2024
DOI: 10.3390/jcm13216404
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The Current Role of Hydroxyurea in the Treatment of Sickle Cell Anemia

Montserrat López Rubio,
María Argüello Marina

Abstract: Despite advancements in treatment of sickle cell disease (SCD), hydroxyurea, a ribonucleotide reductase inhibitor, remains the cornerstone of therapy. While its primary effect is the elevation of fetal hemoglobin (HbF), hydroxyurea’s mechanisms of action are multifaceted. Hydroxyurea (HU) reduces leukocyte and platelet counts, decreases the expression of endothelial adhesion molecules CD36 and CD49d, and increases nitric oxide and cyclic nucleotide levels, which may facilitate vascular dilation and further HbF… Show more

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