The JAK-STAT signaling pathway transmits information from extracellular chemical signals to the nucleus resulting in DNA transcription and expression of genes involved in immunity, proliferation, differentiation, apoptosis and oncogenesis. The JAK-STAT signalling cascade consists of three main components: a cell surface receptor, a Janus kinase (JAK) and two Signal Transducer and Activator of Transcription (STAT) proteins. Disrupted or dysregulated JAK-STAT functionality can result in immune deficiency syndromes and cancers.
Trametinib (GSK1120212)是一种高特异性的,有效的MEK1/2抑制剂,IC50为0.92 nM/1.8 nM,对c-Raf, B-Raf, ERK1/2没有抑制活性。
MorePLX 4720是B-RafV600E和c-Raf-1Y340D/Y341D的抑制剂,IC50分别为13 nM和6.7 nM。
MoreSCH772984是一种新型特异性的ERK1/2抑制剂, IC50分别为4 Nm/1 nM。
MoreSelumetinib (AZD6244)是一种高选择性的MEK1抑制剂,IC50为14 nM,也抑制ERK1/2磷酸化,IC50为10 nM,但对p38α, MKK6, EGFR, ErbB2, ERK2, B-Raf等没有抑制作用。
MoreGDC-0623是一种有效的 ATP 非竞争性MEK1抑制剂,Ki为 0.13 nM。
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