|1||B-RAF is a member of the RAF-family of kinases which plays an important role in the RAS-RAF-MEK-ERK mitotic signaling pathway. BRAF mutations are present in approximately 50% to 60% of cutaneous melanomas and are also present at lower frequencies in other melanoma subtypes. A point mutation, L597R, is located in the kinase domain of BRAF. A case report has shown that a metastatic melanoma with this mutation is sensitive to BRAF inhibitors. In addition, it has been suggested that BRAF L597 mutations could potentially be responsive to MEK inhibitors.|
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