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Zhang S, Li D, Fan M, Yuan J, Xie C, Yuan H, Xie H, Gao H. Mechanism of Reactive Oxygen Species-Guided Immune Responses in Gouty Arthritis and Potential Therapeutic Targets. Biomolecules 2024; 14:978. [PMID: 39199366 PMCID: PMC11353092 DOI: 10.3390/biom14080978] [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: 07/04/2024] [Revised: 08/02/2024] [Accepted: 08/06/2024] [Indexed: 09/01/2024] Open
Abstract
Gouty arthritis (GA) is an inflammatory disease caused by monosodium urate (MSU) crystals deposited in the joint tissues causing severe pain. The disease can recur frequently and tends to form tophus in the joints. Current therapeutic drugs for the acute phase of GA have many side effects and limitations, are unable to prevent recurrent GA attacks and tophus formation, and overall efficacy is unsatisfactory. Therefore, we need to advance research on the microscopic mechanism of GA and seek safer and more effective drugs through relevant targets to block the GA disease process. Current research shows that the pathogenesis of GA is closely related to NLRP3 inflammation, oxidative stress, MAPK, NET, autophagy, and Ferroptosis. However, after synthesizing and sorting out the above mechanisms, it is found that the presence of ROS is throughout almost the entire spectrum of micro-mechanisms of the gout disease process, which combines multiple immune responses to form a large network diagram of complex and tight connections involved in the GA disease process. Current studies have shown that inflammation, oxidative stress, cell necrosis, and pathological signs of GA in GA joint tissues can be effectively suppressed by modulating ROS network-related targets. In this article, on the one hand, we investigated the generative mechanism of ROS network generation and its association with GA. On the other hand, we explored the potential of related targets for the treatment of gout and the prevention of tophus formation, which can provide effective reference ideas for the development of highly effective drugs for the treatment of GA.
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Affiliation(s)
- Sai Zhang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Daocheng Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Mingyuan Fan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Jiushu Yuan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Chunguang Xie
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Haipo Yuan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Hongyan Xie
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
| | - Hong Gao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; (S.Z.)
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Chengdu 610072, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610032, China
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2
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Bork F, Greve CL, Youn C, Chen S, N C Leal V, Wang Y, Fischer B, Nasri M, Focken J, Scheurer J, Engels P, Dubbelaar M, Hipp K, Zalat B, Szolek A, Wu MJ, Schittek B, Bugl S, Kufer TA, Löffler MW, Chamaillard M, Skokowa J, Kramer D, Archer NK, Weber ANR. naRNA-LL37 composite DAMPs define sterile NETs as self-propagating drivers of inflammation. EMBO Rep 2024; 25:2914-2949. [PMID: 38783164 PMCID: PMC11239898 DOI: 10.1038/s44319-024-00150-5] [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: 08/24/2023] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 05/25/2024] Open
Abstract
Neutrophil extracellular traps (NETs) are a key antimicrobial feature of cellular innate immunity mediated by polymorphonuclear neutrophils (PMNs). NETs counteract microbes but are also linked to inflammation in atherosclerosis, arthritis, or psoriasis by unknown mechanisms. Here, we report that NET-associated RNA (naRNA) stimulates further NET formation in naive PMNs via a unique TLR8-NLRP3 inflammasome-dependent pathway. Keratinocytes respond to naRNA with expression of psoriasis-related genes (e.g., IL17, IL36) via atypical NOD2-RIPK signaling. In vivo, naRNA drives temporary skin inflammation, which is drastically ameliorated by genetic ablation of RNA sensing. Unexpectedly, the naRNA-LL37 'composite damage-associated molecular pattern (DAMP)' is pre-stored in resting neutrophil granules, defining sterile NETs as inflammatory webs that amplify neutrophil activation. However, the activity of the naRNA-LL37 DAMP is transient and hence supposedly self-limiting under physiological conditions. Collectively, upon dysregulated NET release like in psoriasis, naRNA sensing may represent both a potential cause of disease and a new intervention target.
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Affiliation(s)
- Francesca Bork
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Carsten L Greve
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Christine Youn
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Sirui Chen
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Vinicius N C Leal
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Science, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Yu Wang
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Berenice Fischer
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Masoud Nasri
- Division of Translational Oncology, Department of Oncology, Hematology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Otfried-Müller Str. 10, 72076, Tübingen, Germany
| | - Jule Focken
- Department of Dermatology, University Hospital Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Germany
| | - Jasmin Scheurer
- Department of Dermatology, University Hospital Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Germany
| | - Pujan Engels
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Marissa Dubbelaar
- Institute of Immunology, Department of Peptide-based Immunotherapy, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
- Quantitative Biology Center (QBiC), University of Tübingen, Auf der Morgenstelle 10, 72076, Tübingen, Germany
| | - Katharina Hipp
- Electron Microscopy Facility, Max Planck Institute for Biology Tübingen, Max-Planck-Ring 5, 72076, Tübingen, Germany
| | - Baher Zalat
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Andras Szolek
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Meng-Jen Wu
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Birgit Schittek
- Department of Dermatology, University Hospital Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Germany
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- CMFI - Cluster of Excellence (EXC 2124) "Controlling microbes to fight infection", University of Tübingen, Tübingen, Germany
| | - Stefanie Bugl
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Thomas A Kufer
- Institute of Nutritional Medicine, Department of Immunology, University of Hohenheim, Fruwirthstr. 12, 70593, Stuttgart, Germany
| | - Markus W Löffler
- Institute of Immunology, Department of Peptide-based Immunotherapy, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Institute for Clinical and Experimental Transfusion Medicine, Medical Faculty, University of Tübingen, Otfried-Müller-Str. 4/1, 72076, Tübingen, Germany
| | - Mathias Chamaillard
- University of Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Centre d'Infection et d'Immunité de Lille, F-59000, Lille, France
| | - Julia Skokowa
- Division of Translational Oncology, Department of Oncology, Hematology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Otfried-Müller Str. 10, 72076, Tübingen, Germany
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Daniela Kramer
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Nathan K Archer
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Alexander N R Weber
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany.
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany.
- CMFI - Cluster of Excellence (EXC 2124) "Controlling microbes to fight infection", University of Tübingen, Tübingen, Germany.
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Liu R, Liu H, Yang L, Li C, Yin G, Xie Q. Pathogenic role and clinical significance of neutrophils and neutrophil extracellular traps in idiopathic inflammatory myopathies. Clin Exp Med 2024; 24:115. [PMID: 38814339 PMCID: PMC11139741 DOI: 10.1007/s10238-024-01384-2] [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: 04/08/2024] [Accepted: 05/21/2024] [Indexed: 05/31/2024]
Abstract
Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of chronic autoimmune diseases characterized by muscle damage and extramuscular symptoms, including specific skin rash, arthritis, interstitial lung disease, and cardiac involvement. While the etiology and pathogenesis of IIM are not yet fully understood, emerging evidence suggests that neutrophils and neutrophil extracellular traps (NETs) have a role in the pathogenesis. Recent research has identified increased levels of circulating and tissue neutrophils as well as NETs in patients with IIM; these contribute to the activation of the type I and type II interferons pathway. During active IIM disease, myositis-specific antibodies are associated with the formation and incomplete degradation of NETs, leading to damage in the lungs, muscles, and blood vessels of patients. This review focuses on the pathogenic role and clinical significance of neutrophils and NETs in IIM, and it includes a discussion of potential targeted treatment strategies.
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Affiliation(s)
- Ruiting Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Hongjiang Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Leiyi Yang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Changpei Li
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Geng Yin
- Health Management Center, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Qibing Xie
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China.
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4
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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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5
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Nunez JH, Juan C, Sun Y, Hong J, Bancroft AC, Hwang C, Medrano JM, Huber AK, Tower RJ, Levi B. Neutrophil and NETosis Modulation in Traumatic Heterotopic Ossification. Ann Surg 2023; 278:e1289-e1298. [PMID: 37325925 PMCID: PMC10724380 DOI: 10.1097/sla.0000000000005940] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
OBJECTIVE To characterize the role of neutrophil extracellular traps (NETs) in heterotopic ossification (HO) formation and progression and to use mechanical and pharmacological methods to decrease NETosis and mitigate HO formation. BACKGROUND Traumatic HO is the aberrant osteochondral differentiation of mesenchymal progenitor cells after traumatic injury, burns, or surgery. While the innate immune response has been shown to be necessary for HO formation, the specific immune cell phenotype and function remain unknown. Neutrophils, one of the earliest immune cells to respond after HO-inducing injuries, can extrude DNA, forming highly inflammatory NETs. We hypothesized that neutrophils and NETs would be diagnostic biomarkers and therapeutic targets for the detection and mitigation of HO. METHODS C57BL6J mice underwent burn/tenotomy (a well-established mouse model of HO) or a non-HO-forming sham injury. These mice were either (1) ambulated ad libitum, (2) ambulated ad libitum with daily intraperitoneal hydroxychloroquine, ODN-2088 (both known to affect NETosis pathways), or control injections, or (3) had the injured hind limb immobilized. Single-cell analysis was performed to analyze neutrophils, NETosis, and downstream signaling after the HO-forming injury. Immunofluorescence microscopy was used to visualize NETosis at the HO site and neutrophils were identified using flow cytometry. Serum and cell lysates from HO sites were analyzed using enzyme-linked immunosorbent assay for myeloperoxidase-DNA and ELA2-DNA complexes to identify NETosis. Micro-computerized tomography was performed on all groups to analyze the HO volume. RESULTS Molecular and transcriptional analyses revealed the presence of NETs within the HO injury site, which peaked in the early phases after injury. These NETs were highly restricted to the HO site, with gene signatures derived from both in vitro NET induction and clinical neutrophil characterizations showing a high degree of NET "priming" at the site of injury, but not in neutrophils in the blood or bone marrow. Cell-cell communication analyses revealed that this localized NET formation coincided with high levels of toll-like receptor signaling specific to neutrophils at the injury site. Reducing the overall neutrophil abundance within the injury site, either pharmacologically through treatment with hydroxychloroquine, the toll-like receptor 9 inhibitor OPN-2088, or mechanical treatment with limb offloading, results in the mitigation of HO formation. CONCLUSIONS These data provide a further understanding of the ability of neutrophils to form NETs at the injury site, clarify the role of neutrophils in HO, and identify potential diagnostic and therapeutic targets for HO mitigation.
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Affiliation(s)
- Johanna H Nunez
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Conan Juan
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Yuxiao Sun
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Jonathan Hong
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Alec C Bancroft
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Charles Hwang
- Department of Plastic Surgery, Harvard University, Cambridge, MA
| | - Jessica Marie Medrano
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Amanda K Huber
- Department of Radiation Oncology, University of Michigan, Ann Arbor, MI
| | - Robert J Tower
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
| | - Benjamin Levi
- Department of Surgery, Center for Organogenesis and Trauma, University of Texas, Southwestern, Dallas, TX
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6
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Elsaid K, Merriman TR, Rossitto LA, Liu-Bryan R, Karsh J, Phipps-Green A, Jay GD, Elsayed S, Qadri M, Miner M, Cadzow M, Dambruoso TJ, Schmidt TA, Dalbeth N, Chhana A, Höglund J, Ghassemian M, Campeau A, Maltez N, Karlsson NG, Gonzalez DJ, Terkeltaub R. Amplification of Inflammation by Lubricin Deficiency Implicated in Incident, Erosive Gout Independent of Hyperuricemia. Arthritis Rheumatol 2023; 75:794-805. [PMID: 36457235 PMCID: PMC10191887 DOI: 10.1002/art.42413] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 10/26/2022] [Accepted: 11/22/2022] [Indexed: 12/04/2022]
Abstract
OBJECTIVE In gout, hyperuricemia promotes urate crystal deposition, which stimulates the NLRP3 inflammasome and interleukin-1β (IL-1β)-mediated arthritis. Incident gout without background hyperuricemia is rarely reported. To identify hyperuricemia-independent mechanisms driving gout incidence and progression, we characterized erosive urate crystalline inflammatory arthritis in a young female patient with normouricemia diagnosed as having sufficient and weighted classification criteria for gout according to the American College of Rheumatology (ACR)/EULAR gout classification criteria (the proband). METHODS We conducted whole-genome sequencing, quantitative proteomics, whole-blood RNA-sequencing analysis using serum samples from the proband. We used a mouse model of IL-1β-induced knee synovitis to characterize proband candidate genes, biomarkers, and pathogenic mechanisms of gout. RESULTS Lubricin level was attenuated in human proband serum and associated with elevated acute-phase reactants and inflammatory whole-blood transcripts and transcriptional pathways. The proband had predicted damaging gene variants of NLRP3 and of inter-α trypsin inhibitor heavy chain 3, an inhibitor of lubricin-degrading cathepsin G. Changes in the proband's serum protein interactome network supported enhanced lubricin degradation, with cathepsin G activity increased relative to its inhibitors, SERPINB6 and thrombospondin 1. Activation of Toll-like receptor 2 (TLR-2) suppressed levels of lubricin mRNA and lubricin release in cultured human synovial fibroblasts (P < 0.01). Lubricin blunted urate crystal precipitation and IL-1β induction of xanthine oxidase and urate in cultured macrophages (P < 0.001). In lubricin-deficient mice, injection of IL-1β in knees increased xanthine oxidase-positive synovial resident M1 macrophages (P < 0.05). CONCLUSION Our findings linked normouricemic erosive gout to attenuated lubricin, with impaired control of cathepsin G activity, compounded by deleterious NLRP3 variants. Lubricin suppressed monosodium urate crystallization and blunted IL-1β-induced increases in xanthine oxidase and urate in macrophages. The collective activities of articular lubricin that could limit incident and erosive gouty arthritis independently of hyperuricemia are subject to disruption by inflammation, activated cathepsin G, and synovial fibroblast TLR-2 signaling.
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Affiliation(s)
- Khaled Elsaid
- Chapman University School of Pharmacy, Irvine, California
| | - Tony R Merriman
- Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, and Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Leigh-Ana Rossitto
- Department of Pharmacology, School of Medicine, and Skaggs School of Pharmacy and Pharmaceutical Sciences, UC San Diego, California
| | - Ru Liu-Bryan
- VA San Diego Healthcare System, San Diego, and Department of Medicine, UC San Diego, La Jolla, California
| | - Jacob Karsh
- The Ottawa Hospital, Division of Rheumatology, University of Ottawa, Canada
| | | | - Gregory D Jay
- Department of Emergency Medicine, Alpert School of Medicine, and Division of Biomedical Engineering, School of Engineering, Brown University, Rhode, Island
| | - Sandy Elsayed
- Chapman University School of Pharmacy, Irvine, California
| | | | - Marin Miner
- VA San Diego Healthcare System, San Diego, California
| | - Murray Cadzow
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Talia J Dambruoso
- Division of Biomedical Engineering, School of Engineering, Brown University, Rhode, Island
| | - Tannin A Schmidt
- Biomedical Engineering Department, School of Dental Medicine, UConn Health, Farmington, Connecticut
| | - Nicola Dalbeth
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Ashika Chhana
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Jennifer Höglund
- Department of Medical Biochemistry, Institute for Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Majid Ghassemian
- Biomolecular and Proteomics Mass Spectrometry Facility, Department of Chemistry/Biochemistry, UC San Diego
| | - Anaamika Campeau
- Department of Pharmacology, School of Medicine, and Skaggs School of Pharmacy and Pharmaceutical Sciences, UC San Diego, California
| | - Nancy Maltez
- The Ottawa Hospital, Division of Rheumatology, University of Ottawa, Canada
| | - Niclas G Karlsson
- Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway, and Department of Medical Biochemistry, Institute for Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - David J Gonzalez
- Department of Pharmacology, School of Medicine, and Skaggs School of Pharmacy and Pharmaceutical Sciences, Collaborative Center for Multiplexed Proteomics, Program for Integrative Omics and Data Science in Disease Prevention and Therapeutics, UC San Diego, La Jolla, California
| | - Robert Terkeltaub
- VA San Diego Healthcare System and Department of Medicine, UC San Diego
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7
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Tan H, Li Z, Zhang S, Zhang J, Jia E. Novel perception of neutrophil extracellular traps in gouty inflammation. Int Immunopharmacol 2023; 115:109642. [PMID: 36608445 DOI: 10.1016/j.intimp.2022.109642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 01/05/2023]
Abstract
The self-limiting nature of the inflammatory flare is a feature of gout. The effects of neutrophil extracellular traps (NETs) on gout have remarkably attracted researchers' attention. Aggregated NETs promote the resolution of gouty inflammation by packing monosodium urate (MSU) crystals, degrading cytokines and chemokines, and blocking neutrophil recruitment and activation. Deficiency of NETs aggravates experimental gout. Thus, aggregated NETs are assumed to be a possible mechanism for the spontaneous resolution of gout. It is feasible to envisage therapeutic strategies for targeting NETosis (NET formation process) in gout. However, recent studies have demonstrated that levels of NETs are not associated with disease activity and inflammation in human gout. Moreover, the process of MSU crystal trapping is not affected in the absence of neutrophils. This review has concentrated on the mechanisms and associations between NETs and gout.
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Affiliation(s)
- Haibo Tan
- Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen 518033, Guangdong, PR China
| | - Zhiling Li
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen 518033, Guangdong, PR China
| | - Shan Zhang
- Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen 518033, Guangdong, PR China
| | - Jianyong Zhang
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen 518033, Guangdong, PR China; The Department of Rheumatology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen 518033, Guangdong, PR China.
| | - Ertao Jia
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen 518033, Guangdong, PR China; The Department of Rheumatology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen 518033, Guangdong, PR China.
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Torres-Ruiz J, Alcalá-Carmona B, Alejandre-Aguilar R, Gómez-Martín D. Inflammatory myopathies and beyond: The dual role of neutrophils in muscle damage and regeneration. Front Immunol 2023; 14:1113214. [PMID: 36923415 PMCID: PMC10008923 DOI: 10.3389/fimmu.2023.1113214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/15/2023] [Indexed: 03/03/2023] Open
Abstract
Skeletal muscle is one of the most abundant tissues of the human body and is responsible for the generation of movement. Muscle injuries can lead to severe disability. Skeletal muscle is characterized by an important regeneration capacity, which is possible due to the interaction between the myoblasts and immune cells. Neutrophils are fundamental as inducers of muscle damage and as promoters of the initial inflammatory response which eventually allows the muscle repair. The main functions of the neutrophils are phagocytosis, respiratory burst, degranulation, and the production of neutrophil extracellular traps (NETs). An overactivation of neutrophils after muscle injuries may lead to an expansion of the initial damage and can hamper the successful muscle repair. The importance of neutrophils as inducers of muscle damage extends beyond acute muscle injury and recently, neutrophils have become more relevant as part of the immunopathogenesis of chronic muscle diseases like idiopathic inflammatory myopathies (IIM). This heterogeneous group of systemic autoimmune diseases is characterized by the presence of muscle inflammation with a variable amount of extramuscular features. In IIM, neutrophils have been found to have a role as biomarkers of disease activity, and their expansion in peripheral blood is related to certain clinical features like interstitial lung disease (ILD) and cancer. On the other hand, low density granulocytes (LDG) are a distinctive subtype of neutrophils characterized by an enhanced production of NETs. These cells along with the NETs have also been related to disease activity and certain clinical features like ILD, vasculopathy, calcinosis, dermatosis, and cutaneous ulcers. The role of NETs in the immunopathogenesis of IIM is supported by an enhanced production and deficient degradation of NETs that have been observed in patients with dermatomyositis and anti-synthetase syndrome. Finally, new interest has arisen in the study of other phenotypes of LDG with a phenotype corresponding to myeloid-derived suppressor cells, which were also found to be expanded in patients with IIM and were related to disease activity. In this review, we discuss the role of neutrophils as both orchestrators of muscle repair and inducers of muscle damage, focusing on the immunopathogenesis of IIM.
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Affiliation(s)
- Jiram Torres-Ruiz
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Beatriz Alcalá-Carmona
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.,Laboratory of Entomology, Department of Parasitology, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Ricardo Alejandre-Aguilar
- Laboratory of Entomology, Department of Parasitology, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Diana Gómez-Martín
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
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Kober KM, Harris C, Conley YP, Dhruva A, Dokiparthi V, Hammer MJ, Levine JD, Oppegaard K, Paul S, Shin J, Sucher A, Wright F, Yuen B, Olshen AB, Miaskowski C. Perturbations in common and distinct inflammatory pathways associated with morning and evening fatigue in outpatients receiving chemotherapy. Cancer Med 2022; 12:7369-7380. [PMID: 36373573 PMCID: PMC10067125 DOI: 10.1002/cam4.5435] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/24/2022] [Accepted: 10/29/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Moderate to severe fatigue occurs in up to 94% of patients with cancer. Recent evidence suggests that morning and evening fatigue are distinct dimensions of physical fatigue. The purposes of this study were to evaluate the transcriptome for common and distinct perturbed inflammatory pathways in patients receiving chemotherapy who reported low versus high levels of morning or low versus high levels of evening cancer-related fatigue. METHODS Patients completed questionnaires during the week prior to their chemotherapy treatment. Severity of morning and evening fatigue was evaluated using the Lee Fatigue Scale. Gene expression and pathway impact analyses (PIA) were performed in two independent samples using RNA-sequencing (n = 357) and microarray (n = 360). Patterns of interactions between and among these perturbed pathways were evaluated using a knowledge network (KN). RESULTS Across the PIA, nine perturbed pathways (FDR < 0.025) were common to both morning and evening fatigue, six were distinct for morning fatigue, and four were distinct for evening fatigue. KN (19 nodes, 39 edges) identified the phosphatidylinositol 3-kinase (PI3K)-Akt pathway node (perturbed in evening fatigue) with the highest betweenness (0.255) and closeness (0.255) centrality indices. The next highest betweenness centrality indices were seen in pathways perturbed in evening fatigue (i.e., nuclear factor kappa B: 0.200, natural killer cell-mediated cytotoxicity: 0.178, mitogen-activated protein kinase: 0.175). CONCLUSIONS This study describes perturbations in common and distinct inflammatory pathways associated with morning and/or evening fatigue. PI3K-Akt was identified as a bottleneck pathway. The analysis identified potential targets for therapeutic interventions for this common and devastating clinical problem.
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Affiliation(s)
- Kord M. Kober
- School of Nursing University of California San Francisco California USA
- Helen Diller Family Comprehensive Cancer Center University of California San Francisco California USA
| | - Carolyn Harris
- School of Nursing University of California San Francisco California USA
| | - Yvette P. Conley
- School of Nursing University of Pittsburg Pittsburg Pennsylvania USA
| | - Anand Dhruva
- School of Medicine University of California San Francisco California USA
| | - Vasuda Dokiparthi
- School of Nursing University of California San Francisco California USA
| | | | - Jon D. Levine
- School of Medicine University of California San Francisco California USA
| | - Kate Oppegaard
- School of Nursing University of California San Francisco California USA
| | - Steven Paul
- School of Nursing University of California San Francisco California USA
| | - Joosun Shin
- School of Nursing University of California San Francisco California USA
| | - Anatol Sucher
- School of Nursing University of California San Francisco California USA
| | - Fay Wright
- Rory Meyers College of Nursing, New York University New York New York USA
| | - Brian Yuen
- School of Nursing University of California San Francisco California USA
| | - Adam B. Olshen
- Helen Diller Family Comprehensive Cancer Center University of California San Francisco California USA
- School of Nursing University of Pittsburg Pittsburg Pennsylvania USA
| | - Christine Miaskowski
- School of Nursing University of California San Francisco California USA
- Helen Diller Family Comprehensive Cancer Center University of California San Francisco California USA
- School of Medicine University of California San Francisco California USA
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