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Moerke C, Jaco I, Dewitz C, Müller T, Jacobsen AV, Gautheron J, Fritsch J, Schmitz J, Bräsen JH, Günther C, Murphy JM, Kunzendorf U, Meier P, Krautwald S. The anticonvulsive Phenhydan ® suppresses extrinsic cell death. Cell Death Differ 2019; 26:1631-1645. [PMID: 30442947 PMCID: PMC6748113 DOI: 10.1038/s41418-018-0232-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 10/30/2018] [Accepted: 10/30/2018] [Indexed: 12/27/2022] Open
Abstract
Different forms of regulated cell death-like apoptosis and necroptosis contribute to the pathophysiology of clinical conditions including ischemia-reperfusion injury, myocardial infarction, sepsis, and multiple sclerosis. In particular, the kinase activity of the receptor-interacting serine/threonine protein kinase 1 (RIPK1) is crucial for cell fate in inflammation and cell death. However, despite its involvement in pathological conditions, no pharmacologic inhibitor of RIPK1-mediated cell death is currently in clinical use. Herein, we screened a collection of clinical compounds to assess their ability to modulate RIPK1-mediated cell death. Our small-scale screen identified the anti-epilepsy drug Phenhydan® as a potent inhibitor of death receptor-induced necroptosis and apoptosis. Accordingly, Phenhydan® blocked activation of necrosome formation/activation as well as death receptor-induced NF-κB signaling by influencing the membrane function of cells, such as lipid raft formation, thus exerting an inhibitory effect on pathophysiologic cell death processes. By targeting death receptor signaling, the already FDA-approved Phenhydan® may provide new therapeutic strategies for inflammation-driven diseases caused by aberrant cell death.
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Affiliation(s)
- Caroline Moerke
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Isabel Jaco
- Toby Robins Research Centre, Institute of Cancer Research, London, SW3 6JB, UK
| | - Christin Dewitz
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Tammo Müller
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Annette V Jacobsen
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3052, Australia
| | - Jérémie Gautheron
- Université Pierre et Marie Curie, UMR_S 938, Inserm, 75012, Paris, France
| | - Jürgen Fritsch
- Institute for Clinical Microbiology and Hygiene, University of Regensburg, 93053, Regensburg, Germany
| | - Jessica Schmitz
- Department of Pathology, University of Hannover, 30625, Hannover, Germany
| | - Jan Hinrich Bräsen
- Department of Pathology, University of Hannover, 30625, Hannover, Germany
| | - Claudia Günther
- Department of Medicine 1, Friedrich-Alexander-University, 91052, Erlangen, Germany
| | - James M Murphy
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3052, Australia
| | - Ulrich Kunzendorf
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - Pascal Meier
- Toby Robins Research Centre, Institute of Cancer Research, London, SW3 6JB, UK
| | - Stefan Krautwald
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105, Kiel, Germany.
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Través PG, López-Fontal R, Cuadrado I, Luque A, Boscá L, de las Heras B, Hortelano S. Critical role of the death receptor pathway in the antitumoral effects induced by hispanolone derivatives. Oncogene 2013; 32:259-68. [PMID: 22310289 DOI: 10.1038/onc.2012.23] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Labdane diterpenoids have a broad spectrum of biological activities including antibacterial, antiviral and anti-inflammatory properties. However, little is known about their possible role in the apoptotic cell death machinery. Here, we report that hispanolone derivatives, a group of labdane diterpenoids, induce apoptosis in different tumor cell lines by activating caspase-8 with subsequent participation of mitochondrial signaling. Activation of caspase-8 by hispanolone derivatives was followed by a decrease in mitochondrial membrane potential, the release of apoptotic factors from mitochondria to the cytosol, and activation of caspases-9 and 3. Hispanolone derivatives also led to a time-dependent cleavage of Bid. Inhibition of caspase-8 abrogated these processes, suggesting that the death receptor pathway has a critical role in the apoptotic events induced by hispanolone derivatives. In addition, silencing death receptors with small interfering RNA s or pretreating cells with neutralizing antibodies to Fas ligand, tumor necrosis factor receptor 1 (TNF-R1), and TNF-α receptor 2 (TRAIL) inhibited diterpenoid-induced apoptosis, revealing it to be dependent on these death receptors. Interestingly, hispanolone derivatives had no effect on non-tumor cells. Consistently, in vivo bioluminescence imaging corroborates this antineoplasic effect, as hispanolone derivatives significantly decrease cancer growth in tumor xenograft assays. These data demostrate the antitumoral effects of hispanolone derivatives and provide relevant preclinical validation for the use of these compounds as potent therapeutic agents in cancer treatment.
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Affiliation(s)
- P G Través
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Madrid, Spain
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Yodkeeree S, Sung B, Limtrakul P, Aggarwal BB. Zerumbone enhances TRAIL-induced apoptosis through the induction of death receptors in human colon cancer cells: Evidence for an essential role of reactive oxygen species. Cancer Res 2009; 69:6581-9. [PMID: 19654295 PMCID: PMC2741416 DOI: 10.1158/0008-5472.can-09-1161] [Citation(s) in RCA: 143] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Identification of the active component and mechanisms of action of traditional medicines is highly desirable. We investigated whether zerumbone, a sesquiterpene from tropical ginger, can enhance the anticancer effects of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). We found that zerumbone potentiated TRAIL-induced apoptosis in human HCT116 colon cancer cells and that this correlated with the up-regulation of TRAIL death receptor (DR) 4 and DR5. Induction of DRs occurred at the transcriptional level, and this induction was not cell-type specific, as its expression was also up-regulated in prostate, kidney, breast, and pancreatic cancer cell lines. Deletion of DR5 or DR4 by small interfering RNA significantly reduced the apoptosis induced by TRAIL and zerumbone. In addition to up-regulating DRs, zerumbone also significantly down-regulated the expression of cFLIP but not that of other antiapoptotic proteins. The induction of both DRs by zerumbone was abolished by glutathione and N-acetylcysteine (NAC), and this correlated with decreased TRAIL-induced apoptosis, suggesting a critical role of reactive oxygen species. Inhibition of extracellular signal-regulated kinase 1/2 and p38 mitogen-activated protein kinase but not of Jun NH(2)-terminal kinase abolished the effect of zerumbone on DR induction. Zerumbone also induced the p53 tumor suppressor gene but was found to be optional for DR induction or for enhancement of TRAIL-induced apoptosis. Both bax and p21, however, were required for zerumbone to stimulate TRAIL-induced apoptosis. Overall, our results show that zerumbone can potentiate TRAIL-induced apoptosis through the reactive oxygen species-mediated activation of extracellular signal-regulated kinase 1/2 and p38 mitogen-activated protein kinase leading to DR4 and DR5 induction and resulting in enhancement of the anticancer effects of TRAIL.
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Affiliation(s)
- Supachai Yodkeeree
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Bokyung Sung
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Pornngarm Limtrakul
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Bharat B. Aggarwal
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas
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Abstract
Human tumour cells are characterized by their ability to avoid the normal regulatory mechanisms of cell growth, division and death. The classical chemotherapy aims to kill tumour cells by causing DNA damage-induced apoptosis. However, as many tumour cells possess mutations in intracellular apoptosis-sensing molecules like p53, they are not capable of inducing apoptosis on their own and are therefore resistant to chemotherapy. With the discovery of the death receptors the opportunity arose to directly trigger apoptosis from the outside of tumour cells, thereby circumventing chemotherapeutic resistance. Death receptors belong to the tumour necrosis factor receptor superfamily, with tumour necrosis factor (TNF) receptor-1, CD95 and TNF-related apoptosis-inducing ligand-R1 and -R2 being the most prominent members. This review covers the current knowledge about these four death receptors, summarizes pre-clinical approaches engaging these death receptors in anti-cancer therapy and also gives an overview about their application in clinical trials conducted to date.
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Affiliation(s)
| | | | - Henning Walczak
- Tumour Immunology Unit, Division of Medicine, Imperial College LondonUnited Kingdom
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Abstract
Triggering of tumour cell apoptosis is the foundation of many cancer therapies. Death receptors of the tumour necrosis factor (TNF) superfamily have been largely characterized, as have the signals that are generated when these receptors are activated. TNF-related apoptosis-inducing ligand (TRAIL) receptors (TRAILR1 and TRAILR2) are promising targets for cancer therapy. Herein we review what is known about the molecular control of TRAIL-mediated apoptosis, the role of TRAIL in carcinogenesis and the potential therapeutic utility of recombinant TRAIL and agonistic antibodies against TRAILR1 and TRAILR2.
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Affiliation(s)
- Ricky W Johnstone
- Cancer Immunology Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia.
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Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most common causes of cancer related death. Despite the advances in understanding of the molecular pathogenesis, pancreatic cancer remains a major unsolved health problem. Overall, the 5-year survival rate is less than 5% demonstrating the insufficiency of current therapies. Most cytotoxic therapies induce apoptosis and PDAC cells have evolved a plethora of molecular mechanisms to assure survival. We will present anti-apoptotic strategies working at the level of the death receptors, the mitochondria or involving the caspase inhibitors of the IAP family. Furthermore, the survival function of the phosphotidylinositol-3' kinase (PI3K)/AKT- and NF-kappaB-pathways are illustrated. A detailed molecular knowledge of the anti-apoptotic mechanisms of PDAC cells will help to improve therapies for this dismal disease and therapeutic strategies targeting the programmed cell death machinery are in early preclinical and clinical development.
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Affiliation(s)
- Rainer Hamacher
- II. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Roland M Schmid
- II. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Dieter Saur
- II. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Günter Schneider
- II. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany
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Braun FK, Fecker LF, Schwarz C, Walden P, Assaf C, Dürkop H, Sterry W, Eberle J. Blockade of death receptor-mediated pathways early in the signaling cascade coincides with distinct apoptosis resistance in cutaneous T-cell lymphoma cells. J Invest Dermatol 2007; 127:2425-37. [PMID: 17495957 DOI: 10.1038/sj.jid.5700868] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Control of apoptosis via death ligands plays a basic role for lymphocyte homeostasis and lymphoma development. In this study, cutaneous T-cell lymphoma (CTCL) cell lines revealed pronounced resistance to death ligands as compared to cell lines of T-cell acute lymphoblastic leukemia (T-ALL). The proapoptotic activity of tumor necrosis factor (TNF)-alpha was blocked, sensitivity to TNF-related apoptosis-inducing ligand was significantly reduced, and 1/4 CTCL cell lines was resistant to CD95 activation. In parallel, there was no activation of effector caspase-3 and initiator caspase-8 in nonresponsive CTCL cells, whereas caspase-10 was cleaved selectively in sensitive CTCL cells. No indication for a responsibility of typical downstream regulators of apoptosis was obtained, but loss of CD95 was found in 1/4, loss of TNF-R1 in 3/4, loss of caspase-10 in 2/4, loss of Bid in 1/4, and overexpression of cellular flice inhibitory protein was found in 4/4 CTCL cell lines. This clearly indicates an inhibition of apoptosis early in the extrinsic cascade, namely at the formation of the death-inducing signaling complex. Parallels with regard to expression of apoptosis regulators were seen in peripheral blood mononuclear cells and biopsies of CTCL patients. This study may indicate defects in apoptosis in CTCL and may help to guide CTCL therapy.
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Affiliation(s)
- Frank K Braun
- Department of Dermatology and Allergy, Skin Cancer Center, Charité-Universitätsmedizin Berlin, Berlin, Germany
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Naik E, Michalak EM, Villunger A, Adams JM, Strasser A. Ultraviolet radiation triggers apoptosis of fibroblasts and skin keratinocytes mainly via the BH3-only protein Noxa. ACTA ACUST UNITED AC 2007; 176:415-24. [PMID: 17283183 PMCID: PMC2063977 DOI: 10.1083/jcb.200608070] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
To identify the mechanisms of ultraviolet radiation (UVR)–induced cell death, for which the tumor suppressor p53 is essential, we have analyzed mouse embryonic fibroblasts (MEFs) and keratinocytes in mouse skin that have specific apoptotic pathways blocked genetically. Blocking the death receptor pathway provided no protection to MEFs, whereas UVR-induced apoptosis was potently inhibited by Bcl-2 overexpression, implicating the mitochondrial pathway. Indeed, Bcl-2 overexpression boosted cell survival more than p53 loss, revealing a p53-independent pathway controlled by the Bcl-2 family. Analysis of primary MEFs lacking individual members of its BH3-only subfamily identified major initiating roles for the p53 targets Noxa and Puma. In the transformed derivatives, where Puma, unexpectedly, was not induced by UVR, Noxa had the dominant role and Bim a minor role. Furthermore, loss of Noxa suppressed the formation of apoptotic keratinocytes in the skin of UV-irradiated mice. Collectively, these results demonstrate that UVR activates the Bcl-2–regulated apoptotic pathway predominantly through activation of Noxa and, depending on cellular context, Puma.
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Affiliation(s)
- Edwina Naik
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
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