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Anany MA, Haack S, Lang I, Dahlhoff J, Vargas JG, Steinfatt T, Päckert L, Weisenberger D, Zaitseva O, Medler J, Kucka K, Zhang T, Van Belle T, van Rompaey L, Beilhack A, Wajant H. Generic design principles for antibody-based tumour necrosis factor (TNF) receptor 2 (TNFR2) agonists with FcγR-independent agonism. Theranostics 2024; 14:496-509. [PMID: 38169605 PMCID: PMC10758050 DOI: 10.7150/thno.84404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 11/06/2023] [Indexed: 01/05/2024] Open
Abstract
Background: Selective TNFR2 activation can be used to treat immune pathologies by activating and expanding regulatory T-cells (Tregs) but may also restore anti-tumour immunity by co-stimulating CD8+ T-cells. Oligomerized TNFR2-specific TNF mutants or anti-TNFR2 antibodies can activate TNFR2 but suffer either from poor production and pharmacokinetics or in the case of anti-TNFR2 antibodies typically from the need of FcγR binding to elicit maximal agonistic activity. Methods: To identify the major factor(s) determining FcγR-independent agonism of anti-TNFR2 antibodies, we systematically investigated a comprehensive panel of anti-TNFR2 antibodies and antibody-based constructs differing in the characteristics of their TNFR2 binding domains but also in the number and positioning of the latter. Results: We identified the domain architecture of the constructs as the pivotal factor enabling FcγR-independent, thus intrinsic TNFR2-agonism. Anti-TNFR2 antibody formats with either TNFR2 binding sites on opposing sites of the antibody scaffold or six or more TNFR2 binding sites in similar orientation regularly showed strong FcγR-independent agonism. The affinity of the TNFR2 binding domain and the epitope recognized in TNFR2, however, were found to be of only secondary importance for agonistic activity. Conclusion: Generic design principles enable the generation of highly active bona fide TNFR2 agonists from nearly any TNFR2-specific antibody.
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Affiliation(s)
- Mohamed A. Anany
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Department of Microbial Biotechnology, Institute of Biotechnology, National Research Center, Dokki, Giza, Egypt
| | - Stefanie Haack
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research (IZKF) laboratory Würzburg, Center for Experimental Molecular Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Isabell Lang
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Julia Dahlhoff
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research (IZKF) laboratory Würzburg, Center for Experimental Molecular Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Juan Gamboa Vargas
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research (IZKF) laboratory Würzburg, Center for Experimental Molecular Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Tim Steinfatt
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research (IZKF) laboratory Würzburg, Center for Experimental Molecular Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Lea Päckert
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Daniela Weisenberger
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Olena Zaitseva
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Juliane Medler
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Kirstin Kucka
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Tengyu Zhang
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | | | | | - Andreas Beilhack
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research (IZKF) laboratory Würzburg, Center for Experimental Molecular Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
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Schober S, Rottenberger JM, Hilz J, Schmid E, Ebinger M, Feuchtinger T, Handgretinger R, Lang P, Queudeville M. Th1 cytokines in pediatric acute lymphoblastic leukemia. Cancer Immunol Immunother 2023; 72:3621-3634. [PMID: 37610672 PMCID: PMC10576712 DOI: 10.1007/s00262-023-03512-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/29/2023] [Indexed: 08/24/2023]
Abstract
Immune milieus play an important role in various types of cancer. The present study focuses on the effect of Th1 cytokines on pediatric acute lymphoblastic leukemia (ALL). The reaction of ALL cell lines and patient-derived xenografts (PDX) to the most important Th1 cytokines TNF-α (tumor necrosis factor alpha) and IFN-γ (interferon gamma) is analyzed and correlated with the respective cytokine receptors and the intracellular signaling molecules. ALL cell lines and ALL PDX display a great heterogeneity in cell death after incubation with TNF-α and IFN-γ. Several samples show a dose-dependent and additive induction of cell death by both cytokines; others do not react at all or even display an increased viability. Apoptosis is the main type of cell death induced by Th1 cytokines in ALL cells. Over all leukemia cells analyzed, IFN-γ receptor (IFNGR) shows a higher expression than both TNF-receptors, resulting in higher phosphorylation of STAT1 (signal transducer and activator of transcription) compared to phosphorylation of NF-κB (nuclear factor kappa-light-chain-enhancer of activated B-cells) in the TNF pathway. The activation of STAT1 correlates with the amount of cell death after stimulation with Th1 cytokines. TNF-α and IFN-γ lead to heterogeneous reactions in ALL cell lines and ALL PDX but are able to induce cell death by apoptosis in the majority of ALL blasts. The correlation of a high expression of IFNGR and following activation of STAT1 with cell death indicates an important role for IFN-γ signaling in this setting.
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Affiliation(s)
- Sarah Schober
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Jennifer M Rottenberger
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Johannes Hilz
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Evi Schmid
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Martin Ebinger
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | | | - Rupert Handgretinger
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Peter Lang
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany
| | - Manon Queudeville
- Department I - General Pediatrics, Hematology/Oncology, University Children's Hospital, Eberhard Karls University Tuebingen, Tuebingen, Germany.
- Division for Pediatric Stem Cell Transplantation and Immunology, Clinic for Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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3
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Wei H, Zhou L, Zhao X, Xie F. Network-Based Pharmacological Study on the Mechanism of Action of Buxue Liqi Huatan Decoction in the Treatment of Lung Cancer. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:3418687. [PMID: 36035842 PMCID: PMC9417787 DOI: 10.1155/2022/3418687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/11/2022] [Accepted: 07/19/2022] [Indexed: 11/18/2022]
Abstract
Objective This study aimed to investigate the mechanism of action of Buxue Liqi Huatan decoction against lung cancer through network pharmacology. Methods The chemical composition and targets of all the drugs in the Buxue Liqi Huatan decoction were obtained through the Database and Systematic Analysis Platform of Traditional Chinese Medicine Pharmacology, the Integrated Database of Traditional Chinese Medicine, and by screening lung cancer targets with the gene map and OMIM database. The targets were then imported into Cytoscape 3.7.2 to build a target network of active ingredients and imported into the STRING database to build a protein-protein interaction network. The BisoGenet plug-in in Cytoscape 3.7.2 was used for network topology analysis. Genetic ontology (GO) enrichment analysis and Kyoto Encyclopedia of Gene and Genomes (KEGG) enrichment analysis were performed on potential targets of the Buxue Liqi Huatan decoction for lung cancer using the R-language Bioconductor platform, and results were imported from Cytoscape 3.7.2 to obtain the KEGG network connection diagram via the Autodock molecular docking software. Results A total of 238 chemical components and 694 disease targets were obtained, including 133 intersecting targets. The key targets included TP53, AKT1, and MYC, and the GO functional analysis was mainly related to oxidative and cellular oxidative stress, apoptotic signaling, and antibiotic response. The results showed that the key target with the best binding performance was TP53. Conclusion The treatment of lung cancer with blood-supplementing, qi-transforming, and phlegm-transforming soups works through multiple components and targets. The active ingredients include quercetin, luteolin, naringenin, and baicalein. Among them, the core proteins of PPI protein interaction mainly include TP53, AKT1, MYC, EGRF, CCNB1, and ESR1. The enrichment analysis results show that the TNF signal pathway, PI3K-Akt signal pathway, AGE-RAGE, IL-17, etc., are the main signal pathways of Buxue Liqi Huatan decoction in treating lung cancer. This lays the foundation for further study of its mechanism.
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Affiliation(s)
- Huabing Wei
- Department of Thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Lihuang Zhou
- Department of Thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaojing Zhao
- Department of Thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Feng Xie
- Department of Thoracic Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Ni Y, Low JT, Silke J, O'Reilly LA. Digesting the Role of JAK-STAT and Cytokine Signaling in Oral and Gastric Cancers. Front Immunol 2022; 13:835997. [PMID: 35844493 PMCID: PMC9277720 DOI: 10.3389/fimmu.2022.835997] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 05/16/2022] [Indexed: 12/12/2022] Open
Abstract
When small proteins such as cytokines bind to their associated receptors on the plasma membrane, they can activate multiple internal signaling cascades allowing information from one cell to affect another. Frequently the signaling cascade leads to a change in gene expression that can affect cell functions such as proliferation, differentiation and homeostasis. The Janus kinase-signal transducer and activator of transcription (JAK-STAT) and the tumor necrosis factor receptor (TNFR) are the pivotal mechanisms employed for such communication. When deregulated, the JAK-STAT and the TNF receptor signaling pathways can induce chronic inflammatory phenotypes by promoting more cytokine production. Furthermore, these signaling pathways can promote replication, survival and metastasis of cancer cells. This review will summarize the essentials of the JAK/STAT and TNF signaling pathways and their regulation and the molecular mechanisms that lead to the dysregulation of the JAK-STAT pathway. The consequences of dysregulation, as ascertained from founding work in haematopoietic malignancies to more recent research in solid oral-gastrointestinal cancers, will also be discussed. Finally, this review will highlight the development and future of therapeutic applications which modulate the JAK-STAT or the TNF signaling pathways in cancers.
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Affiliation(s)
- Yanhong Ni
- Central Laboratory, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jun T Low
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - John Silke
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Lorraine A O'Reilly
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
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5
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Ben-Baruch A. Tumor Necrosis Factor α: Taking a Personalized Road in Cancer Therapy. Front Immunol 2022; 13:903679. [PMID: 35663982 PMCID: PMC9157545 DOI: 10.3389/fimmu.2022.903679] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/25/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Adit Ben-Baruch
- The Shmunis School of Biomedicine and Cancer Research, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
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6
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Medler J, Kucka K, Wajant H. Tumor Necrosis Factor Receptor 2 (TNFR2): An Emerging Target in Cancer Therapy. Cancers (Basel) 2022; 14:cancers14112603. [PMID: 35681583 PMCID: PMC9179537 DOI: 10.3390/cancers14112603] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/19/2022] [Accepted: 05/22/2022] [Indexed: 12/12/2022] Open
Abstract
Despite the great success of TNF blockers in the treatment of autoimmune diseases and the identification of TNF as a factor that influences the development of tumors in many ways, the role of TNFR2 in tumor biology and its potential suitability as a therapeutic target in cancer therapy have long been underestimated. This has been fundamentally changed with the identification of TNFR2 as a regulatory T-cell (Treg)-stimulating factor and the general clinical breakthrough of immunotherapeutic approaches. However, considering TNFR2 as a sole immunosuppressive factor in the tumor microenvironment does not go far enough. TNFR2 can also co-stimulate CD8+ T-cells, sensitize some immune and tumor cells to the cytotoxic effects of TNFR1 and/or acts as an oncogene. In view of the wide range of cancer-associated TNFR2 activities, it is not surprising that both antagonists and agonists of TNFR2 are considered for tumor therapy and have indeed shown overwhelming anti-tumor activity in preclinical studies. Based on a brief summary of TNFR2 signaling and the immunoregulatory functions of TNFR2, we discuss here the main preclinical findings and insights gained with TNFR2 agonists and antagonists. In particular, we address the question of which TNFR2-associated molecular and cellular mechanisms underlie the observed anti-tumoral activities of TNFR2 agonists and antagonists.
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7
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El-Howati A, Thornhill MH, Colley HE, Murdoch C. Immune mechanisms in oral lichen planus. Oral Dis 2022; 29:1400-1415. [PMID: 35092132 DOI: 10.1111/odi.14142] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 01/12/2022] [Accepted: 01/17/2022] [Indexed: 11/28/2022]
Abstract
Oral lichen planus (OLP) is a T-cell-mediated inflammatory disease of the oral mucosa that has been extensively researched over many years but as yet the mechanisms of pathogenesis are still not fully understood. Whilst the specific etiologic factors driving OLP remain ambiguous, evidence points to the development of a chronic, dysregulated immune response to OLP-mediating antigens presented by innate immune cells and oral keratinocytes leading to increased cytokine, chemokine and adhesion molecule expression. These molecules recruit T-cells and mast cells to the diseased site and orchestrate a complex interplay between cells that culminates in keratinocyte cell death, mucosal basement membrane destruction and long-term chronicity of the disease. The main lymphocytes involved are thought to be CD8+ cytotoxic and CD4+ Th1 polarised T-cells although recent evidence indicates the involvement of other Th subsets such as Th9, Th17 and Tregs, suggesting that a more complex immune cell relationship exists during the disease process. This review provides an overview of the immune mechanisms at play in OLP pathogenesis with particular emphasis on the role of the different Th subsets and how these recent discoveries may guide research toward identifying potential therapeutic targets.
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Affiliation(s)
- Asma El-Howati
- School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom.,Department of Oral Medicine, Faculty of Dentistry, University of Benghazi, Benghazi, Libya
| | - Martin H Thornhill
- School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Helen E Colley
- School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Craig Murdoch
- School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
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Freeman AJ, Kearney CJ, Silke J, Oliaro J. Unleashing TNF cytotoxicity to enhance cancer immunotherapy. Trends Immunol 2021; 42:1128-1142. [PMID: 34750058 DOI: 10.1016/j.it.2021.10.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/08/2021] [Accepted: 10/10/2021] [Indexed: 01/02/2023]
Abstract
Tumor necrosis factor (TNF) is a proinflammatory cytokine that is produced and secreted by cytotoxic lymphocytes upon tumor target recognition. Depending on the context, TNF can mediate either pro-survival or pro-death signals. The potential cytotoxicity of T cell-produced TNF, particularly in the context of T cell-directed immunotherapies, has been largely overlooked. However, a spate of recent studies investigating tumor immune evasion through the application of CRISPR-based gene-editing screens have highlighted TNF-mediated killing as an important component of the mammalian T cell antitumor repertoire. In the context of the current understanding of the role of TNF in antitumor immunity, we discuss these studies and touch on their therapeutic implications. Collectively, we provide an enticing prospect to augment immunotherapy responses through TNF cytotoxicity.
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Affiliation(s)
- Andrew J Freeman
- Cancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia; Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Conor J Kearney
- Translational Haematology Program, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia; Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - John Silke
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - Jane Oliaro
- Cancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia; Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC 3010, Australia; Department of Immunology and Pathology, Monash University, Melbourne, VIC 3004, Australia.
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9
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Antileukemic Natural Product Induced Both Apoptotic and Pyroptotic Programmed Cell Death and Differentiation Effect. Int J Mol Sci 2021; 22:ijms222011239. [PMID: 34681898 PMCID: PMC8538678 DOI: 10.3390/ijms222011239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 01/07/2023] Open
Abstract
Acute myeloid leukemia (AML) is one of the most common forms of leukemia. Despite advances in the management of such malignancies and the progress of novel therapies, unmet medical needs still exist in AML because of several factors, including poor response to chemotherapy and high relapse rates. Ardisianone, a plant-derived natural component with an alkyl benzoquinone structure, induced apoptosis in leukemic HL-60 cells. The determination of dozens of apoptosis-related proteins showed that ardisianone upregulated death receptors and downregulated the inhibitor of apoptosis protein (IAPs). Western blotting showed that ardisianone induced a dramatic increase in tumor necrosis factor receptor 2 (TNFR2) protein expression. Ardisianone also induced downstream signaling by activating caspase-8 and -3 and degradation in Bid, a caspase-8 substrate. Furthermore, ardisianone induced degradation in DNA fragmentation factor 45 kDa (DFF45), a subunit of inhibitors of caspase-activated DNase (ICAD). Q-VD-OPh (a broad-spectrum caspase inhibitor) significantly diminished ardisianone-induced apoptosis, confirming the involvement of caspase-dependent apoptosis. Moreover, ardisianone induced pyroptosis. Using transmission electron microscopic examination and Western blot analysis, key markers including gasdermin D, high mobility group box1 (HMGB1), and caspase-1 and -5 were detected. Notably, ardisianone induced the differentiation of the remaining survival cells, which were characterized by an increase in the expression of CD11b and CD68, two markers of macrophages and monocytes. Wright–Giemsa staining also showed the differentiation of cells into monocyte and macrophage morphology. In conclusion, the data suggested that ardisianone induced the apoptosis and pyroptosis of leukemic cells through downregulation of IAPs and activation of caspase pathways that caused gasdermin D cleavage and DNA double-stranded breaks and ultimately led to programmed cell death. Ardisianone also induced the differentiation of leukemic cells into monocyte-like and macrophage-like cells. The data suggested the potential of ardisianone for further antileukemic development.
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Papazian I, Tsoukala E, Boutou A, Karamita M, Kambas K, Iliopoulou L, Fischer R, Kontermann RE, Denis MC, Kollias G, Lassmann H, Probert L. Fundamentally different roles of neuronal TNF receptors in CNS pathology: TNFR1 and IKKβ promote microglial responses and tissue injury in demyelination while TNFR2 protects against excitotoxicity in mice. J Neuroinflammation 2021; 18:222. [PMID: 34565380 PMCID: PMC8466720 DOI: 10.1186/s12974-021-02200-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 04/20/2021] [Indexed: 11/22/2022] Open
Abstract
Background During inflammatory demyelination, TNF receptor 1 (TNFR1) mediates detrimental proinflammatory effects of soluble TNF (solTNF), whereas TNFR2 mediates beneficial effects of transmembrane TNF (tmTNF) through oligodendroglia, microglia, and possibly other cell types. This model supports the use of selective inhibitors of solTNF/TNFR1 as anti-inflammatory drugs for central nervous system (CNS) diseases. A potential obstacle is the neuroprotective effect of solTNF pretreatment described in cultured neurons, but the relevance in vivo is unknown. Methods To address this question, we generated mice with neuron-specific depletion of TNFR1, TNFR2, or inhibitor of NF-κB kinase subunit β (IKKβ), a main downstream mediator of TNFR signaling, and applied experimental models of inflammatory demyelination and acute and preconditioning glutamate excitotoxicity. We also investigated the molecular and cellular requirements of solTNF neuroprotection by generating astrocyte-neuron co-cultures with different combinations of wild-type (WT) and TNF and TNFR knockout cells and measuring N-methyl-d-aspartate (NMDA) excitotoxicity in vitro. Results Neither neuronal TNFR1 nor TNFR2 protected mice during inflammatory demyelination. In fact, both neuronal TNFR1 and neuronal IKKβ promoted microglial responses and tissue injury, and TNFR1 was further required for oligodendrocyte loss and axonal damage in cuprizone-induced demyelination. In contrast, neuronal TNFR2 increased preconditioning protection in a kainic acid (KA) excitotoxicity model in mice and limited hippocampal neuron death. The protective effects of neuronal TNFR2 observed in vivo were further investigated in vitro. As previously described, pretreatment of astrocyte-neuron co-cultures with solTNF (and therefore TNFR1) protected them against NMDA excitotoxicity. However, protection was dependent on astrocyte, not neuronal TNFR1, on astrocyte tmTNF-neuronal TNFR2 interactions, and was reproduced by a TNFR2 agonist. Conclusions These results demonstrate that neuronal TNF receptors perform fundamentally different roles in CNS pathology in vivo, with neuronal TNFR1 and IKKβ promoting microglial inflammation and neurotoxicity in demyelination, and neuronal TNFR2 mediating neuroprotection in excitotoxicity. They also reveal that previously described neuroprotective effects of solTNF against glutamate excitotoxicity in vitro are indirect and mediated via astrocyte tmTNF-neuron TNFR2 interactions. These results consolidate the concept that selective inhibition of solTNF/TNFR1 with maintenance of TNFR2 function would have combined anti-inflammatory and neuroprotective properties required for safe treatment of CNS diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02200-4.
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Affiliation(s)
- Irini Papazian
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece
| | - Eleni Tsoukala
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece
| | - Athena Boutou
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece
| | - Maria Karamita
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece
| | - Konstantinos Kambas
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece
| | - Lida Iliopoulou
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece
| | - Roman Fischer
- Institute of Cell Biology and Immunology, University of Stuttgart, Allmandring 31, 70569, Stuttgart, Germany
| | - Roland E Kontermann
- Institute of Cell Biology and Immunology, University of Stuttgart, Allmandring 31, 70569, Stuttgart, Germany
| | - Maria C Denis
- Institute of Immunology, Biomedical Sciences Research Centre (BSRC) "Alexander Fleming", Vari, 16672, Athens, Greece
| | - George Kollias
- Institute of Immunology, Biomedical Sciences Research Centre (BSRC) "Alexander Fleming", Vari, 16672, Athens, Greece
| | - Hans Lassmann
- Department of Neuroimmunology, Center for Brain Research, Medical University of Vienna, Spitalgasse 4, A1090, Vienna, Austria
| | - Lesley Probert
- Laboratory of Molecular Genetics, Department of Immunology, Hellenic Pasteur Institute, 127 Vasilissis Sophias Ave, 11521, Athens, Greece.
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11
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Kucka K, Lang I, Zhang T, Siegmund D, Medler J, Wajant H. Membrane lymphotoxin-α 2β is a novel tumor necrosis factor (TNF) receptor 2 (TNFR2) agonist. Cell Death Dis 2021; 12:360. [PMID: 33824270 PMCID: PMC8024344 DOI: 10.1038/s41419-021-03633-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 12/26/2022]
Abstract
In the early 1990s, it has been described that LTα and LTβ form LTα2β and LTαβ2 heterotrimers, which bind to TNFR1 and LTβR, respectively. Afterwards, the LTαβ2–LTβR system has been intensively studied while the LTα2β–TNFR1 interaction has been ignored to date, presumably due to the fact that at the time of identification of the LTα2β–TNFR1 interaction one knew already two ligands for TNFR1, namely TNF and LTα. Here, we show that LTα2β interacts not only with TNFR1 but also with TNFR2. We furthermore demonstrate that membrane-bound LTα2β (memLTα2β), despite its asymmetric structure, stimulates TNFR1 and TNFR2 signaling. Not surprising in view of its ability to interact with TNFR2, LTα2β is inhibited by Etanercept, which is approved for the treatment of rheumatoid arthritis and also inhibits TNF and LTα.
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Affiliation(s)
- Kirstin Kucka
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Isabell Lang
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Tengyu Zhang
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Daniela Siegmund
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Juliane Medler
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany.
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12
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Abd Hamid M, Peng Y, Dong T. Human cancer germline antigen-specific cytotoxic T cell-what can we learn from patient. Cell Mol Immunol 2020; 17:684-692. [PMID: 32451453 PMCID: PMC7331575 DOI: 10.1038/s41423-020-0468-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/10/2020] [Accepted: 05/12/2020] [Indexed: 02/07/2023] Open
Abstract
In this review, we will highlight the importance of cancer germline antigen-specific cytotoxic CD8+ T lymphocytes (CTL) and the factors affecting antitumor CTL responses. In light of cancer immunotherapy, we will emphasis the need to further understand the features, characteristics, and actions of modulatory receptors of human cancer germline-specific CTLs, in order to determine the optimal conditions for antitumor CTL responses.
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Affiliation(s)
- Megat Abd Hamid
- Nufield Department of Medicine, Chinese Academy of Medical Science Oxford Institute (COI), University of Oxford, Oxford, UK
| | - Yanchun Peng
- Nufield Department of Medicine, Chinese Academy of Medical Science Oxford Institute (COI), University of Oxford, Oxford, UK.,MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Tao Dong
- Nufield Department of Medicine, Chinese Academy of Medical Science Oxford Institute (COI), University of Oxford, Oxford, UK. .,MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
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13
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Atretkhany KSN, Gogoleva VS, Drutskaya MS, Nedospasov SA. Distinct modes of TNF signaling through its two receptors in health and disease. J Leukoc Biol 2020; 107:893-905. [PMID: 32083339 DOI: 10.1002/jlb.2mr0120-510r] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 01/03/2020] [Accepted: 01/21/2020] [Indexed: 12/14/2022] Open
Abstract
TNF is a key proinflammatory and immunoregulatory cytokine whose deregulation is associated with the development of autoimmune diseases and other pathologies. Recent studies suggest that distinct functions of TNF may be associated with differential engagement of its two receptors: TNFR1 or TNFR2. In this review, we discuss the relative contributions of these receptors to pathogenesis of several diseases, with the focus on autoimmunity and neuroinflammation. In particular, we discuss the role of TNFRs in the development of regulatory T cells during neuroinflammation and recent findings concerning targeting TNFR2 with agonistic and antagonistic reagents in various murine models of autoimmune and neuroinflammatory disorders and cancer.
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Affiliation(s)
- Kamar-Sulu N Atretkhany
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Lomonosov Moscow State University, Moscow, Russia
| | - Violetta S Gogoleva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Marina S Drutskaya
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Sergei A Nedospasov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Lomonosov Moscow State University, Moscow, Russia.,Sirius University of Science and Technology, Sochi, Russia
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14
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Knop J, Spilgies LM, Rufli S, Reinhart R, Vasilikos L, Yabal M, Owsley E, Jost PJ, Marsh RA, Wajant H, Robinson MD, Kaufmann T, Wong WWL. TNFR2 induced priming of the inflammasome leads to a RIPK1-dependent cell death in the absence of XIAP. Cell Death Dis 2019; 10:700. [PMID: 31541082 PMCID: PMC6754467 DOI: 10.1038/s41419-019-1938-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 01/23/2023]
Abstract
The pediatric immune deficiency X-linked proliferative disease-2 (XLP-2) is a unique disease, with patients presenting with either hemophagocytic lymphohistiocytosis (HLH) or intestinal bowel disease (IBD). Interestingly, XLP-2 patients display high levels of IL-18 in the serum even while in stable condition, presumably through spontaneous inflammasome activation. Recent data suggests that LPS stimulation can trigger inflammasome activation through a TNFR2/TNF/TNFR1 mediated loop in xiap−/− macrophages. Yet, the direct role TNFR2-specific activation plays in the absence of XIAP is unknown. We found TNFR2-specific activation leads to cell death in xiap−/− myeloid cells, particularly in the absence of the RING domain. RIPK1 kinase activity downstream of TNFR2 resulted in a TNF/TNFR1 cell death, independent of necroptosis. TNFR2-specific activation leads to a similar inflammatory NF-kB driven transcriptional profile as TNFR1 activation with the exception of upregulation of NLRP3 and caspase-11. Activation and upregulation of the canonical inflammasome upon loss of XIAP was mediated by RIPK1 kinase activity and ROS production. While both the inhibition of RIPK1 kinase activity and ROS production reduced cell death, as well as release of IL-1β, the release of IL-18 was not reduced to basal levels. This study supports targeting TNFR2 specifically to reduce IL-18 release in XLP-2 patients and to reduce priming of the inflammasome components.
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Affiliation(s)
- Janin Knop
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Lisanne M Spilgies
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Stefanie Rufli
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Ramona Reinhart
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Lazaros Vasilikos
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Monica Yabal
- III. Medizinische Klink, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Erika Owsley
- UC Department of Pediatrics, Cincinnati Children's Hospital, Cincinnati, USA
| | - Philipp J Jost
- III. Medizinische Klink, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Rebecca A Marsh
- UC Department of Pediatrics, Cincinnati Children's Hospital, Cincinnati, USA
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Mark D Robinson
- Institute of Molecular Life Sciences and SIB Swiss Institute of Bioinformatics, University of Zürich, Zürich, Switzerland
| | - Thomas Kaufmann
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - W Wei-Lynn Wong
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland.
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15
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Sasaki K, Himeno A, Nakagawa T, Sasaki Y, Kiyonari H, Iwai K. Modulation of autoimmune pathogenesis by T cell-triggered inflammatory cell death. Nat Commun 2019; 10:3878. [PMID: 31462647 PMCID: PMC6713751 DOI: 10.1038/s41467-019-11858-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 08/08/2019] [Indexed: 12/20/2022] Open
Abstract
T cell-mediated autoimmunity encompasses diverse immunopathological outcomes; however, the mechanisms underlying this diversity are largely unknown. Dysfunction of the tripartite linear ubiquitin chain assembly complex (LUBAC) is associated with distinct autonomous immune-related diseases. Cpdm mice lacking Sharpin, an accessory subunit of LUBAC, have innate immune cell-predominant dermatitis triggered by death of LUBAC-compromised keratinocytes. Here we show that specific gene ablation of Sharpin in mouse Treg causes phenotypes mimicking cpdm-like inflammation. Mechanistic analyses find that multiple types of programmed cell death triggered by TNF from tissue-oriented T cells initiate proinflammatory responses to implicate innate immune-mediated pathogenesis in this T cell-mediated inflammation. Moreover, additional disruption of the Hoip locus encoding the catalytic subunit of LUBAC converts cpdm-like dermatitis to T cell-predominant autoimmune lesions; however, innate immune-mediated pathogenesis still remains. These findings show that T cell-mediated killing and sequential autoinflammation are common and crucial for pathogenic diversity during T cell-mediated autoimmune responses. Many forms of autoimmune disorder involve abnormal T cell functions, but how this versatility is achieved is not fully clear. Here the authors show that Sharpin-deficient Treg cells induce the death of local keratinocytes via multiple programmed cell death and innate inflammation to cause skin inflammation similar to cpdm mice with genetic deletion of Sharpin.
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Affiliation(s)
- Katsuhiro Sasaki
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan
| | - Ai Himeno
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan
| | - Tomoko Nakagawa
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan
| | - Yoshiteru Sasaki
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan
| | - Hiroshi Kiyonari
- Animal Resource Development Unit and Genetic Engineering Team, RIKEN Center for Life Science Technologies, 2-2-3 Minatojima Minami-machi, Chuou-ku, Kobe, 650-0047, Japan
| | - Kazuhiro Iwai
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan.
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16
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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: 25] [Impact Index Per Article: 5.0] [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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17
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Sharma D, Malik A, Guy C, Vogel P, Kanneganti TD. TNF/TNFR axis promotes pyrin inflammasome activation and distinctly modulates pyrin inflammasomopathy. J Clin Invest 2018; 129:150-162. [PMID: 30457980 DOI: 10.1172/jci121372] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 10/09/2018] [Indexed: 12/22/2022] Open
Abstract
Pyrin is an inflammasome sensor that promotes caspase-1-mediated pyroptotic cell death and maturation of proinflammatory cytokines IL-1β and IL-18. Familial Mediterranean fever (FMF), an autoinflammatory disorder, is associated with mutations in the gene encoding pyrin (MEFV). FMF-knockin (FMF-KI) mice that express chimeric pyrin protein with FMF mutation (MefvV726A/V726A) exhibit an autoinflammatory disorder mediated by autoactivation of the pyrin inflammasome. Increase in the levels of TNF are observed in FMF-KI mice, and many features of FMF overlap with the autoinflammatory disorder associated with TNF receptor signaling. In this study, we assessed the contribution of TNF signaling to pyrin inflammasome activation and its consequent role in distinct FMF pathologies. TNF signaling promoted the expression of pyrin in response to multiple stimuli and was required for inflammasome activation in response to canonical pyrin stimuli and in myeloid cells from FMF-KI mice. TNF signaling promoted systemic wasting, anemia, and neutrophilia in the FMF-KI mice. Further, TNF-induced pathology was induced specifically through the TNFR1 receptor, while TNFR2-mediated signaling was distinctly protective in colitis and ankle joint inflammation. Overall, our data show that TNF is a critical modulator of pyrin expression, inflammasome activation, and pyrin-inflammasomopathy. Further, specific blockade of TNFR1 or activation of TNFR2 could provide substantial protection against FMF pathologies.
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Affiliation(s)
| | | | | | - Peter Vogel
- Animal Resources Center and the Veterinary Pathology Core, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
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18
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Wallach D. The Tumor Necrosis Factor Family: Family Conventions and Private Idiosyncrasies. Cold Spring Harb Perspect Biol 2018; 10:cshperspect.a028431. [PMID: 28847899 DOI: 10.1101/cshperspect.a028431] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The tumor necrosis factor (TNF) cytokine family and the TNF/nerve growth factor (NGF) family of their cognate receptors together control numerous immune functions, as well as tissue-homeostatic and embryonic-development processes. These diverse functions are dictated by both shared and distinct features of family members, and by interactions of some members with nonfamily ligands and coreceptors. The spectra of their activities are further expanded by the occurrence of the ligands and receptors in both membrane-anchored and soluble forms, by "re-anchoring" of soluble forms to extracellular matrix components, and by signaling initiation via intracellular domains (IDs) of both receptors and ligands. Much has been learned about shared features of the receptors as well as of the ligands; however, we still have only limited knowledge of the mechanistic basis for their functional heterogeneity and for the differences between their functions and those of similarly acting cytokines of other families.
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Affiliation(s)
- David Wallach
- Department of Biomolecular Sciences, The Weizmann Institute of Science, 76100 Rehovot, Israel
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19
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Abstract
CD30 and CD40 are members of the tumor necrosis factor (TNF) receptor family. These two receptors have pleiotropic biologic functions including induction of apoptosis and enhancing cell survival. This review will discuss the pattern of expression of these receptors in malignant lymphoid disorders and their prospective ligands. Understanding issues related to these two ligands and their receptors in lymphoid malignancies may help to improve the classification of these diseases and could open the doors for new treatment strategies.
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Affiliation(s)
- A Younes
- Department of Lymphoma, U.T.M.D. Anderson Cancer Center, Houston, USA
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20
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Sultana S, Bishayi B. Neutralization of TNFR-1 and TNFR-2 modulates S. aureus induced septic arthritis by regulating the levels of pro inflammatory and anti inflammatory cytokines during the progression of the disease. Immunol Lett 2018; 196:33-51. [PMID: 29339199 DOI: 10.1016/j.imlet.2018.01.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 12/08/2017] [Accepted: 01/11/2018] [Indexed: 12/22/2022]
Abstract
Staphylococcal septic arthritis remains a serious medical concern due to rapid and sustained production of inflammatory cytokines that leads to progressive and irreversible joint destruction with high mortality rate in patients despite adequate antibiotics treatment. TNF-α signalling via TNFR-1 contributes to arthritic destruction by aggravating inflammation. Impact of TNFR-2 signalling is not well established in this aspect. Hence the objective of our study was to evaluate the role of dual neutralization TNFR-1 and TNFR-2 in the pathogenesis of S. aureus infection induced septic arthritis. Mice were infected with live S. aureus (5 × 106 cells/ml) followed by administration of TNFR-1and TNFR-2 neutralizing antibody. To measure arthritis index and osteoclastogenesis, histology result in joint tissue and TRAP staining images of arthritis joints have been performed respectively. Maximum reduction in the joint and paw swelling was observed in infected mice treated with both TNFR-1 and TNFR-2 antibody. NF-κB signalling was found to be mainly regulated by TNFR-1 whereas TNFR-2 significantly modulated JNK pathway. Lowest levels of inflammatory cytokines like TNF-α, IL-1β, IL-6, and IFN-γ were observed in both serum and synovial tissues signifying maximum protection in S. aureus arthritis during combination treatment. However IFN-γ and IL-10 levels were significantly altered by TNFR-2 neutralization that indicates both pro and anti inflammatory role of TNFR-2 respectively. Highest decrement in ROS concentration, iNOS expression with least MPO and lysozyme activity was detected in case of combined neutralization. During the early phase of infection all the aforesaid inflammatory parameters remained elevated due to lack of IL-10 as a result of TNFR-2 neutralization as IL-10 negatively modulates pro inflammatory cytokines. Increase in inflammatory cytokines during early phase might also be responsible for decreased bacterial count in TNFR-2 neutralized groups. Thus it can be suggested that combined administration of TNFR-1 and TNFR-2 antibody has a beneficial effect against the severity of S. aureus induced arthritis.
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Affiliation(s)
- Sahin Sultana
- Department of Physiology, Immunology and Microbiology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta 700 009, West Bengal, India
| | - Biswadev Bishayi
- Department of Physiology, Immunology and Microbiology Laboratory, University of Calcutta, University Colleges of Science and Technology, 92 APC Road, Calcutta 700 009, West Bengal, India.
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21
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Fritsch J, Zingler P, Särchen V, Heck AL, Schütze S. Role of ubiquitination and proteolysis in the regulation of pro- and anti-apoptotic TNF-R1 signaling. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017; 1864:2138-2146. [PMID: 28765050 DOI: 10.1016/j.bbamcr.2017.07.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/25/2017] [Accepted: 07/27/2017] [Indexed: 02/07/2023]
Abstract
Tumor Necrosis Factor Receptor 1 (TNF-R1) transmits various intracellular signaling cascades leading to diverse biological outcomes, ranging from proliferation, differentiation, survival to the induction of various forms of cell death (i.e. apoptosis, necrosis, necroptosis). These signaling pathways have to be tightly regulated. Proteolysis is an important regulatory mechanism in TNF-R1 pro-apoptotic as well as anti-apoptotic/pro-inflammatory signaling. Some key players in these signaling cascades are known (mainly the caspase-family of proteases and a previously unrecognized "lysosomal death pathway" involving cathepsins), however the interaction of proteases in the regulation of TNF signaling is still enigmatic. Ubiquitination of proteins, both non-degradative degradative, which either results in proteolytic degradation of target substrates or regulates their biological function, represents another layer of regulation in this signaling cascade. We and others found out that the differences in signal quality depend on the localization of the receptors. Plasma membrane resident receptors activate survival signals, while endocytosed receptors can induce cell death. In this article we will review the role of ubiquitination and proteolysis in these diverse events focusing on our own contributions to the lysosomal apoptotic pathway linked to the subcellular compartmentalization of TNF-R1. This article is part of a Special Issue entitled: Proteolysis as a Regulatory Event in Pathophysiology edited by Stefan Rose-John.
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Affiliation(s)
- Jürgen Fritsch
- Institute of Immunology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Philipp Zingler
- Institute of Immunology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Vinzenz Särchen
- Institute of Immunology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Anna Laura Heck
- Institute of Immunology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Stefan Schütze
- Institute of Immunology, Christian-Albrechts-University of Kiel, Kiel, Germany.
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22
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Tanzer MC, Khan N, Rickard JA, Etemadi N, Lalaoui N, Spall SK, Hildebrand JM, Segal D, Miasari M, Chau D, Wong WL, McKinlay M, Chunduru SK, Benetatos CA, Condon SM, Vince JE, Herold MJ, Silke J. Combination of IAP antagonist and IFNγ activates novel caspase-10- and RIPK1-dependent cell death pathways. Cell Death Differ 2017; 24:481-491. [PMID: 28106882 DOI: 10.1038/cdd.2016.147] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 10/21/2016] [Accepted: 11/21/2016] [Indexed: 12/13/2022] Open
Abstract
Peptido-mimetic inhibitor of apoptosis protein (IAP) antagonists (Smac mimetics (SMs)) can kill tumour cells by depleting endogenous IAPs and thereby inducing tumour necrosis factor (TNF) production. We found that interferon-γ (IFNγ) synergises with SMs to kill cancer cells independently of TNF- and other cell death receptor signalling pathways. Surprisingly, CRISPR/Cas9 HT29 cells doubly deficient for caspase-8 and the necroptotic pathway mediators RIPK3 or MLKL were still sensitive to IFNγ/SM-induced killing. Triple CRISPR/Cas9-knockout HT29 cells lacking caspase-10 in addition to caspase-8 and RIPK3 or MLKL were resistant to IFNγ/SM killing. Caspase-8 and RIPK1 deficiency was, however, sufficient to protect cells from IFNγ/SM-induced cell death, implying a role for RIPK1 in the activation of caspase-10. These data show that RIPK1 and caspase-10 mediate cell death in HT29 cells when caspase-8-mediated apoptosis and necroptosis are blocked and help to clarify how SMs operate as chemotherapeutic agents.
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Affiliation(s)
- Maria C Tanzer
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - Nufail Khan
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - James A Rickard
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - Nima Etemadi
- Olivia Newton John Cancer Research Institute, Heidelberg, VIC 3084, Australia.,School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
| | - Najoua Lalaoui
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - Sukhdeep Kaur Spall
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - Joanne M Hildebrand
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - David Segal
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - Maria Miasari
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
| | - Diep Chau
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - WendyWei-Lynn Wong
- Institute of Experimental Immunology, University of Zurich, Zurich 8057, Switzerland
| | - Mark McKinlay
- TetraLogic Pharmaceuticals Corporation, Malvern, PA 19355, USA
| | | | | | | | - James E Vince
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - Marco J Herold
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
| | - John Silke
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC 3050, Australia
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23
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Xiang Z, Xiao S, Wang F, Qin Y, Wu J, Ma H, Li J, Yu Z. Cloning, characterization and comparative analysis of four death receptorTNFRs from the oyster Crassostrea hongkongensis. FISH & SHELLFISH IMMUNOLOGY 2016; 59:288-297. [PMID: 27666188 DOI: 10.1016/j.fsi.2016.09.041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 09/18/2016] [Accepted: 09/22/2016] [Indexed: 05/16/2023]
Abstract
Apoptosis plays an important role in homeostasis of the immune systems. The tumor necrosis factor receptors (TNFRs) play critical roles in the extrinsic apoptosis pathways and in determining cell fate. In this study, four death receptors (DR) named ChEDAR, ChTNFR27, ChTNFR5, and ChTNFR16 were identified from the oyster Crassostrea hongkongensis. These ChDRs proteins had 382, 396, 414 and 384 amino acids, respectively, with the typical domains of death receptors, such as the signal peptide (SP), transmembrane helix region (TM) and death domains. Phylogenetic analysis showed that the ChDR proteins clustered into three distinct groups, indicating that these subfamilies had common ancestors. mRNA expression of the ChDRs were detected in all 8 of the selected oyster tissues and at different stages of development. Furthermore, expression of all the genes was increased in the hemocytes of oysters challenged with pathogens or air stress. Fluorescence microscopy revealed that the full-length proteins of the ChDRs were located in the plasma membrane of HEK293T cells. Over-expression of the ChDRs activated the NF-κB-Luc reporter in HEK293T cells in a dose-dependent manner. These results indicate that the ChDRs may play important roles in the extrinsic apoptotic pathways in oysters.
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MESH Headings
- Amino Acid Sequence
- Animals
- Apoptosis/immunology
- Base Sequence
- Cloning, Molecular
- Crassostrea/classification
- Crassostrea/genetics
- Crassostrea/immunology
- Crassostrea/microbiology
- DNA, Complementary/genetics
- DNA, Complementary/metabolism
- Evolution, Molecular
- Gene Expression Regulation, Developmental
- Immunity, Innate
- Organ Specificity
- Phylogeny
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptors, Tumor Necrosis Factor/chemistry
- Receptors, Tumor Necrosis Factor/genetics
- Receptors, Tumor Necrosis Factor/immunology
- Saccharomyces cerevisiae/physiology
- Sequence Alignment
- Signal Transduction
- Staphylococcus haemolyticus/physiology
- Vibrio alginolyticus/physiology
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Affiliation(s)
- Zhiming Xiang
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China
| | - Shu Xiao
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China
| | - Fuxuan Wang
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Yanping Qin
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Jian Wu
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China
| | - Haitao Ma
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China
| | - Jun Li
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China
| | - Ziniu Yu
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China; South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510275, China.
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Activation of TNFR2 sensitizes macrophages for TNFR1-mediated necroptosis. Cell Death Dis 2016; 7:e2375. [PMID: 27899821 PMCID: PMC5059883 DOI: 10.1038/cddis.2016.285] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 08/11/2016] [Accepted: 08/12/2016] [Indexed: 01/01/2023]
Abstract
Macrophages express TNFR1 as well as TNFR2 and are also major producers of tumor necrosis factor (TNF), especially upon contact with pathogen-associated molecular patterns. Consequently, TNF not only acts as a macrophage-derived effector molecule but also regulates the activity and viability of macrophages. Here, we investigated the individual contribution of TNFR1 and TNFR2 to TNF-induced cell death in macrophages. Exclusive stimulation of TNFR1 showed no cytotoxic effect whereas selective stimulation of TNFR2 displayed mild cytotoxicity. Intriguingly, the latter was strongly enhanced by the caspase inhibitor zVAD-fmk. The strong cytotoxic activity of TNFR2 in the presence of zVAD-fmk was reversed by necrostatin-1, indicating necroptotic cell death. TNFR1- and TNF-deficient macrophages turned out to be resistant against TNFR2-induced cell death. In addition, the cIAP-depleting SMAC mimetic BV6 also enforced TNF/TNFR1-mediated necroptotic cell death in the presence of zVAD-fmk. In sum, our data suggest a model in which TNFR2 sensitizes macrophages for endogenous TNF-induced TNFR1-mediated necroptosis by the known ability of TNFR2 to interfere with the survival activity of TRAF2-cIAP1/2 complexes.
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Chen SJ, Lin PW, Lin HP, Huang SS, Lai FJ, Sheu HM, Hsu LJ, Chang NS. UV irradiation/cold shock-mediated apoptosis is switched to bubbling cell death at low temperatures. Oncotarget 2016; 6:8007-18. [PMID: 25779665 PMCID: PMC4480731 DOI: 10.18632/oncotarget.3153] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Accepted: 01/16/2015] [Indexed: 02/06/2023] Open
Abstract
When COS7 fibroblasts and other cells were exposed to UVC irradiation and cold shock at 4°C for 5 min, rapid upregulation and nuclear accumulation of NOS2, p53, WWOX, and TRAF2 occurred in 10-30 min. By time-lapse microscopy, an enlarging gas bubble containing nitric oxide (NO) was formed in the nucleus in each cell that finally popped out to cause "bubbling death". Bubbling occurred effectively at 4 and 22°C, whereas DNA fragmentation was markedly blocked at 4°C. When temperature was increased to 37°C, bubbling was retarded and DNA fragmentation occurred in 1 hr, suggesting that bubbling death is switched to apoptosis with increasing temperatures. Bubbling occurred prior to nuclear uptake of propidium iodide and DAPI stains. Arginine analog Nω-LAME inhibited NO synthase NOS2 and significantly suppressed the bubbling death. Unlike apoptosis, there were no caspase activation and flip-over of membrane phosphatidylserine (PS) during bubbling death. Bubbling death was significantly retarded in Wwox knockout MEF cells, as well as in cells overexpressing TRAF2 and dominant-negative p53. Together, UV/cold shock induces bubbling death at 4°C and the event is switched to apoptosis at 37°C. Presumably, proapoptotic WWOX and p53 block the protective TRAF2 to execute the bubbling death.
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Affiliation(s)
- Szu-Jung Chen
- Institute of Molecular Medicine, National Cheng Kung University College of Medicine, Tainan, Taiwan, ROC
| | - Pei-Wen Lin
- Institute of Molecular Medicine, National Cheng Kung University College of Medicine, Tainan, Taiwan, ROC
| | - Hsin-Ping Lin
- Institute of Molecular Medicine, National Cheng Kung University College of Medicine, Tainan, Taiwan, ROC
| | - Shenq-Shyang Huang
- Institute of Molecular Medicine, National Cheng Kung University College of Medicine, Tainan, Taiwan, ROC
| | - Feng-Jie Lai
- Department of Dermatology, Chi-Mei Medical Center, Tainan, Taiwan, ROC
| | - Hamm-Ming Sheu
- Department of Dermatology, National Cheng Kung University College of Medicine, Tainan, Taiwan, ROC
| | - Li-Jin Hsu
- Department of Medical Laboratory Science and Biotechnology, National Cheng Kung University Medical College, Tainan, Taiwan, ROC.,Center of Infectious Disease and Signaling Research, National Cheng Kung University Medical College, Tainan, Taiwan, ROC
| | - Nan-Shan Chang
- Institute of Molecular Medicine, National Cheng Kung University College of Medicine, Tainan, Taiwan, ROC.,Center of Infectious Disease and Signaling Research, National Cheng Kung University Medical College, Tainan, Taiwan, ROC.,Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, Taiwan, ROC.,Department of Neurochemistry, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, New York, NY, USA.,Department of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, NY, USA
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Affiliation(s)
- Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
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Roda G, Jharap B, Neeraj N, Colombel JF. Loss of Response to Anti-TNFs: Definition, Epidemiology, and Management. Clin Transl Gastroenterol 2016; 7:e135. [PMID: 26741065 PMCID: PMC4737871 DOI: 10.1038/ctg.2015.63] [Citation(s) in RCA: 443] [Impact Index Per Article: 55.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 11/13/2015] [Indexed: 12/23/2022] Open
Abstract
Tumor necrosis factor-α (TNFα) antagonists have advanced the management of inflammatory bowel diseases patients leading to an improvement of patient's quality of life with the reduction of number of surgeries and hospitalizations. Despite these advances, many patients do not respond to the induction therapy (primary non-response-PNR) or lose response during the treatment (secondary loss of response-LOR). In this paper we will provide an overview of the definition, epidemiology and risk factors for PNR and LOR, as well as discuss the therapeutic options for managing LOR.
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Affiliation(s)
- Giulia Roda
- The Leona M. Harry B. Helmsley Inflammatory Bowel Disease Center, The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, USA
| | | | - Narula Neeraj
- The Leona M. Harry B. Helmsley Inflammatory Bowel Disease Center, The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Jean-Frederic Colombel
- The Leona M. Harry B. Helmsley Inflammatory Bowel Disease Center, The Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, USA
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Starzl R, Wolfram D, Zamora R, Jefferson B, Barclay D, Ho C, Gorantla V, Brandacher G, Schneeberger S, Andrew Lee WP, Carbonell J, Vodovotz Y. Cardiac Arrest Disrupts Caspase-1 and Patterns of Inflammatory Mediators Differently in Skin and Muscle Following Localized Tissue Injury in Rats: Insights from Data-Driven Modeling. Front Immunol 2015; 6:587. [PMID: 26635801 PMCID: PMC4653302 DOI: 10.3389/fimmu.2015.00587] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 11/02/2015] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Trauma often cooccurs with cardiac arrest and hemorrhagic shock. Skin and muscle injuries often lead to significant inflammation in the affected tissue. The primary mechanism by which inflammation is initiated, sustained, and terminated is cytokine-mediated immune signaling, but this signaling can be altered by cardiac arrest. The complexity and context sensitivity of immune signaling in general has stymied a clear understanding of these signaling dynamics. METHODOLOGY/PRINCIPAL FINDINGS We hypothesized that advanced numerical and biological function analysis methods would help elucidate the inflammatory response to skin and muscle wounds in rats, both with and without concomitant shock. Based on the multiplexed analysis of inflammatory mediators, we discerned a differential interleukin (IL)-1α and IL-18 signature in skin vs. muscle, which was suggestive of inflammasome activation in the skin. Immunoblotting revealed caspase-1 activation in skin but not muscle. Notably, IL-1α and IL-18, along with caspase-1, were greatly elevated in the skin following cardiac arrest, consistent with differential inflammasome activation. CONCLUSION/SIGNIFICANCE Tissue-specific activation of caspase-1 and the NLRP3 inflammasome appear to be key factors in determining the type and severity of the inflammatory response to tissue injury, especially in the presence of severe shock, as suggested via data-driven modeling.
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Affiliation(s)
- Ravi Starzl
- Language Technologies Institute, Carnegie Mellon University, Pittsburgh, PA, USA
- Department of Plastic and Reconstructive Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Plastic and Reconstructive Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Dolores Wolfram
- Department of Plastic and Reconstructive Surgery, Innsbruck Medical University, Innsbruck, Austria
| | - Ruben Zamora
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Center for Inflammation and Regenerative Modeling, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Derek Barclay
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Chien Ho
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Vijay Gorantla
- Department of Plastic and Reconstructive Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Gerald Brandacher
- Department of Plastic and Reconstructive Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Stefan Schneeberger
- Department of Plastic and Reconstructive Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
| | - W. P. Andrew Lee
- Department of Plastic and Reconstructive Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
| | - Jaime Carbonell
- Language Technologies Institute, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Yoram Vodovotz
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Center for Inflammation and Regenerative Modeling, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
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Hashem RM, Mohamed RH, Abo-El-matty DM. Effect of curcumin on TNFR2 and TRAF2 in unilateral ureteral obstruction in rats. Nutrition 2015; 32:478-85. [PMID: 26732833 DOI: 10.1016/j.nut.2015.10.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 08/28/2015] [Accepted: 10/01/2015] [Indexed: 01/11/2023]
Abstract
OBJECTIVES Tumor necrosis factor α (TNF-α) is implicated in the pathophysiology of renal obstruction through its interactions with two TNF-α receptors: TNFR1 and TNFR2. Activation of TNFR1 leads to the recruitment of the adaptor TNFR-associated death domain protein (TRADD), which binds the Ser/Thr kinase receptor-interacting protein (RIP) and TNFR-associated factors 2 (TRAF2). This TRADD-RIP-TRAF complex causes activation of the antiapoptotic pathway and inhibits caspase 8 activation. Meanwhile, activation of TNFR2 leads to depletion of TRAF2 and enhancement of the apoptotic pathway. Curcumin, the major component found in turmeric spice, has been reported to possess a protective role against renal injury elicited by unilateral ureteral obstruction (UUO). The present study aimed mainly to address the cytoprotective role of curcumin-rich diet (5% w/w) on the apoptotic pathway induced by UUO in rats after 30 d of ligation. METHODS The levels of mRNA for TNFR1, TNFR2, RIP, TRAF2, and caspase 8 were measured by reverse transcription-polymerase chain reaction. The levels of TNF-α was determined by ELISA. Kidney sections were exposed to histologic and morphometric studies. RESULTS Administration of curcumin decreased TNF-α, TNFR2, and caspase 8 without affecting TNFR1 levels. The gene expression levels of the antiapoptotic molecules RIP and TRAF2 were increased. CONCLUSIONS The cytoprotective role of curcumin relies on its ability to decrease the TNFR2 mRNA and enhance the antiapoptotic molecules RIP and TRAF2 to decrease the apoptotic pathway via decreasing the caspase 8.
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Affiliation(s)
- Reem M Hashem
- Centre for Skin Science, Faculty of Life Sciences, Bradford, Yorkshire, United Kingdom; Biochemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt.
| | - Rasha H Mohamed
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Dina M Abo-El-matty
- Biochemistry Department, Faculty of Pharmacy, Suez-Canal University, Ismailia, Egypt
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Sennikov SV, Alshevskaya AA, Shkaruba NS, Chumasova OA, Sizikov AE, Lopatnikova JA. Expression of TNFα membrane-bound receptors in the peripheral blood mononuclear cells (PMBC) in rheumatoid arthritis patients. Cytokine 2015; 73:288-94. [PMID: 25828588 DOI: 10.1016/j.cyto.2015.01.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 01/18/2015] [Accepted: 01/21/2015] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To investigate the expression of TNFα membrane-bound receptors: the percentage of cells expressing these receptors and the number of molecules expressed on different immune cell subsets, and to evaluate serum concentrations of soluble TNFα and its receptors (sTNFRI and sTNFRII) in patients with rheumatoid arthritis in acute stage and after response to treatment compared to healthy donors. METHODS The objects of the study are peripheral blood mononuclear cells (PBMC) of healthy donors (n=150) and RA patients (n=40) subjected to hospital treatment with either biological agents (Rituximab) or glucocorticosteroids (methylprednisolone). To determine PBMC phenotype antibodies anti-hCD3-APC, anti-hCD19 PECy7, anti-hCD14 FITC (eBioscience), as well as anti-hTNFRI-PE and anti-hTNFRII-PE (R&D Systems) were used. To determine receptor number on the cells Quantibrite PE Beads (BD) were used. RESULTS Cells obtained from patients who responded to therapy and achieved disease remission exhibited either an increase in the percentage of TNFRI+ cells or elevated expression density of this receptor type. CONCLUSION Subsets of immunocompetent cells from RA patients show variation in the percentage of membrane-bound receptor positive cells and receptor expression density, which influences the development and progression of the pathological processes in RA. Response to therapy and achievement of disease remission are associated with an increase of TNFRI expression.
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Affiliation(s)
- Sergey V Sennikov
- Laboratory of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya Str., 14, Novosibirsk 630099, Russia.
| | - Alina A Alshevskaya
- Laboratory of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya Str., 14, Novosibirsk 630099, Russia.
| | - Nadezhda S Shkaruba
- Rheumatology Department, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya Str., 14, Novosibirsk 630099, Russia.
| | - Oksana A Chumasova
- Rheumatology Department, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya Str., 14, Novosibirsk 630099, Russia.
| | - Aleksey E Sizikov
- Rheumatology Department, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya Str., 14, Novosibirsk 630099, Russia.
| | - Julia A Lopatnikova
- Laboratory of Molecular Immunology, Federal State Budgetary Scientific Institution "Research Institute of Fundamental and Clinical Immunology", Yadrintsevskaya Str., 14, Novosibirsk 630099, Russia.
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Cabal-Hierro L, Artime N, Iglesias J, Prado MA, Ugarte-Gil L, Casado P, Fernández-García B, Darnay BG, Lazo PS. A TRAF2 binding independent region of TNFR2 is responsible for TRAF2 depletion and enhancement of cytotoxicity driven by TNFR1. Oncotarget 2014; 5:224-36. [PMID: 24318359 PMCID: PMC3960203 DOI: 10.18632/oncotarget.1492] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Tumor Necrosis Factor (TNF) interacts with two receptors known as TNFR1 and TNFR2. TNFR1 activation may result in either cell proliferation or cell death. TNFR2 activates Nuclear Factor-kappaB (NF-kB) and c-Jun N-terminal kinase (JNK) which lead to transcriptional activation of genes related to cell proliferation and survival. This depends on the binding of TNF Receptor Associated Factor 2 (TRAF2) to the receptor. TNFR2 also induces TRAF2 degradation. In this work we have investigated the structural features of TNFR2 responsible for inducing TRAF2 degradation and have studied the biological consequences of this activity. We show that when TNFR1 and TNFR2 are co-expressed, TRAF2 depletion leads to an enhanced TNFR1 cytotoxicity which correlates with the inhibition of NF-kB. NF-kB activation and TRAF2 degradation depend of different regions of the receptor since TNFR2 mutants at amino acids 343-349 fail to induce TRAF2 degradation and have lost their ability to enhance TNFR1-mediated cell death but are still able to activate NF-kB. Moreover, whereas NF-kB activation requires TRAF2 binding to the receptor, TRAF2 degradation appears independent of TRAF2 binding. Thus, TNFR2 mutants unable to bind TRAF2 are still able to induce its degradation and to enhance TNFR1-mediated cytotoxicity. To test further this receptor crosstalk we have developed a system stably expressing in cells carrying only endogenous TNFR1 the chimeric receptor RANK-TNFR2, formed by the extracellular region of RANK (Receptor activator of NF-kB) and the intracellular region of TNFR2.This has made possible to study independently the signals triggered by TNFR1 and TNFR2. In these cells TNFR1 is selectively activated by soluble TNF (sTNF) while RANK-TNFR2 is selectively activated by RANKL. Treatment of these cells with sTNF and RANKL leads to an enhanced cytotoxicity.
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Affiliation(s)
- Lucía Cabal-Hierro
- Departamento de Bioquímica y Biología Molecular and Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Universidad de Oviedo, Oviedo, Spain
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TRAF2 inhibits TRAIL- and CD95L-induced apoptosis and necroptosis. Cell Death Dis 2014; 5:e1444. [PMID: 25299769 PMCID: PMC4649511 DOI: 10.1038/cddis.2014.404] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 08/08/2014] [Accepted: 08/26/2014] [Indexed: 01/06/2023]
Abstract
The relevance of the adaptor protein TNF receptor-associated factor 2 (TRAF2) for signal transduction of the death receptor tumour necrosis factor receptor1 (TNFR1) is well-established. The role of TRAF2 for signalling by CD95 and the TNF-related apoptosis inducing ligand (TRAIL) DRs, however, is only poorly understood. Here, we observed that knockdown (KD) of TRAF2 sensitised keratinocytes for TRAIL- and CD95L-induced apoptosis. Interestingly, while cell death was fully blocked by the pan-caspase inhibitor benzyloxycarbonyl-Val-Ala-Asp(OMe)-fluoromethylketone (zVAD-fmk) in control cells, TRAF2-depleted keratinocytes were only partly rescued from TRAIL- and CD95L-induced cell death. In line with the idea the only partially protective effect of zVAD-fmk on TRAIL- and CD95L-treated TRAF2-depleted keratinocytes is due to the induction of necroptosis, combined treatment with zVAD-fmk and the receptor interacting protein 1 (RIP1) inhibitor necrostatin-1 [corrected] fully rescued these cells. To better understand the impact of TRAF2 levels on RIP1- and RIP3-dependent necroptosis and RIP3-independent apoptosis, we performed experiments in HeLa cells that lack endogenous RIP3 and HeLa cells stably transfected with RIP3. HeLa cells, in which necroptosis has no role, were markedly sensitised to TRAIL-induced caspase-dependent apoptosis by TRAF2 KD. In RIP3-expressing HeLa transfectants, however, KD of TRAF2 also strongly sensitised for TRAIL-induced necroptosis. Noteworthy, priming of keratinocytes with soluble TWEAK, which depletes the cytosolic pool of TRAF2-containing protein complexes, resulted in strong sensitisation for TRAIL-induced necroptosis but had only a very limited effect on TRAIL-induced apoptosis. The necroptotic TRAIL response was not dependent on endogenously produced TNF and TNFR signalling, since blocking TNF by TNFR2-Fc or anti-TNFα had no effect on necroptosis induction. Taken together, we identified TRAF2 not only as a negative regulator of DR-induced apoptosis but in particular also as an antagonist of TRAIL- and CD95L-induced necroptosis.
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Wajant H. The TWEAK-Fn14 system as a potential drug target. Br J Pharmacol 2014; 170:748-64. [PMID: 23957828 DOI: 10.1111/bph.12337] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 07/29/2013] [Accepted: 08/12/2013] [Indexed: 12/27/2022] Open
Abstract
Fibroblast growth factor-inducible 14 (Fn14) is a member of the tumour necrosis factor (TNF) receptor family that is induced in a variety of cell types in situations of tissue injury. Fn14 becomes activated by TNF-like weak inducer of apoptosis (TWEAK), a typical member of the TNF ligand family. TWEAK is constitutively expressed by monocytes and some tumour cell lines and also shows cytokine inducible expression in various other cell types. Fn14 activation results in stimulation of signalling pathways culminating in the activation of NFκB transcription factors and various MAPKs but might also trigger the PI3K/Akt pathway and GTPases of the Rho family. In accordance with its tissue damage-associated expression pattern and its pleiotropic proinflammatory signalling capabilities, the TWEAK-Fn14 system has been implicated in a huge number of pathologies. The use of TWEAK- and Fn14-knockout mice identified the TWEAK-Fn14 system as a crucial player in muscle atrophy, cerebral ischaemia, kidney injury, atherosclerosis and infarction as well as in various autoimmune scenarios including experimental autoimmune encephalitis, rheumatoid arthritis and inflammatory bowel disease. Moreover, there is increasing preclinical evidence that Fn14 targeting is a useful option in tumour therapy. Based on a discussion of the signalling capabilities of TWEAK and Fn14, this review is focused on two major issues. On the one hand, on the molecular and cellular basis of the TWEAK/Fn14-related pathological outcomes in the aforementioned diseases and on the other hand, on the preclinical experience that have been made so far with TWEAK and Fn14 targeting drugs.
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Affiliation(s)
- Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
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Abstract
The FDA recently approved an agonistic anti-CD30 drug conjugate, Brentuximab vedotin, for the treatment for CD30-positive lymphomas. The potent clinical activity of Brentuximab vedotin in Hodgkin's lymphoma and anaplastic large-cell lymphoma was greeted with great enthusiasm by oncologists as it provided a new treatment modality for these diseases. In this review, we will describe how we obtained the hybridoma by pursuing a basic research experiment unrelated to CD30. I will also review what we know about the normal biological functions of CD30 that were studied primarily in murine models of disease but also in patients. The picture emerging is that one of the primary functions of CD30 is the control of memory cells providing costimulation and trafficking information or inducing apoptosis in a microenvironment and cytokine milieu-dependent manner.
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Association of TNF-α, TNFRSF1A and TNFRSF1B gene polymorphisms with the risk of sporadic breast cancer in northeast Chinese Han women. PLoS One 2014; 9:e101138. [PMID: 25010932 PMCID: PMC4091942 DOI: 10.1371/journal.pone.0101138] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Accepted: 06/03/2014] [Indexed: 11/19/2022] Open
Abstract
Background The interaction of tumor necrosis factor-α (TNF-α) with its receptors: TNFRSF1A and TNFRSF1B is critical for the promotion of tumor growth, invasion and metastasis. To better understand the roles of single nucleotide polymorphisms (SNPs) in the TNF-α, TNFRSF1A and TNFRSF1B genes in the development of breast cancer, we explored the associations between SNPs in these three genes and breast cancer susceptibility in northeast Chinese Han women. Methodology/Principal Findings This case-control study was conducted among 1016 breast cancer patients and 806 age-matched healthy controls. Seven SNPs in the TNF-α (rs1800629, rs361525), TNFRSF1A (rs767455, rs4149577 and rs1800693) and TNFRSF1B (rs1061622 and rs1061624) genes were genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. In TNFRSF1B, the rs1061622 GT genotype and the G allele conferred a reduced susceptibility to breast cancer (P = 0.000662, OR = 0.706, 95% CI: 0.578–0.863; P = 0.002, OR = 0.769, 95% CI; 0.654–0.905, respectively). Moreover, the AG genotype, the AA genotype and the A allele in rs1061624 conferred an increased risk of breast cancer (P = 0.007, OR = 1.470, 95% CI:1.112–1.943; P = 0.00109, OR = 1.405 95% CI:1.145–1.724; P = 0.001, OR = 1.248 95% CI:1.092–1.426, respectively). These two SNPs also had associations with breast cancer risk under the dominant model. In haplotype analysis, the CTA (rs767455 C-rs4149577 T-rs1800693 A) haplotype in TNFRSF1A and the TA (rs1061622 T-rs1061624 A) haplotype in TNFRSF1B had higher frequencies in breast cancer patients (P = 0.00324; P = 0.000370, respectively), but the frequency of GG (rs1061622 G-rs1061624 G) haplotype in TNFRSF1B was lower in breast cancer patients (P = 0.000251). The associations of the three haplotypes remained significant after correcting for multiple testing. In addition, significant associations were also observed between TNFRSF1A polymorphisms and lymph node metastasis, P53, estrogen receptor (ER) and progesterone receptor (PR) statuses. Conclusions Our results suggest that rs1061622 and rs1061624 in TNFRSF1B may affect breast cancer risk, and SNPs in TNFRSF1A are associated with the clinical features of breast cancer.
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Torrentes-Carvalho A, Marinho CF, de Oliveira-Pinto LM, de Oliveira DB, Damasco PV, Cunha RV, de Souza LJ, de Azeredo EL, Kubelka CF. Regulation of T lymphocyte apoptotic markers is associated to cell activation during the acute phase of dengue. Immunobiology 2014; 219:329-40. [DOI: 10.1016/j.imbio.2013.11.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Accepted: 11/14/2013] [Indexed: 12/29/2022]
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Ishak DHA, Ooi KK, Ang KP, Akim AM, Cheah YK, Nordin N, Halim SNBA, Seng HL, Tiekink ER. A bismuth diethyldithiocarbamate compound promotes apoptosis in HepG2 carcinoma, cell cycle arrest and inhibits cell invasion through modulation of the NF-κB activation pathway. J Inorg Biochem 2014; 130:38-51. [DOI: 10.1016/j.jinorgbio.2013.09.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 09/26/2013] [Accepted: 09/30/2013] [Indexed: 02/08/2023]
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Role of WWOX and NF-κB in lung cancer progression. TRANSLATIONAL RESPIRATORY MEDICINE 2013; 1:15. [PMID: 27234396 PMCID: PMC4715152 DOI: 10.1186/2213-0802-1-15] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Accepted: 11/04/2013] [Indexed: 01/28/2023]
Abstract
It is generally agreed that the pro-inflammatory, pro-survival transcription factor NF-κB is a tumor promoter. Tumor necrosis factor alpha (TNF-α or TNF) mediates NF-κB activation. Tumor suppressor WWOX (FOR or WOX1) is a downstream effector of the TNF signaling. Thus, activation of both WWOX (FOR or WOX1) and NF-κB may occur during TNF signaling and/or under stress conditions. Indeed, the first WW domain of WWOX induces the activation of NF-κB-responsive promoter without TNF participation. It appears that WWOX counteracts with NF-κB in regulating cell survival and death. For example, WWOX becomes activated with Tyr33 phosphorylation and relocates together with NF-κB and many transcription factors to the nucleus to cause neuronal death in sciatic nerve-transected rats. While WWOX is frequently lost in lung cancer and many other cancers, NF-κB activation-induced cancer promotion probably requires WWOX-independent signaling networks to induce expression of pro-survival factors. The antagonistic role of WWOX and NF-κB in the regulation of lung cancer progression is discussed.
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Aronin A, Amsili S, Prigozhina TB, Tzdaka K, Rachmilewitz J, Shani N, Tykocinski ML, Dranitzki Elhalel M. Fn14•TRAIL effectively inhibits hepatocellular carcinoma growth. PLoS One 2013; 8:e77050. [PMID: 24130833 PMCID: PMC3794952 DOI: 10.1371/journal.pone.0077050] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 08/30/2013] [Indexed: 12/31/2022] Open
Abstract
Background New strategies for the treatment of hepatocellular carcinoma (HCC) are needed, given that currently available chemotherapeutics are inefficient. Since tumor growth reflects the net balance between pro-proliferative and death signaling, agents shifting the equilibrium toward the latter are of considerable interest. The TWEAK:Fn14 signaling axis promotes tumor cell proliferation and tumor angiogenesis, while TRAIL:TRAIL-receptor (TRAIL-R) interactions selectively induce apoptosis in malignant cells. Fn14•TRAIL, a fusion protein bridging these two pathways, has the potential to inhibit tumor growth, by interfering with TWEAK:Fn14 signaling, while at the same time enforcing TRAIL:TRAIL-R-mediated apoptosis. Consequently, Fn14•TRAIL's capacity to inhibit HCC growth was tested. Results Fn14•TRAIL induced robust apoptosis of multiple HCC cell lines, while sparing non-malignant hepatocyte cell lines. Differential susceptibility to this agent did not correlate with expression levels of TRAIL, TRAIL-R, TWEAK and Fn14 by these lines. Fn14•TRAIL was more potent than soluble TRAIL, soluble Fn14, or a combination of the two. The requirement of both of Fn14•TRAIL's molecular domains for function was established using blocking antibodies directed against each of them. Subcutaneous injection of Fn14•TRAIL abrogated HCC growth in a xenograft model, and was well tolerated by the mice. Conclusions In this study, Fn14•TRAIL, a multifunctional fusion protein originally designed to treat autoimmunity, was shown to inhibit the growth of HCC, both invitro and invivo. The demonstration of this fusion protein’s potent anti-tumor activity suggests that simultaneous targeting of two signaling axes by a single fusion can serve as a basis for highly effective anti-cancer therapies.
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Affiliation(s)
- Alexandra Aronin
- Nephrology and Hypertension Services, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | | | - Tatyana B. Prigozhina
- Nephrology and Hypertension Services, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Kobi Tzdaka
- Nephrology and Hypertension Services, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Jacob Rachmilewitz
- Goldyne Savad Institute of Gene Therapy, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | | | - Mark L. Tykocinski
- Office of the Dean, Jefferson Medical College, Philadelphia, Pennsylvania, United States of America
| | - Michal Dranitzki Elhalel
- Nephrology and Hypertension Services, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
- * E-mail:
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Rodrigues MF, Alves CCS, Figueiredo BBM, Rezende AB, Wohlres-Viana S, Silva VLD, Machado MA, Teixeira HC. Tumour necrosis factor receptors and apoptosis of alveolar macrophages during early infection with attenuated and virulent Mycobacterium bovis. Immunology 2013; 139:503-12. [PMID: 23489296 DOI: 10.1111/imm.12097] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 02/14/2013] [Accepted: 03/06/2013] [Indexed: 01/11/2023] Open
Abstract
Apoptosis of macrophages has been reported as an effective host strategy to control the growth of intracellular pathogens, including pathogenic mycobacteria. Tumour necrosis factor-α (TNF-α) plays an important role in the modulation of apoptosis of infected macrophages. It exerts its biological activities via two distinct cell surface receptors, TNFR1 and TNFR2, whose extracellular domain can be released by proteolysis forming soluble TNF receptors (sTNFR1 and sTNFR2). The signalling through TNFR1 initiates the majority of the biological functions of TNF-α, leading to either cell death or survival whereas TNFR2 mediates primarily survival signals. Here, the expression of TNF-α receptors and the apoptosis of alveolar macrophages were investigated during the early phase of infection with attenuated and virulent mycobacteria in mice. A significant increase of apoptosis and high expression of TNFR1 were observed in alveolar macrophages at 3 and 7 days after infection with attenuated Mycobacterium bovis but only on day 7 in infection with the virulent M. bovis. Low surface expression of TNFR1 and increased levels of sTNFR1 on day 3 after infection by the virulent strain were associated with reduced rates of apoptotic macrophages. In addition, a significant reduction in apoptosis of alveolar macrophages was observed in TNFR1(-/-) mice at day 3 after bacillus Calmette-Guérin infection. These results suggest a potential role for TNFR1 in mycobacteria-induced alveolar macrophage apoptosis in vivo. In this scenario, shedding of TNFR1 seems to contribute to the modulation of macrophage apoptosis in a strain-dependent manner.
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Affiliation(s)
- Michele F Rodrigues
- Department of Parasitology, Microbiology and Immunology, Biological Sciences Institute, Federal University of Juiz de Fora, Juiz de Fora, MG, Brazil
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Maas C, Tromp JM, van Laar J, Thijssen R, Elias JA, Malara A, Krippner-Heidenreich A, Silke J, van Oers MH, Eldering E. CLL cells are resistant to smac mimetics because of an inability to form a ripoptosome complex. Cell Death Dis 2013; 4:e782. [PMID: 23990022 PMCID: PMC3763465 DOI: 10.1038/cddis.2013.305] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2013] [Revised: 07/16/2013] [Accepted: 07/17/2013] [Indexed: 11/16/2022]
Abstract
In the lymph node (LN) environment, chronic lymphocytic leukemia (CLL) cells display increased NF-κB activity compared with peripheral blood CLL cells, which contributes to chemoresistance. Antagonists of cellular inhibitor of apoptosis proteins (cIAPs) can induce apoptosis in various cancer cells in a tumor necrosis factor-α (TNFα)-dependent manner and are in preclinical development. Smac-mimetics promote degradation of cIAP1 and cIAP2, which results in TNFR-mediated apoptosis via formation of a ripoptosome complex, comprising RIPK1, Fas-associated protein with death domain, FLICE-like inhibitory protein and caspase-8. CD40 stimulation of CLL cells in vitro is used as a model to mimic the LN microenvironment and results in NF-κB activation and TNFα production. In this study, we investigated the response of CLL cells to smac-mimetics in the context of CD40 stimulation. We found that treatment with smac-mimetics results in cIAP1 and cIAP2 degradation, yet although TNFα is produced, this did not induce apoptosis. Despite the presence of all components, the ripoptosome complex did not form upon smac-mimetic treatment in CLL cells. Thus, CLL cells seem to possess aberrant upstream NF-κB regulation that prevents ripoptosome formation upon IAP degradation. Unraveling the exact molecular mechanisms of disturbed ripoptosome formation may offer novel targets for treatment in CLL.
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Affiliation(s)
- C Maas
- Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
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42
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Pozharskaya T, Liang J, Lane AP. Regulation of inflammation-associated olfactory neuronal death and regeneration by the type II tumor necrosis factor receptor. Int Forum Allergy Rhinol 2013; 3:740-7. [PMID: 23733314 DOI: 10.1002/alr.21187] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 04/08/2013] [Accepted: 04/30/2013] [Indexed: 11/09/2022]
Abstract
BACKGROUND Olfactory loss is a debilitating symptom of chronic rhinosinusitis. To study the impact of inflammation on the olfactory system, the inducible olfactory inflammation (IOI) transgenic mouse was created in which inflammation can be turned on and off within the olfactory epithelium. In this study, the type II tumor necrosis factor (TNF) receptor (TNFR2) was knocked out, and the effect on the olfactory loss phenotype was assessed. METHODS IOI mice were bred to TNFR2 knockout mice to yield progeny IOI mice lacking the TNFR2 receptor (TNFR2(-/-) ). TNF-α expression was induced within the olfactory epithelium for 6 weeks to generate chronic inflammation. Olfactory function was assayed by electro-olfactogram (EOG), and olfactory tissue was processed for histology and immunohistochemical staining. RESULTS Compared to IOI mice with wild-type TNFR2, IOI mice lacking the TNFR2 demonstrated similar levels of inflammatory infiltration and enlargement of the subepithelial layer. However, IOI-TNFR2(-/-) mice differed markedly in that the neuronal layer was largely preserved and active progenitor cell proliferation was present. Odorant responses were maintained in the IOI-TNFR2(-/-) mice, in contrast to IOI mice. CONCLUSION TNFR2 is the minor receptor for TNF-α, but appears to play an important role in mediating TNF-induced disruption of the olfactory system. This finding suggests that neuronal death and inhibition of proliferation in CRS may be mediated by TNFR2 on olfactory neurons and progenitor cells. Further studies are needed to elucidate the subcellular pathways involved and develop novel therapies for treating olfactory loss in the setting of CRS.
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Affiliation(s)
- Tatyana Pozharskaya
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD
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Hirsch B, von der Wall E, Hummel M, Dürkop H. RIP1 expression is necessary for CD30-mediated cell death induction in anaplastic large-cell lymphoma cells. J Transl Med 2013; 93:677-89. [PMID: 23545938 DOI: 10.1038/labinvest.2013.50] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
CD30, a member of the tumor necrosis factor receptor (TNFR) superfamily, is consistently expressed by tumor cells of anaplastic large-cell lymphoma (ALCL). CD30 stimulation induces massive caspase-dependent cell death of ALCL cells in case of canonical NFκB inhibition or proteasome inhibition. However, CD30, a TNFR lacking a death domain (DD), is unable to recruit a death inducing complex containing TRADD (TNFR1-associated DD-protein) or FADD (FAS-associated DD-domain protein) together with the receptor-interacting protein 1 (RIP1) and caspase-8. Thus, the mechanism explaining CD30-induced cell death of lymphocytes remains obscure. Here, we demonstrate that blockage of RIP1 by siRNA or pharmacological inhibition of RIP1 by Necrostatin-1 almost completely prevented CD30-induced cell death. In addition, we revealed CD30-induced accumulation of RIP1 at the cytoplasma membrane of NFκB-inhibited ALCL cells by confocal laser scanning microscopy. Finally, primary ALCL cases can be subdivided into two groups based on the presence or absence of RIP1 as revealed by immunohistology. Taken together, our study identified RIP1 as a crucial mediator of CD30-induced cell death that bears features of apoptosis as well as necroptosis. RIP1 expression in ALCL tumor cells might eligible for the therapeutic application of CD30 antibodies in combination with NFκB/proteasome inhibitors that should result in CD30-induced cell death.
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Affiliation(s)
- Burkhard Hirsch
- Department of Experimental Haematology, Institute of Pathology, Charité-University Medicine Berlin, Campus Benjamin Franklin, D-12200 Berlin, Germany.
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Daniluk U, Kerros C, Tao RH, Wise JF, Ao X, Berkova Z, Samaniego F. The peptide derived from the Ig-like domain of human herpesvirus 8 K1 protein induces death in hematological cancer cells. J Exp Clin Cancer Res 2012; 31:69. [PMID: 22929310 PMCID: PMC3517441 DOI: 10.1186/1756-9966-31-69] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Accepted: 08/17/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Although significant progress has been made in the treatment of lymphomas, many lymphomas exhibit resistance to cell death, suggesting a defective Fas signaling, which remains poorly understood. We previously reported that cells expressing the K1 protein of human herpesvirus 8 (HHV-8) resist death through the complex formation of the Ig-like domain of K1 with Fas. Recently, we investigated whether peptides derived from the Ig-like domain of the K1 protein may affect cell death. METHODS K1 positive and negative cell lines were incubated with the K1-derived peptides, and cell death (apoptotic and necrotic) was assessed by flow cytometry and LDH assay. Activation of caspases was assessed by fluorometric assay and flow cytometry. Fas receptor-independent, peptide-mediated cell killing was tested in the Fas-resistant Daudi cell line and Jurkat cell clones deficient in caspase-8 and FADD functionality. Activation of TNF receptors I and II was blocked by pre-incubation with corresponding blocking antibodies. The effect of the K1 peptide in vivo was tested in a mouse xenograft model. RESULTS We observed that the peptide S20-3 enhanced cell death in K1-positive BJAB cells and HHV-8 positive primary effusion lymphoma (PEL) cell lines. Similar effects of this peptide were observed in B-cell lymphoma and T-lymphoblastic leukemia cells without K1 expression but not in normal human peripheral blood mononuclear cells. A single intratumoral injection of the S20-3 peptide decreased the growth of Jurkat xenografts in SCID mice. The mechanism of tumor cell death induced by the S20-3 peptide was associated with activation of caspases, but this activity was only partially inhibited by the pan-caspase inhibitor z-VAD. Furthermore, the K1 peptide also killed Fas-resistant Daudi cells, and this killing effect was inhibited by pre-incubation of cells with antibodies blocking TNFRI. CONCLUSION Taken together, these findings indicate that the S20-3 peptide can selectively induce the death of malignant hematological cell lines by Fas- and/or TNFRI-dependent mechanisms, suggesting the K1-derived peptide or peptidomimetic may have promising therapeutic potential for the treatment of hematological cancers.
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Affiliation(s)
- Urszula Daniluk
- Department of Lymphoma and Myeloma, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA
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Antoon JW, Lai R, Struckhoff AP, Nitschke AM, Elliott S, Martin EC, Rhodes LV, Yoon NS, Salvo VA, Shan B, Beckman BS, Nephew KP, Burow ME. Altered death receptor signaling promotes epithelial-to-mesenchymal transition and acquired chemoresistance. Sci Rep 2012; 2:539. [PMID: 22844580 PMCID: PMC3406343 DOI: 10.1038/srep00539] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 06/18/2012] [Indexed: 11/09/2022] Open
Abstract
Altered death receptor signaling and resistance to subsequent apoptosis is an important clinical resistance mechanism. Here, we investigated the role of death receptor resistance in breast cancer progression. Resistance of the estrogen receptor alpha (ER)-positive, chemosensitive MCF7 breast cancer cell line to tumor necrosis factor (TNF) was associated with loss of ER expression and a multi-drug resistant phenotype. Changes in three major pathways were involved in this transition to a multidrug resistance phenotype: ER, Death Receptor and epithelial to mesenchymal transition (EMT). Resistant cells exhibited altered ER signaling, resulting in decreased ER target gene expression. The death receptor pathway was significantly altered, blocking extrinsic apoptosis and increasing NF-kappaB survival signaling. TNF resistance promoted EMT changes, resulting in a more aggressive phenotype. This first report identifying specific mechanisms underlying acquired resistance to TNF could lead to a better understanding of the progression of breast cancer in response to chemotherapy treatment.
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Affiliation(s)
- James W Antoon
- Departments of Pharmacology, Tulane University School of Medicine, Tulane Avenue, New Orleans, LA, USA
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Sabour Alaoui S, Dessirier V, de Araujo E, Alexaki VI, Pelekanou V, Lkhider M, Stathopoulos EN, Castanas E, Bagot M, Bensussan A, Tsapis A. TWEAK affects keratinocyte G2/M growth arrest and induces apoptosis through the translocation of the AIF protein to the nucleus. PLoS One 2012; 7:e33609. [PMID: 22438963 PMCID: PMC3306430 DOI: 10.1371/journal.pone.0033609] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2011] [Accepted: 02/13/2012] [Indexed: 11/25/2022] Open
Abstract
The soluble TNF-like weak inducer of apoptosis (TWEAK, TNFSF12) binds to the fibroblast growth factor-inducible 14 receptor (FN14, TNFRSF12A) on the cell membrane and induces multiple biological responses, such as proliferation, migration, differentiation, angiogenesis and apoptosis. Previous reports show that TWEAK, which does not contain a death domain in its cytoplasmic tail, induces the apoptosis of tumor cell lines through the induction of TNFα secretion. TWEAK induces apoptosis in human keratinocytes. Our experiments clearly demonstrate that TWEAK does not induce the secretion of TNFα or TRAIL proteins. The use of specific inhibitors and the absence of procaspase-3 cleavage suggest that the apoptosis of keratinocytes follows a caspase- and cathepsin B-independent pathway. Further investigation showed that TWEAK induces a decrease in the mitochondrial membrane potential of keratinocytes. Confocal microscopy showed that TWEAK induces the cleavage and the translocation of apoptosis inducing factor (AIF) from the mitochondria to the nucleus, thus initiating caspase-independent apoptosis. Moreover, TWEAK induces FOXO3 and GADD45 expression, cdc2 phosphorylation and cdc2 and cyclinB1 degradation, resulting in the arrest of cell growth at the G2/M phase. Finally, we report that TWEAK and FN14 are normally expressed in the basal layer of the physiological epidermis and are greatly enhanced in benign (psoriasis) and malignant (squamous cell carcinoma) skin pathologies that are characterized by an inflammatory component. TWEAK might play an essential role in skin homeostasis and pathology.
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Affiliation(s)
- Sanaa Sabour Alaoui
- Inserm, U976, Paris, France
- Université Paris Diderot, Paris, France
- Department of Biology, University of Chouaib Doukkali, El Jadida, Morocco
| | | | | | - Vassilia-Ismini Alexaki
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklion, Greece
| | - Vassiliki Pelekanou
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklion, Greece
- Laboratory of Pathology, School of Medicine, University of Crete, Heraklion, Greece
| | - Mustapha Lkhider
- Department of Biology, University of Chouaib Doukkali, El Jadida, Morocco
| | | | - Elias Castanas
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklion, Greece
| | - Martine Bagot
- Inserm, U976, Paris, France
- Université Paris Diderot, Paris, France
- Service de Dermatologie, Hôpital Saint Louis, Paris, France
| | - Armand Bensussan
- Inserm, U976, Paris, France
- Université Paris Diderot, Paris, France
- Service de Dermatologie, Hôpital Saint Louis, Paris, France
| | - Andreas Tsapis
- Inserm, U976, Paris, France
- Université Paris Diderot, Paris, France
- * E-mail:
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Galluzzi L, Vitale I, Abrams JM, Alnemri ES, Baehrecke EH, Blagosklonny MV, Dawson TM, Dawson VL, El-Deiry WS, Fulda S, Gottlieb E, Green DR, Hengartner MO, Kepp O, Knight RA, Kumar S, Lipton SA, Lu X, Madeo F, Malorni W, Mehlen P, Nuñez G, Peter ME, Piacentini M, Rubinsztein DC, Shi Y, Simon HU, Vandenabeele P, White E, Yuan J, Zhivotovsky B, Melino G, Kroemer G. Molecular definitions of cell death subroutines: recommendations of the Nomenclature Committee on Cell Death 2012. Cell Death Differ 2012; 19:107-20. [PMID: 21760595 PMCID: PMC3252826 DOI: 10.1038/cdd.2011.96] [Citation(s) in RCA: 1814] [Impact Index Per Article: 151.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Accepted: 06/13/2011] [Indexed: 02/07/2023] Open
Abstract
In 2009, the Nomenclature Committee on Cell Death (NCCD) proposed a set of recommendations for the definition of distinct cell death morphologies and for the appropriate use of cell death-related terminology, including 'apoptosis', 'necrosis' and 'mitotic catastrophe'. In view of the substantial progress in the biochemical and genetic exploration of cell death, time has come to switch from morphological to molecular definitions of cell death modalities. Here we propose a functional classification of cell death subroutines that applies to both in vitro and in vivo settings and includes extrinsic apoptosis, caspase-dependent or -independent intrinsic apoptosis, regulated necrosis, autophagic cell death and mitotic catastrophe. Moreover, we discuss the utility of expressions indicating additional cell death modalities. On the basis of the new, revised NCCD classification, cell death subroutines are defined by a series of precise, measurable biochemical features.
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Affiliation(s)
- L Galluzzi
- INSERM U848, ‘Apoptosis, Cancer and Immunity', 94805 Villejuif, France
- Institut Gustave Roussy, 94805 Villejuif, France
- Université Paris Sud-XI, 94805 Villejuif, France
| | - I Vitale
- INSERM U848, ‘Apoptosis, Cancer and Immunity', 94805 Villejuif, France
- Institut Gustave Roussy, 94805 Villejuif, France
- Université Paris Sud-XI, 94805 Villejuif, France
| | - J M Abrams
- Department of Cell Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - E S Alnemri
- Department of Biochemistry and Molecular Biology, Center for Apoptosis Research, Kimmel Cancer Institute, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - E H Baehrecke
- Department of Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - M V Blagosklonny
- Department of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
| | - T M Dawson
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - V L Dawson
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - W S El-Deiry
- Cancer Institute Penn State, Hershey Medical Center, Philadelphia, PA 17033, USA
| | - S Fulda
- Institute for Experimental Cancer Research in Pediatrics, Goethe University, Frankfurt 60528, Germany
| | - E Gottlieb
- The Beatson Institute for Cancer Research, Glasgow G61 1BD, UK
| | - D R Green
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - M O Hengartner
- Institute of Molecular Life Sciences, University of Zurich, 8057 Zurich, Switzerland
| | - O Kepp
- INSERM U848, ‘Apoptosis, Cancer and Immunity', 94805 Villejuif, France
- Institut Gustave Roussy, 94805 Villejuif, France
- Université Paris Sud-XI, 94805 Villejuif, France
| | - R A Knight
- Institute of Child Health, University College London, London WC1N 3JH, UK
| | - S Kumar
- Centre for Cancer Biology, SA Pathology, Adelaide, South Australia 5000, Australia
- Department of Medicine, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - S A Lipton
- Sanford-Burnham Medical Research Institute, San Diego, CA 92037, USA
- Salk Institute for Biological Studies, , La Jolla, CA 92037, USA
- The Scripps Research Institute, La Jolla, CA 92037, USA
- Univerisity of California, San Diego, La Jolla, CA 92093, USA
| | - X Lu
- Ludwig Institute for Cancer Research, Oxford OX3 7DQ, UK
| | - F Madeo
- Institute of Molecular Biosciences, University of Graz, 8010 Graz, Austria
| | - W Malorni
- Department of Therapeutic Research and Medicines Evaluation, Section of Cell Aging and Degeneration, Istituto Superiore di Sanità, 00161 Rome, Italy
- Istituto San Raffaele Sulmona, 67039 Sulmona, Italy
| | - P Mehlen
- Apoptosis, Cancer and Development, CRCL, 69008 Lyon, France
- INSERM, U1052, 69008 Lyon, France
- CNRS, UMR5286, 69008 Lyon, France
- Centre Léon Bérard, 69008 Lyon, France
| | - G Nuñez
- University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - M E Peter
- Northwestern University Feinberg School of Medicine, Chicago, IL 60637, USA
| | - M Piacentini
- Laboratory of Cell Biology, National Institute for Infectious Diseases IRCCS ‘L Spallanzani', 00149 Rome, Italy
- Department of Biology, University of Rome ‘Tor Vergata', 00133 Rome, Italy
| | - D C Rubinsztein
- Cambridge Institute for Medical Research, Cambridge CB2 0XY, UK
| | - Y Shi
- Shanghai Institutes for Biological Sciences, 200031 Shanghai, China
| | - H-U Simon
- Institute of Pharmacology, University of Bern, 3010 Bern, Switzerland
| | - P Vandenabeele
- Department for Molecular Biology, Gent University, 9052 Gent, Belgium
- Department for Molecular Biomedical Research, VIB, 9052 Gent, Belgium
| | - E White
- The Cancer Institute of New Jersey, New Brunswick, NJ 08903, USA
| | - J Yuan
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - B Zhivotovsky
- Institute of Environmental Medicine, Division of Toxicology, Karolinska Institutet, 17177 Stockholm, Sweden
| | - G Melino
- Biochemical Laboratory IDI-IRCCS, Department of Experimental Medicine, University of Rome ‘Tor Vergata', 00133 Rome, Italy
- Medical Research Council, Toxicology Unit, Leicester University, Leicester LE1 9HN, UK
| | - G Kroemer
- INSERM U848, ‘Apoptosis, Cancer and Immunity', 94805 Villejuif, France
- Metabolomics Platform, Institut Gustave Roussy, 94805 Villejuif, France
- Centre de Recherche des Cordeliers, 75005 Paris, France
- Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, 75908 Paris, France
- Université Paris Descartes, Paris 5, 75270 Paris, France
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48
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Vanlangenakker N, Vanden Berghe T, Vandenabeele P. Many stimuli pull the necrotic trigger, an overview. Cell Death Differ 2012; 19:75-86. [PMID: 22075985 PMCID: PMC3252835 DOI: 10.1038/cdd.2011.164] [Citation(s) in RCA: 306] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 10/17/2011] [Accepted: 10/17/2011] [Indexed: 12/13/2022] Open
Abstract
The lab of Jürg Tschopp was the first to report on the crucial role of receptor-interacting protein kinase 1 (RIPK1) in caspase-independent cell death. Because of this pioneer finding, regulated necrosis and in particular RIPK1/RIPK3 kinase-mediated necrosis, referred to as necroptosis, has become an intensively studied form of regulated cell death. Although necrosis was identified initially as a backup cell death program when apoptosis is blocked, it is now recognized as a cellular defense mechanism against viral infections and as being critically involved in ischemia-reperfusion damage. The observation that RIPK3 ablation rescues embryonic lethality in mice deficient in caspase-8 or Fas-associated-protein-via-a-death-domain demonstrates the crucial role of this apoptotic platform in the negative control of necroptosis during development. Here, we review and discuss commonalities and differences of the increasing list of inducers of regulated necrosis ranging from cytokines, pathogen-associated molecular patterns, to several forms of physicochemical cellular stress. Since the discovery of the crucial role of RIPK1 and RIPK3 in necroptosis, these kinases have become potential therapeutic targets. The availability of new pharmacological inhibitors and transgenic models will allow us to further document the important role of this form of cell death in degenerative, inflammatory and infectious diseases.
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Affiliation(s)
- N Vanlangenakker
- Department for Molecular Biomedical Research, VIB, Zwijnaarde-Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Zwijnaarde-Ghent, Belgium
| | - T Vanden Berghe
- Department for Molecular Biomedical Research, VIB, Zwijnaarde-Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Zwijnaarde-Ghent, Belgium
| | - P Vandenabeele
- Department for Molecular Biomedical Research, VIB, Zwijnaarde-Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Zwijnaarde-Ghent, Belgium
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Schliemann M, Bullinger E, Borchers S, Allgöwer F, Findeisen R, Scheurich P. Heterogeneity reduces sensitivity of cell death for TNF-stimuli. BMC SYSTEMS BIOLOGY 2011; 5:204. [PMID: 22204418 PMCID: PMC3313907 DOI: 10.1186/1752-0509-5-204] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2011] [Accepted: 12/28/2011] [Indexed: 11/25/2022]
Abstract
Background Apoptosis is a form of programmed cell death essential for the maintenance of homeostasis and the removal of potentially damaged cells in multicellular organisms. By binding its cognate membrane receptor, TNF receptor type 1 (TNF-R1), the proinflammatory cytokine Tumor Necrosis Factor (TNF) activates pro-apoptotic signaling via caspase activation, but at the same time also stimulates nuclear factor κB (NF-κB)-mediated survival pathways. Differential dose-response relationships of these two major TNF signaling pathways have been described experimentally and using mathematical modeling. However, the quantitative analysis of the complex interplay between pro- and anti-apoptotic signaling pathways is an open question as it is challenging for several reasons: the overall signaling network is complex, various time scales are present, and cells respond quantitatively and qualitatively in a heterogeneous manner. Results This study analyzes the complex interplay of the crosstalk of TNF-R1 induced pro- and anti-apoptotic signaling pathways based on an experimentally validated mathematical model. The mathematical model describes the temporal responses on both the single cell level as well as the level of a heterogeneous cell population, as observed in the respective quantitative experiments using TNF-R1 stimuli of different strengths and durations. Global sensitivity of the heterogeneous population was quantified by measuring the average gradient of time of death versus each population parameter. This global sensitivity analysis uncovers the concentrations of Caspase-8 and Caspase-3, and their respective inhibitors BAR and XIAP, as key elements for deciding the cell's fate. A simulated knockout of the NF-κB-mediated anti-apoptotic signaling reveals the importance of this pathway for delaying the time of death, reducing the death rate in the case of pulse stimulation and significantly increasing cell-to-cell variability. Conclusions Cell ensemble modeling of a heterogeneous cell population including a global sensitivity analysis presented here allowed us to illuminate the role of the different elements and parameters on apoptotic signaling. The receptors serve to transmit the external stimulus; procaspases and their inhibitors control the switching from life to death, while NF-κB enhances the heterogeneity of the cell population. The global sensitivity analysis of the cell population model further revealed an unexpected impact of heterogeneity, i.e. the reduction of parametric sensitivity.
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Affiliation(s)
- Monica Schliemann
- Institute for Automation Engineering, Laboratory for Systems Theory and Automatic Control, Otto-von-Guericke University Magdeburg, Germany
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50
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Hatziapostolou M, Koukos G, Polytarchou C, Kottakis F, Serebrennikova O, Kuliopulos A, Tsichlis PN. Tumor progression locus 2 mediates signal-induced increases in cytoplasmic calcium and cell migration. Sci Signal 2011; 4:ra55. [PMID: 21868363 DOI: 10.1126/scisignal.2002006] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The mitogen-activated protein kinase kinase kinase (MAPKKK or MAP3K) tumor progression locus 2 (Tpl2) is required for the transduction of signals initiated by the thrombin-activated G protein-coupled receptor (GPCR) protease-activated receptor-1 (PAR1), which promote reorganization of the actin cytoskeleton and cell migration. Here, we show that Tpl2 is activated through Gα(i2)-transduced GPCR signals. Activated Tpl2 promoted the phosphorylation and activation of phospholipase C-β3 (PLCβ(3)); consequently, Tpl2 was required for thrombin-dependent production of inositol 1,4,5-trisphosphate (IP(3)), IP(3)-mediated cytoplasmic calcium ion (Ca(2+)) signals, and the activation of classical and novel members of the protein kinase C (PKC) family. A PKC-mediated feedback loop facilitated extracellular signal-regulated kinase (ERK) activation in response to Tpl2 and contributed to the coordinate regulation of the ERK and Ca(2+) signaling pathways. Pharmacological and genetic studies revealed that stimulation of cell migration by Tpl2 depends on both of these pathways. Tpl2 also promoted Ca(2+) signals and cell migration from sphingosine 1-phosphate-responsive GPCRs, which also couple to Gα(i); from Wnt5a; and from the interleukin-1β (IL-1β) receptor, a member of the Toll-IL-1R (TIR) domain family. Our data provide new insights into the role of Tpl2 in GPCR-mediated Ca(2+) signaling and cell migration.
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Affiliation(s)
- Maria Hatziapostolou
- Molecular Oncology Research Institute, Tufts Medical Center, Boston, MA 02111, USA
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