GSK2256098


Catalog No. size PriceQuantity
M6473-2 2mg solid $81
M6473-10 10mg solid $328

Description

GSK2256098, also known as GTPL7939, is a focal adhesion kinase-1 (FAK) inhibitor with potential antiangiogenic and antineoplastic activities. FAK inhibitor GSK2256098 inhibits FAK, which may prevent the integrin-mediated activation of several downstream signal transduction pathways, including ERK, JNK/MAPK and PI3K/Akt, thereby inhibiting tumor cell migration, proliferation and survival, and tumor angiogenesis. The tyrosine kinase FAK is normally activated by binding to integrins in the extracellular matrix (ECM) but may be upregulated and constitutively activated in various tumor cell types.

Product information

CAS Number: 1224887-10-8

Molecular Weight: 414.89

Formula: C20H23ClN6O2

Synonym:

GSK-2256098

GTPL-7939

GSK2256098

GSK 2256098

GTPL7939

GTP L7939

Chemical Name: 2-((5-chloro-2-((1-isopropyl-3-methyl-1H-pyrazol-5-yl)amino)pyridin-4-yl)amino)-N-methoxybenzamide

Smiles: CC1C=C(NC2=CC(NC3=CC=CC=C3C(=O)NOC)=C(Cl)C=N2)N(N=1)C(C)C

InChiKey: BVAHPPKGOOJSPU-UHFFFAOYSA-N

InChi: InChI=1S/C20H23ClN6O2/c1-12(2)27-19(9-13(3)25-27)24-18-10-17(15(21)11-22-18)23-16-8-6-5-7-14(16)20(28)26-29-4/h5-12H,1-4H3,(H,26,28)(H2,22,23,24)

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO, not in water

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

GSK2256098 is a thousand fold more selective for FAK compared to the nearest FAK family member, Pyk2. GSK2256098 inhibits FAK activity through targeting the phosphorylation site of FAK, tyrosine (Y) 397. GSK2256098 inhibits FAK activity or Y397 phosphorylation in cancer cell lines, OVCAR8 (ovary), U87MG (brain), and A549 (lung), at IC50s of 15, 8.5 and 12 nM, respectively. The responses of 6 PDAC cell lines in regards to FAK Y397 phosphorylation or activity to GSK2256098 treatments (0.1–10 μM) ranged from low (less than 20% inhibition) to high (more than 90% inhibition). The least and most sensitive cell lines (PANC-1 and L3.6P1) are selected for further analysis. GSK2256098 inhibition of FAK Y397 phosphorylation correlated with decreased levels of phosphorylated Akt and ERK in L3.6P1 cells. GSK2256098 decreases cell viability, anchorage-independent growth, and motility in a dose dependent manner.

In Vivo:

FAK is well-known to play an important role in angiogenesis, proliferation, and apoptosis, so the tumor samples harvested from the therapy experiments are examined. Evaluating CD31, significantly lower microvessel densities in tumors from mice treated with GSK2256098 and Paclitaxel is observed than in tumors from mice in the vehicle control group (P<0.05). This is consistent across both models, but Ishikawa tumors had the lowest microvessel density. All tumor models in mice treated with GSK2256098 exhibit less proliferation via Ki67 than control. Ishikawa tumors have the lowest Ki67 expression in response to therapy. Ishikawa tumors have higher apoptotic indices than Hec1A tumors after treatment with GSK2256098. Significant rates of apoptosis are seen in all models that had been treated with combination GSK2256098 and Paclitaxel.

References:

  1. Thanapprapasr D, Previs RA, Hu W, Ivan C, Armaiz-Pena GN, Dorniak PL, Hansen JM, Rupaimoole R, Huang J, Dalton HJ, Ali-Fehmi R, Coleman RL, Sood AK. PTEN Expression as a Predictor of Response to Focal Adhesion Kinase Inhibition in Uterine Cancer. Mol Cancer Ther. 2015 Jun;14(6):1466-75. doi: 1158/1535-7163.MCT-14-1077. Epub 2015 Apr 1. PubMed PMID: 25833835; PubMed Central PMCID: PMC4458384.
  2. Zhang J, He DH, Zajac-Kaye M, Hochwald SN. A small molecule FAK kinase inhibitor, GSK2256098, inhibits growth and survival of pancreatic ductal adenocarcinoma cells. Cell Cycle. 2014;13(19):3143-9. doi: 10.4161/15384101.2014.949550. PubMed PMID: 25486573; PubMed Central PMCID: PMC4615113.

Products are for research use only. Not for human use.

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