RAF kinases (ARAF, BRAF and CRAF (also known as RAF1) constitute core components of the RAS-RAF-MEK-ERK signalling cascade (ERK signalling), a pathway that mediates signals from cell surface receptors to the nucleus to regulate cell growth, differentiation and survival.
The RAF family of kinases includes key activators of the pro-tumourigenic mitogen-activated protein kinase pathway. Hyperactivation of RAF proteins, particularly BRAF and CRAF, drives tumour progression and drug resistance in many types of cancer.
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