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Wang Y, Bai M, Wang X, Peng Z, Cai C, Xi J, Yan C, Luo J, Li X. Gastrodin: a comprehensive pharmacological review. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:3781-3802. [PMID: 38165423 DOI: 10.1007/s00210-023-02920-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
Tianma is the dried tuber of Gastrodia elata Blume (G. elata), which is frequently utilized in clinical practice as a traditional Chinese medicine. Gastrodin (GAS) is the main active ingredient of Tianma, which has good pharmacological activity. Therefore, for the first time, this review focused on the extraction, synthesis, pharmacological effects, and derivatives of GAS and to investigate additional development options for GAS. The use of microorganisms to create GAS is a promising method. GAS has good efficacy in the treatment of neurological diseases, cardiovascular diseases, endocrine diseases, and liver diseases. GAS has significant anti-inflammatory, antioxidant, neuroprotective, vascular protective, blood sugar lowering, lipid-regulating, analgesic, anticancer, and antiviral effects. The mechanism involves various signaling pathways such as Nrf2, NF-κB, PI3K/AKT, and AMPK. In addition, the derivatives of GAS and biomaterials synthesized by GAS and PU suggested a broader application of GAS. The research on GAS is thoroughly summarized in this paper, which has useful applications for tackling a variety of disorders and exhibits good development value.
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Affiliation(s)
- Yulin Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Mengting Bai
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xian Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zhaolei Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Chunyan Cai
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jingjing Xi
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Chunmei Yan
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jia Luo
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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Sun Y, Zhang Y, Guo Y, He D, Xu W, Fang W, Zhang C, Zuo Y, Zhang Z. Electrical aligned polyurethane nerve guidance conduit modulates macrophage polarization and facilitates immunoregulatory peripheral nerve regeneration. J Nanobiotechnology 2024; 22:244. [PMID: 38735969 PMCID: PMC11089704 DOI: 10.1186/s12951-024-02507-3] [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: 12/18/2023] [Accepted: 04/29/2024] [Indexed: 05/14/2024] Open
Abstract
Biomaterials can modulate the local immune microenvironments to promote peripheral nerve regeneration. Inspired by the spatial orderly distribution and endogenous electric field of nerve fibers, we aimed to investigate the synergistic effects of electrical and topological cues on immune microenvironments of peripheral nerve regeneration. Nerve guidance conduits (NGCs) with aligned electrospun nanofibers were fabricated using a polyurethane copolymer containing a conductive aniline trimer and degradable L-lysine (PUAT). In vitro experiments showed that the aligned PUAT (A-PUAT) membranes promoted the recruitment of macrophages and induced their polarization towards the pro-healing M2 phenotype, which subsequently facilitated the migration and myelination of Schwann cells. Furthermore, NGCs fabricated from A-PUAT increased the proportion of pro-healing macrophages and improved peripheral nerve regeneration in a rat model of sciatic nerve injury. In conclusion, this study demonstrated the potential application of NGCs in peripheral nerve regeneration from an immunomodulatory perspective and revealed A-PUAT as a clinically-actionable strategy for peripheral nerve injury.
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Affiliation(s)
- Yiting Sun
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Yinglong Zhang
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu, 610064, China
| | - Yibo Guo
- Department of Oral & Maxillofacial-Head & Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Dongming He
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Wanlin Xu
- Department of Oral & Maxillofacial-Head & Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Wei Fang
- MOE Key Laboratory of Low-Grade Energy, Utilization Technologies and Systems, CQU-NUS Renewable, Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering, Chongqing University, Chongqing, 400044, China
| | - Chenping Zhang
- Department of Oral & Maxillofacial-Head & Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Yi Zuo
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University, Chengdu, 610064, China.
| | - Zhen Zhang
- Department of Oral & Maxillofacial-Head & Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.
- Department of Oral and Maxillofacial Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200032, China.
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Zhao Y, Liu Y, Lu C, Sun D, Kang S, Wang X, Lu L. Reduced Graphene Oxide Fibers Combined with Electrical Stimulation Promote Peripheral Nerve Regeneration. Int J Nanomedicine 2024; 19:2341-2357. [PMID: 38469057 PMCID: PMC10926921 DOI: 10.2147/ijn.s449160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/29/2024] [Indexed: 03/13/2024] Open
Abstract
Background The treatment of long-gap peripheral nerve injury (PNI) is still a substantial clinical problem. Graphene-based scaffolds possess extracellular matrix (ECM) characteristic and can conduct electrical signals, therefore have been investigated for repairing PNI. Combined with electrical stimulation (ES), a well performance should be expected. We aimed to determine the effects of reduced graphene oxide fibers (rGOFs) combined with ES on PNI repair in vivo. Methods rGOFs were prepared by one-step dimensionally confined hydrothermal strategy (DCH). Surface characteristics, chemical compositions, electrical and mechanical properties of the samples were characterized. The biocompatibility of the rGOFs were systematically explored both in vitro and in vivo. Total of 54 Sprague-Dawley (SD) rats were randomized into 6 experimental groups: a silicone conduit (S), S+ES, S+rGOFs-filled conduit (SGC), SGC+ES, nerve autograft, and sham groups for a 10-mm sciatic defect. Functional and histological recovery of the regenerated sciatic nerve at 12 weeks after surgery in each group of SD rats were evaluated. Results rGOFs exhibited aligned micro- and nano-channels with excellent mechanical and electrical properties. They are biocompatible in vitro and in vivo. All 6 groups exhibited PNI repair outcomes in view of neurological and morphological recovery. The SGC+ES group achieved similar therapeutic effects as nerve autograft group (P > 0.05), significantly outperformed other treatment groups. Immunohistochemical analysis showed that the expression of proteins related to axonal regeneration and angiogenesis were relatively higher in the SGC+ES. Conclusion The rGOFs had good biocompatibility combined with excellent electrical and mechanical properties. Combined with ES, the rGOFs provided superior motor nerve recovery for a 10-mm nerve gap in a murine acute transection injury model, indicating its excellent repairing ability. That the similar therapeutic effects as autologous nerve transplantation make us believe this method is a promising way to treat peripheral nerve defects, which is expected to guide clinical practice in the future.
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Affiliation(s)
- Yuanyuan Zhao
- Department of Hand and Podiatric Surgery, Orthopedics Center, The First Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Yang Liu
- Department of Hand and Podiatric Surgery, Orthopedics Center, The First Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Cheng Lu
- Department of Hand and Podiatric Surgery, Orthopedics Center, The First Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Daokuan Sun
- School of Materials Science and Engineering, Jilin University, Changchun, Jilin, People’s Republic of China
| | - Shiqi Kang
- Department of Hand and Podiatric Surgery, Orthopedics Center, The First Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Xin Wang
- School of Materials Science and Engineering, Jilin University, Changchun, Jilin, People’s Republic of China
| | - Laijin Lu
- Department of Hand and Podiatric Surgery, Orthopedics Center, The First Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
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Xuan Y, Li L, Yin X, He D, Li S, Zhang C, Yin Y, Xu W, Zhang Z. Bredigite-Based Bioactive Nerve Guidance Conduit for Pro-Healing Macrophage Polarization and Peripheral Nerve Regeneration. Adv Healthc Mater 2024; 13:e2302994. [PMID: 37972314 DOI: 10.1002/adhm.202302994] [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: 09/08/2023] [Revised: 11/06/2023] [Indexed: 11/19/2023]
Abstract
Structural and functional healing of peripheral nerves damaged by trauma or chronic disease remain major clinical challenges, requiring the development of an effective nerve guidance conduit (NGC). The present study investigates a NGC fabrication strategy based on bredigite (BRT, Ca7MgSi4O16) bioceramic for the treatment of peripheral nerve injury. Here, BRT bioceramic shows good biocompatibility and sustainable release of Ca2+, Mg2+, and Si4+ ions. Both BRT extracts and BRT-incorporating electrospun membranes promote the proliferation and myelination potential of RSC96 cells, as well as accelerate vascular formation by human umbilical vein endothelial cells. Notably, BRT facilitates RAW 264.7 cell polarization to the pro-healing phenotype under LPS-induced inflammatory stimulation. More importantly, the macrophages activated by BRT in turn promote RSC96 cell migration and remyelination. In a rat sciatic nerve defect model, improved electrophysiological performance and alleviated gastrocnemius muscle atrophy are observed at 12 weeks post-implantation. Further experiments verify that BRT-loaded NGC facilitates axonal regrowth and revascularization with high M2-like macrophage infiltration. These findings support the beneficial effects of BRT for creating a pro-healing immune microenvironment and orchestrating multicellular processes associated with functional nerve regeneration, indicating the potential of rationally engineered bioceramics as safe, effective, and economical materials for peripheral nerve repair.
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Affiliation(s)
- Yaowei Xuan
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Lin Li
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Xuelai Yin
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Dongming He
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Siyao Li
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Chenping Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Yuan Yin
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Wanlin Xu
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Zhen Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
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5
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Zhong Y, Li S, Chen Y, Tang Y, Xiao X, Nie T. Combining PLGA microspheres loaded with Liver X receptor agonist GW3965 with a chitosan nerve conduit can promote the healing and regeneration of the wounded sciatic nerve. J Biomed Mater Res B Appl Biomater 2024; 112:e35378. [PMID: 38356051 DOI: 10.1002/jbm.b.35378] [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: 11/30/2023] [Accepted: 01/06/2024] [Indexed: 02/16/2024]
Abstract
Globally, peripheral nerve injury (PNI) is a common clinical issue. Successfully repairing severe PNIs has posed a major challenge for clinicians. GW3965 is a highly selective LXR agonist, and previous studies have demonstrated its positive protective effects in both central and peripheral nerve diseases. In this work, we examined the potential reparative effects of GW3965-loaded polylactic acid co-glycolic acid microspheres in conjunction with a chitosan nerve conduit for peripheral nerve damage. The experiment revealed that GW3965 promoted Schwann cell proliferation and neurotrophic factor release in vitro. In vivo experiments conducted on rats showed that GW3965 facilitated the restoration of motor function, promoted axon and myelin regeneration in the sciatic nerve, and enhanced the microenvironment of nerve regeneration. These results offer a novel therapeutic approach for the healing of nerve damage. Overall, this work provides valuable insights and presents a promising therapeutic strategy for addressing PNI.
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Affiliation(s)
- Yuanwu Zhong
- Orthopedic Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Shiqi Li
- Orthopedic Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Yanzhen Chen
- Orthopedic Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Yuan Tang
- Orthopedic Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Xinmao Xiao
- Orthopedic Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Tao Nie
- Orthopedic Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
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Liu YM, Wu AD, Chen Y, Ma TF, Dong BZ, She ZG, Yi ML, Mao WM. Gastrodin inhibits prostate cancer proliferation by targeting canonical Wnt/β-catenin signaling pathway. Med Oncol 2023; 41:32. [PMID: 38150063 DOI: 10.1007/s12032-023-02254-9] [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: 02/05/2023] [Accepted: 04/29/2023] [Indexed: 12/28/2023]
Abstract
Prostate cancer is an epithelial malignant tumor occurring in the prostate and is the most common malignant tumor in the male genitourinary system. In recent years, the incidence of prostate cancer in China has shown a trend of sudden increase. The search for new and effective drugs to treat prostate cancer is therefore extremely important.The canonical Wnt/β-catenin signaling pathway has been shown to be involved in the regulation of tumor proliferation, migration and differentiation. Activation of the canonical Wnt/β-Catenin signaling pathway in the prostate has oncogenic effects. Drugs targeting the canonical Wnt/β-catenin signaling pathway have great potential in the treatment of prostate cancer. In this study, we found that Gastrodin could significantly inhibit the proliferation of prostate cancer cell line PC3 and DU145. Oral administration Gastrodin could significantly inhibit the tumor growth of PC3 cells subcutaneously injected. Gastrodin has an inhibitory effect on canonical Wnt/β-Catenin signaling pathway in Prostate cancer, and this inhibitory effect can be abolished by Wnt/β-Catenin agonist LiCl. These findings raise the possibility that Gastrodin can be used in the treatment of Prostate cancer by targeting canonical Wnt/β-Catenin signaling pathway.
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Affiliation(s)
- Ye-Mao Liu
- Department of Cardiology, Huanggang Central Hospital, Huanggang, 438000, China
- Huanggang Institute of Translational Medicine, Huanggang, 438000, China
| | - An-Ding Wu
- Department of General Surgery, Huanggang Central Hospital, 126 Qi 'an avenue, Huangzhou District, Huanggang, 438000, Hubei Province, China
| | - Yun Chen
- Clinical Trial Centers, Huanggang Central Hospital, Huanggang, 438000, China
| | - Teng-Fei Ma
- Huanggang Institute of Translational Medicine, Huanggang, 438000, China
| | - Bi-Zhen Dong
- Huanggang Institute of Translational Medicine, Huanggang, 438000, China
| | - Zhi-Gang She
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Mao-Lin Yi
- Surgery of Mammary Gland and Thyroid Gland, Huanggang Central Hospital, 126 Qi 'an avenue, Huangzhou District, Huanggang, 438000, Hubei Province, China.
| | - Wei-Ming Mao
- Department of General Surgery, Huanggang Central Hospital, 126 Qi 'an avenue, Huangzhou District, Huanggang, 438000, Hubei Province, China.
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Zheng S, Wei H, Cheng H, Qi Y, Gu Y, Ma X, Sun J, Ye F, Guo F, Cheng C. Advances in nerve guidance conduits for peripheral nerve repair and regeneration. AMERICAN JOURNAL OF STEM CELLS 2023; 12:112-123. [PMID: 38213640 PMCID: PMC10776341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/02/2023] [Indexed: 01/13/2024]
Abstract
Peripheral nerve injury (PNI) can cause partial or total motor and sensory nerve function, leading to physical disability and nerve pain that severely affects patients' quality of life. Autologous nerve transplantation is currently the clinically recognized gold standard, but due to its inherent limitations, researchers have been searching for alternative treatments. Nerve guidance conduits (NGCs) have attracted much attention as a favorable alternative to promote the repair and regeneration of damaged peripheral nerves. In this review, we provide an overview of the anatomy of peripheral nerves, peripheral nerve injury and repair, and current treatment methods. Importantly, different design strategies of NGCs used for the treatment of PNI and their applications in PNI repair are highlighted. Finally, an outlook on the future development and challenges of NGCs is presented.
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Affiliation(s)
- Shasha Zheng
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
| | - Hao Wei
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
| | - Hong Cheng
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
| | - Yanru Qi
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
| | - Yajun Gu
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
| | - Xiaofeng Ma
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
| | - Jiaqiang Sun
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of ChinaHefei 230001, Anhui, China
| | - Fanglei Ye
- Department of Otology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450000, Henan, China
| | - Fangfang Guo
- Department of Plastic and Reconstruction Surgery, Zhongda Hospital, Southeast UniversityNanjing 210009, Jiangsu, China
| | - Cheng Cheng
- Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Jiangsu Provincial Key Medical Discipline (Laboratory)Nanjing 210003, Jiangsu, China
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Wu S, Shen W, Ge X, Ao F, Zheng Y, Wang Y, Jia X, Mao Y, Luo Y. Advances in Large Gap Peripheral Nerve Injury Repair and Regeneration with Bridging Nerve Guidance Conduits. Macromol Biosci 2023; 23:e2300078. [PMID: 37235853 DOI: 10.1002/mabi.202300078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/10/2023] [Indexed: 05/28/2023]
Abstract
Peripheral nerve injury is a common complication of accidents and diseases. The traditional autologous nerve graft approach remains the gold standard for the treatment of nerve injuries. While sources of autologous nerve grafts are very limited and difficult to obtain. Nerve guidance conduits are widely used in the treatment of peripheral nerve injuries as an alternative to nerve autografts and allografts. However, the development of nerve conduits does not meet the needs of large gap peripheral nerve injury. Functional nerve conduits can provide a good microenvironment for axon elongation and myelin regeneration. Herein, the manufacturing methods and different design types of functional bridging nerve conduits for nerve conduits combined with electrical or magnetic stimulation and loaded with Schwann cells, etc., are summarized. It summarizes the literature and finds that the technical solutions of functional nerve conduits with electrical stimulation, magnetic stimulation and nerve conduits combined with Schwann cells can be used as effective strategies for bridging large gap nerve injury and provide an effective way for the study of large gap nerve injury repair. In addition, functional nerve conduits provide a new way to construct delivery systems for drugs and growth factors in vivo.
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Affiliation(s)
- Shang Wu
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Wen Shen
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Xuemei Ge
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Fen Ao
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Yan Zheng
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Yigang Wang
- Department of Pharmacy, No. 215 Hospital of Shaanxi Nuclear Industry, Xianyang, Shaanxi, 712000, P. R. China
| | - Xiaoni Jia
- Central Laboratory, Xi'an Mental Health Center, Xi'an, 710061, P. R. China
| | - Yueyang Mao
- School of Biological and Pharmaceutical Sciences, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Yali Luo
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
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Wan T, Wang YL, Zhang FS, Zhang XM, Zhang YC, Jiang HR, Zhang M, Zhang PX. The Porous Structure of Peripheral Nerve Guidance Conduits: Features, Fabrication, and Implications for Peripheral Nerve Regeneration. Int J Mol Sci 2023; 24:14132. [PMID: 37762437 PMCID: PMC10531895 DOI: 10.3390/ijms241814132] [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: 07/08/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Porous structure is an important three-dimensional morphological feature of the peripheral nerve guidance conduit (NGC), which permits the infiltration of cells, nutrients, and molecular signals and the discharge of metabolic waste. Porous structures with precisely customized pore sizes, porosities, and connectivities are being used to construct fully permeable, semi-permeable, and asymmetric peripheral NGCs for the replacement of traditional nerve autografts in the treatment of long-segment peripheral nerve injury. In this review, the features of porous structures and the classification of NGCs based on these characteristics are discussed. Common methods for constructing 3D porous NGCs in current research are described, as well as the pore characteristics and the parameters used to tune the pores. The effects of the porous structure on the physical properties of NGCs, including biodegradation, mechanical performance, and permeability, were analyzed. Pore structure affects the biological behavior of Schwann cells, macrophages, fibroblasts, and vascular endothelial cells during peripheral nerve regeneration. The construction of ideal porous structures is a significant advancement in the regeneration of peripheral nerve tissue engineering materials. The purpose of this review is to generalize, summarize, and analyze methods for the preparation of porous NGCs and their biological functions in promoting peripheral nerve regeneration to guide the development of medical nerve repair materials.
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Affiliation(s)
- Teng Wan
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Yi-Lin Wang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Feng-Shi Zhang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Xiao-Meng Zhang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Yi-Chong Zhang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Hao-Ran Jiang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Meng Zhang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
| | - Pei-Xun Zhang
- Department of OrthopedSics and Trauma, Peking University People’s Hospital, Beijing 100044, China; (T.W.)
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Centre for Trauma Medicine, Beijing 100044, China
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10
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Dong Q, Yang X, Liang X, Liu J, Wang B, Zhao Y, Huselstein C, Feng X, Tong Z, Chen Y. Composite Hydrogel Conduit Incorporated with Platelet-Rich Plasma Improved the Regenerative Microenvironment for Peripheral Nerve Repair. ACS APPLIED MATERIALS & INTERFACES 2023; 15:24120-24133. [PMID: 37162458 DOI: 10.1021/acsami.3c02548] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Peripheral nerve regeneration and functional recovery remain major challenges in clinical practice. Nerve guidance conduits (NGCs) which can regulate the regenerative microenvironment are beneficial for peripheral nerve repair. Platelet-rich plasma (PRP) can secrete multiple growth factors to regulate the regenerative microenvironment. However, current administration methods of PRP are rapidly activated followed by the burst release of growth factors, causing low therapeutic efficiency in vivo. To overcome these disadvantages, a composite nerve conduit was fabricated by incorporating PRP into a gelatin methacrylate (GelMA) and sodium alginate (SA) hydrogel. The GelMA/SA-3/PRP-20 NGCs possess optimal mechanical properties, degradation rate, and superior biological performance. Importantly, GelMA/SA-3/PRP-20 NGCs achieved the sustained release of two major growth factors (VEGF-A, PDGF-BB) from PRP. Moreover, the GelMA/SA-3/PRP-20 NGCs significantly promoted the migration of Schwann cells and the neovascularization of endothelial cells in vitro. While bridging 10 mm rat sciatic nerve defects, the GelMA/SA-3/PRP-20 NGCs promoted axonal regeneration and functional recovery of peripheral nerves. Therefore, the GelMA/SA-3/PRP-20 NGCs could regulate the regenerative microenvironment by sustained release of growth factors from PRP and shed new light on the clinical application of PRP in peripheral nerve repair.
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Affiliation(s)
- Qi Dong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
| | - Xindi Yang
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
| | - Xiao Liang
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
| | - Jing Liu
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
| | - Binyi Wang
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
| | - Yanteng Zhao
- Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Céline Huselstein
- UMR 7365 CNRS, Medical School, University of Lorraine, 54505 Nancy, France
| | | | - Zan Tong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan 430071, China
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11
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Yang C, Qiu H, Lv M, Yang J, Wu K, Huang J, Jiang Q. Gastrodin protects endothelial cells against high glucose-induced injury through up-regulation of PPARβ and alleviation of nitrative stress. Microvasc Res 2023; 148:104531. [PMID: 36963481 DOI: 10.1016/j.mvr.2023.104531] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/11/2023] [Accepted: 03/20/2023] [Indexed: 03/26/2023]
Abstract
In diabetes mellitus (DM), high glucose can result in endothelial cell injury, and then lead to diabetic vascular complications. Gastrodin, as the mainly components of Chinese traditional herb Tianma (Gastrodia elata Bl.), has been widely used for cardiovascular diseases. However, the known of the effect of gastrodin on endothelial cell injury is still limited. In this study, we aimed to investigate the effect and possible mechanism of gastrodin on high glucose-injured human umbilical vein endothelial cells (HUVEC). High glucose (30 mmol/L) treatment caused HUVEC injury. After gastrodin (0.1, 1, 10 μmol/L) treatment, compared with the high glucose group, the cell proliferation ability increased in a dose-dependent manner. Meanwhile, gastrodin (10 μmol/L) up-regulated the mRNA and protein expressions of PPARβ and eNOS, decreased the expressions of iNOS, also reduced the protein expression of 3-nitrotyrosine, and lowed the level of ONOO-, increased NO content. Both the PPARβ antagonist GSK0660 (1 μmol/L) and the eNOS inhibitor L-NAME (10 μmol/L) were able to block the above effects of gastrodin. In conclusion, gastrodin protectes vascular endothelial cells from high glucose injury, which may be, at least partly, mediated by up-regulating the expression of PPARβ and negatively regulating nitrative stress.
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Affiliation(s)
- Chuang Yang
- Department of Pharmacology, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Key Laboratory of Drug Metabolism, College of Pharmacy, Chongqing Medical University, Chongqing 400016, PR China
| | - Hongmei Qiu
- Department of Pharmacology, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Key Laboratory of Drug Metabolism, College of Pharmacy, Chongqing Medical University, Chongqing 400016, PR China
| | - Mingqi Lv
- Experimental Teaching Management Center, Chongqing Medical University, Chongqing 400016, PR China
| | - Junxia Yang
- Department of Pharmacology, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Key Laboratory of Drug Metabolism, College of Pharmacy, Chongqing Medical University, Chongqing 400016, PR China
| | - Ke Wu
- Department of Pharmacology, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Key Laboratory of Drug Metabolism, College of Pharmacy, Chongqing Medical University, Chongqing 400016, PR China
| | - Jiajun Huang
- Department of Pharmacology, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Key Laboratory of Drug Metabolism, College of Pharmacy, Chongqing Medical University, Chongqing 400016, PR China
| | - Qingsong Jiang
- Department of Pharmacology, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Key Laboratory of Drug Metabolism, College of Pharmacy, Chongqing Medical University, Chongqing 400016, PR China.
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12
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Wang Y, Lin J, Chen J, Liang R, Zhang Q, Li J, Shi M, Li L, He X, Lan T, Hui X, Tan H. Biodegradable polyurethane-incorporating decellularized spinal cord matrix scaffolds enhance Schwann cell reprogramming to promote peripheral nerve repair. J Mater Chem B 2023; 11:2115-2128. [PMID: 36779440 DOI: 10.1039/d2tb02679a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Decellularized extracellular matrix (dECM) nerve guide conduits (NGCs) are a promising strategy to replace autogenous nerve grafting for the treatment of peripheral nerve system (PNS) injury. However, dECM conduits with mechanical properties that match those of peripheral nerves are yet to be well developed. Herein, we developed polyurethane-based NGCs incorporating decellularized spinal cord (BWPU-DSC NGCs) to repair peripheral nerves. BWPU-DSC NGCs have an inner three-dimensional micro-nanostructure. The mechanical properties of BWPU-DSC NGCs were similar to those of polyurethane NGCs, which were proven to promote peripheral nerve regeneration. An in vitro study indicated that BWPU-DSC NGCs could boost the proliferation and growth of cell processes in Schwann and neuron-like cells. In a rat sciatic nerve transected injury model, BWPU-DSC NGCs exhibited a dramatic increase in nerve repair, similar to that obtained by the current gold standard autograft implantation at only 6 weeks post-implantation, whereas polyurethane NGCs still displayed incomplete nerve repair. Histological analysis revealed that BWPU-DSC NGCs could induce the reprogramming of Schwann cells to promote axon regeneration and remyelination. Moreover, reprogrammed Schwann cells together with BWPU-DSC NGCs had anti-inflammatory effects and altered the activation state of macrophages to M2 phenotypes to enhance PNS regeneration. In this study, we provided a strategy to prepare polyurethane-based dECM NGCs enriched with bioactive molecules to promote PNS regeneration.
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Affiliation(s)
- Yanchao Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610000, China
| | - Jingjing Lin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X center of materials, Sichuan University, Chengdu, Sichuan, 610065, China.
| | - Jinlin Chen
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X center of materials, Sichuan University, Chengdu, Sichuan, 610065, China.
| | - Ruichao Liang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610000, China
| | - Qiao Zhang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610000, China
| | - Jiehua Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X center of materials, Sichuan University, Chengdu, Sichuan, 610065, China.
| | - Min Shi
- Department of Pathology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Cancer Hospital affiliate to School of Medicine, UESTC, Chengdu, 610000, China.
| | - Lei Li
- Gastrointestinal Surgery Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Cancer Hospital affiliate to School of Medicine, UESTC, Chengdu, 610000, China
| | - Xueling He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X center of materials, Sichuan University, Chengdu, Sichuan, 610065, China. .,Editorial Board of Journal of Sichuan University (Medical Sciences), Sichuan University, Chengdu, Sichuan, 610000, China
| | - Ting Lan
- Department of Pathology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Cancer Hospital affiliate to School of Medicine, UESTC, Chengdu, 610000, China.
| | - Xuhui Hui
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610000, China
| | - Hong Tan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Med-X center of materials, Sichuan University, Chengdu, Sichuan, 610065, China.
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13
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Chi X, Wang L, Liu H, Zhang Y, Shen W. Post-stroke cognitive impairment and synaptic plasticity: A review about the mechanisms and Chinese herbal drugs strategies. Front Neurosci 2023; 17:1123817. [PMID: 36937659 PMCID: PMC10014821 DOI: 10.3389/fnins.2023.1123817] [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: 12/14/2022] [Accepted: 02/13/2023] [Indexed: 03/06/2023] Open
Abstract
Post-stroke cognitive impairment, is a major complication of stroke, characterized by cognitive dysfunction, which directly affects the quality of life. Post-stroke cognitive impairment highlights the causal relationship between stroke and cognitive impairment. The pathological damage of stroke, including the increased release of excitatory amino acids, oxidative stress, inflammatory responses, apoptosis, changed neurotrophic factor levels and gene expression, influence synaptic plasticity. Synaptic plasticity refers to the activity-dependent changes in the strength of synaptic connections and efficiency of synaptic transmission at pre-existing synapses and can be divided into structural synaptic plasticity and functional synaptic plasticity. Changes in synaptic plasticity have been proven to play important roles in the occurrence and treatment of post-stroke cognitive impairment. Evidence has indicated that Chinese herbal drugs have effect of treating post-stroke cognitive impairment. In this review, we overview the influence of pathological damage of stroke on synaptic plasticity, analyze the changes of synaptic plasticity in post-stroke cognitive impairment, and summarize the commonly used Chinese herbal drugs whose active ingredient or extracts can regulate synaptic plasticity. This review will summarize the relationship between post-stroke cognitive impairment and synaptic plasticity, provide new ideas for future exploration of the mechanism of post-stroke cognitive impairment, compile evidence of applying Chinese herbal drugs to treat post-stroke cognitive impairment and lay a foundation for the development of novel formulas for treating post-stroke cognitive impairment.
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Affiliation(s)
- Xiansu Chi
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Liuding Wang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hongxi Liu
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Yunling Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wei Shen
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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14
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Zeng M, Guo D, Fernández-Varo G, Zhang X, Fu S, Ju S, Yang H, Liu X, Wang YC, Zeng Y, Casals G, Casals E. The Integration of Nanomedicine with Traditional Chinese Medicine: Drug Delivery of Natural Products and Other Opportunities. Mol Pharm 2023; 20:886-904. [PMID: 36563052 DOI: 10.1021/acs.molpharmaceut.2c00882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The integration of progressive technologies such as nanomedicine with the use of natural products from traditional medicine (TM) provides a unique opportunity for the longed-for harmonization between traditional and modern medicine. Although several actions have been initiated decades ago, a disparity of reasons including some misunderstandings between each other limits the possibilities of a truly complementation. Herein, we analyze some common challenges between nanomedicine and traditional Chinese medicine (TCM). These challenges, if solved in a consensual way, can give a boost to such harmonization. Nanomedicine is a recently born technology, while TCM has been used by the Chinese people for thousands of years. However, for these disciplines, the regulation and standardization of many of the protocols, especially related to the toxicity and safety, regulatory aspects, and manufacturing procedures, are under discussion. Besides, both TCM and nanomedicine still need to achieve a wider social acceptance. Herein, we first briefly discuss the strengths and weaknesses of TCM. This analysis serves to focus afterward on the aspects where TCM and nanomedicine can mutually help to bridge the existing gaps between TCM and Western modern medicine. As discussed, many of these challenges can be applied to TM in general. Finally, recent successful cases in scientific literature that merge TCM and nanomedicine are reviewed as examples of the benefits of this harmonization.
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Affiliation(s)
- Muling Zeng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Dongdong Guo
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Guillermo Fernández-Varo
- Service of Biochemistry and Molecular Genetics, Hospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Carrer de Villarroel, 170, 08036 Barcelona, Spain.,Department of Biomedicine, University of Barcelona, 08007 Barcelona, Spain
| | - Xu Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Siqi Fu
- Department of Dermatology, Second Xiangya Hospital Central South University, Changsha 410011, China
| | - Shijie Ju
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Huiling Yang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Xingfei Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Ya-Chao Wang
- The Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen 518035, China
| | - Yu Zeng
- Department of Neurosurgery, Xiangya Hospital Central South University, Changsha 410008, China.,First Clinical Department of Changsha Medical University, Changsha 410219, China
| | - Gregori Casals
- Service of Biochemistry and Molecular Genetics, Hospital Clinic Universitari, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Carrer de Villarroel, 170, 08036 Barcelona, Spain
| | - Eudald Casals
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
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15
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Wang M, Xu P, Lei B. Engineering multifunctional bioactive citrate-based biomaterials for tissue engineering. Bioact Mater 2023; 19:511-537. [PMID: 35600971 PMCID: PMC9096270 DOI: 10.1016/j.bioactmat.2022.04.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 12/21/2022] Open
Abstract
Developing bioactive biomaterials with highly controlled functions is crucial to enhancing their applications in regenerative medicine. Citrate-based polymers are the few bioactive polymer biomaterials used in biomedicine because of their facile synthesis, controllable structure, biocompatibility, biomimetic viscoelastic mechanical behavior, and functional groups available for modification. In recent years, various multifunctional designs and biomedical applications, including cardiovascular, orthopedic, muscle tissue, skin tissue, nerve and spinal cord, bioimaging, and drug or gene delivery based on citrate-based polymers, have been extensively studied, and many of them have good clinical application potential. In this review, we summarize recent progress in the multifunctional design and biomedical applications of citrate-based polymers. We also discuss the further development of multifunctional citrate-based polymers with tailored properties to meet the requirements of various biomedical applications. Multifunctional bioactive citrate-based biomaterials have broad applications in regenerative medicine. Recent advances in multifunctional design and biomedical applications of citate-based polymers are summarized. Future challenge of citrate-based polymers in various biomedical applications are discussed.
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16
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Zhang H, Lan D, Li X, Li Z, Dai F. Conductive and antibacterial scaffold with rapid crimping property for application prospect in repair of peripheral nerve injury. J Appl Polym Sci 2022. [DOI: 10.1002/app.53426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Hai‐qiang Zhang
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Dong‐wei Lan
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Xia Li
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Zhi Li
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Fang‐Yin Dai
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs Southwest University Chongqing China
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17
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Li Y, Li F. Mechanism and Prospect of Gastrodin in Osteoporosis, Bone Regeneration, and Osseointegration. Pharmaceuticals (Basel) 2022; 15:1432. [PMID: 36422561 PMCID: PMC9698149 DOI: 10.3390/ph15111432] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/14/2023] Open
Abstract
Gastrodin, a traditional Chinese medicine ingredient, is widely used to treat vascular and neurological diseases. However, recently, an increasing number of studies have shown that gastrodin has anti-osteoporosis effects, and its mechanisms of action include its antioxidant effect, anti-inflammatory effect, and anti-apoptotic effect. In addition, gastrodin has many unique advantages in promoting bone healing in tissue engineering, such as inducing high hydrophilicity in the material surface, its anti-inflammatory effect, and pro-vascular regeneration. Therefore, this paper summarized the effects and mechanisms of gastrodin on osteoporosis and bone regeneration in the current research. Here we propose an assumption that the use of gastrodin in the surface loading of oral implants may greatly promote the osseointegration of implants and increase the success rate of implants. In addition, we speculated on the potential mechanisms of gastrodin against osteoporosis, by affecting actin filament polymerization, renin-angiotensin system (RAS) and ferroptosis, and proposed that the potential combination of gastrodin with Mg2+, angiotensin type 2 receptor blockers or artemisinin may greatly inhibit osteoporosis. The purpose of this review is to provide a reference for more in-depth research and application of gastrodin in the treatment of osteoporosis and implant osseointegration in the future.
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Affiliation(s)
| | - Fenglan Li
- Department of Prosthodontics, Shanxi Provincial People’s Hospital, Shanxi Medical University, Taiyuan 030000, China
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18
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Glial Cell Line-Derived Neurotrophic Factor-Loaded CMCht/PAMAM Dendrimer Nanoparticles for Peripheral Nerve Repair. Pharmaceutics 2022; 14:pharmaceutics14112408. [DOI: 10.3390/pharmaceutics14112408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/30/2022] [Accepted: 11/01/2022] [Indexed: 11/09/2022] Open
Abstract
(1) Background: Peripheral nerve injuries represent a major clinical challenge. If nerve ends retract, there is no spontaneous regeneration and grafts are required to proximate the nerve ends and give continuity to the nerve. (2) Methods: GDNF-loaded NPs were characterized physicochemically. For that, NPs stability at different pH’s was assessed, and GDNF release was studied through ELISA. In vitro studies are performed with Schwann cells, and the NPs are labeled with fluorescein-5(6)-isothiocyanate for uptake experiments with SH-SY5Y neural cells. (3) Results: GDNF-loaded NPs are stable in physiological conditions, releasing GDNF in a two-step profile, which is beneficial for nerve repair. Cell viability is improved after 1 day of culture, and the uptake is near 99.97% after 3 days of incubation. (4) Conclusions: The present work shows the efficiency of using CMCht/PAMAM NPs as a GDNF-release system to act on peripheral nerve regeneration.
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19
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Jiang Y, Tang X, Li T, Ling J, Yang Y. The success of biomaterial-based tissue engineering strategies for peripheral nerve regeneration. Front Bioeng Biotechnol 2022; 10:1039777. [PMID: 36329703 PMCID: PMC9622790 DOI: 10.3389/fbioe.2022.1039777] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/04/2022] [Indexed: 11/26/2022] Open
Abstract
Peripheral nerve injury is a clinically common injury that causes sensory dysfunction and locomotor system degeneration, which seriously affects the quality of the patients’ daily life. Long gapped defects in large nerve are difficult to repair via surgery and limited donor source of autologous nerve greatly challenges the successful nerve repair by transplantation. Significantly, remarkable progress has been made in repairing the peripheral nerve injury using artificial nerve grafts and a variety of products for peripheral nerve repair have emerged been approved globally in recent years. The raw materials of these commercial products includes natural/synthetic polymers, extracellular matrix. Despite a lot of effort, the desirable functional recovery still remains great challenges in long gapped nerve defects. Thus this review discusses the recent development of tissue engineering products for peripheral nerve repair and the design of bionic grafts improving the local microenvironment for accelerating nerve regeneration against locomotor disorder, which may provide potential strategies for the repair of long gaps or thick nerve defects by multifunctional biomaterials.
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Affiliation(s)
- Yuhui Jiang
- Medical School of Nantong University, Nantong University, Nantong, China
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-innovation Center of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Xiaoxuan Tang
- Medical School of Nantong University, Nantong University, Nantong, China
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-innovation Center of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Tao Li
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-innovation Center of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
| | - Jue Ling
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-innovation Center of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
- *Correspondence: Jue Ling, ; Yumin Yang,
| | - Yumin Yang
- Medical School of Nantong University, Nantong University, Nantong, China
- Key Laboratory of Neuroregeneration, Ministry of Education and Jiangsu Province, Co-innovation Center of Neuroregeneration, Jiangsu Clinical Medicine Center of Tissue Engineering and Nerve Injury Repair, Nantong University, Nantong, China
- *Correspondence: Jue Ling, ; Yumin Yang,
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20
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Kong Y, Xu J, Han Q, Zheng T, Wu L, Li G, Yang Y. Electrospinning porcine decellularized nerve matrix scaffold for peripheral nerve regeneration. Int J Biol Macromol 2022; 209:1867-1881. [PMID: 35489621 DOI: 10.1016/j.ijbiomac.2022.04.161] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 04/09/2022] [Accepted: 04/21/2022] [Indexed: 12/27/2022]
Abstract
The composition and spatial structure of bioscaffold materials are essential for constructing tissue regeneration microenvironments. In this study, by using an electrospinning technique without any other additives, we successfully developed pure porcine decellularized nerve matrix (xDNME) conduits. The developed xDNME was composed of an obvious decellularized matrix fiber structure and effectively retained the natural components in the decellularized matrix of the nerve tissue. The xDNME conduit exhibited superior biocompatibility and the ability to overcome inter-species barriers. In vivo, after 12 weeks of implantation, xDNME significantly promoted the regeneration of rat sciatic nerve. The regenerated nerve fibers completely connected the two ends of the nerve defect, which were about 8 mm apart. The xDNME and xDNME-OPC groups showed myelin structures in the regenerated nerve fibers. In the xDNME group, the average thickness of the regenerated myelin sheath was 0.640 ± 0.013 μm, which was almost comparable to that in the autologous nerve group (0.646 ± 0.017 μm). Electrophysiological experiments revealed that both of the regenerated nerve fibers in the xDNME and xDNME-OPC groups had excellent abilities to transmit electrical signals. Respectively, the average conduction velocities of xDNME and xDNME-OPC were 8.86 ± 3.57 m/s and 6.99 ± 3.43 m/s. In conclusion, the xDNME conduits have a great potential for clinical treatment of peripheral nerve injuries, which may clinically transform peripheral nerve related regenerative medicine.
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Affiliation(s)
- Yan Kong
- Key Laboratory of Eco-Textiles, Ministry of Education, College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jiawei Xu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, Jiangsu 226001, PR China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, PR China
| | - Qi Han
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, Jiangsu 226001, PR China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, PR China
| | - Tiantian Zheng
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, Jiangsu 226001, PR China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, PR China
| | - Linliang Wu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, Jiangsu 226001, PR China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, PR China
| | - Guicai Li
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, Jiangsu 226001, PR China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, PR China
| | - Yumin Yang
- Key Laboratory of Eco-Textiles, Ministry of Education, College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, Jiangsu 226001, PR China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, PR China.
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21
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Hong S, Yoon J, Cha J, Ahn J, Mandakhbayar N, Park JH, Im J, Jin G, Kim M, Knowles JC, Lee H, Lee J, Kim H. Hyperelastic, shape‐memorable, and ultra‐cell‐adhesive degradable polycaprolactone‐polyurethane copolymer for tissue regeneration. Bioeng Transl Med 2022; 7:e10332. [PMID: 36176615 PMCID: PMC9472029 DOI: 10.1002/btm2.10332] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/04/2022] [Accepted: 04/13/2022] [Indexed: 12/05/2022] Open
Abstract
Novel polycaprolactone‐based polyurethane (PCL‐PU) copolymers with hyperelasticity, shape‐memory, and ultra‐cell‐adhesion properties are reported as clinically applicable tissue‐regenerative biomaterials. New isosorbide derivatives (propoxylated or ethoxylated ones) were developed to improve mechanical properties by enhanced reactivity in copolymer synthesis compared to the original isosorbide. Optimized PCL‐PU with propoxylated isosorbide exhibited notable mechanical performance (50 MPa tensile strength and 1150% elongation with hyperelasticity under cyclic load). The shape‐memory effect was also revealed in different forms (film, thread, and 3D scaffold) with 40%–80% recovery in tension or compression mode after plastic deformation. The ultra‐cell‐adhesive property was proven in various cell types which were reasoned to involve the heat shock protein‐mediated integrin (α5 and αV) activation, as analyzed by RNA sequencing and inhibition tests. After the tissue regenerative potential (muscle and bone) was confirmed by the myogenic and osteogenic responses in vitro, biodegradability, compatible in vivo tissue response, and healing capacity were investigated with in vivo shape‐memorable behavior. The currently exploited PCL‐PU, with its multifunctional (hyperelastic, shape‐memorable, ultra‐cell‐adhesive, and degradable) nature and biocompatibility, is considered a potential tissue‐regenerative biomaterial, especially for minimally invasive surgery that requires small incisions to approach large defects with excellent regeneration capacity.
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22
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Pedersen DD, Kim S, Wagner WR. Biodegradable polyurethane scaffolds in regenerative medicine: Clinical translation review. J Biomed Mater Res A 2022; 110:1460-1487. [PMID: 35481723 DOI: 10.1002/jbm.a.37394] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/07/2022] [Accepted: 04/09/2022] [Indexed: 12/14/2022]
Abstract
Early explorations of tissue engineering and regenerative medicine concepts commonly utilized simple polyesters such as polyglycolide, polylactide, and their copolymers as scaffolds. These biomaterials were deemed clinically acceptable, readily accessible, and provided processability and a generally known biological response. With experience and refinement of approaches, greater control of material properties and integrated bioactivity has received emphasis and a broadened palette of synthetic biomaterials has been employed. Biodegradable polyurethanes (PUs) have emerged as an attractive option for synthetic scaffolds in a variety of tissue applications because of their flexibility in molecular design and ability to fulfill mechanical property objectives, particularly in soft tissue applications. Biodegradable PUs are highly customizable based on their composition and processability to impart tailored mechanical and degradation behavior. Additionally, bioactive agents can be readily incorporated into these scaffolds to drive a desired biological response. Enthusiasm for biodegradable PU scaffolds has soared in recent years, leading to rapid growth in the literature documenting novel PU chemistries, scaffold designs, mechanical properties, and aspects of biocompatibility. Despite the enthusiasm in the field, there are still few examples of biodegradable PU scaffolds that have achieved regulatory approval and routine clinical use. However, there is a growing literature where biodegradable PU scaffolds are being specifically developed for a wide range of pathologies and where relevant pre-clinical models are being employed. The purpose of this review is first to highlight examples of clinically used biodegradable PU scaffolds, and then to summarize the growing body of reports on pre-clinical applications of biodegradable PU scaffolds.
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Affiliation(s)
- Drake D Pedersen
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Seungil Kim
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - William R Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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23
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Gastrodin and Vascular Dementia: Advances and Current Perspectives. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:2563934. [PMID: 35463081 PMCID: PMC9019412 DOI: 10.1155/2022/2563934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/08/2022] [Accepted: 03/16/2022] [Indexed: 12/15/2022]
Abstract
Gastrodia elata, a traditional Chinese medicine, has been widely used since ancient times to treat diseases such as dizziness, epilepsy, stroke, and memory loss. Gastrodin, one of the active components of Gastrodia elata, has been used in the treatment of migraine, epilepsy, Parkinson's disease, dementia, and depression in recent years. It can improve cognitive function and related neuropsychiatric symptoms through various effects and is considered as a promising treatment for dementia. Vascular dementia is a kind of severe cognitive impairment syndrome caused by vascular factors, and it is the dementia syndrome with the largest number of patients besides Alzheimer's disease. Although there is still a lack of evidence-based explorations, the paper reviewed the mechanism and methods of gastrodin in the treatment of vascular dementia, providing a reference for clinical therapy.
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Bai J, Liu C, Kong L, Tian S, Yu K, Tian D. Electrospun Polycaprolactone (PCL)-Amnion Nanofibrous Membrane Promotes Nerve Regeneration and Prevents Fibrosis in a Rat Sciatic Nerve Transection Model. Front Surg 2022; 9:842540. [PMID: 35372465 PMCID: PMC8971199 DOI: 10.3389/fsurg.2022.842540] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/21/2022] [Indexed: 11/13/2022] Open
Abstract
Functional recovery after peripheral nerve injury repair is typically unsatisfactory. An anastomotically poor microenvironment and scarring at the repair site are important factors impeding nerve regeneration. In this study, an electrospun poly-e-caprolactone (PCL)-amnion nanofibrous membrane comprising an amnion membrane and nonwoven electrospun PCL was used to wrap the sciatic nerve repair site in the rat model of a sciatic nerve transection. The effect of the PCL-amnion nanofibrous membrane on improving nerve regeneration and preventing scarring at the repair site was evaluated by expression of the inflammatory cytokine, sciatic functional index (SFI), electrophysiology, and histological analyses. Four weeks after repair, the degree of nerve adhesion, collagen deposition, and intraneural macrophage invasion of the PCL-amnion nanofibrous membrane group were significantly decreased compared with those of the Control group. Moreover, the PCL-amnion nanofibrous membrane decreased the expression of pro-inflammatory cytokines such as interleukin(IL)-6, Tumor Necrosis Factor(TNF)-a and the number of pro-inflammatory M1 macrophages, and increased the expression of anti-inflammatory cytokine such as IL-10, IL-13 and anti-inflammatory M2 macrophages. At 16 weeks, the PCL-amnion nanofibrous membrane improved functional recovery, including promoting nerve Schwann cell proliferation, axon regeneration, and reducing the time of muscle denervation. In summary, the PCL-amnion nanofibrous membrane effectively improved nerve regeneration and prevent fibrosis after nerve repair, which has good clinical application prospect for tissue repair.
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Affiliation(s)
- Jiangbo Bai
- Department of Hand Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Chunjie Liu
- Department of Orthopedics, Tangshan Workers Hospital, Tangshan, China
| | - Lingde Kong
- Department of Hand Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Siyu Tian
- Department of Orthopedics, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Kunlun Yu
- Department of Hand Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Dehu Tian
- Department of Hand Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China
- *Correspondence: Dehu Tian
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25
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Berezutsky M, Durnova N, Romanteeva Y. Neurobiological effects of gastrodin and its possible use in neurology and psychiatry. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:27-34. [DOI: 10.17116/jnevro202212208127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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