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  1. Article ; Online: Intraepithelial Lymphocytes of the Intestine.

    Lockhart, Ainsley / Mucida, Daniel / Bilate, Angelina M

    Annual review of immunology

    2024  

    Abstract: The intestinal epithelium, which segregates the highly stimulatory lumen from the underlying tissue, harbors one of the largest lymphocyte populations in the body, intestinal intraepithelial lymphocytes (IELs). IELs must balance tolerance, resistance, ... ...

    Abstract The intestinal epithelium, which segregates the highly stimulatory lumen from the underlying tissue, harbors one of the largest lymphocyte populations in the body, intestinal intraepithelial lymphocytes (IELs). IELs must balance tolerance, resistance, and tissue protection to maintain epithelial homeostasis and barrier integrity. This review discusses the ontogeny, environmental imprinting, T cell receptor (TCR) repertoire, and function of intestinal IELs. Despite distinct developmental pathways, IEL subsets share core traits including an epithelium-adapted profile, innate-like properties, cytotoxic potential, and limited TCR diversity. IELs also receive important developmental and functional cues through interactions with epithelial cells, microbiota, and dietary components. The restricted TCR diversity of IELs suggests that a limited set of intestinal antigens drives IEL responses, with potential functional consequences. Finally, IELs play a key role in promoting homeostatic immunity and epithelial barrier integrity but can become pathogenic upon dysregulation. Therefore, IELs represent intriguing but underexamined therapeutic targets for inflammatory diseases and cancer. Expected final online publication date for the
    Language English
    Publishing date 2024-01-26
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 604953-9
    ISSN 1545-3278 ; 0732-0582
    ISSN (online) 1545-3278
    ISSN 0732-0582
    DOI 10.1146/annurev-immunol-090222-100246
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Stepwise chromatin and transcriptional acquisition of an intraepithelial lymphocyte program.

    London, Mariya / Bilate, Angelina M / Castro, Tiago B R / Sujino, Tomohisa / Mucida, Daniel

    Nature immunology

    2021  Volume 22, Issue 4, Page(s) 449–459

    Abstract: Mesenteric lymph node (mLN) T cells undergo tissue adaptation upon migrating to intestinal lamina propria and epithelium, ensuring appropriate balance between tolerance and resistance. By combining mouse genetics with single-cell and chromatin analyses, ... ...

    Abstract Mesenteric lymph node (mLN) T cells undergo tissue adaptation upon migrating to intestinal lamina propria and epithelium, ensuring appropriate balance between tolerance and resistance. By combining mouse genetics with single-cell and chromatin analyses, we uncovered the molecular imprinting of gut epithelium on T cells. Transcriptionally, conventional and regulatory (T
    MeSH term(s) Animals ; Cell Differentiation ; Cell Lineage ; Cells, Cultured ; Chromatin Assembly and Disassembly ; Gene Expression Profiling ; Gene Expression Regulation, Developmental ; Genomic Imprinting ; Intestinal Mucosa/immunology ; Intestinal Mucosa/metabolism ; Intraepithelial Lymphocytes/immunology ; Intraepithelial Lymphocytes/metabolism ; Lymph Nodes/immunology ; Lymph Nodes/metabolism ; Mice, Knockout ; Phenotype ; RNA-Seq ; Single-Cell Analysis ; T-Lymphocytes, Regulatory/immunology ; T-Lymphocytes, Regulatory/metabolism ; Transcription Factors/genetics ; Transcription Factors/metabolism ; Transcription, Genetic ; Transcriptome ; Mice
    Chemical Substances Th-POK protein, mouse ; Transcription Factors
    Language English
    Publishing date 2021-03-08
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2016987-5
    ISSN 1529-2916 ; 1529-2908
    ISSN (online) 1529-2916
    ISSN 1529-2908
    DOI 10.1038/s41590-021-00883-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Universal recording of cell-cell contacts

    Nakandakari-Higa, Sandra / Canesso, Maria C C / Walker, Sarah / Chudnovskiy, Aleksey / Jacobsen, Johanne T / Bilanovic, Jana / Parigi, S Martina / Fiedorczuk, Karol / Fuchs, Elaine / Bilate, Angelina M / Pasqual, Giulia / Mucida, Daniel / Pritykin, Yuri / Victora, Gabriel D

    bioRxiv : the preprint server for biology

    2023  

    Abstract: Cellular interactions are essential for tissue organization and functionality. In particular, immune cells rely on direct and usually transient interactions with other immune and non-immune populations to specify and regulate their function. To study ... ...

    Abstract Cellular interactions are essential for tissue organization and functionality. In particular, immune cells rely on direct and usually transient interactions with other immune and non-immune populations to specify and regulate their function. To study these "kiss-and-run" interactions directly
    Language English
    Publishing date 2023-04-18
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2023.03.16.533003
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Universal recording of immune cell interactions in vivo.

    Nakandakari-Higa, Sandra / Walker, Sarah / Canesso, Maria C C / van der Heide, Verena / Chudnovskiy, Aleksey / Kim, Dong-Yoon / Jacobsen, Johanne T / Parsa, Roham / Bilanovic, Jana / Parigi, S Martina / Fiedorczuk, Karol / Fuchs, Elaine / Bilate, Angelina M / Pasqual, Giulia / Mucida, Daniel / Kamphorst, Alice O / Pritykin, Yuri / Victora, Gabriel D

    Nature

    2024  Volume 627, Issue 8003, Page(s) 399–406

    Abstract: Immune cells rely on transient physical interactions with other immune and non-immune populations to regulate their ... ...

    Abstract Immune cells rely on transient physical interactions with other immune and non-immune populations to regulate their function
    MeSH term(s) CD8-Positive T-Lymphocytes/cytology ; CD8-Positive T-Lymphocytes/immunology ; Cell Communication/immunology ; Dendritic Cells/cytology ; Dendritic Cells/immunology ; Ligands ; T-Lymphocytes, Regulatory/cytology ; T-Lymphocytes, Regulatory/immunology ; T Follicular Helper Cells/cytology ; T Follicular Helper Cells/immunology ; B-Lymphocytes/cytology ; B-Lymphocytes/immunology ; Germinal Center/cytology ; Single-Cell Gene Expression Analysis ; Epithelial Cells/cytology ; Epithelial Cells/immunology ; Intestinal Mucosa/cytology ; Intestinal Mucosa/immunology ; Lymphocytic choriomeningitis virus/immunology ; Lymphocytic Choriomeningitis/immunology ; Lymphocytic Choriomeningitis/virology ; Organ Specificity
    Chemical Substances Ligands
    Language English
    Publishing date 2024-03-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/s41586-024-07134-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Induced CD4+Foxp3+ regulatory T cells in immune tolerance.

    Bilate, Angelina M / Lafaille, Juan J

    Annual review of immunology

    2012  Volume 30, Page(s) 733–758

    Abstract: Regulatory T lymphocytes are essential to maintain homeostasis of the immune system, limiting the magnitude of effector responses and allowing the establishment of immunological tolerance. Two main types of regulatory T cells have been identified-- ... ...

    Abstract Regulatory T lymphocytes are essential to maintain homeostasis of the immune system, limiting the magnitude of effector responses and allowing the establishment of immunological tolerance. Two main types of regulatory T cells have been identified--natural and induced (or adaptive)-and both play significant roles in tuning down effector immune responses. Adaptive CD4(+)Foxp3(+) regulatory T (iTreg) cells develop outside the thymus under a variety of conditions. These include not only antigen presentation under subimmunogenic or noninflammatory conditions, but also chronic inflammation and infections. We speculate that the different origin of iTreg cells (noninflammatory versus inflammatory) results in distinct properties, including their stability. iTreg cells are also generated during homeostasis of the gut and in cancer, although some cancers also favor expansion of natural regulatory T (nTreg) cells. Here we review how iTreg cells develop and how they participate in immunological tolerance, contrasting, when possible, iTreg cells with nTreg cells.
    MeSH term(s) Adoptive Transfer ; Animals ; Antigen-Presenting Cells/immunology ; Antigen-Presenting Cells/metabolism ; CD4 Antigens/metabolism ; Forkhead Transcription Factors/metabolism ; Humans ; Immune Tolerance/immunology ; Lymphoid Tissue/immunology ; Lymphoid Tissue/metabolism ; T-Lymphocytes, Regulatory/immunology ; T-Lymphocytes, Regulatory/metabolism
    Chemical Substances CD4 Antigens ; FOXP3 protein, human ; Forkhead Transcription Factors
    Language English
    Publishing date 2012
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 604953-9
    ISSN 1545-3278 ; 0732-0582
    ISSN (online) 1545-3278
    ISSN 0732-0582
    DOI 10.1146/annurev-immunol-020711-075043
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Microbiota imbalance induced by dietary sugar disrupts immune-mediated protection from metabolic syndrome.

    Kawano, Yoshinaga / Edwards, Madeline / Huang, Yiming / Bilate, Angelina M / Araujo, Leandro P / Tanoue, Takeshi / Atarashi, Koji / Ladinsky, Mark S / Reiner, Steven L / Wang, Harris H / Mucida, Daniel / Honda, Kenya / Ivanov, Ivaylo I

    Cell

    2022  Volume 185, Issue 19, Page(s) 3501–3519.e20

    Abstract: How intestinal microbes regulate metabolic syndrome is incompletely understood. We show that intestinal microbiota protects against development of obesity, metabolic syndrome, and pre-diabetic phenotypes by inducing commensal-specific Th17 cells. High- ... ...

    Abstract How intestinal microbes regulate metabolic syndrome is incompletely understood. We show that intestinal microbiota protects against development of obesity, metabolic syndrome, and pre-diabetic phenotypes by inducing commensal-specific Th17 cells. High-fat, high-sugar diet promoted metabolic disease by depleting Th17-inducing microbes, and recovery of commensal Th17 cells restored protection. Microbiota-induced Th17 cells afforded protection by regulating lipid absorption across intestinal epithelium in an IL-17-dependent manner. Diet-induced loss of protective Th17 cells was mediated by the presence of sugar. Eliminating sugar from high-fat diets protected mice from obesity and metabolic syndrome in a manner dependent on commensal-specific Th17 cells. Sugar and ILC3 promoted outgrowth of Faecalibaculum rodentium that displaced Th17-inducing microbiota. These results define dietary and microbiota factors posing risk for metabolic syndrome. They also define a microbiota-dependent mechanism for immuno-pathogenicity of dietary sugar and highlight an elaborate interaction between diet, microbiota, and intestinal immunity in regulation of metabolic disorders.
    MeSH term(s) Animals ; Diet, High-Fat ; Dietary Sugars ; Interleukin-17 ; Intestinal Mucosa ; Lipids ; Metabolic Syndrome ; Mice ; Mice, Inbred C57BL ; Microbiota ; Obesity ; Th17 Cells
    Chemical Substances Dietary Sugars ; Interleukin-17 ; Lipids
    Language English
    Publishing date 2022-08-29
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
    ZDB-ID 187009-9
    ISSN 1097-4172 ; 0092-8674
    ISSN (online) 1097-4172
    ISSN 0092-8674
    DOI 10.1016/j.cell.2022.08.005
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Microbiota imbalance induced by dietary sugar disrupts immune-mediated protection from metabolic syndrome

    Kawano, Yoshinaga / Edwards, Madeline / Huang, Yiming / Bilate, Angelina M. / Araujo, Leandro P. / Tanoue, Takeshi / Atarashi, Koji / Ladinsky, Mark S. / Reiner, Steven L. / Wang, Harris H. / Mucida, Daniel / Honda, Kenya / Ivanov, Ivaylo I.

    Cell. 2022 Aug. 04,

    2022  

    Abstract: How intestinal microbes regulate metabolic syndrome is incompletely understood. We show that intestinal microbiota protects against development of obesity, metabolic syndrome, and pre-diabetic phenotypes by inducing commensal-specific Th17 cells. High- ... ...

    Abstract How intestinal microbes regulate metabolic syndrome is incompletely understood. We show that intestinal microbiota protects against development of obesity, metabolic syndrome, and pre-diabetic phenotypes by inducing commensal-specific Th17 cells. High-fat, high-sugar diet promoted metabolic disease by depleting Th17-inducing microbes, and recovery of commensal Th17 cells restored protection. Microbiota-induced Th17 cells afforded protection by regulating lipid absorption across intestinal epithelium in an IL-17-dependent manner. Diet-induced loss of protective Th17 cells was mediated by the presence of sugar. Eliminating sugar from high-fat diets protected mice from obesity and metabolic syndrome in a manner dependent on commensal-specific Th17 cells. Sugar and ILC3 promoted outgrowth of Faecalibaculum rodentium that displaced Th17-inducing microbiota. These results define dietary and microbiota factors posing risk for metabolic syndrome. They also define a microbiota-dependent mechanism for immuno-pathogenicity of dietary sugar and highlight an elaborate interaction between diet, microbiota, and intestinal immunity in regulation of metabolic disorders.
    Keywords absorption ; high carbohydrate diet ; immunity ; intestinal microorganisms ; intestinal mucosa ; lipids ; metabolic diseases ; metabolic syndrome ; obesity ; risk ; sugars
    Language English
    Dates of publication 2022-0804
    Publishing place Elsevier Inc.
    Document type Article
    Note Pre-press version
    ZDB-ID 187009-9
    ISSN 1097-4172 ; 0092-8674
    ISSN (online) 1097-4172
    ISSN 0092-8674
    DOI 10.1016/j.cell.2022.08.005
    Database NAL-Catalogue (AGRICOLA)

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  8. Article ; Online: T Cell Receptor Is Required for Differentiation, but Not Maintenance, of Intestinal CD4

    Bilate, Angelina M / London, Mariya / Castro, Tiago B R / Mesin, Luka / Bortolatto, Juliana / Kongthong, Suppawat / Harnagel, Audrey / Victora, Gabriel D / Mucida, Daniel

    Immunity

    2020  Volume 53, Issue 5, Page(s) 1001–1014.e20

    Abstract: The gut epithelium is populated by intraepithelial lymphocytes (IELs), a heterogeneous T cell population with cytotoxic and regulatory properties, which can be acquired at the epithelial layer. However, the role of T cell receptor (TCR) in this process ... ...

    Abstract The gut epithelium is populated by intraepithelial lymphocytes (IELs), a heterogeneous T cell population with cytotoxic and regulatory properties, which can be acquired at the epithelial layer. However, the role of T cell receptor (TCR) in this process remains unclear. Single-cell transcriptomic analyses revealed distinct clonal expansions between cell states, with CD4
    MeSH term(s) Animals ; CD4-Positive T-Lymphocytes/immunology ; CD4-Positive T-Lymphocytes/metabolism ; Cell Differentiation/genetics ; Cell Differentiation/immunology ; Clonal Evolution/genetics ; Clonal Evolution/immunology ; Histocompatibility Antigens Class II/genetics ; Histocompatibility Antigens Class II/immunology ; Immunophenotyping ; Intestinal Mucosa/immunology ; Intestinal Mucosa/metabolism ; Intraepithelial Lymphocytes/immunology ; Intraepithelial Lymphocytes/metabolism ; Mice ; Receptors, Antigen, T-Cell/metabolism ; Receptors, Antigen, T-Cell, alpha-beta/metabolism ; Signal Transduction ; Single-Cell Analysis ; T-Lymphocyte Subsets/immunology ; T-Lymphocyte Subsets/metabolism
    Chemical Substances Histocompatibility Antigens Class II ; Receptors, Antigen, T-Cell ; Receptors, Antigen, T-Cell, alpha-beta
    Language English
    Publishing date 2020-10-05
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1217235-2
    ISSN 1097-4180 ; 1074-7613
    ISSN (online) 1097-4180
    ISSN 1074-7613
    DOI 10.1016/j.immuni.2020.09.003
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Can TNF-α boost regulatory T cells?

    Bilate, Angelina M / Lafaille, Juan J

    The Journal of clinical investigation

    2010  Volume 120, Issue 12, Page(s) 4190–4192

    Abstract: Deleterious immune responses that cause autoimmune diseases such as type 1 diabetes are normally kept in check by a myriad of mechanisms. Among these, protection mediated by CD4+Foxp3+ Tregs constitutes an essential pathway. Much work over the past ... ...

    Abstract Deleterious immune responses that cause autoimmune diseases such as type 1 diabetes are normally kept in check by a myriad of mechanisms. Among these, protection mediated by CD4+Foxp3+ Tregs constitutes an essential pathway. Much work over the past decade aimed to understand how Tregs affect immune responses triggered by effector T cells (Teffs), but less is known about how Teffs affect Tregs. In this issue of the JCI, Grinberg-Bleyer et al. report the clearest example thus far regarding this important aspect of Treg biology. They find that in mice, sustained protection from diabetes by Tregs is dependent on Teffs and partially dependent on TNF-α, a cytokine traditionally considered proinflammatory.
    MeSH term(s) Animals ; Diabetes Mellitus, Type 1/immunology ; Feedback, Physiological ; Lymphocyte Cooperation ; Mice ; Models, Immunological ; T-Lymphocyte Subsets/immunology ; T-Lymphocytes, Regulatory/immunology ; Tumor Necrosis Factor-alpha/immunology
    Chemical Substances Tumor Necrosis Factor-alpha
    Language English
    Publishing date 2010-11-22
    Publishing country United States
    Document type Comment ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3067-3
    ISSN 1558-8238 ; 0021-9738
    ISSN (online) 1558-8238
    ISSN 0021-9738
    DOI 10.1172/JCI45262
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: A minimally-edited mouse model for infection with multiple SARS-CoV-2 strains.

    Nakandakari-Higa, Sandra / Parsa, Roham / Reis, Bernardo S / de Carvalho, Renan V H / Mesin, Luka / Hoffmann, Hans-Heinrich / Bortolatto, Juliana / Muramatsu, Hiromi / Lin, Paulo J C / Bilate, Angelina M / Rice, Charles M / Pardi, Norbert / Mucida, Daniel / Victora, Gabriel D / Canesso, Maria Cecilia C

    Frontiers in immunology

    2022  Volume 13, Page(s) 1007080

    Abstract: Efficient mouse models to study SARS-CoV-2 infection are critical for the development and assessment of vaccines and therapeutic approaches to mitigate the current pandemic and prevent reemergence of COVID-19. While the first generation of mouse models ... ...

    Abstract Efficient mouse models to study SARS-CoV-2 infection are critical for the development and assessment of vaccines and therapeutic approaches to mitigate the current pandemic and prevent reemergence of COVID-19. While the first generation of mouse models allowed SARS-CoV-2 infection and pathogenesis, they relied on ectopic expression and non-physiological levels of human angiotensin-converting enzyme 2 (hACE2). Here we generated a mouse model carrying the minimal set of modifications necessary for productive infection with multiple strains of SARS-CoV-2. Substitution of only three amino acids in the otherwise native mouse
    MeSH term(s) Humans ; Mice ; Animals ; SARS-CoV-2 ; Angiotensin-Converting Enzyme 2/genetics ; COVID-19 ; Disease Models, Animal ; Pandemics
    Chemical Substances Angiotensin-Converting Enzyme 2 (EC 3.4.17.23)
    Language English
    Publishing date 2022-11-14
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 2606827-8
    ISSN 1664-3224 ; 1664-3224
    ISSN (online) 1664-3224
    ISSN 1664-3224
    DOI 10.3389/fimmu.2022.1007080
    Database MEDical Literature Analysis and Retrieval System OnLINE

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