2. Cell Cycle/DNA Damage
  3. Nucleoside Antimetabolite/Analog
  4. Rabacfosadine

Rabacfosadine  (Synonyms: GS-9219; VDC-1101)

目录号: HY-13640 纯度: 99.26%
COA 产品使用指南

摩尔计算器

Rabacfosadine (GS-9219) 是核苷类似物 PMEG 的新型前体，用作优先靶向淋巴细胞的细胞毒性剂。

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Rabacfosadine Chemical Structure

Rabacfosadine Chemical Structure

CAS No. : 859209-74-8

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Other Forms of Rabacfosadine:

Rabacfosadine 相关抗体

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

Rabacfosadine (GS-9219), a novel proagent of the nucleotide analogue PMEG, is designed as a cytotoxic agent that preferentially targets lymphoid cells.

细胞效力
(Cellular Effect)
Cell Line Type Value Description References
CCRF-CEM IC50
0.48 μM
Compound: 2, GS-9219
Antiproliferative activity against human CCRF-CEM after 72 hrs by XTT assay
Antiproliferative activity against human CCRF-CEM after 72 hrs by XTT assay
[PMID: 21664011]
HeLa S3 IC50
2.15 μM
Compound: 2, GS-9219
Antiproliferative activity against human HeLaS3 after 72 hrs by XTT assay
Antiproliferative activity against human HeLaS3 after 72 hrs by XTT assay
[PMID: 21664011]
HL-60 IC50
0.78 μM
Compound: 2, GS-9219
Antiproliferative activity against human HL60 after 72 hrs by XTT assay
Antiproliferative activity against human HL60 after 72 hrs by XTT assay
[PMID: 21664011]
体外研究
(In Vitro)

In lymphocytes, Rabacfosadine (GS-9219) is converted to its active metabolite, 9-(2-phosphonylmethoxyethyl)guanine (PMEG) diphosphate, via enzymatic hydrolysis, deamination, and phosphorylation. GS-9219 has substantial antiproliferative activity against activated lymphocytes and hematopoietic tumor cell lines. The ability of Rabacfosadine to inhibit the proliferation of activated lymphocytes and of tumor cells of hematopoietic origin is investigated. Rabacfosadine inhibits the proliferation of mitogen-stimulated T and B lymphocytes with EC50 values of 135 and 42 nM, respectively, as determined by BrdUrd incorporation. To compare the activity of GS-9219 in dividing and nondividing cells, Rabacfosadine is evaluated in these populations using a metabolism-based sodium XTT assay instead of BrdUrd assays. Results from the XTT assay shows a 127-fold difference between the EC50 values of Rabacfosadine in quiescent (EC50=17.2 μM) and proliferating (EC50=135 nM) cells. These results indicate a substantial selectivity of Rabacfosadine toward actively replicating lymphoblasts[1].

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

Rabacfosadine 相关抗体:
体内研究
(In Vivo)

Rabacfosadine (RAB) has substantial single-agent activity in dogs with lymphoma, and a different mechanism of action than Doxorubicin (DOX). Open-label, multicenter prospective clinical trial. Dogs receive alternating Rabacfosadine (1.0 mg/kg IV weeks 0, 6, 12) and Doxorubicin (30 mg/m2 IV weeks 3, 9, 15). Dogs that achieved complete response (CR) are followed by monthly evaluations. Complete clinicopathological evaluation and assessment of remission and adverse event (AEs) are performed every 21 days. Acute AEs, occurring within 21 days after administration of the first dose of each agent, are compared between Rabacfosadine and Doxorubicin in 46 dogs receiving at least 1 dose of each agent[2].

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

526.53

Formula

C21H35N8O6P
CAS 号
性状

固体

颜色

Light yellow to yellow

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 6 months
-20°C 1 month
溶解性数据
细胞实验： 

DMSO 中的溶解度 : 100 mg/mL (189.92 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 1.8992 mL 9.4961 mL 18.9923 mL
5 mM 0.3798 mL 1.8992 mL 3.7985 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。-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

动物实验：

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 (4.75 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 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 (4.75 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。

    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

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）。
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]

Twenty million PHA-stimulated T cells are incubated with 10 μM[14C]GS-9219 for 24 h. Cells are washed once with tissue culture medium and twice with PBS, incubated in 80% methanol overnight, and centrifuged at 14,000 rpm for 15 min to remove denatured proteins. The methanol extracts are lyophilized and dissolved in the high-performance liquid chromatography (HPLC) loading buffer. A portion of each sample is used for scintillation counting to calculate the total pmoles, and the rest is used for HPLC analysis to calculate the ratio of metabolites. HPLC analysis is done by gradient elution using a Phenomenex Prodigy column (5 μm, ODS3 150×4 mm), where buffer A is 25 mM K2HPO4 (pH 6.0) and 5 mM Tetrabutylammonium bromide and buffer B is 25 mM K2HPO4 (pH 6.0), 70% Acetonitrile, and 5 mM Tetrabutylammonium bromide[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[2]

Dogs[2]
Dogs are given alternating doses of Rabacfosadine and Doxorubicin every 3 weeks. Rabacfosadine is administered at a dosage of 1.0 mg/kg as a 30-minute IV infusion on weeks 0, 6, and 12. Doxorubicin is administered at a dosage of 30 mg/m2 (1.0 mg/kg for dogs weighing <15 kg) as an approximately 20-minute IV infusion on weeks 3, 9, and 15. Concurrent cytotoxic chemotherapy of any kind and concurrent corticosteroids are not allowed. A CBC is performed 1 week after the first Rabacfosadine and Doxorubicin treatments (weeks 1 and 4). All dogs have a physical examination with lymph node measurements, owner history, CBC, serum biochemistry profile (SBC), and urinalysis performed at each chemotherapy visit. Thoracic radiographs are recommended at week 15 and approximately every 2 months thereafter in responding dogs. Dose delays, reductions, or both, and supportive treatment for AEs are carried out at the discretion of the attending clinician. Dogs that experienced a complete response (CR) are followed with monthly physical examinations after week 15 until relapse, when they are considered off study. Dogs that experienced partial response (PR) or stable disease (SD) at week 15 are considered off study and censored from analysis at that time. At the time of study withdrawal, dogs are eligible for additional treatment at the discretion of the attending clinician.

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

Rabacfosadine 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。-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 1.8992 mL 9.4961 mL 18.9923 mL 47.4807 mL
5 mM 0.3798 mL 1.8992 mL 3.7985 mL 9.4961 mL
10 mM 0.1899 mL 0.9496 mL 1.8992 mL 4.7481 mL
15 mM 0.1266 mL 0.6331 mL 1.2662 mL 3.1654 mL
20 mM 0.0950 mL 0.4748 mL 0.9496 mL 2.3740 mL
25 mM 0.0760 mL 0.3798 mL 0.7597 mL 1.8992 mL
30 mM 0.0633 mL 0.3165 mL 0.6331 mL 1.5827 mL
40 mM 0.0475 mL 0.2374 mL 0.4748 mL 1.1870 mL
50 mM 0.0380 mL 0.1899 mL 0.3798 mL 0.9496 mL
60 mM 0.0317 mL 0.1583 mL 0.3165 mL 0.7913 mL
80 mM 0.0237 mL 0.1187 mL 0.2374 mL 0.5935 mL
100 mM 0.0190 mL 0.0950 mL 0.1899 mL 0.4748 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:

Rabacfosadine859209-74-8GS-9219 VDC-1101GS9219GS 9219VDC1101VDC 1101VDC-1101Nucleoside Antimetabolite/AnalogInhibitorinhibitorinhibit

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