Abstract
Hemolytic anemia (HA) is characterized by massive destruction of red blood cells (RBCs) and insufficient oxygen supply, which can lead to shock, organ failure, even death. Recent studies have preliminarily demonstrated the therapeutic effectiveness of whole blood exchange (WBE) in the management of acute hemolytic anemia and exhibited potential for reducing the duration of corticosteroid treatment, while the underlying mechanism of WBE therapy was not investigated in preclinical study. Hence, we investigate the therapeutic mechanisms of WBE in HA through established continued WBE therapy in rats creatively. This study aims to examine the mechanism of WBE on phenylhydrazine hydrochloride-induced hemolytic anemia in SD rats to aid the development of therapeutics for drug-induced hemolytic anemia (DIHA). Research results demonstrated the efficacy of WBE therapy in reducing mortality and ameliorating anemia in DIHA, as evidenced by significant improvements in representative hematological parameters such as RBCs, hemoglobin, and lactate dehydrogenase levels. Additionally, WBE indicated the ability to suppress oxidative stress and inflammation, and it mitigated organ damage and biochemical function by stabilizing hepatic ferroportin levels and decreasing organ iron content. These results highlighted the effectiveness of WBE as an innovative treatment for HA, furnishing evidence to prioritize it over traditional blood transfusion for severe anemias.
Published Version
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