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de Brito AA, Herculano KZ, de Alvarenga-Nascimento CR, Estefano-Alves C, Duran CCG, Marcos RL, Silva Junior JA, Chavantes MC, Zamuner SR, Aimbire F, Lladó-Pelfort L, Gubern A, Fàbrega A, da Palma RK, Ligeiro de Oliveira AP. Effect of photobiomodulation in the balance between effector and regulatory T cells in an experimental model of COPD. Front Med (Lausanne) 2024; 11:1347517. [PMID: 38903812 PMCID: PMC11188410 DOI: 10.3389/fmed.2024.1347517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/26/2024] [Indexed: 06/22/2024] Open
Abstract
Introduction Currently, Chronic Obstructive Pulmonary Disease (COPD) has a high impact on morbidity and mortality worldwide. The increase of CD4+, CD8+ cells expressing NF-κB, STAT4, IFN-γ and perforin are related to smoking habit, smoking history, airflow rate, obstruction and pulmonary emphysema. Furthermore, a deficiency in CD4+CD25+Foxp3+ regulatory T cells (Tregs) may impair the normal function of the immune system and lead to respiratory immune disease. On the other hand, the anti-inflammatory cytokine IL-10, produced by Treg cells and macrophages, inhibits the synthesis of several pro-inflammatory cytokines that are expressed in COPD. Therefore, immunotherapeutic strategies, such as Photobiomodulation (PBM), aim to regulate the levels of cytokines, chemokines and transcription factors in COPD. Consequently, the objective of this study was to evaluate CD4+STAT4 and CD4+CD25+Foxp3+ cells as well as the production of CD4+IFN- γ and CD4+CD25+IL-10 in the lung after PBM therapy in a COPD mice model. Methods We induced COPD in C57BL/6 mice through an orotracheal application of cigarette smoke extract. PMB treatment was applied for the entire 7 weeks and Bronchoalveolar lavage (BAL) and lungs were collected to study production of IFN- γ and IL-10 in the lung. After the last administration with cigarette smoke extract (end of 7 weeks), 24 h later, the animals were euthanized. One-way ANOVA followed by NewmanKeuls test were used for statistical analysis with significance levels adjusted to 5% (p < 0.05). Results This result showed that PBM improves COPD symptomatology, reducing the number of inflammatory cells (macrophages, neutrophils and lymphocytes), the levels of IFN-γ among others, and increased IL-10. We also observed a decrease of collagen, mucus, bronchoconstriction index, alveolar enlargement, CD4+, CD8+, CD4+STAT4+, and CD4+IFN-γ+ cells. In addition, in the treated group, we found an increase in CD4+CD25+Foxp3+ and CD4+IL-10+ T cells. Conclusion This study suggests that PBM treatment could be applied as an immunotherapeutic strategy for COPD.
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Affiliation(s)
- Auriléia Aparecida de Brito
- Universidade Nove de Julho, São Paulo, Brazil
- Departament of Research Development and Innovation, Innovative Health System Health Management (HIS Medicine and Technology), São Paulo, Brazil
| | - Karine Zanella Herculano
- Departament of Research Development and Innovation, Innovative Health System Health Management (HIS Medicine and Technology), São Paulo, Brazil
- Departament of Surgery, Faculty of Veterinary, University of São Paulo, São Paulo, Brazil
| | | | | | | | | | | | | | | | - Flávio Aimbire
- Translational Medicine, Federal University of São Paulo-UNIFESP, São José dos Campos, Brazil
| | - Laia Lladó-Pelfort
- Department of Basic Sciences, Faculty of Health Sciences at Manresa, University of Vic-Central University of Catalonia (UVic-UCC), Manresa, Spain
| | - Albert Gubern
- Department of Basic Sciences, Faculty of Health Sciences at Manresa, University of Vic-Central University of Catalonia (UVic-UCC), Manresa, Spain
- Faculty of Medicine, University of Vic-Central, Manresa, Spain
| | - Anna Fàbrega
- Department of Basic Sciences, Faculty of Health Sciences at Manresa, University of Vic-Central University of Catalonia (UVic-UCC), Manresa, Spain
- Faculty of Medicine, University of Vic-Central, Manresa, Spain
- Tissue Repair and Regeneration Laboratory (TR2Lab), Institute for Research and Innovation in Life and Health Sciences in Central Catalonia (Iris-CC), Vic, Spain
| | - Renata Kelly da Palma
- Departament of Surgery, Faculty of Veterinary, University of São Paulo, São Paulo, Brazil
- Tissue Repair and Regeneration Laboratory (TR2Lab), Institute for Research and Innovation in Life and Health Sciences in Central Catalonia (Iris-CC), Vic, Spain
- Faculty of Health Sciences at Manresa, University of Vic-Central University of Catalonia (UVic-UCC), Manresa, Spain
- University Center of Anápolis, Anápolis, Brazil
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2
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Yin R, Melton S, Huseby ES, Kardar M, Chakraborty AK. How persistent infection overcomes peripheral tolerance mechanisms to cause T cell-mediated autoimmune disease. Proc Natl Acad Sci U S A 2024; 121:e2318599121. [PMID: 38446856 PMCID: PMC10945823 DOI: 10.1073/pnas.2318599121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/06/2024] [Indexed: 03/08/2024] Open
Abstract
T cells help orchestrate immune responses to pathogens, and their aberrant regulation can trigger autoimmunity. Recent studies highlight that a threshold number of T cells (a quorum) must be activated in a tissue to mount a functional immune response. These collective effects allow the T cell repertoire to respond to pathogens while suppressing autoimmunity due to circulating autoreactive T cells. Our computational studies show that increasing numbers of pathogenic peptides targeted by T cells during persistent or severe viral infections increase the probability of activating T cells that are weakly reactive to self-antigens (molecular mimicry). These T cells are easily re-activated by the self-antigens and contribute to exceeding the quorum threshold required to mount autoimmune responses. Rare peptides that activate many T cells are sampled more readily during severe/persistent infections than in acute infections, which amplifies these effects. Experiments in mice to test predictions from these mechanistic insights are suggested.
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Affiliation(s)
- Rose Yin
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA02139
| | - Samuel Melton
- Physics of Living Systems, Department of Physics, Massachusetts Institute of Technology, Cambridge, MA02139
| | - Eric S. Huseby
- Basic Pathology, Department of Pathology, University of Massachusetts Medical School, Worcester, MA01655
| | - Mehran Kardar
- Physics of Living Systems, Department of Physics, Massachusetts Institute of Technology, Cambridge, MA02139
| | - Arup K. Chakraborty
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA02139
- Physics of Living Systems, Department of Physics, Massachusetts Institute of Technology, Cambridge, MA02139
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA02139
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA02139
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Chen CH, Weng TH, Huang HH, Huang LY, Huang KY, Chen PR, Yeh KY, Huang CT, Chien YT, Chuang PY, Lin YL, Tsai NM, Liu SJ, Su YC, Weng SL, Liao KW. A flexible liposomal polymer complex as a platform of specific and regulable immune regulation for individual cancer immunotherapy. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2023; 42:29. [PMID: 36691089 PMCID: PMC9869520 DOI: 10.1186/s13046-023-02601-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/16/2023] [Indexed: 01/24/2023]
Abstract
BACKGROUND The applicability and therapeutic efficacy of specific personalized immunotherapy for cancer patients is limited by the genetic diversity of the host or the tumor. Side-effects such as immune-related adverse events (IRAEs) derived from the administration of immunotherapy have also been observed. Therefore, regulatory immunotherapy is required for cancer patients and should be developed. METHODS The cationic lipo-PEG-PEI complex (LPPC) can stably and irreplaceably adsorb various proteins on its surface without covalent linkage, and the bound proteins maintain their original functions. In this study, LPPC was developed as an immunoregulatory platform for personalized immunotherapy for tumors to address the barriers related to the heterogenetic characteristics of MHC molecules or tumor associated antigens (TAAs) in the patient population. Here, the immune-suppressive and highly metastatic melanoma, B16F10 cells were used to examine the effects of this platform. Adsorption of anti-CD3 antibodies, HLA-A2/peptide, or dendritic cells' membrane proteins (MP) could flexibly provide pan-T-cell responses, specific Th1 responses, or specific Th1 and Th2 responses, depending on the host needs. Furthermore, with regulatory antibodies, the immuno-LPPC complex properly mediated immune responses by adsorbing positive or negative antibodies, such as anti-CD28 or anti-CTLA4 antibodies. RESULTS The results clearly showed that treatment with LPPC/MP/CD28 complexes activated specific Th1 and Th2 responses, including cytokine release, CTL and prevented T-cell apoptosis. Moreover, LPPC/MP/CD28 complexes could eliminate metastatic B16F10 melanoma cells in the lung more efficiently than LPPC/MP. Interestingly, the melanoma resistance of mice treated with LPPC/MP/CD28 complexes would be reversed to susceptible after administration with LPPC/MP/CTLA4 complexes. NGS data revealed that LPPC/MP/CD28 complexes could enhance the gene expression of cytokine and chemokine pathways to strengthen immune activation than LPPC/MP, and that LPPC/MP/CTLA4 could abolish the LPPC/MP complex-mediated gene expression back to un-treatment. CONCLUSIONS Overall, we proved a convenient and flexible immunotherapy platform for developing personalized cancer therapy.
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Affiliation(s)
- Chia-Hung Chen
- grid.413593.90000 0004 0573 007XDepartment of Medical Research, Hsinchu MacKay Memorial Hospital, Hsinchu City, 30071 Taiwan
| | - Tzu-Han Weng
- grid.413593.90000 0004 0573 007XDepartment of Dermatology, MacKay Memorial Hospital, Taipei City, 10449 Taiwan
| | - Hsiao-Hsuan Huang
- grid.260539.b0000 0001 2059 7017Industrial Development Graduate Program of College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan
| | - Ling-Ya Huang
- grid.260539.b0000 0001 2059 7017Institute of Bioinformatics and Systems Biology, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan
| | - Kai-Yao Huang
- grid.413593.90000 0004 0573 007XDepartment of Medical Research, Hsinchu MacKay Memorial Hospital, Hsinchu City, 30071 Taiwan ,grid.452449.a0000 0004 1762 5613Department of Medicine, MacKay Medical College, 25245 New Taipei City, Taiwan
| | - Pin-Rong Chen
- grid.260539.b0000 0001 2059 7017Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan
| | - Kuang-Yu Yeh
- grid.260539.b0000 0001 2059 7017Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan
| | - Chi-Ting Huang
- grid.260539.b0000 0001 2059 7017Department of Biological Science and Technology, National Yang Ming Chiao Tung University, 30068 Hsinchu City, Taiwan
| | - Yu-Tzu Chien
- grid.260539.b0000 0001 2059 7017Department of Biological Science and Technology, National Yang Ming Chiao Tung University, 30068 Hsinchu City, Taiwan
| | - Po-Ya Chuang
- grid.260539.b0000 0001 2059 7017Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan
| | - Yu-Ling Lin
- grid.28665.3f0000 0001 2287 1366Agricultural Biotechnology Research Center, Academia Sinica, Taipei, 11529 Taiwan
| | - Nu-Man Tsai
- grid.411641.70000 0004 0532 2041Department of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung City, 40201 Taiwan ,grid.411645.30000 0004 0638 9256Department of Pathology and Clinical Laboratory, Chung Shan Medical University Hospital, Taichung City, 40201 Taiwan
| | - Shih-Jen Liu
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, 350401 Miaoli, Taiwan
| | - Yu-Cheng Su
- grid.260539.b0000 0001 2059 7017Department of Biological Science and Technology, National Yang Ming Chiao Tung University, 30068 Hsinchu City, Taiwan
| | - Shun-Long Weng
- grid.452449.a0000 0004 1762 5613Department of Medicine, MacKay Medical College, 25245 New Taipei City, Taiwan ,grid.413593.90000 0004 0573 007XDepartment of Obstetrics and Gynecology, Hsinchu MacKay Memorial Hospital, Hsinchu City, 30071 Taiwan ,grid.507991.30000 0004 0639 3191MacKay Junior College of Medicine, Nursing and Management, Taipei City, 11260 Taiwan
| | - Kuang-Wen Liao
- grid.260539.b0000 0001 2059 7017Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan ,grid.260539.b0000 0001 2059 7017Department of Biological Science and Technology, National Yang Ming Chiao Tung University, 30068 Hsinchu City, Taiwan ,grid.412019.f0000 0000 9476 5696Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, 80708 Taiwan ,grid.412019.f0000 0000 9476 5696College of Dental Medicine, Kaohsiung Medical University School of Dentistry, Kaohsiung City, 80708 Taiwan ,grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan City, 70101 Taiwan ,grid.260539.b0000 0001 2059 7017Center for Intelligent Drug Systems and Smart Bio-Devices, National Yang Ming Chiao Tung University, Hsinchu City, 30068 Taiwan
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Kaljanac M, Abken H. Do Treg Speed Up with CARs? Chimeric Antigen Receptor Treg Engineered to Induce Transplant Tolerance. Transplantation 2023; 107:74-85. [PMID: 36226849 PMCID: PMC9746345 DOI: 10.1097/tp.0000000000004316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 06/13/2022] [Accepted: 06/21/2022] [Indexed: 02/07/2023]
Abstract
Adoptive transfer of regulatory T cells (Treg) can induce transplant tolerance in preclinical models by suppressing alloantigen-directed inflammatory responses; clinical translation was so far hampered by the low abundance of Treg with allo-specificity in the peripheral blood. In this situation, ex vivo engineering of Treg with a T-cell receptor (TCR) or chimeric antigen receptor (CAR) provides a cell population with predefined specificity that can be amplified and administered to the patient. In contrast to TCR-engineered Treg, CAR Treg can be redirected toward a broad panel of targets in an HLA-unrestricted fashion' making these cells attractive to provide antigen-specific tolerance toward the transplanted organ. In preclinical models, CAR Treg accumulate and amplify at the targeted transplant, maintain their differentiated phenotype, and execute immune repression more vigorously than polyclonal Treg. With that, CAR Treg are providing hope in establishing allospecific, localized immune tolerance in the long term' and the first clinical trials administering CAR Treg for the treatment of transplant rejection are initiated. Here, we review the current platforms for developing and manufacturing alloantigen-specific CAR Treg and discuss the therapeutic potential and current hurdles in translating CAR Treg into clinical exploration.
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Affiliation(s)
- Marcell Kaljanac
- Division Genetic Immunotherapy, and Chair Genetic Immunotherapy, Leibniz Institute for Immunotherapy, University Regensburg, Regensburg, Germany
| | - Hinrich Abken
- Division Genetic Immunotherapy, and Chair Genetic Immunotherapy, Leibniz Institute for Immunotherapy, University Regensburg, Regensburg, Germany
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5
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Kim TB, Ionescu L, Avdimiretz N, Murdoch F, Larsen IM, Motyka B, West LJ, Urschel S. Alterations in the immune phenotype of thymectomized children and the development of atopic disorders after heart transplantation. Pediatr Transplant 2022; 26:e14252. [PMID: 35187796 DOI: 10.1111/petr.14252] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 01/04/2022] [Accepted: 02/03/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Atopic disorders are more common in children after heart transplant (HTx). We hypothesized that HTx at an early age and thymus excision (TE) affect development of T and B cells, especially regulatory T cells (Tregs), which help maintain tolerance. METHODS In this single-center study including 24 patients transplanted between 2013 and 2018, we investigated lymphocyte patterns in relation to these factors using flow cytometry. Clinical data were collected from standardized questionnaires and medical charts. Patients were stratified into TE and non-TE groups as well as patients with and without post-transplant atopy development/worsening. RESULTS 64% of TE patients experienced new or worsening asthma/eczema post-transplant compared to 20% of non-TE patients. TE patients had higher total Treg proportions (CD4+CD25+CD127lo) than non-TE patients (p = .043), but borderline significantly lower naïve Tregs (CD45RA+CD27-) (p = .057). Memory CD4+ T cells were higher in TE patients in trend (p = .084). Total Tregs did not differ between atopic/nonatopic groups, although naïve Tregs were significantly lower in atopic patients (p = .028). Memory CD4+ T cells were higher in atopic patients in trend (p = .082). IgM+IgD+ B cells were higher in nonatopic patients in trend (p = .064). CONCLUSIONS New/worsening atopy is more common in thymectomized HTx children and is associated with alterations in T-cell profiles. Avoiding TE may prevent these alterations and reduce incidence of atopy post-HTx.
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Affiliation(s)
- Tiffany B Kim
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Lavinia Ionescu
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Nicholas Avdimiretz
- Department of Pediatric Respirology, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Faye Murdoch
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.,Stollery Children's Hospital, Edmonton, Alberta, Canada
| | - Ingrid M Larsen
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Bruce Motyka
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Lori J West
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.,Stollery Children's Hospital, Edmonton, Alberta, Canada
| | - Simon Urschel
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.,Stollery Children's Hospital, Edmonton, Alberta, Canada
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Song J, Yang J, Jing S, Yan C, Huan X, Chen S, Zhong H, Lu J, Xi J, Luo L, Chen X, Wang Z, Zhao C, Chu M, Luo S. Berberine attenuates experimental autoimmune myasthenia gravis via rebalancing the T cell subsets. J Neuroimmunol 2022; 362:577787. [PMID: 34923373 DOI: 10.1016/j.jneuroim.2021.577787] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 01/18/2023]
Abstract
Myasthenia Gravis (MG) is a T cell-driven, autoantibody-mediated disease. Here we show that oral Berberine (BBR) ameliorated clinical symptoms of experimental autoimmune myasthenia gravis(EAMG) rat model via decreasing the frequencies of Th1, Th17, Th1/17 cell subsets. JAK-STAT pathway was highlighted by transcriptomic analysis with EAMG mononuclear cells (MNCs). Surface plasmon resonance identified ligand binding interaction between BBR and JAK2, and electrostatic interaction was proposed by molecular dynamic simulation. Reduced phosphorylated JAK1/2/3 and STAT1/3 in MNCs from BBR-fed EAMG rats were demonstrated. These results suggest that BBR might improve EAMG by rebalancing T cell subsets through targeting JAK-STAT pathway.
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Affiliation(s)
- Jie Song
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Jie Yang
- Department of Neurology, Wuhan No.1 Hospital, Wuhan, Hubei 430020, China
| | - Sisi Jing
- Department of Neurology, Jing'an District Center Hospital of Shanghai, Shanghai 200040, China
| | - Chong Yan
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Xiao Huan
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Sheng Chen
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Huahua Zhong
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Jun Lu
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Jianying Xi
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Lijun Luo
- Department of Neurology, Wuhan No.1 Hospital, Wuhan, Hubei 430020, China
| | - Xi Chen
- Department of Immunology, School of Basic Medical Sciences, Peking University. NHC Key Laboratory of Medical Immunology (Peking University), Beijing 100191, China
| | - Ziyuan Wang
- Department of Immunology, School of Basic Medical Sciences, Peking University. NHC Key Laboratory of Medical Immunology (Peking University), Beijing 100191, China
| | - Chongbo Zhao
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China
| | - Ming Chu
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou 350001, China; Department of Immunology, School of Basic Medical Sciences, Peking University. NHC Key Laboratory of Medical Immunology (Peking University), Beijing 100191, China.
| | - Sushan Luo
- Department of Neurology, Huashan hospital Fudan University, Shanghai 200040, China; National Center for Neurological Disorders, Shanghai 200040, China.
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Hu M, Rogers NM, Li J, Zhang GY, Wang YM, Shaw K, O'Connell PJ, Alexander SI. Antigen Specific Regulatory T Cells in Kidney Transplantation and Other Tolerance Settings. Front Immunol 2021; 12:717594. [PMID: 34512640 PMCID: PMC8428972 DOI: 10.3389/fimmu.2021.717594] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/05/2021] [Indexed: 12/25/2022] Open
Abstract
Kidney transplantation is the most common solid organ transplant and the best current therapy for end-stage kidney failure. However, with standard immunosuppression, most transplants develop chronic dysfunction or fail, much of which is due to chronic immune injury. Tregs are a subset of T cells involved in limiting immune activation and preventing autoimmune disease. These cells offer the potential to provide tolerance or to allow reduction in immunosuppression in kidney transplants. The importance of Tregs in kidney transplantation has been shown in a number of seminal mouse and animal studies, including those with T cell receptors (TCRs) transgenic Tregs (TCR-Tregs) or Chimeric Antigen Receptor (CAR) Tregs (CAR-Tregs) showing that specificity increases the potency of Treg function. Here we outline the animal and human studies and clinical trials directed at using Tregs in kidney transplantation and other tolerance settings and the various modifications to enhance allo-specific Treg function in vivo and in vitro.
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Affiliation(s)
- Min Hu
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Sydney, NSW, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Natasha M Rogers
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Sydney, NSW, Australia
| | - Jennifer Li
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Sydney, NSW, Australia
| | - Geoff Y Zhang
- Centre for Kidney Research, Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Yuan Min Wang
- Centre for Kidney Research, Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Karli Shaw
- Centre for Kidney Research, Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Philip J O'Connell
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, Sydney, NSW, Australia
| | - Stephen I Alexander
- Centre for Kidney Research, Children's Hospital at Westmead, Sydney, NSW, Australia
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Role of Microenvironment in Non-Hodgkin Lymphoma: Understanding the Composition and Biology. ACTA ACUST UNITED AC 2021; 26:206-216. [PMID: 32496454 DOI: 10.1097/ppo.0000000000000446] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Lymphoma microenvironment is a dynamic and well-orchestrated network of various immune and stromal cells that is indispensable for tumor cell survival, growth, migration, immune escape, and drug resistance. Recent progress has enhanced our knowledge of the pivotal role of microenvironment in lymphomagenesis. Understanding the characteristics, functions, and contributions of various components of the tumor niche, along with its bidirectional interactions with tumor cells, is paramount. It offers the potential to identify new therapeutic targets with the ability to restore antitumor immune surveillance and eliminate the protumoral factors contributed by the tumor niche.
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Dixit N, Fanton C, Langowski JL, Kirksey Y, Kirk P, Chang T, Cetz J, Dixit V, Kim G, Kuo P, Maiti M, Tang Y, VanderVeen LA, Zhang P, Lee M, Ritz J, Kamihara Y, Ji C, Rubas W, Sweeney TD, Doberstein SK, Zalevsky J. NKTR-358: A novel regulatory T-cell stimulator that selectively stimulates expansion and suppressive function of regulatory T cells for the treatment of autoimmune and inflammatory diseases. J Transl Autoimmun 2021; 4:100103. [PMID: 34041473 PMCID: PMC8141531 DOI: 10.1016/j.jtauto.2021.100103] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 04/25/2021] [Indexed: 11/04/2022] Open
Abstract
Impaired interleukin-2 (IL-2) production and regulatory T-cell dysfunction have been implicated as immunological mechanisms central to the pathogenesis of multiple autoimmune and inflammatory diseases. NKTR-358, a novel regulatory T-cell stimulator, is an investigational therapeutic that selectively restores regulatory T-cell homeostasis in these diseases. We investigated NKTR-358's selectivity for regulatory T-cells, receptor-binding properties, ex vivo and in vivo pharmacodynamics, ability to suppress conventional T-cell proliferation in mice and non-human primates, and functional activity in a murine model of systemic lupus erythematosus. In vitro, NKTR-358 demonstrated decreased affinity for IL-2Rα, IL-2Rβ, and IL-2Rαβ compared with recombinant human IL-2 (rhIL-2). A single dose of NKTR-358 in cynomolgus monkeys produced a greater than 15-fold increase in regulatory T-cells, and the increase lasted until day 14, while daily rhIL-2 administration for 5 days only elicited a 3-fold increase, which lasted until day 7. Repeated dosing of NKTR-358 over 6 months in cynomolgus monkeys elicited cyclical, robust increases in regulatory T-cells with no loss in drug activity over the course of treatment. Regulatory T-cells isolated from NKTR-358-treated mice displayed a sustained, higher suppression of conventional T-cell proliferation than regulatory T-cells isolated from vehicle-treated mice. NKTR-358 treatment in a mouse model (MRL/MpJ-Faslpr) of systemic lupus erythematosus for 12 weeks maintained elevated regulatory T-cells for the treatment duration and ameliorated disease progression. Together, these results suggest that NKTR-358 has the ability to elicit sustained and preferential proliferation and activation of regulatory T-cells without corresponding effects on conventional T-cells, with improved pharmacokinetics compared with rhIL-2. NKTR-358 is a pegylated IL-2 designed to induce Treg activation and proliferation. This preclinical study compared NKTR-358 vs recombinant IL-2 for effects on Tregs. NKTR-358 induced a greater increase in Treg:CD8+ T cell ratio compared with rhIL-2.
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Affiliation(s)
- Neha Dixit
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Christie Fanton
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - John L Langowski
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Yolanda Kirksey
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Peter Kirk
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Thomas Chang
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Janet Cetz
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Vidula Dixit
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Grace Kim
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Peiwen Kuo
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Mekhala Maiti
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Yinyan Tang
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Laurie A VanderVeen
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Ping Zhang
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Myong Lee
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Jerome Ritz
- Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Avenue, Boston, MA, 02215, USA
| | - Yusuke Kamihara
- Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Avenue, Boston, MA, 02215, USA
| | - Chunmei Ji
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Werner Rubas
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Theresa D Sweeney
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Stephen K Doberstein
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
| | - Jonathan Zalevsky
- Nektar Therapeutics, 455 Mission Bay Boulevard South, San Francisco, CA, 94158, USA
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10
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Obermanns J, Krawczyk E, Juckel G, Emons B. Analysis of cytokine levels, T regulatory cells and serotonin content in patients with depression. Eur J Neurosci 2021; 53:3476-3489. [PMID: 33768559 DOI: 10.1111/ejn.15205] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 02/22/2021] [Accepted: 03/18/2021] [Indexed: 12/27/2022]
Abstract
Alterations in peripheral serotonin concentrations and an imbalanced immune system have been reported in patients with depression. Cytokines and T regulatory (Treg) cells may play an important role in the development of depression. This study investigates the levels of cytokines and Treg cells, as well as the concentration of serotonin (5-HT) in the blood of 89 patients suffering from depression and 89 healthy participants between two acquisitions. We investigated the state of health before (T1) and after (T2) psychological and pharmacological therapy. Both cytokine (IL-6, IL-10, TNF-α, and INF-γ) and 5-HT levels in the blood were measured by enzyme-linked immunosorbent assays. The levels of CD4+ CD25+ Treg cells were determined by flow cytometric analysis. Patients with depression showed significantly higher serum levels of IL-6 and INF-γ, no altered serum levels of IL-10 and TNF-α, and decreased platelet and serum 5-HT levels compared with healthy participants at the first acquisition. In addition, the symptoms of depression and anxiety, the TNF-α level, and the amount of CD4+ CD25+ cells in the blood were decreased from the first to the second acquisition. Further, a correlation between IL-6 and platelet 5-HT has been observed in patients. An imbalance of the immune system in patients with depression and an association of the serotonergic system and cytokines were observed. These results indicate that the development of depression might be related to several interacting proteins, including cytokines and 5-HT, and the treatment affects imbalances of these factors.
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Affiliation(s)
- Jasmin Obermanns
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Bochum, Germany
| | - Elena Krawczyk
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Bochum, Germany
| | - Georg Juckel
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Bochum, Germany
| | - Barbara Emons
- Department of Psychiatry, Psychotherapy and Preventive Medicine, LWL University Hospital, Ruhr University Bochum, Bochum, Germany
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Xin L, He F, Li S, Zhou ZX, Ma XL. Intestinal microbiota and juvenile idiopathic arthritis: current understanding and future prospective. World J Pediatr 2021; 17:40-51. [PMID: 32533534 DOI: 10.1007/s12519-020-00371-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 05/24/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) characterized by arthritis of unknown origin is the most common childhood chronic rheumatic disease, caused by both host genetic factors and environmental triggers. Recent evidence has mounted to focus on the intestinal microbiota, a potentially recognized set of environmental triggers affecting JIA development. Here we offer an overview of recently published animal and human studies that support the impact of intestinal microbiota in JIA. DATA SOURCES We searched PubMed for animal and human studies publications with the search terms "intestinal microbiota or gut microbiota" and "juvenile idiopathic arthritis or juvenile chronic arthritis or juvenile rheumatoid arthritis or childhood rheumatoid arthritis or pediatric rheumatoid arthritis". RESULTS Several comparative studies have demonstrated that intestinal microbial alterations might be triggers in disease pathogenesis. Alternatively, a slice of studies has suggested environmental triggers in early life might disrupt intestinal microbial colonization, including cesarean section, formula feeding, and antibiotic exposure. Aberrant intestinal microbiota may influence the development of JIA by mediating host immune programming and by altering mucosal permeability. CONCLUSIONS Specific microbial factors may contribute to the pathogenesis of JIA. Intensive studies, however, are warranted to investigate the causality between intestinal dysbiosis and JIA and the mechanisms behind these epidemiologic relationships. Studies are also needed to design the best interventional administrations to restore balanced intestinal microbial communities.
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Affiliation(s)
- Le Xin
- Gynecological Minimal Invasive Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Feng He
- Department of Biochemistry and Immunology, Capital Institute of Pediatrics, Yabao Road No. 2, Chaoyang District, Beijing, China
| | - Sen Li
- Department of Biochemistry and Immunology, Capital Institute of Pediatrics, Yabao Road No. 2, Chaoyang District, Beijing, China
| | - Zhi-Xuan Zhou
- Department of Rheumatology, Capital Institute of Pediatrics, Beijing, China
| | - Xiao-Lin Ma
- Department of Rheumatology, Capital Institute of Pediatrics, Beijing, China.
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12
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Dafni U, Martín-Lluesma S, Balint K, Tsourti Z, Vervita K, Chenal J, Coukos G, Zaman K, Sarivalasis A, Kandalaft LE. Efficacy of cancer vaccines in selected gynaecological breast and ovarian cancers: A 20-year systematic review and meta-analysis. Eur J Cancer 2020; 142:63-82. [PMID: 33221598 DOI: 10.1016/j.ejca.2020.10.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/29/2020] [Accepted: 10/08/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND Therapeutic cancer vaccination is an area of interest, even though promising efficacy has not been demonstrated so far. DESIGN A systematic review and meta-analysis was conducted to evaluate vaccines' efficacy on breast cancer (BC) and ovarian cancer (OC) patients. Our search was based on the PubMed electronic database, from 1st January 2000 to 4th February 2020. OBJECTIVE response rate (ORR) was the primary end-point of interest, while progression-free survival (PFS), overall survival (OS) and toxicity were secondary end-points. Analysis was performed separately for BC and OC patients. Pooled ORRs were estimated by fixed or random effects models, depending on the detected degree of heterogeneity, for all studies with more than five patients. Subgroup analyses by vaccine type and treatment schema as well as sensitivity analyses, were implemented. RESULTS Among 315 articles initially identified, 67 were eligible for our meta-analysis (BC: 46, 1698 patients; OC: 32, 426 patients; where both BC/OC in 11). Dendritic-cell and peptide vaccines were found in more studies, 6/10 BC and 10/13 OC studies, respectively. In our primary BC analysis (21 studies; 428 patients), the pooled ORR estimate was 9% (95%CI[5%,13%]). The primary OC analysis (12 studies; 182 patients), yielded pooled ORR estimate of 4% (95%CI[1%,7%]). Similar were the results derived in sensitivity analyses. No statistically significant differences were detected by vaccine type or treatment schema. Median PFS was 2.6 months (95% confidence interval (CI)[1.9,2.9]) and 13.0 months (95%CI[8.5,16.3]) for BC and OC respectively, while corresponding median OS was 24.8 months (95%CI[15.0,46.0]) and 39.0 months (95%CI[31.0,49.0]). In almost all cases, the observed toxicity was only moderate. CONCLUSION Despite their modest results in terms of ORR, therapeutic vaccines in the last 20 years display relatively long survival rates and low toxicity. Since a plethora of different approaches have been tested, a better understanding of the underlying mechanisms is needed in order to further improve vaccine efficacy.
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Affiliation(s)
- U Dafni
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland; Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - S Martín-Lluesma
- Departamento de Ciencias Médicas Básicas, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla Del Monte, Madrid, 28668, Spain
| | - K Balint
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland
| | - Z Tsourti
- Scientific Research Consulting Hellas, Statistics Center, Athens, Greece
| | - K Vervita
- Scientific Research Consulting Hellas, Statistics Center, Athens, Greece
| | - J Chenal
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland
| | - G Coukos
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland
| | - K Zaman
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland
| | - A Sarivalasis
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland
| | - L E Kandalaft
- Department of Oncology, CHUV, University of Lausanne, Lausanne, Switzerland; Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland.
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13
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Environmental pollutants and the immune response. Nat Immunol 2020; 21:1486-1495. [PMID: 33046888 DOI: 10.1038/s41590-020-0802-6] [Citation(s) in RCA: 126] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 09/01/2020] [Indexed: 12/13/2022]
Abstract
Environmental pollution is one of the most serious challenges to health in the modern world. Pollutants alter immune responses and can provoke immunotoxicity. In this Review, we summarize the major environmental pollutants that are attracting wide-ranging concern and the molecular basis underlying their effects on the immune system. Xenobiotic receptors, including the aryl hydrocarbon receptor (AHR), sense and respond to a subset of environmental pollutants by activating the expression of detoxification enzymes to protect the body. However, chronic activation of the AHR leads to immunotoxicity. KEAP1-NRF2 is another important system that protects the body against environmental pollutants. KEAP1 is a sensor protein that detects environmental pollutants, leading to activation of the transcription factor NRF2. NRF2 protects the body from immunotoxicity by inducing the expression of genes involved in detoxification, antioxidant and anti-inflammatory activities. Intervening in these sensor-response systems could protect the body from the devastating immunotoxicity that can be induced by environmental pollutants.
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14
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Rana J, Biswas M. Regulatory T cell therapy: Current and future design perspectives. Cell Immunol 2020; 356:104193. [PMID: 32823038 DOI: 10.1016/j.cellimm.2020.104193] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/30/2020] [Accepted: 08/06/2020] [Indexed: 02/07/2023]
Abstract
Regulatory T cells (Tregs) maintain immune equilibrium by suppressing immune responses through various multistep contact dependent and independent mechanisms. Cellular therapy using polyclonal Tregs in transplantation and autoimmune diseases has shown promise in preclinical models and clinical trials. Although novel approaches have been developed to improve specificity and efficacy of antigen specific Treg based therapies, widespread application is currently restricted. To date, design-based approaches to improve the potency and persistence of engineered chimeric antigen receptor (CAR) Tregs are limited. Here, we describe currently available Treg based therapies, their advantages and limitations for implementation in clinical studies. We also examine various strategies for improving CAR T cell design that can potentially be applied to CAR Tregs, such as identifying co-stimulatory signalling domains that enhance suppressive ability, determining optimal scFv affinity/avidity, and co-expression of accessory molecules. Finally, we discuss the importance of tailoring CAR Treg design to suit the individual disease.
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Affiliation(s)
- Jyoti Rana
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Moanaro Biswas
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA.
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15
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Gorabi AM, Hajighasemi S, Kiaie N, Gheibi Hayat SM, Jamialahmadi T, Johnston TP, Sahebkar A. The pivotal role of CD69 in autoimmunity. J Autoimmun 2020; 111:102453. [PMID: 32291138 DOI: 10.1016/j.jaut.2020.102453] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/31/2020] [Accepted: 03/31/2020] [Indexed: 02/06/2023]
Abstract
Autoimmune disorders are outcomes of impaired activity of the immune system regarding the maintenance of tolerance, which results in tissue damage secondary to an excess in the inflammatory response. Under normal conditions, the cells in the adaptive immune system are highly controlled to remain unresponsive against self-antigens (self-Ags) through various mechanisms and during different stages of maturation. CD69 (cluster of differentiation 69), a C-type lectin disulfide-linked homodimer, is expressed on different leukocytes, including newly-activated lymphocytes, certain subtypes of memory T-cells, infiltrating lymphocytes isolated from patients with chronic inflammatory disorders, and regulatory T-cells (Tregs). Cumulative evidence from in vitro and in vivo studies has revealed an immunoregulatory role for CD69. This marker has been reported to play a controversial role in chronic human inflammatory disorders. Many investigations have linked the absence of CD69 with a predisposition to inflammatory and/or autoimmune conditions, which indicates an immunoregulatory function for CD69 by mechanisms such as controlling the balance between differentiation of Th/Treg cells and enhancing the suppressive activity of Tregs. However, some reports from human studies have indicated that CD69 may exert a stimulatory effect on the inflammatory response. In this review, we first present a brief summary of the concept of 'immune tolerance' and, subsequently, review previous studies to uncover the details that underlie the immunoregulatory effects of CD69.
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Affiliation(s)
- Armita Mahdavi Gorabi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeideh Hajighasemi
- Department of Medical Biotechnology, Faculty of Paramedicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Nasim Kiaie
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Tannaz Jamialahmadi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Thomas P Johnston
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Kansas City, MO, USA
| | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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16
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Polymorphisms of genes encoding cytokines predict the risk of high-grade bladder cancer and outcomes of BCG immunotherapy. Cent Eur J Immunol 2020; 45:37-47. [PMID: 32425678 PMCID: PMC7226548 DOI: 10.5114/ceji.2020.94674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 04/23/2019] [Indexed: 12/11/2022] Open
Abstract
Introduction The present study investigated the association of cytokines genes polymorphisms (IL-2, IL-8 and IL-18) and polymorphisms in genes encoding molecules related to the differentiation of Th17 subpopulation (IL-17 and IL-23R) with the risk of bladder cancer (BC) and response to BCG immunotherapy. Material and methods Altogether, 175 BC patients treated with BCG due to high-grade non-muscle invasive tumors and 207 healthy individuals were genotyped for the following polymorphisms: IL-17A-197G>A (rs2275913); IL-17F+7488T>C (rs763780); IL-23Rc.309C>A (rs10889677);IL-23Rc.1142G>A (rs11209026); IL-2-330T>G (rs2069762), IL-8-251A>T (rs4073), and IL-18-137G>C (rs187238) using the TaqMan SNP genotyping assays. Results The IL-23Rc.-309C>A[A] allele was associated with the risk of BC (OR: 1.42, p = 0.03). Moreover, heterozygocities for IL-17A-197G>A[GA] and IL-18-137G>C[GC] increased the risk of BC, as compared to both homozygotes (OR: 1.67, p = 0.01 and OR: 1.84, p = 0.008, respectively). The IL-18-137G>C[GC] heterozygous patients had the highest risk of tumor recurrence and progression, and the worst recurrence-free and progression-free survival. Homozygous IL-17A-197G>A[GG] patients presented the best recurrence-free survival, while IL-17A-197G>A[AA] patients had 1.8-fold higher risk of recurrence. Conclusions The present study highlighted the importance of IL-17, IL-18, and IL-23R gene polymorphisms for BC susceptibility and BCG immunotherapy outcomes. It may help to identify appropriate candidates for early radical treatment.
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17
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Lerkvaleekul B, Apiwattanakul N, Klinmalai C, Hongeng S, Vilaiyuk S. Age-related changes in lymphocyte subpopulations in healthy Thai children. J Clin Lab Anal 2019; 34:e23156. [PMID: 31855295 PMCID: PMC7246386 DOI: 10.1002/jcla.23156] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Ethnicity and environmental factors can influence the percentages of lymphocyte subpopulations. This study aimed to assess the percentages of lymphocyte subpopulations according to age in Thai children. METHODS This was a cross-sectional study. The percentages of lymphocyte subpopulations were measured in umbilical cord blood and peripheral blood of healthy Thai children aged 1 month-15 years. The participants were stratified into five age groups: (a) cord blood; (b) age < 2 years; (c) age 2-5 years; (d) age 5-10 years; and (e) age 10-15 years. RESULTS Of 182 total samples, 32, 39, 41, 28, and 42 were from cord blood, children aged <2 years, children aged 2-5 years, children aged 5-10 years, and children aged 10-15 years, respectively. The percentages of most lymphocyte subpopulations including CD8 + T cells, CD19 + cells, γδ T cells, double-negative T cells, NK cells, and NK T cells increased significantly with age. Only the CD4+ T-cell percentage decreased in older children. Moderate correlations were observed between age and the percentages of CD4+ T cells, γδ T cells, NK cells, NK T cells, and double-negative T cells. Weak correlations were observed between age and the percentages of CD8+ T cells and CD19+ cells. CONCLUSION Our study demonstrated age-related changes in the percentages of lymphocyte subpopulations in Thai children, which differed from those described in other countries. Therefore, the establishment of age-specific reference values for lymphocyte subsets in each country is recommended.
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Affiliation(s)
- Butsabong Lerkvaleekul
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Nopporn Apiwattanakul
- Division of Infectious Disease, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chompunuch Klinmalai
- Division of Infectious Disease, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Suradej Hongeng
- Division of Hematology/Oncology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Soamarat Vilaiyuk
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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The Pungent and Hot Chinese Herbs Cause Heat Syndrome in Rats by Affecting the Regulatory T Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:9824906. [PMID: 31360212 PMCID: PMC6652065 DOI: 10.1155/2019/9824906] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 05/09/2019] [Indexed: 12/25/2022]
Abstract
Heat syndrome is a folk saying in China, which is used to describe people with symptoms such as aphtha, oral ulcer, glossitis, swelling and aching of gingiva, and dry eye. Aconitum carmichaelii Debx. (A), Zingiber officinale Rosc. (Z), and Cinnamomum cassia Presl (C) are the representatives of pungent and hot Chinese herbs which may cause heat syndrome. In order to explore the mechanism of pungent herbs-induced heat syndrome, rats were treated with AZC extracts at different concentrations and at different time periods. A series of cytokines were determined using the cytokine antibody array; some immunosuppressive cytokines, including TGF-β, IL-10, and IL-35, significantly increased in AZC group as compared with control group. Higher mRNA expressions of Foxp3, TGF-β, IL-10, and IL-35 were found in the spleen and thymus of rats after treatment for 18 days based on RT-PCR. Flow cytometry result revealed that the percentage of CD4+CD25+ Treg cells and Foxp3+CD4+CD25+ Treg cells in spleen lymphocytes showed an increasing trend from the 3rd day to the 18th day after treatment with middle dose of AZC extracts. It is speculated that extracts of AZC herbs may affect the development of heat syndrome by influencing Treg cells and immunosuppressive cytokines.
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19
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Gilbert R, Peto T, Lengyel I, Emri E. Zinc Nutrition and Inflammation in the Aging Retina. Mol Nutr Food Res 2019; 63:e1801049. [PMID: 31148351 DOI: 10.1002/mnfr.201801049] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 04/18/2019] [Indexed: 12/16/2022]
Abstract
Zinc is an essential nutrient for human health. It plays key roles in maintaining protein structure and stability, serves as catalytic factor for many enzymes, and regulates diverse fundamental cellular processes. Zinc is important in affecting signal transduction and, in particular, in the development and integrity of the immune system, where it affects both innate and adaptive immune responses. The eye, especially the retina-choroid complex, has an unusually high concentration of zinc compared to other tissues. The highest amount of zinc is concentrated in the retinal pigment epithelium (RPE) (RPE-choroid, 292 ± 98.5 µg g-1 dry tissue), followed by the retina (123 ± 62.2 µg g-1 dry tissue). The interplay between zinc and inflammation has been explored in other parts of the body but, so far, has not been extensively researched in the eye. Several lines of evidence suggest that ocular zinc concentration decreases with age, especially in the context of age-related disease. Thus, a hypothesis that retinal function could be modulated by zinc nutrition is proposed, and subsequently trialled clinically. In this review, the distribution and the potential role of zinc in the retina-choroid complex is outlined, especially in relation to inflammation and immunity, and the clinical studies to date are summarized.
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Affiliation(s)
- Rosie Gilbert
- Moorfields Eye Hospital NHS Foundation Trust, City Road, London, EC1V 2PD, UK.,UCL Institute of Ophthalmology, Bath Street, London, EC1V 2EL, UK
| | - Tunde Peto
- School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Ireland
| | - Imre Lengyel
- UCL Institute of Ophthalmology, Bath Street, London, EC1V 2EL, UK.,School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Ireland
| | - Eszter Emri
- School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, Ireland
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Abstract
Inhibitory checkpoint blockade has significantly improved patient response rate across numerous tumor types. However, most patients remain unresponsive to immunotherapy, suggesting that unappreciated mechanisms of resistance exist. The tumor microenvironment (TME) is unique and composed of many suppressive cell populations that inhibit antitumor immune responses, including regulatory T cells (Tregs). The TME is nutrient poor, acidic, and hypoxic, creating a challenging microenvironment for immune cells to function and survive. Tregs suppress a wide variety of cell populations through multiple mechanisms and are tasked with limiting tissue damage. Tregs are now considered to be a barrier to effective antitumor immunity. Systemic Treg depletion is not favored because of their critical role in maintaining immune homeostasis and preventing autoimmunity. Reducing Treg function specifically within the TME may provide a more effective, targeted approach to limit the immunosuppressive environment within the tumor without inducing systemic adverse consequences. Targeting molecules that cause Treg instability, characterized by loss of critical Treg transcription factors such as Foxp3, could result in conversion into cells that cause immune pathology, tissue damage, and subsequent autoimmune side effects. Interferon-γ (IFNγ) can cause intratumoral Treg "fragility," which results in loss of suppressive activity and increased IFNγ production without loss of Foxp3 expression and gross Treg "identity." We reviewed the impact Tregs have on the TME and vice versa, and their implications for responsiveness to cancer immunotherapy. We propose that the extent to which intratumoral Tregs develop a "fragile" phenotype following immunotherapy will predict and dictate responsiveness. Cancer Immunol Res; 6(8); 882-7. ©2018 AACR.
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Affiliation(s)
| | - Dario A A Vignali
- Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
- Tumor Microenvironment Center, UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania
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22
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Tang R, Langdon WY, Zhang J. Regulation of immune responses by E3 ubiquitin ligase Cbl-b. Cell Immunol 2018; 340:103878. [PMID: 30442330 DOI: 10.1016/j.cellimm.2018.11.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/04/2018] [Accepted: 11/05/2018] [Indexed: 12/21/2022]
Abstract
Casitas B lymphoma-b (Cbl-b), a RING finger E3 ubiquitin ligase, has been identified as a critical regulator of adaptive immune responses. Cbl-b is essential for establishing the threshold for T cell activation and regulating peripheral T cell tolerance through various mechanisms. Intriguingly, recent studies indicate that Cbl-b also modulates innate immune responses, and plays a key role in host defense to pathogens and anti-tumor immunity. These studies suggest that targeting Cbl-b may represent a potential therapeutic strategy for the management of human immune-related disorders such as autoimmune diseases, infections, tumors, and allergic airway inflammation. In this review, we summarize the latest developments regarding the roles of Cbl-b in innate and adaptive immunity, and immune-mediated diseases.
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Affiliation(s)
- Rong Tang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Wallace Y Langdon
- School of Biological Sciences, University of Western Australia, Perth, Australia
| | - Jian Zhang
- Department of Pathology, The University of Iowa, Iowa City, IA, USA.
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Avdimiretz N, Seitz S, Kim T, Murdoch F, Urschel S. Allergies and autoimmune disorders in children after heart transplantation. Clin Transplant 2018; 32:e13400. [PMID: 30176068 DOI: 10.1111/ctr.13400] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 08/07/2018] [Accepted: 08/29/2018] [Indexed: 12/15/2022]
Abstract
Pediatric heart transplantation requires lifelong immune suppression and may require thymectomy, both of which alter T-cell repertoires. We hypothesized that atopic and autoimmune diseases are more common in pediatric heart transplant patients than the general population, and that transplantation in early childhood increases the risk of development or worsening of atopic or autoimmune disease. A cross-sectional single-center study including 21 heart transplant patients aged ≤18 years was conducted. Data collected included age at transplant, induction, thymectomy, and development and severity of atopic or autoimmune disease. A majority (67%) reported having any atopic disease post-transplant, all of whom reported onset or worsening post-transplantation. Thymectomized patients were significantly more likely to have asthma (P = 0.018) and report asthma worsening post-transplant (P = 0.045). Patients with worsening of asthma post-transplant were transplanted at a significantly younger age (P = 0.040). ABO incompatible and ABO compatible recipients presented similarly. Anemia was common (38%) but not always clearly of autoimmune origin. Atopic diseases are common in children following heart transplantation: Compared to the general population, there is a higher prevalence of eczema (43% vs 11%) and asthma (33% vs 9%). Both thymectomy and younger age at transplant are associated with atopic disorders, possibly due to altered T-cell repertoires.
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Affiliation(s)
- Nicholas Avdimiretz
- Department of Pediatrics, Stollery Children's Hospital, University of Alberta, Edmonton, Alberta, Canada.,Division of Pediatric Respirology, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | | | - Tiffany Kim
- Department of Pediatrics, Stollery Children's Hospital, University of Alberta, Edmonton, Alberta, Canada
| | - Faye Murdoch
- Department of Pediatrics, Stollery Children's Hospital, University of Alberta, Edmonton, Alberta, Canada.,Alberta Transplant Institute, University of Alberta, Edmonton, Canada
| | - Simon Urschel
- Department of Pediatrics, Stollery Children's Hospital, University of Alberta, Edmonton, Alberta, Canada.,Alberta Transplant Institute, University of Alberta, Edmonton, Canada.,Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta, Canada
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24
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Th17 and Treg lymphocytes in obesity and Type 2 diabetic patients. Clin Immunol 2018; 197:77-85. [PMID: 30218707 DOI: 10.1016/j.clim.2018.09.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 08/09/2018] [Accepted: 09/11/2018] [Indexed: 12/18/2022]
Abstract
Assumption that the pathogenesis of obesity-associated type 2 diabetes (T2DM) encompasses inflammation and autoimmune aspects is increasingly recognized. In the state of obesity and T2DM, the imbalance of T helper 17 (Th17) cells and regulatory T (Treg) cells are observed. These alterations reflect a loss of T cell homeostasis, which may contribute to tissue and systemic inflammation and immunity in T2DM. In this review we will discuss the accumulating data supporting the concept that Th17/Treg mediated immune responses are present in obesity-related T2DM pathogenesis, and provide evidences that restoration of Th17/Treg imbalance may be a possible therapeutic avenue for the prevention and treatment of T2DM and its complications.
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25
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Yu L, Yang F, Zhang F, Guo D, Li L, Wang X, Liang T, Wang J, Cai Z, Jin H. CD69 enhances immunosuppressive function of regulatory T-cells and attenuates colitis by prompting IL-10 production. Cell Death Dis 2018; 9:905. [PMID: 30185773 PMCID: PMC6125584 DOI: 10.1038/s41419-018-0927-9] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 07/07/2018] [Accepted: 07/30/2018] [Indexed: 01/09/2023]
Abstract
Foxp3+ regulatory T cells (Tregs) can inhibit immune responses and maintain immune tolerance by secreting immunosuppressive TGF-β1 and IL-10. However, the efficiency of Tregs become the major obstacle to their use for immunotherapy. In this study, we investigated the relevance of the C-type lectin receptor CD69 to the suppressive function. Compared to CD4+Foxp3+CD69− Tregs (CD69− Tregs), CD4+Foxp3+CD69+ Tregs (CD69+ Tregs) displayed stronger ability to maintain immune tolerance. CD69+ Tregs expressed higher levels of suppression-associated markers such as CTLA-4, ICOS, CD38 and GITR, and secreted higher levels of IL-10 but not TGF-β1. CD69+ Tregs from Il10+/+ rather than Il10−/− mice significantly inhibit the proliferation of CD4+ T cells. CD69 over-expression stimulated higher levels of IL-10 and c-Maf expression, which was compromised by silencing of STAT3 or STAT5. In addition, the direct interaction of STAT3 with the c-Maf promoter was detected in cells with CD69 over-expression. Moreover, adoptive transfer of CD69+ Tregs but not CD69−Tregs or CD69+ Tregs deficient in IL-10 dramatically prevented the development of inflammatory bowel disease (IBD) in mice. Taken together, CD69 is important to the suppressive function of Tregs by promoting IL-10 production. CD69+ Tregs have the potential to develop new therapeutic approach for autoimmune diseases like IBD.
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Affiliation(s)
- Lei Yu
- Laboratory of Cancer Biology, The Key Lab of Biotherapy in Zhejiang Sir Run Run Shaw Hospital, Medical School of Zhejiang University, Hangzhou, China.,Institute of Immunology, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fei Yang
- Department of Nutrition and Food Hygiene, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, China.,Chronic Disease Research Institute, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, China
| | - Fanghui Zhang
- Institute of Immunology, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, China
| | - Danfeng Guo
- Institute of Immunology, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, China
| | - Ling Li
- Laboratory of Cancer Biology, The Key Lab of Biotherapy in Zhejiang Sir Run Run Shaw Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Xian Wang
- Department of Medical Oncology, Sir Run Run Shaw Hospital, Medical School of Zhejiang University, Hangzhou, China
| | - Tingbo Liang
- Department of Hepatobiliary and Pancreatic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianli Wang
- Institute of Immunology, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, China
| | - Zhijian Cai
- Institute of Immunology, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China. .,Institute of Hematology, Zhejiang University & Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, China.
| | - Hongchuan Jin
- Laboratory of Cancer Biology, The Key Lab of Biotherapy in Zhejiang Sir Run Run Shaw Hospital, Medical School of Zhejiang University, Hangzhou, China.
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26
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Kumar D, Xu ML. Microenvironment Cell Contribution to Lymphoma Immunity. Front Oncol 2018; 8:288. [PMID: 30101129 PMCID: PMC6073855 DOI: 10.3389/fonc.2018.00288] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 07/09/2018] [Indexed: 12/11/2022] Open
Abstract
Lymphoma microenvironment is a complex system composed of stromal cells, blood vessels, immune cells as well as extracellular matrix, cytokines, exosomes, and chemokines. In this review, we describe the function, localization, and interactions between various cellular components. We also summarize their contribution to lymphoma immunity in the era of immunotherapy. Publications were identified from searching Pubmed. Primary literature was carefully evaluated for replicability before incorporating into the review. We describe the roles of mesenchymal stem/stromal cells (MSCs), lymphoma-associated macrophages (LAMs), dendritic cells, cytotoxic T cells, PD-1 expressing CD4+ tumor infiltrating lymphocytes (TILs), T-cells expressing markers of exhaustion such as TIM-3 and LAG-3, regulatory T cells, and natural killer cells. While it is not in itself a cell, we also include a brief overview of the lymphoma exosome and how it contributes to anti-tumor effect as well as immune dysfunction. Understanding the cellular players that comprise the lymphoma microenvironment is critical to developing novel therapeutics that can help block the signals for immune escape and promote tumor surveillance. It may also be the key to understanding mechanisms of resistance to immune checkpoint blockade and immune-related adverse events due to certain types of immunotherapy.
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Affiliation(s)
- Deepika Kumar
- Departments of Pathology & Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Mina L Xu
- Departments of Pathology & Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
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27
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The microRNA expression signature of CD4+ T cells in the transition of brucellosis into chronicity. PLoS One 2018; 13:e0198659. [PMID: 29897958 PMCID: PMC5999269 DOI: 10.1371/journal.pone.0198659] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 05/23/2018] [Indexed: 12/19/2022] Open
Abstract
Brucellosis is a serious infectious disease that continues to be a significant cause of morbidity worldwide and across all ages. Despite early diagnosis and treatment, 10–30% of patients develop chronic brucellosis. Although there have been recent advances in our knowledge of Brucella virulence factors and hosts’ immune response to the infection, there is a lack of clear data regarding how the infection bypasses the immune system and becomes chronic. The present study investigated immunological factors and their roles in the transition of brucellosis from an acute to a chronic infection in CD4+ T cells. CD4+ T cells sorted from peripheral blood samples of patients with acute or chronic brucellosis and healthy controls using flow cytometry as well as more than 2000 miRNAs were screened using the GeneSpring GX (Agilent) 13.0 miRNA microarray software and were validated using reverse transcription polymerase chain reaction (RT-qPCR). Compared to acute cases, the expression levels of 28 miRNAs were significantly altered in chronic cases. Apart from one miRNA (miR-4649-3p), 27 miRNAs were not expressed in the acute cases (p <0.05, fold change> 2). According to KEGG pathway analysis, these miRNAs are involved in the regulation of target genes that were previously involved in the MAPK signalling pathway, regulation of the actin cytoskeleton, endocytosis, and protein processing in the endoplasmic reticulum. This indicates the potential role of these miRNAs in the development of chronic brucellosis. We suggest that these miRNAs can be used as markers to determine the transition of the disease into chronicity. This is the first study of miRNA expression that analyses human CD4+ T cells to clarify the mechanism of chronicity in brucellosis.
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28
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Gilbert RM, Zhang X, Sampson RD, Ehrenstein MR, Nguyen DX, Chaudhry M, Mein C, Mahmud N, Galatowicz G, Tomkins-Netzer O, Calder VL, Lightman S. Clinical Remission of Sight-Threatening Non-Infectious Uveitis Is Characterized by an Upregulation of Peripheral T-Regulatory Cell Polarized Towards T-bet and TIGIT. Front Immunol 2018; 9:907. [PMID: 29774027 PMCID: PMC5943505 DOI: 10.3389/fimmu.2018.00907] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 04/11/2018] [Indexed: 12/14/2022] Open
Abstract
Background Non-infectious uveitis can cause chronic relapsing and remitting ocular inflammation, which may require high dose systemic immunosuppression to prevent severe sight loss. It has been classically described as an autoimmune disease, mediated by pro-inflammatory Th1 and Th17 T-cell subsets. Studies suggest that natural immunosuppressive CD4+CD25+FoxP3+ T-regulatory cells (Tregs) are involved in resolution of inflammation and may be involved in the maintenance of clinical remission. Objective To investigate whether there is a peripheral blood immunoregulatory phenotype associated with clinical remission of sight-threatening non-infectious uveitis by comparing peripheral blood levels of Treg, Th1, and Th17, and associated DNA methylation and cytokine levels in patients with active uveitic disease, control subjects and patients (with previously active disease) in clinical remission induced by immunosuppressive drugs. Methods Isolated peripheral blood mononuclear cells (PBMC) from peripheral blood samples from prospectively recruited subjects were analyzed by flow cytometry for CD3, CD4, FoxP3, TIGIT, T-bet, and related orphan receptor γt. Epigenetic DNA methylation levels of FOXP3 Treg-specific demethylated region (TSDR), FOXP3 promoter, TBX21, RORC2, and TIGIT loci were determined in cryopreserved PBMC using a next-generation sequencing approach. Related cytokines were measured in blood sera. Functional suppressive capacity of Treg was assessed using T-cell proliferation assays. Results Fifty patients with uveitis (intermediate, posterior, and panuveitis) and 10 control subjects were recruited. The frequency of CD4+CD25+FoxP3+ Treg, TIGIT+ Treg, and T-bet+ Treg and the ratio of Treg to Th1 were significantly higher in remission patients compared with patients with active uveitic disease; and TIGIT+ Tregs were a significant predictor of clinical remission. Treg from patients in clinical remission demonstrated a high level of in vitro suppressive function compared with Treg from control subjects and from patients with untreated active disease. PBMC from patients in clinical remission had significantly lower methylation levels at the FOXP3 TSDR, FOXP3 promoter, and TIGIT loci and higher levels at RORC loci than those with active disease. Clinical remission was also associated with significantly higher serum levels of transforming growth factor β and IL-10, which positively correlated with Treg levels, and lower serum levels of IFNγ, IL-17A, and IL-22 compared with patients with active disease. Conclusion Clinical remission of sight-threatening non-infectious uveitis has an immunoregulatory phenotype characterized by upregulation of peripheral Treg, polarized toward T-bet and TIGIT. These findings may assist with individualized therapy of uveitis, by informing whether drug therapy has induced phenotypically stable Treg associated with long-term clinical remission.
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Affiliation(s)
- Rose M Gilbert
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom.,Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
| | - Xiaozhe Zhang
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom.,Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
| | - Robert D Sampson
- Flow Cytometry Core Facility, Institute of Ophthalmology, University College London (UCL), London, United Kingdom
| | - Michael R Ehrenstein
- Division of Medicine, Centre for Rheumatology, University College London (UCL), London, United Kingdom
| | - Dao X Nguyen
- Division of Medicine, Centre for Rheumatology, University College London (UCL), London, United Kingdom
| | - Mahid Chaudhry
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom
| | - Charles Mein
- Genome Centre, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Nadiya Mahmud
- Genome Centre, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Grazyna Galatowicz
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom
| | - Oren Tomkins-Netzer
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom.,Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
| | - Virginia L Calder
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom
| | - Sue Lightman
- Ocular Immunology, Institute of Ophthalmology, University College London (UCL), London, United Kingdom.,Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
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Abstract
PURPOSE OF REVIEW Glucocorticosteroids (GCSs) remain the cornerstone of therapy for treating the inflammatory component of asthma. Clinical response to GCS is heterogeneous, varying both within asthma 'endotypes', as well as the same individual. Different factors and micro-environment can alter the canonical GCS-induced signalling pathways leading to reduced efficacy, collectively termed as GCS subsensitivity, which includes the entire spectrum of steroid insensitivity and steroid resistance. RECENT FINDINGS In the past, steroid subsensitivity has been associated with dysregulated expression of glucocorticoid-receptor isoforms, neutrophilic inflammation and Th17 cytokines, oxidative stress-inducing factors and their downstream effect on histone deacetylase activities and gene expression. The review highlights recent observations, such as GCS-induced dysregulation of key transcription factors involved in host defence, role of airway infections altering expression of critical regulatory elements like the noncoding microRNAs, and the importance of interleukin (IL)-10 in reinstating steroid response in key immune cells. Further, emerging concepts of autoimmunity triggered because of delayed resolution of eosinophilic inflammation (due to GCS subsensitivity) and observed lymphopenia (plausibly a side-effect of continued GCS use) are discussed. SUMMARY This review bridges concepts that have been known, and those under current investigation, providing both molecular and clinical insights to aid therapeutic strategies for optimal management of asthmatics with varying degree of steroid subsensitivity and disease severity, with particular emphasis on the PI3 kinase pathways.
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30
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Fujimoto H, Saito Y, Ohuchida K, Kawakami E, Fujiki S, Watanabe T, Ono R, Kaneko A, Takagi S, Najima Y, Hijikata A, Cui L, Ueki T, Oda Y, Hori S, Ohara O, Nakamura M, Saito T, Ishikawa F. Deregulated Mucosal Immune Surveillance through Gut-Associated Regulatory T Cells and PD-1 + T Cells in Human Colorectal Cancer. THE JOURNAL OF IMMUNOLOGY 2018; 200:3291-3303. [PMID: 29581358 DOI: 10.4049/jimmunol.1701222] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 02/27/2018] [Indexed: 12/11/2022]
Abstract
Disturbed balance between immune surveillance and tolerance may lead to poor clinical outcomes in some malignancies. In paired analyses of adenocarcinoma and normal mucosa from 142 patients, we found a significant increase of the CD4/CD8 ratio and accumulation of regulatory T cells (Tregs) within the adenocarcinoma. The increased frequency of Tregs correlated with the local infiltration and extension of the tumor. There was concurrent maturation arrest, upregulation of programmed death-1 expression, and functional impairment in CD8+ T cells (CTLs) isolated from the adenocarcinoma. Adenocarcinoma-associated Tregs directly inhibit the function of normal human CTLs in vitro. With histopathological analysis, Foxp3+ Tregs were preferentially located in stroma. Concurrent transcriptome analysis of epithelial cells, stromal cells, and T cell subsets obtained from carcinomatous and normal intestinal samples from patients revealed a distinct gene expression signature in colorectal adenocarcinoma-associated Tregs, with overexpression of CCR1, CCR8, and TNFRSF9, whereas their ligands CCL4 and TNFSF9 were found upregulated in cancerous epithelium. Overexpression of WNT2 and CADM1, associated with carcinogenesis and metastasis, in cancer-associated stromal cells suggests that both cancer cells and stromal cells play important roles in the development and progression of colorectal cancer through the formation of a tumor microenvironment. The identification of CTL anergy by Tregs and the unique gene expression signature of human Tregs and stromal cells in colorectal cancer patients may facilitate the development of new therapeutics against malignancies.
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Affiliation(s)
- Hanae Fujimoto
- Department of Immune Regulation Research, Graduate School of Medical and Pharmaceutical Sciences, Chiba University, Chiba 260-0856, Japan.,Laboratory for Cell Signaling, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Yoriko Saito
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Kenoki Ohuchida
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Eiryo Kawakami
- RIKEN Medical Sciences Innovation Hub Program, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Saera Fujiki
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Takashi Watanabe
- Laboratory for Integrative Genomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Rintaro Ono
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Akiko Kaneko
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Shinsuke Takagi
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Yuho Najima
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Atsushi Hijikata
- Laboratory for Integrative Genomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Lin Cui
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takashi Ueki
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.,Department of Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Shohei Hori
- Laboratory for Immunology and Microbiology, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan; and
| | - Osamu Ohara
- Laboratory for Integrative Genomics, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan.,Department of Human Genome Research, Kazusa DNA Research Institute, Kisarazu 292-0818, Japan
| | - Masafumi Nakamura
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takashi Saito
- Laboratory for Cell Signaling, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Fumihiko Ishikawa
- Laboratory for Human Disease Models, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan;
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Impact of autoimmune diseases on outcome of patients with early breast cancer. Oncotarget 2018; 7:51184-51192. [PMID: 27323400 PMCID: PMC5239468 DOI: 10.18632/oncotarget.9966] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 05/28/2016] [Indexed: 11/25/2022] Open
Abstract
Our aim was to analyze the impact of a concurrent autoimmune disease on outcome of patients with early breast cancer. We reviewed medical charts of patients with a diagnosis of autoimmune diseases (AD) among a population of 17.153 cases. We categorized ADs as endocrine, rheumatic, systemic, neurological diseases and vasculitis. For each patient in the study group, we matched 2 patients. The events to determine overall survival (OS) and disease free survival (DFS) were identified from follow-up data. We identified 279 (1.62%) patients with early breast cancer and concurrent ADs. The median follow-up was 7.0 years. The 10-year OS rate was 86% (95% CI, 80% to 91%) in the study group and 90% (95% CI, 86% to 93%) for the control group (p = 0.011). In patients with ER positive/HER2 negative subtype a worse OS was observed in the study group when compared to the control group (p = 0.0046); this difference remained statistically significant when the analysis was restricted to breast cancer mortality (p = 0.045). The 10-year DFS rate was 69% (95% CI, 61% to 76%) in the study group and 72% (95% CI, 66% to 77%) for the control group (p = 0.22). Autoimmunity at diagnosis of early breast cancer is associated with worse survival.
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32
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Mukherjee M, Nair P. Autoimmune Responses in Severe Asthma. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2018; 10:428-447. [PMID: 30088364 PMCID: PMC6082822 DOI: 10.4168/aair.2018.10.5.428] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 01/29/2018] [Accepted: 02/13/2018] [Indexed: 12/11/2022]
Abstract
Asthma and autoimmune diseases both result from a dysregulated immune system, and have been conventionally considered to have mutually exclusive pathogenesis. Autoimmunity is believed to be an exaggerated Th1 response, while asthma with a Th2 underpinning is congruent with the well-accepted Th1/Th2 paradigm. The hypothesis of autoimmune involvement in asthma has received much recent interest, particularly in the adult late-onset non-atopic patients (the “intrinsic asthma”). Over the past decades, circulating autoantibodies against diverse self-targets (beta-2-adrenergic receptors, epithelial antigens, nuclear antigens, etc.) have been reported and subsequently dismissed to be epiphenomena resulting from a chronic inflammatory condition, primarily due to lack of evidence of causality/pathomechanism. Recent evidence of ‘granulomas’ in the lung biopsies of severe asthmatics, detection of pathogenic sputum autoantibodies against autologous eosinophil proteins (e.g., eosinophil peroxidase) and inadequate response to monoclonal antibody therapies (e.g., subcutaneous mepolizumab) in patients with evidence of airway autoantibodies suggest that the role of autoimmune mechanisms be revisited. In this review, we have gathered available reports of autoimmune responses in the lungs, reviewed the evidence in the context of immunogenic tissue-response and danger-associated molecular patterns, and constructed the possibility of an autoimmune-associated pathomechanism that may contribute to the severity of asthma.
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Affiliation(s)
- Manali Mukherjee
- Division of Respirology, Department of Medicine, St. Joseph's Healthcare Hamilton, McMaster University, Hamilton, Canada
| | - Parameswaran Nair
- Division of Respirology, Department of Medicine, St. Joseph's Healthcare Hamilton, McMaster University, Hamilton, Canada.
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33
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Shao S, Yu X, Shen L. Autoimmune thyroid diseases and Th17/Treg lymphocytes. Life Sci 2017; 192:160-165. [PMID: 29158050 DOI: 10.1016/j.lfs.2017.11.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 11/10/2017] [Accepted: 11/16/2017] [Indexed: 12/14/2022]
Abstract
Years of researches have demonstrated that the imbalance of Th17 and Tregs contribute to the thyroid autoimmunity and the severity of autoimmune thyroid disease (AITD). The underlying mechanism comprises inherent genetic predisposition, abnormality of Th17 and Treg related biological molecules, and gut microbiota disorder. New therapeutic strategies have been developed to improve the Th17/Treg equilibrium, including regulation of intracellular signaling pathways, neutralization of Th17-related cytokines, as well as manipulation of Th17 and Treg specific transcription factors. Although a few of these agents are applied into AITD, the clinic prospect is promising.
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Affiliation(s)
- Shiying Shao
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Huazhong University of Science & Technology, Wuhan 430030, PR China
| | - Xuefeng Yu
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Huazhong University of Science & Technology, Wuhan 430030, PR China
| | - Liya Shen
- Department of Geriatrics, Affiliated Hospital of Jianghan University, Wuhan 430015, PR China.
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34
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Wang C, Sun W, Ye Y, Bomba HN, Gu Z. Bioengineering of Artificial Antigen Presenting Cells and Lymphoid Organs. Theranostics 2017; 7:3504-3516. [PMID: 28912891 PMCID: PMC5596439 DOI: 10.7150/thno.19017] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 03/24/2017] [Indexed: 12/12/2022] Open
Abstract
The immune system protects the body against a wide range of infectious diseases and cancer by leveraging the efficiency of immune cells and lymphoid organs. Over the past decade, immune cell/organ therapies based on the manipulation, infusion, and implantation of autologous or allogeneic immune cells/organs into patients have been widely tested and have made great progress in clinical applications. Despite these advances, therapy with natural immune cells or lymphoid organs is relatively expensive and time-consuming. Alternatively, biomimetic materials and strategies have been applied to develop artificial immune cells and lymphoid organs, which have attracted considerable attentions. In this review, we survey the latest studies on engineering biomimetic materials for immunotherapy, focusing on the perspectives of bioengineering artificial antigen presenting cells and lymphoid organs. The opportunities and challenges of this field are also discussed.
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Affiliation(s)
- Chao Wang
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC 27695, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Wujin Sun
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC 27695, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Yanqi Ye
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC 27695, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Hunter N. Bomba
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC 27695, USA
| | - Zhen Gu
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC 27695, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics and Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Wongsena W, Charoensuk L, Dangtakot R, Pinlaor P, Intuyod K, Pinlaor S. Melatonin suppresses eosinophils and Th17 cells in hamsters treated with a combination of human liver fluke infection and a chemical carcinogen. Pharmacol Rep 2017; 70:98-105. [PMID: 29331794 DOI: 10.1016/j.pharep.2017.07.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 06/02/2017] [Accepted: 07/24/2017] [Indexed: 01/01/2023]
Abstract
BACKGROUND The combination of Opisthorchis viverrini (OV) infection and chemical carcinogen induces cholangiocarcinoma (CCA) in hamsters via inflammation-mediated mechanisms. Thus, suppression of inflammatory cells at the initial stages of CCA development would be of benefit. We aimed to investigate whether IL-17-producing CD4+ T cells (Th17) and CD4+ Foxp3+ T cells (Treg) are involved in the early stages of CCA genesis and can be targeted for suppression by melatonin. METHODS Inflammation, an initial stage of CCA development, was induced in hamsters by a combination of O. viverrini infection and N-nitrosodimethylamine (NDMA) administration. Melatonin (50mg/kg) was additionally administered to one group for the 30days of the experiment. Liver tissue-resident T cells were investigated using immunostaining, western blotting, and real-time PCR. RESULTS OV+NDMA-induced CCA tissues showed significantly higher numbers of inflammatory cells, especially eosinophils, bile duct proliferation and IL-17+ cell infiltration compared to normal livers. Expression of Foxp3 was localized in the bile duct epithelial cells, and especially in the bile duct hyperplasia. Accumulation of CD4+ and IL-17+ cells and intense staining of the Foxp3+ marker were consistent with their protein levels. Infiltration of IL-17+ inflammatory cells and Foxp3+ cells, as well as increases in their transcription expression levels, were significantly lower in the melatonin-treated group. In contrast, increased CD4+ cell infiltration and TNF-α expression were also observed through melatonin treatment. CONCLUSION Melatonin exerts an immunomodulatory effect, suppressing eosinophils and Th17 cells and expression of Foxp3, but enhancing CD4+ cells and TNF-α. This suggests that melatonin may be used for CCA chemoprevention.
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Affiliation(s)
- Wachanan Wongsena
- Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Thailand
| | - Lakhanawan Charoensuk
- Department of Clinical Pathology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Thailand
| | - Rungtiwa Dangtakot
- Center of Research and Development in Medical Diagnostic Laboratory, Faculty of Associated Medical Sciences, Khon Kaen University, Thailand; Cholangiocarcinoma Research Institute, Khon Kaen University, Thailand
| | - Porntip Pinlaor
- Center of Research and Development in Medical Diagnostic Laboratory, Faculty of Associated Medical Sciences, Khon Kaen University, Thailand; Cholangiocarcinoma Research Institute, Khon Kaen University, Thailand
| | - Kitti Intuyod
- Biomedical Science Program, Graduate School, Khon Kaen University, Thailand; Cholangiocarcinoma Research Institute, Khon Kaen University, Thailand
| | - Somchai Pinlaor
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Thailand; Cholangiocarcinoma Research Institute, Khon Kaen University, Thailand.
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36
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Csaba G. The Role of Brain –Pineal –Thymus System in the Determination of Lifespan: The Autoimmune Aging Theory. ACTA ACUST UNITED AC 2017. [DOI: 10.3233/nib-160118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- G. Csaba
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary
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Mukherjee M, Bulir DC, Radford K, Kjarsgaard M, Huang CM, Jacobsen EA, Ochkur SI, Catuneanu A, Lamothe-Kipnes H, Mahony J, Lee JJ, Lacy P, Nair PK. Sputum autoantibodies in patients with severe eosinophilic asthma. J Allergy Clin Immunol 2017; 141:1269-1279. [PMID: 28751233 DOI: 10.1016/j.jaci.2017.06.033] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 06/08/2017] [Accepted: 06/12/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND The persistence of eosinophils in sputum despite high doses of corticosteroids indicates disease severity in asthmatic patients. Chronic inflamed airways can lose tolerance over time to immunogenic entities released on frequent eosinophil degranulation, which further contributes to disease severity and necessitates an increase in maintenance corticosteroids. OBJECTIVES We sought to investigate the possibility of a polyclonal autoimmune event in the airways of asthmatic patients and to identify associated clinical and molecular characteristics. METHODS The presence of autoantibodies against eosinophil peroxidase (EPX) and anti-nuclear antibodies was investigated in patients with eosinophilic asthma maintained on high-dose corticosteroids, prednisone, or both. The ability of sputum immunoglobulins to induce eosinophil degranulation in vitro was assessed. In addition, the associated inflammatory microenvironment in patients with detectable autoantibodies was examined. RESULTS We report a "polyclonal" autoimmune event occurring in the airways of prednisone-dependent asthmatic patients with increased eosinophil activity, recurrent pulmonary infections, or both, as evident by the concomitant presence of sputum anti-EPX and anti-nuclear antibodies of the IgG subtype. Extensive cytokine profiling of sputum revealed a TH2-dominated microenvironment (eotaxin-2, IL-5, IL-18, and IL-13) and increased signalling molecules that support the formation of ectopic lymphoid structures (B-cell activating factor and B cell-attracting chemokine 1). Immunoprecipitated sputum immunoglobulins from patients with increased autoantibody levels triggered eosinophil degranulation in vitro, with release of extensive histone-rich extracellular traps, an event unsuppressed by dexamethasone and possibly contributing to the steroid-unresponsive nature of these eosinophilic patients. CONCLUSION This study identifies an autoimmune endotype of severe asthma that can be identified by the presence of sputum autoantibodies against EPX and autologous cellular components.
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Affiliation(s)
- Manali Mukherjee
- Division of Respirology, McMaster University, Hamilton, Ontario, Canada
| | - David C Bulir
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Katherine Radford
- Division of Respirology, McMaster University, Hamilton, Ontario, Canada
| | | | | | | | - Sergei I Ochkur
- Division of Pulmonary Medicine, Mayo Clinic, Scottsdale, Ariz
| | - Ana Catuneanu
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | | | - James Mahony
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - James J Lee
- Division of Pulmonary Medicine, Mayo Clinic, Scottsdale, Ariz
| | - Paige Lacy
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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38
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Rennó C, Nadaf MIV, Zago CA, Carneiro-Sampaio M, Palmeira P. Healthy Preterm Newborns Show an Increased Frequency of CD4(+) CD25(high) CD127(low) FOXP3(+) Regulatory T Cells with a Naive Phenotype and High Expression of Gut-Homing Receptors. Scand J Immunol 2017; 83:445-55. [PMID: 27007547 DOI: 10.1111/sji.12435] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 03/16/2016] [Indexed: 12/13/2022]
Abstract
Treg cells are crucial to prevent immune dysregulation, but little is known about the frequency of these cells in neonates, particularly in very/moderate and late preterm newborns studied as separate groups. The CD4(+) CD25(hi) CD127(lo) FOXP3(+) Treg population was phenotypically characterized to assess maturation markers and gut-homing integrins by flow cytometry in the cord blood of healthy preterm newborns born at 30-33(6/7) gestation weeks (Group 1), at 34-36(6/7) gestation weeks (Group 2) and term newborns born at 37-41 gestation weeks (Group 3), compared to healthy adults. An inverse correlation of the Treg percentage and gestational age was found, with significantly higher frequencies in Group 1 compared to Groups 2 and 3 and in Group 2 compared to Group 3, and significantly higher Treg frequencies and numbers in the neonates compared to the adults. All of the newborns exhibited increased Treg frequencies with a naive phenotype compared to adults. Cytotoxic T-lymphocyte-associated protein 4 CTLA-4 expression in the naive Treg was decreased in both preterm groups compared with those from term newborns and adults, and in the memory Treg from Group 1 compared with the other groups. The frequencies of Treg expressing α4β7 and α4β1 integrins were higher in both preterm groups, but significantly different only in Group 1, when compared with those from the term newborns and the adults. In conclusion, although a high frequency of Treg is present in newborns, an immature phenotype with a higher expression of CD45RA and α4β7/α4β1 and a lower expression of CTLA-4 is found, particularly in the very preterm group.
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Affiliation(s)
- C Rennó
- Department of Pediatrics, Medical School, University of São Paulo, São Paulo, Brazil
| | - M I V Nadaf
- Department of Pediatrics, Medical School, University of São Paulo, São Paulo, Brazil.,Department of Pediatrics, Federal University of Mato Grosso (UFMT), Cuiabá, Mato Grosso, Brazil
| | - C A Zago
- Department of Pediatrics, Medical School, University of São Paulo, São Paulo, Brazil
| | - M Carneiro-Sampaio
- Department of Pediatrics, Medical School, University of São Paulo, São Paulo, Brazil
| | - P Palmeira
- Department of Pediatrics, Medical School, University of São Paulo, São Paulo, Brazil.,Laboratory of Medical Investigation (LIM-36), Instituto da Criança, Hospital das Clínicas, São Paulo, Brazil
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Choi HS, Ha SY, Kim HM, Ahn SM, Kang MS, Kim KM, Choi MG, Lee JH, Sohn TS, Bae JM, Kim S, Kang ES. The prognostic effects of tumor infiltrating regulatory T cells and myeloid derived suppressor cells assessed by multicolor flow cytometry in gastric cancer patients. Oncotarget 2016; 7:7940-51. [PMID: 26799288 PMCID: PMC4884965 DOI: 10.18632/oncotarget.6958] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 12/26/2015] [Indexed: 12/23/2022] Open
Abstract
The prognostic effects of tumor infiltrating lymphocytes (TILs), especially regulatory T cells (Tregs) and myeloid derived suppressing cells (MDSCs) are inconclusive in gastric cancers. We investigated the frequencies of TILs including CD8+ T cells, CD45+CD4+CD25± FOXP3+ Tregs, CD45+CD11b+ CD14+ HLA−DR− MDSCs in 28 gastric cancer tissues by using multicolor flow cytometry. In gastric cancer tissue, the percentage of Tregs among the CD4+ T cell subset was substantially increased compared to that of Tregs among peripheral blood CD4+ T cells from the controls. High frequency of CD8+ T cells among CD3+ T cells correlated with increased overall survival (OS) (p = 0.005). High frequency of Tregs among CD4+ T cells correlated with increased OS (p < 0.001), and disease-free survival (DFS) (p = 0.039) and was an independent prognostic factor in OS (Hazard ratio: 0.047; 95% confidence interval, 0.006-0.372; p = 0.004). High frequency of MDSCs among total examined cells correlated with decreased OS (p = 0.027) and was an independent prognostic factor in OS (Hazard ratio 8.601; 95% confidence interval, 1.240-59.678; p = 0.029). We have demonstrated that high levels of Tregs among tumor-infiltrating CD4+ T cells were favorable, but an increased proportion of MDSCs was an adverse independent prognostic factor in gastric cancer. Our results may provide important insights for future immunotherapy in gastric cancer.
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Affiliation(s)
- Han Sol Choi
- Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang Yun Ha
- Department of Pathology and Translational Genomics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hye-Mi Kim
- Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Soo Min Ahn
- Department of Pathology and Translational Genomics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Myung-Soo Kang
- Samsung Advanced Institute for Health Sciences and Technology (SAIHST), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Samsung Biomedical Research Institute (SBRI), Center for Future Sciences, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kyoung-Mee Kim
- Department of Pathology and Translational Genomics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Min Gew Choi
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Joon Ho Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Tae Sung Sohn
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jae Moon Bae
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sung Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Eun-Suk Kang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Govea-Alonso DO, Beltrán-López J, Salazar-González JA, Vargas-Morales J, Rosales-Mendoza S. Progress and future opportunities in the development of vaccines against atherosclerosis. Expert Rev Vaccines 2016; 16:337-350. [DOI: 10.1080/14760584.2017.1258309] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Dania O. Govea-Alonso
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, SLP, México
| | - Josué Beltrán-López
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, SLP, México
| | - Jorge A. Salazar-González
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, SLP, México
| | - Juan Vargas-Morales
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, SLP, México
| | - Sergio Rosales-Mendoza
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, SLP, México
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CD25+ FoxP3+ Memory CD4 T Cells Are Frequent Targets of HIV Infection In Vivo. J Virol 2016; 90:8954-67. [PMID: 27384654 DOI: 10.1128/jvi.00612-16] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 06/17/2016] [Indexed: 12/12/2022] Open
Abstract
UNLABELLED Interleukin 2 (IL-2) signaling through the IL-2 receptor alpha chain (CD25) facilitates HIV replication in vitro and facilitates homeostatic proliferation of CD25(+) FoxP3(+) CD4(+) T cells. CD25(+) FoxP3(+) CD4(+) T cells may therefore constitute a suitable subset for HIV infection and plasma virion production. CD25(+) FoxP3(+) CD4(+) T cell frequencies, absolute numbers, and the expression of CCR5 and cell cycle marker Ki67 were studied in peripheral blood from HIV(+) and HIV(-) study volunteers. Different memory CD4(+) T cell subsets were then sorted for quantification of cell-associated HIV DNA and phylogenetic analyses of the highly variable EnvV1V3 region in comparison to plasma-derived virus sequences. In HIV(+) subjects, 51% (median) of CD25(+) FoxP3(+) CD4(+) T cells expressed the HIV coreceptor CCR5. Very high frequencies of Ki67(+) cells were detected in CD25(+) FoxP3(+) memory CD4(+) T cells (median, 27.6%) in comparison to CD25(-) FoxP3(-) memory CD4(+) T cells (median, 4.1%; P < 0.0001). HIV DNA content was 15-fold higher in CD25(+) FoxP3(+) memory CD4(+) T cells than in CD25(-) FoxP3(-) T cells (P = 0.003). EnvV1V3 sequences derived from CD25(+) FoxP3(+) memory CD4(+) T cells did not preferentially cluster with plasma-derived sequences. Quasi-identical cell-plasma sequence pairs were rare, and their proportion decreased with the estimated HIV infection duration. These data suggest that specific cellular characteristics of CD25(+) FoxP3(+) memory CD4(+) T cells might facilitate efficient HIV infection in vivo and passage of HIV DNA to cell progeny in the absence of active viral replication. The contribution of this cell population to plasma virion production remains unclear. IMPORTANCE Despite recent advances in the understanding of AIDS virus pathogenesis, which cell subsets support HIV infection and replication in vivo is incompletely understood. In vitro, the IL-2 signaling pathway and IL-2-dependent cell cycle induction are essential for HIV infection of stimulated T cells. CD25(+) FoxP3(+) memory CD4 T cells, often referred to as regulatory CD4 T cells, depend on IL-2 signaling for homeostatic proliferation in vivo Our results show that CD25(+) FoxP3(+) memory CD4(+) T cells often express the HIV coreceptor CCR5, are significantly more proliferative, and contain more HIV DNA than CD25(-) FoxP3(-) memory CD4 T cell subsets. The specific cellular characteristics of CD25(+) FoxP3(+) memory CD4(+) T cells probably facilitate efficient HIV infection in vivo and passage of HIV DNA to cell progeny in the absence of active viral replication. However, the contribution of this cell subset to plasma viremia remains unclear.
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42
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Affiliation(s)
- Sonia Berrih-Aknin
- INSERM U974; Paris France
- CNRS FRE3617; Paris France
- Sorbonne University; UPMC Univ Paris 06; Paris France
- AIM; Institute of Myology; Paris France
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43
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Shin D, Lee G, Sohn SH, Park S, Jung KH, Lee JM, Yang J, Cho J, Bae H. Regulatory T Cells Contribute to the Inhibition of Radiation-Induced Acute Lung Inflammation via Bee Venom Phospholipase A₂ in Mice. Toxins (Basel) 2016; 8:toxins8050131. [PMID: 27144583 PMCID: PMC4885046 DOI: 10.3390/toxins8050131] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 04/23/2016] [Accepted: 04/26/2016] [Indexed: 01/30/2023] Open
Abstract
Bee venom has long been used to treat various inflammatory diseases, such as rheumatoid arthritis and multiple sclerosis. Previously, we reported that bee venom phospholipase A₂ (bvPLA₂) has an anti-inflammatory effect through the induction of regulatory T cells. Radiotherapy is a common anti-cancer method, but often causes adverse effects, such as inflammation. This study was conducted to evaluate the protective effects of bvPLA₂ in radiation-induced acute lung inflammation. Mice were focally irradiated with 75 Gy of X-rays in the lung and administered bvPLA₂ six times after radiation. To evaluate the level of inflammation, the number of immune cells, mRNA level of inflammatory cytokine, and histological changes in the lung were measured. BvPLA₂ treatment reduced the accumulation of immune cells, such as macrophages, neutrophils, lymphocytes, and eosinophils. In addition, bvPLA₂ treatment decreased inflammasome-, chemokine-, cytokine- and fibrosis-related genes' mRNA expression. The histological results also demonstrated the attenuating effect of bvPLA₂ on radiation-induced lung inflammation. Furthermore, regulatory T cell depletion abolished the therapeutic effects of bvPLA₂ in radiation-induced pneumonitis, implicating the anti-inflammatory effects of bvPLA₂ are dependent upon regulatory T cells. These results support the therapeutic potential of bvPLA₂ in radiation pneumonitis and fibrosis treatments.
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Affiliation(s)
- Dasom Shin
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, South Korea.
| | - Gihyun Lee
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, South Korea.
| | - Sung-Hwa Sohn
- Department of Radiation Oncology, Yonsei University College of Medicine, Seoul 120-752, South Korea.
| | - Soojin Park
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, South Korea.
| | - Kyung-Hwa Jung
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, South Korea.
| | - Ji Min Lee
- Department of Radiation Oncology, Yonsei University College of Medicine, Seoul 120-752, South Korea.
| | - Jieun Yang
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, South Korea.
| | - Jaeho Cho
- Department of Radiation Oncology, Yonsei University College of Medicine, Seoul 120-752, South Korea.
| | - Hyunsu Bae
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, South Korea.
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González-Amaro R, Marazuela M. T regulatory (Treg) and T helper 17 (Th17) lymphocytes in thyroid autoimmunity. Endocrine 2016; 52:30-8. [PMID: 26475497 DOI: 10.1007/s12020-015-0759-7] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 09/22/2015] [Indexed: 12/30/2022]
Abstract
Different immune cell subsets have a relevant role in the pathogenesis of and tissue damage seen in autoimmune thyroid diseases (AITD), including T regulatory (Treg) lymphocytes and T helper (Th) 17 cells. There are several types of CD4+ Treg cells (Foxp3+, CD69+, Tr1), which are able to prevent the appearance of autoimmune diseases, down regulating the immune response and the inflammatory phenomenon. However, despite their presence in peripheral blood and thyroid tissue from patients with AITD, these cells are apparently unable to put down the autoimmune process. Moreover, many reports indicate the involvement of Th17 cells in chronic inflammatory diseases, including AITD. Nevertheless, it is now evident that these lymphocytes show a remarkable plasticity, giving rise to anti-inflammatory (including Treg lymphocytes) and pro-inflammatory cell subtypes. Nowadays, both Treg and Th17 cells must be considered as key elements in the pathogenesis of AITD as well as plausible potential targets for the next generation of therapeutic options of this condition.
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Affiliation(s)
- Roberto González-Amaro
- Department of Immunology, School of Medicine, UASLP, San Luis Potosí, SLP, Mexico
- Center for Applied Research in Health and Biomedicine, UASLP, San Luis Potosí, SLP, Mexico
| | - Mónica Marazuela
- Department of Endocrinology, Hospital Universitario de la Princesa, Instituto de Investigación Sanitaria Princesa, Universidad Autónoma de Madrid, C/Diego de León, 62, 28006, Madrid, Spain.
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Pucino V, Lucherini OM, Perna F, Obici L, Merlini G, Cattalini M, La Torre F, Maggio MC, Lepore MT, Magnotti F, Galgani M, Galeazzi M, Marone G, De Rosa V, Talarico R, Cantarini L, Matarese G. Differential impact of high and low penetrance TNFRSF1A
gene mutations on conventional and regulatory CD4+
T cell functions in TNFR1-associated periodic syndrome. J Leukoc Biol 2015; 99:761-9. [DOI: 10.1189/jlb.3a0915-399r] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/28/2015] [Indexed: 12/30/2022] Open
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46
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Nouatin O, Gbédandé K, Ibitokou S, Vianou B, Houngbegnon P, Ezinmegnon S, Borgella S, Akplogan C, Cottrell G, Varani S, Massougbodji A, Moutairou K, Troye-Blomberg M, Deloron P, Luty AJF, Fievet N. Infants' Peripheral Blood Lymphocyte Composition Reflects Both Maternal and Post-Natal Infection with Plasmodium falciparum. PLoS One 2015; 10:e0139606. [PMID: 26580401 PMCID: PMC4651557 DOI: 10.1371/journal.pone.0139606] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 09/14/2015] [Indexed: 11/19/2022] Open
Abstract
Maternal parasitoses modulate fetal immune development, manifesting as altered cellular immunological activity in cord blood that may be linked to enhanced susceptibility to infections in early life. Plasmodium falciparum typifies such infections, with distinct placental infection-related changes in cord blood exemplified by expanded populations of parasite antigen-specific regulatory T cells. Here we addressed whether such early-onset cellular immunological alterations persist through infancy. Specifically, in order to assess the potential impacts of P. falciparum infections either during pregnancy or during infancy, we quantified lymphocyte subsets in cord blood and in infants' peripheral blood during the first year of life. The principal age-related changes observed, independent of infection status, concerned decreases in the frequencies of CD4+, NKdim and NKT cells, whilst CD8+, Treg and Teff cells' frequencies increased from birth to 12 months of age. P. falciparum infections present at delivery, but not those earlier in gestation, were associated with increased frequencies of Treg and CD8+ T cells but fewer CD4+ and NKT cells during infancy, thus accentuating the observed age-related patterns. Overall, P. falciparum infections arising during infancy were associated with a reversal of the trends associated with maternal infection i.e. with more CD4+ cells, with fewer Treg and CD8+ cells. We conclude that maternal P. falciparum infection at delivery has significant and, in some cases, year-long effects on the composition of infants' peripheral blood lymphocyte populations. Those effects are superimposed on separate and independent age- as well as infant infection-related alterations that, respectively, either match or run counter to them.
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MESH Headings
- Adult
- Antigens, Protozoan/genetics
- Antigens, Protozoan/immunology
- Benin
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/pathology
- Female
- Fetal Blood/immunology
- Fetal Blood/parasitology
- Humans
- Immunophenotyping
- Infant
- Killer Cells, Natural/immunology
- Killer Cells, Natural/pathology
- Lymphocyte Count
- Malaria, Falciparum/immunology
- Malaria, Falciparum/parasitology
- Malaria, Falciparum/pathology
- Natural Killer T-Cells/immunology
- Natural Killer T-Cells/pathology
- Placenta/immunology
- Placenta/parasitology
- Placenta/pathology
- Plasmodium falciparum/immunology
- Pregnancy
- Pregnancy Complications, Parasitic/immunology
- Pregnancy Complications, Parasitic/parasitology
- Pregnancy Complications, Parasitic/pathology
- Retrospective Studies
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/pathology
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Affiliation(s)
- Odilon Nouatin
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Komi Gbédandé
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Samad Ibitokou
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Bertin Vianou
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Parfait Houngbegnon
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Sem Ezinmegnon
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Sophie Borgella
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Institut de Recherche pour le Développement, MERIT UMR D216 Mère et enfant face aux infections tropicales, Paris, France
| | - Carine Akplogan
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Gilles Cottrell
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Institut de Recherche pour le Développement, MERIT UMR D216 Mère et enfant face aux infections tropicales, Paris, France
- PRES Sorbonne Paris Cité, Université Paris Descartes, Faculté de Pharmacie, Paris, France
| | - Stefania Varani
- Unit of Microbiology, Department of Diagnostic, Experimental and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Achille Massougbodji
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
| | - Kabirou Moutairou
- Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin
| | - Marita Troye-Blomberg
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Philippe Deloron
- Institut de Recherche pour le Développement, MERIT UMR D216 Mère et enfant face aux infections tropicales, Paris, France
- PRES Sorbonne Paris Cité, Université Paris Descartes, Faculté de Pharmacie, Paris, France
| | - Adrian J. F. Luty
- Department of Medical Microbiology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Nadine Fievet
- Centre d’Etude et de Recherche sur le Paludisme Associé à la Grossesse et à l’Enfance (CERPAGE), Faculté des Sciences de la Santé, Université d’Abomey-Calavi, Cotonou, Benin
- Institut de Recherche pour le Développement, MERIT UMR D216 Mère et enfant face aux infections tropicales, Paris, France
- PRES Sorbonne Paris Cité, Université Paris Descartes, Faculté de Pharmacie, Paris, France
- * E-mail:
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47
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Sabbatini M, Ruggiero G, Palatucci AT, Rubino V, Federico S, Giovazzino A, Apicella L, Santopaolo M, Matarese G, Galgani M, Terrazzano G. Oscillatory mTOR inhibition and Treg increase in kidney transplantation. Clin Exp Immunol 2015; 182:230-40. [PMID: 26077103 DOI: 10.1111/cei.12669] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2015] [Indexed: 01/13/2023] Open
Abstract
Intracellular metabolic pathways dependent upon the mammalian target of rapamycin (mTOR) play a key role in immune-tolerance control. In this study, we focused on long-term mTOR-dependent immune-modulating effects in kidney transplant recipients undergoing conversion from calcineurin inhibitors (CNI) to mTOR inhibitors (everolimus) in a 1-year follow-up. The conversion to everolimus is associated with a decrease of neutrophils and of CD8(+) T cells. In addition, we observed a reduced production of interferon (IFN)-γ by CD8(+) T cells and of interleukin (IL)-17 by CD4(+) T lymphocytes. An increase in CD4(+) CD25(+) forkhead box protein 3 (FoxP3)(+) [regulatory T cell [(Treg)] numbers was also seen. Treg increase correlated with a higher proliferation rate of this regulatory subpopulation when compared with the CD4(+) FoxP3(-) effector counterpart. Basal phosphorylation level of S6 kinase, a major mTOR-dependent molecular target, was substantially maintained in patients treated with everolimus. Moreover, oscillations in serum concentration of everolimus were associated with changes in basal and activation-dependent S6 kinase phosphorylation of CD4(+) and CD8(+) T cells. Indeed, T cell receptor (TCR) triggering was observed to induce significantly higher S6 kinase phosphorylation in the presence of lower everolimus serum concentrations. These results unveil the complex mTOR-dependent immune-metabolic network leading to long-term immune-modulation and might have relevance for novel therapeutic settings in kidney transplants.
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Affiliation(s)
- M Sabbatini
- Dipartimento di Sanità Pubblica, DH di Nefrologia e Trapianto di Rene, Università di Napoli 'Federico II', Napoli, Italy
| | - G Ruggiero
- Dipartimento di Scienze Mediche Traslazionali, Università di Napoli 'Federico II', Napoli, Italy
| | - A T Palatucci
- Dottorato di Scienze.,Dipartimento di Scienze, Università della Basilicata, Potenza, Italy
| | - V Rubino
- Dipartimento di Scienze Mediche Traslazionali, Università di Napoli 'Federico II', Napoli, Italy
| | - S Federico
- Dipartimento di Sanità Pubblica, DH di Nefrologia e Trapianto di Rene, Università di Napoli 'Federico II', Napoli, Italy
| | - A Giovazzino
- Dipartimento di Scienze Mediche Traslazionali, Università di Napoli 'Federico II', Napoli, Italy.,Dipartimento di Scienze, Università della Basilicata, Potenza, Italy
| | - L Apicella
- Dipartimento di Sanità Pubblica, DH di Nefrologia e Trapianto di Rene, Università di Napoli 'Federico II', Napoli, Italy
| | - M Santopaolo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli 'Federico II', Napoli Italy
| | - G Matarese
- Dipartimento di Medicina e Chirurgia, Università di Salerno, Salerno, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milano, Italy
| | - M Galgani
- Laboratorio di Immunologia, Istituto di Endocrinologia e Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR), Napoli, Italy
| | - G Terrazzano
- Dipartimento di Scienze Mediche Traslazionali, Università di Napoli 'Federico II', Napoli, Italy.,Dipartimento di Scienze, Università della Basilicata, Potenza, Italy
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48
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Liu M, Gao W, van Velkinburgh JC, Wu Y, Ni B, Tian Y. Role of Ets Proteins in Development, Differentiation, and Function of T-Cell Subsets. Med Res Rev 2015; 36:193-220. [PMID: 26301869 DOI: 10.1002/med.21361] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 07/12/2015] [Accepted: 07/23/2015] [Indexed: 12/18/2022]
Abstract
Through positive selection, double-positive cells in the thymus differentiate into CD4(+) or CD8(+) T single-positive cells that subsequently develop into different types of effective T cells, such as T-helper and cytotoxic T lymphocyte cells, that play distinctive roles in the immune system. Development, differentiation, and function of thymocytes and CD4(+) and CD8(+) T cells are controlled by a multitude of secreted and intracellular factors, ranging from cytokine signaling modules to transcription factors and epigenetic modifiers. Members of the E26 transformation specific (Ets) family of transcription factors, in particular, are potent regulators of these CD4(+) or CD8(+) T-cell processes. In this review, we summarize and discuss the functions and underlying mechanisms of the Ets family members that have been characterized as involved in these processes. Ongoing research of these factors is expected to identify practical applications for the Ets family members as novel therapeutic targets for inflammation-related diseases.
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Affiliation(s)
- Mian Liu
- Institute of Immunology, PLA, Third Military Medical University, Chongqing, 400038, P.R. China.,Battalion 10 of Cadet Brigade, Third Military Medical University, Chongqing, 400038, P.R. China
| | - Weiwu Gao
- Institute of Immunology, PLA, Third Military Medical University, Chongqing, 400038, P.R. China
| | | | - Yuzhang Wu
- Institute of Immunology, PLA, Third Military Medical University, Chongqing, 400038, P.R. China
| | - Bing Ni
- Institute of Immunology, PLA, Third Military Medical University, Chongqing, 400038, P.R. China
| | - Yi Tian
- Institute of Immunology, PLA, Third Military Medical University, Chongqing, 400038, P.R. China
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49
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Allan ERO, Yates RM. Redundancy between Cysteine Cathepsins in Murine Experimental Autoimmune Encephalomyelitis. PLoS One 2015; 10:e0128945. [PMID: 26075905 PMCID: PMC4468166 DOI: 10.1371/journal.pone.0128945] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 05/01/2015] [Indexed: 11/18/2022] Open
Abstract
The cysteine cathepsins B, S, and L are functionally linked to antigen processing, and hence to autoimmune disorders such as multiple sclerosis. Stemming from several studies that demonstrate that mice can be protected from experimental autoimmune encephalomyelitis (EAE) through the pharmacologic inhibition of cysteine cathepsins, it has been suggested that targeting these enzymes in multiple sclerosis may be of therapeutic benefit. Utilizing mice deficient in cysteine cathepsins both individually and in combination, we found that the myelin-associated antigen myelin oligodendrocyte glycoprotein (MOG) was efficiently processed and presented by macrophages to CD4+ T cells in the individual absence of cathepsin B, S or L. Similarly, mice deficient in cathepsin B or S were susceptible to MOG-induced EAE and displayed clinical progression and immune infiltration into the CNS, similar to their wild-type counterparts. Owing to a previously described CD4+ T cell deficiency in mice deficient in cathepsin L, such mice were protected from EAE. When multiple cysteine cathepsins were simultaneously inhibited via genetic deletion of both cathepsins B and S, or by a cathepsin inhibitor (LHVS), MHC-II surface expression, MOG antigen presentation and EAE were attenuated or prevented. This study demonstrates the functional redundancy between cathepsin B, S and L in EAE, and suggests that the inhibition of multiple cysteine cathepsins may be needed to modulate autoimmune disorders such as multiple sclerosis.
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Affiliation(s)
- Euan Ramsay Orr Allan
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Alberta, Canada
| | - Robin Michael Yates
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Alberta, Canada
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Calgary, Alberta, Canada
- * E-mail:
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50
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Martanto W, Pan JY. Severe DRESS syndrome secondary to sulfamethoxazole/trimethoprim complicated by hyperthyroidism, photosensitivity, anhidrosis, and juvenile idiopathic arthritis. DERMATOL SIN 2015. [DOI: 10.1016/j.dsi.2014.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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