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Evofosfamide

产品编号 T3615 CAS 918633-87-1

别名: 艾伏磷酰胺, TH-302

Evofosfamide (TH-302) 是一种缺氧激活前药，在缺氧 (N2) 和常氧 (21% O2) 环境下，IC50分别为 10 μM 和 1000 μM。

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Evofosfamide, CAS 918633-87-1

规格	价格/CNY	货期
1 mg	￥ 422	现货
5 mg	￥ 1,171	现货
10 mg	￥ 1,549	现货
25 mg	￥ 2,884	现货
50 mg	￥ 4,698	现货
100 mg	￥ 7,995	待询
1 mL * 10 mM (in DMSO)	￥ 1,140	现货

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纯度: 99.3%

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生物活性

化学信息

存储 & 溶解度

参考文献

相关产品

产品描述	Evofosfamide (TH-302) is a hypoxia-activated prodrug of the cytotoxin bromo-isophosphoramide mustard (Br-IPM) conjugated with 2-nitroimidazole, with potential antineoplastic activity. When exposed to hypoxic conditions, such as those found in hypoxic tumors, the 2-nitroimidazole moiety of evofosfamide is reduced. This releases the DNA-alkylating Br-IPM moiety, which introduces intra- and inter-strand DNA crosslinks in nearby cells; the crosslinks inhibit both DNA replication and cell division and may lead to apoptosis of cells in the tumor. The inactive form of the prodrug is stable under normoxic conditions, which may limit systemic toxicity.
靶点活性	Normoxia (21% O2):1000 μM, Hypoxia (N2):10 μM
体外活性	TH-302 is selectively potent under hypoxia and stable to liver microsomes. Substitution of the chlorine with bromine on the phosphorus mustard in 3b increases the potency by 10-fold and maintaines the high hypoxic selectivity [Hypoxia cytotoxicity ratio (HCR) = 270]. In both human lung cancer H460 cells and human colon cancer HT29 cells, potent cytotoxicity of TH-302 is observed under N2. TH-302 inhibits H460 cells and HT29 cells with IC90 of 0.1 μM and 0.2 μM, respectively. [1] TH-302 shows much enhanced potency in H460 spheroids compared to H460 monolayer cells under normoxia. [2] TH-302 exhibits potent cytotoxicity to MM cells with hypoxic selectivity and dose dependency. TH-302 can induce G0/G1 cell-cycle arrest under hypoxic conditions. The effect of TH-302 on cell-cycle machinery is mediated by down-regulating cyclin D1/2/3, CDK4/6, p21cip-1, p27kip-1, and pRb expression, whereas CDK2 expression remained undisturbed. TH-302 can induce dose-dependent apoptosis in both human and murine MM cells in hypoxic conditions. TH-302-activated apoptosis is mediated through down-regulating the antiapoptotic proteins BCL-2 and BCL-xL, as well as up-regulating the expression of cleaved proapoptotic protein caspase-3, -8, and -9 and poly ADP-ribose polymerase. In contrast to the hypoxia-specific toxicity, TH-302 shows very low toxicity in normoxic condition, even at high concentrations. [3]
体内活性	TH302 inhibits primary tumor growth by 41% on day 25 after implantation, whereas TH302 plus gemcitabine (a nucleoside analog) inhibits primary tumor growth by 96% on day 25. [1] When TH-302 is administered at 6.25, 12.5, 25, or 50 mg/kg in the H460 NSCLC xenograft model QD × 5/wk × 2 wks (once a day for 5 days per week for 2 weeks) i.p., the tumor growth inhibition at Day 22 is 43%, 51%, 75%, and 89%, respectively. TH-302 at 100 mg/kg shows a decrease in blood cell counts 3 days after treatment end, but is totally recovered 7 days post-treatment. TH-302 under all tested regimens exhibits efficacy metrics ranging from 58% to 89% tumor growth inhibition. TH-302 induced cell killing is breathing oxygen concentration dependent, with the greatest cytotoxicity occurring when the tumor-bearing mice are exposed to low oxygen concentrations. Tumor growth is significantly reduced by TH-302 in animals breathing 10% O2 compared with 95% O2 breathing. After TH-302 treatment, the pimonidazole-positive area is significantly decreased at 48 hours after dosing (6.3 % in vehicle vs. 1.8 % in the TH-302 treatment group). [4]
细胞实验	Exponentially growing human H460 or HT29 cells are seeded into 60 mm notched glass plates at 3 × 105 cells per plate and grown in RPMI medium supplemented with 10% fetal bovine serum for 2 days prior to initiating treatment. On the day of the test, TH-302 stocks of known concentrations are prepared in complete medium and 2 mL of the desired stock is added to each plate. The plates are placed in either an anaerobic chamber or a standard tissue-culture incubator. The anaerobic chamber is evacuated and gassed with the anaerobic gas mixture (90% N2/5% CO2/5% H2) to create a hypoxic environment. Cells are then incubated with TH-302 for 2 hours at 37 °C. At the end of treatment, plates are removed from each vessel and washed with phosphate-buffered saline and a solution of trypsin-EDTA and then trypsinized for 5 min at 37 °C. Detached cells are neutralized with medium plus serum and spun for 5 min at 100 g. Cells are resuspended at approximately 1 × 106 cells/mL and diluted 10-fold for plating. The exact concentration of each stock is determined. Known numbers of cells are plated and placed undisturbed in an incubator for between 9 and 13 days. Colonies are fixed and stained with a solution of 95% ethanol with 0.25% crystal violet stain. Colonies of greater than 50 cells are counted, and the surviving fraction is determined. Plating efficiencies (PEs) are determined by dividing the number of colonies by the actual number of cells plated. Surviving fractions are calculated by dividing the PEs of treated cells by the PEs of untreate(Only for Reference)

别名	艾伏磷酰胺, TH-302
分子量	449.04
分子式	C9H16Br2N5O4P
CAS No.	918633-87-1

存储

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

溶解度

Ethanol: 83 mg/mL (184.8 mM)

DMSO: 83 mg/mL (184.8 mM)

H2O: 10 mg/mL (22.27 mM)

溶液配制表

可选溶剂	浓度体积质量	1 mg	5 mg	10 mg	25 mg
Ethanol / DMSO / H2O	1 mM	2.227 mL	11.1349 mL	22.2697 mL	55.6743 mL
	5 mM	0.4454 mL	2.227 mL	4.4539 mL	11.1349 mL
	10 mM	0.2227 mL	1.1135 mL	2.227 mL	5.5674 mL
	20 mM	0.1113 mL	0.5567 mL	1.1135 mL	2.7837 mL
Ethanol / DMSO	50 mM	0.0445 mL	0.2227 mL	0.4454 mL	1.1135 mL
Ethanol / DMSO	100 mM	0.0223 mL	0.1113 mL	0.2227 mL	0.5567 mL

计算器

摩尔浓度计算器

稀释计算器

配液计算器

分子量计算器

质量

浓度

容积

分子量

浓度 (起始)

容积 (起始)

浓度 (终)

容积 (终)

溶液体积

质量

配液浓度

参考文献

1. Duan JX, et al. J Med Chem, 2008, 51(8), 2412-2420. 2. Meng F, et al. Mol Cancer Ther, 2012, 11(3), 740-751. 3. Hu J, et al. Blood, 2010, 116(9), 1524-1527. 4. Sun JD, et al. Clin Cancer Res, 2012, 18(3), 758-770. 6. Zhang X, et al. MR Imaging Biomarkers to Monitor Early Response to Hypoxia-Activated Prodrug TH-302 in Pancreatic Cancer Xenografts. PLoS One. 2016 May 26;11(5):e0155289.

剂量换算

对于不同动物的给药剂量换算，您也可以参考 更多...

体内实验配液计算器

请在以下方框中输入您的动物实验信息后点击计算，可以得到母液配置方法和体内配方的制备方法：比如您的给药剂量是10 mg/kg，每只动物体重20 g，给药体积100 μL，一共给药动物10 只，您使用的配方为5% DMSO+30% PEG300+5% Tween 80+60% ddH2O。那么您的工作液浓度为2 mg/mL。

母液配置方法：2 mg 药物溶于 50 μL DMSO (母液浓度为 40 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 50 μL DMSO 主液，加入 300 μL PEG300，混匀澄清，再加 50 μL Tween 80，混匀澄清，再加 600 μL ddH2O, 混匀澄清。

第一步：请输入动物实验的基本信息

剂量

mg/kg

每只动物体重

给药体积

μL

动物数量

第二步：请输入动物体内配方组成，不同的产品配方组成不同，如有配方需求，可先联系我们提供正确的体内配方。

% DMSO+

% +

% Tween 80+

% ddH₂O

%DMSO+

计算重置

计算结果如下:

工作液浓度: mg/ml;

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。

技术支持

您可能有的问题的答案可以在抑制剂处理说明中找到，包括如何准备库存溶液，如何存储产品，以及基于细胞的分析和动物实验需要特别注意的问题。

Keywords

Evofosfamide 918633-87-1 Apoptosis Others Inhibitor 艾伏磷酰胺 TH302 inhibit TH-302 TH 302 inhibitor

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Evofosfamide

存储

溶解度

溶液配制表

计算器

输入分子式，点击计算，可计算出产品的分子量。

参考文献

相关产品

相关化合物库

剂量换算

体内实验配液计算器

技术支持

Keywords