GSK1324726A (I-BET726)

製品コードS7620 バッチS762002

印刷

化学情報

 Chemical Structure Synonyms N/A Storage
(From the date of receipt)
3 years -20°C powder
1 years -80°C in solvent
化学式

C25H23ClN2O3

分子量 434.91 CAS No. 1300031-52-0
Solubility (25°C)* 体外 DMSO 87 mg/mL (200.04 mM)
Ethanol 87 mg/mL (200.04 mM)
Water Insoluble
体内 (毎回新しく調製した物を用意してください)
Homogeneous suspension
CMC-NA
≥5mg/ml Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution
5%DMSO 40%PEG300 5%Tween80 50%ddH2O

この製剤はselleckのラボで検証済みです。上記の溶解方法がご要望を満たさない場合、selleckの営業担当までお問い合わせ頂ければ、個別の試験を行います。

2.500mg/ml (5.75mM) Taking the 1 mL working solution as an example, add 50 μL of 50 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results. 
Clear solution
5% DMSO 95% Corn oil

この製剤はselleckのラボで検証済みです。上記の溶解方法がご要望を満たさない場合、selleckの営業担当までお問い合わせ頂ければ、個別の試験を行います。

2.500mg/ml (5.75mM) Taking the 1 mL working solution as an example, add 50 μL of 50 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results. 
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

溶剤液(一定の濃度)を調合する

生物活性

製品説明 GSK1324726A (I-BET726) は、BETファミリータンパク質の高選択的阻害剤であり、BRD2、BRD3、BRD4に対するIC50はそれぞれ41 nM、31 nM、22 nMです。
in vitro In neuroblastoma cell lines, GSK1324726A (I-BET726) inhibits cell growth and induces cytotoxicity. It also modulates expression of genes involved in apoptosis, signaling, and MYC-family pathways, including the direct suppression of BCL2 and MYCN.
in vivo In the mouse SK–N-AS and CHP-212 models, GSK1324726A (I-BET726) (15 mg/kg p.o.) results in tumor growth inhibition and down-regulation of MYCN and BCL2 expression. In a mouse septic shock model, this compound (10 mg/kg i.v.) shows potent anti-inflammatory effects and prevents death of diseased animals.

プロトコル(参考用のみ)

キナーゼアッセイ Determination of BET Protein Binding Affinities to I-BET726
For determination of binding affinities to BET protein bromodomains, GSK1324726A (I-BET726) is titrated against truncates containing both BD1 and BD2 of BRD2 (10 nM), BRD3 (10 nM), and BRD4 (10 nM) in 50 mM HEPES pH7.5, 150 mM NaCl, 5% Glycerol, 1 mM DTT and 1 mM CHAPS in the presence of an Alexa 647 derivative (50 nM) of fluorescent ligand. After equilibrating for 1 h, the bromodomain protein: ligand interaction is detected using Time Resolved Fluorescence Resonance Energy Transfer (TR-FRET) following the addition of 1.5 nM europium chelate labeled anti-6His antibody. Plates are read using an Envision Plate reader (λEX = 337 nm, λEM = 615 nm, λEM = 665 nm; dual dichroic = 400 nm & 630 nm). These data are fitted to a four parameter IC50 model using Graphit data analysis software.
細胞アッセイ 細胞株 LA-N-1, Kelly, LA1-55n, BE(2)-M17, BE(2)-C, KanTS, IMR32, LA-N-2, SK-N-SH, SK-N-BE(2), CHP-134, SK-N-AS, SH-SY5Y, SK-N-FI, CHP-212, LA1-5s, SK-N-DZ cells
濃度 ~10 μM
反応時間 6 days
実験の流れ 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, following the manufacturer’s instructions. 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 (I-BET726). After incubating the cells for 6 days and developing as described above, results are plotted as a percentage of the T0 value, normalized to 100%, versus concentration of this 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.
動物実験 動物モデル Xenograft models of non-MYCN-amplified and MYCN-amplified neuroblastoma in immunocompromised mice using the SK–N-AS and CHP-212 cell lines
投薬量 15 mg/kg once daily
投与方法 p.o.

参考

  • https://pubmed.ncbi.nlm.nih.gov/24009722/
  • https://pubmed.ncbi.nlm.nih.gov/25249180/

Selleckの高級品が、幾つかの出版された研究調査結果(以下を含む)で使われた:

BET inhibition revealed varying MYC dependency mechanisms independent of gene alterations in aggressive B-cell lymphomas [ Clin Epigenetics, 2024, 16(1):185] PubMed: 39702340
Inhibition of OTUB2 suppresses colorectal cancer cell growth by regulating β-Catenin signaling [ Am J Cancer Res, 2023, 13(11):5382-5393] PubMed: 38058843
Exploration de la réponse moléculaire à l'inhibition des protéines BET dans les lymphomes B réfractaires [ HAL OPEN SCIENCE, 2023, ] PubMed: None
The epigenetic roles of BET inhibitors JQ1 and I-BET726 in regulating inflammation and treatment for experimental autoimmune encephalomyelitis [ Authorea Preprints, 2023, ] PubMed: None
BET and CDK Inhibition Reveal Differences in the Proliferation Control of Sympathetic Ganglion Neuroblasts and Adrenal Chromaffin Cells [ Cancers (Basel), 2022, 14(11)2755] PubMed: 35681734
Synergistic Anti-Tumor Effect of Combining Selective CDK7 and BRD4 Inhibition in Neuroblastoma [ Front Oncol, 2021, 11:773186] PubMed: 35198433
Isoform-specific Involvement of Brpf1 in Expansion of Adult Hematopoietic Stem and Progenitor Cells [ J Mol Cell Biol, 2020, 11;12(5):359-371] PubMed: 31565729
BORIS promotes chromatin regulatory interactions in treatment-resistant cancer cells [ Nature, 2019, 10.1038/s41586-019-1472-0] PubMed: 31391581
BRD4 Inhibition Is Synthetic Lethal with PARP Inhibitors through the Induction of Homologous Recombination Deficiency. [ Cancer Cell, 2018, 33(3):401-416] PubMed: 29533782
Epigenetic Reprogramming with Antisense Oligonucleotides Enhances the Effectiveness of Androgen Receptor Inhibition in Castration-Resistant Prostate Cancer [ Cancer Res, 2018, 78(20):5731-5740] PubMed: 30135193

長期の保管のために-20°Cの下で製品を保ってください。

人間や獣医の診断であるか治療的な使用のためにでない。

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