(S)-Equol
Discontinued Product
Chemical Name: (3S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol
Purity: ≥98%
Biological Activity
(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
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.
Background References
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Equol Attenuates Atherosclerosis in Apolipoprotein E-Deficient Mice by Inhibiting Endoplasmic Reticulum Stress via Activation of Nrf2 in Endothelial Cells.
Zhang T, Hu Q, Shi L et al.
PLoS ONE. -
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.
Muthyala et al.
Bioorg.Med.Chem., 2004;12:1559 -
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.
Setchell et al.
Am.J.Clin.Nutr., 2005;81:1079 -
Tyrosine phosphorylation regulates ERβ ubiquitination, protein turnover, and inhibition of breast cancer.
Yuan et al.
Oncotarget., 2016;7:42585
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