1
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Zou M, Pezoldt J, Mohr J, Philipsen L, Leufgen A, Cerovic V, Wiechers C, Pils M, Ortiz D, Hao L, Yang J, Beckstette M, Dupont A, Hornef M, Dersch P, Strowig T, Müller AJ, Raila J, Huehn J. Early-life vitamin A treatment rescues neonatal infection-induced durably impaired tolerogenic properties of celiac lymph nodes. Cell Rep 2024; 43:114153. [PMID: 38687643 DOI: 10.1016/j.celrep.2024.114153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 11/23/2023] [Accepted: 04/10/2024] [Indexed: 05/02/2024] Open
Abstract
Gut-draining mesenteric and celiac lymph nodes (mLNs and celLNs) critically contribute to peripheral tolerance toward food and microbial antigens by supporting the de novo induction of regulatory T cells (Tregs). These tolerogenic properties of mLNs and celLNs are stably imprinted within stromal cells (SCs) by microbial signals and vitamin A (VA), respectively. Here, we report that a single, transient gastrointestinal infection in the neonatal, but not adult, period durably abrogates the efficient Treg-inducing capacity of celLNs by altering the subset composition and gene expression profile of celLNSCs. These cells carry information about the early-life pathogen encounter until adulthood and durably instruct migratory dendritic cells entering the celLN with reduced tolerogenic properties. Mechanistically, transiently reduced VA levels cause long-lasting celLN functional impairment, which can be rescued by early-life treatment with VA. Together, our data highlight the therapeutic potential of VA to prevent sequelae post gastrointestinal infections in infants.
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Affiliation(s)
- Mangge Zou
- Department Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Joern Pezoldt
- Department Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Juliane Mohr
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany
| | - Lars Philipsen
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany; Multi-Parametric Bioimaging and Cytometry (MPBIC) Platform, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany
| | - Andrea Leufgen
- Institute of Molecular Medicine, RWTH Aachen University, 52074 Aachen, Germany
| | - Vuk Cerovic
- Institute of Molecular Medicine, RWTH Aachen University, 52074 Aachen, Germany
| | - Carolin Wiechers
- Department Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Marina Pils
- Mouse Pathology Platform, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Diego Ortiz
- Department Microbial Immune Regulation, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Lianxu Hao
- Department Microbial Immune Regulation, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Juhao Yang
- Department Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Michael Beckstette
- Department Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Aline Dupont
- Institute of Medical Microbiology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Mathias Hornef
- Institute of Medical Microbiology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Petra Dersch
- Institute for Infectiology, University of Münster, 48149 Münster, Germany; German Center for Infection Research (DZIF), Associated Site University of Münster, 48149 Münster, Germany
| | - Till Strowig
- Department Microbial Immune Regulation, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, 30625 Hannover, Germany
| | - Andreas J Müller
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany; Multi-Parametric Bioimaging and Cytometry (MPBIC) Platform, Medical Faculty, Otto-von-Guericke University, 39120 Magdeburg, Germany; Intravital Microscopy in Infection and Immunity, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Jens Raila
- Institute of Nutritional Science, University of Potsdam, 14558 Nuthetal, Germany
| | - Jochen Huehn
- Department Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, 30625 Hannover, Germany.
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2
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Tkachev V, Vanderbeck A, Perkey E, Furlan SN, McGuckin C, Atria DG, Gerdemann U, Rui X, Lane J, Hunt DJ, Zheng H, Colonna L, Hoffman M, Yu A, Outen R, Kelly S, Allman A, Koch U, Radtke F, Ludewig B, Burbach B, Shimizu Y, Panoskaltsis-Mortari A, Chen G, Carpenter SM, Harari O, Kuhnert F, Thurston G, Blazar BR, Kean LS, Maillard I. Notch signaling drives intestinal graft-versus-host disease in mice and nonhuman primates. Sci Transl Med 2023; 15:eadd1175. [PMID: 37379368 PMCID: PMC10896076 DOI: 10.1126/scitranslmed.add1175] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 05/31/2023] [Indexed: 06/30/2023]
Abstract
Notch signaling promotes T cell pathogenicity and graft-versus-host disease (GVHD) after allogeneic hematopoietic cell transplantation (allo-HCT) in mice, with a dominant role for the Delta-like Notch ligand DLL4. To assess whether Notch's effects are evolutionarily conserved and to identify the mechanisms of Notch signaling inhibition, we studied antibody-mediated DLL4 blockade in a nonhuman primate (NHP) model similar to human allo-HCT. Short-term DLL4 blockade improved posttransplant survival with durable protection from gastrointestinal GVHD in particular. Unlike prior immunosuppressive strategies tested in the NHP GVHD model, anti-DLL4 interfered with a T cell transcriptional program associated with intestinal infiltration. In cross-species investigations, Notch inhibition decreased surface abundance of the gut-homing integrin α4β7 in conventional T cells while preserving α4β7 in regulatory T cells, with findings suggesting increased β1 competition for α4 binding in conventional T cells. Secondary lymphoid organ fibroblastic reticular cells emerged as the critical cellular source of Delta-like Notch ligands for Notch-mediated up-regulation of α4β7 integrin in T cells after allo-HCT. Together, DLL4-Notch blockade decreased effector T cell infiltration into the gut, with increased regulatory to conventional T cell ratios early after allo-HCT. Our results identify a conserved, biologically unique, and targetable role of DLL4-Notch signaling in intestinal GVHD.
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Affiliation(s)
- Victor Tkachev
- Massachusetts General Hospital, Center for Transplantation Sciences, Boston, MA 02114
- Division of Hematology/Oncology, Boston Children’s Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Ashley Vanderbeck
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
- Immunology Graduate Group and Veterinary Medical Scientist Training Program, University of Pennsylvania, Philadelphia, PA 19104
| | - Eric Perkey
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
- Graduate Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI 48109
| | - Scott N. Furlan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA 98109
| | - Connor McGuckin
- Division of Hematology/Oncology, Boston Children’s Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Daniela Gómez Atria
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
| | - Ulrike Gerdemann
- Division of Hematology/Oncology, Boston Children’s Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Xianliang Rui
- Division of Hematology/Oncology, Boston Children’s Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Jennifer Lane
- Division of Hematology/Oncology, Boston Children’s Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Daniel J. Hunt
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, University of Washington, Seattle, WA 98101
| | - Hengqi Zheng
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, University of Washington, Seattle, WA 98101
| | - Lucrezia Colonna
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, University of Washington, Seattle, WA 98101
| | - Michelle Hoffman
- Clinical Research Division, Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA 98109
| | - Alison Yu
- Ben Towne Center for Childhood Cancer Research, Seattle Children’s Research Institute, University of Washington, Seattle, WA 98101
| | - Riley Outen
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
| | - Samantha Kelly
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
| | - Anneka Allman
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
| | - Ute Koch
- EPFL, 1015 Lausanne, Switzerland
| | | | - Burkhard Ludewig
- Medical Research Center, Kantonsspital St. Gallen, 9007 St. Gallen, Switzerland
| | - Brandon Burbach
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota School of Medicine, Minneapolis, MN 55455
| | - Yoji Shimizu
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota School of Medicine, Minneapolis, MN 55455
| | - Angela Panoskaltsis-Mortari
- Division of Blood & Marrow Transplant & Cellular Therapy, Department of Pediatrics, University of Minnesota School of Medicine, Minneapolis, MN 55455
| | - Guoying Chen
- Regeneron Pharmaceuticals Inc., Tarrytown, NY 10591
| | | | | | | | | | - Bruce R. Blazar
- Division of Blood & Marrow Transplant & Cellular Therapy, Department of Pediatrics, University of Minnesota School of Medicine, Minneapolis, MN 55455
| | - Leslie S. Kean
- Division of Hematology/Oncology, Boston Children’s Hospital and Department of Pediatric Oncology, Dana Farber Cancer Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115
| | - Ivan Maillard
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
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3
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Qiu Z, Khairallah C, Chu TH, Imperato JN, Lei X, Romanov G, Atakilit A, Puddington L, Sheridan BS. Retinoic acid signaling during priming licenses intestinal CD103+ CD8 TRM cell differentiation. J Exp Med 2023; 220:e20210923. [PMID: 36809399 PMCID: PMC9960115 DOI: 10.1084/jem.20210923] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 12/02/2022] [Accepted: 02/01/2023] [Indexed: 02/23/2023] Open
Abstract
CD8 tissue-resident memory T (TRM) cells provide frontline protection at barrier tissues; however, mechanisms regulating TRM cell development are not completely understood. Priming dictates the migration of effector T cells to the tissue, while factors in the tissue induce in situ TRM cell differentiation. Whether priming also regulates in situ TRM cell differentiation uncoupled from migration is unclear. Here, we demonstrate that T cell priming in the mesenteric lymph nodes (MLN) regulates CD103+ TRM cell differentiation in the intestine. In contrast, T cells primed in the spleen were impaired in the ability to differentiate into CD103+ TRM cells after entry into the intestine. MLN priming initiated a CD103+ TRM cell gene signature and licensed rapid CD103+ TRM cell differentiation in response to factors in the intestine. Licensing was regulated by retinoic acid signaling and primarily driven by factors other than CCR9 expression and CCR9-mediated gut homing. Thus, the MLN is specialized to promote intestinal CD103+ CD8 TRM cell development by licensing in situ differentiation.
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Affiliation(s)
- Zhijuan Qiu
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Camille Khairallah
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Timothy H. Chu
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Jessica N. Imperato
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Xinyuan Lei
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Galina Romanov
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Amha Atakilit
- Lung Biology Center, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Lynn Puddington
- Department of Immunology, University of Connecticut Health, Farmington, CT, USA
| | - Brian S. Sheridan
- Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
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4
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Li L, Wu L, Kensiski A, Zhao J, Shirkey MW, Song Y, Piao W, Zhang T, Mei Z, Gavzy SJ, Ma B, Saxena V, Lee YS, Xiong Y, Li X, Fan X, Abdi R, Bromberg JS. FRC transplantation restores lymph node conduit defects in laminin α4-deficient mice. JCI Insight 2023; 8:e167816. [PMID: 37092548 PMCID: PMC10243809 DOI: 10.1172/jci.insight.167816] [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: 12/06/2022] [Accepted: 03/03/2023] [Indexed: 04/25/2023] Open
Abstract
Fibroblastic reticular cells (FRCs) play important roles in tolerance by producing laminin α4 (Lama4) and altering lymph node (LN) structure and function. The present study revealed the specific roles of extracellular matrix Lama4 in regulating LN conduits using FRC-specific KO mouse strains. FRC-derived Lama4 maintained conduit fiber integrity, as its depletion altered conduit morphology and structure and reduced homeostatic conduit flow. Lama4 regulated the lymphotoxin β receptor (LTβR) pathway, which is critical for conduit and LN integrity. Depleting LTβR in FRCs further reduced conduits and impaired reticular fibers. Lama4 was indispensable for FRC generation and survival, as FRCs lacking Lama4 displayed reduced proliferation but upregulated senescence and apoptosis. During acute immunization, FRC Lama4 deficiency increased antigen flow through conduits. Importantly, adoptive transfer of WT FRCs to FRC Lama4-deficient mice rescued conduit structure, ameliorated Treg and chemokine distribution, and restored transplant allograft acceptance, which were all impaired by FRC Lama4 depletion. Single-cell RNA sequencing analysis of LN stromal cells indicated that the laminin and collagen signaling pathways linked crosstalk among FRC subsets and endothelial cells. This study demonstrated that FRC Lama4 is responsible for maintaining conduits by FRCs and can be harnessed to potentiate FRC-based immunomodulation.
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Affiliation(s)
- Lushen Li
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Long Wu
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Allison Kensiski
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Jing Zhao
- Transplantation Research Center, Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Marina W. Shirkey
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Yang Song
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Wenji Piao
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | | | | | - Samuel J. Gavzy
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Bing Ma
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Vikas Saxena
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Young S. Lee
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Yanbao Xiong
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Xiaofei Li
- Transplantation Research Center, Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Xiaoxuan Fan
- Flow Cytometry Shared Service, Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
| | - Reza Abdi
- Transplantation Research Center, Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jonathan S. Bromberg
- Department of Surgery, and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
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5
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Rivera CA, Lennon-Duménil AM. Gut immune cells and intestinal niche imprinting. Semin Cell Dev Biol 2023:S1084-9521(23)00006-X. [PMID: 36635104 DOI: 10.1016/j.semcdb.2023.01.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/30/2022] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
The intestine comprises the largest proportion of immune cells in the body. It is continuously exposed to new antigens and immune stimuli from the diet, microbiota but also from intestinal pathogens. In this review, we describe the main populations of immune cells present along the intestine, both from the innate and adaptive immune system. We later discuss how intestinal niches significantly impact the phenotype and function of gut immune populations at steady state and upon infection.
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Affiliation(s)
- Claudia A Rivera
- Institut Curie, INSERM U932, PSL Research University, 75005 Paris, France
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6
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Pezoldt J, Wiechers C, Zou M, Litovchenko M, Biocanin M, Beckstette M, Sitnik K, Palatella M, van Mierlo G, Chen W, Gardeux V, Floess S, Ebel M, Russeil J, Arampatzi P, Vafardanejad E, Saliba AE, Deplancke B, Huehn J. Postnatal expansion of mesenteric lymph node stromal cells towards reticular and CD34 + stromal cell subsets. Nat Commun 2022; 13:7227. [PMID: 36433946 PMCID: PMC9700677 DOI: 10.1038/s41467-022-34868-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 11/09/2022] [Indexed: 11/26/2022] Open
Abstract
Gut-draining mesenteric lymph nodes (LN) provide the framework to shape intestinal adaptive immune responses. Based on the transcriptional signatures established by our previous work, the composition and immunomodulatory function of LN stromal cells (SC) vary according to location. Here, we describe the single-cell composition and development of the SC compartment within mesenteric LNs derived from postnatal to aged mice. We identify CD34+ SC and fibroblastic reticular stromal cell (FRC) progenitors as putative progenitors, both supplying the typical rapid postnatal mesenteric LN expansion. We further establish the location-specific chromatin accessibility and DNA methylation landscape of non-endothelial SCs and identify a microbiota-independent core epigenomic signature, showing characteristic differences between SCs from mesenteric and skin-draining peripheral LNs. The epigenomic landscape of SCs points to dynamic expression of Irf3 along the differentiation trajectories of FRCs. Accordingly, a mesenchymal stem cell line acquires a Cxcl9+ FRC molecular phenotype upon lentiviral overexpression of Irf3, and the relevance of Irf3 for SC biology is further underscored by the diminished proportion of Ccl19+ and Cxcl9+ FRCs in LNs of Irf3-/- mice. Together, our data constitute a comprehensive transcriptional and epigenomic map of mesenteric LNSC development in early life and dissect location-specific, microbiota-independent properties of non-endothelial SCs.
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Affiliation(s)
- Joern Pezoldt
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany ,grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Carolin Wiechers
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Mangge Zou
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Maria Litovchenko
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Marjan Biocanin
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Michael Beckstette
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany ,grid.512472.7Department of Computational Biology for Individualised Medicine, Centre for Individualised Infection Medicine, Helmholtz Centre for Infection Research and Hannover Medical School, 30625 Hannover, Germany ,grid.7491.b0000 0001 0944 9128Genome Informatics Group, Bielefeld Institute for Bioinformatics Infrastructure, Department of Technology, Bielefeld University, 33615 Bielefeld, Germany
| | - Katarzyna Sitnik
- grid.6583.80000 0000 9686 6466Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Martina Palatella
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Guido van Mierlo
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Wanze Chen
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Vincent Gardeux
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Stefan Floess
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Maria Ebel
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Julie Russeil
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Panagiota Arampatzi
- grid.8379.50000 0001 1958 8658Core Unit Systems Medicine, University of Wuerzburg, 97080 Wuerzburg, Germany
| | - Ehsan Vafardanejad
- grid.498164.6Helmholtz Institute for RNA-based Infection Research (HIRI), Helmholtz Center for Infection Research (HZI), 97080 Würzburg, Germany
| | - Antoine-Emmanuel Saliba
- grid.498164.6Helmholtz Institute for RNA-based Infection Research (HIRI), Helmholtz Center for Infection Research (HZI), 97080 Würzburg, Germany
| | - Bart Deplancke
- grid.5333.60000000121839049Laboratory of Systems Biology and Genetics, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Jochen Huehn
- grid.7490.a0000 0001 2238 295XDepartment Experimental Immunology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany ,grid.10423.340000 0000 9529 9877Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, 30625 Hannover, Germany
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7
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Neuwirth T, Knapp K, Stary G. (Not) Home alone: Antigen presenting cell - T Cell communication in barrier tissues. Front Immunol 2022; 13:984356. [PMID: 36248804 PMCID: PMC9556809 DOI: 10.3389/fimmu.2022.984356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/13/2022] [Indexed: 11/30/2022] Open
Abstract
Priming of T cells by antigen presenting cells (APCs) is essential for T cell fate decisions, enabling T cells to migrate to specific tissues to exert their effector functions. Previously, these interactions were mainly explored using blood-derived cells or animal models. With great advances in single cell RNA-sequencing techniques enabling analysis of tissue-derived cells, it has become clear that subsets of APCs are responsible for priming and modulating heterogeneous T cell effector responses in different tissues. This composition of APCs and T cells in tissues is essential for maintaining homeostasis and is known to be skewed in infection and inflammation, leading to pathological T cell responses. This review highlights the commonalities and differences of T cell priming and subsequent effector function in multiple barrier tissues such as the skin, intestine and female reproductive tract. Further, we provide an overview of how this process is altered during tissue-specific infections which are known to cause chronic inflammation and how this knowledge could be harnessed to modify T cell responses in barrier tissue.
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Affiliation(s)
- Teresa Neuwirth
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Katja Knapp
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Georg Stary
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria
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8
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Shou Y, Johnson SC, Quek YJ, Li X, Tay A. Integrative lymph node-mimicking models created with biomaterials and computational tools to study the immune system. Mater Today Bio 2022; 14:100269. [PMID: 35514433 PMCID: PMC9062348 DOI: 10.1016/j.mtbio.2022.100269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/16/2022] [Accepted: 04/18/2022] [Indexed: 11/17/2022] Open
Abstract
The lymph node (LN) is a vital organ of the lymphatic and immune system that enables timely detection, response, and clearance of harmful substances from the body. Each LN comprises of distinct substructures, which host a plethora of immune cell types working in tandem to coordinate complex innate and adaptive immune responses. An improved understanding of LN biology could facilitate treatment in LN-associated pathologies and immunotherapeutic interventions, yet at present, animal models, which often have poor physiological relevance, are the most popular experimental platforms. Emerging biomaterial engineering offers powerful alternatives, with the potential to circumvent limitations of animal models, for in-depth characterization and engineering of the lymphatic and adaptive immune system. In addition, mathematical and computational approaches, particularly in the current age of big data research, are reliable tools to verify and complement biomaterial works. In this review, we first discuss the importance of lymph node in immunity protection followed by recent advances using biomaterials to create in vitro/vivo LN-mimicking models to recreate the lymphoid tissue microstructure and microenvironment, as well as to describe the related immuno-functionality for biological investigation. We also explore the great potential of mathematical and computational models to serve as in silico supports. Furthermore, we suggest how both in vitro/vivo and in silico approaches can be integrated to strengthen basic patho-biological research, translational drug screening and clinical personalized therapies. We hope that this review will promote synergistic collaborations to accelerate progress of LN-mimicking systems to enhance understanding of immuno-complexity.
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Key Words
- ABM, agent-based model
- APC, antigen-presenting cell
- BV, blood vessel
- Biomaterials
- CPM, Cellular Potts model
- Computational models
- DC, dendritic cell
- ECM, extracellular matrix
- FDC, follicular dendritic cell
- FRC, fibroblastic reticular cell
- Immunotherapy
- LEC, lymphatic endothelial cell
- LN, lymph node
- LV, lymphatic vessel
- Lymph node
- Lymphatic system
- ODE, ordinary differential equation
- PDE, partial differential equation
- PDMS, polydimethylsiloxane
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Affiliation(s)
- Yufeng Shou
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
| | - Sarah C. Johnson
- Department of Bioengineering, Stanford University, CA, 94305, USA
- Department of Bioengineering, Imperial College London, South Kensington, SW72AZ, UK
| | - Ying Jie Quek
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Singapore Immunology Network, Agency for Science, Technology and Research, 138648, Singapore
| | - Xianlei Li
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
| | - Andy Tay
- Department of Biomedical Engineering, National University of Singapore, 117583, Singapore
- Institute for Health Innovation & Technology, National University of Singapore, 117599, Singapore
- NUS Tissue Engineering Program, National University of Singapore, 117510, Singapore
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9
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Koning JJ, Rajaraman A, Reijmers RM, Konijn T, Pan J, Ware CF, Butcher EC, Mebius RE. Development of follicular dendritic cells in lymph nodes depends on retinoic acid-mediated signaling. Development 2021; 148:dev199713. [PMID: 34528674 PMCID: PMC8572003 DOI: 10.1242/dev.199713] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 09/09/2021] [Indexed: 11/20/2022]
Abstract
Specialized stromal cells occupy and help define B- and T-cell domains, which are crucial for proper functioning of our immune system. Signaling through lymphotoxin and TNF receptors is crucial for the development of different stromal subsets, which are thought to arise from a common precursor. However, mechanisms that control the selective generation of the different stromal phenotypes are not known. Using in vitro cultures of embryonic mouse stromal cells, we show that retinoic acid-mediated signaling is important for the differentiation of precursors towards the Cxcl13pos follicular dendritic cell (FDC) lineage, and also blocks lymphotoxin-mediated Ccl19pos fibroblastic reticular cell lineage differentiation. Accordingly, at the day of birth we observe the presence of Cxcl13posCcl19neg/low and Cxcl13neg/lowCcl19pos cells within neonatal lymph nodes. Furthermore, ablation of retinoic acid receptor signaling in stromal precursors early after birth reduces Cxcl13 expression, and complete blockade of retinoic acid signaling prevents the formation of FDC networks in lymph nodes.
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Affiliation(s)
- Jasper J. Koning
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, 1081HZ Amsterdam, the Netherlands
| | - Anusha Rajaraman
- Laboratory of Immunology and Vascular Biology, Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
- Palo Alto Veterans Institute for Research, Palo Alto, CA 94304, USA
| | - Rogier M. Reijmers
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, 1081HZ Amsterdam, the Netherlands
| | - Tanja Konijn
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, 1081HZ Amsterdam, the Netherlands
| | - Junliang Pan
- Laboratory of Immunology and Vascular Biology, Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
- Palo Alto Veterans Institute for Research, Palo Alto, CA 94304, USA
| | - Carl F. Ware
- Infectious and Inflammatory Diseases Research Center, Laboratory of Molecular Immunology, Sanford Burnham Medical Research Institute, La Jolla, CA 92037, USA
| | - Eugene C. Butcher
- Laboratory of Immunology and Vascular Biology, Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
- Palo Alto Veterans Institute for Research, Palo Alto, CA 94304, USA
- The Center for Molecular Biology and Medicine, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA
| | - Reina E. Mebius
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, 1081HZ Amsterdam, the Netherlands
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10
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Shaikh H, Vargas JG, Mokhtari Z, Jarick KJ, Ulbrich M, Mosca JP, Viera EA, Graf C, Le DD, Heinze KG, Büttner-Herold M, Rosenwald A, Pezoldt J, Huehn J, Beilhack A. Mesenteric Lymph Node Transplantation in Mice to Study Immune Responses of the Gastrointestinal Tract. Front Immunol 2021; 12:689896. [PMID: 34381447 PMCID: PMC8352558 DOI: 10.3389/fimmu.2021.689896] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 07/08/2021] [Indexed: 02/02/2023] Open
Abstract
Mesenteric lymph nodes (mLNs) are sentinel sites of enteral immunosurveillance and immune homeostasis. Immune cells from the gastrointestinal tract (GIT) are constantly recruited to the mLNs in steady-state and under inflammatory conditions resulting in the induction of tolerance and immune cells activation, respectively. Surgical dissection and transplantation of lymph nodes (LN) is a technique that has supported seminal work to study LN function and is useful to investigate resident stromal and endothelial cell biology and their cellular interactions in experimental disease models. Here, we provide a detailed protocol of syngeneic mLN transplantation and report assays to analyze effective mLN engraftment in congenic recipients. Transplanted mLNs allow to study T cell activation and proliferation in preclinical mouse models. Donor mLNs proved viable and functional after surgical transplantation and regenerated blood and lymphatic vessels. Immune cells from the host completely colonized the transplanted mLNs within 7-8 weeks after the surgical intervention. After allogeneic hematopoietic cell transplantation (allo-HCT), adoptively transferred allogeneic CD4+ T cells from FVB/N (H-2q) mice homed to the transplanted mLNs in C57BL/6 (H-2b) recipients during the initiation phase of acute graft-versus-host disease (aGvHD). These CD4+ T cells retained full proliferative capacity and upregulated effector and gut homing molecules comparable to those in mLNs from unmanipulated wild-type recipients. Wild type mLNs transplanted into MHCII deficient syngeneic hosts sufficed to activate alloreactive T cells upon allogeneic hematopoietic cell transplantation, even in the absence of MHCII+ CD11c+ myeloid cells. These data support that orthotopically transplanted mLNs maintain physiological functions after transplantation. The technique of LN transplantation can be applied to study migratory and resident cell compartment interactions in mLNs as well as immune reactions from and to the gut under inflammatory and non-inflammatory conditions.
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Affiliation(s)
- Haroon Shaikh
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
- Graduate School of Life Sciences, Würzburg University, Würzburg, Germany
| | - Juan Gamboa Vargas
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
- Graduate School of Life Sciences, Würzburg University, Würzburg, Germany
| | - Zeinab Mokhtari
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
| | - Katja J. Jarick
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
- Graduate School of Life Sciences, Würzburg University, Würzburg, Germany
| | - Maria Ulbrich
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
| | - Josefina Peña Mosca
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
- Graduate School of Life Sciences, Würzburg University, Würzburg, Germany
| | - Estibaliz Arellano Viera
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
| | - Caroline Graf
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
| | - Duc-Dung Le
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
| | - Katrin G. Heinze
- Graduate School of Life Sciences, Würzburg University, Würzburg, Germany
- Rudolf Virchow Center, Julius-Maximilians-University Würzburg, Würzburg, Germany
| | - Maike Büttner-Herold
- Department of Nephropathology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Andreas Rosenwald
- Institute of Pathology, Julius-Maximilians-University Würzburg, Würzburg, Germany
- Comprehensive Cancer Centre Mainfranken, Würzburg University Hospital, Würzburg, Germany
| | - Joern Pezoldt
- Laboratory of Systems Biology and Genetics, Institute of Bioengineering, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Jochen Huehn
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
- Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
| | - Andreas Beilhack
- Interdisciplinary Center for Clinical Research (IZKF) Experimental Stem Cell Transplantation Laboratory, Würzburg University Hospital, Würzburg, Germany
- Department of Internal Medicine II, Würzburg University Hospital, Würzburg, Germany
- Graduate School of Life Sciences, Würzburg University, Würzburg, Germany
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11
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Bos AV, Erkelens MN, Koenders STA, van der Stelt M, van Egmond M, Mebius RE. Clickable Vitamins as a New Tool to Track Vitamin A and Retinoic Acid in Immune Cells. Front Immunol 2021; 12:671283. [PMID: 34305901 PMCID: PMC8298001 DOI: 10.3389/fimmu.2021.671283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/02/2021] [Indexed: 01/24/2023] Open
Abstract
The vitamin A derivative, retinoid acid (RA) is key player in guiding adaptive mucosal immune responses. However, data on the uptake and metabolism of vitamin A within human immune cells has remained largely elusive because retinoids are small, lipophilic molecules which are difficult to detect. To overcome this problem and to be able to study the effect of vitamin A metabolism in human immune cell subsets, we have synthesized novel bio-orthogonal retinoid-based probes (clickable probes), which are structurally and functionally indistinguishable from vitamin A. The probes contain a functional group (an alkyne) to conjugate to a fluorogenic dye to monitor retinoid molecules in real-time in immune cells. We demonstrate, by using flow cytometry and microscopy, that multiple immune cells have the capacity to internalize retinoids to varying degrees, including human monocyte-derived dendritic cells (DCs) and naïve B lymphocytes. We observed that naïve B cells lack the enzymatic machinery to produce RA, but use exogenous retinoic acid to enhance CD38 expression. Furthermore, we showed that human DCs metabolize retinal into retinoic acid, which in co-culture with naïve B cells led to of the induction of CD38 expression. These data demonstrate that in humans, DCs can serve as an exogenous source of RA for naïve B cells. Taken together, through the use of clickable vitamins our data provide valuable insight in the mechanism of vitamin A metabolism and its importance for human adaptive immunity.
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Affiliation(s)
- Amelie V Bos
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Martje N Erkelens
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Sebastiaan T A Koenders
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands
| | - Mario van der Stelt
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands.,Department of Surgery, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
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12
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Nadafi R, Gago de Graça C, Keuning ED, Koning JJ, de Kivit S, Konijn T, Henri S, Borst J, Reijmers RM, van Baarsen LGM, Mebius RE. Lymph Node Stromal Cells Generate Antigen-Specific Regulatory T Cells and Control Autoreactive T and B Cell Responses. Cell Rep 2021; 30:4110-4123.e4. [PMID: 32209472 DOI: 10.1016/j.celrep.2020.03.007] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/13/2020] [Accepted: 02/28/2020] [Indexed: 12/17/2022] Open
Abstract
Within lymph nodes (LNs), T follicular helper (TFH) cells help B cells to produce antibodies, which can either be protective or autoreactive. Here, we demonstrate that murine LN stromal cells (LNSCs) suppress the formation of autoreactive TFH cells in an antigen-specific manner, thereby significantly reducing germinal center B cell responses directed against the same self-antigen. Mechanistically, LNSCs express and present self-antigens in major histocompatibility complex (MHC) class II, leading to the conversion of naive CD4+ T cells into T regulatory (TREG) cells in an interleukin-2 (IL-2)-dependent manner. Upon blockade of TREG cells, using neutralizing IL-2 antibodies, autoreactive TFH cells are allowed to develop. We conclude that the continuous presentation of self-antigens by LNSCs is critical to generate antigen-specific TREG cells, thereby repressing the formation of TFH cells and germinal center B cell responses. Our findings uncover the ability of LNSCs to suppress the early activation of autoreactive immune cells and maintain peripheral tolerance.
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Affiliation(s)
- Reza Nadafi
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands; Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands
| | - Catarina Gago de Graça
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Eelco D Keuning
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Jasper J Koning
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Sander de Kivit
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands; Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | - Tanja Konijn
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Sandrine Henri
- Centre d'Immunologie de Marseille-Luminy, Aix Marseille Universite, INSERM, CNRS, 13288 Marseille, France
| | - Jannie Borst
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, the Netherlands; Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | - Rogier M Reijmers
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Lisa G M van Baarsen
- Department of Rheumatology and Clinical Immunology and Department of Experimental Immunology, Amsterdam Infection and Immunity Institute, Amsterdam UMC and University of Amsterdam, Amsterdam, the Netherlands; Amsterdam Rheumatology and Immunology Center (ARC), Academic Medical Center, Amsterdam, the Netherlands
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands.
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13
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Zou M, Wiechers C, Huehn J. Lymph node stromal cell subsets-Emerging specialists for tailored tissue-specific immune responses. Int J Med Microbiol 2021; 311:151492. [PMID: 33676241 DOI: 10.1016/j.ijmm.2021.151492] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 02/04/2021] [Accepted: 02/23/2021] [Indexed: 12/17/2022] Open
Abstract
The effective priming of adaptive immune responses depends on the precise dispatching of lymphocytes and antigens into and within lymph nodes (LNs), which are strategically dispersed throughout the body. Over the past decade, a growing body of evidence has advanced our understanding of lymph node stromal cells (LNSCs) from viewing them as mere accessory cells to seeing them as critical cellular players for the modulation of adaptive immune responses. In this review, we summarize current advances on the pivotal roles that LNSCs play in orchestrating adaptive immune responses during homeostasis and infection, and highlight the imprinting of location-specific information by micro-environmental cues into LNSCs, thereby tailoring tissue-specific immune responses.
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Affiliation(s)
- Mangge Zou
- Department Experimental Immunology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124 Braunschweig, Germany
| | - Carolin Wiechers
- Department Experimental Immunology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124 Braunschweig, Germany
| | - Jochen Huehn
- Department Experimental Immunology, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124 Braunschweig, Germany; Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
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14
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von Lintig J, Moon J, Lee J, Ramkumar S. Carotenoid metabolism at the intestinal barrier. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158580. [PMID: 31794861 PMCID: PMC7987234 DOI: 10.1016/j.bbalip.2019.158580] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 12/17/2022]
Abstract
Carotenoids exert a rich variety of physiological functions in mammals and are beneficial for human health. These lipids are acquired from the diet and metabolized to apocarotenoids, including retinoids (vitamin A and its metabolites). The small intestine is a major site for their absorption and bioconversion. From here, carotenoids and their metabolites are distributed within the body in triacylglycerol-rich lipoproteins to support retinoid signaling in peripheral tissues and photoreceptor function in the eyes. In recent years, much progress has been made in identifying carotenoid metabolizing enzymes, transporters, and binding proteins. A diet-responsive regulatory network controls the activity of these components and adapts carotenoid absorption and bioconversion to the bodily requirements of these lipids. Genetic variability in the genes encoding these components alters carotenoid homeostasis and is associated with pathologies. We here summarize the advanced state of knowledge about intestinal carotenoid metabolism and its impact on carotenoid and retinoid homeostasis of other organ systems, including the eyes, liver, and immune system. The implication of the findings for science-based intake recommendations for these essential dietary lipids is discussed. This article is part of a Special Issue entitled Carotenoids recent advances in cell and molecular biology edited by Johannes von Lintig and Loredana Quadro.
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Affiliation(s)
- Johannes von Lintig
- Department of Pharmacology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, United States of America.
| | - Jean Moon
- Department of Pharmacology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, United States of America
| | - Joan Lee
- Department of Pharmacology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, United States of America
| | - Srinivasagan Ramkumar
- Department of Pharmacology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, United States of America
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15
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Mayer JU, Brown SL, MacDonald AS, Milling SW. Defined Intestinal Regions Are Drained by Specific Lymph Nodes That Mount Distinct Th1 and Th2 Responses Against Schistosoma mansoni Eggs. Front Immunol 2020; 11:592325. [PMID: 33193437 PMCID: PMC7644866 DOI: 10.3389/fimmu.2020.592325] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 10/01/2020] [Indexed: 12/04/2022] Open
Abstract
The balance of type 1 and type 2 immune responses plays a crucial role in anti-helminth immunity and can either support chronic infection or drive type 2 mediated expulsion of the parasite. Helminth antigens and secreted molecules directly influence this balance and induce a favorable immunological environment for the parasite’s survival. However, less is known if the site of infection also influences the balance of type 1 and type 2 immunity. Here, we report that tissue-specific immune responses are mounted against helminth antigens, which elicited strong IL-4 responses when injected into the skin, while the same antigen, delivered into the intestinal subserosa, induced increased IFN-γ and reduced Th2 responses. Immune responses in individual mesenteric lymph nodes that drain defined regions of the intestine furthermore displayed a site-specific pattern of type 1 and type 2 immunity after Schistosoma mansoni or Heligmosomoides polygyrus infection. S. mansoni egg-specific Th2 responses were detectable in all mesenteric lymph nodes but Th1 responses were only present in those draining the colon, while H. polygyrus infection elicited mixed Th1 and Th2 responses in the lymph nodes associated with the site of infection. Similar site-specific type 1 and type 2 immune responses were observed in the draining lymph nodes after the controlled delivery of S. mansoni eggs into different segments of the small and large intestine using microsurgical techniques. Different subsets of intestinal dendritic cells were hereby responsible for the uptake and priming of Th1 and Th2 responses against helminth antigens. Migratory CD11b+CD103− and especially CD11b+CD103+ DC2s transported S. mansoni egg antigens to the draining lymph nodes to induce Th1 and Th2 responses, while CD103+ DC1s induced only IFN-γ responses. In contrast, H. polygyrus antigens were predominantly transported by CD11b+CD103− DC2s and CD103+ DC1s and all DC subsets induced similar Th1 but weaker Th2 responses, compared to S. mansoni egg antigens. The development of adaptive anti-helminth immune responses is therefore influenced by the antigen itself, the uptake and priming characteristics of antigen-positive dendritic cell subsets and the site of infection, which shape the level of Th1 and Th2 responses in order to create a favorable immunological environment for the parasite.
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Affiliation(s)
- Johannes U Mayer
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, United Kingdom.,Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Sheila L Brown
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Andrew S MacDonald
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Simon W Milling
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, United Kingdom
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16
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Fletcher AL, Baker AT, Lukacs-Kornek V, Knoblich K. The fibroblastic T cell niche in lymphoid tissues. Curr Opin Immunol 2020; 64:110-116. [PMID: 32497868 DOI: 10.1016/j.coi.2020.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 12/22/2022]
Abstract
Fibroblastic reticular cells (FRCs) are a necessary immunological component for T cell health. These myofibroblasts are specialized for immune cell support and develop in locations where T and B lymphocyte priming occurs, usually secondary lymphoid organs, but also tertiary lymphoid structures and sites of chronic inflammation. This review describes their dual supportive and suppressive functions and emerging evidence on the co-ordination required to balance these competing roles.
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Affiliation(s)
- Anne L Fletcher
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Australia; Institute of Immunology and Immunotherapy, University of Birmingham, UK.
| | - Alfie T Baker
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Australia
| | - Veronika Lukacs-Kornek
- Institute of Experimental Immunology, Rheinische-Friedrichs-Wilhelms University of Bonn, 53127, Bonn, Germany
| | - Konstantin Knoblich
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Australia; Institute of Immunology and Immunotherapy, University of Birmingham, UK
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17
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Koning JJ, Mebius RE. Stromal cells and immune cells involved in formation of lymph nodes and their niches. Curr Opin Immunol 2020; 64:20-25. [PMID: 32325389 DOI: 10.1016/j.coi.2020.03.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 03/02/2020] [Accepted: 03/10/2020] [Indexed: 12/26/2022]
Abstract
Secondary lymphoid organs are critical for efficient interaction between innate antigen presenting cells and adaptive lymphocytes in order to start adaptive immune responses. The efficiency by which these cellular subsets meet is highly increased by the orchestrating role of stromal cells within the secondary lymphoid organs. These cells provide cytokines, chemokines and cell surface receptors necessary for survival and guided migration. This increases the likelihood that antigen specific adaptive immune responses occur. Already from initial formation of secondary lymphoid organs, the interaction of immune cells with stromal cells is crucial and this interaction continues during immune activation. With the recent discovery of many stromal cell subsets new immune micro-niches with specific functions that are orchestrated by stromal cells will be discovered. Here, we will discuss how the development of lymph nodes as well as their specific niches is guided by the interaction of immune cells and stromal cells.
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Affiliation(s)
- Jasper J Koning
- Amsterdam UMC, VU University of Amsterdam, Department of Molecular Cell Biology and Immunology, Amsterdam Infection and Immunity Institute, Amsterdam, Netherlands
| | - Reina E Mebius
- Amsterdam UMC, VU University of Amsterdam, Department of Molecular Cell Biology and Immunology, Amsterdam Infection and Immunity Institute, Amsterdam, Netherlands.
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18
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Abstract
The gut-associated lymphoid tissue (GALT) faces a considerable challenge. It encounters antigens derived from an estimated 1014 commensal microbes and greater than 30 kg of food proteins yearly. It must distinguish these harmless antigens from potential pathogens and mount the appropriate host immune response. Local and systemic hyporesponsiveness to dietary antigens, classically referred to as oral tolerance, comprises a distinct complement of adaptive cellular and humoral immune responses. It is increasingly evident that a functional epithelial barrier engaged in intimate interplay with innate immune cells and the resident microbiota is critical to establishing and maintaining oral tolerance. Moreover, innate immune cells serve as a bridge between the microbiota, epithelium, and the adaptive immune system, parlaying tonic microbial stimulation into signals critical for mucosal homeostasis. Dysregulation of gut homeostasis and the subsequent disruption of tolerance therefore have clinically significant consequences for the development of food allergy.
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Affiliation(s)
- Onyinye I Iweala
- UNC Food Allergy Initiative and Thurston Arthritis Research Center, Division of Rheumatology, Allergy, and Immunology, The University of North Carolina at Chapel Hill, North Carolina 27599-7280, USA;
| | - Cathryn R Nagler
- Department of Pathology, Biological Sciences Division, University of Chicago, Chicago, Illinois 60637-1824, USA;
- Committee on Immunology, Biological Sciences Division, University of Chicago, Chicago, Illinois 60637-1824, USA
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19
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Christensen D, Bøllehuus Hansen L, Leboux R, Jiskoot W, Christensen JP, Andersen P, Dietrich J. A Liposome-Based Adjuvant Containing Two Delivery Systems with the Ability to Induce Mucosal Immunoglobulin A Following a Parenteral Immunization. ACS NANO 2019; 13:1116-1126. [PMID: 30609354 DOI: 10.1021/acsnano.8b05209] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Worldwide, enteric infections rank third among all causes of disease burdens, and vaccines able to induce a strong and long-lasting intestinal immune responses are needed. Parenteral immunization generally do not generate intestinal IgA. Recently, however, injections of retinoic acid (RA) dissolved in oil, administered multiple times before vaccination to precondition the vaccine-draining lymph nodes, enabled a parenteral vaccine strategy to induce intestinal IgA. As multiple injections of RA before vaccination is not an attractive strategy for clinical practice, we aimed to develop a "one injection" vaccine formulation that upon parenteral administration induced intestinal IgA. Our vaccine formulation contained two liposomal delivery systems. One delivery system, based on 1,2-distearoyl- sn-glycero-3-phosphocholine stabilized with PEG, was designed to exhibit fast drainage of RA to local lymph nodes to precondition these for a mucosal immune response before being subjected to the vaccine antigen. The other delivery system, based on the cationic liposomal adjuvant CAF01 stabilized with cholesterol, was optimized for prolonged delivery of the antigen by migratory antigen-presenting cells to the preconditioned lymph node. Combined we call the adjuvant CAF23. We show that CAF23, administered by the subcutaneous route induces an antigen specific intestinal IgA response, making it a promising candidate adjuvant for vaccines against enteric diseases.
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Affiliation(s)
- Dennis Christensen
- Department for Infectious Disease Immunology , Statens Serum Institut , Artillerivej 5 , DK-2300 Copenhagen , Denmark
| | - Lasse Bøllehuus Hansen
- Department of Growth and Reproduction , Rigshospitalet , Juliane Maries Vej 6 , DK-2100 Copenhagen , Denmark
| | - Romain Leboux
- Department for Infectious Disease Immunology , Statens Serum Institut , Artillerivej 5 , DK-2300 Copenhagen , Denmark
- Division of Bio-therapeutics , Leiden University , Einsteinweg 55 , NL 2333 Leiden , Holland
| | - Wim Jiskoot
- Division of Bio-therapeutics , Leiden University , Einsteinweg 55 , NL 2333 Leiden , Holland
| | - Jan Pravsgaard Christensen
- Department of Immunology and Microbiology , University of Copenhagen , Blegdamsvej 3C , DK-2200 Copenhagen , Denmark
| | - Peter Andersen
- Department for Infectious Disease Immunology , Statens Serum Institut , Artillerivej 5 , DK-2300 Copenhagen , Denmark
| | - Jes Dietrich
- Department for Infectious Disease Immunology , Statens Serum Institut , Artillerivej 5 , DK-2300 Copenhagen , Denmark
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20
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Stagg AJ. Intestinal Dendritic Cells in Health and Gut Inflammation. Front Immunol 2018; 9:2883. [PMID: 30574151 PMCID: PMC6291504 DOI: 10.3389/fimmu.2018.02883] [Citation(s) in RCA: 137] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 11/23/2018] [Indexed: 12/19/2022] Open
Abstract
Dendritic cells (DCs) mediate tolerance to food antigens, limit reactivity to the gut microbiota and are required for optimal response to intestinal pathogens. Intestinal DCs are heterogeneous but collectively generate both regulatory and effector T cell responses. The balance of outcomes is determined by the activity of functionally distinct DC subsets and their modulation by environmental cues. DCs constantly sample luminal content to monitor for pathogens; the significance of the various pathways by which this occurs is incompletely understood. Intestinal DC have distinctive properties shaped by local host, dietary and microbial signals. These properties include the ability to produce all-trans retinoic acid (RA) and imprint gut tropism on T cells they activate. In the steady-state, subsets of intestinal DC are potent generators of inducible Treg, aided by their ability to activate TGFβ and produce RA. However, responses induced by steady-state intestinal DCs are not exclusively regulatory in nature; effector T cells with specificity for commensal bacterial can be found in the healthy mucosa and these can be locally controlled to prevent inflammation. The ability of intestinal DCs to enhance effector responses in infection or sustain inflammation in disease is likely to involve both modulation of the local DC population and recruitment of additional populations. Immune pathways in the pathogenesis of inflammatory bowel disease can be mapped to DCs and in inflamed intestinal tissue, DCs show increased expression of microbial recognition machinery, activation, and production of key immunological mediators. Intestinal DCs may be targeted for disease therapy or to improve vaccine responses.
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Affiliation(s)
- Andrew J Stagg
- Centre for Immunobiology, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
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21
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Huang Z, Liu Y, Qi G, Brand D, Zheng SG. Role of Vitamin A in the Immune System. J Clin Med 2018; 7:E258. [PMID: 30200565 PMCID: PMC6162863 DOI: 10.3390/jcm7090258] [Citation(s) in RCA: 263] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 08/23/2018] [Accepted: 08/31/2018] [Indexed: 12/20/2022] Open
Abstract
Vitamin A (VitA) is a micronutrient that is crucial for maintaining vision, promoting growth and development, and protecting epithelium and mucus integrity in the body. VitA is known as an anti-inflammation vitamin because of its critical role in enhancing immune function. VitA is involved in the development of the immune system and plays regulatory roles in cellular immune responses and humoral immune processes. VitA has demonstrated a therapeutic effect in the treatment of various infectious diseases. To better understand the relationship between nutrition and the immune system, the authors review recent literature about VitA in immunity research and briefly introduce the clinical application of VitA in the treatment of several infectious diseases.
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Affiliation(s)
- Zhiyi Huang
- Department of Pathology and Physiopathology, Guilin Medical University, Guilin 541004, Guangxi, China.
- Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541004, Guangxi, China.
| | - Yu Liu
- Department of Pathology and Physiopathology, Guilin Medical University, Guilin 541004, Guangxi, China.
- Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541004, Guangxi, China.
| | - Guangying Qi
- Department of Pathology and Physiopathology, Guilin Medical University, Guilin 541004, Guangxi, China.
- Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541004, Guangxi, China.
| | - David Brand
- Research Service, VA Medical Center, Memphis, TN 38104, USA.
| | - Song Guo Zheng
- Department of Medicine, Division of Rheumatology, Milton S. Hershey Medical Center at Penn State University, Hershey, PA 17033, USA.
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22
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Xiao L, Leusink-Muis T, Kettelarij N, van Ark I, Blijenberg B, Hesen NA, Stahl B, Overbeek SA, Garssen J, Folkerts G, Van't Land B. Human Milk Oligosaccharide 2'-Fucosyllactose Improves Innate and Adaptive Immunity in an Influenza-Specific Murine Vaccination Model. Front Immunol 2018; 9:452. [PMID: 29593719 PMCID: PMC5854647 DOI: 10.3389/fimmu.2018.00452] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 02/20/2018] [Indexed: 12/21/2022] Open
Abstract
Background Human milk is uniquely suited to provide optimal nutrition and immune protection to infants. Human milk oligosaccharides are structural complex and diverse consisting of short chain and long chain oligosaccharides typically present in a 9:1 ratio. 2′-Fucosyllactose (2′FL) is one of the most prominent short chain oligosaccharides and is associated with anti-infective capacity of human milk. Aim To determine the effect of 2′FL on vaccination responsiveness (both innate and adaptive) in a murine influenza vaccination model and elucidate mechanisms involved. Methods A dose range of 0.25–5% (w/w) dietary 2′FL was provided to 6-week-old female C57Bl/6JOlaHsd mice 2 weeks prior primary and booster vaccination until the end of the experiment. Intradermal (i.d.) challenge was performed to measure the vaccine-specific delayed-type hypersensitivity (DTH). Antigen-specific antibody levels in serum as well as immune cell populations within several organs were evaluated using ELISA and flow cytometry, respectively. In an ex vivo restimulation assay, spleen cells were cocultured with influenza-loaded bone marrow-derived dendritic cells (BMDCs) to study the effects of 2′FL on vaccine-specific CD4+ and CD8+ T-cell proliferation and cytokine secretions. Furthermore, the direct immune regulatory effects of 2′FL were confirmed using in vitro BMDCs T-cell cocultures. Results Dietary 2′FL significantly (p < 0.05) enhanced vaccine specific DTH responses accompanied by increased serum levels of vaccine-specific immunoglobulin (Ig) G1 and IgG2a in a dose-dependent manner. Consistently, increased activation marker (CD27) expression on splenic B-cells was detected in mice receiving 2′FL as compared to control mice. Moreover, proliferation of vaccine-specific CD4+ and CD8+ T-cells, as well as interferon-γ production after ex vivo restimulation were significantly increased in spleen cells of mice receiving 2′FL as compared to control mice, which were in line with changes detected within dendritic cell populations. Finally, we confirmed a direct effect of 2′FL on the maturation status and antigen presenting capacity of BMDCs. Conclusion Dietary intervention with 2′FL improves both humoral and cellular immune responses to vaccination in mice, which might be attributed in part to the direct effects of 2′FL on immune cell differentiation.
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Affiliation(s)
- Ling Xiao
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Thea Leusink-Muis
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Nienke Kettelarij
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands.,Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Ingrid van Ark
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Bernadet Blijenberg
- Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Nienke A Hesen
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Bernd Stahl
- Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Saskia A Overbeek
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands.,Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Johan Garssen
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands.,Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands
| | - Gert Folkerts
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Belinda Van't Land
- Department of Immunology, Human Milk Research, Nutricia Research, Utrecht, Netherlands.,Department of Paediatric Immunology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, Netherlands
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23
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Maiborodin IV, Morozov VV, Anikeev AA, Maslov RV, Figurenko NF, Matveeva VA, Maiborodina VI. Some Peculiarities of Local Distribution of Multipotent Mesenchymal Stromal Cells after Their Injection into Intact Muscle Tissue in Experiment. Bull Exp Biol Med 2018; 164:554-560. [PMID: 29504090 DOI: 10.1007/s10517-018-4031-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Indexed: 01/30/2023]
Abstract
Changes in the muscular tissue after subcutaneous injection of autologous bone marrow multipotent mesenchymal stromal cells transfected with GFP gene and additionally stained with cell membrane dye Vybrant CM-Dil in the projection of ligated femoral vein were studied by light microscopy with luminescence. Stromal cells injected through the skin can appear not only in the damaged tissue where acceleration of regeneration processes is required, but also in intact structures located in superficial or deeper layers. In intact muscular tissue, stromal cells spreading in the perivascular tissue initiate inflammation and migration of macrophages, activate and even trigger sclerotic processes due to differentiation into connective tissue cells (fibroblasts) and stimulation of proliferation and collagen synthesis by host fibroblasts. Injected multipotent mesenchymal stromal cells are gradually phagocytized by macrophages.
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Affiliation(s)
- I V Maiborodin
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia.
| | - V V Morozov
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - A A Anikeev
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - R V Maslov
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - N F Figurenko
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - V A Matveeva
- Center of New Medical Technologies, Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - V I Maiborodina
- Laboratory of Ultrastructural Bases of Pathology, Institute of Molecular Pathology and Pathomorphology, Novosibirsk, Russia
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24
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Leukocyte-Stromal Interactions Within Lymph Nodes. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1060:1-22. [PMID: 30155619 DOI: 10.1007/978-3-319-78127-3_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Lymph nodes play a crucial role in the formation and initiation of immune responses, allowing lymphocytes to efficiently scan for foreign antigens and serving as rendezvous points for leukocyte-antigen interactions. Here we describe the major stromal subsets found in lymph nodes, including fibroblastic reticular cells, lymphatic endothelial cells, blood endothelial cells, marginal reticular cells, follicular dendritic cells and other poorly defined subsets such as integrin alpha-7+ pericytes. We focus on biomedically relevant interactions with T cells, B cells and dendritic cells, describing pro-survival mechanisms of support for these cells, promotion of their migration and tolerance-inducing mechanisms that help keep the body free of autoimmune-mediated damage.
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25
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Larange A, Cheroutre H. Retinoic Acid and Retinoic Acid Receptors as Pleiotropic Modulators of the Immune System. Annu Rev Immunol 2017; 34:369-94. [PMID: 27168242 DOI: 10.1146/annurev-immunol-041015-055427] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Vitamin A is a multifunctional vitamin implicated in a wide range of biological processes. Its control over the immune system and functions are perhaps the most pleiotropic not only for development but also for the functional fate of almost every cell involved in protective or regulatory adaptive or innate immunity. This is especially key at the intestinal border, where dietary vitamin A is first absorbed. Most effects of vitamin A are exerted by its metabolite, retinoic acid (RA), which through ligation of nuclear receptors controls transcriptional expression of RA target genes. In addition to this canonical function, RA and RA receptors (RARs), either as ligand-receptor or separately, play extranuclear, nongenomic roles that greatly expand the multiple mechanisms employed for their numerous and paradoxical functions that ultimately link environmental sensing with immune cell fate. This review discusses RA and RARs and their complex roles in innate and adaptive immunity.
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Affiliation(s)
- Alexandre Larange
- Division of Developmental Immunology, La Jolla Institute for Allergy & Immunology, La Jolla, California 92037; ,
| | - Hilde Cheroutre
- Division of Developmental Immunology, La Jolla Institute for Allergy & Immunology, La Jolla, California 92037; ,
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26
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Gut memories do not fade: epigenetic regulation of lasting gut homing receptor expression in CD4 + memory T cells. Mucosal Immunol 2017; 10:1443-1454. [PMID: 28198363 DOI: 10.1038/mi.2017.7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 01/17/2017] [Indexed: 02/04/2023]
Abstract
The concept of a "topographical memory" in lymphocytes implies a stable expression of homing receptors mediating trafficking of lymphocytes back to the tissue of initial activation. However, a significant plasticity of the gut-homing receptor α4β7 was found in CD8+ T cells, questioning the concept. We now demonstrate that α4β7 expression in murine CD4+ memory T cells is, in contrast, imprinted and remains stable in the absence of the inducing factor retinoic acid (RA) or other stimuli from mucosal environments. Repetitive rounds of RA treatment enhanced the stability of de novo induced α4β7. A novel enhancer element in the murine Itga4 locus was identified that showed, correlating to stability, selective DNA demethylation in mucosa-seeking memory cells and methylation-dependent transcriptional activity in a reporter gene assay. This implies that epigenetic mechanisms contribute to the stabilization of α4β7 expression. Analogous DNA methylation patterns could be observed in the human ITGA4 locus, suggesting that its epigenetic regulation is conserved between mice and men. These data prove that mucosa-specific homing mediated by α4β7 is imprinted in CD4+ memory T cells, reinstating the validity of the concept of "topographical memory" for mucosal tissues, and imply a critical role of epigenetic mechanisms.
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27
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Vonk MM, Diks MAP, Wagenaar L, Smit JJ, Pieters RHH, Garssen J, van Esch BCAM, Knippels LMJ. Improved Efficacy of Oral Immunotherapy Using Non-Digestible Oligosaccharides in a Murine Cow's Milk Allergy Model: A Potential Role for Foxp3+ Regulatory T Cells. Front Immunol 2017; 8:1230. [PMID: 29033945 PMCID: PMC5626810 DOI: 10.3389/fimmu.2017.01230] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 09/19/2017] [Indexed: 01/05/2023] Open
Abstract
Background Oral immunotherapy (OIT) is a promising therapeutic approach to treat food allergic patients. However, there are some concerns regarding its safety and long-term efficacy. The use of non-digestible oligosaccharides might improve OIT efficacy since they are known to directly modulate intestinal epithelial and immune cells in addition to acting as prebiotics. Aim To investigate whether a diet supplemented with plant-derived fructo-oligosaccharides (FOS) supports the efficacy of OIT in a murine cow’s milk allergy model and to elucidate the potential mechanisms involved. Methods After oral sensitization to the cow’s milk protein whey, female C3H/HeOuJ mice were fed either a control diet or a diet supplemented with FOS (1% w/w) and received OIT (10 mg whey) 5 days a week for 3 weeks by gavage. Intradermal (i.d.) and intragastric (i.g.) challenges were performed to measure acute allergic symptoms and mast cell degranulation. Blood and organs were collected to measure antibody levels and T cell and dendritic cell populations. Spleen-derived T cell fractions (whole spleen- and CD25-depleted) were transferred to naïve recipient mice to confirm the involvement of regulatory T cells (Tregs) in allergy protection induced by OIT + FOS. Results OIT + FOS decreased acute allergic symptoms and mast cell degranulation upon challenge and prevented the challenge-induced increase in whey-specific IgE as observed in sensitized mice. Early induction of Tregs in the mesenteric lymph nodes (MLN) of OIT + FOS mice coincided with reduced T cell responsiveness in splenocyte cultures. CD25 depletion in OIT + FOS-derived splenocyte suspensions prior to transfer abolished protection against signs of anaphylaxis in recipients. OIT + FOS increased serum galectin-9 levels. No differences in short-chain fatty acid (SCFA) levels in the cecum were observed between the treatment groups. Concisely, FOS supplementation significantly improved OIT in the acute allergic skin response, %Foxp3+ Tregs and %LAP+ Th3 cells in MLN, and serum galectin-9 levels. Conclusion FOS supplementation improved the efficacy of OIT in cow’s milk allergic mice. Increased levels of Tregs in the MLN and abolished protection against signs of anaphylaxis upon transfer of CD25-depleted cell fractions, suggest a role for Foxp3+ Tregs in the protective effect of OIT + FOS.
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Affiliation(s)
- Marlotte M Vonk
- Faculty of Science, Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.,Immunology Platform, Nutricia Research, Utrecht, Netherlands
| | - Mara A P Diks
- Faculty of Science, Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Laura Wagenaar
- Faculty of Veterinary Medicine, Department of Immunotoxicology, Institute for Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands
| | - Joost J Smit
- Faculty of Veterinary Medicine, Department of Immunotoxicology, Institute for Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands
| | - Raymond H H Pieters
- Faculty of Veterinary Medicine, Department of Immunotoxicology, Institute for Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands
| | - Johan Garssen
- Faculty of Science, Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.,Immunology Platform, Nutricia Research, Utrecht, Netherlands
| | - Betty C A M van Esch
- Faculty of Science, Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.,Immunology Platform, Nutricia Research, Utrecht, Netherlands
| | - Léon M J Knippels
- Faculty of Science, Department of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands.,Immunology Platform, Nutricia Research, Utrecht, Netherlands
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28
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Pasztoi M, Pezoldt J, Beckstette M, Lipps C, Wirth D, Rohde M, Paloczi K, Buzas EI, Huehn J. Mesenteric lymph node stromal cell-derived extracellular vesicles contribute to peripheral de novo induction of Foxp3 + regulatory T cells. Eur J Immunol 2017; 47:2142-2152. [PMID: 28833065 PMCID: PMC5724490 DOI: 10.1002/eji.201746960] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 07/12/2017] [Accepted: 08/16/2017] [Indexed: 12/28/2022]
Abstract
Intestinal regulatory T cells (Tregs) are fundamental in peripheral tolerance toward commensals and food‐borne antigens. Accordingly, gut‐draining mesenteric lymph nodes (mLNs) represent a site of efficient peripheral de novo Treg induction when compared to skin‐draining peripheral LNs (pLNs), and we had recently shown that LN stromal cells substantially contribute to this process. Here, we aimed to unravel the underlying molecular mechanisms and generated immortalized fibroblastic reticular cell lines (iFRCs) from mLNs and pLNs, allowing unlimited investigation of this rare stromal cell subset. In line with our previous findings, mLN‐iFRCs showed a higher Treg‐inducing capacity when compared to pLN‐iFRCs. RNA‐seq analysis focusing on secreted molecules revealed a more tolerogenic phenotype of mLN‐ as compared to pLN‐iFRCs. Remarkably, mLN‐iFRCs produced substantial numbers of microvesicles (MVs) that carried elevated levels of TGF‐β when compared to pLN‐iFRC‐derived MVs, and these novel players of intercellular communication were shown to be responsible for the tolerogenic properties of mLN‐iFRCs. Thus, stromal cells originating from mLNs contribute to peripheral tolerance by fostering de novo Treg induction using TGF‐β‐carrying MVs. This finding provides novel insights into the subcellular/molecular mechanisms of de novo Treg induction and might serve as promising tool for future therapeutic applications to treat inflammatory disorders.
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Affiliation(s)
- Maria Pasztoi
- Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Joern Pezoldt
- Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Michael Beckstette
- Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Christoph Lipps
- Model Systems for Infection and Immunity, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Dagmar Wirth
- Model Systems for Infection and Immunity, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Manfred Rohde
- Central Facility for Microscopy, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Krisztina Paloczi
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Edit Iren Buzas
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Jochen Huehn
- Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
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29
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The role of the innate immune system in allergic contact dermatitis. Allergol Select 2017; 1:39-43. [PMID: 30402600 PMCID: PMC6039998 DOI: 10.5414/alx01274e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2009] [Accepted: 11/05/2009] [Indexed: 12/15/2022] Open
Abstract
Abstract. Allergic contact dermatitis is a Tcell mediated inflammatory skin disease that is caused by low molecular weight chemicals and metal ions. These contact allergens induce skin inflammation, an essential element of the sensitization process. Our understanding of the molecular mechanisms that underlie chemical-induced inflammation has improved significantly over the last years. The emerging picture shows that contact allergens activate known innate immune and stress responses that play a role in immune responses to infections. Contact allergens use innate immune receptors such as the Toll-like receptors TLR2 and TLR4 and the NOD-like receptor NLRP3 as part of the inflammasome as well as the induction of oxidative stress to induce skin inflammation. The detailed identification of the relevant signaling pathways and the mechanisms of their activation by contact allergens will most likely lead to more targeted therapeutic approaches by interference with these pathways. Moreover, this will help to refine existing, and to develop new in vitro assays for the identification of contact allergens, an important step to replace animal testing e.g. for ingredients of cosmetics which has been prohibited now by EU legislation.
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Parnell EA, Walch EM, Lo DD. Inducible Colonic M Cells Are Dependent on TNFR2 but Not Ltβr, Identifying Distinct Signalling Requirements for Constitutive Versus Inducible M Cells. J Crohns Colitis 2017; 11:751-760. [PMID: 27932454 PMCID: PMC5881705 DOI: 10.1093/ecco-jcc/jjw212] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 11/16/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS M cells associated with organised lymphoid tissues such as intestinal Peyer's patches provide surveillance of the intestinal lumen. Inflammation or infection in the colon can induce an M cell population associated with lymphoid infiltrates; paradoxically, induction is dependent on the inflammatory cytokine tumour necrosis factor [TNF]-α. Anti-TNFα blockade is an important therapeutic in inflammatory bowel disease, so understanding the effects of TNFα signalling is important in refining therapeutics. METHODS To dissect pro-inflammatory signals from M cell inductive signals, we used confocal microscopy image analysis to assess requirements for specific cytokine receptor signals using TNF receptor 1 [TNFR1] and 2 [TNFR2] knockouts [ko] back-crossed to the PGRP-S-dsRed transgene; separate groups were treated with soluble lymphotoxin β receptor [sLTβR] to block LTβR signalling. All groups were treated with dextran sodium sulphate [DSS] to induce colitis. RESULTS Deficiency of TNFR1 or TNFR2 did not prevent DSS-induced inflammation nor induction of stromal cell expression of receptor activator of nuclear factor kappa-B ligand [RANKL], but absence of TNFR2 prevented M cell induction. LTβR blockade had no effect on M cell induction, but it appeared to reduce RANKL induction below adjacent M cells. CONCLUSIONS TNFR2 is required for inflammation-inducible M cells, indicating that constitutive versus inflammation-inducible M cells depend on different triggers. The inducible M cell dependence on TNFR2 suggests that this specific subset is dependent on TNFα in addition to a presumed requirement for RANKL. Since inducible M cell function will influence immune responses, selective blockade of TNFα may affect colonic inflammation.
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Affiliation(s)
- Erinn A. Parnell
- Division of Biomedical Sciences, University of California Riverside School of Medicine,Riverside, CA, USA.
| | - Erin M. Walch
- Division of Biomedical Sciences, University of California Riverside School of Medicine,Riverside, CA, USA.
| | - David D. Lo
- Division of Biomedical Sciences, University of California Riverside School of Medicine,Riverside, CA, USA.
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Wagner RD, Johnson SJ. Probiotic bacteria prevent Salmonella - induced suppression of lymphoproliferation in mice by an immunomodulatory mechanism. BMC Microbiol 2017; 17:77. [PMID: 28356067 PMCID: PMC5372341 DOI: 10.1186/s12866-017-0990-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 03/23/2017] [Indexed: 11/25/2022] Open
Abstract
Background Salmonella enterica infections often exhibit a form of immune evasion. We previously observed that probiotic bacteria could prevent inhibition of lymphoproliferation and apoptosis responses of T cells associated with S. enterica infections in orally challenged mice. Results In this study, changes in expression of genes related to lymphocyte activation in mucosa-associated lymphoid tissues (MALT) of mice orally infected with S. enterica with and without treatment with probiotic bacteria were evaluated. Probiotic bacteria increased expression of mRNA for clusters of differentiation antigen 2 (Cd2), protein tyrosine phosphatase receptor type C (Ptprc), and Toll-like receptor 6 (Tlr6) genes related to T and B cell activation in mouse intestinal tissue. The probiotic bacteria were also associated with reduced mRNA expression of a group of genes (RelB, Myd88, Iκκa, Jun, Irak2) related to nuclear factor of kappa light chains enhancer in B cells (NF-κB) signal transduction pathway-regulated cytokine responses. Probiotic bacteria were also associated with reduced mRNA expression of apoptotic genes (Casp2, Casp12, Dad1, Akt1, Bad) that suggest high avidity lymphocyte sparing. Reduced CD2 immunostaining in mesenteric lymph nodes (MLN) was suggestive of reduced lymphocyte activation in probiotic-treated mice. Reduced immunostaining of TLR6 in MALT of probiotic-treated, S. enterica-infected mice suggests that diminished innate immune sensitivity to S. enterica antigens is associated with preventing lymphocyte deletion. Conclusions The results of this study are consistent with prevention of S. enterica-induced deletion of lymphocytes by the influence of probiotic bacteria in mucosal lymphoid tissues of mice.
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Affiliation(s)
- R Doug Wagner
- Microbiology Division, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR, 72079, USA.
| | - Shemedia J Johnson
- Microbiology Division, National Center for Toxicological Research, U.S. Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR, 72079, USA
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Erkelens MN, Mebius RE. Retinoic Acid and Immune Homeostasis: A Balancing Act. Trends Immunol 2017; 38:168-180. [PMID: 28094101 DOI: 10.1016/j.it.2016.12.006] [Citation(s) in RCA: 151] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/14/2016] [Accepted: 12/17/2016] [Indexed: 12/20/2022]
Abstract
In the immune system, the vitamin A metabolite retinoic acid (RA) is known for its role in inducing gut-homing molecules in T and B cells, inducing regulatory T cells (Tregs), and promoting tolerance. However, it was suggested that RA can have a broad spectrum of effector functions depending on the local microenvironment. Under specific conditions, RA can also promote an inflammatory environment. We discuss the dual role of RA in immune responses and how this might be regulated. Furthermore, we focus on the role of RA in autoimmune diseases and whether RA might be used as a therapeutic agent.
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Affiliation(s)
- Martje N Erkelens
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
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Abstract
Analogies between the immune and nervous systems were first envisioned by the immunologist Niels Jerne who introduced the concepts of antigen "recognition" and immune "memory". However, since then, it appears that only the cognitive immunology paradigm proposed by Irun Cohen, attempted to further theorize the immune system functions through the prism of neurosciences. The present paper is aimed at revisiting this analogy-based reasoning. In particular, a parallel is drawn between the brain pathways of visual perception and the processes allowing the global perception of an "immune object". Thus, in the visual system, distinct features of a visual object (shape, color, motion) are perceived separately by distinct neuronal populations during a primary perception task. The output signals generated during this first step instruct then an integrated perception task performed by other neuronal networks. Such a higher order perception step is by essence a cooperative task that is mandatory for the global perception of visual objects. Based on a re-interpretation of recent experimental data, it is suggested that similar general principles drive the integrated perception of immune objects in secondary lymphoid organs (SLOs). In this scheme, the four main categories of signals characterizing an immune object (antigenic, contextual, temporal and localization signals) are first perceived separately by distinct networks of immunocompetent cells. Then, in a multitude of SLO niches, the output signals generated during this primary perception step are integrated by TH-cells at the single cell level. This process eventually generates a multitude of T-cell and B-cell clones that perform, at the scale of SLOs, an integrated perception of immune objects. Overall, this new framework proposes that integrated immune perception and, consequently, integrated immune responses, rely essentially on clonal cooperation rather than clonal selection.
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Affiliation(s)
- Serge Nataf
- Bank of Tissues and Cells, Lyon University Hospital (Hospices Civils de Lyon), CarMeN Laboratory, INSERM 1060, INRA 1397, INSA Lyon, Université Claude Bernard Lyon-1, University Lyon-1, Lyon, France
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Koning JJ, Konijn T, Lakeman KA, O'Toole T, Kenswil KJG, Raaijmakers MHGP, Michurina TV, Enikolopov G, Mebius RE. Nestin-Expressing Precursors Give Rise to Both Endothelial as well as Nonendothelial Lymph Node Stromal Cells. THE JOURNAL OF IMMUNOLOGY 2016; 197:2686-94. [PMID: 27574301 DOI: 10.4049/jimmunol.1501162] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 08/02/2016] [Indexed: 01/01/2023]
Abstract
During embryogenesis, lymph nodes form through intimate interaction between lymphoid tissue inducer and lymphoid tissue organizer (LTo) cells. Shortly after birth in mice, specialized stromal cell subsets arise that organize microenvironments within the lymph nodes; however, their direct precursors have not yet been identified. In the bone marrow, mesenchymal stem cells are labeled with GFP in nestin-GFP mice, and we show that during all stages of development, nestin(+) cells are present within lymph nodes of these mice. At day of birth, both mesenchymal CD31(-) and endothelial CD31(+) LTo cells were GFP(+), and only the population of CD31(-) LTo cells contained mesenchymal precursors. These CD31(-)nestin(+) cells are found in the T and B cell zones or in close association with high endothelial venules in adult lymph nodes. Fate mapping of nestin(+) cells unambiguously revealed the contribution of nestin(+) precursor cells to the mesenchymal as well as the endothelial stromal populations within lymph nodes. However, postnatal tamoxifen induced targeting of nestin(+) cells in nes-creER mice showed that most endothelial cells and only a minority of the nonendothelial cells were labeled. Overall our data show that nestin(+) cells contribute to all subsets of the complex stromal populations that can be found in lymph nodes.
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Affiliation(s)
- Jasper J Koning
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands
| | - Tanja Konijn
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands
| | - Kim A Lakeman
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands
| | - Tom O'Toole
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands
| | - Keane J G Kenswil
- Department of Hematology, Erasmus University Medical Center, 3015 GE Rotterdam, the Netherlands; Erasmus Stem Cell Institute, Erasmus University Medical Center, 3015 GE Rotterdam, the Netherlands
| | - Marc H G P Raaijmakers
- Department of Hematology, Erasmus University Medical Center, 3015 GE Rotterdam, the Netherlands; Erasmus Stem Cell Institute, Erasmus University Medical Center, 3015 GE Rotterdam, the Netherlands
| | - Tatyana V Michurina
- Department of Anesthesiology, Stony Brook University, Stony Brook, NY 11794; Center for Developmental Genetics, Stony Brook University, Stony Brook, NY 11794; Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, NY 11724; and Department of Nano-, Bio-, Information, and Cognitive Sciences, Moscow Institute of Physics and Technology, 123182 Moscow, Russia
| | - Grigori Enikolopov
- Department of Anesthesiology, Stony Brook University, Stony Brook, NY 11794; Center for Developmental Genetics, Stony Brook University, Stony Brook, NY 11794; Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, NY 11724; and Department of Nano-, Bio-, Information, and Cognitive Sciences, Moscow Institute of Physics and Technology, 123182 Moscow, Russia
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands;
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Pezoldt J, Huehn J. Tissue-Specific Induction of CCR6 and Nrp1 During Early CD4 + T Cell Differentiation. Eur J Microbiol Immunol (Bp) 2016; 6:219-226. [PMID: 27766171 PMCID: PMC5063015 DOI: 10.1556/1886.2016.00018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 05/19/2016] [Indexed: 12/13/2022] Open
Abstract
Upon differentiation, T cells acquire tissue-specific homing properties allowing efficient targeting of effector T cells into distinct inflamed organs. Priming of T cells within skin-draining, peripheral lymph nodes (pLNs) leads to the expression of E- and P-selectin ligands, which facilitate migration into inflamed skin, whereas activation within gut-draining, mesenteric LNs (mLNs) results in induction of chemokine receptor CCR9 and integrin α4β7, both required for migration of effector T cells into mucosal tissues. In addition to the local tissue microenvironment, both organ-specific dendritic cells and LN-resident stromal cells are critical factors to shape T cell migration properties. Here, we identify two additional homing-related molecules, CCR6 and Neuropilin-1 (Nrp1), upregulated in T cells early during differentiation solely in pLNs, but not mLNs. Surprisingly, intestinal inflammation resulted in an ameliorated induction of CCR6 and Nrp1 in pLNs, suggesting that a local inflammation within the gut can systemically alter T cell differentiation. Finally, transplantation of mLNs to a skin-draining environment revealed that LN stromal cells also contribute to efficient CCR6 induction in pLNs. Collectively, these findings identify further aspects of early T cell differentiation within skin-draining pLNs, which could be utilized to further develop tailored and highly specialized vaccination strategies.
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Affiliation(s)
- Joern Pezoldt
- Department Experimental Immunology, Helmholtz Centre for Infection Research , 38124 Braunschweig, Germany
| | - Jochen Huehn
- Department Experimental Immunology, Helmholtz Centre for Infection Research , 38124 Braunschweig, Germany
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Kobayashi Y, Watanabe T. Gel-Trapped Lymphorganogenic Chemokines Trigger Artificial Tertiary Lymphoid Organs and Mount Adaptive Immune Responses In Vivo. Front Immunol 2016; 7:316. [PMID: 27597851 PMCID: PMC4992816 DOI: 10.3389/fimmu.2016.00316] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 08/05/2016] [Indexed: 12/22/2022] Open
Abstract
We previously generated artificial lymph node-like tertiary lymphoid organs (artTLOs) in mice using lymphotoxin α-expressing stromal cells. Here, we show the construction of transplantable and functional artTLOs by applying soluble factors trapped in slow-releasing gels in the absence of lymphoid tissue organizer stromal cells. The resultant artTLOs were easily removable, transplantable, and were capable of attracting memory B and T cells. Importantly, artTLOs induced a powerful antigen-specific secondary immune response, which was particularly pronounced in immune-compromised hosts. Synthesis of functionally stable immune tissues/organs like those described here may be a first step to eventually develop immune system-based therapeutics. Although much needs to be learned from the precise mechanisms of action, they may offer ways in the future to reestablish immune functions to overcome hitherto untreatable diseases, including severe infection, cancer, autoimmune diseases, and various forms of immune deficiencies, including immune-senescence during aging.
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Affiliation(s)
- Yuka Kobayashi
- The Tazuke-Kofukai Medical Research Institute, Kitano Hospital, Kita-ku , Osaka , Japan
| | - Takeshi Watanabe
- The Tazuke-Kofukai Medical Research Institute, Kitano Hospital, Kita-ku , Osaka , Japan
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37
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Chinthrajah RS, Hernandez JD, Boyd SD, Galli SJ, Nadeau KC. Molecular and cellular mechanisms of food allergy and food tolerance. J Allergy Clin Immunol 2016; 137:984-997. [PMID: 27059726 DOI: 10.1016/j.jaci.2016.02.004] [Citation(s) in RCA: 201] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 02/17/2016] [Accepted: 02/18/2016] [Indexed: 02/06/2023]
Abstract
Ingestion of innocuous antigens, including food proteins, normally results in local and systemic immune nonresponsiveness in a process termed oral tolerance. Oral tolerance to food proteins is likely to be intimately linked to mechanisms that are responsible for gastrointestinal tolerance to large numbers of commensal microbes. Here we review our current understanding of the immune mechanisms responsible for oral tolerance and how perturbations in these mechanisms might promote the loss of oral tolerance and development of food allergies. Roles for the commensal microbiome in promoting oral tolerance and the association of intestinal dysbiosis with food allergy are discussed. Growing evidence supports cutaneous sensitization to food antigens as one possible mechanism leading to the failure to develop or loss of oral tolerance. A goal of immunotherapy for food allergies is to induce sustained desensitization or even true long-term oral tolerance to food allergens through mechanisms that might in part overlap with those associated with the development of natural oral tolerance.
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Affiliation(s)
- R Sharon Chinthrajah
- Department of Medicine, Stanford University School of Medicine, Stanford, Calif; Department of Pediatrics, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, Calif
| | - Joseph D Hernandez
- Department of Pediatrics, Stanford University School of Medicine, Stanford, Calif; Department of Pathology, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, Calif
| | - Scott D Boyd
- Department of Pathology, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, Calif
| | - Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, Calif; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, Calif
| | - Kari C Nadeau
- Department of Medicine, Stanford University School of Medicine, Stanford, Calif; Department of Pediatrics, Stanford University School of Medicine, Stanford, Calif; Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, Calif.
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Colonic tolerance develops in the iliac lymph nodes and can be established independent of CD103(+) dendritic cells. Mucosal Immunol 2016; 9:894-906. [PMID: 26577569 PMCID: PMC4871788 DOI: 10.1038/mi.2015.118] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Accepted: 10/15/2015] [Indexed: 02/08/2023]
Abstract
Tolerance to harmless exogenous antigens is the default immune response in the gastrointestinal tract. Although extensive studies have demonstrated the importance of the mesenteric lymph nodes (MLNs) and intestinal CD103(+) dendritic cells (DCs) in driving small intestinal tolerance to protein antigen, the structural and immunological basis of colonic tolerance remain poorly understood. We show here that the caudal and iliac lymph nodes (ILNs) are inductive sites for distal colonic immune responses and that colonic T cell-mediated tolerance induction to protein antigen is initiated in these draining lymph nodes and not in MLNs. In agreement, colonic tolerance induction was not altered by mesenteric lymphadenectomy. Despite tolerance development, CD103(+)CD11b(+) DCs, which are the major migratory DC population in the MLNs, and the tolerance-related retinoic acid-generating enzyme RALDH2 were virtually absent from the ILNs. Administration of ovalbumin (OVA) to the distal colon did increase the number of CD11c(+)MHCII(hi) migratory CD103(-)CD11b(+) and CD103(+)CD11b(-) DCs in the ILNs. Strikingly, colonic tolerance was intact in Batf3-deficient mice specifically lacking CD103(+)CD11b(-) DCs, suggesting that CD103(-) DCs in the ILNs are sufficient to drive tolerance induction after protein antigen encounter in the distal colon. Altogether, we identify different inductive sites for small intestinal and colonic T-cell responses and reveal that distinct cellular mechanisms are operative to maintain tolerance at these sites.
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Bono MR, Tejon G, Flores-Santibañez F, Fernandez D, Rosemblatt M, Sauma D. Retinoic Acid as a Modulator of T Cell Immunity. Nutrients 2016; 8:E349. [PMID: 27304965 PMCID: PMC4924190 DOI: 10.3390/nu8060349] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 05/20/2016] [Accepted: 06/01/2016] [Indexed: 12/30/2022] Open
Abstract
Vitamin A, a generic designation for an array of organic molecules that includes retinal, retinol and retinoic acid, is an essential nutrient needed in a wide array of aspects including the proper functioning of the visual system, maintenance of cell function and differentiation, epithelial surface integrity, erythrocyte production, reproduction, and normal immune function. Vitamin A deficiency is one of the most common micronutrient deficiencies worldwide and is associated with defects in adaptive immunity. Reports from epidemiological studies, clinical trials and experimental studies have clearly demonstrated that vitamin A plays a central role in immunity and that its deficiency is the cause of broad immune alterations including decreased humoral and cellular responses, inadequate immune regulation, weak response to vaccines and poor lymphoid organ development. In this review, we will examine the role of vitamin A in immunity and focus on several aspects of T cell biology such as T helper cell differentiation, function and homing, as well as lymphoid organ development. Further, we will provide an overview of the effects of vitamin A deficiency in the adaptive immune responses and how retinoic acid, through its effect on T cells can fine-tune the balance between tolerance and immunity.
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Affiliation(s)
- Maria Rosa Bono
- Departamento de Biologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile.
| | - Gabriela Tejon
- Departamento de Biologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile.
| | - Felipe Flores-Santibañez
- Departamento de Biologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile.
| | - Dominique Fernandez
- Departamento de Biologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile.
| | - Mario Rosemblatt
- Departamento de Biologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile.
- Fundacion Ciencia & Vida, Santiago 7780272, Chile.
- Facultad de Ciencias Biologicas, Universidad Andres Bello, Santiago 8370146, Chile.
| | - Daniela Sauma
- Departamento de Biologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Santiago 7800003, Chile.
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Abstract
Secondary lymphoid tissues share the important function of bringing together antigens and rare antigen-specific lymphocytes to foster induction of adaptive immune responses. Peyer's patches (PPs) are unique compared to other secondary lymphoid tissues in their continual exposure to an enormous diversity of microbiome- and food-derived antigens and in the types of pathogens they encounter. Antigens are delivered to PPs by specialized microfold (M) epithelial cells and they may be captured and presented by resident dendritic cells (DCs). In accord with their state of chronic microbial antigen exposure, PPs exhibit continual germinal center (GC) activity. These GCs not only contribute to the generation of B cells and plasma cells producing somatically mutated gut antigen-specific IgA antibodies but have also been suggested to support non-specific antigen diversification of the B-cell repertoire. Here, we review current understanding of how PPs foster B-cell encounters with antigen, how they favor isotype switching to the secretory IgA isotype, and how their GC responses may uniquely contribute to mucosal immunity.
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Affiliation(s)
- Andrea Reboldi
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California San Francisco, San Francisco, CA, USA
| | - Jason G Cyster
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California San Francisco, San Francisco, CA, USA
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Sun YY, Peng S, Han L, Qiu J, Song L, Tsai Y, Yang B, Roden RBS, Trimble CL, Hung CF, Wu TC. Local HPV Recombinant Vaccinia Boost Following Priming with an HPV DNA Vaccine Enhances Local HPV-Specific CD8+ T-cell-Mediated Tumor Control in the Genital Tract. Clin Cancer Res 2015; 22:657-69. [PMID: 26420854 DOI: 10.1158/1078-0432.ccr-15-0234] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 09/15/2015] [Indexed: 11/16/2022]
Abstract
PURPOSE Two viral oncoproteins, E6 and E7, are expressed in all human papillomavirus (HPV)-infected cells, from initial infection in the genital tract to metastatic cervical cancer. Intramuscular vaccination of women with high-grade cervical intraepithelial neoplasia (CIN2/3) twice with a naked DNA vaccine, pNGVL4a-sig/E7(detox)/HSP70, and a single boost with HPVE6/E7 recombinant vaccinia vaccine (TA-HPV) elicited systemic HPV-specific CD8 T-cell responses that could traffic to the lesion and was associated with regression in some patients (NCT00788164). EXPERIMENTAL DESIGN Here, we examine whether alteration of this vaccination regimen by administration of TA-HPV vaccination in the cervicovaginal tract, rather than intramuscular (IM) delivery, can more effectively recruit antigen-specific T cells in an orthotopic syngeneic mouse model of HPV16(+) cervical cancer (TC-1 luc). RESULTS We found that pNGVL4a-sig/E7(detox)/HSP70 vaccination followed by cervicovaginal vaccination with TA-HPV increased accumulation of total and E7-specific CD8(+) T cells in the cervicovaginal tract and better controlled E7-expressing cervicovaginal TC-1 luc tumor than IM administration of TA-HPV. Furthermore, the E7-specific CD8(+) T cells in the cervicovaginal tract generated through the cervicovaginal route of vaccination expressed the α4β7 integrin and CCR9, which are necessary for the homing of the E7-specific CD8(+) T cells to the cervicovaginal tract. Finally, we show that cervicovaginal vaccination with TA-HPV can induce potent local HPV-16 E7 antigen-specific CD8(+) T-cell immune responses regardless of whether an HPV DNA vaccine priming vaccination was administered IM or within the cervicovaginal tract. CONCLUSIONS Our results support future clinical translation using cervicovaginal TA-HPV vaccination.
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Affiliation(s)
- Yun-Yan Sun
- Department of Obstetrics and Gynecology, Shanghai First People's Hospital, Shanghai Jiao Tong University, Shanghai, China. Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Shiwen Peng
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Liping Han
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jin Qiu
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Obstetrics and Gynecology, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China
| | - Liwen Song
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Obstetrics and Gynecology, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China
| | - Yachea Tsai
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Benjamin Yang
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Richard B S Roden
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Obstetrics and Gynecology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Cornelia L Trimble
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Obstetrics and Gynecology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Chien-Fu Hung
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - T-C Wu
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Obstetrics and Gynecology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Oncology, Johns Hopkins Medical Institutions, Baltimore, Maryland. Department of Molecular Microbiology and Immunology, Johns Hopkins Medical Institutions, Baltimore, Maryland.
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Abstract
PURPOSE OF REVIEW This review focuses on the known mechanisms of alloimmunity that occur after transplantation and what is being done in order to improve graft and patient survival, particularly in the long term. RECENT FINDINGS The presence of mismatched antigens and epitopes might relate directly to the development of de-novo donor-specific antibodies (DSA), and thus, rejection. In an abdominal wall transplant, the skin graft could be the first to show signs of rejection. The epithelial or endothelial cells are the main targets in acute and chronic rejection, respectively. Possible therapeutical targets are gut homing T cells and cells of the innate immune system. Chimerism development might mostly occur in isolated lymph nodes, but also in the epithelium, particularly after transplantation of bone marrow mesenchymal stromal cells. SUMMARY Ischemia-reperfusion, surgical injury, and bacterial translocation trigger the innate immune system, starting acute rejection. Interaction between donor and recipient immune cells generate injury and tolerance, which occur mostly in secondary lymphoid organs, lamina propria, and epithelium. Chronic rejection mostly affects the endothelial cells, generating graft dysfunction. DSA increase the risk of graft rejection both acutely and chronically, and the liver protects against their effects. Induction therapies deplete lymphocytes prior to implantation, and maintenance therapies inhibit T-cell expansion. Rejection rates are the lowest when depleting drugs and a combination of interleukin 2 receptor blockade, inhibition of T-cell expansion, and steroids are used as maintenance therapy. Chimerism and tolerogenic regiments that induce Tregs and prevent the development of DSA are important treatment goals for the future.
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Pasztoi M, Pezoldt J, Huehn J. Microenvironment Matters: Unique Conditions Within Gut-Draining Lymph Nodes Favor Efficient De Novo Induction of Regulatory T Cells. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2015; 136:35-56. [PMID: 26615091 DOI: 10.1016/bs.pmbts.2015.07.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The gastrointestinal tract constitutes the largest surface of the body and thus has developed multitude mechanisms to either prevent pathogen entry or to efficiently eliminate invading pathogens. At the same time, the gastrointestinal system has to avoid unwanted immune responses against self and harmless nonself antigens, such as nutrients and commensal microbiota. Therefore, it is somewhat not unexpected that the gastrointestinal mucosa serves as the largest repository of immune cells throughout the body, harboring both potent pro- as well as anti-inflammatory properties. One additional key element of this regulatory machinery is created by trillions of symbiotic commensal bacteria in the gut. The microbiota not only simply contribute to the breakdown of nutrients, but are essential in limiting the expansion of pathogens, directing the development of the intestinal immune system, and establishing mucosal tolerance by fostering the induction of regulatory T cells (Tregs). In this review, we will discuss our current understanding about the microenvironmental factors fostering the de novo generation of Tregs within the gastrointestinal immune system, focusing on unique properties of antigen-presenting cells, tolerogenic cytokines, commensal-derived metabolites and the contribution of lymph node stromal cells.
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Affiliation(s)
- Maria Pasztoi
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Joern Pezoldt
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Jochen Huehn
- Department of Experimental Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany.
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Patel S, Vajdy M. Induction of cellular and molecular immunomodulatory pathways by vitamin A and flavonoids. Expert Opin Biol Ther 2015; 15:1411-28. [PMID: 26185959 DOI: 10.1517/14712598.2015.1066331] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION A detailed study of reports on the immunomodulatory properties of vitamin A and select flavonoids may pave the way for using these natural compounds or compounds with similar structures in novel drug and vaccine designs against infectious and autoimmune diseases and cancers. AREAS COVERED Intracellular transduction pathways, cellular differentiation and functional immunomodulatory responses have been reviewed. The reported studies encompass in vitro, in vivo preclinical and clinical studies that address the role of vitamin A and select flavonoids in induction of innate and adaptive B- and T-cell responses, including TH1, TH2 and regulatory T cells (Treg). EXPERT OPINION While the immunomodulatory role of vitamin A, and related compounds, is well-established in many preclinical studies, its role in humans has begun to gain wider acceptance. In contrast, the role of flavonoids is mostly controversial in clinical trials, due to the diversity of the various classes of these compounds, and possibly due to the purity and the selected doses of the compounds. However, current preclinical and clinical studies warrant further detailed studies of these promising immunomodulatory compounds.
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Affiliation(s)
- Sapna Patel
- a EpitoGenesis, Inc. , 1392 Storrs Rd Unit 4213, ATL Building, Rm 101, Storrs, CT 06269, USA
| | - Michael Vajdy
- a EpitoGenesis, Inc. , 1392 Storrs Rd Unit 4213, ATL Building, Rm 101, Storrs, CT 06269, USA
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Xiong N, Hu S. Regulation of intestinal IgA responses. Cell Mol Life Sci 2015; 72:2645-55. [PMID: 25837997 DOI: 10.1007/s00018-015-1892-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 03/18/2015] [Accepted: 03/20/2015] [Indexed: 12/20/2022]
Abstract
The intestine harbors enormous numbers of commensal bacteria and is under frequent attack from food-borne pathogens and toxins. A properly regulated immune response is critical for homeostatic maintenance of commensals and for protection against infection and toxins in the intestine. Immunoglobulin A (IgA) isotype antibodies function specifically in mucosal sites such as the intestines to help maintain intestinal health by binding to and regulating commensal microbiota, pathogens and toxins. IgA antibodies are produced by intestinal IgA antibody-secreting plasma cells generated in gut-associated lymphoid tissues from naïve B cells in response to stimulations of the intestinal bacteria and components. Research on generation, migration, and maintenance of IgA-secreting cells is important in our effort to understand the biology of IgA responses and to help better design vaccines against intestinal infections.
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Affiliation(s)
- Na Xiong
- Department of Veterinary and Biomedical Sciences, Centre for Molecular Immunology and Infectious Disease, The Pennsylvania State University, 115 Henning Building, University Park, PA, 16802, USA,
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Buckley CD, Barone F, Nayar S, Bénézech C, Caamaño J. Stromal Cells in Chronic Inflammation and Tertiary Lymphoid Organ Formation. Annu Rev Immunol 2015; 33:715-45. [DOI: 10.1146/annurev-immunol-032713-120252] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Christopher D. Buckley
- Rheumatology Research Group, Center for Translational Inflammation Research, University of Birmingham Research Laboratories, Queen Elizabeth Hospital, Birmingham B15 2WD, United Kingdom
- School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom;
| | - Francesca Barone
- Rheumatology Research Group, Center for Translational Inflammation Research, University of Birmingham Research Laboratories, Queen Elizabeth Hospital, Birmingham B15 2WD, United Kingdom
- School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom;
| | - Saba Nayar
- Rheumatology Research Group, Center for Translational Inflammation Research, University of Birmingham Research Laboratories, Queen Elizabeth Hospital, Birmingham B15 2WD, United Kingdom
- School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom;
| | - Cecile Bénézech
- School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom;
| | - Jorge Caamaño
- School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom;
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Guo Y, Brown C, Ortiz C, Noelle RJ. Leukocyte homing, fate, and function are controlled by retinoic acid. Physiol Rev 2015; 95:125-48. [PMID: 25540140 DOI: 10.1152/physrev.00032.2013] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Although vitamin A was recognized as an "anti-infective vitamin" over 90 years ago, the mechanism of how vitamin A regulates immunity is only beginning to be understood. Early studies which focused on the immune responses in vitamin A-deficient (VAD) animals clearly demonstrated compromised immunity and consequently increased susceptibility to infectious disease. The active form of vitamin A, retinoic acid (RA), has been shown to have a profound impact on the homing and differentiation of leukocytes. Both pharmacological and genetic approaches have been applied to the understanding of how RA regulates the development and differentiation of various immune cell subsets, and how RA influences the development of immunity versus tolerance. These studies clearly show that RA profoundly impacts on cell- and humoral-mediated immunity. In this review, the early findings on the complex relationship between VAD and immunity are discussed as well as vitamin A metabolism and signaling within hematopoietic cells. Particular attention is focused on how RA impacts on T-cell lineage commitment and plasticity in various diseases.
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Affiliation(s)
- Yanxia Guo
- Department of Microbiology and Immunology, Dartmouth Medical School, Norris Cotton Cancer Center, Lebanon, New Hampshire; and Medical Research Council Centre of Transplantation, Guy's Hospital, King's College London, King's Health Partners, London, United Kingdom
| | - Chrysothemis Brown
- Department of Microbiology and Immunology, Dartmouth Medical School, Norris Cotton Cancer Center, Lebanon, New Hampshire; and Medical Research Council Centre of Transplantation, Guy's Hospital, King's College London, King's Health Partners, London, United Kingdom
| | - Carla Ortiz
- Department of Microbiology and Immunology, Dartmouth Medical School, Norris Cotton Cancer Center, Lebanon, New Hampshire; and Medical Research Council Centre of Transplantation, Guy's Hospital, King's College London, King's Health Partners, London, United Kingdom
| | - Randolph J Noelle
- Department of Microbiology and Immunology, Dartmouth Medical School, Norris Cotton Cancer Center, Lebanon, New Hampshire; and Medical Research Council Centre of Transplantation, Guy's Hospital, King's College London, King's Health Partners, London, United Kingdom
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Abstract
Intestinal epithelial cells are fundamental to maintain barrier integrity and to participate in food degradation and absorption, but they can also decipher signals coming from the outside world and 'educate' the immune system accordingly. In particular, they interact with dendritic cells (DCs) and other intraepithelial immune cells to drive tolerogenic responses under steady state, but they can also release immune mediators to recruit inflammatory cells and to elicit immunity to infectious agents. When these interactions are deregulated, immune disorders can develop. In this review, we discuss some important features of epithelial cells and DCs and their fruitful interactions.
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Affiliation(s)
- Maria Rescigno
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
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Bekiaris V, Persson EK, Agace WW. Intestinal dendritic cells in the regulation of mucosal immunity. Immunol Rev 2015; 260:86-101. [PMID: 24942684 DOI: 10.1111/imr.12194] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The intestine presents a huge surface area to the outside environment, a property that is of critical importance for its key functions in nutrient digestion, absorption, and waste disposal. As such, the intestine is constantly exposed to dietary and microbial-derived foreign antigens, to which immune cells within the mucosa must suitably respond to maintain intestinal integrity, while also providing the ability to mount effective immune responses to potential pathogens. Dendritic cells (DCs) are sentinel immune cells that play a central role in the initiation and differentiation of adaptive immune responses. In the intestinal mucosa, DCs are located diffusely throughout the intestinal lamina propria, within gut-associated lymphoid tissues, including Peyer's patches and smaller lymphoid aggregates, as well as in intestinal-draining lymph nodes, including mesenteric lymph nodes. The recognition that dietary nutrients and microbial communities in the intestine influence both mucosal and systemic immune cell development and function as well as immune-mediated disease has led to an explosion of literature in mucosal immunology in recent years and a growing interest in the functionality of intestinal DCs. In the current review, we discuss recent findings from our group and others that have provided important insights regarding murine and human intestinal lamina propria DCs and highlighted marked developmental and functional heterogeneity within this compartment. A thorough understanding of the role these subsets play in the regulation of intestinal immune homeostasis and inflammation will help to define novel strategies for the treatment of intestinal pathologies and contribute to improved rational design of mucosal vaccines.
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Chistiakov DA, Bobryshev YV, Kozarov E, Sobenin IA, Orekhov AN. Intestinal mucosal tolerance and impact of gut microbiota to mucosal tolerance. Front Microbiol 2015; 5:781. [PMID: 25628617 PMCID: PMC4292724 DOI: 10.3389/fmicb.2014.00781] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 12/19/2014] [Indexed: 12/25/2022] Open
Abstract
The mucosal barriers are very sensitive to pathogenic infection, thereby assuming the capacity of the mucosal immune system to induce protective immunity to harmful antigens and tolerance against harmless substances. This review provides current information about mechanisms of induction of mucosal tolerance and about impact of gut microbiota to mucosal tolerance.
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Affiliation(s)
- Dimitry A Chistiakov
- Department of Medical Nanobiotechnology, Pirogov Russian State Medical University , Moscow, Russia ; The Mount Sinai Community Clinical Oncology Program, Mount Sinai Comprehensive Cancer Center, Mount Sinai Medical Center , Miami Beach, FL, USA ; Research Center for Children's Health , Moscow, Russia
| | - Yuri V Bobryshev
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences , Moscow, Russia ; Faculty of Medicine, School of Medical Sciences, University of New South Wales , Sydney, NSW, Australia ; School of Medicine, University of Western Sydney , Campbelltown, NSW, Australia
| | - Emil Kozarov
- Department of Oral and Diagnostic Sciences, Columbia University , New York, NY, USA
| | - Igor A Sobenin
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences , Moscow, Russia ; Department of Oral and Diagnostic Sciences, Columbia University , New York, NY, USA ; Laboratory of Medical Genetics, Russian Cardiology Research and Production Complex , Moscow, Russia
| | - Alexander N Orekhov
- Institute of General Pathology and Pathophysiology, Russian Academy of Sciences , Moscow, Russia
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