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Sun Q, Karafin MS, Garrett ME, Li Y, Ashley-Koch A, Telen MJ. A genome-wide association study of alloimmunization in the TOPMed OMG-SCD cohort identifies a locus on chromosome 12. Transfusion 2024. [PMID: 38966903 DOI: 10.1111/trf.17944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 06/10/2024] [Accepted: 06/20/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND Red cell alloimmunization after exposure to donor red cells is a very common complication of transfusion for patients with sickle cell disease (SCD), resulting frequently in accelerated donor red blood cell destruction. Patients show substantial differences in their predisposition to alloimmunization, and genetic variability is one proposed component. Although several genetic association studies have been conducted for alloimmunization, the results have been inconsistent, and the genetic determinants of alloimmunization remain largely unknown. STUDY DESIGN AND METHODS We performed a genome-wide association study (GWAS) in 236 African American (AA) SCD patients from the Outcome Modifying Genes in Sickle Cell Disease (OMG-SCD) cohort, which is part of Trans-Omics for Precision Medicine (TOPMed), with whole-genome sequencing data available. We also performed sensitivity analyses adjusting for different sets of covariates and applied different sample grouping strategies based on the number of alloantibodies patients developed. RESULTS We identified one genome-wide significant locus on chr12 (p = 3.1e-9) with no evidence of genomic inflation (lambda = 1.003). Further leveraging QTL evidence from GTEx whole blood and/or Jackson Heart Study PBMC RNA-Seq data, we identified a number of potential genes, such as ARHGAP9, STAT6, and ATP23, that may be driving the association signal. We also discovered some suggestive loci using different analysis strategies. DISCUSSION We call for the community to collect additional alloantibody information within SCD cohorts to further the understanding of the genetic basis of alloimmunization in order to improve transfusion outcomes.
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Affiliation(s)
- Quan Sun
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Matthew S Karafin
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Melanie E Garrett
- Duke Molecular Physiology Institute, Duke University Medical Center, Durham, North Carolina, USA
| | - Yun Li
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Allison Ashley-Koch
- Duke Molecular Physiology Institute, Duke University Medical Center, Durham, North Carolina, USA
| | - Marilyn J Telen
- Division of Hematology, Department of Medicine, Duke Comprehensive Sickle Cell Center, Duke University Medical Center, Durham, North Carolina, USA
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Kong Y, Xiao J, Tian L, Xu Y. The influence of HLA allele and haplotype on RhE alloimmunization among pregnant females in the Chinese Han population. Vox Sang 2024; 119:737-744. [PMID: 38637118 DOI: 10.1111/vox.13641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 03/26/2024] [Accepted: 04/05/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND AND OBJECTIVES Anti-E alloantibody is the most common and important red blood cell (RBC) alloantibody during pregnancy. The study aimed to determine the correlation between RhE alloimmunization and human leukocyte antigen (HLA) allele polymorphism, as well as haplotype diversity, among pregnant individuals in the Chinese Han population. STUDY DESIGN AND METHODS All individuals included in our study were RhE-negative pregnant women of Chinese Han ethnicity, confirmed through serological testing. Pregnancy could be the only potential stimulating factor in RBC alloimmunization. Given the serological testing, the participants were divided into anti-E (responders) and non-anti-E-producing group (non-responders). The class I and II classical HLA genotyping were determined using next-generation sequencing, and the HLA genotype and haplotype frequencies were compared between the responders and non-responders. RESULTS In total, 76 responders and 94 non-responders were enrolled in this study. Comparison results showed that all HLA class I alleles had no difference between the two groups. For HLA class II phenotypes, responders had higher frequencies of HLA-DRB1*09:01, HLA-DQA1*03:02 and HLA-DQB1*03:03 phenotypes than non-responders, and the differences were statistically significant (pc < 0.05). In addition, the haplotype frequency of HLA-DRB1*09:01-DQA1*03:02-DQB1*03:03 in the RhE responders was significantly higher than in the non-responders (31.58% vs. 12.77%; odds ratio, 3.154; 95% confidence interval, 1.823-5.456; pc value, 1.25 × 10-3). CONCLUSION Our findings indicated that HLA-DRB1*09:01, HLA-DQA1*03:02 and HLA-DQB1*03:03 might be susceptible alleles for RhE alloimmunization among Chinese Han pregnant females. These three susceptible alleles constituted the unique three-locus haplotype in the RhE responders and collaborated to RhE alloimmunization.
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Affiliation(s)
- Yujie Kong
- Department of Laboratory, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
- School of Clinical Medicine, Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
| | - Jie Xiao
- Sichuan Provincial Maternity and Child Health Care Hospital, Chengdu, Sichuan, People's Republic of China
- The Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
| | - Li Tian
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, Sichuan Province, People's Republic of China
- Key Laboratory of Transfusion Adverse Reactions, CAMS, Chengdu, Sichuan Province, People's Republic of China
| | - Ying Xu
- Department of Laboratory, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
- School of Clinical Medicine, Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
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'Adani SN, Mohd Ashari NS, Johan MF, Edinur HA, Mohd Noor NH, Hassan MN. Red Blood Cell Alloimmunization in Pregnancy: A Review of the Pathophysiology, Prevalence, and Risk Factors. Cureus 2024; 16:e60158. [PMID: 38868295 PMCID: PMC11167514 DOI: 10.7759/cureus.60158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2024] [Indexed: 06/14/2024] Open
Abstract
This review paper provides an overview of the risk factors and laboratory testing for red blood cell (RBC) alloimmunization in pregnancy. RBC alloimmunization is a significant medical issue that can cause haemolytic disease of the fetus and newborn (HDFN), leading to neonatal morbidity and mortality. Current HDFN prophylaxis targets only Rhesus D (RhD) alloimmunization, with no effective measures to prevent alloimmunization to other RBC antigen groups. Several factors can increase the risk of developing RBC alloimmunization during pregnancy, including fetomaternal haemorrhage, RBC and maternal genetic status, and previous transfusions. Identifying these risk factors is essential to execute the appropriate management strategies to minimize the risk of HDFN. The review also discusses the laboratory methods and overview of pregnancy management. The paper highlights the importance of identifying and managing the risk factors for RBC alloimmunization in pregnancy to minimize the risk of HDFN and improve neonatal outcomes.
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Affiliation(s)
- Sanusi Nurul 'Adani
- Hematology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, MYS
| | | | - Muhammad Farid Johan
- Hematology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, MYS
| | - Hisham Atan Edinur
- Forensic Programme, School of Health Sciences, Universiti Sains Malaysia, Kota Bharu, MYS
| | | | - Mohd Nazri Hassan
- Hematology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, MYS
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Carpenter MC, Souter SC, Zipkin RJ, Ackerman ME. Current Insights Into K-associated Fetal Anemia and Potential Treatment Strategies for Sensitized Pregnancies. Transfus Med Rev 2024; 38:150779. [PMID: 37926651 PMCID: PMC10856777 DOI: 10.1016/j.tmrv.2023.150779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/21/2023] [Accepted: 09/27/2023] [Indexed: 11/07/2023]
Abstract
K-associated anemic disease of the fetus and newborn (K-ADFN) is a rare but life-threatening disease in which maternal alloantibodies cross the placenta and can mediate an immune attack on fetal red blood cells expressing the K antigen. A considerably more common disease, D-associated hemolytic disease of the fetus and newborn (D-HDFN), can be prophylactically treated using polyclonal α-D antibody preparations. Currently, no such prophylactic treatment exists for K-associated fetal anemia, and disease is usually treated with intrauterine blood transfusions. Here we review current understanding of the biology of K-associated fetal anemia, how the maternal immune system is sensitized to fetal red blood cells, and what is understood about potential mechanisms of prophylactic HDFN interventions. Given the apparent challenges associated with preventing alloimmunization, we highlight novel strategies for treating sensitized mothers to prevent fetal anemia that may hold promise not only for K-mediated disease, but also for other pathogenic alloantibody responses.
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Affiliation(s)
| | | | | | - Margaret E Ackerman
- Thayer School of Engineering, Dartmouth College, Hanover, NH, USA; Geisel School of Medicine at Dartmouth, Lebanon, NH, USA.
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Chang DY, Wankier Z, Arthur CM, Stowell SR. The ongoing challenge of RBC alloimmunization in the management of patients with sickle cell disease. Presse Med 2023; 52:104211. [PMID: 37981194 DOI: 10.1016/j.lpm.2023.104211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2023] Open
Abstract
RBC transfusion remains a cornerstone in the treatment of sickle cell disease (SCD). However, as with many interventions, transfusion of RBCs is not without risk. Allogeneic RBC exposure can result in the development of alloantibodies, which can make it difficult to find compatible RBCs for future transfusion and increases the likelihood of life-threatening complications. The development of RBC alloantibodies occurs when a patient's immune system produces alloantibodies against foreign alloantigens present on RBCs. Despite its longstanding recognition, RBC alloimmunization has increasingly become a challenge when caring for patients with SCD. The growing prominence of alloimmunization can be attributed to several factors, including expanded indications for transfusions, increased lifespan of patients with SCD, and inadequate approaches to prevent alloimmunization. Recognizing these challenges, recent observational studies and preclinical models have begun to elucidate the immune pathways that underpin RBC alloimmunization. These emerging data hold promise in paving the way for innovative prevention strategies, with the goal of increasing the safety and efficacy of RBC transfusion in patients with SCD who are most vulnerable to alloimmunization.
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Affiliation(s)
- Daniel Y Chang
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Zakary Wankier
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Connie M Arthur
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Sean R Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States.
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Thomas TA, Qiu A, Kim CY, Gordy DE, Miller A, Tredicine M, Dzieciatkowska M, Dei Zotti F, Hod EA, D'Alessandro A, Zimring JC, Spitalnik SL, Hudson KE. Reticulocytes in donor blood units enhance red blood cell alloimmunization. Haematologica 2023; 108:2639-2651. [PMID: 37078267 PMCID: PMC10543191 DOI: 10.3324/haematol.2023.282815] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/12/2023] [Indexed: 04/21/2023] Open
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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Affiliation(s)
- Tiffany A Thomas
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Annie Qiu
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Christopher Y Kim
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Dominique E Gordy
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Anabel Miller
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Maria Tredicine
- Department of Translational Medicine and Surgery, Section of General Pathology, Università Cattolica del Sacro Cuore, Rome
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
| | - Flavia Dei Zotti
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Eldad A Hod
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
| | - James C Zimring
- University of Virginia School of Medicine, Charlottesville, VA, USA; Carter Immunology Center, University of Virginia, Charlottesville, VA
| | - Steven L Spitalnik
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Krystalyn E Hudson
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY.
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Pirenne F, Floch A, Diop S. Alloimmunisation against red blood cells in sickle cell disease: transfusion challenges in high-income and low-income countries. Lancet Haematol 2023:S2352-3026(23)00066-2. [PMID: 37060916 DOI: 10.1016/s2352-3026(23)00066-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/10/2023] [Accepted: 02/16/2023] [Indexed: 04/17/2023]
Abstract
Sickle cell disease is the most frequent inherited disorder in sub-Saharan Africa and in many high-income countries (HICs). Transfusion is a key element of treatment, but it results in high rates of alloimmunisation against red blood cell antigens and post-transfusion haemolysis, which can be life-threatening in severe cases. The prevention of alloimmunisation is, therefore, an important issue in both HICs and in low-income countries (LICs). In HICs, the main reason for high alloimmunisation rates is blood group disparity between blood donors, who are mostly of European descent, and the patients, who are mostly of African descent. However, alloimmunisation rates also remain high in sub-Saharan Africa despite the homogeneity of blood group antigen frequencies between donors and patients; this occurrence is probably due to matching strategies limited to ABO blood group and RhD. However, other possible underlying causes of alloimmunisation have also been suggested, with each cause affecting HICs and LICs in different ways-eg, the immunogenetic and inflammatory status of the patient and the characteristics of the red blood cell products. In this Viewpoint, we discuss the available data and hypotheses that potentially account for the association of sickle cell disease with high rates of alloimmunisation in both settings, HICs and LICs (focusing particularly on sub-Saharan Africa), and the challenges faced by HICs and LICs to improve prevention of alloimmunisation.
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Affiliation(s)
- France Pirenne
- Transfusion and Red Blood Cell Diseases, INSERM U955, The Mondor Institute for Biomedical Research, University Paris-Est Créteil, Paris, France; Établissement Français du Sang Ile de France, Paris, France.
| | - Aline Floch
- Transfusion and Red Blood Cell Diseases, INSERM U955, The Mondor Institute for Biomedical Research, University Paris-Est Créteil, Paris, France; Établissement Français du Sang Ile de France, Paris, France
| | - Saliou Diop
- Department of Haematology, National Center Transfusion Sanguine, Cheikh Anta Diop University, Dakar, Senegal
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Maier CL, Jajosky RP, Patel SR, Verkerke HP, Fuller MD, Allen JW, Zerra PE, Fasano RM, Chonat S, Josephson CD, Gibb DR, Eisenbarth SC, Luckey CJ, Hudson KE, Hendrickson JE, Arthur CM, Stowell SR. Storage differentially impacts alloimmunization to distinct red cell antigens following transfusion in mice. Transfusion 2023; 63:457-462. [PMID: 36708051 PMCID: PMC10414794 DOI: 10.1111/trf.17251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 01/29/2023]
Abstract
INTRODUCTION The impact of blood storage on red blood cell (RBC) alloimmunization remains controversial, with some studies suggesting enhancement of RBC-induced alloantibody production and others failing to observe any impact of storage on alloantibody formation. Since evaluation of storage on RBC alloimmunization in patients has examined antibody formation against a broad range of alloantigens, it remains possible that different clinical outcomes reflect a variable impact of storage on alloimmunization to specific antigens. METHODS RBCs expressing two distinct model antigens, HEL-OVA-Duffy (HOD) and KEL, separately or together (HOD × KEL), were stored for 0, 8, or 14 days, followed by detection of antigen levels prior to transfusion. Transfused donor RBC survival was assessed within 24 h of transfusion, while IgM and IgG antibody production were assessed 5 and 14 days after transfusion. RESULTS Stored HOD or KEL RBCs retained similar HEL or KEL antigen levels, respectively, as fresh RBCs, but did exhibit enhanced RBC clearance with increased storage age. Storage enhanced IgG antibody formation against HOD, while the oppositive outcome occurred following transfusion of stored KEL RBCs. The distinct impact of storage on HOD or KEL alloimmunization did not appear to reflect intrinsic differences between HOD or KEL RBCs, as transfusion of stored HOD × KEL RBCs resulted in increased IgG anti-HOD antibody development and reduced IgG anti-KEL antibody formation. CONCLUSIONS These data demonstrate a dichotomous impact of storage on immunization to distinct RBC antigens, offering a possible explanation for inconsistent clinical experience and the need for additional studies on the relationship between RBC storage and alloimmunization.
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Affiliation(s)
- Cheryl L. Maier
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ryan P. Jajosky
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Seema R. Patel
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Hans P. Verkerke
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Megan D. Fuller
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Jerry William Allen
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Patricia E. Zerra
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ross M. Fasano
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Satheesh Chonat
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Cassandra D. Josephson
- Center for Transfusion Medicine and Cellular Therapies, Emory University School of Medicine, Atlanta, Georgia, USA
| | - David R. Gibb
- Cedars-Sinai Medical Center, Department of Pathology and Laboratory Medicine, Los Angeles, California, USA
| | | | - C. John Luckey
- Department of Pathology, University of Virginia, Charlottesville, Virginia, USA
| | - Krystalyn E. Hudson
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Jeanne E. Hendrickson
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Connie M. Arthur
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
- Harvard Glycomics Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Sean R. Stowell
- Joint Program in Transfusion Medicine, Department of Pathology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
- Harvard Glycomics Center, Harvard Medical School, Boston, Massachusetts, USA
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Wabnitz H, Cruz-Leal Y, Lazarus AH. Antigen-specific IgG subclass composition in recipient mice can indicate the degree of red blood cell alloimmunization as well as discern between primary and secondary immunization. Transfusion 2023; 63:619-628. [PMID: 36591986 DOI: 10.1111/trf.17232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 12/05/2022] [Accepted: 12/05/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND Despite the vast antigen disparity between donor and recipient red blood cells (RBCs), only 2%-6% of transfusion patients mount an alloantibody response. Recently, RBC antigen density has been proposed as one of the factors that can influence alloimmunization, however, there has been no characterization of the role of antigen density along with RBC dose in primary and secondary immunization. STUDY DESIGN AND METHODS To generate RBCs that express distinct antigen copy numbers, different quantities of hen egg lysozyme (HEL) were coupled to murine RBCs. The HEL-RBCs were subsequently transfused into recipient mice at different RBC doses and their HEL-specific IgM, IgG, and IgG subclass response was evaluated. RESULTS Productive immune responses could be generated through a high copy number antigen transfused at low RBC doses or a low copy number transfused at high RBC doses. Further, primary but submaximal humoral immunization predominantly induced the IgG2b and IgG3 subclasses. In contrast, a maximal primary immunization or a secondary immunization induced all four IgG subclasses. DISCUSSION Our results confirm the existence of an antigen threshold for productive immune responses but indicate that a high antigen copy number alone might not be enough to induce a response, but rather a combination of both antigen copy number and cell dosage may determine the outcome of immunization. Further, this study provides a proof of concept that the IgG subclass composition can be an indicator of the level of RBC alloimmunization as well as discern between primary and secondary immunization at least in this murine model.
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Affiliation(s)
- Hanna Wabnitz
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Yoelys Cruz-Leal
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
- Innovation and Portfolio Management, Canadian Blood Services, Ottawa, Ontario, Canada
| | - Alan H Lazarus
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Innovation and Portfolio Management, Canadian Blood Services, Ottawa, Ontario, Canada
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada
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10
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Jacobs JW, Binns TC, Abels E, Iyer K, Figueroa Villalba CA, Verma A, Sostin N, Tormey CA. Alloimmunization following antigen-negative red blood cell transfusion. Transfusion 2023; 63:430-434. [PMID: 36458330 DOI: 10.1111/trf.17208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/13/2022] [Accepted: 11/13/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Red blood cell (RBC) alloimmunization can occur secondary to transfusion or pregnancy. It is observed most frequently among patients with hemoglobinopathies and myeloid neoplasms. Although previous antigen exposure is generally required for alloimmunization, some alloantibodies may develop naturally without prior exposure. Other alloantibodies may become evanescent, only to reemerge at a detectable titer following a stimulatory event. In a minute fraction of cases, 'non-naturally occurring' alloantibodies may appear without a known antigenic stimulus. METHODS AND MATERIALS All testing (antibody detection tests and identification, antigen phenotyping, and crossmatching) was performed using the same method and reagents, but occurred at two hospitals within the Yale New Haven Hospital delivery network, and was performed by technologists utilizing different instruments and reagent lots. RESULTS We present two cases of seemingly de novo alloimmunization (anti-E and anti-K), and one case of re-emergence of a known, previously evanescent alloantibody (anti-K) following transfusion of RBCs that were antigen-negative for the corresponding antibodies. CONCLUSION While the exact mechanism underlying the development and/or re-emergence of RBC alloantibodies in the absence of antigenic stimulation remains unclear, these cases highlight this unusual phenomenon, underscoring the general immunogenicity, as well as the potential consequences, of RBC transfusion and reiterates the importance of concluding an alloantibody specificity, even in the absence of known transfusion of RBCs with a particular antigen.
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Affiliation(s)
- Jeremy W Jacobs
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Thomas C Binns
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Elizabeth Abels
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Krishna Iyer
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA.,Department of Pathology, Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Anuj Verma
- Department of Pathology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Nataliya Sostin
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Christopher A Tormey
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
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11
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Thomas TA, Qiu A, Kim CY, Gordy DE, Miller A, Tredicine M, Dzieciatkowska M, Zotti FD, Hod EA, Dâ Alessandro A, Zimring JC, Spitalnik SL, Hudson KE. Reticulocytes in donor RBC units enhance RBC alloimmunization. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.25.525560. [PMID: 36747702 PMCID: PMC9900826 DOI: 10.1101/2023.01.25.525560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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 increase 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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12
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Garraud O, Chiaroni J. An overview of red blood cell and platelet alloimmunisation in transfusion. Transfus Clin Biol 2022; 29:297-306. [PMID: 35970488 DOI: 10.1016/j.tracli.2022.08.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Post-transfusion alloimmunisation is the main complication of all those observed after one or more transfusion episodes. Alloimmunisation is observed after the transfusion of red blood cell concentrates but also of platelet concentrates. Besides alloimmunisation due to antigens carried almost exclusively by red blood cells such as those of the Rhesus-Kell system, alloimmunisation often raises against HLA antigens; the main responsibility for that, apart from platelet transfusions, lies with residual leukocytes in the products transfused, hence the central importance of effective leukoreduction right from the blood product preparation stage. Alloimmunization is not restricted to transfusion, but it is also observed during pregnancies, carrying out microtransfusions of blood from the fetus immunizing the mother through the placenta (in a retrograde way). Preexisting maternal-fetal immunization can complicate a transfusion program and intensify the creation of alloantibodies in several blood and tissue group systems. The occurrence of autoantibodies, created by several pathogenic reasons, can also interfere with the propensity of certain recipients of blood components to produce alloantibodies. The genetic condition of individuals is in fact strongly linked to the ability or not to recognize antigenic variants foreign to their own biological program and mount an alloimmune response. Some hemoglobin diseases, in carriers of which transfusions can be iterative and lifelong, are complicated by frequent alloimmunizations and amplification of the complications of these alloimmunizations, imposing even stricter transfusion rules. This review details the mechanisms favoring the occurrence of alloimmunization and the immunological principles for the production of molecular and cellular tools for alloimmunization. It concludes with the main preventive measures available to limit the occurrence of these frequent complications of varying severity but sometimes severe.
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Affiliation(s)
- Olivier Garraud
- Sainbiose-Inserm_U1059, Faculty of Medicine, University of Saint-Etienne, Saint-Etienne, France.
| | - Jacques Chiaroni
- Etablissement Français du Sang Provence-Alpes-Côte d'Azur-Corse, 13005 Marseille, France; Biologie des Groupes Sanguins, EFS, CNRS, ADES, Aix Marseille University, 13005 Marseille, France
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13
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Moriconi C, Dzieciatkowska M, Roy M, D'Alessandro A, Roingeard P, Lee JY, Gibb DR, Tredicine M, McGill MA, Qiu A, La Carpia F, Francis RO, Hod EA, Thomas T, Picard M, Akpan IJ, Luckey CJ, Zimring JC, Spitalnik SL, Hudson KE. Retention of functional mitochondria in mature red blood cells from patients with sickle cell disease. Br J Haematol 2022; 198:574-586. [PMID: 35670632 PMCID: PMC9329257 DOI: 10.1111/bjh.18287] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/26/2022] [Accepted: 05/17/2022] [Indexed: 01/07/2023]
Abstract
Sickle cell disease (SCD) is an inherited blood disorder characterized by sickled red blood cells (RBCs), which are more sensitive to haemolysis and can contribute to disease pathophysiology. Although treatment of SCD can include RBC transfusion, patients with SCD have high rates of alloimmunization. We hypothesized that RBCs from patients with SCD have functionally active mitochondria and can elicit a type 1 interferon response. We evaluated blood samples from more than 100 patients with SCD and found elevated frequencies of mitochondria in reticulocytes and mature RBCs, as compared to healthy blood donors. The presence of mitochondria in mature RBCs was confirmed by flow cytometry, electron microscopy, and proteomic analysis. The mitochondria in mature RBCs were metabolically competent, as determined by enzymatic activities and elevated levels of mitochondria-derived metabolites. Metabolically-active mitochondria in RBCs may increase oxidative stress, which could facilitate and/or exacerbate SCD complications. Coculture of mitochondria-positive RBCs with neutrophils induced production of type 1 interferons, which are known to increase RBC alloimmunization rates. These data demonstrate that mitochondria retained in mature RBCs are functional and can elicit immune responses, suggesting that inappropriate retention of mitochondria in RBCs may play an underappreciated role in SCD complications and be an RBC alloimmunization risk factor.
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Affiliation(s)
- Chiara Moriconi
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | - Micaela Roy
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | - Philippe Roingeard
- INSERM U1259 and Electron Microscopy Facility, Université de Tours and CHRU de Tours, Tours, France
| | - June Young Lee
- Department of Pathology and Laboratory Medicine, Division of Transfusion Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - David R Gibb
- Department of Pathology and Laboratory Medicine, Division of Transfusion Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Maria Tredicine
- Department of Translational Medicine and Surgery, Section of General Pathology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Marlon A McGill
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Irving Medical Center, New York City, New York, USA
| | - Annie Qiu
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Francesca La Carpia
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Richard O Francis
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Eldad A Hod
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Tiffany Thomas
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Martin Picard
- Department of Psychiatry, Division of Behavioral Medicine, Columbia University Irving Medical Center, New York City, New York, USA
| | - Imo J Akpan
- Division of Hematology/Oncology, Department of Medicine, Columbia University Irving Medical Center, New York City, New York, USA
| | - Chance John Luckey
- Department of Pathology, University of Virginia, Charlottesville, Virginia, USA
| | - James C Zimring
- University of Virginia School of Medicine, Charlottesville, Virginia, USA.,Carter Immunology Center, University of Virginia, Charlottesville, Virginia, USA
| | - Steven L Spitalnik
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
| | - Krystalyn E Hudson
- Laboratory of Transfusion Biology, Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, New York, USA
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14
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Mezginejad F, Anani Sarab GR, Atarodi K, Oodi A, Azarkeivan A. Prognostic Value Evaluation of HLA-DRB1*07:01, *10, *12, *13:01 Alleles for Alloimmunization in Transfusion-Dependent Thalassemia. Transfus Apher Sci 2021; 60:103271. [PMID: 34535395 DOI: 10.1016/j.transci.2021.103271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/28/2021] [Accepted: 09/05/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Transfusion is a lifesaving treatment for lots of patients. However, in chronic blood recipients such as thalassemia patients, there are high concerns about alloantibody production that affects the quality of their life. Therefore, research on risk factors of alloimmunization has been started and followed. This study aimed at the determination of correlation probability between some HLADRB1 alleles and alloimmunization in Iranian thalassemia patients. MATERIALS AND METHODS The present study was conducted on 60 alloimmunized and 60 non-alloimmunized transfusion-dependent thalassemia patients. Antibody screening and identification tests were carried out using the tube method, and HLA-DRB1 genotyping was done using a single specific primer-polymerase chain reaction (PCRSSP). RESULTS The results of antibody screening showed that the most prevalent alloantibodies were Anti-K (46.7 %), and followed by Anti-E (32.5 %), Anti-C (15.8 %), Anti-D (13.3 %), Anti-e (8 %), and Anti-c (5.8 %), respectively. DRB1*07:01 was detected more in non-responder patients (28.3 %). However, data analysis showed that there is no significant relationship between DRB1*07:01, *10, *13:01 frequency among responder and non-responder groups (p = 0·195, 0.648, 0.402, respectively). There was not any significant correlation between HLA-DRB1*10 and *13:01 allele and alloimmunization. There was a significant association between HLA-DRB1*12 and alloimmunization (p < 0·05, OR = 2.071, CI: 1.716-2.501). CONCLUSION The findings of this study represented that there is a significant relationship between HLADRB1*12 and Kell and E alloantibodies. Although more developed studies on other HLA alleles are demanded, these findings can be valuable in determining important alloimmunization risk factors to better management of transfusion complications.
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Affiliation(s)
- Fatemeh Mezginejad
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | | | - Kamran Atarodi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Arezoo Oodi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Azita Azarkeivan
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran..
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15
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Gerritsma JJ, Oomen I, Meinderts S, van der Schoot CE, Biemond BJ, van der Bom JG, Fijnvandraat K. Back to base pairs: What is the genetic risk for red bloodcell alloimmunization? Blood Rev 2021; 48:100794. [PMID: 33451870 DOI: 10.1016/j.blre.2020.100794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 11/17/2020] [Accepted: 12/24/2020] [Indexed: 01/05/2023]
Abstract
Red blood cell (RBC) alloimmunization is a serious complication of blood transfusions, challenging selection of compatible units for future transfusions. Genetic characteristics may be associated with the risk of RBC alloimmunization and may therefore serve to identify high-risk patients. The aim of this systematic review was to summarize the available evidence on genetic risk factors for RBC alloimmunization. Electronic databases were searched up to April 2020 for studies (Search terms included transfusion, alloimmunization and genetic). A total of 2581 alloimmunized cases and 26,558 controls were derived from 24 studies. The alleles that were most frequently studied and that demonstrated significant associations in a meta-analysis with alloimmunization to the Duffya antigen were HLA-DRB1*04 (Odds Ratio 7.80 (95%CI 4.57-13.33)), HLA-DRB1*15 (OR 3.76 (95%CI 2.14-6.59)), and HLA-DRB1*03 (OR 0.12 (95%CI 0.05-0.29)). Furthermore, significant associations with anti-K formation was found for the alleles HLA-DRB1*10 (OR 2.64 (95%CI 1.41-4.95)), HLA*DRB1*11 (OR 2.11, (95%CI 1.34-3.32)), and HLA-DRB1*13 (OR 1.71 (95%CI 1.26-2.33)). Overall, the available evidence was of moderate to low quality, hampering interpretation of reported results. There is an urgent need for high quality evidence on genetic risk factors for RBC alloimmunization.
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Affiliation(s)
- J J Gerritsma
- Amsterdam UMC, University of Amsterdam, Emma Children's Hospital, Pediatric Hematology, Amsterdam, the Netherlands; Sanquin Research and Landsteiner Laboratory, Immunopathology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.
| | - I Oomen
- Amsterdam UMC, University of Amsterdam, Emma Children's Hospital, Pediatric Hematology, Amsterdam, the Netherlands.
| | - S Meinderts
- Sanquin Research and Landsteiner Laboratory, Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - C E van der Schoot
- Sanquin Research and Landsteiner Laboratory, Experimental Immunohematology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.
| | - B J Biemond
- Amsterdam UMC, University of Amsterdam, Department of Hematology, Amsterdam, the Netherlands.
| | - J G van der Bom
- Sanquin/LUMC, Center for Clinical Transfusion Research, Leiden, the Netherlands.
| | - K Fijnvandraat
- Amsterdam UMC, University of Amsterdam, Emma Children's Hospital, Pediatric Hematology, Amsterdam, the Netherlands; Leiden University Medical Center, Department of Clinical Epidemiology, Leiden, the Netherlands.
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16
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Lee JY, Madany E, El Kadi N, Pandya S, Ng K, Yamashita M, Jefferies CA, Gibb DR. Type 1 Interferon Gene Signature Promotes RBC Alloimmunization in a Lupus Mouse Model. Front Immunol 2020; 11:584254. [PMID: 33101313 PMCID: PMC7546415 DOI: 10.3389/fimmu.2020.584254] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 09/03/2020] [Indexed: 11/28/2022] Open
Abstract
Red blood cell (RBC) transfusion exposes recipients to hundreds of unmatched minor RBC antigens. This exposure can lead to production of alloantibodies that promote clinically significant hemolytic events. Multiple studies have reported an increased frequency of RBC alloimmunization in patients with autoimmunity. However, cellular and molecular mechanisms that underlie autoimmunity-induced alloimmunization have not been reported. Patients with systemic lupus erythematosus (SLE) have a high frequency of alloimmunization and express a type 1 interferon (IFNα/β) gene signature. Thus, we utilized the pristane-induced lupus mouse model to test the hypothesis that inflammation in lupus promotes RBC alloimmunization, and to examine the potential role of IFNα/β. Intraperitoneal injection of pristane, a hydrocarbon oil, led to autoantibody production, glomerulonephritis, and pulmonary hemorrhage in wild type (WT) mice. Pristane treatment significantly induced serum IFNα and expression of multiple interferon-stimulated genes (ISGs) in peripheral blood and peritoneal fluid cells, including inflammatory macrophages. Following transfusion with allogeneic RBCs expressing the KEL glycoprotein, pristane-treated WT mice produced significantly elevated levels of anti-KEL IgM and anti-KEL IgG, compared to untreated mice. Pristane induced comparable levels of inflammatory cells and cytokines in mice lacking the IFNα/β receptor (IFNAR1-/-) or the IFNα/β-inducing transcriptions factors (IRF3/7-/-), compared to WT mice. However, pristane-treated IFNAR1-/- and IRF3/7-/- mice failed to produce ISGs and produced significantly lower levels of transfusion-induced anti-KEL IgG, compared to WT mice. Thus, pristane induction of a lupus-like phenotype promoted alloimmunization to the KEL RBC antigen in an IFNα/β-dependent manner. To our knowledge, this is the first examination of molecular mechanisms contributing to RBC alloimmunization in a model of autoimmunity. These results warrant further investigation of the role of IFNα/β in alloimmunization to other RBC antigens and the contribution of the IFNα/β gene signature to the elevated frequency of alloimmunization in patients with SLE.
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Affiliation(s)
- June Young Lee
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Emaan Madany
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Najwa El Kadi
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Sumaarg Pandya
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Kessandra Ng
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Michifumi Yamashita
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Caroline A. Jefferies
- Department of Internal Medicine, Division of Rheumatology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - David R. Gibb
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
- Division of Transfusion Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, United States
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17
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Nikitin MP, Zelepukin IV, Shipunova VO, Sokolov IL, Deyev SM, Nikitin PI. Enhancement of the blood-circulation time and performance of nanomedicines via the forced clearance of erythrocytes. Nat Biomed Eng 2020; 4:717-731. [PMID: 32632229 DOI: 10.1038/s41551-020-0581-2] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 06/05/2020] [Indexed: 12/14/2022]
Abstract
The rapid elimination of nanoparticles from the bloodstream by the mononuclear phagocyte system limits the activity of many nanoparticle formulations. Here, we show that inducing a slight and transient depletion of erythrocytes in mice (~5% decrease in haematocrit) by administrating a low dose (1.25 mg kg-1) of allogeneic anti-erythrocyte antibodies increases the circulation half-life of a range of short-circulating and long-circulating nanoparticle formulations by up to 32-fold. Treatment of the animals with anti-erythrocyte antibodies significantly improved the targeting of CD4+ cells in vivo with fluorescent anti-CD4-antibody-conjugated nanoparticles, the magnetically guided delivery of ferrofluid nanoparticles to subcutaneous tumour allografts and xenografts, and the treatment of subcutaneous tumour allografts with magnetically guided liposomes loaded with doxorubicin and magnetite or with clinically approved 'stealthy' doxorubicin liposomes. The transient and partial blocking of the mononuclear phagocyte system may enhance the performance of a wide variety of nanoparticle drugs.
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Affiliation(s)
| | - Ivan V Zelepukin
- Moscow Institute of Physics and Technology, Moscow, Russia.,Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Victoria O Shipunova
- Moscow Institute of Physics and Technology, Moscow, Russia.,Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Ilya L Sokolov
- Moscow Institute of Physics and Technology, Moscow, Russia
| | - Sergey M Deyev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Petr I Nikitin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow, Russia
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18
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Escamilla-Rivera V, Liu J, Gibb DR, Santhanakrishnan M, Liu D, Forsmo JE, Eisenbarth SC, Foxman EF, Stowell SR, Luckey CJ, Zimring JC, Hudson KE, Hendrickson JE. Poly(I:C) causes failure of immunoprophylaxis to red blood cells expressing the KEL glycoprotein in mice. Blood 2020; 135:1983-1993. [PMID: 32266378 PMCID: PMC7256361 DOI: 10.1182/blood.2020005018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/17/2020] [Indexed: 12/31/2022] Open
Abstract
Polyclonal anti-D (Rh immune globulin [RhIg]) therapy has mitigated hemolytic disease of the newborn over the past half century, although breakthrough anti-D alloimmunization still occurs in some treated females. We hypothesized that antiviral responses may impact the efficacy of immunoprophylaxis therapy in a type 1 interferon (IFN)-dependent manner and tested this hypothesis in a murine model of KEL alloimmunization. Polyclonal anti-KEL immunoprophylaxis (KELIg) was administered to wild-type or knockout mice in the presence or absence of polyinosinic-polycytidilic acid (poly[I:C]), followed by the transfusion of murine red blood cells (RBCs) expressing the human KEL glycoprotein. Anti-KEL alloimmunization, serum cytokines, and consumption of the transfused RBCs were evaluated longitudinally. In some experiments, recipients were treated with type 1 IFN (IFN-α/β). Recipient treatment with poly(I:C) led to breakthrough anti-KEL alloimmunization despite KELIg administration. Recipient CD4+ T cells were not required for immunoprophylaxis efficacy at baseline, and modulation of the KEL glycoprotein antigen occurred to the same extent in the presence or absence of recipient inflammation. Under conditions where breakthrough anti-KEL alloimmunization occurred, KEL RBC consumption by inflammatory monocytes and serum monocyte chemoattractant protein-1 and interleukin-6 were significantly increased. Poly(I:C) or type I IFN administration was sufficient to cause breakthrough alloimmunization, with poly(I:C) inducing alloimmunization even in the absence of recipient type I IFN receptors. A better understanding of how recipient antiviral responses lead to breakthrough alloimmunization despite immunoprophylaxis may have translational relevance to instances of RhIg failure that occur in humans.
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Affiliation(s)
| | - Jingchun Liu
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
| | - David R Gibb
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA
| | | | - Dong Liu
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
| | - James E Forsmo
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA
| | - Stephanie C Eisenbarth
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT
| | - Ellen F Foxman
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT
| | - Sean R Stowell
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA
| | | | - James C Zimring
- Department of Pathology, University of Virginia, Charlottesville, VA
| | - Krystalyn E Hudson
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY; and
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT
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19
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Thibault L, de Grandmont MJ, Cayer MP, Dussault N, Jacques A, Ducas E, Beauséjour A, Lebrun A. Rhesus D Antigenic Determinants on Residual Red Blood Cells in Apheresis and Buffy Coat Platelet Concentrates. Transfus Med Hemother 2020; 47:129-134. [PMID: 32355472 PMCID: PMC7184823 DOI: 10.1159/000501106] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 05/22/2019] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND The level of residual red blood cells (RBCs) in platelet concentrates (PCs) is of interest because of clinical concerns related to alloimmunization to RBC antigens in transfused patients. This work aims at characterizing and quantifying the levels of intact and fragmented RBCs in apheresis (AP-PCs) and buffy coat PCs (BC-PCs) to assess their potential risk for RhD antigen alloimmunization. METHODS After staining with anti-CD41 (platelets) and anti-CD235a (RBCs) antibodies, the size and density of RhD antigen on intact and fragmented RBCs were analyzed by flow cytometry. RESULTS Residual RBC counts were 29 ± 22 × 106/unit in AP-PCs and 121 ± 54 × 106/unit in BC-PCs, which correspond to about 3 and 11 µL of RBCs by product, respectively. RhD expression was about 4 times higher on RBC particles in AP-PCs, and these particles contribute to 66 and 75% of the total antigenic load in BC-PCs and AP-PCs, respectively. CONCLUSIONS Processing methods influence the quantity and nature of contaminating residual RBCs and RBC-derived particles in PCs. The estimation of residual RBCs in these blood products is generally based on measurements of intact RBCs, which might underestimate the risk for alloim-munization in transfused patients. The question of whether these RBC-derived particles can produce an immune response and, thus, should then be taken into consideration for Rh immune prophylactic treatments, remains to be clarified.
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Affiliation(s)
- Louis Thibault
- Héma-Québec, Medical Affairs and Innovation, Québec, Québec, Canada
| | | | | | | | - Annie Jacques
- Héma-Québec, Medical Affairs and Innovation, Québec, Québec, Canada
| | - Eric Ducas
- Héma-Québec, Medical Affairs and Innovation, Québec, Québec, Canada
| | - Annie Beauséjour
- Héma-Québec, Medical Affairs and Innovation, Québec, Québec, Canada
| | - André Lebrun
- Héma-Québec, Medical Affairs and Innovation, Montréal, Québec, Canada
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20
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Balbuena-Merle R, Curtis SA, Devine L, Gibb DR, Karafin MS, Luckey CJ, Tormey CA, Siddon AJ, Roberts JD, Hendrickson JE. Red blood cell alloimmunization is associated with lower expression of FcγR1 on monocyte subsets in patients with sickle cell disease. Transfusion 2019; 59:3219-3227. [PMID: 31355970 PMCID: PMC7075520 DOI: 10.1111/trf.15463] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 05/25/2019] [Accepted: 07/05/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Despite the clinical significance of red blood cell (RBC) alloantibodies, there are currently no laboratory tests available to predict which patients may be at risk of antibody formation after transfusion exposure. Given their phagocytic and inflammatory functions, we hypothesized that differences in circulating monocytes may play a role in alloimmunization. STUDY DESIGN AND METHODS Forty-two adults with sickle cell disease (SCD) were recruited, with data extracted from the electronic medical record and peripheral blood analyzed by flow cytometry for total monocytes, monocyte subsets (CD14 high/CD16 low+ classical monocytes, CD14 high/CD16 high+ intermediate monocytes, and CD14 intermediate/CD16 high+ non-classical/inflammatory monocytes), and FcγR1 (CD64) expression. Thirteen "non-responder" patients (non-alloimmunized patients with documented RBC transfusion at the study institution) were compared to 20 alloimmunized "responder" patients, who had a total of 44 RBC alloantibodies identified. RESULTS There were no significant differences in the percentages of total monocytes, monocyte subsets, or measured cytokines between non-responders and responders. However, non-responders had higher CD64 expression on classical monocytes (MFI mean 3424 ± standard deviation 1141) compared to responders (MFI mean 2285 ± 1501), p = 0.029, and on intermediate monocytes (MFI mean 3720 ± 1191) compared to responders (MFI mean 2497 ± 1640), p = 0.033. CONCLUSIONS Monocytes and the inflammatory milieu increasingly are being appreciated to play a role in some complications of SCD. The differences in FcγR1 expression on monocyte subsets noted between responders and non-responders, which cannot be directly explained by the serum cytokines evaluated, warrant further investigation.
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Affiliation(s)
| | | | - Lesley Devine
- Department of Laboratory Medicine, Yale University, New Haven
| | - David R. Gibb
- Department of Laboratory Medicine, Yale University, New Haven
| | - Matthew S. Karafin
- Medical Sciences Institute, Blood Center of Wisconsin, part of Versiti, Milwaukee, WI
- Department of Pathology, Medical College of Wisconsin, Milwaukee, WI
| | - Chance John Luckey
- Department of Pathology, University of Virginia, Charlottesville, Virginia
| | - Christopher A. Tormey
- Department of Laboratory Medicine, Yale University, New Haven
- VA Connecticut, Pathology and Laboratory Medicine Service, West Haven, Connecticut
| | - Alexa J. Siddon
- Department of Laboratory Medicine, Yale University, New Haven
- VA Connecticut, Pathology and Laboratory Medicine Service, West Haven, Connecticut
- Department of Pathology, Yale University, New Haven
| | | | - Jeanne E. Hendrickson
- Department of Laboratory Medicine, Yale University, New Haven
- Department of Pediatrics, Yale University, New Haven
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21
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Liu D, Gibb DR, Escamilla-Rivera V, Liu J, Santhanakrishnan M, Shi Z, Xu L, Eisenbarth SC, Hendrickson JE. Type 1 IFN signaling critically regulates influenza-induced alloimmunization to transfused KEL RBCs in a murine model. Transfusion 2019; 59:3243-3252. [PMID: 31403208 PMCID: PMC6785373 DOI: 10.1111/trf.15482] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 07/17/2019] [Accepted: 07/22/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Only a fraction of red blood cell (RBC) transfusion recipients form alloantibodies, and variables determining responsiveness or nonresponsiveness are poorly understood. We and others have previously shown in animal models that pretreatment with toll-like receptor agonists that mimic different types of infections impacts the magnitude or frequency of RBC alloantibody responses. We hypothesized that influenza infection, coexistent with transfusion, would impact responses to transfused RBCs in a manner dependent on Type 1(α/β) interferon (IFN) signaling and tested this in a murine model. STUDY DESIGN AND METHODS Wild-type mice or mice lacking the ability to respond to Type 1 IFN were infected with influenza prior to the transfusion of transgenic murine RBCs (K1) expressing the human KEL glycoprotein or the triple fusion HOD protein. Alloantibody responses were measured longitudinally after transfusion by flow cytometric crossmatch, and posttransfusion RBC recovery and survival was evaluated. RESULTS Influenza-infected mice transfused with K1 RBCs developed robust anti-KEL alloantibodies, whereas animals transfused in the absence of infection remained nonresponders; influenza-associated RBC alloimmunization was also observed after transfusion of HOD RBCs. Recipient Type 1 IFN production was critical to the mechanism of action of influenza-induced RBC alloimmunization, with alloimmunization being significantly decreased in mice unable to sense Type 1 IFN (through antibody blockade or genetic approaches). CONCLUSION These and other data suggest that Type 1 IFN responses to toll-like receptor agonists or infections regulate RBC alloantibody responses. Studies investigating whether such a correlation exists in humans may be informative.
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Affiliation(s)
- Dong Liu
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
| | - David R. Gibb
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
- Cedars-Sinai Medical Center, Department of Pathology and Laboratory Medicine, Division of Transfusion Medicine, Los Angeles, CA
| | | | - Jingchun Liu
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
| | | | - Zhimin Shi
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
- Nanfang Hospital of Southern Medical University, Department of Primary Care, Guangzhou, Guangdong, China
| | - Lan Xu
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
| | - Stephanie C. Eisenbarth
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
- Yale University School of Medicine, Department of Immunobiology, New Haven, CT
| | - Jeanne E. Hendrickson
- Yale University School of Medicine, Department of Laboratory Medicine, New Haven, CT
- Yale University School of Medicine, Department of Pediatrics, New Haven, CA
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22
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Rossi L, Fraternale A, Bianchi M, Magnani M. Red Blood Cell Membrane Processing for Biomedical Applications. Front Physiol 2019; 10:1070. [PMID: 31481901 PMCID: PMC6710399 DOI: 10.3389/fphys.2019.01070] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 08/05/2019] [Indexed: 01/06/2023] Open
Abstract
Red blood cells (RBC) are actually exploited as innovative drug delivery systems with unconventional and convenient properties. Because of a long in vivo survival and a non-random removal from circulation, RBC can be loaded with drugs and/or contrasting agents without affecting these properties and maintaining the original immune competence. However, native or drug-loaded RBC, can be modified decorating the membrane with peptides, antibodies or small chemical entities so favoring the targeting of the processed RBC to specific cells or organs. Convenient modifications have been exploited to induce immune tolerance or immunogenicity, to deliver antibodies capable of targeting other cells, and to deliver a number of constructs that can recognize circulating pathogens or toxins. The methods used to induce membrane processing useful for biomedical applications include the use of crosslinking agents and bifunctional antibodies, biotinylation and membrane insertion. Another approach includes the expression of engineered membrane proteins upon ex vivo transfection of immature erythroid precursors with lentiviral vectors, followed by in vitro expansion and differentiation into mature erythrocytes before administration to a patient in need. Several applications have now reached the clinic and a couple of companies that take advantage from these properties of RBC are already in Phase 3 with selected applications. The peculiar properties of the RBC and the active research in this field by a number of qualified investigators, have opened new exciting perspectives on the use of RBC as carriers of drugs or as cellular therapeutics.
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Affiliation(s)
- Luigia Rossi
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.,EryDel SpA, Bresso, Italy
| | | | - Marzia Bianchi
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Mauro Magnani
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.,EryDel SpA, Bresso, Italy
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23
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Tormey CA, Hendrickson JE. Transfusion-related red blood cell alloantibodies: induction and consequences. Blood 2019; 133:1821-1830. [PMID: 30808636 PMCID: PMC6484385 DOI: 10.1182/blood-2018-08-833962] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 10/01/2018] [Indexed: 01/19/2023] Open
Abstract
Blood transfusion is the most common procedure completed during a given hospitalization in the United States. Although often life-saving, transfusions are not risk-free. One sequela that occurs in a subset of red blood cell (RBC) transfusion recipients is the development of alloantibodies. It is estimated that only 30% of induced RBC alloantibodies are detected, given alloantibody induction and evanescence patterns, missed opportunities for alloantibody detection, and record fragmentation. Alloantibodies may be clinically significant in future transfusion scenarios, potentially resulting in acute or delayed hemolytic transfusion reactions or in difficulty locating compatible RBC units for future transfusion. Alloantibodies can also be clinically significant in future pregnancies, potentially resulting in hemolytic disease of the fetus and newborn. A better understanding of factors that impact RBC alloantibody formation may allow general or targeted preventative strategies to be developed. Animal and human studies suggest that blood donor, blood product, and transfusion recipient variables potentially influence which transfusion recipients will become alloimmunized, with genetic as well as innate/adaptive immune factors also playing a role. At present, judicious transfusion of RBCs is the primary strategy invoked in alloimmunization prevention. Other mitigation strategies include matching RBC antigens of blood donors to those of transfusion recipients or providing immunomodulatory therapies prior to blood product exposure in select recipients with a history of life-threatening alloimmunization. Multidisciplinary collaborations between providers with expertise in transfusion medicine, hematology, oncology, transplantation, obstetrics, and immunology, among other areas, are needed to better understand RBC alloimmunization and refine preventative strategies.
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Affiliation(s)
- Christopher A Tormey
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
- Pathology & Laboratory Medicine Service, VA Connecticut Healthcare System, West Haven, CT; and
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT
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24
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Yoshida T, Prudent M, D’Alessandro A. Red blood cell storage lesion: causes and potential clinical consequences. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2019; 17:27-52. [PMID: 30653459 PMCID: PMC6343598 DOI: 10.2450/2019.0217-18] [Citation(s) in RCA: 143] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 12/06/2018] [Indexed: 11/21/2022]
Abstract
Red blood cells (RBCs) are a specialised organ that enabled the evolution of multicellular organisms by supplying a sufficient quantity of oxygen to cells that cannot obtain oxygen directly from ambient air via diffusion, thereby fueling oxidative phosphorylation for highly efficient energy production. RBCs have evolved to optimally serve this purpose by packing high concentrations of haemoglobin in their cytosol and shedding nuclei and other organelles. During their circulatory lifetimes in humans of approximately 120 days, RBCs are poised to transport oxygen by metabolic/redox enzymes until they accumulate damage and are promptly removed by the reticuloendothelial system. These elaborate evolutionary adaptions, however, are no longer effective when RBCs are removed from the circulation and stored hypothermically in blood banks, where they develop storage-induced damages ("storage lesions") that accumulate over the shelf life of stored RBCs. This review attempts to provide a comprehensive view of the literature on the subject of RBC storage lesions and their purported clinical consequences by incorporating the recent exponential growth in available data obtained from "omics" technologies in addition to that published in more traditional literature. To summarise this vast amount of information, the subject is organised in figures with four panels: i) root causes; ii) RBC storage lesions; iii) physiological effects; and iv) reported outcomes. The driving forces for the development of the storage lesions can be roughly classified into two root causes: i) metabolite accumulation/depletion, the target of various interventions (additive solutions) developed since the inception of blood banking; and ii) oxidative damages, which have been reported for decades but not addressed systemically until recently. Downstream physiological consequences of these storage lesions, derived mainly by in vitro studies, are described, and further potential links to clinical consequences are discussed. Interventions to postpone the onset and mitigate the extent of the storage lesion development are briefly reviewed. In addition, we briefly discuss the results from recent randomised controlled trials on the age of stored blood and clinical outcomes of transfusion.
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Affiliation(s)
| | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland
- Faculté de Biologie et de Médicine, Université de Lausanne, Lausanne, Switzerland
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics University of Colorado, Denver, CO, United States of America
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25
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Transfused platelets enhance alloimmune responses to transfused KEL-expressing red blood cells in a murine model. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2018; 17:368-377. [PMID: 30418129 DOI: 10.2450/2018.0178-18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 10/17/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Factors influencing the development of alloantibodies against blood group antigens on transfused red blood cells are poorly defined. We hypothesised that transfused platelets may act as a danger signal to recipients and affect humoral immune responses to transfused red blood cells. MATERIALS AND METHODS Platelet-rich plasma prepared from wild-type C57BL/6 or CD40L knock-out donors was transfused into wild-type or CD40L knock-out recipients. Leucoreduced red blood cells from transgenic donors expressing high levels of the human KEL glycoprotein in an erythrocyte-specific manner (KELhi donors) were transfused after the platelets, and anti-KEL responses were measured longitudinally. In some experiments, recipients were treated with poly (I:C), monoclonal CD40L-blocking antibody, or CD4-depleting antibody prior to transfusion. RESULTS Transfusion of wild-type C57BL/6 platelets or treatment with poly (I:C) prior to KELhi red blood cell transfusion led to an anti-KEL alloimmune response in wild-type recipients. Transfusion of platelets from wild-type but not CD40L knock-out donors prior to KELhi red blood cell transfusion led to an IgG anti-KEL alloimmune response in CD40L knock-out recipients; unexpectedly, transfusion of platelets from CD40L knock-out donors prior to KELhi red blood cell transfusion led to a robust anti-KEL alloimmune response in wild-type recipients. Recipient treatment with MR1 CD40L-blocking antibody or CD4-depleting antibody prevented KEL alloimmunisation altogether. DISCUSSION Transfused platelets serve as an adjuvant in this T-dependent murine model of anti-KEL red blood cell alloimmunisation, with CD40/CD40L interactions being involved to some degree but with additional mechanisms also playing a role. These findings raise questions about the role that transfused or endogenous platelets may play in other innate/adaptive immune responses.
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26
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Garraud O, Cognasse F, Laradi S, Hamzeh-Cognasse H, Peyrard T, Tissot JD, Fontana S. How to mitigate the risk of inducing transfusion-associated adverse reactions. Transfus Clin Biol 2018; 25:262-268. [DOI: 10.1016/j.tracli.2018.07.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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27
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Richards AL, Sheldon K, Wu X, Gruber DR, Hudson KE. The Role of the Immunological Synapse in Differential Effects of APC Subsets in Alloimmunization to Fresh, Non-stored RBCs. Front Immunol 2018; 9:2200. [PMID: 30344520 PMCID: PMC6182098 DOI: 10.3389/fimmu.2018.02200] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/05/2018] [Indexed: 01/19/2023] Open
Abstract
Background: Each year, over 5 million red blood cell (RBC) transfusions are administered to patients in the USA. Despite the therapeutic benefits of RBC transfusions, there are associated risks. RBC-specific alloantibodies may form in response to antigenic differences between RBC donors and recipients; these alloantibodies can be a problem as they may mediate hemolysis or pose barriers to future transfusion support. While there is currently no reliable way to predict which RBC recipients will make an alloantibody response, risk factors such as inflammation have been shown to correlate with increased rates of RBC alloimmunization. The underlying mechanisms behind how inflammation mediates alloantibody production are incompletely defined. Methods: To assess erythrophagocytosis, mice were treated with PBS or inflammatory stimuli followed by a transfusion of allogeneic RBCs labeled with a lipophilic dye. At multiple time points, RBC consumption and expression of activation makers by leukocytes was evaluated. To determine which antigen presenting cell (APC) subset(s) were capable of promoting allogeneic T cell activation, sorted leukocyte populations (which had participated in erythrophagocytosis) were co-cultured in vitro with allogeneic CD4+ T cells; T cell proliferation and ability to form immunological synapses with APCs were determined. Results: Upon transfusion of fresh allogeneic RBCs, multiple APCs consumed transfused RBCs. However, only CD8+ and CD11b+ dendritic cells formed productive immunological synapses with allogeneic T cells and stimulated proliferation. Importantly, allogeneic T cell activation and RBC alloantibody production occurred in response to RBC transfusion alone, and transfusion in the context of inflammation enhanced RBC consumption, the number of immune synapses, allogeneic T cell proliferation, and the rate and magnitude of alloantibody production. Conclusions: These data demonstrate that regardless of the ability to participate in RBC consumption, only a subset of APCs are capable of forming an immune synapse with T cells thereby initiating an alloantibody response. Additionally, these data provide mechanistic insight into RBC alloantibody generation.
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Affiliation(s)
| | - Kathryn Sheldon
- Bloodworks Northwest Research Institute, Seattle, WA, United States
| | - Xiaoping Wu
- Bloodworks Northwest Research Institute, Seattle, WA, United States
| | - David R Gruber
- Bloodworks Northwest Research Institute, Seattle, WA, United States
| | - Krystalyn E Hudson
- Bloodworks Northwest Research Institute, Seattle, WA, United States.,Department of Laboratory Medicine, University of Washington School of Medicine, Seattle, WA, United States
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28
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Webb J, Delaney M. Red Blood Cell Alloimmunization in the Pregnant Patient. Transfus Med Rev 2018; 32:213-219. [PMID: 30097223 DOI: 10.1016/j.tmrv.2018.07.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 05/22/2018] [Accepted: 07/05/2018] [Indexed: 12/13/2022]
Abstract
Alloimmunization to red blood cell (RBC) antigens represents a challenge for physicians caring for women of child bearing potential. Exposure to non-self RBC antigens may occur during transfusion or pregnancy leading to the development of antibodies. If a subsequent fetus bears that antigen, maternal antibodies may attack the fetal red blood cells causing red cell destruction and clinically significant hemolytic disease of the fetus and newborn (HDFN). In the most severe cases, HDFN may result in intrauterine fetal demise due to high output cardiac failure, effusions and ascites, known as "hydrops fetalis". This article reviews strategies for management and prevention of RBC alloimmunization in women of child bearing potential.
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Affiliation(s)
- Jennifer Webb
- Children's National Health System, Washington, D.C., USA; The George Washington University, Departments of Pediatrics & Pathology, Washington, DC, USA.
| | - Meghan Delaney
- Children's National Health System, Washington, D.C., USA; The George Washington University, Departments of Pediatrics & Pathology, Washington, DC, USA
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29
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Saris A, Peyron I, van der Meer PF, Stuge TB, Zwaginga JJ, van Ham SM, ten Brinke A. Storage-Induced Platelet Apoptosis Is a Potential Risk Factor for Alloimmunization Upon Platelet Transfusion. Front Immunol 2018; 9:1251. [PMID: 29951051 PMCID: PMC6008548 DOI: 10.3389/fimmu.2018.01251] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 05/18/2018] [Indexed: 12/21/2022] Open
Abstract
Platelet transfusion can elicit alloimmune responses leading to alloantibody formation against donor-specific polymorphic residues, ultimately resulting in platelet transfusion refractoriness. Universal leukoreduction significantly reduced the frequency of alloimmunization after platelet transfusion, thereby showing the importance of white blood cells (WBCs) in inducing this alloresponse. It is, however, unknown if the residual risk for alloimmunization is caused by WBCs remaining after leukoreduction or if alloimmunization can be induced by platelets themselves. This study investigated the capacity of platelets to induce alloimmunization and identified potential product-related risk factors for alloimmunization. First, internalization of allogeneic platelets by dendritic cells (DCs) was demonstrated by confocal microscopy. Second, after internalization, presentation of platelet-derived peptides was shown by mass spectrometry analysis of human leukocytes antigen (HLA)-DR eluted peptides. Third, platelet-loaded DCs induced platelet-specific CD4 T cell responses. Altogether, this indicates a platelet-specific ability to induce alloimmunization. Therefore, factors enhancing platelet internalization may be identified as risk factor for alloimmunization by platelet concentrates. To investigate if storage of platelets is such a risk factor, internalization of stored platelets was compared with fresh platelets and showed enhanced internalization of stored platelets. Storage-induced apoptosis and accompanied phosphatidylserine exposure seemed to be instrumental for this. Indeed, DCs pre-incubated with apoptotic platelets induced the strongest IFN-γ production by CD4 T cells compared with pre-incubation with untreated or activated platelets. In conclusion, this study shows the capacity of platelets to induce platelet-specific alloimmune responses. Furthermore, storage-induced apoptosis of platelets is identified as potential risk factor for alloimmunization after platelet transfusions.
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Affiliation(s)
- Anno Saris
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
| | - Ivan Peyron
- Department of Plasma Proteins, Sanquin Research, Amsterdam, Netherlands
| | | | - Tor B. Stuge
- Immunology Research Group, Department of Medical Biology, University of Tromsø – The Arctic University of Norway, Tromso, Norway
| | - Jaap Jan Zwaginga
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, Netherlands
| | - S. Marieke van Ham
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, Netherlands
| | - Anja ten Brinke
- Department of Immunopathology, Sanquin Research, Amsterdam, Netherlands
- Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
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30
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Garraud O, Sut C, Haddad A, Tariket S, Aloui C, Laradi S, Hamzeh-Cognasse H, Bourlet T, Zeni F, Aubron C, Ozier Y, Laperche S, Peyrard T, Buffet P, Guyotat D, Tavernier E, Cognasse F, Pozzetto B, Andreu G. Transfusion-associated hazards: A revisit of their presentation. Transfus Clin Biol 2018; 25:118-135. [PMID: 29625790 DOI: 10.1016/j.tracli.2018.03.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
As a therapy or a support to other therapies, despite being largely beneficial to patients in general, transfusion it is not devoid of some risks. In a moderate number of cases, patients may manifest adverse reactions, otherwise referred to as transfusion-associated hazards (TAHs). The latest French 2016 haemovigilance report indicates that 93% of TAHs are minor (grade 1), 5.5% are moderate (grade 2) and 1.6% are severe (grade 3), with only five deaths (grade 4) being attributed to transfusion with relative certainty (imputability of level [or grade] 1 to 3). Health-care providers need to be well aware of the benefits and potential risks (to best evaluate and discuss the benefit-risk ratio), how to prevent TAHs, the overall costs and the availability of alternative therapeutic options. In high-income countries, most blood establishments (BEs) and hospital blood banks (HBBs) have developed tools for reporting and analysing at least severe transfusion reactions. With nearly two decades of haemovigilance, transfusion reaction databases should be quite informative, though there are four main caveats that prevent it from being fully efficient: (ai) reporting is mainly declarative and is thus barely exhaustive even in countries where it is mandatory by law; (aii) it is often difficult to differentiate between the different complications related to transfusion, diseases, comorbidities and other types of therapies in patients suffering from debilitating conditions; (aiii) there is a lack of consistency in the definitions used to describe and report some transfusion reactions, their severity and their likelihood of being related to transfusion; and (aiv) it is difficult to assess the imputability of a particular BC given to a patient who has previously received many BCs over a relatively short period of time. When compiling all available information published so far, it appears that TAHs can be analysed using different approaches: (bi) their pathophysiological nature; (bii) their severity; (biii) the onset scheme; (biv) a quality assessment (preventable or non-preventable); (bv) their impact on ongoing therapy. Moreover, TAHs can be reported either in a non-integrative or in an integrative way; in the latter case, presentation may also differ when issued by a blood establishment or a treating ward. At some point, a recapitulative document would be useful to gain a better understanding of TAHs in order to decrease their occurrence and severity and allow decision makers to determine action plans: this is what this review attempts to make. This review attempts to merge the different aspects, with a focus on the hospital side, i.e., how the most frequent TAHs can be avoided or mitigated.
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Affiliation(s)
- O Garraud
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Institut National de la Transfusion Sanguine, 75017 Paris, France.
| | - C Sut
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France
| | - A Haddad
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Sacré-Cœur University Hospital, Beirut, Lebanon
| | - S Tariket
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France
| | - C Aloui
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France
| | - S Laradi
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Sacré-Cœur University Hospital, Beirut, Lebanon
| | | | - T Bourlet
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Department of Microbiology, University Hospital, 42023 Saint-Etienne, France
| | - F Zeni
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Department of Critical Care, University Hospital, 29200 Saint-Etienne, France
| | - C Aubron
- Université de Bretagne Occidentale, 29200 Brest, France; Department of Critical Care, University Hospital, 75005 Brest, France
| | - Y Ozier
- Université de Bretagne Occidentale, 29200 Brest, France; Department of Critical Care, University Hospital, 75005 Brest, France
| | - S Laperche
- Institut National de la Transfusion Sanguine, 75017 Paris, France
| | - T Peyrard
- Institut National de la Transfusion Sanguine, 75017 Paris, France; Inserm S_1134, 75015 Paris, France
| | - P Buffet
- Institut National de la Transfusion Sanguine, 75017 Paris, France; Inserm S_1134, 75015 Paris, France; University Paris-Descartes, Paris, France
| | - D Guyotat
- UMR_5229, University of Lyon, 69675 Lyon, France; Institut du Cancer Lucien Neuwirth, 42023 Saint-Etienne, France
| | - E Tavernier
- UMR_5229, University of Lyon, 69675 Lyon, France; Institut du Cancer Lucien Neuwirth, 42023 Saint-Etienne, France
| | - F Cognasse
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Sacré-Cœur University Hospital, Beirut, Lebanon
| | - B Pozzetto
- EA3064, University of Lyon/Saint-Etienne, Saint-Etienne, France; Department of Microbiology, University Hospital, 42023 Saint-Etienne, France
| | - G Andreu
- Institut National de la Transfusion Sanguine, 75017 Paris, France
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31
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Campbell-Lee SA, Gvozdjan K, Choi KM, Chen YF, Saraf SL, Hsu LL, Gordeuk VR, Strauss RG, Triulzi DJ. Red blood cell alloimmunization in sickle cell disease: assessment of transfusion protocols during two time periods. Transfusion 2018; 58:1588-1596. [PMID: 29570817 DOI: 10.1111/trf.14588] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 02/02/2018] [Accepted: 02/09/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Prevention of red blood cell (RBC) alloimmunization in patients with sickle cell disease (SCD) focuses on phenotypic RBC matching. We assessed alloimmunization among transfused patients with SCD after implementing leukoreduction and prophylactic antigen matching (PAM). STUDY DESIGN AND METHODS Retrospective review of transfusion and medical records for SCD patients 18 months to 81 years of age was performed covering two 5-year periods: Period 1, no PAM, occasional leukoreduction, and Period 2, consistent leukoreduction and extended PAM (Rh, Kell, S, Fy, Jk) for patients already alloimmunized. Patients transfused in Period 1 were excluded from Period 2. RESULTS A total of 293 patients were transfused in Period 1 and 183 in Period 2. Median time between first sample and last type and screen after transfusion was 2.12 years in Period 1 and 1.03 years in Period 2. Initial alloimmunization prevalence was lower in Period 2 (26.2%) versus Period 1 (37.5%) and after subsequent transfusions in Period 2 (23.8%) versus Period 1 (45.7%), although without significant difference after adjusting for number of units transfused, percentage of leukoreduced RBCs, sex, and age. Alloimmunized patients received more nonleukoreduced RBCs in Period 1 than nonalloimmunized. Patients transfused during inflammatory conditions were not significantly more likely to become alloimmunized. CONCLUSIONS The prevalence of initial and subsequent RBC alloimmunization in Period 2 was lower than that in Period 1; however, overall prevalence remained high. We recommend leukoreduced, hemoglobin S-negative Rh and Kell PAM RBCs for transfusion of patients with SCD. Component and recipient factors affecting alloimmunization should be studied further.
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Affiliation(s)
- Sally A Campbell-Lee
- Department of Pathology, University of Illinois at Chicago College of Medicine, Chicago, IL.,Sickle Cell Center, University of Illinois at Chicago College of Medicine, Chicago, IL.,The Institute for Transfusion Medicine, Chicago, Illinois
| | - Kristina Gvozdjan
- Department of Pathology, University of Illinois at Chicago College of Medicine, Chicago, IL
| | - K Mia Choi
- Department of Pathology, University of Illinois at Chicago College of Medicine, Chicago, IL
| | - Yi-Fan Chen
- Center for Clinical and Translational Science, University of Illinois at Chicago College of Medicine, Chicago, IL
| | - Santosh L Saraf
- Department of Medicine, University of Illinois at Chicago College of Medicine, Chicago, IL.,Sickle Cell Center, University of Illinois at Chicago College of Medicine, Chicago, IL
| | - Lewis L Hsu
- Sickle Cell Center, University of Illinois at Chicago College of Medicine, Chicago, IL.,Department of Pediatrics, University of Illinois at Chicago College of Medicine, Chicago, IL
| | - Victor R Gordeuk
- Department of Medicine, University of Illinois at Chicago College of Medicine, Chicago, IL.,Sickle Cell Center, University of Illinois at Chicago College of Medicine, Chicago, IL
| | - Ronald G Strauss
- The Institute for Transfusion Medicine, Chicago, Illinois.,The Institute for Transfusion Medicine, Pittsburgh, Pennsylvania
| | - Darrell J Triulzi
- The Institute for Transfusion Medicine, Chicago, Illinois.,The Institute for Transfusion Medicine, Pittsburgh, Pennsylvania
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32
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Almizraq RJ, Holovati JL, Acker JP. Characteristics of Extracellular Vesicles in Red Blood Concentrates Change with Storage Time and Blood Manufacturing Method. Transfus Med Hemother 2018; 45:185-193. [PMID: 29928174 DOI: 10.1159/000486137] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 11/30/2017] [Indexed: 01/04/2023] Open
Abstract
Background Extracellular vesicles (EVs) in blood products are potential effectors of inflammation and coagulation after transfusion. The aim of this study was to assess the impact of different blood manufacturing methods and duration of hypothermic storage on the EV subpopulations in relation to other in vitro quality parameters of red blood cell concentrate (RCC) products. Methods RCCs were produced using whole blood filtration (WBF) or red cell filtration (RCF) (n = 12/method), refrigerated for 43 days, and evaluated for EV size profile and concentration, red cell deformability, ATP and 2,3-DPG, hemolysis, and hematological indices. Results The total number of EVs increased significantly with storage in both methods, and WBF-RCCs contained the higher numbers of EVs compared to RCF-RCCs. The concentration of small EVs was greater in WBF-RCCs versus RCF-RCCs, with difference between the two methods observed on day 43 of storage (p = 0.001). Throughout storage, significant decreases were identified in ATP, 2,3-DPG, and EImax, while an increase in hemolysis was observed in both RCC products. Conclusion The dynamic shift in the size and concentration of the EV subpopulations is dependent on the blood manufacturing method and length of storage. Better understanding of the potential clinical implications of these heterogeneous populations of EVs are needed.
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Affiliation(s)
- Ruqayyah J Almizraq
- Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada
| | - Jelena L Holovati
- Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada.,Centre for Innovation, Canadian Blood Services, Edmonton, AB, Canada
| | - Jason P Acker
- Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada.,Centre for Innovation, Canadian Blood Services, Edmonton, AB, Canada
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33
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Hsu YMS, Ness PM, Cushing MM. Principles of Red Blood Cell Transfusion. Hematology 2018. [DOI: 10.1016/b978-0-323-35762-3.00111-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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34
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35
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Red blood cell alloimmunization: new findings at the bench and new recommendations for the bedside. Curr Opin Hematol 2017; 23:543-549. [PMID: 27454234 DOI: 10.1097/moh.0000000000000277] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
PURPOSE OF REVIEW To summarize recent discoveries from clinical studies and animal models that contribute to understanding the alloimmune response to non-ABO blood group antigens. RECENT FINDINGS Several studies have confirmed high rates of alloimmunization among patients requiring chronic red blood cell (RBC) transfusion. Moreover, 'triggers' for alloantibody development in the transfusion setting have been identified, with a number of investigations linking recipient inflammation to a higher likelihood of alloimmunization. Additional associations between human leukocyte antigen expression and CD4 T-cell markers in 'responder' or 'nonresponder' humans have been revealed. Recent animal studies have described novel mechanistic properties by which the alloimmune response is governed, including the critical role played by dendritic cells in transfusion-associated alloimmunization. New light has also been shed on the properties of alloantibodies developed as a result of pregnancy, as well as mechanisms through which such alloimmunization may be prevented. SUMMARY Many of the clinical/biological factors that contribute to the RBC alloimmune response have been further elucidated. This knowledge will be applied to identify individuals most likely to mount an immune response to RBC antigens, such that appropriate resources and strategies for preventing alloimmunization (or mitigating its harmful effects) can be implemented.
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36
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Nonclassical FCGR2C haplotype is associated with protection from red blood cell alloimmunization in sickle cell disease. Blood 2017; 130:2121-2130. [PMID: 28899854 DOI: 10.1182/blood-2017-05-784876] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 08/06/2017] [Indexed: 01/21/2023] Open
Abstract
Red blood cell (RBC) transfusions are of vital importance in patients with sickle cell disease (SCD). However, a major complication of transfusion therapy is alloimmunization. The low-affinity Fcγ receptors, expressed on immune cells, are important regulators of antibody responses. Genetic variation in FCGR genes has been associated with various auto- and alloimmune diseases. The aim of this study was to evaluate the association between genetic variation of FCGR and RBC alloimmunization in SCD. In this case-control study, DNA samples from 2 cohorts of transfused SCD patients were combined (France and The Netherlands). Cases had a positive history of alloimmunization, having received ≥1 RBC unit. Controls had a negative history of alloimmunization, having received ≥20 RBC units. Single nucleotide polymorphisms and copy number variation of the FCGR2/3 gene cluster were studied in a FCGR-specific multiplex ligation-dependent probe amplification assay. Frequencies were compared using logistic regression. Two hundred seventy-two patients were included (130 controls, 142 cases). The nonclassical open reading frame in the FCGR2C gene (FCGR2C.nc-ORF) was strongly associated with a decreased alloimmunization risk (odds ratio [OR] 0.26, 95% confidence [CI] 0.11-0.64). This association persisted when only including controls with exposure to ≥100 units (OR 0.30, CI 0.11-0.85) and appeared even stronger when excluding cases with Rh or K antibodies only (OR 0.19, CI 0.06-0.59). In conclusion, SCD patients with the FCGR2Cnc-ORF polymorphism have over a 3-fold lower risk for RBC alloimmunization in comparison with patients without this mutation. This protective effect was strongest for exposure to antigens other than the immunogenic Rh or K antigens.
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37
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Gibb DR, Liu J, Santhanakrishnan M, Natarajan P, Madrid DJ, Patel S, Eisenbarth SC, Tormey CA, Stowell SR, Iwasaki A, Hendrickson JE. B cells require Type 1 interferon to produce alloantibodies to transfused KEL-expressing red blood cells in mice. Transfusion 2017; 57:2595-2608. [PMID: 28836263 DOI: 10.1111/trf.14288] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 06/15/2017] [Accepted: 06/30/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Alloantibodies to red blood cell (RBC) antigens can cause significant hemolytic events. Prior studies have demonstrated that inflammatory stimuli in animal models and inflammatory states in humans, including autoimmunity and viremia, promote alloimmunization. However, molecular mechanisms underlying these findings are poorly understood. Given that Type 1 interferons (IFN-α/β) regulate antiviral immunity and autoimmune pathology, the hypothesis that IFN-α/β regulates RBC alloimmunization was tested in a murine model. STUDY DESIGN AND METHODS Leukoreduced murine RBCs expressing the human KEL glycoprotein were transfused into control mice (WT), mice lacking the unique IFN-α/β receptor (IFNAR1-/- ), or bone marrow chimeric mice lacking IFNAR1 on specific cell populations. Anti-KEL IgG production, expressed as mean fluorescence intensity (MFI), and B-cell differentiation were examined. RESULTS Transfused WT mice produced anti-KEL IgG alloantibodies (peak response MFI, 50.4). However, the alloimmune response of IFNAR1-/- mice was almost completely abrogated (MFI, 4.2; p < 0.05). The response of bone marrow chimeric mice lacking IFNAR1 expression in all hematopoietic cells or specifically in B cells was also diminished (MFI, 3.8 and 5.4, respectively, compared to control chimeras, MFI, 65.6; p < 0.01). Accordingly, transfusion-induced differentiation of IFNAR1-/- B cells into germinal center B cells and plasma cells was significantly reduced, compared to WT B cells. CONCLUSIONS This study demonstrates that B cells require signaling from IFN-α/β to produce alloantibodies to the human KEL glycoprotein in mice. These findings provide a potential mechanistic basis for inflammation-induced alloimmunization. If these findings extend to human studies, patients with IFN-α/β-associated conditions may have an elevated risk of alloimmunization and benefit from personalized transfusion protocols.
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Affiliation(s)
| | | | | | | | | | - Seema Patel
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Georgia
| | - Stephanie C Eisenbarth
- Department of Laboratory Medicine.,Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut
| | - Christopher A Tormey
- Department of Laboratory Medicine.,Pathology & Laboratory Medicine Service, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Sean R Stowell
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Georgia
| | - Akiko Iwasaki
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut.,Howard Hughes Medical Institute, Chevy Chase, Maryland
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38
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Hendrickson JE. Red blood cell alloimmunisation: induction of immunity and potential mitigation strategies. ACTA ACUST UNITED AC 2017. [DOI: 10.1111/voxs.12360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- J. E. Hendrickson
- Department of Laboratory Medicine; Yale University School of Medicine; New Haven CT USA
- Department of Pediatrics; Yale University School of Medicine; New Haven CT USA
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39
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Natarajan P, Liu D, Patel SR, Santhanakrishnan M, Beitler D, Liu J, Gibb DR, Liepkalns JS, Madrid DJ, Eisenbarth SC, Stowell SR, Hendrickson JE. CD4 Depletion or CD40L Blockade Results in Antigen-Specific Tolerance in a Red Blood Cell Alloimmunization Model. Front Immunol 2017; 8:907. [PMID: 28824633 PMCID: PMC5545689 DOI: 10.3389/fimmu.2017.00907] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 07/17/2017] [Indexed: 02/01/2023] Open
Abstract
Approximately 3-10% of human red blood cell (RBC) transfusion recipients form alloantibodies to non-self, non-ABO blood group antigens expressed on donor RBCs, with these alloantibodies having the potential to be clinically significant in transfusion and pregnancy settings. However, the majority of transfused individuals never form detectable alloantibodies. Expanding upon observations that children initially transfused with RBCs at a young age are less likely to form alloantibodies throughout their lives, we hypothesized that "non-responders" may not only be ignorant of antigens on RBCs but instead tolerized. We investigated this question in a reductionist murine model, in which transgenic donors express the human glycophorin A (hGPA) antigen in an RBC-specific manner. Although wild-type mice treated with poly IC and transfused with hGPA RBCs generated robust anti-hGPA IgG alloantibodies that led to rapid clearance of incompatible RBCs, those transfused in the absence of an adjuvant failed to become alloimmunized. Animals depleted of CD4+ cells or treated with CD40L blockade prior to initial hGPA RBC exposure, in the presence of poly IC, failed to generate detectable anti-hGPA IgG alloantibodies. These non-responders to a primary transfusion remained unable to generate anti-hGPA IgG alloantibodies upon secondary hGPA exposure and did not prematurely clear transfused hGPA RBCs even after their CD4 cells had returned or their CD40L blockade had resolved. This observed tolerance was antigen (hGPA) specific, as robust IgG responses to transfused RBCs expressing a third-party antigen occurred in all studied groups. Experiments completed in an RBC alloimmunization model that allowed evaluation of antigen-specific CD4+ T-cells (HOD (hen egg lysozyme, ovalbumin, and human duffyb)) demonstrated that CD40L blockade prevented the expansion of ovalbumin 323-339 specific T-cells after HOD RBC transfusion and also prevented germinal center formation. Taken together, our data suggest that recipients may indeed become tolerized to antigens expressed on RBCs, with the recipient's immune status upon initial RBC exposure dictating future responses. Although questions surrounding mechanism(s) and sustainability of tolerance remain, these data lay the groundwork for future work investigating RBC immunity versus tolerance in reductionist models and in humans.
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Affiliation(s)
- Prabitha Natarajan
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Dong Liu
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Seema R. Patel
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, United States
| | - Manjula Santhanakrishnan
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Daniel Beitler
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Jingchun Liu
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - David R. Gibb
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Justine S. Liepkalns
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, United States
| | - David J. Madrid
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT, United States
| | - Stephanie C. Eisenbarth
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States
| | - Sean R. Stowell
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, United States
| | - Jeanne E. Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT, United States
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40
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Schettini JADC, Gomes TV, Santos Barreto AK, da Silva Júnior CD, da Matta M, Coutinho ICN, de Oliveira MDCVC, Torres LC. High Levels of CXCL8 and Low Levels of CXCL9 and CXCL10 in Women with Maternal RhD Alloimmunization. Front Immunol 2017; 8:700. [PMID: 28717357 PMCID: PMC5494496 DOI: 10.3389/fimmu.2017.00700] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 05/30/2017] [Indexed: 11/13/2022] Open
Abstract
Maternal RhD alloimmunization is an inflammatory response against protein antigens in fetal red blood cells (RBC). However, not all women become alloimmunized when exposed to RhD+ fetal RBC. Thus, this study aimed to evaluate levels of inflammatory chemokines in RhD− pregnant women with erythrocyte alloimmunization. CXCL8, CXCL9, CCL5, and CXCL10 levels were determined from cell culture supernatants by flow cytometry in 46 (30 non-alloimmunized RhD− and 16 previously alloimmunized RhD−) pregnant women. CXCL8 levels were significantly higher (P < 0.004), and CXCL9 (P < 0.008) and CXCL10 (P < 0.003) levels were significantly lower in alloimmunized pregnant women. No significant difference in CCL5 levels was detected between the groups. Fetal RHD genotyping was performed in the alloimmunized RhD− group by real-time PCR. Anti-D alloantibody was detected in 10 mothers and anti-D and -C in six mothers. Twelve fetuses were RHD positive and four were RHD negative. Further studies of serum chemokines and placenta tissue could provide a better understanding of the cells involved in the pathogenesis of maternal erythrocyte alloimmunization.
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Affiliation(s)
- Juliana Araújo de Carvalho Schettini
- Translational Research Laboratory, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife, Brazil.,Department of Obstetrics and Gynecology, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife, Brazil
| | - Thomás Virgílio Gomes
- Translational Research Laboratory, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife, Brazil
| | | | | | - Marina da Matta
- Translational Research Laboratory, Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife, Brazil
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41
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Gibb DR, Liu J, Natarajan P, Santhanakrishnan M, Madrid DJ, Eisenbarth SC, Zimring JC, Iwasaki A, Hendrickson JE. Type I IFN Is Necessary and Sufficient for Inflammation-Induced Red Blood Cell Alloimmunization in Mice. THE JOURNAL OF IMMUNOLOGY 2017. [PMID: 28630094 DOI: 10.4049/jimmunol.1700401] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During RBC transfusion, production of alloantibodies against RBC non-ABO Ags can cause hemolytic transfusion reactions and limit availability of compatible blood products, resulting in anemia-associated morbidity and mortality. Multiple studies have established that certain inflammatory disorders and inflammatory stimuli promote alloimmune responses to RBC Ags. However, the molecular mechanisms underlying these findings are poorly understood. Type I IFNs (IFN-α/β) are induced in inflammatory conditions associated with increased alloimmunization. By developing a new transgenic murine model, we demonstrate that signaling through the IFN-α/β receptor is required for inflammation-induced alloimmunization. Additionally, mitochondrial antiviral signaling protein-mediated signaling through cytosolic pattern recognition receptors was required for polyinosinic-polycytidylic acid-induced IFN-α/β production and alloimmunization. We further report that IFN-α, in the absence of an adjuvant, is sufficient to induce RBC alloimmunization. These findings raise the possibility that patients with IFN-α/β-mediated conditions, including autoimmunity and viral infections, may have an increased risk of RBC alloimmunization and may benefit from personalized transfusion protocols and/or targeted therapies.
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Affiliation(s)
- David R Gibb
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520
| | - Jingchun Liu
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520
| | - Prabitha Natarajan
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520
| | | | - David J Madrid
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT 06520
| | - Stephanie C Eisenbarth
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520.,Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520
| | - James C Zimring
- Bloodworks Northwest Research Institute, Seattle, WA 98102.,Department of Laboratory Medicine, University of Washington School of Medicine, Seattle, WA 98195.,Division of Hematology, Department of Medicine, University of Washington School of Medicine, Seattle, WA 98195; and
| | - Akiko Iwasaki
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520.,Howard Hughes Medical Institute, Chevy Chase, MD 20815
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520; .,Department of Pediatrics, Yale University School of Medicine, New Haven, CT 06520
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42
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Natarajan P, Santhanakrishnan M, Tormey CA, Hendrickson JE. The impact of vaccination on RBC alloimmunization in a murine model. Vox Sang 2017; 112:598-600. [PMID: 28597520 DOI: 10.1111/vox.12541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 04/26/2017] [Accepted: 04/27/2017] [Indexed: 11/30/2022]
Abstract
Emerging data in animal models and humans suggest that pathogen-associated and damage-associated molecular patterns variably impact RBC alloantibody formation. In this study, we tested the hypothesis that vaccinations may enhance immune responses to transfused RBCs. The Pneumovax23 vaccine decreased the magnitude of anti-KEL alloimmunization in a murine model, whereas the hepB vaccine did not impact the response; RBC transfusion did not alter immune responses to either vaccine. These data highlight the complexities of the intersection of innate and adaptive immunity and suggest that future studies investigating the pathways through which inflammation impacts alloimmunization are warranted.
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Affiliation(s)
- P Natarajan
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - M Santhanakrishnan
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - C A Tormey
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA.,Pathology and Laboratory Medicine Service, VA CT Healthcare System, West Haven, CT, USA
| | - J E Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, USA.,Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
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43
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Arthur CM, Patel SR, Smith NH, Bennett A, Kamili NA, Mener A, Gerner-Smidt C, Sullivan HC, Hale JS, Wieland A, Youngblood B, Zimring JC, Hendrickson JE, Stowell SR. Antigen Density Dictates Immune Responsiveness following Red Blood Cell Transfusion. THE JOURNAL OF IMMUNOLOGY 2017; 198:2671-2680. [PMID: 28250159 DOI: 10.4049/jimmunol.1601736] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 01/15/2017] [Indexed: 01/01/2023]
Abstract
Although RBC transfusion can result in the development of anti-RBC alloantibodies that increase the probability of life-threatening hemolytic transfusion reactions, not all patients generate anti-RBC alloantibodies. However, the factors that regulate immune responsiveness to RBC transfusion remain incompletely understood. One variable that may influence alloantibody formation is RBC alloantigen density. RBC alloantigens exist at different densities on the RBC surface and likewise exhibit distinct propensities to induce RBC alloantibody formation. However, although distinct alloantigens reside on the RBC surface at different levels, most alloantigens also represent completely different structures, making it difficult to separate the potential impact of differences in Ag density from other alloantigen features that may also influence RBC alloimmunization. To address this, we generated RBCs that stably express the same Ag at different levels. Although exposure to RBCs with higher Ag levels induces a robust Ab response, RBCs bearing low Ag levels fail to induce RBC alloantibodies. However, exposure to low Ag-density RBCs is not without consequence, because recipients subsequently develop Ag-specific tolerance. Low Ag-density RBC-induced tolerance protects higher Ag-density RBCs from immune-mediated clearance, is Ag specific, and occurs through the induction of B cell unresponsiveness. These results demonstrate that Ag density can potently impact immune outcomes following RBC transfusion and suggest that RBCs with altered Ag levels may provide a unique tool to induce Ag-specific tolerance.
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Affiliation(s)
- Connie M Arthur
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Seema R Patel
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Nicole H Smith
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Ashley Bennett
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Nourine A Kamili
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Amanda Mener
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Christian Gerner-Smidt
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - Harold C Sullivan
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322
| | - J Scott Hale
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30322
| | - Andreas Wieland
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30322
| | - Benjamin Youngblood
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30322
| | - James C Zimring
- Bloodworks Northwest Research Institute, Seattle, WA 98102.,Division of Hematology, Department of Laboratory and Internal Medicine, University of Washington, Seattle, WA 98195; and
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine and Pediatrics, Yale University School of Medicine, New Haven, CT 06520
| | - Sean R Stowell
- Center for Transfusion Medicine and Cellular Therapies, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322;
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44
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Hendrickson JE, Tormey CA. Understanding red blood cell alloimmunization triggers. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2016; 2016:446-451. [PMID: 27913514 PMCID: PMC6142457 DOI: 10.1182/asheducation-2016.1.446] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Blood group alloimmunization is "triggered" when a person lacking a particular antigen is exposed to this antigen during transfusion or pregnancy. Although exposure to an antigen is necessary for alloimmunization to occur, it is not alone sufficient. Blood group antigens are diverse in structure, function, and immunogenicity. In addition to red blood cells (RBCs), a recipient of an RBC transfusion is exposed to donor plasma, white blood cells, and platelets; the potential contribution of these elements to RBC alloimmunization remains unclear. Much attention in recent years has been placed on recipient factors that influence RBC alloantibody responses. Danger signals, identified in murine and human studies alike as being risk factors for alloimmunization, may be quite diverse in nature. In addition to exogenous or condition-associated inflammation, autoimmunity is also a risk factor for alloantibody formation. Triggers for alloimmunization in pregnancy are not well-understood beyond the presence of a fetal/maternal bleed. Studies using animal models of pregnancy-induced RBC alloimmunization may provide insight in this regard. A better understanding of alloimmunization triggers and signatures of "responders" and "nonresponders" is needed for prevention strategies to be optimized. A common goal of such strategies is increased transfusion safety and improved pregnancy outcomes.
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Affiliation(s)
- Jeanne E. Hendrickson
- Department of Laboratory Medicine and
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT
| | - Christopher A. Tormey
- Department of Laboratory Medicine and
- Pathology & Laboratory Medicine Service, VA Connecticut Healthcare System, West Haven, CT
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45
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Zimring JC, Hudson KE. Cellular immune responses in red blood cell alloimmunization. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2016; 2016:452-456. [PMID: 27913515 PMCID: PMC6142485 DOI: 10.1182/asheducation-2016.1.452] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In excess of 340 blood group antigens have now been described that vary between individuals. Thus, any unit of blood that is nonautologous represents a significant dose of alloantigen. Most blood group antigens are proteins, which differ by a single amino acid between donors and recipients. Approximately 1 out of every 70 individuals are transfused each year (in the United States alone), which leads to antibody responses to red blood cell (RBC) alloantigens in some transfusion recipients. When alloantibodies are formed, in many cases, RBCs expressing the antigen in question can no longer be safely transfused. However, despite chronic transfusion, only 3% to 10% of recipients (in general) mount an alloantibody response. In some disease states, rates of alloimmunization are much higher (eg, sickle cell disease). For patients who become alloimmunized to multiple antigens, ongoing transfusion therapy becomes increasingly difficult or, in some cases, impossible. While alloantibodies are the ultimate immune effector of humoral alloimmunization, the cellular underpinnings of the immune system that lead to ultimate alloantibody production are complex, including antigen consumption, antigen processing, antigen presentation, T-cell biology, and B-cell biology. Moreover, these cellular processes differ to some extent with regard to transfused RBCs as compared with other better-studied immune barriers (eg, infectious disease, vaccines, and solid organ transplantation). The current work focuses on illustrating the current paradigm of humoral immunity, with a specific focus on particulars of RBC alloimmunization and recent advances in the understanding thereof.
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Affiliation(s)
- James C. Zimring
- BloodworksNW Research Institute, Seattle, WA; and
- Division of Hematology, Departments of Laboratory Medicine and Internal Medicine, University of Washington School of Medicine, Seattle, WA
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Jackman RP, Muench MO, Inglis H, Heitman JW, Marschner S, Goodrich RP, Norris PJ. Reduced MHC alloimmunization and partial tolerance protection with pathogen reduction of whole blood. Transfusion 2016; 57:337-348. [PMID: 27859333 DOI: 10.1111/trf.13895] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 09/08/2016] [Accepted: 09/09/2016] [Indexed: 12/23/2022]
Abstract
BACKGROUND Allogeneic blood transfusion can result in an immune response against major histocompatibility complex (MHC) antigens, potentially complicating future transfusions or transplants. We previously demonstrated that pathogen reduction of platelet-rich plasma (PRP) with riboflavin and ultraviolet light (UV+R) can prevent alloimmunization in mice. A similar pathogen-reduction treatment is currently under development for the treatment of whole blood using riboflavin and a higher dose of UV light. We sought to determine the effectiveness of this treatment in the prevention of alloimmunization. STUDY DESIGN AND METHODS BALB/cJ mice were transfused with untreated or UV+R-treated, allogeneic C57Bl/6J whole blood with or without leukoreduction. Mice were evaluated for donor-specific antibodies, ex vivo splenocyte cytokine responses, and changes in the frequency of regulatory T (Treg ) cells. RESULTS UV+R treatment blocked cytokine priming and reduced anti-MHC alloantibody responses to transfused whole blood. Leukoreduction reduced alloantibody levels in both the untreated and UV+R-treated groups. Mice transfused with UV+R-treated whole blood had reduced alloantibody and cytokine responses when subsequently transfused with untreated blood from the same donor type. This reduction in responses was not associated with increased Treg cells. CONCLUSIONS Pathogen reduction of whole blood with UV+R significantly reduces, but does not eliminate, the alloimmune response. Exposure to UV+R-treated whole blood transfusion does appear to induce tolerance to alloantigens, resulting in reduced anti-MHC alloantibody and cytokine responses to subsequent exposures to the same alloantigens. This tolerance does not appear to be driven by an increase in Treg cells.
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Affiliation(s)
| | - Marcus O Muench
- Blood Systems Research Institute.,Department of Laboratory Medicine, University of California-San Francisco, San Francisco, California
| | | | | | | | | | - Philip J Norris
- Blood Systems Research Institute.,Department of Laboratory Medicine, University of California-San Francisco, San Francisco, California
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Red blood cells: Supercarriers for drugs, biologicals, and nanoparticles and inspiration for advanced delivery systems. Adv Drug Deliv Rev 2016; 106:88-103. [PMID: 26941164 DOI: 10.1016/j.addr.2016.02.007] [Citation(s) in RCA: 227] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 02/17/2016] [Accepted: 02/19/2016] [Indexed: 12/19/2022]
Abstract
Red blood cells (RBCs) constitute a unique drug delivery system as a biologic or hybrid carrier capable of greatly enhancing pharmacokinetics, altering pharmacodynamics (for example, by changing margination within the intravascular space), and modulating immune responses to appended cargoes. Strategies for RBC drug delivery systems include internal and surface loading, and the latter can be performed both ex vivo and in vivo. A relatively new avenue for RBC drug delivery is their application as a carrier for nanoparticles. Efforts are also being made to incorporate features of RBCs in nanocarriers to mimic their most useful aspects, such as long circulation and stealth features. RBCs have also recently been explored as carriers for the delivery of antigens for modulation of immune response. Therefore, RBC-based drug delivery systems represent supercarriers for a diverse array of biomedical interventions, and this is reflected by several industrial and academic efforts that are poised to enter the clinical realm.
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Abstract
Red blood cells (RBCs) are naturally capable of transporting diverse cargoes throughout the circulatory system, both loaded to their surface or within their inner volume. Starting largely from the 1970s, diverse approaches for encapsulation into, and surface coupling onto, RBCs have been investigated as potential drug delivery systems. In the last decade, these efforts have yielded diverse strategies to load drugs and nanocarriers to RBCs, and to optimize their pharmacokinetics, distribution, and effects in the body. Several formulations of donor RBCs encapsulated with enzymes and drugs are currently undergoing clinical trials for treatment of oncologic and neurologic conditions. Newer approaches include design of drugs with an affinity to circulating RBCs, encapsulation into RBCs using membrane permeating compounds, and design of hybrid drug delivery systems combining synthetic components with fragments of RBC membranes. Notwithstanding the growing enthusiasm and optimism in RBC drug delivery, in this article we discuss potentially problematic issues of this biomedical concept, especially impairment of biocompatibility of the carrier RBCs, and other adverse and unintended effects. Rigorous and systematic analysis of the cautionary aspects described in this article should be further developed and extended in order to soberly gauge the risk/benefit balance of any given RBC-based drug delivery application. While there is little doubt that RBC drug delivery will ultimately flourish, focusing research efforts on approaches that are unlikely to cause adverse effects in patients will help to sooner bring this day.
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Affiliation(s)
- Carlos H Villa
- Division of Transfusion Medicine and Therapeutic Pathology, Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jerard Seghatchian
- International Consultancy in Blood Components Quality/Safety Improvement & DDR Strategies, London, UK
| | - Vladimir Muzykantov
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
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Villa CH, Cines DB, Siegel DL, Muzykantov V. Erythrocytes as Carriers for Drug Delivery in Blood Transfusion and Beyond. Transfus Med Rev 2016; 31:26-35. [PMID: 27707522 DOI: 10.1016/j.tmrv.2016.08.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 08/01/2016] [Accepted: 08/12/2016] [Indexed: 10/20/2022]
Abstract
Red blood cells (RBCs) are innate carriers that can also be engineered to improve the pharmacokinetics and pharmacodynamics of many drugs, particularly biotherapeutics. Successful loading of drugs, both internally and on the external surface of RBCs, has been demonstrated for many drugs including anti-inflammatory, antimicrobial, and antithrombotic agents. Methods for internal loading of drugs within RBCs are now entering clinical use. Although internal loading can result in membrane disruption that may compromise biocompatibility, surface loading using either affinity or chemical ligands offers a diverse set of approaches for the production of RBC drug carriers. A wide range of surface determinants is potentially available for this approach, although there remains a need to characterize the effects of coupling agents to these surface proteins. Somewhat surprisingly, recent data also suggest that red cell-mediated delivery may confer tolerogenic immune effects. Questions remaining before widespread application of these technologies include determining the optimal loading protocol, source of RBCs, and production logistics, as well as addressing regulatory hurdles. Red blood cell drug carriers, after many decades of progress, are now poised to enter the clinic and broaden the potential application of RBCs in blood transfusion.
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Affiliation(s)
- Carlos H Villa
- Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA.
| | - Douglas B Cines
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Don L Siegel
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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Gibb DR, Calabro S, Liu D, Tormey CA, Spitalnik SL, Zimring JC, Hendrickson JE, Hod EA, Eisenbarth SC. The Nlrp3 Inflammasome Does Not Regulate Alloimmunization to Transfused Red Blood Cells in Mice. EBioMedicine 2016; 9:77-86. [PMID: 27345021 PMCID: PMC4972549 DOI: 10.1016/j.ebiom.2016.06.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 06/02/2016] [Accepted: 06/05/2016] [Indexed: 02/07/2023] Open
Abstract
Red blood cell (RBC) transfusions are essential for patients with hematological disorders and bone marrow failure syndromes. Despite ABO matching, RBC transfusions can lead to production of alloantibodies against “minor” blood group antigens. Non-ABO alloimmunization is a leading cause of transfusion-associated mortality in the U.S. Despite its clinical importance, little is known about the immunological factors that promote alloimmunization. Prior studies indicate that inflammatory conditions place patients at higher risk for alloimmunization. Additionally, co-exposure to pro-inflammatory pathogen associated molecular patterns (PAMPs) promotes alloimmunization in animal models, suggesting that RBC alloimmunization depends on innate immune cell activation. However, the specific innate immune stimuli and sensors that induce a T cell-dependent alloantibody response to transfused RBCs have not been identified. The NLRP3 inflammasome senses chemically diverse PAMPs and damage associated molecular patterns (DAMPs), including extracellular ATP and iron-containing heme. We hypothesized that activation of the NLRP3 inflammasome by endogenous DAMPs from RBCs promotes the alloimmune response to a sterile RBC transfusion. Using genetically modified mice lacking either NLRP3 or multiple downstream inflammasome response elements, we ruled out a role for the NLRP3 inflammasome or any Caspase-1 or -11 dependent inflammasome in regulating RBC alloantibody production to a model antigen. Transfusion of stored red blood cells (RBCs) induces proinflammatory cytokine production and alloimmunization to an RBC antigen in mice. Transfusion of stored RBCs, regardless of alloantigen expression, activates conventional dendritic cells in the spleen. NOD-like receptor (NLR) inflammasomes, including NLRP3, do not regulate inflammation and alloimmunization induced by stored RBCs.
Following a blood transfusion, the immune system may produce antibodies that have detrimental effects. To understand how the immune system recognizes factors in transfused blood, we examined the immune response of mice lacking important inflammatory molecules, called inflammasomes. The results demonstrate that inflammasomes do not affect the production of potentially harmful antibodies that recognize transfused red blood cells.
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Affiliation(s)
- David R Gibb
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Samuele Calabro
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Dong Liu
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Christopher A Tormey
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Steven L Spitalnik
- Department of Pathology & Cell Biology, Columbia University Medical Center-New York Presbyterian Hospital, NY, New York 10032, USA
| | - James C Zimring
- Bloodworks NW Research Institute, Seattle, WA 98102, USA; Department of Laboratory Medicine, University of Washington School of Medicine, Seattle, WA 98102, USA; Department of Internal Medicine-Division of Hematology, University of Washington School of Medicine, Seattle, WA 98102, USA
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Pediatrics, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Eldad A Hod
- Department of Pathology & Cell Biology, Columbia University Medical Center-New York Presbyterian Hospital, NY, New York 10032, USA.
| | - Stephanie C Eisenbarth
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA.
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