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Ju D, Dong C. The combined application of stem cells and three-dimensional bioprinting scaffolds for the repair of spinal cord injury. Neural Regen Res 2024; 19:1751-1758. [PMID: 38103241 PMCID: PMC10960285 DOI: 10.4103/1673-5374.385842] [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: 02/13/2023] [Revised: 06/07/2023] [Accepted: 08/04/2023] [Indexed: 12/18/2023] Open
Abstract
Spinal cord injury is considered one of the most difficult injuries to repair and has one of the worst prognoses for injuries to the nervous system. Following surgery, the poor regenerative capacity of nerve cells and the generation of new scars can make it very difficult for the impaired nervous system to restore its neural functionality. Traditional treatments can only alleviate secondary injuries but cannot fundamentally repair the spinal cord. Consequently, there is a critical need to develop new treatments to promote functional repair after spinal cord injury. Over recent years, there have been several developments in the use of stem cell therapy for the treatment of spinal cord injury. Alongside significant developments in the field of tissue engineering, three-dimensional bioprinting technology has become a hot research topic due to its ability to accurately print complex structures. This led to the loading of three-dimensional bioprinting scaffolds which provided precise cell localization. These three-dimensional bioprinting scaffolds could repair damaged neural circuits and had the potential to repair the damaged spinal cord. In this review, we discuss the mechanisms underlying simple stem cell therapy, the application of different types of stem cells for the treatment of spinal cord injury, and the different manufacturing methods for three-dimensional bioprinting scaffolds. In particular, we focus on the development of three-dimensional bioprinting scaffolds for the treatment of spinal cord injury.
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Affiliation(s)
- Dingyue Ju
- Department of Anatomy, Medical College of Nantong University, Nantong, Jiangsu Province, China
| | - Chuanming Dong
- Department of Anatomy, Medical College of Nantong University, Nantong, Jiangsu Province, China
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
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2
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Wang X, Cheng Z, Tai W, Shi M, Ayazi M, Liu Y, Sun L, Yu C, Fan Z, Guo B, He X, Sun D, Young W, Ren Y. Targeting foamy macrophages by manipulating ABCA1 expression to facilitate lesion healing in the injured spinal cord. Brain Behav Immun 2024; 119:431-453. [PMID: 38636566 DOI: 10.1016/j.bbi.2024.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 04/03/2024] [Accepted: 04/16/2024] [Indexed: 04/20/2024] Open
Abstract
Spinal cord injury (SCI) triggers a complex cascade of events, including myelin loss, neuronal damage, neuroinflammation, and the accumulation of damaged cells and debris at the injury site. Infiltrating bone marrow derived macrophages (BMDMϕ) migrate to the epicenter of the SCI lesion, where they engulf cell debris including abundant myelin debris to become pro-inflammatory foamy macrophages (foamy Mϕ), participate neuroinflammation, and facilitate the progression of SCI. This study aimed to elucidate the cellular and molecular mechanisms underlying the functional changes in foamy Mϕ and their potential implications for SCI. Contusion at T10 level of the spinal cord was induced using a New York University (NYU) impactor (5 g rod from a height of 6.25 mm) in male mice. ABCA1, an ATP-binding cassette transporter expressed by Mϕ, plays a crucial role in lipid efflux from foamy cells. We observed that foamy Mϕ lacking ABCA1 exhibited increased lipid accumulation and a higher presence of lipid-accumulated foamy Mϕ as well as elevated pro-inflammatory response in vitro and in injured spinal cord. We also found that both genetic and pharmacological enhancement of ABCA1 expression accelerated lipid efflux from foamy Mϕ, reduced lipid accumulation and inhibited the pro-inflammatory response of foamy Mϕ, and accelerated clearance of cell debris and necrotic cells, which resulted in functional recovery. Our study highlights the importance of understanding the pathologic role of foamy Mϕ in SCI progression and the potential of ABCA1 as a therapeutic target for modulating the inflammatory response, promoting lipid metabolism, and facilitating functional recovery in SCI.
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Affiliation(s)
- Xi Wang
- W. M. Keck Center for Collaborative Neuroscience, Rutgers, State University of New Jersey, New Brunswick, NJ 08854, USA; Institute of Neurosciences, Fourth Military Medical University, Xi'an 710032, China; College of Life Sciences and Medicine, Northwest University, Xi'an 710069, China.
| | - Zhijian Cheng
- Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA
| | - Wenjiao Tai
- Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA
| | - Mingjun Shi
- Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA
| | - Maryam Ayazi
- Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA
| | - Yang Liu
- Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA
| | - Li Sun
- Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA
| | - Caiyong Yu
- Institute of Neurosciences, Fourth Military Medical University, Xi'an 710032, China
| | - Zhongmin Fan
- Department of Critical Care Medicine and Department of Anesthesiology and Perioperative Medicine, Xijing Hospital, Xi'an 710032, China
| | - Bin Guo
- Department of Pathology, Guizhou Medical University, Guiyang 550025, China
| | - Xijing He
- Department of Orthopedics, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Dongming Sun
- W. M. Keck Center for Collaborative Neuroscience, Rutgers, State University of New Jersey, New Brunswick, NJ 08854, USA
| | - Wise Young
- W. M. Keck Center for Collaborative Neuroscience, Rutgers, State University of New Jersey, New Brunswick, NJ 08854, USA
| | - Yi Ren
- W. M. Keck Center for Collaborative Neuroscience, Rutgers, State University of New Jersey, New Brunswick, NJ 08854, USA; Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306, USA.
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Si Y, Hayat MA, Hu J. NSPCs-ES: mechanisms and functional impact on central nervous system diseases. Biomed Mater 2024; 19:042011. [PMID: 38916246 DOI: 10.1088/1748-605x/ad5819] [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: 01/04/2024] [Accepted: 06/13/2024] [Indexed: 06/26/2024]
Abstract
Patients with central neuronal damage may suffer severe consequences, but effective therapies remain unclear. Previous research has established the transplantation of neural stem cells that generate new neurons to replace damaged ones. In a new field of scientific research, the extracellular secretion of NPSCs (NSPCs-ES) has been identified as an alternative to current chemical drugs. Many preclinical studies have shown that NSPCs-ES are effective in models of various central nervous system diseases (CNS) injuries, from maintaining functional structures at the cellular level to providing anti-inflammatory functions at the molecular level, as well as improving memory and motor functions, reducing apoptosis in neurons, and mediating multiple signaling pathways. The NSPC-ES can travel to the damaged tissue and exert a broad range of therapeutic effects by supporting and nourishing damaged neurons. However, gene editing and cell engineering techniques have recently improved therapeutic efficacy by modifying NSPCs-ES. Consequently, future research and application of NSPCs-ES may provide a novel strategy for the treatment of CNS diseases in the future. In this review, we summarize the current progress on these aspects.
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Affiliation(s)
- Yu Si
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang 212013, People's Republic of China
- Institute of Cerebrovascular Disease, The Affiliated People's Hospital, Jiangsu University, Zhenjiang 212002, People's Republic of China
| | - Muhammad Abid Hayat
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang 212013, People's Republic of China
- Institute of Cerebrovascular Disease, The Affiliated People's Hospital, Jiangsu University, Zhenjiang 212002, People's Republic of China
| | - Jiabo Hu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang 212013, People's Republic of China
- Institute of Cerebrovascular Disease, The Affiliated People's Hospital, Jiangsu University, Zhenjiang 212002, People's Republic of China
- Zhenjiang Blood Center, Zhenjiang, Jiangsu 212013, People's Republic of China
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Hosseini SM, Borys B, Karimi-Abdolrezaee S. Neural stem cell therapies for spinal cord injury repair: an update on recent preclinical and clinical advances. Brain 2024; 147:766-793. [PMID: 37975820 DOI: 10.1093/brain/awad392] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/22/2023] [Accepted: 11/02/2023] [Indexed: 11/19/2023] Open
Abstract
Traumatic spinal cord injury (SCI) is a leading cause of lifelong disabilities. Permanent sensory, motor and autonomic impairments after SCI are substantially attributed to degeneration of spinal cord neurons and axons, and disintegration of neural network. To date, minimal regenerative treatments are available for SCI with an unmet need for new therapies to reconstruct the damaged spinal cord neuron-glia network and restore connectivity with the supraspinal pathways. Multipotent neural precursor cells (NPCs) have a unique capacity to generate neurons, oligodendrocytes and astrocytes. Due to this capacity, NPCs have been an attractive cell source for cellular therapies for SCI. Transplantation of NPCs has been extensively tested in preclinical models of SCI in the past two decades. These studies have identified opportunities and challenges associated with NPC therapies. While NPCs have the potential to promote neuroregeneration through various mechanisms, their low long-term survival and integration within the host injured spinal cord limit the functional benefits of NPC-based therapies for SCI. To address this challenge, combinatorial strategies have been developed to optimize the outcomes of NPC therapies by enriching SCI microenvironment through biomaterials, genetic and pharmacological therapies. In this review, we will provide an in-depth discussion on recent advances in preclinical NPC-based therapies for SCI. We will discuss modes of actions and mechanism by which engrafted NPCs contribute to the repair process and functional recovery. We will also provide an update on current clinical trials and new technologies that have facilitated preparation of medical-grade human NPCs suitable for transplantation in clinical studies.
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Affiliation(s)
- Seyed Mojtaba Hosseini
- Department of Physiology and Pathophysiology, Spinal Cord Research Centre, Rady Faculty of Health Sciences, University of Manitoba Winnipeg, Manitoba R3E 0J9, Canada
- Manitoba Multiple Sclerosis Research Center, Winnipeg, Manitoba R3E 0J9, Canada
| | - Ben Borys
- Department of Physiology and Pathophysiology, Spinal Cord Research Centre, Rady Faculty of Health Sciences, University of Manitoba Winnipeg, Manitoba R3E 0J9, Canada
| | - Soheila Karimi-Abdolrezaee
- Department of Physiology and Pathophysiology, Spinal Cord Research Centre, Rady Faculty of Health Sciences, University of Manitoba Winnipeg, Manitoba R3E 0J9, Canada
- Manitoba Multiple Sclerosis Research Center, Winnipeg, Manitoba R3E 0J9, Canada
- Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba R3E 3P4, Canada
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5
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Mokhtari T, Uludag K. Role of NLRP3 Inflammasome in Post-Spinal-Cord-Injury Anxiety and Depression: Molecular Mechanisms and Therapeutic Implications. ACS Chem Neurosci 2024; 15:56-70. [PMID: 38109051 DOI: 10.1021/acschemneuro.3c00596] [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] [Indexed: 12/19/2023] Open
Abstract
The majority of research on the long-term effects of spinal cord injury (SCI) has primarily focused on neuropathic pain (NP), psychological issues, and sensorimotor impairments. Among SCI patients, mood disorders, such as anxiety and depression, have been extensively studied. It has been found that chronic stress and NP have negative consequences and reduce the quality of life for individuals living with SCI. Our review examined both human and experimental evidence to explore the connection between mood changes following SCI and inflammatory pathways, with a specific focus on NLRP3 inflammasome signaling. We observed increased proinflammatory factors in the blood, as well as in the brain and spinal cord tissues of SCI models. The NLRP3 inflammasome plays a crucial role in various diseases by controlling the release of proinflammatory molecules like interleukin 1β (IL-1β) and IL-18. Dysregulation of the NLRP3 inflammasome in key brain regions associated with pain processing, such as the prefrontal cortex and hippocampus, contributes to the development of mood disorders following SCI. In this review, we summarized recent research on the expression and regulation of components related to NLRP3 inflammasome signaling in mood disorders following SCI. Finally, we discussed potential therapeutic approaches that target the NLRP3 inflammasome and regulate proinflammatory cytokines as a way to treat mood disorders following SCI.
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Affiliation(s)
- Tahmineh Mokhtari
- Hubei Key Laboratory of Embryonic Stem Cell Research, Faculty of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, People's Republic of China
- Department of Histology and Embryology, Faculty of Basic Medical Sciences, Hubei University of Medicine, Shiyan 442000, Hubei, People's Republic of China
| | - Kadir Uludag
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, People's Republic of China
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Yin X, Liu X, Xiao X, Yi K, Chen W, Han C, Wang L, Li Y, Liu J. Human neural stem cells repress glioma cell progression in a paracrine manner by downregulating the Wnt/β-catenin signalling pathway. FEBS Open Bio 2023; 13:1772-1788. [PMID: 37410396 PMCID: PMC10476570 DOI: 10.1002/2211-5463.13671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 04/07/2023] [Accepted: 07/04/2023] [Indexed: 07/07/2023] Open
Abstract
Neural stem cells (NSCs) play crucial roles in neurological disorders and tissue injury repair through exerting paracrine effects. However, the effects of NSC-derived factors on glioma progression remain unclear. This study aimed to evaluate the effects of human NSC-conditioned medium (NSC-CM) on the behaviour of glioma cells using an in vitro co-culture system. Cell counting kit-8 and 5-ethynyl-2'-deoxyuridine assays revealed that NSC-CM inhibited glioma cell proliferation and growth in a fetal bovine serum (FBS)-independent manner. In addition, our wound-healing assay demonstrated that NSC-CM repressed glioma cell migration, while results from transwell and 3D spheroid invasion assays indicated that NSC-CM also reduced the invasion capacity of glioma cells. Flow cytometry showed that NSC-CM prevented cell cycle progression from the G1 to S phase and promoted apoptosis. Western blotting was used to show that the expression of Wnt/β-catenin pathway-related proteins, including β-catenin, c-Myc, cyclin D1, CD44 and Met, was remarkably decreased in NSC-CM-treated glioma cells. Furthermore, the addition of a Wnt/β-catenin pathway activator, CHIR99021, significantly induced the expression of β-catenin and Met and increased the proliferative and invasive capabilities of control medium-treated glioma cells but not those of NSC-CM-treated glioma cells. The use of enzyme-linked immunosorbent assays (ELISA) revealed the secretion of some antitumour factors in human and rat NSCs, including interferon-α and dickkopf-1. Our data suggest that NSC-CM partially inhibits glioma cell progression by downregulating Wnt/β-catenin signalling. This study may serve as a basis for developing future antiglioma therapies based on NSC derivatives.
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Affiliation(s)
- Xiaolin Yin
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
| | - Xiumei Liu
- Dalian Innovation Institute of Stem Cell and Precision MedicineChina
| | - Xiangyi Xiao
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
| | - Kaiyu Yi
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
| | - Weigong Chen
- Dalian Innovation Institute of Stem Cell and Precision MedicineChina
| | - Chao Han
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
| | - Liang Wang
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
| | - Ying Li
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
| | - Jing Liu
- Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical UniversityDalian Medical UniversityChina
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Oprişoreanu AM, Ryan F, Richmond C, Dzekhtsiarova Y, Carragher NO, Becker T, David S, Becker CG. Drug screening in zebrafish larvae reveals inflammation-related modulators of secondary damage after spinal cord injury in mice. Theranostics 2023; 13:2531-2551. [PMID: 37215570 PMCID: PMC10196818 DOI: 10.7150/thno.81332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 04/11/2023] [Indexed: 05/24/2023] Open
Abstract
Prolonged inflammation after spinal cord injury is detrimental to recovery. To find pharmacological modulators of the inflammation response, we designed a rapid drug screening paradigm in larval zebrafish followed by testing of hit compounds in a mouse spinal cord injury model. Methods: We used reduced il-1β linked green fluorescent protein (GFP) reporter gene expression as a read-out for reduced inflammation in a screen of 1081 compounds in larval zebrafish. Hit drugs were tested in a moderate contusion model in mice for cytokine regulation, and improved tissue preservation and locomotor recovery. Results: Three compounds robustly reduced il-1β expression in zebrafish. Cimetidine, an over-the-counter H2 receptor antagonist, also reduced the number of pro-inflammatory neutrophils and rescued recovery after injury in a zebrafish mutant with prolonged inflammation. Cimetidine action on il-1β expression levels was abolished by somatic mutation of H2 receptor hrh2b, suggesting specific action. In mice, systemic treatment with Cimetidine led to significantly improved recovery of locomotor behavior as compared to controls, accompanied by decreased neuronal tissue loss and a shift towards a pro-regenerative profile of cytokine gene expression. Conclusion: Our screen revealed H2 receptor signaling as a promising target for future therapeutic interventions in spinal cord injury. This work highlights the usefulness of the zebrafish model for rapid screening of drug libraries to identify therapeutics to treat mammalian spinal cord injury.
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Affiliation(s)
- Ana-Maria Oprişoreanu
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Fari Ryan
- Centre for Research in Neuroscience, Research Institute of the McGill University Health Centre, 1650 Cedar Ave., Montreal, Quebec, H3G 1A4
| | - Claire Richmond
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
| | - Yuliya Dzekhtsiarova
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Neil O. Carragher
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Thomas Becker
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Samuel David
- Centre for Research in Neuroscience, Research Institute of the McGill University Health Centre, 1650 Cedar Ave., Montreal, Quebec, H3G 1A4
| | - Catherina G. Becker
- Centre for Discovery Brain Sciences, University of Edinburgh, The Chancellor's Building, 49 Little France Crescent, Edinburgh, EH16 4SB, UK
- Center for Regenerative Therapies Dresden, TU Dresden, Fetscherstraße 105, 01307 Dresden, Germany
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Semita IN, Utomo DN, Suroto H. Mechanism of spinal cord injury regeneration and the effect of human neural stem cells-secretome treatment in rat model. World J Orthop 2023; 14:64-82. [PMID: 36844381 PMCID: PMC9945248 DOI: 10.5312/wjo.v14.i2.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/22/2022] [Accepted: 02/02/2023] [Indexed: 02/17/2023] Open
Abstract
BACKGROUND Globally, complete neurological recovery of spinal cord injury (SCI) is still less than 1%, and 90% experience permanent disability. The key issue is that a pharmacological neuroprotective-neuroregenerative agent and SCI regeneration mechanism have not been found. The secretomes of stem cell are an emerging neurotrophic agent, but the effect of human neural stem cells (HNSCs) secretome on SCI is still unclear.
AIM To investigate the regeneration mechanism of SCI and neuroprotective-neuroregenerative effects of HNSCs-secretome on subacute SCI post-laminectomy in rats.
METHODS An experimental study was conducted with 45 Rattus norvegicus, divided into 15 normal, 15 control (10 mL physiologic saline), and 15 treatment (30 μL HNSCs-secretome, intrathecal T10, three days post-traumatic). Locomotor function was evaluated weekly by blinded evaluators. Fifty-six days post-injury, specimens were collected, and spinal cord lesion, free radical oxidative stress (F2-Isoprostanes), nuclear factor-kappa B (NF-κB), matrix metallopeptidase 9 (MMP9), tumor necrosis factor-alpha (TNF-α), interleukin-10 (IL-10), transforming growth factor-beta (TGF-β), vascular endothelial growth factor (VEGF), B cell lymphoma-2 (Bcl-2), nestin, brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF) were analyzed. The SCI regeneration mechanism was analyzed using partial least squares structural equation modeling (PLS SEM).
RESULTS HNSCs-secretome significantly improved locomotor recovery according to Basso, Beattie, Bresnahan (BBB) scores and increased neurogenesis (nestin, BDNF, and GDNF), neuroangiogenesis (VEGF), anti-apoptotic (Bcl-2), anti-inflammatory (IL-10 and TGF-β), but decreased pro-inflammatory (NF-κB, MMP9, TNF-α), F2-Isoprostanes, and spinal cord lesion size. The SCI regeneration mechanism is valid by analyzed outer model, inner model, and hypothesis testing in PLS SEM, started with pro-inflammation followed by anti-inflammation, anti-apoptotic, neuroangiogenesis, neurogenesis, and locomotor function.
CONCLUSION HNSCs-secretome as a potential neuroprotective-neuroregenerative agent for the treatment of SCI and uncover the SCI regeneration mechanism.
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Affiliation(s)
- I Nyoman Semita
- Doctoral Program of Medical Science, Faculty of Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
- Department of Orthopedic and Traumatology, Faculty of Medicine, University of Jember, Jember 68121, Indonesia
| | - Dwikora Novembri Utomo
- Department of Orthopedic and Traumatology, Faculty of Medicine, Universitas Airlangga, Surabaya 60118, East Java, Indonesia
| | - Heri Suroto
- Department of Orthopedic and Traumatology, Faculty of Medicine, Universitas Airlangga, Surabaya 60118, East Java, Indonesia
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Yousefifard M, Sarveazad A, Janzadeh A, Behroozi Z, Nasirinezhad F. Pain Alleviating Effect of Adipose-Derived Stem Cells Transplantation on the Injured Spinal Cord: A Behavioral and Electrophysiological Evaluation. J Stem Cells Regen Med 2022; 18:53-63. [PMID: 36713791 PMCID: PMC9837693 DOI: 10.46582/jsrm.1802010] [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: 05/18/2022] [Accepted: 09/15/2022] [Indexed: 01/01/2023]
Abstract
Few studies are conducted on the efficacy of human adipose-derived stem cells (ADSCs) in spinal cord injury (SCI) management and electrophysiological changes in the spinal cord. Therefore, the present study aimed to determine the effect of ADSCs on neuropathic pain, motor function recovery, and electrophysiology assessment. For the purpose of this study, adult male Wistar rats (weight: 140-160 gr, n = 42) were randomly allocated into five groups namely intact animals, sham-operated, SCI non-treated animals, vehicle-treated (culture media), and ADSCs treated groups. One week after clips compression SCI induction, about 1×106 cells were transplanted into the spinal cord. As well, both neuropathic pain (allodynia and hyperalgesia) and motor function were measured weekly. Cavity size, ADSCs survival, and electrophysiology assessments were measured at the end of the eighth week. The transplantation of ADSCs resulted in a significant improvement in the locomotion of SCI animals (p<0.0001), mechanical allodynia (p<0.0001), cold allodynia (p<0.0001), mechanical hyperalgesia (p<0.0001), and thermal hyperalgesia (p<0.0001). The cavity size was significantly smaller among the ADSCs-treated animals (p <0.0001). The single-unit recording showed that the transplantation of ADSCs decreased wide dynamic range (WDR) in neurons and it evoked potential in response to receiving signals from Aβ (p<0.0001) and Aδ (p=0.003) C-fiber (p<0.0001) neurons. Post-discharge recorded from WDR neurons decreased after the transplantation of ADSCs (p<0.0001) and wind up in the ADSCs-treated group was lower than that of the SCI group (p=0.003). Our results showed that the transplantation of ADSCs could significantly alleviate neuropathic pain, enhance motor function recovery, and improve electrophysiology findings after SCI.
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Affiliation(s)
- Mahmoud Yousefifard
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Arash Sarveazad
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran,Nursing care Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Atousa Janzadeh
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Behroozi
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Farinaz Nasirinezhad
- Cellular and molecular research center, Iran University of Medical Sciences, Tehran, Iran,Centre for Experimental and Comparative Study, Iran University of Medical Sciences, Tehran, Iran,Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran,Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran,Farinaz Nasirinezhad, Cellular, and molecular research center, Iran University of Medical Sciences, Tehran, Iran., Tel/Fax: +982188622709.
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10
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Lee S, Nam H, Joo KM, Lee SH. Advances in Neural Stem Cell Therapy for Spinal Cord Injury: Safety, Efficacy, and Future Perspectives. Neurospine 2022; 19:946-960. [PMID: 36351442 PMCID: PMC9816608 DOI: 10.14245/ns.2244658.329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/19/2022] [Indexed: 11/11/2022] Open
Abstract
Spinal cord injury (SCI) is a devastating central nervous system injury that leads to severe disabilities in motor and sensory functions, causing significant deterioration in patients' quality of life. Owing to the complexity of SCI pathophysiology, there has been no effective treatment for reversing neural tissue damage and recovering neurological functions. Several novel therapies targeting different stages of pathophysiological mechanisms of SCI have been developed. Among these, treatments using stem cells have great potential for the regeneration of damaged neural tissues. In this review, we have summarized recent preclinical and clinical studies focusing on neural stem cells (NSCs). NSCs are multipotent cells with specific differentiation capabilities for neural lineage. Several preclinical studies have demonstrated the regenerative effects of transplanted NSCs in SCI animal models through both paracrine effects and direct neuronal differentiation, restoring synaptic connectivity and neural networks. Based on the positive results of several preclinical studies, phase I and II clinical trials using NSCs have been performed. Despite several hurdles and issues that need to be addressed in the clinical use of NSCs in patients with SCI, gradual progress in the technical development and therapeutic efficacy of NSCs treatments has enhanced the prospects for cell-based treatments in SCI.
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Affiliation(s)
- Sungjoon Lee
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hyun Nam
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea,Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Korea,Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon, Korea,Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea
| | - Kyeung-Min Joo
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Korea,Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon, Korea,Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea,Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea,Corresponding Author Kyeung-Min Joo Department of Anatomy and Cell Biology, Sungkyunkwan University School of Medicine, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Korea
| | - Sun-Ho Lee
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea,Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Korea,Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea,Co-corresponding Author Sun-Ho Lee Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Korea
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11
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Kim CK, Won JS, An JY, Lee HJ, Nam AJ, Nam H, Lee JY, Lee KH, Lee SH, Joo KM. Significant Therapeutic Effects of Adult Human Neural Stem Cells for Spinal Cord Injury Are Mediated by Monocyte Chemoattractant Protein-1 (MCP-1). Int J Mol Sci 2022; 23:ijms23084267. [PMID: 35457084 PMCID: PMC9029183 DOI: 10.3390/ijms23084267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/31/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022] Open
Abstract
The limited capability of regeneration in the human central nervous system leads to severe and permanent disabilities following spinal cord injury (SCI) while patients suffer from no viable treatment option. Adult human neural stem cells (ahNSCs) are unique cells derived from the adult human brain, which have the essential characteristics of NSCs. The objective of this study was to characterize the therapeutic effects of ahNSCs isolated from the temporal lobes of focal cortical dysplasia type IIIa for SCI and to elucidate their treatment mechanisms. Results showed that the recovery of motor functions was significantly improved in groups transplanted with ahNSCs, where, in damaged regions of spinal cords, the numbers of both spread and regenerated nerve fibers were observed to be higher than the vehicle group. In addition, the distance between neuronal nuclei in damaged spinal cord tissue was significantly closer in treatment groups than the vehicle group. Based on an immunohistochemistry analysis, those neuroprotective effects of ahNSCs in SCI were found to be mediated by inhibiting apoptosis of spinal cord neurons. Moreover, the analysis of the conditioned medium (CM) of ahNSCs revealed that such neuroprotective effects were mediated by paracrine effects with various types of cytokines released from ahNSCs, where monocyte chemoattractant protein-1 (MCP-1, also known as CCL2) was identified as a key paracrine mediator. These results of ahNSCs could be utilized further in the preclinical and clinical development of effective and safe cell therapeutics for SCI, with no available therapeutic options at present.
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Affiliation(s)
- Chung Kwon Kim
- Medical Innovation Technology Inc. (MEDINNO Inc.), Ace High-End Tower Classic 26, Seoul 08517, Korea; (C.K.K.); (J.-S.W.); (H.N.)
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
| | - Jeong-Seob Won
- Medical Innovation Technology Inc. (MEDINNO Inc.), Ace High-End Tower Classic 26, Seoul 08517, Korea; (C.K.K.); (J.-S.W.); (H.N.)
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul 06351, Korea
- Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon 16419, Korea; (H.J.L.); (K.-H.L.)
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Korea
| | - Jae Yeol An
- Department of Anatomy, Seoul National University College of Medicine, Seoul 03880, Korea; (J.Y.A.); (J.Y.L.)
- Healthcare Division, Partners Investment Co., Ltd., Seoul 06152, Korea
| | - Ho Jin Lee
- Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon 16419, Korea; (H.J.L.); (K.-H.L.)
- Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon 16419, Korea;
| | - Ah-Jin Nam
- Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon 16419, Korea;
| | - Hyun Nam
- Medical Innovation Technology Inc. (MEDINNO Inc.), Ace High-End Tower Classic 26, Seoul 08517, Korea; (C.K.K.); (J.-S.W.); (H.N.)
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul 06351, Korea
- Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon 16419, Korea; (H.J.L.); (K.-H.L.)
- Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon 16419, Korea;
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Ji Yeoun Lee
- Department of Anatomy, Seoul National University College of Medicine, Seoul 03880, Korea; (J.Y.A.); (J.Y.L.)
- Division of Pediatric Neurosurgery, Seoul National University Children’s Hospital, Seoul 03080, Korea
| | - Kyung-Hoon Lee
- Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon 16419, Korea; (H.J.L.); (K.-H.L.)
- Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon 16419, Korea;
| | - Sun-Ho Lee
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul 06351, Korea
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Korea
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
- Correspondence: (S.-H.L.); (K.M.J.); Tel.: +82-2-3410-2457 (S.-H.L.); +82-31-299-6073 (K.M.J.); Fax: +82-2-3410-0048 (S.-H.L.); +82-31-299-6029 (K.M.J.)
| | - Kyeung Min Joo
- Medical Innovation Technology Inc. (MEDINNO Inc.), Ace High-End Tower Classic 26, Seoul 08517, Korea; (C.K.K.); (J.-S.W.); (H.N.)
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul 06351, Korea
- Single Cell Network Research Center, Sungkyunkwan University School of Medicine, Suwon 16419, Korea; (H.J.L.); (K.-H.L.)
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Korea
- Department of Anatomy & Cell Biology, Sungkyunkwan University School of Medicine, Suwon 16419, Korea;
- Correspondence: (S.-H.L.); (K.M.J.); Tel.: +82-2-3410-2457 (S.-H.L.); +82-31-299-6073 (K.M.J.); Fax: +82-2-3410-0048 (S.-H.L.); +82-31-299-6029 (K.M.J.)
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12
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Gharooni AA, Kwon BK, Fehlings MG, Boerger TF, Rodrigues-Pinto R, Koljonen PA, Kurpad SN, Harrop JS, Aarabi B, Rahimi-Movaghar V, Wilson JR, Davies BM, Kotter MRN, Guest JD. Developing Novel Therapies for Degenerative Cervical Myelopathy [AO Spine RECODE-DCM Research Priority Number 7]: Opportunities From Restorative Neurobiology. Global Spine J 2022; 12:109S-121S. [PMID: 35174725 PMCID: PMC8859698 DOI: 10.1177/21925682211052920] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
STUDY DESIGN Narrative review. OBJECTIVES To provide an overview of contemporary therapies for the James Lind Alliance priority setting partnership for degenerative cervical myelopathy (DCM) question: 'Can novel therapies, including stem-cell, gene, pharmacological and neuroprotective therapies, be identified to improve the health and wellbeing of people living with DCM and slow down disease progression?' METHODS A review of the literature was conducted to outline the pathophysiology of DCM and present contemporary therapies that may hold therapeutic value in 3 broad categories of neuroprotection, neuroregeneration, and neuromodulation. RESULTS Chronic spinal cord compression leads to ischaemia, neuroinflammation, demyelination, and neuronal loss. Surgical intervention may halt progression and improve symptoms, though the majority do not make a full recovery leading to lifelong disability. Neuroprotective agents disrupt deleterious secondary injury pathways, and one agent, Riluzole, has undergone Phase-III investigation in DCM. Although it did not show efficacy on the primary outcome modified Japanese Orthopaedic Association scale, it showed promising results in pain reduction. Regenerative approaches are in the early stage, with one agent, Ibudilast, currently in a phase-III investigation. Neuromodulation approaches aim to therapeutically alter the state of spinal cord excitation by electrical stimulation with a variety of approaches. Case studies using electrical neuromuscular and spinal cord stimulation have shown positive therapeutic utility. CONCLUSION There is limited research into interventions in the 3 broad areas of neuroprotection, neuroregeneration, and neuromodulation for DCM. Contemporary and novel therapies for DCM are now a top 10 priority, and whilst research in these areas is limited in DCM, it is hoped that this review will encourage research into this priority.
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Affiliation(s)
- Aref-Ali Gharooni
- Neurosurgery Unit, Department of Clinical Neuroscience, University of Cambridge, UK
| | - Brian K. Kwon
- Vancouver Spine Surgery Institute, Department of Orthopedics, The University of British Columbia, Vancouver, BC, Canada
| | - Michael G. Fehlings
- Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Timothy F. Boerger
- Department of Neurosurgery, Medical College of Wisconsin, Wauwatosa, WI, USA
| | - Ricardo Rodrigues-Pinto
- Spinal Unit (UVM), Department of Orthopaedics, Centro Hospitalar Universitário do Porto - Hospital de Santo António, Porto, Portugal
- Instituto de Ciências Biomédicas Abel Salazar, Porto, Portugal
| | - Paul Aarne Koljonen
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Shekar N. Kurpad
- Department of Neurosurgery, Medical College of Wisconsin, Wauwatosa, WI, USA
| | - James S. Harrop
- Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, PA, USA
| | - Bizhan Aarabi
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Vafa Rahimi-Movaghar
- Department of Neurosurgery, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Jefferson R. Wilson
- Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Benjamin M. Davies
- Neurosurgery Unit, Department of Clinical Neuroscience, University of Cambridge, UK
| | - Mark R. N. Kotter
- Neurosurgery Unit, Department of Clinical Neuroscience, University of Cambridge, UK
| | - James D. Guest
- Department of Neurosurgery and The Miami Project to Cure Paralysis, The Miller School of Medicine, University of Miami, Miami, FL, USA
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13
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Cell transplantation to repair the injured spinal cord. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2022; 166:79-158. [PMID: 36424097 PMCID: PMC10008620 DOI: 10.1016/bs.irn.2022.09.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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14
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Hong J, Dragas R, Khazaei M, Ahuja CS, Fehlings MG. Hepatocyte Growth Factor-Preconditioned Neural Progenitor Cells Attenuate Astrocyte Reactivity and Promote Neurite Outgrowth. Front Cell Neurosci 2021; 15:741681. [PMID: 34955750 PMCID: PMC8695970 DOI: 10.3389/fncel.2021.741681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 11/09/2021] [Indexed: 11/13/2022] Open
Abstract
The astroglial scar is a defining hallmark of secondary pathology following central nervous system (CNS) injury that, despite its role in limiting tissue damage, presents a significant barrier to neuroregeneration. Neural progenitor cell (NPC) therapies for tissue repair and regeneration have demonstrated favorable outcomes, the effects of which are ascribed not only to direct cell replacement but trophic support. Cytokines and growth factors secreted by NPCs aid in modifying the inhibitory and cytotoxic post-injury microenvironment. In an effort to harness and enhance the reparative potential of NPC secretome, we utilized the multifunctional and pro-regenerative cytokine, hepatocyte growth factor (HGF), as a cellular preconditioning agent. We first demonstrated the capacity of HGF to promote NPC survival in the presence of oxidative stress. We then assessed the capacity of this modified conditioned media (CM) to attenuate astrocyte reactivity and promote neurite outgrowth in vitro. HGF pre-conditioned NPCs demonstrated significantly increased levels of tissue inhibitor of metalloproteinases-1 and reduced vascular endothelial growth factor compared to untreated NPCs. In reactive astrocytes, HGF-enhanced NPC-CM effectively reduced glial fibrillary acidic protein (GFAP) expression and chondroitin sulfate proteoglycan deposition to a greater extent than either treatment alone, and enhanced neurite outgrowth of co-cultured neurons. in vivo, this combinatorial treatment strategy might enable tactical modification of the post-injury inhibitory astroglial environment to one that is more conducive to regeneration and functional recovery. These findings have important translational implications for the optimization of current cell-based therapies for CNS injury.
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Affiliation(s)
- James Hong
- Department of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Rachel Dragas
- Department of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Mohammad Khazaei
- Department of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Christopher S Ahuja
- Department of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Michael G Fehlings
- Department of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada.,Spinal Program, University Health Network, Toronto Western Hospital, Toronto, ON, Canada
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15
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Zawadzka M, Kwaśniewska A, Miazga K, Sławińska U. Perspectives in the Cell-Based Therapies of Various Aspects of the Spinal Cord Injury-Associated Pathologies: Lessons from the Animal Models. Cells 2021; 10:cells10112995. [PMID: 34831217 PMCID: PMC8616284 DOI: 10.3390/cells10112995] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/25/2021] [Accepted: 10/31/2021] [Indexed: 02/07/2023] Open
Abstract
Traumatic injury of the spinal cord (SCI) is a devastating neurological condition often leading to severe dysfunctions, therefore an improvement in clinical treatment for SCI patients is urgently needed. The potential benefits of transplantation of various cell types into the injured spinal cord have been intensively investigated in preclinical SCI models and clinical trials. Despite the many challenges that are still ahead, cell transplantation alone or in combination with other factors, such as artificial matrices, seems to be the most promising perspective. Here, we reviewed recent advances in cell-based experimental strategies supporting or restoring the function of the injured spinal cord with a particular focus on the regenerative mechanisms that could define their clinical translation.
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16
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Bonilla P, Hernandez J, Giraldo E, González-Pérez MA, Alastrue-Agudo A, Elkhenany H, Vicent MJ, Navarro X, Edel M, Moreno-Manzano V. Human-Induced Neural and Mesenchymal Stem Cell Therapy Combined with a Curcumin Nanoconjugate as a Spinal Cord Injury Treatment. Int J Mol Sci 2021; 22:5966. [PMID: 34073117 PMCID: PMC8198521 DOI: 10.3390/ijms22115966] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/26/2021] [Accepted: 05/29/2021] [Indexed: 12/12/2022] Open
Abstract
We currently lack effective treatments for the devastating loss of neural function associated with spinal cord injury (SCI). In this study, we evaluated a combination therapy comprising human neural stem cells derived from induced pluripotent stem cells (iPSC-NSC), human mesenchymal stem cells (MSC), and a pH-responsive polyacetal-curcumin nanoconjugate (PA-C) that allows the sustained release of curcumin. In vitro analysis demonstrated that PA-C treatment protected iPSC-NSC from oxidative damage in vitro, while MSC co-culture prevented lipopolysaccharide-induced activation of nuclear factor-κB (NF-κB) in iPSC-NSC. Then, we evaluated the combination of PA-C delivery into the intrathecal space in a rat model of contusive SCI with stem cell transplantation. While we failed to observe significant improvements in locomotor function (BBB scale) in treated animals, histological analysis revealed that PA-C-treated or PA-C and iPSC-NSC + MSC-treated animals displayed significantly smaller scars, while PA-C and iPSC-NSC + MSC treatment induced the preservation of β-III Tubulin-positive axons. iPSC-NSC + MSC transplantation fostered the preservation of motoneurons and myelinated tracts, while PA-C treatment polarized microglia into an anti-inflammatory phenotype. Overall, the combination of stem cell transplantation and PA-C treatment confers higher neuroprotective effects compared to individual treatments.
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Affiliation(s)
- Pablo Bonilla
- Neuronal and Tissue Regeneration Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (P.B.); (E.G.); (M.A.G.-P.); (A.A.-A.); (H.E.)
| | - Joaquim Hernandez
- Neuroplasticity and Regeneration Group, Department Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona and CIBERNED, 08193 Bellaterra, Spain; (J.H.); (X.N.)
| | - Esther Giraldo
- Neuronal and Tissue Regeneration Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (P.B.); (E.G.); (M.A.G.-P.); (A.A.-A.); (H.E.)
- Department of Biotechnology, Universitat Politècnica de València, 46022 Valencia, Spain
| | - Miguel A. González-Pérez
- Neuronal and Tissue Regeneration Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (P.B.); (E.G.); (M.A.G.-P.); (A.A.-A.); (H.E.)
| | - Ana Alastrue-Agudo
- Neuronal and Tissue Regeneration Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (P.B.); (E.G.); (M.A.G.-P.); (A.A.-A.); (H.E.)
| | - Hoda Elkhenany
- Neuronal and Tissue Regeneration Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (P.B.); (E.G.); (M.A.G.-P.); (A.A.-A.); (H.E.)
- Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria 22785, Egypt
| | - María J. Vicent
- Polymer Therapeutics Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain;
| | - Xavier Navarro
- Neuroplasticity and Regeneration Group, Department Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona and CIBERNED, 08193 Bellaterra, Spain; (J.H.); (X.N.)
| | - Michael Edel
- Laboratory of Regenerative Medicine, Institut Barraquer, 08021 Barcelona, Spain;
| | - Victoria Moreno-Manzano
- Neuronal and Tissue Regeneration Laboratory, Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain; (P.B.); (E.G.); (M.A.G.-P.); (A.A.-A.); (H.E.)
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Jia G, Diao Z, Liu Y, Sun C, Wang C. Neural stem cell-conditioned medium ameliorates Aβ25-35-induced damage in SH-SY5Y cells by protecting mitochondrial function. Bosn J Basic Med Sci 2021; 21:179-186. [PMID: 32156251 PMCID: PMC7982066 DOI: 10.17305/bjbms.2020.4570] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 02/23/2020] [Indexed: 12/14/2022] Open
Abstract
Inhibition of amyloid β (Aβ)-induced mitochondrial damage is considered crucial for reducing the pathological damage in Alzheimer’s disease (AD). We evaluated the effect of neural stem cell-conditioned medium (NSC-CDM) on Aβ25–35-induced damage in SH-SY5Y cells. An in vitro model of AD was established by treating SH-SY5Y cells with 40 μM Aβ25–35 for 24 h. SH-SY5Y cells were divided into control, Aβ25–35 (40 μM), Aβ25–35 (40 μM) + NSC-CDM, and Aβ25–35 (40 μM) + neural stem cell-complete medium (NSC-CPM) groups. Cell viability was detected by CCK-8 assay. Apoptosis, reactive oxygen species (ROS) production, and mitochondrial membrane potential (MMP) were detected by flow cytometry. Malondialdehyde content was detected by ELISA assay. Western blot analysis was used to detect cytochrome c release and apoptosis-related proteins. Transmission electron microscopy was used to observe mitochondrial morphology. Cell viability significantly decreased and apoptosis significantly increased in SH-SY5Y cells treated with Aβ25–35, and both effects were rescued by NSC-CDM. In addition, NSC-CDM reduced ROS production and significantly inhibited the reduction of MMP caused by Aβ25–35. Furthermore, NSC-CDM ameliorated Aβ25–35-induced reduction in Bcl-2 expression levels and increased the expression levels of cytochrome c, caspase-9, caspase-3, and Bax. Moreover, Aβ25–35 induced the destruction of mitochondrial ultrastructure and this effect was reversed by NSC-CDM. Collectively, our findings demonstrated the protective effect of NCS-CDM against Aβ25–35-induced SH-SY5Y cell damage and clarified the mechanism of action of Aβ25–35 in terms of mitochondrial maintenance and mitochondria-associated apoptosis signaling pathways, thus providing a theoretical basis for the development of novel anti-AD treatments.
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Affiliation(s)
- Guoyong Jia
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Zengyan Diao
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Ying Liu
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Congcong Sun
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Cuilan Wang
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
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hiPSC-derived NSCs effectively promote the functional recovery of acute spinal cord injury in mice. Stem Cell Res Ther 2021; 12:172. [PMID: 33706803 PMCID: PMC7953804 DOI: 10.1186/s13287-021-02217-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 02/09/2021] [Indexed: 12/26/2022] Open
Abstract
Background Spinal cord injury (SCI) is a common disease that results in motor and sensory disorders and even lifelong paralysis. The transplantation of stem cells, such as embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs), mesenchymal stem cells (MSCs), or subsequently generated stem/progenitor cells, is predicted to be a promising treatment for SCI. In this study, we aimed to investigate effect of human iPSC-derived neural stem cells (hiPSC-NSCs) and umbilical cord-derived MSCs (huMSCs) in a mouse model of acute SCI. Methods Acute SCI mice model were established and were randomly treated as phosphate-buffered saline (PBS) (control group), repaired with 1 × 105 hiPSC-NSCs (NSC group), and 1 × 105 huMSCs (MSC group), respectively, in a total of 54 mice (n = 18 each). Hind limb motor function was evaluated in open-field tests using the Basso Mouse Scale (BMS) at days post-operation (dpo) 1, 3, 5, and 7 after spinal cord injury, and weekly thereafter. Spinal cord and serum samples were harvested at dpo 7, 14, and 21. Haematoxylin-eosin (H&E) staining and Masson staining were used to evaluate the morphological changes and fibrosis area. The differentiation of the transplanted cells in vivo was evaluated with immunohistochemical staining. Results The hiPSC-NSC-treated group presented a significantly smaller glial fibrillary acidic protein (GFAP) positive area than MSC-treated mice at all time points. Additionally, MSC-transplanted mice had a similar GFAP+ area to mice receiving PBS. At dpo 14, the immunostained hiPSC-NSCs were positive for SRY-related high-mobility-group (HMG)-box protein-2 (SOX2). Furthermore, the transplanted hiPSC-NSCs differentiated into GFAP-positive astrocytes and beta-III tubulin-positive neurons, whereas the transplanted huMSCs differentiated into GFAP-positive astrocytes. In addition, hiPSC-NSC transplantation reduced fibrosis formation and the inflammation level. Compared with the control or huMSC transplanted group, the group with transplantation of hiPSC-NSCs exhibited significantly improved behaviours, particularly limb coordination. Conclusions HiPSC-NSCs promote functional recovery in mice with acute SCI by replacing missing neurons and attenuating fibrosis, glial scar formation, and inflammation. Graphical abstract ![]()
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Zhang L, Zhuang X, Kotitalo P, Keller T, Krzyczmonik A, Haaparanta-Solin M, Solin O, Forsback S, Grönroos TJ, Han C, López-Picón FR, Xia H. Intravenous transplantation of olfactory ensheathing cells reduces neuroinflammation after spinal cord injury via interleukin-1 receptor antagonist. Am J Cancer Res 2021; 11:1147-1161. [PMID: 33391526 PMCID: PMC7738890 DOI: 10.7150/thno.52197] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/21/2020] [Indexed: 01/05/2023] Open
Abstract
Rationale: Olfactory ensheathing cell (OEC) transplantation has emerged as a promising therapy for spinal cord injury (SCI) repair. In the present study, we explored the possible mechanisms of OECs transplantation underlying neuroinflammation modulation. Methods: Spinal cord inflammation after intravenous OEC transplantation was detected in vivo and ex vivo by translocator protein PET tracer [18F]F-DPA. To track transplanted cells, OECs were transduced with enhanced green fluorescent protein (eGFP) and HSV1-39tk using lentiviral vector and were monitored by fluorescence imaging and [18F]FHBG study. Protein microarray analysis and ELISA studies were employed to analyze differential proteins in the injured spinal cord after OEC transplantation. The anti-inflammation function of the upregulated protein was also proved by in vitro gene knocking down experiments and OECs/microglia co-culture experiment. Results: The inflammation in the spinal cord was decreased after OEC intravenous transplantation. The HSV1-39tk-eGFP-transduced OECs showed no accumulation in major organs and were found at the injury site. After OEC transplantation, in the spinal cord tissues, the interleukin-1 receptor antagonist (IL-1Ra) was highly upregulated while many chemokines, including pro-inflammatory chemokines IL-1α, IL-1β were downregulated. In vitro studies confirmed that lipopolysaccharide (LPS) stimulus triggered OECs to secrete IL-1Ra. OECs significantly suppressed LPS-stimulated microglial activity, whereas IL-1Ra gene knockdown significantly reduced their ability to modulate microglial activity. Conclusion: The OECs that reached the lesion site were activated by the release of pro-inflammatory cytokines from activated microglia in the lesion site and secreted IL-1Ra to reduce neuroinflammation. Intravenous transplantation of OECs has high therapeutic effectiveness for the treatment of SCI via the secretion of IL-1Ra to reduce neuroinflammation.
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20
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Willis CM, Nicaise AM, Hamel R, Pappa V, Peruzzotti-Jametti L, Pluchino S. Harnessing the Neural Stem Cell Secretome for Regenerative Neuroimmunology. Front Cell Neurosci 2020; 14:590960. [PMID: 33250716 PMCID: PMC7674923 DOI: 10.3389/fncel.2020.590960] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 10/06/2020] [Indexed: 12/15/2022] Open
Abstract
Increasing evidence foresees the secretome of neural stem cells (NSCs) to confer superimposable beneficial properties as exogenous NSC transplants in experimental treatments of traumas and diseases of the central nervous system (CNS). Naturally produced secretome biologics include membrane-free signaling molecules and extracellular membrane vesicles (EVs) capable of regulating broad functional responses. The development of high-throughput screening pipelines for the identification and validation of NSC secretome targets is still in early development. Encouraging results from pre-clinical animal models of disease have highlighted secretome-based (acellular) therapeutics as providing significant improvements in biochemical and behavioral measurements. Most of these responses are being hypothesized to be the result of modulating and promoting the restoration of key inflammatory and regenerative programs in the CNS. Here, we will review the most recent findings regarding the identification of NSC-secreted factors capable of modulating the immune response to promote the regeneration of the CNS in animal models of CNS trauma and inflammatory disease and discuss the increased interest to refine the pro-regenerative features of the NSC secretome into a clinically available therapy in the emerging field of Regenerative Neuroimmunology.
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Affiliation(s)
- Cory M. Willis
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, United Kingdom
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21
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Progress in Stem Cell Therapy for Spinal Cord Injury. Stem Cells Int 2020; 2020:2853650. [PMID: 33204276 PMCID: PMC7661146 DOI: 10.1155/2020/2853650] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 10/04/2020] [Accepted: 10/21/2020] [Indexed: 02/06/2023] Open
Abstract
Background Spinal cord injury (SCI) is one of the serious neurological diseases that occur in young people with high morbidity and disability. However, there is still a lack of effective treatments for it. Stem cell (SC) treatment of SCI has gradually become a new research hotspot over the past decades. This article is aimed at reviewing the research progress of SC therapy for SCI. Methods Review the literature and summarize the effects, strategies, related mechanisms, safety, and clinical application of different SC types and new approaches in combination with SC in SCI treatment. Results A large number of studies have focused on SC therapy for SCI, most of which showed good effects. The common SC types for SCI treatment include mesenchymal stem cells (MSCs), hematopoietic stem cells (HSCs), neural stem cells (NSCs), induced pluripotent stem cells (iPSCs), and embryonic stem cells (ESCs). The modes of treatment include in vivo and in vitro induction. The pathways of transplantation consist of intravenous, transarterial, nasal, intraperitoneal, intrathecal, and intramedullary injections. Most of the SC treatments for SCI use a number of cells ranging from tens of thousands to millions. Early or late SC administration, application of immunosuppressant or not are still controversies. Potential mechanisms of SC therapy include tissue repair and replacement, neurotrophy, and regeneration and promotion of angiogenesis, antiapoptosis, and anti-inflammatory. Common safety issues include thrombosis and embolism, tumorigenicity and instability, infection, high fever, and even death. Recently, some new approaches, such as the pharmacological activation of endogenous SCs, biomaterials, 3D print, and optogenetics, have been also developed, which greatly improved the application of SC therapy for SCI. Conclusion Most studies support the effects of SC therapy on SCI, while a few studies do not. The cell types, mechanisms, and strategies of SC therapy for SCI are very different among studies. In addition, the safety cannot be ignored, and more clinical trials are required. The application of new technology will promote SC therapy of SCI.
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Ji Z, Jiang X, Li Y, Song J, Chai C, Lu X. Neural stem cells induce M2 polarization of macrophages through the upregulation of interleukin-4. Exp Ther Med 2020; 20:148. [PMID: 33093886 DOI: 10.3892/etm.2020.9277] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 07/31/2020] [Indexed: 12/12/2022] Open
Abstract
Macrophages are divided into two types: M1- and M2-type macrophages. Both types of macrophages serve important roles during the process of inflammation. M1-type macrophages release various pro-inflammatory cytokines, such as IL-1, IFN-γ and other inflammatory mediators, such as nitric oxide, glutamate and reactive oxygen species to generate inflammation. In contrast, M2-type macrophages counteract the pro-inflammatory M1 conditions and promote tissue repair by secreting anti-inflammatory cytokines, such as IL-10. In spinal cord injury (SCI), an imbalance in M1/M2 macrophages leads to irreversible tissue destruction. Thus, it is crucial to increase the number of M2-type macrophages and promote M2 polarization of macrophages in SCI. Accordingly, in this study an in vitro co-culture system was established to investigate the effect of neural stem cells (NSCs) on macrophages. The results of the present study demonstrated that NSCs induced M2 polarization and suppressed M1 polarization of macrophages in an interleukin (IL)-4-dependent manner. Furthermore, the nuclear factor (NF)-κB/p65 signaling pathway was involved in the M1 polarization of macrophages and NSCs suppressed the activation of the NF-κB/p65 pathway in an IL-4-dependent manner to induce M2 macrophage polarization. These findings provide more insight into SCI and help to identify novel treatment strategies.
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Affiliation(s)
- Zhuangqi Ji
- Department of Gastrointestinal-Hepatobiliary Surgery, Shenzhen Longhua District Central Hospital, Shenzhen, Guangdong 518110, P.R. China
| | - Xianming Jiang
- Department of Ophthalmology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518107, P.R. China
| | - Yubin Li
- The Reproductive Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Jian Song
- Department of Pathology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518107, P.R. China
| | - Cuicui Chai
- Department of Pathology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518107, P.R. China
| | - Xiaofang Lu
- Department of Pathology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518107, P.R. China
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Zhou P, Xu P, Guan J, Zhang C, Chang J, Yang F, Xiao H, Sun H, Zhang Z, Wang M, Hu J, Mao Y. Promoting 3D neuronal differentiation in hydrogel for spinal cord regeneration. Colloids Surf B Biointerfaces 2020; 194:111214. [DOI: 10.1016/j.colsurfb.2020.111214] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/18/2020] [Accepted: 06/23/2020] [Indexed: 01/03/2023]
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Zheng Y, Mao YR, Yuan TF, Xu DS, Cheng LM. Multimodal treatment for spinal cord injury: a sword of neuroregeneration upon neuromodulation. Neural Regen Res 2020; 15:1437-1450. [PMID: 31997803 PMCID: PMC7059565 DOI: 10.4103/1673-5374.274332] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 04/28/2019] [Accepted: 07/08/2019] [Indexed: 12/25/2022] Open
Abstract
Spinal cord injury is linked to the interruption of neural pathways, which results in irreversible neural dysfunction. Neural repair and neuroregeneration are critical goals and issues for rehabilitation in spinal cord injury, which require neural stem cell repair and multimodal neuromodulation techniques involving personalized rehabilitation strategies. Besides the involvement of endogenous stem cells in neurogenesis and neural repair, exogenous neural stem cell transplantation is an emerging effective method for repairing and replacing damaged tissues in central nervous system diseases. However, to ensure that endogenous or exogenous neural stem cells truly participate in neural repair following spinal cord injury, appropriate interventional measures (e.g., neuromodulation) should be adopted. Neuromodulation techniques, such as noninvasive magnetic stimulation and electrical stimulation, have been safely applied in many neuropsychiatric diseases. There is increasing evidence to suggest that neuromagnetic/electrical modulation promotes neuroregeneration and neural repair by affecting signaling in the nervous system; namely, by exciting, inhibiting, or regulating neuronal and neural network activities to improve motor function and motor learning following spinal cord injury. Several studies have indicated that fine motor skill rehabilitation training makes use of residual nerve fibers for collateral growth, encourages the formation of new synaptic connections to promote neural plasticity, and improves motor function recovery in patients with spinal cord injury. With the development of biomaterial technology and biomechanical engineering, several emerging treatments have been developed, such as robots, brain-computer interfaces, and nanomaterials. These treatments have the potential to help millions of patients suffering from motor dysfunction caused by spinal cord injury. However, large-scale clinical trials need to be conducted to validate their efficacy. This review evaluated the efficacy of neural stem cells and magnetic or electrical stimulation combined with rehabilitation training and intelligent therapies for spinal cord injury according to existing evidence, to build up a multimodal treatment strategy of spinal cord injury to enhance nerve repair and regeneration.
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Affiliation(s)
- Ya Zheng
- Rehabilitation Section, Spine Surgery Division of Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
| | - Ye-Ran Mao
- Rehabilitation Section, Spine Surgery Division of Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
| | - Ti-Fei Yuan
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Dong-Sheng Xu
- Rehabilitation Section, Spine Surgery Division of Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education of the People's Republic of China, Tongji University, Shanghai, China
| | - Li-Ming Cheng
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education of the People's Republic of China, Tongji University, Shanghai, China
- Spine Surgery Division of Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
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25
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Chen T, Li Y, Ni W, Tang B, Wei Y, Li J, Yu J, Zhang L, Gao J, Zhou J, Zhang W, Xu H, Hu J. Human Neural Stem Cell-Conditioned Medium Inhibits Inflammation in Macrophages Via Sirt-1 Signaling Pathway In Vitro and Promotes Sciatic Nerve Injury Recovery in Rats. Stem Cells Dev 2020; 29:1084-1095. [PMID: 32560594 DOI: 10.1089/scd.2020.0020] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Chronic persistent inflammation is thought to impede axon regeneration and cause demyelinating disease also with neuropathic pain, leading to more severe dysfunction after peripheral nerve injury. Increasing evidence indicates that neural stem cells (NSCs) have immunomodulatory effects, and previous studies have shown that many of the beneficial effects attributed to stem cell therapy may exert their therapeutic effects through paracrine mechanisms. In this research, the repairing effect of NSC-conditioned medium (NSC-CM) on sciatic nerve injury and its mechanism of repair were further explored. The present research showed that NSC-CM promoted histopathological and functional recovery after crush injury in rats, and what counts is that NSC-CM inhibited the inflammation of sciatic nerve in the late stage of injury. NSC-CM significantly downregulated the infiltration of proinflammatory factors [tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6), and IL-1β] as well as decreased the CD68 inflammatory macrophages infiltrating in the sciatic nerve. In addition, to study the effect of NSC-CM on the inflammatory state of macrophages in vitro, lipopolysaccharide (LPS) was used to induce the proinflammation of macrophages. The results showed that NSC-CM decreased the expression of macrophage proinflammatory-related proteins (IL-6, IL-1β, TNF-α, inducible nitric oxide synthase) induced by LPS. The activation of Sirt-1 signaling in macrophages effectively countered the proinflammation induced by LPS in the presence of NSC-CM. Using Sirt-1-specific inhibitor EX527 partially weakened the anti-inflammatory effect of NSC-CM. Altogether, this study demonstrated for the first time that NSC-CM promotes functional recovery after sciatic nerve crush injury in vivo and also inhibits the inflammation in activated macrophages by activating Sirt-1 signaling pathway in vitro.
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Affiliation(s)
- Tianyan Chen
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yilei Li
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Wei Ni
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Bin Tang
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yusheng Wei
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Jing Li
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Jiahong Yu
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Lei Zhang
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Jianyi Gao
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Jiqin Zhou
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Weining Zhang
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Hong Xu
- Department of Clinical Laboratory, Zhenjiang Centre for Disease Prevention and Control, Zhenjiang, China
| | - Jiabo Hu
- Jinagsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
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Jia G, Yang H, Diao Z, Liu Y, Sun C. Neural stem cell conditioned medium alleviates Aβ 25-35 damage to SH-SY5Y cells through the PCMT1/MST1 pathway. Eur J Histochem 2020; 64:3135. [PMID: 32705859 PMCID: PMC7388643 DOI: 10.4081/ejh.2020.3135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 05/29/2020] [Indexed: 11/27/2022] Open
Abstract
Alzheimer's disease (AD) is a progressive, neurodegenerative disease. Accumulating evidence suggests that protein isoaspartate methyltransferase 1 (PCMT1) is highly expressed in brain tissue (substantia nigra, blue plaque, paraventricular nucleus). In this study, we investigated the effect of neural stem cell conditioned medium alleviates Aβ25-35 damage to SH-SY5Y cells by PCMT1/MST1 pathway. Results demonstrated that Aβ25-35 significantly decreased the cell viability in time and dose dependent manner. However, Neural stem cell-complete medium (NSC-CPM) or NSC-CDM had inhibitory effect on toxicity when fibrillation of Aβ25-35 occurred in their presence and NSC-CDM had a better inhibitor result. An increase of the PCMT1 expression levels was found in Aβ25-35 + NSC-CDM group. sh-PCMT1 significantly reduced the PCMT1, the cell viability and inhibited the protective effect; induced apoptosis and increased the expression of p-MST1. Overexpression of PCMT1 group reversed the effect of Aβ25-35 inhibited the cell viability and Aβ25-35 induced the apoptosis. In conclusion, NSC-CDM corrects the damage of Aβ25-35 to cells by increasing PCMT1, reducing MST phosphorylation.
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Affiliation(s)
- Guoyong Jia
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Hongna Yang
- Department of Critical-care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Zengyan Diao
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Ying Liu
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Congcong Sun
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
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27
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Borhani-Haghighi M, Mohamadi Y. Intranasal administration of conditioned medium derived from mesenchymal stem cells-differentiated oligodendrocytes ameliorates experimental autoimmune encephalomyelitis. J Chem Neuroanat 2020; 106:101792. [PMID: 32353514 DOI: 10.1016/j.jchemneu.2020.101792] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 02/05/2020] [Accepted: 03/30/2020] [Indexed: 12/19/2022]
Abstract
In multiple sclerosis, myelin sheaths around the axons are degenerated due to uncontrolled inflammation in the central nervous system. Oligodendrocytes (OLs) are myelin-forming cells that secrete trophic factors necessary for myelin protection. Beneficial features of conditioned medium (CM) derived from different stem cells are nowadays under investigation in treating neurodegenerative diseases. Here, we used the differentiation capacity of Wharton's jelly mesenchymal stem cells (WJMSCs) to obtain OLs. Then, the study aimed to evaluate the status of inflammation and myelination in male experimental autoimmune encephalomyelitis (EAE) mice after intranasal administration of CM derived from OLs (OL-CM). Inflammation was studied by evaluating gliosis, inflammatory cell infiltration and expression of inflammation indicators including NLRP3 inflammasome, interleukin-1β, interleukin-18, glial fibrillary acidic protein, and ionized calcium binding adaptor molecule 1. Remyelination was studied by luxol fast blue staining and evaluating the expression of myelin indicators including myelin basic protein and oligodendrocyte transcription factor. In addition, we followed the trend of body weight and functional recovery during the 28-day study. ELISA assay revealed that OL-CM contained brain-derived neurotrophic factor, glial cell-derived neurotrophic factor, and ciliary neurotrophic factor. Data showed that OL-CM moderated inflammation, augmented remyelination, and gained normal body weight. Notably, these anti-inflammatory and regenerative effects of OL-CM improved neurological functions in EAE mice. In conclusion, the current study offered a new choice for treating multiple sclerosis using noninvasive intranasal administration of CM harvested from easily achievable WJMSCs-differentiated OLs.
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Affiliation(s)
- Maryam Borhani-Haghighi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Yousef Mohamadi
- Department of Anatomy, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran.
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28
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Borhani-Haghighi M, Navid S, Mohamadi Y. The Therapeutic Potential of Conditioned Medium from Human Breast Milk Stem Cells in Treating Spinal Cord Injury. Asian Spine J 2019; 14:131-138. [PMID: 31711062 PMCID: PMC7113460 DOI: 10.31616/asj.2019.0026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 07/05/2019] [Indexed: 12/22/2022] Open
Abstract
Study Design Experimental animal study. Purpose This study investigated the therapeutic effects of human breast milk stem cell (BMSC)-conditioned medium (BMSC-CM) in a model of spinal cord injury (SCI) in male Sprague-Dawley rats. Overview of Literature SCI is one of the leading causes of disability in addition to sensory and motor impairment. So far, there have been no successful treatments for SCI. Given the positive outcomes associated with using stem cells and their derivatives as a treatment for various diseases, there is a growing interest in using them as an SCI treatment. Recent research has demonstrated that CM from stem cells has therapeutic advantages. Methods Human BMSCs were isolated and characterized, and CM was subsequently collected. Animals received an intrathecal administration of BMSC-CM after SCI. The activity of caspase-3 was measured to assess apoptosis, and levels of tumor necrosis factor-α and interleukin-1β were measured to assess inflammation. Also, sensory and locomotor performances were assessed after SCI and BMSC-CM administration. Results Administration of CM from BMSC reduced apoptosis and inflammation at the site of injury in a rat model of SCI (p<0.05). Motor, sensory, locomotor, and sensorimotor performances were significantly improved in rats that received BMSC-CM after SCI. Conclusions Intrathecal administration of BMSC-CM improved recovery in a rat model of SCI.
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Affiliation(s)
- Maryam Borhani-Haghighi
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Shadan Navid
- Department of Anatomy, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Yousef Mohamadi
- Department of Anatomy, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran
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Zhou P, Guan J, Xu P, Zhao J, Zhang C, Zhang B, Mao Y, Cui W. Cell Therapeutic Strategies for Spinal Cord Injury. Adv Wound Care (New Rochelle) 2019; 8:585-605. [PMID: 31637103 PMCID: PMC6798812 DOI: 10.1089/wound.2019.1046] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 08/27/2019] [Indexed: 12/13/2022] Open
Abstract
Significance: Spinal cord injury (SCI) is a neurological disorder that resulted from destroyed long axis of spinal cord, affecting thousands of people every year. With the occurrence of SCI, the lesions can form cystic cavities and produce glial scar, myelin inhibitor, and inflammation that negatively impact repair of spinal cord. Therefore, SCI remains a difficult problem to overcome with present therapeutics. This review of cell therapeutics in SCI provides a systematic review of combinatory therapeutics of SCI and helps the realization of regeneration of spinal cord in the future. Recent Advances: With major breakthroughs in neurobiology in recent years, present therapeutic strategies for SCI mainly aim at nerve regeneration or neuroprotection. For nerve regeneration, the application approaches are tissue engineering and cell transplantation, while drug therapeutics is applied for neuroprotection. Cell therapeutics is a new approach that treats SCI by cell transplantation. Cell therapeutics possesses advantages of neuroprotection, immune regulation, axonal regeneration, neuron relay formation, and remyelination. Critical Issues: Neurons cannot regenerate at the site of injury. Therefore, it is essential to find a repair strategy for remyelination, axon regeneration, and functional recovery. Cell therapeutics is emerging as the most promising approach for treating SCI. Future Directions: The future application of SCI therapy in clinical practice may require a combination of multiple strategies. A comprehensive treatment of injury of spinal cord is the focus of the present research. With the combination of different cell therapy strategies, future experiments will achieve more dramatic success in spinal cord repair.
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Affiliation(s)
- Pinghui Zhou
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, P.R. China
- Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, P.R. China
| | - Jingjing Guan
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, P.R. China
| | - Panpan Xu
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, P.R. China
| | - Jingwen Zhao
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
| | - Changchun Zhang
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, P.R. China
| | - Bin Zhang
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, P.R. China
| | - Yingji Mao
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, P.R. China
- School of Life Science, Bengbu Medical College, Bengbu, P.R. China
| | - Wenguo Cui
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P.R. China
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The Effect of Wharton Jelly-Derived Mesenchymal Stromal Cells and Their Conditioned Media in the Treatment of a Rat Spinal Cord Injury. Int J Mol Sci 2019; 20:ijms20184516. [PMID: 31547264 PMCID: PMC6770545 DOI: 10.3390/ijms20184516] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/09/2019] [Accepted: 09/11/2019] [Indexed: 02/07/2023] Open
Abstract
The transplantation of Wharton’s jelly derived mesenchymal stromal cells (WJ-MSCs) possesses therapeutic potential for the treatment of a spinal cord injury (SCI). Generally, the main effect of MSCs is mediated by their paracrine potential. Therefore, application of WJ-MSC derived conditioned media (CM) is an acknowledged approach for how to bypass the limited survival of transplanted cells. In this study, we compared the effect of human WJ-MSCs and their CM in the treatment of SCI in rats. WJ-MSCs and their CM were intrathecally transplanted in the three consecutive weeks following the induction of a balloon compression lesion. Behavioral analyses were carried out up to 9 weeks after the SCI and revealed significant improvement after the treatment with WJ-MSCs and CM, compared to the saline control. Both WJ-MSCs and CM treatment resulted in a higher amount of spared gray and white matter and enhanced expression of genes related to axonal growth. However, only the CM treatment further improved axonal sprouting and reduced the number of reactive astrocytes in the lesion area. On the other hand, WJ-MSCs enhanced the expression of inflammatory and chemotactic markers in plasma, which indicates a systemic immunological response to xenogeneic cell transplantation. Our results confirmed that WJ-MSC derived CM offer an alternative to direct stem cell transplantation for the treatment of SCI.
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Gao S, Guo X, Zhao S, Jin Y, Zhou F, Yuan P, Cao L, Wang J, Qiu Y, Sun C, Kang Z, Gao F, Xu W, Hu X, Yang D, Qin Y, Ning K, Shaw PJ, Zhong G, Cheng L, Zhu H, Gao Z, Chen X, Xu J. Differentiation of human adipose-derived stem cells into neuron/motoneuron-like cells for cell replacement therapy of spinal cord injury. Cell Death Dis 2019; 10:597. [PMID: 31395857 PMCID: PMC6687731 DOI: 10.1038/s41419-019-1772-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 04/24/2019] [Accepted: 05/31/2019] [Indexed: 01/06/2023]
Abstract
Human adipose-derived stem cells (hADSCs) are increasingly presumed to be a prospective stem cell source for cell replacement therapy in various degenerative and/or traumatic diseases. The potential of trans-differentiating hADSCs into motor neuron cells indisputably provides an alternative way for spinal cord injury (SCI) treatment. In the present study, a stepwise and efficient hADSC trans-differentiation protocol with retinoic acid (RA), sonic hedgehog (SHH), and neurotrophic factors were developed. With this protocol hADSCs could be converted into electrophysiologically active motoneuron-like cells (hADSC-MNs), which expressed both a cohort of pan neuronal markers and motor neuron specific markers. Moreover, after being primed for neuronal differentiation with RA/SHH, hADSCs were transplanted into SCI mouse model and they survived, migrated, and integrated into injured site and led to partial functional recovery of SCI mice. When ablating the transplanted hADSC-MNs harboring HSV-TK-mCherry overexpression system with antivirial Ganciclovir (GCV), functional relapse was detected by motor-evoked potential (MEP) and BMS assays, implying that transplanted hADSC-MNs participated in rebuilding the neural circuits, which was further confirmed by retrograde neuronal tracing system (WGA). GFP-labeled hADSC-MNs were subjected to whole-cell patch-clamp recording in acute spinal cord slice preparation and both action potentials and synaptic activities were recorded, which further confirmed that those pre-conditioned hADSCs indeed became functionally active neurons in vivo. As well, transplanted hADSC-MNs largely prevented the formation of injury-induced cavities and exerted obvious immune-suppression effect as revealed by preventing astrocyte reactivation and favoring the secretion of a spectrum of anti-inflammatory cytokines and chemokines. Our work suggests that hADSCs can be readily transformed into MNs in vitro, and stay viable in spinal cord of the SCI mouse and exert multi-therapeutic effects by rebuilding the broken circuitry and optimizing the microenvironment through immunosuppression.
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Affiliation(s)
- Shane Gao
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Xuanxuan Guo
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Simeng Zhao
- iHuman Institute, Shanghai Science and Technology University, Shanghai, 201210, China
| | - Yinpeng Jin
- Shanghai Public Health Clinical Center, Fudan University, JinShan, Shanghai, 201508, China
| | - Fei Zhou
- Department of Neurology, Third Affiliated Hospital of Navy Military Medical University, Shanghai, 200438, China
| | - Ping Yuan
- Tongji hospital affiliated to Tongji University, Tongji University School of Medicine, Shanghai, 200065, China
| | - Limei Cao
- Shanghai Eighth People's Hospital Affiliated to Jiangsu University, Shanghai, 200233, China
| | - Jian Wang
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Yue Qiu
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Chenxi Sun
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Zhanrong Kang
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 200137, China
| | - Fengjuan Gao
- Zhoupu hospital, Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
| | - Wei Xu
- Tongji hospital affiliated to Tongji University, Tongji University School of Medicine, Shanghai, 200065, China
| | - Xiao Hu
- Tongji hospital affiliated to Tongji University, Tongji University School of Medicine, Shanghai, 200065, China
| | - Danjing Yang
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Ying Qin
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Ke Ning
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, 385A Glossop Road, Sheffield, S10 2HQ, UK
| | - Pamela J Shaw
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, 385A Glossop Road, Sheffield, S10 2HQ, UK
| | - Guisheng Zhong
- iHuman Institute, Shanghai Science and Technology University, Shanghai, 201210, China.
| | - Liming Cheng
- Tongji hospital affiliated to Tongji University, Tongji University School of Medicine, Shanghai, 200065, China.
| | - Hongwen Zhu
- Tianjin Hospital, Tianjin, 300211, China. .,BOE Technology Group Co., Ltd., Beijing, 100176, China.
| | - Zhengliang Gao
- Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.
| | - Xu Chen
- Shanghai Eighth People's Hospital Affiliated to Jiangsu University, Shanghai, 200233, China.
| | - Jun Xu
- East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.
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do Espírito Santo CC, da Silva Fiorin F, Ilha J, Duarte MMMF, Duarte T, Santos ARS. Spinal cord injury by clip-compression induces anxiety and depression-like behaviours in female rats: The role of the inflammatory response. Brain Behav Immun 2019; 78:91-104. [PMID: 30659938 DOI: 10.1016/j.bbi.2019.01.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 12/28/2018] [Accepted: 01/14/2019] [Indexed: 11/24/2022] Open
Abstract
Traumatic spinal cord injury (SCI) promotes long-term disability that affects mobility and functional independence. The spinal cord inflammatory response after the initial mechanical insult substantially impacts locomotor impairment and development of neuropsychiatric disorders, including anxiety and depression. However, these psychiatric events are scarcely investigated in females. This study investigated the anxiety/depression-like behaviours and inflammatory responses related to the production/release of pro- and anti-inflammatory cytokines in female adult Wistar rats submitted to severe clip-compression SCI. Data showed that SCI impaired the locomotor performance assessment by the BBB scale, but did not alter exploratory activity in open-field test. Animals' locomotor impairment was associated with anxious and depressive-like behaviours characterised by a decreased amount of time in the open arms of the elevated plus-maze test, and the motivational reduction of social interaction and anhedonia assessed by social exploration and sucrose preference tests. By contrast, SCI decreased the immobility time in the forced swimming test. Moreover, SCI caused a significant increase in local and systemic proinflammatory cytokines (TNF-α, INF-γ, IL-1β, and IL-6) and a reduction in the anti-inflammatory cytokine IL-10. Finally, there were significant negative correlations between depression-like behaviour, but not anxiety, and increased plasma concentrations of TNF-α, IL-1β, IL-6, and INF-γ. Additionally, the laminectomy procedure provoked the inflammatory response associated with reduced sucrose intake in Sham animals, although less expressively than in the SCI group. Collectively, these results indicate that SCI by clip-compression in female rats promotes a neuropsychiatric-like profile associated with an imbalance in the production/release of pro- and anti-inflammatory cytokines.
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Affiliation(s)
- Caroline Cunha do Espírito Santo
- Programa de Pós-graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil; Laboratório de Neurobiologia da Dor e Inflamação, Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil.
| | - Fernando da Silva Fiorin
- Programa de Pós-graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil; Laboratório de Neurobiologia da Dor e Inflamação, Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Jocemar Ilha
- Departamento de Fisioterapia, Núcleo de Pesquisa em Lesão da Medula Espinal, Universidade do Estado de Santa Catarina, Florianópolis, Brazil
| | | | - Tiago Duarte
- Programa de Pós-graduação em Farmacologia, Universidade Federal de Santa Maria, Rio Grande do Sul, Brazil
| | - Adair Roberto Soares Santos
- Programa de Pós-graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil; Laboratório de Neurobiologia da Dor e Inflamação, Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil.
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Neuroprotection, Recovery of Function and Endogenous Neurogenesis in Traumatic Spinal Cord Injury Following Transplantation of Activated Adipose Tissue. Cells 2019; 8:cells8040329. [PMID: 30965679 PMCID: PMC6523261 DOI: 10.3390/cells8040329] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 04/01/2019] [Accepted: 04/06/2019] [Indexed: 12/15/2022] Open
Abstract
Spinal cord injury (SCI) is a devastating disease, which leads to paralysis and is associated to substantially high costs for the individual and society. At present, no effective therapies are available. Here, the use of mechanically-activated lipoaspirate adipose tissue (MALS) in a murine experimental model of SCI is presented. Our results show that, following acute intraspinal MALS transplantation, there is an engraftment at injury site with the acute powerful inhibition of the posttraumatic inflammatory response, followed by a significant progressive improvement in recovery of function. This is accompanied by spinal cord tissue preservation at the lesion site with the promotion of endogenous neurogenesis as indicated by the significant increase of Nestin-positive cells in perilesional areas. Cells originated from MALS infiltrate profoundly the recipient cord, while the extra-dural fat transplant is gradually impoverished in stromal cells. Altogether, these novel results suggest the potential of MALS application in the promotion of recovery in SCI.
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Stem cell paracrine effect and delivery strategies for spinal cord injury regeneration. J Control Release 2019; 300:141-153. [PMID: 30851286 DOI: 10.1016/j.jconrel.2019.02.038] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 02/22/2019] [Accepted: 02/25/2019] [Indexed: 12/29/2022]
Abstract
Spinal cord injury (SCI) is a complicated neuropathological condition that results in functional dysfunction and paralysis. Various treatments have been proposed including drugs, biological factors and cells administered in several ways. Stem cell therapy offers a potentially revolutionary mode to repair the damaged spinal cord after injury. Initially, stem cells were considered promising for replacing cells and tissue lost after SCI. Many studies looked at their differentiation to replace neuronal and glial cells for a better functional outcome. However, it is becoming clear that different functional improvements recognized to stem cells are due to biomolecular activities by the transplanted stem cells rather than cell replacement. This review aimed to discuss the paracrine mechanisms for tissue repair and regeneration after stem cell transplantation in SCI. It focuses on stem cell factor production, effect in tissue restoration, and novel delivery strategies to use them for SCI therapy.
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Karova K, Wainwright JV, Machova-Urdzikova L, Pisal RV, Schmidt M, Jendelova P, Jhanwar-Uniyal M. Transplantation of neural precursors generated from spinal progenitor cells reduces inflammation in spinal cord injury via NF-κB pathway inhibition. J Neuroinflammation 2019; 16:12. [PMID: 30654804 PMCID: PMC6335809 DOI: 10.1186/s12974-019-1394-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 01/02/2019] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Traumatic spinal cord injury (SCI) triggers a chain of events that is accompanied by an inflammatory reaction leading to necrotic cell death at the core of the injury site, which is restricted by astrogliosis and apoptotic cell death in the surrounding areas. Activation of nuclear factor-κB (NF-κB) signaling pathway has been shown to be associated with inflammatory response induced by SCI. Here, we elucidate the pattern of activation of NF-κB in the pathology of SCI in rats and investigate the effect of transplantation of spinal neural precursors (SPC-01) on its activity and related astrogliosis. METHODS Using a rat compression model of SCI, we transplanted SPC-01 cells or injected saline into the lesion 7 days after SCI induction. Paraffin-embedded sections were used to assess p65 NF-κB nuclear translocation at days 1, 3, 7, 10, 14, and 28 and to determine levels of glial scaring, white and gray matter preservation, and cavity size at day 28 after SCI. Additionally, levels of p65 phosphorylated at Serine536 were determined 10, 14, and 28 days after SCI as well as levels of locally secreted TNF-α. RESULTS We determined a bimodal activation pattern of canonical p65 NF-κB signaling pathway in the pathology of SCI with peaks at 3 and 28 days after injury induction. Transplantation of SCI-01 cells resulted in significant downregulation of TNF-α production at 10 and 14 days after SCI and in strong inhibition of p65 NF-κB activity at 28 days after SCI, mainly in the gray matter. Moreover, reduced formation of glial scar was found in SPC-01-transplanted rats along with enhanced gray matter preservation and reduced cavity size. CONCLUSIONS The results of this study demonstrate strong immunomodulatory properties of SPC-01 cells based on inhibition of a major signaling pathway. Canonical NF-κB pathway activation underlines much of the immune response after SCI including cytokine, chemokine, and apoptosis-related factor production as well as immune cell activation and infiltration. Reduced inflammation may have led to observed tissue sparing. Additionally, such immune response modulation could have impacted astrocyte activation resulting in a reduced glial scar.
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Affiliation(s)
- Kristyna Karova
- Institute of Experimental Medicine, Czech Academy of Sciences, Videnska 1083, 142 20, Prague, Czech Republic
| | | | - Lucia Machova-Urdzikova
- Institute of Experimental Medicine, Czech Academy of Sciences, Videnska 1083, 142 20, Prague, Czech Republic
| | - Rishikaysh V Pisal
- Institute of Experimental Medicine, Czech Academy of Sciences, Videnska 1083, 142 20, Prague, Czech Republic
| | - Meic Schmidt
- New York Medical College, Valhalla, NY, 10595, USA
| | - Pavla Jendelova
- Institute of Experimental Medicine, Czech Academy of Sciences, Videnska 1083, 142 20, Prague, Czech Republic. .,2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06, Prague, Czech Republic.
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Xu P, Yang X. The Efficacy and Safety of Mesenchymal Stem Cell Transplantation for Spinal Cord Injury Patients: A Meta-Analysis and Systematic Review. Cell Transplant 2019; 28:36-46. [PMID: 30362373 PMCID: PMC6322141 DOI: 10.1177/0963689718808471] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/23/2018] [Accepted: 09/27/2018] [Indexed: 12/22/2022] Open
Abstract
Spinal cord injury (SCI) is a devastating disease, with a high rate of disability. In this meta-analysis, we aimed to comprehensively assess the efficacy and safety of mesenchymal stem cells (MSCs) in treating clinical SCI patients. We systematically searched the PUBMED, EMBASE, Chinese Biomedical (CBM), Web of Science and Cochrane databases using the strategy of combination of free-text words and MeSH terms. The indicators of the American Spinal Injury Association (ASIA) impairment scale (AIS)-grading improvement rate and adverse effects were displayed with an overall relative risk (RR). For the continuous variables of the ASIA motor score, light-touch score, pinprick score, activities of daily living (ADL) score, and residual urine volume, we used odds ratio (OR) to analyze the data. Eleven studies comprising 499 patients meeting all inclusion and exclusion criteria were included. No serious heterogeneity or publication bias was observed across each study. The results showed that significant improvements of total AIS grade (RR: 3.70; P < 0.001), AIS grade A (RR: 3.57; P < 0.001), ASIA sensory score (OR: 8.63; P < 0.001) and reduction of residual urine volume (OR: -36.37; P = 0.03) were observed in experimental group compared with control group. However, no significant differences of motor score (OR: 1.37, P = 0.19) and ADL score (OR: 2.61, P = 0.27) were observed between experimental and control groups. In addition, there were no serious and permanent adverse effects after cell transplantation. Cell transplantation with MSCs is effective and safe in improving the sensory and bladder functions of SCI patients.
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Affiliation(s)
- Panfeng Xu
- Department of Spine Surgery, Affiliated Wenling Hospital of Wenzhou Medical University, China
| | - Xianliang Yang
- Department of Spine Surgery, Affiliated Wenling Hospital of Wenzhou Medical University, China
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Abbaszadeh HA, Niknazar S, Darabi S, Ahmady Roozbahany N, Noori-Zadeh A, Ghoreishi SK, Khoramgah MS, Sadeghi Y. Stem cell transplantation and functional recovery after spinal cord injury: a systematic review and meta-analysis. Anat Cell Biol 2018; 51:180-188. [PMID: 30310710 PMCID: PMC6172584 DOI: 10.5115/acb.2018.51.3.180] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 03/26/2018] [Accepted: 04/13/2018] [Indexed: 12/13/2022] Open
Abstract
Spinal cord injury is a significant cause of motor dysfunctions. There is no definite cure for it, and most of the therapeutic modalities are only symptomatic treatment. In this systematic review and meta-analysis, the effectiveness of stem cell therapy in the treatment of the spinal cord injuries in animal models was studied and evaluated. A systematic search through medical databases by using appropriate keywords was conducted. The relevant reports were reviewed in order to find out cases in which inclusion and exclusion criteria had been fulfilled. Finally, 89 articles have been considered, from which 28 had sufficient data for performing statistical analyses. The findings showed a significant improvement in motor functions after cell therapy. The outcome was strongly related to the number of transplanted cells, site of injury, chronicity of the injury, type of the damage, and the induction of immune-suppression. According to our data, improvements in functional recovery after stem cell therapy in the treatment of spinal cord injury in animal models was noticeable, but its outcome is strongly related to the site of injury, number of transplanted cells, and type of transplanted cells.
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Affiliation(s)
- Hojjat-Allah Abbaszadeh
- Hearing Disorders Research Center, Loghman Hakim Medical Center and Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somayeh Niknazar
- Hearing Disorders Research Center, Loghman Hakim Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahram Darabi
- Cellular and Molecular Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Navid Ahmady Roozbahany
- Hearing Disorders Research Center, Loghman Hakim Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,G. Raymond Chang School, Ryerson University, Toronto, Canada
| | - Ali Noori-Zadeh
- Department of Clinical Biochemistry, Faculty of Paramedicine, Ilam University of Medical Sciences, Ilam, Iran
| | | | - Maryam Sadat Khoramgah
- Department of Biotechnology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Yousef Sadeghi
- Department of Biotechnology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Wang T, Fang X, Yin ZS. Endothelial progenitor cell-conditioned medium promotes angiogenesis and is neuroprotective after spinal cord injury. Neural Regen Res 2018; 13:887-895. [PMID: 29863020 PMCID: PMC5998635 DOI: 10.4103/1673-5374.232484] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Endothelial progenitor cells secrete a variety of growth factors that inhibit inflammation, promote angiogenesis and exert neuroprotective effects. Therefore, in this study, we investigated whether endothelial progenitor cell-conditioned medium might have therapeutic effectiveness for the treatment of spinal cord injury using both in vitro and in vivo experiments. After primary culture of bone marrow-derived macrophages, lipopolysaccharide stimulation was used to classically activate macrophages to their proinflammatory phenotype. These cells were then treated with endothelial progenitor cell-conditioned medium or control medium. Polymerase chain reaction was used to determine mRNA expression levels of related inflammatory factors. Afterwards, primary cultures of rat spinal cord neuronal cells were prepared and treated with H2O2 and either endothelial progenitor cell-conditioned medium or control medium. Hoechst 33258 and propidium iodide staining were used to calculate the proportion of neurons undergoing apoptosis. Aortic ring assay was performed to assess the effect of endothelial progenitor cell-conditioned medium on angiogenesis. Compared with control medium, endothelial progenitor cell-conditioned medium mitigated the macrophage inflammatory response at the spinal cord injury site, suppressed apoptosis, and promoted angiogenesis. Next, we used a rat model of spinal cord injury to examine the effects of the endothelial progenitor cell-conditioned medium in vivo. The rats were randomly administered intraperitoneal injection of PBS, control medium or endothelial progenitor cell-conditioned medium, once a day, for 6 consecutive weeks. Immunohistochemistry was used to observe neuronal morphology. Terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay was performed to detect the proportion of apoptotic neurons in the gray matter. The Basso, Beattie and Bresnahan Locomotor Rating Scale was used to evaluate the recovery of motor function of the bilateral hind limbs after spinal cord injury. Compared with the other two groups, the number of axons was increased, cavities in the spinal cord were decreased, the proportion of apoptotic neurons in the gray matter was reduced, and the Basso, Beattie and Bresnahan score was higher in the endothelial progenitor cell-conditioned medium group. Taken together, the in vivo and in vitro results suggest that endothelial progenitor cell-conditioned medium suppresses inflammation, promotes angiogenesis, provides neuroprotection, and promotes functional recovery after spinal cord injury.
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Affiliation(s)
- Tao Wang
- Department of Orthopedics, the First Affiliated Hospital of Anhui Medical University; Department of Spine Surgery, Hefei Binhu Hospital, the Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, China
| | - Xiao Fang
- Department of Orthopedics, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, China
| | - Zong-Sheng Yin
- Department of Orthopedics, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, China
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Vismara I, Papa S, Rossi F, Forloni G, Veglianese P. Current Options for Cell Therapy in Spinal Cord Injury. Trends Mol Med 2017; 23:831-849. [PMID: 28811172 DOI: 10.1016/j.molmed.2017.07.005] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Revised: 07/13/2017] [Accepted: 07/16/2017] [Indexed: 12/12/2022]
Abstract
Spinal cord injury (SCI) is a complex pathology that evolves after primary acute mechanical injury, causing further damage to the spinal cord tissue that exacerbates clinical outcomes. Based on encouraging results from preclinical experiments, some cell treatments being translated into clinical practice demonstrate promising and effective improvement in sensory/motor function. Combinatorial treatments of cell and drug/biological factors have been demonstrated to be more effective than cell treatments alone. Recent advances have led to the development of biomaterials aiming to promote in situ cell delivery for SCI, together with combinatorial strategies using drugs/biomolecules to achieve a maximized multitarget approach. This review provides an overview of single and combinatorial regenerative cell treatments as well as potential delivery options to treat SCI.
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Affiliation(s)
- Irma Vismara
- Dipartimento di Neuroscienze, Istituto Di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto di Ricerche Farmacologiche Mario Negri, via La Masa 19, 20156 Milano, Italy; These authors contributed equally to this work
| | - Simonetta Papa
- Dipartimento di Neuroscienze, Istituto Di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto di Ricerche Farmacologiche Mario Negri, via La Masa 19, 20156 Milano, Italy; These authors contributed equally to this work
| | - Filippo Rossi
- Dipartimento di Chimica, Materiali e Ingegneria Chimica 'Giulio Natta', Politecnico di Milano, via Mancinelli 7, 20131 Milano, Italy
| | - Gianluigi Forloni
- Dipartimento di Neuroscienze, Istituto Di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto di Ricerche Farmacologiche Mario Negri, via La Masa 19, 20156 Milano, Italy
| | - Pietro Veglianese
- Dipartimento di Neuroscienze, Istituto Di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto di Ricerche Farmacologiche Mario Negri, via La Masa 19, 20156 Milano, Italy.
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