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New molecular genetics in the diagnosis and treatment of myeloproliferative neoplasms

Passamonti, Francesco; Mora, Barbara; Maffioli, Margherita

Current Opinion in Hematology: March 2016 - Volume 23 - Issue 2 - p 137–143
doi: 10.1097/MOH.0000000000000218
MYELOID DISEASE: Edited by Martin S. Tallman
Editor's Choice

Purpose of review Myeloproliferative neoplasms (MPN) are conditions of great interest because of the identification of their molecular basis and of the entering of new small molecules into clinical practice. The aim of this review is to report the role of mutations in the diagnosis, prognosis, and in the prediction of response to JAK inhibitors in MPN.

Recent findings New mutations of the CALR gene have been discovered in patients without JAK2 or MPL mutations and are now included in the World Health Organization classification system. The role of ASXL1 and SRSF2 together with the driver mutations is emerging in the prognostication of myelofibrosis.

Summary A wide mutational analysis of MPN helps to define diagnosis and prognosis. In the future, clinical trials based on a robust valuation of mutations will guide treatment decision-making towards precision medicine.

aDepartment of Clinical and Experimental Medicine, University of Insubria

bDivision of Hematology, Ospedale di Circolo, Varese, Italy

Correspondence to Francesco Passamonti, MD, Department of Clinical and Experimental Medicine, Division of Hematology, University of Insubria, Viale L. Borri 57, 21100 Varese, Italy. Tel: +39 0332 393 648; fax: +39 0332 393 648; e-mail:

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