ArticleBlood vessels, thrombosis & hemostasis2025
Dose-dependent effects of eltrombopag iron chelation on platelet formation.
Article in Blood vessels, thrombosis & hemostasis, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Clinical Impact of Eltrombopag-Associated Iron Chelation in Adults with Immune Thrombocytopenia: A Multicenter Real-World Study.Mediterranean journal of hematology and infectious diseases · 2026Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Iron deficiency is associated with thrombocytosis in patients, although thrombocytopenia can occur in cases of severe iron deficiency anemia. Eltrombopag (EP), a thrombopoietic agent approved for immune thrombocytopenia, also acts as an iron chelator. Our study demonstrates that megakaryocytes (MKs) exhibit an increased requirement for iron as they mature and acquire the ability to form proplatelets and release platelets. Although low EP concentrations maintain MK functions, high EP concentrations disrupt iron homeostasis, reducing proplatelet formation. Mechanistically, EP-dependent iron chelation impairs MK cytoskeletal dynamics, induces higher extracellular signal-regulated kinase 1/2 (ERK1/2) signaling, and reduces posttranslational glutathionylation of tubulin protein. Addition of exogenous iron or oxidized glutathione to high-dose EP-treated MKs counteracts the negative effect on iron status and ERK1/2 signaling, thereby rescuing proplatelet formation. Overall, these data reveal the complex role of iron status on MK cytoskeletal dynamics and platelet biogenesis and may explain the varied clinical manifestations of iron deficiency on platelet counts.
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Registered trials
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