1
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Tehseen A, Kumar D, Dubey A, Sarkar R, Singh S, Sehrawat S. Glucocorticoid-mediated Suppression of Effector Programming Assists the Memory Transition of Virus-specific CD8+ T Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:1170-1186. [PMID: 39212406 DOI: 10.4049/jimmunol.2300513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/02/2024] [Indexed: 09/04/2024]
Abstract
We demonstrate the role of signaling via the glucocorticoid receptor, NR3C1, in differentiation of CD8+ T cell memory. Pharmacological inhibition as well as the short hairpin RNA-mediated knockdown of the receptor hindered memory transition and limited the homeostatic turnover of the activated CD8+ T cells. Dexamethasone exposure of CD8+ T cells expanded during a resolving infection with influenza A virus or a γ-herpesvirus promoted conversion of effector cells into memory cells by modulating cellular metabolism and lowering the accumulation of reactive oxygen species. Reduced reactive oxygen species levels in the responding effector cells upregulated Bcl2 and enhanced survival. The generated virus-specific memory CD8+ T cells were efficiently recalled following challenge of animals with a secondary infection to control it better. The memory-enhancing effect was predominantly evident at low doses of dexamethasone. Therefore, controlled glucocorticoid signaling within the effector CD8+ T cells is crucial for optimal memory differentiation.
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Affiliation(s)
- Azeez Tehseen
- Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali, Punjab
| | - Dhaneshwar Kumar
- Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali, Punjab
| | - Abhishek Dubey
- Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali, Punjab
| | - Roman Sarkar
- Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali, Punjab
| | - Sudhakar Singh
- Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali, Punjab
| | - Sharvan Sehrawat
- Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali, Punjab
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2
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Candelas A, Vianay B, Gelin M, Faivre L, Larghero J, Blanchoin L, Théry M, Brunet S. Heterotypic interaction promotes asymmetric division of human hematopoietic progenitors. Development 2024; 151:dev203088. [PMID: 39136544 DOI: 10.1242/dev.203088] [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: 05/22/2024] [Accepted: 07/17/2024] [Indexed: 09/04/2024]
Abstract
Hematopoietic stem and progenitor cells (HSPCs) give rise to all cell types of the hematopoietic system through various processes, including asymmetric divisions. However, the contribution of stromal cells of the hematopoietic niches in the control of HSPC asymmetric divisions remains unknown. Using polyacrylamide microwells as minimalist niches, we show that specific heterotypic interactions with osteoblast and endothelial cells promote asymmetric divisions of human HSPCs. Upon interaction, HSPCs polarize in interphase with the centrosome, the Golgi apparatus, and lysosomes positioned close to the site of contact. Subsequently, during mitosis, HSPCs orient their spindle perpendicular to the plane of contact. This division mode gives rise to siblings with unequal amounts of lysosomes and of the differentiation marker CD34. Such asymmetric inheritance generates heterogeneity in the progeny, which is likely to contribute to the plasticity of the early steps of hematopoiesis.
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Affiliation(s)
- Adrian Candelas
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
| | - Benoit Vianay
- Cytomorpholab, University Grenoble-Alpes, CEA, CNRS, INRA, Laboratoire de Phyiologie Cellulaire & Végétale, F-38054 Grenoble, France
| | - Matthieu Gelin
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
| | - Lionel Faivre
- Unité de Thérapie Cellulaire, Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, AP-HP, Hôpital Saint-Louis, Center of Clinical Investigations in Biotherapies of Cancer CBT501, Université Paris Cité, F-75010 Paris, France
| | - Jerome Larghero
- Unité de Thérapie Cellulaire, Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, AP-HP, Hôpital Saint-Louis, Center of Clinical Investigations in Biotherapies of Cancer CBT501, Université Paris Cité, F-75010 Paris, France
| | - Laurent Blanchoin
- Cytomorpholab, University Grenoble-Alpes, CEA, CNRS, INRA, Laboratoire de Phyiologie Cellulaire & Végétale, F-38054 Grenoble, France
| | - Manuel Théry
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
- Cytomorpholab, University Grenoble-Alpes, CEA, CNRS, INRA, Laboratoire de Phyiologie Cellulaire & Végétale, F-38054 Grenoble, France
| | - Stéphane Brunet
- Human Immunology, Pathophysiology, Immunotherapy, INSERM Unit 976, Institut de Recherche St Louis, AP-HP, Hôpital Saint-Louis, Université Paris Cité, F-75010 Paris, France
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3
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Lee CS, Chen S, Berry CT, Kelly AR, Herman PJ, Oh S, O'Connor RS, Payne AS, Ellebrecht CT. Fate induction in CD8 CAR T cells through asymmetric cell division. Nature 2024; 633:670-677. [PMID: 39198645 PMCID: PMC11410665 DOI: 10.1038/s41586-024-07862-7] [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: 09/29/2022] [Accepted: 07/22/2024] [Indexed: 09/01/2024]
Abstract
Early expansion and long-term persistence predict efficacy of chimeric antigen receptor T cells (CARTs)1-7, but mechanisms governing effector versus memory CART differentiation and whether asymmetric cell division induces differential fates in human CARTs remain unclear. Here we show that target-induced proximity labelling enables isolation of first-division proximal-daughter and distal-daughter CD8 CARTs that asymmetrically distribute their surface proteome and transcriptome, resulting in divergent fates. Target-engaged CARs remain on proximal daughters, which inherit a surface proteome resembling activated-undivided CARTs, whereas the endogenous T cell receptor and CD8 enrich on distal daughters, whose surface proteome resembles resting CARTs, correlating with glycolytic and oxidative metabolism, respectively. Despite memory-precursor phenotype and in vivo longevity, distal daughters demonstrate transient potent cytolytic activity similar to proximal daughters, uncovering an effector-like state in distal daughters destined to become memory CARTs. Both partitioning of pre-existing transcripts and changes in RNA velocity contribute to asymmetry of fate-determining factors, resulting in diametrically opposed transcriptional trajectories. Independent of naive, memory or effector surface immunophenotype, proximal-daughter CARTs use core sets of transcription factors known to support proliferation and effector function. Conversely, transcription factors enriched in distal daughters restrain differentiation and promote longevity, evidenced by diminished long-term in vivo persistence and function of distal-daughter CARTs after IKZF1 disruption. These studies establish asymmetric cell division as a framework for understanding mechanisms of CART differentiation and improving therapeutic outcomes.
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Affiliation(s)
- Casey S Lee
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Sisi Chen
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Corbett T Berry
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Andre R Kelly
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Patrick J Herman
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Sangwook Oh
- Department of Biomedical Science, Hallym University, Chuncheon, Republic of Korea
| | - Roddy S O'Connor
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Aimee S Payne
- Department of Dermatology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
| | - Christoph T Ellebrecht
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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4
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Sierra-Ulloa D, Fernández J, Cacelín M, González-Aguilar GA, Saavedra R, Tenorio EP. α2,6 sialylation distinguishes a novel active state in CD4 + and CD8 + cells during acute Toxoplasma gondii infection. Front Immunol 2024; 15:1429302. [PMID: 39253089 PMCID: PMC11381403 DOI: 10.3389/fimmu.2024.1429302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 08/02/2024] [Indexed: 09/11/2024] Open
Abstract
Toxoplasmosis is a worldwide parasitosis that is usually asymptomatic; cell-mediated immunity, particularly T cells, is a crucial mediator of the immune response against this parasite. Membrane protein expression has been studied for a long time in T lymphocytes, providing vital information to determine functional checkpoints. However, less is known about the role of post-translational modifications in T cell function. Glycosylation plays essential roles during maturation and function; particularly, sialic acid modulation is determinant for accurate T cell regulation of processes like adhesion, cell-cell communication, and apoptosis induction. Despite its importance, the role of T cell sialylation during infection remains unclear. Herein, we aimed to evaluate whether different membrane sialylation motifs are modified in T cells during acute Toxoplasma gondii infection using different lectins. To this end, BALB/c Foxp3EGFP mice were infected with T. gondii, and on days 3, 7, and 10 post-infection, splenocytes were obtained to analyze conventional (Foxp3-) CD4+ and CD8+ populations by flow cytometry. Among the different lectins used for analysis, only Sambucus nigra lectin, which detects sialic acid α2,6 linkages, revealed two distinctive populations (SNBright and SN-/Dim) after infection. Further characterization of CD4+ and CD8+ SN-/Dim lymphocytes showed that these are highly activated cells, with a TEf/EM or TCM phenotype that produce high IFN-γ levels, a previously undescribed cell state. This work demonstrates that glycan membrane analysis in T cells reveals previously overlooked functional states by evaluating only protein expression.
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Affiliation(s)
- Diego Sierra-Ulloa
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Jacquelina Fernández
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - María Cacelín
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Gloria A González-Aguilar
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Rafael Saavedra
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Eda P Tenorio
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
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5
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Xie H, Crawford L, Conard AM. Multioviz: an interactive platform for in silico perturbation and interrogation of gene regulatory networks. BMC Bioinformatics 2024; 25:249. [PMID: 39080561 PMCID: PMC11290168 DOI: 10.1186/s12859-024-05819-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 05/23/2024] [Indexed: 08/02/2024] Open
Abstract
In this paper, we aim to build a platform that will help bridge the gap between high-dimensional computation and wet-lab experimentation by allowing users to interrogate genomic signatures at multiple molecular levels and identify best next actionable steps for downstream decision making. We introduce Multioviz: a publicly accessible R package and web application platform to easily perform in silico hypothesis testing of generated gene regulatory networks. We demonstrate the utility of Multioviz by conducting an end-to-end analysis in a statistical genetics application focused on measuring the effect of in silico perturbations of complex trait architecture. By using a real dataset from the Wellcome Trust Centre for Human Genetics, we both recapitulate previous findings and propose hypotheses about the genes involved in the percentage of immune CD8+ cells found in heterogeneous stocks of mice. Source code for the Multioviz R package is available at https://github.com/lcrawlab/multio-viz and an interactive version of the platform is available at https://multioviz.ccv.brown.edu/ .
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Affiliation(s)
- Helen Xie
- Department of Computer Science, Brown University, Providence, RI, USA
| | - Lorin Crawford
- Center for Computational Molecular Biology, Brown University, Providence, RI, USA.
- Microsoft Research, Cambridge, MA, USA.
- Department of Biostatistics, Brown University, Providence, RI, USA.
| | - Ashley Mae Conard
- Department of Computer Science, Brown University, Providence, RI, USA.
- Center for Computational Molecular Biology, Brown University, Providence, RI, USA.
- Microsoft Research, Cambridge, MA, USA.
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6
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Lam N, Lee Y, Farber DL. A guide to adaptive immune memory. Nat Rev Immunol 2024:10.1038/s41577-024-01040-6. [PMID: 38831162 DOI: 10.1038/s41577-024-01040-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2024] [Indexed: 06/05/2024]
Abstract
Immune memory - comprising T cells, B cells and plasma cells and their secreted antibodies - is crucial for human survival. It enables the rapid and effective clearance of a pathogen after re-exposure, to minimize damage to the host. When antigen-experienced, memory T cells become activated, they proliferate and produce effector molecules at faster rates and in greater magnitudes than antigen-inexperienced, naive cells. Similarly, memory B cells become activated and differentiate into antibody-secreting cells more rapidly than naive B cells, and they undergo processes that increase their affinity for antigen. The ability of T cells and B cells to form memory cells after antigen exposure is the rationale behind vaccination. Understanding immune memory not only is crucial for the design of more-efficacious vaccines but also has important implications for immunotherapies in infectious disease and cancer. This 'guide to' article provides an overview of the current understanding of the phenotype, function, location, and pathways for the generation, maintenance and protective capacity of memory T cells and memory B cells.
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Affiliation(s)
- Nora Lam
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - YoonSeung Lee
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Donna L Farber
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY, USA.
- Department of Surgery, Columbia University Irving Medical Center, New York, NY, USA.
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7
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Wang P, Chen L, Mora-Cartin R, McIntosh CM, Sattar H, Chong AS, Alegre ML. Low-affinity CD8 + T cells provide interclonal help to high-affinity CD8 + T cells to augment alloimmunity. Am J Transplant 2024; 24:933-943. [PMID: 38228228 PMCID: PMC11144556 DOI: 10.1016/j.ajt.2024.01.008] [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: 08/22/2023] [Revised: 12/19/2023] [Accepted: 01/09/2024] [Indexed: 01/18/2024]
Abstract
Following solid organ transplantation, small precursor populations of polyclonal CD8+ T cells specific for any graft-expressed antigen preferentially expand their high-affinity clones. This phenomenon, termed "avidity maturation," results in a larger population of CD8+ T cells with increased sensitivity to alloantigen, posing a greater risk for graft rejection. Using a mouse model of minor-mismatched skin transplantation, coupled with the tracking of 2 skin graft-reactive CD8+ T cell receptor-transgenic tracer populations with high and low affinity for the same peptide-major histocompatibility complex, we explored the conventional paradigm that CD8+ T cell avidity maturation occurs through T cell receptor affinity-based competition for cognate antigen. Our data revealed "interclonal CD8-CD8 help," whereby lower/intermediate affinity clones help drive the preferential expansion of their higher affinity counterparts in an interleukin-2/CD25-dependent manner. Consequently, the CD8-helped high-affinity clones exhibit greater expansion and develop augmented effector functions in the presence of their low-affinity counterparts, correlating with more severe graft damage. Finally, interclonal CD8-CD8 help was suppressed by costimulation blockade treatment. Thus, high-affinity CD8+ T cells can leverage help from low-affinity CD8+ T cells of identical specificity to promote graft rejection. Suppressing provision of interclonal CD8-CD8 help may be important to improve transplant outcomes.
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Affiliation(s)
- Peter Wang
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois, USA; Medical Scientist Training Program, University of Chicago Pritzker School of Medicine, Chicago, Illinois, USA
| | - Luqiu Chen
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Ricardo Mora-Cartin
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Christine M McIntosh
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Husain Sattar
- Department of Pathology, University of Chicago, Chicago, Illinois, USA
| | - Anita S Chong
- Department of Surgery, Section of Transplantation, University of Chicago, Chicago, Illinois, USA
| | - Maria-Luisa Alegre
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, Illinois, USA.
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8
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Chi H, Pepper M, Thomas PG. Principles and therapeutic applications of adaptive immunity. Cell 2024; 187:2052-2078. [PMID: 38670065 PMCID: PMC11177542 DOI: 10.1016/j.cell.2024.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/01/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024]
Abstract
Adaptive immunity provides protection against infectious and malignant diseases. These effects are mediated by lymphocytes that sense and respond with targeted precision to perturbations induced by pathogens and tissue damage. Here, we review key principles underlying adaptive immunity orchestrated by distinct T cell and B cell populations and their extensions to disease therapies. We discuss the intracellular and intercellular processes shaping antigen specificity and recognition in immune activation and lymphocyte functions in mediating effector and memory responses. We also describe how lymphocytes balance protective immunity against autoimmunity and immunopathology, including during immune tolerance, response to chronic antigen stimulation, and adaptation to non-lymphoid tissues in coordinating tissue immunity and homeostasis. Finally, we discuss extracellular signals and cell-intrinsic programs underpinning adaptive immunity and conclude by summarizing key advances in vaccination and engineering adaptive immune responses for therapeutic interventions. A deeper understanding of these principles holds promise for uncovering new means to improve human health.
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Affiliation(s)
- Hongbo Chi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA.
| | - Marion Pepper
- Department of Immunology, University of Washington, Seattle, WA, USA.
| | - Paul G Thomas
- Department of Host-Microbe Interactions and Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA.
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9
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Stevens J, Culberson E, Kinder J, Ramiriqui A, Gray J, Bonfield M, Shao TY, Al Gharabieh F, Peterson L, Steinmeyer S, Zacharias W, Pryhuber G, Paul O, Sengupta S, Alenghat T, Way SS, Deshmukh H. Microbiota-derived inosine programs protective CD8 + T cell responses against influenza in newborns. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.09.588427. [PMID: 38645130 PMCID: PMC11030415 DOI: 10.1101/2024.04.09.588427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2024]
Abstract
The immunological defects causing susceptibility to severe viral respiratory infections due to early-life dysbiosis remain ill-defined. Here, we show that influenza virus susceptibility in dysbiotic infant mice is caused by CD8+ T cell hyporesponsiveness and diminished persistence as tissue-resident memory cells. We describe a previously unknown role for nuclear factor interleukin 3 (NFIL3) in repression of memory differentiation of CD8+ T cells in dysbiotic mice involving epigenetic regulation of T cell factor 1 (TCF 1) expression. Pulmonary CD8+ T cells from dysbiotic human infants share these transcriptional signatures and functional phenotypes. Mechanistically, intestinal inosine was reduced in dysbiotic human infants and newborn mice, and inosine replacement reversed epigenetic dysregulation of Tcf7 and increased memory differentiation and responsiveness of pulmonary CD8+ T cells. Our data unveils new developmental layers controlling immune cell activation and identifies microbial metabolites that may be used therapeutically in the future to protect at-risk newborns.
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Affiliation(s)
- Joseph Stevens
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
- Medical Scientist Training Program, University of Cincinnati College of Medicine
- Immunology Graduate Program, Cincinnati Children’s Hospital Medical Center
| | - Erica Culberson
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
- Medical Scientist Training Program, University of Cincinnati College of Medicine
- Immunology Graduate Program, Cincinnati Children’s Hospital Medical Center
| | - Jeremy Kinder
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Infectious Disease, Cincinnati Children’s Hospital Medical Center
- Center for Inflammation and Tolerance, Cincinnati Children’s Hospital Medical Center
| | - Alicia Ramiriqui
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
| | - Jerilyn Gray
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
| | - Madeline Bonfield
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
- Immunology Graduate Program, Cincinnati Children’s Hospital Medical Center
| | - Tzu-Yu Shao
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Infectious Disease, Cincinnati Children’s Hospital Medical Center
- Center for Inflammation and Tolerance, Cincinnati Children’s Hospital Medical Center
| | - Faris Al Gharabieh
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
| | - Laura Peterson
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
| | - Shelby Steinmeyer
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
| | - William Zacharias
- Department of Pediatrics, University of Cincinnati College of Medicine
- Medical Scientist Training Program, University of Cincinnati College of Medicine
| | - Gloria Pryhuber
- Department of Pediatrics, University of Rochester, School of Medicine
| | - Oindrila Paul
- Division of Neonatology, Children’s Hospital of Philadelphia; Perelman School of Medicine, University of Pennsylvania
| | - Shaon Sengupta
- Division of Neonatology, Children’s Hospital of Philadelphia; Perelman School of Medicine, University of Pennsylvania
| | - Theresa Alenghat
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center
- Center for Inflammation and Tolerance, Cincinnati Children’s Hospital Medical Center
| | - Sing Sing Way
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Infectious Disease, Cincinnati Children’s Hospital Medical Center
- Center for Inflammation and Tolerance, Cincinnati Children’s Hospital Medical Center
| | - Hitesh Deshmukh
- Department of Pediatrics, University of Cincinnati College of Medicine
- Division of Neonatology, Cincinnati Children’s Hospital Medical Center
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center
- Center for Inflammation and Tolerance, Cincinnati Children’s Hospital Medical Center
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10
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Abdullah L, Emiliani FE, Vaidya CM, Stuart H, Kolling FW, Ackerman ME, Song L, McKenna A, Huang YH. Hierarchal single-cell lineage tracing reveals differential fate commitment of CD8 T-cell clones in response to acute infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.21.586160. [PMID: 38585810 PMCID: PMC10996474 DOI: 10.1101/2024.03.21.586160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Generating balanced populations of CD8 effector and memory T cells is necessary for immediate and durable immunity to infections and cancer. Yet, a definitive understanding of CD8 differentiation remains unclear. We used CARLIN, a processive lineage recording mouse model with single-cell RNA-seq and TCR-seq to track endogenous antigen-specific CD8 T cells during acute viral infection. We identified a diverse repertoire of expanded T-cell clones represented by seven transcriptional states. TCR enrichment analysis revealed differential memory- or effector-fate biases within clonal populations. Shared Vb segments and amino acid motifs were found within biased categories despite high TCR diversity. Using single-cell CARLIN barcode-seq we tracked multi-generational clones and found that unlike unbiased or memory-biased clones, which stably retain their fate profiles, effector-biased clones could adopt memory- or effector-bias within subclones. Collectively, our study demonstrates that a heterogenous T-cell repertoire specific for a shared antigen is composed of clones with distinct TCR-intrinsic fate-biases.
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Affiliation(s)
- Leena Abdullah
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Francesco E. Emiliani
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Chinmay M. Vaidya
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
| | - Hannah Stuart
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | | | - Margaret E. Ackerman
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
- Dartmouth Cancer Center, Lebanon, NH 03756, USA
| | - Li Song
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
- Dartmouth Cancer Center, Lebanon, NH 03756, USA
| | - Aaron McKenna
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
- Dartmouth Cancer Center, Lebanon, NH 03756, USA
| | - Yina H. Huang
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
- Dartmouth Cancer Center, Lebanon, NH 03756, USA
- Department of Pathology and Laboratory Medicine, Dartmouth Health, Lebanon, NH 03756, USA
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11
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Turner L, Van Le TN, Cross E, Queriault C, Knight M, Trihemasava K, Davis J, Schaefer P, Nguyen J, Xu J, Goldspiel B, Hall E, Rome K, Scaglione M, Eggert J, Au-Yeung B, Wallace DC, Mesaros C, Baur JA, Bailis W. Single-cell NAD(H) levels predict clonal lymphocyte expansion dynamics. Sci Immunol 2024; 9:eadj7238. [PMID: 38489349 PMCID: PMC11064129 DOI: 10.1126/sciimmunol.adj7238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 02/22/2024] [Indexed: 03/17/2024]
Abstract
Adaptive immunity requires the expansion of high-affinity lymphocytes from a heterogeneous pool. Whereas current models explain this through signal transduction, we hypothesized that antigen affinity tunes discrete metabolic pathways to license clonal lymphocyte dynamics. Here, we identify nicotinamide adenine dinucleotide (NAD) biosynthesis as a biochemical hub for the T cell receptor affinity-dependent metabolome. Through this central anabolic role, we found that NAD biosynthesis governs a quiescence exit checkpoint, thereby pacing proliferation. Normalizing cellular NAD(H) likewise normalizes proliferation across affinities, and enhancing NAD biosynthesis permits the expansion of lower affinity clones. Furthermore, single-cell differences in NAD(H) could predict division potential for both T and B cells, before the first division, unmixing proliferative heterogeneity. We believe that this supports a broader paradigm in which complex signaling networks converge on metabolic pathways to control single-cell behavior.
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Affiliation(s)
- Lucien Turner
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Tran Ngoc Van Le
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Eric Cross
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania; Philadelphia, PA 19104
| | - Clemence Queriault
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Montana Knight
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
- Department of Biomedical and Health Informatics, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Krittin Trihemasava
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - James Davis
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania; Philadelphia, PA, 19104
| | - Patrick Schaefer
- Center for Mitochondrial and Epigenomic Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Janet Nguyen
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Jimmy Xu
- Center of Excellence in Environmental Toxicology & Department of Systems Pharmacology & Translational Therapeutics, University of Pennsylvania; Philadelphia, PA 19104
| | - Brian Goldspiel
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Elise Hall
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Kelly Rome
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Michael Scaglione
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
| | - Joel Eggert
- Division of Immunology, Lowance Center for Human Immunology, Department of Medicine, Emory University; Atlanta, GA 30322
| | - Byron Au-Yeung
- Division of Immunology, Lowance Center for Human Immunology, Department of Medicine, Emory University; Atlanta, GA 30322
| | - Douglas C Wallace
- Center for Mitochondrial and Epigenomic Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
- Department of Pediatrics, Division of Human Genetics, Perelman School of Medicine, University of Pennsylvania; Philadelphia, PA 19104
| | - Clementina Mesaros
- Center of Excellence in Environmental Toxicology & Department of Systems Pharmacology & Translational Therapeutics, University of Pennsylvania; Philadelphia, PA 19104
| | - Joseph A Baur
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania; Philadelphia, PA, 19104
| | - Will Bailis
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia; Philadelphia, PA 19104
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania; Philadelphia, PA 19104
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12
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Raynor JL, Chi H. Nutrients: Signal 4 in T cell immunity. J Exp Med 2024; 221:e20221839. [PMID: 38411744 PMCID: PMC10899091 DOI: 10.1084/jem.20221839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/30/2024] [Accepted: 02/02/2024] [Indexed: 02/28/2024] Open
Abstract
T cells are integral in mediating adaptive immunity to infection, autoimmunity, and cancer. Upon immune challenge, T cells exit from a quiescent state, followed by clonal expansion and effector differentiation. These processes are shaped by three established immune signals, namely antigen stimulation (Signal 1), costimulation (Signal 2), and cytokines (Signal 3). Emerging findings reveal that nutrients, including glucose, amino acids, and lipids, are crucial regulators of T cell responses and interplay with Signals 1-3, highlighting nutrients as Signal 4 to license T cell immunity. Here, we first summarize the functional importance of Signal 4 and the underlying mechanisms of nutrient transport, sensing, and signaling in orchestrating T cell activation and quiescence exit. We also discuss the roles of nutrients in programming T cell differentiation and functional fitness and how nutrients can be targeted to improve disease therapy. Understanding how T cells respond to Signal 4 nutrients in microenvironments will provide insights into context-dependent functions of adaptive immunity and therapeutic interventions.
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Affiliation(s)
- Jana L Raynor
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Hongbo Chi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
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13
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Kaminskiy Y, Ganeeva I, Chasov V, Kudriaeva A, Bulatov E. Asymmetric T-cell division: insights from cutting-edge experimental techniques and implications for immunotherapy. Front Immunol 2024; 15:1301378. [PMID: 38495874 PMCID: PMC10940324 DOI: 10.3389/fimmu.2024.1301378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 02/02/2024] [Indexed: 03/19/2024] Open
Abstract
Asymmetric cell division is a fundamental process conserved throughout evolution, employed by both prokaryotic and eukaryotic organisms. Its significance lies in its ability to govern cell fate and facilitate the generation of diverse cell types. Therefore, attaining a detailed mechanistic understanding of asymmetric cell division becomes essential for unraveling the complexities of cell fate determination in both healthy and pathological conditions. However, the role of asymmetric division in T-cell biology has only recently been unveiled. Here, we provide an overview of the T-cell asymmetric division field with the particular emphasis on experimental methods and models with the aim to guide the researchers in the selection of appropriate in vitro/in vivo models to study asymmetric division in T cells. We present a comprehensive investigation into the mechanisms governing the asymmetric division in various T-cell subsets underscoring the importance of the asymmetry in fate-determining factor segregation and transcriptional and epigenetic regulation. Furthermore, the intricate interplay of T-cell receptor signaling and the asymmetric division geometry are explored, shedding light on the spatial organization and the impact on cellular fate.
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Affiliation(s)
- Yaroslav Kaminskiy
- Department of Oncology and Pathology, Karolinska Institutet, SciLifeLab, Solna, Sweden
| | - Irina Ganeeva
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Vitaly Chasov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Anna Kudriaeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Emil Bulatov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
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14
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Abadie K, Clark EC, Valanparambil RM, Ukogu O, Yang W, Daza RM, Ng KKH, Fathima J, Wang AL, Lee J, Nasti TH, Bhandoola A, Nourmohammad A, Ahmed R, Shendure J, Cao J, Kueh HY. Reversible, tunable epigenetic silencing of TCF1 generates flexibility in the T cell memory decision. Immunity 2024; 57:271-286.e13. [PMID: 38301652 PMCID: PMC10922671 DOI: 10.1016/j.immuni.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 10/09/2023] [Accepted: 12/07/2023] [Indexed: 02/03/2024]
Abstract
The immune system encodes information about the severity of a pathogenic threat in the quantity and type of memory cells it forms. This encoding emerges from lymphocyte decisions to maintain or lose self-renewal and memory potential during a challenge. By tracking CD8+ T cells at the single-cell and clonal lineage level using time-resolved transcriptomics, quantitative live imaging, and an acute infection model, we find that T cells will maintain or lose memory potential early after antigen recognition. However, following pathogen clearance, T cells may regain memory potential if initially lost. Mechanistically, this flexibility is implemented by a stochastic cis-epigenetic switch that tunably and reversibly silences the memory regulator, TCF1, in response to stimulation. Mathematical modeling shows how this flexibility allows memory T cell numbers to scale robustly with pathogen virulence and immune response magnitudes. We propose that flexibility and stochasticity in cellular decisions ensure optimal immune responses against diverse threats.
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Affiliation(s)
- Kathleen Abadie
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Elisa C Clark
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Rajesh M Valanparambil
- Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Obinna Ukogu
- Department of Applied Mathematics, University of Washington, Seattle, WA 98105, USA
| | - Wei Yang
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
| | - Riza M Daza
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
| | - Kenneth K H Ng
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Jumana Fathima
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Allan L Wang
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Judong Lee
- Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Tahseen H Nasti
- Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Avinash Bhandoola
- T-Cell Biology and Development Unit, Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institute of Health, Bethesda, MD 20892, USA
| | - Armita Nourmohammad
- Department of Applied Mathematics, University of Washington, Seattle, WA 98105, USA; Department of Physics, University of Washington, Seattle, WA 98105, USA; Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Rafi Ahmed
- Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jay Shendure
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA; Brotman Baty Institute for Precision Medicine, Seattle, WA 98195, USA; Allen Discovery Center for Cell Lineage Tracing, Seattle, WA 98109, USA; Howard Hughes Medical Institute, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA.
| | - Junyue Cao
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA; Laboratory of Single-Cell Genomics and Population Dynamics, The Rockefeller University, New York, NY 10065, USA.
| | - Hao Yuan Kueh
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA.
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15
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Peña-Asensio J, Calvo-Sánchez H, Miquel J, Sanz-de-Villalobos E, González-Praetorius A, Torralba M, Larrubia JR. IL-15 boosts activated HBV core-specific CD8 + progenitor cells via metabolic rebalancing in persistent HBV infection. iScience 2024; 27:108666. [PMID: 38155778 PMCID: PMC10753074 DOI: 10.1016/j.isci.2023.108666] [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: 05/11/2023] [Revised: 10/15/2023] [Accepted: 12/05/2023] [Indexed: 12/30/2023] Open
Abstract
A rebalance between energy supply and demand in HBV-specific-CD8+ activated progenitor (AP) cells could restore the functionality of proliferative progeny (PP) in e-antigen(Ag)-negative chronic hepatitis B (CHBe(-)). We observed that quiescent progenitor (QP [TCF1+/FSClow]) HBVcore-specific-CD8+ cells displayed a memory-like phenotype. Following Ag-encounter, the generated AP [TCF1+/FSChigh] subset maintained the PD1+/CD127+ phenotype and gave rise to proliferative progeny (PP [ TCF1-/FSChigh]). In AP cells, IL-15 compared to IL2 decreased the initial mTORC1 boost, but maintained its activation longer linked to a catabolic profile that correlated with enhanced PP effector abilities. In nucleos(t)ide analogue (NUC)-treated CHBe(-), AP subset showed an anabolic phenotype associated with a dysfunctional PP pool. In CHBe(-) cases with low probability of HBVcore-specific-CD8+ cell on-NUC-treatment restoration, according to a clinical predictive model, IL-15/anti-PD-L1 treatment re-established their reactivity. Therefore, IL-15 could improve AP pool energy balance by decreasing intensity but extending T cell activation and by inducing a more catabolic metabolism.
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Affiliation(s)
- Julia Peña-Asensio
- Department of Biology of Systems, University of Alcalá, 28801 Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
| | - Henar Calvo-Sánchez
- Section of Gastroenterology, Guadalajara University Hospital, 19002 Guadalajara, Castilla La-Mancha, Spain
- Department of Medicine & Medical Specialties, University of Alcalá, 28801 Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
| | - Joaquín Miquel
- Section of Gastroenterology, Guadalajara University Hospital, 19002 Guadalajara, Castilla La-Mancha, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
| | - Eduardo Sanz-de-Villalobos
- Section of Gastroenterology, Guadalajara University Hospital, 19002 Guadalajara, Castilla La-Mancha, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
| | - Alejandro González-Praetorius
- Section of Microbiology, Guadalajara University Hospital, 19002 Guadalajara, Castilla La-Mancha, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
| | - Miguel Torralba
- Service of Internal Medicine, Guadalajara University Hospital, 19002 Guadalajara, Castilla La-Mancha, Spain
- Department of Medicine & Medical Specialties, University of Alcalá, 28801 Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
| | - Juan-Ramón Larrubia
- Section of Gastroenterology, Guadalajara University Hospital, 19002 Guadalajara, Castilla La-Mancha, Spain
- Department of Medicine & Medical Specialties, University of Alcalá, 28801 Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Sanitaria de Castilla La-Mancha (IDISCAM), 45071 Toledo, Castilla La-Mancha, Spain
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16
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Rodriguez-Rodriguez C, González-Mancha N, Ochoa-Echeverría A, Liébana R, Merida I. Partial loss of Sorting Nexin 27 resembles age- and Down syndrome-associated T cell dysfunctions. Immun Ageing 2024; 21:2. [PMID: 38166948 PMCID: PMC10759489 DOI: 10.1186/s12979-023-00402-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Sorting Nexin 27 (SNX27)-retromer complex facilitates cargo recycling from endosomes to the plasma membrane. SNX27 downregulation in neurons, as the result of Trisomy 21 (T21), has been linked with cognitive deficits due to impairment of AMPA and NMDA receptor recycling. Studies in human T cell lines likewise demonstrated that SNX27 regulates the correct delivery of cargoes to the immune synapse limiting the activation of pro-inflammatory pathways. Nevertheless, the physiological consequences of partial SNX27 loss in T cell homeostasis are still unclear. RESULTS In this study, we have explored the consequences of T cell specific partial SNX27 downregulation in mice. T cells with partial SNX27 deficiency show a marked deficit in the CD4+ T cell pool, a hallmark of aging in mice and humans, and a well-characterized comorbidity of individuals with Down syndrome (DS). When analyzed ex vivo, CD4+ T cells with partial SNX27 deletion demonstrate enhanced proliferation but diminished IL-2 production. In contrast, the CD8+ population show enhanced expression of pro-inflammatory cytokines and lytic enzymes. CONCLUSIONS This mouse model supports the relevance of SNX27 in the organization of the immune synapse, previously described in cell lines, as well as in the control of T cell homeostasis. Individuals with DS experiment an acceleration of the aging process, which particularly affects the immune and central nervous systems. Thus, we hypothesize that reduced SNX27 expression in DS could contribute to the dysregulation of these systems and further research in SNX27 will shed light on the molecular factors underlying the phenotypes observed in people with DS and its contribution to aging.
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Affiliation(s)
- Cristina Rodriguez-Rodriguez
- Department of Immunology and Oncology, Spanish National Centre for Biotechnology (CNB-CSIC), UAM Campus de Cantoblanco, Darwin 3, 28049, Madrid, Spain
| | - Natalia González-Mancha
- Department of Immunology and Oncology, Spanish National Centre for Biotechnology (CNB-CSIC), UAM Campus de Cantoblanco, Darwin 3, 28049, Madrid, Spain
| | - Ane Ochoa-Echeverría
- Department of Immunology and Oncology, Spanish National Centre for Biotechnology (CNB-CSIC), UAM Campus de Cantoblanco, Darwin 3, 28049, Madrid, Spain
| | - Rosa Liébana
- Department of Immunology and Oncology, Spanish National Centre for Biotechnology (CNB-CSIC), UAM Campus de Cantoblanco, Darwin 3, 28049, Madrid, Spain
| | - Isabel Merida
- Department of Immunology and Oncology, Spanish National Centre for Biotechnology (CNB-CSIC), UAM Campus de Cantoblanco, Darwin 3, 28049, Madrid, Spain.
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17
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Agbakwuru D, Wetzel SA. The Biological Significance of Trogocytosis. Results Probl Cell Differ 2024; 73:87-129. [PMID: 39242376 DOI: 10.1007/978-3-031-62036-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2024]
Abstract
Trogocytosis is the intercellular transfer of membrane and membrane-associated proteins between cells. Trogocytosis is an underappreciated phenomenon that has historically routinely been dismissed as an artefact. With a greater understanding of the process and the implications it has on biological systems, trogocytosis has the potential to become a paradigm changer. The presence on a cell of molecules they don't endogenously express can alter the biological activity of the cell and could also lead to the acquisition of new functions. To better appreciate this phenomenon, it is important to understand how these intercellular membrane exchanges influence the function and activity of the donor and the recipient cells. In this chapter, we will examine how the molecules acquired by trogocytosis influence the biology of a variety of systems including mammalian fertilization, treatment of hemolytic disease of the newborn, viral and parasitic infections, cancer immunotherapy, and immune modulation.
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Affiliation(s)
- Deborah Agbakwuru
- Center for Environmental Health Sciences, University of Montana, Missoula, MT, USA
| | - Scott A Wetzel
- Center for Environmental Health Sciences, University of Montana, Missoula, MT, USA.
- Division of Biological Sciences, University of Montana, Missoula, MT, USA.
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18
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Gräbnitz F, Oxenius A. CD8 T-cell diversification: Asymmetric cell division and its functional implications. Eur J Immunol 2023; 53:e2250225. [PMID: 36788705 DOI: 10.1002/eji.202250225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/10/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023]
Abstract
Establishment of cellular diversity is a basic requirement for the development of multicellular organisms. Cellular diversification can be induced by asymmetric cell division (ACD), during which the emerging two daughter cells unequally inherit lineage specific cargo (including transcription factors, receptors for specific signaling inputs, metabolic platforms, and possibly different epigenetic landscapes), resulting in two daughter cells endowed with different fates. While ACD is strongly involved in lineage choices in mammalian stem cells, its role in fate diversification in lineage committed cell subsets that still exhibit plastic potential, such as T-cells, is currently investigated. In this review, we focus predominantly on the role of ACD in fate diversification of CD8 T-cells. Further, we discuss the impact of differential T-cell receptor stimulation strengths and differentiation history on ACD-mediated fate diversification and highlight a particular importance of ACD in the development of memory CD8 T-cells upon high-affinity stimulation conditions.
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Affiliation(s)
- Fabienne Gräbnitz
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, Zurich, 8093, Switzerland
| | - Annette Oxenius
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, Zurich, 8093, Switzerland
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19
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Silva JG, Pais Ferreira D, Dumez A, Wyss T, Veber R, Danilo M, Pinschewer DD, Charmoy M, Held W. Emergence and fate of stem cell-like Tcf7+ CD8 + T cells during a primary immune response to viral infection. Sci Immunol 2023; 8:eadh3113. [PMID: 37976346 DOI: 10.1126/sciimmunol.adh3113] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
In response to infection, naïve CD8+ T (TN) cells yield a large pool of short-lived terminal effector (TTE) cells that eliminate infected host cells. In parallel, a minor population of stem cell-like central memory (TCM) cells forms, which has the capacity to maintain immunity after pathogen clearance. It has remained uncertain whether stem-like TCM cells arise by dedifferentiation from a subset of cytolytic TTE cells or whether priming generates stem-like cells capable of seeding the TCM compartment and, if so, when cytolytic TTE cells branch off. Here, we show that CD8+ T cells with stem-like properties, which are identified by the expression of TCF1 (encoded by Tcf7), are present across the primary response to infection. Priming programs TN cells to undergo multiple cell divisions, over the course of which TCF1 expression is maintained. These TCF1+ cells further expand relatively independently of systemic inflammation, antigen dose, or affinity, and they quantitatively yield TCF1+ TCM cells after pathogen clearance. Inflammatory signals suppress TCF1 expression in early divided TCF1+ cells. TCF1 down-regulation is associated with the irreversible loss of self-renewal capacity and the silencing of stem/memory genes, which precedes the stable acquisition of a TTE state. TCF1 expression restrains cell cycling, explaining in part the limited expansion of TCF1+ relative to TCF1- cells during the primary response. Thus, our data are consistent with terminal differentiation of effector cells being a step-wise process that is initiated by inflammation in primed stem-like cells, which would otherwise become central memory cells by default.
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Affiliation(s)
- Joana Gomes Silva
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | | | - Alexandre Dumez
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Tania Wyss
- Translational Data Science Facility, Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Romain Veber
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Maxime Danilo
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Daniel D Pinschewer
- Department of Biomedicine, Division of Experimental Virology, University of Basel, Basel, Switzerland
| | - Mélanie Charmoy
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
| | - Werner Held
- Department of Oncology, University of Lausanne, Lausanne, Switzerland
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20
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Vizcarra EA, Ulu A, Landrith TA, Qiu X, Godzik A, Wilson EH. Group 1 metabotropic glutamate receptor expression defines a T cell memory population during chronic Toxoplasma infection that enhances IFN-gamma and perforin production in the CNS. Brain Behav Immun 2023; 114:131-143. [PMID: 37604212 DOI: 10.1016/j.bbi.2023.08.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/23/2023] Open
Abstract
Within the brain, a pro-inflammatory response is essential to prevent clinical disease due to Toxoplasma gondii reactivation. Infection in the immunocompromised leads to lethal Toxoplasmic encephalitis while in the immunocompetent, there is persistent low-grade inflammation which is devoid of clinical symptoms. This signifies that there is a well-balanced and regulated inflammatory response to T. gondii in the brain. T cells are the dominant immune cells that prevent clinical disease, and this is mediated through the secretion of effector molecules such as perforins and IFN-γ. The presence of cognate antigen, the expression of survival cytokines, and the alteration of the epigenetic landscape drive the development of memory T cells. However, specific extrinsic signals that promote the formation and maintenance of memory T cells within tissue are poorly understood. During chronic infection, there is an increase in extracellular glutamate that, due to its function as an excitatory neurotransmitter, is normally tightly controlled in the CNS. Here we demonstrate that CD8+ T cells from the T. gondii-infected brain parenchyma are enriched for metabotropic glutamate receptors (mGluR's). Characterization studies determined that mGluR+ expression by CD8+ T cells defines a distinct memory population at the transcriptional and protein level. Finally, using receptor antagonists and agonists we demonstrate mGluR signaling is required for optimal CD8+ T cell production of the effector cytokine IFNγ. This work suggests that glutamate is an important environmental signal of inflammation that promotes T cell function. Understanding glutamate's influence on T cells in the brain can provide insights into the mechanisms that govern protective immunity against CNS-infiltrating pathogens and neuroinflammation.
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Affiliation(s)
- Edward A Vizcarra
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Arzu Ulu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Tyler A Landrith
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Xinru Qiu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Adam Godzik
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States
| | - Emma H Wilson
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, United States.
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21
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Wang PH, Washburn RS, Mariuzza DL, Lin WHW, Gill AL, Ahmed R, Reiner SL. Reciprocal transmission of activating and inhibitory signals and cell fate in regenerating T cells. Cell Rep 2023; 42:113155. [PMID: 37756164 PMCID: PMC10872930 DOI: 10.1016/j.celrep.2023.113155] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/14/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
The ability of activated progenitor T cells to self-renew while producing differentiated effector cell descendants may underlie immunological memory and persistent responses to ongoing infection. The nature of stem-like T cells responding to cancer and during treatment with immunotherapy is not clear. The subcellular organization of dividing progenitor CD8+ T cells from mice challenged with syngeneic tumors is examined here. Three-dimensional microscopy reveals an activating hub composed of polarized CD3, CD28, and phosphatidylinositol 3-kinase (PI3K) activity at the putative immunological synapse with an inhibitory hub composed of polarized PD-1 and CD73 at the opposite pole of mitotic blasts. Progenitor T cells from untreated and inhibitory checkpoint blockade-treated mice yield a differentiated TCF1- daughter cell, which inherits the PI3K activation hub, alongside a discordantly fated, self-renewing TCF1+ sister cell. Dynamic organization of opposite activating and inhibitory signaling poles in mitotic lymphocytes may account for the enigmatic durability of specific immunity.
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Affiliation(s)
- Peter H Wang
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Robert S Washburn
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Dylan L Mariuzza
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Wen-Hsuan W Lin
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Amanda L Gill
- Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30329, USA
| | - Rafi Ahmed
- Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30329, USA
| | - Steven L Reiner
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA; Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA.
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22
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Wells AC, Hioki KA, Angelou CC, Lynch AC, Liang X, Ryan DJ, Thesmar I, Zhanybekova S, Zuklys S, Ullom J, Cheong A, Mager J, Hollander GA, Pobezinskaya EL, Pobezinsky LA. Let-7 enhances murine anti-tumor CD8 T cell responses by promoting memory and antagonizing terminal differentiation. Nat Commun 2023; 14:5585. [PMID: 37696797 PMCID: PMC10495470 DOI: 10.1038/s41467-023-40959-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 08/17/2023] [Indexed: 09/13/2023] Open
Abstract
The success of the CD8 T cell-mediated immune response against infections and tumors depends on the formation of a long-lived memory pool, and the protection of effector cells from exhaustion. The advent of checkpoint blockade therapy has significantly improved anti-tumor therapeutic outcomes by reversing CD8 T cell exhaustion, but fails to generate effector cells with memory potential. Here, using in vivo mouse models, we show that let-7 miRNAs determine CD8 T cell fate, where maintenance of let-7 expression during early cell activation results in memory CD8 T cell formation and tumor clearance. Conversely, let-7-deficiency promotes the generation of a terminal effector population that becomes vulnerable to exhaustion and cell death in immunosuppressive environments and fails to reject tumors. Mechanistically, let-7 restrains metabolic changes that occur during T cell activation through the inhibition of the PI3K/AKT/mTOR signaling pathway and production of reactive oxygen species, potent drivers of terminal differentiation and exhaustion. Thus, our results reveal a role for let-7 in the time-sensitive support of memory formation and the protection of effector cells from exhaustion. Overall, our data suggest a strategy in developing next-generation immunotherapies by preserving the multipotency of effector cells rather than enhancing the efficacy of differentiation.
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Affiliation(s)
- Alexandria C Wells
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Kaito A Hioki
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
- UMass Biotech Training Program (BTP), Amherst, MA, USA
| | - Constance C Angelou
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Adam C Lynch
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Xueting Liang
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Daniel J Ryan
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Iris Thesmar
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Saule Zhanybekova
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children's Hospital Basel, Basel, Switzerland
| | - Saulius Zuklys
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children's Hospital Basel, Basel, Switzerland
| | - Jacob Ullom
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Agnes Cheong
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Jesse Mager
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA
| | - Georg A Hollander
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children's Hospital Basel, Basel, Switzerland
| | - Elena L Pobezinskaya
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA.
| | - Leonid A Pobezinsky
- Department of Veterinary and Animal science, University of Massachusetts, Amherst, MA, USA.
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23
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Sturmlechner I, Jain A, Mu Y, Weyand CM, Goronzy JJ. T cell fate decisions during memory cell generation with aging. Semin Immunol 2023; 69:101800. [PMID: 37494738 PMCID: PMC10528238 DOI: 10.1016/j.smim.2023.101800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The defense against infectious diseases, either through natural immunity or after vaccinations, relies on the generation and maintenance of protective T cell memory. Naïve T cells are at the center of memory T cell generation during primary responses. Upon activation, they undergo a complex, highly regulated differentiation process towards different functional states. Naïve T cells maintained into older age have undergone epigenetic adaptations that influence their fate decisions during differentiation. We review age-sensitive, molecular pathways and gene regulatory networks that bias naïve T cell differentiation towards effector cell generation at the expense of memory and Tfh cells. As a result, T cell differentiation in older adults is associated with release of bioactive waste products into the microenvironment, higher stress sensitivity as well as skewing towards pro-inflammatory signatures and shorter life spans. These maladaptations not only contribute to poor vaccine responses in older adults but also fuel a more inflammatory state.
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Affiliation(s)
- Ines Sturmlechner
- Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Abhinav Jain
- Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Yunmei Mu
- Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Cornelia M Weyand
- Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Medicine, Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Jörg J Goronzy
- Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Medicine, Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Robert and Arlene Kogod Center on Aging, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA.
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24
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Chen Y, Xu Z, Sun H, Ouyang X, Han Y, Yu H, Wu N, Xie Y, Su B. Regulation of CD8 + T memory and exhaustion by the mTOR signals. Cell Mol Immunol 2023; 20:1023-1039. [PMID: 37582972 PMCID: PMC10468538 DOI: 10.1038/s41423-023-01064-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 07/02/2023] [Indexed: 08/17/2023] Open
Abstract
CD8+ T cells are the key executioners of the adaptive immune arm, which mediates antitumor and antiviral immunity. Naïve CD8+ T cells develop in the thymus and are quickly activated in the periphery after encountering a cognate antigen, which induces these cells to proliferate and differentiate into effector cells that fight the initial infection. Simultaneously, a fraction of these cells become long-lived memory CD8+ T cells that combat future infections. Notably, the generation and maintenance of memory cells is profoundly affected by various in vivo conditions, such as the mode of primary activation (e.g., acute vs. chronic immunization) or fluctuations in host metabolic, inflammatory, or aging factors. Therefore, many T cells may be lost or become exhausted and no longer functional. Complicated intracellular signaling pathways, transcription factors, epigenetic modifications, and metabolic processes are involved in this process. Therefore, understanding the cellular and molecular basis for the generation and fate of memory and exhausted CD8+ cells is central for harnessing cellular immunity. In this review, we focus on mammalian target of rapamycin (mTOR), particularly signaling mediated by mTOR complex (mTORC) 2 in memory and exhausted CD8+ T cells at the molecular level.
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Affiliation(s)
- Yao Chen
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ziyang Xu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Hongxiang Sun
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xinxing Ouyang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
- Department of Tumor Biology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yuheng Han
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Haihui Yu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ningbo Wu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yiting Xie
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Bing Su
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, and The Ministry of Education Key Laboratory of Cell Death and Differentiation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Department of Tumor Biology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Shanghai Jiao Tong University School of Medicine-Yale Institute for Immune Metabolism, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Key Laboratory of Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, China.
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25
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Eyraud E, Maurat E, Sac-Epée JM, Henrot P, Zysman M, Esteves P, Trian T, Dupuy JW, Leipold A, Saliba AE, Begueret H, Girodet PO, Thumerel M, Hustache-Castaing R, Marthan R, Levet F, Vallois P, Contin-Bordes C, Berger P, Dupin I. Short-range interactions between fibrocytes and CD8 + T cells in COPD bronchial inflammatory response. eLife 2023; 12:RP85875. [PMID: 37494277 PMCID: PMC10371228 DOI: 10.7554/elife.85875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023] Open
Abstract
Bronchi of chronic obstructive pulmonary disease (COPD) are the site of extensive cell infiltration, allowing persistent contact between resident cells and immune cells. Tissue fibrocytes interaction with CD8+ T cells and its consequences were investigated using a combination of in situ, in vitro experiments and mathematical modeling. We show that fibrocytes and CD8+ T cells are found in the vicinity of distal airways and that potential interactions are more frequent in tissues from COPD patients compared to those of control subjects. Increased proximity and clusterization between CD8+ T cells and fibrocytes are associated with altered lung function. Tissular CD8+ T cells from COPD patients promote fibrocyte chemotaxis via the CXCL8-CXCR1/2 axis. Live imaging shows that CD8+ T cells establish short-term interactions with fibrocytes, that trigger CD8+ T cell proliferation in a CD54- and CD86-dependent manner, pro-inflammatory cytokines production, CD8+ T cell cytotoxic activity against bronchial epithelial cells and fibrocyte immunomodulatory properties. We defined a computational model describing these intercellular interactions and calibrated the parameters based on our experimental measurements. We show the model's ability to reproduce histological ex vivo characteristics, and observe an important contribution of fibrocyte-mediated CD8+ T cell proliferation in COPD development. Using the model to test therapeutic scenarios, we predict a recovery time of several years, and the failure of targeting chemotaxis or interacting processes. Altogether, our study reveals that local interactions between fibrocytes and CD8+ T cells could jeopardize the balance between protective immunity and chronic inflammation in the bronchi of COPD patients.
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Affiliation(s)
- Edmée Eyraud
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
| | - Elise Maurat
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
| | - Jean-Marc Sac-Epée
- Univ-Lorraine, Institut Elie Cartan de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Pauline Henrot
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- Helmholtz Institute for RNA-based Infection Research (HIRI), Helmholtz-Center for Infection Research (HZI), Würzburg, Germany
| | - Maeva Zysman
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- Helmholtz Institute for RNA-based Infection Research (HIRI), Helmholtz-Center for Infection Research (HZI), Würzburg, Germany
| | - Pauline Esteves
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
| | - Thomas Trian
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
| | - Jean-William Dupuy
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
| | - Alexander Leipold
- Helmholtz Institute for RNA-based Infection Research (HIRI), Helmholtz-Center for Infection Research (HZI), Würzburg, Germany
| | - Antoine-Emmanuel Saliba
- Helmholtz Institute for RNA-based Infection Research (HIRI), Helmholtz-Center for Infection Research (HZI), Würzburg, Germany
| | - Hugues Begueret
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- CHU de Bordeaux, Service d'exploration fonctionnelle respiratoire, Pessac, France
| | - Pierre-Olivier Girodet
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- CHU de Bordeaux, Service d'exploration fonctionnelle respiratoire, Pessac, France
| | - Matthieu Thumerel
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- CHU de Bordeaux, Service d'exploration fonctionnelle respiratoire, Pessac, France
| | - Romain Hustache-Castaing
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- CHU de Bordeaux, Service d'exploration fonctionnelle respiratoire, Pessac, France
| | - Roger Marthan
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- CHU de Bordeaux, Service d'exploration fonctionnelle respiratoire, Pessac, France
| | - Florian Levet
- Univ. Bordeaux, CNRS, INSERM, Bordeaux Imaging Center, Bordeaux, France
- Univ. Bordeaux, CNRS, Interdisciplinary Institute for Neuroscience, Bordeaux, France
| | - Pierre Vallois
- Univ-Lorraine, Institut Elie Cartan de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Cécile Contin-Bordes
- CNRS, UMR5164 ImmunoConcEpT, Université de Bordeaux, Bordeaux, France
- CHU de Bordeaux, Laboratoire d'Immunologie et Immunogénétique, Bordeaux, France
| | - Patrick Berger
- Univ-Bordeaux, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Département de Pharmacologie, CIC1401, Proteomics Facility, Pessac, France
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
- CHU de Bordeaux, Service d'exploration fonctionnelle respiratoire, Pessac, France
| | - Isabelle Dupin
- INSERM, Centre de Recherche Cardio-thoracique de Bordeaux, U1045, Pessac, France
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26
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Gräbnitz F, Stark D, Shlesinger D, Petkidis A, Borsa M, Yermanos A, Carr A, Barandun N, Wehling A, Balaz M, Schroeder T, Oxenius A. Asymmetric cell division safeguards memory CD8 T cell development. Cell Rep 2023; 42:112468. [PMID: 37178119 DOI: 10.1016/j.celrep.2023.112468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/20/2023] [Accepted: 04/18/2023] [Indexed: 05/15/2023] Open
Abstract
The strength of T cell receptor (TCR) stimulation and asymmetric distribution of fate determinants are both implied to affect T cell differentiation. Here, we uncover asymmetric cell division (ACD) as a safeguard mechanism for memory CD8 T cell generation specifically upon strong TCR stimulation. Using live imaging approaches, we find that strong TCR stimulation induces elevated ACD rates, and subsequent single-cell-derived colonies comprise both effector and memory precursor cells. The abundance of memory precursor cells emerging from a single activated T cell positively correlates with first mitosis ACD. Accordingly, preventing ACD by inhibition of protein kinase Cζ (PKCζ) during the first mitosis upon strong TCR stimulation markedly curtails the formation of memory precursor cells. Conversely, no effect of ACD on fate commitment is observed upon weak TCR stimulation. Our data provide relevant mechanistic insights into the role of ACD for CD8 T cell fate regulation upon different activation conditions.
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Affiliation(s)
- Fabienne Gräbnitz
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
| | - Dominique Stark
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
| | - Danielle Shlesinger
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland
| | - Anthony Petkidis
- Department of Molecular Life Sciences, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Mariana Borsa
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland; The Kennedy Institute of Rheumatology, NDORMS, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, UK
| | - Alexander Yermanos
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland; Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland; Center for Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Andreas Carr
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
| | - Niculò Barandun
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland
| | - Arne Wehling
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland
| | - Miroslav Balaz
- Department of Metabolic Disease Research, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovakia; Department of Health Sciences and Technology, ETH Zurich, Schorenstrasse 16, 8603 Schwerzenbach, Switzerland
| | - Timm Schroeder
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058 Basel, Switzerland
| | - Annette Oxenius
- Institute of Microbiology, ETH Zurich, Vladimir-Prelog-Weg 4, 8093 Zurich, Switzerland.
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27
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Abstract
Historically, the immune system was believed to develop along a linear axis of maturity from fetal life to adulthood. Now, it is clear that distinct layers of immune cells are generated from unique waves of hematopoietic progenitors during different windows of development. This model, known as the layered immune model, has provided a useful framework for understanding why distinct lineages of B cells and γδ T cells arise in succession and display unique functions in adulthood. However, the layered immune model has not been applied to CD8+ T cells, which are still often viewed as a uniform population of cells belonging to the same lineage, with functional differences between cells arising from environmental factors encountered during infection. Recent studies have challenged this idea, demonstrating that not all CD8+ T cells are created equally and that the functions of individual CD8+ T cells in adults are linked to when they were created in the host. In this review, we discuss the accumulating evidence suggesting there are distinct ontogenetic subpopulations of CD8+ T cells and propose that the layered immune model be extended to the CD8+ T cell compartment.
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Affiliation(s)
- Cybelle Tabilas
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
- Co-first author
| | - Norah L. Smith
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
- Co-first author
| | - Brian D. Rudd
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
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28
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Javorsky A, Maddumage JC, Mackie ERR, Soares da Costa TP, Humbert PO, Kvansakul M. Structural insight into the Scribble PDZ domains interaction with the oncogenic Human T-cell lymphotrophic virus-1 (HTLV-1) Tax1 PBM. FEBS J 2023; 290:974-987. [PMID: 36029163 PMCID: PMC10952772 DOI: 10.1111/febs.16607] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 07/14/2022] [Accepted: 08/25/2022] [Indexed: 11/28/2022]
Abstract
Scribble (Scrib) is a highly conserved cell polarity regulator that harbours potent tumour suppressor activity and plays an important role in cell migration. Dysregulation of polarity is associated with poor prognosis during viral infections. Human T-cell lymphotrophic virus-1 (HTLV-1) encodes for the oncogenic Tax1 protein, a modulator of the transcription of viral and human proteins that can cause cell cycle dysregulation as well as a loss of genomic integrity. Previous studies established that Scribble interacts with Tax1 via its C-terminal PDZ-binding motif (PBM), leading to aggregation of polarity regulators and subsequent perturbation of host cell adhesion, proliferation, and signalling. Using isothermal titration calorimetry, we now show that all four PDZ domains of Scribble bind to Tax1 PBM. We then determined crystal structures of Scribble PDZ1, PDZ2 and PDZ3 domains bound to Tax1 PBM. Our findings establish a structural basis for Tax1-mediated subversion of Scribble-mediated cell polarity signalling and provide the platform for mechanistic studies to examine Tax1 induced mislocalization of Scribble and the associated changes in cellular architecture and subsequent tumorigenesis.
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Affiliation(s)
- Airah Javorsky
- Department of Biochemistry & Chemistry, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVic.Australia
| | - Janesha C. Maddumage
- Department of Biochemistry & Chemistry, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVic.Australia
| | - Emily R. R. Mackie
- Department of Biochemistry & Chemistry, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVic.Australia
| | - Tatiana P. Soares da Costa
- Department of Biochemistry & Chemistry, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVic.Australia
| | - Patrick O. Humbert
- Department of Biochemistry & Chemistry, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVic.Australia
- Research Centre for Molecular Cancer PreventionLa Trobe UniversityMelbourneVic.Australia
- Department of Biochemistry & PharmacologyUniversity of MelbourneMelbourneVic.Australia
- Department of Clinical PathologyUniversity of MelbourneMelbourneVic.Australia
| | - Marc Kvansakul
- Department of Biochemistry & Chemistry, La Trobe Institute for Molecular ScienceLa Trobe UniversityMelbourneVic.Australia
- Research Centre for Molecular Cancer PreventionLa Trobe UniversityMelbourneVic.Australia
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29
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Alba G, Dakhaoui H, Santa-Maria C, Palomares F, Cejudo-Guillen M, Geniz I, Sobrino F, Montserrat-de la Paz S, Lopez-Enriquez S. Nutraceuticals as Potential Therapeutic Modulators in Immunometabolism. Nutrients 2023; 15:411. [PMID: 36678282 PMCID: PMC9865834 DOI: 10.3390/nu15020411] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/14/2023] Open
Abstract
Nutraceuticals act as cellular and functional modulators, contributing to the homeostasis of physiological processes. In an inflammatory microenvironment, these functional foods can interact with the immune system by modulating or balancing the exacerbated proinflammatory response. In this process, immune cells, such as antigen-presenting cells (APCs), identify danger signals and, after interacting with T lymphocytes, induce a specific effector response. Moreover, this conditions their change of state with phenotypical and functional modifications from the resting state to the activated and effector state, supposing an increase in their energy requirements that affect their intracellular metabolism, with each immune cell showing a unique metabolic signature. Thus, nutraceuticals, such as polyphenols, vitamins, fatty acids, and sulforaphane, represent an active option to use therapeutically for health or the prevention of different pathologies, including obesity, metabolic syndrome, and diabetes. To regulate the inflammation associated with these pathologies, intervention in metabolic pathways through the modulation of metabolic energy with nutraceuticals is an attractive strategy that allows inducing important changes in cellular properties. Thus, we provide an overview of the link between metabolism, immune function, and nutraceuticals in chronic inflammatory processes associated with obesity and diabetes, paying particular attention to nutritional effects on APC and T cell immunometabolism, as well as the mechanisms required in the change in energetic pathways involved after their activation.
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Affiliation(s)
- Gonzalo Alba
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Hala Dakhaoui
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Consuelo Santa-Maria
- Department of Biochemistry and Molecular Biology, School of Pharmacy, University of Seville, 41012 Seville, Spain
| | - Francisca Palomares
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Marta Cejudo-Guillen
- Department of Pharmacology, Pediatry, and Radiology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Isabel Geniz
- Distrito Sanitario Seville Norte y Aljarafe, Servicio Andaluz de Salud, 41008 Seville, Spain
| | - Francisco Sobrino
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Sergio Montserrat-de la Paz
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Soledad Lopez-Enriquez
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville. Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
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Pineau J, Moreau H, Duménil AML, Pierobon P. Polarity in immune cells. Curr Top Dev Biol 2023; 154:197-222. [PMID: 37100518 DOI: 10.1016/bs.ctdb.2023.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Immune cells are responsible for pathogen detection and elimination, as well as for signaling to other cells the presence of potential danger. In order to mount an efficient immune response, they need to move and search for a pathogen, interact with other cells, and diversify the population by asymmetric cell division. All these actions are regulated by cell polarity: cell polarity controls cell motility, which is crucial for scanning peripheral tissues to detect pathogens, and recruiting immune cells to sites of infection; immune cells, in particular lymphocytes, communicate with each other by a direct contact called immunological synapse, which entails a global polarization of the cell and plays a role in activating lymphocyte response; finally, immune cells divide asymmetrically from a precursor, generating a diversity of phenotypes and cell types among daughter cells, such as memory and effector cells. This review aims at providing an overview from both biology and physics perspectives of how cell polarity shapes the main immune cell functions.
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Affiliation(s)
- Judith Pineau
- Institut Curie, PSL Research University, INSERM U932, Paris, Cedex, France; Université Paris Cité, Paris, France
| | - Hélène Moreau
- Institut Curie, PSL Research University, INSERM U932, Paris, Cedex, France
| | | | - Paolo Pierobon
- Institut Curie, PSL Research University, INSERM U932, Paris, Cedex, France.
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Quezada LK, Jin W, Liu YC, Kim ES, He Z, Indralingam CS, Tysl T, Labarta-Bajo L, Wehrens EJ, Jo Y, Kazane KR, Hattori C, Zuniga EI, Yeo GW, Chang JT. Early transcriptional and epigenetic divergence of CD8+ T cells responding to acute versus chronic infection. PLoS Biol 2023; 21:e3001983. [PMID: 36716323 PMCID: PMC9886247 DOI: 10.1371/journal.pbio.3001983] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 01/03/2023] [Indexed: 02/01/2023] Open
Abstract
During a microbial infection, responding CD8+ T cells give rise to effector cells that provide acute host defense and memory cells that provide sustained protection. An alternative outcome is exhaustion, a state of T cell dysfunction that occurs in the context of chronic infections and cancer. Although it is evident that exhausted CD8+ T (TEX) cells are phenotypically and molecularly distinct from effector and memory CD8+ T cells, the factors regulating the earliest events in the differentiation process of TEX cells remain incompletely understood. Here, we performed single-cell RNA-sequencing and single-cell ATAC-sequencing of CD8+ T cells responding to LCMV-Armstrong (LCMV-Arm) or LCMV-Clone 13 (LCMV-Cl13), which result in acute or chronic infections, respectively. Compared to CD8+ T cells that had undergone their first division in response to LCMV-Arm (Div1ARM) cells, CD8+ T cells that had undergone their first division in response to LCMV-Cl13 (Div1CL13) expressed higher levels of genes encoding transcription factors previously associated with exhaustion, along with higher levels of Ezh2, the catalytic component of the Polycomb Repressive Complex 2 (PRC2) complex, which mediates epigenetic silencing. Modulation of Ezh2 resulted in altered expression of exhaustion-associated molecules by CD8+ T cells responding to LCMV-Cl13, though the specific cellular and infectious contexts, rather than simply the level of Ezh2 expression, likely determine the eventual outcome. Taken together, these findings suggest that the differentiation paths of CD8+ T cells responding to acute versus chronic infections may diverge earlier than previously appreciated.
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Affiliation(s)
- Lauren K. Quezada
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Wenhao Jin
- Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Yi Chia Liu
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Eleanor S. Kim
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Zhaoren He
- Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Cynthia S. Indralingam
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Tiffani Tysl
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
| | - Lara Labarta-Bajo
- Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Ellen J. Wehrens
- Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Yeara Jo
- Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Katelynn R. Kazane
- Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Christopher Hattori
- Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Elina I. Zuniga
- Division of Biological Sciences, University of California San Diego, La Jolla, California, United States of America
| | - Gene W. Yeo
- Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, California, United States of America
- Institute for Genomic Medicine, University of California San Diego, La Jolla, California, United States of America
| | - John T. Chang
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
- Department of Medicine, Jennifer Moreno Department of Veteran Affairs Medical Center, San Diego, California, United States of America
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32
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Chi X, Luo S, Ye P, Hwang WL, Cha JH, Yan X, Yang WH. T-cell exhaustion and stemness in antitumor immunity: Characteristics, mechanisms, and implications. Front Immunol 2023; 14:1104771. [PMID: 36891319 PMCID: PMC9986432 DOI: 10.3389/fimmu.2023.1104771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/07/2023] [Indexed: 02/22/2023] Open
Abstract
T cells play a crucial role in the regulation of immune response and are integral to the efficacy of cancer immunotherapy. Because immunotherapy has emerged as a promising treatment for cancer, increasing attention has been focused on the differentiation and function of T cells in immune response. In this review, we describe the research progress on T-cell exhaustion and stemness in the field of cancer immunotherapy and summarize advances in potential strategies to intervene and treat chronic infection and cancer by reversing T-cell exhaustion and maintaining and increasing T-cell stemness. Moreover, we discuss therapeutic strategies to overcome T-cell immunodeficiency in the tumor microenvironment and promote continuous breakthroughs in the anticancer activity of T cells.
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Affiliation(s)
- Xiaoxia Chi
- Affiliated Cancer Hospital & Institute and Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Shahang Luo
- Affiliated Cancer Hospital & Institute and Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Peng Ye
- Department of Infectious Diseases, Guangzhou Panyu Central Hospital, Guangzhou, Guangdong, China
| | - Wei-Lun Hwang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jong-Ho Cha
- Department of Biomedical Science, College of Medicine, and Program in Biomedical Sciences and Engineering, Inha University, Incheon, Republic of Korea
| | - Xiuwen Yan
- Affiliated Cancer Hospital & Institute and Key Laboratory for Cell Homeostasis and Cancer Research of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wen-Hao Yang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
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Cho IS, Gupta P, Mostafazadeh N, Wong SW, Saichellappa S, Lenzini S, Peng Z, Shin J. Deterministic Single Cell Encapsulation in Asymmetric Microenvironments to Direct Cell Polarity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206014. [PMID: 36453581 PMCID: PMC9875620 DOI: 10.1002/advs.202206014] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Indexed: 06/17/2023]
Abstract
Various signals in tissue microenvironments are often unevenly distributed around cells. Cellular responses to asymmetric cell-matrix adhesion in a 3D space remain generally unclear and are to be studied at the single-cell resolution. Here, the authors developed a droplet-based microfluidic approach to manufacture a pure population of single cells in a microscale layer of compartmentalized 3D hydrogel matrices with a tunable spatial presentation of ligands at the subcellular level. Cells elongate with an asymmetric presentation of the integrin adhesion ligand Arg-Gly-Asp (RGD), while cells expand isotropically with a symmetric presentation of RGD. Membrane tension is higher on the side of single cells interacting with RGD than on the side without RGD. Finite element analysis shows that a non-uniform isotropic cell volume expansion model is sufficient to recapitulate the experimental results. At a longer timescale, asymmetric ligand presentation commits mesenchymal stem cells to the osteogenic lineage. Cdc42 is an essential mediator of cell polarization and lineage specification in response to asymmetric cell-matrix adhesion. This study highlights the utility of precisely controlling 3D ligand presentation around single cells to direct cell polarity for regenerative engineering and medicine.
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Affiliation(s)
- Ik Sung Cho
- Department of Pharmacology and Regenerative MedicineUniversity of Illinois at Chicago College of MedicineChicagoIL60612USA
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Prerak Gupta
- Department of Pharmacology and Regenerative MedicineUniversity of Illinois at Chicago College of MedicineChicagoIL60612USA
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Nima Mostafazadeh
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Sing Wan Wong
- Department of Pharmacology and Regenerative MedicineUniversity of Illinois at Chicago College of MedicineChicagoIL60612USA
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Saiumamaheswari Saichellappa
- Department of Pharmacology and Regenerative MedicineUniversity of Illinois at Chicago College of MedicineChicagoIL60612USA
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Stephen Lenzini
- Department of Pharmacology and Regenerative MedicineUniversity of Illinois at Chicago College of MedicineChicagoIL60612USA
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Zhangli Peng
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
| | - Jae‐Won Shin
- Department of Pharmacology and Regenerative MedicineUniversity of Illinois at Chicago College of MedicineChicagoIL60612USA
- Department of Biomedical EngineeringUniversity of Illinois at ChicagoChicagoIL60607USA
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Oladipo OO, Adedeji BO, Adedokun SP, Gbadamosi JA, Salaudeen M. Regulation of effector and memory CD8 + T cell differentiation: a focus on orphan nuclear receptor NR4A family, transcription factor, and metabolism. Immunol Res 2022; 71:314-327. [PMID: 36571657 DOI: 10.1007/s12026-022-09353-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 12/16/2022] [Indexed: 12/27/2022]
Abstract
CD8 + T cells undergo rapid expansion followed by contraction and the development of memory cells after their receptors are activated. The development of immunological memory following acute infection is a complex phenomenon that involves several molecular, transcriptional, and metabolic mechanisms. As memory cells confer long-term protection and respond to secondary stimulation with strong effector function, understanding the mechanisms that influence their development is of great importance. Orphan nuclear receptors, NR4As, are immediate early genes that function as transcription factors and bind with the NBRE region of chromatin. Interestingly, the NBRE region of activated CD8 + T cells is highly accessible at the same time the expression of NR4As is induced. This suggests a potential role of NR4As in the early events post T cell activation that determines cell fate decisions. In this review, we will discuss the influence of NR4As on the differentiation of CD8 + T cells during the immune response to acute infection and the development of immunological memory. We will also discuss the signals, transcription factors, and metabolic mechanisms that control cell fate decisions. HIGHLIGHTS: Memory CD8 + T cells are an essential subset that mediates long-term protection after pathogen encounters. Some specific environmental cues, transcriptional factors, and metabolic pathways regulate the differentiation of CD8 + T cells and the development of memory cells. Orphan nuclear receptor NR4As are early genes that act as transcription factors and are highly expressed post-T cell receptor activation. NR4As influence the effector function and differentiation of CD8 + T cells and also control the development of immunological memory following acute infection.
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Affiliation(s)
- Oladapo O Oladipo
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
- College of Health Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
| | - Bernard O Adedeji
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
- College of Health Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
- Department of Biochemistry and Nutrition, Nigerian Institute of Medical Research (NIMR), Yaba, Lagos, Nigeria
| | - Samson P Adedokun
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
- College of Health Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
| | - Jibriil A Gbadamosi
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
- College of Health Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
| | - Marzuq Salaudeen
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
- College of Health Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria
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35
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Natalini A, Simonetti S, Sher C, D’Oro U, Hayday AC, Di Rosa F. Durable CD8 T Cell Memory against SARS-CoV-2 by Prime/Boost and Multi-Dose Vaccination: Considerations on Inter-Dose Time Intervals. Int J Mol Sci 2022; 23:14367. [PMID: 36430845 PMCID: PMC9698736 DOI: 10.3390/ijms232214367] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/08/2022] [Accepted: 11/14/2022] [Indexed: 11/22/2022] Open
Abstract
Facing the COVID-19 pandemic, anti-SARS-CoV-2 vaccines were developed at unprecedented pace, productively exploiting contemporary fundamental research and prior art. Large-scale use of anti-SARS-CoV-2 vaccines has greatly limited severe morbidity and mortality. Protection has been correlated with high serum titres of neutralizing antibodies capable of blocking the interaction between the viral surface protein spike and the host SARS-CoV-2 receptor, ACE-2. Yet, vaccine-induced protection subsides over time, and breakthrough infections are commonly observed, mostly reflecting the decay of neutralizing antibodies and the emergence of variant viruses with mutant spike proteins. Memory CD8 T cells are a potent weapon against viruses, as they are against tumour cells. Anti-SARS-CoV-2 memory CD8 T cells are induced by either natural infection or vaccination and can be potentially exploited against spike-mutated viruses. We offer here an overview of current research about the induction of anti-SARS-CoV-2 memory CD8 T cells by vaccination, in the context of prior knowledge on vaccines and on fundamental mechanisms of immunological memory. We focus particularly on how vaccination by two doses (prime/boost) or more (boosters) promotes differentiation of memory CD8 T cells, and on how the time-length of inter-dose intervals may influence the magnitude and persistence of CD8 T cell memory.
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Affiliation(s)
- Ambra Natalini
- Institute of Molecular Biology and Pathology, National Research Council of Italy (CNR), 00161 Rome, Italy
- Immunosurveillance Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Sonia Simonetti
- Institute of Molecular Biology and Pathology, National Research Council of Italy (CNR), 00161 Rome, Italy
- Medical Oncology Department, Campus Bio-Medico University, 00128 Rome, Italy
| | - Carmel Sher
- Institute of Molecular Biology and Pathology, National Research Council of Italy (CNR), 00161 Rome, Italy
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | | | - Adrian C. Hayday
- Immunosurveillance Laboratory, The Francis Crick Institute, London NW1 1AT, UK
- Peter Gorer Department of Immunobiology, King’s College London, London WC2R 2LS, UK
- National Institute for Health and Research (NIHR) Biomedical Research Center (BRC), Guy’s and St Thomas’ NHS Foundation Trust, King’s College London, London WC2R 2LS, UK
| | - Francesca Di Rosa
- Institute of Molecular Biology and Pathology, National Research Council of Italy (CNR), 00161 Rome, Italy
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36
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Yu W, Li C, Zhang D, Li Z, Xia P, Liu X, Cai X, Yang P, Ling J, Zhang J, Zhang M, Yu P. Advances in T Cells Based on Inflammation in Metabolic Diseases. Cells 2022; 11:cells11223554. [PMID: 36428983 PMCID: PMC9688178 DOI: 10.3390/cells11223554] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/26/2022] [Accepted: 11/02/2022] [Indexed: 11/12/2022] Open
Abstract
With the increasing incidence of metabolic diseases year by year and their impact on the incidence of cardiovascular diseases, metabolic diseases have attracted great attention as a major health care problem, but there is still no effective treatment. Oxidative stress and inflammation are the main mechanisms leading to metabolic diseases. T cells are involved in the inflammatory response, which can also regulate the development of metabolic diseases, CD4+ T cells and CD8+ T cells are mainly responsible for the role. Th1 and Th17 differentiated from CD4+ T promote inflammation, while Th2 and Treg inhibit inflammation. CD8+ T cells also contribute to inflammation. The severity and duration of inflammatory reactions can also lead to different degrees of progression of metabolic diseases. Moreover, mTOR, PI3K-Akt, and AMPK signaling pathways play unique roles in the regulation of T cells, which provide a new direction for the treatment of metabolic diseases in the future. In this review, we will elaborate on the role of T cells in regulating inflammation in various metabolic diseases, the signaling pathways that regulate T cells in metabolic diseases, and the latest research progress.
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Affiliation(s)
- Wenlu Yu
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- School of Ophthalmology and Optometry, Nanchang University, Nanchang 330000, China
| | - Chunxiu Li
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- School of Ophthalmology and Optometry, Nanchang University, Nanchang 330000, China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong 999077, China
| | - Zhangwang Li
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- The Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Panpan Xia
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Xiao Liu
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Xia Cai
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Pingping Yang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Jitao Ling
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- Correspondence: (J.Z.); (P.Y.)
| | - Meiying Zhang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Peng Yu
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- Correspondence: (J.Z.); (P.Y.)
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Feliciangeli F, Dreiwi H, López-García M, Castro Ponce M, Molina-París C, Lythe G. Why are cell populations maintained via multiple compartments? J R Soc Interface 2022; 19:20220629. [PMID: 36349449 PMCID: PMC9653237 DOI: 10.1098/rsif.2022.0629] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 10/12/2022] [Indexed: 10/02/2023] Open
Abstract
We consider the maintenance of 'product' cell populations from 'progenitor' cells via a sequence of one or more cell types, or compartments, where each cell's fate is chosen stochastically. If there is only one compartment then large amplification, that is, a large ratio of product cells to progenitors comes with disadvantages. The product cell population is dominated by large families (cells descended from the same progenitor) and many generations separate, on average, product cells from progenitors. These disadvantages are avoided using suitably constructed sequences of compartments: the amplification factor of a sequence is the product of the amplification factors of each compartment, while the average number of generations is a sum over contributions from each compartment. Passing through multiple compartments is, in fact, an efficient way to maintain a product cell population from a small flux of progenitors, avoiding excessive clonality and minimizing the number of rounds of division en route. We use division, exit and death rates, estimated from measurements of single-positive thymocytes, to choose illustrative parameter values in the single-compartment case. We also consider a five-compartment model of thymocyte differentiation, from double-negative precursors to single-positive product cells.
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Affiliation(s)
- Flavia Feliciangeli
- School of Mathematics, University of Leeds, Leeds LS2 9JT, UK
- Systems Pharmacology and Medicine, Bayer AG, Leverkusen 51368, Germany
| | - Hanan Dreiwi
- School of Mathematics, University of Leeds, Leeds LS2 9JT, UK
| | | | - Mario Castro Ponce
- Instituto de Investigación Tecnológica (ITT), Universidad Pontificia Comillas, Madrid, Spain
| | - Carmen Molina-París
- School of Mathematics, University of Leeds, Leeds LS2 9JT, UK
- T-6, Theoretical Biology and Biophysics, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Grant Lythe
- School of Mathematics, University of Leeds, Leeds LS2 9JT, UK
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38
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Endo Y, Kanno T, Nakajima T. Fatty acid metabolism in T-cell function and differentiation. Int Immunol 2022; 34:579-587. [PMID: 35700102 DOI: 10.1093/intimm/dxac025] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 06/12/2022] [Indexed: 01/07/2023] Open
Abstract
Immunometabolism has recently emerged as a field of study examining the intersection between immunology and metabolism. Studies in this area have yielded new findings on the roles of a diverse range of metabolic pathways and metabolites, which have been found to control many aspects of T-cell biology, including cell differentiation, function and fate. A particularly important finding has been the discovery that to meet the energy requirements associated with their proliferation, activation and specific functions, T cells switch their metabolic signatures during differentiation. For example, whereas the induction of de novo fatty acid biosynthesis and fatty acid uptake programs are required for antigen-stimulation-induced proliferation and differentiation of effector T cells, fatty acid catabolism via β-oxidation is essential for the generation of memory T cells and the differentiation of regulatory T cells. In this review, we discuss recent advances in our understanding of the metabolism in different stages of T cells and how fatty acid metabolism in these cells controls their specific functions.
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Affiliation(s)
- Yusuke Endo
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba 292-0818, Japan.,Department of Omics Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan
| | - Toshio Kanno
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba 292-0818, Japan
| | - Takahiro Nakajima
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba 292-0818, Japan
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Lanna A, Vaz B, D'Ambra C, Valvo S, Vuotto C, Chiurchiù V, Devine O, Sanchez M, Borsellino G, Akbar AN, De Bardi M, Gilroy DW, Dustin ML, Blumer B, Karin M. An intercellular transfer of telomeres rescues T cells from senescence and promotes long-term immunological memory. Nat Cell Biol 2022; 24:1461-1474. [PMID: 36109671 PMCID: PMC7613731 DOI: 10.1038/s41556-022-00991-z] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 08/11/2022] [Indexed: 02/06/2023]
Abstract
The common view is that T lymphocytes activate telomerase to delay senescence. Here we show that some T cells (primarily naïve and central memory cells) elongated telomeres by acquiring telomere vesicles from antigen-presenting cells (APCs) independently of telomerase action. Upon contact with these T cells, APCs degraded shelterin to donate telomeres, which were cleaved by the telomere trimming factor TZAP, and then transferred in extracellular vesicles at the immunological synapse. Telomere vesicles retained the Rad51 recombination factor that enabled telomere fusion with T-cell chromosome ends lengthening them by an average of ~3,000 base pairs. Thus, there are antigen-specific populations of T cells whose ageing fate decisions are based on telomere vesicle transfer upon initial contact with APCs. These telomere-acquiring T cells are protected from senescence before clonal division begins, conferring long-lasting immune protection.
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Affiliation(s)
- Alessio Lanna
- Sentcell UK Laboratories, IRCCS Fondazione Santa Lucia, Rome, Italy.
- Department of Experimental and Translational Medicine, Division of Medicine, University College London, London, UK.
| | - Bruno Vaz
- Sentcell UK Laboratories, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Clara D'Ambra
- Sentcell UK Laboratories, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Salvatore Valvo
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Claudia Vuotto
- Experimental Neuroscience, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Valerio Chiurchiù
- Institute of Translational Pharmacology, National Research Council, Rome, Italy
- Laboratory of Resolution of Neuroinflammation, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Oliver Devine
- Division of Infection and Immunity, University College London, London, UK
| | | | | | - Arne N Akbar
- Department of Experimental and Translational Medicine, Division of Medicine, University College London, London, UK
- Division of Infection and Immunity, University College London, London, UK
| | - Marco De Bardi
- NeuroImmunology Unit, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Derek W Gilroy
- Department of Experimental and Translational Medicine, Division of Medicine, University College London, London, UK
| | - Michael L Dustin
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Brendan Blumer
- Block.one, George Town, Cayman Islands
- Block.one, Hong Kong, Hong Kong
| | - Michael Karin
- Laboratory of Gene Regulation and Signal Transduction, University California, San Diego, CA, USA
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Huang J, Leary S, Xiang J. Distinct strengths of mTORC1 control T-cell memory via transcriptional FOXO1 and metabolic AMPKα1 pathways in linear cell differentiation and asymmetric cell division models. Cell Mol Immunol 2022; 19:1073-1076. [PMID: 35589987 PMCID: PMC9508075 DOI: 10.1038/s41423-022-00879-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/04/2022] [Indexed: 01/26/2023] Open
Affiliation(s)
- Junqiong Huang
- Cancer Research Cluster, Saskatchewan Cancer Agency, Saskatoon, SK, Canada
- Department of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Scot Leary
- Department of Biochemistry, Microbiology and Immunology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Jim Xiang
- Cancer Research Cluster, Saskatchewan Cancer Agency, Saskatoon, SK, Canada.
- Department of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
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41
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Suarez-Ramirez JE, Cauley LS, Chandiran K. CTLs Get SMAD When Pathogens Tell Them Where to Go. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1025-1032. [PMID: 36130123 PMCID: PMC9512391 DOI: 10.4049/jimmunol.2200345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/18/2022] [Indexed: 01/04/2023]
Abstract
Vaccines protect against infections by eliciting both Ab and T cell responses. Because the immunity wanes as protective epitopes get modified by accruing mutations, developing strategies for immunization against new variants is a major priority for vaccine development. CTLs eliminate cells that support viral replication and provide protection against new variants by targeting epitopes from internal viral proteins. This form of protection has received limited attention during vaccine development, partly because reliable methods for directing pathogen-specific memory CD8 T cells to vulnerable tissues are currently unavailable. In this review we examine how recent studies expand our knowledge of mechanisms that contribute to the functional diversity of CTLs as they respond to infection. We discuss the role of TGF-β and the SMAD signaling cascade during genetic programming of pathogen-specific CTLs and the pathways that promote formation of a newly identified subset of terminally differentiated memory CD8 T cells that localize in the vasculature.
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42
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Sharma J, Mudalagiriyappa S, Nanjappa SG. T cell responses to control fungal infection in an immunological memory lens. Front Immunol 2022; 13:905867. [PMID: 36177012 PMCID: PMC9513067 DOI: 10.3389/fimmu.2022.905867] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 08/22/2022] [Indexed: 11/24/2022] Open
Abstract
In recent years, fungal vaccine research emanated significant findings in the field of antifungal T-cell immunity. The generation of effector T cells is essential to combat many mucosal and systemic fungal infections. The development of antifungal memory T cells is integral for controlling or preventing fungal infections, and understanding the factors, regulators, and modifiers that dictate the generation of such T cells is necessary. Despite the deficiency in the clear understanding of antifungal memory T-cell longevity and attributes, in this review, we will compile some of the existing literature on antifungal T-cell immunity in the context of memory T-cell development against fungal infections.
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Affiliation(s)
| | | | - Som Gowda Nanjappa
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, United States
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43
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Weymar GHJ, Bar-On Y, Oliveira TY, Gaebler C, Ramos V, Hartweger H, Breton G, Caskey M, Cohn LB, Jankovic M, Nussenzweig MC. Distinct gene expression by expanded clones of quiescent memory CD4 + T cells harboring intact latent HIV-1 proviruses. Cell Rep 2022; 40:111311. [PMID: 36070690 PMCID: PMC9471989 DOI: 10.1016/j.celrep.2022.111311] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/06/2022] [Accepted: 08/12/2022] [Indexed: 01/26/2023] Open
Abstract
Antiretroviral therapy controls, but does not cure, HIV-1 infection due to a reservoir of rare CD4+ T cells harboring latent proviruses. Little is known about the transcriptional program of latent cells. Here, we report a strategy to enrich clones of latent cells carrying intact, replication-competent HIV-1 proviruses from blood based on their expression of unique T cell receptors. Latent cell enrichment enabled single-cell transcriptomic analysis of 1,050 CD4+ T cells belonging to expanded clones harboring intact HIV-1 proviruses from 6 different individuals. The analysis reveals that most of these cells are T effector memory cells that are enriched for expression of HLA-DR, HLA-DP, CD74, CCL5, granzymes A and K, cystatin F, LYAR, and DUSP2. We conclude that expanded clones of latent cells carrying intact HIV-1 proviruses persist preferentially in a distinct CD4+ T cell population, opening possibilities for eradication.
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Affiliation(s)
- Georg H J Weymar
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Yotam Bar-On
- Technion - Israel Institute of Technology, Haifa 320003, Israel
| | - Thiago Y Oliveira
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Christian Gaebler
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Victor Ramos
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Harald Hartweger
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Gaëlle Breton
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Marina Caskey
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Lillian B Cohn
- Vaccine and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Mila Jankovic
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Michel C Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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44
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Todorov H, Prieux M, Laubreton D, Bouvier M, Wang S, de Bernard S, Arpin C, Cannoodt R, Saelens W, Bonnaffoux A, Gandrillon O, Crauste F, Saeys Y, Marvel J. CD8 memory precursor cell generation is a continuous process. iScience 2022; 25:104927. [PMID: 36065187 PMCID: PMC9440290 DOI: 10.1016/j.isci.2022.104927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/21/2022] [Accepted: 08/09/2022] [Indexed: 11/30/2022] Open
Abstract
In this work, we studied the generation of memory precursor cells following an acute infection by analyzing single-cell RNA-seq data that contained CD8 T cells collected during the postinfection expansion phase. We used different tools to reconstruct the developmental trajectory that CD8 T cells followed after activation. Cells that exhibited a memory precursor signature were identified and positioned on this trajectory. We found that these memory precursors are generated continuously with increasing numbers arising over time. Similarly, expression of genes associated with effector functions was also found to be raised in memory precursors at later time points. The ability of cells to enter quiescence and differentiate into memory cells was confirmed by BrdU pulse-chase experiment in vivo. Analysis of cell counts indicates that the vast majority of memory cells are generated at later time points from cells that have extensively divided. Trajectory inference tools reconstruct the timing of memory precursors generation The trajectory is defined by both cell cycle and effector functions encoding genes Memory precursors numbers in lymphoid organs increase with time after priming In vivo BrdU labeling validate the in silico data
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Affiliation(s)
- Helena Todorov
- Department of Applied Mathematics, Computer Science and Statistics, Ghent University, Ghent, Belgium
- Data Mining and Modeling for Biomedicine, VIB Center for Inflammation Research, Ghent, Belgium
| | - Margaux Prieux
- Centre International de recherche en Infectiologie, Université de Lyon, INSERM U1111, CNRS UMR 5308, Ecole Normale Superieure de Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Laboratoire de Biologie et de Modélisation de la cellule, Université de Lyon, ENS de Lyon, CNRS UMR 5239, INSERM U1210, Lyon, France
| | - Daphne Laubreton
- Centre International de recherche en Infectiologie, Université de Lyon, INSERM U1111, CNRS UMR 5308, Ecole Normale Superieure de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Matteo Bouvier
- Laboratoire de Biologie et de Modélisation de la cellule, Université de Lyon, ENS de Lyon, CNRS UMR 5239, INSERM U1210, Lyon, France
- Vidium, Lyon, France
| | - Shaoying Wang
- Centre International de recherche en Infectiologie, Université de Lyon, INSERM U1111, CNRS UMR 5308, Ecole Normale Superieure de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | | | - Christophe Arpin
- Centre International de recherche en Infectiologie, Université de Lyon, INSERM U1111, CNRS UMR 5308, Ecole Normale Superieure de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Robrecht Cannoodt
- Department of Applied Mathematics, Computer Science and Statistics, Ghent University, Ghent, Belgium
- Data Mining and Modeling for Biomedicine, VIB Center for Inflammation Research, Ghent, Belgium
- Data Intuitive, Lebbeke, Belgium
| | - Wouter Saelens
- Department of Applied Mathematics, Computer Science and Statistics, Ghent University, Ghent, Belgium
- Data Mining and Modeling for Biomedicine, VIB Center for Inflammation Research, Ghent, Belgium
| | | | - Olivier Gandrillon
- Laboratoire de Biologie et de Modélisation de la cellule, Université de Lyon, ENS de Lyon, CNRS UMR 5239, INSERM U1210, Lyon, France
- Inria, Villeurbanne, France
| | - Fabien Crauste
- Laboratoire MAP5 (UMR CNRS 8145), Université de Paris, Paris, France
| | - Yvan Saeys
- Department of Applied Mathematics, Computer Science and Statistics, Ghent University, Ghent, Belgium
- Data Mining and Modeling for Biomedicine, VIB Center for Inflammation Research, Ghent, Belgium
| | - Jacqueline Marvel
- Centre International de recherche en Infectiologie, Université de Lyon, INSERM U1111, CNRS UMR 5308, Ecole Normale Superieure de Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Corresponding author
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45
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Yi L, Yang L. Stem-like T cells and niches: Implications in human health and disease. Front Immunol 2022; 13:907172. [PMID: 36059484 PMCID: PMC9428355 DOI: 10.3389/fimmu.2022.907172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Recently, accumulating evidence has elucidated the important role of T cells with stem-like characteristics in long-term maintenance of T cell responses and better patient outcomes after immunotherapy. The fate of TSL cells has been correlated with many physiological and pathological human processes. In this review, we described present advances demonstrating that stem-like T (TSL) cells are central players in human health and disease. We interpreted the evolutionary characteristics, mechanism and functions of TSL cells. Moreover, we discuss the import role of distinct niches and how they affect the stemness of TSL cells. Furthermore, we also outlined currently available strategies to generate TSL cells and associated affecting factors. Moreover, we summarized implication of TSL cells in therapies in two areas: stemness enhancement for vaccines, ICB, and adoptive T cell therapies, and stemness disruption for autoimmune disorders.
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46
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Estrada LD, Ağaç Çobanoğlu D, Wise A, Maples RW, Çobanoğlu MC, Farrar JD. Adrenergic signaling controls early transcriptional programs during CD8+ T cell responses to viral infection. PLoS One 2022; 17:e0272017. [PMID: 35944008 PMCID: PMC9362915 DOI: 10.1371/journal.pone.0272017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/11/2022] [Indexed: 11/27/2022] Open
Abstract
Norepinephrine is a key sympathetic neurotransmitter, which acts to suppress CD8 + T cell cytokine secretion and lytic activity by signaling through the β2-adrenergic receptor (ADRB2). Although ADRB2 signaling is considered generally immunosuppressive, its role in regulating the differentiation of effector T cells in response to infection has not been investigated. Using an adoptive transfer approach, we compared the expansion and differentiation of wild type (WT) to Adrb2-/- CD8 + T cells throughout the primary response to vesicular stomatitis virus (VSV) infection in vivo. We measured the dynamic changes in transcriptome profiles of antigen-specific CD8 + T cells as they responded to VSV. Within the first 7 days of infection, WT cells out-paced the expansion of Adrb2-/- cells, which correlated with reduced expression of IL-2 and the IL-2Rα in the absence of ADRB2. RNASeq analysis identified over 300 differentially expressed genes that were both temporally regulated following infection and selectively regulated in WT vs Adrb2-/- cells. These genes contributed to major transcriptional pathways including cytokine receptor activation, signaling in cancer, immune deficiency, and neurotransmitter pathways. By parsing genes within groups that were either induced or repressed over time in response to infection, we identified three main branches of genes that were differentially regulated by the ADRB2. These gene sets were predicted to be regulated by specific transcription factors involved in effector T cell development, such as Tbx21 and Eomes. Collectively, these data demonstrate a significant role for ADRB2 signaling in regulating key transcriptional pathways during CD8 + T cells responses to infection that may dramatically impact their functional capabilities and downstream memory cell development.
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Affiliation(s)
- Leonardo D. Estrada
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States of America
| | - Didem Ağaç Çobanoğlu
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States of America
| | - Aaron Wise
- Encodia Inc., San Diego, CA, United States of America
| | - Robert W. Maples
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States of America
| | - Murat Can Çobanoğlu
- Department of Bioinformatics, UT Southwestern Medical Center, Dallas, TX, United States of America
| | - J. David Farrar
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States of America
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47
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Richard AC. Divide and Conquer: Phenotypic and Temporal Heterogeneity Within CD8 + T Cell Responses. Front Immunol 2022; 13:949423. [PMID: 35911755 PMCID: PMC9334874 DOI: 10.3389/fimmu.2022.949423] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 06/22/2022] [Indexed: 11/23/2022] Open
Abstract
The advent of technologies that can characterize the phenotypes, functions and fates of individual cells has revealed extensive and often unexpected levels of diversity between cells that are nominally of the same subset. CD8+ T cells, also known as cytotoxic T lymphocytes (CTLs), are no exception. Investigations of individual CD8+ T cells both in vitro and in vivo have highlighted the heterogeneity of cellular responses at the levels of activation, differentiation and function. This review takes a broad perspective on the topic of heterogeneity, outlining different forms of variation that arise during a CD8+ T cell response. Specific attention is paid to the impact of T cell receptor (TCR) stimulation strength on heterogeneity. In particular, this review endeavors to highlight connections between variation at different cellular stages, presenting known mechanisms and key open questions about how variation between cells can arise and propagate.
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48
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Guo A, Huang H, Zhu Z, Chen MJ, Shi H, Yuan S, Sharma P, Connelly JP, Liedmann S, Dhungana Y, Li Z, Haydar D, Yang M, Beere H, Yustein JT, DeRenzo C, Pruett-Miller SM, Crawford JC, Krenciute G, Roberts CWM, Chi H, Green DR. cBAF complex components and MYC cooperate early in CD8 + T cell fate. Nature 2022; 607:135-141. [PMID: 35732731 PMCID: PMC9623036 DOI: 10.1038/s41586-022-04849-0] [Citation(s) in RCA: 87] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 05/10/2022] [Indexed: 01/03/2023]
Abstract
The identification of mechanisms to promote memory T (Tmem) cells has important implications for vaccination and anti-cancer immunotherapy1-4. Using a CRISPR-based screen for negative regulators of Tmem cell generation in vivo5, here we identify multiple components of the mammalian canonical BRG1/BRM-associated factor (cBAF)6,7. Several components of the cBAF complex are essential for the differentiation of activated CD8+ T cells into T effector (Teff) cells, and their loss promotes Tmem cell formation in vivo. During the first division of activated CD8+ T cells, cBAF and MYC8 frequently co-assort asymmetrically to the two daughter cells. Daughter cells with high MYC and high cBAF display a cell fate trajectory towards Teff cells, whereas those with low MYC and low cBAF preferentially differentiate towards Tmem cells. The cBAF complex and MYC physically interact to establish the chromatin landscape in activated CD8+ T cells. Treatment of naive CD8+ T cells with a putative cBAF inhibitor during the first 48 h of activation, before the generation of chimeric antigen receptor T (CAR-T) cells, markedly improves efficacy in a mouse solid tumour model. Our results establish cBAF as a negative determinant of Tmem cell fate and suggest that manipulation of cBAF early in T cell differentiation can improve cancer immunotherapy.
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Affiliation(s)
- Ao Guo
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Hongling Huang
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Zhexin Zhu
- Comprehensive Cancer Center and Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Mark J Chen
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Hao Shi
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Sujing Yuan
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Piyush Sharma
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Jon P Connelly
- Center for Advanced Genome Engineering, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Swantje Liedmann
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Yogesh Dhungana
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Zhenrui Li
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Dalia Haydar
- Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Mao Yang
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Helen Beere
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Jason T Yustein
- Baylor Texas Children's Cancer and Hematology Centers, Texas Children's Hospital, Baylor College of Medicine, Houston, TX, USA
| | - Christopher DeRenzo
- Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Shondra M Pruett-Miller
- Center for Advanced Genome Engineering, St Jude Children's Research Hospital, Memphis, TN, USA
| | | | - Giedre Krenciute
- Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Charles W M Roberts
- Comprehensive Cancer Center and Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Hongbo Chi
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA.
| | - Douglas R Green
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA.
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49
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Li Y, Li X, Geng X, Zhao H. The IL-2A receptor pathway and its role in lymphocyte differentiation and function. Cytokine Growth Factor Rev 2022; 67:66-79. [DOI: 10.1016/j.cytogfr.2022.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/03/2022]
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50
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Alampi G, Vignali D, Centorame I, Canu A, Cosorich I, Filoni J, Di Dedda C, Monti P. Asymmetric T cell division of GAD65 specific naive T cells contribute to an early divergence in the differentiation fate into memory T cell subsets. Immunology 2022; 167:303-313. [PMID: 35752961 DOI: 10.1111/imm.13537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 06/23/2022] [Indexed: 11/28/2022] Open
Abstract
Autoreactive T cells with the phenotype and function of different memory subsets are present in patients who developed type 1 diabetes. According to the progressive differentiation model, memory subsets generate from naïve precursors in a linear and unidirectional path depending on the strength and quality of stimulatory signals. By observing human naïve T cells in contact with GAD65 loaded autologous dendritic cells, we observed that approximately 10% of cells divided with the plane of cell division parallel to the one of the immune synapse, causing phenotypic asymmetries in the proximal and distal daughter T cells. After the first T cell division, proximal and distal daughter T cells showed different phenotype, metabolic signature and commitment to differentiate toward long-lived memory T cells or T cells with effector function. Subjects with or without T1D showed a similar frequency of asymmetric T cell division (ATCD) for autoantigens and recall antigens specific T cells, however the frequency of ATCD is significantly increased in autoreactive T cells in patients with T1D when IL-7 was added to the culture. An increased up-regulation of GLUT1 in response to IL-7 in patients with T1D was related to the rate of ATCD Our results showed that ATCD is associated with an early divergence in the differentiation fate of naïve T cells specific for GAD65 during first antigen encounter. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Greta Alampi
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Debora Vignali
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Ilenia Centorame
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Adriana Canu
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Ilaria Cosorich
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Jessica Filoni
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Carla Di Dedda
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Paolo Monti
- San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
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