Bisindolylmaleimide I(Synonyms: GF109203X; Go 6850)

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Bisindolylmaleimide I (Synonyms: GF109203X; Go 6850) 纯度: 99.03%

Bisindolylmaleimide I (GF109203X) 是一种高度选择,可渗透细胞,可逆的 PKC抑制剂,Ki 值为14 nM。

Bisindolylmaleimide I(Synonyms: GF109203X;  Go 6850)

Bisindolylmaleimide I Chemical Structure

CAS No. : 133052-90-1

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10 mM * 1 mL in DMSO ¥770 In-stock
5 mg ¥700 In-stock
10 mg ¥1200 In-stock
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50 mg ¥4500 In-stock
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生物活性

Bisindolylmaleimide I (GF109203X) is a highly selective, cell-permeable, and reversible protein kinase C (PKC) inhibitor with a Ki of 14 nM.

IC50 & Target

Bovine brain PKC

10 nM (IC50)

PKCβII

16 nM (IC50)

PKCβI

17 nM (IC50)

PKCα

20 nM (IC50)

PKCγ

20 nM (IC50)

FDGFR

65 μM (IC50)

体外研究
(In Vitro)

Bisindolylmaleimide I is a competitive inhibitor with respect to ATP (Ki=14 nM) and displays high selectivity for PKC as compared to five different protein kinases. GF 109203X efficiently prevents PKC-mediated phosphorylations of an Mr=47,000 protein in platelets and of an Mr=80,000 protein in Swiss 3T3 cells. GF 109203X inhibits collagen- and a-thrombin-induced platelet aggregation as well as collagen-triggered ATP secretion. However, ADP-dependent reversible aggregation is not modified. In Swiss 3T3 fibroblasts, GF 109203X reverses the inhibition of epidermal growth factor binding induced by phorbol 12,13-dibutyrate and prevents [3H] thymidine incorporation into DNA, only when this is elicited by growth promoting agents which activate PKC[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

Pial arteriole diameter changes are monitored using a closed cranial window in vivo microscopy technique. The pial arteriole dilatory response associated with SNS is decreased by 45%, when comparing DM vs either ND or TR rats. Also, pial arteriolar dilations to topical KCl and NS1619 are largely attenuated in DM rats, but not in ND or TR animals. These responses are completely restored by the acute application of Bisindolylmaleimide I to the brain surface. The PKC inhibitor has no effect on vascular responses in normoglycemic and TR animals. In conclusion, DM-associated chronic impairment of neurovascular coupling may be readily reversed by a PKC-α/β/γ inhibitor or prevented via pancreatic islet transplantation. Specific PCK isoforms (α/β/γ) are believed to be mechanistically linked to the neurovascular uncoupling seen with hyperglycemia[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

分子量

412.48

Formula

C25H24N4O2

CAS 号

133052-90-1

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

溶解性数据
In Vitro: 

DMSO : ≥ 32 mg/mL (77.58 mM)

* “≥” means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.4244 mL 12.1218 mL 24.2436 mL
5 mM 0.4849 mL 2.4244 mL 4.8487 mL
10 mM 0.2424 mL 1.2122 mL 2.4244 mL

*

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 (protect from light)。-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。

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

  • 1.

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

    Solubility: ≥ 1 mg/mL (2.42 mM); Clear solution

    此方案可获得 ≥ 1 mg/mL (2.42 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 10.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;向上述体系中加入50 μL Tween-80,混合均匀;然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠,完全溶解于 100 mL ddH₂O 中,得到澄清透明的生理盐水溶液

*以上所有助溶剂都可在 上海金畔生物科技有限公司 网站选购。
参考文献
  • [1]. Toullec D, et al. The bisindolylmaleimide GF 109203X is a potent and selective inhibitor of protein kinase C. J Biol Chem. 1991 Aug 25;266(24):15771-81.

    [2]. Vetri F, et al. Impairment of neurovascular coupling in Type 1 Diabetes Mellitus in rats is prevented by pancreatic islet transplantation and reversed by a semi-selective PKC inhibitor. Brain Res. 2017 Jan 15;1655:48-54.

Kinase Assay
[1]

Assay of PKC is arrayed by measuring 32Pi transferred from [γ-32Pi] ATP to lysine-rich histone type Ill-s. The reaction mixture (80 μL) contains 50 mM Tris-HCI, pH 7.4. 100 μM CaCl2, 10 mM MgCI2, 37.5 μg/mL histone type Ill-s, l0 μM [γ-32Pi] ATP (1250cpm/pmol), 31 μM bovine brain phosphatidylserine and 0.5 μM 1,2 sn-dioleylglycerol. 15 μL of purified PKC (final concentration in assay 0.38 μg/mL) is added to the incubation mixture. After 10 minutes, the reaction is stopped by addition of at 30 μL of casein 30 mg/mL and 0.9 mL of 12% trichlomacetic acid[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[2]

Three sets of Lewis rats is used for this study: 1) euglycemic 4–6 month old non-diabetic controls (ND group, n=11); 2) streptozotocin (STZ)-treated diabetic rats (6 month old, 4 months post-STZ) (DM group, n=6); and 3) STZ-treated diabetic animals, subjected to pancreatic islet transplantation soon after the establishment of the diabetic model, studied 100–110 days after the transplant (TR group, n=7)[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

参考文献
  • [1]. Toullec D, et al. The bisindolylmaleimide GF 109203X is a potent and selective inhibitor of protein kinase C. J Biol Chem. 1991 Aug 25;266(24):15771-81.

    [2]. Vetri F, et al. Impairment of neurovascular coupling in Type 1 Diabetes Mellitus in rats is prevented by pancreatic islet transplantation and reversed by a semi-selective PKC inhibitor. Brain Res. 2017 Jan 15;1655:48-54.

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