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A primer on genomic and epigenomic alterations in the myeloproliferative neoplasms

Raajit Rampal1, Ross L Levine1

  • 1Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Ave, Box 443, New York, NY 10065, USA.

Best Practice & Research. Clinical Haematology
|September 6, 2014
PubMed

Insights

The JAK2 mutation discovery revolutionized myeloproliferative neoplasms (MPNs) research, leading to new treatments. Understanding the role of numerous mutations in MPN development remains a key challenge for clinicians.

Area of Science:

  • Hematology
  • Genetics
  • Oncology

Background:

  • The discovery of the JAK2 mutation in Philadelphia-chromosome negative myeloproliferative neoplasms (MPNs) in 2005 marked a significant advancement.
  • This breakthrough initiated an era of extensive genetic research in MPNs, deepening the understanding of their pathobiology.

Purpose of the Study:

  • To explore the impact of the JAK2 mutation discovery on MPN research and treatment.
  • To address the challenges posed by the increasing number of identified mutations in MPNs for clinical practice.

Main Methods:

  • Review of genetic discoveries in MPNs since 2005.
  • Analysis of the impact of genetic findings on MPN pathobiology and treatment development.

Main Results:

  • Substantive gains in understanding MPN pathobiology.
  • Development of JAK inhibitors and initiation of clinical trials targeting other disease components.
  • Identification of numerous genomic alterations contributing to MPN development.

Conclusions:

  • The JAK2 mutation discovery has transformed MPN research, leading to targeted therapies.
  • Further investigation is needed to clarify the contribution of each mutation to MPN phenotypes.
  • Clinical guidelines are required to aid in mutation testing and interpretation for practicing physicians.
Keywords:
CALRJAK2MPN

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