Amplification of c-MYC oncogene and point mutation of N-RAS oncogene point mutation in acute myelocytic leukemias with double minute chromosomes.


Two patients with acute myelocytic leukemia (AML) showing double minute (dmin) chromosomes were analysed to identify oncogene activation. Cytogenetic analysis showed 1-53 dmin chromosomes with the normal karyotype in the first patient and 1-84 dmin chromosomes with complex chromosome aberrations. Analysis of DNA from two patients revealed five- to tenfold… (More)


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