Aberrant activation of the Ras/Raf/MAPK/ERK kinase/extracellular signal-regulated kinase cascade and the VEGF pathway are commonly observed in breast cancer cells leading to malignant cell ...

In NF1, many of these medications work by blocking a specific cell signaling pathway called Ras/MAPK that is hyperactive in cells that have lost NF1 function due to gene mutation. When this signaling ...