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  3. Eflornithine

Eflornithine  (Synonyms: 依氟乌氨酸; DFMO; MDL71782; RMI71782; α-difluoromethylornithine)

目录号: HY-B0744 纯度: ≥98.0%
COA 产品使用指南

Eflornithine (DFMO) 是酶鸟氨酸脱羧酶的特异性不可逆抑制剂。Eflornithine 可用于研究非洲锥虫病和女性面部毛发过度生长。

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Eflornithine Chemical Structure

Eflornithine Chemical Structure

CAS No. : 70052-12-9

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Top Publications Citing Use of Products
  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

Eflornithine is a specific, irreversible inhibitor of the enzyme ornithine decarboxylase. Eflornithine is a medication for the treatment of African trypanosomiasis and excessive facial hair growth in women.

IC50 & Target

Trypanosoma

 

体内研究
(In Vivo)

Eflornithine is the only new molecule registered for the treatment of human African trypanosomiasis over the last 50 years. It is the drug used mainly as a back-up for melarsoprol refractory Trypanosoma brucei gambiense cases[1]. In subjects with excessive, unwanted facial hair, eflornithine 15% cream is superior to placebo in reducing hair growth. After 24 weeks' treatment, 58% of eflornithine and 34% of placebo subjects have at least some improvement in facial hirsutism[2]. The hair growth inhibitory activity of eflornithine is significantly enhanced when the eflornithine cream is applied onto a mouse skin area pretreated with microneedles[3]. Treatment of coarctation hypertensive rats with eflornithine results in a normalization of the contractile intensity to KCI and norepinephrine and relaxations to acetylcholine by 14 days of hypertension[4].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial
分子量

182.17

Formula

C6H12F2N2O2

CAS 号
性状

固体

颜色

White to light yellow

中文名称

依氟乌氨酸

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

溶解性数据
In Vitro: 

H2O 中的溶解度 : 83.33 mg/mL (457.43 mM; 超声助溶 (<60°C))

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 5.4894 mL 27.4469 mL 54.8938 mL
5 mM 1.0979 mL 5.4894 mL 10.9788 mL
查看完整储备液配制表

* 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, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-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。

* 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

  • 摩尔计算器

  • 稀释计算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量
=
浓度
×
体积
×
分子量 *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

动物溶解方案计算器
请输入动物实验的基本信息:

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

由于实验过程有损耗,建议您多配一只动物的量
计算结果
工作液所需浓度 : mg/mL
该产品水溶性佳,请具体参考实测 水 / PBS / Saline 中的溶解度数据。
您所需的储备液浓度超过该产品的实测溶解度,如有需要,请与 MCE 中国技术支持联系。
纯度 & 产品资料

纯度: ≥98.0%

参考文献
Animal Administration
[3]

Mice: The skin area where the hair is removed is then treated with the eflornithine hydrochloride 13.9% cream (∼50 mg per mouse per treatment) using a spatula 2 times a day in an interval of at least 8 h for a maximum period of 36 days[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

参考文献

Eflornithine 相关分类

完整储备液配制表

* 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, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-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。

可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
H2O 1 mM 5.4894 mL 27.4469 mL 54.8938 mL 137.2345 mL
5 mM 1.0979 mL 5.4894 mL 10.9788 mL 27.4469 mL
10 mM 0.5489 mL 2.7447 mL 5.4894 mL 13.7234 mL
15 mM 0.3660 mL 1.8298 mL 3.6596 mL 9.1490 mL
20 mM 0.2745 mL 1.3723 mL 2.7447 mL 6.8617 mL
25 mM 0.2196 mL 1.0979 mL 2.1958 mL 5.4894 mL
30 mM 0.1830 mL 0.9149 mL 1.8298 mL 4.5745 mL
40 mM 0.1372 mL 0.6862 mL 1.3723 mL 3.4309 mL
50 mM 0.1098 mL 0.5489 mL 1.0979 mL 2.7447 mL
60 mM 0.0915 mL 0.4574 mL 0.9149 mL 2.2872 mL
80 mM 0.0686 mL 0.3431 mL 0.6862 mL 1.7154 mL
100 mM 0.0549 mL 0.2745 mL 0.5489 mL 1.3723 mL

* 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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