Btk (IC50 < 0.5 nM)

Spebrutinib (CC-292) 是一种共价、高选择性、口服活性的 Btk 抑制剂，IC50 值为 0.5 nM。 Spebrutinib 对 Yes、c-Src、Brk、Lyn 和 Fyn 的 IC50 分别为 723 nM、1.729 μM、2.43 μM、4.4 μM 和 7.15 μM，表明对这些基因的抑制作用较弱。经过彻底的研究，发现 Spebrutinib 抑制 Btk 激酶的细胞 EC50 (EC50=8 nM) 与 Ramos 细胞中 Spebrutinib 剂量反应的 Btk 占据 EC50 (EC50=6 nM) 相关。此外，据观察，达到 Btk 90% 占有率所需的 Spebrutinib 浓度为 39 nM，而在 Ramos 细胞中抑制 90% Btk 活性所需的浓度为 35 nM[1]。

在不含血清的 RPMI 培养基中，细胞培养一到一个半小时。将分离的人 B 细胞与 spebrutinib 一起培养，最终浓度为 0.001、0.01、0.1 和 1 μM。将 0.1 nM–3 μM spebrutinib 溶液添加到 Ramos 细胞中。随后，将细胞与存在的化合物一起在 37°C 下孵育一小时。细胞孵育后，将其离心并重悬于 100 μL 无血清 RPMI 中。接下来，添加 5 μg/mL α-人 IgM 以刺激 BCR。将样本离心，然后用 PBS 清洗并在补充有 1:10 (v/v) PhosSTOP 磷酸酶抑制剂和 1:10 (v/v) 完全蛋白酶抑制剂的 100 μL 细胞提取缓冲液中裂解。以下抗体用于免疫印迹分析：Btk、P-Btk、微管蛋白、Syk (2712；CST)、P-PLCγ2、PLCγ2 (3871；CST) 和 Syk (2712；CST)。 Li-Cor Odyssey 扫描仪使用红外荧光检测来扫描膜[1]。

[1]. Inhibition of Btk with CC-292 provides early pharmacodynamic assessment of activity in mice and humans. J Pharmacol Exp Ther. 2013 Aug;346(2):219-28.

C28H28FN5O6S

581.615228652954

476.32635992

1360053-81-1

Spebrutinib;1202757-89-8

Solid

COCCOC1=CC=C(C=C1)NC2=NC=C(C(=N2)NC3=CC(=CC=C3)NC(=O)C=C)F.C1=CC=C(C=C1)S(=O)(=O)O

ABSXPNGWJFAPRT-UHFFFAOYSA-N

InChI=1S/C22H22FN5O3.C6H6O3S/c1-3-20(29)25-16-5-4-6-17(13-16)26-21-19(23)14-24-22(28-21)27-15-7-9-18(10-8-15)31-12-11-30-2;7-10(8,9)6-4-2-1-3-5-6/h3-10,13-14H,1,11-12H2,2H3,(H,25,29)(H2,24,26,27,28);1-5H,(H,7,8,9)

benzenesulfonic acid;N-[3-[[5-fluoro-2-[4-(2-methoxyethoxy)anilino]pyrimidin-4-yl]amino]phenyl]prop-2-enamide

AVL292; AVL-292; AVL 292; CC292; CC-292; CC 292

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

DMSO: ≥ 45 mg/mL (~106.3 mM)

Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

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Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).

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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin → 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO → 100 μLPEG300 → 200 μL castor oil → 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10： 10 : 80 (i.e. 100 μL Ethanol → 100 μL Cremophor → 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH → 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline)

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Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).

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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders

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Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

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请根据您的实验动物和给药方式选择适当的溶解配方/方案：
1、请先配制澄清的储备液(如：用DMSO配置50 或 100 mg/mL母液(储备液));
2、取适量母液，按从左到右的顺序依次添加助溶剂，澄清后再加入下一助溶剂。以 下列配方为例说明 (注意此配方只用于说明，并不一定代表此产品 的实际溶解配方):
10% DMSO → 40% PEG300 → 5% Tween-80 → 45% ddH2O (或 saline);
假设最终工作液的体积为 1 mL, 浓度为5 mg/mL: 取 100 μL 50 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀/澄清；向上述体系中加入50 μL Tween-80，混合均匀/澄清；然后继续加入450 μL ddH2O (或 saline)定容至 1 mL；
3、溶剂前显示的百分比是指该溶剂在最终溶液/工作液中的体积所占比例;
4、 如产品在配制过程中出现沉淀/析出，可通过加热(≤50℃)或超声的方式助溶;
5、为保证最佳实验结果，工作液请现配现用！
6、如不确定怎么将母液配置成体内动物实验的工作液，请查看说明书或联系我们;
7、 以上所有助溶剂都可在 Invivochem.cn网站购买。