Neflamapimod (VX-745)

製品コードS1458 バッチS145802

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

C19H9Cl2F2N3OS
分子量 436.26 CAS No. 209410-46-8
Solubility (25°C)* 体外 DMSO 23 mg/mL (52.72 mM)
Water Insoluble
Ethanol 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.
* <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 Neflamapimod (VX-745)は、IC50が10 nMの強力かつ選択的なp38α阻害剤であり、p38βに対して22倍高い選択性を示し、p38γに対する阻害作用はありません。
in vitro Neflamapimod (VX-745) selectively inhibits p38α and p38β MAPK with IC50 of 10 nM and 220 nM, respectively, but not p38γ MAPK and a large panel of other kinases, with IC50 larger than 20 µM. In a human peripheral blood mononuclear cell (PBMC) assay, it provides IC50 of 56 and 52 nM for IL-1β and TNFα, respectively. This compound blocks IL-6 and IL-8 production induced by IL-1 and TNFα, and COX-2 synthesis mediated by LPS and IL-1β. At concentrations of 60 nM-20 µM, it inhibits IL-6 and VEGF secretion in bone marrow stromal cells (BMSCs), without affecting their viability. It also inhibits TNF-α-induced IL-6 secretion in BMSCs. Furthermore, it inhibits both multiple myeloma (MM) cell proliferation and IL-6 secretion in BMSCs triggered by adherence of MM cells to BMSCs, suggesting that VX-745 can inhibit paracrine multiple myeloma (MM) cell growth in the BM milieu and overcome cell adhesion-related drug resistance.
in vivo Neflamapimod (VX-745) is effective against adjuvant-induced arthritis (AA) in the rat with ED50 of 5 mg/kg. Histological scores for this compound in AA rats are 93% inhibition of bone resorption and 56% inhibition of inflammation. In the classical cartilage-induced arthritis model, it exhibits a dose-responsive decrease in severity score. In a type II collagen-induced arthritis (CIA) mice model, VX-745 (2.5, 5, and 10 mg/kg) has 27%, 31%, and 44% improvement in the inflammatory scores, respectively, when compared to vehicle-treated mice. In addition, histological scores show a 32-39% protection of bone and cartilage erosion by it.
特徴 A potent and selective inhibitor to p38α and p38β MAPK.

プロトコル(参考用のみ)

キナーゼアッセイ Spectrophotometric coupled-enzyme assay
Neflamapimod (VX-745) 的 IC50 值通过分光光度法偶联酶测定获得，用于抑制 p38α 和 p38β 同源蛋白。将固定浓度的酶（15 nM p38α 或 p38β）与该化合物在 DMSO 中于 30 °C 孵育 10 分钟，缓冲液为 0.1 M HEPES（pH 7.5），含 10% 甘油、10 mM MgCl2、2.5 mM 磷酸烯醇丙酮酸、200 µM NADH、150 µg/mL 丙酮酸激酶、50 µg/mL 乳酸脱氢酶和 200 µM EGF 受体肽（KRELVEPLTPSGEAPNQALLR）。反应分别通过加入 100 µM（p38α 测定）和 70 µM（p38β 测定）的 ATP 启动。通过监测 340 nm 处吸光度的降低来跟踪反应速率，IC50 值根据速率数据随该抑制剂浓度的函数关系评估得出。
細胞アッセイ 細胞株 Human bone marrow stromal cells (BMSCs) and multiple myeloma (MM) cells
濃度 60 nM - 20 μM, dissolved in DMSO.
反応時間 48 hours
実験の流れ BMSCs (5 × 104 cells/well) or MM cells (3 × 104 cells/well) are incubated in 96-well culture plates in the presence or absence of Neflamapimod (VX-745) for 48 hours at 37 °C. DNA synthesis is measured by [3H]-thymidine ([3H]TdR) uptake. Cells are pulsed with [3H]TdR (0.5 μCi/well [.0185 MBq]) during the last 8 hours of 48-hour cultures. Growth inhibition of both MM cells and BMSCs by this compound is also assessed by measuring 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) dye absorbance.
動物実験 動物モデル Type II collagen-induced arthritis (CIA) mice model (DBA/1J)
投薬量 2.5, 5, and 10 mg/kg
投与方法 Oral gavage twice daily

参考

  • #
  • https://pubmed.ncbi.nlm.nih.gov/11892915/
  • #
  • https://pubmed.ncbi.nlm.nih.gov/12393542/
  • http://pubs.acs.org/doi/abs/10.1021/ml2001455

カスタマーフィードバック

Data from [Data independently produced by , , FASEB J, 2018, doi:10.1096/fj.201801977R]

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：

Opposing roles of p38α-mediated phosphorylation and PRMT1-mediated arginine methylation in driving TDP-43 proteinopathy [ Cell Rep, 2025, 44(1):115205] PubMed: 39817908
Konjac Ceramide (kCer)-Mediated Signal Transduction of the Sema3A Pathway Promotes HaCaT Keratinocyte Differentiation [ Biology (Basel), 2022, 11(1)121] PubMed: 35053118
TPL-2 kinase induces phagosome acidification to promote macrophage killing of bacteria [ EMBO J, 2021, e106188] PubMed: 33881780
The Global Phosphorylation Landscape of SARS-CoV-2 Infection [ Cell, 2020, 182(3):685-712.e19] PubMed: 32645325
Functional Diversification of SRSF Protein Kinase to Control Ubiquitin-Dependent Neurodevelopmental Signaling [ Dev Cell, 2020, S1534-5807(20)30757-7] PubMed: 33080171
p38 MAPK signalling regulates cytokine production in IL-33 stimulated Type 2 Innate Lymphoid cells. [ Sci Rep, 2020, 10(1):3479] PubMed: 32103032
IL-33 regulates cytokine production and neutrophil recruitment via the p38 MAPK-activated kinases MK2/3 [ Immunol Cell Biol, 2019, 97(1):54-71] PubMed: 30171775
Clinically Advanced p38 Inhibitors Suppress DUX4 Expression in Cellular and Animal Models of Facioscapulohumeral Muscular Dystrophy. [ J Pharmacol Exp Ther, 2019, 370(2):219-230] PubMed: 31189728
Activating β-catenin/Pax6 axis negatively regulates osteoclastogenesis by selectively inhibiting phosphorylation of p38/MAPK [Jie Z FASEB J, 2018, 10.1096/fj.201801977R] PubMed: 30526042
Differential control of Toll-like receptor 4-induced interleukin-10 induction in macrophages and B cells reveals a role for p90 ribosomal S6 kinases. [ J Biol Chem, 2018, 293(7):2302-2317] PubMed: 29229781

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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