Genetic abnormalities that occur during neoplastic transformationcan cause the dysregulation of protein kinases a criticalevent in tumorigenesis. The inhibition of protein kinases isone of the most impressive new approaches to targeted cancertherapy. Imatinib mesylate (Gleevec, Novartis; formerly knownas STI571) was one of the first selective protein kinase inhibitorsdeveloped for the treatment of chronic myelogenous leukemia(CML). The principal target of imatinib is BCR-ABL, a fusionprotein made up of part of the breakpoint cluster region (BCR)protein and part of the tyrosine kinase Abelson murine leukemia(ABL). Imatinib directly binds to the tyrosine . . . [Full Text of this Article]
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From the Department of Obstetrics and Gynecology, School of Medicine, J.W. Goethe University, Frankfurt, Germany (K.S.); the Singapore Oncogenome Laboratory, Centre of Molecular Medicine, Institute of Molecular and Cell Biology, Proteos, Singapore (A.U.); and the Department of Molecular Biology, Max Planck Institute of Biochemistry, Martinsried, Germany (A.U.).
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