Journal
BIOMOLECULES
Volume 11, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/biom11010122
Keywords
primary myelofibrosis; bone; myeloproliferative neoplasm; bone marrow; fibrosis
Categories
Funding
- Piano di Incentivi per la ricerca di Ateneo 2020/2022 Linea di intervento 2
- PON AIM RI [2014-2020-E68D19001340001, 2014-2020-E66C18001240007]
- A.I.L. (Associazione Italiana contro le Leucemie) sezione di Catania, FON.CA.NE.SA. (Fondazione Catanese per lo Studio delle Malattie Neoplastiche del Sangue)
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Primary myelofibrosis (PMF) is a myeloproliferative neoplasm characterized by clonal proliferation of hematopoietic stem cells leading to bone marrow fibrosis. The main consequences of PMF include neoangiogenesis, megakaryocytes hyperplasia, extensive bone marrow fibrosis, osteosclerosis, and bone damage. The involvement of cytokines, growth factors, and resident cells in the bone marrow microenvironment are linked to disease progression in PMF.
Primary myelofibrosis (PMF) is a myeloproliferative neoplasm characterized by hematopoietic stem-cell-derived clonal proliferation, leading to bone marrow (BM) fibrosis. Hematopoiesis alterations are closely associated with modifications of the BM microenvironment, characterized by defective interactions between vascular and endosteal niches. As such, neoangiogenesis, megakaryocytes hyperplasia and extensive bone marrow fibrosis, followed by osteosclerosis and bone damage, are the most relevant consequences of PMF. Moreover, bone tissue deposition, together with progressive fibrosis, represents crucial mechanisms of disabilities in patients. Although the underlying mechanisms of bone damage observed in PMF are still unclear, the involvement of cytokines, growth factors and bone marrow microenvironment resident cells have been linked to disease progression. Herein, we focused on the role of megakaryocytes and their alterations, associated with cytokines and chemokines release, in modulating functions of most of the bone marrow cell populations and in creating a complex network where impaired signaling strongly contributes to progression and disabilities.
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