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Wang H, Kim SJ, Lei Y, Wang S, Wang H, Huang H, Zhang H, Tsung A. Neutrophil extracellular traps in homeostasis and disease. Signal Transduct Target Ther 2024; 9:235. [PMID: 39300084 DOI: 10.1038/s41392-024-01933-x] [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: 02/24/2024] [Revised: 06/25/2024] [Accepted: 07/16/2024] [Indexed: 09/22/2024] Open
Abstract
Neutrophil extracellular traps (NETs), crucial in immune defense mechanisms, are renowned for their propensity to expel decondensed chromatin embedded with inflammatory proteins. Our comprehension of NETs in pathogen clearance, immune regulation and disease pathogenesis, has grown significantly in recent years. NETs are not only pivotal in the context of infections but also exhibit significant involvement in sterile inflammation. Evidence suggests that excessive accumulation of NETs can result in vessel occlusion, tissue damage, and prolonged inflammatory responses, thereby contributing to the progression and exacerbation of various pathological states. Nevertheless, NETs exhibit dual functionalities in certain pathological contexts. While NETs may act as autoantigens, aggregated NET complexes can function as inflammatory mediators by degrading proinflammatory cytokines and chemokines. The delineation of molecules and signaling pathways governing NET formation aids in refining our appreciation of NETs' role in immune homeostasis, inflammation, autoimmune diseases, metabolic dysregulation, and cancer. In this comprehensive review, we delve into the multifaceted roles of NETs in both homeostasis and disease, whilst discussing their potential as therapeutic targets. Our aim is to enhance the understanding of the intricate functions of NETs across the spectrum from physiology to pathology.
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Affiliation(s)
- Han Wang
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Susan J Kim
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Yu Lei
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shuhui Wang
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hui Wang
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hai Huang
- Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Hongji Zhang
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, USA.
| | - Allan Tsung
- Department of Surgery, School of Medicine, University of Virginia, Charlottesville, VA, USA.
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Seguí E, Torres JM, Auclin E, Casadevall D, Peiro Carmona S, Aguilar-Company J, García de Herreros M, Gorría T, Laguna JC, Rodríguez M, González A, Epaillard N, Gavira J, Bolaño V, Tapia JC, Tagliamento M, Teixidó C, Arasanz H, Pilotto S, Lopez-Castro R, Mielgo-Rubio X, Urbano C, Recondo G, Diaz Pavon M, Bluthgen MV, Minatta JN, Lupinacci L, Brasó-Maristany F, Prat A, Vlagea A, Mezquita L. The FLARE Score and Circulating Neutrophils in Patients with Cancer and COVID-19 Disease. Cancers (Basel) 2024; 16:2974. [PMID: 39272832 PMCID: PMC11393969 DOI: 10.3390/cancers16172974] [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: 07/12/2024] [Revised: 08/05/2024] [Accepted: 08/22/2024] [Indexed: 09/15/2024] Open
Abstract
PURPOSE Inflammation and neutrophils play a central role in both COVID-19 disease and cancer. We aimed to assess the impact of pre-existing tumor-related inflammation on COVID-19 outcomes in patients with cancer and to elucidate the role of circulating neutrophil subpopulations. METHODS We conducted a multicenter retrospective analysis of 524 patients with cancer and SARS-CoV-2 infection, assessing the relationship between clinical outcomes and circulating inflammatory biomarkers collected before and during COVID-19 infection. Additionally, a single-center prospective cohort study provided data for an exploratory analysis, assessing the immunophenotype of circulating neutrophils and inflammatory cytokines. The primary endpoints were 30-day mortality and the severity of COVID-19 disease. RESULTS Prior to COVID-19, 25% of patients with cancer exhibited elevated dNLR, which increased to 55% at the time of COVID-19 diagnosis. We developed the FLARE score, incorporating both tumor- and infection-induced inflammation, which categorized patients into four prognostic groups. The poor prognostic group had a 30-day mortality rate of 68%, significantly higher than the 23% in the favorable group (p < 0.0001). This score proved to be an independent predictor of early mortality. This prospective analysis revealed a shift towards immature forms of neutrophils and higher IL-6 levels in patients with cancer and severe COVID-19 infection. CONCLUSIONS A pre-existing tumor-induced pro-inflammatory state significantly impacts COVID-19 outcomes in patients with cancer. The FLARE score, derived from circulating inflammatory markers, emerges as an easy-to-use, globally accessible, effective tool for clinicians to identify patients with cancer at heightened risk of severe COVID-19 complications and early mortality who might benefit most from immediate and intensive treatment strategies. Furthermore, our findings underscore the significance of immature neutrophils in the progression of COVID-19 in patients with cancer, advocating for further investigation into how these cells contribute to both cancer and COVID-19 disease.
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Affiliation(s)
- Elia Seguí
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
| | - Juan Manuel Torres
- Department of Immunology, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
| | - Edouard Auclin
- Department of Medical Oncology, Hopital Europeen George Pompidou, AP-HP, Université Paris Cité, 75015 Paris, France
| | - David Casadevall
- Department of Medical Oncology, Hospital del Mar, 08036 Barcelona, Spain
| | - Sara Peiro Carmona
- Department of Immunology, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
| | - Juan Aguilar-Company
- Department of Medical Oncology, Vall d'Hebron University Hospital, 08036 Barcelona, Spain
| | - Marta García de Herreros
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
| | - Teresa Gorría
- Department of Medical Oncology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
| | - Juan Carlos Laguna
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
| | - Marta Rodríguez
- Department of Medical Oncology, Vall d'Hebron University Hospital, 08036 Barcelona, Spain
- Department of Medical Oncology, Parc Taulí Hospital Universitari, 08208 Sabadell, Spain
| | - Azucena González
- Department of Immunology, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
| | - Nicolas Epaillard
- Department of Medical Oncology, Hopital Europeen George Pompidou, AP-HP, Université Paris Cité, 75015 Paris, France
| | - Javier Gavira
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, 08036 Barcelona, Spain
| | - Victor Bolaño
- Department of Immunology, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
| | - Jose C Tapia
- Department of Medical Oncology, Hospital de la Santa Creu i Sant Pau, 08036 Barcelona, Spain
| | - Marco Tagliamento
- Department of Internal Medicine and Medical Specialties, University of Genova, 16126 Genova, Italy
- Academic Medical Oncology Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Cristina Teixidó
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Pathology and CORE Molecular Biology laboratory, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
| | - Hugo Arasanz
- Department of Medical Oncology, Hospital Universitario de Navarra, Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain
| | - Sara Pilotto
- Section of Innovation Biomedicine-Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona and University and Hospital Trust (AOUI) of Verona, 37126 Verona, Italy
| | - Rafael Lopez-Castro
- Department of Medical Oncology, Hospital Clinico Universitario de Valladolid, 47003 Valladolid, Spain
| | - Xabier Mielgo-Rubio
- Department of Medical Oncology, Hospital Universitario Fundación Alcorcon, 28922 Alcorcon, Spain
| | - Cristina Urbano
- Department of Medical Oncology, Hospital General de Granollers, 08402 Granollers, Spain
| | - Gonzalo Recondo
- Department of Medical Oncology, Centro de Educación Médica e Investigaciones Clínicas "Norberto Quirno" (CEMIC), Buenos Aires C1000, Argentina
| | - Mar Diaz Pavon
- Department of Immunology, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
| | | | - José Nicolas Minatta
- Department of Medical Oncology, Hospital Italiano de Buenos Aires, Buenos Aires C1199, Argentina
| | - Lorena Lupinacci
- Department of Medical Oncology, Hospital Italiano de Buenos Aires, Buenos Aires C1199, Argentina
| | - Fara Brasó-Maristany
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
| | - Aleix Prat
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Institute of Oncology (IOB)-Hospital Quirón Salud, 08023 Barcelona, Spain
- Reveal Genomics, 08036 Barcelona, Spain
| | - Alexandru Vlagea
- Department of Immunology, Hospital Clínic de Barcelona, 08036 Barcelona, Spain
| | - Laura Mezquita
- Translational Genomics and Targeted Therapies in Solid Tumors Group, August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Medical Oncology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
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Sun J, Yang F, Zheng Y, Huang C, Fan X, Yang L. Pathogenesis and interaction of neutrophils and extracellular vesicles in noncancer liver diseases. Int Immunopharmacol 2024; 137:112442. [PMID: 38889508 DOI: 10.1016/j.intimp.2024.112442] [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: 02/29/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/20/2024]
Abstract
Liver disease ranks as the eleventh leading cause of mortality, leading to approximately 2 million deaths annually worldwide. Neutrophils are a type of immune cell that are abundant in peripheral blood and play a vital role in innate immunity by quickly reaching the site of liver injury. They exert their influence on liver diseases through autocrine, paracrine, and immunomodulatory mechanisms. Extracellular vesicles, phospholipid bilayer vesicles, transport a variety of substances, such as proteins, nucleic acids, lipids, and pathogenic factors, for intercellular communication. They regulate cell communication and perform their functions by delivering biological information. Current research has revealed the involvement of the interaction between neutrophils and extracellular vesicles in the pathogenesis of liver disease. Moreover, more research has focused on targeting neutrophils as a therapeutic strategy to attenuate disease progression. Therefore, this article summarizes the roles of neutrophils, extracellular vesicles, and their interactions in noncancerous liver diseases.
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Affiliation(s)
- Jie Sun
- Department of Gastroenterology and Hepatology and Laboratory of Gastrointestinal Cancer and Liver Disease, West China Hospital, Sichuan University, Chengdu, China; Medical College, Tibet University, Lhasa, China
| | - Fan Yang
- Department of Gastroenterology and Hepatology and Laboratory of Gastrointestinal Cancer and Liver Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Yanyi Zheng
- Department of Gastroenterology and Hepatology and Laboratory of Gastrointestinal Cancer and Liver Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Chen Huang
- Department of Gastroenterology and Hepatology and Laboratory of Gastrointestinal Cancer and Liver Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoli Fan
- Department of Gastroenterology and Hepatology and Laboratory of Gastrointestinal Cancer and Liver Disease, West China Hospital, Sichuan University, Chengdu, China.
| | - Li Yang
- Department of Gastroenterology and Hepatology and Laboratory of Gastrointestinal Cancer and Liver Disease, West China Hospital, Sichuan University, Chengdu, China.
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Zi SF, Wu XJ, Tang Y, Liang YP, Liu X, Wang L, Li SL, Wu CD, Xu JY, Liu T, Huang W, Xie JF, Liu L, Chao J, Qiu HB. Endothelial Cell-Derived Extracellular Vesicles Promote Aberrant Neutrophil Trafficking and Subsequent Remote Lung Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2400647. [PMID: 39119837 DOI: 10.1002/advs.202400647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 07/18/2024] [Indexed: 08/10/2024]
Abstract
The development of acute respiratory distress syndrome (ARDS) in sepsis is associated with substantial morbidity and mortality. However, the molecular pathogenesis underlying sepsis-induced ARDS remains elusive. Neutrophil heterogeneity and dysfunction contribute to uncontrolled inflammation in patients with ARDS. A specific subset of neutrophils undergoing reverse transendothelial migration (rTEM), which is characterized by an activated phenotype, is implicated in the systemic dissemination of inflammation. Using single-cell RNA sequencing (scRNA-seq), it identified functionally activated neutrophils exhibiting the rTEM phenotype in the lung of a sepsis mouse model using cecal ligation and puncture. The prevalence of neutrophils with the rTEM phenotype is elevated in the blood of patients with sepsis-associated ARDS and is positively correlated with disease severity. Mechanically, scRNA-seq and proteomic analys revealed that inflamed endothelial cell (EC) released extracellular vesicles (EVs) enriched in karyopherin subunit beta-1 (KPNB1), promoting abluminal-to-luminal neutrophil rTEM. Additionally, EC-derived EVs are elevated and positively correlated with the proportion of rTEM neutrophils in clinical sepsis. Collectively, EC-derived EV is identified as a critical regulator of neutrophil rTEM, providing insights into the contribution of rTEM neutrophils to sepsis-associated lung injury.
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Affiliation(s)
- Shuang-Feng Zi
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Xiao-Jing Wu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Ying Tang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Yun-Peng Liang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Xu Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Lu Wang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Song-Li Li
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Chang-De Wu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jing-Yuan Xu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Tao Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
- Department of Biochemistry and Molecular Biology, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Wei Huang
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jian-Feng Xie
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Ling Liu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jie Chao
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
- Department of Physiology, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Hai-Bo Qiu
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
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Bleuzé M, Lehoux M, Auger JP, Gottschalk M, Segura M. The granulocyte colony-stimulating factor produced during Streptococcus suis infection controls neutrophil recruitment in the blood without affecting bacterial clearance. Front Immunol 2024; 15:1403789. [PMID: 39156897 PMCID: PMC11327821 DOI: 10.3389/fimmu.2024.1403789] [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: 03/19/2024] [Accepted: 07/01/2024] [Indexed: 08/20/2024] Open
Abstract
Streptococcus suis causes diseases in pigs and has emerged as a zoonotic agent. When infected, the host develops an exacerbated inflammation that can lead to septic shock and meningitis. Although neutrophils greatly infiltrate the lesions, their dynamics during S. suis infection remain poorly described. Moreover, very few studies reported on the production and role of a key factor in the regulation of neutrophils: the colony-stimulating granulocyte factor (G-CSF). In this study, we characterized the G-CSF-neutrophil axis in the pathogenesis of S. suis induced disease. Using a mouse model of S. suis infection, we first evaluated the recruitment of neutrophils and their activation profile by flow cytometry. We found that infection provokes a massive neutrophil recruitment from the bone marrow to the blood and spleen. In both compartments, neutrophils displayed multiple activation markers. In parallel, we observed high systemic levels of G-CSF, with a peak of production coinciding with that of neutrophil recruitment. We then neutralized the effects of G-CSF and highlighted its role in the release of neutrophils from the bone marrow to the blood. However, it did not affect bacteremia nor the cytokine storm induced by S. suis. In conclusion, systemic G-CSF induces the release of neutrophils from the bone marrow to the blood, but its role in inflammation or bacterial clearance seems to be compensated by unknown factors. A better understanding of the role of neutrophils and inflammatory mediators could lead to better strategies for controlling the infection caused by S. suis.
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Affiliation(s)
| | | | | | | | - Mariela Segura
- Research Group on Infectious Diseases in Production Animals (GREMIP) & Swine and Poultry Infectious Diseases Research Center (CRIPA), Faculty of Veterinary Medicine, University of Montreal, St-Hyacinthe, QC, Canada
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Chen PJ, Chen SH, Chen YL, Wang YH, Lin CY, Chen CH, Tsai YF, Hwang TL. Ribociclib leverages phosphodiesterase 4 inhibition in the treatment of neutrophilic inflammation and acute respiratory distress syndrome. J Adv Res 2024; 62:229-243. [PMID: 38548264 PMCID: PMC11331181 DOI: 10.1016/j.jare.2024.03.019] [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: 11/02/2023] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/01/2024] Open
Abstract
INTRODUCTION Overwhelming neutrophil activation and oxidative stress significantly contribute to acute respiratory distress syndrome (ARDS) pathogenesis. However, the potential of repurposing ribociclib, a cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitor used clinically in cancer treatment, for treating neutrophilic ARDS remains uncertain. This study illustrated the ability and underlying mechanism of ribociclib for treating ARDS and neutrophilic inflammation. METHODS Primary human neutrophils were used to determine the therapeutic effects of ribociclib on respiratory bursts, chemotactic responses, and inflammatory signaling. In vitro and silico analyses were performed to determine the underlying molecular mechanisms. The potential of ribociclib repurposing was evaluated using an in vivo ARDS model in lipopolysaccharide (LPS)-primed mice. RESULTS We found that treatment using ribociclib markedly limited overabundant oxidative stress (reactive oxygen species [ROS]) production and chemotactic responses (integrin levels and adhesion) in activated human neutrophils. Ribociclib was also shown to act as a selective inhibitor of phosphodiesterase 4 (PDE4), thereby promoting the cyclic adenosine monophosphate (cAMP)-protein kinase A (PKA) pathway, leading to the inhibition of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK) phosphorylation, and calcium influx. Notably, prophylactic administration and post-treatment with ribociclib ameliorated neutrophil infiltration, lung inflammation, accumulation of oxidative stress, pulmonary destruction, and mortality in mice with LPS-induced ARDS. CONCLUSION We demonstrated for the first time that ribociclib serves as a novel PDE4 inhibitor for treating neutrophilic inflammation and ARDS. The repurposing ribociclib and targeting neutrophilic PDE4 offer a potential off-label alternative for treating lung lesions and other inflammatory conditions.
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Affiliation(s)
- Po-Jen Chen
- Department of Medical Research, E-Da Hospital, I-Shou University, Kaohsiung 824410, Taiwan; Graduate Institute of Medicine, I-Shou University, Kaohsiung 824410, Taiwan
| | - Shun-Hua Chen
- Departmentof Nursing, Fooyin University, Kaohsiung 831301, Taiwan
| | - Yu-Li Chen
- Research Center for Chinese Herbal Medicine and Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan
| | - Yi-Hsuan Wang
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333324, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 333324, Taiwan
| | - Cheng-Yu Lin
- Department of Pathology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Chun-Hong Chen
- Department of Medical Research, E-Da Hospital, I-Shou University, Kaohsiung 824410, Taiwan
| | - Yung-Fong Tsai
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan 333324, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Tsong-Long Hwang
- Research Center for Chinese Herbal Medicine and Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333324, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 333324, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan.
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Chen SH, Chen CH, Lin HC, Yeh SA, Hwang TL, Chen PJ. Drug repurposing of cyclin-dependent kinase inhibitors for neutrophilic acute respiratory distress syndrome and psoriasis. J Adv Res 2024:S2090-1232(24)00310-2. [PMID: 39089617 DOI: 10.1016/j.jare.2024.07.026] [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: 05/05/2024] [Revised: 07/25/2024] [Accepted: 07/26/2024] [Indexed: 08/04/2024] Open
Abstract
BACKGROUND Neutrophilic inflammation, characterized by dysregulated neutrophil activation, triggers a variety of inflammatory responses such as chemotactic infiltration, oxidative bursts, degranulation, neutrophil extracellular traps (NETs) formation, and delayed turnover. This type of inflammation is pivotal in the pathogenesis of acute respiratory distress syndrome (ARDS) and psoriasis. Despite current treatments, managing neutrophil-associated inflammatory symptoms remains a significant challenge. AIM OF REVIEW This review emphasizes the role of cyclin-dependent kinases (CDKs) in neutrophil activation and inflammation. It aims to highlight the therapeutic potential of repurposing CDK inhibitors to manage neutrophilic inflammation, particularly in ARDS and psoriasis. Additionally, it discusses the necessary precautions for the clinical application of these inhibitors due to potential off-target effects and the need for dose optimization. KEY SCIENTIFIC CONCEPTS OF REVIEW CDKs regulate key neutrophilic functions, including chemotactic responses, degranulation, NET formation, and apoptosis. Repurposing CDK inhibitors, originally developed for cancer treatment, shows promise in controlling neutrophilic inflammation. Clinical anticancer drugs, palbociclib and ribociclib, have demonstrated efficacy in treating neutrophilic ARDS and psoriasis by targeting off-label pathways, phosphoinositide 3-kinase (PI3K) and phosphodiesterase 4 (PDE4), respectively. While CDK inhibitors offer promising therapeutic benefits, their clinical repurposing requires careful consideration of off-target effects and dose optimization. Further exploration and clinical trials are necessary to ensure their safety and efficacy in treating inflammatory conditions.
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Affiliation(s)
- Shun-Hua Chen
- School of Nursing, Fooyin University, Kaohsiung 831301, Taiwan.
| | - Chun-Hong Chen
- Department of Medical Research, E-Da Hospital, I-Shou University, Kaohsiung 824410, Taiwan.
| | - Hsin-Chieh Lin
- Department of Chinese Medicine, E-Da Cancer Hospital, I-Shou University, Kaohsiung 824410, Taiwan; School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 824410, Taiwan.
| | - Shyh-An Yeh
- Medical Physics and Informatics Laboratory of Electronic Engineering and Department of Electronic Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan; Department of Medical Imaging and Radiological Sciences, I-Shou University, Kaohsiung 824410, Taiwan; Department of Radiation Oncology, E-Da Hospital, I-Shou University, Kaohsiung 824410, Taiwan.
| | - Tsong-Long Hwang
- Research Center for Chinese Herbal Medicine and Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 333324, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan; Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 333324, Taiwan.
| | - Po-Jen Chen
- Department of Medical Research, E-Da Hospital, I-Shou University, Kaohsiung 824410, Taiwan; Graduate Institute of Medicine, College of Medicine, I-Shou University, Kaohsiung 824410, Taiwan.
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Yin Y, Zeng Z, Wei S, Shen Z, Cong Z, Zhu X. Using the sympathetic system, beta blockers and alpha-2 agonists, to address acute respiratory distress syndrome. Int Immunopharmacol 2024; 139:112670. [PMID: 39018694 DOI: 10.1016/j.intimp.2024.112670] [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: 05/31/2024] [Revised: 07/06/2024] [Accepted: 07/08/2024] [Indexed: 07/19/2024]
Abstract
Acute Respiratory Distress Syndrome (ARDS) manifests as an acute inflammatory lung injury characterized by persistent hypoxemia, featuring a swift onset, high mortality, and predominantly supportive care as the current therapeutic approach, while effective treatments remain an area of active investigation. Adrenergic receptors (AR) play a pivotal role as stress hormone receptors, extensively participating in various inflammatory processes by initiating downstream signaling pathways. Advancements in molecular biology and pharmacology continually unveil the physiological significance of distinct AR subtypes. Interventions targeting these subtypes have the potential to induce specific alterations in cellular and organismal functions, presenting a promising avenue as a therapeutic target for managing ARDS. This article elucidates the pathogenesis of ARDS and the basic structure and function of AR. It also explores the relationship between AR and ARDS from the perspective of different AR subtypes, aiming to provide new insights for the improvement of ARDS.
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Affiliation(s)
- Yiyuan Yin
- Department of Intensive Care Unit, Peking University Third Hospital, Beijing, China
| | - Zhaojin Zeng
- Department of Intensive Care Unit, Peking University Third Hospital, Beijing, China
| | - Senhao Wei
- Department of Intensive Care Unit, Peking University Third Hospital, Beijing, China
| | - Ziyuan Shen
- Department of Anaesthesiology, Peking University Third Hospital, Beijing, China
| | - Zhukai Cong
- Department of Anaesthesiology, Peking University Third Hospital, Beijing, China.
| | - Xi Zhu
- Department of Intensive Care Unit, Peking University Third Hospital, Beijing, China.
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Zwick A, Braun FL, Weber LJ, Linder M, Linxweiler M, Lohse S. Engineering Dimeric EGFR-directed IgA Antibodies Reveals a Central Role of CD147 during Neutrophil-mediated Tumor Cell Killing of Head and Neck Squamous Cancer Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:148-160. [PMID: 38787053 DOI: 10.4049/jimmunol.2300544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 04/18/2024] [Indexed: 05/25/2024]
Abstract
Human IgA Abs engage neutrophils for cancer immunotherapy more effectively than IgG Abs. Previous studies demonstrated that engineering approaches improved biochemical and functional properties. In this study, we report a novel, to our knowledge, IgA2 Ab against the epidermal growth factor receptor generated by protein engineering and polymerization. The resulting molecule demonstrated a covalent linkage of L and H chains and an effective polymerization by the joining chain. The engineered dimer outperformed its monomeric variant in functional experiments on Fab-mediated modes of action and binding to the Fc receptor. The capacity to engage neutrophils for Ab-dependent cell-mediated cytotoxicity (ADCC) of adherent growing target cancer cells was cell line dependent. Although the engineered dimer displayed a long-term efficacy against the vulva carcinoma cell line A431, there was a notable in-efficacy against human papillomavirus (HPV)- head and neck squamous cell carcinoma (HNSCC) cell lines. However, the highly engineered IgA Abs triggered a neutrophil-mediated cytotoxicity against HPV+ HNSCC cell lines. Short-term ADCC efficacy correlated with the target cells' epidermal growth factor receptor expression and the ability of cancer cell-conditioned media to enhance the CD147 surface level on neutrophils. Notably, the HPV+ HNSCC cell lines demonstrated a significant increment in releasing soluble CD147 and a reduced induction of membranous CD147 on neutrophils compared with HPV- cells. Although membranous CD147 on neutrophils may impair proper IgA-Fc receptor binding, soluble CD147 enhanced the IgA-neutrophil-mediated ADCC in a dose-dependent manner. Thus, engineering IgA Abs and impedance-based ADCC assays provided valuable information regarding the target-effector cell interaction and identified CD147 as a putative critical parameter for neutrophil-mediated cytotoxicity.
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Affiliation(s)
- Anabel Zwick
- Institute of Virology, Saarland University Medical Center, Homburg, Germany
| | - Felix Leon Braun
- Institute of Virology, Saarland University Medical Center, Homburg, Germany
- Department of Otorhinolaryngology, Head and Neck Surgery; Saarland University Medical Center, Homburg/Saar, Germany
| | | | - Manuel Linder
- Institute of Virology, Saarland University Medical Center, Homburg, Germany
| | - Maximilian Linxweiler
- Department of Otorhinolaryngology, Head and Neck Surgery; Saarland University Medical Center, Homburg/Saar, Germany
| | - Stefan Lohse
- Institute of Virology, Saarland University Medical Center, Homburg, Germany
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10
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Chen Y, Lu C, Huang J, Li L, Yang Y, Shao Y, Liu L, Sun B. Characteristics of Neonatal Sepsis and Predictive Values of Polyfunctional Assessment of Umbilical Cord Neutrophils Based on Single Cell Proteomic Secretion. Inflammation 2024:10.1007/s10753-024-02095-2. [PMID: 38976117 DOI: 10.1007/s10753-024-02095-2] [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: 02/15/2024] [Revised: 05/04/2024] [Accepted: 06/27/2024] [Indexed: 07/09/2024]
Abstract
The early diagnosis of neonatal sepsis is crucial as it remains a prevalent cause of neonatal mortality. In this study, we conducted an analysis on the clinical data and detection indicators of 22 cases with sepsis and 62 cases without sepsis among neonates. Our findings indicate that the clinical signs observed in neonates with sepsis lack specificity. In addition, the commonly used clinical inflammatory indicators (such as leukocyte count, neutrophil-to-lymphocyte ratio [NLR], C-reactive protein [CRP], procalcitonin) exhibit limited sensitivity and specificity. Furthermore, the current clinical measures lack the assessment of inflammatory factors. Therefore, in order to enhance the accuracy of early sepsis diagnosis in neonates, we have employed a novel microfluidic-based single-cell technology platform for the analysis of 32 cytokines secreted by neutrophils at the individual cell level under various toxin stimulation conditions. We have further investigated and compared the disparities in single-cell protein secretomics between umbilical cord blood neutrophils and healthy adult peripheral neutrophils within an in vitro sepsis model. Our findings indicate that in a resting state UCB neutrophils exhibited lower polyfunctionality compared with healthy adult blood neutrophils, and notable variations in cytokine secretion profiles were detected between the two groups. However, the polyfunctionality of UCB neutrophils significantly increased and surpassed that of healthy adult neutrophils when exposed to alpha-hemolysin or lipopolysaccharide. UCB neutrophils secreted a wide range of chemokines and inflammatory factors, among which GM-CSF and IL-18 were the most significant. Furthermore, we initially categorized the functional subgroups of neutrophils by considering the secretion of five primary cytokines by neutrophils (GM-CSF, IL-18, IL-8, MIP-1β, and MIF). The current study, for the first time, examined in detail the heterogeneity of protein secretion and the functional diversity of UCB neutrophils stimulated by different antigens. Moreover, new insight into neonatal sepsis, early diagnosis, and wider clinical applications of UCB neutrophils are provided by these data.
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Affiliation(s)
- Yi Chen
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Department of Burns and Plastic Surgery, Affiliated Huaian No.1 People's Hospital, Nanjing Medical University, Huai'an, China
| | - Cheng Lu
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Jiamin Huang
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Linbin Li
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Yunxi Yang
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Yiming Shao
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jining Medical University, Jining, China
| | - Lu Liu
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Bingwei Sun
- Research Center for Neutrophil Engineering Technology, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China.
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11
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Mousset A, Bellone L, Gaggioli C, Albrengues J. NETscape or NEThance: tailoring anti-cancer therapy. Trends Cancer 2024; 10:655-667. [PMID: 38664080 DOI: 10.1016/j.trecan.2024.03.007] [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: 01/12/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 07/12/2024]
Abstract
Neutrophils, major regulators of innate immunity, have recently emerged as key components of the tumor microenvironment. The role of neutrophils in cancer has been linked to their ability to form neutrophil extracellular traps (NETs), structures composed of decondensed DNA decorated with enzymes that are released into the extracellular space. Here, we discuss the pivotal roles of NETs in influencing responses to anticancer therapies such as chemotherapy, radiotherapy, immunotherapy, and targeted therapy. Highlighting recent insights, we delve into the dual nature of NETs in the context of anticancer treatments, examining their potential to either counteract or enhance treatment outcomes. Strategic targeting of NETs may be a promising avenue for crafting combination therapies to counteract resistance or enhance anticancer treatments' efficacy.
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Affiliation(s)
- Alexandra Mousset
- University Côte d'Azur, CNRS UMR7284, INSERM U1081, Institute for Research on Cancer and Aging, Nice (IRCAN), Nice, France
| | - Lola Bellone
- University Côte d'Azur, CNRS UMR7284, INSERM U1081, Institute for Research on Cancer and Aging, Nice (IRCAN), Nice, France
| | - Cedric Gaggioli
- University Côte d'Azur, CNRS UMR7284, INSERM U1081, Institute for Research on Cancer and Aging, Nice (IRCAN), Nice, France
| | - Jean Albrengues
- University Côte d'Azur, CNRS UMR7284, INSERM U1081, Institute for Research on Cancer and Aging, Nice (IRCAN), Nice, France.
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12
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Mousset A, Albrengues J. Neutrophil extracellular traps modulate chemotherapy efficacy and its adverse side effects. Biol Cell 2024; 116:e2400031. [PMID: 38724262 DOI: 10.1111/boc.202400031] [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: 03/11/2024] [Revised: 04/10/2024] [Accepted: 04/17/2024] [Indexed: 07/13/2024]
Abstract
Neutrophils, major regulator of innate immunity have recently emerged as key components of the tumor microenvironment. The role of neutrophils in cancer has been linked to their ability to form neutrophil extracellular traps (NETs), structures composed of decondensed DNA decorated with enzymes that are released into the extracellular space. Here, we discuss the pivotal roles of NETs, in influencing responses to chemotherapy and its severe adverse effect. Highlighting recent insights, we discuss the dual nature of NETs in the context of chemotherapy treatment, examining their potential to either counteract or enhance treatment outcomes. Strategic targeting of NETs emerges as a promising avenue for determining combination therapies that could help counteracting resistance or enhancing chemotherapy efficacy as well as limiting complications due to this type of treatment.
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Affiliation(s)
- Alexandra Mousset
- Institute for Research on Cancer and Aging, University Côte d'Azur, Nice, France
| | - Jean Albrengues
- Institute for Research on Cancer and Aging, University Côte d'Azur, Nice, France
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13
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Burgos J, Benítez-Martínez A, Mancebo C, Massana N, Astorga-Gamaza A, Castellvi J, Landolfi S, Curran A, Garcia-Perez JN, Falcó V, Buzón MJ, Genescà M. Intraepithelial CD15 infiltration identifies high-grade anal dysplasia in people with HIV. JCI Insight 2024; 9:e175251. [PMID: 38900571 PMCID: PMC11383605 DOI: 10.1172/jci.insight.175251] [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: 08/30/2023] [Accepted: 06/13/2024] [Indexed: 06/22/2024] Open
Abstract
Men who have sex with men (MSM) with HIV are at high risk for squamous intraepithelial lesion (SIL) and anal cancer. Identifying local immunological mechanisms involved in the development of anal dysplasia could aid treatment and diagnostics. Here, we studied 111 anal biopsies obtained from 101 MSM with HIV, who participated in an anal screening program. We first assessed multiple immune subsets by flow cytometry, in addition to histological examination, in a discovery cohort. Selected molecules were further evaluated by immunohistochemistry in a validation cohort. Pathological samples were characterized by the presence of resident memory T cells with low expression of CD103 and by changes in natural killer cell subsets, affecting residency and activation. Furthermore, potentially immunosuppressive subsets, including CD15+CD16+ mature neutrophils, gradually increased as the anal lesion progressed. Immunohistochemistry verified the association between the presence of CD15 in the epithelium and SIL diagnosis for the correlation with high-grade SIL. A complex immunological environment with imbalanced proportions of resident effectors and immune-suppressive subsets characterized pathological samples. Neutrophil infiltration, determined by CD15 staining, may represent a valuable pathological marker associated with the grade of dysplasia.
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Affiliation(s)
- Joaquín Burgos
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Aleix Benítez-Martínez
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Cristina Mancebo
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Núria Massana
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Antonio Astorga-Gamaza
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Josep Castellvi
- Pathology Department, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
- Departament de Ciències Morfològiques, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Stefania Landolfi
- Pathology Department, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
- Departament de Ciències Morfològiques, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Adrià Curran
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Jorge N Garcia-Perez
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Vicenç Falcó
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - María J Buzón
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Meritxell Genescà
- Infectious Diseases Department, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
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14
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Nhamoyebonde S, Chambers M, Ndlovu L, Karim F, Mazibuko M, Mhlane Z, Madziwa L, Moosa Y, Moodley S, Hoque M, Leslie A. Detailed phenotyping reveals diverse and highly skewed neutrophil subsets in both the blood and airways during active tuberculosis infection. Front Immunol 2024; 15:1422836. [PMID: 38947330 PMCID: PMC11212598 DOI: 10.3389/fimmu.2024.1422836] [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: 04/24/2024] [Accepted: 05/21/2024] [Indexed: 07/02/2024] Open
Abstract
Introduction Neutrophils play a complex and important role in the immunopathology of TB. Data suggest they are protective during early infection but become a main driver of immunopathology if infection progresses to active disease. Neutrophils are now recognized to exist in functionally diverse states, but little work has been done on how neutrophil states or subsets are skewed in TB disease. Methods To address this, we carried out comprehensive phenotyping by flow cytometry of neutrophils in the blood and airways of individuals with active pulmonary TB with and without HIV co-infection recruited in Durban, South Africa. Results Active TB was associated with a profound skewing of neutrophils in the blood toward phenotypes associated with activation and apoptosis, reduced phagocytosis, reverse transmigration, and immune regulation. This skewing was also apparently in airway neutrophils, particularly the regulatory subsets expressing PDL-1 and LOX-1. HIV co-infection did not impact neutrophil subsets in the blood but was associated with a phenotypic change in the airways and a reduction in key neutrophil functional proteins cathelicidin and arginase 1. Discussion Active TB is associated with profound skewing of blood and airway neutrophils and suggests multiple mechanisms by which neutrophils may exacerbate the immunopathology of TB. These data indicate potential avenues for reducing neutrophil-mediated lung pathology at the point of diagnosis.
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Affiliation(s)
| | - Mark Chambers
- Africa Health Research Institute, Durban, South Africa
| | - Lerato Ndlovu
- Africa Health Research Institute, Durban, South Africa
| | - Farina Karim
- Africa Health Research Institute, Durban, South Africa
| | | | - Zoey Mhlane
- Africa Health Research Institute, Durban, South Africa
| | | | - Yunus Moosa
- Department of Infectious Diseases, Nelson R. Mandela School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
| | | | - Monjurul Hoque
- Department of Infectious Diseases, Nelson R. Mandela School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
| | - Alasdair Leslie
- Africa Health Research Institute, Durban, South Africa
- Department of Infectious Diseases, Nelson R. Mandela School of Clinical Medicine, University of KwaZulu-Natal, Durban, South Africa
- Department of Infection and Immunity, University College London, London, United Kingdom
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15
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Andrews JT, Zhang Z, Prasad GVRK, Huey F, Nazarova EV, Wang J, Ranaraja A, Weinkopff T, Li LX, Mu S, Birrer MJ, Huang SCC, Zhang N, Argüello RJ, Philips JA, Mattila JT, Huang L. Metabolically active neutrophils represent a permissive niche for Mycobacterium tuberculosis. Mucosal Immunol 2024:S1933-0219(24)00048-5. [PMID: 38844208 DOI: 10.1016/j.mucimm.2024.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 05/26/2024] [Accepted: 05/29/2024] [Indexed: 06/09/2024]
Abstract
Mycobacterium tuberculosis (Mtb)-infected neutrophils are often found in the airways of patients with active tuberculosis (TB), and excessive recruitment of neutrophils to the lung is linked to increased bacterial burden and aggravated pathology in TB. The basis for the permissiveness of neutrophils for Mtb and the ability to be pathogenic in TB has been elusive. Here, we identified metabolic and functional features of neutrophils that contribute to their permissiveness in Mtb infection. Using single-cell metabolic and transcriptional analyses, we found that neutrophils in the Mtb-infected lung displayed elevated mitochondrial metabolism, which was largely attributed to the induction of activated neutrophils with enhanced metabolic activities. The activated neutrophil subpopulation was also identified in the lung granulomas from Mtb-infected non-human primates. Functionally, activated neutrophils harbored more viable bacteria and displayed enhanced lipid uptake and accumulation. Surprisingly, we found that interferon-γ promoted the activation of lung neutrophils during Mtb infection. Lastly, perturbation of lipid uptake pathways selectively compromised Mtb survival in activated neutrophils. These findings suggest that neutrophil heterogeneity and metabolic diversity are key to their permissiveness for Mtb and that metabolic pathways in neutrophils represent potential host-directed therapeutics in TB.
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Affiliation(s)
- J Tucker Andrews
- Department of Microbiology and Immunology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Zijing Zhang
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA; Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - G V R Krishna Prasad
- Department of Molecular Microbiology, Washington University School of Medicine, St Louis, MO, USA
| | - Fischer Huey
- Department of Microbiology and Immunology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Evgeniya V Nazarova
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Jocelyn Wang
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Ananya Ranaraja
- Department of Microbiology and Immunology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Tiffany Weinkopff
- Department of Microbiology and Immunology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Lin-Xi Li
- Department of Microbiology and Immunology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Shengyu Mu
- Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Michael J Birrer
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA; Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Stanley Ching-Cheng Huang
- Pelotonia Institute for Immuno-Oncology, The Ohio State University College of Medicine, Columbus, OH, USA; Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Nan Zhang
- Immunology, Metastasis & Microenvironment Program, Ellen and Ronald Caplan Cancer Center, The Wistar Institute, Philadelphia, PA, USA
| | - Rafael J Argüello
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Jennifer A Philips
- Department of Molecular Microbiology, Washington University School of Medicine, St Louis, MO, USA; Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine, St Louis, MO, USA
| | - Joshua T Mattila
- Department of Infectious Diseases and Microbiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lu Huang
- Department of Microbiology and Immunology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
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16
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Chenoweth JG, Colantuoni C, Striegel DA, Genzor P, Brandsma J, Blair PW, Krishnan S, Chiyka E, Fazli M, Mehta R, Considine M, Cope L, Knight AC, Elayadi A, Fox A, Hertzano R, Letizia AG, Owusu-Ofori A, Boakye I, Aduboffour AA, Ansong D, Biney E, Oduro G, Schully KL, Clark DV. Gene expression signatures in blood from a West African sepsis cohort define host response phenotypes. Nat Commun 2024; 15:4606. [PMID: 38816375 PMCID: PMC11139862 DOI: 10.1038/s41467-024-48821-0] [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: 05/12/2023] [Accepted: 05/13/2024] [Indexed: 06/01/2024] Open
Abstract
Our limited understanding of the pathophysiological mechanisms that operate during sepsis is an obstacle to rational treatment and clinical trial design. There is a critical lack of data from low- and middle-income countries where the sepsis burden is increased which inhibits generalized strategies for therapeutic intervention. Here we perform RNA sequencing of whole blood to investigate longitudinal host response to sepsis in a Ghanaian cohort. Data dimensional reduction reveals dynamic gene expression patterns that describe cell type-specific molecular phenotypes including a dysregulated myeloid compartment shared between sepsis and COVID-19. The gene expression signatures reported here define a landscape of host response to sepsis that supports interventions via targeting immunophenotypes to improve outcomes.
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Affiliation(s)
- Josh G Chenoweth
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA.
| | - Carlo Colantuoni
- Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Deborah A Striegel
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Pavol Genzor
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Joost Brandsma
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Paul W Blair
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
- Department of Pathology, Uniformed Services University, Bethesda, MD, USA
| | - Subramaniam Krishnan
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Elizabeth Chiyka
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Mehran Fazli
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Rittal Mehta
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Michael Considine
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
| | - Leslie Cope
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
| | - Audrey C Knight
- Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Anissa Elayadi
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
| | - Anne Fox
- Naval Medical Research Unit EURAFCENT Ghana detachment, Accra, Ghana
| | - Ronna Hertzano
- Section on Omics and Translational Science of Hearing, Neurotology Branch, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, MD, USA
| | - Andrew G Letizia
- Naval Medical Research Unit EURAFCENT Ghana detachment, Accra, Ghana
| | - Alex Owusu-Ofori
- Laboratory Services Directorate, Komfo Anokye Teaching Hospital (KATH), Kumasi, Ghana
- Department of Clinical Microbiology, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
| | - Isaac Boakye
- Research and Development Unit, KATH, Kumasi, Ghana
| | - Albert A Aduboffour
- Laboratory Services Directorate, Komfo Anokye Teaching Hospital (KATH), Kumasi, Ghana
| | - Daniel Ansong
- Child Health Directorate, KATH, Kumasi, Ghana
- Department of Child Health, KNUST, Kumasi, Ghana
| | - Eno Biney
- Accident and Emergency Department, KATH, Kumasi, Ghana
| | - George Oduro
- Accident and Emergency Department, KATH, Kumasi, Ghana
| | - Kevin L Schully
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), Biological Defense Research Directorate, Naval Medical Research Command-Frederick, Ft. Detrick, MD, USA
| | - Danielle V Clark
- Austere environments Consortium for Enhanced Sepsis Outcomes (ACESO), The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, USA
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17
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Wu Y, Yin W, Wen Y, Chen J, Tang H, Ding Y. An early predictive model for Kawasaki disease shock syndrome in children in central China. Front Cardiovasc Med 2024; 11:1405012. [PMID: 38859816 PMCID: PMC11163032 DOI: 10.3389/fcvm.2024.1405012] [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: 03/22/2024] [Accepted: 05/09/2024] [Indexed: 06/12/2024] Open
Abstract
Introduction This study aims to analyze the clinical features of Kawasaki disease (KD) shock syndrome (KDSS) and explore its early predictors. Methods A retrospective case-control study was used to analyze KD cases from February 2016 to October 2023 in our hospital. A total of 28 children with KDSS and 307 children who did not develop KDSS were included according to matching factors. Baseline information, clinical manifestations, and laboratory indicators were compared between the two groups. Indicators of differences were analyzed based on univariate analysis; binary logistic regression analysis was used to identify the risk factors for KDSS, and then receiver operating characteristic analysis was performed to establish a predictive score model for KDSS. Results Elevated neutrophil-to-lymphocyte ratio(NLR) and decreased fibrinogen (FIB) and Na were independent risk factors for KDSS; the scoring of the above risk factors according to the odds ratio value eventually led to the establishment of a new scoring system: NLR ≥ 7.99 (6 points), FIB ≤ 5.415 g/L (1 point), Na ≤ 133.05 mmol/L (3 points), and a total score of ≥3.5 points were high-risk factors for progression to KDSS; otherwise, they were considered to be low-risk factors. Conclusion Children with KD with NLR ≥ 7.99, FIB ≤ 5.415 g/L, and Na ≤ 133.05 mmol/L, and those with two or more of the above risk factors, are more likely to progress to KDSS, which helps in early clinical diagnosis and treatment.
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Affiliation(s)
| | | | | | | | - Hongxia Tang
- Department of Rheumatology and Immunology, Wuhan Children’s Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Yan Ding
- Department of Rheumatology and Immunology, Wuhan Children’s Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
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18
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Suárez JAG, Calumby RJN, Silva DP, Barbosa VT, Maranhão FCA, Moreira IF, Melhem MSC, Moreira RTF. Neonatal innate immunity response in invasive candidiasis. BRAZ J BIOL 2024; 84:e275155. [PMID: 38808781 DOI: 10.1590/1519-6984.275155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 03/18/2024] [Indexed: 05/30/2024] Open
Abstract
Infections caused by Candida spp. are frequent in critically hospitalized patients, especially among premature neonates, representing one of the most common healthcare-related infections. Although there is considerable production of current knowledge about the mechanisms of immune response, aspects involved in the newborn's innate defense are not fully understood. The aim of this study was to describe the innate immune mechanisms involved in the defense of neonates against invasive candidiasis. This is an integrative literature review from the Scopus, Scifinder, Medline, Web of Science databases and the electronic libraries ScienceDirect and Scielo, in the period between 2002 and 2020, with rescue based on primary descriptor Immunity Innate plus secondary descriptors Candidiasis Invasive AND Infant Newborn. We have observed the involvement of various mechanisms in the neonatal response against invasive candidiasis, including the recognition, signaling, recruitment, and initiation of an effective immune response. These mechanisms encompass the presence of antimicrobial peptides, phagocytosis, synthesis of reactive oxygen species, inflammatory mediators, and complex cell signaling systems mediated by Pattern Recognition Receptors (PRRs). With this study, it is expected to contribute to the expansion of knowledge about the immunological mechanisms involved in the innate immune response of the newborn against disseminated infections caused by Candida species, and in the same sense, highlight the importance of this knowledge as a reflex in the decrease in mortality in the neonatal period.
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Affiliation(s)
- J A G Suárez
- Universidade Federal de Ouro Preto - UFOP, Ouro Preto, MG, Brasil
| | - R J N Calumby
- Universidade Federal de Alagoas - UFAL, Campus A. C. Simões, Maceió, AL, Brasil
| | - D P Silva
- Universidade Federal de Alagoas - UFAL, Campus A. C. Simões, Maceió, AL, Brasil
| | - V T Barbosa
- Universidade Federal de Alagoas - UFAL, Campus A. C. Simões, Maceió, AL, Brasil
| | - F C A Maranhão
- Universidade Federal de Alagoas - UFAL, Campus A. C. Simões, Maceió, AL, Brasil
| | - I F Moreira
- Universidade Federal de Alagoas - UFAL, Campus A. C. Simões, Maceió, AL, Brasil
| | - M S C Melhem
- Universidade Federal de Mato Grosso do Sul - UFMS, Faculdade de Medicina, Programa de Pós Graduação em Doenças Infecciosas, Campo Grande, MS, Brasil
| | - R T F Moreira
- Universidade Federal de Alagoas - UFAL, Campus A. C. Simões, Maceió, AL, Brasil
- Universidade Federal de Mato Grosso do Sul - UFMS, Faculdade de Medicina, Programa de Pós Graduação em Doenças Infecciosas, Campo Grande, MS, Brasil
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19
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Sun Z, Lv R, Zhao Y, Cai Z, Si X, Zhang Q, Liu X. Communications between Neutrophil-Endothelial Interaction in Immune Defense against Bacterial Infection. BIOLOGY 2024; 13:374. [PMID: 38927254 PMCID: PMC11200680 DOI: 10.3390/biology13060374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024]
Abstract
The endothelial barrier plays a critical role in immune defense against bacterial infection. Efficient interactions between neutrophils and endothelial cells facilitate the activation of both cell types. However, neutrophil activation can have dual effects, promoting bacterial clearance on one hand while triggering inflammation on the other. In this review, we provide a detailed overview of the cellular defense progression when neutrophils encounter bacteria, focusing specifically on neutrophil-endothelial interactions and endothelial activation or dysfunction. By elucidating the underlying mechanisms of inflammatory pathways, potential therapeutic targets for inflammation caused by endothelial dysfunction may be identified. Overall, our comprehensive understanding of neutrophil-endothelial interactions in modulating innate immunity provides deeper insights into therapeutic strategies for infectious diseases and further promotes the development of antibacterial and anti-inflammatory drugs.
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Affiliation(s)
- Zhigang Sun
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China; (Z.S.); (Y.Z.); (Z.C.); (X.S.)
| | - Ruoyi Lv
- Animal Science and Technology College, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China;
- Beijing Traditional Chinese Veterinary Engineering Center, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China
| | - Yanxin Zhao
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China; (Z.S.); (Y.Z.); (Z.C.); (X.S.)
- Beijing Traditional Chinese Veterinary Engineering Center, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China
| | - Ziwen Cai
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China; (Z.S.); (Y.Z.); (Z.C.); (X.S.)
| | - Xiaohui Si
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China; (Z.S.); (Y.Z.); (Z.C.); (X.S.)
| | - Qian Zhang
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China; (Z.S.); (Y.Z.); (Z.C.); (X.S.)
- Animal Science and Technology College, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China;
| | - Xiaoye Liu
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China; (Z.S.); (Y.Z.); (Z.C.); (X.S.)
- Animal Science and Technology College, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China;
- Beijing Traditional Chinese Veterinary Engineering Center, Beijing University of Agriculture, No. 7 Beinong Road, Changping, Beijing 102206, China
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20
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Huang D, Ran Y, Chen R, He J, Yin N, Qi H. Identification of circRNA Expression Profile and Potential Systemic Immune Imbalance Modulation in Premature Rupture of Membranes. Anal Cell Pathol (Amst) 2024; 2024:6724914. [PMID: 38803428 PMCID: PMC11129912 DOI: 10.1155/2024/6724914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 03/08/2024] [Accepted: 04/10/2024] [Indexed: 05/29/2024] Open
Abstract
Premature rupture of membrane (PROM) refers to the rupture of membranes before the onset of labor which increases the risk of perinatal morbidity and mortality. Recently, circular RNAs (circRNAs) have emerged as promising regulators of diverse diseases. However, the circRNA expression profiles and potential circRNA-miRNA-mRNA regulatory mechanisms in PROM remain enigmatic. In this study, we displayed the expression profiles of circRNAs and mRNAs in plasma and fetal membranes of PROM and normal control (NC) groups based on circRNA microarray, the Gene Expression Omnibus database, and NCBI's Sequence Read Archive. A total of 1,459 differentially expressed circRNAs (DECs) in PROM were identified, with 406 upregulated and 1,053 downregulated. Then, we constructed the circRNA-miRNA-mRNA network in PROM, encompassing 22 circRNA-miRNA pairs and 128 miRNA-mRNA pairs. Based on the analysis of gene ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway and gene set enrichment analysis (GSEA), DECs were implicated in immune-related pathways, with certain alterations persisting even postpartum. Notably, 11 host genes shared by DECs of fetal membrane tissue and prenatal plasma in PROM were significantly implicated in inflammatory processes and extracellular matrix regulation. Our results suggest that structurally stable circRNAs may predispose to PROM by mediating systemic immune imbalances, including peripheral leukocyte disorganization, local immune imbalance at the maternal-fetal interface, and local collagen disruption. This is the first time to decipher a landscape on circRNAs of PROM, reveals the pathogenic cause of PROM from the perspective of circRNA, and opens up a new direction for the diagnosis and treatment of PROM.
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Affiliation(s)
- Dongni Huang
- Women and Children's Hospital of Chongqing Medical University (Chongqing Health Center for Women and Children), Chongqing, China
- Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Yuxin Ran
- Women and Children's Hospital of Chongqing Medical University (Chongqing Health Center for Women and Children), Chongqing, China
- Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Ruixin Chen
- Department of Gynecology and Obstetrics, West China Second Hospital, Sichuan University, Chengdu, China
| | - Jie He
- Women and Children's Hospital of Chongqing Medical University (Chongqing Health Center for Women and Children), Chongqing, China
- Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
| | - Nanlin Yin
- Center for Reproductive Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hongbo Qi
- Women and Children's Hospital of Chongqing Medical University (Chongqing Health Center for Women and Children), Chongqing, China
- Chongqing Key Laboratory of Maternal and Fetal Medicine, Chongqing Medical University, Chongqing, China
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21
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Zhu M, Wang S, Qu K, Lu F, Kou M, Yao Y, Zhu T, Yu Y, Wang L, Yan C. The trogocytosis of neutrophils on initial transplanted tumor in mice. iScience 2024; 27:109661. [PMID: 38650980 PMCID: PMC11033691 DOI: 10.1016/j.isci.2024.109661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 01/29/2024] [Accepted: 04/01/2024] [Indexed: 04/25/2024] Open
Abstract
The role of neutrophils in tumor initiation stage is rarely reported because of the lack of suitable models. We found that neutrophils recruited in early tumor nodules induced by subcutaneous inoculation of B16 melanoma cells were able to attack tumor cells by trogocytosis. The anti-tumor immunotherapy like peritoneal injection with TLR9 agonist CpG oligodeoxynucleotide combined with transforming growth factor β2 inhibitor TIO3 could increase the trogocytic neutrophils in the nodules, as well as CD8+ T cells, natural killer (NK) cells, and their interferon-γ production. Local use of Cxcl2 small interfering RNA significantly reduced the number of neutrophils and trogocytic neutrophils in tumor nodules, as well as CD8+ T and NK cells, and also enlarged the nodules. These results suggest that neutrophils recruited early to the inoculation site of tumor cells are conducive to the establishment of anti-tumor immune microenvironment. Our findings provide a useful model system for studying the effect of neutrophils on tumors and anti-tumor immunotherapy.
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Affiliation(s)
- Mengru Zhu
- Department of Neonatology and Institute of Pediatrics, Children’s Medical Center, First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Shengnan Wang
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Kuo Qu
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Feiyu Lu
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
- Department of Pediatric Endocrinology, Children’s Medical Center, First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Mengyuan Kou
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Yunpeng Yao
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Tong Zhu
- Department of Neonatology and Institute of Pediatrics, Children’s Medical Center, First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Yongli Yu
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Liying Wang
- Department of Neonatology and Institute of Pediatrics, Children’s Medical Center, First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, People’s Republic of China
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, People’s Republic of China
| | - Chaoying Yan
- Department of Neonatology and Institute of Pediatrics, Children’s Medical Center, First Hospital of Jilin University, Jilin University, Changchun, Jilin 130021, People’s Republic of China
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22
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Zhu X, Heng Y, Zhang D, Tang D, Zhou J, Lin H, Ma J, Ding X, Tao L, Lu L. Prognostic significance and immune escape implication of tumor-infiltrating neutrophil plasticity in human head and neck squamous cell carcinoma. Hum Cell 2024; 37:714-728. [PMID: 38358636 DOI: 10.1007/s13577-024-01024-7] [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: 08/20/2023] [Accepted: 12/27/2023] [Indexed: 02/16/2024]
Abstract
Tumor-infiltrating neutrophils play a crucial role in the progression of head and neck squamous cell carcinoma (HNSCC). Here, we aimed to statistically quantify the plasticity of HNSCC-infiltrating N2/N1 neutrophils and examine its impacts on survival and immune infiltration landscape. A retrospective study of 80 patients who underwent curative surgical resection for HNSCC between 2014 and 2017 was conducted in this study. HNSCC-infiltrating neutrophil phenotypes were classified using immunofluorescence staining, and the N2/N1 neutrophil plasticity was evaluated via the ratio of N2/N1 neutrophils. We then assessed the correlations between N2/N1 neutrophil plasticity, clinicopathological characteristics, and immune infiltration landscape using rigorous statistical methods. Infiltration variations of N1 and N2 neutrophils were observed between the tumor nest (TN) and tumor stroma (TS), with TN exhibiting higher N2 neutrophil infiltration and lower N1 neutrophil infiltration. High ratios of N2/N1 neutrophils were correlated with advanced TNM stage, large tumor size and invasion of adjacent tissue. High infiltration of N2 neutrophils was associated with decreased overall and relapse-free survival, which were opposite for N1 neutrophils. The independent prognostic role of N2/N1 neutrophil plasticity, particularly within the TN region, was confirmed by multivariate analyses. Moreover, the ratio of N2/N1 neutrophils within the TN region showed correlations with high CD8+ T cells infiltration and low FOXP3+ Tregs infiltration. We identify HNSCC-infiltrating N2/N1 neutrophil plasticity as a crucial prognostic indictor which potentially reflects the tumor microenvironment (TME) and immune escape landscape within HNSCC tissues. Further investigations and validations may provide novel therapeutic strategies for personalized immunomodulation in HNSCC patients.
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Affiliation(s)
- Xiaoke Zhu
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Yu Heng
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Duo Zhang
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Di Tang
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Jian Zhou
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Hanqing Lin
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Jingyu Ma
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China
| | - Xuping Ding
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, People's Republic of China
| | - Lei Tao
- Department of Otolaryngology, Shanghai Key Clinical Disciplines of Otorhinolaryngology, Eye Ear Nose and Throat Hospital, Fudan University, 83 Fenyang Road, Shanghai, 200031, People's Republic of China.
| | - Liming Lu
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, People's Republic of China.
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23
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Silvestre-Roig C, Brandau S. Controversies associated with the identification of the true origins of human neutrophils. J Leukoc Biol 2024; 115:797-800. [PMID: 38412285 DOI: 10.1093/jleuko/qiae036] [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: 01/04/2024] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/29/2024] Open
Abstract
Discussion on the lineage commitment of early human neutrophil progenitors.
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Affiliation(s)
- Carlos Silvestre-Roig
- Institute of Experimental Pathology (ExPat), Center for Molecular Biology of Inflammation (ZMBE), University of Münster, Von-Esmarch-Straße 56, 48149 Münster, Germany
| | - Sven Brandau
- Experimental and Translational Research, Department of Otorhinolaryngology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany
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24
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Nowaczewska-Kuchta A, Ksiazek-Winiarek D, Szpakowski P, Glabinski A. The Role of Neutrophils in Multiple Sclerosis and Ischemic Stroke. Brain Sci 2024; 14:423. [PMID: 38790402 PMCID: PMC11118671 DOI: 10.3390/brainsci14050423] [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: 03/29/2024] [Revised: 04/19/2024] [Accepted: 04/23/2024] [Indexed: 05/26/2024] Open
Abstract
Inflammation plays an important role in numerous central nervous system (CNS) disorders. Its role is ambiguous-it can induce detrimental effects, as well as repair and recovery. In response to injury or infection, resident CNS cells secrete numerous factors that alter blood-brain barrier (BBB) function and recruit immune cells into the brain, like neutrophils. Their role in the pathophysiology of CNS diseases, like multiple sclerosis (MS) and stroke, is highly recognized. Neutrophils alter BBB permeability and attract other immune cells into the CNS. Previously, neutrophils were considered a homogenous population. Nowadays, it is known that various subtypes of these cells exist, which reveal proinflammatory or immunosuppressive functions. The primary goal of this review was to discuss the current knowledge regarding the important role of neutrophils in MS and stroke development and progression. As the pathogenesis of these two disorders is completely different, it gives the opportunity to get insight into diverse mechanisms of neutrophil involvement in brain pathology. Our understanding of the role of neutrophils in CNS diseases is still evolving as new aspects of their activity are being unraveled. Neutrophil plasticity adds another level to their functional complexity and their importance for CNS pathophysiology.
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Affiliation(s)
| | | | | | - Andrzej Glabinski
- Department of Neurology and Stroke, Medical University of Lodz, ul. Zeromskiego 113, 90-549 Lodz, Poland; (A.N.-K.); (D.K.-W.); (P.S.)
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25
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Cui J, Cai W, Lin J, Zhang L, Miao Y, Xu Y, Zhao W. Monocytic myeloid-derived suppressor cells as an immune indicator of early diagnosis and prognosis in patients with sepsis. BMC Infect Dis 2024; 24:399. [PMID: 38609858 PMCID: PMC11015644 DOI: 10.1186/s12879-024-09290-4] [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: 10/19/2023] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Immunosuppression is a leading cause of septic death. Therefore, it is necessary to search for biomarkers that can evaluate the immune status of patients with sepsis. We assessed the diagnostic and prognostic value of low-density neutrophils (LDNs) and myeloid-derived suppressor cells (MDSCs) subsets in the peripheral blood mononuclear cells (PBMCs) of patients with sepsis. METHODS LDNs and MDSC subsets were compared among 52 inpatients with sepsis, 33 inpatients with infection, and 32 healthy controls to investigate their potential as immune indicators of sepsis. The percentages of LDNs, monocytic MDSCs (M-MDSCs), and polymorphonuclear MDSCs (PMN-MDSCs) in PBMCs were analyzed. Sequential organ failure assessment (SOFA) scores, C-reactive protein (CRP), and procalcitonin (PCT) levels were measured concurrently. RESULTS The percentages of LDNs and MDSC subsets were significantly increased in infection and sepsis as compared to control. MDSCs performed similarly to CRP and PCT in diagnosing infection or sepsis. LDNs and MDSC subsets positively correlated with PCT and CRP levels and showed an upward trend with the number of dysfunctional organs and SOFA score. Non-survivors had elevated M-MDSCs compared with that of patients who survived sepsis within 28 days after enrollment. CONCLUSIONS MDSCs show potential as a diagnostic biomarker comparable to CRP and PCT, in infection and sepsis, even in distinguishing sepsis from infection. M-MDSCs show potential as a prognostic biomarker of sepsis and may be useful to predict 28-day hospital mortality in patients with sepsis.
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Affiliation(s)
- Juanjuan Cui
- Department of Infectious Diseases, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Gusu District, 215006, Suzhou, China
| | - Wen Cai
- Department of Infectious Diseases, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Gusu District, 215006, Suzhou, China
| | - Jing Lin
- Department of Infectious Diseases, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Gusu District, 215006, Suzhou, China
| | - Li Zhang
- Center of Clinical Laboratory, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Gusu District, 215006, Suzhou, China
| | - Youhan Miao
- Department of Infectious Diseases, The Third Affiliated Hospital of Nantong University, No. 60 Qingnian Middle Road, Chongchuan District, 226006, Nantong, China
| | - Ying Xu
- Department of Infectious Diseases, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Gusu District, 215006, Suzhou, China
| | - Weifeng Zhao
- Department of Infectious Diseases, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Gusu District, 215006, Suzhou, China.
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26
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Zhu C, Xu S, Jiang R, Yu Y, Bian J, Zou Z. The gasdermin family: emerging therapeutic targets in diseases. Signal Transduct Target Ther 2024; 9:87. [PMID: 38584157 PMCID: PMC10999458 DOI: 10.1038/s41392-024-01801-8] [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: 01/15/2024] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
The gasdermin (GSDM) family has garnered significant attention for its pivotal role in immunity and disease as a key player in pyroptosis. This recently characterized class of pore-forming effector proteins is pivotal in orchestrating processes such as membrane permeabilization, pyroptosis, and the follow-up inflammatory response, which are crucial self-defense mechanisms against irritants and infections. GSDMs have been implicated in a range of diseases including, but not limited to, sepsis, viral infections, and cancer, either through involvement in pyroptosis or independently of this process. The regulation of GSDM-mediated pyroptosis is gaining recognition as a promising therapeutic strategy for the treatment of various diseases. Current strategies for inhibiting GSDMD primarily involve binding to GSDMD, blocking GSDMD cleavage or inhibiting GSDMD-N-terminal (NT) oligomerization, albeit with some off-target effects. In this review, we delve into the cutting-edge understanding of the interplay between GSDMs and pyroptosis, elucidate the activation mechanisms of GSDMs, explore their associations with a range of diseases, and discuss recent advancements and potential strategies for developing GSDMD inhibitors.
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Affiliation(s)
- Chenglong Zhu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
| | - Sheng Xu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China
| | - Ruoyu Jiang
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Yizhi Yu
- National Key Laboratory of Immunity & Inflammation, Naval Medical University, Shanghai, 200433, China.
| | - Jinjun Bian
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
| | - Zui Zou
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China.
- School of Anesthesiology, Naval Medical University, Shanghai, 200433, China.
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27
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Wang M, Jin Z, Huang H, Cheng X, Zhang Q, Tang Y, Zhu X, Zong Z, Li H, Ning Z. Neutrophil hitchhiking: Riding the drug delivery wave to treat diseases. Drug Dev Res 2024; 85:e22169. [PMID: 38477422 DOI: 10.1002/ddr.22169] [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: 10/08/2023] [Revised: 02/06/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024]
Abstract
Neutrophils are a crucial component of the innate immune system and play a pivotal role in various physiological processes. From a physical perspective, hitchhiking is considered a phenomenon of efficient transportation. The combination of neutrophils and hitchhikers has given rise to effective delivery systems both in vivo and in vitro, thus neutrophils hitchhiking become a novel approach to disease treatment. This article provides an overview of the innovative and feasible application of neutrophils as drug carriers. It explores the mechanisms underlying neutrophil function, elucidates the mechanism of drug delivery mediated by neutrophil-hitchhiking, and discusses the potential applications of this strategy in the treatment of cancer, immune diseases, inflammatory diseases, and other medical conditions.
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Affiliation(s)
- Menghui Wang
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang University, Nanchang, Jiangxi Province, China
- HuanKui Academy, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhenhua Jin
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Haoyu Huang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Xifu Cheng
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Qin Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Ying Tang
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Xiaoping Zhu
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhen Zong
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
| | - Hui Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhikun Ning
- Department of Day Ward, The First Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China
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Zhou M, Liu YWY, He YH, Zhang JY, Guo H, Wang H, Ren JK, Su YX, Yang T, Li JB, He WH, Ma PJ, Mi MT, Dai SS. FOXO1 reshapes neutrophils to aggravate acute brain damage and promote late depression after traumatic brain injury. Mil Med Res 2024; 11:20. [PMID: 38556884 PMCID: PMC10981823 DOI: 10.1186/s40779-024-00523-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 03/13/2024] [Indexed: 04/02/2024] Open
Abstract
BACKGROUND Neutrophils are traditionally viewed as first responders but have a short onset of action in response to traumatic brain injury (TBI). However, the heterogeneity, multifunctionality, and time-dependent modulation of brain damage and outcome mediated by neutrophils after TBI remain poorly understood. METHODS Using the combined single-cell transcriptomics, metabolomics, and proteomics analysis from TBI patients and the TBI mouse model, we investigate a novel neutrophil phenotype and its associated effects on TBI outcome by neurological deficit scoring and behavioral tests. We also characterized the underlying mechanisms both in vitro and in vivo through molecular simulations, signaling detections, gene expression regulation assessments [including dual-luciferase reporter and chromatin immunoprecipitation (ChIP) assays], primary cultures or co-cultures of neutrophils and oligodendrocytes, intracellular iron, and lipid hydroperoxide concentration measurements, as well as forkhead box protein O1 (FOXO1) conditional knockout mice. RESULTS We identified that high expression of the FOXO1 protein was induced in neutrophils after TBI both in TBI patients and the TBI mouse model. Infiltration of these FOXO1high neutrophils in the brain was detected not only in the acute phase but also in the chronic phase post-TBI, aggravating acute brain inflammatory damage and promoting late TBI-induced depression. In the acute stage, FOXO1 upregulated cytoplasmic Versican (VCAN) to interact with the apoptosis regulator B-cell lymphoma-2 (BCL-2)-associated X protein (BAX), suppressing the mitochondrial translocation of BAX, which mediated the antiapoptotic effect companied with enhancing interleukin-6 (IL-6) production of FOXO1high neutrophils. In the chronic stage, the "FOXO1-transferrin receptor (TFRC)" mechanism contributes to FOXO1high neutrophil ferroptosis, disturbing the iron homeostasis of oligodendrocytes and inducing a reduction in myelin basic protein, which contributes to the progression of late depression after TBI. CONCLUSIONS FOXO1high neutrophils represent a novel neutrophil phenotype that emerges in response to acute and chronic TBI, which provides insight into the heterogeneity, reprogramming activity, and versatility of neutrophils in TBI.
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Affiliation(s)
- Mi Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Yang-Wu-Yue Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Yu-Hang He
- Research Center for Nutrition and Food Safety, Chongqing Key Laboratory of Nutrition and Health, Institute of Military Preventive Medicine, Army Medical University, Chongqing, 400038, China
| | - Jing-Yu Zhang
- Department of Neurosurgery, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Hao Guo
- Department of Trauma and Emergency, Southwest Hospital, Army Medical University, Chongqing, 400038, China
| | - Hao Wang
- Department of Neurosurgery, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Jia-Kui Ren
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Yi-Xun Su
- Department of Histology and Embryology, Chongqing Key Laboratory of Neurobiology, Brain and Intelligence Research Key Suyixun Laboratory of Chongqing Education Commission, Army Medical University, Chongqing, 400038, China
- Research Center, Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Teng Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Jia-Bo Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Wen-Hui He
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Peng-Jiao Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China
| | - Man-Tian Mi
- Research Center for Nutrition and Food Safety, Chongqing Key Laboratory of Nutrition and Health, Institute of Military Preventive Medicine, Army Medical University, Chongqing, 400038, China.
| | - Shuang-Shuang Dai
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Army Medical University, Chongqing, 400038, China.
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Miková E, Černý V, Novotná O, Petrásková P, Boráková K, Hel Z, Hrdý J. Immature neutrophils in cord blood exert increased expression of genes associated with antimicrobial function. Front Immunol 2024; 15:1368624. [PMID: 38596677 PMCID: PMC11002259 DOI: 10.3389/fimmu.2024.1368624] [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: 01/10/2024] [Accepted: 03/15/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction The immune systems of both the mother and the newborn face significant challenges during birth. Proper immune regulation after birth is essential for the survival of neonates. Numerous studies have demonstrated that the neonatal immune system is relatively immature, particularly in its adaptive arm, placing the primary responsibility for immune surveillance on innate immunity. Methods Given the significant role of neutrophils in protecting the neonate after birth, we conducted a study investigating the properties of neutrophils in newborn cord blood using various methodological approaches. Results Our findings demonstrate the presence of immature low-density neutrophils in the cord blood, which are likely responsible for the observed elevated expression of genes coding for proteins essential to antimicrobial response, including myeloperoxidase, neutrophils elastase, and defensins. Discussion We propose that these cells function normally and support the protection of newborns early after birth. Furthermore, our results suggest that the mode of delivery might significantly influence the programming of neutrophil function. The presented findings emphasize the importance of distinct neutrophil subpopulations in neonatal immunity and their potential impact on early postnatal health.
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Affiliation(s)
- Eliška Miková
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czechia
| | - Viktor Černý
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czechia
| | - Olga Novotná
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czechia
| | - Petra Petrásková
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czechia
| | - Kristýna Boráková
- Department of Neonatology, Institute for the Care of Mother and Child, Prague, Czechia
| | - Zdenek Hel
- Pathology Department, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jiří Hrdý
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, Prague, Czechia
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Yang Y, Lu C, Li L, Zheng C, Wang Y, Chen J, Sun B. Construction and multicohort validation of a colon cancer prognostic risk score system based on big data of neutrophil-associated differentially expressed genes. J Cancer 2024; 15:2866-2879. [PMID: 38577604 PMCID: PMC10988322 DOI: 10.7150/jca.94560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 03/12/2024] [Indexed: 04/06/2024] Open
Abstract
Objective: To investigate the role of neutrophils in colon cancer progression. Methods: Genetic data from 1,273 patients with colon cancer were procured from public databases and categorized based on genes linked to neutrophils through an unsupervised clustering approach. Through univariate Cox regression analysis, differentially expressed genes (DEGs) influencing overall survival (OS) were identified, forming the basis for establishing a prognostic risk score (PRS) system specific to colon cancer. Additionally, the correlation between PRS and patient prognosis, immune cell infiltration, and intratumoral gene mutations were analyzed. Validation of PRS as an indicator for "pan-tumor" immunotherapy was conducted using four distinct immunotherapy cohorts. Results: The research identified two distinct subtypes of colon cancer, namely Cluster A and B, with patients in Cluster B demonstrating remarkably superior prognoses over those in Cluster A. A total of 17 genes affecting OS were screened based on 109 DEGs between the two cluster for constructing the PRS system. Notably, individuals classified under the high-PRS group (PRShigh) exhibited poorer prognoses, significantly linked with immune cell infiltration, an immunosuppressive tumor microenvironment, and increased genomic mutations. Remarkably, analysis of immunotherapy cohorts indicated that patients with PRShigh exhibited enhanced clinical responses, a higher rate of progression-free events, and improved overall survival post-immunotherapy. The PRS system, developed based on tumor typing utilizing neutrophil-associated genes, exhibited a strong correlation with prognostic elements in colon cancer and emerged as a vital predictor of "pan-tumor" immunotherapy efficacy. Conclusions: PRS serves as a prognostic model for patients with colon cancer and holds the potential to act as a "pan-tumor" universal marker for assessing immunotherapy efficacy across different tumor types. The study findings lay a foundation for novel antitumor strategies centered on neutrophil-focused approaches.
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Affiliation(s)
| | | | | | | | | | | | - Bingwei Sun
- Research Center for Neutrophil Engineering Technology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou 215002, Jiangsu Province, China
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31
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Kaiser R, Gold C, Joppich M, Loew Q, Akhalkatsi A, Mueller TT, Offensperger F, Droste Zu Senden A, Popp O, di Fina L, Knottenberg V, Martinez-Navarro A, Eivers L, Anjum A, Escaig R, Bruns N, Briem E, Dewender R, Muraly A, Akgöl S, Ferraro B, Hoeflinger JKL, Polewka V, Khaled NB, Allgeier J, Tiedt S, Dichgans M, Engelmann B, Enard W, Mertins P, Hubner N, Weckbach L, Zimmer R, Massberg S, Stark K, Nicolai L, Pekayvaz K. Peripheral priming induces plastic transcriptomic and proteomic responses in circulating neutrophils required for pathogen containment. SCIENCE ADVANCES 2024; 10:eadl1710. [PMID: 38517968 DOI: 10.1126/sciadv.adl1710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/16/2024] [Indexed: 03/24/2024]
Abstract
Neutrophils rapidly respond to inflammation and infection, but to which degree their functional trajectories after mobilization from the bone marrow are shaped within the circulation remains vague. Experimental limitations have so far hampered neutrophil research in human disease. Here, using innovative fixation and single-cell-based toolsets, we profile human and murine neutrophil transcriptomes and proteomes during steady state and bacterial infection. We find that peripheral priming of circulating neutrophils leads to dynamic shifts dominated by conserved up-regulation of antimicrobial genes across neutrophil substates, facilitating pathogen containment. We show the TLR4/NF-κB signaling-dependent up-regulation of canonical neutrophil activation markers like CD177/NB-1 during acute inflammation, resulting in functional shifts in vivo. Blocking de novo RNA synthesis in circulating neutrophils abrogates these plastic shifts and prevents the adaptation of antibacterial neutrophil programs by up-regulation of distinct effector molecules upon infection. These data underline transcriptional plasticity as a relevant mechanism of functional neutrophil reprogramming during acute infection to foster bacterial containment within the circulation.
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Affiliation(s)
- Rainer Kaiser
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Christoph Gold
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Markus Joppich
- LFE Bioinformatik, Department of Informatics, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Quentin Loew
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
| | | | - Tonina T Mueller
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
- Vascular Biology and Pathology, Institute of Laboratory Medicine, University Hospital Ludwig-Maximilians University, Munich, Germany
| | - Felix Offensperger
- LFE Bioinformatik, Department of Informatics, Ludwig-Maximilians-Universität München, Munich, Germany
| | | | - Oliver Popp
- Max Delbrück Center for Molecular Medicine (MDC) and Berlin Institute of Health (BIH), Berlin, Germany
| | - Lea di Fina
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | | | | | - Luke Eivers
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
| | - Afra Anjum
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Raphael Escaig
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Nils Bruns
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Eva Briem
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Robin Dewender
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
| | - Abhinaya Muraly
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
| | - Sezer Akgöl
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Bartolo Ferraro
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- Institute of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig Maximilian University Munich, Planegg-Martinsried, Germany
| | - Jonathan K L Hoeflinger
- Vascular Biology and Pathology, Institute of Laboratory Medicine, University Hospital Ludwig-Maximilians University, Munich, Germany
| | - Vivien Polewka
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
| | - Najib Ben Khaled
- Medizinische Klinik und Poliklinik II, University Hospital Ludwig-Maximilian University, Munich, Germany
| | - Julian Allgeier
- Medizinische Klinik und Poliklinik II, University Hospital Ludwig-Maximilian University, Munich, Germany
| | - Steffen Tiedt
- Institute for Stroke and Dementia Research, University Hospital Ludwig-Maximilian University, Munich, Germany
| | - Martin Dichgans
- Institute for Stroke and Dementia Research, University Hospital Ludwig-Maximilian University, Munich, Germany
| | - Bernd Engelmann
- Vascular Biology and Pathology, Institute of Laboratory Medicine, University Hospital Ludwig-Maximilians University, Munich, Germany
| | - Wolfgang Enard
- Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Philipp Mertins
- Max Delbrück Center for Molecular Medicine (MDC) and Berlin Institute of Health (BIH), Berlin, Germany
| | - Norbert Hubner
- Max Delbrück Center for Molecular Medicine (MDC) and Berlin Institute of Health (BIH), Berlin, Germany
- Charite-Universitätsmedizin Berlin, Berlin, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
| | - Ludwig Weckbach
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
- Institute of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig Maximilian University Munich, Planegg-Martinsried, Germany
| | - Ralf Zimmer
- LFE Bioinformatik, Department of Informatics, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Steffen Massberg
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Konstantin Stark
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Leo Nicolai
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Kami Pekayvaz
- Department of Medicine I, LMU University Hospital, LMU Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
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Stott LA, la Rochelle AD, Brown S, Osborne G, Hutchings CJ, Poulter S, Bennett KA, Barnes M. The Neutrophil Dynamic Mass Redistribution Assay as a Medium throughput Primary Cell Screening Assay. J Pharmacol Exp Ther 2024; 389:19-31. [PMID: 37863490 DOI: 10.1124/jpet.123.001787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/29/2023] [Accepted: 09/12/2023] [Indexed: 10/22/2023] Open
Abstract
In a typical G protein coupled receptor drug discovery campaign, an in vitro primary functional screening assay is often established in a recombinant system overexpressing the target of interest, which offers advantages with respect to overall throughput and robustness of compound testing. Subsequently, compounds are then progressed into more physiologically relevant but lower throughput ex vivo primary cell assays and finally in vivo studies. Here we describe a dynamic mass redistribution (DMR) assay that has been developed in a format suitable to support medium throughput drug screening in primary human neutrophils. Neutrophils are known to express both CXC chemokine receptor (CXCR) 1 and CXCR2 that are thought to play significant roles in various inflammatory disorders and cancer. Using multiple relevant chemokine ligands and a range of selective and nonselective small and large molecule antagonists that block CXCR1 and CXCR2 responses, we demonstrate distinct pharmacological profiles in neutrophil DMR from those observed in recombinant assays but predictive of activity in neutrophil chemotaxis and CD11b upregulation, a validated target engagement marker previously used in clinical studies of CXCR2 antagonists. The primary human neutrophil DMR cell system is highly reproducible, robust, and less prone to donor variability observed in CD11b and chemotaxis assays and thus provides a unique, more physiologically relevant, and higher throughput assay to support drug discovery and translation to early clinical trials. SIGNIFICANCE STATEMENT: Neutrophil dynamic mass redistribution assays provide a higher throughput screening assay to profile compounds in primary cells earlier in the screening cascade enabling a higher level of confidence in progressing the development of compounds toward the clinic. This is particularly important for chemokine receptors where redundancy contributes to a lack of correlation between recombinant screening assays and primary cells, with the coexpression of related receptors confounding results.
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Affiliation(s)
- Lisa A Stott
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Armand Drieu la Rochelle
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Susan Brown
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Greg Osborne
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Catherine J Hutchings
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Simon Poulter
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Kirstie A Bennett
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
| | - Matt Barnes
- Sosei Heptares, Steinmetz Building, Granta Park, Cambridge, United Kingdom (L.A.S., A.D.R., S.B., G.O., S.P., K.A.B., M.B.); and Independent Consultant (C.J.H.)
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33
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Thomsen ARB. Label-Free Dynamic Mass Redistribution Assay To Characterize Holistic Chemokine Receptor Pharmacology in Neutrophils. J Pharmacol Exp Ther 2024; 389:15-18. [PMID: 38490722 DOI: 10.1124/jpet.123.001976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 11/08/2023] [Indexed: 03/17/2024] Open
Affiliation(s)
- Alex R B Thomsen
- Department of Molecular Pathobiology and NYU Pain Research Center, New York University College of Dentistry, New York, New York
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Wang J, Cao X. The tumor niche can reprogram long-lived protumorigenic neutrophils. Trends Immunol 2024; 45:155-157. [PMID: 38395739 DOI: 10.1016/j.it.2024.02.001] [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: 02/06/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024]
Abstract
The heterogeneity and plasticity of neutrophils in tumor-host interactions and how tumor signals induce reprogramming of neutrophil subpopulations need further investigation. Ng et al. recently reported that a hypoxic-glycolytic niche in mouse tumors could reprogram mature and immature neutrophils into a long-lived and terminally-differentiated subset, which promoted angiogenesis and tumor growth.
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Affiliation(s)
- Jiaming Wang
- Department of Immunology, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100005, China
| | - Xuetao Cao
- Department of Immunology, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100005, China; Institute of Immunology, College of Life Sciences, Nankai University, Tianjin 300071, China.
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Danne C, Skerniskyte J, Marteyn B, Sokol H. Neutrophils: from IBD to the gut microbiota. Nat Rev Gastroenterol Hepatol 2024; 21:184-197. [PMID: 38110547 DOI: 10.1038/s41575-023-00871-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/10/2023] [Indexed: 12/20/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory condition of the gastrointestinal tract that results from dysfunction in innate and/or adaptive immune responses. Impaired innate immunity, which leads to lack of control of an altered intestinal microbiota and to activation of the adaptive immune system, promotes a secondary inflammatory response that is responsible for tissue damage. Neutrophils are key players in innate immunity in IBD, but their roles have been neglected compared with those of other immune cells. The latest studies on neutrophils in IBD have revealed unexpected complexities, with heterogeneous populations and dual functions, both deleterious and protective, for the host. In parallel, interconnections between disease development, intestinal microbiota and neutrophils have been highlighted. Numerous IBD susceptibility genes (such as NOD2, NCF4, LRRK2, CARD9) are involved in neutrophil functions related to defence against microorganisms. Moreover, severe monogenic diseases involving dysfunctional neutrophils, including chronic granulomatous disease, are characterized by intestinal inflammation that mimics IBD and by alterations in the intestinal microbiota. This observation demonstrates the dialogue between neutrophils, gut inflammation and the microbiota. Neutrophils affect microbiota composition and function in several ways. In return, microbial factors, including metabolites, regulate neutrophil production and function directly and indirectly. It is crucial to further investigate the diverse roles played by neutrophils in host-microbiota interactions, both at steady state and in inflammatory conditions, to develop new IBD therapies. In this Review, we discuss the roles of neutrophils in IBD, in light of emerging evidence proving strong interconnections between neutrophils and the gut microbiota, especially in an inflammatory context.
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Affiliation(s)
- Camille Danne
- Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, Paris, France.
- Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France.
| | - Jurate Skerniskyte
- CNRS, UPR 9002, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire, Architecture et Réactivité de l'ARN, Strasbourg, France
- Institute of Biosciences, Life Sciences Center, Vilnius University, Vilnius, Lithuania
| | - Benoit Marteyn
- CNRS, UPR 9002, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire, Architecture et Réactivité de l'ARN, Strasbourg, France
- University of Strasbourg Institute for Advanced Study (USIAS), Strasbourg, France
- Institut Pasteur, Université de Paris, Inserm 1225 Unité de Pathogenèse des Infections Vasculaires, Paris, France
| | - Harry Sokol
- Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, Paris, France
- Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
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Mondemé M, Zeroual Y, Soulard D, Hennart B, Beury D, Saliou JM, Carnoy C, Sirard JC, Faveeuw C. Amoxicillin treatment of pneumococcal pneumonia impacts bone marrow neutrophil maturation and function. J Leukoc Biol 2024; 115:463-475. [PMID: 37837383 DOI: 10.1093/jleuko/qiad125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/08/2023] [Accepted: 09/26/2023] [Indexed: 10/16/2023] Open
Abstract
Pneumonia caused by Streptococcus pneumoniae is a leading cause of death worldwide. A growing body of evidence indicates that the successful treatment of bacterial infections results from synergy between antibiotic-mediated direct antibacterial activity and the host's immune defenses. However, the mechanisms underlying the protective immune responses induced by amoxicillin, a β-lactam antibiotic used as the first-line treatment of S. pneumoniae infections, have not been characterized. A better understanding of amoxicillin's effects on host-pathogen interactions might facilitate the development of other treatment options. Given the crucial role of neutrophils in the control of S. pneumoniae infections, we decided to investigate amoxicillin's impact on neutrophil development in a mouse model of pneumococcal superinfection. A single therapeutic dose of amoxicillin almost completely eradicated the bacteria and prevented local and systemic inflammatory responses. Interestingly, in this context, amoxicillin treatment did not impair the emergency granulopoiesis triggered in the bone marrow by S. pneumoniae. Importantly, treatment of pneumonia with amoxicillin was associated with a greater mature neutrophil count in the bone marrow; these neutrophils had specific transcriptomic and proteomic profiles. Furthermore, amoxicillin-conditioned, mature neutrophils in the bone marrow had a less activated phenotype and might be rapidly mobilized in peripheral tissues in response to systemic inflammation. Thus, by revealing a novel effect of amoxicillin on the development and functions of bone marrow neutrophils during S. pneumoniae pneumonia, our findings provide new insights into the impact of amoxicillin treatment on host immune responses.
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Affiliation(s)
- Mélanie Mondemé
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59019, France
| | - Yasmine Zeroual
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59019, France
| | - Daphnée Soulard
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59019, France
| | - Benjamin Hennart
- Toxicology and Genopathy Unit, Centre Hospitalier Universitaire de Lille, Lille F-59000, France
| | - Delphine Beury
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, US 41 - UAR 2014 - Plateformes Lilloises de Biologie et Santé, Lille F-59000, France
| | - Jean-Michel Saliou
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, US 41 - UAR 2014 - Plateformes Lilloises de Biologie et Santé, Lille F-59000, France
| | - Christophe Carnoy
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59019, France
| | - Jean-Claude Sirard
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59019, France
| | - Christelle Faveeuw
- Université de Lille, CNRS, Inserm, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59019, France
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Herron ICT, Laws TR, Nelson M. Marmosets as models of infectious diseases. Front Cell Infect Microbiol 2024; 14:1340017. [PMID: 38465237 PMCID: PMC10921895 DOI: 10.3389/fcimb.2024.1340017] [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: 11/17/2023] [Accepted: 01/29/2024] [Indexed: 03/12/2024] Open
Abstract
Animal models of infectious disease often serve a crucial purpose in obtaining licensure of therapeutics and medical countermeasures, particularly in situations where human trials are not feasible, i.e., for those diseases that occur infrequently in the human population. The common marmoset (Callithrix jacchus), a Neotropical new-world (platyrrhines) non-human primate, has gained increasing attention as an animal model for a number of diseases given its small size, availability and evolutionary proximity to humans. This review aims to (i) discuss the pros and cons of the common marmoset as an animal model by providing a brief snapshot of how marmosets are currently utilized in biomedical research, (ii) summarize and evaluate relevant aspects of the marmoset immune system to the study of infectious diseases, (iii) provide a historical backdrop, outlining the significance of infectious diseases and the importance of developing reliable animal models to test novel therapeutics, and (iv) provide a summary of infectious diseases for which a marmoset model exists, followed by an in-depth discussion of the marmoset models of two studied bacterial infectious diseases (tularemia and melioidosis) and one viral infectious disease (viral hepatitis C).
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Affiliation(s)
- Ian C. T. Herron
- CBR Division, Defence Science and Technology Laboratory (Dstl), Salisbury, United Kingdom
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Pettinella F, Mariotti B, Lattanzi C, Bruderek K, Donini M, Costa S, Marini O, Iannoto G, Gasperini S, Caveggion E, Castellucci M, Calzetti F, Bianchetto-Aguilera F, Gardiman E, Giani M, Dusi S, Cantini M, Vassanelli A, Pavone D, Milella M, Pilotto S, Biondani P, Höing B, Schleupner MC, Hussain T, Hadaschik B, Kaspar C, Visco C, Tecchio C, Koenderman L, Bazzoni F, Tamassia N, Brandau S, Cassatella MA, Scapini P. Surface CD52, CD84, and PTGER2 mark mature PMN-MDSCs from cancer patients and G-CSF-treated donors. Cell Rep Med 2024; 5:101380. [PMID: 38242120 PMCID: PMC10897522 DOI: 10.1016/j.xcrm.2023.101380] [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: 03/07/2023] [Revised: 08/11/2023] [Accepted: 12/18/2023] [Indexed: 01/21/2024]
Abstract
Precise molecular characterization of circulating polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs) is hampered by their mixed composition of mature and immature cells and lack of specific markers. Here, we focus on mature CD66b+CD10+CD16+CD11b+ PMN-MDSCs (mPMN-MDSCs) from either cancer patients or healthy donors receiving G-CSF for stem cell mobilization (GDs). By RNA sequencing (RNA-seq) experiments, we report the identification of a distinct gene signature shared by the different mPMN-MDSC populations under investigation, also validated in mPMN-MDSCs from GDs and tumor-associated neutrophils (TANs) by single-cell RNA-seq (scRNA-seq) experiments. Analysis of such a gene signature uncovers a specific transcriptional program associated with mPMN-MDSC differentiation and allows us to identify that, in patients with either solid or hematologic tumors and in GDs, CD52, CD84, and prostaglandin E receptor 2 (PTGER2) represent potential mPMN-MDSC-associated markers. Altogether, our findings indicate that mature PMN-MDSCs distinctively undergo specific reprogramming during differentiation and lay the groundwork for selective immunomonitoring, and eventually targeting, of mature PMN-MDSCs.
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Affiliation(s)
- Francesca Pettinella
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Barbara Mariotti
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Chiara Lattanzi
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Kirsten Bruderek
- Research Division, Department of Otorhinolaryngology, University Hospital Essen, 45122 Essen, Germany
| | - Marta Donini
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Sara Costa
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Olivia Marini
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Giulia Iannoto
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Sara Gasperini
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Elena Caveggion
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | | | - Federica Calzetti
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | | | - Elisa Gardiman
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Matteo Giani
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Stefano Dusi
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Maurizio Cantini
- Transfusion Medicine Department, University and Hospital Trust (AOUI), Verona, Italy
| | - Aurora Vassanelli
- Transfusion Medicine Department, University and Hospital Trust (AOUI), Verona, Italy
| | - Denise Pavone
- Transfusion Medicine Department, University and Hospital Trust (AOUI), Verona, Italy
| | - Michele Milella
- Section of Innovation Biomedicine - Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona, Verona, Italy
| | - Sara Pilotto
- Section of Innovation Biomedicine - Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona, Verona, Italy
| | - Pamela Biondani
- Section of Oncology, University and Hospital Trust (AOUI) of Verona, Verona, Italy
| | - Benedikt Höing
- Department of Otorhinolaryngology, University Hospital Essen, Essen, Germany
| | | | - Timon Hussain
- Department of Otorhinolaryngology, University Hospital Essen, Essen, Germany
| | - Boris Hadaschik
- Department of Urology, University Hospital Essen, Essen, Germany
| | - Cordelia Kaspar
- Department of Urology, University Hospital Essen, Essen, Germany
| | - Carlo Visco
- Section of Hematology and Bone Marrow Transplant Unit, Department of Engineering for Innovation Medicine (DIMI), University of Verona, Verona, Italy
| | - Cristina Tecchio
- Section of Hematology and Bone Marrow Transplant Unit, Department of Engineering for Innovation Medicine (DIMI), University of Verona, Verona, Italy
| | - Leo Koenderman
- Department of Respiratory Medicine and Center for Translational Immunology, University Medical Center Utrecht, 3584CX Utrecht, the Netherlands
| | - Flavia Bazzoni
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Nicola Tamassia
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Sven Brandau
- Research Division, Department of Otorhinolaryngology, University Hospital Essen, 45122 Essen, Germany; German Cancer Consortium, Partner Site Essen-Düsseldorf, Essen, Germany
| | - Marco A Cassatella
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy.
| | - Patrizia Scapini
- Section of General Pathology, Department of Medicine, University of Verona, 37134 Verona, Italy.
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Geara P, Dilworth FJ. Epigenetic integration of signaling from the regenerative environment. Curr Top Dev Biol 2024; 158:341-374. [PMID: 38670712 DOI: 10.1016/bs.ctdb.2024.02.003] [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: 04/28/2024]
Abstract
Skeletal muscle has an extraordinary capacity to regenerate itself after injury due to the presence of tissue-resident muscle stem cells. While these muscle stem cells are the primary contributor to the regenerated myofibers, the process occurs in a regenerative microenvironment where multiple different cell types act in a coordinated manner to clear the damaged myofibers and restore tissue homeostasis. In this regenerative environment, immune cells play a well-characterized role in initiating repair by establishing an inflammatory state that permits the removal of dead cells and necrotic muscle tissue at the injury site. More recently, it has come to be appreciated that the immune cells also play a crucial role in communicating with the stem cells within the regenerative environment to help coordinate the timing of repair events through the secretion of cytokines, chemokines, and growth factors. Evidence also suggests that stem cells can help modulate the extent of the inflammatory response by signaling to the immune cells, demonstrating a cross-talk between the different cells in the regenerative environment. Here, we review the current knowledge on the innate immune response to sterile muscle injury and provide insight into the epigenetic mechanisms used by the cells in the regenerative niche to integrate the cellular cross-talk required for efficient muscle repair.
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Affiliation(s)
- Perla Geara
- Department of Cell and Regenerative Biology, University of Wisconsin, Madison, WI, United States
| | - F Jeffrey Dilworth
- Department of Cell and Regenerative Biology, University of Wisconsin, Madison, WI, United States.
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Schofield CJ, Tirouvanziam R, Garratt LW. OMIP-100: A flow cytometry panel to investigate human neutrophil subsets. Cytometry A 2024; 105:81-87. [PMID: 38179854 DOI: 10.1002/cyto.a.24820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 11/16/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024]
Abstract
This 14-color, 13-antibody optimized multicolor immunofluorescence panel (OMIP) was designed for deep profiling of neutrophil subsets in various types of human samples to contextualize neutrophil plasticity in a range of healthy and diseased states. Markers present in the OMIP allow the profiling of neutrophil subsets associated with ontogeny, migration, phagocytosis capacity, granule release, and immune modulation. For panel design, we ensured that the commonly available fluorophores FITC/AF488, PE, and APC were assigned to the intracellular subset marker Olfactomedin 4, the maturity and activation marker CD10, and whole blood subset marker CD177, respectively. These markers can be easily replaced without affecting the core identification of neutrophils, enabling antibodies to new neutrophil antigens of interest or for fluorescent substrates to assess different neutrophil functions to be easily explored. Panel optimization was performed on whole blood and purified neutrophils. We demonstrate applications on clinical samples (whole blood and saliva) and experimental endpoints (purified neutrophils stimulated through an in vitro transmigration assay). We hope that providing a uniform platform to analyze neutrophil plasticity in various sample types will facilitate the future understanding of neutrophil subsets in health and disease.
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Affiliation(s)
- Craig J Schofield
- Wal-Yan Respiratory Research Centre, Telethon Kids Institute, University of Western Australia, Nedlands, Western Australia, Australia
| | - Rabindra Tirouvanziam
- Department of Pediatrics, Emory University, Atlanta, Georgia, USA
- Center for CF & Airways Disease Research, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Luke W Garratt
- Wal-Yan Respiratory Research Centre, Telethon Kids Institute, University of Western Australia, Nedlands, Western Australia, Australia
- Medical School, University of Western Australia, Crawley, Western Australia, Australia
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Jabrah D, Rossi R, Molina S, Douglas A, Pandit A, McCarthy R, Gilvarry M, Ceder E, Fitzgerald S, Dunker D, Nordanstig A, Redfors P, Tatlisumak T, O'Hare A, Power S, Brennan P, Owens P, Nagy A, Vadász Á, De Meyer SF, Tsivgoulis G, Psychogios K, Szikora I, Jood K, Rentzos A, Thornton J, Doyle K. White blood cell subtypes and neutrophil extracellular traps content as biomarkers for stroke etiology in acute ischemic stroke clots retrieved by mechanical thrombectomy. Thromb Res 2024; 234:1-8. [PMID: 38113606 DOI: 10.1016/j.thromres.2023.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/17/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023]
Abstract
BACKGROUND Lymphocytes, macrophages, neutrophils, and neutrophil extracellular traps (NETs) associate with stroke risk factors and form a thrombus through different mechanisms. We investigated the total WBCs, WBC subtypes and NETs composition in acute ischemic stroke (AIS) clots to identify possible etiological differences that could help us further understand the process of thrombosis that leads to AIS. METHODS AIS clots from 100 cases each of atherothrombotic (AT), cardioembolic (CE) and cryptogenic stroke etiology were collected per-pass as part of the CÚRAM RESTORE registry of AIS clots. Martius Scarlet Blue stain was used to identify the main histological components of the clots. Immunohistochemical staining was used to identify neutrophils, lymphocytes, macrophages, and NETs patterns. The cellular and histological components were quantified using Orbit Image Analysis software. RESULTS AT clots were larger, with more red blood cells and fewer WBCs than CE clots. AT clots had more lymphocytes and cryptogenic clots had fewer macrophages than other etiologies. Most significantly, CE clots showed higher expression of neutrophils and extracellular web-like NETs compared to AT and cryptogenic clots. There was also a significantly higher distribution of web-like NETs around the periphery of the CE clots while a mixed distribution was observed in AT clots. CONCLUSION The difference in neutrophil and NETs expression in clots from different etiologies may provide insight into the mechanism of clot formation.
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Affiliation(s)
- Duaa Jabrah
- Department of Physiology, University of Galway, Galway, Ireland
| | - Rosanna Rossi
- Department of Physiology, University of Galway, Galway, Ireland; CÚRAM-SFI Centre for Research in Medical Devices, University of Galway, Galway, Ireland
| | - Sara Molina
- Department of Physiology, University of Galway, Galway, Ireland; CÚRAM-SFI Centre for Research in Medical Devices, University of Galway, Galway, Ireland
| | - Andrew Douglas
- Department of Physiology, University of Galway, Galway, Ireland
| | - Abhay Pandit
- CÚRAM-SFI Centre for Research in Medical Devices, University of Galway, Galway, Ireland
| | - Ray McCarthy
- Cerenovus, Galway Neuro Technology Centre, Galway, Ireland
| | | | - Eric Ceder
- Department of Interventional and Diagnostic Neuroradiology, Sahlgrenska University Hospital, Institute of Clinical Sciences, Department of Radiology, Sahlgrenska Academy at University of Gothenburg, Sweden
| | - Seán Fitzgerald
- Department of Physiology, University of Galway, Galway, Ireland
| | - Dennis Dunker
- Department of Interventional and Diagnostic Neuroradiology, Sahlgrenska University Hospital, Institute of Clinical Sciences, Department of Radiology, Sahlgrenska Academy at University of Gothenburg, Sweden
| | - Annika Nordanstig
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg and Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Petra Redfors
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg and Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Turgut Tatlisumak
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg and Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Alan O'Hare
- Department of Radiology, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin, Ireland
| | - Sarah Power
- Department of Radiology, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin, Ireland
| | - Paul Brennan
- Department of Radiology, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin, Ireland
| | - Peter Owens
- Centre for Microscopy and Imaging, University of Galway, Galway, Ireland
| | - András Nagy
- Department of Neurointerventions, National Institute of Neurosciences, Budapest, Hungary
| | - Ágnes Vadász
- Department of Neurointerventions, National Institute of Neurosciences, Budapest, Hungary
| | - Simon F De Meyer
- Laboratory for Thrombosis Research, KU Leuven Campus Kulak, Kortrijk, Belgium
| | - Georgios Tsivgoulis
- Second Department of Neurology, National & Kapodistrian University of Athens, "Attikon" University Hospital, Athens, Greece
| | | | - Istvan Szikora
- Department of Neurointerventions, National Institute of Neurosciences, Budapest, Hungary
| | - Katarina Jood
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg and Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Alexandros Rentzos
- Department of Interventional and Diagnostic Neuroradiology, Sahlgrenska University Hospital, Institute of Clinical Sciences, Department of Radiology, Sahlgrenska Academy at University of Gothenburg, Sweden
| | - John Thornton
- Department of Radiology, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin, Ireland
| | - Karen Doyle
- Department of Physiology, University of Galway, Galway, Ireland; CÚRAM-SFI Centre for Research in Medical Devices, University of Galway, Galway, Ireland.
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de Brito Sousa K, Dos Santos Malavazzi TC, Rodrigues MFSD, Silva T, Andreo L, Deana AM, Nunes FD, Bussadori SK, Mesquita-Ferrari RA, Fernandes KPS. Effects of amber LED on inflammatory and regulatory monocytes and lymphocytes. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 251:112848. [PMID: 38266361 DOI: 10.1016/j.jphotobiol.2024.112848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/28/2023] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
The primary objective of the present study was to assess the impact of amber LED photobiomodulation (PBM) on human monocytes and lymphocytes that were polarized into proinflammatory and regulatory/reparative phenotypes. Human leukocytes were polarized with LPS or LPS + IL-4 for 2 h and irradiated after 2 and 6 h with amber LED (590 nm). Cell absorbance spectrum and gene and protein expression of IL-1β, IL-6, IL-10, IL-17, TNF-α and IFNγ determined after 24 h. The results showed that irradiation did not significantly alter absorbance of non-polarized monocytes, whereas irradiated polarized monocytes presented reduction in absorbance in 625-850 nm region. Irradiated monocytes polarized with LPS + IL-4 presented reduction in absorbance in 600-725 nm region compared to non-irradiated group. Irradiated non-polarized lymphocytes presented absorbance peaks between 650 and 820 nm not seen in non-irradiated group. No difference was found in absorbance pattern of polarized lymphocytes after irradiation. Irradiation led to reduction in protein synthesis of IL-6 and TNFα in monocytes polarized to proinflammatory phenotype and increase in production of IL-17 in lymphocytes. Irradiation reduced production of IL-10 in monocytes and lymphocytes polarized to immunoregulatory phenotype. In conclusion, amber LED modulates light absorbance and expression of important cytokines in inflammatory/repair processes in monocytes and lymphocytes.
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Affiliation(s)
- Kaline de Brito Sousa
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil
| | - Tainá Caroline Dos Santos Malavazzi
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil
| | | | - Tamiris Silva
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil
| | - Lucas Andreo
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil
| | - Alessandro Melo Deana
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil
| | - Fabio Daumas Nunes
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo (FOUSP), São Paulo, SP 05508-000 Brazil
| | - Sandra Kalil Bussadori
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil; Postgraduate Program in Rehabilitation Sciences, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, Sao Paulo, SP 01504-001, Brazil
| | - Raquel Agnelli Mesquita-Ferrari
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil; Postgraduate Program in Rehabilitation Sciences, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, Sao Paulo, SP 01504-001, Brazil
| | - Kristianne Porta Santos Fernandes
- Postgraduate Program in Medicine-Biophotonics, Nove de Julho University (UNINOVE), 235/249 Vergueiro Street, Liberdade, São Paulo, SP 01504-001, Brazil.
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Erin N, Akdeniz Ö. ADAM10 and Neprilysin level decreases in immune cells of mice bearing metastatic breast carcinoma: Possible role in cancer inflammatory response. Int Immunopharmacol 2024; 127:111384. [PMID: 38141405 DOI: 10.1016/j.intimp.2023.111384] [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: 10/26/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/25/2023]
Abstract
OBJECTIVE AND DESIGN ADAM10 and Neprilysin, proteases, play critical role in inflammatory disease, however their role in cancer immune response is not clear. We here evaluated changes in immune response using an experimental model for breast cancer. MATERIAL AND METHOD Highly metastatic breast cancer cells (4T1-derived) were injected orthotopically (mammary-pad of Balb-c mice) to induce tumors. Changes in enzyme level and activity as well as alterations in inflammatory cytokine release in the presence or absence of ADAM10 and NEP activity was determined using specific inhibitors and recombinant proteins. Cytokine response was evaluated using mix leucocyte cultures obtained from control and tumor-bearing mice. ANOVA with Dunnett's posttest was used for statistical analysis. RESULTS ADAM10 and NEP expression was decreased markedly in lymph nodes and spleens of tumor-bearing mice. ADAM10 activity was reduced together with apparent alterations of ADAM10 processing. ADAM10 and NEP activity decreased TNF-α, IL-6 and IFN-ɣ secretion. Suppression of these inflammatory cytokines were more prominent in cultures obtained from control mice demonstrating counteracting factors that are exist in tumor-bearing mice. CONCLUSION Loss of ADAM10 and NEP activity in immune cells during breast cancer metastasis might be one of the main factors involved in induction of chronic inflammation by tumors.
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Affiliation(s)
- Nuray Erin
- Akdeniz University, School of Medicine, Department of Medical Pharmacology, Antalya 07070, Turkiye.
| | - Özlem Akdeniz
- Akdeniz University, School of Medicine, Department of Medical Pharmacology, Antalya 07070, Turkiye
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Liu K, Han B. Role of immune cells in the pathogenesis of myocarditis. J Leukoc Biol 2024; 115:253-275. [PMID: 37949833 DOI: 10.1093/jleuko/qiad143] [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: 08/15/2023] [Revised: 10/15/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023] Open
Abstract
Myocarditis is an inflammatory heart disease that mostly affects young people. Myocarditis involves a complex immune network; however, its detailed pathogenesis is currently unclear. The diversity and plasticity of immune cells, either in the peripheral blood or in the heart, have been partially revealed in a number of previous studies involving patients and several kinds of animal models with myocarditis. It is the complexity of immune cells, rather than one cell type that is the culprit. Thus, recognizing the individual intricacies within immune cells in the context of myocarditis pathogenesis and finding the key intersection of the immune network may help in the diagnosis and treatment of this condition. With the vast amount of cell data gained on myocarditis and the recent application of single-cell sequencing, we summarize the multiple functions of currently recognized key immune cells in the pathogenesis of myocarditis to provide an immune background for subsequent investigations.
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Affiliation(s)
- Keyu Liu
- Department of Pediatric Cardiology, Shandong Provincial Hospital, Shandong University, Cheeloo Colledge of Medicine, No. 324 Jingwu Road, 250021, Jinan, China
| | - Bo Han
- Department of Pediatric Cardiology, Shandong Provincial Hospital, Shandong University, Cheeloo Colledge of Medicine, No. 324 Jingwu Road, 250021, Jinan, China
- Department of Pediatric Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324 Jingwu Road, 250021, Jinan, China
- Shandong Provincial Hospital, Shandong Provincial Clinical Research Center for Children' s Health and Disease office, No. 324 Jingwu Road, 250021, Jinan, China
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45
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Rawat S, Kumar S, Duggal S, Banerjee A. Phenotypic alteration by dengue virus serotype 2 delays neutrophil apoptosis and stimulates the release of prosurvival secretome with immunomodulatory functions. J Leukoc Biol 2024; 115:276-292. [PMID: 37890093 DOI: 10.1093/jleuko/qiad133] [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: 04/06/2023] [Revised: 09/29/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Neutrophils are the most abundant granuloytes, are phenotypically heterogeneous, and exert detrimental or protective roles during antiviral response. Dengue virus has been reported to activate neutrophils. However, the effect of the dengue virus on the neutrophil phenotypes, survival, and release of inflammatory secretome is yet to be understood. Herein, we investigated the effect of dengue virus serotype 2 (DV-2) on effector functions of naïve neutrophils and studied the impact of its secretome on different immune cells. We found that DV-2 activates purified human neutrophils and causes a significant shift toward the CD16bright/CD62Ldim subtype in a multiplicity of infection and time-dependent manner. These phenotypically altered neutrophils show delayed apoptosis through nuclear factor κB and PI3K pathways and have decreased phagocytic capacity. Treatment of neutrophils with myeloperoxidase and PAD4 inhibitor before DV-2 incubation significantly reduced DV-2-induced double-stranded DNA release, suggesting that myeloperoxidase and PAD4 were involved at early stages for the neutrophil activation and double-stranded DNA release. We also report that DV-2-stimulated neutrophil secretome had a significant effect on viral infection, platelet activation, and naïve neutrophil survival via binding of tumor necrosis factor α to tumor necrosis factor receptor 1/2 receptors. Furthermore, incubation of endothelial cells with the DV-2-stimulated neutrophil secretome potentially inhibits proliferation and wound healing capacity and induces endothelial cell death, which can contribute to endothelial barrier dysfunction. In conclusion, the neutrophil-DV-2 interaction modulates the phenotype of neutrophils and the release of prosurvival and antiviral secretome that may act as a double-edged sword during dengue pathogenesis.
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Affiliation(s)
- Surender Rawat
- Laboratory of Virology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, 121001, Haryana, India
| | - Shubham Kumar
- Laboratory of Virology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, 121001, Haryana, India
| | - Shweta Duggal
- Laboratory of Virology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, 121001, Haryana, India
| | - Arup Banerjee
- Laboratory of Virology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad, 121001, Haryana, India
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He Y, Qu Y, Jin S, Zhang Y, Qin L. ALDH3A1 upregulation inhibits neutrophils N2 polarization and halts oral cancer growth. Oral Dis 2024. [PMID: 38225738 DOI: 10.1111/odi.14863] [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: 09/19/2023] [Revised: 12/17/2023] [Accepted: 12/29/2023] [Indexed: 01/17/2024]
Abstract
OBJECTIVES Tumor-associated neutrophils (TANs) are among the most abundant inflammatory cells in tumor microenvironment (TME). Aldehyde dehydrogenase 3A1 (ALDH3A1) is significantly reduced in oral squamous cell carcinoma (OSCC), ALDH3A1 overexpression suppresses tumorigenesis by inhibiting inflammation. This study investigated the relationship and mechanisms underlying the crosstalk between ALDH3A1 and TANs in OSCC. MATERIALS AND METHODS Immunohistochemistry and immunofluorescence were performed to investigate the abundance of TANs and the expression of ALDH3A1. dHL-60 were induced with tumor-conditioned media and recombinant IL-6/IL-8. The expression of key proteins in PI3K/AKT/NF-κB pathway were detected by RT-PCR and western blot. A xenograft model was utilized to examine the effect of ALDH3A1 on tumorigenicity and polarization of TANs. RESULTS In patients with OSCC, TANs significantly increased and were associated with a worse prognosis. Additionally, ALDH3A1 negatively correlated with TANs infiltration and especially the N2 phenotype which was the prominent part in OSCC. Furthermore, our study demonstrated that tumor-derived IL-8 drives ALDH3A1-mediated TANs N2 polarization in the TME through PI3K/AKT/NF-κB pathway in vitro and in vivo. CONCLUSION Our results indicate that TANs can serve as a prognostic biomarker and ALDH3A1 could be a promising therapeutic target for regulating TANs N2 polarization in antitumor therapy.
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Affiliation(s)
- Ying He
- Department of Oral and Maxillofacial & Head and Neck Oncology, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Yi Qu
- Department of Oral and Maxillofacial & Head and Neck Oncology, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Shan Jin
- Department of Oral and Maxillofacial & Head and Neck Oncology, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Yongfeng Zhang
- Department of Oral and Maxillofacial & Head and Neck Oncology, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Lizheng Qin
- Department of Oral and Maxillofacial & Head and Neck Oncology, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
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Rong N, Wei X, Liu J. The Role of Neutrophil in COVID-19: Positive or Negative. J Innate Immun 2024; 16:80-95. [PMID: 38224674 PMCID: PMC10861219 DOI: 10.1159/000535541] [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: 09/16/2023] [Accepted: 11/27/2023] [Indexed: 01/17/2024] Open
Abstract
BACKGROUND Neutrophils are the first line of defense against pathogens. They are divided into multiple subpopulations during development and kill pathogens through various mechanisms. Neutrophils are considered one of the markers of severe COVID-19. SUMMARY In-depth research has revealed that neutrophil subpopulations have multiple complex functions. Different subsets of neutrophils play an important role in the progression of COVID-19. KEY MESSAGES In this review, we provide a detailed overview of the developmental processes of neutrophils at different stages and their recruitment and activation after SARS-CoV-2 infection, aiming to elucidate the changes in neutrophil subpopulations, characteristics, and functions after infection and provide a reference for mechanistic research on neutrophil subpopulations in the context of SARS-CoV-2 infection. In addition, we have also summarized research progress on potential targeted drugs for neutrophil immunotherapy, hoping to provide information that aids the development of therapeutic drugs for the clinical treatment of critically ill COVID-19 patients.
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Affiliation(s)
- Na Rong
- NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China,
| | - Xiaohui Wei
- NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Jiangning Liu
- NHC Key Laboratory of Human Disease Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
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Ramos C, Oehler R. Clearance of apoptotic cells by neutrophils in inflammation and cancer. Cell Death Discov 2024; 10:26. [PMID: 38218739 PMCID: PMC10787834 DOI: 10.1038/s41420-024-01809-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 01/15/2024] Open
Abstract
When a cell dies of apoptosis, it is eliminated either by neighbouring cells or by attracted professional phagocytes. Although it was generally believed that neutrophils also have the ability to perform efferocytosis, their contribution to the clearance of apoptotic cells was considered less important compared with macrophages. Therefore, this ability of neutrophils remained unexplored for a long time. Over the past decade, it has been shown that during inflammation, neutrophils contribute significantly to the clearance of apoptotic neutrophils that accumulate in large numbers at the site of tissue damage. This "neutrophil cannibalism" is accompanied by inhibition of pro-inflammatory activities of these cells, such as respiratory burst and formation of neutrophil extracellular traps (NETs). Furthermore, efferocytosing neutrophils secrete anti-inflammatory mediators and mitogens including hepatocyte growth factor (HGF), fibroblast growth factor 2 (FGF2), vascular endothelial growth factors (VEGF), and transforming growth factor beta (TGFβ). Thus, efferocytosis by neutrophils is involved in resolution of inflammation. Recent research indicates that it plays also a role in cancer. Many different solid tumours contain aggregates of dead tumour cells that have undergone spontaneous apoptosis. Their extent correlates with poor clinical outcome in most cancer types. These clusters of apoptotic tumour cells are strongly infiltrated by tumour-associated neutrophils (TANs) that acquired an anti-inflammatory and pro-resolving polarization state. This review summarizes the potential consequences discussed in the current literature. Although the picture of the role of efferocytosis by neutrophils in inflammation and cancer is becoming clearer, many questions are still unexplored.
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Affiliation(s)
- Cristiano Ramos
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Rudolf Oehler
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria.
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Ouyang J, Hong Y, Wan Y, He X, Geng B, Yang X, Xiang J, Cai J, Zeng Z, Liu Z, Peng N, Jiang Y, Liu J. PVB exerts anti-inflammatory effects by inhibiting the activation of MAPK and NF-κB signaling pathways and ROS generation in neutrophils. Int Immunopharmacol 2024; 126:111271. [PMID: 38006749 DOI: 10.1016/j.intimp.2023.111271] [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: 09/12/2023] [Revised: 11/13/2023] [Accepted: 11/17/2023] [Indexed: 11/27/2023]
Abstract
Pinaverium bromide (PVB) has been shown to protect mice against sepsis, which is predominantly attributed to PVB-mediated anti-inflammatory effects by inhibiting primed neutrophils to produce proinflammatory cytokines. However, the underlying mechanism(s) by which PVB affects neutrophils remains unknown. In this study, we report that treatment with PVB either before or after LPS stimulation attenuated IL-1β and TNF-α expression at both mRNA and protein levels in LPS-activated murine neutrophils. Further experiments revealed that PVB inhibited the phosphorylation of ERK, JNK, and IκBα in LPS-stimulated murine neutrophils. Moreover, PVB reduced reactive oxygen species (ROS) levels via regulating NADPH oxidase 2 (NOX2) activity, as represented by inhibiting p47phox translocation from the cytoplasm to the cellular membrane. Importantly, PVB significantly attenuated IL-1β, TNF-α, IL-6, CXCL1 production in both LPS-stimulated low density neutrophils (LDNs) and normal density neutrophils (NDNs) isolated from septic patients. Collectively, we demonstrated that PVB exerts anti-inflammatory effect by attenuating ROS generation and suppressing the activation of MAPK and NF-κB signaling pathways, suggesting that PVB may act as a potential therapeutic agent for sepsis by inhibiting neutrophil priming and activation.
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Affiliation(s)
- Jiafu Ouyang
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Yinghao Hong
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Yantong Wan
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiangyi He
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Bingxuan Geng
- School of the First Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Xinxing Yang
- School of the First Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Jing Xiang
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Junwei Cai
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhenhua Zeng
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhifeng Liu
- Department of Critical Care Medicine, General Hospital of Southern Theater Command, Guangzhou, Guangdong, China
| | - Na Peng
- Department of Emergency Medicine, General Hospital of Southern Theater Command, Guangzhou, Guangdong, China.
| | - Yong Jiang
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China.
| | - Jinghua Liu
- Guangdong Provincial Key Laboratory of Proteomics, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China.
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Hisamune R, Yamakawa K, Kayano K, Ushio N, Wada T, Taniguchi K, Takasu A. Phenotypic changes in immune cells induced by granulocyte and monocyte adsorptive apheresis in patients with severe COVID-19: An ex vivo study. Acute Med Surg 2024; 11:e70003. [PMID: 39211524 PMCID: PMC11359707 DOI: 10.1002/ams2.70003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 05/15/2024] [Accepted: 08/12/2024] [Indexed: 09/04/2024] Open
Abstract
Aims SARS-CoV-2 causes systemic immune dysfunction, leading to severe respiratory dysfunction and multiorgan dysfunction. Granulocyte and monocyte adsorptive apheresis (GMA) therapy is designed to regulate an excessive inflammatory response and has been proposed as a potential therapeutic strategy for coronavirus disease 2019 (COVID-19). We aimed to investigate a targeted subset of granulocytes and monocytes to be removed after GMA therapy in patients with severe COVID-19 infection. Methods We established an ex vivo experimental system to study the effects of GMA. Blood samples were collected into EDTA-treated tubes and a mixture of blood samples and cellulose acetate beads was used in GMA. After GMA, blood samples were removed, and the granulocyte and monocyte subtypes before and after GMA were determined by CyTOF mass cytometry. To analyze mass cytometry data with a self-organizing map, hierarchical clustering was used to determine the appropriate number of metaclusters from t-distributed stochastic neighbor embedding. Results We included seven patients with severe COVID-19 and four age- and sex-matched volunteers. Granulocyte subsets removed by GMA strongly expressed CD11b, CD16, and CD66b, and weakly expressed CD11c, consistent with mature and activated neutrophils. Monocyte subsets strongly expressed CD14, weakly expressed CD33 and CD45RO, and did not express CD16. These subsets were indicated to promote the release of inflammatory cytokines and activate T cells. Conclusions The identification of the granulocyte and monocyte subsets removed after GMA in patients with severe COVID-19 may help explain the potential mechanism underlying the effectiveness of GMA in COVID-19 and other inflammatory diseases.
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Affiliation(s)
- Ryo Hisamune
- Department of Emergency and Critical Care MedicineOsaka Medical and Pharmaceutical UniversityTakatsukiJapan
| | - Kazuma Yamakawa
- Department of Emergency and Critical Care MedicineOsaka Medical and Pharmaceutical UniversityTakatsukiJapan
| | - Katsuhide Kayano
- Department of Emergency and Critical Care MedicineOsaka Medical and Pharmaceutical UniversityTakatsukiJapan
| | - Noritaka Ushio
- Department of Emergency and Critical Care MedicineOsaka Medical and Pharmaceutical UniversityTakatsukiJapan
| | - Takeshi Wada
- Division of Acute and Critical Care Medicine, Department of Anesthesiology and Critical Care MedicineHokkaido University Faculty of MedicineSapporoJapan
| | - Kohei Taniguchi
- Translational Research Program, Department of General and Gastroenterological SurgeryOsaka Medical and Pharmaceutical UniversityTakatsukiJapan
| | - Akira Takasu
- Department of Emergency and Critical Care MedicineOsaka Medical and Pharmaceutical UniversityTakatsukiJapan
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