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Yang Y, Rao C, Yin T, Wang S, Shi H, Yan X, Zhang L, Meng X, Gu W, Du Y, Hong F. Application and underlying mechanism of acupuncture for the nerve repair after peripheral nerve injury: remodeling of nerve system. Front Cell Neurosci 2023; 17:1253438. [PMID: 37941605 PMCID: PMC10627933 DOI: 10.3389/fncel.2023.1253438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 10/09/2023] [Indexed: 11/10/2023] Open
Abstract
Peripheral nerve injury (PNI) is a structural event with harmful consequences worldwide. Due to the limited intrinsic regenerative capacity of the peripheral nerve in adults, neural restoration after PNI is difficult. Neurological remodeling has a crucial effect on the repair of the form and function during the regeneration of the peripheral nerve after the peripheral nerve is injured. Several studies have demonstrated that acupuncture is effective for PNI-induced neurologic deficits, and the potential mechanisms responsible for its effects involve the nervous system remodeling in the process of nerve repair. Moreover, acupuncture promotes neural regeneration and axon sprouting by activating related neurotrophins retrograde transport, such as nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), glial cell-derived neurotrophic factor (GDNF), N-cadherin, and MicroRNAs. Peripheral nerve injury enhances the perceptual response of the central nervous system to pain, causing central sensitization and accelerating neuronal cell apoptosis. Together with this, the remodeling of synaptic transmission function would worsen pain discomfort. Neuroimaging studies have shown remodeling changes in both gray and white matter after peripheral nerve injury. Acupuncture not only reverses the poor remodeling of the nervous system but also stimulates the release of neurotrophic substances such as nerve growth factors in the nervous system to ameliorate pain and promote the regeneration and repair of nerve fibers. In conclusion, the neurological remodeling at the peripheral and central levels in the process of acupuncture treatment accelerates nerve regeneration and repair. These findings provide novel insights enabling the clinical application of acupuncture in the treatment of PNI.
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Affiliation(s)
- Yongke Yang
- Beilun District People’s Hospital, Ningbo, China
| | - Chang Rao
- Tianjin Union Medical Center, Tianjin, China
| | - Tianlong Yin
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shaokang Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Huiyan Shi
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Xin Yan
- National Anti-Drug Laboratory Beijing Regional Center, Beijing, China
| | - Lili Zhang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xianggang Meng
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Wenlong Gu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuzheng Du
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Feng Hong
- Beilun District People’s Hospital, Ningbo, China
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Horníček J, Olšák P, Kolář P, Kolářová B. Perspectives of Electroacupuncture as a New Option for the Treatment of Denervated Muscles. Med Acupunct 2023; 35:107-110. [PMID: 37351450 PMCID: PMC10282816 DOI: 10.1089/acu.2022.0021] [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: 06/24/2023] Open
Abstract
Introduction Conservative treatment of peripheral nerve injuries is based on physical therapy approaches, including electrostimulation of denervated muscle. Electrostimulation retards denervation atrophy and prolongs the time window for axon reinnervation. Aim This article focuses on the potential of electroacupuncture, which combines electrostimulation with acupuncture, in the context of the latest knowledge on the mechanisms of axonal regeneration. Results and conclusions The possibilities of influencing the growth rate of the axon itself through neurotrophic factors have primarily been previously proven in rodent models. Electroacupuncture as mini-invasive electrostimulation using acupuncture needles appears to be a promising option for the treatment of peripheral nerve paresis. However, this therapy needs to be evaluated in the context of human medicine.
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Affiliation(s)
- Jiří Horníček
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Olomouc, Czech Republic
- Rehabilitation Department, University Hospital Olomouc, Olomouc, Czech Republic
| | - Peter Olšák
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Olomouc, Czech Republic
| | - Petr Kolář
- Rehabilitation Department, University Hospital Olomouc, Olomouc, Czech Republic
| | - Barbora Kolářová
- Rehabilitation Department, University Hospital Olomouc, Olomouc, Czech Republic
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Gu XS, Ming D, Chu XL, Song XZ, Li YR, Wu ZR, Li Q, Li QW. An ultrasound-guided percutaneous electrical nerve stimulation regimen devised using finite element modeling promotes functional recovery after median nerve transection. Neural Regen Res 2023; 18:683-688. [DOI: 10.4103/1673-5374.350215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Rao JS, Zhao C, Wei RH, Feng T, Bao SS, Zhao W, Tian Z, Liu Z, Yang ZY, Li XG. Neural regeneration therapy after spinal cord injury induces unique brain functional reorganizations in rhesus monkeys. Ann Med 2022; 54:1867-1883. [PMID: 35792748 PMCID: PMC9272921 DOI: 10.1080/07853890.2022.2089728] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
PURPOSE Spinal cord injury (SCI) destroys the sensorimotor pathway and induces brain plasticity. However, the effect of treatment-induced spinal cord tissue regeneration on brain functional reorganization remains unclear. This study was designed to investigate the large-scale functional interactions in the brains of adult female Rhesus monkeys with injured and regenerated thoracic spinal cord. MATERIALS AND METHODS Resting-state functional magnetic resonance imaging (fMRI) combined with Granger Causality analysis (GCA) and motor behaviour analysis were used to assess the causal interaction between sensorimotor cortices, and calculate the relationship between causal interaction and hindlimb stepping in nine Rhesus monkeys undergoing lesion-induced spontaneous recovery (injured, n = 4) and neurotrophin-3/chitosan transplantation-induced regeneration (NT3-chitosan, n = 5) after SCI. RESULTS The results showed that the injured and NT3-chitosan-treated animals had distinct spatiotemporal features of brain functional reorganization. The spontaneous recovery followed the model of "early intra-hemispheric reorganization dominant, late inter-hemispheric reorganization dominant", whereas regenerative therapy animals showed the opposite trend. Although the variation degree of information flow intensity was consistent, the tendency and the relationship between local neuronal activity properties and coupling strength were different between the two groups. In addition, the injured and NT3-chitosan-treated animals had similar motor adjustments but various relationship modes between motor performance and information flow intensity. CONCLUSIONS Our findings show that brain functional reorganization induced by regeneration therapy differed from spontaneous recovery after SCI. The influence of unique changes in brain plasticity on the therapeutic effects of future regeneration therapy strategies should be considered. Key messagesNeural regeneration elicited a unique spatiotemporal mode of brain functional reorganization in the spinal cord injured monkeys, and that regeneration does not simply reverse the process of brain plasticity induced by spinal cord injury (SCI).Independent "properties of local activity - intensity of information flow" relationships between the injured and treated animals indicating that spontaneous recovery and regenerative therapy exerted different effects on the reorganization of the motor network after SCI.A specific information flow from the left thalamus to the right insular can serve as an indicator to reflect a heterogeneous "information flow - motor performance" relationship between injured and treated animals at similar motor adjustments.
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Affiliation(s)
- Jia-Sheng Rao
- School of Biological Science and Medical Engineering, Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, PR China
| | - Can Zhao
- Institute of Rehabilitation Engineering, China Rehabilitation Science Institute, Beijing, PR China
| | - Rui-Han Wei
- School of Biological Science and Medical Engineering, Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, PR China
| | - Ting Feng
- School of Biological Science and Medical Engineering, Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, PR China
| | - Shu-Sheng Bao
- School of Biological Science and Medical Engineering, Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, PR China
| | - Wen Zhao
- Department of Neurobiology, School of Basic Medical Sciences, Capital Medical University, Beijing, PR China
| | - Zhaolong Tian
- Department of Anesthesiology, Xuanwu Hospital Capital Medical University, Beijing, PR China
| | - Zuxiang Liu
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing, PR China.,Hefei Comprehensive National Science Center, Institute of Artificial Intelligence, Hefei, PR China.,Department of Biology, College of Life Sciences, University of Chinese Academy of Sciences, Beijing, PR China
| | - Zhao-Yang Yang
- Department of Neurobiology, School of Basic Medical Sciences, Capital Medical University, Beijing, PR China
| | - Xiao-Guang Li
- School of Biological Science and Medical Engineering, Beijing Key Laboratory for Biomaterials and Neural Regeneration, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, PR China
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Domínguez-Oliva A, Mota-Rojas D, Hernández-Avalos I, Mora-Medina P, Olmos-Hernández A, Verduzco-Mendoza A, Casas-Alvarado A, Whittaker AL. The neurobiology of pain and facial movements in rodents: Clinical applications and current research. Front Vet Sci 2022; 9:1016720. [PMID: 36246319 PMCID: PMC9556725 DOI: 10.3389/fvets.2022.1016720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/12/2022] [Indexed: 11/30/2022] Open
Abstract
One of the most controversial aspects of the use of animals in science is the production of pain. Pain is a central ethical concern. The activation of neural pathways involved in the pain response has physiological, endocrine, and behavioral consequences, that can affect both the health and welfare of the animals, as well as the validity of research. The strategy to prevent these consequences requires understanding of the nociception process, pain itself, and how assessment can be performed using validated, non-invasive methods. The study of facial expressions related to pain has undergone considerable study with the finding that certain movements of the facial muscles (called facial action units) are associated with the presence and intensity of pain. This review, focused on rodents, discusses the neurobiology of facial expressions, clinical applications, and current research designed to better understand pain and the nociceptive pathway as a strategy for implementing refinement in biomedical research.
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Affiliation(s)
- Adriana Domínguez-Oliva
- Master in Science Program “Maestría en Ciencias Agropecuarias”, Universidad Autónoma Metropolitana, Mexico City, Mexico
| | - Daniel Mota-Rojas
- Neurophysiology, Behavior and Animal Welfare Assesment, DPAA, Universidad Autónoma Metropolitana, Mexico City, Mexico
- *Correspondence: Daniel Mota-Rojas
| | - Ismael Hernández-Avalos
- Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Cuautitlán Izcalli, Mexico
| | - Patricia Mora-Medina
- Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Cuautitlán Izcalli, Mexico
| | - Adriana Olmos-Hernández
- Division of Biotechnology-Bioterio and Experimental Surgery, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
| | - Antonio Verduzco-Mendoza
- Division of Biotechnology-Bioterio and Experimental Surgery, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City, Mexico
| | - Alejandro Casas-Alvarado
- Neurophysiology, Behavior and Animal Welfare Assesment, DPAA, Universidad Autónoma Metropolitana, Mexico City, Mexico
| | - Alexandra L. Whittaker
- School of Animal and Veterinary Sciences, The University of Adelaide, Roseworthy, SA, Australia
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Proteomics reveals the key molecules involved in curcumin-induced protection against sciatic nerve injury in rats. Neuroscience 2022; 501:11-24. [PMID: 35870565 DOI: 10.1016/j.neuroscience.2022.05.003] [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: 08/11/2021] [Revised: 05/02/2022] [Accepted: 05/05/2022] [Indexed: 11/23/2022]
Abstract
We generated a rat model of sciatic nerve crush injury and characterized the effects of curcumin on sciatic nerve recovery by using behavioral experiments, hematoxylin-eosin staining, toluidine blue staining, and immunohistochemical. Proteomic analysis using tandem mass tagging was performed to determine differentially expressed proteins (DEPs), and GO and KEGG pathway analyses of overlapping DEPs was conducted, following which, qPCR, western blotting, and immunofluorescence were further performed to validate the proteins of interest. Finally, a Schwann cell injury model was used to verify the effect of curcumin on potential targets. The rat model was successful established and curcumin improved the sciatic nerve function index of rats with sciatic nerve injury (SNI) and increased the number and diameter of myelinated axons in the sciatic nerve. In the Sham group versus the Injured group and in the Injured group versus the Curcumin group, we identified a total of 4,175 proteins, of which 953 were DEPs, and 218 were known overlapping DEPs. Ten associated pathways, such as calcium signaling pathway, biosynthesis of antibiotics, and long-term potentiation, were identified. The 218 overlapping DEPs were primarily involved in negative regulation of apoptotic process, biological processes, cytoplasm cellular component, and protein binding molecular function based on GO annotation. Curcumin promoted increased expression of ApoD and inhibited the expression of Cyba in vivo and in vitro. These results indicated that curcumin promoted sciatic nerve repair through regulation of various proteins, targets, and pathways. Cyba and ApoD may be potential targets of curcumin in the treatment of SNI.
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Neuroplasticity of Acupuncture for Stroke: An Evidence-Based Review of MRI. Neural Plast 2021; 2021:2662585. [PMID: 34456996 PMCID: PMC8397547 DOI: 10.1155/2021/2662585] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/06/2021] [Accepted: 08/02/2021] [Indexed: 02/07/2023] Open
Abstract
Acupuncture is widely recognized as a potentially effective treatment for stroke rehabilitation. Researchers in this area are actively investigating its therapeutic mechanisms. Magnetic resonance imaging (MRI), as a noninvasive, high anatomical resolution technique, has been employed to investigate neuroplasticity on acupuncture in stroke patients from a system level. However, there is no review on the mechanism of acupuncture treatment for stroke based on MRI. Therefore, we aim to summarize the current evidence about this aspect and provide useful information for future research. After searching PubMed, Web of Science, and Embase databases, 24 human and five animal studies were identified. This review focuses on the evidence on the possible mechanisms underlying mechanisms of acupuncture therapy in treating stroke by regulating brain plasticity. We found that acupuncture reorganizes not only motor-related network, including primary motor cortex (M1), premotor cortex, supplementary motor area (SMA), frontoparietal network (LFPN and RFPN), and sensorimotor network (SMN), as well as default mode network (aDMN and pDMN), but also language-related brain areas including inferior frontal gyrus frontal, temporal, parietal, and occipital lobes, as well as cognition-related brain regions. In addition, acupuncture therapy can modulate the function and structural plasticity of post-stroke, which may be linked to the mechanism effect of acupuncture.
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Machine Learning in Neuroimaging: A New Approach to Understand Acupuncture for Neuroplasticity. Neural Plast 2020; 2020:8871712. [PMID: 32908491 PMCID: PMC7463415 DOI: 10.1155/2020/8871712] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/02/2020] [Accepted: 08/08/2020] [Indexed: 12/13/2022] Open
Abstract
The effects of acupuncture facilitating neural plasticity for treating diseases have been identified by clinical and experimental studies. In the last two decades, the application of neuroimaging techniques in acupuncture research provided visualized evidence for acupuncture promoting neuroplasticity. Recently, the integration of machine learning (ML) and neuroimaging techniques becomes a focus in neuroscience and brings a new and promising approach to understand the facilitation of acupuncture on neuroplasticity at the individual level. This review is aimed at providing an overview of this rapidly growing field by introducing the commonly used ML algorithms in neuroimaging studies briefly and analyzing the characteristics of the acupuncture studies based on ML and neuroimaging, so as to provide references for future research.
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