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Guan X, Lu Y, Wang C, Zhan P, Chen Z. Role of CD61 + low-density neutrophils in promoting hepatocellular carcinoma metastasis through CCDC25 upregulation. Int Immunopharmacol 2024; 134:112272. [PMID: 38761780 DOI: 10.1016/j.intimp.2024.112272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 05/08/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND A subset of neutrophils isolated from the peripheral blood mononuclear cells (PBMC) layer has recently been described in cancer patients. METHODS Double-gradient centrifugation was used to separate the neutrophil subsets. Western blotting and immunohistochemical assays were performed to assess CCDC25 expression levels. RESULTS In this study, we found that low-density neutrophils (LDNs) were more highly enriched in metastatic hepatocellular carcinoma (HCC) patients than in non-metastatic HCC patients. We then showed a CD61+ LDNs subset, which displayed distinct functions and gene expression, when compared with high-density neutrophils (HDNs) and CD61- LDNs. Transcriptomic analysis revealed that the CD61+ LDNs were predominantly enhanced in the transcription of glycolysis and angiogenesis associated gene, HMGB1 associated gene and granulation protein gene. These CD61+ LDNs displayed a prominent ability to trigger metastasis, compared with HDNs and CD61- LDNs. Specifically, CD61+ LDN-derived HMGB1 protein increased the invasion of HCC cells by upregulating CCDC25. Mechanistically, the CD61+ LDN-derived HMGB1 protein enhanced the invasiveness of HCC cells and triggered their metastatic potential, which was mediated by TLR9-NF-κB-CCDC25 signaling. Blocking this signaling pathway reversed the invasion of the CD61+ LDN-induced HCC cells. In vivo, we consistently showed that CD61+ LDN-derived HMGB1 enhances HCC metastasis to the lungs. CONCLUSIONS Overall, our findings showed that a subset of CD61+ LDNs has pro-metastatic effects on HCC, and may be used to target HCC in the clinical setting.
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Affiliation(s)
- Xiangqian Guan
- Xiamen Translational Medical Key Laboratory of Digestive System Tumor, Xiamen, China; Department of Clinical Laboratory, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, China.
| | - Yuyan Lu
- Xiamen Translational Medical Key Laboratory of Digestive System Tumor, Xiamen, China
| | - Chuanzheng Wang
- Xiamen Translational Medical Key Laboratory of Digestive System Tumor, Xiamen, China
| | - Ping Zhan
- Xiamen Translational Medical Key Laboratory of Digestive System Tumor, Xiamen, China
| | - Zhigao Chen
- Xiamen Translational Medical Key Laboratory of Digestive System Tumor, Xiamen, China; Clinical Medical College, Fujian Medical University, Fuzhou, China
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2
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Marsile-Medun S, Souchard M, Abba Moussa D, Reynaud É, Tuaillon E, Naranjo-Gomez M, Pelegrin M. Fc receptors are key discriminatory markers of granulocytes subsets in people living with HIV-1. Front Immunol 2024; 15:1345422. [PMID: 38384451 PMCID: PMC10879334 DOI: 10.3389/fimmu.2024.1345422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
Introduction Granulocytes are innate immune cells that play a key role in pathogen elimination. Recent studies revealed the diversity of granulocytes in terms of phenotype and function. In particular, a subset of granulocytes identified as low-density granulocytes (LDG) has been described in physiological conditions and with increased frequencies in several pathological contexts. However, the properties of LDG are still controversial as they vary according to the pathophysiological environment. Here we investigated the heterogeneity of granulocyte populations and the potential differences in phenotype and immunomodulatory capacity between LDG and normal density granulocytes (NDG) in people living with HIV-1 (PLWH). Methods To this end, we developed an optimized method to purify LDG and NDG from a single blood sample, and performed in-depth, comparative phenotypic characterization of both granulocyte subtypes. We also assessed the impact of purification steps on the expression of cell surface markers on LDG by immunophenotyping them at different stages of isolation. Results We identified 9 cell surface markers (CD16, CD32, CD89, CD62L, CD177, CD31, CD10, CXCR4 and CD172α) differentially expressed between LDG and NDG. Noteworthy, markers that distinguish the two subsets include receptors for the Fc part of IgG (CD16, CD32) and IgA (CD89). Importantly, we also highlighted that the purification procedure affects the expression of several cell surface markers (i.e.CD63, CD66b, …) which must be taken into account when characterizing LDG. Our work sheds new light on the properties of LDG in PLWH and provides an extensive characterization of this granulocyte subset in which Fc receptors are key discriminatory markers.
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Affiliation(s)
| | - Manon Souchard
- IRMB, Univ Montpellier, INSERM, CNRS, Montpellier, France
| | | | - Élisa Reynaud
- Laboratoire de Virologie, Centre Hospitalier-Universitaire de Montpellier, Montpellier, France
| | - Edouard Tuaillon
- Laboratoire de Virologie, Centre Hospitalier-Universitaire de Montpellier, Montpellier, France
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3
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Fan X, Shu P, Wang Y, Ji N, Zhang D. Interactions between neutrophils and T-helper 17 cells. Front Immunol 2023; 14:1279837. [PMID: 37920459 PMCID: PMC10619153 DOI: 10.3389/fimmu.2023.1279837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/05/2023] [Indexed: 11/04/2023] Open
Abstract
Neutrophils comprise the majority of immune cells in human peripheral circulation, have potent antimicrobial activities, and are clinically significant in their abundance, heterogeneity, and subcellular localization. In the past few years, the role of neutrophils as components of the innate immune response has been studied in numerous ways, and these cells are crucial in fighting infections, autoimmune diseases, and cancer. T-helper 17 (Th17) cells that produce interleukin 17 (IL-17) are critical in fighting infections and maintaining mucosal immune homeostasis, whereas they mediate several autoimmune diseases. Neutrophils affect adaptive immune responses by interacting with adaptive immune cells. In this review, we describe the physiological roles of both Th17 cells and neutrophils and their interactions and briefly describe the pathological processes in which these two cell types participate. We provide a summary of relevant drugs targeting IL-17A and their clinical trials. Here, we highlight the interactions between Th17 cells and neutrophils in diverse pathophysiological situations.
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Affiliation(s)
- Xinzou Fan
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Panyin Shu
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ying Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Ning Ji
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Dunfang Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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4
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Zhou W, Cao X, Xu Q, Qu J, Sun Y. The double-edged role of neutrophil heterogeneity in inflammatory diseases and cancers. MedComm (Beijing) 2023; 4:e325. [PMID: 37492784 PMCID: PMC10363828 DOI: 10.1002/mco2.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/31/2023] [Accepted: 06/09/2023] [Indexed: 07/27/2023] Open
Abstract
Neutrophils are important immune cells act as the body's first line of defense against infection and respond to diverse inflammatory cues. Many studies have demonstrated that neutrophils display plasticity in inflammatory diseases and cancers. Clarifying the role of neutrophil heterogeneity in inflammatory diseases and cancers will contribute to the development of novel treatment strategies. In this review, we have presented a review on the development of the understanding on neutrophil heterogeneity from the traditional perspective and a high-resolution viewpoint. A growing body of evidence has confirmed the double-edged role of neutrophils in inflammatory diseases and tumors. This may be due to a lack of precise understanding of the role of specific neutrophil subsets in the disease. Thus, elucidating specific neutrophil subsets involved in diseases would benefit the development of precision medicine. Thusly, we have summarized the relevance and actions of neutrophil heterogeneity in inflammatory diseases and cancers comprehensively. Meanwhile, we also discussed the potential intervention strategy for neutrophils. This review is intended to deepen our understanding of neutrophil heterogeneity in inflammatory diseases and cancers, while hold promise for precise treatment of neutrophil-related diseases.
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Affiliation(s)
- Wencheng Zhou
- Department of PharmacyThe First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine)HangzhouChina
| | - Xinran Cao
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
| | - Qiang Xu
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
| | - Jiao Qu
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
| | - Yang Sun
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
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5
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Ntinopoulou M, Cassimos D, Roupakia E, Kolettas E, Panopoulou M, Mantadakis E, Konstantinidis T, Chrysanthopoulou A. Ιnterleukin-17A-Enriched Neutrophil Extracellular Traps Promote Immunofibrotic Aspects of Childhood Asthma Exacerbation. Biomedicines 2023; 11:2104. [PMID: 37626601 PMCID: PMC10452671 DOI: 10.3390/biomedicines11082104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
Childhood asthma is a chronic inflammatory airway disorder that can drive tissue remodeling. Neutrophils are amongst the most prominent inflammatory cells contributing to disease manifestations and may exert a potent role in the progression of inflammation to fibrosis. However, their role in asthma exacerbation is still understudied. Here, we investigate the association between neutrophil extracellular traps (NETs) and lung fibroblasts in childhood asthma pathophysiology using serum samples from pediatric patients during asthma exacerbation. Cell-based assays and NETs/human fetal lung fibroblast co-cultures were deployed. Increased levels of NETs and interleukin (IL)-17A were detected in the sera of children during asthma exacerbation. The in vitro stimulation of control neutrophils using the sera from pediatric patients during asthma exacerbation resulted in IL-17A-enriched NET formation. The subsequent co-incubation of lung fibroblasts with in vitro-generated IL-17A-enriched NETs led fibroblasts to acquire a pre-fibrotic phenotype, as assessed via enhanced CCN2 expression, migratory/healing capacity, and collagen release. These data uncover the important pathogenic role of the NET/IL-17A axis in asthma exacerbation, linking lung inflammation to fibroblast dysfunction and fibrosis.
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Affiliation(s)
- Maria Ntinopoulou
- Laboratory of Molecular Immunology, Department of Biological Applications and Technology, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece; (M.N.); (T.K.)
| | - Dimitrios Cassimos
- Department of Pediatrics, University General Hospital of Alexandroupolis, Democritus University of Thrace Medical School, 68100 Thrace, Greece; (D.C.); (E.M.)
| | - Eugenia Roupakia
- Laboratory of Biology, School of Medicine, Faculty of Health Sciences, University of Ioannina, 45110 Ioannina, Greece; (E.R.); (E.K.)
- Biomedical Research Institute, Foundation for Research and Technology-Hellas, 45110 Ioannina, Greece
| | - Evangelos Kolettas
- Laboratory of Biology, School of Medicine, Faculty of Health Sciences, University of Ioannina, 45110 Ioannina, Greece; (E.R.); (E.K.)
- Biomedical Research Institute, Foundation for Research and Technology-Hellas, 45110 Ioannina, Greece
| | - Maria Panopoulou
- Department of Microbiology, University General Hospital of Alexandroupolis, Democritus University of Thrace Medical School, 68100 Thrace, Greece;
| | - Elpis Mantadakis
- Department of Pediatrics, University General Hospital of Alexandroupolis, Democritus University of Thrace Medical School, 68100 Thrace, Greece; (D.C.); (E.M.)
| | - Theocharis Konstantinidis
- Laboratory of Molecular Immunology, Department of Biological Applications and Technology, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece; (M.N.); (T.K.)
| | - Akrivi Chrysanthopoulou
- Laboratory of Molecular Immunology, Department of Biological Applications and Technology, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece; (M.N.); (T.K.)
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Cavalcante-Silva LHA, Almeida FS, Andrade AGD, Comberlang FC, Cardoso LL, Vanderley SER, Keesen TSL. Mycobacterium tuberculosis in a Trap: The Role of Neutrophil Extracellular Traps in Tuberculosis. Int J Mol Sci 2023; 24:11385. [PMID: 37511144 PMCID: PMC10379580 DOI: 10.3390/ijms241411385] [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: 05/21/2023] [Revised: 07/07/2023] [Accepted: 07/09/2023] [Indexed: 07/30/2023] Open
Abstract
Mycobacterium tuberculosis complex causes tuberculosis (TB), a disease that causes pulmonary inflammation but can also affect other tissues. Despite macrophages having a defined role in TB immunopathogenesis, other innate immune cells, such as neutrophils, are involved in this process. These cells have high phagocytic ability and a microbial-killing machine comprised of enzymes, antimicrobial peptides, and reactive oxygen species. In the last two decades, a new neutrophil immune response, the neutrophil extracellular traps (NETs), has been intensely researched. NETs comprise DNA associated with histones, enzymes, and antimicrobial peptides. These structures are related to antimicrobial immune response and some immuno-pathogenesis mechanisms. This mini review highlights the role of NETs in tuberculosis and how they can be helpful as a diagnostic tool and/or therapeutic target.
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Affiliation(s)
- Luiz Henrique Agra Cavalcante-Silva
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Fernanda Silva Almeida
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Arthur Gomes de Andrade
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Fernando Cézar Comberlang
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Leonardo Lima Cardoso
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Shayenne Eduarda Ramos Vanderley
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Tatjana S L Keesen
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
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7
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Glukhareva AE, Afonin GV, Melnikova AA, Grivtsova LY, Kolobaev IV, Ivanov SA, Kaprin AD. The NETosis phenomena as a functional features of peripheral blood neutrophils and its role in the pathogenesis of infections and oncological diseases: A review. JOURNAL OF MODERN ONCOLOGY 2023. [DOI: 10.26442/18151434.2022.4.201786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The review is devoted to the analysis of the mechanism of NETosis and the formation of extracellular traps by neutrophils. Neutrophil traps are DNA strands, histones and proteins that are involved in autoimmune diseases, COVID-19, as well as in the pathogenesis of other non-communicable diseases. Based on the literature data, the role of NETosis in the development oncological diseases is analyzed. Two types of neutrophils have been characterized: low-density neutrophils and high-density neutrophils. In particular, the significance of this phenomenon in the progression and metastasis of the cancer. A detailed study of this issue will be useful both from a fundamental standpoint regarding the disclosure of the mechanisms of the metastatic cascade, and from a practical point of view for the development of new immunotherapeutic approaches in the treatment of metastatic tumors.
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8
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Methods for the Assessment of NET Formation: From Neutrophil Biology to Translational Research. Int J Mol Sci 2022; 23:ijms232415823. [PMID: 36555464 PMCID: PMC9781911 DOI: 10.3390/ijms232415823] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/12/2022] [Accepted: 12/10/2022] [Indexed: 12/15/2022] Open
Abstract
Several studies have indicated that a neutrophil extracellular trap (NET) formation, apart from its role in host defense, can contribute to or drive pathogenesis in a wide range of inflammatory and thrombotic disorders. Therefore, NETs may serve as a therapeutic target or/and a diagnostic tool. Here, we compare the most commonly used techniques for the assessment of NET formation. Furthermore, we review recent data from the literature on the application of basic laboratory tools for detecting NET release and discuss the challenges and the advantages of these strategies in NET evaluation. Taken together, we provide some important insights into the qualitative and quantitative molecular analysis of NETs in translational medicine today.
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Völs S, Kaisar-Iluz N, Shaul ME, Ryvkin A, Ashkenazy H, Yehuda A, Atamneh R, Heinberg A, Ben-David-Naim M, Nadav M, Hirsch S, Mitesser V, Salpeter SJ, Dzikowski R, Hayouka Z, Gershoni JM, Fridlender ZG, Granot Z. Targeted nanoparticles modify neutrophil function in vivo. Front Immunol 2022; 13:1003871. [PMID: 36275643 PMCID: PMC9580275 DOI: 10.3389/fimmu.2022.1003871] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/08/2022] [Indexed: 11/13/2022] Open
Abstract
Neutrophils play critical roles in a broad spectrum of clinical conditions. Accordingly, manipulation of neutrophil function may provide a powerful immunotherapeutic approach. However, due to neutrophils characteristic short half-life and their large population number, this possibility was considered impractical. Here we describe the identification of peptides which specifically bind either murine or human neutrophils. Although the murine and human neutrophil-specific peptides are not cross-reactive, we identified CD177 as the neutrophil-expressed binding partner in both species. Decorating nanoparticles with a neutrophil-specific peptide confers neutrophil specificity and these neutrophil-specific nanoparticles accumulate in sites of inflammation. Significantly, we demonstrate that encapsulating neutrophil modifying small molecules within these nanoparticles yields specific modulation of neutrophil function (ROS production, degranulation, polarization), intracellular signaling and longevity both in vitro and in vivo. Collectively, our findings demonstrate that neutrophil specific targeting may serve as a novel mode of immunotherapy in disease.
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Affiliation(s)
- Sandra Völs
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Naomi Kaisar-Iluz
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- Institute of Pulmonary Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Merav E. Shaul
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- Institute of Pulmonary Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Arik Ryvkin
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Haim Ashkenazy
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Avishag Yehuda
- Institute of Biochemistry, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Ronza Atamneh
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel Canada, Hebrew University Medical School, Jerusalem, Israel
| | - Adina Heinberg
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel Canada, Hebrew University Medical School, Jerusalem, Israel
| | | | | | | | - Vera Mitesser
- Department of Microbiology and Molecular Genetics, Kuvin Center for the Study of Infectious and Tropical Diseases, Institute for Medical Research Israel-Canada, Hebrew University Hadassah Medical School, Jerusalem, Israel
| | | | - Ron Dzikowski
- Department of Microbiology and Molecular Genetics, Kuvin Center for the Study of Infectious and Tropical Diseases, Institute for Medical Research Israel-Canada, Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Zvi Hayouka
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan M. Gershoni
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Zvi G. Fridlender
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
- Institute of Pulmonary Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
- *Correspondence: Zvi G. Fridlender, ; Zvi Granot,
| | - Zvi Granot
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel Canada, Hebrew University Medical School, Jerusalem, Israel
- *Correspondence: Zvi G. Fridlender, ; Zvi Granot,
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Martin C, Dhôte T, Ladjemi MZ, Andrieu M, Many S, Karunanithy V, Pène F, Da Silva J, Burgel PR, Witko-Sarsat V. Specific circulating neutrophils subsets are present in clinically stable adults with cystic fibrosis and are further modulated by pulmonary exacerbations. Front Immunol 2022; 13:1012310. [PMID: 36248793 PMCID: PMC9560797 DOI: 10.3389/fimmu.2022.1012310] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 09/13/2022] [Indexed: 12/03/2022] Open
Abstract
The progressive lung destruction in cystic fibrosis (CF) is tightly associated with chronic bacterial infection and neutrophil-dominated airway inflammation. CF pulmonary disease is complicated by episodes of acute exacerbations, contributing to irreversible lung damage. We hypothesized that circulating subsets of neutrophils from clinically stable adults with CF present some phenotypic specificities that could amplify their activation during an infectious episode. The aim of the present study was to examine the different neutrophil subsets in whole blood and in the low density neutrophils (LDN) that co-purify with peripheral blood mononuclear cells (PBMC) in clinically stable adults with CF and in CF adults during pulmonary exacerbations compared to healthy donors. Blood samples were obtained from 22 adults with CF (16 in stable state and 6 during pulmonary exacerbations) and from 20 healthy donors. Flow cytometry analysis of 13 different markers related to lineage (CD45, CD15), maturity (CD16, CD10, and CD33), activation (CD62L, CD11b, CD66b, and CD114), metabolism (GLUT-1, LOX1) and immunosuppression (PD1, PD-L1) was carried out within whole blood and within the LDN fraction. Unsupervised analysis of flow cytometry data was performed using visual t-distributed stochastic neighbor embedding (vi-tSNE). A significant increase in the CD11b expression in neutrophils from CF patients during exacerbations was observed compared to neutrophils from stable CF patients or to healthy donors, indicative of a circulating activation state due to an infectious status. The percentage of LDN was not increased in stable CF patients but increased during exacerbations. Analysis of neutrophil subsets using the double CD16/CD62L labeling revealed a significant increase in the CD16high/CD62Llow subset in all CF patients compared to healthy donors. In contrast, an increase in the CD16low/CD62Lhigh subset was observed only in CF patients during exacerbations. Unsupervised analysis identified a PD-L1high/CD114high population that was present in stable CF patients and as well as in CF patients during exacerbations.
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Affiliation(s)
- Clémence Martin
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
- Service de Pneumologie & Centre de Référence Maladies Rares Mucoviscidose, site coordonnateur, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris-Centre & Université de Paris-Cité, Paris, France
| | - Théo Dhôte
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
- Service de Pneumologie & Centre de Référence Maladies Rares Mucoviscidose, site coordonnateur, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris-Centre & Université de Paris-Cité, Paris, France
| | - Maha Zohra Ladjemi
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
- Service de Médecine intensive & Réanimation, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris-Centre & Université de Paris-Cité, Paris, France
| | - Muriel Andrieu
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
| | - Souganya Many
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
| | - Vaarany Karunanithy
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
| | - Frédéric Pène
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
- Service de Médecine intensive & Réanimation, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris-Centre & Université de Paris-Cité, Paris, France
| | - Jennifer Da Silva
- Service de Pneumologie & Centre de Référence Maladies Rares Mucoviscidose, site coordonnateur, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris-Centre & Université de Paris-Cité, Paris, France
| | - Pierre-Régis Burgel
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
- Service de Pneumologie & Centre de Référence Maladies Rares Mucoviscidose, site coordonnateur, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris-Centre & Université de Paris-Cité, Paris, France
| | - Véronique Witko-Sarsat
- Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique (CNRS) UMR8104, Université Paris-Cité, Paris, France
- *Correspondence: Véronique Witko-Sarsat,
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Eosinophilic inflammation: An Appealing Target for Pharmacologic Treatments in Severe Asthma. Biomedicines 2022; 10:biomedicines10092181. [PMID: 36140282 PMCID: PMC9496162 DOI: 10.3390/biomedicines10092181] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/31/2022] [Accepted: 08/31/2022] [Indexed: 11/19/2022] Open
Abstract
Severe asthma is characterized by different endotypes driven by complex pathologic mechanisms. In most patients with both allergic and non-allergic asthma, predominant eosinophilic airway inflammation is present. Given the central role of eosinophilic inflammation in the pathophysiology of most cases of severe asthma and considering that severe eosinophilic asthmatic patients respond partially or poorly to corticosteroids, in recent years, research has focused on the development of targeted anti-eosinophil biological therapies; this review will focus on the unique and particular biology of the eosinophil, as well as on the current knowledge about the pathobiology of eosinophilic inflammation in asthmatic airways. Finally, current and prospective anti-eosinophil therapeutic strategies will be discussed, examining the reason why eosinophilic inflammation represents an appealing target for the pharmacological treatment of patients with severe asthma.
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Maisha N, Kulkarni C, Pandala N, Zilberberg R, Schaub L, Neidert L, Glaser J, Cannon J, Janeja V, Lavik EB. PEGylated Polyester Nanoparticles Trigger Adverse Events in a Large Animal Model of Trauma and in Naı̈ve Animals: Understanding Cytokine and Cellular Correlations with These Events. ACS NANO 2022; 16:10566-10580. [PMID: 35822898 DOI: 10.1021/acsnano.2c01993] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Intravenously infusible nanoparticles to control bleeding have shown promise in rodents, but translation into preclinical models has been challenging as many of these nanoparticle approaches have resulted in infusion responses and adverse outcomes in large animal trauma models. We developed a hemostatic nanoparticle technology that was screened to avoid one component of the infusion response: complement activation. We administered these hemostatic nanoparticles, control nanoparticles, or saline volume controls in a porcine polytrauma model. While the hemostatic nanoparticles promoted clotting as marked by a decrease in prothrombin time and both the hemostatic nanoparticles and controls did not active complement, in a subset of the animals, hard thrombi were found in uninjured tissues in both the hemostatic and control nanoparticle groups. Using data science methods that allow one to work across heterogeneous data sets, we found that the presence of these thrombi correlated with changes in IL-6, INF-alpha, lymphocytes, and neutrophils. While these findings might suggest that this formulation would not be a safe one for translation for trauma, they provide guidance for developing screening tools to make nanoparticle formulations in the complex milieux of trauma as well as for therapeutic interventions more broadly. This is important as we look to translate intravenously administered nanoparticle formulations for therapies, particularly considering the vascular changes seen in a subset of patients following COVID-19. We need to understand adverse events like thrombi more completely and screen for these events early to make nanomaterials as safe and effective as possible.
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Affiliation(s)
| | | | | | | | - Leasha Schaub
- Naval Medical Research Unit-San Antonio, San Antonio, Texas 78234, United States
| | - Leslie Neidert
- Naval Medical Research Unit-San Antonio, San Antonio, Texas 78234, United States
| | - Jacob Glaser
- Naval Medical Research Unit-San Antonio, San Antonio, Texas 78234, United States
| | - Jeremy Cannon
- Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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13
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[Neutrophil plasticity: A new key in the understanding of onco-immunology]. Rev Mal Respir 2022; 39:587-594. [PMID: 35871052 DOI: 10.1016/j.rmr.2022.06.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 06/16/2022] [Indexed: 01/07/2023]
Abstract
Lung cancer remains the leading cause of cancer mortality in France. Research has shown that immune cells play a major role in tumor growth, angiogenesis and promotion of metastasis. While the density of intra-tumoral adaptive immune cell infiltrate is associated with a favorable prognosis, the presence of polynuclear neutrophils (innate immune cells) is associated in different types of cancer with a poor prognosis. The reviewed studies underline the abundance of intra-tumoral neutrophils involved in tumor progression by their immunosuppressive activity. More specifically, it has been shown that the neutrophil/lymphocyte (N/L) ratio is a prognostic marker. Different mechanisms promoting tumor progression have been identified, particularly the pro-angiogenic and immunosuppressive activities of neutrophils. However, under certain conditions, they can also exert effective anti-tumor activity through their interactions with the adaptive immune system. The complexity of the role of neutrophils in oncology resides in the diversity of subpopulations and their plasticity under the influence of the tumor environment. In this review, we will discuss the different properties of neutrophils not only as pro- and anti-tumor effector cells, but also as immunomodulatory cells, and we will conclude by considering therapeutic perspectives in lung cancer.
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14
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Delaleu J, Lepelletier C, Calugareanu A, De Masson A, Charvet E, Petit A, Giurgea I, Amselem S, Karabina S, Jachiet M, Mahevas T, Ram-Wolff C, Vignon-Pennamen MD, Bagot M, Battistella M, Bouaziz JD. Neutrophilic dermatoses. Rev Med Interne 2022; 43:727-738. [PMID: 35870984 DOI: 10.1016/j.revmed.2022.06.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 04/27/2022] [Accepted: 06/12/2022] [Indexed: 10/17/2022]
Abstract
Neutrophilic dermatoses (ND) are a group of inflammatory skin conditions characterized by a neutrophilic infiltrate on histopathology with no evidence of infection. ND are classified based upon the localization of neutrophils within the skin and clinical features. Recent findings suggest that ND are due to two main mechanisms: i) a polyclonal hereditary activation of the innate immune system (polygenic or monogenic); or ii) a clonal somatic activation of myeloid cells such as encountered in myelodysplastic syndrome or VEXAS syndrome. ND belong to internal medicine as a great number of patients with ND suffer from an underlying condition (such as hematological malignancy, inflammatory bowel disease, auto-immune and auto-inflammatory diseases). ND are diagnoses of exclusion and physicians should always consider differential diagnoses, particularly skin infections. Here, we review the pathophysiology and classification of the main ND (i.e., subcorneal pustular dermatosis (Sneddon-Wilkinson Disease) and Intercellular IgA dermatoses, aseptic pustulosis of the folds, Sweet syndrome, neutrophilic eccrine hidradenitis, pyoderma gangrenosum, erythema elevatum diutinum, neutrophilic urticarial dermatosis and neutrophilic panniculitis), their clinical and histopathological features, and we highlight the investigations that are useful to identify ND-associated diseases and to exclude the differential diagnoses.
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Affiliation(s)
- J Delaleu
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France; Inserm u933, "Childhood genetic disorders", service de génétique, Sorbonne université, hôpital Armand-Trousseau, AP-HP, Paris, France
| | - C Lepelletier
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - A Calugareanu
- Service de dermatologie, Severe Cutaneous Adverse Reaction (SCAR) Regional Center, HCL, CHU de Lyon Centre, Lyon, France
| | - A De Masson
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - E Charvet
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - A Petit
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - I Giurgea
- Inserm u933, "Childhood genetic disorders", service de génétique, Sorbonne université, hôpital Armand-Trousseau, AP-HP, Paris, France
| | - S Amselem
- Inserm u933, "Childhood genetic disorders", service de génétique, Sorbonne université, hôpital Armand-Trousseau, AP-HP, Paris, France
| | - S Karabina
- Inserm u933, "Childhood genetic disorders", service de génétique, Sorbonne université, hôpital Armand-Trousseau, AP-HP, Paris, France
| | - M Jachiet
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - T Mahevas
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - C Ram-Wolff
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - M-D Vignon-Pennamen
- Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France; Service d'anatomie pathologique, hôpital Saint-Louis, AP-HP, Paris, France
| | - M Bagot
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France
| | - M Battistella
- Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France; Service d'anatomie pathologique, hôpital Saint-Louis, AP-HP, Paris, France
| | - J-D Bouaziz
- Service de dermatologie, hôpital Saint-Louis, AP-HP, Paris, France; Inserm u976 "Human Immunology, Pathophysiology and Immunotherapy", université Paris Cité, Paris, France.
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15
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Low-Density Granulocytes in Immune-Mediated Inflammatory Diseases. J Immunol Res 2022; 2022:1622160. [PMID: 35141336 PMCID: PMC8820945 DOI: 10.1155/2022/1622160] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 12/31/2021] [Indexed: 12/17/2022] Open
Abstract
Low-density granulocytes (LDGs), a distinct subset of neutrophils that colocalize with peripheral blood mononuclear cells after density gradient centrifugation, have been observed in many immune-mediated diseases. LDGs are considered highly proinflammatory because of enhanced spontaneous formation of neutrophil extracellular traps, endothelial toxicity, and cytokine production. Concomitantly, increased numbers of LDGs are associated with the severity of many immune-mediated inflammatory diseases. Recent studies, with the help of advanced transcriptomic technologies, demonstrated that LDGs were a mixed cell population composed of immature subset and mature subset, and these two subsets showed different pathogenic features. In this review, we summarize the current knowledge on the composition, origin, and pathogenic properties of LDGs in several immune-mediated inflammatory diseases and discuss potential medical interventions targeting LDGs.
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16
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Mechanism by which immune complexes are deposited in hosts tissue. Inflammopharmacology 2022; 30:349-351. [PMID: 35041118 DOI: 10.1007/s10787-021-00910-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 12/04/2021] [Indexed: 11/05/2022]
Abstract
We offer an explanation how immune complexes are deposited in tissues of auto-immune disorders in humans. These disorders are characterized by the accumulation in tissues of large numbers of neutrophils, which can shed out long extracellular traps (NETs) rich in a nucleosome and in highly opsonic poly cations, histone, LL37, defensins and elastase possessing properties similar to antibodies. These can bind by strong electrostatic forces to negatively charged domains in immune globulins, thus facilitating their deposition and internalization by tissue cells. However, the main cause for tissue damage in auto-immune patients is inflicted by the plethora of toxic pro-inflammatory agents released by activated neutrophils. To ameliorate tissue damage and the cytokine storms, it is recommended to administer to patients highly anionic heparins accompanied by steroids, methotrexate, colchicine, copaxone, and also by additional agents which retarded neutrophil functions.
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17
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Eosinophils as Drivers of Severe Eosinophilic Asthma: Endotypes or Plasticity? Int J Mol Sci 2021; 22:ijms221810150. [PMID: 34576313 PMCID: PMC8467265 DOI: 10.3390/ijms221810150] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 01/04/2023] Open
Abstract
Asthma is now recognized as a heterogeneous disease, encompassing different phenotypes driven by distinct pathophysiological mechanisms called endotypes. Common phenotypes of asthma, referred to as eosinophilic asthma, are characterized by the presence of eosinophilia. Eosinophils are usually considered invariant, terminally differentiated effector cells and have become a primary therapeutic target in severe eosinophilic asthma (SEA) and other eosinophil-associated diseases (EADs). Biological treatments that target eosinophils reveal an unexpectedly complex role of eosinophils in asthma, including in SEA, suggesting that "not all eosinophils are equal". In this review, we address our current understanding of the role of eosinophils in asthma with regard to asthma phenotypes and endotypes. We further address the possibility that different SEA phenotypes may involve differences in eosinophil biology. We discuss how these differences could arise through eosinophil "endotyping", viz. adaptations of eosinophil function imprinted during their development, or through tissue-induced plasticity, viz. local adaptations of eosinophil function through interaction with their lung tissue niches. In doing so, we also discuss opportunities, technical challenges, and open questions that, if addressed, might provide considerable benefits in guiding the choice of the most efficient precision therapies of SEA and, by extension, other EADs.
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18
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Zhang Y, Zeng F, Zeng M, Han X, Cai L, Zhang J, Weng J, Gao Y. Identification and Characterization of Alcohol-related Hepatocellular Carcinoma Prognostic Subtypes based on an Integrative N6-methyladenosine methylation Model. Int J Biol Sci 2021; 17:3554-3572. [PMID: 34512165 PMCID: PMC8416726 DOI: 10.7150/ijbs.62168] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 08/01/2021] [Indexed: 12/29/2022] Open
Abstract
Background: Alcohol consumption increases the risk of hepatocellular carcinoma (HCC), and associated with a high mortality rate and poor prognosis. N6-methyladenosine (m6A) methylations play key roles in tumorigenesis and progression. However, our current knowledge about m6A in alcohol-related HCC (A-HCC) remains elucidated. Herein, the authors construct an integrative m6A model based on A-HCC subtyping and mechanism exploration workflow. Methods: Based on the m6A expressions of A-HCC and in vivo experiment, different prognosis risk A-HCC subtypes are identified. Meanwhile, multiple interdependent indicators of prognosis including patient survival rate, clinical pathological prognosis and immunotherapy sensitivity. Results: The m6A model includes LRPPRC, YTHDF2, KIAA14219, and RBM15B, classified A-HCC patients into high/low-risk subtypes. The high-risk subtype compared to the low-risk subtype showed phenotypic malignancy, poor prognosis, immunosuppression, and activation of tumorigenesis and proliferation-related pathways, including the E2F target, DNA repair, and mTORC1 signalling pathways. The expression of Immunosuppressive cytokines DNMT1/EZH2 was up-regulated in A-HCC patients, and teniposide may be a potential therapeutic drug for A-HCC. Conclusion: Our model redefined A-HCC prognosis risk, identified potential m6As linking tumour progress and immune regulations and selected possible therapy target, thus promoting understanding and clinical applications about A-HCC.
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Affiliation(s)
- Yue Zhang
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Fanhong Zeng
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Min Zeng
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Xu Han
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Lei Cai
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Jiajun Zhang
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Jun Weng
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
| | - Yi Gao
- Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Guangzhou Clinical Research and Transformation Center for Artificial Liver, Institute of Regenerative Medicine, ZhuJiang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
- State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, China
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19
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Müller A, Krause B, Kerstein-Stähle A, Comdühr S, Klapa S, Ullrich S, Holl-Ulrich K, Lamprecht P. Granulomatous Inflammation in ANCA-Associated Vasculitis. Int J Mol Sci 2021; 22:ijms22126474. [PMID: 34204207 PMCID: PMC8234846 DOI: 10.3390/ijms22126474] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/04/2021] [Accepted: 06/10/2021] [Indexed: 12/21/2022] Open
Abstract
ANCA-associated vasculitis (AAV) comprises granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis (EGPA). While systemic vasculitis is a hallmark of all AAV, GPA is characterized by extravascular granulomatous inflammation, preferentially affecting the respiratory tract. The mechanisms underlying the emergence of neutrophilic microabscesses; the appearance of multinucleated giant cells; and subsequent granuloma formation, finally leading to scarred or destroyed tissue in GPA, are still incompletely understood. This review summarizes findings describing the presence and function of molecules and cells contributing to granulomatous inflammation in the respiratory tract and to renal inflammation observed in GPA. In addition, factors affecting or promoting the development of granulomatous inflammation such as microbial infections, the nasal microbiome, and the release of damage-associated molecular patterns (DAMP) are discussed. Further, on the basis of numerous results, we argue that, in situ, various ways of exposure linked with a high number of infiltrating proteinase 3 (PR3)- and myeloperoxidase (MPO)-expressing leukocytes lower the threshold for the presentation of an altered PR3 and possibly also of MPO, provoking the local development of ANCA autoimmune responses, aided by the formation of ectopic lymphoid structures. Although extravascular granulomatous inflammation is unique to GPA, similar molecular and cellular patterns can be found in both the respiratory tract and kidney tissue of GPA and MPA patients; for example, the antimicrobial peptide LL37, CD163+ macrophages, or regulatory T cells. Therefore, we postulate that granulomatous inflammation in GPA or PR3-AAV is intertwined with autoimmune and destructive mechanisms also seen at other sites.
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Affiliation(s)
- Antje Müller
- Department of Rheumatology & Clinical Immunology, University of Luebeck, 23562 Luebeck, Germany; (B.K.); (A.K.-S.); (S.C.); (S.K.); (P.L.)
- Correspondence: ; Tel.: +49-451-5005-0867
| | - Bettina Krause
- Department of Rheumatology & Clinical Immunology, University of Luebeck, 23562 Luebeck, Germany; (B.K.); (A.K.-S.); (S.C.); (S.K.); (P.L.)
- Institute of Anatomy & Experimental Morphology, University Hospital Hamburg-Eppendorf, University of Hamburg, 20251 Hamburg, Germany;
| | - Anja Kerstein-Stähle
- Department of Rheumatology & Clinical Immunology, University of Luebeck, 23562 Luebeck, Germany; (B.K.); (A.K.-S.); (S.C.); (S.K.); (P.L.)
| | - Sara Comdühr
- Department of Rheumatology & Clinical Immunology, University of Luebeck, 23562 Luebeck, Germany; (B.K.); (A.K.-S.); (S.C.); (S.K.); (P.L.)
| | - Sebastian Klapa
- Department of Rheumatology & Clinical Immunology, University of Luebeck, 23562 Luebeck, Germany; (B.K.); (A.K.-S.); (S.C.); (S.K.); (P.L.)
- Institute of Experimental Medicine c/o German Naval Medical Institute, Carl-Albrechts University of Kiel, 24119 Kronshagen, Germany
| | - Sebastian Ullrich
- Institute of Anatomy & Experimental Morphology, University Hospital Hamburg-Eppendorf, University of Hamburg, 20251 Hamburg, Germany;
- Municipal Hospital Kiel, 24116 Kiel, Germany
| | | | - Peter Lamprecht
- Department of Rheumatology & Clinical Immunology, University of Luebeck, 23562 Luebeck, Germany; (B.K.); (A.K.-S.); (S.C.); (S.K.); (P.L.)
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20
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Tang PCT, Chan ASW, Zhang CB, García Córdoba CA, Zhang YY, To KF, Leung KT, Lan HY, Tang PMK. TGF-β1 Signaling: Immune Dynamics of Chronic Kidney Diseases. Front Med (Lausanne) 2021; 8:628519. [PMID: 33718407 PMCID: PMC7948440 DOI: 10.3389/fmed.2021.628519] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/21/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic kidney disease (CKD) is a major cause of morbidity and mortality worldwide, imposing a great burden on the healthcare system. Regrettably, effective CKD therapeutic strategies are yet available due to their elusive pathogenic mechanisms. CKD is featured by progressive inflammation and fibrosis associated with immune cell dysfunction, leading to the formation of an inflammatory microenvironment, which ultimately exacerbating renal fibrosis. Transforming growth factor β1 (TGF-β1) is an indispensable immunoregulator promoting CKD progression by controlling the activation, proliferation, and apoptosis of immunocytes via both canonical and non-canonical pathways. More importantly, recent studies have uncovered a new mechanism of TGF-β1 for de novo generation of myofibroblast via macrophage-myofibroblast transition (MMT). This review will update the versatile roles of TGF-β signaling in the dynamics of renal immunity, a better understanding may facilitate the discovery of novel therapeutic strategies against CKD.
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Affiliation(s)
- Philip Chiu-Tsun Tang
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Alex Siu-Wing Chan
- Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Cai-Bin Zhang
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Cristina Alexandra García Córdoba
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Ying-Ying Zhang
- Department of Nephrology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ka-Fai To
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Kam-Tong Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Hui-Yao Lan
- Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong.,Guangdong-Hong Kong Joint Laboratory on Immunological and Genetic Kidney Diseases, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Patrick Ming-Kuen Tang
- State Key Laboratory of Translational Oncology, Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, Hong Kong
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21
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Mika B, Pełka M, Tkacz E. Mathematical modeling of the neutrophil production process supported by administration of glycoprotein. Biocybern Biomed Eng 2021. [DOI: 10.1016/j.bbe.2020.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Once upon a Time. J Innate Immun 2020; 12:201-202. [PMID: 32417841 PMCID: PMC7265726 DOI: 10.1159/000508475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/06/2020] [Indexed: 11/22/2022] Open
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23
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Van Hulst G, Batugedara HM, Jorssen J, Louis R, Bureau F, Desmet CJ. Eosinophil diversity in asthma. Biochem Pharmacol 2020; 179:113963. [PMID: 32278006 DOI: 10.1016/j.bcp.2020.113963] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/06/2020] [Indexed: 12/25/2022]
Abstract
Eosinophils are a type of granulated innate immune cells that have long been implicated in a specific type of asthma, referred to as eosinophilic asthma. Several immunotherapeutics that target and deplete eosinophils or limit their numbers are currently widely used and provide improved disease outcome in severe eosinophilic asthma. Current clinical results provide conclusive evidence of a generally detrimental role of eosinophils in asthma. Yet, a small but growing body of reports suggests that eosinophils may be more diverse than currently appreciated. In this review, we explore pre-clinical and clinical evidence that suggests the existence of eosinophil subsets with potentially distinct functional roles in asthma. We conclude by discussing state-of-the-art strategies for deciphering heterogeneity of this complex cell type, and argue this knowledge could translate into the improved personalized treatment of severe eosinophilic asthma.
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Affiliation(s)
- Glenn Van Hulst
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, Liège University, Liège, Belgium; Faculty of Medicine, Liège University, Liège, Belgium
| | - Hashini M Batugedara
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, Liège University, Liège, Belgium
| | - Joseph Jorssen
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, Liège University, Liège, Belgium; Faculty of Medicine, Liège University, Liège, Belgium
| | - Renaud Louis
- Laboratory of Pneumology, GIGA Institute, Liège University, Liège, Belgium; Department of Pulmonary Medicine, Centre Hospitalier Universitaire, Liège, Belgium
| | - Fabrice Bureau
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, Liège University, Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Liège, Belgium; Walloon Excellence in Lifesciences and Biotechnology (WELBIO), Wavres, Belgium
| | - Christophe J Desmet
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, Liège University, Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Liège, Belgium.
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24
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Hudock KM, Collins MS, Imbrogno M, Snowball J, Kramer EL, Brewington JJ, Gollomp K, McCarthy C, Ostmann AJ, Kopras EJ, Davidson CR, Srdiharan A, Arumugam P, Sengupta S, Xu Y, Worthen GS, Trapnell BC, Clancy JP. Neutrophil extracellular traps activate IL-8 and IL-1 expression in human bronchial epithelia. Am J Physiol Lung Cell Mol Physiol 2020; 319:L137-L147. [PMID: 32159969 DOI: 10.1152/ajplung.00144.2019] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Neutrophil extracellular traps (NETs) provide host defense but can contribute to the pathobiology of diverse human diseases. We sought to determine the extent and mechanism by which NETs contribute to human airway cell inflammation. Primary normal human bronchial epithelial cells (HBEs) grown at air-liquid interface and wild-type (wt)CFBE41o- cells (expressing wtCFTR) were exposed to cell-free NETs from unrelated healthy volunteers for 18 h in vitro. Cytokines were measured in the apical supernatant by Luminex, and the effect on the HBE transcriptome was assessed by RNA sequencing. NETs consistently stimulated IL-8, TNF-α, and IL-1α secretion by HBEs from multiple donors, with variable effects on other cytokines (IL-6, G-CSF, and GM-CSF). Expression of HBE RNAs encoding IL-1 family cytokines, particularly IL-36 subfamily members, was increased in response to NETs. NET exposure in the presence of anakinra [recombinant human IL-1 receptor antagonist (rhIL-1RA)] dampened NET-induced changes in IL-8 and TNF-α proteins as well as IL-36α RNA. rhIL-36RA limited the increase in expression of proinflammatory cytokine RNAs in HBEs exposed to NETs. NETs selectively upregulate an IL-1 family cytokine response in HBEs, which enhances IL-8 production and is limited by rhIL-1RA. The present findings describe a unique mechanism by which NETs may contribute to inflammation in human lung disease in vivo. NET-driven IL-1 signaling may represent a novel target for modulating inflammation in diseases characterized by a substantial NET burden.
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Affiliation(s)
- Kristin M Hudock
- Division of Adult Pulmonary & Critical Care Medicine, University of Cincinnati, Cincinnati, Ohio.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Margaret S Collins
- Division of Adult Pulmonary & Critical Care Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Michelle Imbrogno
- Division of Adult Pulmonary & Critical Care Medicine, University of Cincinnati, Cincinnati, Ohio
| | - John Snowball
- Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Elizabeth L Kramer
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - John J Brewington
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Kandace Gollomp
- Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Cormac McCarthy
- Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Alicia J Ostmann
- Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Elizabeth J Kopras
- Division of Adult Pulmonary & Critical Care Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Cynthia R Davidson
- Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Anusha Srdiharan
- Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Paritha Arumugam
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Shaon Sengupta
- Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Yan Xu
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - G Scott Worthen
- Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Bruce C Trapnell
- Division of Adult Pulmonary & Critical Care Medicine, University of Cincinnati, Cincinnati, Ohio.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - John Paul Clancy
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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25
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Herwald H, Egesten A. Serious, Severe, Sepsis. J Innate Immun 2020; 12:129-130. [PMID: 32007993 DOI: 10.1159/000505623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 12/21/2019] [Indexed: 11/19/2022] Open
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26
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Tanner L, Single AB. Animal Models Reflecting Chronic Obstructive Pulmonary Disease and Related Respiratory Disorders: Translating Pre-Clinical Data into Clinical Relevance. J Innate Immun 2019; 12:203-225. [PMID: 31527372 PMCID: PMC7265725 DOI: 10.1159/000502489] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 07/25/2019] [Accepted: 07/25/2019] [Indexed: 12/17/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) affects the lives of an ever-growing number of people worldwide. The lack of understanding surrounding the pathophysiology of the disease and its progression has led to COPD becoming the third leading cause of death worldwide. COPD is incurable, with current treatments only addressing associated symptoms and sometimes slowing its progression, thus highlighting the need to develop novel treatments. However, this has been limited by the lack of experimental standardization within the respiratory disease research area. A lack of coherent animal models that accurately represent all aspects of COPD clinical presentation makes the translation of promising in vitrodata to human clinical trials exceptionally challenging. Here, we review current knowledge within the COPD research field, with a focus on current COPD animal models. Moreover, we include a set of advantages and disadvantages for the selection of pre-clinical models for the identification of novel COPD treatments.
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Affiliation(s)
- Lloyd Tanner
- Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden,
| | - Andrew Bruce Single
- Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
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27
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Skendros P, Papagoras C, Mitroulis I, Ritis K. Autoinflammation: Lessons from the study of familial Mediterranean fever. J Autoimmun 2019; 104:102305. [PMID: 31337526 DOI: 10.1016/j.jaut.2019.102305] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 07/14/2019] [Indexed: 12/16/2022]
Abstract
Autoinflammatory disorders represent a heterogeneous group of systemic inflammatory diseases caused by genetic or acquired defects in key components of the innate immunity. Familial Mediterranean fever (FMF) is the most common among the other clinical phenotypes of the rare hereditary periodic fevers (HPFs) syndromes. FMF is associated with mutations in the MEFV gene encoding pyrin and is characterized by recurrent, often stress-provoked attacks of fever and serositis, but sometimes also by chronic subclinical inflammation. FMF is prevalent in Greece and other countries of the eastern Mediterranean region. Over the last 17 years, our group has focused on FMF as a model suitable for the research on innate immunity and particularly the role of neutrophils. Therefore, the study of Greek patients with FMF has yielded lessons across several levels: the epidemiology of the disease in Greece, the spectrum of its clinical manifestations and potential overlaps with other idiopathic inflammatory conditions, the demonstration of its rather complex and heterogeneous genetic background and the suggestion of a novel mechanism involved in the crosstalk between environmental stress and inflammation. Mechanistically, during FMF attack, neutrophils release chromatin structures called neutrophil extracellular traps (NETs), which are decorated with bioactive IL-1β. REDD1 (regulated in development and DNA damage responses 1), that encodes a stress-related mTOR repressor, has been found to be the most significantly upregulated gene in neutrophils during disease attacks. Upon adrenergic stress, REDD1-induced autophagy triggers a pyrin-driven IL-1β maturation, and the release of IL-1β-bearing NETs. Consequently, not only the mode of action of IL-1β-targeting therapies is explained, but also new treatment prospects emerge with the evaluation of old or the design of new drugs targeting autophagy-induced NETosis. Information gained from FMF studies may subsequently be applied in more complex but still relevant inflammatory conditions, such as adult-onset Still's disease, gout, ulcerative colitis and Behçet's disease.
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Affiliation(s)
- Panagiotis Skendros
- First Department of Internal Medicine and Laboratory of Molecular Hematology, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Charalampos Papagoras
- First Department of Internal Medicine and Laboratory of Molecular Hematology, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Ioannis Mitroulis
- First Department of Internal Medicine and Laboratory of Molecular Hematology, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Konstantinos Ritis
- First Department of Internal Medicine and Laboratory of Molecular Hematology, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece.
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28
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Silvestre-Roig C, Fridlender ZG, Glogauer M, Scapini P. Neutrophil Diversity in Health and Disease. Trends Immunol 2019; 40:565-583. [PMID: 31160207 PMCID: PMC7185435 DOI: 10.1016/j.it.2019.04.012] [Citation(s) in RCA: 288] [Impact Index Per Article: 57.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/26/2019] [Accepted: 04/28/2019] [Indexed: 12/17/2022]
Abstract
New evidence has challenged the outdated dogma that neutrophils are a homogeneous population of short-lived cells. Although neutrophil subpopulations with distinct functions have been reported under homeostatic and pathological conditions, a full understanding of neutrophil heterogeneity and plasticity is currently lacking. We review here current knowledge of neutrophil heterogeneity and diversity, highlighting the need for deep genomic, phenotypic, and functional profiling of the identified neutrophil subpopulations to determine whether these cells truly represent bona fide novel neutrophil subsets. We suggest that progress in understanding neutrophil heterogeneity will allow the identification of clinically relevant neutrophil subpopulations that may be used in the diagnosis of specific diseases and lead to the development of new therapeutic approaches.
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Affiliation(s)
- Carlos Silvestre-Roig
- Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany
| | - Zvi G Fridlender
- Institute of Pulmonary Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Michael Glogauer
- Faculty of Dentistry, University of Toronto, and Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Patrizia Scapini
- Department of Medicine, Section of General Pathology, School of Medicine, University of Verona, Verona, Italy.
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29
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Egesten A, Herwald H. The Extracellular Matrix: Reloaded Revolutions. J Innate Immun 2019; 11:301-302. [PMID: 31167198 DOI: 10.1159/000500357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 04/15/2019] [Indexed: 11/19/2022] Open
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30
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Influence of Interleukin-8 and Neutrophil Extracellular Trap (NET) Formation in the Tumor Microenvironment: Is There a Pathogenic Role? J Immunol Res 2019; 2019:6252138. [PMID: 31093511 PMCID: PMC6481028 DOI: 10.1155/2019/6252138] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 03/28/2019] [Indexed: 02/06/2023] Open
Abstract
In this review, we will highlight several studies that revolve around interleukin-8 (IL-8) and show the multiple facets that could take in the tumor microenvironment. Chemokines that attract neutrophils (to a large extent, IL-8) can have a bimodal behavior inducing the migration of them in the first place and later favoring the formation of NETs in the place of emission focus of the chemokine. Also, this mechanism occurs when neutrophils migrate to tumor cells and where the extrusion of NETs in the tumor is observed. A possible participation of NETs in cancer progression was considered; however, until now, it is difficult to decide if NETosis plays a pro- or antitumor role, although it is necessary to emphasize that there is more experimentation focused on the protumorigenic aspect of the NETs. The formation of NETs has a relevant role in the inhibition of the immune response against the tumor generated by neutrophils and in turn favoring the processes involved in the development of tumor metastasis. It is striking that we do not have more complete information about the effects of circulating chemokines on neutrophils in cancer patients and hence the suitability of this review. No one has observed to date the impact that it could have on other cell populations to inhibit the arrival of neutrophils and the formation/elimination of NETs. However, the extent to which NETs affect the function of other cells of the immune system in the tumor context has not been directly demonstrated. It is necessary to identify possible combinations of immunotherapy that involve the modulation of neutrophil activity with other strategies (immunomodulatory antibodies or adoptive cell therapy). Therefore, knowing the mechanisms by which tumors take advantage of this ability of neutrophils to form NETs is very important in the search for antitumor therapies and thus be able to take advantage of the possible immunotherapeutic combinations that we currently have in clinical practice.
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