Abstract
Immediately following the 2010 annual American Society of Hematology (ASH) meeting, the 5th International Post-ASH Symposium on Chronic Myelogenous Leukemia and BCR-ABL1-Negative Myeloproliferative Neoplasms (MPNs) took place on 7–8 December 2010 in Orlando, Florida, USA. During this meeting, the most recent advances in laboratory research and clinical practice, including those that were presented at the 2010 ASH meeting, were discussed among recognized authorities in the field. The current paper summarizes the proceedings of this meeting in BCR-ABL1-negative MPN. We provide a detailed overview of new mutations with putative epigenetic effects (TET oncogene family member 2 (TET2), additional sex comb-like 1 (ASXL1), isocitrate dehydrogenase (IDH) and enhancer of zeste homolog 2 (EZH2)) and an update on treatment with Janus kinase (JAK) inhibitors, pomalidomide, everolimus, interferon-α, midostaurin and cladribine. In addition, the new ‘Dynamic International Prognostic Scoring System (DIPSS)-plus' prognostic model for primary myelofibrosis (PMF) and the clinical relevance of distinguishing essential thrombocythemia from prefibrotic PMF are discussed.
Highlights
The World Health Organization (WHO) classification system for myeloid malignancies uses morphology, in combination with cytochemical, immunophenotypic, cytogenetic and molecular data, to classify myeloid malignancies into five major categories: acute myeloid leukemia (AML), myelodysplastic syndromes (MDSs), myeloproliferative neoplasms (MPNs), MDS/Myeloproliferative Neoplasms (MPNs), and PDGFR- or FGFR1-rearranged myeloid/lymphoid neoplasms associated with eosinophilia.[1]
We provide a detailed overview of new mutations with putative epigenetic effects (TET oncogene family member 2 (TET2), additional sex comb-like 1 (ASXL1), isocitrate dehydrogenase (IDH) and enhancer of zeste homolog 2 (EZH2)) and an update on treatment with Janus kinase (JAK) inhibitors, pomalidomide, everolimus, interferon-a, midostaurin and cladribine
The World Health Organization (WHO) classification system for myeloid malignancies uses morphology, in combination with cytochemical, immunophenotypic, cytogenetic and molecular data, to classify myeloid malignancies into five major categories: acute myeloid leukemia (AML), myelodysplastic syndromes (MDSs), myeloproliferative neoplasms (MPNs), MDS/MPN, and PDGFR- or FGFR1-rearranged myeloid/lymphoid neoplasms associated with eosinophilia.[1]
Summary
Tefferi, A.O., Abdel-Wahab, F. Cervantes, J.D. Crispino, G. Finazzi, F. Girodon, H. Gisslinger, et al 2011. Mutations with epigenetic effects in myeloproliferative neoplasms and recent progress in treatment: proceedings from the 5th international post-ash symposium. Blood Cancer Journal 1(3): e7. This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-ofuse#LAA
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