ArticleHaematologica2023
Reticulocytes in donor blood units enhance red blood cell alloimmunization.
Article in Haematologica, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed, 19 citations in OpenAlex.
- Targeting erythroid cell-derived asparagine inhibits alloimmunization in sickle cell disease.Blood advances · 2026Article
- Global Prevalence of Alloimmunization in Adults with Sickle Cell Disease Receiving Red Blood Cell Transfusions: A Systematic Review and Meta-Analysis.Journal of clinical medicine · 2026Review
- Tumor-derived DNA drives cancer-associated anemia by promoting reticulocyte clearance.Signal transduction and targeted therapy · 2026Article
- Short- and long-term effects of transfusion in β-thalassemia: a longitudinal study of transfusion efficiency factors.Blood advances · 2026Article
- Red Blood Cell Storage and Post-transfusion Recovery.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Mouse Model of Hemolytic Disease of the Fetus and Newborn.Methods in molecular biology (Clifton, N.J.) · 2026Article
- The Immunology of Transfusion Medicine: Past, Present, and Future.Methods in molecular biology (Clifton, N.J.) · 2026Review
- Murine Models of Transfusion-Induced Red Blood Cell Alloimmunization.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Determining the Binding Affinity in Monoclonal Antibody-Alloantigen Interactions.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Examining Inflammatory Effects of Reticulocyte Erythrophagocytosis in Human Macrophage Cultures.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Use of Microbial Microarrays to Define Antibody Specificity.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Defining the Specificity of Blood-Group-Binding Lectins Through Microarray Analysis.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Anemia and Transfusion in Preclinical Models of Neonatology.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Analysis of Erythrocyte Membrane Alloantigens.Methods in molecular biology (Clifton, N.J.) · 2026Article
- From metabolomics to transfusion-associated immunomodulation.Current opinion in immunology · 2025Review
- IgG2b enhances alloantibodies to stored red blood cells.Transfusion · 2025Article
- Unraveling the role of blood cell perturbation responses in lung cancer by Mendelian randomization.Discover oncology · 2025Article
- The involvement of mitochondria in erythrocyte pathology and diseases: from mechanisms to therapeutic strategies.Clinical and experimental medicine · 2025Review
- Red blood cell metabolism: a window on systems health towards clinical metabolomics.Current opinion in hematology · 2025Review
- Molecular advances in transfusion medicine: a narrative review.Frontiers in medicine · 2025Review
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Authors and funding
13 authors at 4 institutions in 2 countries.
Funding
Abstract
Although red blood cell (RBC) transfusions save lives, some patients develop clinically-significant alloantibodies against donor blood group antigens, which then have adverse effects in multiple clinical settings. Few effective measures exist to prevent RBC alloimmunization and/or eliminate alloantibodies in sensitized patients. Donor-related factors may influence alloimmunization; thus, there is an unmet clinical need to identify which RBC units are immunogenic. Repeat volunteer blood donors and donors on iron supplements have elevated reticulocyte counts compared to healthy non-donors. Early reticulocytes retain mitochondria and other components, which may act as danger signals in immune responses. Herein, we tested whether reticulocytes in donor RBC units could enhance RBC alloimmunization. Using a murine model, we demonstrate that transfusing donor RBC units with increased reticulocyte frequencies dose-dependently increased RBC alloimmunization rates and alloantibody levels. Transfusing reticulocyte-rich RBC units was associated with increased RBC clearance from the circulation and a robust proinflammatory cytokine response. As compared to previously reported post-transfusion RBC consumption patterns, erythrophagocytosis from reticulocyte-rich units was increasingly performed by splenic B cells. These data suggest that reticulocytes in a donated RBC unit impact the quality of blood transfused, are targeted to a distinct compartment, and may be an underappreciated risk factor for RBC alloimmunization.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.