1
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Tao H, Geng J, Bai L, Su D, Zhao Y, Xu G, Zhang M. Regulation of innate lymphoid cell by microbial metabolites. J Mol Med (Berl) 2025; 103:491-509. [PMID: 40128460 DOI: 10.1007/s00109-025-02530-3] [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: 11/01/2024] [Revised: 02/27/2025] [Accepted: 03/10/2025] [Indexed: 03/26/2025]
Abstract
Innate lymphoid cells (ILCs) are a unique category of immune cell that lack antigen-specific receptors yet possess the capacity to detect signals from the surrounding tissue. The majority of ILCs reside in the lymphoid and mucosal tissues, maintaining close associations with the microbiota. Beyond the contributions of accessory cells and adaptive immune cells, accumulating studies demonstrate that microbial metabolites serve a crucial role in mediating the relationship between ILCs and the microbiota. In this review, we highlight and summarize the roles of microbial metabolites from different sources in modulating ILC subsets, proposing these metabolites as potential therapeutic mechanisms in ILC-mediated diseases.
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Affiliation(s)
- Hongji Tao
- Department of Gastroenterology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China
| | - Jingjing Geng
- Division of Gastroenterology and Hepatology; Shanghai Institute of Digestive Disease; NHC Key Laboratory of Digestive Diseases; State Key Laboratory for Oncogenes and Related Genes; Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 145 Middle Shandong Road, Shanghai, 200001, China
| | - Long Bai
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Dan Su
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, USA
| | - Yu Zhao
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Guifang Xu
- Department of Gastroenterology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, 210008, China.
| | - Mingming Zhang
- Division of Gastroenterology and Hepatology; Shanghai Institute of Digestive Disease; NHC Key Laboratory of Digestive Diseases; State Key Laboratory for Oncogenes and Related Genes; Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 145 Middle Shandong Road, Shanghai, 200001, China.
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2
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Nouari W, Aribi M. Innate lymphoid cells, immune functional dynamics, epithelial parallels, and therapeutic frontiers in infections. Int Rev Immunol 2025:1-28. [PMID: 40242974 DOI: 10.1080/08830185.2025.2490233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 02/19/2025] [Accepted: 04/02/2025] [Indexed: 04/18/2025]
Abstract
Innate lymphoid cells (ILCs) have emerged as pivotal players in the field of immunology, expanding our understanding of innate immunity beyond conventional paradigms. This comprehensive review delves into the multifaceted world of ILCs, beginning with their serendipitous discovery and traversing their ontogeny and heterogeneity. We explore the distinct subsets of ILCs unraveling their intriguing plasticity, which adds a layer of complexity to their functional repertoire. As we journey through the functional activities of ILCs, we address their role in immune responses against various infections, categorizing their interactions with helminthic parasites, bacterial pathogens, fungal infections, and viral invaders. Notably, this review offers a detailed examination of ILCs in the context of specific infections, such as Mycobacterium tuberculosis, Citrobacter rodentium, Clostridium difficile, Salmonella typhimurium, Helicobacter pylori, Listeria monocytogenes, Staphylococcus aureus, Pseudomonas aeruginosa, Influenza virus, Cytomegalovirus, Herpes simplex virus, and severe acute respiratory syndrome coronavirus 2. This selection aimed for a comprehensive exploration of ILCs in various infectious contexts, opting for microorganisms based on extensive research findings rather than considerations of virulence or emergence. Furthermore, we raise intriguing questions about the potential immune functional resemblances between ILCs and epithelial cells, shedding light on their interconnectedness within the mucosal microenvironment. The review culminates in a critical assessment of the therapeutic prospects of targeting ILCs during infection, emphasizing their promise as novel immunotherapeutic targets. Nevertheless, due to their recent discovery and evolving understanding, effectively manipulating ILCs is challenging. Ensuring specificity and safety while evaluating long-term effects in clinical settings will be crucial.
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Affiliation(s)
- Wafa Nouari
- Laboratory of Applied Molecular Biology and Immunology, University of Tlemcen, Tlemcen, Algeria
| | - Mourad Aribi
- Laboratory of Applied Molecular Biology and Immunology, University of Tlemcen, Tlemcen, Algeria
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3
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Wang B, Bian Q. Regulation of 3D genome organization during T cell activation. FEBS J 2025; 292:1833-1852. [PMID: 38944686 DOI: 10.1111/febs.17211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 04/23/2024] [Accepted: 06/14/2024] [Indexed: 07/01/2024]
Abstract
Within the three-dimensional (3D) nuclear space, the genome organizes into a series of orderly structures that impose important influences on gene regulation. T lymphocytes, crucial players in adaptive immune responses, undergo intricate transcriptional remodeling upon activation, leading to differentiation into specific effector and memory T cell subsets. Recent evidence suggests that T cell activation is accompanied by dynamic changes in genome architecture at multiple levels, providing a unique biological context to explore the functional relevance and molecular mechanisms of 3D genome organization. Here, we summarize recent advances that link the reorganization of genome architecture to the remodeling of transcriptional programs and conversion of cell fates during T cell activation and differentiation. We further discuss how various chromatin architecture regulators, including CCCTC-binding factor and several transcription factors, collectively modulate the genome architecture during this process.
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Affiliation(s)
- Bao Wang
- Shanghai Institute of Precision Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, China
- Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University School of Medicine, China
| | - Qian Bian
- Shanghai Institute of Precision Medicine, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, China
- Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University School of Medicine, China
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4
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Clark PA, Gogoi M, Rodriguez-Rodriguez N, Ferreira ACF, Murphy JE, Walker JA, Crisp A, Jolin HE, Shields JD, McKenzie ANJ. Recipient tissue microenvironment determines developmental path of intestinal innate lymphoid progenitors. Nat Commun 2024; 15:7809. [PMID: 39242588 PMCID: PMC11379955 DOI: 10.1038/s41467-024-52155-2] [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: 06/12/2023] [Accepted: 08/27/2024] [Indexed: 09/09/2024] Open
Abstract
Innate lymphoid cells (ILCs) are critical in maintaining tissue homeostasis, and during infection and inflammation. Here we identify, by using combinatorial reporter mice, a rare ILC progenitor (ILCP) population, resident to the small intestinal lamina propria (siLP) in adult mice. Transfer of siLP-ILCP into recipients generates group 1 ILCs (including ILC1 and NK cells), ILC2s and ILC3s within the intestinal microenvironment, but almost exclusively group 1 ILCs in the liver, lung and spleen. Single cell gene expression analysis and high dimensional spectral cytometry analysis of the siLP-ILCPs and ILC progeny indicate that the phenotype of the group 1 ILC progeny is also influenced by the tissue microenvironment. Thus, a local pool of siLP-ILCP can contribute to pan-ILC generation in the intestinal microenvironment but has more restricted potential in other tissues, with a greater propensity than bone marrow-derived ILCPs to favour ILC1 and ILC3 production. Therefore, ILCP potential is influenced by both tissue of origin and the microenvironment during development. This may provide additional flexibility during the tuning of immune reactions.
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Affiliation(s)
- Paula A Clark
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom.
| | - Mayuri Gogoi
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
| | | | | | - Jane E Murphy
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
| | | | - Alastair Crisp
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
| | - Helen E Jolin
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
| | - Jacqueline D Shields
- Translational Medical Sciences, School of Medicine, University of Nottingham Biodiscovery Institute, Nottingham, United Kingdom
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5
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López DA, Griffin A, Aguilar LM, Deering-Rice C, Myers EJ, Warren KJ, Welner RS, Beaudin AE. Prenatal inflammation remodels lung immunity and function by programming ILC2 hyperactivation. Cell Rep 2024; 43:114365. [PMID: 38909363 DOI: 10.1016/j.celrep.2024.114365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/30/2024] [Accepted: 05/31/2024] [Indexed: 06/25/2024] Open
Abstract
Here, we examine how prenatal inflammation shapes tissue function and immunity in the lung by reprogramming tissue-resident immune cells from early development. Maternal, but not fetal, type I interferon-mediated inflammation provokes expansion and hyperactivation of group 2 innate lymphoid cells (ILC2s) seeding the developing lung. Hyperactivated ILC2s produce increased IL-5 and IL-13 and are associated with acute Th2 bias, decreased Tregs, and persistent lung eosinophilia into adulthood. ILC2 hyperactivation is recapitulated by adoptive transfer of fetal liver precursors following prenatal inflammation, indicative of developmental programming at the fetal progenitor level. Reprogrammed ILC2 hyperactivation and subsequent lung immune remodeling, including persistent eosinophilia, is concomitant with worsened histopathology and increased airway dysfunction equivalent to papain exposure, indicating increased asthma susceptibility in offspring. Our data elucidate a mechanism by which early-life inflammation results in increased asthma susceptibility in the presence of hyperactivated ILC2s that drive persistent changes to lung immunity during perinatal development.
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Affiliation(s)
- Diego A López
- Department of Pathology, University of Utah, Salt Lake City, UT, USA
| | - Aleah Griffin
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | - Lorena Moreno Aguilar
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | | | - Elizabeth J Myers
- Department of Neurology, University of Utah, Salt Lake City, UT, USA
| | - Kristi J Warren
- Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA
| | - Robert S Welner
- Department of Medicine, University of Alabama, Birmingham, AL, USA
| | - Anna E Beaudin
- Department of Pathology, University of Utah, Salt Lake City, UT, USA; Department of Internal Medicine and Program in Molecular Medicine, University of Utah, Salt Lake City, UT, USA.
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6
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Furuya H, Toda Y, Iwata A, Kanai M, Kato K, Kumagai T, Kageyama T, Tanaka S, Fujimura L, Sakamoto A, Hatano M, Suto A, Suzuki K, Nakajima H. Stage-specific GATA3 induction promotes ILC2 development after lineage commitment. Nat Commun 2024; 15:5610. [PMID: 38969652 PMCID: PMC11226602 DOI: 10.1038/s41467-024-49881-y] [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: 03/27/2023] [Accepted: 06/24/2024] [Indexed: 07/07/2024] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) are a subset of innate lymphocytes that produce type 2 cytokines, including IL-4, IL-5, and IL-13. GATA3 is a critical transcription factor for ILC2 development at multiple stages. However, when and how GATA3 is induced to the levels required for ILC2 development remains unclear. Herein, we identify ILC2-specific GATA3-related tandem super-enhancers (G3SE) that induce high GATA3 in ILC2-committed precursors. G3SE-deficient mice exhibit ILC2 deficiency in the bone marrow, lung, liver, and small intestine with minimal impact on other ILC lineages or Th2 cells. Single-cell RNA-sequencing and subsequent flow cytometry analysis show that GATA3 induction mechanism, which is required for entering the ILC2 stage, is lost in IL-17RB+PD-1- late ILC2-committed precursor stage in G3SE-deficient mice. Cnot6l, part of the CCR4-NOT deadenylase complex, is a possible GATA3 target during ILC2 development. Our findings implicate a stage-specific regulatory mechanism for GATA3 expression during ILC2 development.
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Affiliation(s)
- Hiroki Furuya
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yosuke Toda
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Arifumi Iwata
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan.
| | - Mizuki Kanai
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Kodai Kato
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Takashi Kumagai
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Takahiro Kageyama
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Shigeru Tanaka
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Lisa Fujimura
- Biomedical Research Center, Chiba University, Chiba, Japan
| | - Akemi Sakamoto
- Biomedical Research Center, Chiba University, Chiba, Japan
- Department of Biomedical Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masahiko Hatano
- Biomedical Research Center, Chiba University, Chiba, Japan
- Department of Biomedical Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Akira Suto
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Kotaro Suzuki
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hiroshi Nakajima
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan.
- Chiba University Synergy Institute for Futuristic Mucosal Vaccine Research and Development (cSIMVa), Chiba, Japan.
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7
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Ding Y, Lavaert M, Grassmann S, Band VI, Chi L, Das A, Das S, Harly C, Shissler SC, Malin J, Peng D, Zhao Y, Zhu J, Belkaid Y, Sun JC, Bhandoola A. Distinct developmental pathways generate functionally distinct populations of natural killer cells. Nat Immunol 2024; 25:1183-1192. [PMID: 38872000 DOI: 10.1038/s41590-024-01865-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 05/08/2024] [Indexed: 06/15/2024]
Abstract
Natural killer (NK) cells function by eliminating virus-infected or tumor cells. Here we identified an NK-lineage-biased progenitor population, referred to as early NK progenitors (ENKPs), which developed into NK cells independently of common precursors for innate lymphoid cells (ILCPs). ENKP-derived NK cells (ENKP_NK cells) and ILCP-derived NK cells (ILCP_NK cells) were transcriptionally different. We devised combinations of surface markers that identified highly enriched ENKP_NK and ILCP_NK cell populations in wild-type mice. Furthermore, Ly49H+ NK cells that responded to mouse cytomegalovirus infection primarily developed from ENKPs, whereas ILCP_NK cells were better IFNγ producers after infection with Salmonella and herpes simplex virus. Human CD56dim and CD56bright NK cells were transcriptionally similar to ENKP_NK cells and ILCP_NK cells, respectively. Our findings establish the existence of two pathways of NK cell development that generate functionally distinct NK cell subsets in mice and further suggest these pathways may be conserved in humans.
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Affiliation(s)
- Yi Ding
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Marieke Lavaert
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Simon Grassmann
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Victor I Band
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Liang Chi
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Arundhoti Das
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Sumit Das
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Christelle Harly
- Nantes Université, Inserm UMR 1307, CNRS UMR 6075, Université d'Angers, Nantes, France
- LabEx IGO "Immunotherapy, Graft Oncology", Nantes, France
| | - Susannah C Shissler
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Justin Malin
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Dingkang Peng
- Molecular and Cellular Immunoregulation Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Yongge Zhao
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - 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, USA
| | - Yasmine Belkaid
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
- NIAID Microbiome Program, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Joseph C Sun
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Avinash Bhandoola
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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8
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Hashemi E, McCarthy C, Rao S, Malarkannan S. Transcriptomic diversity of innate lymphoid cells in human lymph nodes compared to BM and spleen. Commun Biol 2024; 7:769. [PMID: 38918571 PMCID: PMC11199704 DOI: 10.1038/s42003-024-06450-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 06/12/2024] [Indexed: 06/27/2024] Open
Abstract
Innate lymphoid cells (ILCs) are largely tissue-resident, mostly described within the mucosal tissues. However, their presence and functions in the human draining lymph nodes (LNs) are unknown. Our study unravels the tissue-specific transcriptional profiles of 47,287 CD127+ ILCs within the human abdominal and thoracic LNs. LNs contain a higher frequency of CD127+ ILCs than in BM or spleen. We define independent stages of ILC development, including EILP and pILC in the BM. These progenitors exist in LNs in addition to naïve ILCs (nILCs) that can differentiate into mature ILCs. We define three ILC1 and four ILC3 sub-clusters in the LNs. ILC1 and ILC3 subsets have clusters with high heat shock protein-encoding genes. We identify previously unrecognized regulons, including the BACH2 family for ILC1 and the ATF family for ILC3. Our study is the comprehensive characterization of ILCs in LNs, providing an in-depth understanding of ILC-mediated immunity in humans.
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Affiliation(s)
- Elaheh Hashemi
- Blood Research Institute, Versiti, Milwaukee, WI, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin (MCW), Milwaukee, WI, USA
| | | | - Sridhar Rao
- Blood Research Institute, Versiti, Milwaukee, WI, USA
- Division of Hematology, Oncology, and Bone Marrow Transplantation, Department of Pediatrics, MCW, Milwaukee, WI, USA
- Department of Cell Biology, Neurobiology, and Anatomy, MCW, Milwaukee, WI, USA
| | - Subramaniam Malarkannan
- Blood Research Institute, Versiti, Milwaukee, WI, USA.
- Department of Microbiology and Immunology, Medical College of Wisconsin (MCW), Milwaukee, WI, USA.
- Division of Hematology, Oncology, and Bone Marrow Transplantation, Department of Pediatrics, MCW, Milwaukee, WI, USA.
- Division of Hematology and Oncology, Department of Medicine, MCW, Milwaukee, WI, USA.
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9
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Das A, Martinez-Ruiz GU, Bouladoux N, Stacy A, Moraly J, Vega-Sendino M, Zhao Y, Lavaert M, Ding Y, Morales-Sanchez A, Harly C, Seedhom MO, Chari R, Awasthi P, Ikeuchi T, Wang Y, Zhu J, Moutsopoulos NM, Chen W, Yewdell JW, Shapiro VS, Ruiz S, Taylor N, Belkaid Y, Bhandoola A. Transcription factor Tox2 is required for metabolic adaptation and tissue residency of ILC3 in the gut. Immunity 2024; 57:1019-1036.e9. [PMID: 38677292 PMCID: PMC11096055 DOI: 10.1016/j.immuni.2024.04.001] [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: 12/06/2023] [Revised: 02/13/2024] [Accepted: 04/03/2024] [Indexed: 04/29/2024]
Abstract
Group 3 innate lymphoid cells (ILC3) are the major subset of gut-resident ILC with essential roles in infections and tissue repair, but how they adapt to the gut environment to maintain tissue residency is unclear. We report that Tox2 is critical for gut ILC3 maintenance and function. Gut ILC3 highly expressed Tox2, and depletion of Tox2 markedly decreased ILC3 in gut but not at central sites, resulting in defective control of Citrobacter rodentium infection. Single-cell transcriptional profiling revealed decreased expression of Hexokinase-2 in Tox2-deficient gut ILC3. Consistent with the requirement for hexokinases in glycolysis, Tox2-/- ILC3 displayed decreased ability to utilize glycolysis for protein translation. Ectopic expression of Hexokinase-2 rescued Tox2-/- gut ILC3 defects. Hypoxia and interleukin (IL)-17A each induced Tox2 expression in ILC3, suggesting a mechanism by which ILC3 adjusts to fluctuating environments by programming glycolytic metabolism. Our results reveal the requirement for Tox2 to support the metabolic adaptation of ILC3 within the gastrointestinal tract.
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Affiliation(s)
- Arundhoti Das
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Gustavo Ulises Martinez-Ruiz
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA; Faculty of Medicine, Research Division, National Autonomous University of Mexico, Mexico City, Mexico; Children's Hospital of Mexico Federico Gomez, Mexico City, Mexico
| | - Nicolas Bouladoux
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, NIAID, NIH, Bethesda, MD, USA
| | - Apollo Stacy
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, NIAID, NIH, Bethesda, MD, USA; Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Josquin Moraly
- Pediatric Oncology Branch, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Maria Vega-Sendino
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Yongge Zhao
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Marieke Lavaert
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Yi Ding
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Abigail Morales-Sanchez
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA; Children's Hospital of Mexico Federico Gomez, Mexico City, Mexico
| | - Christelle Harly
- Université de Nantes, CNRS, Inserm, CRCINA, Nantes, France; LabEx IGO "Immunotherapy, Graft, Oncology," Nantes, France
| | - Mina O Seedhom
- Laboratory of Viral Diseases, NIAID, NIH, Bethesda, MD, USA
| | - Raj Chari
- Genome Modification Core, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Parirokh Awasthi
- Mouse Modeling Core, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Tomoko Ikeuchi
- Oral Immunity and Infection Section, NIDCR, NIH, Bethesda, MD, USA
| | - Yueqiang Wang
- Shenzhen Typhoon HealthCare, Shenzhen, Guangdong, China
| | - Jinfang Zhu
- Laboratory of Immune System Biology, NIAID, NIH, Bethesda, MD, USA
| | | | - WanJun Chen
- Mucosal Immunology Section, NIDCR, NIH, Bethesda, MD, USA
| | | | | | - Sergio Ruiz
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA
| | - Naomi Taylor
- Pediatric Oncology Branch, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Yasmine Belkaid
- Metaorganism Immunity Section, Laboratory of Host Immunity and Microbiome, NIAID, NIH, Bethesda, MD, USA
| | - Avinash Bhandoola
- Laboratory of Genome Integrity, Center for Cancer Research, NCI, NIH, Bethesda, MD, USA.
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10
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Paucar Iza YA, Brown CC. Early life imprinting of intestinal immune tolerance and tissue homeostasis. Immunol Rev 2024; 323:303-315. [PMID: 38501766 PMCID: PMC11102293 DOI: 10.1111/imr.13321] [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: 02/16/2024] [Accepted: 03/02/2024] [Indexed: 03/20/2024]
Abstract
Besides its canonical role in protecting the host from pathogens, the immune system plays an arguably equally important role in maintaining tissue homeostasis. Within barrier tissues that interface with the external microenvironment, induction of immune tolerance to innocuous antigens, such as commensal, dietary, and environmental antigens, is key to establishing immune homeostasis. The early postnatal period represents a critical window of opportunity in which parallel development of the tissue, immune cells, and microbiota allows for reciprocal regulation that shapes the long-term immunological tone of the tissue and subsequent risk of immune-mediated diseases. During early infancy, the immune system appears to sacrifice pro-inflammatory functions, prioritizing the establishment of tissue tolerance. In this review, we discuss mechanisms underlying early life windows for intestinal tolerance with a focus on newly identified RORγt+ antigen-presenting cells-Thetis cells-and highlight the role of the intestinal microenvironment in shaping intestinal immune system development and tolerance.
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Affiliation(s)
- Yoselin A. Paucar Iza
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, New York, USA
- Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Chrysothemis C. Brown
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, New York, USA
- Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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11
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Sudan R, Gilfillan S, Colonna M. Group 1 ILCs: Heterogeneity, plasticity, and transcriptional regulation. Immunol Rev 2024; 323:107-117. [PMID: 38563448 PMCID: PMC11102297 DOI: 10.1111/imr.13327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Group 1 innate lymphoid cells (ILCs), comprising ILC1s and natural killer cells (NK cells), belong to a large family of developmentally related innate lymphoid cells that lack rearranged antigen-specific receptors. NK cells and ILC1s both require the transcription factor T-bet for lineage commitment but additionally rely on Eomes and Hobit, respectively, for their development and effector maturation programs. Both ILC1s and NK cells are essential for rapid responses against infections and mediate cancer immunity through production of effector cytokines and cytotoxicity mediators. ILC1s are enriched in tissues and hence generally considered tissue resident cells whereas NK cells are often considered circulatory. Despite being deemed different cell types, ILC1s and NK cells share many common features both phenotypically and functionally. Recent studies employing single cell RNA sequencing (scRNA-seq) technology have exposed previously unappreciated heterogeneity in group 1 ILCs and further broaden our understanding of these cells. Findings from these studies imply that ILC1s in different tissues and organs share a common signature but exhibit some unique characteristics, possibly stemming from tissue imprinting. Also, data from recent fate mapping studies employing Hobit, RORγt, and polychromic reporter mice have greatly advanced our understanding of the developmental and effector maturation programs of these cells. In this review, we aim to outline the fundamental traits of mouse group 1 ILCs and explore recent discoveries related to their developmental programs, phenotypic heterogeneity, plasticity, and transcriptional regulation.
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Affiliation(s)
- Raki Sudan
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA
| | - Susan Gilfillan
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA
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12
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Serafini N, Di Santo JP. Group 3 innate lymphoid cells: A trained Gutkeeper. Immunol Rev 2024; 323:126-137. [PMID: 38491842 DOI: 10.1111/imr.13322] [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] [Indexed: 03/18/2024]
Abstract
Group 3 innate lymphoid cells (ILC3s) are tissue-resident immune lymphocytes that critically regulate intestinal homeostasis, organogenesis, and immunity. ILC3s possess the capacity to "sense" the inflammatory environment within tissues, especially in the context of pathogen challenges that imprints durable non-antigen-specific changes in ILC3 function. As such, ILC3s become a new actor in the emerging field of trained innate immunity. Here, we summarize recent discoveries regarding ILC3 responses to bacterial challenges and the role these encounters play in triggering trained innate immunity. We further discuss how signaling events throughout ILC3 ontogeny potentially control the development and function of trained ILC3s. Finally, we highlight the open questions surrounding ILC3 "training" the answers to which may reveal new insights into innate immunity. Understanding the fundamental concepts behind trained innate immunity could potentially lead to the development of new strategies for improving immunity-based modulation therapies for inflammation, infectious diseases, and cancer.
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Affiliation(s)
- Nicolas Serafini
- Innate Immunity Unit, Institut Pasteur, Université Paris Cité, Inserm U1223, Paris, France
| | - James P Di Santo
- Innate Immunity Unit, Institut Pasteur, Université Paris Cité, Inserm U1223, Paris, France
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13
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Martinez-Gonzalez I, Takei F. New insights into ILC2 memory. Immunol Rev 2024; 323:118-125. [PMID: 38506432 DOI: 10.1111/imr.13323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Group 2 Innate Lymphoid Cells (ILC2s) are innate lymphocytes involved in type 2 immunity. ILC2s are abundant at the barrier tissues and upon allergen exposure, respond to epithelial-derived alarmins by producing type 2 cytokines (e.g., IL-5 and IL-13). Upon activation, some of these activated ILC2s acquire immunological memory and can mount enhanced responses upon further allergen encounters. Here, we review recent findings of the cellular and molecular mechanisms underlying immune memory in ILC2s both in mice and humans and discuss the implications of memory ILC2s in the context of allergic diseases.
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Affiliation(s)
| | - Fumio Takei
- Terry Fox Laboratory, British Columbia Cancer Research Institute, Vancouver, British Columbia, Canada
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14
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Hassouneh Z, Huang G, Zhang N, Rao M, Mukherjee N. Commentary: On the Emerging Role of Innate Lymphoid Cells in Bladder Cancer. JOURNAL OF CANCER IMMUNOLOGY 2024; 6:125-134. [PMID: 39574565 PMCID: PMC11580033 DOI: 10.33696/cancerimmunol.6.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2024]
Affiliation(s)
- Zaineb Hassouneh
- Department of Urology, University of Texas Health San Antonio (UTHSA), USA
- Department of Microbiology, Immunology & Molecular Genetics, UTHSA, USA
| | - Gang Huang
- Department of Cell Systems and Anatomy, UTHSA, USA
| | - Nu Zhang
- Department of Microbiology, Immunology & Molecular Genetics, UTHSA, USA
| | - Manjeet Rao
- Department of Cell Systems and Anatomy, UTHSA, USA
- Greehey Children’s Cancer Research Institute, UTHSA, USA
| | - Neelam Mukherjee
- Department of Urology, University of Texas Health San Antonio (UTHSA), USA
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15
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Wang J, Gao M, Cheng M, Luo J, Lu M, Xing X, Sun Y, Lu Y, Li X, Shi C, Wang J, Wang N, Yang W, Jiang Y, Huang H, Yang G, Zeng Y, Wang C, Cao X. Single-Cell Transcriptional Analysis of Lamina Propria Lymphocytes in the Jejunum Reveals Innate Lymphoid Cell-like Cells in Pigs. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:130-142. [PMID: 37975680 DOI: 10.4049/jimmunol.2300463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023]
Abstract
Pigs are the most suitable model to study various therapeutic strategies and drugs for human beings, although knowledge about cell type-specific transcriptomes and heterogeneity is poorly available. Through single-cell RNA sequencing and flow cytometry analysis of the types in the jejunum of pigs, we found that innate lymphoid cells (ILCs) existed in the lamina propria lymphocytes (LPLs) of the jejunum. Then, through flow sorting of live/dead-lineage (Lin)-CD45+ cells and single-cell RNA sequencing, we found that ILCs in the porcine jejunum were mainly ILC3s, with a small number of NK cells, ILC1s, and ILC2s. ILCs coexpressed IL-7Rα, ID2, and other genes and differentially expressed RORC, GATA3, and other genes but did not express the CD3 gene. ILC3s can be divided into four subgroups, and genes such as CXCL8, CXCL2, IL-22, IL-17, and NCR2 are differentially expressed. To further detect and identify ILC3s, we verified the classification of ILCs in the porcine jejunum subgroup and the expression of related hallmark genes at the protein level by flow cytometry. For systematically characterizing ILCs in the porcine intestines, we combined our pig ILC dataset with publicly available human and mice ILC data and identified that the human and pig ILCs shared more common features than did those mouse ILCs in gene signatures and cell states. Our results showed in detail for the first time (to our knowledge) the gene expression of porcine jejunal ILCs, the subtype classification of ILCs, and the markers of various ILCs, which provide a basis for an in-depth exploration of porcine intestinal mucosal immunity.
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Affiliation(s)
- Junhong Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Ming Gao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Mingyang Cheng
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Jiawei Luo
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Mei Lu
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Xinyuan Xing
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Yu Sun
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Yiyuan Lu
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Xiaoxu Li
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Chunwei Shi
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Jianzhong Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Nan Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Wentao Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Yanlong Jiang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Haibin Huang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Guilian Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Yan Zeng
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Chunfeng Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Xin Cao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China; Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, China; Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, China; and Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, China
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16
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López DA, Griffin A, Aguilar LM, Rice CD, Myers EJ, Warren KJ, Welner R, Beaudin AE. Prenatal inflammation reprograms hyperactive ILC2s that promote allergic lung inflammation and airway dysfunction. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.20.567899. [PMID: 38045298 PMCID: PMC10690173 DOI: 10.1101/2023.11.20.567899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Allergic asthma is a chronic respiratory disease that initiates in early life, but causal mechanisms are poorly understood. Here we examined how prenatal inflammation shapes allergic asthma susceptibility by reprogramming lung immunity from early development. Induction of Type I interferon-mediated inflammation during development provoked expansion and hyperactivation of group 2 innate lymphoid cells (ILC2s) seeding the developing lung. Hyperactivated ILC2s produced increased IL-5 and IL-13, and were associated with acute Th2 bias, eosinophilia, and decreased Tregs in the lung. The hyperactive ILC2 phenotype was recapitulated by adoptive transfer of a fetal liver precursor following exposure to prenatal inflammation, indicative of developmental programming. Programming of ILC2 function and subsequent lung immune remodeling by prenatal inflammation led to airway dysfunction at baseline and in response to papain, indicating increased asthma susceptibility. Our data provide a link by which developmental programming of progenitors by early-life inflammation drives lung immune remodeling and asthma susceptibility through hyperactivation of lung-resident ILC2s. One Sentence Summary Prenatal inflammation programs asthma susceptibility by inducing the production of hyperactivated ILC2s in the developing lung.
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17
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Shen X, Gao X, Luo Y, Xu Q, Fan Y, Hong S, Huang Z, Liu X, Wang Q, Chen Z, Wang D, Lu L, Wu C, Liang H, Wang L. Cxxc finger protein 1 maintains homeostasis and function of intestinal group 3 innate lymphoid cells with aging. NATURE AGING 2023; 3:965-981. [PMID: 37429951 DOI: 10.1038/s43587-023-00453-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 06/09/2023] [Indexed: 07/12/2023]
Abstract
Aging is accompanied by homeostatic and functional dysregulation of multiple immune cell subsets. Group 3 innate lymphoid cells (ILC3s) constitute a heterogeneous cell population that plays pivotal roles in intestinal immunity. In this study, we found that ILC3s in aged mice exhibited dysregulated homeostasis and function, leading to bacterial and fungal infection susceptibility. Moreover, our data revealed that the enrichment of the H3K4me3 modification in effector genes of aged gut CCR6+ ILC3s was specifically decreased compared to young mice counterparts. Disruption of Cxxc finger protein 1 (Cxxc1) activity, a key subunit of H3K4 methyltransferase, in ILC3s led to similar aging-related phenotypes. An integrated analysis revealed Kruppel-like factor 4 (Klf4) as a potential Cxxc1 target. Klf4 overexpression partially restored the differentiation and functional defects seen in both aged and Cxxc1-deficient intestinal CCR6+ ILC3s. Therefore, these data suggest that targeting intestinal ILC3s may provide strategies to protect against age-related infections.
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Affiliation(s)
- Xin Shen
- Institute of Immunology and Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Co-Facility Center, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | - Xianzhi Gao
- Institute of Immunology and Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang University School of Medicine, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Hangzhou, China
- Edinburgh Medical School: Biomedical Sciences, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, UK
| | - Yikai Luo
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Program of Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX, USA
| | - Qianying Xu
- Zhejiang University School of Medicine, Hangzhou, China
| | - Ying Fan
- Laboratory Animal Center, Zhejiang University, Hangzhou, China
| | - Shenghui Hong
- Laboratory Animal Center, Zhejiang University, Hangzhou, China
| | | | - Xiaoqian Liu
- Institute of Immunology and Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Zhejiang University School of Medicine, Hangzhou, China
| | - Qianqian Wang
- Laboratory Animal Center, Zhejiang University, Hangzhou, China
| | - Zuojia Chen
- Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Di Wang
- Zhejiang University School of Medicine, Hangzhou, China
| | - Linrong Lu
- Zhejiang University School of Medicine, Hangzhou, China
| | - Chuan Wu
- Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
| | - Han Liang
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- Program of Quantitative and Computational Biosciences, Baylor College of Medicine, Houston, TX, USA.
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Lie Wang
- Institute of Immunology and Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
- Zhejiang University School of Medicine, Hangzhou, China.
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China.
- Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Hangzhou, China.
- Laboratory Animal Center, Zhejiang University, Hangzhou, China.
- Future Health Laboratory, Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, China.
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18
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Verma M, McKay J, Verma D. Role of epigenetics in innate lymphoid cells. Epigenomics 2023; 15:615-618. [PMID: 37435673 DOI: 10.2217/epi-2023-0221] [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] [Indexed: 07/13/2023] Open
Abstract
Epigenetics plays a crucial role in gene regulation and cell function without changing the DNA sequence. The process of differentiation in eukaryotes during cellular morphogenesis is a paradigm of epigenetic change; stem cells develop into pluripotent cell lines in the embryo, eventually becoming terminally developed cells. Recently, epigenetic changes were shown to play an important role in immune cell development, activation and differentiation, which impacts chromatin remodeling, DNA methylation, post-translational histone modifications and small or lncRNA engagement. Innate lymphoid cells (ILCs) are newly identified immune cells that lack antigen receptors. ILCs differentiate from hematopoietic stem cells via multipotent progenitor stages. In this editorial, the authors discuss the epigenetic regulation of ILC differentiation and function.
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Affiliation(s)
- Mukesh Verma
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA
| | - Jerome McKay
- Department of Biomedical Informatics, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Divya Verma
- Department of Medicine, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA
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19
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Lopes N, Vivier E, Narni-Mancinelli E. Natural killer cells and type 1 innate lymphoid cells in cancer. Semin Immunol 2023; 66:101709. [PMID: 36621291 DOI: 10.1016/j.smim.2022.101709] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 12/17/2022] [Accepted: 12/23/2022] [Indexed: 01/09/2023]
Abstract
Innate lymphoid cells (ILCs) are a group of innate lymphocytes that do not express RAG-dependent rearranged antigen-specific cell surface receptors. ILCs are classified into five groups according to their developmental trajectory and cytokine production profile. They encompass NK cells, which are cytotoxic, helper-like ILCs 1-3, which functionally mirror CD4+ T helper (Th) type 1, Th2 and Th17 cells respectively, and lymphoid tissue inducer (LTi) cells. NK cell development depends on Eomes (eomesodermin), whereas the ILC1 program is regulated principally by the transcription factor T-bet (T-box transcription factor Tbx21), that of ILC2 is regulated by GATA3 (GATA-binding protein 3) and that of ILC3 is regulated by RORγt (RAR-related orphan receptor γ). NK cells were discovered close to fifty years ago, but ILC1s were first described only about fifteen years ago. Within the ILC family, NK and ILC1s share many similarities, as witnessed by their cell surface phenotype which largely overlap. NK cells and ILC1s have been reported to respond to tissue inflammation and intracellular pathogens. Several studies have reported an antitumorigenic role for NK cells in both humans and mice, but data for ILC1s are both scarce and contradictory. In this review, we will first describe the different NK cell and ILC1 subsets, their effector functions and development. We will then discuss their role in cancer and the effects of the tumor microenvironment on their metabolism.
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Affiliation(s)
- Noella Lopes
- Aix Marseille Université, CNRS, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Eric Vivier
- Aix Marseille Université, CNRS, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France; Innate Pharma Research Laboratories, Innate Pharma, Marseille, France; APHM, Hôpital de la Timone, Marseille-Immunopôle, Marseille, France
| | - Emilie Narni-Mancinelli
- Aix Marseille Université, CNRS, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France.
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20
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Taggenbrock RLRE, van Gisbergen KPJM. ILC1: Development, maturation, and transcriptional regulation. Eur J Immunol 2023; 53:e2149435. [PMID: 36408791 PMCID: PMC10099236 DOI: 10.1002/eji.202149435] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/26/2022] [Accepted: 11/10/2022] [Indexed: 11/22/2022]
Abstract
Type 1 Innate Lymphoid cells (ILC1s) are tissue-resident cells that partake in the regulation of inflammation and homeostasis. A major feature of ILC1s is their ability to rapidly respond after infections. The effector repertoire of ILC1s includes the pro-inflammatory cytokines IFN-γ and TNF-α and cytotoxic mediators such as granzymes, which enable ILC1s to establish immune responses and to directly kill target cells. Recent advances in the characterization of ILC1s have considerably furthered our understanding of ILC1 development and maintenance in tissues. In particular, it has become clear how ILC1s operate independently from conventional natural killer cells, with which they share many characteristics. In this review, we discuss recent developments with regards to the differentiation, polarization, and effector maturation of ILC1s. These processes may underlie the observed heterogeneity in ILC1 populations within and between different tissues. Next, we highlight transcriptional programs that control each of the separate steps in the differentiation of ILC1s. These transcriptional programs are shared with other tissue-resident type-1 lymphocytes, such as tissue-resident memory T cells (TRM ) and invariant natural killer T cells (iNKT), highlighting that ILC1s utilize networks of transcriptional regulation that are conserved between lymphocyte lineages to respond effectively to tissue-invading pathogens.
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Affiliation(s)
- Renske L R E Taggenbrock
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Klaas P J M van Gisbergen
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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21
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Roles of natural killer cells in immunity to cancer, and applications to immunotherapy. Nat Rev Immunol 2023; 23:90-105. [PMID: 35637393 DOI: 10.1038/s41577-022-00732-1] [Citation(s) in RCA: 256] [Impact Index Per Article: 128.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2022] [Indexed: 02/04/2023]
Abstract
Great strides have been made in recent years towards understanding the roles of natural killer (NK) cells in immunity to tumours and viruses. NK cells are cytotoxic innate lymphoid cells that produce inflammatory cytokines and chemokines. By lysing transformed or infected cells, they limit tumour growth and viral infections. Whereas T cells recognize peptides presented by MHC molecules, NK cells display receptors that recognize stress-induced autologous proteins on cancer cells. At the same time, their functional activity is inhibited by MHC molecules displayed on such cells. The enormous potential of NK cells for immunotherapy for cancer is illustrated by their broad recognition of stressed cells regardless of neoantigen presentation, and enhanced activity against tumours that have lost expression of MHC class I owing to acquired resistance mechanisms. As a result, many efforts are under way to mobilize endogenous NK cells with therapeutics, or to provide populations of ex vivo-expanded NK cells as a cellular therapy, in some cases by equipping the NK cells with chimeric antigen receptors. Here we consider the key features that underlie why NK cells are emerging as important new additions to the cancer therapeutic arsenal.
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22
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Shin B, Rothenberg EV. Multi-modular structure of the gene regulatory network for specification and commitment of murine T cells. Front Immunol 2023; 14:1108368. [PMID: 36817475 PMCID: PMC9928580 DOI: 10.3389/fimmu.2023.1108368] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 01/11/2023] [Indexed: 02/04/2023] Open
Abstract
T cells develop from multipotent progenitors by a gradual process dependent on intrathymic Notch signaling and coupled with extensive proliferation. The stages leading them to T-cell lineage commitment are well characterized by single-cell and bulk RNA analyses of sorted populations and by direct measurements of precursor-product relationships. This process depends not only on Notch signaling but also on multiple transcription factors, some associated with stemness and multipotency, some with alternative lineages, and others associated with T-cell fate. These factors interact in opposing or semi-independent T cell gene regulatory network (GRN) subcircuits that are increasingly well defined. A newly comprehensive picture of this network has emerged. Importantly, because key factors in the GRN can bind to markedly different genomic sites at one stage than they do at other stages, the genes they significantly regulate are also stage-specific. Global transcriptome analyses of perturbations have revealed an underlying modular structure to the T-cell commitment GRN, separating decisions to lose "stem-ness" from decisions to block alternative fates. Finally, the updated network sheds light on the intimate relationship between the T-cell program, which depends on the thymus, and the innate lymphoid cell (ILC) program, which does not.
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Affiliation(s)
- Boyoung Shin
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Ellen V. Rothenberg
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States
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23
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Abstract
Innate lymphoid cells (ILCs) are transcriptionally and functionally similar to T cells but lack adaptive antigen receptors. They play critical roles in early defense against pathogens. In this review, we summarize recent discoveries of ILC progenitors and discuss possible mechanisms that separate ILCs from T cells. We consider mechanisms of lineage specification in early ILC development and also examine whether differences exist between adult and fetal ILC development.
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Affiliation(s)
- Yi Ding
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institute of Health, Bethesda, MD, USA.
| | | | - Arundhoti Das
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institute of Health, Bethesda, MD, USA
| | - Avinash Bhandoola
- T Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institute of Health, Bethesda, MD, USA.
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24
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Kenney D, Harly C. Purification of Bone Marrow Precursors to T Cells and ILCs. Methods Mol Biol 2023; 2580:211-232. [PMID: 36374460 DOI: 10.1007/978-1-0716-2740-2_13] [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] [Indexed: 06/16/2023]
Abstract
T cells and innate lymphoid cells (ILCs) share expression of many key transcription factors during development and at mature stage, resulting in striking functional similarities between these lineages. Taking into account ILC contribution is thus necessary to appreciate T cell functions during immune responses. Furthermore, understanding ILC development and functions helps to understand T cells. Here we provide methods and protocols to isolate pure populations of multipotent precursors to T cells and innate lymphoid cells (ILCs) from adult mouse bone marrow, using flow cytometric sorting. These include precursors to all lymphocytes (viz., LMPPs and ALPs) and multipotent precursors to ILCs that have been recently refined (viz., specified EILPs, committed EILPs, and ILCPs).
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Affiliation(s)
- Devin Kenney
- Department of Microbiology, Boston University School of Medicine, Boston, MA, USA
- National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA, USA
| | - Christelle Harly
- Nantes Université, INSERM UMR 1307, CNRS UMR 6075, Université d'Angers, CRCI2NA, Nantes, France.
- LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.
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25
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Liu Q, Lee JH, Kang HM, Kim CH. Identification of the niche and mobilization mechanism for tissue-protective multipotential bone marrow ILC progenitors. SCIENCE ADVANCES 2022; 8:eabq1551. [PMID: 36417511 PMCID: PMC9683709 DOI: 10.1126/sciadv.abq1551] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Innate lymphoid cells (ILCs) play crucial roles in maintenance and defense of peripheral tissues but would undergo natural and inflammation-induced attrition over time. A potential solution to counteract the peripheral ILC attrition would be regulated mobilization of bone marrow (BM) ILC progenitors. The major multipotential ILC progenitors (ILCPs) are divided into two subsets in distinct niches of the BM. Sinusoid ILCPs emigrate from the BM to circulate the peripheral blood. In contrast, parenchyma ILCPs are more likely in cell cycling and less likely to emigrate BM. The mobilization of BM ILCPs is internally and externally controlled by the coordinated expression of the BM retention receptors (Itg-α4 and CXCR4) and the emigration receptors sphingosine-1-phosphate (S1P) receptors. The expression of the BM retention and emigration receptors is developmentally regulated in the steady state and by the inflammasome-derived IL-18. Upon infusion, sinusoid ILCPs can effectively restore peripheral ILC insufficiency and tissue integrity during inflammatory responses.
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Affiliation(s)
- Qingyang Liu
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Immunology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jun Hee Lee
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Hyun Min Kang
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA
| | - Chang H Kim
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Immunology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA
- Rogel Cancer Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
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26
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Ham J, Lim M, Kim D, Kim HY. Memory-like innate lymphoid cells in the pathogenesis of asthma. Front Immunol 2022; 13:1005517. [PMID: 36466877 PMCID: PMC9712946 DOI: 10.3389/fimmu.2022.1005517] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/17/2022] [Indexed: 09/13/2023] Open
Abstract
Innate lymphoid cells (ILCs) are recently discovered innate immune cells that reside and self-renew in mucosal tissues and serve as the first line of defense against various external insults. They include natural killer (NK) cells, ILC1s, ILC2s, ILC3s, and lymphoid tissue inducer cells. The development and functions of ILC1-3 reflect those of their adaptive immunity TH1, TH2, and TH17 T-cell counterparts. Asthma is a heterogeneous disease caused by repeated exposure to specific allergens or host/environmental factors (e.g., obesity) that stimulate pathogenic pulmonary immune cells, including ILCs. Memory used to be a hallmark of adaptive immune cells until recent studies of monocytes, macrophages, and NK cells showed that innate immune cells can also exhibit greater responses to re-stimulation and that these more responsive cells can be long-lived. Besides, a series of studies suggest that the tissue-resident innate lymphoid cells have memory-like phenotypes, such as increased cytokine productions or epigenetic modifications following repetitive exposure to allergens. Notably, both clinical and mouse studies of asthma show that various allergens can generate memory-like features in ILC2s. Here, we discuss the biology of ILCs, their roles in asthma pathogenesis, and the evidence supporting ILC memory. We also show evidence suggesting memory ILCs could help drive the phenotypic heterogeneity in asthma. Thus, further research on memory ILCs may be fruitful in terms of developing new therapies for asthma.
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Affiliation(s)
- Jongho Ham
- Department of Biomedical Sciences, Laboratory of Mucosal Immunology, Seoul National University College of Medicine, Seoul, South Korea
- Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
- CIRNO, Sungkyunkwan University, Suwon, South Korea
| | - MinYeong Lim
- Department of Biomedical Sciences, Laboratory of Mucosal Immunology, Seoul National University College of Medicine, Seoul, South Korea
- Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
- CIRNO, Sungkyunkwan University, Suwon, South Korea
| | - Dongmo Kim
- Department of Biomedical Sciences, Laboratory of Mucosal Immunology, Seoul National University College of Medicine, Seoul, South Korea
- Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
- CIRNO, Sungkyunkwan University, Suwon, South Korea
| | - Hye Young Kim
- Department of Biomedical Sciences, Laboratory of Mucosal Immunology, Seoul National University College of Medicine, Seoul, South Korea
- Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, South Korea
- CIRNO, Sungkyunkwan University, Suwon, South Korea
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea
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27
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Xiong J, Zhao Y, Lin Y, Chen L, Weng Q, Shi C, Liu X, Geng Y, Liu L, Wang J, Zhang M. Identification and characterization of innate lymphoid cells generated from pluripotent stem cells. Cell Rep 2022; 41:111569. [DOI: 10.1016/j.celrep.2022.111569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 08/18/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022] Open
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28
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Kogame T, Egawa G, Nomura T, Kabashima K. Waves of layered immunity over innate lymphoid cells. Front Immunol 2022; 13:957711. [PMID: 36268032 PMCID: PMC9578251 DOI: 10.3389/fimmu.2022.957711] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/13/2022] [Indexed: 11/13/2022] Open
Abstract
Innate lymphoid cells (ILCs) harbor tissue-resident properties in border zones, such as the mucosal membranes and the skin. ILCs exert a wide range of biological functions, including inflammatory response, maintenance of tissue homeostasis, and metabolism. Since its discovery, tremendous effort has been made to clarify the nature of ILCs, and scientific progress revealed that progenitor cells of ILC can produce ILC subsets that are functionally reminiscent of T-cell subsets such as Th1, Th2, and Th17. Thus, now it comes to the notion that ILC progenitors are considered an innate version of naïve T cells. Another important discovery was that ILC progenitors in the different tissues undergo different modes of differentiation pathways. Furthermore, during the embryonic phase, progenitor cells in different developmental chronologies give rise to the unique spectra of immune cells and cause a wave to replenish the immune cells in tissues. This observation leads to the concept of layered immunity, which explains the ontology of some cell populations, such as B-1a cells, γδ T cells, and tissue-resident macrophages. Thus, recent reports in ILC biology posed a possibility that the concept of layered immunity might disentangle the complexity of ILC heterogeneity. In this review, we compare ILC ontogeny in the bone marrow with those of embryonic tissues, such as the fetal liver and embryonic thymus, to disentangle ILC heterogeneity in light of layered immunity.
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29
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Kabil A, Shin SB, Hughes MR, McNagny KM. “Just one word, plastic!”: Controversies and caveats in innate lymphoid cell plasticity. Front Immunol 2022; 13:946905. [PMID: 36052086 PMCID: PMC9427196 DOI: 10.3389/fimmu.2022.946905] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Innate lymphoid cells (ILCs) are frontline immune effectors involved in the early stages of host defense and maintenance of tissue homeostasis, particularly at mucosal surfaces such as the intestine, lung, and skin. Canonical ILCs are described as tissue-resident cells that populate peripheral tissues early in life and respond appropriately based on environmental exposure and their anatomical niche and tissue microenvironment. Intriguingly, there are accumulating reports of ILC “plasticity” that note the existence of non-canonical ILCs that exhibit distinct patterns of master transcription factor expression and cytokine production profiles in response to tissue inflammation. Yet this concept of ILC-plasticity is controversial due to several confounding caveats that include, among others, the independent large-scale recruitment of new ILC subsets from distal sites and the local, in situ, differentiation of uncommitted resident precursors. Nevertheless, the ability of ILCs to acquire unique characteristics and adapt to local environmental cues is an attractive paradigm because it would enable the rapid adaptation of innate responses to a wider array of pathogens even in the absence of pre-existing ‘prototypical’ ILC responder subsets. Despite the impressive recent progress in understanding ILC biology, the true contribution of ILC plasticity to tissue homeostasis and disease and how it is regulated remains obscure. Here, we detail current methodologies used to study ILC plasticity in mice and review the mechanisms that drive and regulate functional ILC plasticity in response to polarizing signals in their microenvironment and different cytokine milieus. Finally, we discuss the physiological relevance of ILC plasticity and its implications for potential therapeutics and treatments.
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Affiliation(s)
- Ahmed Kabil
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Samuel B. Shin
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Michael R. Hughes
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Kelly M. McNagny
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
- Centre for Heart and Lung Innovation (HLI), St Paul’s Hospital, University of British Columbia, Vancouver, BC, Canada
- *Correspondence: Kelly M. McNagny,
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30
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Liu N, He J, Fan D, Gu Y, Wang J, Li H, Zhu X, Du Y, Tian Y, Liu B, Fan Z. Circular RNA circTmem241 drives group III innate lymphoid cell differentiation via initiation of Elk3 transcription. Nat Commun 2022; 13:4711. [PMID: 35953472 PMCID: PMC9372085 DOI: 10.1038/s41467-022-32322-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 07/25/2022] [Indexed: 12/12/2022] Open
Abstract
Innate lymphoid cells (ILCs) exert important roles in host defense, tissue repair and inflammatory diseases. However, how ILC lineage specification is regulated remains largely elusive. Here we identify that circular RNA circTmem241 is highly expressed in group III innate lymphoid cells (ILC3s) and their progenitor cells. CircTmem241 deficiency impairs ILC3 commitment and attenuates anti-bacterial immunity. Mechanistically, circTmem241 interacts with Nono protein to recruit histone methyltransferase Ash1l onto Elk3 promoter in ILC progenitor cells (ILCPs). Ash1l-mediated histone modifications on Elk3 promoter enhance chromatin accessibility to initiate Elk3 transcription. Of note, circTmem241-/-, Nono-/- and Ash1l-/- ILCPs display impaired ILC3 differentiation, while Elk3 overexpression rescues ILC3 commitment ability. Finally, circTmem241-/-Elk3-/- mice show lower numbers of ILC3s and are more susceptible to bacterial infection. We reveal that the circTmem241-Nono-Ash1l-Elk3 axis is required for the ILCP differentiation into ILC3P and ILC3 maturation, which is important to manipulate this axis for ILC development on treatment of infectious diseases.
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Affiliation(s)
- Nian Liu
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jiacheng He
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dongdong Fan
- Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yang Gu
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jianyi Wang
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Huimu Li
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaoxiao Zhu
- Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Ying Du
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yong Tian
- University of Chinese Academy of Sciences, Beijing, 100049, China. .,Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Benyu Liu
- Research Center of Basic Medicine, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China.
| | - Zusen Fan
- Key Laboratory of Infection and Immunity of CAS, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.
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31
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Ren G, Lai B, Harly C, Baek S, Ding Y, Zheng M, Cao Y, Cui K, Yang Y, Zhu J, Hager GL, Bhandoola A, Zhao K. Transcription factors TCF-1 and GATA3 are key factors for the epigenetic priming of early innate lymphoid progenitors toward distinct cell fates. Immunity 2022; 55:1402-1413.e4. [PMID: 35882235 PMCID: PMC9393082 DOI: 10.1016/j.immuni.2022.06.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/15/2022] [Accepted: 06/23/2022] [Indexed: 11/17/2022]
Abstract
The differentiation of innate lymphoid cells (ILCs) from hematopoietic stem cells needs to go through several multipotent progenitor stages. However, it remains unclear whether the fates of multipotent progenitors are predefined by epigenetic states. Here, we report the identification of distinct accessible chromatin regions in all lymphoid progenitors (ALPs), EILPs, and ILC precursors (ILCPs). Single-cell MNase-seq analyses revealed that EILPs contained distinct subpopulations epigenetically primed toward either dendritic cell lineages or ILC lineages. We found that TCF-1 and GATA3 co-bound to the lineage-defining sites for ILCs (LDS-Is), whereas PU.1 binding was enriched in the LDSs for alternative dendritic cells (LDS-As). TCF-1 and GATA3 were indispensable for the epigenetic priming of LDSs at the EILP stage. Our results suggest that the multipotency of progenitor cells is defined by the existence of a heterogeneous population of cells epigenetically primed for distinct downstream lineages, which are regulated by key transcription factors.
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Affiliation(s)
- Gang Ren
- Systems Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA; Northwest Agriculture and Forest University, College of Animal Science and Technology, Yangling, Shaanxi 712100, China
| | - Binbin Lai
- Systems Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA; Biomedical Engineering Department, Peking University, Beijing 100191, China; Department of Dermatology and Venereology, Peking University First Hospital, Beijing 100034, China
| | - Christelle Harly
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Songjoon Baek
- Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yi Ding
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mingzhu Zheng
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD 20892, USA; Department of Microbiology and Immunology, School of Medicine, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing, Jiangsu 210009, China
| | - Yaqiang Cao
- Systems Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Kairong Cui
- Systems Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA
| | - Yu Yang
- Biomedical Engineering Department, Peking University, Beijing 100191, China; Department of Dermatology and Venereology, Peking University First Hospital, Beijing 100034, China
| | - Jinfang Zhu
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD 20892, USA
| | - Gordon L Hager
- Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Avinash Bhandoola
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Keji Zhao
- Systems Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA.
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32
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Harly C, Robert J, Legoux F, Lantz O. γδ T, NKT, and MAIT Cells During Evolution: Redundancy or Specialized Functions? JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:217-225. [PMID: 35821101 PMCID: PMC7613099 DOI: 10.4049/jimmunol.2200105] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/06/2022] [Indexed: 01/17/2023]
Abstract
Innate-like T cells display characteristics of both innate lymphoid cells (ILCs) and mainstream αβ T cells, leading to overlapping functions of innate-like T cells with both subsets. In this review, we show that although innate-like T cells are probably present in all vertebrates, their main characteristics are much better known in amphibians and mammals. Innate-like T cells encompass both γδ and αβ T cells. In mammals, γδ TCRs likely coevolved with molecules of the butyrophilin family they interact with, whereas the semi-invariant TCRs of iNKT and mucosal-associated invariant T cells are evolutionarily locked with their restricting MH1b molecules, CD1d and MR1, respectively. The strong conservation of the Ag recognition systems of innate-like T cell subsets despite similar effector potentialities supports that each one fulfills nonredundant roles related to their Ag specificity.
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Affiliation(s)
- Christelle Harly
- Nantes Université, Institut National de la Santé et de la Recherche Médicale UMR1307, Centre National de la Recherche Scientifique UMR6075, Université d'Angers, Centre de Recherche en Cancérologie et Immunologie Intégrée Nantes Angers CRCI2NA, Nantes, France;
- LabEx Immunotherapy, Graft, Oncology, Nantes, France
| | - Jacques Robert
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY
| | - Francois Legoux
- INSERM U932, Paris Sciences et Lettres Université, Institut Curie, Paris, France
| | - Olivier Lantz
- INSERM U932, Paris Sciences et Lettres Université, Institut Curie, Paris, France;
- Laboratoire d'Immunologie Clinique, Institut Curie, Paris, France; and
- Centre d'Investigation Clinique en Biothérapie Gustave-Roussy Institut Curie (CIC-BT1428), Paris, France
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33
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Crosstalk between macrophages and innate lymphoid cells (ILCs) in diseases. Int Immunopharmacol 2022; 110:108937. [PMID: 35779490 DOI: 10.1016/j.intimp.2022.108937] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 12/15/2022]
Abstract
Innate lymphoid cells (ILCs) and macrophages are tissue-resident cells that play important roles in tissue-immune homeostasis and immune regulation. ILCs are mainly distributed on the barrier surfaces of mammals to ensure immunity or tissue homeostasis following host, microbial, or environmental stimulation. Their complex relationships with different organs enable them to respond quickly to disturbances in environmental conditions and organ homeostasis, such as during infections and tissue damage. Gradually emerging evidence suggests that ILCs also play complex and diverse roles in macrophage development, homeostasis, polarization, inflammation, and viral infection. In turn, macrophages also determine the fate of ILCs to some extent, which indicates that network crossover between these interactions is a key determinant of the immune response. More work is needed to better define the crosstalk of ILCs with macrophages in different tissues and demonstrate how it is affected during inflammation and other diseases. Here, we summarize current research on the functional interactions between ILCs and macrophages and consider the potential therapeutic utility of these interactions for the benefit of human health.
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34
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Calvi M, Di Vito C, Frigo A, Trabanelli S, Jandus C, Mavilio D. Development of Human ILCs and Impact of Unconventional Cytotoxic Subsets in the Pathophysiology of Inflammatory Diseases and Cancer. Front Immunol 2022; 13:914266. [PMID: 35720280 PMCID: PMC9204637 DOI: 10.3389/fimmu.2022.914266] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 04/28/2022] [Indexed: 11/13/2022] Open
Abstract
Innate lymphoid cells (ILCs) were firstly described by different independent laboratories in 2008 as tissue-resident innate lymphocytes mirroring the phenotype and function of T helper cells. ILCs have been subdivided into three distinct subgroups, ILC1, ILC2 and ILC3, according to their cytokine and transcriptional profiles. Subsequently, also Natural Killer (NK) cells, that are considered the innate counterpart of cytotoxic CD8 T cells, were attributed to ILC1 subfamily, while lymphoid tissue inducer (LTi) cells were attributed to ILC3 subgroup. Starting from their discovery, significant advances have been made in our understanding of ILC impact in the maintenance of tissue homeostasis, in the protection against pathogens and in tumor immune-surveillance. However, there is still much to learn about ILC ontogenesis especially in humans. In this regard, NK cell developmental intermediates which have been well studied and characterized prior to the discovery of helper ILCs, have been used to shape a model of ILC ontogenesis. Herein, we will provide an overview of the current knowledge about NK cells and helper ILC ontogenesis in humans. We will also focus on the newly disclosed circulating ILC subsets with killing properties, namely unconventional CD56dim NK cells and cytotoxic helper ILCs, by discussing their possible role in ILC ontogenesis and their contribution in both physiological and pathological conditions.
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Affiliation(s)
- Michela Calvi
- Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Milan, Italy
| | - Clara Di Vito
- Unit of Clinical and Experimental Immunology, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Alessandro Frigo
- Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Milan, Italy
| | - Sara Trabanelli
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Ludwig Institute for Cancer Research, Lausanne, Switzerland
| | - Camilla Jandus
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Ludwig Institute for Cancer Research, Lausanne, Switzerland
| | - Domenico Mavilio
- Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Milan, Italy.,Unit of Clinical and Experimental Immunology, IRCCS Humanitas Research Hospital, Milan, Italy
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Hidaka R, Miyazaki K, Miyazaki M. The E-Id Axis Instructs Adaptive Versus Innate Lineage Cell Fate Choice and Instructs Regulatory T Cell Differentiation. Front Immunol 2022; 13:890056. [PMID: 35603170 PMCID: PMC9120639 DOI: 10.3389/fimmu.2022.890056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 04/12/2022] [Indexed: 11/13/2022] Open
Abstract
Immune responses are primarily mediated by adaptive and innate immune cells. Adaptive immune cells, such as T and B cells, evoke antigen-specific responses through the recognition of specific antigens. This antigen-specific recognition relies on the V(D)J recombination of immunoglobulin (Ig) and T cell receptor (TCR) genes mediated by recombination-activating gene (Rag)1 and Rag2 (Rag1/2). In addition, T and B cells employ cell type-specific developmental pathways during their activation processes, and the regulation of these processes is strictly regulated by the transcription factor network. Among these factors, members of the basic helix-loop-helix (bHLH) transcription factor mammalian E protein family, including E12, E47, E2-2, and HEB, orchestrate multiple adaptive immune cell development, while their antagonists, Id proteins (Id1-4), function as negative regulators. It is well established that a majority of T and B cell developmental trajectories are regulated by the transcriptional balance between E and Id proteins (the E-Id axis). E2A is critically required not only for B cell but also for T cell lineage commitment, whereas Id2 and Id3 enforce the maintenance of naïve T cells and naïve regulatory T (Treg) cells. Here, we review the current knowledge of E- and Id-protein function in T cell lineage commitment and Treg cell differentiation.
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36
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Sugimura R, Wang CY. The Role of Innate Lymphoid Cells in Cancer Development and Immunotherapy. Front Cell Dev Biol 2022; 10:803563. [PMID: 35557940 PMCID: PMC9086356 DOI: 10.3389/fcell.2022.803563] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 04/11/2022] [Indexed: 11/29/2022] Open
Abstract
Innate Lymphoid Cells (ILCs) are an elusive type of innate immune cell that was only discovered recently. Their tissue residency and dependency makes them a niche group of cells that bridge the adaptive and innate immune system. The nomenclature and classification of ILCs have been challenging due to their heterogeneity. The currently agreed ILC classification splits the cells into two categories including cytotoxic and helper ILCs. The tumour microenvironment is often hostile for immune cells. Remodeling the microenvironment and regulating other immune cells—achieved by ILCs-can enhance anti-tumor effects. How ILCs regulate other immune cells in the tumor microenvironment remains to be understood. Here we review current understanding of the role of ILCs in the tumor microenvironment. ILCs recruit CD8 positive T and memory T cells in PDAC, ILCs are also able to help CD108 positive B cells migrate toward tumour locations. In NSCLC, ILC3s are seen helping resident macrophages enhancing the mucus immunity to cancer cells. We then highlight the roles of cytokines and immune checkpoint pathways in ILCs and its implication in immunotherapy.
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Trabanelli S, Ercolano G, Wyss T, Gomez-Cadena A, Falquet M, Cropp D, Imbratta C, Leblond MM, Salvestrini V, Curti A, Adotevi O, Jandus C, Verdeil G. c-Maf enforces cytokine production and promotes memory-like responses in mouse and human type 2 innate lymphoid cells. EMBO J 2022; 41:e109300. [PMID: 35467036 PMCID: PMC9194744 DOI: 10.15252/embj.2021109300] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 12/13/2022] Open
Abstract
Group‐2 innate lymphoid cells (ILC2s), which are involved in type 2 inflammatory diseases such as allergy, can exhibit immunological memory, but the basis of this ILC2 "trained immunity" has remained unclear. Here, we found that stimulation with IL‐33/IL‐25 or exposure to the allergen papain induces the expression of the transcription factor c‐Maf in mouse ILC2s. Chronic papain exposure results in high production of IL‐5 and IL‐13 cytokines and lung eosinophil recruitment, effects that are blocked by c‐Maf deletion in ILCs. Transcriptomic analysis revealed that knockdown of c‐Maf in ILC2s suppresses expression of type 2 cytokine genes, as well as of genes linked to a memory‐like phenotype. Consistently, c‐Maf was found highly expressed in human adult ILC2s but absent in cord blood and required for cytokine production in isolated human ILC2s. Furthermore, c‐Maf‐deficient mouse or human ILC2s failed to exhibit strengthened (“trained”) responses upon repeated challenge. Thus, the expression of c‐Maf is indispensable for optimal type 2 cytokine production and proper memory‐like responses in group‐2 innate lymphoid cells.
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Affiliation(s)
- Sara Trabanelli
- Departement of Oncology, UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Giuseppe Ercolano
- Departement of Oncology, UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Tania Wyss
- Departement of Oncology, UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Alejandra Gomez-Cadena
- Departement of Oncology, UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Maryline Falquet
- Departement of Oncology, UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Daniela Cropp
- Departement of Oncology, UNIL-CHUV, University of Lausanne, Lausanne, Switzerland
| | - Claire Imbratta
- Departement of Oncology, UNIL-CHUV, University of Lausanne, Lausanne, Switzerland
| | - Marine M Leblond
- Departement of Oncology, UNIL-CHUV, University of Lausanne, Lausanne, Switzerland
| | - Valentina Salvestrini
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy
| | - Antonio Curti
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy
| | - Olivier Adotevi
- INSERM, UMR1098 RIGHT, EFS-BFC, University of Bourgogne Franche-Comté, Besançon, France
| | - Camilla Jandus
- Departement of Oncology, UNIL-CHUV, Ludwig Institute for Cancer Research Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Grégory Verdeil
- Departement of Oncology, UNIL-CHUV, University of Lausanne, Lausanne, Switzerland
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38
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Das A, Harly C, Ding Y, Bhandoola A. ILC Differentiation from Progenitors in the Bone Marrow. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1365:7-24. [DOI: 10.1007/978-981-16-8387-9_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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39
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Orimo K, Tamari M, Saito H, Matsumoto K, Nakae S, Morita H. Characteristics of tissue-resident ILCs and their potential as therapeutic targets in mucosal and skin inflammatory diseases. Allergy 2021; 76:3332-3348. [PMID: 33866593 DOI: 10.1111/all.14863] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 03/30/2021] [Accepted: 04/12/2021] [Indexed: 12/11/2022]
Abstract
Discovery of innate lymphoid cells (ILCs), which are non-T and non-B lymphocytes that have no antigen-specific receptors, changed the classical concept of the mechanism of allergy, which had been explained mainly as antigen-specific acquired immunity based on IgE and Th2 cells. The discovery led to dramatic improvement in our understanding of the mechanism of non-IgE-mediated allergic inflammation. Numerous studies conducted in the past decade have elucidated the characteristics of each ILC subset in various organs and tissues and their ontogeny. We now know that each ILC subset exhibits heterogeneity. Moreover, the functions and activating/suppressing factors of each ILC subset were found to differ among both organs and types of tissue. Therefore, in this review, we summarize our current knowledge of ILCs by focusing on the organ/tissue-specific features of each subset to understand their roles in various organs. We also discuss ILCs' involvement in human inflammatory diseases in various organs and potential therapeutic/preventive strategies that target ILCs.
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Affiliation(s)
- Keisuke Orimo
- Department of Allergy and Clinical Immunology National Research Institute for Child Health and Development Tokyo Japan
| | - Masato Tamari
- Department of Allergy and Clinical Immunology National Research Institute for Child Health and Development Tokyo Japan
| | - Hirohisa Saito
- Department of Allergy and Clinical Immunology National Research Institute for Child Health and Development Tokyo Japan
| | - Kenji Matsumoto
- Department of Allergy and Clinical Immunology National Research Institute for Child Health and Development Tokyo Japan
| | - Susumu Nakae
- Graduate School of Integrated Sciences for Life Hiroshima University Hiroshima Japan
- Precursory Research for Embryonic Science and Technology Japan Science and Technology Agency Saitama Japan
| | - Hideaki Morita
- Department of Allergy and Clinical Immunology National Research Institute for Child Health and Development Tokyo Japan
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40
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Stehle C, Rückert T, Fiancette R, Gajdasik DW, Willis C, Ulbricht C, Durek P, Mashreghi MF, Finke D, Hauser AE, Withers DR, Chang HD, Zimmermann J, Romagnani C. T-bet and RORα control lymph node formation by regulating embryonic innate lymphoid cell differentiation. Nat Immunol 2021; 22:1231-1244. [PMID: 34556887 PMCID: PMC7614953 DOI: 10.1038/s41590-021-01029-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 08/12/2021] [Indexed: 11/09/2022]
Abstract
The generation of lymphoid tissues during embryogenesis relies on group 3 innate lymphoid cells (ILC3) displaying lymphoid tissue inducer (LTi) activity and expressing the master transcription factor RORγt. Accordingly, RORγt-deficient mice lack ILC3 and lymphoid structures, including lymph nodes (LN). Whereas T-bet affects differentiation and functions of ILC3 postnatally, the role of T-bet in regulating fetal ILC3 and LN formation remains completely unknown. Using multiple mouse models and single-cell analyses of fetal ILCs and ILC progenitors (ILCP), here we identify a key role for T-bet during embryogenesis and show that its deficiency rescues LN formation in RORγt-deficient mice. Mechanistically, T-bet deletion skews the differentiation fate of fetal ILCs and promotes the accumulation of PLZFhi ILCP expressing central LTi molecules in a RORα-dependent fashion. Our data unveil an unexpected role for T-bet and RORα during embryonic ILC function and highlight that RORγt is crucial in counteracting the suppressive effects of T-bet.
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Affiliation(s)
- Christina Stehle
- Innate Immunity, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
| | - Timo Rückert
- Innate Immunity, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
| | - Rémi Fiancette
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Dominika W Gajdasik
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Claire Willis
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Carolin Ulbricht
- Immune Dynamics, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany
| | - Pawel Durek
- Cell Biology, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
| | - Mir-Farzin Mashreghi
- Therapeutic Gene Regulation, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
- Berlin Institute of Health (BIH) at Charité-Universitätsmedizin Berlin, BIH Center for Regenerative Therapies (BCRT), Berlin, Germany
| | - Daniela Finke
- Department of Biomedicine and University Children's Hospital of Basel, University of Basel, Basel, Switzerland
| | - Anja Erika Hauser
- Immune Dynamics, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Rheumatology and Clinical Immunology, Berlin, Germany
| | - David R Withers
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Hyun-Dong Chang
- Schwiete Laboratory for Microbiota and Inflammation, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany
- Department of Cytometry, Institute of Biotechnology, Technische Universität Berlin, Berlin, Germany
| | - Jakob Zimmermann
- Maurice Müller Laboratories, Universitätsklinik für Viszerale Chirurgie und Medizin Inselspital, University of Bern, Bern, Switzerland
| | - Chiara Romagnani
- Innate Immunity, German Rheumatism Research Centre-a Leibniz Institute, Berlin, Germany.
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Gastroenterology, Infectious Diseases, Rheumatology, Berlin, Germany.
- Leibniz-Science Campus Chronic Inflammation, Berlin, Germany.
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41
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Dynamic regulation of innate lymphoid cells in the mucosal immune system. Cell Mol Immunol 2021; 18:1387-1394. [PMID: 33980994 PMCID: PMC8167116 DOI: 10.1038/s41423-021-00689-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/18/2021] [Indexed: 02/03/2023] Open
Abstract
The mucosal immune system is considered a local immune system, a term that implies regional restriction. Mucosal tissues are continually exposed to a wide range of antigens. The regulation of mucosal immune cells is tightly associated with the progression of mucosal diseases. Innate lymphoid cells (ILCs) are abundant in mucosal barriers and serve as first-line defenses against pathogens. The subtype changes and translocation of ILCs are accompanied by the pathologic processes of mucosal diseases. Here, we review the plasticity and circulation of ILCs in the mucosal immune system under physiological and pathological conditions. We also discuss the signaling pathways involved in dynamic ILC changes and the related targets in mucosal diseases.
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42
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Kovacs SB, Oh C, Maltez VI, McGlaughon BD, Verma A, Miao EA, Aachoui Y. Neutrophil Caspase-11 Is Essential to Defend against a Cytosol-Invasive Bacterium. Cell Rep 2021; 32:107967. [PMID: 32726630 PMCID: PMC7480168 DOI: 10.1016/j.celrep.2020.107967] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/16/2020] [Accepted: 07/08/2020] [Indexed: 12/20/2022] Open
Abstract
Either caspase-1 or caspase-11 can cleave gasdermin D to cause pyroptosis, eliminating intracellular replication niches. We previously showed that macrophages detect Burkholderia thailandensis via NLRC4, triggering the release of interleukin (IL)-18 and driving an essential interferon (IFN)-γ response that primes caspase-11. We now identify the IFN-γ-producing cells as a mixture of natural killer (NK) and T cells. Although both caspase-1 and caspase-11 can cleave gasdermin D in macrophages and neutrophils, we find that NLRC4-activated caspase-1 triggers pyroptosis in macrophages, but this pathway does not trigger pyroptosis in neutrophils. In contrast, caspase-11 triggers pyroptosis in both macrophages and neutrophils. This translates to an absolute requirement for caspase-11 in neutrophils during B. thailandensis infection in mice. We present an example of inflammasome sensors causing diverging outcomes in different cell types. Thus, cell fates are dictated not simply by the pathogen or inflammasome, but also by how the cell is wired to respond to detection events. Kovacs et al. demonstrate that natural killer and T cells produce IFN-γ to prime caspase-11 during Burkholderia thailandensis infection. They demonstrate that in neutrophils, caspase-1 and caspase-11 activation lead to gasdermin D cleavage, but only caspase-11 activation leads to pyroptosis that is necessary for clearance of this cytosol-invasive pathogen in vivo.
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Affiliation(s)
- Stephen B Kovacs
- Department of Immunology, Duke University, Durham, NC 27710, USA; Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27710, USA; Department of Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Changhoon Oh
- Department of Microbiology and Immunology, Center for Microbial Pathogenesis and Host Responses, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Vivien I Maltez
- Department of Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Benjamin D McGlaughon
- Department of Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Ambika Verma
- Department of Microbiology and Immunology, Center for Microbial Pathogenesis and Host Responses, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Edward A Miao
- Department of Immunology, Duke University, Durham, NC 27710, USA; Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27710, USA; Department of Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
| | - Youssef Aachoui
- Department of Microbiology and Immunology, Center for Microbial Pathogenesis and Host Responses, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.
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43
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Shin SB, McNagny KM. ILC-You in the Thymus: A Fresh Look at Innate Lymphoid Cell Development. Front Immunol 2021; 12:681110. [PMID: 34025680 PMCID: PMC8136430 DOI: 10.3389/fimmu.2021.681110] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/20/2021] [Indexed: 01/20/2023] Open
Abstract
The discovery of innate lymphoid cells (ILCs) has revolutionized our understanding of innate immunity and immune cell interactions at epithelial barrier sites. Their presence and maintenance are critical for modulating immune homeostasis, responding to injury or infection, and repairing damaged tissues. To date, ILCs have been defined by a set of transcription factors, surface antigens and cytokines, and their functions resemble those of three major classes of helper T cell subsets, Th1, Th2 and Th17. Despite this, the lack of antigen-specific surface receptors and the notion that ILCs can develop in the absence of the thymic niche have clearly set them apart from the T-cell lineage and promulgated a dogma that ILCs develop directly from progenitors in the bone marrow. Interestingly however, emerging studies have challenged the BM-centric view of adult ILC development and suggest that ILCs could arise neonatally from developing T cell progenitors. In this review, we discuss ILC development in parallel to T-cell development and summarize key findings that support a T-cell-centric view of ILC ontogeny.
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Affiliation(s)
- Samuel B Shin
- Department of Experimental Medicine, University of British Columbia, Vancouver, BC, Canada.,School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Kelly M McNagny
- School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
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44
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Ghaedi M, Takei F. Innate lymphoid cell development. J Allergy Clin Immunol 2021; 147:1549-1560. [PMID: 33965092 DOI: 10.1016/j.jaci.2021.03.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/25/2022]
Abstract
Innate lymphoid cells (ILCs) mainly reside at barrier surfaces and regulate tissue homeostasis and immunity. ILCs are divided into 3 groups, group 1 ILCs, group 2 ILCs, and group 3 ILC3, on the basis of their similar effector programs to T cells. The development of ILCs from lymphoid progenitors in adult mouse bone marrow has been studied in detail, and multiple ILC progenitors have been characterized. ILCs are mostly tissue-resident cells that develop in the perinatal period. More recently, ILC progenitors have also been identified in peripheral tissues. In this review, we discuss the stepwise transcription factor-directed differentiation of mouse ILC progenitors into mature ILCs, the critical time windows in ILC development, and the contribution of bone marrow versus tissue ILC progenitors to the pool of mature ILCs in tissues.
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Affiliation(s)
- Maryam Ghaedi
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Fumio Takei
- the Department of Pathology and Laboratory Medicine, University of British Columbia (UBC), Vancouver, British Columbia, Canada; Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada.
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45
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Holmes TD, Pandey RV, Helm EY, Schlums H, Han H, Campbell TM, Drashansky TT, Chiang S, Wu CY, Tao C, Shoukier M, Tolosa E, Von Hardenberg S, Sun M, Klemann C, Marsh RA, Lau CM, Lin Y, Sun JC, Månsson R, Cichocki F, Avram D, Bryceson YT. The transcription factor Bcl11b promotes both canonical and adaptive NK cell differentiation. Sci Immunol 2021; 6:6/57/eabc9801. [PMID: 33712472 DOI: 10.1126/sciimmunol.abc9801] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 02/11/2021] [Indexed: 12/11/2022]
Abstract
Epigenetic landscapes can provide insight into regulation of gene expression and cellular diversity. Here, we examined the transcriptional and epigenetic profiles of seven human blood natural killer (NK) cell populations, including adaptive NK cells. The BCL11B gene, encoding a transcription factor (TF) essential for T cell development and function, was the most extensively regulated, with expression increasing throughout NK cell differentiation. Several Bcl11b-regulated genes associated with T cell signaling were specifically expressed in adaptive NK cell subsets. Regulatory networks revealed reciprocal regulation at distinct stages of NK cell differentiation, with Bcl11b repressing RUNX2 and ZBTB16 in canonical and adaptive NK cells, respectively. A critical role for Bcl11b in driving NK cell differentiation was corroborated in BCL11B-mutated patients and by ectopic Bcl11b expression. Moreover, Bcl11b was required for adaptive NK cell responses in a murine cytomegalovirus model, supporting expansion of these cells. Together, we define the TF regulatory circuitry of human NK cells and uncover a critical role for Bcl11b in promoting NK cell differentiation and function.
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Affiliation(s)
- Tim D Holmes
- Broegelmann Research Laboratory, Department of Clinical Sciences, University of Bergen, N-5021 Bergen, Norway. .,Centre for Hematology and Regenerative Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
| | - Ram Vinay Pandey
- Centre for Hematology and Regenerative Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
| | - Eric Y Helm
- Department of Anatomy and Cell Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Heinrich Schlums
- Centre for Hematology and Regenerative Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
| | - Hongya Han
- Centre for Hematology and Regenerative Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
| | - Tessa M Campbell
- Centre for Hematology and Regenerative Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
| | - Theodore T Drashansky
- Department of Anatomy and Cell Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Samuel Chiang
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Cheng-Ying Wu
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota Cancer Center, Minneapolis, MN 55455, USA
| | - Christine Tao
- Department of Anatomy and Cell Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA
| | | | - Eva Tolosa
- Department of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Miao Sun
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center College of Medicine, University of Cincinnati, Cincinnati, OH 45229, USA.,Department of Pediatrics, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Christian Klemann
- Department of Pediatric Pneumology, Allergy and Neonatology, Hannover Medical School, Hannover, Germany
| | - Rebecca A Marsh
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.,Department of Pediatrics, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Colleen M Lau
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Yin Lin
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75246, USA
| | - Joseph C Sun
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Robert Månsson
- Centre for Hematology and Regenerative Medicine, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
| | - Frank Cichocki
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota Cancer Center, Minneapolis, MN 55455, USA
| | - Dorina Avram
- Department of Anatomy and Cell Biology, College of Medicine, University of Florida, Gainesville, FL 32610, USA.,Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Yenan T Bryceson
- Broegelmann Research Laboratory, Department of Clinical Sciences, University of Bergen, N-5021 Bergen, Norway. .,Centre for Hematology and Regenerative Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, S-14186 Stockholm, Sweden
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46
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Liu C, Lan Y, Liu B, Zhang H, Hu H. T Cell Development: Old Tales Retold By Single-Cell RNA Sequencing. Trends Immunol 2021; 42:165-175. [PMID: 33446417 DOI: 10.1016/j.it.2020.12.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 12/07/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023]
Abstract
Mammalian T cell development initiates from the migration of hematopoietic progenitors to the thymus, which undergo cell proliferation, T-lineage specification and commitment, as well as positive and negative selection. These processes are precisely controlled at multiple levels and have been intensively studied using gene-modified animal models and in vitro coculture systems. However, several long-standing questions, including the characterization of the rare but crucial progenitors/precursors and the molecular mechanisms underlying their fate decision, have been dampened because of cell scarcity and lack of appropriate techniques. Single-cell RNA sequencing (scRNA-seq) makes it possible to investigate and resolve some of these questions, leading to new remarkable progress in identifying and characterizing early thymic progenitors and delineating the refined developmental trajectories of conventional and unconventional T cells.
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Affiliation(s)
- Chen Liu
- State Key Laboratory of Proteomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing 100071, China
| | - Yu Lan
- Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Bing Liu
- State Key Laboratory of Proteomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing 100071, China; Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou 510632, China; State Key Laboratory of Experimental Hematology, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100071, China
| | - Huiyuan Zhang
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China.
| | - Hongbo Hu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu 610041, China.
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47
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Liu Q, Kim MH, Friesen L, Kim CH. BATF regulates innate lymphoid cell hematopoiesis and homeostasis. Sci Immunol 2020; 5:eaaz8154. [PMID: 33277375 PMCID: PMC8375455 DOI: 10.1126/sciimmunol.aaz8154] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 06/01/2020] [Accepted: 11/09/2020] [Indexed: 12/31/2022]
Abstract
Early hematopoietic progenitors undergo sophisticated developmental processes to become committed innate lymphoid cell (ILC) progenitors and ultimately mature ILC subsets in the periphery. Basic leucine zipper ATF-like transcription factor (Batf) plays important roles in lymphocyte biology. We report here that Batf regulates the production of bone marrow ILC progenitors and maintenance of peripheral ILCs. The expression of Batf is induced during ILC development at the α-lymphoid progenitor stage in response to the cytokine IL-7. As a potential mechanism, up-regulated Batf binds and activates transcription of the Nfil3 gene to promote ILC hematopoiesis. Batf is necessary to maintain normal numbers of early and late ILC progenitors in the bone marrow and mature ILC1, ILC2, ILC3, and NK cells in most peripheral tissues. Batf deficiency causes ILC lymphopenia, leading to defective ILC responses to inflammatory cytokines and defective immunity to enteric bacterial infections. Thus, Batf plays critical roles in bone marrow hematopoiesis, peripheral homeostasis, and effector functions of ILCs.
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Affiliation(s)
- Qingyang Liu
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Myung H Kim
- Laboratory of Immunology and Hematopoiesis, Department of Comparative Pathobiology, Purdue University, West Lafayette, IN 47907, USA
| | - Leon Friesen
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
| | - Chang H Kim
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA.
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Rogel Cancer Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
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48
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Multidimensional molecular controls defining NK/ILC1 identity in cancers. Semin Immunol 2020; 52:101424. [DOI: 10.1016/j.smim.2020.101424] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 10/09/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022]
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49
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Kasal DN, Bendelac A. Multi-transcription factor reporter mice delineate early precursors to the ILC and LTi lineages. J Exp Med 2020; 218:211499. [PMID: 33104170 PMCID: PMC7590509 DOI: 10.1084/jem.20200487] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 08/07/2020] [Accepted: 09/28/2020] [Indexed: 11/21/2022] Open
Abstract
Transcription factor (TF) reporter mice have proved integral to the characterization of murine innate lymphoid cell (ILC) development and function. Here, we implemented a CRISPR/Cas9-generated combinatorial reporter approach for the simultaneous resolution of several key TFs throughout ILC development in both the fetal liver and adult bone marrow. We demonstrate that the Tcf7-expressing early innate lymphoid precursor (EILP) and the common helper ILC precursor (CHILP) both contain a heterogeneous mixture of specified ILC and lymphoid tissue inducer (LTi) precursors with restricted lineage potential rather than a shared precursor. Moreover, the earliest specified precursor to the LTi lineage was identified upstream of these populations, before Tcf7 expression. These findings match dynamic changes in chromatin accessibility associated with the expression of key TFs (i.e., GATA3 and RORγ(t)), highlighting the distinct origins of ILC and LTi lineages at the epigenetic and functional levels, and provide a revised map for ILC development.
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Affiliation(s)
- Darshan N Kasal
- Committee on Immunology, University of Chicago, Chicago, IL.,Department of Pathology, University of Chicago, Chicago, IL
| | - Albert Bendelac
- Committee on Immunology, University of Chicago, Chicago, IL.,Department of Pathology, University of Chicago, Chicago, IL
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50
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Gong X, Xia L, Su Z. Friend or foe of innate lymphoid cells in inflammation-associated cardiovascular disease. Immunology 2020; 162:368-376. [PMID: 32967038 DOI: 10.1111/imm.13271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/11/2020] [Accepted: 09/04/2020] [Indexed: 12/17/2022] Open
Abstract
As a distinctive population of leucocytes, innate lymphoid cells (ILCs) participate in immune-mediated diseases and play crucial roles in tissue remodelling after injury. ILC lineages can be divided into helper ILCs and cytotoxic ILCs. Most helper ILCs are integrated into the fabric of tissues and produce different types of cytokines involving in the pathogenesis of many kinds of cardiovascular disease and form intricate response circuits with adaptive immune cells. However, the specific phenotype and function of helper ILC subsets in cardiovascular diseases are still poorly understood. In this review, we firstly highlight the distribution of helper ILCs in cardiovascular system and further discuss the potential contribution of helper ILCs in inflammation-associated cardiovascular disease.
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Affiliation(s)
- Xiangmei Gong
- International Genome Center, Jiangsu University, Zhenjiang, China.,Department of Immunology, Jiangsu University, Zhenjiang, China
| | - Lin Xia
- International Genome Center, Jiangsu University, Zhenjiang, China.,Department of Laboratory Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhaoliang Su
- International Genome Center, Jiangsu University, Zhenjiang, China.,Department of Immunology, Jiangsu University, Zhenjiang, China.,Laboratory Center, The Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
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