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Koprivica I, Stanisavljević S, Mićanović D, Jevtić B, Stojanović I, Miljković Đ. ILC3: a case of conflicted identity. Front Immunol 2023; 14:1271699. [PMID: 37915588 PMCID: PMC10616800 DOI: 10.3389/fimmu.2023.1271699] [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: 08/02/2023] [Accepted: 10/02/2023] [Indexed: 11/03/2023] Open
Abstract
Innate lymphoid cells type 3 (ILC3s) are the first line sentinels at the mucous tissues, where they contribute to the homeostatic immune response in a major way. Also, they have been increasingly appreciated as important modulators of chronic inflammatory and autoimmune responses, both locally and systemically. The proper identification of ILC3 is of utmost importance for meaningful studies on their role in immunity. Flow cytometry is the method of choice for the detection and characterization of ILC3. However, the analysis of ILC3-related papers shows inconsistency in ILC3 phenotypic definition, as different inclusion and exclusion markers are used for their identification. Here, we present these discrepancies in the phenotypic characterization of human and mouse ILC3s. We discuss the pros and cons of using various markers for ILC3 identification. Furthermore, we consider the possibilities for the efficient isolation and propagation of ILC3 from different organs and tissues for in-vitro and in-vivo studies. This paper calls upon uniformity in ILC3 definition, isolation, and propagation for the increased possibility of confluent interpretation of ILC3's role in immunity.
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Affiliation(s)
| | | | | | | | | | - Đorđe Miljković
- Department of Immunology, Institute for Biological Research “Siniša Stanković” - National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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2
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Zhang Y, Feng X, Chen J, Liu J, Wu J, Tan H, Mi Z, Rong P. Controversial role of ILC3s in intestinal diseases: A novelty perspective on immunotherapy. Front Immunol 2023; 14:1134636. [PMID: 37063879 PMCID: PMC10090672 DOI: 10.3389/fimmu.2023.1134636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 03/13/2023] [Indexed: 03/31/2023] Open
Abstract
ILC3s have been identified as crucial immune regulators that play a role in maintaining host homeostasis and modulating the antitumor response. Emerging evidence supports the idea that LTi cells play an important role in initiating lymphoid tissue development, while other ILC3s can promote host defense and orchestrate adaptive immunity, mainly through the secretion of specific cytokines and crosstalk with other immune cells or tissues. Additionally, dysregulation of ILC3-mediated overexpression of cytokines, changes in subset abundance, and conversion toward other ILC subsets are closely linked with the occurrence of tumors and inflammatory diseases. Regulation of ILC3 cytokines, ILC conversion and LTi-induced TLSs may be a novel strategy for treating tumors and intestinal or extraintestinal inflammatory diseases. Herein, we discuss the development of ILCs, the biology of ILC3s, ILC plasticity, the correlation of ILC3s and adaptive immunity, crosstalk with the intestinal microenvironment, controversial roles of ILC3s in intestinal diseases and potential applications for treatment.
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Affiliation(s)
- Yunshu Zhang
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Xuefei Feng
- Department of Government & Public Administration, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Juan Chen
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiahao Liu
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jianmin Wu
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hongpei Tan
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ze Mi
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Ze Mi, ; Pengfei Rong,
| | - Pengfei Rong
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Key Laboratory of Biological Nanotechnology of National Health Commission, Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Ze Mi, ; Pengfei Rong,
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3
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Schroeder JH, Beattie G, Lo JW, Zabinski T, Powell N, Neves JF, Jenner RG, Lord GM. CD90 is not constitutively expressed in functional innate lymphoid cells. Front Immunol 2023; 14:1113735. [PMID: 37114052 PMCID: PMC10126679 DOI: 10.3389/fimmu.2023.1113735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/28/2023] [Indexed: 04/29/2023] Open
Abstract
Huge progress has been made in understanding the biology of innate lymphoid cells (ILC) by adopting several well-known concepts in T cell biology. As such, flow cytometry gating strategies and markers, such as CD90, have been applied to indentify ILC. Here, we report that most non-NK intestinal ILC have a high expression of CD90 as expected, but surprisingly a sub-population of cells exhibit low or even no expression of this marker. CD90-negative and CD90-low CD127+ ILC were present amongst all ILC subsets in the gut. The frequency of CD90-negative and CD90-low CD127+ ILC was dependent on stimulatory cues in vitro and enhanced by dysbiosis in vivo. CD90-negative and CD90-low CD127+ ILC were a potential source of IL-13, IFNγ and IL-17A at steady state and upon dysbiosis- and dextran sulphate sodium-elicited colitis. Hence, this study reveals that, contrary to expectations, CD90 is not constitutively expressed by functional ILC in the gut.
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Affiliation(s)
- Jan-Hendrik Schroeder
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Gordon Beattie
- Cancer Research UK (CRUK) City of London Centre Single Cell Genomics Facility, University College London Cancer Institute, University College London (UCL), London, United Kingdom
- Genomics Translational Technology Platform, University College London (UCL) Cancer Institute, University College London, London, United Kingdom
| | - Jonathan W. Lo
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
- Division of Digestive Diseases, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Tomasz Zabinski
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Nick Powell
- Division of Digestive Diseases, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Joana F. Neves
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Richard G. Jenner
- University College London (UCL) Cancer Institute, University College London, London, United Kingdom
| | - Graham M. Lord
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, United Kingdom
- *Correspondence: Graham M. Lord,
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Li M, Wang Z, Jiang W, Lu Y, Zhang J. The role of group 3 innate lymphoid cell in intestinal disease. Front Immunol 2023; 14:1171826. [PMID: 37122757 PMCID: PMC10140532 DOI: 10.3389/fimmu.2023.1171826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 04/03/2023] [Indexed: 05/02/2023] Open
Abstract
Group 3 innate lymphoid cells (ILC3s), a novel subpopulation of lymphocytes enriched in the intestinal mucosa, are currently considered as key sentinels in maintaining intestinal immune homeostasis. ILC3s can secrete a series of cytokines such as IL-22 to eliminate intestinal luminal antigens, promote epithelial tissue repair and mucosal barrier integrity, and regulate intestinal immunity by integrating multiple signals from the environment and the host. However, ILC3 dysfunction may be associated with the development and progression of various diseases in the gut. Therefore, in this review, we will discuss the role of ILC3 in intestinal diseases such as enteric infectious diseases, intestinal inflammation, and tumors, with a focus on recent research advances and discoveries to explore potential therapeutic targets.
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Jowett GM, Read E, Roberts LB, Coman D, Vilà González M, Zabinski T, Niazi U, Reis R, Trieu TJ, Danovi D, Gentleman E, Vallier L, Curtis MA, Lord GM, Neves JF. Organoids capture tissue-specific innate lymphoid cell development in mice and humans. Cell Rep 2022; 40:111281. [PMID: 36044863 PMCID: PMC9638027 DOI: 10.1016/j.celrep.2022.111281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 01/06/2022] [Accepted: 08/05/2022] [Indexed: 12/21/2022] Open
Abstract
Organoid-based models of murine and human innate lymphoid cell precursor (ILCP) maturation are presented. First, murine intestinal and pulmonary organoids are harnessed to demonstrate that the epithelial niche is sufficient to drive tissue-specific maturation of all innate lymphoid cell (ILC) groups in parallel, without requiring subset-specific cytokine supplementation. Then, more complex human induced pluripotent stem cell (hiPSC)-based gut and lung organoid models are used to demonstrate that human epithelial cells recapitulate maturation of ILC from a stringent systemic human ILCP population, but only when the organoid-associated stromal cells are depleted. These systems offer versatile and reductionist models to dissect the impact of environmental and mucosal niche cues on ILC maturation. In the future, these could provide insight into how ILC activity and development might become dysregulated in chronic inflammatory diseases.
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Affiliation(s)
- Geraldine M Jowett
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK; Centre for Host Microbiome Interactions, King's College London, London SE1 9RT, UK; Centre for Craniofacial and Regenerative Biology, King's College London, London SE1 9RT, UK; Centre for Gene Therapy & Regenerative Medicine, King's College London, London SE1 9RT, UK; Wellcome Trust Cell Therapies and Regenerative Medicine Ph.D. Programme, London SE1 9RT, UK
| | - Emily Read
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK; Centre for Host Microbiome Interactions, King's College London, London SE1 9RT, UK; Centre for Gene Therapy & Regenerative Medicine, King's College London, London SE1 9RT, UK
| | - Luke B Roberts
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK
| | - Diana Coman
- Centre for Host Microbiome Interactions, King's College London, London SE1 9RT, UK
| | - Marta Vilà González
- Wellcome and MRC Cambridge Stem Cell Institute, Puddicombe Way, Cambridge CB2 0AW, UK; Department of Surgery, University of Cambridge and NIHR Cambridge Biomedical Research Centre, Hills Road, Cambridge CB2 0QQ, UK
| | - Tomasz Zabinski
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK
| | - Umar Niazi
- Guy's and St. Thomas' National Health Service Foundation Trust and King's College London National Institute for Health and Care Research Biomedical Research Centre Translational Bioinformatics Platform, Guy's Hospital, London SE1 9RT, UK
| | - Rita Reis
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK
| | - Tung-Jui Trieu
- Centre for Host Microbiome Interactions, King's College London, London SE1 9RT, UK; Centre for Craniofacial and Regenerative Biology, King's College London, London SE1 9RT, UK
| | - Davide Danovi
- Centre for Craniofacial and Regenerative Biology, King's College London, London SE1 9RT, UK; bit.bio, Babraham Research Campus, The Dorothy Hodgkin Building, Cambridge CB22 3FH, UK
| | - Eileen Gentleman
- Centre for Craniofacial and Regenerative Biology, King's College London, London SE1 9RT, UK
| | - Ludovic Vallier
- Wellcome and MRC Cambridge Stem Cell Institute, Puddicombe Way, Cambridge CB2 0AW, UK; Department of Surgery, University of Cambridge and NIHR Cambridge Biomedical Research Centre, Hills Road, Cambridge CB2 0QQ, UK
| | - Michael A Curtis
- Centre for Host Microbiome Interactions, King's College London, London SE1 9RT, UK
| | - Graham M Lord
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK; Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PL, UK
| | - Joana F Neves
- School for Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK; Centre for Host Microbiome Interactions, King's College London, London SE1 9RT, UK.
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Schroeder JH, Howard JK, Lord GM. Transcription factor-driven regulation of ILC1 and ILC3. Trends Immunol 2022; 43:564-579. [PMID: 35618586 PMCID: PMC10166716 DOI: 10.1016/j.it.2022.04.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 10/18/2022]
Abstract
Mammalian innate lymphoid cells (ILCs) have functional relevance under both homeostatic and disease settings, such as inflammatory bowel disease (IBD), particularly in the context of maintaining the integrity of mucosal surfaces. Early reports highlighted group 1 and 3 ILC regulatory transcription factors (TFs), T-box expressed in T cells (T-bet; Tbx21) and RAR-related orphan nuclear receptor γt (RORγt; Rorc), as key regulators of ILC biology. Since then, other canonical TFs have been shown to have a role in the development and function of ILC subsets. In this review, we focus on recent insights into the balance between mature ILC1 and ILC3 based on these TFs and how they interact with other key cell-intrinsic molecular pathways. We outline how this TF interplay might be explored to identify novel candidate therapeutic avenues for human diseases.
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Zheng M, Zhu J. Innate Lymphoid Cells and Intestinal Inflammatory Disorders. Int J Mol Sci 2022; 23:1856. [PMID: 35163778 PMCID: PMC8836863 DOI: 10.3390/ijms23031856] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 12/27/2022] Open
Abstract
Innate lymphoid cells (ILCs) are a population of lymphoid cells that do not express T cell or B cell antigen-specific receptors. They are largely tissue-resident and enriched at mucosal sites to play a protective role against pathogens. ILCs mimic the functions of CD4 T helper (Th) subsets. Type 1 innate lymphoid cells (ILC1s) are defined by the expression of signature cytokine IFN-γ and the master transcription factor T-bet, involving in the type 1 immune response; ILC2s are characterized by the expression of signature cytokine IL-5/IL-13 and the master transcription factor GATA3, participating in the type 2 immune response; ILC3s are RORγt-expressing cells and are capable of producing IL-22 and IL-17 to maintain intestinal homeostasis. The discovery and investigation of ILCs over the past decades extends our knowledge beyond classical adaptive and innate immunology. In this review, we will focus on the roles of ILCs in intestinal inflammation and related disorders.
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Affiliation(s)
- Mingzhu Zheng
- Molecular and Cellular Immunoregulation Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Microbiology and Immunology, Southeast University, Nanjing 210009, China
| | - Jinfang Zhu
- Molecular and Cellular Immunoregulation Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Michla M, Wilhelm C. Food for thought - ILC metabolism in the context of helminth infections. Mucosal Immunol 2022; 15:1234-1242. [PMID: 36045216 PMCID: PMC9705246 DOI: 10.1038/s41385-022-00559-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/09/2022] [Accepted: 08/09/2022] [Indexed: 02/04/2023]
Abstract
Helminths are multicellular ancient organisms residing as parasites at mucosal surfaces of their host. Through adaptation and co-evolution with their hosts, helminths have been able to develop tolerance mechanisms to limit inflammation and avoid expulsion. The study of helminth infections as an integral part of tissue immunology allowed us to understand fundamental aspects of mucosal and barrier immunology, which led to the discovery of a new group of tissue-resident immune cells, innate lymphoid cells (ILC), over a decade ago. Here, we review the intricate interplay between helminth infections and type 2 ILC (ILC2) biology, discuss the host metabolic adaptation to helminth infections and the metabolic pathways fueling ILC2 responses. We hypothesize that nutrient competition between host and helminths may have prevented chronic inflammation in the past and argue that a detailed understanding of the metabolic restraints imposed by helminth infections may offer new therapeutic avenues in the future.
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Affiliation(s)
- Marcel Michla
- grid.10388.320000 0001 2240 3300Unit for Immunopathology, Department of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, University of Bonn, 53127 Bonn, Germany
| | - Christoph Wilhelm
- grid.10388.320000 0001 2240 3300Unit for Immunopathology, Department of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, University of Bonn, 53127 Bonn, Germany
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Schroeder JH, Roberts LB, Meissl K, Lo JW, Hromadová D, Hayes K, Zabinski T, Read E, Moreira Heliodoro C, Reis R, Howard JK, Grencis RK, Neves JF, Strobl B, Lord GM. Sustained Post-Developmental T-Bet Expression Is Critical for the Maintenance of Type One Innate Lymphoid Cells In Vivo. Front Immunol 2021; 12:760198. [PMID: 34795671 PMCID: PMC8594445 DOI: 10.3389/fimmu.2021.760198] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 10/06/2021] [Indexed: 11/13/2022] Open
Abstract
Innate lymphoid cells (ILC) play a significant role in the intestinal immune response and T-bet+ CD127+ group 1 cells (ILC1) have been linked to the pathogenesis of human inflammatory bowel disease (IBD). However, the functional importance of ILC1 in the context of an intact adaptive immune response has been controversial. In this report we demonstrate that induced depletion of T-bet using a Rosa26-Cre-ERT2 model resulted in the loss of intestinal ILC1, pointing to a post-developmental requirement of T-bet expression for these cells. In contrast, neither colonic lamina propria (cLP) ILC2 nor cLP ILC3 abundance were altered upon induced deletion of T-bet. Mechanistically, we report that STAT1 or STAT4 are not required for intestinal ILC1 development and maintenance. Mice with induced deletion of T-bet and subsequent loss of ILC1 were protected from the induction of severe colitis in vivo. Hence, this study provides support for the clinical development of an IBD treatment based on ILC1 depletion via targeting T-bet or its downstream transcriptional targets.
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Affiliation(s)
- Jan-Hendrik Schroeder
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Luke B. Roberts
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Katrin Meissl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Jonathan W. Lo
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
- Division of Digestive Diseases, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Dominika Hromadová
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Kelly Hayes
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, United Kingdom
| | - Tomasz Zabinski
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Emily Read
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
- Wellcome Trust Cell Therapies and Regenerative Medicine PhD Programme, London, United Kingdom
| | | | - Rita Reis
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Jane K. Howard
- Department of Diabetes, School of Life Course Sciences, Faculty of Life Sciences and Medicine, King’s College, London, United Kingdom
| | - Richard K. Grencis
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, United Kingdom
| | - Joana F. Neves
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Birgit Strobl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Graham M. Lord
- School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
- School of Biological Sciences, Faculty of Biology, Medicine and Health, Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, United Kingdom
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Mirpuri J. The emerging role of group 3 innate lymphoid cells in the neonate: interaction with the maternal and neonatal microbiome. OXFORD OPEN IMMUNOLOGY 2021; 2:iqab009. [PMID: 34151271 PMCID: PMC8208228 DOI: 10.1093/oxfimm/iqab009] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/08/2021] [Accepted: 05/04/2021] [Indexed: 12/30/2022] Open
Abstract
Innate lymphoid cells (ILCs) are critical for host defense and are notably important in the context of the newborn when adaptive immunity is immature. There is an increasing evidence that development and function of group 3 ILCs (ILC3) can be modulated by the maternal and neonatal microbiome and is involved in neonatal disease pathogenesis. In this review, we explore the evidence that supports a critical role for ILC3 in resistance to infection and disease pathogenesis in the newborn, with a focus on microbial factors that modulate ILC3 function. We then briefly explore opportunities for research that are focused on the fetus and newborn.
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Affiliation(s)
- Julie Mirpuri
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Suite F3.302, Dallas, TX 75390-9063, USA
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