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Li H, Yin Z, Yue S, An Y, Wang X, Zhou S, Meng L, Jin B. Effect of valproic acid combined with transplantation of olfactory ensheathing cells modified by neurotrophic 3 gene on nerve protection and repair after traumatic brain injury. Neuropeptides 2024; 103:102389. [PMID: 37945445 DOI: 10.1016/j.npep.2023.102389] [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: 07/19/2023] [Revised: 10/19/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Traumatic brain injury (TBI) often leads to cognitive and neurological dysfunction. Valproic acid (VPA) has a neuroprotective effect in acute central nervous system diseases; the neurotrophin 3 gene (NT-3) can maintain the survival of neurons, and olfactory ensheathing cells (OECs) can promote the growth of nerve axons. This study aimed to evaluate the restorative effect of VPA combined with NT-3 modified OECs (NT-3-OECs) on neurological function after TBI. METHODS The neurological severity score (NSS) of rats was evaluated on the 1st, 7th, 14th, and 28th day after TBI modeling and corresponding intervention. Hematoxylin-eosin (HE) staining, p75 nerve growth factor receptor (P75), glial fibrillary acidic protein (GFAP), and neurofilament protein (NF)staining, and argyrophilic staining were used to observe the morphology of brain tissue 28 days after modeling. Moreover, TdT-mediated dUTP Nick-End Labeling (TUNEL) was used to detect the apoptosis rate of neurons. The changes in synapses and mitochondria in the injured area were observed by electron microscope. RESULTS NT-3-OECs transplantation can increase the content of NT-3 in brain tissue, and NT-3-OECs can survive for >28 days. The NSS score of the TBI-VPA-NT-3-OECs group 28 days after cell transplantation was significantly lower than that of the other model treatment groups (P < 0.05). The morphological structure of the brain tissue was more complete, and the neurofilament fibers were neatly arranged, achieving better results than those of the other groups. The apoptosis rate of nerve cells in the TBI-VPA-NT-3-OECs group was significantly lower than in the other treatment groups (P < 0.05). Furthermore, the number of synapses in the combined intervention group was significantly higher than in the other treatment groups, and the mitochondrial structure was more complete. CONCLUSION NT-3-OECs have good biological function, and VPA combined with NT-3-OECs transplantation can effectively improve the prognosis of TBI rats.
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Affiliation(s)
- Haiming Li
- Henan Key Laboratory of Neurorestoratology, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China
| | - Zhijie Yin
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China
| | - Shuangzhu Yue
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China
| | - Yunying An
- Department of Clinical Laboratory, Xinxiang Central Hospital, Xinxiang 453000, Henan, China
| | - Xiaoyin Wang
- Henan Key Laboratory of Neurorestoratology, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China
| | - Shifang Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China
| | - Lei Meng
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China
| | - Baozhe Jin
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui 453100, Henan, China.
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Castaño O, López-Mengual A, Reginensi D, Matamoros-Angles A, Engel E, Del Rio JA. Chemotactic TEG3 Cells' Guiding Platforms Based on PLA Fibers Functionalized With the SDF-1α/CXCL12 Chemokine for Neural Regeneration Therapy. Front Bioeng Biotechnol 2021; 9:627805. [PMID: 33829009 PMCID: PMC8019790 DOI: 10.3389/fbioe.2021.627805] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 03/01/2021] [Indexed: 12/14/2022] Open
Abstract
(Following spinal cord injury, olfactory ensheathing cell (OEC) transplantation is a promising therapeutic approach in promoting functional improvement. Some studies report that the migratory properties of OECs are compromised by inhibitory molecules and potentiated by chemical concentration differences. Here we compare the attachment, morphology, and directionality of an OEC-derived cell line, TEG3 cells, seeded on functionalized nanoscale meshes of Poly(l/dl-lactic acid; PLA) nanofibers. The size of the nanofibers has a strong effect on TEG3 cell adhesion and migration, with the PLA nanofibers having a 950 nm diameter being the ones that show the best results. TEG3 cells are capable of adopting a bipolar morphology on 950 nm fiber surfaces, as well as a highly dynamic behavior in migratory terms. Finally, we observe that functionalized nanofibers, with a chemical concentration increment of SDF-1α/CXCL12, strongly enhance the migratory characteristics of TEG3 cells over inhibitory substrates.
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Affiliation(s)
- Oscar Castaño
- Electronics and Biomedical Engineering, Universitat de Barcelona, Barcelona, Spain.,Biomaterials for Regenerative Therapies, Institute of Bioengineering of Catalonia, Parc Cientific de Barcelona, Barcelona, Spain.,CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain.,Bioelectronics Unit and Nanobioeneering Laboratory, Institute for Nanoscience and Nanotechnology of the University of Barcelona, Barcelona, Spain
| | - Ana López-Mengual
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia, Parc Cientific de Barcelona, Barcelona, Spain.,Department of Cell Biology, Physiology and Immunology, Faculty of Biology, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Barcelona, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Diego Reginensi
- School of Medicine, Universidad de Panamá, Panama City, Panama.,Biomedical Engineering Program, Universidad Latina de Panamá, Panama City, Panama
| | - Andreu Matamoros-Angles
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia, Parc Cientific de Barcelona, Barcelona, Spain.,Department of Cell Biology, Physiology and Immunology, Faculty of Biology, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Barcelona, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Elisabeth Engel
- Biomaterials for Regenerative Therapies, Institute of Bioengineering of Catalonia, Parc Cientific de Barcelona, Barcelona, Spain.,CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain.,IMEM-BRT Group, Department of Materials Science, EEBE, Technical University of Catalonia (UPC), Barcelona, Spain
| | - José Antonio Del Rio
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia, Parc Cientific de Barcelona, Barcelona, Spain.,Department of Cell Biology, Physiology and Immunology, Faculty of Biology, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Barcelona, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain
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3
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Exendin-4 Promotes Schwann Cell Survival/Migration and Myelination In Vitro. Int J Mol Sci 2021; 22:ijms22062971. [PMID: 33804063 PMCID: PMC7999558 DOI: 10.3390/ijms22062971] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/22/2021] [Accepted: 03/12/2021] [Indexed: 02/06/2023] Open
Abstract
Besides its insulinotropic actions on pancreatic β cells, neuroprotective activities of glucagon-like peptide-1 (GLP-1) have attracted attention. The efficacy of a GLP-1 receptor (GLP-1R) agonist exendin-4 (Ex-4) for functional repair after sciatic nerve injury and amelioration of diabetic peripheral neuropathy (DPN) has been reported; however, the underlying mechanisms remain unclear. In this study, the bioactivities of Ex-4 on immortalized adult rat Schwann cells IFRS1 and adult rat dorsal root ganglion (DRG) neuron–IFRS1 co-culture system were investigated. Localization of GLP-1R in both DRG neurons and IFRS1 cells were confirmed using knockout-validated monoclonal Mab7F38 antibody. Treatment with 100 nM Ex-4 significantly enhanced survival/proliferation and migration of IFRS1 cells, as well as stimulated the movement of IFRS1 cells toward neurites emerging from DRG neuron cell bodies in the co-culture with the upregulation of myelin protein 22 and myelin protein zero. Because Ex-4 induced phosphorylation of serine/threonine-specific protein kinase AKT in these cells and its effects on DRG neurons and IFRS1 cells were attenuated by phosphatidyl inositol-3′-phosphate-kinase (PI3K) inhibitor LY294002, Ex-4 might act on both cells to activate PI3K/AKT signaling pathway, thereby promoting myelination in the co-culture. These findings imply the potential efficacy of Ex-4 toward DPN and other peripheral nerve lesions.
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Prager J, Ito D, Carwardine DR, Jiju P, Chari DM, Granger N, Wong LF. Delivery of chondroitinase by canine mucosal olfactory ensheathing cells alongside rehabilitation enhances recovery after spinal cord injury. Exp Neurol 2021; 340:113660. [PMID: 33647272 DOI: 10.1016/j.expneurol.2021.113660] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/21/2021] [Accepted: 02/24/2021] [Indexed: 01/11/2023]
Abstract
Spinal cord injury (SCI) can cause chronic paralysis and incontinence and remains a major worldwide healthcare burden, with no regenerative treatment clinically available. Intraspinal transplantation of olfactory ensheathing cells (OECs) and injection of chondroitinase ABC (chABC) are both promising therapies but limited and unpredictable responses are seen, particularly in canine clinical trials. Sustained delivery of chABC presents a challenge due to its thermal instability; we hypothesised that transplantation of canine olfactory mucosal OECs genetically modified ex vivo by lentiviral transduction to express chABC (cOEC-chABC) would provide novel delivery of chABC and synergistic therapy. Rats were randomly divided into cOEC-chABC, cOEC, or vehicle transplanted groups and received transplant immediately after dorsal column crush corticospinal tract (CST) injury. Rehabilitation for forepaw reaching and blinded behavioural testing was conducted for 8 weeks. We show that cOEC-chABC transplanted animals recover greater forepaw reaching accuracy on Whishaw testing and more normal gait than cOEC transplanted or vehicle control rats. Increased CST axon sprouting cranial to the injury and serotonergic fibres caudal to the injury suggest a mechanism for recovery. We therefore demonstrate that cOECs can deliver sufficient chABC to drive modest functional improvement, and that this genetically engineered cellular and molecular approach is a feasible combination therapy for SCI.
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Affiliation(s)
- Jon Prager
- Bristol Veterinary School, University of Bristol, Bristol, UK; The Royal Veterinary College, University of London, Hatfield, UK
| | - Daisuke Ito
- Bristol Medical School, University of Bristol, Bristol, UK; School of Veterinary Medicine, Nihon University, Japan
| | | | - Prince Jiju
- Bristol Medical School, University of Bristol, Bristol, UK
| | - Divya M Chari
- Neural Tissue Engineering, Keele School of Medicine, Keele University, Keele, UK
| | - Nicolas Granger
- The Royal Veterinary College, University of London, Hatfield, UK
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5
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Yang X, Ji C, Liu X, Zheng C, Zhang Y, Shen R, Zhou Z. The significance of the neuregulin-1/ErbB signaling pathway and its effect on Sox10 expression in the development of terminally differentiated Schwann cells in vitro. Int J Neurosci 2020; 132:171-180. [PMID: 32757877 DOI: 10.1080/00207454.2020.1806266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE The purpose of this study was to explore the significance of the neuregulin-1/ErbB signaling pathway and its effect on Sox10 expression in the course of the differentiation of mouse bone marrow mesenchymal stem cells into Schwann-like cells in vitro. MATERIALS AND METHODS The experiment was conducted with three groups-control, TAK 165, and HRG-off. In the control group, we used the classical induction method of adding β-ME, RA, FSK, b-FGF, PDGF, and neuregulin (HRG); the cells were collected on the 7th day. Using the same basic protocol as the control group, the specific ErbB2 inhibitor mubritinib (TAK 165) was added to block the neuregulin-1/ErbB pathway in the TAK 165 group, while HRG was not added in the HRG-off group. We detected the degree of differentiation of stem cells into Schwann-like cells by using RT-PCR to examine the expression of Sox10, NRG-1, ErbB2, ErbB3, and ErbB4 and by using immunofluorescence staining to examine the Schwann cell marker S100B, Glial Fibrillary Acidic Protein (GFAP) and P75. RESULTS Our results showed that the proliferation of Schwann cells was reduced and apoptosis was increased in the TAK 165 group and the HRG-off group. Sox10 was stably expressed and NRG-1, ErbB2, and ErbB3 increased in the control group. However, the expression of Sox10 in the TAK 165 group was obviously decreased at the end of induced differentiation; meanwhile, the degree of stem cell differentiation also decreased. CONCLUSIONS the neuregulin-1/ErbB signaling pathway plays an important role in the differentiation of bone marrow mesenchymal stem cells into Schwann-like cells and can promote the maintenance of Sox10 。.
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Affiliation(s)
- Xizhong Yang
- Department of Human Anatomy, Medical College of Qingdao University, Qingdao, P.R China.,Department of Orthopaedics, Jimo people's Hospital, Qingdao, P.R China
| | - Cuijie Ji
- Department of Orthopaedics, Jimo people's Hospital, Qingdao, P.R China
| | - Xinyue Liu
- Department of Human Anatomy, Medical College of Qingdao University, Qingdao, P.R China
| | - Chaoqun Zheng
- Department of Human Anatomy, Medical College of Qingdao University, Qingdao, P.R China
| | - Yanxin Zhang
- Department of Human Anatomy, Medical College of Qingdao University, Qingdao, P.R China
| | - Ruowu Shen
- Department of Human Anatomy, Medical College of Qingdao University, Qingdao, P.R China
| | - Zangong Zhou
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao, P.R China
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Takaku S, Sango K. Zonisamide enhances neurite outgrowth from adult rat dorsal root ganglion neurons, but not proliferation or migration of Schwann cells. Histochem Cell Biol 2019; 153:177-184. [PMID: 31879799 PMCID: PMC7060162 DOI: 10.1007/s00418-019-01839-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2019] [Indexed: 01/06/2023]
Abstract
Zonisamide, an anti-epileptic and anti-Parkinson’s disease drug, displays neurotrophic activity on cultured motor neurons and facilitates axonal regeneration after peripheral nerve injury in mice, but its underlying mechanisms remain unclear. In this study, zonisamide enhanced neurite outgrowth from cultured adult rat dorsal root ganglion (DRG) neurons in a concentration-dependent manner (1 μM < 10 μM < 100 μM), and its activity was significantly attenuated by co-treatment with a phosphatidyl inositol-3′-phosphate-kinase (PI3K) inhibitor LY294002 or a mitogen-activated protein kinase (MAPK) inhibitor U0126. In agreement with these findings, 100 μM zonisamide for 1 h induced phosphorylation of AKT and ERK1/2, key molecules of PI3K and MAPK signaling pathways, respectively in mouse neuroblastoma × rat DRG neuron hybrid cells ND7/23. In contrast, zonisamide failed to promote proliferation or migration of immortalized Fischer rat Schwann cells 1 (IFRS1). These findings suggest that the beneficial effects of zonisamide on peripheral nerve regeneration may be attributable to its direct actions on neurons through PI3K and MAPK pathways, rather than the stimulation of Schwann cells.
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Affiliation(s)
- Shizuka Takaku
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Kazunori Sango
- Diabetic Neuropathy Project, Department of Sensory and Motor Systems, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.
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7
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Intranasal Borna Disease Virus (BoDV-1) Infection: Insights into Initial Steps and Potential Contagiosity. Int J Mol Sci 2019; 20:ijms20061318. [PMID: 30875911 PMCID: PMC6470550 DOI: 10.3390/ijms20061318] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/10/2019] [Accepted: 03/10/2019] [Indexed: 12/11/2022] Open
Abstract
Mammalian Bornavirus (BoDV-1) typically causes a fatal neurologic disorder in horses and sheep, and was recently shown to cause fatal encephalitis in humans with and without transplant reception. It has been suggested that BoDV-1 enters the central nervous system (CNS) via the olfactory pathway. However, (I) susceptible cell types that replicate the virus for successful spread, and (II) the role of olfactory ensheathing cells (OECs), remained unclear. To address this, we studied the intranasal infection of adult rats with BoDV-1 in vivo and in vitro, using olfactory mucosal (OM) cell cultures and the cultures of purified OECs. Strikingly, in vitro and in vivo, viral antigen and mRNA were present from four days post infection (dpi) onwards in the olfactory receptor neurons (ORNs), but also in all other cell types of the OM, and constantly in the OECs. In contrast, in vivo, BoDV-1 genomic RNA was only detectable in adult and juvenile ORNs, nerve fibers, and in OECs from 7 dpi on. In vitro, the rate of infection of OECs was significantly higher than that of the OM cells, pointing to a crucial role of OECs for infection via the olfactory pathway. Thus, this study provides important insights into the transmission of neurotropic viral infections with a zoonotic potential.
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8
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Schwarz S, Spitzbarth I, Baumgärtner W, Lehmbecker A. Cryopreservation of Canine Primary Dorsal Root Ganglion Neurons and Its Impact upon Susceptibility to Paramyxovirus Infection. Int J Mol Sci 2019; 20:ijms20051058. [PMID: 30823498 PMCID: PMC6429404 DOI: 10.3390/ijms20051058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/22/2019] [Accepted: 02/25/2019] [Indexed: 12/26/2022] Open
Abstract
Canine dorsal root ganglion (DRG) neurons, isolated post mortem from adult dogs, could provide a promising tool to study neuropathogenesis of neurotropic virus infections with a non-rodent host spectrum. However, access to canine DRG is limited due to lack of donor tissue and the cryopreservation of DRG neurons would greatly facilitate experiments. The present study aimed (i) to establish canine DRG neurons as an in vitro model for canine distemper virus (CDV) infection; and (ii) to determine whether DRG neurons are cryopreservable and remain infectable with CDV. Neurons were characterized morphologically and phenotypically by light microscopy, immunofluorescence, and functionally, by studying their neurite outgrowth and infectability with CDV. Cryopreserved canine DRG neurons remained in culture for at least 12 days. Furthermore, both non-cryopreserved and cryopreserved DRG neurons were susceptible to infection with two different strains of CDV, albeit only one of the two strains (CDV R252) provided sufficient absolute numbers of infected neurons. However, cryopreserved DRG neurons showed reduced cell yield, neurite outgrowth, neurite branching, and soma size and reduced susceptibility to CDV infection. In conclusion, canine primary DRG neurons represent a suitable tool for investigations upon the pathogenesis of neuronal CDV infection. Moreover, despite certain limitations, cryopreserved canine DRG neurons generally provide a useful and practicable alternative to address questions regarding virus tropism and neuropathogenesis.
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Affiliation(s)
- Sarah Schwarz
- Department of Pathology, University of Veterinary Medicine, 30559 Hannover, Germany.
- Center for Systems Neuroscience, 30559 Hannover, Germany.
| | - Ingo Spitzbarth
- Department of Pathology, University of Veterinary Medicine, 30559 Hannover, Germany.
- Center for Systems Neuroscience, 30559 Hannover, Germany.
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine, 30559 Hannover, Germany.
- Center for Systems Neuroscience, 30559 Hannover, Germany.
| | - Annika Lehmbecker
- Department of Pathology, University of Veterinary Medicine, 30559 Hannover, Germany.
- Center for Systems Neuroscience, 30559 Hannover, Germany.
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Georgiou M, Reis JND, Wood R, Esteban PP, Roberton V, Mason C, Li D, Li Y, Choi D, Wall I. Bioprocessing strategies to enhance the challenging isolation of neuro-regenerative cells from olfactory mucosa. Sci Rep 2018; 8:14440. [PMID: 30262897 PMCID: PMC6160430 DOI: 10.1038/s41598-018-32748-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 09/10/2018] [Indexed: 01/01/2023] Open
Abstract
Olfactory ensheathing cells (OECs) are a promising potential cell therapy to aid regeneration. However, there are significant challenges in isolating and characterizing them. In the current study, we have explored methods to enhance the recovery of cells expressing OEC marker p75NTR from rat mucosa. With the addition of a 24-hour differential adhesion step, the expression of p75NTR was significantly increased to 73 ± 5% and 46 ± 18% on PDL and laminin matrices respectively. Additionally, the introduction of neurotrophic factor NT-3 and the decrease in serum concentration to 2% FBS resulted in enrichment of OECs, with p75NTR at nearly 100% (100 ± 0% and 98 ± 2% on PDL and laminin respectively), and candidate fibroblast marker Thy1.1 decreased to zero. Culturing OECs at physiologically relevant oxygen tension (2-8%) had a negative impact on p75NTR expression and overall cell survival. Regarding cell potency, co-culture of OECs with NG108-15 neurons resulted in more neuronal growth and potential migration at atmospheric oxygen. Moreover, OECs behaved similarly to a Schwann cell line positive control. In conclusion, this work identified key bioprocessing fundamentals that will underpin future development of OEC-based cell therapies for potential use in spinal cord injury repair. However, there is still much work to do to create optimized isolation methods.
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Affiliation(s)
- Melanie Georgiou
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.,Cell and Gene Therapy Catapult, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Joana Neves Dos Reis
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Rachael Wood
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.,Aston Medical Research Institute and School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK
| | - Patricia Perez Esteban
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.,Aston Medical Research Institute and School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK
| | - Victoria Roberton
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Chris Mason
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK
| | - Daqing Li
- Spinal Repair Unit, Department of Brain, Repair and Rehabilitation, Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - Ying Li
- Spinal Repair Unit, Department of Brain, Repair and Rehabilitation, Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK
| | - David Choi
- Spinal Repair Unit, Department of Brain, Repair and Rehabilitation, Institute of Neurology, University College London, Queen Square, London, WC1N 3BG, UK.,National Hospital for Neurology and Neurosurgery, Queen Square, London, WC1N 3BG, UK
| | - Ivan Wall
- Department of Biochemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK. .,Aston Medical Research Institute and School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK. .,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea.
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10
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Rich CA, Perera SN, Andratschke J, Stolt CC, Buehler DP, Southard-Smith EM, Wegner M, Britsch S, Baker CVH. Olfactory ensheathing cells abutting the embryonic olfactory bulb express Frzb, whose deletion disrupts olfactory axon targeting. Glia 2018; 66:2617-2631. [PMID: 30256452 PMCID: PMC6517278 DOI: 10.1002/glia.23515] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 07/19/2018] [Accepted: 07/30/2018] [Indexed: 12/11/2022]
Abstract
We and others previously showed that in mouse embryos lacking the transcription factor Sox10, olfactory ensheathing cell (OEC) differentiation is disrupted, resulting in defective olfactory axon targeting and fewer gonadotropin‐releasing hormone (GnRH) neurons entering the embryonic forebrain. The underlying mechanisms are unclear. Here, we report that OECs in the olfactory nerve layer express Frzb—encoding a secreted Wnt inhibitor with roles in axon targeting and basement membrane breakdown—from embryonic day (E)12.5, when GnRH neurons first enter the forebrain, until E16.5, the latest stage examined. The highest levels of Frzb expression are seen in OECs in the inner olfactory nerve layer, abutting the embryonic olfactory bulb. We find that Sox10 is required for Frzb expression in OECs, suggesting that loss of Frzb could explain the olfactory axon targeting and/or GnRH neuron migration defects seen in Sox10‐null mice. At E16.5, Frzb‐null embryos show significant reductions in both the volume of the olfactory nerve layer expressing the maturation marker Omp and the number of Omp‐positive olfactory receptor neurons in the olfactory epithelium. As Omp upregulation correlates with synapse formation, this suggests that Frzb deletion indeed disrupts olfactory axon targeting. In contrast, GnRH neuron entry into the forebrain is not significantly affected. Hence, loss of Frzb may contribute to the olfactory axon targeting phenotype, but not the GnRH neuron phenotype, of Sox10‐null mice. Overall, our results suggest that Frzb secreted from OECs in the olfactory nerve layer is important for olfactory axon targeting. Frzb is expressed by olfactory ensheathing cells abutting the embryonic mouse olfactory bulb. Frzb expression requires Sox10. Deletion of Frzb disrupts olfactory receptor neuron maturation, likely reflecting a defect in olfactory axon targeting.
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Affiliation(s)
- Constance A Rich
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Surangi N Perera
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | | | - C Claus Stolt
- Institut für Biochemie, Emil-Fischer-Zentrum, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Dennis P Buehler
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - E Michelle Southard-Smith
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Michael Wegner
- Institut für Biochemie, Emil-Fischer-Zentrum, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Stefan Britsch
- Institute of Molecular and Cellular Anatomy, Ulm University, Ulm, Germany
| | - Clare V H Baker
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
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11
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Liu H, Pu Y, Xu Y, Xu H, Liu H, Cheng Y, Xu W, Chen X, Fan J. Olfactory-ensheathing cells promote physiological repair of injured recurrent laryngeal nerves and functional recovery of glottises in dogs. Mol Cell Biochem 2018; 446:115-125. [PMID: 29492839 DOI: 10.1007/s11010-018-3279-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 01/16/2018] [Indexed: 10/17/2022]
Abstract
The aim of this study was to investigate whether the transplantation of olfactory-ensheathing cells (OECs) could physiologically repair severely injured recurrent laryngeal nerve (RLN) in dogs. Adult Beagle dogs were surgically introduced with a 10-mm defect in the left RLN and transplanted with a nerve guide (NEUROLAC) containing dog olfactory mucosa-olfactory-ensheathing cells (OM-OECs) in matrigel. The effects of OM-OECs on the morphology, histology, and electrophysiology of the injured RLNs, glottis movement, and voice acoustics were comparatively studied. Two months after transplantation, the normal dogs (group N) had intact left RLNs that contained axons well organized as bundles, transmitted action potentials of high amplitudes without latent phases, and modulated glottis movement to produce normal voices. The RLN-damaged dogs transplanted with OM-OECs (group CTT) had pieces of nerves regenerated in the place of the defects, which contained fewer axons scattered in the internal nerve membrane and wrapped peripherally by the connective tissue, prevented the distal trunk of the defected RLN from shrinking, transmitted action potentials of lower amplitudes with latent phases, and modulated a slightly impaired glottis movement to produce voices with slight differences compared to the N dogs. The RLN-damaged dogs without OM-OECs (group NC) had no nerves generated at the defective or the damaged area, leading to a shrinkage in the enervated distal nerve trunks; a blockage in nerve pulse transit; a paralysis of the left vocal cords; an impaired glottis movement; and abnormal voices. Transplantation of OM-OECs promoted nerve regeneration, and the recoveries of glottises and voices in dogs with RLN injury.
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Affiliation(s)
- Hongyi Liu
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Yu Pu
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Yaping Xu
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - He Xu
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Huanhai Liu
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Yin Cheng
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Weihua Xu
- Department of Otolaryngology Head and Neck Surgery, Gongli Hospital, Second Military Medical University, Shanghai, 200135, China
| | - Xiaoping Chen
- Department of Otolaryngology Head and Neck Surgery, Gongli Hospital, Second Military Medical University, Shanghai, 200135, China.
| | - Jingping Fan
- Department of Otolaryngology Head and Neck Surgery, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China.
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12
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Carwardine D, Prager J, Neeves J, Muir EM, Uney J, Granger N, Wong LF. Transplantation of canine olfactory ensheathing cells producing chondroitinase ABC promotes chondroitin sulphate proteoglycan digestion and axonal sprouting following spinal cord injury. PLoS One 2017; 12:e0188967. [PMID: 29228020 PMCID: PMC5724818 DOI: 10.1371/journal.pone.0188967] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 11/16/2017] [Indexed: 11/19/2022] Open
Abstract
Olfactory ensheathing cell (OEC) transplantation is a promising strategy for treating spinal cord injury (SCI), as has been demonstrated in experimental SCI models and naturally occurring SCI in dogs. However, the presence of chondroitin sulphate proteoglycans within the extracellular matrix of the glial scar can inhibit efficient axonal repair and limit the therapeutic potential of OECs. Here we have used lentiviral vectors to genetically modify canine OECs to continuously deliver mammalian chondroitinase ABC at the lesion site in order to degrade the inhibitory chondroitin sulphate proteoglycans in a rodent model of spinal cord injury. We demonstrate that these chondroitinase producing canine OECs survived at 4 weeks following transplantation into the spinal cord lesion and effectively digested chondroitin sulphate proteoglycans at the site of injury. There was evidence of sprouting within the corticospinal tract rostral to the lesion and an increase in the number of corticospinal axons caudal to the lesion, suggestive of axonal regeneration. Our results indicate that delivery of the chondroitinase enzyme can be achieved with the genetically modified OECs to increase axon growth following SCI. The combination of these two promising approaches is a potential strategy for promoting neural regeneration following SCI in veterinary practice and human patients.
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Affiliation(s)
- Darren Carwardine
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Jonathan Prager
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Jacob Neeves
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Elizabeth M. Muir
- Department of Physiology Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - James Uney
- Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Nicolas Granger
- School of Veterinary Sciences, University of Bristol, Bristol, United Kingdom
| | - Liang-Fong Wong
- Bristol Medical School, University of Bristol, Bristol, United Kingdom
- * E-mail:
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13
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Lin X, Wang L, Wang F. Chondromodulin‑I suppresses tumorigenesis of human osteosarcoma cells. Mol Med Rep 2017; 16:8542-8548. [PMID: 28983591 DOI: 10.3892/mmr.2017.7629] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 08/03/2017] [Indexed: 11/06/2022] Open
Abstract
Osteosarcoma is the most common type of bone cancer, and accounts for ~3% of cancers that occurring in children. Chondromodulin‑I (ChM-I) is a 25 kDa glycoprotein that is expressed mainly in cartilage. ChM-I demonstrates anti‑angiogenic activity and has been suggested to inhibit endothelial cells from invading cartilage, and then has been shown to be an inhibitor of tumorigenesis. However, it remains unclear if ChM‑I has any direct anti‑tumorigenesis role on osteosarcoma. Therefore, the present study aimed to identify whether ChM‑I has any direct inhibit effect on human osteosarcoma cells. A bromodeoxyuridine incorporation assay was performed on the Saos‑2 human osteosarcoma cell line treated with or without recombinant human ChM‑I, to evaluate its impact on DNA synthesis. An adenovirus carrier for the expression of ChM‑I was constructed and transfected into tumor cells in vitro to evaluate the effect of ChM‑I on tumor cells. Additionally, ChM‑I was knocked down by using small interfering RNA to downregulate the expression of ChM‑I. Cell invasion, migration and cell‑colony formation assays, and xenograft tumor experiments were performed to evaluate the effects of ChM‑I on tumor cells in vitro and in vivo. The results demonstrated that ChM‑I could suppress DNA synthesis of human osteosarcoma cells, and it also exerted an inhibitory effect on the proliferation and colony formation abilities of human osteosarcoma cells. In addition, ChM‑I inhibited cell invasion and migration in vitro and suppressed osteosarcoma cell growth significantly in vivo. In conclusion, ChM‑I directly suppressed the proliferation and growth of osteosarcoma cells in an anchorage‑independent manner, and may therefore be a promising drug for the treatment of osteosarcoma.
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Affiliation(s)
- Xiangbo Lin
- Department of Orthopedics, Rizhao People's Hospital, Rizhao, Shandong 276826, P.R. China
| | - Lijun Wang
- Department of Neurosurgery, Rizhao People's Hospital, Rizhao, Shandong 276826, P.R. China
| | - Faming Wang
- Department of Orthopedics, Wulian People's Hospital, Rizhao, Shandong 262300, P.R. China
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14
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Steffensen N, Lehmbecker A, Gerhauser I, Wang Y, Carlson R, Tipold A, Baumgärtner W, Stein VM. Generation and characterization of highly purified canine Schwann cells from spinal nerve dorsal roots as potential new candidates for transplantation strategies. J Tissue Eng Regen Med 2017; 12:e422-e437. [DOI: 10.1002/term.2478] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 05/06/2017] [Accepted: 05/09/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Nicole Steffensen
- Department of Small Animal Medicine and Surgery; University of Veterinary Medicine; Hannover Germany
| | - Annika Lehmbecker
- Department of Pathology; University of Veterinary Medicine; Hannover Germany
- Center for Systems Neuroscience; Hannover Germany
| | - Ingo Gerhauser
- Department of Pathology; University of Veterinary Medicine; Hannover Germany
| | - Yimin Wang
- Department of Pathology; University of Veterinary Medicine; Hannover Germany
- Center for Systems Neuroscience; Hannover Germany
| | - Regina Carlson
- Department of Small Animal Medicine and Surgery; University of Veterinary Medicine; Hannover Germany
| | - Andrea Tipold
- Department of Small Animal Medicine and Surgery; University of Veterinary Medicine; Hannover Germany
- Center for Systems Neuroscience; Hannover Germany
| | - Wolfgang Baumgärtner
- Department of Pathology; University of Veterinary Medicine; Hannover Germany
- Center for Systems Neuroscience; Hannover Germany
| | - Veronika M. Stein
- Department of Small Animal Medicine and Surgery; University of Veterinary Medicine; Hannover Germany
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15
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Xu H, Wang Y, He Z, Yang H, Gao WQ. Direct conversion of mouse fibroblasts to GABAergic neurons with combined medium without the introduction of transcription factors or miRNAs. Cell Cycle 2016; 14:2451-60. [PMID: 26114472 DOI: 10.1080/15384101.2015.1060382] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Degeneration or loss of GABAergic neurons frequently may lead to many neuropsychiatric disorders such as epilepsy and autism spectrum disorders. So far no clinically effective therapies can slow and halt the progression of these diseases. Cell-replacement therapy is a promising strategy for treatment of these neuropsychiatric diseases. Although increasing evidence showed that mammalian somatic cells can be directly converted into functional neurons using specific transcription factors or miRNAs via virus delivery, the application of these induced neurons is potentially problematic, due to integration of vectors into the host genome, which results in the disruption or dysfunction of nearby genes. Here, we show that mouse fibroblasts could be efficiently reprogrammed into GABAergic neurons in a combined medium composed of conditioned medium from neurotrophin-3 modified Olfactory Ensheathing Cells (NT3-OECs) plus SB431542, GDNF and RA. Following 3 weeks of induction, these cells derived from fibroblasts acquired the morphological and phenotypical GABAerigic neuronal properties, as demonstrated by the expression of neuronal markers including Tuj1, NeuN, Neurofilament-L, GABA, GABA receptors and GABA transporter 1. More importantly, these converted cells acquired neuronal functional properties such as synapse formation and increasing intracellular free calcium influx when treated with BayK, a specific activator of L-type calcium channel. Therefore, our findings demonstrate for the first time that fibroblasts can be directly converted into GABAergic neurons without ectopic expression of specific transcription factors or miRNA. This study may provide a promising cell source for the application of cell replacement therapy in neuropsychiatric disorders.
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Affiliation(s)
- Huiming Xu
- a State Key Laboratory of Oncogenes and Related Genes; Renji-MedX Clinical Stem Cell Research Center; Ren Ji Hospital; School of Medicine; Shanghai Jiao Tong University ; Shangha , China
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16
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Scheiblich H, Bicker G. Nitric oxide regulates antagonistically phagocytic and neurite outgrowth inhibiting capacities of microglia. Dev Neurobiol 2015; 76:566-84. [PMID: 26264566 DOI: 10.1002/dneu.22333] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 07/28/2015] [Accepted: 08/04/2015] [Indexed: 12/16/2022]
Abstract
Traumatic injury or the pathogenesis of some neurological disorders is accompanied by inflammatory cellular mechanisms, mainly resulting from the activation of central nervous system (CNS) resident microglia. Under inflammatory conditions, microglia up-regulate the inducible isoform of NOS (iNOS), leading to the production of high concentrations of the radical molecule nitric oxide (NO). At the onset of inflammation, high levels of microglial-derived NO may serve as a cellular defense mechanism helping to clear the damaged tissue and combat infection of the CNS by invading pathogens. However, the excessive overproduction of NO by activated microglia has been suggested to govern the inflammation-mediated neuronal loss causing eventually complete neurodegeneration. Here, we investigated how NO influences phagocytosis of neuronal debris by BV-2 microglia, and how neurite outgrowth of human NT2 model neurons is affected by microglial-derived NO. The presence of NO greatly increased microglial phagocytic capacity in a model of acute inflammation comprising lipopolysaccharide (LPS)-activated microglia and apoptotic neurons. Chemical manipulations suggested that NO up-regulates phagocytosis independently of the sGC/cGMP pathway. Using a transwell system, we showed that reactive microglia inhibit neurite outgrowth of human neurons via the generation of large amounts of NO over effective distances in the millimeter range. Application of a NOS blocker prevented the LPS-induced NO production, totally reversed the inhibitory effect of microglia on neurite outgrowth, but reduced the engulfment of neuronal debris. Our results indicate that a rather simple notion of treating excessive inflammation in the CNS by NO synthesis blocking agents has to consider functionally antagonistic microglial cell responses during pharmaceutic therapy.
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Affiliation(s)
- Hannah Scheiblich
- Division of Cell Biology, University of Veterinary Medicine Hannover, Germany
| | - Gerd Bicker
- Division of Cell Biology, University of Veterinary Medicine Hannover, Germany.,Center for Systems Neuroscience Hannover, Germany
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17
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Reginensi D, Carulla P, Nocentini S, Seira O, Serra-Picamal X, Torres-Espín A, Matamoros-Angles A, Gavín R, Moreno-Flores MT, Wandosell F, Samitier J, Trepat X, Navarro X, del Río JA. Increased migration of olfactory ensheathing cells secreting the Nogo receptor ectodomain over inhibitory substrates and lesioned spinal cord. Cell Mol Life Sci 2015; 72:2719-37. [PMID: 25708702 PMCID: PMC11113838 DOI: 10.1007/s00018-015-1869-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 02/06/2015] [Accepted: 02/17/2015] [Indexed: 11/29/2022]
Abstract
Olfactory ensheathing cell (OEC) transplantation emerged some years ago as a promising therapeutic strategy to repair injured spinal cord. However, inhibitory molecules are present for long periods of time in lesioned spinal cord, inhibiting both OEC migration and axonal regrowth. Two families of these molecules, chondroitin sulphate proteoglycans (CSPG) and myelin-derived inhibitors (MAIs), are able to trigger inhibitory responses in lesioned axons. Mounting evidence suggests that OEC migration is inhibited by myelin. Here we demonstrate that OEC migration is largely inhibited by CSPGs and that inhibition can be overcome by the bacterial enzyme Chondroitinase ABC. In parallel, we have generated a stable OEC cell line overexpressing the Nogo receptor (NgR) ectodomain to reduce MAI-associated inhibition in vitro and in vivo. Results indicate that engineered cells migrate longer distances than unmodified OECs over myelin or oligodendrocyte-myelin glycoprotein (OMgp)-coated substrates. In addition, they also show improved migration in lesioned spinal cord. Our results provide new insights toward the improvement of the mechanisms of action and optimization of OEC-based cell therapy for spinal cord lesion.
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Affiliation(s)
- Diego Reginensi
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Patricia Carulla
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Sara Nocentini
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Oscar Seira
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
- Blusson Spinal Cord Centre and Department of Zoology, Faculty of Science, International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, Canada
| | - Xavier Serra-Picamal
- Integrative cell and tissue dynamics, Institute for Bioengineering of Catalonia, 08028 Barcelona, Spain
| | - Abel Torres-Espín
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Edif. M, Universitat Autònoma de Barcelona, Bellaterra, 08193 Spain
- Grupo de Neurobiología, Instituto de Investigaciones Biosanitarias, Facultad de Ciencias Biosanitarias, Universidad Francisco de Vitoria, Pozuelo de Alarcón 28223, Madrid, Spain
| | - Andreu Matamoros-Angles
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Rosalina Gavín
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | | | - Francisco Wandosell
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), CBM-UAM, Madrid, Spain
| | - Josep Samitier
- Nanobioengineering Laboratory, . Institute for Bioengineering of Catalonia, 08028 Barcelona, Spain
- Department of Electronics, University of Barcelona, Centro de Investigaciòn Médica en Red, Biomecánica, Biomateriales y Nanotecnologìa (CIBERBBN), Barcelona, Spain
| | - Xavier Trepat
- University of Barcelona, 08028 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain
| | - Xavier Navarro
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Edif. M, Universitat Autònoma de Barcelona, Bellaterra, 08193 Spain
- Grupo de Neurobiología, Instituto de Investigaciones Biosanitarias, Facultad de Ciencias Biosanitarias, Universidad Francisco de Vitoria, Pozuelo de Alarcón 28223, Madrid, Spain
| | - José Antonio del Río
- Molecular and Cellular Neurobiotechnology, Institute of Bioengineering of Catalonia (IBEC), Parc Científic de Barcelona, Baldiri Reixac 15-12, 08028 Barcelona, Spain
- Department of Cell Biology, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
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18
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Radtke C, Kocsis JD. Olfactory-ensheathing cell transplantation for peripheral nerve repair: update on recent developments. Cells Tissues Organs 2015; 200:48-58. [PMID: 25765445 DOI: 10.1159/000369006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2014] [Indexed: 11/19/2022] Open
Abstract
A number of important advances have been made using transplantation of olfactory-ensheathing cells (OECs) to provide therapeutic effects with regard to peripheral nerve repair. In vivo studies have focused on transplanting OECs to stimulate axonal regeneration and sprouting, increase remyelination, confer neuroprotection, enhance neovascularization and replace lost cells. OECs support axonal regeneration and remyelination with appropriate formation of axonal nodes of Ranvier with improvement of nerve conduction velocity. Current work using gene profiling and proteomics is identifying potential therapeutic differences between OECs harvested from nasal mucosa and the olfactory bulb and genes that OECs express that may be conducive to neural repair. OECs derived from nasal mucosa are of clinical interest since the cells could potentially be harvested from a patient and used for autotransplantation. Various nerve scaffolds and materials have been used for nerve repair and recent studies have examined OECs in combination with various supportive materials, including nanoparticles and scaffolds for peripheral nerve substance defects. This review will discuss the use of OECs in nerve repair and nerve defect injuries with specific emphasis on differences between OECs derived from the olfactory bulb and the olfactory mucosa.
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19
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Roloff F, Scheiblich H, Dewitz C, Dempewolf S, Stern M, Bicker G. Enhanced neurite outgrowth of human model (NT2) neurons by small-molecule inhibitors of Rho/ROCK signaling. PLoS One 2015; 10:e0118536. [PMID: 25714396 PMCID: PMC4340918 DOI: 10.1371/journal.pone.0118536] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 01/20/2015] [Indexed: 12/02/2022] Open
Abstract
Axonal injury in the adult human central nervous system often results in loss of sensation and motor functions. Promoting regeneration of severed axons requires the inactivation of growth inhibitory influences from the tissue environment and stimulation of the neuron intrinsic growth potential. Especially glial cell derived factors, such as chondroitin sulfate proteoglycans, Nogo-A, myelin-associated glycoprotein, and myelin in general, prevent axon regeneration. Most of the glial growth inhibiting factors converge onto the Rho/ROCK signaling pathway in neurons. Although conditions in the injured nervous system are clearly different from those during neurite outgrowth in vitro, here we use a chemical approach to manipulate Rho/ROCK signalling with small-molecule agents to encourage neurite outgrowth in cell culture. The development of therapeutic treatments requires drug testing not only on neurons of experimental animals, but also on human neurons. Using human NT2 model neurons, we demonstrate that the pain reliever Ibuprofen decreases RhoA (Ras homolog gene family, member A GTPase) activation and promotes neurite growth. Inhibition of the downstream effector Rho kinase by the drug Y-27632 results in a strong increase in neurite outgrowth. Conversely, activation of the Rho pathway by lysophosphatidic acid results in growth cone collapse and eventually to neurite retraction. Finally, we show that blocking of Rho kinase, but not RhoA results in an increase in neurons bearing neurites. Due to its anti-inflammatory and neurite growth promoting action, the use of a pharmacological treatment of damaged neural tissue with Ibuprofen should be explored.
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Affiliation(s)
- Frank Roloff
- Division of Cell Biology, University of Veterinary Medicine Hannover, Bischofsholer Damm 15/102, 30173, Hannover, Germany
| | - Hannah Scheiblich
- Division of Cell Biology, University of Veterinary Medicine Hannover, Bischofsholer Damm 15/102, 30173, Hannover, Germany
| | - Carola Dewitz
- Division of Cell Biology, University of Veterinary Medicine Hannover, Bischofsholer Damm 15/102, 30173, Hannover, Germany
| | - Silke Dempewolf
- Division of Cell Biology, University of Veterinary Medicine Hannover, Bischofsholer Damm 15/102, 30173, Hannover, Germany
| | - Michael Stern
- Division of Cell Biology, University of Veterinary Medicine Hannover, Bischofsholer Damm 15/102, 30173, Hannover, Germany
| | - Gerd Bicker
- Division of Cell Biology, University of Veterinary Medicine Hannover, Bischofsholer Damm 15/102, 30173, Hannover, Germany
- Center for Systems Neuroscience, Hannover, Germany
- * E-mail:
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20
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NT-3 attenuates the growth of human neuron cells through the ERK pathway. Cytotechnology 2014; 68:659-64. [PMID: 25501303 DOI: 10.1007/s10616-014-9813-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Accepted: 10/27/2014] [Indexed: 12/15/2022] Open
Abstract
Spinal cord injury is a devastating health problem that affects thousands of individuals each year. The neurons were destroyed. NT-3 is a recently discovered neurotrophin. This study sought to understand the potential involvement of MAPKs in NT-3-mediated growth inhibition of human neurons. We applied different concentrations of NT-3 and observed the growth rate of the cells and the changes in the phosphorylation state of the MAPKs ERK1/2, JNK and p38. This study discovered that NT-3-induced HNC growth was promoted primarily by phosphorylated ERK1/2, and that this phosphorylation, as well p90(rsk)phosphorylation, was mediated by TrkC. The ERK1/2 pathway is known to play an essential role in the NT-3-mediated growth of human neurons. In conclusion, our study suggests that NT-3 promotes the growth of human neurons cells primarily through the TrkC/ERK pathway.
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21
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Scheiblich H, Bicker G. Regulation of microglial migration, phagocytosis, and neurite outgrowth by HO-1/CO signaling. Dev Neurobiol 2014; 75:854-76. [DOI: 10.1002/dneu.22253] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 11/26/2014] [Indexed: 12/11/2022]
Affiliation(s)
- Hannah Scheiblich
- Division of Cell Biology; University of Veterinary Medicine Hannover; Hannover Germany
| | - Gerd Bicker
- Division of Cell Biology; University of Veterinary Medicine Hannover; Hannover Germany
- Center for Systems Neuroscience Hannover; Hannover Germany
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22
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Zhang J, Liu Z, Chen H, Duan Z, Zhang L, Chen L, Li B. Synergic effects of EPI-NCSCs and OECs on the donor cells migration, the expression of neurotrophic factors, and locomotor recovery of contused spinal cord of rats. J Mol Neurosci 2014; 55:760-9. [PMID: 25239519 DOI: 10.1007/s12031-014-0416-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 08/27/2014] [Indexed: 01/19/2023]
Abstract
Cell-based therapy is a promising strategy for the repair of spinal cord injury (SCI), and the synergic effects of donor cells are emphasized in recent years. In this study, epidermal neural crest stem cells (EPI-NCSCs) and olfactory ensheathing cells (OECs) were transplanted into the contused spinal cord of rats separately or jointly at 1 week after injury. At 3 and 9 weeks posttransplantation, migration of the donor cells, expression of brain-derived neurotrophic factor (BDNF) and glial cell line-derived neurotrophic factor (GDNF) and functional recovery of the contused cord were determined by techniques of histopathology, quantitative real-time polymerase chain reaction (qPCR), immunohistochemistry and Basso-Beattie-Bresnahan (BBB) score. The results showed that the migration and distribution of EPI-NCSCs in vivo were promoted by OECs at 3 weeks after transplantation, but they vanished at 9 weeks. The expression of BDNF and GDNF was significantly increased by co-transplantation at molecular and protein level. Although the expression of both factors in EPI-NCSCs- and OECs-injected group was lower than in co-injected group, it was higher than in control groups. Similarly, the best locomotor recovery of the contused cord was acquired from co-injected animals. As we know, this is the first time to study the synergic effects of EPI-NCSCs and OECs, and the data indicates that donor cells migration, expression of neurotrophic factors (NTFs), and recovery of motor function can be improved by EPI-NCSCs and OECs synergistically.
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Affiliation(s)
- Jieyuan Zhang
- Research Institute of Surgery, Daping Hospital, Third Military Medical University, 400042, Chongqing, People's Republic of China,
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Li L, Adnan H, Xu B, Wang J, Wang C, Li F, Tang K. Effects of transplantation of olfactory ensheathing cells in chronic spinal cord injury: a systematic review and meta-analysis. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2014; 24:919-30. [DOI: 10.1007/s00586-014-3416-6] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2013] [Revised: 06/08/2014] [Accepted: 06/08/2014] [Indexed: 12/28/2022]
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Ding P, Yang Z, Wang W, Wang J, Xue L. Transplantation of bone marrow stromal cells enhances infiltration and survival of CNP and Schwann cells to promote axonal sprouting following complete transection of spinal cord in adult rats. Am J Transl Res 2014; 6:224-235. [PMID: 24936216 PMCID: PMC4058305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Accepted: 03/21/2014] [Indexed: 06/03/2023]
Abstract
This study aimed to investigate the roles of bone marrow stromal cells (BMSCs) in promoting axonal regeneration after complete transection of spinal cord in adult rats. Transplantation was done 9 days after injury. Only a few BMSCs were detected at the injury site 8 weeks after transplantation, yet there was robust growth of axons. The scarcity of surviving BMSCs may attribute to the adverse conditions in their ambient environment. In this connection, the immediate accumulation of a large number of macrophages/reactive microglia following BMSCs transplantation and subsequent cavitation of tissues may be detrimental to their survival. An unexpected finding following BMSCs transplantation was the marked increase in the nestin, GFAP, NF200, olig 3 and CNP positive cells at the injury site. Immunoelectron microscopy showed CNP cells were oval or fibroblast-like and had multiple perineurial-like compartments with long extending filopodia. The spatial relationship between regenerating axons and CNP-positive cells was also confirmed by double immunofluorescence staining. Our results suggest that transplantation of BMSCs elicits the influx and survival of local cells including CNP positive cells and Schwann cells into injury site, which provide structural support for the axon regeneration and remyelination after spinal cord injury.
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Affiliation(s)
- Peng Ding
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University295 Xichang Rd, Kunming 650032, China
| | - Zhiyong Yang
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University295 Xichang Rd, Kunming 650032, China
| | - Weimin Wang
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University295 Xichang Rd, Kunming 650032, China
| | - Jinkun Wang
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University295 Xichang Rd, Kunming 650032, China
| | - Liping Xue
- Department of Ophthalmology, Yunnan NO.2 Provincial People’s Hospital176 Qingnian Rd, Kunming 650021, China
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Biological Roles of Olfactory Ensheathing Cells in Facilitating Neural Regeneration: A Systematic Review. Mol Neurobiol 2014; 51:168-79. [DOI: 10.1007/s12035-014-8664-2] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Accepted: 02/18/2014] [Indexed: 10/25/2022]
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