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Cheng J, Rink L, Wessels I. Zinc Supplementation Reduces the Formation of Neutrophil Extracellular Traps by Decreasing the Expression of Peptidyl Arginine Deiminase 4. Mol Nutr Food Res 2024:e2400013. [PMID: 39138624 DOI: 10.1002/mnfr.202400013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 07/12/2024] [Indexed: 08/15/2024]
Abstract
SCOPE Neutrophils play a decisive role during the immediate defense against infections. However, as observed during rheumatoid arthritis, activated neutrophils can also cause tissue damage. Previous studies indicate that zinc supplementation may alter certain neutrophil functions. However, precise underlying mechanisms and possible effects of zinc deficiency remain incompletely understood. The objective of this study is to investigate the effects of changes in zinc status on formation of neutrophil extracellular traps (NETs) and other fundamental neutrophil functions. METHODS AND RESULTS Interleukin (IL)-17 and tumor necrosis factor (TNF)-α are used to simulate the inflammatory environment observed in autoimmune diseases. The study analyzes the impact of the zinc status on NETs release, using a fluorescence plate reader, and on the expression of peptidylarginine deiminase 4 (PAD4), S100A8/A9, and certain cytokines by PCR and western blot. These results show that zinc supplementation significantly reduces NETs formation and downregulates PAD4 protein expression. Zinc supplementation results in increased protein expression of interleukin-1 receptor antagonist (IL-1RA) and IL-8 in stimulated cells. CONCLUSION The results suggest that changes in extracellular zinc availability may influence the functions of neutrophils. Therefore, maintaining an appropriate zinc level is advisable for preserving innate immunity and to prevent hyper-activation of neutrophils.
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Affiliation(s)
- Jianan Cheng
- Institute of Immunology, Faculty of Medicine, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Lothar Rink
- Institute of Immunology, Faculty of Medicine, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Inga Wessels
- Institute of Immunology, Faculty of Medicine, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
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2
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Ogiji ED, Aboheimed N, Ross K, Voller C, Siner R, Jensen RL, Jolly CE, Carr DF. Greater mechanistic understanding of the cutaneous pathogenesis of Stevens-Johnson syndrome/toxic epidermal necrolysis can shed light on novel therapeutic strategies: a comprehensive review. Curr Opin Allergy Clin Immunol 2024; 24:218-227. [PMID: 38753537 PMCID: PMC11213502 DOI: 10.1097/aci.0000000000000993] [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: 05/18/2024]
Abstract
PURPOSE OF REVIEW Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) are severe cutaneous adverse drug reactions (SCARs) characterized by widespread epithelial detachment and blistering, which affects the skin and mucocutaneous membranes. To date, therapeutic interventions for SJS/TEN have focused on systematic suppression of the inflammatory response using high-dose corticosteroids or intravenous immunoglobulin G (IgG), for example. No targeted therapies for SJS/TEN currently exist. RECENT FINDINGS Though our understanding of the pathogenesis of SJS/TEN has advanced from both an immunological and dermatological perspective, this knowledge is yet to translate into the development of new targeted therapies. SUMMARY Greater mechanistic insight into SJS/TEN would potentially unlock new opportunities for identifying or repurposing targeted therapies to limit or even prevent epidermal injury and blistering.
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Affiliation(s)
- Emeka D. Ogiji
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
- Department of Pharmacology and Therapeutics, Ebonyi State University, Abakaliki, Nigeria
| | - Nourah Aboheimed
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
- Department of Pharmacy Practice, Princess Nourah bint Abdulrahman University, Saudi Arabia
| | - Kehinde Ross
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University
| | - Calum Voller
- School of Medicine, University of Liverpool, Liverpool, UK
| | - Ryan Siner
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
| | - Rebecca L. Jensen
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
| | - Carol E. Jolly
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
| | - Daniel F. Carr
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
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3
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Ma H, Liang X, Li SS, Li W, Li TF. The role of anti-citrullinated protein antibody in pathogenesis of RA. Clin Exp Med 2024; 24:153. [PMID: 38972923 PMCID: PMC11228005 DOI: 10.1007/s10238-024-01359-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 04/21/2024] [Indexed: 07/09/2024]
Abstract
Rheumatoid arthritis (RA) is a common autoimmune rheumatic disease that causes chronic synovitis, bone erosion, and joint destruction. The autoantigens in RA include a wide array of posttranslational modified proteins, such as citrullinated proteins catalyzed by peptidyl arginine deiminase4a. Pathogenic anti-citrullinated protein antibodies (ACPAs) directed against a variety of citrullinated epitopes are abundant both in plasma and synovial fluid of RA patients. ACPAs play an important role in the onset and progression of RA. Intensive and extensive studies are being conducted to unveil the mechanisms of RA pathogenesis and evaluate the efficacy of some investigative drugs. In this review, we focus on the formation and pathogenic function of ACPAs.
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Affiliation(s)
- Hang Ma
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Xu Liang
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Shan-Shan Li
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Wei Li
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Tian-Fang Li
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, 450052, Henan, China.
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4
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Bork F, Greve CL, Youn C, Chen S, N C Leal V, Wang Y, Fischer B, Nasri M, Focken J, Scheurer J, Engels P, Dubbelaar M, Hipp K, Zalat B, Szolek A, Wu MJ, Schittek B, Bugl S, Kufer TA, Löffler MW, Chamaillard M, Skokowa J, Kramer D, Archer NK, Weber ANR. naRNA-LL37 composite DAMPs define sterile NETs as self-propagating drivers of inflammation. EMBO Rep 2024; 25:2914-2949. [PMID: 38783164 PMCID: PMC11239898 DOI: 10.1038/s44319-024-00150-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 05/25/2024] Open
Abstract
Neutrophil extracellular traps (NETs) are a key antimicrobial feature of cellular innate immunity mediated by polymorphonuclear neutrophils (PMNs). NETs counteract microbes but are also linked to inflammation in atherosclerosis, arthritis, or psoriasis by unknown mechanisms. Here, we report that NET-associated RNA (naRNA) stimulates further NET formation in naive PMNs via a unique TLR8-NLRP3 inflammasome-dependent pathway. Keratinocytes respond to naRNA with expression of psoriasis-related genes (e.g., IL17, IL36) via atypical NOD2-RIPK signaling. In vivo, naRNA drives temporary skin inflammation, which is drastically ameliorated by genetic ablation of RNA sensing. Unexpectedly, the naRNA-LL37 'composite damage-associated molecular pattern (DAMP)' is pre-stored in resting neutrophil granules, defining sterile NETs as inflammatory webs that amplify neutrophil activation. However, the activity of the naRNA-LL37 DAMP is transient and hence supposedly self-limiting under physiological conditions. Collectively, upon dysregulated NET release like in psoriasis, naRNA sensing may represent both a potential cause of disease and a new intervention target.
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Affiliation(s)
- Francesca Bork
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Carsten L Greve
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Christine Youn
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Sirui Chen
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Vinicius N C Leal
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Science, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Yu Wang
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Berenice Fischer
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Masoud Nasri
- Division of Translational Oncology, Department of Oncology, Hematology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Otfried-Müller Str. 10, 72076, Tübingen, Germany
| | - Jule Focken
- Department of Dermatology, University Hospital Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Germany
| | - Jasmin Scheurer
- Department of Dermatology, University Hospital Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Germany
| | - Pujan Engels
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Marissa Dubbelaar
- Institute of Immunology, Department of Peptide-based Immunotherapy, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
- Quantitative Biology Center (QBiC), University of Tübingen, Auf der Morgenstelle 10, 72076, Tübingen, Germany
| | - Katharina Hipp
- Electron Microscopy Facility, Max Planck Institute for Biology Tübingen, Max-Planck-Ring 5, 72076, Tübingen, Germany
| | - Baher Zalat
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Andras Szolek
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Meng-Jen Wu
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Birgit Schittek
- Department of Dermatology, University Hospital Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Germany
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- CMFI - Cluster of Excellence (EXC 2124) "Controlling microbes to fight infection", University of Tübingen, Tübingen, Germany
| | - Stefanie Bugl
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
| | - Thomas A Kufer
- Institute of Nutritional Medicine, Department of Immunology, University of Hohenheim, Fruwirthstr. 12, 70593, Stuttgart, Germany
| | - Markus W Löffler
- Institute of Immunology, Department of Peptide-based Immunotherapy, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Institute for Clinical and Experimental Transfusion Medicine, Medical Faculty, University of Tübingen, Otfried-Müller-Str. 4/1, 72076, Tübingen, Germany
| | - Mathias Chamaillard
- University of Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Centre d'Infection et d'Immunité de Lille, F-59000, Lille, France
| | - Julia Skokowa
- Division of Translational Oncology, Department of Oncology, Hematology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Otfried-Müller Str. 10, 72076, Tübingen, Germany
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Daniela Kramer
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Nathan K Archer
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
| | - Alexander N R Weber
- Institute of Immunology, Department of Innate Immunity, University of Tübingen, Auf der Morgenstelle 15, 72076, Tübingen, Germany.
- iFIT - Cluster of Excellence (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany.
- CMFI - Cluster of Excellence (EXC 2124) "Controlling microbes to fight infection", University of Tübingen, Tübingen, Germany.
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Wahnou H, Ndayambaje M, Ouadghiri Z, Benayad S, Elattar H, Chgari O, Naya A, Zaid Y, Oudghiri M. Artemisia herba-alba: antioxidant capacity and efficacy in preventing chronic arthritis in vivo. Inflammopharmacology 2024; 32:1855-1870. [PMID: 38607503 DOI: 10.1007/s10787-024-01463-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 03/14/2024] [Indexed: 04/13/2024]
Abstract
Arthritis is a debilitating condition impacting the quality of life for millions worldwide, characterized by pain and inflammation. Understanding the mechanisms of arthritis and developing effective treatments are crucial. This study investigated the hydroethanolic extract of Artemisia herba-alba for its protective potential against arthritis hallmarks, oxidative stress, and lipid peroxidation in vitro. It also assessed its in vivo anti-arthritic activity. The phytochemical analysis identified various compounds within the extract, with high concentrations of polyphenols and flavonoids. These compounds are associated with numerous health benefits, making A. herba-alba a potential source of valuable phytochemicals. A. herba-alba demonstrated a notable effect in body weight loss, paw edema, and arthritic severity. Histopathological examination revealed structural improvements in bone and muscle tissues, emphasizing its therapeutic potential in managing chronic arthritis. Furthermore, while these findings are promising, further studies are necessary to delve deeper into the mechanisms underlying the observed hematological changes and to gain a more comprehensive understanding of the in vivo results. This research sets the stage for continued exploration, ultimately aiming to unlock the full potential of A. herba-alba in addressing chronic arthritis and enhancing the lives of those affected by this condition.
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Affiliation(s)
- Hicham Wahnou
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
| | - Martin Ndayambaje
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
| | - Zaynab Ouadghiri
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
| | - Salma Benayad
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
| | | | - Oumaima Chgari
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
| | - Abdallah Naya
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
| | - Younes Zaid
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco
- Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco
| | - Mounia Oudghiri
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, Maarif, B.P2693, Casablanca, Morocco.
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6
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Frade-Sosa B, Ponce A, Ruiz-Ortiz E, De Moner N, Gómara MJ, Azuaga AB, Sarmiento-Monroy JC, Morlà R, Ruiz-Esquide V, Macías L, Sapena N, Tobalina L, Ramirez J, Cañete JD, Yague J, Auge JM, Gomez-Puerta JA, Viñas O, Haro I, Sanmarti R. Neutrophilic Activity Biomarkers (Plasma Neutrophil Extracellular Traps and Calprotectin) in Established Patients with Rheumatoid Arthritis Receiving Biological or JAK Inhibitors: A Clinical and Ultrasonographic Study. Rheumatol Ther 2024; 11:501-521. [PMID: 38430455 PMCID: PMC11111434 DOI: 10.1007/s40744-024-00650-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 02/06/2024] [Indexed: 03/03/2024] Open
Abstract
INTRODUCTION This study assesses the accuracy of neutrophil activation markers, including neutrophil extracellular traps (NETs) and calprotectin, as biomarkers of disease activity in patients with established rheumatoid arthritis (RA). We also analyse the relationship between NETs and various types of therapies as well as their association with autoimmunity. METHODS Observational cross-sectional study of patients with RA receiving treatment with biological disease-modifying antirheumatic drugs or Janus kinase inhibitors (JAK-inhibitors) for at least 3 months. Plasma calprotectin levels were measured using an enzyme-linked immunosorbent assay test kit and NETs by measuring their remnants in plasma (neutrophil elastase-DNA and histone-DNA complexes). We also assessed clinical disease activity, joint ultrasound findings and autoantibody status [reumatoid factor (RF), anti-citrullinated peptide/protein antibodies (ACPAs) and anti-carbamylated protein (anti-CarP)]. Associations between neutrophilic biomarkers and clinical or ultrasound scores were sought using correlation analysis. The discriminatory capacity of both neutrophilic biomarkers to detect ultrasound synovitis was analysed through receiver-operating characteristic (ROC) curves. RESULTS One hundred fourteen patients were included. Two control groups were included to compare NET levels. The active control group consisted of 15 patients. The second control group consisted of 30 healthy subjects. Plasma NET levels did not correlate with clinical disease status, regardless of the clinic index analysed or the biological therapy administered. No significant correlation was observed between NET remnants and ultrasound synovitis. There was no correlation between plasma NET and autoantibodies. In contrast, plasma calprotectin positively correlated with clinical parameters (swollen joint count [SJC] rho = 0.49; P < 0.001, Clinical Disease Activity Index [CDAI] rho = 0.30; P < 0.001) and ultrasound parameters (rho > 0.50; P < 0.001). Notably, this correlation was stronger than that observed with acute phase reactants. CONCLUSION While NET formation induced by neutrophils may play a role in RA pathogenesis, our study raises questions about the utility of NET remnants in peripheral circulation as a biomarker for inflammatory activity. In contrast, this study strongly supports the usefulness of calprotectin as a biomarker of inflammatory activity in patients with RA.
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Affiliation(s)
- Beatriz Frade-Sosa
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Andrés Ponce
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Estíbaliz Ruiz-Ortiz
- Department of Immunology-CDB, Hospital Clinic of Barcelona, Barcelona, Barcelona, Spain
| | - Noemí De Moner
- Department of Immunology-CDB, Hospital Clinic of Barcelona, Barcelona, Barcelona, Spain
| | - María J Gómara
- Unit of Synthesis and Biomedical Applications of Peptides, Institute for Advanced Chemistry of Catalonia. Consejo Superior de Investigaciones Científicas (IQAC-CSIC), Barcelona, Spain
| | - Ana Belén Azuaga
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Juan C Sarmiento-Monroy
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Rosa Morlà
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Virginia Ruiz-Esquide
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Laura Macías
- Biochemistry and Molecular Genetics Department, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Nuria Sapena
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Lola Tobalina
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Julio Ramirez
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Juan D Cañete
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Jordi Yague
- Department of Immunology-CDB, Hospital Clinic of Barcelona, Barcelona, Barcelona, Spain
| | - Josep M Auge
- Biochemistry and Molecular Genetics Department, Hospital Clinic of Barcelona, Barcelona, Spain
| | - José A Gomez-Puerta
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain
| | - Odette Viñas
- Department of Immunology-CDB, Hospital Clinic of Barcelona, Barcelona, Barcelona, Spain
| | - Isabel Haro
- Unit of Synthesis and Biomedical Applications of Peptides, Institute for Advanced Chemistry of Catalonia. Consejo Superior de Investigaciones Científicas (IQAC-CSIC), Barcelona, Spain
| | - Raimon Sanmarti
- Department of Rheumatology, Hospital Clinic of Barcelona, Barcelona, IDIBAPS, Carrer Villarroel 170, 08170, Barcelona, Spain.
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Lin CMA, Isaacs JD, Cooles FAH. Role of IFN-α in Rheumatoid Arthritis. Curr Rheumatol Rep 2024; 26:37-52. [PMID: 38051494 PMCID: PMC10787895 DOI: 10.1007/s11926-023-01125-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2023] [Indexed: 12/07/2023]
Abstract
PURPOSE OF REVIEW Type 1 interferons (IFN-I) are of increasing interest across a wide range of autoimmune rheumatic diseases. Historically, research into their role in rheumatoid arthritis (RA) has been relatively neglected, but recent work continues to highlight a potential contribution to RA pathophysiology. RECENT FINDINGS We emphasise the importance of disease stage when examining IFN-I in RA and provide an overview on how IFN-I may have a direct role on a variety of relevant cellular functions. We explore how clinical trajectory may be influenced by increased IFN-I signalling, and also, the limitations of scores composed of interferon response genes. Relevant environmental triggers and inheritable RA genetic risk relating to IFN-I signalling are explored with emphasis on intriguing data potentially linking IFN-I exposure, epigenetic changes, and disease relevant processes. Whilst these data cumulatively illustrate a likely role for IFN-I in RA, they also highlight the knowledge gaps, particularly in populations at risk for RA, and suggest directions for future research to both better understand IFN-I biology and inform targeted therapeutic strategies.
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Affiliation(s)
- Chung M A Lin
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - John D Isaacs
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Faye A H Cooles
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
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8
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Wang N, Ma J, Song W, Zhao C. An injectable hydrogel to disrupt neutrophil extracellular traps for treating rheumatoid arthritis. Drug Deliv 2023; 30:2173332. [PMID: 36724178 PMCID: PMC9897762 DOI: 10.1080/10717544.2023.2173332] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Rheumatoid arthritis (RA), an autoimmune disease, is characterized by inflammatory cell infiltration that damages cartilage, disrupts bone, and impairs joint function. The therapeutic efficacy of RA treatments with the severely affected side remains unsatisfactory despite current treatment methods that primarily focus on anti-inflammatory activity, largely because of the complicatedly pathological mechanisms. A recently identified mechanism for RA development involves the interaction of RA autoantibodies with various proinflammatory cytokines to facilitate the formation of neutrophil extracellular traps (NETs), which increased inflammatory responses to express inflammatory cytokines and chemokines. Therefore, NETs architecture digestion may inhibit the positive-feedback inflammatory signal pathway and lessen joint damage in RA. In this work, deoxyribonuclease I (DNase) is connected to oxidized hyaluronic acid (OHA) via Schiff base reaction to extend the half-life of DNase. The modification does not influence the DNase activity for plasmid deoxyribonucleic acid hydrolysis and NETs' architecture disruption. Carboxymethyl chitosan is crosslinked with DNase-functionalised OHA (DHA) to form an injectable, degradable, and biocompatible hydrogel (DHY) to further strengthen the adhesive capability of DHA. Importantly, the collagen-induced arthritis model demonstrates that intra-articular injection of DHY can significantly reduce inflammatory cytokine expression and alleviate RA symptoms, which can be significantly improved by combining methotrexate. Here, a DNase-functionalised hydrogel has been developed for RA treatment by constantly degrading the novel drug target of NETs to decrease inflammatory response in RA.
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Affiliation(s)
- Nan Wang
- Department of Hand and Foot Surgery, The First Hospital of Jilin University, Changchun, China
| | - Jie Ma
- Department of Clinical pharmacy, The First Hospital of Jilin University, Changchun, China
| | - Wenxia Song
- Department of Pathology, The First Hospital of Jilin University, Changchun, China
| | - Chengwu Zhao
- Department of Sports Medicine, The First Hospital of Jilin University, Changchun, China,CONTACT Chengwu Zhao Department of Sports Medicine, The First Hospital of Jilin University, Changchun, China
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Kumar R, Patil G, Dayal S. NLRP3-Induced NETosis: A Potential Therapeutic Target for Ischemic Thrombotic Diseases? Cells 2023; 12:2709. [PMID: 38067137 PMCID: PMC10706381 DOI: 10.3390/cells12232709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/22/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
Ischemic thrombotic disease, characterized by the formation of obstructive blood clots within arteries or veins, is a condition associated with life-threatening events, such as stroke, myocardial infarction, deep vein thrombosis, and pulmonary embolism. The conventional therapeutic strategy relies on treatments with anticoagulants that unfortunately pose an inherent risk of bleeding complications. These anticoagulants primarily target clotting factors, often overlooking upstream events, including the release of neutrophil extracellular traps (NETs). Neutrophils are integral components of the innate immune system, traditionally known for their role in combating pathogens through NET formation. Emerging evidence has now revealed that NETs contribute to a prothrombotic milieu by promoting platelet activation, increasing thrombin generation, and providing a scaffold for clot formation. Additionally, NET components enhance clot stability and resistance to fibrinolysis. Clinical and preclinical studies have underscored the mechanistic involvement of NETs in the pathogenesis of thrombotic complications, since the clots obtained from patients and experimental models consistently exhibit the presence of NETs. Given these insights, the inhibition of NETs or NET formation is emerging as a promising therapeutic approach for ischemic thrombotic diseases. Recent investigations also implicate a role for the nucleotide-binding oligomerization domain (NOD)-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome as a mediator of NETosis and thrombosis, suggesting that NLRP3 inhibition may also hold potential for mitigating thrombotic events. Therefore, future preclinical and clinical studies aimed at identifying and validating NLRP3 inhibition as a novel therapeutic intervention for thrombotic disorders are imperative.
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Affiliation(s)
- Rahul Kumar
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA; (R.K.); (G.P.)
- Department of Biotechnology, GITAM School of Sciences, GITAM (Deemed to be) University, Visakhapatnam 530045, India
| | - Gokul Patil
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA; (R.K.); (G.P.)
| | - Sanjana Dayal
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA; (R.K.); (G.P.)
- Holden Comprehensive Cancer Center, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
- Iowa City VA Healthcare System, Iowa City, IA 52246, USA
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10
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Pastorek M, Konečná B, Janko J, Janovičová Ľ, Podracká Ľ, Záhumenský J, Šteňová E, Dúbrava M, Hodosy J, Vlková B, Celec P. Mitochondria-induced formation of neutrophil extracellular traps is enhanced in the elderly via Toll-like receptor 9. J Leukoc Biol 2023; 114:651-665. [PMID: 37648664 DOI: 10.1093/jleuko/qiad101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 09/01/2023] Open
Abstract
Neutrophil extracellular traps are potent antimicrobial weapons; however, their formation during sterile inflammation is detrimental, and the mechanism of induction is still unclear. Since advanced age is the primary clinical risk factor for poor outcomes in inflammatory diseases, we hypothesized that sterile stimuli, represented by mitochondria, would induce neutrophil extracellular trap formation in an age-dependent manner. Therefore, we analyzed induction of neutrophil extracellular traps in patients grouped according to age or immune status and observed that neutrophils from elderly patients responded to the presence of mitochondria with enhanced neutrophil extracellular trap formation. These neutrophil extracellular traps were also found to be more oxidized and exhibited higher resistance to DNase I degradation. Additionally, a higher concentration of residual neutrophil extracellular traps was detected in the plasma of the elderly. This plasma was capable of priming neutrophils through TLR9-mediated signaling, leading to further neutrophil extracellular trap formation, which was successfully inhibited with chloroquine. Finally, in a mouse model of mitochondria-induced acute lung injury, we observed that neutrophils from aged mice displayed impaired chemotactic activity but exhibited a trend of higher neutrophil extracellular trap formation. Thus, we propose that residual neutrophil extracellular traps circulating in the elderly preactivate neutrophils, making them more prone to enhanced neutrophil extracellular trap formation when exposed to mitochondria during sterile inflammation. Further investigation is needed to determine whether this vicious circle could be a suitable therapeutic target.
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Affiliation(s)
- Michal Pastorek
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Barbora Konečná
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Jakub Janko
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Ľubica Janovičová
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Ľudmila Podracká
- Department of Pediatrics, Faculty of Medicine, Comenius University and National Institute of Children's Diseases, Limbová 1, 831 01 Bratislava, Slovakia
| | - Jozef Záhumenský
- 2nd Department of Gynecology and Obstetrics, Faculty of Medicine, University Hospital, Comenius University, Ružinovská 6, 821 06 Bratislava, Slovakia
| | - Emöke Šteňová
- 1st Department of Internal Medicine, Faculty of Medicine, University Hospital, Comenius University, Mickiewiczova 13, 813 69 Bratislava, Slovakia
| | - Martin Dúbrava
- 1st Department of Geriatrics, Faculty of Medicine, Comenius University, Limbová 5, 833 05 Bratislava, Slovakia
| | - Július Hodosy
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
- Department of Emergency Medicine Ružinov, Faculty of Medicine, University Hospital, Comenius University, Ružinovská 6, 821 06 Bratislava, Slovakia
| | - Barbora Vlková
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Peter Celec
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
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11
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Wang B, Fields L, Li L. Recent advances in characterization of citrullination and its implication in human disease research: From method development to network integration. Proteomics 2023; 23:e2200286. [PMID: 36546832 PMCID: PMC10285031 DOI: 10.1002/pmic.202200286] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
Post-translational modifications (PTM) of proteins increase the functional diversity of the proteome and have been implicated in the pathogenesis of numerous diseases. The most widely understood modifications include phosphorylation, methylation, acetylation, O-linked/N-linked glycosylation, and ubiquitination, all of which have been extensively studied and documented. Citrullination is a historically less explored, yet increasingly studied, protein PTM which has profound effects on protein conformation and protein-protein interactions. Dysregulation of protein citrullination has been associated with disease development and progression. Identification and characterization of citrullinated proteins is highly challenging, complicated by the low cellular abundance of citrullinated proteins, making it difficult to identify and quantify the extent of citrullination in samples, coupled with challenges associated with development of mass spectrometry (MS)-based methods, as the corresponding mass shift is relatively small, +0.984 Da, and identical to the mass shift of deamidation. The focus of this review is to discuss recent advancements of citrullination-specific MS approaches and integration of the potential methodology for improved citrullination identification and characterization. In addition, the association of citrullination in disease networks is also highlighted.
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Affiliation(s)
- Bin Wang
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI, 53705, United States
| | - Lauren Fields
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, United States
| | - Lingjun Li
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI, 53705, United States
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, United States
- Lachman Institute for Pharmaceutical Development, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, United States
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12
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Bassani B, Cucchiara M, Butera A, Kayali O, Chiesa A, Palano MT, Olmeo F, Gallazzi M, Dellavia CPB, Mortara L, Parisi L, Bruno A. Neutrophils' Contribution to Periodontitis and Periodontitis-Associated Cardiovascular Diseases. Int J Mol Sci 2023; 24:15370. [PMID: 37895050 PMCID: PMC10607037 DOI: 10.3390/ijms242015370] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Neutrophils represent the primary defense against microbial threats playing a pivotal role in maintaining tissue homeostasis. This review examines the multifaceted involvement of neutrophils in periodontitis, a chronic inflammatory condition affecting the supporting structures of teeth summarizing the contribution of neutrophil dysfunction in periodontitis and periodontal-related comorbidities. Periodontitis, a pathological condition promoted by dysbiosis of the oral microbiota, is characterized by the chronic inflammation of the gingiva and subsequent tissue destruction. Neutrophils are among the first immune cells recruited to the site of infection, releasing antimicrobial peptides, enzymes, and reactive oxygen species to eliminate pathogens. The persistent inflammatory state in periodontitis can lead to aberrant neutrophil activation and a sustained release of proinflammatory mediators, finally resulting in tissue damage, bone resorption, and disease progression. Growing evidence now points to the correlation between periodontitis and systemic comorbidities. Indeed, the release of inflammatory mediators, immune complexes, and oxidative stress by neutrophils, bridge the gap between local and systemic immunity, thus highlighting neutrophils as key players in linking periodontal inflammation to chronic conditions, including cardiovascular diseases, diabetes mellitus, and rheumatoid arthritis. This review underscores the crucial role of neutrophils in the pathogenesis of periodontitis and the complex link between neutrophil dysfunction, local inflammation, and systemic comorbidities. A comprehensive understanding of neutrophil contribution to periodontitis development and their impact on periodontal comorbidities holds significant implications for the management of oral health. Furthermore, it highlights the need for the development of novel approaches aimed at limiting the persistent recruitment and activation of neutrophils, also reducing the impact of periodontal inflammation on broader health contexts, offering promising avenues for improved disease management and patient care.
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Affiliation(s)
- Barbara Bassani
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
| | - Martina Cucchiara
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
- Immunology and General Pathology Laboratory, Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy;
| | - Andrea Butera
- Unit of Dental Hygiene, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.B.); (A.C.)
| | - Omar Kayali
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
| | - Alessandro Chiesa
- Unit of Dental Hygiene, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.B.); (A.C.)
| | - Maria Teresa Palano
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
| | - Francesca Olmeo
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
| | - Matteo Gallazzi
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
| | | | - Lorenzo Mortara
- Immunology and General Pathology Laboratory, Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy;
| | - Luca Parisi
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy;
| | - Antonino Bruno
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, 20138 Milan, Italy; (B.B.); (M.C.); (O.K.); (M.T.P.); (F.O.); (M.G.)
- Immunology and General Pathology Laboratory, Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy;
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13
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Heger LA, Schommer N, Fukui S, Van Bruggen S, Sheehy CE, Chu L, Rajagopal S, Sivanandhan D, Ewenstein B, Wagner DD. Inhibition of protein arginine deiminase 4 prevents inflammation-mediated heart failure in arthritis. Life Sci Alliance 2023; 6:e202302055. [PMID: 37500179 PMCID: PMC10374941 DOI: 10.26508/lsa.202302055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023] Open
Abstract
Rheumatoid arthritis is a prototypic inflammatory condition with affected patients being at greater risk of incident heart failure (HF). Targeting innate immune cell function in the pathogenesis of HF bears the potential to guide the development of future therapies. A collagen-induced arthritis (CIA) model in DBA/1 J mice was used to generate arthritis. Mice with CIA developed concentric hypertrophic myocardial remodeling, left ventricular (LV) diastolic dysfunction, and HF with elevated plasma B-type natriuretic peptide levels but preserved LV ejection fraction. Key features of HF in CIA were increased infiltration of activated neutrophils, deposition of neutrophil extracellular traps in the myocardium, and increased tissue levels of the proinflammatory cytokine IL-1β. Specific inhibition of protein arginine deiminase 4 (PAD4) by an orally available inhibitor (JBI-589), administered after the onset of clinical arthritis, prevented HF with reduced neutrophil infiltration. We identify PAD4-mediated neutrophil activation and recruitment as the key thromboinflammatory pathway driving HF development in arthritis. Targeting PAD4 may be a viable therapeutic approach for the prevention of HF secondary to chronic inflammation.
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Affiliation(s)
- Lukas A Heger
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
- Departement of Cardiology and Angiology, University Hospital Freiburg Bad Krozingen, Freiburg, Germany
| | - Nicolas Schommer
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
- Departement of Cardiology and Angiology, University Hospital Freiburg Bad Krozingen, Freiburg, Germany
| | - Shoichi Fukui
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Stijn Van Bruggen
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
- Center of Molecular and Vascular Biology, Department of Cardiovascular Science, KU Leuven, Leuven, Belgium
| | - Casey E Sheehy
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
| | - Long Chu
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
| | | | | | - Bruce Ewenstein
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Denisa D Wagner
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, USA
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14
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Yang K, Zeng L, Long Z, He Q, Xiang W, Ge A, Zhen H, Xiao W, Ge J. Efficacy and safety of total glucosides of paeony in the treatment of 5 types of inflammatory arthritis: A systematic review and meta-analysis. Pharmacol Res 2023; 195:106842. [PMID: 37402434 DOI: 10.1016/j.phrs.2023.106842] [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: 01/12/2023] [Revised: 06/10/2023] [Accepted: 06/27/2023] [Indexed: 07/06/2023]
Abstract
OBJECTIVE To evaluate efficacy and safety of total glucosides of paeony in the treatment of 5 types of inflammatory arthritis METHODS: Databases such as Pubmed, Cochran Library, Embase were searched to collect RCTs about TGP in the treatment of inflammatory arthritis. Then, the RCTs were assessed for risk of bias and RCT data were extracted. Finally, RevMan 5.4 was used for the meta-analysis. RESULTS A total of 63 RCTs were finally included, involving 5293 participants and 5 types of types of inflammatory arthritis: rheumatoid arthritis (RA), ankylosing spondylitis (AS), osteoarthritis (OA), juvenile idiopathic arthritis (JIA), psoriatic arthritis. For AS, TGP may improve AS disease activity score (ASDAS), decrease erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), tumor necrosis factor (TNF)- α and interleukin (IL)- 6; for RA, TGP may improve disease activity of 28 joints (DAS28), decrease ESR, CRP, rheumatoid factor (RF), TNF-α and IL-6; for psoriatic arthritis, TGP may improve psoriasis area and severity index (PASI) and decrease ESR; for OA, TGP may improve visual analogue scale (VAS) and decrease nitric oxide (NO); for JIA, TGP may increase total efficiency rate, decrease ESR, CRP and TNF-α. For safety, RCTs showed that the addition of TGP did not increase adverse events, and may even reduce adverse events. CONCLUSION TGP may improve symptoms and inflammation levels in patients with inflammatory arthritis. However, due to the low quality and small number of RCTs, large-sample, multi-center clinical trials are still needed for revision or validation.
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Affiliation(s)
- Kailin Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, China.
| | - Liuting Zeng
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Graduate School of Peking Union Medical College, Nanjing, China.
| | - Zhiyong Long
- Department of Rehabilitation Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Qi He
- People's Hospital of Ningxiang City, Ningxiang, China
| | - Wang Xiang
- Department of Rheumatology, The First People's Hospital Changde City, Changde, Hunan, China
| | - Anqi Ge
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Huang Zhen
- Department of Rehabilitation Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Wei Xiao
- Department of Rheumatology, The First People's Hospital Changde City, Changde, Hunan, China
| | - Jinwen Ge
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, China; Hunan Academy of Chinese Medicine, Changsha, Hunan, China..
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15
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Zlatar L, Mahajan A, Muñoz-Becerra M, Weidner D, Bila G, Bilyy R, Titze J, Hoffmann MH, Schett G, Herrmann M, Steffen U, Muñoz LE, Knopf J. Suppression of neutrophils by sodium exacerbates oxidative stress and arthritis. Front Immunol 2023; 14:1174537. [PMID: 37600805 PMCID: PMC10433750 DOI: 10.3389/fimmu.2023.1174537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Typical Western diet, rich in salt, contributes to autoimmune disease development. However, conflicting reports exist about the effect of salt on neutrophil effector functions, also in the context of arthritis. Methods We investigated the effect of sodium chloride (NaCl) on neutrophil viability and functions in vitro, and in vivo employing the murine K/BxN-serum transfer arthritis (STA) model. Results and discussion The effects of NaCl and external reactive oxygen species (H2O2) were further examined on osteoclasts in vitro. Hypertonic sodium-rich media caused primary/secondary cell necrosis, altered the nuclear morphology, inhibited phagocytosis, degranulation, myeloperoxidase (MPO) peroxidation activity and neutrophil extracellular trap (NET) formation, while increasing total ROS production, mitochondrial ROS production, and neutrophil elastase (NE) activity. High salt diet (HSD) aggravated arthritis by increasing inflammation, bone erosion, and osteoclast differentiation, accompanied by increased NE expression and activity. Osteoclast differentiation was decreased with 25 mM NaCl or 100 nM H2O2 addition to isotonic media. In contrast to NaCl, external H2O2 had pro-resorptive effects in vitro. We postulate that in arthritis under HSD, increased bone erosion can be attributed to an enhanced oxidative milieu maintained by infiltrating neutrophils, rather than a direct effect of NaCl.
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Affiliation(s)
- Leticija Zlatar
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Aparna Mahajan
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Marco Muñoz-Becerra
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Daniela Weidner
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Galyna Bila
- Department of Histology, Cytology, Embryology, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Rostyslav Bilyy
- Department of Histology, Cytology, Embryology, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Jens Titze
- Division of Nephrology and Hypertension, Universitätsklinikum Erlangen, Erlangen, Germany
- Programme in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Singapore, Singapore
| | - Markus H. Hoffmann
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - Georg Schett
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Martin Herrmann
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ulrike Steffen
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Luis E. Muñoz
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Jasmin Knopf
- Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Pediatric Surgery, University Medical Center Mannheim, University of Heidelberg, Mannheim, Germany
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16
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Batsalova T, Dzhambazov B. Significance of Type II Collagen Posttranslational Modifications: From Autoantigenesis to Improved Diagnosis and Treatment of Rheumatoid Arthritis. Int J Mol Sci 2023; 24:9884. [PMID: 37373030 DOI: 10.3390/ijms24129884] [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: 05/19/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Collagen type II (COL2), the main structural protein of hyaline cartilage, is considerably affected by autoimmune responses associated with the pathogenesis of rheumatoid arthritis (RA). Posttranslational modifications (PTMs) play a significant role in the formation of the COL2 molecule and supramolecular fibril organization, and thus, support COL2 function, which is crucial for normal cartilage structure and physiology. Conversely, the specific PTMs of the protein (carbamylation, glycosylation, citrullination, oxidative modifications and others) have been implicated in RA autoimmunity. The discovery of the anti-citrullinated protein response in RA, which includes anti-citrullinated COL2 reactivity, has led to the development of improved diagnostic assays and classification criteria for the disease. The induction of immunological tolerance using modified COL2 peptides has been highlighted as a potentially effective strategy for RA therapy. Therefore, the aim of this review is to summarize the recent knowledge on COL2 posttranslational modifications with relevance to RA pathophysiology, diagnosis and treatment. The significance of COL2 PTMs as a source of neo-antigens that activate immunity leading to or sustaining RA autoimmunity is discussed.
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Affiliation(s)
- Tsvetelina Batsalova
- Faculty of Biology, Paisii Hilendarski University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
| | - Balik Dzhambazov
- Faculty of Biology, Paisii Hilendarski University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
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17
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Tu Y, Mao Z. Identification and Validation of Molecular Subtype and Prognostic Signature for Bladder Cancer Based on Neutrophil Extracellular Traps. Cancer Invest 2023; 41:354-368. [PMID: 36762827 DOI: 10.1080/07357907.2023.2179063] [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: 02/11/2023]
Abstract
Neutrophil extracellular traps (NETs) could promote tumor growth and distant metastases. Molecular subtypes of bladder cancer were identified with consensus cluster analysis. A NETs-related prognostic signature was constructed with LASSO cox regression analysis. As a result, we identified three subtypes of bladder cancer, which had a distinct difference in prognosis, immune microenvironment, TIDE score, mRNAsi score and IC50 score. We also developed a prognostic signature based on 5 NETs-related genes, which had a good performance in clinical outcome prediction of bladder cancer. These results may provide more data about the vital role of NETs in bladder cancer.
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Affiliation(s)
- Yaofen Tu
- Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China
| | - Zujie Mao
- Department of Urology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China
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18
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Zinellu A, Mangoni AA. Neutrophil-to-lymphocyte and platelet-to-lymphocyte ratio and disease activity in rheumatoid arthritis: A systematic review and meta-analysis. Eur J Clin Invest 2023; 53:e13877. [PMID: 36121342 DOI: 10.1111/eci.13877] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/09/2022] [Accepted: 09/16/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND Inflammatory indexes derived from routine haematological parameters, particularly the neutrophil-to-lymphocyte ratio (NLR) and the platelet-to-lymphocyte ratio (PLR), have been shown to discriminate between patients with and without rheumatoid arthritis (RA). However, their capacity to discriminate between RA patients with and without active disease has not been systematically appraised. METHODS We searched PubMed, Web of Science, Scopus and Google Scholar, from inception to June 2022, for studies comparing NLR and/or PLR values between RA patients with and without active disease. Risk of bias and certainty of evidence were assessed using the Joanna Briggs Institute Critical Appraisal Checklist and GRADE, respectively. RESULTS In 18 studies (2122 RA patients with active disease, mean age 50 years, 20% males; 1071 RA patients with nonactive disease, mean age 50 years, 25% males), active disease was associated with significantly higher NLR (standard mean difference, SMD = 0.37, 95% CI 0.19 to 0.55, p < .001; low certainty of evidence) and PLR values (SMD = 0.48, 95% CI 0.32 to 0.64, p < .001; low certainty of evidence). In sensitivity analysis, the SMD values were not substantially influenced by sequentially removing individual studies. There was no publication bias. In meta-regression, the effect size was not associated with other study and patient characteristics, including sex, Disease Activity Score-28, C-reactive protein and erythrocyte sedimentation rate. CONCLUSIONS NLR and PLR can significantly discriminate between RA patients with and without active disease. Further studies are required to determine their diagnostic performance, singly or in combination with other parameters, in routine practice.
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Affiliation(s)
- Angelo Zinellu
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Arduino A Mangoni
- Discipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University, Adelaide, Australia.,Department of Clinical Pharmacology, Flinders Medical Centre, Southern Adelaide Local Health Network, Adelaide, Australia
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19
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Raj R, Thomas S, Gorantla V. Accelerated atherosclerosis in rheumatoid arthritis: a systematic review. F1000Res 2023; 11:466. [PMID: 36249997 PMCID: PMC9551388 DOI: 10.12688/f1000research.112921.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/10/2023] [Indexed: 01/18/2023] Open
Abstract
Background: Rheumatoid arthritis (RA) is a highly prevalent, chronic inflammatory condition of the synovial joints that affects approximately 1% of the global population. The pathogenesis of RA is predominantly inflammatory in nature, thereby accelerating the co-occurrence of other immunoinflammatory conditions such as atherosclerosis. Apart from traditional cardiovascular risk factors, RA patients possess a multitude of other factors that predispose them to early atherosclerotic disease. The aim of this systematic review is to assess the prevalence of premature atherosclerosis in RA patients and elucidate the role that proinflammatory cytokines, RA-related autoantibodies, and endothelial dysfunction play in the pathophysiology of RA-mediated atherosclerosis. We also discussed novel biomarkers that can be used to predict early atherosclerosis in RA and current guidelines used to treat RA. Methods: This review followed the PRISMA guidelines to select and analyze relevant articles. A literature search for articles was performed on February 25, 2022, through three research databases including PubMed, ProQuest, and ScienceDirect. The query used to identify relevant publications was "Rheumatoid arthritis and atherosclerosis" and the search duration was set from 2012-2022. Relevant articles were selected based on the inclusion and exclusion criteria. Results: Our initial search generated 21,235 articles. We narrowed our search according to the inclusion and exclusion criteria. After assessing eligibility based on the full content of the articles, 73 articles were ultimately chosen for this review. Conclusion: There is an increased prevalence of accelerated atherosclerosis among RA patients. We found evidence to explain the role of proinflammatory cytokines, RA-related autoantibodies, and endothelial dysfunction in the pathophysiology RA-mediated atherosclerosis. Therapies targeting either the inflammatory load or traditional CV risk-factors seem to improve vascular outcomes in RA patients. Novel markers of atherosclerosis in RA may be useful in predicting premature atherosclerosis and serve as new targets for therapeutic intervention.
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Affiliation(s)
- Rhea Raj
- St. George's University School of medicine, True Blue, St. George's, Grenada
| | - Sneha Thomas
- University of Maryland Medical Center MTC, Midtown, Baltimore, USA,
| | - Vasavi Gorantla
- St. George's University School of medicine, True Blue, St. George's, Grenada
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20
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Manukyan G, Gallo J, Mikulkova Z, Trajerova M, Savara J, Slobodova Z, Fidler E, Shrestha B, Kriegova E. Phenotypic and functional characterisation of synovial fluid-derived neutrophils in knee osteoarthritis and knee infection. Osteoarthritis Cartilage 2023; 31:72-82. [PMID: 36216277 DOI: 10.1016/j.joca.2022.09.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 08/25/2022] [Accepted: 09/24/2022] [Indexed: 11/16/2022]
Abstract
OBJECTIVE An increase in the number of neutrophils (NEUs) has long been associated with infections in the knee joints; however, their impact on knee osteoarthritis (KOA) pathophysiology remains largely unexplored. DESIGN This study compared the phenotypic and functional characteristics of synovial fluid (SF)-derived NEUs in KOA and knee infection (INF). RESULTS KOA NEUs were characterised by a lower expression of CD11b, CD54, and CD64 and higher expression of CD62L, TLR2, and TLR4 compared with INF NEUs. Except for CCL2, lower levels of inflammatory mediators and proteases were detected in KOA SF than in INF SF. Functionally, KOA NEUs displayed increased reactive oxygen species production and phagocytic activity compared with INF NEUs. Moreover, KOA and INF NEUs differed in cell sizes, histological characteristics of the surrounding synovial tissues, and their effects on the endothelial cells assessed by human umbilical vein endothelial cells. When KOA patients were subdivided based on the SF NEU abundance, patients with high NEUs (10%-60%) were characterised by i) elevated SF protein levels of TNF-α, IL-1RA, MMP-9, sTREM-1, VILIP-1 and ii) lower CD54, CD64, TLR2 and TLR4 expression compared to patients with low NEUs (<10%). Analysis of paired SF samples suggests that low or high NEU percentages, respectively, persist throughout the course of disease. CONCLUSIONS Our findings suggest that NEU may play a significant role in KOA pathophysiology. Further studies should explore the mechanisms that contribute to the increased number of NEUs in SF and the clinical consequences of neutrophilic phenotype in KOA.
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Affiliation(s)
- G Manukyan
- Department of Immunology, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic; Laboratory of Molecular and Cellular Immunology, Institute of Molecular Biology NAS RA, Yerevan, Armenia.
| | - J Gallo
- Department of Orthopedics, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
| | - Z Mikulkova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
| | - M Trajerova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
| | - J Savara
- Department of Immunology, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic; Department of Computer Science, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Ostrava, Czech Republic.
| | - Z Slobodova
- Department of Clinical and Molecular Pathology, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
| | - E Fidler
- Department of Orthopedics, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
| | - B Shrestha
- Department of Immunology, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
| | - E Kriegova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacký University Olomouc and University Hospital Olomouc, Olomouc, Czech Republic.
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21
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Wang W, Su J, Yan M, Pan J, Zhang X. Neutrophil extracellular traps in autoimmune diseases: Analysis of the knowledge map. Front Immunol 2023; 14:1095421. [PMID: 36776836 PMCID: PMC9911519 DOI: 10.3389/fimmu.2023.1095421] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 01/16/2023] [Indexed: 01/28/2023] Open
Abstract
Introduction Recent studies have shown much progress in the research of exosomes in AIDs. However, there is no bibliometric analysis in this research field. This study aimed to provide a bibliometrics review of the knowledge structure and research hotspots of neutrophil extracellular traps (NETs) in autoimmune diseases (AIDs). Methods Articles relevant to NETs in AIDs from 2010 to 2022 were retrieved through the Web of Science Core Collection (WoSCC) database. This bibliometric analysis was performed by VOSview, CiteSpace, and Scimago Graphica. Results A total of 289 papers analyzed in this research were from 493 organizations in 47 countries by 1537 authors. They were published in 133 journals and cited 20,180 citations from 2,465 journals. The number of annual publications in this field is growing steadily and rapidly, with the United States, China and Germany leading the research effort. Frontiers in Immunology and Journal of Immunology have significantly impacted research in this field. Kaplan, Mariana J, from the National Institutes of Health (The United States), has the most published articles, and Brinkmann, v, from Max Planck Institute for Infection Biology (Germany), is the most co-cited author. Systemic lupus erythematosus and rheumatoid arthritis are the leading topics in this field. The trend of clinical application in the future is the development of new therapies by controlling NETs in the progression of AIDs. Conclusions Our study summarized the research trends and developments of NETs in AIDs in recent years and would provide a reference for scholars in this field.
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Affiliation(s)
- Wei Wang
- Department of Laboratory Medicine, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Jing Su
- Department of Internal Medicine, Shanxi Children's Hospital, Shanxi Maternal and Child Health Hospital, Taiyuan, China
| | - Meiqin Yan
- Department of Internal Medicine, Shanxi Children's Hospital, Shanxi Maternal and Child Health Hospital, Taiyuan, China
| | - Jie Pan
- Department of Pathology, Stanford University School of Medicine, Palo Alto, CA, United States
| | - Xianhui Zhang
- Department of Internal Medicine, Shanxi Children's Hospital, Shanxi Maternal and Child Health Hospital, Taiyuan, China
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22
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Wu J, Zhang F, Zheng X, Zhang J, Cao P, Sun Z, Wang W. Identification of renal ischemia reperfusion injury subtypes and predictive strategies for delayed graft function and graft survival based on neutrophil extracellular trap-related genes. Front Immunol 2022; 13:1047367. [PMID: 36532016 PMCID: PMC9752097 DOI: 10.3389/fimmu.2022.1047367] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 11/18/2022] [Indexed: 12/04/2022] Open
Abstract
Background Ischemia reperfusion injury (IRI) is an inevitable process in renal transplantation, which is closely related to serious postoperative complications such as delayed graft function (DGF), acute rejection and graft failure. Neutrophil extracellular traps (NETs) are extracellular DNA structures decorated with various protein substances released by neutrophils under strong signal stimulation. Recently, NETs have been found to play an important role in the process of IRI. This study aimed to comprehensively analyze the expression landscape of NET-related genes (NRGs) during IRI, identify clusters with different degrees of IRI and construct robust DGF and long-term graft survival predictive strategies. Methods The microarray and RNA-seq datasets were obtained from the GEO database. Differentially expressed NRGs (DE-NRGs) were identified by the differential expression analysis, and the NMF algorithm was used to conduct a cluster analysis of IRI samples. Machine learning algorithms were performed to screen DGF-related hub NRGs, and DGF and long-term graft survival predictive strategies were constructed based on these hub NRGs. Finally, we verified the expression of Cxcl1 and its effect on IRI and NETs generation in the mouse IRI model. Results This study revealed two IRI clusters (C1 and C2 clusters) with different molecular features and clinical characteristics. Cluster C1 was characterized by active metabolism, mild inflammation and lower incidence of DGF, while Cluster C2 was inflammation activated subtype with a higher incidence of DGF. Besides, based on DGF-related hub NRGs, we successfully constructed robust DGF and long-term graft survival predictive strategies. The mouse renal IRI model verified that Cxcl1 was significantly upregulated in renal tissues after IRI, and using a CXCL8/CXCL1 inhibitor could significantly improve renal function, alleviate renal tubular necrosis, tissue inflammatory response, and NET formation. Conclusion This study identified two distinct IRI clusters based on DE-NRGs and constructed robust prediction methods for DGF and graft survival, which can provide references for early prevention and individualized treatment of various postoperative complications after renal transplantation.
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Affiliation(s)
- Jiyue Wu
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China
| | - Feilong Zhang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China
| | - Xiang Zheng
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China
| | - Jiandong Zhang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China
| | - Peng Cao
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China
| | - Zejia Sun
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China,*Correspondence: Zejia Sun, ; Wei Wang,
| | - Wei Wang
- Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China,Institute of Urology, Capital Medical University, Beijing, China,*Correspondence: Zejia Sun, ; Wei Wang,
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23
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Eating the Enemy: Mycoplasma Strategies to Evade Neutrophil Extracellular Traps (NETs) Promoting Bacterial Nucleotides Uptake and Inflammatory Damage. Int J Mol Sci 2022; 23:ijms232315030. [PMID: 36499356 PMCID: PMC9740415 DOI: 10.3390/ijms232315030] [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: 11/08/2022] [Revised: 11/22/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
Neutrophils are effector cells involved in the innate immune response against infection; they kill infectious agents in the intracellular compartment (phagocytosis) or in the extracellular milieu (degranulation). Moreover, neutrophils release neutrophil extracellular traps (NETs), complex structures composed of a scaffold of decondensed DNA associated with histones and antimicrobial compounds; NETs entrap infectious agents, preventing their spread and promoting their clearance. NET formation is triggered by microbial compounds, but many microorganisms have evolved several strategies for NET evasion. In addition, the dysregulated production of NETs is associated with chronic inflammatory diseases. Mycoplasmas are reduced genome bacteria, able to induce chronic infections with recurrent inflammatory symptoms. Mycoplasmas' parasitic lifestyle relies on metabolite uptake from the host. Mycoplasmas induce NET release, but their surface or secreted nucleases digest the NETs' DNA scaffold, allowing them to escape from entrapment and providing essential nucleotide precursors, thus promoting the infection. The presence of Mycoplasma species has been associated with chronic inflammatory disorders, such as systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, Crohn's disease, and cancer. The persistence of mycoplasma infection and prolonged NET release may contribute to the onset of chronic inflammatory diseases and needs further investigation and insights.
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24
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London D, Elhasid R, Baron S. Determination of reference intervals for neutrophil granular enzymes is affected by cell isolation techniques. J Immunol Methods 2022; 510:113346. [PMID: 36049559 DOI: 10.1016/j.jim.2022.113346] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/28/2022] [Accepted: 08/26/2022] [Indexed: 12/31/2022]
Abstract
OBJECTIVES Neutrophils and their granular enzymes such as neutrophil elastase (NE) and myeloperoxidase (MPO) play important roles in inflammatory diseases, and might be utilized as biomarkers for disease severity and progression. The aim of this study was to determine reference intervals for NE and MPO activity in healthy volunteers comparing two methods of neutrophil isolation. METHODS Neutrophils were isolated using ficoll density gradient centrifugation or immunomagnetic negative selection in two separate volunteers' cohorts. Subsequently, cells were lysed and incubated with chromogens for NE and MPO activity measurements, then measured with a microplate reader at 415 or 450 nm respectively. RESULTS The enzymatic activity of NE and MPO depended on the neutrophil isolation technique. Both enzymatic activities were significantly higher (P < 0.001) after isolating neutrophils with ficoll density gradient centrifugation than using the immunomagnetic negative selection. CONCLUSIONS We demonstrated that neutrophil isolation is an important factor that influences the outcome of enzymatic activity measurements. Techniques based on immunomagnetic negative selection are favorable, specifically for investigations related to NE and MPO activity. When using NE and MPO activity measurements in clinical practice, care must be taken to interpret the data depending on the applied cell isolation technique.
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Affiliation(s)
- Devora London
- Pediatric Hemato-Oncology Research Laboratory, Tel Aviv Medical Center, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ronit Elhasid
- Pediatric Hemato-Oncology Research Laboratory, Tel Aviv Medical Center, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Department of Pediatric Hemato-Oncology, Tel Aviv Medical Center, Tel Aviv, Israel
| | - Szilvia Baron
- Pediatric Hemato-Oncology Research Laboratory, Tel Aviv Medical Center, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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25
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Byun DJ, Kim YM, Hyun YM. Real-time observation of neutrophil extracellular trap formation in the inflamed mouse brain via two-photon intravital imaging. Lab Anim Res 2022; 38:16. [PMID: 35698178 PMCID: PMC9190083 DOI: 10.1186/s42826-022-00126-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 06/02/2022] [Indexed: 12/02/2022] Open
Abstract
Intravital imaging via two-photon microscopy (TPM) is a useful tool for observing and delineating biological events at the cellular and molecular levels in live animals in a time-lapse manner. This imaging method provides spatiotemporal information with minimal phototoxicity while penetrating a considerable depth of intact organs in live animals. Although various organs can be visualized using intravital imaging, in the field of neuroscience, the brain is the main organ whose cell-to-cell interactions are imaged using this technique. Intravital imaging of brain disease in mouse models acts as an abundant source of novel findings for studying cerebral etiology. Neutrophil infiltration is a well-known hallmark of inflammation; in particular, the crucial impact of neutrophils on the inflamed brain has frequently been reported in literature. Neutrophil extracellular traps (NETs) have drawn attention as an intriguing feature over the last couple of decades, opening a new era of research on their underlying mechanisms and biological effects. However, the actual role of NETs in the body is still controversial and is in parallel with a poor understanding of NETs in vivo. Although several experimental methods have been used to determine NET generation in vitro, some research groups have applied intravital imaging to detect NET formation in the inflamed organs of live mice. In this review, we summarize the advantages of intravital imaging via TPM that can also be used to characterize NET formation, especially in inflamed brains triggered by systemic inflammation. To study the function and migratory pattern of neutrophils, which is critical in triggering the innate immune response in the brain, intravital imaging via TPM can provide new perspectives to understand inflammation and the resolution process.
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Affiliation(s)
- Da Jeong Byun
- Department of Anatomy, Yonsei University College of Medicine, Seoul, Republic of Korea.,BK21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young Min Kim
- Department of Anatomy, Yonsei University College of Medicine, Seoul, Republic of Korea.,Department of Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young-Min Hyun
- Department of Anatomy, Yonsei University College of Medicine, Seoul, Republic of Korea. .,BK21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea.
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26
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Hu B, Li D, Zeng Z, Zhang Z, Cao R, Dong X, Yun C, Li L, Krämer B, Morgera S, Hocher B, Tang D, Yin L, Dai Y. Integrated proteome and malonylome analyses reveal the neutrophil extracellular trap formation pathway in rheumatoid arthritis. J Proteomics 2022; 262:104597. [PMID: 35489682 DOI: 10.1016/j.jprot.2022.104597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 04/11/2022] [Accepted: 04/11/2022] [Indexed: 12/09/2022]
Abstract
Rheumatoid arthritis (RA) is an autoimmune inflammatory disease of unknown etiology in which the posttranslational modifications (PTMs) of proteins play an important role. PTMs, such as those involved in the formation of neutrophil extracellular traps (NETs), have been well studied. The excessive formation and release of NETs can mediate inflammation and joint destruction in RA. It has been gradually recognized that lysine malonylation (Kmal) can regulate some biological processes in some prokaryotes and eukaryotes. However, less is known about the role of Kmal in RA. We therefore performed proteome and malonylome analyses to explore the proteomic characteristics of the peripheral blood mononuclear cells from 36 RA patients and 82 healthy subjects. In total, 938 differentially expressed proteins (DEPs) and 42 differentially malonylated proteins (DMPs) with 55 Kmal sites were detected through a liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based analysis. Functional analysis showed that two DEPs with four malonylated sites and one DMP with a malonylated site were identified in the neutrophil extracellular trap formation (NETosis) pathway. Altogether, this study not only describes the characteristics of the malonylome in RA for the first time, but it also reveals that malonylation may be involved in the NETosis pathway. SIGNIFICANCE: This is the first report that reveals the proteomic features of Kmal in RA through a LC-MS/MS-based method. In this study, we found that several key DMPs were associated with the NETosis pathway, which contributes to the development of RA. The present results provide an informative dataset for the future exploration of Kmal in RA.
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Affiliation(s)
- Biying Hu
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510632, China
| | - Dandan Li
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510632, China; Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen, Guangdong 518020, China
| | - Zhipeng Zeng
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen, Guangdong 518020, China
| | - Zeyu Zhang
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510632, China
| | - Rui Cao
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510632, China
| | - XiangNan Dong
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510632, China
| | - Chen Yun
- Guangzhou Enttxs Medical Products Co., Ltd. P.R. Guangzhou, Guangdong, 510663, China; Charité-Universitätsmedizin Berlin, Campus Mitte, Berlin, Germany
| | - Ling Li
- Hospital of South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Bernhard Krämer
- Department of Medicine Nephrologh, Medical Faculty Mannheim Heideiberg University, 68167 Mannheim, Germany
| | | | - Berthold Hocher
- Department of Medicine Nephrologh, Medical Faculty Mannheim Heideiberg University, 68167 Mannheim, Germany; Charité-Universitätsmedizin Berlin, Campus Mitte, Berlin, Germany
| | - Donge Tang
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen, Guangdong 518020, China.
| | - Lianghong Yin
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510632, China; Huangpu Institute of Materials, Guangzhou, Guangdong, 510663, China.
| | - Yong Dai
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen, Guangdong 518020, China.
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27
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Abstract
Background: Rheumatoid arthritis (RA) is a highly prevalent, chronic inflammatory condition of the synovial joints that affects approximately 1% of the global population. The pathogenesis of RA is predominantly inflammatory in nature, thereby accelerating the co-occurrence of other immunoinflammatory conditions such as atherosclerosis. Apart from traditional cardiovascular risk factors, RA patients possess a multitude of other factors that predispose them to early atherosclerotic disease. The aim of this systematic review is to assess the prevalence of premature atherosclerosis in RA patients and elucidate the role that proinflammatory cytokines, RA-related autoantibodies, and endothelial dysfunction play in the pathophysiology of RA-mediated atherosclerosis. We also discussed novel biomarkers that can be used to predict early atherosclerosis in RA and current guidelines used to treat RA. Methods: This review followed the PRISMA guidelines to select and analyze relevant articles. A literature search for articles was performed on February 25, 2022, through three research databases including PubMed, ProQuest, and ScienceDirect. The query used to identify relevant publications was "Rheumatoid arthritis and atherosclerosis" and the search duration was set from 2012-2022. Relevant articles were selected based on the inclusion and exclusion criteria. Results: Our initial search generated 21,235 articles. We narrowed our search according to the inclusion and exclusion criteria. After assessing eligibility based on the full content of the articles, 73 articles were ultimately chosen for this review. Conclusion: There is an increased prevalence of accelerated atherosclerosis among RA patients. We found evidence to explain the role of proinflammatory cytokines, RA-related autoantibodies, and endothelial dysfunction in the pathophysiology RA-mediated atherosclerosis. Therapies targeting either the inflammatory load or traditional CV risk-factors seem to improve vascular outcomes in RA patients. Novel markers of atherosclerosis in RA may be useful in predicting premature atherosclerosis and serve as new targets for therapeutic intervention.
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Affiliation(s)
- Rhea Raj
- St. George's University School of medicine, True Blue, St. George's, Grenada
| | - Sneha Thomas
- University of Maryland Medical Center MTC, Midtown, Baltimore, USA
| | - Vasavi Gorantla
- St. George's University School of medicine, True Blue, St. George's, Grenada
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28
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Citrullination in the pathology of inflammatory and autoimmune disorders: recent advances and future perspectives. Cell Mol Life Sci 2022; 79:94. [PMID: 35079870 PMCID: PMC8788905 DOI: 10.1007/s00018-022-04126-3] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 12/29/2021] [Accepted: 01/03/2022] [Indexed: 02/06/2023]
Abstract
Numerous
post-translational modifications (PTMs) govern the collective metabolism of a cell through altering the structure and functions of proteins. The action of the most prevalent PTMs, encompassing phosphorylation, methylation, acylations, ubiquitination and glycosylation is well documented. A less explored protein PTM, conversion of peptidylarginine to citrulline, is the subject of this review. The process of citrullination is catalysed by peptidylarginine deiminases (PADs), a family of conserved enzymes expressed in a variety of human tissues. Accumulating evidence suggest that citrullination plays a significant role in regulating cellular metabolism and gene expression by affecting a multitude of pathways and modulating the chromatin status. Here, we will discuss the biochemical nature of arginine citrullination, the enzymatic machinery behind it and also provide information on the pathological consequences of citrullination in the development of inflammatory diseases (rheumatoid arthritis, multiple sclerosis, psoriasis, systemic lupus erythematosus, periodontitis and COVID-19), cancer and thromboembolism. Finally, developments on inhibitors against protein citrullination and recent clinical trials providing a promising therapeutic approach to inflammatory disease by targeting citrullination are discussed.
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Liu J, Gao J, Wu Z, Mi L, Li N, Wang Y, Peng X, Xu K, Wu F, Zhang L. Anti-citrullinated Protein Antibody Generation, Pathogenesis, Clinical Application, and Prospects. Front Med (Lausanne) 2022; 8:802934. [PMID: 35096892 PMCID: PMC8791387 DOI: 10.3389/fmed.2021.802934] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/13/2021] [Indexed: 12/18/2022] Open
Abstract
Anti-citrullinated protein antibodies (ACPAs) are autoantibodies commonly observed in patients with rheumatoid arthritis (RA). Currently, most of the mechanisms of ACPA formation and bone destruction are well-understood, however, some unknown mechanisms still exist. There have been many new advances in ACPA-related clinical applications and targeted therapies. However, the existence of different ACPA subtypes is a limitation of targeted therapy. Herein, we present an overview of the process of ACPA generation, the underlying pathogenesis, and relevant clinical application and prospects.
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Richardson PG, Palomo M, Kernan NA, Hildebrandt GC, Chao N, Carreras E. The importance of endothelial protection: the emerging role of defibrotide in reversing endothelial injury and its sequelae. Bone Marrow Transplant 2021; 56:2889-2896. [PMID: 34584241 PMCID: PMC8477726 DOI: 10.1038/s41409-021-01383-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 11/09/2022]
Abstract
Hepatic veno-occlusive disease/sinusoidal obstruction syndrome (VOD/SOS), a potentially life-threatening complication of hematopoietic cell transplantation (HCT), results from prolonged sinusoidal endothelial cell activation and profound endothelial cell damage, with sequelae. Defibrotide, the only drug approved in the United States and Europe for treating VOD/SOS post-HCT, has European Commission orphan drug designation for preventing graft-versus-host disease (GvHD), associated with endothelial dysfunction. This endothelial cell protector and stabilizing agent restores thrombo-fibrinolytic balance and preserves endothelial homeostasis through antithrombotic, fibrinolytic, anti-inflammatory, anti-oxidative, and anti-adhesive activity. Defibrotide also preserves endothelial cell structure by inhibiting heparanase activity. Evidence suggests that downregulating p38 mitogen-activated protein kinase (MAPK) and histone deacetylases (HDACs) is key to defibrotide’s endothelial protective effects; phosphatidylinositol 3-kinase/Akt (PI3K/AKT) potentially links defibrotide interaction with the endothelial cell membrane and downstream effects. Despite defibrotide’s being most extensively studied in VOD/SOS, emerging preclinical and clinical data support defibrotide for treating or preventing other conditions driven by endothelial cell activation, dysfunction, and/or damage, such as GvHD, transplant-associated thrombotic microangiopathy, or chimeric antigen receptor T-cell (CAR-T) therapy-associated neurotoxicity, underpinned by cytokine release syndrome and endotheliitis. Further preclinical and clinical studies will explore defibrotide’s potential utility in a broader range of disorders resulting from endothelial cell activation and dysfunction.
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Affiliation(s)
- Paul G Richardson
- Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
| | - Marta Palomo
- Barcelona Endothelium Team, Josep Carreras Leukaemia Research Institute, Hospital Clinic/University of Barcelona Campus, Barcelona, Spain.,Hematopathology, Department of Pathology, Centre de Diagnostic Biomedic (CDB), Hospital Clinic de Barcelona, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain
| | - Nancy A Kernan
- Pediatric BMT Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Nelson Chao
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA
| | - Enric Carreras
- Barcelona Endothelium Team, Josep Carreras Leukaemia Research Institute, Hospital Clinic/University of Barcelona Campus, Barcelona, Spain
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HIV Associated Preeclampsia: A Multifactorial Appraisal. Int J Mol Sci 2021; 22:ijms22179157. [PMID: 34502066 PMCID: PMC8431090 DOI: 10.3390/ijms22179157] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022] Open
Abstract
Introduction: This review explores angiogenesis, vascular dysfunction, the complement system, RAAS, apoptosis and NETosis as potential pathways that are dysregulated during preeclampsia, HIV infection and ART usage. Results: HIV-1 accessory and matrix proteins are protagonists for the elevation of oxidative stress, apoptosis, angiogenesis, and elevation of adhesion markers. Despite the immunodeficiency during HIV-1 infection, HIV-1 exploits our cellular defence arsenal by escaping cell-mediated lysis, yet HIV-1 infectivity is enhanced via C5a release of TNF-α and IL-6. This review demonstrates that PE is an oxidatively stressed microenvironment associated with increased apoptosis and NETosis, but with a decline in angiogenesis. Immune reconstitution in the duality of HIV-1 and PE by protease inhibitors, HAART and nucleoside reverse transcriptase, affect similar cellular pathways that eventuate in loss of endothelial cell integrity and, hence, its dysfunction. Conclusions: HIV-1 infection, preeclampsia and ARTs differentially affect endothelial cell function. In the synergy of both conditions, endothelial dysfunction predominates. This knowledge will help us to understand the effect of HIV infection and ART on immune reconstitution in preeclampsia.
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Hook JS, Patel PA, O'Malley A, Xie L, Kavanaugh JS, Horswill AR, Moreland JG. Lipoproteins from Staphylococcus aureus Drive Neutrophil Extracellular Trap Formation in a TLR2/1- and PAD-Dependent Manner. THE JOURNAL OF IMMUNOLOGY 2021; 207:966-973. [PMID: 34290104 DOI: 10.4049/jimmunol.2100283] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/25/2021] [Indexed: 11/19/2022]
Abstract
Neutrophils, polymorphonuclear leukocytes (PMN), play a critical role in the innate immune response to Staphylococcus aureus, a pathogen that continues to be associated with significant morbidity and mortality. Neutrophil extracellular trap (NET) formation is involved in ensnaring and killing of S. aureus, but this host-pathogen interaction also leads to host tissue damage. Importantly, NET components including neutrophil proteases are under consideration as therapeutic targets in a variety of disease processes. Although S. aureus lipoproteins are recognized to activate cells via TLRs, specific mechanisms of interaction with neutrophils are poorly delineated. We hypothesized that a lipoprotein-containing cell membrane preparation from methicillin-resistant S. aureus (MRSA-CMP) would elicit PMN activation, including NET formation. We investigated MRSA-CMP-elicited NET formation, regulated elastase release, and IL-8 production in human neutrophils. We studied PMN from healthy donors with or without a common single-nucleotide polymorphism in TLR1, previously demonstrated to impact TLR2/1 signaling, and used cell membrane preparation from both wild-type methicillin-resistant S. aureus and a mutant lacking palmitoylated lipoproteins (lgt). MRSA-CMP elicited NET formation, elastase release, and IL-8 production in a lipoprotein-dependent manner. TLR2/1 signaling was involved in NET formation and IL-8 production, but not elastase release, suggesting that MRSA-CMP-elicited elastase release is not mediated by triacylated lipoproteins. MRSA-CMP also primed neutrophils for enhanced NET formation in response to a subsequent stimulus. MRSA-CMP-elicited NET formation did not require Nox2-derived reactive oxygen species and was partially dependent on the activity of peptidyl arginine deiminase (PAD). In conclusion, lipoproteins from S. aureus mediate NET formation via TLR2/1 with clear implications for patients with sepsis.
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Affiliation(s)
- Jessica S Hook
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX
| | - Parth A Patel
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX
| | - Aidan O'Malley
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX
| | - Lihua Xie
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX
| | - Jeffrey S Kavanaugh
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO
| | - Alexander R Horswill
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO.,Department of Veterans Affairs, Eastern Colorado Healthcare System, Aurora, CO; and
| | - Jessica G Moreland
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX; .,Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX
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Yang D, Liu J. Neutrophil Extracellular Traps: A New Player in Cancer Metastasis and Therapeutic Target. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:233. [PMID: 34271947 PMCID: PMC8283906 DOI: 10.1186/s13046-021-02013-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 06/10/2021] [Indexed: 12/11/2022]
Abstract
Neutrophil Extracellular Traps (NETs) are neutrophil-derived extracellular scaffolds, which typically consist of fibrous decondensed chromatins decorated with histones and granule proteins. Initially discovered as a host defence mechanism of neutrophil against pathogens, they have also been implicated in the progression of sterile inflammation-associated diseases such as autoimmune disease, diabetes, and cancer. In this review, we highlight and discuss the more recent studies on the roles of NETs in cancer development, with a special focus on cancer metastasis. Moreover, we present the strategies for targeting NETs in pre-clinical models, but also the challenging questions that need to be answered in the field.
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Affiliation(s)
- Dakai Yang
- Liver Disease and Cancer Institute, School of Medicine, Jiangsu University, Zhenjiang, People's Republic of China. .,Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, People's Republic of China.
| | - Jing Liu
- Microbiology and Immunity Department, Shanghai University of Medicine & Health Sciences, Shanghai, People's Republic of China. .,Collaborative Innovation Center for Biomedicines, Shanghai University of Medicine & Health Sciences, Shanghai, People's Republic of China.
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