Eprotirome
Based on 1 Customer Validation
Eprotirome (KB2115) is a liver-selective thyroid hormone receptor (TR) agonist. KB2115 has modestly higher affinity for TRβ than for TRα. Eprotirome reduces low-density lipoprotein (LDL) cholesterol concentrations. Eprotirome can be used for dyslipidemias and obesity research.
Para uso exclusivo en investigación. No vendemos a pacientes.
- Pureza: 99.71%
- No. CAS: 355129-15-6
- Fòrmula: C18H17Br2NO5
- Peso molecular:487.14
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Almacenamiento:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Protocolo
- Pureza y Documentación
- Referencias
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Help & FAQs
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Actividad biológica
Thyroid hormone receptor[1]
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| GH3 | EC50 |
0.43 nM
Compound: 1a; KB2115
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Agonist activity at thyroid hormone receptor in rat GH3 cells expressing TRE measured after 24 hrs in presence of T3 by luciferase reporter gene assay
Agonist activity at thyroid hormone receptor in rat GH3 cells expressing TRE measured after 24 hrs in presence of T3 by luciferase reporter gene assay
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[PMID: 27120257] |
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
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|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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No. CAS 355129-15-6
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Appearance Solid
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Peso molecular 487.14
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Fòrmula C18H17Br2NO5
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Color White to light yellow
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SMILES
O=C(O)CC(NC1=CC(Br)=C(OC2=CC=C(O)C(C(C)C)=C2)C(Br)=C1)=O
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Synonyms
KB2115
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Solvente y solubilidad
DMSO : 125 mg/mL (256.60 mM; Need ultrasonic; 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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.08 mg/mL (4.27 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (4.27 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
Protocolo
Twelve-week old male ob/ob mice are used in this study. A catheter is implanted into the right internal jugular vein before the hyperinsulinemic-euglycemic clamp. After recovery, mice are administered Eprotirome (0.3 mg/kg) via intraperitoneal injection for 10 days. On the day of the clamp experiment, conscious, overnight-fasted mice receive a primed (10 μCi) and constant rate intravenous infusion (0.1 μCi /min) of [3-3H] glucose to measure basal glucose turnover. After 60 to 75 minutes of labeled glucose infusion, the hyperinsulinemic-euglycemic clamp is performed with continuous infusion of insulin (12 mU/kg/min) and variable infusion of 25% glucose to maintain euglycemia (~120 mg/dL). Blood samples are collected by tail bleeding (approximately every 10 min) to measure blood glucose concentrations[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Pureza y Documentación
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Ficha de datos (273 KB)
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SDS (396 KB)
- English - EN (396 KB)
- Français - FR (396 KB)
- Deutsch - DE (396 KB)
- Norwegian - NO (396 KB)
- Español - ES (396 KB)
- Swedish - SV (396 KB)
- Italian - IT (396 KB)
- Korean - KR (396 KB)
- Portuguese - PT (396 KB)
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Instrucciones de manejo (2659 KB)
Referencias
[1]. Martagón AJ, et al. The amelioration of hepatic steatosis by thyroid hormone receptor agonists is insufficient to restore insulin sensitivity in ob/ob mice. PLoS One. 2015 Apr 7;10(4):e0122987. [Content Brief]
[2]. Rosalba Senese, et al. Thyroid hormone metabolites and analogues. Endocrine. 2019 Oct;66(1):105-114. [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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.0528 mL | 10.2640 mL | 20.5280 mL | 51.3199 mL |
| 5 mM | 0.4106 mL | 2.0528 mL | 4.1056 mL | 10.2640 mL | |
| 10 mM | 0.2053 mL | 1.0264 mL | 2.0528 mL | 5.1320 mL | |
| 15 mM | 0.1369 mL | 0.6843 mL | 1.3685 mL | 3.4213 mL | |
| 20 mM | 0.1026 mL | 0.5132 mL | 1.0264 mL | 2.5660 mL | |
| 25 mM | 0.0821 mL | 0.4106 mL | 0.8211 mL | 2.0528 mL | |
| 30 mM | 0.0684 mL | 0.3421 mL | 0.6843 mL | 1.7107 mL | |
| 40 mM | 0.0513 mL | 0.2566 mL | 0.5132 mL | 1.2830 mL | |
| 50 mM | 0.0411 mL | 0.2053 mL | 0.4106 mL | 1.0264 mL | |
| 60 mM | 0.0342 mL | 0.1711 mL | 0.3421 mL | 0.8553 mL | |
| 80 mM | 0.0257 mL | 0.1283 mL | 0.2566 mL | 0.6415 mL | |
| 100 mM | 0.0205 mL | 0.1026 mL | 0.2053 mL | 0.5132 mL |
Eprotirome Related Classifications
HY-10473 Related Classifications
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