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Yi M, Li T, Niu M, Zhang H, Wu Y, Wu K, Dai Z. Targeting cytokine and chemokine signaling pathways for cancer therapy. Signal Transduct Target Ther 2024; 9:176. [PMID: 39034318 PMCID: PMC11275440 DOI: 10.1038/s41392-024-01868-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/30/2024] [Accepted: 05/11/2024] [Indexed: 07/23/2024] Open
Abstract
Cytokines are critical in regulating immune responses and cellular behavior, playing dual roles in both normal physiology and the pathology of diseases such as cancer. These molecules, including interleukins, interferons, tumor necrosis factors, chemokines, and growth factors like TGF-β, VEGF, and EGF, can promote or inhibit tumor growth, influence the tumor microenvironment, and impact the efficacy of cancer treatments. Recent advances in targeting these pathways have shown promising therapeutic potential, offering new strategies to modulate the immune system, inhibit tumor progression, and overcome resistance to conventional therapies. In this review, we summarized the current understanding and therapeutic implications of targeting cytokine and chemokine signaling pathways in cancer. By exploring the roles of these molecules in tumor biology and the immune response, we highlighted the development of novel therapeutic agents aimed at modulating these pathways to combat cancer. The review elaborated on the dual nature of cytokines as both promoters and suppressors of tumorigenesis, depending on the context, and discussed the challenges and opportunities this presents for therapeutic intervention. We also examined the latest advancements in targeted therapies, including monoclonal antibodies, bispecific antibodies, receptor inhibitors, fusion proteins, engineered cytokine variants, and their impact on tumor growth, metastasis, and the tumor microenvironment. Additionally, we evaluated the potential of combining these targeted therapies with other treatment modalities to overcome resistance and improve patient outcomes. Besides, we also focused on the ongoing research and clinical trials that are pivotal in advancing our understanding and application of cytokine- and chemokine-targeted therapies for cancer patients.
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Affiliation(s)
- Ming Yi
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, People's Republic of China
| | - Tianye Li
- Department of Gynecology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310000, People's Republic of China
| | - Mengke Niu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Haoxiang Zhang
- Department of Hepatopancreatobiliary Surgery, Fujian Provincial Hospital, Fuzhou, 350001, People's Republic of China
| | - Yuze Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
| | - Zhijun Dai
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, People's Republic of China.
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Cammarata I, Pinna V, Pacella I, Rotella I, Soresina A, Badolato R, Plebani A, Pignata C, Cirillo E, Zicari AM, Violi F, Carnevale R, Loffredo L, Piconese S. In adult X-CGD patients, regulatory T cells are expanded while activated T cells display a NOX2-independent ROS increase. Immunol Lett 2024; 266:106839. [PMID: 38309375 DOI: 10.1016/j.imlet.2024.106839] [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: 08/03/2023] [Revised: 01/19/2024] [Accepted: 01/31/2024] [Indexed: 02/05/2024]
Abstract
The X-linked chronic granulomatous disease (X-CGD), a rare genetic disease characterised by recurrent infections, is caused by mutations of NOX2. Significant proportions of X-CGD patients display signs of immune dysregulation. Regulatory T cells (Tregs) are CD4+T lymphocytes that expand in active inflammation and prevent autoimmune disorders. Here we asked whether X-CGD is associated to Treg dysfunctions in adult patients. To this aim, the frequency of Tregs was analysed through intracellular flow cytometry in a cohort of adult X-CGD patients, carriers and controls. We found that Tregs were significantly expanded and activated in blood of adult X-CGD patients, and this was associated with activation of conventional CD4+T cells (Tconvs). T cell activation was characterised by accumulation of intracellular ROS, not derived from NOX2 but likely produced by cellular metabolism. The higher TNF production by Tconvs in X-CGD patients might contribute to the expansion of Tregs through the TNFR2 receptor. In summary, our data indicate that Tregs expand in adult X-CGD in response to immune activation, and that the increase of NOX2-independent ROS content is a feature of activated T cells.
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Affiliation(s)
- Ilenia Cammarata
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy; Neuroimmunology Unit, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Valeria Pinna
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Ilenia Pacella
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Ivano Rotella
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Annarosa Soresina
- Department of Clinical and Experimental Sciences, Paediatrics Clinic and Institute for Molecular Medicine A. Nocivelli, ASST-Spedali Civili of Brescia, University of Brescia, Brescia, Italy
| | - Raffaele Badolato
- Department of Clinical and Experimental Sciences, Paediatrics Clinic and Institute for Molecular Medicine A. Nocivelli, ASST-Spedali Civili of Brescia, University of Brescia, Brescia, Italy
| | - Alessandro Plebani
- Department of Clinical and Experimental Sciences, Paediatrics Clinic and Institute for Molecular Medicine A. Nocivelli, ASST-Spedali Civili of Brescia, University of Brescia, Brescia, Italy
| | - Claudio Pignata
- Department of Translational Medical Sciences - Section of Pediatrics, Federico II University of Naples, Naples, Italy
| | - Emilia Cirillo
- Department of Translational Medical Sciences - Section of Pediatrics, Federico II University of Naples, Naples, Italy
| | - Anna Maria Zicari
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Francesco Violi
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy; Mediterranea Cardiocentro-Napoli, Naples, Italy
| | - Roberto Carnevale
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy; IRCCS Neuromed, Località Camerelle, Pozzilli, Italy
| | - Lorenzo Loffredo
- Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
| | - Silvia Piconese
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy; Neuroimmunology Unit, IRCCS Fondazione Santa Lucia, Rome, Italy; Laboratory Affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy.
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Nowag B, Schäfer D, Hengl T, Corduff N, Goldie K. Biostimulating fillers and induction of inflammatory pathways: A preclinical investigation of macrophage response to calcium hydroxylapatite and poly-L lactic acid. J Cosmet Dermatol 2024; 23:99-106. [PMID: 37593832 DOI: 10.1111/jocd.15928] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/02/2023] [Accepted: 06/29/2023] [Indexed: 08/19/2023]
Abstract
INTRODUCTION Initial macrophage response to biostimulatory substances is key in determining the subsequent behavior of fibroblasts and the organization of newly synthesized collagen. Though histological studies suggest that calcium hydroxylapatite (CaHA) filler initiates a regenerative healing response with collagen and elastin deposition similar to natural, healthy tissue rather than an inflammatory response with fibrosis, the relative activity of macrophages stimulated by CaHA, as well as how this activity compares to that induced by other biostimulatory fillers, has not been explored. The aim of the study is to characterize the in vitro macrophage response to two biostimulory fillers, CaHA and PLLA (poly-L lactic acid), and to evaluate their inflammatory potential. METHODS Primary human macrophages were incubated with two dilutions (1:50 and 1:100) of commercially available CaHA or PLLA. After 24 h incubation, an inflammation array was used to screen for the expression of 40 cytokines, released by macrophages. ELISA was used to confirm array results. RESULTS Four cytokines were significantly upregulated in M1 macrophages incubated with PLLA compared to both unstimulated controls and CaHA: CCL1 (p < 0.001), TNFRII (p < 0.01), MIP-1α (p < 0.05), and IL-8 (p < 0.001). In M2 macrophages, MIP-1α (p < 0.01) and MIP-1β (p < 0.01) were significantly upregulated by PLLA compared to CaHA and unstimulated controls. CONCLUSION Together, these findings indicate that the CaHA mode of action is a non-inflammatory response while PLLA initiates expression of several cytokines known to play a role in inflammation. Our study supports the concept that these two "biostimulatory" fillers follow distinct pathways and should be considered individually with regard to mechanism of action.
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Affiliation(s)
| | | | - Thomas Hengl
- R&D, Merz Aesthetics GmbH, Frankfurt am Main, Germany
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Thakkar S, Chopra A, Nagendra L, Kalra S, Bhattacharya S. Teplizumab in Type 1 Diabetes Mellitus: An Updated Review. TOUCHREVIEWS IN ENDOCRINOLOGY 2023; 19:22-30. [PMID: 38187075 PMCID: PMC10769466 DOI: 10.17925/ee.2023.19.2.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/01/2023] [Indexed: 01/09/2024]
Abstract
Type 1 diabetes mellitus (T1DM) is a chronic autoimmune condition characterized by the irreversible destruction of the β cells of the pancreas, which leads to a lifelong dependency on exogenous insulin. Despite the advancements in insulin delivery methods, the suboptimal outcomes of these methods have triggered the search for therapies that may prevent or reverse the disease. Given the autoimmune aetiology of T1DM, therapies counteracting the immune-mediated destruction of the β-cells are the obvious target. Although several treatment strategies have been attempted to target cellular, humoral and innate immunity, very few have had a clinically meaningful impact. Of all the available immunomodulatory agents, cluster of differentiation (CD) 3 antibodies have exhibited the most promising preclinical and clinical results. Muromonab-CD3, which also happened to be a murine CD3 antibody, was the first monoclonal antibody approved for clinical use and was primarily indicated for graft rejection. The adverse effects associated with muromonab-CD3 led to its withdrawal. Teplizumab, a newer CD3 antibody, has a better side-effect profile because of its humanized nature and non-Fc-receptor-binding domain. In November 2022, teplizumab became the first immunomodulatory agent to be licensed by the US Food and Drug Administration for delaying the onset of T1DM in high-risk adults and children over 8 years old. The mechanism seems to be enhancing regulatory T-cell activity and promoting immune tolerance. This article reviews the mechanism of action and the clinical trials of teplizumab in individuals with T1DM or at risk of developing the disease.
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Affiliation(s)
- Simran Thakkar
- Department of Endocrinology, Indraprastha Apollo Hospitals, New Delhi, India
| | - Aditi Chopra
- Department of Endocrinology, Manipal Hospital, Bengaluru, India
| | | | - Sanjay Kalra
- Department of Endocrinology, Bharti Hospital, Karnal, Haryana, India
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Sun F, Yang CL, Wang FX, Rong SJ, Luo JH, Lu WY, Yue TT, Wang CY, Liu SW. Pancreatic draining lymph nodes (PLNs) serve as a pathogenic hub contributing to the development of type 1 diabetes. Cell Biosci 2023; 13:156. [PMID: 37641145 PMCID: PMC10464122 DOI: 10.1186/s13578-023-01110-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023] Open
Abstract
Type 1 diabetes (T1D) is a chronic, progressive autoinflammatory disorder resulting from the breakdown of self-tolerance and unrestrained β cell-reactive immune response. Activation of immune cells is initiated in islet and amplified in lymphoid tissues, especially those pancreatic draining lymph nodes (PLNs). The knowledge of PLNs as the hub of aberrant immune response is continuously being replenished and renewed. Here we provide a PLN-centered view of T1D pathogenesis and emphasize that PLNs integrate signal inputs from the pancreas, gut, viral infection or peripheral circulation, undergo immune remodeling within the local microenvironment and export effector cell components into pancreas to affect T1D progression. In accordance, we suggest that T1D intervention can be implemented by three major ways: cutting off the signal inputs into PLNs (reduce inflammatory β cell damage, enhance gut integrity and control pathogenic viral infections), modulating the immune activation status of PLNs and blocking the outputs of PLNs towards pancreatic islets. Given the dynamic and complex nature of T1D etiology, the corresponding intervention strategy is thus required to be comprehensive to ensure optimal therapeutic efficacy.
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Affiliation(s)
- Fei Sun
- Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chun-Liang Yang
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fa-Xi Wang
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shan-Jie Rong
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia-Hui Luo
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wan-Ying Lu
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tian-Tian Yue
- Devision of Nutrition, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cong-Yi Wang
- Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China.
- NHC Key Laboratory of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Center for Biomedical Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Shi-Wei Liu
- Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China.
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Lee EY, Dai Z, Jaiswal A, Wang EHC, Anandasabapathy N, Christiano AM. Functional interrogation of lymphocyte subsets in alopecia areata using single-cell RNA sequencing. Proc Natl Acad Sci U S A 2023; 120:e2305764120. [PMID: 37428932 PMCID: PMC10629527 DOI: 10.1073/pnas.2305764120] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 06/05/2023] [Indexed: 07/12/2023] Open
Abstract
Alopecia areata (AA) is among the most prevalent autoimmune diseases, but the development of innovative therapeutic strategies has lagged due to an incomplete understanding of the immunological underpinnings of disease. Here, we performed single-cell RNA sequencing (scRNAseq) of skin-infiltrating immune cells from the graft-induced C3H/HeJ mouse model of AA, coupled with antibody-based depletion to interrogate the functional role of specific cell types in AA in vivo. Since AA is predominantly T cell-mediated, we focused on dissecting lymphocyte function in AA. Both our scRNAseq and functional studies established CD8+ T cells as the primary disease-driving cell type in AA. Only the depletion of CD8+ T cells, but not CD4+ T cells, NK, B, or γδ T cells, was sufficient to prevent and reverse AA. Selective depletion of regulatory T cells (Treg) showed that Treg are protective against AA in C3H/HeJ mice, suggesting that failure of Treg-mediated immunosuppression is not a major disease mechanism in AA. Focused analyses of CD8+ T cells revealed five subsets, whose heterogeneity is defined by an "effectorness gradient" of interrelated transcriptional states that culminate in increased effector function and tissue residency. scRNAseq of human AA skin showed that CD8+ T cells in human AA follow a similar trajectory, underscoring that shared mechanisms drive disease in both murine and human AA. Our study represents a comprehensive, systematic interrogation of lymphocyte heterogeneity in AA and uncovers a novel framework for AA-associated CD8+ T cells with implications for the design of future therapeutics.
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Affiliation(s)
- Eunice Y. Lee
- Department of Dermatology, Columbia University Irving Medical Center, New York, NY10032
- Medical Scientist Training Program, Columbia University, New York, NY10032
| | - Zhenpeng Dai
- Department of Dermatology, Columbia University Irving Medical Center, New York, NY10032
| | - Abhinav Jaiswal
- Department of Dermatology, Weill Cornell Medicine, New York, NY10021
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY10065
| | - Eddy Hsi Chun Wang
- Department of Dermatology, Columbia University Irving Medical Center, New York, NY10032
| | - Niroshana Anandasabapathy
- Department of Dermatology, Weill Cornell Medicine, New York, NY10021
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY10065
| | - Angela M. Christiano
- Department of Dermatology, Columbia University Irving Medical Center, New York, NY10032
- Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY10032
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Isildar B, Ozkan S, Ercin M, Gezginci-Oktayoglu S, Oncul M, Koyuturk M. 2D and 3D cultured human umbilical cord-derived mesenchymal stem cell-conditioned medium has a dual effect in type 1 diabetes model in rats: immunomodulation and beta-cell regeneration. Inflamm Regen 2022; 42:55. [PMID: 36451229 PMCID: PMC9710085 DOI: 10.1186/s41232-022-00241-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 11/16/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Type 1 diabetes (T1D) is a T-cell-mediated autoimmune disease characterized by the irreversible destruction of insulin-producing β-cells in pancreatic islets. Helper and cytotoxic T-cells and cytokine production, which is impaired by this process, take a synergetic role in β-cell destruction, and hyperglycemia develops due to insulin deficiency in the body. Mesenchymal stem cells (MSCs) appear like an excellent therapeutic tool for autoimmune diseases with pluripotent, regenerative, and immunosuppressive properties. Paracrine factors released from MSCs play a role in immunomodulation by increasing angiogenesis and proliferation and suppressing apoptosis. In this context, the study aims to investigate the therapeutic effects of MSC's secretomes by conditioned medium (CM) obtained from human umbilical cord-derived MSCs cultured in 2-dimensional (2D) and 3-dimensional (3D) environments in the T1D model. METHODS First, MSCs were isolated from the human umbilical cord, and the cells were characterized. Then, two different CMs were prepared by culturing MSCs in 2D and 3D environments. The CM contents were analyzed in terms of total protein, IL-4, IL-10, IL-17, and IFN-λ. In vivo studies were performed in Sprague-Dawley-type rats with an autoimmune T1D model, and twelve doses of CM were administered intraperitoneally for 4 weeks within the framework of a particular treatment model. In order to evaluate immunomodulation, the Treg population was determined in lymphocytes isolated from the spleen after sacrification, and IL-4, IL-10, IL-17, and IFN-λ cytokines were analyzed in serum. Finally, β-cell regeneration was evaluated immunohistochemically by labeling Pdx1, Nkx6.1, and insulin markers, which are critical for the formation of β-cells. RESULTS Total protein and IL-4 levels were higher in 3D-CM compared to 2D-CM. In vivo results showed that CMs induce the Treg population and regulate cytokine release. When the immunohistochemical results were evaluated together, it was determined that CM application significantly increased the rate of β-cells in the islets. This increase was at the highest level in the 3D-CM applied group. CONCLUSION The dual therapeutic effect of MSC-CM on immunomodulation and homeostasis/regeneration of β-cells in the T1D model has been demonstrated. Furthermore, this effect could be improved by using 3D scaffolds for culturing MSCs while preparing CM.
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Affiliation(s)
- Basak Isildar
- grid.506076.20000 0004 1797 5496Department of Histology and Embryology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Serbay Ozkan
- grid.506076.20000 0004 1797 5496Department of Histology and Embryology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Merve Ercin
- grid.9601.e0000 0001 2166 6619Department of Biology, Molecular Biology Section, Faculty of Science, Istanbul University, Istanbul, Turkey
| | - Selda Gezginci-Oktayoglu
- grid.9601.e0000 0001 2166 6619Department of Biology, Molecular Biology Section, Faculty of Science, Istanbul University, Istanbul, Turkey
| | - Mahmut Oncul
- grid.506076.20000 0004 1797 5496Department of Gynecology and Obstetrics, Cerrahpasa Faculty of Medicine, Istanbul University- Cerrahpasa, Istanbul, Turkey
| | - Meral Koyuturk
- grid.506076.20000 0004 1797 5496Department of Histology and Embryology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
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Skartsis N, Ferreira LMR, Tang Q. The dichotomous outcomes of TNFα signaling in CD4 + T cells. Front Immunol 2022; 13:1042622. [PMID: 36466853 PMCID: PMC9708889 DOI: 10.3389/fimmu.2022.1042622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/03/2022] [Indexed: 09/26/2023] Open
Abstract
TNFa blocking agents were the first-in-class biologic drugs used for the treatment of autoimmune disease. Paradoxically, however, exacerbation of autoimmunity was observed in some patients. TNFa is a pleiotropic cytokine that has both proinflammatory and regulatory effects on CD4+ T cells and can influence the adaptive immune response against autoantigens. Here, we critically appraise the literature and discuss the intricacies of TNFa signaling that may explain the controversial findings of previous studies. The pleiotropism of TNFa is based in part on the existence of two biologically active forms of TNFa, soluble and membrane-bound, with different affinities for two distinct TNF receptors, TNFR1 and TNFR2, leading to activation of diverse downstream molecular pathways involved in cell fate decisions and immune function. Distinct membrane expression patterns of TNF receptors by CD4+ T cell subsets and their preferential binding of distinct forms of TNFα produced by a diverse pool of cellular sources during different stages of an immune response are important determinants of the differential outcomes of TNFa-TNF receptor signaling. Targeted manipulation of TNFa-TNF receptor signaling on select CD4+ T cell subsets may offer specific therapeutic interventions to dampen inflammation while fortifying immune regulation for the treatment of autoimmune diseases.
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Affiliation(s)
- Nikolaos Skartsis
- Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic, Rochester, MN, United States
- Mayo Clinic William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN, United States
| | - Leonardo M. R. Ferreira
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, United States
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
| | - Qizhi Tang
- Department of Surgery, University of California, San Francisco, San Francisco, CA, United States
- Diabetes Center, University of California, San Francisco, San Francisco, CA, United States
- Gladstone University of California San Francisco (UCSF) Institute of Genome Immunology, University of California, San Francisco, San Francisco, CA, United States
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9
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Advancing Biologic Therapy for Refractory Autoimmune Hepatitis. Dig Dis Sci 2022; 67:4979-5005. [PMID: 35147819 DOI: 10.1007/s10620-021-07378-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/27/2021] [Indexed: 01/05/2023]
Abstract
Biologic agents may satisfy an unmet clinical need for treatment of refractory autoimmune hepatitis. The goals of this review are to present the types and results of biologic therapy for refractory autoimmune hepatitis, indicate opportunities to improve and expand biologic treatment, and encourage comparative clinical trials. English abstracts were identified in PubMed by multiple search terms. Full-length articles were selected for review, and secondary and tertiary bibliographies were developed. Rituximab (monoclonal antibodies against CD20 on B cells), infliximab (monoclonal antibodies against tumor necrosis factor-alpha), low-dose recombinant interleukin 2 (regulatory T cell promoter), and belimumab (monoclonal antibodies against B cell activating factor) have induced laboratory improvement in small cohorts with refractory autoimmune hepatitis. Ianalumab (monoclonal antibodies against the receptor for B cell activating factor) is in clinical trial. These agents target critical pathogenic pathways, but they may also have serious side effects. Blockade of the B cell activating factor or its receptors may disrupt pivotal B and T cell responses, and recombinant interleukin 2 complexed with certain interleukin 2 antibodies may selectively expand the regulatory T cell population. A proliferation-inducing ligand that enhances T cell proliferation and survival is an unevaluated, potentially pivotal, therapeutic target. Fully human antibodies, expanded target options, improved targeting precision, more effective delivery systems, and biosimilar agents promise to improve efficacy, safety, and accessibility. In conclusion, biologic agents target key pathogenic pathways in autoimmune hepatitis, and early experiences in refractory disease encourage clarification of the preferred target, rigorous clinical trial, and comparative evaluations.
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Quazi S. TNFR2 antagonist and agonist: a potential therapeutics in cancer immunotherapy. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 39:215. [PMID: 36175687 DOI: 10.1007/s12032-022-01772-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 06/15/2022] [Indexed: 11/26/2022]
Abstract
Tumour necrosis factor receptor 2 or TNFR2 is considered an appealing target protein due to its limited frequency to TREGs, which are highly immunosuppressive and present on human malignancies. Numerous studies have revealed that TNFR2 is primarily found on MDSCs (myeloid-derived suppressor cells) and CD + Foxp3 + regulatory T cells (TREGs). Therefore, it has great importance in the proliferation and functional activity of TREGs and MDSCs. TNFR2 suppression must be downregulated or upregulated as required to treat malignancies and diseases like autoimmune disorders. Therefore, at the molecular level, advances in the comprehension of TNFR2's complex structure and its binding to TNF have opened the door to structure-guided drug development. Two critical obstacles to cancer treatment are the dearth of TREG-specific inhibitors and the lack of widely applicable ways to target tumours via frequently expressed surface oncogenes directly. Many researchers have discovered potential antagonists and agonists of TNFR2, which were successful in inhibiting TREGs proliferation, reducing soluble TNFR2 secretion from normal cells, and expanding T effector cells. The data represented in the following review article elucidates the clinically administrated TNFR2 antagonist and agonist in treating cancers.
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Affiliation(s)
- Sameer Quazi
- GenLab Biosolutions Private Limited, Bangalore, 560043, Karnataka, India.
- Department of Biomedical Sciences, School of Life Sciences, Anglia Ruskin University, Cambridge, UK.
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK.
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11
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Silva IBB, Kimura CH, Colantoni VP, Sogayar MC. Stem cells differentiation into insulin-producing cells (IPCs): recent advances and current challenges. Stem Cell Res Ther 2022; 13:309. [PMID: 35840987 PMCID: PMC9284809 DOI: 10.1186/s13287-022-02977-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 06/19/2022] [Indexed: 11/10/2022] Open
Abstract
Type 1 diabetes mellitus (T1D) is a chronic disease characterized by an autoimmune destruction of insulin-producing β-pancreatic cells. Although many advances have been achieved in T1D treatment, current therapy strategies are often unable to maintain perfect control of glycemic levels. Several studies are searching for new and improved methodologies for expansion of β-cell cultures in vitro to increase the supply of these cells for pancreatic islets replacement therapy. A promising approach consists of differentiation of stem cells into insulin-producing cells (IPCs) in sufficient number and functional status to be transplanted. Differentiation protocols have been designed using consecutive cytokines or signaling modulator treatments, at specific dosages, to activate or inhibit the main signaling pathways that control the differentiation of induced pluripotent stem cells (iPSCs) into pancreatic β-cells. Here, we provide an overview of the current approaches and achievements in obtaining stem cell-derived β-cells and the numerous challenges, which still need to be overcome to achieve this goal. Clinical translation of stem cells-derived β-cells for efficient maintenance of long-term euglycemia remains a major issue. Therefore, research efforts have been directed to the final steps of in vitro differentiation, aiming at production of functional and mature β-cells and integration of interdisciplinary fields to generate efficient cell therapy strategies capable of reversing the clinical outcome of T1D.
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Affiliation(s)
- Isaura Beatriz Borges Silva
- Cell and Molecular Therapy Center (NUCEL), School of Medicine, University of São Paulo, São Paulo, SP, 05360-130, Brazil.,Department of Biochemistry, Chemistry Institute, University of São Paulo, São Paulo, SP, 05508-000, Brazil
| | - Camila Harumi Kimura
- Cell and Molecular Therapy Center (NUCEL), School of Medicine, University of São Paulo, São Paulo, SP, 05360-130, Brazil
| | - Vitor Prado Colantoni
- Cell and Molecular Therapy Center (NUCEL), School of Medicine, University of São Paulo, São Paulo, SP, 05360-130, Brazil.,Department of Biochemistry, Chemistry Institute, University of São Paulo, São Paulo, SP, 05508-000, Brazil
| | - Mari Cleide Sogayar
- Cell and Molecular Therapy Center (NUCEL), School of Medicine, University of São Paulo, São Paulo, SP, 05360-130, Brazil. .,Department of Biochemistry, Chemistry Institute, University of São Paulo, São Paulo, SP, 05508-000, Brazil.
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12
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Chen W, Cao Y, Zhong Y, Sun J, Dong J. The Mechanisms of Effector Th Cell Responses Contribute to Treg Cell Function: New Insights into Pathogenesis and Therapy of Asthma. Front Immunol 2022; 13:862866. [PMID: 35898499 PMCID: PMC9309477 DOI: 10.3389/fimmu.2022.862866] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 06/20/2022] [Indexed: 11/18/2022] Open
Abstract
CD4 + helper T (Th) cell subsets are critically involved in the pathogenesis of asthma. Naive Th cells differentiate into different subsets under the stimulation of different sets of cytokines, and the differentiation process is dominantly driven by lineage specific transcription factors, such as T-bet (Th1), GATA3 (Th2), RORγt (Th17) and Foxp3 (Treg). The differentiation mechanisms driven by these transcription factors are mutually exclusive, resulting in functional inhibition of these Th subsets to each other, particularly prominent between effector Th cells and Treg cells, such as Th2 versus Treg cells and Th17 versus Treg cells. Being of significance in maintaining immune homeostasis, the balance between effector Th cell response and Treg cell immunosuppression provides an immunological theoretical basis for us to understand the immunopathological mechanism and develop the therapy strategies of asthma. However, recent studies have found that certain factors involved in effector Th cells response, such as cytokines and master transcription factors (IL-12 and T-bet of Th1, IL-4 and GATA3 of Th2, IL-6 and RORγt of Th17), not only contribute to immune response of effector Th cells, but also promote the development and function of Treg cells, therefore bridging the interplay between effector Th cell immune responses and Treg cell immunosuppression. Although we have an abundant knowledge concerning the role of these cytokines and transcription factors in effector Th cell responses, our understanding on their role in Treg cell development and function is scattered thus need to be summarized. This review summarized the role of these cytokines and transcription factors involved in effector Th cell responses in the development and function of Treg cells, in the hope of providing new insights of understanding the immunopathological mechanism and seeking potential therapy strategies of asthma.
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Affiliation(s)
- Wenjing Chen
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yuxue Cao
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institute of Integrative Medicine, Fudan University, Shanghai, China
| | - Yuanyuan Zhong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jing Sun
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institute of Integrative Medicine, Fudan University, Shanghai, China
- *Correspondence: Jing Sun, ; Jingcheng Dong,
| | - Jingcheng Dong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institute of Integrative Medicine, Fudan University, Shanghai, China
- *Correspondence: Jing Sun, ; Jingcheng Dong,
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13
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Mensink M, Tran TNM, Zaal EA, Schrama E, Berkers CR, Borst J, de Kivit S. TNFR2 Costimulation Differentially Impacts Regulatory and Conventional CD4 + T-Cell Metabolism. Front Immunol 2022; 13:881166. [PMID: 35844585 PMCID: PMC9282886 DOI: 10.3389/fimmu.2022.881166] [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: 02/22/2022] [Accepted: 05/04/2022] [Indexed: 12/26/2022] Open
Abstract
CD4+ conventional T cells (Tconvs) mediate adaptive immune responses, whereas regulatory T cells (Tregs) suppress those responses to safeguard the body from autoimmunity and inflammatory diseases. The opposing activities of Tconvs and Tregs depend on the stage of the immune response and their environment, with an orchestrating role for cytokine- and costimulatory receptors. Nutrient availability also impacts T-cell functionality via metabolic and biosynthetic processes that are largely unexplored. Many data argue that costimulation by Tumor Necrosis Factor Receptor 2 (TNFR2) favors support of Treg over Tconv responses and therefore TNFR2 is a key clinical target. Here, we review the pertinent literature on this topic and highlight the newly identified role of TNFR2 as a metabolic regulator for thymus-derived (t)Tregs. We present novel transcriptomic and metabolomic data that show the differential impact of TNFR2 on Tconv and tTreg gene expression and reveal distinct metabolic impact on both cell types.
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Affiliation(s)
- Mark Mensink
- Department of Immunology and Oncode Institute, Leiden University Medical Center, Leiden, Netherlands
| | - Thi Ngoc Minh Tran
- Division of Cell Biology, Metabolism & Cancer, Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, Netherlands
| | - Esther A. Zaal
- Division of Cell Biology, Metabolism & Cancer, Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Ellen Schrama
- Department of Immunology and Oncode Institute, Leiden University Medical Center, Leiden, Netherlands
| | - Celia R. Berkers
- Division of Cell Biology, Metabolism & Cancer, Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, Netherlands
| | - Jannie Borst
- Department of Immunology and Oncode Institute, Leiden University Medical Center, Leiden, Netherlands
| | - Sander de Kivit
- Department of Immunology and Oncode Institute, Leiden University Medical Center, Leiden, Netherlands
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14
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Signaling pathway(s) of TNFR2 required for the immunoregulatory effect of CD4 +Foxp3 + regulatory T cells. Int Immunopharmacol 2022; 108:108823. [PMID: 35623290 DOI: 10.1016/j.intimp.2022.108823] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/26/2022] [Accepted: 04/29/2022] [Indexed: 11/23/2022]
Abstract
CD4+Foxp3+ regulatory T cells (Tregs), a subpopulation of CD4+ T cells, are engaged in maintaining the periphery tolerance and preventing autoimmunity. Recent studies showed that tumor necrosis factor receptor 2 (TNFR2) is preferentially expressed by Tregs and the expression of this receptor identifies the maximally suppressive Tregs. That is, TNFR2 is a liable phenotypic and functional surface marker of Tregs. Moreover, TNF activates and expands Tregs through TNFR2. However, it is very interesting which signaling pathway(s) of TNFR2 is required for the inhibitory effect of Tregs. Compelling evidence shows three TNFR2 signaling pathways in Tregs, including NF-κB, MAPK and PI3K-Akt pathways. Here, we summarize and discuss the latest progress in the studies on the downstream signaling pathways of TNF-TNFR2 for controlling Treg homeostasis, differentiation and proliferation.
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15
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Tang M, Jia F, Nan F, Zuo F, Yuan Z, Zhang D. Role of Cytokines in Thymic Regulatory T Cell Generation: Overview and Updates. Front Immunol 2022; 13:883560. [PMID: 35432378 PMCID: PMC9008509 DOI: 10.3389/fimmu.2022.883560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 03/11/2022] [Indexed: 02/05/2023] Open
Abstract
CD4+CD25+Foxp3+ Regulatory (Treg) T cells are mainly generated within the thymus. However, the mechanism of thymic Treg cell (tTreg cell) generation remains to be fully revealed. Although the functions of TCR/CD28 co-stimulation have been widely accepted, the functions of cytokines in the generation of tTreg cells remain highly controversial. In this review, we summarize the existing studies on cytokine regulation of tTreg cell generation. By integrating the key findings of cytokines in tTreg cell generation, we have concluded that four members of γc family cytokines (IL-2, IL-4, IL-7 and IL-15), transforming growth factor β (TGF-β), and three members of TNF superfamily cytokines (GITRL, OX40L and TNF-α) play vitally important roles in regulating tTreg cell generation. We also point out all disputed points and highlight critical scientific questions that need to be addressed in the future.
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Affiliation(s)
- Mei Tang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Fuya Jia
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Fang Nan
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Fengqiong Zuo
- Department of Immunology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Zhu Yuan
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Dunfang Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
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16
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Moatti A, Debesset A, Pilon C, Beldi-Ferchiou A, Leclerc M, Redjoul R, Charlotte F, To NH, Bak A, Belkacemi Y, Salomon BL, Issa F, Michonneau D, Maury S, Cohen JL, Thiolat A. TNFR2 blockade of regulatory T cells unleashes an antitumor immune response after hematopoietic stem-cell transplantation. J Immunother Cancer 2022; 10:jitc-2021-003508. [PMID: 35387779 PMCID: PMC8987798 DOI: 10.1136/jitc-2021-003508] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2022] [Indexed: 12/13/2022] Open
Abstract
Background Targeting immune checkpoints that inhibit antitumor immune responses has emerged as a powerful new approach to treat cancer. We recently showed that blocking the tumor necrosis factor receptor-type 2 (TNFR2) pathway induces the complete loss of the protective function of regulatory T cells (Tregs) in a model of graft-versus-host disease (GVHD) prevention that relies on Treg-based cell therapy. Here, we tested the possibility of amplifying the antitumor response by targeting TNFR2 in a model of tumor relapse following hematopoietic stem-cell transplantation, a clinical situation for which the need for efficient therapeutic options is still unmet. Method We developed appropriate experimental conditions that mimic patients that relapsed from their initial hematological malignancy after hematopoietic stem-cell transplantation. This consisted of defining in allogeneic bone marrow transplantation models developed in mice, the maximum number of required tumor cells and T cells to infuse into recipient mice to develop a model of tumor relapse without inducing GVHD. We next evaluated whether anti-TNFR2 treatment could trigger alloreactivity and consequently antitumor immune response. In parallel, we also studied the differential expression of TNFR2 on T cells including Treg from patients in post-transplant leukemia relapse and in patients developing GVHD. Results Using experimental conditions in which neither donor T cells nor TNFR2-blocking antibody per se have any effect on tumor relapse, we observed that the coadministration of a suboptimal number of T cells and an anti-TNFR2 treatment can trigger alloreactivity and subsequently induce a significant antitumor effect. This was associated with a reduced percentage of activated CD4+ and CD8+ Tregs. Importantly, human Tregs over-expressed TNFR2 relative to conventional T cells in healthy donors and in patients experiencing leukemia relapse or cortico-resistant GVHD after hematopoietic stem cell transplantation. Conclusions These results highlight TNFR2 as a new target molecule for the development of immunotherapies to treat blood malignancy relapse, used either directly in grafted patients or to enhance donor lymphocyte infusion strategies. More widely, they open the door for new perspectives to amplify antitumor responses against solid cancers by directly targeting Tregs through their TNFR2 expression.
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Affiliation(s)
- Audrey Moatti
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France.,CIC Biotherapy, GHU Chenevier Mondor, Créteil, France
| | - Anais Debesset
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France
| | | | | | - Mathieu Leclerc
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France.,Service d'hématologie Clinique, GHU Chenevier Mondor, Créteil, France
| | - Rabah Redjoul
- Service d'hématologie Clinique, GHU Chenevier Mondor, Créteil, France
| | - Frederic Charlotte
- Service d'anatomopathologie, University Hospital Pitié Salpêtrière, Paris, France
| | - Nhu Hanh To
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France.,Service d'oncologie-radiothérapie, GHU Chenevier Mondor, Créteil, France
| | - Adeline Bak
- Service d'oncologie-radiothérapie, GHU Chenevier Mondor, Créteil, France
| | - Yazid Belkacemi
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France.,Service d'oncologie-radiothérapie, GHU Chenevier Mondor, Créteil, France
| | - Benoît Laurent Salomon
- INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Sorbonne Université, Paris, France
| | - Fadi Issa
- Transplantation Research Immunology Group, University of Oxford Nuffield Department of Surgical Sciences, Oxford, UK
| | | | - Sebastien Maury
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France.,Service d'hématologie Clinique, GHU Chenevier Mondor, Créteil, France
| | - José Laurent Cohen
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France .,CIC Biotherapy, GHU Chenevier Mondor, Créteil, France
| | - Allan Thiolat
- INSERM, IMRB, Université Paris-Est Créteil Val de Marne, Créteil, France
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17
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Skartsis N, Peng Y, Ferreira LMR, Nguyen V, Ronin E, Muller YD, Vincenti F, Tang Q. IL-6 and TNFα Drive Extensive Proliferation of Human Tregs Without Compromising Their Lineage Stability or Function. Front Immunol 2022; 12:783282. [PMID: 35003100 PMCID: PMC8732758 DOI: 10.3389/fimmu.2021.783282] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 11/29/2021] [Indexed: 01/09/2023] Open
Abstract
Treg therapies are being tested in clinical trials in transplantation and autoimmune diseases, however, the impact of inflammation on Tregs remains controversial. We challenged human Tregs ex-vivo with pro-inflammatory cytokines IL-6 and TNFα and observed greatly enhanced proliferation stimulated by anti-CD3 and anti-CD28 (aCD3/28) beads or CD28 superagonist (CD28SA). The cytokine-exposed Tregs maintained high expression of FOXP3 and HELIOS, demethylated FOXP3 enhancer, and low IFNγ, IL-4, and IL-17 secretion. Blocking TNF receptor using etanercept or deletion of TNF receptor 2 using CRISPR/Cas9 blunted Treg proliferation and attenuated FOXP3 and HELIOS expression. These results prompted us to consider using CD28SA together with IL-6 and TNFα without aCD3/28 beads (beadless) as an alternative protocol for therapeutic Treg manufacturing. Metabolomics profiling revealed more active glycolysis and oxidative phosphorylation, increased energy production, and higher antioxidant potential during beadless Treg expansion. Finally, beadless expanded Tregs maintained suppressive functions in vitro and in vivo. These results demonstrate that human Tregs positively respond to proinflammatory cytokines with enhanced proliferation without compromising their lineage identity or function. This property can be harnessed for therapeutic Treg manufacturing.
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Affiliation(s)
- Nikolaos Skartsis
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States.,Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, CA, United States
| | - Yani Peng
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Leonardo M R Ferreira
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Vinh Nguyen
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Emilie Ronin
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Yannick D Muller
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Flavio Vincenti
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States.,Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, CA, United States
| | - Qizhi Tang
- Department of Surgery, University of California San Francisco, San Francisco, CA, United States.,Diabetes Center, University of California San Francisco, San Francisco, CA, United States
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18
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Faucher P, Beuvon F, Fignani D, Sebastiani G, Afonso G, Zhou Z, Dousset B, Boitard C, Dotta F, Mallone R, Larger E. Immunoregulated insulitis and slow-progressing type 1 diabetes after duodenopancreatectomy. Diabetologia 2021; 64:2731-2740. [PMID: 34522983 DOI: 10.1007/s00125-021-05563-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 07/06/2021] [Indexed: 11/28/2022]
Abstract
AIMS/HYPOTHESIS We report the case of a woman who underwent a partial pancreatectomy for a serous cystadenoma when aged 56 years. She had been diagnosed with diabetes 6 years before and had Hashimoto's thyroiditis. Despite positive anti-GAD autoantibodies (GADA) and previous surgery, she was transiently weaned off long-acting insulin. Blood glucose levels remained well controlled with low-dose long-acting insulin. Insulin needs eventually increased 8 years after surgery, in conjunction with anti-zinc transporter 8 (ZnT8) seroconversion and decreasing residual C-peptide. We hypothesised that the surgical pancreas specimens and blood autoimmune T cell responses may provide correlates of this indolent clinical course. METHODS Beta and alpha cell area and insulitis were quantified on pancreas head tissue sections obtained at surgery. Blood T cell responses against beta cell antigens were analysed by enzyme-linked immunospot. RESULTS Pancreas sections displayed reduced beta cell and normal alpha cell area (0.27% and 0.85% of section area, respectively). High-grade insulitis was observed, mostly in insulin-containing islets, with a peri-insulitis pattern enriched in T cells positive for regulatory forkhead box protein 3 (FOXP3). In vitro challenge with beta cell antigens of circulating T cells collected 4 and 9 years after surgery revealed dominant and persistent IL-10 responses; IFN-γ responses increasing at 9 years, after anti-ZnT8 seroconversion, was observed. CONCLUSIONS/INTERPRETATION Despite persistent GADA and the histopathological finding of insulitis and decreased beta cell area 6 years after diabetes diagnosis, glycaemic control was maintained with low-dose insulin up to 8 years after surgery. Regulated T cell responses towards beta cell antigens and FOXP3-positive peri-insulitis suggest spontaneous long-term regulation of islet autoimmunity after substantial beta cell loss, and eventual autoimmune progression upon anti-ZnT8 seroconversion.
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Affiliation(s)
- Pauline Faucher
- Institut Cochin, CNRS, Inserm, Université de Paris, Paris, France
- Service de Diabétologie et Immunologie Clinique, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Hôpitaux Universitaires de Paris Centre-Université de Paris, Paris, France
| | - Frédéric Beuvon
- Service d'Anatomie Pathologique Publique, Cochin Hospital, Assistance Hôpitaux de Paris, Hôpitaux Universitaires de Paris Centre-Université de Paris, Paris, France
| | - Daniela Fignani
- Department of Medicine, Surgery and Neurosciences, Diabetes Unit, University of Siena, Siena, Italy
- Fondazione Umberto Di Mario, c/o Toscana Life Sciences, Siena, Italy
| | - Guido Sebastiani
- Department of Medicine, Surgery and Neurosciences, Diabetes Unit, University of Siena, Siena, Italy
- Fondazione Umberto Di Mario, c/o Toscana Life Sciences, Siena, Italy
| | - Georgia Afonso
- Institut Cochin, CNRS, Inserm, Université de Paris, Paris, France
| | - Zhicheng Zhou
- Institut Cochin, CNRS, Inserm, Université de Paris, Paris, France
| | - Bertrand Dousset
- Service de Chirurgie Digestive Publique, Cochin Hospital, Assistance Hôpitaux de Paris, Hôpitaux Universitaires de Paris Centre-Université de Paris, Paris, France
| | - Christian Boitard
- Institut Cochin, CNRS, Inserm, Université de Paris, Paris, France
- Service de Diabétologie et Immunologie Clinique, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Hôpitaux Universitaires de Paris Centre-Université de Paris, Paris, France
| | - Francesco Dotta
- Department of Medicine, Surgery and Neurosciences, Diabetes Unit, University of Siena, Siena, Italy
- Fondazione Umberto Di Mario, c/o Toscana Life Sciences, Siena, Italy
| | - Roberto Mallone
- Institut Cochin, CNRS, Inserm, Université de Paris, Paris, France
- Service de Diabétologie et Immunologie Clinique, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Hôpitaux Universitaires de Paris Centre-Université de Paris, Paris, France
| | - Etienne Larger
- Institut Cochin, CNRS, Inserm, Université de Paris, Paris, France.
- Service de Diabétologie et Immunologie Clinique, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Hôpitaux Universitaires de Paris Centre-Université de Paris, Paris, France.
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19
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Moatti A, Cohen JL. The TNF-α/TNFR2 Pathway: Targeting a Brake to Release the Anti-tumor Immune Response. Front Cell Dev Biol 2021; 9:725473. [PMID: 34712661 PMCID: PMC8546260 DOI: 10.3389/fcell.2021.725473] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/24/2021] [Indexed: 12/15/2022] Open
Abstract
Newly discovered anti-cancer immunotherapies, such as immune checkpoint inhibitors and chimeric antigen receptor T cells, focus on spurring the anti-tumor effector T cell (Teff) response. Although such strategies have already demonstrated a sustained beneficial effect in certain malignancies, a substantial proportion of treated patients does not respond. CD4+FOXP3+ regulatory T cells (Tregs), a suppressive subset of T cells, can impair anti-tumor responses and reduce the efficacy of currently available immunotherapies. An alternative view that has emerged over the last decade proposes to tackle this immune brake by targeting the suppressive action of Tregs on the anti-tumoral response. It was recently demonstrated that the tumor necrosis factor alpha (TNF-α) tumor necrosis factor receptor 2 (TNFR2) is critical for the phenotypic stabilization and suppressive function of human and mouse Tregs. The broad non-specific effects of TNF-α infusion in patients initially led clinicians to abandon this signaling pathway as first-line therapy against neoplasms. Previously unrecognized, TNFR2 has emerged recently as a legitimate target for anti-cancer immune checkpoint therapy. Considering the accumulation of pre-clinical data on the role of TNFR2 and clinical reports of TNFR2+ Tregs and tumor cells in cancer patients, it is now clear that a TNFR2-centered approach could be a viable strategy, once again making the TNF-α pathway a promising anti-cancer target. Here, we review the role of the TNFR2 signaling pathway in tolerance and the equilibrium of T cell responses and its connections with oncogenesis. We analyze recent discoveries concerning the targeting of TNFR2 in cancer, as well as the advantages, limitations, and perspectives of such a strategy.
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Affiliation(s)
- Audrey Moatti
- Université Paris-Est Créteil Val de Marne, INSERM, IMRB, Créteil, France.,AP-HP, Groupe Hospitalo-Universitaire Chenevier Mondor, Centre d'Investigation Clinique Biothérapie, Créteil, France
| | - José L Cohen
- Université Paris-Est Créteil Val de Marne, INSERM, IMRB, Créteil, France.,AP-HP, Groupe Hospitalo-Universitaire Chenevier Mondor, Centre d'Investigation Clinique Biothérapie, Créteil, France
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20
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Guerra-Gomes IC, Gois BM, Peixoto RF, Palmeira PHDS, Dias CNDS, Csordas BG, Araújo JMG, Veras RC, de Medeiros IA, de Azevedo FDLAA, Boyton RJ, Altmann DM, Keesen TSL. Phenotypical characterization of regulatory T cells in acute Zika infection. Cytokine 2021; 146:155651. [PMID: 34325119 PMCID: PMC8405058 DOI: 10.1016/j.cyto.2021.155651] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 10/20/2022]
Abstract
Zika virus (ZIKV), alongside Dengue virus (DENV), Chikungunya virus (CHIKV), and Yellow Fever Virus (YFV) are prevalent arboviruses in the Americas. Each of these infections is associated with the development of associated disease immunopathology. Immunopathological processes are an outcome of counter-balancing impacts between effector and regulatory immune mechanisms. In this context, regulatory T cells (Tregs) are key in modulating the immune response and, therefore, in tissue damage control. However, to date, Treg phenotypes and mechanisms during acute infection of the ZIKV in humans have not been fully investigated. The main aim of this work was to characterize Tregs and their immunological profile related to cytokine production and molecules that are capable of controlling the exacerbated inflammatory profile in acute Zika infected patients. Using whole blood analyses of infected patients, an ex vivo phenotypical characterization of Tregs, circulating during acute Zika virus infection, was conducted by flow cytometry. We found that though there are no differences in absolute Treg frequency between infected and healthy control groups. However, pro-inflammatory cytokine up-regulation such as IFN-γ and LAP was observed in the acute disease. Furthermore, acute ZIKV patients expressed increased levels of CD39/CD73, perforin/granzyme B, PD-1, and CTLA-4, all markers involved in mechanisms used by Tregs to attempt to control strong inflammatory responses. Thus, the data indicates a potential contribution of Tregs during the inflammatory ZIKV infection response.
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Affiliation(s)
- Isabel Cristina Guerra-Gomes
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Bruna Macêdo Gois
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Rephany Fonseca Peixoto
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Pedro Henrique de Sousa Palmeira
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Cínthia Nóbrega de Sousa Dias
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Bárbara Guimarães Csordas
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Josélio Maria Galvão Araújo
- Molecular Biology of Cancer and Infectious Diseases Laboratory of Post-Graduation Program on Parasite Biology, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 58078-970, Brazil
| | - Robson Cavalcante Veras
- Research Institute for Drugs and Medicines, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | - Isac Almeida de Medeiros
- Research Institute for Drugs and Medicines, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil
| | | | - Rosemary Jane Boyton
- Department of Infectious Disease, Faculty of Medicine, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, United Kingdom
| | - Daniel Martin Altmann
- Department of Immunology and Inflammation, Faculty of Medicine, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, United Kingdom
| | - Tatjana Souza Lima Keesen
- Immunology of Infectious Diseases Laboratory of Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa, Paraíba 58051-900, Brazil.
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21
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Chen T, Zhang Z, Weng D, Lu L, Wang X, Xing M, Qiu H, Zhao M, Shen L, Zhou Y, Chang J, Li HP. Ion therapy of pulmonary fibrosis by inhalation of ionic solution derived from silicate bioceramics. Bioact Mater 2021; 6:3194-3206. [PMID: 33778199 PMCID: PMC7966967 DOI: 10.1016/j.bioactmat.2021.02.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/09/2021] [Accepted: 02/13/2021] [Indexed: 01/13/2023] Open
Abstract
Pulmonary fibrosis (PF) is a chronic and progressively fatal disease, but clinically available therapeutic drugs are limited due to efficacy and side effects. The possible mechanism of pulmonary fibrosis includes the damage of alveolar epithelial cells II (AEC2), and activation of immune cells such as macrophages. The ions released from bioceramics have shown the activity in stimulating soft tissue derived cells such as fibroblasts, endothelia cells and epithelia cells, and regulating macrophage polarization. Therefore, this study proposes an "ion therapy" approach based on the active ions of bioceramic materials, and investigates the therapeutic effect of bioactive ions derived from calcium silicate (CS) bioceramics on mouse models of pulmonary fibrosis. We demonstrate that silicate ions significantly reduce pulmonary fibrosis by simultaneously regulating the functions of AEC2 and macrophages. This result suggests potential clinical applications of ion therapy for lung fibrosis.
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Affiliation(s)
- Tao Chen
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Zhaowenbin Zhang
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, People's Republic of China
| | - Dong Weng
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - LiQin Lu
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - XiaoYa Wang
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
| | - Min Xing
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
| | - Hui Qiu
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - MengMeng Zhao
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Li Shen
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Ying Zhou
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Jiang Chang
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China
| | - Hui-Ping Li
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
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22
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Regulatory T cells enhance Th17 migration in psoriatic arthritis which is reversed by anti-TNF. iScience 2021; 24:102973. [PMID: 34471865 PMCID: PMC8387926 DOI: 10.1016/j.isci.2021.102973] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 08/02/2021] [Accepted: 08/08/2021] [Indexed: 11/20/2022] Open
Abstract
Regulatory T cells (Treg) prevent the migration of effector T cells toward sites of inflammation, thereby limiting disease progression. We investigated this aspect of Treg function using psoriatic arthritis (PsA) as an exemplar of chronic inflammation. Patients with PsA had an increased Th17:Treg ratio which was reversed by anti-tumor necrosis factor (TNF) therapy. Utilizing an in vitro migration assay, Treg from patients with PsA treated with conventional therapy paradoxically boosted CCR6+ effector T-cell (a surrogate for Th17) migration toward CCL20. In contrast, Treg from patients with PsA treated with anti-TNF suppressed CCL20-driven effector T-cell migration. The boosting effect of TNF blockade upon Treg suppression of migration was accompanied by increased effector T-cell CCL20 production and enhanced interaction between Treg and effector T cells. This study provides mechanistic insight into Treg modulation of effector T-cell migration in patients with chronic inflammation and how this can be targeted by therapy.
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23
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Nicholls J, Cao B, Le Texier L, Xiong LY, Hunter CR, Llanes G, Aguliar EG, Schroder WA, Phipps S, Lynch JP, Cao H, Heazlewood SY, Williams B, Clouston AD, Nefzger CM, Polo JM, Nilsson SK, Blazar BR, MacDonald KPA. Bone Marrow Regulatory T Cells Are a Unique Population, Supported by Niche-Specific Cytokines and Plasmacytoid Dendritic Cells, and Required for Chronic Graft-Versus-Host Disease Control. Front Cell Dev Biol 2021; 9:737880. [PMID: 34631716 PMCID: PMC8493124 DOI: 10.3389/fcell.2021.737880] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/16/2021] [Indexed: 11/23/2022] Open
Abstract
Regulatory T cell (Treg) reconstitution is essential for reestablishing tolerance and maintaining homeostasis following stem-cell transplantation. We previously reported that bone marrow (BM) is highly enriched in autophagy-dependent Treg and autophagy disruption leads to a significant Treg loss, particularly BM-Treg. To correct the known Treg deficiency observed in chronic graft-versus-host disease (cGVHD) patients, low dose IL-2 infusion has been administered, substantially increasing peripheral Treg (pTreg) numbers. However, as clinical responses were only seen in ∼50% of patients, we postulated that pTreg augmentation was more robust than for BM-Treg. We show that BM-Treg and pTreg have distinct characteristics, indicated by differential transcriptome expression for chemokine receptors, transcription factors, cell cycle control of replication and genes linked to Treg function. Further, BM-Treg were more quiescent, expressed lower FoxP3, were highly enriched for co-inhibitory markers and more profoundly depleted than splenic Treg in cGVHD mice. In vivo our data are consistent with the BM and not splenic microenvironment is, at least in part, driving this BM-Treg signature, as adoptively transferred splenic Treg that entered the BM niche acquired a BM-Treg phenotype. Analyses identified upregulated expression of IL-9R, IL-33R, and IL-7R in BM-Treg. Administration of the T cell produced cytokine IL-2 was required by splenic Treg expansion but had no impact on BM-Treg, whereas the converse was true for IL-9 administration. Plasmacytoid dendritic cells (pDCs) within the BM also may contribute to BM-Treg maintenance. Using pDC-specific BDCA2-DTR mice in which diptheria toxin administration results in global pDC depletion, we demonstrate that pDC depletion hampers BM, but not splenic, Treg homeostasis. Together, these data provide evidence that BM-Treg and splenic Treg are phenotypically and functionally distinct and influenced by niche-specific mediators that selectively support their respective Treg populations. The unique properties of BM-Treg should be considered for new therapies to reconstitute Treg and reestablish tolerance following SCT.
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Affiliation(s)
- Jemma Nicholls
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Benjamin Cao
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Laetitia Le Texier
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Laura Yan Xiong
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Christopher R. Hunter
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Genesis Llanes
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Ethan G. Aguliar
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Wayne A. Schroder
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Simon Phipps
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Jason P. Lynch
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Huimin Cao
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Shen Y. Heazlewood
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Brenda Williams
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | | | - Christian M. Nefzger
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
- Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Jose M. Polo
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
- Department of Anatomy and Developmental Biology, Monash University, Melbourne, VIC, Australia
| | - Susan K. Nilsson
- Biomedical Manufacturing Commonwealth Scientific and Industrial Research Organization, Melbourne, VIC, Australia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Bruce R. Blazar
- Division of Blood and Marrow Transplant and Cellular Therapies, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Kelli P. A. MacDonald
- Immunology Department, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
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24
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Insights into the biology and therapeutic implications of TNF and regulatory T cells. Nat Rev Rheumatol 2021; 17:487-504. [PMID: 34226727 DOI: 10.1038/s41584-021-00639-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2021] [Indexed: 02/06/2023]
Abstract
Treatments that block tumour necrosis factor (TNF) have major beneficial effects in several autoimmune and rheumatic diseases, including rheumatoid arthritis. However, some patients do not respond to TNF inhibitor treatment and rare occurrences of paradoxical disease exacerbation have been reported. These limitations on the clinical efficacy of TNF inhibitors can be explained by the differences between TNF receptor 1 (TNFR1) and TNFR2 signalling and by the diverse effects of TNF on multiple immune cells, including FOXP3+ regulatory T cells. This basic knowledge sheds light on the consequences of TNF inhibitor therapies on regulatory T cells in treated patients and on the limitations of such treatment in the control of diseases with an autoimmune component. Accordingly, the next generation of drugs targeting TNF is likely to be based on agents that selectively block the binding of TNF to TNFR1 and on TNFR2 agonists. These approaches could improve the treatment of rheumatic diseases in the future.
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25
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Targeting immunosuppressor cells with nanoparticles in autoimmunity: How far have we come to? Cell Immunol 2021; 368:104412. [PMID: 34340162 DOI: 10.1016/j.cellimm.2021.104412] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/24/2022]
Abstract
Autoimmunity is the assault of immune response towards self-antigens, resulting to inflammation and tissue injury. It is staged into three phases and caused by malfunction of immune tolerance. In our body, immune tolerance is synchronized by several immunosuppressor cells such as regulatory T cells and B cells as well as myeloid-derived suppressor cells, which are prominently dysregulated in autoimmunity. Hence, targeting these cell populations serve as a significant potential in the therapy of autoimmunity. Nanotechnology with its advantageous properties is shown to be a remarkable tool as drug delivery system in this field. This review focused on the development of therapeutics in autoimmune diseases utilizing various nanoparticles formulation based on two targeting approaches in autoimmunity, passive and active targeting. Lastly, this review outlined the approved present nanomedicines as well as in clinical evaluations and issues regarding the lack of translation of these nanomedicines into the market, despite the abundant of positive experimental observations.
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26
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Abstract
Immune checkpoint inhibitors (ICIs) are effective in the treatment of patients with advanced cancer and have emerged as a pillar of standard cancer care. However, their use is complicated by adverse effects known as immune-related adverse events (irAEs), including ICI-induced inflammatory arthritis. ICI-induced inflammatory arthritis is distinguished from other irAEs by its persistence and requirement for long-term treatment. TNF inhibitors are commonly used to treat inflammatory diseases such as rheumatoid arthritis, spondyloarthropathies and inflammatory bowel disease, and have also been adopted as second-line agents to treat irAEs refractory to glucocorticoid treatment. Experiencing an irAE is associated with a better antitumour response after ICI treatment. However, whether TNF inhibition can be safely used to treat irAEs without promoting cancer progression, either by compromising ICI therapy efficacy or via another route, remains an open question. In this Review, we discuss clinical and preclinical studies that address the relationship between TNF, TNF inhibition and cancer. The bulk of the evidence suggests that at least short courses of TNF inhibitors are safe for the treatment of irAEs in patients with cancer undergoing ICI therapy. Data from preclinical studies hint that TNF inhibition might augment the antitumour effect of ICI therapy while simultaneously ameliorating irAEs.
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27
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Oh H, Zhao J, Grinberg-Bleyer Y, Postler TS, Wang P, Park SG, Rabadan R, Hayden MS, Ghosh S. PDK1 Is Required for Maintenance of CD4 + Foxp3 + Regulatory T Cell Function. THE JOURNAL OF IMMUNOLOGY 2021; 206:1776-1783. [PMID: 33789982 DOI: 10.4049/jimmunol.2000051] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 02/10/2021] [Indexed: 01/22/2023]
Abstract
Regulatory T (Treg) cells have an essential role in maintaining immune homeostasis, in part by suppressing effector T cell functions. Phosphoinositide-dependent kinase 1 (PDK1) is a pleiotropic kinase that acts as a key effector downstream of PI3K in many cell types. In T cells, PDK1 has been shown to be critical for activation of NF-κB and AKT signaling upon TCR ligation and is therefore essential for effector T cell activation, proliferation, and cytokine production. Using Treg cell-specific conditional deletion, we now demonstrate that PDK1 is also essential for Treg cell suppressive activity in vivo. Ablation of Pdk1 specifically in Treg cells led to systemic, lethal, scurfy-like inflammation in mice. Genome-wide analysis confirmed that PDK1 is essential for the regulation of key Treg cell signature gene expression and, further, suggested that PDK1 acts primarily to control Treg cell gene expression through regulation of the canonical NF-κB pathway. Consistent with these results, the scurfy-like phenotype of mice lacking PDK1 in Treg cells was rescued by enforced activation of NF-κB downstream of PDK1. Therefore, PDK1-mediated activation of the NF-κB signaling pathway is essential for regulation of Treg cell signature gene expression and suppressor function.
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Affiliation(s)
- Hyunju Oh
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032
| | - Jingyao Zhao
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032
| | - Yenkel Grinberg-Bleyer
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032
| | - Thomas S Postler
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032
| | - Pingzhang Wang
- Department of Systems Biology and Department of Biomedical Informatics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032; and
| | - Sung-Gyoo Park
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032
| | - Raul Rabadan
- Department of Systems Biology and Department of Biomedical Informatics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032; and
| | - Matthew S Hayden
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032.,Section of Dermatology, Department of Surgery, Dartmouth-Hitchcock Medical Center and Geisel School of Medicine, Lebanon, NH 03756
| | - Sankar Ghosh
- Department of Microbiology and Immunology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032;
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28
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Tissue-restricted control of established central nervous system autoimmunity by TNF receptor 2-expressing Treg cells. Proc Natl Acad Sci U S A 2021; 118:2014043118. [PMID: 33766913 DOI: 10.1073/pnas.2014043118] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
CD4+Foxp3+ regulatory T (Treg) cells are central modulators of autoimmune diseases. However, the timing and location of Treg cell-mediated suppression of tissue-specific autoimmunity remain undefined. Here, we addressed these questions by investigating the role of tumor necrosis factor (TNF) receptor 2 (TNFR2) signaling in Treg cells during experimental autoimmune encephalomyelitis (EAE), a model of multiple sclerosis. We found that TNFR2-expressing Treg cells were critical to suppress EAE at peak disease in the central nervous system but had no impact on T cell priming in lymphoid tissues at disease onset. Mechanistically, TNFR2 signaling maintained functional Treg cells with sustained expression of CTLA-4 and Blimp-1, allowing active suppression of pathogenic T cells in the inflamed central nervous system. This late effect of Treg cells was further confirmed by treating mice with TNF and TNFR2 agonists and antagonists. Our findings show that endogenous Treg cells specifically suppress an autoimmune disease by acting in the target tissue during overt inflammation. Moreover, they bring a mechanistic insight to some of the adverse effects of anti-TNF therapy in patients.
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29
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TNF-TNFR2 Signal Plays a Decisive Role in the Activation of CD4 +Foxp3 + Regulatory T Cells: Implications in the Treatment of Autoimmune Diseases and Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1278:257-272. [PMID: 33523452 DOI: 10.1007/978-981-15-6407-9_13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The puzzling biphasic or dual roles of tumor necrosis factor α (TNF) in the inflammatory and immune responses are likely to be mediated by distinct signaling pathways transduced by one of its two receptors, e.g., TNF receptor type I (TNFR1) and TNF receptor type II (TNFR2). Unlike TNFR1 that is ubiquitously expressed on almost all types of cells, the expression of TNFR2 is rather restricted to certain types of cells, such as T lymphocytes. There is now compelling evidence that TNFR2 is preferentially expressed by CD4+Foxp3+ regulatory T cells (Tregs), and TNFR2 plays a decisive role in the activation, expansion, in vivo function, and phenotypical stability of Tregs. In this chapter, the current understanding of the molecular basis and signaling pathway of TNF-TNFRs signal is introduced. Latest studies that have further supported and substantiated the pivotal role of TNF-TNFR2 interaction in Tregs biology and its molecular basis are discussed. The research progress regarding TNFR2-targeting treatment for autoimmune diseases and cancer is analyzed. Future study should focus on the further understanding of molecular mechanism underlying Treg-stimulatory effect of TNFR2 signal, as well as on the translation of research findings into therapeutic benefits of human patients with autoimmune diseases, allergy, allograft rejection, and cancer.
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30
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Mukhatayev Z, Dellacecca ER, Cosgrove C, Shivde R, Jaishankar D, Pontarolo-Maag K, Eby JM, Henning SW, Ostapchuk YO, Cedercreutz K, Issanov A, Mehrotra S, Overbeck A, Junghans RP, Leventhal JR, Le Poole IC. Antigen Specificity Enhances Disease Control by Tregs in Vitiligo. Front Immunol 2020; 11:581433. [PMID: 33335528 PMCID: PMC7736409 DOI: 10.3389/fimmu.2020.581433] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/27/2020] [Indexed: 12/19/2022] Open
Abstract
Vitiligo is an autoimmune skin disease characterized by melanocyte destruction. Regulatory T cells (Tregs) are greatly reduced in vitiligo skin, and replenishing peripheral skin Tregs can provide protection against depigmentation. Ganglioside D3 (GD3) is overexpressed by perilesional epidermal cells, including melanocytes, which prompted us to generate GD3-reactive chimeric antigen receptor (CAR) Tregs to treat vitiligo. Mice received either untransduced Tregs or GD3-specific Tregs to test the hypothesis that antigen specificity contributes to reduced autoimmune reactivity in vitro and in vivo. CAR Tregs displayed increased IL-10 secretion in response to antigen, provided superior control of cytotoxicity towards melanocytes, and supported a significant delay in depigmentation compared to untransduced Tregs and vehicle control recipients in a TCR transgenic mouse model of spontaneous vitiligo. The latter findings were associated with a greater abundance of Tregs and melanocytes in treated mice versus both control groups. Our data support the concept that antigen-specific Tregs can be prepared, used, and stored for long-term control of progressive depigmentation.
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Affiliation(s)
- Zhussipbek Mukhatayev
- Department of Dermatology, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, United States.,Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan.,Laboratory of Molecular immunology and Immunobiotechnology, M.A. Aitkhozhin's Institute of Molecular Biology and Biochemistry, Almaty, Kazakhstan
| | - Emilia R Dellacecca
- Department of Dermatology, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, United States
| | - Cormac Cosgrove
- Department of Dermatology, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, United States
| | - Rohan Shivde
- Department of Dermatology, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, United States
| | - Dinesh Jaishankar
- Department of Dermatology, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, United States
| | | | - Jonathan M Eby
- Oncology Research Institute, Loyola University, Maywood, IL, United States
| | - Steven W Henning
- Oncology Research Institute, Loyola University, Maywood, IL, United States
| | - Yekaterina O Ostapchuk
- Laboratory of Molecular immunology and Immunobiotechnology, M.A. Aitkhozhin's Institute of Molecular Biology and Biochemistry, Almaty, Kazakhstan
| | - Kettil Cedercreutz
- Department of Dermatology, Northwestern University, Chicago, IL, United States
| | - Alpamys Issanov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Shikhar Mehrotra
- Department of Surgery, Medical University of South Carolina, Charleston, SC, United States
| | - Andreas Overbeck
- Department for Surgery of Pigment Disorders, Lumiderm, Madrid, Spain
| | - Richard P Junghans
- Department of Hematology/Oncology, Boston University, Boston MA, United States
| | - Joseph R Leventhal
- Comprehensive Transplant Center, Northwestern Memorial Hospital, Chicago, IL, United States
| | - I Caroline Le Poole
- Department of Dermatology, Northwestern University, Chicago, IL, United States.,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, United States
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31
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Fresegna D, Bullitta S, Musella A, Rizzo FR, De Vito F, Guadalupi L, Caioli S, Balletta S, Sanna K, Dolcetti E, Vanni V, Bruno A, Buttari F, Stampanoni Bassi M, Mandolesi G, Centonze D, Gentile A. Re-Examining the Role of TNF in MS Pathogenesis and Therapy. Cells 2020; 9:cells9102290. [PMID: 33066433 PMCID: PMC7602209 DOI: 10.3390/cells9102290] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/10/2020] [Accepted: 10/12/2020] [Indexed: 12/11/2022] Open
Abstract
Multiple sclerosis (MS) is a common neurological disorder of putative autoimmune origin. Clinical and experimental studies delineate abnormal expression of specific cytokines over the course of the disease. One major cytokine that has been shown to play a pivotal role in MS is tumor necrosis factor (TNF). TNF is a pleiotropic cytokine regulating many physiological and pathological functions of both the immune system and the central nervous system (CNS). Convincing evidence from studies in human and experimental MS have demonstrated the involvement of TNF in various pathological hallmarks of MS, including immune dysregulation, demyelination, synaptopathy and neuroinflammation. However, due to the complexity of TNF signaling, which includes two-ligands (soluble and transmembrane TNF) and two receptors, namely TNF receptor type-1 (TNFR1) and type-2 (TNFR2), and due to its cell- and context-differential expression, targeting the TNF system in MS is an ongoing challenge. This review summarizes the evidence on the pathophysiological role of TNF in MS and in different MS animal models, with a special focus on pharmacological treatment aimed at controlling the dysregulated TNF signaling in this neurological disorder.
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Affiliation(s)
- Diego Fresegna
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
| | - Silvia Bullitta
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Alessandra Musella
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, 00166 Roma, Italy
| | - Francesca Romana Rizzo
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Francesca De Vito
- Unit of Neurology, IRCCS Neuromed, Pozzilli (Is), 86077 Pozzilli, Italy; (F.D.V.); (S.C.); (F.B.); (M.S.B.)
| | - Livia Guadalupi
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Silvia Caioli
- Unit of Neurology, IRCCS Neuromed, Pozzilli (Is), 86077 Pozzilli, Italy; (F.D.V.); (S.C.); (F.B.); (M.S.B.)
| | - Sara Balletta
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Krizia Sanna
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Ettore Dolcetti
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Valentina Vanni
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Antonio Bruno
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
| | - Fabio Buttari
- Unit of Neurology, IRCCS Neuromed, Pozzilli (Is), 86077 Pozzilli, Italy; (F.D.V.); (S.C.); (F.B.); (M.S.B.)
| | - Mario Stampanoni Bassi
- Unit of Neurology, IRCCS Neuromed, Pozzilli (Is), 86077 Pozzilli, Italy; (F.D.V.); (S.C.); (F.B.); (M.S.B.)
| | - Georgia Mandolesi
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, 00166 Roma, Italy
| | - Diego Centonze
- Synaptic Immunopathology Lab, Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.R.R.); (S.B.); (K.S.); (E.D.); (A.B.)
- Unit of Neurology, IRCCS Neuromed, Pozzilli (Is), 86077 Pozzilli, Italy; (F.D.V.); (S.C.); (F.B.); (M.S.B.)
- Correspondence: ; Tel.: +39-06-7259-6010; Fax: +39-06-7259-6006
| | - Antonietta Gentile
- Synaptic Immunopathology Lab, IRCCS San Raffaele Pisana, 00166 Rome, Italy; (D.F.); (S.B.); (A.M.); (L.G.); (V.V.); (G.M.); (A.G.)
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iRhom2: An Emerging Adaptor Regulating Immunity and Disease. Int J Mol Sci 2020; 21:ijms21186570. [PMID: 32911849 PMCID: PMC7554728 DOI: 10.3390/ijms21186570] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/26/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023] Open
Abstract
The rhomboid family are evolutionary conserved intramembrane proteases. Their inactive members, iRhom in Drosophila melanogaster and iRhom1 and iRhom2 in mammals, lack the catalytic center and are hence labelled “inactive” rhomboid family members. In mammals, both iRhoms are involved in maturation and trafficking of the ubiquitous transmembrane protease a disintegrin and metalloprotease (ADAM) 17, which through cleaving many biologically active molecules has a critical role in tumor necrosis factor alpha (TNFα), epidermal growth factor receptor (EGFR), interleukin-6 (IL-6) and Notch signaling. Accordingly, with iRhom2 having a profound influence on ADAM17 activation and substrate specificity it regulates these signaling pathways. Moreover, iRhom2 has a role in the innate immune response to both RNA and DNA viruses and in regulation of keratin subtype expression in wound healing and cancer. Here we review the role of iRhom2 in immunity and disease, both dependent and independent of its regulation of ADAM17.
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Naserian S, Abdelgawad ME, Afshar Bakshloo M, Ha G, Arouche N, Cohen JL, Salomon BL, Uzan G. The TNF/TNFR2 signaling pathway is a key regulatory factor in endothelial progenitor cell immunosuppressive effect. Cell Commun Signal 2020; 18:94. [PMID: 32546175 PMCID: PMC7298859 DOI: 10.1186/s12964-020-00564-3] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 03/23/2020] [Indexed: 12/13/2022] Open
Abstract
Background Endothelial progenitor cells (EPCs) are non-differentiated endothelial cells (ECs) present in blood circulation that are involved in neo-vascularization and correction of damaged endothelial sites. Since EPCs from patients with vascular disorders are impaired and inefficient, allogenic sources from adult or cord blood are considered as good alternatives. However, due to the reaction of immune system against allogenic cells which usually lead to their elimination, we focused on the exact role of EPCs on immune cells, particularly, T cells which are the most important cells applied in immune rejection. TNFα is one of the main activators of EPCs that recognizes two distinct receptors. TNFR1 is expressed ubiquitously and its interaction with TNFα leads to differentiation and apoptosis, whereas, TNFR2 is expressed predominantly on ECs, immune cells and neural cells and is involved in cell survival and proliferation. Interestingly, it has been shown that different immunosuppressive cells express TNFR2 and this is directly related to their immunosuppressive efficiency. However, little is known about immunological profile and function of TNFR2 in EPCs. Methods Using different in-vitro combinations, we performed co-cultures of ECs and T cells to investigate the immunological effect of EPCs on T cells. We interrupted in the TNFα/TNFR2 axis either by blocking the receptor using TNFR2 antagonist or blocking the ligand using T cells derived from TNFα KO mice. Results We demonstrated that EPCs are able to suppress T cell proliferation and modulate them towards less pro-inflammatory and active phenotypes. Moreover, we showed that TNFα/TNFR2 immune-checkpoint pathway is critical in EPC immunomodulatory effect. Conclusions Our results reveal for the first time a mechanism that EPCs use to suppress immune cells, therefore, enabling them to form new immunosuppressive vessels. Furthermore, we have shown the importance of TNFα/TNFR2 axis in EPCs as an immune checkpoint pathway. We believe that targeting TNFR2 is especially crucial in cancer immune therapy since it controls two crucial aspects of tumor microenvironment: 1) Immunosuppression and 2) Angiogenesis. Video Abstract. (MP4 46355 kb)
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Affiliation(s)
- Sina Naserian
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France. .,CellMedEx, Saint Maur Des Fossés, France. .,Paris-Saclay University, Villejuif, France.
| | - Mohamed Essameldin Abdelgawad
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Paris-Saclay University, Villejuif, France.,Biochemistry Division, Chemistry department, Faculty of Science, Helwan University, Cairo, Egypt
| | | | - Guillaume Ha
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France
| | - Nassim Arouche
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Paris-Saclay University, Villejuif, France
| | - José L Cohen
- Univ Paris Est Creteil, INSERM, IMRB, F-94010, Creteil, France.,AP-HP, Hopital Henri Mondor, Centre d'investigation clinique biothérapie, F-94010, Creteil, France
| | - Benoît L Salomon
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Georges Uzan
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France. .,Paris-Saclay University, Villejuif, France.
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34
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Lubrano di Ricco M, Ronin E, Collares D, Divoux J, Grégoire S, Wajant H, Gomes T, Grinberg-Bleyer Y, Baud V, Marodon G, Salomon BL. Tumor necrosis factor receptor family costimulation increases regulatory T-cell activation and function via NF-κB. Eur J Immunol 2020; 50:972-985. [PMID: 32012260 PMCID: PMC7383872 DOI: 10.1002/eji.201948393] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/10/2019] [Accepted: 01/30/2020] [Indexed: 01/06/2023]
Abstract
Several drugs targeting members of the TNF superfamily or TNF receptor superfamily (TNFRSF) are widely used in medicine or are currently being tested in therapeutic trials. However, their mechanism of action remains poorly understood. Here, we explored the effects of TNFRSF co-stimulation on murine Foxp3+ regulatory T cell (Treg) biology, as they are pivotal modulators of immune responses. We show that engagement of TNFR2, 4-1BB, GITR, and DR3, but not OX40, increases Treg proliferation and survival. Triggering these TNFRSF in Tregs induces similar changes in gene expression patterns, suggesting that they engage common signal transduction pathways. Among them, we identified a major role of canonical NF-κB. Importantly, TNFRSF co-stimulation improves the ability of Tregs to suppress colitis. Our data demonstrate that stimulation of discrete TNFRSF members enhances Treg activation and function through a shared mechanism. Consequently, therapeutic effects of drugs targeting TNFRSF or their ligands may be mediated by their effect on Tregs.
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Affiliation(s)
- Martina Lubrano di Ricco
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Emilie Ronin
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Davi Collares
- Université Paris Descartes, Sorbonne Paris Cité, Laboratoire NF-κB, Différenciation et Cancer, Paris, France
| | - Jordane Divoux
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Sylvie Grégoire
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Harald Wajant
- Division Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Tomás Gomes
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Yenkel Grinberg-Bleyer
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM 1052, CNRS 5286, Université Claude Bernard Lyon 1, Labex DEVweCAN, Centre Léon Bérard, Lyon, France
| | - Véronique Baud
- Université Paris Descartes, Sorbonne Paris Cité, Laboratoire NF-κB, Différenciation et Cancer, Paris, France
| | - Gilles Marodon
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Benoît L Salomon
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
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35
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Preferential Expansion of CD4 +Foxp3 + Regulatory T Cells (Tregs) In Vitro by Tumor Necrosis Factor. Methods Mol Biol 2020. [PMID: 31933199 DOI: 10.1007/978-1-0716-0266-9_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
CD4+Foxp3+ regulatory T cells (Tregs) are a distinct subset of CD4 T cells that play indispensable role in the maintenance of immune homeostasis and prevention of deleterious immune responses to self-antigens. Tumor necrosis factor (TNF) is a key cytokine in the autoimmune inflammatory responses. The effect of TNF on Treg activity was extensively studied in the past decade. We for the first time reported that TNF through TNFR2 preferentially activates and expands Tregs. Our discovery is increasingly supported by the research community; however, some controversial results were reported. The differential results are likely caused by different experimental condition. A standard experiment protocol can help researchers to obtain more consistent results. In this chapter, we detail methods used to examine in vitro effect of exogenous TNF on the proliferative expansion of Tregs in unfractionated mouse CD4+ T cells. The related technic issues are analyzed and discussed.
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36
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Poupiot J, Costa Verdera H, Hardet R, Colella P, Collaud F, Bartolo L, Davoust J, Sanatine P, Mingozzi F, Richard I, Ronzitti G. Role of Regulatory T Cell and Effector T Cell Exhaustion in Liver-Mediated Transgene Tolerance in Muscle. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2019; 15:83-100. [PMID: 31649958 PMCID: PMC6804827 DOI: 10.1016/j.omtm.2019.08.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 08/26/2019] [Indexed: 12/15/2022]
Abstract
The pro-tolerogenic environment of the liver makes this tissue an ideal target for gene replacement strategies. In other peripheral tissues such as the skeletal muscle, anti-transgene immune response can result in partial or complete clearance of the transduced fibers. Here, we characterized liver-induced transgene tolerance after simultaneous transduction of liver and muscle. A clinically relevant transgene, α-sarcoglycan, mutated in limb-girdle muscular dystrophy type 2D, was fused with the SIINFEKL epitope (hSGCA-SIIN) and expressed with adeno-associated virus vectors (AAV-hSGCA-SIIN). Intramuscular delivery of AAV-hSGCA-SIIN resulted in a strong inflammatory response, which could be prevented and reversed by concomitant liver expression of the same antigen. Regulatory T cells and upregulation of checkpoint inhibitor receptors were required to establish and maintain liver-mediated peripheral tolerance. This study identifies the fundamental role of the synergy between Tregs and upregulation of checkpoint inhibitor receptors in the liver-mediated control of anti-transgene immunity triggered by muscle-directed gene transfer.
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Affiliation(s)
- Jérôme Poupiot
- INTEGRARE, Genethon, INSERM, Univ Evry, Université Paris-Saclay, 91002 Evry, France
| | | | | | - Pasqualina Colella
- INTEGRARE, Genethon, INSERM, Univ Evry, Université Paris-Saclay, 91002 Evry, France
| | - Fanny Collaud
- INTEGRARE, Genethon, INSERM, Univ Evry, Université Paris-Saclay, 91002 Evry, France
| | - Laurent Bartolo
- UMR 1151, Necker-Institut Enfants Malades-Molecular Medicine Center, Paris, France
| | - Jean Davoust
- UMR 1151, Necker-Institut Enfants Malades-Molecular Medicine Center, Paris, France
| | | | | | - Isabelle Richard
- INTEGRARE, Genethon, INSERM, Univ Evry, Université Paris-Saclay, 91002 Evry, France
| | - Giuseppe Ronzitti
- INTEGRARE, Genethon, INSERM, Univ Evry, Université Paris-Saclay, 91002 Evry, France
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Wajant H, Beilhack A. Targeting Regulatory T Cells by Addressing Tumor Necrosis Factor and Its Receptors in Allogeneic Hematopoietic Cell Transplantation and Cancer. Front Immunol 2019; 10:2040. [PMID: 31555271 PMCID: PMC6724557 DOI: 10.3389/fimmu.2019.02040] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 08/12/2019] [Indexed: 12/15/2022] Open
Abstract
An intricate network of molecular and cellular actors orchestrates the delicate balance between effector immune responses and immune tolerance. The pleiotropic cytokine tumor necrosis factor-alpha (TNF) proves as a pivotal protagonist promoting but also suppressing immune responses. These opposite actions are accomplished through specialist cell types responding to TNF via TNF receptors TNFR1 and TNFR2. Recent findings highlight the importance of TNFR2 as a key regulator of activated natural FoxP3+ regulatory T cells (Tregs) in inflammatory conditions, such as acute graft-vs.-host disease (GvHD) and the tumor microenvironment. Here we review recent advances in our understanding of TNFR2 signaling in T cells and discuss how these can reconcile seemingly conflicting observations when manipulating TNF and TNFRs. As TNFR2 emerges as a new and attractive target we furthermore pinpoint strategies and potential pitfalls for therapeutic targeting of TNFR2 for cancer treatment and immune tolerance after allogeneic hematopoietic cell transplantation.
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Affiliation(s)
- Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Andreas Beilhack
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany.,Center for Interdisciplinary Clinical Research, University of Würzburg, Würzburg, Germany.,Else-Kröner-Forschungskolleg Würzburg, Würzburg University Hospital, Würzburg University, Würzburg, Germany
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38
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Copsel S, Wolf D, Komanduri KV, Levy RB. The promise of CD4 +FoxP3 + regulatory T-cell manipulation in vivo: applications for allogeneic hematopoietic stem cell transplantation. Haematologica 2019; 104:1309-1321. [PMID: 31221786 PMCID: PMC6601084 DOI: 10.3324/haematol.2018.198838] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 05/07/2019] [Indexed: 12/12/2022] Open
Abstract
CD4+FoxP3+ regulatory T cells (Tregs) are a non-redundant population critical for the maintenance of self-tolerance. Over the past decade, the use of these cells for therapeutic purposes in transplantation and autoimmune disease has emerged based on their capacity to inhibit immune activation. Basic science discoveries have led to identifying key receptors on Tregs that can regulate their proliferation and function. Notably, the understanding that IL-2 signaling is crucial for Treg homeostasis promoted the hypothesis that in vivo IL-2 treatment could provide a strategy to control the compartment. The use of low-dose IL-2 in vivo was shown to selectively expand Tregs versus other immune cells. Interestingly, a number of other Treg cell surface proteins, including CD28, CD45, IL-33R and TNFRSF members, have been identified which can also induce activation and proliferation of this population. Pre-clinical studies have exploited these observations to prevent and treat mice developing autoimmune diseases and graft-versus-host disease post-allogeneic hematopoietic stem cell transplantation. These findings support the development of translational strategies to expand Tregs in patients. Excitingly, the use of low-dose IL-2 for patients suffering from graft-versus-host disease and autoimmune disease has demonstrated increased Treg levels together with beneficial outcomes. To date, promising pre-clinical and clinical studies have directly targeted Tregs and clearly established the ability to increase their levels and augment their function in vivo. Here we review the evolving field of in vivo Treg manipulation and its application to allogeneic hematopoietic stem cell transplantation.
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Affiliation(s)
| | | | - Krishna V Komanduri
- Department of Microbiology and Immunology.,Sylvester Comprehensive Cancer Center.,Division of Transplantation and Cellular Therapy, Department of Medicine
| | - Robert B Levy
- Department of Microbiology and Immunology .,Division of Transplantation and Cellular Therapy, Department of Medicine.,Department of Ophthalmology, Miller School of Medicine, University of Miami, FL, USA
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39
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A Perspective Review on the Role of Nanomedicine in the Modulation of TNF-TNFR2 Axis in Breast Cancer Immunotherapy. JOURNAL OF ONCOLOGY 2019; 2019:6313242. [PMID: 31239840 PMCID: PMC6556275 DOI: 10.1155/2019/6313242] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 04/23/2019] [Indexed: 12/24/2022]
Abstract
In the past decade, nanomedicine research has provided us with highly useful agents (nanoparticles) delivering therapeutic drugs to target cancer cells. The present review highlights nanomedicine applications for breast cancer immunotherapy. Recent studies have suggested that tumour necrosis factor (TNF) and its receptor 2 (TNFR2) expressed on breast cancer cells have important functional consequences. This cytokine/receptor interaction is also critical for promoting highly immune-suppressive phenotypes by regulatory T cells (Tregs). This review generally provides a background for nanoparticles as potential drug delivery agents for immunomodulators and further discusses in depth the potential of TNF antagonists delivery to modulate TNF-TNFR2 interactions and inhibit breast cancer progression.
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40
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Mancusi A, Alvarez M, Piccinelli S, Velardi A, Pierini A. TNFR2 signaling modulates immunity after allogeneic hematopoietic cell transplantation. Cytokine Growth Factor Rev 2019; 47:54-61. [PMID: 31122819 DOI: 10.1016/j.cytogfr.2019.05.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 05/09/2019] [Indexed: 02/07/2023]
Abstract
Tumor necrosis factor-α (TNF-α) signaling through TNF receptor 2 (TNFR2) plays a complex immune regulatory role in allogeneic hematopoietic cell transplantation (HCT). TNF-α is rapidly released in the circulation after the conditioning regimen with chemotherapy and/or radiotherapy. It activates the function of donor alloreactive T cells and donor Natural Killer cells and promotes graft versus tumor effects. However, donor alloreactive T cells also attack host tissues and cause graft versus host disease (GVHD), a life-threatening complication of HCT. Indeed, anti-TNF-α therapy has been used to treat steroid-refractory GVHD. Recent studies have highlighted another role for TNFR2 signaling, as it enhances the function of immune cells with suppressive properties, in particular CD4+Foxp3+ regulatory T cells (Tregs). Various clinical trials are employing Treg-based treatments to prevent or treat GVHD. The present review will discuss the effects of TNFR2 signaling in the setting of allogeneic HCT, the implications for the use of anti-TNF-α therapy to treat GVHD and the clinical perspectives of strategies that specifically target this pathway.
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Affiliation(s)
- Antonella Mancusi
- Hematology and Clinical Immunology and Bone Marrow Transplant Program, Department of Medicine, University of Perugia, Perugia, 06132, Italy
| | - Maite Alvarez
- Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), Pamplona, Spain; Navarra Institute for Health Research (IDISNA), Pamplona, Spain
| | - Sara Piccinelli
- Hematology and Clinical Immunology and Bone Marrow Transplant Program, Department of Medicine, University of Perugia, Perugia, 06132, Italy
| | - Andrea Velardi
- Hematology and Clinical Immunology and Bone Marrow Transplant Program, Department of Medicine, University of Perugia, Perugia, 06132, Italy
| | - Antonio Pierini
- Hematology and Clinical Immunology and Bone Marrow Transplant Program, Department of Medicine, University of Perugia, Perugia, 06132, Italy.
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41
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Egli-Spichtig D, Imenez Silva PH, Glaudemans B, Gehring N, Bettoni C, Zhang MYH, Pastor-Arroyo EM, Schönenberger D, Rajski M, Hoogewijs D, Knauf F, Misselwitz B, Frey-Wagner I, Rogler G, Ackermann D, Ponte B, Pruijm M, Leichtle A, Fiedler GM, Bochud M, Ballotta V, Hofmann S, Perwad F, Föller M, Lang F, Wenger RH, Frew I, Wagner CA. Tumor necrosis factor stimulates fibroblast growth factor 23 levels in chronic kidney disease and non-renal inflammation. Kidney Int 2019; 96:890-905. [PMID: 31301888 DOI: 10.1016/j.kint.2019.04.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 03/11/2019] [Accepted: 04/05/2019] [Indexed: 01/03/2023]
Abstract
Fibroblast growth factor 23 (FGF23) regulates phosphate homeostasis, and its early rise in patients with chronic kidney disease is independently associated with all-cause mortality. Since inflammation is characteristic of chronic kidney disease and associates with increased plasma FGF23 we examined whether inflammation directly stimulates FGF23. In a population-based cohort, plasma tumor necrosis factor (TNF) was the only inflammatory cytokine that independently and positively correlated with plasma FGF23. Mouse models of chronic kidney disease showed signs of renal inflammation, renal FGF23 expression and elevated systemic FGF23 levels. Renal FGF23 expression coincided with expression of the orphan nuclear receptor Nurr1 regulating FGF23 in other organs. Antibody-mediated neutralization of TNF normalized plasma FGF23 and suppressed ectopic renal Fgf23 expression. Conversely, TNF administration to control mice increased plasma FGF23 without altering plasma phosphate. Moreover, in Il10-deficient mice with inflammatory bowel disease and normal kidney function, plasma FGF23 was elevated and normalized upon TNF neutralization. Thus, the inflammatory cytokine TNF contributes to elevated systemic FGF23 levels and also triggers ectopic renal Fgf23 expression in animal models of chronic kidney disease.
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Affiliation(s)
- Daniela Egli-Spichtig
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland; Department of Pediatrics, Division of Nephrology, University of California, San Francisco, San Francisco, California, USA
| | - Pedro Henrique Imenez Silva
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Bob Glaudemans
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Nicole Gehring
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Carla Bettoni
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Martin Y H Zhang
- Department of Pediatrics, Division of Nephrology, University of California, San Francisco, San Francisco, California, USA
| | - Eva M Pastor-Arroyo
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Désirée Schönenberger
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Michal Rajski
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - David Hoogewijs
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Felix Knauf
- Division of Nephrology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Benjamin Misselwitz
- University Hospital Zurich, Clinic for Gastroenterology and Hepatology, Zurich, Switzerland
| | - Isabelle Frey-Wagner
- University Hospital Zurich, Clinic for Gastroenterology and Hepatology, Zurich, Switzerland
| | - Gerhard Rogler
- University Hospital Zurich, Clinic for Gastroenterology and Hepatology, Zurich, Switzerland
| | - Daniel Ackermann
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Belen Ponte
- Department of Nephrology, University Hospital of Geneva (HUG), Geneva, Switzerland
| | - Menno Pruijm
- Department of Nephrology, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Alexander Leichtle
- Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Georg-Martin Fiedler
- Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Murielle Bochud
- Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland; Institute of Social and Preventive Medicine (IUMSP), Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Virginia Ballotta
- Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Sandra Hofmann
- Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Farzana Perwad
- Department of Pediatrics, Division of Nephrology, University of California, San Francisco, San Francisco, California, USA
| | - Michael Föller
- Institute of Physiology, University of Hohenheim, Stuttgart, Germany
| | - Florian Lang
- Institute of Physiology I, University of Tübingen, Tübingen, Germany
| | - Roland H Wenger
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Ian Frew
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland
| | - Carsten A Wagner
- Institute of Physiology, University of Zurich, Zurich, Switzerland; Swiss National Center of Competence in Research NCCR-Kidney.CH, University of Zurich, Zurich, Switzerland.
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42
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Immune Checkpoint Ligand Reverse Signaling: Looking Back to Go Forward in Cancer Therapy. Cancers (Basel) 2019; 11:cancers11050624. [PMID: 31060225 PMCID: PMC6563035 DOI: 10.3390/cancers11050624] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 04/30/2019] [Accepted: 05/02/2019] [Indexed: 02/06/2023] Open
Abstract
The so-called immune checkpoints are pathways that regulate the timing and intensity of the immune response to avoid an excessive reaction and to protect the host from autoimmunity. Immune checkpoint inhibitors (ICIs) are designed to target the negative regulatory pathways of T cells, and they have been shown to restore anti-tumor immune functions and achieve considerable clinical results. Indeed, several clinical trials have reported durable clinical response in different tumor types, such as melanoma, renal cell carcinoma (RCC) and non-small cell lung cancer (NSCLC). Nonetheless, after the initial enthusiasm, it is now evident that the majority of patients do not benefit from ICIs, due to innate or acquired tumor resistance. It is therefore mandatory to find ways to identify those patients who will respond and to find ways to induce response in those who at present do not benefit from ICIs. In this regard, the expression of programmed death ligand 1 (PD-L1) on neoplastic cells was the first, and most obvious, biomarker exploited to predict the activity of anti-programmed death 1 (PD-1) and/or anti-PD-L1 antibodies. As expected, a correlation was confirmed between the levels of PD-L1 and the efficacy of anti-PD-1 therapy in melanoma, NSCLC and RCC. However, further results from clinical trials showed that some patients display a clinical response regardless of tumor cell PD-L1 expression levels, while others do not benefit from ICI treatment despite the expression of PD-L1 on neoplastic elements. These findings strongly support the notion that other factors may be relevant for the efficacy of ICI-based treatment regimens. Furthermore, although the current dogma indicates that the PD-1/PD-L1 axis exerts its regulatory effects via the signal transduced in PD-1-expressing T cells, recent evidence suggests that a reverse signaling may also exist downstream of PD-L1 in both tumor and immune cells. The reverse signaling of PD-L1, but also of other immune checkpoints, might contribute to the pro-tumoral/immune suppressive environment associated with tumor development and progression. Clarifying this aspect could facilitate the prediction of patients’ clinical outcomes, which are so far unpredictable and result in response, resistance or even hyper-progressive disease in some cases.
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43
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He J, Li R, Chen Y, Hu Y, Chen X. TNFR2-expressing CD4 +Foxp3 + regulatory T cells in cancer immunology and immunotherapy. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2019; 164:101-117. [PMID: 31383403 DOI: 10.1016/bs.pmbts.2019.03.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
CD4+Foxp3+ regulatory T cells (Tregs) represent a major cellular mechanism in tumor immune evasion. Elimination of Treg activity has become a strategy to devise an effective tumor immunotherapy. We reported that TNF receptor type II (TNFR2), one of two receptors transducing TNF biological activity, is preferentially expressed by the most suppressive subset of Tregs. By interaction with TNFR2, TNF plays a decisive role in the activation, expansion and phenotype stability of Tregs. We also found that highly suppressive TNFR2-expressing Tregs appear to be tumor-associated Tregs. This finding has been supported by recent studies in mouse tumor models and in cancer patients. In this chapter, published data revealing the important role of TNFR2+ Tregs in tumor development and metastasis in different tumor types are reviewed and analyzed. The therapeutic potential of targeting TNF-TNFR2 interaction as means to eliminate Treg activity, and consequently to enhance anti-tumor immune responses, also is discussed.
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Affiliation(s)
- Jiang He
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China; Investment Banking, Shenzhen Rhino Star Information Co. Ltd., Shenzhen, China
| | - Ruixin Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Yibo Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Yuanjia Hu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Xin Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.
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44
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Jung MK, Lee JS, Kwak JE, Shin EC. Tumor Necrosis Factor and Regulatory T Cells. Yonsei Med J 2019; 60:126-131. [PMID: 30666833 PMCID: PMC6342721 DOI: 10.3349/ymj.2019.60.2.126] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 11/17/2018] [Accepted: 11/17/2018] [Indexed: 12/13/2022] Open
Abstract
CD4⁺CD25⁺FoxP3⁺ regulatory T (Treg) cells play major roles in the maintenance of immune homeostasis. In this review, we comprehensively describe the relationship between tumor necrosis factor (TNF) and Treg cells, focusing on the effects of TNF on Treg cells and on TNF-producing Treg cells. Contradictory results have been reported for the effect of TNF on the suppressive activity of Treg cells. In patients with rheumatoid arthritis, TNF has been shown to reduce the suppressive activity of Treg cells. Meanwhile, however, TNF has also been reported to maintain the suppressive activity of Treg cells via a TNFR2-mediated mechanism. In addition, Treg cells have been found to acquire the ability to produce TNF under inflammatory conditions, such as acute viral hepatitis. These TNF-producing Treg cells exhibit T helper 17-like features and hold significance in various human diseases.
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Affiliation(s)
- Min Kyung Jung
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Jeong Seok Lee
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Jeong Eun Kwak
- BioMedical Science and Engineering Interdisciplinary Program, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Eui Cheol Shin
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
- BioMedical Science and Engineering Interdisciplinary Program, Korea Advanced Institute of Science and Technology, Daejeon, Korea.
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45
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Hyperprogressive disease: recognizing a novel pattern to improve patient management. Nat Rev Clin Oncol 2018; 15:748-762. [DOI: 10.1038/s41571-018-0111-2] [Citation(s) in RCA: 237] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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46
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Sequeira I, Neves JF, Carrero D, Peng Q, Palasz N, Liakath-Ali K, Lord GM, Morgan PR, Lombardi G, Watt FM. Immunomodulatory role of Keratin 76 in oral and gastric cancer. Nat Commun 2018; 9:3437. [PMID: 30143634 PMCID: PMC6109110 DOI: 10.1038/s41467-018-05872-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 07/26/2018] [Indexed: 11/09/2022] Open
Abstract
Keratin 76 (Krt76) is expressed in the differentiated epithelial layers of skin, oral cavity and squamous stomach. Krt76 downregulation in human oral squamous cell carcinomas (OSCC) correlates with poor prognosis. We show that genetic ablation of Krt76 in mice leads to spleen and lymph node enlargement, an increase in regulatory T cells (Tregs) and high levels of pro-inflammatory cytokines. Krt76-/- Tregs have increased suppressive ability correlated with increased CD39 and CD73 expression, while their effector T cells are less proliferative than controls. Loss of Krt76 increases carcinogen-induced tumours in tongue and squamous stomach. Carcinogenesis is further increased when Treg levels are elevated experimentally. The carcinogenesis response includes upregulation of pro-inflammatory cytokines and enhanced accumulation of Tregs in the tumour microenvironment. Tregs also accumulate in human OSCC exhibiting Krt76 loss. Our study highlights the role of epithelial cells in modulating carcinogenesis via communication with cells of the immune system.
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Affiliation(s)
- Inês Sequeira
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Joana F Neves
- Department of Experimental Immunobiology, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Dido Carrero
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Qi Peng
- Immunoregulation Laboratory, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Natalia Palasz
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Kifayathullah Liakath-Ali
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK.,Department of Molecular and Cellular Physiology and Howard Hughes Medical Institute, Stanford University Medical School, Stanford, 265 Campus Drive, CA, 94305-5453, USA
| | - Graham M Lord
- Department of Experimental Immunobiology, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Peter R Morgan
- Department of Mucosal and Salivary Biology, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Giovanna Lombardi
- Immunoregulation Laboratory, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Fiona M Watt
- Centre for Stem Cells & Regenerative Medicine, King's College London, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK.
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47
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Wang J, Ferreira R, Lu W, Farrow S, Downes K, Jermutus L, Minter R, Al-Lamki RS, Pober JS, Bradley JR. TNFR2 ligation in human T regulatory cells enhances IL2-induced cell proliferation through the non-canonical NF-κB pathway. Sci Rep 2018; 8:12079. [PMID: 30104686 PMCID: PMC6089958 DOI: 10.1038/s41598-018-30621-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 08/01/2018] [Indexed: 01/11/2023] Open
Abstract
Human T regulatory cells (T regs) express high levels of TNF receptor 2 (TNFR2). Ligation of TNFR2 with TNF, which can recognise both TNFR1 and TNFR2, or with a TNFR2-selective binding molecule, DARPin 18 (D18) activates canonical NF-κB signalling, assessed by IκBα degradation, and the magnitude of the response correlates with the level of TNFR2 expression. RNA-seq analysis of TNF- or D18-treated human T regs revealed that TNFR2 ligation induces transcription of NFKB2 and RELB, encoding proteins that form the non-canonical NF-κB transcription factor. In combination with IL2, D18 treatment is specific for T regs in (1) stabilising NF-κB-inducing kinase protein, the activator of non-canonical NF-κB signalling, (2) inducing translocation of RelB from cytosol to nucleus, (3) increasing cell cycle entry, and (4) increasing cell numbers. However, the regulatory function of the expanded T regs is unaltered. Inhibition of RelB nuclear translocation blocks the proliferative response. We conclude that ligation of TNFR2 by D18 enhances IL2-induced T regs proliferation and expansion in cell number through the non-canonical NF-κB pathway.
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Affiliation(s)
- Jun Wang
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, United Kingdom.
| | - Ricardo Ferreira
- JDRF/Wellcome Diabetes and Inflammation Laboratory, Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Wanhua Lu
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, United Kingdom
| | - Samatha Farrow
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Kate Downes
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Lutz Jermutus
- MedImmune Ltd., Granta Park, Cambridge, CB21 6GH, UK
| | - Ralph Minter
- MedImmune Ltd., Granta Park, Cambridge, CB21 6GH, UK
| | - Rafia S Al-Lamki
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, United Kingdom
| | - Jordan S Pober
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States
| | - John R Bradley
- Department of Medicine, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, United Kingdom
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48
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He T, Liu S, Chen S, Ye J, Wu X, Bian Z, Chen X. The p38 MAPK Inhibitor SB203580 Abrogates Tumor Necrosis Factor-Induced Proliferative Expansion of Mouse CD4 +Foxp3 + Regulatory T Cells. Front Immunol 2018; 9:1556. [PMID: 30038619 PMCID: PMC6046375 DOI: 10.3389/fimmu.2018.01556] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 06/25/2018] [Indexed: 12/27/2022] Open
Abstract
There is now compelling evidence that tumor necrosis factor (TNF) preferentially activates and expands CD4+Foxp3+ regulatory T cells (Tregs) through TNF receptor type II (TNFR2). However, it remains unclear which signaling transduction pathway(s) of TNFR2 is required for the stimulation of Tregs. Previously, it was shown that the interaction of TNF–TNFR2 resulted in the activation of a number of signaling pathways, including p38 MAPK, NF-κB, in T cells. We thus examined the role of p38 MAPK and NF-κB in TNF-mediated activation of Tregs, by using specific small molecule inhibitors. The results show that treatment with specific p38 MAPK inhibitor SB203580, rather than NF-κB inhibitors (Sulfasalazine and Bay 11-7082), abrogated TNF-induced expansion of Tregs in vitro. Furthermore, upregulation of TNFR2 and Foxp3 expression in Tregs by TNF was also markedly inhibited by SB203580. The proliferative expansion and the upregulation of TNFR2 expression on Tregs in LPS-treated mice were mediated by TNF–TNFR2 interaction, as shown by our previous study. The expansion of Tregs in LPS-treated mice were also markedly inhibited by in vivo treatment with SB203580. Taken together, our data clearly indicate that the activation of p38 MAPK is attributable to TNF/TNFR2-mediated activation and proliferative expansion of Tregs. Our results also suggest that targeting of p38 MAPK by pharmacological agent may represent a novel strategy to up- or downregulation of Treg activity for therapeutic purposes.
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Affiliation(s)
- Tianzhen He
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
| | - Shuoyang Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
| | - Shaokui Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
| | - Jingyi Ye
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
| | - Xueqiang Wu
- Department of Oncology, Beijing Aerospace General Hospital, Beijing, China
| | - Zhaoxiang Bian
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Xin Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
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49
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Shaikh F, He J, Bhadra P, Chen X, Siu SWI. TNF Receptor Type II as an Emerging Drug Target for the Treatment of Cancer, Autoimmune Diseases, and Graft-Versus-Host Disease: Current Perspectives and In Silico Search for Small Molecule Binders. Front Immunol 2018; 9:1382. [PMID: 29967617 PMCID: PMC6015900 DOI: 10.3389/fimmu.2018.01382] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 06/04/2018] [Indexed: 12/17/2022] Open
Abstract
There is now compelling evidence that TNF receptor type II (TNFR2) is predominantly expressed on CD4+Foxp3+ regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs), and plays a major role in the expansion and function of Tregs and MDSCs. Consequently, targeting of TNFR2 by either antagonists or agonists may represent a novel strategy in the treatment of cancer and autoimmune diseases, by downregulating or upregulating suppressor cell activity. The advance in the understanding of complex structure of TNFR2 and its binding with TNF at molecular levels offers opportunity for structure-guided drug discovery. This article reviews the current evidences regarding the decisive role of TNFR2 in immunosuppressive function of Tregs and MDSCs, and the current effort to develop novel TNFR2-targeting therapeutic agents in the treatment of cancer, autoimmune diseases, and graft-versus-host disease. To shed light on the potential TNFR2-targeting small molecules, we for the first time performed virtual screening of 400,000 natural compounds against the two TNF-binding sites, regions 3 and 4, of TNFR2. Our result showed that the top hits at region 4 had slightly higher docking energies than those at region 3. Nevertheless, free energy calculation from the TNF–TNFR2 molecular dynamics simulation revealed that the binding strength of TNF in region 3 is only one-tenth of that in region 4. This suggests that region 3 is a potentially more viable binding site to be targeted by small molecules than region 4. Therefore, the effectiveness in targeting region 3 of TNFR2 deserves further investigation.
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Affiliation(s)
- Faraz Shaikh
- Department of Computer and Information Science, Faculty of Science and Technology, University of Macau, Macao, China
| | - Jiang He
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Pratiti Bhadra
- Department of Computer and Information Science, Faculty of Science and Technology, University of Macau, Macao, China
| | - Xin Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Shirley W I Siu
- Department of Computer and Information Science, Faculty of Science and Technology, University of Macau, Macao, China
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50
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Wang M, Zhang C, Tian T, Zhang T, Wang R, Han F, Zhong C, Hua M, Ma D. Increased Regulatory T Cells in Peripheral Blood of Acute Myeloid Leukemia Patients Rely on Tumor Necrosis Factor (TNF)-α-TNF Receptor-2 Pathway. Front Immunol 2018; 9:1274. [PMID: 29922294 PMCID: PMC5996048 DOI: 10.3389/fimmu.2018.01274] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 05/22/2018] [Indexed: 11/13/2022] Open
Abstract
Acute myeloid leukemia (AML) harbors an immune suppression environment, featured by increased regulatory T cells (Tregs). The expression of tumor necrosis factor receptor-2 (TNFR2) on Tregs could be used to identify the maximally suppressive Treg population, and TNF-α furtherly promoted the expansion and function of Tregs via TNFR2 in mice. However, the role of TNF-α has not been determined in AML patients. In view of high levels of TNF-α and Tregs in AML patients, we hypothesized that the increased frequency of Tregs may rely on TNF-α–TNFR2 pathway. We investigated the levels of TNFR2+ Tregs and TNF-α secreted by T cells in peripheral blood (PB) of AML by flow cytometry and enzyme-linked immunosorbent assay, respectively. Our results showed the elevated plasma TNF-α in PB of newly diagnosed (ND) AML patients. The production of TNF-α by CD4+ T cells, especially by T helper (Th)17 cells was remarkably higher in ND AML patients than in complete remission (CR) patients and healthy controls. Then, we found that the circulating frequencies of CD4+CD25+ Tregs and CD4+CD25high Tregs in AML patients were elevated compared with those in healthy controls and CR patients. TNFR2 expression was much higher on Tregs in AML patients and was preferentially expressed on CD4+CD25high T cells. Furthermore, we confirmed that, in vitro, the additional TNF-α can increase the frequency of Tregs through TNFR2 in both AML patients and healthy controls. Summarily, in AML patients, the abnormally elevated level of TNF-α secreted by CD4+ T especially Th17 cells promoted the higher Tregs frequency via the TNF-α–TNFR2 pathway.
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Affiliation(s)
- Min Wang
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China.,Department of Hematology, Jinan Central Hospital, Affiliated to Shandong University, Jinan, China
| | - Chen Zhang
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
| | - Tian Tian
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, United States
| | - Teng Zhang
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
| | - Ruiqing Wang
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
| | - Fengjiao Han
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
| | - Chaoqin Zhong
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
| | - Mingqiang Hua
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
| | - Daoxin Ma
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, China
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