Mechanisms of STAT protein activation by oncogenic KIT mutants in neoplastic mast cells.

Abstract excerpt

Mutations in the c-kit gene occur in the vast majority of mastocytosis. In adult patients as well as in the cell line derived from mast cell neoplasms, the mutations occur almost exclusively at amino acid 816 within the kinase domain of KIT. Among the downstream effectors of KIT signaling, STAT3 and STAT5 have been shown to be critical for cell proliferation elicited by the KIT-Asp(816) mutant protein. However,...

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