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About This Item
Empirical Formula (Hill Notation):
C27H40D6O2
CAS Number:
Molecular Weight:
408.69
MDL number:
NACRES:
NA.25
UNSPSC Code:
41141804
Assay:
>99% (TLC)
Form:
powder
description
cholest-5-ene-3β,25-diol-d6
assay
>99% (TLC)
form
powder
packaging
pkg of 1 × 1 mg (700053P-1mg)
manufacturer/tradename
Avanti Research™ - A Croda Brand
shipped in
dry ice
storage temp.
−20°C
General description
25-hydroxycholesterol (25HC) is synthesized from cholesterol in the presence of oxygen and enzyme cholesterol 25-hydroxylase and the conversion is dependent on nicotinamide adenine dinucleotide phosphate (NADPH) during toll-like receptor activation. 25HC is catabolized to 7α-hydroxylated sterol. 25-hydroxycholesterol-d6 is the deuterated form of 25-hydroxycholesterol.
Application
25-hydroxycholesterol-d6 has been used as an internal standard:
- in the quantification of 25-OHC in jejunum samples by liquid chromatography with tandem mass spectrometry (LC-MS-MS)
- in plasma samples by liquid chromatography-mass spectrometry analysis
- for calibration curve generation for plasma oxysterol quantification
Biochem/physiol Actions
25-hydroxycholesterol is a liver X receptor ligand. This bioactive lipid regulates immune response and macrophages production from monocytes. 25-HC serves as an antiviral effector and may have therapeutic potential. It reduces cholesterol biosynthesis by inactivating sterol regulatory element binding protein and inhibits HMG-CoA reductase (HMGCR). 25-HC may play a protective role in myocardial ischemia-reperfusion injury by inhibiting apoptosis and regulating mitogen-activated protein kinase (MAPK) pathway.
Packaging
5 mL Amber Glass Screw Cap Vial (700053P-1mg)
Legal Information
Avanti Research is a trademark of Avanti Polar Lipids, LLC
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Storage Class
11 - Combustible Solids
flash_point_f
No data available
flash_point_c
No data available
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