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Myeloproliferative Neoplasms Transcriptome Reveals Pro-Inflammatory Signature and Enrichment in Peripheral Blood
Vitor Leonardo Bassan1, Rafaela de Freitas Martins Felício1, Kelen Cristina Ribeiro Malmegrim1
1Department of Clinical Analysis, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
Cancer Investigation
|July 3, 2024
Summary
Myeloproliferative neoplasms (MPN) involve genetic mutations and inflammation. This study reveals that monocytes exhibit altered gene expression, potentially driving oncoinflammation in MPN patients.
Area of Science:
- Hematology
- Oncology
- Molecular Biology
Background:
- Myeloproliferative neoplasms (MPN) are a group of blood cancers characterized by genetic mutations (JAK2, CALR, MPL) and an oncoinflammatory state.
- Understanding the molecular mechanisms underlying MPN pathogenesis and associated inflammation is crucial for developing targeted therapies.
Purpose of the Study:
- To investigate the role of monocytes in the oncoinflammatory status of MPN patients.
- To identify differentially expressed genes in monocytes from MPN patients compared to healthy controls.
Main Methods:
- Utilized in silico analysis of public microarray data from patients with polycythemia vera, essential thrombocythemia, and primary myelofibrosis.
- Compared gene expression profiles in monocytes from MPN patients and controls.
Main Results:
- MPN patients exhibited differential expression of pro-inflammatory and monocyte-related genes in their transcriptome.
- Genes associated with cell activation, pro-inflammatory/pro-angiogenic mediator secretion, neutrophil and platelet activation, coagulation, and interferon pathways were upregulated in MPN monocytes.
- These findings suggest a significant molecular alteration within monocytes in the context of MPN.
Conclusions:
- Molecular alterations in monocytes play a contributing role in the oncoinflammatory status observed in myeloproliferative neoplasms.
- Targeting monocyte-driven inflammation may represent a potential therapeutic strategy for MPN.
