2001
DOI: 10.1126/science.1062538
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Clinical Resistance to STI-571 Cancer Therapy Caused by BCR-ABL Gene Mutation or Amplification

Abstract: Clinical studies with the Abl tyrosine kinase inhibitor STI-571 in chronic myeloid leukemia demonstrate that many patients with advanced stage disease respond initially but then relapse. Through biochemical and molecular analysis of clinical material, we find that drug resistance is associated with the reactivation of BCR-ABL signal transduction in all cases examined. In six of nine patients, resistance was associated with a single amino acid substitution in a threonine residue of the Abl kinase domain known t… Show more

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Cited by 2,852 publications
(2,176 citation statements)
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References 31 publications
(26 reference statements)
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“…49), in cardiomyocytes, and found that it partially rescued the cells from imatinib-induced toxicity 4 . Because ABL is known to induce apoptosis, the fact that it seemed to provide a survival signal in cardiomyocytes was surprising.…”
Section: R E V I E W Smentioning
confidence: 99%
“…49), in cardiomyocytes, and found that it partially rescued the cells from imatinib-induced toxicity 4 . Because ABL is known to induce apoptosis, the fact that it seemed to provide a survival signal in cardiomyocytes was surprising.…”
Section: R E V I E W Smentioning
confidence: 99%
“…23 The most common cause of secondary imatinib resistance is point mutations in BCR-ABL that prevent effective binding of imatinib but may retain kinase activity. [35][36][37][38][39] These mutations are clustered primarily within the kinase domain of BCR-ABL (ABL exons 4-10). 40 They exhibit differential relative resistance to imatinib in vitro.…”
Section: Imatinib Nilotinib Dasatinibmentioning
confidence: 99%
“…However, acquired resistance to imatinib develops in a substantial fraction of patients. In 70 -80% of these cases, acquired resistance is caused by point mutations in the ABL kinase domain (Gorre et al, 2001). So far, about 40 different point mutations have been discovered, each of which is sufficient to cause resistance to imatinib (Branford et al, 2003a).…”
Section: Dynamics Of CMLmentioning
confidence: 99%