NUP98/11p15 translocations affect CD34+cells in myeloid and T lymphoid leukemias

B Crescenzi, V Nofrini, G Barba, C Matteucci, D Di Giacomo, P Gorello, Berna Beverloo, A Vitale, I Wlodarska, P Vandenberghe, R La Starza, C Mecucci

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Abstract

We assessed lineage involvement by NUP98 translocations in myelodysplastic syndromes (MDS), acute myeloid leukaemia (AML), and T-cell acute lymphoblastic leukaemia (T-ALL). Single cell analysis by FICTION (Fluorescence Immunophenotype and Interphase Cytogenetics as a Tool for Investigation of Neoplasms) showed that, despite diverse partners, i.e. NSD1, DDX10, RAP1GDS1, and LNP1, NUP98 translocations always affected a CD34+/CD133+ hematopoietic precursor. Interestingly the abnormal clone included myelomonocytes, erythroid cells, B- and T-lymphocytes in MDS/AML and only CD7+/CD3+ cells in T-ALL. The NUP98-RAP1GDS1 affected different hematopoietic lineages in AML and T-ALL. Additional specific genomic events, were identified, namely FLT3 and CEBPA mutations in MDS/AML, and NOTCH1 mutations and MYB duplication in T-ALL. (C) 2015 Elsevier Ltd. All rights reserved.
Original languageUndefined/Unknown
Pages (from-to)769-772
Number of pages4
JournalLeukemia Research
Volume39
Issue number7
DOIs
Publication statusPublished - 2015

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  • EMC MGC-02-96-01

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