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Zukas K, Cayford J, Serneo F, Atteberry B, Retter A, Eccleston M, Kelly TK. Rapid high-throughput method for investigating physiological regulation of neutrophil extracellular trap formation. J Thromb Haemost 2024; 22:2543-2554. [PMID: 38866247 DOI: 10.1016/j.jtha.2024.05.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 05/01/2024] [Accepted: 05/14/2024] [Indexed: 06/14/2024]
Abstract
BACKGROUND Neutrophils, the most abundant white blood cells in humans, play pivotal roles in innate immunity, rapidly migrating to sites of infection and inflammation to phagocytose, neutralize, and eliminate invading pathogens. Neutrophil extracellular trap (NET) formation is increasingly recognized as an essential rapid innate immune response, but when dysregulated, it contributes to pathogenesis of sepsis and immunothrombotic disease. OBJECTIVES Current NETosis models are limited, routinely employing nonphysiological triggers that can bypass natural NET regulatory pathways. Models utilizing isolated neutrophils and immortalized cell lines do not reflect the complex biology underlying neutrophil activation and NETosis that occurs in whole blood. To our knowledge, we report the first human ex vivo model utilizing naturally occurring molecules to induce NETosis in whole blood. This approach could be used for drug screening and, importantly, inadvertent activators of NETosis. METHODS Here we describe a novel, high-throughput ex vivo whole blood-induced NETosis model using combinatorial pooling of native NETosis-inducing factors in a more biologically relevant Synthetic-Sepsis model. RESULTS We found different combinations of factors evoked distinct neutrophil responses in the rate of NET generation and/or magnitude of NETosis. Despite interdonor variability, similar sets of proinflammatory molecules induced consistent responses across donors. We found that at least 3 biological triggers were necessary to induce NETosis in our system including either tumor necrosis factor-α or lymphotoxin-α. CONCLUSION These findings emphasize the importance of investigating neutrophil physiology in a biologically relevant context to enable a better understanding of disease pathology, risk factors, and therapeutic targets, potentially providing novel strategies for disease intervention and treatment.
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Affiliation(s)
- Kieran Zukas
- Innovation Lab, Volition America, Carlsbad, CA 92011, USA
| | - Justin Cayford
- Innovation Lab, Volition America, Carlsbad, CA 92011, USA
| | - Finley Serneo
- Innovation Lab, Volition America, Carlsbad, CA 92011, USA
| | | | - Andrew Retter
- Department of Critical Care, Guy's & St. Thomas' NHS Foundation Trust, London, United Kingdom
| | - Mark Eccleston
- Innovation Lab, Volition America, Carlsbad, CA 92011, USA
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Li Y, Yang T, Jiang B. Neutrophil and neutrophil extracellular trap involvement in neutrophilic asthma: A review. Medicine (Baltimore) 2024; 103:e39342. [PMID: 39183388 PMCID: PMC11346896 DOI: 10.1097/md.0000000000039342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/21/2024] [Accepted: 07/26/2024] [Indexed: 08/27/2024] Open
Abstract
Asthma is a highly prevalent chronic inflammatory disease characterized by variable airflow obstruction and airway hyperresponsiveness. Neutrophilic asthma (NA) is classified as "type 2 low" asthma, defined as 65% or more neutrophils in the total cell count. There is no clear consensus on the pathogenesis of NA, and the accumulation of neutrophils and release of neutrophil extracellular traps (NETs) may be responsible for its development. A NET is a large extracellular meshwork comprising cell membrane and granule proteins. It is a powerful antimicrobial defence system that traps, neutralizes, and kills bacteria, fungi, viruses, and parasites and prevents the spread of microorganisms. However, dysregulation of NETs may lead to chronic airway inflammation, is associated with worsening of asthma, and has been the subject of major research advances in chronic lung diseases in recent years. NA is insensitive to steroids, and there is a need to find effective biomarkers as targets for the treatment of NA to replace steroids. This review analyses the mechanisms of action between asthmatic neutrophil recruitment and NET formation and their impact on NA development. It also discusses their possible therapeutic significance in NA, summarizing the advances made in NA agents and providing strategies for the treatment of NA, provide a theoretical basis for the development of new therapeutic drugs, thereby improving the level of diagnosis and treatment, and promoting the research progress in the field of asthma.
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Affiliation(s)
- Yuemu Li
- Institutes of Integrative Medicine, Heilongjiang Provincial Hospital of Traditional Chinese Medicine, Heilongjiang, China
| | - Tianyi Yang
- Institutes of Integrative Medicine, Heilongjiang Provincial Hospital of Traditional Chinese Medicine, Heilongjiang, China
| | - Baihua Jiang
- Institutes of Integrative Medicine, Heilongjiang Provincial Hospital of Traditional Chinese Medicine, Heilongjiang, China
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3
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Lu KC, Tsai KW, Wang YK, Hu WC. Types of cell death and their relations to host immunological pathways. Aging (Albany NY) 2024; 16:11755-11768. [PMID: 39120579 PMCID: PMC11346778 DOI: 10.18632/aging.206035] [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: 02/15/2024] [Accepted: 07/17/2024] [Indexed: 08/10/2024]
Abstract
Various immune pathways have been identified in the host, including TH1, TH2, TH3, TH9, TH17, TH22, TH1-like, and THαβ immune reactions. While TH2 and TH9 responses primarily target multicellular parasites, host immune pathways directed against viruses, intracellular microorganisms (such as bacteria, protozoa, and fungi), and extracellular microorganisms can employ programmed cell death mechanisms to initiate immune responses or execute effective strategies for pathogen elimination. The types of programmed cell death involved include apoptosis, autophagy, pyroptosis, ferroptosis, necroptosis, and NETosis. Specifically, apoptosis is associated with host anti-virus eradicable THαβ immunity, autophagy with host anti-virus tolerable TH3 immunity, pyroptosis with host anti-intracellular microorganism eradicable TH1 immunity, ferroptosis with host anti-intracellular microorganism tolerable TH1-like immunity, necroptosis with host anti-extracellular microorganism eradicable TH22 immunity, and NETosis with host anti-extracellular microorganism tolerable TH17 immunity.
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Affiliation(s)
- Kuo-Cheng Lu
- Department of Medicine, Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan, ROC
- Department of Medicine, Division of Nephrology, Fu Jen Catholic University Hospital, School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan, ROC
| | - Kuo-Wang Tsai
- Department of Medical Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan, ROC
| | - Yu-Kuen Wang
- Department of Obstetrics and Gynecology, Taoyuan Armed Forced General Hospital, Taiwan, ROC
- Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Wan-Chung Hu
- Department of Medical Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan, ROC
- Department of Clinical pathology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City 231, Taiwan, ROC
- Department of Biotechnology, Ming Chuan University, Taoyuan City 333, Taiwan, ROC
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4
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Long D, Mao C, Xu Y, Zhu Y. The emerging role of neutrophil extracellular traps in ulcerative colitis. Front Immunol 2024; 15:1425251. [PMID: 39170617 PMCID: PMC11335521 DOI: 10.3389/fimmu.2024.1425251] [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: 04/29/2024] [Accepted: 07/22/2024] [Indexed: 08/23/2024] Open
Abstract
Ulcerative colitis (UC) is characterized by chronic non-recessive inflammation of the intestinal mucosa involving both innate and adaptive immune responses. Currently, new targeted therapies are urgently needed for UC, and neutrophil extracellular traps (NETs) are new therapeutic options. NETs are DNA-based networks released from neutrophils into the extracellular space after stimulation, in which a variety of granule proteins, proteolytic enzymes, antibacterial peptides, histones, and other network structures are embedded. With the deepening of the studies on NETs, their regulatory role in the development of autoimmune and autoinflammatory diseases has received extensive attention in recent years. Increasing evidence indicates that excess NETs exacerbate the inflammatory response in UC, disrupting the structure and function of the intestinal mucosal barrier and increasing the risk of thrombosis. Although NETs are usually assigned a deleterious role in promoting the pathological process of UC, they also appear to have a protective role in some models. Despite such progress, comprehensive reviews describing the therapeutic promise of NETs in UC remain limited. In this review, we discuss the latest evidence for the formation and degradation of NETs, focusing on their double-edged role in UC. Finally, the potential implications of NETs as therapeutic targets for UC will be discussed. This review aims to provide novel insights into the pathogenesis and therapeutic options for UC.
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Affiliation(s)
- Dan Long
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Chenhan Mao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yin Xu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ying Zhu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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5
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Jones C, La Flamme A, Larsen P, Hally K. CPHEN-017: Comprehensive phenotyping of neutrophil extracellular traps (NETs) on peripheral human neutrophils. Cytometry A 2024. [PMID: 38867433 DOI: 10.1002/cyto.a.24851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 04/29/2024] [Accepted: 05/10/2024] [Indexed: 06/14/2024]
Abstract
With the recent discovery of their ability to produce neutrophil extracellular traps (NETs), neutrophils are increasingly appreciated as active participants in infection and inflammation. NETs are characterized as large, web-like networks of DNA and proteins extruded from neutrophils, and there is considerable interest in how these structures drive disease in humans. Advancing research in this field is contingent on developing novel tools for quantifying NETosis. To this end, we have developed a 7-marker flow cytometry panel for analyzing NETosis on human peripheral neutrophils following in vitro stimulation, and in fresh circulating neutrophils under inflammatory conditions. This panel was optimized on neutrophils isolated from whole blood and analyzed fresh or in vitro stimulated with phorbol 12-myristate 13-acetate (PMA) or ionomycin, two known NET-inducing agonists. Neutrophils were identified as SSChighFSChighCD15+CD66b+. Neutrophils positive for amine residues and 7-Aminoactinomycin D (7-AAD), our DNA dye of choice, were deemed necrotic (Zombie-NIR+7-AAD+) and were removed from downstream analysis. Exclusion of Zombie-NIR and positivity for 7-AAD (Zombie-NIRdim7-AAD+) was used here as a marker of neutrophil-appendant DNA, a key feature of NETs. The presence of two NET-associated proteins - myeloperoxidase (MPO) and neutrophil elastase (NE) - were utilized to identify neutrophil-appendant NET events (SSChighFSChighCD15+CD66b+Zombie NIRdim7-AAD+MPO+NE+). We also demonstrate that NETotic neutrophils express citrullinated histone H3 (H3cit), are concentration-dependently induced by in vitro PMA and ionomycin stimulation but are disassembled with DNase treatment, and are present in both chronic and acute inflammation. This 7-color flow cytometry panel provides a novel tool for examining NETosis in humans.
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Affiliation(s)
- Ceridwyn Jones
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Anne La Flamme
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Peter Larsen
- Department of Surgery and Anaesthesia, University of Otago, Wellington, New Zealand
| | - Kathryn Hally
- Department of Surgery and Anaesthesia, University of Otago, Wellington, New Zealand
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Weng Y, Zhu J, Li S, Wang Y, Lin S, Xie W, Chen S, Chen S, Chen X, Wang Y, Wang L, Zhang X, Yang D. Dynamic changes of peripheral inflammatory markers link with disease severity and predict short-term poor outcome of myasthenia gravis. J Neurochem 2024. [PMID: 38822659 DOI: 10.1111/jnc.16138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/08/2024] [Accepted: 05/08/2024] [Indexed: 06/03/2024]
Abstract
The relationship between peripheral inflammatory markers, their dynamic changes, and the disease severity of myasthenia gravis (MG) is still not fully understood. Besides, the possibility of using it to predict the short-term poor outcome of MG patients have not been demonstrated. This study aims to investigate the relationship between peripheral inflammatory markers and their dynamic changes with Myasthenia Gravis Foundation of America (MGFA) classification (primary outcome) and predict the short-term poor outcome (secondary outcome) in MG patients. The study retrospectively enrolled 154 MG patients from June 2016 to December 2021. The logistic regression was used to investigate the relationship of inflammatory markers with MGFA classification and determine the factors for model construction presented in a nomogram. Finally, net reclassification improvement (NRI) and integrated discrimination improvement (IDI) were utilized to evaluate the incremental capacity. Logistic regression revealed significant associations between neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), aggregate index of systemic inflammation (AISI) and MGFA classification (p = 0.013, p = 0.032, p = 0.017, respectively). Incorporating dynamic changes of inflammatory markers into multivariable models improved their discriminatory capacity of disease severity, with significant improvements observed for NLR, systemic immune-inflammation index (SII) and AISI in NRI and IDI. Additionally, AISI was statistically associated with short-term poor outcome and a prediction model incorporating dynamic changes of inflammatory markers was constructed with the area under curve (AUC) of 0.953, presented in a nomograph. The inflammatory markers demonstrate significant associations with disease severity and AISI could be regarded as a possible and easily available predictive biomarker for short-term poor outcome in MG patients.
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Affiliation(s)
- Yiyun Weng
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jinrong Zhu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Shengqi Li
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The First School of Medicine, School of Information and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Yanchu Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The First School of Medicine, School of Information and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Shenyi Lin
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The First School of Medicine, School of Information and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Wei Xie
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The First School of Medicine, School of Information and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Siqi Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Siyao Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The First School of Medicine, School of Information and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Xuanyang Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Yukai Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Lingsheng Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- The First School of Medicine, School of Information and Engineering, Wenzhou Medical University, Wenzhou, China
| | - Xu Zhang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Dehao Yang
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Zhang L, Nie F, Zhao J, Li S, Liu W, Guo H, Yang P. PGRN is involved in macrophage M2 polarization regulation through TNFR2 in periodontitis. J Transl Med 2024; 22:407. [PMID: 38689292 PMCID: PMC11061905 DOI: 10.1186/s12967-024-05214-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/16/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND AND OBJECTIVE Progranulin (PGRN), a multifunctional growth factor, plays indispensable roles in the regulation of cancer, inflammation, metabolic diseases, and neurodegenerative diseases. Nevertheless, its immune regulatory role in periodontitis is insufficiently understood. This study attempts to explore the regulatory effects of PGRN on macrophage polarization in periodontitis microenvironment. METHODS Immunohistochemical (IHC) and multiplex immunohistochemical (mIHC) stainings were performed to evaluate the expression of macrophage-related markers and PGRN in gingival samples from periodontally healthy subjects and periodontitis subjects. RAW264.7 cells and bone marrow-derived macrophages (BMDMs) were polarized towards M1 or M2 macrophages by the addition of LPS or IL-4, respectively, and were treated with or without PGRN. Real-time fluorescence quantitative PCR (qRT-PCR), immunofluorescence staining (IF), enzyme-linked immunosorbent assay (ELISA), and flow cytometry were used to determine the expressions of M1 and M2 macrophage-related markers. Co-immunoprecipitation was performed to detect the interaction between PGRN and tumor necrosis factor receptor 2 (TNFR2). Neutralizing antibody was used to block TNFR2 to confirm the role of TNFR2 in PGRN-mediated macrophage polarization. RESULTS The IHC and mIHC staining of human gingival slices showed a significant accumulation of macrophages in the microenvironment of periodontitis, with increased expressions of both M1 and M2 macrophage markers. Meanwhile, PGRN was widely expressed in the gingival tissue of periodontitis and co-expressed mainly with M2 macrophages. In vitro experiments showed that in RAW264.7 cells and BMDMs, M1 markers (CD86, TNF-α, iNOS, and IL-6) substantially decreased and M2 markers (CD206, IL-10, and Arg-1) significantly increased when PGRN was applied to LPS-stimulated macrophages relatively to LPS stimulation alone. Besides, PGRN synergistically promoted IL-4-induced M2 markers expression, such as CD206, IL-10, and Arg1. In addition, the co-immunoprecipitation result showed the direct interaction of PGRN with TNFR2. mIHC staining further revealed the co-localization of PGRN and TNFR2 on M2 macrophages (CD206+). Blocking TNFR2 inhibited the regulation role of PGRN on macrophage M2 polarization. CONCLUSIONS In summary, PGRN promotes macrophage M2 polarization through binding to TNFR2 in both pro- and anti-inflammatory periodontal microenvironments.
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Affiliation(s)
- Liguo Zhang
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Shandong University, Jinan, Shandong, 250012, China
| | - Fujiao Nie
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Shandong University, Jinan, Shandong, 250012, China
| | - Jingjing Zhao
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Shandong University, Jinan, Shandong, 250012, China
| | - Shutong Li
- Section of Infection and Immunity, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
| | - Wenchuan Liu
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Shandong University, Jinan, Shandong, 250012, China
| | - Hongmei Guo
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Shandong University, Jinan, Shandong, 250012, China.
| | - Pishan Yang
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Shandong University, Jinan, Shandong, 250012, China.
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Salvador-Martín S, Rubbini G, Vellosillo P, Zapata-Cobo P, Velasco M, Palomino LM, Clemente S, Segarra O, Moreno-Álvarez A, Fernández-Lorenzo A, Pérez-Moneo B, Montraveta M, Sánchez C, Tolín M, Loverdos I, Fobelo MJ, Navas-López VM, Magallares L, García-Romero R, Torres-Peral R, Rodríguez A, Bossacoma F, Merino-Bohórquez V, Salcedo E, Álvarez R, Dopazo A, Sanjurjo-Sáez M, López-Fernández LA. Blood gene expression biomarkers of response to anti-TNF drugs in pediatric inflammatory bowel diseases before initiation of treatment. Biomed Pharmacother 2024; 173:116299. [PMID: 38401525 DOI: 10.1016/j.biopha.2024.116299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 02/06/2024] [Accepted: 02/17/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND/AIMS Changes in gene expression profiles among individuals with inflammatory bowel diseases (IBDs) could potentially influence the responsiveness to anti-TNF treatment. The aim of this study was to identify genes that could serve as predictors of early response to anti-TNF therapies in pediatric IBD patients prior to the initiation of treatment. METHODS We conducted a prospective, longitudinal, and multicenter study, enrolling 24 pediatric IBD patients aged less than 18 years who were initiating treatment with either infliximab or adalimumab. RNA-seq from blood samples was analyzed using the DESeq2 library by comparing responders and non-responders to anti-TNF drugs. RESULTS Bioinformatic analyses unveiled 102 differentially expressed genes, with 99 genes exhibiting higher expression in responders compared to non-responders prior to the initiation of anti-TNF therapy. Functional enrichment analyses highlighted defense response to Gram-negative bacteria (FDR = 2.3 ×10-7) as the most significant biological processes, and hemoglobin binding (FDR = 0.002), as the most significant molecular function. Gene Set Enrichment Analysis (GSEA) revealed notable enrichment in transcriptional misregulation in cancer (FDR = 0.016). Notably, 13 genes (CEACAM8, CEACAM6, CILP2, COL17A1, OLFM4, INHBA, LCN2, LTF, MMP8, DEFA4, PRTN3, AZU1, and ELANE) were selected for validation, and a consistent trend of increased expression in responders prior to drug administration was observed for most of these genes, with findings for 4 of them being statistically significant (CEACAM8, LCN2, LTF2, and PRTN3). CONCLUSIONS We identified 102 differentially expressed genes involved in the response to anti-TNF drugs in children with IBDs and validated CEACAM8, LCN2, LTF2, and PRTN3. Genes participating in defense response to Gram-negative bacterium, serine-type endopeptidase activity, and transcriptional misregulation in cancer are good candidates for anticipating the response to anti-TNF drugs in children with IBDs.
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Affiliation(s)
- Sara Salvador-Martín
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - Gianluca Rubbini
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - Perceval Vellosillo
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain; Unidad de Investigación Materno Infantil Fundación Familia Alonso (UDIMIFFA), Spain.
| | - Paula Zapata-Cobo
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - Marta Velasco
- Hospital Universitario Infantil Niño Jesús, Madrid, Spain.
| | | | | | | | | | | | | | | | - Cesar Sánchez
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - Mar Tolín
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | | | - María José Fobelo
- Hospital Universitario Virgen de Valme, Universidad de Sevilla, Sevilla, Spain.
| | | | | | | | | | | | - Ferrán Bossacoma
- Servicio de Gastroenterología, Hepatología y Nutrición Pediátrica, Hospital Sant Joan de Dèu, Barcelona, Spain.
| | | | | | - Rebeca Álvarez
- Genomics Unit, Spanish National Center for Cardiovascular Disease (CNIC), Madrid 28029, Spain.
| | - Ana Dopazo
- Genomics Unit, Spanish National Center for Cardiovascular Disease (CNIC), Madrid 28029, Spain.
| | - María Sanjurjo-Sáez
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - Luis A López-Fernández
- Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
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9
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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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10
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Liu H, Sun J, Wang Z, Han R, Zhao Y, Lou Y, Wang H. S100a10 deficiency in neutrophils aggravates ulcerative colitis in mice. Int Immunopharmacol 2024; 128:111499. [PMID: 38232535 DOI: 10.1016/j.intimp.2024.111499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/27/2023] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
BACKGROUND AND AIMS S100a10 is a member of the S100 family of proteins, which plays a key role in the depression and tumor metastasis. However, the role of S100a10 is unclear in ulcerative colitis. METHODS The effect of S100a10 was assessed using a murine ulcerative colitis model which was accompanied by parameters including body weight loss, disease activity index, histological score, colon weight and length. The quantity and role of immune cells was determined by flow cytometry and bone marrow chimeric mice. Neutrophils depletion, adoptive cell transfer and conditional knockout mice were used to ascertain which cells played the key role in ulcerative colitis. The function of neutrophils was evaluated by migration assay, phagocytosis assay, multiplex immunoassay and real-time PCR. RESULTS In this study, our data showed that S100a10-/- mice were prone to ulcerative colitis induced by dextran sodium sulfate. Neutrophils number increased in colon of S100a10-/- mice after dextran sodium sulfate treatment significantly. Meanwhile, adoptive transfer of neutrophils from wild type mice partially decreased the susceptibility of S100a10-/- mice to dextran sodium sulfate. There was no difference in ulcerative colitis between the groups of S100a10-/- mice without neutrophils and wild type mice. Finally, we found that S100a10-/- neutrophils had stronger function in secretion and synthesis of inflammatory factor. CONCLUSIONS In one word, these results suggest that S100a10 has a role in inhibiting the pathogenesis of ulcerative colitis through regulation of neutrophils function.
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Affiliation(s)
- Huandi Liu
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China
| | - Jiaxiang Sun
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China
| | - Zhihui Wang
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China
| | - Rui Han
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China
| | - Yuxin Zhao
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Morphologic Center of College of Basic Medicine, Xinjiang Medical University, Urumqi, China
| | - Yunwei Lou
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China
| | - Hui Wang
- Henan Key Laboratory of Immunology and Targeted Drugs, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China; Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China.
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11
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Lafzi A, Borrelli C, Baghai Sain S, Bach K, Kretz JA, Handler K, Regan-Komito D, Ficht X, Frei A, Moor A. Identifying Spatial Co-occurrence in Healthy and InflAmed tissues (ISCHIA). Mol Syst Biol 2024; 20:98-119. [PMID: 38225383 PMCID: PMC10897385 DOI: 10.1038/s44320-023-00006-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/28/2023] [Accepted: 12/08/2023] [Indexed: 01/17/2024] Open
Abstract
Sequencing-based spatial transcriptomics (ST) methods allow unbiased capturing of RNA molecules at barcoded spots, charting the distribution and localization of cell types and transcripts across a tissue. While the coarse resolution of these techniques is considered a disadvantage, we argue that the inherent proximity of transcriptomes captured on spots can be leveraged to reconstruct cellular networks. To this end, we developed ISCHIA (Identifying Spatial Co-occurrence in Healthy and InflAmed tissues), a computational framework to analyze the spatial co-occurrence of cell types and transcript species within spots. Co-occurrence analysis is complementary to differential gene expression, as it does not depend on the abundance of a given cell type or on the transcript expression levels, but rather on their spatial association in the tissue. We applied ISCHIA to analyze co-occurrence of cell types, ligands and receptors in a Visium dataset of human ulcerative colitis patients, and validated our findings at single-cell resolution on matched hybridization-based data. We uncover inflammation-induced cellular networks involving M cell and fibroblasts, as well as ligand-receptor interactions enriched in the inflamed human colon, and their associated gene signatures. Our results highlight the hypothesis-generating power and broad applicability of co-occurrence analysis on spatial transcriptomics data.
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Affiliation(s)
- Atefeh Lafzi
- Roche Pharma Research and Early Development, Immunology Infectious Diseases and Ophthalmology Discovery and Translational Area, Grenzacherstrasse 124, 4070, Basel, Switzerland
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Costanza Borrelli
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Simona Baghai Sain
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Karsten Bach
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Jonas A Kretz
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Kristina Handler
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Daniel Regan-Komito
- Roche Pharma Research and Early Development, Immunology Infectious Diseases and Ophthalmology Discovery and Translational Area, Grenzacherstrasse 124, 4070, Basel, Switzerland
| | - Xenia Ficht
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Andreas Frei
- Roche Pharma Research and Early Development, Immunology Infectious Diseases and Ophthalmology Discovery and Translational Area, Grenzacherstrasse 124, 4070, Basel, Switzerland
| | - Andreas Moor
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058, Basel, Switzerland.
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12
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Guy A, Garcia G, Gourdou-Latyszenok V, Wolff-Trombini L, Josserand L, Kimmerlin Q, Favre S, Kilani B, Marty C, Boulaftali Y, Labrouche-Colomer S, Mansier O, James C. Platelets and neutrophils cooperate to induce increased neutrophil extracellular trap formation in JAK2V617F myeloproliferative neoplasms. J Thromb Haemost 2024; 22:172-187. [PMID: 37678548 DOI: 10.1016/j.jtha.2023.08.028] [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: 02/28/2023] [Revised: 08/24/2023] [Accepted: 08/24/2023] [Indexed: 09/09/2023]
Abstract
BACKGROUND Neutrophils participate in the pathogenesis of thrombosis through the formation of neutrophil extracellular traps (NETs). Thrombosis is the main cause of morbidity and mortality in patients with myeloproliferative neoplasms (MPNs). Recent studies have shown an increase in NET formation (NETosis) both in patients with JAK2V617F neutrophils and in mouse models, and reported the participation of NETosis in the pathophysiology of thrombosis in mice. OBJECTIVES This study investigated whether JAK2V617F neutrophils are sufficient to promote thrombosis or whether their cooperation with other blood cell types is necessary. METHODS NETosis was studied in PF4iCre;Jak2V617F/WT mice expressing JAK2V617F in all hematopoietic lineages, as occurs in MPNs, and in MRP8Cre;Jak2V617F/WT mice in which JAK2V617F is expressed only in leukocytes. RESULTS In PF4iCre;Jak2V617F/WT mice, an increase in NETosis and spontaneous lung thrombosis abrogated by DNAse administration were observed. The absence of spontaneous NETosis or lung thrombosis in MRP8Cre;Jak2V617F/WT mice suggested that mutated neutrophils alone are not sufficient to induce thrombosis. Ex vivo experiments demonstrated that JAK2V617F-mutated platelets trigger NETosis by JAK2V617F-mutated neutrophils. Aspirin treatment in PF4iCre;Jak2V617F/WT mice reduced NETosis and reduced lung thrombosis. In cytoreductive-therapy-free patients with MPN treated with aspirin, plasma NET marker concentrations were lower than that in patients with MPN not treated with aspirin. CONCLUSION Our study demonstrates that JAK2V617F neutrophils alone are not sufficient to promote thrombosis; rather, platelets cooperate with neutrophils to promote NETosis in vivo. A new role for aspirin in thrombosis prevention in MPNs was also identified.
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Affiliation(s)
- Alexandre Guy
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France; Laboratory of Hematology, Bordeaux University Hospital, Pessac, France. https://twitter.com/Alexandreguy6
| | - Geoffrey Garcia
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France. https://twitter.com/GeofGarciaVirginie
| | - Virginie Gourdou-Latyszenok
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France. https://twitter.com/GourdouV
| | - Laura Wolff-Trombini
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France. https://twitter.com/TrombiniWolff
| | - Lara Josserand
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France
| | - Quentin Kimmerlin
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Simon Favre
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France
| | - Badr Kilani
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France
| | - Caroline Marty
- Institut national de la santé et de la recherche médicale, UMR1287, University of Paris-Saclay, Gustave Roussy, Villejuif, France
| | - Yacine Boulaftali
- Paris Diderot University, Institut national de la santé et de la recherche médicale, Unité Mixte de Recherche_S1148, Laboratory for Vascular Translational Science, Paris, France
| | - Sylvie Labrouche-Colomer
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France; Laboratory of Hematology, Bordeaux University Hospital, Pessac, France
| | - Olivier Mansier
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France; Laboratory of Hematology, Bordeaux University Hospital, Pessac, France
| | - Chloé James
- University of Bordeaux, Institut national de la santé et de la recherche médicale, Biologie des maladies cardio-vasculaires, U1034, Pessac, France; Laboratory of Hematology, Bordeaux University Hospital, Pessac, France.
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13
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Hackert NS, Radtke FA, Exner T, Lorenz HM, Müller-Tidow C, Nigrovic PA, Wabnitz G, Grieshaber-Bouyer R. Human and mouse neutrophils share core transcriptional programs in both homeostatic and inflamed contexts. Nat Commun 2023; 14:8133. [PMID: 38065997 PMCID: PMC10709367 DOI: 10.1038/s41467-023-43573-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 11/14/2023] [Indexed: 12/18/2023] Open
Abstract
Neutrophils are frequently studied in mouse models, but the extent to which findings translate to humans remains poorly defined. In an integrative analysis of 11 mouse and 13 human datasets, we find a strong correlation of neutrophil gene expression across species. In inflammation, neutrophils display substantial transcriptional diversity but share a core inflammation program. This program includes genes encoding IL-1 family members, CD14, IL-4R, CD69, and PD-L1. Chromatin accessibility of core inflammation genes increases in blood compared to bone marrow and further in tissue. Transcription factor enrichment analysis implicates members of the NF-κB family and AP-1 complex as important drivers, and HoxB8 neutrophils with JunB knockout show a reduced expression of core inflammation genes in resting and activated cells. In independent single-cell validation data, neutrophil activation by type I or type II interferon, G-CSF, and E. coli leads to upregulation in core inflammation genes. In COVID-19 patients, higher expression of core inflammation genes in neutrophils is associated with more severe disease. In vitro treatment with GM-CSF, LPS, and type II interferon induces surface protein upregulation of core inflammation members. Together, we demonstrate transcriptional conservation in neutrophils in homeostasis and identify a core inflammation program shared across heterogeneous inflammatory conditions.
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Affiliation(s)
- Nicolaj S Hackert
- Division of Rheumatology, Department of Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Institute for Immunology, Heidelberg University Hospital, Heidelberg, Germany
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Felix A Radtke
- Division of Rheumatology, Department of Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Institute for Immunology, Heidelberg University Hospital, Heidelberg, Germany
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Oxford Centre for Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Tarik Exner
- Division of Rheumatology, Department of Medicine V, Heidelberg University Hospital, Heidelberg, Germany
- Institute for Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Hanns-Martin Lorenz
- Division of Rheumatology, Department of Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Carsten Müller-Tidow
- Department of Medicine V, Hematology, Oncology and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany
- Molecular Medicine Partnership Unit, European Molecular Biology Laboratory (EMBL), University of Heidelberg, Heidelberg, Germany
| | - Peter A Nigrovic
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Guido Wabnitz
- Institute for Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Ricardo Grieshaber-Bouyer
- Division of Rheumatology, Department of Medicine V, Heidelberg University Hospital, Heidelberg, Germany.
- Institute for Immunology, Heidelberg University Hospital, Heidelberg, Germany.
- Molecular Medicine Partnership Unit, European Molecular Biology Laboratory (EMBL), University of Heidelberg, Heidelberg, Germany.
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany.
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany.
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14
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Rajgopal S, Nakano K, Cook LM. Beyond the horizon: Neutrophils leading the way in the evolution of immunotherapy. Cancer Med 2023; 12:21885-21904. [PMID: 38062888 PMCID: PMC10757139 DOI: 10.1002/cam4.6761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/07/2023] [Accepted: 11/16/2023] [Indexed: 12/31/2023] Open
Abstract
Cancer is a complex and dynamic disease, initiated by a multitude of intrinsic mutations and progressed with the assistance of the tissue microenvironment, encompassed by stromal cells including immune cell infiltration. The novel finding that tumors can evade anti-cancer immune functions shaped the field of immunotherapy, which has been a revolutionary approach for the treatment of cancers. However, the development of predominantly T cell-targeted immunotherapy approaches, such as immune checkpoint inhibition, also brought about an accumulation of evidence demonstrating other immune cell drivers of tumor progression, such as innate immune cells and notably, neutrophils. In the past decade, neutrophils have emerged to be primary mediators of multiple cancer types and even in recent years, are gaining attention for their potential use in the next generation of immunotherapies. Here, we review current immunotherapy strategies and thoroughly discuss the roles of neutrophils in cancer and novel neutrophil-targeted methods for treating cancer.
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Affiliation(s)
- Sanjana Rajgopal
- Department of Pathology and MicrobiologyUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Department of Genetics, Cell Biology, and AnatomyUniversity of Nebraska Medical CenterOmahaNebraskaUSA
| | - Kosuke Nakano
- Department of Pathology and MicrobiologyUniversity of Nebraska Medical CenterOmahaNebraskaUSA
| | - Leah M. Cook
- Department of Pathology and MicrobiologyUniversity of Nebraska Medical CenterOmahaNebraskaUSA
- Fred & Pamela Buffett Cancer CenterOmahaNebraskaUSA
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15
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Chen Y, Jiang M, Chen X. Therapeutic potential of TNFR2 agonists: a mechanistic perspective. Front Immunol 2023; 14:1209188. [PMID: 37662935 PMCID: PMC10469862 DOI: 10.3389/fimmu.2023.1209188] [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: 04/20/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023] Open
Abstract
TNFR2 agonists have been investigated as potential therapies for inflammatory diseases due to their ability to activate and expand immunosuppressive CD4+Foxp3+ Treg cells and myeloid-derived suppressor cells (MDSCs). Despite TNFR2 being predominantly expressed in Treg cells at high levels, activated effector T cells also exhibit a certain degree of TNFR2 expression. Consequently, the role of TNFR2 signaling in coordinating immune or inflammatory responses under different pathological conditions is complex. In this review article, we analyze possible factors that may determine the therapeutic outcomes of TNFR2 agonism, including the levels of TNFR2 expression on different cell types, the biological properties of TNFR2 agonists, and disease status. Based on recent progress in the understanding of TNFR2 biology and the study of TNFR2 agonistic agents, we discuss the future direction of developing TNFR2 agonists as a therapeutic agents.
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Affiliation(s)
- Yibo Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, Macau SAR, China
| | - Mengmeng Jiang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, Macau SAR, China
| | - Xin Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, Macau SAR, China
- Ministry of Education (MoE) Frontiers Science Center for Precision Oncology, University of Macau, Macau, Macau SAR, China
- Department of Pharmaceutical Sciences, Faculty of Health Sciences, University of Macau, Macau, Macau SAR, China
- Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Macau, Macau SAR, China
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16
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Youn C, Pontaza C, Wang Y, Dikeman DA, Joyce DP, Alphonse MP, Wu MJ, Nolan SJ, Anany MA, Ahmadi M, Young J, Tocaj A, Garza LA, Wajant H, Miller LS, Archer NK. Neutrophil-intrinsic TNF receptor signaling orchestrates host defense against Staphylococcus aureus. SCIENCE ADVANCES 2023; 9:eadf8748. [PMID: 37327341 PMCID: PMC10275602 DOI: 10.1126/sciadv.adf8748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 05/11/2023] [Indexed: 06/18/2023]
Abstract
Staphylococcus aureus is the leading cause of skin and soft tissue infections and is a major health burden due to the emergence of antibiotic-resistant strains. To address the unmet need of alternative treatments to antibiotics, a better understanding of the protective immune mechanisms against S. aureus skin infection is warranted. Here, we report that tumor necrosis factor (TNF) promoted protection against S. aureus in the skin, which was mediated by bone marrow-derived immune cells. Furthermore, neutrophil-intrinsic TNF receptor (TNFR) signaling directed immunity against S. aureus skin infections. Mechanistically, TNFR1 promoted neutrophil recruitment to the skin, whereas TNFR2 prevented systemic bacterial dissemination and directed neutrophil antimicrobial functions. Treatment with a TNFR2 agonist showed therapeutic efficacy against S. aureus and Pseudomonas aeruginosa skin infections, which involved increased neutrophil extracellular trap formation. Our findings revealed nonredundant roles for TNFR1 and TNFR2 in neutrophils for immunity against S. aureus and can be therapeutically targeted for protection against bacterial skin infections.
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Affiliation(s)
- Christine Youn
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Cristina Pontaza
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Yu Wang
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Dustin A. Dikeman
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Daniel P. Joyce
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Martin P. Alphonse
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Meng-Jen Wu
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Sabrina J. Nolan
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Mohamed A. Anany
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg 97080, Germany
- Department of Microbial Biotechnology, Institute of Biotechnology, National Research Center, El Buhouth Street, Dokki, 12622 Giza, Egypt
| | - Michael Ahmadi
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Jeremy Young
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Aron Tocaj
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Luis A. Garza
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg 97080, Germany
| | - Lloyd S. Miller
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
| | - Nathan K. Archer
- Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD 21287, USA
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17
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Tsai CH, Lai ACY, Lin YC, Chi PY, Chen YC, Yang YH, Chen CH, Shen SY, Hwang TL, Su MW, Hsu IL, Huang YC, Maitland-van der Zee AH, McGeachie MJ, Tantisira KG, Chang YJ, Lee YL. Neutrophil extracellular trap production and CCL4L2 expression influence corticosteroid response in asthma. Sci Transl Med 2023; 15:eadf3843. [PMID: 37285400 DOI: 10.1126/scitranslmed.adf3843] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 05/04/2023] [Indexed: 06/09/2023]
Abstract
The association between neutrophil extracellular traps (NETs) and response to inhaled corticosteroids (ICS) in asthma is unclear. To better understand this relationship, we analyzed the blood transcriptomes from children with controlled and uncontrolled asthma in the Taiwanese Consortium of Childhood Asthma Study using weighted gene coexpression network analysis and pathway enrichment methods. We identified 298 uncontrolled asthma-specific differentially expressed genes and one gene module associated with neutrophil-mediated immunity, highlighting a potential role for neutrophils in uncontrolled asthma. We also found that NET abundance was associated with nonresponse to ICS in patients. In a neutrophilic airway inflammation murine model, steroid treatment could not suppress neutrophilic inflammation and airway hyperreactivity. However, NET disruption with deoxyribonuclease I (DNase I) efficiently inhibited airway hyperreactivity and inflammation. Using neutrophil-specific transcriptomic profiles, we found that CCL4L2 was associated with ICS nonresponse in asthma, which was validated in human and murine lung tissue. CCL4L2 expression was also negatively correlated with pulmonary function change after ICS treatment. In summary, steroids fail to suppress neutrophilic airway inflammation, highlighting the potential need to use alternative therapies such as leukotriene receptor antagonists or DNase I that target the neutrophil-associated phenotype. Furthermore, these results highlight CCL4L2 as a potential therapeutic target for individuals with asthma refractory to ICS.
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Affiliation(s)
- Ching-Hui Tsai
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | | | - Yu-Cheng Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Po-Yu Chi
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yun-Chi Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yao-Hsu Yang
- Department of Pediatrics, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chien-Han Chen
- Department of Pediatrics, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 243, Taiwan
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Sheng-Yeh Shen
- Department of Chest Medicine, MacKay Memorial Hospital, Taipei 104, Taiwan
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, School of Traditional Chinese Medicine, Chang Gung University, Taoyuan 333, Taiwan
- Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Ming-Wei Su
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - I-Ling Hsu
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Yu-Chi Huang
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
| | - Anke H Maitland-van der Zee
- Department of Pulmonary Medicine, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, Netherlands
- Department of Pediatric Respiratory Medicine, Emma's Children Hospital, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, 1105 AZ Amsterdam, Netherlands
- Amsterdam Public Health, 1105 AZ Amsterdam, Netherlands
| | - Michael J McGeachie
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Kelan G Tantisira
- Division of Respiratory Medicine, Department of Pediatrics, University of California San Diego, San Diego, CA 92123, USA
| | - Ya-Jen Chang
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
- Institute of Translational Medicine and New Drug Development, China Medical University, Taichung 404, Taiwan
| | - Yungling L Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
- College of Public Health, China Medical University, Taichung 404, Taiwan
- Biomedical Translation Research Center (BioTReC), Academia Sinica, Taipei 115, Taiwan
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Cheng Z, Xia NL, Chen Z, Li M, Tang Z, Wu H, Yan X, Wang Y, Wang Y, Tang X, Zhang H, Sun L. SHIP1 is required for the formation of neutrophil extracellular traps in rheumatoid arthritis. Int Immunopharmacol 2023; 115:109625. [PMID: 36586275 DOI: 10.1016/j.intimp.2022.109625] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/02/2022] [Accepted: 12/19/2022] [Indexed: 12/30/2022]
Abstract
Aberrant neutrophil extracellular traps (NETs) are involved in the pathogenesis of rheumatoid arthritis (RA). However, the specific pathway leading to NET formation in RA is poorly understood. Therefore, therapies targeting NETs are not available in RA. In this study, we demonstrated Src homology 2 domain-containing inositol phosphatase-1 (SHIP1) function as a hub to regulate NETosis through SHIP1/ p38 MAPK/TNF-α pathway both in vitro and ex vivo and inhibiting SHIP1 expression ameliorated RA symptoms in vivo. Neutrophils from RA patients showed enhanced NETosis as well as increased SHIP1, p38 mitogen-activated protein kinase (MAPK) family expression and tumor necrosis factor-α (TNF-α) expression. Inhibiting SHIP1 in neutrophils using small molecules counteracted the above-mentioned dysregulations and resulted in decrease in NETosis, p38 expression and TNF-α concentration. Consistent with this, SHIP1 agonist led to upregulated p38MAPK and NET formation. Moreover, inhibiting SHIP1 in vivo led to decreased NETosis and showed beneficial therapeutic effects in Collagen-induced arthritis (CIA) mice. Taken together, these results indicated that activation of SHIP1/MAPK/TNF-α pathway was necessary for upregulated NETosis in RA, which provided evidence for targeting SHIP1 in RA treatment.
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Affiliation(s)
- Zixue Cheng
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Nan L Xia
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Ziyan Chen
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Mei Li
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Zhicheng Tang
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China
| | - Haolin Wu
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xinyi Yan
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Yue Wang
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yuchun Wang
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau
| | - Xiaojun Tang
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.
| | - Huayong Zhang
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.
| | - Lingyun Sun
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
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Chen CW, Moseman EA. Pro-inflammatory cytokine responses to Naegleria fowleri infection. FRONTIERS IN TROPICAL DISEASES 2023; 3. [PMID: 37065537 PMCID: PMC10104475 DOI: 10.3389/fitd.2022.1082334] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Naegleria fowleri, or the “brain-eating amoeba,” is responsible for a rare, but lethal, infection known as primary amoebic meningoencephalitis (PAM). Confirmed PAM cases have seen both a rise in numbers, as well as expansion of geographic range over the past several decades. There is no effective therapy for PAM and the clinical prognosis remains grim with a mortality rate over 95%. The role of the immune response in disease prevention and disease severity remains unclear. In this review, we explore potential roles of inflammatory immune responses to N. fowleri in disease pathogenesis with a primary focus on pro-inflammatory cytokines IL-1, IL-6, and TNFα. We also discuss modulating proinflammatory cytokines as an additional immune therapy in PAM treatment.
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Liu X, Zhang X, Liu C, Mu W, Peng J, Song K. Immune and inflammation: related factor alterations as biomarkers for predicting prognosis and responsiveness to PD-1 monoclonal antibodies in cervical cancer. Discov Oncol 2022; 13:96. [PMID: 36171464 PMCID: PMC9519820 DOI: 10.1007/s12672-022-00560-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022] Open
Abstract
PURPOSE We aimed to elucidate the potential mechanisms of effective responsiveness to PD-1 monoclonal antibody and evaluate more reliable biomarkers to improve the ability to predict the populations of cervical cancer (CC) suitable for immunotherapy. METHODS Peripheral blood samples of CC patients undergoing anti-PD-1 therapy were collected before and after treatment. Differentially expressed genes (DEGs) were analyzed between partial response (PR) and progressive disease (PD) patients. A novel prognostic inflammation and immune-related response gene (IRRG) model was constructed and its prognostic role, correlation with tumor immunity and tumor mutation were evaluated. RESULTS DEGs in PR patient after treatment could predict the response to PD-1 monoclonal antibodies. Among PR-specific pathways, tumor immunity, leukocyte migration, and cytokine activities were prominently enriched. Additionally, an IRRG signature comprising CTLA4, AZU1, C5, LAT, CXCL2, GDF7, MPL, PPARG and CELA1 was established and validated to predict the prognosis of CC with great accuracy and specificity. This signature could reflect the tumor microenvironment (TME) and tumor mutational burden (TMB). We also found stimulated adaptive immunity and downregulated inflammation at baseline in patients with sensitive responses to PD-1 monoclonal antibody. CONCLUSION We developed an IRRG signature and verified that it was an independent prognostic factor for predicting survival and could reflect a sensitive response to PD-1 monoclonal antibody, which plays a nonnegligible role in the TME of CC. Further investigations are warranted to confirm that patients with stimulated adaptive immunity and downregulated inflammation at baseline could achieve a better survival benefit from PD-1 monoclonal antibody.
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Affiliation(s)
- Xihan Liu
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Gynecologic Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xi Zhang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Chang Liu
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Gynecologic Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Wendi Mu
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jin Peng
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, China.
| | - Kun Song
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, China.
- Gynecologic Oncology Key Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, China.
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