AS1517499

产品编号: T4476

AS1517499 是可透过血脑屏障的STAT6磷酸化抑制剂，IC50为 21 nM。

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CAS：919486-40-1

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生物活性化学信息储存和溶解度信息参考文献引用文献

产品描述

AS1517499 is a potent STAT6 inhibitor with IC50 of 21 nM

体外活性

AS1517499 shows potent STAT6 inhibition with an IC50 value of 21 nM. AS1517499 also inhibits IL-4-induced Th2 differentiation of mouse spleen T cells with an IC50 value of 2.3 nM and without influencing T-helper cell 1 (Th1) differentiation induced by IL-12. AS1517499 selectively inhibits Th2 differentiation without affecting Th1 differentiation[1]. In cultured human BSM cells, IL-13 (100 ng/mL) causes a phosphorylation of STAT6 and an upregulation of RhoA, a monomeric GTPase responsible for Ca2+ sensitization of smooth muscle contraction: both events are inhibited by co-incubation with AS1517499 (100 nM)[2] .

体内活性

In BALB/c mice that are actively sensitized and repeatedly challenged with ovalbumin antigen, an increased IL-13 level in bronchoalveolar lavage fluids and a phosphorylation of STAT6 in bronchial tissues are observed after the last antigen challenge. These mice have an augmented BSM contractility to acetylcholine together with an up-regulation of RhoA in bronchial tissues. Intraperitoneal injections of AS1517499 (10 mg/kg) 1 hour before each ovalbumin exposure almost completely inhibits both the antigen-induced up-regulation of RhoA and BSM hyperresponsiveness[2].

细胞实验

Normal human BSM cells (hBSMCs) are maintained in SmBM medium supplemented with 5% fetal bovine serum, 0.5 ng/mL human epidermal growth factor (hEGF), 5 μg/mL insulin, 2 ng/mL human fibroblast growth factor-basic (hFGFb), 50 μg/mL gentamicin, and 50 ng/mL amphotericin B. Cells are maintained at 37°C in a humidified atmosphere (5% CO2), fed every 48 to 72 hours, and passaged when cells reached 90 to 95% confluence. Then the hBSMCs (passages 7-9) are seeded in 6-well plates and 8-well chamber slides at a density of 3,500 cells/cm2 and, when 80 to 85% confluence observed, cells are cultured without serum for 24 hours before addition of recombin is ant human IL-13. AS1517499 (100 nM) or its vehicle (0.3% DMSO) is treated 30 minutes before the addition of IL-13 (100 ng/mL). In some experiments, AS1517499 is treated 0 (co-incubation), 3, or 12 hours after the addition of IL-13. In another series of experiments, a selective Rho-kinase inhibitor Y-27632 (1 μM) or its vehicle (0.3% DMSO) is also applied 15 minutes before the IL-13 application. At the indicated time after the IL-13 treatment, cells are washed with PBS, immediately collected, and disrupted with 1× SDS sample buffer (250 μL/well), and used for Western blot analyses[2] .

动物实验

Mice[2]

Cas No.

919486-40-1

分子式

C20H20ClN5O2

分子量

397.86

别名

AS1517499

参考文献

[1]Nagashima S, et al. Synthesis and evaluation of 2-{[2-(4-hydroxyphenyl)-ethyl]amino}pyrimidine-5-carboxamide derivatives as novel STAT6 inhibitors. Bioorg Med Chem. 2007 Jan 15;15(2):1044-55.[2]Am J Respir Cell Mol Biol. 2009 Nov;41(5):516-24.

储存和溶解度

DMSO:35 mg/mL
Powder: -20°C for 3 years
In solvent: -80°C for 2 years

剂量换算 AS1517499 919486-40-1

对于各种应用，安全且有效的用药剂量是很有必要的了解更多

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母液配置方法: mg 药物溶于 μL DMSO (母液浓度为 mg/mL)，如您需要配置的浓度超过该产品的溶解度，请先与我们联系。

体内配方的制备方法：取 μL DMSO 主液，加入 μL PEG300，混匀澄清，再加 μL Tween 80，混匀澄清，再加 μL ddH₂O, 混匀澄清。

备注:

要按顺序从左向右依次添加助溶剂。可配合物理方法，如涡流、超声波或热水浴使之帮助溶解。

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技术支持

在抑制剂处理说明中可以找到您可能遇到的问题的答案。主题包括如何准备储备溶液，如何存储产品以及基于细胞的测定和动物实验需要特别注意的问题。

Keywords

STAT AS-1517499 inhibit AS 1517499 AS1517499 Inhibitor 919486-40-1

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