1. Metabolic Enzyme/Protease
  2. Cytochrome P450
  3. Galeterone

Galeterone  (Synonyms: TOK-001; VN-124-1)

目录号: HY-70006 纯度: 99.90%
COA 产品使用指南

Galeterone (TOK-001) 是一种多功能的抗雄激素,是 CYP17 抑制剂,在去势抵抗性前列腺癌中,IC50 为 47 nM。

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Galeterone Chemical Structure

Galeterone Chemical Structure

CAS No. : 851983-85-2

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规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ¥900
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5 mg ¥820
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10 mg ¥1300
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50 mg ¥3700
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100 mg ¥5920
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200 mg ¥9500
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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

Galeterone (TOK-001) is a multifunctional antiandrogen and CYP17 inhibitor (IC50=47 nM) in castration resistant prostate cancer (CRPC).

IC50 & Target

IC50: 47 nM (CYP17)[1]

体外研究
(In Vitro)

Galeterone (TOK-001) affords strong CYP17 lyase inhibition, with IC50 of 47 nM[1]. Galeterone (TOK-001) is both a CYP17A1 inhibitor and androgen receptor antagonist and the similarity of these binding modes is likely the reason for this dual mechanism of action.This CYP17A1 binds abiraterone and Galeterone (TOK-001) with absorbance decreases at 402 nm and increases at 424 nm, consistent with nitrogen binding to the heme iron (type II interaction) with Kd of <100 nM[2]. When LNCaP cells are cultured in medium supplemented with charcoal-stripped serum (CSS, T<1 nM) followed by treatment with increasing concentrations of Galeterone (TOK-001), the steady-state levels of AR protein are markedly decreased (up to 84%, 15 μM Galeterone (TOK-001)). In LAPC-4 cells, abiraterone alcohol reduced AR expression to a greater extent than Galeterone (TOK-001) at concentrations greater than or equal to 1 μM. When LNCaP cells are treated with 20 μM TOK-001 for 24 h, AR mRNA levels are reduced by 38%[3].

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

体内研究
(In Vivo)

Mice inoculated with LAPC-4 tumors are treated subcutaneously with 0.15 mmol/kg of Galeterone (TOK-001) twice daily. Mice treated with TOK-001 have smaller average tumor volume on day 31 when compared to control (p= 0.0001). Galeterone (TOK-001) treatment also significantly reduces the growth rate of tumor growth compared to control (p<0.0001). Upon excision, final tumor weights are also significantly reduced in animals treated with Galeterone (TOK-001) compared to animals treated with control, and castration (p<0.05)[1].

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

Clinical Trial
分子量

388.55

Formula

C26H32N2O

CAS 号
性状

固体

颜色

White to off-white

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
溶解性数据
In Vitro: 

DMSO 中的溶解度 : 25 mg/mL (64.34 mM; 超声助溶; 吸湿的 DMSO 对产品的溶解度有显著影响,请使用新开封的 DMSO)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.5737 mL 12.8684 mL 25.7367 mL
5 mM 0.5147 mL 2.5737 mL 5.1473 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, 2 years; -20°C, 1 year。-80°C储存时,请在2年内使用, -20°C储存时,请在1年内使用。

  • 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

In Vivo:

请根据您的 实验动物和给药方式 选择适当的溶解方案。

以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液,再依次添加助溶剂:
——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议您现用现配,当天使用
以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶

  • 方案 一

    请依序添加每种溶剂: 10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (6.43 mM); 澄清溶液

    此方案可获得 ≥ 2.5 mg/mL(饱和度未知)的澄清溶液。

    1 mL 工作液为例,取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;再向上述体系中加入 50 μL Tween-80,混合均匀;然后再继续加入 450 μL 生理盐水 定容至 1 mL

    生理盐水的配制:将 0.9 g 氯化钠,溶解于 ddH₂O 并定容至 100 mL,可以得到澄清透明的生理盐水溶液。
  • 方案 二

    请依序添加每种溶剂: 10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (6.43 mM); 澄清溶液

    此方案可获得 ≥ 2.5 mg/mL(饱和度未知)的澄清溶液。

    1 mL 工作液为例,取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液 中,混合均匀。

    20% SBE-β-CD in Saline 的配制(4°C,储存一周):2 g SBE-β-CD(磺丁基醚 β-环糊精)粉末定容于 10 mL 的生理盐水中,完全溶解至澄清透明。
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
请输入您的动物体内配方组成:
%
DMSO +
+
%
Tween-80 +
%
Saline
如果您的动物是免疫缺陷鼠或者体弱鼠,建议 DMSO 中的在最后工作液体系中的占比尽量不超过 2%。
方案所需 助溶剂 包括:DMSO ,均可在 MCE 网站选购。 Tween 80,均可在 MCE 网站选购。
计算结果
工作液所需浓度 : mg/mL
储备液配制方法 : mg 药物溶于 μL  DMSO(母液浓度为 mg/mL)。
您所需的储备液浓度超过该产品的实测溶解度,以下方案仅供参考,如有需要,请与 MCE 中国技术支持联系。
动物实验体内工作液的配制方法 : 取 μL DMSO 储备液,加入 μL  μL ,混合均匀至澄清,再加 μL Tween 80,混合均匀至澄清,再加 μL 生理盐水
连续给药周期超过半月以上,请谨慎选择该方案。
请确保第一步储备液溶解至澄清状态,从左到右依次添加助溶剂。您可采用超声加热 (超声清洗仪,建议频次 20-40 kHz),涡旋吹打等方式辅助溶解。
纯度 & 产品资料

纯度: 99.90%

参考文献
Cell Assay
[3]

LNCaP cells are seeded in 24-well plates at 70% confluence a day before transfections. Cells then are transfected with plasmid DNA (0.5 μg/well) carrying pIR-AR 5′UTR-Luc (5′UTR; test) or pIRES-Luc (IRES, control) for 6 h in serum-free and antibiotic-free conditions. Transcription of both luciferase reporter genes is under the control of the CMV promoter. Lipofectamine 2000 reagent is used in all transfections according to the manufacturer's instructions. Cells are then treated with doses of Galeterone (TOK-001) (0, 10, and 20 μM) in 5% FBS/T-Medium. Luciferase reporter gene activities are measured using Luciferase Assay System from Promega at 36 h post treatment using a BMG Labtech microplate reader. Relative luciferase units are normalized to total protein and then normalized to vector control (pIR-AR 5′UTR-Luc) and the result is presented as luciferase activity. For cell proliferation studies, LNCaP cells in 96-well plate are seeded 24 h prior to drug treatment and then treated with control (mock), Galeterone (TOK-001) (10 μM), or abiraterone alcohol (10 μM) in 5% FBS/T-medium for 72 h. Cell proliferation is determined using MTS[3].

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

Animal Administration
[1]

Mice[1]
Mice inoculated with LAPC-4 tumors are treated subcutaneously with 0.15 mmol/kg of Galeterone (TOK-001) twice daily. Mice treated with TOK-001 have smaller average tumor volume on day 31 when compared to control (p=0.0001). Galeterone (TOK-001) treatment also significantly reduced the growth rate of tumor growth compared to control (p<0.0001). Upon excision, final tumor weights are also significantly reduced in animals treated with Galeterone (TOK-001) compared to animals treated with control, and castration (p<0.05).

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

参考文献

Galeterone 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, 2 years; -20°C, 1 year。-80°C储存时,请在2年内使用, -20°C储存时,请在1年内使用。

可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.5737 mL 12.8684 mL 25.7367 mL 64.3418 mL
5 mM 0.5147 mL 2.5737 mL 5.1473 mL 12.8684 mL
10 mM 0.2574 mL 1.2868 mL 2.5737 mL 6.4342 mL
15 mM 0.1716 mL 0.8579 mL 1.7158 mL 4.2895 mL
20 mM 0.1287 mL 0.6434 mL 1.2868 mL 3.2171 mL
25 mM 0.1029 mL 0.5147 mL 1.0295 mL 2.5737 mL
30 mM 0.0858 mL 0.4289 mL 0.8579 mL 2.1447 mL
40 mM 0.0643 mL 0.3217 mL 0.6434 mL 1.6085 mL
50 mM 0.0515 mL 0.2574 mL 0.5147 mL 1.2868 mL
60 mM 0.0429 mL 0.2145 mL 0.4289 mL 1.0724 mL
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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产品名称:
Galeterone
目录号:
HY-70006
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