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Whole exome sequencing was performed in a patient with myelodysplastic syndrome before and after progression to acute myeloid leukaemia. Mutations in several genes, including SETBP1, were identified following leukaemic transformation. Screening of 328 patients with myeloid disorders revealed SETBP1 mutations in 14 patients (4·3%), 7 of whom had -7/del(7q) and 3 had i(17)(q10), cytogenetic markers associated with shortened overall survival and increased risk of leukaemic evolution. SETBP1 mutations were frequently acquired at the time of leukaemic evolution, coinciding with increase of leukaemic blasts. These data suggest that SETBP1 mutations may play a role in MDS and chronic myelomonocytic leukaemia disease progression.

Original publication

DOI

10.1111/bjh.12491

Type

Journal article

Journal

Br J Haematol

Publication Date

10/2013

Volume

163

Pages

235 - 239

Keywords

SETBP1, disease progression, mutation, myelodysplastic syndromes, whole exome sequencing, Biomarkers, Tumor, Carrier Proteins, Cell Transformation, Neoplastic, Chromosome Aberrations, Chromosome Deletion, Chromosomes, Human, Pair 7, Disease Progression, Exome, Heterozygote, High-Throughput Nucleotide Sequencing, Humans, Leukemia, Myelomonocytic, Chronic, Male, Mutation, Myelodysplastic Syndromes, Nuclear Proteins, Recurrence