(R)-Equol
Based on 1 Customer Validation
(R)-Equol is an agonist of both ERα and ERβ with Kis of 27.4 and 15.4 nM, respectively.
商品は「研究用試薬」です。人や動物の医療用・臨床診断用・食品用の製品ではありません。
研究用途以外に使用した場合、当社は一切の責任を負いかねます。
- 純度: 98.68%
- CAS 番号: 221054-79-1
- 分子式: C15H14O3
- 分子量:242.27
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保管条件:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
生物活性
Ki: 27.4 nM (ERα), 15.4 nM (ERβ)[1]
(R)-Equol is an agonist of both ERα and ERβ with Kis of 27.4 and 15.4 nM, respectively[1]. (R)-Equol induces a dose-dependent inhibitory effect on the invasive capacity of MDA-MB-231 cells that is significant at the highest concentration tested (50 μM). Following 48-h exposure to (R)-Equol, invasion is reduced by 62% (p=0.009, versus untreated cells) with 50 μM (R)-Equol. Matrix metalloproteinase-2 (MMP-2) expression is significantly down-regulated following treatment with 50 μM (R)-Equol (p=0.035)[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 221054-79-1
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性状 Solid
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分子量 242.27
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分子式 C15H14O3
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Color White to yellow
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SMILES
OC1=CC=C2C[C@H](C3=CC=C(O)C=C3)COC2=C1
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別名
(+)-Equol
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
溶剤 & 溶解度
DMSO : 100 mg/mL (412.76 mM; Need ultrasonic and warming; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 50% PEG400 50% Saline
Solubility: 10 mg/mL (41.28 mM); Clear solution; Need ultrasonic
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (10.32 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (10.32 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
プロトコル
Cell viability is determined using the well-established MTT assay. Cells are seeded (1.25×105 cells/mL) in 96-well plates in experimental medium (100 μL/well) and incubated for 48 h at 37°C in a 95 % air/5 % CO2 humidified atmosphere. Medium is then replaced with fresh medium containing (R)-Equol (R-equol) (2.5, 10 or 50 μM) or DMSO only as a control. Following 48-h incubation, cell viability is assessed[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
To investigate the chemopreventive effects of dietary (R)-Equol against chemically induced mammary cancer, female Sprague-Dawley rats bred in-house are fed a soy-free AIN-93G diet from birth to 35 days of age, then separated into different groups. Group 1 (Control group, n=40) continues on this diet, whereas the other group of animals are fed the AIN-93G diet supplemented with 250 mg/kg of (R)-Equol (Group 3, n=41) beginning on day 35 until killing on day 190[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
純度とドキュメンテーション
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データシート (274 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
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- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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取扱説明書 (2659 KB)
参考文献
[1]. Setchell KD, et al. 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. 2005 May;81(5):1072-9. [Content Brief]
[2]. Magee PJ, et al. Daidzein, R-(+)equol and S-(-)equol inhibit the invasion of MDA-MB-231 breast cancer cells potentially via the down-regulation of matrix metalloproteinase-2. Eur J Nutr. 2014 Feb;53(1):345-50. [Content Brief]
[3]. Brown NM, et al. The chemopreventive action of equol enantiomers in a chemically induced animal model of breast cancer. Carcinogenesis. 2010 May;31(5):886-93. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 4.1276 mL | 20.6378 mL | 41.2756 mL | 103.1890 mL |
| 5 mM | 0.8255 mL | 4.1276 mL | 8.2551 mL | 20.6378 mL | |
| 10 mM | 0.4128 mL | 2.0638 mL | 4.1276 mL | 10.3189 mL | |
| 15 mM | 0.2752 mL | 1.3759 mL | 2.7517 mL | 6.8793 mL | |
| 20 mM | 0.2064 mL | 1.0319 mL | 2.0638 mL | 5.1594 mL | |
| 25 mM | 0.1651 mL | 0.8255 mL | 1.6510 mL | 4.1276 mL | |
| 30 mM | 0.1376 mL | 0.6879 mL | 1.3759 mL | 3.4396 mL | |
| 40 mM | 0.1032 mL | 0.5159 mL | 1.0319 mL | 2.5797 mL | |
| 50 mM | 0.0826 mL | 0.4128 mL | 0.8255 mL | 2.0638 mL | |
| 60 mM | 0.0688 mL | 0.3440 mL | 0.6879 mL | 1.7198 mL | |
| 80 mM | 0.0516 mL | 0.2580 mL | 0.5159 mL | 1.2899 mL | |
| 100 mM | 0.0413 mL | 0.2064 mL | 0.4128 mL | 1.0319 mL |