Genistein 7-O-glucuronide | CAS:38482-81-4

Genistein 7-O-glucuronide

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Description:

Genistein 7-O-glucuronide has estrogenic potency.

Targets:

Estrogenic recepter

In vitro:

Toxicology in Vitro, 2015,29(4):706-715.

Deconjugation of soy isoflavone glucuronides needed for estrogenic activity.[Reference: WebLink]

Soy isoflavones (SIF) are present in the systemic circulation as conjugated forms of which the estrogenic potency is not yet clear.
METHODS AND RESULTS:
The present study provides evidence that the major SIF glucuronide metabolites in blood, genistein-7-O-glucuronide (GG) and Genistein 7-O-glucuronide (DG), only become estrogenic after deconjugation. The estrogenic potencies of genistein (Ge), daidzein (Da), GG and DG were determined using stably transfected U2OS-ERα, U2OS-ERβ reporter gene cells and proliferation was tested in T47D-ERβ cells mimicking the ERα/ERβ ratio of healthy breast cells and inT47D breast cancer cells. In all assays applied, the estrogenic potency of the aglycones was significantly higher than that of their corresponding glucuronides. UPLC analysis revealed that in U2OS and T47D cells, 0.2–1.6% of the glucuronides were deconjugated to their corresponding aglycones. The resulting aglycone concentrations can account for the estrogenicity observed upon glucuronide exposure. Interestingly, under similar experimental conditions, rat breast tissue S9 fraction was about 30 times more potent in deconjugating these glucuronides than human breast tissue S9 fraction.
CONCLUSIONS:
Our study confirms that SIF glucuronides are not estrogenic as such, and that the small % of deconjugation in the cell is enough to explain the slight bioactivity observed for the SIF-glucuronides. Species differences in deconjugation capacity should be taken into account when basing risk–benefit assessment of these SIF for the human population on animal data.

Genistein 7-O-glucuronide Description

Source:	The seeds of Glycine max
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Storage:	Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C). Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
After receiving:	The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

Product Name	Genistein 7-O-glucuronide
Price:
CAS No.:	38482-81-4
Catalog No.:	CFN70353
Molecular Formula:	C₂₁H₁₈O₁₁
Molecular Weight:	446.4 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The seeds of Glycine max
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Download:	COA MSDS
Similar structural:	Comparison
Guestbook:

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries	Flavonoids Compound Library

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	2.2401 mL	11.2007 mL	22.4014 mL	44.8029 mL	56.0036 mL
5 mM	0.448 mL	2.2401 mL	4.4803 mL	8.9606 mL	11.2007 mL
10 mM	0.224 mL	1.1201 mL	2.2401 mL	4.4803 mL	5.6004 mL
50 mM	0.0448 mL	0.224 mL	0.448 mL	0.8961 mL	1.1201 mL
100 mM	0.0224 mL	0.112 mL	0.224 mL	0.448 mL	0.56 mL

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