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Ruan Y, Cheng J, Dai J, Ma Z, Luo S, Yan R, Wang L, Zhou J, Yu B, Tong X, Shen H, Zhou L, Yuan TF, Han Q. Chronic stress hinders sensory axon regeneration via impairing mitochondrial cristae and OXPHOS. SCIENCE ADVANCES 2023; 9:eadh0183. [PMID: 37801508 PMCID: PMC10558127 DOI: 10.1126/sciadv.adh0183] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 09/05/2023] [Indexed: 10/08/2023]
Abstract
Spinal cord injury (SCI) often leads to physical limitations, persistent pain, and major lifestyle shifts, enhancing the likelihood of prolonged psychological stress and associated disorders such as anxiety and depression. The mechanisms linking stress with regeneration remain elusive, despite understanding the detrimental impact of chronic stress on SCI recovery. In this study, we investigated the effect of chronic stress on primary sensory axon regeneration using a preconditioning lesions mouse model. Our data revealed that chronic stress-induced mitochondrial cristae loss and a decrease in oxidative phosphorylation (OXPHOS) within primary sensory neurons, impeding central axon regrowth. Corticosterone, a stress hormone, emerged as a pivotal player in this process, affecting satellite glial cells by reducing Kir4.1 expression. This led to increased neuronal hyperactivity and reactive oxygen species levels, which, in turn, deformed mitochondrial cristae and impaired OXPHOS, crucial for axonal regeneration. Our study underscores the need to manage psychological stress in patients with SCI for effective sensory-motor rehabilitation.
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Affiliation(s)
- Yu Ruan
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Jin Cheng
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Jiafeng Dai
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Zhengwen Ma
- Department of Laboratory Animal Science, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shiyu Luo
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Run Yan
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Lizhao Wang
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Jinrui Zhou
- The Second Hospital of Jilin University, Changchun 130041, China
| | - Bin Yu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong 226001, China
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
| | - Xiaoping Tong
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Hongxing Shen
- Department of Spine Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Libing Zhou
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou 510632, China
| | - Ti-Fei Yuan
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, China
| | - Qi Han
- Songjiang Research Institute, Shanghai Songjiang District Central Hospital, Department of Anatomy and Physiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
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2
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Liu K, Ma W, Yang J, Liu W, Zhang S, Zhu K, Liu J, Xiang X, Wang G, Wu H, Guo J, Li L. Integrative Analysis Reveals the Expression Pattern of SOX9 in Satellite Glial Cells after Sciatic Nerve Injury. Brain Sci 2023; 13:brainsci13020281. [PMID: 36831824 PMCID: PMC9954651 DOI: 10.3390/brainsci13020281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 12/10/2022] [Accepted: 01/31/2023] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND Several complex cellular and gene regulatory processes are involved in peripheral nerve repair. This study uses bioinformatics to analyze the differentially expressed genes (DEGs) in the satellite glial cells of mice following sciatic nerve injury. METHODS R software screens differentially expressed genes, and the WebGestalt functional enrichment analysis tool conducts Gene Ontology (GO) enrichment and Kyoto Encyclopedia of Genes and Genomics (KEGG) pathway analysis. The Search Tool for the Retrieval of Interacting Genes/Proteins constructs protein interaction networks, and the cytoHubba plug-in in the Cytoscape software predicts core genes. Subsequently, the sciatic nerve injury model of mice was established and the dorsal root ganglion satellite glial cells were isolated and cultured. Satellite glial cells-related markers were verified by immunofluorescence staining. Real-time polymerase chain reaction assay and Western blotting assay were used to detect the mRNA and protein expression of Sox9 in satellite glial cells. RESULTS A total of 991 DEGs were screened, of which 383 were upregulated, and 508 were downregulated. The GO analysis revealed the processes of biosynthesis, negative regulation of cell development, PDZ domain binding, and other biological processes were enriched in DEGs. According to the KEGG pathway analysis, DEGs are primarily involved in steroid biosynthesis, hedgehog signaling pathway, terpenoid backbone biosynthesis, American lateral skeleton, and melanoma pathways. According to various cytoHubba algorithms, the common core genes in the protein-protein interaction network are Atf3, Mmp2, and Sox9. Among these, Sox9 was reported to be involved in the central nervous system and the generation and development of astrocytes and could mediate the transformation between neurogenic and glial cells. The experimental results showed that satellite glial cell marker GS were co-labeled with Sox9; stem cell characteristic markers Nestin and p75NTR were labeled satellite glial cells. The mRNA and protein expression of Sox9 in satellite glial cells were increased after sciatic nerve injury. CONCLUSIONS In this study, bioinformatics was used to analyze the DEGs of satellite glial cells after sciatic nerve injury, and transcription factors related to satellite glial cells were screened, among which Sox9 may be associated with the fate of satellite glial cells.
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Affiliation(s)
- Kuangpin Liu
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Wei Ma
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Jinwei Yang
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
- Second Department of General Surgery, First People’s Hospital of Yunnan Province, Kunming 650032, China
| | - Wei Liu
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Sijia Zhang
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Kewei Zhu
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Jie Liu
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Xianglin Xiang
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Guodong Wang
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Hongjie Wu
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
| | - Jianhui Guo
- Second Department of General Surgery, First People’s Hospital of Yunnan Province, Kunming 650032, China
| | - Liyan Li
- Institute of Neuroscience, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, China
- Correspondence: ; Tel.: +86-137-5940-6017
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Zhu Y, Peng N, Wang J, Jin Z, Zhu L, Wang Y, Chen S, Hu Y, Zhang T, Song Q, Xie F, Yan L, Li Y, Xiao J, Li X, Jiang B, Peng J, Wang Y, Luo Y. Peripheral nerve defects repaired with autogenous vein grafts filled with platelet-rich plasma and active nerve microtissues and evaluated by novel multimodal ultrasound techniques. Biomater Res 2022; 26:24. [PMID: 35690849 PMCID: PMC9188244 DOI: 10.1186/s40824-022-00264-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 04/28/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Developing biocompatible nerve conduits that accelerate peripheral nerve regeneration, lengthening and functional recovery remains a challenge. The combined application of nerve microtissues and platelet-rich plasma (PRP) provides abundant Schwann cells (SCs) and various natural growth factors and can compensate for the deficiency of SCs in the nerve bridge, as well as the limitations of applying a single type of growth factor. Multimodal ultrasound evaluation can provide additional information on the stiffness and microvascular flow perfusion of the tissue. This study was designed to investigate the effectiveness of a novel tissue-engineered nerve graft composed of an autogenous vein, nerve microtissues and PRP in reconstructing a 12-mm tibial nerve defect and to explore the value of multimodal ultrasound techniques in evaluating the prognosis of nerve repair. METHODS In vitro, nerve microtissue activity was first investigated, and the effects on SC proliferation, migration, factor secretion, and axonal regeneration of dorsal root ganglia (DRG) were evaluated by coculture with nerve microtissues and PRP. In vivo, seventy-five rabbits were equally and randomly divided into Hollow, PRP, Micro-T (Microtissues), Micro-T + PRP and Autograft groups. By analysing the neurological function, electrophysiological recovery, and the comparative results of multimodal ultrasound and histological evaluation, we investigated the effect of these new nerve grafts in repairing tibial nerve defects. RESULTS Our results showed that the combined application of nerve microtissues and PRP could significantly promote the proliferation, secretion and migration of SCs and the regeneration of axons in the early stage. The Micro-T + PRP group and Autograft groups exhibited the best nerve repair 12 weeks postoperatively. In addition, the changes in target tissue stiffness and microvascular perfusion on multimodal ultrasound (shear wave elastography; contrast-enhanced ultrasonography; Angio PlaneWave UltrasenSitive, AngioPLUS) were significantly correlated with the histological results, such as collagen area percentage and VEGF expression, respectively. CONCLUSION Our novel tissue-engineered nerve graft shows excellent efficacy in repairing 12-mm defects of the tibial nerve in rabbits. Moreover, multimodal ultrasound may provide a clinical reference for prognosis by quantitatively evaluating the stiffness and microvescular flow of nerve grafts and targeted muscles.
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Affiliation(s)
- Yaqiong Zhu
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China.,Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China.,Beijing Key Laboratory of Chronic Heart Failure Precision Medicine, Chinese PLA General Hospital, Beijing, China
| | - Nan Peng
- Department of Geriatric Rehabilitation, The Second Center of Chinese PLA General Hospital, Beijing, China
| | - Jing Wang
- Department of Orthopedic Surgery, The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui Province, China
| | - Zhuang Jin
- General hospital of Northern Theater Command, Liaoning, China
| | - Lianhua Zhu
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Yu Wang
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China
| | - Siming Chen
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Yongqiang Hu
- Department of Anesthesiology, JiangXi PingXiang People's Hospital, Jiangxi, China
| | - Tieyuan Zhang
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China
| | - Qing Song
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Fang Xie
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Lin Yan
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Yingying Li
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Jing Xiao
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Xinyang Li
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Bo Jiang
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China
| | - Jiang Peng
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China. .,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China.
| | - Yuexiang Wang
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China.
| | - Yukun Luo
- Departments of Ultrasound, The First Center of Chinese PLA General Hospital, Beijing, China.
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4
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Khaitin A. Calcium in Neuronal and Glial Response to Axotomy. Int J Mol Sci 2021; 22:ijms222413344. [PMID: 34948141 PMCID: PMC8706492 DOI: 10.3390/ijms222413344] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 11/16/2022] Open
Abstract
Neurotrauma assumes an instant or delayed disconnection of axons (axotomy), which affects not only neurons, but surrounding glia as well. Not only mechanically injured glia near the site of disconnection, especially transection, is subjected to the damage, but also glia that is remote from the lesion site. Glial cells, which surround the neuronal body, in turn, support neuron survival, so there is a mutual protection between neuron and glia. Calcium signaling is a central mediator of all post-axotomy events, both in neuron and glia, playing a critical role in their survival/regeneration or death/degeneration. The involvement of calcium in post-axotomy survival of the remote, mechanically intact glia is poorly studied. The purpose of this review is to sum up the calcium-involving mechanisms in responses of neurons and glial cells to axotomy to show their importance and to give some suggestions for future research of remote glia in this context.
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Affiliation(s)
- Andrey Khaitin
- Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia
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5
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Huang B, Zdora I, de Buhr N, Eikelberg D, Baumgärtner W, Leitzen E. Phenotypical changes of satellite glial cells in a murine model of G M1 -gangliosidosis. J Cell Mol Med 2021; 26:527-539. [PMID: 34877779 PMCID: PMC8743646 DOI: 10.1111/jcmm.17113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 11/12/2021] [Accepted: 11/25/2021] [Indexed: 12/14/2022] Open
Abstract
Satellite glial cells (SGCs) of dorsal root ganglia (DRG) react in response to various injuries in the nervous system. This study investigates reactive changes within SGCs in a murine model for GM1‐gangliosidosis (GM1). DRG of homozygous β‐galactosidase‐knockout mice and homozygous C57BL/6 wild‐type mice were investigated performing immunostaining on formalin‐fixed, paraffin‐embedded tissue. A marked upregulation of glial fibrillary acidic protein (GFAP), the progenitor marker nestin and Ki67 within SGCs of diseased mice, starting after 4 months at the earliest GFAP, along with intracytoplasmic accumulation of ganglioside within neurons and deterioration of clinical signs was identified. Interestingly, nestin‐positive SGCs were detected after 8 months only. No changes regarding inwardly rectifying potassium channel 4.1, 2, 3‐cyclic nucleotide 3‐phosphodiesterase, Sox2, doublecortin, periaxin and caspase3 were observed in SGCs. Iba1 was only detected in close vicinity of SGCs indicating infiltrating or tissue‐resident macrophages. These results indicate that SGCs of DRG show phenotypical changes during the course of GM1, characterized by GFAP upregulation, proliferation and expression of a neural progenitor marker at a late time point. This points towards an important role of SGCs during neurodegenerative disorders and supports that SGCs represent a multipotent glial precursor cell line with high plasticity and functionality.
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Affiliation(s)
- Bei Huang
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany.,Center of Systems Neuroscience, Hannover, Germany
| | - Isabel Zdora
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany.,Center of Systems Neuroscience, Hannover, Germany
| | - Nicole de Buhr
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Deborah Eikelberg
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany.,Center of Systems Neuroscience, Hannover, Germany
| | - Eva Leitzen
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany
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6
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Ma W, Yang JW, Wang XB, Luo T, Zhou L, Lagares A, Li H, Liang Z, Liu KP, Zang CH, Li CY, Wu Z, Guo JH, Zhou XF, Li LY. Negative regulation by proBDNF signaling of peripheral neurogenesis in the sensory ganglia of adult rats. Biomed Pharmacother 2021; 144:112273. [PMID: 34700232 DOI: 10.1016/j.biopha.2021.112273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/27/2021] [Accepted: 09/27/2021] [Indexed: 12/31/2022] Open
Abstract
Neurogenesis in the adult brain is well recognized and plays a critical role in the maintenance of brain function and homeostasis. However, whether neurogenesis also occurs in the adult peripheral nervous system remains unknown. Here, using sensory ganglia (dorsal root ganglia, DRGs) as a model, we show that neurogenesis also occurs in the peripheral nervous system, but in a manner different from that in the central nervous system. Satellite glial cells (SGCs) express the neuronal precursor markers Nestin, POU domain, class 4, transcription factor 1, and p75 pan-neurotrophin receptor. Following sciatic nerve injury, the suppression of endogenous proBDNF by proBDNF antibodies resulted in the transformation of proliferating SGCs into doublecortin-positive cells in the DRGs. Using purified SGCs migrating out from the DRGs, the inhibition of endogenous proBDNF promoted the conversion of SGCs into neuronal phenotypes in vitro. Our findings suggest that SGCs are neuronal precursors, and that proBDNF maintains the SGC phenotype. Furthermore, the suppression of proBDNF signaling is necessary for neuronal phenotype acquisition by SGCs. Thus, we propose that peripheral neurogenesis may occur via the direct conversion of SGCs into neurons, and that this process is negatively regulated by proBDNF.
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Affiliation(s)
- Wei Ma
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Jin-Wei Yang
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming 650032, Yunnan, China
| | - Xian-Bin Wang
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China; Department of Rehabilitation Medicine, Guizhou Medical University, Guiyang 550000, Guizhou, China
| | - Tao Luo
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China; Medical college of Panzhihua University, Panzhihua 617000, Sichuan, China
| | - Lei Zhou
- The Key Laboratory of Stem Cell and Regenerative Medicine of Yunnan Province, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Alfonso Lagares
- Department of Neurosurgery, Hospital 12 de Octubre, Instituto de Investigación imas12, Universidad Complutense de Madrid, Madrid, Spain
| | - Hongyun Li
- Brain and Mind Centre, Sydney Medical School, The University of Sydney, NSW 2050, Australia
| | - Zhang Liang
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Kuang-Pin Liu
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Cheng-Hao Zang
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming 650032, Yunnan, China
| | - Chun-Yan Li
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Zhen Wu
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming 650032, Yunnan, China
| | - Jian-Hui Guo
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming 650032, Yunnan, China.
| | - Xin-Fu Zhou
- School of Pharmacy and Medical Sciences, Sansom Institute, Faculty of Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Li-Yan Li
- Institute of Neuroscience, Kunming Medical University, Kunming 650500, Yunnan, China.
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7
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Discrepancy in the Usage of GFAP as a Marker of Satellite Glial Cell Reactivity. Biomedicines 2021; 9:biomedicines9081022. [PMID: 34440226 PMCID: PMC8391720 DOI: 10.3390/biomedicines9081022] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/04/2021] [Accepted: 08/11/2021] [Indexed: 12/13/2022] Open
Abstract
Satellite glial cells (SGCs) surrounding the neuronal somas in peripheral sensory ganglia are sensitive to neuronal stressors, which induce their reactive state. It is believed that such induced gliosis affects the signaling properties of the primary sensory neurons and is an important component of the neuropathic phenotype leading to pain and other sensory disturbances. Efforts to understand and manipulate such gliosis relies on reliable markers to confirm induced SGC reactivity and ultimately the efficacy of targeted intervention. Glial fibrillary acidic protein (GFAP) is currently the only widely used marker for such analyses. However, we have previously described the lack of SGC upregulation of GFAP in a mouse model of sciatic nerve injury, suggesting that GFAP may not be a universally suitable marker of SGC gliosis across species and experimental models. To further explore this, we here investigate the regulation of GFAP in two different experimental models in both rats and mice. We found that whereas GFAP was upregulated in both rodent species in the applied inflammation model, only the rat demonstrated increased GFAP in SGCs following sciatic nerve injury; we did not observe any such GFAP upregulation in the mouse model at either protein or mRNA levels. Our results demonstrate an important discrepancy between species and experimental models that prevents the usage of GFAP as a universal marker for SGC reactivity.
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8
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Emerging importance of satellite glia in nervous system function and dysfunction. Nat Rev Neurosci 2020; 21:485-498. [PMID: 32699292 PMCID: PMC7374656 DOI: 10.1038/s41583-020-0333-z] [Citation(s) in RCA: 169] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2020] [Indexed: 02/08/2023]
Abstract
Satellite glial cells (SGCs) closely envelop cell bodies of neurons in sensory, sympathetic and parasympathetic ganglia. This unique organization is not found elsewhere in the nervous system. SGCs in sensory ganglia are activated by numerous types of nerve injury and inflammation. The activation includes upregulation of glial fibrillary acidic protein, stronger gap junction-mediated SGC-SGC and neuron-SGC coupling, increased sensitivity to ATP, downregulation of Kir4.1 potassium channels and increased cytokine synthesis and release. There is evidence that these changes in SGCs contribute to chronic pain by augmenting neuronal activity and that these changes are consistent in various rodent pain models and likely also in human pain. Therefore, understanding these changes and the resulting abnormal interactions of SGCs with sensory neurons could provide a mechanistic approach that might be exploited therapeutically in alleviation and prevention of pain. We describe how SGCs are altered in rodent models of four common types of pain: systemic inflammation (sickness behaviour), post-surgical pain, diabetic neuropathic pain and post-herpetic pain.
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9
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Liu K, Ma W, Li C, Li J, Zhang X, Liu J, Liu W, Wu Z, Zang C, Liang Y, Guo J, Li L. Advances in Transcription Factors Related to Neuroglial Cell Reprogramming. Transl Neurosci 2020; 11:17-27. [PMID: 32161682 PMCID: PMC7053399 DOI: 10.1515/tnsci-2020-0004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 01/07/2020] [Indexed: 11/27/2022] Open
Abstract
Neuroglial cells have a high level of plasticity, and many types of these cells are present in the nervous system. Neuroglial cells provide diverse therapeutic targets for neurological diseases and injury repair. Cell reprogramming technology provides an efficient pathway for cell transformation during neural regeneration, while transcription factor-mediated reprogramming can facilitate the understanding of how neuroglial cells mature into functional neurons and promote neurological function recovery.
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Affiliation(s)
- Kuangpin Liu
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Wei Ma
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Chunyan Li
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Junjun Li
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Xingkui Zhang
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Jie Liu
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Wei Liu
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Zheng Wu
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Chenghao Zang
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Yu Liang
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
| | - Jianhui Guo
- Second Department of General Surgery, First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Liyan Li
- Institute of Neuroscience, Kunming Medical University, Kunming, Yunnan, China
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10
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Jager SE, Pallesen LT, Richner M, Harley P, Hore Z, McMahon S, Denk F, Vaegter CB. Changes in the transcriptional fingerprint of satellite glial cells following peripheral nerve injury. Glia 2020; 68:1375-1395. [PMID: 32045043 DOI: 10.1002/glia.23785] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 01/13/2023]
Abstract
Satellite glial cells (SGCs) are homeostatic cells enveloping the somata of peripheral sensory and autonomic neurons. A wide variety of neuronal stressors trigger activation of SGCs, contributing to, for example, neuropathic pain through modulation of neuronal activity. However, compared to neurons and other glial cells of the nervous system, SGCs have received modest scientific attention and very little is known about SGC biology, possibly due to the experimental challenges associated with studying them in vivo and in vitro. Utilizing a recently developed method to obtain SGC RNA from dorsal root ganglia (DRG), we took a systematic approach to characterize the SGC transcriptional fingerprint by using next-generation sequencing and, for the first time, obtain an overview of the SGC injury response. Our RNA sequencing data are easily accessible in supporting information in Excel format. They reveal that SGCs are enriched in genes related to the immune system and cell-to-cell communication. Analysis of SGC transcriptional changes in a nerve injury-paradigm reveal a differential response at 3 days versus 14 days postinjury, suggesting dynamic modulation of SGC function over time. Significant downregulation of several genes linked to cholesterol synthesis was observed at both time points. In contrast, regulation of gene clusters linked to the immune system (MHC protein complex and leukocyte migration) was mainly observed after 14 days. Finally, we demonstrate that, after nerve injury, macrophages are in closer physical proximity to both small and large DRG neurons, and that previously reported injury-induced proliferation of SGCs may, in fact, be proliferating macrophages.
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Affiliation(s)
- Sara E Jager
- Danish Research Institute of Translational Neuroscience (DANDRITE), Nordic-EMBL Partnership for Molecular Medicine, Department of Biomedicine, Aarhus University, Aarhus C, Denmark.,Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, UK
| | - Lone T Pallesen
- Danish Research Institute of Translational Neuroscience (DANDRITE), Nordic-EMBL Partnership for Molecular Medicine, Department of Biomedicine, Aarhus University, Aarhus C, Denmark
| | - Mette Richner
- Danish Research Institute of Translational Neuroscience (DANDRITE), Nordic-EMBL Partnership for Molecular Medicine, Department of Biomedicine, Aarhus University, Aarhus C, Denmark
| | - Peter Harley
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, UK
| | - Zoe Hore
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, UK
| | - Stephen McMahon
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, UK
| | - Franziska Denk
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, UK
| | - Christian B Vaegter
- Danish Research Institute of Translational Neuroscience (DANDRITE), Nordic-EMBL Partnership for Molecular Medicine, Department of Biomedicine, Aarhus University, Aarhus C, Denmark
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11
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Li R, Li D, Wu C, Ye L, Wu Y, Yuan Y, Yang S, Xie L, Mao Y, Jiang T, Li Y, Wang J, Zhang H, Li X, Xiao J. Nerve growth factor activates autophagy in Schwann cells to enhance myelin debris clearance and to expedite nerve regeneration. Theranostics 2020; 10:1649-1677. [PMID: 32042328 PMCID: PMC6993217 DOI: 10.7150/thno.40919] [Citation(s) in RCA: 110] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 10/27/2019] [Indexed: 12/12/2022] Open
Abstract
Rationale: Autophagy in Schwann cells (SCs) is crucial for myelin debris degradation and clearance following peripheral nerve injury (PNI). Nerve growth factor (NGF) plays an important role in reconstructing peripheral nerve fibers and promoting axonal regeneration. However, it remains unclear if NGF effect in enhancing nerve regeneration is mediated through autophagic clearance of myelin debris in SCs. Methods: In vivo, free NGF solution plus with/without pharmacological inhibitors were administered to a rat sciatic nerve crush injury model. In vitro, the primary Schwann cells (SCs) and its cell line were cultured in normal medium containing NGF, their capable of swallowing or clearing degenerated myelin was evaluated through supplement of homogenized myelin fractions. Results: Administration of exogenous NGF could activate autophagy in dedifferentiated SCs, accelerate myelin debris clearance and phagocytosis, as well as promote axon and myelin regeneration at early stage of PNI. These NGF effects were effectively blocked by autophagy inhibitors. In addition, inhibition of the p75 kD neurotrophin receptor (p75NTR) signal or inactivation of the AMP-activated protein kinase (AMPK) also inhibited the NGF effect as well. Conclusions: NGF effect on promoting early nerve regeneration is closely associated with its accelerating autophagic clearance of myelin debris in SCs, which probably regulated by the p75NTR/AMPK/mTOR axis. Our studies thus provide strong support that NGF may serve as a powerful pharmacological therapy for peripheral nerve injuries.
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12
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Hasmatali JCD, De Guzman J, Johnston JM, Noyan H, Juurlink BH, Misra V, Verge VMK. FOXO3a as a sensor of unilateral nerve injury in sensory neurons ipsilateral, contralateral and remote to injury. Neural Regen Res 2020; 15:2353-2361. [PMID: 32594060 PMCID: PMC7749464 DOI: 10.4103/1673-5374.284999] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Emerging evidence supports that the stress response to peripheral nerve injury extends beyond the injured neuron, with alterations in associated transcription factors detected both locally and remote to the lesion. Stress-induced nuclear translocation of the transcription factor forkhead class box O3a (FOXO3a) was initially linked to activation of apoptotic genes in many neuronal subtypes. However, a more complex role of FOXO3a has been suggested in the injury response of sensory neurons, with the injured neuron expressing less FOXO3a. To elucidate this response and test whether non-injured sensory neurons also alter FOXO3a expression, the temporal impact of chronic unilateral L4–6 spinal nerve transection on FOXO3a expression and nuclear localization in adult rat dorsal root ganglion neurons ipsilateral, contralateral or remote to injury relative to naïve controls was examined. In naïve neurons, high cytoplasmic and nuclear levels of FOXO3a colocalized with calcitonin gene related peptide, a marker of the nociceptive subpopulation. One hour post-injury, an acute increase in nuclear FOXO3a in small size injured neurons occurred followed by a significant decrease after 1, 2 and 4 days, with levels increasing toward pre-injury levels by 1 week post-injury. A more robust biphasic response to the injury was observed in uninjured neurons contralateral to and those remote to injury. Nuclear levels of FOXO3a peaked at 1 day, decreased by 4 days, then increased by 1 week post-injury, a response mirrored in C4 dorsal root ganglion neurons remote to injury. This altered expression contralateral and remote to injury supports that spinal nerve damage has broader systemic impacts, a response we recently reported for another stress transcription factor, Luman/CREB3. The early decreased expression and nuclear localization of FOXO3a in the injured neuron implicate these changes in the cell body response to injury that may be protective. Finally, the broader systemic changes support the existence of stress/injury-induced humeral factor(s) influencing transcriptional and potentially behavioral changes in uninjured dorsal root ganglion neurons. Approval to conduct this study was obtained from the University of Saskatchewan Animal Research Ethics Board (protocol #19920164).
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Affiliation(s)
- Jovan C D Hasmatali
- Department of Anatomy, Physiology, and Pharmacology; Cameco MS Neuroscience Research Center; Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, SK; Current affiliation: Department of Critical Care Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Jolly De Guzman
- Department of Anatomy, Physiology, and Pharmacology; Cameco MS Neuroscience Research Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Jayne M Johnston
- Department of Anatomy, Physiology, and Pharmacology; Cameco MS Neuroscience Research Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Hossein Noyan
- Department of Anatomy, Physiology, and Pharmacology; Cameco MS Neuroscience Research Center, University of Saskatchewan, Saskatoon, SK; Current affiliation: Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Bernhard H Juurlink
- Department of Anatomy, Physiology, and Pharmacology; Cameco MS Neuroscience Research Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Vikram Misra
- Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, SK, Canada
| | - Valerie M K Verge
- Department of Anatomy, Physiology, and Pharmacology; Cameco MS Neuroscience Research Center, University of Saskatchewan, Saskatoon, SK, Canada
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13
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Zhang Q, Zhao J, Shen J, Zhang X, Ren R, Ma Z, He Y, Kang Q, Wang Y, Dong X, Sun J, Liu Z, Yi X. The ATP-P2X7 Signaling Pathway Participates in the Regulation of Slit1 Expression in Satellite Glial Cells. Front Cell Neurosci 2019; 13:420. [PMID: 31607866 PMCID: PMC6761959 DOI: 10.3389/fncel.2019.00420] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/02/2019] [Indexed: 11/17/2022] Open
Abstract
Slit1 is one of the known signaling factors of the slit family and can promote neurite growth by binding to its receptor, Robo2. Upregulation of Slit1 expression in dorsal root ganglia (DRG) after peripheral nerve injury plays an important role in nerve regeneration. Each sensory neuronal soma in the DRG is encapsulated by several surrounding satellite glial cells (SGCs) to form a neural structural unit. However, the temporal and spatial patterns of Slit1 upregulation in SGCs in DRG and its molecular mechanisms are not well understood. This study examined the spatial and temporal patterns of Slit1 expression in DRG after sciatic nerve crush by immunohistochemistry and western blotting. The effect of neuronal damage signaling on the expression of Slit1 in SGCs was studied in vivo by fluorescent gold retrograde tracing and double immunofluorescence staining. The relationship between the expression of Slit1 in SGCs and neuronal somas was also observed by culturing DRG cells and double immunofluorescence labeling. The molecular mechanism of Slit1 was further explored by immunohistochemistry and western blotting after intraperitoneal injection of Bright Blue G (BBG, P2X7R inhibitor). The results showed that after peripheral nerve injury, the expression of Slit1 in the neurons and SGCs of DRG increased. The expression of Slit1 was presented with a time lag in SGCs than in neurons. The expression of Slit1 in SGCs was induced by contact with surrounding neuronal somas. Through injured cell localization, it was found that the expression of Slit1 was stronger in SGCs surrounding injured neurons than in SGCs surrounding non-injured neurons. The expression of vesicular nucleotide transporter (VNUT) in DRG neurons was increased by injury signaling. After the inhibition of P2X7R, the expression of Slit1 in SGCs was downregulated, and the expression of VNUT in DRG neurons was upregulated. These results indicate that the ATP-P2X7R pathway is involved in signal transduction from peripheral nerve injury to SGCs, leading to the upregulation of Slit1 expression.
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Affiliation(s)
- Quanpeng Zhang
- Department of Anatomy, Hainan Medical University, Haikou, China.,Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
| | - Jiuhong Zhao
- Department of Anatomy, Hainan Medical University, Haikou, China.,Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
| | - Jing Shen
- Department of Ophthalmology, First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Xianfang Zhang
- Department of Anatomy, Hainan Medical University, Haikou, China.,Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
| | - Rui Ren
- Department of Anatomy, Hainan Medical University, Haikou, China.,Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
| | - Zhijian Ma
- Department of Anatomy, Hainan Medical University, Haikou, China.,Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
| | - Yuebin He
- Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
| | - Qian Kang
- Infection Control Department, People's Hospital of Xing'an County, Guilin, China
| | - Yanshan Wang
- Quality Inspection Department, Minghui Industry (Shenzhen) Co., Ltd., Shenzhen, China
| | - Xu Dong
- Hainan Provincial Key Laboratory of Carcinogenesis and Intervention, Hainan Medical University, Haikou, China
| | - Jin Sun
- Department of Clinical Medicine, Hainan Medical University, Haikou, China
| | - Zhuozhou Liu
- Department of Clinical Medicine, Hainan Medical University, Haikou, China
| | - Xinan Yi
- Department of Anatomy, Hainan Medical University, Haikou, China.,Joint Laboratory for Neuroscience, Hainan Medical University, Fourth Military Medical University, Haikou, China
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14
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Lin J, Liu F, Zhang YY, Song N, Liu MK, Fang XY, Liao DQ, Zhou C, Wang H, Shen JF. P2Y 14 receptor is functionally expressed in satellite glial cells and mediates interleukin-1β and chemokine CCL2 secretion. J Cell Physiol 2019; 234:21199-21210. [PMID: 31032956 DOI: 10.1002/jcp.28726] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 04/08/2019] [Accepted: 04/10/2019] [Indexed: 02/05/2023]
Abstract
Satellite glial cells (SGCs) activation in the trigeminal ganglia (TG) is critical in various abnormal orofacial sensation in nerve injury and inflammatory conditions. SGCs express several subtypes of P2 purinergic receptors contributing to the initiation and maintenance of neuropathic pain. The P2Y14 receptor, a G-protein-coupled receptor activated by uridine diphosphate (UDP)-glucose and other UDP sugars, mediates various physiologic events such as immune, inflammation, and pain. However, the expression, distribution, and function of P2Y14 receptor in SGCs remains largely unexplored. Our study reported the expression and functional identification of P2Y14 receptor in SGCs. SGCs were isolated from TG of rat, and the P2Y14 receptor expression was examined using immunofluorescence technique. Cell proliferation and viability were examined via cell counting kit-8 experiment. Immunofluorescence demonstrated the presence of P2Y14 receptor in SGCs. Immunofluorescence and western blot showed that UDP-glucose treatment upregulated glial fibrillary acid protein, a common marker for glial activation. Extracellular UDP-glucose enhanced the phosphorylation of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), and p38, which were both abolished by the P2Y14 receptor inhibitor (PPTN). Furthermore, quantitative reverse transcription polymerase chain reaction and enzyme-linked immunosorbent assay demonstrated that extracellular UDP-glucose significantly enhanced interleukin-1β (IL-1β) and chemokine CCL2 (CCL2) release, which was abolished by PPTN and significantly decreased by inhibitors of MEK/ERK (U0126) and p38 (SB202190). Our findings directly proved the functional presence of P2Y14 receptor in SGCs. It was also verified that P2Y14 receptor activation was involved in activating SGCs, phosphorylating MAPKs, and promoting the secretion of IL-1β and CCL2 via ERK and p38 pathway.
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Affiliation(s)
- Jiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ning Song
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Meng-Ke Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin-Yi Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Da-Qing Liao
- Laboratory of Anesthesia & Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Cheng Zhou
- Laboratory of Anesthesia & Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Hang Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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15
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Koike T, Tanaka S, Hirahara Y, Oe S, Kurokawa K, Maeda M, Suga M, Kataoka Y, Yamada H. Morphological characteristics of p75 neurotrophin receptor‐positive cells define a new type of glial cell in the rat dorsal root ganglia. J Comp Neurol 2019; 527:2047-2060. [DOI: 10.1002/cne.24667] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 02/07/2019] [Accepted: 02/12/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Taro Koike
- Department of Anatomy and Cell ScienceKansai Medical University Hirakata Osaka Japan
| | - Susumu Tanaka
- Department of Anatomy and Cell ScienceKansai Medical University Hirakata Osaka Japan
| | - Yukie Hirahara
- Department of Anatomy and Cell ScienceKansai Medical University Hirakata Osaka Japan
| | - Souichi Oe
- Department of Anatomy and Cell ScienceKansai Medical University Hirakata Osaka Japan
| | - Kiyoshi Kurokawa
- Department of Human Health ScienceOsaka International University Moriguchi Osaka Japan
| | - Mitsuyo Maeda
- Multi‐Modal Microstructure Analysis UnitRIKEN‐JEOL Collaboration Center Kobe Hyogo Japan
| | - Mitsuo Suga
- Multi‐Modal Microstructure Analysis UnitRIKEN‐JEOL Collaboration Center Kobe Hyogo Japan
| | - Yosky Kataoka
- Multi‐Modal Microstructure Analysis UnitRIKEN‐JEOL Collaboration Center Kobe Hyogo Japan
- Laboratory for Cellular Function ImagingRIKEN Center for Biosystems Dynamics Research Kobe Hyogo Japan
| | - Hisao Yamada
- Department of Anatomy and Cell ScienceKansai Medical University Hirakata Osaka Japan
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16
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Guan S, Shen Y, Ge H, Xiong W, He L, Liu L, Yin C, Wei X, Gao Y. Dihydromyricetin Alleviates Diabetic Neuropathic Pain and Depression Comorbidity Symptoms by Inhibiting P2X 7 Receptor. Front Psychiatry 2019; 10:770. [PMID: 31681052 PMCID: PMC6813736 DOI: 10.3389/fpsyt.2019.00770] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 09/24/2019] [Indexed: 12/12/2022] Open
Abstract
Diabetic neuropathic pain (DNP) and major depressive disorder (MDD) are common complications of diabetes mellitus and mutually affect each other. As a member of the ATP-gated ion channel family, P2X7 receptor is associated with the transduction of pain signal and the onset of depression. The aim of this study was to investigate the effects of dihydromyricetin (DHM) on rats with comorbid DNP and MDD. After the comorbid model was established, rat behavior changes were monitored by measuring the mechanical withdrawal threshold, thermal withdrawal latency, sugar water preference, immobility time in the forced-swim test, and open-field test parameters. The expressions of P2X7 receptor in the dorsal root ganglia (DRGs), spinal cord, and hippocampus were assessed by quantitative real-time PCR, Western blotting, and double immunofluorescence. We found that hyperalgesia, allodynia, and depressive behaviors of rats with comorbid DNP and MDD were relieved by treatment with DHM or application of a short-hairpin RNA for P2X7 receptor. The expression levels of P2X7, phosphorylated extracellular signal-regulated kinase 1/2, tumor necrosis factor α, and interleukin 1ß were increased in the DRGs, spinal cord, and hippocampus of rats in the model group but restored after DHM or P2X7 short-hairpin RNA treatment. In conclusion, P2X7 receptor in the DRGs, spinal cord, and hippocampus participates in the transduction of DNP and MDD signals. DHM seems to relieve comorbid DNP and MDD by reducing the expression of P2X7 receptor in the DRGs, spinal cord, and hippocampus and may be an effective new drug for the treatment of patients with both DNP and MDD.
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Affiliation(s)
- Shu Guan
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, China
| | - Yulin Shen
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, China.,Sport Biological Centre, China Institute of Sport Science, Beijing, China
| | - Huixiang Ge
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, China
| | - Wei Xiong
- Department of Preventive Dentistry, Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Lingkun He
- Department of Preventive Dentistry, Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Lijuan Liu
- Department of Preventive Dentistry, Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Cancan Yin
- Department of Preventive Dentistry, Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Xingyu Wei
- Basic Medical College of Grade 2017, Nanchang University, Nanchang, China
| | - Yun Gao
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, China.,Jiangxi Provincial Key Laboratory of Autonomic Nervous Function and Disease, Nanchang University, Nanchang, China
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17
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George D, Ahrens P, Lambert S. Satellite glial cells represent a population of developmentally arrested Schwann cells. Glia 2018. [DOI: 10.1002/glia.23320] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Dale George
- Burnett School of Biomedical Sciences, College of Medicine; University of Central Florida; Orlando Florida
| | - Paige Ahrens
- Department of Medical Education, College of Medicine; University of Central Florida; Orlando Florida
| | - Stephen Lambert
- Department of Medical Education, College of Medicine; University of Central Florida; Orlando Florida
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18
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Khaitin A, Rudkovskii M, Uzdensky A. Ca 2+ mediates axotomy-induced necrosis and apoptosis of satellite glial cells remote from the transection site in the isolated crayfish mechanoreceptor. Mol Cell Neurosci 2017; 88:7-15. [PMID: 29225183 DOI: 10.1016/j.mcn.2017.12.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 11/05/2017] [Accepted: 12/05/2017] [Indexed: 01/11/2023] Open
Abstract
Severe nerve injury such as axotomy induces neuron degeneration and death of surrounding glial cells. Using a crayfish stretch receptor that consists of a single mechanoreceptor neuron enveloped by satellite glia, we showed that axotomy not only mechanically injures glial cells at the transection location, but also induces necrosis or apoptosis of satellite glial cells remote from the transection site. We studied Ca2+role in spontaneous or axotomy-induced death of remote glial cells. Stretch receptors were isolated using the original technique that kept the neuron connected to the ventral cord ganglion (control preparations). Using Ca2+-sensitive fluorescence probe fluo-4, we showed Ca2+ accumulation in neuronal perikarion and glial envelope. Ca2+ gradually accumulated in glial cells after axotomy. In saline with triple Ca2+ concentration the axotomy-induced apoptosis of glial cells increased, but spontaneous or axotomy-induced necrosis was unexpectedly reduced. Saline with 1/3[Ca2+], oppositely, enhanced glial necrosis. Application of ionomycin, CdCl2, thapsigargin, and ryanodine showed the involvement of Ca2+ influx through ionic channels in the plasma membrane, inhibition of endoplasmic reticulum Ca2+-ATPase, and Ca2+ release from endoplasmic reticulum through ryanodine receptors in axotomy-induced glial necrosis. Apoptosis of glial cells surrounding axotomized neurons was promoted by ionomycin and thapsigargin. Possibly, other Ca2+ sources such as penetration through the plasma membrane contributed to axotomy-induced apoptosis and necrosis of remote glial cells. Thus, modulating different pathways that maintain calcium homeostasis, one can modulate axotomy-induced death of glial cells remote from the transection site.
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Affiliation(s)
- Andrey Khaitin
- Laboratory of Molecular Neurobiology, Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don 344090, Russia
| | - Mikhail Rudkovskii
- Laboratory of Molecular Neurobiology, Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don 344090, Russia
| | - Anatoly Uzdensky
- Laboratory of Molecular Neurobiology, Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don 344090, Russia.
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19
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Wang TT, Tian C, Sun J, Wang H, Zhang BY, Chen C, Wang J, Xiao K, Chen LN, Lv Y, Gao C, Shi Q, Xin Y, Dong XP. Down-regulation of brain-derived neurotrophic factor and its signaling components in the brain tissues of scrapie experimental animals. Int J Biochem Cell Biol 2016; 79:318-326. [PMID: 27590859 DOI: 10.1016/j.biocel.2016.08.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 08/11/2016] [Accepted: 08/29/2016] [Indexed: 12/30/2022]
Abstract
Prion is a unique nucleic acid-free pathogen that causes human and animal fatal neurodegenerative diseases. Brain-derived neurotrophic factor (BDNF) is a prototypic neurotrophin that helps to support the survival of existing neurons, and encourage the growth and differentiation of new neurons and synapses through axonal and dendritic sprouting. There are two distinct classes of glycosylated receptors, neurotrophin receptor p75 (p75NTR) and tropomyosin-related kinase (Trk), that can bind to BDNF. To obtain insights into the possible alterations of brain BDNF and its signaling pathway in prion disease, the levels of BDNF and several molecules in the BDNF pathway in the brain tissues of scrapie agents 263K-infected hamsters were separately evaluated. Western blots and/or immunohistochemical (IHC) assays revealed that BDNF, TrkB, GRB2 and p75NTR, were significantly downregulated in the brain tissues of scrapie-infected rodents at terminal stage. Double-stained immunofluorescent assay (IFA) demonstrated that BDNF and phospho-TrkB predominately expressed in neurons. Dynamic analyses of the brain samples collected at the different time-points during the incubation period illustrated continuous decreases of BDNF, TrkB, phospho-TrkB, GRB2 and p75NTR, which correlated well with neuron loss. However, these proteins remained almost unchanged in the prion infected cell line SMB-S15 compared with those of its normal cell line SMB-PS. These data suggest that the BDNF signaling pathway is severely hindered in the brains of prion disease, which may contribute, at least partially, to the neuron death.
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Affiliation(s)
- Ting-Ting Wang
- School of Basic Medical Sciences, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot 010110, People's Republic of China; State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Chan Tian
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China; Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Jing Sun
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Hui Wang
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Bao-Yun Zhang
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Cao Chen
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Jing Wang
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Kang Xiao
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Li-Na Chen
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Yan Lv
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Chen Gao
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Qi Shi
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China
| | - Yan Xin
- School of Basic Medical Sciences, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot 010110, People's Republic of China.
| | - Xiao-Ping Dong
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Rd, Beijing 102206, People's Republic of China; Chinese Academy of Sciences Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China.
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Magni G, Merli D, Verderio C, Abbracchio MP, Ceruti S. P2Y2 receptor antagonists as anti-allodynic agents in acute and sub-chronic trigeminal sensitization: role of satellite glial cells. Glia 2015; 63:1256-69. [PMID: 25779655 DOI: 10.1002/glia.22819] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 01/28/2015] [Accepted: 02/27/2015] [Indexed: 12/18/2022]
Abstract
Trigeminal (TG) pain often lacks a satisfactory pharmacological control. A better understanding of the molecular cross-talk between TG neurons and surrounding satellite glial cells (SGCs) could help identifying innovative targets for the development of more effective analgesics. We have previously demonstrated that neuronal pro-algogenic mediators upregulate G protein-coupled nucleotide P2Y receptors (P2YRs) expressed by TG SGCs in vitro. Here, we have identified the specific P2YR subtypes involved (i.e., the ADP-sensitive P2Y1 R and the UTP-responsive P2Y2 R subtypes), and demonstrated the contribution of neuron-derived prostaglandins to their upregulation. Next, we have translated these data to an in vivo model of TG pain (namely, rats injected with Complete Freund's adjuvant in the temporomandibular joint), by demonstrating activation of SGCs and upregulation of P2Y1 R and P2Y2 R in the ipsi-lateral TG. To unequivocally link P2YRs to the development of facial allodynia, we treated animals with various purinergic antagonists. The selective P2Y2 R antagonist AR-C118925 completely inhibited SGCs activation, exerted a potent anti-allodynic effect that lasted over time, and was still effective when administration was started 6-days post induction of allodynia, i.e. under subchronic pain conditions. Conversely, the selective P2Y1 R antagonist MRS2179 was completely ineffective. Moreover, similarly to the anti-inflammatory drug acetylsalicylic acid and the known anti-migraine agent sumatriptan, the P2X/P2Y nonselective antagonist PPADS was only partially effective, and completely lost its activity under sub-chronic conditions. Taken together, our results highlight glial P2Y2 Rs as potential "druggable" targets for the successful management of TG-related pain.
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Affiliation(s)
- Giulia Magni
- Laboratory of Molecular and Cellular Pharmacology of Purinergic Transmission, Department of Pharmacological and Biomolecular Sciences, Università Degli Studi Di Milano, via Balzaretti, 9, Milan, Italy; Department of Drug Discovery and Development, Italian Institute of Technology (IIT), via Morego, 30, Genoa, Italy
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Vaegter CB. Neurotrophins and their receptors in satellite glial cells following nerve injury. Neural Regen Res 2015; 9:2038-9. [PMID: 25657715 PMCID: PMC4316462 DOI: 10.4103/1673-5374.147924] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/02/2014] [Indexed: 11/28/2022] Open
Affiliation(s)
- Christian Bjerggaard Vaegter
- Danish Research Institute of Translational Neuroscience DANDRITE, Nordic EMBL Partnership, and The Lundbeck Foundation Research Center MIND, Department of Biomedicine, Aarhus University, Ole Worms Allé 3, 8000 Aarhus C, Denmark
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