SP600125 (Nsc75890)是一种广谱JNK抑制剂，作用于JNK1、JNK2和JNK3，无细胞试验中IC50分别为40 nM、40 nM和90 nM，比作用于MKK4选择性高10倍，比作用于MKK3、MKK6、PKB和PKCα选择性高25倍，比作用于ERK2、p38、Chk1、EGFR等选择性高100倍。SP600125也是一种广谱的serine/threonine kinases抑制剂，包括Aurora kinase A、FLT3和TRKA，对应的IC50值为60 nM、90 nM和70 nM。SP600125可抑制自噬而激活细胞凋亡。
| CAS No. | 129-56-6 |
| 生物活性 | SP600125 is an orally active, reversible, and ATP-competitive JNK inhibitor with IC50s of 40, 40 and 90 nM for JNK1, JNK2 and JNK3, respectively. SP600125 is a potent ferroptosis inhibitor. SP600125 inhibits autophagy and activates apoptosis. |
| 分子式 | C14H8N2O |
| 分子量 | 220.23 |
| 运输条件 | Room temperature in continental US; may vary elsewhere. |
| 储存条件 | Powder -20°C 3 years |
| 溶解性数据 | DMSO : 12.5 mg/mL (56.76 mM; Need ultrasonic) |
| 体内研究 | Administration of SP600125 at 15 or 30 mg/kg i.v. significantly inhibits TNF-α serum levels, whereas oral administration dose-dependently blocks TNF-α expression with significant inhibition observed at 30 mg/kg per os. SP600125 attenuates LPS-induced ALI in rats in vivo. The expression levels of TNF-α and IL-6 in the BALF in rats in the SP600125 group are significantly decreased. |
| 体外研究 | SP600125 is an ATP-competitive inhibitor of JNK2 with a Ki value of 0.19±0.06 μM. SP600125 inhibits the phosphorylation of c-Jun with IC50 of 5 μM to 10 μM in Jurkat T cells. In CD4 cells, such as Th0 cells isolated from either human cord or peripheral blood, SP600125 blocks cell activation and differentiation and inhibits the expression of inflammatory genes COX-2, IL-2, IL-10, IFN-γ, and TNF-α, with IC50 of 5 μM to 12 μM. In a mouse beta cells MIN6, SP600125 (20 μM) induces the phosphorylation of p38 MAPK and its downstream CREB-dependent promoter activation. In HCT116 cells, SP600125 (20 μM) blocks the G2 phase to mitosis transition and induces endoreplication. This ability of SP600125 is independent of JNK inhibition, but due to its inhibition of CDK1-cyclin B activation upstream of Aurora A and Polo-like kinase 1. |
| 纯度及产品资料 | 98% |
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