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Durand G, Desoutter J, Lorriaux C, Poumaredes G, Joris M, Charbonnier A, Lebon D, Paubelle E, Garcon L, Guillaume N. Platelet transfusions in haploidentical haematopoietic stem cell allograft candidates: Protecting HLA-A and HLA-B antigens through eplet analysis. HLA 2024; 103:e15438. [PMID: 38516935 DOI: 10.1111/tan.15438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 01/29/2024] [Accepted: 02/28/2024] [Indexed: 03/23/2024]
Abstract
In patients awaiting an allogeneic haematopoietic stem cell transplantation, platelet transfusion is a risk factor for anti-HLA class I immunization because the resulting donor-specific antibodies complicate the allograft process. The objective of the present study was to determine the feasibility of a novel eplet-based strategy for identifying HLA class I mismatches between potential donors and the recipient when pre-allograft platelet transfusions were required. We included 114 recipient/haploidentical relative pairs. For each pair, we entered HLA-class I typing data into the HLA Eplet Mismatch calculator, defined the list of mismatched eplets (for the recipient versus donor direction) and thus identified the shared HLAs to be avoided. Using this list of HLAs, we defined the theoretical availability of platelet components (PCs) by calculating the virtual panel-reactive antibody (vPRA). We also determined the number of PCs actually available in France by querying the regional transfusion centre's database. The mean ± standard deviation number of highly/moderately exposed eplets to be avoided in platelet transfusions was 5.8 ± 3.3, which led to the prohibition of 38.5 ± 2 HLAs-A and -B. Taking into account the mismatched antigens and the eplet load, the mean ± standard deviation theoretical availability of PCs (according to the vPRA) was respectively 34.49% ± 1.95% for HLA-A and 80% ± 2.3% for HLA-B. A vPRA value below 94.9% for highly or moderately exposed eplets would predict that 10 PCs were actually available nationally. Although epitope protection of HLA molecules is feasible, it significantly restricts the choice of PCs.
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Affiliation(s)
- Gatien Durand
- Department of Haematology and Histocompatibility, Amiens University Hospital, Amiens, France
- EA HEMATIM 4666, Jules Verne University of Picardie, Amiens, France
| | - Judith Desoutter
- Department of Haematology and Histocompatibility, Amiens University Hospital, Amiens, France
- EA HEMATIM 4666, Jules Verne University of Picardie, Amiens, France
| | - Corinne Lorriaux
- Department of Blood Transfusions, Amiens University Hospital, Amiens, France
| | - Géraldine Poumaredes
- Department of Biology, Etablissement Français du Sang (EFS) Hauts de France, Amiens, France
| | - Magalie Joris
- Department of Clinical Haematology and Cellular Therapy, Amiens University Hospital, Amiens, France
| | - Amandine Charbonnier
- Department of Clinical Haematology and Cellular Therapy, Amiens University Hospital, Amiens, France
| | - Delphine Lebon
- EA HEMATIM 4666, Jules Verne University of Picardie, Amiens, France
- Department of Clinical Haematology and Cellular Therapy, Amiens University Hospital, Amiens, France
| | - Etienne Paubelle
- EA HEMATIM 4666, Jules Verne University of Picardie, Amiens, France
- Department of Clinical Haematology and Cellular Therapy, Amiens University Hospital, Amiens, France
| | - Loïc Garcon
- Department of Haematology and Histocompatibility, Amiens University Hospital, Amiens, France
- EA HEMATIM 4666, Jules Verne University of Picardie, Amiens, France
| | - Nicolas Guillaume
- Department of Haematology and Histocompatibility, Amiens University Hospital, Amiens, France
- EA HEMATIM 4666, Jules Verne University of Picardie, Amiens, France
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Sadowska-Klasa A, Dukat-Mazurek A, Zielińska H, Dębska-Zielkowska J, Piekarska A, Moszkowska G, Mensah-Glanowska P, Zaucha JM. Incidence and Role of Recipient-Specific Antibodies in Allogeneic Hematopoietic Cell Transplantation from Mismatched Related Donors. Transplant Cell Ther 2024; 30:99.e1-99.e10. [PMID: 37875214 DOI: 10.1016/j.jtct.2023.10.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/13/2023] [Accepted: 10/20/2023] [Indexed: 10/26/2023]
Abstract
High titer of donor-specific antibodies (DSAs) increases the risk of graft rejection after mismatched related hematopoietic cell transplantation (HCT). There are no data regarding the incidence of anti-HLA recipient-specific antibodies (RSAs) and their role after transplantation. Here we aimed to identify the incidence of RSAs in a mismatched related hematopoietic cell donor population and their possible impact on immune-mediated complications, such as acute graft-versus-host disease (aGVHD), and complications resulting from endothelial injury, such as transplantation-associated thrombotic microangiopathy (TA-TMA) and veno-occlusive disease (VOD). We prospectively analyzed the incidence of anti-HLA antibodies in 28 mismatched related pairs of recipients and their donors who underwent HCT at our center between 2020 and 2022. In positive samples screened for anti-HLA class I and/or II antibodies, the specificity of the HLA antibodies was analyzed. All recipients had a hematologic malignancy and received a myeloablative conditioning regimen and immunosuppression consisting of post-transplantation cyclophosphamide, tacrolimus, and mycophenolate mofetil. Patients were tested for TA-TMA and aGVHD development during routine post-transplantation visits up to 100 days post-transplantation. We used modified Jodele criteria for TA-TMA diagnosis, and based aGVHD grading on the MAGIC criteria. VOD was assessed using the European Society for Blood and Marrow Transplantation. Anti-HLA antibodies were detected in 12 donors (43%) and in 9 recipients (32%). There were no significant differences between donors and recipients according to age (median, 42 years [range, 17 to 69 years] versus 39 years [range, 8 to 68 years]), sex, or pregnancy history. No transfusion history was noted in the donor group (P < .05). RSA antibodies were present more often than DSAs and were detected in 9 out of 12 (75%) anti-HLA-positive donors and in only 2 out of 9 (22%) recipients, respectively (P < .05). During the follow-up, 11 patients (39%) developed aGVHD, including grade I-II in 9 (32%) and grade III-IV in 2 (7%). Twelve patients (43%) met the criteria for TA-TMA, and only 1 patient (3.5%) was diagnosed with VOD by day 100 post-HCT. RSAs were detected significantly more often in the TA-TMA group; among 12 patients diagnosed with TA-TMA, 7 (58%) had RSAs (P < .05). We did not find a correlation between RSAs and aGVHD. The patient with VOD did not have an RSA-positive donor. There was no difference in membrane attack complex (MAC) concentration in the RSA-positive group on day 30 and day 60 post-HCT; however, there was a trend toward higher MAC concentration in the RSA-positive group on day 100 (median, 912 ng/mL [range, 788 to 1120 ng/mL] versus 616 ng/mL [range, 352 to 1244 ng/mL]; P = .055). Patients with RSA suffered more often from platelet and red blood cell decreases or transfusion refractoriness, and increased lactate dehydrogenase activity was observed in all RSA-positive cases. The donor immune status and the presence of RSA may be associated with higher rates of TA-TMA in mismatched HCT recipients. Antibody-mediated complement activation might be an additional factor influencing TA-TMA occurrence.
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Affiliation(s)
- Alicja Sadowska-Klasa
- Department of Hematology and Transplantology, Medical University of Gdańsk, Gdańsk, Poland.
| | - Anna Dukat-Mazurek
- Department of Medical Immunology, Medical University of Gdańsk, Gdańsk, Poland
| | - Hanna Zielińska
- Department of Medical Immunology, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Agnieszka Piekarska
- Department of Hematology and Transplantology, Medical University of Gdańsk, Gdańsk, Poland
| | - Grażyna Moszkowska
- Department of Medical Immunology, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Jan Maciej Zaucha
- Department of Hematology and Transplantology, Medical University of Gdańsk, Gdańsk, Poland
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Pandey P, Pande A, Marik A, Sinha VK, Devra AK, Bhatt AP, Kumari S, Gajway SY, Singh RK, Mishra S, Jha S. A retrospective observational study to estimate the risk of HLA alloimmunization with blood transfusion: Can the risk be reduced by leucodepletion? Immunobiology 2023; 228:152727. [PMID: 37586300 DOI: 10.1016/j.imbio.2023.152727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND In this retrospective study, our aim was to find the effect of leucodepleted (LD) blood transfusions on the formation of anti-HLA-antibodies when compared to non-leucodepleted (non-LD) transfusions using Luminex-based method. METHODS In this study, Luminex single antigen bead assay (L-SAB) and HLA typing were performed on 310 patients. Test positivity rates (as MFI - Mean florescence intensity) were analyzed according to the different sensitization events and gender. RESULTS Of the 310 patients included in the study, 58.06% (180) patients were male and 41.93% (130) were female. The average age of the patients was 42.86 (±12.37) years. In this study, test positivity rates were significantly lower in the patients who received LD RBC units than in those who received non-LD RBC units (28.43% = 29 of 102 Vs 55.22% = 74 of 134, p < 0.05). In our study, transfusion combined with a history of pregnancy had higher number of significant HLA antibodies compared to cases where transfusion was the only sensitization event (81.81% = 18/22 Vs 39.71% = 85/214, p < 0.05). In addition, anti-HLA-antibodies-MFI were significantly (p < 0.01) higher in non-LD patients compared to LD patients. CONCLUSION Patients who received LD RBC units had a significantly lower rate of transfusion-associated alloimmunization compared to those who received non-LD RBC units. Multiparous women had a high risk for transfusion-related alloimmunization compared to both nulliparous women and male patient. Furthermore, class I-anti-HLA-antibodies (HLA-B and HLA-A + B) were significantly associated with pregnancy sensitization and/or blood transfusion as a single sensitization.
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Affiliation(s)
- Prashant Pandey
- Department of Transfusion Medicine, Histocompatibility and Molecular Biology, Jaypee Hospital, Noida, UP 201301, India
| | - Amit Pande
- Department of Histocompatibility and Molecular Biology, Jaypee Hospital, Noida, UP 201301, India.
| | - Arghyadeep Marik
- Department of Transfusion Medicine, Jaypee Hospital, Noida, UP 201301, India
| | - Vijay Kumar Sinha
- Department of Nephrology and Kidney Transplant, Jaypee Hospital, Noida, UP 201301, India
| | - Amit Kumar Devra
- Kidney Transplant Programme, Department of Urology and Kidney Transplant, Jaypee Hospital, Noida, UP 201301, India
| | - Anil Prasad Bhatt
- Department of Nephrology and Kidney Transplant, Jaypee Hospital, Noida, UP 201301, India
| | - Supriya Kumari
- Department of Transfusion Medicine, Jaypee Hospital, Noida, UP 201301, India
| | | | - Ravi Kumar Singh
- Department of Nephrology and Kidney Transplant, Jaypee Hospital, Noida, UP 201301, India
| | - Smriti Mishra
- Department of Histocompatibility and Molecular Biology, Jaypee Hospital, Noida, UP 201301, India
| | - Shantanu Jha
- Department of Histocompatibility and Molecular Biology, Jaypee Hospital, Noida, UP 201301, India
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Song X, Qi J, Fang K, Li X, Han Y. A meta-analysis of risk factors associated with platelet transfusion refractoriness. Int J Hematol 2023; 117:863-875. [PMID: 36856992 DOI: 10.1007/s12185-023-03557-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 03/02/2023]
Abstract
BACKGROUND Platelet transfusion refractoriness (PTR) remains an intractable issue in clinical practice, and is common in hematological patients. At present, it is believed that both immune and non-immune factors play a role. We conducted a meta-analysis of various risk factors which may contribute to PTR. METHODS PubMed, Embase, Cochrane library, and Web of Science were selected as research database platforms. Citations included were further assessed for quality and bias using the Newcastle-Ottawa Scale. All analyses were performed using Review Manager Version 5.4 and STATA 16.0. RESULTS The preliminary search revealed 1069 publications, and 17 (5929 patients in total) were ultimately included in the quantitative analysis. The following variables were associated with the occurrence of PTR: fever (OR = 2.26, 95%CI 2.00-2.55, p < 0.00001), bleeding (OR = 2.10, 95%CI 1.36-3.24, p = 0.0008), female sex (OR = 2.06, 95%CI 1.13-3.75, p = 0.02), antibiotic use (OR = 2.94, 95%CI 1.54-5.59, p = 0.001), and infection (OR = 2.19, 95%CI 1.20-4.03, p = 0.01). Antibodies involved in immune activation were a higher risk factor (OR = 4.17, 95%CI 2.36-7.36, p < 0.00001), and splenomegaly was nearly significant (OR = 1.73, 95%CI 0.97-3.07, p = 0.06). CONCLUSIONS We identified some important risk factors for PTR, but further research is needed to identify the many other possible elements that may contribute to or mediate PTR.
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Affiliation(s)
- Xiaofei Song
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Jiaqian Qi
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Kun Fang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Xueqian Li
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Yue Han
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, Jiangsu, China. .,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China. .,Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China. .,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China.
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Ma R, Liu XT, Chang YJ. Allogeneic haematopoietic stem cell transplantation for acute lymphoblastic leukaemia: current status and future directions mainly focusing on a Chinese perspective. Expert Rev Hematol 2022; 15:789-803. [DOI: 10.1080/17474086.2022.2125375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Rui Ma
- Peking University People’s Hospital & Peking University Institute of Hematology
- National Clinical Research Center for Hematologic Disease
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Xin-Tong Liu
- Peking University People’s Hospital & Peking University Institute of Hematology
- National Clinical Research Center for Hematologic Disease
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Ying-Jun Chang
- Peking University People’s Hospital & Peking University Institute of Hematology
- National Clinical Research Center for Hematologic Disease
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
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