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. 1993 Nov 1;90(21):10280–10284. doi: 10.1073/pnas.90.21.10280

An ets-related gene, ERG, is rearranged in human myeloid leukemia with t(16;21) chromosomal translocation.

K Shimizu 1, H Ichikawa 1, A Tojo 1, Y Kaneko 1, N Maseki 1, Y Hayashi 1, M Ohira 1, S Asano 1, M Ohki 1
PMCID: PMC47758  PMID: 8234289

Abstract

The t(16;21)(p11;q22) translocation is a nonrandom chromosomal abnormality found in several types of myeloid leukemia, which show variable cytomorphological features. We constructed rodent-human somatic cell hybrids containing the der(16) chromosome from leukemic cells of a patient with t(16;21). Using these hybrids, we mapped the translocation breakpoint on the Not I restriction map of chromosome 21 which we had previously constructed. The result showed the proximity of the breakpoint to the ERG gene, a member of the ets oncogene superfamily. Polymerase chain reaction and Southern blot analyses of genomic DNA from the hybrids and from peripheral blood cells and bone marrow cells of patients with t(16;21) showed that the breakpoints were clustered within a single intron in the coding region of the ERG gene. This finding and the results obtained by Northern blot analysis suggested the formation of a chimeric product(s) by fusion of the ERG gene and an unknown counterpart gene on chromosome 16.

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