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Tang S, Zhou H, Li R, Wang Y, Li H, Hou Y. The primary systemic vasculitis associated optic neuritis: a retrospective analysis in a single center over 10 years. Int Ophthalmol 2024; 44:387. [PMID: 39312014 PMCID: PMC11420302 DOI: 10.1007/s10792-024-03307-2] [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: 07/08/2024] [Accepted: 09/08/2024] [Indexed: 09/26/2024]
Abstract
OBJECTIVES To investigate the clinical and image characteristics of primary systemic vasculitis-associated optic neuritis patients. METHODS This is a retrospective study. The patients clinically diagnosed with primary system vasculitis-induced optic neuritis were recruited from March 2013 to December 2023. All cases received orbital magnetic resonance imaging scans were analyzed. The ocular findings, systemic manifestations, laboratory data and prognosis were reviewed retrospectively. In addition, the related literature was reviewed. RESULTS Fourteen patients (21 eyes), including 10 men and 4 women, were enrolled in this study. The ages ranged from 30 to 86 years in this cohort. Orbits MRI detects the enlargement and/or enhancement of the optic nerve. Cases 1-5 reported a confirmed diagnosis of Takayasu's arteritis, and cases 6-8 had giant cell arteritis. Cases 9-13 were antineutrophil cytoplasmic antibody-associated vasculitis. Case 14 was Cogan's syndrome. Mult organs and tissues, such as the kidneys, heart, paranasal sinuses, meninges, and respiratory system, were involved. In all of the 14 involved patients, the disease onset was either during the fall or winter season. There were no or only slight improvements in visual activity after conventional therapies. CONCLUSIONS The autoantibodies' attack on the optic nerve, ischemic damage, or destruction of the blood-brain barrier may be the potential pathogenesis of vasculitis-associated optic neuritis. Even with prompt and aggressive clinical interventions, the prognosis remains unsatisfactory.
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Affiliation(s)
- Simeng Tang
- Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Hang Zhou
- Department of Rheumatology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Rui Li
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Yu Wang
- Department of Nuclear Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Hongyang Li
- Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
| | - Yanli Hou
- Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
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2
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Hajishah H, Amini MJ, Chadeganipour AS, Salehi SA, Kazemi D. Efficacy of Rituximab on Refractory Organ Involvements in Granulomatosis with Polyangiitis: A Systematic Review of Case Reports. Curr Rheumatol Rev 2024; 20:270-283. [PMID: 37907486 DOI: 10.2174/0115733971263964231020072640] [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: 05/27/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 11/02/2023]
Abstract
INTRODUCTION Granulomatosis with polyangiitis (GPA) is a type of Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) characterized by necrotizing vasculitis affecting small and medium-sized blood vessels. GPA affects various organs, with respiratory tract, vasculitis and glomerulonephritis being the most common triad. Remission induction and maintenance therapy for GPA traditionally involves corticosteroids and cyclophosphamide. However, treatment with rituximab, a monoclonal antibody that depletes B-cells involved in autoimmune disease, has been successful in inducing remission in several studies. The purpose of this systematic review was to investigate the efficacy of rituximab in treating various clinical manifestations of GPA. METHODS In adherence to PRISMA guidelines for systematic reviews and meta-analyses, we carried out a comprehensive review to investigate the effectiveness of rituximab on particular organ involvement in GPA. We searched three databases (PubMed, Scopus, and Embase) up until November 6, 2022, for case reports on the topic. To ensure all relevant studies were included, we manually screened the first 50 pages of Google Scholar's search results. RESULTS The review identified a total of 64 case reports and a case series of 113 cases, highlighting the effectiveness of rituximab in treating refractory organ involvement in GPA. The review also analyzed the effectiveness of rituximab in treating ocular, CNS, cardiac, pulmonary, cutaneous, gastrointestinal, renal, and other organ involvements in GPA. CONCLUSIONS Our results indicated that rituximab can be a promising therapy for treating specific clinical manifestations of several organ involvements. However, more research is needed to determine the long-term efficacy of rituximab in treating GPA.
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Affiliation(s)
- Hamed Hajishah
- Student Research Committee, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Javad Amini
- Student Research Committee, Medical School, Alborz University of Medical Sciences, Karaj, Iran
| | | | - Seyyed Amirhossein Salehi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Danial Kazemi
- Student Research Committee, Isfahan University of Medical Sciences, Hezar Jerib Street, Isfahan, Iran
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Gluhovschi C, Gadalean F, Velciov S, Nistor M, Petrica L. Three Diseases Mediated by Different Immunopathologic Mechanisms-ANCA-Associated Vasculitis, Anti-Glomerular Basement Membrane Disease, and Immune Complex-Mediated Glomerulonephritis-A Common Clinical and Histopathologic Picture: Rapidly Progressive Crescentic Glomerulonephritis. Biomedicines 2023; 11:2978. [PMID: 38001978 PMCID: PMC10669599 DOI: 10.3390/biomedicines11112978] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 11/02/2023] [Accepted: 11/04/2023] [Indexed: 11/26/2023] Open
Abstract
Immune mechanisms play an important role in the pathogenesis of glomerulonephritis (GN), with autoimmunity being the main underlying pathogenetic process of both primary and secondary GN. We present three autoimmune diseases mediated by different autoimmune mechanisms: glomerulonephritis in vasculitis mediated by anti-neutrophil cytoplasmic antibodies (ANCAs), glomerulonephritis mediated by anti-glomerular basement membrane antibodies (anti-GBM antibodies), and immune complex-mediated glomerulonephritis. Some of these diseases represent a common clinical and histopathologic scenario, namely rapidly progressive crescentic glomerulonephritis. This is a severe illness requiring complex therapy, with the main role being played by therapy aimed at targeting immune mechanisms. In the absence of immune therapy, the crescents, the characteristic histopathologic lesions of this common presentation, progress toward fibrosis, which is accompanied by end-stage renal disease (ESRD). The fact that three diseases mediated by different immunopathologic mechanisms have a common clinical and histopathologic picture reveals the complexity of the relationship between immunopathologic mechanisms and their clinical expression. Whereas most glomerular diseases progress by a slow process of sclerosis and fibrosis, the glomerular diseases accompanied by glomerular crescent formation can progress, if untreated, in a couple of months into whole-nephron glomerulosclerosis and fibrosis. The outcome of different immune processes in a common clinical and histopathologic phenotype reveals the complexity of the relationship of the kidney with the immune system. The aim of this review is to present different immune processes that lead to a common clinical and histopathologic phenotype, such as rapidly progressive crescentic glomerulonephritis.
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Affiliation(s)
- Cristina Gluhovschi
- Division of Nephrology, “Victor Babeș” University of Medicine and Pharmacy, 300041 Timișoara, Romania; (F.G.); (L.P.)
- Centre for Molecular Research in Nephrology and Vascular Disease, Faculty of Medicine, “Victor Babeș” University of Medicine and Pharmacy, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania;
| | - Florica Gadalean
- Division of Nephrology, “Victor Babeș” University of Medicine and Pharmacy, 300041 Timișoara, Romania; (F.G.); (L.P.)
- Centre for Molecular Research in Nephrology and Vascular Disease, Faculty of Medicine, “Victor Babeș” University of Medicine and Pharmacy, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania;
- Division of Nephrology, County Emergency Hospital Timisoara, 300041 Timișoara, Romania
| | - Silvia Velciov
- Centre for Molecular Research in Nephrology and Vascular Disease, Faculty of Medicine, “Victor Babeș” University of Medicine and Pharmacy, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania;
- Division of Nephrology, County Emergency Hospital Timisoara, 300041 Timișoara, Romania
| | - Mirabela Nistor
- Division of Nephrology, County Emergency Hospital Timisoara, 300041 Timișoara, Romania
| | - Ligia Petrica
- Division of Nephrology, “Victor Babeș” University of Medicine and Pharmacy, 300041 Timișoara, Romania; (F.G.); (L.P.)
- Centre for Molecular Research in Nephrology and Vascular Disease, Faculty of Medicine, “Victor Babeș” University of Medicine and Pharmacy, Eftimie Murgu Sq. No. 2, 300041 Timișoara, Romania;
- Division of Nephrology, County Emergency Hospital Timisoara, 300041 Timișoara, Romania
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Rytel A, Nowak M, Kukawska-Rytel M, Morawiec K, Niemczyk S. Different Types of Vasculitis Complicated by Heparin-Induced Thrombocytopenia-Analysis of Four Cases and Literature Review. J Clin Med 2023; 12:6176. [PMID: 37834820 PMCID: PMC10573553 DOI: 10.3390/jcm12196176] [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: 09/03/2023] [Revised: 09/22/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Vasculitis and HIT have different etiologies, although both involve autoimmune mechanisms. Treatment of vasculitis often requires the use of an anticoagulant such as heparin, which can lead to the development of HIT and subsequent life-threatening complications. The analysis covered patients hospitalized in the Department of Internal Medicine, Nephrology and Dialysis in the period from September 2020 to March 2023. After analyzing the data, we selected four patients in whom vasculitis treatment was complicated by HIT. These included two patients with ANCA vasculitis and two patients with anti-GBM disease. We also described similar cases reported in the literature.
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Affiliation(s)
- Adam Rytel
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine—National Research Institute, 04-141 Warsaw, Poland (K.M.)
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Michailidou D, Kuley R, Wang T, Hermanson P, Grayson PC, Cuthbertson D, Khalidi NA, Koening CL, Langford CA, McAlear CA, Moreland LW, Pagnoux C, Seo P, Specks U, Sreih AG, Warrington KJ, Monach PA, Merkel PA, Lood C. Neutrophil extracellular trap formation in anti-neutrophil cytoplasmic antibody-associated and large-vessel vasculitis. Clin Immunol 2023; 249:109274. [PMID: 36878421 PMCID: PMC10066833 DOI: 10.1016/j.clim.2023.109274] [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: 01/31/2023] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/07/2023]
Abstract
Levels of neutrophil extracellular traps (NETs) were measured in plasma of healthy controls (HC, n = 30) and patients with granulomatosis with polyangiitis (GPA, n = 123), microscopic polyangiitis (MPA, n = 61), Takayasu's arteritis (TAK, n = 58), and giant cell arteritis (GCA, n = 68), at times of remission or activity and correlated with levels of the platelet-derived thrombospondin-1 (TSP-1). Levels of NETs were elevated during active disease in patients with GPA (p < 0.0001), MPA (p = 0.0038), TAK (p < 0.0001), and GCA (p < 0.0001), and in remission for GPA, p < 0.0001, MPA, p = 0.005, TAK, p = 0.03, and GCA, p = 0.0009. All cohorts demonstrated impaired NET degradation. Patients with GPA (p = 0.0045) and MPA (p = 0.005) had anti-NET IgG antibodies. Patients with TAK had anti-histone antibodies (p < 0.01), correlating with presence of NETs. Levels of TSP-1 were increased in all patients with vasculitis, and associated with NET formation. NET formation is a common process in vasculitides. Targeting NET formation or degradation could be potential therapeutic approaches for vasculitides.
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Affiliation(s)
| | - Runa Kuley
- Division of Rheumatology, University of Washington, Seattle, USA; Center for Life Sciences, Mahindra University, Hyderabad, India
| | - Ting Wang
- Division of Rheumatology, University of Washington, Seattle, USA
| | - Payton Hermanson
- Division of Rheumatology, University of Washington, Seattle, USA
| | - Peter C Grayson
- Systemic Autoimmunity Branch, National Institutes of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, USA
| | - David Cuthbertson
- Health Informatics Institute, University of South Florida, South Florida, FL, USA
| | - Nader A Khalidi
- Division of Rheumatology, Mc Master University, Ontario, Canada
| | | | | | - Carol A McAlear
- Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Larry W Moreland
- Division of Rheumatology and Clinical Immunology, University of Colorado, Denver, CO, USA
| | | | - Philip Seo
- Division of Rheumatology, Johns Hopkins University, Baltimore, MD, USA
| | - Ulrich Specks
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Antoine G Sreih
- Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Paul A Monach
- Division of Rheumatology, Brigham and Women's Hospital, Boston, MA, USA
| | - Peter A Merkel
- Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Christian Lood
- Division of Rheumatology, University of Washington, Seattle, USA.
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6
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Lin Z, Jia L, Yin D, Song W, Wang H, Dong Q, Gao G, Fu R, Yang F, Dou K. Current Evidence in the Diagnosis and Management of Coronary Arteritis Presenting as Acute Coronary Syndrome. Curr Probl Cardiol 2023; 48:101465. [PMID: 36261104 DOI: 10.1016/j.cpcardiol.2022.101465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 01/04/2023]
Affiliation(s)
- Zhangyu Lin
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Lei Jia
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China.
| | - Dong Yin
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Weihua Song
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Hongjian Wang
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Qiuting Dong
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Guofeng Gao
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Rui Fu
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Feiran Yang
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China
| | - Kefei Dou
- State Key Laboratory of Cardiovascular Disease, Beijing, Beijing, China; Cardiometabolic Medicine Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Beijing, China.
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7
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Pyo JY, Yoon T, Ahn SS, Song JJ, Park YB, Lee SW. Soluble immune checkpoint molecules in patients with antineutrophil cytoplasmic antibody-associated vasculitis. Sci Rep 2022; 12:21319. [PMID: 36494415 PMCID: PMC9734661 DOI: 10.1038/s41598-022-25466-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022] Open
Abstract
Immune checkpoint molecules balance immune effector responses with regulatory reactions. We speculated that soluble immune checkpoint molecules are involved in dysregulation of the immune response and autoimmunity. We evaluated the association between soluble immune checkpoint molecules and antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). A total of 56 patients with AAV from a prospective observational cohort and 40 healthy controls (HCs) were analyzed. Soluble PD-1, PD-L1, PD-L2, CTLA-4, CD28, CD80, CD86, ICOS, TIM-3, BTLA, CD40, LAG-3, TLR-2, and CD27 were measured in stored sera using the Milliplex MAP assay. Paired analyses were performed before and after the treatment. AAV-specific indices, including Birmingham vasculitis activity score, five factor score , vasculitis damage index, and blood samples, were collected. Patients with AAV had higher levels of sPD-L1, sCD28, sCD80, sCD86, sICOS, sTIM-3, sLAG-3, sTLR-2, and sCD27 and lower level of sCTLA-4 than HCs (p < 0.05). Patients with AAV had higher serum sCD28, sCD80, sTIM-3, and sCD27 levels than HCs at baseline and decreased after treatment. Furthermore, the serum levels of sCD28 and sTIM-3 were significantly correlated with disease activity. This study demonstrated altered concentrations of serum soluble immune checkpoint molecules in patients with AAV. In particular, sCD28 and sTIM-3 may act as surrogate markers of AAV disease activity.
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Affiliation(s)
- Jung Yoon Pyo
- grid.15444.300000 0004 0470 5454Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun–gu, Seoul, 03722 Republic of Korea
| | - Taejun Yoon
- grid.15444.300000 0004 0470 5454Department of Medical Science, BK21 Plus Project, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Sung Soo Ahn
- grid.15444.300000 0004 0470 5454Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun–gu, Seoul, 03722 Republic of Korea
| | - Jason Jungsik Song
- grid.15444.300000 0004 0470 5454Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun–gu, Seoul, 03722 Republic of Korea ,grid.15444.300000 0004 0470 5454Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Yong-Beom Park
- grid.15444.300000 0004 0470 5454Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun–gu, Seoul, 03722 Republic of Korea ,grid.15444.300000 0004 0470 5454Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sang-Won Lee
- grid.15444.300000 0004 0470 5454Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun–gu, Seoul, 03722 Republic of Korea ,grid.15444.300000 0004 0470 5454Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, Republic of Korea
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Scurt FG, Bose K, Hammoud B, Brandt S, Bernhardt A, Gross C, Mertens PR, Chatzikyrkou C. Old known and possible new biomarkers of ANCA-associated vasculitis. J Autoimmun 2022; 133:102953. [PMID: 36410262 DOI: 10.1016/j.jaut.2022.102953] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 11/06/2022] [Accepted: 11/06/2022] [Indexed: 11/19/2022]
Abstract
Antineutrophil cytoplasm antibody (ANCA)-associated vasculitis (AAV) comprises a group of multisystem disorders involving severe, systemic, small-vessel vasculitis with short- and long term serious and life-threating complications. Despite the simplification of treatment, fundamental aspects concerning assessment of its efficacy and its adaptation to encountered complications or to the relapsing/remitting/subclinical disease course remain still unknown. The pathogenesis of AAV is complex and unique, and despite the progress achieved in the last years, much has not to be learnt. Foremost, there is still no accurate marker enabling us to monitoring disease and guide therapy. Therefore, the disease management relays often on clinical judgment and follows a" trial and error approach". In the recent years, an increasing number of new molecules s have been explored and used for this purpose including genomics, B- and T-cell subpopulations, complement system factors, cytokines, metabolomics, biospectroscopy and components of our microbiome. The aim of this review is to discuss both the role of known historical and clinically established biomarkers of AAV, as well as to highlight potential new ones, which could be used for timely diagnosis and monitoring of this devastating disease, with the goal to improve the effectiveness and ameliorate the complications of its demanding therapy.
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Affiliation(s)
- Florian G Scurt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany.
| | - K Bose
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - Ben Hammoud
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - S Brandt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - A Bernhardt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - C Gross
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
| | - Peter R Mertens
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Germany
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9
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Matucci A, Vivarelli E, Perlato M, Mecheri V, Accinno M, Cosmi L, Parronchi P, Rossi O, Vultaggio A. Baseline Eosinophil Count as a Potential Clinical Biomarker for Clinical Complexity in EGPA: A Real-Life Experience. Biomedicines 2022; 10:biomedicines10112688. [PMID: 36359208 PMCID: PMC9687644 DOI: 10.3390/biomedicines10112688] [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: 07/27/2022] [Revised: 10/14/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Eosinophilic granulomatosis with polyangiitis (EGPA) is a small-vessel necrotizing vasculitis with multiple organ involvement. Despite improvements in clinical management, biomarkers for organ involvement and disease prognosis are still an unmet need. Methods: EGPA patients referred to our immunology clinic were retrospectively reviewed. Demographic/clinical features, eosinophils, ANCA status, eosinophil cationic protein (ECP) and total serum IgE were evaluated at the baseline. Eosinophils, total serum IgE, ECP and ANCA were studied as possible biomarkers for lung and extrapulmonary disease. Results: In total, 167 EGPA patients were recruited for our study. A positive association between eosinophils and peripheral nervous system (PNS) involvement was demonstrated (p <0.001; chi-squared test). Receiver operating characteristic (ROC) curves using the eosinophil count or percentage as predictors of PNS involvement yielded AUC values of 0.75 and 0.67, respectively. ANCA positivity was associated with PNS involvement, while no correlations with clinical parameters were found for ECP and total serum IgE. Patients without extrapulmonary involvement had lower eosinophils (eosinophils: 2844.7 ± 1698 vs. 6373 ± 5468, p < 0.001; eosinophil percentage: 24.6 ± 10% vs. 36.2 ± 15.8, p < 0.001) and were less likely to be ANCA+ (p < 0.001, chi-squared test). Conclusion: Eosinophils in EGPA are an important biomarker and are associated with extrapulmonary involvement. These findings could strengthen the role of anti-eosinophilic drugs in improving extrapulmonary disease.
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Affiliation(s)
- Andrea Matucci
- Immunoallergology Unit, Careggi University Hospital, 50134 Florence, Italy
- Correspondence: ; Tel.: +39-0557947421
| | - Emanuele Vivarelli
- Immunoallergology Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Margherita Perlato
- Department of Clinical and Experimental Medicine, Unit of Internal Medicine, University of Florence, 50121 Florence, Italy
| | - Valentina Mecheri
- Department of Clinical and Experimental Medicine, Unit of Internal Medicine, University of Florence, 50121 Florence, Italy
| | - Matteo Accinno
- Immunoallergology Unit, Careggi University Hospital, 50134 Florence, Italy
| | - Lorenzo Cosmi
- Department of Clinical and Experimental Medicine, Unit of Internal Medicine, University of Florence, 50121 Florence, Italy
| | - Paola Parronchi
- Department of Clinical and Experimental Medicine, Unit of Internal Medicine, University of Florence, 50121 Florence, Italy
| | - Oliviero Rossi
- Immunoallergology Unit, Careggi University Hospital, 50134 Florence, Italy
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10
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Xu J, Zhao H, Wang S, Zheng M, Shuai Z. Elevated Level of Serum Interleukin-21 and Its Influence on Disease Activity in Anti-Neutrophil Cytoplasmic Antibodies Against Myeloperoxidase-Associated Vasculitis. J Interferon Cytokine Res 2022; 42:290-300. [PMID: 35416717 DOI: 10.1089/jir.2022.0014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Interleukin-21 (IL-21) has been shown to play an important role in the immune system. This study aimed to investigate the changes in the level of IL-21 in patients with anti-neutrophil cytoplasmic antibodies against myeloperoxidase (MPO-ANCA)-associated vasculitis (MPO-AAV), as well as explore its influence on disease activity and the potential mechanism. Flow cytometry was performed to detect the percentage of follicular helper T cells (Tfh) among CD4+T cells (Tfh%); the percentage of Tfh-expressing inducible costimulator (ICOS) among Tfh cells (ICOS+Tfh%); the percentage of Tfh-expressing programmed cell death protein 1 (PD-1) among Tfh cells (PD-1+Tfh%); and mean fluorescence intensity of Tfh-expressing ICOS or PD-1 in the peripheral blood. An enzyme-linked immunosorbent assay was used to measure the levels of serum IL-21 and MPO-ANCA. The Birmingham Vasculitis Activity Score was used to evaluate disease activity. Our results revealed that the level of IL-21 in the patient group was significantly higher than that in the healthy control group (1324.2 ± 125.3 pg/mL vs. 704.2 ± 41.1 pg/mL, P < 0.001), and it was an independent factor affecting the disease activity (P = 0.022). Thus, blocking the activity of IL-21 may represent a potential novel target for the future treatment of MPO-AAV.
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Affiliation(s)
- Junnan Xu
- Department of Internal Medicine, Fuyang Hospital of Anhui Medical University, Fuyang, China.,Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Huanhuan Zhao
- The Fourth Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Sen Wang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Meijuan Zheng
- Flow Cytometry Laboratory, Department of Clinical Labortory, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zongwen Shuai
- Department of Internal Medicine, Fuyang Hospital of Anhui Medical University, Fuyang, China.,Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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11
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Goldmann WH. Proteinase 3 associated with Wegener's Granulomatosis. Cell Biol Int 2021; 46:548-553. [PMID: 34957648 DOI: 10.1002/cbin.11757] [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: 10/31/2021] [Accepted: 12/22/2021] [Indexed: 11/07/2022]
Abstract
Wegener's granulomatosis (WG) is a form of systemic vasculitis characterized by granulomatous inflammation of the upper and lower airways, vasculitis, and necrotizing glomerulonephritis. It is strongly associated with anti-neutrophil cytoplasmic antibodies against proteinase 3 (PR3-ANCAs). Various in vitro observations provided strong evidence that autoimmune PR3-ANCAs are directly involved in glomerular and vascular inflammation. However, little is known about the pathogenic significance of PR3-ANCAs in vivo. Therefore, the generation of animal models helped to validate the suggested autoimmune origin and pathophysiology in WG. To characterize and improve the models, numerous studies were carried out to elucidate the effect of mouse/rat PR3-ANCAs on neutrophil function as well as the role of CD4/CD8 in T and B cells and antibodies in the pathogenesis of the disease. Understanding the pathogenesis is therefore critical to relate these models to human studies hoping that they will be useful for better insight of Wegener's granulomatosis and the development of specific therapies for the disease. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Wolfgang H Goldmann
- Department of Biophysics, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
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12
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Asemota U, Greenberg S, Gulati A, Kumar K, Janga K. Tofacitinib-Induced Antineutrophil Cytoplasmic Antibodies (ANCA)-Associated Vasculitis With Crescentic Glomerulonephritis. Cureus 2021; 13:e18663. [PMID: 34790443 PMCID: PMC8583358 DOI: 10.7759/cureus.18663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2021] [Indexed: 12/30/2022] Open
Abstract
Antineutrophil cytoplasmic antibodies (ANCA) vasculitis is common after the age of 50 years but it can occur at any age. There is a slight male preponderance and it is more common in Whites than Blacks but the black race confers a worse prognosis. The clinical features of ANCA vasculitis vary considerably. The manifestation of the disease depends on the organs affected, the chronicity of the disease, and how quiescent it is. Non-specific symptoms of malaise, fatigue, fever, and weight loss are common. Crescentic glomerulonephritis with focal necrosis is usually the pathology underlying renal disease. Manifestations of renal disease include hematuria and proteinuria which may progress to renal failure. We present a case of a 75-year-old female who presented with acute worsening of renal function and nephrotic-range proteinuria with positive testing for p-ANCA after the recent commencement of treatment with tofacitinib. This prompted a suspicion of ANCA-vasculitis. The patient was started on pulse dose steroids and rituximab after kidney biopsy confirmation of ANCA-vasculitis with crescentic glomerulonephritis.
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Affiliation(s)
| | | | - Amit Gulati
- Internal Medicine, Maimonides Medical Center, Brooklyn, USA
| | - Kamlesh Kumar
- Internal Medicine, Maimonides Medical Center, Brooklyn, USA
| | - Kalyana Janga
- Nephrology, Maimonides Medical Center, Brooklyn, USA
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13
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Steinke KV, Welkoborsky HJ. [Granulomatosis with polyangiitis - manifestations in the head and neck area]. Laryngorhinootologie 2021; 101:112-119. [PMID: 34781398 DOI: 10.1055/a-1580-7037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Granulomatosis with polyangiitis is a rare chronic rheumatologic systemic disease with a vasculitis of small- and medium-size vessels. Mostly the upper airways, lung and kidneys are affected. Symptoms are unspecific. Patients complain about stuffy nose, crustiness of nasal secretions, ulcera of the oral mucosa or epistaxis. The otorhinolaryngologist may be the first one to evaluate the patient's health condition. Long term complications may be cardial, renal or pulmonal failure. To this day the aetiology is still unknown. Severe disease is treated with a combination of immunosuppressive medications. Clinic examinations and laboratory tests should be carried out for life-time.
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14
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Rostami Z, Cegolon L, Jafari NJ, Gholami N, Mousavi SV, Allahyari F, Azami A, Javanbakht M. A rare case of coexistence of Wegener's granulomatosis and pulmonary tuberculosis with subsequent development of thrombosis of the cerebral veins. BMC Infect Dis 2021; 21:948. [PMID: 34521368 PMCID: PMC8442395 DOI: 10.1186/s12879-021-06583-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 08/17/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Granulomatosis with polyangiitis (GPA), also known as Wegener's granulomatosis, is an idiopathic systemic disease typically affecting the lungs, although other organs may also be involved. CASE PRESENTATION A 28-year-old male was admitted to Baqiyatallah university hospital in Teheran (Iran) after a 3-week history of fever and productive cough. The patient gradually developed fatigue, arthralgia, hematuria, nausea, vomiting, dyspnea, hemoptysis, weight loss, oliguria and then anuria. Chest-X-ray (CXR) and computerized tomography scan revealed cavitating nodular opacities in the right lung lobe. Furthermore, plasma creatinine increased from 2.2 to 4 mg/dl in a few days. Histopathological examination of kidney biopsy revealed peri-glomerular and peri-vascular inflammation, degeneration and necrosis of the tubular epithelial lining, red blood cell casts, distorted glomerular structure, fibrin thrombi, segmental breaks of the glomerular basal membrane, disruption of Bowman's capsular membrane and crescent formation of the affected glomeruli. An abnormal CXR, an abnormal urinary sediment and a typical kidney histology were used as criteria to diagnose glomerulonefritis with poliangiitis (GPA). Bronchoalveolar lavage smear and PCR turned out positive for mycobacterium tuberculosis. After 3 months of treatment for (GPA) and tuberculosis the patient developed headache and seizure. Cerebral Magnetic Resonance Venography revealed cerebral venous thrombosis of the sinus transverse and sigmoid. CONCLUSIONS Tuberculosis may coexist with GPA, as it occurred in our patient. Since a crescentic glomerulonephritis can progress to renal failure, clinicians should always be aware of potential multiple conditions when considering differential diagnoses.
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Affiliation(s)
- Zohreh Rostami
- Nephrology and Urology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Luca Cegolon
- Public Health Department, Local Health Unit N. 2 "Marca Trevigiana", Treviso, Italy
| | - Nematollah Jonaidi Jafari
- Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Nasrin Gholami
- Hematology Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Vahid Mousavi
- Atherosclerosis Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Fakhri Allahyari
- Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Atena Azami
- Department of Pathology, School of Medicine, Alborz University of Medical Sciences, Alborz, Iran
| | - Mohammad Javanbakht
- Nephrology and Urology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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15
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Classification of ANCA-associated vasculitis: differences based on ANCA specificity and clinicopathologic phenotype. Rheumatol Int 2021; 41:1717-1728. [PMID: 34383129 DOI: 10.1007/s00296-021-04966-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 08/03/2021] [Indexed: 01/24/2023]
Abstract
The classification of vasculitis according to a schema with universal acceptance is challenging, given the heterogeneous and protean nature of these diseases. Formal nomenclature and classification criteria for anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) have suffered several changes since their first description; none provides comprehensive diagnostic and classification criteria. Different factors account for the difficulties in the classification of vasculitis, including the incomplete understanding of the pathogenesis, the multisystemic nature of the disease, the non-specific patterns of vascular involvement, the overlap between entities, and the presence of various classification systems. The present article reviews the classification of AAV considering different points of view, including clinical, serologic, pathogenetic, organ predilection, therapeutic, and prognostic factors, and provides perspectives on future challenges in the understanding of AAV. There is an unmet need for a unifying view of the disease spectrum that considers the constantly evolving paradigms.
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16
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Folci M, Ramponi G, Arcari I, Zumbo A, Brunetta E. Eosinophils as Major Player in Type 2 Inflammation: Autoimmunity and Beyond. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1347:197-219. [PMID: 34031864 DOI: 10.1007/5584_2021_640] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Eosinophils are a subset of differentiated granulocytes which circulate in peripheral blood and home in several body tissues. Along with their traditional relevance in helminth immunity and allergy, eosinophils have been progressively attributed important roles in a number of homeostatic and pathologic situations. This review aims at summarizing available evidence about eosinophils functions in homeostasis, infections, allergic and autoimmune disorders, and solid and hematological cancers.Their structural and biological features have been described, along with their physiological behavior. This includes their chemokines, cytokines, granular contents, and extracellular traps. Besides, pathogenic- and eosinophilic-mediated disorders have also been addressed, with the aim of highlighting their role in Th2-driven inflammation. In allergy, eosinophils are implicated in the pathogenesis of atopic dermatitis, allergic rhinitis, and asthma. They are also fundamentally involved in autoimmune disorders such as eosinophilic esophagitis, eosinophilic gastroenteritis, acute and chronic eosinophilic pneumonia, and eosinophilic granulomatosis with polyangiitis. In infections, eosinophils are involved in protection not only from parasites but also from fungi, viruses, and bacteria. In solid cancers, local eosinophilic infiltration is variably associated with an improved or worsened prognosis, depending on the histotype. In hematologic neoplasms, eosinophilia can be the consequence of a dysregulated cytokine production or the result of mutations affecting the myeloid lineage.Recent experimental evidence was thoroughly reviewed, with findings which elicit a complex role for eosinophils, in a tight balance between host defense and tissue damage. Eventually, emerging evidence about eosinophils in COVID-19 infection was also discussed.
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Affiliation(s)
- Marco Folci
- Humanitas Clinical and Research Center - IRCCS, Milan, Italy. .,Department of Biomedical Sciences, Humanitas University, Milan, Italy.
| | - Giacomo Ramponi
- Humanitas Clinical and Research Center - IRCCS, Milan, Italy
| | - Ivan Arcari
- Humanitas Clinical and Research Center - IRCCS, Milan, Italy
| | - Aurora Zumbo
- Humanitas Clinical and Research Center - IRCCS, Milan, Italy
| | - Enrico Brunetta
- Humanitas Clinical and Research Center - IRCCS, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
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17
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Batten I, Robinson MW, White A, Walsh C, Fazekas B, Wyse J, Buettner A, D'Arcy S, Greenan E, Murphy CC, Wigston Z, Gabhann-Dromgoole JN, Vital EM, Little MA, Bourke NM. Investigation of type I interferon responses in ANCA-associated vasculitis. Sci Rep 2021; 11:8272. [PMID: 33859290 PMCID: PMC8050071 DOI: 10.1038/s41598-021-87760-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 01/13/2021] [Indexed: 12/23/2022] Open
Abstract
Type I interferon (IFN) dysregulation is a major contributory factor in the development of several autoimmune diseases, termed type I interferonopathies, and is thought to be the pathogenic link with chronic inflammation in these conditions. Anti-neutrophil cytoplasmic antibody (ANCA)-Associated Vasculitis (AAV) is an autoimmune disease characterised by necrotising inflammation of small blood vessels. The underlying biology of AAV is not well understood, however several studies have noted abnormalities in type I IFN responses. We hypothesised that type I IFN responses are systemically dysregulated in AAV, consistent with features of a type I interferonopathy. To investigate this, we measured the expression of seven interferon regulated genes (IRGs) (ISG15, SIGLEC1, STAT1, RSAD2, IFI27, IFI44L and IFIT1) in peripheral blood samples, as well as three type I IFN regulated proteins (CXCL10, MCP-1 and CCL19) in serum samples from AAV patients, healthy controls and disease controls. We found no difference in type I IFN regulated gene or protein expression between AAV patients and healthy controls. Furthermore, IRG and IFN regulated protein expression did not correlate with clinical measurements of disease activity in AAV patients. Thus, we conclude that systemic type I IFN responses are not key drivers of AAV pathogenesis and AAV should not be considered a type I interferonopathy.
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Affiliation(s)
- Isabella Batten
- Department of Medical Gerontology, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Mark W Robinson
- Department of Biology, Kathleen Lonsdale Institute for Human Health Research, Maynooth University, Kildare, Ireland
| | - Arthur White
- School of Computer Science and Statistics, Trinity College Dublin, Dublin, Ireland
| | - Cathal Walsh
- Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland
| | - Barbara Fazekas
- Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Jason Wyse
- School of Computer Science and Statistics, Trinity College Dublin, Dublin, Ireland
| | - Antonia Buettner
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Suzanne D'Arcy
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Emily Greenan
- Department of Ophthalmology, Royal College of Surgeons in Ireland, Dublin 2, Ireland.,Department of Ophthalmology, Royal Victoria Eye and Ear Hospital, Dublin 2, Ireland
| | - Conor C Murphy
- Department of Ophthalmology, Royal College of Surgeons in Ireland, Dublin 2, Ireland.,Department of Ophthalmology, Royal Victoria Eye and Ear Hospital, Dublin 2, Ireland
| | - Zoe Wigston
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Joan Ní Gabhann-Dromgoole
- Department of Ophthalmology, Royal College of Surgeons in Ireland, Dublin 2, Ireland.,School of Pharmacy and Biomolecular Sciences (PBS) and RSCI Research Institute, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Edward M Vital
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Mark A Little
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Nollaig M Bourke
- Department of Medical Gerontology, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland.
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18
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Quartuccio L, Treppo E, Valent F, De Vita S. Healthcare and economic burden of ANCA-associated vasculitis in Italy: an integrated analysis from clinical and administrative databases. Intern Emerg Med 2021; 16:581-589. [PMID: 32666174 PMCID: PMC8049888 DOI: 10.1007/s11739-020-02431-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/02/2020] [Indexed: 12/15/2022]
Abstract
ANCA-associated vasculitides (AAV) comprise a group of systemic vasculitides characterized by inflammation of small-sized blood vessels leading to multi-organ involvement. The worldwide annual incidence of AAV ranges from 1.2 to 3.3 cases per 100 000 individuals with a prevalence of 4.6-42.1 cases per 100 000 individuals. The prevalence of AAV is geographically heterogeneous; therefore, regional epidemiological studies can be more informative to improve health care systems. Even though clinicians are aware that the healthcare burden and the risk of hospitalization of AAV appear high, data on hospitalization and cost of illness due to AAV are still scarce or even lacking. This study aims to characterize the economic burden of AAV in Friuli Venezia Giulia (FVG), Italy. Thus, a retrospective study was conducted through the integration of many administrative health databases of the FVG as the source of information. From data integration, we estimated that more than two-thirds of AAV patients showed at least one hospitalization in their medical history, most frequently caused by the disease itself or superimposed infections. Around 10% of patients developed end-stage renal disease. In an 8-year follow-up, the overall healthcare cost was € 1,215,078, corresponding to € 6,168 patient-year. ANCA-positive patients showed much higher costs than ANCA-negative patients did. Overall, AAV are rare diseases, but imply very high healthcare costs. Early diagnosis and optimal treatment probably still remain unmet needs for AAV.
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Affiliation(s)
- Luca Quartuccio
- Department of Medicine (DAME), Clinic of Rheumatology, Department of Medicine (DAME), ASU FC, University of Udine, Udine, Italy.
| | - Elena Treppo
- Department of Medicine (DAME), Clinic of Rheumatology, Department of Medicine (DAME), ASU FC, University of Udine, Udine, Italy
| | | | - Salvatore De Vita
- Department of Medicine (DAME), Clinic of Rheumatology, Department of Medicine (DAME), ASU FC, University of Udine, Udine, Italy
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19
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Wei J, Zhao Q, Yao M, Meng L, Xin Y, Jiang X. Radiotherapy of granulomatosis with polyangiitis occurring in the eyelid: A case report and literature review. Medicine (Baltimore) 2021; 100:e22794. [PMID: 33545922 PMCID: PMC7837942 DOI: 10.1097/md.0000000000022794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 09/18/2020] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION Granulomatosis with polyangiitis (GPA) is a chronic systemic vasculitis characterized by necrotizing granulomatous vasculitis. The disease mainly affects the middle and small blood vessels and mainly occurs in the upper respiratory tract (nose and paranasal sinuses), lower respiratory tract (lungs), and kidneys. Disease occurrence in the eyelid area is relatively rare. The standard GPA treatment is combination therapy with adrenocortical hormone and immunosuppressants. Radiotherapy as a treatment option for GPA has not been widely investigated. PATIENT CONCERNS A 29-year-old man presented with a 1.0 × 1.0 cm mass without exophthalmos and decreased vision in the left lower eyelid. Computed tomography revealed a mass-like high-density shadow below the left eye with a computed tomography value of 80-108 U. DIAGNOSIS The laboratory investigations revealed positive cytoplasmic antineutrophil cytoplasmic antibodies (titer = 1:40). Biopsy of the lower left eyelid mass revealed necrosis and granulomatous reaction with a large number of inflammatory cell infiltration. After consultation with the pathology department, the diagnosis was determined as left lower eyelid GPA. INTERVENTIONS The patient received 9MeV electron beam radiation therapy in the area of the left lower eyelid lesion. OUTCOMES The lesion in the patient was significantly reduced and the symptom relieved obviously. No symptom recurrence or significant toxicity occurred during or after the treatment. The patient remains under routine follow-up. CONCLUSION We present a case of a male patient with GPA located exclusively in the eyelid area, who underwent successful radiotherapy and achieved a complete response. The lesson we learned from this case study is that for GPA patients, when the standard treatment model fails to achieve good results, novel treatments such as radiotherapy should be considered according to the situation.
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Affiliation(s)
- Jinlong Wei
- Department of Radiation Oncology
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University
| | - Qin Zhao
- Department of Radiation Oncology
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University
| | - Min Yao
- Department of pathology, the Second Hospital of Jilin University, Changchun, China
| | - Lingbin Meng
- Department of Internal Medicine, Florida Hospital, Orlando, FL 32803, USA
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, China
| | - Xin Jiang
- Department of Radiation Oncology
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University
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20
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Antineutrophil cytoplasmic antibodies (ANCA) - their role in pathogenesis, diagnosis, and treatment monitoring of ANCA-associated vasculitis. Cent Eur J Immunol 2021; 45:218-227. [PMID: 33456335 PMCID: PMC7792441 DOI: 10.5114/ceji.2019.92494] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 09/23/2020] [Indexed: 12/24/2022] Open
Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) constitutes a group of rare diseases characterized by necrotizing inflammation of small blood vessels and the presence of ANCA. Increasing clinical and experimental evidences support their pathogenic role in AAV, but the exact mechanism is not fully understood. Recently, the important role of neutrophil extracellular traps (NETs) in pathogenesis of AAV is underlined. There is an indication that NETs can be a source for the formation of ANCA. The most common ANCA target antigens are myeloperoxidase (MPO) and proteinase 3 (PR3). Though the mechanism of action of ANCA is still under exploration, ANCA serology is being increasingly used for classification of AAV and revealed as kenner in defining various disease subsets associated with different genetic background, clinical features, treatment response, and prognosis. Controversy exists regarding the utility of serial measurements of ANCA in patients with AAV to monitor treatment and predict disease relapse.
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21
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Michailidou D, Mustelin T, Lood C. Role of Neutrophils in Systemic Vasculitides. Front Immunol 2020; 11:619705. [PMID: 33391289 PMCID: PMC7774018 DOI: 10.3389/fimmu.2020.619705] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 11/18/2020] [Indexed: 12/20/2022] Open
Abstract
Neutrophils and neutrophil extracellular traps (NETs) contribute to the pathogenesis of many autoimmune diseases, including vasculitis. Though neutrophils, and NETs, can break self-tolerance by being a source of autoantigens for autoantibodies in anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis, playing a key role in driving the autoimmune response, the role of neutrophils and NETs in large vessel vasculitis, including giant cell arteritis (GCA), is not well understood. In this review, we summarize the current insight into molecular mechanisms contributing to neutrophil-mediated pathology in small and medium vessel vasculitis, as well as provide potential translational perspectives on how neutrophils, and NETs, may partake in large vessel vasculitis, a rare disease entity of unclear pathogenesis.
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Affiliation(s)
- Despina Michailidou
- Division of Rheumatology, University of Washington, Seattle, WA, United States
| | - Tomas Mustelin
- Division of Rheumatology, University of Washington, Seattle, WA, United States
| | - Christian Lood
- Division of Rheumatology, University of Washington, Seattle, WA, United States
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22
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Bala MM, Malecka-Massalska TJ, Koperny M, Zajac JF, Jarczewski JD, Szczeklik W. Anti-cytokine targeted therapies for ANCA-associated vasculitis. Cochrane Database Syst Rev 2020; 9:CD008333. [PMID: 32990324 PMCID: PMC8094990 DOI: 10.1002/14651858.cd008333.pub2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Anti-neutrophilic cytoplasmic antibodies (ANCA)-associated vasculitis (AAV) are a group of rare auto-inflammatory diseases that affects mainly small vessels. AAV includes: granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (EGPA). Anti-cytokine targeted therapy uses biological agents capable of specifically targeting and neutralising cytokine mediators of the inflammatory response. OBJECTIVES To assess the benefits and harms of anti-cytokine targeted therapy for adults with AAV. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (2019, Issue 7), MEDLINE and Embase up to 16 August 2019. We also examined reference lists of articles, clinical trial registries, websites of regulatory agencies and contacted manufacturers. SELECTION CRITERIA Randomised controlled trials (RCTs) or controlled clinical trials of targeted anti-cytokine therapy in adults (18 years or older) with AAV compared with placebo, standard therapy or another modality and anti-cytokine therapy of different type or dose. DATA COLLECTION AND ANALYSIS We used standard methodological procedures expected by Cochrane. MAIN RESULTS We included four RCTs with a total of 440 participants (mean age 48 to 56 years). We analysed the studies in three groups: 1) mepolizumab (300 mg; three separate injections every four weeks for 52 weeks) versus placebo in participants with relapsing or refractory EGPA; 2) belimumab (10 mg/kg on days 0, 14, 28 and every 28 days thereafter until 12 months after the last participant was randomised) or etanercept (25 mg twice a week) with standard therapy (median 25 months) versus placebo with standard therapy (median 19 months) in participants with GPA/MPA; and 3) infliximab (3 mg/kg on days 1 and 14, before the response assessment on day 42) versus rituximab (0.375g/m2 on days 1, 8, 15 and 22) in participants with refractory GPA for up to 12 months. None of the studies were assessed as low risk of bias in all domains: one study did not report randomisation or blinding methods clearly. Three studies were at high risk and one study was at unclear risk of bias for selective outcome reporting. One trial with 136 participants with relapsing or refractory EGPA compared mepolizumab with placebo during 52 weeks of follow-up and observed one death in the mepolizumab group (1/68, 1.5%) and none in the placebo group (0/68, 0%) (Peto odds ratio (OR) 7.39, 95% confidence interval (CI) 0.15 to 372.38; low-certainty evidence). Low-certainty evidence suggests that more participants in the mepolizumab group had ≥ 24 weeks of accrued remission over 52 weeks compared to placebo (27.9% versus 2.9%; risk ratio (RR) 9.5, 95% CI 2.30 to 39.21), and durable remission within the first 24 weeks sustained until week 52 (19.1% mepolizumab versus 1.5% placebo; RR 13.0, 95% CI 1.75 to 96.63; number needed to treat for an additional beneficial outcome (NNTB) 6, 95% Cl 4 to 13). Mepolizumab probably decreases risk of relapse (55.8% versus 82.4%; RR 0.68, 95% CI 0.53 to 0.86; NNTB 4, 95% CI 3 to 9; moderate-certainty evidence). There was low-certainty evidence regarding similar frequency of adverse events (AEs): total AEs (96.9% versus 94.1%; RR 1.03, 95% CI 0.96 to 1.11), serious AEs (17.7% versus 26.5%; RR 0.67, 95% CI 0.35 to 1.28) and withdrawals due to AEs (2.9% versus 1.5%; RR 2.00, 95% CI 0.19 to 21.54). Disease flares were not measured. Based on two trials with different follow-up periods (mean of 27 months for etanercept study; up to four years for belimumab study) including people with GPA (n = 263) and a small group of participants with MPA (n = 22) analysed together, we found low-certainty evidence suggesting that adding an active drug (etanercept or belimumab) to standard therapy does not increase or reduce mortality (3.4% versus 1.4%; Peto OR 2.45, 95% CI 0.55 to 10.97). Etanercept may have little or no effect on remission (92.3% versus 89.5%; RR 0.97, 95% CI 0.89 to 1.07), durable remission (70% versus 75.3%; RR 0.93, 95% CI 0.77 to 1.11; low-certainty evidence) and disease flares (56% versus 57.1%; RR 0.98, 95% CI 0.76 to 1.27; moderate-certainty evidence). Low-certainty evidence suggests that belimumab does not increase or reduce major relapse (1.9% versus 0%; RR 2.94, 95% CI 0.12 to 70.67) or any AE (92.5% versus 82.7%; RR 1.12, 95% CI 0.97 to 1.29). Low-certainty evidence suggests a similar frequency of serious or severe AEs (47.6% versus 47.6%; RR 1.00, 95% CI 0.80 to 1.27), but more frequent withdrawals due to AEs in the active drug group (11.2%) compared to the placebo group (4.2%), RR 2.66, 95% CI 1.07 to 6.59). One trial involving 17 participants with refractory GPA compared infliximab versus rituximab added to steroids and cytotoxic agents for 12 months. One participant died in each group (Peto OR 0.88, 95% CI, 0.05 to 15.51; 11% versus 12.5%). We have very low-certainty evidence for remission (22% versus 50%, RR 0.44, 95% Cl 0.11 to 1.81) and durable remission (11% versus 50%, RR 0.22, 95% CI 0.03 to 1.60), any severe AE (22.3% versus 12.5%; RR 1.78, 95% CI 0.2 to 16.1) and withdrawals due to AEs (0% versus 0%; RR 2.70, 95% CI 0.13 to 58.24). Disease flare/relapse and the frequency of any AE were not reported. AUTHORS' CONCLUSIONS We found four studies but concerns about risk of bias and small sample sizes preclude firm conclusions. We found moderate-certainty evidence that in patients with relapsing or refractory EGPA, mepolizumab compared to placebo probably decreases disease relapse and low-certainty evidence that mepolizumab may increase the probability of accruing at least 24 weeks of disease remission. There were similar frequencies of total and serious AEs in both groups, but the study was too small to reliably assess these outcomes. Mepolizumab may result in little to no difference in mortality. However, there were very few events. In participants with GPA (and a small subgroup of participants with MPA), etanercept or belimumab may increase the probability of withdrawal due to AEs and may have little to no impact on serious AEs. Etanercept may have little or no impact on durable remission and probably does not reduce disease flare.
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Affiliation(s)
- Malgorzata M Bala
- Chair of Epidemiology and Preventive Medicine, Department of Hygiene and Dietetics, Jagiellonian University Medical College, Krakow, Poland
| | - Teresa J Malecka-Massalska
- Rheumatology Department, Provincial Hospital, Radzyn Podlaski, Lublin, Poland
- Physiology Department, Medical University of Lublin, Lublin, Poland
| | - Magdalena Koperny
- Systematic Reviews Unit, Jagiellonian University Medical College, Krakow, Poland
| | - Joanna F Zajac
- Chair of Epidemiology and Preventive Medicine, Department of Hygiene and Dietetics, Jagiellonian University Medical College, Krakow, Poland
- Systematic Reviews Unit, Jagiellonian University Medical College, Krakow, Poland
| | - Jarosław D Jarczewski
- Department of Pathophysiology, Jagiellonian University Medical College, Krakow, Poland
| | - Wojciech Szczeklik
- 2nd Department of Internal Medicine, Jagiellonian University Medical College, Krakow, Poland
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Sundqvist M, Gibson KM, Bowers SM, Niemietz I, Brown KL. Anti-neutrophil cytoplasmic antibodies (ANCA): Antigen interactions and downstream effects. J Leukoc Biol 2020; 108:617-626. [PMID: 32421916 DOI: 10.1002/jlb.3vmr0220-438rr] [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: 09/21/2019] [Revised: 02/28/2020] [Accepted: 03/26/2020] [Indexed: 12/19/2022] Open
Abstract
Neutrophils are the most abundant leukocytes in circulation and are key "first responders" in the immune response to infectious and non-infectious stimuli. Unlike other immune cells, neutrophils can mount a robust response (including a change in surface markers and the production of extracellular traps and reactive oxygen species) just minutes after sensing a disturbance. It has been speculated that, in some individuals, the activation of neutrophils inadvertently leads to the generation of anti-neutrophil cytoplasmic autoantibodies (ANCA) against particular neutrophil proteins (antigens) such as myeloperoxidase (MPO) and proteinase 3 (PR3). In these individuals, continuous ANCA-antigen interactions are thought to drive persistent activation of neutrophils, chronic immune activation, and disease, most notably, small vessel vasculitis. There are significant gaps however in our understanding of the underlying mechanisms and even the pathogenicity of ANCA given that vasculitis can develop in the absence of ANCA, and that ANCA have been found in circulation in other conditions with no apparent contribution to disease. These gaps are particularly evident in the context of human studies. Herein, we review knowledge on neutrophil-derived ANCA antigens PR3 and MPO, ANCA generation, and ANCA-antigen interaction(s) that may promote immune activation and disease.
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Affiliation(s)
- Martina Sundqvist
- Department of Pediatrics, Division of Rheumatology, The University of British Columbia, Vancouver, British Columbia, Canada.,British Columbia Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Kristen M Gibson
- British Columbia Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada.,Department of Medical Genetics, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Sarah M Bowers
- British Columbia Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Iwona Niemietz
- British Columbia Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada.,Department of Microbiology & Immunology, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Kelly L Brown
- Department of Pediatrics, Division of Rheumatology, The University of British Columbia, Vancouver, British Columbia, Canada.,British Columbia Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
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24
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Miyanaga M, Takase H, Ohno-Matsui K. Anti-Neutrophil Cytoplasmic Antibody-Associated Ocular Manifestations in Japan: A Review of 18 Patients. Ocul Immunol Inflamm 2020; 29:991-996. [PMID: 32078414 DOI: 10.1080/09273948.2020.1712432] [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] [Indexed: 10/25/2022]
Abstract
ABSTARCTPurpose: To investigate ocular manifestations in patients positive for serum anti-neutrophil cytoplasmic antibodies (ANCAs) in Japan.Methods: The clinical records of patients who had ocular manifestations and who were serum ANCA positive between 2011-2017 at Tokyo Medical and Dental University Hospital were retrospectively reviewed.Results: Eighteen patients were identified to be positive for serum ANCA and had ocular manifestations, including optic nerve involvement (50%), scleritis (27.8%), iritis (27.8%), retinal vasculitis (16.7%), oculomotor disorder (16.7%), and peripheral ulcerative keratitis (11.1%). Six patients had ANCA-associated vasculitis (AAV), including 5 patients with granulomatosis with polyangiitis and 1 patient with microscopic polyangiitis. Most patients with optic nerve involvement were myeloperoxidase-ANCA positive. Contrastingly, most patients with anterior segment involvement were proteinase-3-ANCA positive.Conclusion: Ocular manifestations were observed in some patients positive for serum ANCAs. Serum ANCA evaluation is useful for identifying the etiology of ocular inflammation and for diagnosing AAV, a life-threatening disease.
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Affiliation(s)
- Masaru Miyanaga
- Department of Ophthalmology & Visual Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.,Department of Ophthalmology, Tokyo Metropolitan Hiroo Hospital, Tokyo, Japan
| | - Hiroshi Takase
- Department of Ophthalmology & Visual Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kyoko Ohno-Matsui
- Department of Ophthalmology & Visual Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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25
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Menezes JM, Rossener R, Silva APMAD, Rodrigues SS, Mangueira CLP. Comparison between enzyme-linked immunosorbent assay and indirect immunofluorescence for detection of antineutrophil cytoplasmic antibodies. EINSTEIN-SAO PAULO 2020; 18:eAO5132. [PMID: 31994608 PMCID: PMC6980292 DOI: 10.31744/einstein_journal/2020ao5132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 10/03/2019] [Indexed: 12/13/2022] Open
Abstract
Objective To evaluate the performance of enzyme-linked immunosorbent assay and indirect immunofluorescence methods for the detection of antineutrophil cytoplasmic antibodies in a routine clinical laboratory setting. Methods A total of 227 samples were tested by indirect immunofluorescence and enzyme-linked immunosorbent assay with antigen specificity for antiproteinase 3 and antimyeloperoxidase. The proportions of positive samples were compared by McNemar hypotheses and agreement was described by Cohen’s Kappa coefficient. Results The agreement of the tests was 96.5%, and the Kappa coefficient obtained was 0.70 (95%CI: 0.50-0.90; p<0.001). Considering indirect immunofluorescence as the gold standard, the sensitivity of the enzyme-linked immunosorbent assay was 0.62 and the specificity was 0.99, with diagnostic accuracy in 96% of cases. Some samples were negative in enzyme-linked immunosorbent assay and positive in indirect immunofluorescence. This situation occurred in all immunofluorescence patterns, but particularly in atypical patterns. Two samples with antiproteinase 3 positivity were considered negative in indirect immunofluorescence. Conclusion The enzyme-linked immunosorbent assay had high specificity but lower sensitivity. The performance of indirect immunofluorescence increases diagnostic sensitivity, while the search for antiproteinase 3 by enzyme-linked immunosorbent assay may also add diagnostic power.
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Affiliation(s)
- Julia Miranda Menezes
- Faculdade Israelita de Ciências da Saúde Albert Einstein, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
| | - Raissa Rossener
- Faculdade Israelita de Ciências da Saúde Albert Einstein, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
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26
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Pijnappel EN, Rijkers GT, Overveld FJV. Saint John on Patmos: Revelations of the Role of Antineutrophil Cytoplasmic Antibody (ANCA) in Vasculitis. Curr Med Chem 2019; 27:2852-2862. [PMID: 31838986 DOI: 10.2174/0929867327666191213112220] [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: 03/06/2018] [Revised: 11/08/2019] [Accepted: 11/16/2019] [Indexed: 11/22/2022]
Abstract
Diagnosis of vasculitis is based on the presence of histologic features and serological testing for antineutrophil cytoplasmic antibodies (ANCA). In patients with vasculitis, two types of ANCA have been identified: ANCA directed against the neutrophil serine protease proteinase-3 (PR3) which results in a cytoplasmic immunofluorescence pattern (c-ANCA) and ANCA directed against the neutrophil enzyme myeloperoxidase (MPO), which results in a perinuclear immunofluorescence pattern (p-ANCA). Question is if the presence of ANCA is the consequence of abnormal neutrophil adhesion, activation, and apoptosis. Or is it, through mechanisms which are not totally clear for the moment, the cause of vasculitis. In the latter case it has to be postulated that ANCA autoantigens are expressed on the cell surface of viable, or activated, or early-apoptotic neutrophils.
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Affiliation(s)
- Esther N Pijnappel
- Department. of Science, University College Roosevelt, Middelburg, Netherlands.,Faculty of Health, Medicine, and Life Science, University of Maastricht, 6211 LK Maastricht, Netherlands
| | - Ger T Rijkers
- Department. of Science, University College Roosevelt, Middelburg, Netherlands.,Laboratory of Medical Microbiology and Immunology, St. Antonius Hospital, Nieuwegein, Netherlands.,Laboratory for Medical Microbiology and Immunology, St. Elisabeth Hospital, Tilburg, Netherlands
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27
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Recognizing Central Nervous System Involvement as a Progressive Feature of Microscopic Polyangiitis: A Diagnostic Dilemma. Am J Med 2019; 132:e673-e676. [PMID: 30986393 DOI: 10.1016/j.amjmed.2019.03.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/12/2019] [Accepted: 03/12/2019] [Indexed: 11/21/2022]
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28
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ANCA-Associated Vasculitides and Hematologic Malignancies: Lessons from the Past and Future Perspectives. J Immunol Res 2019; 2019:1732175. [PMID: 31198793 PMCID: PMC6526571 DOI: 10.1155/2019/1732175] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 04/18/2019] [Indexed: 12/19/2022] Open
Abstract
The purpose of this paper is to collect and summarize all evidences relating to an association between ANCA-associated vasculitides (AAVs) and hematologic malignancies, in the form of either a paraneoplastic vasculitis or leukemias and lymphomas developing on a preexisting vasculitis. Additionally, the role of cyclophosphamide in vasculitis treatment has been assessed and compared to rituximab. Paraneoplastic AAV seems to be an uncommon presentation of hemopathies. Hematologic malignancy risk in AAV is more likely to be increased by cyclophosphamide, although not yet definitely proven. Furthermore, the pathogenesis of ANCA-associated vasculitis has been reviewed with particular emphasis on the role of proteinase 3 (PR3) in fuelling granulomatosis with polyangiitis (GPA) inflammation. PR3 is a bactericidal protein expressed by neutrophilic granules and on their plasma membrane. Derangements in its expression and function have been linked to leukemias and GPA alike. PR3-derived PR1 peptide is being studied as an immunotherapy target in leukemia and multiple myeloma. This study is aimed at bringing together various evidences from the field of immunological and hematological research, at exposing contradictions, and at revealing novel insights on the association between ANCA-associated vasculitis and hematologic malignancies.
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29
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Sánchez-Díaz G, Escobar F, Villaverde-Hueso A, de la Paz MP, Alonso-Ferreira V. Temporal and Cartographic Analyses of the Distribution within Spain of Mortality Due to Granulomatosis with Polyangiitis (1984⁻2016). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16081388. [PMID: 30999675 PMCID: PMC6518272 DOI: 10.3390/ijerph16081388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 04/12/2019] [Accepted: 04/13/2019] [Indexed: 11/16/2022]
Abstract
The aim is to conduct a descriptive, population-based study in order to assess temporal and spatial changes in mortality due to granulomatosis with polyangiitis (GPA) in Spain from 1984 to 2016. Mortality data were obtained from the Spanish Annual Death Registry. Deaths in which GPA was the underlying cause were selected using the 446.4 and M31.3 codes from the International Classification of Diseases, 9th and 10th revision. Annual average age at death and age-adjusted mortality rates were calculated. Geographic analysis was performed at municipality and district level. Variations in mortality according to the type of municipality (urban, agro-urban or rural), district and geographic location (degrees of latitude) were assessed using standardized mortality ratios (SMRs) and smoothed-SMRs. Over the whole period, 620 deaths due to GPA were identified. Age at death increased at an average annual rate of 0.78% over the period 1987–2016 (p < 0.05). Age-adjusted mortality rates increased by an annual average of 20.58% from 1984 to 1992, after which they fell by 1.91% a year (p < 0.05). The agro-urban category had the highest percentage (4.57%) of municipalities with a significantly higher GPA mortality rate than expected. Geographic analysis revealed four districts with a higher risk of death due to GPA, two in the North of Spain and two in the South. This population-based study revealed an increase in the age at death attributed to GPA. Age-adjusted mortality rates went up sharply until 1992, after which they started to decline until the end of the study period. Geographic differences in mortality risk were identified but further studies will be necessary to ascertain the reasons for the distribution of GPA disease.
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Affiliation(s)
- Germán Sánchez-Díaz
- Institute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Department of Geology, Geography and Environmental Sciences, University of Alcala, 28801 Alcalá de Henares, Spain.
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), 28029 Madrid, Spain.
| | - Francisco Escobar
- Department of Geology, Geography and Environmental Sciences, University of Alcala, 28801 Alcalá de Henares, Spain.
| | - Ana Villaverde-Hueso
- Institute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), 28029 Madrid, Spain.
| | - Manuel Posada de la Paz
- Institute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), 28029 Madrid, Spain.
| | - Verónica Alonso-Ferreira
- Institute of Rare Diseases Research (IIER), Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), 28029 Madrid, Spain.
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30
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Suo L, Perez LC, Finch CJ. Testicular granulomatous vasculitis mimicking testicular torsion in an anti-neutrophil cytoplasmic antibody-associated vasculitis patient. SAGE Open Med Case Rep 2019; 7:2050313X18823451. [PMID: 30719308 PMCID: PMC6341501 DOI: 10.1177/2050313x18823451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 12/14/2018] [Indexed: 12/04/2022] Open
Abstract
Testicular vasculitis is uncommon and can be easily misdiagnosed. Early identification and treatment are essential for patient care. A 63-year-old man, presenting with testicular pain and swelling, had been treated with antibiotics for weeks. A month later, he developed severe left testicular pain and systemic symptoms. Scrotal ultrasound was suggestive of testicular torsion due to no blood flow. Pathology of the orchiectomy specimen demonstrated testicular granulomatous vasculitis involving small- to medium-sized arteries. Additional work-up of blood tests contained positive antinuclear, anti-proteinase 3 and anti-myeloperoxidase antibodies. Erythrocyte sedimentation rate and C-reactive protein were also elevated. Diagnosis of anti-neutrophil cytoplasmic antibody–associated vasculitis was made and prednisone was started. During more than 1-year follow-up, the patient’s systemic symptoms were resolving gradually with no involvement of the other testis.
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Affiliation(s)
- Liye Suo
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
| | - Luis Carlos Perez
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
| | - Christie Jean Finch
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
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31
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Gilyarov MY, Belikova LP, Shchukin IA, Fidler MS, Avakyan GG, Shustrova GE, Martynov MY, Svet AV. [Neurological disorders in eosinophilic granulomatosis with polyangiitis (Churg-Strauss syndrome)]. Zh Nevrol Psikhiatr Im S S Korsakova 2018. [PMID: 28635862 DOI: 10.17116/jnevro201611610193-102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Eosinophilic granulomatosis with polyangiitis - EGPA (Churg-Strauss syndrome) is a rare autoimmune disorder. The pathogenesis of the disease includes production of anti-neutrophil cytoplasmic antibodies directed against myeloperoxidase with the development of small-vessel necrotizing vasculitis and eosinophilic infiltration of organs. The involvement of peripheral and central nervous system is observed in more than 3/4 of cases. The authors describe three patients with EGPA. In a 53-year-old male patient, EGPA manifested with multiple neuropathies, which regressed after treatment with corticosteroids and cytostatics. In a 34-year-old woman, cerebral sinus thrombosis and cerebral infarction developed in the non-active period of long-term EGPA. The patient was treated with anticoagulants. A 77-year-old woman with a newly diagnosed EGPA, confirmed by bone marrow examination for eosinophilia, developed ischemic stroke and polyneuropathy. The causes and mechanisms of development as well as dynamics and outcomes of neurological disorders, differential diagnosis, treatment and prognosis of eosinophilic granulomatosis with polyangiitis are discussed.
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Affiliation(s)
| | | | - I A Shchukin
- Pirogov City Clinical Hospital, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - M S Fidler
- Pirogov City Clinical Hospital, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - G G Avakyan
- Pirogov City Clinical Hospital, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | | | - M Yu Martynov
- Pirogov City Clinical Hospital, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | - A V Svet
- Pirogov City Clinical Hospital, Moscow, Russia
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32
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Harigai M. Can genetic studies predict treatment response in antineutrophil cytoplasmic antibody-associated vasculitis? Int J Rheum Dis 2018; 22 Suppl 1:95-99. [DOI: 10.1111/1756-185x.13294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Masayoshi Harigai
- Division of Epidemiology and Pharmacoepidemiology of Rheumatic Diseases; Institute of Rheumatology; Tokyo Women's Medical University; Tokyo Japan
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33
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Determinants of renal and patient outcomes in a Spanish cohort of patients with ANCA-associated vasculitis and renal involvement. Clin Rheumatol 2018. [PMID: 29520673 DOI: 10.1007/s10067-017-3973-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The classification of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) remains controversial. The main objective of this study was to define the respective values of ANCA serotype-based classification, clinicopathological classification, and histopathological classification in predicting patient and renal outcomes in a Spanish cohort of patients with ANCA with specificity for myeloperoxidase, MPO-ANCA, versus ANCA with specificity for proteinase 3, PR3-ANCA. Two hundred and forty-five patients with ANCA-AAV and biopsy-proven renal involvement diagnosed between 2000 and 2104 were recruited in 12 nephrology services. Clinical and histologic data, renal outcomes, and mortality were analyzed. We applied the Chapel Hill Consensus Conference definition with categories for granulomatosis with the polyangiitis (GPA) and microscopic polyangiitis (MPA), the classification based on ANCA specificity, and the histopathological classification proposed in 2010. Eighty-two percent were MPO-ANCA positive and 18.0% PR3-ANCA positive. Altogether, 82.9% had MPA and 17.1% GPA. The median follow-up was 43.2 months (0.1-169.3). Neither ANCA-based serological nor clinical classification was predictive of renal outcomes or patient survival on bivariate or multivariate Cox regression analysis. Histopathological classification was found to predict development of end-stage renal disease (p = 0.005) in Kaplan-Meier analysis. ANCA specificity was more predictive of relapse than clinicopathological classification in multivariate analysis (HR 2.086; 95% CI 1.046-4.158; p = 0.037). In our Spanish cohort, a majority of patients had an MPO-ANCA-AAV. A classification based on ANCA specificity has a higher predictive value for relapse occurrence and could be used for decision-making with respect to induction treatment and maintenance therapies.
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Hadzik-Blaszczyk M, Zdral A, Zielonka TM, Rozy A, Krupa R, Falkowski A, Wardyn KA, Chorostowska-Wynimko J, Zycinska K. SERPINA1 Gene Variants in Granulomatosis with Polyangiitis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1070:9-18. [PMID: 29460271 DOI: 10.1007/5584_2018_156] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Alpha-1 antitrypsin (A1AT) deficiency is one of the most common genetic disorders in Caucasian population. There is a link between granulomatosis with polyangiitis (GPA) and most frequent variants of SERPINA1 gene encoding severe alpha-1 antitripsin deficiency. However, the potential effect of Pi*Z, Pi*S as well as other SERPINA1 variants on clinical course of vasculitis are not well understood. The aim of the study was to analyze the potential effect of A1AT protein phenotype representing the SERPINA1 gene variants on the clinical course of GPA. The study group consisted of 64 subjects with GPA, stratified according to the disease severity: patients in active phase (group I, n = 12), patients during remission on treatment (group II, n = 40) or untreated (group III, n = 12). Normal Pi*MM SERPINA1 genotype was detected by means of real-time polymerase chain reaction (PCR) or direct sequencing in 59 patients, Pi*MZ genotype in 2, and Pi*IM, Pi*MS or Pi*SZ in 1 patient respectively. The patients with abnormal Pi*Z, Pi*S, or Pi*I allele constituted 17% in group I, 5% in group II, and 8% in group III. The serum content of A1AT and high sensitivity C-reactive protein (hsCRP) assessed by nephelometry did not differ between the groups. Interestingly, the mean serum antiPR3-antibodies level detected by Elisa method was significantly greater in the GPA patients with Pi*Z, Pi*S, or Pi*I SERPINA1 variants than in the Pi*MM homozygotes. In summary, heterozygous Pi*MZ, Pi*MS, and Pi*SZ genotype was detected in 7.8% of total group of GPA patients, and in 10.5% of those with lung lesions. The abnormal alleles of Pi*S and Pi*Z may affect the clinical course of the disease.
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Affiliation(s)
| | - Aneta Zdral
- Department of Genetics and Clinical Immunology, National Institute of Tuberculosis and Lung Diseases, Warsaw, Poland
| | - Tadeusz M Zielonka
- Department of Family Medicine, Internal and Metabolic Diseases, Warsaw Medical University, Warsaw, Poland.
| | - Ada Rozy
- Department of Genetics and Clinical Immunology, National Institute of Tuberculosis and Lung Diseases, Warsaw, Poland
| | - Renata Krupa
- Department of Family Medicine, Internal and Metabolic Diseases, Warsaw Medical University, Warsaw, Poland
| | - Andrzej Falkowski
- Department of Family Medicine, Internal and Metabolic Diseases, Warsaw Medical University, Warsaw, Poland
| | - Kazimierz A Wardyn
- Department of Family Medicine, Internal and Metabolic Diseases, Warsaw Medical University, Warsaw, Poland
| | - Joanna Chorostowska-Wynimko
- Department of Genetics and Clinical Immunology, National Institute of Tuberculosis and Lung Diseases, Warsaw, Poland
| | - Katarzyna Zycinska
- Department of Family Medicine, Internal and Metabolic Diseases, Warsaw Medical University, Warsaw, Poland
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Wang J, Li JN, Cui Z, Zhao MH. Deglycosylation influences the oxidation activity and antigenicity of myeloperoxidase. Nephrology (Carlton) 2017; 23:46-52. [DOI: 10.1111/nep.12926] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 09/13/2016] [Accepted: 09/14/2016] [Indexed: 01/15/2023]
Affiliation(s)
- Jia Wang
- Renal Division, Department of Medicine; Institute of Nephrology, Peking University; Beijing China
| | - Jian-nan Li
- Renal Division, Department of Medicine; Institute of Nephrology, Peking University; Beijing China
| | - Zhao Cui
- Renal Division, Department of Medicine; Institute of Nephrology, Peking University; Beijing China
| | - Ming-hui Zhao
- Renal Division, Department of Medicine; Institute of Nephrology, Peking University; Beijing China
- Peking-Tsinghua Center for Life Sciences; Beijing China
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Vasculitis in the Central Nervous System. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017. [PMID: 28667559 DOI: 10.1007/978-3-319-57613-8_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
Central nervous system (CNS) vasculitides are a heterogeneous group of disorders characterized by an inflammatory cell infiltration and necrosis of blood vessel walls in the brain, spinal cord, and the meninges. The CNS complications are likely to be fatal without judicious use of immunosuppression; thus, early diagnosis may prevent from damage and disability. This chapter updates our knowledge on CNS vasculitis-related immunological mechanisms, neurological complications, diagnosis, and management.
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Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis is characterized as inflammation of small-sized to medium-sized blood vessels and encompasses several clinicopathologic entities including granulomatosis with polyangiitis, microscopic polyangiitis, eosinophilic granulomatosis with polyangiitis, and renal-limited ANCA-associated vasculitis. Over the past several decades, significant progress has been made in understanding the pathophysiology of ANCA-associated vasculitis. Although neutrophils contain a multitude of granular proteins, clinically significant autoantibodies are only recognized against myeloperoxidase and proteinase 3, both of which are present in the azurophilic granules. The propensity to develop these antibodies depends on a variety of predisposing factors such as microbial infection, genetic factors, environmental agents, and therapeutic drugs among others. These factors are usually associated with production of proinflammatory cytokines with capacity to prime the neutrophils. As a result a high proportion of neutrophils in circulation may be primed resulting in exposure of cytoplasmic proteins including myeloperoxidase and proteinase 3 on the surface of the neutrophils. Primed neutrophils are activated by interaction with ANCA in circulation. Activated neutrophils attach to and transmigrate through endothelium and accumulate within the vessel wall. These neutrophils degranulate and produce reactive oxygen radicals and ultimately die, causing tissue injury. Endothelial injury results in leakage of serum proteins and coagulation factors causing fibrinoid necrosis. B cells produce ANCAs, as well as neutrophil abnormalities and imbalances in different T-cell subtypes with excess of Th17, which perpetuate the inflammatory process.
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Yoo IH, Choi ST, Choi SH, Kim JM, Ahn SW. Eosinophilic Granulomatosis with Polyangiitis Presented as Acute Polyneuropathy and Cerebral Vasculitis. Exp Neurobiol 2017; 26:168-171. [PMID: 28680302 PMCID: PMC5491585 DOI: 10.5607/en.2017.26.3.168] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 05/28/2017] [Accepted: 06/05/2017] [Indexed: 01/08/2023] Open
Abstract
Eosinophilic granulomatosis with polyangiitis (EGPA) is an immune related systemic disease that is caused by vasculitis affecting multiple organ systems. It is characterized by asthma, fever, eosinophilia, cardiac problems, renal injury, and peripheral neuropathy. In this report, we describe a patient with EGPA with concurrent cerebral infarction and acute polyneuropathy mimicking a Guillain-Barre syndrome (GBS). A 46-year-old man presented with rapidly progressing gait disturbance, muscular weakness, and tingling sensation in all four limbs. A nerve conduction study revealed sensorimotor polyneuropathy in all four limbs, and a test of the cerebrospinal fluid showed an albumin-cytologic dissociation. In addition, brain magnetic resonance imaging (MRI) using fluid-attenuated inversion recovery and diffusion weighted MRI revealed high signal intensity lesions with gadolinium enhancement on T1-weighted MRI in the right caudate nucleus. After performing laboratory tests, paranasal sinus computed tomography, and a nasal smear, the patient was diagnosed with EGPA and treated with high dose glucocorticoid and oral cyclophosphamide. In conclusion, our findings indicate that a diagnosis of EGPA should be considered when a patient presents with rapidly progressing polyneuropathy mimicking a GBS along with unusual systemic symptoms or brain lesions.
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Affiliation(s)
- Il-Han Yoo
- Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
| | - Sang Tae Choi
- Division of Rheumatology, Department of Internal Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
| | - Seong-Ho Choi
- Division of Infectious Diseases, Department of Internal Medicine, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
| | - Jeong-Min Kim
- Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
| | - Suk-Won Ahn
- Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
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Cuminetti G, Regazzoni V, Vizzardi E, Bonadei I, de Jong MM, Lorusso R, Hoorntje JC, Gelsomino S, Metra M. Cardiac ANCA-associated vasculitis mimicking an acute coronary syndrome. Int J Cardiol 2016; 214:200-1. [DOI: 10.1016/j.ijcard.2016.03.117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Accepted: 03/19/2016] [Indexed: 10/22/2022]
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Kubaisi B, Abu Samra K, Foster CS. Granulomatosis with polyangiitis (Wegener's disease): An updated review of ocular disease manifestations. Intractable Rare Dis Res 2016; 5:61-9. [PMID: 27195187 PMCID: PMC4869584 DOI: 10.5582/irdr.2016.01014] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Granulomatosis with polyangiitis (GPA) is a potentially lethal systemic disorder that is characterized by necrotizing vasculitis of small arteries and veins. The respiratory system is most commonly affected in limited forms of the disease, however upper and lower respiratory system, systemic vasculitis, and necrotizing glomerulonephritis are the characteristic components of the disease triad. The peak incidence is observed at 64-75 years of age, with a prevalence of 8-10 per million depending on geographic location. In this review we focus on the ocular manifestations of the disease which occur in nearly in one third of the patients. In addition we describe the neuro-ophthalmic complications which occur in up to half of cases. We also discuss the current systemic treatment options including corticosteroids, cyclophosphamide, azathioprine, and the available biologic response modifiers including rituximab. The disease remains difficult to diagnose due to the generalized symptomatic presentation of patients with GPA. As a result, several sets of diagnostic criteria have been developed which include clinical, serological, and histopathological findings to varying extents. Early diagnosis and multi-specialty collaboration among physicians is necessary to adequately manage the disease and the potential complications that may result from drugs used in the treatment of the disease. Despite recent advances, more research is necessary to prevent the high rates of mortality from the disease itself and from therapeutic side effects.
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Affiliation(s)
- Buraa Kubaisi
- Massachusetts Eye Research and Surgery institution, Waltham, MA, USA
- Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - Khawla Abu Samra
- Massachusetts Eye Research and Surgery institution, Waltham, MA, USA
- Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - C. Stephen Foster
- Massachusetts Eye Research and Surgery institution, Waltham, MA, USA
- Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
- Harvard Medical School, Boston, MA, USA
- Address correspondence to: Dr. C. Stephen Foster, Massachusetts Eye Research and Surgery Institution, 1440 Main St. Ste. 201, Waltham, MA, USA. E-mail:
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Misra DP, Shenoy SN. Cardiac involvement in primary systemic vasculitis and potential drug therapies to reduce cardiovascular risk. Rheumatol Int 2016; 37:151-167. [DOI: 10.1007/s00296-016-3435-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 01/26/2016] [Indexed: 12/13/2022]
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Abstract
Moh Daha has been instrumental for initiating and coordinating many European consortia in the area of immunopathogenesis of glomerulonephritis including a number with the author. This review provides a personal history of these developments, ending with INTRICATE, an FP7 medium scale project investigating ANCA-associated vasculitis (AAV). The current status of this research and recent insight in the autoimmune reactions and autoantigens in AAV are briefly summarized.
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Affiliation(s)
- Andrew Rees
- Lately of Clinical Institute of Pathology, Medical University of Vienna, Währinger Gürtel 18-20, A-1109 Vienna, Austria.
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Cazalot G, Lavergne SN. Investigation of Anti-Myeloperoxidase Antibodies in a Dog with Bilateral Necrotizing Scleritis. Vet Sci 2015; 2:259-269. [PMID: 29061945 PMCID: PMC5644637 DOI: 10.3390/vetsci2030259] [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: 03/30/2015] [Revised: 08/14/2015] [Accepted: 09/08/2015] [Indexed: 12/05/2022] Open
Abstract
Necrotizing scleritis is uncommon in dogs and presumed to be immune-mediated. Its clinical pattern and histopathology are similar to ocular lesions observed in humans suffering from granulomatosis with polyangiitis (GPA), formerly named Wegener’s granulomatosis, where the pathogenesis revolves around anti-neutrophil antibodies (e.g., anti-myeloperoxidase). These antibodies are used to diagnose and follow-up the disease in humans, but variants that only affect the eyes often test negative. Here, we present the first case of canine necrotizing scleritis where measurement of anti-myeloperoxidase antibodies was attempted. A 1.5 year-old female Scottish Terrier was presented with bilateral deep multifocal scleromalacia, severe inflammation of corneal/uveal/retrobulbar tissues, perilimbal corneal oedema and neovascularization, hypotony, and mild exophthalmos. Corticosteroids and antibiotics had been administrated (topically and orally) without success. Due to painful multifocal scleral perforation with vitreal haemorrhage, the left eye underwent enucleation, so did the right eye one week later. The histopathology of the left eye revealed a neutrophilic and histiocytic scleral infiltration with extension of pyogranulomatous inflammation to the cornea, choroid, ciliary body, and orbital fat. Levels of plasma anti-myeloperoxidase antibodies were not statistically significant to those of 13 healthy dogs. Further research is warranted to investigate the presence and role of anti-neutrophil antibodies in canine necrotizing scleritis.
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Affiliation(s)
- Guillaume Cazalot
- Clinique de la La Borde Rouge, 150 rue Edmond Rostand, Toulouse 31200, France.
| | - Sidonie N Lavergne
- Department of Comparative Biosciences, College of Veterinary Medicine, University of Illinois-Urbana-Champaign, Urbana, IL 61802, USA.
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Applying complement therapeutics to rare diseases. Clin Immunol 2015; 161:225-40. [PMID: 26341313 DOI: 10.1016/j.clim.2015.08.009] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 02/06/2023]
Abstract
Around 350 million people worldwide suffer from rare diseases. These may have a genetic, infectious, or autoimmune basis, and several include an inflammatory component. Launching of effective treatments can be very challenging when there is a low disease prevalence and limited scientific insights into the disease mechanisms. As a key trigger of inflammatory processes, complement has been associated with a variety of diseases and has become an attractive therapeutic target for conditions involving inflammation. In view of the clinical experience acquired with drugs licensed for the treatment of rare diseases such as hereditary angioedema and paroxysmal nocturnal hemoglobinuria, growing evidence supports the safety and efficacy of complement therapeutics in restoring immune balance and preventing aggravation of clinical outcomes. This review provides an overview of the candidates currently in the pharmaceutical pipeline with potential to treat orphan diseases and discusses the molecular mechanisms triggered by complement involved with the disease pathogenesis.
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Ronco P, Floege J. Ten-year advances in immunopathology of glomerulonephritis: translated into patients' care or lost in translation? Semin Immunopathol 2014; 36:377-9. [PMID: 25056156 DOI: 10.1007/s00281-014-0437-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 06/06/2014] [Indexed: 12/16/2022]
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