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Zhu S, Liu X, Lu X, Liao Q, Luo H, Tian Y, Cheng X, Jiang Y, Liu G, Chen J. Biomaterials and tissue engineering in traumatic brain injury: novel perspectives on promoting neural regeneration. Neural Regen Res 2024; 19:2157-2174. [PMID: 38488550 PMCID: PMC11034597 DOI: 10.4103/1673-5374.391179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/13/2023] [Accepted: 11/20/2023] [Indexed: 04/24/2024] Open
Abstract
Traumatic brain injury is a serious medical condition that can be attributed to falls, motor vehicle accidents, sports injuries and acts of violence, causing a series of neural injuries and neuropsychiatric symptoms. However, limited accessibility to the injury sites, complicated histological and anatomical structure, intricate cellular and extracellular milieu, lack of regenerative capacity in the native cells, vast variety of damage routes, and the insufficient time available for treatment have restricted the widespread application of several therapeutic methods in cases of central nervous system injury. Tissue engineering and regenerative medicine have emerged as innovative approaches in the field of nerve regeneration. By combining biomaterials, stem cells, and growth factors, these approaches have provided a platform for developing effective treatments for neural injuries, which can offer the potential to restore neural function, improve patient outcomes, and reduce the need for drugs and invasive surgical procedures. Biomaterials have shown advantages in promoting neural development, inhibiting glial scar formation, and providing a suitable biomimetic neural microenvironment, which makes their application promising in the field of neural regeneration. For instance, bioactive scaffolds loaded with stem cells can provide a biocompatible and biodegradable milieu. Furthermore, stem cells-derived exosomes combine the advantages of stem cells, avoid the risk of immune rejection, cooperate with biomaterials to enhance their biological functions, and exert stable functions, thereby inducing angiogenesis and neural regeneration in patients with traumatic brain injury and promoting the recovery of brain function. Unfortunately, biomaterials have shown positive effects in the laboratory, but when similar materials are used in clinical studies of human central nervous system regeneration, their efficacy is unsatisfactory. Here, we review the characteristics and properties of various bioactive materials, followed by the introduction of applications based on biochemistry and cell molecules, and discuss the emerging role of biomaterials in promoting neural regeneration. Further, we summarize the adaptive biomaterials infused with exosomes produced from stem cells and stem cells themselves for the treatment of traumatic brain injury. Finally, we present the main limitations of biomaterials for the treatment of traumatic brain injury and offer insights into their future potential.
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Affiliation(s)
- Shihong Zhu
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Xiaoyin Liu
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan Province, China
| | - Xiyue Lu
- Department of Anesthesiology, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Qiang Liao
- Department of Pharmacy, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Huiyang Luo
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
- Department of Anesthesiology, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Yuan Tian
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Xu Cheng
- Department of Anesthesiology, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Yaxin Jiang
- Out-patient Department, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Guangdi Liu
- Department of Respiratory and Critical Care Medicine, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
| | - Jing Chen
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan Province, China
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Shi Q, Song F, Zhou X, Chen X, Cao J, Na J, Fan Y, Zhang G, Zheng L. Early Predicting Osteogenic Differentiation of Mesenchymal Stem Cells Based on Deep Learning Within One Day. Ann Biomed Eng 2024; 52:1706-1718. [PMID: 38488988 DOI: 10.1007/s10439-024-03483-3] [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: 11/03/2023] [Accepted: 02/24/2024] [Indexed: 03/17/2024]
Abstract
Osteogenic differentiation of mesenchymal stem cells (MSCs) is proposed to be critical for bone tissue engineering and regenerative medicine. However, the current approach for evaluating osteogenic differentiation mainly involves immunohistochemical staining of specific markers which often can be detected at day 5-7 of osteogenic inducing. Deep learning (DL) is a significant technology for realizing artificial intelligence (AI). Computer vision, a branch of AI, has been proved to achieve high-precision image recognition using convolutional neural networks (CNNs). Our goal was to train CNNs to quantitatively measure the osteogenic differentiation of MSCs. To this end, bright-field images of MSCs during early osteogenic differentiation (day 0, 1, 3, 5, and 7) were captured using a simple optical phase contrast microscope to train CNNs. The results showed that the CNNs could be trained to recognize undifferentiated cells and differentiating cells with an accuracy of 0.961 on the independent test set. In addition, we found that CNNs successfully distinguished differentiated cells at a very early stage (only 1 day). Further analysis showed that overall morphological features of MSCs were the main basis for the CNN classification. In conclusion, MSCs differentiation detection can be achieved early and accurately through simple bright-field images and DL networks, which may also provide a potential and novel method for the field of cell detection in the near future.
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Affiliation(s)
- Qiusheng Shi
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China
| | - Fan Song
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China
| | - Xiaocheng Zhou
- Department of Statistics, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR, China
| | - Xinyuan Chen
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China
| | - Jingqi Cao
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China
| | - Jing Na
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China
| | - Yubo Fan
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China.
| | - Guanglei Zhang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China.
| | - Lisha Zheng
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, China.
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Kim BS, Kim JU, Lee J, Ryu KM, Kim SH, Hwang NS. Decellularized brain extracellular matrix based NGF-releasing cryogel for brain tissue engineering in traumatic brain injury. J Control Release 2024; 368:140-156. [PMID: 38373473 DOI: 10.1016/j.jconrel.2024.02.017] [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: 11/13/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 02/21/2024]
Abstract
Traumatic brain injuries(TBI) pose significant challenges to human health, specifically neurological disorders and related motor activities. After TBI, the injured neuronal tissue is known for hardly regenerated and recovered to their normal neuron physiology and tissue compositions. For this reason, tissue engineering strategies that promote neuronal regeneration have gained increasing attention. This study explored the development of a novel neural tissue regeneration cryogel by combining brain-derived decellularized extracellular matrix (ECM) with heparin sulfate crosslinking that can perform nerve growth factor (NGF) release ability. Morphological and mechanical characterizations of the cryogels were performed to assess their suitability as a neural regeneration platform. After that, the heparin concnentration dependent effects of varying NGF concentrations on cryogel were investigated for their controlled release and impact on neuronal cell differentiation. The results revealed a direct correlation between the concentration of released NGF and the heparin sulfate ratio in cryogel, indicating that the cryogel can be tailored to carry higher loads of NGF with heparin concentration in cryogel that induced higher neuronal cell differentiation ratio. Furthermore, the study evaluated the NGF loaded cryogels on neuronal cell proliferation and brain tissue regeneration in vivo. The in vivo results suggested that the NGF loaded brain ECM derived cryogel significantly affects the regeneration of brain tissue. Overall, this research contributes to the development of advanced neural tissue engineering strategies and provides valuable insights into the design of regenerative cryogels that can be customized for specific therapeutic applications.
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Affiliation(s)
- Beom-Seok Kim
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Jeong-Uk Kim
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaewoo Lee
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyung Min Ryu
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Su-Hwan Kim
- Department of Chemical Engineering (BK21 FOUR), Dong-A University, Busan 49315, Republic of Korea
| | - Nathaniel S Hwang
- Interdisciplinary Program in Bioengineering, Seoul National University, Seoul 08826, Republic of Korea; School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea; Bio-MAX Institute, Institute of Bio-Engineering, Seoul National University, Seoul 08826, Republic of Korea; Institute of Engineering Research, Seoul National University, Seoul 08826, Republic of Korea.
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Zheng LX, Yu Q, Li Q, Zheng CD. Targeted local anesthesia: a novel slow-release Fe 3O 4-lidocaine-PLGA microsphere endowed with a magnetic targeting function. J Anesth 2024; 38:232-243. [PMID: 38310577 DOI: 10.1007/s00540-023-03305-1] [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: 06/28/2023] [Accepted: 12/25/2023] [Indexed: 02/06/2024]
Abstract
PURPOSE Lidocaine microspheres can prolong the analgesic time to 24-48 h, which still cannot meet the need of postoperative analgesia lasting more than 3 days. Therefore, we added Fe3O4 to the lidocaine microspheres and used an applied magnetic field to attract Fe3O4 to fix the microspheres around the target nerves, reducing the diffusion of magnetic lidocaine microspheres to the surrounding tissues and prolonging the analgesic time. METHODS Fe3O4-lidocaine-PLGA microspheres were prepared by the complex-emulsion volatilization method to characterize and study the release properties in vitro. The neural anchoring properties and in vivo morphology of the drug were obtained by magnetic resonance imaging. The nerve blocking effect and analgesic effect of magnetic lidocaine microspheres were evaluated by animal experiments. RESULTS The mean diameter of magnetically responsive lidocaine microspheres: 9.04 ± 3.23 μm. The encapsulation and drug loading of the microspheres were 46.18 ± 3.26% and 6.02 ± 1.87%, respectively. Magnetic resonance imaging showed good imaging of Fe3O4-Lidocain-PLGA microspheres, a drug-carrying model that slowed down the diffusion of the microspheres in the presence of an applied magnetic field. Animal experiments demonstrated that this preparation had a significantly prolonged nerve block, analgesic effect, and a nerve anchoring function. CONCLUSION Magnetically responsive lidocaine microspheres can prolong analgesia by slowly releasing lidocaine, which can be immobilized around the nerve by a magnetic field on the body surface, avoiding premature diffusion of the microspheres to surrounding tissues and improving drug targeting.
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Affiliation(s)
- Ling-Xi Zheng
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China
| | - Qian Yu
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China
| | - Qiang Li
- Department of Anesthesiology, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, 19 Yangshi Street, Qingyang District, Chengdu, 610031, Sichuan, China
| | - Chuan-Dong Zheng
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, 610031, Sichuan, China.
- Department of Anesthesiology, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, 19 Yangshi Street, Qingyang District, Chengdu, 610031, Sichuan, China.
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Ren X, Tsuji H, Uchino T, Kono I, Isoshima T, Okamoto A, Nagaoka N, Ozaki T, Matsukawa A, Miyatake H, Ito Y. An osteoinductive surface by adhesive bone morphogenetic protein-2 prepared using the bioorthogonal approach for tight binding of titanium with bone. J Mater Chem B 2024; 12:3006-3014. [PMID: 38451210 DOI: 10.1039/d3tb02838k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Inorganic biomaterials are used in various orthopedic and dental implants. Nevertheless, they cause clinical issues such as loosening of implants and patient morbidity. Therefore, inspired by mussel adhesive proteins, we aimed to design an adhesive and dimer-forming highly active bone morphogenetic protein-2 (BMP-2) using bioorthogonal chemistry, in which recombinant DNA technology was combined with enzymatic modifications, to achieve long-term osseointegration with titanium. The prepared BMP-2 exhibited substantially higher binding activity than wild-type BMP-2, while the adhered BMP-2 was more active than soluble BMP-2. Therefore, the adhesive BMP-2 was immobilized onto titanium wires and screws and implanted into rat bones, and long-term osteogenesis was evaluated. Adhesive BMP-2 promoted the mechanical binding of titanium to bones, enabling efficient bone regeneration and effective stabilization of implants. Thus, such adhesive biosignaling proteins can be used in regenerative medicine.
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Affiliation(s)
- Xueli Ren
- Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
- Department of Advanced Interdisciplinary Studies, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Hironori Tsuji
- Department of Orthopaedic Surgery, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata, Okayama 700-8558, Japan
| | - Takahiko Uchino
- Department of Orthopaedic Surgery, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata, Okayama 700-8558, Japan
| | - Izumi Kono
- Emergent Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Takashi Isoshima
- Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
| | - Akimitsu Okamoto
- Department of Advanced Interdisciplinary Studies, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Noriyuki Nagaoka
- Advanced Research Center for Oral & Craniofacial Sciences, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata, Okayama 700-8558, Japan
| | - Toshifumi Ozaki
- Department of Orthopaedic Surgery, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata, Okayama 700-8558, Japan
| | - Akihiro Matsukawa
- Department of Pathology and Experimental Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata, Okayama 700-8558, Japan
| | - Hideyuki Miyatake
- Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
| | - Yoshihiro Ito
- Nano Medical Engineering Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.
- Emergent Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
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Yang Z, You Y, Liu X, Wan Q, Xu Z, Shuai Y, Wang J, Guo T, Hu J, Lv J, Zhang M, Yang M, Mao C, Yang S. Injectable Bombyx mori (B. mori) silk fibroin/MXene conductive hydrogel for electrically stimulating neural stem cells into neurons for treating brain damage. J Nanobiotechnology 2024; 22:111. [PMID: 38486273 PMCID: PMC10941401 DOI: 10.1186/s12951-024-02359-x] [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: 12/29/2023] [Accepted: 02/20/2024] [Indexed: 03/17/2024] Open
Abstract
Brain damage is a common tissue damage caused by trauma or diseases, which can be life-threatening. Stem cell implantation is an emerging strategy treating brain damage. The stem cell is commonly embedded in a matrix material for implantation, which protects stem cell and induces cell differentiation. Cell differentiation induction by this material is decisive in the effectiveness of this treatment strategy. In this work, we present an injectable fibroin/MXene conductive hydrogel as stem cell carrier, which further enables in-vivo electrical stimulation upon stem cells implanted into damaged brain tissue. Cell differentiation characterization of stem cell showed high effectiveness of electrical stimulation in this system, which is comparable to pure conductive membrane. Axon growth density of the newly differentiated neurons increased by 290% and axon length by 320%. In addition, unfavored astrocyte differentiation is minimized. The therapeutic effect of this system is proved through traumatic brain injury model on rats. Combined with in vivo electrical stimulation, cavities formation is reduced after traumatic brain injury, and rat motor function recovery is significantly promoted.
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Affiliation(s)
- Zhangze Yang
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Yuxin You
- Institute of Biotechnology, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Xiangyu Liu
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, China
| | - Quan Wan
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Zongpu Xu
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Yajun Shuai
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Jie Wang
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Tingbiao Guo
- Centre for Optical and Electromagnetic Research National Engineering Research Center for Optical Instruments Zhejiang University, Hangzhou, 310058, China
| | - Jiaqi Hu
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Junhui Lv
- Department of Neurosurgery, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Meng Zhang
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China
| | - Mingying Yang
- Institute of Applied Bioresource Research, College of Animal Science, Key Laboratory of Silkworm and Bee Resource Utilization and Innovation of Zhejiang Province, Hangzhou, 310058, Zhejiang, China.
| | - Chuanbin Mao
- School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, China.
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR.
| | - Shuxu Yang
- Department of Neurosurgery, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China.
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Tu Y, Han D, Liu Y, Hong D, Chen R. Nicorandil attenuates cognitive impairment after traumatic brain injury via inhibiting oxidative stress and inflammation: Involvement of BDNF and NGF. Brain Behav 2024; 14:e3356. [PMID: 38376046 PMCID: PMC10757892 DOI: 10.1002/brb3.3356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 11/26/2023] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND AND PURPOSE Cognitive impairment is a prevalent adverse consequence of traumatic brain injury (TBI). The neuroprotective effects of nicorandil (N-(2-hydroxyethyl)-nicotinamide nitrate) has been previously documented, yet its protective effects against cognitive dysfunction post-TBI remain unclear. Hence, the present study was aimed to evaluate whether nicorandil attenuates cognitive dysfunction in TBI rats and the underlying mechanism behind this process. METHODS The TBI model was established with a controlled cortical impact (CCI). The effects of nicorandil on cognitive dysfunction of rats with TBI were examined through Novel object recognition (NOR) test, Y-maze test, and Morris water maze (MWM) task. After behavioral tests, hippocampal tissue was collected for Quantitative real-time PCR, Western blot analysis, and Enzyme-linked immunosorbent assay (ELISA) assay. RESULTS We observed that nicorandil administration effectively ameliorates learning and memory impairment in TBI rats. Alongside, nicorandil treatment attenuated oxidative stress in the hippocampus of TBI rats, characterized by the decreased reactive oxygen species generation, malondialdehyde, and protein carbonyls levels, and concurrent promotion of antioxidant-related factors (including superoxide dismutase, glutathione peroxidase, and catalase) activities. Additionally, nicorandil treatment attenuated the inflammatory response in the hippocampus of TBI rat, as evidenced by the upregulated levels of interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α), as well as the downregulated level of IL-10. Mechanistically, nicorandil treatment significantly enhanced the mRNA and protein levels of neurotrophic factors, brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) in the hippocampus of TBI rats. CONCLUSION These findings suggest that nicorandil mitigates cognitive impairment after TBI by suppressing oxidative stress and inflammation, potentially through enhancing BDNF and NGF levels.
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Affiliation(s)
- Yaoyan Tu
- Department of Emergency and Trauma CenterNanchang First HospitalNanchangJiangxiChina
| | - Desen Han
- Department of Emergency and Trauma CenterNanchang First HospitalNanchangJiangxiChina
| | - Yanjun Liu
- Department of Emergency and Trauma CenterNanchang First HospitalNanchangJiangxiChina
| | - Dequan Hong
- Department of Emergency and Trauma CenterNanchang First HospitalNanchangJiangxiChina
| | - Rehua Chen
- Department of Emergency and Trauma CenterNanchang First HospitalNanchangJiangxiChina
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Wang D, Wang S, Zhu Q, Shen Z, Yang G, Chen Y, Luo C, Du Y, Hu Y, Wang W, Yang J. Prospects for Nerve Regeneration and Gene Therapy in the Treatment of Traumatic Brain Injury. J Mol Neurosci 2023; 73:578-586. [PMID: 37458921 DOI: 10.1007/s12031-023-02144-9] [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: 05/26/2023] [Accepted: 07/12/2023] [Indexed: 09/24/2023]
Abstract
Traumatic brain injury (TBI) is a prevalent neurological disorder and a leading cause of death and disability worldwide. The high mortality rates result in a tremendous burden on society and families in terms of public health and economic costs. Despite advances in biomedical research, treatment options for TBI still remain limited, and there is no effective therapy to restore the structure and function of the injured brain. Regrettably, due to the excessive heterogeneity of TBI and the lack of objective and reliable efficacy evaluation indicators, no proven therapeutic drugs or drugs with clear benefits on functional outcomes have been successfully developed to date. Therefore, it is urgent to explore new therapeutic approaches to protect or regenerate the injured brain from different perspectives. In this review, we first provide a brief overview of the causes and current status of TBI and then summarize the preclinical and clinical research status of cutting-edge treatment methods, including nerve regeneration therapy and gene therapy, with the aim of providing valuable references for effective therapeutic strategies for TBI.
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Affiliation(s)
- Daliang Wang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Shengguo Wang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Qunchao Zhu
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Zhe Shen
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Guohuan Yang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Yanfei Chen
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Chen Luo
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Yanglin Du
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Yelang Hu
- Biological Medicine Research and Development Center, Yangtze Delta of Zhejiang, Hangzhou, 314006, Zhejiang, China
| | - Wenmin Wang
- Biological Medicine Research and Development Center, Yangtze Delta of Zhejiang, Hangzhou, 314006, Zhejiang, China
| | - Jie Yang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China.
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Manni L, Leotta E, Mollica I, Serafino A, Pignataro A, Salvatori I, Conti G, Chiaretti A, Soligo M. Acute intranasal treatment with nerve growth factor limits the onset of traumatic brain injury in young rats. Br J Pharmacol 2023. [PMID: 36780920 DOI: 10.1111/bph.16056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/15/2023] Open
Abstract
BACKGROUND AND PURPOSE Traumatic brain injury (TBI) comprises a primary injury directly induced by impact, which progresses into a secondary injury leading to neuroinflammation, reactive astrogliosis, and cognitive and motor damage. To date, treatment of TBI consists solely of palliative therapies that do not prevent and/or limit the outcomes of secondary damage and only stabilize the deficits. The neurotrophin, nerve growth factor (NGF), delivered to the brain parenchyma following intranasal application, could be a useful means of limiting or improving the outcomes of the secondary injury, as suggested by pre-clinical and clinical data. EXPERIMENTAL APPROACH We evaluated the effect of acute intranasal treatment of young (20-postnatal day) rats, with NGF in a TBI model (weight drop/close head), aggravated by hypoxic complications. Immediately after the trauma, rats were intranasally treated with human recombinant NGF (50 μg·kg-1 ), and motor behavioural test, morphometric and biochemical assays were carried out 24 h later. KEY RESULTS Acute intranasal NGF prevented the onset of TBI-induced motor disabilities, and decreased reactive astrogliosis, microglial activation and IL-1β content, which after TBI develops to the same extent in the impact zone and the hypothalamus. CONCLUSION AND IMPLICATIONS Intranasal application of NGF was effective in decreasing the motor dysfunction and neuroinflammation in the brain of young rats in our model of TBI. This work forms an initial pre-clinical evaluation of the potential of early intranasal NGF treatment in preventing and limiting the disabling outcomes of TBI, a clinical condition that remains one of the unsolved problems of paediatric neurology.
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Affiliation(s)
- Luigi Manni
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome, Italy
| | - Eleonora Leotta
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome, Italy
| | - Ilia Mollica
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome, Italy
| | - Annalucia Serafino
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome, Italy
| | - Annabella Pignataro
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome, Italy.,IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Illari Salvatori
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Experimental Medicine, Faculty of Medicine, University of Rome 'La Sapienza', Rome, Italy
| | - Giorgio Conti
- Intensive Pediatric Therapy and Pediatric Trauma Center, Department of Emergency, Anesthesiological and Reanimation Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Antonio Chiaretti
- Institute of Pediatrics, Department of Woman and Child Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Marzia Soligo
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome, Italy
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10
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Hu H, Chen X, Zhao K, Zheng W, Gao C. Recent Advances in Biomaterials-Based Therapies for Alleviation and Regeneration of Traumatic Brain Injury. Macromol Biosci 2023; 23:e2200577. [PMID: 36758541 DOI: 10.1002/mabi.202200577] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/27/2023] [Indexed: 02/11/2023]
Abstract
Traumatic brain injury (TBI), a major public health problem accompanied with numerous complications, usually leads to serve disability and huge financial burden. The adverse and unfavorable pathological environment triggers a series of secondary injuries, resulting in serious loss of nerve function and huge obstacle of endogenous nerve regeneration. With the advances in adaptive tissue regeneration biomaterials, regulation of detrimental microenvironment to reduce the secondary injury and to promote the neurogenesis becomes possible. The adaptive biomaterials could respond and regulate biochemical, cellular, and physiological events in the secondary injury, including excitotoxicity, oxidative stress, and neuroinflammation, to rebuild circumstances suitable for regeneration. In this review, the development of pathology after TBI is discussed, followed by the introduction of adaptive biomaterials based on various pathological characteristics. The adaptive biomaterials carried with neurotrophic factors and stem cells for TBI treatment are then summarized. Finally, the current drawbacks and future perspective of biomaterials for TBI treatment are suggested.
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Affiliation(s)
- Haijun Hu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xiping Chen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Kefei Zhao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Weiwei Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China.,Center for Healthcare Materials, Shaoxing Institute, Zhejiang University, Shaoxing, 312099, China
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11
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Liu T, Zhu W, Zhang X, He C, Liu X, Xin Q, Chen K, Wang H. Recent Advances in Cell and Functional Biomaterial Treatment for Spinal Cord Injury. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5079153. [PMID: 35978649 PMCID: PMC9377911 DOI: 10.1155/2022/5079153] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/17/2022] [Accepted: 07/25/2022] [Indexed: 12/17/2022]
Abstract
Spinal cord injury (SCI) is a devastating central nervous system disease caused by accidental events, resulting in loss of sensory and motor function. Considering the multiple effects of primary and secondary injuries after spinal cord injury, including oxidative stress, tissue apoptosis, inflammatory response, and neuronal autophagy, it is crucial to understand the underlying pathophysiological mechanisms, local microenvironment changes, and neural tissue functional recovery for preparing novel treatment strategies. Treatment based on cell transplantation has become the forefront of spinal cord injury therapy. The transplanted cells provide physical and nutritional support for the damaged tissue. At the same time, the implantation of biomaterials with specific biological functions at the site of the SCI has also been proved to improve the local inhibitory microenvironment and promote axonal regeneration, etc. The combined transplantation of cells and functional biomaterials for SCI treatment can result in greater neuroprotective and regenerative effects by regulating cell differentiation, enhancing cell survival, and providing physical and directional support for axon regeneration and neural circuit remodeling. This article reviews the pathophysiology of the spinal cord, changes in the microenvironment after injury, and the mechanisms and strategies for spinal cord regeneration and repair. The article will focus on summarizing and discussing the latest intervention models based on cell and functional biomaterial transplantation and the latest progress in combinational therapies in SCI repair. Finally, we propose the future prospects and challenges of current treatment regimens for SCI repair, to provide references for scientists and clinicians to seek better SCI repair strategies in the future.
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Affiliation(s)
- Tianyi Liu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Wenhao Zhu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Xiaoyu Zhang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Chuan He
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Xiaolong Liu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Qiang Xin
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Kexin Chen
- Institute of Translational Medicine, First Hospital of Jilin University, Changchun 130021, China
| | - Haifeng Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
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