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Purvalanol B CDK1/CDK2/CDK4 inhibitor

Catalog No.A8565
Size Price Stock Qty
10mM (in 1mL DMSO)
$132.00
In stock
5mg
$65.00
In stock
10mg
$95.00
In stock
50mg
$448.00
In stock

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Sample solution is provided at 25 µL, 10mM.

Quality Control

Chemical structure

Purvalanol B

Protocol

Cell experiment [1]:

Cell lines

Chinese hamster lung fibroblast CCL39 cell line, Asynchronous cells

Preparation method

The solubility of this compound in DMSO is >21.7mg/mL. General tips for obtaining a higher concentration: Please warm the tube at 37 ℃ for 10 minutes and/or shake it in the ultrasonic bath for a while. Stock solution can be stored below -20℃ for several months.

Reacting condition

2.5 μM

Applications

In Chinese hamster lung fibroblast CCL39 cell line, treatment with Purvalanol B inhibited cells proliferation via targeting CKD1 which induced a G2/M block with a GI50 of 2.5 μM. In asynchronous cells, Purvalanol B led to an accumulation of cells in G2/M phase.

Animal experiment [2, 3]:

Animal models

Mouse model with NCI-H2228 subcutaneous xenograft and Karpas 299 cells

Dosage form

Oral administration, 30 mg/kg/d, 2 weeks

Application

In a mouse model with NCI-H2228 subcutaneous xenograft, oral administration of ASP3026 significantly reduced phosphorylated ALK and tumor growth. ASP3026 (30 mg/kg/d, 2 weeks) induced tumor regression by 78%. In mice injected with Karpas 299 cells, ASP3026 treatment caused remarkable lymphoma regression。

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

[1]. Kuromitsu S, Mori M, Shimada I, et al. Anti-tumor activity of ASP3026,–A novel and selective ALK inhibitor[J]. 2011.

[2]. Mori M, Ueno Y, Konagai S, et al. The Selective Anaplastic Lymphoma Receptor Tyrosine Kinase Inhibitor ASP3026 Induces Tumor Regression and Prolongs Survival in Non–Small Cell Lung Cancer Model Mice. Molecular cancer therapeutics, 2014, 13(2): 329-340.

[3].George S K, Vishwamitra D, Manshouri R, et al. The ALK inhibitor ASP3026 eradicates NPM-ALK+ T-cell anaplastic large-cell lymphoma in vitro and in a systemic xenograft lymphoma model. Oncotarget, 2014, 5(14): 5750-5763.

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Chemical Properties

Cas No. 212844-54-7 SDF Download SDF
Synonyms NG 95; NG95; NG-95
Chemical Name 2-chloro-4-[[2-[[(2R)-1-hydroxy-3-methylbutan-2-yl]amino]-9-propan-2-ylpurin-6-yl]amino]benzoic acid
Canonical SMILES CC(C)C(CO)NC1=NC2=C(C(=N1)NC3=CC(=C(C=C3)C(=O)O)Cl)N=CN2C(C)C
Formula C20H25ClN6O3 M.Wt 432.9
Solubility >21.7mg/mL in DMSO Storage Store at -20°C
Shipping Condition Evaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.

Background

Purvalanol B is a selective inhibitor of CDK1, CDK2 and CDK4.
CDKs (cyclin-dependent kinases) family has the ability to regulate cell cycle.
Purvalanol B is reported as one of the most potent and selective CDK inhibitors. When tested with Chinese hamster lung fibroblast CCL39 cell line, treatment with Purvalanol B inhibited cells proliferate via targeting CKD1 which induced a G2/M block with a GI50 of 2.5 μM. In asynchronous cells, exposed to Purvalanol B led to an accumulation of cells in G2/M phase [1].
In a mouse model with NCI-H2228 subcutaneous xenograft, oral administration of ASP3026 caused significant reduction of phosphorylated ALK and tumor growth. 30 mg/kg/d ASP3026 for 2 weeks induced tumor regression by 78%. In mice injected with Karpas 299 cells, ASP3026 treatment caused remarkable lymphoma regression [2, 3].
Purvalanol B also interacts with p42/p44 MAPK proteins when tested with several mammalian cell lines including MCF-7 cell line [1].
References:
1.Kuromitsu S, Mori M, Shimada I, et al. Anti-tumor activity of ASP3026, a novel and selective ALK inhibitor of anaplastic lymphoma kinase (ALK). Annual Meeting of the American Association for Cancer Research (AACR), Orlando, FL. 2011.
2.Mori M, Ueno Y, Konagai S, et al. The Selective Anaplastic Lymphoma Receptor Tyrosine Kinase Inhibitor ASP3026 Induces Tumor Regression and Prolongs Survival in Non–Small Cell Lung Cancer Model Mice. Molecular cancer therapeutics, 2014, 13(2): 329-340.
3.George S K, Vishwamitra D, Manshouri R, et al. The ALK inhibitor ASP3026 eradicates NPM-ALK+ T-cell anaplastic large-cell lymphoma in vitro and in a systemic xenograft lymphoma model. Oncotarget, 2014, 5(14): 5750-5763.