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700058P

Avanti

22(R)-hydroxycholesterol

Avanti Research™ - A Croda Brand

Synonym(s):

5-cholestene-3β,22-diol; 22-hydroxycholest-5-en-3-ol

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About This Item

Empirical Formula (Hill Notation):
C27H46O2
CAS Number:
17954-98-2
Molecular Weight:
402.65
UNSPSC Code:
12352211
NACRES:
NA.25

description

cholest-5-ene-3β,22(R)-diol

Assay

>99% (TLC)

form

powder

packaging

pkg of 1 × 1 mg (700058P-1mg)
pkg of 1 × 5 mg (700058P-5mg)

manufacturer/tradename

Avanti Research™ - A Croda Brand

shipped in

dry ice

storage temp.

−20°C

InChI

1S/C27H46O2/c1-17(2)6-11-25(29)18(3)22-9-10-23-21-8-7-19-16-20(28)12-14-26(19,4)24(21)13-15-27(22,23)5/h7,17-18,20-25,28-29H,6,8-16H2,1-5H3/t18-,20-,21-,22+,23-,24-,25+,26-,27+/m0/s1

InChI key

RZPAXNJLEKLXNO-GFKLAVDKSA-N

General description

22(R)-hydroxycholesterol is a diastereomer of 22(S)-hydroxycholesterol. It is present in neonate brain.

Application

22(R)-hydroxycholesterol has been used as a liver X receptor (LXR) ligand in breast cancer cell lines. It may be used as an internal standard to spike mouse brain tissue samples for ultra-performance liquid chromatography–high resolution mass spectrometry (UPLC-ESI-HRMS) analysis.

Biochem/physiol Actions

22(R)-hydroxycholesterol (22(R)-HC) is a liver X receptor (LXR) ligand.. 22(R)-HC in combination with other oxysterols promote mesenchymal stem cell osteogenesis. It regulates cholesterol homeostasis. Low levels of 22(R)-HC is observed in Alzheimer′s disease and it may be implicated in neuroinflammation and neurodegenerative diseases. 22(R)-hydroxycholesterol also suppresses prostate tumor progression.

Packaging

5 mL Amber Glass Screw Cap Vial (700058P-1mg)
5 mL Amber Glass Screw Cap Vial (700058P-5mg)

Legal Information

Avanti Research is a trademark of Avanti Polar Lipids, LLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Combined treatment with 9-cis beta-carotene and 22R-hydroxycholesterol augments cholesterol efflux in macrophages
Mahler L, et al.
Algal research, 44, 101700-101700 (2019)
Fatemeh Hassani-Nezhad-Gashti et al.
Clinical pharmacology and therapeutics, 108(4), 856-865 (2020-04-29)
We conducted a clinical trial with 22 healthy volunteers to investigate the effects of pregnane X receptor (PXR) agonist rifampin on blood pressure (BP). The study was randomized, crossover, single-blind, and placebo-controlled. Rifampin 600 mg or placebo once daily was administered
Sophie Ayciriex et al.
Analytical and bioanalytical chemistry, 404(10), 3049-3059 (2012-09-27)
Cholesterol and oxysterols are involved as key compounds in the development of severe neurodegenerative diseases and in neuroinflammation processes. Monitoring their concentration changes under pathological conditions is of interest to get insights into the role of lipids in diseases. For
Hyunmi Kim et al.
Biochimica et biophysica acta, 1859(8), 1056-1070 (2016-05-22)
MAP kinase phosphatase (MKP)-1 plays a pivotal role in controlling MAP kinase (MAPK)-dependent (patho) physiological processes. Although MKP-1 gene expression is tightly regulated at multiple levels, the underlying mechanistic details remain largely unknown. In this study, we demonstrate that MKP-1
Jin-Sun Lee et al.
Stem cell research & therapy, 8(1), 276-276 (2017-12-07)
Oxysterols, oxygenated by-products of cholesterol biosynthesis, play roles in various physiological and pathological systems. However, the effects of oxysterols on periodontal regeneration are unknown. This study investigated the effects of the specific oxysterol combination of 22(S)-hydroxycholesterol and 20(S)-hydroxycholesterol (SS) on
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