1
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Mohammadzamani M, Kazemzadeh K, Chand S, Thapa S, Ebrahimi N, Yazdan Panah M, Shaygannejad V, Mirmosayyeb O. Insights into the interplay between Epstein-Barr virus (EBV) and multiple sclerosis (MS): A state-of-the-art review and implications for vaccine development. Health Sci Rep 2024; 7:e1898. [PMID: 38361801 PMCID: PMC10867693 DOI: 10.1002/hsr2.1898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 11/12/2023] [Accepted: 01/15/2024] [Indexed: 02/17/2024] Open
Abstract
Background and Aims Multiple sclerosis (MS) is a chronic autoimmune disease of the central nervous system (CNS). MS results from an inflammatory process leading to the loss of neural tissue and increased disability over time. The role of Epstein Barr Virus (EBV), as one of the most common global viruses, in MS development has been the subject of several studies. However, many related questions are still unanswered. This study aimed to review the connection between MS and EBV and provide a quick outline of MS prevention using EBV vaccination. Methods For this narrative review, an extensive literature search using specific terms was conducted across online databases, including PubMed/Medline, Scopus, Web of Science, and Google Scholar, to identify pertinent studies. Results Several studies proved that almost 100% of people with MS showed a history of EBV infection, and there was an association between high titers of EBV antibodies and an increased risk of MS development. Various hypotheses are proposed for how EBV may contribute to MS directly and indirectly: (1) Molecular Mimicry, (2) Mistaken Self, (3) Bystander Damage, and (4) Autoreactive B cells infected with EBV. Conclusion Given the infectious nature of EBV and its ability to elude the immune system, EBV emerges as a strong candidate for being the underlying cause of MS. The development of an EBV vaccine holds promise for preventing MS; however, overcoming the challenge of creating a safe and efficacious vaccine presents a significant obstacle.
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Affiliation(s)
- Mahtab Mohammadzamani
- Isfahan Neurosciences Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Kimia Kazemzadeh
- Students' Scientific Research CenterTehran University of Medical SciencesTehranIran
| | - Swati Chand
- Westchester Medical CenterNew York Medical CollegeValhallaNew YorkUSA
| | - Sangharsha Thapa
- Department of Neurology, Westchester Medical CenterNew York Medical CollegeValhallaUSA
| | - Narges Ebrahimi
- Isfahan Neurosciences Research CenterIsfahan University of Medical SciencesIsfahanIran
| | | | - Vahid Shaygannejad
- Isfahan Neurosciences Research CenterIsfahan University of Medical SciencesIsfahanIran
- Department of NeurologyIsfahan University of Medical SciencesIsfahanIran
| | - Omid Mirmosayyeb
- Isfahan Neurosciences Research CenterIsfahan University of Medical SciencesIsfahanIran
- Department of NeurologyIsfahan University of Medical SciencesIsfahanIran
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2
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Omidvari N, Jones T, Price PM, Ferre AL, Lu J, Abdelhafez YG, Sen F, Cohen SH, Schmiedehausen K, Badawi RD, Shacklett BL, Wilson I, Cherry SR. First-in-human immunoPET imaging of COVID-19 convalescent patients using dynamic total-body PET and a CD8-targeted minibody. SCIENCE ADVANCES 2023; 9:eadh7968. [PMID: 37824612 PMCID: PMC10569706 DOI: 10.1126/sciadv.adh7968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 09/07/2023] [Indexed: 10/14/2023]
Abstract
With most of the T cells residing in the tissue, not the blood, developing noninvasive methods for in vivo quantification of their biodistribution and kinetics is important for studying their role in immune response and memory. This study presents the first use of dynamic positron emission tomography (PET) and kinetic modeling for in vivo measurement of CD8+ T cell biodistribution in humans. A 89Zr-labeled CD8-targeted minibody (89Zr-Df-Crefmirlimab) was used with total-body PET in healthy individuals (N = 3) and coronavirus disease 2019 (COVID-19) convalescent patients (N = 5). Kinetic modeling results aligned with T cell-trafficking effects expected in lymphoid organs. Tissue-to-blood ratios from the first 7 hours of imaging were higher in bone marrow of COVID-19 convalescent patients compared to controls, with an increasing trend between 2 and 6 months after infection, consistent with modeled net influx rates and peripheral blood flow cytometry analysis. These results provide a promising platform for using dynamic PET to study the total-body immune response and memory.
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Affiliation(s)
- Negar Omidvari
- Department of Biomedical Engineering, University of California Davis, Davis, CA, USA
| | - Terry Jones
- Department of Radiology, University of California Davis Medical Center, Sacramento, CA, USA
| | - Pat M. Price
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - April L. Ferre
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA, USA
| | - Jacqueline Lu
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA, USA
| | - Yasser G. Abdelhafez
- Department of Radiology, University of California Davis Medical Center, Sacramento, CA, USA
- Radiotherapy and Nuclear Medicine Department, South Egypt Cancer Institute, Assiut University, Assiut, Egypt
| | - Fatma Sen
- Department of Radiology, University of California Davis Medical Center, Sacramento, CA, USA
| | - Stuart H. Cohen
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, CA, USA
| | | | - Ramsey D. Badawi
- Department of Biomedical Engineering, University of California Davis, Davis, CA, USA
- Department of Radiology, University of California Davis Medical Center, Sacramento, CA, USA
| | - Barbara L. Shacklett
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, Davis, CA, USA
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, CA, USA
| | | | - Simon R. Cherry
- Department of Biomedical Engineering, University of California Davis, Davis, CA, USA
- Department of Radiology, University of California Davis Medical Center, Sacramento, CA, USA
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3
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Omidvari N, Jones T, Price PM, Ferre AL, Lu J, Abdelhafez YG, Sen F, Cohen SH, Schmiedehausen K, Badawi RD, Shacklett BL, Wilson I, Cherry SR. First-in-human immunoPET imaging of COVID-19 convalescent patients using dynamic total-body PET and a CD8-targeted minibody. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.03.14.23287121. [PMID: 36993568 PMCID: PMC10055575 DOI: 10.1101/2023.03.14.23287121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
With the majority of CD8+ T cells residing and functioning in tissue, not blood, developing noninvasive methods for in vivo quantification of their biodistribution and kinetics in humans offers the means for studying their key role in adaptive immune response and memory. This study is the first report on using positron emission tomography (PET) dynamic imaging and compartmental kinetic modeling for in vivo measurement of whole-body biodistribution of CD8+ T cells in human subjects. For this, a 89Zr-labeled minibody with high affinity for human CD8 (89Zr-Df-Crefmirlimab) was used with total-body PET in healthy subjects (N=3) and in COVID-19 convalescent patients (N=5). The high detection sensitivity, total-body coverage, and the use of dynamic scans enabled the study of kinetics simultaneously in spleen, bone marrow, liver, lungs, thymus, lymph nodes, and tonsils, at reduced radiation doses compared to prior studies. Analysis and modeling of the kinetics was consistent with T cell trafficking effects expected from immunobiology of lymphoid organs, suggesting early uptake in spleen and bone marrow followed by redistribution and delayed increasing uptake in lymph nodes, tonsils, and thymus. Tissue-to-blood ratios from the first 7 h of CD8-targeted imaging showed significantly higher values in the bone marrow of COVID-19 patients compared to controls, with an increasing trend between 2 and 6 months post-infection, consistent with net influx rates obtained by kinetic modeling and flow cytometry analysis of peripheral blood samples. These results provide the platform for using dynamic PET scans and kinetic modelling to study total-body immunological response and memory.
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Affiliation(s)
- Negar Omidvari
- Department of Biomedical Engineering, University of California Davis; Davis, CA, USA
| | - Terry Jones
- Department of Radiology, University of California Davis Medical Center; Sacramento, CA, USA
| | - Pat M Price
- Department of Surgery and Cancer, Imperial College London; London, United Kingdom
| | - April L Ferre
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis; Davis, CA, USA
| | - Jacqueline Lu
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis; Davis, CA, USA
| | - Yasser G Abdelhafez
- Department of Radiology, University of California Davis Medical Center; Sacramento, CA, USA
- Radiotherapy and Nuclear Medicine Department, South Egypt Cancer Institute, Assiut University, Egypt
| | - Fatma Sen
- Department of Radiology, University of California Davis Medical Center; Sacramento, CA, USA
| | - Stuart H Cohen
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis Medical Center; Sacramento, CA, USA
| | | | - Ramsey D Badawi
- Department of Biomedical Engineering, University of California Davis; Davis, CA, USA
- Department of Radiology, University of California Davis Medical Center; Sacramento, CA, USA
| | - Barbara L Shacklett
- Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis; Davis, CA, USA
- Division of Infectious Diseases, Department of Internal Medicine, University of California Davis Medical Center; Sacramento, CA, USA
| | | | - Simon R Cherry
- Department of Biomedical Engineering, University of California Davis; Davis, CA, USA
- Department of Radiology, University of California Davis Medical Center; Sacramento, CA, USA
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4
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Tolstykh EI, Degteva MO, Vozilova AV, Akleyev AV. Approaches to Cytogenetic Assessment of the Dose due to Radiation Exposure of the Gut-Associated Lymphoid Tissue. BIOL BULL+ 2022. [DOI: 10.1134/s1062359022110206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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5
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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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6
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Tolstykh EI, Vozilova AV, Degteva MO, Akleyev AV. Concept of T-Cell Genus as a Basis for Analysis of the Results of Cytogenetic Studies after Local Bone Marrow Exposure. BIOL BULL+ 2021. [DOI: 10.1134/s1062359020110151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Albertini RJ, Kaden DA. Mutagenicity monitoring in humans: Global versus specific origin of mutations. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2020; 786:108341. [PMID: 33339577 DOI: 10.1016/j.mrrev.2020.108341] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 10/08/2020] [Accepted: 10/14/2020] [Indexed: 01/19/2023]
Abstract
An underappreciated aspect of human mutagenicity biomonitoring is tissue specificity reflected in different assays, especially those that measure events that can only occur in developing bone marrow (BM) cells. Reviewed here are 9 currently-employed human mutagenicity biomonitoring assays. Several assays measure chromosome-level events in circulating T-lymphocytes (T-cells), i.e., traditional analyses of aberrations, translocation studies involving chromosome painting and fluorescence in situ hybridization (FISH) and determinations of micronuclei (MN). Other T-cell assays measure gene mutations. i.e., hypoxanthine-guanine phosphoriboslytransferase (HPRT) and phosphoribosylinositol glycan class A (PIGA). In addition to the T-cell assays, also reviewed are those assays that measure events in peripheral blood cells that necessarily arose in BM cells, i.e., MN in reticulocytes; glycophorin A (GPA) gene mutations in red blood cells (RBCs), and PIGA gene mutations in RBC or granulocytes. This review considers only cell culture- or cytometry-based assays to describe endpoints measured, methods, optimal sampling times, and sample summaries of typical quantitative and qualitative results. However, to achieve its intended focus on the target cells where events occur, kinetics of the cells of peripheral blood that derive at some point from precursor cells are reviewed to identify body sites and tissues where the genotoxic events originate. Kinetics indicate that in normal adults, measured events in T-cells afford global assessments of in vivo mutagenicity but are not specific for BM effects. Therefore, an agent's capacity for inducing mutations in BM cells cannot be reliably inferred from T-cell assays as the magnitude of effect in BM, if any, is unknown. By contrast, chromosome or gene level mutations measured in RBCs/reticulocytes or granulocytes must originate in BM cells, i.e. in RBC or granulocyte precursors, thereby making them specific indicators for effects in BM. Assays of mutations arising directly in BM cells may quantitatively reflect the mutagenicity of potential leukemogenic agents.
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Affiliation(s)
- Richard J Albertini
- University of Vermont, 111 Colchester Avenue, Burlington, VT 05401, United States
| | - Debra A Kaden
- Ramboll US Consulting, Inc., 101 Federal Street, Suite 1900, Boston, MA 02110, United States.
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8
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Mundry CS, Eberle KC, Singh PK, Hollingsworth MA, Mehla K. Local and systemic immunosuppression in pancreatic cancer: Targeting the stalwarts in tumor's arsenal. Biochim Biophys Acta Rev Cancer 2020; 1874:188387. [PMID: 32579889 DOI: 10.1016/j.bbcan.2020.188387] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 06/13/2020] [Accepted: 06/15/2020] [Indexed: 02/06/2023]
Abstract
Late detection, compromised immune system, and chemotherapy resistance underlie the poor patient prognosis for pancreatic ductal adenocarcinoma (PDAC) patients, making it the 3rd leading cause of cancer-related deaths in the United States. Cooperation between the tumor cells and the immune system leads to the immune escape and eventual establishment of the tumor. For more than 20 years, sincere efforts have been made to intercept the tumor-immune crosstalk and identify the probable therapeutic targets for breaking self-tolerance toward tumor antigens. However, the success of these studies depends on detailed examination and understanding of tumor-immune cell interactions, not only in the primary tumor but also at distant systemic niches. Innate and adaptive arms of the immune system sculpt tumor immunogenicity, where they not only aid in providing an amenable environment for their survival but also act as a driver for tumor relapse at primary or distant organ sites. This review article highlights the key events associated with tumor-immune communication and associated immunosuppression at both local and systemic microenvironments in PDAC. Furthermore, we discuss the approaches and benefits of targeting both local and systemic immunosuppression for PDAC patients. The present articles integrate data from clinical and genetic mouse model studies to provide a widespread consensus on the role of local and systemic immunosuppression in undermining the anti-tumor immune responses against PDAC.
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MESH Headings
- Adaptive Immunity/drug effects
- Animals
- Antineoplastic Agents, Immunological/pharmacology
- Antineoplastic Agents, Immunological/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/pharmacology
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Bone Marrow/drug effects
- Bone Marrow/immunology
- Bone Marrow/pathology
- Cancer Vaccines/administration & dosage
- Carcinoma, Pancreatic Ductal/immunology
- Carcinoma, Pancreatic Ductal/mortality
- Carcinoma, Pancreatic Ductal/pathology
- Carcinoma, Pancreatic Ductal/therapy
- Chemotherapy, Adjuvant/methods
- Clinical Trials as Topic
- Combined Modality Therapy/methods
- Disease Models, Animal
- Disease-Free Survival
- Fluorouracil/pharmacology
- Fluorouracil/therapeutic use
- Humans
- Immunity, Innate/drug effects
- Immunotherapy/methods
- Irinotecan/pharmacology
- Irinotecan/therapeutic use
- Leucovorin/pharmacology
- Leucovorin/therapeutic use
- Lymph Node Excision
- Lymph Nodes/immunology
- Lymph Nodes/pathology
- Lymph Nodes/surgery
- Mice
- Mice, Transgenic
- Neoadjuvant Therapy/methods
- Oxaliplatin/pharmacology
- Oxaliplatin/therapeutic use
- Pancreas/immunology
- Pancreas/pathology
- Pancreas/surgery
- Pancreatectomy
- Pancreatic Neoplasms/immunology
- Pancreatic Neoplasms/mortality
- Pancreatic Neoplasms/pathology
- Pancreatic Neoplasms/therapy
- Spleen/immunology
- Spleen/pathology
- Spleen/surgery
- Splenectomy
- T-Lymphocytes/drug effects
- T-Lymphocytes/immunology
- T-Lymphocytes/transplantation
- Transplantation, Autologous/methods
- Tumor Escape/drug effects
- Tumor Microenvironment/drug effects
- Tumor Microenvironment/immunology
- United States/epidemiology
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Affiliation(s)
- Clara S Mundry
- The Eppley Institute for Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA
| | - Kirsten C Eberle
- The Eppley Institute for Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA
| | - Pankaj K Singh
- The Eppley Institute for Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA
| | - Michael A Hollingsworth
- The Eppley Institute for Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA
| | - Kamiya Mehla
- The Eppley Institute for Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA; Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska 68198, USA.
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9
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Cline-Smith A, Axelbaum A, Shashkova E, Chakraborty M, Sanford J, Panesar P, Peterson M, Cox L, Baldan A, Veis D, Aurora R. Ovariectomy Activates Chronic Low-Grade Inflammation Mediated by Memory T Cells, Which Promotes Osteoporosis in Mice. J Bone Miner Res 2020; 35:1174-1187. [PMID: 31995253 PMCID: PMC8061311 DOI: 10.1002/jbmr.3966] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/23/2019] [Accepted: 01/16/2020] [Indexed: 12/27/2022]
Abstract
The loss of estrogen (E2 ) initiates a rapid phase of bone loss leading to osteoporosis in one-half of postmenopausal women, but the mechanism is not fully understood. Here, we show for the first time how loss of E2 activates low-grade inflammation to promote the acute phase of bone catabolic activity in ovariectomized (OVX) mice. E2 regulates the abundance of dendritic cells (DCs) that express IL-7 and IL-15 by inducing the Fas ligand (FasL) and apoptosis of the DC. In the absence of E2 , DCs become long-lived, leading to increased IL-7 and IL-15. We find that IL-7 and IL-15 together, but not alone, induced antigen-independent production of IL-17A and TNFα in a subset of memory T cells (TMEM ). OVX of mice with T-cell-specific ablation of IL15RA showed no IL-17A and TNFα expression, and no increase in bone resorption or bone loss, confirming the role of IL-15 in activating the TMEM and the need for inflammation. Our results provide a new mechanism by which E2 regulates the immune system, and how menopause leads to osteoporosis. The low-grade inflammation is likely to cause or contribute to other comorbidities observed postmenopause. © 2020 American Society for Bone and Mineral Research.
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Affiliation(s)
- Anna Cline-Smith
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Ariel Axelbaum
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Elena Shashkova
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Mousumi Chakraborty
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Jessie Sanford
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Prabhjyot Panesar
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Macey Peterson
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Linda Cox
- Division of Bone and Mineral Diseases, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Angel Baldan
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Deborah Veis
- Division of Bone and Mineral Diseases, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Rajeev Aurora
- Department of Molecular Microbiology & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
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10
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Massalska M, Radzikowska A, Kuca-Warnawin E, Plebanczyk M, Prochorec-Sobieszek M, Skalska U, Kurowska W, Maldyk P, Kontny E, Gober HJ, Maslinski W. CD4 +FOXP3 + T Cells in Rheumatoid Arthritis Bone Marrow Are Partially Impaired. Cells 2020; 9:E549. [PMID: 32111105 PMCID: PMC7140449 DOI: 10.3390/cells9030549] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 02/13/2020] [Accepted: 02/20/2020] [Indexed: 12/12/2022] Open
Abstract
There is evolving evidence that dysregulation of immune homeostasis in the bone marrow (BM) adjacent to the inflamed joints is involved in the pathogenesis of. In this study, we are addressing the phenotype and function of regulatory T cells (Tregs) residing in the BM of patients with rheumatoid arthritis (RA) and osteoarthritis (OA). BM and peripheral blood samples were obtained from RA and OA patients undergoing hip replacement surgery. The number and phenotype of Tregs were analyzed by flow cytometry and immunohistochemistry. The function of Tregs was investigated ex vivo, addressing their suppressive activity on effector T cells. [3H]-Thymidine incorporation assay and specific enzyme-linked immunosorbent assay were used for quantification of cell proliferation and pro-inflammatory (TNF, IFN-γ) cytokine release, respectively. Significantly lower numbers of CD4+FOXP3+ T cells were found in the BM of patients with RA compared to control patients with OA. High expression of CD127 (IL-7 receptor) and relatively low expression of CXCR4 (receptor for stromal cell-derived factor CXCL12) are characteristics of the CD4+FOXP3+ cells residing in the BM of RA patients. The BM-resident Tregs of RA patients demonstrated a limited suppressive activity on the investigated immune response. Our results indicate that the reduced number and impaired functional properties of CD4+FOXP3+ T cells present in the BM of RA patients may favor the inflammatory process, which is observed in RA BM.
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Affiliation(s)
- Magdalena Massalska
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Anna Radzikowska
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Ewa Kuca-Warnawin
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Magdalena Plebanczyk
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Monika Prochorec-Sobieszek
- Department of Pathology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland;
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland
| | - Urszula Skalska
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Weronika Kurowska
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Pawel Maldyk
- Department of Rheumoorthopaedic Surgery, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland;
- Clinical Department of Orthopedic and Traumatology of Locomotor System, Enfant-Jesus Clinical Hospital, 02-005 Warsaw, Poland
| | - Ewa Kontny
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
| | - Hans-Jürgen Gober
- Department of Pharmacy, Kepler University Hospital, 4020 Linz, Austria;
- Pharmaceutical Outcomes Programme, British Columbia Children’s Hospital, Vancouver, BC V5Z 4H4, Canada
| | - Wlodzimierz Maslinski
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, 02-637 Warsaw, Poland; (A.R.); (E.K.-W.); (M.P.); (U.S.); (W.K.); (E.K.); (W.M.)
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11
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Davies JS, Thompson HL, Pulko V, Padilla Torres J, Nikolich-Žugich J. Role of Cell-Intrinsic and Environmental Age-Related Changes in Altered Maintenance of Murine T Cells in Lymphoid Organs. J Gerontol A Biol Sci Med Sci 2019; 73:1018-1026. [PMID: 28582491 DOI: 10.1093/gerona/glx102] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 06/01/2017] [Indexed: 12/29/2022] Open
Abstract
Age-related changes in primary lymphoid organs are well described. Less is known about age-related changes affecting peripheral lymphoid organs, although defects in old peripheral lymph nodes (pLNs) were recently described in both steady state and during viral infection. To address whether such pLN defects were intrinsic to old T cells or extrinsic (due to aging microenvironment), we employed heterochronic parabiosis. We found no age-related intrinsic or extrinsic barriers to T cell circulation and seeding of pLN, spleen, and bone marrow. However, heterochronic parabiosis failed to improve cellularity of old pLN, suggesting an environment-based limit on pLN cellularity. Furthermore, upon parabiosis, pLN of the adult partner exhibited reduced, old-like stromal and T cell cellularity, which was restored following separation of parabionts. Decay measurement of adult and old T cell subsets following separation of heterochronic parabionts delineated both T cell-intrinsic and environmental changes in T cell maintenance. Moreover, parabiotic separation revealed differences between CD4 and CD8 T cell subset maintenance with aging, the basis of which will require further investigation. Reasons for this asymmetric and subset-specific pattern of differential maintenance are discussed in light of possible age-related changes in lymph nodes as the key sites for peripheral T cell maintenance.
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Affiliation(s)
- John S Davies
- Department of Immunobiology, University of Arizona, Tucson, Arizona.,Arizona Center on Aging, University of Arizona, Tucson, Arizona
| | - Heather L Thompson
- Department of Immunobiology, University of Arizona, Tucson, Arizona.,Arizona Center on Aging, University of Arizona, Tucson, Arizona
| | - Vesna Pulko
- Department of Immunobiology, University of Arizona, Tucson, Arizona.,Arizona Center on Aging, University of Arizona, Tucson, Arizona
| | - Jose Padilla Torres
- Department of Immunobiology, University of Arizona, Tucson, Arizona.,Arizona Center on Aging, University of Arizona, Tucson, Arizona
| | - Janko Nikolich-Žugich
- Department of Immunobiology, University of Arizona, Tucson, Arizona.,Arizona Center on Aging, University of Arizona, Tucson, Arizona
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12
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Naismith E, Pangrazzi L. The impact of oxidative stress, inflammation, and senescence on the maintenance of immunological memory in the bone marrow in old age. Biosci Rep 2019; 39:BSR20190371. [PMID: 31018996 PMCID: PMC6522741 DOI: 10.1042/bsr20190371] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 04/18/2019] [Accepted: 04/23/2019] [Indexed: 12/14/2022] Open
Abstract
The bone marrow (BM) provides a preferential survival environment for the long-term maintenance of antigen-experienced adaptive immune cells. After the contact with antigens, effector/memory T cells and plasma cell precursors migrate to the BM, in which they can survive within survival niches in an antigen-independent manner. Despite this, the phenotype of adaptive immune cells changes with aging, and BM niches themselves are affected, leading to impaired long-term maintenance of immunological memory in the elderly as a result. Oxidative stress, age-related inflammation (inflammaging), and cellular senescence appear to play a major role in this process. This review will summarize the age-related changes in T and B cell phenotype, and in the BM niches, discussing the possibility that the accumulation of highly differentiated, senescent-like T cells in the BM during aging may cause inflammation in the BM and promote oxidative stress and senescence. In addition, senescent-like T cells may compete for space with other immune cells within the marrow, partially excluding effector/memory T cells and long-lived plasma cells from the niches.
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Affiliation(s)
- Erin Naismith
- Department of Immunology, Institute for Biomedical Aging Research, University of Innsbruck, Rennweg 10, Innsbruck, Austria
| | - Luca Pangrazzi
- Department of Immunology, Institute for Biomedical Aging Research, University of Innsbruck, Rennweg 10, Innsbruck, Austria
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13
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Perica K, Palomba L, Brentjens RJ. Dawn of Chimeric Antigen Receptor T Cell Therapy in Non-Hodgkin Lymphoma. ACTA ACUST UNITED AC 2018; 1. [PMID: 33043278 DOI: 10.1002/acg2.23] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Two Chimeric Antigen Receptor (CAR) T cell therapies are now approved for the treatment of relapsed and refractory large cell lymphomas, with many others under development. The dawn of CAR T cell therapy in non-Hodgkin Lymphoma (NHL) has been characterized by rapid progress and high response rates, with a subset of patients experiencing durable benefit. In this review, we describe commercially available and investigational CAR T cell therapies, including product characteristics and clinical outcomes. We review patient selection, with an emphasis on sequencing cell therapy options in the refractory setting. Finally, we discuss durability of response, highlighting mechanisms of escape and investigational approaches to prevent and treat relapse after CAR T cell therapy.
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Affiliation(s)
- Karlo Perica
- Department of Medicine; Memorial Sloan Kettering Cancer Center, New York, N.Y, U.S.A
| | - Lia Palomba
- Department of Medicine; Memorial Sloan Kettering Cancer Center, New York, N.Y, U.S.A.,Cellular Therapeutics Center; Department of Medicine; Memorial Sloan Kettering Cancer Center, New York, N.Y, U.S.A
| | - Renier J Brentjens
- Department of Medicine; Memorial Sloan Kettering Cancer Center, New York, N.Y, U.S.A.,Cellular Therapeutics Center; Department of Medicine; Memorial Sloan Kettering Cancer Center, New York, N.Y, U.S.A
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14
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Pabst R. The bone marrow is not only a primary lymphoid organ: The critical role for T lymphocyte migration and housing of long‐term memory plasma cells. Eur J Immunol 2018; 48:1096-1100. [DOI: 10.1002/eji.201747392] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 01/31/2018] [Accepted: 05/18/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Reinhard Pabst
- ImmunmorphologyCentre of AnatomyMedical School Hannover Germany
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15
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Rodrigues ES, do Carmo Favarin M, de Macedo MD, Otaguiri KK, Orellana MD, Takayanagui OM, Palma PVB, Slavov SN, Covas DT, Kashima S. Detection of HTLV-1 proviral DNA in BM mononuclear cells and cultured mesenchymal stromal cells isolated from patients with HTLV-1 infection. Virology 2018; 519:145-155. [PMID: 29723784 DOI: 10.1016/j.virol.2018.04.014] [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: 12/29/2017] [Revised: 03/23/2018] [Accepted: 04/17/2018] [Indexed: 10/17/2022]
Abstract
The bone marrow (BM) biology during HTLV-1 infection is obscure. In this study, we investigated BM mononuclear cells and mesenchymal stromal cells (MSC) from HTLV-1 asymptomatic and symptomatic individuals. An infiltration of CD4+ T-cell lymphocytes in the BM of HTLV-1-infected individuals was observed when compared to healthy controls. The provirus detection in the BM CD4+ T cells confirmed the presence of integrated HTLV DNA. In regard to MSC, we observed that the number of fibroblast progenitor cells was lower in HTLV-1 infected individuals than in healthy controls. Isolated HTLV-1 infected BM-MSC demonstrated surface expression markers and in vitro differentiation potential similar to uninfected individuals. The presence of HTLV-1 proviral DNA in the BM-MSC of HTLV-1-infected patients was demonstrated but no p19 antigen was detected in supernatant from cultured MSC. We suppose that HTLV-1 infects human MSC probably by cell-to-cell contact from the infected CD4+ T-lymphocytes infiltrated into the bone marrow.
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Affiliation(s)
- Evandra Strazza Rodrigues
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Clinical, Toxicological and Bromatological Analyses, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil
| | | | - Mayra Dorigan de Macedo
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Clinical, Toxicological and Bromatological Analyses, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil
| | - Katia Kaori Otaguiri
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Clinical, Toxicological and Bromatological Analyses, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil
| | - Maristela Delgado Orellana
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Internal Medicine, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | | | | | - Svetoslav Nanev Slavov
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Internal Medicine, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Dimas Tadeu Covas
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Internal Medicine, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Simone Kashima
- Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; Department of Clinical, Toxicological and Bromatological Analyses, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil.
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16
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Campfield BT, Eddens T, Henkel M, Majewski M, Horne W, Chaly Y, Gaffen SL, Hirsch R, Kolls JK. Follistatin-like protein 1 modulates IL-17 signaling via IL-17RC regulation in stromal cells. Immunol Cell Biol 2017; 95:656-665. [PMID: 28377613 PMCID: PMC5609702 DOI: 10.1038/icb.2017.26] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 03/29/2017] [Accepted: 03/29/2017] [Indexed: 12/17/2022]
Abstract
Follistatin-like protein 1 (FSTL-1) possesses several newly identified roles in mammalian biology, including IL-17 driven inflammation, though the mechanism underlying FSTL-1 influence on IL-17 mediated cytokine production is unknown. Using parallel in vitro bone marrow stromal cell models of FSTL-1 suppression we employed unbiased microarray analysis to identify FSTL-1 regulated genes and pathways that could influence IL-17 dependent production of IL-6 and G-CSF. We discovered that FSTL-1 modulates Il17rc gene expression. Specifically, FSTL-1 was necessary for Il17rc gene transcription, IL-17RC surface protein expression and IL-17-dependent cytokine production. This work identifies a mechanism by which FSTL-1 influences IL-17 driven inflammatory signalingin vitro and reveals a novel function for FSTL-1, as a modulator of gene expression. Thus, enhanced understanding of the interplay between FSTL-1 and IL-17 mediated inflammation may provide insight into potential therapeutic targets of IL-17 mediated diseases and warrants ongoing study of in vivo models and clinical scenarios of FSTL-1-influenced diseases.
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Affiliation(s)
- Brian T Campfield
- Division of Pediatric Infectious Diseases, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, USA.,Richard K Mellon Institute for Pediatric Research, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Taylor Eddens
- Richard K Mellon Institute for Pediatric Research, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Matthew Henkel
- Division of Pediatric Infectious Diseases, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Richard K Mellon Institute for Pediatric Research, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Martin Majewski
- Division of Pediatric Infectious Diseases, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Richard K Mellon Institute for Pediatric Research, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - William Horne
- Richard K Mellon Institute for Pediatric Research, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Yury Chaly
- Stead Family Department of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Sarah L Gaffen
- Division of Rheumatology &Clinical Immunology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Raphael Hirsch
- Stead Family Department of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Jay K Kolls
- Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, USA.,Richard K Mellon Institute for Pediatric Research, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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17
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Barroeta Seijas AB, Simonetti S, Vitale S, Runci D, Quinci AC, Soriani A, Criscuoli M, Filippi I, Naldini A, Sacchetti FM, Tarantino U, Oliva F, Piccirilli E, Santoni A, Di Rosa F. GM-CSF Inhibits c-Kit and SCF Expression by Bone Marrow-Derived Dendritic Cells. Front Immunol 2017; 8:147. [PMID: 28261209 PMCID: PMC5311071 DOI: 10.3389/fimmu.2017.00147] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 01/30/2017] [Indexed: 01/20/2023] Open
Abstract
Stem cell factor (SCF), the ligand of c-kit, is a key cytokine for hematopoiesis. Hematopoietic precursors express c-kit, whereas differentiated cells of hematopoietic lineage are negative for this receptor, with the exception of NK cells, mast cells, and a few others. While it has long been recognized that dendritic cells (DCs) can express c-kit, several questions remain concerning the SCF/c-kit axis in DCs. This is particularly relevant for DCs found in those organs wherein SCF is highly expressed, including the bone marrow (BM). We characterized c-kit expression by conventional DCs (cDCs) from BM and demonstrated a higher proportion of c-kit+ cells among type 1 cDC subsets (cDC1s) than type 2 cDC subsets (cDC2s) in both humans and mice, whereas similar levels of c-kit expression were observed in cDC1s and cDC2s from mouse spleen. To further study c-kit regulation, DCs were generated with granulocyte-macrophage colony-stimulating factor (GM-CSF) from mouse BM, a widely used protocol. CD11c+ cells were purified from pooled non-adherent and slightly adherent cells collected after 7 days of culture, thus obtaining highly purified BM-derived DCs (BMdDCs). BMdDCs contained a small fraction of c-kit+ cells, and by replating them for 2 days with GM-CSF, we obtained a homogeneous population of c-kit+ CD40hi MHCIIhi cells. Not only did BMdDCs express c-kit but they also produced SCF, and both were striking upregulated if GM-CSF was omitted after replating. Furthermore, a small but significant reduction in BMdDC survival was observed upon SCF silencing. Incubation of BMdDCs with SCF did not modulate antigen presentation ability of these cells, nor it did regulate their membrane expression of the chemokine receptor CXCR4. We conclude that the SCF/c-kit-mediated prosurvival circuit may have been overlooked because of the prominent use of GM-CSF in DC cultures in vitro, including those human DC cultures destined for the clinics. We speculate that DCs more prominently rely on SCF in vivo in some microenvironments, with potential implications for graft-versus-host disease and antitumor immunity.
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Affiliation(s)
- Amairelys Belen Barroeta Seijas
- Institute of Molecular Biology and Pathology, National Research Council (CNR), c/o Department of Molecular Medicine, University of Rome "Sapienza", Rome, Italy; Department of Molecular Medicine, University of Rome "Sapienza", Rome, Italy
| | - Sonia Simonetti
- Department of Molecular Medicine, University of Rome "Sapienza" , Rome , Italy
| | - Sara Vitale
- Institute of Molecular Biology and Pathology, National Research Council (CNR), c/o Department of Molecular Medicine, University of Rome "Sapienza" , Rome , Italy
| | - Daniele Runci
- Istituto Pasteur Italia - Fondazione Cenci Bolognetti , Rome , Italy
| | | | - Alessandra Soriani
- Department of Molecular Medicine, University of Rome "Sapienza" , Rome , Italy
| | - Mattia Criscuoli
- Department of Molecular and Developmental Medicine, University of Siena , Siena , Italy
| | - Irene Filippi
- Department of Molecular and Developmental Medicine, University of Siena , Siena , Italy
| | - Antonella Naldini
- Department of Molecular and Developmental Medicine, University of Siena , Siena , Italy
| | | | - Umberto Tarantino
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata" , Rome , Italy
| | - Francesco Oliva
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata" , Rome , Italy
| | - Eleonora Piccirilli
- Department of Orthopaedics and Traumatology, University of Rome "Tor Vergata" , Rome , Italy
| | - Angela Santoni
- Department of Molecular Medicine, University of Rome "Sapienza", Rome, Italy; Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy
| | - Francesca Di Rosa
- Institute of Molecular Biology and Pathology, National Research Council (CNR), c/o Department of Molecular Medicine, University of Rome "Sapienza" , Rome , Italy
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18
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Lopes MR, Pereira JKN, de Melo Campos P, Machado-Neto JA, Traina F, Saad STO, Favaro P. De novo AML exhibits greater microenvironment dysregulation compared to AML with myelodysplasia-related changes. Sci Rep 2017; 7:40707. [PMID: 28084439 PMCID: PMC5234038 DOI: 10.1038/srep40707] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 12/09/2016] [Indexed: 12/11/2022] Open
Abstract
The interaction between the bone marrow microenvironment and malignant hematopoietic cells can result in the protection of leukemia cells from chemotherapy in both myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). We, herein, characterized the changes in cytokine expression and the function of mesenchymal stromal cells (MSC) in patients with MDS, AML with myelodysplasia-related changes (MRC), a well-recognized clinical subtype of secondary AML, and de novo AML. We observed a significant inhibitory effect of MDS-MSC on T lymphocyte proliferation and no significant differences in any of the cytokines tested. AML-MSC inhibited T-cell proliferation only at a very low MSC/T cell ratio. When compared to the control, AML-MRCderived MSC presented a significant increase in IL6 expression, whereas de novo AML MSC presented a significant increase in the expression levels of VEGFA, CXCL12, RPGE2, IDO, IL1β, IL6 and IL32, followed by a decrease in IL10 expression. Furthermore, data indicate that IL-32 regulates stromal cell proliferation, has a chemotactic potential and participates in stromal cell crosstalk with leukemia cells, which could result in chemoresistance. Our results suggest that the differences between AML-MRC and de novo AML also extend into the leukemic stem cell niche and that IL-32 can participate in the regulation of the bone marrow cytokine milieu.
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Affiliation(s)
- Matheus Rodrigues Lopes
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - João Kleber Novais Pereira
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Paula de Melo Campos
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - João Agostinho Machado-Neto
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Fabiola Traina
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil.,Department of Internal Medicine, University of São Paulo at Ribeirão Preto Medical School, Ribeirão Preto, São Paulo, Brazil
| | - Sara T Olalla Saad
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil
| | - Patricia Favaro
- Hematology and Transfusion Medicine Center - University of Campinas/Hemocentro - Unicamp, Instituto Nacional de Ciência e Tecnologia do Sangue, Campinas, São Paulo, Brazil.,Department of Biological Sciences, Federal University of São Paulo, Diadema, São Paulo, Brazil
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19
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Arosa FA, Esgalhado AJ, Padrão CA, Cardoso EM. Divide, Conquer, and Sense: CD8 +CD28 - T Cells in Perspective. Front Immunol 2017; 7:665. [PMID: 28096804 PMCID: PMC5206803 DOI: 10.3389/fimmu.2016.00665] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 12/16/2016] [Indexed: 12/18/2022] Open
Abstract
Understanding the rationale for the generation of a pool of highly differentiated effector memory CD8+ T cells displaying a weakened capacity to scrutinize for peptides complexed with major histocompatibility class I molecules via their T cell receptor, lacking the “signal 2” CD28 receptor, and yet expressing a highly diverse array of innate receptors, from natural killer receptors, interleukin receptors, and damage-associated molecular pattern receptors, among others, is one of the most challenging issues in contemporary human immunology. The prevalence of these differentiated CD8+ T cells, also known as CD8+CD28−, CD8+KIR+, NK-like CD8+ T cells, or innate CD8+ T cells, in non-lymphoid organs and tissues, in peripheral blood of healthy elderly, namely centenarians, but also in stressful and chronic inflammatory conditions suggests that they are not merely end-of-the-line dysfunctional cells. These experienced CD8+ T cells are highly diverse and capable of sensing a variety of TCR-independent signals, which enables them to respond and fine-tune tissue homeostasis.
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Affiliation(s)
- Fernando A Arosa
- Health Sciences Research Centre (CICS-UBI), Universidade da Beira Interior, Covilhã, Portugal; Faculty of Health Sciences (FCS-UBI), Universidade da Beira Interior, Covilhã, Portugal
| | - André J Esgalhado
- Health Sciences Research Centre (CICS-UBI), Universidade da Beira Interior , Covilhã , Portugal
| | - Carolina A Padrão
- Health Sciences Research Centre (CICS-UBI), Universidade da Beira Interior , Covilhã , Portugal
| | - Elsa M Cardoso
- Health Sciences Research Centre (CICS-UBI), Universidade da Beira Interior, Covilhã, Portugal; Faculty of Health Sciences (FCS-UBI), Universidade da Beira Interior, Covilhã, Portugal
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20
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Di Rosa F, Watts TH. Editorial: Bone Marrow T Cells at the Center Stage in Immunological Memory. Front Immunol 2016; 7:596. [PMID: 28018359 PMCID: PMC5155117 DOI: 10.3389/fimmu.2016.00596] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 11/30/2016] [Indexed: 01/09/2023] Open
Affiliation(s)
- Francesca Di Rosa
- Institute of Molecular Biology and Pathology, Consiglio Nazionale delle Ricerche, c/o Department of Molecular Medicine, Sapienza University , Rome , Italy
| | - Tania H Watts
- Department of Immunology, University of Toronto , Toronto, ON , Canada
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21
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Abstract
The clinical results achieved with immunotherapy in the past few years have now firmly established it within the cancer armamentarium. Our group has explored a novel approach to adoptive T-cell therapy utilizing marrow-infiltrating lymphocytes (MILs) initially developed with the concept of utilizing a population of T cells with a higher endogenous tumor specificity. Marrow-infiltrating lymphocytes are antigen-experienced T cells that home to and remain in the bone marrow (BM) because of the unique biology of the BM microenvironment. Marrow-infiltrating lymphocytes can easily be obtained from the BM and can be expanded to demonstrate enhanced antigen specificity. Current clinical trials utilize MILs for patients with myeloma as well as patients with relapsed disease following an allogeneic transplant. Ongoing preclinical work is currently evaluating MILs for use in solid cancers as well as pediatric cancers. The examination of a MIL as a source cell for chimeric antigen receptor T or transgenic cell receptor is also in the preclinical stages. Until now, for both chimeric antigen receptor T-cell therapy and transgenic cell receptor T-cell therapy, the target cell of choice has included peripheral blood. The unique antigen-experienced properties of MILs may make them the ideal source of cell for gene modification strategies. Therefore, MILs are a distinctive set of T cells that have been shaped by the unique BM microenvironment and may play a future role as a novel immunotherapy for hematologic malignancies.
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22
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Di Rosa F. Two Niches in the Bone Marrow: A Hypothesis on Life-long T Cell Memory. Trends Immunol 2016; 37:503-512. [PMID: 27395354 DOI: 10.1016/j.it.2016.05.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 04/28/2016] [Accepted: 05/24/2016] [Indexed: 01/01/2023]
Abstract
The concept is emerging that the bone marrow (BM) sustains life-long persistence of memory T cells, as it does for plasma cells. Recent studies revived the debate on how this is achieved: is the BM essentially a nest for the proliferation of recirculating memory T cells, or a storage depot for resting memory T cells? Learning from division of labor in hematopoietic stem cells, this article proposes that two distinct BM niches support memory T cell cycling and quiescence, thereby enabling memory T cells to maintain all their distinguishing features. This framework might be instrumental to interpret some puzzling findings and conceptualize the mechanisms preserving either stability of memory T cell numbers or the capacity to mount secondary responses.
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Affiliation(s)
- Francesca Di Rosa
- Institute of Molecular Biology and Pathology, Consiglio Nazionale delle Ricerche, Rome, Italy.
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23
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Bonomo A, Monteiro AC, Gonçalves-Silva T, Cordeiro-Spinetti E, Galvani RG, Balduino A. A T Cell View of the Bone Marrow. Front Immunol 2016; 7:184. [PMID: 27242791 PMCID: PMC4868947 DOI: 10.3389/fimmu.2016.00184] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 04/29/2016] [Indexed: 01/20/2023] Open
Abstract
The majority of T cells present in the bone marrow (BM) represent an activated/memory phenotype and most of these, if not all, are circulating T cells. Their lodging in the BM keeps them activated, turning the BM microenvironment into a “memory reservoir.” This article will focus on how T cell activation in the BM results in both direct and indirect effects on the hematopoiesis. The hematopoietic stem cell niche will be presented, with its main components and organization, along with the role played by T lymphocytes in basal and pathologic conditions and their effect on the bone remodeling process. Also discussed herein will be how “normal” bone mass peak is achieved only in the presence of an intact adaptive immune system, with T and B cells playing critical roles in this process. Our main hypothesis is that the partnership between T cells and cells of the BM microenvironment orchestrates numerous processes regulating immunity, hematopoiesis, and bone remodeling.
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Affiliation(s)
- Adriana Bonomo
- Cancer Program (Fio-Cancer), Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Ana Carolina Monteiro
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation , Rio de Janeiro , Brazil
| | - Triciana Gonçalves-Silva
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Immunology and Inflammation Graduate Program, Paulo de Góes Microbiology Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eric Cordeiro-Spinetti
- Cell Biology and Technology Laboratory, Veiga de Almeida University , Rio de Janeiro , Brazil
| | - Rômulo Gonçalves Galvani
- Cancer Program (Fio-Cancer), Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Microbiology Graduate Program, Paulo de Góes Microbiology Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alex Balduino
- Cell Biology and Technology Laboratory, Veiga de Almeida University, Rio de Janeiro, Brazil; Excellion Laboratory, Amil/UnitedHealth Group, Petrópolis, Brazil
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Di Rosa F. Commentary: Memory CD8(+) T cells colocalize with IL-7(+) stromal cells in bone marrow and rest in terms of proliferation and transcription. Front Immunol 2016; 7:102. [PMID: 27064670 PMCID: PMC4814761 DOI: 10.3389/fimmu.2016.00102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 03/07/2016] [Indexed: 11/13/2022] Open
Affiliation(s)
- Francesca Di Rosa
- Institute of Molecular Biology and Pathology, Consiglio Nazionale delle Ricerche, c/o Department of Molecular Medicine, Sapienza University , Rome , Italy
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25
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Di Rosa F, Gebhardt T. Bone Marrow T Cells and the Integrated Functions of Recirculating and Tissue-Resident Memory T Cells. Front Immunol 2016; 7:51. [PMID: 26909081 PMCID: PMC4754413 DOI: 10.3389/fimmu.2016.00051] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 02/01/2016] [Indexed: 12/15/2022] Open
Abstract
Changes in T cell trafficking accompany the naive to memory T cell antigen-driven differentiation, which remains an incompletely defined developmental step. Upon priming, each naive T cell encounters essential signals – i.e., antigen, co-stimuli and cytokines – in a secondary lymphoid organ; nevertheless, its daughter effector and memory T cells recirculate and receive further signals during their migration through various lymphoid and non-lymphoid organs. These additional signals from tissue microenvironments have an impact on immune response features, including T cell effector function, expansion and contraction, memory differentiation, long-term maintenance, and recruitment upon antigenic rechallenge into local and/or systemic responses. The critical role of T cell trafficking in providing efficient T cell memory has long been a focus of interest. It is now well recognized that naive and memory T cells have different migratory pathways, and that memory T cells are heterogeneous with respect to their trafficking. We and others have observed that, long time after priming, memory T cells are preferentially found in certain niches such as the bone marrow (BM) or at the skin/mucosal site of pathogen entry, even in the absence of residual antigen. The different underlying mechanisms and peculiarities of resulting immunity are currently under study. In this review, we summarize key findings on BM and tissue-resident memory (TRM) T cells and revisit some issues in memory T cell maintenance within such niches. Moreover, we discuss BM seeding by memory T cells in the context of migration patterns and protective functions of either recirculating or TRM T cells.
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Affiliation(s)
- Francesca Di Rosa
- Institute of Molecular Biology and Pathology, Consiglio Nazionale delle Ricerche, c/o Department of Molecular Medicine Sapienza University , Rome , Italy
| | - Thomas Gebhardt
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne , Melbourne, VIC , Australia
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Pacifici R. T cells, osteoblasts, and osteocytes: interacting lineages key for the bone anabolic and catabolic activities of parathyroid hormone. Ann N Y Acad Sci 2015; 1364:11-24. [PMID: 26662934 DOI: 10.1111/nyas.12969] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Osteoimmunology is a field of research dedicated to the study of the interactions between the immune system and bone. Among the cells of the immune system that regulate bone turnover and the responsiveness of bone cells to calciothropic hormones are bone marrow T lymphocytes. T cells secrete osteoclastogenic cytokines such as RANKL and TNF-α, as well as factors that stimulate bone formation, one of which is Wnt10b. In addition, T cells regulate the differentiation and life span of stromal cells (SCs) and their responsiveness to parathyroid hormone (PTH) via costimulatory molecules expressed on their surface. The conditioning effect of T cells on SCs is inherited by the osteoblastic and osteocytic progeny of SCs. As a result, osteoblastic cells of T cell-deficient mice have functional characteristics different from corresponding cells of T cell-replete mice. These differences include the ratio of RANKL/OPG produced in response to continuous PTH treatment, and the osteoblastogenic response to intermittent PTH treatment. This article reviews the evidence indicating that the effects of PTH are mediated not only by osteoblasts and osteocytes but also by T cells.
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Affiliation(s)
- Roberto Pacifici
- Division of Endocrinology, Metabolism and Lipids, Department of Medicine, and Immunology and Molecular Pathogenesis Program, Emory University, Atlanta, Georgia
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27
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Chen CI, Zhang L, Datta SK. Hematopoietic stem and multipotent progenitor cells produce IL-17, IL-21 and other cytokines in response to TLR signals associated with late apoptotic products and augment memory Th17 and Tc17 cells in the bone marrow of normal and lupus mice. Clin Immunol 2015; 162:9-26. [PMID: 26521071 DOI: 10.1016/j.clim.2015.10.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 10/23/2015] [Accepted: 10/23/2015] [Indexed: 01/05/2023]
Abstract
We studied effects of early and late apoptotic (necroptotic) cell products, related damage associated alarmins and TLR agonists, on hematopoietic stem and progenitor cells (HSPC). Surprisingly, normal HSPC themselves produced IL-17 and IL-21 after 1½days of stimulation, and the best stimulators were TLR 7/8 agonist; HMGB1-DNA; TLR 9 agonist, and necroptotic B cells. The stimulated HSPC expressed additional cytokines/mediators, directly causing rapid expansion of IL-17(+) memory CD4 T (Th17), and CD8 T (Tc17) cells, and antigen-experienced IL-17(+) T cells with "naïve" phenotype. In lupus marrow, HSPC were spontaneously pre-stimulated by endogenous signals to produce IL-17 and IL-21. In contrast to HSPC, megakaryocyte progenitors (MKP) did not produce IL-17, and unlike HSPC, they could process and present particulate apoptotic autoantigens to augment autoimmune memory Th17 response. Thus abnormally stimulated primitive hematopoietic progenitors augment expansion of IL-17 producing immune and autoimmune memory T cells in the bone marrow, which may affect central tolerance.
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Affiliation(s)
- Ching-I Chen
- Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Li Zhang
- Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Syamal K Datta
- Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA; Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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28
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Inflammation rapidly reorganizes mouse bone marrow B cells and their environment in conjunction with early IgM responses. Blood 2015; 126:1184-92. [DOI: 10.1182/blood-2015-03-635805] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 07/03/2015] [Indexed: 01/09/2023] Open
Abstract
Key Points
Mouse inflammation models cause accumulation of B cells in the bone marrow within 12 hours and prior to peak emergency granulopoiesis. Marrow B cells undergo spatial reorganization and are subjected to an altered cellular and secreted milieu.
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29
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Interleukin-17 and its implication in the regulation of differentiation and function of hematopoietic and mesenchymal stem cells. Mediators Inflamm 2015; 2015:470458. [PMID: 25999667 PMCID: PMC4427009 DOI: 10.1155/2015/470458] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 03/24/2015] [Accepted: 03/24/2015] [Indexed: 12/21/2022] Open
Abstract
Adult stem cells have a great potential applicability in regenerative medicine and cell-based therapies. However, there are still many unresolved issues concerning their biology, and the influence of the local microenvironment on properties of stem cells has been increasingly recognized. Interleukin (IL-) 17, as a cytokine implicated in many physiological and pathological processes, should be taken into consideration as a part of a regulatory network governing tissue-associated stem cells' fate. This review is focusing on the published data on the effects of IL-17 on the properties and function of hematopoietic and mesenchymal stem cells and trying to discuss that IL-17 achieves many of its roles by acting on adult stem cells.
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Guerrero AD, Dong MB, Zhao Y, Lau-Kilby A, Tarbell KV. Interleukin-2-mediated inhibition of dendritic cell development correlates with decreased CD135 expression and increased monocyte/macrophage precursors. Immunology 2015; 143:640-50. [PMID: 24954893 DOI: 10.1111/imm.12345] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 06/06/2014] [Accepted: 06/18/2014] [Indexed: 11/27/2022] Open
Abstract
We have previously shown that interleukin-2 (IL-2) inhibits dendritic cell (DC) development from mouse bone marrow (BM) precursors stimulated with the ligand for FMS-like tyrosine kinase 3 receptor (Flt3L), and have provided evidence that this inhibition occurs at the monocyte DC precursor stage of DC development. Here, we explored the mechanism of IL-2-mediated inhibition of DC development. First, we showed that these in vitro cultures accurately model DCs that develop in vivo by comparing gene and protein expression of the three main Flt3L-induced DC subsets from the BM, CD11b(+) and CD24(+) conventional DCs (cDCs) and plasmacytoid DCs (pDCs) with their respective ex vivo spleen DC subsets (CD11b(+), CD8(+) and pDCs). Next, gene expression changes were quantified in Flt3L DC subsets that developed in the presence of IL-2. These changes included increased expression of Bcl2l11, which encodes the apoptosis-inducing protein Bim, and decreased expression of Flt3 (CD135), the receptor that initiates DC development. Interleukin-2 also significantly reduced Flt3 protein expression on all three Flt3L DC subsets, and attenuated Flt3L-induced STAT3 phosphorylation in DCs. Based on these data, we hypothesized that decreased Flt3 signalling may divert BM precursors down monocyte and macrophage lineages. Indeed, addition of IL-2 led to increases in Flt3(-) cells, including cKit(+) Ly6C(+) CD11b(-) populations consistent with the recently identified committed monocyte/macrophage progenitor. Therefore, IL-2 can inhibit DC development via decreased signalling through Flt3 and increased monocyte/macrophage development.
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Affiliation(s)
- Alan D Guerrero
- Immune Tolerance Section, Diabetes, Endocrinology and Obesity Branch, National Institute of Diabetes, and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
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31
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Kudernatsch RF, Letsch A, Guerreiro M, Löbel M, Bauer S, Volk HD, Scheibenbogen C. Human bone marrow contains a subset of quiescent early memory CD8(+) T cells characterized by high CD127 expression and efflux capacity. Eur J Immunol 2014; 44:3532-42. [PMID: 25231631 DOI: 10.1002/eji.201344180] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 08/27/2014] [Accepted: 09/15/2014] [Indexed: 12/23/2022]
Abstract
Even today it is still not completely understood how CD8(+) T-cell memory is maintained long term. Since bone marrow (BM) is a niche for immunological memory, we sought to identify long-lasting early memory CD8(+) T cells in this compartment. To achieve this, we looked for CD8(+) T cells that are able to efflux Rhodamine 123, a typical property of stem cells. Indeed, we identified a distinct subset of CD8(+) T cells in BM, with the capacity to efflux and high CD127 expression. These CD127(hi) effluxers are conventional CD8(+) T cells exhibiting a broad TCR-Vβ repertoire and are generated in response to viral peptides in vitro. CD127(hi) effluxer CD8(+) T cells have an early memory phenotype defined by preferential TNF-α production and a Bcl-2(hi) , KLRG-1(low) profile. This population has long telomeres and shows constitutively low frequencies of Ki-67 expression ex vivo, but has a high proliferative and differentiation capacity in vitro. However, IL-15 downmodulates CD127 in CD127(hi) effluxer CD8(+) T cells in vitro. Consequently, the CD127(low) effluxer subset may comprise cells recently exposed to IL-15. Taken together, CD127(hi) effluxer CD8(+) T cells represent a novel population of early memory T cells resident in BM with properties required for long-lived memory.
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Affiliation(s)
- Robert F Kudernatsch
- Institute of Medical Immunology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany
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32
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Besedovsky L, Linz B, Born J, Lange T. Mineralocorticoid receptor signaling reduces numbers of circulating human naïve T cells and increases their CD62L, CCR7, and CXCR4 expression. Eur J Immunol 2014; 44:1759-69. [PMID: 24595810 PMCID: PMC4298762 DOI: 10.1002/eji.201344265] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 01/17/2014] [Accepted: 02/21/2014] [Indexed: 01/08/2023]
Abstract
The role of mineralocorticoid receptors (MRs) in human T-cell migration is not yet understood. We have recently shown that the MR antagonist spironolactone selectively increases the numbers of circulating naïve and central memory T cells during early sleep, which is the time period in the 24 h cycle hallmarked by predominant MR activation. To investigate whether this effect is specific to spironolactone's blockade of MRs and to study the underlying molecular mechanisms, healthy humans were given the selective MR-agonist fludrocortisone or placebo and numbers of eight T-cell subsets and their CD62L and CXCR4 expression were analyzed. Fludrocortisone selectively reduced counts of naïve CD4(+) , central memory CD4(+), and naïve CD8(+) T cells and increased CXCR4 expression on the naïve subsets. In complementing in vitro studies, fludrocortisone enhanced CXCR4 and CD62L expression, which was counteracted by spironolactone. Incubation of naïve T cells with spironolactone alone reduced CD62L and CCR7 expression. Our results indicate a regulatory influence of MR signaling on human T-cell migration and suggest a role for endogenous aldosterone in the redistribution of T-cell subsets to lymph nodes, involving CD62L, CCR7, and CXCR4. Facilitation of T-cell homing following sleep-dependent aldosterone release might thus essentially contribute to sleep's well-known role in supporting adaptive immunity.
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Affiliation(s)
- Luciana Besedovsky
- Department of Medical Psychology and Behavioral Neurobiology, University of TübingenTübingen, Germany
| | - Barbara Linz
- Department of Neuroendocrinology, University of LübeckLübeck, Germany
| | - Jan Born
- Department of Medical Psychology and Behavioral Neurobiology, University of TübingenTübingen, Germany
- Center for Integrative Neuroscience, University of TübingenTübingen, Germany
| | - Tanja Lange
- Department of Neuroendocrinology, University of LübeckLübeck, Germany
- Department of Internal Medicine I, University of LübeckLübeck, Germany
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33
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Li P, Zheng SJ, Jiang CH, Zhou SM, Tian HJ, Zhang G, Gao YQ. Th2 lymphocytes migrating to the bone marrow under high-altitude hypoxia promote erythropoiesis via activin A and interleukin-9. Exp Hematol 2014; 42:804-15. [PMID: 24769210 DOI: 10.1016/j.exphem.2014.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 04/08/2014] [Accepted: 04/15/2014] [Indexed: 12/01/2022]
Abstract
The mechanism of accelerated erythropoiesis under the hypoxic conditions of high altitude (HA) remains largely obscure. Here, we investigated the potential role of bone marrow (BM) T cells in the increased production of erythrocytes at HA. We found that mice exposed to a simulated altitude of 6,000 m for 1-3 weeks exhibited a significant expansion of BM CD4+ cells, mainly caused by increasing T helper 2 (Th2) cells. Using a coculture model of BM T cells and hematopoietic stem/progenitor cells, we observed that BM CD4+ cells from hypoxic mice induced erythroid output more easily, in agreement with the erythroid-enhancing effect observed for Th2-condition-cultured BM CD4+ cells. It was further demonstrated that elevated secretion of activin A and interleukin-9 by BM Th2 cells of hypoxic mice promoted erythroid differentiation of hematopoietic stem/progenitor cells and the growth of erythroblasts, respectively. Our study also provided evidence that the CXCL12-CXCR4 interaction played an important role in Th2 cell trafficking to the BM under HA conditions. These results collectively suggest that Th2 cells migrating to the BM during HA exposure have a regulatory role in erythropoiesis, which provides new insight into the mechanism of high altitude polycythemia.
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Affiliation(s)
- Peng Li
- Department of High Altitude Military Hygiene, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China
| | - Shan-jun Zheng
- Department of High Altitude Military Hygiene, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China
| | - Chun-hua Jiang
- Department of Pathophysiology and High Altitude Physiology, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China
| | - Si-min Zhou
- Department of High Altitude Military Hygiene, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China
| | - Huai-jun Tian
- Department of High Altitude Military Hygiene, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China
| | - Gang Zhang
- Department of High Altitude Military Hygiene, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China
| | - Yu-qi Gao
- Department of Pathophysiology and High Altitude Physiology, College of High Altitude Military Medicine, Third Military Medical University, Chongqing, China; Key Laboratory of High Altitude Medicine, Ministry of Education, Chongqing, China; The Key Laboratory of High Altitude Medicine, People's Liberation Army, Chongqing, China.
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34
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Labunets IF. The peculiarities of age-related changes in the cellular composition of bone marrow, pineal melatonin-forming function, and thymus endocrine function in mice of different strains. ADVANCES IN GERONTOLOGY 2014. [DOI: 10.1134/s2079057014020118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Inflammation mediators in employees in chronic exposure to neurotoxicants. Int J Occup Med Environ Health 2014; 27:619-26. [DOI: 10.2478/s13382-014-0284-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 04/14/2014] [Indexed: 11/20/2022] Open
Abstract
Abstract
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36
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Pacifici R. Role of T cells in the modulation of PTH action: physiological and clinical significance. Endocrine 2013; 44:576-82. [PMID: 23729167 PMCID: PMC3815684 DOI: 10.1007/s12020-013-9960-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Accepted: 04/10/2013] [Indexed: 12/24/2022]
Abstract
Osteoimmunology is new field of research dedicated to the study of the interactions between the immune system and bone. Among the cells of the immune system that regulate bone and hemopoietic cells are T lymphocytes. These cells secrete osteoclastogenic cytokines such as RANKL and TNF, as well as factors that stimulate bone formation and hemopoietic cells, one of which is Wnt10b. This article will review the evidence that T cells are implicated in the mechanism of action of parathyroid hormone (PTH) in bone and on the hemopoietic system.
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Affiliation(s)
- Roberto Pacifici
- Division of Endocrinology, Metabolism and Lipids, Department of Medicine, Emory University School of Medicine, 101 Woodruff Circle, Room 1309, Atlanta, GA, 30322, USA,
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37
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Przybyla BD, Shafirstein G, Vishal SJ, Dennis RA, Griffin RJ. Molecular changes in bone marrow, tumor and serum after conductive ablation of murine 4T1 breast carcinoma. Int J Oncol 2013; 44:600-8. [PMID: 24270800 PMCID: PMC3898720 DOI: 10.3892/ijo.2013.2185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Accepted: 10/23/2013] [Indexed: 11/06/2022] Open
Abstract
Thermal ablation of solid tumors using conductive interstitial thermal therapy (CITT) produces coagulative necrosis in the center of ablation. Local changes in homeostasis for surviving tumor and systemic changes in circulation and distant organs must be understood and monitored in order to prevent tumor re-growth and metastasis. The purpose of this study was to use a mouse carcinoma model to evaluate molecular changes in the bone marrow and surviving tumor after CITT treatment by quantification of transcripts associated with cancer progression and hyperthermia, serum cytokines, stress proteins and the marrow/tumor cross-talk regulator stromal-derived factor 1. Analysis of 27 genes and 22 proteins with quantitative PCR, ELISA, immunoblotting and multiplex antibody assays revealed that the gene and protein expression in tissue and serum was significantly different between ablated and control mice. The transcripts of four genes (Cxcl12, Sele, Fgf2, Lifr) were significantly higher in the bone marrow of treated mice. Tumors surviving ablation showed significantly lower levels of the Lifr and Sele transcripts. Similarly, the majority of transcripts measured in tumors decreased with treatment. Surviving tumors also contained lower levels of SDF-1α and HIF-1α proteins whereas HSP27 and HSP70 were higher. Of 16 serum chemokines, IFNγ and GM-CSF levels were lower with treatment. These results indicate that CITT ablation causes molecular changes which may slow cancer cell proliferation. However, inhibition of HSP27 may be necessary to control aggressiveness of surviving cancer stem cells. The changes in bone marrow are suggestive of possible increased recruitment of circulatory cancer cells. Therefore, the possibility of heightened bone metastasis after thermal ablation needs to be further investigated and inhibition strategies developed, if warranted.
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Affiliation(s)
- Beata D Przybyla
- Department of Radiation Oncology, University of Arkansas for Medical Science, Little Rock, AR, USA
| | - Gal Shafirstein
- Department of Cell Stress Biology and Otolaryngology, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Sagar J Vishal
- College of Medicine, University of Arkansas for Medical Science, Little Rock, AR, USA
| | - Richard A Dennis
- Geriatric Research Education and Clinical Center, Central Arkansas Veteran Healthcare System, Little Rock, AR, USA
| | - Robert J Griffin
- Department of Radiation Oncology, University of Arkansas for Medical Science, Little Rock, AR, USA
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38
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Besedovsky L, Born J, Lange T. Endogenous glucocorticoid receptor signaling drives rhythmic changes in human T-cell subset numbers and the expression of the chemokine receptor CXCR4. FASEB J 2013; 28:67-75. [PMID: 24051033 DOI: 10.1096/fj.13-237958] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In humans, numbers of circulating naive T cells strongly decline in the morning, which was suggested to be mediated by cortisol, inducing a CXCR4 up-regulation with a subsequent extravasation of the cells. As a systematic evaluation of this assumption is lacking, we investigated in two human placebo-controlled studies the effects of the glucocorticoid receptor (GR) antagonist mifepristone (200 mg orally at 23:00) and of suppressing endogenous cortisol with metyrapone (1 g orally at 04:00) on temporal changes in CXCR4 expression and numbers of different T-cell subsets using flow cytometry. Mifepristone attenuated, and metyrapone completely blocked, the morning increase in CXCR4 expression on naive T cells. In parallel, both substances also hindered the decline in naive T-cell numbers with this effect, however, being less apparent after mifepristone. We identified, and confirmed in additional in vitro studies, a partial agonistic GR effect of mifepristone at night (i.e., between 02:00 and 03:30) that could explain the lower antagonistic efficacy of the substance on CXCR4 expression and naive T-cell counts. CXCR4 expression emerged to be a most sensitive marker of GR signaling. Our studies jointly show that endogenous cortisol, specifically via GR activation, causes the morning increase in CXCR4 expression and the subsequent extravasation of naive T cells, thus revealing an important immunological function of the morning cortisol rise.
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Affiliation(s)
- Luciana Besedovsky
- 1Department of Neuroendocrinology, University of Lübeck, Ratzeburger Allee 160, Lübeck 23538, Germany.
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39
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Monteiro AC, Leal AC, Gonçalves-Silva T, Mercadante ACT, Kestelman F, Chaves SB, Azevedo RB, Monteiro JP, Bonomo A. T cells induce pre-metastatic osteolytic disease and help bone metastases establishment in a mouse model of metastatic breast cancer. PLoS One 2013; 8:e68171. [PMID: 23935856 PMCID: PMC3730734 DOI: 10.1371/journal.pone.0068171] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Accepted: 05/26/2013] [Indexed: 12/18/2022] Open
Abstract
Bone metastases, present in 70% of patients with metastatic breast cancer, lead
to skeletal disease, fractures and intense pain, which are all believed to be
mediated by tumor cells. Engraftment of tumor cells is supposed to be preceded
by changes in the target tissue to create a permissive microenvironment, the
pre-metastatic niche, for the establishment of the metastatic foci. In bone
metastatic niche, metastatic cells stimulate bone consumption resulting in the
release of growth factors that feed the tumor, establishing a vicious cycle
between the bone remodeling system and the tumor itself. Yet, how the
pre-metastatic niches arise in the bone tissue remains unclear. Here we show
that tumor-specific T cells induce osteolytic bone disease before bone
colonization. T cells pro-metastatic activity correlate with a
pro-osteoclastogenic cytokine profile, including RANKL, a master regulator of
osteoclastogenesis. In vivo inhibition of RANKL from tumor-specific T cells
completely blocks bone loss and metastasis. Our results unveil an unexpected
role for RANKL-derived from T cells in setting the pre-metastatic niche and
promoting tumor spread. We believe this information can bring new possibilities
for the development of prognostic and therapeutic tools based on modulation of T
cell activity for prevention and treatment of bone metastasis.
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Affiliation(s)
- Ana Carolina Monteiro
- Experimental Medicine Program, Brazilian National Cancer Institute, Rio
de Janeiro, Brazil
- Laboratory on Thymus Research, Oswaldo Cruz Institute, FIOCRUZ, Rio de
Janeiro, Brazil
| | - Ana Carolina Leal
- Experimental Medicine Program, Brazilian National Cancer Institute, Rio
de Janeiro, Brazil
| | - Triciana Gonçalves-Silva
- Experimental Medicine Program, Brazilian National Cancer Institute, Rio
de Janeiro, Brazil
- Laboratory on Thymus Research, Oswaldo Cruz Institute, FIOCRUZ, Rio de
Janeiro, Brazil
- Immunology Department, Microbiology Institute Prof. Paulo de Góes,
Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Carolina T. Mercadante
- Experimental Medicine Program, Brazilian National Cancer Institute, Rio
de Janeiro, Brazil
- Laboratory on Thymus Research, Oswaldo Cruz Institute, FIOCRUZ, Rio de
Janeiro, Brazil
| | | | | | | | - João P. Monteiro
- Lymphocyte Biology Section, Laboratory of Systems Biology/NIAID/NIH,
Bethesda, Maryland, United States of America
| | - Adriana Bonomo
- Experimental Medicine Program, Brazilian National Cancer Institute, Rio
de Janeiro, Brazil
- Laboratory on Thymus Research, Oswaldo Cruz Institute, FIOCRUZ, Rio de
Janeiro, Brazil
- Immunology Department, Microbiology Institute Prof. Paulo de Góes,
Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- * E-mail:
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Quinci AC, Vitale S, Parretta E, Soriani A, Iannitto ML, Cippitelli M, Fionda C, Bulfone-Paus S, Santoni A, Di Rosa F. IL-15 inhibits IL-7Rα expression by memory-phenotype CD8⁺ T cells in the bone marrow. Eur J Immunol 2012; 42:1129-39. [PMID: 22539288 DOI: 10.1002/eji.201142019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
CD127 is the IL-7 receptor α-chain and its expression is tightly regulated during T-cell differentiation. We previously showed that the bone marrow (BM) is a key organ for proliferation and maintenance of both antigen-specific and CD44(high) memory CD8(+) T cells. Interestingly, BM memory CD8(+) T cells express lower levels of membrane CD127 than do the corresponding spleen and lymph node cells. We investigated the requirements for CD127 downmodulation by CD44(high) memory-phenotype CD8(+) T cells in the BM of C57BL/6 mice. By comparing genetically modified (i.e. CD127tg, IL-7 KO, IL-15 KO, IL-15Rα KO) with wild-type (WT) mice, we found that the key molecule regulating CD127 downmodulation was IL-15 but not IL-7, and that the intact CD127 gene was required, including the promoter. Indeed, CD127 mRNA transcript levels were lower in CD44(high) CD8(+) T cells from the BM than in those from the spleen of WT mice, indicating organ-specific regulation. Although levels of the CD127 transactivator Foxo1 were low in BM CD44(high) CD8(+) T cells, Foxo1 was not involved in IL-15-induced CD127 downmodulation. Thus, recirculating CD44(high) CD8(+) T cells passing through the BM transiently downregulate CD127 in response to IL-15, with implications for human therapies acting on the IL-7/CD127 axis, for example cytokine treatments in cancer patients.
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Affiliation(s)
- Angela C Quinci
- Department of Molecular Medicine-Istituto Pasteur Fondazione Cenci-Bolognetti, University of Rome Sapienza, Rome, Italy
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Veerman KM, Carlow DA, Shanina I, Priatel JJ, Horwitz MS, Ziltener HJ. PSGL-1 regulates the migration and proliferation of CD8(+) T cells under homeostatic conditions. THE JOURNAL OF IMMUNOLOGY 2012; 188:1638-46. [PMID: 22250093 DOI: 10.4049/jimmunol.1103026] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
P-selectin glycoprotein ligand-1 (PSGL-1), a heavily glycosylated sialomucin expressed on most leukocytes, has dual function as a selectin ligand for leukocyte rolling on vascular selectins expressed in inflammation and as a facilitator of resting T cell homing into lymphoid organs. In this article, we document disturbances in T cell homeostasis present in PSGL-1(null) mice. Naive CD4(+) and CD8(+) T cell frequencies were profoundly reduced in blood, whereas T cell numbers in lymph nodes and spleen were at or near normal levels. Although PSGL-1(null) T cells were less efficient at entering lymph nodes, they also remained in lymph nodes longer than PSGL-1(+/+) T cells, suggesting that PSGL-1 supports T cell egress. In addition, PSGL-1(null) CD8(+) T cell proliferation was observed under steady-state conditions and PSGL-1(null) CD8(+) T cells were found to be hyperresponsive to homeostatic cytokines IL-2, IL-4, and IL-15. Despite these disturbances in T cell homeostasis, PSGL-1(null) mice exhibited a normal acute response (day 8) to lymphocytic choriomeningitis virus infection but generated an increased frequency of memory T cells (day 40). Our observations demonstrate a novel pleiotropic influence of PSGL-1 deficiency on several aspects of T cell homeostasis that would not have been anticipated based on the mild phenotype of PSGL-1(null) mice. These potentially offsetting effects presumably account for the near-normal cellularity seen in lymph nodes of PSGL-1(null) mice.
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Affiliation(s)
- Krystle M Veerman
- Biomedical Research Centre, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
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Noonan K, Rudraraju L, Ferguson A, Emerling A, Pasetti MF, Huff CA, Borrello I. Lenalidomide-induced immunomodulation in multiple myeloma: impact on vaccines and antitumor responses. Clin Cancer Res 2012; 18:1426-34. [PMID: 22241792 DOI: 10.1158/1078-0432.ccr-11-1221] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To show that the immunomodulatory drug lenalidomide can be used in patients with relapsed multiple myeloma to augment vaccine responses. EXPERIMENTAL DESIGN Early phase clinical trial of patients with multiple myeloma who received at least one prior therapy. Patients were treated with single-agent lenalidomide and randomized to receive two vaccinations with pneumococcal 7-valent conjugate vaccine (PCV) on different schedules. Cohort A received the first PCV vaccination prior to the initiation of lenalidomide and the second vaccination while on lenalidomide. Cohort B received both vaccinations while on lenalidomide. RESULTS PCV-specific humoral and cellular responses were greater in cohort B than A and were more pronounced in the bone marrow than the blood, suggesting that maximal vaccine efficacy was achieved when both vaccines were administered concomitantly with lenalidomide. Patients with a clinical myeloma response showed evidence of a tumor-specific immune response with increases in myeloma-specific IFN-γ(+) T cells and reductions in Th-17 cells. CONCLUSIONS This is the first clinical evidence showing that lenalidomide augments vaccine responses and endogenous antitumor immunity in patients and as such may serve as an adjuvant for cancer and possibly infectious vaccines.
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Affiliation(s)
- Kimberly Noonan
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Johns Hopkins Medicine, Baltimore, Maryland 21231, USA
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Biasi G, Facchinetti A, Cappellari R, Rossi E, Zanovello P. Immune response to Moloney-murine leukemia virus-induced antigens in bone marrow. Immunol Lett 2011; 138:79-85. [PMID: 21453727 DOI: 10.1016/j.imlet.2011.03.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Revised: 03/09/2011] [Accepted: 03/20/2011] [Indexed: 10/18/2022]
Abstract
By exploring induction and persistence of virus-specific memory CD8(+) T cells in the BM of Moloney-murine sarcoma/leukemia virus-immune mice, we observed that the amount of activated CD8(+)CD62L(-) cells increased more rapidly and persisted for a longer period than in peripheral organs. Among the CD8(+)CD62L(-) subset, the few cells, specific for M-MuLV encoded antigens, expressing TCRVβ5 rearrangements increased in an explosive manner doubling the percentage of TCRVβ5(+) subset so that as a final result more than 10% of CD8(+) lymphocytes became potential virus-specific cytotoxic effectors. The numerical expansion of Vβ5(+) cells started and persisted in the same proportion among both CD8(+)CD62L(-) and CD8(+)CD62L(+) subsets. In these subsets the analysis of CD44 phenotype, to distinguish effector (TEM) and central (TCM) memory, evidenced a twofold increase of Vβ5(+) TEM percentage and fourfold increase of Vβ5(+) TCM. In parallel, the non virus-specific Vβ5(-) counterpart, also numerically increased due to the CD8(+) expansion, was partially reduced as TEM percentage and doubled as TCM percentage. We conclude that the immune response to M-MuLV encoded antigens in BM generate not only a large number of virus-specific memory cells but also the re-shaping of the entire memory T cell repertoire.
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Affiliation(s)
- Giovanni Biasi
- Department of Molecular Pathology, Faculty of Medicine, Polytechnic University of Marche, Ancona, Italy.
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Simard N, Konforte D, Tran AH, Esufali J, Leonard WJ, Paige CJ. Analysis of the role of IL-21 in development of murine B cell progenitors in the bone marrow. THE JOURNAL OF IMMUNOLOGY 2011; 186:5244-53. [PMID: 21430229 DOI: 10.4049/jimmunol.1004040] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
IL-21 plays a key role in the late stage of B cell development, where it has been shown to induce growth and differentiation of mature B cells into Ig-secreting plasma cells. Because IL-21R has also been reported on bone marrow (BM) B cell progenitors, we investigated whether IL-21R influenced earlier stages of B cell development. IL-21R is functional as early as the pro-B cell stage, and the strength of receptor-mediated signaling increases as cells mature. The addition of IL-21 to B cell progenitors in cell culture resulted in the accelerated appearance of mature B cell markers and was associated with the induction of Aid, Blimp1, and germline transcripts. We also found that stimulation of both IL-21R and CD40 was sufficient to induce the maturation of early B cell progenitors into IgM- and IgG-secreting cells. Consistent with a role for IL-21 in promoting B cell differentiation, the number of B220(+)CD43(+)IgM(-) pro-B cells was increased, and the number of mature IgM(hi)IgD(hi) cells was decreased in BM of IL-21R-deficient mice. We also report in this paper that IL-21 is expressed by BM CD4(+) T cells. These results provide evidence that IL-21R is functional in B cell progenitors and indicate that IL-21 regulates B cell development.
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Affiliation(s)
- Nathalie Simard
- Ontario Cancer Institute, Princess Margaret Hospital, University Health Network, Toronto, Ontario M5G 2M9, Canada.
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DeNucci CC, Shimizu Y. β1 integrin is critical for the maintenance of antigen-specific CD4 T cells in the bone marrow but not long-term immunological memory. THE JOURNAL OF IMMUNOLOGY 2011; 186:4019-26. [PMID: 21357540 DOI: 10.4049/jimmunol.1003566] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The long-term maintenance of memory CD4 T cells promotes protective immunity against future pathogen reinfection. As a site rich in survival cytokines, the bone marrow is proposed to be a critical niche for the survival of memory CD4 T cells. We demonstrate that endogenous, polyclonal Ag-specific CD4 T cells rapidly enter and are recovered long-term from the bone marrow following i.v. infection with Listeria monocytogenes. β(1) integrin-deficient CD4 T cells also populate the bone marrow early following an infection, but their numbers in this site rapidly decline. This decline was not caused by increased death of T cells lacking β(1) integrin but rather by reduced retention in the bone marrow after the primary immune response. The loss of memory CD4 T cells from the bone marrow does not lead to a loss of the predominant source of memory CD4 T cells in the spleen or the ability to mount a memory response. Thus, β(1) integrin-dependent maintenance of memory CD4 T cells in the bone marrow is not required for long-term CD4 T cell memory.
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Affiliation(s)
- Christopher C DeNucci
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota Medical School, Minneapolis, MN 55455, USA
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Grassi F, Manferdini C, Cattini L, Piacentini A, Gabusi E, Facchini A, Lisignoli G. T cell suppression by osteoclasts in vitro. J Cell Physiol 2011; 226:982-90. [DOI: 10.1002/jcp.22411] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Interleukin-2 inhibits FMS-like tyrosine kinase 3 receptor ligand (flt3L)-dependent development and function of conventional and plasmacytoid dendritic cells. Proc Natl Acad Sci U S A 2011; 108:2408-13. [PMID: 21262836 DOI: 10.1073/pnas.1009738108] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Steady-state development of plasmacytoid dendritic cells (pDCs) and conventional dendritic cells (cDCs) requires the ligand for FMS-like tyrosine kinase 3 receptor (flt3L), but little is known about how other cytokines may also control this process. In this study, we show that IL-2 inhibits the development of both pDCs and cDCs from bone marrow cells under flt3L stimulation, by acting on lineage(-) flt3(+) precursors. This inhibition of DC development by IL-2 requires IL-2Rα and IL2Rβ. IL-2Rα is specifically expressed in one stage of the DC precursor: the monocyte and DC progenitors (MDPs). Furthermore, more MDPs are found in flt3L-stimulated bone marrow cultures when IL-2 is present, suggesting that IL-2 may be inhibiting DC development at the MDP stage. Consistent with our in vitro findings, we observe that nonobese diabetic (NOD) mice, which express less IL-2 compared with diabetes-resistant NOD.Idd3/5 mice, have more splenic pDCs. Additionally, DCs developed in vitro in the presence of flt3L and IL-2 display reduced ability to stimulate T-cell proliferation compared with DCs developed in the presence of flt3L alone. Although the addition of IL-2 does not increase the apoptosis of DCs during their development, DCs developed in the presence of IL-2 are more prone to apoptosis upon interaction with T cells. Together our data show that IL-2 can inhibit both the development and the function of DCs. This pathway may have implications for the loss of immune tolerance: Reduced IL-2 signaling may lead to increased DC number and T-cell stimulatory capacity.
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Isgrò A, Marziali M, Sodani P, Gaziev J, Erer B, Polchi P, Paciaroni K, Roveda A, De Angelis G, Gallucci C, Alfieri C, Simone MD, Zinno F, Isacchi G, Adorno G, Lanti A, Leti W, Aiuti F, Fraboni D, Andreani M, Lucarelli G. Immunohematologic Reconstitution in Pediatric Patients after T Cell-Depleted HLA-Haploidentical Stem Cell Transplantation for Thalassemia. Biol Blood Marrow Transplant 2010; 16:1557-66. [DOI: 10.1016/j.bbmt.2010.05.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Accepted: 05/12/2010] [Indexed: 11/25/2022]
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Pacifici R. T cells: critical bone regulators in health and disease. Bone 2010; 47:461-71. [PMID: 20452473 PMCID: PMC2926258 DOI: 10.1016/j.bone.2010.04.611] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2010] [Revised: 04/27/2010] [Accepted: 04/30/2010] [Indexed: 01/16/2023]
Abstract
Postmenopausal osteoporosis and hyperparathyroidism are to two common forms of bone loss caused primarily by an expansion of the osteoclastic pool only partially compensated by a stimulation of bone formation. The intimate mechanisms by which estrogen deficiency and excessive production of PTH cause bone loss remain to be determined in part because in vitro studies do not provide the means to adequately reproduce the effects of ovx and PTH overproduction observed in vivo. This article examines the connection between T cells and bone in health and disease and reviews the evidence in favor of the hypothesis that T cells play an unexpected critical role in the mechanism of action of estrogen and PTH in bone.
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Affiliation(s)
- Roberto Pacifici
- Division of Endocrinology, Metabolism and Lipids, Department of Medicine, Emory University, Atlanta, Georgia 30322, USA.
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