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Ashrafizadeh M, Aref AR, Sethi G, Ertas YN, Wang L. Natural product/diet-based regulation of macrophage polarization: Implications in treatment of inflammatory-related diseases and cancer. J Nutr Biochem 2024; 130:109647. [PMID: 38604457 DOI: 10.1016/j.jnutbio.2024.109647] [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: 10/09/2023] [Revised: 03/28/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
Macrophages are phagocytic cells with important physiological functions, including the digestion of cellular debris, foreign substances, and microbes, as well as tissue development and homeostasis. The tumor microenvironment (TME) shapes the aggressiveness of cancer, and the biological and cellular interactions in this complicated space can determine carcinogenesis. TME can determine the progression, biological behavior, and therapy resistance of human cancers. The macrophages are among the most abundant cells in the TME, and their functions and secretions can determine tumor progression. The education of macrophages to M2 polarization can accelerate cancer progression, and therefore, the re-education and reprogramming of these cells is promising. Moreover, macrophages can cause inflammation in aggravating pathological events, including cardiovascular diseases, diabetes, and neurological disorders. The natural products are pleiotropic and broad-spectrum functional compounds that have been deployed as ideal alternatives to conventional drugs in the treatment of cancer. The biological and cellular interactions in the TME can be regulated by natural products, and for this purpose, they enhance the M1 polarization of macrophages, and in addition to inhibiting proliferation and invasion, they impair the chemoresistance. Moreover, since macrophages and changes in the molecular pathways in these cells can cause inflammation, the natural products impair the pro-inflammatory function of macrophages to prevent the pathogenesis and progression of diseases. Even a reduction in macrophage-mediated inflammation can prevent organ fibrosis. Therefore, natural product-mediated macrophage targeting can alleviate both cancerous and non-cancerous diseases.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Radiation Oncology and Shandong Provincial Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China; Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Amir Reza Aref
- Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA; Department of Translational Sciences, Xsphera Biosciences Inc., Boston, Massachusetts, USA
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
| | - Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri, Türkiye; ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, Türkiye.
| | - Lu Wang
- Department of Gastroenterology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China.
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2
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Liang Y, Shen S, Ye X, Zhang W, Lin X. Celastrol alleviates airway hyperresponsiveness and inflammation in obese asthma through mediation of alveolar macrophage polarization. Eur J Pharmacol 2024; 972:176560. [PMID: 38604543 DOI: 10.1016/j.ejphar.2024.176560] [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: 02/20/2024] [Revised: 03/19/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024]
Abstract
Obese asthma is a unique asthma phenotype that decreases sensitivity to inhaled corticosteroids, and currently lacks efficient therapeutic medication. Celastrol, a powerful bioactive substance obtained naturally from the roots of Tripterygium wilfordii, has been reported to possess the potential effect of weight loss in obese individuals. However, its role in the treatment of obese asthma is not fully elucidated. In the present study, diet-induced obesity (DIO) mice were used with or without ovalbumin (OVA) sensitization, the therapeutic effects of celastrol on airway hyperresponsiveness (AHR) and airway inflammation were examined. We found celastrol significantly decreased methacholine-induced AHR in obese asthma, as well as reducing the infiltration of inflammatory cells and goblet cell hyperplasia in the airways. This effect was likely due to the inhibition of M1-type alveolar macrophages (AMs) polarization and the promotion of M2-type macrophage polarization. In vitro, celastrol yielded equivalent outcomes in Lipopolysaccharide (LPS)-treated RAW264.7 macrophage cells, featuring a reduction in the expression of M1 macrophage makers (iNOS, IL-1β, TNF-α) and heightened M2 macrophage makers (Arg-1, IL-10). Mechanistically, the PI3K/AKT signaling pathway has been implicated in these processes. In conclusion, we demonstrated that celastrol assisted in mitigating various parameters of obese asthma by regulating the balance of M1/M2 AMs polarization.
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Affiliation(s)
- Yafeng Liang
- Department of Pediatric Intensive Care Unit, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Sijia Shen
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Xiaoxiao Ye
- Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Weixi Zhang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
| | - Xixi Lin
- Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
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3
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Stolley JM, Scott MC, O'Flanagan SD, Künzli M, Matson CA, Weyu E, Langlois RA, Vezys V, Masopust D. Cutting Edge: First Lung Infection Permanently Enlarges Lymph Nodes and Enhances New T Cell Responses. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1621-1625. [PMID: 38619284 DOI: 10.4049/jimmunol.2400010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/22/2024] [Indexed: 04/16/2024]
Abstract
Humans experience frequent respiratory infections. Immunology and vaccinology studies in mice are typically performed in naive specific pathogen-free animals responding to their very first respiratory challenge. We found that the first respiratory infection induces lifelong enlargement of the lung-draining mediastinal lymph nodes (medLNs). Furthermore, infection-experienced medLNs supported better naive T cell surveillance and effector responses to new unrelated infections that exhibited more biased accumulation and memory establishment within the lung. Moreover, we observed that weight loss induced by influenza infection was substantially reduced in mice that had recovered from a previous unrelated respiratory viral challenge. These data show that the lack of infectious history and corresponding medLN hypoplasia in specific pathogen-free mice alter their immune response to lung infections. Preclinical vaccination and immunology studies should consider the previous infectious experience of the model organism.
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Affiliation(s)
- J Michael Stolley
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Milcah C Scott
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Stephen D O'Flanagan
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Marco Künzli
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Courtney A Matson
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Eyob Weyu
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Ryan A Langlois
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - Vaiva Vezys
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
| | - David Masopust
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN; Department of Medicine, University of Minnesota, Minneapolis, MN; and Center for Immunology, University of Minnesota, Minneapolis, MN
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4
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Ruscitti C, Radermecker C, Marichal T. Journey of monocytes and macrophages upon influenza A virus infection. Curr Opin Virol 2024; 66:101409. [PMID: 38564993 DOI: 10.1016/j.coviro.2024.101409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/04/2024]
Abstract
Influenza A virus (IAV) infections pose a global health challenge that necessitates a comprehensive understanding of the host immune response to devise effective therapeutic interventions. As monocytes and macrophages play crucial roles in host defence, inflammation, and repair, this review explores the intricate journey of these cells during and after IAV infection. First, we highlight the dynamics and functions of lung-resident macrophage populations post-IAV. Second, we review the current knowledge of recruited monocytes and monocyte-derived cells, emphasising their roles in viral clearance, inflammation, immunomodulation, and tissue repair. Third, we shed light on the consequences of IAV-induced macrophage alterations on long-term lung immunity. We conclude by underscoring current knowledge gaps and exciting prospects for future research in unravelling the complexities of macrophage responses to respiratory viral infections.
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Affiliation(s)
- Cecilia Ruscitti
- Laboratory of Immunophysiology, GIGA Institute, Liège University, Avenue de l'Hôpital 11, 4000 Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Avenue de Cureghem 5D, 4000 Liège, Belgium
| | - Coraline Radermecker
- Laboratory of Immunophysiology, GIGA Institute, Liège University, Avenue de l'Hôpital 11, 4000 Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Avenue de Cureghem 5D, 4000 Liège, Belgium
| | - Thomas Marichal
- Laboratory of Immunophysiology, GIGA Institute, Liège University, Avenue de l'Hôpital 11, 4000 Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Avenue de Cureghem 5D, 4000 Liège, Belgium; Walloon Excellence in Life Sciences and Biotechnology (WELBIO) Department, WEL Research Institute, 1300 Wavre, Belgium.
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5
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Robert M, Yatim N, Sacré K, Duffy D. Sarcoidosis immunopathogenesis - a new concept of maladaptive trained immunity. Trends Immunol 2024; 45:406-418. [PMID: 38796404 DOI: 10.1016/j.it.2024.04.013] [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: 03/26/2024] [Revised: 04/30/2024] [Accepted: 04/30/2024] [Indexed: 05/28/2024]
Abstract
Sarcoidosis is a chronic immune disease of unknown origin for which we still lack an immunological framework unifying causal agents, host factors, and natural history of disease. Here, we discuss the initial triggers of disease, and how myeloid cells drive granuloma formation and contribute to immunopathogenesis. We highlight recent advances in our understanding of innate immune memory and propose the hypothesis that maladaptive innate immune training connects previous environmental exposure to granuloma maintenance and expansion. Lastly, we consider how this hypothesis may open novel therapeutic avenues, while corticosteroids remain the front-line treatment.
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Affiliation(s)
- Marie Robert
- Translational Immunology Unit, Institut Pasteur, Université Paris-Cité, Paris, France; Department of Internal Medicine, Hôpital Bichat, Paris, France; Université Paris-Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Faculté de Médecine site Bichat, Laboratoire d'Excellence Inflamex, Paris, France
| | - Nader Yatim
- Translational Immunology Unit, Institut Pasteur, Université Paris-Cité, Paris, France; Department of Internal Medicine, Hôpital Bichat, Paris, France
| | - Karim Sacré
- Department of Internal Medicine, Hôpital Bichat, Paris, France; Université Paris-Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Faculté de Médecine site Bichat, Laboratoire d'Excellence Inflamex, Paris, France
| | - Darragh Duffy
- Translational Immunology Unit, Institut Pasteur, Université Paris-Cité, Paris, France; CBUtechS, Institut Pasteur, Université Paris-Cité, Paris, France.
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6
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Qin F, Cai B, Wang P, Cao R, Zhang Y, Wen H, Zheng Y, Zhao W, Gao C, Liu B. LTN1 promotes RLR degradation to inhibit immune response to RNA virus through the ESCRT pathway. Autophagy 2024; 20:1270-1285. [PMID: 38060409 DOI: 10.1080/15548627.2023.2291939] [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: 04/14/2023] [Accepted: 11/30/2023] [Indexed: 06/22/2024] Open
Abstract
The excessive activation of immune responses will trigger autoimmune diseases or inflammatory injury. The endosomal sorting complexes required for transport (ESCRT) system can capture and mediate ubiquitinated protein degradation, which timely terminates signaling pathway hyperactivation. However, whether the ESCRT system participates in regulating RIGI-like receptor (RLR)-mediated antiviral responses remains unknown. In this study, we show that LTN1/listerin, a major component of RQC, can recruit E3 ubiquitin ligase TRIM27 to trigger K63-linked polyubiquitination of RIGI and IFIH1/MDA5. This K63-linked polyubiquitination facilitates the sorting and degradation of RIGI and IFIH1 proteins through the ESCRT-dependent pathway. Concordantly, LTN1 deficiency enhances the innate antiviral response to infection with RNA viruses. Thus, our work uncovers a new mechanism for RIGI and IFIH1 degradation and identifies the role of LTN1 in negatively regulating RLR-mediated antiviral innate immunity, which may provide new targets for the intervention of viral infection.Abbreviation: 5'-pppRNA: 5' triphosphate double stranded RNA; ATG5: autophagy related 5; ATG7: autophagy related 7; BafA1: bafilomycin A1; ESCRT: endosomal sorting complexes required for transport; CHX: cycloheximide; IFIH1/MDA5: interferon induced with helicase C domain 1; IFN: interferon; PIK3C3/VPS34: phosphatidylinositol 3-kinase catalytic subunit type 3; RIGI: RNA sensor RIG-I; RLR: RIGI-like receptors; RQC: ribosome-associated protein quality control; SeV: Sendai virus; TRIM27: tripartite motif-containing 27; VSV: vesicular stomatitis virus; VPS4: vacuolar protein sorting 4.
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Affiliation(s)
- Fei Qin
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Baoshan Cai
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Peng Wang
- Department of Clinical Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Runyu Cao
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yuling Zhang
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Hongling Wen
- Department of Microbiological Laboratory Technology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Yi Zheng
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Wei Zhao
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Chengjiang Gao
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Bingyu Liu
- Key Laboratory of Infection and Immunity of Shandong Province & Key Laboratory for Experimental Teratology of Ministry of Education, Shandong University, Jinan, Shandong, China
- Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
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Monticelli S, Sommer A, AlHajj Hassan Z, Garcia Rodriguez C, Adé K, Cattenoz P, Delaporte C, Gomez Perdiguero E, Giangrande A. Early-wave macrophages control late hematopoiesis. Dev Cell 2024; 59:1284-1301.e8. [PMID: 38569551 DOI: 10.1016/j.devcel.2024.03.013] [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: 07/06/2023] [Revised: 01/08/2024] [Accepted: 03/07/2024] [Indexed: 04/05/2024]
Abstract
Macrophages constitute the first defense line against the non-self, but their ability to remodel their environment in organ development/homeostasis is starting to be appreciated. Early-wave macrophages (EMs), produced from hematopoietic stem cell (HSC)-independent progenitors, seed the mammalian fetal liver niche wherein HSCs expand and differentiate. The involvement of niche defects in myeloid malignancies led us to identify the cues controlling HSCs. In Drosophila, HSC-independent EMs also colonize the larva when late hematopoiesis occurs. The evolutionarily conserved immune system allowed us to investigate whether/how EMs modulate late hematopoiesis in two models. We show that loss of EMs in Drosophila and mice accelerates late hematopoiesis, which does not correlate with inflammation and does not rely on macrophage phagocytic ability. Rather, EM-derived extracellular matrix components underlie late hematopoiesis acceleration. This demonstrates a developmental role for EMs.
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Affiliation(s)
- Sara Monticelli
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, 67400 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, UMR, S 1258, 67400 Illkirch, France; Université de Strasbourg, IGBMC UMR 7104- UMR-S 1258, 67400 Illkirch, France
| | - Alina Sommer
- Macrophages and endothelial cells unit, Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris Cité, UMR3738 CNRS, 75015 Paris, France; Sorbonne Université, Collège doctoral, 75005 Paris, France
| | - Zeinab AlHajj Hassan
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, 67400 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, UMR, S 1258, 67400 Illkirch, France; Université de Strasbourg, IGBMC UMR 7104- UMR-S 1258, 67400 Illkirch, France
| | - Clarisabel Garcia Rodriguez
- Macrophages and endothelial cells unit, Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris Cité, UMR3738 CNRS, 75015 Paris, France; Sorbonne Université, Collège doctoral, 75005 Paris, France
| | - Kémy Adé
- Macrophages and endothelial cells unit, Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris Cité, UMR3738 CNRS, 75015 Paris, France
| | - Pierre Cattenoz
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, 67400 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, UMR, S 1258, 67400 Illkirch, France; Université de Strasbourg, IGBMC UMR 7104- UMR-S 1258, 67400 Illkirch, France
| | - Claude Delaporte
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, 67400 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, UMR, S 1258, 67400 Illkirch, France; Université de Strasbourg, IGBMC UMR 7104- UMR-S 1258, 67400 Illkirch, France
| | - Elisa Gomez Perdiguero
- Macrophages and endothelial cells unit, Department of Developmental and Stem Cell Biology, Institut Pasteur, Université Paris Cité, UMR3738 CNRS, 75015 Paris, France.
| | - Angela Giangrande
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France; Centre National de la Recherche Scientifique, UMR 7104, 67400 Illkirch, France; Institut National de la Santé et de la Recherche Médicale, UMR, S 1258, 67400 Illkirch, France; Université de Strasbourg, IGBMC UMR 7104- UMR-S 1258, 67400 Illkirch, France.
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8
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Zhang C, Shi Y, Liu C, Sudesh SM, Hu Z, Li P, Liu Q, Ma Y, Shi A, Cai H. Therapeutic strategies targeting mechanisms of macrophages in diabetic heart disease. Cardiovasc Diabetol 2024; 23:169. [PMID: 38750502 PMCID: PMC11097480 DOI: 10.1186/s12933-024-02273-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 05/08/2024] [Indexed: 05/18/2024] Open
Abstract
Diabetic heart disease (DHD) is a serious complication in patients with diabetes. Despite numerous studies on the pathogenic mechanisms and therapeutic targets of DHD, effective means of prevention and treatment are still lacking. The pathogenic mechanisms of DHD include cardiac inflammation, insulin resistance, myocardial fibrosis, and oxidative stress. Macrophages, the primary cells of the human innate immune system, contribute significantly to these pathological processes, playing an important role in human disease and health. Therefore, drugs targeting macrophages hold great promise for the treatment of DHD. In this review, we examine how macrophages contribute to the development of DHD and which drugs could potentially be used to target macrophages in the treatment of DHD.
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Affiliation(s)
- Chaoyue Zhang
- Cardiovascular Clinical Medical Center, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yunke Shi
- Cardiovascular Clinical Medical Center, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Changzhi Liu
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Shivon Mirza Sudesh
- Faculty of Medicine, St. George University of London, London, UK
- University of Nicosia Medical School, University of Nicosia, Nicosia, Cyprus
| | - Zhao Hu
- Department of Geriatric Cardiology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Pengyang Li
- Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, VA, USA
| | - Qi Liu
- Wafic Said Molecular Cardiology Research Laboratory, The Texas Heart Institute, Houston, TX, USA
| | - Yiming Ma
- Cardiovascular Clinical Medical Center, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Ao Shi
- Faculty of Medicine, St. George University of London, London, UK.
- University of Nicosia Medical School, University of Nicosia, Nicosia, Cyprus.
| | - Hongyan Cai
- Cardiovascular Clinical Medical Center, The First Affiliated Hospital of Kunming Medical University, Kunming, China.
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9
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Bu H, Zhang S, Li P, Liu Z, Liu Y, Li Z, Liu X, Wang Z, Feng L, Chen L, Qu L. Secreted phospholipase PLA2G2E contributes to regulation of T cell immune response against influenza virus infection. J Virol 2024; 98:e0019824. [PMID: 38591879 PMCID: PMC11092358 DOI: 10.1128/jvi.00198-24] [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: 02/07/2024] [Accepted: 03/24/2024] [Indexed: 04/10/2024] Open
Abstract
The involvement of secreted phospholipase A2s in respiratory diseases, such as asthma and respiratory viral infections, is well-established. However, the specific role of secreted phospholipase A2 group IIE (PLA2G2E) during influenza virus infection remains unexplored. Here, we investigated the role of PLA2G2E during H1N1 influenza virus infection using a targeted mouse model lacking Pla2g2e gene (Pla2g2e-/-). Our findings demonstrated that Pla2g2e-/- mice had significantly lower survival rates and higher viral loads in lungs compared to wild-type mice following influenza virus infection. While Pla2g2e-/- mice displayed comparable innate and humoral immune responses to influenza virus challenge, the animals showed impaired influenza-specific cellular immunity and reduced T cell-mediated cytotoxicity. This indicates that PLA2G2E is involved in regulating specific T cell responses during influenza virus infection. Furthermore, transgenic mice expressing the human PLA2G2E gene exhibited resistance to influenza virus infection along with enhanced influenza-specific cellular immunity and T cell-mediated cytotoxicity. Pla2g2e deficiency resulted in perturbation of lipid mediators in the lung and T cells, potentially contributing to its impact on the anti-influenza immune response. Taken together, these findings suggest that targeting PLA2G2E could hold potential as a therapeutic strategy for managing influenza virus infections.IMPORTANCEThe influenza virus is a highly transmissible respiratory pathogen that continues to pose a significant public health concern. It effectively evades humoral immune protection conferred by vaccines and natural infection due to its continuous viral evolution through the genetic processes of antigenic drift and shift. Recognition of conserved non-mutable viral epitopes by T cells may provide broad immunity against influenza virus. In this study, we have demonstrated that phospholipase A2 group IIE (PLA2G2E) plays a crucial role in protecting against influenza virus infection through the regulation of T cell responses, while not affecting innate and humoral immune responses. Targeting PLA2G2E could therefore represent a potential therapeutic strategy for managing influenza virus infection.
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MESH Headings
- Animals
- Mice
- Orthomyxoviridae Infections/immunology
- Orthomyxoviridae Infections/virology
- Influenza A Virus, H1N1 Subtype/immunology
- Lung/virology
- Lung/immunology
- Lung/pathology
- Humans
- Group II Phospholipases A2/genetics
- Group II Phospholipases A2/immunology
- T-Lymphocytes/immunology
- Mice, Knockout
- Immunity, Cellular
- Mice, Inbred C57BL
- Mice, Transgenic
- Viral Load
- Disease Models, Animal
- Immunity, Humoral
- Immunity, Innate
- Influenza, Human/immunology
- Influenza, Human/virology
- Female
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Affiliation(s)
- Hemeng Bu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Shengnan Zhang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Pingchao Li
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Zijian Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yichu Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Zhixia Li
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Xinglong Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhi Wang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Liqiang Feng
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Ling Chen
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Linbing Qu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
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10
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Vuscan P, Kischkel B, Joosten LAB, Netea MG. Trained immunity: General and emerging concepts. Immunol Rev 2024; 323:164-185. [PMID: 38551324 DOI: 10.1111/imr.13326] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/11/2024] [Indexed: 05/18/2024]
Abstract
Over the past decade, compelling evidence has unveiled previously overlooked adaptive characteristics of innate immune cells. Beyond their traditional role in providing short, non-specific protection against pathogens, innate immune cells can acquire antigen-agnostic memory, exhibiting increased responsiveness to secondary stimulation. This long-term de-facto innate immune memory, also termed trained immunity, is mediated through extensive metabolic rewiring and epigenetic modifications. While the upregulation of trained immunity proves advantageous in countering immune paralysis, its overactivation contributes to the pathogenesis of autoinflammatory and autoimmune disorders. In this review, we present the latest advancements in the field of innate immune memory followed by a description of the fundamental mechanisms underpinning trained immunity generation and different cell types that mediate it. Furthermore, we explore its implications for various diseases and examine current limitations and its potential therapeutic targeting in immune-related disorders.
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Affiliation(s)
- Patricia Vuscan
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Brenda Kischkel
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Leo A B Joosten
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Medical Genetics, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Department for Immunology and Metabolism, Life and Medical Sciences Institute (LIMES), University of Bonn, Bonn, Germany
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11
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Liu Y, Wang Z, Jin H, Cui L, Huo B, Xie C, Li J, Ding H, Zhang H, Xiong W, Li M, Zhang H, Guo H, Li C, Wang T, Wang X, He W, Wang Z, Bei JX, Huang P, Liu J, Xia X. Squalene-epoxidase-catalyzed 24(S),25-epoxycholesterol synthesis promotes trained-immunity-mediated antitumor activity. Cell Rep 2024; 43:114094. [PMID: 38613784 DOI: 10.1016/j.celrep.2024.114094] [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: 10/30/2023] [Revised: 02/18/2024] [Accepted: 03/27/2024] [Indexed: 04/15/2024] Open
Abstract
The importance of trained immunity in antitumor immunity has been increasingly recognized, but the underlying metabolic regulation mechanisms remain incompletely understood. In this study, we find that squalene epoxidase (SQLE), a key enzyme in cholesterol synthesis, is required for β-glucan-induced trained immunity in macrophages and ensuing antitumor activity. Unexpectedly, the shunt pathway, but not the classical cholesterol synthesis pathway, catalyzed by SQLE, is required for trained immunity induction. Specifically, 24(S),25-epoxycholesterol (24(S),25-EC), the shunt pathway metabolite, activates liver X receptor and increases chromatin accessibility to evoke innate immune memory. Meanwhile, SQLE-induced reactive oxygen species accumulation stabilizes hypoxia-inducible factor 1α protein for metabolic switching into glycolysis. Hence, our findings identify 24(S),25-EC as a key metabolite for trained immunity and provide important insights into how SQLE regulates trained-immunity-mediated antitumor activity.
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Affiliation(s)
- Yongxiang Liu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Zifeng Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Huan Jin
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Lei Cui
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Bitao Huo
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Chunyuan Xie
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Jiahui Li
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, P.R. China
| | - Honglu Ding
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China; Department of Pancreatobiliary Surgery, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Huanling Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Wenjing Xiong
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Mengyun Li
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China; College of Life Science, Sun Yat-sen University, Guangzhou, P.R. China
| | - Hongxia Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Hui Guo
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Chunwei Li
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Tiantian Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Xiaojuan Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Wenzhuo He
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China; VIP Region, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Zining Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Jin-Xin Bei
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Peng Huang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China; Metabolic Center, Sun Yat-sen University, Guangzhou, P.R. China
| | - Jinyun Liu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China; Metabolic Center, Sun Yat-sen University, Guangzhou, P.R. China
| | - Xiaojun Xia
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.
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12
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Kang Y, Kim D, Lee S, Kim H, Kim T, Cho JA, Lee T, Choi EY. Innate Immune Training Initiates Efferocytosis to Protect against Lung Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308978. [PMID: 38279580 PMCID: PMC11005705 DOI: 10.1002/advs.202308978] [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: 11/21/2023] [Indexed: 01/28/2024]
Abstract
Innate immune training involves myelopoiesis, dynamic gene modulation, and functional reprogramming of myeloid cells in response to secondary heterologous challenges. The present study evaluates whether systemic innate immune training can protect tissues from local injury. Systemic pretreatment of mice with β-glucan, a trained immunity agonist, reduces the mortality rate of mice with bleomycin-induced lung injury and fibrosis, as well as decreasing collagen deposition in the lungs. β-Glucan pretreatment induces neutrophil accumulation in the lungs and enhances efferocytosis. Training of mice with β-glucan results in histone modification in both alveolar macrophages (AMs) and neighboring lung epithelial cells. Training also increases the production of RvD1 and soluble mediators by AMs and efferocytes. Efferocytosis increases trained immunity in AMs by stimulating RvD1 release, thus inducing SIRT1 expression in neighboring lung epithelial cells. Elevated epithelial SIRT1 expression is associated with decreased epithelial cell apoptosis after lung injury, attenuating tissue damage. Further, neutrophil depletion dampens the effects of β-glucan on macrophage accumulation, epigenetic modification in lung macrophages, epithelial SIRT1 expression, and injury-mediated fibrosis in the lung. These findings provide mechanistic insights into innate immune training and clues to the potential ability of centrally trained immunity to protect peripheral organs against injury-mediated disorders.
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Affiliation(s)
- Yoon‐Young Kang
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
- Department of MicrobiologyUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
| | - Dong‐Young Kim
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
- Present address:
Institute for Clinical Chemistry and Laboratory MedicineFaculty of MedicineTechnische Universität Dresden01307DresdenGermany
| | - Sang‐Yong Lee
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
- Department of MicrobiologyUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
| | - Hee‐Joong Kim
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
- Department of MicrobiologyUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
| | - Taehawn Kim
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
| | - Jeong A. Cho
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
| | - Taewon Lee
- Division of Applied Mathematical SciencesCollege of Science and TechnologyKorea UniversitySejong30019Republic of Korea
| | - Eun Young Choi
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
- Department of MicrobiologyUniversity of Ulsan College of MedicineASAN Medical CenterSeoul05505Republic of Korea
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13
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Tzetzo SL, Kramer ED, Mohammadpour H, Kim M, Rosario SR, Yu H, Dolan MR, Oturkar CC, Morreale BG, Bogner PN, Stablewski AB, Benavides FJ, Brackett CM, Ebos JM, Das GM, Opyrchal M, Nemeth MJ, Evans SS, Abrams SI. Downregulation of IRF8 in alveolar macrophages by G-CSF promotes metastatic tumor progression. iScience 2024; 27:109187. [PMID: 38420590 PMCID: PMC10901102 DOI: 10.1016/j.isci.2024.109187] [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: 01/30/2023] [Revised: 01/16/2024] [Accepted: 02/06/2024] [Indexed: 03/02/2024] Open
Abstract
Tissue-resident macrophages (TRMs) are abundant immune cells within pre-metastatic sites, yet their functional contributions to metastasis remain incompletely understood. Here, we show that alveolar macrophages (AMs), the main TRMs of the lung, are susceptible to downregulation of the immune stimulatory transcription factor IRF8, impairing anti-metastatic activity in models of metastatic breast cancer. G-CSF is a key tumor-associated factor (TAF) that acts upon AMs to reduce IRF8 levels and facilitate metastasis. Translational relevance of IRF8 downregulation was observed among macrophage precursors in breast cancer and a CD68hiIRF8loG-CSFhi gene signature suggests poorer prognosis in triple-negative breast cancer (TNBC), a G-CSF-expressing subtype. Our data highlight the underappreciated, pro-metastatic roles of AMs in response to G-CSF and identify the contribution of IRF8-deficient AMs to metastatic burden. AMs are an attractive target of local neoadjuvant G-CSF blockade to recover anti-metastatic activity.
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Affiliation(s)
- Stephanie L. Tzetzo
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Elliot D. Kramer
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Hemn Mohammadpour
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Minhyung Kim
- Department of Surgical Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Spencer R. Rosario
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Han Yu
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Melissa R. Dolan
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Chetan C. Oturkar
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Brian G. Morreale
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Paul N. Bogner
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Aimee B. Stablewski
- Department of Molecular and Cellular Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Fernando J. Benavides
- Department of Epigenetics and Molecular Carcinogenesis, MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Craig M. Brackett
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - John M.L. Ebos
- Department of Cancer Genetics and Genomics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
- Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Gokul M. Das
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Mateusz Opyrchal
- Department of Medicine, Indiana University, Indianapolis, IN 46202, USA
| | - Michael J. Nemeth
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Sharon S. Evans
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Scott I. Abrams
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
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14
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Ngo VL, Lieber CM, Kang HJ, Sakamoto K, Kuczma M, Plemper RK, Gewirtz AT. Intestinal microbiota programming of alveolar macrophages influences severity of respiratory viral infection. Cell Host Microbe 2024; 32:335-348.e8. [PMID: 38295788 PMCID: PMC10942762 DOI: 10.1016/j.chom.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 12/05/2023] [Accepted: 01/08/2024] [Indexed: 02/12/2024]
Abstract
Susceptibility to respiratory virus infections (RVIs) varies widely across individuals. Because the gut microbiome impacts immune function, we investigated the influence of intestinal microbiota composition on RVI and determined that segmented filamentous bacteria (SFB), naturally acquired or exogenously administered, protected mice against influenza virus (IAV) infection. Such protection, which also applied to respiratory syncytial virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was independent of interferon and adaptive immunity but required basally resident alveolar macrophages (AMs). In SFB-negative mice, AMs were quickly depleted as RVI progressed. In contrast, AMs from SFB-colonized mice were intrinsically altered to resist IAV-induced depletion and inflammatory signaling. Yet, AMs from SFB-colonized mice were not quiescent. Rather, they directly disabled IAV via enhanced complement production and phagocytosis. Accordingly, transfer of SFB-transformed AMs into SFB-free hosts recapitulated SFB-mediated protection against IAV. These findings uncover complex interactions that mechanistically link the intestinal microbiota with AM functionality and RVI severity.
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Affiliation(s)
- Vu L Ngo
- Center for Translational Antiviral Research, Georgia State University Institute for Biomedical Sciences, Atlanta, GA 30303, USA
| | - Carolin M Lieber
- Center for Translational Antiviral Research, Georgia State University Institute for Biomedical Sciences, Atlanta, GA 30303, USA
| | - Hae-Ji Kang
- Center for Translational Antiviral Research, Georgia State University Institute for Biomedical Sciences, Atlanta, GA 30303, USA
| | - Kaori Sakamoto
- Department of Pathology, University of Georgia College of Veterinary Science, Athens, GA 30602, USA
| | - Michal Kuczma
- Center for Translational Antiviral Research, Georgia State University Institute for Biomedical Sciences, Atlanta, GA 30303, USA
| | - Richard K Plemper
- Center for Translational Antiviral Research, Georgia State University Institute for Biomedical Sciences, Atlanta, GA 30303, USA.
| | - Andrew T Gewirtz
- Center for Translational Antiviral Research, Georgia State University Institute for Biomedical Sciences, Atlanta, GA 30303, USA.
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15
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Wang T, Wang Y, Yao Y. Gut microbe guides alveolar macrophages to fight flu. Cell Host Microbe 2024; 32:296-298. [PMID: 38484707 DOI: 10.1016/j.chom.2024.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 02/10/2024] [Accepted: 02/12/2024] [Indexed: 03/19/2024]
Abstract
The intestinal microbiota is associated with defense against respiratory viral infections. In this issue of Cell Host & Microbe, Ngo and colleagues1 show that intestinal commensal segmented filamentous bacteria reprogram alveolar macrophages with improved influenza-viral-neutralizing and phagocytic functions while maintaining inflammatory anergy to better protect the lung.
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Affiliation(s)
- Tao Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China
| | - Yanling Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China
| | - Yushi Yao
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China; Liangzhu Laboratory, Hangzhou, Zhejiang 310023, China; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang 310003, China.
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16
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Merlo Pich LM, Ziogas A, Netea MG. Genetic and epigenetic dysregulation of innate immune mechanisms in autoinflammatory diseases. FEBS J 2024. [PMID: 38468589 DOI: 10.1111/febs.17116] [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: 08/10/2023] [Revised: 01/17/2024] [Accepted: 03/01/2024] [Indexed: 03/13/2024]
Abstract
Dysregulation and hyperactivation of innate immune responses can lead to the onset of systemic autoinflammatory diseases. Monogenic autoinflammatory diseases are caused by inborn genetic errors and based on molecular mechanisms at play, can be divided into inflammasomopathies, interferonopathies, relopathies, protein misfolding, and endogenous antagonist deficiencies. On the other hand, more common autoinflammatory diseases are multifactorial, with both genetic and non-genetic factors playing an important role. During the last decade, long-term memory characteristics of innate immune responses have been described (also called trained immunity) that in physiological conditions provide enhanced host protection from pathogenic re-infection. However, if dysregulated, induction of trained immunity can become maladaptive, perpetuating chronic inflammatory activation. Here, we describe the mechanisms of genetic and epigenetic dysregulation of the innate immune system and maladaptive trained immunity that leads to the onset and perpetuation of the most common and recently described systemic autoinflammatory diseases.
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Affiliation(s)
- Laura M Merlo Pich
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Athanasios Ziogas
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
- Department for Immunology and Metabolism, Life and Medical Sciences Institute (LIMES), University of Bonn, Germany
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17
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Ammarah U, Pereira-Nunes A, Delfini M, Mazzone M. From monocyte-derived macrophages to resident macrophages-how metabolism leads their way in cancer. Mol Oncol 2024. [PMID: 38411356 DOI: 10.1002/1878-0261.13618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/24/2024] [Accepted: 02/16/2024] [Indexed: 02/28/2024] Open
Abstract
Macrophages are innate immune cells that play key roles during both homeostasis and disease. Depending on the microenvironmental cues sensed in different tissues, macrophages are known to acquire specific phenotypes and exhibit unique features that, ultimately, orchestrate tissue homeostasis, defense, and repair. Within the tumor microenvironment, macrophages are referred to as tumor-associated macrophages (TAMs) and constitute a heterogeneous population. Like their tissue resident counterpart, TAMs are plastic and can switch function and phenotype according to the niche-derived stimuli sensed. While changes in TAM phenotype are known to be accompanied by adaptive alterations in their cell metabolism, it is reported that metabolic reprogramming of macrophages can dictate their activation state and function. In line with these observations, recent research efforts have been focused on defining the metabolic traits of TAM subsets in different tumor malignancies and understanding their role in cancer progression and metastasis formation. This knowledge will pave the way to novel therapeutic strategies tailored to cancer subtype-specific metabolic landscapes. This review outlines the metabolic characteristics of distinct TAM subsets and their implications in tumorigenesis across multiple cancer types.
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Affiliation(s)
- Ummi Ammarah
- Laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, Department of Oncology, Center for Cancer Biology, KU Leuven, Belgium
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Centre, University of Torino, Italy
| | - Andreia Pereira-Nunes
- Laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, Department of Oncology, Center for Cancer Biology, KU Leuven, Belgium
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Marcello Delfini
- Laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, Department of Oncology, Center for Cancer Biology, KU Leuven, Belgium
| | - Massimiliano Mazzone
- Laboratory of Tumor Inflammation and Angiogenesis, Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, Department of Oncology, Center for Cancer Biology, KU Leuven, Belgium
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18
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Minute L, Bergón-Gutiérrez M, Mata-Martínez P, Fernández-Pascual J, Terrón V, Bravo-Robles L, Bıçakcıoğlu G, Zapata-Fernández G, Aguiló N, López-Collazo E, del Fresno C. Heat-killed Mycobacterium tuberculosis induces trained immunity in vitro and in vivo administered systemically or intranasally. iScience 2024; 27:108869. [PMID: 38318361 PMCID: PMC10838711 DOI: 10.1016/j.isci.2024.108869] [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: 06/19/2023] [Revised: 11/03/2023] [Accepted: 01/08/2024] [Indexed: 02/07/2024] Open
Abstract
Trained immunity (TI) represents a memory-like process of innate immune cells. TI can be initiated with various compounds such as fungal β-glucan or the tuberculosis vaccine, Bacillus Calmette-Guérin. Nevertheless, considering the clinical applications of harnessing TI against infections and cancer, there is a growing need for new, simple, and easy-to-use TI inducers. Here, we demonstrate that heat-killed Mycobacterium tuberculosis (HKMtb) induces TI both in vitro and in vivo. In human monocytes, this effect represents a truly trained process, as HKMtb confers boosted inflammatory responses against various heterologous challenges, such as lipopolysaccharide (Toll-like receptor [TLR] 4 ligand) and R848 (TLR7/8 ligand). Mechanistically, HKMtb-induced TI relies on epigenetic mechanisms in a Syk/HIF-1α-dependent manner. In vivo, HKMtb induced TI when administered both systemically and intranasally, with the latter generating a more robust TI response. Summarizing, our research has demonstrated that HKMtb has the potential to act as a mucosal immunotherapy that can successfully induce trained responses.
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Affiliation(s)
- Luna Minute
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Marta Bergón-Gutiérrez
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Pablo Mata-Martínez
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Jaime Fernández-Pascual
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Verónica Terrón
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Tumor Immunology Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Laura Bravo-Robles
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Gülce Bıçakcıoğlu
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Gabriela Zapata-Fernández
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
| | - Nacho Aguiló
- Department of Microbiology, Pediatrics, Radiology, and Public Health, University of Zaragoza/IIS Aragon, Zaragoza, Spain
- CIBERES, CIBERINFEC, Carlos III Health Institute, Madrid, Spain
| | - Eduardo López-Collazo
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Tumor Immunology Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
- CIBERES, CIBERINFEC, Carlos III Health Institute, Madrid, Spain
| | - Carlos del Fresno
- The Innate Immune Response Group, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
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19
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Wang T, Wang Y, Zhang J, Yao Y. Role of trained innate immunity against mucosal cancer. Curr Opin Virol 2024; 64:101387. [PMID: 38364654 DOI: 10.1016/j.coviro.2024.101387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/04/2024] [Accepted: 02/05/2024] [Indexed: 02/18/2024]
Abstract
Mucosal tissues are frequent targets of both primary and metastatic cancers. This has highlighted the significance of both innate and adaptive anti-cancer immunity at mucosal sites. Trained innate immunity (TII) is an emerging concept defined as enhanced reactivity of innate leukocytes long after a previous stimulation that induces prolonged epigenetic, transcriptional, and metabolic changes. Trained innate leukocytes can respond to heterologous targets due to their lacking of antigen-specificity in most cases. Emerging experimental and clinical data suggest that certain microbes or their products induce TII in mucosal-associated innate leukocytes which endows heterologous anti-tumor innate immunity, in both prophylactic and therapeutic scenarios. In this mini-review, we summarize updated findings on the significance of TII in mucosal cancers. We also attempt to raise a few key questions critical to our further understanding on the roles of TII in mucosal cancers, and to the potential application of TII as anti-cancer strategy.
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Affiliation(s)
- Tao Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China
| | - Yanling Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China
| | - Jinjing Zhang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China
| | - Yushi Yao
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China; Liangzhu Laboratory, Hangzhou, Zhejiang 310023, China; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang 310003, China.
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20
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Ngo VL, Lieber CM, Kang HJ, Sakamoto K, Kuczma M, Plemper RK, Gewirtz AT. Intestinal microbiota programming of alveolar macrophages influences severity of respiratory viral infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.09.21.558814. [PMID: 37790571 PMCID: PMC10542499 DOI: 10.1101/2023.09.21.558814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Susceptibility to respiratory virus infections (RVIs) varies widely across individuals. Because the gut microbiome impacts immune function, we investigated the influence of intestinal microbiota composition on RVI and determined that segmented filamentous bacteria (SFB), naturally acquired or exogenously administered, protected mice against influenza virus (IAV) infection. Such protection, which also applied to respiratory syncytial virus and SARS-CoV-2, was independent of interferon and adaptive immunity but required basally resident alveolar macrophages (AM). In SFB-negative mice, AM were quickly depleted as RVI progressed. In contrast, AM from SFB-colonized mice were intrinsically altered to resist IAV-induced depletion and inflammatory signaling. Yet, AM from SFB-colonized mice were not quiescent. Rather, they directly disabled IAV via enhanced complement production and phagocytosis. Accordingly, transfer of SFB-transformed AM into SFB-free hosts recapitulated SFB-mediated protection against IAV. These findings uncover complex interactions that mechanistically link the intestinal microbiota with AM functionality and RVI severity. One sentence summary Intestinal segmented filamentous bacteria reprogram alveolar macrophages promoting nonphlogistic defense against respiratory viruses.
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21
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Singh G, Warang P, García-Bernalt Diego J, Chang L, Bykov Y, Singh S, Pache L, Cuadrado-Castano S, Webb B, Garcia-Sastre A, Schotsaert M. Host immune responses associated with SARS-CoV-2 Omicron infection result in protection or pathology during reinfection depending on mouse genetic background. RESEARCH SQUARE 2023:rs.3.rs-3637405. [PMID: 38077015 PMCID: PMC10705603 DOI: 10.21203/rs.3.rs-3637405/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Rapid emergence of antigenic distinct SARS-CoV-2 variants implies a greater risk of reinfection as viruses can escape neutralizing antibodies induced by vaccination or previous viral exposure. Disease severity during COVID-19 depends on many variables such as age-related comorbidities, host immune status and genetic variation. The host immune response during infection with SARS-CoV-2 may contribute to disease severity, which can range from asymptomatic to severe with fatal outcome. Furthermore, the extent of host immune response activation may rely on underlying genetic predisposition for disease or protection. To address these questions, we performed immune profiling studies in mice with different genetic backgrounds - transgenic K18-hACE2 and wild-type 129S1 mice - subjected to reinfection with the severe disease-causing SARS-CoV-2 B.1.351 variant, 30 days after experimental milder BA.1 infection. BA.1 preinfection conferred protection against B.1.351-induced morbidity in K18-hACE2 mice but aggravated disease in 129S1 mice. We found that he cytokine/chemokine profile in B.1.351 re-infected 129S1mice is similar to that during severe SARS-CoV-2 infection in humans and is characterized by a much higher level of IL-10, IL-1β, IL-18 and IFN-γ, whereas in B.1.351 re-infected K18-hACE2 mice, the cytokine profile echoes the signature of naïve mice undergoing viral infection for the first time. Interestingly, the enhanced pathology observed in 129S1 mice upon reinfection cannot be attributed to a less efficient induction of adaptive immune responses to the initial BA.1 infection, as both K18-hACE2 and 129S1 mice exhibited similar B and T cell responses at 30 DPI against BA.1, with similar anti-BA.1 or B.1.351 spike-specific ELISA binding titers, levels of germinal center B-cells, and SARS-CoV-2-Spike specific tissue-resident T-cells. Long-term effects of BA.1 infection are associated with differential transcriptional changes in bronchoalveolar lavage-derived CD11c + immune cells from K18-hACE2 and 129S1, with K18-hACE2 CD11c + cells showing a strong antiviral defense gene expression profile whereas 129S1 CD11c + cells showed a more pro-inflammatory response. In conclusion, initial infection with BA.1 induces cross-reactive adaptive immune responses in both K18-hACE2 and 129S1 mice, however the different disease outcome of reinfection seems to be driven by differential responses of CD11c + cells in the alveolar space.
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Affiliation(s)
| | | | | | | | | | - Sarabjot Singh
- RT-PCR COVID-19 Laboratory, Civil Hospital, Moga, Punjab, India
| | - Lars Pache
- Sanford Burnham Prebys Medical Discovery Institute
| | | | - Brett Webb
- Department of Veterinary Sciences, University of Wyoming
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22
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Lercher A, Cheong JG, Jiang C, Hoffmann HH, Ashbrook AW, Yin YS, Quirk C, DeGrace EJ, Chiriboga L, Rosenberg BR, Josefowicz SZ, Rice CM. Antiviral innate immune memory in alveolar macrophages following SARS-CoV-2 infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.24.568354. [PMID: 38076887 PMCID: PMC10705235 DOI: 10.1101/2023.11.24.568354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Pathogen encounter results in long-lasting epigenetic imprinting that shapes diseases caused by heterologous pathogens. The breadth of this innate immune memory is of particular interest in the context of respiratory pathogens with increased pandemic potential and wide-ranging impact on global health. Here, we investigated epigenetic imprinting across cell lineages in a disease relevant murine model of SARS-CoV-2 recovery. Past SARS-CoV-2 infection resulted in increased chromatin accessibility of type I interferon (IFN-I) related transcription factors in airway-resident macrophages. Mechanistically, establishment of this innate immune memory required viral pattern recognition and canonical IFN-I signaling and augmented secondary antiviral responses. Past SARS-CoV-2 infection ameliorated disease caused by the heterologous respiratory pathogen influenza A virus. Insights into innate immune memory and how it affects subsequent infections with heterologous pathogens to influence disease pathology could facilitate the development of broadly effective therapeutic strategies.
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Affiliation(s)
- Alexander Lercher
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Jin-Gyu Cheong
- Department of Pathology and Laboratory Medicine, Laboratory of Epigenetics and Immunity, Weill Cornell Medicine, New York, NY, 10065, USA
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Chenyang Jiang
- Department of Pathology and Laboratory Medicine, Laboratory of Epigenetics and Immunity, Weill Cornell Medicine, New York, NY, 10065, USA
- BCMB Allied Program, Weill Cornell Graduate School of Medical Sciences, New York, NY, 10065, USA
| | - Hans-Heinrich Hoffmann
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Alison W. Ashbrook
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Yue S. Yin
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Corrine Quirk
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Emma J. DeGrace
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Luis Chiriboga
- Department of Pathology, New York University Medical Center, New York, NY, 10016, USA
- Center for Biospecimen Research and Development, New York, NY, 10016, USA
| | - Brad R. Rosenberg
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, 10029, USA
| | - Steven Z. Josefowicz
- Department of Pathology and Laboratory Medicine, Laboratory of Epigenetics and Immunity, Weill Cornell Medicine, New York, NY, 10065, USA
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Charles M. Rice
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
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23
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Chen Z, Liu Y, Huang W. Alveolar macrophage modulation via the gut-lung axis in lung diseases. Front Immunol 2023; 14:1279677. [PMID: 38077401 PMCID: PMC10702770 DOI: 10.3389/fimmu.2023.1279677] [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: 08/18/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
Several studies have demonstrated great potential implications for the gut-lung axis in lung disease etiology and treatment. The gut environment can be influenced by diet, metabolites, microbiotal composition, primary diseases, and medical interventions. These changes modulate the functions of alveolar macrophages (AMs) to shape the pulmonary immune response, which greatly impacts lung health. The immune modulation of AMs is implicated in the pathogenesis of various lung diseases. However, the mechanism of the gut-lung axis in lung diseases has not yet been determined. This mini-review aimed to shed light on the critical nature of communication between the gut and AMs during the development of pulmonary infection, injury, allergy, and malignancy. A better understanding of their crosstalk may provide new insights into future therapeutic strategies targeting the gut-AM interaction.
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Affiliation(s)
| | | | - Weizhe Huang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, China
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24
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Schetters STT, Dammeijer F, Desmet CJ. Editorial: The development and plasticity of myeloid immunity in the lung. Front Immunol 2023; 14:1332852. [PMID: 38045688 PMCID: PMC10690406 DOI: 10.3389/fimmu.2023.1332852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 12/05/2023] Open
Affiliation(s)
- Sjoerd T T Schetters
- Center for Inflammation Research, Flanders Institute for Biotechnology, Ghent, Belgium
- Department of Internal Medicine and Pediatrics, Ghent University, Belgium, Ghent, Belgium
| | - Floris Dammeijer
- Department of Pulmonary Medicine, Erasmus Medical Center, Rotterdam, Netherlands
- Laboratory of Tumor Immunology, Department of Medical Oncology, Cancer Institute, Erasmus Medical Center, Rotterdam, Netherlands
| | - Christophe J Desmet
- Laboratory of Cellular and Molecular Immunology, GIGA Inflammation, Infection and Immunity, GIGA Institute, University of Liège, Liège, Belgium
- Laboratory of Pneumology, GIGA Inflammation, Infection and Immunity, GIGA Institute, University of Liège, Liège, Belgium
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25
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Ziogas A, Bruno M, van der Meel R, Mulder WJM, Netea MG. Trained immunity: Target for prophylaxis and therapy. Cell Host Microbe 2023; 31:1776-1791. [PMID: 37944491 DOI: 10.1016/j.chom.2023.10.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 07/27/2023] [Accepted: 10/15/2023] [Indexed: 11/12/2023]
Abstract
Trained immunity is a de facto memory for innate immune responses, leading to long-term functional reprogramming of innate immune cells. In physiological conditions, trained immunity leads to adaptive states that enhance resistance against pathogens and contributes to immunosurveillance. Dysregulated trained immunity can however lead either to defective innate immune responses in severe infections or cancer or to inflammatory and autoimmune diseases if trained immunity is inappropriately activated. Here, we review the immunological and molecular mechanisms that mediate trained immunity induction and propose that trained immunity represents an important target for prophylactic and therapeutic approaches in human diseases. On the one hand, we argue that novel approaches that induce trained immunity may enhance vaccine efficacy. On the other hand, induction of trained immunity in cancer, and inhibition of exaggerated induction of trained immunity in inflammatory disorders, are viable targets amenable for new therapeutic approaches.
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Affiliation(s)
- Athanasios Ziogas
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, the Netherlands.
| | - Mariolina Bruno
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - Roy van der Meel
- Laboratory of Chemical Biology, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Willem J M Mulder
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, the Netherlands; Laboratory of Chemical Biology, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, the Netherlands; Laboratory of Chemical Biology, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands; Department of Immunology and Metabolism, Life & Medical Sciences Institute, University of Bonn, Bonn, Germany
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26
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Wang T, Zhang J, Wang L, Wang Y, Li Y, Yao Y. Reply to: The role of recruitment versus training in influenza-induced lasting changes to alveolar macrophage function. Nat Immunol 2023; 24:1642-1644. [PMID: 37640787 DOI: 10.1038/s41590-023-01603-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/25/2023] [Indexed: 08/31/2023]
Affiliation(s)
- Tao Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Jinjing Zhang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Lu Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Yanling Wang
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Ying Li
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Yushi Yao
- Institute of Immunology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China.
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27
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Iliakis CS, Kulikauskaite J, Aegerter H, Li F, Piattini F, Jakubzick CV, Guilliams M, Kopf M, Wack A. The role of recruitment versus training in influenza-induced lasting changes to alveolar macrophage function. Nat Immunol 2023; 24:1639-1641. [PMID: 37640788 PMCID: PMC10563517 DOI: 10.1038/s41590-023-01602-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/25/2023] [Indexed: 08/31/2023]
Affiliation(s)
| | | | - Helena Aegerter
- Laboratory of Immunoregulation and Mucosal Immunology, VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Fengqi Li
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Federica Piattini
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Claudia V Jakubzick
- Department of Microbiology and Immunology, Dartmouth Geisel School of Medicine, Hanover, NH, USA
| | - Martin Guilliams
- Laboratory of Myeloid Cell Biology in Tissue Homeostasis and Regeneration, VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Manfred Kopf
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Andreas Wack
- Immunoregulation Laboratory, Francis Crick Institute, London, UK.
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28
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Chang CY, Armstrong D, Corry DB, Kheradmand F. Alveolar macrophages in lung cancer: opportunities challenges. Front Immunol 2023; 14:1268939. [PMID: 37822933 PMCID: PMC10562548 DOI: 10.3389/fimmu.2023.1268939] [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: 07/28/2023] [Accepted: 09/12/2023] [Indexed: 10/13/2023] Open
Abstract
Alveolar macrophages (AMs) are critical components of the innate defense mechanism in the lung. Nestled tightly within the alveoli, AMs, derived from the yolk-sac or bone marrow, can phagocytose foreign particles, defend the host against pathogens, recycle surfactant, and promptly respond to inhaled noxious stimuli. The behavior of AMs is tightly dependent on the environmental cues whereby infection, chronic inflammation, and associated metabolic changes can repolarize their effector functions in the lungs. Several factors within the tumor microenvironment can re-educate AMs, resulting in tumor growth, and reducing immune checkpoint inhibitors (ICIs) efficacy in patients treated for non-small cell lung cancer (NSCLC). The plasticity of AMs and their critical function in altering tumor responses to ICIs make them a desirable target in lung cancer treatment. New strategies have been developed to target AMs in solid tumors reprograming their suppressive function and boosting the efficacy of ICIs. Here, we review the phenotypic and functional changes in AMs in response to sterile inflammation and in NSCLC that could be critical in tumor growth and metastasis. Opportunities in altering AMs' function include harnessing their potential function in trained immunity, a concept borrowed from memory response to infections, which could be explored therapeutically in managing lung cancer treatment.
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Affiliation(s)
- Cheng-Yen Chang
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Dominique Armstrong
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - David B. Corry
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
- Biology of Inflammation Center, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Diseases, Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, TX, United States
| | - Farrah Kheradmand
- Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, United States
- Biology of Inflammation Center, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Diseases, Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, TX, United States
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29
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Al B, Suen TK, Placek K, Netea MG. Innate (learned) memory. J Allergy Clin Immunol 2023; 152:551-566. [PMID: 37385546 DOI: 10.1016/j.jaci.2023.06.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/24/2023] [Accepted: 06/01/2023] [Indexed: 07/01/2023]
Abstract
With the growing body of evidence, it is now clear that not only adaptive immune cells but also innate immune cells can mount a more rapid and potent nonspecific immune response to subsequent exposures. This process is known as trained immunity or innate (learned) immune memory. This review discusses the different immune and nonimmune cell types of the central and peripheral immune systems that can develop trained immunity. This review highlights the intracellular signaling and metabolic and epigenetic mechanisms underlying the formation of innate immune memory. Finally, this review explores the health implications together with the potential therapeutic interventions harnessing trained immunity.
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Affiliation(s)
- Burcu Al
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn
| | - Tsz K Suen
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn
| | - Katarzyna Placek
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn
| | - Mihai G Netea
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn; Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen.
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30
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Maceiras AR, Silvério D, Gonçalves R, Cardoso MS, Saraiva M. Infection with hypervirulent Mycobacterium tuberculosis triggers emergency myelopoiesis but not trained immunity. Front Immunol 2023; 14:1211404. [PMID: 37383236 PMCID: PMC10296772 DOI: 10.3389/fimmu.2023.1211404] [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: 04/24/2023] [Accepted: 05/30/2023] [Indexed: 06/30/2023] Open
Abstract
Introduction During infection, bone marrow (BM) hematopoiesis is reprogrammed toward myeloid cell production, a mechanism named emergency myelopoiesis. In addition to replenishing myeloid cells, emergency myelopoiesis has been linked to trained immunity, a process that allows enhanced innate immune responses to secondary challenges. Although hematopoietic alterations during tuberculosis (TB) have been described and Mycobacterium tuberculosis may colonize the BM, studies using the mouse model of infection and the laboratory reference strain M. tuberculosis H37Rv have demonstrated limited emergency myelopoiesis and trained immunity. Methods To further address this issue, we aerosol- infected C57BL/6 mice with high doses of the hypervirulent M. tuberculosis isolate HN878 and monitored alterations to the BM. This experimental model better resembles the human blood immune signature of TB. Results and discussion We found increased frequencies of lineage-Sca-1+cKit+ (LSK) cells and the granulocyte/macrophage progenitor (GMP) population. At the mature cell level, we observed an increase of monocytes and neutrophils in the blood and lung, likely reflecting the increased BM myeloid output. Monocytes or monocyte-derived macrophages recovered from the BM of M. tuberculosis HN878-infected mice did not show signs of trained immunity, suggesting an uncoupling of emergency myelopoiesis and trained immunity in the BM. Surprisingly, M. tuberculosis HN878-induced emergency myelopoiesis was not fully dependent on IFNγ, as mice lacking this cytokine and infected under the same conditions as wild-type mice still presented BM alterations. These data expand our understanding of the immune response to M. tuberculosis and raise awareness of pathogen strain-imposed differences to host responses.
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Affiliation(s)
- Ana Raquel Maceiras
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
| | - Diogo Silvério
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Doctoral Program in Molecular and Cell Biology, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
| | - Rute Gonçalves
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Doctoral Program in Molecular and Cell Biology, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
| | - Marcos S. Cardoso
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Margarida Saraiva
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
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31
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Nistal-Villan E, Rius-Rocabert S, Llinares-Pinel F. Oncolytic virotherapy in lung cancer. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 379:221-239. [PMID: 37541725 DOI: 10.1016/bs.ircmb.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2023]
Abstract
Lung tumors are one of the most aggressive threats affecting humans. Current therapeutic approaches have improved patients' survival; however, further efforts are required to increase effectiveness and protection against tumor relapse and metastasis. Immunotherapy presents an alternative to previous treatments that focuses on stimulating of the patient's immune system to destroy tumor cells. Viruses can be used as part of the immune therapeutic approach as agents that could selectively infect tumor cells, triggering an immune response against the infection and against the tumor cells. Some viruses have been selected for specifically infecting and destroying cancer cells, activating the immune response, enhancing access, amplifying the cytotoxicity against the tumor cells, and improving the long-term memory that can prevent tumor relapse. Oncolytic virotherapy can then be used as a strategy to target the destruction of transformed cells at the tumor site and act in locations distant from the primary targeted tumor site. Some of the current challenges in lung cancer treatment can be addressed using traditional therapies combined with oncolytic virotherapy. Defining the best combination, including the choice of the right settings will be at the next frontier in lung cancer treatment.
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Affiliation(s)
- Estanislao Nistal-Villan
- Microbiology Section, Departamento CC, Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla del Monte, Spain; Instituto de Medicina Molecular Aplicada (IMMA) Nemesio Díez, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Boadilla del Monte, Spain.
| | - Sergio Rius-Rocabert
- Microbiology Section, Departamento CC, Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla del Monte, Spain; Instituto de Medicina Molecular Aplicada (IMMA) Nemesio Díez, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Boadilla del Monte, Spain
| | - Francisco Llinares-Pinel
- Microbiology Section, Departamento CC, Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla del Monte, Spain
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Stegemann-Koniszewski S, Frentzel S, Bruder D. Good and bad outcomes of respiratory viral infections-influenza A virus trains sustained antitumor immunity of macrophages in the lung. Cell Mol Immunol 2023:10.1038/s41423-023-01015-y. [PMID: 37069228 PMCID: PMC10387473 DOI: 10.1038/s41423-023-01015-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/19/2023] Open
Affiliation(s)
- Sabine Stegemann-Koniszewski
- Experimental Pneumology, Department of Pneumology, University Hospital Magdeburg/Medical Faculty, Health Campus Immunology, Infectiology and Inflammation, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Sarah Frentzel
- Institute of Medical Microbiology and Hospital Hygiene, Infection Immunology Group, Health Campus Immunology, Infectiology and Inflammation, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Immune Regulation Group, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Dunja Bruder
- Institute of Medical Microbiology and Hospital Hygiene, Infection Immunology Group, Health Campus Immunology, Infectiology and Inflammation, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
- Immune Regulation Group, Helmholtz Centre for Infection Research, Braunschweig, Germany.
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Wang S, Liang B, Wang W, Li L, Feng N, Zhao Y, Wang T, Yan F, Yang S, Xia X. Viral vectored vaccines: design, development, preventive and therapeutic applications in human diseases. Signal Transduct Target Ther 2023; 8:149. [PMID: 37029123 PMCID: PMC10081433 DOI: 10.1038/s41392-023-01408-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 03/06/2023] [Accepted: 03/14/2023] [Indexed: 04/09/2023] Open
Abstract
Human diseases, particularly infectious diseases and cancers, pose unprecedented challenges to public health security and the global economy. The development and distribution of novel prophylactic and therapeutic vaccines are the prioritized countermeasures of human disease. Among all vaccine platforms, viral vector vaccines offer distinguished advantages and represent prominent choices for pathogens that have hampered control efforts based on conventional vaccine approaches. Currently, viral vector vaccines remain one of the best strategies for induction of robust humoral and cellular immunity against human diseases. Numerous viruses of different families and origins, including vesicular stomatitis virus, rabies virus, parainfluenza virus, measles virus, Newcastle disease virus, influenza virus, adenovirus and poxvirus, are deemed to be prominent viral vectors that differ in structural characteristics, design strategy, antigen presentation capability, immunogenicity and protective efficacy. This review summarized the overall profile of the design strategies, progress in advance and steps taken to address barriers to the deployment of these viral vector vaccines, simultaneously highlighting their potential for mucosal delivery, therapeutic application in cancer as well as other key aspects concerning the rational application of these viral vector vaccines. Appropriate and accurate technological advances in viral vector vaccines would consolidate their position as a leading approach to accelerate breakthroughs in novel vaccines and facilitate a rapid response to public health emergencies.
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Affiliation(s)
- Shen Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Bo Liang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Weiqi Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Ling Li
- China National Research Center for Exotic Animal Diseases, China Animal Health and Epidemiology Center, Qingdao, China
| | - Na Feng
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yongkun Zhao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Tiecheng Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Feihu Yan
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China.
| | - Songtao Yang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China.
| | - Xianzhu Xia
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China.
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Rodriguez-Rodriguez L, Gillet L, Machiels B. Shaping of the alveolar landscape by respiratory infections and long-term consequences for lung immunity. Front Immunol 2023; 14:1149015. [PMID: 37081878 PMCID: PMC10112541 DOI: 10.3389/fimmu.2023.1149015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/15/2023] [Indexed: 04/07/2023] Open
Abstract
Respiratory infections and especially viral infections, along with other extrinsic environmental factors, have been shown to profoundly affect macrophage populations in the lung. In particular, alveolar macrophages (AMs) are important sentinels during respiratory infections and their disappearance opens a niche for recruited monocytes (MOs) to differentiate into resident macrophages. Although this topic is still the focus of intense debate, the phenotype and function of AMs that recolonize the niche after an inflammatory insult, such as an infection, appear to be dictated in part by their origin, but also by local and/or systemic changes that may be imprinted at the epigenetic level. Phenotypic alterations following respiratory infections have the potential to shape lung immunity for the long-term, leading to beneficial responses such as protection against allergic airway inflammation or against other infections, but also to detrimental responses when associated with the development of immunopathologies. This review reports the persistence of virus-induced functional alterations in lung macrophages, and discusses the importance of this imprinting in explaining inter-individual and lifetime immune variation.
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Trained to fight cancer. Nat Rev Immunol 2023; 23:202. [PMID: 36918663 DOI: 10.1038/s41577-023-00859-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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