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Lck Inhibitor
Cat No.
CEI-1390
Description
Lck Inhibitor is a cell-permeable and ATP-competitive inhibitor of Lck with IC50 values of
Product Overview
Lck Inhibitor is a small-molecule inhibitor of with IC50 value of 7 nM. The lymphocyte specific kinase which expressed in NK cells and T-cells is a member of the Src kinase family. It takes participate in the T-cell receptor (TCR) signal transduction and affects the expression of genes associated with cell proliferation, cytokine release and T-cell survival. Therefore small-molecule inhibitors of Lck with potent activities and bioavailable efficacies have been designed and developed as therapeutic agents for the treatment for T-cell-mediated autoimmune and organ transplant rejection. Lck Inhibitor showed high selectivity against Lck over another Src family kinase Src and the kinases related to inflammation and angiogenesis such as p38 and VEGFR-2 with IC50 values of 0.12, >10 and 5.1 μM, respectively. Lck Inhibitor also showed more than 1000-fold greater selectivity over CDK, MAPK and the RSK family. In cultured human mixed lymphocytes, the inhibitor significantly suppressed the activation of T-cells with IC50 value of 47 nM. Besides that, this compound inhibited IL-2 secretion induced by T-cell receptor with IC50 value of 0.46 μM. The good potency and selectivity of the Lck Inhibitor were due to the critical aniline side chain within a N-methylpiperazine moiety. It extended to the ATP-binding pocket of the enzyme and formed hydrogen bond interactions with the linker region. In rats model with arthritis induced by the injection of porcine type II collagen, oral administration of the compound dose-dependently suppressed the inflammation with ED50 value of 3.2 mg/kg. While in the adjuvant-induced arthritis model, oral administration of Lck Inhibitor also displayed significant anti-arthritis effects with ED50 value of 24 mg/kg
CAS No.
847950-09-8
Molecular Weight
530.62
Purity
0.98
Storage
Store at -20°C
Targets
Lck (64-509); Lckcd; Src; Kdr; Tie-2
IC50
2 nM; 70 nM; 1.57 µM; 1.98 µM
Molecular Formula
C31H30N8O
Chemical Name
6-(2,6-dimethylphenyl)-2-((4-(4-methylpiperazin-1-yl)phenyl)amino)benzo[4,5]imidazo[1,2-a]pyrimido[5,4-e]pyrimidin-5(6H)-one
Solubility
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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