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Piersma SJ. Tissue-specific features of innate lymphoid cells in antiviral defense. Cell Mol Immunol 2024; 21:1036-1050. [PMID: 38684766 PMCID: PMC11364677 DOI: 10.1038/s41423-024-01161-x] [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: 12/25/2023] [Accepted: 04/01/2024] [Indexed: 05/02/2024] Open
Abstract
Innate lymphocytes (ILCs) rapidly respond to and protect against invading pathogens and cancer. ILCs include natural killer (NK) cells, ILC1s, ILC2s, ILC3s, and lymphoid tissue inducer (LTi) cells and include type I, type II, and type III immune cells. While NK cells have been well recognized for their role in antiviral immunity, other ILC subtypes are emerging as players in antiviral defense. Each ILC subset has specialized functions that uniquely impact the antiviral immunity and health of the host depending on the tissue microenvironment. This review focuses on the specialized functions of each ILC subtype and their roles in antiviral immune responses across tissues. Several viruses within infection-prone tissues will be highlighted to provide an overview of the extent of the ILC immunity within tissues and emphasize common versus virus-specific responses.
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Affiliation(s)
- Sytse J Piersma
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, 63110, USA.
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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2
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Kawakami Y, Takazawa I, Fajt ML, Kasakura K, Lin J, Ferrer J, Kantor DB, Phipatanakul W, Heymann PW, Benedict CA, Kawakami Y, Kawakami T. Histamine-releasing factor in severe asthma and rhinovirus-associated asthma exacerbation. J Allergy Clin Immunol 2023; 152:633-640.e4. [PMID: 37301412 PMCID: PMC10917146 DOI: 10.1016/j.jaci.2023.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 04/07/2023] [Accepted: 04/28/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND Histamine-releasing factor (HRF) is implicated in allergic diseases. We previously showed its pathogenic role in murine models of asthma. OBJECTIVE We aim to present data analysis from 3 separate human samples (sera samples from asthmatic patients, nasal washings from rhinovirus [RV]-infected individuals, and sera samples from patients with RV-induced asthma exacerbation) and 1 mouse sample to investigate correlates of HRF function in asthma and virus-induced asthma exacerbations. METHODS Total IgE and HRF-reactive IgE/IgG as well as HRF in sera from patients with mild/moderate asthma or severe asthma (SA) and healthy controls (HCs) were quantified by ELISA. HRF secretion in culture media from RV-infected adenovirus-12 SV40 hybrid virus transformed human bronchial epithelial cells and in nasal washings from experimentally RV-infected subjects was analyzed by Western blotting. HRF-reactive IgE/IgG levels in longitudinal serum samples from patients with asthma exacerbations were also quantified. RESULTS HRF-reactive IgE and total IgE levels were higher in patients with SA than in HCs, whereas HRF-reactive IgG (and IgG1) level was lower in asthmatic patients versus HCs. In comparison with HRF-reactive IgElow asthmatic patients, HRF-reactive IgEhigh asthmatic patients had a tendency to release more tryptase and prostaglandin D2 on anti-IgE stimulation of bronchoalveolar lavage cells. RV infection induced HRF secretion from adenovirus-12 SV40 hybrid virus transformed bronchial epithelial cells, and intranasal RV infection of human subjects induced increased HRF secretion in nasal washes. Asthmatic patients had higher levels of HRF-reactive IgE at the time of asthma exacerbations associated with RV infection, compared with those after the resolution. This phenomenon was not seen in asthma exacerbations without viral infections. CONCLUSIONS HRF-reactive IgE is higher in patients with SA. RV infection induces HRF secretion from respiratory epithelial cells both in vitro and in vivo. These results suggest the role of HRF in asthma severity and RV-induced asthma exacerbation.
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Affiliation(s)
- Yu Kawakami
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif
| | - Ikuo Takazawa
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif
| | - Merritt L Fajt
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pa
| | - Kazumi Kasakura
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif
| | - Joseph Lin
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif
| | - Julienne Ferrer
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif
| | - David B Kantor
- Critical Care Medicine, Department of Anesthesiology, Critical Care and Pain Medicine, Children's Hospital, Boston, Mass
| | | | - Peter W Heymann
- Asthma and Allergic Diseases Center, University of Virginia, Charlottsville, Va; Division of Pediatric Respiratory Medicine, University of Virginia, Charlottsville, Va
| | - Chris A Benedict
- Benedict Laboratory, Center for Autoimmunity and Inflammation and Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, Calif
| | - Yuko Kawakami
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif
| | - Toshiaki Kawakami
- Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif.
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3
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Madeshiya AK, Pillai A. Innate lymphoid cells in depression: Current status and perspectives. Biomark Neuropsychiatry 2022; 7. [PMID: 37123464 PMCID: PMC10136288 DOI: 10.1016/j.bionps.2022.100055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The recent discovery of innate lymphoid cells (ILCs) has provided new insights into our understanding of the pathogenesis of many disease conditions with immune dysregulation. Type 1 innate lymphoid cells (ILC1s) induce type I immunity and are characterized by the expression of signature cytokine IFN-γ and the master transcription factor T-bet; ILC2s stimulate type II immune responses and are defined by the expression of signature cytokines IL-5 and IL-13, and transcription factors ROR-α and GATA3; ILC3s requires the transcription factor RORγt and produce IL-22 and IL-17. ILCs are largely tissue-resident and are enriched at barrier surfaces of the mammalian body. Increasing evidence shows that inflammation is involved in the pathogenesis of depression. Although few studies have directly investigated the role of ILCs in depression, several studies have examined the levels of cytokines produced by ILCs in depressed subjects. This review summarizes the potential roles of ILCs in depression. A better understanding of the biology of ILCs may lead to the development of new therapeutic strategies for the management of depression.
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Favaro RR, Phillips K, Delaunay-Danguy R, Ujčič K, Markert UR. Emerging Concepts in Innate Lymphoid Cells, Memory, and Reproduction. Front Immunol 2022; 13:824263. [PMID: 35774779 PMCID: PMC9237338 DOI: 10.3389/fimmu.2022.824263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 04/15/2022] [Indexed: 12/28/2022] Open
Abstract
Members of the innate immune system, innate lymphoid cells (ILCs), encompass five major populations (Natural Killer (NK) cells, ILC1s, ILC2s, ILC3s, and lymphoid tissue inducer cells) whose functions include defense against pathogens, surveillance of tumorigenesis, and regulation of tissue homeostasis and remodeling. ILCs are present in the uterine environment of humans and mice and are dynamically regulated during the reproductive cycle and pregnancy. These cells have been repurposed to support pregnancy promoting maternal immune tolerance and placental development. To accomplish their tasks, immune cells employ several cellular and molecular mechanisms. They have the capacity to remember a previously encountered antigen and mount a more effective response to succeeding events. Memory responses are not an exclusive feature of the adaptive immune system, but also occur in innate immune cells. Innate immune memory has already been demonstrated in monocytes/macrophages, neutrophils, dendritic cells, and ILCs. A population of decidual NK cells characterized by elevated expression of NKG2C and LILRB1 as well as a distinctive transcriptional and epigenetic profile was found to expand during subsequent pregnancies in humans. These cells secrete high amounts of interferon-γ and vascular endothelial growth factor likely favoring placentation. Similarly, uterine ILC1s in mice upregulate CXCR6 and expand in second pregnancies. These data provide evidence on the development of immunological memory of pregnancy. In this article, the characteristics, functions, and localization of ILCs are reviewed, emphasizing available data on the uterine environment. Following, the concept of innate immune memory and its mechanisms, which include epigenetic changes and metabolic rewiring, are presented. Finally, the emerging role of innate immune memory on reproduction is discussed. Advances in the comprehension of ILC functions and innate immune memory may contribute to uncovering the immunological mechanisms underlying female fertility/infertility, placental development, and distinct outcomes in second pregnancies related to higher birth weight and lower incidence of complications.
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CD4 T Cell-Mediated Immune Control of Cytomegalovirus Infection in Murine Salivary Glands. Pathogens 2021; 10:pathogens10121531. [PMID: 34959486 PMCID: PMC8704252 DOI: 10.3390/pathogens10121531] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/17/2021] [Accepted: 11/21/2021] [Indexed: 12/24/2022] Open
Abstract
CD4 T cells are well known for their supportive role in CD8 T cell and B cell responses during viral infection. However, during murine cytomegalovirus (MCMV) infection in the salivary glands (SGs), CD4 T cells exhibit direct antiviral effector functions to control the infection. In this mucosal organ, opposed to other infected tissues, MCMV establishes a sustained lytic replication that lasts for several weeks. While the protective function of CD4 T cells is exerted through the production of the pro-inflammatory cytokines interferon gamma (IFNγ) and tumor necrosis factor alpha (TNF), the reasons for their markedly delayed control of lytic MCMV infection remain elusive. Here, we review the current knowledge on the dynamics and mechanisms of the CD4 T cell-mediated control of MCMV-infected SGs, including their localization in the SG in relation to MCMV infected cells and other immune cells, their mode of action, and their regulation.
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Poonpanichakul T, Chan-In W, Opasawatchai A, Loison F, Matangkasombut O, Charoensawan V, Matangkasombut P. Innate Lymphoid Cells Activation and Transcriptomic Changes in Response to Human Dengue Infection. Front Immunol 2021; 12:599805. [PMID: 34079535 PMCID: PMC8165392 DOI: 10.3389/fimmu.2021.599805] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 04/29/2021] [Indexed: 12/19/2022] Open
Abstract
Background Dengue virus (DENV) infection has a global impact on public health. The clinical outcomes (of DENV) can vary from a flu-like illness called dengue fever (DF), to a more severe form, known as dengue hemorrhagic fever (DHF). The underlying innate immune mechanisms leading to protective or detrimental outcomes have not been fully elucidated. Helper innate lymphoid cells (hILCs), an innate lymphocyte recently discovered, functionally resemble T-helper cells and are important in inflammation and homeostasis. However, the role of hILCs in DENV infection had been unexplored. Methods We performed flow cytometry to investigate the frequency and phenotype of hILCs in peripheral blood mononuclear cells from DENV-infected patients of different disease severities (DF and DHF), and at different phases (febrile and convalescence) of infection. Intracellular cytokine staining of hILCs from DF and DHF were also evaluated by flow cytometry after ex vivo stimulation. Further, the hILCs were sorted and subjected to transcriptome analysis using RNA sequencing. Differential gene expression analysis was performed to compare the febrile and convalescent phase samples in DF and DHF. Selected differentially expressed genes were then validated by quantitative PCR. Results Phenotypic analysis showed marked activation of all three hILC subsets during the febrile phase as shown by higher CD69 expression when compared to paired convalescent samples, although the frequency of hILCs remained unchanged. Upon ex vivo stimulation, hILCs from febrile phase DHF produced significantly higher IFN-γ and IL-4 when compared to those of DF. Transcriptomic analysis showed unique hILCs gene expression in DF and DHF, suggesting that divergent functions of hILCs may be associated with different disease severities. Differential gene expression analysis indicated that hILCs function both in cytokine secretion and cytotoxicity during the febrile phase of DENV infection. Conclusions Helper ILCs are activated in the febrile phase of DENV infection and display unique transcriptomic changes as well as cytokine production that correlate with severity. Targeting hILCs during early innate response to DENV might help shape subsequent immune responses and potentially lessen the disease severity in the future.
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Affiliation(s)
- Tiraput Poonpanichakul
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Systems Biology of Diseases Research Unit, Faculty of Science, Mahidol University, Bangkok, Thailand.,Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Wilawan Chan-In
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Clinical Pathology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Anunya Opasawatchai
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Fabien Loison
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Systems Biology of Diseases Research Unit, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Oranart Matangkasombut
- Department of Microbiology and Research Unit on Oral Microbiology and Immunology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok, Thailand
| | - Varodom Charoensawan
- Systems Biology of Diseases Research Unit, Faculty of Science, Mahidol University, Bangkok, Thailand.,Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand.,Integrative Computational BioScience Center (ICBS), Mahidol University, Nakhon Pathom, Thailand
| | - Ponpan Matangkasombut
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand.,Systems Biology of Diseases Research Unit, Faculty of Science, Mahidol University, Bangkok, Thailand
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Cardoso Alves L, Corazza N, Micheau O, Krebs P. The multifaceted role of TRAIL signaling in cancer and immunity. FEBS J 2020; 288:5530-5554. [PMID: 33215853 DOI: 10.1111/febs.15637] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 11/10/2020] [Accepted: 11/17/2020] [Indexed: 12/29/2022]
Abstract
Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is a member of the TNF superfamily that can lead to the induction of apoptosis in tumor or infected cells. However, activation of TRAIL signaling may also trigger nonapoptotic pathways in cancer and in nontransformed cells, that is, immune cells. Here, we review the current knowledge on noncanonical TRAIL signaling. The biological outcomes of TRAIL signaling in immune and malignant cells are presented and explained, with a focus on the role of TRAIL for natural killer (NK) cell function. Furthermore, we highlight the technical difficulties in dissecting the precise molecular mechanisms involved in the switch between apoptotic and nonapoptotic TRAIL signaling. Finally, we discuss the consequences thereof for a therapeutic manipulation of TRAIL in cancer and possible approaches to bypass these difficulties.
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Affiliation(s)
| | - Nadia Corazza
- Institute of Pathology, University of Bern, Switzerland
| | - Olivier Micheau
- INSERM, Université Bourgogne Franche-Comté, LNC UMR1231, Dijon, France
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Innate lymphocytes: pathogenesis and therapeutic targets of liver diseases and cancer. Cell Mol Immunol 2020; 18:57-72. [PMID: 33041339 DOI: 10.1038/s41423-020-00561-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 09/14/2020] [Indexed: 02/07/2023] Open
Abstract
The liver is a lymphoid organ with unique immunological properties, particularly, its predominant innate immune system. The balance between immune tolerance and immune activity is critical to liver physiological functions and is responsible for the sensitivity of this organ to numerous diseases, including hepatotropic virus infection, alcoholic liver disease, nonalcoholic fatty liver disease, autoimmune liver disease, and liver cancer, which are major health problems globally. In the past decade, with the discovery of liver-resident natural killer cells, the importance of innate lymphocytes with tissue residency has gradually become the focus of research. In this review, we address the current knowledge regarding hepatic innate lymphocytes with unique characteristics, including NK cells, ILC1/2/3s, NKT cells, γδ T cells, and MAIT cells, and their potential roles in liver homeostasis maintenance and the progression of liver diseases and cancer. A better understanding of the immunopathogenesis of hepatic innate lymphocytes will be helpful for proposing effective treatments for liver diseases and cancer.
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Abstract
The continuous interactions between host and pathogens during their coevolution have shaped both the immune system and the countermeasures used by pathogens. Natural killer (NK) cells are innate lymphocytes that are considered central players in the antiviral response. Not only do they express a variety of inhibitory and activating receptors to discriminate and eliminate target cells but they can also produce immunoregulatory cytokines to alert the immune system. Reciprocally, several unrelated viruses including cytomegalovirus, human immunodeficiency virus, influenza virus, and dengue virus have evolved a multitude of mechanisms to evade NK cell function, such as the targeting of pathways for NK cell receptors and their ligands, apoptosis, and cytokine-mediated signaling. The studies discussed in this article provide further insights into the antiviral function of NK cells and the pathways involved, their constituent proteins, and ways in which they could be manipulated for host benefit.
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Affiliation(s)
- Mathieu Mancini
- Department of Human Genetics, McGill University, Montreal, Quebec H3A 0C7, Canada;,
- McGill University Research Centre on Complex Traits, McGill University, Montreal, Quebec H3G 0B1, Canada
| | - Silvia M. Vidal
- Department of Human Genetics, McGill University, Montreal, Quebec H3A 0C7, Canada;,
- McGill University Research Centre on Complex Traits, McGill University, Montreal, Quebec H3G 0B1, Canada
- Department of Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
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Gómez-Massa E, Lasa-Lázaro M, Gil-Etayo FJ, Ulloa-Márquez E, Justo I, Loinaz C, Calvo-Pulido J, Paz-Artal E, Talayero P. Donor helper innate lymphoid cells are replaced earlier than lineage positive cells and persist long-term in human intestinal grafts - a descriptive study. Transpl Int 2020; 33:1016-1029. [PMID: 32246810 DOI: 10.1111/tri.13609] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/04/2020] [Accepted: 03/25/2020] [Indexed: 12/11/2022]
Abstract
Intestinal grafts carry large donor lymphoid load that is replaced by recipient cells. The dynamics of this process may influence the tolerance, rejection or graft-versus-host disease. We analysed distribution and turnover of T and B (Lin+) lymphocytes, natural killer (NK) and helper innate lymphoid cells (hILC) in intestinal epithelium (IEp) and lamina propia (LP) from a long-term cohort of eight intestinal recipients and from a single patient monitored deeply during the first 8 months post-transplant (posTx). Long-term intestinal grafts showed significantly higher %hILC than native bowels in IEp and LP until 10 years posTx and recovery to normal levels was observed afterwards. We also observed an imbalance between hILC subsets in IEp [increase of type 1 (ILC1) and decrease in type 3 (ILC3) innate lymphoid cells] that persisted along posTx time even when %hILC was similar to native bowels. Regarding hILC origin, we still detected the presence of donor cells at 13 years posTx. However, this chimerism was significantly lower than in Lin+ and NK populations. According to these findings, observation from the patient monitored in early posTx period showed that recipient hILC repopulate earlier and faster than Lin+ cells, with increase in ILC1 related to rejection and infection episodes.
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Affiliation(s)
- Elena Gómez-Massa
- Department of Immunology, University Hospital 12 de Octubre, Madrid, Spain.,Imas12 Research Institute, University Hospital 12 de Octubre, Madrid, Spain
| | - María Lasa-Lázaro
- Department of Immunology, University Hospital 12 de Octubre, Madrid, Spain.,Imas12 Research Institute, University Hospital 12 de Octubre, Madrid, Spain
| | | | | | - Iago Justo
- HPB Surgery and Abdominal Transplantation Unit, General Surgery Service, University Hospital 12 de Octubre, Madrid, Spain
| | - Carmelo Loinaz
- HPB Surgery and Abdominal Transplantation Unit, General Surgery Service, University Hospital 12 de Octubre, Madrid, Spain
| | - Jorge Calvo-Pulido
- HPB Surgery and Abdominal Transplantation Unit, General Surgery Service, University Hospital 12 de Octubre, Madrid, Spain
| | - Estela Paz-Artal
- Department of Immunology, University Hospital 12 de Octubre, Madrid, Spain.,Imas12 Research Institute, University Hospital 12 de Octubre, Madrid, Spain.,School of Medicine, Complutense University, Madrid, Spain.,Section of Immunology, San Pablo CEU University, Madrid, Spain
| | - Paloma Talayero
- Department of Immunology, University Hospital 12 de Octubre, Madrid, Spain.,Imas12 Research Institute, University Hospital 12 de Octubre, Madrid, Spain
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Sag D, Ayyildiz ZO, Gunalp S, Wingender G. The Role of TRAIL/DRs in the Modulation of Immune Cells and Responses. Cancers (Basel) 2019; 11:cancers11101469. [PMID: 31574961 PMCID: PMC6826877 DOI: 10.3390/cancers11101469] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/09/2019] [Accepted: 09/20/2019] [Indexed: 12/26/2022] Open
Abstract
Expression of TRAIL (tumor necrosis factor–related apoptosis–inducing ligand) by immune cells can lead to the induction of apoptosis in tumor cells. However, it becomes increasingly clear that the interaction of TRAIL and its death receptors (DRs) can also directly impact immune cells and influence immune responses. Here, we review what is known about the role of TRAIL/DRs in immune cells and immune responses in general and in the tumor microenvironment in particular.
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Affiliation(s)
- Duygu Sag
- Izmir Biomedicine and Genome Center (IBG), 35340 Balcova/Izmir, Turkey.
- Department of Medical Biology, Faculty of Medicine, Dokuz Eylul University, 35340 Balcova/Izmir, Turkey.
- Department of Genome Sciences and Molecular Biotechnology, Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340 Balcova/Izmir, Turkey.
| | - Zeynep Ozge Ayyildiz
- Department of Genome Sciences and Molecular Biotechnology, Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340 Balcova/Izmir, Turkey.
| | - Sinem Gunalp
- Department of Genome Sciences and Molecular Biotechnology, Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340 Balcova/Izmir, Turkey.
| | - Gerhard Wingender
- Izmir Biomedicine and Genome Center (IBG), 35340 Balcova/Izmir, Turkey.
- Department of Biomedicine and Health Technologies, Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340 Balcova/Izmir, Turkey.
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Interactions of Tumor Necrosis Factor-Related Apoptosis-Inducing Ligand (TRAIL) with the Immune System: Implications for Inflammation and Cancer. Cancers (Basel) 2019; 11:cancers11081161. [PMID: 31412671 PMCID: PMC6721490 DOI: 10.3390/cancers11081161] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/07/2019] [Accepted: 08/09/2019] [Indexed: 12/24/2022] Open
Abstract
Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is a member of the TNF superfamily. TRAIL has historically been distinct from the Fas ligand and TNFα in terms of selective apoptosis induction in tumor cells and has a nearly non-existent systemic toxicity. Consequently, in the search for an ideal drug for tumor therapy, TRAIL rapidly drew interest, promising effective tumor control with minimal side effects. However, euphoria gave way to disillusionment as it turned out that carcinoma cells possess or can acquire resistance to TRAIL-induced apoptosis. Additionally, studies on models of inflammation and autoimmunity revealed that TRAIL can influence immune cells in many different ways. While TRAIL was initially found to be an important player in tumor defense by natural killer cells or cytotoxic T cells, additional effects of TRAIL on regulatory T cells and effector T cells, as well as on neutrophilic granulocytes and antigen-presenting cells, became focuses of interest. The tumor-promoting effects of these interactions become particularly important for consideration in cases where tumors are resistant to TRAIL-induced apoptosis. Consequently, murine models have shown that TRAIL can impair the tumor microenvironment toward a more immunosuppressive type, thereby promoting tumor growth. This review summarizes the current state of knowledge on TRAIL’s interactions with the immune system in the context of cancer.
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