R406
(Synonyms: 6-[[5-氟-2-[(3,4,5-三甲氧基苯基)氨基]-4-嘧啶基]氨基]-2,2-二甲基-2H-吡啶并[3,2-B]-1,4-恶嗪-3(4H)-酮苯磺酸盐) 目录号 : GC16796
A potent and selective Syk inhibitor
Cas No.:841290-81-1
Sample solution is provided at 25 µL, 10mM.
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R406 is a potent SYK inhibitorSpleen tyrosine kinase (SYK) is a non-receptor tyrosine kinase mainly expressed in hematopoietic cells. It transmits signals from a variety of cell surface receptors including CD74, Fc receptor and integrins. It is crucial for adaptive immune response, and also very important for cellular adhesion, innate immune recognition, osteoclast maturation, platelet activation and vascular development. [1]
Functional abnormality of SYK has been implicated in several blood malignancies. Constitutively active SYK can transform B cells. SYK inhibition can be beneficial for patients with blood cancers and autoimmune diseases.
R406 is a potent inhibitor of IgE and IgG mediated Fc receptor activation with EC50 for degranulation of 56-64 nM. [2] R406 targets SYK and inhibits phosphorylation of SYK substrates by binding to its ATP binding pocket and competing with ATP. R406 strongly inhibits SYK kinase activity with an IC50 of 41 nM.
R406 induces apoptosis in diffuse large B-cell lymphoma cell lines. It blocks B cell receptor signaling through inhibiton of SYK autophosphorylation of Y525/Y526 and SYK-dependent phosphorylation of the B-cell linker protein. [3]
R406 can be administrated orally.
References:
[1]Mocsai A, Ruland J, Tybulewicz VL. The SYK tyrosine kinase: a crucial player in diverse biological functions. Nat Rev Immunol 2010. 10(6): 387-402.
[2]Braselmann S, Taylor V, Zhao H, et al. R406, an orally available spleen tyrosine kinase inhibitor blocks fc receptor signaling and reduces immune complex-mediated inflammation. J Pharmacol Exp Ther 2006. 319(3): 998-1008.
[3]Chen L, Monti S, Juszczynski P, et al. SYK-dependent tonic B-cell receptor signaling is a rational treatment target in diffuse large B-cell lymphoma. Blood 2008. 111(4): 2230*2237.
| Cell experiment: [1] | |
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Cell lines |
Human mast cells |
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Preparation method |
The solubility of this compound in DMSO is >10 mM. General tips for obtaining a higher concentration: Please warm the tube at 37 °C for 10 minutes and/or shake it in the ultrasonic bath for a while.Stock solution can be stored below -20°C for several months. |
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Reaction Conditions |
EC50: 56 nM, 30min |
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Applications |
Cells were incubated with R406 or DMSO for 30 min. They were then stimulated with either 0.25 to 2 mg/ml anti-IgE or anti-IgG or 2 μM ionomycin. R406 dose-dependently inhibited anti-IgE-mediated CHMC degranulation measured as tryptase release but showed no activity on ionomycin-triggered tryptase release, indicating that R406 is specific to FcR signaling and not degranulation per se. As intended, this specific inhibition also implies that R406 site of action is proximal to the receptor complex and upstream of calcium mobilization. |
| Animal experiment: [1] | |
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Animal models |
Female C57BL/6 mice |
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Dosage form |
Oral administration, 0.1, 0.5, 1 and 5 mg.kg |
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Applications |
Mice were used for the model of immune complex - mediated inflammation. The ability of R406 to inhibit the reverse passive Arthus reaction was investigated in this model. Prophylactic treatment of mice with R406 administered 1 h before immune complex challenge reduced the cutaneous reverse passive Arthus reaction by approximately 72 and 86% at 1 and 5 mg/kg, respectively, compared with the vehicle control. The net optical density reading of extravasated dye extracted after treatment with R406 at 1 or 5 mg/kg R406 was reduced from 0.14 (vehicle) to 0.04 or 0.02, respectively. |
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Other notes |
Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal. |
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References: [1] Braselmann S, Taylor V, Zhao H, et al. R406, an orally available spleen tyrosine kinase inhibitor blocks fc receptor signaling and reduces immune complex-mediated inflammation. Journal of Pharmacology and Experimental Therapeutics, 2006, 319(3): 998-1008. | |
| Cas No. | 841290-81-1 | SDF | |
| 别名 | 6-[[5-氟-2-[(3,4,5-三甲氧基苯基)氨基]-4-嘧啶基]氨基]-2,2-二甲基-2H-吡啶并[3,2-B]-1,4-恶嗪-3(4H)-酮苯磺酸盐 | ||
| 化学名 | benzenesulfonic acid;6-[[5-fluoro-2-(3,4,5-trimethoxyanilino)pyrimidin-4-yl]amino]-2,2-dimethyl-4H-pyrido[3,2-b][1,4]oxazin-3-one | ||
| Canonical SMILES | CC1(C(=O)NC2=C(O1)C=CC(=N2)NC3=NC(=NC=C3F)NC4=CC(=C(C(=C4)OC)OC)OC)C.C1=CC=C(C=C1)S(=O)(=O)O | ||
| 分子式 | C22H23FN6O5.C6H6O3S | 分子量 | 628.63 |
| 溶解度 | ≥ 31.45mg/mL in DMSO | 储存条件 | Store at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 1.5908 mL | 7.9538 mL | 15.9076 mL |
| 5 mM | 0.3182 mL | 1.5908 mL | 3.1815 mL |
| 10 mM | 0.1591 mL | 0.7954 mL | 1.5908 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Quality Control & SDS
- View current batch:
- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet