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Lin M, Lei S, Chai Y, Xu J, Wang Y, Wu C, Jiang H, Yuan S, Wang J, Lyu J, Lu M, Deng J. Immunosuppressive microvesicles-mimetic derived from tolerant dendritic cells to target T-lymphocytes for inflammation diseases therapy. J Nanobiotechnology 2024; 22:201. [PMID: 38659058 PMCID: PMC11040880 DOI: 10.1186/s12951-024-02470-z] [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: 01/13/2024] [Accepted: 04/07/2024] [Indexed: 04/26/2024] Open
Abstract
The utilization of extracellular vesicles (EV) in immunotherapy, aiming at suppressing peripheral immune cells responsible for inflammation, has demonstrated significant efficacy in treating various inflammatory diseases. However, the clinical application of EV has faced challenges due to their inadequate targeting ability. In addition, most of the circulating EV would be cleared by the liver, resulting in a short biological half-life after systemic administration. Inspired by the natural microvesicles (MV, as a subset of large size EV) are originated and shed from the plasma membrane, we developed the immunosuppressive MV-mimetic (MVM) from endotoxin tolerant dendritic cells (DC) by a straightforward and effective extrusion approach, in which DC surface proteins were inherited for providing the homing ability to the spleen, while αCD3 antibodies were conjugated to the MVM membranes for specific targeting of T cells. The engineered MVM carried a large number of bioactive cargos from the parental cells, which exhibited a remarkable ability to promote the induction of regulatory T cells (Treg) and polarization of anti-inflammatory M2 macrophages. Mechanistically, the elevated Treg level by MVM was mediated due to the upregulation of miR-155-3p. Furthermore, it was observed that systemic and local immunosuppression was induced by MVM in models of sepsis and rheumatoid arthritis through the improvement of Treg and M2 macrophages. These findings reveal a promising cell-free strategy for managing inflammatory responses to infections or tissue injury, thereby maintaining immune homeostasis.
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Affiliation(s)
- Minghao Lin
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Wenzhou Traditional Chinese Medicine Hospital, Wenzhou, 325000, China
| | - Siyun Lei
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Yingqian Chai
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Jianghua Xu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Youchao Wang
- Chimie ParisTech, Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology, PSL University, CNRS, Paris, 75005, France
| | - Chenghu Wu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Hongyi Jiang
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Shanshan Yuan
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Jilong Wang
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China
| | - Jie Lyu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China.
| | - Mingqin Lu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China.
| | - Junjie Deng
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
- Joint Centre of Translational Medicine, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China.
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, Zhejiang, China.
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Phoon YP, Lopes JE, Pfannenstiel LW, Marcela Diaz-Montero C, Tian YF, Ernstoff MS, Funchain P, Ko JS, Winquist R, Losey HC, Melenhorst JJ, Gastman BR. Autologous human preclinical modeling of melanoma interpatient clinical responses to immunotherapeutics. J Immunother Cancer 2024; 12:e008066. [PMID: 38604813 PMCID: PMC11015209 DOI: 10.1136/jitc-2023-008066] [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] [Accepted: 02/20/2024] [Indexed: 04/13/2024] Open
Abstract
BACKGROUND Despite recent advances in immunotherapy, a substantial population of late-stage melanoma patients still fail to achieve sustained clinical benefit. Lack of translational preclinical models continues to be a major challenge in the field of immunotherapy; thus, more optimized translational models could strongly influence clinical trial development. To address this unmet need, we designed a preclinical model reflecting the heterogeneity in melanoma patients' clinical responses that can be used to evaluate novel immunotherapies and synergistic combinatorial treatment strategies. Using our all-autologous humanized melanoma mouse model, we examined the efficacy of a novel engineered interleukin 2 (IL-2)-based cytokine variant immunotherapy. METHODS To study immune responses and antitumor efficacy for human melanoma tumors, we developed an all-autologous humanized melanoma mouse model using clinically annotated, matched patient tumor cells and peripheral blood mononuclear cells (PBMCs). After inoculating immunodeficient NSG mice with patient tumors and an adoptive cell transfer of autologous PBMCs, mice were treated with anti-PD-1, a novel investigational engineered IL-2-based cytokine (nemvaleukin), or recombinant human IL-2 (rhIL-2). The pharmacodynamic effects and antitumor efficacy of these treatments were then evaluated. We used tumor cells and autologous PBMCs from patients with varying immunotherapy responses to both model the diversity of immunotherapy efficacy observed in the clinical setting and to recapitulate the heterogeneous nature of melanoma. RESULTS Our model exhibited long-term survival of engrafted human PBMCs without developing graft-versus-host disease. Administration of an anti-PD-1 or nemvaleukin elicited antitumor responses in our model that were patient-specific and were found to parallel clinical responsiveness to checkpoint inhibitors. An evaluation of nemvaleukin-treated mice demonstrated increased tumor-infiltrating CD4+ and CD8+ T cells, preferential expansion of non-regulatory T cell subsets in the spleen, and significant delays in tumor growth compared with vehicle-treated controls or mice treated with rhIL-2. CONCLUSIONS Our model reproduces differential effects of immunotherapy in melanoma patients, capturing the inherent heterogeneity in clinical responses. Taken together, these data demonstrate our model's translatability for novel immunotherapies in melanoma patients. The data are also supportive for the continued clinical investigation of nemvaleukin as a novel immunotherapeutic for the treatment of melanoma.
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Affiliation(s)
- Yee Peng Phoon
- Center for Immunotherapy and Precision Immuno-Oncology (CITI), Cleveland Clinic, Cleveland, Ohio, USA
| | | | | | - Claudia Marcela Diaz-Montero
- Center for Immunotherapy and Precision Immuno-Oncology (CITI), Cleveland Clinic, Cleveland, Ohio, USA
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ye F Tian
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, Ohio, USA
| | | | - Pauline Funchain
- Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | | | | | | | - Jan Joseph Melenhorst
- Center for Immunotherapy and Precision Immuno-Oncology (CITI), Cleveland Clinic, Cleveland, Ohio, USA
| | - Brian R Gastman
- Center for Immunotherapy and Precision Immuno-Oncology (CITI), Cleveland Clinic, Cleveland, Ohio, USA
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3
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Ghahramanipour Z, Alipour S, Masoumi J, Rostamlou A, Hatami-Sadr A, Heris JA, Naseri B, Jafarlou M, Baradaran B. Regulation of Dendritic Cell Functions by Vitamins as Promising Therapeutic Strategy for Immune System Disorders. Adv Biol (Weinh) 2023; 7:e2300142. [PMID: 37423961 DOI: 10.1002/adbi.202300142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/14/2023] [Indexed: 07/11/2023]
Abstract
A functional immune system is crucial for a healthy life, protecting from infections, tumors, or autoimmune disorders; these are accomplished by the interaction between various immune cells. Nourishment, particularly micronutrients, are very important components in the immune system balance, therefore this review emphasizes the vitamins (D, E, A, C) and Dendritic cells' subsets due to vitamins' roles in immune processes, especially on dendritic cells' functions, maturation, and cytokine production. Current studies reveal significant benefits related to vitamins, including vitamin E, which can contribute to the control of dendritic cells' function and maturation. Furthermore, vitamin D plays an immunoregulatory and anti-inflammatory role in the immune system. Metabolite of vitamin A which is called retinoic acid leads to T cells' differentiation to T helper 1 or T helper 17, so low levels of this vitamin exacerbate the menace of infectious diseases, and vitamin C has anti-oxidant effects on dendritic cells and modulate their activation and differentiation program. Additionally, the correlation between the amount of vitamin and the occurrence or progression of allergic diseases and autoimmunity disorders is discussed according to the results of previous studies.
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Affiliation(s)
- Zahra Ghahramanipour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Shiva Alipour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, 5165665931, Iran
| | - Javad Masoumi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Arman Rostamlou
- Department of Medical Biology, Faculty of Medicine, University of EGE, Izmir, 35040, Turkey
| | | | - Javad Ahmadian Heris
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Bahar Naseri
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Mahdi Jafarlou
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
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Na K, Oh BC, Jung Y. Multifaceted role of CD14 in innate immunity and tissue homeostasis. Cytokine Growth Factor Rev 2023; 74:100-107. [PMID: 37661484 DOI: 10.1016/j.cytogfr.2023.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/05/2023]
Abstract
CD14 is a co-receptor of Toll-like receptor (TLR)- 4, with a critical role in innate immune responses. CD14 recognizes bacterial lipopolysaccharides, pathogen-, and damage-associated molecular patterns, thereby facilitating inflammatory immune responses. In addition to its well-established association with TLR4, CD14 is also implicated in TLR4-independent signaling, which leads to the apoptotic death of differentiated dendritic cells and activation of the noncanonical inflammasome pathway. CD14 also has a role beyond that of the immune responses. It contributes to tissue homeostasis by promoting the clearance of various apoptotic cells via recognizing externalized phosphatidylinositol phosphates. CD14 also has context-dependent roles, particularly in barrier tissues that include the skin and gastrointestinal tract. For example, CD14+ dendritic cells in the skin can induce immunostimulatory or immunosuppressive responses. In the gastrointestinal system, CD14 is involved in producing inflammatory cytokines in inflammatory bowel disease and maintaining of intestinal integrity. This review focuses on the multifaceted roles of CD14 in innate immunity and its potential regulatory functions in barrier tissues characterized by rapid cell renewal. By providing insights into the diverse functions of CD14, this review offers potential therapeutic implications for this versatile molecule in immune modulation and tissue homeostasis.
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Affiliation(s)
- Kunhee Na
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, the Republic of Korea
| | - Byung-Chul Oh
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, the Republic of Korea; Department of Physiology, College of Medicine, Gachon University, Incheon 21999, the Republic of Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, the Republic of Korea.
| | - YunJae Jung
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, the Republic of Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, the Republic of Korea; Department of Microbiology, College of Medicine, Gachon University, Incheon 21999, the Republic of Korea.
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5
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Castenmiller C, Nagy NA, Kroon PZ, Auger L, Desgagnés R, Martel C, Mirande L, Morel B, Roberge J, Stordeur V, Tropper G, Vézina LP, van Ree R, Gomord V, de Jong EC. A novel peanut allergy immunotherapy: Plant-based enveloped Ara h 2 Bioparticles activate dendritic cells and polarize T cell responses to Th1. World Allergy Organ J 2023; 16:100839. [PMID: 38020282 PMCID: PMC10679945 DOI: 10.1016/j.waojou.2023.100839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/19/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction As the only market-authorized allergen immunotherapy (AIT) for peanut allergy is accompanied by a high risk of side effects and mainly induces robust desensitization without sustained efficacy, novel treatment options are required. Peanut-specific plant-derived eBioparticles (eBPs) surface expressing Ara h 2 at high density have been shown to be very hypoallergenic. Here, we assessed the dendritic cell (DC)-activating and T cell polarization capacity of these peanut-specific eBPs. Methods Route and kinetics of eBP uptake were studied by (imaging) flow cytometry using monocyte-derived DCs incubated with fluorescently-labelled Ara h 2 eBPs or natural Ara h 2 (nAra h 2) in the presence or absence of inhibitors that block pathways involved in macropinocytosis, phagocytosis, and/or receptor-mediated uptake. DC activation was monitored by flow cytometry (maturation marker expression) and ELISA (cytokine production). T cell polarization was assessed by co-culturing DCs exposed to Ara h 2 eBPs or nAra h 2 with naïve CD4+ T cells, followed by flow cytometry assessment of intracellular IFNγ+ (Th1) and IL-13+ (Th2), and CD25+CD127-Foxp3+ regulatory T cells (Tregs). The suppressive activity of Tregs was tested using a suppressor assay. Results Ara h 2 eBPs were taken up by DCs through actin-dependent pathways. They activated DCs demonstrated by an induced expression of CD83 and CD86, and production of TNFα, IL-6, and IL-10. eBP-treated DCs polarized naïve CD4+ T cells towards Th1 cells, while reducing Th2 cell development. Furthermore, eBP-treated DCs induced reduced the frequency of Foxp3+ Tregs but did not significantly affect T cell IL-10 production or T cells with suppressive capacity. In contrast, DC activation and Th1 cell polarization were not observed for nAra h 2. Conclusion Ara h 2 eBPs activate DCs that subsequently promote Th1 cell polarization and reduce Th2 cell polarization. These characteristics mark Ara h 2 eBPs as a promising novel candidate for peanut AIT.
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Affiliation(s)
- Charlotte Castenmiller
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, the Netherlands
| | - Noémi Anna Nagy
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, the Netherlands
| | - Pascal Zion Kroon
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, the Netherlands
| | | | | | | | | | | | | | | | | | | | - Ronald van Ree
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, the Netherlands
- Department of Otorhinolaryngology, Amsterdam University Medical Centers, Amsterdam, the Netherlands
| | | | - Esther Christina de Jong
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, the Netherlands
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6
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Knoedler S, Knoedler L, Kauke-Navarro M, Rinkevich Y, Hundeshagen G, Harhaus L, Kneser U, Pomahac B, Orgill DP, Panayi AC. Regulatory T cells in skin regeneration and wound healing. Mil Med Res 2023; 10:49. [PMID: 37867188 PMCID: PMC10591349 DOI: 10.1186/s40779-023-00484-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 10/04/2023] [Indexed: 10/24/2023] Open
Abstract
As the body's integumentary system, the skin is vulnerable to injuries. The subsequent wound healing processes aim to restore dermal and epidermal integrity and functionality. To this end, multiple tissue-resident cells and recruited immune cells cooperate to efficiently repair the injured tissue. Such temporally- and spatially-coordinated interplay necessitates tight regulation to prevent collateral damage such as overshooting immune responses and excessive inflammation. In this context, regulatory T cells (Tregs) hold a key role in balancing immune homeostasis and mediating cutaneous wound healing. A comprehensive understanding of Tregs' multifaceted field of activity may help decipher wound pathologies and, ultimately, establish new treatment modalities. Herein, we review the role of Tregs in orchestrating the regeneration of skin adnexa and catalyzing healthy wound repair. Further, we discuss how Tregs operate during fibrosis, keloidosis, and scarring.
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Affiliation(s)
- Samuel Knoedler
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, 06510, USA
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum München, Munich, 85764, Germany
| | - Leonard Knoedler
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Martin Kauke-Navarro
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Yuval Rinkevich
- Institute of Regenerative Biology and Medicine, Helmholtz Zentrum München, Munich, 85764, Germany
| | - Gabriel Hundeshagen
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Trauma Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, 67071, Germany
| | - Leila Harhaus
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Trauma Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, 67071, Germany
| | - Ulrich Kneser
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Trauma Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, 67071, Germany
| | - Bohdan Pomahac
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Dennis P Orgill
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Adriana C Panayi
- Division of Plastic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA.
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Trauma Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Ludwigshafen, 67071, Germany.
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7
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Lui PP, Ainali C, Chu CC, Terranova-Barberio M, Karagiannis P, Tewari A, Safinia N, Sharif-Paghaleh E, Tsoka S, Woszczek G, Di Meglio P, Lombardi G, Young AR, Nestle FO, Ali N. Human skin CD141 + dendritic cells regulate cutaneous immunity via the neuropeptide urocortin 2. iScience 2023; 26:108029. [PMID: 37860766 PMCID: PMC10583083 DOI: 10.1016/j.isci.2023.108029] [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: 11/20/2022] [Revised: 08/11/2023] [Accepted: 09/21/2023] [Indexed: 10/21/2023] Open
Abstract
Skin immune homeostasis is a multi-faceted process where dermal dendritic cells (DDCs) are key in orchestrating responses to environmental stressors. We have previously identified CD141+CD14+ DDCs as a skin-resident immunoregulatory population that is vitamin-D3 (VitD3) inducible from monocyte-derived DCs (moDCs), termed CD141hi VitD3 moDCs. We demonstrate that CD141+ DDCs and CD141hi VitD3 moDCs share key immunological features including cell surface markers, reduced T cell stimulation, IL-10 production, and a common transcriptomic signature. Bioinformatic analysis identified the neuroactive ligand receptor pathway and the neuropeptide, urocortin 2 (UCN2), as a potential immunoregulatory candidate molecule. Incubation with VitD3 upregulated UCN2 in CD141+ DCs and UVB irradiation induced UCN2 in CD141+ DCs in healthy skin in vivo. Notably, CD141+ DDC generation of suppressive Tregs was dependent upon the UCN2 pathway as in vivo administration of UCN2 reversed skin inflammation in humanized mice. We propose the neuropeptide UCN2 as a novel skin DC-derived immunoregulatory mediator with a potential role in UVB and VitD3-dependent skin immune homeostasis.
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Affiliation(s)
- Prudence PokWai Lui
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Science, King’s College London, London, UK
- Centre for Gene Therapy and Regenerative Medicine, School of Basic and Biomedical Sciences, King’s College London, London, UK
| | - Chrysanthi Ainali
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Chung-Ching Chu
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Manuela Terranova-Barberio
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Panagiotis Karagiannis
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Angela Tewari
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Niloufar Safinia
- Institute of Liver Studies, Department of Inflammation Biology, School of Immunology and Microbial Sciences, James Black Centre, King’s College London, London, UK
| | - Ehsan Sharif-Paghaleh
- Department of Imaging Chemistry & Biology, School of Biomedical Engineering & Imaging Sciences, Faculty of Life Sciences & Medicine, King’s College London, London, UK
| | - Sophia Tsoka
- Department of Informatics, Faculty of Natural, Mathematical and Engineering Sciences, King’s College London, Bush House, London, UK
| | - Grzegorz Woszczek
- Asthma UK Centre in Allergic Mechanisms of Asthma, School of Immunology and Microbial Sciences, King’s College London, London, UK
| | - Paola Di Meglio
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Giovanna Lombardi
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Science, King’s College London, London, UK
| | - Antony R. Young
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Frank O. Nestle
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
| | - Niwa Ali
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Science, King’s College London, London, UK
- Centre for Gene Therapy and Regenerative Medicine, School of Basic and Biomedical Sciences, King’s College London, London, UK
- St. John’s Institute of Dermatology, King’s College London and NIHR Biomedical Research Centre, London, UK
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8
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Kim J, Lee J, Li X, Kunjravia N, Rambhia D, Cueto I, Kim K, Chaparala V, Ko Y, Garcet S, Zhou W, Cao J, Krueger JG. Multi-omics segregate different transcriptomic impacts of anti-IL-17A blockade on type 17 T-cells and regulatory immune cells in psoriasis skin. Front Immunol 2023; 14:1250504. [PMID: 37781383 PMCID: PMC10536146 DOI: 10.3389/fimmu.2023.1250504] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/28/2023] [Indexed: 10/03/2023] Open
Abstract
Durable psoriasis improvement has been reported in a subset of psoriasis patients after treatment withdrawal of biologics blocking IL-23/Type 17 T-cell (T17) autoimmune axis. However, it is not well understood if systemic blockade of the IL-23/T17 axis promotes immune tolerance in psoriasis skin. The purpose of the study was to find translational evidence that systemic IL-17A blockade promotes regulatory transcriptome modification in human psoriasis skin immune cell subsets. We analyzed human psoriasis lesional skin 6 mm punch biopsy tissues before and after systemic IL-17A blockade using the muti-genomics approach integrating immune cell-enriched scRNA-seq (n = 18), microarray (n = 61), and immunohistochemistry (n = 61) with repository normal control skin immune cell-enriched scRNA-seq (n = 10) and microarray (n = 8) data. For the T17 axis transcriptome, systemic IL-17A blockade depleted 100% of IL17A + T-cells and 95% of IL17F + T-cells in psoriasis skin. The expression of IL23A in DC subsets was also downregulated by IL-17A blockade. The expression of IL-17-driven inflammatory mediators (IL36G, S100A8, DEFB4A, and DEFB4B) in suprabasal keratinocytes was correlated with psoriasis severity and was downregulated by IL-17A blockade. For the regulatory DC transcriptome, the proportion of regulatory semimature DCs expressing regulatory DC markers of BDCA-3 (THBD) and DCIR (CLEC4A) was increased in posttreatment psoriasis lesional skin compared to pretreatment psoriasis lesional skin. In addition, IL-17A blockade induced higher expression of CD1C and CD14, which are markers of CD1c+ CD14+ dendritic cell (DC) subset that suppresses antigen-specific T-cell responses, in posttreatment regulatory semimature DCs compared to pretreatment regulatory semimature DCs. In conclusion, systemic IL-17A inhibition not only blocks the entire IL-23/T17 cell axis but also promotes regulatory gene expression in regulatory DCs in human psoriasis skin.
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Affiliation(s)
- Jaehwan Kim
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
- Dermatology Section, Veterans Affairs Northern California Health Care System, Mather, CA, United States
- Department of Dermatology, University of California, Davis, Sacramento, CA, United States
| | - Jongmi Lee
- Dermatology Section, Veterans Affairs Northern California Health Care System, Mather, CA, United States
| | - Xuan Li
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
| | - Norma Kunjravia
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
| | - Darshna Rambhia
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
| | - Inna Cueto
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
| | - Katherine Kim
- Dermatology Section, Veterans Affairs Northern California Health Care System, Mather, CA, United States
- Department of Dermatology, University of California, Davis, Sacramento, CA, United States
| | - Vasuma Chaparala
- Dermatology Section, Veterans Affairs Northern California Health Care System, Mather, CA, United States
| | - Younhee Ko
- Department of Dermatology, University of California, Davis, Sacramento, CA, United States
- Division of Biomedical Engineering, Hankuk University of Foreign Studies, Seoul, Republic of Korea
| | - Sandra Garcet
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
- Research Bioinformatics, Center for Clinical and Translational Science, The Rockefeller University, New York, NY, United States
| | - Wei Zhou
- Laboratory of Single-cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, United States
| | - Junyue Cao
- Laboratory of Single-cell Genomics and Population Dynamics, The Rockefeller University, New York, NY, United States
| | - James G. Krueger
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
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9
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Guo X, He C, Xin S, Gao H, Wang B, Liu X, Zhang S, Gong F, Yu X, Pan L, Sun F, Xu J. Current perspective on biological properties of plasmacytoid dendritic cells and dysfunction in gut. Immun Inflamm Dis 2023; 11:e1005. [PMID: 37773693 PMCID: PMC10510335 DOI: 10.1002/iid3.1005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/27/2023] [Accepted: 08/30/2023] [Indexed: 10/01/2023] Open
Abstract
Plasmacytoid dendritic cells (pDCs), a subtype of DC, possess unique developmental, morphological, and functional traits that have sparked much debate over the years whether they should be categorized as DCs. The digestive system has the greatest mucosal tissue overall, and the pDC therein is responsible for shaping the adaptive and innate immunity of the gastrointestinal tract, resisting pathogen invasion through generating type I interferons, presenting antigens, and participating in immunological responses. Therefore, its alleged importance in the gut has received a lot of attention in recent years, and a fresh functional overview is still required. Here, we summarize the current understanding of mouse and human pDCs, ranging from their formation and different qualities compared with related cell types to their functional characteristics in intestinal disorders, including colon cancer, infections, autoimmune diseases, and intestinal graft-versus-host disease. The purpose of this review is to convey our insights, demonstrate the limits of existing research, and lay a theoretical foundation for the rational development and use of pDCs in future clinical practice.
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Affiliation(s)
- Xueran Guo
- Department of Clinical Medicine, Beijing An Zhen HospitalCapital Medical UniversityBeijingChina
| | - Chengwei He
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Shuzi Xin
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Han Gao
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
- Department of Clinical Laboratory, Aerospace Center HospitalPeking UniversityBeijingChina
| | - Boya Wang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijingChina
| | - Xiaohui Liu
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Sitian Zhang
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Fengrong Gong
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Xinyi Yu
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Luming Pan
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Fangling Sun
- Department of Laboratory Animal Research, Xuan Wu HospitalCapital Medical UniversityBeijingChina
| | - Jingdong Xu
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
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10
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Nguyen HO, Tiberio L, Facchinetti F, Ripari G, Violi V, Villetti G, Salvi V, Bosisio D. Modulation of Human Dendritic Cell Functions by Phosphodiesterase-4 Inhibitors: Potential Relevance for the Treatment of Respiratory Diseases. Pharmaceutics 2023; 15:2254. [PMID: 37765223 PMCID: PMC10535230 DOI: 10.3390/pharmaceutics15092254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Inhibitors of phosphodiesterase-4 (PDE4) are small-molecule drugs that, by increasing the intracellular levels of cAMP in immune cells, elicit a broad spectrum of anti-inflammatory effects. As such, PDE4 inhibitors are actively studied as therapeutic options in a variety of human diseases characterized by an underlying inflammatory pathogenesis. Dendritic cells (DCs) are checkpoints of the inflammatory and immune responses, being responsible for both activation and dampening depending on their activation status. This review shows evidence that PDE4 inhibitors modulate inflammatory DC activation by decreasing the secretion of inflammatory and Th1/Th17-polarizing cytokines, although preserving the expression of costimulatory molecules and the CD4+ T cell-activating potential. In addition, DCs activated in the presence of PDE4 inhibitors induce a preferential Th2 skewing of effector T cells, retain the secretion of Th2-attracting chemokines and increase the production of T cell regulatory mediators, such as IDO1, TSP-1, VEGF-A and Amphiregulin. Finally, PDE4 inhibitors selectively induce the expression of the surface molecule CD141/Thrombomodulin/BDCA-3. The result of such fine-tuning is immunomodulatory DCs that are distinct from those induced by classical anti-inflammatory drugs, such as corticosteroids. The possible implications for the treatment of respiratory disorders (such as COPD, asthma and COVID-19) by PDE4 inhibitors will be discussed.
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Affiliation(s)
- Hoang Oanh Nguyen
- ImmunoConcEpT, CNRS UMR 5164, University of Bordeaux, 33000 Bordeaux, France;
| | - Laura Tiberio
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.T.); (G.R.); (V.V.)
| | - Fabrizio Facchinetti
- Department of Experimental Pharmacology and Translational Science, Corporate Pre-Clinical R&D, Chiesi Farmaceutici S.p.A., 43122 Parma, Italy; (F.F.); (G.V.)
| | - Giulia Ripari
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.T.); (G.R.); (V.V.)
| | - Valentina Violi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.T.); (G.R.); (V.V.)
| | - Gino Villetti
- Department of Experimental Pharmacology and Translational Science, Corporate Pre-Clinical R&D, Chiesi Farmaceutici S.p.A., 43122 Parma, Italy; (F.F.); (G.V.)
| | - Valentina Salvi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.T.); (G.R.); (V.V.)
| | - Daniela Bosisio
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (L.T.); (G.R.); (V.V.)
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11
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Nagy NA, Lozano Vigario F, Sparrius R, van Capel TMM, van Ree R, Tas SW, de Vries IJM, Geijtenbeek TBH, Slütter B, de Jong EC. Liposomes loaded with vitamin D3 induce regulatory circuits in human dendritic cells. Front Immunol 2023; 14:1137538. [PMID: 37359530 PMCID: PMC10288978 DOI: 10.3389/fimmu.2023.1137538] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
Introduction Nanomedicine provides a promising platform for manipulating dendritic cells (DCs) and the ensuing adaptive immune response. For the induction of regulatory responses, DCs can be targeted in vivo with nanoparticles incorporating tolerogenic adjuvants and auto-antigens or allergens. Methods Here, we investigated the tolerogenic effect of different liposome formulations loaded with vitamin D3 (VD3). We extensively phenotyped monocyte-derived DCs (moDCs) and skin DCs and assessed DC-induced regulatory CD4+ T cells in coculture. Results Liposomal VD3 primed-moDCs induced the development of regulatory CD4+ T cells (Tregs) that inhibited bystander memory T cell proliferation. Induced Tregs were of the FoxP3+ CD127low phenotype, also expressing TIGIT. Additionally, liposome-VD3 primed moDCs inhibited the development of T helper 1 (Th1) and T helper 17 (Th17) cells. Skin injection of VD3 liposomes selectively stimulated the migration of CD14+ skin DCs. Discussion These results suggest that nanoparticulate VD3 is a tolerogenic tool for DC-mediated induction of regulatory T cell responses.
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Affiliation(s)
- Noémi Anna Nagy
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
| | | | - Rinske Sparrius
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
| | - Toni M. M. van Capel
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
| | - Ronald van Ree
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Universitair Medische Centra (UMC), Department of Otorhinolaryngology, University of Amsterdam, Amsterdam, Netherlands
| | - Sander W. Tas
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Universitair Medische Centra (UMC), Department of Rheumatology and Clinical Immunology, University of Amsterdam, Amsterdam, Netherlands
| | - I. Jolanda M. de Vries
- Department of Tumor Immunology, Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Teunis B. H. Geijtenbeek
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
| | - Bram Slütter
- Division of BioTherapeutics, Leiden Academic Center for Drug Research, Leiden, Netherlands
| | - Esther C. de Jong
- Amsterdam Universitair Medische Centra (UMC), Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
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12
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Lajiness JD, Cook-Mills JM. Catching Our Breath: Updates on the Role of Dendritic Cell Subsets in Asthma. Adv Biol (Weinh) 2023; 7:e2200296. [PMID: 36755197 PMCID: PMC10293089 DOI: 10.1002/adbi.202200296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/04/2023] [Indexed: 02/10/2023]
Abstract
Dendritic cells (DCs), as potent antigen presenting cells, are known to play a central role in the pathophysiology of asthma. The understanding of DC biology has evolved over the years to include multiple subsets of DCs with distinct functions in the initiation and maintenance of asthma. Furthermore, asthma is increasingly recognized as a heterogeneous disease with potentially diverse underlying mechanisms. The goal of this review is to summarize the role of DCs and the various subsets therein in the pathophysiology of asthma and highlight some of the crucial animal models shaping the field today. Potential future avenues of investigation to address existing gaps in knowledge are discussed.
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Affiliation(s)
- Jacquelyn D Lajiness
- Department of Pediatrics, Division of Neonatology, Indiana University School of Medicine, 1030 West Michigan Street, Suite C 4600, Indianapolis, IN, 46202-5201, USA
| | - Joan M Cook-Mills
- Department of Pediatrics, Department of Microbiology and Immunology, Pediatric Pulmonary, Asthma, and Allergy Basic Research Program, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 W. Walnut Street, R4-202A, Indianapolis, IN, 46202, USA
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13
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Passeri L, Andolfi G, Bassi V, Russo F, Giacomini G, Laudisa C, Marrocco I, Cesana L, Di Stefano M, Fanti L, Sgaramella P, Vitale S, Ziparo C, Auricchio R, Barera G, Di Nardo G, Troncone R, Gianfrani C, Annoni A, Passerini L, Gregori S. Tolerogenic IL-10-engineered dendritic cell-based therapy to restore antigen-specific tolerance in T cell mediated diseases. J Autoimmun 2023; 138:103051. [PMID: 37224733 DOI: 10.1016/j.jaut.2023.103051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 02/06/2023] [Accepted: 04/21/2023] [Indexed: 05/26/2023]
Abstract
Tolerogenic dendritic cells play a critical role in promoting antigen-specific tolerance via dampening of T cell responses, induction of pathogenic T cell exhaustion and antigen-specific regulatory T cells. Here we efficiently generate tolerogenic dendritic cells by genetic engineering of monocytes with lentiviral vectors co-encoding for immunodominant antigen-derived peptides and IL-10. These transduced dendritic cells (designated DCIL-10/Ag) secrete IL-10 and efficiently downregulate antigen-specific CD4+ and CD8+ T cell responses from healthy subjects and celiac disease patients in vitro. In addition, DCIL-10/Ag induce antigen-specific CD49b+LAG-3+ T cells, which display the T regulatory type 1 (Tr1) cell gene signature. Administration of DCIL-10/Ag resulted in the induction of antigen-specific Tr1 cells in chimeric transplanted mice and the prevention of type 1 diabetes in pre-clinical disease models. Subsequent transfer of these antigen-specific T cells completely prevented type 1 diabetes development. Collectively these data indicate that DCIL-10/Ag represent a platform to induce stable antigen-specific tolerance to control T-cell mediated diseases.
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Affiliation(s)
- Laura Passeri
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Grazia Andolfi
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Virginia Bassi
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy; University of Rome Tor Vergata, Via Cracovia 50, 00133, Rome, Italy
| | - Fabio Russo
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Giorgia Giacomini
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Cecilia Laudisa
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Ilaria Marrocco
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Luca Cesana
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Marina Di Stefano
- Department of Paediatrics, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Lorella Fanti
- Gastroenterology and Gastrointestinal Endoscopy Unit, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Paola Sgaramella
- Department of Paediatrics, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Serena Vitale
- Institute of Biochemistry and Cell Biology, CNR, via P.Castellino 11, 80131, Naples, Italy
| | - Chiara Ziparo
- NESMOS Department, School of Medicine and Psychology, Sapienza University of Rome, Sant'Andrea University Hospital, Via di Grottarossa 1035, 00189, Rome, Italy
| | - Renata Auricchio
- European Laboratory for the Investigation of Food Induced Diseases (ELFID), Department of Translational Medical Science, Section of Pediatrics, Via Pansini 5, 80131, University Federico II, Naples, Italy
| | - Graziano Barera
- Department of Paediatrics, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Giovanni Di Nardo
- NESMOS Department, School of Medicine and Psychology, Sapienza University of Rome, Sant'Andrea University Hospital, Via di Grottarossa 1035, 00189, Rome, Italy
| | - Riccardo Troncone
- European Laboratory for the Investigation of Food Induced Diseases (ELFID), Department of Translational Medical Science, Section of Pediatrics, Via Pansini 5, 80131, University Federico II, Naples, Italy
| | - Carmen Gianfrani
- Institute of Biochemistry and Cell Biology, CNR, via P.Castellino 11, 80131, Naples, Italy
| | - Andrea Annoni
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Laura Passerini
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy
| | - Silvia Gregori
- Mechanisms of Peripheral Tolerance Unit, San Raffaele Telethon Institute for Gene Therapy (SR-Tiget), IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132, Milan, Italy.
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14
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Robinson ML, Glass DR, Duran V, Agudelo Rojas OL, Sanz AM, Consuegra M, Sahoo MK, Hartmann FJ, Bosse M, Gelvez RM, Bueno N, Pinsky BA, Montoya JG, Maecker H, Estupiñan Cardenas MI, Villar Centeno LA, Garrido EMR, Rosso F, Bendall SC, Einav S. Magnitude and kinetics of the human immune cell response associated with severe dengue progression by single-cell proteomics. SCIENCE ADVANCES 2023; 9:eade7702. [PMID: 36961888 PMCID: PMC10038348 DOI: 10.1126/sciadv.ade7702] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 02/21/2023] [Indexed: 06/17/2023]
Abstract
Approximately 5 million dengue virus-infected patients progress to a potentially life-threatening severe dengue (SD) infection annually. To identify the immune features and temporal dynamics underlying SD progression, we performed deep immune profiling by mass cytometry of PBMCs collected longitudinally from SD progressors (SDp) and uncomplicated dengue (D) patients. While D is characterized by early activation of innate immune responses, in SDp there is rapid expansion and activation of IgG-secreting plasma cells and memory and regulatory T cells. Concurrently, SDp, particularly children, demonstrate increased proinflammatory NK cells, inadequate expansion of CD16+ monocytes, and high expression of the FcγR CD64 on myeloid cells, yet a signature of diminished antigen presentation. Syndrome-specific determinants include suppressed dendritic cell abundance in shock/hemorrhage versus enriched plasma cell expansion in organ impairment. This study reveals uncoordinated immune responses in SDp and provides insights into SD pathogenesis in humans with potential implications for prediction and treatment.
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Affiliation(s)
- Makeda L. Robinson
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - David R. Glass
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Veronica Duran
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Chan Zuckerberg Biohub, 499 Illinois St., 4th Floor, San Francisco, CA 94158, USA
| | | | - Ana Maria Sanz
- Clinical Research Center, Fundación Valle del Lili, Cali, Colombia
| | - Monika Consuegra
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Malaya Kumar Sahoo
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Felix J. Hartmann
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Marc Bosse
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Rosa Margarita Gelvez
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Nathalia Bueno
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Benjamin A. Pinsky
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Jose G. Montoya
- Palo Alto Medical Foundation, Dr. Jack S. Remington Laboratory for Specialty Diagnostics, Palo Alto, CA, USA
| | - Holden Maecker
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Luis Angel Villar Centeno
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Elsa Marina Rojas Garrido
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Fernando Rosso
- Clinical Research Center, Fundación Valle del Lili, Cali, Colombia
- Department of Internal Medicine, Division of Infectious Diseases, Fundación Valle del Lili, Cali, Colombia
| | - Sean C. Bendall
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Shirit Einav
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Chan Zuckerberg Biohub, 499 Illinois St., 4th Floor, San Francisco, CA 94158, USA
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
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15
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He M, Roussak K, Ma F, Borcherding N, Garin V, White M, Schutt C, Jensen TI, Zhao Y, Iberg CA, Shah K, Bhatia H, Korenfeld D, Dinkel S, Gray J, Antonova AU, Ferris S, Donermeyer D, Arlehamn CL, Gubin MM, Luo J, Gorvel L, Pellegrini M, Sette A, Tung T, Bak R, Modlin RL, Fields RC, Schreiber RD, Allen PM, Klechevsky E. CD5 expression by dendritic cells directs T cell immunity and sustains immunotherapy responses. Science 2023; 379:eabg2752. [PMID: 36795805 PMCID: PMC10424698 DOI: 10.1126/science.abg2752] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 01/17/2023] [Indexed: 02/18/2023]
Abstract
The induction of proinflammatory T cells by dendritic cell (DC) subtypes is critical for antitumor responses and effective immune checkpoint blockade (ICB) therapy. Here, we show that human CD1c+CD5+ DCs are reduced in melanoma-affected lymph nodes, with CD5 expression on DCs correlating with patient survival. Activating CD5 on DCs enhanced T cell priming and improved survival after ICB therapy. CD5+ DC numbers increased during ICB therapy, and low interleukin-6 (IL-6) concentrations promoted their de novo differentiation. Mechanistically, CD5 expression by DCs was required to generate optimally protective CD5hi T helper and CD8+ T cells; further, deletion of CD5 from T cells dampened tumor elimination in response to ICB therapy in vivo. Thus, CD5+ DCs are an essential component of optimal ICB therapy.
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Affiliation(s)
- Mingyu He
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Kate Roussak
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Feiyang Ma
- Molecular Cell and Developmental Biology at University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Nicholas Borcherding
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Vince Garin
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Mike White
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Charles Schutt
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Trine I. Jensen
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark
| | - Yun Zhao
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Courtney A. Iberg
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Kairav Shah
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Himanshi Bhatia
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Daniel Korenfeld
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Sabrina Dinkel
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Judah Gray
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Alina Ulezko Antonova
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Stephen Ferris
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - David Donermeyer
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Cecilia Lindestam Arlehamn
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Matthew M. Gubin
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jingqin Luo
- Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Laurent Gorvel
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Matteo Pellegrini
- Molecular Cell and Developmental Biology at University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Alessandro Sette
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California San Diego (UCSD), La Jolla, CA 92037, USA
| | - Thomas Tung
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Rasmus Bak
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark
- Aarhus Institute of Advanced Studies (AIAS), Aarhus University, 8000 Aarhus C, Denmark
| | - Robert L. Modlin
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
- Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Ryan C. Fields
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Robert D. Schreiber
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Paul M. Allen
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Eynav Klechevsky
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
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16
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Boltjes A, Samat AAK, Plantinga M, Mokry M, Castelijns B, Swart JF, Vastert SJ, Creyghton M, Nierkens S, van Loosdregt J, van Wijk F. Conventional dendritic cells type 1 are strongly enriched, quiescent and relatively tolerogenic in local inflammatory arthritis. Front Immunol 2023; 13:1101999. [PMID: 36685500 PMCID: PMC9846246 DOI: 10.3389/fimmu.2022.1101999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 12/12/2022] [Indexed: 01/05/2023] Open
Abstract
Introduction Dendritic cells (DC) are crucial for initiating and shaping immune responses. So far, little is known about the functional specialization of human DC subsets in (local) inflammatory conditions. We profiled conventional (c)DC1, cDC2 and monocytes based on phenotype, transcriptome and function from a local inflammatory site, namely synovial fluid (SF) from patients suffering from a chronic inflammatory condition, Juvenile Idiopathic Arthritis (JIA) as well as patients with rheumatoid arthritis (RA). Methods Paired PB and SF samples from 32 JIA and 4 RA patients were collected for mononuclear cell isolation. Flow cytometry was done for definition of antigen presenting cell (APC) subsets. Cell sorting was done on the FACSAria II or III. RNA sequencing was done on SF APC subsets. Proliferation assays were done on co-cultures after CD3 magnetic activated cell sorting (MACS). APC Toll-like receptor (TLR) stimulation was done using Pam3CSK4, Poly(I:C), LPS, CpG-A and R848. Cytokine production was measured by Luminex. Results cDC1, a relatively small DC subset in blood, are strongly enriched in SF, and showed a quiescent immune signature without a clear inflammatory profile, low expression of pathogen recognition receptors (PRRs), chemokine and cytokine receptors, and poor induction of T cell proliferation and cytokine production, but selective production of IFNλ upon polyinosinic:polycytidylic acid exposure. In stark contrast, cDC2 and monocytes from the same environment, showed a pro-inflammatory transcriptional profile, high levels of (spontaneous) pro-inflammatory cytokine production, and strong induction of T cell proliferation and cytokine production, including IL-17. Although the cDC2 and monocytes showed an overlapping transcriptional core profile, there were clear differences in the transcriptional landscape and functional features, indicating that these cell types retain their lineage identity in chronic inflammatory conditions. Discussion Our findings suggest that at the site of inflammation, there is specific functional programming of human DCs, especially cDC2. In contrast, the enriched cDC1 remain relatively quiescent and seemingly unchanged under inflammatory conditions, pointing to a potentially more regulatory role.
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Affiliation(s)
- Arjan Boltjes
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands
| | - Anoushka Ashok Kumar Samat
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands
| | - Maud Plantinga
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands
| | - Michal Mokry
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands
| | | | - Joost F. Swart
- Department of Pediatric Rheumatology and Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, Netherlands
| | - Sebastiaan J. Vastert
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands,Department of Pediatric Rheumatology and Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, Netherlands
| | - Menno Creyghton
- Hubrecht Institute, Utrecht, Netherlands,Erasmus University Medical Center, Rotterdam, Netherlands
| | - Stefan Nierkens
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands,Princess Ma´ xima Center for Pediatric Oncology, Blood and Marrow Transplantation Program, Utrecht, Netherlands
| | - Jorg van Loosdregt
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands,Department of Pediatric Rheumatology and Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, Netherlands
| | - Femke van Wijk
- Center for Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands,Department of Pediatric Rheumatology and Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, Netherlands,*Correspondence: Femke van Wijk,
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17
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Dendritic Cells: The Long and Evolving Road towards Successful Targetability in Cancer. Cells 2022; 11:cells11193028. [PMID: 36230990 PMCID: PMC9563837 DOI: 10.3390/cells11193028] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/19/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
Dendritic cells (DCs) are a unique myeloid cell lineage that play a central role in the priming of the adaptive immune response. As such, they are an attractive target for immune oncology based therapeutic approaches. However, targeting these cells has proven challenging with many studies proving inconclusive or of no benefit in a clinical trial setting. In this review, we highlight the known and unknown about this rare but powerful immune cell. As technologies have expanded our understanding of the complexity of DC development, subsets and response features, we are now left to apply this knowledge to the design of new therapeutic strategies in cancer. We propose that utilization of these technologies through a multiomics approach will allow for an improved directed targeting of DCs in a clinical trial setting. In addition, the DC research community should consider a consensus on subset nomenclature to distinguish new subsets from functional or phenotypic changes in response to their environment.
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18
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Kim J, Moreno A, Krueger JG. The imbalance between Type 17 T-cells and regulatory immune cell subsets in psoriasis vulgaris. Front Immunol 2022; 13:1005115. [PMID: 36110854 PMCID: PMC9468415 DOI: 10.3389/fimmu.2022.1005115] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 08/15/2022] [Indexed: 11/30/2022] Open
Abstract
Psoriasis vulgaris is a common inflammatory disease affecting 7.5 million adults just in the US. Previously, psoriasis immunopathogenesis has been viewed as the imbalance between CD4+ T-helper 17 (Th17) cells and regulatory T-cells (Tregs). However, current paradigms are rapidly evolving as new technologies to study immune cell subsets in the skin have been advanced. For example, recently minted single-cell RNA sequencing technology has provided the opportunity to compare highly differing transcriptomes of Type 17 T-cell (T17 cell) subsets depending on IL-17A vs. IL-17F expression. The expression of regulatory cytokines in T17 cell subsets provided evidence of T-cell plasticity between T17 cells and regulatory T-cells (Tregs) in humans. In addition to Tregs, other types of regulatory cells in the skin have been elucidated, including type 1 regulatory T-cells (Tr1 cells) and regulatory dendritic cells. More recently, investigators are attempting to apply single-cell technologies to clinical trials of biologics to test if monoclonal blockade of pathogenic T-cells will induce expansion of regulatory immune cell subsets involved in skin homeostasis.
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Affiliation(s)
- Jaehwan Kim
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
- Dermatology Section, Veterans Affairs Northern California Health Care System, Mather, CA, United States
- Department of Dermatology, University of California Davis, Sacramento, CA, United States
- *Correspondence: Jaehwan Kim, ; James G. Krueger,
| | - Ariana Moreno
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
| | - James G. Krueger
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY, United States
- *Correspondence: Jaehwan Kim, ; James G. Krueger,
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19
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Belyaeva IV, Kosova AN, Vasiliev AG. Tuberculosis and Autoimmunity. PATHOPHYSIOLOGY 2022; 29:298-318. [PMID: 35736650 PMCID: PMC9228380 DOI: 10.3390/pathophysiology29020022] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 12/17/2022] Open
Abstract
Tuberculosis remains a common and dangerous chronic bacterial infection worldwide. It is long-established that pathogenesis of many autoimmune diseases is mainly promoted by inadequate immune responses to bacterial agents, among them Mycobacterium tuberculosis. Tuberculosis is a multifaceted process having many different outcomes and complications. Autoimmunity is one of the processes characteristic of tuberculosis; the presence of autoantibodies was documented by a large amount of evidence. The role of autoantibodies in pathogenesis of tuberculosis is not quite clear and widely disputed. They are regarded as: (1) a result of imbalanced immune response being reactive in nature, (2) a critical part of TB pathogenicity, (3) a beginning of autoimmune disease, (4) a protective mechanism helping to eliminate microbes and infected cells, and (5) playing dual role, pathogenic and protective. There is no single autoimmunity-mechanism development in tuberculosis; different pathways may be suggested. It may be excessive cell death and insufficient clearance of dead cells, impaired autophagy, enhanced activation of macrophages and dendritic cells, environmental influences such as vitamin D insufficiency, and genetic polymorphism, both of Mycobacterium tuberculosis and host.
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20
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Yang K. Regulation of Treg Cell Metabolism and Function in Non-Lymphoid Tissues. Front Immunol 2022; 13:909705. [PMID: 35720275 PMCID: PMC9200993 DOI: 10.3389/fimmu.2022.909705] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/06/2022] [Indexed: 12/12/2022] Open
Abstract
Regulator T cells (Tregs) play pivotal roles in maintaining immune tolerance and regulating immune responses against pathogens and tumors. Reprogramming of cellular metabolism has been determined as a crucial process that connects microenvironmental cues and signaling networks to influence homeostasis and function of tissue Tregs. In adaptation to a variety of non-lymphoid tissues, Tregs coordinate local immune signals and signaling networks to rewire cellular metabolic programs to sustain their suppressive function. Altered Treg metabolism in turn shapes Treg activation and function. In light of the advanced understanding of immunometabolism, manipulation of systemic metabolites has been emerging as an attractive strategy aiming to modulate metabolism and function of tissue Tregs and improve the treatment of immune-related diseases. In this review, we summarize key immune signals and metabolic programs involved in the regulation of tissue Tregs, review the mechanisms underlying the differentiation and function of Tregs in various non-lymphoid tissues, and discuss therapeutic intervention of metabolic modulators of tissue Tregs for the treatment of autoimmune diseases and cancer.
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Affiliation(s)
- Kai Yang
- Department of Pediatrics and the Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, United States
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21
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Tatovic D, McAteer MA, Barry J, Barrientos A, Rodríguez Terradillos K, Perera I, Kochba E, Levin Y, Dul M, Coulman SA, Birchall JC, von Ruhland C, Howell A, Stenson R, Alhadj Ali M, Luzio SD, Dunseath G, Cheung WY, Holland G, May K, Ingram JR, Chowdhury MMU, Wong FS, Casas R, Dayan C, Ludvigsson J. Safety of the use of Gold Nanoparticles conjugated with proinsulin peptide and administered by hollow microneedles as an immunotherapy in Type 1 diabetes. IMMUNOTHERAPY ADVANCES 2022; 2:ltac002. [PMID: 35919496 PMCID: PMC9327128 DOI: 10.1093/immadv/ltac002] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 01/24/2022] [Indexed: 11/17/2022] Open
Abstract
Antigen-specific immunotherapy is an immunomodulatory strategy for autoimmune diseases, such as type 1 diabetes, in which patients are treated with autoantigens to promote immune tolerance, stop autoimmune β-cell destruction and prevent permanent dependence on exogenous insulin. In this study, human proinsulin peptide C19-A3 (known for its positive safety profile) was conjugated to ultrasmall gold nanoparticles (GNPs), an attractive drug delivery platform due to the potential anti-inflammatory properties of gold. We hypothesised that microneedle intradermal delivery of C19-A3 GNP may improve peptide pharmacokinetics and induce tolerogenic immunomodulation and proceeded to evaluate its safety and feasibility in a first-in-human trial. Allowing for the limitation of the small number of participants, intradermal administration of C19-A3 GNP appears safe and well tolerated in participants with type 1 diabetes. The associated prolonged skin retention of C19-A3 GNP after intradermal administration offers a number of possibilities to enhance its tolerogenic potential, which should be explored in future studies
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Affiliation(s)
- D Tatovic
- Diabetes Research Group, Cardiff University School of Medicine, Cardiff, UK
| | | | - J Barry
- Midatech Pharma PLC, Cardiff, UK
| | | | | | - I Perera
- Midatech Pharma PLC, Cardiff, UK
| | - E Kochba
- NanoPass Technologies Ltd., Nes Ziona, Israel
| | - Y Levin
- NanoPass Technologies Ltd., Nes Ziona, Israel
| | - M Dul
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, UK
| | - S A Coulman
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, UK
| | - J C Birchall
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, UK
| | - C von Ruhland
- Central Biotechnology Services, Cardiff University, Cardiff, UK
| | - A Howell
- Diabetes Research Group, Cardiff University School of Medicine, Cardiff, UK
| | - R Stenson
- Diabetes Research Group, Cardiff University School of Medicine, Cardiff, UK
| | - M Alhadj Ali
- Diabetes Research Group, Cardiff University School of Medicine, Cardiff, UK
| | - S D Luzio
- Swansea Trials Unit, Swansea University Medical School, UK
| | - G Dunseath
- Swansea Trials Unit, Swansea University Medical School, UK
| | - W Y Cheung
- Diabetes Research Unit Cymru, Institute for Life Sciences, Swansea University, Swansea, UK
| | - G Holland
- Swansea Trials Unit, Swansea University Medical School, UK
| | - K May
- Department of Cellular Pathology, University Hospital of Wales, Cardiff, UK
| | - J R Ingram
- Division of Infection & Immunity, Cardiff University School of Medicine, Cardiff, UK
| | - M M U Chowdhury
- Welsh Institute of Dermatology, University Hospital of Wales, Cardiff, UK
| | - F S Wong
- Diabetes Research Group, Cardiff University School of Medicine, Cardiff, UK
| | - R Casas
- Division of Pediatrics, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | - C Dayan
- Diabetes Research Group, Cardiff University School of Medicine, Cardiff, UK
| | - J Ludvigsson
- Division of Pediatrics, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences and Crown Princess Victoria Children´s Hospital, Linköping University, Linköping, Sweden
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22
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Català-Moll F, Ferreté-Bonastre AG, Godoy-Tena G, Morante-Palacios O, Ciudad L, Barberà L, Fondelli F, Martínez-Cáceres EM, Rodríguez-Ubreva J, Li T, Ballestar E. Vitamin D receptor, STAT3, and TET2 cooperate to establish tolerogenesis. Cell Rep 2022; 38:110244. [DOI: 10.1016/j.celrep.2021.110244] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/27/2021] [Accepted: 12/20/2021] [Indexed: 12/21/2022] Open
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23
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Paavola KJ, Roda JM, Lin VY, Chen P, O'Hollaren KP, Ventura R, Crawley SC, Li B, Chen HIH, Malmersjö S, Sharkov NA, Horner G, Guo W, Kutach AK, Mondal K, Zhang Z, Lichtman JS, Song C, Rivera LB, Liu W, Luo J, Wang Y, Solloway MJ, Allan BB, Kekatpure A, Starck SR, Haldankar R, Fan B, Chu C, Tang J, Molgora M, Colonna M, Kaplan DD, Hsu JY. The Fibronectin-ILT3 Interaction Functions as a Stromal Checkpoint that Suppresses Myeloid Cells. Cancer Immunol Res 2021; 9:1283-1297. [PMID: 34426457 PMCID: PMC9414285 DOI: 10.1158/2326-6066.cir-21-0240] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 06/09/2021] [Accepted: 08/17/2021] [Indexed: 01/07/2023]
Abstract
Suppressive myeloid cells inhibit antitumor immunity by preventing T-cell responses. Immunoglobulin-like transcript 3 (ILT3; also known as LILRB4) is highly expressed on tumor-associated myeloid cells and promotes their suppressive phenotype. However, the ligand that engages ILT3 within the tumor microenvironment and renders tumor-associated myeloid cells suppressive is unknown. Using a screening approach, we identified fibronectin as a functional ligand for ILT3. The interaction of fibronectin with ILT3 polarized myeloid cells toward a suppressive state, and these effects were reversed with an ILT3-specific antibody that blocked the interaction of ILT3 with fibronectin. Furthermore, ex vivo treatment of human tumor explants with anti-ILT3 reprogrammed tumor-associated myeloid cells toward a stimulatory phenotype. Thus, the ILT3-fibronectin interaction represents a "stromal checkpoint" through which the extracellular matrix actively suppresses myeloid cells. By blocking this interaction, tumor-associated myeloid cells may acquire a stimulatory phenotype, potentially resulting in increased antitumor T-cell responses.
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Affiliation(s)
| | - Julie M. Roda
- NGM Biopharmaceuticals, South San Francisco, California
| | - Vicky Y. Lin
- NGM Biopharmaceuticals, South San Francisco, California
| | - Peirong Chen
- NGM Biopharmaceuticals, South San Francisco, California
| | | | | | | | - Betty Li
- NGM Biopharmaceuticals, South San Francisco, California
| | | | | | | | | | - Wei Guo
- NGM Biopharmaceuticals, South San Francisco, California
| | | | | | - Zhen Zhang
- NGM Biopharmaceuticals, South San Francisco, California
| | | | | | - Lee B. Rivera
- NGM Biopharmaceuticals, South San Francisco, California
| | - Wenhui Liu
- NGM Biopharmaceuticals, South San Francisco, California
| | - Jian Luo
- NGM Biopharmaceuticals, South San Francisco, California
| | - Yan Wang
- NGM Biopharmaceuticals, South San Francisco, California
| | | | | | | | | | - Raj Haldankar
- NGM Biopharmaceuticals, South San Francisco, California
| | - Bin Fan
- NGM Biopharmaceuticals, South San Francisco, California
| | - Chun Chu
- NGM Biopharmaceuticals, South San Francisco, California
| | - Jie Tang
- NGM Biopharmaceuticals, South San Francisco, California
| | - Martina Molgora
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri
| | | | - Jer-Yuan Hsu
- NGM Biopharmaceuticals, South San Francisco, California.,Corresponding Author: Jer-Yuan Hsu, NGM Biopharmaceuticals, 333 Oyster Point Boulevard, South San Francisco, CA 94080. Phone: 650-243-5579; Fax: 650-583-1646; E-mail:
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24
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Doyle CM, Vine EE, Bertram KM, Baharlou H, Rhodes JW, Dervish S, Gosselink MP, Di Re A, Collins GP, Reza F, Toh JWT, Pathma-Nathan N, Ahlenstiel G, Ctercteko G, Cunningham AL, Harman AN, Byrne SN. Optimal Isolation Protocols for Examining and Interrogating Mononuclear Phagocytes From Human Intestinal Tissue. Front Immunol 2021; 12:727952. [PMID: 34566985 PMCID: PMC8462295 DOI: 10.3389/fimmu.2021.727952] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 08/11/2021] [Indexed: 12/12/2022] Open
Abstract
The human intestine contains numerous mononuclear phagocytes (MNP), including subsets of conventional dendritic cells (cDC), macrophages (Mf) and monocytes, each playing their own unique role within the intestinal immune system and homeostasis. The ability to isolate and interrogate MNPs from fresh human tissue is crucial if we are to understand the role of these cells in homeostasis, disease settings and immunotherapies. However, liberating these cells from tissue is problematic as many of the key surface identification markers they express are susceptible to enzymatic cleavage and they are highly susceptible to cell death. In addition, the extraction process triggers immunological activation/maturation which alters their functional phenotype. Identifying the evolving, complex and highly heterogenous repertoire of MNPs by flow cytometry therefore requires careful selection of digestive enzyme blends that liberate viable cells and preserve recognition epitopes involving careful selection of antibody clones to enable analysis and sorting for functional assays. Here we describe a method for the anatomical separation of mucosa and submucosa as well as isolating lymphoid follicles from human jejunum, ileum and colon. We also describe in detail the optimised enzyme digestion methods needed to acquire functionally immature and biologically functional intestinal MNPs. A comprehensive list of screened antibody clones is also presented which allows for the development of high parameter flow cytometry panels to discriminate all currently identified human tissue MNP subsets including pDCs, cDC1, cDC2 (langerin+ and langerin-), newly described DC3, monocytes, Mf1, Mf2, Mf3 and Mf4. We also present a novel method to account for autofluorescent signal from tissue macrophages. Finally, we demonstrate that these methods can successfully be used to sort functional, immature intestinal DCs that can be used for functional assays such as cytokine production assays.
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Affiliation(s)
- Chloe M Doyle
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Erica E Vine
- Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Kirstie M Bertram
- Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Heeva Baharlou
- Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Jake W Rhodes
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Suat Dervish
- Westmead Cytometry, The Westmead Institute for Medical Research, Westmead, NSW, Australia
| | - Martijn P Gosselink
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - Angelina Di Re
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - Geoffrey P Collins
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - Faizur Reza
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - James W T Toh
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - Nimalan Pathma-Nathan
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - Golo Ahlenstiel
- Storr Liver Centre, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Blacktown Clinical School, Western Sydney University, Blacktown, NSW, Australia.,Blacktown Hospital, Western Sydney Local Area Health District (WSLHD), Blacktown, NSW, Australia
| | - Grahame Ctercteko
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia.,Department of Colorectal Surgery, Westmead Hospital, Westmead, NSW, Australia
| | - Anthony L Cunningham
- Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Andrew N Harman
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,Centre for Virus Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
| | - Scott N Byrne
- Centre for Immunology and Allergy Research, The Westmead Institute for Medical Research, Westmead, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Westmead, NSW, Australia
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25
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Basit F, van Oorschot T, van Buggenum J, Derks RJE, Kostidis S, Giera M, de Vries IJM. Metabolomic and lipidomic signatures associated with activation of human cDC1 (BDCA3 + /CD141 + ) dendritic cells. Immunology 2021; 165:99-109. [PMID: 34431087 PMCID: PMC9426619 DOI: 10.1111/imm.13409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 06/17/2021] [Accepted: 07/06/2021] [Indexed: 12/23/2022] Open
Abstract
Dendritic cells (DCs) bridge the connection between innate and adaptive immunity. DCs present antigens to T cells and stimulate potent cytotoxic T‐cell responses. Metabolic reprogramming is critical for DC development and activation; however, metabolic adaptations and regulation in DC subsets remains largely uncharacterized. Here, we mapped metabolomic and lipidomic signatures associated with the activation phenotype of human conventional DC type 1, a DC subset specialized in cross‐presentation and therefore of major importance for the stimulation of CD8+ T cells. Our metabolomics and lipidomic analyses showed that Toll‐like receptor (TLR) stimulation altered glycerolipids and amino acids in cDC1. Poly I:C or pRNA stimulation reduced triglycerides and cholesterol esters, as well as various amino acids. Moreover, TLR stimulation reduced expression of glycolysis‐regulating genes and did not induce glycolysis. Conversely, cDC1 exhibited increased mitochondrial content and oxidative phosphorylation (OXPHOS) upon TLR3 or TLR7/8 stimulation. Our findings highlight the metabolic adaptations required for cDC1 maturation.
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Affiliation(s)
- Farhan Basit
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboudumc, Nijmegen, The Netherlands
| | - Tom van Oorschot
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboudumc, Nijmegen, The Netherlands
| | - Jessie van Buggenum
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboudumc, Nijmegen, The Netherlands
| | - Rico J E Derks
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Sarantos Kostidis
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Martin Giera
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - I Jolanda M de Vries
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboudumc, Nijmegen, The Netherlands.,Department of Medical Oncology, Radboudumc, Nijmegen, The Netherlands
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26
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Tolerogenic Dendritic Cell-Based Approaches in Autoimmunity. Int J Mol Sci 2021; 22:ijms22168415. [PMID: 34445143 PMCID: PMC8395087 DOI: 10.3390/ijms22168415] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 12/15/2022] Open
Abstract
Dendritic cells (DCs) dictate the outcomes of tissue-specific immune responses. In the context of autoimmune diseases, DCs instruct T cells to respond to antigens (Ags), including self-Ags, leading to organ damage, or to becoming regulatory T cells (Tregs) promoting and perpetuating immune tolerance. DCs can acquire tolerogenic properties in vitro and in vivo in response to several stimuli, a feature that opens the possibility to generate or to target DCs to restore tolerance in autoimmune settings. We present an overview of the different subsets of human DCs and of the regulatory mechanisms associated with tolerogenic (tol)DC functions. We review the role of DCs in the induction of tissue-specific autoimmunity and the current approaches exploiting tolDC-based therapies or targeting DCs in vivo for the treatment of autoimmune diseases. Finally, we discuss limitations and propose future investigations for improving the knowledge on tolDCs for future clinical assessment to revert and prevent autoimmunity. The continuous expansion of tolDC research areas will lead to improving the understanding of the role that DCs play in the development and treatment of autoimmunity.
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27
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Kim J, Lee J, Kim HJ, Kameyama N, Nazarian R, Der E, Cohen S, Guttman-Yassky E, Putterman C, Krueger JG. Single-cell transcriptomics applied to emigrating cells from psoriasis elucidate pathogenic versus regulatory immune cell subsets. J Allergy Clin Immunol 2021; 148:1281-1292. [PMID: 33932468 DOI: 10.1016/j.jaci.2021.04.021] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/16/2021] [Accepted: 04/16/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND In previous human skin single-cell data, inflammatory cells constituted only a small fraction of the overall cell population, such that functional subsets were difficult to ascertain. OBJECTIVE Our aims were to overcome the aforesaid limitation by applying single-cell transcriptomics to emigrating cells from skin and elucidate ex vivo gene expression profiles of pathogenic versus regulatory immune cell subsets in the skin of individuals with psoriasis. METHODS We harvested emigrating cells from human psoriasis skin after incubation in culture medium without enzyme digestion or cell sorting and analyzed cells with single-cell RNA sequencing and flow cytometry simultaneously. RESULTS Unsupervised clustering of harvested cells from psoriasis skin and control skin identified natural killer cells, T-cell subsets, dendritic cell subsets, melanocytes, and keratinocytes in different layers. Comparison between psoriasis cells and control cells within each cluster revealed that (1) cutaneous type 17 T cells display highly differing transcriptome profiles depending on IL-17A versus IL-17F expression and IFN-γ versus IL-10 expression; (2) semimature dendritic cells are regulatory dendritic cells with high IL-10 expression, but a subset of semimature dendritic cells expresses IL-23A and IL-36G in psoriasis; and (3) CCL27-CCR10 interaction is potentially impaired in psoriasis because of decreased CCL27 expression in basal keratinocytes. CONCLUSION We propose that single-cell transcriptomics applied to emigrating cells from human skin provides an innovative study platform to compare gene expression profiles of heterogenous immune cells in various inflammatory skin diseases.
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Affiliation(s)
- Jaehwan Kim
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY; Department of Medicine, Division of Dermatology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY.
| | - Jongmi Lee
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY
| | - Hyun Je Kim
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York, NY; Department of Dermatology, Samsung Medical Center, Seoul, Korea
| | - Naoya Kameyama
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Roya Nazarian
- Department of Medicine, Division of Dermatology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY
| | - Evan Der
- Department of Medicine, Division of Rheumatology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY
| | - Steven Cohen
- Department of Medicine, Division of Dermatology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY
| | - Emma Guttman-Yassky
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Chaim Putterman
- Department of Medicine, Division of Rheumatology, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY; Azrieli School of Medicine, Safed, Israel; Research Institute, Galillee Medical Center, Nahariya, Israel
| | - James G Krueger
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, NY.
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28
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Feng M, Zhou S, Yu Y, Su Q, Li X, Lin W. Regulation of the Migration of Distinct Dendritic Cell Subsets. Front Cell Dev Biol 2021; 9:635221. [PMID: 33681216 PMCID: PMC7933215 DOI: 10.3389/fcell.2021.635221] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/01/2021] [Indexed: 12/13/2022] Open
Abstract
Dendritic cells (DCs), a class of antigen-presenting cells, are widely present in tissues and apparatuses of the body, and their ability to migrate is key for the initiation of immune activation and tolerogenic immune responses. The importance of DCs migration for their differentiation, phenotypic states, and immunologic functions has attracted widespread attention. In this review, we discussed and compared the chemokines, membrane molecules, and migration patterns of conventional DCs, plasmocytoid DCs, and recently proposed DC subgroups. We also review the promoters and inhibitors that affect DCs migration, including the hypoxia microenvironment, tumor microenvironment, inflammatory factors, and pathogenic microorganisms. Further understanding of the migration mechanisms and regulatory factors of DC subgroups provides new insights for the treatment of diseases, such as infection, tumors, and vaccine preparation.
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Affiliation(s)
- Meng Feng
- Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Science, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shuping Zhou
- Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Science, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yong Yu
- Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Science, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Qinghong Su
- Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Science, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xiaofan Li
- Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Science, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Wei Lin
- Institute of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Science, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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29
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Castenmiller C, Keumatio-Doungtsop BC, van Ree R, de Jong EC, van Kooyk Y. Tolerogenic Immunotherapy: Targeting DC Surface Receptors to Induce Antigen-Specific Tolerance. Front Immunol 2021; 12:643240. [PMID: 33679806 PMCID: PMC7933040 DOI: 10.3389/fimmu.2021.643240] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 02/02/2021] [Indexed: 12/11/2022] Open
Abstract
Dendritic cells (DCs) are well-established as major players in the regulation of immune responses. They either induce inflammatory or tolerogenic responses, depending on the DC-subtype and stimuli they receive from the local environment. This dual capacity of DCs has raised therapeutic interest for their use to modify immune-activation via the generation of tolerogenic DCs (tolDCs). Several compounds such as vitamin D3, retinoic acid, dexamethasone, or IL-10 and TGF-β have shown potency in the induction of tolDCs. However, an increasing interest exists in defining tolerance inducing receptors on DCs for new targeting strategies aimed to develop tolerance inducing immunotherapies, on which we focus particular in this review. Ligation of specific cell surface molecules on DCs can result in antigen presentation to T cells in the presence of inhibitory costimulatory molecules and tolerogenic cytokines, giving rise to regulatory T cells. The combination of factors such as antigen structure and conformation, delivery method, and receptor specificity is of paramount importance. During the last decades, research provided many tools that can specifically target various receptors on DCs to induce a tolerogenic phenotype. Based on advances in the knowledge of pathogen recognition receptor expression profiles in human DC subsets, the most promising cell surface receptors that are currently being explored as possible targets for the induction of tolerance in DCs will be discussed. We also review the different strategies that are being tested to target DC receptors such as antigen-carbohydrate conjugates, antibody-antigen fusion proteins and antigen-adjuvant conjugates.
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Affiliation(s)
- Charlotte Castenmiller
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
| | - Brigitte-Carole Keumatio-Doungtsop
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Ronald van Ree
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands.,Department of Otorhinolaryngology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Esther C de Jong
- Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, University of Amsterdam, Amsterdam, Netherlands
| | - Yvette van Kooyk
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Centers, Amsterdam Institute for Infection & Immunity, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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30
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Bödder J, Zahan T, van Slooten R, Schreibelt G, de Vries IJM, Flórez-Grau G. Harnessing the cDC1-NK Cross-Talk in the Tumor Microenvironment to Battle Cancer. Front Immunol 2021; 11:631713. [PMID: 33679726 PMCID: PMC7933030 DOI: 10.3389/fimmu.2020.631713] [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: 11/20/2020] [Accepted: 12/29/2020] [Indexed: 12/16/2022] Open
Abstract
Immunotherapeutic approaches have revolutionized the treatment of several diseases such as cancer. The main goal of immunotherapy for cancer is to modulate the anti-tumor immune responses by favoring the recognition and destruction of tumor cells. Recently, a better understanding of the suppressive effect of the tumor microenvironment (TME) on immune cells, indicates that restoring the suppressive effect of the TME is crucial for an efficient immunotherapy. Natural killer (NK) cells and dendritic cells (DCs) are cell types that are currently administered to cancer patients. NK cells are used because of their ability to kill tumor cells directly via cytotoxic granzymes. DCs are employed to enhance anti-tumor T cell responses based on their ability to present antigens and induce tumor-antigen specific CD8+ T cell responses. In preclinical models, a particular DC subset, conventional type 1 DCs (cDC1s) is shown to be specialized in cross-presenting extracellular antigens to CD8+ T cells. This feature makes them a promising DC subset for cancer treatment. Within the TME, cDC1s show a bidirectional cross-talk with NK cells, resulting in a higher cDC1 recruitment, differentiation, and maturation as well as activation and stimulation of NK cells. Consequently, the presence of cDC1s and NK cells within the TME might be of utmost importance for the success of immunotherapy. In this review, we discuss the function of cDC1s and NK cells, their bidirectional cross-talk and potential strategies that could improve cancer immunotherapy.
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Affiliation(s)
- Johanna Bödder
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Tasmin Zahan
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Rianne van Slooten
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Gerty Schreibelt
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - I Jolanda M de Vries
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Georgina Flórez-Grau
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
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31
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Beijnen EMS, van Haren SD. Vaccine-Induced CD8 + T Cell Responses in Children: A Review of Age-Specific Molecular Determinants Contributing to Antigen Cross-Presentation. Front Immunol 2020; 11:607977. [PMID: 33424857 PMCID: PMC7786054 DOI: 10.3389/fimmu.2020.607977] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 11/18/2020] [Indexed: 12/11/2022] Open
Abstract
Infections are most common and most severe at the extremes of age, the young and the elderly. Vaccination can be a key approach to enhance immunogenicity and protection against pathogens in these vulnerable populations, who have a functionally distinct immune system compared to other age groups. More than 50% of the vaccine market is for pediatric use, yet to date vaccine development is often empiric and not tailored to molecular distinctions in innate and adaptive immune activation in early life. With modern vaccine development shifting from whole-cell based vaccines to subunit vaccines also comes the need for formulations that can elicit a CD8+ T cell response when needed, for example, by promoting antigen cross-presentation. While our group and others have identified many cellular and molecular determinants of successful activation of antigen-presenting cells, B cells and CD4+ T cells in early life, much less is known about the ontogeny of CD8+ T cell induction. In this review, we summarize the literature pertaining to the frequency and phenotype of newborn and infant CD8+ T cells, and any evidence of induction of CD8+ T cells by currently licensed pediatric vaccine formulations. In addition, we review the molecular determinants of antigen cross-presentation on MHC I and successful CD8+ T cell induction and discuss potential distinctions that can be made in children. Finally, we discuss recent advances in development of novel adjuvants and provide future directions for basic and translational research in this area.
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Affiliation(s)
- Elisabeth M S Beijnen
- Utrecht Institute for Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Utrecht, Netherlands.,Precision Vaccines Program, Division of Infectious Diseases, Boston Children's Hospital, Boston, MA, United States.,Department of Pediatrics, Harvard Medical School, Boston, MA, United States
| | - Simon D van Haren
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children's Hospital, Boston, MA, United States.,Department of Pediatrics, Harvard Medical School, Boston, MA, United States
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32
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Wardell CM, MacDonald KN, Levings MK, Cook L. Cross talk between human regulatory T cells and antigen-presenting cells: Lessons for clinical applications. Eur J Immunol 2020; 51:27-38. [PMID: 33301176 DOI: 10.1002/eji.202048746] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/04/2020] [Accepted: 12/01/2020] [Indexed: 12/14/2022]
Abstract
Regulatory T cells (Tregs) have a critical role in maintaining self-tolerance and immune homeostasis. There is much interest in using Tregs as a cell therapy to re-establish tolerance in conditions such as inflammatory bowel disease and type 1 diabetes, with many ongoing clinical studies testing the safety and efficacy of this approach. Manufacturing of Tregs for therapy typically involves ex vivo expansion to obtain sufficient cell numbers for infusion and comes with the risk of altering the activity of key biological processes. However, this process also offers an opportunity to tailor Treg function to maximize in vivo activity. In this review, we focus on the roles of antigen-presenting cells (APCs) in the generation and function of Tregs in humans. In addition to stimulating the development of Tregs, APCs activate Tregs and provide signals that induce specialized functional and homing marker expression. Cross talk between Tregs and APCs is a critical, often under-appreciated, aspect of Treg biology, with APCs mediating the key properties of infectious tolerance and bystander suppression. Understanding the biology of human Treg-APC interactions will reveal new ways to optimize Treg-based therapeutic approaches.
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Affiliation(s)
- Christine M Wardell
- Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Katherine N MacDonald
- BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada.,School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia, Canada.,Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada
| | - Megan K Levings
- Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada.,School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Laura Cook
- BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
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33
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Park SC, Shim D, Kim H, Bak Y, Choi DY, Yoon JH, Kim CH, Shin SJ. Fms-Like Tyrosine Kinase 3-Independent Dendritic Cells Are Major Mediators of Th2 Immune Responses in Allergen-Induced Asthmatic Mice. Int J Mol Sci 2020; 21:ijms21249508. [PMID: 33327561 PMCID: PMC7765069 DOI: 10.3390/ijms21249508] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/25/2020] [Accepted: 12/10/2020] [Indexed: 02/06/2023] Open
Abstract
Dendritic cells (DCs) are the main mediators of Th2 immune responses in allergic asthma, and Fms-like tyrosine kinase 3 ligand (Flt3L) is an important growth factor for the development and homeostasis of DCs. This study identified the DC populations that primarily cause the initiation and development of allergic lung inflammation using Fms-like tyrosine kinase 3 (Flt3) knockout (KO) mice with allergen-induced allergic asthma. We observed type 2 allergic lung inflammation with goblet cell hyperplasia in Flt3 KO mice, despite a significant reduction in total DCs, particularly CD103+ DCs, which was barely detected. In addition, bone marrow-derived dendritic cells (BMDCs) from Flt3 KO mice directed Th2 immune responses in vitro, and the adoptive transfer of these BMDCs exacerbated allergic asthma with more marked Th2 responses than that of BMDCs from wild-type (WT) mice. Furthermore, we found that Flt3L regulated the in vitro expression of OX40 ligand (OX40L) in DCs, which is correlated with DC phenotype in in vivo models. In conclusion, we revealed that Flt3-independent CD11b+ DCs direct Th2 responses with the elevated OX40L and are the primary cause of allergic asthma. Our findings suggest that Flt3 is required to control type 2 allergic inflammation.
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Affiliation(s)
- Sang Chul Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Korea;
| | - Dahee Shim
- Department of Microbiology, Yonsei University College of Medicine, Seoul 03722, Korea; (D.S.); (H.K.); (Y.B.)
| | - Hongmin Kim
- Department of Microbiology, Yonsei University College of Medicine, Seoul 03722, Korea; (D.S.); (H.K.); (Y.B.)
- Brain Korea 21 Program for Leading Universities and Students (PLUS) Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Yeeun Bak
- Department of Microbiology, Yonsei University College of Medicine, Seoul 03722, Korea; (D.S.); (H.K.); (Y.B.)
- Brain Korea 21 Program for Leading Universities and Students (PLUS) Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Da Yeon Choi
- Hallym University Industry-Academic Cooperation Foundation, Chuncheon 24252, Korea;
| | - Joo-Heon Yoon
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul 03722, Korea;
- Global Research Laboratory for Allergic Airway Diseases, Yonsei University College of Medicine, Seoul 03722, Korea
- The Airway Mucus Institute, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Chang-Hoon Kim
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul 03722, Korea;
- The Airway Mucus Institute, Yonsei University College of Medicine, Seoul 03722, Korea
- Correspondence: (C.-H.K.); (S.J.S.); Tel.: +82-2-2228-3609 (C.-H.K.); +82-2-2228-1813 (S.J.S.)
| | - Sung Jae Shin
- Brain Korea 21 Program for Leading Universities and Students (PLUS) Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
- Global Research Laboratory for Allergic Airway Diseases, Yonsei University College of Medicine, Seoul 03722, Korea
- Department of Microbiology, Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul 03722, Korea
- Correspondence: (C.-H.K.); (S.J.S.); Tel.: +82-2-2228-3609 (C.-H.K.); +82-2-2228-1813 (S.J.S.)
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34
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Poon MM, Farber DL. The Whole Body as the System in Systems Immunology. iScience 2020; 23:101509. [PMID: 32920485 PMCID: PMC7491152 DOI: 10.1016/j.isci.2020.101509] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/20/2020] [Accepted: 08/25/2020] [Indexed: 02/08/2023] Open
Abstract
The human immune system is comprised of a diverse and interactive network of specialized cells localized in diverse tissues throughout the body, where they mediate protection against pathogens and environmental insults while maintaining tissue homeostasis. Although much of our understanding of human immunology has derived from studies of peripheral blood, recent work utilizing human tissue resources and innovative computational methods have employed a whole-body, systems-based approach, revealing tremendous complexity and heterogeneity of the immune system within individuals and across the population. In this review, we discuss how tissue localization, developmental and age-associated changes, and conditions of health and disease shape the immune response, as well as how improved understanding of interindividual and tissue-specific immunity can be leveraged for developing targeted therapeutics.
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Affiliation(s)
- Maya M.L. Poon
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, NY 10032, USA
- Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA
| | - Donna L. Farber
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, NY 10032, USA
- Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA
- Department of Surgery, Columbia University Medical Center, New York, NY 10032, USA
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35
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Gallais Sérézal I, Cheuk S, Martini E, Eidsmo L. Cellular scars and local crosstalk in relapsing psoriasis: an example of a skin sticking disease. Scand J Immunol 2020; 92:e12953. [PMID: 32757303 PMCID: PMC7685142 DOI: 10.1111/sji.12953] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/14/2020] [Accepted: 07/29/2020] [Indexed: 12/22/2022]
Abstract
Psoriasis is an inflammatory disease that arises in genetically predisposed individuals. Chronic skin lesions that contain activated immune cells can persist for years. Systemic inhibition of TNF, IL‐17 and IL‐23 cytokines has revolutionized psoriasis care during the recent decades. Unfortunately, local relapse of disease is common at previously inflamed sites after cessation of treatment. This highlights that fundamental pathologic alterations of the affected tissues are not completely resolved during clinical remission. Here, we present arguments for a local disease memory located in both dermis and epidermis in psoriasis skin. We decipher different cellular components and intercellular crosstalk that sustain local disease memory and amplify disease relapse in human psoriasis. Decrypting the mechanisms underlying the establishment and persistence of pathogenic memory cells in resolved psoriasis may provide new therapeutic perspectives aimed at long‐term remission of psoriasis.
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Affiliation(s)
- Irène Gallais Sérézal
- Department of Medicine, Unit of Rheumatology Karolinska Institutet Solna, Stockholm, Sweden.,Department of Dermatology, Besançon University Hospital, Besançon, France
| | - Stanley Cheuk
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden.,Department of Paediatrics, University of Oxford, Oxford, UK
| | - Elisa Martini
- Department of Medicine, Unit of Rheumatology Karolinska Institutet Solna, Stockholm, Sweden
| | - Liv Eidsmo
- Department of Medicine, Unit of Rheumatology Karolinska Institutet Solna, Stockholm, Sweden.,Diagnostiskt Centrum Hud, Stockholm, Sweden
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36
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Iberg CA, Hawiger D. Natural and Induced Tolerogenic Dendritic Cells. THE JOURNAL OF IMMUNOLOGY 2020; 204:733-744. [PMID: 32015076 DOI: 10.4049/jimmunol.1901121] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 10/04/2019] [Indexed: 11/19/2022]
Abstract
Dendritic cells (DCs) are highly susceptible to extrinsic signals that modify the functions of these crucial APCs. Maturation of DCs induced by diverse proinflammatory conditions promotes immune responses, but certain signals also induce tolerogenic functions in DCs. These "induced tolerogenic DCs" help to moderate immune responses such as those to commensals present at specific anatomical locations. However, also under steady-state conditions, some DCs are characterized by inherent tolerogenic properties. The immunomodulatory mechanisms constitutively present in such "natural tolerogenic DCs" help to promote tolerance to peripheral Ags. By extending tolerance initially established in the thymus, these functions of DCs help to regulate autoimmune and other immune responses. In this review we will discuss the mechanisms and functions of natural and induced tolerogenic DCs and offer further insight into how their possible manipulations may ultimately lead to more precise treatments for various immune-mediated conditions and diseases.
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Affiliation(s)
- Courtney A Iberg
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104
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He H, Suryawanshi H, Morozov P, Gay-Mimbrera J, Del Duca E, Kim HJ, Kameyama N, Estrada Y, Der E, Krueger JG, Ruano J, Tuschl T, Guttman-Yassky E. Single-cell transcriptome analysis of human skin identifies novel fibroblast subpopulation and enrichment of immune subsets in atopic dermatitis. J Allergy Clin Immunol 2020; 145:1615-1628. [DOI: 10.1016/j.jaci.2020.01.042] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 01/15/2020] [Accepted: 01/21/2020] [Indexed: 12/18/2022]
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38
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Caër C, Wick MJ. Human Intestinal Mononuclear Phagocytes in Health and Inflammatory Bowel Disease. Front Immunol 2020; 11:410. [PMID: 32256490 PMCID: PMC7093381 DOI: 10.3389/fimmu.2020.00410] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/21/2020] [Indexed: 12/18/2022] Open
Abstract
Inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis, is a complex immune-mediated disease of the gastrointestinal tract that increases morbidity and negatively influences the quality of life. Intestinal mononuclear phagocytes (MNPs) have a crucial role in maintaining epithelial barrier integrity while controlling pathogen invasion by activating an appropriate immune response. However, in genetically predisposed individuals, uncontrolled immune activation to intestinal flora is thought to underlie the chronic mucosal inflammation that can ultimately result in IBD. Thus, MNPs are involved in fine-tuning mucosal immune system responsiveness and have a critical role in maintaining homeostasis or, potentially, the emergence of IBD. MNPs include monocytes, macrophages and dendritic cells, which are functionally diverse but highly complementary. Despite their crucial role in maintaining intestinal homeostasis, specific functions of human MNP subsets are poorly understood, especially during diseases such as IBD. Here we review the current understanding of MNP ontogeny, as well as the recently identified human intestinal MNP subsets, and discuss their role in health and IBD.
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Affiliation(s)
- Charles Caër
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Mary Jo Wick
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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Chen YL, Gomes T, Hardman CS, Vieira Braga FA, Gutowska-Owsiak D, Salimi M, Gray N, Duncan DA, Reynolds G, Johnson D, Salio M, Cerundolo V, Barlow JL, McKenzie AN, Teichmann SA, Haniffa M, Ogg G. Re-evaluation of human BDCA-2+ DC during acute sterile skin inflammation. J Exp Med 2020; 217:e20190811. [PMID: 31845972 PMCID: PMC7062525 DOI: 10.1084/jem.20190811] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 09/01/2019] [Accepted: 11/12/2019] [Indexed: 12/24/2022] Open
Abstract
Plasmacytoid dendritic cells (pDCs) produce type I interferon (IFN-I) and are traditionally defined as being BDCA-2+CD123+. pDCs are not readily detectable in healthy human skin, but have been suggested to accumulate in wounds. Here, we describe a CD1a-bearing BDCA-2+CD123int DC subset that rapidly infiltrates human skin wounds and comprises a major DC population. Using single-cell RNA sequencing, we show that these cells are largely activated DCs acquiring features compatible with lymph node homing and antigen presentation, but unexpectedly express both BDCA-2 and CD123, potentially mimicking pDCs. Furthermore, a third BDCA-2-expressing population, Axl+Siglec-6+ DCs (ASDC), was also found to infiltrate human skin during wounding. These data demonstrate early skin infiltration of a previously unrecognized CD123intBDCA-2+CD1a+ DC subset during acute sterile inflammation, and prompt a re-evaluation of previously ascribed pDC involvement in skin disease.
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Affiliation(s)
- Yi-Ling Chen
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Tomas Gomes
- Wellcome Sanger Institute, Hinxton, Cambridge, UK
| | - Clare S. Hardman
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Felipe A. Vieira Braga
- Wellcome Sanger Institute, Hinxton, Cambridge, UK
- Open Targets, Wellcome Trust Genome Campus, Hinxton, UK
| | - Danuta Gutowska-Owsiak
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- University of Gdańsk, Intercollegiate Faculty of Biotechnology of University of Gdańsk and Medical University of Gdańsk, Gdańsk, Poland
| | - Maryam Salimi
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Nicki Gray
- Centre for Computational Biology, Weatherall Institute of Molecular Medicine, Oxford, UK
| | - David A. Duncan
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, UK
| | | | - David Johnson
- Department of Plastic and Reconstructive Surgery, John Radcliffe Hospital, Oxford University Hospitals National Health Services Foundation Trust, Oxford, UK
| | - Mariolina Salio
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Vincenzo Cerundolo
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jillian L. Barlow
- Medical Research Council Laboratory of Molecular Biology, Cambridge, UK
| | | | - Sarah A. Teichmann
- Wellcome Sanger Institute, Hinxton, Cambridge, UK
- Theory of Condensed Matter, Cavendish Laboratory, Department of Physics, University of Cambridge, Cambridge, UK
| | - Muzlifah Haniffa
- Wellcome Sanger Institute, Hinxton, Cambridge, UK
- Institute of Cellular Medicine, Newcastle, UK
- Department of Dermatology and National Institute for Health Research Newcastle Biomedical Research Centre, Newcastle Hospitals National Health Services Foundation Trust, Newcastle upon Tyne, UK
| | - Graham Ogg
- Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, Oxford National Institute for Health Research Biomedical Research Centre, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
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Xue D, Tabib T, Morse C, Lafyatis R. Transcriptome landscape of myeloid cells in human skin reveals diversity, rare populations and putative DC progenitors. J Dermatol Sci 2019; 97:41-49. [PMID: 31836271 DOI: 10.1016/j.jdermsci.2019.11.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 11/08/2019] [Accepted: 11/25/2019] [Indexed: 01/21/2023]
Abstract
BACKGROUND The heterogeneous functions of dermal myeloid cells in antigen presentation, and scavenging pathogens and cell debris places them centrally in cutaneous inflammation. Single cell transcriptomics can provide new understanding of the heterogeneity and function of yet incompletely understood human dermal myeloid cell subsets. OBJECTIVE Investigate the transcriptome landscape of myeloid cells in healthy human skin. METHODS Single cell RNA-sequencing was performed on skin biopsies from ten healthy donors and analyzed to identify myeloid cell populations. RESULTS One LIN- HLA-DR+ cluster with expression of myeloid-specific genes was identified as a cluster of myeloid cells. Upon reanalysis of this cluster, we identified three macrophage subsets, marked by high expression of CCR1, MARCO or TREM2; and six dendritic cell subsets, marked by high expression of CLEC9A, CXorf21, MCOLN2, LAMP3, KIAA0101 and Langerin, representing respectively cDC1, two subsets of cDC2, a novel DC type, a cluster of proliferating DC, and a Langerhans cell subset. GO term analysis indicated specialized functions for the discrete rare populations of myeloid cells: TREM2 Mφ in lipid metabolism and LAMP3 DC as a mature cDC. Proliferating DCs appeared to represent cDC2 progenitors. CONCLUSION The transcriptional landscape of myeloid cell populations in human skin indicates several, novel populations with specialized functions, as well as a rare proliferating DC population that likely accounts for local regeneration or expansion of dermal DCs. We provide robust gene expression markers for each of these populations that should permit better understandings of their roles in various homeostatic and pathologic immune processes in the skin.
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Affiliation(s)
- Dan Xue
- Division of Rheumatology and Clinical Rheumatology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tracy Tabib
- Division of Rheumatology and Clinical Rheumatology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Christina Morse
- Division of Rheumatology and Clinical Rheumatology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Robert Lafyatis
- Division of Rheumatology and Clinical Rheumatology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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41
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Amon L, Lehmann CHK, Baranska A, Schoen J, Heger L, Dudziak D. Transcriptional control of dendritic cell development and functions. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2019; 349:55-151. [PMID: 31759434 DOI: 10.1016/bs.ircmb.2019.10.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Dendritic cells (DCs) are major regulators of adaptive immunity, as they are not only capable to induce efficient immune responses, but are also crucial to maintain peripheral tolerance and thereby inhibit autoimmune reactions. DCs bridge the innate and the adaptive immune system by presenting peptides of self and foreign antigens as peptide MHC complexes to T cells. These properties render DCs as interesting target cells for immunomodulatory therapies in cancer, but also autoimmune diseases. Several subsets of DCs with special properties and functions have been described. Recent achievements in understanding transcriptional programs on single cell level, together with the generation of new murine models targeting specific DC subsets, advanced our current understanding of DC development and function. Thus, DCs arise from precursor cells in the bone marrow with distinct progenitor cell populations splitting the monocyte populations and macrophage populations from the DC lineage, which upon lineage commitment can be separated into conventional cDC1, cDC2, and plasmacytoid DCs (pDCs). The DC populations harbor intrinsic programs enabling them to react for specific pathogens in dependency on the DC subset, and thereby orchestrate T cell immune responses. Similarities, but also varieties, between human and murine DC subpopulations are challenging, and will require further investigation of human specimens under consideration of the influence of the tissue micromilieu and DC subset localization in the future.
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Affiliation(s)
- Lukas Amon
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Christian H K Lehmann
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Anna Baranska
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Janina Schoen
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Lukas Heger
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Diana Dudziak
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany.
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Ferraro A, Buonocore SM, Auquier P, Nicolas I, Wallemacq H, Boutriau D, van der Most RG. Role and plasticity of Th1 and Th17 responses in immunity to Staphylococcus aureus. Hum Vaccin Immunother 2019; 15:2980-2992. [PMID: 31149870 PMCID: PMC6930085 DOI: 10.1080/21645515.2019.1613126] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The human commensal Staphylococcus aureus (SA) is a leading cause of skin/soft tissue and surgical-site infections, and bacteremia. Functional antibodies and T-cell-mediated immunity, particularly Th1/Th17 responses, are thought to mediate protection. Vaccine development may be hindered by modulation of vaccine-induced T cells by pathogen-activated immunoregulatory responses, e.g., via IL-10.We screened SA proteins for CD4+ T-cell-activating and IL-10/IL-17-inducing capacities using healthy donor-derived PBMCs. Responses were characterized (Th1/Th17/Th22/immunosuppressive IL-10-producing cells) using intracellular cytokine staining and flow cytometry. Phenotypic plasticity of Th1/Th17 cells was evaluated under pro- or anti-inflammatory conditions using modulatory cytokines. The impact of vaccination on SA-specific memory responses was assessed using samples from a clinical trial evaluating AS03-adjuvanted and non-adjuvanted multicomponent (CPS5/CPS8/α-toxin/ClfA) vaccines (NCT01160172).The donors exhibited SA-specific memory T-cell responses, indicative of pre-existing immunity to SA. We identified effective activators of Th1 responses (EbhA/IsaA/SdrE/MntC/Aaa/α-toxin), and Th17 and Th1/Th17 responses (EbhA/IsaA/SdrE and, to a lesser extent, α-toxin), but not of Th22 responses or IL-10 production. MRPII, IsdA, and ClfA were inefficient CD4+ T-cell activators in our assays. IL-10, likely produced by innate immune cells, influenced mainly Th1 cells by suppressing IFN-γ production. The memory CD4+ T-cells observed after long-term stimulation with α-toxin and ClfA indicated that vaccination with these proteins had induced expansion of pre-existing Th1 but not Th17 responses, without apparent adjuvant effect, confirming the trial data. The Th1/Th17-driving proteins (EbhA/IsaA/SdrE) shared low IL-10-promoting abilities and restricted phenotypic plasticity under pro- and anti-inflammatory conditions.Given the complex immunopathology and multiple virulence factors, identification of Th1/Th17-driving antigens, adjuvants and administration routes, and delineation of the role of memory responses, may advance vaccine development.
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43
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Ritprajak P, Kaewraemruaen C, Hirankarn N. Current Paradigms of Tolerogenic Dendritic Cells and Clinical Implications for Systemic Lupus Erythematosus. Cells 2019; 8:cells8101291. [PMID: 31640263 PMCID: PMC6830089 DOI: 10.3390/cells8101291] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/05/2019] [Accepted: 10/16/2019] [Indexed: 12/12/2022] Open
Abstract
Tolerogenic dendritic cells (tolDCs) are central players in the initiation and maintenance of immune tolerance and subsequent prevention of autoimmunity. Recent advances in treatment of autoimmune diseases including systemic lupus erythematosus (SLE) have focused on inducing specific tolerance to avoid long-term use of immunosuppressive drugs. Therefore, DC-targeted therapies to either suppress DC immunogenicity or to promote DC tolerogenicity are of high interest. This review describes details of the typical characteristics of in vivo and ex vivo tolDC, which will help to select a protocol that can generate tolDC with high functional quality for clinical treatment of autoimmune disease in individual patients. In addition, we discuss the recent studies uncovering metabolic pathways and their interrelation intertwined with DC tolerogenicity. This review also highlights the clinical implications of tolDC-based therapy for SLE treatment, examines the current clinical therapeutics in patients with SLE, which can generate tolDC in vivo, and further discusses on possibility and limitation on each strategy. This synthesis provides new perspectives on development of novel therapeutic approaches for SLE and other autoimmune diseases.
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Affiliation(s)
- Patcharee Ritprajak
- Research Unit in Integrative Immuno-Microbial Biochemistry and Bioresponsive Nanomaterials, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand.
- Department of Microbiology, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Chamraj Kaewraemruaen
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Nattiya Hirankarn
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok 10330, Thailand.
- Immunology Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.
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44
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Gulubova M. Myeloid and Plasmacytoid Dendritic Cells and Cancer - New Insights. Open Access Maced J Med Sci 2019; 7:3324-3340. [PMID: 31949539 PMCID: PMC6953922 DOI: 10.3889/oamjms.2019.735] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 02/06/2023] Open
Abstract
Dendritic cells (DCs) use effective mechanisms to combat antigens and to bring about adaptive immune responses through their ability to stimulate näive T cells. At present, four major cell types are categorised as DCs: Classical or conventional (cDCs), Plasmacytoid (pDCs), Langerhans cells (LCs), and monocyte-derived DCs (Mo-DCs). It was suggested that pDCs, CD1c+ DCs and CD141+ DCs in humans are equivalent to mouse pDCs, CD11b+ DCs and CD8α+ DCs, respectively. Human CD141+ DCs compared to mouse CD8α+ DCs have remarkable functional and transcriptomic similarities. Characteristic markers, transcription factors, toll-like receptors, T helpers (Th) polarisation, cytokines, etc. of DCs are discussed in this review. Major histocompatibility complex (MHC) I and II antigen presentation, cross-presentation and Th polarisation are defined, and the dual role of DCs in the tumour is discussed. Human DCs are the main immune cells that orchestrate the immune response in the tumour microenvironment.
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Affiliation(s)
- Maya Gulubova
- Department of General and Clinical Pathology, Medical Faculty, Trakia University, Stara Zagora, Bulgaria
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45
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Major Differences in Expression of Inflammatory Pathways in Skin from Different Body Sites of Healthy Individuals. J Invest Dermatol 2019; 139:2228-2232.e10. [DOI: 10.1016/j.jid.2019.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/29/2019] [Accepted: 04/02/2019] [Indexed: 02/01/2023]
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46
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Balan S, Saxena M, Bhardwaj N. Dendritic cell subsets and locations. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2019; 348:1-68. [PMID: 31810551 DOI: 10.1016/bs.ircmb.2019.07.004] [Citation(s) in RCA: 174] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Dendritic cells (DCs) are a unique class of immune cells that act as a bridge between innate and adaptive immunity. The discovery of DCs by Cohen and Steinman in 1973 laid the foundation for DC biology, and the advances in the field identified different versions of DCs with unique properties and functions. DCs originate from hematopoietic stem cells, and their differentiation is modulated by Flt3L. They are professional antigen-presenting cells that patrol the environmental interphase, sites of infection, or infiltrate pathological tissues looking for antigens that can be used to activate effector cells. DCs are critical for the initiation of the cellular and humoral immune response and protection from infectious diseases or tumors. DCs can take up antigens using specialized surface receptors such as endocytosis receptors, phagocytosis receptors, and C type lectin receptors. Moreover, DCs are equipped with an array of extracellular and intracellular pattern recognition receptors for sensing different danger signals. Upon sensing the danger signals, DCs get activated, upregulate costimulatory molecules, produce various cytokines and chemokines, take up antigen and process it and migrate to lymph nodes where they present antigens to both CD8 and CD4 T cells. DCs are classified into different subsets based on an integrated approach considering their surface phenotype, expression of unique and conserved molecules, ontogeny, and functions. They can be broadly classified as conventional DCs consisting of two subsets (DC1 and DC2), plasmacytoid DCs, inflammatory DCs, and Langerhans cells.
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Affiliation(s)
- Sreekumar Balan
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
| | - Mansi Saxena
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Nina Bhardwaj
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Parker Institute for Cancer Immunotherapy, San Francisco, CA, United States
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47
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Awuah D, Alobaid M, Latif A, Salazar F, Emes RD, Ghaemmaghami AM. The Cross-Talk between miR-511-3p and C-Type Lectin Receptors on Dendritic Cells Affects Dendritic Cell Function. THE JOURNAL OF IMMUNOLOGY 2019; 203:148-157. [PMID: 31118225 DOI: 10.4049/jimmunol.1801108] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 04/29/2019] [Indexed: 12/20/2022]
Abstract
MicroRNAs are small, noncoding RNAs that function as posttranscriptional modulators of gene expression by binding target mRNAs and inhibiting translation. They are therefore crucial regulators of several biological as well as immunological events. Recently, miR-511-3p has been implicated in the development and differentiation of APCs, such as dendritic cells (DCs), and regulating several human diseases. Interestingly, miR-511-3p is embedded within the human MRC1 gene that encodes the mannose receptor. In this study, we sought to examine the impact of miR-511-3p up- or downregulation on human DC surface phenotype, cytokine profile, immunogenicity (using IDO activity as a surrogate), and downstream T cell polarization. Using gene silencing and a selection of microRNA mimics, we could successfully suppress or induce the expression of miR-511-3p in DCs. Consequently, we show for the first time, to our knowledge, that inhibition and/or overexpression of miR-511-3p has opposing effects on the expression levels of two key C-type lectin receptors, namely the mannose receptor and DC-specific ICAM 3 nonintegrin at protein and mRNA levels, thereby affecting C-type lectin receptor-induced modulation of IDO activity in DCs. Furthermore, we show that downregulation of miR-511-3p drives an anti-inflammatory DC response characterized by IL-10 production. Interestingly, the miR-511-3plow DCs also promoted IL-4 secretion and suppressed IL-17 in cocultures with autologous T cells. Together, our data highlight the potential role of miR-511 in regulating DC function and downstream events leading to Th polarization and immune modulation.
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Affiliation(s)
- Dennis Awuah
- Division of Immunology, School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Meshal Alobaid
- Division of Immunology, School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Arsalan Latif
- Division of Immunology, School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Fabián Salazar
- Division of Immunology, School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Richard D Emes
- School of Veterinary Medicine and Science, University of Nottingham, Leicestershire LE12 5NT, United Kingdom; and.,Advanced Data Analysis Centre, University of Nottingham, Leicestershire LE12 5NT, United Kingdom
| | - Amir M Ghaemmaghami
- Division of Immunology, School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, United Kingdom;
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48
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Rhodes JW, Tong O, Harman AN, Turville SG. Human Dendritic Cell Subsets, Ontogeny, and Impact on HIV Infection. Front Immunol 2019; 10:1088. [PMID: 31156637 PMCID: PMC6532592 DOI: 10.3389/fimmu.2019.01088] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 04/29/2019] [Indexed: 12/18/2022] Open
Abstract
Dendritic cells (DCs) play important roles in orchestrating host immunity against invading pathogens, representing one of the first responders to infection by mucosal invaders. From their discovery by Ralph Steinman in the 1970s followed shortly after with descriptions of their in vivo diversity and distribution by Derek Hart, we are still continuing to progressively elucidate the spectrum of DCs present in various anatomical compartments. With the power of high-dimensional approaches such as single-cell sequencing and multiparameter cytometry, recent studies have shed new light on the identities and functions of DC subtypes. Notable examples include the reclassification of plasmacytoid DCs as purely interferon-producing cells and re-evaluation of intestinal conventional DCs and macrophages as derived from monocyte precursors. Collectively, these observations have changed how we view these cells not only in steady-state immunity but also during disease and infection. In this review, we will discuss the current landscape of DCs and their ontogeny, and how this influences our understanding of their roles during HIV infection.
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Affiliation(s)
- Jake William Rhodes
- Centre for Virus Research, The Westmead Institute for Medical Research, Sydney, NSW, Australia.,Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Orion Tong
- Centre for Virus Research, The Westmead Institute for Medical Research, Sydney, NSW, Australia
| | - Andrew Nicholas Harman
- Centre for Virus Research, The Westmead Institute for Medical Research, Sydney, NSW, Australia.,Discipline of Applied Medical Sciences, School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Stuart Grant Turville
- University of New South Wales, Sydney, NSW, Australia.,Kirby Institute, Kensington, NSW, Australia
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49
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Wang L, Fan J, Ye W, Han J, Zhang Y, Zhao L, Duan J, Yin D, Yi Y. The Expression of ILT4 in Myeloid Dendritic Cells in Patients with Hepatocellular Carcinoma. Immunol Invest 2019; 48:704-718. [PMID: 31044626 DOI: 10.1080/08820139.2019.1571507] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Immunoglobulin-like transcript (ILT) 4 is an inhibitory immune receptor of the immunoglobulin superfamily, which could deliver inhibitory signals and induce immunosuppression. The significance of the expression of ILT4 in mDCs subsets in patients with hepatocellular carcinoma (HCC) remains unclear. In this study, the frequency of mDCs subsets in the peripheral blood of 121 patients with HCC and 103 normal controls, and in the tumor and tumor free liver tissues (TFL) of 43 HCC patients was analyzed by flow cytometry. Then, the expressions of ILT4 in mDCs subsets in the microenvironment of liver cancer were also analyzed. Results showed that the percentage of CD1c+ subset was dramatically decreased in peripheral blood mononuclear cells (PBMCs) of HCC patients compared with normal controls, and also significantly decreased in tumor tissue compared with the TFL. The decreased of CD1c+ subset in blood could be a diagnostic factor for HCC with the area under the receiver operating characteristic curve 0.975 (P < 0.01). The percentage of ILT4+CD1c+ subset was dramatically increased in tumor than that of TFL and blood. There were significant correlations between the percentage of ILT4+ in CD1c+ subset in tumor and that of in blood. The percentage of ILT4+CD1c+ subset in tumor tissue was strongly associated with the Edmondson-Steiner stage in HCC (P = 0.03). Furthermore, the capacity of ILT4+CD1c+ subset producing IFN-γ was lower than ILT4- CD1c subset in PBMC of HCC patients following Poly I:C stimulation. Taken together, the increased ILT4+CD1c+ subset in tumor tissue might play an important role in immune suppression for patients with HCC.
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Affiliation(s)
- Lili Wang
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Jing Fan
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Wei Ye
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Jianbo Han
- Department of Hepatobiliary Surgery, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Yufeng Zhang
- Department of Hepatobiliary Surgery, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Liang Zhao
- Department of Hepatobiliary Surgery, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Jie Duan
- Department of Hepatobiliary Surgery, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Dandan Yin
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Yongxiang Yi
- Department of Hepatobiliary Surgery, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine , Nanjing , PR China
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50
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Findlay EG, Currie AJ, Zhang A, Ovciarikova J, Young L, Stevens H, McHugh BJ, Canel M, Gray M, Milling SWF, Campbell JDM, Savill J, Serrels A, Davidson DJ. Exposure to the antimicrobial peptide LL-37 produces dendritic cells optimized for immunotherapy. Oncoimmunology 2019; 8:1608106. [PMID: 31413918 PMCID: PMC6682359 DOI: 10.1080/2162402x.2019.1608106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 03/13/2019] [Indexed: 12/14/2022] Open
Abstract
Immunization of patients with autologous, ex vivo matured dendritic cell (DC) preparations, in order to prime antitumor T-cell responses, is the focus of intense research. Despite progress and approval of clinical approaches, significant enhancement of these personalized immunotherapies is urgently needed to improve efficacy. We show that immunotherapeutic murine and human DC, generated in the presence of the antimicrobial host defense peptide LL-37, have dramatically enhanced expansion and differentiation of cells with key features of the critical CD103+/CD141+ DC subsets, including enhanced cross-presentation and co-stimulatory capacity, and upregulation of CCR7 with improved migratory capacity. These LL-37-DC enhanced proliferation, activation and cytokine production by CD8+ (but not CD4+) T cells in vitro and in vivo. Critically, tumor antigen-presenting LL-37-DC increased migration of primed, activated CD8+ T cells into established squamous cell carcinomas in mice, and resulted in tumor regression. This advance therefore has the potential to dramatically enhance DC immunotherapy protocols.
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Affiliation(s)
- Emily Gwyer Findlay
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Andrew J Currie
- School of Veterinary and Life Sciences, Murdoch University, Perth, Western Australia, Australia
| | - Ailiang Zhang
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Jana Ovciarikova
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Lisa Young
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Holly Stevens
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Brian J McHugh
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Marta Canel
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Mohini Gray
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Simon W F Milling
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - John D M Campbell
- Scottish National Blood Transfusion Service, Heriot Watt Research Park, Edinburgh, UK
| | - John Savill
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Alan Serrels
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK
| | - Donald J Davidson
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, Edinburgh, UK.,School of Veterinary and Life Sciences, Murdoch University, Perth, Western Australia, Australia
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