Targeting mutant BRAF can kill cancer cells, but cannot finish off melanoma

This past summer saw a revolution in melanoma therapy. Patients whose melanoma lesions contain a mutation in the BRAF were successfully treated with a BRAF-specific inhibitor, PLX4032. Reports of the trial described shrinking tumors and improved health. Yet seven months after therapy began the tumors returned and resumed growing. Now, scientists at The Wistar Institute explain why: the learns to signal around the blocked by adjusting its molecular wiring.


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