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25-HYDROXYCHOLESTEROL

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CAS:2140-46-7
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25-HYDROXYCHOLESTEROL Basic information
Product Name:25-HYDROXYCHOLESTEROL
Synonyms:25-HYDROXYCHOLESTEROL;3BETA,25-DIHYDROXY-5-CHOLESTENE;5-CHOLESTEN-3-BETA, 25-DIOL;5-CHOLESTENE-3BETA,25-DIOL;25-Hydroxycholesterol (not deuterated);Cholest-5-ene-3,25-diol, (3.beta.)-;5-cholestene-3β,25-diol;(3S,8S,9S,10R,13R,14S,17R)-17-[(2R)-6-hydroxy-6-methyl-heptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
CAS:2140-46-7
MF:C27H46O2
MW:402.65
EINECS:218-362-5
Product Categories:Hydroxycholesterol;Apoptosis;Inhibitors;Intermediates & Fine Chemicals;Metabolites & IMpurities;Pharmaceuticals;Steroids
Mol File:2140-46-7.mol
25-HYDROXYCHOLESTEROL Structure
25-HYDROXYCHOLESTEROL Chemical Properties
Melting point 177-179 °C
Boiling point 513.1±23.0 °C(Predicted)
density 1.03±0.1 g/cm3(Predicted)
storage temp. -20°C
solubility chloroform: 50 mg/mL, clear, colorless to slightly yellow
pka15.03±0.70(Predicted)
form solid
color White or pale yellow
biological sourcesynthetic (organic)
Merck 13,4846
BRN 3161259
Stability:Stable for 1 year from date of purchase as supplied. Solutions in DMSO or ethanol may be stored at -20° for up to 3 months.
InChIKeyINBGSXNNRGWLJU-ZHHJOTBYSA-N
SMILES[C@@]12([H])CC[C@H]([C@H](C)CCCC(O)(C)C)[C@@]1(C)CC[C@]1([H])[C@@]3(C)CC[C@H](O)CC3=CC[C@@]21[H] |&1:0,4,5,14,18,20,24,30,r|
Safety Information
Hazard Codes Xn
Risk Statements 20/21/22-36/37/38-48
Safety Statements 26-36-45
WGK Germany 3
HS Code 29062990
Storage Class11 - Combustible Solids
MSDS Information
ProviderLanguage
SigmaAldrich English
25-HYDROXYCHOLESTEROL Usage And Synthesis
Description25-hydroxy Cholesterol is an oxysterol. It is formed from cholesterol by cholesterol-25-hydroxylase, and its production can be induced by inflammation or infection. 25-hydroxy Cholesterol suppresses endogenous cholesterol synthesis by binding to insulin-induced gene (INSIG) proteins and preventing sterol regulatory element binding proteins (SREBPs) from being transported to the Golgi. It inhibits IgA class switching induced by LPS and various cytokines in B cells (IC50 = ~50 nM). 25-hydroxy Cholesterol inhibits replication of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Vero cells (EC50 = 3.675 μM) and reduces increases in viral protein production in infected Vero cells when used prior to infection. It reduces viral RNA loads in the lung and trachea in a mouse model of SARS-CoV-2 infection when administered at a dose of 100 mg/kg per day. Serum levels of 25-hydroxy cholesterol are increased in mice expressing human angiotensin-converting enzyme 2 (hACE2), the functional receptor for SARS-CoV-2, in a model of SARS-CoV-2 infection and in a patient with COVID-19, the primarily respiratory disease caused by SARS-CoV-2.
Chemical PropertiesOff-White Solid
Uses25-Hydroxycholesterol was used to treat mouse neuroblastoma cells to activate the ABCA1 signaling and in studies related to fatty acid metabolism.
UsesAn oxygenated derivative of Cholesterol (C432501); an oxysterol. An inhibitor of human immunodeficiency virus replication in vitro. It induces apoptosis in human monocytic cell lines as well as inducing apoptosis in CEM cells associated with negative regulation of c-Myc.
DefinitionChEBI: 25-hydroxycholesterol is an oxysterol and a 25-hydroxy steroid. It has a role as a human metabolite. It is functionally related to a cholesterol.
Biological Functions25-Hydroxycholesterol (25-HC) is an oxysterol, an early intermediate in the metabolism of cholesterol to bile acids. Studies have shown that 25-HC is closely linked to intracellular cholesterol synthesis and metabolism, and that increased 25-HC synthesis leads to decreased cholesterol synthesis and uptake. 25-HC is also an important component in the control of intracellular cholesterol metabolism, interacting with inflammatory states. In immune function, 25-HC inhibits a wide range of viral infections by regulating the synthesis and distribution of sterols in cells, and is the first line of defence for the lungs. It has a protective effect against tumour growth and metastasis development. In addition, 25-HC and its metabolite 7α, 25-DHC also show beneficial properties by modulating immune cell migration or endothelial/epithelial barrier properties, thus making them involved in atherosclerosis and CNS diseases.
General Description25-hydroxy-cholesterol is a side chain substituted oxysterol. Avanti′s unique sterol reverses cataracts in mice. Gestwicki′s team ...... settled on compound 29, a steroid found naturally in the bloodstream but not in the lens, which has no blood supply. Mice with age-related and hereditary cataracts received drops in the right eye, whereas the left eye went untreated. After just a few weeks, the treated eye was visibly clearer, says Gestwicki, who conducted the work while at the University of Michigan. Cataract severity is measured on a scale of zero to four, with four being the worst case. On average, mice in the study had about a one-grade improvement in cataract severity after 4 weeks of treatment. Science DOI: 10.1126/science.aad7400 It has been recently shown that activation of a macrophage toll-like receptor (TLR) by microbial antigens induces synthesis of 25-hydroxycholesterol, and that this oxysterol potently suppresses IgA production.
Biochem/physiol Actions25-Hydroxycholesterol is a side-chain oxysterol that reportedly triggers activation of a number of cholesterol molecules. This triggers their movement from cell membrane to the endoplasmic reticulum (ER). 25-Hydroxycholesterol affects the immune system and has a key role in the pathogenesis of atherosclerosis.
storageStore at -20°C
Purification Methods25-Hydroxycholesterol forms colourless needles from MeOH [Schwartz Tetrahedron Lett 22 4655 1981]. The 3acetoxy derivative has m 142-142.8o (from Me2CO) and [] D -40.4o (c 2, CHCl3). The 3,25-diacetoxy derivative has m 119-120.5o (from MeOH) and [] 25D -35.5o (CHCl3). [Dauben & Bradlow J Am Chem Soc 72 4248 1950, Ryer et al. J Am Chem Soc 72 4247 1950, Beilstein 6 IV 6437.]
References[1] DICZFALUSY U. On the formation and possible biological role of 25-hydroxycholesterol[J]. Biochimie, 2013, 95 3: Pages 455-460. DOI:10.1016/j.biochi.2012.06.016
[2] JEFFREY G. MCDONALD  David W R. Editorial: 25-Hydroxycholesterol: a new life in immunology[J]. Journal of Leukocyte Biology, 2010, 88 6: 1071-1072. DOI:10.1189/jlb.0710418
25-HYDROXYCHOLESTEROL Preparation Products And Raw materials
Tag:25-HYDROXYCHOLESTEROL(2140-46-7) Related Product Information
7BETA-HYDROXYCHOLESTEROL Lovastatin ML335 FILIPIN III Fluvastatin sodium salt 7-KETOCHOLESTEROL 5-CHOLESTEN-3-BETA, 7-ALPHA-DIOL CHOLESTENONE(RG) JC 40 25-HYDROXYCHOLESTEROL 5-CHOLESTENE (20S)-25-Hydroxycholesterol 25-hydroxycholesterol 7alpha-hydroxylase 25-HYDROXYCHOLESTEROL-(26,27-3H) 7-KETO, 25-HYDROXYCHOLESTEROL, ACETATE 25-HYDROXYCHOLESTEROL 3-HEMISUCCINATE 25-HYDROXYCHOLESTEROL 3-OLEATE 5-CHOLESTEN-3-BETA, 25-DIOL 3-ACETATE

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