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Yuan F, Li M, Wei X, Fu Y. Co-transplantation of umbilical cord mesenchymal stem cells and peripheral blood stem cells in children and adolescents with refractory or relapsed severe aplastic anemia. Pediatr Hematol Oncol 2024; 41:322-335. [PMID: 38436082 DOI: 10.1080/08880018.2024.2324394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 03/05/2024]
Abstract
To evaluate the co-transplantation efficacy of umbilical cord mesenchymal stem cells (UC-MSCs) and peripheral blood stem cells (PBSCs) as a novel approach for refractory or relapsed severe aplastic anemia (R/R SAA) in children and adolescents, thirty-two children and adolescents diagnosed with R/R SAA underwent a retrospective chart review. The patients were categorized into two groups based on the source of PBSCs: the matched sibling donor (MSD) group and the unrelated donor (UD) group. No adverse events related to UC-MSC infusion occurred in any of the patients. The median time for neutrophil engraftment was 13 days (range: 10-23 days), and for platelets, it was 15 days (range: 11-28 days). Acute GVHD of Grade I-II and moderate chronic GVHD were observed in 21.8 and 12.5% of cases, respectively. No statistically significant differences were found between the MSD and UD groups in terms of engraftment, GVHD, and complications, including infection and hemorrhagic cystitis. The median follow-up time was 38.6 months (range: 1.4-140.8 months). As of October 31, 2021, five patients had succumbed, while 27 (84.4%) survived. The 5-year OS rate showed no statistically significant difference between the MSD and UD groups (84.8 ± 10.0 vs. 82.4 ± 9.2%, p = 0.674). In conclusion, the application of UC-MSCs in the treatment of R/R SAA in PBSC transplantation is reliable and safe, they had no graft rejection, low incidence of severe GVHD which may have been contributed by the co-infusion of MSC.
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Affiliation(s)
- Fangfang Yuan
- The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan, China
| | - Minghui Li
- The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan, China
| | - Xudong Wei
- The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan, China
| | - Yuewen Fu
- The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan, China
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Navarro-Bailón A, López-Parra M, Veiga-Vaz Á, Villarón EM, Díez-Campelo M, Martín AÁ, Pérez-López E, Cabrero M, Vázquez L, López-Corral L, Sánchez-Guijo F. Treatment of post-allogeneic hematopoietic stem cell transplant cytopenias with sequential doses of multipotent mesenchymal stromal/stem cells. Cytotherapy 2024; 26:806-812. [PMID: 38727653 DOI: 10.1016/j.jcyt.2024.04.006] [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: 11/29/2023] [Revised: 04/08/2024] [Accepted: 04/15/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND AIMS Cytopenias after allogeneic stem cell transplantation (allo-SCT) are a common complication, the underlying pathogenic mechanisms of which remain incompletely understood. Multipotent mesenchymal stromal/stem cell (MSC) therapy has been successfully employed in the treatment of immune-related disorders and can aid in the restoration of the hematopoietic niche. METHODS A phase II clinical trial to assess the efficacy and safety of administering four sequential doses of ex-vivo expanded bone marrow MSCs from a third-party donor to patients with persistent severe cytopenias after allo-SCT was performed. RESULTS The overall response rate on day 90 was 75% among the 27 evaluable patients (comprising 12 complete responses, 8 partial responses, and 7 with no response). The median time to respond was 14.5 days. Responses were observed across different profiles, including single or multiple affected lineages, primary or secondary timing, and potential immune-mediated or post-infectious pathophysiology versus idiopathic origin. With a median follow-up for surviving patients of 85 months after MSC infusion, 53% of patients are alive. Notably, no adverse events related to MSC therapy were reported. CONCLUSIONS In summary, the sequential infusion of third-party MSCs emerges as a viable and safe therapeutic option, exhibiting potential benefits for patients experiencing cytopenias following allo-SCT.
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Affiliation(s)
- Almudena Navarro-Bailón
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Faculty of Medicine, University of Salamanca, Salamanca, Spain; Network Center for Regenerative Medicine and Cellular Therapy of Castilla y León, Spain; RICORS of Advanced Therapies (TERAV), ISCIII, Spain.
| | - Miriam López-Parra
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Network Center for Regenerative Medicine and Cellular Therapy of Castilla y León, Spain; RICORS of Advanced Therapies (TERAV), ISCIII, Spain
| | - Álvaro Veiga-Vaz
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain
| | - Eva María Villarón
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Network Center for Regenerative Medicine and Cellular Therapy of Castilla y León, Spain; RICORS of Advanced Therapies (TERAV), ISCIII, Spain
| | - María Díez-Campelo
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Faculty of Medicine, University of Salamanca, Salamanca, Spain; Network Center for Regenerative Medicine and Cellular Therapy of Castilla y León, Spain; RICORS of Advanced Therapies (TERAV), ISCIII, Spain; Biomedical Research Networking Center for Cancer (CIBERONC), ISCIII, Spain
| | - Ana África Martín
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain
| | - Estefanía Pérez-López
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain
| | - Mónica Cabrero
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain
| | - Lourdes Vázquez
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Faculty of Medicine, University of Salamanca, Salamanca, Spain
| | - Lucía López-Corral
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Faculty of Medicine, University of Salamanca, Salamanca, Spain; Network Center for Regenerative Medicine and Cellular Therapy of Castilla y León, Spain; RICORS of Advanced Therapies (TERAV), ISCIII, Spain; Biomedical Research Networking Center for Cancer (CIBERONC), ISCIII, Spain
| | - Fermín Sánchez-Guijo
- Hematology Department, Cell Therapy Area, IBSAL-University Hospital of Salamanca, Salamanca, Spain; Faculty of Medicine, University of Salamanca, Salamanca, Spain; Network Center for Regenerative Medicine and Cellular Therapy of Castilla y León, Spain; RICORS of Advanced Therapies (TERAV), ISCIII, Spain; Biomedical Research Networking Center for Cancer (CIBERONC), ISCIII, Spain
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McGuirk JP, Metheny L, Pineiro L, Litzow M, Rowley SD, Avni B, Tamari R, Lazarus HM, Rowe JM, Sheleg M, Rothenstein D, Halevy N, Zuckerman T. Placental expanded mesenchymal-like cells (PLX-R18) for poor graft function after hematopoietic cell transplantation: A phase I study. Bone Marrow Transplant 2023; 58:1189-1196. [PMID: 37553467 PMCID: PMC10622312 DOI: 10.1038/s41409-023-02068-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 07/12/2023] [Accepted: 07/21/2023] [Indexed: 08/10/2023]
Abstract
Persistent cytopenia in the post-hematopoietic cell transplantation (HCT) setting can occur despite adequate engraftment of donor cells. PLX-R18, a placental-derived mesenchymal-like cell product, is expanded ex vivo in a 3-dimensional environment. PLX-R18 cells secrete a large array of hematopoietic factors, which promote regeneration, maturation, and differentiation of hematopoietic cells and stimulate their migration to peripheral blood. This phase 1, first-in-human study (NCT03002519), included 21 patients with incomplete hematopoietic recovery post-HCT. Patients were treated with escalating doses of PLX-R18: 3 patients received 1 million cells/kg, 6 received 2 million cells/kg, and 12 received 4 million cells/kg via multiple intramuscular injections. While patients received only two administrations of cells during the first week, peripheral blood counts continued to increase for months, peaking at 6 months for hemoglobin (Hb, p = 0.002), lymphocytes (p = 0.008), and neutrophils (ANC, p = 0.063), and at 9 months for platelets (p < 0.001) and was maintained until 12 months for all but ANC. The need for platelet transfusions was reduced from 5.09 units/month at baseline to 0.55 at month 12 (p = 0.05). Likewise, red blood cell transfusions decreased from 2.91 units/month at baseline to 0 at month 12 (p = 0.0005). PLX-R18 was safe and well tolerated and shows promise in improving incomplete hematopoietic recovery post-HCT.
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Affiliation(s)
- Joseph P McGuirk
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, USA.
| | - Leland Metheny
- Case Western Reserve University, Cleveland, OH, USA
- University Hospitals Seidman Cancer Center, Cleveland, OH, USA
| | - Luis Pineiro
- Apheresis and Marrow Processing Laboratories, Baylor University Medical Center, Dallas, TX, USA
| | - Mark Litzow
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - Scott D Rowley
- Stem Cell Transplantation and Cellular Therapy Program, John Theurer Cancer Center, Hackensack, NJ, USA
| | - Batia Avni
- Hadassah University Medical Center, Jerusalem, Israel
| | - Roni Tamari
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hillard M Lazarus
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Jacob M Rowe
- Department of Hematology, Shaare Zedek Medical Center, Jerusalem, Israel
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel
| | | | | | | | - Tsila Zuckerman
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel
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Servais S, Baron F, Lechanteur C, Seidel L, Baudoux E, Briquet A, Selleslag D, Maertens J, Poire X, Schroyens W, Graux C, De Becker A, Zachee P, Ory A, Herman J, Kerre T, Beguin Y. Multipotent mesenchymal stromal cells as treatment for poor graft function after allogeneic hematopoietic cell transplantation: A multicenter prospective analysis. Front Immunol 2023; 14:1106464. [PMID: 36817464 PMCID: PMC9929549 DOI: 10.3389/fimmu.2023.1106464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/13/2023] [Indexed: 02/04/2023] Open
Abstract
Introduction Poor graft function (PGF) is a rare but serious complication of allogeneic hematopoietic cell transplantation (alloHCT). Due to their hematopoietic supporting properties and immune regulatory effects, multipotent mesenchymal stromal cells (MSC) could be considered a good candidate to help to restore bone marrow (BM) niches homeostasis and facilitate hematopoiesis after alloHCT. Methods We prospectively assessed the efficacy and safety of ex-vivo expanded BM-derived MSC from third-party donor in a series of 30 patients with prolonged severe cytopenia and PGF after alloHCT. This multicenter trial was registered at www.clinicaltrials.gov (#NTC00603330). Results Within 90 days post-MSC infusion, 53% (95% CI, 35 - 71%) of patients improved at least one cytopenia (overall response, OR) and 37% (95% CI, 19 - 54%) achieved a complete hematological response (CR: absolute neutrophil count, ANC >0.5 x 109/L, Hb > 80g/L and platelet count > 20 x 109/L with transfusion independence). Corresponding response rates increased to 67% (95% CI, 50 - 84%) OR and 53% (95% CI, 35 - 71%) CR within 180 days after MSC infusion. A significant decrease in red blood cells and platelets transfusion requirement was observed after MSC (median of 30-days transfusion requirement of 0.5 and 0 from d90-120 post-MSC versus 5 and 6.5 before MSC, respectively, p ≤0.001). An increase in ANC was also noted by day +90 and +180, with 3/5 patients with severe neutropenia having recovered an ANC > 1 x 109/L within the 90-120 days after MSC infusion. Overall survival at 1 year post-MSC was 70% (95% CI, 55.4 - 88.5), with all but one of the patients who achieved CR being alive. A single infusion of third-party MSC appeared to be safe, with the exception of one deep vein thrombotic event possibly related to the intervention. Discussion In conclusion, a single i.v. infusion of BM-derived MSC from third party donor seemed to improve hematological function after alloHCT, although spontaneous amelioration cannot be excluded. Comparative studies are warranted to confirm these encouraging results.
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Affiliation(s)
- Sophie Servais
- Department of Clinical Hematology, University Hospital Center and University of Liège, Liège, Belgium,*Correspondence: Sophie Servais,
| | - Frédéric Baron
- Department of Clinical Hematology, University Hospital Center and University of Liège, Liège, Belgium
| | - Chantal Lechanteur
- Laboratory of Cell and Gene Therapy, University Hospital Center and University of Liège, Liège, Belgium
| | - Laurence Seidel
- Department of Biostatistics, SIMÉ, University Hospital Center and University of Liège, Liège, Belgium
| | - Etienne Baudoux
- Laboratory of Cell and Gene Therapy, University Hospital Center and University of Liège, Liège, Belgium
| | - Alexandra Briquet
- Laboratory of Cell and Gene Therapy, University Hospital Center and University of Liège, Liège, Belgium
| | - Dominik Selleslag
- Department of Clinical Hematology, AZ Sint-Jan Brugge-Oostende AV, Bruges, Belgium
| | - Johan Maertens
- Department of Clinical Hematology, University Hospital Leuven, Leuven, Belgium
| | - Xavier Poire
- Department of Clinical Hematology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Wilfried Schroyens
- Department of Clinical Hematology, Antwerp University Hospital, Edegem, Belgium
| | - Carlos Graux
- Department of Clinical Hematology, Université Catholique de Louvain, University Hospital Center Namur (Godinne), Yvoir, Belgium
| | - Ann De Becker
- Department of Clinical Hematology, Vrije Universiteit Brussel, Universitair Ziekenuis Brussel, Brussels, Belgium
| | - Pierre Zachee
- Department of Clinical Hematology, ZNA Stuivenberg, Antwerp, Belgium
| | - Aurélie Ory
- Belgian Hematology Society, Brussels, Belgium
| | | | - Tessa Kerre
- Department of Clinical Hematology, Ghent University Hospital, Ghent, Belgium
| | - Yves Beguin
- Department of Clinical Hematology, University Hospital Center and University of Liège, Liège, Belgium
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Keshavarz Shahbaz S, Mansourabadi AH, Jafari D. Genetically engineered mesenchymal stromal cells as a new trend for treatment of severe acute graft-versus-host disease. Clin Exp Immunol 2022; 208:12-24. [PMID: 35274673 PMCID: PMC9113247 DOI: 10.1093/cei/uxac016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/25/2021] [Accepted: 02/07/2022] [Indexed: 01/12/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are a population of non-hematopoietic and self-renewing cells characterized by the potential to differentiate into different cell subtypes. MSCs have interesting features which have attracted a lot of attention in various clinical investigations. Some basic features of MSCs are including the weak immunogenicity (absence of MHC-II and costimulatory ligands accompanied by the low expression of MHC-I) and the potential of plasticity and multi-organ homing via expressing related surface molecules. MSCs by immunomodulatory effects could also ameliorate several immune-pathological conditions like graft-versus-host diseases (GVHD). The efficacy and potency of MSCs are the main objections of MSCs therapeutic applications. It suggested that improving the MSC immunosuppressive characteristic via genetic engineering to produce therapeutic molecules consider as one of the best options for this purpose. In this review, we explain the functions, immunologic properties, and clinical applications of MSCs to discuss the beneficial application of genetically modified MSCs in GVHD.
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Affiliation(s)
- Sanaz Keshavarz Shahbaz
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-communicable Disease, Qazvin University of Medical Science, Qazvin, Iran
| | - Amir Hossein Mansourabadi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Immunogenetics Research Network (IgReN), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Davood Jafari
- Department of Immunology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
- Immunogenetics Research Network (IgReN), Universal Scientific Education and Research Network (USERN), Zanjan, Iran
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Clinical features, pathophysiology, and therapy of poor graft function post-allogeneic stem cell transplantation. Blood Adv 2022; 6:1947-1959. [PMID: 34492685 PMCID: PMC8941468 DOI: 10.1182/bloodadvances.2021004537] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 06/07/2021] [Indexed: 01/05/2023] Open
Abstract
Poor graft function (PGF), defined by the presence of multilineage cytopenias in the presence of 100% donor chimerism, is a serious complication of allogeneic stem cell transplant (alloSCT). Inducers or potentiators of alloimmunity such as cytomegalovirus reactivation and graft-versus-host disease are associated with the development of PGF, however, more clinical studies are required to establish further risk factors and describe outcomes of PGF. The pathophysiology of PGF can be conceptualized as dysfunction related to the number or productivity of the stem cell compartment, defects in bone marrow microenvironment components such as mesenchymal stromal cells and endothelial cells, or immunological suppression of post-alloSCT hematopoiesis. Treatment strategies focused on improving stem cell number and function and microenvironment support of hematopoiesis have been attempted with variable success. There has been limited use of immune manipulation as a therapeutic strategy, but emerging therapies hold promise. This review details the current understanding of the causes of PGF and methods of treatment to provide a framework for clinicians managing this complex problem.
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Zhao K, Lin R, Fan Z, Chen X, Wang Y, Huang F, Xu N, Zhang X, Zhang X, Xuan L, Wang S, Lin D, Deng L, Nie D, Weng J, Li Y, Zhang X, Li Y, Xiang AP, Liu Q. Mesenchymal stromal cells plus basiliximab, calcineurin inhibitor as treatment of steroid-resistant acute graft-versus-host disease: a multicenter, randomized, phase 3, open-label trial. J Hematol Oncol 2022; 15:22. [PMID: 35255929 PMCID: PMC8900437 DOI: 10.1186/s13045-022-01240-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 02/19/2022] [Indexed: 12/20/2022] Open
Abstract
Background Steroid-resistant (SR) acute graft-versus-host disease (aGVHD) lacks standard second-line treatment. Mesenchymal stromal cells (MSCs) have potential efficacy in SR aGVHD. We aimed to assess the efficacy and safety of MSCs combined with basiliximab and calcineurin inhibitor as second-line therapy for SR aGVHD.
Methods A randomized phase 3 trial involved 203 SR aGVHD patients at nine centers in China (September 2014–March 2019). Participants were randomized at a 1:1 ratio to receive second-line therapy with (n = 101) or without (n = 102) MSCs. The primary endpoint was the overall response (OR) at day 28. Secondary and safety endpoints included durable OR at day 56, failure-free survival, overall survival (OS), chronic GVHD (cGVHD), infection, hematological toxicity and relapse. Results Of 203 patients, 198 (97.5%; mean age, 30.1 years; 40.4% women) completed the study. The OR at day 28 was higher in the MSC group than the control group (82.8% [82 patients] vs. 70.7% [70]; odds ratio, 2.00; 95% confidence interval [CI], 1.01–3.94; P = 0.043). The durable OR at day 56 was also higher in the MSC group (78.8% [78 patients] vs. 64.6% [64]; odds ratio, 2.02; 95% CI, 1.08–3.83; P = 0.027). The median failure-free survival was longer in the MSC group compared with control (11.3 months vs. 6.0 months; hazard ratio (HR) 0.68; 95% CI, 0.48–0.95, P = 0.024). The 2-year cumulative incidence of cGVHD was 39.5% (95% CI, 29.3–49.4%) and 62.7% (51.4–72.1%) in the MSC and control groups (HR 0.55, 95% CI, 0.36–0.84; P = 0.005). Within 180 days after study treatments, the most common grade 3 and 4 adverse events were infections (65 [65.7%] in the MSC group vs. 78 [78.8%] in the control group) and hematological toxicity (37 [37.4%] vs. 53 [53.5%]). The 3-year cumulative incidence of tumor relapse was 10.1% (95% CI, 5.2–17.1) and 13.5% (7.5–21.2%) in the MSC and control groups, respectively (HR 0.75, 95% CI, 0.34–1.67, P = 0.610). Conclusions MSCs plus second-line treatments increase the efficacy of SR aGVHD, decrease drug toxicity of second-line drugs and cGVHD without increasing relapse, and are well-tolerated. MSCs could be recommended as a second-line treatment option for aGVHD patients. Trial registration clinicaltrials.gov identifier: NCT02241018. Registration date: September 16, 2014, https://clinicaltrials.gov/ct2/show/NCT02241018. Supplementary Information The online version contains supplementary material available at 10.1186/s13045-022-01240-4.
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Affiliation(s)
- Ke Zhao
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Ren Lin
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Zhiping Fan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Xiaoyong Chen
- Center for Stem Cell Biology and Tissue Engineering, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Yu Wang
- Department of Hematology, Peking University People's Hospital, Beijing, 100044, China
| | - Fen Huang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Na Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Xi Zhang
- Medical Center of Hematology, Xinqiao Hospital, Army Medical University, Chongqing, 400037, China
| | - Xin Zhang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Li Xuan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Shunqing Wang
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, 510180, China
| | - Dongjun Lin
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, China.,Department of Hematology, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, China
| | - Lan Deng
- Department of Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.,Department of Hematology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Danian Nie
- Department of Hematology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, 510120, China
| | - Jianyu Weng
- Department of Hematology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Yonghua Li
- Department of Hematology, General Hospital of Southern Theatre Command, Guangzhou, 440104, China
| | - Xiaohui Zhang
- Department of Hematology, Peking University People's Hospital, Beijing, 100044, China
| | - Yuhua Li
- Department of Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - A P Xiang
- Center for Stem Cell Biology and Tissue Engineering, Sun Yat-Sen University, Guangzhou, 510080, China.
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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Vasin MV. B-190 (Indralin) in Light of the History of the Formation of Ideas about the Mechanism of Action of Radioprotectors. BIOL BULL+ 2022. [DOI: 10.1134/s1062359021110091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Uria-Oficialdegui ML, Alonso L, Benitez-Carabante MI, Renedo B, Oliveras M, Diaz-de-Heredia C. Use of eltrombopag for the treatment of poor graft function after hematopoietic stem cell transplantation in children. Pediatr Transplant 2021; 25:e14010. [PMID: 33742757 DOI: 10.1111/petr.14010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 01/18/2021] [Accepted: 03/02/2021] [Indexed: 01/09/2023]
Abstract
The main objective of this study was to determine whether Eltrombopag, a synthetic thrombopoietin receptor agonist, could improve peripheral blood counts in the three hematopoietic lineages and achieve transfusion independence in children with poor graft function (PGF) after allogenic hematopoietic stem cell transplantation (HSCT). Retrospective study of patients under 18 years who developed PGF post-HSCT in a large tertiary institution between January 2013 and March 2019. Out of 198 allogeneic HSCT, five patients met PGF criteria and were treated with eltrombopag. Median time from HSCT to eltrombopag initiation was 120 days. The median starting dose was 50 mg/day and the maximum dose reached was 75 mg/day. Median treatment duration was 9 months. Three patients achieved complete response and one partial response. The median dose among responders was 75 mg/day and the median time to response 8 weeks. Responses were sustained in three patients and two required a booster dose of CD34+ -selected cells from the original donor. None of the patients had to stop treatment due to adverse effects. The use of eltrombopag in children with PGF achieved responses in 80% of cases and demonstrated to be an effective and safe therapeutic option in pediatric patients with PGF.
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Affiliation(s)
- M Luz Uria-Oficialdegui
- Department of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Barcelona, Spain
| | - Laura Alonso
- Department of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Barcelona, Spain
| | | | - Berta Renedo
- Department of Pharmacy, Hospital Universitari Vall d´Hebron, Barcelona, Spain
| | - Maria Oliveras
- Department of Pharmacy, Hospital Universitari Vall d´Hebron, Barcelona, Spain
| | - Cristina Diaz-de-Heredia
- Department of Pediatric Hematology and Oncology, Hospital Universitari Vall d´Hebron, Barcelona, Spain
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10
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Molecular Insights into the Potential of Extracellular Vesicles Released from Mesenchymal Stem Cells and Other Cells in the Therapy of Hematologic Malignancies. Stem Cells Int 2021; 2021:6633386. [PMID: 33679988 PMCID: PMC7906808 DOI: 10.1155/2021/6633386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/10/2021] [Accepted: 01/29/2021] [Indexed: 01/08/2023] Open
Abstract
Hematologic cancer encompasses the heterogeneous group of neoplasms that affect different stages of blood cell linages. Despite the significant improvements made in the new modalities of anticancer therapy, many forms of blood cancer remain untreatable, putting the afflicted patients at high risk of death. Therefore, there has been an urgent need for novel therapy to improve the clinical outcomes of patients with blood cancer. Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) have been reported to possess an anticancer activity. This review discusses (i) the therapeutic potential of MSC-EVs against blood cancer, (ii) the possibility of using EVs from sources other than MSCs as a mean for blood cancer vaccination and drug delivery, and (iii) areas to be optimized for MSC-EV-based clinical application on blood malignancies.
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Imamura M. Impaired Hematopoiesis after Allogeneic Hematopoietic Stem Cell Transplantation: Its Pathogenesis and Potential Treatments. HEMATO 2021. [DOI: 10.3390/hemato2010002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
Impaired hematopoiesis is a serious complication after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Bone marrow aplasia and peripheral cytopenias arise from primary and secondary graft failure or primary and secondary poor graft function. Chimerism analysis is useful to discriminate these conditions. By determining the pathogenesis of impaired hematopoiesis, a timely and appropriate treatment can be performed. Hematopoietic system principally consists of hematopoietic stem cells and bone marrow microenvironment termed niches. Abnormality in hematopoietic stem and progenitor cells and/or abnormality in the relevant niches give rise to hematological diseases. Allo-HSCT is intended to cure each hematological disease, replacing abnormal hematopoietic stem cells and bone marrow niches with hematopoietic stem cells and bone marrow niches derived from normal donors. Therefore, treatment for graft failure and poor graft function after allo-HSCT is required to proceed based on determining the pathogenesis of impaired hematopoiesis. Recent progress in this area suggests promising treatment manipulations for graft failure and poor graft function.
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Ringdén O, Gustafsson B, Sadeghi B. Mesenchymal Stromal Cells in Pediatric Hematopoietic Cell Transplantation a Review and a Pilot Study in Children Treated With Decidua Stromal Cells for Acute Graft-versus-Host Disease. Front Immunol 2020; 11:567210. [PMID: 33193339 PMCID: PMC7604265 DOI: 10.3389/fimmu.2020.567210] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 09/02/2020] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are rare precursors in all organs of the body. MSCs have profound anti-inflammatory effects and reduce alloreactivity in vitro and in vivo. In pediatric allogeneic hematopoietic cell transplantation (HCT), MSCs have mainly been used to treat acute graft-versus-host disease (GVHD). MSCs are commercially available for this indication in Canada, Japan, and New Zeeland. More rare indications for MSCs in pediatric patients include graft failure and chronic GVHD. MSCs from bone marrow, adipose tissue, umbilical cord, Wharton's jelly, placenta tissue, and decidua have been used, but the optimal clinical stromal cell source has not been compared in clinical trials. More experimental clinical indications using MSCs, such as sepsis, acute respiratory distress syndrome, hemorrhages, pneumo-mediastinum, and neuroinflammation have primarily been explored in animal models or adult HCT patients. MSCs have almost no if any side-effects. In this pilot study we report the outcome of six children treated with decidua stromal cells (DSCs) for steroid refractory acute GVHD. At 6 months, complete response was seen in four patients and partial response in two patients. One child with high-risk ALL died from relapse and a boy with sickle cell disease died from a cerebral hemorrhage. Five-year survival was 67% and all survivors showed a Lansky score of 100%. To conclude, MSCs from various organs are well-tolerated and have shown an encouraging outcome for acute GVHD in pediatric patients.
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Affiliation(s)
- Olle Ringdén
- Translational Cell Therapy Research (TCR), Division of Pediatrics, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Britt Gustafsson
- Division of Pediatrics, CLINTEC, Karolinska Institutet, Stockholm, Sweden
| | - Behnam Sadeghi
- Translational Cell Therapy Research (TCR), Division of Pediatrics, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
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13
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Gao F, Zhou X, Shi J, Luo Y, Tan Y, Fu H, Lai X, Yu J, Huang H, Zhao Y. Eltrombopag treatment promotes platelet recovery and reduces platelet transfusion for patients with post-transplantation thrombocytopenia. Ann Hematol 2020; 99:2679-2687. [PMID: 32519094 DOI: 10.1007/s00277-020-04106-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 05/27/2020] [Indexed: 02/08/2023]
Abstract
Post-transplantation thrombocytopenia (PT) is a common and severe complication which usually leads to poor prognosis. Eltrombopag (EPAG), a novel oral thrombopoietin (TPO) receptor agonist, has shown promising effects in thrombocytopenia due to immune thrombocytopenic purpura (ITP) and refractory severe aplastic anemia (rSAA), while the effectiveness of EPAG for PT patients still needs to be evaluated. A total of 32 PT patients receiving EPAG were retrospectively analyzed between September 2017 and July 2019, including 15 patients with poor graft function (PGF) and 17 patients with secondary failure of platelet recovery (SFPR). To date, 21 (65.6%) patients achieved overall recovery (OR) and 14 (43.8%) patients achieved complete recovery (CR). Among responders, 18 (85.7%) patients discontinued or tapered the drug and 16 (76.2%) patients successfully maintained their best response. During the EPAG treatment, responders received much lower median platelet transfusion units than non-responders (11 vs. 95, P < 0.001). After a median follow-up time of 364 days (range, 24-842), the overall survival in these patients was 78.1% (100% for responders and 36.4% for non-responders, P < 0.001). In the univariate and multivariate analysis, PGF was identified as the independent risk factor for OR (P = 0.041, HR = 5.333). Megakaryocyte (Megk) amounts (P = 0.025, HR = 14.638) and splenomegaly (P = 0.042, HR = 11.278) were identified as independent risk factors for CR. Besides, PGF patients tended to take a longer time to achieve PR and CR than SFPR patients. In conclusion, our data suggest that EPAG can promote platelet recovery and reduce platelet transfusion in PT patients.
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Affiliation(s)
- Fei Gao
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Xiaoyu Zhou
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Jimin Shi
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Yi Luo
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Yamin Tan
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Huarui Fu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Xiaoyu Lai
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - Jian Yu
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China
| | - He Huang
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China. .,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China. .,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China.
| | - Yanmin Zhao
- Bone Marrow Transplantation Center, the First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China. .,Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China. .,Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, Zhejiang, People's Republic of China.
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14
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Zhao MY, Fu YW, Wang Q, Ai H, Wang YQ, Zhou J, Fang BJ, Wei XD, Song YP. [The role of mesenchymal stem cells in allogeneic hematopoietic stem cell transplantation for patients with refractory severe aplastic anemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2019; 40:726-731. [PMID: 31648472 PMCID: PMC7342447 DOI: 10.3760/cma.j.issn.0253-2727.2019.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Indexed: 01/03/2023]
Abstract
Objective: To evaluate the efficacy and safety of mesenchymal stem cells in allogeneic hematopoietic stem cell transplantation for patients with refractory severe aplastic anemia (R-SAA) . Method: The clinical data of 25 R-SAA patients receiving co-transplantation of mesenchymal stem cells combined with peripheral blood stem cells from sibling donors (10 cases) and unrelated donors (15 cases) from March 2010 to July 2018 in Zhengzhou University Affiliated Tumor Hospital were retrospectively analyzed. Antithymocyte globulin (ATG) treatment was ineffective/relapsed in 11 cases, and cyclosporine (CsA) treatment ineffective/relapsed in 14 cases. Results: There were 13 male and 12 female among these patients. One patient had a primary graft failure, one patient had a poorly engraftment of platelets, and the remaining 23 patients achieved hematopoietic engraftment. The median time of granulocyte engraftment was 12.5 (10-23) days and 15 (11-25) days for megakaryocyte. Incidences of grade Ⅰ/Ⅱ acute graft-versus-host disease (aGVHD) and chronic graft-versus-host disease (cGVHD) were 37.5% (9/24) and 21.7% (5/23) , respectively. There was no severe GVHD and no severe complications that related to transplantation. 21 of 25 (84%) patients were alive with a median follow-up of 22.9 (1.6-107.8) months. The 5-year overall survival rate after transplantation was (83.6±7.5) %. Conclusion: The combination of mesenchymal stem cells is reliable and safe in the treatment of R-SAA in peripheral blood stem cell transplantation of unrelated donors and sibling donors, which could significantly reduce the incidence of GVHD and severe transplantation-related complications.
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Affiliation(s)
- M Y Zhao
- Haematology Department of the Affiliated Hospital of Zhengzhou University, Zhengzhou 450008, China
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15
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Zhao Y, Gao F, Shi J, Luo Y, Tan Y, Lai X, Yu J, Huang H. Incidence, Risk Factors, and Outcomes of Primary Poor Graft Function after Allogeneic Hematopoietic Stem Cell Transplantation. Biol Blood Marrow Transplant 2019; 25:1898-1907. [DOI: 10.1016/j.bbmt.2019.05.036] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/21/2019] [Accepted: 05/29/2019] [Indexed: 12/23/2022]
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16
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Khalifa J, François S, Rancoule C, Riccobono D, Magné N, Drouet M, Chargari C. Gene therapy and cell therapy for the management of radiation damages to healthy tissues: Rationale and early results. Cancer Radiother 2019; 23:449-465. [PMID: 31400956 DOI: 10.1016/j.canrad.2019.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 06/06/2019] [Indexed: 12/14/2022]
Abstract
Nowadays, ionizing radiations have numerous applications, especially in medicine for diagnosis and therapy. Pharmacological radioprotection aims at increasing detoxification of free radicals. Radiomitigation aims at improving survival and proliferation of damaged cells. Both strategies are essential research area, as non-contained radiation can lead to harmful effects. Some advances allowing the comprehension of normal tissue injury mechanisms, and the discovery of related predictive biomarkers, have led to developing several highly promising radioprotector or radiomitigator drugs. Next to these drugs, a growing interest does exist for biotherapy in this field, including gene therapy and cell therapy through mesenchymal stem cells. In this review article, we provide an overview of the management of radiation damages to healthy tissues via gene or cell therapy in the context of radiotherapy. The early management aims at preventing the occurrence of these damages before exposure or just after exposure. The late management offers promises in the reversion of constituted late damages following irradiation.
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Affiliation(s)
- J Khalifa
- Départment de radiothérapie, institut Claudius-Regaud, institut universitaire du cancer de Toulouse - Oncopole, 1, avenue Irène-Joliot-Curie, 31100 Toulouse, France.
| | - S François
- Institut de recherche biomédicale des armées, BP73, 91223 Brétigny-sur-Orge cedex, France
| | - C Rancoule
- Département de radiothérapie, institut de cancérologie de la Loire Lucien-Neuwirth, 108 bis, avenue Albert-Raimond, 42270 Saint-Priest-en-Jarez, France; Laboratoire de radiobiologie cellulaire et moléculaire, UMR 5822, institut de physique nucléaire de Lyon (IPNL), 69622 Villeurbanne, France; UMR 5822, CNRS, domaine scientifique de la Doua, 4, rue Enrico-Fermi, 69622 Villeurbanne cedex, France; UMR 5822, université Lyon 1, domaine scientifique de la Doua, 4, rue Enrico-Fermi, 69622 Villeurbanne cedex, France; UMR 5822, université de Lyon, domaine scientifique de la Doua, 4, rue Enrico-Fermi, 69622 Villeurbanne cedex, France
| | - D Riccobono
- Institut de recherche biomédicale des armées, BP73, 91223 Brétigny-sur-Orge cedex, France
| | - N Magné
- Département de radiothérapie, institut de cancérologie de la Loire Lucien-Neuwirth, 108 bis, avenue Albert-Raimond, 42270 Saint-Priest-en-Jarez, France; Laboratoire de radiobiologie cellulaire et moléculaire, UMR 5822, institut de physique nucléaire de Lyon (IPNL), 69622 Villeurbanne, France; UMR 5822, CNRS, domaine scientifique de la Doua, 4, rue Enrico-Fermi, 69622 Villeurbanne cedex, France; UMR 5822, université Lyon 1, domaine scientifique de la Doua, 4, rue Enrico-Fermi, 69622 Villeurbanne cedex, France; UMR 5822, université de Lyon, domaine scientifique de la Doua, 4, rue Enrico-Fermi, 69622 Villeurbanne cedex, France
| | - M Drouet
- Institut de recherche biomédicale des armées, BP73, 91223 Brétigny-sur-Orge cedex, France
| | - C Chargari
- Institut de recherche biomédicale des armées, BP73, 91223 Brétigny-sur-Orge cedex, France; Service de santé des armées, école du Val-de-Grâce, 74, boulevard de Port-Royal, 75005 Paris, France; Département de radiothérapie, Gustave-Roussy Cancer Campus, 114, rue Édouard-Vailant, 94805 Villejuif, France
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17
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Effect of nutritional supplement on bone marrow-derived mesenchymal stem cells from aplastic anaemia. Br J Nutr 2019; 119:748-758. [PMID: 29569543 DOI: 10.1017/s0007114518000399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Aplastic anaemia (AA) is characterised by pancytopenia resulting from a marked reduction in haemopoietic stem cells (HSC). The regulation of haemopoiesis depends on the interaction between HSC and various cells of the bone marrow (BM) microenvironment, including BM-derived mesenchymal stromal cells (BMSC). The purpose of this study was to analyse the biological effect of nutritional supplement (NS), a dietary supplement consisting of thirty-six compounds: amino acids, nucleotides, vitamins and micronutrients on the BMSC of AA rats. The AA rat model was established by irradiating X-ray (2·5 Gy) and intraperitoneal injections of cyclophosphamide (35 mg/kg; Sigma) and chloramphenicol (35 mg/kg; Sigma). Then AA rats were fed with NS in a dose-dependent manner (2266·95, 1511·3, 1057·91 mg/kg d) by intragastric administration. The effect of NS on the BMSC of AA rats was analysed. As compared with AA rats, NS treatment significantly improved these peripheral blood parameters and stimulated the proliferation of total femoral nucleated cells. NS treatment affected proliferative behaviour of BMSC and suppressed BMSC differentiation to adipocytes. Furthermore, NS treatment of AA rats accelerated osteogenic differentiation of BMSC and enhanced bone mineral density. Co-incubation of HSC with mesenchymal stromal cells and serum from AA rats subjected to high-dose NS markedly improved the yield of CD34+cells. Protein microarray analysis revealed that there were eleven differentially expressed proteins in the NS group compared with the AA rat group. The identified specific NS might be implicated in rehabilitation of BMSC in AA rats, suggesting their potential of nutritional support in AA treatment.
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18
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Han N, Xiao Y. [Research status and application prospect of mesenchymal stem cells in hematological diseases]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2018; 39:346-349. [PMID: 29779338 PMCID: PMC7342131 DOI: 10.3760/cma.j.issn.0253-2727.2018.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Indexed: 11/07/2022]
Affiliation(s)
| | - Y Xiao
- Department of Hematology, Guangzhou General Hospital of Guangzhou Military Command of PLA, Southern Medical University, Guangdong 510010, China
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19
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Mesenchymal Stem Cell Benefits Observed in Bone Marrow Failure and Acquired Aplastic Anemia. Stem Cells Int 2017; 2017:8076529. [PMID: 29333168 PMCID: PMC5733198 DOI: 10.1155/2017/8076529] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 08/15/2017] [Accepted: 09/10/2017] [Indexed: 12/16/2022] Open
Abstract
Acquired aplastic anemia (AA) is a type of bone marrow failure (BMF) syndrome characterized by partial or total bone marrow (BM) destruction resulting in peripheral blood (PB) pancytopenia, which is the reduction in the number of red blood cells (RBC) and white blood cells (WBC), as well as platelets (PLT). The first-line treatment option of AA is given by hematopoietic stem cell (HSCs) transplant and/or immunosuppressive (IS) drug administration. Some patients did not respond to the treatment and remain pancytopenic following IS drugs. The studies are in progress to test the efficacy of adoptive cellular therapies as mesenchymal stem cells (MSCs), which confer low immunogenicity and are reliable allogeneic transplants in refractory severe aplastic anemia (SAA) cases. Moreover, bone marrow stromal cells (BMSC) constitute an essential component of the hematopoietic niche, responsible for stimulating and enhancing the proliferation of HSCs by secreting regulatory molecules and cytokines, providing stimulus to natural BM microenvironment for hematopoiesis. This review summarizes scientific evidences of the hematopoiesis improvements after MSC transplant, observed in acquired AA/BMF animal models as well as in patients with acquired AA. Additionally, we discuss the direct and indirect contribution of MSCs to the pathogenesis of acquired AA.
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Aqmasheh S, Shamsasanjan K, Akbarzadehlaleh P, Pashoutan Sarvar D, Timari H. Effects of Mesenchymal Stem Cell Derivatives on Hematopoiesis and Hematopoietic Stem Cells. Adv Pharm Bull 2017; 7:165-177. [PMID: 28761818 PMCID: PMC5527230 DOI: 10.15171/apb.2017.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 04/08/2017] [Accepted: 04/18/2017] [Indexed: 12/11/2022] Open
Abstract
Hematopoiesis is a balance among quiescence, self-renewal, proliferation, and differentiation, which is believed to be firmly adjusted through interactions between hematopoietic stem and progenitor cells (HSPCs) with the microenvironment. This microenvironment is derived from a common progenitor of mesenchymal origin and its signals should be capable of regulating the cellular memory of transcriptional situation and lead to an exchange of stem cell genes expression. Mesenchymal stem cells (MSCs) have self-renewal and differentiation capacity into tissues of mesodermal origin, and these cells can support hematopoiesis through release various molecules that play a crucial role in migration, homing, self-renewal, proliferation, and differentiation of HSPCs. Studies on the effects of MSCs on HSPC differentiation can develop modern solutions in the treatment of patients with hematologic disorders for more effective Bone Marrow (BM) transplantation in the near future. However, considerable challenges remain on realization of how paracrine mechanisms of MSCs act on the target tissues, and how to design a therapeutic regimen with various paracrine factors in order to achieve optimal results for tissue conservation and regeneration. The aim of this review is to characterize and consider the related aspects of the ability of MSCs secretome in protection of hematopoiesis.
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Affiliation(s)
- Sara Aqmasheh
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Karim Shamsasanjan
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Akbarzadehlaleh
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Hamze Timari
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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De Luca L, Trino S, Laurenzana I, Lamorte D, Caivano A, Del Vecchio L, Musto P. Mesenchymal Stem Cell Derived Extracellular Vesicles: A Role in Hematopoietic Transplantation? Int J Mol Sci 2017; 18:ijms18051022. [PMID: 28486431 PMCID: PMC5454935 DOI: 10.3390/ijms18051022] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/04/2017] [Accepted: 05/04/2017] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are a heterogeneous cellular population containing different progenitors able to repair tissues, support hematopoiesis, and modulate immune and inflammatory responses. Several clinical trials have used MSCs in allogeneic hematopoietic stem cell transplantation (allo-HSCT) to prevent hematopoietic stem cell (HSC) engraftment failure, reduce aplasia post chemotherapy, and to control graft versus host disease (GvHD). The efficacy of MSCs is linked to their immune suppressive and anti-inflammatory properties primarily due to the release of soluble factors. Recent studies indicate that most of these effects are mediated by extracellular vesicles (EVs). MSC-EVs have therefore therapeutic effects in regenerative medicine, tumor inhibition, and immune-regulation. MSC-EVs may offer specific advantages for patient safety, such as lower propensity to trigger innate and adaptive immune responses. It has been also shown that MSC-EVs can prevent or treat acute-GvHD by modulating the immune-response and, combined with HSCs, may contribute to the hematopoietic microenvironment reconstitution. Finally, MSC-EVs may provide a new potential therapeutic option (e.g., transplantation, gene therapy) for different diseases, particularly hematological malignancies. In this review, we will describe MSC and MSC-EVs role in improving allo-HSCT procedures and in treating GvHD.
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Affiliation(s)
- Luciana De Luca
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
| | - Stefania Trino
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
| | - Ilaria Laurenzana
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
| | - Daniela Lamorte
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
| | - Antonella Caivano
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
| | - Luigi Del Vecchio
- CEINGE Biotecnologie Avanzate s.c.a r.l., 80147 Naples, Italy.
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, 80138 Napoli, Italy.
| | - Pellegrino Musto
- Scientific Direction, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
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Stenger EO, Chinnadurai R, Yuan S, Garcia M, Arafat D, Gibson G, Krishnamurti L, Galipeau J. Bone Marrow-Derived Mesenchymal Stromal Cells from Patients with Sickle Cell Disease Display Intact Functionality. Biol Blood Marrow Transplant 2017; 23:736-745. [PMID: 28132869 DOI: 10.1016/j.bbmt.2017.01.081] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 01/24/2017] [Indexed: 12/31/2022]
Abstract
Hematopoietic cell transplantation (HCT) is the only cure for sickle cell disease (SCD), but engraftment remains challenging in patients lacking matched donors. Infusion of mesenchymal stromal cells (MSCs) at the time of HCT may promote hematopoiesis and ameliorate graft-versus-host disease. Experimental murine models suggest MSC major histocompatibility complex compatibility with recipient impacts their in vivo function, suggesting autologous MSCs could be superior to third-party MSCs for promoting HCT engraftment. Here we tested whether bone marrow (BM)-derived MSCs from SCD subjects have comparable functionality compared with MSCs from healthy volunteers. SCD MSC doubling time and surface marker phenotype did not differ significantly from non-SCD. Third-party and autologous (SCD) T cell proliferation was suppressed in a dose-dependent manner by all MSCs. SCD MSCs comparably expressed indoleamine-2,3-dioxygenase, which based on transwell and blocking experiments appeared to be the dominant immunomodulatory pathway. The expression of key genes involved in hematopoietic stem cell (HSC)-MSC interactions was minimally altered between SCD and non-SCD MSCs. Expression was, however, altered by IFN-γ stimulation, particularly CXCL14, CXCL26, CX3CL1, CKITL, and JAG1, indicating the potential to augment MSC expression by cytokine stimulation. These data demonstrate the feasibility of expanding BM-derived MSCs from SCD patients that phenotypically and functionally do not differ per International Society of Cell Therapy essential criteria from non-SCD MSCs, supporting initial evaluation (primarily for safety) of autologous MSCs to enhance haploidentical HSC engraftment in SCD.
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Affiliation(s)
- Elizabeth O Stenger
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, Atlanta, Georgia.
| | - Raghavan Chinnadurai
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia
| | - Shala Yuan
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia
| | - Marco Garcia
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia
| | - Dalia Arafat
- School of Biology, Georgia Institute of Technology, Atlanta, Georgia
| | - Greg Gibson
- School of Biology, Georgia Institute of Technology, Atlanta, Georgia
| | - Lakshmanan Krishnamurti
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, Atlanta, Georgia
| | - Jacques Galipeau
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, Atlanta, Georgia; Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia
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23
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Dysfonctionnement du greffon et érythroblastopénie après allogreffe de cellules souches hématopoïétiques : recommandations de la Société francophone de greffe de moelle et de thérapie cellulaire (SFGM-TC). Bull Cancer 2016; 103:S248-S254. [DOI: 10.1016/j.bulcan.2016.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 09/01/2016] [Indexed: 11/23/2022]
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24
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Wijesinghe SJ, Ling L, Murali S, Qing YH, Hinkley SFR, Carnachan SM, Bell TJ, Swaminathan K, Hui JH, van Wijnen AJ, Nurcombe V, Cool SM. Affinity Selection of FGF2-Binding Heparan Sulfates for Ex Vivo Expansion of Human Mesenchymal Stem Cells. J Cell Physiol 2016; 232:566-575. [PMID: 27291835 DOI: 10.1002/jcp.25454] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 06/10/2016] [Indexed: 12/25/2022]
Abstract
The future of human mesenchymal stem cells (hMSCs) as a successful cell therapy relies on bioprocessing strategies to improve the scalability of these cells without compromising their therapeutic ability. The culture-expansion of hMSCs can be enhanced by supplementation with growth factors, particularly fibroblast growth factor 2 (FGF2). The biological activity of FGF2 is controlled through interactions with heparan sulfate (HS) that facilitates ligand-receptor complex formation. We previously reported on an FGF2-interacting HS variant (termed HS2) isolated from embryonic tissue by anionic exchange chromatography that increased the proliferation and potency of hMSCs. Here, we detail the isolation of an FGF2 affinity-purified HS variant (HS8) using a scalable platform technology previously employed to generate HS variants with increased affinity for BMP-2 or VEGF165 . This process used a peptide sequence derived from the heparin-binding domain of FGF2 as a substrate to affinity-isolate HS8 from a commercially available source of porcine mucosal HS. Our data show that HS8 binds to FGF2 with higher affinity than to FGF1, FGF7, BMP2, PDGF-BB, or VEGF165 . Also, HS8 protects FGF2 from thermal destabilization and increases FGF signaling and hMSC proliferation through FGF receptor 1. Long-term supplementation of cultures with HS8 increased both hMSC numbers and their colony-forming efficiency without adversely affecting the expression of hMSC-related cell surface antigens. This strategy further exemplifies the utility of affinity-purifying HS variants against particular ligands important to the stem cell microenvironment and advocates for their addition as adjuvants for the culture-expansion of hMSCs destined for cellular therapy. J. Cell. Physiol. 232: 566-575, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Ling Ling
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Sadasivam Murali
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Yeong Hui Qing
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Simon F R Hinkley
- The Ferrier Research Institute, Victoria University of Wellington, Lower Hutt, New Zealand
| | - Susan M Carnachan
- The Ferrier Research Institute, Victoria University of Wellington, Lower Hutt, New Zealand
| | - Tracey J Bell
- The Ferrier Research Institute, Victoria University of Wellington, Lower Hutt, New Zealand
| | | | - James H Hui
- Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Andre J van Wijnen
- Department of Orthopedic Surgery and Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota
| | - Victor Nurcombe
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Simon M Cool
- Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Singapore.,Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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25
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Zhao K, Liu Q. The clinical application of mesenchymal stromal cells in hematopoietic stem cell transplantation. J Hematol Oncol 2016; 9:46. [PMID: 27193054 PMCID: PMC4870746 DOI: 10.1186/s13045-016-0276-z] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 05/11/2016] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stromal cells (MSCs) are multipotent stem cells well known for repairing tissue, supporting hematopoiesis, and modulating immune and inflammation response. These outstanding properties make MSCs as an attractive candidate for cellular therapy in immune-based disorders, especially hematopoietic stem cell transplantation (HSCT). In this review, we outline the progress of MSCs in preventing and treating engraftment failure (EF), graft-versus-host disease (GVHD) following HSCT and critically discuss unsolved issues in clinical applications.
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Affiliation(s)
- Ke Zhao
- Department of Hematology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Blvd North, Guangzhou, China
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, 1838 Guangzhou Blvd North, Guangzhou, China.
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26
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Peris P, Roforth MM, Nicks KM, Fraser D, Fujita K, Jilka RL, Khosla S, McGregor U. Ability of circulating human hematopoietic lineage negative cells to support hematopoiesis. J Cell Biochem 2016; 116:58-66. [PMID: 25145595 DOI: 10.1002/jcb.24942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 08/15/2014] [Indexed: 12/24/2022]
Abstract
Hematopoietic stem cell (HSC) self-renewal is regulated by osteoblast and/or endothelial cells within the hematopoietic niche. However, the true identity of the supporting cells and the nature of the secreted factors remain uncertain. We developed a novel mouse model and analyzed whether circulating human peripheral hematopoietic lineage negative/AP+ (lin-/AP+) cells support hematopoiesis in vivo. Thus, immunocompromised (Rag) mice expressing thymidine kinase (Tk) under the control of the 3.6Col1α1 promoter (Tk-Rag) were treated with ganciclovir, resulting in osteoblast progenitor cell ablation and subsequent loss of hematopoiesis (evaluated by measuring mouse Ter119+ erythroid cells). Following hematopoietic cell depletion, human bone marrow-derived marrow stromal cells (MSCs) or lin-/AP+ cells were infused into Tk-Rag mice and compared with saline infusions. Ganciclovir significantly reduced (7.4-fold) Ter119+ cells in the bone marrow of Tk-Rag mice compared to saline injections. Infusion of either MSCs or lin-/AP+ cells into ganciclovir-treated mice resulted in a 3.3-fold and 2.7-fold increase (P < 0.01), respectively, in Ter119+ cells compared to mice receiving saline. Relative to lin-/AP- cells, lin-/AP+ cells expressed high levels of mesenchymal, endothelial, and hematopoiesis supporting genes. Thus, human peripheral blood lin-/AP+ cells represent a novel cell type capable of supporting hematopoiesis in a manner comparable to MSCs.
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Affiliation(s)
- Pilar Peris
- Endocrine Research Unit, College of Medicine, Mayo Clinic, Rochester, Minnesota; Rheumatology Department, Hospital Clinic, IDIBAPS, CIBERehd, Barcelona, Spain
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27
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Abstract
Acute radiation syndrome affects military personnel and civilians following the uncontrolled dispersal of radiation, such as that caused by detonation of nuclear devices and inappropriate medical treatments. Therefore, there is a growing need for medical interventions that facilitate the improved recovery of victims and patients. One promising approach may be cell therapy, which, when appropriately implemented, may facilitate recovery from whole body injuries. This editorial highlights the current knowledge regarding the use of mesenchymal stem cells for the treatment of acute radiation syndrome, the benefits and limitations of which are under investigation. Establishing successful therapies for acute radiation syndrome may require using such a therapeutic approach in addition to conventional approaches.
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Affiliation(s)
- Risaku Fukumoto
- Educational-Scientific Center, Faculty of Health Sciences, Medical University of Białystok, ul. Szpitalna 37, 15-295 Białystok, Poland
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28
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Stenger EO, Krishnamurti L, Galipeau J. Mesenchymal stromal cells to modulate immune reconstitution early post-hematopoietic cell transplantation. BMC Immunol 2015; 16:74. [PMID: 26674007 PMCID: PMC4681052 DOI: 10.1186/s12865-015-0135-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 11/19/2015] [Indexed: 12/21/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are multipotent progenitor cells known to modulate the immune system and to promote hematopoiesis. These dual effects make MSCs attractive for use as cellular therapy in hematopoietic cell transplantation (HCT). MSCs can be used peri-HCT or pre-engraftment to modulate immune reconstitution, promoting hematopoietic stem cell (HSC) engraftment and/or preventing graft-versus-host disease (GVHD). Pre-clinical studies have demonstrated that MSCs can potentiate HSC engraftment and prevent GVHD in a variety of animal models. Clinical trials have been small and largely non-randomized but have established safety and early evidence of efficacy, supporting the need for larger randomized trials.
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Affiliation(s)
- Elizabeth O Stenger
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, 1405 Clifton Road, Atlanta, GA, 30322, USA.
| | - Lakshmanan Krishnamurti
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, 1405 Clifton Road, Atlanta, GA, 30322, USA.
| | - Jacques Galipeau
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University, 1405 Clifton Road, Atlanta, GA, 30322, USA. .,Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, 1365 Clifton Road, Atlanta, GA, 30322, USA.
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29
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Fajardo-Orduña GR, Mayani H, Montesinos JJ. Hematopoietic Support Capacity of Mesenchymal Stem Cells: Biology and Clinical Potential. Arch Med Res 2015; 46:589-96. [PMID: 26522615 DOI: 10.1016/j.arcmed.2015.10.001] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 10/19/2015] [Indexed: 10/22/2022]
Abstract
Mesenchymal stem cells (MSCs) play an important role in the physiology and homeostasis of the hematopoietic system. Because MSCs generate most of the stromal cells present in the bone marrow (BM), form part of the hematopoietic stem cell (HSC) niche, and produce various molecules regulating hematopoiesis, their hematopoiesis-supporting capacity has been demonstrated. In the last decade, BM-MSCs have been proposed to be useful in some ex vivo protocols for HSC expansion, with the aim of expanding their numbers for transplant purposes (HSC transplant, HSCT). Furthermore, application of MSCs has been proposed as an adjuvant cellular therapy for promoting rapid hematopoietic recovery in HSCT patients. Although the MSCs used in preliminary clinical trials have come from the BM, isolation of MSCs from far more accessible sources such as neonatal tissues has now been achieved, and these cells have been found to possess similar biological characteristics to those isolated from the BM. Therefore, such tissues are now considered as a potential alternative source of MSCs for clinical applications. In this review, we discuss current knowledge regarding the biological characteristics of MSCs as related to their capacity to support the formation of hematopoietic stem and progenitor cells. We also describe MSC manipulation for ex vivo HSC expansion protocols used for transplants and their clinical relevance for hematopoietic recovery in HSCT patients.
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Affiliation(s)
- Guadalupe R Fajardo-Orduña
- Mesenchymal Stem Cell Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, Mexico City, Mexico
| | - Héctor Mayani
- Hematopoietic Stem Cell Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, Mexico City, Mexico
| | - Juan J Montesinos
- Mesenchymal Stem Cell Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, Mexico City, Mexico.
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Effects of bone marrow mesenchymal stem cells on hematopoietic recovery and acute graft-versus-host disease in murine allogeneic umbilical cord blood transplantation model. Cell Biochem Biophys 2015; 70:115-22. [PMID: 24696072 DOI: 10.1007/s12013-014-9866-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
To investigate the effect of bone marrow mesenchymal stem cells (MSC) on hematopoietic recovery and acute graft-versus-host disease (GVHD) in a murine allogeneic umbilical cord blood transplantation (allo-UCBT) model. MSCs were obtained from C57/BL mouse bone marrow. The MSC phenotypes were identified by flow cytometry (FCM), and their ability to differentiate into osteoblasts and adipocytes was tested. Once murine allo-UCBT and aGVHD models were established, mice were divided into five groups: (1) total body irradiation (TBI) group, each mouse receiving 0.3 ml sterile saline infusion after TBI and used as control; (2) UCB group, receiving 2 × 10(6) umbilical cord blood mononuclear cells (UCB-MNC) after TBI; (3) UCB+MSC group, receiving 2 × 10(6) UCB-MNC and 2 × 10(7) MSC after TBI; (4) UCB+SC group, receiving 2 × 10(6) UCB-MNC and 2 × 10(6) spleen cells after TBI; and (5) UCB+SC+MSC group, receiving 2 × 10(6) UCB-MNC, 2 × 10(7) MSC and 2 × 10(6) spleen cells after TBI. To evaluate the engraftment of HSC, the white blood cells, red blood cells, and platelets counts were tested at different time points after transplantation, and the ratio of chimerism was identified by FCM. The acute GVHD clinical scores, recipient mice survival, and the histopathological analyses were used to evaluate the effect of MSC on acute GVHD. MSCs were successfully obtained in vitro and FCM analysis showed that these cells are highly positive for CD90.2, CD44, and negative for CD34, CD45, and they are capable to differentiate into osteoblasts and adipocytes after being induced. Compared to UCB group, the UCB+MSC mice had shorter duration of myelosuppression and higher percentage of donor-derived cells which was up to 22.87 ± 4.3 % and the white blood cell (WBC), red blood cell (RBC), and platelet counts started to increase by day 6 after transplantation. Moreover, the average survival time for UCB+MSC mice was 25.0 ± 10.55 days, while for the UCB group it was 15.5 ± 12.50 days. The UCB+SC mice showed fatigue, loss of appetite, weight loss, arched back, and hair ruffling on day 13 post transplantation. Approximately 50 % of mice showed skin ulcers, had diarrhea and other manifestations of acute GVHD, and all mice were died within 20 days. Histopathological analysis confirmed grade II-IV GVHD manifestation. In addition to transient weight loss, some UCB+SC+MSC mice developed arched back, hair ruffling, diarrhea and other manifestations of acute GVHD. The clinical scores in UCB+SC+MSC mice with acute GVHD (grade I-II or without GVHD) were lower than UCB+SC group (P < 0.05). Bone marrow MSCs can promote hematopoietic recovery and decrease the incidence of acute GVHD in murine allo-UCBT model.
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31
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de la Kethulle de Ryhove L, Ansseau E, Nachtegael C, Pieters K, Vanderplanck C, Geens M, Sermon K, Wilton SD, Coppée F, Lagneaux L, Belayew A. The Role of D4Z4-Encoded Proteins in the Osteogenic Differentiation of Mesenchymal Stromal Cells Isolated from Bone Marrow. Stem Cells Dev 2015; 24:2674-86. [PMID: 26192274 DOI: 10.1089/scd.2014.0575] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Facioscapulohumeral muscular dystrophy (FSHD) is associated with an activation of the double homeobox 4 (DUX4) gene, which we previously identified within the D4Z4 repeated elements in the 4q35 subtelomeric region. The pathological DUX4 mRNA is derived from the most distal D4Z4 unit and extends unexpectedly within the flanking pLAM region, which provides an intron and polyadenylation signal. The conditions that are required to develop FSHD are a permissive allele providing the polyadenylation signal and hypomethylation of the D4Z4 repeat array compared with the healthy muscle. The DUX4 protein is a 52-kDa transcription factor that initiates a large gene deregulation cascade leading to muscle atrophy, inflammation, differentiation defects, and oxidative stress, which are the key features of FSHD. DUX4 is a retrogene that is normally expressed in germline cells and is submitted to repeat-induced silencing in adult tissues. Since DUX4 mRNAs have been detected in human embryonic and induced pluripotent stem cells, we investigated whether they could also be expressed in human mesenchymal stromal cells (hMSCs). We found that DUX4 mRNAs were induced during the differentiation of hMSCs into osteoblasts and that this process involved DUX4 and new longer protein forms (58 and 70 kDa). A DUX4 mRNA with a more distant 5' start site was characterized that presented a 60-codon reading frame extension and encoded the 58-kDa protein. Transfections of hMSCs with an antisense oligonucleotide targeting DUX4 mRNAs decreased both the 52- and 58-kDa protein levels and confirmed their identity. Gain- and loss-of-function experiments in hMSCs suggested these DUX4 proteins had opposite roles in osteogenic differentiation as evidenced by the alkaline phosphatase activity and calcium deposition. Differentiation was delayed by the 58-kDa DUX4 expression and it was increased by 52-kDa DUX4. These data indicate a role for DUX4 protein forms in the osteogenic differentiation of hMSCs.
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Affiliation(s)
| | - Eugénie Ansseau
- 1 Laboratory of Molecular Biology, University of Mons , Mons, Belgium
| | | | - Karlien Pieters
- 2 Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles , Brussels, Belgium
| | | | - Mieke Geens
- 3 Department of Embryology and Genetics, Vrije Universiteit Brussel , Jette, Belgium
| | - Karen Sermon
- 3 Department of Embryology and Genetics, Vrije Universiteit Brussel , Jette, Belgium
| | - Steve D Wilton
- 4 Centre for Comparative Genomics, Murdoch University , Murdoch, and The University of Western Australia, Crawley, and Western Australian Neuroscience Institute, Nedlands, Western Australia, Australia
| | - Frédérique Coppée
- 1 Laboratory of Molecular Biology, University of Mons , Mons, Belgium
| | - Laurence Lagneaux
- 2 Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles , Brussels, Belgium
| | - Alexandra Belayew
- 1 Laboratory of Molecular Biology, University of Mons , Mons, Belgium
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32
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De Becker A, Van Riet I. Mesenchymal Stromal Cell Therapy in Hematology: From Laboratory to Clinic and Back Again. Stem Cells Dev 2015; 24:1713-29. [PMID: 25923433 DOI: 10.1089/scd.2014.0564] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
There is currently major interest to use mesenchymal stromal cells (MSCs) for a very diverse range of therapeutic applications. This stems mainly from the immunosuppressive qualities and differentiation capacity of these cells. In this review, we focus on cell therapy applications for MSCs in hematology. In this domain, MSCs are used for the treatment or prevention of graft-versus-host disease, support of hematopoiesis, or repair of tissue toxicities after hematopoietic cell transplantation. We critically review the accumulating clinical data and elaborate on complications that might arise from treatment with MSCs. In addition, we assume that the real clinical benefit of using MSCs for these purposes can only be estimated by a better understanding of the influence of in vitro expansion on the biological properties of these cells as well as by more harmonization of the currently used expansion protocols.
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Affiliation(s)
- Ann De Becker
- Stem Cell Laboratory, Department Clinical Hematology, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel (VUB) , Brussel, Belgium
| | - Ivan Van Riet
- Stem Cell Laboratory, Department Clinical Hematology, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel (VUB) , Brussel, Belgium
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Liu X, Wu M, Peng Y, Chen X, Sun J, Huang F, Fan Z, Zhou H, Wu X, Yu G, Zhang X, Li Y, Xiao Y, Song C, Xiang AP, Liu Q. Improvement in poor graft function after allogeneic hematopoietic stem cell transplantation upon administration of mesenchymal stem cells from third-party donors: a pilot prospective study. Cell Transplant 2015; 23:1087-98. [PMID: 23294601 DOI: 10.3727/096368912x661319] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Poor graft function (PGF) is a refractory complication that occurs after allogeneic hematopoietic stem cell transplantation (allo-HSCT). In the present study, we prospectively evaluated the efficacy and safety of mesenchymal stem cells (MSCs) expanded from the bone marrow of a third-party donor to patients with PGF after allo-HSCT. Twenty patients with PGF (7 with primary and 13 with secondary PGF) received MSCs (1 × 10(6)/kg) one to three times at 28-day intervals. Seventeen patients were responsive to MSCs, whereas three were not. Within the first 100 days after MSC treatment, 13 patients developed 20 episodes of infection. Moreover, five patients experienced cytomegalovirus-DNA viremia, and seven experienced Epstein-Barr virus (EBV)-DNA viremia within the first 100 days after MSC treatment; three of the latter developed EBV-associated posttransplant lymphoproliferative disorders (PTLD) within the follow-up period. Grade II acute graft-versus-host disease (GVHD) occurred in one patient, and local chronic GVHD occurred in two patients after receiving MSC treatment, including one acute GVHD and one chronic GVHD, respectively, after accepting donor lymphocyte infusions due to PTLD. After a follow-up period of an average of 508 days (range 166-904 days) posttransplantation, 11 patients died. No short-term toxic side effects were observed after MSC treatment. Two patients experienced leukemic relapse. With the exception of three patients with PTLD, no secondary tumors occurred. These results indicate that MSCs derived from the bone marrow of a third-party donor are beneficial in the treatment of both primary and secondary PGF that develops after allo-HSCT. However, additional studies will be needed to determine whether such treatment might increase the risk of EBV infection and reactivation or the development of EBV-associated PTLD.
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Affiliation(s)
- Xiaodan Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Knyazev OV, Parfenov AI, Konoplyannikov AG, Ruchkina IN, Churikova AA, Bykova SV, Albulova EA, Boldyreva ON, Fadeeva NA, Lishchinskaya AA. [Safety of mesenchymal stromal cell therapy for inflammatory bowel diseases: results of a 5-year follow-up]. TERAPEVT ARKH 2015; 87:39-44. [PMID: 25864347 DOI: 10.17116/terarkh201587239-44] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
AIM To compare the safety of therapy in patients with ulcerative colitis (UC) and Crohn's disease (CD) who have received combination anti-inflammatory therapy using bone marrow mesenchymal stromal cells (MSC) and standard therapy with 5-aminosalicylic acid, glucocorticosteroids, and immunosuppressive agents. SUBJECTS AND METHODS Unfavorable consequences were analyzed in 103 patients (56 with UC and 47 with CD) with inflammatory bowel disease (IBD) after MSC administration. The findings were compared with data obtained in 208 patients with UC and CD on standard anti-inflammatory therapy. All the patients were similar in demographic parameters, the duration of disease, the extent of intestinal injury, the nature of a course, the type and degree of disease. The analyzed groups did not include patients who had received therapy with anti-TNF-α drugs. The safety of therapy was evaluated from the presence of complications occurring during the follow-up. RESULTS By analyzing the unfavorable consequences in 103 patients with IBD and comparing them with treatment results in 208 patients with UC and CD on standard anti-inflammatory therapy, the authors revealed no differences in the development of acute posttransfusion reactions, infectious complications, exacerbations of chronic inflammatory diseases, severe infectious complications, malignant transformation, and fatal cases in patients with UC and CD, except for those with transient fever. CONCLUSION The results of this study demonstrate that the innovative method of cell therapy is clinically safe.
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Affiliation(s)
- O V Knyazev
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - A I Parfenov
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - A G Konoplyannikov
- Medical Radiology Research Center, Ministry of Health of Russia, Obninsk, Russia
| | - I N Ruchkina
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - A A Churikova
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - S V Bykova
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - E A Albulova
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - O N Boldyreva
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - N A Fadeeva
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
| | - A A Lishchinskaya
- Moscow Clinical Research and Practical Center, Moscow Healthcare Department, Moscow, Russia
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35
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Eaton EB, Varney TR. Mesenchymal stem cell therapy for acute radiation syndrome: innovative medical approaches in military medicine. Mil Med Res 2015; 2:2. [PMID: 25722881 PMCID: PMC4340678 DOI: 10.1186/s40779-014-0027-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 11/20/2014] [Indexed: 01/03/2023] Open
Abstract
After a radiological or nuclear event, acute radiation syndrome (ARS) will present complex medical challenges that could involve the treatment of hundreds to thousands of patients. Current medical doctrine is based on limited clinical data and remains inadequate. Efforts to develop medical innovations that address ARS complications are unlikely to be generated by industry because of market uncertainties specific to this type of injury. A prospective strategy could be the integration of cellular therapy to meet the medical demands of ARS. The most clinically advanced cellular therapy to date is the administration of mesenchymal stem cells (MSCs). Results of currently published investigations describing MSC safety and efficacy in a variety of injury and disease models demonstrate the unique qualities of this reparative cell population in adapting to the specific requirements of the damaged tissue in which the cells integrate. This report puts forward a rationale for the further evaluation of MSC therapy to address the current unmet medical needs of ARS. We propose that the exploration of this novel therapy for the treatment of the multivariate complications of ARS could be of invaluable benefit to military medicine.
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Affiliation(s)
- Erik B Eaton
- United States Army Medical Research Institute of Chemical Defense, 3100 Ricketts Point Road, Aberdeen Proving Ground, Maryland, 21010 US
| | - Timothy R Varney
- United States Army Medical Research Institute of Chemical Defense, 3100 Ricketts Point Road, Aberdeen Proving Ground, Maryland, 21010 US
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Enhanced human mesenchymal stem cell survival under oxidative stress by overexpression of secreted frizzled-related protein 2 gene. Ann Hematol 2014; 94:319-27. [PMID: 25245632 DOI: 10.1007/s00277-014-2210-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 08/28/2014] [Indexed: 12/29/2022]
Abstract
Human mesenchymal stem cells (hMSCs) have been used to improve engraftment and to treat graft versus host disease following allogeneic hematopoietic stem cell transplantation. However, oxidative stress presented in the microenvironment can damage the transplanted hMSCs and therefore reduce their survival in target organs. We investigated how to enhance the survival of hMSCs under oxidative stress by overexpressing secreted frizzled-related protein 2 (sFRP2) gene in bone marrow-derived hMSCs and umbilical cord-derived hMSCs. The survival and characteristics of those sFRP2-overexpressing hMSCs (sFRP2-BM-hMSCs and sFRP2-UC-hMSCs) were studied compared with non-transduced hMSCs. We found that the percentages of viable cells in culture of sFRP2-BM-hMSCs and sFRP2-UC-hMSCs in the absence or presence of 0.75 mM H2O2 were significantly higher than those of their non-transduced counterparts. The overexpression of sFRP2 gene did not affect the characteristics of hMSCs regarding their morphology, surface marker expression, and differentiation potential. Our study suggests that overexpression of sFRP2 gene in hMSCs might improve the therapeutic effectiveness of hMSC transplantation.
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Ringdén O, Erkers T, Nava S, Uzunel M, Iwarsson E, Conrad R, Westgren M, Mattsson J, Kaipe H. Fetal membrane cells for treatment of steroid-refractory acute graft-versus-host disease. Stem Cells 2014; 31:592-601. [PMID: 23307526 DOI: 10.1002/stem.1314] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Accepted: 12/01/2012] [Indexed: 12/21/2022]
Abstract
The placenta protects the fetus from the mother's immune system. We have previously found that fetal membrane cells (FMCs) isolated from term placenta prevent alloreactivity in vitro. FMCs share many features with bone marrow-derived mesenchymal stromal cells (MSCs), which we previously introduced to treat severe acute graft-versus-host disease (GVHD). Here, we tested FMCs for treatment of steroid-refractory acute GVHD. After two passages in culture, approximately 10(9) FMCs were obtained from one single placenta, although not all cells from passage 0 and passage 1 were used for expansion. The FMCs were positive for CD29, CD44, CD73, CD90, CD105, and CD49d but were negative for hematopoietic, endothelial, and epithelial markers. Microsatellite polymorphism analysis showed that FMCs were of maternal origin. All FMCs used showed normal karyotype. Nine patients who had undergone hematopoietic stem cell transplantation (HSCT) and who had developed steroid-refractory grade III-IV acute GVHD were given 0.9-2.8 × 10(6) FMCs per kg at 15 infusions. Median age was 57 years. There was no toxicity from infusion of FMCs in eight patients. One patient had seizures after infusion. Two of eight evaluable patients had a complete response and four had a partial response, giving an overall response rate of 75%. Two patients showed no response at all. Three patients are alive from 6 to 21 months after HSCT. One patient is well and two have chronic GVHD. Thus, FMCs may be successfully used for immune modulation and tissue repair.
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Affiliation(s)
- Olle Ringdén
- Division of Therapeutic Immunology, Department of Laboratory Medicine, Karolinska University Hospital, Stockholm, Sweden.
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Xiong YY, Fan Q, Huang F, Zhang Y, Wang Y, Chen XY, Fan ZP, Zhou HS, Xiao Y, Xu XJ, Dai M, Xu N, Sun J, Xiang P, Huang XJ, Liu QF. Mesenchymal stem cells versus mesenchymal stem cells combined with cord blood for engraftment failure after autologous hematopoietic stem cell transplantation: a pilot prospective, open-label, randomized trial. Biol Blood Marrow Transplant 2013; 20:236-42. [PMID: 24216182 DOI: 10.1016/j.bbmt.2013.11.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Accepted: 11/03/2013] [Indexed: 02/08/2023]
Abstract
Engraftment failure (EF) after autologous hematopoietic stem cell transplantation is a serious complication. We prospectively evaluated the effects and safeties of mesenchymal stem cells (MSCs) alone and MSCs combined with cord blood (CB) for EF. Twenty-two patients were randomized to receive MSCs (MSC group; n = 11) or MSCs plus CB (CB group; n = 11). Patients with no response (NR) to MSCs received the therapeutic schedule in the CB group, and those patients with partial response (PR) in the MSC group and patients without complete remission (CR) in the CB group received another cycle of MSC treatment. Patients who did not achieve CR after 2 cycles of treatments received other treatments, including allogeneic HSCT. After the first treatment cycle, response was seen in 7 of 11 patients in the MSC group and in 9 of 11 in the CB group (P = .635), with a significant difference in neutrophil reconstruction between the 2 groups (P = .030). After 2 treatment cycles, 16 patients achieved CR, 3 achieved PR, and 3 had NR. No patient experienced graft-versus-host disease (GVHD). With a median follow-up of 345 d (range, 129 to 784 d) post-transplantation, 18 patients remained alive and 4 had died (3 from primary disease relapse and 1 from cytomegalovirus pneumonia). The 2-year overall survival, disease-free survival, and cumulative incidence of tumor relapse post-transplantation were 75.2% ± 12.0%, 79.5% ± 9.4%, and 20.5% ± 9.4%, respectively. Our data indicate that the 2 strategies are effective for EF and do not result in GVHD or increase the risk of tumor relapse, but the MSC plus CB regimen has a superior effect on neutrophil reconstruction.
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Affiliation(s)
- Yi-Ying Xiong
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qian Fan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fen Huang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yu Zhang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yu Wang
- Institute of Hematology, Peking University People's Hospital, Beijing, China
| | - Xiao-Yong Chen
- Center for Stem Cell Biology and Tissue Engineering, Sun Yat-Sen University, Guangzhou, China
| | - Zhi-Ping Fan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hong-Sheng Zhou
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yang Xiao
- Department of Hematology, General Hospital of Guangzhou Military Command of PLA, Guangzhou, China
| | - Xiao-Jun Xu
- Department of Hematology, Zhongshan People's Hospital, Sun Yat-Sen University, Zhongshan, China
| | - Min Dai
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Na Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jing Sun
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Peng Xiang
- Center for Stem Cell Biology and Tissue Engineering, Sun Yat-Sen University, Guangzhou, China
| | - Xiao-Jun Huang
- Institute of Hematology, Peking University People's Hospital, Beijing, China
| | - Qi-Fa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Locatelli F, Lucarelli B, Merli P. Current and future approaches to treat graft failure after allogeneic hematopoietic stem cell transplantation. Expert Opin Pharmacother 2013; 15:23-36. [DOI: 10.1517/14656566.2014.852537] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Sharma RR, Pollock K, Hubel A, McKenna D. Mesenchymal stem or stromal cells: a review of clinical applications and manufacturing practices. Transfusion 2013; 54:1418-37. [PMID: 24898458 DOI: 10.1111/trf.12421] [Citation(s) in RCA: 291] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 08/05/2013] [Accepted: 08/09/2013] [Indexed: 12/11/2022]
Abstract
Mesenchymal stem cells (MSCs) have recently generated great interest in the fields of regenerative medicine and immunotherapy due to their unique biologic properties. In this review we attempt to provide an overview of the current clinical status of MSC therapy, primarily focusing on immunomodulatory and regenerative or tissue repair applications of MSCs. In addition, current manufacturing is reviewed with attention to variation in practices (e.g., starting material, approach to culture and product testing). There is considerable variation among the 218 clinical trials assessed here; variations include proposed mechanisms of action, optimal dosing strategy, and route of administration. To ensure the greatest likelihood of success in clinical trials as the field progresses, attention must be given to the optimization of MSC culture.
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Affiliation(s)
- Ratti Ram Sharma
- Department of Transfusion Medicine, Post graduate Institute of Medical Education and Research, Chandīgarh, India
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Abstract
Cell therapy with Multipotent Mesenchymal Stromal Cells (MSC) holds enormous promise for the treatment of a large number of degenerative and immune/inflammatory diseases. Their multilineage differentiation potential, immunoprivilege and capacity of promoting recovery of damaged tissues coupled with anti-inflammatory and immunosuppressive properties are the focus of a multitude of clinical studies currently underway. The recognized clinical potential of MSC repairing/immunomodulatory effects now encompasses graft-versus-host disease, hematologic malignancies, cardiovascular diseases, neurologic and inherited diseases, autoimmune diseases, organ transplantation, refractory wounds, and bone/cartilage defects among others. However, it has been suggested that both the need of extensive ex vivo culture for MSC clinical use, and their proangiogenic, anti-apoptotic and immunomodulatory properties may act together as tumor promoters, raising significant safety concerns. This paper will review the available data on in vitro MSC maldifferentiation and the ability of MSC to sustain tumor growth in vivo, with the aim to clarify whether MSC-based therapeutic approaches may carry actual risk of malignancies.
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Carrancio S, Romo C, Ramos T, Lopez-Holgado N, Muntion S, Prins HJ, Martens AC, Briñón JG, San Miguel JF, Del Cañizo MC, Sanchez-Guijo F. Effects of MSC Coadministration and Route of Delivery on Cord Blood Hematopoietic Stem Cell Engraftment. Cell Transplant 2013; 22:1171-83. [DOI: 10.3727/096368912x657431] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) using umbilical cord blood (UCB) progenitors is increasingly being used. One of the problems that may arise after UCB transplantation is an impaired engraftment. Either intrabone (IB) injection of hematopoietic progenitors or mesenchymal stem cell (MSC) coadministration has been proposed among the strategies to improve engraftment. In the current study, we have assessed the effects of both approaches. Thus, NOD/SCID recipients were transplanted with human UCB CD34+ cells administered either intravenously (IV) or IB, receiving or not bone marrow (BM)-derived MSCs also IV or IB (in the right femur). Human HSC engraftment was measured 3 and 6 weeks after transplantation. Injected MSCs were tracked weekly by bioluminescence. Also, lodgment within the BM niche was assessed at the latter time point by immunofluorescence. Our study shows regarding HSC engraftment that the number of BM human CD45+ cells detected 3 weeks after transplantation was significantly higher in mice cotransplanted with human MSCs. Moreover, these mice had a higher myeloid (CD13+) engraftment and a faster B-cell (CD19+) chimerism. At the late time point evaluated (6 weeks), human engraftment was higher in the group in which both strategies were employed (IB injection of HSC and MSC coadministration). When assessing human MSC administration route, we were able to track MSCs only in the injected femurs, whereas they lost their signal in the contralateral bones. These human MSCs were mainly located around blood vessels in the subendosteal region. In summary, our study shows that MSC coadministration can enhance HSC engraftment in our xenogenic transplantation model, as well as IB administration of the CD34+ cells does. The combination of both strategies seems to be synergistic. Interestingly, MSCs were detected only where they were IB injected contributing to the vascular niche.
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Affiliation(s)
- S. Carrancio
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
- Centro de Investigación del Cáncer-IBMCC (Universidad de Salamanca-CSIC), Salamanca, Spain
| | - C. Romo
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
- Centro de Investigación del Cáncer-IBMCC (Universidad de Salamanca-CSIC), Salamanca, Spain
| | - T. Ramos
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
| | - N. Lopez-Holgado
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
| | - S. Muntion
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
| | - H. J. Prins
- Department of Immunology and Department of Cell Biology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - A. C. Martens
- Department of Immunology and Department of Cell Biology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - J. G. Briñón
- Departamento de Biologia Celular y Patologia, Universidad de Salamanca, Salamanca, Spain
| | - J. F. San Miguel
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
- Centro de Investigación del Cáncer-IBMCC (Universidad de Salamanca-CSIC), Salamanca, Spain
| | - M. C. Del Cañizo
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
- Centro de Investigación del Cáncer-IBMCC (Universidad de Salamanca-CSIC), Salamanca, Spain
| | - F. Sanchez-Guijo
- Servicio de Hematología, IBSAL-Hospital Universitario de Salamanca, Salamanca, Spain
- Centro en Red de Medicina Regenerativa y Terapia Celular de Castilla y León and Red Nacional de Terapia Celular (Tercel, ISCIII), Salamanca, Spain
- Centro de Investigación del Cáncer-IBMCC (Universidad de Salamanca-CSIC), Salamanca, Spain
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Immunological characteristics of human mesenchymal stem cells and multipotent adult progenitor cells. Immunol Cell Biol 2013; 91:32-9. [PMID: 23295415 PMCID: PMC3540326 DOI: 10.1038/icb.2012.64] [Citation(s) in RCA: 158] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Somatic, also termed adult, stem cells are highly attractive biomedical cell candidates because of their extensive replication potential and functional multilineage differentiation capacity. They can be used for drug and toxicity screenings in preclinical studies, as in vitro model to study differentiation or for regenerative medicine to aid in the repair of tissues or replace tissues that are lost upon disease, injury or ageing. Multipotent adult progenitor cells (MAPCs) and mesenchymal stem cells (MSCs) are two types of adult stem cells derived from bone marrow that are currently being used clinically for tissue regeneration and for their immunomodulatory and trophic effects. This review will give an overview of the phenotypic and functional differences between human MAPCs and MSCs, with a strong emphasis on their immunological characteristics. Finally, we will discuss the clinical studies in which MSCs and MAPCs are already used.
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Papewalis C, Topolar D, Götz B, Schönberger S, Dilloo D. Mesenchymal stem cells as cellular immunotherapeutics in allogeneic hematopoietic stem cell transplantation. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2013; 130:131-62. [PMID: 23455489 DOI: 10.1007/10_2012_158] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a curative treatment option in hematopoietic disorders, immunodeficiencies and leukemia. To date graft-versus-host disease (GvHD) represents a life-threatening complication even if associated with beneficial antileukemic reactivity. GvHD is the clinical manifestation of donor cells reacting against host tissue. Because of their ability to facilitate endogenous repair and to attenuate inflammation, MSC have evolved as a highly attractive cellular therapeutic in allo-HSCT. Here we report on the clinical experience in the use of MSC to enhance engraftment and prevent and treat acute and chronic GvHD. In early clinical trials, MSC have shown considerable benefit in the setting of manifest GvHD. These encouraging results warrant further exploration.
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Affiliation(s)
- Claudia Papewalis
- Department of Pediatric Hematology and Oncology, Center for Pediatrics, University Hospital, Friedrich-Wilhelm University, Bonn, Germany
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Abstract
Graft failure may contribute to increased morbidity and mortality after allogeneic hematopoietic SCT (allo-HSCT). Here, we present risk factors for graft failure in all first allo-HSCTs performed at our center from 1995 to mid-2010 (n=967). Graft failure was defined as >95% recipient cells any time after engraftment with no signs of relapse, or re-transplantation because of primary or secondary neutropenia (<0.5 × 10(9)/L) and/or thrombocytopenia (<30 × 10(9)/L). Fifty-four patients (5.6%) experienced graft failure. The majority were because of autologous reconstitution (n=43), and only a few patients underwent re-transplantation because of primary (n=6) or secondary (n=5) graft failures. In non-malignant disorders, graft failure had no effect on survival, whereas in malignant disease graft failure was associated with reduced 5-year survival (22 vs 53%, P<0.01). In multivariate analysis, ex vivo T-cell depletion (relative risk (RR) 8.82, P<0.001), HLA-mismatched grafts (RR 7.64, P<0.001), non-malignant disorders (RR 3.32, P<0.01) and reduced-intensity conditioning (RR 2.58, P<0.01) increased the risk for graft failure, whereas graft failures were prevented by total nucleated cell doses of ≥ 2.5 × 10(8)/kg (RR 0.36, P<0.01). In conclusion, graft failure was only associated with inferior survival in malignant disease. Non-malignant disorders, HLA match, conditioning intensity, immunosuppression regimen and cell dose all influenced graft failure risk.
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Paraguassú-Braga FH, Alves APG, Andrade Santos IMA, Bonamino M, Bonomo A. An Ectopic Stromal Implant Model for Hematopoietic Reconstitution and in Vivo Evaluation of Bone Marrow Niches. Cell Transplant 2012; 21:2677-88. [DOI: 10.3727/096368912x636993] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
In adults, hematopoiesis takes places in the bone marrow, where specialized niches containing mesenchymal nonhematopoietic cells (stroma) harbor the hematopoietic stem cell (HSC). These niches are responsible and essential for the maintenance of HSCs. Attempts to expand HSCs fail to keep the general properties of stem cells, which depend on several niche components difficult to reproduce in in vitro culture systems. Here, we describe a methodology for in vivo study of hematopoietic stroma. We use stroma-loaded macroporous microcarriers implanted in the subcutaneous tissue of experimental animals and show that the ectopic stroma implant (ESI) is able to support hematopoiesis. Moreover, lethally irradiated mice can be rescued by ESI preloaded with HSCs, showing that they function as an ectopic bone marrow. ESI is also shown as a good system to study the role of different niche components. As an example, we used stromas lacking connexin 43 (Cx43) and confirm the importance of this molecule in the maintenance of the HSC niche in vivo. We believe ESI can work as an ectopic bone marrow allowing in vivo testing of different niches components and opening new avenues for the treatment of a variety of hematologic conditions particularly when stromal cell defects are the main cause of disease.
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Affiliation(s)
- Flávio Henrique Paraguassú-Braga
- Banco de Sangue de Cordão Umbilical e Placentário, Centro de Transplante de Medula Óssea, Instituto Nacional de Câncer, Rio de Janeiro, Brazil
| | - Ana Paula G. Alves
- Programa de Medicina Experimental, Coordenação Geral Técnico-Científica, Instituto Nacional de Câncer, Rio de Janeiro, Brazil
| | | | - Martin Bonamino
- Programa de Medicina Experimental, Coordenação Geral Técnico-Científica, Instituto Nacional de Câncer, Rio de Janeiro, Brazil
| | - Adriana Bonomo
- Programa de Medicina Experimental, Coordenação Geral Técnico-Científica, Instituto Nacional de Câncer, Rio de Janeiro, Brazil
- Departamento de Imunologia, Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Mizer JC, Ichim TE, Alexandrescu DT, Dasanu CA, Ramos F, Turner A, Woods EJ, Bogin V, Murphy MP, Koos D, Patel AN. Exogenous endothelial cells as accelerators of hematopoietic reconstitution. J Transl Med 2012; 10:231. [PMID: 23171397 PMCID: PMC3543295 DOI: 10.1186/1479-5876-10-231] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Accepted: 10/04/2012] [Indexed: 01/25/2023] Open
Abstract
Despite the successes of recombinant hematopoietic-stimulatory factors at accelerating bone marrow reconstitution and shortening the neutropenic period post-transplantation, significant challenges remain such as cost, inability to reconstitute thrombocytic lineages, and lack of efficacy in conditions such as aplastic anemia. A possible means of accelerating hematopoietic reconstitution would be administration of cells capable of secreting hematopoietic growth factors. Advantages of this approach would include: a) ability to regulate secretion of cytokines based on biological need; b) long term, localized production of growth factors, alleviating need for systemic administration of factors that possess unintended adverse effects; and c) potential to actively repair the hematopoietic stem cell niche. Here we overview the field of hematopoietic growth factors, discuss previous experiences with mesenchymal stem cells (MSC) in accelerating hematopoiesis, and conclude by putting forth the rationale of utilizing exogenous endothelial cells as a novel cellular therapy for acceleration of hematopoietic recovery.
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Lalu MM, McIntyre L, Pugliese C, Fergusson D, Winston BW, Marshall JC, Granton J, Stewart DJ. Safety of cell therapy with mesenchymal stromal cells (SafeCell): a systematic review and meta-analysis of clinical trials. PLoS One 2012; 7:e47559. [PMID: 23133515 PMCID: PMC3485008 DOI: 10.1371/journal.pone.0047559] [Citation(s) in RCA: 796] [Impact Index Per Article: 66.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2012] [Accepted: 09/18/2012] [Indexed: 02/06/2023] Open
Abstract
Background Mesenchymal stromal cells (MSCs, “adult stem cells”) have been widely used experimentally in a variety of clinical contexts. There is interest in using these cells in critical illness, however, the safety profile of these cells is not well known. We thus conducted a systematic review of clinical trials that examined the use MSCs to evaluate their safety. Methods and Findings MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials (to June 2011), were searched. Prospective clinical trials that used intravascular delivery of MSCs (intravenously or intra-arterially) in adult populations or mixed adult and pediatric populations were identified. Studies using differentiated MSCs or additional cell types were excluded. The primary outcome adverse events were grouped according to immediate events (acute infusional toxicity, fever), organ system complications, infection, and longer term adverse events (death, malignancy). 2347 citations were reviewed and 36 studies met inclusion criteria. A total of 1012 participants with clinical conditions of ischemic stroke, Crohn's disease, cardiomyopathy, myocardial infarction, graft versus host disease, and healthy volunteers were included. Eight studies were randomized control trials (RCTs) and enrolled 321 participants. Meta-analysis of the RCTs did not detect an association between acute infusional toxicity, organ system complications, infection, death or malignancy. There was a significant association between MSCs and transient fever. Conclusions Based on the current clinical trials, MSC therapy appears safe. However, further larger scale controlled clinical trials with rigorous reporting of adverse events are required to further define the safety profile of MSCs.
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Affiliation(s)
- Manoj M. Lalu
- Department of Anesthesiology, University of Ottawa, Ottawa, Canada
- The Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Canada
| | - Lauralyn McIntyre
- Department of Medicine (Division of Critical Care), University of Ottawa, Ottawa, Canada
- The Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Canada
- * E-mail:
| | - Christina Pugliese
- The Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Canada
| | - Dean Fergusson
- The Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Canada
| | - Brent W. Winston
- Department of Critical Care Medicine, University of Calgary, Calgary, Canada
| | - John C. Marshall
- Department of Surgery (Critical Care), University of Toronto, Toronto, Canada
| | - John Granton
- Department of Medicine (Critical Care), University of Toronto, Toronto, Canada
| | - Duncan J. Stewart
- Regenerative Medicine Program, The Ottawa Hospital Research Institute, Ottawa, Canada
- Department of Cell and Molecular Medicine, University of Ottawa, Ottawa, Canada
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Cruet-Hennequart S, Prendergast ÁM, Shaw G, Barry FP, Carty MP. Doxorubicin induces the DNA damage response in cultured human mesenchymal stem cells. Int J Hematol 2012; 96:649-56. [PMID: 23076878 DOI: 10.1007/s12185-012-1196-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2012] [Revised: 09/22/2012] [Accepted: 09/24/2012] [Indexed: 12/19/2022]
Abstract
Anthracyclines, including doxorubicin, are widely used in the treatment of leukemia. While the effects of doxorubicin on hematopoietic cells have been characterized, less is known about the response of human mesenchymal stem cells (hMSCs) in the bone marrow stroma to anthracyclines. We characterized the effect of doxorubicin on key DNA damage responses in hMSCs, and compared doxorubicin sensitivity and DNA damage response activation between isolated hMSCs and the chronic myelogenous leukemia cell line, K562. Phosphorylation of H2AX, Chk1, and RPA2 was more strongly activated in K562 cells than in hMSCs, at equivalent doses of doxorubicin. hMSCs were relatively resistant to doxorubicin such that, following exposure to 15 μM doxorubicin, the level of cleaved caspase-3 detected by western blotting was lower in hMSCs compared to K562 cells. Flow cytometric analysis of cell cycle progression demonstrated that exposure to doxorubicin induced G2/M phase arrest in hMSCs, while 48 h after exposure, 15.6 % of cells were apoptotic, as determined from the percentage of cells having sub-G1 DNA content. We also show that the doxorubicin sensitivity of hMSCs isolated from a healthy donor was comparable to that of hMSCs isolated from a chronic lymphocytic leukemia patient. Overall, our results demonstrate that high doses of doxorubicin induce the DNA damage response in hMSCs, and that cultured hMSCs are relatively resistant to doxorubicin.
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Affiliation(s)
- Séverine Cruet-Hennequart
- DNA Damage Response Laboratory, Centre for Chromosome Biology and School of Natural Sciences, National University of Ireland Galway, Galway, Ireland.
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Nishiwaki S, Nakayama T, Saito S, Mizuno H, Ozaki T, Takahashi Y, Maruyama S, Nishida T, Murata M, Kojima S, Naoe T. Efficacy and safety of human adipose tissue-derived mesenchymal stem cells for supporting hematopoiesis. Int J Hematol 2012; 96:295-300. [PMID: 22782260 DOI: 10.1007/s12185-012-1140-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 06/25/2012] [Accepted: 06/27/2012] [Indexed: 12/23/2022]
Abstract
We have demonstrated that adipose tissue-derived mesenchymal stem cells (ADSCs) from mice are capable of reconstituting the hematopoietic microenvironment, and facilitate hematopoiesis more effectively than bone marrow-derived mesenchymal stem cells (BMSCs) in mouse. The ready accessibility of fat tissue rich in MSCs and the higher hematopoiesis-supporting capacities of ADSCs suggest that ADSCs might represent a new therapeutic modality for the regeneration of impaired hematopoiesis. As a further step towards their use in clinical practice, we established human BMSCs and ADSCs from healthy volunteers of similar age, and compared their proliferation capacities, hematopoiesis-supporting properties, and safety. In vitro cell proliferation studies revealed that ADSCs have a higher population doubling number than BMSCs. In vitro co-culture assays showed that ADSCs not only support human CD34(+) peripheral blood stem cells (PBSCs), but also yield significantly more non-adherent hematic cells than BMSCs. In vitro progenitor assays revealed that ADSCs promote a higher frequency of early progenitors than do BMSCs. Interestingly, BM cellularity in irradiated mice that had received ADSCs tended to be higher than that of mice treated with BMSCs. When MSCs were injected into the BM cavity of tibiae, we observed no evidence of MSC-induced toxicity either during or after treatment. In addition, no microscopic abnormalities were observed in the bone marrow and major organs.
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Affiliation(s)
- Satoshi Nishiwaki
- Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi 466-8550, Japan
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