2. Vitamin D Related/Nuclear Receptor Metabolic Enzyme/Protease
  3. Androgen Receptor Cytochrome P450
  4. D4-abiraterone

D4-abiraterone  (Synonyms: Δ4-Abiraterone; CB-7627; Abiraterone D4A metabolite)

目录号: HY-109619
COA 产品使用指南

摩尔计算器

D4-abiraterone 是阿比特龙的主要代谢产物。D4-abiraterone 是 CYP17A1, 3β-羟基类固醇脱氢酶 (3 βHSD) 和类固醇-5α-还原酶 ( SRD5A ) 的抑制剂，也是雄激素受体的拮抗剂。

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D4-abiraterone Chemical Structure

D4-abiraterone Chemical Structure

CAS No. : 154229-21-7

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规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ￥3080
In-stock
5 mg ￥2800
In-stock
10 mg ￥4400
In-stock
25 mg ￥8800
In-stock
50 mg   询价  
100 mg   询价  

* Please select Quantity before adding items.

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D4-abiraterone 相关抗体

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  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

D4-abiraterone is a major metabolite of abiraterone. D4-abiraterone is an inhibitor of CYP17A1, 3b-hydroxysteroid dehydrogenase (3βHSD) and steroid-5a-reductase (SRD5A) and also an antagonist of androgen receptor.

IC50 & Target

CYP17A1, 3βHSD, SRD5A, androgen receptor[1]
体外研究
(In Vitro)

D4-abiraterone (D4A ) (10 mM) nearly completely blocks conversion from D4-androstenedione (AD) to 5α-androstanedione and other 5α-reduced androgens. The affinity of D4-abiraterone for mutant (expressed in LNCaP, half-maximum inhibitory concentration (IC50=5.3 nM)) and wild type (expressed in LAPC4, IC50=7.9 nM) androgen receptor (AR) is greater than that of abiraterone (Abi) (IC50=418 and >500 nM, respectively). Compare with Abi, D4-abiraterone clearly better suppresses PSA, TMPRSS2 and FKBP5 expression in LNCAP, LAPC4 and C4-2 cell lines. D4-abiraterone also inhibits AR target gene expression in a dose-dependent manner[1].

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

D4-abiraterone 相关抗体:
体内研究
(In Vivo)

D4-abiraterone (D4A) is tenfold more potent than abiraterone (Abi) in blocking conversion from dehydroepiandrosterone (DHEA) by 3β-hydroxysteroid dehydrogenase (3βHSD) to D4-androstenedione (AD) in LNCaP and VCaP xenografts. 0.1 μM D4-abiraterone is equivalent to 1 μM Abi for blocking AD accumulation at 48 h in both LNCaP and VCaP xenografts. Progression is significantly delayed in the D4-abiraterone group compare with the Abi acetate group (P=0.011). D4-abiraterone treatment increases progression-free survival compare with Abi acetate[1].

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

347.49

Formula

C24H29NO
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

4°C, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

溶解性数据
In Vitro: 

DMSO 中的溶解度 : 50 mg/mL (143.89 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 2.8778 mL 14.3889 mL 28.7778 mL
5 mM 0.5756 mL 2.8778 mL 5.7556 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 (stored under nitrogen)。-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。

  • 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    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (7.19 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。

    以 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。
  • 方案 二

    请依序添加每种溶剂： 10% DMSO    90% Corn Oil

    Solubility: ≥ 2.5 mg/mL (7.19 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，此方案实验周期在半个月以上的动物实验酌情使用。

    以 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玉米油中，混合均匀。

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

只
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）。

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

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
参考文献
Kinase Assay
[1]

To test D4-abiraterone (D4A) as an inhibitor of 3βHSD, enzyme assays are performed. Briefly, incubations are prepared with recombinant human 3βHSD1 or 3βHSD2 (in yeast microsomes, 45 or 2.5 μg protein per incubation, respectively), D4-abiraterone (5 to 20 μM) or ethanol vehicle in 0.5 mL of potassium phosphate buffer (pH 7.4). After a pre-incubation at 37°C for 1 to 3 min, NAD+ (1 mM) is added, and the incubation is conducted at 37°C for 20 min. The reaction is stopped by addition of 1 mL ethyl acetate:isooctane (1:1), and the steroids are then extracted into the organic phase and dried. The steroids in the dried extracts are resolved by HPLC and quantitated by in-line scintillation counting[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Cell Assay
[1]

Cells are cultured in serum-free medium for 48 h and then treated with the indicated concentrations of D4-abiraterone (D4A) for 30 min. Cells are washed with 1×PBS four times and 0.9% NaCl solution twice before lysis with RIPA buffer. Intracellular radioactivity is measured with a liquid scintillation counter and normalized to the protein concentration as detected with a Multilabel counter[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[1]

Male NSG mice, 6 to 8 weeks of age are used in this study. Mice are surgically orchiectomized and implanted with a 5 mg 90-day sustained-release dehydroepiandrosterone (DHEA) pellet to mimic castration-resistant prostate cancer (CRPC) in the context of human adrenal physiology. Two days later, 107 VCaP or C4-2 cells are injected subcutaneously with matrigel. Once tumours reach 300mm3, mice are arbitrarily (but not strictly randomized) assigned to vehicle (n=9 or 10 mice for VCaP and C4-2 respectively), D4-abiraterone (D4A) (n=10 mice for both cell lines) treatment groups. D4-abiraterone (0.5 mmol per kg per day in 0.1 mL 5% benzyl alcohol and 95% safflower oil solution) is administered via 5 mL per kg intraperitoneal injection every day for up to 15 days. Control groups are administered 0.1 mL 5% benzyl alcohol and 95% safflower oil solution via intraperitoneal injection every day. Tumour volume is measured daily, and time to increase in tumour volume by 20% is determined. Mice are killed at treatment day 15 or when the tumour size is twofold greater than baseline[1].

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

D4-abiraterone 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 (stored under nitrogen)。-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
DMSO 1 mM 2.8778 mL 14.3889 mL 28.7778 mL 71.9445 mL
5 mM 0.5756 mL 2.8778 mL 5.7556 mL 14.3889 mL
10 mM 0.2878 mL 1.4389 mL 2.8778 mL 7.1945 mL
15 mM 0.1919 mL 0.9593 mL 1.9185 mL 4.7963 mL
20 mM 0.1439 mL 0.7194 mL 1.4389 mL 3.5972 mL
25 mM 0.1151 mL 0.5756 mL 1.1511 mL 2.8778 mL
30 mM 0.0959 mL 0.4796 mL 0.9593 mL 2.3982 mL
40 mM 0.0719 mL 0.3597 mL 0.7194 mL 1.7986 mL
50 mM 0.0576 mL 0.2878 mL 0.5756 mL 1.4389 mL
60 mM 0.0480 mL 0.2398 mL 0.4796 mL 1.1991 mL
80 mM 0.0360 mL 0.1799 mL 0.3597 mL 0.8993 mL
100 mM 0.0288 mL 0.1439 mL 0.2878 mL 0.7194 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.

Keywords:

D4-abiraterone154229-21-7Δ4-Abiraterone CB-7627 Abiraterone D4A metaboliteCB7627CB 7627CB-7627Androgen ReceptorCytochrome P450CYPsInhibitorinhibitorinhibit

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