GSK1324726A
Based on 6 publication(s) in Google Scholar
GSK1324726A is a novel, potent, and selective inhibitor of BET proteins with high affinity to BRD2 (IC50=41 nM), BRD3 (IC50=31 nM), and BRD4 (IC50=22 nM).
Para uso exclusivo en investigación. No vendemos a pacientes.
- Pureza: 99.92%
- No. CAS: 1300031-52-0
- Fòrmula: C25H23ClN2O3
- Peso molecular:434.91
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Almacenamiento:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Protocolo
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Publications Citing Use of MedChemExpress (MCE) GSK1324726A
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Actividad biológica
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BRD4 BD2 |
BRD4 |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| LOUCY | EC50 |
0.7 μM
Compound: 4; GSK1324726A
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Cytotoxicity against human Loucy cells assessed as reduction in cell viability after 5 days by CellTiter-Glo assay
Cytotoxicity against human Loucy cells assessed as reduction in cell viability after 5 days by CellTiter-Glo assay
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[PMID: 29170024] |
A panel of neuroblastoma cell lines are treated with GSK1324726A (I-BET726), and observed potent growth inhibition and cytotoxicity in most cell lines irrespective of MYCN copy number or expression level. All neuroblastoma cell lines tested exhibit potent growth inhibition, with a median growth IC50 value (gIC50; inhibitor concentration resulting in 50% growth inhibition) equal to 75 nM[1].
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.
Chemical Information
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No. CAS 1300031-52-0
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Appearance Solid
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Peso molecular 434.91
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Fòrmula C25H23ClN2O3
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Color White to light yellow
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SMILES
ClC1=CC=C(N[C@H]2C3=C(C=CC(C4=CC=C(C(O)=O)C=C4)=C3)N(C(C)=O)[C@@H](C)C2)C=C1
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Synonyms
I-BET726
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (6)
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Journal Impact Factor
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Most Recent
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Proc Natl Acad Sci U S A
2019 Feb 19;116(8):2961-2966. PMID: 30718431 -
J Med Chem
Impact of Target Warhead and Linkage Vector on Inducing Protein Degradation: Comparison of Bromodomain and Extra-Terminal (BET) Degraders Derived from Triazolodiazepine (JQ1) and Tetrahydroquinoline (I-BET726) BET Inhibitor Scaffolds. [Abstract]2018 Jan 25;61(2):504-513. PMID: 28595007
GSK1324726A purchased from MedChemExpress. Usage Cited in: J Med Chem. 2018 Jan 25;61(2):504-513. [Abstract]
Protein degradation profile of VHL-based BET degraders. Sub-confluent HeLa cells are treated for 24 h with varying concentration of test compounds JQ1(Compound 3), I-BET726 (Compound 4). Protein extracts are separated by SDS-PAGE and then analyzed by Western blot. Proteins Brd4, Brd3, Brd2 and β-actin are probed for JQ1and I-BET726 with specific antibodies.
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Bioorg Med Chem
Exploiting a water network to achieve enthalpy-driven, bromodomain-selective BET inhibitors. [Abstract]2018 Jan 1;26(1):25-36. PMID: 29170024 -
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Solvente y solubilidad
DMSO : ≥ 46 mg/mL (105.77 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
* "≥" means soluble, but saturation unknown.
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.
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: ≥ 2.5 mg/mL (5.75 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.
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
Cell line growth-death assays are performed with a few modifications. Briefly, cells are seeded into 384-well or 96-well plates at a density optimized for 6 days of growth. The following day, T0 measurements are taken using CellTiter-Glo, CellTiter-Fluor, or CyQuant Direct. Plates are read on an Envision, Safire 2, or SpectraMax Gemini EM plate reader. Remaining plates are treated with DMSO or a titration of GSK1324726A. Cells are incubated for 6 days and developed. Results are plotted as a percentage of the T0 value, normalized to 100%, versus concentration of compound. A 4-parameter equation is used to generate concentration response curves. Growth IC50 (gIC50) values are calculated at the mid-point of the growth window (between DMSO and T0 values). Ymin-T0 values are calculated by subtracting the T0 value (100%) from the Ymin value on the curve, and are a measure of net population cell growth or death[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice[1]
CHP-212 (1×107) or SK-N-AS (5×106) cells in 100% matrigel are implanted subcutaneously into the right flank of approximately 9 week old female nude (Crl:CD-1-Foxn1 nu) mice. Tumors are measured with calipers and randomized using stratified sampling according to tumor size into treatment groups of 10 mice. GSK1324726A in vehicle or vehicle alone is administered orally by individual body weight at 10mls/kg. Mice are weighed and tumors are measured with calipers twice weekly, and mice are observed daily for any adverse treatment affects. Mice are euthanized using CO2 inhalation according to AVMA guidelines after two consecutive tumor measurements greater than 2500mm3, or if body weight loss greater than 20% is observed. For mouse pharmacodynamic studies, mice are euthanized as described above. Tumors are harvested from euthanized mice and placed in RNAlater for RNA isolation. Blood is collected after euthanasia via cardiac puncture.
Rats[2]
Male CD rats (253-283 g) are surgically prepared with implanted cannulae in the femoral vein (for GSK1324726A administration) and jugular vein (for blood sampling). Each rat receives Duphacillin (100 mg/kg s.c.) and Carprofen (7.5 mg/kg s.c.) as a pre-operative antibiotic and analgesic respectively. Each rat is allowed to recover for at least 2 days prior to dosing. Rats have free access to food and water throughout. Rat PK studies are conducted as a crossover design over 2 dosing occasions, with 3 days between dose administrations. Serial blood samples are taken (via indwelling jugular cannula) up to 26 h post dose administration on both dosing occasions. On study day 1, n=3 male rats each receives a 1 h intravenous infusion of GSK1324726A formulated in DMSO and 10% (w/v) KleptoseTM in saline (2%:98%) at a concentration of 0.2 mg/mL and the dose is filtered using a ca. 0.2 μm syringe filter unit. GSK1324726A is administered as a 1 h i.v. infusion at 5 mL/kg/h to achieve a target dose of 1 mg/kg. On study day 2, the same three rats each receives an oral administration of GSK1324726A suspended in 3% Pharmacoat 603/0.2% Sodium Lauryl Sulphate (w/v) aq. at a concentration of 0.6 mg/mL administered by gavage at 5 mL/kg to achieve a target dose of 3 mg/kg. At the end of the study the rats are euthanised by administration of sodium pentobarbital through the jugular vein cannula.
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 (281 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]. Wyce A, et al. BET inhibition silences expression of MYCN and BCL2 and induces cytotoxicity in neuroblastoma tumor models. PLoS One. 2013 Aug 23;8(8):e72967. [Content Brief]
[2]. Gosmini R, et al. The discovery of I-BET726 (GSK1324726A), a potent tetrahydroquinoline ApoA1 up-regulator and selective BET bromodomain inhibitor. J Med Chem. 2014 Oct 9;57(19):8111-31. [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 | 2.2993 mL | 11.4966 mL | 22.9933 mL | 57.4832 mL |
| 5 mM | 0.4599 mL | 2.2993 mL | 4.5987 mL | 11.4966 mL | |
| 10 mM | 0.2299 mL | 1.1497 mL | 2.2993 mL | 5.7483 mL | |
| 15 mM | 0.1533 mL | 0.7664 mL | 1.5329 mL | 3.8322 mL | |
| 20 mM | 0.1150 mL | 0.5748 mL | 1.1497 mL | 2.8742 mL | |
| 25 mM | 0.0920 mL | 0.4599 mL | 0.9197 mL | 2.2993 mL | |
| 30 mM | 0.0766 mL | 0.3832 mL | 0.7664 mL | 1.9161 mL | |
| 40 mM | 0.0575 mL | 0.2874 mL | 0.5748 mL | 1.4371 mL | |
| 50 mM | 0.0460 mL | 0.2299 mL | 0.4599 mL | 1.1497 mL | |
| 60 mM | 0.0383 mL | 0.1916 mL | 0.3832 mL | 0.9581 mL | |
| 80 mM | 0.0287 mL | 0.1437 mL | 0.2874 mL | 0.7185 mL | |
| 100 mM | 0.0230 mL | 0.1150 mL | 0.2299 mL | 0.5748 mL |
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