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551919-98-3

551919-98-3 structure
551919-98-3 structure
  • Name: GW779439X
  • Chemical Name: TCMDC-138687
  • CAS Number: 551919-98-3
  • Molecular Formula: C22H21F3N8
  • Molecular Weight: 454.451
  • Catalog: Signaling Pathways Anti-infection Bacterial
  • Create Date: 2018-06-10 23:58:31
  • Modify Date: 2024-02-01 20:36:08
  • GW779439X is a pyrazolopyridazine identified in an inhibitor of the S. aureus PASTA kinase Stk1. GW779439X potentiates the activity of β-lactam antibiotics against various MRSA and MSSA isolates, some even crossing the breakpoint from resistant to sensitive. GW779439X is an AURKA inhibitor and induces apoptosis by the caspases 3/7 pathway[1][2]. MRSA:methicillin-resistant S. aureus; MSSA: methicillin-sensitive S. aureus

Name TCMDC-138687
Synonyms N-[4-(4-Methylpiperazin-1-yl)-3-(trifluoromethyl)phenyl]-4-(pyrazolo[1,5-b]pyridazin-3-yl)pyrimidin-2-amine
2-Pyrimidinamine, N-[4-(4-methyl-1-piperazinyl)-3-(trifluoromethyl)phenyl]-4-pyrazolo[1,5-b]pyridazin-3-yl-
N-[4-(4-Methyl-1-piperazinyl)-3-(trifluoromethyl)phenyl]-4-(pyrazolo[1,5-b]pyridazin-3-yl)-2-pyrimidinamine
TCMDC-138687
GW779439X
Description GW779439X is a pyrazolopyridazine identified in an inhibitor of the S. aureus PASTA kinase Stk1. GW779439X potentiates the activity of β-lactam antibiotics against various MRSA and MSSA isolates, some even crossing the breakpoint from resistant to sensitive. GW779439X is an AURKA inhibitor and induces apoptosis by the caspases 3/7 pathway[1][2]. MRSA:methicillin-resistant S. aureus; MSSA: methicillin-sensitive S. aureus
Related Catalog
Target

Aurora A

Stk1

apoptosis

In Vitro GW779439X (2 μM) biochemically inhibits Stk1. GW779439X (5 μM) potentiates ceftaroline activity against a ceftaroline-resistant MRSA strain. GW779439X is able to potentiate the activity of oxacillin against various S. aureus isolates, including both MRSA and MSSA isolates, but the potentiation is clearly strongest in PBP2A-containing strains[1]. GW779439X has growth inhibition effects on the AGP-01 cell line (IC50= 0.57 μM). GW779439X (1μM) significantly blockS the cell cycle at the G0/G1 phase and sub-G1 phase. GW779439X (1μM; 72 hours; AGP-01 cells) significantly decreases expression levels of genes involved in proliferation progression (c-MYC, NRAS, and CDC25A) and increases expression levels of genes involved in cell cycle blocking (CDKN1A and TP53)[2.
References

[1]. Mesquita FP, et al. Kinase inhibitor screening reveals aurora-a kinase is a potential therapeutic and prognostic biomarker of gastric cancer [published online ahead of print, 2021 Jun 23]. J Cell Biochem. 2021;10.1002/jcb.30015.

[2]. Schaenzer AJ, et al. GW779439X and Its Pyrazolopyridazine Derivatives Inhibit the Serine/Threonine Kinase Stk1 and Act As Antibiotic Adjuvants against β-Lactam-Resistant Staphylococcus aureus. ACS Infect Dis. 2018;4(10):1508-1518.

Density 1.5±0.1 g/cm3
Molecular Formula C22H21F3N8
Molecular Weight 454.451
Exact Mass 454.184113
LogP 4.03
Index of Refraction 1.680