Date published: 2026-4-28

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24(S),25-Epoxycholesterol (CAS 77058-74-3)

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Application:
24(S),25-Epoxycholesterol is an endogenous agonist for the nuclear receptor LXR.
CAS Number:
77058-74-3
Molecular Weight:
400.6
Molecular Formula:
C27H44O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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24(S),25-Epoxycholesterol is a sterol derivative that plays a role in the regulation of cholesterol homeostasis. It is involved in the modulation of cellular cholesterol levels through the activation of liver X receptors (LXRs), which are nuclear receptors that control the expression of genes involved in cholesterol metabolism. It is synthesized in response to high levels of cellular cholesterol and functions as a signaling molecule to activate LXRs, leading to the upregulation of genes involved in cholesterol efflux and excretion. 24(S),25-Epoxycholesterol inhibits the processing of sterol regulatory element-binding proteins (SREBPs), which are transcription factors that regulate the expression of genes involved in cholesterol and fatty acid synthesis. Through these mechanisms, 24(S),25-Epoxycholesterol contributes to the maintenance of cholesterol homeostasis and the prevention of cholesterol accumulation in cells.


24(S),25-Epoxycholesterol (CAS 77058-74-3) References

  1. Enhanced synthesis of the oxysterol 24(S),25-epoxycholesterol in macrophages by inhibitors of 2,3-oxidosqualene:lanosterol cyclase: a novel mechanism for the attenuation of foam cell formation.  |  Rowe, AH., et al. 2003. Circ Res. 93: 717-25. PMID: 14512442
  2. Selective up-regulation of LXR-regulated genes ABCA1, ABCG1, and APOE in macrophages through increased endogenous synthesis of 24(S),25-epoxycholesterol.  |  Beyea, MM., et al. 2007. J Biol Chem. 282: 5207-16. PMID: 17186944
  3. Synthesis of the oxysterol, 24(S), 25-epoxycholesterol, parallels cholesterol production and may protect against cellular accumulation of newly-synthesized cholesterol.  |  Wong, J., et al. 2007. Lipids Health Dis. 6: 10. PMID: 17408498
  4. Endogenous 24(S),25-epoxycholesterol fine-tunes acute control of cellular cholesterol homeostasis.  |  Wong, J., et al. 2008. J Biol Chem. 283: 700-7. PMID: 17981807
  5. 24(S),25-epoxycholesterol: a messenger for cholesterol homeostasis.  |  Brown, AJ. 2009. Int J Biochem Cell Biol. 41: 744-7. PMID: 18725318
  6. Mast cell death induced by 24(S),25-epoxycholesterol.  |  Fukunaga, M., et al. 2010. Exp Cell Res. 316: 3272-81. PMID: 20854813
  7. The endogenous regulator 24(S),25-epoxycholesterol inhibits cholesterol synthesis at DHCR24 (Seladin-1).  |  Zerenturk, EJ., et al. 2012. Biochim Biophys Acta. 1821: 1269-77. PMID: 22178193
  8. The oxysterol 24(s),25-epoxycholesterol attenuates human smooth muscle-derived foam cell formation via reduced low-density lipoprotein uptake and enhanced cholesterol efflux.  |  Beyea, MM., et al. 2012. J Am Heart Assoc. 1: e000810. PMID: 23130136
  9. 24S,25-Epoxycholesterol in mouse and rat brain.  |  Wang, Y., et al. 2014. Biochem Biophys Res Commun. 449: 229-34. PMID: 24832732
  10. Upregulation of 24(R/S),25-epoxycholesterol and 27-hydroxycholesterol suppresses the proliferation and migration of gastric cancer cells.  |  Guo, F., et al. 2018. Biochem Biophys Res Commun. 504: 892-898. PMID: 30224060
  11. 24(S),25-Epoxycholesterol and cholesterol 24S-hydroxylase (CYP46A1) overexpression promote midbrain dopaminergic neurogenesis in vivo.  |  Theofilopoulos, S., et al. 2019. J Biol Chem. 294: 4169-4176. PMID: 30655290
  12. Requirement for 24(S),25-epoxycholesterol for the viability of cultured fibroblasts.  |  Sinensky, M., et al. 1987. Exp Cell Res. 171: 492-7. PMID: 3622642
  13. Selective and brain-penetrant lanosterol synthase inhibitors target glioma stem-like cells by inducing 24(S),25-epoxycholesterol production.  |  Nguyen, TP., et al. 2023. Cell Chem Biol. 30: 214-229.e18. PMID: 36758549
  14. Identification of regulatory oxysterols, 24(S),25-epoxycholesterol and 25-hydroxycholesterol, in cultured fibroblasts.  |  Saucier, SE., et al. 1985. J Biol Chem. 260: 14571-9. PMID: 4055791
  15. Hepatic uptake and metabolism of ingested 24-hydroxycholesterol and 24(S),25-epoxycholesterol.  |  Saucier, SE., et al. 1993. Biochim Biophys Acta. 1166: 115-23. PMID: 8431485

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

24(S),25-Epoxycholesterol, 1 mg

sc-471354
1 mg
$326.00