molecular function |
| GO:0034190 | | apolipoprotein receptor binding | | Interacting selectively and non-covalently with an apolipoprotein receptor. |
| GO:0015485 | | cholesterol binding | | Interacting selectively and non-covalently with cholesterol (cholest-5-en-3-beta-ol); the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. |
| GO:0017127 | | cholesterol transporter activity | | Enables the directed movement of cholesterol into, out of or within a cell, or between cells. Cholesterol is the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. |
| GO:0008035 | | high-density lipoprotein particle binding | | Interacting selectively and non-covalently with high-density lipoprotein particle, a lipoprotein particle with a high density (typically 1.063-1.21 g/ml) and a diameter of 5-10 nm that contains APOAs and may contain APOCs and APOE. |
| GO:0070653 | | high-density lipoprotein particle receptor binding | | Interacting selectively and non-covalently with a high-density lipoprotein receptor. |
| GO:0055102 | | lipase inhibitor activity | | Stops, prevents or reduces the activity of a lipase, an enzyme that catalyzes of the hydrolysis of a lipid. |
| GO:0008289 | | lipid binding | | Interacting selectively and non-covalently with a lipid. |
| GO:0005319 | | lipid transporter activity | | Enables the directed movement of lipids into, out of or within a cell, or between cells. |
| GO:0031210 | | phosphatidylcholine binding | | Interacting selectively and non-covalently with phosphatidylcholine, a class of glycophospholipids in which a phosphatidyl group is esterified to the hydroxyl group of choline. |
| GO:0060228 | | phosphatidylcholine-sterol O-acyltransferase activator activity | | Increases the activity of phosphatidylcholine-sterol O-acyltransferase, an enzyme that converts cholesterol and phosphatidylcholine (lecithins) to cholesteryl esters and lyso-phosphatidylcholines. |
| GO:0005543 | | phospholipid binding | | Interacting selectively and non-covalently with phospholipids, a class of lipids containing phosphoric acid as a mono- or diester. |
| GO:0005515 | | protein binding | | Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules). |
| GO:0046982 | | protein heterodimerization activity | | Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer. |
| GO:0042803 | | protein homodimerization activity | | Interacting selectively and non-covalently with an identical protein to form a homodimer. |
biological process |
| GO:0002526 | | acute inflammatory response | | Inflammation which comprises a rapid, short-lived, relatively uniform response to acute injury or antigenic challenge and is characterized by accumulations of fluid, plasma proteins, and granulocytic leukocytes. An acute inflammatory response occurs within a matter of minutes or hours, and either resolves within a few days or becomes a chronic inflammatory response. |
| GO:0031100 | | animal organ regeneration | | The regrowth of a lost or destroyed animal organ. |
| GO:0033344 | | cholesterol efflux | | The directed movement of cholesterol, cholest-5-en-3-beta-ol, out of a cell or organelle. |
| GO:0042632 | | cholesterol homeostasis | | Any process involved in the maintenance of an internal steady state of cholesterol within an organism or cell. |
| GO:0008203 | | cholesterol metabolic process | | The chemical reactions and pathways involving cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. It is a component of the plasma membrane lipid bilayer and of plasma lipoproteins and can be found in all animal tissues. |
| GO:0030301 | | cholesterol transport | | The directed movement of cholesterol, cholest-5-en-3-beta-ol, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. |
| GO:0046340 | | diacylglycerol catabolic process | | The chemical reactions and pathways resulting in the breakdown of diacylglycerol, a glyceride in which any two of the R groups (positions not specified) are acyl groups while the remaining R group can be either H or an alkyl group. |
| GO:0034380 | | high-density lipoprotein particle assembly | | The non-covalent aggregation and arrangement of proteins and lipids to form a high-density lipoprotein particle. |
| GO:0034384 | | high-density lipoprotein particle clearance | | The process in which a high-density lipoprotein particle is removed from the blood via receptor-mediated endocytosis and its constituent parts degraded. |
| GO:0034375 | | high-density lipoprotein particle remodeling | | The acquisition, loss or modification of a protein or lipid within a high-density lipoprotein particle, including the hydrolysis of triglyceride by hepatic lipase, with the subsequent loss of free fatty acid, and the transfer of cholesterol esters from LDL to a triglyceride-rich lipoprotein particle by cholesteryl ester transfer protein (CETP), with the simultaneous transfer of triglyceride to LDL. |
| GO:0006869 | | lipid transport | | The directed movement of lipids into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Lipids are compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. |
| GO:0042158 | | lipoprotein biosynthetic process | | The chemical reactions and pathways resulting in the formation of any conjugated, water-soluble protein in which the covalently attached nonprotein group consists of a lipid or lipids. |
| GO:0042157 | | lipoprotein metabolic process | | The chemical reactions and pathways involving any conjugated, water-soluble protein in which the covalently attached nonprotein group consists of a lipid or lipids. |
| GO:0034374 | | low-density lipoprotein particle remodeling | | The acquisition, loss or modification of a protein or lipid within a low-density lipoprotein particle, including the hydrolysis of triglyceride by hepatic lipase, with the subsequent loss of free fatty acid, and the transfer of cholesterol esters from LDL to a triglyceride-rich lipoprotein particle by cholesteryl ester transfer protein (CETP), with the simultaneous transfer of triglyceride to LDL. |
| GO:0060621 | | negative regulation of cholesterol import | | Any process that decreases the rate, frequency or extent of cholesterol import. Cholesterol import is the directed movement of cholesterol into a cell or organelle. |
| GO:0032375 | | negative regulation of cholesterol transport | | Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of cholesterol into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. |
| GO:0060695 | | negative regulation of cholesterol transporter activity | | Any process that decreases the rate, frequency, or extent of cholesterol transporter activity. |
| GO:0002740 | | negative regulation of cytokine secretion involved in immune response | | Any process that stops, prevents, or reduces the frequency, rate, or extent of cytokine secretion contributing to an immune response. |
| GO:0060192 | | negative regulation of lipase activity | | Any process that decreases the frequency, rate or extent of lipase activity, the hydrolysis of a lipid or phospholipid. |
| GO:0050995 | | negative regulation of lipid catabolic process | | Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of lipids. |
| GO:0010903 | | negative regulation of very-low-density lipoprotein particle remodeling | | Any process that decreases the rate, frequency or extent of very-low-density lipoprotein particle remodeling. Very-low-density lipoprotein particle remodeling is the acquisition, loss or modification of a protein or lipid within a very-low-density lipoprotein particle, including the hydrolysis of triglyceride by hepatic lipase or lipoprotein lipase and the subsequent loss of free fatty acid. |
| GO:0018206 | | peptidyl-methionine modification | | The modification of peptidyl-methionine. |
| GO:0006656 | | phosphatidylcholine biosynthetic process | | The chemical reactions and pathways resulting in the formation of phosphatidylcholines, any of a class of glycerophospholipids in which the phosphatidyl group is esterified to the hydroxyl group of choline. |
| GO:0009395 | | phospholipid catabolic process | | The chemical reactions and pathways resulting in the breakdown of phospholipids, any lipid containing phosphoric acid as a mono- or diester. |
| GO:0033700 | | phospholipid efflux | | The directed movement of a phospholipid out of a cell or organelle. |
| GO:0043085 | | positive regulation of catalytic activity | | Any process that activates or increases the activity of an enzyme. |
| GO:0010873 | | positive regulation of cholesterol esterification | | Any process that increases the frequency, rate or extent of cholesterol esterification. Cholesterol esterification is the lipid modification process in which a sterol ester is formed by the combination of a carboxylic acid (often a fatty acid) and cholesterol. In the blood this process is associated with the conversion of free cholesterol into cholesteryl ester, which is then sequestered into the core of a lipoprotein particle. |
| GO:0045416 | | positive regulation of interleukin-8 biosynthetic process | | Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of interleukin-8. |
| GO:0050996 | | positive regulation of lipid catabolic process | | Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of lipids. |
| GO:0018158 | | protein oxidation | | The modification of a protein amino acid by oxidation. |
| GO:0030300 | | regulation of intestinal cholesterol absorption | | Any process that modulates the frequency, rate or extent of absorption of cholesterol into the blood, and the exclusion of other sterols from absorption. |
| GO:0031647 | | regulation of protein stability | | Any process that affects the structure and integrity of a protein, altering the likelihood of its degradation or aggregation. |
| GO:0042493 | | response to drug | | Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease. |
| GO:0043627 | | response to estrogen | | Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of stimulus by an estrogen, C18 steroid hormones that can stimulate the development of female sexual characteristics. |
| GO:0051384 | | response to glucocorticoid | | Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a glucocorticoid stimulus. Glucocorticoids are hormonal C21 corticosteroids synthesized from cholesterol with the ability to bind with the cortisol receptor and trigger similar effects. Glucocorticoids act primarily on carbohydrate and protein metabolism, and have anti-inflammatory effects. |
| GO:0009749 | | response to glucose | | Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a glucose stimulus. |
| GO:0001523 | | retinoid metabolic process | | The chemical reactions and pathways involving retinoids, any member of a class of isoprenoids that contain or are derived from four prenyl groups linked head-to-tail. Retinoids include retinol and retinal and structurally similar natural derivatives or synthetic compounds, but need not have vitamin A activity. |
| GO:0043691 | | reverse cholesterol transport | | The directed movement of peripheral cell cholesterol, cholest-5-en-3-beta-ol, towards the liver for catabolism. |
| GO:0006810 | | transport | | The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein. |
| GO:0006641 | | triglyceride metabolic process | | The chemical reactions and pathways involving triglyceride, any triester of glycerol. The three fatty acid residues may all be the same or differ in any permutation. Triglycerides are important components of plant oils, animal fats and animal plasma lipoproteins. |
| GO:0034370 | | triglyceride-rich lipoprotein particle remodeling | | The acquisition, loss or modification of a protein or lipid within a triglyceride-rich lipoprotein particle, including the hydrolysis of triglyceride by lipoprotein lipase, with the subsequent loss of free fatty acid, and the transfer of cholesterol esters to a triglyceride-rich lipoprotein particle by cholesteryl ester transfer protein (CETP), with the simultaneous transfer of triglyceride from a triglyceride-rich lipoprotein particle. |
| GO:0016032 | | viral process | | A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle. |
cellular component |
| GO:0072562 | | blood microparticle | | A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids. |
| GO:0042627 | | chylomicron | | A large lipoprotein particle (diameter 75-1200 nm) composed of a central core of triglycerides and cholesterol surrounded by a protein-phospholipid coating. The proteins include one molecule of apolipoprotein B-48 and may include a variety of apolipoproteins, including APOAs, APOCs and APOE. Chylomicrons are found in blood or lymph and carry lipids from the intestines into other body tissues. |
| GO:0005829 | | cytosol | | The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes. |
| GO:0005769 | | early endosome | | A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways. |
| GO:0005788 | | endoplasmic reticulum lumen | | The volume enclosed by the membranes of the endoplasmic reticulum. |
| GO:0070062 | | extracellular exosome | | A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm. |
| GO:0005576 | | extracellular region | | The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite. |
| GO:0005615 | | extracellular space | | That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid. |
| GO:0034364 | | high-density lipoprotein particle | | A lipoprotein particle with a high density (typically 1.063-1.21 g/ml) and a diameter of 5-10 nm that contains APOAs and may contain APOCs and APOE; found in blood and carries lipids from body tissues to the liver as part of the reverse cholesterol transport process. |
| GO:0034366 | | spherical high-density lipoprotein particle | | A mature high-density lipoprotein (HDL) particle, converted from discoidal HDL particles following the esterification of cholesterol in the particle by phosphatidylcholine-sterol O-acyltransferase (lecithin cholesterol acyltransferase; LCAT). |
| GO:0034361 | | very-low-density lipoprotein particle | | A triglyceride-rich lipoprotein particle that is typically composed of APOB100, APOE and APOCs and has a density of about 1.006 g/ml and a diameter of between 20-80 nm. It is found in blood and transports endogenous products (newly synthesized cholesterol and triglycerides) from the liver. |