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Pallavi R, Gatti E, Durfort T, Stendardo M, Ravasio R, Leonardi T, Falvo P, Duso BA, Punzi S, Xieraili A, Polazzi A, Verrelli D, Trastulli D, Ronzoni S, Frascolla S, Perticari G, Elgendy M, Varasi M, Colombo E, Giorgio M, Lanfrancone L, Minucci S, Mazzarella L, Pelicci PG. Caloric restriction leads to druggable LSD1-dependent cancer stem cells expansion. Nat Commun 2024; 15:828. [PMID: 38280853 PMCID: PMC10821871 DOI: 10.1038/s41467-023-44348-y] [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: 08/07/2023] [Accepted: 12/10/2023] [Indexed: 01/29/2024] Open
Abstract
Caloric Restriction (CR) has established anti-cancer effects, but its clinical relevance and molecular mechanism remain largely undefined. Here, we investigate CR's impact on several mouse models of Acute Myeloid Leukemias, including Acute Promyelocytic Leukemia, a subtype strongly affected by obesity. After an initial marked anti-tumor effect, lethal disease invariably re-emerges. Initially, CR leads to cell-cycle restriction, apoptosis, and inhibition of TOR and insulin/IGF1 signaling. The relapse, instead, is associated with the non-genetic selection of Leukemia Initiating Cells and the downregulation of double-stranded RNA (dsRNA) sensing and Interferon (IFN) signaling genes. The CR-induced adaptive phenotype is highly sensitive to pharmacological or genetic ablation of LSD1, a lysine demethylase regulating both stem cells and dsRNA/ IFN signaling. CR + LSD1 inhibition leads to the re-activation of dsRNA/IFN signaling, massive RNASEL-dependent apoptosis, and complete leukemia eradication in ~90% of mice. Importantly, CR-LSD1 interaction can be modeled in vivo and in vitro by combining LSD1 ablation with pharmacological inhibitors of insulin/IGF1 or dual PI3K/MEK blockade. Mechanistically, insulin/IGF1 inhibition sensitizes blasts to LSD1-induced death by inhibiting the anti-apoptotic factor CFLAR. CR and LSD1 inhibition also synergize in patient-derived AML and triple-negative breast cancer xenografts. Our data provide a rationale for epi-metabolic pharmacologic combinations across multiple tumors.
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Affiliation(s)
- Rani Pallavi
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Elena Gatti
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Tiphanie Durfort
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Massimo Stendardo
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Roberto Ravasio
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Tommaso Leonardi
- Center for Genomic Science of IIT@SEMM, Fondazione Istituto Italiano di Tecnologia, Milan, Italy
| | - Paolo Falvo
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Bruno Achutti Duso
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Simona Punzi
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Aobuli Xieraili
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Andrea Polazzi
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Doriana Verrelli
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Deborah Trastulli
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Simona Ronzoni
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Simone Frascolla
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Giulia Perticari
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Mohamed Elgendy
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
- Medical Clinic I, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Mildred-Scheel Early Career Center, National Center for Tumor Diseases Dresden (NCT/UCC) University Hospital and Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, CZ-14220, Czech Republic
| | - Mario Varasi
- IFOM ETS - The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Emanuela Colombo
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Department of Hemato-Oncology, Universita' Statale di Milano, Milan, Italy
| | - Marco Giorgio
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Luisa Lanfrancone
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
| | - Saverio Minucci
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy
- Department of Hemato-Oncology, Universita' Statale di Milano, Milan, Italy
| | - Luca Mazzarella
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, IEO European Institute of Oncology IRCCS, Milan, Italy.
- Department of Hemato-Oncology, Universita' Statale di Milano, Milan, Italy.
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Di Benedetto C, Khan T, Serrano-Saenz S, Rodriguez-Lemus A, Klomsiri C, Beutel TM, Thach A, Walczak H, Betancur P. Enhancer Clusters Drive Type I Interferon-Induced TRAIL Overexpression in Cancer, and Its Intracellular Protein Accumulation Fails to Induce Apoptosis. Cancers (Basel) 2023; 15:967. [PMID: 36765925 PMCID: PMC9913803 DOI: 10.3390/cancers15030967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/14/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a cytokine produced and secreted by immune cells in response to an infection, often in response to interferon (IFN) stimulation. In cancer, it has also been shown that IFN stimulates the production of TRAIL, and it has been proposed that this TRAIL can induce apoptosis in an autocrine or paracrine manner in different cancer cells. Yet, the mechanism mediating TRAIL upregulation and the implications of TRAIL as an apoptotic molecule in cancer cells are still poorly understood. We show here that in certain cancer cells, TRAIL is upregulated by enhancer clusters, potent genomic regulatory regions containing densely packed enhancers that have combinatorial and additive activity and that are usually found to be associated with cancer-promoting genes. Moreover, we found that TRAIL upregulation by IFNα is mediated by these enhancer clusters in breast and lung cancer cells. Surprisingly, IFNα stimulation leads to the intracellular accumulation of TRAIL protein in these cancer cells. Consequently, this TRAIL is not capable of inducing apoptosis. Our study provides novel insights into the mechanism behind the interferon-mediated upregulation of TRAIL and its protein accumulation in cancer cells. Further investigation is required to understand the role of intracellular TRAIL or depict the mechanisms mediating its apoptosis impairment in cancer cells.
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Affiliation(s)
- Carolina Di Benedetto
- Department of Radiation Oncology, University of California, San Francisco (UCSF), San Francisco, CA 94143, USA
| | - Taimoor Khan
- Department of Radiation Oncology, University of California, San Francisco (UCSF), San Francisco, CA 94143, USA
| | - Santiago Serrano-Saenz
- CECAD Cluster of Excellence, University of Cologne, 50931 Cologne, Germany
- Center for Biochemistry, Medical Faculty, University of Cologne, 50931 Cologne, Germany
| | - Anthony Rodriguez-Lemus
- Department of Radiation Oncology, University of California, San Francisco (UCSF), San Francisco, CA 94143, USA
| | - Chananat Klomsiri
- Department of Radiation Oncology, University of California, San Francisco (UCSF), San Francisco, CA 94143, USA
| | - Tim-Mathis Beutel
- CECAD Cluster of Excellence, University of Cologne, 50931 Cologne, Germany
- Center for Biochemistry, Medical Faculty, University of Cologne, 50931 Cologne, Germany
| | - Alysia Thach
- Department of Radiation Oncology, University of California, San Francisco (UCSF), San Francisco, CA 94143, USA
| | - Henning Walczak
- CECAD Cluster of Excellence, University of Cologne, 50931 Cologne, Germany
- Center for Biochemistry, Medical Faculty, University of Cologne, 50931 Cologne, Germany
- Centre for Cell Death, Cancer, and Inflammation (CCCI), UCL Cancer Institute, University College London, London WC1E 6DD, UK
| | - Paola Betancur
- Department of Radiation Oncology, University of California, San Francisco (UCSF), San Francisco, CA 94143, USA
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Shi W, Yao X, Fu Y, Wang Y. Interferon‑α and its effects on cancer cell apoptosis (Review). Oncol Lett 2022; 24:235. [PMID: 35720476 PMCID: PMC9185151 DOI: 10.3892/ol.2022.13355] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/19/2022] [Indexed: 11/06/2022] Open
Abstract
Interferon (IFN)-α is a cytokine that exhibits a wide range of biological activities and is used in various cancer treatments. It regulates numerous genes that serve roles in antiviral, antiproliferative and proapoptotic activities. For decades, one of the main aspects of clinical oncology has been the development of anticancer therapeutics that promote the effective elimination of cancer cells via apoptosis. However, the updated available information concerning IFN-α-induced cancer cell apoptosis needs to be assembled, so as to provide an improved theoretical reference for the basic scientific research and clinical treatment of malignant tumors. Therefore, the present review focuses on the potential effects of IFN-α in inducing cancer cell apoptosis. The biological characteristics of IFN-α, the apoptotic signaling pathways and molecular mechanisms of apoptosis caused by IFN-α are discussed in different types of cancer cells. The present review provided a comprehensive understanding of the effects of IFN-α on cancer cell apoptosis, which will aid in developing more efficient strategies to effectively control the progression of certain cancers.
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Affiliation(s)
- Weiye Shi
- College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, P.R. China
| | - Xu Yao
- College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, P.R. China
| | - Yu Fu
- College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, P.R. China
| | - Yingze Wang
- College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, P.R. China
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Quiroz-Reyes AG, González-Villarreal CA, Martínez-Rodriguez H, Said-Fernández S, Salinas-Carmona MC, Limón-Flores AY, Soto-Domínguez A, Padilla-Rivas G, Montes De Oca-Luna R, Islas JF, Garza-Treviño EN. A combined antitumor strategy of separately transduced mesenchymal stem cells with soluble TRAIL and IFNβ produces a synergistic activity in the reduction of lymphoma and mice survival enlargement. Mol Med Rep 2022; 25:206. [PMID: 35485288 PMCID: PMC9073847 DOI: 10.3892/mmr.2022.12722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/29/2022] [Indexed: 11/11/2022] Open
Abstract
As the understanding of cancer grows, new therapies have been proposed to improve the well-known limitations of current therapies, whose efficiency relies mostly on early detection, surgery and chemotherapy. Mesenchymal stem cells (MSCs) have been introduced as a promissory and effective therapy. This fact is due to several useful features of MSCs, such as their accessibility and easy culture and expansion in vitro, and their remarkable ability for ‘homing’ towards tumors, allowing MSCs to exert their anticancer effects directly into tumors. Additionally, MSCs offer the practicability of being genetically engineered to carry anticancer genes, increasing their specificity and efficacy for fighting tumors. In the present study, the antitumoral efficacy and post-implant survival of mice bearing lymphomas implanted intratumorally were determined using mouse bone marrow-derived (BM)-MSCs transduced with soluble TRAIL (sTRAIL), full length TRAIL (flTRAIL), or interferon β (IFNβ), naïve BM-MSCs, or combinations of these. The percentage of surviving mice was determined once all not-implanted mice succumbed. It was found that the percentage of surviving mice implanted with the combination of MSCs-sTRAIL and MSCs-IFN-β was 62.5%. Lymphoma model achieved 100% fatality in the non-treated group by day 41. On the other hand, the percentage of surviving mice implanted with MSCs-sTRAIL was 50% and with MSCs-INFβ 25%. All the aforementioned differences were statistically significant (P<0.05). In conclusion, all implants exhibited tumor size reduction, growth delay, or apparent tumor clearance. MSCs proved to be effective anti-lymphoma agents; additionally, the combination of soluble TRAIL and IFN-β resulted in the most effective antitumor and life enlarging treatment, showing an additive antitumoral effect compared with individual treatments.
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Affiliation(s)
- Adriana G Quiroz-Reyes
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Carlos A González-Villarreal
- Laboratory of Molecular Genetics, Department of Basic Sciences, University of Monterrey, Monterrey, Nuevo León 66238, Mexico
| | - Herminia Martínez-Rodriguez
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Salvador Said-Fernández
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Mario César Salinas-Carmona
- Department of Immunology, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Alberto Y Limón-Flores
- Department of Immunology, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Adolfo Soto-Domínguez
- Department of Histology, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Gerardo Padilla-Rivas
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Roberto Montes De Oca-Luna
- Department of Histology, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Jose F Islas
- Department of Histology, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
| | - Elsa N Garza-Treviño
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Autonomous University of Nuevo Leon, Monterrey, Nuevo León 64460, Mexico
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5
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Healy FM, Dahal LN, Jones JRE, Floisand Y, Woolley JF. Recent Progress in Interferon Therapy for Myeloid Malignancies. Front Oncol 2021; 11:769628. [PMID: 34778087 PMCID: PMC8586418 DOI: 10.3389/fonc.2021.769628] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/13/2021] [Indexed: 12/29/2022] Open
Abstract
Myeloid malignancies are a heterogeneous group of clonal haematopoietic disorders, caused by abnormalities in haematopoietic stem cells (HSCs) and myeloid progenitor cells that originate in the bone marrow niche. Each of these disorders are unique and present their own challenges with regards to treatment. Acute myeloid leukaemia (AML) is considered the most aggressive myeloid malignancy, only potentially curable with intensive cytotoxic chemotherapy with or without allogeneic haematopoietic stem cell transplantation. In comparison, patients diagnosed with chronic myeloid leukaemia (CML) and treated with tyrosine kinase inhibitors (TKIs) have a high rate of long-term survival. However, drug resistance and relapse are major issues in both these diseases. A growing body of evidence suggests that Interferons (IFNs) may be a useful therapy for myeloid malignancies, particularly in circumstances where patients are resistant to existing front-line therapies and have risk of relapse following haematopoietic stem cell transplant. IFNs are a major class of cytokines which are known to play an integral role in the non-specific immune response. IFN therapy has potential as a combination therapy in AML patients to reduce the impact of minimal residual disease on relapse. Alongside this, IFNs can potentially sensitize leukaemic cells to TKIs in resistant CML patients. There is evidence also that IFNs have a therapeutic role in myeloproliferative neoplasms (MPNs) such as polycythaemia vera (PV) and primary myelofibrosis (PMF), where they can restore polyclonality in patients. Novel formulations have improved the clinical effectiveness of IFNs. Low dose pegylated IFN formulations improve pharmacokinetics and improve patient tolerance to therapies, thereby minimizing the risk of haematological toxicities. Herein, we will discuss recent developments and the current understanding of the molecular and clinical implications of Type I IFNs for the treatment of myeloid malignancies.
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Affiliation(s)
- Fiona M Healy
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, United Kingdom
| | - Lekh N Dahal
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, United Kingdom
| | - Jack R E Jones
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, United Kingdom
| | - Yngvar Floisand
- Department of Molecular & Clinical Cancer Medicine, University of Liverpool, Liverpool, United Kingdom.,The Clatterbridge Cancer Centre NHS Foundation Trust, Liverpool, United Kingdom
| | - John F Woolley
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, United Kingdom
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Ustyanovska Avtenyuk N, Visser N, Bremer E, Wiersma VR. The Neutrophil: The Underdog That Packs a Punch in the Fight against Cancer. Int J Mol Sci 2020; 21:E7820. [PMID: 33105656 PMCID: PMC7659937 DOI: 10.3390/ijms21217820] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/19/2020] [Accepted: 10/19/2020] [Indexed: 02/07/2023] Open
Abstract
The advent of immunotherapy has had a major impact on the outcome and overall survival in many types of cancer. Current immunotherapeutic strategies typically aim to (re)activate anticancer T cell immunity, although the targeting of macrophage-mediated anticancer innate immunity has also emerged in recent years. Neutrophils, although comprising ≈ 60% of all white blood cells in the circulation, are still largely overlooked in this respect. Nevertheless, neutrophils have evident anticancer activity and can induce phagocytosis, trogocytosis, as well as the direct cytotoxic elimination of cancer cells. Furthermore, therapeutic tumor-targeting monoclonal antibodies trigger anticancer immune responses through all innate Fc-receptor expressing cells, including neutrophils. Indeed, the depletion of neutrophils strongly reduced the efficacy of monoclonal antibody treatment and increased tumor progression in various preclinical studies. In addition, the infusion of neutrophils in murine cancer models reduced tumor progression. However, evidence on the anticancer effects of neutrophils is fragmentary and mostly obtained in in vitro assays or murine models with reports on anticancer neutrophil activity in humans lagging behind. In this review, we aim to give an overview of the available knowledge of anticancer activity by neutrophils. Furthermore, we will describe strategies being explored for the therapeutic activation of anticancer neutrophil activity.
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Affiliation(s)
| | | | - Edwin Bremer
- Department of Hematology, Cancer Research Center Groningen, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1/DA13, 9713 GZ Groningen, The Netherlands; (N.U.A.); (N.V.)
| | - Valerie R. Wiersma
- Department of Hematology, Cancer Research Center Groningen, University Medical Center Groningen (UMCG), University of Groningen, Hanzeplein 1/DA13, 9713 GZ Groningen, The Netherlands; (N.U.A.); (N.V.)
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Chung AH, Leisner TM, Dardis GJ, Bivins MM, Keller AL, Parise LV. CIB1 depletion with docetaxel or TRAIL enhances triple-negative breast cancer cell death. Cancer Cell Int 2019; 19:26. [PMID: 30740034 PMCID: PMC6360800 DOI: 10.1186/s12935-019-0740-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 01/29/2019] [Indexed: 12/27/2022] Open
Abstract
Background Patients diagnosed with triple negative breast cancer (TNBC) have limited treatment options and often suffer from resistance and toxicity due to chemotherapy. We previously found that depleting calcium and integrin-binding protein 1 (CIB1) induces cell death selectively in TNBC cells, while sparing normal cells. Therefore, we asked whether CIB1 depletion further enhances tumor-specific killing when combined with either the commonly used chemotherapeutic, docetaxel, or the cell death-inducing ligand, TRAIL. Methods We targeted CIB1 by RNA interference in MDA-MB-436, MDA-MB-231, MDA-MB-468, docetaxel-resistant MDA-MB-436 TNBC cells and ME16C normal breast epithelial cells alone or combination with docetaxel or TRAIL. Cell death was quantified via trypan blue exclusion using flow cytometry and cell death mechanisms were analyzed by Western blotting. Cell surface levels of TRAIL receptors were measured by flow cytometry analysis. Results CIB1 depletion combined with docetaxel significantly enhanced tumor-specific cell death relative to each treatment alone. The enhanced cell death strongly correlated with caspase-8 activation, a hallmark of death receptor-mediated apoptosis. The death receptor TRAIL-R2 was upregulated in response to CIB1 depletion, which sensitized TNBC cells to the ligand TRAIL, resulting in a synergistic increase in cell death. In addition to death receptor-mediated apoptosis, both combination treatments activated a non-apoptotic mechanism, called paraptosis. Interestingly, these combination treatments also induced nearly complete death of docetaxel-resistant MDA-MB-436 cells, again via apoptosis and paraptosis. In contrast, neither combination treatment induced cell death in normal ME16C cells. Conclusion Novel combinations of CIB1 depletion with docetaxel or TRAIL selectively enhance naive and docetaxel-resistant TNBC cell death while sparing normal cell. Therefore, combination therapies that target CIB1 could prove to be a safe and durable strategy for treatment of TNBC and potentially other cancers. Electronic supplementary material The online version of this article (10.1186/s12935-019-0740-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alexander H Chung
- 1Department of Pharmacology, University of North Carolina at Chapel Hill, CB #7365, Chapel Hill, NC 27599 USA
| | - Tina M Leisner
- 2Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, CB #7260, Chapel Hill, NC 27599 USA
| | - Gabrielle J Dardis
- 2Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, CB #7260, Chapel Hill, NC 27599 USA
| | - Marissa M Bivins
- 1Department of Pharmacology, University of North Carolina at Chapel Hill, CB #7365, Chapel Hill, NC 27599 USA
| | - Alana L Keller
- 2Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, CB #7260, Chapel Hill, NC 27599 USA
| | - Leslie V Parise
- 2Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, CB #7260, Chapel Hill, NC 27599 USA.,3Lineberger Comprehensive Cancer Center, Chapel Hill, NC USA
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Liu PC, Lu G, Deng Y, Wang CD, Su XW, Zhou JY, Chan TM, Hu X, Poon WS. Inhibition of NF-κB Pathway and Modulation of MAPK Signaling Pathways in Glioblastoma and Implications for Lovastatin and Tumor Necrosis Factor-Related Apoptosis Inducing Ligand (TRAIL) Combination Therapy. PLoS One 2017; 12:e0171157. [PMID: 28135339 PMCID: PMC5279772 DOI: 10.1371/journal.pone.0171157] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Accepted: 01/16/2017] [Indexed: 11/18/2022] Open
Abstract
Glioblastoma is a common malignant brain tumor and it is refractory to therapy because it usually contains a mixture of cell types. The tumor necrosis factor-related apoptosis inducing ligand (TRAIL) has been shown to induce apoptosis in a range of tumor cell types. Previously, we found that two human glioblastoma cell lines are resistant to TRAIL, while lovastatin sensitizes these glioblastoma cells to TRAIL-induced cell death. In this study, we investigated the mechanisms underlying the TRAIL-induced apoptosis in human glioblastoma cell lines by lovastatin. Furthermore, we have confirmed the anti-tumor effect of combination therapy with lovastatin and TRAIL in the subcutaneous brain tumor model. We showed that lovastatin significantly up-regulated the expression of death receptor 5 (DR5) in glioblastoma cell lines as well as in tumor-bearing mice with peri-tumoral administration of lovastatin. Further study in glioblastoma cell lines suggested that lovastatin treatment could inhibit NF-κB and Erk/MAPK pathways but activates JNK pathway. These results suggest that lovastatin sensitizes TRAIL-induced apoptosis by up-regulation of DR5 level via NF-κB inactivation, but also directly induces apoptosis by dysregulation of MAPK pathway. Our in vivo study showed that local peri-tumoral co-injection of lovastatin and TRAIL substantially reduced tumor growth compared with single injection of lovastatin or TRAIL in subcutaneous nude mice model. This study suggests that combined treatment of lovastatin and TRAIL is a promising therapeutic strategy to TRAIL-resistant glioblastoma.
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Affiliation(s)
- Pi Chu Liu
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Gang Lu
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Yi Deng
- Shenzhen Key Laboratory of Cell Microenvironment, Department of Biology, South University of Science and Technology of China, Shenzhen, Guangdong, China
| | - Cheng Dong Wang
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Xian Wei Su
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Jing Ye Zhou
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Tat Ming Chan
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiang Hu
- Shenzhen Beike Cell Engineering Research Institute, Shenzhen, China
| | - Wai Sang Poon
- Division of Neurosurgery, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
- * E-mail:
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Abstract
A number of traditional medicine plants are hepatotoxic. Thus, while the traditional uses of Atuna racemosa suggest little indication for toxicity, it is nonetheless important to examine the potential for this extract to target the liver. Using Jurkat T cells and HepG2 hepatocytes as a model, the potential hepatotoxicity of this extract was evaluated. The results of a conditioned media experiment suggest that A. racemosa extract would likely be detoxified by the liver. These results provide the necessary background to Initiate an in vivo toxicology investigation.
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Affiliation(s)
- Eric J Buenz
- Complementary and Integrative Medicine Program, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
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10
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Interferon α Induces the Apoptosis of Cervical Cancer HeLa Cells by Activating both the Intrinsic Mitochondrial Pathway and Endoplasmic Reticulum Stress-Induced Pathway. Int J Mol Sci 2016; 17:ijms17111832. [PMID: 27827850 PMCID: PMC5133833 DOI: 10.3390/ijms17111832] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 10/14/2016] [Accepted: 10/27/2016] [Indexed: 02/02/2023] Open
Abstract
The interferon α (IFN-α) has been often used as a sensitizing agent for the treatment of various malignancies such as hepatocellular carcinoma, malignant melanoma, and renal cell cancer by promoting the apoptosis of thesetumor cell types. However, the effect of IFN-α on cervical cancer remains unknown. In this study, HeLa cells were used as a testing model for the treatment of IFN-α on cervical cancer. The results indicate that IFN-α markedly inhibits the proliferation and induces the apoptosis of HeLa cells. The activation of caspase 3, the up-regulation of both Bim and cleaved poly (ADP-ribose) polymerase (PARP) 1, the down-regulation of Bcl-xL, as well as the release of cytochrome c from mitochondria were significantly induced upon IFN-α treatment, indicating that the intrinsic apoptotic pathway could be activated by IFN-α treatment. In addition, caspase 4—which is involved in the endoplasmic reticulum (ER) stress-induced apoptosis—was activated in response to IFN-α treatment. Knocking down caspase 4 by small interfering RNA (siRNA) markedly reduced the IFN-α-mediated cell apoptosis. However, no significant changes in the expressions of caspases 8 and 10 were observed upon IFN-α treatment, indicating that the apoptosis caused by IFN-α might be independent of the extrinsic apoptotic pathway. These findings suggest that IFN-α may possess anti-cervical cancer capacity by activating cell apoptosis via the intrinsic mitochondrial pathway and caspase-4-related ER stress-induced pathway.
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Pei J, Deng J, Ye Z, Wang J, Gou H, Liu W, Zhao M, Liao M, Yi L, Chen J. Absence of autophagy promotes apoptosis by modulating the ROS-dependent RLR signaling pathway in classical swine fever virus-infected cells. Autophagy 2016; 12:1738-1758. [PMID: 27463126 DOI: 10.1080/15548627.2016.1196318] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
A growing number of studies have demonstrated that both macroautophagy/autophagy and apoptosis are important inner mechanisms of cell to maintain homeostasis and participate in the host response to pathogens. We have previously reported that a functional autophagy pathway is trigged by infection of classical swine fever virus (CSFV) and is required for viral replication and release in host cells. However, the interplay of autophagy and apoptosis in CSFV-infected cells has not been clarified. In the present study, we demonstrated that autophagy induction with rapamycin facilitates cellular proliferation after CSFV infection, and that autophagy inhibition by knockdown of essential autophagic proteins BECN1/Beclin 1 or MAP1LC3/LC3 (microtubule-associated protein 1 light chain 3) promotes apoptosis via fully activating both intrinsic and extrinsic mechanisms in CSFV-infected cells. We also found that RIG-I-like receptor (RLR) signaling was amplified in autophagy-deficient cells during CSFV infection, which was closely linked to the activation of the intrinsic apoptosis pathway. Moreover, we discovered that virus infection of autophagy-impaired cells results in an increase in copy number of mitochondrial DNA and in the production of reactive oxygen species (ROS), which plays a significant role in enhanced RLR signaling and the activated extrinsic apoptosis pathway in cultured cells. Collectively, these data indicate that CSFV-induced autophagy delays apoptosis by downregulating ROS-dependent RLR signaling and thus contributes to virus persistent infection in host cells.
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Affiliation(s)
- Jingjing Pei
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Jieru Deng
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Zuodong Ye
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Jiaying Wang
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Hongchao Gou
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Wenjun Liu
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Mingqiu Zhao
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Ming Liao
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Lin Yi
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
| | - Jinding Chen
- a College of Veterinary Medicine , South China Agricultural University , Guangzhou , China
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Wandrer F, Falk CS, John K, Skawran B, Manns MP, Schulze-Osthoff K, Bantel H. Interferon-Mediated Cytokine Induction Determines Sustained Virus Control in Chronic Hepatitis C Virus Infection. J Infect Dis 2015; 213:746-54. [PMID: 26503984 DOI: 10.1093/infdis/jiv505] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/08/2015] [Indexed: 12/14/2022] Open
Abstract
Hepatitis C virus (HCV) infection is a major cause of chronic liver disease and associated complications such as liver cirrhosis and hepatocellular carcinoma. Interferons (IFNs) are crucial for HCV clearance and a sustained virological response (SVR), but a significant proportion of patients do not respond to IFNα. The underlying mechanisms of an insufficient IFN response remain largely unknown. In this study, we found that patients responding to IFNα with viral clearance had significantly higher serum levels of TNF-related apoptosis inducing ligand (TRAIL), compared with patients who failed to control HCV. In addition, upon direct IFNα exposure, peripheral blood mononuclear cells (PBMCs) from patients with SVR upregulated TRAIL, as well as IFN-γ and the chemokines CXCL9 and CXCL10, much more strongly than cells from patients with antiviral treatment failure. As a possible mechanism of the stronger IFNα-induced cytokine response, we identified higher levels of expression and phosphorylation of the transcription factor STAT1 in PBMCs from patients with SVR. Increased TRAIL expression additionally involved the NF-κB and JNK signaling pathways. Thus, SVR in chronic HCV infection is associated with a strong IFNα-induced cytokine response, which might allow for the early prediction of treatment efficacy in HCV infection.
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Affiliation(s)
| | | | - Katharina John
- Department of Gastroenterology, Hepatology, and Endocrinology
| | - Britta Skawran
- Institute for Cell and Molecular Pathology, Hannover Medical School
| | - Michael P Manns
- Department of Gastroenterology, Hepatology, and Endocrinology
| | - Klaus Schulze-Osthoff
- Interfaculty Institute for Biochemistry, University of Tübingen German Cancer Consortium (DKTK)German Research Cancer Center (DKFZ), Heidelberg, Germany
| | - Heike Bantel
- Department of Gastroenterology, Hepatology, and Endocrinology
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13
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Bonavida B, Garban H. Nitric oxide-mediated sensitization of resistant tumor cells to apoptosis by chemo-immunotherapeutics. Redox Biol 2015; 6:486-494. [PMID: 26432660 PMCID: PMC4596920 DOI: 10.1016/j.redox.2015.08.013] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 08/14/2015] [Accepted: 08/17/2015] [Indexed: 11/17/2022] Open
Abstract
The generation of NO by the various NO synthases in normal and malignant tissues is manifested by various biological effects that are involved in the regulation of cell survival, differentiation and cell death. The role of NO in the cytotoxic immune response was first revealed by demonstrating the induction of iNOS in target cells by immune cytokines (e.g. IFN-γ, IL-1, TNF-α, etc.) and resulting in the sensitization of resistant tumor cells to death ligands-induced apoptosis. Endogenous/exogenous NO mediated its immune sensitizing effect by inhibiting NF-κΒ activity and downstream, inactivating the repressor transcription factor YY1, which inhibited both Fas and DR5 expressions. In addition, NO-mediated inhibition of NF-κΒ activity and inhibition downstream of its anti-apoptotic gene targets sensitized the tumor cells to apoptosis by chemotherapeutic drugs. We have identified in tumor cells a dysregulated pro-survival/anti-apoptotic loop consisting of NF-κB/Snail/YY1/RKIP/PTEN and its modification by NO was responsible, in large, for the reversal of chemo and immune resistance and sensitization to apoptotic mechanisms by cytotoxic agents. Moreover, tumor cells treated with exogenous NO donors resulted in the inhibition of NF-κΒ activity via S-nitrosylation of p50 and p65, inhibition of Snail (NF-κΒ target gene), inhibition of transcription repression by S-nitrosylation of YY1 and subsequent inhibition of epithelial-mesenchymal transition (EMT), induction of RKIP (inhibition of the transcription repressor Snail), and induction of PTEN (inhibition of the repressors Snail and YY1). Further, each gene product modified by NO in the loop was involved in chemo-immunosensitization. These above findings demonstrated that NO donors interference in the regulatory circuitry result in chemo-immunosensitization and inhibition of EMT. Overall, these observations suggest the potential anti-tumor therapeutic effect of NO donors in combination with subtoxic chemo-immuno drugs. This combination acts on multiple facets including reversal of chemo-immune resistance, and inhibition of both EMT and metastasis.
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Affiliation(s)
- Benjamin Bonavida
- Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA 90095, USA.
| | - Hermes Garban
- NantBioScience, Inc., NantWorks, LLC., California NanoSystems Institute (CnSI) at the University of California, Los Angeles, CA 90095, USA
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McNab F, Mayer-Barber K, Sher A, Wack A, O'Garra A. Type I interferons in infectious disease. Nat Rev Immunol 2015; 15:87-103. [PMID: 25614319 DOI: 10.1038/nri3787] [Citation(s) in RCA: 1665] [Impact Index Per Article: 185.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Type I interferons (IFNs) have diverse effects on innate and adaptive immune cells during infection with viruses, bacteria, parasites and fungi, directly and/or indirectly through the induction of other mediators. Type I IFNs are important for host defence against viruses. However, recently, they have been shown to cause immunopathology in some acute viral infections, such as influenza virus infection. Conversely, they can lead to immunosuppression during chronic viral infections, such as lymphocytic choriomeningitis virus infection. During bacterial infections, low levels of type I IFNs may be required at an early stage, to initiate cell-mediated immune responses. High concentrations of type I IFNs may block B cell responses or lead to the production of immunosuppressive molecules, and such concentrations also reduce the responsiveness of macrophages to activation by IFNγ, as has been shown for infections with Listeria monocytogenes and Mycobacterium tuberculosis. Recent studies in experimental models of tuberculosis have demonstrated that prostaglandin E2 and interleukin-1 inhibit type I IFN expression and its downstream effects, demonstrating that a cross-regulatory network of cytokines operates during infectious diseases to provide protection with minimum damage to the host.
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Affiliation(s)
- Finlay McNab
- 1] Allergic Inflammation Discovery Performance Unit, Respiratory Disease Respiratory Research and Development, GlaxoSmithKline, Stevenage, Hertfordshire SG1 2NY, UK. [2] Division of Immunoregulation, Medical Research Council (MRC) National Institute for Medical Research, Mill Hill, London NW7 1AA, UK
| | - Katrin Mayer-Barber
- Immunobiology Section, Laboratory of Parasitic Diseases (LPD), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases (LPD), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Andreas Wack
- Division of Immunoregulation, Medical Research Council (MRC) National Institute for Medical Research, Mill Hill, London NW7 1AA, UK
| | - Anne O'Garra
- 1] Division of Immunoregulation, Medical Research Council (MRC) National Institute for Medical Research, Mill Hill, London NW7 1AA, UK. [2] National Heart and Lung Institute (NHLI), Faculty of Medicine, Imperial College London, London, UK
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15
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Aravind SR, Joseph MM, George SK, Dileep KV, Varghese S, Rose-James A, Balaram P, Sadasivan C, Sreelekha TT. TRAIL-based tumor sensitizing galactoxyloglucan, a novel entity for targeting apoptotic machinery. Int J Biochem Cell Biol 2014; 59:153-66. [PMID: 25541375 DOI: 10.1016/j.biocel.2014.11.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 11/19/2014] [Accepted: 11/22/2014] [Indexed: 01/08/2023]
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is an attractive target for cancer therapy due to its ability to selectively induce apoptosis in cancer cells, without causing significant toxicity in normal tissues. We previously reported that galactoxyloglucan (PST001) possesses significant antitumor and immunomodulatory properties. However, the exact mechanism in mediating this anticancer effect is unknown. This study, for the first time, indicated that PST001 sensitizes non-small cell lung cancer (A549) and nasopharyngeal (KB) cells to TRAIL-mediated apoptosis. In vitro studies suggested that PST001 induced apoptosis primarily via death receptors and predominantly activated caspases belonging to the extrinsic apoptotic cascade. Microarray profiling of PST001 treated A549 and KB cells showed the suppression of survivin (BIRC5) and anti-apoptotic Bcl-2, as well as increased cytochrome C. TaqMan low density array analysis of A549 cells also confirmed that the induction of apoptosis by the polysaccharide occurred through the TRAIL-DR4/DR5 pathways. This was finally confirmed by in silico analysis, which revealed that PST001 binds to TRAIL-DR4/DR5 complexes more strongly than TNF and Fas ligand-receptor complexes. In summary, our results suggest the potential of PST001 to be developed as an anticancer agent that not only preserves innate biological activity of TRAIL, but also sensitizes cancer cells to TRAIL-mediated apoptosis.
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Affiliation(s)
- S R Aravind
- Laboratory of Biopharmaceuticals and Nanomedicine, Division of Cancer Research, Regional Cancer Centre, Trivandrum, Kerala 695011, India
| | - Manu M Joseph
- Laboratory of Biopharmaceuticals and Nanomedicine, Division of Cancer Research, Regional Cancer Centre, Trivandrum, Kerala 695011, India
| | - Suraj K George
- Department of Hematopathology, UT MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA
| | - K V Dileep
- Department of Biotechnology and Microbiology and Inter-University Centre for Bioscience, Kannur University, Thalassery Campus, Palayad, Kerala 670661, India
| | - Sheeja Varghese
- Laboratory of Biopharmaceuticals and Nanomedicine, Division of Cancer Research, Regional Cancer Centre, Trivandrum, Kerala 695011, India
| | - Alphy Rose-James
- Laboratory of Biopharmaceuticals and Nanomedicine, Division of Cancer Research, Regional Cancer Centre, Trivandrum, Kerala 695011, India
| | - Prabha Balaram
- Quest International University, Perak, No. 227, Plaza Teh Teng Seng-level 2, Jalan Raja Permaisuri Bainum, 30250 Ipoh, Perak, Malaysia
| | - C Sadasivan
- Department of Biotechnology and Microbiology and Inter-University Centre for Bioscience, Kannur University, Thalassery Campus, Palayad, Kerala 670661, India
| | - T T Sreelekha
- Laboratory of Biopharmaceuticals and Nanomedicine, Division of Cancer Research, Regional Cancer Centre, Trivandrum, Kerala 695011, India.
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16
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Wang J, Hansen K, Edwards R, Van Houten B, Qian W. Mitochondrial division inhibitor 1 (mdivi-1) enhances death receptor-mediated apoptosis in human ovarian cancer cells. Biochem Biophys Res Commun 2014; 456:7-12. [PMID: 25446129 DOI: 10.1016/j.bbrc.2014.11.010] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 11/06/2014] [Indexed: 01/26/2023]
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) based strategy is a promising targeted therapeutic approach for the treatment of a variety of cancers including ovarian cancer. However, the inherent or acquired resistance of tumor cells to TRAIL limits the potential application of TRAIL-mediated therapy. In this study, we identified that mitochondrial division inhibitor-1 (mdivi-1) is able to enhance the sensitivity of human ovarian cancer cells to death receptor ligands including TRAIL, FAS ligands, and TNF-α. Importantly, the combination of TRAIL and mdivi-1 has no apparent cytotoxic effect on non-transformed human cells, indicating a significant therapeutic window. We identified that caspase-8 and not the modulation of TRAIL receptors is required for the combination effect of TRAIL and mdivi-1. We further demonstrated that the enhanced efficacy of combination of mdivi-1 and death ligands is not dependent on the originally reported target of mdivi-1, Drp1, and is also not dependent on the two important pro-apoptotic Bcl-2 family proteins Bax and Bak. Thus, our study presents a novel strategy in enhancing the apoptotic effect of death receptor ligands and provides a new effective TRAIL-based combination approach for treating human ovarian cancer.
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Affiliation(s)
- Jingnan Wang
- Tsinghua University School of Medicine, Tsinghua University, Haidian District, Beijing 100084, China
| | - Karyn Hansen
- Department of Obstetrics & Gynecology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Robert Edwards
- Department of Obstetrics & Gynecology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Bennett Van Houten
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh and Hillman Cancer Center, University of Pittsburgh Cancer Institute, Pittsburgh, PA 15213, USA.
| | - Wei Qian
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh and Hillman Cancer Center, University of Pittsburgh Cancer Institute, Pittsburgh, PA 15213, USA.
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17
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Aplysin sensitizes cancer cells to TRAIL by suppressing P38 MAPK/survivin pathway. Mar Drugs 2014; 12:5072-88. [PMID: 25257790 PMCID: PMC4178493 DOI: 10.3390/md12095072] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 04/14/2014] [Accepted: 04/15/2014] [Indexed: 01/18/2023] Open
Abstract
TNF-related apoptosis-inducing ligand (TRAIL) is a tumor-selective apoptosis inducer and has been shown to be promising for treating various types of cancers. However, the application of TRAIL is greatly impeded by the resistance of cancer cells to its action. Studies show that overexpression of some critical pro-survival proteins, such as survivin, is responsible for TRAIL resistance. In this study, we found that Aplysin, a brominated compound from marine organisms, was able to restore the sensitivity of cancer cells to TRAIL both in vitro and in vivo. Aplysin was found to enhance the tumor-suppressing capacity of TRAIL on several TRAIL-resistant cancer cell lines. TRAIL-induced apoptosis was also potentiated in A549 and MCF7 cells treated with Aplysin. Survivin downregulation was identified as a mechanism by which Aplysin-mediated TRAIL sensitization of cancer cells. Furthermore, the activation of p38 MAPK was revealed in Aplysin-treated cancer cells, and its inhibitor SB203580 was able to abrogate the promoting effect of Aplysin on the response of cancer cells to TRAIL action, as evidenced by restored survivin expression, elevated cell survival and reduced apoptotic rates. In conclusion, we provided evidence that Aplysin acts as a sensitizer for TRAIL and its effect on p38 MAPK/survivin pathway may partially account for this activity. Considering its low cytotoxicity to normal cells, Aplysin may be a promising agent for cancer treatment in combination with TRAIL.
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18
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Fayyaz S, Yaylim I, Turan S, Kanwal S, Farooqi AA. Hepatocellular carcinoma: targeting of oncogenic signaling networks in TRAIL resistant cancer cells. Mol Biol Rep 2014; 41:6909-17. [PMID: 25037270 DOI: 10.1007/s11033-014-3577-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 07/01/2014] [Indexed: 01/18/2023]
Abstract
Apoptotic response in hepatocellular carcinoma (HCC) cells is impaired because of interconnectivity of proteins into complexes and signaling networks that are highly divergent in time and space. TNF-related apoptosis-inducing ligand (TRAIL) has emerged as an attractive anticancer agent reported to selectively induce apoptosis in cancer cells. Although diametrically opposed roles of TRAIL are reported both as an inducer of apoptosis and regulator of metastasis, overwhelmingly accumulating experimental evidence highlighting apoptosis inducing activity of TRAIL is directing TRAIL into clinical trials. Insights from TRAIL mediated signaling in HCC research are catalyzing new lines of study that should not only explain molecular mechanisms of disease but also highlight emerging paradigms in restoration of TRAIL mediated apoptosis in resistant cancer cells. It is becoming progressively more understandable that phytochemicals derived from edible plants have shown potential in modelling their interactions with their target proteins. Rapidly accumulating in vitro and in-vivo evidence indicates that phytonutrients have anticancer activity in rodent models of hepatocellular carcinoma. In this review we bring to limelight how phytonutrients restore apoptosis in hepatocellular carcinoma cells by rebalancing pro-apoptotic and anti-apoptotic proteins. Evidence has started to emerge, that reveals how phytonutrients target pharmacologically intractable proteins to suppress cancer. Target-based small-molecule discovery has entered into the mainstream research in the pharmaceutical industry and a better comprehension of the genetics of patients will be essential for identification of responders and non-responders.
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Affiliation(s)
- Sundas Fayyaz
- Laboratory for Translational Oncology and Personalized Medicine, Rashid Latif Medical College, Lahore, Pakistan
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Saito T, Chiba T, Suzuki E, Shinozaki M, Goto N, Kanogawa N, Motoyama T, Ogasawara S, Ooka Y, Tawada A, Kanda T, Miyazaki M, Yokosuka O. Effect of previous interferon-based therapy on recurrence after curative treatment of hepatitis C virus-related hepatocellular carcinoma. Int J Med Sci 2014; 11:707-12. [PMID: 24843320 PMCID: PMC4025170 DOI: 10.7150/ijms.8764] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 04/21/2014] [Indexed: 02/06/2023] Open
Abstract
Previous reports have shown that interferon (IFN)-based therapy decreases the risk of development of hepatocellular carcinoma (HCC) in patients with chronic hepatitis C virus (HCV) infection. However, it remains to be fully elucidated whether elimination of HCV by IFN-based therapy inhibits HCC recurrence after curative treatment, such as surgical resection and local ablation therapies. In this study, we aimed to clarify the influence of a sustained virological response (SVR) after IFN-based therapy on recurrence and survival after curative treatment of HCC. Fifty-one patients who underwent curative treatment of HCV-related HCC after receiving IFN-based therapy were analyzed retrospectively. They were classified into SVR (N = 14) and non-SVR groups (N = 37). In the SVR group, serum levels of aspartate aminotransferase and alanine aminotransferase, the indocyanine green retention rate at 15 min, and the percentages of patients with liver cirrhosis and HCV serotype 1 were significantly lower, whereas serum albumin level and platelet count were significantly higher upon HCC occurrence. Recurrence-free survival (RFS) for the first recurrence was significantly higher in the SVR group (P < 0.01). Multivariate analysis showed that SVR at initial HCC treatment (P < 0.01) and multiple tumors (P < 0.01) are prognostic factors for RFS. Moreover, RFS for the second recurrence showed a similar trend to that for the first recurrence. In conclusion, patients who underwent IFN-based therapy before initial curative treatment of HCC had a favorable clinical outcome compared with non-SVR patients.
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Affiliation(s)
- Tomoko Saito
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Tetsuhiro Chiba
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Eiichiro Suzuki
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masami Shinozaki
- 2. Department of Medicine, Numazu City Hospital, Numazu, Shizuoka, Japan
| | - Nobuaki Goto
- 2. Department of Medicine, Numazu City Hospital, Numazu, Shizuoka, Japan
| | - Naoya Kanogawa
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Tenyu Motoyama
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Sadahisa Ogasawara
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yoshihiko Ooka
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Akinobu Tawada
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Tatsuo Kanda
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masaru Miyazaki
- 3. Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Osamu Yokosuka
- 1. Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
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Liu Y, Lou G, Wu W, Shi Y, Zheng M, Chen Z. Interferon-α sensitizes HBx-expressing hepatocarcinoma cells to chemotherapeutic drugs through inhibition of HBx-mediated NF-κB activation. Virol J 2013; 10:168. [PMID: 23718853 PMCID: PMC3680016 DOI: 10.1186/1743-422x-10-168] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2012] [Accepted: 04/11/2013] [Indexed: 01/15/2023] Open
Abstract
Background Hepatitis B virus (HBV)-associated hepatocellular carcinoma (HCC) is characterized by high chemotherapy resistance; however, the underlying mechanism has not been fully clarified. In addition, HBx protein has been reported to play a key role in virus-mediated hepatocarcinogenesis. Therefore, the present study aims to investigate the role of HBx in the drug-resistance of HBV-related HCC and examine whether such drug-resistance can be reversed by IFN-α treatment. Methods We established HBx-expressing cells by liposome-mediated transfection of HBx into the Huh7 cell line. MTT, Annexin V/PI, and cell cycle assay were used for determining the cellular growth inhibition, apoptosis, and growth arrest, respectively, after treatment with chemical drug. We further used tumor-bearing mice model to compare the tumor growth inhibition efficacy of ADM and 5-FU between the Huh7-HBx group and the control group, as well as the ADM + IFN-α or ADM + IMD treated group and the ADM treated group. SQ-Real time-PCR was performed to analyze the expression of MDR-associated genes and anti-apoptotic genes. Moreover, immunofluorescence and Western blotting were used to determine the subcellular localization of p65 and the phosphorylation of IκBα. Results The IC50 values of Huh7-HBx cells against ADM and Amn were 2.317 and 1.828-folds higher than those of Huh7-3.1 cells, respectively. The apoptosis ratio and growth arrest was significantly lower in Huh7-HBx cells after treatment with ADM. The in vivo experiment also confirmed that the Huh7-HBx group was much more resistant to ADM or 5-FU than the control. Furthermore, the expression of MDR-associated genes, such as MDR1, MRP1, LRP1, and ABCG2, were significantly up-regulated in Huh7-HBx cells, and the NF-κB pathway was activated after HBx gene transfection in Huh7 cells. However, combined with IFN-α in ADM treatment, the HBx induced drug-resistance in Huh7-HBx cells can be partly abolished in in vitro and in vivo models. Moreover, we found that the NF-κB canonical pathway was affected by IFN-α treatment, and the expression of anti-apoptotic genes, such as Gadd45β, Survivin, and c-IAP-1 was down-regulated by IFN-α treatment in a dose-dependent manner. Conclusions HBx protein can induce MDR of HBV-related HCC by activating the NF-κB pathway, which can be partly abolished by IFN-α treatment.
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Affiliation(s)
- Yanning Liu
- State Key Laboratory of Infectious Disease Diagnosis and Treatment, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
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Liu Y, Lou G, Wu W, Shi Y, Zheng M, Chen Z. Interferon-α sensitizes HBx-expressing hepatocarcinoma cells to chemotherapeutic drugs through inhibition of HBx-mediated NF-κB activation. Virol J 2013. [PMID: 23718853 DOI: 10.1186/1743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Hepatitis B virus (HBV)-associated hepatocellular carcinoma (HCC) is characterized by high chemotherapy resistance; however, the underlying mechanism has not been fully clarified. In addition, HBx protein has been reported to play a key role in virus-mediated hepatocarcinogenesis. Therefore, the present study aims to investigate the role of HBx in the drug-resistance of HBV-related HCC and examine whether such drug-resistance can be reversed by IFN-α treatment. METHODS We established HBx-expressing cells by liposome-mediated transfection of HBx into the Huh7 cell line. MTT, Annexin V/PI, and cell cycle assay were used for determining the cellular growth inhibition, apoptosis, and growth arrest, respectively, after treatment with chemical drug. We further used tumor-bearing mice model to compare the tumor growth inhibition efficacy of ADM and 5-FU between the Huh7-HBx group and the control group, as well as the ADM + IFN-α or ADM + IMD treated group and the ADM treated group. SQ-Real time-PCR was performed to analyze the expression of MDR-associated genes and anti-apoptotic genes. Moreover, immunofluorescence and Western blotting were used to determine the subcellular localization of p65 and the phosphorylation of IκBα. RESULTS The IC₅₀ values of Huh7-HBx cells against ADM and Amn were 2.317 and 1.828-folds higher than those of Huh7-3.1 cells, respectively. The apoptosis ratio and growth arrest was significantly lower in Huh7-HBx cells after treatment with ADM. The in vivo experiment also confirmed that the Huh7-HBx group was much more resistant to ADM or 5-FU than the control. Furthermore, the expression of MDR-associated genes, such as MDR1, MRP1, LRP1, and ABCG2, were significantly up-regulated in Huh7-HBx cells, and the NF-κB pathway was activated after HBx gene transfection in Huh7 cells. However, combined with IFN-α in ADM treatment, the HBx induced drug-resistance in Huh7-HBx cells can be partly abolished in in vitro and in vivo models. Moreover, we found that the NF-κB canonical pathway was affected by IFN-α treatment, and the expression of anti-apoptotic genes, such as Gadd45β, Survivin, and c-IAP-1 was down-regulated by IFN-α treatment in a dose-dependent manner. CONCLUSIONS HBx protein can induce MDR of HBV-related HCC by activating the NF-κB pathway, which can be partly abolished by IFN-α treatment.
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Affiliation(s)
- Yanning Liu
- State Key Laboratory of Infectious Disease Diagnosis and Treatment, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China
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Danthi P, Holm GH, Stehle T, Dermody TS. Reovirus receptors, cell entry, and proapoptotic signaling. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 790:42-71. [PMID: 23884585 DOI: 10.1007/978-1-4614-7651-1_3] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Mammalian orthoreoviruses (reoviruses) are members of the Reoviridae. Reoviruses contain 10 double-stranded (ds) RNA gene segments enclosed in two concentric protein shells, called outer capsid and core. These viruses serve as a versatile experimental system for studies of viral replication events at the virus-cell interface, including engagement of cell-surface receptors, internalization and disassembly, and activation of the innate immune response, including NF-κB-dependent cellular signaling pathways. Reoviruses also provide a model system for studies of virus-induced apoptosis and organ-specific disease in vivo.Reoviruses attach to host cells via the filamentous attachment protein, σ1. The σ1 protein of all reovirus serotypes engages junctional adhesion molecule-A (JAM-A), an integral component of intercellular tight junctions. The σ1 protein also binds to cell-surface carbohydrate, with the type of carbohydrate bound varying by serotype. Following attachment to JAM-A and carbohydrate, reovirus internalization is mediated by β1 integrins, most likely via clathrin-dependent endocytosis. In the endocytic compartment, reovirus outer-capsid protein σ3 is removed by acid-dependent cysteine proteases in most cell types. Removal of σ3 results in the exposure of a hydrophobic conformer of the viral membrane-penetration protein, μ1, which pierces the endosomal membrane and delivers transcriptionally active reovirus core particles into the cytoplasm.Reoviruses induce apoptosis in both cultured cells and infected mice. Perturbation of reovirus disassembly using inhibitors of endosomal acidification or protease activity abrogates apoptosis. The μ1-encoding M2 gene is genetically linked to strain-specific differences in apoptosis-inducing capacity, suggesting a function for μ1 in induction of death signaling. Reovirus disassembly leads to activation of transcription factor NF-κB, which modulates apoptotic signaling in numerous types of cells. Inhibition of NF-κB nuclear translocation using either pharmacologic agents or expression of transdominant forms of IκB blocks reovirus-induced apoptosis, suggesting an essential role for NF-κB activation in the death response. Multiple effector pathway s downstream of NF-κB-directed gene expression execute reovirus-induced cell death. This chapter will focus on the mechanisms by which reovirus attachment and disassembly activate NF-κB and stimulate the cellular proapoptotic machinery.
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Affiliation(s)
- Pranav Danthi
- Department of Biology, Indiana University, Bloomington, IN, USA
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Kim EY, Yu JS, Yang M, Kim AK. Sub-toxic dose of apigenin sensitizes HepG2 cells to TRAIL through ERK-dependent up-regulation of TRAIL receptor DR5. Mol Cells 2013; 35:32-40. [PMID: 23224239 PMCID: PMC3887848 DOI: 10.1007/s10059-013-2175-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Revised: 10/29/2012] [Accepted: 11/12/2012] [Indexed: 12/19/2022] Open
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is regarded as a promising candidate for anticancer therapy due to its selective toxicity to cancer cells. Nevertheless, because of TRAIL resistance in some cancer cells, combined treatment with sensitizing agents is required to enhance the anticancer potential of TRAIL. In this study, we investigated the underlying mechanism of apigenin-induced sensitization of HepG2 cells to TRAIL-induced cell death. Synergistic induction of apoptosis by combination was confirmed by examining the typical morphology changes of apoptosis, PARP-cleavage, and activation of effector caspases. Z-VAD-fmk, a pan-caspase inhibitor, inhibited the enhanced cell death by combined treatment of apigenin and TRAIL, demonstrating that a caspase-dependent pathway is involved in apigenin/TRAIL-mediated apoptosis. In addition, we found that apigenin/ TRAIL co-treatment up-regulates DR5 cell surface expression. The synergistic induction of cell death by the apigenin/ TRAIL combination was significantly attenuated by DR5 blocking chimera antibody. Next, using pharmacological inhibitors, we found that ERK activation is involved in the induction of DR5 expression. Inhibition of ERK1/2 by U0126 significantly decreased the apigenin/TRAIL-induced DR5 expression and apoptosis. Taken together, our results indicate that apigenin can enhance the apoptotic effect of TRAIL via ERK-induced up-regulation of DR5.
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Affiliation(s)
- Eun Young Kim
- College of Pharmacy, Sookmyung Women’s University, Seoul 140-742,
Korea
| | - Ji Sun Yu
- College of Pharmacy, Sookmyung Women’s University, Seoul 140-742,
Korea
| | - Mihi Yang
- College of Pharmacy, Sookmyung Women’s University, Seoul 140-742,
Korea
| | - An Keun Kim
- College of Pharmacy, Sookmyung Women’s University, Seoul 140-742,
Korea
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Hellwig CT, Rehm M. TRAIL signaling and synergy mechanisms used in TRAIL-based combination therapies. Mol Cancer Ther 2012; 11:3-13. [PMID: 22234808 DOI: 10.1158/1535-7163.mct-11-0434] [Citation(s) in RCA: 115] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
TRAIL and agonistic antibodies raised against TRAIL death receptors are highly promising new anticancer agents. In this brief review, we describe the recent advances in the molecular understanding of TRAIL signaling and the progress made in using TRAIL or agonistic antibodies clinically in mono- and combination therapies. Synergies have been reported in various scenarios of TRAIL-based multidrug treatments, and these can be used to potentiate the efficacy of therapies targeting TRAIL death receptors. We pay particular attention to structure the current knowledge on the diverse molecular mechanisms that are thought to give rise to these synergies and describe how different signaling features evoking synergies can be associated with distinct classes of drugs used in TRAIL-based combination treatments.
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Affiliation(s)
- Christian T Hellwig
- Rudolf Boehm Institute of Pharmacology and Toxicology, University of Leipzig, Leipzig, Germany
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A New Player in the Development of TRAIL Based Therapies for Hepatocarcinoma Treatment: ATM Kinase. Cancers (Basel) 2012; 4:354-78. [PMID: 24213315 PMCID: PMC3712690 DOI: 10.3390/cancers4020354] [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: 02/13/2012] [Revised: 03/15/2012] [Accepted: 03/26/2012] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. HCCs are genetically and phenotypically heterogeneous tumors characterized by very poor prognosis, mainly due to the lack, at present, of effective therapeutic options, as these tumors are rarely suitable for radiotherapy and often resistant to chemotherapy protocols. In the last years, agonists targeting the Tumor Necrosis Factor Related Apoptosis Inducing Ligand (TRAIL) death receptor, has been investigated as a valuable promise for cancer therapy, based on their selectivity for malignant cells and low toxicity for healthy cells. However, many cancer models display resistance to death receptor induced apoptosis, pointing to the requirement for the development of combined therapeutic approaches aimed to selectively sensitize cancer cells to TRAIL. Recently, we identified ATM kinase as a novel modulator of the ability of chemotherapeutic agents to enhance TRAIL sensitivity. Here, we review the biological determinants of HCC responsiveness to TRAIL and provide an exhaustive and updated analysis of the molecular mechanisms exploited for combined therapy in this context. The role of ATM kinase as potential novel predictive biomarker for combined therapeutic approaches based on TRAIL and chemotherapeutic drugs will be closely discussed.
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Kalb ML, Glaser A, Stary G, Koszik F, Stingl G. TRAIL+ Human Plasmacytoid Dendritic Cells Kill Tumor Cells In Vitro: Mechanisms of Imiquimod- and IFN-α–Mediated Antitumor Reactivity. THE JOURNAL OF IMMUNOLOGY 2012; 188:1583-91. [DOI: 10.4049/jimmunol.1102437] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Moon DO, Kang CH, Kang SH, Choi YH, Hyun JW, Chang WY, Kang HK, Koh YS, Maeng YH, Kim YR, Kim GY. Capsaicin sensitizes TRAIL-induced apoptosis through Sp1-mediated DR5 up-regulation: involvement of Ca(2+) influx. Toxicol Appl Pharmacol 2011; 259:87-95. [PMID: 22200406 DOI: 10.1016/j.taap.2011.12.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Revised: 12/08/2011] [Accepted: 12/09/2011] [Indexed: 12/16/2022]
Abstract
Although tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) induces apoptosis in various malignant cells, several cancers including human hepatocellular carcinoma (HCC) exhibit potent resistance to TRAIL-induced cell death. The aim of this study is to evaluate the anti-cancer potential of capsaicin in TRAIL-induced cancer cell death. As indicated by assays that measure phosphatidylserine exposure, mitochondrial activity and activation of caspases, capsaicin potentiated TRAIL-resistant cells to lead to cell death. In addition, we found that capsaicin induces the cell surface expression of TRAIL receptor DR5, but not DR4 through the activation Sp1 on its promoter region. Furthermore, we investigated that capsaicin-induced DR5 expression and apoptosis are inhibited by calcium chelator or inhibitors for calmodulin-dependent protein kinase. Taken together, our data suggest that capsaicin sensitizes TRAIL-mediated HCC cell apoptosis by DR5 up-regulation via calcium influx-dependent Sp1 activation.
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Affiliation(s)
- Dong-Oh Moon
- Department of Biology Education, Daegu University, Gyungsan, Gyeongbuk 712-714, Republic of Korea
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Amm HM, Oliver PG, Lee CH, Li Y, Buchsbaum DJ. Combined modality therapy with TRAIL or agonistic death receptor antibodies. Cancer Biol Ther 2011; 11:431-49. [PMID: 21263219 PMCID: PMC3087899 DOI: 10.4161/cbt.11.5.14671] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Revised: 12/21/2010] [Accepted: 12/29/2010] [Indexed: 12/20/2022] Open
Abstract
Molecularly targeted therapies, such as antibodies and small molecule inhibitors have emerged as an important breakthrough in the treatment of many human cancers. One targeted therapy under development is tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) due to its ability to induce apoptosis in a variety of human cancer cell lines and xenografts, while lacking toxicity in most normal cells. TRAIL and apoptosis-inducing agonistic antibodies to the TRAIL death receptors have been the subject of many preclinical and clinical studies in the past decade. However, the sensitivity of individual cancer cell lines of a particular tumor type to these agents varies from highly sensitive to resistant. Various chemotherapy agents have been shown to enhance the apoptosis-inducing capacity of TRAIL receptor-targeted therapies and induce sensitization of TRAIL-resistant cells. This review provides an overview of the mechanisms associated with chemotherapy enhancement of TRAIL receptor-targeted therapies including modulation of the apoptotic (death receptor expression, FLIP, and Bcl-2 or inhibitors of apoptosis (IAP) families) as well as cell signaling (NFκB, Akt, p53) pathways. These mechanisms will be important in establishing effective combinations to pursue clinically and in determining relevant targets for future cancer therapies.
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Affiliation(s)
- Hope M Amm
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, USA
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Reactive oxygen species is essential for cycloheximide to sensitize lexatumumab-induced apoptosis in hepatocellular carcinoma cells. PLoS One 2011; 6:e16966. [PMID: 21347335 PMCID: PMC3037406 DOI: 10.1371/journal.pone.0016966] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2010] [Accepted: 01/18/2011] [Indexed: 11/19/2022] Open
Abstract
This study aims to investigate apoptosis induced by lexatumumab (Lexa) in hepatocellular carcinoma (HCC) cells. We assessed the sensitivity of HCC cell lines and normal human hepatocytes to Lexa and explored the sensitization of HCC cells to Lexa-induced apoptosis by cycloheximide (CHX). Our data indicated that CHX sensitized HCC cell lines to Lexa-induced apoptosis, whereas treatment using solely CHX or Lexa was ineffective. The sequential treatment of CHX followed by Lexa dramatically induced caspase-dependent apoptosis in HCC cells and had synergistically increased intracellular rates of reactive oxygen species (ROS). Additionally, when ROS production was blocked by N-acetyl-L-cysteine (NAC), HCC cells were protected against Lexa and CHX combination treatment-induced apoptosis. ROS generation induced by combination treatment of Lexa and CHX triggered pro-apoptotic protein Bax oligomerization, conformation change, and translocation to mitochondria, which resulted in the release of cytochrome c and subsequent cell death. Furthermore, HSP90 was involved in mediating Lexa and CHX combination treatment-induced ROS increase and apoptotic death. More importantly, we observed that combination treatment of Lexa and CHX did not cause apoptotic toxicity in normal human primary hepatocytes. These results suggest that Lexa and CHX combination treatment merits investigation for the development of therapies for patients with HCC.
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30
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Zhao X, Cao M, Liu JJ, Zhu H, Nelson DR, Liu C. Reactive Oxygen Species Is Essential for Cycloheximide to Sensitize Lexatumumab-Induced Apoptosis in Hepatocellular Carcinoma Cells. PLoS One 2011; 6:e16966. [DOI: doi10.1371/journal.pone.0016966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
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Mamori S, Mamori H. Hepatitis C-related cirrhosis with sustained prevention of hepatocellular carcinoma recurrence by long-term administration of super-low-dose peginterferon-alpha 2b. Case Rep Gastroenterol 2011; 5:56-62. [PMID: 21537363 PMCID: PMC3082480 DOI: 10.1159/000323692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
A 78-year-old male who experienced multiple recurrences of hepatocellular carcinoma (HCC) with hepatitis C virus (HCV)-related cirrhosis underwent transcatheter arterial chemoembolization and ablation and survived for more than 10 years. His serum HCV RNA level was 2.8 log IU/ml and the serotype of HCV was 2. He underwent long-term super-low-dose (20 μg/week) pegylated interferon-alpha 2b therapy to prevent recurrence of HCC. He became negative for HCV RNA 2 months later, and thereafter remained negative after the discontinuation of interferon therapy, and has not experienced a recurrence of HCC for more than 20 months.
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TRAIL-induced apoptosis and expression of death receptor TRAIL-R1 and TRAIL-R2 in bladder cancer cells. Folia Histochem Cytobiol 2010; 47:579-85. [PMID: 20430723 DOI: 10.2478/v10042-009-0111-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL/Apo2L) is a member of TNF superfamily able to induce programmed death in cancer cells with no toxicity against normal tissues. TRAIL mediate apoptosis follows binding to the two death receptors, TRAIL-R1 (DR4) and/or TRAIL-R2 (DR5). In this study we investigated the cytotoxic and apoptotic effect of TRAIL on bladder cancer cells and the expression of death receptor TRAIL-R1 and TRAIL-R2 on the surface of these cancer cells. Three human bladder transitional cancer cell (TCC) lines - SW780, 647V and T24 were tested for TRAIL sensitivity. The bladder cancer cells were incubated with human soluble recombinant TRAIL. Cytotoxicity was measured by MTT (3-[4,5-dimethylthiazol-2-yl]-2,5-dimethyltetrazolium bromide) and LDH (lactate dyhydrogenase) assays. Apoptosis was detected by flow cytometry with annexin V-FITC/propidium iodide and by fluorescence microscopy with Hoechst 33342/annexin V-FITC/Ethidium Homodimer. The cell surface expression of TRAIL death receptors on bladder cancer were determined using flow cytometry with phycoerythrin-conjugated monoclonal anti-human TRAIL-R1 and TRAIL-R2. Our investigations confirmed that SW780 cells were sensitive to TRAIL, and two other bladder cancer cell lines, 647V and T24, were resistant to TRAIL induced apoptosis. We therefore examined the expression of TRAIL death receptors on bladder cancer cell surfaces. We showed decreased expression of TRAIL-R2 receptor in TRAIL-resistant bladder cancer cells and increased expression of this death receptor in TRAIL-sensitive SW780 cells. The expression of TRAILR1 receptor was similar in all bladder cancer cell lines. TRAIL is one of the promising candidates for cancer therapeutics. However, some cancer cells are resistant to TRAIL-mediated apoptosis. It is therefore important to overcome this resistance for the clinical use of TRAIL in cancer therapy. TRAIL death receptors are attractive therapeutic targets in cancer treatment. The cytotoxic agents capable of up-regulating the expression of TRAIL-R1 and TRAIL-R2 can sensitize cancer cells to TRAIL induced apoptosis.
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Abstract
The role of the NF-κB signaling pathway in liver cancer is complex. While some evidence suggests that in the liver, like in many other organ systems, NF-κB is oncogenic, there is strong evidence showing that in certain liver cancer models NF-κB suppresses tumorigenesis. These contrasting findings cannot be dismissed on technicalities and are likely due to the complex nature of the NF-κB response. Similar contrasting findings regarding NF-κB activity are revealed in skin cancer models. Thus, it is possible that the contradictory role of NF-κB in tumorigenesis is a general phenomenon and not an oddity related solely to the liver. Further studies are indicated to decipher the underlying molecular mechanisms. Revealing these mechanisms may facilitate the identification of patient subgroups and specific situations in which NF-κB inhibition will be a preferred therapeutic option. Moreover, it is possible that specific interventions could boost the tumor suppressor functions of NF-κB in tumors that harbor mutations that render this pathway constitutively active.
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Affiliation(s)
- Shlomi Finkin
- Department of Immunology and Cancer Research and Department of Pathology, IMRIC, Hebrew University Hadassah Medical School, Ein Kerem, 91120, Jerusalem, Israel
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Liu J, Uematsu H, Tsuchida N, Ikeda MA. Association of caspase-8 mutation with chemoresistance to cisplatin in HOC313 head and neck squamous cell carcinoma cells. Biochem Biophys Res Commun 2009; 390:989-94. [PMID: 19852930 DOI: 10.1016/j.bbrc.2009.10.090] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2009] [Accepted: 10/17/2009] [Indexed: 11/16/2022]
Abstract
Caspase-8 is a critical upstream mediator of apoptosis in the death receptor pathway. However, the relationship between caspase-8 mutation and chemosensitivity remain unclear in head and neck squamous cell carcinoma (HNSCC) carrying p53 mutation. In this study, we identified a caspase-8 nonsense mutation, accompanied by the loss of the second allele, in a drug-resistant HOC313 HNSCC cell line. The nonsense mutation (R68X) leads to truncation of all defined functional domains. Reconstitution of caspase-8 by stable transfection of wild-type caspase-8 sensitized the cells to cisplatin-, but not etoposide-induced apoptosis. Consistent with this, cisplatin, but not etoposide, induced TNF-alpha and TRAIL mRNA in caspase-8 reconstituted HOC313 cells, accompanied by activation of the reconstituted caspase-8 and its downstream caspase-3. These results indicate that the loss of caspase-8 plays an important role in acquisition of chemoresistance to cisplatin in HOC313 cells.
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Affiliation(s)
- Juan Liu
- Section of Molecular Embryology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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van der Most RG, Currie AJ, Cleaver AL, Salmons J, Nowak AK, Mahendran S, Larma I, Prosser A, Robinson BWS, Smyth MJ, Scalzo AA, Degli-Esposti MA, Lake RA. Cyclophosphamide chemotherapy sensitizes tumor cells to TRAIL-dependent CD8 T cell-mediated immune attack resulting in suppression of tumor growth. PLoS One 2009; 4:e6982. [PMID: 19746156 PMCID: PMC2734989 DOI: 10.1371/journal.pone.0006982] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2009] [Accepted: 08/19/2009] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Anti-cancer chemotherapy can be simultaneously lymphodepleting and immunostimulatory. Pre-clinical models clearly demonstrate that chemotherapy can synergize with immunotherapy, raising the question how the immune system can be mobilized to generate anti-tumor immune responses in the context of chemotherapy. METHODS AND FINDINGS We used a mouse model of malignant mesothelioma, AB1-HA, to investigate T cell-dependent tumor resolution after chemotherapy. Established AB1-HA tumors were cured by a single dose of cyclophosphamide in a CD8 T cell- and NK cell-dependent manner. This treatment was associated with an IFN-alpha/beta response and a profound negative impact on the anti-tumor and total CD8 T cell responses. Despite this negative effect, CD8 T cells were essential for curative responses. The important effector molecules used by the anti-tumor immune response included IFN-gamma and TRAIL. The importance of TRAIL was supported by experiments in nude mice where the lack of functional T cells could be compensated by agonistic anti-TRAIL-receptor (DR5) antibodies. CONCLUSION The data support a model in which chemotherapy sensitizes tumor cells for T cell-, and possibly NK cell-, mediated apoptosis. A key role of tumor cell sensitization to immune attack is supported by the role of TRAIL in tumor resolution and explains the paradox of successful CD8 T cell-dependent anti-tumor responses in the absence of CD8 T cell expansion.
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Affiliation(s)
- Robbert G. van der Most
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
- * E-mail: (RGvdM); (RAL)
| | - Andrew J. Currie
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Amanda L. Cleaver
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Joanne Salmons
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Anna K. Nowak
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Sathish Mahendran
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Irma Larma
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Amy Prosser
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
| | - Bruce W. S. Robinson
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
- School of Medicine and Pharmacology, University of Western Australia, Perth, Australia
| | - Mark J. Smyth
- Cancer Immunology Program, Sir Donald and Lady Trescowthick Laboratories, Peter MacCallum Cancer Centre, East Melbourne, Australia
| | - Anthony A. Scalzo
- Centre for Experimental Immunology, Lions Eye Institute, and Immunology and Virology Program, Centre for Ophthalmology and Visual Science, The University of Western Australia, Nedlands, Australia
| | - Mariapia A. Degli-Esposti
- Centre for Experimental Immunology, Lions Eye Institute, and Immunology and Virology Program, Centre for Ophthalmology and Visual Science, The University of Western Australia, Nedlands, Australia
| | - Richard A. Lake
- National Research Centre for Asbestos Related Diseases, University of Western Australia, Perth, Australia
- * E-mail: (RGvdM); (RAL)
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Ellett JD, Evans ZP, Atkinson C, Schmidt MG, Schnellmann RG, Chavin KD. Toll-like receptor 4 is a key mediator of murine steatotic liver warm ischemia/reperfusion injury. Liver Transpl 2009; 15:1101-9. [PMID: 19718644 PMCID: PMC2938042 DOI: 10.1002/lt.21782] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Steatotic donors are routinely rejected for transplantation because of their increased rate of primary nonfunction. These grafts are more sensitive to ischemia/reperfusion (I/R) during transplantation. Removal of endotoxin before reperfusion improves liver performance post-I/R. We hypothesize that the main modality of injury in steatotic livers is toll-like receptor 4 (TLR4) signaling. We fed 4-week-old control and TLR4-deficient (TLR4KO) mice a normal diet (ND) or a 60% high-fat diet (HFD) for 4 weeks to induce steatosis. Mice were subjected to total hepatic ischemia (35 minutes) and reperfusion (1 or 24 hours). Survival improved and liver pathology decreased at 24 hours in TLR4KO HFD animals compared to control HFD animals. An investigation of infiltrates showed that neutrophils and CD4+ cells were increased at 24 hours in control HFD animals, whereas TLR4KO HFD animals were similar to ND controls. Messenger RNA levels of interleukin 6 (IL-6), IL-12, and interferon gamma were elevated at 1 hour in control HFD animals, whereas TLR4KO HFD animals were similar to ND controls. IL-10 levels at 1 hour of reperfusion in control HFD and TLR4KO animals were decreased versus control ND animals. In conclusion, these improvements in liver function in TLR4KO HFD animals implicate TLR4 as a mediator of steatotic graft failure after I/R.
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Affiliation(s)
- Justin D. Ellett
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC
| | - Zachary P. Evans
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC
| | - Carl Atkinson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC
| | - Michael G. Schmidt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC
| | - Rick G. Schnellmann
- Department of Pharmaceutical and Biomedical Sciences, Medical University of South Carolina, Charleston, SC
| | - Kenneth D. Chavin
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC,Division of Transplantation, Department of Surgery, Medical University of South Carolina, Charleston, SC
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Genistein sensitizes human hepatocellular carcinoma cells to TRAIL-mediated apoptosis by enhancing Bid cleavage. Anticancer Drugs 2009; 20:713-22. [DOI: 10.1097/cad.0b013e32832e8998] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Musch E, Malek M, von Eick H, Chrissafidou A. Successful Long-term Application of Highly Purified Natural Interferon-alpha (Multiferon®) after Preceding Interferon Approaches in a Chronic Hepatitis C Patient with Thrombocytopenia. ACTA ACUST UNITED AC 2009; 36:395-9. [PMID: 15287392 DOI: 10.1080/00365540410019561] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Treatment approaches with recombinant IFN-alpha2b and natural IFN-beta in a patient with chronic hepatitis C (genotype 1b) and cirrhosis had, in both cases, to be terminated prematurely due to breakthrough phenomena and thrombo-leukocytopenia up to WHO grade 3. After the patient was switched to highly purified natural IFN-alpha (Multiferon) the thrombocyte and leukocyte counts increased significantly, and sustained complete biochemical and virological response could be achieved.
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Affiliation(s)
- Eugen Musch
- Department of General Internal Medicine, Marienhospital Bottrop gGmbH, Germany.
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Corazza N, Badmann A, Lauer C. Immune cell-mediated liver injury. Semin Immunopathol 2009; 31:267-77. [DOI: 10.1007/s00281-009-0168-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2009] [Accepted: 05/27/2009] [Indexed: 02/07/2023]
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Lee DH, Rhee JG, Lee YJ. Reactive oxygen species up-regulate p53 and Puma; a possible mechanism for apoptosis during combined treatment with TRAIL and wogonin. Br J Pharmacol 2009; 157:1189-202. [PMID: 19438509 DOI: 10.1111/j.1476-5381.2009.00245.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND AND PURPOSE Tumour necrosis factor-related apoptosis-inducing ligand (TRAIL) triggers apoptotic death in a variety of cancer cells without marked toxicity to most normal cells. We previously reported that wogonin, a potent anticancer agent from a Chinese herb, up-regulates p53 in prostate cancer cells. In this study, the effects of combinations of TRAIL and wogonin on a human prostate cancer cell line LNCaP, resistant to TRAIL, was evaluated for evidence of synergy in triggering apoptosis. EXPERIMENTAL APPROACH Western blot assay and the 'comet' assay were used to study the underlying mechanisms of cell death and search for any mechanisms of enhancement of TRAIL-induced apoptosis in the presence of wogonin. KEY RESULTS During combined treatment with wogonin and TRAIL, cytotoxicity, poly(ADP-ribose) polymerase cleavage and caspase activation were associated with up-regulation of p53 through DNA damage and reactive oxygen species (ROS) generation. N-acetylcysteine (NAC), an antioxidant, inhibited ROS generation and synergistic interaction between TRAIL and wogonin. Experimental results in human colon cancer HCT116 cells demonstrated that p53-dependent Puma up-regulation played an important role; deficiency in either p53 or Puma prevented wogonin-enhanced TRAIL-induced apoptosis. CONCLUSIONS AND IMPLICATIONS The present studies suggest that wogonin enhances TRAIL-induced cytotoxicity through up-regulation of p53 and Puma, mediated by ROS.
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Affiliation(s)
- Dae-Hee Lee
- Department of Surgery and Pharmacology, School of Medicine, University of Pittsburgh, Hillman Cancer Center, 5117 Centre Avenue, Pittsburgh, PA 15213, USA
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Wang C, Qi R, Li N, Wang Z, An H, Zhang Q, Yu Y, Cao X. Notch1 signaling sensitizes tumor necrosis factor-related apoptosis-inducing ligand-induced apoptosis in human hepatocellular carcinoma cells by inhibiting Akt/Hdm2-mediated p53 degradation and up-regulating p53-dependent DR5 expression. J Biol Chem 2009; 284:16183-16190. [PMID: 19376776 DOI: 10.1074/jbc.m109.002105] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Notch signaling plays a critical role in regulating cell proliferation, differentiation, and apoptosis. Our previous study showed that overexpression of Notch1 could inhibit human hepatocellular carcinoma (HCC) cell growth by arresting the cell cycle and inducing apoptosis. HCC cells are resistant to apoptotic induction by tumor necrosis factor-related apoptosis-inducing ligand (TRAIL), so new therapeutic approaches have been explored to sensitize HCC cells to TRAIL-induced apoptosis. We are wondering whether and how Notch1 signaling can enhance the sensitivity of HCC cells to TRAIL-induced apoptosis. In this study, we found that overexpression of ICN, the constitutive activated form of Notch1, up-regulated p53 protein expression in HCC cells by inhibiting proteasome degradation. p53 up-regulation was further observed in human primary hepatocellular carcinoma cells after activation of Notch signaling. Inhibition of the Akt/Hdm2 pathway by Notch1 signaling was responsible for the suppression of p53 proteasomal degradation, thus contributing to the Notch1 signaling-mediated up-regulation of p53 expression. Accordingly, Notch1 signaling could make HCC cells more sensitive to TRAIL-induced apoptosis, whereas Notch1 signaling lost the synergistic promotion of TRAIL-induced apoptosis in p53-silenced HepG2 HCC cells and p53-defective Hep3B HCC cells. The data suggest that enhancement of TRAIL-induced apoptosis by Notch1 signaling is dependent upon p53 up-regulation. Furthermore, Notch1 signaling could enhance DR5 expression in a p53-dependent manner. Taken together, Notch1 signaling sensitizes TRAIL-induced apoptosis in HCC cells by inhibiting Akt/Hdm2-mediated p53 degradation and up-regulating p53-dependent DR5 expression. Thus, our results suggest that activation of Notch1 signaling may be a promising approach to improve the therapeutic efficacy of TRAIL-resistant HCC.
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Affiliation(s)
- Chunmei Wang
- From the National Key Laboratory of Medical Immunology and Institute of Immunology, Second Military Medical University, Shanghai 200433, China
| | - Runzi Qi
- From the National Key Laboratory of Medical Immunology and Institute of Immunology, Second Military Medical University, Shanghai 200433, China
| | - Nan Li
- From the National Key Laboratory of Medical Immunology and Institute of Immunology, Second Military Medical University, Shanghai 200433, China
| | - Zhengxin Wang
- Department of Surgery, Changzheng Hospital, Shanghai 200003, China
| | - Huazhang An
- Department of Surgery, Changzheng Hospital, Shanghai 200003, China
| | - Qinghua Zhang
- Department of Surgery, Changzheng Hospital, Shanghai 200003, China
| | - Yizhi Yu
- Department of Surgery, Changzheng Hospital, Shanghai 200003, China.
| | - Xuetao Cao
- From the National Key Laboratory of Medical Immunology and Institute of Immunology, Second Military Medical University, Shanghai 200433, China.
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HCV induces oxidative and ER stress, and sensitizes infected cells to apoptosis in SCID/Alb-uPA mice. PLoS Pathog 2009; 5:e1000291. [PMID: 19242562 PMCID: PMC2647842 DOI: 10.1371/journal.ppat.1000291] [Citation(s) in RCA: 126] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Accepted: 01/08/2009] [Indexed: 12/16/2022] Open
Abstract
Hepatitis C virus (HCV) is a blood-borne pathogen and a major cause of liver disease worldwide. Gene expression profiling was used to characterize the transcriptional response to HCV H77c infection. Evidence is presented for activation of innate antiviral signaling pathways as well as induction of lipid metabolism genes, which may contribute to oxidative stress. We also found that infection of chimeric SCID/Alb-uPA mice by HCV led to signs of hepatocyte damage and apoptosis, which in patients plays a role in activation of stellate cells, recruitment of macrophages, and the subsequent development of fibrosis. Infection of chimeric mice with HCV H77c also led an inflammatory response characterized by infiltration of monocytes and macrophages. There was increased apoptosis in HCV-infected human hepatocytes in H77c-infected mice but not in mice inoculated with a replication incompetent H77c mutant. Moreover, TUNEL reactivity was restricted to HCV-infected hepatocytes, but an increase in FAS expression was not. To gain insight into the factors contributing specific apoptosis of HCV infected cells, immunohistological and confocal microscopy using antibodies for key apoptotic mediators was done. We found that the ER chaperone BiP/GRP78 was increased in HCV-infected cells as was activated BAX, but the activator of ER stress-mediated apoptosis CHOP was not. We found that overall levels of NF-kappaB and BCL-xL were increased by infection; however, within an infected liver, comparison of infected cells to uninfected cells indicated both NF-kappaB and BCL-xL were decreased in HCV-infected cells. We conclude that HCV contributes to hepatocyte damage and apoptosis by inducing stress and pro-apoptotic BAX while preventing the induction of anti-apoptotic NF-kappaB and BCL-xL, thus sensitizing hepatocytes to apoptosis.
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Huerta-Yepez S, Vega M, Escoto-Chavez SE, Murdock B, Sakai T, Baritaki S, Bonavida B. Nitric oxide sensitizes tumor cells to TRAIL-induced apoptosis via inhibition of the DR5 transcription repressor Yin Yang 1. Nitric Oxide 2009; 20:39-52. [DOI: 10.1016/j.niox.2008.08.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2008] [Revised: 08/07/2008] [Accepted: 08/08/2008] [Indexed: 11/26/2022]
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Albeck JG, Burke JM, Spencer SL, Lauffenburger DA, Sorger PK. Modeling a snap-action, variable-delay switch controlling extrinsic cell death. PLoS Biol 2008; 6:2831-52. [PMID: 19053173 PMCID: PMC2592357 DOI: 10.1371/journal.pbio.0060299] [Citation(s) in RCA: 224] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2007] [Accepted: 10/20/2008] [Indexed: 01/02/2023] Open
Abstract
When exposed to tumor necrosis factor (TNF) or TNF-related apoptosis-inducing ligand (TRAIL), a closely related death ligand and investigational therapeutic, cells enter a protracted period of variable duration in which only upstream initiator caspases are active. A subsequent and sudden transition marks activation of the downstream effector caspases that rapidly dismantle the cell. Thus, extrinsic apoptosis is controlled by an unusual variable-delay, snap-action switch that enforces an unambiguous choice between life and death. To understand how the extrinsic apoptosis switch functions in quantitative terms, we constructed a mathematical model based on a mass-action representation of known reaction pathways. The model was trained against experimental data obtained by live-cell imaging, flow cytometry, and immunoblotting of cells perturbed by protein depletion and overexpression. The trained model accurately reproduces the behavior of normal and perturbed cells exposed to TRAIL, making it possible to study switching mechanisms in detail. Model analysis shows, and experiments confirm, that the duration of the delay prior to effector caspase activation is determined by initiator caspase-8 activity and the rates of other reactions lying immediately downstream of the TRAIL receptor. Sudden activation of effector caspases is achieved downstream by reactions involved in permeabilization of the mitochondrial membrane and relocalization of proteins such as Smac. We find that the pattern of interactions among Bcl-2 family members, the partitioning of Smac from its binding partner XIAP, and the mechanics of pore assembly are all critical for snap-action control.
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Affiliation(s)
- John G Albeck
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, United States of America
| | - John M Burke
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, United States of America
- Biological Engineering Department, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
| | - Sabrina L Spencer
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, United States of America
- Computational and Systems Biology Initiative, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
| | - Douglas A Lauffenburger
- Biological Engineering Department, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
- Computational and Systems Biology Initiative, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
| | - Peter K Sorger
- Department of Systems Biology, Harvard Medical School, Boston, Massachusetts, United States of America
- Biological Engineering Department, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
- * To whom correspondence should be addressed. E-mail:
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Ishibashi M, Ohtsuki T. Studies on search for bioactive natural products targeting TRAIL signaling leading to tumor cell apoptosis. Med Res Rev 2008; 28:688-714. [PMID: 18273883 DOI: 10.1002/med.20123] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) induces apoptosis in many transformed cells but not in normal cells and, hence, has been expected as a new anticancer strategy. During our studies on search for bioactive natural products from various natural resources such as plants and microorganisms, we recently identified several natural products which exhibited activities related to TRAIL signaling. Dimeric sesquiterpenoids isolated from Zingiberaceous plant, Curcuma parviflora, showed enhancement activity of gene expression of TRAIL-receptor and TRAIL-receptor protein level. Several new isoflavone natural products, named brandisianins, were isolated from Leguminosaeous plant, Millettia brandisiana, by our screening study targeting TRAIL-receptor expression enhancement activity. A dihydroflavonol (BB1) that was extracted from Compositaeous plant, Blumea balsamifera, and fuligocandin B, a new anthranilylproline-indole alkaloid isolated from myxomycete were found to exhibit reversal effect of TRAIL resistance activity.
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Affiliation(s)
- Masami Ishibashi
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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Yang JQ, Pan GD, Chu GP, Liu Z, Liu Q, Xiao Y, Yuan L. Interferon-alpha restrains growth and invasive potential of hepatocellular carcinoma induced by hepatitis B virus X protein. World J Gastroenterol 2008; 14:5564-9; discussion 5568. [PMID: 18810776 PMCID: PMC2746345 DOI: 10.3748/wjg.14.5564] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effects of interferon-alpha (IFN-α) to restrain the growth and invasive potential of hepatocellular carcinoma (HCC) induced by hepatitis B virus (HBV) X protein.
METHODS: The pcDNA3.1-HBx plasmid was transfected into Chang cells by Lipofectamine in vitro, and Chang/HBx was co-cultured with IFN-α. Cell survival growth curve and clonogenicity assay were used to test the growth potential of Chang/pcDNA3.1, Chang/HBx and IFN-α-Chang/HBx in vitro. Growth assay in nude mice was used to detect the growth potential of Chang/pcDNA3.1, Chang/HBx and IFN-α-Chang/HBx in vivo. Wound healing and transwell migration assays were used to detect the invasive ability of Chang/pcDNA3.1, Chang/HBx and IFN-α-Chang/HBx.
RESULTS: Compared with CCL13 cells transfected with pcDNA3.1, CCL13 with stable expression of hepatitis B virus X protein showed the characteristics of malignant cells with high capability of growth and invasion by detecting their growth curves, colony forming efficiency, wound healing , transwell migration assays and growth assays in nude mice. Its capability of growth and invasion could be controlled by IFN-α.
CONCLUSION: IFN-α can restrain the growth and invasive potential of HCC cells induced by HBx protein, which has provided an experimental basis for IFN-α therapy of HCC.
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Dzieran J, Beck JF, Sonnemann J. Differential responsiveness of human hepatoma cells versus normal hepatocytes to TRAIL in combination with either histone deacetylase inhibitors or conventional cytostatics. Cancer Sci 2008; 99:1685-92. [PMID: 18754884 PMCID: PMC11158644 DOI: 10.1111/j.1349-7006.2008.00868.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a promising candidate for the treatment of cancer because it elicits cell death in many tumor cells while sparing most normal cells. Liver cancer, however, is largely resistant to TRAIL and, thus, requires sensitization for TRAIL-mediated cytotoxicity. Sensitization may be achieved by cotreatment with chemotherapeutic agents. In this study, we comparatively investigated the treatment efficacy of TRAIL in combination with histone deacetylase inhibitors (HDI) versus TRAIL in combination with conventional cytostatics in the hepatocellular carcinoma cell line HepG2 and in the childhood hepatoblastoma cell line Huh6. We found that TRAIL resistance could be overcome by cotreatment with the HDI vorinostat, sodium butyrate and MS-275, but not by cotreatment with the cytostatics carboplatin and etoposide. However, TRAIL combination treatment bears the risk of sensitizing otherwise TRAIL-resistant normal cells. We thus explored a potential cytotoxic effect of combined HDI/TRAIL treatment in normal hepatocytes: TRAIL in conjunction with HDI did not impose any cytotoxicity on the non-malignant cells. In searching for the determinants of HDI-mediated TRAIL sensitization in hepatoma cells, we observed that HDI treatment did not increase cell-surface expression of proapoptotic TRAIL receptors. Instead, HDI treatment enhanced TRAIL-induced cleavage of Bid. In conclusion, our data suggest that HDI are potent sensitizers to TRAIL in hepatoma cells and that the combination of HDI and TRAIL is selectively active in hepatoma cells without affecting normal hepatocytes, indicating that the combination of HDI and TRAIL may be an effective approach for the treatment of advanced liver cancer.
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Affiliation(s)
- Johanna Dzieran
- Research Center of Pharmacology and Experimental Therapeutics, Ernst Moritz Arndt University, Greifswald, Germany
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48
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Wang WZ, Cheng J, Luo J, Zhuang SM. Abrogation of G2/M arrest sensitizes curcumin-resistant hepatoma cells to apoptosis. FEBS Lett 2008; 582:2689-95. [PMID: 18602917 DOI: 10.1016/j.febslet.2008.06.048] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2008] [Revised: 06/14/2008] [Accepted: 06/26/2008] [Indexed: 11/27/2022]
Abstract
In this study, we showed that curcumin treatment resulted in activation of Chk1-mediated G2 checkpoint, which was associated with the induction of G2/M arrest and the resistance of cancer cells to curcumin-induced apoptosis. Further investigation revealed that inhibition of Chk1 significantly abrogated G2/M arrest and sensitized curcumin-resistant cells to apoptosis via upregulation of Bad and in turn the loss of mitochondrial membrane potential. These results indicate that Chk1-mediated G2/M arrest may serve as a mechanism for curcumin resistance and Chk1 represents a potential target for the reversal of this resistance. Our findings should be helpful for clinical application of curcumin.
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Affiliation(s)
- Wei-Zhang Wang
- Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, Sun Yat-Sen University, Xin Gang Xi Road 135, Guangzhou 510275, PR China
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Zhu G, Wu CJ, Zhao Y, Ashwell JD. Optineurin negatively regulates TNFalpha- induced NF-kappaB activation by competing with NEMO for ubiquitinated RIP. Curr Biol 2007; 17:1438-43. [PMID: 17702576 DOI: 10.1016/j.cub.2007.07.041] [Citation(s) in RCA: 216] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2007] [Revised: 07/03/2007] [Accepted: 07/19/2007] [Indexed: 11/24/2022]
Abstract
NF-kappaB essential modulator (NEMO), the regulatory subunit of the IkappaB kinase (IKK) that activates NF-kappaB, is essential for NF-kappaB activation. NEMO was recently found to contain a region that preferentially binds Lys (K)63-linked but not K48-linked polyubiquitin (polyUb) chains, and the ability of NEMO to bind to K63-linked polyUb RIP (receptor-interacting protein) is necessary for efficient tumor necrosis factor alpha (TNFalpha)-induced NF-kappaB activation. Optineurin is a homolog of NEMO, and mutations in the optineurin gene are found in a subset of patients with glaucoma, a neurodegenerative disease involving the loss of retinal ganglion cells. Although optineurin shares considerable homology with NEMO, in resting cells, it is not present in the high-molecular-weight complex containing IKKalpha and IKKbeta, and optineurin cannot substitute for NEMO in lipopolysaccharide (LPS)-induced NF-kappaB activation. On the other hand, the overexpression of optineurin blocks the protective effect of E3-14.7K on cell death caused by the overexpression of TNFalpha receptor 1 (TNFR1). Here we show that optineurin has a K63-linked polyUb-binding region similar to that of NEMO, and like NEMO, it bound K63- but not K48-linked polyUb. Optineurin competitively antagonized NEMO's binding to polyUb RIP, and its overexpression inhibited TNFalpha-induced NF-kappaB activation. This competition occurs at physiologic protein levels because microRNA silencing of optineurin resulted in markedly enhanced TNFalpha-induced NF-kappaB activity. These results reveal a physiologic role for optineurin in dampening TNFalpha signaling, and this role might provide an explanation for its association with glaucoma.
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Affiliation(s)
- Guozhi Zhu
- Laboratory of Immune Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
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Eberle J, Kurbanov BM, Hossini AM, Trefzer U, Fecker LF. Overcoming apoptosis deficiency of melanoma-hope for new therapeutic approaches. Drug Resist Updat 2007; 10:218-34. [PMID: 18054518 DOI: 10.1016/j.drup.2007.09.001] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2007] [Revised: 09/02/2007] [Accepted: 09/07/2007] [Indexed: 11/16/2022]
Abstract
The increased incidence of malignant melanoma in the last decades, its high mortality and pronounced therapy resistance pose an enormous challenge. Important therapeutic targets for melanoma are the induction of apoptosis and suppression of survival pathways. Preclinical studies have demonstrated the efficacy of pro-apoptotic Bcl-2 proteins and of death receptor ligands to trigger apoptosis in melanoma cells. In the clinical setting, BH3 domain mimics and death receptor agonists are therefore considered as promising, specific novel treatments to add to the conventional pro-apoptotic strategies such as chemo- or radiotherapy. However, constitutively activated survival pathways, in particular the mitogen-activated protein kinases, protein kinase B/Akt and nuclear factor (NF)-kappaB, all may work in concert to prevent effective therapy. Thus, selective biologicals developed with the aim to inhibit pro-survival signaling are currently tested in melanoma. For highly therapy-resistant tumors such as melanoma, development of novel drug combinations will be essential, and combinations of survival inhibitors and pro-apoptotic mediators appear most promising. The challenge of the near future will be to make a rational choice of the multiple possible combinations and protocols. This review gives a critical overview of proteins involved in melanoma chemoresistance, which are targets for current drug development leading to the best choice for future trials.
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Affiliation(s)
- Jürgen Eberle
- Charité-Universitätsmedizin Berlin, Department of Dermatology and Allergy, Skin Cancer Center Charité, Charité Campus Mitte, Charitéplatz 1, 10117 Berlin, Germany.
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