性能参数

产品名称

Pyridone 6

规格

10mM (in 1mL DMSO)5mg 10mg 50mg 200mg

货号

GOY-Y3835

 含量

>98.00%

CAS

457081-03-7

别名

CMP 6; JAK Inhibitor

化学名

2-(tert-butyl)-9-fluoro-1H-benzo[h]imidazo[4,5-f]isoquinolin-7(6H)-one

分子式

C18H16FN3O

分子量

分子量 309.34

溶解度

≥ 15.45 mg/mL in DMSO, ≥ 5.92 mg/mL in EtOH with ultrasonic and warming

储存条件

Store at -20°C

General tips

用途

仅供科研

价格

电询

详细内容

Pyridone 6 is a reversible and selective ATP-competitive inhibitor of Janus-activated kinases (JAK) with IC50 value of 1-15 nM [1].

JAK is a tyrosine kinase family that and a component of the JAK-STAT signaling pathway. The combination of cytokine (such as interleukin and interferon) or growth factor (such as GH and EGF) and the associated receptors leads to the dimerization of the receptors. The dimerization triggers the activation (autophosphorylation) of JAK which binds to the receptor. Subsequent phosphorylation of the receptor caused by the activated JAK attracts STAT to bind to the receptor and to be activated by JAK. At last, activated STAT enters the nucleus and regulates gene transcription. It is found that constitutive activation of JAK and STAT can promote abnormal cell proliferation. The inhibition of JAK is believed to be an effective therapy to treat for malignancies.

Pyridone 6 is a potent inhibitor of JAK. It inhibited the activities of JAK1, JAK2, JAK3 and TYK2 with IC50 values of 15 nM, 1 nM, 5 nM and 1 nM, respectively. Pyridone 6 is also a selective JAK inhibitor. It showed IC50 values of more than 130 nM when tested against other kinases [1, 2 and 3].

In B9 cells, treatment of pyridone 6 at concentration of 250 nM significantly decreased the phosphorylation of STAT3 induced by IL-6. Treatment of 1 μM almost completely inhibited the phosphorylation of STAT3. Besides that, Pyridone 6 suppressed cell proliferation with IC50 value of 250 nM. In U266 cells, pyridone 6 treatment caused a modest cell growth reduction and G1 arrest. It is consistent with that the growth of U266 is partially dependent on IL-6 signaling [1].

Pyridone 6 has low water solubility. Due to this, a polylactic acid formulation of pyridone 6 and glycolic acid has been applied in animal model. In mice model of atopic dermatitis, administration of pyridone 6 is found to have therapeutic activity through modifying Th cell differentiation and inhibiting mast cell function [2].

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