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Ding N, Luo R, Zhang Q, Li H, Zhang S, Chen H, Hu R. Current Status and Progress in Stem Cell Therapy for Intracerebral Hemorrhage. Transl Stroke Res 2023:10.1007/s12975-023-01216-7. [PMID: 38001353 DOI: 10.1007/s12975-023-01216-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023]
Abstract
Intracerebral hemorrhage is a highly prevalent and prognostically poor disease, imposing immeasurable harm on human life and health. However, the treatment options for intracerebral hemorrhage are severely limited, particularly in terms of improving the microenvironment of the lesion, promoting neuronal cell survival, and enhancing neural function. This review comprehensively discussed the application of stem cell therapy for intracerebral hemorrhage, providing a systematic summary of its developmental history, types of transplants, transplantation routes, and transplantation timing. Moreover, this review presented the latest research progress in enhancing the efficacy of stem cell transplantation, including pretransplantation preconditioning, genetic modification, combined therapy, and other diverse strategies. Furthermore, this review pioneeringly elaborated on the barriers to clinical translation for stem cell therapy. These discussions were of significant importance for promoting stem cell therapy for intracerebral hemorrhage, facilitating its clinical translation, and improving patient prognosis.
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Affiliation(s)
- Ning Ding
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Ran Luo
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Qian Zhang
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Huanhuan Li
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Shuixian Zhang
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Huanran Chen
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Rong Hu
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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Takamiya S, Kawabori M, Fujimura M. Stem Cell Therapies for Intracerebral Hemorrhage: Review of Preclinical and Clinical Studies. Cell Transplant 2023; 32:9636897231158153. [PMID: 36823970 PMCID: PMC9969479 DOI: 10.1177/09636897231158153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
Despite recent developments in the treatments for ischemic stroke, such as tissue plasminogen activator (t-PA) and thrombectomy, effective therapies for intracerebral hemorrhage (ICH) remain scarce. Stem cell therapies have attracted considerable attention owing to their potential neuro-regenerative ability; preclinical and clinical studies have been conducted to explore strategies for achieving functional recovery following ICH. In this review, we summarize the findings of preclinical studies on stem cell therapies of ICH, with a focus on different animal models, stem cell sources, transplantation methods, and their potential mechanisms of action. We also provide an overview of data from clinical trials to discuss the current status and future perspectives. Understanding the effectiveness and limitations of stem cell therapy and the future prospects could expand the applications of this novel therapeutic approach for ICH.
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Affiliation(s)
- Soichiro Takamiya
- Department of Neurosurgery, Hokkaido University Hospital, Sapporo, Japan
| | - Masahito Kawabori
- Department of Neurosurgery, Hokkaido University Hospital, Sapporo, Japan
| | - Miki Fujimura
- Department of Neurosurgery, Hokkaido University Hospital, Sapporo, Japan
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3
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Shi X, Jiang X, Chen C, Zhang Y, Sun X. The interconnections between the microtubules and mitochondrial networks in cardiocerebrovascular diseases: Implications for therapy. Pharmacol Res 2022; 184:106452. [PMID: 36116706 DOI: 10.1016/j.phrs.2022.106452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/13/2022] [Accepted: 09/13/2022] [Indexed: 10/14/2022]
Abstract
Microtubules, a highly dynamic cytoskeleton, participate in many cellular activities including mechanical support, organelles interactions, and intracellular trafficking. Microtubule organization can be regulated by modification of tubulin subunits, microtubule-associated proteins (MAPs) or agents modulating microtubule assembly. Increasing studies demonstrate that microtubule disorganization correlates with various cardiocerebrovascular diseases including heart failure and ischemic stroke. Microtubules also mediate intracellular transport as well as intercellular transfer of mitochondria, a power house in cells which produce ATP for various physiological activities such as cardiac mechanical function. It is known to all that both microtubules and mitochondria participate in the progression of cancer and Parkinson's disease. However, the interconnections between the microtubules and mitochondrial networks in cardiocerebrovascular diseases remain unclear. In this paper, we will focus on the roles of microtubules in cardiocerebrovascular diseases, and discuss the interplay of mitochondria and microtubules in disease development and treatment. Elucidation of these issues might provide significant diagnostic value as well as potential targets for cardiocerebrovascular diseases.
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Affiliation(s)
- Xingjuan Shi
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China.
| | - Xuan Jiang
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China
| | - Congwei Chen
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China
| | - Yu Zhang
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing, China
| | - Xiaoou Sun
- Institute of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, China.
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Yang G, Fan X, Mazhar M, Yang S, Xu H, Dechsupa N, Wang L. Mesenchymal Stem Cell Application and Its Therapeutic Mechanisms in Intracerebral Hemorrhage. Front Cell Neurosci 2022; 16:898497. [PMID: 35769327 PMCID: PMC9234141 DOI: 10.3389/fncel.2022.898497] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/18/2022] [Indexed: 12/15/2022] Open
Abstract
Intracerebral hemorrhage (ICH), a common lethal subtype of stroke accounting for nearly 10–15% of the total stroke disease and affecting two million people worldwide, has a high mortality and disability rate and, thus, a major socioeconomic burden. However, there is no effective treatment available currently. The role of mesenchymal stem cells (MSCs) in regenerative medicine is well known owing to the simplicity of acquisition from various sources, low immunogenicity, adaptation to the autogenic and allogeneic systems, immunomodulation, self-recovery by secreting extracellular vesicles (EVs), regenerative repair, and antioxidative stress. MSC therapy provides an increasingly attractive therapeutic approach for ICH. Recently, the functions of MSCs such as neuroprotection, anti-inflammation, and improvement in synaptic plasticity have been widely researched in human and rodent models of ICH. MSC transplantation has been proven to improve ICH-induced injury, including the damage of nerve cells and oligodendrocytes, the activation of microglia and astrocytes, and the destruction of blood vessels. The improvement and recovery of neurological functions in rodent ICH models were demonstrated via the mechanisms such as neurogenesis, angiogenesis, anti-inflammation, anti-apoptosis, and synaptic plasticity. Here, we discuss the pathological mechanisms following ICH and the therapeutic mechanisms of MSC-based therapy to unravel new cues for future therapeutic strategies. Furthermore, some potential strategies for enhancing the therapeutic function of MSC transplantation have also been suggested.
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Affiliation(s)
- Guoqiang Yang
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Department of Acupuncture and Rehabilitation, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Xuehui Fan
- Key Laboratory of Medical Electrophysiology, Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention of Cardiovascular Diseases, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
- First Department of Medicine, Medical Faculty Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Mannheim, Germany
| | - Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Houping Xu
- Preventive Treatment Center, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Nathupakorn Dechsupa
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- *Correspondence: Nathupakorn Dechsupa,
| | - Li Wang
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
- Li Wang,
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Aronowski J, Sansing LH, Xi G, Zhang JH. Mechanisms of Damage After Cerebral Hemorrhage. Stroke 2022. [DOI: 10.1016/b978-0-323-69424-7.00008-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Arad M, Brown RA, Khatri R, Taylor RJ, Zalzman M. Direct differentiation of tonsillar biopsy-derived stem cells to the neuronal lineage. Cell Mol Biol Lett 2021; 26:38. [PMID: 34407767 PMCID: PMC8371824 DOI: 10.1186/s11658-021-00279-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 07/27/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Neurological disorders are considered one of the greatest burdens to global public health and a leading cause of death. Stem cell therapies hold great promise for the cure of neurological disorders, as stem cells can serve as cell replacement, while also secreting factors to enhance endogenous tissue regeneration. Adult human multipotent stem cells (MSCs) reside on blood vessels, and therefore can be found in many tissues throughout the body, including palatine tonsils. Several studies have reported the capacity of MSCs to differentiate into, among other cell types, the neuronal lineage. However, unlike the case with embryonic stem cells, it is unclear whether MSCs can develop into mature neurons. METHODS Human tonsillar MSCs (T-MSCs) were isolated from a small, 0.6-g sample, of tonsillar biopsies with high viability and yield as we recently reported. Then, these cells were differentiated by a rapid, multi-stage procedure, into committed, post-mitotic, neuron-like cells using defined conditions. RESULTS Here we describe for the first time the derivation and differentiation of tonsillar biopsy-derived MSCs (T-MSCs), by a rapid, multi-step protocol, into post-mitotic, neuron-like cells using defined conditions without genetic manipulation. We characterized our T-MSC-derived neuronal cells and demonstrate their robust differentiation in vitro. CONCLUSIONS Our procedure leads to a rapid neuronal lineage commitment and loss of stemness markers, as early as three days following neurogenic differentiation. Our studies identify biopsy-derived T-MSCs as a potential source for generating neuron-like cells which may have potential use for in vitro modeling of neurodegenerative diseases or cell replacement therapies.
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Affiliation(s)
- Michal Arad
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA
| | - Robert A Brown
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA
| | - Raju Khatri
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA
| | - Rodney J Taylor
- Marlene and Stewart Greenbaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.,Department of Otorhinolaryngology-Head and Neck Surgery, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Michal Zalzman
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 108 N. Greene Street, Baltimore, MD, 21201, USA. .,The Center for Stem Cell Biology and Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA. .,Marlene and Stewart Greenbaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD, 21201, USA. .,Department of Otorhinolaryngology-Head and Neck Surgery, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
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Singh M, Pandey PK, Bhasin A, Padma MV, Mohanty S. Application of Stem Cells in Stroke: A Multifactorial Approach. Front Neurosci 2020; 14:473. [PMID: 32581669 PMCID: PMC7296176 DOI: 10.3389/fnins.2020.00473] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/16/2020] [Indexed: 12/21/2022] Open
Abstract
Stroke has a debilitating effect on the human body and a serious negative effect on society, with a global incidence of one in every six people. According to the World Health Organization, 15 million people suffer stroke worldwide each year. Of these, 5 million die and another 5 million are permanently disabled. Motor and cognitive deficits like hemiparesis, paralysis, chronic pain, and psychomotor and behavioral symptoms can persist long term and prevent the patient from fully reintegrating into society, therefore continuing to add to the costly healthcare burden of stroke. Regenerative medicine using stem cells seems to be a panacea for sequelae after stroke. Stem cell-based therapy aids neuro-regeneration and neuroprotection for neurological recovery in patients. However, the use of stem cells as a therapy in stroke patients still needs a lot of research at both basic and translational levels. As well as the mode of action of stem cells in reversing the symptoms not being clear, there are several clinical parameters that need to be addressed before establishing stem cell therapy in stroke, such as the type of stem cells to be administered, the number of stem cells, the timing of dosage, whether dose-boosters are required, the route of administration, etc. There are upcoming prospects of cell-free therapy also by using exosomes derived from stem cells. There are several ongoing pre-clinical studies aiming to answer these questions. Despite still being in the development stage, stem cell therapy holds great potential for neurological rehabilitation in patients suffering from stroke.
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Affiliation(s)
- Manisha Singh
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
- Dr. Solomon H. Snyder Department of Neurosciences, Johns Hopkins University, Baltimore, MD, United States
| | - Pranav K. Pandey
- Dr. R.P. Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Ashu Bhasin
- Department of Neurosciences, All India Institute of Medical Sciences, New Delhi, India
| | - M. V. Padma
- Department of Neurosciences, All India Institute of Medical Sciences, New Delhi, India
| | - Sujata Mohanty
- Stem Cell Facility (DBT-Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, India
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Jiang Y, Wei K, Zhang X, Feng H, Hu R. White matter repair and treatment strategy after intracerebral hemorrhage. CNS Neurosci Ther 2019; 25:1113-1125. [PMID: 31578825 PMCID: PMC6823871 DOI: 10.1111/cns.13226] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 09/08/2019] [Accepted: 09/09/2019] [Indexed: 02/06/2023] Open
Abstract
The predilection site of intracerebral hemorrhage (ICH) is in the basal ganglia, which is rich in white matter (WM) fiber bundles, such as cerebrospinal tract in the internal capsule. ICH induced damage to this area can easily lead to severe neurological dysfunction and affects the prognosis and quality of life of patients. At present, the pathophysiological mechanisms of white matter injury (WMI) after ICH have attracted researchers' attention, but studies on the repair and recovery mechanisms and therapy strategies remain rare. In this review, we mainly summarized the WM recovery and treatment strategies after ICH by updating the WMI-related content by reviewing the latest researches and proposing the bottleneck of the current research.
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Affiliation(s)
- Yi‐Bin Jiang
- Department of NeurosurgerySouthwest HospitalThird Military Medical UniversityChongqingChina
| | - Kai‐Yan Wei
- Department of NeurosurgerySouthwest HospitalThird Military Medical UniversityChongqingChina
| | - Xu‐Yang Zhang
- Department of NeurosurgerySouthwest HospitalThird Military Medical UniversityChongqingChina
| | - Hua Feng
- Department of NeurosurgerySouthwest HospitalThird Military Medical UniversityChongqingChina
| | - Rong Hu
- Department of NeurosurgerySouthwest HospitalThird Military Medical UniversityChongqingChina
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Turnbull MT, Zubair AC, Meschia JF, Freeman WD. Mesenchymal stem cells for hemorrhagic stroke: status of preclinical and clinical research. NPJ Regen Med 2019; 4:10. [PMID: 31098299 PMCID: PMC6513857 DOI: 10.1038/s41536-019-0073-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 04/25/2019] [Indexed: 02/06/2023] Open
Abstract
Significant progress has been made during the past few decades in stem cell therapy research for various diseases and injury states; however this has not been overwhelmingly translated into approved therapies, despite much public attention and the rise in unregulated 'regenerative clinics'. In the last decade, preclinical research focusing on mesenchymal stem/stromal cell (MSC) therapy in experimental animal models of hemorrhagic stroke has gained momentum and has led to the development of a small number of human trials. Here we review the current studies focusing on MSC therapy for hemorrhagic stroke in an effort to summarize the status of preclinical and clinical research. Preliminary evidence indicates that MSCs are both safe and tolerable in patients, however future randomized controlled trials are required to translate the promising preclinical research into an effective therapy for hopeful patients.
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Affiliation(s)
| | - Abba C. Zubair
- Department of Laboratory Medicine and Pathology, Mayo Clinic Florida, Jacksonville, FL USA
| | - James F. Meschia
- Department of Neurology, Mayo Clinic Florida, Jacksonville, FL USA
| | - William D. Freeman
- Department of Neurology, Mayo Clinic Florida, Jacksonville, FL USA
- Department of Neurologic Surgery, Mayo Clinic Florida, Jacksonville, FL USA
- Department of Critical Care Medicine, Mayo Clinic Florida, Jacksonville, FL USA
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Li G, Yu H, Liu N, Zhang P, Tang Y, Hu Y, Zhang Y, Pan C, Deng H, Wang J, Li Q, Tang Z. Overexpression of CX3CR1 in Adipose-Derived Stem Cells Promotes Cell Migration and Functional Recovery After Experimental Intracerebral Hemorrhage. Front Neurosci 2019; 13:462. [PMID: 31133793 PMCID: PMC6517499 DOI: 10.3389/fnins.2019.00462] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 04/24/2019] [Indexed: 12/13/2022] Open
Abstract
Stem cell therapy has emerged as a new promising therapeutic strategy for intracerebral hemorrhage (ICH). However, the efficiency of stem cell therapy is partially limited by low retention and engraftment of the delivered cells. Therefore, it’s necessary to improve the migration ability of stem cells to the injured area in order to save the costs and duration of cell preparation. This study aimed to investigate whether overexpression of CX3CR1, the specific receptor of chemokine fractalkine (FKN), in adipose-derived stem cells (ADSCs) can stimulate the cell migration to the injured area in the brain, improve functional recovery and protect against cell death following experimental ICH. ADSCs were isolated from subcutaneous adipose tissues of rats. ICH was induced by means of an injection of collagenase type VII. ELISA showed that the expression levels of fractalkine/FKN were increased at early time points, with a peak at day 3 after ICH. And it was found that different passages of ADSCs could express the chemokine receptor CX3CR1. Besides, the chemotactic movements of ADSCs toward fractalkine have been verified by transwell migration assay. ADSCs overexpressing CX3CR1 were established through lentivirus transfection. We found that after overexpression of CX3CR1 receptor, the migration ability of ADSCs was increased both in vitro and in vivo. In addition, reduced cell death and improved sensory and motor functions were seen in the mice ICH model. Thus, ADSCs overexpression CX3CR1 might be taken as a promising therapeutic strategy for the treatment of ICH.
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Affiliation(s)
- Gaigai Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haihan Yu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Na Liu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yingxin Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Hu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ye Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chao Pan
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hong Deng
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahui Wang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhouping Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Zhang Y, Deng H, Hu Y, Pan C, Wu G, Li Q, Tang Z. Adipose-derived mesenchymal stem cells stereotactic transplantation alleviate brain edema from intracerebral hemorrhage. J Cell Biochem 2019; 120:14372-14382. [PMID: 30963640 DOI: 10.1002/jcb.28693] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 02/25/2019] [Accepted: 02/28/2019] [Indexed: 02/06/2023]
Abstract
Adipose-derived mesenchymal stromal cells (ADSCs) exhibited high potential in tissue repair and regeneration, and it has been proved that ADSCs could protect brain cells from apoptosis and maintaining blood-brain barrier stability after cerebral vascular disease. In this study, we evaluated the therapeutic potential and mechanism of ADSCs stereotactic transplantation in intracerebral hemorrhage (ICH) mice model and hemin-treated astrocytes. Mice were divided into three groups: sham group, ICH + PBS group, and ICH + ADSC group. Mice in ICH + ADSC group received ADSCs cell suspension stereotactic transplantation into the area beside the bleeding region. Astrocytes were divided into three groups: control group, hemin group, and hemin + ADSC group. Astrocytes in hemin + ADSC group were cultured in ADSCs-astrocyte no-contact coculture system and treated with 30 μM hemin solution. The results showed that ADSCs stereotactic transplantation improved functional outcomes and reduced cell apoptosis after ICH. Moreover, ADSCs stereotactic transplantation could alleviate brain edema and inflammation and AQP4 protein expression contributed to the alleviation of brain edema. In addition, mitogen-activated protein kinase (MAPK) pathways, including p38/MAPK pathway and c-Jun N-terminal kinase pathway, were involved in AQP4 modulation by ADSCs transplantation in ICH. In conclusion, ADSCs transplantation could alleviate the nervous tissue injury, reduce cell apoptosis, and relieve brain edema in ICH. And the edema regulation effect of ADSCs transplantation is associated with inhibition of inflammation and AQP4 protein expression.
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Affiliation(s)
- Ye Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Hong Deng
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yang Hu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Chao Pan
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Guofeng Wu
- Department of Emergency, Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Zhouping Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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Kumar M, Bhoi S, Sharma K. Human-induced pluripotent stem cells derived hematopoietic progenitor cells for treatment of hematopoietic failure among trauma hemorrhagic shock patients. J Clin Orthop Trauma 2019; 10:269-273. [PMID: 30828191 PMCID: PMC6383080 DOI: 10.1016/j.jcot.2018.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/11/2018] [Accepted: 04/17/2018] [Indexed: 11/19/2022] Open
Abstract
Hematopoietic failure (HF) has been observed in trauma hemorrhagic shock (T/HS) patients. Multiple factors are involved. Elevated serum levels of cytokines, catecholamine, granulocyte colony stimulating factor, peripheral blood hematopoietic progenitor cells (HPCs) and decreased expression of erythropoietin receptor are associated with HF among T/HS. HF leads to anaemia, susceptibility to infection, sepsis and multi-organ failure. There is a lack of molecular understanding of HF and its potential therapeutic strategies. Cell-based therapy has ability to modulate the production of inflammatory cytokines, vascular dysfunction, tissue damage and apoptosis. Human-induced pluripotent stem cells (iPSC) derived HPCs may have the ability to restore HF in T/HS. Autologous cell-based iPSC have great promises for various diseases such as Alzheimer's disease, Parkinson's disease, cardiovascular disease, diabetes, amyotrophic lateral sclerosis, and spinal cord injury without ethical concerns. Similarly, treatment with iPSC derived hematopoietic stem cells can used for the treatment of HF among T/HS and may also improve the outcome. Here, we review the potential of human iPSC derived HSC to reversed HF following T/HS.
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Affiliation(s)
- Manoj Kumar
- Department of Emergency Medicine, JPN Apex Trauma Centre, AIIMS, New Delhi, 110029, India
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13
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Kuramoto Y, Takagi T, Tatebayashi K, Beppu M, Doe N, Fujita M, Yoshimura S. Intravenous administration of human adipose-derived stem cells ameliorates motor and cognitive function for intracerebral hemorrhage mouse model. Brain Res 2019; 1711:58-67. [PMID: 30615889 DOI: 10.1016/j.brainres.2018.12.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 12/19/2018] [Accepted: 12/28/2018] [Indexed: 12/25/2022]
Abstract
Even today, intracerebral hemorrhage (ICH) is a major cause of death and disabilities. Rehabilitation is preferentially applied for functional recovery although its effect is limited. Recent studies have suggested that intravenous administration of mesenchymal stem cells would improve the post-ICH neurological deficits. Human adipose-derived stem cells (hADSCs) have been established in our laboratory. We aimed to evaluate the therapeutic efficacy of the hADSCs on the post-ICH neurological deficits using a clinical-relevant ICH mouse model. We also evaluated immune responses to clarify the underlying mechanisms. The hADSCs expressed MSC markers at high levels. The hADSCs administration into the ICH-bearing mice improved the neurological deficits during the subacute phases, which was shown by neurobehavioral experiments. Besides, the hADSC administration decreased the number of CD11+CD45+ cells and increased the proportion of CD86+ and Ly6C+ cells in the ICH lesions. In summary, intravenous administration of hADSCs during the acute phase improved ICH-induced neurological deficits during the subacute phase because of the suppression of acute inflammation mediated by CD11+CD45+ subpopulations. Our data suggest that hADSCs can be served as a novel strategy for ICH treatment.
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Affiliation(s)
- Yoji Kuramoto
- Department of Neurosurgery, Hyogo College of Medicine, Hyogo 663-8501, Japan
| | - Toshinori Takagi
- Department of Neurosurgery, Hyogo College of Medicine, Hyogo 663-8501, Japan
| | - Kotaro Tatebayashi
- Department of Neurosurgery, Hyogo College of Medicine, Hyogo 663-8501, Japan
| | - Mikiya Beppu
- Department of Neurosurgery, Hyogo College of Medicine, Hyogo 663-8501, Japan
| | - Nobutaka Doe
- Laboratory of Neurogenesis and CNS Repair, Hyōgo College of Medicine, Hyogo 663-8501, Japan; General Education Center, Hyogo University of Health Science, Hyogo 650-8530, Japan
| | - Mitsugu Fujita
- Department of Microbiology, Kindai University, Faculty of Medicine, Osaka 589-8511, Japan.
| | - Shinichi Yoshimura
- Department of Neurosurgery, Hyogo College of Medicine, Hyogo 663-8501, Japan.
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Gao L, Xu W, Li T, Chen J, Shao A, Yan F, Chen G. Stem Cell Therapy: A Promising Therapeutic Method for Intracerebral Hemorrhage. Cell Transplant 2018; 27:1809-1824. [PMID: 29871521 PMCID: PMC6300771 DOI: 10.1177/0963689718773363] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/09/2018] [Accepted: 04/02/2018] [Indexed: 12/28/2022] Open
Abstract
Spontaneous intracerebral hemorrhage (ICH) is one type of the most devastating cerebrovascular diseases worldwide, which causes high morbidity and mortality. However, efficient treatment is still lacking. Stem cell therapy has shown good neuroprotective and neurorestorative effect in ICH and is a promising treatment. In this study, our aim was to review the therapeutic effects, strategies, related mechanisms and safety issues of various types of stem cell for ICH treatment. Numerous studies had demonstrated the therapeutic effects of diverse stem cell types in ICH. The potential mechanisms include tissue repair and replacement, neurotrophy, promotion of neurogenesis and angiogenesis, anti-apoptosis, immunoregulation and anti-inflammation and so forth. The microenvironment of the central nervous system (CNS) can also influence the effects of stem cell therapy. The detailed therapeutic strategies for ICH treatment such as cell type, the number of cells, time window, and the routes of medication delivery, varied greatly among different studies and had not been determined. Moreover, the safety issues of stem cell therapy for ICH should not be ignored. Stem cell therapy showed good therapeutic effect in ICH, making it a promising treatment. However, safety should be carefully evaluated, and more clinical trials are required before stem cell therapy can be extensively applied to clinical use.
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Affiliation(s)
- Liansheng Gao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
| | - Weilin Xu
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
| | - Tao Li
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
| | - Jingyin Chen
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
| | - Anwen Shao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
| | - Feng Yan
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
| | - Gao Chen
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China
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15
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Sugiyama Y, Sato Y, Kitase Y, Suzuki T, Kondo T, Mikrogeorgiou A, Horinouchi A, Maruyama S, Shimoyama Y, Tsuji M, Suzuki S, Yamamoto T, Hayakawa M. Intravenous Administration of Bone Marrow-Derived Mesenchymal Stem Cell, but not Adipose Tissue-Derived Stem Cell, Ameliorated the Neonatal Hypoxic-Ischemic Brain Injury by Changing Cerebral Inflammatory State in Rat. Front Neurol 2018; 9:757. [PMID: 30254603 PMCID: PMC6141968 DOI: 10.3389/fneur.2018.00757] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 08/20/2018] [Indexed: 01/17/2023] Open
Abstract
Perinatal hypoxic-ischemic (HI) brain injury occurs in 1 in 1,000 live births and remains the main cause of neurological disability and death in term infants. Cytotherapy has recently emerged as a novel treatment for tissue injury. In particular, mesenchymal stem cells (MSCs) are thought to have therapeutic potential, but little is known about the differences according to their origin. In the current study, we investigated the therapeutic effects and safety of intravenous injection of allogeneic bone marrow-derived MSCs (BM-MSCs) and adipose-derived stem cells (ADSCs) in a rat model of HI brain injury. HI models were generated by ligating the left carotid artery of postnatal day 7 Wistar/ST rats and exposing them to 8% hypoxia for 60 min. Bone marrow and adipose tissue were harvested from adult green fluorescent protein transgenic Wistar rats, and cells were isolated and cultured to develop BM-MSCs and ADSCs. At passaging stages 2–3, 1 × 105 cells were intravenously injected into the external right jugular vein of the HI rats at 4 or 24 h after hypoxia. Brain damage was evaluated by counting the number of cells positive for active caspase-3 in the entire dentate gyrus. Microglial isotypes and serum cytokines/chemokines were also evaluated. Distribution of each cell type after intravenous injection was investigated pathologically and bio-optically by ex vivo imaging (IVIS®) with a fluorescent lipophilic tracer DiR. The mortality rate was higher in the ADSC group compared to the BM-MSC group, in pups injected with cells 4 h after hypoxia. The number of active caspase-3-positive cells significantly decreased in the BM-MSC group, and the percentage of M1 microglia (a proinflammatory isotype) was also lower in the BM-MSC vs control group in the penumbra of the cortex. Moreover, BM-MSC administration increased anti-inflammatory cytokine and growth factor levels, while ADSCs did not. Each injected cell type was mainly distributed in the lungs and liver, but ADSCs remained in the lungs longer. Pathologically, pulmonary embolisms and diffuse alveolar hemorrhages were seen in the ADSC group. These results indicated that injection of allogeneic BM-MSCs ameliorated neonatal HI brain injury, whereas ADSCs induced severe lung hemorrhage and higher mortality.
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Affiliation(s)
- Yuichiro Sugiyama
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Yoshiaki Sato
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
| | - Yuma Kitase
- 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
| | - Taiki Kondo
- 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
| | - Asuka Horinouchi
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shoichi Maruyama
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshie Shimoyama
- Pathology and Clinical Laboratories, Nagoya University Hospital, Nagoya, Japan
| | - Masahiro Tsuji
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Satoshi Suzuki
- Center for Advanced Medicine and Clinical Research, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tokunori Yamamoto
- Center for Advanced Medicine and Clinical Research, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Urology, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Laboratory for Clinical Application of Adipose-Derived Regenerative Cells, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masahiro Hayakawa
- Division of Neonatology, Center for Maternal-Neonatal Care, Nagoya University Hospital, Nagoya, Japan
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Evaluation of the Safety and Efficacy of the Therapeutic Potential of Adipose-Derived Stem Cells Injected in the Cerebral Ischemic Penumbra. J Stroke Cerebrovasc Dis 2018; 27:2453-2465. [PMID: 30029838 DOI: 10.1016/j.jstrokecerebrovasdis.2018.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 04/24/2018] [Accepted: 05/01/2018] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION Stroke represents an attractive target for cell therapy. Although different types of cells have been employed in animal models with variable results, the human adipose-derived stem cells (hASCs) have demonstrated favorable characteristics in the treatment of diseases with inflammatory substrate, but experience in their intracerebral administration is lacking. The purpose of this study is to evaluate the effect and safety of the intracerebral application of hASCs in a stroke model. METHODS A first group of Athymic Nude mice after stroke received a stereotactic injection of hASCs at a concentration of 4 × 104/µL at the penumbra area, a second group without stroke received the same cell concentration, and a third group had only stroke and no cells. After 7, 15, and 30 days, the animals underwent fluorodeoxyglucose-positron emission tomography and magnetic resonance imaging; subsequently, they were sacrificed for histological evaluation (HuNu, GFAP, IBA-1, Ki67, DCX) of the penumbra area and ipsilateral subventricular zone (iSVZ). RESULTS The in vitro studies found no alterations in the molecular karyotype, clonogenic capacity, and expression of 62 kDa transcription factor and telomerase. Animals implanted with cells showed no adverse events. The implanted cells showed no evidence of proliferation or differentiation. However, there was an increase of capillaries, less astrocytes and microglia, and increased bromodeoxyuridine and doublecortin-positive cells in the iSVZ and in the vicinity of ischemic injury. CONCLUSIONS These results suggest that hASCs in the implanted dose modulate inflammation, promote endogenous neurogenesis, and do not proliferate or migrate in the brain. These data confirm the safety of cell therapy with hASCs.
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Kwak KA, Lee SP, Yang JY, Park YS. Current Perspectives regarding Stem Cell-Based Therapy for Alzheimer's Disease. Stem Cells Int 2018; 2018:6392986. [PMID: 29686714 PMCID: PMC5852851 DOI: 10.1155/2018/6392986] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 01/15/2018] [Indexed: 02/07/2023] Open
Abstract
Alzheimer's disease (AD), a progressive neurodegenerative disorder featuring memory loss and cognitive impairment, is caused by synaptic failure and the excessive accumulation of misfolded proteins. Many unsuccessful attempts have been made to develop new small molecules or antibodies to intervene in the disease's pathogenesis. Stem cell-based therapies cast a new hope for AD treatment as a replacement or regeneration strategy. The results from recent preclinical studies regarding stem cell-based therapies are promising. Human clinical trials are now underway. However, a number of questions remain to be answered prior to safe and effective clinical translation. This review explores the pathophysiology of AD and summarizes the relevant stem cell research according to cell type. We also briefly summarize related clinical trials. Finally, future perspectives are discussed with regard to their clinical applications.
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Affiliation(s)
- Kyeong-Ah Kwak
- Department of Oral Anatomy, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Seung-Pyo Lee
- Department of Oral Anatomy, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Jin-Young Yang
- Department of Dental Hygiene, Daejeon Institute of Science and Technology, Daejeon, Republic of Korea
| | - Young-Seok Park
- Department of Oral Anatomy, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
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18
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Zhong Z, Gu H, Peng J, Wang W, Johnstone BH, March KL, Farlow MR, Du Y. GDNF secreted from adipose-derived stem cells stimulates VEGF-independent angiogenesis. Oncotarget 2018; 7:36829-36841. [PMID: 27167204 PMCID: PMC5095042 DOI: 10.18632/oncotarget.9208] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 04/16/2016] [Indexed: 01/08/2023] Open
Abstract
Adipose tissue stroma contains a population of mesenchymal stem cells (MSC) promote new blood vessel formation and stabilization. These adipose-derived stem cells (ASC) promote de novo formation of vascular structures in vitro. We investigated the angiogenic factors secreted by ASC and discovered that glial-derived neurotrophic factor (GDNF) is a key mediator for endothelial cell network formation. It was found that both GDNF alone or present in ASC-conditioned medium (ASC-CM) stimulated capillary network formation by using human umbilical vein endothelial cells (HUVECs) and such an effect was totally independent of vascular endothelial growth factor (VEGF) activity. Additionally, we showed stimulation of capillary network formation by GDNF, but not VEGF, could be blocked by the Ret (rearranged during transfection) receptor antagonist RPI-1, a GDNF signaling inhibitor. Furthermore, GDNF were found to be overexpressed in cancer cells that were resistant to the anti-angiogenic treatment using the VEGF antibody. Cancer cells in the liver hepatocellular carcinoma (HCC), a non-nervous related cancer, highly overexpressed GDNF as compared to normal liver cells. Our data strongly suggest that, in addition to VEGF, GDNF secreted by ASC and HCC cells, may be another important factor promoting pathological neovascularization. Thus, GDNF may be a potential therapeutic target for HCC and obesity treatments.
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Affiliation(s)
- Zhaohui Zhong
- Department of General Surgery, Peking University People's Hospital, Beijing 100044, PR China.,Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Huiying Gu
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Jirun Peng
- Department of Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, PR China.,Ninth Clinical Medical College of Peking University, Beijing 100038, PR China
| | - Wenzheng Wang
- Department of General Surgery, Peking University People's Hospital, Beijing 100044, PR China
| | - Brian H Johnstone
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,Indiana Center for Vascular Biology and Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Keith L March
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,Indiana Center for Vascular Biology and Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,Krannert Institute of Cardiology, Indianapolis, IN 46202, USA.,VA Center for Regenerative Medicine, Indina University School of Medicine, Indianapolis, IN 46202, USA
| | - Martin R Farlow
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Yansheng Du
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.,School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA
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19
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Tsang KS, Ng CPS, Zhu XL, Wong GKC, Lu G, Ahuja AT, Wong KSL, Ng HK, Poon WS. Phase I/II randomized controlled trial of autologous bone marrow-derived mesenchymal stem cell therapy for chronic stroke. World J Stem Cells 2017; 9:133-143. [PMID: 28928910 PMCID: PMC5583532 DOI: 10.4252/wjsc.v9.i8.133] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 03/18/2017] [Accepted: 07/17/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To examine the safety and efficacy of mesenchymal stem cell (MSC) therapy for intracerebral haemorrhage with neurological dysfunctions for a year.
METHODS MSC were ex vivo expanded from 29 mL (17-42 mL) autologous bone marrow. Patients were randomized to have two intravenous injections of autologous MSC or placebos in four weeks apart. Neurological functions and clinical outcomes were monitored before treatment and at 12th, 16th, 24th, 36th and 60th week upon completion of the treatment.
RESULTS A mean of 4.57 × 107 (range: 1.43 × 107-8.40 × 107) MSC per infusion was administered accounting to 8.54 × 105 (2.65 × 105-1.45 × 106) per kilogram body weight in two occasions. There was neither adverse event at time of administration nor sign of de novo tumour development among patients after monitoring for a year post MSC therapy. Neuro-restoration and clinical improvement in terms of modified Barthel index, functional independence measure and extended Glasgow Outcome Scale were evident among patients having MSC therapy compared to patients receiving placebos.
CONCLUSION Intravenous administration of autologous bone marrow-derived MSC is safe and has the potential of improving neurological functions in chronic stroke patients with severe disability.
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Affiliation(s)
- Kam Sze Tsang
- Department of Surgery, the Chinese University of Hong Kong, Hong Kong, China
- Department of Anatomical and Cellular Pathology, the Chinese University of Hong Kong, Hong Kong, China
| | | | - Xian Lun Zhu
- Department of Surgery, the Chinese University of Hong Kong, Hong Kong, China
| | | | - Gang Lu
- Department of Surgery, the Chinese University of Hong Kong, Hong Kong, China
| | - Anil Tejbhan Ahuja
- Department of Imaging and Interventional Radiology, the Chinese University of Hong Kong, Hong Kong, China
| | - Ka Sing Lawrence Wong
- Department of Medicine and Therapeutics, the Chinese University of Hong Kong, Hong Kong, China
| | - Ho Keung Ng
- Department of Anatomical and Cellular Pathology, the Chinese University of Hong Kong, Hong Kong, China
| | - Wai Sang Poon
- Department of Surgery, the Chinese University of Hong Kong, Hong Kong, China
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20
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Mechanisms of Cerebral Hemorrhage. Stroke 2016. [DOI: 10.1016/b978-0-323-29544-4.00008-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Balolong E, Lee S, Nemeno JG, Lee JI. Are They Really Stem Cells? Scrutinizing the Identity of Cells and the Quality of Reporting in the Use of Adipose Tissue-Derived Stem Cells. Stem Cells Int 2015; 2016:2302430. [PMID: 26798353 PMCID: PMC4700199 DOI: 10.1155/2016/2302430] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 09/05/2015] [Accepted: 09/09/2015] [Indexed: 12/24/2022] Open
Abstract
There is an increasing concern that the term adipose tissue-derived stem cell (ASC) is inappropriately used to refer to the adipose stromal vascular fraction (SVF). To evaluate the accuracy and quality of reporting, 116 manuscripts on the application of ASC in humans and animals were examined based on the 2013 published International Federation for Adipose Therapeutics and Science (IFATS)/ International Society for Cellular Therapy (ISCT) joint statement and in reference to current guidelines for clinical trials and preclinical studies. It is disconcerting that 4 among the 47 papers or 8.51% (CI 2.37-20.38) surveyed after publication of IFATS/ISCT statement reported using ASCs but in fact they used unexpanded cells. 28/47 or 59.57% (CI 44.27-73.63) explicitly reported that adherent cells were used, 35/47 or 74.47% (CI 59.65-86.06) identified expression of surface markers, and 25/47 or 53.19% (CI 14.72-30.65) verified the multilineage potential of the cells. While there are a number of papers examined in this survey that were not able to provide adequate information on the characteristics of ASCs used with some erroneously referring to the SVF as stem cells, there are more room for improvement in the quality of reporting in the application of ASCs in humans and animals.
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Affiliation(s)
- Ernesto Balolong
- Regenerative Medicine Laboratory, Center for Stem Cell Research, Department of Biomedical Science and Technology, Institute of Biomedical Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Soojung Lee
- Regenerative Medicine Laboratory, Center for Stem Cell Research, Department of Biomedical Science and Technology, Institute of Biomedical Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
- Regeniks Co., Ltd., Seoul, Republic of Korea
| | - Judee Grace Nemeno
- Regenerative Medicine Laboratory, Center for Stem Cell Research, Department of Biomedical Science and Technology, Institute of Biomedical Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Jeong Ik Lee
- Regenerative Medicine Laboratory, Center for Stem Cell Research, Department of Biomedical Science and Technology, Institute of Biomedical Science and Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
- Department of Veterinary Medicine, College of Veterinary Medicine, Konkuk University, Seoul 143-701, Republic of Korea
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22
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Cordeiro MF, Horn AP. Stem cell therapy in intracerebral hemorrhage rat model. World J Stem Cells 2015; 7:618-629. [PMID: 25914768 PMCID: PMC4404396 DOI: 10.4252/wjsc.v7.i3.618] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 12/03/2014] [Accepted: 12/19/2014] [Indexed: 02/06/2023] Open
Abstract
Intracerebral hemorrhage (ICH) is a very complex pathology, with many different not fully elucidated etiologies and prognostics. It is the most severe subtype of stroke, with high mortality and morbidity rates. Unfortunately, despite the numerous promising preclinical assays including neuroprotective, anti-hypertensive, and anti-inflammatory drugs, to this moment only symptomatic treatments are available, motivating the search for new alternatives. In this context, stem cell therapy emerged as a promising tool. However, more than a decade has passed, and there is still much to be learned not only about stem cells, but also about ICH itself, and how these two pieces come together. To date, rats have been the most widely used animal model in this research field, and there is much more to be learned from and about them. In this review, we first summarize ICH epidemiology, risk factors, and pathophysiology. We then present different methods utilized to induce ICH in rats, and examine how accurately they represent the human disease. Next, we discuss the different types of stem cells used in previous ICH studies, also taking into account the tested transplantation sites. Finally, we summarize what has been achieved in assays with stem cells in rat models of ICH, and point out some relevant issues where attention must be given in future efforts.
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Sun J, Wei ZZ, Gu X, Zhang JY, Zhang Y, Li J, Wei L. Intranasal delivery of hypoxia-preconditioned bone marrow-derived mesenchymal stem cells enhanced regenerative effects after intracerebral hemorrhagic stroke in mice. Exp Neurol 2015; 272:78-87. [PMID: 25797577 DOI: 10.1016/j.expneurol.2015.03.011] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 03/10/2015] [Accepted: 03/13/2015] [Indexed: 12/11/2022]
Abstract
Intracerebral hemorrhagic stroke (ICH) causes high mortality and morbidity with very limited treatment options. Cell-based therapy has emerged as a novel approach to replace damaged brain tissues and promote regenerative processes. In this study we tested the hypothesis that intranasally delivered hypoxia-preconditioned BMSCs could reach the brain, promote tissue repair and improve functional recovery after ICH. Hemorrhagic stroke was induced in adult C57/B6 mice by injection of collagenase IV into the striatum. Animals were randomly divided into three groups: sham group, intranasal BMSC treatment group, and vehicle treatment group. BMSCs were pre-treated with hypoxic preconditioning (HP) and pre-labeled with Hoechst before transplantation. Behavior tests, including the mNSS score, rotarod test, adhesive removal test, and locomotor function evaluation were performed at varying days, up to 21days, after ICH to evaluate the therapeutic effects of BMSC transplantation. Western blots and immunohistochemistry were performed to analyze the neurotrophic effects. Intranasally delivered HP-BMSCs were identified in peri-injury regions. NeuN+/BrdU+ co-labeled cells were markedly increased around the hematoma region, and growth factors, including BDNF, GDNF, and VEGF were significantly upregulated in the ICH brain after BMSC treatment. The BMSC treatment group showed significant improvement in behavioral performance compared with the vehicle group. Our data also showed that intranasally delivered HP-BMSCs migrated to peri-injury regions and provided growth factors to increase neurogenesis after ICH. We conclude that intranasal administration of BMSC is an effective treatment for ICH, and that it enhanced neuroregenerative effects and promoted neurological functional recovery after ICH. Overall, the investigation supports the potential therapeutic strategy for BMSC transplantation therapy against hemorrhagic stroke.
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Affiliation(s)
- Jinmei Sun
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Zheng Zachory Wei
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Xiaohuan Gu
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - James Ya Zhang
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Yongbo Zhang
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Jimei Li
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
| | - Ling Wei
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Laboratories of Stem Cell Biology and Neural Regeneration and Function Recovery, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA 30322, USA; Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA.
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24
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Tian G, Zhou J, Wang J, Xu B, Li L, Zhu F, Han J, Li J, Zhang S, Luo X. Neuronal differentiation of adipose-derived stem cells and their transplantation for cerebral ischemia. Neural Regen Res 2015; 7:1992-9. [PMID: 25624830 PMCID: PMC4298895 DOI: 10.3969/j.issn.1673-5374.2012.25.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Accepted: 08/06/2012] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE To review published data on the biological characteristics, differentiation and applications of adipose-derived stem cells in ischemic diseases. DATA RETRIEVAL A computer-based online search of reports published from January 2005 to June 2012 related to the development of adipose-derived stem cells and their transplantation for treatment of cerebral ischemia was performed in Web of Science using the key words "adipose-derived stem cells", "neural-like cells", "transplantation", "stroke", and "cerebral ischemia". SELECTION CRITERIA The documents associated with the development of adipose-derived stem cells and their transplantation for treatment of cerebral ischemia were selected, and those published in the last 3-5 years or in authoritative journals were preferred in the same field. Totally 89 articles were obtained in the initial retrieval, of which 53 were chosen based on the inclusion criteria. MAIN OUTCOME MEASURES Biological characteristics and induced differentiation of adipose-derived stem cells and cell transplantation for disease treatment as well as the underlying mechanism of clinical application. RESULTS The advantages of adipose-derived stem cells include their ease of procurement, wide availability, rapid expansion, low tumorigenesis, low immunogenicity, and absence of ethical constraints. Preclinical experiments have demonstrated that transplanted adipose-derived stem cells can improve neurological functions, reduce small regions of cerebral infarction, promote angiogenesis, and express neuron-specific markers. The improvement of neurological functions was demonstrated in experiments using different methods and time courses of adipose-derived stem cell transplantation, but the mechanisms remain unclear. CONCLUSION Further research into the treatment of ischemic disease by adipose-derived stem cell transplantation is needed to determine their mechanism of action.
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Affiliation(s)
- Guoping Tian
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Jin Zhou
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Jing'e Wang
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Bing Xu
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Li Li
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Feng Zhu
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Jian Han
- Department of Neurology, Shenyang First People's Hospital, Shenyang 110041, Liaoning Province, China
| | - Jianping Li
- Liaoning Blood Center, Shenyang 110044, Liaoning Province, China
| | - Siyang Zhang
- College of Basic Medical Science, China Medical University, Shenyang 110001, Liaoning Province, China
| | - Xiaoguang Luo
- Department of Neurology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
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25
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Chan TM, Harn HJ, Lin HP, Chiu SC, Lin PC, Wang HI, Ho LI, Chuu CP, Chiou TW, Hsieh AC, Chen YW, Ho WY, Lin SZ. The use of ADSCs as a treatment for chronic stroke. Cell Transplant 2015; 23:541-7. [PMID: 24816449 DOI: 10.3727/096368914x678409] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Stroke is one of the disorders for which clinically effective therapeutic modalities are most needed, and numerous ways have been explored to attempt to investigate their feasibilities. However, ischemic- or hemorrhagic-induced inflammatory neuron death causes irreversible injuries and infarction regions, and there are currently no truly effective drugs available as therapy. It is therefore urgent to be able to provide a fundamental treatment method to regenerate neuronal brain cells, and therefore, the use of stem cells for curing chronic stroke could be a major breakthrough development. In this review, we describe the features and classification of stroke and focus on the benefits of adipose tissue-derived stem cells and their applications in stroke animal models. The results show that cell-based therapies have resulted in significant improvements in neuronal behaviors and functions through different molecular mechanisms, and no safety problems have so far arisen after transplantation. Further, we propose a clinical possibility to create a homing niche by reducing the degree of invasive intracerebroventricular transplantation and combining it with continuous intravenous administration to achieve a complete cure.
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Affiliation(s)
- Tzu-Min Chan
- Center for Neuropsychiatry, China Medical University Hospital, Taichung, Taiwan
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26
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Abraham R, Verfaillie CM. Neural differentiation and support of neuroregeneration of non-neural adult stem cells. PROGRESS IN BRAIN RESEARCH 2013. [PMID: 23186708 DOI: 10.1016/b978-0-444-59544-7.00002-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Although it is well established that neural stem cells (NSCs) or neural stem/progenitor cells differentiated from pluripotent stem cells can generate neurons, astrocytes, and oligodendrocytes, a number of other cell populations are also being considered for therapy of central nervous system disorders. Here, we describe the potential of (stem) cells from other postnatal tissues, including bone marrow, (umbilical cord) blood, fat tissue, or dental pulp, which themselves do not (robustly) generate neural progeny. However, these non-neuroectoderm derived cell populations appear to capable of inducing endogenous neurogenesis and angiogenesis. As these "trophic" effects are also, at least partly, responsible for some of the beneficial effects seen when NSC are grafted in the brain, these non-neuroectodermal cells may exert beneficial effects when used to treat neurodegenerative disorders.
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Affiliation(s)
- Rojin Abraham
- Stem Cell Institute, KU Leuven, Onderwijs & Navorsing V, Leuven, Belgium
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27
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Razavi S, Razavi MR, Zarkesh Esfahani H, Kazemi M, Mostafavi FS. Comparing brain-derived neurotrophic factor and ciliary neurotrophic factor secretion of induced neurotrophic factor secreting cells from human adipose and bone marrow-derived stem cells. Dev Growth Differ 2013; 55:648-55. [DOI: 10.1111/dgd.12072] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Revised: 06/15/2013] [Accepted: 06/23/2013] [Indexed: 01/31/2023]
Affiliation(s)
- Shahnaz Razavi
- Department of Anatomical Sciences and Molecular Biology; School of Medicine; Isfahan University of Medical Sciences; Isfahan; 81744-176; Iran
| | - Mohamad Reza Razavi
- Molecular Parasitology Laboratory; Pasteur Institute of Iran; Tehran; 1316943551; Iran
| | - Hamid Zarkesh Esfahani
- Department of Immunology; School of Medicine; Isfahan University of Medical Sciences; Isfahan; 81744-176; Iran
| | - Mohammad Kazemi
- Department of Anatomical Sciences and Molecular Biology; School of Medicine; Isfahan University of Medical Sciences; Isfahan; 81744-176; Iran
| | - Fatemeh Sadat Mostafavi
- Department of Anatomical Sciences and Molecular Biology; School of Medicine; Isfahan University of Medical Sciences; Isfahan; 81744-176; Iran
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28
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Abstract
Development of antitumor preparations with low toxicity and high selectivity of action is one of the top priorities of cancer gene therapy. Mesenchymal stem cells possess natural tropism towards tumors, a property that makes possible their use as a vehicle for targeted delivery of therapeutic genes into tumors of various etiologies. At present, genes encoding enzymes (cytosine deaminase, thymidine kinase, carboxyl esterase), cytokines (IL-2, IL-4, IL-12, IFN-beta) and apoptosis inducing factors (TRAIL) are used as therapeutic genes. Mesenchymal stem cells, as demonstrated using experimental models of tumors of various etiologies as well as animals with metastases in brain and lungs, are able to successfully deliver therapeutic genes into tumors and produce significant antitumor effect. However, to effectively use this therapeutic strategy in clinic, one still has to solve a number of technical problems.
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29
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Neirinckx V, Coste C, Rogister B, Wislet-Gendebien S. Concise review: adult mesenchymal stem cells, adult neural crest stem cells, and therapy of neurological pathologies: a state of play. Stem Cells Transl Med 2013; 2:284-96. [PMID: 23486833 PMCID: PMC3659839 DOI: 10.5966/sctm.2012-0147] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Accepted: 01/16/2013] [Indexed: 12/14/2022] Open
Abstract
Adult stem cells are endowed with in vitro multilineage differentiation abilities and constitute an attractive autologous source of material for cell therapy in neurological disorders. With regard to lately published results, the ability of adult mesenchymal stem cells (MSCs) and neural crest stem cells (NCSCs) to integrate and differentiate into neurons once inside the central nervous system (CNS) is currently questioned. For this review, we collected exhaustive data on MSC/NCSC neural differentiation in vitro. We then analyzed preclinical cell therapy experiments in different models for neurological diseases and concluded that neural differentiation is probably not the leading property of adult MSCs and NCSCs concerning neurological pathology management. A fine analysis of the molecules that are secreted by MSCs and NCSCs would definitely be of significant interest regarding their important contribution to the clinical and pathological recovery after CNS lesions.
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Affiliation(s)
| | | | - Bernard Rogister
- Neurosciences Unit and
- Development, Stem Cells and Regenerative Medicine Unit, Groupe Interdisciplinaire de Génoprotéomique Appliquée, University of Liège, Liège, Belgium
- Neurology Department, Centre Hospitalier Universitaire de Liège, Liège, Belgium
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30
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Tomita K, Madura T, Sakai Y, Yano K, Terenghi G, Hosokawa K. Glial differentiation of human adipose-derived stem cells: implications for cell-based transplantation therapy. Neuroscience 2013; 236:55-65. [PMID: 23370324 DOI: 10.1016/j.neuroscience.2012.12.066] [Citation(s) in RCA: 122] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Revised: 11/23/2012] [Accepted: 12/20/2012] [Indexed: 12/17/2022]
Abstract
Increasing evidence has shown that adipose-derived stem cells (ASCs) could transdifferentiate into Schwann cell (SC)-like cells to enhance nerve regeneration, suggesting potential new cell-based transplantation therapy for peripheral nerve injuries and neurodegenerative disorders. For the implementation of these results to the clinical setting, it is of great importance to establish the differentiation of human ASCs (hASCs) into a SC phenotype. In this study, we studied hASCs obtained from subcutaneous fat tissue of healthy donors. By a mixture of glial growth factors we differentiated them into Schwann cell-like cells (dhASCs). We then assessed their ability to act as Schwann cells in vitro and in vivo and also compared them with primary human Schwann cells (hSCs). Enzyme-linked immunosorbent assay showed that dhASCs secreted brain-derived neurotrophic factor (BDNF)/nerve growth factor (NGF) at a comparable level, and glial cell-derived neurotrophic factor (GDNF) at a level even higher than hSCs, whereas undifferentiated hASCs (uhASCs) secreted low levels of these neurotrophic factors. In co-culture with NG108-15 neuronal cells we found that both dhASCs and hSCs significantly increased the percentage of cells with neurites, the neurite length, and the number of neurites per neuron, whereas uhASCs increased only the percentage of cells with neurites. Finally, we transplanted green fluorescent protein (GFP)-labeled hASCs into the crushed tibial nerve of athymic nude rats. The transplanted hASCs showed a close association with PGP9.5-positive axons and myelin basic protein (MBP)-positive myelin at 8weeks after transplantation. Quantitative analysis revealed that dhASCs transplantation resulted in significantly improved survival and myelin formation rates (a 7-fold and a 10-fold increase, respectively) as compared with uhASCs transplantation. These findings suggest that hASCs took part in supporting and myelinating regenerating axons, and thus have achieved full glial differentiation in vivo. In conclusion, hASCs can differentiate into SC-like cells that possess a potent capacity to secrete neurotrophic factors as well as to form myelin in vivo. These findings make hASCs an interesting prospect for cell-based transplantation therapy for various peripheral nerve disorders.
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Affiliation(s)
- K Tomita
- Department of Plastic Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan.
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