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ZM336372 is a potent inhibitor of C-Raf with IC50 value of 70 nM [1]. It is also reported that ZM336372 inhibits SAPK2b/p38β2 with IC50 value of 2 μM.

C-Raf is a member of the Raf kinase family of serine/threonine-specific protein kinases and plays an important role in the ERK1/2 pathway. It has been reported that abnormal expression of C-Raf correlates with human diseases and also involves in a variety of cancers.

ZM336372 is a potent C-Raf inhibitor and has a different selectivity with the reported C-Raf inhibitor PD98059. When tested with primary neurons, ZM3363372 treatment decreased low potassium-induced apoptosis percent by inhibiting C-Raf activation [2]. In tumor spheroids pretreated with H2O2 and ZM336372 for 24 hours totally abolished the ROS-induced eNOS up-regulation via mediating ERK1/2 signaling pathway [3].

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