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C2773

Sigma-Aldrich

Cholesterol 5α,6α-epoxide

Sinónimos:

5α,6α-Epoxycholestan-3β-ol

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About This Item

Fórmula empírica (notación de Hill):
C27H46O2
Número de CAS:
1250-95-9
Peso molecular:
402.65
EC Number:
215-007-6
MDL number:
MFCD00046980
UNSPSC Code:
41141804
PubChem Substance ID:
24892526
NACRES:
NA.77

assay

≥80%

form

powder

functional group

epoxy

shipped in

ambient

storage temp.

room temp

SMILES string

[H][C@@]12[C@]([C@](CC[C@H](O)C3)(C)[C@@]3(O4)[C@@H]4C2)([H])CC[C@@]5(C)[C@@]1([H])CC[C@]5([H])[C@]([H])(C)CCCC(C)C

InChI

1S/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-20-15-24-27(29-24)16-19(28)11-14-26(27,5)23(20)12-13-25(21,22)4/h17-24,28H,6-16H2,1-5H3/t18-,19+,20+,21-,22+,23+,24+,25-,26-,27+/m1/s1

InChI key

PRYIJAGAEJZDBO-ZEQHCUNVSA-N

Application

Cholesterol 5α, 6α-epoxide was incorporated in culture medium of human arterial endothelial cells to study oxysterol-induced toxicity.

Biochem/physiol Actions

Cholesterol 5α, 6α-epoxide is an oxysterol, a cholesterol derivative by auto-oxidation. Oxysterols are non-genomic regulators of cholesterol homeostasis. The biological effects include protein prenylation, apoptosis, modulation of sphingolipid metabolism and platelet aggregation. Oxysterols bind to liver X receptors, modulate cholesterol efflux and decrease the uptake of cholesterol by the cells.

Preparation Note

Cholesterol 5α, 6α-epoxide yields clear, colorless solution in chloroform at 50 mg/ml.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Sigma-Aldrich

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Sigma-Aldrich

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Chisato Ishimaru et al.
Lipids, 43(4), 373-382 (2008-01-25)
This paper describes the inhibitory activities of cholesterol derivatives such as cholesterol, sodium cholesteryl sulfate, cholesteryl-5alpha, 6alpha-epoxide, cholesteryl chloride, cholesteryl bromide, and cholesteryl hemisuccinate (compounds 1-6, respectively) against DNA polymerase (pol), DNA topoisomerase (topo), and human cancer cell growth. Among
Anne Vejux et al.
Histochemistry and cell biology, 127(6), 609-624 (2007-01-18)
Oxysterols, mainly those oxidized at the C7 position, induce a complex mode of cell death exhibiting some characteristics of apoptosis associated with a rapid induction of lipid rich multilamellar cytoplasmic structures (myelin figures) observed in various pathologies including atherosclerosis. The
May-Thu Ma et al.
Neuroscience letters, 476(1), 36-41 (2010-04-13)
Increase in levels of oxysterols or cholesterol oxidation products have been detected in brain areas undergoing neuroinflammation after excitotoxic injury, and the present study was carried out to elucidate possible effects of these products on exocytosis in rat pheochromocytoma-12 (PC12)
Y C O'Callaghan et al.
Cell biology and toxicology, 17(2), 127-137 (2001-08-14)
The cytotoxicity of the oxysterols 25-hydroxycholesterol, 7beta-hydroxycholesterol, cholesterol-5alpha,6alphaepoxide, cholesterol-5beta,6beta-epoxide, 19-hydroxycholesterol and 7-ketocholesterol was examined in U937 cells, a human monocytic blood cell line. 7beta-Hydroxycholesterol, cholesterol-5beta,6beta-epoxide, and 7-ketocholesterol, at 30 micromol/L concentration, were found to be cytotoxic to this cell line
Sinéad Lordan et al.
Journal of biochemical and molecular toxicology, 21(6), 362-372 (2007-11-13)
Oxidized low-density lipoprotein contains many potentially proatherogenic molecules, including oxysterols, which have been shown to induce apoptosis in various cell lines. The aim of this study was to investigate the pathway of apoptosis induced by oxidized low-density lipoprotein and the
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