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de Laorden EH, Simón D, Milla S, Portela-Lomba M, Mellén M, Sierra J, de la Villa P, Moreno-Flores MT, Iglesias M. Human placenta-derived mesenchymal stem cells stimulate neuronal regeneration by promoting axon growth and restoring neuronal activity. Front Cell Dev Biol 2023; 11:1328261. [PMID: 38188022 PMCID: PMC10766706 DOI: 10.3389/fcell.2023.1328261] [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: 10/26/2023] [Accepted: 12/11/2023] [Indexed: 01/09/2024] Open
Abstract
In the last decades, mesenchymal stem cells (MSCs) have become the cornerstone of cellular therapy due to their unique characteristics. Specifically human placenta-derived mesenchymal stem cells (hPMSCs) are highlighted for their unique features, including ease to isolate, non-invasive techniques for large scale cell production, significant immunomodulatory capacity, and a high ability to migrate to injuries. Researchers are exploring innovative techniques to overcome the low regenerative capacity of Central Nervous System (CNS) neurons, with one promising avenue being the development of tailored mesenchymal stem cell therapies capable of promoting neural repair and recovery. In this context, we have evaluated hPMSCs as candidates for CNS lesion regeneration using a skillful co-culture model system. Indeed, we have demonstrated the hPMSCs ability to stimulate damaged rat-retina neurons regeneration by promoting axon growth and restoring neuronal activity both under normoxia and hypoxia conditions. With our model we have obtained neuronal regeneration values of 10%-14% and axonal length per neuron rates of 19-26, μm/neuron. To assess whether the regenerative capabilities of hPMSCs are contact-dependent effects or it is mediated through paracrine mechanisms, we carried out transwell co-culture and conditioned medium experiments confirming the role of secreted factors in axonal regeneration. It was found that hPMSCs produce brain derived, neurotrophic factor (BDNF), nerve-growth factor (NGF) and Neurotrophin-3 (NT-3), involved in the process of neuronal regeneration and restoration of the physiological activity of neurons. In effect, we confirmed the success of our treatment using the patch clamp technique to study ionic currents in individual isolated living cells demonstrating that in our model the regenerated neurons are electrophysiologically active, firing action potentials. The outcomes of our neuronal regeneration studies, combined with the axon-regenerating capabilities exhibited by mesenchymal stem cells derived from the placenta, present a hopeful outlook for the potential therapeutic application of hPMSCs in the treatment of neurological disorders.
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Affiliation(s)
- Elvira H. de Laorden
- Facultad de C.C. Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Diana Simón
- Facultad de C.C. Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Santiago Milla
- Departamento de Biología de Sistemas, Unidad de Fisiología, Facultad de Medicina y Ciencias de la Salud, Universidad de Alcalá, Alcalá de Henares, Spain
| | - María Portela-Lomba
- Facultad de C.C. Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Marian Mellén
- Facultad de C.C. Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Javier Sierra
- Facultad de C.C. Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
| | - Pedro de la Villa
- Departamento de Biología de Sistemas, Unidad de Fisiología, Facultad de Medicina y Ciencias de la Salud, Universidad de Alcalá, Alcalá de Henares, Spain
| | - María Teresa Moreno-Flores
- Departamento de Anatomía, Histología y Neurociencia, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Maite Iglesias
- Facultad de C.C. Experimentales, Universidad Francisco de Vitoria, Madrid, Spain
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Scrutton AM, Ollis F, Boltze J. Mononuclear cell therapy of neonatal hypoxic-ischemic encephalopathy in preclinical versus clinical studies: a systematic analysis of therapeutic efficacy and study design. NEUROPROTECTION 2023; 1:143-159. [PMID: 38213793 PMCID: PMC7615506 DOI: 10.1002/nep3.29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/08/2023] [Indexed: 01/13/2024]
Abstract
Background Hypoxic-ischemic encephalopathy (HIE) is a devastating condition affecting around 8.5 in 1000 newborns globally. Therapeutic hypothermia (TH) can reduce mortality and, to a limited extent, disability after HIE. Nevertheless, there is a need for new and effective treatment strategies. Cell based treatments using mononuclear cells (MNC), which can be sourced from umbilical cord blood, are currently being investigated. Despite promising preclinical results, there is currently no strong indicator for clinical efficacy of the approach. This analysis aimed to provide potential explanations for this discrepancy. Methods A systematic review and meta-analysis was conducted according to the Preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) guidelines. Preclinical and clinical studies were retrieved from PubMed, Web of Science, Scopus, and clinicaltrials.gov using a predefined search strategy. A total of 17 preclinical and 7 clinical studies were included. We analyzed overall MNC efficacy in preclinical trials, the methodological quality of preclinical trials and relevant design features in preclinical versus clinical trials. Results There was evidence for MNC therapeutic efficacy in preclinical models of HIE. The methodological quality of preclinical studies was not optimal, and statistical design quality was particularly poor. However, methodological quality was above the standard in other fields. There were significant differences in preclinical versus clinical study design including the use of TH as a baseline treatment (only in clinical studies) and much higher MNC doses being applied in preclinical studies. Conclusions Based on the analyzed data, it is unlikely that therapeutic effect size is massively overestimated in preclinical studies. It is more plausible that the many design differences between preclinical and clinical trials are responsible for the so far lacking proof of efficacy of MNC treatments in HIE. Additional preclinical and clinical research is required to optimize the application of MNC for experimental HIE treatment.
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Affiliation(s)
- Alexander M. Scrutton
- School of Life Sciences, University of Warwick, Coventry, United Kingdom
- Neurobiology Division, MRC Laboratory of Molecular Biology, University of Cambridge, Cambridge, United Kingdom
| | - Francesca Ollis
- School of Life Sciences, University of Warwick, Coventry, United Kingdom
| | - Johannes Boltze
- School of Life Sciences, University of Warwick, Coventry, United Kingdom
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Kitamura T, Terashima T, Katagi M, Ohashi N, Nozaki K, Tsuji A. Bone marrow-derived mononuclear cells ameliorate neurological function in chronic cerebral infarction model mice via improvement of cerebral blood flow. Cytotherapy 2023; 25:1186-1199. [PMID: 37552144 DOI: 10.1016/j.jcyt.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 07/09/2023] [Accepted: 07/14/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND AIMS Stroke is a frequently observed neurological disorder that might lead to permanent and severe disability. Recently, various regenerative therapies have been developed, some of which have already been applied clinically. However, their outcomes have not been fully satisfactory. In particular, the development of regenerative therapies for chronic ischemic stroke is greatly needed. Herein intracerebral administration of bone marrow-derived mononuclear cells (BM-MNCs) was assessed as a potential treatment for chronic ischemic stroke using a severe combined immunodeficiency mouse model characterized by minimal vascular variation unrelated to immunodeficiency. METHODS A reproducible model of permanent middle cerebral artery occlusion was prepared, and intracerebral BM-MNC transplantation was performed 14 days after stroke induction in the infarcted brain. RESULTS Sensorimotor behavioral function and cerebral blood flow were significantly improved upon treatment with BM-MNCs compared to control medium injection. The transplanted cells exhibited characteristics of the vascular endothelium and microglia/macrophages. Significant angiogenesis and suppression of astrogliosis and microgliosis were observed in the affected brain. Messenger RNA expression analysis showed significant increases in anti-inflammatory cytokines, A2 astrocyte/anti-inflammatory microglia markers and vascular endothelial markers such as vascular endothelial growth factor and significant decreases in pro-inflammatory cytokines and A1 astrocyte/pro-inflammatory microglia markers following BM-MNC transplantation. CONCLUSIONS These results suggest that intracerebral administration of BM-MNCs should be considered an effective cell therapy for chronic stroke.
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Affiliation(s)
- Tomoaki Kitamura
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Otsu, Japan; Department of Neurosurgery, Shiga University of Medical Science, Otsu, Japan
| | - Tomoya Terashima
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Otsu, Japan.
| | - Miwako Katagi
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Otsu, Japan
| | - Natsuko Ohashi
- Department of Stem Cell Biology and Regenerative Medicine, Shiga University of Medical Science, Otsu, Japan
| | - Kazuhiko Nozaki
- Department of Neurosurgery, Shiga University of Medical Science, Otsu, Japan
| | - Atsushi Tsuji
- Department of Neurosurgery, Shiga University of Medical Science, Otsu, Japan
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Neuroprotective Strategies for Ischemic Stroke-Future Perspectives. Int J Mol Sci 2023; 24:ijms24054334. [PMID: 36901765 PMCID: PMC10002358 DOI: 10.3390/ijms24054334] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Ischemic stroke is the main cause of death and the most common cause of acquired physical disability worldwide. Recent demographic changes increase the relevance of stroke and its sequelae. The acute treatment for stroke is restricted to causative recanalization and restoration of cerebral blood flow, including both intravenous thrombolysis and mechanical thrombectomy. Still, only a limited number of patients are eligible for these time-sensitive treatments. Hence, new neuroprotective approaches are urgently needed. Neuroprotection is thus defined as an intervention resulting in the preservation, recovery, and/or regeneration of the nervous system by interfering with the ischemic-triggered stroke cascade. Despite numerous preclinical studies generating promising data for several neuroprotective agents, successful bench-to-bedside translations are still lacking. The present study provides an overview of current approaches in the research field of neuroprotective stroke treatment. Aside from "traditional" neuroprotective drugs focusing on inflammation, cell death, and excitotoxicity, stem-cell-based treatment methods are also considered. Furthermore, an overview of a prospective neuroprotective method using extracellular vesicles that are secreted from various stem cell sources, including neural stem cells and bone marrow stem cells, is also given. The review concludes with a short discussion on the microbiota-gut-brain axis that may serve as a potential target for future neuroprotective therapies.
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Takemura M, Sasaki M, Kataoka-Sasaki Y, Kiyose R, Nagahama H, Oka S, Ukai R, Yokoyama T, Kocsis JD, Ueba T, Honmou O. Repeated intravenous infusion of mesenchymal stem cells for enhanced functional recovery in a rat model of chronic cerebral ischemia. J Neurosurg 2022; 137:402-411. [PMID: 34861644 DOI: 10.3171/2021.8.jns21687] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 08/09/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Stroke is a major cause of long-term disability, and there are few effective treatments that improve function in patients during the chronic phase of stroke. Previous research has shown that single systemic infusion of mesenchymal stem cells (MSCs) improves motor function in acute and chronic cerebral ischemia models in rats. A possible mechanism that could explain such an event includes the enhanced neural connections between cerebral hemispheres that contribute to therapeutic effects. In the present study, repeated infusions (3 times at weekly intervals) of MSCs were administered in a rat model of chronic stroke to determine if multiple dosing facilitated plasticity in neural connections. METHODS The authors induced middle cerebral artery occlusion (MCAO) in rats and, 8 weeks thereafter, used them as a chronic stroke model. The rats with MCAO were randomized and intravenously infused with vehicle only (vehicle group); with MSCs at week 8 (single administration: MSC-1 group); or with MSCs at weeks 8, 9, and 10 (3 times, repeated administration: MSC-3 group) via femoral veins. Ischemic lesion volume and behavioral performance were examined. Fifteen weeks after induction of MCAO, the thickness of the corpus callosum (CC) was determined using Nissl staining. Immunohistochemical analysis of the CC was performed using anti-neurofilament antibody. Interhemispheric connections through the CC were assessed ex vivo by diffusion tensor imaging. RESULTS Motor recovery was better in the MSC-3 group than in the MSC-1 group. In each group, there was no change in the ischemic volume before and after infusion. However, both thickness and optical density of neurofilament staining in the CC were greater in the MSC-3 group, followed by the MSC-1 group, and then the vehicle group. The increased thickness and optical density of neurofilament in the CC correlated with motor function at 15 weeks following induction of MCAO. Preserved neural tracts that ran through interhemispheric connections via the CC were also more extensive in the MSC-3 group, followed by the MSC-1 group and then the vehicle group, as observed ex vivo using diffusion tensor imaging. CONCLUSIONS These results indicate that repeated systemic administration of MSCs over 3 weeks resulted in greater functional improvement as compared to single administration and/or vehicle infusion. In addition, administration of MSCs is associated with promotion of interhemispheric connectivity through the CC in the chronic phase of cerebral infarction.
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Affiliation(s)
- Mitsuhiro Takemura
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
- 3Department of Neurosurgery, Kochi Medical School, Kochi University, Nankoku, Kochi, Japan
| | - Masanori Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
- Departments of4Neurology and
| | - Yuko Kataoka-Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Ryo Kiyose
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Hiroshi Nagahama
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
- 2Division of Radioisotope Research, Biomedical Research, Education and Instrumentation Center, Sapporo Medical University School of Medicine, Sapporo, Hokkaido
| | - Shinichi Oka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Ryo Ukai
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Takahiro Yokoyama
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Jeffery D Kocsis
- Departments of4Neurology and
- 5Neuroscience, Yale University School of Medicine, New Haven; and
- 6Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Tetsuya Ueba
- 3Department of Neurosurgery, Kochi Medical School, Kochi University, Nankoku, Kochi, Japan
| | - Osamu Honmou
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
- Departments of4Neurology and
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Hedayatpour A, Shiasi M, Modarresi P, Bashghareh A. Remote ischemic preconditioning combined with atorvastatin improves memory after global cerebral ischemia-reperfusion in male rats. RESEARCH RESULTS IN PHARMACOLOGY 2022. [DOI: 10.3897/rrpharmacology.8.75753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Introduction: Damage to hippocampus can occur through ischemia. Memory problems are among the most significant disabilities after stroke. Therefore, improving memory is of great interest in helping post-stroke patients. This study demonstrated that intraperitoneally injection of atorvastatin with a short cycle of ischemia-reperfusion in the left femoral artery improved hippocampal CA1 neurons injury and memory problems after global cerebral ischemia.
Materials and methods: In this article survey, we used 64 animals. Rats were divided into 8 groups, (n=8). Group 1: control; group 2: sham; group 3: global cerebral ischemia (GCI) only; group 4: remote ischemic preconditioning (RIP) + GCI; group 5: GCI + atorvastatin (ATO); group 6: GCI + vehicle; group 7: RIP + GCI + ATO; group 8: RIP + GCI + vehicle. We created global cerebral ischemia (GCI) with 20 min occlusion of the Common carotid artery.
Results and discussion: Remote ischemic preconditioning could improve rats performance in water maze tests along with a decrease in neuronal death. Also, atorvastatin combined with remote ischemic preconditioning was more effective for memory improvement and reduction of neuronal death. Inconsistent with our result, the function of the animals in the ischemia group was impaired. CA1 hippocampal neurons have an important role in memory and learning, and they can be damaged after cerebral ischemia. Therefore, ischemia can create memory problems. Remote ischemic preconditioning and atorvastatin had a neuroprotective effect and could improve rat performance in water maze test.
Conclusion: This study showed that remote ischemic preconditioning with atorvastatin could improve CA1 neuronal injury and memory.
Graphical abstract:
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7
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Ischemic Brain Stroke and Mesenchymal Stem Cells: An Overview of Molecular Mechanisms and Therapeutic Potential. Stem Cells Int 2022; 2022:5930244. [PMID: 35663353 PMCID: PMC9159823 DOI: 10.1155/2022/5930244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 10/12/2021] [Accepted: 05/04/2022] [Indexed: 12/15/2022] Open
Abstract
Ischemic brain injury is associated with a high rate of mortality and disability with no effective therapeutic strategy. Recently, a growing number of studies are focusing on mesenchymal stem cell-based therapies for neurodegenerative disorders. However, despite having the promising outcome of preclinical studies, the clinical application of stem cell therapy remained elusive due to little or no progress in clinical trials. The objective of this study was to provide a generalized critique for the role of mesenchymal stem cell therapy in ischemic stroke injury, its underlying mechanisms, and constraints on its preclinical and clinical applications. Thus, we attempted to present an overview of previously published reports to evaluate the progress and provide molecular basis of mesenchymal stem cells (MSCs) therapy and its application in preclinical and clinical settings, which could aid in designing an effective regenerative therapeutic strategy in the future.
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García-Belda P, Prima-García H, Aliena-Valero A, Castelló-Ruiz M, Ulloa-Navas MJ, Ten-Esteve A, Martí-Bonmatí L, Salom JB, García-Verdugo JM, Gil-Perotín S. Intravenous SPION-labeled adipocyte-derived stem cells targeted to the brain by magnetic attraction in a rat stroke model: An ultrastructural insight into cell fate within the brain. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 39:102464. [PMID: 34583057 DOI: 10.1016/j.nano.2021.102464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 07/09/2021] [Accepted: 08/06/2021] [Indexed: 12/19/2022]
Abstract
Mesenchymal stem cell therapy after stroke is a promising option investigated in animal models and clinical trials. The intravenous route is commonly used in clinical settings guaranteeing an adequate safety profile although low yields of engraftment. In this report, rats subjected to ischemic stroke were injected with adipose-derived stem cells (ADSCs) labeled with superparamagnetic iron oxide nanoparticles (SPIONs) applying an external magnetic field in the skull to retain the cells. Although most published studies demonstrate viability of ADSCs, only a few have used ultrastructural techniques. In our study, the application of a local magnetic force resulted in a tendency for higher yields of SPION-ADSCs targeting the brain. However, grafted cells displayed morphological signs of death, one day after administration, and correlative microscopy showed active microglia and astrocytes associated in the process of scavenging. Thus, we conclude that, although successfully targeted within the brain, SPION-ADSCs viability was rapidly compromised.
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Affiliation(s)
- Paula García-Belda
- Laboratory of Comparative Neurobiology, Institute Cavanilles, University of Valencia, Valencia, Spain
| | - Helena Prima-García
- Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, Spain
| | - Alicia Aliena-Valero
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe-Universidad de Valencia, Valencia, Spain
| | - María Castelló-Ruiz
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe-Universidad de Valencia, Valencia, Spain; Departamento de Biología Celular, Biología Funcional y Antropología Física, Universidad de Valencia, Burjassot, Spain
| | - María José Ulloa-Navas
- Laboratory of Comparative Neurobiology, Institute Cavanilles, University of Valencia, Valencia, Spain
| | - Amadeo Ten-Esteve
- Biomedical Imaging Research Group (GIBI230), La Fe Health Research Institute, Valencia, Spain
| | - Luis Martí-Bonmatí
- Biomedical Imaging Research Group (GIBI230), La Fe Health Research Institute, Valencia, Spain
| | - Juan B Salom
- Unidad Mixta de Investigación Cerebrovascular, Instituto de Investigación Sanitaria La Fe-Universidad de Valencia, Valencia, Spain; Departamento de Fisiología, Universidad de Valencia, Valencia, Spain.
| | | | - Sara Gil-Perotín
- Laboratory of Central Neuroimmunology, IIS Hospital La Fe, Valencia, Spain.
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Lee DY, Lee SE, Kwon DH, Nithiyanandam S, Lee MH, Hwang JS, Basith S, Ahn JH, Shin TH, Lee G. Strategies to Improve the Quality and Freshness of Human Bone Marrow-Derived Mesenchymal Stem Cells for Neurological Diseases. Stem Cells Int 2021; 2021:8444599. [PMID: 34539792 PMCID: PMC8445711 DOI: 10.1155/2021/8444599] [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: 05/10/2021] [Accepted: 08/26/2021] [Indexed: 12/14/2022] Open
Abstract
Human bone marrow-derived mesenchymal stem cells (hBM-MSCs) have been studied for their application to manage various neurological diseases, owing to their anti-inflammatory, immunomodulatory, paracrine, and antiapoptotic ability, as well as their homing capacity to specific regions of brain injury. Among mesenchymal stem cells, such as BM-MSCs, adipose-derived MSCs, and umbilical cord MSCs, BM-MSCs have many merits as cell therapeutic agents based on their widespread availability and relatively easy attainability and in vitro handling. For stem cell-based therapy with BM-MSCs, it is essential to perform ex vivo expansion as low numbers of MSCs are obtained in bone marrow aspirates. Depending on timing, before hBM-MSC transplantation into patients, after detaching them from the culture dish, cell viability, deformability, cell size, and membrane fluidity are decreased, whereas reactive oxygen species generation, lipid peroxidation, and cytosolic vacuoles are increased. Thus, the quality and freshness of hBM-MSCs decrease over time after detachment from the culture dish. Especially, for neurological disease cell therapy, the deformability of BM-MSCs is particularly important in the brain for the development of microvessels. As studies on the traditional characteristics of hBM-MSCs before transplantation into the brain are very limited, omics and machine learning approaches are needed to evaluate cell conditions with indepth and comprehensive analyses. Here, we provide an overview of hBM-MSCs, the application of these cells to various neurological diseases, and improvements in their quality and freshness based on integrated omics after detachment from the culture dish for successful cell therapy.
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Affiliation(s)
- Da Yeon Lee
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Sung Eun Lee
- Department of Emergency Medicine, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Do Hyeon Kwon
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | | | - Mi Ha Lee
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Ji Su Hwang
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Shaherin Basith
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Jung Hwan Ahn
- Department of Emergency Medicine, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Tae Hwan Shin
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Gwang Lee
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
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Makkiyah F, Sadewo W, Nurrizka R. Comparative Dose of Intracarotid Autologous Bone Marrow Mononuclear Therapy in Chronic Ischemic Stroke in Rats. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.5675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Research on chronic ischemic stroke is limited. One of the more promising approaches showing positive effects in the acute stage is mononuclear bone marrow cell therapy. This research may be the first which presents data about the optimum dose of bone marrow mononuclear cells (BM-MNCs) for chronic ischemic stroke in rats and discusses factors influencing recovery in the chronic stage.
We performed temporary middle cerebral artery occlusion (MCAO) procedures on the rats which were then randomly assigned to one of two experimental groups in which they were given either low or high doses of autologous BM-MNCs (5 million or 10 million cells per kg body weight).
Rat brains were fixed for HE, CD31, and doublecortin staining for analysis of the effects. Rat behavior was assessed weekly using the cylinder test and a modified neurological severity score (NSS) test.
In the four weeks prior to administration of BM-MNC, cylinder test scores improved to near normal, and NSS test scores improved moderately. The infarct zone decreased significantly (p <0,01), there was an improvement in angiogenesis (p = 0.1590) and a significant improvement in neurogenesis (p <0,01). Reduction of the infarct zone was associated with a higher dose whereas both higher and lower doses were found to have a similar effect on improving angiogenesis, and neurogenesis. Recovery was superior after twelve weeks compared with the recovery assessment at eight weeks.
In conclusion, a dose of 10 million cells was more effective than a dose of 5 million cells per kg body weight for reducing the infarct zone and ameliorating neurogenesis. There was an improvement of histopathological parameters associated with the longer infarct period.
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11
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Intravenous Infusion of Mesenchymal Stem Cells Enhances Therapeutic Efficacy of Reperfusion Therapy in Cerebral Ischemia. World Neurosurg 2021; 149:e160-e169. [PMID: 33618048 DOI: 10.1016/j.wneu.2021.02.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 01/02/2023]
Abstract
OBJECTIVE Reperfusion therapy is a standard therapeutic strategy for acute stroke. Non-favorable outcomes are thought to partially result from impaired microcirculatory flow in ischemic tissue. Intravenous infusion of mesenchymal stem cells (MSCs) reduces stroke volume and improves behavioral function in stroke. One suggested therapeutic mechanism is the restoration of the microvasculature. The goal of this study was to determine whether infused MSCs enhance the therapeutic efficacy of reperfusion therapy following stroke in rats. METHODS First, to establish a transient middle cerebral artery occlusion (MCAO) model displaying approximately identical neurologic function and lesion volume as seen in permanent MCAO (pMCAO) at day 7 after stroke induction, we transiently occluded the MCA for 90, 110, and 120 minutes. We found that the 110-minute occlusion met these criteria and was used as the transient MCAO (tMCAO) model. Next, 4 MCAO groups were used to compare the therapeutic efficacy of infused MSCs: (1) pMCAO+vehicle, (2) tMCAO+vehicle, (3) pMCAO+MSC, and (4) tMCAO+MSC. Our ischemic model was a unique ischemic model system in which both pMCAO and tMCAO provided similar outcomes during the study period in the groups without MSC infusion groups. Behavioral performance, ischemic volume, and regional cerebral blood flow (rCBF) using arterial spin labeling-magnetic resonance imaging and histologic evaluation of microvasculature was performed. RESULTS The behavioral function, rCBF, and restoration of microvasculature were greater in group 4 than in group 3. Thus, infused MSCs facilitated the therapeutic efficacy of MCA reperfusion in this rat model system. CONCLUSIONS Intravenous infusion of MSCs may enhance therapeutic efficacy of reperfusion therapy.
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12
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Carinci M, Vezzani B, Patergnani S, Ludewig P, Lessmann K, Magnus T, Casetta I, Pugliatti M, Pinton P, Giorgi C. Different Roles of Mitochondria in Cell Death and Inflammation: Focusing on Mitochondrial Quality Control in Ischemic Stroke and Reperfusion. Biomedicines 2021; 9:biomedicines9020169. [PMID: 33572080 PMCID: PMC7914955 DOI: 10.3390/biomedicines9020169] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
Mitochondrial dysfunctions are among the main hallmarks of several brain diseases, including ischemic stroke. An insufficient supply of oxygen and glucose in brain cells, primarily neurons, triggers a cascade of events in which mitochondria are the leading characters. Mitochondrial calcium overload, reactive oxygen species (ROS) overproduction, mitochondrial permeability transition pore (mPTP) opening, and damage-associated molecular pattern (DAMP) release place mitochondria in the center of an intricate series of chance interactions. Depending on the degree to which mitochondria are affected, they promote different pathways, ranging from inflammatory response pathways to cell death pathways. In this review, we will explore the principal mitochondrial molecular mechanisms compromised during ischemic and reperfusion injury, and we will delineate potential neuroprotective strategies targeting mitochondrial dysfunction and mitochondrial homeostasis.
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Affiliation(s)
- Marianna Carinci
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Bianca Vezzani
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Simone Patergnani
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Peter Ludewig
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany; (P.L.); (K.L.); (T.M.)
| | - Katrin Lessmann
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany; (P.L.); (K.L.); (T.M.)
| | - Tim Magnus
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany; (P.L.); (K.L.); (T.M.)
| | - Ilaria Casetta
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (M.P.)
| | - Maura Pugliatti
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (M.P.)
| | - Paolo Pinton
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
| | - Carlotta Giorgi
- Laboratory for Technologies of Advanced Therapies, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (M.C.); (B.V.); (S.P.); (P.P.)
- Correspondence:
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Jalali MS, Sarkaki A, Farbood Y, Azandeh SS, Mansouri E, Ghasemi Dehcheshmeh M, Saki G. Transplanted Wharton’s jelly mesenchymal stem cells improve memory and brain hippocampal electrophysiology in rat model of Parkinson’s disease. J Chem Neuroanat 2020; 110:101865. [DOI: 10.1016/j.jchemneu.2020.101865] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/14/2022]
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Ogawa Y, Okinaka Y, Takeuchi Y, Saino O, Kikuchi-Taura A, Taguchi A. Intravenous Bone Marrow Mononuclear Cells Transplantation Improves the Effect of Training in Chronic Stroke Mice. Front Med (Lausanne) 2020; 7:535902. [PMID: 33324656 PMCID: PMC7726263 DOI: 10.3389/fmed.2020.535902] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022] Open
Abstract
There is no effective treatment for chronic stroke if the acute or subacute phase is missed. Rehabilitation alone cannot easily achieve a dramatic recovery in function. In contrast to significant therapeutic effects of bone marrow mononuclear cells (BM-MNC) transplantation for acute stroke, mild and non-significant effects have been shown for chronic stroke. In this study, we have evaluated the effect of a combination of BM-MNC transplantation and neurological function training in chronic stroke. The effect of BM-MNC on neurological functional was tested four weeks after permanent middle cerebral artery occlusion (MCAO) insult in mice. BM-MNC (1 × 105cells in 100 μl PBS) were injected into the vein of MCAO model mice, followed by behavioral tests as functional evaluations. Interestingly, there was a significant therapeutic effect of BM-MNC only when repeated training was performed. This suggested that cell therapy alone was not sufficient for chronic stroke treatment; however, training with cell therapy was effective. The combination of these differently targeted therapies provided a significant benefit in the chronic stroke mouse model. Therefore, targeted cell therapy via BM-MNC transplantation with appropriate training presents a promising novel therapeutic option for patients in the chronic stroke period.
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Affiliation(s)
- Yuko Ogawa
- Department of Regenerative Medicine Research, Foundation for Biomedical Research and Innovation at Kobe, Hyogo, Japan
| | - Yuka Okinaka
- Department of Regenerative Medicine Research, Foundation for Biomedical Research and Innovation at Kobe, Hyogo, Japan
| | - Yukiko Takeuchi
- Department of Regenerative Medicine Research, Foundation for Biomedical Research and Innovation at Kobe, Hyogo, Japan
| | - Orie Saino
- Department of Regenerative Medicine Research, Foundation for Biomedical Research and Innovation at Kobe, Hyogo, Japan
| | - Akie Kikuchi-Taura
- Department of Regenerative Medicine Research, Foundation for Biomedical Research and Innovation at Kobe, Hyogo, Japan
| | - Akihiko Taguchi
- Department of Regenerative Medicine Research, Foundation for Biomedical Research and Innovation at Kobe, Hyogo, Japan
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Kwon JI, Woo CW, Kim KW, Choi Y, Kim ST, Kim YJ, Kang J, Lee DW, Tak E, Kim JK, Jung SC, Kim TH, Woo DC. Does the Apparent Diffusion Coefficient Value Predict Permanent Cerebral Ischemia/Reperfusion Injury in Rats? Acad Radiol 2019; 26:e348-e354. [PMID: 30661976 DOI: 10.1016/j.acra.2018.12.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/17/2018] [Accepted: 12/17/2018] [Indexed: 10/27/2022]
Abstract
RATIONALE AND OBJECTIVES Variation in tissue damage after cerebral ischemia/reperfusion (I/R) can cause uncertainty in stroke-related studies, which can be reduced if the damage can be predicted early after ischemia by measuring the apparent diffusion coefficient (ADC). We investigated whether ADC measurement in the acute phase can predict permanent cerebral I/R injury. MATERIALS AND METHODS The middle cerebral artery occlusion model was established using the intraluminal suture method to induce 60 minutes of ischemia followed by reperfusion in rats. T2-weighted images and diffusion-weighted images were obtained at 30 minutes and 24 hours after ischemia. Neuronal cell survival was assessed by neuronal nuclei (NeuN) immunofluorescence staining. The correlation between relative ADC (rADC) values at 30 minutes and I/R injury at 24 hours after ischemia was analyzed. Magnetic resonance imaging results were confirmed by histologic analysis. RESULTS The correlation between rADC values at 30 minutes and 24 hours was strong in the ischemic core and peri-infarct region but moderate in the anterior choroidal and hypothalamic region. Histologic analysis revealed that the correlation between rADC values at 30 minutes and the number of NeuN-positive cells at 24 hours was strong in the ischemic core and peri-infarct region but moderate in the anterior choroidal and hypothalamic region. Furthermore, there was a strong positive correlation between the sum of rADC values of three regions at 30 minutes and the infarct volume at 24 hours. CONCLUSION ADC measurement in the acute phase can predict permanent cerebral I/R injury and provide important information for the evaluation of ischemic stroke.
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Saidova AA, Vorobjev IA. Lineage Commitment, Signaling Pathways, and the Cytoskeleton Systems in Mesenchymal Stem Cells. TISSUE ENGINEERING PART B-REVIEWS 2019; 26:13-25. [PMID: 31663422 DOI: 10.1089/ten.teb.2019.0250] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem cells (MSCs) from adult tissues are promising candidates for personalized cell therapy and tissue engineering. Significant progress was achieved in our understanding of the regulation of MSCs proliferation and differentiation by different cues during the past years. Proliferation and differentiation of MSCs are sensitive to the extracellular matrix (ECM) properties, physical cues, and chemical signaling. Sheath stress, matrix stiffness, surface adhesiveness, and micro- and nanotopography define cell shape and dictate lineage commitment of MSCs even in the absence of specific chemical signals. We discuss mechanotransduction as the major route from ECM through the cytoskeleton toward signaling pathways and gene expression. All components of the cytoskeleton from primary cilium and focal adhesions (FAs) to actin, microtubules (MTs), and intermediate filaments (IFs) are involved in the mechanotransduction. Differentiation of MSCs is regulated via the complex network of interrelated signaling pathways, including RhoA/ROCK, Akt/Erk, and YAP/TAZ effectors of Hippo pathway. These pathways could be regulated both by chemical and mechanical stimuli. Attenuation of these pathways in MSCs results in specific changes in FAs and actin cytoskeleton. Besides, differentiation of MSCs affects MTs and IFs. Recent findings highlight the role of intranuclear actin in the regulation of transcription factors in response to mechanical environmental stimuli. Alterations of cytoskeletal components reflect the MSC senescence state and their migratory capacity. In this review, we discuss the relationships between the molecular interactions in signaling pathways and morphological response of cytoskeletal components and reveal the complex interrelations between cytoskeleton systems and signaling pathways during lineage commitment of MSCs. Impact Statement This review describes the complex network of relationships between mechanical and biochemical stimuli in mesenchymal stem cells (MSC) and their balance which defines the morphological changes of cell shape due to rearrangement of cytoskeletal systems during lineage commitment of MSCs.
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Affiliation(s)
- Aleena A Saidova
- Biological Faculty, M.V. Lomonosov Moscow State University, Moscow, Russia.,Center of Experimental Embryology and Reproductive Biotechnology, Moscow, Russia
| | - Ivan A Vorobjev
- Biological Faculty, M.V. Lomonosov Moscow State University, Moscow, Russia.,A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, Russia.,Department of Biology, School of Science and Humanities and National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan
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17
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Nakazaki M, Oka S, Sasaki M, Kataoka-Sasaki Y, Onodera R, Komatsu K, Iihoshi S, Hiroura M, Kawaguchi A, Kocsis JD, Honmou O. Prevention of neointimal hyperplasia induced by an endovascular stent via intravenous infusion of mesenchymal stem cells. J Neurosurg 2019; 133:1773-1785. [PMID: 31585431 DOI: 10.3171/2019.7.jns19575] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/01/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE In-stent restenosis after percutaneous transluminal angioplasty and stenting (PTAS) due to neointimal hyperplasia is a potential cause of clinical complications, including repeated revascularization and ischemic events. Neointimal hyperplasia induced by an inflammatory response to the stent strut may be a possible mechanism of in-stent restenosis. Intravenous infusion of bone marrow-derived mesenchymal stem cells (MSCs) has been reported to show therapeutic efficacy for cerebral stroke, presumably by an antiinflammatory effect. This study aimed to determine whether MSCs can reduce or prevent neointimal hyperplasia induced by an endovascular stent. METHODS In this study, two types of bare metal stents were deployed using a porcine (mini-pig) model. One stent was implanted in the common carotid artery (CCA), which is considered quite similar to the human CCA, and the other was inserted in the superficial cervical artery (SCA), which is similar in size to the human middle cerebral artery. Angiographic images, intravascular ultrasound (IVUS) imaging, and microscopic images were used for analysis. RESULTS Angiographic images and IVUS studies revealed that intravenous infusion of MSCs immediately after deployment of stents prevented in-stent stenosis of the CCA and SCA. Histological analysis also confirmed that inflammatory responses around the stent struts were reduced in both the stented CCA and SCA in the mini-pig. CONCLUSIONS Intravenous infusion of MSCs inhibited the inflammatory reaction to an implanted stent strut, and prevented progressive neointimal hyperplasia in the stented CCA and SCA in a porcine model. Thus, MSC treatment could attenuate the recurrence of cerebral ischemic events after stenting.
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Affiliation(s)
- Masahito Nakazaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
- 4Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and
- 5Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Shinichi Oka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Masanori Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
- 4Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and
- 5Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Yuko Kataoka-Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Rie Onodera
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Katsuya Komatsu
- 2Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Hokkaido
| | - Satoshi Iihoshi
- 2Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Hokkaido
| | - Manabu Hiroura
- 3NIPRO Life Science Site, NIPRO Corporation, Kusatsu, Shiga, Japan
| | - Akira Kawaguchi
- 3NIPRO Life Science Site, NIPRO Corporation, Kusatsu, Shiga, Japan
| | - Jeffery D Kocsis
- 4Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and
- 5Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Osamu Honmou
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
- 4Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and
- 5Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
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Vahidy FS, Haque ME, Rahbar MH, Zhu H, Rowan P, Aisiku IP, Lee DA, Juneja HS, Alderman S, Barreto AD, Suarez JI, Bambhroliya A, Hasan KM, Kassam MR, Aronowski J, Gee A, Cox CS, Grotta JC, Savitz SI. Intravenous Bone Marrow Mononuclear Cells for Acute Ischemic Stroke: Safety, Feasibility, and Effect Size from a Phase I Clinical Trial. Stem Cells 2019; 37:1481-1491. [PMID: 31529663 DOI: 10.1002/stem.3080] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 06/26/2019] [Indexed: 12/16/2022]
Abstract
Cellular therapy is a promising investigational modality to enhance poststroke recovery. We conducted a single-arm, phase I clinical trial to determine the safety and feasibility of intravenous (IV) administration of autologous bone marrow mononuclear cells (MNCs) after acute ischemic stroke (AIS). Patients with moderate severity of AIS underwent bone marrow harvest followed by IV reinfusion of MNCs within 24-72 hours of onset. A target dose of 10 million cells per kilogram was chosen based on preclinical data. Patients were followed up daily during hospitalization and at 1, 3, 6, 12, and 24 months for incidence of adverse events using laboratory, clinical (12 months), and radiological (24 months) parameters. The trial was powered to detect severe adverse events (SAEs) with incidences of at least 10% and planned to enroll 30 patients. Primary outcomes were study-related SAEs and the proportion of patients successfully completing study intervention. A propensity score-based matched control group was used for the estimation of effect size (ES) for day-90 modified Rankin score (mRS). There were no study-related SAEs and, based on a futility analysis, enrolment was stopped after 25 patients. All patients successfully completed study intervention and most received the target dose. Secondary analysis estimated the ES to be a reduction of 1 point (95% confidence interval: 0.33-1.67) in median day-90 mRS for treated patients as compared with the matched control group. Bone marrow harvest and infusion of MNCs is safe and feasible in patients with AIS. The estimated ES is helpful in designing future randomized controlled trials. Stem Cells 2019;37:1481-1491.
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Affiliation(s)
- Farhaan S Vahidy
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
| | - Muhammad E Haque
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
| | - Mohammad H Rahbar
- Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), UTHealth, Houston, Texas, USA
| | - Hongjian Zhu
- Department of Biostatistics and Data Science, School of Public Health, UTHealth, Houston, Texas, USA
| | - Paul Rowan
- Department of Health Policy and Management, School of Public Health, UTHealth, Houston, Texas, USA
| | - Imoigele P Aisiku
- Division of Emergency Critical Care, Department of Emergency Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Dean A Lee
- Division of Pediatrics, Cell Therapy Section, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Harinder S Juneja
- Hematology Division, Department of Medicine, UTHealth, Houston, Texas, USA
| | - Susan Alderman
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
| | - Andrew D Barreto
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
| | - Jose I Suarez
- Division of Neurosciences Critical Care, Department of Anesthesiology and Critical Care Medicine, Neurology, and Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Arvind Bambhroliya
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
| | - Khader M Hasan
- Department of Diagnostic and Interventional Imaging, McGovern Medical School at UTHealth, Houston, Texas, USA
| | | | - Jaroslaw Aronowski
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
| | - Adrian Gee
- Department of Medicine and Pediatrics, Section of Hematology-Oncology, Baylor College of Medicine, Houston, Texas, USA
| | - Charles S Cox
- Department of Pediatric Surgery, McGovern Medical School at UTHealth, Houston, Texas, USA
| | | | - Sean I Savitz
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School at UTHealth, Houston, Texas, USA
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Tuazon JP, Castelli V, Borlongan CV. Drug-like delivery methods of stem cells as biologics for stroke. Expert Opin Drug Deliv 2019; 16:823-833. [PMID: 31311344 DOI: 10.1080/17425247.2019.1645116] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction: Stem cell therapy is an experimental treatment for brain disorders. Although a cellular product, stem cells can be classified as biologics based on the cells' secretion of therapeutic substances. Treatment with stem cell biologics may appeal to stroke because of the secondary cell death mechanisms, especially neuroinflammation, that are rampant from the onset and remain elevated during the progressive phase of the disease requiring multi-pronged biological targets to effectively abrogate the neurodegenerative pathology. However, the optimal delivery methods, among other logistical approaches (i.e. cell doses and timing of intervention), for stem cell therapy will need to be refined before stem cell biologics can be successfully utilized for stroke in large scale clinical trials. Areas covered: In this review, we discuss how the innate qualities of stem cells characterize them as biologics, how stem cell transplantation may be an ideal treatment for stroke, and the various routes of stem cell administration that have been employed in various preclinical and clinical investigations. Expert opinion: There is a need to optimize the delivery of stem cell biologics for stroke in order to guide the safe and effective translation of this therapy from the laboratory to the clinic.
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Affiliation(s)
- Julian P Tuazon
- a Center of Excellence for Aging & Brain Repair, Department of Neurosurgery and Brain Repair, University of South Florida College of Medicine , Tampa , FL , USA
| | - Vanessa Castelli
- a Center of Excellence for Aging & Brain Repair, Department of Neurosurgery and Brain Repair, University of South Florida College of Medicine , Tampa , FL , USA
| | - Cesar V Borlongan
- a Center of Excellence for Aging & Brain Repair, Department of Neurosurgery and Brain Repair, University of South Florida College of Medicine , Tampa , FL , USA
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Chrostek MR, Fellows EG, Crane AT, Grande AW, Low WC. Efficacy of stem cell-based therapies for stroke. Brain Res 2019; 1722:146362. [PMID: 31381876 DOI: 10.1016/j.brainres.2019.146362] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 02/08/2023]
Abstract
Stroke remains a prevalent disease with limited treatment options. Available treatments offer little in the way of enhancing neurogenesis and recovery. Because of the limitations of available treatments, new therapies for stroke are needed. Stem cell-based therapies for stroke offer promise because of their potential to provide neurorestorative benefits. Stem cell-based therapies aim to promote neurogenesis and replacement of lost neurons or protect surviving neurons in order to improve neurological recovery. The mechanism through which stem cell treatments mediate their therapeutic effect is largely dependent on the type of stem cell and route of administration. Neural stem cells have been shown in pre-clinical and clinical trials to promote functional recovery when used in intracerebral transplantations. The therapeutic effects of neural stem cells have been attributed to their formation of new neurons and promotion of neuroregeneration. Bone marrow stem cells (BMSC) and mesenchymal stem cells (MSC) have been shown to enhance neurogenesis in pre-clinical models in intracerebral transplantations, but lack clinical evidence to support this therapeutic approach in patients and appear to be less effective than neural stem cells. Intravenous and intra-arterial administration of BMSC and MSC have shown more promise, where their effects are largely mediated through neuroprotective mechanisms. The immune system has been implicated in exacerbating initial damage caused by stroke, and BMSC and MSC have demonstrated immunomodulatory properties capable of dampening post-stroke inflammation and potentially improving recovery. While still in development, stem cell therapies may yield new treatments for stroke which can improve neurological recovery.
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Affiliation(s)
- Matthew R Chrostek
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Emily G Fellows
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Andrew T Crane
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Andrew W Grande
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Stem Cell Institute, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Walter C Low
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Stem Cell Institute, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
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Vahidinia Z, Azami Tameh A, Nejati M, Beyer C, Talaei SA, Etehadi Moghadam S, Atlasi MA. The protective effect of bone marrow mesenchymal stem cells in a rat model of ischemic stroke via reducing the C-Jun N-terminal kinase expression. Pathol Res Pract 2019; 215:152519. [PMID: 31272760 DOI: 10.1016/j.prp.2019.152519] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/03/2019] [Accepted: 06/26/2019] [Indexed: 01/09/2023]
Abstract
Ischemic stroke is the main cause of disability and mortality worldwide. Apoptosis and inflammation have an important role in ischemic brain injury. Mesenchymal stem cells (MSCs) have protective effects on stroke treatment due to anti-inflammatory properties. The inhibition of the C-Jun N-terminal kinase (JNK) pathway may be one of the molecular mechanisms of the neuroprotective effect of MSCs in ischemic brain injury. Twenty-eight male Wistar rats were divided randomly into 3 groups. Except the sham group, others subjected to transient middle cerebral artery occlusion (tMCAO). Bone marrow MSCs or saline were injected 3 h after tMCAO. Sensorimotor behavioral tests were performed 24 and 72 h after ischemia and reperfusion (I/R). The rats were sacrificed 72 h after I/R and infarct volume was measured by TTC staining. The number of apoptotic neurons and astrocytes in the peri-infarct area was assessed by TUNEL assay. The morphology of cells was checked by Nissl staining, and the expression of p-JNK was detected by immunohistochemistry and Western blot. Behavioral scores were improved and infarct volume was reduced by MSCs 24 h and 72 h after tMCAO. TUNEL assay showed that neuronal apoptosis and astroglial activity in the penumbra region were reduced by MSCs. Also, Nissl staining showed lower neuronal apoptosis in BMSCs-treated rats compared to controls. JNK phosphorylation which was profoundly induced by ischemia was significantly decreased after MSCs treatment. We concluded that anti-apoptotic and anti-inflammatory effects of MSCs therapy after brain ischemia may be associated with the down-regulation of p-JNK.
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Affiliation(s)
- Zeinab Vahidinia
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran; Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Abolfazl Azami Tameh
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Majid Nejati
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran.
| | - Cordian Beyer
- Institute of Neuroanatomy, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | | | | | - Mohammad Ali Atlasi
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran.
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Krause M, Phan TG, Ma H, Sobey CG, Lim R. Cell-Based Therapies for Stroke: Are We There Yet? Front Neurol 2019; 10:656. [PMID: 31293500 PMCID: PMC6603096 DOI: 10.3389/fneur.2019.00656] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 06/04/2019] [Indexed: 12/15/2022] Open
Abstract
Stroke is the second leading cause of death and physical disability, with a global lifetime incidence rate of 1 in 6. Currently, the only FDA approved treatment for ischemic stroke is the administration of tissue plasminogen activator (tPA). Stem cell clinical trials for stroke have been underway for close to two decades, with data suggesting that cell therapies are safe, feasible, and potentially efficacious. However, clinical trials for stroke account for <1% of all stem cell trials. Nevertheless, the resources devoted to clinical research to identify new treatments for stroke is still significant (53–64 million US$, Phase 1–4). Notably, a quarter of cell therapy clinical trials for stroke have been withdrawn (15.2%) or terminated (6.8%) to date. This review discusses the bottlenecks in delivering a successful cell therapy for stroke, and the cost-to-benefit ratio necessary to justify these expensive trials. Further, this review will critically assess the currently available data from completed stroke trials, the importance of standardization in outcome reporting, and the role of industry-led research in the development of cell therapies for stroke.
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Affiliation(s)
- Mirja Krause
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia.,Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia
| | - Thanh G Phan
- Department of Medicine, Monash University, Melbourne, VIC, Australia
| | - Henry Ma
- Department of Medicine, Monash University, Melbourne, VIC, Australia
| | - Christopher G Sobey
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia
| | - Rebecca Lim
- The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC, Australia.,Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC, Australia.,Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
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23
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Nakazaki M, Sasaki M, Kataoka-Sasaki Y, Oka S, Suzuki J, Sasaki Y, Nagahama H, Hashi K, Kocsis JD, Honmou O. Intravenous infusion of mesenchymal stem cells improves impaired cognitive function in a cerebral small vessel disease model. Neuroscience 2019; 408:361-377. [DOI: 10.1016/j.neuroscience.2019.04.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 03/18/2019] [Accepted: 04/07/2019] [Indexed: 12/18/2022]
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Gao X, Wu D, Dou L, Zhang H, Huang L, Zeng J, Zhang Y, Yang C, Li H, Liu L, Ma B, Yuan Q. Protective effects of mesenchymal stem cells overexpressing extracellular regulating kinase 1/2 against stroke in rats. Brain Res Bull 2019; 149:42-52. [PMID: 31002912 DOI: 10.1016/j.brainresbull.2019.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 02/28/2019] [Accepted: 04/09/2019] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Although transplantation of bone marrow-derived mesenchymal stem cells (MSCs) has shown beneficial effects on stroke, lower survival of MSCs limits effects. Extracellular regulating kinase 1/2 signaling (ERK1/2) is crucial for cell survival, differentiation, and proliferation. This study was designed to explore whether MSCs modified by over-expressing ERK1/2 may reinforce beneficial effects on stroke in rats. METHODS rat MSCs transfected with ERK1/2 and empty lentivirus to generate MSCs overexpressing ERK1/2 (ERK/MSCs) and MSCs (as a control), respectively. In vitro, ERK/MSCs were plated and exposed to glutamate-induced condition, and viability of ERK/MSCs was measured. Furthermore, neural induction of ERK/MSCs was investigated in vitro. Cerebral ischemic rats were induced by occluding middle cerebral artery, and then were stereotaxically injected into ipsilateral right lateral ventricle with ERK/MSCs or MSCs 3 days after stroke and survived for 7 or 14 days after injection. RESULTS ERK/MSCs showed better viability in physiological and glutamate-induced neurotoxic conditions compared to MSCs. After neural induction, more neurons were be differentiated from ERK/MSCs than from MSCs. After transplantation, more numbers of grafted cells and improved functional recovery were observed in ERK/MSCs-treated rats compared with MSCs-treated rats. Compared with MSCs treatment, ERK/MSCs treatment significantly increased proliferation of neural stem cells in the subventricle zone (SVZ) and the MAP2/nestin double-labeled cells adjacent to the SVZ, enhanced the numbers of reactive astrocytes while suppressed microglial activation. Besides, TNF-α level was elevated in ERK/MSCs-treated rats. CONCLUSION ERK/MSCs transplantation showed better functional recovery after stroke in rats, likely in part through enhancing survival of MSCs and possibly by modulating the proliferation, neuronal de-differentiation and neuroinflammation.
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Affiliation(s)
- Xiaoqing Gao
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China; Department of Anatomy and Neurobiology, Southwest Medical University, Luzhou, 646000, China
| | - Dandan Wu
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Ling Dou
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Haibo Zhang
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Liang Huang
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Jiaqi Zeng
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Yiiie Zhang
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Chaoxian Yang
- Department of Anatomy and Neurobiology, Southwest Medical University, Luzhou, 646000, China
| | - Huanhuan Li
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Lifen Liu
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Bin Ma
- Department of Molecular and Biomedical Sciences, School of Veterinary and Life Sciences, Murdoch University, Perth, WA, Australia
| | - Qionglan Yuan
- Department of Neurology, Shanghai Tongji hospital, Tongji University School of Medicine, Shanghai, 200065, China.
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Sato Y, Ueda K, Kondo T, Hattori T, Mikrogeorgiou A, Sugiyama Y, Suzuki T, Yamamoto M, Hirata H, Hirakawa A, Nakanishi K, Tsuji M, Hayakawa M. Administration of Bone Marrow-Derived Mononuclear Cells Contributed to the Reduction of Hypoxic-Ischemic Brain Injury in Neonatal Rats. Front Neurol 2018; 9:987. [PMID: 30559704 PMCID: PMC6284369 DOI: 10.3389/fneur.2018.00987] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 11/02/2018] [Indexed: 11/13/2022] Open
Abstract
Background/Objective: Perinatal hypoxic-ischemia (HI) causes neonatal death and permanent neurological deficits. Cell therapy using various cell sources has been recently identified as a novel therapy for perinatal HI. Among the available types of cell sources, bone marrow-derived mononuclear cells (BMMNCs) have unique features for clinical application. For example, stem cells can be collected after admission, thus enabling us to perform autologous transplantation. This study aimed to investigate whether the administration of BMMNCs ameliorated HI brain injury in a neonatal rat model. Methods: Seven-day-old rats underwent left carotid artery ligation and were exposed to 8% oxygen for 60 min. BMMNCs were collected from the femurs and tibias of juvenile rats using the Ficoll-Hypaque technique and injected intravenously 24 h after the insult (1 × 105 cells). Active caspase-3, as an apoptosis marker, and ED1, as an activated microglia/macrophage marker, were evaluated immunohistochemically 48 h after the insult (vehicle, n = 9; BMMNC, n = 10). Behavioral assessments using the rotarod treadmill, gait analysis, and active avoidance tests were initiated 3 weeks after the insult (sham, n = 9, vehicle, n = 8; BMMNC, n = 8). After these behavioral tests (6 weeks after the insult), we evaluated the volumes of their hippocampi, cortices, thalami, striata, and globus pallidus. Results: The mean cell densities of the sum of four parts that were positive for active caspase-3 significantly decreased in the BMMNC group (p < 0.05), whereas in the hippocampi, cortices, thalami, and striata cell densities decreased by 42, 60, 56, and 47%, respectively, although statistical significance was not attained. The number of ED1 positive cells for the sum of the four parts also significantly decreased in the BMMNC group compared to the vehicle group (p < 0.05), whereas in each of the four parts the decrease was 35, 39, 47, and 36%, respectively, although statistical significance was not attained. In gait analysis, the BMMNC normalized the contact area of the affected hind paw widened by HI. The volumes of the affected striata and globus pallidus were significantly larger in the BMMNC group than in the control group. Conclusion: These results indicated that the injection of BMMNCs ameliorated HI brain injury in a neonatal rat model.
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Affiliation(s)
- Yoshiaki Sato
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Kazuto Ueda
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Taiki Kondo
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Tetsuo Hattori
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Alkisti Mikrogeorgiou
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Yuichiro Sugiyama
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Toshihiko Suzuki
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Michiro Yamamoto
- Department of Hand Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hitoshi Hirata
- Department of Hand Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Akihiro Hirakawa
- Department of Biostatistics and Bioinformatics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Keiko Nakanishi
- Department of Perinatology, Aichi Human Service Center, Institute for Developmental Research, Aichi, Japan
| | - Masahiro Tsuji
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Masahiro Hayakawa
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
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26
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Namioka T, Namioka A, Sasaki M, Kataoka-Sasaki Y, Oka S, Nakazaki M, Onodera R, Suzuki J, Sasaki Y, Nagahama H, Kocsis JD, Honmou O. Intravenous infusion of mesenchymal stem cells promotes functional recovery in a rat model of chronic cerebral infarction. J Neurosurg 2018; 131:1289-1296. [PMID: 30485210 DOI: 10.3171/2018.5.jns18140] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 05/10/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Intravenous infusion of mesenchymal stem cells (MSCs) derived from adult bone marrow improves behavioral function in rat models of cerebral infarction. Although clinical studies are ongoing, most studies have focused on the acute or subacute phase of stroke. In the present study, MSCs derived from bone marrow of rats were intravenously infused 8 weeks after the induction of a middle cerebral artery occlusion (MCAO) to investigate whether delayed systemic injection of MSCs improves functional outcome in the chronic phase of stroke in rats. METHODS Eight weeks after induction of the MCAO, the rats were randomized and intravenously infused with either MSCs or vehicle. Ischemic volume and behavioral performance were examined. Blood-brain barrier (BBB) integrity was assessed by quantifying the leakage of Evans blue into the brain parenchyma after intravenous infusion. Immunohistochemical analysis was also performed to evaluate the stability of the BBB. RESULTS Motor recovery was better in the MSC-treated group than in the vehicle-treated group, with rapid improvement (evident at 1 week post-infusion). In MSC-treated rats, reduced BBB leakage and increased microvasculature/repair and neovascularization were observed. CONCLUSIONS These results indicate that the systemic infusion of MSCs results in functional improvement, which is associated with structural changes in the chronic phase of cerebral infarction, including in the stabilization of the BBB.
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Affiliation(s)
- Takahiro Namioka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Ai Namioka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masanori Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- 3Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Yuko Kataoka-Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shinichi Oka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masahito Nakazaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Rie Onodera
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Junpei Suzuki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuichi Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroshi Nagahama
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Jeffery D Kocsis
- 2Department of Neurology, Yale University School of Medicine, New Haven; and
- 3Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Osamu Honmou
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- 3Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
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Namioka A, Namioka T, Sasaki M, Kataoka-Sasaki Y, Oka S, Nakazaki M, Onodera R, Suzuki J, Sasaki Y, Nagahama H, Kocsis JD, Honmou O. Intravenous infusion of mesenchymal stem cells for protection against brainstem infarction in a persistent basilar artery occlusion model in the adult rat. J Neurosurg 2018; 131:1308-1316. [PMID: 30485204 DOI: 10.3171/2018.4.jns173121] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 04/05/2018] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Morbidity and mortality in patients with posterior circulation stroke remains an issue despite advances in acute stroke therapies. The intravenous infusion of mesenchymal stem cells (MSCs) elicits therapeutic efficacy in experimental supratentorial stroke models. However, since there are few reliable animal models of ischemia in the posterior circulation, the therapeutic approach with intravenous MSC infusion has not been tested. The objective of this study was to test the hypothesis that intravenously infused MSCs provide functional recovery in a newly developed model of brainstem infarction in rats. METHODS Basilar artery (BA) occlusion (BAO) was established in rats by selectively ligating 4 points of the proximal BA with 10-0 nylon monofilament suture. The intravenous infusion of MSCs was performed 1 day after BAO induction. MRI and histological examinations were performed to assess ischemic lesion volume, while multiple behavioral tests were performed to evaluate functional recovery. RESULTS The MSC-treated group exhibited a greater reduction in ischemic lesion volume, while behavioral testing indicated that the MSC-infused group had greater improvement than the vehicle group 28 days after the MSC infusion. Accumulated infused MSCs were observed in the ischemic brainstem lesion. CONCLUSIONS Infused MSCs may provide neuroprotection to facilitate functional outcomes and reduce ischemic lesion volume as evaluated in a newly developed rat model of persistent BAO.
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Affiliation(s)
- Ai Namioka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takahiro Namioka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masanori Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- 3Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Yuko Kataoka-Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shinichi Oka
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masahito Nakazaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Rie Onodera
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Junpei Suzuki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuichi Sasaki
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroshi Nagahama
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Jeffery D Kocsis
- 2Department of Neurology, Yale University School of Medicine, New Haven; and
- 3Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Osamu Honmou
- 1Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- 3Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
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28
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Rosenberg JT, Yuan X, Helsper SN, Bagdasarian FA, Ma T, Grant SC. Effects of labeling human mesenchymal stem cells with superparamagnetic iron oxides on cellular functions and magnetic resonance contrast in hypoxic environments and long-term monitoring. Brain Circ 2018; 4:133-138. [PMID: 30450421 PMCID: PMC6187941 DOI: 10.4103/bc.bc_18_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 08/27/2018] [Accepted: 09/10/2018] [Indexed: 01/25/2023] Open
Abstract
Ischemia, which involves decreased blood flow to a region and a corresponding deprivation of oxygen and nutrients, can be induced as a consequence of stroke or heart attack. A prevalent disease that affects many individuals worldwide, ischemic stroke results in functional and cognitive impairments, as neural cells in the brain receive inadequate nourishment and encounter inflammation and various other detrimental toxic factors that lead to their death. Given the scarce treatments for this disease in the clinic such as the administration of tissue plasminogen activator, which is only effective in a limited time window after the occurrence of stroke, it will be necessary to develop new strategies to ameliorate or prevent stroke-induced brain damage. Cell-based therapies appear to be a promising solution for treating ischemic stroke and many other ischemia-associated and neurodegenerative maladies. Particularly, human mesenchymal stem cells (hMSCs) are of interest for cell transplantation in stroke, given their multipotency, accessibility, and reparative abilities. To determine the fate and survival of hMSC, which will be imperative for successful transplantation therapies, these cells may be monitored using magnetic resonance imaging and transfected with superparamagnetic iron oxide (SPIO), a contrast agent that facilitates the detection of these hMSCs. This review encompasses pertinent research and findings to reveal the effects of SPIO on hMSC functions in the context of transplantation in ischemic environments and over extended time periods. This paper is a review article. Referred literature in this paper has been listed in the references section. The data sets supporting the conclusions of this article are available online by searching various databases, including PubMed. Some original points in this article come from the laboratory practice in our research center and the authors' experiences.
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Affiliation(s)
- Jens T Rosenberg
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA.,The National High Magnetic Field Laboratory, CIMAR, Florida State University, Tallahassee, Florida, USA
| | - Xuegang Yuan
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA
| | - Shannon N Helsper
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA.,The National High Magnetic Field Laboratory, CIMAR, Florida State University, Tallahassee, Florida, USA
| | - F Andrew Bagdasarian
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA.,The National High Magnetic Field Laboratory, CIMAR, Florida State University, Tallahassee, Florida, USA
| | - Teng Ma
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA
| | - Samuel C Grant
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA.,The National High Magnetic Field Laboratory, CIMAR, Florida State University, Tallahassee, Florida, USA
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29
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Stem Cell Culture in Microgravity and Its Application in Cell-Based Therapy. Stem Cells Dev 2018; 27:1298-1302. [DOI: 10.1089/scd.2017.0298] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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30
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Nagahama H, Suzuki J, Sasaki M, Nakazaki M, Honmou O. [8. Evaluation of the Therapeutic Mechanisms in Regeneration Therapy for Cerebral Infarction Using Pre-clinical Magnetic Resonance Imaging]. Nihon Hoshasen Gijutsu Gakkai Zasshi 2018; 74:722-725. [PMID: 30033967 DOI: 10.6009/jjrt.2018_jsrt_74.7.722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Hiroshi Nagahama
- Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital.,Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Junpei Suzuki
- Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital.,Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Masanori Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Masahito Nakazaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
| | - Osamu Honmou
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine
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31
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Nagahama H, Nakazaki M, Sasaki M, Kataoka-Sasaki Y, Namioka T, Namioka A, Oka S, Onodera R, Suzuki J, Sasaki Y, Kocsis JD, Honmou O. Preservation of interhemispheric cortical connections through corpus callosum following intravenous infusion of mesenchymal stem cells in a rat model of cerebral infarction. Brain Res 2018; 1695:37-44. [PMID: 29802840 DOI: 10.1016/j.brainres.2018.05.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 05/09/2018] [Accepted: 05/22/2018] [Indexed: 01/01/2023]
Abstract
Systemic administration of mesenchymal stem cells (MSCs) following cerebral infarction exerts functional improvements. Previous research has suggested potential therapeutic mechanisms that promote neuroprotection and synaptogenesis. These include secretion of neurotrophic factors, remodeling of neural circuits, restoration of the blood brain barrier, reduction of inflammatory infiltration and demyelination, and elevation of trophic factors. In addition to these mechanisms, we hypothesized that restored interhemispheric bilateral motor cortex connectivity might be an additional mechanism of functional recovery. In the present study, we have shown, with both MRI diffusion tensor imaging (DTI) and neuroanatomical tracing techniques using an adeno-associated virus (AAV) expressing GFP, that there was anatomical restoration of cortical interhemispheric connections through the corpus callosum after intravenous infusion of MSCs in a rat middle cerebral artery occlusion (MCAO) stroke model. Moreover, the degree of connectivity was greater in the MSC-treated group than in the vehicle-infused group. In accordance, both the thickness of corpus callosum and synaptic puncta in the contralateral (non-infarcted) motor cortex connected to the corpus callosum were greater in the MSC-treated group than in the vehicle group. Together, these results suggest that distinct preservation of interhemispheric cortical connections through corpus callosum was promoted by intravenous infusion of MSCs. This anatomical preservation of the motor cortex in the contralateral hemisphere may contribute to functional improvements following MSC therapy for cerebral stroke.
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Affiliation(s)
- Hiroshi Nagahama
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Masahito Nakazaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Masanori Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan; Department of Neurology, Yale University School of Medicine, New Haven, CT 06510, USA; Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, CT 06516, USA.
| | - Yuko Kataoka-Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Takahiro Namioka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Ai Namioka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Shinichi Oka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Rie Onodera
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Junpei Suzuki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Yuichi Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan
| | - Jeffery D Kocsis
- Department of Neurology, Yale University School of Medicine, New Haven, CT 06510, USA; Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Osamu Honmou
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan; Department of Neurology, Yale University School of Medicine, New Haven, CT 06510, USA; Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, CT 06516, USA
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32
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Laskowitz DT, Bennett ER, Durham RJ, Volpi JJ, Wiese JR, Frankel M, Shpall E, Wilson JM, Troy J, Kurtzberg J. Allogeneic Umbilical Cord Blood Infusion for Adults with Ischemic Stroke: Clinical Outcomes from a Phase I Safety Study. Stem Cells Transl Med 2018; 7:521-529. [PMID: 29752869 PMCID: PMC6052613 DOI: 10.1002/sctm.18-0008] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 03/21/2018] [Indexed: 12/16/2022] Open
Abstract
Stroke is a major cause of death and long‐term disability, affecting one in six people worldwide. The only currently available approved pharmacological treatment for ischemic stroke is tissue plasminogen activator; however, relatively few patients are eligible for this therapy. We hypothesized that intravenous (IV) infusion of banked unrelated allogeneic umbilical cord blood (UCB) would improve functional outcomes in patients with ischemic stroke. To investigate this, we conducted a phase I open‐label trial to assess the safety and feasibility of a single IV infusion of non‐human leukocyte antigen (HLA) matched, ABO matched, unrelated allogeneic UCB into adult stroke patients. Ten participants with acute middle cerebral artery ischemic stroke were enrolled. UCB units were matched for blood group antigens and race but not HLA, and infused 3–9 days post‐stroke. The adverse event (AE) profile over a 12 month postinfusion period indicated that the treatment was well‐tolerated in these stroke patients, with no serious AEs directly related to the study product. Study participants were also assessed using neurological and functional evaluations, including the modified Rankin Score (mRS) and National Institute of Health Stroke Scale (NIHSS). At 3 months post‐treatment, all participants had improved by at least one grade in mRS (mean 2.8 ± 0.9) and by at least 4 points in NIHSS (mean 5.9 ± 1.4), relative to baseline. Together, these data suggest that a single i.v. dose of allogeneic non‐HLA matched human UCB cells is safe in adults with ischemic stroke, and support the conduct of a randomized, placebo‐controlled phase 2 study. stemcellstranslationalmedicine2018;7:521–529
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Affiliation(s)
| | | | - Rebecca J. Durham
- Robertson Clinical and Translational Cell Therapy Program, Duke Translational Research Institute/Duke UniversityDurhamNorth CarolinaUSA
| | - John J. Volpi
- Eddy Scurlock Stroke Center, Houston Methodist Neurological InstituteHoustonTexasUSA
| | - Jonathan R. Wiese
- Eddy Scurlock Stroke Center, Houston Methodist Neurological InstituteHoustonTexasUSA
| | - Michael Frankel
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Elizabeth Shpall
- MD Anderson Cancer Center, The University of TexasHoustonTexasUSA
| | - Jeffry M. Wilson
- MD Anderson Cancer Center, The University of TexasHoustonTexasUSA
| | - Jesse Troy
- Robertson Clinical and Translational Cell Therapy Program, Duke Translational Research Institute/Duke UniversityDurhamNorth CarolinaUSA
| | - Joanne Kurtzberg
- Robertson Clinical and Translational Cell Therapy Program, Duke Translational Research Institute/Duke UniversityDurhamNorth CarolinaUSA
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33
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Oh SH, Choi C, Noh JE, Lee N, Jeong YW, Jeon I, Shin JM, Kim JH, Kim HJ, Lee JM, Kim HS, Kim OJ, Song J. Interleukin-1 receptor antagonist-mediated neuroprotection by umbilical cord-derived mesenchymal stromal cells following transplantation into a rodent stroke model. Exp Mol Med 2018; 50:1-12. [PMID: 29650950 PMCID: PMC5938060 DOI: 10.1038/s12276-018-0041-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 12/21/2017] [Indexed: 01/01/2023] Open
Abstract
The human umbilical cord is a promising source of mesenchymal stromal cells (MSCs). Intravenous administration of human umbilical cord-derived MSCs (IV-hUMSCs) showed a favorable effect in a rodent stroke model by a paracrine mechanism. However, its underlying therapeutic mechanisms must be determined for clinical application. We investigated the therapeutic effects and mechanisms of our good manufacturing practice (GMP)-manufactured hUMSCs using various cell doses and delivery time points in a rodent model of stroke. IV-hUMSCs at a dose of 1 × 106 cells at 24 h after stroke improved functional deficits and reduced neuronal damage by attenuation of post-ischemic inflammation. Transcriptome and immunohistochemical analyses showed that interleukin-1 receptor antagonist (IL-1ra) was highly upregulated in ED-1-positive inflammatory cells in rats treated with IV-hUMSCs. Treatment with conditioned medium of hUMSCs increased the expression of IL-1ra in a macrophage cell line via activation of cAMP-response element-binding protein (CREB). These results strongly suggest that the attenuation of neuroinflammation mediated by endogenous IL-1ra is an important therapeutic mechanism of IV-hUMSCs for the treatment of stroke.
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Affiliation(s)
- Seung-Hun Oh
- Department of Neurology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Chunggab Choi
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Jeong-Eun Noh
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Nayeon Lee
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Yong-Woo Jeong
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Iksoo Jeon
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Jeong-Min Shin
- Development Division, CHA Biotech, Co. Ltd., Seongnam, Republic of Korea.,Department of Biotechnology, CHA University, Seongnam, Republic of Korea
| | - Ji-Hye Kim
- Development Division, CHA Biotech, Co. Ltd., Seongnam, Republic of Korea
| | - Ho-Jin Kim
- Development Division, CHA Biotech, Co. Ltd., Seongnam, Republic of Korea
| | - Ji-Min Lee
- Department of Neurology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Hyun-Sook Kim
- Department of Neurology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Ok-Joon Kim
- Department of Neurology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea.
| | - Jihwan Song
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea. .,CHA Stem Cell Institute, CHA University, Seongnam, Republic of Korea.
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Fonseca AFB, Scheffer JP, Giraldi-Guimarães A, Coelho BP, Medina RM, Oliveira ALA. Comparison among bone marrow mesenchymal stem and mononuclear cells to promote functional recovery after spinal cord injury in rabbits. Acta Cir Bras 2018; 32:1026-1035. [PMID: 29319731 DOI: 10.1590/s0102-865020170120000004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 11/16/2017] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To investigate the efficacy of allogeneic mesenchymal stem-cells and autologous mononuclear cells to promote sensorimotor recovery and tissue rescue. METHODS Female rabbits were submitted to the epidural balloon inflation method and the intravenous cells administrations were made after 8 hours or seven days after injury induction. Sensorimotor evaluation of the hindlimbs was performed, and the euthanasia was made thirty days after the treatment. Spinal cords were stained with hematoxylin and eosin. RESULTS Both therapies given 8 hours after the injury promoted the sensorimotor recovery after a week. Only the group treated after a week with mononuclear cells showed no significant recovery at post-injury day 14. In the days 21 and 28, all treatments promoted significant recovery. Histopathological analysis showed no difference among the experimental groups. Our results showed that both bone marrow-derived cell types promoted significant sensorimotor recovery after injury, and the treatment made at least a week after injury is efficient. CONCLUSION The possibilities of therapy with bone marrow-derived cells are large, increasing the therapeutic arsenal for the treatment of spinal cord injury.
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Affiliation(s)
- Antônio Filipe Braga Fonseca
- PhD in Sciences, Laboratory of Animal Health, Center for Agricultural Sciences and Technologies, Animal Experimentation Unit, Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), Campos dos Goytacazes-RJ, Brazil. Intellectual, scientific, conception and design of the study; technical procedures; aquisition and analysis of data; manuscript writing
| | - Jussara Peters Scheffer
- Fellow PhD degree, Laboratory of Animal Health, Center for Agricultural Sciences and Technologies, Animal Experimentation Unit, UENF, Campos dos Goytacazes-RJ, Brazil. Conception and design of the estudy, technical procedures, critical revision
| | - Arthur Giraldi-Guimarães
- PhD in Sciences, Associate Professor, Laboratory of Cell and Tissue Biology, Center for Biosciences and Biotechnology, UENF, Campos dos Goytacazes-RJ, Brazil. Analysis and interpretation of data
| | - Bárbara Paula Coelho
- PhD in Sciences, Laboratory of Cell and Tissue Biology, Center for Biosciences and Biotechnology, UENF, Campos dos Goytacazes-RJ, Brazil. Acquisition of data
| | - Raphael Mansur Medina
- PhD in Sciences, Laboratory of Animal Health; Center for Agricultural Sciences and Technologies, Animal Experimentation Unit, UENF, Campos dos Goytacazes-RJ, Brazil. Acquisition of data
| | - André Lacerda Abreu Oliveira
- PhD in Sciences, Associate Professor, Laboratory of Animal Health; Center for Agricultural Sciences and Technologies, Animal Experimentation Unit, UENF, Campos dos Goytacazes-RJ, Brazil. Critical revision, final approval the manuscript
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Fukumura S, Sasaki M, Kataoka-Sasaki Y, Oka S, Nakazaki M, Nagahama H, Morita T, Sakai T, Tsutsumi H, Kocsis JD, Honmou O. Intravenous infusion of mesenchymal stem cells reduces epileptogenesis in a rat model of status epilepticus. Epilepsy Res 2018; 141:56-63. [PMID: 29475054 DOI: 10.1016/j.eplepsyres.2018.02.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 01/22/2018] [Accepted: 02/13/2018] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Status epilepticus (SE) causes neuronal cell death, aberrant mossy fiber sprouting (MFS), and cognitive deteriorations. The present study tested the hypothesis that systemically infused mesenchymal stem cells (MSCs) reduce epileptogenesis by inhibiting neuronal cell death and suppressing aberrant MFS, leading to cognitive function preservation in a rat model of epilepsy. METHODS SE was induced using the lithium-pilocarpine injection model. The seizure frequency was scored using a video-monitoring system and the Morris water maze test was carried out to evaluate cognitive function. Comparisons were made between MSCs- and vehicle-infused rats. Immunohistochemical staining was performed to detect Green fluorescent protein (GFP)+ MSCs and to quantify the number of GAD67+ and NeuN+ neurons in the hippocampus. Manganese-enhanced magnetic resonance imaging (MEMRI) and Timm staining were also performed to assess the MFS. RESULTS MSC infusion inhibited epileptogenesis and preserved cognitive function after SE. The infused GFP+ MSCs were accumulated in the hippocampus and were associated with the preservation of GAD67+ and NeuN+ hippocampal neurons. Furthermore, the MSC infusion suppressed the aberrant MFS in the hippocampus as evidenced by MEMRI and Timm staining. CONCLUSIONS This study demonstrated that the intravenous infusion of MSCs mitigated epileptogenesis, thus advancing MSCs as an effective approach for epilepsy in clinical practice.
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Affiliation(s)
- Shinobu Fukumura
- Department of Pediatrics, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan; Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Masanori Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan; Department of Neurology, Yale University School of Medicine, New Haven, CT, 06510, USA; Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, CT, 06516, USA.
| | - Yuko Kataoka-Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Shinichi Oka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Masahito Nakazaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Hiroshi Nagahama
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Tomonori Morita
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Takuro Sakai
- Department of Pediatrics, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan; Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Hiroyuki Tsutsumi
- Department of Pediatrics, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Jeffery D Kocsis
- Department of Neurology, Yale University School of Medicine, New Haven, CT, 06510, USA; Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, CT, 06516, USA
| | - Osamu Honmou
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan; Department of Neurology, Yale University School of Medicine, New Haven, CT, 06510, USA; Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, CT, 06516, USA
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De la Rosa MB, Kozik EM, Sakaguchi DS. Adult Stem Cell-Based Strategies for Peripheral Nerve Regeneration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1119:41-71. [PMID: 30151648 DOI: 10.1007/5584_2018_254] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Peripheral nerve injuries (PNI) occur as the result of sudden trauma and can lead to life-long disability, reduced quality of life, and heavy economic and social burdens. Although the peripheral nervous system (PNS) has the intrinsic capacity to regenerate and regrow axons to a certain extent, current treatments frequently show incomplete recovery with poor functional outcomes, particularly for large PNI. Many surgical procedures are available to halt the propagation of nerve damage, and the choice of a procedure depends on the extent of the injury. In particular, recovery from large PNI gaps is difficult to achieve without any therapeutic intervention or some form of tissue/cell-based therapy. Autologous nerve grafting, considered the "gold standard" is often implemented for treatment of gap formation type PNI. Although these surgical procedures provide many benefits, there are still considerable limitations associated with such procedures as donor site morbidity, neuroma formation, fascicle mismatch, and scarring. To overcome such restrictions, researchers have explored various avenues to improve post-surgical outcomes. The most commonly studied methods include: cell transplantation, growth factor delivery to stimulate regenerating axons and implanting nerve guidance conduits containing replacement cells at the site of injury. Replacement cells which offer maximum benefits for the treatment of PNI, are Schwann cells (SCs), which are the peripheral glial cells and in part responsible for clearing out debris from the site of injury. Additionally, they release growth factors to stimulate myelination and axonal regeneration. Both primary SCs and genetically modified SCs enhance nerve regeneration in animal models; however, there is no good source for extracting SCs and the only method to obtain SCs is by sacrificing a healthy nerve. To overcome such challenges, various cell types have been investigated and reported to enhance nerve regeneration.In this review, we have focused on cell-based strategies aimed to enhance peripheral nerve regeneration, in particular the use of mesenchymal stem cells (MSCs). Mesenchymal stem cells are preferred due to benefits such as autologous transplantation, routine isolation procedures, and paracrine and immunomodulatory properties. Mesenchymal stem cells have been transplanted at the site of injury either directly in their native form (undifferentiated) or in a SC-like form (transdifferentiated) and have been shown to significantly enhance nerve regeneration. In addition to transdifferentiated MSCs, some studies have also transplanted ex-vivo genetically modified MSCs that hypersecrete growth factors to improve neuroregeneration.
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Affiliation(s)
- Metzere Bierlein De la Rosa
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA.,Veterinary Specialty Center, Buffalo Grove, IL, USA
| | - Emily M Kozik
- Biology Program, Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA.,Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA
| | - Donald S Sakaguchi
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA. .,Biology Program, Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA. .,Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA. .,Neuroscience Program, Iowa State University, Ames, IA, USA.
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Woo CW, Kwon JI, Kim KW, Kim JK, Jeon SB, Jung SC, Choi CG, Kim ST, Kim J, Ham SJ, Shim WH, Sung YS, Ha HK, Choi Y, Woo DC. The administration of hydrogen sulphide prior to ischemic reperfusion has neuroprotective effects in an acute stroke model. PLoS One 2017; 12:e0187910. [PMID: 29161281 PMCID: PMC5697867 DOI: 10.1371/journal.pone.0187910] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 10/28/2017] [Indexed: 11/18/2022] Open
Abstract
Emerging evidence has suggested that hydrogen sulfide (H2S) may alleviate the cellular damage associated with cerebral ischemia/reperfusion (I/R) injury. In this study, we assessed using 1H-magnetic resonance imaging/magnetic resonance spectroscopy (1H-MRI/MRS) and histologic analysis whether H2S administration prior to reperfusion has neuroprotective effects. We also evaluated for differences in the effects of H2S treatment at 2 time points. 1H-MRI/MRS data were obtained at baseline, and at 3, 9, and 24 h after ischemia from 4 groups: sham, control (I/R injury), sodium hydrosulfide (NaHS)-30 and NaHS-1 (NaHS delivery at 30 and 1 min before reperfusion, respectively). The total infarct volume and the midline shift at 24 h post-ischemia were lowest in the NaHS-1, followed by the NaHS-30 and control groups. Peri-infarct volume was significantly lower in the NaHS-1 compared to NaHS-30 and control animals. The relative apparent diffusion coefficient (ADC) in the peri-infarct region showed that the NaHS-1 group had significantly lower values compared to the NaHS-30 and control animals and that NaHS-1 rats showed significantly higher relative T2 values in the peri-infarct region compared to the controls. The relative ADC value, relative T2 value, levels of N-acetyl-L-aspartate (NAA), and the NAA, glutamate, and taurine combination score (NGT) in the ischemic core region at 24 h post-ischemia did not differ significantly between the 2 NaHS groups and the control except that the NAA and NGT values were higher in the peri-infarct region of the NaHS-1 animals at 9 h post-ischemia. In the ischemic core and peri-infarct regions, the apoptosis rate was lowest in the NaHS-1 group, followed by the NaHS-30 and control groups. Our results suggest that H2S treatment has neuroprotective effects on the peri-infarct region during the evolution of I/R injury. Furthermore, our findings indicate that the administration of H2S immediately prior to reperfusion produces the highest neuroprotective effects.
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Affiliation(s)
- Chul-Woong Woo
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Jae-Im Kwon
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Kyung-Won Kim
- Department of Radiology, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Jeong-Kon Kim
- Department of Radiology, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Sang-Beom Jeon
- Department of Neurology, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Seung-Chae Jung
- Department of Radiology, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Choong-Gon Choi
- Department of Radiology, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Sang-Tae Kim
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Jinil Kim
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Su Jeong Ham
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Woo-Hyun Shim
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Yu Sub Sung
- Department of Radiology, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Hyun Kwon Ha
- Medical Research Institute, Gangneung Asan Hospital Gangneung-si, Gangwon-do, Republic of Korea
| | - Yoonseok Choi
- Medical Research Institute, Gangneung Asan Hospital Gangneung-si, Gangwon-do, Republic of Korea
- * E-mail: (YSC); (DCW)
| | - Dong-Cheol Woo
- Asan Institute for Life Sciences, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
- * E-mail: (YSC); (DCW)
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Yang B, Li W, Satani N, Nghiem DM, Xi X, Aronowski J, Savitz SI. Protective Effects of Autologous Bone Marrow Mononuclear Cells After Administering t-PA in an Embolic Stroke Model. Transl Stroke Res 2017; 9:135-145. [PMID: 28836238 DOI: 10.1007/s12975-017-0563-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 08/09/2017] [Accepted: 08/10/2017] [Indexed: 10/19/2022]
Abstract
Tissue plasminogen activator (t-PA) is the only FDA-approved drug for acute ischemic stroke but poses risk for hemorrhagic transformation (HT). Cell therapy has been investigated as a potential therapy to improve recovery after stroke by the modulation of inflammatory responses and the improvement of blood-brain barrier (BBB) integrity, both of which are associated with HT after t-PA. In our present study, we studied the effect of autologous bone marrow mononuclear cells (MNCs) in an embolic stroke model. We administered MNCs in a rat embolic stroke 2 h after administering t-PA. We observed that even though autologous MNCs did not alter the incidence of HT, they decreased the severity of HT and reduced BBB permeability. One possible mechanism could be through the inhibition of MMP3 released by astrocytes via JAK/STAT pathway as shown by our in vitro cell interaction studies.
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Affiliation(s)
- Bing Yang
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School, University of Texas Health Science Center (UTHealth) at Houston, Houston, 77030, TX, USA.
| | - Weilang Li
- Department of Neurology, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Nikunj Satani
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School, University of Texas Health Science Center (UTHealth) at Houston, Houston, 77030, TX, USA
| | - Duyen M Nghiem
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School, University of Texas Health Science Center (UTHealth) at Houston, Houston, 77030, TX, USA
| | - XiaoPei Xi
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School, University of Texas Health Science Center (UTHealth) at Houston, Houston, 77030, TX, USA
| | - Jaroslaw Aronowski
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School, University of Texas Health Science Center (UTHealth) at Houston, Houston, 77030, TX, USA
| | - Sean I Savitz
- Institute for Stroke and Cerebrovascular Disease and Department of Neurology, McGovern Medical School, University of Texas Health Science Center (UTHealth) at Houston, Houston, 77030, TX, USA
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Park HW, Kim Y, Chang JW, Yang YS, Oh W, Lee JM, Park HR, Kim DG, Paek SH. Effect of Single and Double Administration of Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells Following Focal Cerebral Ischemia in Rats. Exp Neurobiol 2017; 26:55-65. [PMID: 28243167 PMCID: PMC5326715 DOI: 10.5607/en.2017.26.1.55] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 02/09/2017] [Accepted: 02/13/2017] [Indexed: 01/01/2023] Open
Abstract
Stem cell therapies are administered during the acute phase of stroke to preserve the penumbral tissues from ischemic injury. However, the effect of repeated cell therapy during the acute phase remains unclear. In this study, we investigated and compared the functional outcome of single (two days post-injury) and repeated (two and nine days post-injury) treatment with human umbilical cord derived mesenchymal stem cells (hUCB-MSCs) after middle cerebral artery occlusion (MCAO). The rotarod and limb placement tests were utilized to investigate functional outcomes, while infarct volume and tissue damage were measured by immunofluorescent staining for neovascularization, neurogenesis, apoptosis, and inflammation in the penumbral zones. We observed notable motor dysfunction and a significant decrease in infarcted brain volume, as well as increases in neurons and vessels in both single and repeated hUCB-MSC treatments compared to the control group. Interestingly, repeated administration of hUCB-MSCs was not found to elicit additional or synergistic improvements over monotherapy. This study suggests that a clearer understanding of the therapeutic window after stroke will facilitate the development of more efficient treatment protocols in the clinical application of stem cell therapy.
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Affiliation(s)
- Hyung Woo Park
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul 03080, Korea.; Cancer Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea.; Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Yona Kim
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul 03080, Korea.; Cancer Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea.; Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jong Wook Chang
- Stem Cell & Regenerative Medicine Center, Research Institute for Future Medicine, Samsung Medical Center, Seoul 06351, Korea
| | - Yoon Sun Yang
- Biomedical Research Institute, MEDIPOST Co., Ltd, Seoul 13494, Korea
| | - Wonil Oh
- Biomedical Research Institute, MEDIPOST Co., Ltd, Seoul 13494, Korea
| | - Jae Min Lee
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Hye Ran Park
- Department of Neurosurgery, Soonchunhyang University Hospital, Seoul 31151, Korea
| | - Dong Gyu Kim
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul 03080, Korea.; Cancer Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea.; Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Sun Ha Paek
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul 03080, Korea.; Cancer Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea.; Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea
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Argibay B, Trekker J, Himmelreich U, Beiras A, Topete A, Taboada P, Pérez-Mato M, Vieites-Prado A, Iglesias-Rey R, Rivas J, Planas AM, Sobrino T, Castillo J, Campos F. Intraarterial route increases the risk of cerebral lesions after mesenchymal cell administration in animal model of ischemia. Sci Rep 2017; 7:40758. [PMID: 28091591 PMCID: PMC5238501 DOI: 10.1038/srep40758] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 12/09/2016] [Indexed: 02/08/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are a promising clinical therapy for ischemic stroke. However, critical parameters, such as the most effective administration route, remain unclear. Intravenous (i.v.) and intraarterial (i.a.) delivery routes have yielded varied outcomes across studies, potentially due to the unknown MSCs distribution. We investigated whether MSCs reached the brain following i.a. or i.v. administration after transient cerebral ischemia in rats, and evaluated the therapeutic effects of both routes. MSCs were labeled with dextran-coated superparamagnetic nanoparticles for magnetic resonance imaging (MRI) cell tracking, transmission electron microscopy and immunohistological analysis. MSCs were found in the brain following i.a. but not i.v. administration. However, the i.a. route increased the risk of cerebral lesions and did not improve functional recovery. The i.v. delivery is safe but MCS do not reach the brain tissue, implying that treatment benefits observed for this route are not attributable to brain MCS engrafting after stroke.
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Affiliation(s)
- Bárbara Argibay
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Jesse Trekker
- IMEC, Department of Life Science Technology, Leuven 3001, Belgium.,Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Leuven 3000, Belgium
| | - Uwe Himmelreich
- Biomedical MRI, Department of Imaging and Pathology, KU Leuven, Leuven 3000, Belgium
| | - Andrés Beiras
- Department of Morphological Sciences, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Antonio Topete
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.,Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, México
| | - Pablo Taboada
- Grupo de Física de Coloides y Polímeros, Departamento de Física de la Materia Condensada, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - María Pérez-Mato
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Alba Vieites-Prado
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Ramón Iglesias-Rey
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - José Rivas
- Applied Physics Department, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Anna M Planas
- Department of Brain Ischemia and Neurodegeneration, Institut d' Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain.,August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Tomás Sobrino
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - José Castillo
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Francisco Campos
- Clinical Neurosciences Research Laboratory, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
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Nakazaki M, Sasaki M, Kataoka-Sasaki Y, Oka S, Namioka T, Namioka A, Onodera R, Suzuki J, Sasaki Y, Nagahama H, Mikami T, Wanibuchi M, Kocsis JD, Honmou O. Intravenous infusion of mesenchymal stem cells inhibits intracranial hemorrhage after recombinant tissue plasminogen activator therapy for transient middle cerebral artery occlusion in rats. J Neurosurg 2017; 127:917-926. [PMID: 28059661 DOI: 10.3171/2016.8.jns16240] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Reperfusion therapy with intravenous recombinant tissue plasminogen activator (rtPA) is the standard of care for acute ischemic stroke. However, hemorrhagic complications can result. Intravenous infusion of mesenchymal stem cells (MSCs) reduces stroke volume and improves behavioral function in experimental stroke models. One suggested therapeutic mechanism is inhibition of vascular endothelial dysfunction. The objective of this study was to determine whether MSCs suppress hemorrhagic events after rtPA therapy in the acute phase of transient middle cerebral artery occlusion (tMCAO) in rats. METHODS After induction of tMCAO, 4 groups were studied: 1) normal saline [NS]+vehicle, 2) rtPA+vehicle, 3) NS+MSCs, and 4) rtPA+MSCs. The incidence rate of intracerebral hemorrhage, both hemorrhagic and ischemic volume, and behavioral performance were examined. Matrix metalloproteinase-9 (MMP-9) levels in the brain were assessed with zymography. Quantitative analysis of regional cerebral blood flow (rCBF) was performed to assess hemodynamic change in the ischemic lesion. RESULTS The MSC-treated groups (Groups 3 and 4) experienced a greater reduction in the incidence rate of intracerebral hemorrhage and hemorrhagic volume 1 day after tMCAO even if rtPA was received. The application of rtPA enhanced activation of MMP-9, but MSCs inhibited MMP-9 activation. Behavioral testing indicated that both MSC-infused groups had greater improvement than non-MSC groups had, but rtPA+MSCs provided greater improvement than MSCs alone. The rCBF ratio of rtPA groups (Groups 2 and 4) was similar at 2 hours after reperfusion of tMCAO, but both were greater than that in non-rtPA groups. CONCLUSIONS Infused MSCs may inhibit endothelial dysfunction to suppress hemorrhagic events and facilitate functional outcome. Combined therapy of infused MSCs after rtPA therapy facilitated early behavioral recovery.
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Affiliation(s)
- Masahito Nakazaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Masanori Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and.,Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and.,Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Yuko Kataoka-Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Shinichi Oka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Takahiro Namioka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Ai Namioka
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Rie Onodera
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Junpei Suzuki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Yuichi Sasaki
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Hiroshi Nagahama
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and
| | - Takeshi Mikami
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masahiko Wanibuchi
- Department of Neurosurgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Jeffery D Kocsis
- Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and.,Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
| | - Osamu Honmou
- Department of Neural Regenerative Medicine, Research Institute for Frontier Medicine, and.,Department of Neurology, Yale University School of Medicine, New Haven, Connecticut; and.,Center for Neuroscience and Regeneration Research, VA Connecticut Healthcare System, West Haven, Connecticut
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Synergic Effects of Rehabilitation and Intravenous Infusion of Mesenchymal Stem Cells After Stroke in Rats. Phys Ther 2016; 96:1791-1798. [PMID: 27174259 DOI: 10.2522/ptj.20150504] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 05/03/2016] [Indexed: 02/09/2023]
Abstract
BACKGROUND Intravenous infusion of mesenchymal stem cells (MSCs) derived from adult bone marrow improves behavioral function in rat stroke models. Rehabilitation therapy through physical exercise also provides therapeutic efficacy for cerebral ischemia. OBJECTIVE The purpose of this study was to investigate whether synergic effects of daily rehabilitation and intravenous infusion of MSCs has therapeutic effects after stroke in rats. DESIGN This was an experimental study. METHODS A permanent middle cerebral artery occlusion (MCAO) was induced by intraluminal vascular occlusion with a microfilament. Four experimental groups were studied: group 1 (vehicle only, n=10), group 2 (vehicle + exercise, n=10), group 3 (MSCs only, n=10), and group 4 (MSCs + exercise, n=10). Rat MSCs were intravenously infused at 6 hours after MCAO, and the rats received daily rehabilitation with treadmill running exercise for 20 minutes. Lesion size was assessed at 1, 14, and 35 days using magnetic resonance imaging. Functional outcome was assessed using the Limb Placement Test. RESULTS Both combined therapy and MSC infusion reduced lesion volume, induced synaptogenesis, and elicited functional improvement compared with the groups without MSC infusion, but the effect was greater in the combined therapy group. LIMITATIONS A limitation of this study is that the results were limited to an animal model and cannot be generalized to humans. CONCLUSIONS The data indicate that the combined therapy of daily rehabilitation and intravenous infusion of MSCs improved functional outcome in a rat MCAO model.
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Rosenberg JT, Yuan X, Grant S, Ma T. Tracking mesenchymal stem cells using magnetic resonance imaging. Brain Circ 2016; 2:108-113. [PMID: 30276283 PMCID: PMC6126273 DOI: 10.4103/2394-8108.192521] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 08/05/2016] [Accepted: 08/30/2016] [Indexed: 01/12/2023] Open
Abstract
Recent translational studies in the fields of tissue regeneration and cell therapy have characterized mesenchymal stem cells (MSCs) as a potentially effective and accessible measure for treating ischemic cerebral and neurodegenerative disorders such as stroke, Parkinson's disease, and amyotrophic lateral sclerosis. Developing more efficient cell tracking techniques bear the potential to optimize MSC transplantation therapies by providing a more accurate picture of the fate and area of effect of implanted cells. Currently, determining the location of transplanted MSCs involves a histological approach, but magnetic resonance imaging (MRI) presents a noninvasive paradigm that permits repeat evaluations. To visualize MSCs using MRI, the implanted cells must be treated with an intracellular contrast agent. These are commonly paramagnetic compounds, many of which are based on superparamagnetic iron oxide (SPIO) nanoparticles. Recent research has set out characterize the effects of SPIO-uptake on the cellular activity of in vitro human MSCs and the resultant influence that respective SPIO concentration has on MRI sensitivity. As these studies reveal, SPIO-uptake has no effect on the cellular processes of proliferation and differentiation while producing high contrast MRI signals. Moreover, transplantation of SPIO-labeled MSCs in animal models encouragingly showed no loss in MRI contrast, suggesting that SPIO labeling may be an appealing regime for lasting MRI detection. This study is a review article. Referred literature in this study has been listed in the reference part. The datasets supporting the conclusions of this article are available online by searching the PubMed. Some original points in this article come from the laboratory practice in our research centers and the authors’ experiences.
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Affiliation(s)
- Jens T Rosenberg
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA.,The National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
| | - Xuegang Yuan
- The National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
| | - Samuel Grant
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA.,The National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
| | - Teng Ma
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32310, USA
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Rodríguez-Frutos B, Otero-Ortega L, Gutiérrez-Fernández M, Fuentes B, Ramos-Cejudo J, Díez-Tejedor E. Stem Cell Therapy and Administration Routes After Stroke. Transl Stroke Res 2016; 7:378-87. [PMID: 27384771 DOI: 10.1007/s12975-016-0482-6] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 06/21/2016] [Accepted: 06/27/2016] [Indexed: 12/23/2022]
Abstract
Cell-based therapy has demonstrated safety and efficacy in experimental animal models of stroke, as well as safety in stroke patients. However, various questions remain regarding the therapeutic window, dosage, route of administration, and the most appropriate cell type and source, as well as mechanisms of action and immune-modulation to optimize treatment based on stem cell therapy. Various delivery routes have been used in experimental stroke models, including intracerebral, intraventricular, subarachnoid, intra-arterial, intraperitoneal, intravenous, and intranasal routes. From a clinical point of view, it is necessary to demonstrate which is the most feasible, safest, and most effective for use with stroke patients. Therefore, further experimental studies concerning the safety, efficacy, and mechanisms of action involved in these therapeutic effects are required to determine their optimal clinical use.
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Affiliation(s)
- Berta Rodríguez-Frutos
- Department of Neurology and Stroke Center, Neuroscience and Cerebrovascular Research Laboratory, Neuroscience Area of IdiPAZ (Health Research Institute), Autonomous University of Madrid, La Paz University Hospital, Paseo de la Castellana 261, 28046, Madrid, Spain
| | - Laura Otero-Ortega
- Department of Neurology and Stroke Center, Neuroscience and Cerebrovascular Research Laboratory, Neuroscience Area of IdiPAZ (Health Research Institute), Autonomous University of Madrid, La Paz University Hospital, Paseo de la Castellana 261, 28046, Madrid, Spain
| | - María Gutiérrez-Fernández
- Department of Neurology and Stroke Center, Neuroscience and Cerebrovascular Research Laboratory, Neuroscience Area of IdiPAZ (Health Research Institute), Autonomous University of Madrid, La Paz University Hospital, Paseo de la Castellana 261, 28046, Madrid, Spain.
| | - Blanca Fuentes
- Department of Neurology and Stroke Center, Neuroscience and Cerebrovascular Research Laboratory, Neuroscience Area of IdiPAZ (Health Research Institute), Autonomous University of Madrid, La Paz University Hospital, Paseo de la Castellana 261, 28046, Madrid, Spain
| | - Jaime Ramos-Cejudo
- Department of Neurology and Stroke Center, Neuroscience and Cerebrovascular Research Laboratory, Neuroscience Area of IdiPAZ (Health Research Institute), Autonomous University of Madrid, La Paz University Hospital, Paseo de la Castellana 261, 28046, Madrid, Spain
| | - Exuperio Díez-Tejedor
- Department of Neurology and Stroke Center, Neuroscience and Cerebrovascular Research Laboratory, Neuroscience Area of IdiPAZ (Health Research Institute), Autonomous University of Madrid, La Paz University Hospital, Paseo de la Castellana 261, 28046, Madrid, Spain.
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In Situ Pluripotency Factor Expression Promotes Functional Recovery From Cerebral Ischemia. Mol Ther 2016; 24:1538-49. [PMID: 27455881 PMCID: PMC5113101 DOI: 10.1038/mt.2016.124] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 06/11/2016] [Indexed: 12/25/2022] Open
Abstract
Recovery from ischemic tissue injury can be promoted by cell proliferation and neovascularization. Transient expression of four pluripotency factors (Pou5f1, Sox2, Myc, and Klf4) has been used to convert cell types but never been tested as a means to promote functional recovery from ischemic injury. Here we aimed to determine whether transient in situ pluripotency factor expression can improve neurobehavioral function. Cerebral ischemia was induced by transient bilateral common carotid artery occlusion, after which the four pluripotency factors were expressed through either doxycycline administration into the lateral ventricle in transgenic mice in which the four factors are expressed in a doxycycline-inducible manner. Histologic evaluation showed that this transient expression induced the proliferative generation of astrocytes and/or neural progenitors, but not neurons or glial scar, and increased neovascularization with upregulation of angiogenic factors. Furthermore, in vivo pluripotency factor expression caused neuroprotective effects such as increased numbers of mature neurons and levels of synaptic markers in the striatum. Dysplasia or tumor development was not observed. Importantly, neurobehavioral evaluations such as rotarod and ladder walking tests showed that the expression of the four factors dramatically promoted functional restoration from ischemic injury. These results provide a basis for novel therapeutic modality development for cerebral ischemia.
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Cryopreservation of Bone Marrow Mononuclear Cells Alters Their Viability and Subpopulation Composition but Not Their Treatment Effects in a Rodent Stroke Model. Stem Cells Int 2016; 2016:5876836. [PMID: 27403167 PMCID: PMC4926012 DOI: 10.1155/2016/5876836] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 05/02/2016] [Accepted: 05/22/2016] [Indexed: 12/31/2022] Open
Abstract
The systemic administration of autologous bone marrow (BM) derived mononuclear cells (MNCs) is under investigation as a novel therapeutic modality for the treatment of ischemic stroke. Autologous applications raise the possibility that MNCs could potentially be stored as a banked source. There have been no studies that investigate the effects of cryopreservation of BM-MNCs on their functional abilities in stroke models. In the present study, C57BL/6 mice were subjected to middle cerebral artery occlusion (MCAo) for 60 minutes and then divided into two treatment groups: fresh MNCs versus cryopreserved MNCs. BM-MNCs were collected at 22 hours after MCAo and were stored in liquid nitrogen for 12 months in cryopreserved MNCs group. BM-MNCs cellular viability, composition, and phenotype of the various subpopulations of mice BM-MNCs were evaluated by flow cytometry, and the behavioral recovery of stroke animals was tested with freshly harvested MNCs versus cryopreserved MNCs by corner test and ladder rung test. We found that long-term cryopreservation negatively impacts the cellular viability of bone marrow MNCs. Cryopreservation also alters the cellular composition of various subpopulations within the MNCs. However, despite the changes observed in cryopreserved cells, both fresh and frozen MNCs have similar beneficial effect on behavioral and histological outcomes.
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48
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Shichinohe H, Houkin K. Cell Therapy for Stroke: Review of Previous Clinical Trials and Introduction of Our New Trials. Neurol Med Chir (Tokyo) 2016; 56:592-596. [PMID: 27302193 PMCID: PMC5066079 DOI: 10.2176/nmc.st.2016-0087] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Stroke is still a leading cause of death and disability, and despite intensive research, few treatment options exist. A recent breakthrough in cell therapy is expected to reverse the neurological sequelae of stroke. Although some pioneer studies on the use of cell therapy for the treatment of stroke have been reported, certain problems still remain unsolved. We investigated the use of autologous bone marrow stromal cell (BMSC) transplantation for the treatment of stroke, to develop it as the next-generation cell therapy. In this study, we introduce the preparation of a new clinical trial, the Research on Advanced Intervention using Novel Bone marrow stem cell (RAINBOW) study. The trial will start in 2016, and we hope that it will not only be helpful for treating patients but also for clarifying the therapeutic mechanisms. Moreover, we review stem cell therapeutics as an emerging paradigm in stroke (STEPS) and the guidelines for the development of cell therapy for stroke in the United States as well as introduce the development of new guidelines in Japan. These guidelines are expected to encourage the development of cell therapy for stroke management.
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Affiliation(s)
- Hideo Shichinohe
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine
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49
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Yao Y, Huang C, Gu P, Wen T. Combined MSC-Secreted Factors and Neural Stem Cell Transplantation Promote Functional Recovery of PD Rats. Cell Transplant 2016; 25:1101-13. [DOI: 10.3727/096368915x689938] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Stem cell transplantation has enormous potential for the treatment of neurodegenerative disorders like Parkinson's disease (PD). Mesenchymal stem cells (MSCs) have attracted much attention because they can secrete a wide variety of cellular factors that promote cell growth. In this study, we prepared a conditioned medium (CM) using lyophilized MSC culture medium that contained the secretome of MSCs and applied this CM to the culture of neural stem cells (CM-NSCs) for the transplantation of PD model rats. Quantitative realtime PCR, Western blot, and immunocytochemistry were used to identify cell differentiation and expression of dopaminergic neuron-specific genes in vitro. Behavioral tests including rotational behavior and MWM training tests were also performed to assess the recovery. Our results indicated that combined treatment of CM and neural stem cell transplantation can significantly reduce apomorphine-induced rotational asymmetry and improve spatial learning ability. The CM-NSCs were able to differentiate into dopaminergic neurons in the ventral tegmental area (VTA) and medial forebrain bundle (MFB), and migrated around the lesion site. They showed a higher activity than untreated NSCs in cell survival, migration, and behavior improvement in the dopa-deficit rat model. These findings suggest that the neural stem cells treated with conditioned medium possess a great potential as a graft candidate for the treatment of Parkinson's disease.
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Affiliation(s)
- Yuan Yao
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai, China
| | - Chen Huang
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai, China
| | - Ping Gu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Tieqiao Wen
- Laboratory of Molecular Neural Biology, School of Life Sciences, Shanghai University, Shanghai, China
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50
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Badner A, Vawda R, Laliberte A, Hong J, Mikhail M, Jose A, Dragas R, Fehlings M. Early Intravenous Delivery of Human Brain Stromal Cells Modulates Systemic Inflammation and Leads to Vasoprotection in Traumatic Spinal Cord Injury. Stem Cells Transl Med 2016; 5:991-1003. [PMID: 27245367 DOI: 10.5966/sctm.2015-0295] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 03/07/2016] [Indexed: 12/19/2022] Open
Abstract
UNLABELLED : Spinal cord injury (SCI) is a life-threatening condition with multifaceted complications and limited treatment options. In SCI, the initial physical trauma is closely followed by a series of secondary events, including inflammation and blood spinal cord barrier (BSCB) disruption, which further exacerbate injury. This secondary pathology is partially mediated by the systemic immune response to trauma, in which cytokine production leads to the recruitment/activation of inflammatory cells. Because early intravenous delivery of mesenchymal stromal cells (MSCs) has been shown to mitigate inflammation in various models of neurologic disease, this study aimed to assess these effects in a rat model of SCI (C7-T1, 35-gram clip compression) using human brain-derived stromal cells. Quantitative polymerase chain reaction for a human-specific DNA sequence was used to assess cell biodistribution/clearance and confirmed that only a small proportion (approximately 0.001%-0.002%) of cells are delivered to the spinal cord, with the majority residing in the lung, liver, and spleen. Intriguingly, although cell populations drastically declined in all aforementioned organs, there remained a persistent population in the spleen at 7 days. Furthermore, the cell infusion significantly increased splenic and circulating levels of interleukin-10-a potent anti-inflammatory cytokine. Through this suppression of the systemic inflammatory response, the cells also reduced acute spinal cord BSCB permeability, hemorrhage, and lesion volume. These early effects further translated into enhanced functional recovery and tissue sparing 10 weeks after SCI. This work demonstrates an exciting therapeutic approach whereby a minimally invasive cell-transplantation procedure can effectively reduce secondary damage after SCI through systemic immunomodulation. SIGNIFICANCE Central nervous system pericytes (perivascular stromal cells) have recently gained significant attention within the scientific community. In addition to being recognized as major players in neurotrauma, pericytes have been discovered to share a common origin and potentially function with traditionally defined mesenchymal stromal cells (MSCs). Although there have been several in vitro comparisons, the in vivo therapeutic application of human brain-derived stromal cells has not been previously evaluated. This study demonstrates that these cells not only display a MSC phenotype in vitro but also have similar in vivo immunomodulatory effects after spinal cord injury that are more potent than those of non-central nervous system tissue-derived cells. Therefore, these cells are of great interest for therapeutic use in spinal cord injury.
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Affiliation(s)
- Anna Badner
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Ontario, Canada
| | - Reaz Vawda
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada
| | - Alex Laliberte
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Ontario, Canada
| | - James Hong
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Ontario, Canada
| | - Mirriam Mikhail
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada
| | - Alejandro Jose
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada
| | - Rachel Dragas
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Ontario, Canada
| | - Michael Fehlings
- Division of Genetics and Development, Toronto Western Research Institute, University Health Network, Toronto, Toronto, Ontario, Canada Institute of Medical Science, University of Toronto, Ontario, Canada Spinal Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada
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