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Nature Medicine 13, 1144-1145 (1 October 2007) | doi:10.1038/nm1007-1144;

Where lies the blame for resistance|[mdash]|tumor or host?

Charles L Sawyers

Targeted cancer therapy, as showcased by the Abelson murine leukemia viral oncogene homolog-1 (ABL) kinase inhibitor imatinib in the treatment of chronic myeloid leukemia (CML), has captivated the attention of the cancer world. Because they specifically attack the molecular underpinnings of a tumor, such as an oncogenic mutant kinase, these targeted drugs promise remarkable efficacy with minimal toxicity.

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