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Wijesinghe SN, Ditchfield C, Flynn S, Agrawal J, Davis ET, Dajas-Bailador F, Chapman V, Jones SW. Immunomodulation and fibroblast dynamics driving nociceptive joint pain within inflammatory synovium: Unravelling mechanisms for therapeutic advancements in osteoarthritis. Osteoarthritis Cartilage 2024:S1063-4584(24)01267-6. [PMID: 38960140 DOI: 10.1016/j.joca.2024.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/21/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
OBJECTIVE Synovitis is a widely accepted sign of osteoarthritis (OA), characterised by tissue hyperplasia, where increased infiltration of immune cells and proliferation of resident fibroblasts adopt a pro-inflammatory phenotype, and increased the production of pro-inflammatory mediators that are capable of sensitising and activating sensory nociceptors, which innervate the joint tissues. As such, it is important to understand the cellular composition of synovium and their involvement in pain sensitisation to better inform the development of effective analgesics. METHODS Studies investigating pain sensitisation in OA with a focus on immune cells and fibroblasts were identified using PubMed, Web of Science and SCOPUS. RESULTS In this review, we comprehensively assess the evidence that cellular crosstalk between resident immune cells or synovial fibroblasts with joint nociceptors in inflamed OA synovium contributes to peripheral pain sensitisation. Moreover, we explore whether the elucidation of common mechanisms identified in similar joint conditions may inform the development of more effective analgesics specifically targeting OA joint pain. CONCLUSION The concept of local environment and cellular crosstalk within the inflammatory synovium as a driver of nociceptive joint pain presents a compelling opportunity for future research and therapeutic advancements.
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Affiliation(s)
- Susanne N Wijesinghe
- Institute of Inflammation and Ageing, MRC-ARUK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham B15 2TT, UK.
| | - Caitlin Ditchfield
- Institute of Inflammation and Ageing, MRC-ARUK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham B15 2TT, UK.
| | - Sariah Flynn
- Institute of Inflammation and Ageing, MRC-ARUK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham B15 2TT, UK.
| | - Jyoti Agrawal
- School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK.
| | | | | | - Victoria Chapman
- Pain Centre Versus Arthritis, NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham NG7 2UH, UK.
| | - Simon W Jones
- Institute of Inflammation and Ageing, MRC-ARUK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham B15 2TT, UK.
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2
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Jain A, Hakim S, Woolf CJ. Immune drivers of physiological and pathological pain. J Exp Med 2024; 221:e20221687. [PMID: 38607420 PMCID: PMC11010323 DOI: 10.1084/jem.20221687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 09/25/2023] [Accepted: 04/02/2024] [Indexed: 04/13/2024] Open
Abstract
Physiological pain serves as a warning of exposure to danger and prompts us to withdraw from noxious stimuli to prevent tissue damage. Pain can also alert us of an infection or organ dysfunction and aids in locating such malfunction. However, there are instances where pain is purely pathological, such as unresolved pain following an inflammation or injury to the nervous system, and this can be debilitating and persistent. We now appreciate that immune cells are integral to both physiological and pathological pain, and that pain, in consequence, is not strictly a neuronal phenomenon. Here, we discuss recent findings on how immune cells in the skin, nerve, dorsal root ganglia, and spinal cord interact with somatosensory neurons to mediate pain. We also discuss how both innate and adaptive immune cells, by releasing various ligands and mediators, contribute to the initiation, modulation, persistence, or resolution of various modalities of pain. Finally, we propose that the neuroimmune axis is an attractive target for pain treatment, but the challenges in objectively quantifying pain preclinically, variable sex differences in pain presentation, as well as adverse outcomes associated with immune system modulation, all need to be considered in the development of immunotherapies against pain.
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Affiliation(s)
- Aakanksha Jain
- F.M. Kirby Neurobiology Center, Boston Children’s Hospital, Boston, MA, USA
| | - Sara Hakim
- F.M. Kirby Neurobiology Center, Boston Children’s Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Clifford J. Woolf
- F.M. Kirby Neurobiology Center, Boston Children’s Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
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3
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Liu PW, Zhang H, Werley CA, Pichler M, Ryan SJ, Lewarch CL, Jacques J, Grooms J, Ferrante J, Li G, Zhang D, Bremmer N, Barnett A, Chantre R, Elder AE, Cohen AE, Williams LA, Dempsey GT, McManus OB. A phenotypic screening platform for chronic pain therapeutics using all-optical electrophysiology. Pain 2024; 165:922-940. [PMID: 37963235 PMCID: PMC10950549 DOI: 10.1097/j.pain.0000000000003090] [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] [Received: 12/16/2022] [Accepted: 08/30/2023] [Indexed: 11/16/2023]
Abstract
ABSTRACT Chronic pain associated with osteoarthritis (OA) remains an intractable problem with few effective treatment options. New approaches are needed to model the disease biology and to drive discovery of therapeutics. We present an in vitro model of OA pain, where dorsal root ganglion (DRG) sensory neurons were sensitized by a defined mixture of disease-relevant inflammatory mediators, here called Sensitizing PAin Reagent Composition or SPARC. Osteoarthritis-SPARC components showed synergistic or additive effects when applied in combination and induced pain phenotypes in vivo. To measure the effect of OA-SPARC on neural firing in a scalable format, we used a custom system for high throughput all-optical electrophysiology. This system enabled light-based membrane voltage recordings from hundreds of neurons in parallel with single cell and single action potential resolution and a throughput of up to 500,000 neurons per day. A computational framework was developed to construct a multiparameter OA-SPARC neuronal phenotype and to quantitatively assess phenotype reversal by candidate pharmacology. We screened ∼3000 approved drugs and mechanistically focused compounds, yielding data from over 1.2 million individual neurons with detailed assessment of functional OA-SPARC phenotype rescue and orthogonal "off-target" effects. Analysis of confirmed hits revealed diverse potential analgesic mechanisms including ion channel modulators and other mechanisms including MEK inhibitors and tyrosine kinase modulators. Our results suggest that the Raf-MEK-ERK axis in DRG neurons may integrate the inputs from multiple upstream inflammatory mediators found in osteoarthritis patient joints, and MAPK pathway activation in DRG neurons may contribute to chronic pain in patients with osteoarthritis.
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Affiliation(s)
- Pin W. Liu
- Quiver Bioscience, Cambridge, MA, United States
| | | | | | | | | | | | | | | | | | - Guangde Li
- Quiver Bioscience, Cambridge, MA, United States
| | - Dawei Zhang
- Quiver Bioscience, Cambridge, MA, United States
| | | | | | | | | | - Adam E. Cohen
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, United States
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4
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Chen Z, Xiao G, Ao J. Resveratrol Attenuates Rheumatoid Arthritis Induce Neutrophil Extracellular Traps via TLR-4 Mediated Inflammation in C57BL/6 Mice. Physiol Res 2024; 73:91-104. [PMID: 38466008 PMCID: PMC11019621 DOI: 10.33549/physiolres.935172] [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: 06/23/2023] [Accepted: 10/17/2023] [Indexed: 04/26/2024] Open
Abstract
The objective of this study was to evaluate whether RSV inhibits neutrophil extracellular traps (NETs) that induce joint hyperalgesia in C57BL/6 mice after adjuvant-induced arthritis. A subplantar injection of Freund's complete adjuvant was administered to C57BL/6 mice on day 0 for immunization in the AIA model. Resveratrol (RSV, 25 mg/kg) was administered intraperitoneally once daily starting on day 22 and continuing for two weeks. The effects of mechanical hyperalgesia and edema formation have been assessed in addition to histopathological scoring. Mice were sacrificed on day 35 to determine cytokine levels and PADI4 and COX-2 expression levels. ELISA was used to quantify neutrophil extracellular traps (NETs) along with neutrophil elastase-DNA and myeloperoxidase-DNA complexes in neutrophils. An immunohistochemical stain was performed on knee joints to determine the presence of nuclear factor kappa B p65 (NF-kappaB p65). AIA mice were found to have higher levels of NET in joints and their joint cells demonstrated an increased expression of the PADI4 gene. Treatment with RSV in AIA mice (25 mg/kg, i.p.) significantly (P<0.05) inhibited joint hyperalgesia, resulting in a significant increase in mechanical threshold, a decrease in articular edema, a decrease in the production of inflammatory cytokines, increased COX-2 expression, and a decrease in the immunostaining of NF-kappaB. Furthermore, treatment with RSV significantly reduced the amount of neutrophil elastase (NE)-DNA and MPO-DNA complexes, which were used as indicators of NET formation (P<0.05). This study indicates that RSV reduces NET production and hyperalgesia by reducing inflammation mediated by PADI4 and COX-2. According to these data, NETs contribute to joint pain and resveratrol can be used to treat pain in RA through this pathway.
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Affiliation(s)
- Z Chen
- Department of Orthopedics, Wushan County Hospital of TCM, Chongqing, China.
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Abu YF, Singh S, Tao J, Chupikova I, Singh P, Meng J, Roy S. Opioid-induced dysbiosis of maternal gut microbiota during gestation alters offspring gut microbiota and pain sensitivity. Gut Microbes 2024; 16:2292224. [PMID: 38108125 PMCID: PMC10730209 DOI: 10.1080/19490976.2023.2292224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 12/04/2023] [Indexed: 12/19/2023] Open
Abstract
There has been a rapid increase in neonates born with a history of prenatal opioid exposure. How prenatal opioid exposure affects pain sensitivity in offspring is of interest, as this may perpetuate the opioid epidemic. While few studies have reported hypersensitivity to thermal pain, potential mechanisms have not been described. This study posits that alterations in the gut microbiome may underly hypersensitivity to pain in prenatally methadone-exposed 3-week-old male offspring, which were generated using a mouse model of prenatal methadone exposure. Fecal samples collected from dams and their offspring were subjected to 16s rRNA sequencing. Thermal and mechanical pain were assessed using the tail flick and Von Frey assays. Transcriptomic changes in whole brain samples of opioid or saline-exposed offspring were investigated using RNA-sequencing, and midbrain sections from these animals were subjected to qPCR profiling of genes related to neuropathic and inflammatory pain pathways. Prenatal methadone exposure increased sensitivity to thermal and mechanical pain and elevated serum levels of IL-17a. Taxonomical analysis revealed that prenatal methadone exposure resulted in significant alterations in fecal gut microbiota composition, including depletion of Lactobacillus, Bifidobacterium, and Lachnospiracea sp and increased relative abundance of Akkermansia, Clostridium sensu stricto 1, and Lachnoclostridium. Supplementation of the probiotic VSL#3 in dams rescued hypersensitivity to thermal and mechanical pain in prenatally methadone-exposed offspring. Similarly, cross-fostering prenatally methadone-exposed offspring to control dams also attenuated hypersensitivity to thermal pain in opioid-exposed offspring. Modulation of the maternal and neonatal gut microbiome with probiotics resulted in transcriptional changes in genes related to neuropathic and immune-related signaling in whole brain and midbrain samples of prenatally methadone-exposed offspring. Together, our work provides compelling evidence of the gut-brain-axis in mediating pain sensitivity in prenatally opioid-exposed offspring.
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Affiliation(s)
- Yaa F. Abu
- Department of Microbiology and Immunology, University of Miami, Miami, FL, USA
| | - Salma Singh
- Department of Surgery, University of Miami, Miami, FL, USA
| | - Junyi Tao
- Department of Surgery, University of Miami, Miami, FL, USA
| | | | - Praveen Singh
- Department of Surgery, University of Miami, Miami, FL, USA
| | - Jingjing Meng
- Department of Surgery, University of Miami, Miami, FL, USA
| | - Sabita Roy
- Department of Surgery, University of Miami, Miami, FL, USA
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Gao SJ, Liu L, Li DY, Liu DQ, Zhang LQ, Wu JY, Song FH, Zhou YQ, Mei W. Interleukin-17: A Putative Novel Pharmacological Target for Pathological Pain. Curr Neuropharmacol 2024; 22:204-216. [PMID: 37581321 PMCID: PMC10788884 DOI: 10.2174/1570159x21666230811142713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/19/2023] [Accepted: 01/31/2023] [Indexed: 08/16/2023] Open
Abstract
Pathological pain imposes a huge burden on the economy and the lives of patients. At present, drugs used for the treatment of pathological pain have only modest efficacy and are also plagued by adverse effects and risk for misuse and abuse. Therefore, understanding the mechanisms of pathological pain is essential for the development of novel analgesics. Several lines of evidence indicate that interleukin-17 (IL-17) is upregulated in rodent models of pathological pain in the periphery and central nervous system. Besides, the administration of IL-17 antibody alleviated pathological pain. Moreover, IL-17 administration led to mechanical allodynia which was alleviated by the IL-17 antibody. In this review, we summarized and discussed the therapeutic potential of targeting IL-17 for pathological pain. The upregulation of IL-17 promoted the development of pathological pain by promoting neuroinflammation, enhancing the excitability of dorsal root ganglion neurons, and promoting the communication of glial cells and neurons in the spinal cord. In general, the existing research shows that IL-17 is an attractive therapeutic target for pathologic pain, but the underlying mechanisms still need to be investigated.
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Affiliation(s)
- Shao-Jie Gao
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Lin Liu
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Dan-Yang Li
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Dai-Qiang Liu
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Long-Qing Zhang
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jia-Yi Wu
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Fan-He Song
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ya-Qun Zhou
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wei Mei
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
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Wei W, Wu S, Zhou C, Chen T, Zhu J, Feng S, Zhan X, Liu C. Network pharmacology combined with molecular docking and experimental validation to explore the potential mechanism of Cinnamomi ramulus against ankylosing spondylitis. Ann Med 2023; 55:2287193. [PMID: 38019769 PMCID: PMC10836281 DOI: 10.1080/07853890.2023.2287193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 11/20/2023] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND Cinnamomi ramulus (C. ramulus) is frequently employed in the treatment of ankylosing spondylitis (AS). However, the primary constituents, drug targets, and mechanisms of action remain unidentified. METHODS In this study, various public databases and online tools were employed to gather information on the compounds of C. ramulus, drug targets, and disease targets associated with ankylosing spondylitis. The intersection of drug targets and disease targets was then determined to identify the common targets, which were subsequently used to construct a protein-protein interaction (PPI) network using the STRING database. Network analysis and the analysis of hub genes and major compounds were conducted using Cytoscape software. Furthermore, the Metascape platform was utilized for Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. Molecular docking studies and immunohistochemical experiments were performed to validate the core targets. RESULTS The network analysis identified 2-Methoxycinnamaldehyde, cinnamaldehyde, and 2-Hydroxycinnamaldehyde as the major effective compounds present in C. ramulus. The PPI network analysis revealed PTGS2, MMP9, and TLR4 as the most highly correlated targets. GO and KEGG analyses indicated that C. ramulus exerts its therapeutic effects in ankylosing spondylitis through various biological processes, including the response to hormones and peptides, oxidative stress response, and inflammatory response. The main signaling pathways involved were IL-17, TNF, NF-kappa B, and Toll-like receptor pathways. Molecular docking analysis confirmed the strong affinity between the key compounds and the core targets. Additionally, immunohistochemical analysis demonstrated an up-regulation of PTGS2, MMP9, and TLR4 levels in ankylosing spondylitis. CONCLUSIONS This study provides insights into the effective compounds, core targets, and potential mechanisms of action of C. ramulus in the treatment of ankylosing spondylitis. These findings establish a solid groundwork for future fundamental research in this field.
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Affiliation(s)
- Wendi Wei
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Shaofeng Wu
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Chenxing Zhou
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Tianyou Chen
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jichong Zhu
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Sitan Feng
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xinli Zhan
- The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Chong Liu
- The First Affiliated Hospital of Guangxi Medical University, Nanning, 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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Del Vescovo S, Venerito V, Iannone C, Lopalco G. Uncovering the Underworld of Axial Spondyloarthritis. Int J Mol Sci 2023; 24:6463. [PMID: 37047435 PMCID: PMC10095023 DOI: 10.3390/ijms24076463] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/28/2023] [Accepted: 03/28/2023] [Indexed: 04/14/2023] Open
Abstract
Axial spondyloarthritis (axial-SpA) is a multifactorial disease characterized by inflammation in sacroiliac joints and spine, bone reabsorption, and aberrant bone deposition, which may lead to ankylosis. Disease pathogenesis depends on genetic, immunological, mechanical, and bioenvironmental factors. HLA-B27 represents the most important genetic factor, although the disease may also develop in its absence. This MHC class I molecule has been deeply studied from a molecular point of view. Different theories, including the arthritogenic peptide, the unfolded protein response, and HLA-B27 homodimers formation, have been proposed to explain its role. From an immunological point of view, a complex interplay between the innate and adaptive immune system is involved in disease onset. Unlike other systemic autoimmune diseases, the innate immune system in axial-SpA has a crucial role marked by abnormal activity of innate immune cells, including γδ T cells, type 3 innate lymphoid cells, neutrophils, and mucosal-associated invariant T cells, at tissue-specific sites prone to the disease. On the other hand, a T cell adaptive response would seem involved in axial-SpA pathogenesis as emphasized by several studies focusing on TCR low clonal heterogeneity and clonal expansions as well as an interindividual sharing of CD4/8 T cell receptors. As a result of this immune dysregulation, several proinflammatory molecules are produced following the activation of tangled intracellular pathways involved in pathomechanisms of axial-SpA. This review aims to expand the current understanding of axial-SpA pathogenesis, pointing out novel molecular mechanisms leading to disease development and to further investigate potential therapeutic targets.
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Affiliation(s)
- Sergio Del Vescovo
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Polyclinic Hospital, University of Bari, 70124 Bari, Italy
| | - Vincenzo Venerito
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Polyclinic Hospital, University of Bari, 70124 Bari, Italy
| | - Claudia Iannone
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, 20122 Milan, Italy
| | - Giuseppe Lopalco
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Polyclinic Hospital, University of Bari, 70124 Bari, Italy
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10
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Di Maio G, Villano I, Ilardi CR, Messina A, Monda V, Iodice AC, Porro C, Panaro MA, Chieffi S, Messina G, Monda M, La Marra M. Mechanisms of Transmission and Processing of Pain: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3064. [PMID: 36833753 PMCID: PMC9964506 DOI: 10.3390/ijerph20043064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Knowledge about the mechanisms of transmission and the processing of nociceptive information, both in healthy and pathological states, has greatly expanded in recent years. This rapid progress is due to a multidisciplinary approach involving the simultaneous use of different branches of study, such as systems neurobiology, behavioral analysis, genetics, and cell and molecular techniques. This narrative review aims to clarify the mechanisms of transmission and the processing of pain while also taking into account the characteristics and properties of nociceptors and how the immune system influences pain perception. Moreover, several important aspects of this crucial theme of human life will be discussed. Nociceptor neurons and the immune system play a key role in pain and inflammation. The interactions between the immune system and nociceptors occur within peripheral sites of injury and the central nervous system. The modulation of nociceptor activity or chemical mediators may provide promising novel approaches to the treatment of pain and chronic inflammatory disease. The sensory nervous system is fundamental in the modulation of the host's protective response, and understanding its interactions is pivotal in the process of revealing new strategies for the treatment of pain.
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Affiliation(s)
- Girolamo Di Maio
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Ines Villano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Ciro Rosario Ilardi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Department of Psychology, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy
| | - Antonietta Messina
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Vincenzo Monda
- Department of Movement Sciences and Wellbeing, University of Naples “Parthenope”, 80133 Naples, Italy
| | - Ashlei Clara Iodice
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, Viale Pinto, 71100 Foggia, Italy
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, 70125 Bari, Italy
| | - Sergio Chieffi
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, Viale Pinto, 71100 Foggia, Italy
| | - Marcellino Monda
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Marco La Marra
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
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11
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Kourbanova K, Alexandre C, Latremoliere A. Effect of sleep loss on pain-New conceptual and mechanistic avenues. Front Neurosci 2022; 16:1009902. [PMID: 36605555 PMCID: PMC9807925 DOI: 10.3389/fnins.2022.1009902] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Introduction Sleep disturbances increase pain sensitivity in clinical and preclinical settings, but the precise mechanisms are unknown. This represents a major public health issue because of the growing sleep deficiency epidemic fueled by modern lifestyle. To understand the neural pathways at the intersection between sleep and pain processes, it is critical to determine the precise nature of the sleep disruptions that increase pain and the specific component of the pain response that is targeted. Methods We performed a review of the literature about sleep disturbances and pain sensitivity in humans and rodents by taking into consideration the targeted sleep stage (REMS, non-NREMS, or both), the amount of sleep lost, and the different types of sleep disruptions (partial or total sleep loss, duration, sleep fragmentation or interruptions), and how these differences might affect distinct components of the pain response. Results We find that the effects of sleep disturbances on pain are highly conserved among species. The major driver for pain hypersensitivity appears to be the total amount of sleep lost, while REMS loss by itself does not seem to have a direct effect on pain sensitivity. Sleep loss caused by extended wakefulness preferentially increases pain perception, whereas interrupted and limited sleep strongly dysregulates descending controls such as DNIC, especially in women. Discussion We discuss the possible mechanisms involved, including an increase in inflammatory processes, a loss of nociceptive inhibitory pathways, and a defect in the cognitive processing of noxious input.
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Affiliation(s)
- Kamila Kourbanova
- Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD, United States,Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Chloe Alexandre
- Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD, United States,Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, United States,Chloe Alexandre
| | - Alban Latremoliere
- Department of Neurosurgery, Neurosurgery Pain Research Institute, Johns Hopkins School of Medicine, Baltimore, MD, United States,Department of Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, United States,*Correspondence: Alban Latremoliere
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12
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Vieira TN, Saraiva ALL, Guimarães RM, Luiz JPM, Pinto LG, de Melo Rodrigues Ávila V, Goulart LR, Cunha-Junior JP, McNaughton PA, Cunha TM, Ferreira J, Silva CR. Angiotensin type 2 receptor antagonism as a new target to manage gout. Inflammopharmacology 2022; 30:2399-2410. [PMID: 36173505 DOI: 10.1007/s10787-022-01076-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 09/15/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND There is a growing search for therapeutic targets in the treatment of gout. The present study aimed to evaluate the analgesic and anti-inflammatory potential of angiotensin type 2 receptor (AT2R) antagonism in an acute gout attack mouse model. METHODS Male wild-type (WT) C57BL/6 mice either with the AT2R antagonist, PD123319 (10 pmol/joint), or with vehicle injections, or AT2R KO mice, received intra-articular (IA) injection of monosodium urate (MSU) crystals (100 µg/joint), that induce the acute gout attack, and were tested for mechanical allodynia, thermal hyperalgesia, spontaneous nociception and ankle edema development at several times after the injections. To test an involvement of AT2R in joint pain, mice received an IA administration of angiotensin II (0.05-5 nmol/joint) with or without PD123319, and were also evaluated for pain and edema development. Ankle joint tissue samples from mice undergoing the above treatments were assessed for myeloperoxidase activity, IL-1β release, mRNA expression analyses and nitrite/nitrate levels, 4 h after injections. RESULTS AT2R antagonism has robust antinociceptive effects on mechanical allodynia (44% reduction) and spontaneous nociception (56%), as well as anti-inflammatory effects preventing edema formation (45%), reducing myeloperoxidase activity (54%) and IL-1β levels (32%). Additionally, Agtr2tm1a mutant mice have largely reduced painful signs of gout. Angiotensin II administration causes pain and inflammation, which was prevented by AT2R antagonism, as observed in mechanical allodynia 4 h (100%), spontaneous nociception (46%), cold nociceptive response (54%), edema formation (83%), myeloperoxidase activity (48%), and IL-1β levels (89%). PD123319 treatment also reduces NO concentrations (74%) and AT2R mRNA levels in comparison with MSU untreated mice. CONCLUSION Our findings show that AT2R activation contributes to acute pain in experimental mouse models of gout. Therefore, the antagonism of AT2R may be a potential therapeutic option to manage gout arthritis.
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Affiliation(s)
- Thiago Neves Vieira
- Graduate Program in Genetics and Biochemistry, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - André L Lopes Saraiva
- Graduate Program in Genetics and Biochemistry, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - Rafaela Mano Guimarães
- Center for Research in Inflammatory Diseases (CRID), Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - João Paulo Mesquita Luiz
- Center for Research in Inflammatory Diseases (CRID), Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Larissa Garcia Pinto
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, SE1 1UL, UK
| | - Veridiana de Melo Rodrigues Ávila
- Graduate Program in Genetics and Biochemistry, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - Luiz Ricardo Goulart
- Graduate Program in Genetics and Biochemistry, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil
| | - Jair Pereira Cunha-Junior
- Department of Immunology, Institute of Sciences Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, 38405-318, Brazil
| | - Peter Anthony McNaughton
- Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London, SE1 1UL, UK
| | - Thiago Mattar Cunha
- Center for Research in Inflammatory Diseases (CRID), Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Juliano Ferreira
- Graduated Program in Pharmacology, Pharmacology Department, Federal University of Santa Catarina (UFSC), Florianopolis, SC, 88049-900, Brazil
| | - Cassia Regina Silva
- Graduate Program in Genetics and Biochemistry, Institute of Biotechnology, Federal University of Uberlândia, Uberlândia, MG, 38408-100, Brazil.
- LABITOX, Post-Graduated Program in Genetics and Biochemistry, Biotechnology Institute, Federal University of Uberlândia, Av. Pará 1720-Campus Umuarama, Jardim Umuarama-Bloco 2E-Officeroom 224, Uberlândia, MG, 38408-100, Brazil.
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13
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Malange KF, Navia-Pelaez JM, Dias EV, Lemes JBP, Choi SH, Dos Santos GG, Yaksh TL, Corr M. Macrophages and glial cells: Innate immune drivers of inflammatory arthritic pain perception from peripheral joints to the central nervous system. FRONTIERS IN PAIN RESEARCH 2022; 3:1018800. [PMID: 36387416 PMCID: PMC9644179 DOI: 10.3389/fpain.2022.1018800] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 10/03/2022] [Indexed: 07/22/2023] Open
Abstract
Millions of people suffer from arthritis worldwide, consistently struggling with daily activities due to debilitating pain evoked by this disease. Perhaps the most intensively investigated type of inflammatory arthritis is rheumatoid arthritis (RA), where, despite considerable advances in research and clinical management, gaps regarding the neuroimmune interactions that guide inflammation and chronic pain in this disease remain to be clarified. The pain and inflammation associated with arthritis are not isolated to the joints, and inflammatory mechanisms induced by different immune and glial cells in other tissues may affect the development of chronic pain that results from the disease. This review aims to provide an overview of the state-of-the-art research on the roles that innate immune, and glial cells play in the onset and maintenance of arthritis-associated pain, reviewing nociceptive pathways from the joint through the dorsal root ganglion, spinal circuits, and different structures in the brain. We will focus on the cellular mechanisms related to neuroinflammation and pain, and treatments targeting these mechanisms from the periphery and the CNS. A comprehensive understanding of the role these cells play in peripheral inflammation and initiation of pain and the central pathways in the spinal cord and brain will facilitate identifying new targets and pathways to aide in developing therapeutic strategies to treat joint pain associated with RA.
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Affiliation(s)
- Kaue Franco Malange
- Department of Anesthesiology, University of California, San Diego, CA, United States
| | | | - Elayne Vieira Dias
- Department of Neurology, University of California, San Francisco, CA, United States
| | | | - Soo-Ho Choi
- Department of Medicine, University of California, San Diego, CA, United States
| | | | - Tony L. Yaksh
- Department of Anesthesiology, University of California, San Diego, CA, United States
| | - Maripat Corr
- Department of Medicine, University of California, San Diego, CA, United States
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14
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Jiang X, Zhou R, Zhang Y, Zhu T, Li Q, Zhang W. Interleukin-17 as a potential therapeutic target for chronic pain. Front Immunol 2022; 13:999407. [PMID: 36248896 PMCID: PMC9556763 DOI: 10.3389/fimmu.2022.999407] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Chronic pain remains to be a clinical challenge and is recognized as a major health problem with varying impacts on quality of life. Currently, the first-line therapy for chronic pain is opioids, which are often accompanied by unwanted psychoactive side effects. Thus, new and effective treatments for chronic pain are urgently needed and eagerly pursued. Inflammatory cytokines, especially interleukin-17 (IL-17), are reportedly potential therapeutic targets owing to their pivotal role in chronic pain from the neuroinflammation perspective. Recently, substantial evidence confirmed that IL-17 and IL-17 receptors (IL-17Rs) were increased in neuropathic, inflammatory, and cancer pain models. Notably, IL-17/IL-17R antibodies also reportedly relieve or cure inflammatory- and pain-related diseases. However, existing studies have reported controversial results regarding IL-17/IL-17Rs as potential therapeutic targets in diverse animal models of chronic pain. In this review, we present a summary of published studies and discuss the evidence, from basic to clinical to research, regarding the role and mechanism of action between IL-17 and diverse kinds of chronic pain in animal models and clinical patients. Furthermore, we evaluated IL-17-based therapy as a potential therapeutic strategy for inflammatory- and pain-related disease. Importantly, we also discussed clinical trials of IL-17/IL-17R targeting monoclonal antibodies. Overall, we found that IL-17 is a potential therapeutic target for chronic pain from the perspective of neuroinflammation.
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Affiliation(s)
- Xiaojuan Jiang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Ruihao Zhou
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Yujun Zhang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Zhu
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Qian Li
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Qian Li, ; Weiyi Zhang,
| | - Weiyi Zhang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Qian Li, ; Weiyi Zhang,
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15
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Serum netrin-1 and netrin receptor levels in fibromyalgia and osteoarthritis. Turk J Phys Med Rehabil 2022; 68:238-245. [PMID: 35989959 PMCID: PMC9366496 DOI: 10.5606/tftrd.2022.8114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 09/11/2021] [Indexed: 11/21/2022] Open
Abstract
Objectives: This study aims to define serum levels of netrin-1 and netrin receptors in patients with fibromyalgia (FM) and osteoarthritis (OA).
Patients and methods: This cross-sectional study was conducted with a total of 150 female participants (mean age: 47.2±16.1 years; range, 18 to 89 years) at Fırat University between June 2016 and December 2016. The participants were evaluated in three groups: the FM group with 50 patients, the OA group with 50 patients, and the control group, which included 50 healthy volunteers. Netrin-1, netrin receptors (DCC, UNC5B, and UNC5D), interleukin (IL)-6, IL-10, and IL-17 levels were analyzed by the enzyme-linked immunosorbent assay from the serum samples of the participants.
Results: The level of serum netrin-1 was significantly lower in the FM group than in the control and OA groups (p<0.01 and p<0.001, respectively). However, the difference between patients with OA and healthy controls in terms of netrin-1 was not statistically significant (p>0.05). In addition, serum levels of netrin receptors and cytokines in the FM group were similar to the control group (p>0.05). However, serum DCC, UNC5D, IL-6, and IL-10 levels were higher in the OA group compared to the control group (p<0.001, p<0.05, p<0.01, and p<0.001, respectively).
Conclusion: Serum netrin-1 level is suppressed in FM, which suggests that netrin-1 is influential in FM pathogenesis.
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16
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Bertheloot D, Wanderley CW, Schneider AH, Schiffelers LD, Wuerth JD, Tödtmann JM, Maasewerd S, Hawwari I, Duthie F, Rohland C, Ribeiro LS, Jenster LM, Rosero N, Tesfamariam YM, Cunha FQ, Schmidt FI, Franklin BS. Nanobodies dismantle post-pyroptotic ASC specks and counteract inflammation in vivo. EMBO Mol Med 2022; 14:e15415. [PMID: 35438238 PMCID: PMC9174887 DOI: 10.15252/emmm.202115415] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 02/06/2023] Open
Abstract
Inflammasomes sense intracellular clues of infection, damage, or metabolic imbalances. Activated inflammasome sensors polymerize the adaptor ASC into micron‐sized “specks” to maximize caspase‐1 activation and the maturation of IL‐1 cytokines. Caspase‐1 also drives pyroptosis, a lytic cell death characterized by leakage of intracellular content to the extracellular space. ASC specks are released among cytosolic content, and accumulate in tissues of patients with chronic inflammation. However, if extracellular ASC specks contribute to disease, or are merely inert remnants of cell death remains unknown. Here, we show that camelid‐derived nanobodies against ASC (VHHASC) target and disassemble post‐pyroptotic inflammasomes, neutralizing their prionoid, and inflammatory functions. Notably, pyroptosis‐driven membrane perforation and exposure of ASC specks to the extracellular environment allowed VHHASC to target inflammasomes while preserving pre‐pyroptotic IL‐1β release, essential to host defense. Systemically administrated mouse‐specific VHHASC attenuated inflammation and clinical gout, and antigen‐induced arthritis disease. Hence, VHHASC neutralized post‐pyroptotic inflammasomes revealing a previously unappreciated role for these complexes in disease. VHHASC are the first biologicals that disassemble pre‐formed inflammasomes while preserving their functions in host defense.
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Affiliation(s)
- Damien Bertheloot
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Carlos Ws Wanderley
- Center for Research in Inflammatory Diseases (CRID), Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil.,Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Ayda H Schneider
- Center for Research in Inflammatory Diseases (CRID), Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil.,Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Lisa Dj Schiffelers
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Jennifer D Wuerth
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Jan Mp Tödtmann
- Core Facility Nanobodies, Medical Faculty, University of Bonn, Bonn, Germany
| | - Salie Maasewerd
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Ibrahim Hawwari
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Fraser Duthie
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Cornelia Rohland
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Lucas S Ribeiro
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Lea-Marie Jenster
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Nathalia Rosero
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Yonas M Tesfamariam
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
| | - Fernando Q Cunha
- Center for Research in Inflammatory Diseases (CRID), Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil.,Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Florian I Schmidt
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany.,Core Facility Nanobodies, Medical Faculty, University of Bonn, Bonn, Germany
| | - Bernardo S Franklin
- Institute of Innate Immunity, Medical Faculty, University of Bonn, Bonn, Germany
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17
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Cramer A, Galvão I, Venturini de Sá N, Gaio P, Fernanda de Melo Oliveira N, Rates Gonzaga Santos M, Henrique Campolina-Silva G, Vinicius Santos Valiate B, Rezende Souza F, Dantas Cassali G, Martins Teixeira M, Almeida Amaral F, Simão Machado F. Role of Suppressor of cytokine signaling 2 during the development and resolution of an experimental arthritis. Cell Immunol 2022; 372:104476. [DOI: 10.1016/j.cellimm.2021.104476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 12/15/2021] [Accepted: 12/31/2021] [Indexed: 01/31/2023]
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18
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Lasagni Vitar RM, Bonelli F, Rama P, Ferrari G. Immunity and pain in the eye: focus on the ocular surface. Clin Exp Immunol 2021; 207:149-163. [PMID: 35020868 PMCID: PMC8982975 DOI: 10.1093/cei/uxab032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/21/2021] [Accepted: 12/10/2021] [Indexed: 02/03/2023] Open
Abstract
Most ocular diseases are associated with pain. While pain has been generally considered a mere (deleterious) additional symptom, it is now emerging that it is a key modulator of innate/adaptive immunity. Because the cornea receives the highest nerve density of the entire body, it is an ideal site to demonstrate interactions between pain and the immune response. Indeed, most neuropeptides involved in pain generation are also potent regulators of innate and adaptive leukocyte physiology. On the other hand, most inflammatory cells can modulate the generation of ocular pain through release of specific mediators (cytokines, chemokines, growth factors, and lipid mediators). This review will discuss the reciprocal role(s) of ocular surface (and specifically: corneal) pain on the immune response of the eye. Finally, we will discuss the clinical implications of such reciprocal interactions in the context of highly prevalent corneal diseases.
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Affiliation(s)
- Romina Mayra Lasagni Vitar
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Filippo Bonelli
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Paolo Rama
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giulio Ferrari
- Cornea and Ocular Surface Disease Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy,Correspondence: Giulio Ferrari, Cornea and Ocular Surface Unit, Eye Repair Lab, IRCCS San Raffaele Scientific Institute, Milan, Italy. E-mail:
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19
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Schneider AH, Machado CC, Veras FP, Maganin AGDM, de Souza FFL, Barroso LC, de Oliveira RDR, Alves-Filho JC, Cunha TM, Fukada SY, Louzada-Júnior P, da Silva TA, Cunha FQ. Neutrophil extracellular traps mediate joint hyperalgesia induced by immune inflammation. Rheumatology (Oxford) 2021; 60:3461-3473. [PMID: 33367912 DOI: 10.1093/rheumatology/keaa794] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 10/19/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To evaluate the role of neutrophil extracellular traps (NETs) in the genesis of joint hyperalgesia using an experimental model of arthritis and transpose the findings to clinical investigation. METHODS C57BL/6 mice were subjected to antigen-induced arthritis (AIA) and treated with Pulmozyme (PLZ) to degrade NETs or Cl-amidine to inhibit NET production. Oedema formation, the histopathological score and mechanical hyperalgesia were evaluated. NETs were injected intra-articularly in wild type (WT), Tlr4-/-, Tlr9-/-, Tnfr1-/- and Il1r-/- mice, and the levels of cytokines and Cox2 expression were quantified. NETs were also quantified from human neutrophils isolated from RA patients and individual controls. RESULTS AIA mice had increased NET concentration in joints, accompanied by increased Padi4 gene expression in the joint cells. Treatment of AIA mice with a peptidyl arginine deiminase 4 inhibitor or with PLZ inhibited the joint hyperalgesia. Moreover, the injection of NETs into joints of naïve animals generated a dose-dependent reduction of mechanical threshold, an increase of articular oedema, inflammatory cytokine production and cyclooxygenase-2 expression. In mice deficient for Tnfr1, Il1r, Tlr4 and Tlr9, joint hyperalgesia induced by NETs was prevented. Last, we found that neutrophils from RA patients were more likely to release NETs, and the increase in synovial fluid NET concentration correlated with an increase in joint pain. CONCLUSION The findings indicate that NETs cause hyperalgesia possibly through Toll-like receptor (TLR)-4 and TLR-9. These data support the idea that NETs contribute to articular pain, and this pathway can be an alternative target for the treatment of pain in RA.
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Affiliation(s)
- Ayda Henriques Schneider
- Center of Research of Inflammatory Diseases, CRID.,Department of Pharmacology, Ribeirão Preto Medical School
| | - Caio Cavalcante Machado
- Center of Research of Inflammatory Diseases, CRID.,Department of Medicine, Clinical Immunology Division, Medicine Faculty of Ribeirão Preto
| | - Flávio Protásio Veras
- Center of Research of Inflammatory Diseases, CRID.,Department of Pharmacology, Ribeirão Preto Medical School
| | | | - Flávio Falcão Lima de Souza
- Center of Research of Inflammatory Diseases, CRID.,Department of Medicine, Clinical Immunology Division, Medicine Faculty of Ribeirão Preto
| | - Lívia Corrêa Barroso
- Center of Research of Inflammatory Diseases, CRID.,Department of Medicine, Clinical Immunology Division, Medicine Faculty of Ribeirão Preto
| | - Renê Donizeti Ribeiro de Oliveira
- Center of Research of Inflammatory Diseases, CRID.,Department of Medicine, Clinical Immunology Division, Medicine Faculty of Ribeirão Preto
| | - José Carlos Alves-Filho
- Center of Research of Inflammatory Diseases, CRID.,Department of Pharmacology, Ribeirão Preto Medical School
| | - Thiago Mattar Cunha
- Center of Research of Inflammatory Diseases, CRID.,Department of Pharmacology, Ribeirão Preto Medical School
| | - Sandra Yasuyo Fukada
- Center of Research of Inflammatory Diseases, CRID.,Department of Bio Molecular Sciences, School of Pharmaceutical Science, University of São Paulo, Ribeirão Preto, São Paulo
| | - Paulo Louzada-Júnior
- Center of Research of Inflammatory Diseases, CRID.,Department of Medicine, Clinical Immunology Division, Medicine Faculty of Ribeirão Preto
| | - Tarcília Aparecida da Silva
- Center of Research of Inflammatory Diseases, CRID.,Department of Oral Surgery and Pathology, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Fernando Queiroz Cunha
- Center of Research of Inflammatory Diseases, CRID.,Department of Pharmacology, Ribeirão Preto Medical School
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20
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Hydroquinone Exposure Worsens Rheumatoid Arthritis through the Activation of the Aryl Hydrocarbon Receptor and Interleukin-17 Pathways. Antioxidants (Basel) 2021; 10:antiox10060929. [PMID: 34200499 PMCID: PMC8229175 DOI: 10.3390/antiox10060929] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/19/2021] [Accepted: 05/31/2021] [Indexed: 12/14/2022] Open
Abstract
Rheumatoid arthritis (RA) development is strongly associated with cigarette smoke exposure, which activates the aryl hydrocarbon receptor (AhR) as a trigger for Th17 inflammatory pathways. We previously demonstrated that the exposure to hydroquinone (HQ), one of the major compounds of cigarette tar, aggravates the arthritis symptomatology in rats. However, the mechanisms related to the HQ-related RA still remain elusive. Cell viability, cytokine secretion, and gene expression were measured in RA human fibroblast-like synoviocytes (RAHFLS) treated with HQ and stimulated or not with TNF-α. Antigen-induced arthritis (AIA) was also elicited in wild type (WT), AhR −/− or IL-17R −/− C57BL/6 mice upon daily exposure to nebulized HQ (25ppm) between days 15 to 21. At day 21, mice were challenged with mBSA and inflammatory parameters were assessed. The in vitro HQ treatment up-regulated TNFR1, TNFR2 expression, and increased ROS production. The co-treatment of HQ and TNF-α enhanced the IL-6 and IL-8 secretion. However, the pre-incubation of RAHFLS with an AhR antagonist inhibited the HQ-mediated cell proliferation and gene expression profile. About the in vivo approach, the HQ exposure worsened the AIA symptoms (edema, pain, cytokines secretion and NETs formation) in WT mice. These AIA effects were abolished in HQ-exposed AhR −/− and IL-17R −/− animals though. Our data demonstrated the harmful HQ influence over the onset of arthritis through the activation and proliferation of synoviocytes. The HQ-related RA severity was also associated with the activation of AhR and IL-17 pathways, highlighting how cigarette smoke compounds can contribute to the RA progression.
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21
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Símaro GV, Lemos M, Mangabeira da Silva JJ, Ribeiro VP, Arruda C, Schneider AH, Wagner de Souza Wanderley C, Carneiro LJ, Mariano RL, Ambrósio SR, Faloni de Andrade S, Banderó-Filho VC, Sasse A, Sheridan H, Andrade E Silva ML, Bastos JK. Antinociceptive and anti-inflammatory activities of Copaifera pubiflora Benth oleoresin and its major metabolite ent-hardwickiic acid. JOURNAL OF ETHNOPHARMACOLOGY 2021; 271:113883. [PMID: 33508366 DOI: 10.1016/j.jep.2021.113883] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 01/13/2021] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Copaifera species folkloric names are "copaíbas, copaibeiras, copaívas or oil stick", which are widely used in Brazilian folk medicine. Among all ethnopharmacological applications described for Copaifera spp oleoresins, their anti-inflammatory effect stands out. However, the knowledge of anti-inflammatory and antinociceptive properties of Copaifera pubiflora Benth is scarce. AIM OF THE STUDY To investigate the cytotoxic, anti-inflammatory, and antinociceptive activities of C. pubiflora oleoresin (CPO), and its major compound ent-hardwickiic acid (HA). MATERIAL AND METHODS The phosphatase assay was used to evaluate the cytotoxicity of CPO and HA in three different cell lines. CPO and HA doses of 1, 3, and 10 mg/kg were employed in the biological assays. The assessment of motor activity was performed using open-field and rotarod tests. Anti-inflammatory activity of CPO and HA was assessed through luciferase assay, measurement of INF-γ, IL-1β, IL-6, IL-10, and TNF-α in a multi-spot system with the immortalized cell line THP-1, zymosan-induced arthritis, and carrageenan-induced paw edema. Acetic acid-induced abdominal writhing and formalin tests were undertaken to evaluate the antinociceptive potential of CPO and HA. In addition, the evaluation using carrageenan was performed to investigate the effect of CPO in pain intensity to a mechanical stimulus (mechanical hyperalgesia), using the von Frey filaments. A tail-flick test was used to evaluate possible central CPO and HA actions. RESULTS In the cytotoxicity evaluation, CPO and HA were not cytotoxic to the cell lines tested. CPO and HA (10 mg/kg) did not affect animals' locomotor capacity in both open-field and rotarod tests. In the luciferase assay, CPO and HA significantly reduced luciferase activity (p < 0.05). This reduction indicates a decrease in NF-κB activity. HA and CPO decreased INF-γ, IL-1β, IL-6, IL-10, and TNF-α at 24 and 72 h in the multi-spot system. In zymosan-induced arthritis, CPO and HA decreased the number of neutrophils in the joint of arthritic mice and the number of total leukocytes (p < 0.05). In experimental arthritis HA significantly decreased joint swelling (p < 0.05). CPO and HA also increased the mechanical threshold during experimental arthritis. HA and CPO significantly inhibited the carrageenan-induced paw edema, being the doses of 10 mg/kg the most effective, registering maximum inhibitions of 58 ± 8% and 76 ± 6% respectively, p < 0.05. CPO and HA reduced the nociceptive behavior in both phases of formalin at all tested doses. The highest doses tested displayed inhibitions of 87 ± 1% and 72 ± 4%, respectively, p < 0.001, in the first phase, and 87 ± 1% and 81 ± 2%, respectively, p < 0.001, in the second phase. Oral treatment of CPO and HA (1, 3, 10 mg/kg) significantly reduced the nociceptive response in acetic acid-induced abdominal writhings, and the 10 mg/kg dose was the most effective with maximum inhibitions of 86 ± 2% and 82 ± 1%, respectively, p < 0.001. Both HA and CPO significantly decreased the intensity of mechanical inflammatory hyper-nociception on carrageenan-induced hyperalgesia at all tested doses, and 10 mg/kg was the most effective dose with maximum inhibitions of 73 ± 5% and 74 ± 7%, respectively, p < 0.05.CPO increased the tail-flick latencies in mice, and concomitant administration of naloxone partially reduced its effect. CONCLUSIONS CPO and HA may inhibit the production of inflammatory cytokines by suppressing the NF-κB signaling pathway, resulting in anti-inflammatory and antinociceptive activities.
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Affiliation(s)
- Guilherme Venâncio Símaro
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café S/N, 14040-930, Ribeirão Preto, SP, Brazil
| | - Marivane Lemos
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café S/N, 14040-930, Ribeirão Preto, SP, Brazil
| | - Jonas Joaquim Mangabeira da Silva
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café S/N, 14040-930, Ribeirão Preto, SP, Brazil
| | - Victor Pena Ribeiro
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café S/N, 14040-930, Ribeirão Preto, SP, Brazil
| | - Caroline Arruda
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café S/N, 14040-930, Ribeirão Preto, SP, Brazil
| | - Ayda Henriques Schneider
- Ribeirão Preto Medical School, University of São Paulo, Av Bandeirantes S/N, 14049-900, Ribeirão Preto, SP, Brazil
| | | | - Luiza Junqueira Carneiro
- Núcleo de Ciências Exatas e Tecnológicas, Universidade de Franca, Avenida Dr. Armando Salles de Oliveira, 2001, 14404-600 Franca, SP, Brazil
| | - Roberta Lopes Mariano
- Núcleo de Ciências Exatas e Tecnológicas, Universidade de Franca, Avenida Dr. Armando Salles de Oliveira, 2001, 14404-600 Franca, SP, Brazil
| | - Sérgio Ricardo Ambrósio
- Núcleo de Ciências Exatas e Tecnológicas, Universidade de Franca, Avenida Dr. Armando Salles de Oliveira, 2001, 14404-600 Franca, SP, Brazil
| | - Sérgio Faloni de Andrade
- Universidade Lusófona, CBIOS, Research Center for Biosciences and Health Technologies, Av. Campo Grande 376, 1749-024, Lisboa, Portugal
| | - Vilmar C Banderó-Filho
- Universidade Lusófona, CBIOS, Research Center for Biosciences and Health Technologies, Av. Campo Grande 376, 1749-024, Lisboa, Portugal
| | - Astrid Sasse
- NatPro Centre, School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
| | - Helen Sheridan
- NatPro Centre, School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, University of Dublin, Dublin 2, Ireland
| | - Márcio Luis Andrade E Silva
- Núcleo de Ciências Exatas e Tecnológicas, Universidade de Franca, Avenida Dr. Armando Salles de Oliveira, 2001, 14404-600 Franca, SP, Brazil
| | - Jairo Kenupp Bastos
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café S/N, 14040-930, Ribeirão Preto, SP, Brazil.
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22
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Yun H, Yee MB, Lathrop KL, Kinchington PR, Hendricks RL, St Leger AJ. Production of the Cytokine VEGF-A by CD4 + T and Myeloid Cells Disrupts the Corneal Nerve Landscape and Promotes Herpes Stromal Keratitis. Immunity 2021; 53:1050-1062.e5. [PMID: 33207210 DOI: 10.1016/j.immuni.2020.10.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 08/11/2020] [Accepted: 10/16/2020] [Indexed: 12/14/2022]
Abstract
Herpes simplex virus type 1 (HSV-1)-infected corneas can develop a blinding immunoinflammatory condition called herpes stromal keratitis (HSK), which involves the loss of corneal sensitivity due to retraction of sensory nerves and subsequent hyperinnervation with sympathetic nerves. Increased concentrations of the cytokine VEGF-A in the cornea are associated with HSK severity. Here, we examined the impact of VEGF-A on neurologic changes that underly HSK using a mouse model of HSV-1 corneal infection. Both CD4+ T cells and myeloid cells produced pathogenic levels of VEGF-A within HSV-1-infected corneas, and CD4+ cell depletion promoted reinnervation of HSK corneas with sensory nerves. In vitro, VEGF-A from infected corneas repressed sensory nerve growth and promoted sympathetic nerve growth. Neutralizing VEGF-A in vivo using bevacizumab inhibited sympathetic innervation, promoted sensory nerve regeneration, and alleviated disease. Thus, VEGF-A can shape the sensory and sympathetic nerve landscape within the cornea, with implications for the treatment of blinding corneal disease.
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Affiliation(s)
- Hongmin Yun
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Michael B Yee
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Kira L Lathrop
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Department of Bioengineering, Swanson School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Paul R Kinchington
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Department of Molecular Microbiology and Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Robert L Hendricks
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Department of Molecular Microbiology and Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Anthony J St Leger
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
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23
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Tauber M, Wang F, Kim B, Gaudenzio N. Bidirectional sensory neuron-immune interactions: a new vision in the understanding of allergic inflammation. Curr Opin Immunol 2021; 72:79-86. [PMID: 33873125 DOI: 10.1016/j.coi.2021.03.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/17/2021] [Accepted: 03/19/2021] [Indexed: 10/21/2022]
Abstract
Peripheral neurons (including sensory neurons) are ubiquitously distributed in all tissues, particularly at the interface with the environment. The primary function of sensory neurons is the transmission of sensations of temperature, pain and itch to elicit appropriate behavioral responses. More recently, sensory neurons have emerged as potent regulators of type 2 immune responses and allergic inflammation. There is increasing evidence showing that neurons can express receptors previously thought to be restricted to the immune compartment. In addition, certain subtypes of immune cells (e.g. mast cells, ILC2s or macrophages) also express specific neuroreceptors that provide them with the capacity to integrate neuron-derived signals and modulate their activation status during the development of allergic inflammation.
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Affiliation(s)
- Marie Tauber
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Inserm UMR1291 CNRS UMR5051, University of Toulouse III, Toulouse, France; Department of Dermatology, Toulouse University Hospital, France
| | - Fang Wang
- Center for the Study of Itch and Sensory Disorders, Washington University School of Medicine, St. Louis, MO 63110, USA; Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Dermatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Brian Kim
- Center for the Study of Itch and Sensory Disorders, Washington University School of Medicine, St. Louis, MO 63110, USA; Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
| | - Nicolas Gaudenzio
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Inserm UMR1291 CNRS UMR5051, University of Toulouse III, Toulouse, France.
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24
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Pathan EMI, Inman RD. Pain in Axial Spondyloarthritis: Insights from Immunology and Brain Imaging. Rheum Dis Clin North Am 2021; 47:197-213. [PMID: 33781490 DOI: 10.1016/j.rdc.2020.12.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Inflammatory back pain is characteristic of spondyloarthritis (SpA); however, this pain may not respond to treatment with NSAIDs or biologics. Pain is multifactorial and a combination of mechanical and inflammatory factors. A growing body of literature examines the impact of emotions on pain in SpA; many patients with this condition suffer from depression and fibromyalgia. Advanced imaging techniques can investigate the interplay of various brain networks in pain perception. Animal models have helped understand the interplay between the immune and nervous systems in pain generation and have highlighted differences in pain perception between the sexes.
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Affiliation(s)
- Ejaz M I Pathan
- Rheumatology Department, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Freeman Road, High Heaton, Newcastle upon Tyne NE7 7DN, UK.
| | - Robert D Inman
- Spondylitis Program, Toronto Western Hospital, University Health Network, 399 Bathurst Street, Toronto, Ontario M5T 2S8, Canada; Schroeder Arthritis Institute, University Health Network; Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Immunology, University of Toronto, Toronto, Ontario, Canada
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25
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Abstract
Classically, skin was considered a mere structural barrier protecting organisms from a diversity of environmental insults. In recent decades, the cutaneous immune system has become recognized as a complex immunologic barrier involved in both antimicrobial immunity and homeostatic processes like wound healing. To sense a variety of chemical, mechanical, and thermal stimuli, the skin harbors one of the most sophisticated sensory networks in the body. However, recent studies suggest that the cutaneous nervous system is highly integrated with the immune system to encode specific sensations into evolutionarily conserved protective behaviors. In addition to directly sensing pathogens, neurons employ novel neuroimmune mechanisms to provide host immunity. Therefore, given that sensation underlies various physiologies through increasingly complex reflex arcs, a much more dynamic picture is emerging of the skin as a truly systemic organ with highly coordinated physical, immunologic, and neural functions in barrier immunology.
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Affiliation(s)
- Masato Tamari
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA; , .,Center for the Study of Itch and Sensory Disorders, Washington University School of Medicine, St. Louis, Missouri 63110, USA; .,Department of Pediatrics, Jikei University School of Medicine, Minato-ku, Tokyo 105-8461, Japan
| | - Aaron M Ver Heul
- Center for the Study of Itch and Sensory Disorders, Washington University School of Medicine, St. Louis, Missouri 63110, USA; .,Division of Allergy and Immunology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA
| | - Brian S Kim
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA; , .,Center for the Study of Itch and Sensory Disorders, Washington University School of Medicine, St. Louis, Missouri 63110, USA; .,Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA.,Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri 63110, USA
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26
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Pongratz G. [Pain in rheumatic diseases : What can biologics and JAK inhibitors offer?]. Z Rheumatol 2021; 80:214-225. [PMID: 33443608 DOI: 10.1007/s00393-020-00957-2] [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] [Accepted: 12/12/2020] [Indexed: 11/25/2022]
Abstract
Persistent pain despite adequate inflammation control poses a big challenge in many rheumatic diseases for patients as well as physicians. The focus of drug development over the past years was on anti-inflammatory therapies. Enormous progress has been made and several treatment options have been added. It has been observed that pain triggered by inflammation can be effectively treated by inflammation control; however, the chronic pain component remains a problem, is little studied and specific treatment options are missing. Pain is influenced by inflammatory mediators, such as cytokines, which act on peripheral nociceptors and lead to peripheral sensitization. If inflammation continues, this can potentially lead to central sensitization and chronification of pain via immigration of immune cells and/or local activation of e.g. microglia. This leads to increasing autonomization and uncoupling of pain from the actual inflammatory process. The present review deals with the question if bDMARD or tsDMARD also show benefits concerning pain processes in addition to the profound inhibitory effects on inflammation. There are preclinical data that show an influence on sensitization following the use of cytokine inhibitors. On the other hand, so far clinical data show that bDMARDs as well as tsDMARDs consistently rapidly and reliably reduce nociceptive inflammatory pain across disease entities. An effect especially on the process of central sensitization and therefore on chronification of pain cannot be finally evaluated based on the currently available data.
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Affiliation(s)
- G Pongratz
- Poliklink, Funktionsbereich und Hiller Forschungszentrum für Rheumatologie, Universitätsklinikum Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Deutschland.
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27
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Simon LS, Taylor PC, Choy EH, Sebba A, Quebe A, Knopp KL, Porreca F. The Jak/STAT pathway: A focus on pain in rheumatoid arthritis. Semin Arthritis Rheum 2020; 51:278-284. [PMID: 33412435 DOI: 10.1016/j.semarthrit.2020.10.008] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/02/2020] [Accepted: 10/23/2020] [Indexed: 12/16/2022]
Abstract
Pain is a manifestation of rheumatoid arthritis (RA) that is mediated by inflammatory and non-inflammatory mechanisms and negatively affects quality of life. Recent findings from a Phase 3 clinical trial showed that patients with RA who were treated with a Janus kinase 1 (Jak1) and Janus kinase 2 (Jak2) inhibitor achieved significantly greater improvements in pain than those treated with a tumor necrosis factor blocker; both treatments resulted in similar changes in standard clinical measures and markers of inflammation. These findings suggest that Jak1 and Jak2 inhibition may relieve pain in RA caused by inflammatory and non-inflammatory mechanisms and are consistent with the overarching involvement of the Jak-signal transducer and activator of transcription (Jak/STAT) pathway in mediating the action, expression, and regulation of a multitude of pro- and anti-inflammatory cytokines. In this review, we provide an overview of pain in RA, the underlying importance of cytokines regulated directly or indirectly by the Jak/STAT pathway, and therapeutic targeting of the Jak/STAT pathway in RA. As highlighted herein, multiple cytokines directly or indirectly regulated by the Jak/STAT pathway play important roles in mediating various mechanisms underlying pain in RA. Having a better understanding of these mechanisms may help clinicians make treatment decisions that optimize the control of inflammation and pain.
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Affiliation(s)
| | - Peter C Taylor
- Botnar Research Centre, University of Oxford, Oxford, UK
| | - Ernest H Choy
- CREATE Centre, Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
| | | | | | | | - Frank Porreca
- Department of Pharmacology, College of Medicine, University of Arizona, 1501 N. Campbell Avenue, Tucson, AZ 85718, USA.
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28
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Brown KA, Davidson EJ, Johnson AL, Wulster KB, Ortved K. Inflammatory cytokines in horses with cervical articular process joint osteoarthritis on standing cone beam computed tomography. Equine Vet J 2020; 53:944-954. [PMID: 33222300 DOI: 10.1111/evj.13392] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 10/10/2020] [Accepted: 11/12/2020] [Indexed: 01/30/2023]
Abstract
BACKGROUND Standing cone beam computed tomography (CT) provides cross-sectional imaging of the caudal cervical articular process joints (CAPJs) in the sedated horse, though the clinical implications of osteoarthritis (OA) identified on CT in this location are unknown. Increases in concentrations of intra-synovial cytokines could lend support to the clinical significance of CAPJ OA identified on this imaging modality. OBJECTIVES Investigate the presence and concentration of intra-synovial inflammatory cytokines in CAPJs with and without standing cone beam CT evidence of OA using an equine specific multiplex assay. STUDY DESIGN Prospective clinical study. METHODS Standing cone beam CT of C5-6 and C6-7 was performed on horses with CAPJ OA and control horses. Synovial fluid samples of the CAPJs of C5-6 and C6-7 were obtained bilaterally using ultrasound guidance and analysed for concentrations of IFN-γ, IL-1β, IL-6, IL-10, IL-17 and TNFα with the Milliplex® multi-analyte profiling kit. CT Images were retrospectively graded using a novel grading scheme. Significant differences between concentrations of inflammatory cytokines between joints with different categories of osteoarthritis severity were explored using a Wilcoxon rank-sum test or Kruskal-Wallis test. RESULTS Concentrations of intra-synovial cytokines were higher in joints with moderate to severe OA when compared to joints with no or mild OA, with differences in concentrations of IL-17 reaching statistical significance (P = .007). MAIN LIMITATIONS Limitations include discrepancy in number, age, and breed between control and OA populations, use of a novel grading scheme, and lack of a histologic gold-standard to confirm the presence and severity of CAPJ OA. CONCLUSIONS Differences in inflammatory cytokines between caudal CAPJs with and without evidence of moderate to severe osteoarthritis on standing cone beam CT exist. This finding lends support to the clinical relevance of a diagnosis of moderate to severe CAPJ OA in the caudal cervical vertebral column as identified with this imaging modality.
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Affiliation(s)
- Kara A Brown
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA, USA
| | - Elizabeth J Davidson
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA, USA
| | - Amy L Johnson
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA, USA
| | - Kathryn B Wulster
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA, USA
| | - Kyla Ortved
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA, USA
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29
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Tahir H, Moorthy A, Chan A. Impact of Secukinumab on Patient-Reported Outcomes in the Treatment of Ankylosing Spondylitis: Current Perspectives. Open Access Rheumatol 2020; 12:277-292. [PMID: 33273869 PMCID: PMC7705257 DOI: 10.2147/oarrr.s265806] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 10/06/2020] [Indexed: 12/17/2022] Open
Abstract
Ankylosing spondylitis (AS) is a chronic rheumatic disease involving inflammation of the joints and spine, which carries a substantial, life-long burden for the patient. Secukinumab is a fully human anti-interleukin-17A monoclonal antibody, approved in the USA and EU for the treatment of AS. In this narrative review, we searched PubMed with the aim of consolidating the recent literature regarding the impact of secukinumab on patient-reported outcomes in patients with AS. A large clinical trial program has demonstrated the efficacy of secukinumab in relieving the signs and symptoms of AS. Most importantly from a patient perspective, secukinumab has produced improvements in a range of patient-reported outcomes (PROs), including pain, fatigue, quality of life and work productivity, as well as composite measures including patient-reported elements, such as the Bath indices and Assessment of SpondyloArthritis international Society (ASAS) response criteria. Benefits to patients were rapid, and sustained in the long term (up to 5 years). The positive effect of secukinumab was seen regardless of whether patients had previously been treated with anti-tumor necrosis factor (TNF) therapies. Greater improvements in PROs were associated with patients being anti-TNF-naïve, of a younger age, with shorter disease duration and higher objective measures of inflammation at baseline. The available real-world evidence suggests that the effects of secukinumab on PROs in clinical practice are consistent with those seen in clinical trials, and evidence in a real-world setting continues to be collected.
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Affiliation(s)
- Hasan Tahir
- Royal Free London NHS Trust, London, UK
- Division of Medicine, University College London, London, UK
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30
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Potential Molecular Mechanisms of Plantain in the Treatment of Gout and Hyperuricemia Based on Network Pharmacology. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:3023127. [PMID: 33149752 PMCID: PMC7603577 DOI: 10.1155/2020/3023127] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 07/13/2020] [Accepted: 08/04/2020] [Indexed: 12/13/2022]
Abstract
Background The incidence of gout and hyperuricemia is increasing year by year in the world. Plantain is a traditional natural medicine commonly used in the treatment of gout and hyperuricemia, but the molecular mechanism of its active compounds is still unclear. Based on network pharmacology, this article predicts the targets and pathways of effective components of plantain for gout and hyperuricemia and provides effective reference for clinical medication. Method Traditional Chinese medicine systems pharmacology database and analysis platform (TCMSP) and SymMap databases were used to screen out the active compounds and their targets in plantain. GeneCards, Therapeutic Target Database (TTD), and Online Mendelian Inheritance in Man (OMIM) databases were used to find the targets corresponding to gout and hyperuricemia. Venn diagram was used to obtain the intersection targets of plantain and diseases. The interaction network of the plantain active compounds-targets-pathways-diseases was constructed by using Cytoscape 3.7.2 software. Finally, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were carried out. Result Seven active compounds were identified by network pharmacological analysis, including dinatin, baicalein, baicalin, sitosterol, 6-OH-luteolin, stigmasterol, and luteolin. Plantain plays a role in gout and hyperuricemia diseases by regulating various biological processes, cellular components, and molecular functions. The core targets of plantain for treating gout are MAPK1, RELA, TNF, NFKBIA, and IFNG, and the key pathways are pathways in cancer, hypoxia-inducible factor-1 (HIF-1) signaling pathway, interleukin (IL)-17 signaling pathway, Chagas disease (American trypanosomiasis), and relaxin signaling pathway. The core targets of plantain for hyperuricemia are RELA, MAPK1, NFKBIA, CASP3, CASP8, and TNF, and the main pathways are pathways in cancer, apoptosis, hepatitis B, IL-17 signaling pathway, and toxoplasmosis. Conclusion This study explored the related targets and mechanisms of plantain for the treatment of gout and hyperuricemia from the perspective of network pharmacological analysis, reflecting the characteristics of multiple components, multiple targets, and multiple pathways, and it provides a good theoretical basis for the clinical application of plantain.
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Teixeira FM, Coelho MN, José-Chagas FDN, Malvar DDC, Kanashiro A, Cunha FQ, Machado Vianna-Filho MD, da Cunha Pinto A, Vanderlinde FA, Costa SS. Oral treatments with a flavonoid-enriched fraction from Cecropia hololeuca and with rutin reduce articular pain and inflammation in murine zymosan-induced arthritis. JOURNAL OF ETHNOPHARMACOLOGY 2020; 260:112841. [PMID: 32268203 DOI: 10.1016/j.jep.2020.112841] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/25/2020] [Accepted: 04/01/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cecropia Loefl. species (Urticaceae) are widely spread across the rainforest in tropical and subtropical regions of Central and South America. Inhabitants of different regions of Brazil employ leaves, fruits and sprouts of Cecropia hololeuca Miq. mainly as anti-inflammatory, anti-asthmatic, expectorant, fever suppressant, and against cough. AIM OF THE STUDY To evaluate the antinociceptive and anti-inflammatory activities of an aqueous leaf extract of C. hololeuca in a murine model of zymosan-induced arthritis (ZIA) and characterize compounds contributing to these effects. MATERIALS AND METHODS The crude aqueous extract of C. hololeuca (CAE) was obtained by infusion, screened for antinociceptive and anti-inflammatory activities, and fractionated (solvent partition; RP-2 and Sephadex G-25 column chromatography), yielding fractions that were chemically and pharmacologically investigated. TLC, HPLC-DAD, HPLC-DAD-ESI-MS/MS and NMR analyses were peformed. The antinociceptive activity was assessed by means of acetic acid-induced writhing, hot-plate and rota-rod tests. ZIA was used to evaluate the anti-arthritic activity of oral treatment with CAE, butanolic (BF) and aqueous fraction (AF), as well as the fractions obtained from BF (F2, F2-A and F2-B). Rutin, a flavonoid found in C. hololeuca, was also tested. Mechanical hypernociception, joint edema, local neutrophil recruitment and articular TNF-α quantification were performed to measure the severity of arthritis and identify the anti-inflammatory potential of C. hololeuca. RESULTS CAE (0.03-1 g/kg, p.o.) showed a dose-related inhibitory effect on acetic acid-induced writhing test, but did not change the pain latency in the hotplate test, nor the first fall time on the rota-rod test. In addition, CAE (1 g/kg, p.o.) inhibited by 65% the mechanical hypernociception, 46% the joint edema, 54% the neutrophil recruitment and 53% the articular TNF-α concentration levels in ZIA. BF (0.4 g/kg, p.o.), AF (0.6 g/kg), F2 (0.1 g/kg) and F2-A (0.045 g/kg), but not F2-B (0.055 g/kg), inhibited the mechanical hypernociception, joint edema and neutrophil recruitment in ZIA. Rutin (0.001-0.03 g/kg, p.o.) produced dose-related inhibitory effects in the mechanical hypernociception, joint edema and neutrophil recruitment, and at 0.03 g/kg also inhibited articular TNF-α synthesis after intra-articular zymosan injection. Isoorientin, isovitexin, rutin and isoquercitrin were identified in the most active fraction (F2-A), along with luteolin and apigenin derivatives, tentatively identified as isoorientin-2″-O-glucoside and isovitexin-2″-O-glucoside. CONCLUSION This study corroborates the popular use by oral route of aqueous preparations of C. hololeuca against joint inflammatory disorders, such as rheumatoid arthritis. Our results demonstrated for the first time that oral administration of rutin shows antinociceptive and anti-inflammatory effects in ZIA, indicating that this flavonoid is one of the immunomodulatory compounds involved in the anti-arthritic activity of C. hololeuca.
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Key Words
- 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one
- 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one
- 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-6-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-4-one
- 5,7-dihydroxy-2-(4-hydroxyphenyl)-6-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-4-one
- Anti-inflammatory effect
- Antinociceptive effect
- Arthritis
- Cecropia hololeuca
- Phenolic compounds
- Rutin
- isoorientin
- isoquercitrin
- isovitexin
- rutin
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Affiliation(s)
- Felipe Marques Teixeira
- Laboratory of Pharmacology, Department of Physiological Sciences, Institute of Biological and Health Sciences, Federal Rural University of Rio de Janeiro (UFRRJ), BR 465, Km 07, 23890-000, Seropédica, RJ, Brazil.
| | - Mariana Neubarth Coelho
- Laboratory of Bioactive Natural Products Chemistry, Natural Products Research Institute (IPPN), Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho, 373, 21941-902, Rio de Janeiro, RJ, Brazil.
| | - Fernanda do Nascimento José-Chagas
- Laboratory of Bioactive Natural Products Chemistry, Natural Products Research Institute (IPPN), Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho, 373, 21941-902, Rio de Janeiro, RJ, Brazil; Institute of Chemistry, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149, 21941-909, Rio de Janeiro, RJ, Brazil.
| | - David do Carmo Malvar
- Laboratory of Pharmacology, Department of Physiological Sciences, Institute of Biological and Health Sciences, Federal Rural University of Rio de Janeiro (UFRRJ), BR 465, Km 07, 23890-000, Seropédica, RJ, Brazil.
| | - Alexandre Kanashiro
- Department of Neurosciences and Behavior, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP, Brazil.
| | - Fernando Queiroz Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes 3900, 14049-900, Ribeirão Preto, SP, Brazil.
| | - Marcelo Dias Machado Vianna-Filho
- Program of Graduate Studies in Plant Biology, Rio de Janeiro State University, Rua São Francisco Xavier, 524, 20550-013, Maracanã, Rio de Janeiro, RJ, Brazil.
| | - Angelo da Cunha Pinto
- Institute of Chemistry, Federal University of Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos, 149, 21941-909, Rio de Janeiro, RJ, Brazil
| | - Frederico Argollo Vanderlinde
- Laboratory of Pharmacology, Department of Physiological Sciences, Institute of Biological and Health Sciences, Federal Rural University of Rio de Janeiro (UFRRJ), BR 465, Km 07, 23890-000, Seropédica, RJ, Brazil.
| | - Sônia Soares Costa
- Laboratory of Bioactive Natural Products Chemistry, Natural Products Research Institute (IPPN), Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho, 373, 21941-902, Rio de Janeiro, RJ, Brazil.
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Luo H, Liu HZ, Zhang WW, Matsuda M, Lv N, Chen G, Xu ZZ, Zhang YQ. Interleukin-17 Regulates Neuron-Glial Communications, Synaptic Transmission, and Neuropathic Pain after Chemotherapy. Cell Rep 2020; 29:2384-2397.e5. [PMID: 31747607 DOI: 10.1016/j.celrep.2019.10.085] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 08/14/2019] [Accepted: 10/22/2019] [Indexed: 02/08/2023] Open
Abstract
The proinflammatory cytokine interleukin-17 (IL-17) is implicated in pain regulation. However, the synaptic mechanisms by which IL-17 regulates pain transmission are unknown. Here, we report that glia-produced IL-17 suppresses inhibitory synaptic transmission in the spinal cord pain circuit and drives chemotherapy-induced neuropathic pain. We find that IL-17 not only enhances excitatory postsynaptic currents (EPSCs) but also suppresses inhibitory postsynaptic synaptic currents (IPSCs) and GABA-induced currents in lamina IIo somatostatin-expressing neurons in mouse spinal cord slices. IL-17 mainly expresses in spinal cord astrocytes, and its receptor IL-17R is detected in somatostatin-expressing neurons. Selective knockdown of IL-17R in spinal somatostatin-expressing interneurons reduces paclitaxel-induced hypersensitivity. Overexpression of IL-17 in spinal astrocytes is sufficient to induce mechanical allodynia in naive animals. In dorsal root ganglia, IL-17R expression in nociceptive sensory neurons is sufficient and required for inducing neuronal hyperexcitability after paclitaxel. Together, our data show that IL-17/IL-17R mediate neuron-glial interactions and neuronal hyperexcitability in chemotherapy-induced peripheral neuropathy.
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Affiliation(s)
- Hao Luo
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Translational Neuroscience, Jing'an District Centre Hospital of Shanghai, Institutes of Brain Science, Institutes of Integrative Medicine, Fudan University, Shanghai 200032, China
| | - Hui-Zhu Liu
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Translational Neuroscience, Jing'an District Centre Hospital of Shanghai, Institutes of Brain Science, Institutes of Integrative Medicine, Fudan University, Shanghai 200032, China
| | - Wen-Wen Zhang
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Translational Neuroscience, Jing'an District Centre Hospital of Shanghai, Institutes of Brain Science, Institutes of Integrative Medicine, Fudan University, Shanghai 200032, China
| | - Megumi Matsuda
- Research Unit for the Neurobiology of Pain, Department of Anesthesiology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ning Lv
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Translational Neuroscience, Jing'an District Centre Hospital of Shanghai, Institutes of Brain Science, Institutes of Integrative Medicine, Fudan University, Shanghai 200032, China
| | - Gang Chen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, China
| | - Zhen-Zhong Xu
- Department of Physiology, Center of Neuroscience, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, Zhejiang University School of Medicine, Hangzhou, China
| | - Yu-Qiu Zhang
- State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Translational Neuroscience, Jing'an District Centre Hospital of Shanghai, Institutes of Brain Science, Institutes of Integrative Medicine, Fudan University, Shanghai 200032, China.
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Pain Mechanism in Rheumatoid Arthritis: From Cytokines to Central Sensitization. Mediators Inflamm 2020; 2020:2076328. [PMID: 33005097 PMCID: PMC7503123 DOI: 10.1155/2020/2076328] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/13/2020] [Accepted: 08/26/2020] [Indexed: 12/14/2022] Open
Abstract
Pain is the most common symptom in patients with rheumatoid arthritis (RA). Although in recent years, through the implementation of targeted treatment and the introduction of disease-modifying antirheumatic drugs (DMARDs), the treatment of RA patients has made a significant progress, a large proportion of patients still feel pain. Finding appropriate treatment to alleviate the pain is very important for RA patients. Current research showed that, in addition to inflammation, RA pain involves peripheral sensitization and abnormalities in the central nervous system (CNS) pain regulatory mechanisms. This review summarized the literature on pain mechanisms of RA published in recent years. A better understanding of pain mechanisms will help to develop new analgesic targets and deploy new and existing therapies.
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Prado DS, Veras FP, Ferreira RG, Damasceno LEA, Melo PH, Zamboni DS, Cunha TM, Cunha FQ, Alves-Filho JC. NLRP12 controls arthritis severity by acting as a checkpoint inhibitor of Th17 cell differentiation. FASEB J 2020; 34:10907-10919. [PMID: 32632939 DOI: 10.1096/fj.202000795r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/27/2020] [Accepted: 06/08/2020] [Indexed: 12/21/2022]
Abstract
Nucleotide oligomerization domain (NOD)-like receptor-12 (NLRP12) has emerged as a negative regulator of inflammation. It is well described that the Th17 cell population increases in patients with early Rheumatoid Arthritis (RA), which correlates with the disease activity. Here, we investigated the role of NLRP12 in the differentiation of Th17 cells and the development of experimental arthritis, using the antigen-induced arthritis (AIA) murine model. We found that Nlrp12-/ - mice develop severe arthritis characterized by an exacerbated Th17-mediated inflammatory response with increases in the articular hyperalgesia, knee joint swelling, and neutrophil infiltration. Adoptive transfer of Nlrp12-/ - cells into WT mice recapitulated the hyperinflammatory response seen in Nlrp12-/ - mice and the treatment with anti-IL-17A neutralizing antibody abrogated arthritis development in Nlrp12-/ - mice, suggesting that NLRP12 works as an inhibitor of Th17 cell differentiation. Indeed, Th17 cell differentiation markedly increases in Nlrp12-/- T cells cultured under the Th17-skewing condition. Mechanistically, we found that NLRP12 negatively regulates IL-6-induced phosphorylation of STAT3 in T cells. Finally, pharmacological inhibition of STAT3 reduced Th17 cell differentiation and abrogated hyperinflammatory arthritis observed in Nlrp12-/ - mice. Thus, we described a novel role for NLRP12 as a checkpoint inhibitor of Th17 cell differentiation, which controls the severity of experimental arthritis.
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Affiliation(s)
- Douglas Silva Prado
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Flavio P Veras
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Raphael Gomes Ferreira
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Luis Eduardo Alves Damasceno
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Paulo Henrique Melo
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Dario Simões Zamboni
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Cell Biology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Thiago Mattar Cunha
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Fernando Queiroz Cunha
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - José Carlos Alves-Filho
- Center for Research in Inflammatory Diseases, CRID, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
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Oliveira FFBD, Bingana RD, Morais PAF, Oliveira SRBD, Barbosa ALDR, Chaves LDS, Alencar PDOC, Soares PMG, Souza MHLP, Freitas ALP, Barros FCN, Medeiros JVR, Damasceno ROS. Sulfated polysaccharide from Gracilaria caudata reduces hypernociception and inflammatory response during arthritis in rodents. Int J Biol Macromol 2020; 161:1061-1069. [PMID: 32531369 DOI: 10.1016/j.ijbiomac.2020.06.060] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/21/2020] [Accepted: 06/08/2020] [Indexed: 12/12/2022]
Abstract
Polysaccharide from marine alga Gracilaria caudata has potential health benefits, such as anti-inflammatory, gastroprotective and antidiarrheal effects. Here, we investigated the effect of a sulfated polysaccharide from G. caudata (SP-GC) on hypernociception and inflammatory response in arthritis models. The animals received SP-GC (3, 10 or 30 mg/kg) 1 h before tibio-tarsal injection of zymosan. Hypernociception, histopathology, edema, vascular permeability, myeloperoxidase (MPO) activity, cell influx, interleukin (IL)-1β and nitric oxide (NO) levels were evaluated in acute phase. In another protocol, animals received SP-GC (30 mg/kg) 2 h post-complete Freund's adjuvant (CFA). Hypernociception, edema and arthritis index were determined in acute, sub-chronic and chronic phases. Rota-rod test measured the motor performance. SP-GC significantly reduced, in a dose-dependent manner, the zymosan-induced hypernociception with maximal effect at 30 mg/kg. The microscopic inflammation, joint edema, MPO activity, cell influx, IL-1β and NO levels were also reduced by SP-GC. In the CFA-induced arthritis, SP-GC inhibits the hypernociception, edema and arthritic index in acute, sub-chronic and chronic phases. SP-GC did not alter the motor performance of animals. In conclusion, SP-GC exerts protective effect in models of arthritis due to the modulation of cell influx, IL-1β and NO levels, culminating in the reduction of hypernociception and edema.
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Affiliation(s)
| | - Rudy Diavila Bingana
- Departamento de Fisiologia e Farmacologia, Universidade Federal do Ceará, 60430-275 Fortaleza, CE, Brazil
| | - Pedro Almir Feitosa Morais
- Departamento de Fisiologia e Farmacologia, Universidade Federal do Ceará, 60430-275 Fortaleza, CE, Brazil
| | | | - André Luiz Dos Reis Barbosa
- Núcleo de Pesquisa em Biodiversidade e Biotecnologia, Universidade Federal do Piauí, 64202-020 Parnaíba, PI, Brazil
| | - Luciano de Sousa Chaves
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, 60440-900 Fortaleza, CE, Brazil
| | | | - Pedro Marcos Gomes Soares
- Departamento de Fisiologia e Farmacologia, Universidade Federal do Ceará, 60430-275 Fortaleza, CE, Brazil
| | | | - Ana Lúcia Ponte Freitas
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, 60440-900 Fortaleza, CE, Brazil
| | - Francisco Clark Nogueira Barros
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Ceará, 60440-900 Fortaleza, CE, Brazil; Departamento de Pesquisa, Pós-Graduação e Inovação, 63040-540, Instituto Federal de Educação, Ciência e Tecnologia - CE, Brazil
| | - Jand-Venes Rolim Medeiros
- Núcleo de Pesquisa em Biodiversidade e Biotecnologia, Universidade Federal do Piauí, 64202-020 Parnaíba, PI, Brazil
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Gonçalves Dos Santos G, Delay L, Yaksh TL, Corr M. Neuraxial Cytokines in Pain States. Front Immunol 2020; 10:3061. [PMID: 32047493 PMCID: PMC6997465 DOI: 10.3389/fimmu.2019.03061] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 12/16/2019] [Indexed: 12/11/2022] Open
Abstract
A high-intensity potentially tissue-injuring stimulus generates a homotopic response to escape the stimulus and is associated with an affective phenotype considered to represent pain. In the face of tissue or nerve injury, the afferent encoding systems display robust changes in the input–output function, leading to an ongoing sensation reported as painful and sensitization of the nociceptors such that an enhanced pain state is reported for a given somatic or visceral stimulus. Our understanding of the mechanisms underlying this non-linear processing of nociceptive stimuli has led to our appreciation of the role played by the functional interactions of neural and immune signaling systems in pain phenotypes. In pathological states, neural systems interact with the immune system through the actions of a variety of soluble mediators, including cytokines. Cytokines are recognized as important mediators of inflammatory and neuropathic pain, supporting system sensitization and the development of a persistent pathologic pain. Cytokines can induce a facilitation of nociceptive processing at all levels of the neuraxis including supraspinal centers where nociceptive input evokes an affective component of the pain state. We review here several key proinflammatory and anti-inflammatory cytokines/chemokines and explore their underlying actions at four levels of neuronal organization: (1) peripheral nociceptor termini; (2) dorsal root ganglia; (3) spinal cord; and (4) supraspinal areas. Thus, current thinking suggests that cytokines by this action throughout the neuraxis play key roles in the induction of pain and the maintenance of the facilitated states of pain behavior generated by tissue injury/inflammation and nerve injury.
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Affiliation(s)
| | - Lauriane Delay
- Department of Anesthesiology, University of California, San Diego, La Jolla, CA, United States
| | - Tony L Yaksh
- Department of Anesthesiology, University of California, San Diego, La Jolla, CA, United States
| | - Maripat Corr
- Division of Rheumatology, Allergy and Immunology, University of California, San Diego, La Jolla, CA, United States
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Understanding the Molecular Mechanisms Underlying the Pathogenesis of Arthritis Pain Using Animal Models. Int J Mol Sci 2020; 21:ijms21020533. [PMID: 31947680 PMCID: PMC7013391 DOI: 10.3390/ijms21020533] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 12/27/2019] [Accepted: 01/09/2020] [Indexed: 12/22/2022] Open
Abstract
Arthritis, including osteoarthritis (OA) and rheumatoid arthritis (RA), is the leading cause of years lived with disability (YLD) worldwide. Although pain is the cardinal symptom of arthritis, which is directly related to function and quality of life, the elucidation of the mechanism underlying the pathogenesis of pain in arthritis has lagged behind other areas, such as inflammation control and regulation of autoimmunity. The lack of therapeutics for optimal pain management is partially responsible for the current epidemic of opioid and narcotic abuse. Recent advances in animal experimentation and molecular biology have led to significant progress in our understanding of arthritis pain. Despite the inherent problems in the extrapolation of data gained from animal pain studies to arthritis in human patients, the critical assessment of molecular mediators and translational studies would help to define the relevance of novel therapeutic targets for the treatment of arthritis pain. This review discusses biological and molecular mechanisms underlying the pathogenesis of arthritis pain determined in animal models of OA and RA, along with the methodologies used.
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Crosson T, Roversi K, Balood M, Othman R, Ahmadi M, Wang JC, Seadi Pereira PJ, Tabatabaei M, Couture R, Eichwald T, Latini A, Prediger RD, Rangachari M, Seehus CR, Foster SL, Talbot S. Profiling of how nociceptor neurons detect danger - new and old foes. J Intern Med 2019; 286:268-289. [PMID: 31282104 DOI: 10.1111/joim.12957] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The host evolves redundant mechanisms to preserve physiological processing and homeostasis. These functions range from sensing internal and external threats, creating a memory of the insult and generating reflexes, which aim to resolve inflammation. Impairment in such functioning leads to chronic inflammatory diseases. By interacting through a common language of ligands and receptors, the immune and sensory nervous systems work in concert to accomplish such protective functions. Whilst this bidirectional communication helps to protect from danger, it can contribute to disease pathophysiology. Thus, the somatosensory nervous system is anatomically positioned within primary and secondary lymphoid tissues and mucosa to modulate immunity directly. Upstream of this interplay, neurons detect danger, which prompts the release of neuropeptides initiating (i) defensive reflexes (ranging from withdrawal response to coughing) and (ii) chemotaxis, adhesion and local infiltration of immune cells. The resulting outcome of such neuro-immune interplay is still ill-defined, but consensual findings start to emerge and support neuropeptides not only as blockers of TH 1-mediated immunity but also as drivers of TH 2 immune responses. However, the modalities detected by nociceptors revealed broader than mechanical pressure and temperature sensing and include signals as various as cytokines and pathogens to immunoglobulins and even microRNAs. Along these lines, we aggregated various dorsal root ganglion sensory neuron expression profiling datasets supporting such wide-ranging sensing capabilities to help identifying new danger detection modalities of these cells. Thus, revealing unexpected aspects of nociceptor neuron biology might prompt the identification of novel drivers of immunity, means to resolve inflammation and strategies to safeguard homeostasis.
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Affiliation(s)
- T Crosson
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - K Roversi
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada.,Departamento de Farmacologia Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - M Balood
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada.,Axe Neurosciences, Centre de recherche du CHU, Université Laval, Québec, QC, Canada.,Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec, QC, Canada
| | - R Othman
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - M Ahmadi
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - J-C Wang
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada.,Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | | | - M Tabatabaei
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - R Couture
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
| | - T Eichwald
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - A Latini
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - R D Prediger
- Departamento de Farmacologia Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - M Rangachari
- Axe Neurosciences, Centre de recherche du CHU, Université Laval, Québec, QC, Canada.,Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec, QC, Canada
| | - C R Seehus
- FM Kirby Neurobiology Center, Children's Hospital, Boston, MA, USA
| | - S L Foster
- Depression Clinical Research Program, Massachusetts General Hospital, Boston, MA, USA
| | - S Talbot
- From the, Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, QC, Canada
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McGonagle DG, McInnes IB, Kirkham BW, Sherlock J, Moots R. The role of IL-17A in axial spondyloarthritis and psoriatic arthritis: recent advances and controversies. Ann Rheum Dis 2019; 78:1167-1178. [PMID: 31278139 PMCID: PMC6788885 DOI: 10.1136/annrheumdis-2019-215356] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 05/17/2019] [Accepted: 06/14/2019] [Indexed: 12/19/2022]
Abstract
Although the pathogenic mechanisms underlying axial spondyloarthritis (axSpA) and psoriatic arthritis (PsA) are not fully elucidated, several lines of evidence suggest that immune responses mediated by interleukin 17A (IL-17A) play a pivotal role in both diseases. This is best highlighted by the significant clinical efficacy shown with inhibitors of IL-17A in treating axSpA and PsA. Nevertheless, a number of knowledge gaps exist regarding the role of IL-17A in the pathophysiology of spondyloarthritis in man, including its cellular origin, its precise role in discrete disease processes such enthesitis, bone erosion, and bone formation, and the reasons for the discrepant responses to IL-17A inhibition observed in certain other spondyloarthritis manifestations. In this review, we focus on the latest data from studies investigating the role of IL-17A in ankylosing spondylitis (AS) and PsA that build on existing and emerging scientific knowledge in the field. Key remaining research questions are also highlighted to guide future research.
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Affiliation(s)
- Dennis G McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,NIHR Leeds Musculoskeletal Biomedical Research Unit, Chapel Allerton, Leeds Teaching Hospital Trust, Leeds, UK
| | - Iain B McInnes
- Institute of Infection Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Bruce W Kirkham
- Rheumatology Department, Guy's and Saint Thomas' NHS Foundation Trust, London, UK
| | - Jonathan Sherlock
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK.,Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Robert Moots
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK .,Department of Academic Rheumatology, Aintree University Hospital, Liverpool, UK
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Abstract
Pain is a hallmark of tissue injury, inflammatory diseases, pathogen invasion and neuropathy. It is mediated by nociceptor sensory neurons that innervate the skin, joints, bones, muscles and mucosal tissues and protects organisms from noxious stimuli. Nociceptors are sensitized by inflammatory mediators produced by the immune system, including cytokines, lipid mediators and growth factors, and can also directly detect pathogens and their secreted products to produce pain during infection. Upon activation, nociceptors release neuropeptides from their terminals that potently shape the function of innate and adaptive immune cells. For some pathogens, neuron-immune interactions enhance host protection from infection, but for other pathogens, neuron-immune signalling pathways can be exploited to facilitate pathogen survival. Here, we discuss the role of nociceptor interactions with the immune system in pain and infection and how understanding these pathways could produce new approaches to treat infectious diseases and chronic pain.
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42
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Wang L, Jiang X, Zheng Q, Jeon SM, Chen T, Liu Y, Kulaga H, Reed R, Dong X, Caterina MJ, Qu L. Neuronal FcγRI mediates acute and chronic joint pain. J Clin Invest 2019; 129:3754-3769. [PMID: 31211699 DOI: 10.1172/jci128010] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Although joint pain in rheumatoid arthritis (RA) is conventionally thought to result from inflammation, arthritis pain and joint inflammation are at least partially uncoupled. This suggests that additional pain mechanisms in RA remain to be explored. Here we show that FcγRI, an immune receptor for IgG immune complex (IgG-IC), is expressed in a subpopulation of joint sensory neurons and that, under naïve conditions, FcγRI crosslinking by IgG-IC directly activates the somata and peripheral terminals of these neurons to evoke acute joint hypernociception without obvious concurrent joint inflammation. These effects were diminished in both global and sensory neuron-specific Fcgr1 knockout mice. In murine models of inflammatory arthritis, FcγRI signaling was upregulated in joint sensory neurons. Acute blockade or global genetic deletion of Fcgr1 significantly attenuated arthritis pain and hyperactivity of joint sensory neurons without measurably altering joint inflammation. Conditional deletion of Fcgr1 in sensory neurons produced similar analgesic effects in these models. We therefore suggest that FcγRI expressed in sensory neurons contributes to arthritis pain independently of its functions in inflammatory cells. These findings expand our understanding of the immunosensory capabilities of sensory neurons and imply that neuronal FcγRI merits consideration as a target for treating RA pain.
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Affiliation(s)
- Li Wang
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Xiaohua Jiang
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Qin Zheng
- Solomon H. Snyder Department of Neuroscience
| | - Sang-Min Jeon
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Tiane Chen
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | - Yan Liu
- Department of Neurosurgery and Neurosurgery Pain Research Institute
| | | | - Randall Reed
- Department of Molecular Biology and Genetics, and
| | | | - Michael J Caterina
- Department of Neurosurgery and Neurosurgery Pain Research Institute.,Solomon H. Snyder Department of Neuroscience.,Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Lintao Qu
- Department of Neurosurgery and Neurosurgery Pain Research Institute
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Valiate BVS, Alvarez RU, Karra L, Queiroz‐Júnior CM, Amaral FA, Levi‐Schaffer F, Teixeira MM. The immunoreceptor CD300a controls the intensity of inflammation and dysfunction in a model of Ag‐induced arthritis in mice. J Leukoc Biol 2019; 106:957-966. [DOI: 10.1002/jlb.3a1018-389r] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 03/21/2019] [Accepted: 05/10/2019] [Indexed: 12/12/2022] Open
Affiliation(s)
- Bruno V. S. Valiate
- Departamento de Bioquímica e ImunologiaInstituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte Brazil
| | - Rodrigo U. Alvarez
- Departamento de Bioquímica e ImunologiaInstituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte Brazil
| | - Laila Karra
- Pharmacology and Experimental Therapeutics UnitInstitute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem Jerusalem Israel
| | | | - Flavio A. Amaral
- Departamento de Bioquímica e ImunologiaInstituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte Brazil
| | - Francesca Levi‐Schaffer
- Pharmacology and Experimental Therapeutics UnitInstitute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem Jerusalem Israel
| | - Mauro M. Teixeira
- Departamento de Bioquímica e ImunologiaInstituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte Brazil
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Horváth Á, Botz B, Kiss T, Csekő K, Kiss I, Felinger A, Szabados T, Kenyeres É, Bencsik P, Mócsai A, Ferdinandy P, Helyes Z. Subantimicrobial Dose Doxycycline Worsens Chronic Arthritis-Induced Bone Microarchitectural Alterations in a Mouse Model: Role of Matrix Metalloproteinases? Front Pharmacol 2019; 10:233. [PMID: 30949048 PMCID: PMC6435543 DOI: 10.3389/fphar.2019.00233] [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: 07/01/2018] [Accepted: 02/22/2019] [Indexed: 11/23/2022] Open
Abstract
Background: Rheumatoid arthritis (RA) is a chronic inflammatory joint disease hallmarked by irreversible damage of cartilage and bone. Matrix metalloproteinases (MMPs) involved in connective tissue remodeling play an important role in this process. Numerous MMPs have been examined in humans and animals, but their functions are still not fully understood. Therefore, we investigated the role of MMPs in the K/BxN serum-transfer model of RA with the broad-spectrum MMP inhibitor subantimicrobial dose doxycycline (SDD) using complex in vivo and in vitro methodolgy. Methods: Chronic arthritis was induced by repetitive i.p. injections of K/BxN serum in C57BL/6J mice. SDD was administered daily in acidified drinking water (0.5 mg/mL, 80 mg/kg) during the 30 days experimental period. Mechanonociceptive threshold of the paw was evaluated by aesthesiometry, grasping ability by grid test, arthritis severity by scoring, neutrophil myeloperoxidase activity by luminescence, vascular hyperpermeability and MMP activity by fluorescence in vivo imaging and the latter also by gelatin zymography, bone structure by micro-computed tomography (micro-CT). Plasma concentrations of doxycycline were determined by liquid chromatography-mass spectrometry analysis. Results: K/BxN serum induced significant inflammatory signs, mechanical hyperalgesia, joint function impairment, increased myeloperoxidase activity and vascular hyperpermeability. Significant increase of MMP activity was also observed both in vivo and ex vivo with elevation of the 57–60, 75, and 92 kDa gelatinolytic isoforms in the arthritic ankle joints, but neither MMP activity nor any above described functional parameters were influenced by SDD. Most importantly, SDD significantly reduced bone mineral density in the distal tibia and enhanced the Euler number in the ankle. Arthritis-induced microarchitectural alterations demonstrating increased irregularity and cancellous bone remodeling, such as increased Euler number was significantly elevated by SDD in both regions. Conclusion: We showed increase of various MMP activities in the joints by in vivo fluorescence imaging together with ex vivo zymography, and investigated their functional significance using the broad-spectrum MMP inhibitor SDD in the translational RA model. This is the first demonstration that SDD worsens arthritis-induced bone microarchitectural alterations, but it appears to be independent of MMP inhibition.
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Affiliation(s)
- Ádám Horváth
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary.,Molecular Pharmacology Research Group, Centre for Neuroscience, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Bálint Botz
- Molecular Pharmacology Research Group, Centre for Neuroscience, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary.,Department of Radiology, Clinical Centre, University of Pécs, Pécs, Hungary
| | - Tamás Kiss
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary.,Molecular Pharmacology Research Group, Centre for Neuroscience, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Kata Csekő
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary.,Molecular Pharmacology Research Group, Centre for Neuroscience, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Ibolya Kiss
- Department of Analytical and Environmental Chemistry, Faculty of Sciences, Institute of Chemistry, University of Pécs, Pécs, Hungary.,Environmental Analytical and Geoanalytical Research Group, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Attila Felinger
- Department of Analytical and Environmental Chemistry, Faculty of Sciences, Institute of Chemistry, University of Pécs, Pécs, Hungary.,Environmental Analytical and Geoanalytical Research Group, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Tamara Szabados
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Éva Kenyeres
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Szeged, Szeged, Hungary.,Department of Biochemistry, Faculty of Medicine, University of Szeged, Szeged, Hungary.,Pharmahungary Group, Szeged, Hungary
| | - Péter Bencsik
- Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, University of Szeged, Szeged, Hungary.,Department of Biochemistry, Faculty of Medicine, University of Szeged, Szeged, Hungary.,Pharmahungary Group, Szeged, Hungary
| | - Attila Mócsai
- Department of Physiology, Faculty of Medicine, MTA-SE "Lendület" Inflammation Physiology Research Group of the Hungarian Academy of Sciences, Semmelweis University, Budapest, Hungary
| | - Péter Ferdinandy
- Department of Biochemistry, Faculty of Medicine, University of Szeged, Szeged, Hungary.,Pharmahungary Group, Szeged, Hungary.,Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Zsuzsanna Helyes
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, Pécs, Hungary.,Molecular Pharmacology Research Group, Centre for Neuroscience, János Szentágothai Research Centre, University of Pécs, Pécs, Hungary.,Chronic Pain Research Group, National Brain Research Program, Medical School, University of Pécs, Pécs, Hungary.,PharmInVivo Ltd., Pécs, Hungary
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46
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Ruiz-Miyazawa KW, Staurengo-Ferrari L, Pinho-Ribeiro FA, Fattori V, Zaninelli TH, Badaro-Garcia S, Borghi SM, Andrade KC, Clemente-Napimoga JT, Alves-Filho JC, Cunha TM, Fraceto LF, Cunha FQ, Napimoga MH, Casagrande R, Verri WA. 15d-PGJ 2-loaded nanocapsules ameliorate experimental gout arthritis by reducing pain and inflammation in a PPAR-gamma-sensitive manner in mice. Sci Rep 2018; 8:13979. [PMID: 30228306 PMCID: PMC6143605 DOI: 10.1038/s41598-018-32334-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 09/05/2018] [Indexed: 12/13/2022] Open
Abstract
Gout arthritis (GA) is a painful inflammatory disease in response to monosodium urate (MSU) crystals in the joints. 15deoxy-Δ12,14-prostaglandin J2 (15d-PGJ2) is a natural activator of PPAR-γ with analgesic, anti-inflammatory, and pro-resolution properties. Thus, we aimed to evaluate the effect and mechanisms of action of 15d-PGJ2 nanocapsules (NC) in the model of GA in mice, since a reduction of 33-fold in the dose of 15d-PGJ2 has been reported. Mice were treated with 15d-PGJ2-loaded NC, inert NC, free 15d-PGJ2 (without NC), or 15d-PGJ2-loaded NC+ GW9662, a PPAR-γ inhibitor. We show that 15d-PGJ2-loaded NC provided analgesic effect in a dose that the free 15d-PGJ2 failed to inhibiting pain and inflammation. Hence, 15d-PGJ2-loaded NC reduced MSU-induced IL-1β, TNF-α, IL-6, IL-17, and IL-33 release and oxidative stress. Also, 15d-PGJ2-loaded NC decreased the maturation of IL-1β in LPS-primed BMDM triggered by MSU. Further, 15d-PGJ2-loaded NC decreased the expression of the components of the inflammasome Nlrp3, Asc, and Pro-caspase-1, as consequence of inhibiting NF-κB activation. All effects were PPAR-γ-sensitive. Therefore, we demonstrated that 15d-PGJ2-loaded NC present analgesic and anti-inflammatory properties in a PPAR-γ-dependent manner inhibiting IL-1β release and NF-κB activation in GA. Concluding, 15d-PGJ2-loaded NC ameliorates MSU-induced GA in a PPAR-γ-sensitive manner.
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Affiliation(s)
- Kenji W Ruiz-Miyazawa
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Larissa Staurengo-Ferrari
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Victor Fattori
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Tiago H Zaninelli
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Stephanie Badaro-Garcia
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Ketlem C Andrade
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Juliana T Clemente-Napimoga
- Laboratory of Immunology and Molecular Biology, São Leopoldo Mandic Institute and Researcher Center, Campinas, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes s/n, 14050-490, Ribeirão Preto, São Paulo, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes s/n, 14050-490, Ribeirão Preto, São Paulo, Brazil
| | - Leonardo F Fraceto
- Department of Environmental Engineering, São Paulo State University, Sorocaba, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes s/n, 14050-490, Ribeirão Preto, São Paulo, Brazil
| | - Marcelo H Napimoga
- Laboratory of Immunology and Molecular Biology, São Leopoldo Mandic Institute and Researcher Center, Campinas, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Universidade Estadual de Londrina-UEL, Avenida Robert Koch, 60, Hospital Universitário, 86038-350, Londrina, Paraná, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil.
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47
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The Effects of Neurokinin-1 Receptor Antagonist in an Experimental Autoimmune Cystitis Model Resembling Bladder Pain Syndrome/Interstitial Cystitis. Inflammation 2018; 42:246-254. [DOI: 10.1007/s10753-018-0888-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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48
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Neutrophils contribute to the pathogenesis of hemorrhagic cystitis induced by ifosfamide. Int Immunopharmacol 2018; 62:96-108. [DOI: 10.1016/j.intimp.2018.06.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Revised: 06/15/2018] [Accepted: 06/21/2018] [Indexed: 01/13/2023]
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49
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Ebersberger A. The analgesic potential of cytokine neutralization with biologicals. Eur J Pharmacol 2018; 835:19-30. [DOI: 10.1016/j.ejphar.2018.07.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/26/2018] [Accepted: 07/19/2018] [Indexed: 12/13/2022]
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50
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Saraiva AL, Veras FP, Peres RS, Talbot J, de Lima KA, Luiz JP, Carballido JM, Cunha TM, Cunha FQ, Ryffel B, Alves-Filho JC. Succinate receptor deficiency attenuates arthritis by reducing dendritic cell traffic and expansion of T h17 cells in the lymph nodes. FASEB J 2018; 32:fj201800285. [PMID: 29894669 DOI: 10.1096/fj.201800285] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Rheumatoid arthritis is a chronic inflammatory disease that leads to significant changes in metabolic activity. Succinate, an intermediate of the tricarboxylic acid cycle, has emerged as a metabolic mediator of the innate immune response. However, the involvement of succinate in the generation of the adaptive immune response and establishment of autoimmune response has not been addressed thus far. Here we demonstrated that the succinate-sensing receptor (Sucnr1/GPR91) plays a critical role in the development of immune-mediated arthritis. We found that Sucnr1 acts as a chemotactic gradient sensor that guides dendritic cells (DCs) into the lymph nodes, orchestrating the expansion of the T helper (Th)17-cell population and the development of experimental antigen-induced arthritis. Sucnr1-/- mice show reduced articular hyperalgesia, neutrophil infiltration and inflammatory cytokines in the joint, and reduced frequency of Th17 cells in draining lymph nodes. Adoptive transfer of wild-type (WT) DCs into Sucnr1-/- mice restored the development of arthritis. Moreover, DC-depleted mice transferred with Sucnr1-/- DCs developed less arthritis than mice transferred with WT DCs. In contrast, succinate given together with the immunization boosted the recruitment of DCs and the frequency of Th17 cells in draining lymph nodes, increasing arthritis severity. Therefore, the blockade of Sucnr1 may represent a novel therapeutic target of arthritis.-Saraiva, A. L., Veras, F. P., Peres, R. S., Talbot, J., de Lima, K. A., Luiz, J. P., Carballido, J. M., Cunha, T. M., Cunha, F. Q., Ryffel, B., Alves-Filho, J. C. Succinate receptor deficiency attenuates arthritis by reducing dendritic cell traffic and expansion of Th17 cells in the lymph nodes.
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Affiliation(s)
- André L Saraiva
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Flávio P Veras
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Raphael S Peres
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Jhimmy Talbot
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Kalil A de Lima
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - João P Luiz
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | | | - Thiago M Cunha
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
- Center for Research in Inflammatory Diseases, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
- Center for Research in Inflammatory Diseases, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
| | - Bernhard Ryffel
- Molecular and Experimental Immunology and Neurogenetics, Unité Mixte de Recherche 7355 Centre National de la Recherche Scientifique, University of Orleans, Orleans, France
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
- Center for Research in Inflammatory Diseases, Ribeirao Preto Medical School, University of Sao Paulo, Sao Paulo, Brazil
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