Monitoring Mutational Burden in Low Risk MDS Patients Using Sequential Peripheral Blood Samples

Myelodysplastic syndromes (MDS) are a heterogeneous group of clonal hematopoietic stem cell malignancies. Somatic cytogenetic and molecular aberrations and the evolution of subclonal malignant cell populations are responsible for the development and progression of MDS into acute myeloid leukemia. Within only one decade the availability of new genome-wide technologies, like next generation sequencing (NGS), has revolutionized basic research. The routine clinical use of NGS analysis together with well-established diagnostic tools, like chromosome banding analysis or fluorescence in situ hybridization, will substantially add to existing diagnostic and prognostic criteria. This comprehensive combined approach could revolutionize the way we manage patient care. However, little is known about the application of such techniques in routine diagnostics and standards for such analyses are still missing. In a recent publication from the research group, (Article DOI: 10.1002/ajh.25089) it was demonstrated that the analysis of peripheral blood cells (at diagnosis) by NGS is feasible and yields data that are equivalent to the results obtained from bone marrow cells (BMC), which is currently the gold standard for most molecular diagnostic analyses. Not longer depending on the severe and for the patient painful collection of bone marrow aspirates now it is possible to perform comprehensive genetic analysis at short intervals on peripheral blood of MDS patients to detect and closely monito…

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Francesc Sole, PhD  ·  (+34) 93 557 28 06  ·  fsole@carrerasresearch.org

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