2. GPCR/G Protein
  3. RGS Protein
  4. CCG 203769

CCG 203769 是一种选择性的 G 蛋白信号调节因子 (RGS4) 抑制剂，CCG 203769 阻断 RGS4-Gαo 蛋白-蛋白相互作用，IC50 为 17 nM。

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CCG 203769 Chemical Structure

CCG 203769 Chemical Structure

CAS No. : 410074-60-1

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规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ￥3115
In-stock
1 mg ￥1400
In-stock
5 mg ￥2400
In-stock
10 mg ￥3400
In-stock
25 mg 现货 询价
50 mg 现货 询价
100 mg   询价  
200 mg   询价  

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CCG 203769 相关抗体

Top Publications Citing Use of Products

查看 RGS Protein 亚型特异性产品:

查看所有亚型
RGS4 RGS19 RGS16 RGS8

  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

CCG 203769 is a selective G protein signaling (RGS4) inhibitor, which blocks the RGS4-Gαo protein-protein interaction in vitro with an IC50 of 17 nM.

IC50 & Target[1]

RGS4

17 nM (IC50)

RGS19

140 nM (IC50)

RGS16

6 μM (IC50)

RGS8

79 μM (IC50)

GSK3β

5.4 μM (IC50)

体外研究
(In Vitro)

CCG 203769 also displays dramatic selectivity (8- to >5000-fold) for RGS4 over other RGS proteins. CCG 203769 inhibits RGS19 with an IC50 of 140 nM (8-fold selective for RGS4) and 6 μM for RGS16 (350-fold selective for RGS4). The closely related RGS8 is very weakly inhibited (IC50>60 μM) providing >4500-fold selectivity for RGS4. CCG 203769 inhibits GSK-3β with an IC50 value of 5 μM. CCG 203769 does not inhibit the cysteine protease papain at 100 μM. CCG 203769 does not inhibit RGS7, which lacks cysteines in the RGS domain. CCG 203769 inhibits RGS/Gαo binding in an RGS-selective manner. CCG 203769 enhances Gαq-dependent cellular Ca2+ signaling in an RGS4-dependent manner. CCG 203769 also blocks the GTPase accelerating protein (GAP) activity of RGS4. In single-turnover and steady-state GTPase experiments with Gαo and Gαi1, the rate of GTP hydrolysis is strongly stimulated by RGS4, and this effect is inhibited by CCG 203769 with an IC50<1 μM[1].

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

CCG 203769 相关抗体:
体内研究
(In Vivo)

To determine whether this genetic disruption of RGS4 function can be replicated pharmacologically, CCG 203769 is tested for effects on Carbamoylcholine chloride-mediated bradycardia in conscious, unrestrained rats. Carbamoylcholine chloride (0.1 mg/kg, IP) produces a modest decrease in heart rate compared to that of a saline vehicle control. CCG 203769 (10 mg/kg, IV) has no significant effect upon heart rate when given alone. However, CCG 203769, administered immediately prior to Carbamoylcholine chloride, significantly potentiates the bradycardic effect (p < 0.05). Given the functional role of RGS4 in Parkinson’s disease models, CCG 203769 is tested in a pharmacologic model of D2 antagonist-induced bradykinesia. Raclopride administration in rats causes increased hang time in the bar test, which is rapidly reversed by doses of CCG 203769 ranging from 0.1 to 10 mg/kg. The lowest dose, 0.01 mg/kg has no effect, while 0.1 mg/kg produces a submaximal effect. The higher doses, 1 and 10 mg/kg, produce equivalent effects. Similarly, the raclopride-induced paw drag in mice is reversed by 0.1-10 mg/kg CCG 203769[1].

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

202.27

Formula

C8H14N2O2S
CAS 号
性状

液体（密度：1.179±0.06 g/cm3）

颜色

Colorless to light yellow

运输条件

Room temperature in continental US; may vary elsewhere.
储存方式
Pure form -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 : 62.5 mg/mL (308.99 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 4.9439 mL 24.7194 mL 49.4389 mL
5 mM 0.9888 mL 4.9439 mL 9.8878 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: ≥ 2.08 mg/mL (10.28 mM); 澄清溶液

    此方案可获得 ≥ 2.08 mg/mL（饱和度未知）的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 20.8 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: ≥ 2.08 mg/mL (10.28 mM); 澄清溶液

    此方案可获得 ≥ 2.08 mg/mL（饱和度未知）的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 20.8 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

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]

Steady-state hydrolysis of unlabeled GTP is measured using malachite green in a receptor-independent assay utilizing a mutant Gαi1 (R178M, A326S). These mutations facilitate the release of GDP from the enzyme making the GTP hydrolysis step rate-limiting. GTP hydrolysis is measured by mixing 6 μM mutant Gαi with 300 μM GTP in 100 μL in 96-well plates in the presence or absence of 200 nM RGS4 and CCG-203769 or DMSO (vehicle control). All assay components are diluted in a buffer comprising 50 mM HEPES at pH 7.4, 100 mM NaCl, 0.01% Lubrol, 5 mM MgCl, and 10 μg/mL BSA. The reaction is allowed to proceed for 2 h at room temperature and then is quenched with 60 μL of an HCl/malachite green dye solution. Immediately after the addition of malachite green, 10 μL of 32% w/v sodium citrate is added as a colorimetric stabilizer, followed by incubation at room temperature for 20 min. Released inorganic phosphate is measured as an increase in absorbance (A630) from the complex of phosphate with malachite green. Background control samples lacking Gα are used to determine the rate of nonenzymatic GTP hydrolysis which is subtracted[1].

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

Mice[1]
Young male (20-25 g; 8-9 weeks) C57BL/6J mice are used. Akinesia and bradykinesia are assessed 30 min after Raclopride, mice receive either DMSO or CCG-203769 (0.1-10 mg/kg, i.p.). Behavior is assessed 20 or 90 min after DMSO or CCG-203769.
Rats[1]
Adult Sprauge-Dawley rats receive CCG-203769 (10 mg/kg, i.v.) or saline (by i.v. infusion through the indwelling venous catheter over 30 s) while freely moving in their homecage. One minute later, saline or 0.1 mg/kg Carbamoylcholine chloride (i.p.) is administered. Before and after i.v. infusions, catheters are flushed with approximately 0.5 mL of heparinized saline (50 U/mL) to check catheter patency and flush treatments from the dead space in the catheter.

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

CCG 203769 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 4.9439 mL 24.7194 mL 49.4389 mL 123.5972 mL
5 mM 0.9888 mL 4.9439 mL 9.8878 mL 24.7194 mL
10 mM 0.4944 mL 2.4719 mL 4.9439 mL 12.3597 mL
15 mM 0.3296 mL 1.6480 mL 3.2959 mL 8.2398 mL
20 mM 0.2472 mL 1.2360 mL 2.4719 mL 6.1799 mL
25 mM 0.1978 mL 0.9888 mL 1.9776 mL 4.9439 mL
30 mM 0.1648 mL 0.8240 mL 1.6480 mL 4.1199 mL
40 mM 0.1236 mL 0.6180 mL 1.2360 mL 3.0899 mL
50 mM 0.0989 mL 0.4944 mL 0.9888 mL 2.4719 mL
60 mM 0.0824 mL 0.4120 mL 0.8240 mL 2.0600 mL
80 mM 0.0618 mL 0.3090 mL 0.6180 mL 1.5450 mL
100 mM 0.0494 mL 0.2472 mL 0.4944 mL 1.2360 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:

CCG 203769410074-60-1CCG203769CCG-203769RGS ProteinRegulators of G-protein SignalingRegulator of G-protein SignalingInhibitorinhibitorinhibit

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