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Bone marrow microenvironment of MPN cells.

Alessandro Malara1, Christian A Di Buduo1, Vittorio Abbonante1

  • 1Department of Molecular Medicine, University of Pavia, Pavia, Italy.

International Review of Cell and Molecular Biology
|November 10, 2021
PubMed
Summary

This chapter explores bone marrow changes in Myeloproliferative Neoplasms (MPNs). It highlights the key role of megakaryocytes in disease progression and the fibrotic extracellular matrix in MPN bone marrow.

Keywords:
Bone marrowExtracellular matrixMegakaryocytesMyeloproliferative neoplasms

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Area of Science:

  • Hematology
  • Oncology
  • Cell Biology

Background:

  • Myeloproliferative Neoplasms (MPNs) are a group of blood cancers characterized by the overproduction of myeloid cells.
  • The bone marrow microenvironment, or niche, plays a critical role in MPN pathogenesis and progression.
  • Alterations in cellular and extracellular components of the bone marrow niche are increasingly recognized as important factors in MPNs.

Purpose of the Study:

  • To review current knowledge on bone marrow niche alterations in MPNs.
  • To emphasize the role of megakaryocytes in MPN progression.
  • To describe the extracellular matrix components associated with fibrotic bone marrow in MPNs.

Main Methods:

  • Literature review of existing research on MPNs and bone marrow microenvironment.
  • Analysis of cellular components, focusing on megakaryocytes.
  • Examination of extracellular matrix characteristics in fibrotic bone marrow.

Main Results:

  • Megakaryocytes are central players in the progression of Myeloproliferative Neoplasms.
  • Specific alterations in bone marrow cellular components are observed in MPNs.
  • The extracellular matrix in fibrotic bone marrow of MPN patients exhibits distinct features.

Conclusions:

  • Understanding bone marrow niche alterations is crucial for comprehending MPN pathogenesis.
  • Megakaryocyte dynamics are a key therapeutic target in MPNs.
  • Characterization of the fibrotic bone marrow environment may lead to novel diagnostic or therapeutic strategies.