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Bastani S, Staal FJT, Canté-Barrett K. The quest for the holy grail: overcoming challenges in expanding human hematopoietic stem cells for clinical use. Stem Cell Investig 2023; 10:15. [PMID: 37457748 PMCID: PMC10345135 DOI: 10.21037/sci-2023-016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/19/2023] [Indexed: 07/18/2023]
Abstract
Hematopoietic stem cell (HSC) transplantation has been the golden standard for many hematological disorders. However, the number of HSCs obtained from several sources, including umbilical cord blood (UCB), often is insufficient for transplantation. For decades, maintaining or even expanding HSCs for therapeutic purposes has been a "holy grail" in stem cell biology. Different methods have been proposed to improve the efficiency of cell expansion and enhance homing potential such as co-culture with stromal cells or treatment with specific agents. Recent progress has shown that this is starting to become feasible using serum-free and well-defined media. Some of these protocols to expand HSCs along with genetic modification have been successfully applied in clinical trials and some others are studied in preclinical and clinical studies. However, the main challenges regarding ex vivo expansion of HSCs such as limited growth potential and tendency to differentiate in culture still need improvements. Understanding the biology of blood stem cells, their niche and signaling pathways has provided possibilities to regulate cell fate decisions and manipulate cells to optimize expansion of HSCs in vitro. Here, we review the plethora of HSC expansion protocols that have been proposed and indicate the current state of the art for their clinical application.
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Affiliation(s)
- Sepideh Bastani
- Department of Immunology, Leiden University Medical Center, Leiden, The Netherlands
| | - Frank J. T. Staal
- Department of Immunology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Pediatrics, Leiden University Medical Center, Leiden, The Netherlands
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands
| | - Kirsten Canté-Barrett
- Department of Immunology, Leiden University Medical Center, Leiden, The Netherlands
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, Leiden, The Netherlands
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2
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Gantenbein B, Tang S, Guerrero J, Higuita-Castro N, Salazar-Puerta AI, Croft AS, Gazdhar A, Purmessur D. Non-viral Gene Delivery Methods for Bone and Joints. Front Bioeng Biotechnol 2020; 8:598466. [PMID: 33330428 PMCID: PMC7711090 DOI: 10.3389/fbioe.2020.598466] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 10/26/2020] [Indexed: 12/12/2022] Open
Abstract
Viral carrier transport efficiency of gene delivery is high, depending on the type of vector. However, viral delivery poses significant safety concerns such as inefficient/unpredictable reprogramming outcomes, genomic integration, as well as unwarranted immune responses and toxicity. Thus, non-viral gene delivery methods are more feasible for translation as these allow safer delivery of genes and can modulate gene expression transiently both in vivo, ex vivo, and in vitro. Based on current studies, the efficiency of these technologies appears to be more limited, but they are appealing for clinical translation. This review presents a summary of recent advancements in orthopedics, where primarily bone and joints from the musculoskeletal apparatus were targeted. In connective tissues, which are known to have a poor healing capacity, and have a relatively low cell-density, i.e., articular cartilage, bone, and the intervertebral disk (IVD) several approaches have recently been undertaken. We provide a brief overview of the existing technologies, using nano-spheres/engineered vesicles, lipofection, and in vivo electroporation. Here, delivery for microRNA (miRNA), and silencing RNA (siRNA) and DNA plasmids will be discussed. Recent studies will be summarized that aimed to improve regeneration of these tissues, involving the delivery of bone morphogenic proteins (BMPs), such as BMP2 for improvement of bone healing. For articular cartilage/osteochondral junction, non-viral methods concentrate on targeted delivery to chondrocytes or MSCs for tissue engineering-based approaches. For the IVD, growth factors such as GDF5 or GDF6 or developmental transcription factors such as Brachyury or FOXF1 seem to be of high clinical interest. However, the most efficient method of gene transfer is still elusive, as several preclinical studies have reported many different non-viral methods and clinical translation of these techniques still needs to be validated. Here we discuss the non-viral methods applied for bone and joint and propose methods that can be promising in clinical use.
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Affiliation(s)
- Benjamin Gantenbein
- Tissue Engineering for Orthopaedics and Mechanobiology, Department for BioMedical Research (DBMR), Faculty of Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Shirley Tang
- Department of Biomedical Engineering and Department of Orthopaedics, Spine Research Institute Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, United States
| | - Julien Guerrero
- Tissue Engineering for Orthopaedics and Mechanobiology, Department for BioMedical Research (DBMR), Faculty of Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Natalia Higuita-Castro
- Department of Biomedical Engineering and Department of Surgery, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, United States
| | - Ana I Salazar-Puerta
- Department of Biomedical Engineering and Department of Surgery, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, United States
| | - Andreas S Croft
- Tissue Engineering for Orthopaedics and Mechanobiology, Department for BioMedical Research (DBMR), Faculty of Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Amiq Gazdhar
- Department of Pulmonary Medicine, Inselspital, University Hospital, University of Bern, Bern, Switzerland
| | - Devina Purmessur
- Department of Biomedical Engineering and Department of Orthopaedics, Spine Research Institute Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, United States
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Powell AB, Williams K, Cruz CRY. Gene-modified, cell-based therapies—an overview. Cytotherapy 2016; 18:1351-1359. [DOI: 10.1016/j.jcyt.2016.09.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Shen B, Zhang Y, Dai W, Ma Y, Jiang Y. Ex-vivo expansion of nonhuman primate CD34 + cells by stem cell factor Sall4B. Stem Cell Res Ther 2016; 7:152. [PMID: 27765075 PMCID: PMC5072326 DOI: 10.1186/s13287-016-0413-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 09/13/2016] [Accepted: 09/16/2016] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Hematopoietic CD34+ stem cells are widely used in the clinical therapy of complicated blood diseases. Stem cell factor Sall4B is a zinc finger transcription factor that plays a vital role in hematopoietic stem cell expansion. The purpose of our current study is to further evaluate how Sall4B might affect the expansion of CD34+ cells derived from nonhuman primates. METHODS Sall4B was overexpressed in nonhuman primate bone marrow-derived CD34+ cells via a lentiviral transduction system. The granulocyte-erythrocyte-macrophage-megakaryocyte colony-forming unit (CFU) assay evaluated the differentiation potential of primate CD34+ cells that were expanded with Sall4B. Furthermore, an in-vivo murine system was employed to evaluate the hematopoietic potential of primate Sall4B-expanded CD34+ cells. RESULTS Overexpression of Sall4B promoted ex-vivo nonhuman primate CD34+ cell expansion by 9.21 ± 1.94-fold on day 9, whereas lentiviral transduction without Sall4B expanded cells by only 2.95 ± 0.77-fold. Sall4B maintained a significant percentage of CD34+ cells as well. The CFU assay showed that the Sall4B-expanded CD34+ cells still possessed multilineage differentiation potential. A study using nonobese diabetic/severe combined immunodeficiency (NOD/SCID) mice in vivo revealed that Sall4B led to an increase in the number of repopulating cells and the 9-day-old Sall4B-transduced CD34+ cells still possess self-renewal and multilineage differentiation capacity in vivo, which are similar stemness characteristics to those in freshly isolated primate bone marrow-derived CD34+ cells. CONCLUSIONS We investigated the expansion of nonhuman primate bone marrow-derived CD34+ cells using the Sall4B lentiviral overexpression approach; our findings provide a new perspective on mechanisms of rapid stem cell proliferation. The utilization of Sall4B to expand CD34+ cells on a large scale through use of suitable model systems would prove helpful towards preclinical trials of autologous transplantation.
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Affiliation(s)
- Bin Shen
- Biopharmaceutical R&D Center, Chinese Academy of Medical Sciences & Peking Union Medical College, 277 Qingqiu Street, Suzhou, 215126 China
| | - Yu Zhang
- Biopharmaceutical R&D Center, Chinese Academy of Medical Sciences & Peking Union Medical College, 277 Qingqiu Street, Suzhou, 215126 China
| | - Wei Dai
- Biopharmaceutical R&D Center, Chinese Academy of Medical Sciences & Peking Union Medical College, 277 Qingqiu Street, Suzhou, 215126 China
- Environmental Medicine, NYU Langone Medical Center, Tuxedo, NY 10987 USA
| | - Yupo Ma
- Biopharmaceutical R&D Center, Chinese Academy of Medical Sciences & Peking Union Medical College, 277 Qingqiu Street, Suzhou, 215126 China
- Department of Pathology, BST-9C, The State University of New York at Stony Brook, Stony Brook, NY 11794 USA
| | - Yongping Jiang
- Biopharmaceutical R&D Center, Chinese Academy of Medical Sciences & Peking Union Medical College, 277 Qingqiu Street, Suzhou, 215126 China
- Biopharmagen Corp, Suzhou, 215126 China
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Abstract
Vasculogenesis and angiogenesis are the major forms of blood vessel formation. Angiogenesis is the process where new vessels grow from pre-existing blood vessels, and is very important in the functional recovery of pathological conditions, such as wound healing and ischemic heart diseases. The development of better animal model and imaging technologies in past decades has greatly enriched our understanding on vasculogenesis and angiogenesis processes. Hypoxia turned out to be an important driving force for angiogenesis in various ischemic conditions. It stimulates expression of many growth factors like vascular endothelial growth factor, platelet-derived growth factor, insulin-like growth factor, and fibroblast growth factor, which play critical role in induction of angiogenesis. Other cellular components like monocytes, T cells, neutrophils, and platelets also play significant role in induction and regulation of angiogenesis. Various stem/progenitor cells also being recruited to the ischemic sites play crucial role in the angiogenesis process. Pre-clinical studies showed that stem/progenitor cells with/without combination of growth factors induce neovascularization in the ischemic tissues in various animal models. In this review, we will discuss about the fundamental factors that regulate the angiogenesis process and the use of stem cells as therapeutic regime for the treatment of ischemic diseases.
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Affiliation(s)
- Jingwei Lu
- Cardiovascular Stem Cell Research Laboratory, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Medical Center, 460W, 12th Avenue, BRT 382, Columbus, OH, 43210, USA
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van Wilgenburg B, Browne C, Vowles J, Cowley SA. Efficient, long term production of monocyte-derived macrophages from human pluripotent stem cells under partly-defined and fully-defined conditions. PLoS One 2013; 8:e71098. [PMID: 23951090 PMCID: PMC3741356 DOI: 10.1371/journal.pone.0071098] [Citation(s) in RCA: 171] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 06/25/2013] [Indexed: 12/31/2022] Open
Abstract
Human macrophages are specialised hosts for HIV-1, dengue virus, Leishmania and Mycobacterium tuberculosis. Yet macrophage research is hampered by lack of appropriate cell models for modelling infection by these human pathogens, because available myeloid cell lines are, by definition, not terminally differentiated like tissue macrophages. We describe here a method for deriving monocytes and macrophages from human Pluripotent Stem Cells which improves on previously published protocols in that it uses entirely defined, feeder- and serum-free culture conditions and produces very consistent, pure, high yields across both human Embryonic Stem Cell (hESC) and multiple human induced Pluripotent Stem Cell (hiPSC) lines over time periods of up to one year. Cumulatively, up to ∼3×107 monocytes can be harvested per 6-well plate. The monocytes produced are most closely similar to the major blood monocyte (CD14+, CD16low, CD163+). Differentiation with M-CSF produces macrophages that are highly phagocytic, HIV-1-infectable, and upon activation produce a pro-inflammatory cytokine profile similar to blood monocyte-derived macrophages. Macrophages are notoriously hard to genetically manipulate, as they recognise foreign nucleic acids; the lentivector system described here overcomes this, as pluripotent stem cells can be relatively simply genetically manipulated for efficient transgene expression in the differentiated cells, surmounting issues of transgene silencing. Overall, the method we describe here is an efficient, effective, scalable system for the reproducible production and genetic modification of human macrophages, facilitating the interrogation of human macrophage biology.
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Affiliation(s)
| | - Cathy Browne
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Jane Vowles
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Sally A. Cowley
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
- * E-mail:
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7
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Wegman F, Oner FC, Dhert WJA, Alblas J. Non-viral gene therapy for bone tissue engineering. Biotechnol Genet Eng Rev 2013; 29:206-20. [PMID: 24568281 DOI: 10.1080/02648725.2013.801227] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The possibilities of using gene therapy for bone regeneration have been extensively investigated. Improvements in the design of new transfection agents, combining vectors and delivery/release systems to diminish cytotoxicity and increase transfection efficiencies have led to several successful in vitro, ex vivo and in vivo strategies. These include growth factor or short interfering ribonucleic acid (siRNA) delivery, or even enzyme replacement therapies, and have led to increased osteogenic differentiation and bone formation in vivo. These results provide optimism to consider use in humans with some of these gene-delivery strategies in the near future.
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Affiliation(s)
- Fiona Wegman
- a Department of Orthopaedics , UMC Utrecht , Utrecht , The Netherlands
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8
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Hu K, Slukvin I. Generation of transgene-free iPSC lines from human normal and neoplastic blood cells using episomal vectors. Methods Mol Biol 2013; 997:163-76. [PMID: 23546755 DOI: 10.1007/978-1-62703-348-0_13] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Human induced pluripotent stem cells (iPSCs) have become an important tool for modeling human diseases and are considered a potential source of therapeutic cells. Original methods for iPSC generation use fibroblasts as a cell source for reprogramming and retroviral vectors as a delivery method of the reprogramming factors. However, fibroblasts require extended time for expansion and viral delivery of transgenes results in the integration of vector sequences into the genome which is a source of potential insertion mutagenesis, residual expressions, and reactivation of transgenes during differentiation. Here, we provide a detailed protocol for the efficient generation of transgene-free iPSC lines from human bone marrow and cord blood cells with a single transfection of non-integrating episomal plasmids. This method uses mononuclear bone marrow and cord blood cells, and makes it possible to generate transgene-free iPSCs 1-3 weeks faster than previous methods of reprogramming with fibroblasts. Additionally, we show that this approach can be used for efficient reprogramming of chronic myeloid leukemia cells.
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Affiliation(s)
- Kejin Hu
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, USA
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Schuster JA, Stupnikov MR, Ma G, Liao W, Lai R, Ma Y, Aguila JR. Expansion of hematopoietic stem cells for transplantation: current perspectives. Exp Hematol Oncol 2012; 1:12. [PMID: 23210618 PMCID: PMC3514093 DOI: 10.1186/2162-3619-1-12] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Accepted: 05/14/2012] [Indexed: 12/14/2022] Open
Abstract
Hematopoietic stem cells (HSCs) are rare cells that have the unique ability to self-renew and differentiate into cells of all hematopoietic lineages. The expansion of HSCs has remained an important goal to develop advanced cell therapies for bone marrow transplantation and many blood disorders. Over the last several decades, there have been numerous attempts to expand HSCs in vitro using purified growth factors that are known to regulate HSCs. However, these attempts have been met with limited success for clinical applications. New developments in the HSC expansion field coupled with gene therapy and stem cell transplant should encourage progression in attractive treatment options for many disorders including hematologic conditions, immunodeficiencies, and genetic disorders.
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Affiliation(s)
- Jessica A Schuster
- Department of Pathology, The State University of New York at Stony Brook, Stony Brook, NY, 11794, USA.
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Wei L, Fraser JL, Lu ZY, Hu X, Yu SP. Transplantation of hypoxia preconditioned bone marrow mesenchymal stem cells enhances angiogenesis and neurogenesis after cerebral ischemia in rats. Neurobiol Dis 2012; 46:635-45. [PMID: 22426403 DOI: 10.1016/j.nbd.2012.03.002] [Citation(s) in RCA: 261] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 02/16/2012] [Accepted: 03/01/2012] [Indexed: 12/16/2022] Open
Abstract
Hypoxic preconditioning of stem cells and neural progenitor cells has been tested for promoting cell survival after transplantation. The present investigation examined the hypothesis that hypoxic preconditioning of bone marrow mesenchymal stem cells (BMSCs) could not only enhance their survival but also reinforce regenerative properties of these cells. BMSCs from eGFP engineered rats or pre-labeled with BrdU were pre-treated with normoxia (20% O(2), N-BMSCs) or sub-lethal hypoxia (0.5% O(2). H-BMSCs). The hypoxia exposure up-regulated HIF-1α and trophic/growth factors in BMSCs, including brain-derived neurotrophic factor (BDNF), glial cell-derived neurotrophic factor (GDNF), vascular endothelial growth factor (VEGF) and its receptor FIK-1, erythropoietin (EPO) and its receptor EPOR, stromal derived factor-1 (SDF-1) and its CXC chemokine receptor 4 (CXCR4). Meanwhile, many pro-inflammatory cytokines/chemokines were down-regulated in H-BMSCs. N-BMSCs or H-BMSCs were intravenously injected into adult rats 24h after 90-min middle cerebral artery occlusion. Comparing to N-BMSCs, transplantation of H-BMSCs showed greater effect of suppressing microglia activity in the brain. Significantly more NeuN-positive and Glut1-positive cells were seen in the ischemic core and peri-infarct regions of the animals received H-BMSC transplantation than that received N-BMSCs. Some NeuN-positive and Glut-1-positive cells showed eGFP or BrdU immunoflourescent reactivity, suggesting differentiation from exogenous BMSCs into neuronal and vascular endothelial cells. In Rotarod test performed 15days after stroke, animals received H-BMSCs showed better locomotion recovery compared with stroke control and N-BMSC groups. We suggest that hypoxic preconditioning of transplanted cells is an effective means of promoting their regenerative capability and therapeutic potential for the treatment of ischemic stroke.
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Affiliation(s)
- Ling Wei
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA, USA
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Adler DS, Lazarus H, Nair R, Goldberg JL, Greco NJ, Lassar T, Laughlin MJ, Das H, Pompili VJ. Safety and efficacy of bone marrow-derived autologous CD133+ stem cell therapy. Front Biosci (Elite Ed) 2011; 3:506-514. [PMID: 21196330 PMCID: PMC3285247 DOI: 10.2741/e265] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The Phase I clinical study was designed to assess the safety and feasibility of a dose escalating intracoronary infusion of autologous bone marrow (BM)-derived CD133+ stem cell therapy to the patients with chronic total occlusion (CTO) and ischemia. Nine patients were received CD133+ cells into epicardial vessels supplying collateral flow to areas of viable ischemic myocardium in the distribution of the CTO. There were no major adverse cardiac events (MACE), revascularization, re-admission to the hospital secondary to angina, or acute myocardial infarction (AMI) for the 24-month period following cellular infusion. In addition, there were no periprocedural infusion-related complications including malignant arrhythmias, loss of normal coronary blood flow or acute neurologic events. Cardiac enzymes were negative in all patients. There was an improvement in the degree of ischemic myocardium, which was accompanied by a trend towards reduction in anginal symptoms. Intracoronary infusion of autologous CD133+ marrow-derived cells is safe and feasible. Cellular therapy with CD133+ cells to reduce anginal symptoms and to improve ischemia in patients with CTO awaits clinical investigation in Phase II/III trials.
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Affiliation(s)
- Dale S. Adler
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA
| | - Hillard Lazarus
- Department of Medicine, University Hospitals Case Medical Center, Cleveland, OH
| | - Ravi Nair
- Department of Medicine, Cleveland Clinic Foundation, Cleveland, OH
| | | | - Nicholas J. Greco
- Department of Medicine, University Hospitals Case Medical Center, Cleveland, OH
- The Cleveland Cord Blood Center, Cleveland OH
| | - Tom Lassar
- Department of Medicine, University Hospitals Case Medical Center, Cleveland, OH
| | - Mary J. Laughlin
- Department of Medicine, University Hospitals Case Medical Center, Cleveland, OH
- The Cleveland Cord Blood Center, Cleveland OH
- University of Virginia, Charlottesville, VA
| | - Hiranmoy Das
- Department of Medicine, The Ohio State University Medical Center Hospital, Columbus, OH
| | - Vincent J. Pompili
- Department of Medicine, The Ohio State University Medical Center Hospital, Columbus, OH
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