Mechanisms of Transformation by the BCR/ABL Oncogene
- 1 April 2001
- journal article
- review article
- Published by Springer Nature in International Journal of Hematology
- Vol. 73 (3) , 278-291
- https://doi.org/10.1007/bf02981952
Abstract
The Philadelphia chromosome generates a chimeric oncogene in which the BCR and c-ABL genes are fused. The product of this oncogene, BCR/ABL, has elevated ABL tyrosine kinase activity, relocates to the cytoskeleton, and phosphorylates mul-tiple cellular substrates. BCR/ABL transforms hematopoietic cells and exerts a wide variety of biological effects, including reduction in growth factor dependence, enhanced viability, and altered adhesion of chronic myelocytic leukemia (CML) cells. Elevated tyrosine kinase activity of BCR/ABL is critical for activating downstream signal transduction and for all aspects of transformation.This review will describe mechanisms of transformation by the BCR/ABL oncogene and opportunities for clin-ical intervention with specific signal transduction inhibitors such as STI-571 in CML.Keywords
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