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Romon I, Castillo C, Cid J, Lozano M. Use of plerixafor to mobilize haematopoietic progenitor cells in healthy donors. Vox Sang 2021; 117:6-16. [PMID: 34159611 DOI: 10.1111/vox.13175] [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: 01/26/2021] [Revised: 04/09/2021] [Accepted: 04/29/2021] [Indexed: 11/29/2022]
Abstract
Increased transplant activity calls for improved stem cell collection, especially when peripheral blood is the preferred source of haematopoietic progenitor cells (HPCs). Plerixafor is a bicyclam molecule that mobilizes CD34+ cells by reversibly disrupting CXCR4-CXCL12-supported HPC retention. Plerixafor is given with granulocyte colony-stimulating factor (G-CSF) to help harvest autologous CD34+ cells for transplantation when mobilization with G-CSF fails. Mobilization protocols with the same doses of plerixafor and G-CSF have been used off-label in healthy allogeneic donors, with equal success and scarce side effects, both in adult and paediatric patients. Plerixafor has also been used as a sole mobilization agent. Plerixafor alone or coupled with G-CSF might lead to harvesting distinct cellular populations conferring improved engraftment properties and increased survival. Those characteristics might make plerixafor an especially attractive mobilization agent, particularly for non-related donations. However, available data are limited, and long-term follow-up is needed to clarify the best scenario for using plerixafor with or without G-CSF in healthy donors. In this review, we will summarize the evidence supporting this practice, highlighting the practical aspects and providing clues for an expanded use of plerixafor.
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Affiliation(s)
- Iñigo Romon
- Transfusion Service, Hematology and Hemotherapy Service, University Hospital Marqués de Valdecilla, IDIVAL, Santander, Spain
| | - Carlos Castillo
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
| | - Joan Cid
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
| | - Miquel Lozano
- Apheresis & Cellular Therapy Unit, Department of Hemotherapy and Hemostasis, ICMHO, Hospital Clínic, IDIBAPS, UB, Barcelona, Spain
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Babic A, Buchanan P, Gill A, Bloomquist J, Regan D, Bhatla D, Ferguson W. Analysis of outcomes of single-unit cord blood transplantation with umbilical cord blood units processed with two different red blood cell sedimentation reagents. Transfusion 2021; 61:1856-1866. [PMID: 34018206 DOI: 10.1111/trf.16428] [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: 07/17/2020] [Revised: 03/12/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Various processing methodologies are routinely used to reduce volume and red blood cell content of umbilical cord blood (UCB) units collected for hematopoietic stem cell transplantation. There is limited information regarding effects of UCB processing techniques on clinical outcomes. STUDY DESIGN AND METHODS Retrospective data analysis compared laboratory and clinical outcomes following single-unit UCB transplantation performed between 1999 and 2015. All UCB units were from St. Louis Cord Blood Bank and all were manually processed with either Hetastarch processed cord blood units (HCB) (n = 661) or PrepaCyte processed cord blood units (PCB) (n = 84). Additional sensitivity analysis focused on units transplanted from 2010 to 2015 and included 105 HCB and 84 PCB. RESULTS There were no significant differences in patient characteristics between the two groups. Pre-freeze total nucleated and CD34+ cell counts, cell doses/kg of recipient weight, and total colony-forming units (CFUs) were higher in PCB compared with HCB. Post-thaw, the PCB group had a significantly better total nucleated cell recovery, while there were no significant differences in cell viability, CFU recovery, or CD34+ cell recovery. Primary analysis demonstrated faster neutrophil and platelet engraftment for PCB but no differences in overall survival (OS), whereas sensitivity analysis found no effect of processing method on engraftment, but better OS in the HCB group compared with PCB group. CONCLUSION The UCB processing method had no significant impact on engraftment. However, we cannot completely exclude the effect of processing method on OS. Additional studies may be warranted to investigate the potential impact of the PCB processing method on clinical outcomes.
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Affiliation(s)
- Aleksandar Babic
- St. Louis Cord Blood Bank, SSM Health Cardinal Glennon Children's Hospital, St Louis, Missouri, USA.,Department of Pediatrics, St. Louis University School of Medicine, St Louis, Missouri, USA
| | - Paula Buchanan
- Center for Health Outcomes Research, St Louis University, St. Louis, Missouri, USA
| | - Ammara Gill
- Division of Hematology and Oncology, Adventist Health Rideout Cancer Center, Marysville, California, USA
| | - Jenni Bloomquist
- Clinical Data Quality, Center for International Blood and Marrow Transplant Research, Milwaukee, Wisconsin, USA.,Customer Ready Products, National Marrow Donor Program, Minneapolis, Minnesota, USA
| | - Donna Regan
- Customer Ready Products, National Marrow Donor Program, Minneapolis, Minnesota, USA
| | - Deepika Bhatla
- Department of Pediatrics, St. Louis University School of Medicine, St Louis, Missouri, USA
| | - William Ferguson
- St. Louis Cord Blood Bank, SSM Health Cardinal Glennon Children's Hospital, St Louis, Missouri, USA.,Department of Pediatrics, St. Louis University School of Medicine, St Louis, Missouri, USA
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Impola U, Larjo A, Salmenniemi U, Putkonen M, Itälä-Remes M, Partanen J. Graft Immune Cell Composition Associates with Clinical Outcome of Allogeneic Hematopoietic Stem Cell Transplantation in Patients with AML. Front Immunol 2016; 7:523. [PMID: 27917176 PMCID: PMC5117118 DOI: 10.3389/fimmu.2016.00523] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 11/09/2016] [Indexed: 12/17/2022] Open
Abstract
Complications of allogeneic hematopoietic stem cell transplantation (HSCT) have been attributed to immune cells transferred into the patient with the graft. However, a detailed immune cell composition of the graft is usually not evaluated. In the present study, we determined the level of variation in the composition of immune cells between clinical HSCT grafts and whether this variation is associated with clinical outcome. Sizes of major immune cell populations in 50 clinical grafts from a single HSCT Centre were analyzed using flow cytometry. A statistical comparison between cell levels and clinical outcomes of HSCT was performed. Overall survival, acute graft-versus-host disease (aGVHD), chronic graft-versus-host disease (cGVHD), and relapse were used as the primary endpoints. Individual HSCT grafts showed considerable variation in their numbers of immune cell populations, including CD123+ dendritic cells and CD34+ cells, which may play a role in GVHD. Acute myeloid leukemia (AML) patients who developed aGVHD were transplanted with higher levels of effector CD3+ T, CD19+ B, and CD123+ dendritic cells than AML patients without aGVHD, whereas grafts with a high CD34+ content protected against aGVHD. AML patients with cGVHD had received grafts with a lower level of monocytes and a higher level of CD34+ cells than those without cGVHD. There is considerable variation in the levels of immune cell populations between HSCT grafts, and this variation is associated with outcomes of HSCT in AML patients. A detailed analysis of the immune cell content of the graft can be used in risk assessment of HSCT.
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Affiliation(s)
- Ulla Impola
- Finnish Red Cross Blood Service, Research and Development , Helsinki , Finland
| | - Antti Larjo
- Finnish Red Cross Blood Service, Research and Development , Helsinki , Finland
| | | | | | | | - Jukka Partanen
- Finnish Red Cross Blood Service, Research and Development , Helsinki , Finland
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5
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Implications of CD34+ cell dose on clinical and haematological outcome of allo-SCT for acquired aplastic anaemia. Bone Marrow Transplant 2009; 45:886-94. [DOI: 10.1038/bmt.2009.267] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chu YW, Gress RE. Murine models of chronic graft-versus-host disease: insights and unresolved issues. Biol Blood Marrow Transplant 2008; 14:365-78. [PMID: 18342778 DOI: 10.1016/j.bbmt.2007.12.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2007] [Accepted: 12/02/2007] [Indexed: 11/26/2022]
Abstract
Chronic graft-versus-host-disease (cGVHD) is a major barrier to successful allogeneic hematopoietic stem cell transplantation (allo-HSCT), with highly variable clinical presentations. The pathophysiology of cGVHD remains relatively poorly understood. The utilization of murine models to study cGVHD encompasses experimental challenges distinct from those that have been successfully used to study acute GVHD (aGVHD). Nevertheless, despite these challenges, murine models of cGVHD have contributed to the understanding of cGVHD, and highlight its mechanistic complexity. In this article, insights into the pathophysiology of cGVHD obtained from murine studies are summarized in the context of their relevancy to clinical cGVHD. Despite experimental limitations, current and future models of murine cGVHD will continue to provide insights into the understanding of clinical cGVHD and provide information for new therapeutic interventions.
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Affiliation(s)
- Yu-Waye Chu
- Experimental Transplantation and Immunology Branch, Center for Cancer Research, NIH, Bethesda 20892-1360, Maryland, USA.
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Clausen J, Wolf D, Petzer AL, Gunsilius E, Schumacher P, Kircher B, Gastl G, Nachbaur D. Impact of natural killer cell dose and donor killer-cell immunoglobulin-like receptor (KIR) genotype on outcome following human leucocyte antigen-identical haematopoietic stem cell transplantation. Clin Exp Immunol 2007; 148:520-8. [PMID: 17493020 PMCID: PMC1941931 DOI: 10.1111/j.1365-2249.2007.03360.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
To define the role of quantitative graft composition and donor killer-cell immunoglobulin-like receptor (KIR) genotype in clinical outcome following unmanipulated peripheral blood stem cell transplantation (PBSCT) from human leucocyte antigen (HLA)-identical siblings, 43 consecutive transplants for haematological malignancies were analysed retrospectively. Twenty-four patients underwent myeloablative conditioning and 19 received busulphan/fludarabine-based reduced intensity conditioning (RIC). In patients with acute myelogenous leukaemia or myelodysplastic syndrome (AML/MDS; n = 18), no relapse occurred following transplants meeting both a high (above median) natural killer (NK) cell count and missing HLA-ligand(s) to donor's KIR(s), compared to all other AML/MDS patients (0% versus 44%; P = 0.049). Missing HLA-B and/or HLA-C ligand combined with missing HLA-A3/11 (KIR3DL2 unblocked) predicted for reduced relapse incidence regardless of diagnosis or conditioning type (P = 0.028). Moreover, in AML/MDS patients, this constellation predicted superior overall survival (OS) (P = 0.046). Transplants with more than two different activating donor KIRs were associated with an increased risk for non-relapse mortality (NRM), both by univariate and multivariate analysis. Quantitative graft composition had a significant impact exclusively in RIC transplants. Here, a trend towards reduced relapse incidence was found in patients receiving high numbers of NK cells (16% versus 54%; P = 0.09). In patients receiving high versus low T cell numbers, OS was superior (83% versus 37%; P = 0.01), due mainly to reduced NRM (0% versus 33%; P = 0.046). By multivariate analysis, relapse risk was decreased significantly in patients receiving high NK cell numbers (P = 0.039). These data suggest that both the number of transplanted NK cells and the donor KIR genotype play a role in graft-versus-malignancy mechanisms in HLA-identical PBSCT.
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Affiliation(s)
- J Clausen
- Division of Hematology and Oncology, Innsbruck Medical University, Innsbruck, Austria.
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Barrett J. Improving outcome of allogeneic stem cell transplantation by immunomodulation of the early post-transplant environment. Curr Opin Immunol 2006; 18:592-8. [PMID: 16872820 DOI: 10.1016/j.coi.2006.06.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2006] [Accepted: 06/27/2006] [Indexed: 12/29/2022]
Abstract
There has been great progress in understanding the alloresponse and the process of immune recovery after stem cell transplantation. Here, we highlight ways in which transplant outcome is determined by unique immunological features of the early post-transplant period that modulate the growth and function of the grafted donor T cells and stem cells. Better understanding of these early events and more detailed knowledge of the phenotype and function of transplanted donor cells facilitate strategies to optimize immune recovery, prevent graft-versus-host disease (GVHD) and boost immunity to viruses and leukemia. Approaches that optimize CD34 cell dose, techniques to remove GVHD-reacting T cells by T cell subset selection, suicide gene insertion or selective allodepletion, and the adoptive transfer of antigen-specific T cells have reached the stage of clinical trials. Furthermore, murine transplant experiments indicate ways to prevent GVHD while preserving immune function by depletion of naïve cells, T cytotoxic 1 and T helper 1 cells, or by enrichment of regulatory T cells. Many of these approaches appear feasible in clinical transplantation and have yielded promising initial results, but proof that the goal of controlled selective immune reconstitution can be achieved is still awaited.
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Affiliation(s)
- John Barrett
- Stem Cell Allotransplantation Section, Hematology Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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Gorin NC, Labopin M, Boiron JM, Theorin N, Littlewood T, Slavin S, Greinix H, Cahn JY, Alessandrino EP, Rambaldi A, Nagler A, Polge E, Rocha V. Results of genoidentical hemopoietic stem cell transplantation with reduced intensity conditioning for acute myelocytic leukemia: higher doses of stem cells infused benefit patients receiving transplants in second remission or beyond--the Acute Leukemia Working Party of the European Cooperative Group for Blood and Marrow Transplantation. J Clin Oncol 2006; 24:3959-66. [PMID: 16880451 DOI: 10.1200/jco.2006.05.5855] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
PURPOSE Nucleated cell dose is an important and modifiable factor in hematopoietic stem cell transplantation (HSCT), however its association with outcomes in the context of reduced intensity conditioning regimen (RIC) HSCT for adults with acute myelocytic leukemia (AML) is not known. PATIENTS AND METHODS From 1998 to 2003, 253 patients with de novo AML, received transplants with RIC and peripheral blood from a genoidentical donor. Median age was 55 years (range, 18 to 72) and the median follow-up was 17 months (range, 2 to 67). One hundred forty one patients received transplants in first remission (CR1), 47 received transplants in second remission (CR2), and 65 patients received transplants in a more advanced phase. Fludarabin-based RIC was used in 91% of patients and low-dose (< 4 Gy) total-body radiation in 23% of patients. The median nucleated and CD34 cell dose infused were 9.1x 10(8)/kg and 5.8x 10(6)/kg, respectively. RESULTS Overall, 2-year leukemia-free survival (LFS) was 41% +/- 4% and it was 46% +/- 5% for patients receiving a higher cell dose (> 9.1x 10(8)/kg) and 37% +/- 5% for the remainders (P = .03). Higher cell doses exclusively benefited patients who received transplantations in CR2 or beyond, with LFS of 47 +/- 8 versus 20 +/- 8, with no detectable effect for patients who received transplants in CR1. In a multivariate analysis of the overall patient population, higher nucleated cell dose cells were associated with higher LFS (P = .04), higher incidence of chronic graft-versus-host disease (P = .01), and there was a trend towards a lower relapse incidence (P = .06). Interestingly, CD34+ cell dose was not associated with any outcomes. CONCLUSION Nucleated cell dose is an important factor that can be modified to improve results of RIC for patients with AML transplanted later than in CR1.
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Affiliation(s)
- Norbert-Claude Gorin
- Department of Haematology and Cell Therapy, Hopital Saint-Antoine, Asistance Publique Hopitaux de Paris and Université Paris 6, Pierre et Marie Curie, France.
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Abbasian J, Mahmud D, Mahmud N, Chunduri S, Araki H, Reddy P, Hoffman R, Arpinati M, Ferrara JLM, Rondelli D. Allogeneic T cells induce rapid CD34+ cell differentiation into CD11c+CD86+ cells with direct and indirect antigen-presenting function. Blood 2006; 108:203-8. [PMID: 16478883 PMCID: PMC1895833 DOI: 10.1182/blood-2005-11-4330] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Dendritic cells (DCs) derive from CD34+ cells or monocytes and stimulate alloimmune responses in transplantation. We hypothesized that the interaction between CD34+ cells and allogeneic T cells would influence the function of hematopoietic stem cells (HSCs). Cord blood (CB) CD34+ cells proliferated briskly in response to allogeneic, but not autologous, T cells when mixed with irradiated T cells for 6 days in vitro. This proliferation was significantly inhibited by an anti-HLA class II monoclonal antibody (mAb), by an anti-TNFalpha mAb, or by CTLA4-Ig. Allogeneic T cells induced the differentiation of CD34+ progenitors into cells with the morphology of dendritic monocytic precursors and characterized by the expression of HLA-DR, CD86, CD40, CD14, and CD11c, due to an endogenous release of TNFalpha. Cotransplantation of CD34+ cells with allogeneic T cells into nonobese diabetic-severe combined immunodeficiency (NOD/SCID) mice resulted in a greater engraftment of myeloid CD1c+ dendritic cells compared with cotransplantation with autologous T cells. In vitro, CD34+ cell-derived antigen-presenting cells (APCs) were functionally capable of both direct and indirect presentation of alloantigens. Based on these findings, we hypothesize that in HSC transplantation the initial cross talk between allogeneic T cells and CD34+ cells may result in the increased generation of APCs that can present host alloantigens and possibly contribute to the development of graft-versus-host disease.
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Affiliation(s)
- Javaneh Abbasian
- Section Hematology/Oncology, University of Illinois at Chicago, Chicago, IL 60607-7171, USA
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