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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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2
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Kumar S, Dikshit M. Nitric Oxide: Regulation and Function in Neutrophil Immune Responses. Antioxid Redox Signal 2024; 40:998-1024. [PMID: 38251644 DOI: 10.1089/ars.2022.0220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Affiliation(s)
- Sachin Kumar
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Postal Staff College Area, Ghaziabad, India
| | - Madhu Dikshit
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
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3
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Liu C, Yan Z, Zhang X, Xia T, Ashaolu JO, Olatunji OJ, Ashaolu TJ. Food-derived bioactive peptides potentiating therapeutic intervention in rheumatoid arthritis. Heliyon 2024; 10:e31104. [PMID: 38778960 PMCID: PMC11109807 DOI: 10.1016/j.heliyon.2024.e31104] [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: 04/05/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease that affects the joints of the human body and is projected to have a prevalence age-standardized rate of 1.5 million new cases worldwide by 2030. Several conventional and non-conventional preventive and therapeutic interventions have been suggested but they have their side effects including nausea, abdominal pain, liver damage, ulcers, heightened blood pressure, coagulation, and bleeding. Interestingly, several food-derived peptides (FDPs) from both plant and animal sources are increasingly gaining a reputation for their potential in the management or therapy of RA with little or no side effects. In this review, the concept of inflammation, its major types (acute and chronic), and RA identified as a chronic type were discussed based on its pathogenesis and pathophysiology. The conventional treatment options for RA were briefly outlined as the backdrop of introducing the FDPs that potentiate therapeutic effects in the management of RA.
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Affiliation(s)
- Chunhong Liu
- Second People's Hospital of Wuhu City, 241001, Anhui, China
| | - Zheng Yan
- Second People's Hospital of Wuhu City, 241001, Anhui, China
| | - Xiaohai Zhang
- Second People's Hospital of Wuhu City, 241001, Anhui, China
| | - Taibao Xia
- Second People's Hospital of Wuhu City, 241001, Anhui, China
| | - Joseph Opeoluwa Ashaolu
- Department of Public Health, Faculty of Basic Medical Sciences, Redeemers University, PMB 230, Ede, Osun State, Nigeria
| | | | - Tolulope Joshua Ashaolu
- Institute for Global Health Innovations, Duy Tan University, Da Nang, 550000, Viet Nam
- Faculty of Medicine, Duy Tan University, Da Nang, 550000, Viet Nam
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4
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Maretti-Mira AC, Salomon MP, Chopra S, Yuan L, Golden-Mason L. Circulating Neutrophil Profiles Undergo a Dynamic Shift during Metabolic Dysfunction-Associated Steatohepatitis (MASH) Progression. Biomedicines 2024; 12:1105. [PMID: 38791066 PMCID: PMC11117983 DOI: 10.3390/biomedicines12051105] [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: 04/24/2024] [Revised: 05/10/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
Neutrophils play a crucial role in host defense against infection. Aberrant neutrophil activation may induce tissue damage via sterile inflammation. Neutrophil accumulation has been identified as a feature of the inflammatory response observed in metabolic dysfunction-associated steatohepatitis (MASH) and has been associated with liver fibrosis and cirrhosis. Here, we performed the transcriptomic analysis of circulating neutrophils from mild and advanced MASH patients to identify the potential mechanism behind neutrophil contribution to MASH progression. Our findings demonstrated that circulating neutrophils from mild and advanced MASH display an increased activated transcriptional program, with the expression of pro-inflammatory factors and an amplified lifespan compared to cells from non-diseased controls. Our results also suggest that MASH progression is associated with a dynamic shift in the profile of circulating neutrophils. In the early stages of MASH, mature neutrophils predominate in the bloodstream. As hepatic inflammation and fibrosis progress, the premature release of immature neutrophils into the circulation occurs. These immature neutrophils exhibit a pro-inflammatory profile that may exacerbate inflammation and promote fibrosis in MASH.
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Affiliation(s)
- Ana C. Maretti-Mira
- USC Research Center for Liver Diseases, Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; (M.P.S.); (L.Y.); (L.G.-M.)
| | - Matthew P. Salomon
- USC Research Center for Liver Diseases, Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; (M.P.S.); (L.Y.); (L.G.-M.)
| | - Shefali Chopra
- Department of Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA;
| | - Liyun Yuan
- USC Research Center for Liver Diseases, Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; (M.P.S.); (L.Y.); (L.G.-M.)
| | - Lucy Golden-Mason
- USC Research Center for Liver Diseases, Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; (M.P.S.); (L.Y.); (L.G.-M.)
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Mousa AO, Al Hussaini AHA, Hussein HM. The Potential Role of Reactive Oxygen Species Produced by Low-Density Neutrophils in Periodontitis. Eur J Dent 2024. [PMID: 38744332 DOI: 10.1055/s-0044-1782211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024] Open
Abstract
OBJECTIVE Neutrophils own an arsenal of dischargeable chemicals that enable them to handle bacterial challenges, manipulating innate immune response and actual participation in acquired immunity. The reactive oxygen species (ROS) are one of the most important chemicals that neutrophils discharge to eradicate pathogens. Despite their beneficial role, the ROS were strongly correlated to periodontal tissue destruction. Lowdensity neutrophils (LDN) have been recognized for producing enhanced quantities of ROS. However, the potential role of ROS produced by LDN in periodontitis is unknown. The aim of the study was to investigate the impact of ROS produced by LDN in periodontal diseases. MATERIALS AND METHODS Venous blood and periodontal parameters were obtained from 100 systemically healthy subjects divided into 40 participants with healthy periodontium in the control group and 60 with unstable periodontitis in the study group. Flow cytometry was used to measure the production of ROS by LDN in both groups. STATISTICAL ANALYSIS The data were analyzed for normal distribution using the Shapiro-Wilk test at p < 0.05, Spearman's correlations, and Mann-Whitney U test. Statistical analysis was performed in SPSS v25. RESULTS No difference between the groups had been obtained in ROS production by LDN. However, a significant positive correlation existed between ROS and clinical attachment loss in periodontitis. CONCLUSION LDN exhibits the same ROS generation capacity in the control and periodontitis groups.
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Affiliation(s)
- Ali Omran Mousa
- Department of Periodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
| | | | - Hashim Mueen Hussein
- Department of Conservative Dentistry, College of Dentistry, Mustansiriyah University, Baghdad, Iraq
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DaMata JP, Zelkoski AE, Nhan PB, Ennis KHE, Kim JS, Lu Z, Malloy AMW. Dissociation protocols influence the phenotypes of lymphocyte and myeloid cell populations isolated from the neonatal lymph node. Front Immunol 2024; 15:1368118. [PMID: 38756770 PMCID: PMC11097666 DOI: 10.3389/fimmu.2024.1368118] [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: 01/10/2024] [Accepted: 04/18/2024] [Indexed: 05/18/2024] Open
Abstract
Frequencies and phenotypes of immune cells differ between neonates and adults in association with age-specific immune responses. Lymph nodes (LN) are critical tissue sites to quantify and define these differences. Advances in flow cytometry have enabled more multifaceted measurements of complex immune responses. Tissue processing can affect the immune cells under investigation that influence key findings. To understand the impact on immune cells in the LN after processing for single-cell suspension, we compared three dissociation protocols: enzymatic digestion, mechanical dissociation with DNase I treatment, and mechanical dissociation with density gradient separation. We analyzed cell yields, viability, phenotypic and maturation markers of immune cells from the lung-draining LN of neonatal and adult mice two days after intranasal respiratory syncytial virus (RSV) infection. While viability was consistent across age groups, the protocols influenced the yield of subsets defined by important phenotypic and activation markers. Moreover, enzymatic digestion did not show higher overall yields of conventional dendritic cells and macrophages from the LN. Together, our findings show that the three dissociation protocols have similar impacts on the number and viability of cells isolated from the neonatal and adult LN. However, enzymatic digestion impacts the mean fluorescence intensity of key lineage and activation markers that may influence experimental findings.
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Affiliation(s)
- Jarina P. DaMata
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Amanda E. Zelkoski
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
| | - Paula B. Nhan
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Katherine H. E. Ennis
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Ji Sung Kim
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Zhongyan Lu
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Allison M. W. Malloy
- Laboratory of Infectious Diseases and Host Defense, Department of Pediatrics, Uniformed Services University of Health Sciences (USUHS), Bethesda, MD, United States
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7
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Fay M, Clavijo PE, Allen CT. Heterogeneous characterization of neutrophilic cells in head and neck cancers. Head Neck 2024. [PMID: 38622975 DOI: 10.1002/hed.27774] [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: 12/08/2023] [Revised: 03/14/2024] [Accepted: 04/07/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Neutrophilic cells are among the most abundant immune populations within the head and neck tumor microenvironment (TME) and harbor multiple mechanisms of immunosuppression. Despite these important features, neutrophilic cells may be underrepresented in contemporary studies that aim to comprehensively characterize the immune landscape of the TME due to discrepancies in tissue processing and analysis techniques. Here, we review the role of pathologically activated neutrophilic cells within the TME and pitfalls of various approaches used to study their frequency and function in clinical samples. METHODS The literature was identified by searching PubMed for "immune landscape" and "tumor immune microenvironment" in combination with keywords describing solid tumor malignancies. Key publications that assessed the immune composition of solid tumors derived from human specimens were included. The tumor and blood processing methodologies in each study were reviewed in depth and correlated with the reported abundance of neutrophilic cells. RESULTS Neutrophilic cells do not survive cryopreservation, and many studies fail to identify and study neutrophilic cell populations due to cryopreservation of clinical samples for practical reasons. Additional single-cell transcriptomic studies filter out neutrophilic cells due to low transcriptional counts. CONCLUSIONS This report can help readers critically interpret studies aiming to comprehensively study the immune TME that fail to identify and characterize neutrophilic cells.
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Affiliation(s)
- Magdalena Fay
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Paul E Clavijo
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Clint T Allen
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
- Center for Immuno-Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
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8
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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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Colvin KL, Wolter-Warmerdam K, Hickey F, Yeager ME. Altered peripheral blood leukocyte subpopulations, function, and gene expression in children with Down syndrome: implications for respiratory tract infection. Eur J Med Genet 2024; 68:104922. [PMID: 38325643 DOI: 10.1016/j.ejmg.2024.104922] [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: 06/06/2023] [Revised: 12/12/2023] [Accepted: 02/04/2024] [Indexed: 02/09/2024]
Abstract
OBJECTIVES We tested the hypothesis that aberrant expression of Hsa21-encoded interferon genes in peripheral blood immune cells would correlate to immune cell dysfunction in children with Down syndrome (DS). STUDY DESIGN We performed flow cytometry to quantify peripheral blood leukocyte subtypes and measured their ability to migrate and phagocytose. In matched samples, we measured gene expression levels for constituents of interferon signaling pathways. We screened 49 children, of which 29 were individuals with DS. RESULTS We show that the percentages of two peripheral blood myeloid cell subtypes (alternatively-activated macrophages and low-density granulocytes) in children with DS differed significantly from typical children, children with DS circulate a very different pattern of cytokines vs. typical individuals, and higher expression levels of type III interferon receptor Interleukin-10Rb in individuals with DS correlated with reduced migratory and phagocytic capacity of macrophages. CONCLUSIONS Increased susceptibility to severe and chronic infection in children with DS may result from inappropriate numbers and subtypes of immune cells that are phenotypically and functionally altered due to trisomy 21 associated interferonopathy.
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Affiliation(s)
- Kelley L Colvin
- Department of Bioengineering, University of Colorado Denver, Aurora, USA; Linda Crnic Institute for Down Syndrome, University of Colorado Denver, Aurora, USA
| | | | - Francis Hickey
- Anna and John J. Sie Center for Down Syndrome, Children's Hospital Colorado, Aurora, USA; Department of Pediatrics, University of Colorado School of Medicine, Aurora, USA
| | - Michael E Yeager
- Department of Bioengineering, University of Colorado Denver, Aurora, USA; Linda Crnic Institute for Down Syndrome, University of Colorado Denver, Aurora, USA.
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10
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Wu Y, Ma J, Yang X, Nan F, Zhang T, Ji S, Rao D, Feng H, Gao K, Gu X, Jiang S, Song G, Pan J, Zhang M, Xu Y, Zhang S, Fan Y, Wang X, Zhou J, Yang L, Fan J, Zhang X, Gao Q. Neutrophil profiling illuminates anti-tumor antigen-presenting potency. Cell 2024; 187:1422-1439.e24. [PMID: 38447573 DOI: 10.1016/j.cell.2024.02.005] [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: 04/11/2023] [Revised: 09/20/2023] [Accepted: 02/05/2024] [Indexed: 03/08/2024]
Abstract
Neutrophils, the most abundant and efficient defenders against pathogens, exert opposing functions across cancer types. However, given their short half-life, it remains challenging to explore how neutrophils adopt specific fates in cancer. Here, we generated and integrated single-cell neutrophil transcriptomes from 17 cancer types (225 samples from 143 patients). Neutrophils exhibited extraordinary complexity, with 10 distinct states including inflammation, angiogenesis, and antigen presentation. Notably, the antigen-presenting program was associated with favorable survival in most cancers and could be evoked by leucine metabolism and subsequent histone H3K27ac modification. These neutrophils could further invoke both (neo)antigen-specific and antigen-independent T cell responses. Neutrophil delivery or a leucine diet fine-tuned the immune balance to enhance anti-PD-1 therapy in various murine cancer models. In summary, these data not only indicate the neutrophil divergence across cancers but also suggest therapeutic opportunities such as antigen-presenting neutrophil delivery.
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Affiliation(s)
- Yingcheng Wu
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China; The Center for Microbes, Development and Health, Key Laboratory of Immune Response and Immunotherapy, Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai 200031, China
| | - Jiaqiang Ma
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China; The Center for Microbes, Development and Health, Key Laboratory of Immune Response and Immunotherapy, Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xupeng Yang
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Fang Nan
- Center for Molecular Medicine, Children's Hospital of Fudan University and Shanghai Key Laboratory of Medical Epigenetics, International Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Tiancheng Zhang
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Shuyi Ji
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University School of Medicine, Shanghai 200123, China
| | - Dongning Rao
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Hua Feng
- Center for Molecular Medicine, Children's Hospital of Fudan University and Shanghai Key Laboratory of Medical Epigenetics, International Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Ke Gao
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xixi Gu
- The Center for Microbes, Development and Health, Key Laboratory of Immune Response and Immunotherapy, Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai 200031, China
| | - Shan Jiang
- The Center for Microbes, Development and Health, Key Laboratory of Immune Response and Immunotherapy, Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai 200031, China
| | - Guohe Song
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Jiaomeng Pan
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Mao Zhang
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yanan Xu
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Shu Zhang
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yihui Fan
- Department of Pathogenic Biology and Basic Medical Research Center, School of Medicine, Nantong University, Nantong 226001, China
| | - Xiaoying Wang
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Jian Zhou
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Li Yang
- Center for Molecular Medicine, Children's Hospital of Fudan University and Shanghai Key Laboratory of Medical Epigenetics, International Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China.
| | - Jia Fan
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; State Key Laboratory of Genetic Engineering, Fudan University, Shanghai 200433, China.
| | - Xiaoming Zhang
- The Center for Microbes, Development and Health, Key Laboratory of Immune Response and Immunotherapy, Shanghai Institute of Immunity and Infection, Chinese Academy of Sciences, Shanghai 200031, China.
| | - Qiang Gao
- Department of Liver Surgery and Transplantation and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; State Key Laboratory of Genetic Engineering, Fudan University, Shanghai 200433, China.
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11
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Slanina P, Stichova J, Bosakova V, Zambo IS, Kohoutkova MH, Laznickova P, Chovancova Z, Litzman J, Plucarova T, Fric J, Vlkova M. Phenotype and oxidative burst of low-density neutrophil subpopulations are altered in common variable immunodeficiency patients. CYTOMETRY. PART B, CLINICAL CYTOMETRY 2024; 106:99-112. [PMID: 37997558 DOI: 10.1002/cyto.b.22150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 10/10/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023]
Abstract
Common variable immunodeficiency disorder (CVID) is the most common form of primary antibody immunodeficiency. Due to low antibody levels, CVID patients receive intravenous or subcutaneous immunoglobulin replacement therapy as treatment. CVID is associated with the chronic activation of granulocytes, including an increased percentage of low-density neutrophils (LDNs). In this study, we examined changes in the percentage of LDNs and the expression of their surface markers in 25 patients with CVID and 27 healthy donors (HD) after in vitro stimulation of whole blood using IVIg. An oxidative burst assay was used to assess the functionality of LDNs. CVID patients had increased both relative and absolute LDN counts with a higher proportion of mLDNs compared to iLDNs, distinguished based on the expression of CD10 and CD16. Immature LDNs in the CVID and HD groups had significantly reduced oxidative burst capacity compared to mature LDNs. Interestingly we observed reduced oxidative burst capacity, reduced expression of CD10 after stimulation of WB, and higher expression of PD-L1 in mature LDNs in CVID patients compared to HD cells. Our data indicate that that the functional characteristics of LDNs are closely linked to their developmental stage. The observed reduction in oxidative burst capacity in mLDNs in CVID patients could contribute to an increased susceptibility to recurrent bacterial infections among CVID patients.
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Affiliation(s)
- Peter Slanina
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- Institute of Clinical Immunology and Allergology, St. Anne's University Hospital, Brno, Czech Republic
| | - Julie Stichova
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- Institute of Clinical Immunology and Allergology, St. Anne's University Hospital, Brno, Czech Republic
| | - Veronika Bosakova
- Center for Translational Medicine, International Clinical Research Center, St Anne's University Hospital Brno, Brno, Czech Republic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Iva Staniczkova Zambo
- 1st Department of Pathology, St. Anne's University Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Marcela Hortova Kohoutkova
- Center for Translational Medicine, International Clinical Research Center, St Anne's University Hospital Brno, Brno, Czech Republic
| | - Petra Laznickova
- Center for Translational Medicine, International Clinical Research Center, St Anne's University Hospital Brno, Brno, Czech Republic
| | - Zita Chovancova
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- Institute of Clinical Immunology and Allergology, St. Anne's University Hospital, Brno, Czech Republic
| | - Jiri Litzman
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- Institute of Clinical Immunology and Allergology, St. Anne's University Hospital, Brno, Czech Republic
| | - Terezie Plucarova
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Jan Fric
- Center for Translational Medicine, International Clinical Research Center, St Anne's University Hospital Brno, Brno, Czech Republic
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic
| | - Marcela Vlkova
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
- Institute of Clinical Immunology and Allergology, St. Anne's University Hospital, Brno, Czech Republic
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12
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Rizo-Téllez SA, Filep JG. Beyond host defense and tissue injury: the emerging role of neutrophils in tissue repair. Am J Physiol Cell Physiol 2024; 326:C661-C683. [PMID: 38189129 PMCID: PMC11193466 DOI: 10.1152/ajpcell.00652.2023] [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: 11/29/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
Neutrophils, the most abundant immune cells in human blood, play a fundamental role in host defense against invading pathogens and tissue injury. Neutrophils carry potentially lethal weaponry to the affected site. Inadvertent and perpetual neutrophil activation could lead to nonresolving inflammation and tissue damage, a unifying mechanism of many common diseases. The prevailing view emphasizes the dichotomy of their function, host defense versus tissue damage. However, tissue injury may also persist during neutropenia, which is associated with disease severity and poor outcome. Numerous studies highlight neutrophil phenotypic heterogeneity and functional versatility, indicating that neutrophils play more complex roles than previously thought. Emerging evidence indicates that neutrophils actively orchestrate resolution of inflammation and tissue repair and facilitate return to homeostasis. Thus, neutrophils mobilize multiple mechanisms to limit the inflammatory reaction, assure debris removal, matrix remodeling, cytokine scavenging, macrophage reprogramming, and angiogenesis. In this review, we will summarize the homeostatic and tissue-reparative functions and mechanisms of neutrophils across organs. We will also discuss how the healing power of neutrophils might be harnessed to develop novel resolution and repair-promoting therapies while maintaining their defense functions.
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Affiliation(s)
- Salma A Rizo-Téllez
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
| | - János G Filep
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
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13
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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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14
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Marsile-Medun S, Souchard M, Abba Moussa D, Reynaud É, Tuaillon E, Naranjo-Gomez M, Pelegrin M. Fc receptors are key discriminatory markers of granulocytes subsets in people living with HIV-1. Front Immunol 2024; 15:1345422. [PMID: 38384451 PMCID: PMC10879334 DOI: 10.3389/fimmu.2024.1345422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
Introduction Granulocytes are innate immune cells that play a key role in pathogen elimination. Recent studies revealed the diversity of granulocytes in terms of phenotype and function. In particular, a subset of granulocytes identified as low-density granulocytes (LDG) has been described in physiological conditions and with increased frequencies in several pathological contexts. However, the properties of LDG are still controversial as they vary according to the pathophysiological environment. Here we investigated the heterogeneity of granulocyte populations and the potential differences in phenotype and immunomodulatory capacity between LDG and normal density granulocytes (NDG) in people living with HIV-1 (PLWH). Methods To this end, we developed an optimized method to purify LDG and NDG from a single blood sample, and performed in-depth, comparative phenotypic characterization of both granulocyte subtypes. We also assessed the impact of purification steps on the expression of cell surface markers on LDG by immunophenotyping them at different stages of isolation. Results We identified 9 cell surface markers (CD16, CD32, CD89, CD62L, CD177, CD31, CD10, CXCR4 and CD172α) differentially expressed between LDG and NDG. Noteworthy, markers that distinguish the two subsets include receptors for the Fc part of IgG (CD16, CD32) and IgA (CD89). Importantly, we also highlighted that the purification procedure affects the expression of several cell surface markers (i.e.CD63, CD66b, …) which must be taken into account when characterizing LDG. Our work sheds new light on the properties of LDG in PLWH and provides an extensive characterization of this granulocyte subset in which Fc receptors are key discriminatory markers.
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Affiliation(s)
| | - Manon Souchard
- IRMB, Univ Montpellier, INSERM, CNRS, Montpellier, France
| | | | - Élisa Reynaud
- Laboratoire de Virologie, Centre Hospitalier-Universitaire de Montpellier, Montpellier, France
| | - Edouard Tuaillon
- Laboratoire de Virologie, Centre Hospitalier-Universitaire de Montpellier, Montpellier, France
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15
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Li N, Lee Y, Suh JH, Oh JH, Jin SP, Lee DH, Chung JH. Fucosylation deficiency enhances imiquimod-induced psoriasis-like skin inflammation by promoting CXCL1 expression. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166988. [PMID: 38070583 DOI: 10.1016/j.bbadis.2023.166988] [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: 08/08/2023] [Revised: 11/07/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023]
Abstract
Psoriasis is a multifaceted chronic inflammatory skin disease; however, its underlying molecular mechanisms remain unclear. In this study, we explored the role of fucosylation in psoriasis using an imiquimod-induced psoriasis-like mouse model. ABH antigen and fucosyltransferase 1 (Fut1) expression was reduced in the granular layer of lesional skin of patients with psoriasis. In particular, the blood group H antigen type 2 (H2 antigen)-a precursor of blood group A and B antigens-and FUT1 were highly expressed throughout the spinous layer in both patients with psoriasis and the skin of imiquimod-treated mice. Upon the application of imiquimod, Fut1-deficient mice, which lacked the H2 antigen, exhibited higher clinical scores based on erythema, induration, and scaling than those of wild-type mice. Imiquimod-treated Fut1-deficient mice displayed increased skin thickness, trans-epidermal water loss, and Gr-1+ cell infiltration compared with wild-type mice. Notably, the levels of CXCL1 protein and mRNA were significantly higher in Fut1-deficient mice than those in wild-type mice; however, there were no significant differences in other psoriasis-related markers, such as IL-1β, IL-6, IL-17A, and IL-23. Fut1-deficient primary keratinocytes treated with IL-17A also showed a significant increase in both mRNA and protein levels of CXCL1 compared with IL-17A-treated wild-type primary keratinocytes. Further mechanistic studies revealed that this increased Cxcl1 mRNA in Fut1-deficient keratinocytes was caused by enhanced Cxcl1 mRNA stabilization. In summary, our findings indicated that fucosylation, which is essential for ABH antigen synthesis in humans, plays a protective role in psoriasis-like skin inflammation and is a potential therapeutic target for psoriasis.
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Affiliation(s)
- Na Li
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea; Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea
| | - Youngae Lee
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Joong Heon Suh
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea; Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea
| | - Jang-Hee Oh
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Seon-Pil Jin
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Dong Hun Lee
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
| | - Jin Ho Chung
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea; Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea; Institute on Aging, Seoul National University, Seoul, Republic of Korea.
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16
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Aymonnier K, Bosetta E, Leborgne NGF, Ullmer A, Le Gall M, De Chiara A, Salnot V, Many S, Scapini P, Wicks I, Chatfield S, Martin KR, Witko-Sarsat V. G-CSF reshapes the cytosolic PCNA scaffold and modulates glycolysis in neutrophils. J Leukoc Biol 2024; 115:205-221. [PMID: 37824822 DOI: 10.1093/jleuko/qiad122] [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: 04/27/2023] [Revised: 08/22/2023] [Accepted: 09/18/2023] [Indexed: 10/14/2023] Open
Abstract
Cytosolic proliferating cell nuclear antigen (PCNA) is involved in neutrophil survival and function, in which it acts as a scaffold and associates with proteins involved in apoptosis, NADPH oxidase activation, cytoskeletal dynamics, and metabolism. While the PCNA interactome has been characterized in neutrophils under homeostatic conditions, less is known about neutrophil PCNA in pathophysiological contexts. Granulocyte colony-stimulating factor (G-CSF) is a cytokine produced in response to inflammatory stimuli that regulates many aspects of neutrophil biology. Here, we used isolated normal-density neutrophils from G-CSF-treated haemopoietic stem cell donors (GDs) as a model to understand the role of PCNA during inflammation. Proteomic analysis of the neutrophil cytosol revealed significant differences between GDs and healthy donors (HDs). PCNA was one of the most upregulated proteins in GDs, and the PCNA interactome was significantly different in GDs compared with HDs. Importantly, while PCNA associated with almost all enzymes involved in glycolysis in HDs, these associations were decreased in GDs. Functionally, neutrophils from GDs had a significant increase in glycolysis compared with HDs. Using p21 competitor peptides, we showed that PCNA negatively regulates neutrophil glycolysis in HDs but had no effect on GD neutrophils. These data demonstrate that G-CSF alters the PCNA scaffold, affecting interactions with key glycolytic enzymes, and thus regulates glycolysis, the main energy pathway utilized by neutrophils. By this selective control of glycolysis, PCNA can organize neutrophils functionality in parallel with other PCNA mechanisms of prolonged survival. PCNA may therefore be instrumental in the reprogramming that neutrophils undergo in inflammatory or tumoral settings.
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Affiliation(s)
- Karen Aymonnier
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
| | - Enzo Bosetta
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
| | - Nathan G F Leborgne
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
| | - Audrey Ullmer
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
| | - Morgane Le Gall
- Proteom'IC facility, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du Faubourg Saint Jacques, Paris F-75014, France
| | - Alessia De Chiara
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
| | - Virginie Salnot
- Proteom'IC facility, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du Faubourg Saint Jacques, Paris F-75014, France
| | - Souganya Many
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
| | - Patrizia Scapini
- Department of General Pathology, University of Verona, Verona 37134, Italy
| | - Ian Wicks
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, Victoria 3052, Australia
- Department of Medical Biology, University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia
- Department of Rheumatology, Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3050, Australia
| | - Simon Chatfield
- Department of Rheumatology, Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3050, Australia
| | - Katherine R Martin
- Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, Victoria 3052, Australia
- Department of Medical Biology, University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia
| | - Véronique Witko-Sarsat
- Department of Immunology, Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Université Paris Cité, 27 rue du faubourg Saint Jacques, Paris F-75014, France
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17
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Manuel G, Coleman M, Orvis AS, Munson J, Li A, Kapur RP, Li M, Li E, Armistead B, Rajagopal L, Adams Waldorf KM. Spatial profiling of the placental chorioamniotic membranes reveals upregulation of immune checkpoint proteins during Group B Streptococcus infection in a nonhuman primate model. Front Cell Infect Microbiol 2024; 13:1299644. [PMID: 38239507 PMCID: PMC10794649 DOI: 10.3389/fcimb.2023.1299644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/05/2023] [Indexed: 01/22/2024] Open
Abstract
Background Preterm birth is a leading cause of neonatal mortality, which is often complicated by intrauterine infection and inflammation. We have established a nonhuman primate model of Group B Streptococcus (GBS, Streptococcus agalactiae) infection-associated preterm birth. Immune checkpoints are modulators of the immune response by activating or suppressing leukocyte function and are understudied in preterm birth. The objective of this study was to spatially profile changes in immune protein expression at the maternal-fetal interface during a GBS infection with a focus on immune checkpoints. Methods Twelve nonhuman primates (pigtail macaques, Macaca nemestrina) received a choriodecidual inoculation of either: 1) 1-5 X 108 colony forming units (CFU) of hyperhemolytic/hypervirulent GBS (GBSΔcovR, N=4); 2) an isogenic/nonpigmented strain (GBS ΔcovRΔcylE, N=4); or, 3) saline (N=4). A Cesarean section was performed at preterm labor or 3 days after GBS infection or 7 days after saline inoculation. Nanostring GeoMx® Digital Spatial Profiling technology was used to segment protein expression within the amnion, chorion, and maternal decidua at the inoculation site using an immuno-oncology panel targeting 56 immunoproteins enriched in stimulatory and inhibitory immune checkpoint proteins or their protein ligands. Statistical analysis included R studio, Kruskal-Wallis, Pearson and Spearman tests. Results Both inhibitory and stimulatory immune checkpoint proteins were significantly upregulated within the chorioamniotic membranes and decidua (VISTA, LAG3, PD-1, CD40, GITR), as well as their ligands (PD-L1, PD-L2, CD40L; all p<0.05). Immunostaining for VISTA revealed positive (VISTA+) cells, predominantly in the chorion and decidua. There were strong correlations between VISTA and amniotic fluid concentrations of IL-1β, IL-6, IL-8, and TNF-α (all p<0.05), as well as maternal placental histopathology scores (p<0.05). Conclusion Differential regulation of multiple immune checkpoint proteins in the decidua at the site of a GBS infection indicates a major perturbation in immunologic homeostasis that could benefit the host by restricting immune-driven pathologies or the pathogen by limiting immune surveillance. Protein expression of VISTA, an inhibitory immune checkpoint, was upregulated in the chorion and decidua after GBS infection. Investigating the impact of innate immune cell expression of inhibitory immune checkpoints may reveal new insights into placental host-pathogen interactions at the maternal-fetal interface.
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Affiliation(s)
- Gygeria Manuel
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, United States
- Morehouse School of Medicine, Atlanta, GA, United States
| | - Michelle Coleman
- Center for Global Infectious Disease Research, Seattle Childrens Research Institute, Seattle, WA, United States
| | - Austyn S. Orvis
- Center for Global Infectious Disease Research, Seattle Childrens Research Institute, Seattle, WA, United States
| | - Jeff Munson
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, United States
| | - Amanda Li
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, United States
- Department of Biology, Case Western Reserve University, Cleveland, OH, United States
| | - Raj P. Kapur
- Department of Laboratory Medicine and Pathology, Seattle Children’s Hospital and University of Washington, Seattle, WA, United States
| | - Miranda Li
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, United States
- School of Medicine, University of Washington, Seattle, WA, United States
| | - Edmunda Li
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, United States
| | - Blair Armistead
- Center for Global Infectious Disease Research, Seattle Childrens Research Institute, Seattle, WA, United States
| | - Lakshmi Rajagopal
- Center for Global Infectious Disease Research, Seattle Childrens Research Institute, Seattle, WA, United States
- Department of Global Health, University of Washington, Seattle, WA, United States
| | - Kristina M. Adams Waldorf
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, United States
- Department of Global Health, University of Washington, Seattle, WA, United States
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18
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Vanhaver C, Aboubakar Nana F, Delhez N, Luyckx M, Hirsch T, Bayard A, Houbion C, Dauguet N, Brochier A, van der Bruggen P, Bruger AM. Immunosuppressive low-density neutrophils in the blood of cancer patients display a mature phenotype. Life Sci Alliance 2024; 7:e202302332. [PMID: 37931958 PMCID: PMC10628041 DOI: 10.26508/lsa.202302332] [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: 08/23/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/08/2023] Open
Abstract
The presence of human neutrophils in the tumor microenvironment is strongly correlated to poor overall survival. Most previous studies have focused on the immunosuppressive capacities of low-density neutrophils (LDN), also referred to as granulocytic myeloid-derived suppressor cells, which are elevated in number in the blood of many cancer patients. We observed two types of LDN in the blood of lung cancer and ovarian carcinoma patients: CD45high LDN, which suppressed T-cell proliferation and displayed mature morphology, and CD45low LDN, which were immature and non-suppressive. We simultaneously evaluated the classical normal-density neutrophils (NDN) and, when available, tumor-associated neutrophils. We observed that NDN from cancer patients suppressed T-cell proliferation, and NDN from healthy donors did not, despite few transcriptomic differences. Hence, the immunosuppression mediated by neutrophils in the blood of cancer patients is not dependent on the cells' density but rather on their maturity.
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Affiliation(s)
- Christophe Vanhaver
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Frank Aboubakar Nana
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
- Service de Pneumologie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Institut de Recherche Expérimentale et Clinique (IREC)/Pôle de Pneumologie, Université Catholique de Louvain, Brussels, Belgium
| | - Nicolas Delhez
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Mathieu Luyckx
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
- Service de Gynécologie et Andrologie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Centre de Chirurgie Oncologique, Institut Roi Albert II, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Thibault Hirsch
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Alexandre Bayard
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Camille Houbion
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Nicolas Dauguet
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Alice Brochier
- Hematology Department of Laboratory Medicine, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Pierre van der Bruggen
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
| | - Annika M Bruger
- https://ror.org/022em3k58 Institut de Duve, Université Catholique de Louvain, Brussels, Belgium
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19
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Liu Y, Xiang C, Que Z, Li C, Wang W, Yin L, Chu C, Zhou Y. Neutrophil heterogeneity and aging: implications for COVID-19 and wound healing. Front Immunol 2023; 14:1201651. [PMID: 38090596 PMCID: PMC10715311 DOI: 10.3389/fimmu.2023.1201651] [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: 04/06/2023] [Accepted: 08/02/2023] [Indexed: 12/18/2023] Open
Abstract
Neutrophils play a critical role in the immune response to infection and tissue injury. However, recent studies have shown that neutrophils are a heterogeneous population with distinct subtypes that differ in their functional properties. Moreover, aging can alter neutrophil function and exacerbate immune dysregulation. In this review, we discuss the concept of neutrophil heterogeneity and how it may be affected by aging. We then examine the implications of neutrophil heterogeneity and aging for COVID-19 pathogenesis and wound healing. Specifically, we summarize the evidence for neutrophil involvement in COVID-19 and the potential mechanisms underlying neutrophil recruitment and activation in this disease. We also review the literature on the role of neutrophils in the wound healing process and how aging and neutrophil heterogeneity may impact wound healing outcomes. Finally, we discuss the potential for neutrophil-targeted therapies to improve clinical outcomes in COVID-19 and wound healing.
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Affiliation(s)
| | | | | | | | - Wen Wang
- Department of Hematology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China; Medical Cosmetic Center, Chengdu Second People's Hospital; Minhang Hospital, Fudan University, Shanghai, China
| | - Lijuan Yin
- Department of Hematology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China; Medical Cosmetic Center, Chengdu Second People's Hospital; Minhang Hospital, Fudan University, Shanghai, China
| | - Chenyu Chu
- Department of Hematology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China; Medical Cosmetic Center, Chengdu Second People's Hospital; Minhang Hospital, Fudan University, Shanghai, China
| | - Yin Zhou
- Department of Hematology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China; Medical Cosmetic Center, Chengdu Second People's Hospital; Minhang Hospital, Fudan University, Shanghai, China
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20
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Pettinella F, Lattanzi C, Donini M, Caveggion E, Marini O, Iannoto G, Costa S, Zenaro E, Fortunato TM, Gasperini S, Giani M, Belluomini L, Sposito M, Insolda J, Scaglione IM, Milella M, Adamo A, Poffe O, Bronte V, Dusi S, Cassatella MA, Ugel S, Pilotto S, Scapini P. Plasmacytoid Dendritic Cell, Slan +-Monocyte and Natural Killer Cell Counts Function as Blood Cell-Based Biomarkers for Predicting Responses to Immune Checkpoint Inhibitor Monotherapy in Non-Small Cell Lung Cancer Patients. Cancers (Basel) 2023; 15:5285. [PMID: 37958458 PMCID: PMC10647811 DOI: 10.3390/cancers15215285] [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: 09/13/2023] [Revised: 10/20/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
The advent of immune checkpoint inhibitors (ICIs), for instance, programmed cell death 1 (PD-1)/PD-1 ligand 1 (PD-L1) blockers, has greatly improved the outcome of patients affected by non-small cell lung cancer (NSCLC). However, most NSCLC patients either do not respond to ICI monotherapy or develop resistance to it after an initial response. Therefore, the identification of biomarkers for predicting the response of patients to ICI monotherapy represents an urgent issue. Great efforts are currently dedicated toward identifying blood-based biomarkers to predict responses to ICI monotherapy. In this study, more commonly utilized blood-based biomarkers, such as the neutrophil-to-lymphocyte ratio (NLR) and the lung immune prognostic index (LIPI) score, as well as the frequency/number and activation status of various types of circulating innate immune cell populations, were evaluated in NSCLC patients at baseline before therapy initiation. The data indicated that, among all the parameters tested, low plasmacytoid dendritic cell (pDC), slan+-monocyte and natural killer cell counts, as well as a high LIPI score and elevated PD-L1 expression levels on type 1 conventional DCs (cDC1s), were independently correlated with a negative response to ICI therapy in NSCLC patients. The results from this study suggest that the evaluation of innate immune cell numbers and phenotypes may provide novel and promising predictive biomarkers for ICI monotherapy in NSCLC patients.
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Affiliation(s)
- Francesca Pettinella
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Chiara Lattanzi
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Marta Donini
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Elena Caveggion
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Olivia Marini
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Giulia Iannoto
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Sara Costa
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Elena Zenaro
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Tiago Moderno Fortunato
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Sara Gasperini
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Matteo Giani
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Lorenzo Belluomini
- Section of Innovation Biomedicine—Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona and University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy (M.S.); (I.M.S.); (M.M.); (S.P.)
| | - Marco Sposito
- Section of Innovation Biomedicine—Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona and University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy (M.S.); (I.M.S.); (M.M.); (S.P.)
| | - Jessica Insolda
- Section of Innovation Biomedicine—Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona and University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy (M.S.); (I.M.S.); (M.M.); (S.P.)
| | - Ilaria Mariangela Scaglione
- Section of Innovation Biomedicine—Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona and University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy (M.S.); (I.M.S.); (M.M.); (S.P.)
| | - Michele Milella
- Section of Innovation Biomedicine—Oncology Area, Department of Engineering for Innovation Medicine (DIMI), University of Verona and University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy (M.S.); (I.M.S.); (M.M.); (S.P.)
| | - Annalisa Adamo
- Immunology Section, Department of Medicine, University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy; (A.A.)
| | - Ornella Poffe
- Immunology Section, Department of Medicine, University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy; (A.A.)
| | - Vincenzo Bronte
- Veneto Institute of Oncology—Istituto di Ricovero e Cura a Carattere Scientifico (IOV-IRCCS), 35128 Padova, Italy
| | - Stefano Dusi
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Marco A. Cassatella
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
| | - Stefano Ugel
- Immunology Section, Department of Medicine, University and Hospital Trust (AOUI) of Verona, 37134 Verona, Italy; (A.A.)
| | - 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, 37134 Verona, Italy (M.S.); (I.M.S.); (M.M.); (S.P.)
| | - Patrizia Scapini
- General Pathology Section, Department of Medicine, University of Verona, 37134 Verona, Italy (M.D.); (S.C.); (E.Z.); (T.M.F.); (S.G.); (M.G.)
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21
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Parackova Z, Zentsova I, Bloomfield M, Klocperk A, Horvath R, Malcova H, Cebecauerova D, Sediva A. Expanded population of low-density neutrophils in juvenile idiopathic arthritis. Front Immunol 2023; 14:1229520. [PMID: 37915575 PMCID: PMC10616245 DOI: 10.3389/fimmu.2023.1229520] [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: 05/26/2023] [Accepted: 10/05/2023] [Indexed: 11/03/2023] Open
Abstract
Introduction Juvenile idiopathic arthritis (JIA), a clinically variable disease characterized by autoimmune arthritis, affects children, and its immunopathology remains elusive. Alterations in neutrophil biology play an important role in this disease. In the present study, we aimed to explore the features of low-density neutrophils (LDNs) in patients with JIA. Methods Gene expression of peripheral blood mononuclear cells (PBMCs) from children with distinct subtypes of JIA was analyzed by NanoString Immunology panel. Presence of LDNs was ascertained by flow cytometry and the release of neutrophil-associated products were analyzed by LUMINEX. Results LDNs were detected in patients' peripheral blood mononuclear cells (PBMCs) after density gradient centrifugation. Transcriptomic analysis of JIA PBMCs revealed that genes related to neutrophil degranulation were markedly upregulated. The number of LDNs and level of their degranulation products increased in patients' PBMCs and correlated with serum calprotectin, but not with disease activity, sedimentation rate and C-reactive protein (CRP) levels. The phenotypes of LDNs varied from those of normal-density neutrophils and healthy donor LDNs. Phenotypical analysis revealed LDNs are immature and primed population with decreased suppressive capacity. A negative correlation between surface proteins CD62L, CD66b, and CD11b and the number of inflamed joints/JADAS was established. Conclusion Our results describe LDNs as primed, degranulated, immature cells with impaired suppressive activities. This work thus contributes to the increasing body of evidence that LDNs in JIA are altered and their role in the disease immunopathogenesis and possible clinical associations should be investigated further.
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Affiliation(s)
- Zuzana Parackova
- Department of Immunology, 2nd Faculty of Medicine Charles University, University Hospital in Motol, Prague, Czechia
| | - Irena Zentsova
- Department of Immunology, 2nd Faculty of Medicine Charles University, University Hospital in Motol, Prague, Czechia
| | - Marketa Bloomfield
- Department of Immunology, 2nd Faculty of Medicine Charles University, University Hospital in Motol, Prague, Czechia
| | - Adam Klocperk
- Department of Immunology, 2nd Faculty of Medicine Charles University, University Hospital in Motol, Prague, Czechia
| | - Rudolf Horvath
- Department of Paediatric and Adult Rheumatology, University Hospital in Motol, Prague, Czechia
| | - Hana Malcova
- Department of Paediatric and Adult Rheumatology, University Hospital in Motol, Prague, Czechia
| | - Dita Cebecauerova
- Department of Paediatric and Adult Rheumatology, University Hospital in Motol, Prague, Czechia
| | - Anna Sediva
- Department of Immunology, 2nd Faculty of Medicine Charles University, University Hospital in Motol, Prague, Czechia
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22
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Modestino L, Cristinziano L, Trocchia M, Ventrici A, Capone M, Madonna G, Loffredo S, Ferrara AL, Romanelli M, Simeone E, Varricchi G, Rossi FW, de Paulis A, Marone G, Ascierto PA, Galdiero MR. Melanoma-derived soluble mediators modulate neutrophil biological properties and the release of neutrophil extracellular traps. Cancer Immunol Immunother 2023; 72:3363-3376. [PMID: 37525065 PMCID: PMC10491523 DOI: 10.1007/s00262-023-03493-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/03/2023] [Indexed: 08/02/2023]
Abstract
Polymorphonuclear neutrophils (PMNs) are the main effector cells in the inflammatory response. The significance of PMN infiltration in the tumor microenvironment remains unclear. Metastatic melanoma is the most lethal skin cancer with an increasing incidence over the last few decades. This study aimed to investigate the role of PMNs and their related mediators in human melanoma. Highly purified human PMNs from healthy donors were stimulated in vitro with conditioned media (CM) derived from the melanoma cell lines SKMEL28 and A375 (melanoma CM), and primary melanocytes as controls. PMN biological properties (chemotaxis, survival, activation, cell tracking, morphology and NET release) were evaluated. We found that the A375 cell line produced soluble factors that promoted PMN chemotaxis, survival, activation and modification of morphological changes and kinetic properties. Furthermore, in both melanoma cell lines CM induced chemotaxis, activation and release of neutrophil extracellular traps (NETs) from PMNs. In contrast, the primary melanocyte CM did not modify the biological behavior of PMNs. In addition, serum levels of myeloperoxidase, matrix metalloprotease-9, CXCL8/IL-8, granulocyte and monocyte colony-stimulating factor and NETs were significantly increased in patients with advanced melanoma compared to healthy controls. Melanoma cell lines produce soluble factors able to "educate" PMNs toward an activated functional state. Patients with metastatic melanoma display increased circulating levels of neutrophil-related mediators and NETs. Further investigations are needed to better understand the role of these "tumor-educated neutrophils" in modifying melanoma cell behavior.
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Affiliation(s)
- Luca Modestino
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
| | - Leonardo Cristinziano
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
| | - Marialuisa Trocchia
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
| | - Annagioia Ventrici
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
| | - Mariaelena Capone
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione "G. Pascale", 80131, Naples, Italy
| | - Gabriele Madonna
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione "G. Pascale", 80131, Naples, Italy
| | - Stefania Loffredo
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council (CNR), 80131, Naples, Italy
| | - Anne Lise Ferrara
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council (CNR), 80131, Naples, Italy
| | - Marilena Romanelli
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione "G. Pascale", 80131, Naples, Italy
| | - Ester Simeone
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione "G. Pascale", 80131, Naples, Italy
| | - Gilda Varricchi
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council (CNR), 80131, Naples, Italy
| | - Francesca Wanda Rossi
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
| | - Amato de Paulis
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
| | - Gianni Marone
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council (CNR), 80131, Naples, Italy
| | - Paolo Antonio Ascierto
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione "G. Pascale", 80131, Naples, Italy
| | - Maria Rosaria Galdiero
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, 80131, Naples, Italy.
- WAO Center of Excellence, University of Naples Federico II, 80131, Naples, Italy.
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131, Naples, Italy.
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23
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Qu J, Jin J, Zhang M, Ng LG. Neutrophil diversity and plasticity: Implications for organ transplantation. Cell Mol Immunol 2023; 20:993-1001. [PMID: 37386174 PMCID: PMC10468536 DOI: 10.1038/s41423-023-01058-1] [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: 04/02/2023] [Accepted: 06/11/2023] [Indexed: 07/01/2023] Open
Abstract
Neutrophils, as the first defenders against external microbes and stimuli, are highly active and finely regulated innate immune cells. Emerging evidence has challenged the conventional dogma that neutrophils are a homogeneous population with a short lifespan that promotes tissue damage. Recent findings on neutrophil diversity and plasticity in homeostatic and disease states have centered on neutrophils in the circulation. In contrast, a comprehensive understanding of tissue-specialized neutrophils in health and disease is still lacking. This article will first discuss how multiomics advances have contributed to our understanding of neutrophil heterogeneity and diversification in resting and pathological settings. This discussion will be followed by a focus on the heterogeneity and role of neutrophils in solid organ transplantation and how neutrophils may contribute to transplant-related complications. The goal of this article is to provide an overview of the research on the involvement of neutrophils in transplantation, with the aim that this may draw attention to an underappreciated area of neutrophil research.
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Affiliation(s)
- Junwen Qu
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jingsi Jin
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Ming Zhang
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
| | - Lai Guan Ng
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
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24
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Metzemaekers M, Malengier-Devlies B, Gouwy M, De Somer L, Cunha FDQ, Opdenakker G, Proost P. Fast and furious: The neutrophil and its armamentarium in health and disease. Med Res Rev 2023; 43:1537-1606. [PMID: 37036061 DOI: 10.1002/med.21958] [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: 02/22/2022] [Revised: 12/27/2022] [Accepted: 03/24/2023] [Indexed: 04/11/2023]
Abstract
Neutrophils are powerful effector cells leading the first wave of acute host-protective responses. These innate leukocytes are endowed with oxidative and nonoxidative defence mechanisms, and play well-established roles in fighting invading pathogens. With microbicidal weaponry largely devoid of specificity and an all-too-well recognized toxicity potential, collateral damage may occur in neutrophil-rich diseases. However, emerging evidence suggests that neutrophils are more versatile, heterogeneous, and sophisticated cells than initially thought. At the crossroads of innate and adaptive immunity, neutrophils demonstrate their multifaceted functions in infectious and noninfectious pathologies including cancer, autoinflammation, and autoimmune diseases. Here, we discuss the kinetics of neutrophils and their products of activation from bench to bedside during health and disease, and provide an overview of the versatile functions of neutrophils as key modulators of immune responses and physiological processes. We focus specifically on those activities and concepts that have been validated with primary human cells.
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Affiliation(s)
- Mieke Metzemaekers
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Bert Malengier-Devlies
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Mieke Gouwy
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Lien De Somer
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
- Division of Pediatric Rheumatology, University Hospital Leuven, Leuven, Belgium
- European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases (RITA) at the University Hospital Leuven, Leuven, Belgium
| | | | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
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25
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Benameur T, Porro C, Twfieg ME, Benameur N, Panaro MA, Filannino FM, Hasan A. Emerging Paradigms in Inflammatory Disease Management: Exploring Bioactive Compounds and the Gut Microbiota. Brain Sci 2023; 13:1226. [PMID: 37626582 PMCID: PMC10452544 DOI: 10.3390/brainsci13081226] [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: 07/10/2023] [Revised: 08/06/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
The human gut microbiota is a complex ecosystem of mutualistic microorganisms that play a critical role in maintaining human health through their individual interactions and with the host. The normal gastrointestinal microbiota plays a specific physiological function in host immunomodulation, nutrient metabolism, vitamin synthesis, xenobiotic and drug metabolism, maintenance of structural and functional integrity of the gut mucosal barrier, and protection against various pathogens. Inflammation is the innate immune response of living tissues to injury and damage caused by infections, physical and chemical trauma, immunological factors, and genetic derangements. Most diseases are associated with an underlying inflammatory process, with inflammation mediated through the contribution of active immune cells. Current strategies to control inflammatory pathways include pharmaceutical drugs, lifestyle, and dietary changes. However, this remains insufficient. Bioactive compounds (BCs) are nutritional constituents found in small quantities in food and plant extracts that provide numerous health benefits beyond their nutritional value. BCs are known for their antioxidant, antimicrobial, anticarcinogenic, anti-metabolic syndrome, and anti-inflammatory properties. Bioactive compounds have been shown to reduce the destructive effect of inflammation on tissues by inhibiting or modulating the effects of inflammatory mediators, offering hope for patients suffering from chronic inflammatory disorders like atherosclerosis, arthritis, inflammatory bowel diseases, and neurodegenerative diseases. The aim of the present review is to summarise the role of natural bioactive compounds in modulating inflammation and protecting human health, for their safety to preserve gut microbiota and improve their physiology and behaviour.
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Affiliation(s)
- Tarek Benameur
- Department of Biomedical Sciences, College of Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
| | - Mohammed-Elfatih Twfieg
- Department of Biomedical Sciences, College of Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Nassima Benameur
- Faculty of Exact Sciences and Sciences of Nature and Life, Research Laboratory of Civil Engineering, Hydraulics, Sustainable Development and Environment (LARGHYDE), Mohamed Khider University, Biskra 07000, Algeria
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy
| | | | - Abeir Hasan
- Department of Biomedical Sciences, College of Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
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Roach DR, Noël B, Chollet-Martin S, de Jode M, Granger V, Debarbieux L, de Chaisemartin L. Human Neutrophil Response to Pseudomonas Bacteriophage PAK_P1, a Therapeutic Candidate. Viruses 2023; 15:1726. [PMID: 37632068 PMCID: PMC10458410 DOI: 10.3390/v15081726] [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: 07/19/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
The immune system offers several mechanisms of response to harmful microbes that invade the human body. As a first line of defense, neutrophils can remove pathogens by phagocytosis, inactivate them by the release of reactive oxygen species (ROS) or immobilize them by neutrophil extracellular traps (NETs). Although recent studies have shown that bacteriophages (phages) make up a large portion of human microbiomes and are currently being explored as antibacterial therapeutics, neutrophilic responses to phages are still elusive. Here, we show that exposure of isolated human resting neutrophils to a high concentration of the Pseudomonas phage PAK_P1 led to a 2-fold increase in interleukin-8 (IL-8) secretion. Importantly, phage exposure did not induce neutrophil apoptosis or necrosis and did not further affect activation marker expression, oxidative burst, and NETs formation. Similarly, inflammatory stimuli-activated neutrophil effector responses were unaffected by phage exposure. Our work suggests that phages are unlikely to inadvertently cause excessive neutrophil responses that could damage tissues and worsen disease. Because IL-8 functions as a chemoattractant, directing immune cells to sites of infection and inflammation, phage-stimulated IL-8 production may modulate some host immune responses.
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Affiliation(s)
- Dwayne R. Roach
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, 75015 Paris, France; (D.R.R.); (M.d.J.)
- Department of Biology, San Diego State University, San Diego, CA 92182, USA
| | - Benoît Noël
- INSERM UMR-996, Inflammation, Microbiome and Immunosurveillance, Faculté de Pharmacie, Université Paris-Saclay, 91400 Orsay, France; (B.N.); (S.C.-M.); (V.G.)
| | - Sylvie Chollet-Martin
- INSERM UMR-996, Inflammation, Microbiome and Immunosurveillance, Faculté de Pharmacie, Université Paris-Saclay, 91400 Orsay, France; (B.N.); (S.C.-M.); (V.G.)
- APHP, Service Auto-Immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, 75018 Paris, France
| | - Mathieu de Jode
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, 75015 Paris, France; (D.R.R.); (M.d.J.)
| | - Vanessa Granger
- INSERM UMR-996, Inflammation, Microbiome and Immunosurveillance, Faculté de Pharmacie, Université Paris-Saclay, 91400 Orsay, France; (B.N.); (S.C.-M.); (V.G.)
- APHP, Service Auto-Immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, 75018 Paris, France
| | - Laurent Debarbieux
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, 75015 Paris, France; (D.R.R.); (M.d.J.)
| | - Luc de Chaisemartin
- INSERM UMR-996, Inflammation, Microbiome and Immunosurveillance, Faculté de Pharmacie, Université Paris-Saclay, 91400 Orsay, France; (B.N.); (S.C.-M.); (V.G.)
- APHP, Service Auto-Immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, 75018 Paris, France
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Li J, Zhang K, Zhang Y, Gu Z, Huang C. Neutrophils in COVID-19: recent insights and advances. Virol J 2023; 20:169. [PMID: 37533131 PMCID: PMC10398943 DOI: 10.1186/s12985-023-02116-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/06/2023] [Indexed: 08/04/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is an acute respiratory disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which can lead to acute respiratory distress syndrome (ARDS), multi-organ failure and death, posing significant threat to human health. Studies have found that pathological mechanisms, such as cytokine storms caused by uncontrolled innate immune system activation, release of damage-associated molecular patterns during tissue injury and a high incidence of thrombotic events, are associated with the function and dysfunction of neutrophils. Specifically, the increased formation of low-density neutrophils (LDNs) and neutrophil extracellular traps (NETs) has been shown to be closely linked with the severity and poor prognosis in patients with COVID-19. Our work focuses on understanding the increased number, abnormal activation, lung tissue infiltration, and elevated neutrophil-to-lymphocyte ratio in the pathogenesis of COVID-19. We also explore the involvement of NETs and LDNs in disease progression and thrombosis formation, along with potential therapeutic strategies targeting neutrophil and NETs formation.
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Affiliation(s)
- Jiayu Li
- Department of Infectious Diseases, Second Affiliated Hospital of Air Force Military Medical University, Xi'an, 710038, China
| | - Kegong Zhang
- Department of Infectious Diseases, Second Affiliated Hospital of Air Force Military Medical University, Xi'an, 710038, China
| | - Ye Zhang
- Department of Infectious Diseases, Second Affiliated Hospital of Air Force Military Medical University, Xi'an, 710038, China
| | - Ziyang Gu
- Department of Infectious Diseases, Second Affiliated Hospital of Air Force Military Medical University, Xi'an, 710038, China
| | - Changxing Huang
- Department of Infectious Diseases, Second Affiliated Hospital of Air Force Military Medical University, Xi'an, 710038, China.
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Zhou W, Cao X, Xu Q, Qu J, Sun Y. The double-edged role of neutrophil heterogeneity in inflammatory diseases and cancers. MedComm (Beijing) 2023; 4:e325. [PMID: 37492784 PMCID: PMC10363828 DOI: 10.1002/mco2.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/31/2023] [Accepted: 06/09/2023] [Indexed: 07/27/2023] Open
Abstract
Neutrophils are important immune cells act as the body's first line of defense against infection and respond to diverse inflammatory cues. Many studies have demonstrated that neutrophils display plasticity in inflammatory diseases and cancers. Clarifying the role of neutrophil heterogeneity in inflammatory diseases and cancers will contribute to the development of novel treatment strategies. In this review, we have presented a review on the development of the understanding on neutrophil heterogeneity from the traditional perspective and a high-resolution viewpoint. A growing body of evidence has confirmed the double-edged role of neutrophils in inflammatory diseases and tumors. This may be due to a lack of precise understanding of the role of specific neutrophil subsets in the disease. Thus, elucidating specific neutrophil subsets involved in diseases would benefit the development of precision medicine. Thusly, we have summarized the relevance and actions of neutrophil heterogeneity in inflammatory diseases and cancers comprehensively. Meanwhile, we also discussed the potential intervention strategy for neutrophils. This review is intended to deepen our understanding of neutrophil heterogeneity in inflammatory diseases and cancers, while hold promise for precise treatment of neutrophil-related diseases.
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Affiliation(s)
- Wencheng Zhou
- Department of PharmacyThe First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine)HangzhouChina
| | - Xinran Cao
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
| | - Qiang Xu
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
| | - Jiao Qu
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
| | - Yang Sun
- State Key Laboratory of Pharmaceutical BiotechnologyDepartment of Biotechnology and Pharmaceutical SciencesSchool of Life ScienceNanjing UniversityNanjingChina
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Lozano Í, Bangueses R, Rodríguez I, Pevida M, Rodríguez-Aguilar R, Rodríguez D, Espasandín-Arias M, Llames S, Meana Á, Suárez A, Rodríguez-Carrio J. In-stent restenosis is associated with proliferative skin healing and specific immune and endothelial cell profiles: results from the RACHEL trial. Front Immunol 2023; 14:1138247. [PMID: 37325628 PMCID: PMC10265483 DOI: 10.3389/fimmu.2023.1138247] [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: 01/05/2023] [Accepted: 05/22/2023] [Indexed: 06/17/2023] Open
Abstract
Introduction In-stent restenosis (ISR) is a major challenge in interventional cardiology. Both ISR and excessive skin healing are aberrant hyperplasic responses, which may be functionally related. However, the cellular component underlying ISR remains unclear, especially regarding vascular homeostasis. Recent evidence suggest that novel immune cell populations may be involved in vascular repair and damage, but their role in ISR has not been explored. The aims of this study is to analyze (i) the association between ISR and skin healing outcomes, and (ii) the alterations in vascular homeostasis mediators in ISR in univariate and integrative analyses. Methods 30 patients with ≥1 previous stent implantation with restenosis and 30 patients with ≥1 stent without restenosis both confirmed in a second angiogram were recruited. Cellular mediators were quantified in peripheral blood by flow cytometry. Skin healing outcomes were analyzed after two consecutive biopsies. Results Hypertrophic skin healing was more frequent in ISR patients (36.7%) compared to those ISR-free (16.7%). Patients with ISR were more likely to develop hypertrophic skin healing patterns (OR 4.334 [95% CI 1.044-18.073], p=0.033), even after correcting for confounders. ISR was associated with decreased circulating angiogenic T-cells (p=0.005) and endothelial progenitor cells (p<0.001), whereas CD4+CD28null and detached endothelial cells counts were higher (p<0.0001 and p=0.006, respectively) compared to their ISR-free counterparts. No differences in the frequency of monocyte subsets were found, although Angiotensin-Converting Enzyme expression was increased (non-classical: p<0.001; and intermediate: p<0.0001) in ISR. Despite no differences were noted in Low-Density Granulocytes, a relative increase in the CD16- compartment was observed in ISR (p=0.004). An unsupervised cluster analysis revealed the presence of three profiles with different clinical severity, unrelated to stent types or traditional risk factors. Conclusion ISR is linked to excessive skin healing and profound alterations in cellular populations related to vascular repair and endothelial damage. Distinct cellular profiles can be distinguished within ISR, suggesting that different alterations may uncover different ISR clinical phenotypes.
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Affiliation(s)
- Íñigo Lozano
- Department of Cardiology, Hospital Universitario Cabueñes, Gijón, Asturias, Spain
- Cardiac Pathology Research Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Roi Bangueses
- Department of Cardiology, Hospital Universitario Cabueñes, Gijón, Asturias, Spain
| | - Isabel Rodríguez
- Cardiac Pathology Research Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
| | - Marta Pevida
- Blood Tansfusion Center and Tissue Bank of Asturias, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Oviedo, Asturias, Spain
- Grupo de Investigación en Oftalmología, Ciencias de la Visión y Terapias Avanzadas (GOVITA), Instituto de Salud del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
- Instituto Universitario Fernández-Vega, Fundación de Investigación Oftalmológica, Oviedo, Asturias, Spain
| | - Raúl Rodríguez-Aguilar
- Department of Pathology Anatomy, Hospital Universitario Cabueñes, Gijón, Asturias, Spain
| | - Diana Rodríguez
- Department of Pathology Anatomy, Hospital Universitario Cabueñes, Gijón, Asturias, Spain
| | | | - Sara Llames
- Blood Tansfusion Center and Tissue Bank of Asturias, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Oviedo, Asturias, Spain
- Grupo de Investigación en Oftalmología, Ciencias de la Visión y Terapias Avanzadas (GOVITA), Instituto de Salud del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
- Fundación Jiménez Díaz, Madrid, Spain
| | - Álvaro Meana
- Blood Tansfusion Center and Tissue Bank of Asturias, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Oviedo, Asturias, Spain
- Grupo de Investigación en Oftalmología, Ciencias de la Visión y Terapias Avanzadas (GOVITA), Instituto de Salud del Principado de Asturias (ISPA), Oviedo, Asturias, Spain
- Instituto Universitario Fernández-Vega, Fundación de Investigación Oftalmológica, Oviedo, Asturias, Spain
| | - Ana Suárez
- Area of Immunology, Department of Functional Biology, University of Oviedo, Oviedo, Asturias, Spain
- Grupo de Investigación Básica y Traslacional en Enfermedades Inflamatorias, Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Asturias, Spain
| | - Javier Rodríguez-Carrio
- Area of Immunology, Department of Functional Biology, University of Oviedo, Oviedo, Asturias, Spain
- Grupo de Investigación Básica y Traslacional en Enfermedades Inflamatorias, Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Asturias, Spain
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30
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Carnevale S, Di Ceglie I, Grieco G, Rigatelli A, Bonavita E, Jaillon S. Neutrophil diversity in inflammation and cancer. Front Immunol 2023; 14:1180810. [PMID: 37180120 PMCID: PMC10169606 DOI: 10.3389/fimmu.2023.1180810] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/11/2023] [Indexed: 05/15/2023] Open
Abstract
Neutrophils are the most abundant circulating leukocytes in humans and the first immune cells recruited at the site of inflammation. Classically perceived as short-lived effector cells with limited plasticity and diversity, neutrophils are now recognized as highly heterogenous immune cells, which can adapt to various environmental cues. In addition to playing a central role in the host defence, neutrophils are involved in pathological contexts such as inflammatory diseases and cancer. The prevalence of neutrophils in these conditions is usually associated with detrimental inflammatory responses and poor clinical outcomes. However, a beneficial role for neutrophils is emerging in several pathological contexts, including in cancer. Here we will review the current knowledge of neutrophil biology and heterogeneity in steady state and during inflammation, with a focus on the opposing roles of neutrophils in different pathological contexts.
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Affiliation(s)
| | | | - Giovanna Grieco
- IRCCS Humanitas Research Hospital, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | | | | | - Sebastien Jaillon
- IRCCS Humanitas Research Hospital, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
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31
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Kummola L, Salomaa T, Ortutay Z, Savan R, Young HA, Junttila IS. IL-4, IL-13 and IFN-γ -induced genes in highly purified human neutrophils. Cytokine 2023; 164:156159. [PMID: 36809715 DOI: 10.1016/j.cyto.2023.156159] [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: 11/29/2022] [Revised: 01/27/2023] [Accepted: 02/10/2023] [Indexed: 02/21/2023]
Abstract
Interleukin (IL)-4 and IL-13 are related cytokines with well-known specific roles in type 2 immune response. However, their effects on neutrophils are not completely understood. For this, we studied human primary neutrophil responses to IL-4 and IL-13. Neutrophils are dose-dependently responsive to both IL-4 and IL-13 as indicated by signal transducer and activator of transcription 6 (STAT6) phosphorylation upon stimulation, with IL-4 being more potent inducer of STAT6. IL-4-, IL-13- and Interferon (IFN)-γ-stimulated gene expression in highly purified human neutrophils induced both overlapping and unique gene expression in highly purified human neutrophils. IL-4 and IL-13 specifically regulate several immune-related genes, including IL-10, tumor necrosis factor (TNF) and leukemia inhibitory factor (LIF), while type1 immune response-related IFN-γ induced gene expression related for example, to intracellular infections. In analysis of neutrophil metabolic responses, oxygen independent glycolysis was specifically regulated by IL-4, but not by IL-13 or IFN-γ, suggesting specific role for type I IL-4 receptor in this process. Our results provide a comprehensive analysis of IL-4, IL-13 and IFN-γ -induced gene expression in neutrophils while also addressing cytokine-mediated metabolic changes in neutrophils.
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Affiliation(s)
- Laura Kummola
- Biodiversity Interventions for Well-being, Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland
| | - Tanja Salomaa
- Cytokine Biology Research Group, Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland; Fimlab Laboratories, 33520 Tampere, Finland
| | | | - Ram Savan
- Department of Immunology, School of Medicine, University of Washington, 98195 Seattle, WA, USA
| | - Howard A Young
- Center for Cancer Research, National Cancer Institute, 21702 Frederick, MD, USA
| | - Ilkka S Junttila
- Cytokine Biology Research Group, Faculty of Medicine and Health Technology, Tampere University, 33014 Tampere, Finland; Fimlab Laboratories, 33520 Tampere, Finland; Northern Finland Laboratory Centre (NordLab), 90220 Oulu, Finland; Research Unit of Biomedicine, University of Oulu, 90570 Oulu, Finland.
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32
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Wang S, Zhao X, Wu S, Cui D, Xu Z. Myeloid-derived suppressor cells: key immunosuppressive regulators and therapeutic targets in hematological malignancies. Biomark Res 2023; 11:34. [PMID: 36978204 PMCID: PMC10049909 DOI: 10.1186/s40364-023-00475-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
The immunosuppressive tumor microenvironment (TME) supports the development of tumors and limits tumor immunotherapy, including hematological malignancies. Hematological malignancies remain a major public health issue with high morbidity and mortality worldwide. As an important component of immunosuppressive regulators, the phenotypic characteristics and prognostic value of myeloid-derived suppressor cells (MDSCs) have received much attention. A variety of MDSC-targeting therapeutic approaches have produced encouraging outcomes. However, the use of various MDSC-targeted treatment strategies in hematologic malignancies is still difficult due to the heterogeneity of hematologic malignancies and the complexity of the immune system. In this review, we summarize the biological functions of MDSCs and further provide a summary of the phenotypes and suppressive mechanisms of MDSC populations expanded in various types of hematological malignancy contexts. Moreover, we discussed the clinical correlation between MDSCs and the diagnosis of malignant hematological disease, as well as the drugs targeting MDSCs, and focused on summarizing the therapeutic strategies in combination with other immunotherapies, such as various immune checkpoint inhibitors (ICIs), that are under active investigation. We highlight the new direction of targeting MDSCs to improve the therapeutic efficacy of tumors.
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Affiliation(s)
- Shifen Wang
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xingyun Zhao
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Siwen Wu
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dawei Cui
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Zhenshu Xu
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, China.
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Deng Y, Zhao Z, Sheldon M, Zhao Y, Teng H, Martinez C, Zhang J, Lin C, Sun Y, Yao F, Zhu H, Ma L. LIFR recruits HGF-producing neutrophils to promote liver injury repair and regeneration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.18.533289. [PMID: 36993315 PMCID: PMC10055204 DOI: 10.1101/2023.03.18.533289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
The molecular links between tissue repair and tumorigenesis remain elusive. Here, we report that loss of the liver tumor suppressor Lifr in mouse hepatocytes impairs the recruitment and activity of reparative neutrophils, resulting in the inhibition of liver regeneration after partial hepatectomy or toxic injuries. On the other hand, overexpression of LIFR promotes liver repair and regeneration after injury. Interestingly, LIFR deficiency or overexpression does not affect hepatocyte proliferation ex vivo or in vitro . In response to physical or chemical damage to the liver, LIFR from hepatocytes promotes the secretion of the neutrophil chemoattractant CXCL1 (which binds CXCR2 to recruit neutrophils) and cholesterol in a STAT3-dependent manner. Cholesterol, in turn, acts on the recruited neutrophils to secrete hepatocyte growth factor (HGF) to accelerate hepatocyte proliferation and regeneration. Altogether, our findings reveal a LIFR-STAT3- CXCL1-CXCR2 axis and a LIFR-STAT3-cholesterol-HGF axis that mediate hepatic damage- induced crosstalk between hepatocytes and neutrophils to repair and regenerate the liver.
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Carmona-Rivera C, Kaplan MJ. Low-density granulocytes in systemic autoimmunity and autoinflammation. Immunol Rev 2023; 314:313-325. [PMID: 36305174 PMCID: PMC10050110 DOI: 10.1111/imr.13161] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A body of evidence has re-energized the interest on the role neutrophils in inflammatory and autoimmune conditions. For decades, neutrophils have been considered a homogenous population. Nevertheless, accumulating evidence suggests that neutrophils are more versatile and heterogeneous than initially considered. The notion of neutrophil heterogeneity has been supported by the identification of low-density granulocytes (LDGs) in systemic lupus erythematosus (SLE) and other systemic autoimmune and autoinflammatory conditions. Transcriptomic, epigenetic, proteomic, and functional analyses support that LDGs are a distinct subset of proinflammatory neutrophils implicated in the pathogenesis of SLE and other autoimmune diseases. Importantly, it remains incompletely characterized whether LDGs detected in other inflammatory/autoimmune conditions display the same phenotype that those present in SLE. A shared feature of LDGs across diseases is their association with vascular damage, an important contributor to morbidity and mortality in chronic inflammatory conditions. Additionally, the lack of specific markers to identify LDGs in circulation or in tissue, makes it a challenge to elucidate their role in the pathogenesis of inflammatory and autoimmune conditions. In this review, we aim to examine the evidence on the biology and the putative pathogenic role of LDGs in systemic autoimmune diseases.
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Affiliation(s)
- Carmelo Carmona-Rivera
- Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Mariana J. Kaplan
- Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
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35
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Bert S, Nadkarni S, Perretti M. Neutrophil-T cell crosstalk and the control of the host inflammatory response. Immunol Rev 2023; 314:36-49. [PMID: 36326214 PMCID: PMC10952212 DOI: 10.1111/imr.13162] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
While fundamental in their innate role in combating infection and responding to injury, neutrophils are emerging as key modulators of adaptive immune responses. Such functions are attained via both soluble and nonsoluble effectors that enable at least two major downstream outcomes: first, to mediate and control acute inflammatory responses and second, to regulate adaptive immunity and ultimately promoting the development and maintenance of immune tolerance either by releasing immuno-modulatory factors, including cytokines, or by directly interacting with cells of the adaptive immune system. Herein, we review these novel properties of neutrophils and redefine the pathophysiological functions of these fascinating multi-tasking cells, exploring the different mechanisms through which neutrophils are able to either enhance and orchestrate T cell pro-inflammatory responses or inhibit T cell activity to maintain immune tolerance.
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Affiliation(s)
- Serena Bert
- The William Harvey Research InstituteQueen Mary University of LondonLondonUK
| | - Suchita Nadkarni
- The William Harvey Research InstituteQueen Mary University of LondonLondonUK
| | - Mauro Perretti
- The William Harvey Research InstituteQueen Mary University of LondonLondonUK
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36
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Riça IG, Joughin BA, Teke ME, Emmons TR, Griffith A, Cahill LA, Banner-Goodspeed V, Robson SC, Hernandez JM, Segal BH, Otterbein LE, Hauser CJ, Lederer JA, Yaffe MB. Neutrophil heterogeneity and emergence of a distinct population of CD11b/CD18-activated low-density neutrophils after trauma. J Trauma Acute Care Surg 2023; 94:187-196. [PMID: 36694330 PMCID: PMC9881754 DOI: 10.1097/ta.0000000000003823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
INTRODUCTION Multiple large clinical trauma trials have documented an increased susceptibility to infection after injury. Although neutrophils (polymorphonuclear leukocytes [PMNs]) were historically considered a homogeneous cell type, we hypothesized that injury could alter neutrophil heterogeneity and predispose to dysfunction. To explore whether trauma modifies PMN heterogeneity, we performed an observational mass-spectrometry-based cytometry study on total leukocytes and low-density PMNs found in the peripheral blood mononuclear cell fraction of leukocytes from healthy controls and trauma patients. METHODS A total of 74 samples from 12 trauma patients, each sampled at 1 or more time points, and matched controls were fractionated and profiled by mass-spectrometry-based cytometry using a panel of 44 distinct markers. After deconvolution and conservative gating on neutrophils, data were analyzed using Seurat, followed by clustering of principal components. RESULTS Eleven distinct neutrophil populations were resolved in control and trauma neutrophils based on differential protein surface marker expression. Trauma markedly altered the basal heterogeneity of neutrophil subgroups seen in the control samples, with loss of a dominant population of resting neutrophils marked by high expression of C3AR and low levels of CD63, CD64, and CD177 (cluster 1), and expansion of two alternative neutrophil populations, one of which is marked by high expression of CD177 with suppression of CD10, CD16, C3AR, CD63, and CD64 (cluster 6). Remarkably, following trauma, a substantially larger percentage of neutrophils sediment in the monocyte fraction. These low-density neutrophils bear markers of functional exhaustion and form a unique trauma-induced population (cluster 9) with markedly upregulated expression of active surface adhesion molecules (activated CD11b/CD18), with suppression of nearly all other surface markers, including receptors for formyl peptides, leukotrienes, chemokines, and complement. CONCLUSION Circulating neutrophils demonstrate considerable evidence of functional heterogeneity that is markedly altered by trauma. Trauma induces evolution of a novel, exhausted, low-density neutrophil population with immunosuppressive features.
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Affiliation(s)
- Ingred Goretti Riça
- Departments of Biological Engineering and Biology, David H. Koch Institute for Integrative Cancer Research, and Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Brian A. Joughin
- Departments of Biological Engineering and Biology, David H. Koch Institute for Integrative Cancer Research, and Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Martha E. Teke
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Tiffany R. Emmons
- Departments of Biological Engineering and Biology, David H. Koch Institute for Integrative Cancer Research, and Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Alec Griffith
- Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Laura A. Cahill
- Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Valerie Banner-Goodspeed
- Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - Simon C. Robson
- Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - Jonathan M. Hernandez
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Brahm H. Segal
- Department of Medicine, Roswell Park Comprehensive Cancer Center, University of Buffalo School of Medicine, Buffalo, NY14263 USA
| | - Leo E. Otterbein
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - Carl J. Hauser
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
| | - James A. Lederer
- Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Michael B. Yaffe
- Departments of Biological Engineering and Biology, David H. Koch Institute for Integrative Cancer Research, and Center for Precision Cancer Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Surgical Oncology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115 USA
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Yiu JYT, Hally KE, Larsen PD, Holley AS. Increased levels of low density neutrophils (LDNs) in myocardial infarction. Acta Cardiol 2023; 78:47-54. [PMID: 35006041 DOI: 10.1080/00015385.2021.2015145] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Recent evidence suggests that neutrophils are highly plastic cells that can display heterogeneous phenotypes. Low-density neutrophils (LDNs) have been described in many inflammatory conditions, and are thought to represent an immature, hyperactivated subtype of neutrophils. Neutrophils are significantly involved in the inflammatory response to myocardial infarction (MI), although we do not know the extent to which LDNs exist, or function, in MI. This study sought to determine the frequency and phenotype of LDNs in MI patients, compared to healthy subjects (HS). METHODS LDNs and normal-density neutrophils (NDNs) were isolated from the peripheral blood of MI subjects (n = 12) and HSs (n = 12) using density gradient centrifugation. LDNs and NDNs were analysed by flow cytometry to identify neutrophils (CD66b+CD15+CD14-CD3-CD19- cells) and examine neutrophil activation (CD11b, CD66b and CD15) and maturity (CD33 and CD16). RESULTS We identified LDNs within the peripheral blood mononuclear cell (PBMC) fraction of blood, and this population is significantly enriched in MI patients (1.04 ± 0.75% of PBMCs), compared to HS (0.29 ± 0.24%, p = .003). Across both cohorts, LDNs express significantly higher levels of CD66b and CD15, indicating a heightened state of activation compared to NDNs. In this study, LDNs were described as CD33highCD16low, compared to CD33lowCD16high NDNs, indicating the immaturity of this neutrophil subtype. CONCLUSIONS An increase in the frequency of hyperactivated, immature LDNs is an immunological feature of MI. We highlight a potential pathological role of LDNs in MI, which underscores the need to expand our current understanding of this subtype in MI and other cardiovascular diseases (CVDs).
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Affiliation(s)
- Jacquelina Y T Yiu
- Department of Surgery and Anaesthesia, The University of Otago, Wellington, New Zealand.,Wellington Cardiovascular Research Group, The University of Otago, Wellington, New Zealand
| | - Kathryn E Hally
- Department of Surgery and Anaesthesia, The University of Otago, Wellington, New Zealand.,Wellington Cardiovascular Research Group, The University of Otago, Wellington, New Zealand
| | - Peter D Larsen
- Department of Surgery and Anaesthesia, The University of Otago, Wellington, New Zealand.,Wellington Cardiovascular Research Group, The University of Otago, Wellington, New Zealand
| | - Ana S Holley
- Department of Surgery and Anaesthesia, The University of Otago, Wellington, New Zealand.,Wellington Cardiovascular Research Group, The University of Otago, Wellington, New Zealand
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Bui TA, Jickling GC, Winship IR. Neutrophil dynamics and inflammaging in acute ischemic stroke: A transcriptomic review. Front Aging Neurosci 2022; 14:1041333. [PMID: 36620775 PMCID: PMC9813499 DOI: 10.3389/fnagi.2022.1041333] [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: 09/10/2022] [Accepted: 11/28/2022] [Indexed: 12/24/2022] Open
Abstract
Stroke is among the leading causes of death and disability worldwide. Restoring blood flow through recanalization is currently the only acute treatment for cerebral ischemia. Unfortunately, many patients that achieve a complete recanalization fail to regain functional independence. Recent studies indicate that activation of peripheral immune cells, particularly neutrophils, may contribute to microcirculatory failure and futile recanalization. Stroke primarily affects the elderly population, and mortality after endovascular therapies is associated with advanced age. Previous analyses of differential gene expression across injury status and age identify ischemic stroke as a complex age-related disease. It also suggests robust interactions between stroke injury, aging, and inflammation on a cellular and molecular level. Understanding such interactions is crucial in developing effective protective treatments. The global stroke burden will continue to increase with a rapidly aging human population. Unfortunately, the mechanisms of age-dependent vulnerability are poorly defined. In this review, we will discuss how neutrophil-specific gene expression patterns may contribute to poor treatment responses in stroke patients. We will also discuss age-related transcriptional changes that may contribute to poor clinical outcomes and greater susceptibility to cerebrovascular diseases.
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Affiliation(s)
- Truong An Bui
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
| | - Glen C. Jickling
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada,Department of Medicine, Division of Neurology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Ian R. Winship
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada,Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada,*Correspondence: Ian R. Winship,
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Calzetti F, Finotti G, Cassatella MA. Current knowledge on the early stages of human neutropoiesis. Immunol Rev 2022; 314:111-124. [PMID: 36484356 DOI: 10.1111/imr.13177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polymorphonuclear neutrophils are no longer considered as a homogeneous population of terminally differentiated and short-lived cells that belong to the innate immune system only. In fact, data from the past decades have uncovered that neutrophils exhibit large phenotypic heterogeneity and functional versatility that render them more plastic than previously thought. Hence, their precise role as effector cells in inflammation, in immune response and in other pathophysiological processes, including tumors, needs to be better evaluated. In such a complex scenario, common knowledge of the differentiation of neutrophils in bone marrow refers to lineage precursors, starting from the still poorly defined myeloblasts, and proceeding sequentially to promyelocytes, myelocytes, metamyelocytes, band cells, segmented neutrophils, and mature neutrophils, with each progenitor stage being more mature and better characterized. Thanks to the development and utilization of cutting-edge technologies, novel information about neutrophil precursors at stages earlier than the promyelocytes, hence closer to the hematopoietic stem cells, is emerging. Accordingly, this review discusses the main findings related to the very early precursors of human neutrophils and provides our perspectives on human neutropoiesis.
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Affiliation(s)
- Federica Calzetti
- Department of Medicine, Section of General Pathology University of Verona Verona Italy
| | - Giulia Finotti
- Department of Medicine, Section of General Pathology University of Verona Verona Italy
| | - Marco A. Cassatella
- Department of Medicine, Section of General Pathology University of Verona Verona Italy
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Hatano R, Itoh T, Otsuka H, Saeki H, Yamamoto A, Song D, Shirakawa Y, Iyama S, Sato T, Iwao N, Harada N, Aune TM, Dang NH, Kaneko Y, Yamada T, Morimoto C, Ohnuma K. Humanized anti-IL-26 monoclonal antibody as a novel targeted therapy for chronic graft-versus-host disease. Am J Transplant 2022; 22:2804-2820. [PMID: 35997569 DOI: 10.1111/ajt.17178] [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: 05/06/2022] [Revised: 07/12/2022] [Accepted: 08/17/2022] [Indexed: 01/25/2023]
Abstract
IL-26 is a Th17 cytokine, with its gene being absent in rodents. To characterize the in vivo immunological effects of IL-26 in chronic systemic inflammation, we used human IL26 transgenic (hIL-26Tg) mice and human umbilical cord blood mononuclear cells (hCBMC) in mouse allogeneic-graft-versus-host disease (GVHD) and chronic xenogeneic-GVHD model, respectively. Transfer of bone marrow and spleen T cells from hIL-26Tg mice into B10.BR mice resulted in GVHD progression, with clinical signs of tissue damage in multiple organs. IL-26 markedly increased neutrophil levels both in the GVHD-target tissues and peripheral blood. Expression levels of Th17 cytokines in hIL-26Tg mice-derived donor CD4 T cells were significantly increased, whereas IL-26 did not affect cytotoxic function of donor CD8 T cells. In addition, granulocyte-colony stimulating factor, IL-1β, and IL-6 levels were particularly enhanced in hIL-26Tg mice. We also developed a humanized neutralizing anti-IL-26 monoclonal antibody (mAb) for therapeutic use, and its administration after onset of chronic xenogeneic-GVHD mitigated weight loss and prolonged survival, with preservation of graft-versus-leukemia effect. Taken together, our data elucidate the in vivo immunological effects of IL-26 in chronic GVHD models and suggest that a humanized anti-IL-26 mAb may be a potential therapeutic agent for the treatment of chronic GVHD.
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Affiliation(s)
- Ryo Hatano
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Takumi Itoh
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan.,Atopy (Allergy) Research Center, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Haruna Otsuka
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Harumi Saeki
- Department of Human Pathology, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Ayako Yamamoto
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Dan Song
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Yuki Shirakawa
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Satoshi Iyama
- Department of Hematology, Sapporo Medical University School of Medicine, Hokkaido, Japan
| | - Tsutomu Sato
- Department of Hematology, Toyama University Hospital, Toyama, Japan
| | - Noriaki Iwao
- Department of Hematology, Juntendo University Shizuoka Hospital, Shizuoka, Japan
| | - Norihiro Harada
- Department of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, Tokyo, Japan
| | - Thomas M Aune
- Department of Medicine, Vanderbilt University School of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Nam H Dang
- Division of Hematology/Oncology, University of Florida, Gainesville, Florida, USA
| | | | - Taketo Yamada
- Department of Pathology, Saitama Medical University, Saitama, Japan.,Department of Pathology, Keio University School of Medicine, Tokyo, Japan
| | - Chikao Morimoto
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kei Ohnuma
- Department of Therapy Development and Innovation for Immune Disorders and Cancers, Graduate School of Medicine, Juntendo University, Tokyo, Japan
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Brandel V, Schimek V, Göber S, Hammond T, Brunnthaler L, Schrottmaier WC, Mussbacher M, Sachet M, Liang YY, Reipert S, Ortmayr G, Pereyra D, Santol J, Rainer M, Walterskirchen N, Ramos C, Gerakopoulos V, Rainer C, Spittler A, Weiss T, Kain R, Messner B, Gruenberger T, Assinger A, Oehler R, Starlinger P. Hepatectomy-induced apoptotic extracellular vesicles stimulate neutrophils to secrete regenerative growth factors. J Hepatol 2022; 77:1619-1630. [PMID: 35985549 DOI: 10.1016/j.jhep.2022.07.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 06/30/2022] [Accepted: 07/25/2022] [Indexed: 12/04/2022]
Abstract
BACKGROUND & AIMS Surgical resection of the cancerous tissue represents one of the few curative treatment options for neoplastic liver disease. Such partial hepatectomy (PHx) induces hepatocyte hyperplasia, which restores liver function. PHx is associated with bacterial translocation, leading to an immediate immune response involving neutrophils and macrophages, which are indispensable for the priming phase of liver regeneration. Additionally, PHx induces longer-lasting intrahepatic apoptosis. Herein, we investigated the effect of apoptotic extracellular vesicles (aEVs) on neutrophil function and their role in this later phase of liver regeneration. METHODS A total of 124 patients undergoing PHx were included in this study. Blood levels of the apoptosis marker caspase-cleaved cytokeratin-18 (M30) and circulating aEVs were analyzed preoperatively and on the first and fifth postoperative days. Additionally, the in vitro effects of aEVs on the secretome, phenotype and functions of neutrophils were investigated. RESULTS Circulating aEVs increased at the first postoperative day and were associated with higher concentrations of M30, which was only observed in patients with complete liver recovery. Efferocytosis of aEVs by neutrophils induced an activated phenotype (CD11bhighCD16highCD66bhighCD62Llow); however, classical inflammatory responses such as NETosis, respiratory burst, degranulation, or secretion of pro-inflammatory cytokines were not observed. Instead, efferocytosing neutrophils released various growth factors including fibroblast growth factor-2 and hepatocyte growth factor (HGF). Accordingly, we observed an increase of HGF-positive neutrophils after PHx and a correlation of plasma HGF with M30 levels. CONCLUSIONS These data suggest that the clearance of PHx-induced aEVs leads to a population of non-inflammatory but regenerative neutrophils, which may support human liver regeneration. LAY SUMMARY In this study, we show that the surgical removal of a diseased part of the liver triggers a specific type of programmed cell death in the residual liver tissue. This results in the release of vesicles from dying cells into the blood, where they are cleared by circulating immune cells. These respond by secreting hepatocyte growth factors that could potentially support the regeneration of the liver remnant.
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Affiliation(s)
- Victoria Brandel
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria; Department of Vascular Biology and Thrombosis Research, Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Vanessa Schimek
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Samantha Göber
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Thomas Hammond
- Division of Molecular & Systems Toxicology, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland; Clinical Pharmacology and Safety Sciences, AstraZeneca, Cambridge, UK
| | - Laura Brunnthaler
- Department of Vascular Biology and Thrombosis Research, Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Waltraud Cornelia Schrottmaier
- Department of Vascular Biology and Thrombosis Research, Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Marion Mussbacher
- Department of Pharmacology and Toxicology, University of Graz, Graz, Austria
| | - Monika Sachet
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Ying Yu Liang
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Siegfried Reipert
- Core Facility Cell Imaging and Ultrastructure Research, University of Vienna, Vienna, Austria
| | - Gregor Ortmayr
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - David Pereyra
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria; Department of Vascular Biology and Thrombosis Research, Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Jonas Santol
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria; Department of Vascular Biology and Thrombosis Research, Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria; Department of Surgery, HPB Center, Viennese Health Network, Clinic Favoriten and Sigmund Freud Private University, Vienna, Austria
| | - Marlene Rainer
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Natalie Walterskirchen
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Cristiano Ramos
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Vasileios Gerakopoulos
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Carina Rainer
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Andreas Spittler
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Tamara Weiss
- Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Vienna, Vienna, Austria
| | - Renate Kain
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Barbara Messner
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Thomas Gruenberger
- Department of Surgery, HPB Center, Viennese Health Network, Clinic Favoriten and Sigmund Freud Private University, Vienna, Austria
| | - Alice Assinger
- Department of Vascular Biology and Thrombosis Research, Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Rudolf Oehler
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria.
| | - Patrick Starlinger
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria; Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, Mayo Clinic, Rochester, MN, USA
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Aymonnier K, Amsler J, Lamprecht P, Salama A, Witko‐Sarsat V. The neutrophil: A key resourceful agent in immune‐mediated vasculitis. Immunol Rev 2022; 314:326-356. [PMID: 36408947 DOI: 10.1111/imr.13170] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The term "vasculitis" refers to a group of rare immune-mediated diseases characterized by the dysregulated immune system attacking blood vessels located in any organ of the body, including the skin, lungs, and kidneys. Vasculitides are classified according to the size of the vessel that is affected. Although this observation is not specific to small-, medium-, or large-vessel vasculitides, patients show a high circulating neutrophil-to-lymphocyte ratio, suggesting the direct or indirect involvement of neutrophils in these diseases. As first responders to infection or inflammation, neutrophils release cytotoxic mediators, including reactive oxygen species, proteases, and neutrophil extracellular traps. If not controlled, this dangerous arsenal can injure the vascular system, which acts as the main transport route for neutrophils, thereby amplifying the initial inflammatory stimulus and the recruitment of immune cells. This review highlights the ability of neutrophils to "set the tone" for immune cells and other cells in the vessel wall. Considering both their long-established and newly described roles, we extend their functions far beyond their direct host-damaging potential. We also review the roles of neutrophils in various types of primary vasculitis, including immune complex vasculitis, anti-neutrophil cytoplasmic antibody-associated vasculitis, polyarteritis nodosa, Kawasaki disease, giant cell arteritis, Takayasu arteritis, and Behçet's disease.
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Affiliation(s)
- Karen Aymonnier
- INSERM U1016, Institut Cochin, Université Paris Cité, CNRS 8104 Paris France
| | - Jennifer Amsler
- INSERM U1016, Institut Cochin, Université Paris Cité, CNRS 8104 Paris France
| | - Peter Lamprecht
- Department of Rheumatology and Clinical Immunology University of Lübeck Lübeck Germany
| | - Alan Salama
- Department of Renal Medicine, Royal Free Hospital University College London London UK
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Costa S, Bevilacqua D, Caveggion E, Gasperini S, Zenaro E, Pettinella F, Donini M, Dusi S, Constantin G, Lonardi S, Vermi W, De Sanctis F, Ugel S, Cestari T, Abram CL, Lowell CA, Rodegher P, Tagliaro F, Girolomoni G, Cassatella MA, Scapini P. Neutrophils inhibit γδ T cell functions in the imiquimod-induced mouse model of psoriasis. Front Immunol 2022; 13:1049079. [DOI: 10.3389/fimmu.2022.1049079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 10/31/2022] [Indexed: 11/17/2022] Open
Abstract
BackgroundPsoriasis is a chronic skin disease associated with deregulated interplays between immune cells and keratinocytes. Neutrophil accumulation in the skin is a histological feature that characterizes psoriasis. However, the role of neutrophils in psoriasis onset and development remains poorly understood.MethodsIn this study, we utilized the model of psoriasiform dermatitis, caused by the repeated topical application of an imiquimod containing cream, in neutrophil-depleted mice or in mice carrying impairment in neutrophil functions, including p47phox -/- mice (lacking a cytosolic subunit of the phagocyte nicotinamide adenine dinucleotide phosphate - NADPH - oxidase) and Sykfl/fl MRP8-cre+ mice (carrying the specific deletion of the Syk kinase in neutrophils only), to elucidate the specific contribution of neutrophils to psoriasis development.ResultsBy analyzing disease development/progression in neutrophil-depleted mice, we now report that neutrophils act as negative modulators of disease propagation and exacerbation by inhibiting gammadelta T cell effector functions via nicotinamide adenine dinucleotide phosphate (NADPH) oxidase-mediated reactive oxygen species (ROS) production. We also report that Syk functions as a crucial molecule in determining the outcome of neutrophil and γδ T cell interactions. Accordingly, we uncover that a selective impairment of Syk-dependent signaling in neutrophils is sufficient to reproduce the enhancement of skin inflammation and γδ T cell infiltration observed in neutrophil-depleted mice.ConclusionsOverall, our findings add new insights into the specific contribution of neutrophils to disease progression in the IMQ-induced mouse model of psoriasis, namely as negative regulatory cells.
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Wigerblad G, Kaplan MJ. Neutrophil extracellular traps in systemic autoimmune and autoinflammatory diseases. Nat Rev Immunol 2022; 23:274-288. [PMID: 36257987 PMCID: PMC9579530 DOI: 10.1038/s41577-022-00787-0] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2022] [Indexed: 11/09/2022]
Abstract
Systemic autoimmune diseases are characterized by the failure of the immune system to differentiate self from non-self. These conditions are associated with significant morbidity and mortality, and they can affect many organs and systems, having significant clinical heterogeneity. Recent discoveries have highlighted that neutrophils, and in particular the neutrophil extracellular traps that they can release upon activation, can have central roles in the initiation and perpetuation of systemic autoimmune disorders and orchestrate complex inflammatory responses that lead to organ damage. Dysregulation of neutrophil cell death can lead to the modification of autoantigens and their presentation to the adaptive immune system. Furthermore, subsets of neutrophils that seem to be more prevalent in patients with systemic autoimmune disorders can promote vascular damage and increased oxidative stress. With the emergence of new technologies allowing for improved assessments of neutrophils, the complexity of neutrophil biology and its dysregulation is now starting to be understood. In this Review, we provide an overview of the roles of neutrophils in systemic autoimmune and autoinflammatory diseases and address putative therapeutic targets that may be explored based on this new knowledge.
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Cervantes-Alvarez E, Limon-de la Rosa N, Vilatoba M, Pérez-Monter C, Hurtado-Gomez S, Martinez-Cabrera C, Argemi J, Alatorre-Arenas E, Yarza-Regalado S, Tejeda-Dominguez F, Lizardo-Thiebaud MJ, Mendez-Guerrero O, Gamboa-Dominguez A, Aguilar-Salinas CA, Huang CA, Kershenobich D, Bataller R, Torre A, Navarro-Alvarez N. Galectin-3 is overexpressed in advanced cirrhosis and predicts post-liver transplant infectious complications. Liver Int 2022; 42:2260-2273. [PMID: 35635536 DOI: 10.1111/liv.15326] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 05/12/2022] [Accepted: 05/27/2022] [Indexed: 02/13/2023]
Abstract
BACKGROUND & AIMS Patients with advanced cirrhosis often have immune dysfunction and are more susceptible to infections. Galectin-3 is a β-galactoside-binding lectin implicated in inflammation, immune regulation and liver fibrosis. We aim to investigate galectin-3 expression in advanced cirrhosis and its ability to predict post-transplant infectious complications. METHODS We collected sera and liver samples from 129 cirrhotic patients at the time of liver transplantation and from an external cohort of 37 patients with alcoholic liver disease including alcoholic hepatitis (AH) at the time of diagnosis. Galectin-3 was assessed by ELISA, real-time PCR, immunohistochemistry and RNA-seq. Receiver operating characteristic curves and Cox proportional-hazards regression analysis were performed to assess the predictive power of galectin-3 for disease severity and post-transplant infections. RESULTS Increased galectin-3 levels were found in advanced cirrhosis. Galectin-3 significantly correlated with disease severity parameters and inflammatory markers. Galectin-3 had significant discriminating power for compensated and advanced cirrhosis (AUC = 0.78/0.84, circulating/liver galectin-3; p < .01), and was even higher to discriminate severe AH (AUC = 0.95, p < .0001). Cox Proportional-hazard model showed that galectin-3, MELD-Na and the presence of SIRS predict the development of post-transplant infectious complications. Patients with circulating galectin-3 (>16.58 ng/ml) were at 2.19-fold 95% CI (1.12-4.29) increased risk, but when combined with MELD-Na > 20.0 and SIRS, the risk to develop post-transplant infectious complications, increased to 4.60, 95% CI (2.38-8.90). CONCLUSION Galectin-3 is a novel biological marker of active inflammation and disease severity that could be clinically useful alone or in combination with other scores to discriminate advanced cirrhosis and predict post-transplant infectious complications.
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Affiliation(s)
- Eduardo Cervantes-Alvarez
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.,PECEM, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Nathaly Limon-de la Rosa
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Mario Vilatoba
- Department of Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Carlos Pérez-Monter
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Sahara Hurtado-Gomez
- Department of Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Cynthia Martinez-Cabrera
- Department of Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Josepmaria Argemi
- Center for Liver Diseases, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Liver Unit, Clinica Universidad de Navarra, Hepatology Program, Center for Applied Medical Research, Pamplona, Spain
| | - Elisa Alatorre-Arenas
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Susana Yarza-Regalado
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | | | | | - Osvely Mendez-Guerrero
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Armando Gamboa-Dominguez
- Department of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Carlos A Aguilar-Salinas
- Department of Endocrinology and Metabolism, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Christene A Huang
- Department of Surgery, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
| | - David Kershenobich
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Ramon Bataller
- Center for Liver Diseases, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Liver Unit, Clinica Universidad de Navarra, Hepatology Program, Center for Applied Medical Research, Pamplona, Spain
| | - Aldo Torre
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Nalu Navarro-Alvarez
- Department of Gastroenterology, Hepatology and Liver Transplantation Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.,Universidad Panamericana School of Medicine, Mexico City, Mexico.,Department of Surgery, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
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46
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Agarwal S. Neutrophil-Lymphocyte Ratio Predicting Case Severity in SARS-CoV-2 Infection: A Review. Cureus 2022; 14:e29760. [PMID: 36187170 PMCID: PMC9521818 DOI: 10.7759/cureus.29760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2022] [Indexed: 12/15/2022] Open
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Zahid KR, Raza U, Tumbath S, Jiang L, Xu W, Huang X. Neutrophils: Musketeers against immunotherapy. Front Oncol 2022; 12:975981. [PMID: 36091114 PMCID: PMC9453237 DOI: 10.3389/fonc.2022.975981] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/01/2022] [Indexed: 11/24/2022] Open
Abstract
Neutrophils, the most copious leukocytes in human blood, play a critical role in tumorigenesis, cancer progression, and immune suppression. Recently, neutrophils have attracted the attention of researchers, immunologists, and oncologists because of their potential role in orchestrating immune evasion in human diseases including cancer, which has led to a hot debate redefining the contribution of neutrophils in tumor progression and immunity. To make this debate fruitful, this review seeks to provide a recent update about the contribution of neutrophils in immune suppression and tumor progression. Here, we first described the molecular pathways through which neutrophils aid in cancer progression and orchestrate immune suppression/evasion. Later, we summarized the underlying molecular mechanisms of neutrophil-mediated therapy resistance and highlighted various approaches through which neutrophil antagonism may heighten the efficacy of the immune checkpoint blockade therapy. Finally, we have highlighted several unsolved questions and hope that answering these questions will provide a new avenue toward immunotherapy revolution.
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Affiliation(s)
- Kashif Rafiq Zahid
- Department of Radiation Oncology, Melvin and Bren Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Umar Raza
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
| | - Soumya Tumbath
- Department of Radiation Oncology, Melvin and Bren Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Lingxiang Jiang
- Department of Radiation Oncology, Melvin and Bren Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Wenjuan Xu
- Department of Radiation Oncology, Melvin and Bren Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Xiumei Huang
- Department of Radiation Oncology, Melvin and Bren Simon Comprehensive Cancer Center, Indiana University School of Medicine, Indianapolis, IN, United States
- *Correspondence: Xiumei Huang,
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48
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Cristinziano L, Modestino L, Capone M, Madonna G, Mallardo D, Giannarelli D, D’Angelo G, Ferrara AL, Loffredo S, Varricchi G, Vanella V, Festino L, Ascierto PA, Galdiero MR. PD-L1+ neutrophils as novel biomarkers for stage IV melanoma patients treated with nivolumab. Front Immunol 2022; 13:962669. [PMID: 36016960 PMCID: PMC9398490 DOI: 10.3389/fimmu.2022.962669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Melanoma displays a rising incidence, and the mortality associated with metastatic form remains high. Monoclonal antibodies that block programmed death (PD-1) and PD Ligand 1 (PD-L1) network have revolutionized the history of metastatic disease. PD-L1 is expressed on several immune cells and can be also expressed on human neutrophils (PMNs). The role of peripheral blood PMNs as predictive biomarkers in anti-PD-1 therapy of melanoma is largely unknown. In this study, we aimed to determine activation status and PD-L1 expression on human neutrophils as possible novel biomarkers in stage IV melanoma patients (MPs). We found that PMNs from MPs displayed an activated phenotype and increased PD-L1 levels compared to healthy controls (HCs). Patients with lower PD-L1+ PMN frequencies displayed better progression-free survival (PFS) and overall survival (OS) compared to patients with high PD-L1+ PMN frequencies. Multivariate analysis showed that PD-L1+ PMNs predicted patient outcome in BRAF wild type MP subgroup but not in BRAF mutated MPs. PD-L1+ PMN frequency emerges as a novel biomarker in stage IV BRAF wild type MPs undergoing anti-PD-1 immunotherapy. Our findings suggest further evaluation of the role of neutrophil subsets and their mediators in melanoma patients undergoing immunotherapy.
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Affiliation(s)
- Leonardo Cristinziano
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, Naples, Italy
- Center for Basic and Clinical Immunology Research, Interdipartimental Center for basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO) Center of Excellence, University of Naples Federico II, Naples, Italy
| | - Luca Modestino
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, Naples, Italy
- Center for Basic and Clinical Immunology Research, Interdipartimental Center for basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO) Center of Excellence, University of Naples Federico II, Naples, Italy
| | - Mariaelena Capone
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Gabriele Madonna
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Domenico Mallardo
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Diana Giannarelli
- Clinical Trial Center, Biostatistics and Bioinformatics Unit, Scientific Direction, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Regina Elena National Cancer Institute, Rome, Italy
| | - Grazia D’Angelo
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Anne Lise Ferrara
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, Naples, Italy
- Center for Basic and Clinical Immunology Research, Interdipartimental Center for basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO) Center of Excellence, University of Naples Federico II, Naples, Italy
- Institute of Experimental Endocrinology and Oncology, Istituto per l'Endocrinologia e l'Oncologia Sperimentale (IEOS), National Research Council (CNR), Naples, Italy
| | - Stefania Loffredo
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, Naples, Italy
- Center for Basic and Clinical Immunology Research, Interdipartimental Center for basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO) Center of Excellence, University of Naples Federico II, Naples, Italy
- Institute of Experimental Endocrinology and Oncology, Istituto per l'Endocrinologia e l'Oncologia Sperimentale (IEOS), National Research Council (CNR), Naples, Italy
| | - Gilda Varricchi
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, Naples, Italy
- Center for Basic and Clinical Immunology Research, Interdipartimental Center for basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO) Center of Excellence, University of Naples Federico II, Naples, Italy
- Institute of Experimental Endocrinology and Oncology, Istituto per l'Endocrinologia e l'Oncologia Sperimentale (IEOS), National Research Council (CNR), Naples, Italy
| | - Vito Vanella
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Lucia Festino
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Paolo Antonio Ascierto
- Melanoma, Cancer Immunotherapy, and Development Therapeutics Unit, Istituto Nazionale Tumori IRCCS Fondazione “G. Pascale”, Naples, Italy
| | - Maria Rosaria Galdiero
- Department of Translational Medical Sciences (DiSMeT), University of Naples Federico II, Naples, Italy
- Center for Basic and Clinical Immunology Research, Interdipartimental Center for basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO) Center of Excellence, University of Naples Federico II, Naples, Italy
- Institute of Experimental Endocrinology and Oncology, Istituto per l'Endocrinologia e l'Oncologia Sperimentale (IEOS), National Research Council (CNR), Naples, Italy
- *Correspondence: Maria Rosaria Galdiero,
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Georgakopoulou VE, Makrodimitri S, Triantafyllou M, Samara S, Voutsinas PM, Anastasopoulou A, Papageorgiou CV, Spandidos DA, Gkoufa A, Papalexis P, Xenou E, Chelidonis G, Sklapani P, Trakas N, Sipsas NV. Immature granulocytes: Innovative biomarker for SARS‑CoV‑2 infection. Mol Med Rep 2022; 26:217. [PMID: 35551416 PMCID: PMC9175277 DOI: 10.3892/mmr.2022.12733] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/29/2022] [Indexed: 12/15/2022] Open
Abstract
Immature granulocytes (IGs) include metamyelocytes, myelocytes and promyelocytes, and are the precursors of neutrophils. Increased IG counts found in peripheral blood indicate an enhanced bone marrow activity. In addition, IGs have been evaluated in numerous clinical conditions, such as severe acute pancreatitis, systemic inflammatory response syndrome and infectious complications following open‑heart surgery under cardiopulmonary bypass. Neutrophils are considered to play a crucial role in the host defense during bacterial and fungal infections, and are involved in the antiviral immune response. Numerous studies have reported the role of neutrophils in coronavirus disease 2019 (COVID‑19) infection, concluding that the percentage of neutrophils may be a predictor of the severity of COVID‑19 infection. There has been limited research regarding the role of neutrophil precursors in viral infections, including severe acute respiratory syndrome coronavirus 2 infection. The present thus aimed to evaluate the role of the IG count in patients hospitalized due to COVID‑19 infection. The patients were predominantly infected with the alpha variant and were all unvaccinated. The IG count was measured and was found to be associated with disease severity, with patient outcomes, with the duration of hospitalization and with the development of complications. The IG count was a significantly associated with the severity of COVID‑19 infection, with greater IG count values being detected in severe and critical cases. In addition, greater IG count values were associated with a longer duration of hospitalization. Furthermore, the IG count was found to be an independent prognostic biomarker of intubation and mortality in patients with COVID‑19, according to multivariate logistic regression analysis, including age, the male sex and the presence of comorbidities as confounders.
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Affiliation(s)
| | - Sotiria Makrodimitri
- Department of Infectious Diseases-COVID-19 Unit, Laiko General Hospital, 11527 Athens, Greece
| | - Maria Triantafyllou
- Department of Infectious Diseases-COVID-19 Unit, Laiko General Hospital, 11527 Athens, Greece
| | - Stamatia Samara
- Department of Infectious Diseases-COVID-19 Unit, Laiko General Hospital, 11527 Athens, Greece
| | - Pantazis M. Voutsinas
- Department of Infectious Diseases-COVID-19 Unit, Laiko General Hospital, 11527 Athens, Greece
| | - Amalia Anastasopoulou
- First Department of Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | | | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Aikaterini Gkoufa
- First Department of Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Petros Papalexis
- Unit of Endocrinology, First Department of Propedeutic and Internal Medicine, Laiko General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
- Department of Biomedical Sciences, University of West Attica, 12243 Athens, Greece
| | - Euthalia Xenou
- Laboratory of Hematology, Laiko General Hospital, 11527 Athens, Greece
| | | | - Pagona Sklapani
- Department of Cytology, Mitera Hospital, 15123 Athens, Greece
| | - Nikolaos Trakas
- Department of Biochemistry, Sismanogleio Hospital, 15126 Athens, Greece
| | - Nikolaos V. Sipsas
- Department of Infectious Diseases-COVID-19 Unit, Laiko General Hospital, 11527 Athens, Greece
- Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
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50
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Rankin AN, Hendrix SV, Naik SK, Stallings CL. Exploring the Role of Low-Density Neutrophils During Mycobacterium tuberculosis Infection. Front Cell Infect Microbiol 2022; 12:901590. [PMID: 35800386 PMCID: PMC9253571 DOI: 10.3389/fcimb.2022.901590] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/23/2022] [Indexed: 12/14/2022] Open
Abstract
Tuberculosis (TB) is caused by infection with the bacterium Mycobacterium tuberculosis (Mtb), which primarily infects the lungs but can also cause extrapulmonary disease. Both the disease outcome and the pathology of TB are driven by the immune response mounted by the host. Infection with Mtb elicits inflammatory host responses that are necessary to control infection, but can also cause extensive tissue damage when in excess, and thus must be precisely balanced. In particular, excessive recruitment of neutrophils to the site of infection has been associated with poor control of Mtb infection, prompting investigations into the roles of neutrophils in TB disease outcomes. Recent studies have revealed that neutrophils can be divided into subpopulations that are differentially abundant in TB disease states, highlighting the potential complexities in determining the roles of neutrophils in Mtb infection. Specifically, neutrophils can be separated into normal (NDN) and low-density neutrophils (LDNs) based on their separation during density gradient centrifugation and surface marker expression. LDNs are present in higher numbers during active TB disease and increase in frequency with disease progression, although their direct contribution to TB is still unknown. In addition, the abundance of LDNs has also been associated with the severity of other lung infections, including COVID-19. In this review, we discuss recent findings regarding the roles of LDNs during lung inflammation, emphasizing their association with TB disease outcomes. This review highlights the importance of future investigations into the relationship between neutrophil diversity and TB disease severity.
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