-Deficient,Niemann-Pick Diseases, ASM-Deficient,Sphingomyelinase Deficiencies, Acid,Sphingomyelinase Deficiency, Acid
D002784	Cholesterol	The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils.	Epicholesterol
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006937	Hypercholesterolemia	A condition with abnormally high levels of CHOLESTEROL in the blood. It is defined as a cholesterol value exceeding the 95th percentile for the population.	Hypercholesteremia,Elevated Cholesterol,High Cholesterol Levels,Cholesterol Level, High,Cholesterol Levels, High,Cholesterol, Elevated,Cholesterols, Elevated,Elevated Cholesterols,High Cholesterol Level,Hypercholesteremias,Hypercholesterolemias,Level, High Cholesterol,Levels, High Cholesterol
D000924	Anticholesteremic Agents	Substances used to lower plasma CHOLESTEROL levels.	Cholesterol Inhibitors,Hypocholesteremic Agents,Anticholesteremic Drugs,Anticholesteremics,Inhibitors, Cholesterol,Agents, Anticholesteremic,Agents, Hypocholesteremic,Drugs, Anticholesteremic
D026901	Membrane Transport Proteins	Membrane proteins whose primary function is to facilitate the transport of molecules across a biological membrane. Included in this broad category are proteins involved in active transport (BIOLOGICAL TRANSPORT, ACTIVE), facilitated transport and ION CHANNELS.	Biological Pump,Membrane Transport Protein,Membrane Transporter,Membrane Transporters,Metabolic Pump,Permease,Biological Pumps,Metabolic Pumps,Permeases,Pump, Biologic,Pump, Biological,Pump, Metabolic,Pumps, Biological,Pumps, Metabolic,Biologic Pump,Protein, Membrane Transport,Transport Protein, Membrane,Transport Proteins, Membrane,Transporter, Membrane,Transporters, Membrane