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Nishibata Y, Arai S, Taniguchi M, Nakade I, Ogawa H, Kitano S, Hosoi Y, Shindo A, Nishiyama R, Masuda S, Nakazawa D, Tomaru U, Shimizu T, Sinko W, Nagakura T, Terada Y, Ishizu A. Cathepsin C inhibition reduces neutrophil serine protease activity and improves activated neutrophil-mediated disorders. Nat Commun 2024; 15:6519. [PMID: 39174512 PMCID: PMC11341692 DOI: 10.1038/s41467-024-50747-6] [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: 08/02/2023] [Accepted: 07/18/2024] [Indexed: 08/24/2024] Open
Abstract
Cathepsin C (CatC) is an enzyme which regulates the maturation of neutrophil serine proteases (NSPs) essential for neutrophil activation. Activated neutrophils are key players in the innate immune system, and are also implicated in the etiology of various inflammatory diseases. This study aims to demonstrate a therapeutic potential for CatC inhibitors against disorders in which activated neutrophil-derived neutrophil extracellular traps (NETs) play a significant role. We demonstrate that a CatC inhibitor, MOD06051, dose-dependently suppresses the cellular activity of NSPs, including neutrophil elastase (NE), in vitro. Neutrophils derived from MOD06051-administered rats exhibit significantly lower NE activity and NET-forming ability than controls. Furthermore, MOD06051 dose-dependently ameliorates vasculitis and significantly decreases NETs when administered to a rat model of myeloperoxidase (MPO)-antineutrophil cytoplasmic antibody-associated vasculitis (AAV). These findings suggest that CatC inhibition is a promising strategy to reduce neutrophil activation and improve activated neutrophil-mediated diseases such as MPO-AAV.
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Affiliation(s)
- Yuka Nishibata
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Suishin Arai
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Mai Taniguchi
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Issei Nakade
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Hodaka Ogawa
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Shota Kitano
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Yumeka Hosoi
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Ayano Shindo
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Ryo Nishiyama
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Sakiko Masuda
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Daigo Nakazawa
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Utano Tomaru
- Department of Surgical Pathology, Hokkaido University Hospital, Sapporo, Japan
| | | | | | | | | | - Akihiro Ishizu
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan.
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Shiratori-Aso S, Nakazawa D. The involvement of NETs in ANCA-associated vasculitis. Front Immunol 2023; 14:1261151. [PMID: 37781373 PMCID: PMC10539550 DOI: 10.3389/fimmu.2023.1261151] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/29/2023] [Indexed: 10/03/2023] Open
Abstract
Anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (AAV) is a serious autoimmune disease that is characterized by vascular necrosis. The pathogenesis of AAV includes ANCA-mediated neutrophil activation, subsequent release of inflammatory cytokines and reactive oxygen species (ROS), and formation of neutrophil extracellular traps (NETs). Excessive NETs could participate not only in ANCA-mediated vascular injury but also in the production of ANCAs per se as autoantigens. Thus, a vicious cycle of NET formation and ANCA production is critical for AAV pathogenesis. Elucidating the molecular signaling pathways in aberrant neutrophil activation and NETs clearance systems will allow specific therapeutics to regulate these pathways. Currently, standard therapy with high doses of glucocorticoids and immunosuppressants has improved outcomes in patients with AAV. However, AAV frequently develops in elderly people, and adverse effects such as severe infections in the standard regimens might contribute to the mortality. Mechanistically, cytokines or complement factors activate and prime neutrophils for ANCA-binding; thus, C5a receptor blocker has garnered attention as potential replacement for glucocorticoids in clinical settings. Recent studies have demonstrated that receptor-interacting protein kinases (RIPK3) and cyclophilin D (CypD), which regulate cell necrosis, may be involved in ANCA-induced NETs formation. Meanwhile, targeting NETs clearance, including the addition of deoxyribonuclease I (DNase I) and macrophage engulfment, may improve vasculitis. In this review, we focus on the pathogenesis of NETs and discuss potential targeted therapies for AAV based on recent experimental evidence.
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Affiliation(s)
| | - Daigo Nakazawa
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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Watanabe H, Kubo M, Taniguchi A, Asano Y, Hiramatsu-Asano S, Ohashi K, Zeggar S, Katsuyama E, Katsuyama T, Sunahori-Watanabe K, Sada KE, Matsumoto Y, Yamamoto Y, Yamamoto H, Son M, Wada J. Amelioration of nephritis in receptor for advanced glycation end-products (RAGE)-deficient lupus-prone mice through neutrophil extracellular traps. Clin Immunol 2023; 250:109317. [PMID: 37015317 PMCID: PMC10234279 DOI: 10.1016/j.clim.2023.109317] [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: 02/20/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 04/04/2023]
Abstract
The receptor for advanced glycation end-products (RAGE) is a pattern recognition receptor that regulates inflammation, cell migration, and cell fate. Systemic lupus erythematosus (SLE) is a chronic multiorgan autoimmune disease. To understand the function of RAGE in SLE, we generated RAGE-deficient (Ager-/-) lupus-prone mice by backcrossing MRL/MpJ-Faslpr/J (MRL-lpr) mice with Ager-/- C57BL/6 mice. In 18-week-old Ager-/- MRL-lpr, the weights of the spleen and lymph nodes, as well as the frequency of CD3+CD4-CD8- cells, were significantly decreased. Ager-/- MRL-lpr mice had significantly reduced urine albumin/creatinine ratios and markedly improved renal pathological scores. Moreover, neutrophil infiltration and neutrophil extracellular trap formation in the glomerulus were significantly reduced in Ager-/- MRL-lpr. Our study is the first to reveal that RAGE can have a pathologic role in immune cells, particularly neutrophils and T cells, in inflammatory tissues and suggests that the inhibition of RAGE may be a potential therapeutic strategy for SLE.
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Affiliation(s)
- Haruki Watanabe
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan; Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA.
| | - Masataka Kubo
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Akihiko Taniguchi
- Department of Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Yosuke Asano
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Sumie Hiramatsu-Asano
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Keiji Ohashi
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Sonia Zeggar
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Eri Katsuyama
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Takayuki Katsuyama
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Katsue Sunahori-Watanabe
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Ken-Ei Sada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshinori Matsumoto
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hiroshi Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan; Komatsu University, Komatsu, Japan
| | - Myoungsun Son
- Institute of Molecular Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Nakazawa D, Takeda Y, Kanda M, Tomaru U, Ogawa H, Kudo T, Shiratori‐Aso S, Watanabe‐Kusunoki K, Ueda Y, Miyoshi A, Hattanda F, Nishio S, Uozumi R, Ishizu A, Atsumi T. Transcriptional dynamics of granulocytes in direct response to incubation with SARS-CoV-2. FEBS Open Bio 2022; 13:60-71. [PMID: 36271697 PMCID: PMC9808587 DOI: 10.1002/2211-5463.13500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 10/12/2022] [Accepted: 10/20/2022] [Indexed: 01/07/2023] Open
Abstract
Severe coronavirus disease 2019 (COVID-19) is characterized by acute respiratory distress syndrome and multiple organ dysfunction, in which the host immune response plays a pivotal role. Excessive neutrophil activation and subsequent superfluity of neutrophil extracellular traps (NETs) can lead to tissue damage, and several studies have shown the involvement of neutrophils in severe COVID-19. However, the detailed responses of each neutrophil subset to SARS-CoV-2 infection has not been fully described. To explore this issue, we incubated normal-density granulocytes (NDGs) and low-density granulocytes (LDGs) with different viral titers of SARS-CoV-2. NDGs form NETs with chromatin fibers in response to SARS-CoV-2, whereas LDGs incubated with SARS-CoV-2 display a distinct morphology with condensed nuclei and moderate transcriptional changes. Based on these transcriptional changes, we suggest that AGO2 possibly plays a role in LDG regulation in response to SARS-CoV-2.
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Affiliation(s)
- Daigo Nakazawa
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Yohei Takeda
- Research Center for Global AgromedicineObihiro University of Agriculture and Veterinary MedicineJapan,Department of Veterinary MedicineObihiro University of Agriculture and Veterinary MedicineJapan
| | - Masatoshi Kanda
- Department of Rheumatology and Clinical ImmunologySapporo Medical UniversityJapan
| | - Utano Tomaru
- Department of Pathology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Haruko Ogawa
- Department of Veterinary MedicineObihiro University of Agriculture and Veterinary MedicineJapan
| | - Takashi Kudo
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Satoka Shiratori‐Aso
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Kanako Watanabe‐Kusunoki
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Yusho Ueda
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Atsuko Miyoshi
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Fumihiko Hattanda
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Saori Nishio
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Ryo Uozumi
- Division of Laboratory and Transfusion MedicineHokkaido University HospitalSapporoJapan
| | - Akihiro Ishizu
- Department of Medical Laboratory Science, Faculty of Health SciencesHokkaido UniversitySapporoJapan
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
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An Update on the Pathogenic Role of Neutrophils in Systemic Juvenile Idiopathic Arthritis and Adult-Onset Still's Disease. Int J Mol Sci 2021; 22:ijms222313038. [PMID: 34884842 PMCID: PMC8657670 DOI: 10.3390/ijms222313038] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 11/30/2021] [Accepted: 11/30/2021] [Indexed: 12/23/2022] Open
Abstract
Neutrophils are innate immune phagocytes that play a key role in immune defense against invading pathogens. The main offensive mechanisms of neutrophils are the phagocytosis of pathogens, release of granules, and production of cytokines. The formation of neutrophil extracellular traps (NETs) has been described as a novel defense mechanism in the literature. NETs are a network of fibers assembled from chromatin deoxyribonucleic acid, histones, and neutrophil granule proteins that have the ability to kill pathogens, while they can also cause toxic effects in hosts. Activated neutrophils with NET formation stimulate autoimmune responses related to a wide range of inflammatory autoimmune diseases by exposing autoantigens in susceptible individuals. The association between increased NET formation and autoimmunity was first reported in antineutrophil cytoplasmic antibody-related vasculitis, and the role of NETs in various diseases, including systemic lupus erythematosus, rheumatoid arthritis, and psoriasis, has since been elucidated in research. Herein, we discuss the mechanistic role of neutrophils, including NETs, in the pathogenesis of systemic juvenile idiopathic arthritis (SJIA) and adult-onset Still’s disease (AOSD), and provide their clinical values as biomarkers for monitoring and prognosis.
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Mun Y, Hwang JS, Shin YJ. Role of Neutrophils on the Ocular Surface. Int J Mol Sci 2021; 22:10386. [PMID: 34638724 PMCID: PMC8508808 DOI: 10.3390/ijms221910386] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/16/2021] [Accepted: 09/23/2021] [Indexed: 02/07/2023] Open
Abstract
The ocular surface is a gateway that contacts the outside and receives stimulation from the outside. The corneal innate immune system is composed of many types of cells, including epithelial cells, fibroblasts, natural killer cells, macrophages, neutrophils, dendritic cells, mast cells, basophils, eosinophils, mucin, and lysozyme. Neutrophil infiltration and degranulation occur on the ocular surface. Degranulation, neutrophil extracellular traps formation, called NETosis, and autophagy in neutrophils are involved in the pathogenesis of ocular surface diseases. It is necessary to understand the role of neutrophils on the ocular surface. Furthermore, there is a need for research on therapeutic agents targeting neutrophils and neutrophil extracellular trap formation for ocular surface diseases.
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Affiliation(s)
- Yongseok Mun
- Department of Ophthalmology, Hallym University Medical Center, Hallym University College of Medicine, Seoul 07442, Korea; (Y.M.); (J.S.H.)
- Hallym BioEyeTech Research Center, Hallym University College of Medicine, Seoul 07442, Korea
| | - Jin Sun Hwang
- Department of Ophthalmology, Hallym University Medical Center, Hallym University College of Medicine, Seoul 07442, Korea; (Y.M.); (J.S.H.)
- Hallym BioEyeTech Research Center, Hallym University College of Medicine, Seoul 07442, Korea
| | - Young Joo Shin
- Department of Ophthalmology, Hallym University Medical Center, Hallym University College of Medicine, Seoul 07442, Korea; (Y.M.); (J.S.H.)
- Hallym BioEyeTech Research Center, Hallym University College of Medicine, Seoul 07442, Korea
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