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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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Chen X, Liu Y, Stavrinou P, Stavrinou L, Hu W, Goldbrunner R, Zheng F, He H. Spinal cord injury: Olfactory ensheathing cell-based therapeutic strategies. J Neurosci Res 2024; 102:e25283. [PMID: 38284859 DOI: 10.1002/jnr.25283] [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: 03/25/2023] [Revised: 08/22/2023] [Accepted: 11/16/2023] [Indexed: 01/30/2024]
Abstract
Spinal cord injury (SCI) is a highly disabling neurological disorder that is difficult to treat due to its complex pathophysiology and nerve regeneration difficulties. Hence, effective SCI treatments are necessary. Olfactory ensheathing cells (OECs), glial cells derived from the olfactory bulb or mucosa, are ideal candidates for SCI treatment because of their neuroprotective and regenerative properties, ample supply, and convenience. In vitro, animal model, and human trial studies have reported discoveries on OEC transplantation; however, shortcomings have also been demonstrated. Recent studies have optimized various OEC transplantation strategies, including drug integration, biomaterials, and gene editing. This review aims to introduce OECs mechanisms in repairing SCI, summarize the research progress of OEC transplantation-optimized strategies, and provide novel research ideas for SCI treatment.
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Affiliation(s)
- Xinli Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Yibin Liu
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Pantelis Stavrinou
- Department of Neurosurgery, Center for Neurosurgery, Faculty of Medicine and University Hospital, University of Cologne, Cologne, Germany
- Neurosurgery, Metropolitan Hospital, Athens, Greece
| | - Lampis Stavrinou
- 2nd Department of Neurosurgery, "Attikon" University Hospital, National and Kapodistrian University, Athens Medical School, Athens, Greece
| | - Weipeng Hu
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Roland Goldbrunner
- Department of Neurosurgery, Center for Neurosurgery, Faculty of Medicine and University Hospital, University of Cologne, Cologne, Germany
| | - Feng Zheng
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Hefan He
- Department of Anesthesiology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
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Denaro S, D’Aprile S, Alberghina C, Pavone AM, Torrisi F, Giallongo S, Longhitano L, Mannino G, Lo Furno D, Zappalà A, Giuffrida R, Tibullo D, Li Volti G, Vicario N, Parenti R. Neurotrophic and immunomodulatory effects of olfactory ensheathing cells as a strategy for neuroprotection and regeneration. Front Immunol 2022; 13:1098212. [PMID: 36601122 PMCID: PMC9806219 DOI: 10.3389/fimmu.2022.1098212] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022] Open
Abstract
Accumulating evidence sustains glial cells as critical players during central nervous system (CNS) development, homeostasis and disease. Olfactory ensheathing cells (OECs), a type of specialized glia cells sharing properties with both Schwann cells and astrocytes, are of critical importance in physiological condition during olfactory system development, supporting its regenerative potential throughout the adult life. These characteristics prompted research in the field of cell-based therapy to test OEC grafts in damaged CNS. Neuroprotective mechanisms exerted by OEC grafts are not limited to axonal regeneration and cell differentiation. Indeed, OEC immunomodulatory properties and their phagocytic potential encourage OEC-based approaches for tissue regeneration in case of CNS injury. Herein we reviewed recent advances on the immune role of OECs, their ability to modulate CNS microenvironment via bystander effects and the potential of OECs as a cell-based strategy for tissue regeneration.
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Affiliation(s)
- Simona Denaro
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Simona D’Aprile
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Cristiana Alberghina
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Anna Maria Pavone
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Filippo Torrisi
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Sebastiano Giallongo
- Section of Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Lucia Longhitano
- Section of Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Giuliana Mannino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Debora Lo Furno
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Agata Zappalà
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Rosario Giuffrida
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Daniele Tibullo
- Section of Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Giovanni Li Volti
- Section of Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Nunzio Vicario
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy,*Correspondence: Nunzio Vicario, ; Rosalba Parenti,
| | - Rosalba Parenti
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy,*Correspondence: Nunzio Vicario, ; Rosalba Parenti,
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Liu S, Tian H, Niu Y, Yu C, Xie L, Jin Z, Niu W, Ren J, Fu L, Yao Z. Combined cell grafting and VPA administration facilitates neural repair through axonal regeneration and synaptogenesis in traumatic brain injury. Acta Biochim Biophys Sin (Shanghai) 2022; 54:1289-1300. [PMID: 36148950 PMCID: PMC9828309 DOI: 10.3724/abbs.2022123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Neuronal regeneration and functional recovery are severely compromised following traumatic brain injury (TBI). Treatment options, including cell transplantation and drug therapy, have been shown to benefit TBI, although the underlying mechanisms remain elusive. In this study, neural stem cells (NSCs) are transplanted into TBI-challenged mice, together with olfactory ensheathing cells (OECs) or followed by valproic acid (VPA) treatment. Both OEC grafting and VPA treatment facilitate the differentiation of NSCs into neurons (including endogenous and exogenous neurons) and significantly attenuate neurological functional defects in TBI mice. Combination of NSCs with OECs or VPA administration leads to overt improvement in axonal regeneration, synaptogenesis, and synaptic plasticity in the cerebral cortex in TBI-challenged mice, as shown by retrograde corticospinal tract tracing, electron microscopy, growth-associated protein 43 (GAP43), and synaptophysin (SYN) analyses. However, these beneficial effects of VPA are reversed by local delivery of N-methyl-D-aspartate (NMDA) into tissues surrounding the injury epicenter in the cerebral cortex, accompanied by a pronounced drop in axons and synapses in the brain. Our findings reveal that increased axonal regeneration and synaptogenesis evoked by cell grafting and VPA fosters neural repair in a murine model of TBI. Moreover, VPA-induced neuroprotective roles are antagonized by exogenous NMDA administration and its concomitant decrease in the number of neurons of local brain, indicating that increased neurons induced by VPA treatment mediate axonal regeneration and synaptogenesis in mice after TBI operation. Collectively, this study provides new insights into NSC transplantation therapy for TBI.
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Affiliation(s)
- Sujuan Liu
- Department of Anatomy and EmbryologySchool of Basic Medical ScienceTianjin Medical UniversityTianjin300070China
| | - Haili Tian
- School of KinesiologyShanghai University of SportShanghai200438China
| | - Yanmei Niu
- Department of RehabilitationSchool of Medical TechnologyTianjin Medical UniversityTianjin300070China
| | - Chunxia Yu
- Department of Physiology and PathophysiologySchool of Basic Medical ScienceTianjin Medical UniversityTianjin300070China
| | - Lingjian Xie
- Department of Physiology and PathophysiologySchool of Basic Medical ScienceTianjin Medical UniversityTianjin300070China
| | - Zhe Jin
- Tianjin Yaohua Binhai SchoolTianjin300000China
| | - Wenyan Niu
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of ImmunologySchool of Basic Medical ScienceTianjin Medical UniversityTianjin300070China
| | - Jun Ren
- Department of CardiologyZhongshan Hospital Fudan UniversityShanghai Institute of Cardiovascular DiseasesShanghai200032China,Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWA98195USA,Correspondence address. Tel: +86-22-83336819; (Z.Y.) / Tel: +86-22-83336107; (L.F.) / Tel: +86-21-64041990; (J.R.) @
| | - Li Fu
- Department of RehabilitationSchool of Medical TechnologyTianjin Medical UniversityTianjin300070China,Department of Physiology and PathophysiologySchool of Basic Medical ScienceTianjin Medical UniversityTianjin300070China,Correspondence address. Tel: +86-22-83336819; (Z.Y.) / Tel: +86-22-83336107; (L.F.) / Tel: +86-21-64041990; (J.R.) @
| | - Zhi Yao
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of ImmunologySchool of Basic Medical ScienceTianjin Medical UniversityTianjin300070China,Correspondence address. Tel: +86-22-83336819; (Z.Y.) / Tel: +86-22-83336107; (L.F.) / Tel: +86-21-64041990; (J.R.) @
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