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Bonnet M, Guiraudie-Capraz G, Marqueste T, Garcia S, Jaloux C, Decherchi P, Féron F. Immediate or Delayed Transplantation of a Vein Conduit Filled with Nasal Olfactory Stem Cells Improves Locomotion and Axogenesis in Rats after a Peroneal Nerve Loss of Substance. Int J Mol Sci 2020; 21:E2670. [PMID: 32290426 PMCID: PMC7215801 DOI: 10.3390/ijms21082670] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/24/2020] [Accepted: 04/07/2020] [Indexed: 02/02/2023] Open
Abstract
Over the recent years, several methods have been experienced to repair injured peripheral nerves. Among investigated strategies, the use of natural or synthetic conduits was validated for clinical application. In this study, we assessed the therapeutic potential of vein guides, transplanted immediately or two weeks after a peroneal nerve injury and filled with olfactory ecto-mesenchymal stem cells (OEMSC). Rats were randomly allocated to five groups. A3 mm peroneal nerve loss was bridged, acutely or chronically, with a 1 cm long femoral vein and with/without OEMSCs. These four groups were compared to unoperated rats (Control group). OEMSCs were purified from male olfactory mucosae and grafted into female hosts. Three months after surgery, nerve repair was analyzed by measuring locomotor function, mechanical muscle properties, muscle mass, axon number, and myelination. We observed that stem cells significantly (i) increased locomotor recovery, (ii) partially maintained the contractile phenotype of the target muscle, and (iii) augmented the number of growing axons. OEMSCs remained in the nerve and did not migrate in other organs. These results open the way for a phase I/IIa clinical trial based on the autologous engraftment of OEMSCs in patients with a nerve injury, especially those with neglected wounds.
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Affiliation(s)
- Maxime Bonnet
- Aix Marseille Univ, CNRS, ISM, UMR 7287, Institut des Sciences du Mouvement: Etienne-Jules MAREY, Equipe Plasticité des Systèmes Nerveux et Musculaire (PSNM), Parc Scientifique et Technologique de Luminy, Faculté des Sciences du Sport de Marseille, CEDEX 09, F-13288 Marseille, France
- Aix Marseille Univ, CNRS, INP, UMR 7051, Institut de Neuropathophysiologie, Equipe Nasal Olfactory Stemness and Epigenesis (NOSE), CEDEX 15, F-13344 Marseille, France
| | - Gaëlle Guiraudie-Capraz
- Aix Marseille Univ, CNRS, INP, UMR 7051, Institut de Neuropathophysiologie, Equipe Nasal Olfactory Stemness and Epigenesis (NOSE), CEDEX 15, F-13344 Marseille, France
| | - Tanguy Marqueste
- Aix Marseille Univ, CNRS, ISM, UMR 7287, Institut des Sciences du Mouvement: Etienne-Jules MAREY, Equipe Plasticité des Systèmes Nerveux et Musculaire (PSNM), Parc Scientifique et Technologique de Luminy, Faculté des Sciences du Sport de Marseille, CEDEX 09, F-13288 Marseille, France
| | - Stéphane Garcia
- APHM, Laboratoire d'Anatomie Pathologique, Hôpital Nord, Chemin des Bourrely, CEDEX 20, F-13915 Marseille, France
| | - Charlotte Jaloux
- Aix Marseille Univ, CNRS, INP, UMR 7051, Institut de Neuropathophysiologie, Equipe Nasal Olfactory Stemness and Epigenesis (NOSE), CEDEX 15, F-13344 Marseille, France
- APHM, Unité de Culture et Thérapie Cellulaire, Hôpital de la Conception, F-13006 Marseille, France
| | - Patrick Decherchi
- Aix Marseille Univ, CNRS, ISM, UMR 7287, Institut des Sciences du Mouvement: Etienne-Jules MAREY, Equipe Plasticité des Systèmes Nerveux et Musculaire (PSNM), Parc Scientifique et Technologique de Luminy, Faculté des Sciences du Sport de Marseille, CEDEX 09, F-13288 Marseille, France
| | - François Féron
- Aix Marseille Univ, CNRS, INP, UMR 7051, Institut de Neuropathophysiologie, Equipe Nasal Olfactory Stemness and Epigenesis (NOSE), CEDEX 15, F-13344 Marseille, France
- APHM, Unité de Culture et Thérapie Cellulaire, Hôpital de la Conception, F-13006 Marseille, France
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Wang P, Zhao H, Yao Y, Lu C, Ma J, Chen R, Pan J. Repair of facial nerve crush injury in rabbits using collagen plus basic fibroblast growth factor. J Biomed Mater Res A 2020; 108:1329-1337. [PMID: 32090462 DOI: 10.1002/jbm.a.36905] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 06/05/2019] [Accepted: 02/17/2020] [Indexed: 01/21/2023]
Abstract
Facial nerves are frequently crushed or cut during facial surgery. In this study, the feasibility of repairing facial nerves in rabbits after crush or cut off injury was evaluated using collagen conduits with A collagen-binding domain (CBD)-human basic fibroblast growth factor (bFGF). A total of 39 six-month-old New Zealand White rabbits were randomly divided into four groups of nine rabbits, and bilateral crush or cut off injuries were made on each animal's face. Three rabbits were classified as the healthy control. The facial nerves were cut or crushed and then were either untreated or wrapped with a collagen conduit plus bFGF. At the 15, 30, and 90 days after the injury, three rabbits in each group were sacrificed. Regeneration of the injured facial nerve was evaluated using electrophysiological examination (compound muscle action potentials, CAMPs), scanning electron microscopy, and histological observation. The results suggested that using collagen conduits with recombinant proteins CBD-bFGF to repair facial nerves with crush or cut off injuries promoted functional facial nerve recovery. This treatment, as a possible therapeutic for patients with facial nerve injury, requires further investigation.
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Affiliation(s)
- Piao Wang
- Department of Oral and Maxillofacial Plastic & Trauma Surgery, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Hao Zhao
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Yao Yao
- Department of Prosthodontics, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Chao Lu
- Department of General Dentistry, Beijing Chongwen Hospital of Stomatology, Beijing, China
| | - Jinling Ma
- Department of Multidisciplinary Treatment Center, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Renji Chen
- Department of Oral and Maxillofacial Plastic & Trauma Surgery, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Juli Pan
- Department of Multidisciplinary Treatment Center, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
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Huard J. Stem cells, blood vessels, and angiogenesis as major determinants for musculoskeletal tissue repair. J Orthop Res 2019; 37:1212-1220. [PMID: 29786150 DOI: 10.1002/jor.24058] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 05/21/2018] [Indexed: 02/04/2023]
Abstract
This manuscript summarizes 20 years of research from my laboratories at the University of Pittsburgh and more recently, at the University of Texas Health Science Center at Houston and the Steadman Philippon Research Institute in Vail, Colorado. The discovery of muscle-derived stem cells (MDSCs) did not arise from a deliberate search to find a novel population of muscle cells with high regenerative potential, but instead was conceived in response to setbacks encountered while working in muscle cell transplantation for Duchenne muscular dystrophy (DMD). DMD is a devastating inherited X-linked muscle disease characterized by progressive muscle weakness due to lack of dystrophin expression in muscle fiber sarcolemma.1 Although the transplantation of normal myoblasts into dystrophin-deficient muscle can restore dystrophin, this approach has been hindered by limited survival (less than 1%) of the injected cells.1 The fact that 99% of the cells were not surviving implantation was seen as a major weakness with this technology by most. My research team decided to investigate which cells represent the 1% of the cells surviving post-implantation. We have subsequently confirmed that the few cells which exhibit high survival post-implantation also display stem cell characteristics, and were termed "muscle-derived stem cells" or MDSCs. Herein, I will describe the origin of these MDSCs, the mechanisms of MDSC action during tissue repair, and finally the development of therapeutic strategies to improve regeneration and repair of musculoskeletal tissues. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:1212-1220, 2019.
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Affiliation(s)
- Johnny Huard
- Department of Orthopaedic Surgery, and The Brown Foundation Institute of Molecular Medicine Center for Tissue Engineering and Aging Research, McGovern Medical School, The University of Texas Health Science Center, 1881 East Road, 3SCR6.3618, Houston, Texas, 77054.,Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, 181 W. Meadow Drive, Suite 1000, Vail, Colorado, 81657
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Musavi L, Brandacher G, Hoke A, Darrach H, Lee WPA, Kumar A, Lopez J. Muscle-derived stem cells: important players in peripheral nerve repair. Expert Opin Ther Targets 2018; 22:1009-1016. [PMID: 30347175 DOI: 10.1080/14728222.2018.1539706] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Stem cell therapy for peripheral nerve repair is a rapidly evolving field in regenerative medicine. Although most studies to date have investigated stem cells originating from bone marrow or adipose, skeletal muscle has recently been recognized as an abundant and easily accessible source of stem cells. Muscle-derived stem cells (MDSCs) are a diverse population of multipotent cells with pronounced antioxidant and regenerative capacity. Areas covered: The current literature on the various roles MDSCs serve within the micro- and macro-environment of nerve injury. Furthermore, the exciting new research that is establishing MDSC-cellular therapy as an important therapeutic modality to improve peripheral nerve regeneration. Expert opinion: MDSCs are a promising therapeutic agent for the repair of peripheral nerves; MDSCs not only undergo gliogenesis and angiogenesis, but they also orchestrate larger pro-regenerative host responses. However, the isolation, transformation, and in-vivo behavior of MDSCs require further evaluation prior to clinical application.
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Affiliation(s)
- Leila Musavi
- a Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation Laboratory , Johns Hopkins Hospital , Baltimore , Maryland
| | - Gerald Brandacher
- a Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation Laboratory , Johns Hopkins Hospital , Baltimore , Maryland
| | - Ahmet Hoke
- b The Solomon H Snyder Department of Neuroscience , Johns Hopkins University , Baltimore , Maryland
| | - Halley Darrach
- a Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation Laboratory , Johns Hopkins Hospital , Baltimore , Maryland
| | - W P Andrew Lee
- a Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation Laboratory , Johns Hopkins Hospital , Baltimore , Maryland
| | - Anand Kumar
- c Department of Plastic & Reconstructive Surgery , Case Western Reserve University, Rainbow Babies Children's Hospital , Cleveland , OH , USA
| | - Joseph Lopez
- a Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation Laboratory , Johns Hopkins Hospital , Baltimore , Maryland
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Bueno CRDS, Pereira M, Aparecido I, Buchaim RL, Andreo JC, Rodrigues ADC, Marco G. Comparative study between standard and inside-out vein graft techniques on sciatic nerve repair of rats. Muscular and functional analysis. Acta Cir Bras 2017; 32:287-296. [PMID: 28538803 DOI: 10.1590/s0102-865020170040000005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Accepted: 03/13/2017] [Indexed: 11/22/2022] Open
Abstract
Purpose: To compare the functional result of standart vein grafts and inside-out vein graft technique on sciatic nerve repair. Methods: We used 24 male Wistar rats divided into 4 groups: control group (CG), standard vein graft group (SVG), Inside-out vein graft group (IOVG) and denervated Group (DG). SVG, IOVG and DG underwent total section of the sciatic nerve, SVG and IOVG however underwent nerve repair surgery using a graft with normal jugular vein and inside-out jugular vein, respectively. Histological analysis of the soleus and Extensor Digitorum Longus (EDL), and Sciatic Functional Index were used to compare the results after 6 weeks. Results: Both grafts acted favorably in muscle recovery and improved functionality; They were similar in all parameters, however, in more points SVG achieved similar to the CG, in the other hand IOVG more times was similar to DG. Fact that makes the graft with normal vein the most viable option between the two options. Conclusion: Both types of grafts acted beneficially wherein the graft normal vein has proved to be the best option.
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Affiliation(s)
- Cleuber Rodrigo de Souza Bueno
- Graduate student, Department of Biological Sciences, Universidade do Sagrado Coração (USC), Bauru-SP, Brazil. Technical procedures; acquisition, analysis and interpretation of data; histopathological examinations; manuscript preparation
| | - Mizael Pereira
- MSc, Department of Biological Sciences (Anatomy), Faculdade de Odontologia de Bauru, Universidade de São Paulo (FOB-USP), Bauru-SP, Brazil. Analysis and interpretation of data, histopathological examinations, manuscript preparation and writing
| | - Idvaldo Aparecido
- MSc, Department of Biological Sciences (Anatomy), FOB-USP, Bauru-SP, Brazil. Acquisition of data, technical procedures
| | - Rogerio Leone Buchaim
- PhD, Associate Professor, Department of Biological Sciences (Anatomy), FOB-USP, Bauru-SP, Brazil. Scientific and intellectual content of the study, statitics analysis
| | - Jesus Carlos Andreo
- PhD, Full Professor, Department of Biological Sciences (Anatomy), FOB-USP, Bauru-SP, Brazil. Scientific and intellectual content of the study
| | - Antônio de Castro Rodrigues
- PhD, Associate Professor, Department of Biological Sciences (Anatomy), FOB-USP, Bauru-SP, Brazil. Conception, design, scientific and intellectual content of the study; final approval
| | - Geraldo Marco
- PhD, Associate Professor, Department of Biological Sciences, USC, Bauru-SP, Brazil. Conception and design of the study, critical revision, final approval
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Sadek AF, Fouly EH, Abdel-Aziz AA, Sayed MA, El-Mahboub NM, Hamdy M. Autogenous Vein Wrapping versus In Situ Decompression for Management of Secondary Cubital Tunnel Syndrome after Surgical Fixation of Elbow Fractures: Short-Term Functional and Neurophysiological Outcome. J Hand Microsurg 2016; 8:38-44. [PMID: 27616826 DOI: 10.1055/s-0036-1582017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
PURPOSE The aim of this study was to compare the functional and neurophysiological outcome of in situ decompression versus in situ decompression augmented with autogenous vein wrapping in management of secondary cubital tunnel syndrome at the elbow following fixation of elbow fractures. METHODS A prospective comparative randomized study was performed on 29 patients who were divided into two groups: group I (in situ decompression) and group II (in situ decompression augmented with autogenous vein wrapping). We measured the patients' demographics, subjective reports of symptoms, and objective evaluation of the functional and neurophysiological outcomes of both groups. RESULTS Group II patients achieved statistically better results in both neurophysiological scoring and clinical sensory rating but not in all other parameters. CONCLUSION Autogenous vein wrapping for secondary cubital tunnel syndrome after elbow fracture fixation only provides a better sensory outcome. LEVEL OF EVIDENCE Level II, therapeutic prospective comparative study.
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Xue JW, Jiao JB, Liu XF, Jiang YT, Yang G, Li CY, Yin WT, Ling L. Inhibition of Peripheral Nerve Scarring by Calcium Antagonists, Also Known as Calcium Channel Blockers. Artif Organs 2015; 40:514-20. [PMID: 26488333 DOI: 10.1111/aor.12584] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The aim of this research was to investigate the impact of calcium channel blockers (verapamil) on the formation of scars in the sciatic nerve anastomosis after peripheral nerve injury. One hundred twenty healthy, male Sprague-Dawley rats were selected and prepared with right sciatic nerve injury for this study. Samples were selected at the fourth and 12th weeks, respectively, after treatment and observations were made on the nerve anastomosis healing and diameter. Image analysis and statistical processing were carried out relating to the results of the study. The diameter of the anastomosis of the treatment group at weeks 4 and 12 was noticeably smaller than the control group (P < 0.05). In the treatment group at week 4, there were many vesicles observed in the fibroblasts' cytosol and in the control group, the fibroblasts exhibited high number of rough endoplasmic reticulum. The collagen content of the nerve scarring at week 12 in the treatment group was apparently less than the control group (P < 0.01). The calcium channel blocker (verapamil) reduced the axon resistance through the anastomosis during nerve regeneration. It can effectively inhibit the formation of scarring from nerve injury. It also provided an excellent microenvironment for the regeneration of nerve fibers.
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Affiliation(s)
- Jin-Wei Xue
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Jian-Bao Jiao
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Xiao-Feng Liu
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Yuan-Tao Jiang
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Guang Yang
- Department of Orthopedic Surgery, Chinese-Japan Union Hospital of Jilin University, Changchun, China
| | - Chun-Yu Li
- Department of Orthopedic Surgery, Chinese-Japan Union Hospital of Jilin University, Changchun, China
| | - Wei-Tian Yin
- Department of Orthopedic Surgery, Chinese-Japan Union Hospital of Jilin University, Changchun, China
| | - Li Ling
- Department of Neurology, Affiliated Hospital of Hebei University, Baoding, China
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Li D, Wang C, Shan W, Zeng R, Fang Y, Wang P. Human amnion tissue injected with human umbilical cord mesenchymal stem cells repairs damaged sciatic nerves in rats. Neural Regen Res 2015; 7:1771-8. [PMID: 25624800 PMCID: PMC4302525 DOI: 10.3969/j.issn.1673-5374.2012.23.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 05/03/2012] [Indexed: 01/14/2023] Open
Abstract
Human umbilical cord mesenchymal stem cells, incorporated into an amnion carrier tubes, were assessed for nerve regeneration potential in a rat nerve defect model. Damaged nerves were exposed to human amnion carriers containing either human umbilical cord mesenchymal stem cell (cell transplantation group) or saline (control group). At 8, 12, 16 and 20 weeks after cell implantation, the sciatic functional index was higher in the cell transplantation group compared with the control group. Furthermore, electrophysiological examination showed that threshold stimulus and maximum stimulus intensity gradually decreased while compound action potential amplitude gradually increased. Hematoxylin-eosin staining showed that regenerating nerve fibers were arranged in nerve tracts in the cell transplantation group and connective tissue between nerve tracts and amnion tissue reduced over time. Gastrocnemius muscle cell diameter, wet weight and restoration ratio were increased. These data indicate that transplanted human umbilical cord mesenchymal stem cells, using the amnion tube connection method, promote restoration of damaged sciatic nerves in rats.
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Affiliation(s)
- Dehua Li
- Department of Anatomy, Liaoning Medical University, Jinzhou 121001, Liaoning Province, China
| | - Changhui Wang
- Department of Neurology, Fushun Second Hospital, Fushun 113001, Liaoning Province, China
| | - Wei Shan
- Department of Anatomy, Liaoning Medical University, Jinzhou 121001, Liaoning Province, China
| | - Ruixia Zeng
- Department of Anatomy, Liaoning Medical University, Jinzhou 121001, Liaoning Province, China
| | - Yan Fang
- Department of Anatomy, Liaoning Medical University, Jinzhou 121001, Liaoning Province, China
| | - Pan Wang
- Department of Anatomy, Liaoning Medical University, Jinzhou 121001, Liaoning Province, China
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Lu C, Meng D, Cao J, Xiao Z, Cui Y, Fan J, Cui X, Chen B, Yao Y, Zhang Z, Ma J, Pan J, Dai J. Collagen scaffolds combined with collagen‐binding ciliary neurotrophic factor facilitate facial nerve repair in mini‐pigs. J Biomed Mater Res A 2014; 103:1669-76. [DOI: 10.1002/jbm.a.35305] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 07/28/2014] [Accepted: 07/31/2014] [Indexed: 01/22/2023]
Affiliation(s)
- Chao Lu
- Department of VIP Service, School of StomatologyCapital Medical University Beijing10050 China
| | - Danqing Meng
- State Key Laboratory of Molecular Developmental BiologyInstitute of Genetics and Developmental Biology, Chinese Academy of Sciences, 3 Nanyitiao, Zhongguancun Beijing100190 China
- Graduate SchoolChinese Academy of Sciences Beijing100190 China
| | - Jiani Cao
- State Key Laboratory of Molecular Developmental BiologyInstitute of Genetics and Developmental Biology, Chinese Academy of Sciences, 3 Nanyitiao, Zhongguancun Beijing100190 China
| | - Zhifeng Xiao
- State Key Laboratory of Molecular Developmental BiologyInstitute of Genetics and Developmental Biology, Chinese Academy of Sciences, 3 Nanyitiao, Zhongguancun Beijing100190 China
| | - Yi Cui
- State Key Laboratory of Molecular Developmental BiologyInstitute of Genetics and Developmental Biology, Chinese Academy of Sciences, 3 Nanyitiao, Zhongguancun Beijing100190 China
- Reproductive and Genetic Center of National Research Institute for Family Planning Beijing100081 China
| | - Jingya Fan
- Department of VIP Service, School of StomatologyCapital Medical University Beijing10050 China
| | - Xiaolong Cui
- Graduate SchoolChinese Academy of Sciences Beijing100190 China
| | - Bing Chen
- State Key Laboratory of Molecular Developmental BiologyInstitute of Genetics and Developmental Biology, Chinese Academy of Sciences, 3 Nanyitiao, Zhongguancun Beijing100190 China
| | - Yao Yao
- Department of VIP Service, School of StomatologyCapital Medical University Beijing10050 China
| | - Zhen Zhang
- Department of VIP Service, School of StomatologyCapital Medical University Beijing10050 China
| | - Jinling Ma
- Department of VIP Service, School of StomatologyCapital Medical University Beijing10050 China
| | - Juli Pan
- Department of VIP Service, School of StomatologyCapital Medical University Beijing10050 China
| | - Jianwu Dai
- State Key Laboratory of Molecular Developmental BiologyInstitute of Genetics and Developmental Biology, Chinese Academy of Sciences, 3 Nanyitiao, Zhongguancun Beijing100190 China
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Murakami K, Kuniyoshi K, Iwakura N, Matsuura Y, Suzuki T, Takahashi K, Ohtori S. Vein wrapping for chronic nerve constriction injury in a rat model: study showing increases in VEGF and HGF production and prevention of pain-associated behaviors and nerve damage. J Bone Joint Surg Am 2014; 96:859-67. [PMID: 24875027 DOI: 10.2106/jbjs.l.01790] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Although efficacious clinical results have been reported after vein wrapping for the treatment of recurrent compressive neuropathy, the mechanism of nerve protection remains uncertain. METHODS Eight-week-old male Wistar rats (n = 90) were randomly divided into three groups: sham procedure, chronic constriction injury, and chronic constriction injury plus vein wrapping. Mechanical withdrawal thresholds and walking patterns were measured with use of von Frey filaments and the CatWalk system, respectively. We investigated L4-L5 dorsal root ganglia immunohistochemically at fourteen days postsurgery and sciatic nerves histologically at fourteen days and again five months postsurgery. Concentrations of several sciatic neurotrophic factors in the ligated sciatic nerves were quantified with use of ELISA (enzyme-linked immunosorbent assay). RESULTS In behavioral tests, the rats in which the chronic constriction injury had been followed by vein wrapping displayed significantly greater pain responses than the sham group, and the group with untreated chronic constriction injury showed greater pain responses than the vein-wrapping group (both p < 0.05). Immunoreactive markers of inflammation and nerve damage, calcitonin gene-related peptide (CGRP) and activating transcription factor-3 (ATF3), were upregulated in dorsal root ganglion neurons in the constriction-injury and vein-wrapping groups compared with those in the sham group, with greater upregulation in the constriction-injury group than in the vein-wrapping group (both p < 0.01). Histologic observation showed marked nerve degeneration and scar tissue formation around the sciatic nerve in the constriction-injury group, but these effects were prevented to some extent in the vein-wrapping group. Vascular endothelial growth factor (VEGF) levels at one and three days postsurgery and hepatocyte growth factor (HGF) levels at three, seven, fourteen, and twenty-eight days postsurgery were significantly higher in the vein-wrapping group than in the other groups (p < 0.05). CONCLUSIONS Vein wrapping decreased pain-associated behavior and nerve damage caused by chronic constriction injury. VEGF and HGF produced in response to vein grafts may play a mechanistic role. CLINICAL RELEVANCE These findings may lead to development of new therapies employing growth factors, with or without other materials, that simulate vein wrapping.
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Affiliation(s)
- Kenichi Murakami
- Department of Orthopedic Surgery (K.M., K.K., Y.M., K.T., and S.O.) and Department of Bioenvironmental Medicine (T.S.), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan. E-mail address for K. Murakami: srdioz@gm
| | - Kazuki Kuniyoshi
- Department of Orthopedic Surgery (K.M., K.K., Y.M., K.T., and S.O.) and Department of Bioenvironmental Medicine (T.S.), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan. E-mail address for K. Murakami: srdioz@gm
| | - Nahoko Iwakura
- Department of Orthopedics, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Yusuke Matsuura
- Department of Orthopedic Surgery (K.M., K.K., Y.M., K.T., and S.O.) and Department of Bioenvironmental Medicine (T.S.), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan. E-mail address for K. Murakami: srdioz@gm
| | - Takane Suzuki
- Department of Orthopedic Surgery (K.M., K.K., Y.M., K.T., and S.O.) and Department of Bioenvironmental Medicine (T.S.), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan. E-mail address for K. Murakami: srdioz@gm
| | - Kazuhisa Takahashi
- Department of Orthopedic Surgery (K.M., K.K., Y.M., K.T., and S.O.) and Department of Bioenvironmental Medicine (T.S.), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan. E-mail address for K. Murakami: srdioz@gm
| | - Seiji Ohtori
- Department of Orthopedic Surgery (K.M., K.K., Y.M., K.T., and S.O.) and Department of Bioenvironmental Medicine (T.S.), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan. E-mail address for K. Murakami: srdioz@gm
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Pang Y, Hong Q, Zheng J. Sensory reinnervation of muscle spindles after repair of tibial nerve defects using autogenous vein grafts. Neural Regen Res 2014; 9:610-5. [PMID: 25206863 PMCID: PMC4146236 DOI: 10.4103/1673-5374.130103] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2014] [Indexed: 12/24/2022] Open
Abstract
Motor reinnervation after repair of tibial nerve defects using autologous vein grafts in rats has previously been reported, but sensory reinnervation after the same repair has not been fully investigated. In this study, partial sensory reinnervation of muscle spindles was observed after repair of 10-mm left tibial nerve defects using autologous vein grafts with end-to-end anastomosis in rats, and functional recovery was confirmed by electrophysiological studies. There were no significant differences in the number, size, or electrophysiological function of reinnervated muscle spindles between the two experimental groups. These findings suggest that repair of short nerve defects with autologous vein grafts provides comparable results to immediate end-to-end anastomosis in terms of sensory reinnervation of muscle spindles.
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Affiliation(s)
- Youwang Pang
- Department of Orthopedics, the 180 Hospital of Chinese PLA, Quanzhou, Fujian Province, China
| | - Qingnan Hong
- Department of Orthopedics, the 180 Hospital of Chinese PLA, Quanzhou, Fujian Province, China
| | - Jinan Zheng
- Department of Orthopedics, the 180 Hospital of Chinese PLA, Quanzhou, Fujian Province, China
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Yang XN, Jin YQ, Bi H, Wei W, Cheng J, Liu ZY, Shen Z, Qi ZL, Cao Y. Peripheral nerve repair with epimysium conduit. Biomaterials 2013; 34:5606-16. [PMID: 23623227 DOI: 10.1016/j.biomaterials.2013.04.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Accepted: 04/08/2013] [Indexed: 12/18/2022]
Abstract
Autologous tissues such as skeletal muscle have high biocampatibility and can effectively promote nerve regeneration compared to other biological and artificial materials; however, the reasonable and effective application of skeletal muscle requires further study. The purpose of this investigation was to assess the possibility of preparing a hollow nerve conduit, termed the epimysium conduit (EMC), using thin crimps of epimysium with skeletal muscle fibers and evaluate its effectiveness in repairing peripheral nerve defects. We prepared nerve conduits containing lumen with the external oblique muscle of the CAG-EFGP transgenic mice using microsurgical techniques for bridge repair of a 5-mm long sciatic nerve defect in wild-type mice. Systematic histological and functional assessments of the regenerated nerves were performed 8 and 12 weeks after surgery. EMC was found to effectively repair the sciatic nerve defect with significantly greater effectiveness than artificial conduits; however, the repair effect of EMC was lower than that of autologous nerve grafting for some parameters. In addition, our findings showed that some EMC-derived cell components migrated into the region of the regenerated nerves and contributed to reconstruction. Based on these findings, we conclude that a hollow conduit prepared with epimysium and a few skeletal muscle fibers is ideal for repairing peripheral nerve defects, and the cell components in the grafts contribute to nerve regeneration and structural remodeling, which provides an alternative option for the emergency primary repair of peripheral nerve defects in clinical practice.
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Affiliation(s)
- Xiao-Nan Yang
- Department of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
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Abstract
Various types of natural biological conduits have been investigated as alternatives to the current surgical standard approach for peripheral nerve injuries. Autologous nerve graft, the current gold standard for peripheral nerve damage, is limited by clinical challenges such as donor-site morbidity and limited availability. The purpose of this study was to evaluate the efficacy of using acellular xenographic conduits (nerve, artery, and dermis) for the repair of a 1.2 cm critical size defect of peripheral nerve in a rodent model. Four months post surgery, the animal group receiving acellular artery as a nerve conduit showed excellent physiological outcome in terms of the prevention of muscle atrophy and foot ulcer. Histological assessment of the bridged site revealed excellent axon regeneration, as opposed to the nonrepaired control group or the group receiving dermal conduit. Finally, the study evaluated the potential improvement via the addition of undifferentiated mesenchymal stem cells into the artery conduit during the bridging procedure. The mesenchymal stem cell–dosed artery conduit group resulted in significantly higher concentration of regenerated axons over artery conduit alone, and exhibited accelerated muscle atrophy rescue. Our results demonstrated that xenographic artery conduits promoted excellent axonal regeneration with highly promising clinical relevance.
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Affiliation(s)
- I-Chien Liao
- Department of Research & Development, LifeCell Corporation, Bridgewater, NJ, USA
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