Masitinib

製品コードS1064 バッチS106401

印刷

化学情報

Chemical Structure Synonyms AB1010 Storage
(From the date of receipt)		 3 years -20°C powder
1 years -80°C in solvent
化学式

C28H30N6OS
分子量 498.64 CAS No. 790299-79-5
Solubility (25°C)* 体外 DMSO 100 mg/mL (200.54 mM)
Ethanol 4 mg/mL (8.02 mM)
Water Insoluble
* <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 Masitinib is a novel inhibitor for Kit (c-Kit) and PDGFRα/β with IC50 of 200 nM and 540 nM/800 nM, weak inhibition to ABL and c-Fms. Phase 3.
in vitro Masitinib is a competitive inhibitor against ATP at concentrations ≤500 nM. Masitinib also potently inhibits recombinant PDGFR and the intracellular kinase Lyn, and to a lesser extent, fibroblast growth factor receptor 3. In contrast, Masitinib demonstrates weak inhibition of Abl and c-Fms. Masitinib more strongly inhibits degranulation, cytokine production, and bone marrow mast cell migration than imatinib. In Ba/F3 cells expressing human wild-type Kit, Masitinib inhibits SCF (stem cell factor)-induced cell proliferation with an IC50 of 150 nM, while the IC50 for inhibition of IL-3-stimulated proliferation is at approximately >10 µM. In Ba/F3 cells expressing PDGFRα, Masitinib inhibits PDGF-BB-stimulated proliferation and PDGFRα tyrosine phosphorylation with IC50 of 300 nM. Masitinib also causes inhibition of SCF-stimulated tyrosine phosphorylation of human Kit in mastocytoma cell-lines and BMMC. Masitinib inhibits Kit gain-of-function mutants, including V559D mutant and Δ27 mouse mutant with IC50 of 3 and 5 nM in Ba/F3 cells. Masitinib inhibits the cell proliferation of mastocytoma cell lines including HMC-1α155 and FMA3 with IC50 of 10 and 30 nM, respectively. [1] Masitinib inhibits cell growth and PDGFR phosphorylation in two novel ISS cell lines, which suggest that Masitinib displays activity against both primary and metastatic ISS cell line and may aid in the clinical management of ISS. [2]
in vivo Masitinib inhibits tumour growth and increases the median survival time in Δ27-expressing Ba/F3 tumor models at 30 mg/kg, without cardiotoxicity or genotoxicity. [1] Masitinib (12.5 mg/kg/d PO) increases overall TTP (time-to-tumor progression) compared with placebo in dogs. [3] The combination of masitinib/gemcitabine shows synergy in vitro on proliferation of gemcitabine-refractory cell lines Mia Paca2 and Panc1, and to a lesser extent on Mia Paca-2 pancreatic tumours in Nog璖CID mice. [4]
特徴 Potential low side-effect profile.

プロトコル(参考用のみ)

キナーゼアッセイ In vitro enzyme-linked immunoassay with recombinant protein kinases
A 96-well microtitre plateis coated overnight with 0.25 mg/ml poly(Glu,Tyr 4:1), rinsed twice with 250 µL of washing buffer (10 mM phosphate-buffered saline [pH 7.4] and 0.05% Tween 20) and dried for 2 hours at room temperature. Assays are performed at room temperature with a final volume of 50 µL in kinase buffer (10 mM MgCl2, 1 mM MnCl2, 1 mM sodium orthovanadate, 20 mM HEPES, pH 7.8) containing ATP at a concentration of at least twice the Km for each enzyme and an appropriate amount of recombinant enzyme to ensure a linear reaction rate. Reactions are initiated upon introduction of the enzyme and terminated with the addition of one reaction volume (50 μL) of 100 mM EDTA per 5 M urea mix. Plates are washed three times and incubated with 1:30,000 horseradish peroxidase-conjugated anti-phosphotyrosine monoclonal antibody, then washed three times and incubated with tetramethylbenzidine. The final reaction product is quantified by spectrophotometry at 450 nm.
細胞アッセイ 細胞株 Ba/F3 cells expressing wild-type or mutant human Kit, HMC1, HMC-1α155
濃度 0.1 nM - 10 μM
反応時間 48 hours
実験の流れ For the assay of Ba/F3 cell proliferation, microtitre plates are seeded with a total of 104 cells/well in 100 μL of RPMI 1640 medium with 10% foetal bovine serum at 37 °C. These are supplemented, or not, with either 0.1% conditioned medium from X63-IL-3 cells or 250 ng/mL murine SCF. The murine SCF, which activates Kit, is purified from the conditioned medium of SCF-producing CHO cells. Cells are grown for 48 hours at 37 °C with Masitinib and then incubated with 10 μL/well of WST-1 reagent for 3 hours at 37 °C. The amount of formazan dye formed is quantified by its absorbance at 450 nm using a scanning multiwell spectrophotometer. A blank well without cells is used as a background control for the spectrophotometer.
動物実験 動物モデル Ba/F3 Δ27 tumour model in female MBRI Nu/Nu mice
投薬量 30 mg/kg (intraperitoneal) or 10, 30, or 45 mg/kg (orally).
投与方法 Intraperitoneal or orally administered.

カスタマーフィードバック

Data from [Data independently produced by Biomaterials, 2013, 34, 9737-46]

Data from [Data independently produced by , , Mol Cell Endocrinol, 2018, 470:75-83]

Data from [Data independently produced by , , Invest Ophthalmol Vis Sci, 2016, 57(3):1201-6]

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：

Tumorigenesis driven by the BRAFV600E oncoprotein requires secondary mutations that overcome its feedback inhibition of migration and invasion [ bioRxiv, 2024, 2023.11.21.568071] PubMed: 38659913
Crosstalk with lung fibroblasts shapes the growth and therapeutic response of mesothelioma cells [ Cell Death Dis, 2023, 10.1038/s41419-023-06240-x] PubMed: 37938546
Masitinib Inhibits Hepatitis A Virus Replication [ Int J Mol Sci, 2023, 24(11)9708] PubMed: 37298659
Development of Masitinib Derivatives with Enhanced Mpro Ligand Efficiency and Reduced Cytotoxicity [ Molecules, 2023, 28(18)6643] PubMed: 37764425
Development of Masitinib Derivatives with Enhanced Mpro Ligand Efficiency and Reduced Cytotoxicity [ Molecules, 2023, 28(18)6643] PubMed: 37764425
The IDentif.AI-x pandemic readiness platform: Rapid prioritization of optimized COVID-19 combination therapy regimens [ NPJ Digit Med, 2022, 5(1):83] PubMed: 35773329
Resistance to PI3κδ inhibitors in marginal zone lymphoma can be reverted by targeting the IL-6/PDGFRA axis [ Haematologica, 2022, 10.3324/haematol.2021.279957] PubMed: 35484662
EGFR-phosphorylated GDH1 harmonizes with RSK2 to drive CREB activation and tumor metastasis in EGFR-activated lung cancer [ Cell Rep, 2022, 41(11):111827] PubMed: 36516759
Comprehensive drug response profiling and pan-omic analysis identified therapeutic candidates and prognostic biomarkers for Asian cholangiocarcinoma [ iScience, 2022, 25(10):105182] PubMed: 36248745
Evaluation of the therapeutic potential of masitinib and expression of its specific targets c-Kit, PDGFR-α, PDGFR-β, and Lyn in canine prostate cancer cell lines [ Vet Comp Oncol, 2022, 10.1111/vco.12817] PubMed: 35384248

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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