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Abstract
Thrombosis is the most feared complication of cardiovascular diseases and a main cause of death worldwide, making it a major health-care challenge. Platelets and the coagulation cascade are effectively targeted by antithrombotic approaches, which carry an inherent risk of bleeding. Moreover, antithrombotics cannot completely prevent thrombotic events, implicating a therapeutic gap due to a third, not yet adequately addressed mechanism, namely inflammation. In this Review, we discuss how the synergy between inflammation and thrombosis drives thrombotic diseases. We focus on the huge potential of anti-inflammatory strategies to target cardiovascular pathologies. Findings in the past decade have uncovered a sophisticated connection between innate immunity, platelet activation and coagulation, termed immunothrombosis. Immunothrombosis is an important host defence mechanism to limit systemic spreading of pathogens through the bloodstream. However, the aberrant activation of immunothrombosis in cardiovascular diseases causes myocardial infarction, stroke and venous thromboembolism. The clinical relevance of aberrant immunothrombosis, referred to as thromboinflammation, is supported by the increased risk of cardiovascular events in patients with inflammatory diseases but also during infections, including in COVID-19. Clinical trials in the past 4 years have confirmed the anti-ischaemic effects of anti-inflammatory strategies, backing the concept of a prothrombotic function of inflammation. Targeting inflammation to prevent thrombosis leaves haemostasis mainly unaffected, circumventing the risk of bleeding associated with current approaches. Considering the growing number of anti-inflammatory therapies, it is crucial to appreciate their potential in covering therapeutic gaps in cardiovascular diseases.
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Zhang X, Zhu M, Jiang XL, Liu X, Liu X, Liu P, Wu XX, Yang ZW, Qin T. P-selectin glycoprotein ligand 1 deficiency prevents development of acute pancreatitis by attenuating leukocyte infiltration. World J Gastroenterol 2020; 26:6361-6377. [PMID: 33244198 PMCID: PMC7656215 DOI: 10.3748/wjg.v26.i41.6361] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 07/13/2020] [Accepted: 09/09/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Acute pancreatitis (AP) is rapid-onset pancreatic inflammation that causes local and systemic inflammatory response syndrome (SIRS) with high morbidity and mortality, but no approved therapies are currently available. P-selectin glycoprotein ligand 1 (PSGL-1) is a transmembrane glycoprotein to initiate inflammatory responses. We hypothesized that PSGL-1 may be involved in the development of AP and would be a new target for the treatment of AP.
AIM To investigate the role and mechanism of PSGL-1 in the development of AP.
METHODS The PSGL-1 expression on leukocytes was detected in peripheral blood of AP patients and volunteers. Pancreatic injury, inflammatory cytokines expression, and inflammatory cell infiltration was measured in AP mouse models induced with PSGL-1 knockout (PSGL-1-/-) and wild-type (PSGL-1+/+) mice. Leukocyte-endothelial cell adhesion was measured in a peripheral blood mononuclear cell (PBMC)-endothelial cell coculture system.
RESULTS The expression of PSGL-1 on monocytes and neutrophils was significantly increased in AP patients. Compared with PSGL-1+/+ mice, PSGL-1-/- AP mice induced by caerulein exhibited lower serum amylase, less Interleukin-1beta (IL-1beta) and Interleukin-6 (IL-6) expression, less neutrophil and macrophage infiltration, and reduced peripheral neutrophil and monocyte accounts. PSGL-1 deficiency alleviated leukocyte-endothelial cell adhesion via IL-6 but not IL-1beta.
CONCLUSION PSGL-1 deficiency effectively inhibits the development of AP by preventing leukocyte-endothelial cell adhesion via IL-6 stimulation and may become a potential therapeutic target for treating AP.
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Affiliation(s)
- Xu Zhang
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450003, Henan Province, China
- Department of Hepato-Biliary-Pancreatic Surgery, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Ming Zhu
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou 510000, Guangdong Province, China
| | - Xiao-Liang Jiang
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical Collage (PUMC), Beijing 100021, China
| | - Xing Liu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical Collage (PUMC), Beijing 100021, China
| | - Xue Liu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical Collage (PUMC), Beijing 100021, China
| | - Pan Liu
- Department of Hepato-Biliary-Pancreatic Surgery, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Xian-Xian Wu
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical Collage (PUMC), Beijing 100021, China
| | - Zhi-Wei Yang
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical Collage (PUMC), Beijing 100021, China
| | - Tao Qin
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450003, Henan Province, China
- Department of Hepato-Biliary-Pancreatic Surgery, Zhengzhou University People’s Hospital & Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
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Laurence J, Mulvey JJ, Seshadri M, Racanelli A, Harp J, Schenck EJ, Zappetti D, Horn EM, Magro CM. Anti-complement C5 therapy with eculizumab in three cases of critical COVID-19. Clin Immunol 2020; 219:108555. [PMID: 32771488 PMCID: PMC7410014 DOI: 10.1016/j.clim.2020.108555] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 07/29/2020] [Accepted: 08/03/2020] [Indexed: 01/01/2023]
Abstract
Respiratory failure and acute kidney injury (AKI) are associated with high mortality in SARS-CoV-2-associated Coronavirus disease 2019 (COVID-19). These manifestations are linked to a hypercoaguable, pro-inflammatory state with persistent, systemic complement activation. Three critical COVID-19 patients recalcitrant to multiple interventions had skin biopsies documenting deposition of the terminal complement component C5b-9, the lectin complement pathway enzyme MASP2, and C4d in microvascular endothelium. Administration of anti-C5 monoclonal antibody eculizumab led to a marked decline in D-dimers and neutrophil counts in all three cases, and normalization of liver functions and creatinine in two. One patient with severe heart failure and AKI had a complete remission. The other two individuals had partial remissions, one with resolution of his AKI but ultimately succumbing to respiratory failure, and another with a significant decline in FiO2 requirements, but persistent renal failure. In conclusion, anti-complement therapy may be beneficial in at least some patients with critical COVID-19.
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Affiliation(s)
- Jeffrey Laurence
- Department of Medicine, Division of Hematology and Medical Oncology, Weill Cornell Medicine, New York, NY, USA.
| | - J Justin Mulvey
- Department of Laboratory Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - Madhav Seshadri
- Department of Medicine, Division of Hematology and Medical Oncology, Weill Cornell Medicine, New York, NY, USA
| | - Alexandra Racanelli
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Joanna Harp
- Department of Dermatology, Weill Cornell Medicine, New York, NY, USA
| | - Edward J Schenck
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Dana Zappetti
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Evelyn M Horn
- Department of Medicine, Division of Cardiology, Weill Cornell Medicine, New York, NY, USA
| | - Cynthia M Magro
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
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Wu M, Ma M, Tan Z, Zheng H, Liu X. Neutrophil: A New Player in Metastatic Cancers. Front Immunol 2020; 11:565165. [PMID: 33101283 PMCID: PMC7546851 DOI: 10.3389/fimmu.2020.565165] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/12/2020] [Indexed: 12/11/2022] Open
Abstract
The interaction between cancer cells and immune cells is important for the cancer development. However, much attention has been given to T cells and macrophages. Being the most abundant leukocytes in the blood, the functions of neutrophils in cancer have been underdetermined. They have long been considered an “audience” in the development of cancer. However, emerging evidence indicate that neutrophils are a heterogeneous population with plasticity, and subpopulation of neutrophils (such as low density neutrophils, polymorphonuclear-myeloid-derived suppressor cells) are actively involved in cancer growth and metastasis. Here, we review the current understanding of the role of neutrophils in cancer development, with a specific focus on their pro-metastatic functions. We also discuss the potential and challenges of neutrophils as therapeutic targets. A better understanding the role of neutrophils in cancer will discover new mechanisms of metastasis and develop new immunotherapies by targeting neutrophils.
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Affiliation(s)
- Mengyue Wu
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Mutian Ma
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Zhenya Tan
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Hong Zheng
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Xia Liu
- Department of Toxicology and Cancer Biology, Markey Cancer Center, College of Medicine, University of Kentucky, Lexington, KY, United States
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55
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Belizaire R, Makar RS. Non-Alloimmune Mechanisms of Thrombocytopenia and Refractoriness to Platelet Transfusion. Transfus Med Rev 2020; 34:242-249. [PMID: 33129606 PMCID: PMC7494440 DOI: 10.1016/j.tmrv.2020.09.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/24/2020] [Accepted: 09/03/2020] [Indexed: 12/11/2022]
Abstract
Refractoriness to platelet transfusion is a common clinical problem encountered by the transfusion medicine specialist. It is well recognized that most causes of refractoriness to platelet transfusion are not a consequence of alloimmunization to human leukocyte, platelet-specific, or ABO antigens, but are a consequence of platelet sequestration and consumption. This review summarizes the clinical factors that result in platelet refractoriness and highlights recent data describing novel biological mechanisms that contribute to this clinical problem.
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Affiliation(s)
- Roger Belizaire
- Associate Director, Adult Transfusion Medicine, Brigham and Women's Hospital, Boston, MA
| | - Robert S Makar
- Director, Blood Transfusion Service, Massachusetts General Hospital, Boston, MA.
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Abstract
PURPOSE OF REVIEW Antiphospholipid syndrome (APS) is a thrombo-inflammatory disease that is primarily treated with anticoagulation. Better understanding the inflammatory aspects of APS could lead to safer, more effective, and more personalized therapeutic options. To this end, we sought to understand recent literature related to the role of neutrophils and, in particular, neutrophil extracellular traps (NETs) in APS. RECENT FINDINGS Expression of genes associated with type I interferons, endothelial adhesion, and pregnancy regulation are increased in APS neutrophils. APS neutrophils have a reduced threshold for NET release, which likely potentiates thrombotic events and perhaps especially large-vein thrombosis. Neutrophil-derived reactive oxygen species also appear to play a role in APS pathogenesis. There are new approaches for preventing and disrupting NETs that could potentially be leveraged to reduce the risk of APS-associated thrombosis. Neutrophils and NETs contribute to APS pathophysiology. More precisely understanding their roles at a mechanistic level should help identify new therapeutic targets for inhibiting NET formation, enhancing NET dissolution, and altering neutrophil adhesion. Such approaches may ultimately lead to better clinical management of APS patients and thereby reduce the chronic burden of this disease.
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Melenotte C, Silvin A, Goubet AG, Lahmar I, Dubuisson A, Zumla A, Raoult D, Merad M, Gachot B, Hénon C, Solary E, Fontenay M, André F, Maeurer M, Ippolito G, Piacentini M, Wang FS, Ginhoux F, Marabelle A, Kroemer G, Derosa L, Zitvogel L. Immune responses during COVID-19 infection. Oncoimmunology 2020; 9:1807836. [PMID: 32939324 PMCID: PMC7480812 DOI: 10.1080/2162402x.2020.1807836] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 02/09/2023] Open
Abstract
Over the past 16 years, three coronaviruses (CoVs), severe acute respiratory syndrome CoV (SARS-CoV) in 2002, Middle East respiratory syndrome CoV (MERS-CoV) in 2012 and 2015, and SARS-CoV-2 in 2020, have been causing severe and fatal human epidemics. The unpredictability of coronavirus disease-19 (COVID-19) poses a major burden on health care and economic systems across the world. This is caused by the paucity of in-depth knowledge of the risk factors for severe COVID-19, insufficient diagnostic tools for the detection of SARS-CoV-2, as well as the absence of specific and effective drug treatments. While protective humoral and cellular immune responses are usually mounted against these betacoronaviruses, immune responses to SARS-CoV2 sometimes derail towards inflammatory tissue damage, leading to rapid admissions to intensive care units. The lack of knowledge on mechanisms that tilt the balance between these two opposite outcomes poses major threats to many ongoing clinical trials dealing with immunostimulatory or immunoregulatory therapeutics. This review will discuss innate and cognate immune responses underlying protective or deleterious immune reactions against these pathogenic coronaviruses.
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Affiliation(s)
- Cléa Melenotte
- Immunology, Gustave Roussy, Villejuif, France
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Infectious Diseases, Aix-Marseille Université, IRD, APHM, MEPHI, Marseille, France
- Infectious Diseases, IHU-Méditerranée Infection, Marseille, France
| | | | - Anne-Gaëlle Goubet
- Immunology, Gustave Roussy, Villejuif, France
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Immunology, Institut National de la Santé Et de la Recherche Médicale (INSERM), U1015 Equipe Labellisée—Ligue Nationale contre le Cancer, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
| | - Imran Lahmar
- Immunology, Gustave Roussy, Villejuif, France
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Immunology, Institut National de la Santé Et de la Recherche Médicale (INSERM), U1015 Equipe Labellisée—Ligue Nationale contre le Cancer, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
| | - Agathe Dubuisson
- Immunology, Gustave Roussy, Villejuif, France
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Immunology, Institut National de la Santé Et de la Recherche Médicale (INSERM), U1015 Equipe Labellisée—Ligue Nationale contre le Cancer, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
| | - Alimuddin Zumla
- Department of Infection, Division of Infection and Immunity, University College London, National Institute for Health Research Biomedical Research Centre, University College London Hospitals NHS Foundation Trust, London, UK
| | - Didier Raoult
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Infectious Diseases, Aix-Marseille Université, IRD, APHM, MEPHI, Marseille, France
| | - Mansouria Merad
- Service de Urgences et de Permanence des Soins, Gustave Roussy Cancer Campus Grand Paris, Villejuif, France
| | | | | | - Eric Solary
- Immunology, Gustave Roussy, Villejuif, France
| | - Michaela Fontenay
- INSERM U1016, Centre National Recherche Scientifique (CNRS) UMR8104, Institut Cochin, Université de Paris, Paris, France
| | | | - Markus Maeurer
- Immunosurgery, Immunotherapy Unit, Champalimaud Centre for the Unknown, Lisbon, Portugal
- Med Clinic, University of Mainz, Mayence, Germany
| | - Giuseppe Ippolito
- Dipartimento di Epidemiologia Ricerca Pre-Clinica e Diagnostica Avanzata, National Institute for Infectious Diseases “Lazzaro Spallanzani” I.R.C.C.S., Rome, Italy
| | - Mauro Piacentini
- Department of Biology, University of Rome “Tor Vergata”, Rome, Italy
- Infectious Diseases Department, National Institute for Infectious Disease IRCCS “Lazzaro Spallanzani”, Rome, Italy
| | - Fu-Sheng Wang
- National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Florent Ginhoux
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore
| | - Aurélien Marabelle
- Infectious Diseases, Aix-Marseille Université, IRD, APHM, MEPHI, Marseille, France
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France
- Pôle de Biologie,Pathologie – PUI – Hygiène, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
- Karolinska Institute, Department of Women’s and Children’s Health, Karolinska University Hospital, Stockholm, Sweden
- Suzhou Institute for Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China
| | - Lisa Derosa
- Immunology, Gustave Roussy, Villejuif, France
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Immunology, Institut National de la Santé Et de la Recherche Médicale (INSERM), U1015 Equipe Labellisée—Ligue Nationale contre le Cancer, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
| | - Laurence Zitvogel
- Immunology, Gustave Roussy, Villejuif, France
- Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Immunology, Institut National de la Santé Et de la Recherche Médicale (INSERM), U1015 Equipe Labellisée—Ligue Nationale contre le Cancer, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
- Suzhou Institute for Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China
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Liu H, Lu Z, Lin B, Zhan JY, Gui S, Chen W, Tang P, Li P, Yang W, Lin B. Inferior vena cava stenosis-induced deep vein thrombosis is influenced by multiple factors in rats. Biomed Pharmacother 2020; 128:110270. [DOI: 10.1016/j.biopha.2020.110270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/27/2020] [Accepted: 05/14/2020] [Indexed: 01/04/2023] Open
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59
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Chen J, Tan W. Platelet activation and immune response in diabetic microangiopathy. Clin Chim Acta 2020; 507:242-247. [DOI: 10.1016/j.cca.2020.04.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 04/29/2020] [Accepted: 04/29/2020] [Indexed: 01/19/2023]
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Ortillon J, Hézard N, Belmokhtar K, Kawecki C, Terryn C, Fritz G, Kauskot A, Schmidt AM, Rieu P, Nguyen P, Maurice P, Touré F. Receptor for Advanced Glycation End Products is Involved in Platelet Hyperactivation and Arterial Thrombosis during Chronic Kidney Disease. Thromb Haemost 2020; 120:1300-1312. [PMID: 32726852 DOI: 10.1055/s-0040-1714101] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Chronic kidney disease (CKD) is associated with a high cardiovascular mortality due to increased rates of vascular lesions and thrombotic events, as well as serum accumulation of uremic toxins. A subgroup of these toxins (advanced glycation end products [AGEs] and S100 proteins) can interact with the receptor for AGEs (RAGE). In this study, we analyzed the impact of CKD on platelet function and arterial thrombosis, and the potential role of RAGE in this process. METHODS Twelve weeks after induction of CKD in mice, platelet function and time to complete carotid artery occlusion were analyzed in four groups of animals (sham-operated, CKD, apolipoprotein E [Apoe]-/-, and Apoe-/-/Ager-/- mice). RESULTS Analysis of platelet function from whole blood and platelet-rich plasma showed hyperactivation of platelets only in CKD Apoe-/- mice. There was no difference when experiments were done on washed platelets. However, preincubation of such platelets with AGEs or S100 proteins induced RAGE-mediated platelet hyperactivation. In vivo, CKD significantly reduced carotid occlusion times of Apoe-/- mice (9.2 ± 1.1 vs. 11.1 ± 0.6 minutes for sham, p < 0.01). In contrast, CKD had no effect on occlusion times in Apoe-/-/Ager-/- mice. Moreover, carotid occlusion in Apoe-/- CKD mice occurred significantly faster than in Apoe-/-/Ager-/- CKD mice (p < 0.0001). CONCLUSION Our results show that CKD induces platelet hyperactivation, accelerates thrombus formation in a murine model of arterial thrombosis, and that RAGE deletion has a protective role. We propose that RAGE ligands binding to RAGE is involved in CKD-induced arterial thrombosis.
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Affiliation(s)
- Jérémy Ortillon
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling," Université de Reims Champagne Ardenne, Reims, France
| | - Nathalie Hézard
- Hémostase et Remodelage Vasculaire Post-Ischémique, Laboratoire d'Hématologie, Faculté de Médecine & CHU Reims, Hôpital Robert Debré, Reims, France
| | - Karim Belmokhtar
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling," Université de Reims Champagne Ardenne, Reims, France
| | - Charlotte Kawecki
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling," Université de Reims Champagne Ardenne, Reims, France
| | - Christine Terryn
- PICT Platform, Université de Reims Champagne Ardenne, Reims, France
| | - Guenter Fritz
- Institute of Neuropathology, Neurozentrum, University of Freiburg, Freiburg, Germany
| | - Alexandre Kauskot
- HITh, UMR_S 1176, INSERM Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Ann Marie Schmidt
- Diabetes Research Program, Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, New York University School of Medicine, New York, New York, United States
| | - Philippe Rieu
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling," Université de Reims Champagne Ardenne, Reims, France.,Division of Nephrology, CHU Reims, Reims, France
| | - Philippe Nguyen
- Hémostase et Remodelage Vasculaire Post-Ischémique, Laboratoire d'Hématologie, Faculté de Médecine & CHU Reims, Hôpital Robert Debré, Reims, France
| | - Pascal Maurice
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling," Université de Reims Champagne Ardenne, Reims, France
| | - Fatouma Touré
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling," Université de Reims Champagne Ardenne, Reims, France.,Division of Nephrology, CHU Limoges, Limoges, France
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Malacco NLSDO, Souza JAM, Martins FRB, Rachid MA, Simplicio JA, Tirapelli CR, Sabino ADP, Queiroz-Junior CM, Goes GR, Vieira LQ, Souza DG, Pinho V, Teixeira MM, Soriani FM. Chronic ethanol consumption compromises neutrophil function in acute pulmonary Aspergillus fumigatus infection. eLife 2020; 9:58855. [PMID: 32701055 PMCID: PMC7398701 DOI: 10.7554/elife.58855] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 07/22/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic ethanol consumption is a leading cause of mortality worldwide, with higher risks to develop pulmonary infections, including Aspergillus infections. Mechanisms underlying increased susceptibility to infections are poorly understood. Chronic ethanol consumption induced increased mortality rates, higher Aspergillus fumigatus burden and reduced neutrophil recruitment into the airways. Intravital microscopy showed decrease in leukocyte adhesion and rolling after ethanol consumption. Moreover, downregulated neutrophil activation and increased levels of serum CXCL1 in ethanol-fed mice induced internalization of CXCR2 receptor in circulating neutrophils. Bone marrow-derived neutrophils from ethanol-fed mice showed lower fungal clearance and defective reactive oxygen species production. Taken together, results showed that ethanol affects activation, recruitment, phagocytosis and killing functions of neutrophils, causing susceptibility to pulmonary A. fumigatus infection. This study establishes a new paradigm in innate immune response in chronic ethanol consumers. Alcoholism is a chronic disease that has many damaging effects on the body. Over long periods, excessive alcohol intake weakens the immune system, putting consumers at increased risk of getting lung infections such as pneumonia. Some forms of pneumonia can be caused by the fungus Aspergillus fumigatus. This microbe does not tend to be a problem for healthy individuals, but it can be fatal for those with impaired immune systems. Here, Malacco et al. wanted to find out why excessive alcohol consumers are more prone to pneumonia. To test this, the researchers used two groups of mice that were either fed plain water or water containing ethanol. After 12 weeks, both groups were infected with Aspergillus fumigatus. The results showed that alcohol-fed mice were more susceptible to the infection caused by strong inflammation of the lungs. Normally, the immune system confronts a lung infection by activating a group of defense cells called neutrophils, which travel through the blood system to the infection site. Once in the right spot, neutrophils get to work by releasing toxins that kill the fungus. Malacco et al. discovered that after chronic alcohol consumption, neutrophils were less reactive to inflammatory signals and less likely to reach the lungs. They were also less effective in dealing with the infection. Neutrophil released fewer toxins and were thus less able to kill the microbial cells. These findings demonstrate for the first time how alcohol can affect immune cells during infection and pave the way for new possibilities to prevent fatal lung infections in excessive alcohol consumers. A next step would be to identify how alcohol acts on other processes in the body and to find a way to modulate or even revert the changes it causes.
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Affiliation(s)
| | | | | | | | | | - Carlos Renato Tirapelli
- Department of Psychiatric Nursing and Human Sciences, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Adriano de Paula Sabino
- Department of Clinical and Toxicological Analysis, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | | | - Leda Quercia Vieira
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Danielle Glória Souza
- Department of Microbiology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Vanessa Pinho
- Department of Morphology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mauro Martins Teixeira
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Capucetti A, Albano F, Bonecchi R. Multiple Roles for Chemokines in Neutrophil Biology. Front Immunol 2020; 11:1259. [PMID: 32733442 PMCID: PMC7363767 DOI: 10.3389/fimmu.2020.01259] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/18/2020] [Indexed: 11/23/2022] Open
Abstract
Chemokines are recognized as the most critical mediators for selective neutrophil recruitment during inflammatory conditions. Furthermore, they are considered fundamental regulators of neutrophil mobilization from the bone marrow (BM) to the bloodstream and for their homing back at the end of their life for apoptosis and clearance. However, chemokines are also important mediators of neutrophil effector functions including oxidative burst, degranulation, neutrophil extracellular trap (NET)osis, and production of inflammatory mediators. Neutrophils have been historically considered as a homogeneous population. In recent years, several maturation stages and subsets with different phenotypic profiles and effector functions were described both in physiological and pathological conditions such as infections, autoimmunity, and cancer. The aim of this review is to give an overview of the current evidence regarding the role of chemokines and chemokine receptors in neutrophil biology, including their possible role in neutrophil maturation, differentiation, and in defining emerging neutrophil subsets.
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Affiliation(s)
- Arianna Capucetti
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Francesca Albano
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Clinical and Research Center - IRCCS, Rozzano, Italy
| | - Raffaella Bonecchi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Clinical and Research Center - IRCCS, Rozzano, Italy
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63
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Li L, Su C, Chen X, Wang Q, Jiao W, Luo H, Tang J, Wang W, Li S, Guo S. Chlorogenic Acids in Cardiovascular Disease: A Review of Dietary Consumption, Pharmacology, and Pharmacokinetics. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:6464-6484. [PMID: 32441927 DOI: 10.1021/acs.jafc.0c01554] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Chlorogenic acids (CGAs) have gained considerable attention as pervasive human dietary constituents with potential cardiovascular-preserving effects. The main sources include coffee, yerba mate, Eucommia ulmodies leaves, and Lonicerae Japonicae Flos. CGA consumption can reduce the risks of hypertension, atherosclerosis, heart failure, myocardial infarction, and other factors associated with cardiovascular risk, such as obesity and type 2 diabetes. This review recapitulates recent advances of CGAs in the cardiovascular-preserving effects, pharmacokinetics, sources, and safety. Emerging evidence indicates that CGAs exhibit circulatory guarding properties through the suppression of oxidative stress, leukocyte infiltration, platelet aggregation, platelet-leukocyte interactions, vascular remodeling, and apoptosis as well as the regulation of glucose and lipid metabolism and vasodilatory action in the cardiovascular system. CGAs exert these effects by acting on complex signaling networks, but the global mechanisms are still not clear. The oral bioavailability of CGA is poor, and there is a potential sensitization concern about CGA. The bioactive metabolites, systematic toxicity, and optimized structure are needed for further identification.
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Affiliation(s)
- Lin Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Congping Su
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Xiangyang Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, People's Republic of China
| | - Qing Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Wenchao Jiao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Hui Luo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Jiayang Tang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Wei Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Sen Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
| | - Shuzhen Guo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, People's Republic of China
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64
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Najem MY, Couturaud F, Lemarié CA. Cytokine and chemokine regulation of venous thromboembolism. J Thromb Haemost 2020; 18:1009-1019. [PMID: 32020753 DOI: 10.1111/jth.14759] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/15/2020] [Accepted: 02/03/2020] [Indexed: 12/27/2022]
Abstract
Morbidity and mortality from venous thromboembolism (VTE), which refers to deep vein thrombosis and pulmonary embolism, have a substantial effect on the global burden of disease. The field of venous thrombosis research has been dramatically changed over the past 10 years with the improvement of animal models that shed some light on the interaction between inflammation and thrombosis. Important recent advances provided evidence of the implication of the innate immune system in venous thrombosis. In this review, we highlighted the cytokines and chemokines that regulate mechanisms of thrombus formation and resolution. Cytokines are pleiotropic, redundant, and multifunctional endogenous mediators orchestrating the inflammatory responses leading to thrombus formation or resolution. The use of experimental models has revealed the pro-thrombotic activity of some cytokines including interferon-γ, interleukin (IL)-6, chemokine ligand 2, IL-17A, IL-9, IL-1β, and transforming growth factor-β. Other cytokines such as IL-10, tumor necrosis factor-α, and IL-8 appear to promote thrombus resolution in late phase of venous thromboembolism. The purpose of this review is to bring together the current knowledge regarding the cytokines and chemokines that have been involved in thrombosis formation and resolution. We postulate that an imbalance between pro-thrombotic and anti-thrombotic cytokines/chemokines may be involved in the pathophysiology of VTE. However, in-depth basic and clinical research in venous thrombosis is still require to fully understand the precise mechanism of action of these cytokines.
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Affiliation(s)
- Maria Y Najem
- EA3878 (GETBO), Brest Hospital, Univ Brest, Brest, France
| | | | - Catherine A Lemarié
- EA3878 (GETBO), Brest Hospital, Univ Brest, Brest, France
- INSERM 1078, Brest, France
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65
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Yousefi S, Simon D, Stojkov D, Karsonova A, Karaulov A, Simon HU. In vivo evidence for extracellular DNA trap formation. Cell Death Dis 2020; 11:300. [PMID: 32355207 PMCID: PMC7193637 DOI: 10.1038/s41419-020-2497-x] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/01/2020] [Accepted: 04/14/2020] [Indexed: 12/14/2022]
Abstract
Extracellular DNA trap formation is a cellular function of neutrophils, eosinophils, and basophils that facilitates the immobilization and killing of invading microorganisms in the extracellular milieu. To form extracellular traps, granulocytes release a scaffold consisting of mitochondrial DNA in association with granule proteins. As we understand more about the molecular mechanism for the formation of extracellular DNA traps, the in vivo function of this phenomenon under pathological conditions remains an enigma. In this article, we critically review the literature to summarize the evidence for extracellular DNA trap formation under in vivo conditions. Extracellular DNA traps have not only been detected in infectious diseases but also in chronic inflammatory diseases, as well as in cancer. While on the one hand, extracellular DNA traps clearly exhibit an important function in host defense, it appears that they can also contribute to the maintenance of inflammation and metastasis, suggesting that they may represent an interesting drug target for such pathological conditions.
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Affiliation(s)
- Shida Yousefi
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Dagmar Simon
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Darko Stojkov
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Antonina Karsonova
- Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia
| | - Alexander Karaulov
- Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland.
- Department of Clinical Immunology and Allergology, Sechenov University, Moscow, Russia.
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66
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Sun LL, Lei FR, Jiang XD, Du XL, Xiao L, Li WD, Li XQ. LncRNA GUSBP5-AS promotes EPC migration and angiogenesis and deep vein thrombosis resolution by regulating FGF2 and MMP2/9 through the miR-223-3p/FOXO1/Akt pathway. Aging (Albany NY) 2020; 12:4506-4526. [PMID: 32156832 PMCID: PMC7093182 DOI: 10.18632/aging.102904] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 02/04/2020] [Indexed: 12/17/2022]
Abstract
Long non-coding RNAs (lncRNAs) play an essential role in multitudinous physiological and pathological processes, including vascular disease. We previously showed that lncRNA GUSBP5-AS (enst00000511042) is upregulated in endothelial progenitor cells (EPCs) of deep veni thrombosis (DVT) patients. Here, we investigate the role and mechanism of GUSBP5-AS in EPCs and DVT. Using the DVT model, we found that GUSBP5-AS significantly reduced the thrombus size and weight and enhanced the homing ability of EPC to DVT sites to promote resolution and recanalization of thrombus. GUSBP5-AS promoted cell cycle progression, proliferation, migration and invasion in EPCs, enhanced EPC angiogenesis in vitro and in vivo, and inhibited apoptosis. Strikingly, this study showed that GUSBP5-AS was unbalanced and modulated Forkhead Box Protein O1 (FOXO1) in EPCs in patients with DVT by interacting with miR-223-3p. Mechanistically, GUSBP5-AS functions as a sponge of miR-223-3p, which targets FOXO1. Both GUSBP5-AS knockdown and miR-223-3p overexpression remarkably inhibited angiogenesis, migration and invasion in EPCs. Additionally, our data suggested that GUSBP-AS activated the Akt pathway and enhanced fibroblast growth factor 2 (FGF2), matrix metalloproteinase-2/9 (MMP2/9) and F-actin expression. Taken together, this study indicates that GUSBP5-AS modulates angiogenesis, proliferation and homing ability of EPCs via regulating FGF2 and MMP2/9 expression through the miR-223-3p/FOXO1/Akt pathway, which may provide a new direction for the development of DVT therapeutics.
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Affiliation(s)
- Li-Li Sun
- Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Feng-Rui Lei
- Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Xu-Dong Jiang
- Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Xiao-Long Du
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Lun Xiao
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Wen-Dong Li
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Xiao-Qiang Li
- Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.,Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
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67
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Li H, Tang C, Zhu X, Zhang W, Abudupataer M, Ding S, Duan C, Yang X, Ge J. Histamine deficiency facilitates coronary microthrombosis after myocardial infarction by increasing neutrophil-platelet interactions. J Cell Mol Med 2020; 24:3504-3520. [PMID: 32064748 PMCID: PMC7131923 DOI: 10.1111/jcmm.15037] [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: 09/24/2019] [Revised: 12/23/2019] [Accepted: 01/15/2020] [Indexed: 12/15/2022] Open
Abstract
Neutrophil‐platelet interactions are responsible for thrombosis as well as inflammatory responses following acute myocardial infarction (AMI). While histamine has been shown to play a crucial role in many physiological and pathological processes, its effects on neutrophil‐platelet interactions in thromboinflammatory complications of AMI remain elusive. In this study, we show a previously unknown mechanism by which neutrophil‐derived histamine protects the infarcted heart from excessive neutrophil‐platelet interactions and redundant arterial thrombosis. Using histamine‐deficient (histidine decarboxylase knockout, HDC−/−) and wild‐type murine AMI models, we demonstrate that histamine deficiency increases the number of microthrombosis after AMI, in accordance with depressed cardiac function. Histamine‐producing myeloid cells, mainly Ly6G+ neutrophils, directly participate in arteriole thrombosis. Histamine deficiency elevates platelet activation and aggregation by enhancing Akt phosphorylation and leads to dysfunctional characteristics in neutrophils which was confirmed by high levels of reactive oxygen species production and CD11b expression. Furthermore, HDC−/− platelets were shown to elicit neutrophil extracellular nucleosomes release, provoke neutrophil‐platelet interactions and promote HDC‐expressing neutrophils recruitment in arteriole thrombosis in vivo. In conclusion, we provide evidence that histamine deficiency promotes coronary microthrombosis and deteriorates cardiac function post‐AMI, which is associated with the enhanced platelets/neutrophils function and neutrophil‐platelet interactions.
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Affiliation(s)
- Hui Li
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chao Tang
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Collaborative Innovation Center for Translational Medicine, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Department of Pharmacology and Chemical Biology, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China
| | - Xiaowei Zhu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Weiwei Zhang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mieradilijiang Abudupataer
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Suling Ding
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Caiwen Duan
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Collaborative Innovation Center for Translational Medicine, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China.,Department of Pharmacology and Chemical Biology, Shanghai JiaoTong University School of medicine (SJTU-SM), Shanghai, China
| | - Xiangdong Yang
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
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68
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The role of CXCR2 in acute inflammatory responses and its antagonists as anti-inflammatory therapeutics. Curr Opin Hematol 2020; 26:28-33. [PMID: 30407218 DOI: 10.1097/moh.0000000000000476] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW CXCR2 is key stimulant of immune cell migration and recruitment, especially of neutrophils. Alleviating excessive neutrophil accumulation and infiltration could prevent prolonged tissue damage in inflammatory disorders. This review focuses on recent advances in our understanding of the role of CXCR2 in regulating neutrophil migration and the use of CXCR2 antagonists for therapeutic benefit in inflammatory disorders. RECENT FINDINGS Recent studies have provided new insights into how CXCR2 signaling regulates hematopoietic cell mobilization and function in both health and disease. We also summarize several CXCR2 regulatory mechanisms during infection and inflammation such as via Wip1, T-bet, P-selectin glycoprotein ligand-1, granulocyte-colony-stimulating factor, and microbiome. Moreover, we provide an update of studies investigating CXCR2 blockade in the laboratory and in clinical trials. SUMMARY Neutrophil homeostasis, migration, and recruitment must be precisely regulated. The CXCR2 signaling pathway is a potential target for modifying neutrophil dynamics in inflammatory disorders. We discuss the recent clinical use of CXCR2 antagonists for controlling inflammation.
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69
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Endothelial signaling by neutrophil-released oncostatin M enhances P-selectin-dependent inflammation and thrombosis. Blood Adv 2020; 3:168-183. [PMID: 30670533 DOI: 10.1182/bloodadvances.2018026294] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 12/13/2018] [Indexed: 12/25/2022] Open
Abstract
In the earliest phase of inflammation, histamine and other agonists rapidly mobilize P-selectin to the apical membranes of endothelial cells, where it initiates rolling adhesion of flowing neutrophils. Clustering of P-selectin in clathrin-coated pits facilitates rolling. Inflammatory cytokines typically signal by regulating gene transcription over a period of hours. We found that neutrophils rolling on P-selectin secreted the cytokine oncostatin M (OSM). The released OSM triggered signals through glycoprotein 130 (gp130)-containing receptors on endothelial cells that, within minutes, further clustered P-selectin and markedly enhanced its adhesive function. Antibodies to OSM or gp130, deletion of the gene encoding OSM in hematopoietic cells, or conditional deletion of the gene encoding gp130 in endothelial cells inhibited neutrophil rolling on P-selectin in trauma-stimulated venules of the mouse cremaster muscle. In a mouse model of P-selectin-dependent deep vein thrombosis, deletion of OSM in hematopoietic cells or of gp130 in endothelial cells markedly inhibited adhesion of neutrophils and monocytes and the rate and extent of thrombus formation. Our results reveal a paracrine-signaling mechanism by which neutrophil-released OSM rapidly influences endothelial cell function during physiological and pathological inflammation.
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70
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Shao B, Yago T, Panicker SR, Zhang N, Liu Z, McEver RP. Th1 Cells Rolling on Selectins Trigger DAP12-Dependent Signals That Activate Integrin αLβ2. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2020; 204:37-48. [PMID: 31757864 PMCID: PMC6920551 DOI: 10.4049/jimmunol.1900680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 11/03/2019] [Indexed: 12/30/2022]
Abstract
During inflammation, both neutrophils and effector T cells use selectins to roll and integrins to arrest in postcapillary venules. In both cell types, chemokines can transduce signals that convert integrin αLβ2 to a high-affinity conformation, which interacts with ICAM-1 to mediate arrest. In neutrophils, selectins also trigger an immunoreceptor-like signaling cascade that converts integrin αLβ2 to an intermediate-affinity conformation, which interacts with ICAM-1 to slow rolling. It is not known whether selectins induce similar signaling events in T cells. Ag engagement causes phosphorylation of ITAMs on the TCR; these motifs recruit kinases and adaptors that lead to the activation of αLβ2. We found that mouse Th1 cells rolling on P- or E-selectin triggered signals that promoted αLβ2-dependent slow rolling on ICAM-1 in vitro and in vivo. The selectin signaling cascade resembled that used by the TCR, except that unexpectedly, Th1 cells employed the ITAM-bearing protein DAP12, which was not known to be expressed in these cells. Importantly, outside-in signaling through ligand-occupied αLβ2 also required DAP12. Cooperative selectin and chemokine signaling in Th1 cells promoted αLβ2-dependent slow rolling and arrest in vitro and in vivo and migration into Ag-challenged tissues in vivo. Our findings reveal an important function for DAP12 in Th1 cells and a new mechanism to recruit effector T cells to sites of inflammation.
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Affiliation(s)
- Bojing Shao
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104; and
| | - Tadayuki Yago
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104; and
| | - Sumith R Panicker
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104; and
| | - Nan Zhang
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104
| | - Zhenghui Liu
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104; and
| | - Rodger P McEver
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104; and
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104
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71
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Sun LL, Xiao L, Du XL, Hong L, Li CL, Jiao J, Li WD, Li XQ. MiR-205 promotes endothelial progenitor cell angiogenesis and deep vein thrombosis recanalization and resolution by targeting PTEN to regulate Akt/autophagy pathway and MMP2 expression. J Cell Mol Med 2019; 23:8493-8504. [PMID: 31633295 PMCID: PMC6850951 DOI: 10.1111/jcmm.14739] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/21/2019] [Accepted: 09/13/2019] [Indexed: 12/27/2022] Open
Abstract
MicroRNAs (MiRNAs, MiRs) represent a class of conserved small non-coding RNAs that affect post-transcriptional gene regulation and play a vital role in angiogenesis, proliferation, apoptosis, migration and invasion. They are essential for a wide range of physiological and pathological processes, especially for vascular diseases. However, data concerning miRNAs in endothelial progenitor cells (EPCs) and deep vein thrombosis (DVT) remain incomplete. We explored miRNAs that modulate angiogenesis in EPCs and thrombolysis, and analysed their underlying mechanisms using a DVT model, dual-luciferase reporter assay, qRT-PCR, Western blot, immunofluorescence staining, flow cytometry analysis, CCK-8 assay, angiogenesis assay, wound healing and Transwell assay. We found that miR-205 enhanced the homing ability of EPCs to DVT sites and promoted thrombosis resolution and recanalization, which significantly reduced venous thrombus. Additionally, we demonstrated that miR-205 overexpression significantly enhanced angiogenesis in vivo and in vitro, migration, invasion, F-actin filaments and proliferation in EPCs, and inhibited cell apoptosis. Conversely, down-regulation of miR-205 played the opposite role in EPCs. Importantly, this study demonstrated that miR-205 directly targeted PTEN to modulate the Akt/autophagy pathway and MMP2 expression, subsequently playing a key role in EPC function and DVT recanalization and resolution. These results elucidated the pro-angiogenesis effects of miR-205 in EPCs and established it as a potential target for DVT treatment.
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Affiliation(s)
- Li-Li Sun
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, China.,Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Lun Xiao
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
| | - Xiao-Long Du
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
| | - Lei Hong
- Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Cheng-Long Li
- Department of Vascular Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jian Jiao
- Department of Vascular Surgery, Fengyang County People's Hospital, Chuzhou, China
| | - Wen-Dong Li
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
| | - Xiao-Qiang Li
- Department of Vascular Surgery, The Affiliated Drum Tower Hospital, Nanjing University Medical School, Nanjing, China
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72
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Moschonas IC, Tselepis AD. The pathway of neutrophil extracellular traps towards atherosclerosis and thrombosis. Atherosclerosis 2019; 288:9-16. [DOI: 10.1016/j.atherosclerosis.2019.06.919] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 06/24/2019] [Accepted: 06/28/2019] [Indexed: 12/13/2022]
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73
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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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74
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Abstract
In this issue of Blood, Yago et al1 describe the mechanism by which neutrophils adhere to activated endothelium and enhance murine venous thrombosis through formation of neutrophil extracellular traps (NETs).
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75
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Neutrophils: back in the thrombosis spotlight. Blood 2019; 133:2186-2197. [PMID: 30898858 DOI: 10.1182/blood-2018-10-862243] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 12/14/2018] [Indexed: 12/11/2022] Open
Abstract
Reactive and clonal neutrophil expansion has been associated with thrombosis, suggesting that neutrophils play a role in this process. However, although there is no doubt that activated monocytes trigger coagulation in a tissue factor-dependent manner, it remains uncertain whether stimulated neutrophils can also directly activate coagulation. After more than a decade of debate, it is now largely accepted that normal human neutrophils do not synthetize tissue factor, the initiator of the extrinsic pathway of coagulation. However, neutrophils may passively acquire tissue factor from monocytes. Recently, the contact system, which initiates coagulation via the intrinsic pathway, has been implicated in the pathogenesis of thrombosis. After the recent description of neutrophil extracellular trap (NET) release by activated neutrophils, some animal models of thrombosis have demonstrated that coagulation may be enhanced by direct NET-dependent activation of the contact system. However, there is currently no consensus on how to assess or quantify NETosis in vivo, and other experimental animal models have failed to demonstrate a role for neutrophils in thrombogenesis. Nevertheless, it is likely that NETs can serve to localize other circulating coagulation components and can also promote vessel occlusion independent of fibrin formation. This article provides a critical appraisal of the possible roles of neutrophils in thrombosis and highlights some existing knowledge gaps regarding the procoagulant activities of neutrophil-derived extracellular chromatin and its molecular components. A better understanding of these mechanisms could guide future approaches to prevent and/or treat thrombosis.
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Becatti M, Emmi G, Bettiol A, Silvestri E, Di Scala G, Taddei N, Prisco D, Fiorillo C. Behçet's syndrome as a tool to dissect the mechanisms of thrombo-inflammation: clinical and pathogenetic aspects. Clin Exp Immunol 2018; 195:322-333. [PMID: 30472725 DOI: 10.1111/cei.13243] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2018] [Indexed: 01/01/2023] Open
Abstract
Behçet's syndrome (BS) is a complex disease with different organ involvement. The vascular one is the most intriguing, considering the existence of a specific group of patients suffering from recurrent vascular events involving the venous and, more rarely, the arterial vessels. Several clinical clues suggest the inflammatory nature of thrombosis in BS, especially of the venous involvement, thus BS is considered a model of inflammation-induced thrombosis. Unique among other inflammatory conditions, venous involvement (together with the arterial one) is currently treated with immunosuppressants, rather than with anti-coagulants. Although many in-vitro studies have suggested the different roles of the multiple players involved in clot formation, in-vivo models are crucial to study this process in a physiological context. At present, no clear mechanisms describing the pathophysiology of thrombo-inflammation in BS exist. Recently, we focused our attention on BS patients as a human in-vivo model of inflammation-induced thrombosis to investigate a new mechanism of clot formation. Indeed, fibrinogen displays a critical role not only in inflammatory processes, but also in clot formation, both in the fibrin network and in platelet aggregation. Reactive oxygen species (ROS)-derived modifications represent the main post-translational fibrinogen alterations responsible for structural and functional changes. Recent data have revealed that neutrophils (pivotal in the pathogenetic mechanisms leading to BS damage) promote fibrinogen oxidation and thrombus formation in BS. Altogether, these new findings may help understand the pathogenetic bases of inflammation-induced thrombosis and, more importantly, may suggest potential targets for innovative therapeutic approaches.
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Affiliation(s)
- M Becatti
- Department of Experimental and Clinical Biomedical Sciences 'Mario Serio', University of Firenze, Italy
| | - G Emmi
- Department of Experimental and Clinical Medicine, University of Firenze, Italy
| | - A Bettiol
- Department of Experimental and Clinical Medicine, University of Firenze, Italy.,Department of Neurosciences, Psychology, Pharmacology and Child Health (NEUROFARBA), University of Firenze, Italy
| | - E Silvestri
- Department of Experimental and Clinical Medicine, University of Firenze, Italy
| | - G Di Scala
- Department of Experimental and Clinical Medicine, University of Firenze, Italy
| | - N Taddei
- Department of Experimental and Clinical Biomedical Sciences 'Mario Serio', University of Firenze, Italy
| | - D Prisco
- Department of Experimental and Clinical Medicine, University of Firenze, Italy
| | - C Fiorillo
- Department of Experimental and Clinical Biomedical Sciences 'Mario Serio', University of Firenze, Italy
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