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Prisciandaro M, Santinelli E, Tomarchio V, Tafuri MA, Bonchi C, Palazzo G, Nobile C, Marinucci A, Mele M, Annibali O, Rigacci L, Vacca M. Stem Cells Collection and Mobilization in Adult Autologous/Allogeneic Transplantation: Critical Points and Future Challenges. Cells 2024; 13:586. [PMID: 38607025 PMCID: PMC11011310 DOI: 10.3390/cells13070586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/23/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
Achieving successful hematopoietic stem cell transplantation (HSCT) relies on two fundamental pillars: effective mobilization and efficient collection through apheresis to attain the optimal graft dose. These cornerstones pave the way for enhanced patient outcomes. The primary challenges encountered by the clinical unit and collection facility within a transplant program encompass augmenting mobilization efficiency to optimize the harvest of target cell populations, implementing robust monitoring and predictive strategies for mobilization, streamlining the apheresis procedure to minimize collection duration while ensuring adequate yield, prioritizing patient comfort by reducing the overall collection time, guaranteeing the quality and purity of stem cell products to optimize graft function and transplant success, and facilitating seamless coordination between diverse entities involved in the HSCT process. In this review, we aim to address key questions and provide insights into the critical aspects of mobilizing and collecting hematopoietic stem cells for transplantation purposes.
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Affiliation(s)
- Michele Prisciandaro
- Operative Research Unit of Transfusion Medicine and Cellular Therapy, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (C.B.); (G.P.); (C.N.); (A.M.)
| | - Enrico Santinelli
- Operative Research Unit of Hematology and Stem Cell Transplantation, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (E.S.); (V.T.); (M.A.T.); (M.M.); (O.A.); (L.R.)
- Program in Immunology, Molecular Medicine and Applied Biotechnologies, Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Valeria Tomarchio
- Operative Research Unit of Hematology and Stem Cell Transplantation, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (E.S.); (V.T.); (M.A.T.); (M.M.); (O.A.); (L.R.)
| | - Maria Antonietta Tafuri
- Operative Research Unit of Hematology and Stem Cell Transplantation, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (E.S.); (V.T.); (M.A.T.); (M.M.); (O.A.); (L.R.)
| | - Cecilia Bonchi
- Operative Research Unit of Transfusion Medicine and Cellular Therapy, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (C.B.); (G.P.); (C.N.); (A.M.)
| | - Gloria Palazzo
- Operative Research Unit of Transfusion Medicine and Cellular Therapy, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (C.B.); (G.P.); (C.N.); (A.M.)
| | - Carolina Nobile
- Operative Research Unit of Transfusion Medicine and Cellular Therapy, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (C.B.); (G.P.); (C.N.); (A.M.)
| | - Alessandra Marinucci
- Operative Research Unit of Transfusion Medicine and Cellular Therapy, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (C.B.); (G.P.); (C.N.); (A.M.)
| | - Marcella Mele
- Operative Research Unit of Hematology and Stem Cell Transplantation, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (E.S.); (V.T.); (M.A.T.); (M.M.); (O.A.); (L.R.)
| | - Ombretta Annibali
- Operative Research Unit of Hematology and Stem Cell Transplantation, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (E.S.); (V.T.); (M.A.T.); (M.M.); (O.A.); (L.R.)
| | - Luigi Rigacci
- Operative Research Unit of Hematology and Stem Cell Transplantation, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (E.S.); (V.T.); (M.A.T.); (M.M.); (O.A.); (L.R.)
| | - Michele Vacca
- Operative Research Unit of Transfusion Medicine and Cellular Therapy, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Roma, Italy; (C.B.); (G.P.); (C.N.); (A.M.)
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Sumii Y, Fujii K, Kondo T, Urata T, Kimura M, Fujiwara H, Asada N, Ennishi D, Nishimori H, Matsuoka KI, Otsuka F, Maeda Y, Fujii N. Evaluating the efficiency and safety of large-volume leukapheresis using the Spectra Optia continuous mononuclear cell collection protocol for peripheral blood stem cell collection from healthy donors: A retrospective study. Transfusion 2023; 63:2120-2130. [PMID: 37792312 DOI: 10.1111/trf.17563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023]
Abstract
BACKGROUND Large-volume leukapheresis (LVL) refers to processing of more than three volumes of blood in a single session for peripheral blood stem cell collection. Recently, continuous mononuclear cell collection (cMNC) protocol has been developed using the Spectra Optia system, which is a widely used apheresis device. LVL using the novel protocol has been investigated in patients. However, the efficiency and safety of LVL in healthy donors using this protocol has not been characterized. Therefore, this study aimed to evaluate the efficiency and tolerability of CD34+ collection of LVL with the cMNC protocol in healthy donors. STUDY DESIGN AND METHODS We retrospectively collected data on LVL (>3 total blood volume) and normal-volume leukapheresis (NVL) performed in healthy donors between October 2019 and December 2021. All procedures were performed using the cMNC protocol. RESULTS Although pre-apheresis CD34+ cell count was lesser in LVL (23.5 vs. 58.0/μL, p < .001), CD34+ collection efficiency was comparable between LVL and NVL (61.2% vs. 61.4%, p = .966). Platelet loss was significantly higher in LVL compared to NVL (38.0% vs. 29.4%, p < .001), with no correlation between attrition of platelet and processing blood volume. Moreover, the incidence of citrate toxicity during procedures was comparable between the two groups (31.6% vs. 21.4%, p = .322). All LVL procedures could be completed without any adverse events. CONCLUSION Allogeneic LVL procedure using Spectra Optia cMNC protocol was well tolerated by the donors and resulted in efficient collection of CD34+ cells, which was comparable to that of NVL.
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Affiliation(s)
- Yuichi Sumii
- Division of Blood Transfusion, Okayama University Hospital, Okayama, Japan
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Keiko Fujii
- Division of Clinical Laboratory, Okayama University Hospital, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Takumi Kondo
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Tomohiro Urata
- Division of Blood Transfusion, Okayama University Hospital, Okayama, Japan
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Maiko Kimura
- Division of Blood Transfusion, Okayama University Hospital, Okayama, Japan
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Hideaki Fujiwara
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Noboru Asada
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Daisuke Ennishi
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama, Japan
| | - Hisakazu Nishimori
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
| | - Ken-Ichi Matsuoka
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Fumio Otsuka
- Division of Clinical Laboratory, Okayama University Hospital, Okayama, Japan
- Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshinobu Maeda
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Nobuharu Fujii
- Division of Blood Transfusion, Okayama University Hospital, Okayama, Japan
- Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
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Ai J. Take a spin: Apheresis in the care of adult leukaemia patients. Best Pract Res Clin Haematol 2023; 36:101467. [PMID: 37353291 DOI: 10.1016/j.beha.2023.101467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 06/25/2023]
Abstract
Apheresis is an automated process to separate the whole blood of a patient or a donor, collect or remove specific blood components, and return the remaining back to the individual. Apheresis is an integral part of blood and marrow transplantation and has been increasingly utilized in novel cellular therapies for a variety of blood disorders. This review uses clinical cases to highlight the multiple roles of apheresis in the care of adult leukaemia patients, including therapeutic leukapheresis in hyperleukocytosis, mobilized peripheral blood hematopoietic progenitor cell collection in donors, mononucleated cell collection in preparation of donor lymphocyte infusion or chimeric antigen receptor T cells manufacture, and extracorporeal photopheresis in the treatment of graft versus host diseases.
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Affiliation(s)
- Jing Ai
- Transplant and Cellular Therapy Program, Levine Cancer Institute, Atrium Health, 1021 Morehead Medical Drive, LCI 2, Charlotte, NC, 28204, USA.
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Piccirillo N, Putzulu R, Metafuni E, Massini G, Fatone F, Corbingi A, Giammarco S, Limongiello MA, Di Giovanni A, Zini G, Bacigalupo A, Teofili L, Sica S, Chiusolo P. Peripheral Blood Allogeneic Stem Cell Mobilization: Can We Predict a Suboptimal Mobilization? Transfus Med Rev 2023; 37:150725. [PMID: 37315997 DOI: 10.1016/j.tmrv.2023.150725] [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: 11/19/2022] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 06/16/2023]
Abstract
Allogeneic peripheral blood stem cells mobilization is now the basis of most stem cell transplants. In a very limited number of cases, mobilization is suboptimal leading to further collection procedures, to suboptimal cell doses infusion with delayed engraftment time, increased risks of transplant procedure and of related costs. To date we have no recognized and shared criteria for early estimating the probability of poor mobilization in healthy donors. We then analyzed allogeneic peripheral blood stem cell donations performed at the Fondazione Policlinico Universitario A.Gemelli IRCCS Hospital from January 2013 to December 2021 in order to identify premobilization factors associated with successful mobilization. The following data were collected: age, gender, weight, complete blood cell count at baseline, G-CSF dose, number of collection procedures, CD34+ cell count in peripheral blood on the first day of collection, CD34+ cell dose per kg body weight of recipient. Mobilization efficacy was defined according to the number of CD34+ cells in peripheral blood on day +5 of G-CSF administration. We classified donors as sub-optimal mobilizers or good mobilizers according to the achievement of the 50 CD34+ cell/μL threshold. We observed 30 suboptimal mobilizations in 158 allogeneic peripheral blood stem cell donations. Age and baseline white blood cell count were factors significantly associated with negative or positive impact on mobilization, respectively. We did not find significant differences in mobilization based on gender or G-CSF dose. Using cut-off values of 43 years and 5.5×109/L WBC count, we built a suboptimal mobilization score: donors who reach 2, 1 or 0 points have a 46%, 16% or 4% probability of suboptimal mobilization, respectively. Our model explains 26% of the variability of mobilization confirming that most of the mobilization magnitude depends on genetically determined factors; however, suboptimal mobilization score is a simple tool providing an early assessment of mobilization efficacy before G-CSF administration begins in order to support allogeneic stem cells selection, mobilization and collection. Through a systematic review, we looked for confirmation of our findings. According to the published articles, all the variables we included in our model are confirmed to be strongly related to the success of mobilization. We believe that score system approach could be applied in clinical practice to assess the risk of mobilization failure at baseline allowing for a priori intervention.
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Affiliation(s)
- Nicola Piccirillo
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy; Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Rossana Putzulu
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Elisabetta Metafuni
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Giuseppina Massini
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Federica Fatone
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Andrea Corbingi
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Sabrina Giammarco
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Maria Assunta Limongiello
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy
| | - Alessia Di Giovanni
- Hematology Unit, Center for Translational Medicine, Azienda USL Toscana NordOvest, Livorno, Italy
| | - Gina Zini
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy; Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Andrea Bacigalupo
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy; Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Luciana Teofili
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy; Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Simona Sica
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy; Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy.
| | - Patrizia Chiusolo
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome, Italy; Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro Cuore, Rome, Italy
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Sosa RA, Mone T, Naini BV, Kohn DB, Reed EF, Wheeler K, Campo-Fernandez B, Davila A, Chaffin DJ, DiNorcia J, Kaldas FM, Cohen A, Lum EL, Veale JL, Kogut NM. Apheresis of Deceased Donors as a New Source of Mobilized Peripheral Blood Hematopoietic Stem Cells for Transplant Tolerance. Transplantation 2023; 107:504-510. [PMID: 35974436 PMCID: PMC9877104 DOI: 10.1097/tp.0000000000004288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Solid organ transplantation is the therapy of choice for many patients with end-stage organ failure; however, recipients must remain on lifelong immunosuppression, leaving them susceptible to infections and cancer. The study of transplant tolerance to prolong graft survival in the absence of immunosuppression has been restricted to recipients of living donor allografts; however, deceased donors significantly outnumber living donors. Mobilization of hematopoietic stem cells (HSCs) from the bone marrow to peripheral blood (PB) could allow PB-HSCs to be used to induce tolerance in deceased donor kidney recipients; however, a major concern is the well-known concomitant mobilization of immune cells into the liver. METHODS We mobilized HSCs to the PD using a protocol of 2 doses of granulocyte colony-stimulating factor and 1 dose of plerixafor, followed by the collection of mobilized cells via apheresis in 3 deceased donors. The physiological, laboratory, and radiographic parameters were monitored throughout the procedure. Longitudinal biopsies were performed to assess the potential for ectopic liver mobilization. RESULTS The use of both agents led to the successful mobilization of peripheral blood CD34+ cells, demonstrating the potential for use in transplant tolerance protocols. Increased immune cell trafficking into the liver was not observed, and apheresis of mobilized cells resulted in a uniform decrease in all liver leukocyte subsets. CONCLUSIONS HSCs can be mobilized and collected from the PB of brain-dead donors. This new approach may facilitate the dissemination of immune tolerance trials beyond living-donor kidney transplantation to deceased-donor transplantation, without sacrificing the transplantability of the liver.
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Affiliation(s)
- Rebecca A. Sosa
- Dept of Pathology and Lab Medicine, UCLA, Los Angeles, CA
- UCLA Immunogenetics Center, Los Angeles, CA
| | | | - Bita V. Naini
- Dept of Pathology and Lab Medicine, UCLA, Los Angeles, CA
| | - Donald B. Kohn
- Department of Microbiology, Immunology & Molecular Genetics, UCLA, Los Angeles, CA
- Dept of Pediatrics, Los Angeles, CA
- Dept of Molecular & Medical Pharmacology, Los Angeles, CA
| | - Elaine F. Reed
- Dept of Pathology and Lab Medicine, UCLA, Los Angeles, CA
- UCLA Immunogenetics Center, Los Angeles, CA
| | | | | | - Alejandra Davila
- Department of Microbiology, Immunology & Molecular Genetics, UCLA, Los Angeles, CA
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Gene Editing in Human Haematopoietic Stem Cells for the Treatment of Primary Immunodeficiencies. Mol Diagn Ther 2023; 27:15-28. [PMID: 36239917 DOI: 10.1007/s40291-022-00618-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2022] [Indexed: 02/04/2023]
Abstract
In recent years, gene-editing technologies have revolutionised precision medicine, and human trials of this technology have been reported in cell-based cancer therapies and other genetic disorders. The same techniques have the potential to reverse mutations in monogenic primary immunodeficiencies (PIDs), and transplantation of edited haematopoietic stem cells may provide a functional cure for these diseases. In this review, we discuss the methods of gene editing being explored and describe progress made so far with several PIDs. We also detail the remaining challenges, how to confidently detect off-target effects and chromosomal abnormalities in a timely manner, how to obtain long-term benefits, and how to achieve physiological levels of expression of the therapeutic gene. With advances in gene editing, we envisage a robust clinical translation of this technology in the coming decade.
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Husby S, Jørgensen GØ, Favero F, Jespersen JS, Rodriguez-Gonzalez FG, Nielsen C, Sorensen B, Ebbesen LH, Bæch J, Haastrup EK, Josefsson P, Thorsgaard M, Brown P, El-Galaly TC, Larsen TS, Weischenfeldt J, Grønbæk K. Level of unique T cell clonotypes is associated with clonal hematopoiesis and survival in patients with lymphoma undergoing ASCT. Bone Marrow Transplant 2022; 57:674-677. [DOI: 10.1038/s41409-022-01580-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/20/2021] [Accepted: 01/12/2022] [Indexed: 11/09/2022]
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Žorž N, Poglajen G, Frljak S, Knezevič I, Vrtovec B. Transendocardial CD34 + Cell Therapy Improves Local Mechanical Dyssynchrony in Patients With Nonischemic Dilated Cardiomyopathy. Cell Transplant 2022; 31:9636897221080384. [PMID: 35320035 PMCID: PMC8949703 DOI: 10.1177/09636897221080384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We investigated the effects of cell therapy on local mechanical dyssynchrony (LMD) in patients with nonischemic dilated cardiomyopathy (NICM). We analyzed electromechanical data of 30 NICM patients undergoing CD34+ cell transplantation. All patients underwent bone marrow stimulation; CD34+ cells were collected by apheresis and injected transendocardially. At baseline and at 6 months after therapy, we performed electromechanical mapping and measured unipolar voltage (UV) and LMD at cell injection sites. LMD was defined as a temporal difference between global and segmental peak systolic displacement normalized to the average duration of the RR interval. Favorable clinical response was defined as increase in the left ventricular ejection fraction (LVEF) ≥5% between baseline and 6 months. Using paired electromechanical point-by-point analysis, we were able to identify 233 sites of CD34+ cell injections in 30 patients. We found no overall differences in local UV between baseline and 6 months (10.7 ± 4.1 mV vs 10.0 ± 3.6 mV, P = 0.42). In contrast, LMD decreased significantly (17 ± 17% at baseline vs 13 ± 12% at 6 months, P = 0.00007). Favorable clinical response at 6 months was found in 19 (63%) patients (group A), and 11 (37%) patients did not respond to cell therapy (group B). At baseline, the two groups did not differ in age, gender, LVEF, or N terminal-pro brain natriuretic peptide (NT-proBNP) levels. Similarly, we found no differences in baseline UV (9.5 ± 2.9 mV in group A vs 8.6 ± 2.4 mV in group B, P = 0.41) or LMD at cell injection sites (17 ± 19% vs 16 ± 14%, P = 0.64). In contrast, at 6 months, we found higher UV in group A (10.0 ± 3.1 mV vs 7.4 ± 1.9 mV in group B, P = 0.04). Furthermore, when compared with group B, patients in group A displayed a significantly lower LMD (11 ± 12% vs 16 ± 10%, P = 0.002). Thus, it appears that favorable clinical effects of cell therapy in NICM patients may be associated with a decrease of LMD at cell injection sites.
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Affiliation(s)
- Neža Žorž
- Advanced Heart Failure and Transplantation Center, Department of Cardiology, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Gregor Poglajen
- Advanced Heart Failure and Transplantation Center, Department of Cardiology, University Medical Center Ljubljana, Ljubljana, Slovenia.,Department of Internal Medicine, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Sabina Frljak
- Advanced Heart Failure and Transplantation Center, Department of Cardiology, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Ivan Knezevič
- Department of Cardiovascular Surgery, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Bojan Vrtovec
- Advanced Heart Failure and Transplantation Center, Department of Cardiology, University Medical Center Ljubljana, Ljubljana, Slovenia.,Department of Internal Medicine, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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9
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Kobayashi Y, Kida Y, Kabuto Y, Morihara T, Sukenari T, Nakagawa H, Onishi O, Oda R, Kida N, Tanida T, Matsuda KI, Tanaka M, Takahashi K. Healing Effect of Subcutaneous Administration of Granulocyte Colony-Stimulating Factor on Acute Rotator Cuff Injury in a Rat Model. Tissue Eng Part A 2021; 27:1205-1212. [PMID: 34432525 DOI: 10.1089/ten.tea.2020.0239.a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Granulocyte colony-stimulating factor (G-CSF) is a cytokine that mobilizes bone marrow-derived cells (BMDCs) to peripheral blood and has been clinically used to treat neutropenia. Previously, we reported that BMDCs migrated into the rotator cuff repair site via peripheral blood in the healing process. However, techniques to accelerate the healing process using the peripheral blood pathway have not been established. We evaluated whether G-CSF has a noteworthy effect on improving rotator cuff healing by enhancing the influx of BMDCs into the peripheral blood. We used Sprague-Dawley rats and chimeric rats, selectively expressing green fluorescent protein (GFP) in BMDCs. Their bilateral supraspinatus tendons were resected and sutured to the greater tuberosity of the humerus using the Masson-Allen technique, and G-CSF was subcutaneously injected for 5 days after surgery. Several GFP-positive cells were observed around the enthesis in the G-CSF-treated group compared with that in the Control group. Histological analysis revealed that the tendon-to-bone maturing scores and the Safranin O-stained cartilaginous areas were significantly higher in G-CSF-injected rats than in the control rats at weeks 4 and 8 after surgery. Consistently, the ultimate force to failure in the G-CSF-treated group significantly increased compared with the Control group at weeks 4 and 8 after surgery. These results suggest that BMDCs mobilized into the peripheral blood after G-CSF administration migrated to the rotator cuff repair area and effectively enhanced rotator cuff healing by promoting tenocyte and cartilage matrix production. In conclusion, the BMDC mobilization technique by G-CSF treatment via peripheral blood will provide a potential therapeutic approach for rotator cuff healing with clinically relevant applications. Impact statement As the retear rate following rotator cuff repair is high, new methods to aid its healing are required. Granulocyte colony-stimulating factor (G-CSF) has been used clinically and may represent a novel approach to treating rotator cuff tear. Herein, using a rat model, we elucidate the kinetics of bone marrow-derived mesenchymal stem cells at the repair site following G-CSF administration and describe the underlying mechanism by which G-CSF can help promote the repair of the rotator cuff.
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Affiliation(s)
- Yusuke Kobayashi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshikazu Kida
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yukichi Kabuto
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Toru Morihara
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tsuyoshi Sukenari
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Haruhiko Nakagawa
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Okihiro Onishi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ryo Oda
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Noriyuki Kida
- Faculty of Arts and Sciences, Kyoto Institute of Technology, Kyoto, Japan
| | - Takashi Tanida
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ken Ichi Matsuda
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masaki Tanaka
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kenji Takahashi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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10
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Frljak S, Poglajen G, Zemljic G, Cerar A, Haddad F, Terzic A, Vrtovec B. Larger End-Diastolic Volume Associates With Response to Cell Therapy in Patients With Nonischemic Dilated Cardiomyopathy. Mayo Clin Proc 2020; 95:2125-2133. [PMID: 33012343 PMCID: PMC7539130 DOI: 10.1016/j.mayocp.2020.02.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/13/2020] [Indexed: 12/28/2022]
Abstract
OBJECTIVE To investigate the association of left ventricular end-diastolic volume (LVEDV) and the response to cell therapy in patients with nonischemic dilated cardiomyopathy (NICM). PATIENTS AND METHODS Five-year registry data from 133 consecutive patients with NICM who underwent CD34+ cell treatment were analyzed. All patients received granulocyte-colony stimulating factor; CD34+ cells were collected by apheresis and delivered by transendocardial injections. Patients with baseline LVEDV less than 200 mL (group A; n=72) and patients with LVEDV 200 to 370 mL (group B; n=54) were included. Patients with LVEDV greater than 370 mL were excluded (n=7). Favorable ejection fraction response was pre-defined by improvement in left ventricular ejection fraction (LVEF) greater than or equal to 5% at 1 y post-cell therapy. RESULTS At baseline, groups A and B were comparable with regards to age (52±11 y in group A vs 53±10 y in group B; P=.95), sex (male: 79% vs 83%, respectively; P=.55), creatinine (1.07±0.28 mg/dL vs 1.03±0.21 mg/dL, respectively; P=.21), or N-terminal probrain natriuretic peptide (1454±1658 pg/mL vs 1589±1338 pg/mL, respectively; P=.80). Baseline LVEF was higher in group A (32.8±8.7%) than in group B (30.2±8.7%; P=.03). During follow-up, there were four deaths in group A (5.6%), and 2 in group B (3.7%, P=.63). At 1-year post-cell therapy, LVEDV decreased significantly in group B (-56±30 mL; P=.003), but not in group A (+12±97 mL; P=.13). On multivariate analysis, baseline LVEDV was an independent correlate of favorable response in LVEF to therapy (P=.02). CONCLUSION Larger LVEDV was associated with more pronounced increase in LVEF after transendocardial CD34+ cell therapy in NICM patients, informing target individuals with the highest likelihood of regenerative response. TRIAL REGISTRATION clinicaltrials.gov identifier: NCT02445534.
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Affiliation(s)
- Sabina Frljak
- Advanced Heart Failure and Transplantation Center, UMC Ljubljana, Slovenia
| | - Gregor Poglajen
- Advanced Heart Failure and Transplantation Center, UMC Ljubljana, Slovenia
| | - Gregor Zemljic
- Advanced Heart Failure and Transplantation Center, UMC Ljubljana, Slovenia
| | - Andraz Cerar
- Advanced Heart Failure and Transplantation Center, UMC Ljubljana, Slovenia
| | - Francois Haddad
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA
| | - Andre Terzic
- Center for Regenerative Medicine, Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Bojan Vrtovec
- Advanced Heart Failure and Transplantation Center, UMC Ljubljana, Slovenia.
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11
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Favorable Response to CD34+ Cell Therapy Is Associated with a Decrease of Galectin-3 Levels in Patients with Chronic Heart Failure. DISEASE MARKERS 2019; 2019:8636930. [PMID: 31885743 PMCID: PMC6925830 DOI: 10.1155/2019/8636930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/26/2019] [Indexed: 12/19/2022]
Abstract
Background Galectin-3 plasma levels (gal-3) were shown to correlate with the scar burden in chronic heart failure (CHF) setting. As scar burden predicts response to stem cell therapy, we sought to explore a correlation between gal-3 and response to CD34+ cell transplantation in patients with CHF. Methods We performed a post hoc analysis of patients, enrolled in 2 prospective trials investigating the clinical effects of CD34+ cell therapy in patients with ischemic cardiomyopathy (ICMP) and nonischemic dilated cardiomyopathy (DCMP). CD34+ cells were mobilized by G-CSF, collected via apheresis, and injected transendocardially using NOGA system. Patients were followed for 3 months and demographic, echocardiographic, and biochemical parameters and gal-3 were analyzed at baseline and at follow-up. Response to cell therapy was defined as an LVEF increase of ≥5%. Results 61 patients were included in the analysis. The mean age of patients was 52 years and 83% were male. DCMP and ICMP were present in 69% and 31% of patients, respectively. The average serum creatinine was 86 ± 23 μmol/L, NT-proBNP 1132 (IQR 350-2279) pg/mL, and LVEF 30 ± 6%. Gal-3 at baseline and at 3 months did not differ significantly (13.4 ± 5.5 ng/mL vs. 13.1 ± 5.8 ng/mL; p = 0.72), and there were no differences in baseline gal-3 with respect to heart failure etiology (15.1 ± 7.2 ng/mL in ICMP vs. 12.7 ± 4.3 ng/mL in DCMP; p = 0.12). Comparing responders (N = 49) to nonresponders (N = 18), we found no differences in baseline gal-3 (13.6 ± 5.7 ng/mL vs. 13.2 ± 4.9 ng/mL; p = 0.80). However, responders had significantly lower gal-3 at 3-month follow-up (12.1 ± 4.0 ng/mL vs. 15.7 ± 8.4 ng/mL; p < 0.05). Also, responders demonstrated a significant decrease in gal-3 over 3 months, while in nonresponders, an increase in gal-3 occurred (−1.5 ± 5.4 ng/mL vs. +2.7 ± 4.3 ng/mL; p = 0.01). Conclusions In patients with chronic heart failure undergoing CD34+ cell therapy, a decrease in galectin-3 plasma levels is associated with beneficial response to this treatment modality. Further prospective data is warranted to confirm our findings and to deepen our understanding of the role of gal-3 in the field of stem cell therapy.
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12
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Zheng G, He J, Cai Z, He D, Luo Y, Shi J, Wei G, Sun J, Zheng W. A retrospective study of autologous stem cell mobilization by G-CSF in combination with chemotherapy in patients with multiple myeloma and lymphoma. Oncol Lett 2019; 19:1051-1059. [PMID: 31897218 DOI: 10.3892/ol.2019.11177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 08/08/2019] [Indexed: 01/18/2023] Open
Abstract
Factors affecting peripheral blood hematopoietic stem cell (PBSC) mobilization and collection were investigated in patients with multiple myeloma (MM) and lymphoma who were undergoing chemotherapy. Clinical data from 128 patients, including 53 MM and 75 malignant lymphoma (7 Hodgkin's lymphoma and 68 non-Hodgkin's lymphoma) cases were retrospectively analyzed. Autologous PBSCs were mobilized using granulocyte-colony stimulating factor (G-CSF) during chemotherapy, and collected using a continuous flow cell separation instrument. The yields of CD34+ cells per kilogram of patient body weight <2.0×106/kg, >2.0×106/kg or >5.0×106/kg were defined as a failure, a success or ideal mobilization, respectively. In MM and lymphoma patients, the success rates of CD34+ cell acquisition were 73.6 (39/53) and 58.7% (44/75), the ideal rates were 43.4 (23/53) and 30.7% (23/75), and the failure rates were 26.4 (14/53) and 41.3% (31/75), respectively. Univariate and multivariate statistical analysis revealed that negative factors for PBSC mobilization in patients with MM were lenalidomide treatment, multiple chemotherapies, incomplete disease remission and low-level blood hemoglobin; in patients with lymphoma, the negative factors were the histological disease type, incomplete disease remission, being beyond the first-line of previous chemotherapy, multiple chemotherapies, chemotherapy with the HyperCVAD-B mobilization scheme, high-dose MTX/Ara-c (methotrexate/cytarabine) treatment, prolonged administration of G-CSF and low-hematocrit levels. In the present study, different factors influencing PBSC mobilization and collection in MM and lymphoma cases were identified. PBSC mobilization yielded sufficient CD34+ cell counts both in MM and lymphoma patients; however, the failure rates were relatively high.
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Affiliation(s)
- Gaofeng Zheng
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Jingsong He
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Zhen Cai
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Donghua He
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Yi Luo
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Jimin Shi
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Guoqing Wei
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Jie Sun
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
| | - Weiyan Zheng
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University and First Hospital of Zhejiang Province, Hangzhou, Zhejiang 310001, P.R. China
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13
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Allen ES, Conry-Cantilena C. Mobilization and collection of cells in the hematologic compartment for cellular therapies: Stem cell collection with G-CSF/plerixafor, collecting lymphocytes/monocytes. Semin Hematol 2019; 56:248-256. [PMID: 31836031 DOI: 10.1053/j.seminhematol.2019.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 11/01/2019] [Indexed: 12/13/2022]
Abstract
An essential and influential first step in all cellular therapies is collecting donor or patient cells. In hematopoietic progenitor cell transplantation, autologous or allogeneic hematopoietic progenitor cells (HPCs) are collected from either the bone marrow or the peripheral blood. Peripheral blood collection by apheresis requires mobilization with chemotherapy, granulocyte colony stimulating factor (G-CSF), plerixafor, or a combination. The modalities of mobilization and collection each carry a unique set of risks and benefits for both the donor and the recipient. In other types of cell therapy, most notably chimeric antigen receptor T cells, lymphocytes or monocytes are collected from the peripheral blood. The risks of collecting these cells by apheresis are similar to HPCs, but less is known about the composition, timing and qualitative cell characteristics which contribute to an optimal collection. Here, we review the mobilization and collection of HPCs and the collection of lymphocytes and monocytes. Donor safety is of primary importance when collecting material for any type of cell therapy. Every aspect of mobilization and collection can be studied and potentially optimized to improve patient outcomes.
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Affiliation(s)
- Elizabeth S Allen
- Department of Pathology, University of California San Diego, La Jolla, CA.
| | - Cathy Conry-Cantilena
- Department of Transfusion Medicine, National Institutes of Health Clinical Center, Bethesda, MD
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14
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Iberl S, Meyer AL, Müller G, Peters S, Johannesen S, Kobor I, Beier F, Brümmendorf TH, Hart C, Schelker R, Herr W, Bogdahn U, Grassinger J. Effects of continuous high-dose G-CSF administration on hematopoietic stem cell mobilization and telomere length in patients with amyotrophic lateral sclerosis - a pilot study. Cytokine 2019; 120:192-201. [PMID: 31100684 DOI: 10.1016/j.cyto.2019.05.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 04/23/2019] [Accepted: 05/05/2019] [Indexed: 12/11/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease of complex and still poorly understood etiology. Loss of upper and lower motoneurons results in death within few years after diagnosis. Recent studies have proposed neuroprotective and disease-slowing effects of granulocyte-colony stimulating factor (G-CSF) treatment in ALS mouse models as well as humans. In this study, six ALS patients were monitored up to 3.5 years during continuous high-dose G-CSF administration. Repetitive analyses were performed including blood count parameters, CD34+ hematopoietic stem and progenitor cell (HSPC) and colony forming cell (CFC) counts, serum cytokine levels and leukocyte telomere length. We demonstrate that continuous G-CSF therapy was well tolerated and safe resulting in only mild adverse events during the observation period. However, no mobilization of CD34+ HSPC was detected as compared to baseline values. CFC mobilization was equally low and even a decrease of myeloid precursors was observed in some patients. Assessment of telomere length within ALS patients' leukocytes revealed that G-CSF did not significantly shorten telomeres, while those of ALS patients were shorter compared to age-matched healthy controls, irrespective of G-CSF treatment. During G-CSF stimulation, TNF-alpha, CRP, IL-16, sVCAM-1, sICAM-1, Tie-2 and VEGF were significantly increased in serum whereas MCP-1 levels decreased. In conclusion, our data show that continuous G-CSF treatment fails to increase circulating CD34+ HSPC in ALS patients. Cytokine profiles revealed G-CSF-mediated immunomodulatory and proteolytic effects. Interestingly, despite intense G-CSF stimulation, telomere length was not significantly shortened.
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Affiliation(s)
- Sabine Iberl
- Department of Hematology and Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany.
| | - Anne-Louise Meyer
- Department of Neurology, University Hospital Regensburg, Regensburg, Germany
| | - Gunnar Müller
- Department of Hematology and Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany
| | - Sebastian Peters
- Department of Neurology, University Hospital Regensburg, Regensburg, Germany
| | - Siw Johannesen
- Department of Neurology, University Hospital Regensburg, Regensburg, Germany
| | - Ines Kobor
- Department of Neurology, University Hospital Regensburg, Regensburg, Germany
| | - Fabian Beier
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, RWTH Aachen University Medical School, Aachen, Germany
| | - Tim H Brümmendorf
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, RWTH Aachen University Medical School, Aachen, Germany
| | - Christina Hart
- Department of Hematology and Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany
| | - Roland Schelker
- Department of Hematology and Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany
| | - Wolfgang Herr
- Department of Hematology and Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany
| | - Ulrich Bogdahn
- Department of Neurology, University Hospital Regensburg, Regensburg, Germany
| | - Jochen Grassinger
- Department of Hematology and Oncology, Internal Medicine III, University Hospital Regensburg, Regensburg, Germany; Department of Oncology and Hematology, St. Elisabeth Hospital, Straubing, Germany
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15
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Martino M, Gori M, Moscato T, Naso V, Ferreri A, Provenzano F, Loteta B, Sanguedolce MC, Console G, Dattola A, Pucci G, Gentile M, Morabito A, Recchia AG, Tripepi G, Pitino A. Challenge to Predict Mobilized Peripheral Blood Stem Cells on the Fourth Day of Granulocyte Colony-Stimulating Factor Treatment in Healthy Donors: Predictive Value of Basal CD34 + Cell and Platelet Counts. Biol Blood Marrow Transplant 2019; 25:1586-1591. [PMID: 31002994 DOI: 10.1016/j.bbmt.2019.04.011] [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: 12/31/2018] [Revised: 04/06/2019] [Accepted: 04/09/2019] [Indexed: 10/27/2022]
Abstract
A longitudinal, prospective, observational, single-center cohort study on healthy donors was designed to identify predictors of CD34+ cell mobilization on day 4 after granulocyte colony-stimulating factor (G-CSF) administration. As potential predictors of mobilization, age, sex, body weight, height, blood volume, WBC count, peripheral blood (PB) mononuclear cell count, platelet (Plt) count, and hematocrit and hemoglobin levels were considered. Two different evaluations of CD34+ cell counts were determined for each donor: baseline (before G-CSF administration) and in PB on day 4 after G-CSF administration. One hundred twenty-two consecutive healthy donors with a median age of 47.5 years were enrolled. The median value of CD34+ on day 4 was 43 cells/µL (interquartile range, 23 to 68), and 81.1% of donors had ≥20 cells/µL. Basal WBC count, Plt count, and CD34+ were significantly higher for the subjects with CD34+ levels over median values on day 4. A multivariate quartile regression analysis, adjusted by sex, age, basal CD34+, and basal Plt count, showed a progressively stronger relationship between baseline CD34+ and Plt levels and the CD34+ levels on day 4. The basal CD34+ cut-off level to predict the levels of CD34+ on day 4 was either ≤2 cells/μL or ≥3 cells/μL and that of basal Plt count was ≤229 × 109/L or ≥230 × 109/L, respectively, to determine whether mobilization therapy should or should not be attempted. PB stem cell mobilization with G-CSF was highly effective on day 4, and herein we describe a model for predicting the probability of performing PB stem cell collection after a short course of G-CSF.
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Affiliation(s)
- Massimo Martino
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy.
| | - Mercedes Gori
- Institute of Clinical Physiology (IFC-CNR), Rome, Italy
| | - Tiziana Moscato
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Virginia Naso
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Anna Ferreri
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Fabio Provenzano
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Barbara Loteta
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Maria Cristina Sanguedolce
- Stem Cell Transplant Program, Processing Facility Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Giuseppe Console
- Stem Cell Transplant Program, Clinical Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Antonia Dattola
- Stem Cell Transplant Program, Processing Facility Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Giulia Pucci
- Stem Cell Transplant Program, Processing Facility Section, Department of Hemato-Oncology and Radiotherapy, Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | - Massimo Gentile
- Hematology Unit, Department of Hemato-Oncology, Ospedale Annunziata, Cosenza, Italy
| | - Antonella Morabito
- Complex Operative Unit "Hospital Pharmacy", Grande Ospedale Metropolitano Bianchi-Melacrino-Morelli, Reggio Calabria, Italy
| | | | - Giovanni Tripepi
- CNR-IFC, Research Unit of Reggio Calabria, Reggio Calabria, Italy
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16
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Vrtovec B, Poglajen G, Sever M, Zemljic G, Frljak S, Cerar A, Cukjati M, Jaklic M, Cernelc P, Haddad F, Wu JC. Effects of Repetitive Transendocardial CD34
+
Cell Transplantation in Patients With Nonischemic Dilated Cardiomyopathy. Circ Res 2018; 123:389-396. [DOI: 10.1161/circresaha.117.312170] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Bojan Vrtovec
- From the Advanced Heart Failure and Transplantation Center (B.V., G.P., G.Z., S.F., A.C., M.J.)
| | - Gregor Poglajen
- From the Advanced Heart Failure and Transplantation Center (B.V., G.P., G.Z., S.F., A.C., M.J.)
| | | | - Gregor Zemljic
- From the Advanced Heart Failure and Transplantation Center (B.V., G.P., G.Z., S.F., A.C., M.J.)
| | - Sabina Frljak
- From the Advanced Heart Failure and Transplantation Center (B.V., G.P., G.Z., S.F., A.C., M.J.)
| | - Andraz Cerar
- From the Advanced Heart Failure and Transplantation Center (B.V., G.P., G.Z., S.F., A.C., M.J.)
| | - Marko Cukjati
- UMC Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.)
| | - Martina Jaklic
- From the Advanced Heart Failure and Transplantation Center (B.V., G.P., G.Z., S.F., A.C., M.J.)
| | | | - François Haddad
- Stanford Cardiovascular Institute, Stanford University School of Medicine, CA (F.H., J.C.W.)
| | - Joseph C. Wu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, CA (F.H., J.C.W.)
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17
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Spoerl S, Wäscher D, Nagel S, Peschel C, Verbeek M, Götze K, Krackhardt AM. Evaluation of the new continuous mononuclear cell collection protocol versus an older version on two different apheresis machines. Transfusion 2018; 58:1772-1780. [DOI: 10.1111/trf.14644] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 02/04/2018] [Accepted: 02/08/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Silvia Spoerl
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Dagmar Wäscher
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Stefanie Nagel
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Christian Peschel
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Mareike Verbeek
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Katharina Götze
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Angela M. Krackhardt
- 3rd Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
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18
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Karasu G, Uygun V, Yesilipek A. Factors associated with peripheral blood stem cell yield in healthy pediatric donors. Transfus Apher Sci 2017; 56:819-824. [DOI: 10.1016/j.transci.2017.11.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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19
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Peripheral blood stem cell collection for allogeneic hematopoietic stem cell transplantation: Practical implications after 200 consequent transplants. Transfus Apher Sci 2017; 56:800-803. [DOI: 10.1016/j.transci.2017.11.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Flegel WA, Byrne KM, Klein HG. Flashback 1997: collection of hematopoietic progenitor cells by peripheral blood apheresis after stimulation with granulocyte-colony-stimulating factor. Transfusion 2017; 57:3067-3068. [PMID: 28924982 DOI: 10.1111/trf.14332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 08/11/2017] [Accepted: 08/11/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Willy A Flegel
- Department of Transfusion Medicine, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Karen M Byrne
- Department of Transfusion Medicine, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Harvey G Klein
- Department of Transfusion Medicine, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
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21
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Zhao S, Gu Z, Wang L, Guan L, Wang F, Yang N, Luo L, Gao Z, Song Y, Wang L, Liu D, Gao C. G-CSF inhibits LFA-1-mediated CD4 + T cell functions by inhibiting Lck and ZAP-70. Oncotarget 2017; 8:51578-51590. [PMID: 28881670 PMCID: PMC5584271 DOI: 10.18632/oncotarget.18194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 05/06/2017] [Indexed: 11/25/2022] Open
Abstract
In this study, we showed that G-CSF mobilization increased the frequency of T cells, specifically CD3+CD4+ T cells. G-CSF mobilization decreased the secretion of inflammatory cytokines of CD4+ T cells through the LFA-1/ICAM-1 signaling pathway, whereas it did not alter the TH1/TH2 ratio. We found that G-CSF mobilization inhibited LFA-1-mediated CD4+ T cell polarization and motility. In vitro, G-CSF stimulation also attenuated the polarization and adhesiveness of CD4+ T cells through the LFA-1/ICAM-1 interaction. Further investigation revealed that G-CSF mobilization suppressed LFA-1 signaling by down-regulating Lck and ZAP-70 expression in CD4+ T cells, similar results was also confirmed by in-vitro studies. These findings suggested that G-CSF directly suppressed LFA-1-mediated CD4+ T cell functions through the down-regulation of Lck and ZAP-70. The immunosuppressive effect of G-CSF mobilization deepened our understanding about peripheral blood hematopoietic stem cell transplantation. LFA-1/ICMA-1 pathway may become a potential target for graft-versus-host disease prophylaxis.
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Affiliation(s)
- Shasha Zhao
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China.,Medical School, Nankai University, Tianjin 300071, China
| | - Zhenyang Gu
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Li Wang
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China.,Department of Hematology and Oncology, Laoshan Branch, No. 401 Hospital of Chinese PLA, Qingdao 266101, China
| | - Lixun Guan
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Feiyan Wang
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Nan Yang
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Lan Luo
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Zhe Gao
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Yingwei Song
- Department of Blood Transfusion, Chinese PLA General Hospital, Beijing 100853, China
| | - Lili Wang
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Daihong Liu
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
| | - Chunji Gao
- Department of Hematology, Chinese PLA General Hospital, Beijing 100853, China
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Yang F, Lu D, Hu Y, Huang X, Huang H, Chen J, Wu D, Wang J, Wang C, Han M, Chen H. Risk Factors for Graft-Versus-Host Disease After Transplantation of Hematopoietic Stem Cells from Unrelated Donors in the China Marrow Donor Program. Ann Transplant 2017; 22:384-401. [PMID: 28652564 PMCID: PMC6248289 DOI: 10.12659/aot.902805] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Background We identified risk factors for acute and chronic graft-versus-host disease (aGVHD and cGVHD, respectively) in recipients after hematopoietic stem cell transplantation (HSCT) from unrelated donors in the China Marrow Donor Program (CMDP). Material/Methods We analyzed follow-up clinical information from 1824 patients who underwent HSCT between 2001 and 2010. Results The incidence of aGVHD and cGVHD after transplantation was 49.29% and 27.3%, respectively. aGVHD incidence decreased as HLA matching increased (p<0.001). Incidence of aGVHD and cGVHD was higher in 2 HLA-A locus donor/recipient groups (02: 01/02: 06 and 02: 01/02: 07; p≤0.022). aGVHD incidence was associated with patient age, absence of rabbit anti-thymocyte globulin (ATG) pretreatment, and disease status (p≤0.040). aGVHD appeared to be a risk factor for cGVHD, and total body irradiation (TBI) was also associated with cGVHD. Patients with cGVHD after transplantation had a higher survival rate than patients without cGVHD (p<0.001), which may be due to reduced relapse rates. Survival was also associated with ATG prophylaxis and disease status. Conclusions The incidence of GVHD after HSCT from unrelated donors in the Chinese population is similar to the results reported from other countries. A high degree of HLA matching, a conditioning regimen without TBI, and the use of ATG may reduce the incidence of aGVHD.
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Affiliation(s)
- Fan Yang
- Department of Hematopoietic Stem Cell Transplantation, Affiliated Hospital to Academy of Military Medical Sciences, Beijing, China (mainland)
| | - Daopei Lu
- Hebei Yanda Ludaopei Hospital, Langfang, Hebei, China (mainland)
| | - Yu Hu
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Xiaojun Huang
- Peking University People's Hospital, Beijing, China (mainland)
| | - He Huang
- The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China (mainland)
| | - Jing Chen
- Shanghai Children's Medical Center, Shanghai, China (mainland)
| | - Depei Wu
- The First Affiliated Hospital of Soochow University, Suzhou, Zhejiang, China (mainland)
| | - Jianmin Wang
- Changhai Hospital of Shanghai, Shanghai, China (mainland)
| | - Chun Wang
- ShangHai General Hospital, Shanghai, China (mainland)
| | - Mingzhe Han
- Institute of Hematology and Hospital of Blood Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China (mainland)
| | - Hu Chen
- Department of Hematopoietic Stem Cell Transplantation, Affiliated Hospital to Academy of Military Medical Sciences, , China (mainland)
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Electroanatomic Properties of the Myocardium Predict Response to CD34+ Cell Therapy in Patients With Ischemic and Nonischemic Heart Failure. J Card Fail 2017; 23:153-160. [DOI: 10.1016/j.cardfail.2016.08.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/24/2016] [Accepted: 08/09/2016] [Indexed: 12/27/2022]
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van Oostrum A, Zwaginga JJ, Croockewit S, Overdevest J, Fechter M, Ruiterkamp B, Brand A, Netelenbos T. Predictors for successful PBSC collection on the fourth day of G-CSF-induced mobilization in allogeneic stem cell donors. J Clin Apher 2017; 32:397-404. [DOI: 10.1002/jca.21528] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Revised: 10/30/2016] [Accepted: 01/10/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Anja van Oostrum
- Department of Immunohematology and Blood Transfusion; Leiden University Medical Centre; Leiden The Netherlands
| | - Jaap Jan Zwaginga
- Department of Immunohematology and Blood Transfusion; Leiden University Medical Centre; Leiden The Netherlands
- Centre for Clinical Transfusion Research, Sanquin; Leiden The Netherlands
| | - Sandra Croockewit
- Department of Hematology; Radboud University Medical Centre; Nijmegen The Netherlands
| | - Jacqueline Overdevest
- Department of Immunohematology and Blood Transfusion; Leiden University Medical Centre; Leiden The Netherlands
| | | | - Bart Ruiterkamp
- Department of Hematology; Radboud University Medical Centre; Nijmegen The Netherlands
| | | | - Tanja Netelenbos
- Department of Immunohematology and Blood Transfusion; Leiden University Medical Centre; Leiden The Netherlands
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25
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Chang J, Graves SS, Butts-Miwongtum T, Sale GE, Storb R, Mathes DW. Long-term Tolerance Toward Haploidentical Vascularized Composite Allograft Transplantation in a Canine Model Using Bone Marrow or Mobilized Stem Cells. Transplantation 2016; 100:e120-e127. [PMID: 27861292 PMCID: PMC5453180 DOI: 10.1097/tp.0000000000001496] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND The development of safe and reliable protocols for the transplantation of the face and hands may be accomplished with animal modeling of transplantation of vascularized composite allografts (VCA). Previously, we demonstrated that tolerance to a VCA could be achieved after canine recipients were simultaneously given marrow from a dog leukocyte antigen-identical donor. In the present study, we extend those findings across a dog leukocyte antigen mismatched barrier. METHODS Eight recipient dogs received total body irradiation (4.5 cGy), hematopoietic cell transplantation (HCT), either marrow (n = 4) or granulocyte-colony stimulating factor mobilized peripheral blood stem cells (n = 4), and a VCA transplant from the HCT donor. Post grafting immunosuppression consisted of mycophenolate mofetil (28 days) and cyclosporine (35 days). RESULTS In 4 dogs receiving bone marrow, 1 accepted both its marrow transplant and demonstrated long-term tolerance to the donor VCA (>52 weeks). Three dogs rejected both their marrow transplants and VCA at 5 to 7 weeks posttransplant. Dogs receiving mobilized stem cells all accepted their stem cell transplant and became tolerant to the VCA. However, 3 dogs developed graft-versus-host disease, whereas 1 dog rejected its stem cell graft by week 15 but exhibited long-term tolerance toward its VCA (>90 weeks). CONCLUSIONS The data suggest that simultaneous transplantation of mobilized stem cells and a VCA is feasible and leads to tolerance toward the VCA in a haploidentical setting. However, there is a higher rate of donor stem cell engraftment compared with marrow HCT and an increase in the incidence of graft-versus-host disease.
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Affiliation(s)
- Jeff Chang
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Surgery, University of Washington, Seattle, WA
| | - Scott S. Graves
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Medicine, University of Washington, Seattle, WA
| | | | - George E. Sale
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Pathology, University of Washington, Seattle, WA
| | - Rainer Storb
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Medicine, University of Washington, Seattle, WA
| | - David W. Mathes
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Surgery, University of Colorado, Aurora, CO
- Plastic Surgery Service, VA Eastern Colorado Care System, Denver, CO
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Spoerl S, Peter R, Wäscher D, Götze K, Verbeek M, Peschel C, Krackhardt AM. Patients' outcome after rescue plerixafor administration for autologous stem cell mobilization: a single‐center retrospective analysis. Transfusion 2016; 57:115-121. [DOI: 10.1111/trf.13883] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 08/13/2016] [Accepted: 08/17/2016] [Indexed: 01/29/2023]
Affiliation(s)
- Silvia Spoerl
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Robert Peter
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Dagmar Wäscher
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Katharina Götze
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Mareike Verbeek
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Christian Peschel
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
| | - Angela M. Krackhardt
- III. Medical Department, Hematology and OncologyKlinikum rechts der Isar, Technische Universität MünchenMünchen Germany
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Affinity-Bead-Mediated Enrichment of CD8+ Lymphocytes from Peripheral Blood Progenitor Cell Products Using Acoustophoresis. MICROMACHINES 2016; 7:mi7060101. [PMID: 30404275 PMCID: PMC6190086 DOI: 10.3390/mi7060101] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 05/31/2016] [Accepted: 06/02/2016] [Indexed: 02/08/2023]
Abstract
Acoustophoresis is a technique that applies ultrasonic standing wave forces in a microchannel to sort cells depending on their physical properties in relation to the surrounding media. Cell handling and separation for research and clinical applications aims to efficiently separate specific cell populations. Here, we investigated the sorting of CD8 lymphocytes from peripheral blood progenitor cell (PBPC) products by affinity-bead-mediated acoustophoresis. PBPC samples were obtained from healthy donors (n = 4) and patients (n = 18). Mononuclear cells were labeled with anti-CD8-coated magnetic beads and sorted on an acoustophoretic microfluidic device and by standard magnetic cell sorting as a reference method. CD8 lymphocytes were acoustically sorted with a mean purity of 91% ± 8% and a median separation efficiency of 63% (range 15.1%⁻90.5%) as compared to magnetic sorting (purity 91% ± 14%, recovery 29% (range 5.1%⁻47.3%)). The viability as well as the proliferation capacity of sorted lymphocytes in the target fraction were unimpaired and, furthermore, hematopoietic progenitor cell assay revealed a preserved clonogenic capacity post-sorting. Bead-mediated acoustophoresis can, therefore, be utilized to efficiently sort less frequent CD8+ lymphocytes from PBPC products in a continuous flow mode while maintaining cell viability and functional capacity of both target and non-target fractions.
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28
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Tanhehco YC, Schwartz J, Linenberger ML. Defining the quality of hematopoietic stem cell products: the devil is in the details. Transfusion 2015; 55:2300-3. [PMID: 26459961 DOI: 10.1111/trf.13262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 07/03/2015] [Indexed: 12/23/2022]
Affiliation(s)
- Yvette C Tanhehco
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY
| | - Joseph Schwartz
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY
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Flommersfeld S, Sohlbach K, Jaques G, Bein G, Hoffmann J, Kostrewa P, Sachs UJ. Collection of peripheral blood progenitor cells on Day 4 is feasible and effective while reducing granulocyte-colony-stimulating factor exposure to healthy donors. Transfusion 2015; 55:1269-74. [DOI: 10.1111/trf.13002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 11/18/2014] [Accepted: 11/28/2014] [Indexed: 11/28/2022]
Affiliation(s)
| | - Kristina Sohlbach
- Department of Hematology, Oncology, and Immunology; University Hospital Giessen and Marburg, Marburg Campus; Marburg Germany
| | - Gabriele Jaques
- Department of Hematology, Oncology, and Immunology; University Hospital Giessen and Marburg, Marburg Campus; Marburg Germany
| | - Gregor Bein
- Institute for Clinical Immunology and Transfusion Medicine; Justus Liebig University; Giessen Germany
| | - Jörg Hoffmann
- Department of Hematology, Oncology, and Immunology; University Hospital Giessen and Marburg, Marburg Campus; Marburg Germany
| | - Philippe Kostrewa
- Department of Hematology, Oncology, and Immunology; University Hospital Giessen and Marburg, Marburg Campus; Marburg Germany
| | - Ulrich J. Sachs
- Center for Transfusion Medicine and Hemotherapy
- Institute for Clinical Immunology and Transfusion Medicine; Justus Liebig University; Giessen Germany
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Plerixafor is superior to conventional chemotherapy for first-line stem cell mobilisation, and is effective even in heavily pretreated patients. Blood Cancer J 2014; 4:e255. [PMID: 25360901 PMCID: PMC4220652 DOI: 10.1038/bcj.2014.79] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 09/30/2014] [Indexed: 01/30/2023] Open
Abstract
This study (PHANTASTIC) compares first-line plerixafor with granulocyte colony-stimulating factor (G-CSF) in 98 myeloma and lymphoma patients with 151 historic controls mobilised by conventional chemotherapy+G-CSF. Eleven patients developed mild transient symptoms possibly related to plerixafor. No serious adverse events were seen. Seventy (71%) plerixafor-mobilised patients achieved both ⩾4 × 106 CD34+ cells/kg in ⩽2 aphereses and no neutropenia (<1.0 × 109/l). This is significantly >48 (32%) of 151 historical chemotherapy+G-CSF-mobilised control patients achieving this end point (P<0.001). Ninety-six (98%) plerixafor-mobilised patients achieved ⩾2 × 106 CD34+ cells/kg within one harvest round compared with 114 (75%) of controls (P=0.001). Engraftment times and 12-month outcome were comparable in both groups. Prior treatment was summarised by two scoring systems. Controls mobilising either >2.0 or >4.0 × 106 CD34+ cells/kg have significantly lower scores than mobilisation failures (P=0.002), but this relationship was not seen for plerixafor-mobilised patients. Plerixafor is a more effective and less toxic mobilising agent than conventional chemotherapy (especially in heavily pretreated patients), with comparable subsequent outcome, and merits consideration as the first-line standard of care for stem cell mobilisation.
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Bone marrow graft as a source of allogeneic hematopoietic stem cells in patients undergoing a reduced intensity conditioning regimen. Bone Marrow Transplant 2014; 49:1492-7. [DOI: 10.1038/bmt.2014.193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 05/28/2014] [Accepted: 06/24/2014] [Indexed: 01/09/2023]
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Poglajen G, Sever M, Cukjati M, Cernelc P, Knezevic I, Zemljic G, Haddad F, Wu JC, Vrtovec B. Effects of transendocardial CD34+ cell transplantation in patients with ischemic cardiomyopathy. Circ Cardiovasc Interv 2014; 7:552-9. [PMID: 25097199 DOI: 10.1161/circinterventions.114.001436] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND We investigated the effects of transendocardial CD34(+) cell transplantation in patients with ischemic cardiomyopathy. METHODS AND RESULTS In a prospective crossover study, we enrolled 33 patients with ischemic cardiomyopathy with New York Heart Association class III and left ventricular ejection fraction <40%. In phase 1, patients were treated with medical therapy for 6 months. Thereafter, all patients underwent transendocardial CD34(+) cell transplantation. Peripheral blood CD34(+) cells were mobilized by granulocyte colony stimulating factor, collected via apheresis, and injected transendocardially in the areas of hibernating myocardium. Patients were followed up for 6 months after the procedure (phase 2). Two patients died during phase 1 and none during phase 2. The remaining 31 patients were 85% men, aged 57±6 years. In phase 1, we found no change in left ventricular ejection fraction (from 25.2±6.2% to 27.1±6.6%; P=0.23), N-terminal pro B-type natriuretic peptide (from 3322±3411 to 3672±5165 pg/mL; P=0.75) or 6-minute walk distance (from 373±68 to 411±116 m; P=0.17). In contrast, in phase 2 there was an improvement in left ventricular ejection fraction (from 27.1±6.6% to 34.9±10.9%; P=0.001), increase in 6-minute walk distance (from 411±116 to 496±113 m; P=0.001), and a decrease in N-terminal pro B-type natriuretic peptide (from 3672±5165 to 1488±1847 pg/mL; P=0.04). The average number of injected CD34(+) cells was 90.6±7.5×10(6). Higher doses of CD34(+) cells and a more diffuse distribution of transendocardial cell injections were associated with better clinical response. CONCLUSIONS Transendocardial CD34(+) cell transplantation may be associated with improved left ventricular function, decreased N-terminal pro B-type natriuretic peptide levels, and better exercise capacity in patients with ischemic cardiomyopathy. These effects seem to be particularly pronounced in patients receiving diffusely distributed cell injections and high-dose cell therapy. CLINICAL TRIAL REGISTRATION URL http://www.clinicaltrials.gov. Unique identifier: NCT01350310.
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Affiliation(s)
- Gregor Poglajen
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Matjaz Sever
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Marko Cukjati
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Peter Cernelc
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Ivan Knezevic
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Gregor Zemljic
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - François Haddad
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Joseph C Wu
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.)
| | - Bojan Vrtovec
- From the Department of Cardiology, Advanced Heart Failure and Transplantation Center (G.P., G.Z., B.V.), Department of Hematology (M.S., P.C.), and Department of Cardiovascular Surgery (I.K.), University Medical Center Ljubljana, Ljubljana, Slovenia; National Blood Transfusion Institute, Ljubljana, Slovenia (M.C.); and Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA (F.H., J.C.W., B.V.).
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Poiret T, Rane L, Remberger M, Omazic B, Gustafsson-Jernberg A, Vudattu NK, Ahmed R, Ernberg I, Winiarski J, Magalhaes I, Ringden O, Maeurer M. Reduced plasma levels of soluble interleukin-7 receptor during graft-versus-host disease (GVHD) in children and adults. BMC Immunol 2014; 15:25. [PMID: 24946690 PMCID: PMC4074150 DOI: 10.1186/1471-2172-15-25] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 05/09/2014] [Indexed: 11/10/2022] Open
Abstract
Background Interleukin 7 (IL-7) signals via the IL-7 receptor (IL-7R) and drives homeostatic T-cell proliferation in patients after allogeneic hematopoietic stem cell transplantation (aHSCT). Purpose We performed a prospective study in adults (n = 33) and children (n = 29) undergoing aHSCT measuring plasma IL-7 and soluble IL-7R (sIL-7R) concentrations between 1 and 12 months after HSCT in order to investigate the link between sIL-7R and clinical events after aHSCT. Results sIL-7R, but not IL-7, increased with time after HSCT in plasma from all patients enrolled in the study. sIL-7R values were higher at 2, 3, and 6 months (p < 0.01) if the donor was a sibling as compared to an unrelated donor. Increased sIL-7R levels were also identified in plasma from patients who were not treated with anti-thymocyte globulin (ATG). Low sIL-7R was associated with any grade of acute graft-versus-host disease (GVHD) at 2 and 6 months (p = 0.02) and with a positive CMV PCR at 2 months after HSCT (p < 0.05). Patients with cytomegalovirus (CMV) reactivation had increased IL-7 values at 2 and 3 months (p = 0.02) after HSCT. In multivariate analysis, lower sIL-7R levels were associated with acute GVHD (relative hazard (RH): 0.70, p > 0.01) and sibling donors (RH: 2.23, p = 0.004). Recipients of sibling grafts showed high levels of IL-7 (RH: 1.38, p < 0.05) and bone marrow recipients had low IL-7 levels (RH: 0.73, p = 0.04). Conclusions Measurement of the sIL-7R/IL-7 axis will help in guided immune monitoring after HSCT and guided interference with sIL-7R may be explored in GVHD management.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Markus Maeurer
- Division of Therapeutic Immunology, Labmed, Karolinska Institutet, Stockholm, Sweden.
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Alwasaidi T, Bredeson C. Peripheral blood stem cells or bone marrow as the graft source for allogeneic hematopoietic cell transplantation? J Taibah Univ Med Sci 2014. [DOI: 10.1016/j.jtumed.2013.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Bertani G, Santoleri L, Martino M, Fedele R, Moscato T, Marenco P, Grillo G, Zucchetti E, Lotesoriere I, Lando G, Cesana C, Cairoli R, Rossini S. Identification of hematopoietic progenitor cell donor characteristics predicting successful mobilization: results of an Italian multicenter study. Transfusion 2014; 54:2028-33. [DOI: 10.1111/trf.12612] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Revised: 12/23/2013] [Accepted: 12/27/2013] [Indexed: 12/11/2022]
Affiliation(s)
| | - Luca Santoleri
- Transfusion Medicine Department; Ospedale Niguarda Ca' Granda; Milan Italy
| | - Massimo Martino
- Hematology Department; Ospedale Bianchi Melacrino Morelli; Reggio Calabria Italy
| | - Roberta Fedele
- Hematology Department; Ospedale Bianchi Melacrino Morelli; Reggio Calabria Italy
| | - Tiziana Moscato
- Hematology Department; Ospedale Bianchi Melacrino Morelli; Reggio Calabria Italy
| | - Paola Marenco
- Hematology Department; Ospedale Niguarda Ca' Granda; Milan Italy
| | - Giovanni Grillo
- Hematology Department; Ospedale Niguarda Ca' Granda; Milan Italy
| | - Elisa Zucchetti
- Hematology Department; Ospedale Niguarda Ca' Granda; Milan Italy
| | | | - Giuliana Lando
- Transfusion Medicine Department; Ospedale Niguarda Ca' Granda; Milan Italy
| | - Clara Cesana
- Transfusion Medicine Department; Ospedale Niguarda Ca' Granda; Milan Italy
| | - Roberto Cairoli
- Oncology and Hematology Department; Ospedale Valduce; Como Italy
| | - Silvano Rossini
- Transfusion Medicine Department; Ospedale Niguarda Ca' Granda; Milan Italy
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Grassinger J, Khomenko A, Hart C, Baldaranov D, Johannesen SW, Mueller G, Schelker R, Schulte-Mattler W, Andreesen R, Bogdahn U. Safety and feasibility of long term administration of recombinant human granulocyte-colony stimulating factor in patients with amyotrophic lateral sclerosis. Cytokine 2014; 67:21-8. [PMID: 24680478 DOI: 10.1016/j.cyto.2014.02.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 01/26/2014] [Accepted: 02/02/2014] [Indexed: 01/08/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a rapidly progressive neuronal disease resulting in a loss of the upper and lower motor neurons and subsequent death within three to four years after diagnosis. Mouse models and preliminary human exposure data suggest that the treatment with granulocyte-colony stimulating factor (G-CSF) has neuro-protective effects and may delay ALS progression. As data on long-term administration of G-CSF in patients with normal bone marrow (BM) function are scarce, we initiated a compassionate use program including 6 ALS patients with monthly G-CSF treatment cycles. Here we demonstrate that G-CSF injection was safe and feasible throughout our observation period up to three years. Significant decrease of mobilization efficiency occurred in one patient and a loss of immature erythroid progenitors was observed in all six patients. These data imply that follow-up studies analyzing BM function during long-term G-CSF stimulation are required.
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Affiliation(s)
- Jochen Grassinger
- University Hospital Regensburg, Department of Internal Medicine III, Regensburg, Germany.
| | - Andrei Khomenko
- University Hospital Regensburg, Department of Neurology, Regensburg, Germany
| | - Christina Hart
- University Hospital Regensburg, Department of Internal Medicine III, Regensburg, Germany
| | - Dobri Baldaranov
- University Hospital Regensburg, Department of Neurology, Regensburg, Germany
| | - Siw W Johannesen
- University Hospital Regensburg, Department of Neurology, Regensburg, Germany
| | - Gunnar Mueller
- University Hospital Regensburg, Department of Internal Medicine III, Regensburg, Germany
| | - Roland Schelker
- University Hospital Regensburg, Department of Internal Medicine III, Regensburg, Germany
| | | | - Reinhard Andreesen
- University Hospital Regensburg, Department of Internal Medicine III, Regensburg, Germany
| | - Ulrich Bogdahn
- University Hospital Regensburg, Department of Neurology, Regensburg, Germany
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Hequet O, Le QH, Rodriguez J, Dubost P, Revesz D, Clerc A, Rigal D, Salles G, Coiffier B. Development of model for analysing respective collections of intended hematopoietic stem cells and harvests of unintended mature cells in apheresis for autologous hematopoietic stem cell collection. Transfus Apher Sci 2014; 50:294-302. [PMID: 24462181 DOI: 10.1016/j.transci.2013.12.014] [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: 08/06/2013] [Revised: 12/09/2013] [Accepted: 12/17/2013] [Indexed: 11/29/2022]
Abstract
Hematopoietic stem cells (HSCs) required to perform peripheral hematopoietic autologous stem cell transplantation (APBSCT) can be collected by processing several blood volumes (BVs) in leukapheresis sessions. However, this may cause granulocyte harvest in graft and decrease in patient's platelet blood level. Both consequences may induce disturbances in patient. One apheresis team's current purpose is to improve HSC collection by increasing HSC collection and prevent increase in granulocyte and platelet harvests. Before improving HSC collection it seemed important to know more about the way to harvest these types of cells. The purpose of our study was to develop a simple model for analysing respective collections of intended CD34+ cells among HSC (designated here as HSC) and harvests of unintended platelets or granulocytes among mature cells (designated here as mature cells) considering the number of BVs processed and factors likely to influence cell collection or harvest. For this, we processed 1, 2 and 3 BVs in 59 leukapheresis sessions and analysed corresponding collections and harvests with a referent device (COBE Spectra). First we analysed the amounts of HSC collected and mature cells harvested and second the evolution of the respective shares of HSC and mature cells collected or harvested throughout the BV processes. HSC collections and mature cell harvests increased globally (p<0.0001) and their respective shares remained stable throughout the BV processes (p non-significant). We analysed the role of intrinsic (patient's features) and extrinsic (features before starting leukapheresis sessions) factors in collections and harvests, which showed that only pre-leukapheresis blood levels (CD34+cells and platelets) influenced both cell collections and harvests (CD34+cells and platelets) (p<0.001) and shares of HSC collections and mature unintended cells harvests (p<0.001) throughout the BV processes. Altogether, our results suggested that the main factors likely to influence intended HSC collections or unintended mature cell harvests were pre-leukapheresis blood cell levels. Our model was meant to assist apheresis teams in analysing shares of HSC collected and mature cells harvested with new devices or with new types of HSC mobilization.
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Affiliation(s)
- O Hequet
- Etablissement Français du Sang Rhône Alpes, Apheresis unit, Centre Hospitalier Lyon Sud Pierre Benite, France; Etablissement Français du Sang Rhône Alpes, Cell Therapy unit, Hôpital Edouard Herriot, Lyon, France.
| | - Q H Le
- Hospices Civils de Lyon, Department of Biostatistics, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | - J Rodriguez
- Etablissement Français du Sang Rhône Alpes, Cell Therapy unit, Hôpital Edouard Herriot, Lyon, France
| | - P Dubost
- Etablissement Français du Sang Rhône Alpes, Cell Therapy unit, Hôpital Edouard Herriot, Lyon, France
| | - D Revesz
- Etablissement Français du Sang Rhône Alpes, Apheresis unit, Centre Hospitalier Lyon Sud Pierre Benite, France
| | - A Clerc
- Etablissement Français du Sang Rhône Alpes, Cell Therapy unit, Hôpital Edouard Herriot, Lyon, France
| | - D Rigal
- Etablissement Français du Sang Rhône Alpes, Apheresis unit, Centre Hospitalier Lyon Sud Pierre Benite, France; Etablissement Français du Sang Rhône Alpes, Cell Therapy unit, Hôpital Edouard Herriot, Lyon, France
| | - G Salles
- Hospices Civils de Lyon, Hematological unit, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | - B Coiffier
- Hospices Civils de Lyon, Hematological unit, Centre Hospitalier Lyon Sud, Pierre Bénite, France
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Yeshurun M, Labopin M, Blaise D, Cornelissen JJ, Sengeloev H, Vindelov L, Kuball J, Chevallier P, Craddock C, Socie G, Bilger K, Schouten HC, Fegueux N, Goker H, Maertens J, Bunjes D, Arnold R, Nagler A, Mohty M. Impact of postremission consolidation chemotherapy on outcome after reduced-intensity conditioning allogeneic stem cell transplantation for patients with acute myeloid leukemia in first complete remission: a report from the Acute Leukemia Working Party of the European Group for Blood and Marrow Transplantation. Cancer 2013; 120:855-63. [PMID: 24338939 DOI: 10.1002/cncr.28498] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Revised: 09/24/2013] [Accepted: 09/27/2013] [Indexed: 11/07/2022]
Abstract
BACKGROUND The objective of the current study was to investigate the role of postremission consolidation chemotherapy before reduced-intensity conditioning (RIC) allogeneic stem cell transplantation (alloSCT) for patients with acute myeloid leukemia (AML) in first complete remission (CR1). METHODS Of the 789 consecutive patients with AML in CR1 who underwent RIC alloSCT from a human leukocyte antigen-matched sibling or matched unrelated donor peripheral stem cell grafts between 2001 and 2010, 591 patients received at least 1 cycle of consolidation chemotherapy and 198 patients did not receive any consolidation chemotherapy before alloSCT. To minimize inherent survival bias in favor of patients who underwent transplant long after achieving CR1, the study focused on 373 patients who underwent transplant within the median time frame between achievement of CR1 and alloSCT (3 months for patients who underwent alloSCT from matched siblings and 4 months for patients who underwent alloSCT from matched unrelated donors). In this subgroup, 151 patients did not receive any consolidation chemotherapy and 222 patients received ≥ 1 consolidation chemotherapy cycle. RESULTS With a median follow-up of 36 months (range, 2 months-135 months), the 3-year cumulative recurrence incidence (RI) was not significantly different between the groups (36% ± 4% for the group treated without consolidation chemotherapy vs 38% ± 3% for patients who received consolidation chemotherapy; P = .89). In addition, leukemia-free survival was similar between the groups (45% ± 4% and 47% ± 3%, respectively; P = .41). Dose intensity of cytarabine given during consolidation chemotherapy appeared to have no influence on RI. On multivariate analysis, pretransplant consolidation (≥ 1 cycle vs 0 cycles) was found to have no significant impact on RI (hazards ratio, 1.29; 95% confidence interval, 0.84-1.97 [P = .24]) or leukemia-free survival (hazards ratio, 1.00; 95% confidence interval, 0.71-1.42 [P = .99]). CONCLUSIONS The data from the current study suggest no apparent advantage for postremission consolidation chemotherapy before RIC alloSCT, provided a donor is readily available.
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Affiliation(s)
- Moshe Yeshurun
- Bone Marrow Transplantation Unit, Institute of Hematology, Rabin Medical Center, Petah-Tikva, Israel; Sackler School of Medicine, Tel Aviv University, Israel
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Rubinstein MP, Salem ML, Doedens AL, Moore CJ, Chiuzan C, Rivell GL, Cole DJ, Goldrath AW. G-CSF/anti-G-CSF antibody complexes drive the potent recovery and expansion of CD11b+Gr-1+ myeloid cells without compromising CD8+ T cell immune responses. J Hematol Oncol 2013; 6:75. [PMID: 24279871 PMCID: PMC3850648 DOI: 10.1186/1756-8722-6-75] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 09/02/2013] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Administration of recombinant G-CSF following cytoreductive therapy enhances the recovery of myeloid cells, minimizing the risk of opportunistic infection. Free G-CSF, however, is expensive, exhibits a short half-life, and has poor biological activity in vivo. METHODS We evaluated whether the biological activity of G-CSF could be improved by pre-association with anti-G-CSF mAb prior to injection into mice. RESULTS We find that the efficacy of G-CSF therapy can be enhanced more than 100-fold by pre-association of G-CSF with an anti-G-CSF monoclonal antibody (mAb). Compared with G-CSF alone, administration of G-CSF/anti-G-CSF mAb complexes induced the potent expansion of CD11b+Gr-1+ myeloid cells in mice with or without concomitant cytoreductive treatment including radiation or chemotherapy. Despite driving the dramatic expansion of myeloid cells, in vivo antigen-specific CD8+ T cell immune responses were not compromised. Furthermore, injection of G-CSF/anti-G-CSF mAb complexes heightened protective immunity to bacterial infection. As a measure of clinical value, we also found that antibody complexes improved G-CSF biological activity much more significantly than pegylation. CONCLUSIONS Our findings provide the first evidence that antibody cytokine complexes can effectively expand myeloid cells, and furthermore, that G-CSF/anti-G-CSF mAb complexes may provide an improved method for the administration of recombinant G-CSF.
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Affiliation(s)
- Mark P Rubinstein
- Department of Biological Sciences, The University of California, San Diego, La Jolla, CA 92093, USA
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29403, USA
- Department of Microbiology & Immunology, Medical University of South Carolina, Charleston, 86 Jonathan Lucas Street, HO506, SC 29403, USA
| | - Mohamed L Salem
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29403, USA
- Zoology Department, Faculty of Science, Tanta University, Tanta, Egypt
| | - Andrew L Doedens
- Department of Biological Sciences, The University of California, San Diego, La Jolla, CA 92093, USA
| | - Caitlin J Moore
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29403, USA
| | - Cody Chiuzan
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Guillermo L Rivell
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29403, USA
| | - David J Cole
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29403, USA
| | - Ananda W Goldrath
- Department of Biological Sciences, The University of California, San Diego, La Jolla, CA 92093, USA
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Chen J, Lee V, Luo CJ, Chiang AKS, Hongeng S, Tan PL, Tan AM, Sanpakit K, Li CF, Lee ACW, Chua HC, Okamoto Y. Allogeneic stem cell transplantation for children with acquired severe aplastic anaemia: a retrospective study by the Viva-Asia Blood and Marrow Transplantation Group. Br J Haematol 2013; 162:383-91. [PMID: 23735201 DOI: 10.1111/bjh.12405] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2013] [Accepted: 04/09/2013] [Indexed: 02/05/2023]
Abstract
We retrospectively analysed the outcomes of 127 children with acquired severe aplastic anaemia (SAA) who had received haematopoietic stem cell transplantation (HSCT) between 2000 and 2011 in one of the 10 Asia Pacific institutions. Fifty-three were matched sibling donor (MSD) and 74 were alternative donor (AD), including 22 matched unrelated donor, 32 mismatched unrelated donor and 20 mismatched related donor. With a median follow up 45.5 months (13-139) and when compared to the MSD group, AD recipients had more grade II-IV acute graft-versus-host disease (aGVHD; 14.3% vs. 32.8%, P = 0.029), but similar grade III-IV aGVHD (10.2% vs. 12.5%, P = 0.774), graft failure (GF) (15.1% vs. 15.5%, P = 0.658) and 5-year overall survival (90.6% vs. 83.7%, P = 0.251). As a source of stem cell, peripheral blood stem cells (PBSC) resulted in less GF (18% vs. 9.1% P = 0.013), similar grade II-IV aGVHD (28.1% vs. 17.4%, P = 0.258), chronic GVHD (25.8% vs. 29.3%, P = 0.822) and similar outcomes (89.7% vs. 82.4%, P =0.665) when compared to bone marrow (BM). In univariate analysis, GF (P < 0.001) and grade II-IV aGVHD (P = 0.009) were predictors of poor survival. In multivariate analysis, only GF was associated with poor survival (P = 0.012). The outcome of AD and PBSC HSCT were comparable to that of MSD and BM HSCT in the Asia Pacific region.
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Affiliation(s)
- Jing Chen
- Department of Haematology/Oncology, Shanghai Jiao Tong University School of Medicine, Shanghai Children's Medical Centre, Shanghai, China.
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Hölig K. G-CSF in Healthy Allogeneic Stem Cell Donors. ACTA ACUST UNITED AC 2013; 40:225-35. [PMID: 24179471 DOI: 10.1159/000354196] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 07/08/2013] [Indexed: 01/08/2023]
Abstract
Mobilization of peripheral blood stem cells (PBSC) in healthy volunteers with granulocyte colony-stimulating factor (G-CSF) is currently carried out at many institutions worldwide. This report presents the experience of the Dresden center regarding donor evaluation and mobilization schedule. Data regarding efficacy, short- and long-term safety of G-CSF treatment gained from 8290 PBSC collections in healthy donors are outlined. These results are discussed against the background of the available evidence from the literature. Although established as a standard procedure, G-CSF application to allogeneic donors will always be a very delicate procedure and requires the utmost commitment of all staff involved to ensure maximum donor safety.
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Affiliation(s)
- Kristina Hölig
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, TU Dresden, Germany
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42
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Yoshizato T, Watanabe-Okochi N, Nannya Y, Ichikawa M, Takahashi T, Sato T, Masuda A, Yatomi Y, Tsuno NH, Kurokawa M, Takahashi K. Prediction model for CD34 positive cell yield in peripheral blood stem cell collection on the fourth day after G-CSF administration in healthy donors. Int J Hematol 2013; 98:56-65. [DOI: 10.1007/s12185-013-1366-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 05/08/2013] [Accepted: 05/08/2013] [Indexed: 01/14/2023]
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43
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Raval Z, Losordo DW. Cell therapy of peripheral arterial disease: from experimental findings to clinical trials. Circ Res 2013; 112:1288-302. [PMID: 23620237 PMCID: PMC3838995 DOI: 10.1161/circresaha.113.300565] [Citation(s) in RCA: 165] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Accepted: 03/28/2013] [Indexed: 12/19/2022]
Abstract
The age-adjusted prevalence of peripheral arterial disease in the US population was estimated to approach 12% in 1985, and as the population ages, the overall population having peripheral arterial disease is predicted to rise. The clinical consequences of occlusive peripheral arterial disease include intermittent claudication, that is, pain with walking, and critical limb ischemia (CLI), which includes pain at rest and loss of tissue integrity in the distal limbs, which may ultimately lead to amputation of a portion of the lower extremity. The risk factors for CLI are similar to those linked to coronary artery disease and include advanced age, smoking, diabetes mellitus, hyperlipidemia, and hypertension. The worldwide incidence of CLI was estimated to be 500 to 1000 cases per million people per year in 1991. The prognosis is poor for CLI subjects with advanced limb disease. One study of >400 such subjects in the United Kingdom found that 25% required amputation and 20% (including some subjects who had required amputation) died within 1 year. In the United States, ≈280 lower-limb amputations for ischemic disease are performed per million people each year. The first objective in treating CLI is to increase blood circulation to the affected limb. Theoretically, increased blood flow could be achieved by increasing the number of vessels that supply the ischemic tissue with blood. The use of pharmacological agents to induce new blood vessel growth for the treatment or prevention of pathological clinical conditions has been called therapeutic angiogenesis. Since the identification of the endothelial progenitor cell in 1997 by Asahara and Isner, the field of cell-based therapies for peripheral arterial disease has been in a state of continuous evolution. Here, we review the current state of that field.
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Affiliation(s)
- Zankhana Raval
- Department of Medicine, Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
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Allogeneic Peripheral Blood Stem Cell Transplantation Significantly Increases Risk of Chronic Graft-versus-Host Disease of Lung Compared with Bone Marrow Transplantation. Biol Blood Marrow Transplant 2012; 18:1905-10. [DOI: 10.1016/j.bbmt.2012.07.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Accepted: 07/16/2012] [Indexed: 11/20/2022]
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45
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Nagler A, Labopin M, Shimoni A, Mufti GJ, Cornelissen JJ, Blaise D, Janssen JJWM, Milpied N, Vindelov L, Petersen E, Gribben J, Bacigalupo A, Malm C, Niederwieser D, Socié GJ, Arnold R, Brown P, Goker H, Rocha V, Mohty M. Mobilized peripheral blood stem cells compared with bone marrow from HLA-identical siblings for reduced-intensity conditioning transplantation in acute myeloid leukemia in complete remission: a retrospective analysis from the Acute Leukemia Working Party of EBMT. Eur J Haematol 2012; 89:206-13. [PMID: 22650267 DOI: 10.1111/j.1600-0609.2012.01811.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2012] [Indexed: 12/20/2022]
Abstract
Reduced-intensity conditioning (RIC)-alloSCT is increasingly used for acute myelogenous leukemia. Limited data are available for the comparison of peripheral blood stem cells with bone marrow for RIC-alloSCT. We used the European Group for Blood and Marrow Transplantation (EBMT) ALWP data to compare the outcome of mobilized peripheral blood stem cells (PBSC) (n = 1430) vs. bone marrow (BM) (n = 107) for acute myelogenous leukemia (AML) patients with complete remission that underwent RIC-alloSCT from compatible sibling donors. The leukemia features, the disease status, and the time from diagnosis were similar between the two groups. Engraftment was achieved in 99% and 93% in the PBSC and BM groups, respectively (P < 0.0001). The day of engraftment was significantly earlier for the PBSC vs. the BM group, 15 (1-59) and 19 (5-69), respectively (P < 0.001). Acute GVHD, severe GVHD (grade III-IV) and chronic GVHD did not differ between the groups. leukemia-free survival (LFS), relapse, and non-relapsed mortality (NRM) were 51 ± 2%, 32 ± 1%, and 17 ± 1% vs. 50 ± 6%, 38 ± 6%, and 12 ± 3% for the PBSC and BM groups, respectively. Our results indicate faster engraftment, but no difference in GVHD, LFS, relapse, and NRM when comparing PBSC to BM grafts from sibling donors following RIC conditioning. This is the first study comparing PBSC to BM grafts in the RIC setting, analyzing a homogeneous population of patients with AML in remission. Whether PBSC should be preferred for advanced phases of the disease, where the outcome is dominated by relapse incidences, needs further investigation.
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Affiliation(s)
- Arnon Nagler
- Division of Hematology and Bone Marrow Transplantation, Chaim Sheba Medical Center, Tel-Hashomer, Israel.
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46
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Nagler A, Labopin M, Shimoni A, Niederwieser D, Mufti GJ, Zander AR, Arnold R, Greinix H, Cornelissen JJ, Jackson GH, Craddock C, Bunjes DW, Ganser A, Russell NH, Kyrcz-Krzemien S, Rocha V, Mohty M. Mobilized peripheral blood stem cells compared with bone marrow as the stem cell source for unrelated donor allogeneic transplantation with reduced-intensity conditioning in patients with acute myeloid leukemia in complete remission: an analysis from the Acute Leukemia Working Party of the European Group for Blood and Marrow Transplantation. Biol Blood Marrow Transplant 2012; 18:1422-9. [PMID: 22446014 DOI: 10.1016/j.bbmt.2012.02.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Accepted: 02/26/2012] [Indexed: 12/12/2022]
Abstract
Reduced-intensity conditioning allogeneic stem cell transplant (RIC-alloSCT) is being increasingly used for patients with acute myelogenous leukemia (AML) with comorbidities. Few published data are currently available regarding for the use of peripheral blood stem cells (PBSCs) compared to bone marrow (BM) in the RIC-alloSCT using unrelated donors (URDs). This retrospective report compared the outcomes of PBSC versus BM RIC-alloSCT. Between 2000 and 2007, 602 patients with AML in complete remission (CR) underwent RIC-alloSCT from URDs with PBSC (508) or BM (94) grafts. Recipient's age was higher in the PBSC versus BM groups 57 (range, 17-77 years) and 51 (range, 17-76 years), respectively (P < .0001). Leukemia features and disease status at RIC-alloSCT were also comparable between the PBSC versus BM groups. Engraftment was achieved in 97% and 96% with BM versus peripheral blood (PB), respectively. Acute graft-versus-host disease (aGVHD) grade >II was significantly higher in the PBSC group: 27% versus 12% in the BM group (P < .002). Similarly, chronic graft-versus-host disease (cGVHD; at 2 years) was somewhat higher in the PBSC group with 43% ± 3% versus 35% ± 6% in the BM group, respectively (P = .04). The 2-year probabilities of leukemia-free survival (LFS) were 46% ± 3% for the PBSC group in comparison to 43% ± 6% for the BM transplant group (P = NS), whereas relapse incidence was significantly higher in the BM versus the PB transplant group: 46% ± 6% versus 32% ± 3%, respectively (P = .014). Non-relapse mortality (NRM) was significantly higher for the PBSC versus the BM group: 28% ± 2% versus 13% ± 4%, respectively (P = .004). In multivariate analysis, after adjustment for differences between both groups, the PBSC group was associated with a higher incidence of aGVHD (grade II-IV; hazard ratio [HR] = 2.33; P = .06), higher NRM (HR = 2.3; P = .015), and a decreased relapse incidence (HR, 0.61; P = .02) with no statistical difference of LFS between the 2 groups (P = .88). In conclusion, our results indicate significantly higher incidence of aGVHD and NRM and a lower incidence of relapse but not statistically different LFS comparing unrelated PBSC to BM grafts after RIC-alloSCT.
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Affiliation(s)
- Arnon Nagler
- Division of Hematology and Bone Marrow Transplantation, Chaim Sheba Medical Center, Tel-Hashomer, Israel.
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Rettig MP, Ansstas G, DiPersio JF. Mobilization of hematopoietic stem and progenitor cells using inhibitors of CXCR4 and VLA-4. Leukemia 2012; 26:34-53. [PMID: 21886173 PMCID: PMC3514440 DOI: 10.1038/leu.2011.197] [Citation(s) in RCA: 138] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2010] [Revised: 03/31/2011] [Accepted: 05/23/2011] [Indexed: 12/29/2022]
Abstract
Successful hematopoietic stem cell transplant requires the infusion of a sufficient number of hematopoietic stem/progenitor cells (HSPCs) that are capable of homing to the bone marrow cavity and regenerating durable trilineage hematopoiesis in a timely manner. Stem cells harvested from peripheral blood are the most commonly used graft source in HSCT. Although granulocyte colony-stimulating factor (G-CSF) is the most frequently used agent for stem cell mobilization, the use of G-CSF alone results in suboptimal stem cell yields in a significant proportion of patients. Both the chemokine receptor CXCR4 and the integrin α(4)β(1) (very late antigen 4 (VLA-4)) have important roles in the homing and retention of HSPCs within the bone marrow microenvironment. Preclinical and/or clinical studies have shown that targeted disruption of the interaction of CXCR4 or VLA-4 with their ligands results in the rapid and reversible mobilization of hematopoietic stem cells into the peripheral circulation and is synergistic when combined with G-CSF. In this review, we discuss the development of small-molecule CXCR4 and VLA-4 inhibitors and how they may improve the utility and convenience of peripheral blood stem cell transplantation.
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Affiliation(s)
- M P Rettig
- Division of Oncology, Siteman Cancer Center, Washington University School of Medicine, St Louis, MO 63110, USA
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Akkök ÇA, Liseth K, Melve GK, Ersvær E, Hervig T, Bruserud Ø. Is there a scientific basis for a recommended standardization of collection and cryopreservation of peripheral blood stem cell grafts? Cytotherapy 2011; 13:1013-24. [DOI: 10.3109/14653249.2011.574117] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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49
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Badiavas AR, Badiavas EV. Potential benefits of allogeneic bone marrow mesenchymal stem cells for wound healing. Expert Opin Biol Ther 2011; 11:1447-54. [PMID: 21854302 DOI: 10.1517/14712598.2011.606212] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION It is becoming increasingly evident that select adult stem cells have the capacity to participate in repair and regeneration of damaged and/or diseased tissues. Mesenchymal stem cells have been among the most studied adult stem cells for the treatment of a variety of conditions, including wound healing. AREAS COVERED Mesenchymal stem cell features potentially beneficial to cutaneous wound healing applications are reviewed. EXPERT OPINION Given their potential for in vitro expansion and immune modulatory effects, both autologous and allogeneic mesenchymal stem cells appear to be well suited as wound healing therapies. Allogeneic mesenchymal stem cells derived from young healthy donors could have particular advantage over autologous sources where age and systemic disease can be significant factors.
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Gallez-Hawkins GM, Franck AE, Li X, Thao L, Oki A, Gendzekhadze K, Dagis A, Palmer J, Nakamura R, Forman SJ, Senitzer D, Zaia JA. Expression of activating KIR2DS2 and KIR2DS4 genes after hematopoietic cell transplantation: relevance to cytomegalovirus infection. Biol Blood Marrow Transplant 2011; 17:1662-72. [PMID: 21596150 DOI: 10.1016/j.bbmt.2011.04.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Accepted: 04/19/2011] [Indexed: 12/11/2022]
Abstract
The important role of activating killer immunoglobulin-like receptors (KIRs) in protecting against cytomegalovirus (CMV) reactivation has been described previously in patients undergoing hematopoietic cell transplantation (HCT). More specifically, the presence of multiple activating KIRs and the presence of at least KIR2DS2 and KIR2DS4 in the donor genotype identified a group of HCT patients at low risk for CMV reactivation. However, CMV infection still occurs in patients with the KIR protective genotype, and the question has been raised as to whether this is related to the lack of KIR expression. In this report, expression of the KIR2DS2 and KIR2DS4 genes, as measured by mRNA-based quantitative polymerase chain reaction in both the donor cells and the HCT recipient cells, was studied relative to CMV reactivation. In the control samples from healthy donors, the median range for KIR2DS2 and KIR2DS4 expression was low, with 35% of donors considered null-expressers. Interestingly, KIR2DS2 and KIR2DS4 expression was elevated after HCT compared with donor expression before HCT, and was significantly elevated in CMV viremic compared with CMV nonviremic HCT recipients. The CMV seropositivity of donors was not associated with activating KIR expression, and donor null expression in those with the KIR2DS2 or KIR2DS4 genotype was not predictive for CMV reactivation in the recipient. After controlling for other transplant factors, including donor type (sibling or unrelated), transplant source (bone marrow or peripheral blood stem cells), and acute GVHD grade, regression analysis of elevated KIR gene expression found an association for both KIR2DS2 and KIR2DS4, with a 7-fold increase in risk for CMV reactivation. We speculate that the elevated activating KIR expression in CMV-viremic HCT recipients is either coincidental with factors that activate CMV or is initiated by CMV or cellular processes responsive to such CMV infection reactivation.
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