Abstract
Human tumour cell lines of various histological origin contain genes that can transform NIH 3T3 cells in culture1,2. Most frequently the gene is an activated K-ras gene, more rarely an activated H-ras gene, and sometimes the recently discovered N-ras3–11. Other transforming genes, distinct from ras, have been found in B- and T-cell leukaemias9,12. Since most of the transforming genes have been identified in cell lines, it is still unclear at what stage the genes become activated. We have therefore initiated a study to determine if the presence of a transforming gene correlates with the clinical course of a malignant disease. Here we demonstrate the presence of a transforming N-ras gene in bone marrow cells from a patient with acute myeloblastic leukaemia at the outbreak of the acute disease phase. Fibroblast DNA from the same patient was not transforming. In contrast to HL-60 cells13,14, no alteration of the myc gene was detected.
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Gambke, C., Signer, E. & Moroni, C. Activation of N-ras gene in bone marrow cells from a patient with acute myeloblastic leukaemia. Nature 307, 476–478 (1984). https://doi.org/10.1038/307476a0
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DOI: https://doi.org/10.1038/307476a0
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