24(S),25-Epoxycholesterol (not deuterated)
- CAS NO.：77058-74-3
- Empirical Formula: C27H44O2
- Molecular Weight: 400.64
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-06 15:14:14
What is 24(S),25-Epoxycholesterol (not deuterated)?
Description
24(S),25-epoxy Cholesterol is an oxysterol and the most abundant oxysterol in mouse ventral midbrain. It activates liver X receptors (LXRs) in the developing ventral midbrain to induce stem cell differentiation into dopaminergic neurons. 24(S),25-epoxy Cholesterol inhibits IL-6 production and degranulation of bone marrow-derived murine mast cells that express LXRβ. It inhibits the conversion of desmosterol to cholesterol by 3β-hydroxysterol Δ24-reductase (DHCR24/Seladin-1) in CHO-7 and SRD-1 cells when used at a concentration of 2.5 μM.
The Uses of 24(S),25-Epoxycholesterol (not deuterated)
(24S)-24,25-Epoxycholesterol is a derivative of 4β-Hydroxy Cholesterol (H917980), a metabolite of Cholesterol. It is formed from Cholesterol by the drug-metabolizing enzyme cytochrome P 450 3A4. A potential ligand for the nuclear receptor LXR and also a new endogenous CYP3A marker.
What are the applications of Application
24(S),25-Epoxycholesterol is an endogenous agonist for the nuclear receptor LXR.
Definition
ChEBI: A 3beta-hydroxy steroid that is desmosterol in which the double bond at position 24-25 has been oxidised to the corresponding epoxide (the 24S diastereoisomer). It is an oxysterol agonist of the liver X receptor.
References
1) Chawla et al. (2001), Nuclear receptors and lipid physiology: opening the X-files; Science, 294 1866 2) Brown et al. (2009), 24(S),25-epoxycholesterol: a messenger for cholesterol homeostasis; Int. J. Biochem. Cell Biol., 41 744 3) Theofilopoulos et al. (2013), Brain endogenous liver X receptor ligands selectively promote midbrain neurogenesis; Nature Chem. Biol., 9 126
Properties of 24(S),25-Epoxycholesterol (not deuterated)
| Melting point: | 156-157 °C |
| Boiling point: | 496.4±18.0 °C(predicted) |
| Density | 1.05 |
| storage temp. | -20°C |
| solubility | Soluble in DMSO (up to 30 mg/ml). |
| pka | 15.03±0.70(predicted) |
| form | White solid. |
| color | White |
| Stability: | Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20° for up to 2 months. |
Safety information for 24(S),25-Epoxycholesterol (not deuterated)
Computed Descriptors for 24(S),25-Epoxycholesterol (not deuterated)
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