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22(R)-hydroxy Cholesterol

(Synonyms: 22(R)-羟基胆固醇,Narthesterol) 目录号 : GC14972

An endogenous agonist for LXRα

22(R)-hydroxy Cholesterol Chemical Structure

Cas No.:17954-98-2

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Sample solution is provided at 25 µL, 10mM.

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产品描述

EC50: 325 nM

22(R)-hydroxy cholesterol is an endogenous agonist for liver X receptors (LXRs).

The liver X receptors, LXRR and LXRα, together with the farnesoid X receptor, FXR, form a subfamily of these orphan receptors. Recently, it has been reported that LXR and FXR are hormone receptors for oxysterols and bile acids, respectively.

In vitro: Previous study found that 22(R)-hydroxycholesterol was only found in the adrenals as an intermediate in pregnenolone biosynthesis, not similar with 24(R), 25-epoxycholesterol and 20(S)-hydroxycholesterol. In addition, the hydroxyl groups of 22(R)-hydroxycholesterol as well as its analogs of 23(S)-hydroxycholesterol and 24(S)-hydroxycholesterol would all lie between 2.0-2.5 from Trp443 [1]. In another study, the ABC1 mRNA expression could be induced in an additive fashion by 22(R)-hydroxycholesterol and 9-cis-retinoic acid in cultured macrophages, indicating induction by nuclear hormone receptors of the liver X receptor and retinoid X receptor family. Moreover, the upstream promoter was induced 7-fold by the treatment of 22(R)-hydroxycholesterol when transfected into RAW macrophages [2].

In vivo: So far, there is no animal in vivo data reported.

Clinical trial: Up to now, 22(R)-hydroxy cholesterol is still in the preclinical development stage.

References:
[1] T.  A. Spencer, L. Dansu, J. S. Russel, et al. Pharmacophore analysis of the nuclear oxysterol receptor LXRα. Journal of Medicinal Chemistry 44, 886-897(2001).
[2] Costet P, Luo Y, Wang N, Tall AR.  Sterol-dependent transactivation of the ABC1 promoter by the liver X receptor/retinoid X receptor. J Biol Chem. 2000 Sep 8;275(36):28240-5.

Chemical Properties

Cas No. 17954-98-2 SDF
别名 22(R)-羟基胆固醇,Narthesterol
化学名 cholest-5-ene-3β,22R-diol
Canonical SMILES CC(C)CC[C@@H](O)[C@@H](C)C1CCC2C3CC=C4C[C@@H](O)CC[C@]4(C)C3CC[C@@]21C
分子式 C27H46O2 分子量 402.7
溶解度 ≤20mg/ml in ethanol;0.1mg/ml in DMSO;2mg/ml in dimethyl formamide 储存条件 Store at -20°C
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1 mM 2.4832 mL 12.4162 mL 24.8324 mL
5 mM 0.4966 mL 2.4832 mL 4.9665 mL
10 mM 0.2483 mL 1.2416 mL 2.4832 mL
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