Article ; Online: Enalaprilat and losartan decrease erythroid precursors frequency in cells from patients with polycythemia vera.
Hematology (Amsterdam, Netherlands)
2023 Volume 28, Issue 1, Page(s) 2182056
Abstract: Objective: Polycythemia Vera (PV) is a myeloproliferative neoplasm characterized by the overproduction of red blood cells. First-line therapies are directed at lowering hematocrit levels. After the discovery of a mutation in the Janus kinase 2 (: ... ...
Abstract | Objective: Polycythemia Vera (PV) is a myeloproliferative neoplasm characterized by the overproduction of red blood cells. First-line therapies are directed at lowering hematocrit levels. After the discovery of a mutation in the Janus kinase 2 ( Methods: We assessed the clonogenic potential by colony-forming unit (CFU) assay of mononuclear cells isolated from PV JAK2 positive or JAK2 negative patients with erythrocytosis treated with enalaprilat or losartan. Results: Treatment with drugs led to a decrease of erythroid precursor frequency both in the presence and absence of JAK2 mutation, with a high extent in JAK2 positive cells and without affecting other types of precursors. No dose-dependent effect was observed. Conclusions: Our results demonstrate that ACE inhibition reduces erythroid precursor frequency, confirming the involvement of ACE in erythrocytosis despite the presence of JAK2 mutation and encouraging the hypothesis that ACE inhibitors and AT1R antagonists could help in directly managing erythrocytosis in PV. |
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MeSH term(s) | Humans ; Polycythemia Vera ; Enalaprilat ; Polycythemia ; Losartan ; Erythrocytes |
Chemical Substances | Enalaprilat (GV0O7ES0R3) ; Losartan (JMS50MPO89) |
Language | English |
Publishing date | 2023-01-31 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 1341428-8 |
ISSN | 1607-8454 ; 1024-5332 ; 1024-5340 |
ISSN (online) | 1607-8454 |
ISSN | 1024-5332 ; 1024-5340 |
DOI | 10.1080/16078454.2023.2182056 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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