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Chao CL, Applewhite B, Reddy NK, Matiuto N, Dang C, Jiang B. Advances and challenges in regenerative therapies for abdominal aortic aneurysm. Front Cardiovasc Med 2024; 11:1369785. [PMID: 38895536 PMCID: PMC11183335 DOI: 10.3389/fcvm.2024.1369785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
Abdominal aortic aneurysm (AAA) is a significant source of mortality worldwide and carries a mortality of greater than 80% after rupture. Despite extensive efforts to develop pharmacological treatments, there is currently no effective agent to prevent aneurysm growth and rupture. Current treatment paradigms only rely on the identification and surveillance of small aneurysms, prior to ultimate open surgical or endovascular repair. Recently, regenerative therapies have emerged as promising avenues to address the degenerative changes observed in AAA. This review briefly outlines current clinical management principles, characteristics, and pharmaceutical targets of AAA. Subsequently, a thorough discussion of regenerative approaches is provided. These include cellular approaches (vascular smooth muscle cells, endothelial cells, and mesenchymal stem cells) as well as the delivery of therapeutic molecules, gene therapies, and regenerative biomaterials. Lastly, additional barriers and considerations for clinical translation are provided. In conclusion, regenerative approaches hold significant promise for in situ reversal of tissue damages in AAA, necessitating sustained research and innovation to achieve successful and translatable therapies in a new era in AAA management.
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Affiliation(s)
- Calvin L. Chao
- Division of Vascular Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Brandon Applewhite
- Department of Biomedical Engineering, Northwestern University McCormick School of Engineering, Chicago, IL, United States
| | - Nidhi K. Reddy
- Division of Vascular Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Natalia Matiuto
- Division of Vascular Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Caitlyn Dang
- Division of Vascular Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Bin Jiang
- Division of Vascular Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Department of Biomedical Engineering, Northwestern University McCormick School of Engineering, Chicago, IL, United States
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Ibrahim N, Eilenberg W, Neumayer C, Brostjan C. Neutrophil Extracellular Traps in Cardiovascular and Aortic Disease: A Narrative Review on Molecular Mechanisms and Therapeutic Targeting. Int J Mol Sci 2024; 25:3983. [PMID: 38612791 PMCID: PMC11012109 DOI: 10.3390/ijms25073983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
Neutrophil extracellular traps (NETs), composed of DNA, histones, and antimicrobial proteins, are released by neutrophils in response to pathogens but are also recognized for their involvement in a range of pathological processes, including autoimmune diseases, cancer, and cardiovascular diseases. This review explores the intricate roles of NETs in different cardiovascular conditions such as thrombosis, atherosclerosis, myocardial infarction, COVID-19, and particularly in the pathogenesis of abdominal aortic aneurysms. We elucidate the mechanisms underlying NET formation and function, provide a foundational understanding of their biological significance, and highlight the contribution of NETs to inflammation, thrombosis, and tissue remodeling in vascular disease. Therapeutic strategies for preventing NET release are compared with approaches targeting components of formed NETs in cardiovascular disease. Current limitations and potential avenues for clinical translation of anti-NET treatments are discussed.
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Affiliation(s)
| | | | | | - Christine Brostjan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, University Hospital Vienna, 1090 Vienna, Austria; (N.I.); (W.E.); (C.N.)
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Plana E, Oto J, Herranz R, Medina P, Cana F, Miralles M. Calprotectin as a new inflammatory marker of abdominal aortic aneurysm: A pilot study. Vasc Med 2024; 29:189-199. [PMID: 38457311 DOI: 10.1177/1358863x241231494] [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] [Indexed: 03/10/2024]
Abstract
INTRODUCTION Abdominal aortic aneurysm (AAA) is a relevant clinical problem due to the risk of rupture of progressively dilated infrarenal aorta. It is characterized by degradation of elastic fibers, extracellular matrix, and inflammation of the arterial wall. Though neutrophil infiltration is a known feature of AAA, markers of neutrophil activation are scarcely analyzed; hence, the main objective of this study. METHODS Plasma levels of main neutrophil activation markers were quantified in patients with AAA and a double control group (CTL) formed by healthy volunteers (HV) and patients with severe atherosclerosis submitted for carotid endarterectomy (CE). Calprotectin, a cytoplasmic neutrophil protein, was quantified, by Western blot, in arterial tissue samples from patients with AAA and organ donors. Colocalization of calprotectin and neutrophil elastase was assessed by immunofluorescence. RESULTS Plasma calprotectin and IL-6 were both elevated in patients with AAA compared with CTL (p ⩽ 0.0001) and a strong correlation was found between both molecules (p < 0.001). This difference was maintained when comparing with HV and CE for calprotectin but only with HV for IL-6. Calprotectin was also elevated in arterial tissue samples from patients with AAA compared with organ donors (p < 0.0001), and colocalized with neutrophils in the arterial wall. CONCLUSIONS Circulating calprotectin could be a specific AAA marker and a potential therapeutical target. Calprotectin is related to inflammation and neutrophil activation in arterial wall and independent of other atherosclerotic events.
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Affiliation(s)
- Emma Plana
- Angiology and Vascular Surgery Service, La Fe University and Polytechnic Hospital, Valencia, Spain
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Valencia, Spain
| | - Julia Oto
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Valencia, Spain
| | - Raquel Herranz
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Valencia, Spain
| | - Pilar Medina
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Valencia, Spain
| | - Fernando Cana
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Valencia, Spain
| | - Manuel Miralles
- Angiology and Vascular Surgery Service, La Fe University and Polytechnic Hospital, Valencia, Spain
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Valencia, Spain
- Department of Surgery, University of Valencia, Valencia, Spain
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Ibrahim N, Bleichert S, Klopf J, Kurzreiter G, Hayden H, Knöbl V, Artner T, Krall M, Stiglbauer-Tscholakoff A, Oehler R, Petzelbauer P, Busch A, Bailey MA, Eilenberg W, Neumayer C, Brostjan C. Reducing Abdominal Aortic Aneurysm Progression by Blocking Neutrophil Extracellular Traps Depends on Thrombus Formation. JACC Basic Transl Sci 2024; 9:342-360. [PMID: 38559632 PMCID: PMC10978405 DOI: 10.1016/j.jacbts.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 10/02/2023] [Accepted: 11/01/2023] [Indexed: 04/04/2024]
Abstract
Neutrophil extracellular traps (NETs) are implicated in the pathogenesis of abdominal aortic aneurysm (AAA), located in adventitia and intraluminal thrombus. We compared the therapeutic potential of targeting upstream or downstream effector molecules of NET formation in 2 murine AAA models based on angiotensin II or peri-adventitial elastase application. In both models, NETs were detected in formed aneurysms at treatment start. Although NET inhibitors failed in the elastase model, they prevented progression of angiotensin II-induced aneurysms with thrombus, which resembles established human disease (including thrombus development). Blockade of upstream NET mediators was more effective than interference with downstream NET molecules.
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Affiliation(s)
- Nahla Ibrahim
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Sonja Bleichert
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Johannes Klopf
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Gabriel Kurzreiter
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Hubert Hayden
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Viktoria Knöbl
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Tyler Artner
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Moritz Krall
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Alexander Stiglbauer-Tscholakoff
- Division of Cardiovascular and Interventional Radiology, Division of Molecular and Gender Imaging, Department of Biomedical Imaging and Image Guided Therapy, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Rudolf Oehler
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Peter Petzelbauer
- Skin and Endothelium Research Division, Department of Dermatology, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Albert Busch
- Department for Visceral, Thoracic and Vascular Surgery, Technical University of Dresden and University Hospital Carl-Gustav Carus, Dresden, Germany
| | - Marc A. Bailey
- Leeds Institute for Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds, United Kingdom
- Leeds Vascular Institute, Leeds General Infirmary, Leeds, United Kingdom
| | - Wolf Eilenberg
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
| | - Christine Brostjan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna and University Hospital Vienna, Vienna, Austria
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Brun A, Petit C, Huck O, Bouchard P, Carra MC, Gosset M. [Periodontitis : An underestimated risk of cardiovascular diseases]. Med Sci (Paris) 2024; 40:35-41. [PMID: 38299901 DOI: 10.1051/medsci/2023193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024] Open
Abstract
Epidemiological studies have identified periodontitis as a contributing factor to cardiovascular risk. Periodontitis is a chronic inflammatory disease that affects the tissues supporting the teeth. Although the nature of the association between periodontitis and cardiovascular disease (CVD) remains to be defined, the low-grade systemic inflammation and chronic bacteremia associated with periodontitis appear to be involved in the development of atherosclerosis and associated cardiovascular pathologies. Periodontal treatment has been shown to improve cardiovascular health parameters. A bidirectional preventive approach, involving the management of both periodontitis and cardiovascular risk factors, could lead to a reduction in morbidity and mortality related to cardiovascular disease.
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Affiliation(s)
- Adrian Brun
- Unité de recherche URP2496, Biomedical Research In Odontology (BRIO), France - Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Henri Mondor (AP-HP), service de médecine bucco-dentaire, Créteil, France
| | - Catherine Petit
- Laboratoire de nanomédecine régénérative, Inserm UMR 1260, CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France - Département de parodontologie, faculté de chirurgie dentaire Robert Frank, Strasbourg, France - Hôpitaux universitaires de Strasbourg, pôle de médecine et chirurgie bucco-dentaire, Strasbourg, France
| | - Olivier Huck
- Laboratoire de nanomédecine régénérative, Inserm UMR 1260, CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France - Département de parodontologie, faculté de chirurgie dentaire Robert Frank, Strasbourg, France - Hôpitaux universitaires de Strasbourg, pôle de médecine et chirurgie bucco-dentaire, Strasbourg, France
| | - Philippe Bouchard
- Unité de recherche URP2496, Biomedical Research In Odontology (BRIO), France - Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Rothschild (AP-HP), service d'odontologie, 5 rue Santerre 75012 Paris
| | - Maria Clotilde Carra
- Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Rothschild (AP-HP), service d'odontologie, 5 rue Santerre 75012 Paris - Epidemiology and Statistics Research Centre, Inserm UMR1153, Paris, France
| | - Marjolaine Gosset
- Unité de recherche URP2496, Biomedical Research In Odontology (BRIO), France - Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Charles Foix (AP-HP), service de médecine bucco-dentaire, Ivry/Seine, France
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Freiherr Von Seckendorff A, Nomenjanahary MS, Labreuche J, Ollivier V, Di Meglio L, Dupont S, Hamdani M, Brikci-Nigassa N, Brun A, Boursin P, Piotin M, Mazighi M, Ho-Tin-Noé B, Desilles JP, Delbosc S. Periodontitis in ischemic stroke: impact of Porphyromonas gingivalis on thrombus composition and ischemic stroke outcomes. Res Pract Thromb Haemost 2024; 8:102313. [PMID: 38318152 PMCID: PMC10840352 DOI: 10.1016/j.rpth.2023.102313] [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: 06/08/2023] [Revised: 12/11/2023] [Accepted: 12/20/2023] [Indexed: 02/07/2024] Open
Abstract
Background Periodontitis is associated with an increased risk of ischemic stroke, but the mechanisms underlying this association remain unclear. Objectives Our objective was to determine whether Porphyromonas gingivalis (Pg), a periodontal bacterium, could be detected within thrombus aspirates, modify thrombus composition, and endovascular therapy responses. Methods The presence of Pg gingipain in 175 consecutive thrombi from patients with large vessel occlusion stroke enrolled in the multicenter research cohort compoCLOT was investigated by immunostaining. Thrombus blood cell composition according to gingipain status was analyzed in a subset of 63 patients. Results Pg gingipain immunostaining was positive in 33.7% of thrombi (95% CI, 26.7%-40.8%). The percentage of near to complete reperfusion (modified Thrombolysis in Cerebral Infarction Score 2c/3) at the end of the procedure was lower in the Pgpos group than the Pgneg group (39.0% vs 57.8% respectively; adjusted odds ratio, 0.38; 95% CI, 0.19-0.77). At 3 months, 35.7% of patients in the Pgpos group had a favorable neurological outcome vs 49.5% in the Pgneg group (odds ratio, 0.65; 95% CI, 0.30-1.40). Quantitative analysis of a subset of 63 thrombi showed that neutrophil elastase content was significantly (P < .05) higher in Pgpos thrombi than in Pgneg thrombi. Conclusion Our results indicate that intrathrombus Pg gingipain is associated with increased neutrophil content and resistance to endovascular therapy.
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Affiliation(s)
- Aurélien Freiherr Von Seckendorff
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Mialitiana Solo Nomenjanahary
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Julien Labreuche
- Department of Biostatistics, Centre Hospitalier Universitaire Lille, Lille, France
| | - Véronique Ollivier
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Lucas Di Meglio
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Sebastien Dupont
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Mylène Hamdani
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
| | - Nahida Brikci-Nigassa
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
| | - Adrian Brun
- Laboratory of Orofacial Pathologies, Imaging and Biotherapies URP2496, Unité de Formation et de Recherche Odontologie, Faculté de Santé, Université Paris Cité, Montrouge, France
- Division of Periodontology, Department of Oral Medicine, Assisantance Publique Hôpitaux de Paris, Henri Mondor Hospital, Créteil, France
| | - Perrine Boursin
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
| | - Michel Piotin
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Mikael Mazighi
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
- Fédération Hospitalo-Universitaire Neurovasc, Department of Neurology, Hopital Lariboisière, Assisantance Publique Hôpitaux de Paris, Paris, France
- Department of Neurology, Hôpital Lariboisière, Assisantance Publique Hôpitaux de Paris Nord, Paris, France
| | - Benoit Ho-Tin-Noé
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
| | - Jean-Philippe Desilles
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
- Fédération Hospitalo-Universitaire Neurovasc, Department of Neurology, Hopital Lariboisière, Assisantance Publique Hôpitaux de Paris, Paris, France
| | - Sandrine Delbosc
- Institut National de la Santé et de la Recherche Médicale, Laboratory for Vascular Translational Research, Université Paris Cité and Université Sorbonne Paris Nord, Paris, France
| | - compoCLOT study group
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
- Institut National de la Santé et de la Recherche Médicale Unité Mixte de Recherche-1144, Optimisation Thérapeutique en Neuropsychopharmacologie, Unité de Formation et de Recherche Pharmacie, Université Paris Cité, Paris, France
- Department of Biostatistics, Centre Hospitalier Universitaire Lille, Lille, France
- Laboratory of Orofacial Pathologies, Imaging and Biotherapies URP2496, Unité de Formation et de Recherche Odontologie, Faculté de Santé, Université Paris Cité, Montrouge, France
- Division of Periodontology, Department of Oral Medicine, Assisantance Publique Hôpitaux de Paris, Henri Mondor Hospital, Créteil, France
- Fédération Hospitalo-Universitaire Neurovasc, Department of Neurology, Hopital Lariboisière, Assisantance Publique Hôpitaux de Paris, Paris, France
- Department of Neurology, Hôpital Lariboisière, Assisantance Publique Hôpitaux de Paris Nord, Paris, France
- Institut National de la Santé et de la Recherche Médicale, Laboratory for Vascular Translational Research, Université Paris Cité and Université Sorbonne Paris Nord, Paris, France
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Li Y, Wu Y, Huang J, Cao X, An Q, Peng Y, Zhao Y, Luo Y. A variety of death modes of neutrophils and their role in the etiology of autoimmune diseases. Immunol Rev 2024; 321:280-299. [PMID: 37850797 DOI: 10.1111/imr.13284] [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] [Indexed: 10/19/2023]
Abstract
Neutrophils are important in the context of innate immunity and actively contribute to the progression of diverse autoimmune disorders. Distinct death mechanisms of neutrophils may exhibit specific and pivotal roles in autoimmune diseases and disease pathogenesis through the orchestration of immune homeostasis, the facilitation of autoantibody production, the induction of tissue and organ damage, and the incitement of pathological alterations. In recent years, more studies have provided in-depth examination of various neutrophil death modes, revealing nuances that challenge conventional understanding and underscoring their potential clinical utility in diagnosis and treatment. This review explores the multifaceted processes and characteristics of neutrophil death, with a focus on tailored investigations within various autoimmune diseases. It also highlights the potential interplay between neutrophil death and the landscape of autoimmune disorders. The review encapsulates the pertinent pathways implicated in various neutrophil death mechanisms across diverse autoimmune diseases while also charts possible avenues for future research.
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Affiliation(s)
- Yanhong Li
- Department of Rheumatology & Immunology, Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yinlan Wu
- Department of Rheumatology & Immunology, Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jingang Huang
- Medical Research Center, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xue Cao
- Department of Rheumatology and Immunology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, Henan, China
| | - Qiyuan An
- School of Inspection and Biotechnology, Southern Medical University, Guangzhou, China
| | - Yun Peng
- Department of Rheumatology and Clinical Immunology, School of Medicine, The First Affiliated Hospital of Xiamen University, Xiamen University, Xiamen, Fujian, China
| | - Yi Zhao
- Department of Rheumatology & Immunology, Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yubin Luo
- Department of Rheumatology & Immunology, Laboratory of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Institute of Immunology and Inflammation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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8
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Carra MC, Rangé H, Caligiuri G, Bouchard P. Periodontitis and atherosclerotic cardiovascular disease: A critical appraisal. Periodontol 2000 2023. [PMID: 37997210 DOI: 10.1111/prd.12528] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/12/2023] [Indexed: 11/25/2023]
Abstract
In spite of intensive research efforts driving spectacular advances in terms of prevention and treatments, cardiovascular diseases (CVDs) remain a leading health burden, accounting for 32% of all deaths (World Health Organization. "Cardiovascular Diseases (CVDs)." WHO, February 1, 2017, https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds)). Cardiovascular diseases are a group of disorders affecting the heart and blood vessels. They encompass a collection of different conditions, among which atherosclerotic cardiovascular disease (ASCVD) is the most prevalent. CVDs caused by atherosclerosis, that is, ASCVD, are particularly fatal: with heart attack and stroke being together the most prevalent cause of death in the world. To reduce the health burden represented by ASCVD, it is urgent to identify the nature of the "residual risk," beyond the established risk factors (e.g., hypertension) and behavioral factors already maximally targeted by drugs and public health campaigns. Remarkably, periodontitis is increasingly recognized as an independent cardiovascular risk factor.
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Affiliation(s)
- Maria Clotilde Carra
- UFR d'Odontologie, Université Paris Cité, Paris, France
- Service of Odontology, Periodontal and Oral Surgery Unit, Rothschild Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
- INSERM- Sorbonne Paris Cité Epidemiology and Statistics Research Centre (CRESS), Paris, France
| | - Hélène Rangé
- UFR d'Odontologie, Université de Rennes, Rennes, France
- Service of Odontology, Centre Hospitalier Universitaire de Rennes, Rennes, France
- NUMECAN Institute (Nutrition Metabolisms and Cancer), INSERM, INRAE, University of Rennes, Rennes, France
| | - Giuseppina Caligiuri
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, Laboratory for Vascular Translational Science (LVTS), Paris, France
- Department of Cardiology and of Physiology, Hôpitaux Universitaires Paris Nord Val-de-Seine, Site Bichat, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Philippe Bouchard
- UFR d'Odontologie, Université Paris Cité, Paris, France
- URP 2496, Université Paris Cité, Paris, France
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9
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Hayden H, Klopf J, Ibrahim N, Knöbl V, Sotir A, Mekis R, Nowikovsky K, Eilenberg W, Neumayer C, Brostjan C. Quantitation of oxidized nuclear and mitochondrial DNA in plasma samples of patients with abdominal aortic aneurysm. Free Radic Biol Med 2023; 206:94-105. [PMID: 37353175 DOI: 10.1016/j.freeradbiomed.2023.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/06/2023] [Accepted: 06/15/2023] [Indexed: 06/25/2023]
Abstract
There is accumulating evidence that pro-inflammatory features are inherent to mitochondrial DNA and oxidized DNA species. 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodGuo) is the most frequently studied oxidatively generated lesion. Modified DNA reaches the circulation upon cell apoptosis, necrosis or neutrophil extracellular trap (NET) formation. Standard chromatography-based techniques for the assessment of 8-oxodGuo imply degradation of DNA to a single base level, thus precluding the attribution to a nuclear or mitochondrial origin. We therefore aimed to establish a protocol for the concomitant assessment of oxidized mitochondrial and nuclear DNA from human plasma samples. We applied immunoprecipitation (IP) for 8-oxodGuo to separate oxidized from non-oxidized DNA species and subsequent quantitative polymerase chain reaction (qPCR) to assign them to their subcellular source. The IP procedure failed when applied directly to plasma samples, i.e. isotype control precipitated similar amounts of DNA as the specific 8-oxodGuo antibody. In contrast, DNA isolation from plasma prior to the IP process provided assay specificity with little impact on DNA oxidation status. We further optimized sensitivity and efficiency of qPCR analysis by reducing amplicon length and targeting repetitive nuclear DNA elements. When the established protocol was applied to plasma samples of abdominal aortic aneurysm (AAA) patients and control subjects, the AAA cohort displayed significantly elevated circulating non-oxidized and total nuclear DNA and a trend for increased levels of oxidized mitochondrial DNA. An enrichment of mitochondrial versus nuclear DNA within the oxidized DNA fraction was seen for AAA patients. Regarding the potential source of circulating DNA, we observed a significant correlation of markers of neutrophil activation and NET formation with nuclear DNA, independent of oxidation status. Thus, the established method provides a tool to detect and distinguish the release of oxidized nuclear and mitochondrial DNA in human plasma and offers a refined biomarker to monitor disease conditions of pro-inflammatory cell and tissue destruction.
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Affiliation(s)
- Hubert Hayden
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Johannes Klopf
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Nahla Ibrahim
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Viktoria Knöbl
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Anna Sotir
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Ronald Mekis
- Institute of Physiology, Pathophysiology and Biophysics, Unit of Physiology and Biophysics, University of Veterinary Medicine, 1210, Vienna, Austria
| | - Karin Nowikovsky
- Institute of Physiology, Pathophysiology and Biophysics, Unit of Physiology and Biophysics, University of Veterinary Medicine, 1210, Vienna, Austria
| | - Wolf Eilenberg
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Christoph Neumayer
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
| | - Christine Brostjan
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna and University Hospital Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
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10
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Poledniczek M, Neumayer C, Kopp CW, Schlager O, Gremmel T, Jozkowicz A, Gschwandtner ME, Koppensteiner R, Wadowski PP. Micro- and Macrovascular Effects of Inflammation in Peripheral Artery Disease-Pathophysiology and Translational Therapeutic Approaches. Biomedicines 2023; 11:2284. [PMID: 37626780 PMCID: PMC10452462 DOI: 10.3390/biomedicines11082284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Inflammation has a critical role in the development and progression of atherosclerosis. On the molecular level, inflammatory pathways negatively impact endothelial barrier properties and thus, tissue homeostasis. Conformational changes and destruction of the glycocalyx further promote pro-inflammatory pathways also contributing to pro-coagulability and a prothrombotic state. In addition, changes in the extracellular matrix composition lead to (peri-)vascular remodelling and alterations of the vessel wall, e.g., aneurysm formation. Moreover, progressive fibrosis leads to reduced tissue perfusion due to loss of functional capillaries. The present review aims at discussing the molecular and clinical effects of inflammatory processes on the micro- and macrovasculature with a focus on peripheral artery disease.
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Affiliation(s)
- Michael Poledniczek
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, 1090 Vienna, Austria;
| | - Christoph W. Kopp
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Oliver Schlager
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Thomas Gremmel
- Department of Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, 2130 Mistelbach, Austria;
- Institute of Cardiovascular Pharmacotherapy and Interventional Cardiology, Karl Landsteiner Society, 3100 St. Pölten, Austria
| | - Alicja Jozkowicz
- Department of Medical Biotechnology, Faculty of Biophysics, Biochemistry and Biotechnology, Jagiellonian University, 31-007 Krakow, Poland;
| | - Michael E. Gschwandtner
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Renate Koppensteiner
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
| | - Patricia P. Wadowski
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria; (M.P.); (C.W.K.); (O.S.); (M.E.G.); (R.K.)
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11
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Muller M, Labrouche-Colomer S, Bérard X, Biais M, James C, Roullet S. Study of Thrombotic Complications After Open Abdominal Aortic Aneurysm Surgery With Or Without Infection. Eur J Vasc Endovasc Surg 2023; 66:286-287. [PMID: 37225054 DOI: 10.1016/j.ejvs.2023.05.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 05/01/2023] [Accepted: 05/17/2023] [Indexed: 05/26/2023]
Affiliation(s)
- Mélissa Muller
- Service d'anesthésie-réanimation Pellegrin Tripode, CHU de Bordeaux, Bordeaux, France.
| | | | - Xavier Bérard
- Service de chirurgie vasculaire et générale, CHU de Bordeaux, Bordeaux, France
| | - Matthieu Biais
- Service d'anesthésie-réanimation Pellegrin Tripode, CHU de Bordeaux, Bordeaux, France
| | - Chloé James
- Service d'hématologie biologique, CHU de Bordeaux, Bordeaux, France
| | - Stéphanie Roullet
- Hôpital Paul Brousse, AP-HP Université Paris Saclay, Service d'Anesthésie-Réanimation, Villejuif, France
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12
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Viglianisi G, Santonocito S, Polizzi A, Troiano G, Amato M, Zhurakivska K, Pesce P, Isola G. Impact of Circulating Cell-Free DNA (cfDNA) as a Biomarker of the Development and Evolution of Periodontitis. Int J Mol Sci 2023; 24:9981. [PMID: 37373135 DOI: 10.3390/ijms24129981] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
In the last few decades, circulating cell-free DNA (cfDNA) has been shown to have an important role in cell apoptosis or necrosis, including in the development and evolution of several tumors and inflammatory diseases in humans. In this regard, periodontitis, a chronic inflammatory disease that can induce the destruction of supporting components of the teeth, could represent a chronic inflammatory stimulus linked to a various range of systemic inflammatory diseases. Recently, a possible correlation between periodontal disease and cfDNA has been shown, representing new important diagnostic-therapeutic perspectives. During the development of periodontitis, cfDNA is released in biological fluids such as blood, saliva, urine and other body fluids and represents an important index of inflammation. Due to the possibility of withdrawing some of these liquids in a non-invasive way, cfDNA could be used as a possible biomarker for periodontal disease. In addition, discovering a proportional relationship between cfDNA levels and the severity of periodontitis, expressed through the disease extent, could open the prospect of using cfDNA as a possible therapeutic target. The aim of this article is to report what researchers have discovered in recent years about circulating cfDNA in the development, evolution and therapy of periodontitis. The analyzed literature review shows that cfDNA has considerable potential as a diagnostic, therapeutic biomarker and therapeutic target in periodontal disease; however, further studies are needed for cfDNA to be used in clinical practice.
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Affiliation(s)
- Gaia Viglianisi
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Simona Santonocito
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Alessandro Polizzi
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Giuseppe Troiano
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
| | - Mariacristina Amato
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
| | - Khrystyna Zhurakivska
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
| | - Paolo Pesce
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Ospedale S. Martino, 16148 Genoa, Italy
| | - Gaetano Isola
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy
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13
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Chen L, Liu Y, Wang Z, Zhang L, Xu Y, Li Y, Zhang L, Wang G, Yang S, Xue G. Mesenchymal stem cell-derived extracellular vesicles protect against abdominal aortic aneurysm formation by inhibiting NET-induced ferroptosis. Exp Mol Med 2023:10.1038/s12276-023-00986-2. [PMID: 37121969 DOI: 10.1038/s12276-023-00986-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/16/2023] [Accepted: 02/19/2023] [Indexed: 05/02/2023] Open
Abstract
Neutrophil extracellular traps (NETs) play an important role in abdominal aortic aneurysm (AAA) formation; however, the underlying molecular mechanisms remain unclear. Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) may exert therapeutic effects on AAA through their immunomodulatory and regenerative abilities. This study aimed to examine the role and mechanism of MSC-EVs in regulating the development of NET-mediated AAA. Excessive release of NETs was observed in patients with AAA, and the levels of NET components were associated with the clinical outcomes of the patients. Datasets from the Gene Expression Omnibus database were analyzed and revealed that the PI3K/AKT pathway and ferroptosis were strongly associated with NETosis during AAA formation. Further experiments verified that NETs promoted AAA formation by inducing ferroptosis in smooth muscle cells (SMCs) by inhibiting the PI3K/AKT pathway. The PI3K agonist 740 Y-P, the ferroptosis inhibitor ferrostatin-1, and Padi4 deficiency significantly prevented AAA formation. MSC-EVs attenuated AAA formation by reducing NET release in an angiotensin II-induced AAA mouse model. In vitro experiments revealed that MSC-EVs reduced the release of NETs by shifting NETosis to apoptosis. Our study indicates an important role for NET-induced SMC ferroptosis in AAA formation and provides several potential targets for AAA treatment.
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Affiliation(s)
- Liang Chen
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China
| | - Yuting Liu
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China
| | - Zheyu Wang
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China
| | - Leiyang Zhang
- Department of Thoracic and Cardiovascular Surgery, Nanjing First Hospital, Nanjing Medical University, 210000, Nanjing, China
| | - Yi Xu
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China
| | - Yinan Li
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China
| | - Lan Zhang
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China
| | - Guiming Wang
- Department of Vascular Surgery, The First Hospital of Shanxi Medical University, 030001, Taiyuan, China.
| | - Shuofei Yang
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China.
| | - Guanhua Xue
- Department of Vascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Road 160, 200127, Shanghai, China.
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14
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Rabelo NN, Yoshikawa MH, Telles JPM, Coelho G, de Souza CS, de Oliveira NPG, Mendoza TRT, Braz-Silva PH, Boechat AL, Teixeira MJ, Figueiredo EG. Torque Teno virus DNA is found in the intracranial aneurysm wall-Is there a causative role? Front Med (Lausanne) 2023; 10:1047310. [PMID: 36744144 PMCID: PMC9894622 DOI: 10.3389/fmed.2023.1047310] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 01/06/2023] [Indexed: 01/20/2023] Open
Abstract
Objective Torque Teno virus (TTV) is a recently discovered virus with high prevalence worldwide, that has been associated with vascular diseases. The aim of this study is to investigate the prevalence of TTV molecular DNA in the intracranial aneurysm (IA) artery walls. Method Samples of IA walls were collected after microsurgical clipping from 35 patients with IA (22 ruptured/13 unruptured cases). The samples were submitted to molecular DNA extraction using the EasyMag automatized extractor and performed with Qiagen DNA extraction Minikit 250. The samples underwent PCR examination with primers for β-globin as internal control using the Nanodrop ® 2000 spectrophotometer. A quantitative (real-time) PCR with TTV-specific primers was performed. Clinical and radiological data of patients included was collected. Results TTV was detected in 15 (42.85%) cases, being 10 (45.4%) ruptured and 5 (38.4%) unruptured (p = 0.732) lesions. Multiple IAs accounted for 14 (40%) cases. Five cases (17.2%) had TTV+ and multiple aneurysms (p = 0.73). Association between presence of virus and aneurysm rupture was not statistically significant (p = 0.96). Conclusion This study demonstrated a relatively high prevalence of viral DNA in the walls of IAs. This is the first study to identify the presence of TTV DNA in IA's samples, which was found more often in ruptured lesions. This is an exploratory study, therefore, larger studies are required to clarify the relationships between inflammation, viral infection, IA formation and rupture.
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Affiliation(s)
- Nícollas Nunes Rabelo
- Department of Neurosurgery, University of São Paulo, São Paulo, SP, Brazil,*Correspondence: Nícollas Nunes Rabelo,
| | | | | | - Giselle Coelho
- Department of Neurosurgery, University of São Paulo, São Paulo, SP, Brazil
| | | | | | | | - Paulo Henrique Braz-Silva
- Laboratory of Virology (LIM-52), University of São Paulo, São Paulo, SP, Brazil,Department of Stomatology, University of São Paulo, São Paulo, SP, Brazil
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15
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Characterization, Quantification, and Visualization of Neutrophil Extracellular Traps. Methods Mol Biol 2023; 2588:451-472. [PMID: 36418704 DOI: 10.1007/978-1-0716-2780-8_27] [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: 11/25/2022]
Abstract
Following the discovery of neutrophil extracellular traps (NETs) in 2004 by Brinkmann and colleagues, there has been extensive research into the role of NETs in a number of inflammatory diseases, including periodontitis. This chapter describes the current methods for the isolation of peripheral blood neutrophils as well as of oral neutrophils for subsequent NET experiments, including approaches to quantify and visualize NET production, the ability of NETs to entrap and kill bacteria, and the removal of NETs by nuclease-containing plasma.
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16
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Sénémaud JN, Skarbek C, Vigne J, Rouzet F, Castier Y, Caligiuri G. Molecular Imaging of Experimental Abdominal Aortic Aneurysms Targeting Vascular Homeostasis Disruption via CD31 Shedding. Eur J Vasc Endovasc Surg 2022; 64:735-736. [PMID: 36209963 DOI: 10.1016/j.ejvs.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/24/2022] [Accepted: 10/02/2022] [Indexed: 01/13/2023]
Affiliation(s)
- Jean N Sénémaud
- Department of Vascular Surgery, Bichat University Hospital, Paris, France; Université de Paris, Paris, France; Laboratory for Vascular Translational Science, INSERM U1148, Paris, France.
| | - Charles Skarbek
- Laboratory for Vascular Translational Science, INSERM U1148, Paris, France
| | - Jonathan Vigne
- Université de Paris, Paris, France; Laboratory for Vascular Translational Science, INSERM U1148, Paris, France; Nuclear Medicine Department, Bichat University Hospital, Paris, France
| | - Francois Rouzet
- Université de Paris, Paris, France; Nuclear Medicine Department, Bichat University Hospital, Paris, France
| | - Yves Castier
- Department of Vascular Surgery, Bichat University Hospital, Paris, France; Université de Paris, Paris, France
| | - Giuseppina Caligiuri
- Université de Paris, Paris, France; Laboratory for Vascular Translational Science, INSERM U1148, Paris, France
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17
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Ling X, Jie W, Qin X, Zhang S, Shi K, Li T, Guo J. Gut microbiome sheds light on the development and treatment of abdominal aortic aneurysm. Front Cardiovasc Med 2022; 9:1063683. [PMID: 36505348 PMCID: PMC9732037 DOI: 10.3389/fcvm.2022.1063683] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/03/2022] [Indexed: 11/27/2022] Open
Abstract
Abdominal aortic aneurysm (AAA) is an inflammatory vascular disease with high disability and mortality. Its susceptible risk factors include old age, being male, smoking, hypertension, and aortic atherosclerosis. With the improvement of screening techniques, AAA incidence and number of deaths caused by aneurysm rupture increase annually, attracting much clinical attention. Due to the lack of non-invasive treatment, early detection and development of novel treatment of AAA is an urgent clinical concern. The pathophysiology and progression of AAA are characterized by inflammatory destruction. The gut microbiota is an "invisible organ" that directly or indirectly affects the vascular wall inflammatory cell infiltration manifested with enhanced arterial wall gut microbiota and metabolites, which plays an important role in the formation and progression of AAA. As such, the gut microbiome may become an important risk factor for AAA. This review summarizes the direct and indirect effects of the gut microbiome on the pathogenesis of AAA and highlights the gut microbiome-mediated inflammatory responses and discoveries of relevant therapeutic targets that may help manage the development and rupture of AAA.
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Affiliation(s)
- Xuebin Ling
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Wei Jie
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China,Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China
| | - Xue Qin
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Shuya Zhang
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China,Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Kaijia Shi
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Tianfa Li
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Junli Guo
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Department of Cardiovascular Medicine of the First Affiliated Hospital, Hainan Medical University, Haikou, China,Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China,*Correspondence: Junli Guo
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18
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Gut microbiome dysbiosis contributes to abdominal aortic aneurysm by promoting neutrophil extracellular trap formation. Cell Host Microbe 2022; 30:1450-1463.e8. [DOI: 10.1016/j.chom.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 07/28/2022] [Accepted: 09/07/2022] [Indexed: 11/20/2022]
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19
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Koepke LG, Simon F, Heuer A. Neutrophil Extracellular Traps (NETs) im Gefäßsystem. GEFÄSSCHIRURGIE 2022; 27:444-448. [PMID: 36118259 PMCID: PMC9466318 DOI: 10.1007/s00772-022-00934-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 09/01/2022] [Indexed: 12/01/2022]
Affiliation(s)
- L.-G. Koepke
- Klinik und Poliklinik für Unfallchirurgie und Orthopädie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Deutschland
| | - F. Simon
- Klinik für Gefäß- und Endovaskularchirurgie, Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - A. Heuer
- Klinik und Poliklinik für Unfallchirurgie und Orthopädie, Universitätsklinikum Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Deutschland
- Mildred Scheel Nachwuchszentrum HaTriCS4, Universitäres Cancer Centrum Hamburg (UCCH), Hamburg, Deutschland
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20
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Han T, Tang H, Lin C, Shen Y, Yan D, Tang X, Guo D. Extracellular traps and the role in thrombosis. Front Cardiovasc Med 2022; 9:951670. [PMID: 36093130 PMCID: PMC9452724 DOI: 10.3389/fcvm.2022.951670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
Thrombotic complications pose serious health risks worldwide. A significant change in our understanding of the pathophysiology of thrombosis has occurred since the discovery of extracellular traps (ETs) and their prothrombotic properties. As a result of immune cells decondensing chromatin into extracellular fibers, ETs promote thrombus formation by acting as a scaffold that activates platelets and coagulates them. The involvement of ETs in thrombosis has been reported in various thrombotic conditions including deep vein thrombosis (DVT), pulmonary emboli, acute myocardial infarction, aucte ischemic stroke, and abdominal aortic aneurysms. This review summarizes the existing evidence of ETs in human and animal model thrombi. The authors described studies showing the existence of ETs in venous or arterial thrombi. In addition, we studied potential novel therapeutic opportunities related to the resolution or prevention of thrombosis by targeting ETs.
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21
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Kim S, Bando Y, Chang C, Kwon J, Tarverti B, Kim D, Lee SH, Ton-That H, Kim R, Nara PL, Park NH. Topical application of Porphyromonas gingivalis into the gingival pocket in mice leads to chronic‑active infection, periodontitis and systemic inflammation. Int J Mol Med 2022; 50:103. [PMID: 35703359 PMCID: PMC9242655 DOI: 10.3892/ijmm.2022.5159] [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: 03/02/2022] [Accepted: 04/14/2022] [Indexed: 11/20/2022] Open
Abstract
Porphyromonas gingivalis (Pg), one of the 'red-complex' perio-pathogens known to play a critical role in the development of periodontitis, has been used in various animal models to mimic human bacteria-induced periodontitis. In order to achieve a more realistic animal model of human Pg infection, the present study investigated whether repeated small-volume topical applications of Pg directly into the gingival pocket can induce local infection, including periodontitis and systemic vascular inflammation in wild-type mice. Freshly cultured Pg was topically applied directly into the gingival pocket of the second molars for 5 weeks (3 times/week). After the final application, the mice were left in cages for 4 or 8 weeks and sacrificed. The status of Pg colony formation in the pocket, gingival inflammation, alveolar bone loss, the expression levels of pro-inflammatory cytokines in the serum and aorta, the presence of anti-Pg lipopolysaccharide (LPS) and gingipain (Kpg and RgpB) antibodies in the serum, as well as the accumulation of Pg LPS and gingipain aggregates in the gingiva and arterial wall were evaluated. The topical application of Pg into the gingival pocket induced the following local and systemic pathohistological changes in mice when examined at 4 or 8 weeks after the final topical Pg application: Pg colonization in the majority of gingival pockets; increased gingival pocket depths; gingival inflammation indicated by the increased expression of TNF-α, IL-6 and IL-1β; significant loss of alveolar bone at the sites of topical Pg application; and increased levels of pro-inflammatory cytokines, such as TNF-α, IL-1β, IL-17, IL-13, KC and IFN-γ in the serum in comparison to those from mice receiving PBS. In addition, the Pg application/colonization model induced anti-Pg LPS and gingipain antibodies in serum, as well as the accumulation of Pg LPS and gingipain aggregates in the gingivae and arterial walls. To the best of our knowledge, this mouse model represents the first example of creating a more sustained local infection in the gingival tissues of wild-type mice and may prove to be useful for the investigation of the more natural and complete pathogenesis of the bacteria in the development of local oral and systemic diseases, such as atherosclerosis. It may also be useful for the determination of a treatment/prevention/efficacy model associated with Pg-induced colonization periodontitis in mice.
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Affiliation(s)
- Sharon Kim
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Yasuhiko Bando
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Chungyu Chang
- Section of Oral Biology, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Jeonga Kwon
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Berta Tarverti
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Doohyun Kim
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Sung Hee Lee
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Hung Ton-That
- Section of Oral Biology, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Reuben Kim
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Peter L Nara
- Keystone Bio Incorporated, Suite 200, St. Louis, MO 63110, USA
| | - No-Hee Park
- The Shapiro Family Laboratory of Viral Oncology and Aging Research, UCLA School of Dentistry, Los Angeles, CA 90095, USA
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22
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Ouyang K, Oparaugo N, Nelson AM, Agak GW. T Cell Extracellular Traps: Tipping the Balance Between Skin Health and Disease. Front Immunol 2022; 13:900634. [PMID: 35795664 PMCID: PMC9250990 DOI: 10.3389/fimmu.2022.900634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/23/2022] [Indexed: 11/30/2022] Open
Abstract
The role of extracellular traps (ETs) in the innate immune response against pathogens is well established. ETs were first identified in neutrophils and have since been identified in several other immune cells. Although the mechanistic details are not yet fully understood, recent reports have described antigen-specific T cells producing T cell extracellular traps (TETs). Depending on their location within the cutaneous environment, TETs may be beneficial to the host by their ability to limit the spread of pathogens and provide protection against damage to body tissues, and promote early wound healing and degradation of inflammatory mediators, leading to the resolution of inflammatory responses within the skin. However, ETs have also been associated with worse disease outcomes. Here, we consider host-microbe ET interactions by highlighting how cutaneous T cell-derived ETs aid in orchestrating host immune responses against Cutibacterium acnes (C. acnes), a commensal skin bacterium that contributes to skin health, but is also associated with acne vulgaris and surgical infections following joint-replacement procedures. Insights on the role of the skin microbes in regulating T cell ET formation have broad implications not only in novel probiotic design for acne treatment, but also in the treatment for other chronic inflammatory skin disorders and autoimmune diseases.
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Affiliation(s)
- Kelsey Ouyang
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, United States
- Division of Dermatology, Department of Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA, United States
- David Geffen School of Medicine at University of California, Los Angeles (UCLA), Los Angeles, CA, United States
| | - Nicole Oparaugo
- David Geffen School of Medicine at University of California, Los Angeles (UCLA), Los Angeles, CA, United States
| | - Amanda M. Nelson
- Department of Dermatology, Penn State University College of Medicine, Hershey, PA, United States
| | - George W. Agak
- Division of Dermatology, Department of Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA, United States
- *Correspondence: George W. Agak,
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23
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Koziel J, Potempa J. Pros and cons of causative association between periodontitis and rheumatoid arthritis. Periodontol 2000 2022; 89:83-98. [PMID: 35262966 PMCID: PMC9935644 DOI: 10.1111/prd.12432] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 06/28/2021] [Accepted: 07/03/2021] [Indexed: 02/05/2023]
Abstract
Research in recent decades has brought significant advancements in understanding of the molecular basis of the etiology of autoimmune diseases, including rheumatoid arthritis, a common systemic disease in which an inappropriate or inadequate immune response to environmental challenges leads to joint destruction. Recent studies have indicated that the classical viewpoint of the immunological processes underpinning the pathobiology of rheumatoid arthritis is restricted and needs to be expanded to include a more holistic and interdisciplinary approach incorporating bacteria-induced inflammatory reactions as an important pathway in rheumatoid arthritis etiology. Here, we discuss in detail data showing the clinical and molecular association of rheumatoid arthritis development with periodontal diseases. We also describe the unique role of periopathogens, which have been proposed to be crucial in the initiation and progression of this autoimmune pathological disorder.
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Affiliation(s)
- Joanna Koziel
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Jan Potempa
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.,Department of Oral Immunity and Infectious Diseases, University of Louisville School of Dentistry, Louisville, Kentucky, USA
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24
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Thouvenot K, Turpin T, Taïlé J, Clément K, Meilhac O, Gonthier MP. Links between Insulin Resistance and Periodontal Bacteria: Insights on Molecular Players and Therapeutic Potential of Polyphenols. Biomolecules 2022; 12:biom12030378. [PMID: 35327570 PMCID: PMC8945445 DOI: 10.3390/biom12030378] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/22/2022] [Accepted: 02/24/2022] [Indexed: 02/07/2023] Open
Abstract
Type 2 diabetes is a metabolic disease mainly associated with insulin resistance during obesity and constitutes a major public health problem worldwide. A strong link has been established between type 2 diabetes and periodontitis, an infectious dental disease characterized by chronic inflammation and destruction of the tooth-supporting tissue or periodontium. However, the molecular mechanisms linking periodontal bacteria and insulin resistance remain poorly elucidated. This study aims to summarize the mechanisms possibly involved based on in vivo and in vitro studies and targets them for innovative therapies. Indeed, during periodontitis, inflammatory lesions of the periodontal tissue may allow periodontal bacteria to disseminate into the bloodstream and reach tissues, including adipose tissue and skeletal muscles that store glucose in response to insulin. Locally, periodontal bacteria and their components, such as lipopolysaccharides and gingipains, may deregulate inflammatory pathways, altering the production of pro-inflammatory cytokines/chemokines. Moreover, periodontal bacteria may promote ROS overproduction via downregulation of the enzymatic antioxidant defense system, leading to oxidative stress. Crosstalk between players of inflammation and oxidative stress contributes to disruption of the insulin signaling pathway and promotes insulin resistance. In parallel, periodontal bacteria alter glucose and lipid metabolism in the liver and deregulate insulin production by pancreatic β-cells, contributing to hyperglycemia. Interestingly, therapeutic management of periodontitis reduces systemic inflammation markers and ameliorates insulin sensitivity in type 2 diabetic patients. Of note, plant polyphenols exert anti-inflammatory and antioxidant activities as well as insulin-sensitizing and anti-bacterial actions. Thus, polyphenol-based therapies are of high interest for helping to counteract the deleterious effects of periodontal bacteria and improve insulin resistance.
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Affiliation(s)
- Katy Thouvenot
- Université de La Réunion, Inserm, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), 97490 Saint-Denis de La Réunion, France; (K.T.); (T.T.); (J.T.); (O.M.)
| | - Teva Turpin
- Université de La Réunion, Inserm, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), 97490 Saint-Denis de La Réunion, France; (K.T.); (T.T.); (J.T.); (O.M.)
| | - Janice Taïlé
- Université de La Réunion, Inserm, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), 97490 Saint-Denis de La Réunion, France; (K.T.); (T.T.); (J.T.); (O.M.)
| | - Karine Clément
- Nutrition and Obesity, Systemic Approaches (NutriOmics), INSERM, Sorbonne Université, 75013 Paris, France
| | - Olivier Meilhac
- Université de La Réunion, Inserm, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), 97490 Saint-Denis de La Réunion, France; (K.T.); (T.T.); (J.T.); (O.M.)
| | - Marie-Paule Gonthier
- Université de La Réunion, Inserm, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), 97490 Saint-Denis de La Réunion, France; (K.T.); (T.T.); (J.T.); (O.M.)
- Correspondence: ; Tel.: +33-262-693-92-08-55
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25
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Abstract
Despite effective therapeutic and preventive strategies, atherosclerosis and its complications still represent a substantial health burden. Leukocytes and inflammatory mechanisms are increasingly recognized as drivers of atherosclerosis. Neutrophil granulocytes within the circulation were recently shown to undergo neutrophil extracellular trap (NET) formation, linking innate immunity with acute complications of atherosclerosis. In this chapter, we summarize mechanisms of NET formation, evidence for their involvement in atherosclerosis and thrombosis, and potential therapeutic regimens specifically targeting NET components.
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26
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Brandau A, Ibrahim N, Klopf J, Hayden H, Ozsvar-Kozma M, Afonyushkin T, Bleichert S, Fuchs L, Watzinger V, Nairz V, Manville E, Kessler V, Stangl H, Eilenberg W, Neumayer C, Brostjan C. Association of Lipoproteins with Neutrophil Extracellular Traps in Patients with Abdominal Aortic Aneurysm. Biomedicines 2022; 10:biomedicines10020217. [PMID: 35203427 PMCID: PMC8869298 DOI: 10.3390/biomedicines10020217] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 02/01/2023] Open
Abstract
Neutrophil extracellular traps (NETs) are DNA–protein structures released by neutrophils in response to various stimuli, including oxidized, low-density lipoprotein (oxLDL). Accumulating evidence suggests a role for NETs in the pathogenesis of abdominal aortic aneurysm (AAA). In this study, we investigated the potential association of lipoprotein particles and NETs in AAA in comparison to non-AAA control groups. The concentrations of neutrophil myeloperoxidase (MPO), the NET parameters citrullinated histone H3 (citH3) and circulating cell-free DNA (cfDNA), as well as of blood lipids were determined in plasma or serum of patients with AAA (n = 40), peripheral artery occlusive disease (PAD; n = 40) and healthy donors (n = 29). A sandwich ELISA detecting oxidized phosphatidylcholine in association with apolipoprotein B-100 (oxPL/apoB) was applied to measure oxidized phospholipids in circulation. The effect of lipoparticles on NET formation was tested using a DNA release assay with isolated human neutrophils. Plasma MPO, citH3 and cfDNA levels were significantly increased in AAA patients in comparison to healthy donors and PAD patients. Plasma concentrations of citH3 positively correlated with serum oxPL/apoB in AAA patients. In functional in vitro assays, the addition of oxLDL induced NET formation in pre-stimulated neutrophils. In conclusion, our data suggest a promoting role of oxLDL on NET formation in AAA patients.
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Affiliation(s)
- Annika Brandau
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Nahla Ibrahim
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Johannes Klopf
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Hubert Hayden
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Maria Ozsvar-Kozma
- Department of Laboratory Medicine, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (M.O.-K.); (T.A.)
| | - Taras Afonyushkin
- Department of Laboratory Medicine, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (M.O.-K.); (T.A.)
| | - Sonja Bleichert
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Lukas Fuchs
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Viktoria Watzinger
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Verena Nairz
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Emely Manville
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Veronika Kessler
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Herbert Stangl
- Center for Pathobiochemistry and Genetics, Department of Medical Chemistry, Medical University of Vienna, 1090 Vienna, Austria;
| | - Wolf Eilenberg
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
| | - Christine Brostjan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (A.B.); (N.I.); (J.K.); (H.H.); (S.B.); (L.F.); (V.W.); (V.N.); (E.M.); (V.K.); (W.E.); (C.N.)
- Correspondence: ; Tel.: +43-1-40400-73514
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27
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Zhao J, Jiang P, Guo S, Schrodi SJ, He D. Apoptosis, Autophagy, NETosis, Necroptosis, and Pyroptosis Mediated Programmed Cell Death as Targets for Innovative Therapy in Rheumatoid Arthritis. Front Immunol 2022; 12:809806. [PMID: 35003139 PMCID: PMC8739882 DOI: 10.3389/fimmu.2021.809806] [Citation(s) in RCA: 78] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/13/2021] [Indexed: 01/13/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory joint disease that can lead to clinical manifestations of systemic diseases. Its leading features include chronic synovial inflammation and degeneration of the bones and joints. In the past decades, multiple susceptibilities for rheumatoid arthritis have been identified along with the development of a remarkable variety of drugs for its treatment; which include analgesics, glucocorticoids, nonsteroidal anti-inflammatory medications (NSAIDs), disease-modifying anti-rheumatic drugs (DMARDs), and biologic response modifiers (bDMARDs). Despite the existence of many clinical treatment options, the prognosis of some patients remains poor due to complex mechanism of the disease. Programmed cell death (PCD) has been extensively studied and ascertained to be one of the essential pathological mechanisms of RA. Its dysregulation in various associated cell types contributes to the development of RA. In this review, we summarize the role of apoptosis, cell death-associated neutrophil extracellular trap formation, necroptosis, pyroptosis, and autophagy in the pathophysiology of RA to provide a theoretical reference and insightful direction to the discovery and development of novel therapeutic targets for RA.
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Affiliation(s)
- Jianan Zhao
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ping Jiang
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shicheng Guo
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Steven J Schrodi
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Dongyi He
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Arthritis Institute of Integrated Traditional and Western Medicine, Shanghai Chinese Medicine Research Institute, Shanghai, China
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28
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Kessler V, Klopf J, Eilenberg W, Neumayer C, Brostjan C. AAA Revisited: A Comprehensive Review of Risk Factors, Management, and Hallmarks of Pathogenesis. Biomedicines 2022; 10:94. [PMID: 35052774 PMCID: PMC8773452 DOI: 10.3390/biomedicines10010094] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 12/30/2021] [Indexed: 01/27/2023] Open
Abstract
Despite declining incidence and mortality rates in many countries, the abdominal aortic aneurysm (AAA) continues to represent a life-threatening cardiovascular condition with an overall prevalence of about 2-3% in the industrialized world. While the risk of AAA development is considerably higher for men of advanced age with a history of smoking, screening programs serve to detect the often asymptomatic condition and prevent aortic rupture with an associated death rate of up to 80%. This review summarizes the current knowledge on identified risk factors, the multifactorial process of pathogenesis, as well as the latest advances in medical treatment and surgical repair to provide a perspective for AAA management.
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Affiliation(s)
| | | | | | | | - Christine Brostjan
- Department of General Surgery, Division of Vascular Surgery, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria; (V.K.); (J.K.); (W.E.); (C.N.)
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29
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Neutrophils as Regulators and Biomarkers of Cardiovascular Inflammation in the Context of Abdominal Aortic Aneurysms. Biomedicines 2021; 9:biomedicines9091236. [PMID: 34572424 PMCID: PMC8467789 DOI: 10.3390/biomedicines9091236] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/10/2021] [Accepted: 09/14/2021] [Indexed: 12/22/2022] Open
Abstract
Neutrophils represent up to 70% of circulating leukocytes in healthy humans and combat infection mostly by phagocytosis, degranulation and NETosis. It has been reported that neutrophils are centrally involved in abdominal aortic aneurysm (AAA) pathogenesis. The natural course of AAA is growth and rupture, if left undiagnosed or untreated. The rupture of AAA has a very high mortality and is currently among the leading causes of death worldwide. The use of noninvasive cardiovascular imaging techniques for patient screening, surveillance and postoperative follow-up is well established and recommended by the current guidelines. Neutrophil-derived biomarkers may offer clinical value to the monitoring and prognosis of AAA patients, allowing for potential early therapeutic intervention. Numerous promising biomarkers have been studied. In this review, we discuss neutrophils and neutrophil-derived molecules as regulators and biomarkers of AAA, and our aim was to specifically highlight diagnostic and prognostic markers. Neutrophil-derived biomarkers may potentially, in the future, assist in determining AAA presence, predict size, expansion rate, rupture risk, and postoperative outcome once validated in highly warranted future prospective clinical studies.
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30
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A Review of the Neutrophil Extracellular Traps (NETs) from Cow, Sheep and Goat Models. Int J Mol Sci 2021; 22:ijms22158046. [PMID: 34360812 PMCID: PMC8347029 DOI: 10.3390/ijms22158046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 12/11/2022] Open
Abstract
This review provides insight into the importance of understanding NETosis in cows, sheep, and goats in light of the importance to their health, welfare and use as animal models. Neutrophils are essential to innate immunity, pathogen infection, and inflammatory diseases. The relevance of NETosis as a conserved innate immune response mechanism and the translational implications for public health are presented. Increased understanding of NETosis in ruminants will contribute to the prediction of pathologies and design of strategic interventions targeting NETs. This will help to control pathogens such as coronaviruses and inflammatory diseases such as mastitis that impact all mammals, including humans. Definition of unique attributes of NETosis in ruminants, in comparison to what has been observed in humans, has significant translational implications for one health and global food security, and thus warrants further study.
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31
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Hallikainen J, Pyysalo M, Keränen S, Kellokoski J, Koivisto T, Suominen AL, Pussinen P, Pessi T, Frösen J. Systemic immune response against the oral pathogens Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans is associated with the formation and rupture of intracranial aneurysms. Eur J Neurol 2021; 28:3089-3099. [PMID: 34145948 DOI: 10.1111/ene.14986] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND PURPOSE Periodontal infections are associated with the formation and rupture of intracranial aneurysms (IAs). This study investigated the role of two key periodontal pathogens, Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans. METHODS Immunoglobulin A (IgA) and IgG antibodies against P. gingivalis and A. actinomycetemcomitans were measured with enzyme immune assay from the serum of 227 IA patients, of whom 64 also underwent clinical oral examination. As a control group, 1096 participants in a cross-sectional health survey, Health 2000, underwent serological studies and oral examination. Logistic regression was used for multivariate analysis. Immunohistochemistry was performed to demonstrate bacteria-derived epitopes in the IA wall. RESULTS Widespread gingivitis and severe periodontitis were more common in IA patients than in controls (2× and 1.5×, respectively). IgA antibodies against P. gingivalis and A. actinomycetemcomitans were 1.5× and 3-3.4× higher, respectively, in both unruptured and ruptured IA patients compared to controls (p ≤ 0.003). IgG antibodies against P. gingivalis were 1.8× lower in unruptured IA patients (p < 0.001). In multivariate analysis, high IgA, but low IgG, antibody levels against P. gingivalis (odds ratio [OR] = 1.4, 95% confidence interval [Cl] = 1.1-1.8 and OR = 1.5, 95% Cl = 1.1-1.9; OR = 0.6, 95% Cl = 0.4-0.7 and OR = 0.5, 95% Cl = 0.4-0.7) and against A. actinomycetemcomitans (OR = 2.3, 95% Cl = 1.7-3.1 and OR = 2.1, 95% Cl = 1.5-2.9; OR = 0.6, 95% Cl = 0.4-0.8 and OR = 0.6, 95% Cl = 0.5-0.9) were associated with the risk of IA formation and rupture. Immunohistochemistry showed P. gingivalis epitopes in the IA wall. CONCLUSIONS Exposure to the periodontal pathogens P. gingivalis and A. actinomycetemcomitans and dysfunctional acquired immune response against them may increase the risk of IA formation and IA rupture.
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Affiliation(s)
- Joona Hallikainen
- Institute of Dentistry, University of Eastern Finland, Kuopio, Finland.,Department of Oral and Maxillofacial Diseases, Kuopio University Hospital, Kuopio, Finland.,Hemorrhagic Brain Pathology Research Group, University of Tampere, Tampere, Finland
| | - Mikko Pyysalo
- Hemorrhagic Brain Pathology Research Group, University of Tampere, Tampere, Finland
| | - Sara Keränen
- Hemorrhagic Brain Pathology Research Group, University of Tampere, Tampere, Finland.,A. I. Virtanen Institute, University of Eastern Finland, Kuopio, Finland
| | - Jari Kellokoski
- Institute of Dentistry, University of Eastern Finland, Kuopio, Finland.,Department of Oral and Maxillofacial Diseases, Kuopio University Hospital, Kuopio, Finland
| | - Timo Koivisto
- Department of Neurosurgery, Kuopio University Hospital, Kuopio, Finland
| | - Anna Liisa Suominen
- Institute of Dentistry, University of Eastern Finland, Kuopio, Finland.,Department of Oral and Maxillofacial Diseases, Kuopio University Hospital, Kuopio, Finland.,Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Pirkko Pussinen
- Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tanja Pessi
- Hemorrhagic Brain Pathology Research Group, University of Tampere, Tampere, Finland
| | - Juhana Frösen
- Hemorrhagic Brain Pathology Research Group, University of Tampere, Tampere, Finland.,Department of Neurosurgery, Tampere University Hospital, Tampere, Finland
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32
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Eilenberg W, Zagrapan B, Bleichert S, Ibrahim N, Knöbl V, Brandau A, Martelanz L, Grasl MT, Hayden H, Nawrozi P, Rajic R, Häusler C, Potolidis A, Schirwani N, Scheuba A, Klopf J, Teubenbacher P, Weigl MP, Kirchweger P, Beitzke D, Stiglbauer-Tscholakoff A, Panzenböck A, Lang I, Mauracher LM, Hell L, Pabinger I, Bailey MA, Scott DJA, Maegdefessel L, Busch A, Huk I, Neumayer C, Brostjan C. Histone citrullination as a novel biomarker and target to inhibit progression of abdominal aortic aneurysms. Transl Res 2021; 233:32-46. [PMID: 33571683 DOI: 10.1016/j.trsl.2021.02.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 01/31/2021] [Accepted: 02/04/2021] [Indexed: 12/31/2022]
Abstract
Neutrophil extracellular traps (NETs) have been implicated in the pathogenesis of abdominal aortic aneurysms (AAAs). This study has addressed the notion that NET components might serve as AAA biomarkers or novel targets of AAA therapy. Thus, parameters of neutrophil activation and NET formation were measured in plasma. Their diagnostic marker value was explored in 41 AAA patients and 38 healthy controls. The NET parameter citrullinated histone H3 (citH3) was then validated in 63 AAA patients and 63 controls matched for cardiovascular disease. The prognostic marker potential was investigated in 54 observation periods of AAA growth over 6 months. NETs were further assessed in conditioned medium and sections of aortic tissue. CitH3 was found to be increased in blood (median 362 vs 304 ng/mL, P = 0.004) and aortic tissue (50 vs 1.5 ng/mg, P < 0.001) of AAA patients compared to healthy controls and accumulated in the intraluminal thrombus (629 ng/mg). The diagnostic potential of citH3 ranged at 0.705 area under the ROC curve (AUROC) and was validated with the independent sample set. Furthermore, plasma citH3 predicted AAA growth over the next 6 months (AUROC: 0.707, P = 0.015) and dropped significantly after surgical aneurysm repair. In an angiotensin II - based mouse model of experimental AAA, an inhibitor of histone citrullination was applied to block NET formation and AAA progression. Of note, further growth of an established aneurysm was prevented in mice treated with the NET inhibitor (P = 0.040). In conclusion, histone citrullination represents a promising AAA biomarker and potential therapeutic target to control disease progression.
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Affiliation(s)
- Wolf Eilenberg
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Branislav Zagrapan
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Sonja Bleichert
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Nahla Ibrahim
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Viktoria Knöbl
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Annika Brandau
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Luca Martelanz
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Marie-Therese Grasl
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Hubert Hayden
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Paimann Nawrozi
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Renata Rajic
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Charlotte Häusler
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Alexandros Potolidis
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Nawa Schirwani
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Andreas Scheuba
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Johannes Klopf
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Peter Teubenbacher
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Markus P Weigl
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Patrick Kirchweger
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Dietrich Beitzke
- Department of Biomedical Imaging and Image Guided Therapy: Division of Cardiovascular and Interventional Radiology; Division of Molecular and Gender Imaging, Medical University of Vienna, Vienna, Austria
| | - Alexander Stiglbauer-Tscholakoff
- Department of Biomedical Imaging and Image Guided Therapy: Division of Cardiovascular and Interventional Radiology; Division of Molecular and Gender Imaging, Medical University of Vienna, Vienna, Austria
| | - Adelheid Panzenböck
- Department of Internal Medicine II: Division of Cardiology, Medical University of Vienna, Vienna, Austria
| | - Irene Lang
- Department of Internal Medicine II: Division of Cardiology, Medical University of Vienna, Vienna, Austria
| | - Lisa-Marie Mauracher
- Department of Internal Medicine I: Clinical Division of Haematology and Haemostaseology, Medical University of Vienna, Vienna, Austria
| | - Lena Hell
- Department of Internal Medicine I: Clinical Division of Haematology and Haemostaseology, Medical University of Vienna, Vienna, Austria
| | - Ingrid Pabinger
- Department of Internal Medicine I: Clinical Division of Haematology and Haemostaseology, Medical University of Vienna, Vienna, Austria
| | - Marc A Bailey
- Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Faculty of Medicine and Health, Leeds, United Kingdom; Leeds Vascular Institute, Leeds General Infirmary, Leeds, United Kingdom
| | - D Julian A Scott
- Leeds Vascular Institute, Leeds General Infirmary, Leeds, United Kingdom; Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Faculty of Medicine and Health, Leeds, United Kingdom
| | - Lars Maegdefessel
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University Munich, Munich, Germany; Molecular Vascular Medicine Group, Centre for Molecular Medicine, Karolinska Institute, Stockholm, Sweden
| | - Albert Busch
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University Munich, Munich, Germany; Molecular Vascular Medicine Group, Centre for Molecular Medicine, Karolinska Institute, Stockholm, Sweden
| | - Ihor Huk
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Christoph Neumayer
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria
| | - Christine Brostjan
- Department of General Surgery: Division of Vascular Surgery, Medical University of Vienna, Vienna, Austria.
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Liu K, Sun J, Shao L, He H, Liu Q, Li Y, Ge H. Correlation of periodontal diseases with intracranial aneurysm formation: novel predictive indicators. Chin Neurosurg J 2021; 7:31. [PMID: 34092261 PMCID: PMC8182916 DOI: 10.1186/s41016-021-00249-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 05/13/2021] [Indexed: 12/02/2022] Open
Abstract
Background We investigated whether periodontal diseases, specifically, periodontitis and gingivitis, could be risk factors of the incidence of intracranial aneurysms (IAs). Methods We performed a case–control study to compare the differences in the periodontal disease parameters of 281 cases that were divided into the IAs group and non-IAs group. All cases underwent complete radiographic examination for IAs and examination for periodontal health. Results Comparing with those in the non-IAs group, the cases in the IAs group were older (53.95 ± 8.56 vs 47.79 ± 12.33, p < 0.001) and had a higher incidence of hypertension (76 vs 34, p = 0.006). Univariate logistic regression analysis revealed that age (> 50 years) and hypertension were predictive risk factors of aneurysm formation (odds ratio [OR] 1.047, 95% confidence interval [95% CI] 1.022–1.073, p < 0.001 and OR 2.047, 95% CI 1.232–3.401, p = 0.006). In addition, univariate and multivariate logistic regression analyses showed that the parameters of periodontal diseases, including gingival index, plaque index, clinical attachment loss, and alveolar bone loss, were significantly associated with the occurrence of IAs (all p < 0.05). For further statistical investigation, the parameters of periodontal diseases were divided into four layers based on the quartered data. Poorer periodontal health condition (especially gingival index > 1.1 and plaque index > 1.5) had the correlation with IAs formation (p = 0.007 and p < 0.001). Conclusion Severe gingivitis or periodontitis, combining with hypertension, is significantly associated with the incidence of IAs.
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Affiliation(s)
- Keyun Liu
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, No. 119, West Road of South Fourth Ring, Fengtai, Beijing, 100070, People's Republic of China
| | - Jia Sun
- Department of Stomatology, Tianjin Stomatological Hospital, Hospital of Stomatology, Nankai University, Tianjin, 300041, People's Republic of China
| | - Lingling Shao
- Department of Tuberculosis, Beijing Tuberculosis and Thoracic Tumor Institute, Beijing Chest Hospital, Capital Medical University, Beijing, 101149, People's Republic of China
| | - Hongwei He
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, No. 119, West Road of South Fourth Ring, Fengtai, Beijing, 100070, People's Republic of China
| | - Qinglin Liu
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, No. 119, West Road of South Fourth Ring, Fengtai, Beijing, 100070, People's Republic of China
| | - Youxiang Li
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, No. 119, West Road of South Fourth Ring, Fengtai, Beijing, 100070, People's Republic of China.
| | - Huijian Ge
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, No. 119, West Road of South Fourth Ring, Fengtai, Beijing, 100070, People's Republic of China.
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Hayden H, Ibrahim N, Klopf J, Zagrapan B, Mauracher LM, Hell L, Hofbauer TM, Ondracek AS, Schoergenhofer C, Jilma B, Lang IM, Pabinger I, Eilenberg W, Neumayer C, Brostjan C. ELISA detection of MPO-DNA complexes in human plasma is error-prone and yields limited information on neutrophil extracellular traps formed in vivo. PLoS One 2021; 16:e0250265. [PMID: 33886636 PMCID: PMC8062102 DOI: 10.1371/journal.pone.0250265] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 04/03/2021] [Indexed: 12/16/2022] Open
Abstract
Over the past years, neutrophil extracellular traps (NETs) were shown to contribute to states of acute and chronic inflammatory disease. They are composed of expelled chromatin and decorated by neutrophil-derived proteins. Therefore, the analysis of DNA complexes with myeloperoxidase (MPO) by ELISA has become an attractive tool to measure NET formation in in vitro and in vivo samples. When we used a published MPO-DNA ELISA protocol and included an isotype control for the anti-MPO coating antibody, we observed high assay specificity for in vitro prepared NET samples, whereas the specificity for in vivo plasma samples was low. In addition, the assay failed to detect in vitro generated MPO-DNA complexes when spiked into plasma. Therefore, we set out to improve the specificity of the MPO-DNA ELISA for plasma samples. We found that the use of Fab fragments or immunoglobulins from different species or reversal of the antibody pair led to either a high background or a low dynamic range of detection that did not improve the specificity for plasma samples. Also, the use of higher plasma dilutions or pre-clearing of plasma immunoglobulins were ineffective. Finally, we found that a commercial reagent designed to block human anti-mouse antibodies and multivalent substances increased the detection window between the MPO antibody and isotype control for highly diluted plasma. We applied this modified ELISA protocol to analyze MPO-DNA complexes in human blood samples of acute and chronic inflammatory conditions. While markers of neutrophil activation and NET formation such as MPO, elastase and citrullinated histone H3 correlated significantly, we observed no correlation with the levels of MPO-DNA complexes. Therefore, we conclude that ELISA measurements of MPO-DNA complexes in human plasma are highly questionable regarding specificity of NET detection. In general, plasma analyses by ELISA should more frequently include isotype controls for antibodies to demonstrate target specificity.
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Affiliation(s)
- Hubert Hayden
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Nahla Ibrahim
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Johannes Klopf
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Branislav Zagrapan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Lisa-Marie Mauracher
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Lena Hell
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Thomas M. Hofbauer
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Anna S. Ondracek
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christian Schoergenhofer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Irene M. Lang
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Ingrid Pabinger
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Wolf Eilenberg
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christine Brostjan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
- * E-mail:
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35
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Chen Z, Zhang H, Qu M, Nan K, Cao H, Cata JP, Chen W, Miao C. Review: The Emerging Role of Neutrophil Extracellular Traps in Sepsis and Sepsis-Associated Thrombosis. Front Cell Infect Microbiol 2021; 11:653228. [PMID: 33816356 PMCID: PMC8010653 DOI: 10.3389/fcimb.2021.653228] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/25/2021] [Indexed: 12/17/2022] Open
Abstract
Patients with sepsis commonly suffer from coagulation dysfunction and lead to the formation of thrombus. During the development of sepsis, neutrophils migrate from the circulating blood to infected tissues and mediate the formation of neutrophil extracellular traps (NETs) that kill pathogens. However, the overactivation of neutrophils can promote the formation of immunothrombosis and even cause disseminated intravascular coagulation (DIC), which damages microcirculation. The outcome of sepsis depends on early recognition and intervention, so clinical evaluation of NETs function may be a valuable biomarker for early diagnosis of sepsis. The interaction of NETs with platelets, complement, and endothelium mediates the formation of immunothrombosis in sepsis. Inhibiting the formation of NETs is also considered to be one of the potential treatments for sepsis. In this review, we will discuss the key role of neutrophils and NETs in sepsis and septic thrombosis, in order to reveal new mechanisms for thrombosis treatment of sepsis.
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Affiliation(s)
- Zhaoyuan Chen
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Zhang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mengdi Qu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ke Nan
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hanzhong Cao
- Anesthesiology and Surgical Oncology Research Group, Department of Anesthesiology and Perioperative Medicine, Nantong, China
| | - Juan P Cata
- Department of Anesthesiology and Perioperative Medicine, Anesthesiology and Surgical Oncology Research Group, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Wankun Chen
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China.,Zhangjiang Institute, Fudan University, Shanghai, China
| | - Changhong Miao
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Cancer Center, Zhongshan Hospital, Fudan University, Shanghai, China
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36
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Song W, Ye J, Pan N, Tan C, Herrmann M. Neutrophil Extracellular Traps Tied to Rheumatoid Arthritis: Points to Ponder. Front Immunol 2021; 11:578129. [PMID: 33584645 PMCID: PMC7878527 DOI: 10.3389/fimmu.2020.578129] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 12/14/2020] [Indexed: 02/05/2023] Open
Abstract
In recent years, neutrophil extracellular traps at the forefront of neutrophil biology have proven to help capture and kill pathogens involved in the inflammatory process. There is growing evidence that persistent neutrophil extracellular traps drive the pathogenesis of autoimmune diseases. In this paper, we summarize the potential of neutrophil extracellular traps to drive the pathogenesis of rheumatoid arthritis and experimental animal models. We also describe the diagnosis and treatment of rheumatoid arthritis in association with neutrophil extracellular traps.
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Affiliation(s)
- Wenpeng Song
- Department of Rheumatology, West China Hospital of Sichuan University, Chengdu, China
| | - Jing Ye
- Department of Rheumatology, West China Hospital of Sichuan University, Chengdu, China
| | - Nanfang Pan
- Department of Rheumatology, West China Hospital of Sichuan University, Chengdu, China
| | - Chunyu Tan
- Department of Rheumatology, West China Hospital of Sichuan University, Chengdu, China
| | - Martin Herrmann
- Department of Internal Medicine 3, Universitätsklinik Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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37
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Klopf J, Brostjan C, Eilenberg W, Neumayer C. Neutrophil Extracellular Traps and Their Implications in Cardiovascular and Inflammatory Disease. Int J Mol Sci 2021; 22:ijms22020559. [PMID: 33429925 PMCID: PMC7828090 DOI: 10.3390/ijms22020559] [Citation(s) in RCA: 108] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/04/2021] [Accepted: 01/07/2021] [Indexed: 02/07/2023] Open
Abstract
Neutrophils are primary effector cells of innate immunity and fight infection by phagocytosis and degranulation. Activated neutrophils also release neutrophil extracellular traps (NETs) in response to a variety of stimuli. These NETs are net-like complexes composed of cell-free DNA, histones and neutrophil granule proteins. Besides the evolutionarily conserved mechanism to capture and eliminate pathogens, NETs are also associated with pathophysiological processes of various diseases. Here, we elucidate the mechanisms of NET formation and their different implications in disease. We focused on autoinflammatory and cardiovascular disorders as the leading cause of death. Neutrophil extracellular traps are not only present in various cardiovascular diseases but play an essential role in atherosclerotic plaque formation, arterial and venous thrombosis, as well as in the development and progression of abdominal aortic aneurysms. Furthermore, NETosis can be considered as a source of autoantigens and maintains an inflammatory milieu promoting autoimmune diseases. Indeed, there is further need for research into the balance between NET induction, inhibition, and degradation in order to pharmacologically target NETs and their compounds without impairing the patient’s immune defense. This review may be of interest to both basic scientists and clinicians to stimulate translational research and innovative clinical approaches.
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38
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Brun A, Nuzzo A, Prouvost B, Diallo D, Hamdan S, Meseguer E, Guidoux C, Lavallée P, Amarenco P, Lesèche G, Bouchard P, Michel JB, Rangé H. Oral microbiota and atherothrombotic carotid plaque vulnerability in periodontitis patients. A cross-sectional study. J Periodontal Res 2020; 56:339-350. [PMID: 33368263 DOI: 10.1111/jre.12826] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 09/13/2020] [Accepted: 11/23/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND An increased risk of atherothrombotic vascular events has been reported in periodontitis patients. Periodontitis is associated with dysbiotic subgingival biofilms and bacteremia. OBJECTIVE We hypothesized (a) that the oral microbiome is associated with the carotid microbiome and (b) that periodontitis could contribute to plaque vulnerability. The aim of this study was to determine the associations between periodontitis, the carotid microbiome, and the local innate immune response in carotid atherothrombotic plaques vulnerable to rupture. METHODS In this cross-sectional study, 45 patients admitted for carotid endarterectomy underwent a preoperative periodontal examination. The volume of intraplaque hemorrhage reflected by the hemoglobin level released in carotid-conditioned media was considered as a criterion of carotid plaque vulnerability. Levels of antibodies against periodontal bacteria were determined in sera. The signature of the oral microbiota was assessed by microbial whole-genome sequencing, nested PCR, and immunostaining in carotid plaque samples. Markers of neutrophil recruitment (leukotriene B4), neutrophil activation (myeloperoxidase, defensins), and cytokines were measured in carotid-conditioned media and/or plasma. RESULTS All patients exhibited periodontitis. One hundred and forty-four bacterial genera were detected in the carotid microbiome. While Streptococcus was found in 84% of the carotid samples, periodontitis-associated genera were detected in 21%. P. gingivalis DNA and gingipains were also identified in carotid samples. There were significant inverse correlations between periodontal attachment loss/serum anti-P. gingivalis Immunoglobulin A and cytokine inhibiting neutrophils (all P < .01). There were also significant positive correlations between lipopolysaccharides, myeloperoxidase/human neutrophil peptides1-3, and hemoglobin levels (all P < .01). CONCLUSIONS In patients at risk of stroke, the carotid plaque microbiome was highly diverse and compatible with an oral origin. Periodontitis was significantly associated with neutrophil activation markers and plaque vulnerability to rupture.
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Affiliation(s)
- Adrian Brun
- Department of Periodontology, Faculty of Dental Surgery Montrouge, Université de Paris, Montrouge, France.,Division of Periodontology, Department of Oral Medicine, AP-HP, Henri Mondor Hospital, Créteil, France.,Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France
| | - Alexandre Nuzzo
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Gastroenterology, Faculty of Medicine Xavier Bichat-Beaujon, Université de Paris, Clichy, France.,IBD and Intestinal Failure Unit, Department of Gastroenterology, APHP, Beaujon Hospital, Paris, France
| | - Bastien Prouvost
- Department of Periodontology, Faculty of Odontology Garancière, Université de Paris, Paris, France
| | - Devy Diallo
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France
| | - Sandrella Hamdan
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France
| | - Elena Meseguer
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Céline Guidoux
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Philippa Lavallée
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Pierre Amarenco
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Guy Lesèche
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Vascular Surgery, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Vascular Surgery, APHP, Bichat Hospital, Paris, France
| | - Philippe Bouchard
- Department of Periodontology, Faculty of Odontology Garancière, Université de Paris, Paris, France.,Division of Periodontology, Department of Odontology, APHP, Rothschild Hospital, Paris, France.,Orofacial Pathologies, Imaging and Biotherapies laboratory, UR2496, Université de Paris, Montrouge, France
| | | | - Hélène Rangé
- Department of Periodontology, Faculty of Odontology Garancière, Université de Paris, Paris, France.,Division of Periodontology, Department of Odontology, APHP, Rothschild Hospital, Paris, France.,Orofacial Pathologies, Imaging and Biotherapies laboratory, UR2496, Université de Paris, Montrouge, France
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Neilands J, Kinnby B. Porphyromonas gingivalis initiates coagulation and secretes polyphosphates - A mechanism for sustaining chronic inflammation? Microb Pathog 2020; 162:104648. [PMID: 33242642 DOI: 10.1016/j.micpath.2020.104648] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/05/2020] [Accepted: 11/19/2020] [Indexed: 01/12/2023]
Abstract
BACKGROUND Periodontitis is a chronic inflammation resulting in destruction of tooth-supporting bone. Chronic inflammation is characterized by extravascular fibrin deposition. Fibrin is central to destruction of bone; monocytes bind to fibrin and form osteoclasts, thus providing a link between coagulation and the tissue destructive processes in periodontitis. The oral microbiome is essential to oral health. However, local ecological changes, such as increased biofilm formation, result in a dysbiotic microbiome characterized by an increase of protease-producing species e.g. Porphyromonas gingivalis. Proteases initiate inflammation and may cleave coagulation factors. Polyphosphates (polyP) may also provide bacteria with procoagulant properties similar to platelet-released polyP. P. gingivalis has also been found in remote locations related to vascular pathology and Alzheimer's disease. OBJECTIVES The aim of this study was to investigate procoagulant activity of ten different species of oral bacteria present in oral health and disease as well as presence of polyP and fibrin formation in planktonic and biofilm bacteria. METHODS Oral bacteria were studied for protease production and procoagulant activity. The presence of polyP and formation of fibrin was observed using confocal microscopy. RESULTS P. gingivalis showed strong protease activity and was the only species exerting procoagulant activity. Confocal microscopy showed polyP intracellularly in planktonic bacteria and extracellularly after biofilm formation. Fibrin formation emanated from planktonic bacteria and from both bacteria and polyP in biofilm cultures. CONCLUSIONS The procoagulant activity of P. gingivalis could explain its role in chronic inflammation, locally in oral tissues as well as in remote locations.
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Affiliation(s)
- Jessica Neilands
- Dept of Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Bertil Kinnby
- Dept of Oral Biology and Pathology, Faculty of Odontology, Malmö University, Malmö, Sweden.
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40
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Mei F, Xie M, Huang X, Long Y, Lu X, Wang X, Chen L. Porphyromonas gingivalis and Its Systemic Impact: Current Status. Pathogens 2020; 9:pathogens9110944. [PMID: 33202751 PMCID: PMC7696708 DOI: 10.3390/pathogens9110944] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/24/2020] [Accepted: 11/03/2020] [Indexed: 02/06/2023] Open
Abstract
The relationship between periodontitis and systemic diseases, notably including atherosclerosis and diabetes, has been studied for several years. Porphyromonas gingivalis, a prominent component of oral microorganism communities, is the main pathogen that causes periodontitis. As a result of the extensive analysis of this organism, the evidence of its connection to systemic diseases has become more apparent over the last decade. A significant amount of research has explored the role of Porphyromonas gingivalis in atherosclerosis, Alzheimer's disease, rheumatoid arthritis, diabetes, and adverse pregnancy outcomes, while relatively few studies have examined its contribution to respiratory diseases, nonalcoholic fatty liver disease, and depression. Here, we provide an overview of the current state of knowledge about Porphyromonas gingivalis and its systemic impact in an aim to inform readers of the existing epidemiological evidence and the most recent preclinical studies. Additionally, the possible mechanisms by which Porphyromonas gingivalis is involved in the onset or exacerbation of diseases, together with its effects on systemic health, are covered. Although a few results remain controversial, it is now evident that Porphyromonas gingivalis should be regarded as a modifiable factor for several diseases.
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Affiliation(s)
- Feng Mei
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Mengru Xie
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaofei Huang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Yanlin Long
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaofeng Lu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaoli Wang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Correspondence: (X.W.); (L.C.)
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
- Correspondence: (X.W.); (L.C.)
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Plana E, Oto J, Medina P, Fernández-Pardo Á, Miralles M. Novel contributions of neutrophils in the pathogenesis of abdominal aortic aneurysm, the role of neutrophil extracellular traps: A systematic review. Thromb Res 2020; 194:200-208. [DOI: 10.1016/j.thromres.2020.07.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/17/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022]
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Kim SW, Lee JK. Role of HMGB1 in the Interplay between NETosis and Thrombosis in Ischemic Stroke: A Review. Cells 2020; 9:cells9081794. [PMID: 32731558 PMCID: PMC7464684 DOI: 10.3390/cells9081794] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/24/2020] [Accepted: 07/25/2020] [Indexed: 12/17/2022] Open
Abstract
Neutrophil extracellular traps (NETs) comprise decondensed chromatin, histones and neutrophil granular proteins and are involved in the response to infectious as well as non-infectious diseases. The prothrombotic activity of NETs has been reported in various thrombus-related diseases; this activity can be attributed to the fact that the NETs serve as a scaffold for cells and numerous coagulation factors and stimulate fibrin deposition. A crosstalk between NETs and thrombosis has been indicated to play a role in numerous thrombosis-related conditions including stroke. In cerebral ischemia, neutrophils are the first group of cells to infiltrate the damaged brain tissue, where they produce NETs in the brain parenchyma and within blood vessels, thereby aggravating inflammation. Increasing evidences suggest the connection between NETosis and thrombosis as a possible cause of “tPA resistance”, a problem encountered during the treatment of stroke patients. Several damage-associated molecular pattern molecules have been proven to induce NETosis and thrombosis, with high mobility group box 1 (HMGB1) playing a critical role. This review discusses NETosis and thrombosis and their crosstalk in various thrombosis-related diseases, focusing on the role of HMGB1 as a mediator in stroke. We also addresses the function of peptidylarginine deiminase 4 with respect to the interplay with HMGB1 in NET-induced thrombosis.
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Affiliation(s)
- Seung-Woo Kim
- Department of Biomedical Sciences, Inha University School of Medicine, Inchon 22212, Korea;
- Medical Research Center, Inha University School of Medicine, Inchon 22212, Korea
| | - Ja-Kyeong Lee
- Medical Research Center, Inha University School of Medicine, Inchon 22212, Korea
- Department of Anatomy, Inha University School of Medicine, Inchon 22212, Korea
- Correspondence: ; Tel.: +82-32-860-9893; Fax: +82-32-884-2105
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Yoshioka S, Miyamoto T, Satomi J, Tada Y, Yagi K, Shimada K, Naruishi K, Shikata E, Yamaguchi I, Yamaguchi T, Korai M, Okayama Y, Harada M, Kitazato KT, Kanematsu Y, Nagahiro S, Takagi Y. Disequilibrium of Plasma Protease/Anti-Protease Due to Severe Periodontal Disease Contributes to Human Subarachnoid Hemorrhage. NEUROSURGERY OPEN 2020. [DOI: 10.1093/neuopn/okaa007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
ABSTRACT
BACKGROUND
The pathophysiology of subarachnoid hemorrhages (SAHs) due to ruptured intracranial aneurysms (IAs) remains unclear. Although a relationship between SAHs and periodontal disease (PD) has been suggested, the mechanism requires clarification.
OBJECTIVE
To evaluate the relationship between PD and SAHs and to identify periodontal pathogens associated with SAHs.
METHODS
This prospective study included consecutive patients with ruptured (n = 11) and unruptured (n = 14) IAs and healthy controls (n = 8). The plasma and plaque subgingival bacterial deoxyribonucleic acid (DNA) levels in PD were evaluated by a dentist using the Community Periodontal Index of Treatment Needs (CPITN). Plasma levels of matrix metalloproteinase (MMP-9), tissue inhibitors of matrix metalloproteinase (TIMP2), and procollagen I were analyzed.
RESULTS
Patients with ruptured IAs, had significantly higher CPITN scores than the controls, suggesting that ruptured IAs were associated with severe PD. Although no rupture-specific bacteria were identified, the positive rate of plaque subgingival bacterial DNA was significantly higher in patients with severe PD than in those without severe PD. Multivariate logistic regression analysis indicated that bleeding on probing (BOP) was associated with ruptured IAs (odds ratio, 1.10; 95% confidence interval 1.04–1.20; P = .0001). BOP was positively associated with plasma MMP-9 levels and a disequilibrium in the MMP-9/TIMP2 ratio. BOP was negatively correlated with plasma procollagen I levels (P < .05, for each). This suggested that local inflammation with severe PD might have systemic effects and lead to ruptured IAs.
CONCLUSION
Disequilibrium of plasma protease/anti-protease associated with a high BOP rate in severe PD may be attributable to IA rupture.
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Affiliation(s)
- Shotaro Yoshioka
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Takeshi Miyamoto
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Junichiro Satomi
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yoshiteru Tada
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Kenji Yagi
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Kenji Shimada
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Koji Naruishi
- Department of Periodontology and Endodontology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Eiji Shikata
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Izumi Yamaguchi
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Tadashi Yamaguchi
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Masaaki Korai
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yoshihiro Okayama
- Clinical Trial Center, Tokushima University and Tokushima University Hospital, Tokushima, Japan
| | - Masafumi Harada
- Department of Radiology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Keiko T Kitazato
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yasuhisa Kanematsu
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Shinji Nagahiro
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yasushi Takagi
- Department of Neurosurgery, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
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Salhi L, Sakalihasan N, Okroglic AG, Labropoulos N, Seidel L, Albert A, Teughels W, Defraigne JO, Lambert F. Further evidence on the relationship between abdominal aortic aneurysm and periodontitis: A cross-sectional study. J Periodontol 2020; 91:1453-1464. [PMID: 32329066 DOI: 10.1002/jper.19-0671] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 03/13/2020] [Accepted: 03/15/2020] [Indexed: 11/08/2022]
Abstract
BACKGROUND Periodontitis is a chronic inflammatory disease characterized by Gram-negative bacteria responsible for the degradation of tissues surrounding tooth. Moreover, periopathogens can invade the bloodstream, disseminate and promote cardiovascular disease, such as the link between Porphyromonas gingivalis and atherosclerosis. The aim of this study was to explore the relationship between the severity of periodontitis and of abdominal aortic aneurysm (AAA). METHODS This cross-sectional study compared patients with stable AAA (n = 30) and patients with unstable AAA (n = 31) based on aortic diameter, growth rate, and eligibility for surgical intervention. Periodontal clinical parameters were recorded as well as the Periodontal Inflamed Surface Area and the Periodontal Index for Risk of Infectiousness (PIRI). Microbiological analyses were performed on saliva and supragingival and subgingival plaque. Quantification of Tannerella forsythia (Tf), Porphyromonas gingivalis (Pg), Aggregatibacter actinomycetemcomitans (Aa), Fusobacterium nucleatum (Fn), and Prevotella intermedia (Pi) was done by quantitative polymerase chain reaction. RESULTS The two AAA groups were homogeneous for age, sex, and most risk factors except hypertension and chronic obstructive pulmonary disease. Periodontal parameters were comparable but the proportion of patients with high PIRI scores was greater in those with unstable AAA (51.6% versus 23.3%). The probing depth (PD) and the proportion of PD >6 mm were positively correlated with AAA size and thrombus volume. Several associations were found between periopathogens such as Pg and AAA diameters and volumes, but no difference could be evidenced between stable and unstable AAA groups. CONCLUSIONS Periodontitis was highly prevalent in both stable and unstable AAA patients. Severe and progressive periodontitis (stage IV and grade C) tended to be more frequent in the group of patients with unstable AAA. Moreover, Pg was observed in all the samples (saliva, supragingival, and subgingival plaque) and was correlated with AAA diameters and volumes. The study evidenced potential relationships between periodontitis severity and size of AAA.
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Affiliation(s)
- Leila Salhi
- Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liège, Liège, Belgium
| | - Natzi Sakalihasan
- Department of Cardiovascular and Thoracic Surgery, Faculty of Medicine, University of Liège, Liège, Belgium
| | - Ambre Gau Okroglic
- Department of Medical Imagery, Faculty of Medicine, University of Liège, Liège, Belgium
| | - Nicos Labropoulos
- Department of Surgery, Stony Brook University School of Medicine, Stony Brook, USA
| | - Laurence Seidel
- Department of Biostatistics, University of Liège, Liège, Belgium
| | - Adelin Albert
- Department of Public Health Sciences, University of Liège, Liège, Belgium
| | - Wim Teughels
- Department of Periodontology, Research Group for Microbial Adhesion, Catholic University Leuven, Leuven, Belgium
| | - Jean-Olivier Defraigne
- Department of Cardiovascular and Thoracic Surgery, Faculty of Medicine, University of Liège, Liège, Belgium
| | - France Lambert
- Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liège, Liège, Belgium
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Neurologic Complications of Infective Endocarditis: A Joint Model for a Septic Thromboembolism and Inflammatory Small Vessel Disease. Crit Care Med 2020; 47:e685-e692. [PMID: 31149963 DOI: 10.1097/ccm.0000000000003796] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVES Embolic events from vegetations are commonly accepted as the main mechanism involved in neurologic complications of infective endocarditis. The pathophysiology may imply other phenomena, including vasculitis. We aimed to define the cerebral lesion spectrum in an infective endocarditis rat model. DESIGN Experimental model of Staphylococcus aureus or Enterococcus faecalis infective endocarditis. Neurologic lesions observed in the infective endocarditis model were compared with three other conditions, namely bacteremia, nonbacterial thrombotic endocarditis, and healthy controls. SETTING Research laboratory of a university hospital. SUBJECTS Male Wistar rats. INTERVENTIONS Brain MRI, neuropathology, immunohistochemistry for astrocyte and microglia, and bacterial studies on brain tissue were used to characterize neurologic lesions. MEASUREMENTS AND MAIN RESULTS In the infective endocarditis group, MRI revealed at least one cerebral lesion in 12 of 23 rats (52%), including brain infarctions (n = 9/23, 39%) and cerebral microbleeds (n = 8/23, 35%). In the infective endocarditis group, neuropathology revealed brain infarctions (n = 12/23, 52%), microhemorrhages (n = 10/23, 44%), and inflammatory processes (i.e., cell infiltrates including abscesses, vasculitis, meningoencephalitis, and/or ependymitis; n = 11/23, 48%). In the bacteremia group, MRI studies were normal and neuropathology revealed only hemorrhages (n = 2/11, 18%). Neuropathologic patterns observed in the nonbacterial thrombotic endocarditis group were similar to those observed in the infective endocarditis group. Immunochemistry revealed higher microglial activation in the infective endocarditis group (n = 11/23, 48%), when compared with the bacteremia (n = 1/11, 9%; p = 0.03) and nonbacterial thrombotic endocarditis groups (n = 0/7, 0%; p = 0.02). CONCLUSIONS This original model of infective endocarditis recapitulates the neurologic lesion spectrum observed in humans and suggests synergistic mechanisms involved, including thromboembolism and cerebral vasculitis, promoted by a systemic bacteremia-mediated inflammation.
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Meilhac O, Tanaka S, Couret D. High-Density Lipoproteins Are Bug Scavengers. Biomolecules 2020; 10:biom10040598. [PMID: 32290632 PMCID: PMC7226336 DOI: 10.3390/biom10040598] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/04/2020] [Accepted: 04/06/2020] [Indexed: 12/11/2022] Open
Abstract
Lipoproteins were initially defined according to their composition (lipids and proteins) and classified according to their density (from very low- to high-density lipoproteins—HDLs). Whereas their capacity to transport hydrophobic lipids in a hydrophilic environment (plasma) is not questionable, their primitive function of cholesterol transporter could be challenged. All lipoproteins are reported to bind and potentially neutralize bacterial lipopolysaccharides (LPS); this is particularly true for HDL particles. In addition, HDL levels are drastically decreased under infectious conditions such as sepsis, suggesting a potential role in the clearance of bacterial material and, particularly, LPS. Moreover, "omics" technologies have unveiled significant changes in HDL composition in different inflammatory states, ranging from acute inflammation occurring during septic shock to low-grade inflammation associated with moderate endotoxemia such as periodontal disease or obesity. In this review, we will discuss HDL modifications associated with exposure to pathogens including bacteria, viruses and parasites, with a special focus on sepsis and the potential of HDL therapy in this context. Low-grade inflammation associated with atherosclerosis, periodontitis or metabolic syndrome may also highlight the protective role of HDLs in theses pathologies by other mechanisms than the reverse transport of cholesterol.
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Affiliation(s)
- Olivier Meilhac
- Université de la Réunion, Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), F-97490 Sainte-Clotilde, France; (S.T.); (D.C.)
- CHU de La Réunion, Centre d’Investigations Clinique 1410, 97410 Saint-Pierre, France
- Correspondence: ; Tel.: +33-262-93-88-11
| | - Sébastien Tanaka
- Université de la Réunion, Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), F-97490 Sainte-Clotilde, France; (S.T.); (D.C.)
- AP-HP, Service d’Anesthésie-Réanimation, CHU Bichat-Claude Bernard, 75018 Paris, France
| | - David Couret
- Université de la Réunion, Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), F-97490 Sainte-Clotilde, France; (S.T.); (D.C.)
- CHU de La Réunion, Neurocritical Care Unit, 97410 Saint-Pierre, France
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47
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Brun A, Rangé H, Prouvost B, Mazighi M, Kapila Y, Bouchard P, Michel JB. Innovative application of nested PCR for detection of Porphyromonas gingivalis in human highly calcified atherothrombotic plaques. J Oral Microbiol 2020; 12:1742523. [PMID: 32363006 PMCID: PMC7178846 DOI: 10.1080/20002297.2020.1742523] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 02/21/2020] [Accepted: 02/26/2020] [Indexed: 12/25/2022] Open
Abstract
Atherothrombosis, leading to stroke and myocardial infarction, is responsible for most of the deaths in the world. An increased risk of atherothrombotic vascular events has been reported in patients with periodontitis. Periodontitis is a chronic multifactorial inflammatory disease, which involves a dysbiotic microbiota, and leads to a progressive destruction of the tooth-supporting apparatus. Transcient periodontal pathogen blood translocation, mainly bacteremia, has been associated with the severity of gingival inflammation. The identification of periodontal bacteria within atherothrombotic plaques is challenging and unpredictable. This review aims to summarize existing molecular technics for identifying periodontal microbiota in human atherothrombotic samples. A secondary objective is to describe a protocol for the identification of Porphyromonas gingivalis from highly calcified, atherothrombotic human samples that is based on our experience in translational cardiovascular research. Compared to direct real-time PCR, our protocol based on nested PCR has increased the detection of Porphyromonas gingivalis by 22.2% with good specificity.
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Affiliation(s)
- Adrian Brun
- Laboratory for Vascular Translational Science, Inserm UMR_S1148, Paris, France
- Department of Periodontology, Faculty of Dentistry, Université de Paris, Montrouge, France
- Department of Periodontology, Service of Oral Medicine, AP-HP, Mondor Hospital, Créteil, France
| | - Hélène Rangé
- Laboratory Orofacial Pathologies, Imaging and Biotherapies, Université de Paris, Montrouge, UR2496, France
- Department of Periodontology, Faculty of Odontology, Université de Paris, Paris, France
- Department of Periodontology, Service of Odontology, APHP, Rothschild Hospital, Paris, France
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, USA
| | - Bastien Prouvost
- Department of Periodontology, Service of Odontology, APHP, Rothschild Hospital, Paris, France
| | - Mikael Mazighi
- Laboratory for Vascular Translational Science, Inserm UMR_S1148, Paris, France
- Department of Neurology, APHP, Lariboisiere Hospital, Université de Paris, Paris, France
| | - Yvonne Kapila
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, USA
| | - Philippe Bouchard
- Laboratory Orofacial Pathologies, Imaging and Biotherapies, Université de Paris, Montrouge, UR2496, France
- Department of Periodontology, Faculty of Odontology, Université de Paris, Paris, France
- Department of Periodontology, Service of Odontology, APHP, Rothschild Hospital, Paris, France
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48
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Role of oral pathogens in the pathogenesis of intracranial aneurysm: review of existing evidence and potential mechanisms. Neurosurg Rev 2020; 44:239-247. [PMID: 32034564 PMCID: PMC7850994 DOI: 10.1007/s10143-020-01253-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 01/12/2020] [Accepted: 01/27/2020] [Indexed: 12/13/2022]
Abstract
Degeneration of intracranial aneurysm wall is under active research and recent studies indicate an increased risk of rupture of intracranial aneurysm among patients with periodontal diseases. In addition, oral bacterial DNA has been identified from wall samples of ruptured and unruptured aneurysms. These novel findings led us to evaluate if oral diseases could predispose to pathological changes seen on intracranial aneurysm walls eventually leading to subarachnoid hemorrhage. The aim of this review is to consider mechanisms on the relationship between periodontitis and aneurysm rupture, focusing on recent evidence.
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Lebas H, Yahiaoui K, Martos R, Boulaftali Y. Platelets Are at the Nexus of Vascular Diseases. Front Cardiovasc Med 2019; 6:132. [PMID: 31572732 PMCID: PMC6749018 DOI: 10.3389/fcvm.2019.00132] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 08/23/2019] [Indexed: 12/17/2022] Open
Abstract
Platelets are important actors of cardiovascular diseases (CVD). Current antiplatelet drugs that inhibit platelet aggregation have been shown to be effective in CVD treatment. However, the management of bleeding complications is still an issue in vascular diseases. While platelets can act individually, they interact with vascular cells and leukocytes at sites of vascular injury and inflammation. The main goal remains to better understand platelet mechanisms in thrombo-inflammatory diseases and provide new lines of safe treatments. Beyond their role in hemostasis and thrombosis, recent studies have reported the role of several aspects of platelet functions in CVD progression. In this review, we will provide a comprehensive overview of platelet mechanisms involved in several vascular diseases.
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Affiliation(s)
- Héloïse Lebas
- Laboratory of Vascular Translational Science, U1148 Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Paris Cite, Univ Paris Diderot, Paris, France
| | - Katia Yahiaoui
- Laboratory of Vascular Translational Science, U1148 Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Paris Cite, Univ Paris Diderot, Paris, France
| | - Raphaël Martos
- Laboratory of Vascular Translational Science, U1148 Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Paris Cite, Univ Paris Diderot, Paris, France
| | - Yacine Boulaftali
- Laboratory of Vascular Translational Science, U1148 Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Paris Cite, Univ Paris Diderot, Paris, France
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50
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Abstract
Neutrophils play a central role in innate immune defense. Advances in neutrophil biology have brought to light the capacity of neutrophils to release their decondensed chromatin and form large extracellular DNA networks called neutrophil extracellular traps (NETs). NETs are produced in response to many infectious and noninfectious stimuli and, together with fibrin, block the invasion of pathogens. However, their formation in inflamed blood vessels produces a scaffold that supports thrombosis, generates neo-antigens favoring autoimmunity, and aggravates damage in ischemia/reperfusion injury. NET formation can also be induced by cancer and promotes tumor progression. Formation of NETs within organs can be immediately detrimental, such as in lung alveoli, where they affect respiration, or they can be harmful over longer periods of time. For example, NETs initiate excessive deposition of collagen, resulting in fibrosis, thus likely contributing to heart failure. Here, we summarize the latest knowledge on NET generation and discuss how excessive NET formation mediates propagation of thrombosis and inflammation and, thereby, contributes to various diseases. There are many ways in which NET formation could be averted or NETs neutralized to prevent their detrimental consequences, and we will provide an overview of these possibilities.
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Affiliation(s)
- Nicoletta Sorvillo
- From the Program in Cellular and Molecular Medicine (N.S., D.C., D.D.W.), Boston Children's Hospital, MA
- Department of Pediatrics, Harvard Medical School, Boston, MA (N.S., D.C., D.D.W.)
| | - Deya Cherpokova
- From the Program in Cellular and Molecular Medicine (N.S., D.C., D.D.W.), Boston Children's Hospital, MA
- Department of Pediatrics, Harvard Medical School, Boston, MA (N.S., D.C., D.D.W.)
| | - Kimberly Martinod
- Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Belgium (K.M.)
| | - Denisa D Wagner
- From the Program in Cellular and Molecular Medicine (N.S., D.C., D.D.W.), Boston Children's Hospital, MA
- Division of Hematology/Oncology (D.D.W.), Boston Children's Hospital, MA
- Department of Pediatrics, Harvard Medical School, Boston, MA (N.S., D.C., D.D.W.)
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