Definition / meaning of CHIR-265

An orally bioavailable small molecule with potential antineoplastic activity.CHIR-265 binds and inhibits Raf kinases, which may result in a reduction of tumor cell growth and proliferation, and tumor cell death. In addition, this agent inhibits vascular endothelial growth factor receptor type 2 (VEGFR-2), thereby disrupting tumor angiogenesis.Raf kinases are critical enzymes in the Ras/Raf/MEK/ERK signaling pathway and are frequently upregulated in neoplasms.

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