Jumping translocation at 11q23 with MLL gene rearrangement and interstitial telomeric sequences |
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| Authors: | Cuthbert G McCullough S Finney R Breese G Bown N |
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| Affiliation: | Department of Human Genetics, University of Newcastle-upon-Tyne, England. g.d.cuthbert@ncl.ac.uk |
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| Abstract: | myeloid leukemia of acute myeloid leukemia (AML) M5a showing a jumping translocation with a breakpoint at 11q23. Fluorescence in situ hybridization (FISH) demonstrated triplication of the MLL gene and the presence of interstitial telomeric sequences, supporting the role of repetitive sequences in the mechanism of jumping translocations. Southern blot analysis of the MLL breakpoint cluster region showed the presence of an MLL gene rearrangement. Jumping translocation with MLL gene rearrangement is a previously unreported phenomenon in leukemia cytogenetics. |
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