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Li H, Liu S, Han J, Li S, Gao X, Wang M, Zhu J, Jin T. Role of Toll-Like Receptors in Neuroimmune Diseases: Therapeutic Targets and Problems. Front Immunol 2021; 12:777606. [PMID: 34790205 PMCID: PMC8591135 DOI: 10.3389/fimmu.2021.777606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 10/15/2021] [Indexed: 12/16/2022] Open
Abstract
Toll-like receptors (TLRs) are a class of proteins playing a key role in innate and adaptive immune responses. TLRs are involved in the development and progression of neuroimmune diseases via initiating inflammatory responses. Thus, targeting TLRs signaling pathway may be considered as a potential therapy for neuroimmune diseases. However, the role of TLRs is elusive and complex in neuroimmune diseases. In addition to the inadequate immune response of TLRs inhibitors in the experiments, the recent studies also demonstrated that partial activation of TLRs is conducive to the production of anti-inflammatory factors and nervous system repair. Exploring the mechanism of TLRs in neuroimmune diseases and combining with developing the emerging drug may conquer neuroimmune diseases in the future. Herein, we provide an overview of the role of TLRs in several neuroimmune diseases, including multiple sclerosis, neuromyelitis optica spectrum disorder, Guillain-Barré syndrome and myasthenia gravis. Emerging difficulties and potential solutions in clinical application of TLRs inhibitors will also be discussed.
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Affiliation(s)
- Haixia Li
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Shan Liu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Jinming Han
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China.,Department of Clinical Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Shengxian Li
- Department of Urology, The First Hospital of Jilin University, Changchun, China
| | - Xiaoyan Gao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Meng Wang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Jie Zhu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China.,Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital, Solna, Sweden
| | - Tao Jin
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
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2
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Querol L, Lleixà C. Novel Immunological and Therapeutic Insights in Guillain-Barré Syndrome and CIDP. Neurotherapeutics 2021; 18:2222-2235. [PMID: 34549385 PMCID: PMC8455117 DOI: 10.1007/s13311-021-01117-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/02/2021] [Indexed: 12/22/2022] Open
Abstract
Inflammatory neuropathies are a heterogeneous group of rare diseases of the peripheral nervous system that include acute and chronic diseases, such as Guillain-Barré syndrome (GBS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). The etiology and pathophysiological mechanisms of inflammatory neuropathies are only partly known, but are considered autoimmune disorders in which an aberrant immune response, including cellular and humoral components, is directed towards components of the peripheral nerve causing demyelination and axonal damage. Therapy of these disorders includes broad-spectrum immunomodulatory and immunosuppressive treatments, such as intravenous immunoglobulin, corticosteroids, or plasma exchange. However, a significant proportion of patients do not respond to any of these therapies, and treatment selection is not optimized according to disease pathophysiology. Therefore, research on disease pathophysiology aiming to reveal clinically and functionally relevant disease mechanisms and the development of new treatment approaches are needed to optimize disease outcomes in CIDP and GBS. This topical review describes immunological progress that may help guide therapeutic strategies in the future in these two disorders.
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Affiliation(s)
- Luis Querol
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de La Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Mas Casanovas 90, 08041, Barcelona, Spain.
- Centro Para La Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Madrid, Spain.
| | - Cinta Lleixà
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de La Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Mas Casanovas 90, 08041, Barcelona, Spain
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Oladiran O, Shi XQ, Yang M, Fournier S, Zhang J. Inhibition of TLR4 signaling protects mice from sensory and motor dysfunction in an animal model of autoimmune peripheral neuropathy. J Neuroinflammation 2021; 18:77. [PMID: 33752705 PMCID: PMC7983271 DOI: 10.1186/s12974-021-02126-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/10/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND While the etiology remains elusive, macrophages and T cells in peripheral nerves are considered as effector cells mediating autoimmune peripheral neuropathy (APN), such as Guillain-Barre syndrome. By recognizing both pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs) signals, TLRs play a central role in the initiation of both innate and adaptive immune responses. In this study, we aimed to understand the involvement of TLR4 in the pathogenesis of APN and explore the potential of TLR4 as a drug target for therapeutic use. METHODS APN was induced by a partial ligation on one of the sciatic nerves in B7.2 (L31) transgenic mice which possess a predisposed inflammatory background. APN pathology and neurological function were evaluated on the other non-injured sciatic nerve. RESULTS TLR4 and its endogenous ligand HMGB1 were highly expressed in L31 mice, in circulating immune cells and in peripheral nerves. Enhanced TLR4 signaling was blocked with TAK 242, a selective TLR4 inhibitor, before and after disease onset. Intraperitoneal administration of TAK 242 not only inhibited monocyte, macrophage and CD8+ T cell activation, but also reduced the release of pro-inflammatory cytokines. TAK 242 protected mice from severe myelin and axonal loss, resulting in a remarkable improvement in mouse motor and sensory functions. TAK 242 was effective in alleviating the disease in both preventive and reversal paradigms. CONCLUSION The study identified the critical contribution of TLR4-mediated macrophage activation in disease course and provided strong evidence to support TLR4 as a useful drug target for treating inflammatory autoimmune neuropathy.
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Affiliation(s)
- Oladayo Oladiran
- The Alan Edwards Centre for Research on Pain, McGill University, 740 Docteur Penfield Ave, Suite 3200C, Montreal, QC, H3A0G1, Canada
| | - Xiang Qun Shi
- The Alan Edwards Centre for Research on Pain, McGill University, 740 Docteur Penfield Ave, Suite 3200C, Montreal, QC, H3A0G1, Canada
| | - Mu Yang
- The Alan Edwards Centre for Research on Pain, McGill University, 740 Docteur Penfield Ave, Suite 3200C, Montreal, QC, H3A0G1, Canada
| | - Sylvie Fournier
- Department of Microbiology & Immunology, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada.
| | - Ji Zhang
- The Alan Edwards Centre for Research on Pain, McGill University, 740 Docteur Penfield Ave, Suite 3200C, Montreal, QC, H3A0G1, Canada. .,Department of Microbiology & Immunology, McGill University, 3775 University Street, Montreal, QC, H3A 2B4, Canada. .,Department of Neurology & Neurosurgery, McGill University, Montreal, QC, Canada. .,Faculty of Dentistry, McGill University, Montreal, QC, Canada.
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Jovanović Krivokuća M, Stefanoska I, Vilotić A, Ćujić D, Vrzić Petronijević S, Vićovac L. Macrophage migration inhibitory factor modulates cytokine expression in the trophoblast cell line HTR-8/SVneo. Reprod Fertil Dev 2020; 32:RD20138. [PMID: 33323165 DOI: 10.1071/rd20138] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 10/26/2020] [Indexed: 02/24/2024] Open
Abstract
Extravillous trophoblasts are specific placental cells that invade the uterine stroma and spiral arteries modifying and adjusting them to pregnancy. Many pregnancy pathologies are associated with impairment of this process, including preeclampsia and intrauterine growth restriction, among others. Macrophage migration inhibitory factor (MIF) is a pleiotropic cytokine that is abundant at the fetomaternal interface. Previous results from our group showed that MIF participates in trophoblast invasion and modulates the expression of molecules known to mediate stromal and endovascular trophoblast invasion. In this study we investigated the possibility that MIF could act as a regulator of cytokines known to modulate trophoblast invasion using the normal extravillous trophoblast-derived cell line HTR-8/SVneo. Expression of trophoblast MIF was attenuated by MIF mRNA-specific small interfering RNAs. Cytokine expression was assessed at the mRNA and protein levels using real-time quantitative polymerase chain reaction and flow cytometry respectively. Knockdown of MIF led to a significant decrease in mRNA for IL-1β (IL1B) and IL-8 (CXCL8) and interleukin (IL)-8 protein. The addition of recombinant human MIF to cell culture medium increased IL-6 after 24h treatment and IL-6 and IL-8 after 72h treatment. Cell viability was not affected by MIF silencing or rhMIF treatment. The results of this study imply that at least some of the effects of MIF on trophoblast invasion could be mediated through autocrine or paracrine modulation of trophoblast cytokine production.
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A review of the role of genetic factors in Guillain–Barré syndrome. J Mol Neurosci 2020; 71:902-920. [DOI: 10.1007/s12031-020-01720-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 09/24/2020] [Indexed: 12/14/2022]
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Role of MIF and D-DT in immune-inflammatory, autoimmune, and chronic respiratory diseases: from pathogenic factors to therapeutic targets. Drug Discov Today 2018; 24:428-439. [PMID: 30439447 DOI: 10.1016/j.drudis.2018.11.003] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 10/04/2018] [Accepted: 11/06/2018] [Indexed: 01/03/2023]
Abstract
Macrophage migration inhibitory factor (MIF) is a protein that acts as a cytokine-, enzyme-, endocrine- and chaperon-like molecule. It binds to the cell-surface receptor CD74 in association with CD44, which activates the downstream signal transduction pathway. In addition, MIF acts also as a noncognate ligand for C-X-C chemokine receptor type 2 (CXCR2), type 4 (CXCR4), and type 7 (CXCR7). Recently, D-dopachrome tautomerase (D-DT), a second member of the MIF superfamily, was identified. From a pharmacological and clinical point of view, the nonredundant biological properties of MIF and D-DT anticipate potential synergisms from their simultaneous inhibition. Here, we focus on the role of MIF and D-DT in human immune-inflammatory, autoimmune, and chronic respiratory diseases, providing an update on the progress made in the identification of specific small-molecule inhibitors of these proteins.
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Canonico B, Di Sario G, Cesarini E, Campana R, Luchetti F, Zamai L, Ortolani C, Nasoni MG, Baffone W, Papa S. Monocyte Response to Different Campylobacter jejuni Lysates Involves Endoplasmic Reticulum Stress and the Lysosomal⁻Mitochondrial Axis: When Cell Death Is Better Than Cell Survival. Toxins (Basel) 2018; 10:E239. [PMID: 29899248 PMCID: PMC6024708 DOI: 10.3390/toxins10060239] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 06/06/2018] [Accepted: 06/11/2018] [Indexed: 12/18/2022] Open
Abstract
Campylobacter jejuni is a Gram-negative spiral-shaped bacterium, commonly associated with gastroenteritis in humans. It explicates its virulence also by the cytolethal distending toxin (CDT), able to cause irreversible cell cycle arrest. Infection by C. jejuni may result in the development of the Guillain⁻Barré Syndrome, an acute peripheral neuropathy. Symptoms of this disease could be caused by CDT-induced cell death and a subsequent inflammatory response. We tested C. jejuni lysates from different strains on donor monocytes: in fact, monocytes are potent producers of both pro- and anti-inflammatory cytokines, playing a major role in innate immunity and in non-specific host responses. We found, by cytometric and confocal analyses, that mitochondria and lysosomes were differently targeted: The C. jejuni strain that induced the most relevant mitochondrial alterations was the ATCC 33291, confirming an intrinsic apoptotic pathway, whereas the C. jejuni ISS 1 wild-type strain mostly induced lysosomal alterations. Lysates from all strains induced endoplasmic reticulum (ER) stress in monocytes, suggesting that ER stress was not associated with CDT but to other C. jejuni virulence factors. The ER data were consistent with an increase in cytosolic Ca2+ content induced by the lysates. On the contrary, the changes in lysosomal acidic compartments and p53 expression (occurring together from time 0, T0, to 24 h) were mainly due to CDT. The loss of p53 may prevent or impede cell death and it was not observable with the mutant strain. CDT not only was responsible for specific death effects but also seemed to promote an apoptotic stimuli-resisting pathway.
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Affiliation(s)
- Barbara Canonico
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Gianna Di Sario
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Erica Cesarini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Raffaella Campana
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Francesca Luchetti
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Loris Zamai
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Claudio Ortolani
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Maria Gemma Nasoni
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Wally Baffone
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
| | - Stefano Papa
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.
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Shen D, Lang Y, Chu F, Wu X, Wang Y, Zheng X, Zhang HL, Zhu J, Liu K. Roles of macrophage migration inhibitory factor in Guillain-Barré syndrome and experimental autoimmune neuritis: beneficial or harmful? Expert Opin Ther Targets 2018; 22:567-577. [PMID: 29856236 DOI: 10.1080/14728222.2018.1484109] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Macrophage migration inhibitory factor (MIF) plays an important role in the pathogenesis of Guillain-Barré syndrome (GBS) and its animal model experimental autoimmune neuritis (EAN), which may offer an opportunity for the development of the novel therapeutic strategies for GBS. Areas covered: 'macrophage migration inhibitory factor' and 'Guillain-Barré syndrome' were used as keywords to search for related publications on Pub-Med, National Center for Biotechnology Information (NCBI), USA. MIF is involved in the etiology of various inflammatory and autoimmune disorders. However, the roles of MIF in GBS and EAN have not been summarized in the publications we identified. Therefore, in this review, we described and analyzed the major roles of MIF in GBS/EAN. Primarily, this molecule aggravates the inflammatory responses in this disorder. However, multiple studies indicated a protective role of MIF in GBS. The potential of MIF as a therapeutic target in GBS has been recently demonstrated in experimental and clinical studies, although clinical trials have been unavailable to date. Expert opinion: MIF plays a critical role in the initiation and progression of GBS and EAN, and it may represent a potential therapeutic target for GBS.
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Affiliation(s)
- Donghui Shen
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China
| | - Yue Lang
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China
| | - Fengna Chu
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China
| | - Xiujuan Wu
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China
| | - Ying Wang
- b Department of Neurobiology, Care Sciences and Society , Division of Neurodegeneration, Karolinska Institute, Karolinska University Hospital Huddinge , Stockholm , Sweden
| | - Xiangyu Zheng
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China
| | - Hong-Liang Zhang
- c Department of Life Sciences , the National Natural Science Foundation of China , Beijing , China
| | - Jie Zhu
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China.,b Department of Neurobiology, Care Sciences and Society , Division of Neurodegeneration, Karolinska Institute, Karolinska University Hospital Huddinge , Stockholm , Sweden
| | - Kangding Liu
- a Neuroscience Center, Department of Neurology , The First Hospital of Jilin University, Jilin University , Changchun , China
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Wang Y, Zhang J, Luo P, Zhu J, Feng J, Zhang HL. Tumor necrosis factor-α in Guillain-Barré syndrome, friend or foe? Expert Opin Ther Targets 2016; 21:103-112. [PMID: 27817222 DOI: 10.1080/14728222.2017.1258402] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ying Wang
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
| | - Jingdian Zhang
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
| | - Peijuan Luo
- Norman Bethune Health Science Center, Jilin University, Changchun, China
| | - Jie Zhu
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
| | - Jiachun Feng
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
| | - Hong-Liang Zhang
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
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Huizinga R, van den Berg B, van Rijs W, Tio-Gillen AP, Fokkink WJR, Bakker-Jonges LE, Geleijns K, Samsom JN, van Doorn PA, Laman JD, Jacobs BC. Innate Immunity toCampylobacter jejuniin Guillain-Barré Syndrome. Ann Neurol 2015; 78:343-54. [DOI: 10.1002/ana.24442] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 05/18/2015] [Accepted: 05/25/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Ruth Huizinga
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Bianca van den Berg
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Wouter van Rijs
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Anne P. Tio-Gillen
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Willem Jan R. Fokkink
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | | | - Karin Geleijns
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Janneke N. Samsom
- Division Gastroenterology and Nutrition; Department of Pediatrics; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Pieter A. van Doorn
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Jon D. Laman
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
| | - Bart C. Jacobs
- Department of Immunology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
- Department of Neurology; Erasmus MC, University Medical Center; Rotterdam The Netherlands
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Pathogenic mechanisms in inflammatory and paraproteinaemic peripheral neuropathies. Curr Opin Neurol 2014; 27:541-51. [DOI: 10.1097/wco.0000000000000137] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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