Lck Inhibitor

A selective inhibitor of lymphocyte-specific protein tyrosine kinase

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5mg

￥1250.00

1000.00

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10mg

￥2012.00

1610.00

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50mg

￥7987.00

6390.00

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100mg

￥14200.00

11360.00

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货号: ajci10476
CAS: 847950-09-8
别名: 6-(2,6-二甲基苯基)-2-[[4-(4-甲基-1-哌嗪基)苯基]氨基]-嘧啶并[5',4':5,6]嘧啶并[1,2-A]苯并咪唑-5(6H)-酮
分子式: C31H30N8O
分子量: 530.62
纯度: >98%
溶解度: DMF: 12 mg/ml,DMF:PBS(pH7.2) (1:2): 0.33 mg/ml,DMSO: 2.5 mg/ml,Ethanol: 0.33 mg/ml
储存: Store at -20°C
库存: 现货

Background

Lck Inhibitor is a small-molecule inhibitor of with IC50 value of 7 nM [1].
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 [1].
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 [1].
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 [1].
参考文献:
[1] Martin M W, Newcomb J, Nunes J J, et al. Structure-Based Design of Novel 2-Amino-6-phenyl-pyrimido [5', 4': 5, 6] pyrimido [1, 2-a] benzimidazol-5 (6 H)-ones as Potent and Orally Active Inhibitors of Lymphocyte Specific Kinase (Lck): Synthesis, SAR, and In Vivo Anti-Inflammatory Activity. Journal of medicinal chemistry, 2008, 51(6): 1637-1648.???