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Yi J, Lin P, Li Q, Zhang A, Kong X. A new strategy for treating colorectal cancer: Regulating the influence of intestinal flora and oncolytic virus on interferon. Mol Ther Oncolytics 2023; 30:254-274. [PMID: 37701850 PMCID: PMC10493895 DOI: 10.1016/j.omto.2023.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023] Open
Abstract
Colorectal cancer (CRC) has the third highest incidence and the second highest mortality in the world, which seriously affects human health, while current treatments methods for CRC, including systemic therapy, preoperative radiotherapy, and surgical local excision, still have poor survival rates for patients with metastatic disease, making it critical to develop new strategies for treating CRC. In this article, we found that the gut microbiota can modulate the signaling pathways of cancer cells through direct contact with tumor cells, generate inflammatory responses and oxidative stress through interactions between the innate and adaptive immune systems, and produce diverse metabolic combinations to trigger specific immune responses and promote the initiation of systemic type I interferon (IFN-I) and anti-viral immunity. In addition, oncolytic virus-mediated immunotherapy for regulating oncolytic virus can directly lyse tumor cells, induce the immune activity of the body, interact with interferon, inhibit the anti-viral effect of IFN-I, and enhance the anti-tumor effect of IFN-II. Interferon plays an important role in the anti-tumor process. We put forward that exploring the effects of intestinal flora and oncolytic virus on interferon to treat CRC is a promising therapeutic option.
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Affiliation(s)
- Jia Yi
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Peizhe Lin
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Qingbo Li
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Ao Zhang
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xianbin Kong
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
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2
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Gao Y, Bergman I. Vesicular Stomatitis Virus (VSV) G Glycoprotein Can Be Modified to Create a Her2/Neu-Targeted VSV That Eliminates Large Implanted Mammary Tumors. J Virol 2023; 97:e0037223. [PMID: 37199666 PMCID: PMC10308914 DOI: 10.1128/jvi.00372-23] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 04/21/2023] [Indexed: 05/19/2023] Open
Abstract
Viral oncolytic immunotherapy is a nascent field that is developing tools to direct the immune system to find and eliminate cancer cells. Safety is improved by using cancer-targeted viruses that infect or grow poorly on normal cells. The recent discovery of the low-density lipoprotein (LDL) receptor as the major vesicular stomatitis virus (VSV) binding site allowed for the creation of a Her2/neu-targeted replicating recombinant VSV (rrVSV-G) by eliminating the LDL receptor binding site in the VSV-G glycoprotein (gp) and adding a sequence coding for a single chain antibody (SCA) to the Her2/neu receptor. The virus was adapted by serial passage on Her2/neu-expressing cancer cells resulting in a virus that yielded a 15- to 25-fold higher titer following in vitro infection of Her2/neu+-expressing cell lines than that of Her2/neu-negative cells (~1 × 108/mL versus 4 × 106 to 8 × 106/mL). An essential mutation resulting in a higher titer virus was a threonine-to-arginine change that produced an N-glycosylation site in the SCA. Infection of Her2/neu+ subcutaneous tumors yielded >10-fold more virus on days 1 and 2 than Her2/neu- tumors, and virus production continued for 5 days in Her2/neu+ tumors compared with 3 days that of 3 days in Her2/neu- tumors. rrVSV-G cured 70% of large 5-day peritoneal tumors compared with a 10% cure by a previously targeted rrVSV with a modified Sindbis gp. rrVSV-G also cured 33% of very large 7-day tumors. rrVSV-G is a new targeted oncolytic virus that has potent antitumor capabilities and allows for heterologous combination with other targeted oncolytic viruses. IMPORTANCE A new form of vesicular stomatitis virus (VSV) was created that specifically targets and destroys cancer cells that express the Her2/neu receptor. This receptor is commonly found in human breast cancer and is associated with a poor prognosis. In laboratory tests using mouse models, the virus was highly effective at eliminating implanted tumors and creating a strong immune response against cancer. VSV has many advantages as a cancer treatment, including high levels of safety and efficacy and the ability to be combined with other oncolytic viruses to enhance treatment results or to create an effective cancer vaccine. This new virus can also be easily modified to target other cancer cell surface molecules and to add immune-modifying genes. Overall, this new VSV is a promising candidate for further development as an immune-based cancer therapy.
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Affiliation(s)
- Yanhua Gao
- Department of Pediatrics, University of Pittsburgh School of Medicine, Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Ira Bergman
- Department of Pediatrics, University of Pittsburgh School of Medicine, Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
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3
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Groeneveldt C, van den Ende J, van Montfoort N. Preexisting immunity: Barrier or bridge to effective oncolytic virus therapy? Cytokine Growth Factor Rev 2023; 70:1-12. [PMID: 36732155 DOI: 10.1016/j.cytogfr.2023.01.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 01/26/2023] [Accepted: 01/27/2023] [Indexed: 02/01/2023]
Abstract
Oncolytic viruses (OVs) represent a highly promising treatment strategy for a wide range of cancers, by mediating both the direct killing of tumor cells as well as mobilization of antitumor immune responses. As many OVs circulate in the human population, preexisting OV-specific immune responses are prevalent. Indeed, neutralizing antibodies (NAbs) are abundantly present in the human population for commonly used OVs, such as Adenovirus type 5 (Ad5), Herpes Simplex Virus-1 (HSV-1), Vaccinia virus, Measles virus, and Reovirus. This review discusses (pre)clinical evidence regarding the effect of preexisting immunity against OVs on two distinct aspects of OV therapy; OV infection and spread, as well as the immune response induced upon OV therapy. Combined, this review provides evidence that consideration of preexisting immunity is crucial in realizing the full potential of the highly promising therapeutic implementation of OVs. Future investigation of current gaps in knowledge highlighted in this review should yield a more complete understanding of this topic, ultimately allowing for better and more personalized OV therapies.
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Affiliation(s)
- Christianne Groeneveldt
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands.
| | - Jasper van den Ende
- Master Infection & Immunity, Utrecht University, 3584 CS Utrecht, the Netherlands
| | - Nadine van Montfoort
- Department of Gastroenterology and Hepatology, Leiden University Medical Center, 2333 ZA, Leiden, the Netherlands
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4
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Qi Z, Zhao J, Li Y, Zhang B, Hu S, Chen Y, Ma J, Shu Y, Wang Y, Cheng P. Live-attenuated Japanese encephalitis virus inhibits glioblastoma growth and elicits potent antitumor immunity. Front Immunol 2023; 14:982180. [PMID: 37114043 PMCID: PMC10126305 DOI: 10.3389/fimmu.2023.982180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 03/27/2023] [Indexed: 04/29/2023] Open
Abstract
Glioblastomas (GBMs) are highly aggressive brain tumors that have developed resistance to currently available conventional therapies, including surgery, radiation, and systemic chemotherapy. In this study, we investigated the safety of a live attenuated Japanese encephalitis vaccine strain (JEV-LAV) virus as an oncolytic virus for intracerebral injection in mice. We infected different GBM cell lines with JEV-LAV to investigate whether it had growth inhibitory effects on GBM cell lines in vitro. We used two models for evaluating the effect of JEV-LAV on GBM growth in mice. We investigated the antitumor immune mechanism of JEV-LAV through flow cytometry and immunohistochemistry. We explored the possibility of combining JEV-LAV with PD-L1 blocking therapy. This work suggested that JEV-LAV had oncolytic activity against GBM tumor cells in vitro and inhibited their growth in vivo. Mechanistically, JEV-LAV increased CD8+ T cell infiltration into tumor tissues and remodeled the immunosuppressive GBM microenvironment that is non-conducive to immunotherapy. Consequently, the results of combining JEV-LAV with immune checkpoint inhibitors indicated that JEV-LAV therapy improved the response of aPD-L1 blockade therapy against GBM. The safety of intracerebrally injected JEV-LAV in animals further supported the clinical use of JEV-LAV for GBM treatment.
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Affiliation(s)
- Zhongbing Qi
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Jing Zhao
- Department of Biotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, China
| | - Yuhua Li
- Department of Arboviruses Vaccine, National Institute for Food and Drug Control, Beijing, China
| | - Bin Zhang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Shichuan Hu
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Yanwei Chen
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Jinhu Ma
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Yongheng Shu
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Yunmeng Wang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Ping Cheng
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Ping Cheng,
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Basu R, Moles CM. Rational selection of an ideal oncolytic virus to address current limitations in clinical translation. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023. [PMID: 37541726 DOI: 10.1016/bs.ircmb.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Oncolytic virus therapy (OVT) is a promising modality that leverages the propensity of natural or engineered viruses to selectively replicate in and kill cancer cells. Over the past decade, (pre)clinical studies have focused on the development and testing of adenovirus, herpes simplex virus, and vaccinia virus-based vectors. These studies have identified barriers to success confronting the field. Here, we propose a set of selection criteria or ideal properties of a successful oncolytic virus, which include lack of pathogenicity, low seroprevalence, selectivity (infection and replication), transgene carrying capacity, and genome stability. We use these requirements to analyze the oncolytic virus landscape, and then identify a potentially optimal species for platform development - vesicular stomatitis virus.
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Viker KB, Steele MB, Iankov ID, Concilio SC, Ammayappan A, Bolon B, Jenks NJ, Goetz MP, Panagioti E, Federspiel MJ, Liu MC, Peng KW, Galanis E. Preclinical safety assessment of MV-s-NAP, a novel oncolytic measles virus strain armed with an H . pylori immunostimulatory bacterial transgene. Mol Ther Methods Clin Dev 2022; 26:532-546. [PMID: 36092362 PMCID: PMC9437807 DOI: 10.1016/j.omtm.2022.07.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 07/20/2022] [Indexed: 12/24/2022]
Abstract
Despite recent therapeutic advances, metastatic breast cancer (MBC) remains incurable. Engineered measles virus (MV) constructs based on the attenuated MV Edmonston vaccine platform have demonstrated significant oncolytic activity against solid tumors. The Helicobacter pylori neutrophil-activating protein (NAP) is responsible for the robust inflammatory reaction in gastroduodenal mucosa during bacterial infection. NAP attracts and activates immune cells at the site of infection, inducing expression of pro-inflammatory mediators. We engineered an MV strain to express the secretory form of NAP (MV-s-NAP) and showed that it exhibits anti-tumor and immunostimulatory activity in human breast cancer xenograft models. In this study, we utilized a measles-infection-permissive mouse model (transgenic IFNAR KO-CD46Ge) to evaluate the biodistribution and safety of MV-s-NAP. The primary objective was to identify potential toxic side effects and confirm the safety of the proposed clinical doses of MV-s-NAP prior to a phase I clinical trial of intratumoral administration of MV-s-NAP in patients with MBC. Both subcutaneous delivery (corresponding to the clinical trial intratumoral administration route) and intravenous (worst case scenario) delivery of MV-s-NAP were well tolerated: no significant clinical, laboratory or histologic toxicity was observed. This outcome supports the safety of MV-s-NAP for oncolytic virotherapy of MBC. The first-in-human clinical trial of MV-s-NAP in patients with MBC (ClinicalTrials.gov: NCT04521764) was subsequently activated.
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Affiliation(s)
- Kimberly B. Viker
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Michael B. Steele
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | - Ianko D. Iankov
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Arun Ammayappan
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Nathan J. Jenks
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Eleni Panagioti
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Minetta C. Liu
- Department of Oncology, Mayo Clinic, Rochester, MN 55905, USA
| | - Kah Whye Peng
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN 55905, USA
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Cruz JVR, Batista C, Afonso BDH, Alexandre-Moreira MS, Dubois LG, Pontes B, Moura Neto V, Mendes FDA. Obstacles to Glioblastoma Treatment Two Decades after Temozolomide. Cancers (Basel) 2022; 14:cancers14133203. [PMID: 35804976 PMCID: PMC9265128 DOI: 10.3390/cancers14133203] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Glioblastomas are the most common and aggressive brain tumors in adults, with a median survival of 15 months. Treatment is surgical removal, followed by chemotherapy and/or radiotherapy. Current chemotherapeutics do not kill all the tumor cells and some cells survive, leading to the appearance of a new tumor resistant to the treatment. These treatment-resistant cells are called tumor stem cells. In addition, glioblastoma cells have a high capacity for migration, forming new tumors in areas distant from the original tumor. Studies are now focused on understanding the molecular mechanisms of chemoresistance and controlling drug entry into the brain to improve drug performance. Another promising therapeutic approach is the use of viruses that specifically destroy glioblastoma cells, preserving the neural tissue around the tumor. In this review, we summarize the main biological features of glioblastoma and the therapeutic targets that are currently under study for new clinical trials. Abstract Glioblastomas are considered the most common and aggressive primary brain tumor in adults, with an average of 15 months’ survival rate. The treatment is surgery resection, followed by chemotherapy with temozolomide, and/or radiotherapy. Glioblastoma must have wild-type IDH gene and some characteristics, such as TERT promoter mutation, EGFR gene amplification, microvascular proliferation, among others. Glioblastomas have great heterogeneity at cellular and molecular levels, presenting distinct phenotypes and diversified molecular signatures in each tumor mass, making it difficult to define a specific therapeutic target. It is believed that the main responsibility for the emerge of these distinct patterns lies in subcellular populations of tumor stem cells, capable of tumor initiation and asymmetric division. Studies are now focused on understanding molecular mechanisms of chemoresistance, the tumor microenvironment, due to hypoxic and necrotic areas, cytoskeleton and extracellular matrix remodeling, and in controlling blood brain barrier permeabilization to improve drug delivery. Another promising therapeutic approach is the use of oncolytic viruses that are able to destroy specifically glioblastoma cells, preserving the neural tissue around the tumor. In this review, we summarize the main biological characteristics of glioblastoma and the cutting-edge therapeutic targets that are currently under study for promising new clinical trials.
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Affiliation(s)
- João Victor Roza Cruz
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373, Centro de Ciências da Saúde, Bloco F, Ilha do Fundão, Cidade Universitária, Rio de Janeiro 21941-590, Brazil; (J.V.R.C.); (C.B.); (B.d.H.A.); (B.P.); (V.M.N.)
| | - Carolina Batista
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373, Centro de Ciências da Saúde, Bloco F, Ilha do Fundão, Cidade Universitária, Rio de Janeiro 21941-590, Brazil; (J.V.R.C.); (C.B.); (B.d.H.A.); (B.P.); (V.M.N.)
| | - Bernardo de Holanda Afonso
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373, Centro de Ciências da Saúde, Bloco F, Ilha do Fundão, Cidade Universitária, Rio de Janeiro 21941-590, Brazil; (J.V.R.C.); (C.B.); (B.d.H.A.); (B.P.); (V.M.N.)
- Instituto Estadual do Cérebro Paulo Niemeyer, Rua do Rezende 156, Rio de Janeiro 20231-092, Brazil
| | - Magna Suzana Alexandre-Moreira
- Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Campus A.C. Simões, Avenida Lourival Melo Mota, Maceio 57072-970, Brazil;
| | - Luiz Gustavo Dubois
- UFRJ Campus Duque de Caxias Professor Geraldo Cidade, Rodovia Washington Luiz, n. 19.593, km 104.5, Santa Cruz da Serra, Duque de Caxias 25240-005, Brazil;
| | - Bruno Pontes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373, Centro de Ciências da Saúde, Bloco F, Ilha do Fundão, Cidade Universitária, Rio de Janeiro 21941-590, Brazil; (J.V.R.C.); (C.B.); (B.d.H.A.); (B.P.); (V.M.N.)
| | - Vivaldo Moura Neto
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373, Centro de Ciências da Saúde, Bloco F, Ilha do Fundão, Cidade Universitária, Rio de Janeiro 21941-590, Brazil; (J.V.R.C.); (C.B.); (B.d.H.A.); (B.P.); (V.M.N.)
- Instituto Estadual do Cérebro Paulo Niemeyer, Rua do Rezende 156, Rio de Janeiro 20231-092, Brazil
| | - Fabio de Almeida Mendes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373, Centro de Ciências da Saúde, Bloco F, Ilha do Fundão, Cidade Universitária, Rio de Janeiro 21941-590, Brazil; (J.V.R.C.); (C.B.); (B.d.H.A.); (B.P.); (V.M.N.)
- Correspondence:
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Keshavarz M, Mohammad Miri S, Behboudi E, Arjeini Y, Dianat-Moghadam H, Ghaemi A. Oncolytic virus delivery modulated immune responses toward cancer therapy: Challenges and perspectives. Int Immunopharmacol 2022; 108:108882. [PMID: 35623296 DOI: 10.1016/j.intimp.2022.108882] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/11/2022] [Accepted: 05/18/2022] [Indexed: 11/05/2022]
Abstract
Oncolytic viruses (OVs) harness the hallmarks of tumor cells and cancer-related immune responses for the lysis of malignant cells, modulation of the tumor microenvironment, and exertion of vaccine-like activities. However, efficient clinical exploitation of these potent therapeutic modules requires their systematic administration, especially against metastatic and solid tumors. Therefore, developing methods for shielding a virus from the neutralizing environment of the bloodstream while departing toward tumor sites is a must. This paper reports the latest advancements in the employment of chemical and biological compounds aimed at safe and efficient delivery of OVs to target tissues or tumor deposits within the host.
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Affiliation(s)
- Mohsen Keshavarz
- The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran.
| | - Seyed Mohammad Miri
- Department of Influenza and Other Respiratory Viruses, Pasteur Institute of Iran, Tehran, Iran.
| | - Emad Behboudi
- Department of Microbiology, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Yaser Arjeini
- Department of Research and Development, Production and Research Complex, Pasteur Institute of Iran, Tehran, Iran.
| | - Hassan Dianat-Moghadam
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Amir Ghaemi
- Department of Influenza and Other Respiratory Viruses, Pasteur Institute of Iran, Tehran, Iran.
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9
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Feola S, Russo S, Ylösmäki E, Cerullo V. Oncolytic ImmunoViroTherapy: A long history of crosstalk between viruses and immune system for cancer treatment. Pharmacol Ther 2021; 236:108103. [PMID: 34954301 DOI: 10.1016/j.pharmthera.2021.108103] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/09/2021] [Accepted: 12/15/2021] [Indexed: 12/11/2022]
Abstract
Cancer Immunotherapy relies on harnessing a patient's immune system to fine-tune specific anti-tumor responses and ultimately eradicate cancer. Among diverse therapeutic approaches, oncolytic viruses (OVs) have emerged as a novel form of cancer immunotherapy. OVs are a naturally occurring or genetically modified class of viruses able to selectively kill cancer cells, leaving healthy cells unharmed; in the last two decades, the role of OVs has been redefined to act beyond their oncolytic activity. Indeed, the immunogenic cancer cell death mediated by OVs induces the release of tumor antigens that in turn induces anti-tumor immunity, allowing OVs to act as in situ therapeutic cancer vaccines. Additionally, OVs can be engineered for intratumoral delivery of immunostimulatory molecules such as tumor antigens or cytokines to further enhance anti-tumor response. Moreover, OVs can be used in combination with other cancer immunotherapeutic approaches such as Immune Checkpoint Inhibitors and CAR-T cells. The current review first defines the three main mechanisms of action (MOA) of OVs currently used in cancer therapy that are: i) Oncolysis, ii) OV-induced cancer-specific immune activation, and iii) Exploiting pre-existing anti-viral immunity to enhance cancer therapy. Secondly, we focus on how OVs can induce and/or improve anti-cancer immunity in a specific or unspecific fashion, highlighting the importance of these approaches. Finally, the last part of the review analyses OVs combined with other cancer immunotherapies, revising present and future clinical applications.
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Affiliation(s)
- S Feola
- Laboratory of Immunovirotherapy, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5E, 00790 Helsinki, Finland; TRIMM, Translational Immunology Research Program, University of Helsinki, Haartmaninkatu 8, 00290 Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | - S Russo
- Laboratory of Immunovirotherapy, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5E, 00790 Helsinki, Finland; TRIMM, Translational Immunology Research Program, University of Helsinki, Haartmaninkatu 8, 00290 Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | - E Ylösmäki
- Laboratory of Immunovirotherapy, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5E, 00790 Helsinki, Finland; TRIMM, Translational Immunology Research Program, University of Helsinki, Haartmaninkatu 8, 00290 Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland
| | - V Cerullo
- Laboratory of Immunovirotherapy, Drug Research Program, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5E, 00790 Helsinki, Finland; TRIMM, Translational Immunology Research Program, University of Helsinki, Haartmaninkatu 8, 00290 Helsinki, Finland; iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland; Department of Molecular Medicine and Medical Biotechnology and CEINGE, Naples University Federico II, S. Pansini 5, 80131 Naples, Italy.
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A potential bat adenovirus-based oncolytic virus targeting canine cancers. Sci Rep 2021; 11:16706. [PMID: 34408176 PMCID: PMC8373906 DOI: 10.1038/s41598-021-96101-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 07/28/2021] [Indexed: 12/17/2022] Open
Abstract
Although a canine adenovirus (CAdV)-based oncolytic virus (OV) candidate targeting canine tumors has been reported, its oncolytic effect could be attenuated by CAdV vaccine-induced neutralizing antibodies in dog patients. To circumvent this issue, we focused on the bat adenovirus (BtAdV) strain, which was previously isolated from healthy microbats. We previously showed that this virus replicated efficiently in canine cell lines and did not serologically cross-react with CAdVs, suggesting that it may offer the possibility of an OV candidate for canine tumors. Here, we tested the growth properties and cytotoxicity of the BtAdV Mm32 strain in a panel of canine tumor cells and found that its characteristics were equivalent to those of CAdVs. To produce an Mm32 construct with enhanced tumor specificity, we established a novel reverse genetics system for BtAdV based on bacterial artificial chromosomes, and generated a recombinant virus, Mm32-E1Ap + cTERTp, by inserting a tumor-specific canine telomerase reverse transcriptase promoter into its E1A regulatory region. The growth and cytotoxicity of this recombinant were superior to those of wild-type Mm32 in canine tumor cells, unlike in normal canine cells. These data suggest that Mm32-E1Ap + cTERTp could be a promising OV for alternative canine cancer therapies.
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11
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Varudkar N, Oyer JL, Copik A, Parks GD. Oncolytic parainfluenza virus combines with NK cells to mediate killing of infected and non-infected lung cancer cells within 3D spheroids: role of type I and type III interferon signaling. J Immunother Cancer 2021; 9:jitc-2021-002373. [PMID: 34172515 PMCID: PMC8237729 DOI: 10.1136/jitc-2021-002373] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2021] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND There is intense interest in developing novel oncolytic viruses, which can be used in cancer therapies along with immune cells such as natural killer (NK) cells. We have previously developed a particle-based method for in vitro expansion of highly cytotoxic human NK cells (PM21-NK cells). Here, we have tested the hypothesis that oncolytic parainfluenza virus 5 (P/V virus) can combine with PM21-NK cells for targeted killing of lung cancer cells. METHODS PM21-NK cells were assayed for killing of P/V virus-infected A549, H1299 and Calu-1 lung cancer cells in two-dimensional (2D) and three-dimensional (3D) cultures using flow cytometry, luminescence and kinetic imaging-based methods. Blocking antibodies were used to evaluate NK cell activating receptors involved in PM21-NK cell killing of infected target cells. Media transfer experiments tested soluble factors that increase PM21-NK cell killing of both P/V virus-infected and uninfected tumor cells. RESULTS In 2D cultures, PM21-NK cells efficiently killed P/V virus-infected cancer cells compared with non-infected cells, through involvement of the viral glycoprotein and NK cell receptors NKp30, NKp46 and NKG2D. In 3D spheroid cultures, P/V virus infection was restricted to the outer layer of the spheroid. However, PM21-NK cells were able to more efficiently kill both the outer layer of infected cells in the spheroid and progressing further to kill the uninfected interior cells. Media transfer experiments demonstrated that P/V virus infection produced both type I and type III interferons, which decreased cell growth, which contributed to a reduction in the overall number of uninfected tumor cells in conjunction with PM21-NK cells. Across five cancer cell lines, the contribution of P/V virus infection on PM21-NK cell killing of target cells correlated with interferon induction. CONCLUSION Our data support the potential of combining oncolytic parainfluenza virus with PM21-NK cell adoptive therapy against lung cancer.
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Affiliation(s)
- Namita Varudkar
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, USA
| | - Jeremiah L Oyer
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, USA
| | - Alicja Copik
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, USA
| | - Griffith D Parks
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, USA
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12
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Zhang CD, Wang YL, Zhou DM, Zhu MY, Lv Y, Hao XQ, Qu CF, Chen Y, Gu WZ, Wu BQ, Chen PC, Zhao ZY. A recombinant Chinese measles virus vaccine strain rMV-Hu191 inhibits human colorectal cancer growth through inducing autophagy and apoptosis regulating by PI3K/AKT pathway. Transl Oncol 2021; 14:101091. [PMID: 33848808 PMCID: PMC8063909 DOI: 10.1016/j.tranon.2021.101091] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/15/2021] [Accepted: 03/30/2021] [Indexed: 02/07/2023] Open
Abstract
The recombinant Chinese measles virus vaccine strain rMV-Hu191 induced efficient infection and oncolytic effects in human CRC both in vitro and in vivo. rMV-Hu191 induced the caspase-dependent apoptosis and complete autophagy in CRC cells. Autophagy served as a protective role in human CRC cells’ apoptosis induced by rMV-Hu191. rMV-Hu191-induced autophagy and apoptosis were regulated by the PI3K/AKT signaling pathway in human CRC.
The potential therapeutic effects of oncolytic measles virotherapy have been verified against plenty of malignancies. However, the oncolytic effects and underlying mechanisms of the recombinant Chinese measles virus vaccine strain Hu191 (rMV-Hu191) against human colorectal cancer (CRC) remain elusive. In this study, the antitumor effects of rMV-Hu191 were evaluated in CRC both in vitro and in vivo. From our data, rMV-Hu191 induced remarkably caspase-dependent apoptosis and complete autophagy in vitro. In mice bearing CRC xenografts, tumor volume was remarkably suppressed and median survival was prolonged significantly with intratumoral treatment of rMV-Hu191. To gain further insight into the relationship of rMV-Hu191-induced apoptosis and autophagy, we utilized Rapa and shATG7 to regulate autophagy. Our data suggested that autophagy was served as a protective role in rMV-Hu191-induced apoptosis in CRC. PI3K/AKT signaling pathway as one of the common upstream pathways of apoptosis and autophagy was activated in CRC after treatment with rMV-Hu191. And inhibition of PI3K/AKT pathway using LY294002 was accompanied by enhanced apoptosis and decreased autophagy which suggested that PI3K/AKT pathway promoted rMV-Hu191-induced autophagy and inhibited rMV-Hu191-induced apoptosis. This is the first study to demonstrate that rMV-Hu191 could be used as a potentially effective therapeutic agent in CRC treatment. As part of the underlying cellular mechanisms, apoptosis and autophagy were involved in the oncolytic effects generated by rMV-Hu191. And the cross-talk between these two processes and the PI3K/AKT signaling pathway was well identified.
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Affiliation(s)
- Chu-di Zhang
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China; Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang. China.
| | - Yi-Long Wang
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China.
| | - Dong-Ming Zhou
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China.
| | - Meng-Ying Zhu
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China; Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang. China.
| | - Yao Lv
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China.
| | - Xiao-Qiang Hao
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China.
| | - Chu-Fan Qu
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China; Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang. China.
| | - Yi Chen
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China; Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang. China.
| | - Wei-Zhong Gu
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China.
| | - Ben-Qing Wu
- University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen 518000, China.
| | - Pei-Chun Chen
- University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen 518000, China.
| | - Zheng-Yan Zhao
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, Zhejiang. China; Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang. China.
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13
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Carpenter AB, Carpenter AM, Aiken R, Hanft S. Oncolytic virus in gliomas: a review of human clinical investigations. Ann Oncol 2021; 32:968-982. [PMID: 33771666 DOI: 10.1016/j.annonc.2021.03.197] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 12/15/2022] Open
Abstract
Gliomas remain one of the more frustrating targets for oncologic therapy. Glioma resistance to conventional therapeutics is a product of their immune-privileged milieu behind the blood-brain barrier, in addition to their suppressive effect on the immune response itself. Taking the lead from the growing success of immunotherapy for systemic cancers, such as lung cancer and melanoma, immunotherapeutics has emerged as a major player in the potential treatment of gliomas, with oncolytic viruses in particular showing significant promise as evidenced by the recent Breakthrough and Fast Tract Designations for PVSRIPO and DNX2401. This review serves as a useful and updated compendium of the completed human clinical investigations for several oncolytic viruses in the treatment of gliomas.
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Affiliation(s)
- A B Carpenter
- Georgetown University School of Medicine, Washington, USA.
| | - A M Carpenter
- Department of Neurological Surgery, Neurological Institute of New Jersey, Rutgers New Jersey Medical School, Newark, USA
| | - R Aiken
- Gerald J. Glasser Brain Tumor Center, Atlantic Healthcare, Summit, USA
| | - S Hanft
- Department of Neurological Surgery, Westchester Medical Center, New York Medical College, Valhalla, USA
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14
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Muñoz-Alía MÁ, Nace RA, Tischer A, Zhang L, Bah ES, Auton M, Russell SJ. MeV-Stealth: A CD46-specific oncolytic measles virus resistant to neutralization by measles-immune human serum. PLoS Pathog 2021; 17:e1009283. [PMID: 33534834 PMCID: PMC7886131 DOI: 10.1371/journal.ppat.1009283] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 02/16/2021] [Accepted: 01/05/2021] [Indexed: 02/07/2023] Open
Abstract
The frequent overexpression of CD46 in malignant tumors has provided a basis to use vaccine-lineage measles virus (MeV) as an oncolytic virotherapy platform. However, widespread measles seropositivity limits the systemic deployment of oncolytic MeV for the treatment of metastatic neoplasia. Here, we report the development of MeV-Stealth, a modified vaccine MeV strain that exhibits oncolytic properties and escapes antimeasles antibodies in vivo. We engineered this virus using homologous envelope glycoproteins from the closely-related but serologically non-cross reactive canine distemper virus (CDV). By fusing a high-affinity CD46 specific single-chain antibody fragment (scFv) to the CDV-Hemagglutinin (H), ablating its tropism for human nectin-4 and modifying the CDV-Fusion (F) signal peptide we achieved efficient retargeting to CD46. A receptor binding affinity of ~20 nM was required to trigger CD46-dependent intercellular fusion at levels comparable to the original MeV H/F complex and to achieve similar antitumor efficacy in myeloma and ovarian tumor-bearing mice models. In mice passively immunized with measles-immune serum, treatment of ovarian tumors with MeV-Stealth significantly increased overall survival compared with treatment with vaccine-lineage MeV. Our results show that MeV-Stealth effectively targets and lyses CD46-expressing cancer cells in mouse models of ovarian cancer and myeloma, and evades inhibition by human measles-immune serum. MeV-Stealth could therefore represent a strong alternative to current oncolytic MeV strains for treatment of measles-immune cancer patients. Vaccine strains of the measles virus (MeV) have been shown to be promising anti-cancer agents because of the frequent overexpression of the host-cell receptor CD46 in human malignancies. However, anti-MeV antibodies in the human population severely restrict the use of MeV as an oncolytic agent. Here, we engineered a neutralization-resistant MeV vaccine, MeV-Stealth, by replacing its envelope glycoproteins with receptor-targeted glycoproteins from wild-type canine distemper virus. By fully-retargeting the new envelope to the receptor CD46, we found that in mouse models of ovarian cancer and myeloma MeV-Stealth displayed oncolytic properties similar to the parental MeV vaccine. Furthermore, we found that passive immunization with measles-immune human serum did not eliminate the oncolytic potency of the MeV-Stealth, whereas it did destroy the potency of the parental MeV strain. The virus we here report may be considered a suitable oncolytic agent for the treatment of MeV-immune patients.
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Affiliation(s)
- Miguel Ángel Muñoz-Alía
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, United States of America
- * E-mail: (MÁM-A); (SJR)
| | - Rebecca A. Nace
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Alexander Tischer
- Division of Hematology, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Lianwen Zhang
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Eugene S. Bah
- Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, United States of America
| | - Matthew Auton
- Division of Hematology, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Stephen J. Russell
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, United States of America
- Division of Hematology, Mayo Clinic, Rochester, Minnesota, United States of America
- * E-mail: (MÁM-A); (SJR)
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15
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Sasso E, D'Alise AM, Zambrano N, Scarselli E, Folgori A, Nicosia A. New viral vectors for infectious diseases and cancer. Semin Immunol 2020; 50:101430. [PMID: 33262065 DOI: 10.1016/j.smim.2020.101430] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/23/2020] [Accepted: 11/16/2020] [Indexed: 12/12/2022]
Abstract
Since the discovery in 1796 by Edward Jenner of vaccinia virus as a way to prevent and finally eradicate smallpox, the concept of using a virus to fight another virus has evolved into the current approaches of viral vectored genetic vaccines. In recent years, key improvements to the vaccinia virus leading to a safer version (Modified Vaccinia Ankara, MVA) and the discovery that some viruses can be used as carriers of heterologous genes encoding for pathological antigens of other infectious agents (the concept of 'viral vectors') has spurred a new wave of clinical research potentially providing for a solution for the long sought after vaccines against major diseases such as HIV, TB, RSV and Malaria, or emerging infectious diseases including those caused by filoviruses and coronaviruses. The unique ability of some of these viral vectors to stimulate the cellular arm of the immune response and, most importantly, T lymphocytes with cell killing activity, has also reawakened the interest toward developing therapeutic vaccines against chronic infectious diseases and cancer. To this end, existing vectors such as those based on Adenoviruses have been improved in immunogenicity and efficacy. Along the same line, new vectors that exploit viruses such as Vesicular Stomatitis Virus (VSV), Measles Virus (MV), Lymphocytic choriomeningitis virus (LCMV), cytomegalovirus (CMV), and Herpes Simplex Virus (HSV), have emerged. Furthermore, technological progress toward modifying their genome to render some of these vectors incompetent for replication has increased confidence toward their use in infant and elderly populations. Lastly, their production process being the same for every product has made viral vectored vaccines the technology of choice for rapid development of vaccines against emerging diseases and for 'personalised' cancer vaccines where there is an absolute need to reduce time to the patient from months to weeks or days. Here we review the recent developments in viral vector technologies, focusing on novel vectors based on primate derived Adenoviruses and Poxviruses, Rhabdoviruses, Paramixoviruses, Arenaviruses and Herpesviruses. We describe the rationale for, immunologic mechanisms involved in, and design of viral vectored gene vaccines under development and discuss the potential utility of these novel genetic vaccine approaches in eliciting protection against infectious diseases and cancer.
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Affiliation(s)
- Emanuele Sasso
- Nouscom srl, Via di Castel Romano 100, 00128 Rome, Italy; Ceinge-Biotecnologie Avanzate S.C. A.R.L., via Gaetano Salvatore 486, 80145 Naples, Italy.
| | | | - Nicola Zambrano
- Ceinge-Biotecnologie Avanzate S.C. A.R.L., via Gaetano Salvatore 486, 80145 Naples, Italy; Department of Molecular Medicine and Medical Biotechnology, University Federico II, Via Pansini 5, 80131 Naples, Italy.
| | | | | | - Alfredo Nicosia
- Ceinge-Biotecnologie Avanzate S.C. A.R.L., via Gaetano Salvatore 486, 80145 Naples, Italy; Department of Molecular Medicine and Medical Biotechnology, University Federico II, Via Pansini 5, 80131 Naples, Italy.
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