1
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Rallabandi R, Sharp B, Majerus S, Royster A, Hoffer S, Ikeda M, Devaux P. Engineering single-cycle MeV vector for CRISPR-Cas9 gene editing. Mol Ther Methods Clin Dev 2024; 32:101290. [PMID: 39070290 PMCID: PMC11283025 DOI: 10.1016/j.omtm.2024.101290] [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: 12/28/2023] [Accepted: 06/21/2024] [Indexed: 07/30/2024]
Abstract
CRISPR-Cas9-mediated gene editing has vast applications in basic and clinical research and is a promising tool for several disorders. Our lab previously developed a non-integrating RNA virus, measles virus (MeV), as a single-cycle reprogramming vector by replacing the viral attachment protein with the reprogramming factors for induced pluripotent stem cell generation. Encouraged by the MeV reprogramming vector efficiency, in this study, we develop a single-cycle MeV vector to deliver the gRNA(s) and Cas9 nuclease to human cells for efficient gene editing. We show that the MeV vector achieved on-target gene editing of the reporter (mCherry) and endogenous genes (HBB and FANCD1) in human cells. Additionally, the MeV vector achieved precise knock-in via homology-directed repair using a single-stranded oligonucleotide donor. The MeV vector is a new and flexible platform for gene knock-out and knock-in modifications in human cells, capable of incorporating new technologies as they are developed.
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Affiliation(s)
- Ramya Rallabandi
- Mayo Clinic Graduate School of Biomedical Sciences, Virology and Gene Therapy Graduate Track, Mayo Clinic, Rochester, MN 55905, USA
| | - Brenna Sharp
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Spencer Majerus
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Austin Royster
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Sarrianna Hoffer
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Mia Ikeda
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Patricia Devaux
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
- Mayo Clinic Graduate School of Biomedical Sciences, Virology and Gene Therapy Graduate Track, Mayo Clinic, Rochester, MN 55905, USA
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2
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Stergiopoulos GM, Iankov I, Galanis E. Personalizing Oncolytic Immunovirotherapy Approaches. Mol Diagn Ther 2024; 28:153-168. [PMID: 38150172 DOI: 10.1007/s40291-023-00689-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/03/2023] [Indexed: 12/28/2023]
Abstract
Development of successful cancer therapeutics requires exploration of the differences in genetics, metabolism, and interactions with the immune system among malignant and normal cells. The clinical observation of spontaneous tumor regression following natural infection with microorganism has created the premise of their use as cancer therapeutics. Oncolytic viruses (OVs) originate from viruses with attenuated virulence in humans, well-characterized vaccine strains of known human pathogens, or engineered replication-deficient viral vectors. Their selectivity is based on receptor expression level and post entry restriction factors that favor replication in the tumor, while keeping the normal cells unharmed. Clinical trials have demonstrated a wide range of patient responses to virotherapy, with subgroups of patients significantly benefiting from OV administration. Tumor-specific gene signatures, including antiviral interferon-stimulated gene (ISG) expression profile, have demonstrated a strong correlation with tumor permissiveness to infection. Furthermore, the combination of OVs with immunotherapeutics, including anticancer vaccines and immune checkpoint inhibitors [ICIs, such as anti-PD-1/PD-L1 or anti-CTLA-4 and chimeric antigen receptor (CAR)-T or CAR-NK cells], could synergistically improve the therapeutic outcome. Creating response prediction algorithms represents an important step for the transition to individualized immunovirotherapy approaches in the clinic. Integrative predictors could include tumor mutational burden (TMB), inflammatory gene signature, phenotype of tumor-infiltrating lymphocytes, tumor microenvironment (TME), and immune checkpoint receptor expression on both immune and target cells. Additionally, the gut microbiota has recently been recognized as a systemic immunomodulatory factor and could further be used in the optimization of individualized immunovirotherapy algorithms.
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Affiliation(s)
| | - Ianko Iankov
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA.
| | - Evanthia Galanis
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA.
- Department of Oncology, Mayo Clinic, Rochester, MN, USA.
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3
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Fang C, Xiao G, Wang T, Song L, Peng B, Xu B, Zhang K. Emerging Nano-/Biotechnology Drives Oncolytic Virus-Activated and Combined Cancer Immunotherapy. RESEARCH 2023; 6:0108. [PMID: 37040283 PMCID: PMC10079287 DOI: 10.34133/research.0108] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 03/15/2023] [Indexed: 04/05/2023]
Abstract
Oncolytic viruses (OVs) as one promising antitumor methods have made important contributions to tumor immunotherapy, which arouse increasing attention. They provide the dual mechanisms including direct killing effect toward tumor cells and immune activation for elevating antitumor responses, which have been proved in many preclinical studies. Especially, natural or genetically modified viruses as clinical immune preparations have emerged as a new promising approach objective to oncology treatment. The approval of talimogene laherparepvec (T-VEC) by the U.S. Food and Drug Administration (FDA) for the therapy of advanced melanoma could be considered as a milestone achievement in the clinical translation of OV. In this review, we first discussed the antitumor mechanisms of OVs with an emphasis on targeting, replication, and propagation. We further outlined the state of the art of current OVs in tumor and underlined the activated biological effects especially including immunity. More significantly, the enhanced immune responses based on OVs were systematically discussed from different perspectives such as combination with immunotherapy, genetic engineering of OVs, integration with nanobiotechnology or nanoparticles, and antiviral response counteraction, where their principles were shed light on. The development of OVs in the clinics was also highlighted to analyze the actuality and concerns of different OV applications in clinical trials. At last, the future perspectives and challenges of OVs as an already widely accepted treatment means were discussed. This review will provide a systematic review and deep insight into OV development and also offer new opportunities and guidance pathways to drive the further clinical translation.
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Affiliation(s)
- Chao Fang
- Central Laboratory and Department of Urology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine,
Tongji University, No. 301 Yan-chang-zhong Road, Shanghai 200072, China
| | - Gaozhe Xiao
- National Center for International Research of Bio-targeting Theranostics,
Guangxi Medical University, No. 22 Shuangyong Road 22, Nanning, Guangxi 530021, China
| | - Taixia Wang
- Central Laboratory and Department of Urology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine,
Tongji University, No. 301 Yan-chang-zhong Road, Shanghai 200072, China
| | - Li Song
- Central Laboratory and Department of Urology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine,
Tongji University, No. 301 Yan-chang-zhong Road, Shanghai 200072, China
| | - Bo Peng
- Central Laboratory and Department of Urology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine,
Tongji University, No. 301 Yan-chang-zhong Road, Shanghai 200072, China
| | - Bin Xu
- Department of Urology, Shanghai Ninth People’s Hospital,
Shanghai Jiaotong University School of Medicine, No. 639 Zhizaoju Road, Huangpu, Shanghai 200011, China
| | - Kun Zhang
- Central Laboratory and Department of Urology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine,
Tongji University, No. 301 Yan-chang-zhong Road, Shanghai 200072, China
- National Center for International Research of Bio-targeting Theranostics,
Guangxi Medical University, No. 22 Shuangyong Road 22, Nanning, Guangxi 530021, China
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4
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Wu Y, Li J, Shin HJ. Self-assembled Viral Nanoparticles as Targeted Anticancer Vehicles. BIOTECHNOL BIOPROC E 2021; 26:25-38. [PMID: 33584104 PMCID: PMC7872722 DOI: 10.1007/s12257-020-0383-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 12/31/2022]
Abstract
Viral nanoparticles (VNPs) comprise a variety of mammalian viruses, plant viruses, and bacteriophages, that have been adopted as building blocks and supra-molecular templates in nanotechnology. VNPs demonstrate the dynamic, monodisperse, polyvalent, and symmetrical architectures which represent examples of such biological templates. These programmable scaffolds have been exploited for genetic and chemical manipulation for displaying of targeted moieties together with encapsulation of various payloads for diagnosis or therapeutic intervention. The drug delivery system based on VNPs offer diverse advantages over synthetic nanoparticles, including biocompatibility, biodegradability, water solubility, and high uptake capability. Here we summarize the recent progress of VNPs especially as targeted anticancer vehicles from the encapsulation and surface modification mechanisms, involved viruses and VNPs, to their application potentials.
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Affiliation(s)
- Yuanzheng Wu
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103 China
| | - Jishun Li
- Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong Provincial Key Laboratory of Applied Microbiology, Jinan, 250103 China
| | - Hyun-Jae Shin
- Department of Biochemical and Polymer Engineering, Chosun University, Gwangju, 61452 Korea
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5
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Measles Virus as an Oncolytic Immunotherapy. Cancers (Basel) 2021; 13:cancers13030544. [PMID: 33535479 PMCID: PMC7867054 DOI: 10.3390/cancers13030544] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/19/2021] [Accepted: 01/26/2021] [Indexed: 12/11/2022] Open
Abstract
Measles virus (MeV) preferentially replicates in malignant cells, leading to tumor lysis and priming of antitumor immunity. Live attenuated MeV vaccine strains are therefore under investigation as cancer therapeutics. The versatile MeV reverse genetics systems allows for engineering of advanced targeted, armed, and shielded oncolytic viral vectors. Therapeutic efficacy can further be enhanced by combination treatments. An emerging focus in this regard is combination immunotherapy, especially with immune checkpoint blockade. Despite challenges arising from antiviral immunity, availability of preclinical models, and GMP production, early clinical trials have demonstrated safety of oncolytic MeV and yielded promising efficacy data. Future clinical trials with engineered viruses, rational combination regimens, and comprehensive translational research programs will realize the potential of oncolytic immunotherapy.
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6
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Iankov ID, Kurokawa C, Viker K, Robinson SI, Ammayappan A, Panagioti E, Federspiel MJ, Galanis E. Live Attenuated Measles Virus Vaccine Expressing Helicobacter pylori Heat Shock Protein A. MOLECULAR THERAPY-ONCOLYTICS 2020; 19:136-148. [PMID: 33145397 PMCID: PMC7585873 DOI: 10.1016/j.omto.2020.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 09/17/2020] [Indexed: 12/31/2022]
Abstract
Measles virus (MV) Edmonston derivative strains are attractive vector platforms in vaccine development and oncolytic virotherapy. Helicobacter pylori heat shock protein A (HspA) is a bacterial heat shock chaperone with essential function as a Ni-ion scavenging protein. We generated and characterized the immunogenicity of an attenuated MV strain encoding the HspA transgene (MV-HspA). MV-HspA showed faster replication within 48 h of infection with >10-fold higher titers and faster accumulation of the MV proteins. It also demonstrated a superior tumor-killing effect in vitro against a variety of human solid tumor cell lines, including sarcoma, ovarian and breast cancer. Two intraperitoneal (i.p.) doses of 106 50% tissue culture infectious dose (TCID50) MV-HspA significantly improved survival in an ovarian cancer xenograft model: 63.5 days versus 27 days for the control group. The HspA transgene induced a humoral immune response in measles-permissive Ifnarko-CD46Ge transgenic mice. Eight of nine animals developed a long-term anti-HspA antibody response with titers of 1:400 to 1:12,800 without any negative impact on development of protective anti-MV immune memory. MV-HspA triggered an immunogenic cytopathic effect as measured by an HMGB1 assay. The absence of significant elevation of PD-L1 expression indicated that vector-encoded HspA could act as an immunomodulator on the immune check point axis. These data demonstrate that MV-HspA is a potent oncolytic agent and vaccine candidate for clinical translation in cancer treatment and immunoprophylaxis against H. pylori.
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Affiliation(s)
- Ianko D Iankov
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.,Division of Medical Oncology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Cheyne Kurokawa
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Kimberly Viker
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Steven I Robinson
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.,Division of Medical Oncology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Arun Ammayappan
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Eleni Panagioti
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Mark J Federspiel
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Evanthia Galanis
- Department of Molecular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.,Division of Medical Oncology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
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7
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Mühlebach MD. Measles virus in cancer therapy. Curr Opin Virol 2020; 41:85-97. [PMID: 32861945 DOI: 10.1016/j.coviro.2020.07.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 02/07/2023]
Abstract
Over the last years, the development of viruses to treat cancer patients has re-gained considerable attention. A genetically modified herpesvirus, Talimogene laherparepvec, has already been authorized for the treatment of melanoma patients. Also recombinant measles virus (MeV) is developed as an oncolytic virus. Because of its high genetic flexibility, a number of different MeV strains have been the basis for the generation of targeted, armed, or shielded viruses that are highly specific for a given tumor target, more effective, or protected against serum neutralization. Such MeV have been extensively tested in vitro and in vivo, whereby remarkable oncolytic potency is accompanied by safety also in non-human primates. Therefore, MeV has been introduced into 19 different clinical trials and has reached phase II against two different tumor entities, multiple myeloma and ovarian carcinoma. Remarkably, one patient with advanced stage myeloma experienced long-term remission after treatment, visualizing the potency of this approach.
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Affiliation(s)
- Michael D Mühlebach
- Division of Veterinary Medicine, Paul-Ehrlich-Institut, Paul-Ehrlich-Strasse 51-59, D-63225 Langen, Germany.
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8
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Abstract
With the recognition of oncolytic virotherapy as an immunotherapy, the distinct interactions between oncolytic agents and the immune system have come into focus. The role of the immune system in oncolytic virotherapy is somewhat ambiguous: While preexisting or arising immunity directed against viral antigens may preclude efficient viral replication and spread, immunity directed against tumor antigens is considered essential for long-term treatment success. Aside from the antiviral and antitumor immune status of the patient, the specific immunological microenvironment in a given tumor adds an additional layer of complexity.In this review we focus on the case of measles virus, which has long been known for its multifaceted interplay with the immune system. The high prevalence of measles-neutralizing antibodies in the general population may pose additional challenges. The oncolytic measles virus vector platform offers manifold opportunities for tumor-targeted immunomodulation. This review provides a survey of immunomodulation in the context of measles virotherapy including strategies to suppress or circumvent antiviral immunity as well as enhance antitumor immunity that have been pursued in preclinical and clinical studies. Understanding and selective manipulation of the intricate balance between antiviral and antitumor immunity will be crucial to develop the full potential of oncolytic virotherapy.
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9
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Abudoureyimu M, Lai Y, Tian C, Wang T, Wang R, Chu X. Oncolytic Adenovirus-A Nova for Gene-Targeted Oncolytic Viral Therapy in HCC. Front Oncol 2019; 9:1182. [PMID: 31781493 PMCID: PMC6857090 DOI: 10.3389/fonc.2019.01182] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 10/21/2019] [Indexed: 12/25/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most frequent cancers worldwide, particularly in China. Despite the development of HCC treatment strategies, the survival rate remains unpleasant. Gene-targeted oncolytic viral therapy (GTOVT) is an emerging treatment modality-a kind of cancer-targeted therapy-which creates viral vectors armed with anti-cancer genes. The adenovirus is a promising agent for GAOVT due to its many advantages. In spite of the oncolytic adenovirus itself, the host immune response is the determining factor for the anti-cancer efficacy. In this review, we have summarized recent developments in oncolytic adenovirus engineering and the development of novel therapeutic genes utilized in HCC treatment. Furthermore, the diversified roles the immune response plays in oncolytic adenovirus therapy and recent attempts to modulate immune responses to enhance the anti-cancer efficacy of oncolytic adenovirus have been discussed.
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Affiliation(s)
- Mubalake Abudoureyimu
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Yongting Lai
- Department of Medical Oncology, Jinling Hospital, Nanjing Clinical School of Southern Medical University, Nanjing, China
| | - Chuan Tian
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Ting Wang
- Department of Medical Oncology, Jinling Hospital, Nanjing, China
| | - Rui Wang
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Xiaoyuan Chu
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
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10
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Zendedel E, Atkin SL, Sahebkar A. Use of stem cells as carriers of oncolytic viruses for cancer treatment. J Cell Physiol 2019; 234:14906-14913. [PMID: 30770550 DOI: 10.1002/jcp.28320] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 01/19/2019] [Accepted: 01/24/2019] [Indexed: 01/24/2023]
Abstract
Therapeutic application of stem cells and oncolytic viruses in cancer treatment has rapidly increased in the last decade. Oncolytic viruses are considered as a new class of anticancer agents because of their ability to selectively infect and destroy cancer cells. Furthermore, regarding the specific migratory capacity of stem cells, they can be used as carriers or vectors targeting metastatic cancer. Promising results have been reported regarding the use of stem cells and oncolytic viruses as a therapeutic approach for the treatment of metastatic cancer. The present review aimed to determine the approaches involved in the use of the tumor-homing capacity of stem cells for cancer treatment.
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Affiliation(s)
- Elham Zendedel
- Department of Biology, Faculty of Sciences, Islamic Azad University-Mashhad Branch, Mashhad, Iran
| | | | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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11
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Generation of recombinant measles virus containing the wild-type P gene to improve its oncolytic efficiency. Microb Pathog 2019; 135:103631. [PMID: 31381964 DOI: 10.1016/j.micpath.2019.103631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 07/12/2019] [Accepted: 07/16/2019] [Indexed: 11/23/2022]
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12
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Abstract
BACKGROUND Accumulating evidence in the last decade has pointed to the effectiveness of oncolytic virus in the treatment of a variety of cancer types in preclinical or clinical studies, showing high potency and low toxicity compared to conventional treatments. To track this research trend and highlight future directions, we conducted a bibliometric analysis of oncolytic virus research to date. METHODS Relevant studies were obtained from the Web of Science Core Collection between January 2000 and December 2018. Data were collected in terms of the number of publications, country, journal of publication, journal scope, author, and keywords or topics. Analysis and visual representation of the data were performed with CiteSpace V. RESULTS The trend in publications related to oncolytic virus showed a dramatic increase, from 10 publications in 2000 to 199 publications in 2018. The United States clearly dominates this field (981 publications, 52.770%), followed by Canada (244, 13.125%) and China (205, 11.027%). The top 15 academic journals account for over one third of the total publications on oncolytic virus research (724, 38.95%). Most of the related papers were published in journals with a focus on biology, medicine, immunology, medicine, molecular biology, and clinical perspectives, as represented by the dual-map overlay. The most highly cited papers were published in journals in the fields of nursing, molecular biology, general biology, genetics, health, and medicine. Over 1300 institutions have focused their attention on oncolytic virus research to date, and cooperation among mainstream institutions is common. CONCLUSION The global field of oncolytic virus research has expanded at a rapid pace from 2000 to 2018. There is no doubt that North America currently has the most powerful impact on the field with respect to both productivity and contribution. However, European and some East Asian institutions are also prominent in this field. Overall, this bibliometric study identifies the top 4 hotspots in oncolytic virus research: T-cells, vaccinia virus, dendritic cells, and apoptosis. Thus, further research focuses on these topics may be more helpful to promote the clinical translation of this treatment strategy to bring a benefit to cancer patients in the near future.
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Affiliation(s)
- Yidi Zou
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Yong Luo
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Jun Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Ningshao Xia
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Guowei Tan
- Department of Neurosurgery, First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Chenghao Huang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
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13
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Msaouel P, Opyrchal M, Dispenzieri A, Peng KW, Federspiel MJ, Russell SJ, Galanis E. Clinical Trials with Oncolytic Measles Virus: Current Status and Future Prospects. Curr Cancer Drug Targets 2019; 18:177-187. [PMID: 28228086 DOI: 10.2174/1568009617666170222125035] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 11/15/2016] [Accepted: 12/05/2016] [Indexed: 01/23/2023]
Abstract
Attenuated Edmonston lineage measles virus (MV-Edm) vaccine strains can preferentially infect and lyse a wide variety of cancer cells. Oncolytic MV-Edm derivatives are genetically engineered to express the human carcinoembryonic antigen (MV-CEA virus) or the human sodium iodide symporter (MV-NIS virus) and are currently being tested in clinical trials against ovarian cancer, glioblastoma multiforme, multiple myeloma, mesothelioma, head and neck cancer, breast cancer and malignant peripheral nerve sheath tumors. This review describes the basic and preclinical data that facilitated the clinical translation of MV-Edm strains, and summarizes the clinical results of this oncolytic platform to date. Furthermore, we discuss the latest clinically relevant MV-Edm vector developments and creative strategies for future translational steps.
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Affiliation(s)
- Pavlos Msaouel
- MD Anderson Cancer Center, Division of Cancer Medicine, 1400 Holcombe Blvd, Unit 0463, Houston, TX 77030, USA
| | - Mateusz Opyrchal
- Roswell Park Cancer Institute, Elm & Carlton Streets, Buffalo, NY 14263, USA
| | - Angela Dispenzieri
- Division of Hematology, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA.,Department of Molecular Medicine, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA
| | - Kah Whye Peng
- Department of Molecular Medicine, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA
| | - Mark J Federspiel
- Department of Molecular Medicine, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA
| | - Stephen J Russell
- Division of Hematology, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA.,Department of Molecular Medicine, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA
| | - Evanthia Galanis
- Department of Molecular Medicine, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA.,Division of Medical Oncology, Mayo Clinic 200 First Street SW, Rochester, MN 55905, USA
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14
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Zhand S, Hosseini SM, Tabarraei A, Saeidi M, Jazi MS, Kalani MR, Moradi A. Oral poliovirus vaccine-induced programmed cell death involves both intrinsic and extrinsic pathways in human colorectal cancer cells. Oncolytic Virother 2018; 7:95-105. [PMID: 30464928 PMCID: PMC6214410 DOI: 10.2147/ov.s177260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
PURPOSE Colorectal cancer (CRC) is one of the most common causes of cancer death throughout the world. Replication-competent viruses, which are naturally able to infect and lyse tumor cells, seem to be promising in this field. The aim of this study was to evaluate the potential of oral poliovirus vaccine (OPV) on human CRC cells and elucidate the mechanism of apoptosis induction. MATERIALS AND METHODS Protein and gene expression of poliovirus (PV) receptor (CD155) on four human CRC cell lines including HCT116, SW480, HT-29, and Caco-2 and normal fetal human colon (FHC) cell line as a control were examined by flow cytometry and SYBR Green Real-Time PCR, respectively. Cytotoxicity of OPV on indicated cell lines was tested using MTT assay. The ability of OPV on apoptosis induction for both intrinsic and extrinsic pathways was examined using caspase-8 and caspase-9 colorimetric assay kits. The PV propagation in mentioned cell lines was investigated, and the quantity of viral yields (cells associated and extracellular) was determined using TaqMan PCR. RESULTS CD155 mRNA and protein were expressed significantly higher in studied CRC cell lines rather than the normal cell line (P=0). OPV induced cell death in a time- and dose-dependent manner in human CRC cells. Apoptosis through both extrinsic and intrinsic pathways was detected in CRC cells with the minimum level found in FHC. PV viral load was significantly correlated with apoptosis via extrinsic (R=0.945, P=0.0001) and intrinsic (R=0.756, P=0.001) pathways. CONCLUSION This study suggests that OPV has potential for clinical treatment of CRC. However further studies in animal models (tumor xenografts) are needed to be certain that it is qualified enough for treatment of CRC.
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Affiliation(s)
- Sareh Zhand
- Department of Microbiology, Faculty of Biological Sciences and Technology, Shahid Beheshti University, Tehran, Iran
| | - Seyed Masoud Hosseini
- Department of Microbiology, Faculty of Biological Sciences and Technology, Shahid Beheshti University, Tehran, Iran
| | - Alijan Tabarraei
- Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran,
| | - Mohsen Saeidi
- Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran,
| | - Marie Saghaeian Jazi
- Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mohamad Reza Kalani
- Department of Biochemistry, School of Molecular and Cell Biology, University of Illinois at Urbana Champaign, Urbana, IL, USA
| | - Abdolvahab Moradi
- Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran,
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15
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Xiao X, Liang J, Huang C, Li K, Xing F, Zhu W, Lin Z, Xu W, Wu G, Zhang J, Lin X, Tan Y, Cai J, Hu J, Chen X, Huang Y, Qin Z, Qiu P, Su X, Chen L, Lin Y, Zhang H, Yan G. DNA-PK inhibition synergizes with oncolytic virus M1 by inhibiting antiviral response and potentiating DNA damage. Nat Commun 2018; 9:4342. [PMID: 30337542 PMCID: PMC6194050 DOI: 10.1038/s41467-018-06771-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 09/17/2018] [Indexed: 02/05/2023] Open
Abstract
Oncolytic virotherapy is a promising therapeutic strategy that uses replication-competent viruses to selectively destroy malignancies. However, the therapeutic effect of certain oncolytic viruses (OVs) varies among cancer patients. Thus, it is necessary to overcome resistance to OVs through rationally designed combination strategies. Here, through an anticancer drug screening, we show that DNA-dependent protein kinase (DNA-PK) inhibition sensitizes cancer cells to OV M1 and improves therapeutic effects in refractory cancer models in vivo and in patient tumour samples. Infection of M1 virus triggers the transcription of interferons (IFNs) and the activation of the antiviral response, which can be abolished by pretreatment of DNA-PK inhibitor (DNA-PKI), resulting in selectively enhanced replication of OV M1 within malignancies. Furthermore, DNA-PK inhibition promotes the DNA damage response induced by M1 virus, leading to increased tumour cell apoptosis. Together, our study identifies the combination of DNA-PKI and OV M1 as a potential treatment for cancers. Oncolytic virotherapy is a promising strategy for cancer treatment. In this study, the authors demonstrate that DNA-dependent protein kinase (DNA-PK) inhibition sensitizes cancer cells to M1 virus and improves therapeutic effects in refractory cancer models in vivo and in patient tumour samples.
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Affiliation(s)
- Xiao Xiao
- Institute of Clinical Medicine, The First Affiliated Hospital, University of South China, Hengyang, 421001, China.,Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jiankai Liang
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Chunlong Huang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510700, China
| | - Kai Li
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, China
| | - Fan Xing
- School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Wenbo Zhu
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Ziqing Lin
- Guangzhou Virotech Pharmaceutical Co., Ltd, Guangzhou, 510663, China
| | - Wencang Xu
- Guangzhou Virotech Pharmaceutical Co., Ltd, Guangzhou, 510663, China
| | - Guangen Wu
- Guangzhou Virotech Pharmaceutical Co., Ltd, Guangzhou, 510663, China
| | - Jifu Zhang
- Guangzhou Virotech Pharmaceutical Co., Ltd, Guangzhou, 510663, China
| | - Xi Lin
- Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, China.,Institute of Medical Microbiology, Jinan University, Guangzhou, 510632, China
| | - Yaqian Tan
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jing Cai
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jun Hu
- Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xueqin Chen
- Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Youwei Huang
- Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Zixi Qin
- Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Pengxin Qiu
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xingwen Su
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Lijun Chen
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yuan Lin
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China. .,Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China.
| | - Haipeng Zhang
- Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, China. .,Institute of Medical Microbiology, Jinan University, Guangzhou, 510632, China.
| | - Guangmei Yan
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
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16
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Russell L, Peng KW. The emerging role of oncolytic virus therapy against cancer. Chin Clin Oncol 2018; 7:16. [PMID: 29764161 DOI: 10.21037/cco.2018.04.04] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 04/10/2018] [Indexed: 12/28/2022]
Abstract
This review discusses current clinical advancements in oncolytic viral therapy, with a focus on the viral platforms approved for clinical use and highlights the benefits each platform provides. Three oncolytic viruses (OVs), an echovirus, an adenovirus, and a herpes simplex-1 virus, have passed governmental regulatory approval in Latvia, China, and the USA and EU. Numerous other recombinant viruses from diverse families are in clinical testing in cancer patients and we highlight the design features of selected examples, including adenovirus, herpes simplex virus, measles virus, retrovirus, reovirus, vaccinia virus, vesicular stomatitis virus. Lastly, we provide thoughts on the path forward for this rapidly expanding field especially in combination with immune modulating drugs.
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17
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Calton CM, Kelly KR, Anwer F, Carew JS, Nawrocki ST. Oncolytic Viruses for Multiple Myeloma Therapy. Cancers (Basel) 2018; 10:E198. [PMID: 29903988 PMCID: PMC6025383 DOI: 10.3390/cancers10060198] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 05/31/2018] [Accepted: 06/12/2018] [Indexed: 12/17/2022] Open
Abstract
Although recent treatment advances have improved outcomes for patients with multiple myeloma (MM), the disease frequently becomes refractory to current therapies. MM thus remains incurable for most patients and new therapies are urgently needed. Oncolytic viruses are a promising new class of therapeutics that provide tumor-targeted therapy by specifically infecting and replicating within cancerous cells. Oncolytic therapy yields results from both direct killing of malignant cells and induction of an anti-tumor immune response. In this review, we will describe oncolytic viruses that are being tested for MM therapy with a focus on those agents that have advanced into clinical trials.
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Affiliation(s)
- Christine M Calton
- Division of Translational and Regenerative Medicine, Department of Medicine and The University of Arizona Cancer Center, Tucson, AZ 85724, USA.
| | - Kevin R Kelly
- Jane Anne Nohl Division of Hematology and Center for the Study of Blood Diseases, University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA 90033, USA.
| | - Faiz Anwer
- Division of Hematology and Oncology, University of Arizona Cancer Center, Tucson, AZ 85724, USA.
| | - Jennifer S Carew
- Division of Translational and Regenerative Medicine, Department of Medicine and The University of Arizona Cancer Center, Tucson, AZ 85724, USA.
| | - Steffan T Nawrocki
- Division of Translational and Regenerative Medicine, Department of Medicine and The University of Arizona Cancer Center, Tucson, AZ 85724, USA.
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18
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Abstract
Multiple myeloma (MM) is a clonal malignancy of plasma cells that is newly diagnosed in ~30,000 patients in the US each year. While recently developed therapies have improved the prognosis for MM patients, relapse rates remain unacceptably high. To overcome this challenge, researchers have begun to investigate the therapeutic potential of oncolytic viruses as a novel treatment option for MM. Preclinical work with these viruses has demonstrated that their infection can be highly specific for MM cells and results in impressive therapeutic efficacy in a variety of preclinical models. This has led to the recent initiation of several human trials. This review summarizes the current state of oncolytic therapy as a therapeutic option for MM and highlights a variety of areas that need to be addressed as the field moves forward.
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Affiliation(s)
- Eric Bartee
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
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19
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Kleinlützum D, Hanauer JDS, Muik A, Hanschmann KM, Kays SK, Ayala-Breton C, Peng KW, Mühlebach MD, Abel T, Buchholz CJ. Enhancing the Oncolytic Activity of CD133-Targeted Measles Virus: Receptor Extension or Chimerism with Vesicular Stomatitis Virus Are Most Effective. Front Oncol 2017; 7:127. [PMID: 28695108 PMCID: PMC5483446 DOI: 10.3389/fonc.2017.00127] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 06/01/2017] [Indexed: 12/16/2022] Open
Abstract
Therapy resistance and tumor recurrence are often linked to a small refractory and highly tumorigenic subpopulation of neoplastic cells, known as cancer stem cells (CSCs). A putative marker of CSCs is CD133 (prominin-1). We have previously described a CD133-targeted oncolytic measles virus (MV-CD133) as a promising approach to specifically eliminate CD133-positive tumor cells. Selectivity was introduced at the level of cell entry by an engineered MV hemagglutinin (H). The H protein was blinded for its native receptors and displayed a CD133-specific single-chain antibody fragment (scFv) as targeting domain. Interestingly, MV-CD133 was more active in killing CD133-positive tumors than the unmodified MV-NSe despite being highly selective for its target cells. To further enhance the antitumoral activity of MV-CD133, we here pursued arming technologies, receptor extension, and chimeras between MV-CD133 and vesicular stomatitis virus (VSV). All newly generated viruses including VSV-CD133 were highly selective in eliminating CD133-positive cells. MV-CD46/CD133 killed in addition CD133-negative cells being positive for the MV receptors. In an orthotopic glioma model, MV-CD46/CD133 and MVSCD-CD133, which encodes the super cytosine deaminase, were most effective. Notably, VSV-CD133 caused fatal neurotoxicity in this tumor model. Use of CD133 as receptor could be excluded as being causative. In a subcutaneous tumor model of hepatocellular cancer, VSV-CD133 revealed the most potent oncolytic activity and also significantly prolonged survival of the mice when injected intravenously. Compared to MV-CD133, VSV-CD133 infected a more than 104-fold larger area of the tumor within the same time period. Our data not only suggest new concepts and approaches toward enhancing the oncolytic activity of CD133-targeted oncolytic viruses but also raise awareness about careful toxicity testing of novel virus types.
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Affiliation(s)
- Dina Kleinlützum
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany.,German Cancer Consortium (DKTK), Partner Site Heidelberg, Heidelberg, Germany.,German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Julia D S Hanauer
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany
| | - Alexander Muik
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany
| | | | - Sarah-Katharina Kays
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany
| | | | - Kah-Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, United States
| | - Michael D Mühlebach
- Product Testing of Immunological Medicinal Products for Veterinary Use, Paul-Ehrlich-Institut, Langen, Germany
| | - Tobias Abel
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany
| | - Christian J Buchholz
- Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany.,German Cancer Consortium (DKTK), Partner Site Heidelberg, Heidelberg, Germany
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20
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Selective replication of oncolytic virus M1 results in a bystander killing effect that is potentiated by Smac mimetics. Proc Natl Acad Sci U S A 2017; 114:6812-6817. [PMID: 28607091 DOI: 10.1073/pnas.1701002114] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Oncolytic virotherapy is a treatment modality that uses native or genetically modified viruses that selectively replicate in and kill tumor cells. Viruses represent a type of pathogen-associated molecular pattern and thereby induce the up-regulation of dozens of cytokines via activating the host innate immune system. Second mitochondria-derived activator of caspases (Smac) mimetic compounds (SMCs), which antagonize the function of inhibitor of apoptosis proteins (IAPs) and induce apoptosis, sensitize tumor cells to multiple cytokines. Therefore, we sought to determine whether SMCs sensitize tumor cells to cytokines induced by the oncolytic M1 virus, thus enhancing a bystander killing effect. Here, we report that SMCs potentiate the oncolytic effect of M1 in vitro, in vivo, and ex vivo. This strengthened oncolytic efficacy resulted from the enhanced bystander killing effect caused by the M1 virus via cytokine induction. Through a microarray analysis and subsequent validation using recombinant cytokines, we identified IL-8, IL-1A, and TRAIL as the key cytokines in the bystander killing effect. Furthermore, SMCs increased the replication of M1, and the accumulation of virus protein induced irreversible endoplasmic reticulum stress- and c-Jun N-terminal kinase-mediated apoptosis. Nevertheless, the combined treatment with M1 and SMCs had little effect on normal and human primary cells. Because SMCs selectively and significantly enhance the bystander killing effect and the replication of oncolytic virus M1 specifically in cancer cells, this combined treatment may represent a promising therapeutic strategy.
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21
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Chen J, Gao P, Yuan S, Li R, Ni A, Chu L, Ding L, Sun Y, Liu XY, Duan Y. Oncolytic Adenovirus Complexes Coated with Lipids and Calcium Phosphate for Cancer Gene Therapy. ACS NANO 2016; 10:11548-11560. [PMID: 27977128 DOI: 10.1021/acsnano.6b06182] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Oncolytic adenovirus (OncoAd) is a promising therapeutic agent for treating cancer. However, the therapeutic potential of OncoAd is hindered by hepatic sequestration and the host immune response in vivo. Here, we constructed a PEG/Lipids/calcium phosphate (CaP)-OncoAd (PLC-OncoAd) delivery system for ZD55-IL-24, an oncolytic adenovirus that carries the IL-24 gene. The negatively charged PLC-ZD55-IL-24 were disperse and resisted serum-induced aggregation. Compared to naked ZD55-IL-24, the systemic administration of PLC-ZD55-IL-24 in BALB/c mice resulted in reduced liver sequestration and systemic toxicity and evaded the innate immune response. In addition, masking the surface of OncoAd protected it from neutralization by pre-existing neutralizing antibody. PLC-OncoAd achieved efficient targeted delivery in Huh-7-bearing nude mice, and intravenous administration of a high dose of PLC-ZD55-IL-24 increased therapeutic efficacy without inducing toxicity. The developed PLC-OncoAd delivery system represents a promising improvement for oncolytic adenovirus-based cancer gene therapy in vivo.
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Affiliation(s)
- Jianhua Chen
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai 200032, China
| | - Pei Gao
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai 200032, China
| | - Sujing Yuan
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Rongxin Li
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai 200032, China
| | - Aimin Ni
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Liang Chu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Li Ding
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai 200032, China
| | - Ying Sun
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai 200032, China
| | - Xin-Yuan Liu
- State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences , Shanghai 200031, China
| | - Yourong Duan
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai 200032, China
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22
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Bolyard C, Meisen WH, Banasavadi-Siddegowda Y, Hardcastle J, Yoo JY, Wohleb ES, Wojton J, Yu JG, Dubin S, Khosla M, Xu B, Smith J, Alvarez-Breckenridge C, Pow-Anpongkul P, Pichiorri F, Zhang J, Old M, Zhu D, Van Meir EG, Godbout JP, Caligiuri MA, Yu J, Kaur B. BAI1 Orchestrates Macrophage Inflammatory Response to HSV Infection-Implications for Oncolytic Viral Therapy. Clin Cancer Res 2016; 23:1809-1819. [PMID: 27852701 DOI: 10.1158/1078-0432.ccr-16-1818] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 10/04/2016] [Accepted: 10/27/2016] [Indexed: 01/10/2023]
Abstract
Purpose: Brain angiogenesis inhibitor (BAI1) facilitates phagocytosis and bacterial pathogen clearance by macrophages; however, its role in viral infections is unknown. Here, we examined the role of BAI1, and its N-terminal cleavage fragment (Vstat120) in antiviral macrophage responses to oncolytic herpes simplex virus (oHSV).Experimental Design: Changes in infiltration and activation of monocytic and microglial cells after treatment of glioma-bearing mice brains with a control (rHSVQ1) or Vstat120-expressing (RAMBO) oHSV was analyzed using flow cytometry. Co-culture of infected glioma cells with macrophages or microglia was used to examine antiviral signaling. Cytokine array gene expression and Ingenuity Pathway Analysis (IPA) helped evaluate changes in macrophage signaling in response to viral infection. TNFα-blocking antibodies and macrophages derived from Bai1-/- mice were used.Results: RAMBO treatment of mice reduced recruitment and activation of macrophages/microglia in mice with brain tumors, and showed increased virus replication compared with rHSVQ1. Cytokine gene expression array revealed that RAMBO significantly altered the macrophage inflammatory response to infected glioma cells via altered secretion of TNFα. Furthermore, we showed that BAI1 mediated macrophage TNFα induction in response to oHSV therapy. Intracranial inoculation of wild-type/RAMBO virus in Bai1-/- or wild-type non-tumor-bearing mice revealed the safety of this approach.Conclusions: We have uncovered a new role for BAI1 in facilitating macrophage anti-viral responses. We show that arming oHSV with antiangiogenic Vstat120 also shields them from inflammatory macrophage antiviral response, without reducing safety. Clin Cancer Res; 23(7); 1809-19. ©2016 AACR.
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Affiliation(s)
- Chelsea Bolyard
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - W Hans Meisen
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Yeshavanth Banasavadi-Siddegowda
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Jayson Hardcastle
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio
| | - Ji Young Yoo
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Eric S Wohleb
- Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Jeffrey Wojton
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio
| | - Jun-Ge Yu
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Department of Otolaryngology, Head and Neck Surgery, The Ohio State University College of Medicine, Columbus, Ohio
| | - Samuel Dubin
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Maninder Khosla
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Department of Otolaryngology, Head and Neck Surgery, The Ohio State University College of Medicine, Columbus, Ohio
| | - Bo Xu
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Jonathan Smith
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio
| | - Christopher Alvarez-Breckenridge
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Pete Pow-Anpongkul
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio.,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Flavia Pichiorri
- Department of Hematology, City of Hope Cancer Center, Duarte, California
| | - Jianying Zhang
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Department of Biomedical Informatics, Center for Biostatistics, The Ohio State University College of Medicine, Columbus, Ohio
| | - Matthew Old
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Department of Otolaryngology, Head and Neck Surgery, The Ohio State University College of Medicine, Columbus, Ohio
| | - Dan Zhu
- Departments of Neurosurgery and Hematology and Medical Oncology, School of Medicine and Winship Cancer Institute, Emory University, Atlanta, Georgia
| | - Erwin G Van Meir
- Departments of Neurosurgery and Hematology and Medical Oncology, School of Medicine and Winship Cancer Institute, Emory University, Atlanta, Georgia
| | - Jonathan P Godbout
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.,Department of Neuroscience, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Michael A Caligiuri
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Jianhua Yu
- The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Balveen Kaur
- Department of Neurological Surgery, The Ohio State University College of Medicine, Columbus, Ohio. .,The James Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
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23
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Wang B, Yan X, Guo Q, Li Y, Zhang H, Xie JS, Meng X. Deficiency of caspase 3 in tumor xenograft impairs therapeutic effect of measles virus Edmoston strain. Oncotarget 2016; 6:16019-30. [PMID: 25909216 PMCID: PMC4599253 DOI: 10.18632/oncotarget.3496] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 03/07/2015] [Indexed: 11/25/2022] Open
Abstract
The oncolytic measles virus Edmonston (MV-Edm) strain shows considerable oncolytic activity against a variety of human tumors. In this study, we report MV-Edm is able to trigger apoptosis pathways in infected tumor cells and elucidate the roles of cellular apoptosis in the whole oncolytic process. We also show that activated caspase 3, a key executioner of apoptosis, plays key roles in the oncolytic virotherapy. Activated caspase 3 can accelerate viral replication in cervical cancer cells and enhance the killing effects of the virus. Deficiency of caspase 3 either in tumor cells or in tumor xenograft significantly desensitized tumor to oncolysis with MV-Edm. In the infected cells, caspase 3 regulates interferon α release, which can inhibit viral replication in neighboring tumor cells. We propose that caspase-3 activation enhances the oncolytic effects of MV-Edm, thus inhibiting tumor growth in mice.
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Affiliation(s)
- Biao Wang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences of China Medical University Shenyang, P.R. China
| | - Xu Yan
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, P.R. China
| | - Qingguo Guo
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences of China Medical University Shenyang, P.R. China
| | - Yan Li
- Department of Oncology, Tumour Angiogenesis and Microenvironment Laboratory (TAML), First Affiliated Hospital, Liaoning Medical College, Jinzhou, P.R. China
| | - Haiyan Zhang
- Department of Geriatrics, The First Affiliated Hospital, China Medical University, Shenyang, P.R. China
| | - Ji Sheng Xie
- Department of Ecsomatics, Youjiang Medical College for Nationalities, Baise City, P.R. China
| | - Xin Meng
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences of China Medical University Shenyang, P.R. China
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24
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Grundy M, Coussios C, Carlisle R. Advances in systemic delivery of anti-cancer agents for the treatment of metastatic cancer. Expert Opin Drug Deliv 2016; 13:999-1013. [PMID: 27080542 DOI: 10.1517/17425247.2016.1167036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION The successful treatment of metastatic cancer is refractory to strategies employed to treat confined, primary lesions, such as surgical resection and radiation therapy, and thus must be addressed by systemic delivery of anti-cancer agents. Conventional systemically administered chemotherapeutics are often ineffective and come with severe dose-limiting toxicities. AREAS COVERED This review focuses on the recent developments in systemic therapy for metastatic cancer. Firstly, the strategies employed to improve the efficacy of conventional chemotherapeutics by 'passively' and 'actively' targeting them to tumors are discussed. Secondly, recent advances in the use of biologics to better target cancer and to instigate anti-tumor immunity are reviewed. Under the label of 'biologics', antibody-therapies, T cell engaging therapies, oncolytic virotherapies and cell-based therapies are examined and evaluated. EXPERT OPINION Improving specificity of action, and engaging the immune system appear to be key goals in the development of novel or reformulated anti-cancer agents for the treatment of metastatic cancer. One of the largest areas of opportunity in this field will be the identification of robust predictive biomarkers for use in conjunction with these agents. Treatment regimens that combine an agent to elicit an immune response (such as an oncolytic virus), and an agent to potentiate/mediate that immune response (such as immune checkpoint inhibitors) are predicted to be more effective than treatment with either agent alone.
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Affiliation(s)
- Megan Grundy
- a Department of Engineering Science , Institute of Biomedical Engineering, University of Oxford , Oxford , United Kingdom
| | - Constantin Coussios
- a Department of Engineering Science , Institute of Biomedical Engineering, University of Oxford , Oxford , United Kingdom
| | - Robert Carlisle
- a Department of Engineering Science , Institute of Biomedical Engineering, University of Oxford , Oxford , United Kingdom
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25
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Pourchet A, Fuhrmann SR, Pilones KA, Demaria S, Frey AB, Mulvey M, Mohr I. CD8(+) T-cell Immune Evasion Enables Oncolytic Virus Immunotherapy. EBioMedicine 2016; 5:59-67. [PMID: 27077112 PMCID: PMC4816761 DOI: 10.1016/j.ebiom.2016.01.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 01/08/2016] [Accepted: 01/15/2016] [Indexed: 12/28/2022] Open
Abstract
Although counteracting innate defenses allows oncolytic viruses (OVs) to better replicate and spread within tumors, CD8(+) T-cells restrict their capacity to trigger systemic anti-tumor immune responses. Herpes simplex virus-1 (HSV-1) evades CD8(+) T-cells by producing ICP47, which limits immune recognition of infected cells by inhibiting the transporter associated with antigen processing (TAP). Surprisingly, removing ICP47 was assumed to benefit OV immuno-therapy, but the impact of inhibiting TAP remains unknown because human HSV-1 ICP47 is not effective in rodents. Here, we engineer an HSV-1 OV to produce bovine herpesvirus UL49.5, which unlike ICP47, antagonizes rodent and human TAP. Significantly, UL49.5-expressing OVs showed superior efficacy treating bladder and breast cancer in murine models that was dependent upon CD8(+) T-cells. Besides injected subcutaneous tumors, UL49.5-OV reduced untreated, contralateral tumor size and metastases. These findings establish TAP inhibitor-armed OVs that evade CD8(+) T-cells as an immunotherapy strategy to elicit potent local and systemic anti-tumor responses.
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Affiliation(s)
- Aldo Pourchet
- Department of Microbiology, New York University School of Medicine, New York, NY, USA
| | | | - Karsten A. Pilones
- Department of Pathology, New York University School of Medicine, New York, NY, USA
| | - Sandra Demaria
- Department of Pathology, New York University School of Medicine, New York, NY, USA
- NYU Cancer Institute, New York University School of Medicine, New York, NY, USA
| | - Alan B. Frey
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
- NYU Cancer Institute, New York University School of Medicine, New York, NY, USA
| | | | - Ian Mohr
- Department of Microbiology, New York University School of Medicine, New York, NY, USA
- NYU Cancer Institute, New York University School of Medicine, New York, NY, USA
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Marchini A, Scott EM, Rommelaere J. Overcoming Barriers in Oncolytic Virotherapy with HDAC Inhibitors and Immune Checkpoint Blockade. Viruses 2016; 8:v8010009. [PMID: 26751469 PMCID: PMC4728569 DOI: 10.3390/v8010009] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 12/16/2015] [Accepted: 12/22/2015] [Indexed: 12/15/2022] Open
Abstract
Oncolytic viruses (OVs) target and destroy cancer cells while sparing their normal counterparts. These viruses have been evaluated in numerous studies at both pre-clinical and clinical levels and the recent Food and Drug Administration (FDA) approval of an oncolytic herpesvirus-based treatment raises optimism that OVs will become a therapeutic option for cancer patients. However, to improve clinical outcome, there is a need to increase OV efficacy. In addition to killing cancer cells directly through lysis, OVs can stimulate the induction of anti-tumour immune responses. The host immune system thus represents a "double-edged sword" for oncolytic virotherapy: on the one hand, a robust anti-viral response will limit OV replication and spread; on the other hand, the immune-mediated component of OV therapy may be its most important anti-cancer mechanism. Although the relative contribution of direct viral oncolysis and indirect, immune-mediated oncosuppression to overall OV efficacy is unclear, it is likely that an initial period of vigorous OV multiplication and lytic activity will most optimally set the stage for subsequent adaptive anti-tumour immunity. In this review, we consider the use of histone deacetylase (HDAC) inhibitors as a means of boosting virus replication and lessening the negative impact of innate immunity on the direct oncolytic effect. We also discuss an alternative approach, aimed at potentiating OV-elicited anti-tumour immunity through the blockade of immune checkpoints. We conclude by proposing a two-phase combinatorial strategy in which initial OV replication and spread is maximised through transient HDAC inhibition, with anti-tumour immune responses subsequently enhanced by immune checkpoint blockade.
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Affiliation(s)
- Antonio Marchini
- Infection, Inflammation and Cancer Program, Tumor Virology Division (F010), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 242, 69120 Heidelberg, Germany.
| | - Eleanor M Scott
- Infection, Inflammation and Cancer Program, Tumor Virology Division (F010), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 242, 69120 Heidelberg, Germany.
| | - Jean Rommelaere
- Infection, Inflammation and Cancer Program, Tumor Virology Division (F010), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 242, 69120 Heidelberg, Germany.
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Hutzen B, Raffel C, Studebaker AW. Advances in the design and development of oncolytic measles viruses. Oncolytic Virother 2015; 4:109-18. [PMID: 27512675 PMCID: PMC4918395 DOI: 10.2147/ov.s66078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
A successful oncolytic virus is one that selectively propagates and destroys cancerous tissue without causing excessive damage to the normal surrounding tissue. Oncolytic measles virus (MV) is one such virus that exhibits this characteristic and thus has rapidly emerged as a potentially useful anticancer modality. Derivatives of the Edmonston MV vaccine strain possess a remarkable safety record in humans. Promising results in preclinical animal models and evidence of biological activity in early phase trials contribute to the enthusiasm. Genetic modifications have enabled MV to evolve from a vaccine agent to a potential anticancer therapy. Specifically, alterations of the MV genome have led to improved tumor selectivity and delivery, therapeutic potency, and immune system modulation. In this article, we will review the advancements that have been made in the design and development of MV that have led to its use as a cancer therapy. In addition, we will discuss the evidence supporting its use, as well as the challenges associated with MV as a potential cancer therapeutic.
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Affiliation(s)
- Brian Hutzen
- Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - Corey Raffel
- Department of Neurological Surgery and Pediatrics, University of California, San Francisco, San Francisco, CA, USA
| | - Adam W Studebaker
- Center for Childhood Cancer and Blood Diseases, The Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
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28
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Meisen WH, Wohleb ES, Jaime-Ramirez AC, Bolyard C, Yoo JY, Russell L, Hardcastle J, Dubin S, Muili K, Yu J, Caligiuri M, Godbout J, Kaur B. The Impact of Macrophage- and Microglia-Secreted TNFα on Oncolytic HSV-1 Therapy in the Glioblastoma Tumor Microenvironment. Clin Cancer Res 2015; 21:3274-85. [PMID: 25829396 DOI: 10.1158/1078-0432.ccr-14-3118] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 03/24/2015] [Indexed: 12/15/2022]
Abstract
PURPOSE Oncolytic herpes simplex viruses (oHSV) represent a promising therapy for glioblastoma (GBM), but their clinical success has been limited. Early innate immune responses to viral infection reduce oHSV replication, tumor destruction, and efficacy. Here, we characterized the antiviral effects of macrophages and microglia on viral therapy for GBM. EXPERIMENTAL DESIGN Quantitative flow cytometry of mice with intracranial gliomas (±oHSV) was used to examine macrophage/microglia infiltration and activation. In vitro coculture assays of infected glioma cells with microglia/macrophages were used to test their impact on oHSV replication. Macrophages from TNFα-knockout mice and blocking antibodies were used to evaluate the biologic effects of TNFα on virus replication. TNFα blocking antibodies were used to evaluate the impact of TNFα on oHSV therapy in vivo. RESULTS Flow-cytometry analysis revealed a 7.9-fold increase in macrophage infiltration after virus treatment. Tumor-infiltrating macrophages/microglia were polarized toward a M1, proinflammatory phenotype, and they expressed high levels of CD86, MHCII, and Ly6C. Macrophages/microglia produced significant amounts of TNFα in response to infected glioma cells in vitro and in vivo. Using TNFα-blocking antibodies and macrophages derived from TNFα-knockout mice, we discovered TNFα-induced apoptosis in infected tumor cells and inhibited virus replication. Finally, we demonstrated the transient blockade of TNFα from the tumor microenvironment with TNFα-blocking antibodies significantly enhanced virus replication and survival in GBM intracranial tumors. CONCLUSIONS The results of these studies suggest that FDA approved TNFα inhibitors may significantly improve the efficacy of oncolytic virus therapy.
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Affiliation(s)
- W Hans Meisen
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Eric S Wohleb
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Alena Cristina Jaime-Ramirez
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Chelsea Bolyard
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Ji Young Yoo
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Luke Russell
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | | | - Samuel Dubin
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Kamaldeen Muili
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Jianhua Yu
- Division of Hematology, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Michael Caligiuri
- Division of Hematology, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Jonathan Godbout
- Department of Neuroscience, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio
| | - Balveen Kaur
- Department of Neurological Surgery, James Comprehensive Cancer Center, The Ohio State University Medical Center, Columbus, Ohio.
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Cuddington BP, Mossman KL. Identifying roadblocks to successful oncolytic virotherapy: what are they and how do we approach them? Future Virol 2014. [DOI: 10.2217/fvl.14.48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Breanne P Cuddington
- Department of Pathology & Molecular Medicine, McMaster Immunology Research Centre, Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
| | - Karen L Mossman
- Department of Pathology & Molecular Medicine, McMaster Immunology Research Centre, Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
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30
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Viral oncolysis - can insights from measles be transferred to canine distemper virus? Viruses 2014; 6:2340-75. [PMID: 24921409 PMCID: PMC4074931 DOI: 10.3390/v6062340] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 06/03/2014] [Accepted: 06/04/2014] [Indexed: 12/12/2022] Open
Abstract
Neoplastic diseases represent one of the most common causes of death among humans and animals. Currently available and applied therapeutic options often remain insufficient and unsatisfactory, therefore new and innovative strategies and approaches are highly needed. Periodically, oncolytic viruses have been in the center of interest since the first anecdotal description of their potential usefulness as an anti-tumor treatment concept. Though first reports referred to an incidental measles virus infection causing tumor regression in a patient suffering from lymphoma several decades ago, no final treatment concept has been developed since then. However, numerous viruses, such as herpes-, adeno- and paramyxoviruses, have been investigated, characterized, and modified with the aim to generate a new anti-cancer treatment option. Among the different viruses, measles virus still represents a highly interesting candidate for such an approach. Numerous different tumors of humans including malignant lymphoma, lung and colorectal adenocarcinoma, mesothelioma, and ovarian cancer, have been studied in vitro and in vivo as potential targets. Moreover, several concepts using different virus preparations are now in clinical trials in humans and may proceed to a new treatment option. Surprisingly, only few studies have investigated viral oncolysis in veterinary medicine. The close relationship between measles virus (MV) and canine distemper virus (CDV), both are morbilliviruses, and the fact that numerous tumors in dogs exhibit similarities to their human counterpart, indicates that both the virus and species dog represent a highly interesting translational model for future research in viral oncolysis. Several recent studies support such an assumption. It is therefore the aim of the present communication to outline the mechanisms of morbillivirus-mediated oncolysis and to stimulate further research in this potentially expanding field of viral oncolysis in a highly suitable translational animal model for the benefit of humans and dogs.
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31
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M Parrula MC, Fernandez SA, Landes K, Huey D, Lairmore M, Niewiesk S. Success of measles virotherapy in ATL depends on type I interferon secretion and responsiveness. Virus Res 2014; 189:206-13. [PMID: 24911240 DOI: 10.1016/j.virusres.2014.05.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Revised: 05/27/2014] [Accepted: 05/28/2014] [Indexed: 12/26/2022]
Abstract
Adult T cell leukemia/lymphoma (ATL) is a highly aggressive CD4+/CD25+ T-cell malignancy caused by human T cell lymphotropic virus type 1 (HTLV-1). Previous studies in the MET-1 cell/NOD/SCID mouse model of ATL demonstrated that MET-1 cells are very susceptible to measles virus (MV) oncolytic therapy. To further evaluate the potential of MV therapy in ATL, the susceptibility of several HTLV-1 transformed CD4+ T cell lines (MT-1, MT-2, MT-4 and C8166-45) as well as HTLV-1 negative CD4+ T cell lines (Jurkat and CCRF-CEM) to infection with MV was tested in vitro. All cell lines were permissive to MV infection and subsequent cell death, except MT-1 and CCRF-CEM cells which were susceptible and permissive to MV infection, but resistant to cell death. The resistance to MV-mediated cell death was associated with IFNβ produced by MT-1 and CCRF-CEM cells. Inhibition of IFNβ rendered MT-1 and CCRF-CEM cells susceptible to MV-mediated cell death. Cells susceptible to MV-induced cell death did not produce nor were responsive to IFNβ. Upon infection with Newcastle Disease Virus (NDV), MT-1 and CCRF-CEM but not the susceptible cell lines up-regulated pSTAT-2. In vivo, treatment of tumors induced by MT-1 cell lines which produce IFNβ demonstrated only small increases in mean survival time, while only two treatments prolonged mean survival time in mice with MET-1 tumors deficient in type I interferon production. These results indicate that type I interferon production is closely linked with the inability of tumor cells to respond to type I interferon. Screening of tumor cells for type I interferon could be a useful strategy to select candidate patients for MV virotherapy.
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Affiliation(s)
- M Cecilia M Parrula
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States
| | - Soledad A Fernandez
- Center for Biostatistics, The Ohio State University, Columbus, OH, United States; Comprehensive Cancer Center, The Arthur James Cancer Hospital and Research Institute, The Ohio State University, Columbus, OH, United States
| | - Kristina Landes
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States
| | - Devra Huey
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States
| | - Michael Lairmore
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States; Center for Retrovirus Research, The Ohio State University, Columbus, OH, United States; Comprehensive Cancer Center, The Arthur James Cancer Hospital and Research Institute, The Ohio State University, Columbus, OH, United States
| | - Stefan Niewiesk
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States; Center for Retrovirus Research, The Ohio State University, Columbus, OH, United States; Comprehensive Cancer Center, The Arthur James Cancer Hospital and Research Institute, The Ohio State University, Columbus, OH, United States.
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32
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Tumor Restrictions to Oncolytic Virus. Biomedicines 2014; 2:163-194. [PMID: 28548066 PMCID: PMC5423468 DOI: 10.3390/biomedicines2020163] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 03/17/2014] [Accepted: 03/28/2014] [Indexed: 02/06/2023] Open
Abstract
Oncolytic virotherapy has advanced since the days of its conception but therapeutic efficacy in the clinics does not seem to reach the same level as in animal models. One reason is premature oncolytic virus clearance in humans, which is a reasonable assumption considering the immune-stimulating nature of the oncolytic agents. However, several studies are beginning to reveal layers of restriction to oncolytic virotherapy that are present before an adaptive neutralizing immune response. Some of these barriers are present constitutively halting infection before it even begins, whereas others are raised by minute cues triggered by virus infection. Indeed, we and others have noticed that delivering viruses to tumors may not be the biggest obstacle to successful therapy, but instead the physical make-up of the tumor and its capacity to mount antiviral defenses seem to be the most important efficacy determinants. In this review, we summarize the constitutive and innate barriers to oncolytic virotherapy and discuss strategies to overcome them.
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33
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Ilkow CS, Swift SL, Bell JC, Diallo JS. From scourge to cure: tumour-selective viral pathogenesis as a new strategy against cancer. PLoS Pathog 2014; 10:e1003836. [PMID: 24453963 PMCID: PMC3894191 DOI: 10.1371/journal.ppat.1003836] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Tumour mutations corrupt cellular pathways, and accumulate to disrupt, dysregulate, and ultimately avoid mechanisms of cellular control. Yet the very changes that tumour cells undergo to secure their own growth success also render them susceptible to viral infection. Enhanced availability of surface receptors, disruption of antiviral sensing, elevated metabolic activity, disengagement of cell cycle controls, hyperactivation of mitogenic pathways, and apoptotic avoidance all render the malignant cell environment highly supportive to viral replication. The therapeutic use of oncolytic viruses (OVs) with a natural tropism for infecting and subsequently lysing tumour cells is a rapidly progressing area of cancer research. While many OVs exhibit an inherent degree of tropism for transformed cells, this can be further promoted through pharmacological interventions and/or the introduction of viral mutations that generate recombinant oncolytic viruses adapted to successfully replicate only in a malignant cellular environment. Such adaptations that augment OV tumour selectivity are already improving the therapeutic outlook for cancer, and there remains tremendous untapped potential for further innovation.
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Affiliation(s)
- Carolina S. Ilkow
- Centre for Innovative Cancer Therapeutics, Ottawa Health Research Institute, Ottawa, Ontario, Canada
| | | | - John C. Bell
- Centre for Innovative Cancer Therapeutics, Ottawa Health Research Institute, Ottawa, Ontario, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario, Canada
- * E-mail:
| | - Jean-Simon Diallo
- Centre for Innovative Cancer Therapeutics, Ottawa Health Research Institute, Ottawa, Ontario, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario, Canada
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Abstract
Early-stage clinical trials of oncolytic virotherapy have reported the safety of several virus platforms, and viruses from three families have progressed to advanced efficacy trials. In addition, preclinical studies have established proof-of-principle for many new genetic engineering strategies. Thus, the virotherapy field now has available a diverse collection of viruses that are equipped to address unmet clinical needs owing to improved systemic administration, greater tumour specificity and enhanced oncolytic efficacy. The current key challenge for the field is to develop viruses that replicate with greater efficiency within tumours while achieving therapeutic synergy with currently available treatments.
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Affiliation(s)
- Tanner S Miest
- 1] Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA. [2] Virology and Gene Therapy Track, Mayo Graduate School, Rochester, Minnesota 55905, USA
| | - Roberto Cattaneo
- 1] Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA. [2] Virology and Gene Therapy Track, Mayo Graduate School, Rochester, Minnesota 55905, USA
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35
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Model-based rational design of an oncolytic virus with improved therapeutic potential. Nat Commun 2013; 4:1974. [PMID: 23764612 DOI: 10.1038/ncomms2974] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 05/08/2013] [Indexed: 12/13/2022] Open
Abstract
Oncolytic viruses are complex biological agents that interact at multiple levels with both tumour and normal tissues. Antiviral pathways induced by interferon are known to have a critical role in determining tumour cell sensitivity and normal cell resistance to infection with oncolytic viruses. Here we pursue a synthetic biology approach to identify methods that enhance antitumour activity of oncolytic viruses through suppression of interferon signalling. On the basis of the mathematical analysis of multiple strategies, we hypothesize that a positive feedback loop, established by virus-mediated expression of a soluble interferon-binding decoy receptor, increases tumour cytotoxicity without compromising normal cells. Oncolytic rhabdoviruses engineered to express a secreted interferon antagonist have improved oncolytic potential in cellular cancer models, and display improved therapeutic potential in tumour-bearing mice. Our results demonstrate the potential of this methodology in evaluating potential caveats of viral immune-evasion strategies and improving the design oncolytic viruses.
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36
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Measles virus entry through the signaling lymphocyte activation molecule governs efficacy of mantle cell lymphoma radiovirotherapy. Mol Ther 2013; 21:2019-31. [PMID: 23913184 DOI: 10.1038/mt.2013.171] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 06/22/2013] [Indexed: 12/13/2022] Open
Abstract
We developed here a vaccine-identical measles virus (MV) as an oncolytic agent against mantle cell lymphoma (MCL), an aggressive B-cell non-Hodgkin's lymphoma that is difficult to cure but radiosensitive. We armed the virus with the sodium-iodide symporter, which concentrates iodide within infected cells enabling noninvasive imaging and combination radiovirotherapy. Through high-resolution in vivo and ex vivo imaging, we visualized the spread of infections in primary and metastatic tumors for over 2 weeks after therapy, documenting homogeneous virus seeding and spread restricted to perfused tissue. Infection of metastases was more rapid and intense than primary tumors, achieving isotope uptake within about threefold the efficiency of the thyroid. Virotherapy combined with systemic (131)I resulted in more rapid disease regression than either therapy alone. In addition to ubiquitous CD46, vaccine MV retains cell entry through its immune cell-specific receptor signaling lymphocytic activation molecule (SLAM). We asked whether both receptors could sustain effective oncolysis of MCL. Strikingly, only SLAM-dependent entry sustained efficient viral spread, tumor regression, and prolonged survival. These observations shift the focus of future clinical trials to SLAM-expressing hematologic malignancies and suggest that oncolytic vectors may depend on tissue-specific receptors for both cell entry and activation of responses assisting their replication.
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Dey M, Auffinger B, Lesniak MS, Ahmed AU. Antiglioma oncolytic virotherapy: unattainable goal or a success story in the making? Future Virol 2013; 8:675-693. [PMID: 24910708 DOI: 10.2217/fvl.13.47] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Initial observations from as early as the mid-1800s suggested that patients suffering from hematological malignancies would transiently go into remission upon naturally contracting viral infections laid the foundation for the oncolytic virotherapy research field. Since then, research focusing on anticancer oncolytic virotherapy has rapidly evolved. Today, oncolytic viral vectors have been engineered to stimulate and manipulate the host immune system, selectively targeting tumor tissues while sparing non-neoplastic cells. Glioblastoma multiforme, the most common adult primary brain tumor, has a disasterous history. It is one of the most deadly cancers known to humankind. Over the last century our understanding of this disease has grown exponentially. However, the median survival of patients suffering from this disease has only been extended by a few months. Even with the best, most aggressive modern therapeutic approaches available, malignant gliomas are still virtually 100% fatal. Motivated by the desperate need to find effective treatment strategies, more investments have been applied to oncolytic virotherapy preclinical and clinical studies. In this review we will discuss the antiglioma oncolytic virotherapy research field. We will survey its history and the principles laid down to serve as basis for preclinical works. We will also debate the variety of viral vectors used, their clinical applications, the lessons learned from clinical trials and possible future directions.
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Affiliation(s)
- Mahua Dey
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
| | - Brenda Auffinger
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
| | - Maciej S Lesniak
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
| | - Atique U Ahmed
- The Brain Tumor Center, The University of Chicago Pritzker School of Medicine, 5841 South Maryland Avenue, MC 3026, Chicago, IL 60637, USA
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38
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Noll M, Berchtold S, Lampe J, Malek NP, Bitzer M, Lauer UM. Primary resistance phenomena to oncolytic measles vaccine viruses. Int J Oncol 2013; 43:103-12. [PMID: 23612727 DOI: 10.3892/ijo.2013.1914] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 03/22/2013] [Indexed: 11/06/2022] Open
Abstract
Measles vaccine virus (MeV) has been shown to possess profound oncolytic capabilities. However, tumor cell resistance to MeV may endanger broad clinical success. Here, this hypothesis is underlined by our analysis of the NCI-60 tumor cell panel infected with a suicide gene-armed MeV vector (MeV-SCD). Quantification of the MeV-SCD-induced oncolytic effect exhibited a 50% rate of NCI-60 solid tumor cell lines being susceptible to MeV-SCD induced oncolysis. In contrast, nearly 40% of the NCI-60 tumor cell lines had to be categorized as partially resistant (exhibiting 50-75% remnant tumor cells) and six tumor cell lines even showed high resistance to MeV-SCD-induced oncolysis with remnant tumor cell masses >75%. According to our further analysis, these high-grade resistant tumor cell lines i) exhibited a high variation in primary infectability rates and also different patterns of alterations ii) in virus replication and iii) in interferon response. This diversity of virotherapy resistance phenomena seems to go along with the diversity of genetic and epigenetic changes accompanying malignant transformation. Of paramount clinical importance, this plethora of resistance phenomena was shown to be overcome in vitro by employment of an increased MOI together with addition of the prodrug 5-FC, thus exploiting the highly efficient suicide gene function of vector MeV-SCD used in this study.
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Affiliation(s)
- Markus Noll
- Department of Internal Medicine I, University Hospital Tübingen, D-72076 Tübingen, Germany
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39
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Msaouel P, Iankov ID, Dispenzieri A, Galanis E. Attenuated oncolytic measles virus strains as cancer therapeutics. Curr Pharm Biotechnol 2013; 13:1732-41. [PMID: 21740361 DOI: 10.2174/138920112800958896] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Accepted: 09/18/2010] [Indexed: 12/18/2022]
Abstract
Attenuated measles virus vaccine strains have emerged as a promising oncolytic vector platform, having shown significant anti-tumor activity against a broad range of malignant neoplasms. Measles virus strains derived from the attenuated Edmonston-B (MV-Edm) vaccine lineage have been shown to selectively infect, replicate in and lyse cancer cells while causing minimal cytopathic effect on normal tissues. This review summarizes the preclinical data that led to the rapid clinical translation of oncolytic measles vaccine strains and provides an overview of early clinical data using this oncolytic platform. Furthermore, novel approaches currently under development to further enhance the oncolytic efficacy of MV-Edm strains, including strategies to circumvent immunity or modulate immune system responses, combinatorial approaches with standard treatment modalities, virus retargeting as well as strategies for in vivo monitoring of viral replication are discussed.
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Affiliation(s)
- P Msaouel
- Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
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40
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Msaouel P, Opyrchal M, Domingo Musibay E, Galanis E. Oncolytic measles virus strains as novel anticancer agents. Expert Opin Biol Ther 2013; 13:483-502. [PMID: 23289598 DOI: 10.1517/14712598.2013.749851] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Replication-competent oncolytic measles virus (MV) strains preferentially infect and destroy a wide variety of cancer tissues. Clinical translation of engineered attenuated MV vaccine derivatives is demonstrating the therapeutic potential and negligible pathogenicity of these strains in humans. AREAS COVERED The present review summarizes the mechanisms of MV tumor selectivity and cytopathic activity as well as the current data on the oncolytic efficacy and preclinical testing of MV strains. Investigational strategies to reprogram MV selectivity, escape antiviral immunity and modulate the immune system to enhance viral delivery and tumor oncolysis are also discussed. EXPERT OPINION Clinical viral kinetic data derived from noninvasive monitoring of reporter transgene expression will guide future protocols to enhance oncolytic MV efficacy. Anti-measles immunity is a major challenge of measles-based therapeutics and various strategies are being investigated to modulate immunity. These include the combination of MV therapy with immunosuppressive drugs, such as cyclophosphamide, the use of cell carriers and the introduction of immunomodulatory transgenes and wild-type virulence genes. Available MV retargeting technologies can address safety considerations that may arise as more potent oncolytic MV vectors are being developed.
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Affiliation(s)
- Pavlos Msaouel
- Albert Einstein College of Medicine, Jacobi Medical Center, Department of Internal Medicine, Bronx, NY, USA
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Donnelly OG, Errington-Mais F, Steele L, Hadac E, Jennings V, Scott K, Peach H, Phillips RM, Bond J, Pandha H, Harrington K, Vile R, Russell S, Selby P, Melcher AA. Measles virus causes immunogenic cell death in human melanoma. Gene Ther 2013; 20:7-15. [PMID: 22170342 PMCID: PMC3378495 DOI: 10.1038/gt.2011.205] [Citation(s) in RCA: 134] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2011] [Revised: 11/11/2011] [Accepted: 11/21/2011] [Indexed: 12/25/2022]
Abstract
Oncolytic viruses (OV) are promising treatments for cancer, with several currently undergoing testing in randomised clinical trials. Measles virus (MV) has not yet been tested in models of human melanoma. This study demonstrates the efficacy of MV against human melanoma. It is increasingly recognised that an essential component of therapy with OV is the recruitment of host antitumour immune responses, both innate and adaptive. MV-mediated melanoma cell death is an inflammatory process, causing the release of inflammatory cytokines including type-1 interferons and the potent danger signal HMGB1. Here, using human in vitro models, we demonstrate that MV enhances innate antitumour activity, and that MV-mediated melanoma cell death is capable of stimulating a melanoma-specific adaptive immune response.
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Affiliation(s)
- O G Donnelly
- Leeds Institute for Molecular Medicine, University of Leeds, Leeds, UK
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Zhang SC, Cai WS, Zhang Y, Jiang KL, Zhang KR, Wang WL. Engineered measles virus Edmonston strain used as a novel oncolytic viral system against human neuroblastoma through a CD46 and nectin 4-independent pathway. Cancer Lett 2012; 325:227-37. [PMID: 22796607 DOI: 10.1016/j.canlet.2012.07.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2012] [Revised: 07/04/2012] [Accepted: 07/04/2012] [Indexed: 10/28/2022]
Abstract
Neuroblastoma (NB) is the most common extracranial solid tumor in children. In this study, we investigated the potential antitumor capability of the engineered Edmonston strain of the carcinoembryonic antigen-expressing measles virus (MV-CEA) against human NB. The infection of a variety of NB cell lines, including SK-N-SH, SMS-KCNR, and primary NB cells, resulted in significant cytopathic effects. None of the NB cell lines showed an overexpression of the measles virus receptor CD46 and nectin 4, but the cell lines did support robust viral replication. The efficacy of this approach was examined in murine SK-N-SH xenograft models. Flow cytometry and TUNEL assays indicated an apoptotic mechanism of cell death. In summary, MV-CEA has potent therapeutic efficacy against NB mediated by a CD46- and nectin 4-independent pathway.
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Affiliation(s)
- Shu-Cheng Zhang
- Department of Pediatric Surgery, Major Laboratory of the Chinese Health Ministry for Congenital Malformations, Shengjing Hospital of China Medical University, Heping District, Shenyang, PR China
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Zhang SC, Wang WL, Cai WS, Jiang KL, Yuan ZW. Engineered measles virus Edmonston strain used as a novel oncolytic viral system against human hepatoblastoma. BMC Cancer 2012; 12:427. [PMID: 23009685 PMCID: PMC3488522 DOI: 10.1186/1471-2407-12-427] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2012] [Accepted: 09/23/2012] [Indexed: 12/26/2022] Open
Abstract
Background Hepatoblastoma (HB) is the most common primary, malignant pediatric liver tumor in children. The treatment results for affected children have markedly improved in recent decades. However, the prognosis for high-risk patients who have extrahepatic extensions, invasion of the large hepatic veins, distant metastases and very high alpha-fetoprotein (AFP) serum levels remains poor. There is an urgent need for the development of novel therapeutic approaches. Methods An attenuated strain of measles virus, derived from the Edmonston vaccine lineage, was genetically engineered to produce carcinoembryonic antigen (CEA). We investigated the antitumor potential of this novel viral agent against human HB both in vitro and in vivo. Results Infection of the Hep2G and HUH6 HB cell lines, at multiplicities of infection (MOIs) ranging from 0.01 to 1, resulted in a significant cytopathic effect consisting of extensive syncytia formation and massive cell death at 72–96 h after infection. Both of the HB lines overexpressed the measles virus receptor CD46 and supported robust viral replication, which correlated with CEA production. The efficacy of this approach in vivo was examined in murine Hep2G xenograft models. Flow cytometry assays indicated an apoptotic mechanism of cell death. Intratumoral administration of MV-CEA resulted in statistically significant delay of tumor growth and prolongation of survival. Conclusions The engineered measles virus Edmonston strain MV-CEA has potent therapeutic efficacy against HB cell lines and xenografts. Trackable measles virus derivatives merit further exploration in HB treatment.
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Affiliation(s)
- Shu-Cheng Zhang
- Department of Pediatric Surgery, Major Laboratory of Chinese Health Ministry for Congenital Malformations, Shengjing Hospital of China Medical University, 36 Sanhao Street Heping District, Shenyang 110004, P.R. China.
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Abstract
Oncolytic virotherapy is an emerging treatment modality that uses replication-competent viruses to destroy cancers. Recent advances include preclinical proof of feasibility for a single-shot virotherapy cure, identification of drugs that accelerate intratumoral virus propagation, strategies to maximize the immunotherapeutic action of oncolytic viruses and clinical confirmation of a critical viremic threshold for vascular delivery and intratumoral virus replication. The primary clinical milestone has been completion of accrual in a phase 3 trial of intratumoral herpes simplex virus therapy using talimogene laherparepvec for metastatic melanoma. Key challenges for the field are to select 'winners' from a burgeoning number of oncolytic platforms and engineered derivatives, to transiently suppress but then unleash the power of the immune system to maximize both virus spread and anticancer immunity, to develop more meaningful preclinical virotherapy models and to manufacture viruses with orders-of-magnitude higher yields than is currently possible.
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Systemic delivery of oncolytic viruses: hopes and hurdles. Adv Virol 2012; 2012:805629. [PMID: 22400027 PMCID: PMC3287020 DOI: 10.1155/2012/805629] [Citation(s) in RCA: 154] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2011] [Accepted: 10/18/2011] [Indexed: 02/06/2023] Open
Abstract
Despite recent advances in both surgery and chemoradiotherapy, mortality rates for advanced cancer remain high. There is a pressing need for novel therapeutic strategies; one option is systemic oncolytic viral therapy. Intravenous administration affords the opportunity to treat both the primary tumour and any metastatic deposits simultaneously. Data from clinical trials have shown that oncolytic viruses can be systemically delivered safely with limited toxicity but the results are equivocal in terms of efficacy, particularly when delivered with adjuvant chemotherapy. A key reason for this is the rapid clearance of the viruses from the circulation before they reach their targets. This phenomenon is mainly mediated through neutralising antibodies, complement activation, antiviral cytokines, and tissue-resident macrophages, as well as nonspecific uptake by other tissues such as the lung, liver and spleen, and suboptimal viral escape from the vascular compartment. A range of methods have been reported in the literature, which are designed to overcome these hurdles in preclinical models. In this paper, the potential advantages of, and obstacles to, successful systemic delivery of oncolytic viruses are discussed. The next stage of development will be the commencement of clinical trials combining these novel approaches for overcoming the barriers with systemically delivered oncolytic viruses.
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Altomonte J, Ebert O. Replicating viral vectors for cancer therapy: strategies to synergize with host immune responses. Microb Biotechnol 2011; 5:251-9. [PMID: 21923638 PMCID: PMC3815785 DOI: 10.1111/j.1751-7915.2011.00296.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Tumour‐specific replicating (oncolytic) viruses are novel anticancer agents, currently under intense investigation in preclinical studies and phase I–III clinical trials. Until recently, most studies have focused on the direct antitumour properties of these viruses. There is now an increasing body of evidence indicating that host immune responses may be critical to the efficacy of oncolytic virotherapy. Although the immune response to oncolytic viruses can rapidly restrict viral replication, thereby limiting the efficacy of therapy, oncolytic virotherapy also has the potential to induce potent antitumoural immune effectors that destroy those cancer cells, which are not directly lysed by virus. In this review, we discuss the role of the immune system in terms of antiviral and antitumoural responses, as well as strategies to evade or promote these responses in favour of improved therapeutic potentials.
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Affiliation(s)
- Jennifer Altomonte
- II. Medizinische Klinik und Poliklinik, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
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Stewart JH, Ahmed M, Northrup SA, Willingham M, Lyles DS. Vesicular stomatitis virus as a treatment for colorectal cancer. Cancer Gene Ther 2011; 18:837-49. [PMID: 21886191 DOI: 10.1038/cgt.2011.49] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
M protein mutant vesicular stomatitis virus is an attractive candidate oncolytic virus for the treatment of metastatic colorectal cancer due to its ability to kill cancer cells that are defective in their antiviral responses. The oncolytic activity of recombinant wild-type and M protein mutant vesicular stomatitis viruses was determined in RKO, Hct116 and LoVo colorectal cancer cells, as well as in human fibroblast and hepatocyte primary cultures. RKO and Hct116 cells were sensitive to both viruses, whereas LoVo cells were resistant. [(35)S]methionine labeling experiments and viral plaque assays showed that sensitive and resistant colorectal cancer cells supported viral protein and progeny production after infection with either virus. Colorectal cancer cells were pretreated with β-interferon and infected with vesicular stomatitis virus to evaluate the extent to which interferon signaling is downregulated in colorectal cancer cells. Although colorectal cancer cells retained some degree of interferon signaling, this signaling did not negatively impact the oncolytic effects of either virus in sensitive cells. Murine xenografts of RKO cells were effectively treated by intratumoral injections with M protein mutant virus, whereas LoVo xenografts were resistant to treatment with this virus. These results suggest that M protein mutant vesicular stomatitis virus is a good candidate oncolytic virus for the treatment of selected metastatic colorectal cancers.
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Affiliation(s)
- J H Stewart
- Department of Surgery, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA.
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Msaouel P, Opyrchal M, Galanis E. Translational research in oncolytic measles virotherapy: early discoveries and future steps. Future Microbiol 2011; 6:125-8. [PMID: 21366411 DOI: 10.2217/fmb.10.170] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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Lech PJ, Russell SJ. Use of attenuated paramyxoviruses for cancer therapy. Expert Rev Vaccines 2011; 9:1275-302. [PMID: 21087107 DOI: 10.1586/erv.10.124] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Paramyxoviruses, measles virus (MV), mumps virus (MuV) and Newcastle disease virus (NDV), are well known for causing measles and mumps in humans and Newcastle disease in birds. These viruses have been tamed (attenuated) and successfully used as vaccines to immunize their hosts. Remarkably, pathogenic MuV and vaccine strains of MuV, MV and NDV efficiently infect and kill cancer cells and are consequently being investigated as novel cancer therapies (oncolytic virotherapy). Phase I/II clinical trials have shown promise but treatment efficacy needs to be enhanced. Technologies being developed to increase treatment efficacy include: virotherapy in combination with immunosuppressive drugs (cyclophosphamide); retargeting of viruses to specific tumor types or tumor vasculature; using infected cell carriers to protect and deliver the virus to tumors; and genetic manipulation of the virus to increase viral spread and/or express transgenes during viral replication. Transgenes have enabled noninvasive imaging or tracking of viral gene expression and enhancement of tumor destruction.
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Affiliation(s)
- Patrycja J Lech
- Mayo Clinic, Department of Molecular Medicine, 200 1st Street SW, Rochester, MN 55905, USA.
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50
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Haralambieva IH, Ovsyannikova IG, Dhiman N, Vierkant RA, Jacobson RM, Poland GA. Differential cellular immune responses to wild-type and attenuated edmonston tag measles virus strains are primarily defined by the viral phosphoprotein gene. J Med Virol 2011; 82:1966-75. [PMID: 20872725 DOI: 10.1002/jmv.21899] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The measles virus phosphoprotein (P) gene encodes the P, V, and C proteins, which have multiple functions including type I interferon (IFN) inhibition. With a focus on viral immune modulation, we conducted a study on healthy vaccinees (n=179) to compare cytokine secretion patterns/cell frequencies and gene expression after in vitro encounter with a highly attenuated strain of measles virus (MVEdmtag), wild-type MV (MVwt) or recombinant MVEdmtag expressing the wild-type P gene (MVwtP). Cytokines were quantified by ELISA and Elispot. Gene expression profiling was performed using real-time PCR. We found differential MV-specific cytokine responses to all detected cytokines characterized by significantly higher cytokine levels (P<0.001) and higher frequencies (P<0.0001) of cytokine-producing cells after stimulation with the highly attenuated MVEdmtag strain in comparison with MVwt or MVwtP. Furthermore, gene expression profiling revealed significant cytokine suppression at the transcriptional level for viruses encoding the functional wt P gene, compared to attenuated MVEdmtag (P<0.05). Using lentivirus-mediated stable expression of P gene-encoded proteins in human cell lines, we demonstrated that the expression of the functional wt V protein significantly down-modulated the induction of IFNs type I, II, and III in lymphocytes and monocytes. Taken together our results indicate that Th1, Th2, and innate/inflammatory cytokine responses in vaccinees are suppressed both at the protein and transcriptional level by viruses expressing the functional wt P gene products. The functional P gene-encoded viral proteins (particularly V proteins) emerge as crucial immune evasion factors for modulating and shaping the measles virus-specific cytokine responses in humans.
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Affiliation(s)
- Iana H Haralambieva
- Mayo Clinic Vaccine Research Group, Mayo Clinic, Rochester, Minnesota 55905, USA
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