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Zirka G, Robert P, Tilburg J, Tishkova V, Maracle CX, Legendre P, van Vlijmen BJM, Alessi MC, Lenting PJ, Morange PE, Thomas GM. Impaired adhesion of neutrophils expressing Slc44a2/HNA-3b to VWF protects against NETosis under venous shear rates. Blood 2021; 137:2256-2266. [PMID: 33556175 DOI: 10.1182/blood.2020008345] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 01/11/2021] [Indexed: 12/16/2022] Open
Abstract
Genome-wide association studies linked expression of the human neutrophil antigen 3b (HNA-3b) epitope on the Slc44a2 protein with a 30% decreased risk of venous thrombosis (VT) in humans. Slc44a2 is a ubiquitous transmembrane protein identified as a receptor for von Willebrand factor (VWF). To explain the link between Slc44a2 and VT, we wanted to determine how Slc44a2 expressing either HNA-3a or HNA-3b on neutrophils could modulate their adhesion and activation on VWF under flow. Transfected HEK293T cells or neutrophils homozygous for the HNA-3a- or HNA-3b-coding allele were purified from healthy donors and perfused in flow chambers coated with VWF at venous shear rates (100 s-1). HNA-3a expression was required for Slc44a2-mediated neutrophil adhesion to VWF at 100 s-1. This adhesion could occur independently of β2 integrin and was enhanced when neutrophils were preactivated with lipopolysaccharide. Moreover, specific shear conditions with high neutrophil concentration could act as a "second hit," inducing the formation of neutrophil extracellular traps. Neutrophil mobilization was also measured by intravital microscopy in venules from SLC44A2-knockout and wild-type mice after histamine-induced endothelial degranulation. Mice lacking Slc44a2 showed a massive reduction in neutrophil recruitment in inflamed mesenteric venules. Our results show that Slc44a2/HNA-3a is important for the adhesion and activation of neutrophils in veins under inflammation and when submitted to specific shears. The fact that neutrophils expressing Slc44a2/HNA-3b have a different response on VWF in the conditions tested could thus explain the association between HNA-3b and a reduced risk for VT in humans.
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Affiliation(s)
- Gaïa Zirka
- Aix-Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Center for CardioVascular and Nutrition Research (C2VN), Marseille, France
| | - Philippe Robert
- Aix-Marseille University, Centre National de la Recherche Scientifique (CNRS), INSERM, Adhesion and Inflammation Laboratory, Marseille, France
- Laboratoire d'Immunologie, Assistance Publique-Hôpitaux de Marseille (AP-HM), Centre Hospitalier Universitaire de la Conception, Marseille, France
| | - Julia Tilburg
- Einthoven Laboratory for Experimental Vascular Medicine, Division of Thrombosis and Hemostasis, Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Victoria Tishkova
- Aix-Marseille University, CNRS, Centre Interdisciplinaire de Nanoscience de Marseille (CINaM), Marseille, France
| | - Chrissta X Maracle
- Einthoven Laboratory for Experimental Vascular Medicine, Division of Thrombosis and Hemostasis, Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Paulette Legendre
- INSERM, Unité Mixte de Recherche en Santé (UMR-S) 1176, Université Paris-Sud, Université Paris-Saclay, Le Kremlin- Bicêtre, France; and
| | - Bart J M van Vlijmen
- Einthoven Laboratory for Experimental Vascular Medicine, Division of Thrombosis and Hemostasis, Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Marie-Christine Alessi
- Aix-Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Center for CardioVascular and Nutrition Research (C2VN), Marseille, France
- Laboratoire d'Hématologie, AP-HM, Centre Hospitalier Universitaire de la Timone, Marseille, France
| | - Peter J Lenting
- INSERM, Unité Mixte de Recherche en Santé (UMR-S) 1176, Université Paris-Sud, Université Paris-Saclay, Le Kremlin- Bicêtre, France; and
| | - Pierre-Emmanuel Morange
- Aix-Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Center for CardioVascular and Nutrition Research (C2VN), Marseille, France
- Laboratoire d'Hématologie, AP-HM, Centre Hospitalier Universitaire de la Timone, Marseille, France
| | - Grace M Thomas
- Aix-Marseille University, INSERM, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Center for CardioVascular and Nutrition Research (C2VN), Marseille, France
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Flesch BK, Reil A. Molecular Genetics of the Human Neutrophil Antigens. Transfus Med Hemother 2018; 45:300-309. [PMID: 30498408 PMCID: PMC6257083 DOI: 10.1159/000491031] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/17/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Antibodies to human neutrophil antigens (HNAs) have been implicated in transfusion-related acute lung injury and allo- and autoimmune neutropenia. To date, five HNA systems are assigned, and during the last decades enormous efforts have been undertaken to identify the underlying genes and to characterize the antigens. This review of the literature will provide the current genetic, molecular and functional information on HNAs. RECENT FINDINGS New information on alleles and antigens has been added to nearly each of the five HNA systems. HNA-1d has been added as the antithetical epitope to HNA-1c that is located on the glycoprotein encoded by FCGR3B*02 but not by FCGR3B. FCGR3B*04 and *05 now are included as new alleles. A CD177*787A>T substitution was demonstrated as the main reason for the HNA-2-negative phenotype on neutrophils. The target glycoprotein of HNA-3 antibodies could be identified as choline transporter-like protein 2 (CTL2) encoded by SLC44A2. The conformation sensitive epitope discriminates between arginine and glutamine at position 152 resulting in HNA-3a and HNA-3b. An additional Leu151Phe substitution can impair HNA-3a antibody binding. Recently an alloantibody against HNA-4b which discriminates from HNA-4a by an Arg61His exchange of the glycoprotein encoded by the ITGAM gene was reported in neonatal alloimmune neutropenia. An update of the current HNA nomenclature based on the new findings was provided in 2016 by the ISBT Granulocyte Immunobiology Working Party nomenclature subcommittee. CONCLUSIONS The molecular basis of each of the five HNA antigen systems has been decoded during the past decades. This enables reliable molecular typing strategies, antibody detection and specification as well as development of new assays based on recombinant antigens. However, research on HNA alleles, antigens, and antibodies is not finally terminated and also in the future will add new findings.
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Amakishi E, Irie Y, Nishizawa K, Kamada H, Nakajima F, Matsuyama N, Ishii H, Matsukura H, Yasui K, Hirayama F. Evaluation of HNA-expressing cell line-based antigen capture systems and a solid-phase system for detecting HNA-1a antibodies. Int J Hematol 2015; 101:386-91. [PMID: 25644150 DOI: 10.1007/s12185-015-1751-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 01/19/2015] [Accepted: 01/21/2015] [Indexed: 11/26/2022]
Abstract
Granulocyte immunofluorescence and granulocyte agglutination tests are standard methods for detecting human neutrophil antigen (HNA) antibodies (Abs); however, these require a typed panel of neutrophils, which can be time-consuming to develop, and it remains difficult to determine antibody specificity in some cases. We established and evaluated four detection systems for HNA-1a Abs based on an HNA-1a-expressing cell line (KY cells) and antigen capture. We additionally evaluated a commercial solid-phase system. Eleven HNA-1a antibody-positive samples, including the World Health Organization Reference Reagent, and 40 serum samples derived from male blood donors were used as positive and negative control samples, respectively. Although specificity was >0.90 in all systems evaluated, the sensitivity varied among the systems. The KY cell-based monoclonal antibody specific immobilisation of granulocyte antigens (KY-MAIGA) system using certain, but not all, monoclonal Abs, and the solid-phase system revealed higher sensitivity than other systems. In conclusion, the KY-MAIGA and commercial solid-phase systems were superior in terms of specific and sensitive detection of HNA-1a Abs.
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Affiliation(s)
- Etsuko Amakishi
- Japanese Red Cross Kinki Block Blood Center, 7-5-17, Saitoasagi, Ibaraki, Osaka, 567-0085, Japan
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Abstract
Abstract
Human neutrophil antigen-3a (HNA-3a) antibodies contained in donor plasma can result in severe, sometimes fatal transfusion-related acute lung injury (TRALI). Recent developments in TRALI secondary to antibodies to HNA-3a antigen span diagnosis, pathophysiology, treatment, and prevention resulting in improved understanding, potential treatments, and mitigation strategies. First, on the molecular level, characterization of HNA-3 antigen has allowed for genotyping methods that clarify population prevalence. Related work has led to generation of multiple antibody detection assays. These assays aid in determining potential populations at risk and potential mitigation strategies. Second, the development of TRALI requires a hit from the patient and from the product. Anti-HNA-3a is one of the product-derived factors and appears to result in TRALI by binding directly to pulmonary endothelium as well as to neutrophils expressing the corresponding antigen. Finally, potential mitigation strategies include red blood cell product filtration to remove anti-HNA-3a as well as other antibodies.
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Bougie DW, Peterson JA, Kanack AJ, Curtis BR, Aster RH. Transfusion-related acute lung injury-associated HNA-3a antibodies recognize complex determinants on choline transporter-like protein 2. Transfusion 2014; 54:3208-15. [PMID: 24846273 DOI: 10.1111/trf.12717] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 03/13/2014] [Accepted: 04/06/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND HNA-3a-specific antibodies can cause severe, sometimes fatal, transfusion-related acute lung injury when present in transfused blood. The HNA3-a/b antigens are determined by an R154Q polymorphism in the first of five extracellular (EC) loops of the 10-membrane-spanning choline transporter-like protein 2 (CTL2) expressed on neutrophils, lymphocytes, and other tissues. Approximately 50% of HNA-3a antibodies (Type 1) can be detected using CTL2 Loop 1 peptides containing R154; the remaining 50% (Type 2) fail to recognize this target. Understanding the basis for this difference could guide efforts to develop practical assays to screen blood donors for HNA-3 antibodies. STUDY DESIGN AND METHODS Reactions of HNA-3a antibodies against recombinant versions of human, mouse, and human/mouse (chimeric) CTL2 were characterized using flow cytometry and various solid-phase assays. RESULTS The findings show that, for binding to CTL2, Type 2 HNA-3a antibodies require nonpolymorphic amino acid residues in the third, and possibly the second, EC loops of CTL2 to be in a configuration comparable to that found naturally in the cell membrane. In contrast, Type 1 antibodies require only peptides from the first EC loop that contain R154 for recognition. CONCLUSION Although Type 1 HNA-3a antibodies can readily be detected in solid-phase assays that use a CTL2 peptide containing R154 as a target, development of a practical test to screen blood donors for Type 2 antibodies will pose a serious technical challenge because of the complex nature of the epitope(s) recognized by this antibody subgroup.
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Affiliation(s)
- Daniel W Bougie
- Blood Research Institute, BloodCenter of Wisconsin, Milwaukee, Wisconsin
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Hirayama F. Approach of using established and new laboratory tests to more comprehensively investigate noninfectious and nonhemolytic transfusion reactions--along with the experience in Japan. Vox Sang 2013; 105:183-95. [PMID: 23763621 DOI: 10.1111/vox.12057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 03/03/2013] [Accepted: 05/09/2013] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND OBJECTIVES Noninfectious and nonhaemolytic transfusion reactions are the most common type of transfusion reactions. Several new tests have been made, helping diagnosis and understanding of their pathogenesis. This manuscript provides a review of the literature on currently available tests in association with the approach in Japan. MATERIALS & METHODS Primarily by using key words, more than 100 pertinent articles in the Medline database were identified and reviewed. RESULTS Numbers of laboratory tests are available including those for plasma protein levels, plasma protein antibodies, leucocyte and platelet antibodies, serum N-terminal-pro-brain natriuretic peptide levels, serum tryptase levels and genetic microchimerism. Cross-match tests, such as basophil activation test and neutrophil activation test, are also available to determine a causal relationship between the reaction and transfusion. CONCLUSIONS Several tests should help to confirm diagnosis and determine causal relationship between adverse reactions and transfusion and to gain an insight into the mechanism of the reaction in some cases, although some of the recently developed tests have not been completely validated.
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Affiliation(s)
- F Hirayama
- Japanese Red Cross Kinki Block Blood Center, Ibaraki, Japan
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Bowens KL, Sullivan MJ, Curtis BR. Determination of neutrophil antigen HNA-3a and HNA-3b genotype frequencies in six racial groups by high-throughput 5' exonuclease assay. Transfusion 2012; 52:2368-74. [PMID: 22414054 DOI: 10.1111/j.1537-2995.2012.03600.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND People with the human neutrophil antigen (HNA)-3b/3b type can make HNA-3a antibodies, which have been reported to cause immune neutropenia disorders and are especially prone to cause severe cases of transfusion-related acute lung injury. However, knowledge of HNA-3 allele frequencies outside Caucasian populations is limited. We developed a high-throughput genotyping assay and determined the HNA-3a/3b genotype frequencies in six different racial and ethnic groups. STUDY DESIGN AND METHODS Genotyping utilized TaqMan 5' exonuclease chemistry and real-time polymerase chain reaction. A total of 742 DNA samples from six different racial and ethnic groups were genotyped for HNA-3a and HNA-3b. RESULTS The genotyping assay showed 100% sensitivity and specificity compared to sequencing and phenotyping and had high throughput. A significant percentage of Caucasians (6.5%), Han Chinese (16%), and Asian Indians (6%) typed HNA-3b/3b, but only a small percentage of Hispanics (1%) and no African or Native Americans. CONCLUSIONS The HNA-3 genotyping assay had high sensitivity, specificity, and sample throughput. HNA-3b/b genotype results determined for 742 individuals representing six different racial and ethnic groups showed that there could be a significant risk of producing anti-HNA-3a in Chinese, as well as in Caucasian and Asian Indian blood donor populations, but a very low risk in Hispanic, African, or Native American populations.
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Affiliation(s)
- Krista L Bowens
- Platelet & Neutrophil Immunology Laboratory, BloodCenter of Wisconsin, Milwaukee, Wisconsin 53201-2178, USA
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