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Vaughan CW. Preface to the special issue "Pain". J Neurochem 2024. [PMID: 38991093 DOI: 10.1111/jnc.16175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 06/26/2024] [Accepted: 06/26/2024] [Indexed: 07/13/2024]
Abstract
This preface introduces the Journal of Neurochemistry Special Issue on pain research. While acute pain provides important sensory information, which aids in the protection of an organism, it can in some cases transition into a chronic state. Unfortunately, chronic pain is a highly disabling state characterised by intense and abnormal pain sensations, which are exacerbated by problematic psychosocial disturbances that are poorly treated by current drugs. This issue includes several reviews that address current issues spanning basic to clinical research on a range of pain syndromes. Also included is a collection of basic research articles investigating important aspects of pain signalling through to whole body aspects of pain integration.
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Affiliation(s)
- Christopher W Vaughan
- Faculty of Medicine and Health, Pain Management Research Institute, Kolling Institute, The University of Sydney, Sydney, New South Wales, Australia
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Roy A, Segond von Banchet G, Gimeno-Ferrer F, König C, Eitner A, Ebersberger A, Ebbinghaus M, Leuchtweis J, Schaible HG. Impact of Interleukin-6 Activation and Arthritis on Epidermal Growth Factor Receptor (EGFR) Activation in Sensory Neurons and the Spinal Cord. Int J Mol Sci 2024; 25:7168. [PMID: 39000275 PMCID: PMC11241234 DOI: 10.3390/ijms25137168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024] Open
Abstract
In tumor cells, interleukin-6 (IL-6) signaling can lead to activation of the epidermal growth factor receptor (EGFR), which prolongs Stat3 activation. In the present experiments, we tested the hypothesis that IL-6 signaling activates EGFR signaling in peripheral and spinal nociception and examined whether EGFR localization and activation coincide with pain-related behaviors in arthritis. In vivo in anesthetized rats, spinal application of the EGFR receptor blocker gefitinib reduced the responses of spinal cord neurons to noxious joint stimulation, but only after spinal pretreatment with IL-6 and soluble IL-6 receptor. Using Western blots, we found that IL-6-induced Stat3 activation was reduced by gefitinib in microglial cells of the BV2 cell line, but not in cultured DRG neurons. Immunohistochemistry showed EGFR localization in most DRG neurons from normal rats, but significant downregulation in the acute and most painful arthritis phase. In the spinal cord of mice, EGFR was highly activated mainly in the chronic phase of inflammation, with localization in neurons. These data suggest that spinal IL-6 signaling may activate spinal EGFR signaling. Downregulation of EGFR in DRG neurons in acute arthritis may limit nociception, but pronounced delayed activation of EGFR in the spinal cord may be involved in chronic inflammatory pain.
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Affiliation(s)
- Anutosh Roy
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Gisela Segond von Banchet
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Fátima Gimeno-Ferrer
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Christian König
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Annett Eitner
- Department of Trauma, Hand and Reconstructive Surgery, Experimental Trauma Surgery, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany;
| | - Andrea Ebersberger
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Matthias Ebbinghaus
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Johannes Leuchtweis
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
| | - Hans-Georg Schaible
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany; (A.R.); (G.S.v.B.); (F.G.-F.); (C.K.); (A.E.); (M.E.); (J.L.)
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Zhang S, Chen Y, Wang Y, Wang H, Yao D, Chen G. Tau Accumulation in the Spinal Cord Contributes to Chronic Inflammatory Pain by Upregulation of IL-1β and BDNF. Neurosci Bull 2024; 40:466-482. [PMID: 38148427 PMCID: PMC11003936 DOI: 10.1007/s12264-023-01152-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 07/09/2023] [Indexed: 12/28/2023] Open
Abstract
Microtubule-associated protein Tau is responsible for the stabilization of neuronal microtubules under normal physiological conditions. Much attention has been focused on Tau's contribution to cognition, but little research has explored its role in emotions such as pain, anxiety, and depression. In the current study, we found a significant increase in the levels of p-Tau (Thr231), total Tau, IL-1β, and brain-derived neurotrophic factor (BDNF) on day 7 after complete Freund's adjuvant (CFA) injection; they were present in the vast majority of neurons in the spinal dorsal horn. Microinjection of Mapt-shRNA recombinant adeno-associated virus into the spinal dorsal cord alleviated CFA-induced inflammatory pain and inhibited CFA-induced IL-1β and BDNF upregulation. Importantly, Tau overexpression was sufficient to induce hyperalgesia by increasing the expression of IL-1β and BDNF. Furthermore, the activation of glycogen synthase kinase 3 beta partly contributed to Tau accumulation. These findings suggest that Tau in the dorsal horn could be a promising target for chronic inflammatory pain therapy.
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Affiliation(s)
- Shuxia Zhang
- Department of Anesthesiology, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Yeru Chen
- Department of Anesthesiology, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Yongjie Wang
- Key Laboratory of Elemene Anti-Cancer Medicine of Zhejiang Province and Holistic Integrative Pharmacy Institutes, Hangzhou Normal University, Hangzhou, 311121, China
- Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Holistic Integrative Pharmacy Institutes, Hangzhou Normal University, Hangzhou, 311121, China
| | - Hongwei Wang
- Department of Anesthesiology, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Dandan Yao
- Department of Anesthesiology, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Gang Chen
- Department of Anesthesiology, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China.
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Marín-Prida J, Rodríguez-Ulloa A, Besada V, Llopiz-Arzuaga A, Batista NV, Hernández-González I, Pavón-Fuentes N, Marciano Vieira ÉL, Falcón-Cama V, Acosta EF, Martínez-Donato G, Cervantes-Llanos M, Lingfeng D, González LJ, Fernández-Massó JR, Guillén-Nieto G, Pentón-Arias E, Amaral FA, Teixeira MM, Pentón-Rol G. The effects of Phycocyanobilin on experimental arthritis involve the reduction in nociception and synovial neutrophil infiltration, inhibition of cytokine production, and modulation of the neuronal proteome. Front Immunol 2023; 14:1227268. [PMID: 37936684 PMCID: PMC10627171 DOI: 10.3389/fimmu.2023.1227268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 10/02/2023] [Indexed: 11/09/2023] Open
Abstract
Introduction The antinociceptive and pharmacological activities of C-Phycocyanin (C-PC) and Phycocyanobilin (PCB) in the context of inflammatory arthritis remain unexplored so far. In the present study, we aimed to assess the protective actions of these compounds in an experimental mice model that replicates key aspects of human rheumatoid arthritis. Methods Antigen-induced arthritis (AIA) was established by intradermal injection of methylated bovine serum albumin in C57BL/6 mice, and one hour before the antigen challenge, either C-PC (2, 4, or 8 mg/kg) or PCB (0.1 or 1 mg/kg) were administered intraperitoneally. Proteome profiling was also conducted on glutamate-exposed SH-SY5Y neuronal cells to evaluate the PCB impact on this key signaling pathway associated with nociceptive neuronal sensitization. Results and discussion C-PC and PCB notably ameliorated hypernociception, synovial neutrophil infiltration, myeloperoxidase activity, and the periarticular cytokine concentration of IFN-γ, TNF-α, IL-17A, and IL-4 dose-dependently in AIA mice. In addition, 1 mg/kg PCB downregulated the gene expression for T-bet, RORγ, and IFN-γ in the popliteal lymph nodes, accompanied by a significant reduction in the pathological arthritic index of AIA mice. Noteworthy, neuronal proteome analysis revealed that PCB modulated biological processes such as pain, inflammation, and glutamatergic transmission, all of which are involved in arthritic pathology. Conclusions These findings demonstrate the remarkable efficacy of PCB in alleviating the nociception and inflammation in the AIA mice model and shed new light on mechanisms underlying the PCB modulation of the neuronal proteome. This research work opens a new avenue to explore the translational potential of PCB in developing a therapeutic strategy for inflammation and pain in rheumatoid arthritis.
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Affiliation(s)
- Javier Marín-Prida
- Center for Research and Biological Evaluations, Institute of Pharmacy and Food, University of Havana, Havana, Cuba
| | - Arielis Rodríguez-Ulloa
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Vladimir Besada
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
- China-Cuba Biotechnology Joint Innovation Center (CCBJIC), Yongzhou Zhong Gu Biotechnology Co. Ltd, Yongzhou, China
| | - Alexey Llopiz-Arzuaga
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
- Department of Cellular Engineering and Biocatalysis , Institute of Biotechnology, National Autonomous University of Mexico (UNAM), Cuernavaca, Mexico
| | - Nathália Vieira Batista
- Laboratory of Immunopharmacology, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Nancy Pavón-Fuentes
- Immunochemical Department, International Center for Neurological Restoration (CIREN), Havana, Cuba
| | - Érica Leandro Marciano Vieira
- Translational Psychoneuroimmunology Group, School of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Viviana Falcón-Cama
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
- Departments of Physiological or Morphological Sciences, Latin American School of Medicine (ELAM), Havana, Cuba
| | - Emilio F. Acosta
- Department of Characterization, Center for Advanced Studies of Cuba, Havana, Cuba
| | - Gillian Martínez-Donato
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Majel Cervantes-Llanos
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Dai Lingfeng
- China-Cuba Biotechnology Joint Innovation Center (CCBJIC), Yongzhou Zhong Gu Biotechnology Co. Ltd, Yongzhou, China
| | - Luis J. González
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | | | - Gerardo Guillén-Nieto
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
- Departments of Physiological or Morphological Sciences, Latin American School of Medicine (ELAM), Havana, Cuba
| | - Eduardo Pentón-Arias
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
- Departments of Physiological or Morphological Sciences, Latin American School of Medicine (ELAM), Havana, Cuba
| | - Flávio Almeida Amaral
- Laboratory of Immunopharmacology, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Mauro Martins Teixeira
- Laboratory of Immunopharmacology, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Giselle Pentón-Rol
- Division of Biomedical Research, Center for Genetic Engineering and Biotechnology, Havana, Cuba
- Departments of Physiological or Morphological Sciences, Latin American School of Medicine (ELAM), Havana, Cuba
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Irwin MR, Straub RH, Smith MT. Heat of the night: sleep disturbance activates inflammatory mechanisms and induces pain in rheumatoid arthritis. Nat Rev Rheumatol 2023; 19:545-559. [PMID: 37488298 DOI: 10.1038/s41584-023-00997-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2023] [Indexed: 07/26/2023]
Abstract
Sleep has a homeostatic role in the regulation of the immune system and serves to constrain activation of inflammatory signalling and expression of cellular inflammation. In patients with rheumatoid arthritis (RA), a misaligned inflammatory profile induces a dysregulation of sleep-wake activity, which leads to excessive inflammation and the induction of increased sensitivity to pain. Given that multiple biological mechanisms contribute to sleep disturbances (such as insomnia), and that the central nervous system communicates with the innate immune system via neuroendocrine and neural effector pathways, potential exists to develop prevention opportunities to mitigate the risk of insomnia in RA. Furthermore, understanding these risk mechanisms might inform additional insomnia treatment strategies directed towards steering and reducing the magnitude of the inflammatory response, which together could influence outcomes of pain and disease activity in RA.
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Affiliation(s)
- Michael R Irwin
- Department of Psychiatry and Behavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
- Cousins Center for Psychoneuroimmunology, UCLA Semel Institute for Neuroscience and Human Behaviour, Los Angeles, CA, USA.
| | - Rainer H Straub
- Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine I, University Hospital, Regensburg, Germany
| | - Michael T Smith
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
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Dong G, Li H, Gao H, Chen Y, Yang H. Global Trends and Hotspots on Microglia Associated with Pain from 2002 to 2022: A Bibliometric Analysis. J Pain Res 2023; 16:2817-2834. [PMID: 37600079 PMCID: PMC10439805 DOI: 10.2147/jpr.s413028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/28/2023] [Indexed: 08/22/2023] Open
Abstract
Background Researchers have made significant progress in microglia associated with pain in recent years. However, more relevant bibliometric analyses are still needed on trends and directions in this field. The aim of this study is to provide a comprehensive perspective and to predict future directions of pain-related microglia research via bibliometric tools. Methods English articles and reviews related with pain and microglia were extracted from the Web of Science core collection (WosCC) database between 2002 to 2022. Bibliometric tools such as VOSviewer, CiteSpace, and Bibliometrix R package were used to analyze publication characteristics, countries, authors, institutions, journals, research hotspots, and trend topics. Results A total of 2761 articles were included in this analysis. Research on microglia associated with pain has increased significantly over the last two decades. China (n = 1020, 36.94%) and the United States (n = 751, 27.20%) contributed the most in terms of publications and citations, respectively. Kyushu University published the most articles in this field compared to other institutions, and Professor Inoue Kazuhide (n = 54) at this university made outstanding contributions in this field. Molecular Pain (n = 113) was the journal with the most publication, while Journal of Neuroscience had the highest number of citations. According to the authors keywords analysis, the research in this area can be summarized into 7 clusters such as "microglia activation pathways", "pain treatment research", "mental symptoms of chronic pain", and so on. Conclusion This study provides a comprehensive analysis of pain-related microglia research in the past two decades. We identified the countries, institutions, scholars, and journals with the highest number of publications and the most influence in the field, and the research trends identified in this paper may provide new insights for future research.
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Affiliation(s)
- Guoqi Dong
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Hui Li
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Hui Gao
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Yingqi Chen
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
| | - Huayuan Yang
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People’s Republic of China
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Tchetina E, Glemba K, Yunitskaya A, Markova G, Makarov M, Lila A. Cathepsin S Upregulation Measured in the Peripheral Blood Mononuclear Cells Prior to Surgery Points to Postoperative Pain Development in Patients with Hip Osteoarthritis. Diagnostics (Basel) 2023; 13:diagnostics13101739. [PMID: 37238223 DOI: 10.3390/diagnostics13101739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/28/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
Disability caused by hip osteoarthritis has increased due to population aging, obesity, and lifestyle behaviors. Joint failure after conservative therapies results in total hip replacement, which is considered to be one of the most successful interventions. However, some patients experience long-term postoperative pain. Presently, there are no reliable clinical biomarkers for the prognosis of postoperative pain prior to surgery. Molecular biomarkers can be considered as intrinsic indicators of pathological processes and as links between clinical status and disease pathology, while recent innovative and sensitive approaches such as RT-PCR have extended the prognostic value of clinical traits. In light of this, we examined the importance of cathepsin S and proinflammatory cytokine gene expression in peripheral blood in addition to the clinical traits of patients with end-stage hip osteoarthritis (HOA) to predict postoperative pain development prior to surgery. This study included 31 patients with radiographic Kellgren and Lawrence grade III-IV HOA who underwent total hip arthroplasty (THA) and 26 healthy volunteers. Before surgery, a visual analog scale (VAS), DN4, PainDETECT, and the Western Ontario and McMaster Universities osteoarthritis index scores were used for pain and function assessment. Three and six months post-surgery, VAS pain scores of 30 mm and higher were reported. The intracellular protein levels of cathepsin S were measured using ELISA. The expression of the cathepsin S, tumor necrosis factor α, interleukin-1β, and cyclooxygenase-2 genes in peripheral blood mononuclear cells (PBMCs) was assessed using quantitative real-time RT-PCR. Pain persisted in 12 (38.7%) patients after THA. Patients who developed postoperative pain demonstrated significantly higher cathepsin S gene expression in the PBMCs and higher rates of neuropathic pain based on the DN4 testing compared to the other HOA subjects that were examined. No significant differences in proinflammatory cytokine gene expression were noted in either patient cohort prior to THA. The development of postoperative pain in patients with hip osteoarthritis might be associated with disturbances in pain perception, while increased expression of cathepsin S in the peripheral blood prior to surgery may serve as its prognostic biomarker and could be used in clinical settings to improve medical service for patients with end-stage hip OA.
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Affiliation(s)
- Elena Tchetina
- Immunology and Molecular Biology Department, Nasonova Research Institute of Rheumatology, 34A Kashirskoe Shosse, 115522 Moscow, Russia
| | - Kseniya Glemba
- Surgery Department, Nasonova Research Institute of Rheumatology, 34A Kashirskoe Shosse, 115522 Moscow, Russia
| | - Anna Yunitskaya
- Immunology and Molecular Biology Department, Nasonova Research Institute of Rheumatology, 34A Kashirskoe Shosse, 115522 Moscow, Russia
| | - Galina Markova
- Immunology and Molecular Biology Department, Nasonova Research Institute of Rheumatology, 34A Kashirskoe Shosse, 115522 Moscow, Russia
| | - Maksim Makarov
- Surgery Department, Nasonova Research Institute of Rheumatology, 34A Kashirskoe Shosse, 115522 Moscow, Russia
| | - Aleksandr Lila
- Osteoarthritis Laboratory, Nasonova Research Institute of Rheumatology, 34A Kashirskoe Shosse, 115522 Moscow, Russia
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