GNF-2 Chemical Properties

storage temp. 

2-8°C

solubility 

H2O: <2mg/mL

form 

White solid

color 

off-white

Water Solubility 

H2O: <2mg/mL
DMSO: ≥5mg/mL

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26

WGK Germany 

3

GNF-2 Usage And Synthesis

Description

GNF-2 is an allosteric inhibitor of Bcr-Abl (IC₅₀ = 267 nM). It is selective for Bcr-Abl over c-Abl and a panel of 63 additional kinases at 10 μM. It inhibits proliferation of Ba/F3 cells (IC₅₀ = 138 nM). GNF-2 (10 μM) reduces viral titers in Vero cells infected with infectious bronchitis virus (IBV), a coronavirus, via inhibition of IBV surface glycoprotein-induced syncytia formation and virus-cell fusion. It inhibits LPS-induced production of nitric oxide (NO) and TNF-α in BV-2 microglia when used at concentrations of 10 and 20 μM. GNF-2 (1 and 10 mg/kg) reduces paw edema and increases the latency to paw withdrawal in a mouse model of inflammatory pain induced by complete Freund’s adjuvant (CFA). It also decreases mechanical and thermal hyperalgesia in a mouse model of diabetic neuropathy induced by streptozotocin (STZ; ).

Uses

Bcr-abl Inhibitor is an inhibitor of c-Abl and Bcr-abl activity. It is a COVID19-related research product.

Definition

ChEBI: 3-[6-[4-(trifluoromethoxy)anilino]-4-pyrimidinyl]benzamide is a member of pyrimidines.

General Description

A cell-permeable and reverisble pyrimidine compound that binds to the c-abl myristoyl binding pocket and acts as an allosteric, non-ATP-competitive inhibitor of cellular Bcr-abl activity and Bcr-abl-dependent cellular functions. Exhibits little inhibitory effect against a panel of 63 kinases even at concentration as high as 10 μM. Exhibits potent and selective antiproliferative activity toward Bcr-abl-expressing cells (IC₅₀ = 138 nM, 194 nM, 268 nM and 273 nM in Ba/F3.p210, Ba/F3.p^185Y253H, SUP-B15 and Ba/F3.p^210E255V, and K562, respectively). Brij-35 is reported to mask the inhibitory effect of GNF-2 in cell-free c-abl and Bcr-abl kinase assays.

Biochem/physiol Actions

GNF-2 belongs to a new class of Bcr-abl inhibitors. GNF-2 appears to bind to the myristoyl binding pocket, an allosteric site distant from the active site, stabilizing the inactive form of the kinase. It inhibits Bcr-abl phosphorylation with an IC50 of 267 nM, but does not inhibit a panel of 63 other kinases, including native c-Abl, and shows complete lack of toxicity towards cells not expressing Bcr-Abl. GNF-2 shows great potential for a new class of inhibitor to study Bcr-abl activity and to treat resistant Chronic myelogenous leukemia (CML), which is caused the Bcr-Abl oncoprotein.

References

[1] FRANCISCO J ADRIáN. Allosteric inhibitors of Bcr-abl–dependent cell proliferation[J]. Nature chemical biology, 2006, 2 2: 95-102. DOI: 10.1038/nchembio760
[2] JEANNE M SISK  Carolyn E M  Matthew B Frieman. Coronavirus S protein-induced fusion is blocked prior to hemifusion by Abl kinase inhibitors.[J]. Journal of General Virology, 2018, 99 5: 619-630. DOI: 10.1099/jgv.0.001047
[3] GYUN JEE SONG. A Bcr-Abl Inhibitor GNF-2 Attenuates Inflammatory Activation of Glia and Chronic Pain.[J]. Frontiers in Pharmacology, 2019: 543. DOI: 10.3389/fphar.2019.00543

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