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Zhang M, An H, Zhang F, Jiang H, Wan T, Wen Y, Han N, Zhang P. Prospects of Using Chitosan-Based Biopolymers in the Treatment of Peripheral Nerve Injuries. Int J Mol Sci 2023; 24:12956. [PMID: 37629137 PMCID: PMC10454829 DOI: 10.3390/ijms241612956] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/10/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
Peripheral nerve injuries are common neurological disorders, and the available treatment options, such as conservative management and surgical repair, often yield limited results. However, there is growing interest in the potential of using chitosan-based biopolymers as a novel therapeutic approach to treating these injuries. Chitosan-based biopolymers possess unique characteristics, including biocompatibility, biodegradability, and the ability to stimulate cell proliferation, making them highly suitable for repairing nerve defects and promoting nerve regeneration and functional recovery. Furthermore, these biopolymers can be utilized in drug delivery systems to control the release of therapeutic agents and facilitate the growth of nerve cells. This comprehensive review focuses on the latest advancements in utilizing chitosan-based biopolymers for peripheral nerve regeneration. By harnessing the potential of chitosan-based biopolymers, we can pave the way for innovative treatment strategies that significantly improve the outcomes of peripheral nerve injury repair, offering renewed hope and better prospects for patients in need.
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Affiliation(s)
- Meng Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (M.Z.)
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, Beijing 100044, China
| | - Heng An
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China; (H.A.)
| | - Fengshi Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (M.Z.)
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, Beijing 100044, China
| | - Haoran Jiang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (M.Z.)
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, Beijing 100044, China
| | - Teng Wan
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (M.Z.)
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, Beijing 100044, China
| | - Yongqiang Wen
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China; (H.A.)
| | - Na Han
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (M.Z.)
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, Beijing 100044, China
| | - Peixun Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (M.Z.)
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, Beijing 100044, China
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2
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de Assis ACC, Reis ALS, Nunes LV, Ferreira LFR, Bilal M, Iqbal HMN, Soriano RN. Stem Cells and Tissue Engineering-Based Therapeutic Interventions: Promising Strategies to Improve Peripheral Nerve Regeneration. Cell Mol Neurobiol 2023; 43:433-454. [PMID: 35107689 DOI: 10.1007/s10571-022-01199-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 01/21/2022] [Indexed: 02/05/2023]
Abstract
Unlike the central nervous system, the peripheral one has the ability to regenerate itself after injury; however, this natural regeneration process is not always successful. In fact, even with some treatments, the prognosis is poor, and patients consequently suffer with the functional loss caused by injured nerves, generating several impacts on their quality of life. In the present review we aimed to address two strategies that may considerably potentiate peripheral nerve regeneration: stem cells and tissue engineering. In vitro studies have shown that pluripotent cells associated with neural scaffolds elaborated by tissue engineering can increase functional recovery, revascularization, remyelination, neurotrophin expression and reduce muscle atrophy. Although these results are very promising, it is important to note that there are some barriers to be circumvented: the host's immune response, the oncogenic properties attributed to stem cells and the duration of the pro-regenerative effects. After all, more studies are still needed to overcome the limitations of these treatments; those that address techniques for manipulating the lesion microenvironment combining different therapies seem to be the most promising and proactive ones.
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Affiliation(s)
- Ana Carolina Correa de Assis
- Department of Medicine, Federal University of Juiz de Fora (UFJF-GV), 241 Manoel Byrro St., Governador Valadares, MG, 35032-620, Brazil
| | - Amanda Luiza Silva Reis
- Department of Medicine, Federal University of Juiz de Fora (UFJF-GV), 241 Manoel Byrro St., Governador Valadares, MG, 35032-620, Brazil
| | - Leonardo Vieira Nunes
- School of Medicine, Federal University of Juiz de Fora (UFJF-JF), Eugênio do Nascimento Avenue, Juiz de Fora, MG, 36038-330, Brazil
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University (UNIT), 300 Murilo Dantas Ave., Aracaju, SE, 49032-490, Brazil
- Institute of Technology and Research (ITP), Tiradentes University (UNIT), 300 Murilo Dantas Ave., Aracaju, SE, 49032-490, Brazil
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849, Monterrey, NL , Mexico
| | - Renato Nery Soriano
- Division of Physiology and Biophysics, Department of Basic Life Sciences, Federal University of Juiz de Fora (UFJF-GV), 1167 Moacir Paleta Ave., Governador Valadares, MG, 35020-360, Brazil.
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Piñero G, Vence M, Aranda ML, Cercato MC, Soto PA, Usach V, Setton-Avruj PC. All the PNS is a Stage: Transplanted Bone Marrow Cells Play an Immunomodulatory Role in Peripheral Nerve Regeneration. ASN Neuro 2023; 15:17590914231167281. [PMID: 37654230 PMCID: PMC10475269 DOI: 10.1177/17590914231167281] [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: 09/22/2022] [Revised: 02/28/2023] [Accepted: 03/16/2023] [Indexed: 09/02/2023] Open
Abstract
SUMMARY STATEMENT Bone marrow cell transplant has proven to be an effective therapeutic approach to treat peripheral nervous system injuries as it not only promoted regeneration and remyelination of the injured nerve but also had a potent effect on neuropathic pain.
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Affiliation(s)
- Gonzalo Piñero
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
- Department of Pathology, Mount Sinai Hospital, New York, NY, USA
| | - Marianela Vence
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Marcos L. Aranda
- Universidad de Buenos Aires-CONICET, Centro de Estudios Farmacológicos y Botánicos (CEFYBO), Ciudad Autónoma de Buenos Aires, Argentina
- Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
| | - Magalí C. Cercato
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Paula A. Soto
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Vanina Usach
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Patricia C. Setton-Avruj
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
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Poongodi R, Chen YL, Yang TH, Huang YH, Yang KD, Lin HC, Cheng JK. Bio-Scaffolds as Cell or Exosome Carriers for Nerve Injury Repair. Int J Mol Sci 2021; 22:13347. [PMID: 34948144 PMCID: PMC8707664 DOI: 10.3390/ijms222413347] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 12/12/2022] Open
Abstract
Central and peripheral nerve injuries can lead to permanent paralysis and organ dysfunction. In recent years, many cell and exosome implantation techniques have been developed in an attempt to restore function after nerve injury with promising but generally unsatisfactory clinical results. Clinical outcome may be enhanced by bio-scaffolds specifically fabricated to provide the appropriate three-dimensional (3D) conduit, growth-permissive substrate, and trophic factor support required for cell survival and regeneration. In rodents, these scaffolds have been shown to promote axonal regrowth and restore limb motor function following experimental spinal cord or sciatic nerve injury. Combining the appropriate cell/exosome and scaffold type may thus achieve tissue repair and regeneration with safety and efficacy sufficient for routine clinical application. In this review, we describe the efficacies of bio-scaffolds composed of various natural polysaccharides (alginate, chitin, chitosan, and hyaluronic acid), protein polymers (gelatin, collagen, silk fibroin, fibrin, and keratin), and self-assembling peptides for repair of nerve injury. In addition, we review the capacities of these constructs for supporting in vitro cell-adhesion, mechano-transduction, proliferation, and differentiation as well as the in vivo properties critical for a successful clinical outcome, including controlled degradation and re-absorption. Finally, we describe recent advances in 3D bio-printing for nerve regeneration.
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Affiliation(s)
- Raju Poongodi
- Department of Medical Research, Mackay Memorial Hospital, Taipei 10449, Taiwan; (R.P.); (T.-H.Y.)
| | - Ying-Lun Chen
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei 10449, Taiwan; (Y.-L.C.); (Y.-H.H.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan
| | - Tao-Hsiang Yang
- Department of Medical Research, Mackay Memorial Hospital, Taipei 10449, Taiwan; (R.P.); (T.-H.Y.)
| | - Ya-Hsien Huang
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei 10449, Taiwan; (Y.-L.C.); (Y.-H.H.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan
| | - Kuender D. Yang
- Institute of Biomedical Science, Mackay Medical College, New Taipei City 25245, Taiwan;
- Department of Pediatrics, Mackay Memorial Hospital, Taipei 10449, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Hsin-Chieh Lin
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan;
| | - Jen-Kun Cheng
- Department of Medical Research, Mackay Memorial Hospital, Taipei 10449, Taiwan; (R.P.); (T.-H.Y.)
- Department of Anesthesiology, Mackay Memorial Hospital, Taipei 10449, Taiwan; (Y.-L.C.); (Y.-H.H.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan
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5
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Zhang M, Li C, Zhou LP, Pi W, Zhang PX. Polymer Scaffolds for Biomedical Applications in Peripheral Nerve Reconstruction. Molecules 2021; 26:molecules26092712. [PMID: 34063072 PMCID: PMC8124340 DOI: 10.3390/molecules26092712] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/25/2021] [Accepted: 04/27/2021] [Indexed: 11/20/2022] Open
Abstract
The nervous system is a significant part of the human body, and peripheral nerve injury caused by trauma can cause various functional disorders. When the broken end defect is large and cannot be repaired by direct suture, small gap sutures of nerve conduits can effectively replace nerve transplantation and avoid the side effect of donor area disorders. There are many choices for nerve conduits, and natural materials and synthetic polymers have their advantages. Among them, the nerve scaffold should meet the requirements of good degradability, biocompatibility, promoting axon growth, supporting axon expansion and regeneration, and higher cell adhesion. Polymer biological scaffolds can change some shortcomings of raw materials by using electrospinning filling technology and surface modification technology to make them more suitable for nerve regeneration. Therefore, polymer scaffolds have a substantial prospect in the field of biomedicine in future. This paper reviews the application of nerve conduits in the field of repairing peripheral nerve injury, and we discuss the latest progress of materials and fabrication techniques of these polymer scaffolds.
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Affiliation(s)
- Meng Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100083, China; (M.Z.); (C.L.); (W.P.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100083, China
| | - Ci Li
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100083, China; (M.Z.); (C.L.); (W.P.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100083, China
| | - Li-Ping Zhou
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China;
| | - Wei Pi
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100083, China; (M.Z.); (C.L.); (W.P.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100083, China
| | - Pei-Xun Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100083, China; (M.Z.); (C.L.); (W.P.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100083, China
- National Center for Trauma Medicine, Beijing 100083, China
- Correspondence:
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Selim OA, Lakhani S, Midha S, Mosahebi A, Kalaskar DM. Three-Dimensional Engineered Peripheral Nerve: Toward a New Era of Patient-Specific Nerve Repair Solutions. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:295-335. [PMID: 33593147 DOI: 10.1089/ten.teb.2020.0355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Reconstruction of peripheral nerve injuries (PNIs) with substance loss remains challenging because of limited treatment solutions and unsatisfactory patient outcomes. Currently, nerve autografting is the first-line management choice for bridging critical-sized nerve defects. The procedure, however, is often complicated by donor site morbidity and paucity of nerve tissue, raising a quest for better alternatives. The application of other treatment surrogates, such as nerve guides, remains questionable, and it is inefficient in irreducible nerve gaps. More importantly, these strategies lack customization for personalized patient therapy, which is a significant drawback of these nerve repair options. This negatively impacts the fascicle-to-fascicle regeneration process, critical to restoring the physiological axonal pathway of the disrupted nerve. Recently, the use of additive manufacturing (AM) technologies has offered major advancements to the bioengineering solutions for PNI therapy. These techniques aim at reinstating the native nerve fascicle pathway using biomimetic approaches, thereby augmenting end-organ innervation. AM-based approaches, such as three-dimensional (3D) bioprinting, are capable of biofabricating 3D-engineered nerve graft scaffolds in a patient-specific manner with high precision. Moreover, realistic in vitro models of peripheral nerve tissues that represent the physiologically and functionally relevant environment of human organs could also be developed. However, the technology is still nascent and faces major translational hurdles. In this review, we spotlighted the clinical burden of PNIs and most up-to-date treatment to address nerve gaps. Next, a summarized illustration of the nerve ultrastructure that guides research solutions is discussed. This is followed by a contrast of the existing bioengineering strategies used to repair peripheral nerve discontinuities. In addition, we elaborated on the most recent advances in 3D printing and biofabrication applications in peripheral nerve modeling and engineering. Finally, the major challenges that limit the evolution of the field along with their possible solutions are also critically analyzed.
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Affiliation(s)
- Omar A Selim
- Department of Surgical Biotechnology, Division of Surgery and Interventional Sciences, Royal Free Hospital, University College London (UCL), London, United Kingdom
| | - Saad Lakhani
- Department of Surgical Biotechnology, Division of Surgery and Interventional Sciences, Royal Free Hospital, University College London (UCL), London, United Kingdom
| | - Swati Midha
- Department of Surgical Biotechnology, Division of Surgery and Interventional Sciences, Royal Free Hospital, University College London (UCL), London, United Kingdom.,Department of Surgical Biotechnology, Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Afshin Mosahebi
- Department of Plastic Surgery, Royal Free Hospital, University College London (UCL), London, United Kingdom
| | - Deepak M Kalaskar
- Department of Surgical Biotechnology, Division of Surgery and Interventional Sciences, Royal Free Hospital, University College London (UCL), London, United Kingdom.,Department of Surgical Biotechnology, Institute of Orthopaedics and Musculoskeletal Science, Royal National Orthopaedic Hospital, University College London (UCL), Stanmore, United Kingdom
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Alvites RD, Branquinho MV, Sousa AC, Lopes B, Sousa P, Mendonça C, Atayde LM, Maurício AC. Small Ruminants and Its Use in Regenerative Medicine: Recent Works and Future Perspectives. BIOLOGY 2021; 10:biology10030249. [PMID: 33810087 PMCID: PMC8004958 DOI: 10.3390/biology10030249] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 12/16/2022]
Abstract
Simple Summary Small ruminants such as sheep and goats have been increasingly used as animal models due to their dimensions, physiology and anatomy identical to those of humans. Their low costs, ease of accommodation, great longevity and easy handling make them advantageous animals to be used in a wide range of research work. Although there is already a lot of scientific literature describing these species, their use still lacks some standardization. The purpose of this review is to summarize the general principles related to the use of small ruminants as animal models for scientific research. Abstract Medical and translational scientific research requires the use of animal models as an initial approach to the study of new therapies and treatments, but when the objective is an exploration of translational potentialities, classical models fail to adequately mimic problems in humans. Among the larger animal models that have been explored more intensely in recent decades, small ruminants, namely sheep and goats, have emerged as excellent options. The main advantages associated to the use of these animals in research works are related to their anatomy and dimensions, larger than conventional laboratory animals, but very similar to those of humans in most physiological systems, in addition to their low maintenance and feeding costs, tendency to be docile, long life expectancies and few ethical complications raised in society. The most obvious disadvantages are the significant differences in some systems such as the gastrointestinal, and the reduced amount of data that limits the comparison between works and the validation of the characterization essays. Despite everything, recently these species have been increasingly used as animal models for diseases in different systems, and the results obtained open doors for their more frequent and advantageous use in the future. The purpose of this review is to summarize the general principles related to the use of small ruminants as animal models, with a focus on regenerative medicine, to group the most relevant works and results published recently and to highlight the potentials for the near future in medical research.
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Affiliation(s)
- Rui Damásio Alvites
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Mariana Vieira Branquinho
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Ana Catarina Sousa
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Bruna Lopes
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Patrícia Sousa
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Carla Mendonça
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Luís Miguel Atayde
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
| | - Ana Colette Maurício
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente (ICETA) da Universidade do Porto, Praça Gomes Teixeira, 4051-401 Porto, Portugal; (R.D.A.); (M.V.B.); (A.C.S.); (B.L.); (P.S.); (C.M.); (L.M.A.)
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, 4050-313 Porto, Portugal
- Correspondence: ; Tel.: +351-919-071-286 or +351-220-428-000
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Mendibil X, González-Pérez F, Bazan X, Díez-Ahedo R, Quintana I, Rodríguez FJ, Basnett P, Nigmatullin R, Lukasiewicz B, Roy I, Taylor CS, Glen A, Claeyssens F, Haycock JW, Schaafsma W, González E, Castro B, Duffy P, Merino S. Bioresorbable and Mechanically Optimized Nerve Guidance Conduit Based on a Naturally Derived Medium Chain Length Polyhydroxyalkanoate and Poly(ε-Caprolactone) Blend. ACS Biomater Sci Eng 2021; 7:672-689. [DOI: 10.1021/acsbiomaterials.0c01476] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xabier Mendibil
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Francisco González-Pérez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Finca La Peraleda S/n, 45071 Toledo, Spain
| | - Xabier Bazan
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Ruth Díez-Ahedo
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Iban Quintana
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Francisco Javier Rodríguez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Finca La Peraleda S/n, 45071 Toledo, Spain
| | - Pooja Basnett
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, U.K
| | - Rinat Nigmatullin
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, U.K
| | - Barbara Lukasiewicz
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, U.K
| | - Ipsita Roy
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Caroline S. Taylor
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Adam Glen
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Frederik Claeyssens
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - John W. Haycock
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Wandert Schaafsma
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain
| | - Eva González
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain
| | - Begoña Castro
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain
| | - Patrick Duffy
- Ashland Specialties Ireland, Synergy Centre, Dublin Road, Petitswood Mullingar, Co. Westmeath N91 F6PD, Ireland
| | - Santos Merino
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
- Departamento de Electricidad y Electrónica, Universidad del País Vasco UPV/EHU, 48940 Leioa, Spain
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9
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Saffari S, Saffari TM, Ulrich DJO, Hovius SER, Shin AY. The interaction of stem cells and vascularity in peripheral nerve regeneration. Neural Regen Res 2021; 16:1510-1517. [PMID: 33433464 PMCID: PMC8323682 DOI: 10.4103/1673-5374.303009] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The degree of nerve regeneration after peripheral nerve injury can be altered by the microenvironment at the site of injury. Stem cells and vascularity are postulated to be a part of a complex pathway that enhances peripheral nerve regeneration; however, their interaction remains unexplored. This review aims to summarize current knowledge on this interaction, including various mechanisms through which trophic factors are promoted by stem cells and angiogenesis. Angiogenesis after nerve injury is stimulated by hypoxia, mediated by vascular endothelial growth factor, resulting in the growth of pre-existing vessels into new areas. Modulation of distinct signaling pathways in stem cells can promote angiogenesis by the secretion of various angiogenic factors. Simultaneously, the importance of stem cells in peripheral nerve regeneration relies on their ability to promote myelin formation and their capacity to be influenced by the microenvironment to differentiate into Schwann-like cells. Stem cells can be acquired through various sources that correlate to their differentiation potential, including embryonic stem cells, neural stem cells, and mesenchymal stem cells. Each source of stem cells serves its particular differentiation potential and properties associated with the promotion of revascularization and nerve regeneration. Exosomes are a subtype of extracellular vesicles released from cell types and play an important role in cell-to-cell communication. Exosomes hold promise for future transplantation applications, as these vesicles contain fewer membrane-bound proteins, resulting in lower immunogenicity. This review presents pre-clinical and clinical studies that focus on selecting the ideal type of stem cell and optimizing stem cell delivery methods for potential translation to clinical practice. Future studies integrating stem cell-based therapies with the promotion of angiogenesis may elucidate the synergistic pathways and ultimately enhance nerve regeneration.
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Affiliation(s)
- Sara Saffari
- Division of Hand and Microvascular Surgery, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Department of Plastic and Reconstructive Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Tiam M Saffari
- Division of Hand and Microvascular Surgery, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA; Department of Plastic and Reconstructive Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Dietmar J O Ulrich
- Department of Plastic and Reconstructive Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Steven E R Hovius
- Department of Plastic and Reconstructive Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Alexander Y Shin
- Division of Hand and Microvascular Surgery, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
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10
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A Systematic Review of the Effectiveness of Cell-Based Therapy in Repairing Peripheral Nerve Gap Defects. PROSTHESIS 2020. [DOI: 10.3390/prosthesis2030014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nerve prostheses are widely utilized to reconstruct segmental (gap) defects in peripheral nerves as an alternative to nerve grafting. However, with increasing gap length, the effectiveness of a nerve prosthesis becomes sub-optimal, which subsequently has made repairing larger gaps in peripheral nerves a significant challenge in the field of regenerative medicine. Recently, the structure of nerve prostheses has been significantly revised, which interestingly, has provided a promising avenue for the housing and proliferation of supportive cells. In this systematic review, cell implantation in synthetic nerve prostheses to enhance the regenerative capability of an injured nerve with a focus on identifying the cell type and mode of cell delivery is discussed. Of interest are the studies employing supportive cells to bridge gaps greater than 10 mm without the aid of nerve growth factors. The results have shown that cell therapy in conjunction with nerve prostheses becomes inevitable and has dramatically boosted the ability of these prostheses to maintain sustainable nerve regeneration across larger gaps and helped to attain functional recovery, which is the ultimate goal. The statistical analysis supports the use of differentiated bone-marrow-derived mesenchymal stem cells suspended in oxygen-carrying hydrogels in chitosan prostheses for bridging gaps of up to 40 mm; however, based on the imperfect repair outcomes, nerve grafting should not yet be replaced altogether.
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11
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Yi S, Zhang Y, Gu X, Huang L, Zhang K, Qian T, Gu X. Application of stem cells in peripheral nerve regeneration. BURNS & TRAUMA 2020; 8:tkaa002. [PMID: 32346538 PMCID: PMC7175760 DOI: 10.1093/burnst/tkaa002] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 02/07/2023]
Abstract
Traumatic peripheral nerve injury is a worldwide clinical issue with high morbidity. The severity of peripheral nerve injury can be classified as neurapraxia, axonotmesis or neurotmesis, according to Seddon's classification, or five different degrees according to Sunderland's classification. Patients with neurotmesis suffer from a complete transection of peripheral nerve stumps and are often in need of surgical repair of nerve defects. The applications of autologous nerve grafts as the golden standard for peripheral nerve transplantation meet some difficulties, including donor nerve sacrifice and nerve mismatch. Attempts have been made to construct tissue-engineered nerve grafts as supplements or even substitutes for autologous nerve grafts to bridge peripheral nerve defects. The incorporation of stem cells as seed cells into the biomaterial-based scaffolds increases the effectiveness of tissue-engineered nerve grafts and largely boosts the regenerative process. Numerous stem cells, including embryonic stem cells, neural stem cells, bone marrow mesenchymal stem cells, adipose stem cells, skin-derived precursor stem cells and induced pluripotent stem cells, have been used in neural tissue engineering. In the current review, recent trials of stem cell-based tissue-engineered nerve grafts have been summarized; potential concerns and perspectives of stem cell therapeutics have also been contemplated.
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Affiliation(s)
- Sheng Yi
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - Yu Zhang
- Nuclear Medicine Department, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Xiaokun Gu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - Li Huang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - Kairong Zhang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - Tianmei Qian
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - Xiaosong Gu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
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12
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Raza C, Riaz HA, Anjum R, Shakeel NUA. Repair strategies for injured peripheral nerve: Review. Life Sci 2020; 243:117308. [PMID: 31954163 DOI: 10.1016/j.lfs.2020.117308] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 01/09/2020] [Accepted: 01/13/2020] [Indexed: 12/27/2022]
Abstract
Compromised functional regains in about half of the patients following surgical nerve repair pose a serious socioeconomic burden to the society. Although surgical strategies such as end-to-end neurorrhaphy, nerve grafting and nerve transfer are widely applied in distal injuries leading to optimal recovery; however in proximal nerve defects functional outcomes remain unsatisfactory. Biomedical engineering approaches unite the efforts of the surgeons, engineers and biologists to develop regeneration facilitating structures such as extracellular matrix based supportive polymers and tubular nerve guidance channels. Such polymeric structures provide neurotrophic support from injured nerve stumps, retard the fibrous tissue infiltration and guide regenerating axons to appropriate targets. The development and application of nerve guidance conduits (NGCs) to treat nerve gap injuries offer clinically relevant and feasible solutions. Enhanced understanding of the nerve regeneration processes and advances in NGCs design, polymers and fabrication strategies have led to developing modern NGCs with superior regeneration-conducive capacities. Current review focuses on the advances in surgical and engineering approaches to treat peripheral nerve injuries. We suggest the incorporation of endothelial cell growth promoting cues and factors into the NGC interior for its possible enhancement effects on the axonal regeneration process that may result in substantial functional outcomes.
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Affiliation(s)
- Chand Raza
- Department of Zoology, Government College University, Lahore 54000, Pakistan.
| | - Hasib Aamir Riaz
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI 02912, USA
| | - Rabia Anjum
- Department of Zoology, Government College University, Lahore 54000, Pakistan
| | - Noor Ul Ain Shakeel
- Department of Zoology, Government College University, Lahore 54000, Pakistan
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13
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Wei C, Yang X, Wang X. [A green route for the fabrication of thermo-sensitive chitosan nerve conduits and their property evaluation]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2019; 33:1439-1445. [PMID: 31650763 PMCID: PMC8337461 DOI: 10.7507/1002-1892.201904009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 08/29/2019] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To explore a green route for the fabrication of thermo-sensitive chitosan nerve conduits, improve the mechanical properties and decrease the degradation rate of the chitosan nerve conduits. METHODS Taking advantage of the ionic specific effect of the thermo-sensitive chitosan, the strengthened chitosan nerve conduits were obtained by immersing the gel-casted conduits in salt solution for ion-induced phase transition, and rinsing, lyophilization, and 60Co sterilization afterwards. The nerve conduits after immersing in NaCl solutions for 0, 4, 12, 24, 36, 48, and 72 hours were obtained and characterized the general observation, diameters and mechanical properties. According to the above results, the optimal sample was chosen and characterized the microstructure, degradation properties, and cytocompatibility. The left sciatic nerve defect 15 mm in length was made in 20 male Sprague Dawley rats. The autologous nerves (control group, n=10) and the nerve conduits (experimental group, n=10) were used to repair the defects. At 8 weeks after operation, the compound muscle action potential (CMAP) was measured. The regenerated nerves were investigated by gross observation and toluidine blue staining. The gastrocnemius muscle was observed by HE staining. RESULTS With the increased ionic phase transition time, the color of the conduit was gradually deepened and the diameter was gradually decreased, which showed no difference during 12 hours. The tensile strength of the nerve conduit was increased gradually. The ultimate tensile strength showed significant difference between the 48 hours and 12, 24, and 36 hours groups ( P<0.05), and no significant difference between the 48 hours and 72 hours groups ( P>0.05). As a result, the nerve conduit after ion-induced phase transition for 48 hours was chosen for further study. The scanning electron microscope (SEM) images showed that the nerve conduit had a uniform porous structure. The degradation rate of the the nerve conduit after ion-induced phase transition for 48 hours was significantly decreased as compared with that of the conduit without ion-induced phase transition. The nerve conduit could support the attachment and proliferation of rat Schwann cells on the inner surface. The animal experiments showed that at 8 weeks after operation, the CMAPs of the experimental and control groups were (3.5±0.9) and (4.3±1.1) m/V, respectively, which showed no significant difference between the two groups ( P<0.05), and were significantly lower than that of the contralateral site [(45.6±5.6 m/V), P>0.05]. The nerve conduit of the experimental group could repair the nerve defect. There was no significant difference between the experimental and control groups in terms of the histomorphology of the regenerated nerve fibers and the gastrocnemius muscle. CONCLUSION The green route for the fabrication of thermo-sensitive chitosan nerve conduits is free of any toxic reagents, and has simple steps, which is beneficial to the industrial transformation of the chitosan nerve conduit products. The prepared chitosan nerve conduit can be applied to rat peripheral nerve defect repair and nerve tissue engineering.
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Affiliation(s)
- Changzheng Wei
- Shanghai Qisheng Biological Preparation Co., Ltd, Shanghai, 201106, P.R.China
| | - Xiaoyuan Yang
- Shanghai Qisheng Biological Preparation Co., Ltd, Shanghai, 201106, P.R.China
| | - Xiaotong Wang
- Shanghai Qisheng Biological Preparation Co., Ltd, Shanghai, 201106,
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14
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Homaeigohar S, Tsai TY, Young TH, Yang HJ, Ji YR. An electroactive alginate hydrogel nanocomposite reinforced by functionalized graphite nanofilaments for neural tissue engineering. Carbohydr Polym 2019; 224:115112. [DOI: 10.1016/j.carbpol.2019.115112] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 07/04/2019] [Accepted: 07/19/2019] [Indexed: 12/12/2022]
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15
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De Masi A, Tonazzini I, Masciullo C, Mezzena R, Chiellini F, Puppi D, Cecchini M. Chitosan films for regenerative medicine: fabrication methods and mechanical characterization of nanostructured chitosan films. Biophys Rev 2019; 11:807-815. [PMID: 31529358 PMCID: PMC6815298 DOI: 10.1007/s12551-019-00591-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 09/02/2019] [Indexed: 12/17/2022] Open
Abstract
Regenerative medicine is continuously facing new challenges and it is searching for new biocompatible, green/natural polymer materials, possibly biodegradable and non-immunogenic. Moreover, the critical importance of the nano/microstructuring of surfaces is overall accepted for their full biocompatibility and in vitro/in vivo performances. Chitosan is emerging as a promising biopolymer for tissue engineering and its application can be further improved by exploiting its nano/microstructuration. Here, we report the state of the art of chitosan films and scaffolds nano/micro-structuration. We show that it is possible to obtain, by solvent casting, chitosan thin films with good mechanical properties and to structure them at the microscale and even nanoscale level, with resolutions down to 100 nm.
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Affiliation(s)
- Alessia De Masi
- NEST, Scuola Normale Superiore, Piazza San Silvestro 12, 56127, Pisa, Italy
| | - Ilaria Tonazzini
- NEST, Istituto Nanoscienze-CNR, Piazza San Silvestro 12, 56127, Pisa, Italy.
| | - Cecilia Masciullo
- NEST, Scuola Normale Superiore, Piazza San Silvestro 12, 56127, Pisa, Italy
| | - Roberta Mezzena
- NEST, Scuola Normale Superiore, Piazza San Silvestro 12, 56127, Pisa, Italy
| | - Federica Chiellini
- Department of Chemistry and Industrial Chemistry, University of Pisa, UdR INSTM PISA, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Dario Puppi
- Department of Chemistry and Industrial Chemistry, University of Pisa, UdR INSTM PISA, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Marco Cecchini
- NEST, Scuola Normale Superiore, Piazza San Silvestro 12, 56127, Pisa, Italy
- NEST, Istituto Nanoscienze-CNR, Piazza San Silvestro 12, 56127, Pisa, Italy
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16
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Hsu R, Chen P, Fang J, Chen Y, Chang C, Lu Y, Hu S. Adaptable Microporous Hydrogels of Propagating NGF-Gradient by Injectable Building Blocks for Accelerated Axonal Outgrowth. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900520. [PMID: 31453065 PMCID: PMC6702647 DOI: 10.1002/advs.201900520] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 05/10/2019] [Indexed: 05/24/2023]
Abstract
Injectable hydrogels in regeneration medicine can potentially mimic hierarchical natural living tissue and fill complexly shaped defects with minimally invasive implantation procedures. To achieve this goal, however, the versatile hydrogels that usually possess the nonporous structure and uncontrollable spatial agent release must overcome the difficulties in low cell-penetrative rates of tissue regeneration. In this study, an adaptable microporous hydrogel (AMH) composed of microsized building blocks with opposite charges serves as an injectable matrix with interconnected pores and propagates gradient growth factor for spontaneous assembly into a complex shape in real time. By embedding gradient concentrations of growth factors into the building blocks, the propagated gradient of the nerve growth factor, integrated to the cell-penetrative connected pores constructed by the building blocks in the nerve conduit, effectively promotes cell migration and induces dramatic bridging effects on peripheral nerve defects, achieving axon outgrowth of up to 4.7 mm and twofold axon fiber intensity in 4 days in vivo. Such AMHs with intrinsic properties of tunable mechanical properties, gradient propagation of biocues and effective induction of cell migration are potentially able to overcome the limitations of hydrogel-mediated tissue regeneration in general and can possibly be used in clinical applications.
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Affiliation(s)
- Ru‐Siou Hsu
- Department of Biomedical Engineering and Environmental ScienceNational Tsing Hua UniversityHsinchu30013Taiwan
| | - Pei‐Yueh Chen
- Department of Biomedical Engineering and Environmental ScienceNational Tsing Hua UniversityHsinchu30013Taiwan
| | - Jen‐Hung Fang
- Department of Biomedical Engineering and Environmental ScienceNational Tsing Hua UniversityHsinchu30013Taiwan
| | - You‐Yin Chen
- Department of Biomedical EngineeringNational Yang Ming UniversityTaipei11221Taiwan
| | - Chien‐Wen Chang
- Department of Biomedical Engineering and Environmental ScienceNational Tsing Hua UniversityHsinchu30013Taiwan
| | - Yu‐Jen Lu
- Department of NeurosurgeryChang Gung Memorial Hospital Linkou Medical Center and College of MedicineChang Gung UniversityTaoyuan33305Taiwan
| | - Shang‐Hsiu Hu
- Department of Biomedical Engineering and Environmental ScienceNational Tsing Hua UniversityHsinchu30013Taiwan
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17
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Jiao J, Huang J, Zhang Z. Hydrogels based on chitosan in tissue regeneration: How do they work? A mini review. J Appl Polym Sci 2018. [DOI: 10.1002/app.47235] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jiao Jiao
- Neuropsychiatric Institute; Medical School of Southeast University; Nanjing Jiangsu 210009 China
- Department of Neurology; Affiliated ZhongDa Hospital; Nanjing Jiangsu 210009 China
| | - Jinjian Huang
- Lab for Trauma and Surgical Infections, Department of Surgery; Jinling Hospital; Nanjing Jiangsu 210002 China
| | - Zhijun Zhang
- Neuropsychiatric Institute; Medical School of Southeast University; Nanjing Jiangsu 210009 China
- Department of Neurology; Affiliated ZhongDa Hospital; Nanjing Jiangsu 210009 China
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18
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Patel NP, Lyon KA, Huang JH. An update-tissue engineered nerve grafts for the repair of peripheral nerve injuries. Neural Regen Res 2018; 13. [PMID: 29862995 PMCID: PMC5998615 DOI: 10.4103/1673-5374.232458&set/a 867090256+860769923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
Abstract
Peripheral nerve injuries (PNI) are caused by a range of etiologies and result in a broad spectrum of disability. While nerve autografts are the current gold standard for the reconstruction of extensive nerve damage, the limited supply of autologous nerve and complications associated with harvesting nerve from a second surgical site has driven groups from multiple disciplines, including biomedical engineering, neurosurgery, plastic surgery, and orthopedic surgery, to develop a suitable or superior alternative to autografting. Over the last couple of decades, various types of scaffolds, such as acellular nerve grafts (ANGs), nerve guidance conduits, and non-nervous tissues, have been filled with Schwann cells, stem cells, and/or neurotrophic factors to develop tissue engineered nerve grafts (TENGs). Although these have shown promising effects on peripheral nerve regeneration in experimental models, the autograft has remained the gold standard for large nerve gaps. This review provides a discussion of recent advances in the development of TENGs and their efficacy in experimental models. Specifically, TENGs have been enhanced via incorporation of genetically engineered cells, methods to improve stem cell survival and differentiation, optimized delivery of neurotrophic factors via drug delivery systems (DDS), co-administration of platelet-rich plasma (PRP), and pretreatment with chondroitinase ABC (Ch-ABC). Other notable advancements include conduits that have been bioengineered to mimic native nerve structure via cell-derived extracellular matrix (ECM) deposition, and the development of transplantable living nervous tissue constructs from rat and human dorsal root ganglia (DRG) neurons. Grafts composed of non-nervous tissues, such as vein, artery, and muscle, will be briefly discussed.
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Affiliation(s)
| | - Kristopher A Lyon
- Texas A&M College of Medicine; Department of Neurosurgery, Baylor Scott & White Healthcare, Temple, TX, USA
| | - Jason H Huang
- Texas A&M College of Medicine; Department of Neurosurgery, Baylor Scott & White Healthcare, Temple, TX, USA
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19
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Huang J, Patel N, Lyon K. An update–tissue engineered nerve grafts for the repair of peripheral nerve injuries. Neural Regen Res 2018. [DOI: 10.4103/1673-5374.232458
expr 973353844 + 912195704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
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20
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Patel NP, Lyon KA, Huang JH. An update-tissue engineered nerve grafts for the repair of peripheral nerve injuries. Neural Regen Res 2018; 13:764-774. [PMID: 29862995 PMCID: PMC5998615 DOI: 10.4103/1673-5374.232458] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Peripheral nerve injuries (PNI) are caused by a range of etiologies and result in a broad spectrum of disability. While nerve autografts are the current gold standard for the reconstruction of extensive nerve damage, the limited supply of autologous nerve and complications associated with harvesting nerve from a second surgical site has driven groups from multiple disciplines, including biomedical engineering, neurosurgery, plastic surgery, and orthopedic surgery, to develop a suitable or superior alternative to autografting. Over the last couple of decades, various types of scaffolds, such as acellular nerve grafts (ANGs), nerve guidance conduits, and non-nervous tissues, have been filled with Schwann cells, stem cells, and/or neurotrophic factors to develop tissue engineered nerve grafts (TENGs). Although these have shown promising effects on peripheral nerve regeneration in experimental models, the autograft has remained the gold standard for large nerve gaps. This review provides a discussion of recent advances in the development of TENGs and their efficacy in experimental models. Specifically, TENGs have been enhanced via incorporation of genetically engineered cells, methods to improve stem cell survival and differentiation, optimized delivery of neurotrophic factors via drug delivery systems (DDS), co-administration of platelet-rich plasma (PRP), and pretreatment with chondroitinase ABC (Ch-ABC). Other notable advancements include conduits that have been bioengineered to mimic native nerve structure via cell-derived extracellular matrix (ECM) deposition, and the development of transplantable living nervous tissue constructs from rat and human dorsal root ganglia (DRG) neurons. Grafts composed of non-nervous tissues, such as vein, artery, and muscle, will be briefly discussed.
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Affiliation(s)
| | - Kristopher A Lyon
- Texas A&M College of Medicine; Department of Neurosurgery, Baylor Scott & White Healthcare, Temple, TX, USA
| | - Jason H Huang
- Texas A&M College of Medicine; Department of Neurosurgery, Baylor Scott & White Healthcare, Temple, TX, USA
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