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Khaled MM, Ibrahium AM, Abdelgalil AI, El-Saied MA, Yassin AM, Abouquerin N, Rizk H, El-Bably SH. Efficacy of using adipose-derived stem cells and PRP on regeneration of 40 -mm long sciatic nerve defect bridged by polyglycolic-polypropylene mesh in canine model. Stem Cell Res Ther 2024; 15:212. [PMID: 39020391 PMCID: PMC11256418 DOI: 10.1186/s13287-024-03796-z] [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: 11/08/2023] [Accepted: 06/10/2024] [Indexed: 07/19/2024] Open
Abstract
BACKGROUND Sciatic nerve repair becomes a focus of research in neurological aspect to restore the normal physical ability of the animal to stand and walk. Tissue engineered nerve grafts (TENGs) provide a promising alternative therapy for regeneration of large gap defects. The present study investigates the regenerative capacity of PRP, ADSCs, and PRP mixed ADSCs on a long sciatic nerve defect (40-mm) bridged by a polyglycolic polypropylene (PGA-PRL) mesh which acts as a neural scaffold. MATERIALS AND METHODS The study was conducted on 12 adult male mongrel dogs that were randomly divided into 4 groups: Group I (scaffold group); where the sciatic defect was bridged by a (PGA-PRL) mesh only while the mesh was injected with ADSCs in Group II (ADSCs group), PRP in Group III (PRP group). Mixture of PRP and ADSCs was allocated in Group IV (PRP + ADSCs group). Monthly, all animals were monitored for improvement in their gait and a numerical lameness score was recorded for all groups. 6 months-post surgery, the structural and functional recovery of sciatic nerve was evaluated electrophysiologically, and on the level of gene expression, and both sciatic nerve and the gastrocnemius muscle were evaluated morphometrically, histopathologically. RESULTS Numerical lameness score showed improvement in the motor activities of both Group II and Group III followed by Group IV and the scaffold group showed mild improvement even after 6 months. Histopathologically, all treated groups showed axonal sprouting and numerous regenerated fascicles with obvious angiogenesis in proximal cut, and distal portion where Group IV exhibited a significant remyelination with the MCOOL technique. The regenerative ratio of gastrocnemius muscle was 23.81%, 56.68%, 52.06% and 40.69% for Group I, II, III and IV; respectively. The expression of NGF showed significant up regulation in the proximal portion for both Group III and Group IV (P ≤ 0.0001) while Group II showed no significant difference. PDGF-A, and VEGF expressions were up-regulated in Group II, III, and IV whereas Group I showed significant down-regulation for NGF, PDGF-A, and VEGF (P ≤ 0.0001). CONCLUSION ADSCs have a great role in restoring the damaged nerve fibers by secreting several types of growth factors like NGF that have a proliferative effect on Schwann cells and their migration. In addition, PRP therapy potentiates the effect of ADSCs by synthesis another growth factors such as PDGF-A, VEGF, NGF for better healing of large sciatic gap defects.
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Affiliation(s)
- Mona M Khaled
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
| | - Asmaa M Ibrahium
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ahmed I Abdelgalil
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Mohamed A El-Saied
- Department of Pathology, Faculty of Veterinary of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Aya M Yassin
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Nagy Abouquerin
- Department of Physiology, Faculty of medicine, Ain shams University, Cairo, Egypt
| | - Hamdy Rizk
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Samah H El-Bably
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Dong X, Yang Y, Bao Z, Midgley AC, Li F, Dai S, Yang Z, Wang J, Liu L, Li W, Zheng Y, Liu S, Liu Y, Yu W, Liu J, Fan M, Zhu M, Shen Z, Xiaosong G, Kong D. Micro-nanofiber composite biomimetic conduits promote long-gap peripheral nerve regeneration in canine models. Bioact Mater 2023; 30:98-115. [PMID: 37560200 PMCID: PMC10406865 DOI: 10.1016/j.bioactmat.2023.06.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/01/2023] [Accepted: 06/19/2023] [Indexed: 08/11/2023] Open
Abstract
Peripheral nerve injuries may result in severe long-gap interruptions that are challenging to repair. Autografting is the gold standard surgical approach for repairing long-gap nerve injuries but can result in prominent donor-site complications. Instead, imitating the native neural microarchitecture using synthetic conduits is expected to offer an alternative strategy for improving nerve regeneration. Here, we designed nerve conduits composed of high-resolution anisotropic microfiber grid-cordes with randomly organized nanofiber sheaths to interrogate the positive effects of these biomimetic structures on peripheral nerve regeneration. Anisotropic microfiber-grids demonstrated the capacity to directionally guide Schwann cells and neurites. Nanofiber sheaths conveyed adequate elasticity and permeability, whilst exhibiting a barrier function against the infiltration of fibroblasts. We then used the composite nerve conduits bridge 30-mm long sciatic nerve defects in canine models. At 12 months post-implant, the morphometric and histological recovery, gait recovery, electrophysiological function, and degree of muscle atrophy were assessed. The newly regenerated nerve tissue that formed within the composite nerve conduits showed restored neurological functions that were superior compared to sheaths-only scaffolds and Neurolac nerve conduit controls. Our findings demonstrate the feasibility of using synthetic biophysical cues to effectively bridge long-gap peripheral nerve injuries and indicates the promising clinical application prospects of biomimetic composite nerve conduits.
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Affiliation(s)
- Xianhao Dong
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Yueyue Yang
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Zheheng Bao
- Department of Orthopaedics, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
- Outpatient Department, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Adam C. Midgley
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Feiyi Li
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Shuxin Dai
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Zhuangzhuang Yang
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Jin Wang
- Outpatient Department, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Lihua Liu
- Department of Radiology, Tianjin First Central Hospital, Tianjin Medical Imaging Institute, School of Medicine, Nankai University, Tianjin, China
| | - Wenlei Li
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Yayuan Zheng
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Siyang Liu
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Yang Liu
- Department of Radiology, Tianjin First Central Hospital, Tianjin Medical Imaging Institute, School of Medicine, Nankai University, Tianjin, China
| | - Weijian Yu
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
| | - Jun Liu
- Clinical School/College of Orthopedics, Tianjin Medical University, Tianjin, China
- Department of Joint, Tianjin Hospital, Tianjin, China
| | - Meng Fan
- Department of Orthopaedics, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Meifeng Zhu
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
- Haihe Laboratory of Sustainable Chemical Transformations, Keyan West Road, Tianjin, 300192, China
| | - Zhongyang Shen
- Institute of Transplantation Medicine, NHC Key Laboratory for Critical Care Medicine, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Gu Xiaosong
- Jiangsu Key Laboratory of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Co-innovation Center of Neuroregeneration, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Nantong University, Nantong, China
| | - Deling Kong
- State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, China
- Institute of Transplantation Medicine, NHC Key Laboratory for Critical Care Medicine, Tianjin First Central Hospital, School of Medicine, Nankai University, Tianjin, China
- Haihe Laboratory of Sustainable Chemical Transformations, Keyan West Road, Tianjin, 300192, China
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Lischer M, di Summa PG, Petrou IG, Schaefer DJ, Guzman R, Kalbermatten DF, Madduri S. Mesenchymal Stem Cells in Nerve Tissue Engineering: Bridging Nerve Gap Injuries in Large Animals. Int J Mol Sci 2023; 24:ijms24097800. [PMID: 37175506 PMCID: PMC10177884 DOI: 10.3390/ijms24097800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/18/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Cell-therapy-based nerve repair strategies hold great promise. In the field, there is an extensive amount of evidence for better regenerative outcomes when using tissue-engineered nerve grafts for bridging severe gap injuries. Although a massive number of studies have been performed using rodents, only a limited number involving nerve injury models of large animals were reported. Nerve injury models mirroring the human nerve size and injury complexity are crucial to direct the further clinical development of advanced therapeutic interventions. Thus, there is a great need for the advancement of research using large animals, which will closely reflect human nerve repair outcomes. Within this context, this review highlights various stem cell-based nerve repair strategies involving large animal models such as pigs, rabbits, dogs, and monkeys, with an emphasis on the limitations and strengths of therapeutic strategy and outcome measurements. Finally, future directions in the field of nerve repair are discussed. Thus, the present review provides valuable knowledge, as well as the current state of information and insights into nerve repair strategies using cell therapies in large animals.
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Affiliation(s)
- Mirko Lischer
- Center for Bioengineering and Regenerative Medicine, Department of Biomedical Engineering, University of Basel, 4123 Allschwil, Switzerland
| | - Pietro G di Summa
- Department of Plastic, Reconstructive and Hand Surgery, University Hospital of Lausanne and University of Lausanne, 1015 Lausanne, Switzerland
| | - Ilias G Petrou
- Plastic, Reconstructive and Aesthetic Surgery, Department of Surgery, University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - Dirk J Schaefer
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital Basel, University of Basel, 4031 Basel, Switzerland
| | - Raphael Guzman
- Department of Neurosurgery, University Hospital Basel, 4031 Basel, Switzerland
| | - Daniel F Kalbermatten
- Plastic, Reconstructive and Aesthetic Surgery, Department of Surgery, University Hospitals and University of Geneva, 1205 Geneva, Switzerland
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital Basel, University of Basel, 4031 Basel, Switzerland
| | - Srinivas Madduri
- Center for Bioengineering and Regenerative Medicine, Department of Biomedical Engineering, University of Basel, 4123 Allschwil, Switzerland
- Plastic, Reconstructive and Aesthetic Surgery, Department of Surgery, University Hospitals and University of Geneva, 1205 Geneva, Switzerland
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital Basel, University of Basel, 4031 Basel, Switzerland
- Bioengineering and Neuroregeneration, Department of Surgery, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
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Ye K, He A, Wu M, Qiu X, Chen Z, Yin J, Song Q, Huang Y, Xu K, Huang Y, Wei P. In vitro study of decellularized rat tissues for nerve regeneration. Front Neurol 2022; 13:986377. [PMID: 36188412 PMCID: PMC9520319 DOI: 10.3389/fneur.2022.986377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Peripheral nerve injuries cause an absence or destruction of nerves. Decellularized nerves, acting as a replacement for autografts, have been investigated in the promotion of nerve repair and regeneration, always being incorporated with stem cells or growth factors. However, such a strategy is limited by size availability. The potential application in heterotopic transplantation of other decellularized tissues needs to be further explored. In this study, rat decellularized kidney (dK) was selected to be compared with decellularized peripheral nerve (dN), since dK has aboundant ECM components and growth factors. The PC-12 cells were cultured on dK and dN scaffolds, as shown in the similar behaviors of cell metabolism and viability, but have a more regular arrangement on dN compared to dK, indicating that the natural structure plays an important role in guiding cell extension. However, we found significant upregulation of axon–growth–associated genes and proteins of PC-12 cells in the dK group compared to the dN group by qRT-PCR, immunofluorescence, and western blotting. Furthermore, various neurotrophic factors and growth factors of acellular kidney and nerve were evaluated by ELISA assay. The lower expression of neurotrophic factors but higher expression of growth factors such as VEGF and HGF from dK suggests that axon growth and extension for PC-12 cells may be partially mediated by VEGF and HGF expression from decellularized kidney, which further points to a potential application in nerve repair and regeneration.
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Affiliation(s)
- Kai Ye
- School of Medicine, Ningbo University, Ningbo, China
| | - Andong He
- Department of Respiratory and Critical Medicine, Ningbo First Hospital, Ningbo, China
| | - Miaoben Wu
- School of Medicine, Ningbo University, Ningbo, China
| | - Xiaodong Qiu
- Department of Surgery, Beilun Binhai New City Hospital, Ningbo, China
| | - Zhiwu Chen
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo, China
| | - Jun Yin
- The State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
| | - Qinghua Song
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo, China
| | - Yi Huang
- Medical Research Center, Ningbo First Hospital, Ningbo, China
| | - Kailei Xu
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo, China
- The State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
- Central Laboratory, Center for Medical and Engineering Innovation, Ningbo First Hospital, Ningbo, China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, China
- Kailei Xu
| | - Yuye Huang
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo, China
- Central Laboratory, Center for Medical and Engineering Innovation, Ningbo First Hospital, Ningbo, China
- Yuye Huang
| | - Peng Wei
- Department of Plastic and Reconstructive Surgery, Ningbo First Hospital, Ningbo, China
- *Correspondence: Peng Wei
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