化合物SLV2436 T4424

Product Introduction
Bioactivity


英文名: SLV-2436

描述: SLV-2436 (SEL201-88) 是一种高效且 ATP 竞争性的MNK1和MNK2抑制剂，IC50分别为 10.8 和 5.4 nM。

细胞实验: Western blot analysis. Cells were treated with dasatinib, imatinib, or SEL201 at the indicated times, and pellets were harvested to obtain protein extracts. Briefly, cell pellets were lysed in RIPA buffer (50 mM Tris-HCl, pH 8.0, with 150 mM sodium chloride, 1.0% Igepal CA-630 [NP-40], 0.5% sodium deoxycholate, and 0.1% SDS). After sonication, cell lysates were centrifuged at 15,871 g for 15 minutes. The supernatants were collected, and protein concentrations were quantified. Equal amounts of protein were loaded and separated on a 10% SDS-PAGE. After transferring to a nitrocellulose membrane (Bio-Rad), 5% milk/TBS was used to block for 1 hour, and then probed for target antibodies overnight at 4°C. After incubation with HRP-conjugated secondary antibodies for 1 hour at room temperature, the signals of targeted protein were developed with chemiluminescence substrate ECL Western blotting detection reagent.

动物实验: All animals were handled in strict accordance with the good animal practice and maintained according to the standards of pathogen-free conditions. The pharmacokinetic profile of SEL201 was assessed in 6-week-old female CD-1 mice (3 animals per time point). SEL201 was freshly dissolved in DMSO and then diluted in Captisol (Ligand) for administration with a volume of 10 μl per 1 g of body weight via the oral (p.o.; 5 mg/kg) or i.v. (2 mg/kg) route. Animals were sacrificed at 8 time points (5, 15, and 30 minutes and 1, 2, 4, 6, and 24 hours) and blood samples harvested. Plasma samples were collected and stored at –80°C for further analysis. To evaluate the pharmacodynamic properties of SEL201, 10- to 16-week-old male C57BL/6 mice (stock 000664, The Jackson Laboratory) were divided into a control group and 3 dosing groups. Animals were given either vehicle (DMSO + N,N-Dimethylacetamide + Captisol) or SEL201 at 10-, 25-, and 50-mg/kg doses (freshly dissolved). Drugs were administered p.o. in a volume of 10 μl per 1 g of body weight. Each animal received a total of 5 doses with the twice-daily schedule (i.e., every 12 hours). Body weight was assessed once daily. Six animals per experimental group supported sample collection at 2-time points (i.e., 4 hours and 24 hours) after the last, fifth administration, with 3 animals per time point. Plasma samples were collected and stored at –80°C for further analysis. For safety assessment of SEL201, 7- to 8-week-old tumor-bearing female Hsd: Athymic Nude-Foxn1nu mice (strain code 069, Envigo) were used. Before use, SEL201 was freshly dissolved, and doses of 50 mg/kg were administered twice daily p.o. in a volume of 10 μl per 1 g of body weight. Body weight was assessed every day. At the end of the experiment on day 37, mice were anesthetized and blood samples for total cell counts and biochemistry were obtained.

体外活性: In vitro kinase assays, using recombinant MNK1 and MNK2 protein and increasing concentrations of the SEL201 show that SEL201 is highly potent, with an IC50 of 10.8 ?nM and 5.4 ?nM for MNK1 and MNK2, respectively. To confirm the kinome selectivity of SEL201, the broad KINOMEscan (DiscoverX) competitive binding assay at 1 μM is performed, which included 450 distinct kinases (32). The binding profile for SEL201 is observed, which was significantly concentrated in the CAMK family of kinases that comprises MNK1 and MNK2.

体内活性: To investigate the pharmacodynamic properties of SEL201, 5 consecutive oral doses of 10, 25, and 50 mg/kg were administered to mice every 12 hours (twice-daily schedule). At the 10 mg/kg twice-daily dosage, 4 hours after the fifth administration, we determined a low plasma concentration of 125 ng/ml SEL201. However, dosing at 25 and 50 mg/kg twice daily, equivalent to 50 and 100 mg/kg/d of SEL201, yielded substantially increased dose-dependent plasma exposure, reaching an average level of 1,299 ng/ml and 2,075 ng/ml, respectively. At the 24-hour time point, SEL201 was still detectable in the plasma, with dose-dependent concentrations of 9, 73, and 124 ng/ml in the 10, 25, and 50 mg/kg twice-daily treatment groups. Oral (p.o.) administration of SEL201 at the dosage of 50 mg/kg twice daily, that is, 100 mg/kg/d, for 37 days was well tolerated in mice. Furthermore, 37 days of consecutive administration of SEL201, at the dosage of 100 mg/kg/d, did not result in any overt clinical signs of toxicity. A blood chemistry panel was performed, including hematological and biochemical parameters, at the study endpoint and confirmed that multiple dosings with SEL201 at 100 mg/kg/d is safe. Nevertheless, SEL201 showed very good oral bioavailability, with a maximum plasma concentration of 1,078 ng/ml reached 0.25 hours after p.o. administration.

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 50 mg/mL (142.53 mM)


关键字: MAP kinase interacting kinase | inhibit | SEL201 | MAPK interacting kinase | Mitogen activated protein kinase interacting kinase | SLV-2436 | Inhibitor | SEL 201 | MNK | SLV2436

相关产品: DS12881479 | CGP 57380 | QL-X-138 | QL-X-138 HCl | Tomivosertib | AZ7550 | ETC-206 | MK2-IN-3 hydrate | EB1

相关库: Bioactive Compounds Library Max | Anti-Ovarian Cancer Compound Library | Inhibitor Library | Kinase Inhibitor Library | Anti-Obesity Compound Library | Anti-Cancer Active Compound Library | Apoptosis Compound Library | Target-Focused Phenotypic Screening Library | MAPK Inhibitor Library | NO PAINS Compound Library

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