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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Oncología > Genética > DA - CIMA - Oncología - Genética - Artículos de revista >

Further characterization of complex chromosomal rearrangements in myeloid malignancies: spectral karyotyping adds precision in defining abnormalities associated with poor prognosis
Autor(es) : Odero, M.D. (Maria Dolores)
Carlson, K. (K.)
Calasanz-Abinzano, M.J. (Maria Jose)
Rowley, J.D. (Janet D.)
Palabras clave : Leukemia, Myeloid, Acute/genetics
Translocation, Genetic
Fecha incorporación: 2001
Editorial : Nature Publishing Group
Versión del editor: http://www.nature.com/leu/journal/v15/n7/full/2402158a.html
ISSN: 1476-5551
Cita: Odero MD, Carlson KM, Calasanz MJ, Rowley JD. Further characterization of complex chromosomal rearrangements in myeloid malignancies: spectral karyotyping adds precision in defining abnormalities associated with poor prognosis. Leukemia 2001 Jul;15(7):1133-1136.
Resumen
The mixed lineage leukemia gene (MLL, also known as HRX, ALL-1 and Htrx) located at 11q23 is involved in translocations with over 40 different chromosomal bands in a variety of leukemia subtypes. Here we report our analysis of a rare but recurring translocation, t(11;15)(q23;q14). This translocation has been described in a small subset of cases with both acute myeloblastic leukemia and ALL. Recent studies have shown that MLL is fused to AF15q14 in the t(11;15). Here we analyse a sample from another patient with this translocation and confirm the presence of an MLL-AF15q14 fusion. However, we have also identified and cloned another fusion transcript from the same patient sample. In this fusion transcript, MLL is fused to a novel gene, MLL partner containing FYVE domain (MPFYVE). Both MLL-AF15q14 and MLL-MPFYVE are in-frame fusion transcripts with the potential to code for novel fusion proteins. MPFYVE is also located on chromosome 15, approximately 170 kb telomeric to AF15q14. MPFYVE contains a highly conserved motif, the FYVE domain which, in other proteins, has been shown to bind to phosphotidyl-inositol-3 phosphate (PtdIns(3)P). The MLL-MPFYVE fusion may be functionally important in the leukemia process in at least some patients containing this translocation.
Enlace permanente: http://hdl.handle.net/10171/19623
Aparece en las colecciones: DA - CIMA - Oncología - Genética - Artículos de revista
DA - Ciencias - Genética - Artículos de revista

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Fichero:  2001 Leukemia SKY.pdf
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