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Potent aryl hydrocarbon receptor (AhR) antagonist (IC50 = 30 nM). Exhibits no AhR agonist-like activity (at concentrations up to 100 μM). Inhibits 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)-induced AhR-dependent transcription in vitro and reduces TCDD-induced toxicity in vivo. Attenuates Th17 differentiation of naive CD4 T cells and promotes expansion of hematopoietic stem cells in vitro.
|Storage||Store at +4°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 333.39. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||3 mL||15 mL||29.99 mL|
|5 mM||0.6 mL||3 mL||6 mL|
|10 mM||0.3 mL||1.5 mL||3 mL|
|50 mM||0.06 mL||0.3 mL||0.6 mL|
References are publications that support the biological activity of the product.
Kim et al (2006) Novel compound 2-methyl-2H-pyrazole-3-carboxylic acid (2-methyl-4-o-tolylazo-phenyl)-amide (CH-223191) prevents 2,3,7,8-TCDD-induced toxicity by antagonizing the aryl hydrocarbon receptor. Mol.Pharmacol. 69 1871 PMID: 16540597
Veldhoen et al (2009) Natural agonists for aryl hydrocarbon receptor in culture medium are essential for optimal differentiation of TH17 T cells. J.Exp.Med. 206 43 PMID: 19114668
Dubrovska et al (2012) CXCR4 activation maintains a stem cell population in tamoxifen-resistant breast cancer cells through AhR signalling. Br.J.Cancer. 107 43 PMID: 22644306
Boitano et al (2010) Aryl hydrocarbon receptor antagonists promote the expansion of human hematopoietic stem cells. Science 329 1345 PMID: 20688981
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Keywords: CH 223191, CH 223191 supplier, CH223191, potent, specific, agonists, aryl, hydrocarbon, receptors, AhR, stem, cells, hematopoietic, expansion, Aryl, Hydrocarbon, Receptors, Stem, Cell, Proliferation, Other, Differentiation, Products, 3858, Tocris Bioscience
4 Citations for CH 223191
Citations are publications that use Tocris products. Selected citations for CH 223191 include:
Rao et al (2016) Effects of Cigarette Smoke Condensate on Oxidative Stress, Apoptotic Cell Death, and HIV Replication in Human Monocytic Cells. PLoS One 11 e0155791 PMID: 27203850
D'Amato et al (2015) A TDO2-AhR Signaling Axis Facilitates Anoikis Resistance and Metastasis in Triple-Negative Breast Cancer. Cancer Res 75 4651 PMID: 26363006
Liu et al (2014) Regulation of plasmacytoid dendritic cell development in mice by aryl hydrocarbon receptor. Immunol Cell Biol 92 200 PMID: 24165981
Matino et al (2015) IDO1 suppresses inhibitor development in hemophilia A treated with factor VIII. Br J Pharmacol 125 3766 PMID: 26426076
Do you know of a great paper that uses CH 223191 from Tocris? Please let us know.
Reviews for CH 223191
Average Rating: 5 (Based on 1 Review.)
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Compound purity was as described. Efficacy in assays matched previously published results.
Dissolved in DMSO, avoid freeze/thawing.
Literature in this Area
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