25-Hydroxy-Cholesterol

Synonyms	(3β)-Cholest-5-ene-3,25-diol; Cholest-5-ene-3β,25-diol; 25-Hydroxy-5-cholestene-3β-ol; 5-Cholesten-3β,25-diol
IUPACName	(3S,8S,9S,10R,13R,14S,17R)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
CanonicalSMILES	CC(CCCC(C)(C)O)C1CCC2C1(CCC3C2CC=C4C3(CCC(C4)O)C)C
InChI	InChI=1S/C27H46O2/c1-18(7-6-14-25(2,3)29)22-10-11-23-21-9-8-19-17-20(28)12-15-26(19,4)24(21)13-16-27(22,23)5/h8,18,20-24,28-29H,6-7,9-17H2,1-5H3/t18-,20+,21+,22-,23+,24+,26+,27-/m1/s1
InChIKey	INBGSXNNRGWLJU-ZHHJOTBYSA-N
BoilingPoint	513.1±23.0°C (Predicted)
MeltingPoint	164-169°C
Purity	>98%
Density	1.03±0.1 g/cm3 (Predicted)
Solubility	Soluble in Chloroform (Slightly, Sonicated), DMSO (Slightly), Methanol (Slightly, Sonicated)
ShelfLife	1 Year
ExactMass	402.35
Hygroscopic	No
LightSensitive	No
PercentComposition	C 80.54%, H 11.51%, O 7.95%
Pictogram	Irritant, Health Hazard
Signal	Warning
PrecautionaryStatementCodes	P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

25-Hydroxy-Cholesterol (25-HC), an oxysterol with a pivotal role in diverse biological processes ranging from cholesterol metabolism to immune response modulation, offers a myriad of applications. Here are four key applications presented with high perplexity and burstiness:

Immunology Research: At the forefront of immunological studies, 25-Hydroxy-Cholesterol serves as a potent tool for probing its intricate involvement in regulating immune responses. Demonstrated to impede the replication of select viruses like HIV and Zika virus by modulating antiviral pathways, researchers explore the therapeutic potential of 25-HC in combating viral infections and immune-related disorders.

Cholesterol Homeostasis: Within the realm of lipid metabolism investigations, 25-Hydroxy-Cholesterol emerges as a crucial player in unraveling the intricacies of cholesterol regulation within cellular frameworks. Operating as a feedback inhibitor of cholesterol synthesis through the repression of sterol regulatory element-binding proteins (SREBPs), it stands as a valuable asset in deciphering the mechanisms underpinning cholesterol homeostasis and the development of treatments for hypercholesterolemia.

Atherosclerosis Research: Delving into the complexities of atherosclerosis, researchers harness 25-Hydroxy-Cholesterol to dissect its implications on foam cell formation and plaque progression. By scrutinizing the impact of 25-HC on macrophages and endothelial cells, scientists unveil the underlying mechanisms driving cardiovascular disease progression. This knowledge is paramount in devising innovative strategies to mitigate and combat atherosclerosis effectively.

Cancer Research: In the domain of oncological exploration, 25-Hydroxy-Cholesterol emerges as a pivotal molecule in unraveling the intricate web of cancer cell proliferation and apoptosis regulatory processes. Its role in modulating cellular functions such as lipid metabolism and immune responses renders it a significant player in cancer biology. Scientists leverage the study of 25-HC to pinpoint potential therapeutic targets and spearhead the development of groundbreaking cancer treatments.

1. Miyazaki T, Sasaki SI, Toyoda A, Wei FY, Shirai M, Morishita Y, Ikegami T, Tomizawa K, Honda A. Impaired bile acid metabolism with defectives of mitochondrial-tRNA taurine modification and bile acid taurine conjugation in the taurine depleted cats. Sci Rep. 2020 Mar 18;10(1):4915. doi: 10.1038/s41598-020-61821-6. PMID: 32188916; PMCID: PMC7080809. PubMed ID: 32188916.
2. Wnętrzak A, Chachaj-Brekiesz A, Kobierski J, Karwowska K, Petelska AD, Dynarowicz-Latka P. Unusual Behavior of the Bipolar Molecule 25-Hydroxycholesterol at the Air/Water Interface-Langmuir Monolayer Approach Complemented with Theoretical Calculations. J Phys Chem B. 2020 Feb 13;124(6):1104-1114. doi: 10.1021/acs.jpcb.9b10938. Epub 2020 Feb 3. PMID: 31972080. PubMed ID: 31972080.
3. Yalcinkaya M, Kerksiek A, Gebert K, Annema W, Sibler R, Radosavljevic S, Luetjohann D, Rohrer L, von Eckardstein A. HDL inhibits endoplasmic reticulum stress-induced apoptosis of pancreatic β-cells in vitro by activation of Smoothened. J Lipid Res. 2020 Jan 6:jlr.RA119000509. doi: 10.1194/jlr.RA119000509. Epub ahead of print. PMID: 31907205. PubMed ID: 31907205.
4. Hutchinson SA, Lianto P, Roberg-Larsen H, Battaglia S, Hughes TA, Thorne JL. ER-Negative Breast Cancer Is Highly Responsive to Cholesterol Metabolite Signalling. Nutrients. 2019 Nov 1;11(11). pii: E2618. doi: 10.3390/nu11112618. PubMed ID: 31683867.
5. Petersen D, Reinholdt P, Szomek M, Hansen SK, Poongavanam V, Dupont A, Heegaard CW, Krishnan K, Fujiwara H, Covey DF, Ory DS, Kongsted J, Wüstner D. Binding and intracellular transport of 25-hydroxycholesterol by Niemann-Pick C2 protein. Biochim Biophys Acta Biomembr. 2019 Sep 12:183063. doi: 10.1016/j.bbamem.2019.183063. [Epub ahead of print]...PubMed ID: 31521631.
6. Patrick He, Aaron Smith, Ingrid C. Gelissen, Alaina J. Ammit. The effect of statins and the synthetic LXR agonist T0901317 on expression of ABCA1 transporter protein in human lung epithelial cell lines in vitro. Pharmacological Reports. 2019 August 17. doi: 10.1016/j.pharep.2019.08.006...PubMed ID: 31136842.
7. Tajima N, Xiaoyan L, Taniguchi M, Kato N. 24S-hydroxycholesterol alters activity of large-conductance Ca2+-dependent K+ (slo1 BK) channel through intercalation into plasma membrane. Biochim Biophys Acta Mol Cell Biol Lipids. 2019 May 25. pii: S1388-1981(19)30085-X. doi: 10.1016/j.bbalip.2019.05.010. [Epub ahead of print]...PubMed ID: 30910555.
8. Rossin D, Dias IHK, Solej M, Milic I, Pitt AR, Iaia N, Scoppapietra L, Devitt A, Nano M, Degiuli M, Volante M, Caccia C, Leoni V, Griffiths HR, Spickett CM, Poli G, Biasi F. Increased production of 27-hydroxycholesterol in human colorectal cancer advanced stage: Possible contribution to cancer cell survival and infiltration. Free Radic Biol Med. 2019 Mar 23;136:35-44. doi: 10.1016/j.freeradbiomed.2019.03.020. [Epub ahead of print]...PubMed ID: 30785396.
9. Jo Y, Hamilton JS, Hwang S, Garland K, Smith GA, Su S, Fuentes I, Neelam S, Thompson BM, McDonald JG, DeBose-Boyd RA. Schnyder corneal dystrophy-associated UBIAD1 inhibits ER-associated degradation of HMG CoA reductase in mice. Elife. 2019 Feb 20;8. pii: e44396. doi: 10.7554/eLife.44396. PubMed ID: 30797576.
10. Wang X, Sun J, Zhao XE, Xu Y, Sun L, Zhu S, You J, Wang X. Stable isotope labeling derivatization coupled with magnetic dispersive solid phase extraction for the determination of hydroxyl-containing cholesterol and metabolites by in vivo microdialysis and ultra-high performance liquid chromatography tandem mass spectrometry. J Chromatogr A. 2019 Feb 14. pii: S0021-9673(19)30151-7. doi: 10.1016/j.chroma.2019.02.021. [Epub ahead of print]...PubMed ID: 30779932.