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Jiang H, Nace R, Ariail E, Ma Y, McGlinch E, Ferguson C, Fernandez Carrasco T, Packiriswamy N, Zhang L, Peng KW, Russell SJ. Oncolytic α-herpesvirus and myeloid-tropic cytomegalovirus cooperatively enhance systemic antitumor responses. Mol Ther 2024; 32:241-256. [PMID: 37927036 PMCID: PMC10787119 DOI: 10.1016/j.ymthe.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/17/2023] [Accepted: 11/03/2023] [Indexed: 11/07/2023] Open
Abstract
Oncolytic virotherapy aims to activate host antitumor immunity. In responsive tumors, intratumorally injected herpes simplex viruses (HSVs) have been shown to lyse tumor cells, resulting in local inflammation, enhanced tumor antigen presentation, and boosting of antitumor cytotoxic lymphocytes. In contrast to HSV, cytomegalovirus (CMV) is nonlytic and reprograms infected myeloid cells, limiting their antigen-presenting functions and protecting them from recognition by natural killer (NK) cells. Here, we show that when co-injected into mouse tumors with an oncolytic HSV, mouse CMV (mCMV) preferentially targeted tumor-associated myeloid cells, promoted the local release of proinflammatory cytokines, and enhanced systemic antitumor immune responses, leading to superior control of both injected and distant contralateral tumors. Deletion of mCMV genes m06, which degrades major histocompatibility complex class I (MHC class I), or m144, a viral MHC class I homolog that inhibits NK activation, was shown to diminish the antitumor activity of the HSV/mCMV combination. However, an mCMV recombinant lacking the m04 gene, which escorts MHC class I to the cell surface, showed superior HSV adjuvanticity. CMV is a potentially promising agent with which to reshape and enhance antitumor immune responses following oncolytic HSV therapy.
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Affiliation(s)
- Haifei Jiang
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA.
| | - Rebecca Nace
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Emily Ariail
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Yejun Ma
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Erin McGlinch
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Coryn Ferguson
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | | | | | - Lianwen Zhang
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Kah Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
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2
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Vannini A, Parenti F, Barboni C, Forghieri C, Leoni V, Sanapo M, Bressanin D, Zaghini A, Campadelli-Fiume G, Gianni T. Efficacy of Systemically Administered Retargeted Oncolytic Herpes Simplex Viruses-Clearance and Biodistribution in Naïve and HSV-Preimmune Mice. Cancers (Basel) 2023; 15:4042. [PMID: 37627072 PMCID: PMC10452237 DOI: 10.3390/cancers15164042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/27/2023] Open
Abstract
We investigated the anticancer efficacy, blood clearance, and tissue biodistribution of systemically administered retargeted oncolytic herpes simplex viruses (ReHVs) in HSV-naïve and HSV-preimmunized (HSV-IMM) mice. Efficacy was tested against lung tumors formed upon intravenous administration of cancer cells, a model of metastatic disease, and against subcutaneous distant tumors. In naïve mice, HER2- and hPSMA-retargeted viruses, both armed with mIL-12, were highly effective, even when administered to mice with well-developed tumors. Efficacy was higher for combination regimens with immune checkpoint inhibitors. A significant amount of infectious virus persisted in the blood for at least 1 h. Viral genomes, or fragments thereof, persisted in the blood and tissues for days. Remarkably, the only sites of viral replication were the lungs of tumor-positive mice and the subcutaneous tumors. No replication was detected in other tissues, strengthening the evidence of the high cancer specificity of ReHVs, a property that renders ReHVs suitable for systemic administration. In HSV-IMM mice, ReHVs administered at late times failed to exert anticancer efficacy, and the circulating virus was rapidly inactivated. Serum stability and in vivo whole blood stability assays highlighted neutralizing antibodies as the main factor in virus inactivation. Efforts to deplete mice of the neutralizing antibodies are ongoing.
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Affiliation(s)
- Andrea Vannini
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
- Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
| | - Federico Parenti
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
| | - Catia Barboni
- Department of Veterinary Medical Sciences, University of Bologna, 40126 Bologna, Italy; (C.B.); (A.Z.)
| | - Cristina Forghieri
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
| | - Valerio Leoni
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
| | - Mara Sanapo
- Animal Facility Unit, Biogem, 83031 Ariano Irpino, Italy;
| | - Daniela Bressanin
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
| | - Anna Zaghini
- Department of Veterinary Medical Sciences, University of Bologna, 40126 Bologna, Italy; (C.B.); (A.Z.)
| | - Gabriella Campadelli-Fiume
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
| | - Tatiana Gianni
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (A.V.); (F.P.); (C.F.)
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3
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Floyd W, Pierpoint M, Su C, Patel R, Luo L, Deland K, Wisdom AJ, Zhu D, Ma Y, DeWitt SB, Williams NT, Lazarides AL, Somarelli JA, Corcoran DL, Eward WC, Cardona DM, Kirsch DG. Atrx deletion impairs CGAS/STING signaling and increases sarcoma response to radiation and oncolytic herpesvirus. J Clin Invest 2023; 133:e149310. [PMID: 37200088 PMCID: PMC10313374 DOI: 10.1172/jci149310] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 05/16/2023] [Indexed: 05/20/2023] Open
Abstract
ATRX is one of the most frequently altered genes in solid tumors, and mutation is especially frequent in soft tissue sarcomas. However, the role of ATRX in tumor development and response to cancer therapies remains poorly understood. Here, we developed a primary mouse model of soft tissue sarcoma and showed that Atrx-deleted tumors were more sensitive to radiation therapy and to oncolytic herpesvirus. In the absence of Atrx, irradiated sarcomas had increased persistent DNA damage, telomere dysfunction, and mitotic catastrophe. Our work also showed that Atrx deletion resulted in downregulation of the CGAS/STING signaling pathway at multiple points in the pathway and was not driven by mutations or transcriptional downregulation of the CGAS/STING pathway components. We found that both human and mouse models of Atrx-deleted sarcoma had a reduced adaptive immune response, markedly impaired CGAS/STING signaling, and increased sensitivity to TVEC, an oncolytic herpesvirus that is currently FDA approved for the treatment of aggressive melanomas. Translation of these results to patients with ATRX-mutant cancers could enable genomically guided cancer therapy approaches to improve patient outcomes.
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Affiliation(s)
- Warren Floyd
- Department of Pharmacology and Cancer Biology, and
| | | | - Chang Su
- Department of Pharmacology and Cancer Biology, and
| | - Rutulkumar Patel
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | - Lixia Luo
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | - Katherine Deland
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | - Amy J. Wisdom
- Department of Radiation Oncology, Brigham and Women’s Hospital/Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Daniel Zhu
- Department of Pharmacology and Cancer Biology, and
| | - Yan Ma
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | | | - Nerissa T. Williams
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, USA
| | | | - Jason A. Somarelli
- Department of Sarcoma, Moffitt Cancer Center, Tampa, Florida, USA
- Duke Cancer Institute, Durham, North Carolina, USA
| | - David L. Corcoran
- Center for Genomic and Computational Biology, Duke University, Durham, North Carolina, USA
| | | | - Diana M. Cardona
- Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA
| | - David G. Kirsch
- Radiation Medicine Program, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- Department of Radiation Oncology and
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
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4
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Ottolino-Perry K, Mealiea D, Sellers C, Acuna SA, Angarita FA, Okamoto L, Scollard D, Ginj M, Reilly R, McCart JA. Vaccinia virus and peptide-receptor radiotherapy synergize to improve treatment of peritoneal carcinomatosis. Mol Ther Oncolytics 2023; 29:44-58. [PMID: 37180034 PMCID: PMC10173076 DOI: 10.1016/j.omto.2023.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 04/05/2023] [Indexed: 05/15/2023] Open
Abstract
Tumor-specific overexpression of receptors enables a variety of targeted cancer therapies, exemplified by peptide-receptor radiotherapy (PRRT) for somatostatin receptor (SSTR)-positive neuroendocrine tumors. While effective, PRRT is restricted to tumors with SSTR overexpression. To overcome this limitation, we propose using oncolytic vaccinia virus (vvDD)-mediated receptor gene transfer to permit molecular imaging and PRRT in tumors without endogenous SSTR overexpression, a strategy termed radiovirotherapy. We hypothesized that vvDD-SSTR combined with a radiolabeled somatostatin analog could be deployed as radiovirotherapy in a colorectal cancer peritoneal carcinomatosis model, producing tumor-specific radiopeptide accumulation. Following vvDD-SSTR and 177Lu-DOTATOC treatment, viral replication and cytotoxicity, as well as biodistribution, tumor uptake, and survival, were evaluated. Radiovirotherapy did not alter virus replication or biodistribution, but synergistically improved vvDD-SSTR-induced cell killing in a receptor-dependent manner and significantly increased the tumor-specific accumulation and tumor-to-blood ratio of 177Lu-DOTATOC, making tumors imageable by microSPECT/CT and causing no significant toxicity. 177Lu-DOTATOC significantly improved survival over virus alone when combined with vvDD-SSTR but not control virus. We have therefore demonstrated that vvDD-SSTR can convert receptor-negative tumors into receptor-positive tumors and facilitate molecular imaging and PRRT using radiolabeled somatostatin analogs. Radiovirotherapy represents a promising treatment strategy with potential applications in a wide range of cancers.
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Affiliation(s)
- Kathryn Ottolino-Perry
- Toronto General Research Institute, University Health Network, 200 Elizabeth Street, M5G 2C4 Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, 1 King’s College Circle, M5S 1A8 Toronto, ON, Canada
| | - David Mealiea
- Toronto General Research Institute, University Health Network, 200 Elizabeth Street, M5G 2C4 Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, 1 King’s College Circle, M5S 1A8 Toronto, ON, Canada
| | - Clara Sellers
- Toronto General Research Institute, University Health Network, 200 Elizabeth Street, M5G 2C4 Toronto, ON, Canada
| | - Sergio A. Acuna
- Toronto General Research Institute, University Health Network, 200 Elizabeth Street, M5G 2C4 Toronto, ON, Canada
| | - Fernando A. Angarita
- Toronto General Research Institute, University Health Network, 200 Elizabeth Street, M5G 2C4 Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, 1 King’s College Circle, M5S 1A8 Toronto, ON, Canada
| | - Lili Okamoto
- Institute of Medical Science, University of Toronto, 1 King’s College Circle, M5S 1A8 Toronto, ON, Canada
| | - Deborah Scollard
- STTARR, Radiation Medicine Program, Princess Margaret Hospital, UHN, 610 University Avenue, M5G 2C1 Toronto, ON, Canada
| | - Mihaela Ginj
- Institute of Medical Science, University of Toronto, 1 King’s College Circle, M5S 1A8 Toronto, ON, Canada
| | - Raymond Reilly
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, M5S 3M2 Toronto, ON, Canada
| | - J. Andrea McCart
- Toronto General Research Institute, University Health Network, 200 Elizabeth Street, M5G 2C4 Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, 1 King’s College Circle, M5S 1A8 Toronto, ON, Canada
- Department of Surgery, Mount Sinai Hospital and University of Toronto, 600 University Avenue, M5G 1X5 Toronto, ON, Canada
- Corresponding author: Dave Mealiea, Room 1225, Mount Sinai Hospital, 600 University Avenue, Toronto, ON M5G 1X5, Canada.
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5
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Spellerberg R, Benli-Hoppe T, Kitzberger C, Berger S, Schmohl KA, Schwenk N, Yen HY, Zach C, Schilling F, Weber WA, Kälin RE, Glass R, Nelson PJ, Wagner E, Spitzweg C. Selective sodium iodide symporter ( NIS) genetherapy of glioblastoma mediatedby EGFR-targeted lipopolyplexes. Mol Ther Oncolytics 2021; 23:432-446. [PMID: 34853814 PMCID: PMC8604759 DOI: 10.1016/j.omto.2021.10.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 10/11/2021] [Accepted: 10/26/2021] [Indexed: 12/18/2022] Open
Abstract
Lipo-oligomers, post-functionalized with ligands to enhance targeting, represent promising new vehicles for the tumor-specific delivery of therapeutic genes such as the sodium iodide symporter (NIS). Due to its iodide trapping activity, NIS is a powerful theranostic tool for diagnostic imaging and the application of therapeutic radionuclides. 124I PET imaging allows non-invasive monitoring of the in vivo biodistribution of functional NIS expression, and application of 131I enables cytoreduction. In our experimental design, we used epidermal growth factor receptor (EGFR)-targeted polyplexes (GE11) initially characterized in vitro using 125I uptake assays. Mice bearing an orthotopic glioblastoma were treated subsequently with mono-dibenzocyclooctyne (DBCO)-PEG24-GE11/NIS or bisDBCO-PEG24-GE11/NIS, and 24-48 h later, 124I uptake was assessed by positron emission tomography (PET) imaging. The best-performing polyplex in the imaging studies was then selected for 131I therapy studies. The in vitro studies showed EGFR-dependent and NIS-specific transfection efficiency of the polyplexes. The injection of monoDBCO-PEG24-GE11/NIS polyplexes 48 h before 124I application was characterized to be the optimal regime in the imaging studies and was therefore used for an 131I therapy study, showing a significant decrease in tumor growth and a significant extension of survival in the therapy group. These studies demonstrate the potential of EGFR-targeted polyplex-mediated NIS gene therapy as a new strategy for the therapy of glioblastoma.
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Affiliation(s)
- Rebekka Spellerberg
- Department of Internal Medicine IV, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Teoman Benli-Hoppe
- Pharmaceutical Biotechnology, Department of Pharmacy, LMU Munich, 81377 Munich, Germany
| | - Carolin Kitzberger
- Department of Internal Medicine IV, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Simone Berger
- Pharmaceutical Biotechnology, Department of Pharmacy, LMU Munich, 81377 Munich, Germany
| | - Kathrin A Schmohl
- Department of Internal Medicine IV, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Nathalie Schwenk
- Department of Internal Medicine IV, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Hsi-Yu Yen
- Institute of Pathology, School of Medicine, Technical University of Munich, 81675 Munich, Germany
| | - Christian Zach
- Department of Nuclear Medicine, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Franz Schilling
- Department of Nuclear Medicine, School of Medicine, Klinikum rechts der Isar, Technical University Munich, 81675 Munich, Germany
| | - Wolfgang A Weber
- Department of Nuclear Medicine, School of Medicine, Klinikum rechts der Isar, Technical University Munich, 81675 Munich, Germany
| | - Roland E Kälin
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, 81377 Munich, Germany.,Walter Brendel Center of Experimental Medicine, Faculty of Medicine, LMU Munich, 81377 Munich, Germany
| | - Rainer Glass
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, 81377 Munich, Germany.,Walter Brendel Center of Experimental Medicine, Faculty of Medicine, LMU Munich, 81377 Munich, Germany.,German Cancer Consortium (DKTK), partner site 80336 Munich and German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Peter J Nelson
- Department of Internal Medicine IV, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Ernst Wagner
- Pharmaceutical Biotechnology, Department of Pharmacy, LMU Munich, 81377 Munich, Germany
| | - Christine Spitzweg
- Department of Internal Medicine IV, University Hospital, LMU Munich, 81377 Munich, Germany.,Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, MN 55905, USA
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6
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The Evolution and Future of Targeted Cancer Therapy: From Nanoparticles, Oncolytic Viruses, and Oncolytic Bacteria to the Treatment of Solid Tumors. NANOMATERIALS 2021; 11:nano11113018. [PMID: 34835785 PMCID: PMC8623458 DOI: 10.3390/nano11113018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 02/07/2023]
Abstract
While many classes of chemotherapeutic agents exist to treat solid tumors, few can generate a lasting response without substantial off-target toxicity despite significant scientific advancements and investments. In this review, the paths of development for nanoparticles, oncolytic viruses, and oncolytic bacteria over the last 20 years of research towards clinical translation and acceptance as novel cancer therapeutics are compared. Novel nanoparticle, oncolytic virus, and oncolytic bacteria therapies all start with a common goal of accomplishing therapeutic drug activity or delivery to a specific site while avoiding off-target effects, with overlapping methodology between all three modalities. Indeed, the degree of overlap is substantial enough that breakthroughs in one therapeutic could have considerable implications on the progression of the other two. Each oncotherapeutic modality has accomplished clinical translation, successfully overcoming the potential pitfalls promising therapeutics face. However, once studies enter clinical trials, the data all but disappears, leaving pre-clinical researchers largely in the dark. Overall, the creativity, flexibility, and innovation of these modalities for solid tumor treatments are greatly encouraging, and usher in a new age of pharmaceutical development.
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7
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Concilio SC, Russell SJ, Peng KW. A brief review of reporter gene imaging in oncolytic virotherapy and gene therapy. Mol Ther Oncolytics 2021; 21:98-109. [PMID: 33981826 PMCID: PMC8065251 DOI: 10.1016/j.omto.2021.03.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Reporter gene imaging (RGI) can accelerate development timelines for gene and viral therapies by facilitating rapid and noninvasive in vivo studies to determine the biodistribution, magnitude, and durability of viral gene expression and/or virus infection. Functional molecular imaging systems used for this purpose can be divided broadly into deep-tissue and optical modalities. Deep-tissue modalities, which can be used in animals of any size as well as in human subjects, encompass single photon emission computed tomography (SPECT), positron emission tomography (PET), and functional/molecular magnetic resonance imaging (f/mMRI). Optical modalities encompass fluorescence, bioluminescence, Cerenkov luminescence, and photoacoustic imaging and are suitable only for small animal imaging. Here we discuss the mechanisms of action and relative merits of currently available reporter gene systems, highlighting the strengths and weaknesses of deep tissue versus optical imaging systems and the hardware/reagents that are used for data capture and processing. In light of recent technological advances, falling costs of imaging instruments, better availability of novel radioactive and optical tracers, and a growing realization that RGI can give invaluable insights across the entire in vivo translational spectrum, the approach is becoming increasingly essential to facilitate the competitive development of new virus- and gene-based drugs.
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Affiliation(s)
| | | | - Kah-Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
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8
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Briolay T, Petithomme T, Fouet M, Nguyen-Pham N, Blanquart C, Boisgerault N. Delivery of cancer therapies by synthetic and bio-inspired nanovectors. Mol Cancer 2021; 20:55. [PMID: 33761944 PMCID: PMC7987750 DOI: 10.1186/s12943-021-01346-2] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/05/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND As a complement to the clinical development of new anticancer molecules, innovations in therapeutic vectorization aim at solving issues related to tumor specificity and associated toxicities. Nanomedicine is a rapidly evolving field that offers various solutions to increase clinical efficacy and safety. MAIN: Here are presented the recent advances for different types of nanovectors of chemical and biological nature, to identify the best suited for translational research projects. These nanovectors include different types of chemically engineered nanoparticles that now come in many different flavors of 'smart' drug delivery systems. Alternatives with enhanced biocompatibility and a better adaptability to new types of therapeutic molecules are the cell-derived extracellular vesicles and micro-organism-derived oncolytic viruses, virus-like particles and bacterial minicells. In the first part of the review, we describe their main physical, chemical and biological properties and their potential for personalized modifications. The second part focuses on presenting the recent literature on the use of the different families of nanovectors to deliver anticancer molecules for chemotherapy, radiotherapy, nucleic acid-based therapy, modulation of the tumor microenvironment and immunotherapy. CONCLUSION This review will help the readers to better appreciate the complexity of available nanovectors and to identify the most fitting "type" for efficient and specific delivery of diverse anticancer therapies.
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Affiliation(s)
- Tina Briolay
- Université de Nantes, Inserm, CRCINA, F-44000, Nantes, France
| | | | - Morgane Fouet
- Université de Nantes, Inserm, CRCINA, F-44000, Nantes, France
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9
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Robertson MG, Eidenschink BB, Iguchi E, Zakharkin SO, LaRocca CJ, Tolosa EJ, Truty MJ, Jacobsen K, Fernandez-Zapico ME, Davydova J. Cancer imaging and therapy utilizing a novel NIS-expressing adenovirus: The role of adenovirus death protein deletion. MOLECULAR THERAPY-ONCOLYTICS 2021; 20:659-668. [PMID: 33816784 PMCID: PMC7985464 DOI: 10.1016/j.omto.2021.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 03/01/2021] [Indexed: 12/30/2022]
Abstract
Encoding the sodium iodide symporter (NIS) by an adenovirus (Ad) is a promising strategy to facilitate non-invasive imaging and radiotherapy of pancreatic cancer. However, insufficient levels of NIS expression in tumor cells have limited its clinical translation. To optimize Ad-based radiotherapy and imaging, we investigated the effect of Ad death protein (ADP) deletion on NIS expression. We cloned two sets of oncolytic NIS-expressing Ads that differed only in the presence or absence of ADP. We found that ADP expression negatively affected NIS membrane localization and inhibited radiotracer uptake. ADP deletion significantly improved NIS-based imaging in pancreatic cancer models including patient-derived xenografts, where effective imaging was possible for up to 6 weeks after a single virus injection. This study demonstrates that improved oncolysis may hinder the therapeutic effect of oncolytic viruses designed to express NIS. In vivo studies in combination with 131I showed potential for effective radiotherapy. This also highlights the need for further investigation into optimal timing of 131I administration and suggests that repeated doses of 131I should be considered to improve efficacy in clinical trials. We conclude that ADP deletion is essential for effective NIS-based theranostics in cancer.
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Affiliation(s)
| | - Benjamin Bruce Eidenschink
- Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA.,School of Medicine, University of Missouri at Kansas City, MO 64110, USA
| | - Eriko Iguchi
- Schulze Center for Novel Therapeutics, Division of Oncology Research, Mayo Clinic, Rochester, MN 55905, USA.,Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | | | | | - Ezequiel J Tolosa
- Schulze Center for Novel Therapeutics, Division of Oncology Research, Mayo Clinic, Rochester, MN 55905, USA
| | - Mark J Truty
- Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - Kari Jacobsen
- Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA
| | - Martin E Fernandez-Zapico
- Schulze Center for Novel Therapeutics, Division of Oncology Research, Mayo Clinic, Rochester, MN 55905, USA
| | - Julia Davydova
- Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA.,Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA
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10
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Moaven O, W Mangieri C, A Stauffer J, Anastasiadis PZ, Borad MJ. Evolving Role of Oncolytic Virotherapy: Challenges and Prospects in Clinical Practice. JCO Precis Oncol 2021; 5:PO.20.00395. [PMID: 34250386 DOI: 10.1200/po.20.00395] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/04/2021] [Accepted: 01/27/2021] [Indexed: 12/23/2022] Open
Abstract
Selective oncotropism and cytolytic activity against tumors have made certain viruses subject to investigation as novel treatment modalities. However, monotherapy with oncolytic viruses (OVs) has shown limited success and modest clinical benefit. The capacity to genetically engineer OVs makes them a desirable platform to design complementary treatment modalities to overcome the existing treatment options' shortcomings. In recent years, our knowledge of interactions of the tumors with the immune system has expanded profoundly. There is a growing body of literature supporting immunomodulatory roles for OVs. The concept of bioengineering these platforms to induce the desired immune response and complement the current immunotherapeutic modalities to make immune-resistant tumors responsive to immunotherapy is under investigation in preclinical and early clinical trials. This review provides an overview of attempts to optimize oncolytic virotherapy as essential components of the multimodality anticancer therapeutic approach and discusses the challenges in translation to clinical practice.
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Affiliation(s)
- Omeed Moaven
- Section of Surgical Oncology, Department of Surgery, Mayo Clinic Florida, Jacksonville, FL
| | - Christopher W Mangieri
- Section of Surgical Oncology, Department of Surgery, Wake Forest University, Winston-Salem, NC
| | - John A Stauffer
- Section of Surgical Oncology, Department of Surgery, Mayo Clinic Florida, Jacksonville, FL
| | | | - Mitesh J Borad
- Division of Medical Oncology, Department of Medicine, Mayo Clinic Arizona, Scottsdale, AZ
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11
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Zhang B, Cheng P. Improving antitumor efficacy via combinatorial regimens of oncolytic virotherapy. Mol Cancer 2020; 19:158. [PMID: 33172438 PMCID: PMC7656670 DOI: 10.1186/s12943-020-01275-6] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/22/2020] [Indexed: 02/07/2023] Open
Abstract
As a promising therapeutic strategy, oncolytic virotherapy has shown potent anticancer efficacy in numerous pre-clinical and clinical trials. Oncolytic viruses have the capacity for conditional-replication within carcinoma cells leading to cell death via multiple mechanisms, including direct lysis of neoplasms, induction of immunogenic cell death, and elicitation of innate and adaptive immunity. In addition, these viruses can be engineered to express cytokines or chemokines to alter tumor microenvironments. Combination of oncolytic virotherapy with other antitumor therapeutic modalities, such as chemotherapy and radiation therapy as well as cancer immunotherapy can be used to target a wider range of tumors and promote therapeutic efficacy. In this review, we outline the basic biological characteristics of oncolytic viruses and the underlying mechanisms that support their use as promising antitumor drugs. We also describe the enhanced efficacy attributed to virotherapy combined with other drugs for the treatment of cancer.
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Affiliation(s)
- Bin Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, 17 People's South Road, Chengdu, 610041, PR China
| | - Ping Cheng
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, 17 People's South Road, Chengdu, 610041, PR China.
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12
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Hromic-Jahjefendic A, Lundstrom K. Viral Vector-Based Melanoma Gene Therapy. Biomedicines 2020; 8:E60. [PMID: 32187995 PMCID: PMC7148454 DOI: 10.3390/biomedicines8030060] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/10/2020] [Accepted: 03/11/2020] [Indexed: 02/06/2023] Open
Abstract
Gene therapy applications of oncolytic viruses represent an attractive alternative for cancer treatment. A broad range of oncolytic viruses, including adenoviruses, adeno-associated viruses, alphaviruses, herpes simplex viruses, retroviruses, lentiviruses, rhabdoviruses, reoviruses, measles virus, Newcastle disease virus, picornaviruses and poxviruses, have been used in diverse preclinical and clinical studies for the treatment of various diseases, including colon, head-and-neck, prostate and breast cancer as well as squamous cell carcinoma and glioma. The majority of studies have focused on immunotherapy and several drugs based on viral vectors have been approved. However, gene therapy for malignant melanoma based on viral vectors has not been utilized to its full potential yet. This review represents a summary of the achievements of preclinical and clinical studies using viral vectors, with the focus on malignant melanoma.
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Affiliation(s)
- Altijana Hromic-Jahjefendic
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, International University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina;
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13
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Tutter M, Schug C, Schmohl KA, Urnauer S, Schwenk N, Petrini M, Lokerse WJM, Zach C, Ziegler S, Bartenstein P, Weber WA, Wagner E, Lindner LH, Nelson PJ, Spitzweg C. Effective control of tumor growth through spatial and temporal control of theranostic sodium iodide symporter ( NIS) gene expression using a heat-inducible gene promoter in engineered mesenchymal stem cells. Am J Cancer Res 2020; 10:4490-4506. [PMID: 32292510 PMCID: PMC7150485 DOI: 10.7150/thno.41489] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 02/11/2020] [Indexed: 02/07/2023] Open
Abstract
Purpose: The tumor homing characteristics of mesenchymal stem cells (MSCs) make them attractive vehicles for the tumor-specific delivery of therapeutic agents, such as the sodium iodide symporter (NIS). NIS is a theranostic protein that allows non-invasive monitoring of the in vivo biodistribution of functional NIS expression by radioiodine imaging as well as the therapeutic application of 131I. To gain local and temporal control of transgene expression, and thereby improve tumor selectivity, we engineered MSCs to express the NIS gene under control of a heat-inducible HSP70B promoter (HSP70B-NIS-MSCs). Experimental Design: NIS induction in heat-treated HSP70B-NIS-MSCs was verified by 125I uptake assay, RT-PCR, Western blot and immunofluorescence staining. HSP70B-NIS-MSCs were then injected i.v. into mice carrying subcutaneous hepatocellular carcinoma HuH7 xenografts, and hyperthermia (1 h at 41°C) was locally applied to the tumor. 0 - 72 h later radioiodine uptake was assessed by 123I-scintigraphy. The most effective uptake regime was then selected for 131I therapy. Results: The HSP70B promoter showed low basal activity in vitro and was significantly induced in response to heat. In vivo, the highest tumoral iodine accumulation was seen 12 h after application of hyperthermia. HSP70B-NIS-MSC-mediated 131I therapy combined with hyperthermia resulted in a significantly reduced tumor growth with prolonged survival as compared to control groups. Conclusions: The heat-inducible HSP70B promoter allows hyperthermia-induced spatial and temporal control of MSC-mediated theranostic NIS gene radiotherapy with efficient tumor-selective and temperature-dependent accumulation of radioiodine in heat-treated tumors.
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14
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Lundstrom K. New frontiers in oncolytic viruses: optimizing and selecting for virus strains with improved efficacy. Biologics 2018; 12:43-60. [PMID: 29445265 PMCID: PMC5810530 DOI: 10.2147/btt.s140114] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Oncolytic viruses have demonstrated selective replication and killing of tumor cells. Different types of oncolytic viruses – adenoviruses, alphaviruses, herpes simplex viruses, Newcastle disease viruses, rhabdoviruses, Coxsackie viruses, and vaccinia viruses – have been applied as either naturally occurring or engineered vectors. Numerous studies in animal-tumor models have demonstrated substantial tumor regression and prolonged survival rates. Moreover, clinical trials have confirmed good safety profiles and therapeutic efficacy for oncolytic viruses. Most encouragingly, the first cancer gene-therapy drug – Gendicine, based on oncolytic adenovirus type 5 – was approved in China. Likewise, a second-generation oncolytic herpes simplex virus-based drug for the treatment of melanoma has been registered in the US and Europe as talimogene laherparepvec.
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15
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Wu ZJ, Tang FR, Ma ZW, Peng XC, Xiang Y, Zhang Y, Kang J, Ji J, Liu XQ, Wang XW, Xin HW, Ren BX. Oncolytic Viruses for Tumor Precision Imaging and Radiotherapy. Hum Gene Ther 2018; 29:204-222. [PMID: 29179583 DOI: 10.1089/hum.2017.189] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In 2003 in China, Peng et al. invented the recombinant adenovirus expressing p53 (Gendicine) for clinical tumor virotherapy. This was the first clinically approved gene therapy and tumor virotherapy drug in the world. An oncolytic herpes simplex virus expressing granulocyte-macrophage colony-stimulating factor (Talimogene laherparepvec) was approved for melanoma treatment in the United States in 2015. Since then, oncolytic viruses have been attracting more and more attention in the field of oncology, and may become novel significant modalities of tumor precision imaging and radiotherapy after further improvement. Oncolytic viruses carrying reporter genes can replicate and express genes of interest selectively in tumor cells, thus improving in vivo noninvasive precision molecular imaging and radiotherapy. Here, the latest developments and molecular mechanisms of tumor imaging and radiotherapy using oncolytic viruses are reviewed, and perspectives are given for further research. Various types of tumors are discussed, and special attention is paid to gastrointestinal tumors.
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Affiliation(s)
- Zi J Wu
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China .,2 Department of Medical Imaging, School of Medicine, Yangtze University , Jingzhou, China .,3 The Second School of Clinical Medicine, Yangtze University , Jingzhou, China
| | - Feng R Tang
- 4 Radiation Physiology Laboratory, Singapore Nuclear Research and Safety Initiative, National University of Singapore , Create Tower, Singapore
| | - Zhao-Wu Ma
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China
| | - Xiao-Chun Peng
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China
| | - Ying Xiang
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China
| | - Yanling Zhang
- 5 Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine , Guangzhou, China .,6 School of Biotechnology, Southern Medical University , Guangzhou, China
| | - Jingbo Kang
- 7 The Navy General Hospital Tumor Diagnosis and Treatment Center , Beijing, China
| | - Jiafu Ji
- 8 Department of Gastrointestinal Surgery, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute , Beijing, China
| | - Xiao Q Liu
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China .,2 Department of Medical Imaging, School of Medicine, Yangtze University , Jingzhou, China .,3 The Second School of Clinical Medicine, Yangtze University , Jingzhou, China
| | - Xian-Wang Wang
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China
| | - Hong-Wu Xin
- 1 Laboratory of Oncology, Center for Molecular Medicine, Yangtze University , Jingzhou, China
| | - Bo X Ren
- 2 Department of Medical Imaging, School of Medicine, Yangtze University , Jingzhou, China .,3 The Second School of Clinical Medicine, Yangtze University , Jingzhou, China
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16
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Abstract
Gene therapy based on viral vectors has demonstrated steady progress recently, not only in the area of cancers. A multitude of viral vectors has been engineered for both preventive and therapeutic applications. Two main approaches comprise of viral vector-based delivery of toxic or anticancer genes or immunization with anticancer antigens. Tumor growth inhibition and tumor regression have been observed, providing improved survival rates in animal tumor models. Furthermore, vaccine-based cancer immunotherapy has demonstrated both tumor regression and protection against challenges with lethal doses of tumor cells. Several clinical trials with viral vectors have also been conducted. Additionally, viral vector-based cancer drugs have been approved. This review gives an overview of different viral vector systems and their applications in cancer gene therapy.
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17
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Oncolytic alphavirus SFV-VA7 efficiently eradicates subcutaneous and orthotopic human prostate tumours in mice. Br J Cancer 2017; 117:51-55. [PMID: 28557974 PMCID: PMC5520213 DOI: 10.1038/bjc.2017.151] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 04/12/2017] [Accepted: 05/02/2017] [Indexed: 12/14/2022] Open
Abstract
Background: Despite recent therapeutic and diagnostic advances, prostate cancer remains the second leading cause of cancer-related deaths among men in the Western world. Oncolytic viruses that replicate selectively in tumour cells represent a novel treatment candidate for these malignancies. Methods: We analysed infectivity of avirulent Semliki Firest virus SFV-VA7 in human prostate cancer cell lines VCaP, LNCaP and 22Rv1 and in nonmalignant prostate epithelial cell line RWPE-1. Therapeutic potency of SFV-VA7 was evaluated in subcutaneous and orthotopic mouse LNCaP xenograft models. Results: SFV-VA7 infected and killed the tested human prostate cancer cell lines irrespective of their hormone response status, while the nonmalignant prostate epithelial cell line RWPE-1 proved highly virus resistant. Notably, a single peritoneal dose of SFV-VA7 was sufficient to eradicate all subcutaneous and orthotopic LNCaP tumours. Conclusions: Our results indicate that SFV-VA7 is a novel, promising therapeutic virus against prostate cancer warranting further testing in early clinical trials.
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18
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Mansfield DC, Kyula JN, Rosenfelder N, Chao-Chu J, Kramer-Marek G, Khan AA, Roulstone V, McLaughlin M, Melcher AA, Vile RG, Pandha HS, Khoo V, Harrington KJ. Oncolytic vaccinia virus as a vector for therapeutic sodium iodide symporter gene therapy in prostate cancer. Gene Ther 2016; 23:357-68. [PMID: 26814609 PMCID: PMC4827015 DOI: 10.1038/gt.2016.5] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 12/07/2015] [Accepted: 01/13/2016] [Indexed: 12/16/2022]
Abstract
Oncolytic strains of vaccinia virus are currently in clinical development with clear evidence of safety and promising signs of efficacy. Addition of therapeutic genes to the viral genome may increase the therapeutic efficacy of vaccinia. We evaluated the therapeutic potential of vaccinia virus expressing the sodium iodide symporter (NIS) in prostate cancer models, combining oncolysis, external beam radiotherapy and NIS-mediated radioiodide therapy. The NIS-expressing vaccinia virus (VV-NIS), GLV-1h153, was tested in in vitro analyzes of viral cell killing, combination with radiotherapy, NIS expression, cellular radioiodide uptake and apoptotic cell death in PC3, DU145, LNCaP and WPMY-1 human prostate cell lines. In vivo experiments were carried out in PC3 xenografts in CD1 nude mice to assess NIS expression and tumor radioiodide uptake. In addition, the therapeutic benefit of radioiodide treatment in combination with viral oncolysis and external beam radiotherapy was measured. In vitro viral cell killing of prostate cancers was dose- and time-dependent and was through apoptotic mechanisms. Importantly, combined virus therapy and iodizing radiation did not adversely affect oncolysis. NIS gene expression in infected cells was functional and mediated uptake of radioiodide both in vitro and in vivo. Therapy experiments with both xenograft and immunocompetent Transgenic Adenocarcinoma of the Mouse Prostate (TRAMP) mouse models showed that the addition of radioiodide to VV-NIS-infected tumors was more effective than each single-agent therapy, restricting tumor growth and increasing survival. In conclusion, VV-NIS is effective in prostate cancer models. This treatment modality would be an attractive complement to existing clinical radiotherapy practice.
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Affiliation(s)
- D C Mansfield
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - J N Kyula
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - N Rosenfelder
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - J Chao-Chu
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - G Kramer-Marek
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - A A Khan
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - V Roulstone
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - M McLaughlin
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
| | - A A Melcher
- Leeds Institute of Cancer and Pathology, University of Leeds, St James's University Hospital, Leeds, UK
| | - R G Vile
- Molecular Medicine Program, Mayo Clinic, Rochester, MN, USA
| | - H S Pandha
- Postgraduate Medical School, The University of Surrey, Guildford, UK
| | - V Khoo
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
- The Royal Marsden Hospital, London, UK
- University of Melbourne and Monash University, Victoria, Australia
| | - K J Harrington
- Divisions of Cancer Biology and Radiotherapy and Imaging, The Institute of Cancer Research, Chester Beatty Labs, London, UK
- The Royal Marsden Hospital, London, UK
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Sokolowski NA, Rizos H, Diefenbach RJ. Oncolytic virotherapy using herpes simplex virus: how far have we come? Oncolytic Virother 2015; 4:207-19. [PMID: 27512683 PMCID: PMC4918397 DOI: 10.2147/ov.s66086] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Oncolytic virotherapy exploits the properties of human viruses to naturally cytolysis of cancer cells. The human pathogen herpes simplex virus (HSV) has proven particularly amenable for use in oncolytic virotherapy. The relative safety of HSV coupled with extensive knowledge on how HSV interacts with the host has provided a platform for manipulating HSV to enhance the targeting and killing of human cancer cells. This has culminated in the approval of talimogene laherparepvec for the treatment of melanoma. This review focuses on the development of HSV as an oncolytic virus and where the field is likely to head in the future.
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Affiliation(s)
- Nicolas As Sokolowski
- Centre for Virus Research, Westmead Millennium Institute for Medical Research, The University of Sydney, NSW, Australia
| | - Helen Rizos
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, NSW, Australia
| | - Russell J Diefenbach
- Centre for Virus Research, Westmead Millennium Institute for Medical Research, The University of Sydney, NSW, Australia
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20
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Abstract
Introduction: Oncolytic viruses are experimental cancer therapies being translated to the clinic. They are unique in their ability to amplify within the body, therefore requiring careful monitoring of viral replication and biodistribution. Traditional monitoring strategies fail to recapitulate the dynamic nature of oncolytic virotherapy. Consequently, clinically relevant, noninvasive, high resolution strategies are needed to effectively track virotherapy in real time. Areas covered: The expression of the sodium iodide symporter (NIS) reporter gene is tightly coupled to viral genome replication and mediates radioisotope concentration, allowing noninvasive molecular nuclear imaging of active viral infection with high resolution. This provides insight into replication kinetics, biodistribution, the impact of vector design, administration, and dosing on therapeutic outcomes, and highlights the heterogeneity of spatial distribution and temporal evolution of infection. NIS-mediated imaging in clinical trials confirms the feasibility of this technology to noninvasively and longitudinally observe oncolytic virus infection, replication, and distribution. Expert opinion: NIS-mediated imaging provides detailed functional and molecular information on the evolution of oncolytic virus infection in living animals. The use of NIS reporter gene imaging has rapidly advanced to provide unparalleled insight into the spatial and temporal context of oncolytic infection which will be integral to optimization of oncolytic treatment strategies.
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Affiliation(s)
- Amber Miller
- a Mayo Clinic, Department of Molecular Medicine , Rochester , MN 55905 , USA.,b Mayo Graduate School, Center for Clinical and Translational Science , Rochester , MN 55905 , USA
| | - Stephen J Russell
- a Mayo Clinic, Department of Molecular Medicine , Rochester , MN 55905 , USA.,c Mayo Clinic, Division of Hematology , Rochester , MN 55905 , USA
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21
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Peters C, Rabkin SD. Designing Herpes Viruses as Oncolytics. MOLECULAR THERAPY-ONCOLYTICS 2015; 2:S2372-7705(16)30012-2. [PMID: 26462293 PMCID: PMC4599707 DOI: 10.1038/mto.2015.10] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Oncolytic herpes simplex virus (oHSV) was one of the first genetically-engineered oncolytic viruses. Because herpes simplex virus (HSV) is a natural human pathogen that can cause serious disease, it is incumbent that it be genetically-engineered or significantly attenuated for safety. Here we present a detailed explanation of the functions of HSV-1 genes frequently mutated to endow oncolytic activity. These genes are non-essential for growth in tissue culture cells but are important for growth in post-mitotic cells, interfering with intrinsic antiviral and innate immune responses or causing pathology, functions dispensable for replication in cancer cells. Understanding the function of these genes leads to informed creation of new oHSVs with better therapeutic efficacy. Virus infection and replication can also be directed to cancer cells through tumor-selective receptor binding and transcriptional- or post-transcriptional miRNA-targeting, respectively. In addition to the direct effects of oHSV on infected cancer cells and tumors, oHSV can be 'armed' with transgenes that are: reporters, to track virus replication and spread; cytotoxic, to kill uninfected tumor cells; immune modulatory, to stimulate anti-tumor immunity; or tumor microenvironment altering, to enhance virus spread or to inhibit tumor growth. In addition to HSV-1, other alphaherpesviruses are also discussed for their oncolytic activity.
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Affiliation(s)
- Cole Peters
- Program in Virology, Harvard Medical School, Boston, MA, and Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston MA
| | - Samuel D Rabkin
- Program in Virology, Harvard Medical School, Boston, MA, and Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston MA
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22
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Hohenforst-Schmidt W, Zarogoulidis P, Stopek J, Vogl T, Hübner F, Turner JF, Browning R, Zarogoulidis K, Drevelegas A, Drevelegas K, Darwiche K, Freitag L, Rittger H. DDMC-p53 gene therapy with or without cisplatin and microwave ablation. Onco Targets Ther 2015; 8:1165-73. [PMID: 26056480 PMCID: PMC4446017 DOI: 10.2147/ott.s83794] [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: 12/14/2022] Open
Abstract
Lung cancer remains the leading cause of death in cancer patients. Severe treatment side effects and late stage of disease at diagnosis continue to be an issue. We investigated whether local treatment using 2-diethylaminoethyl-dextran methyl methacrylate copolymer with p53 (DDMC-p53) with or without cisplatin and/or microwave ablation enhances disease control in BALBC mice. We used a Lewis lung carcinoma cell line to inoculate 140 BALBC mice, which were divided into the following seven groups; control, cisplatin, microwave ablation, DDMC-p53, DDMC-p53 plus cisplatin, DDMC-p53 plus microwave, and DDMC-p53 plus cisplatin plus microwave. Microwave ablation energy was administered at 20 W for 10 minutes. Cisplatin was administered as 1 mL/mg and the DDMC-p53 complex delivered was 0.5 mL. Increased toxicity was observed in the group receiving DDMC-p53 plus cisplatin plus microwave followed by the group receiving DDMC-p53 plus cisplatin. Infection after repeated treatment administration was a major issue. We conclude that a combination of gene therapy using DDMC-p53 with or without cisplatin and microwave is an alternative method for local disease control. However, more experiments are required in a larger model to identify the appropriate dosage profile.
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Affiliation(s)
| | - Paul Zarogoulidis
- Pulmonary Department-Oncology Unit, G Papanikolaou General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Thomas Vogl
- Department of Diagnostic and Interventional Radiology, Goethe University of Frankfurt, Frankfurt, Germany
| | - Frank Hübner
- II Medical Clinic, Coburg Hospital, University of Wuerzburg, Coburg, Germany
| | - J Francis Turner
- Division of Interventional Pulmonology, Western Regional Medical Center, Goodyear, AZ ; Medical Oncology, Cancer Treatment Centers of America, Western Regional Medical Center, Goodyear, AZ
| | - Robert Browning
- Pulmonary and Critical Care Medicine, Interventional Pulmonology, National Naval Medical Center, Walter Reed Army Medical Center, Bethesda, MD, USA
| | - Konstantinos Zarogoulidis
- Pulmonary Department-Oncology Unit, G Papanikolaou General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Antonis Drevelegas
- Radiology Department, Interbalkan European Medical Center, Thessaloniki, Greece
| | | | - Kaid Darwiche
- Department of interventional Pneumology, Ruhrlandklinik, University Hospital Essen, University of Essen-Duisburg, Essen, Germany
| | - Lutz Freitag
- Department of interventional Pneumology, Ruhrlandklinik, University Hospital Essen, University of Essen-Duisburg, Essen, Germany
| | - Harald Rittger
- Medical Clinic I, 'Fuerth Hospital, University of Erlangen, Erlangen, Germany
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Deyle DR, Escobar DZ, Peng KW, Babovic-Vuksanovic D. Oncolytic measles virus as a novel therapy for malignant peripheral nerve sheath tumors. Gene 2015; 565:140-5. [PMID: 25843626 DOI: 10.1016/j.gene.2015.04.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 02/27/2015] [Accepted: 04/01/2015] [Indexed: 11/17/2022]
Abstract
Malignant peripheral nerve sheath tumors (MPNSTs) are devastating soft tissue sarcomas that can arise sporadically or in association with neurofibromatosis type I, have a poor prognosis, and have limited treatment options. Oncolytic measles virus therapy has been demonstrated to have significant antitumor properties in a number of different cancers, but the oncolytic potential of a MV Edmonston (MVEdm) vaccine strain engineered to express the human sodium iodide symporter (MV-NIS) on MPNST has not previously been evaluated. MPNST cell lines were found to highly express CD46, a cellular receptor required for measles viral entry, on their cell surface. After in vitro MV-NIS infection, MPNST cell lines showed significant cytopathic effect (CPE), while normal Schwann cells were less susceptible to CPE. Virus localization and distribution could be monitored by imaging of I-125 uptake. Local administration of MV-NIS into MPNST-derived tumors resulted in significant regression of tumor and improved survival. These results demonstrate feasibility of oncolytic measles virus therapy for MPNST patients and the possibility of a novel treatment for patients with NF1 tumors.
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Affiliation(s)
- David R Deyle
- Department of Medical Genetics, Mayo Clinic, Rochester, MN 55905, USA; Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA.
| | | | - Kah-Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
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24
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Tsang JJ, Atkins HL. The ex vivo purge of cancer cells using oncolytic viruses: recent advances and clinical implications. Oncolytic Virother 2015; 4:13-23. [PMID: 27512666 PMCID: PMC4918373 DOI: 10.2147/ov.s45525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Hematological malignancies are treated with intensive high-dose chemotherapy, with or without radiation. This is followed by hematopoietic stem cell (HSC) transplantation (HSCT) to rescue or reconstitute hematopoiesis damaged by the anticancer therapy. Autologous HSC grafts may contain cancer cells and purging could further improve treatment outcomes. Similarly, allogeneic HSCT may be improved by selectively purging alloreactive effector cells from the graft rather than wholesale immune cell depletion. Viral agents that selectively replicate in specific cell populations are being studied in experimental models of cancer and immunological diseases and have potential applications in the context of HSC graft engineering. This review describes preclinical studies involving oncolytic virus strains of adenovirus, herpes simplex virus type 1, myxoma virus, and reovirus as ex vivo purging agents for HSC grafts, as well as in vitro and in vivo experimental studies using oncolytic coxsackievirus, measles virus, parvovirus, vaccinia virus, and vesicular stomatitis virus to eradicate hematopoietic malignancies. Alternative ex vivo oncolytic virus strategies are also outlined that aim to reduce the risk of relapse following autologous HSCT and mitigate morbidity and mortality due to graft-versus-host disease in allogeneic HSCT.
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Affiliation(s)
- Jovian J Tsang
- Department of Biochemistry, University of Ottawa, ON, Canada; Cancer Therapeutics, Ottawa Hospital Research Institute, ON, Canada
| | - Harold L Atkins
- Cancer Therapeutics, Ottawa Hospital Research Institute, ON, Canada; Blood and Marrow Transplant Program, The Ottawa Hospital, Ottawa, ON, Canada
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25
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Miller A, Suksanpaisan L, Naik S, Nace R, Federspiel M, Peng KW, Russell SJ. Reporter gene imaging identifies intratumoral infection voids as a critical barrier to systemic oncolytic virus efficacy. MOLECULAR THERAPY-ONCOLYTICS 2014; 1:14005. [PMID: 27119095 PMCID: PMC4782940 DOI: 10.1038/mto.2014.5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 08/18/2014] [Indexed: 01/31/2023]
Abstract
Systemically administered oncolytic viruses have the ability to cause tumor destruction through the expansion and coalescence of intratumoral infectious centers. Efficacy is therefore dependent upon both the density and intratumoral distribution of virus-infected cells achieved after initial virus infusion, and delivery methods are being developed to enhance these critical parameters. However, the three-dimensional (3D) mapping of intratumoral infectious centers is difficult using conventional immunohistochemical methodology, requiring painstaking 3D reconstruction of numerous sequential stained tumor sections, with no ability to study the temporal evolution of spreading infection in a single animal. We therefore developed a system using very high-resolution noninvasive in vivo micro single-photon emitted computed tomography/computed tomography (microSPECT/CT) imaging to determine the intratumoral distribution of thyroid radiotracers in tumors infected with an oncolytic virus encoding the thyroidal sodium–iodide symporter (NIS). This imaging system was used for longitudinal analysis of the density, distribution, and evolution of intratumoral infectious centers after systemic administration of oncolytic vesicular stomatitis virus in tumor-bearing mice and revealed heterogeneous delivery of virus particles both within and between tumors in animals receiving identical therapy. This study provides compelling validation of high resolution in vivo reporter gene mapping as a convenient method for serial monitoring of intratumoral virus spread that will be necessary to address critical barriers to systemic oncolytic virus efficacy such as intratumoral delivery.
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Affiliation(s)
- Amber Miller
- Mayo Graduate School, Mayo Clinic, Rochester, Minnesota, USA; Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Lukkana Suksanpaisan
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, USA; Imanis Life Sciences, Rochester, Minnesota, USA
| | - Shruthi Naik
- Department of Molecular Medicine, Mayo Clinic , Rochester, Minnesota, USA
| | - Rebecca Nace
- Department of Molecular Medicine, Mayo Clinic , Rochester, Minnesota, USA
| | - Mark Federspiel
- Department of Molecular Medicine, Mayo Clinic , Rochester, Minnesota, USA
| | - Kah Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, USA; Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
| | - Stephen J Russell
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, USA; Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Liu YP, Wang J, Avanzato VA, Bakkum-Gamez JN, Russell SJ, Bell JC, Peng KW. Oncolytic vaccinia virotherapy for endometrial cancer. Gynecol Oncol 2014; 132:722-9. [PMID: 24434058 PMCID: PMC3977925 DOI: 10.1016/j.ygyno.2014.01.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 01/08/2014] [Accepted: 01/09/2014] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Oncolytic virotherapy is a promising modality in endometrial cancer (EC) therapy. In this study, we compared the efficacy of the Copenhagen and Wyeth strains of oncolytic vaccinia virus (VV) incorporating the human thyroidal sodium iodide symporter (hNIS) as a reporter gene (VVNIS-C and VVNIS-W) in EC. METHODS Infectivity of VVNIS-C and VVNIS-W in type I (HEC1A, Ishikawa, KLE, RL95-2, and AN3 CA) and type II (ARK-1, ARK-2, and SPEC-2) human EC cell lines was evaluated. Athymic mice with ARK-2 or AN3 CA xenografts were treated with one intravenous dose of VVNIS-C or VVNIS-W. Tumor regression and in vivo infectivity were monitored via NIS expression using SPECT-CT imaging. RESULTS All EC cell lines except KLE were susceptible to infection and killing by VVNIS-C and VVNIS-W in vitro. VVNIS-C had higher infectivity and oncolytic activity than VVNIS-W in all cell lines, most notably in AN3 CA. Intravenous VVNIS-C was more effective at controlling AN3 CA xenograft growth than VVNIS-W, while both VVNIS-C and VVNIS-W ceased tumor growth and induced tumor regression in 100% of mice bearing ARK-2 xenografts. CONCLUSION Overall, VVNIS-C has more potent oncolytic viral activity than VVSIN-W in EC. VV appears to be most active in type II EC. Novel therapies are needed for the highly lethal type II EC histologies and further development of a VV clinical trial in type II EC is warranted.
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Affiliation(s)
- Yu-Ping Liu
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jiahu Wang
- Centre for Innovative Cancer Research, Ottawa Hospital Research Institute, Ottawa, ON KlY 4E9, Canada
| | - Victoria A Avanzato
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA; Pennsylvania State University, State College, PA, USA
| | | | - Stephen J Russell
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA; Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - John C Bell
- Centre for Innovative Cancer Research, Ottawa Hospital Research Institute, Ottawa, ON KlY 4E9, Canada
| | - Kah-Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA; Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA.
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Abstract
Despite extensive research, current glioma therapies are still unsatisfactory, and novel approaches are pressingly needed. In recent years, both nonreplicative viral vectors and replicating oncolytic viruses have been developed for brain cancer treatment, and the mechanistic background of their cytotoxicity has been unveiled. A growing number of clinical trials have convincingly established viral therapies to be safe in glioma patients, and maximum tolerated doses have generally not been reached. However, evidence for therapeutic benefit has been limited: new generations of therapeutic vectors need to be developed in order to target not only tumor cells but also the complex surrounding microenvironment. Such therapies could also direct long-lasting immune responses toward the tumor while reducing early antiviral reactions. Furthermore, viral delivery methods are to be improved and viral spread within the tumor will have to be enhanced. Here, we will review the outcome of completed glioma virus therapy trials as well as highlight the ongoing clinical activities. On this basis, we will give an overview of the numerous strategies to enhance therapeutic efficacy of new-generation viruses and novel treatment regimens. Finally, we will conclude with approaches that may be crucial to the development of successful glioma therapies in the future.
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Affiliation(s)
| | - E. Antonio Chiocca
- Harvey Cushing Neuro-Oncology Laboratories, Department of Neurosurgery, Brigham and Women’s Hospital, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
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Intratumoral gene therapy versus intravenous gene therapy for distant metastasis control with 2-diethylaminoethyl-dextran methyl methacrylate copolymer non-viral vector-p53. Gene Ther 2013; 21:158-67. [PMID: 24285215 DOI: 10.1038/gt.2013.68] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 10/06/2013] [Accepted: 10/17/2013] [Indexed: 12/18/2022]
Abstract
Lung cancer still remains to be challenged by novel treatment modalities. Novel locally targeted routes of administration are a methodology to enhance treatment and reduce side effects. Intratumoral gene therapy is a method for local treatment and could be used either in early-stage lung cancer before surgery or at advanced stages as palliative care. Novel non-viral vectors are also in demand for efficient gene transfection to target local cancer tissue and at the same time protect the normal tissue. In the current study, C57BL/6 mice were divided into three groups: (a) control, (b) intravenous and (c) intatumoral gene therapy. The novel 2-Diethylaminoethyl-Dextran Methyl Methacrylate Copolymer Non-Viral Vector (Ryujyu Science Corporation) was conjugated with plasmid pSicop53 from the company Addgene for the first time. The aim of the study was to evaluate the safety and efficacy of targeted gene therapy in a Lewis lung cancer model. Indeed, although the pharmacokinetics of the different administration modalities differs, the intratumoral administration presented increased survival and decreased distant metastasis. Intratumoral gene therapy could be considered as an efficient local therapy for lung cancer.
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