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Biological Activity for (S)-Equol
(S)-Equol is a potent estrogen receptor β (ERβ) agonist (EC50 = 65 nM). Exhibits 13-fold selectivity for ERβ over ERα. Atheroprotective. Protects against t-BHP induced apoptosis and attenuates ER stress in HUVECs. Activates Nrf2 signaling in vitro and in vivo. Inhibits tumor growth. Also dihydrotestosterone antagonist in vivo.
Technical Data for (S)-Equol
|Storage||Store at -20°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.
Solubility Data for (S)-Equol
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions for (S)-Equol
The following data is based on the product molecular weight 242.27. 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||4.13 mL||20.64 mL||41.28 mL|
|5 mM||0.83 mL||4.13 mL||8.26 mL|
|10 mM||0.41 mL||2.06 mL||4.13 mL|
|50 mM||0.08 mL||0.41 mL||0.83 mL|
References for (S)-Equol
References are publications that support the biological activity of the product.
Yuan et al (2016) Tyrosine phosphorylation regulates ERβ ubiquitination, protein turnover, and inhibition of breast cancer. Oncotarget. 7 42585 PMID: 27323858
Zhang et al (2016) Equol attenuates atherosclerosis in apolipoprotein e-deficient mice by inhibiting endoplasmic reticulum stress via activation of Nrf2 in endothelial cells. PLoS One. 11 e0167020 PMID: 27907038
Muthyala et al (2004) Equol, a natural estrogenic metabolite from soy isoflavones: convenient preparation and resolution of R- and S-equols and their differing binding and biological activity through estrogen receptors alpha and beta. Bioorg.Med.Chem. 12 1559 PMID: 15018930
Setchell et al (2005) S-equol, a potent ligand for estrogen receptor beta, is the exclusive enantiomeric form of the soy isoflavone metabolite produced by human intestinal bacterial flora. Am.J.Clin.Nutr. 81 1079 PMID: 15883431
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Keywords: (S)-Equol, (S)-Equol supplier, agonist, estrogen, receptor, beta, ERb, ERbeta, ERβ, Nrf2, Estrogen, and, Related, Receptors, Androgen, Receptor, 6158, Tocris Bioscience
Citations for (S)-Equol
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Literature in this Area
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