Tyrosine Kinase Activity and Transformation Potency of bcr-abl Oncogene Products
Abstract
Oncogenic activation of the proto-oncogene c- abl in human leukemias occurs as a result of the addition of exons from the gene bcr and truncation of the first abl exon. Analysis of tyrosine kinase activity and quantitative measurement of transformation potency in a single-step assay indicate that variation in bcr exon contribution results in a functional difference between p210bcr-abl and p185bcr-abl proteins. Thus, foreign upstream sequences are important in the deregulation of the kinase activity of the abl product, and the extent of deregulation correlates with the pathological effects of the bcr-abl proteins.
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Science
Volume 247 | Issue 4946
2 March 1990
2 March 1990
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Published in print: 2 March 1990
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- Tracy G. Lugo et al.
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