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Cancer Genet Cytogenet. 1987 Aug;27(2):349-56.

Molecular characteristics of chronic myelogenous leukemia in blast crisis.


We have studied the expression of c-abl and c-myc in leukemic cells of patients in all clinical phases of chronic myelogenous leukemia. We demonstrate that an aberrant 8-Kb c-abl related transcript is present in the RNA of the leukemic cell from all patients with Ph+ CML and that the loss of both normal chromosome #9 is associated with the loss of the normal c-abl related transcripts. This represents direct evidence that the normal c-abl related transcripts derive from the normal c-abl gene locus on the normal chromosome #9, while the aberrant c-abl related transcript in Ph+ CML derives from the hybrid bcr-abl gene formed as a result of the t(9;22). We further demonstrate that trisomy 8 in some instances is associated with enhanced expression of the c-myc oncogene.

[Indexed for MEDLINE]

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