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Karagoz H, Zhang F, Chaker SC, Lineaweaver WC. Experimental Cranial Nerve Models in the Rat. J Reconstr Microsurg 2024. [PMID: 38889745 DOI: 10.1055/s-0044-1787729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
BACKGROUND The intricacies of nerve regeneration following injury have prompted increased research efforts in recent years, with a primary focus on elucidating regeneration mechanisms and exploring various surgical techniques. While many experimental animals have been used for these investigations, the rat continues to remain the most widely used model due to its cost-effectiveness, accessibility, and resilience against diseases and surgical/anesthetic complications. A comprehensive evaluation of all the experimental rat models available in this context is currently lacking. METHODS We summarize rat models of cranial nerves while furnishing descriptions of the intricacies of achieving optimal exposure. RESULTS This review article provides an examination of the technical exposure, potential applications, and the advantages and disadvantages inherent to each cranial nerve model. CONCLUSION Specifically in the context of cranial nerve injury, numerous studies have utilized different surgical techniques to expose and investigate the cranial nerves in the rat.
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Affiliation(s)
- Huseyin Karagoz
- Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Feng Zhang
- Department of Plastic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Sara C Chaker
- Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - William C Lineaweaver
- Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
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Sun J, Cao W, Pan S, He L, Ji D, Zheng N, Sun X, Wang R, Niu Y. Porous Organic Materials in Tissue Engineering: Recent Advances and Applications for Severed Facial Nerve Injury Repair. Molecules 2024; 29:566. [PMID: 38338311 PMCID: PMC10856494 DOI: 10.3390/molecules29030566] [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: 12/12/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 02/12/2024] Open
Abstract
The prevalence of facial nerve injury is substantial, and the restoration of its structure and function remains a significant challenge. Autologous nerve transplantation is a common treatment for severed facial nerve injury; however, it has great limitations. Therefore, there is an urgent need for clinical repair methods that can rival it. Tissue engineering nerve conduits are usually composed of scaffolds, cells and neurofactors. Tissue engineering is regarded as a promising method for facial nerve regeneration. Among different factors, the porous nerve conduit made of organic materials, which has high porosity and biocompatibility, plays an indispensable role. This review introduces facial nerve injury and the existing treatment methods and discusses the necessity of the application of porous nerve conduit. We focus on the application of porous organic polymer materials from production technology and material classification and summarize the necessity and research progress of these in repairing severed facial nerve injury, which is relatively rare in the existing articles. This review provides a theoretical basis for further research into and clinical interventions on facial nerve injury and has certain guiding significance for the development of new materials.
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Affiliation(s)
- Jingxuan Sun
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin 150001, China; (J.S.); (S.P.); (L.H.); (X.S.)
| | - Wenxin Cao
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China; (W.C.); (D.J.)
- Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450000, China
| | - Shuang Pan
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin 150001, China; (J.S.); (S.P.); (L.H.); (X.S.)
| | - Lina He
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin 150001, China; (J.S.); (S.P.); (L.H.); (X.S.)
| | - Dongchao Ji
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China; (W.C.); (D.J.)
| | - Nannan Zheng
- Key Laboratory of Micro-Systems and Micro-Structures Manufacturing (Ministry of Education), School of Medicine and Health, Harbin Institute of Technology, Harbin 150001, China;
| | - Xiangyu Sun
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin 150001, China; (J.S.); (S.P.); (L.H.); (X.S.)
| | - Ranxu Wang
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin 150001, China; (J.S.); (S.P.); (L.H.); (X.S.)
| | - Yumei Niu
- The First Affiliated Hospital of Harbin Medical University, School of Stomatology, Harbin Medical University, Harbin 150001, China; (J.S.); (S.P.); (L.H.); (X.S.)
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Ling J, He C, Zhang S, Zhao Y, Zhu M, Tang X, Li Q, Xu L, Yang Y. Progress in methods for evaluating Schwann cell myelination and axonal growth in peripheral nerve regeneration via scaffolds. Front Bioeng Biotechnol 2023; 11:1308761. [PMID: 38162183 PMCID: PMC10755477 DOI: 10.3389/fbioe.2023.1308761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/20/2023] [Indexed: 01/03/2024] Open
Abstract
Peripheral nerve injury (PNI) is a neurological disorder caused by trauma that is frequently induced by accidents, war, and surgical complications, which is of global significance. The severity of the injury determines the potential for lifelong disability in patients. Artificial nerve scaffolds have been investigated as a powerful tool for promoting optimal regeneration of nerve defects. Over the past few decades, bionic scaffolds have been successfully developed to provide guidance and biological cues to facilitate Schwann cell myelination and orientated axonal growth. Numerous assessment techniques have been employed to investigate the therapeutic efficacy of nerve scaffolds in promoting the growth of Schwann cells and axons upon the bioactivities of distinct scaffolds, which have encouraged a greater understanding of the biological mechanisms involved in peripheral nerve development and regeneration. However, it is still difficult to compare the results from different labs due to the diversity of protocols and the availability of innovative technologies when evaluating the effectiveness of novel artificial scaffolds. Meanwhile, due to the complicated process of peripheral nerve regeneration, several evaluation methods are usually combined in studies on peripheral nerve repair. Herein, we have provided an overview of the evaluation methods used to study the outcomes of scaffold-based therapies for PNI in experimental animal models and especially focus on Schwann cell functions and axonal growth within the regenerated nerve.
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Affiliation(s)
- Jue Ling
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Chang He
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Shuxuan Zhang
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Yahong Zhao
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Meifeng Zhu
- College of Life Sciences, Nankai University, Tianjin, China
| | - Xiaoxuan Tang
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Qiaoyuan Li
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Liming Xu
- Institute of Medical Device Control, National Institutes for Food and Drug Control, Beijing, China
| | - Yumin Yang
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-Innovation Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
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