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Yang A, Wang X, Jin L, Luo H, Yang Z, Yang N, Lin X, Yang Y, Zhao X, He Z. Human umbilical cord mesenchymal stem cell exosomes deliver potent oncolytic reovirus to acute myeloid leukemia cells. Virology 2024; 598:110171. [PMID: 39018682 DOI: 10.1016/j.virol.2024.110171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/02/2024] [Accepted: 07/08/2024] [Indexed: 07/19/2024]
Abstract
In addition to chemotherapy, oncolytic viruses are an efficient treatment for acute myeloid leukemia (AML). Like other oncolytic viruses, the anti-tumor efficacy of reovirus when administered intravenously is reduced due to the presence of neutralizing antibodies. In this study, we evaluated the role of exosomes in human umbilical cord-derived mesenchymal stem cells (UC-MSCs) to deliver reovirus to AML cells. We show that UC-MSCs loaded with reovirus can deliver reovirus to tumor cells without cellular contact. We further demonstrate that the exosome inhibitor, GW4869, inhibits the release of exosomes as well as inhibited the transfer of reovirus from UC-MSCs to tumor cells. Mechanistically, we show that exosomes derived from reovirus-infected UC-MSCs (MSCREO-EXOs) have a tumor lysis effect and transmit reovirus to tumor cells mainly through clathrin-mediated endocytosis (CME) and macropinocytosis. In addition, we demonstrate the feasibility of using MSC-derived exosomes (MSC-EXOs) as a reovirus carrier to exert an anti-tumor effect on AML cells. Collectively, our data indicate that UC-MSCs transfer reovirus to AML cells via exosome release and prompt further study of MSC-EXOs as a potential reovirus carrier to treat AML.
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Affiliation(s)
- Anqing Yang
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Xianyao Wang
- Department of Immunology, College of Basic Medical Sciences, Zunyi Medical University, Zunyi, Gui-zhou, China
| | - Lu Jin
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Heyong Luo
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Zhiru Yang
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Na Yang
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Xiaojin Lin
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Biology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Yuxin Yang
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China
| | - Xing Zhao
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China.
| | - Zhixu He
- Stem Cell and Tissue Engineering Research Center/School of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang, Guizhou, China; Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Key Laboratory of Adult Stem Cell Translational Research, Chinese Academy of Medical Sciences, Guiyang, China.
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Mohamed AH, Shafie A, Abdulmonem WA, Alzahrani HS, Ashour AA, Hjazi A, Jamal A, Aldreiwish AD, Kamal MA, Ahmad F, Khan N. Mesenchymal stem cells and their potential therapeutic benefits and challenges in the treatment and pathogenesis of gastric cancer. Pathol Res Pract 2024; 260:155422. [PMID: 38981347 DOI: 10.1016/j.prp.2024.155422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/08/2024] [Accepted: 06/19/2024] [Indexed: 07/11/2024]
Abstract
Mesenchymal stem/stromal cells (MSCs) are acknowledged for their remarkable ability to undergo differentiation into various cell types. In addition, they exhibit anti-tumor characteristics, prompting endeavors to modify MSCs for employment in cancer therapies. On the contrary, it is imperative to recognize that MSCs have been extensively linked to pathways that facilitate the advancement of tumors. Numerous research studies have sought to modify MSCs for clinical application; however, the outcomes have been ambiguous, potentially due to the heterogeneity of MSC populations. Furthermore, the conflicting roles of MSCs in suppressing and promoting tumor growth present a challenge to the appropriateness of their use in anti-cancer therapies. Currently, there exists a lack of comprehensive comprehension concerning the anti-tumor and pro-tumor characteristics of MSCs for gastric cancer (GC). This article discusses the influence of MSCs on GC, the underlying mechanisms, the origins of MSCs, and their effects. This review article also elucidates how MSCs exhibit dual characteristics of promoting and inhibiting tumor growth. Hence, it is of utmost importance that clinical inquiries aimed at utilizing MSCs as a therapeutic intervention for cancer consider the potentiality of MSCs to accelerate the progression of GC. It is crucial to exercise caution throughout the process of developing MSC-based cellular therapies to enhance their anti-cancer attributes while simultaneously eliminating their tumor-promoting impacts.
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Affiliation(s)
- Asma'a H Mohamed
- Biomedical Engineering Department, College of Engineering and Technologies, Al-Mustaqbal University, Hilla, Babil 51001, Iraq.
| | - Alaa Shafie
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O.Box 11099, Taif 21944, Saudi Arabia
| | - Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Hassan Swed Alzahrani
- Counselling healthy marriage, maternity and children hospital, Jeddah second cluster, Jeddah, Saudi Arabia
| | - Amal Adnan Ashour
- Department of Oral & Maxillofacial Surgery and Diagnostic Sciences, Faculty of Dentistry. Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ahmed Hjazi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Azfar Jamal
- Department of Biology, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia; Health and Basic Science Research Centre, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Allolo D Aldreiwish
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Mohammad Azhar Kamal
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
| | - Fuzail Ahmad
- Respiratory Care Department, College of Applied Sciences, Almaarefa University, Diriya, Riyadh 13713, Saudi Arabia
| | - Nazia Khan
- Department of Basic Medical Sciences, College of Medicine, Majmaah University, Al-Majmaah 11952, Saudi Arabia.
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3
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Zhu J, Ma J, Huang M, Deng H, Shi G. Emerging delivery strategy for oncolytic virotherapy. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200809. [PMID: 38845744 PMCID: PMC11153257 DOI: 10.1016/j.omton.2024.200809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/09/2024]
Abstract
Oncolytic virotherapy represents a promising approach in cancer immunotherapy. The primary delivery method for oncolytic viruses (OVs) is intratumoral injection, which apparently limits their clinical application. For patients with advanced cancer with disseminated metastasis, systemic administration is considered the optimal approach. However, the direct delivery of naked viruses through intravenous injection presents challenges, including rapid clearance by the immune system, inadequate accumulation in tumors, and significant side effects. Consequently, the development of drug delivery strategies has led to the emergence of various bio-materials serving as viral vectors, thereby improving the anti-tumor efficacy of oncolytic virotherapy. This review provides an overview of innovative strategies for delivering OVs, with a focus on nanoparticle-based or cell-based delivery systems. Recent pre-clinical and clinical studies are examined to highlight the enhanced efficacy of systemic delivery using these novel platforms. In addition, prevalent challenges in current research are briefly discussed, and potential solutions are proposed.
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Affiliation(s)
- Jiao Zhu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
- Division of Thoracic Tumor Multimodality Treatment and Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jinhu Ma
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Meijuan Huang
- Division of Thoracic Tumor Multimodality Treatment and Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hongxin Deng
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Gang Shi
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
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Nia GE, Nikpayam E, Farrokhi M, Bolhassani A, Meuwissen R. Advances in cell-based delivery of oncolytic viruses as therapy for lung cancer. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200788. [PMID: 38596310 PMCID: PMC10976516 DOI: 10.1016/j.omton.2024.200788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Lung cancer's intractability is enhanced by its frequent resistance to (chemo)therapy and often high relapse rates that make it the leading cause of cancer death worldwide. Improvement of therapy efficacy is a crucial issue that might lead to a significant advance in the treatment of lung cancer. Oncolytic viruses are desirable combination partners in the developing field of cancer immunotherapy due to their direct cytotoxic effects and ability to elicit an immune response. Systemic oncolytic virus administration through intravenous injection should ideally lead to the highest efficacy in oncolytic activity. However, this is often hampered by the prevalence of host-specific, anti-viral immune responses. One way to achieve more efficient systemic oncolytic virus delivery is through better protection against neutralization by several components of the host immune system. Carrier cells, which can even have innate tumor tropism, have shown their appropriateness as effective vehicles for systemic oncolytic virus infection through circumventing restrictive features of the immune system and can warrant oncolytic virus delivery to tumors. In this overview, we summarize promising results from studies in which carrier cells have shown their usefulness for improved systemic oncolytic virus delivery and better oncolytic virus therapy against lung cancer.
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Affiliation(s)
- Giti Esmail Nia
- Faculty of Allied Medicine, Cellular and Molecular Research Centre, Iran University of Medical Science, Tehran, Iran
- Department of Basic Oncology, Health Institute of Ege University, Izmir, Turkey
| | - Elahe Nikpayam
- Department of Regenerative and Cancer Biology, Albany Medical College, Albany, NY, USA
| | | | - Azam Bolhassani
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
| | - Ralph Meuwissen
- Department of Basic Oncology, Health Institute of Ege University, Izmir, Turkey
- Ege University Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir, Turkey
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5
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Khushalani NI, Harrington KJ, Melcher A, Bommareddy PK, Zamarin D. Breaking the barriers in cancer care: The next generation of herpes simplex virus-based oncolytic immunotherapies for cancer treatment. Mol Ther Oncolytics 2023; 31:100729. [PMID: 37841530 PMCID: PMC10570124 DOI: 10.1016/j.omto.2023.100729] [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] [Indexed: 10/17/2023] Open
Abstract
Since the US Food and Drug Administration first approved talimogene laherparepvec for the treatment of melanoma in 2015, the field of oncolytic immunotherapy (OI) has rapidly evolved. There are numerous ongoing clinical studies assessing the clinical activity of OIs across a wide range of tumor types. Further understanding of the mechanisms underlying the anti-tumor immune response has led to the development of OIs with improved immune-mediated preclinical efficacy. In this review, we discuss the key approaches for developing the next generation of herpes simplex virus-based OIs. Modifications to the viral genome and incorporation of transgenes to promote safety, tumor-selective replication, and immune stimulation are reviewed. We also review the advantages and disadvantages of intratumoral versus intravenous administration, summarize clinical evidence supporting the use of OIs as a strategy to overcome resistance to immune checkpoint blockade, and consider emerging opportunities to improve OI efficacy in the combination setting.
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Steenbrugge J, Pauwelyn G, Demeyere K, Devriendt N, de Rooster H, Sanders NN, Spaas JH, Meyer E. Xenogeneic equine stem cells activate anti-tumor adaptive immunity in a 4T1-based intraductal mouse model for triple-negative breast cancer: proof-of-principle. Front Immunol 2023; 14:1252374. [PMID: 37928528 PMCID: PMC10623058 DOI: 10.3389/fimmu.2023.1252374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/03/2023] [Indexed: 11/07/2023] Open
Abstract
Triple-negative breast cancer (TNBC) remains difficult to treat, especially due to ineffective immune responses. Current treatments mainly aim at a cytotoxic effect, whereas (stem) cell therapies are being investigated for their immune stimulatory capacities to initiate the anti-tumor immunity. Here, a thoroughly characterized, homogenous and non-tumorigenic mixture of equine mesenchymal stem cells (eMSCs) harvested from horse peripheral blood as innovative xenogeneic immunomodulators were tested in a 4T1-based intraductal mouse model for TNBC. The eMSCs significantly reduced 4T1 progression upon systemic injection, with induction of inflammatory mediators and T-cell influx in primary tumors, already after a single dose. These xenogeneic anti-cancer effects were not restricted to MSCs as systemic treatment with alternative equine epithelial stem cells (eEpSCs) mimicked the reported disease reduction. Mechanistically, effective eMSC treatment did not rely on the spleen as systemic entrapment site, whereas CD4+ and CD8α+ T-cell infiltration and activation were critical. These results show that eMSCs and potentially also other equine stem cell types can be a valuable TNBC treatment strategy for further (pre)clinical evaluation.
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Affiliation(s)
- Jonas Steenbrugge
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Glenn Pauwelyn
- Boehringer Ingelheim Veterinary Medicine Belgium, Evergem, Belgium
| | - Kristel Demeyere
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Nausikaa Devriendt
- Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Hilde de Rooster
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Small Animal Department, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Niek N. Sanders
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Laboratory of Gene Therapy, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Jan H. Spaas
- Department of Morphology, Imaging, Orthopedics, Rehabilitation and Nutrition, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
- Boehringer-Ingelheim Animal Health USA, Athens, GA, United States
| | - Evelyne Meyer
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
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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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Sousa-Pimenta M, Martins Â, Machado V. Oncolytic viruses in hematological malignancies: hijacking disease biology and fostering new promises for immune and cell-based therapies. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 379:189-219. [PMID: 37541724 DOI: 10.1016/bs.ircmb.2023.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2023]
Abstract
The increased tropism for malignant cells of some viruses has been highlighted in recent studies, prompting their use as a strategy to modify the transcriptional profile of those cells, while sparing the healthy ones. Likewise, they have been recognized as players modulating microenvironmental immunity, namely through an increase in antigen-presenting, natural-killer, and T CD8+ cytotoxic cells by a cross-priming mechanism elicited by tumor-associated antigens. The immunomodulatory role of the oncolytic virus seems relevant in hematological malignancies, which may relapse as a result of a proliferative burst elicited by an external stimulus in progenitor or neoplastic stem cells. By reprogramming the host cells and the surrounding environment, the potential of virotherapy ranges from the promise to eradicate the minimal measurable disease (in acute leukemia, for example), to the ex vivo purging of malignant progenitor cells in the setting of autologous bone marrow transplantation. In this review, we analyze the recent advances in virotherapy in hematological malignancies, either when administered alone or together with chemotherapeutic agents or other immunomodulators.
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Affiliation(s)
- Mário Sousa-Pimenta
- Serviço de Onco-Hematologia, Instituto Português de Oncologia do Porto, Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Departamento de Biomedicina, Unidade de Farmacologia e Terapêutica, Faculdade de Medicina da Universidade do Porto, Universidade do Porto, Porto, Portugal.
| | - Ângelo Martins
- Serviço de Onco-Hematologia, Instituto Português de Oncologia do Porto, Porto, Portugal
| | - Vera Machado
- Grupo de Oncologia Molecular e Patologia Viral, Centro de investigação do IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Instituto português de Oncologia do Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), LAB2, Rua Dr António Bernardino de Almeida, Porto, Portugal
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Duan S, Wang S, Qiao L, Yu X, Wang N, Chen L, Zhang X, Zhao X, Liu H, Wang T, Wu Y, Li N, Liu F. Oncolytic Virus-Driven Biotherapies from Bench to Bedside. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206948. [PMID: 36879416 DOI: 10.1002/smll.202206948] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/17/2023] [Indexed: 06/08/2023]
Abstract
With advances in cancer biology and an ever-deepening understanding of molecular virology, oncolytic virus (OV)-driven therapies have developed rapidly and become a promising alternative to traditional cancer therapies. In recent years, satisfactory results for oncolytic virus therapy (OVT) are achieved at both the cellular and organismal levels, and efforts are being increasingly directed toward clinical trials. Unfortunately, OVT remains ineffective in these trials, especially when performed using only a single OV reagent. In contrast, integrated approaches, such as using immunotherapy, chemotherapy, or radiotherapy, alongside OVT have demonstrated considerable efficacy. The challenges of OVT in clinical efficacy include the restricted scope of intratumoral injections and poor targeting of intravenous administration. Further optimization of OVT delivery is needed before OVs become a viable therapy for tumor treatment. In this review, the development process and antitumor mechanisms of OVs are introduced. The advances in OVT delivery routes to provide perspectives and directions for the improvement of OVT delivery are highlighted. This review also discusses the advantages and limitations of OVT monotherapy and combination therapy through the lens of recent clinical trials and aims to chart a course toward safer and more effective OVT strategies.
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Affiliation(s)
- Shijie Duan
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Shuhang Wang
- Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Lei Qiao
- Colorectal and Henia Minimally Invasive Surgery Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China
| | - Xinbo Yu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Nan Wang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Liting Chen
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Xinyuan Zhang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Xu Zhao
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Hongyu Liu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Tianye Wang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Ying Wu
- Phase I Clinical Trials Center, The First Hospital of China Medical University, Department of General Practice, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Ning Li
- Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Funan Liu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110001, China
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Reale A, Krutzke L, Cadamuro M, Vitiello A, von Einem J, Kochanek S, Palù G, Parolin C, Calistri A. Human Monocytes Are Suitable Carriers for the Delivery of Oncolytic Herpes Simplex Virus Type 1 In Vitro and in a Chicken Embryo Chorioallantoic Membrane Model of Cancer. Int J Mol Sci 2023; 24:ijms24119255. [PMID: 37298206 DOI: 10.3390/ijms24119255] [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: 05/10/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Oncolytic viruses (OVs) are promising therapeutics for tumors with a poor prognosis. An OV based on herpes simplex virus type 1 (oHSV-1), talimogene laherparepvec (T-VEC), has been recently approved by the Food and Drug Administration (FDA) and by the European Medicines Agency (EMA) for the treatment of unresectable melanoma. T-VEC, like most OVs, is administered via intratumoral injection, underlining the unresolved problem of the systemic delivery of the oncolytic agent for the treatment of metastases and deep-seated tumors. To address this drawback, cells with a tropism for tumors can be loaded ex vivo with OVs and used as carriers for systemic oncolytic virotherapy. Here, we evaluated human monocytes as carrier cells for a prototype oHSV-1 with a similar genetic backbone as T-VEC. Many tumors specifically recruit monocytes from the bloodstream, and autologous monocytes can be obtained from peripheral blood. We demonstrate here that oHSV-1-loaded primary human monocytes migrated in vitro towards epithelial cancer cells of different origin. Moreover, human monocytic leukemia cells selectively delivered oHSV-1 to human head-and-neck xenograft tumors grown on the chorioallantoic membrane (CAM) of fertilized chicken eggs after intravascular injection. Thus, our work shows that monocytes are promising carriers for the delivery of oHSV-1s in vivo, deserving further investigation in animal models.
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Affiliation(s)
- Alberto Reale
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Lea Krutzke
- Department of Gene Therapy, Ulm University Medical Center, 89081 Ulm, Germany
| | | | - Adriana Vitiello
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Jens von Einem
- Institute of Virology, Ulm University Medical Center, 89081 Ulm, Germany
| | - Stefan Kochanek
- Department of Gene Therapy, Ulm University Medical Center, 89081 Ulm, Germany
| | - Giorgio Palù
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Cristina Parolin
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Arianna Calistri
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
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11
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Oncolytic viruses as emerging therapy against cancers including Oncovirus-induced cancers. Eur J Pharmacol 2023; 939:175393. [PMID: 36435236 DOI: 10.1016/j.ejphar.2022.175393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/03/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022]
Abstract
There are several human viruses with known potential for causing cancers including, Hepatitis B virus, Hepatitis C virus, Epstein-Barr virus, Kaposi's sarcoma herpesvirus, Human T-cell lymphotropic virus, Human papillomavirus, and Merkel cell polyomavirus. Cancer is the second leading cause of death that affects humans worldwide, especially in developing countries. Surgery, chemotherapy, and radiotherapy can cure about 60% of humans with cancer but recurrent and metastatic diseases remain a major reason for death. In recent years, understanding the molecular characteristics of cancer cells has led to the improvement of therapeutic strategies using novel emerging therapies. Oncolytic viruses with the potential of lysing cancer cells defined the field of oncolytic virology, hence becoming a biotechnology tool rather than just a cause of disease. This study mainly focused on targeting cell proliferation and death pathways in human tumor-inducing viruses by developing innovative therapies for cancer patients based on the natural oncolytic properties of reovirus. To kill tumor cells efficiently and reduce the chance of recurrence both the direct ability of reovirus infection to lyse the tumor cells and the stimulation of a potent host immune response are applied. Hence, bioengineered stem cells can be used as smart carriers to improve the efficacy of oncolytic reovirus and safety profiles.
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12
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Extracellular Vesicles and Viruses: Two Intertwined Entities. Int J Mol Sci 2023; 24:ijms24021036. [PMID: 36674550 PMCID: PMC9861478 DOI: 10.3390/ijms24021036] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/13/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Viruses share many attributes in common with extracellular vesicles (EVs). The cellular machinery that is used for EV production, packaging of substrates and secretion is also commonly manipulated by viruses for replication, assembly and egress. Viruses can increase EV production or manipulate EVs to spread their own genetic material or proteins, while EVs can play a key role in regulating viral infections by transporting immunomodulatory molecules and viral antigens to initiate antiviral immune responses. Ultimately, the interactions between EVs and viruses are highly interconnected, which has led to interesting discoveries in their associated roles in the progression of different diseases, as well as the new promise of combinational therapeutics. In this review, we summarize the relationships between viruses and EVs and discuss major developments from the past five years in the engineering of virus-EV therapies.
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13
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Li X, Sun X, Wang B, Li Y, Tong J. Oncolytic virus-based hepatocellular carcinoma treatment: Current status, intravenous delivery strategies, and emerging combination therapeutic solutions. Asian J Pharm Sci 2023; 18:100771. [PMID: 36896445 PMCID: PMC9989663 DOI: 10.1016/j.ajps.2022.100771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/24/2022] [Accepted: 12/04/2022] [Indexed: 12/30/2022] Open
Abstract
Current treatments for advanced hepatocellular carcinoma (HCC) have limited success in improving patients' quality of life and prolonging life expectancy. The clinical need for more efficient and safe therapies has contributed to the exploration of emerging strategies. Recently, there has been increased interest in oncolytic viruses (OVs) as a therapeutic modality for HCC. OVs undergo selective replication in cancerous tissues and kill tumor cells. Strikingly, pexastimogene devacirepvec (Pexa-Vec) was granted an orphan drug status in HCC by the U.S. Food and Drug Administration (FDA) in 2013. Meanwhile, dozens of OVs are being tested in HCC-directed clinical and preclinical trials. In this review, the pathogenesis and current therapies of HCC are outlined. Next, we summarize multiple OVs as single therapeutic agents for the treatment of HCC, which have demonstrated certain efficacy and low toxicity. Emerging carrier cell-, bioengineered cell mimetic- or nonbiological vehicle-mediated OV intravenous delivery systems in HCC therapy are described. In addition, we highlight the combination treatments between oncolytic virotherapy and other modalities. Finally, the clinical challenges and prospects of OV-based biotherapy are discussed, with the aim of continuing to develop a fascinating approach in HCC patients.
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Affiliation(s)
- Xinguo Li
- The First Hospital of China Medical University, Shenyang 110001, China
| | - Xiaonan Sun
- The 4th People's Hospital of Shenyang, Shenyang 110031, China
| | - Bingyuan Wang
- The First Hospital of China Medical University, Shenyang 110001, China
| | - Yiling Li
- The First Hospital of China Medical University, Shenyang 110001, China
| | - Jing Tong
- The First Hospital of China Medical University, Shenyang 110001, China
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14
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Nguyen DH, Herrmann T, Härtl B, Draganov D, Minev I, Neuharth F, Gomez A, Alamillo A, Schneider LE, Kleinholz D, Minev B, Santidrian AF. Development of Allogeneic Stem Cell-Based Platform for Delivery and Potentiation of Oncolytic Virotherapy. Cancers (Basel) 2022; 14:cancers14246136. [PMID: 36551636 PMCID: PMC9777144 DOI: 10.3390/cancers14246136] [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: 09/27/2022] [Revised: 11/30/2022] [Accepted: 12/05/2022] [Indexed: 12/15/2022] Open
Abstract
We describe the repurposing and optimization of the TK-positive (thymidine kinase) vaccinia virus strain ACAM1000/ACAM2000™ as an oncolytic virus. This virus strain has been widely used as a smallpox vaccine and was also used safely in our recent clinical trial in patients with advanced solid tumors and Acute Myeloid Leukemia (AML). The vaccinia virus was amplified in CV1 cells and named CAL1. CAL1 induced remarkable oncolysis in various human and mouse cancer cells and preferentially amplified in cancer cells, supporting the use of this strain as an oncolytic virus. However, the therapeutic potential of CAL1, as demonstrated with other oncolytic viruses, is severely restricted by the patients' immune system. Thus, to develop a clinically relevant oncolytic virotherapy agent, we generated a new off-the-shelf therapeutic called Supernova1 (SNV1) by loading CAL1 virus into allogeneic adipose-derived mesenchymal stem cells (AD-MSC). Culturing the CAL1-infected stem cells allows the expression of virally encoded proteins and viral amplification prior to cryopreservation. We found that the CAL1 virus loaded into AD-MSC was resistant to humoral inactivation. Importantly, the virus-loaded stem cells (SNV1) released larger number of infectious viral particles and virally encoded proteins, leading to augmented therapeutic efficacy in vitro and in animal tumor models.
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Affiliation(s)
- Duong Hoang Nguyen
- Calidi Biotherapeutics, San Diego, CA 92037, USA
- Correspondence: (D.H.N.); (A.F.S.); Tel.: +1-858-794-9600 (A.F.S.)
| | | | | | | | | | | | | | | | | | | | - Boris Minev
- Calidi Biotherapeutics, San Diego, CA 92037, USA
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, CA 92093, USA
| | - Antonio F. Santidrian
- Calidi Biotherapeutics, San Diego, CA 92037, USA
- Correspondence: (D.H.N.); (A.F.S.); Tel.: +1-858-794-9600 (A.F.S.)
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15
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Han HT, Jin WL, Li X. Mesenchymal stem cells-based therapy in liver diseases. MOLECULAR BIOMEDICINE 2022; 3:23. [PMID: 35895169 PMCID: PMC9326420 DOI: 10.1186/s43556-022-00088-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/20/2022] [Indexed: 12/24/2022] Open
Abstract
Multiple immune cells and their products in the liver together form a complex and unique immune microenvironment, and preclinical models have demonstrated the importance of imbalances in the hepatic immune microenvironment in liver inflammatory diseases and immunocompromised liver diseases. Various immunotherapies have been attempted to modulate the hepatic immune microenvironment for the purpose of treating liver diseases. Mesenchymal stem cells (MSCs) have a comprehensive and plastic immunomodulatory capacity. On the one hand, they have been tried for the treatment of inflammatory liver diseases because of their excellent immunosuppressive capacity; On the other hand, MSCs have immune-enhancing properties in immunocompromised settings and can be modified into cellular carriers for targeted transport of immune enhancers by genetic modification, physical and chemical loading, and thus they are also used in the treatment of immunocompromised liver diseases such as chronic viral infections and hepatocellular carcinoma. In this review, we discuss the immunological basis and recent strategies of MSCs for the treatment of the aforementioned liver diseases. Specifically, we update the immune microenvironment of the liver and summarize the distinct mechanisms of immune microenvironment imbalance in inflammatory diseases and immunocompromised liver diseases, and how MSCs can fully exploit their immunotherapeutic role in liver diseases with both immune imbalance patterns.
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16
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Shayan S, Arashkia A, Azadmanesh K. Modifying oncolytic virotherapy to overcome the barrier of the hypoxic tumor microenvironment. Where do we stand? Cancer Cell Int 2022; 22:370. [PMID: 36424577 PMCID: PMC9686061 DOI: 10.1186/s12935-022-02774-w] [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: 04/29/2022] [Accepted: 11/01/2022] [Indexed: 11/25/2022] Open
Abstract
Viruses are completely dependent on host cell machinery for their reproduction. As a result, factors that influence the state of cells, such as signaling pathways and gene expression, could determine the outcome of viral pathogenicity. One of the important factors influencing cells or the outcome of viral infection is the level of oxygen. Recently, oncolytic virotherapy has attracted attention as a promising approach to improving cancer treatment. However, it was shown that tumor cells are mostly less oxygenated compared with their normal counterparts, which might affect the outcome of oncolytic virotherapy. Therefore, knowing how oncolytic viruses could cope with stressful environments, particularly hypoxic environments, might be essential for improving oncolytic virotherapy.
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Affiliation(s)
- Sara Shayan
- grid.420169.80000 0000 9562 2611Department of Molecular Virology, Pasteur Institute of Iran, No. 69, Pasteur Ave, Tehran, Iran
| | - Arash Arashkia
- grid.420169.80000 0000 9562 2611Department of Molecular Virology, Pasteur Institute of Iran, No. 69, Pasteur Ave, Tehran, Iran
| | - Kayhan Azadmanesh
- grid.420169.80000 0000 9562 2611Department of Molecular Virology, Pasteur Institute of Iran, No. 69, Pasteur Ave, Tehran, Iran
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17
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Alnasser SM. Stem cell challenge in cancer progression, oncology and therapy. Gene X 2022; 840:146748. [PMID: 35868413 DOI: 10.1016/j.gene.2022.146748] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 07/07/2022] [Accepted: 07/14/2022] [Indexed: 11/04/2022] Open
Abstract
Stem cell therapy consisted in the use of cells to treat damaged tissue, especially in cancer cases. Several cancer treatment techniques are developed today. However, the effectiveness of the treatments as well as the results remain too limited. We will discuss in this work the main advantages of the use of several categories of cells in the treatment of various cancerous diseases. The analysis of the obtained results related to cell therapy across the world over a period of twenty years can help to orient the researchers to the objectives in a more relevant and more reliable manner. The complex challenges of funded cancer care are discussed to provide a clear perspective on the future of administration and current treatment methods.
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Affiliation(s)
- Sulaiman Mohammed Alnasser
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Saudi Arabia.
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18
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Cong Z, Tang S, Xie L, Yang M, Li Y, Lu D, Li J, Yang Q, Chen Q, Zhang Z, Zhang X, Wu S. Magnetic-Powered Janus Cell Robots Loaded with Oncolytic Adenovirus for Active and Targeted Virotherapy of Bladder Cancer. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201042. [PMID: 35452560 DOI: 10.1002/adma.202201042] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/09/2022] [Indexed: 02/05/2023]
Abstract
A unique robotic medical platform is designed by utilizing cell robots as the active "Trojan horse" of oncolytic adenovirus (OA), capable of tumor-selective binding and killing. The OA-loaded cell robots are fabricated by entirely modifying OA-infected 293T cells with cyclic arginine-glycine-aspartic acid tripeptide (cRGD) to specifically bind with bladder cancer cells, followed by asymmetric immobilization of Fe3 O4 nanoparticles (NPs) on the cell surface. OA can replicate in host cells and induce cytolysis to release the virus progeny to the surrounding tumor sites for sustainable infection and oncolysis. The asymmetric coating of magnetic NPs bestows the cell robots with effective movement in various media and wireless manipulation with directional migration in a microfluidic device and bladder mold under magnetic control, further enabling steerable movement and prolonged retention of cell robots in the mouse bladder. The biorecognition of cRGD and robust, controllable propulsion of cell robots work synergistically to greatly enhance their tissue penetration and anticancer efficacy in the 3D cancer spheroid and orthotopic mouse bladder tumor model. Overall, this study integrates cell-based microrobots with virotherapy to generate an attractive robotic system with tumor specificity, expanding the operation scope of cell robots in biomedical community.
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Affiliation(s)
- Zhaoqing Cong
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Songsong Tang
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Leiming Xie
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Ming Yang
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Yangyang Li
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Dongdong Lu
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Jiahong Li
- Andrew and Peggy Cherng Department of Medical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Qingxin Yang
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Qiwei Chen
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Zhiqiang Zhang
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
| | - Xueji Zhang
- School of Biomedical Engineering, Health Science Centre, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Song Wu
- Institute of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen, 518000, P. R. China
- Shenzhen Following Precision Medical Research Institute, Luohu Hospital Group, Shenzhen, 518000, P. R. China
- South China Hospital, Shenzhen University, Shenzhen, 518116, P. R. China
- Teaching Center of Shenzhen Luohu Hospital, Shantou University Medical College, Shantou, 515000, P. R. China
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19
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Tumor-Homing of Mesenchymal Stem Cells Infected with Oncolytic Virus in a Canine Patient. Vet Sci 2022; 9:vetsci9060285. [PMID: 35737337 PMCID: PMC9228126 DOI: 10.3390/vetsci9060285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 11/30/2022] Open
Abstract
Intravenous administration of oncolytic adenovirus (OAds) can be challenging, although various vehicles for the delivery of the virus to the tumor have been described. The efficacy of mesenchymal stem cells (MSCs) as a virus vehicle has been reported in mouse models and canine and human patients, but the actual action mechanism has never been described in patients. It is of importance to determine whether MSCs infected with OAds can reach the tumor and release the virus in a clinical setting. For this purpose, GFP-labeled MSCs were infected with an OAd and inoculated into a companion dog diagnosed with spontaneous lung carcinoma. Forty-eight hours later, the tumor was excised and analyzed microscopically by flow cytometry for GFP fluorescence detection, and a cellular culture was established. Peripheral blood samples were taken to quantify the oncolytic adenovirus by qRT-PCR. Green fluorescence cells detected in the cellular culture by microscopy and flow cytometry revealed 0.69% GFP-positive cells in the tumor. OAd in peripheral blood was confirmed by qRT-PCR during follow-up. For the first time, the tumoral-homing capacity of OAds infected-MSC has been confirmed in a clinical setting, helping to explain the clinical response mechanism, whose efficacy was previously reported in canine and human patients.
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20
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Mesenchymal stem cells: A living carrier for active tumor-targeted delivery. Adv Drug Deliv Rev 2022; 185:114300. [PMID: 35447165 DOI: 10.1016/j.addr.2022.114300] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 03/22/2022] [Accepted: 04/12/2022] [Indexed: 12/16/2022]
Abstract
The strategy of using mesenchymal stem cells (MSCs) as a living carrier for active delivery of therapeutic agents targeting tumor sites has been attempted in a wide range of studies to validate the feasibility and efficacy for tumor treatment. This approach reveals powerful tumor targeting and tumor penetration. In addition, MSCs have been confirmed to actively participate in immunomodulation of the tumor microenvironment. Thus, MSCs are not inert delivery vehicles but have a strong impact on the fate of tumor cells. In this review, these active properties of MSCs are addressed to highlight the advantages and challenges of using MSCs for tumor-targeted delivery. In addition, some of the latest examples of using MSCs to carry a variety of anti-tumor agents for tumor-targeted therapy are summarized. Recent technologies to improve the performance and safety of this delivery strategy will be introduced. The advances, applications, and challenges summarized in this review will provide a general understanding of this promising strategy for actively delivering drugs to tumor tissues.
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21
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Breast Cancer Therapy: The Potential Role of Mesenchymal Stem Cells in Translational Biomedical Research. Biomedicines 2022; 10:biomedicines10051179. [PMID: 35625915 PMCID: PMC9138371 DOI: 10.3390/biomedicines10051179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/06/2022] [Accepted: 05/18/2022] [Indexed: 02/04/2023] Open
Abstract
The potential role of mesenchymal stem cells (MSCs) in the treatment of metastatic cancers, including breast cancer, has been investigated for many years leading to encouraging results. The role of fat grafting and the related adipose-derived mesenchymal stem cells (AD-MSCs) has been detailed and described for breast reconstruction purposes confirming the safety of AD-MSCs. MSCs have great potential for delivering anticancer agents, suicide genes, and oncolytic viruses to tumors. Currently, many studies have focused on the products of MSCs, including extracellular vesicles (EVs), as a cell-free therapy. This work aimed to review and discuss the current knowledge on MSCs and their EVs in breast cancer therapy.
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22
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Mercer-Smith AR, Buckley A, Valdivia A, Jiang W, Thang M, Bell N, Kumar RJ, Bomba HN, Woodell AS, Luo J, Floyd SR, Hingtgen SD. Next-generation Tumor-homing Induced Neural Stem Cells as an Adjuvant to Radiation for the Treatment of Metastatic Lung Cancer. Stem Cell Rev Rep 2022; 18:2474-2493. [PMID: 35441348 DOI: 10.1007/s12015-022-10375-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2022] [Indexed: 10/18/2022]
Abstract
The spread of non-small cell lung cancer (NSCLC) to the leptomeninges is devastating with a median survival of only a few months. Radiation offers symptomatic relief, but new adjuvant therapies are desperately needed. Spheroidal, human induced neural stem cells (hiNeuroS) secreting the cytotoxic protein, TRAIL, have innate tumoritropic properties. Herein, we provide evidence that hiNeuroS-TRAIL cells can migrate to and suppress growth of NSCLC metastases in combination with radiation. In vitro cell tracking and post-mortem tissue analysis showed that hiNeuroS-TRAIL cells migrate to NSCLC tumors. Importantly, isobolographic analysis suggests that TRAIL with radiation has a synergistic cytotoxic effect on NSCLC tumors. In vivo, mice treated with radiation and hiNeuroS-TRAIL showed significant (36.6%) improvements in median survival compared to controls. Finally, bulk mRNA sequencing analysis showed both NSCLC and hiNeuroS-TRAIL cells showed changes in genes involved in migration following radiation. Overall, hiNeuroS-TRAIL cells +/- radiation have the capacity to treat NSCLC metastases.
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Affiliation(s)
- Alison R Mercer-Smith
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Andrew Buckley
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Alain Valdivia
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Wulin Jiang
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Morrent Thang
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Noah Bell
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Rashmi J Kumar
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Hunter N Bomba
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Alex S Woodell
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Jie Luo
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Scott R Floyd
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Shawn D Hingtgen
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA. .,Department of Neurosurgery, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
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23
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Combination of LIGHT (TNFSF14)-Armed Myxoma Virus Pre-Loaded into ADSCs and Gemcitabine in the Treatment of Experimental Orthotopic Murine Pancreatic Adenocarcinoma. Cancers (Basel) 2022; 14:cancers14082022. [PMID: 35454928 PMCID: PMC9027757 DOI: 10.3390/cancers14082022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Pancreatic ductal adenocarcinoma (PDAC) is a weakly immunogenic fatal neoplasm. Oncolytic viruses have dual anti-cancer properties including tumor-lysing and immune response-boosting effects and offer attractive alternative for PDAC management. Adipose-derived stem cells (AD-SCs) of mesenchymal origin were infected ex vivo with recombinant oncolytic myxoma virus (MYXV), which encodes murine LIGHT, also called tumor necrosis factor ligand superfamily member 14 (TNFSF14). ADSC-shielded virus were administered into murine pancreatic cancer lesions that had been induced orthotopically in immunocompetent mice. Ensuing oncolysis and the activation of anti-tumor immune responses provided significant survival benefit. Although adjunct therapy with gemcitabine improved the cytolytic killing of pancreatic cancer cells in vitro, it induced no additional survival advantage in this model in vivo. Abstract Pancreatic ductal adenocarcinoma (PDAC) is a deadly neoplasm. Oncolytic viruses have tumorolytic and immune response-boosting effects and present great potential for PDAC management. We used LIGHT-armed myxoma virus (vMyx-LIGHT) loaded ex vivo into human adipose-derived mesenchymal stem cells (ADSCs) to evaluate murine PDAC treatment in conjunction with gemcitabine (GEM). The cytotoxicity of this treatment was confirmed in vitro using human and murine pancreatic cancer cell cultures, which were more sensitive to the combined approach and largely destroyed. Unlike cancer cells, ADSCs sustain significant viability after infection. The in vivo administration of vMyx-LIGHT-loaded ADSCs and gemcitabine was evaluated using immunocompetent mice with induced orthotopic PDAC lesions. The expression of virus-encoded LIGHT increased the influx of T cells to the tumor site. Shielded virus followed by gemcitabine improved tumor regression and survival. The addition of gemcitabine slightly compromised the adaptive immune response boost obtained with the shielded virus alone, conferring no survival benefit. ADSCs pre-loaded with vMyx-LIGHT allowed the effective transport of the oncolytic construct to PDAC lesions and yielded significant immune response; additional GEM administration failed to improve survival. In view of our results, the delivery of targeted/shielded virus in combination with TGF-β ablation and/or checkpoint inhibitors is a promising option to improve the therapeutic effects of vMyx-LIGHT/ADSCs against PDAC in vivo.
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Belmar-López C, Vassaux G, Medel-Martinez A, Burnet J, Quintanilla M, Ramón y Cajal S, Hernandez-Losa J, De la Vieja A, Martin-Duque P. Mesenchymal Stem Cells Delivery in Individuals with Different Pathologies: Multimodal Tracking, Safety and Future Applications. Int J Mol Sci 2022; 23:ijms23031682. [PMID: 35163605 PMCID: PMC8835939 DOI: 10.3390/ijms23031682] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/27/2022] [Accepted: 01/27/2022] [Indexed: 02/05/2023] Open
Abstract
Due to their ease of isolation and their properties, mesenchymal stem cells (MSCs) have been widely investigated. MSCs have been proved capable of migration towards areas of inflammation, including tumors. Therefore, they have been suggested as vectors to carry therapies, specifically to neoplasias. As most of the individuals joining clinical trials that use MSCs for cancer and other pathologies are carefully recruited and do not suffer from other diseases, here we decided to study the safety and application of iv-injected MSCs in animals simultaneously induced with different inflammatory pathologies (diabetes, wound healing and tumors). We studied this by in vitro and in vivo approaches using different gene reporters (GFP, hNIS, and f-Luc) and non-invasive techniques (PET, BLI, or fluorescence). Our results found that MSCs reached different organs depending on the previously induced pathology. Moreover, we evaluated the property of MSCs to target tumors as vectors to deliver adenoviruses, including the interaction between tumor microenvironment and MSCs on their arrival. Mechanisms such as transdifferentiation, MSC fusion with cells, or paracrine processes after MSCs homing were studied, increasing the knowledge and safety of this new therapy for cancer.
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Affiliation(s)
- Carolina Belmar-López
- Instituto Aragonés de Ciencias de la Salud/IIS Aragón, 50009 Zaragoza, Spain; (C.B.-L.); (A.M.-M.)
| | - Georges Vassaux
- Institut de Pharmacologie Moléculaire et Cellulaire, INSERM, CNRS, Université Côte d’Azur, 06560 Valbonne, France;
| | - Ana Medel-Martinez
- Instituto Aragonés de Ciencias de la Salud/IIS Aragón, 50009 Zaragoza, Spain; (C.B.-L.); (A.M.-M.)
| | - Jerome Burnet
- Cancer Research UK, Queen Mary University of London, London E1 4NS, UK;
| | - Miguel Quintanilla
- Instituto de Investigaciones Biomedicas Alberto Sols (CSIC-UAM), 28029 Madrid, Spain;
| | - Santiago Ramón y Cajal
- Pathology Department, Hospital Universitari Vall d’Hebron, 08035 Barcelona, Spain; (S.R.y.C.); (J.H.-L.)
| | - Javier Hernandez-Losa
- Pathology Department, Hospital Universitari Vall d’Hebron, 08035 Barcelona, Spain; (S.R.y.C.); (J.H.-L.)
| | - Antonio De la Vieja
- Endocrine Tumors Unit, Unidad Funcional de Investigación en Enfermedades Endocrinas (UFIEC), Instituto de Salud Carlos III (ISCIII), 28222 Majadahonda, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
- Correspondence: (A.D.l.V.); (P.M.-D.)
| | - Pilar Martin-Duque
- Instituto Aragonés de Ciencias de la Salud/IIS Aragón, 50009 Zaragoza, Spain; (C.B.-L.); (A.M.-M.)
- Fundación ARAID, 50018 Zaragoza, Spain
- Networking Research Center in Biomaterials, Bioengineering and Nanomedicine (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: (A.D.l.V.); (P.M.-D.)
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Jordan S, Zielinski M, Kortylewski M, Kuhn T, Bystritsky A. Noninvasive Delivery of Biologicals to the Brain. FOCUS (AMERICAN PSYCHIATRIC PUBLISHING) 2022; 20:64-70. [PMID: 35746928 PMCID: PMC9063603 DOI: 10.1176/appi.focus.20210028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In the past, psychotherapy and neuropharmacological approaches have been the most common treatments for disordered thoughts, moods, and behaviors. One new path of brain therapeutics is in the deployment of noninvasive approaches designed to reprogram brain function at the cellular level. Treatment at the cellular level may be considered for a wide array of disorders, ranging from mood disorders to neurodegenerative disorders. Brain-targeted biological therapy may provide minimally invasive and accurate delivery of treatment. The present article discusses the hurdles and advances that characterize the pathway to this goal.
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Ban W, Guan J, Huang H, He Z, Sun M, Liu F, Sun J. Emerging systemic delivery strategies of oncolytic viruses: A key step toward cancer immunotherapy. NANO RESEARCH 2022; 15:4137-4153. [PMID: 35194488 PMCID: PMC8852960 DOI: 10.1007/s12274-021-4031-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/24/2021] [Accepted: 11/28/2021] [Indexed: 05/16/2023]
Abstract
Oncolytic virotherapy (OVT) is a novel type of immunotherapy that induces anti-tumor responses through selective self-replication within cancer cells and oncolytic virus (OV)-mediated immunostimulation. Notably, talimogene laherparepvec (T-Vec) developed by the Amgen company in 2015, is the first FDA-approved OV product to be administered via intratumoral injection and has been the most successful OVT treatment. However, the systemic administration of OVs still faces huge challenges, including in vivo pre-existing neutralizing antibodies and poor targeting delivery efficacy. Recently, state-of-the-art progress has been made in the development of systemic delivery of OVs, which demonstrates a promising step toward broadening the scope of cancer immunotherapy and improving the clinical efficacy of OV delivery. Herein, this review describes the general characteristics of OVs, focusing on the action mechanisms of OVs as well as the advantages and disadvantages of OVT. The emerging multiple systemic administration approaches of OVs are summarized in the past five years. In addition, the combination treatments between OVT and traditional therapies (chemotherapy, thermotherapy, immunotherapy, and radiotherapy, etc.) are highlighted. Last but not least, the future prospects and challenges of OVT are also discussed, with the aim of facilitating medical researchers to extensively apply the OVT in the cancer therapy.
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Affiliation(s)
- Weiyue Ban
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Jianhuan Guan
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Hanwei Huang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110016 China
| | - Zhonggui He
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Mengchi Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
| | - Funan Liu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110016 China
| | - Jin Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016 China
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Bibliography. FOCUS (AMERICAN PSYCHIATRIC PUBLISHING) 2022; 20:76-78. [PMID: 35746926 PMCID: PMC9063592 DOI: 10.1176/appi.focus.20107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Reale A, Calistri A, Altomonte J. Giving Oncolytic Viruses a Free Ride: Carrier Cells for Oncolytic Virotherapy. Pharmaceutics 2021; 13:pharmaceutics13122192. [PMID: 34959474 PMCID: PMC8709025 DOI: 10.3390/pharmaceutics13122192] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 12/28/2022] Open
Abstract
Oncolytic viruses (OVs) are an emerging class of therapeutics which combine multiple mechanisms of action, including direct cancer cell-killing, immunotherapy and gene therapy. A growing number of clinical trials have indicated that OVs have an excellent safety profile and provide some degree of efficacy, but to date only a single OV drug, HSV-1 talimogene laherparepvec (T-Vec), has achieved marketing approval in the US and Europe. An important issue to consider in order to accelerate the clinical advancement of OV agents is the development of an effective delivery system. Currently, the most commonly employed OV delivery route is intratumoral; however, to target metastatic diseases and tumors that cannot be directly accessed, it is of great interest to develop effective approaches for the systemic delivery of OVs, such as the use of carrier cells. In general, the ideal carrier cell should have a tropism towards the tumor microenvironment (TME), and it must be susceptible to OV infection but remain viable long enough to allow migration and finally release of the OV within the tumor bed. Mesenchymal stem cells (MSCs) have been heavily investigated as carrier cells due to their inherent tumor tropism, in spite of some disadvantages in biodistribution. This review focuses on the other promising candidate carrier cells under development and discusses their interaction with specific OVs and future research lines.
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Affiliation(s)
- Alberto Reale
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy; (A.R.); (A.C.)
| | - Arianna Calistri
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy; (A.R.); (A.C.)
| | - Jennifer Altomonte
- Department of Internal Medicine II, Klinikum Rechts der Isar, Technical University of Munich, 81675 Munich, Germany
- Correspondence:
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Chung H, Jung H, Noh JY. Emerging Approaches for Solid Tumor Treatment Using CAR-T Cell Therapy. Int J Mol Sci 2021; 22:ijms222212126. [PMID: 34830003 PMCID: PMC8621681 DOI: 10.3390/ijms222212126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 10/08/2021] [Accepted: 11/08/2021] [Indexed: 12/11/2022] Open
Abstract
Cancer immunotherapy is becoming more important in the clinical setting, especially for cancers resistant to conventional chemotherapy, including targeted therapy. Chimeric antigen receptor (CAR)-T cell therapy, which uses patient’s autologous T cells, combined with engineered T cell receptors, has shown remarkable results, with five US Food and Drug Administration (FDA) approvals to date. CAR-T cells have been very effective in hematologic malignancies, such as diffuse large B cell lymphoma (DLBCL), B cell acute lymphoblastic leukemia (B-ALL), and multiple myeloma (MM); however, its effectiveness in treating solid tumors has not been evaluated clearly. Therefore, many studies and clinical investigations are emerging to improve the CAR-T cell efficacy in solid tumors. The novel therapeutic approaches include modifying CARs in multiple ways or developing a combination therapy with immune checkpoint inhibitors and chemotherapies. In this review, we focus on the challenges and recent advancements in CAR-T cell therapy for solid tumors.
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Affiliation(s)
- Hyunmin Chung
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Daejeon 34141, Korea;
- College of Pharmacy, Chungnam National University, Yuseong-gu, Daejeon 34134, Korea
| | - Haiyoung Jung
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Daejeon 34141, Korea;
- Department of Functional Genomics, Korea University of Science and Technology (UST), 113 Gwahak-ro, Yuseong-gu, Daejeon 34113, Korea
- Correspondence: (H.J.); (J.-Y.N.)
| | - Ji-Yoon Noh
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Daejeon 34141, Korea;
- Correspondence: (H.J.); (J.-Y.N.)
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Glioblastoma Therapy: Rationale for a Mesenchymal Stem Cell-based Vehicle to Carry Recombinant Viruses. Stem Cell Rev Rep 2021; 18:523-543. [PMID: 34319509 DOI: 10.1007/s12015-021-10207-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2021] [Indexed: 12/12/2022]
Abstract
Evasion of growth suppression is among the prominent hallmarks of cancer. Phosphatase and tensin homolog (PTEN) and p53 tumor-suppressive pathways are compromised in most human cancers, including glioblastoma (GB). Hence, these signaling pathways are an ideal point of focus for novel cancer therapeutics. Recombinant viruses can selectivity kill cancer cells and carry therapeutic genes to tumors. Specifically, oncolytic viruses (OV) have been successfully employed for gene delivery in GB animal models and showed potential to neutralize immunosuppression at the tumor site. However, the associated systemic immunogenicity, inefficient transduction of GB cells, and inadequate distribution to metastatic tumors have been the major bottlenecks in clinical studies. Mesenchymal stem cells (MSCs), with tumor-tropic properties and immune privilege, can improve OVs targeting. Remarkably, combining the two approaches can address their individual issues. Herein, we summarize findings to advocate the reactivation of tumor suppressors p53 and PTEN in GB treatment and use MSCs as a "Trojan horse" to carry oncolytic viral cargo to disseminated tumor beds. The integration of MSCs and OVs can emerge as the new paradigm in cancer treatment.
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Hassanzadeh A, Altajer AH, Rahman HS, Saleh MM, Bokov DO, Abdelbasset WK, Marofi F, Zamani M, Yaghoubi Y, Yazdanifar M, Pathak Y, Chartrand MS, Jarahian M. Mesenchymal Stem/Stromal Cell-Based Delivery: A Rapidly Evolving Strategy for Cancer Therapy. Front Cell Dev Biol 2021; 9:686453. [PMID: 34322483 PMCID: PMC8311597 DOI: 10.3389/fcell.2021.686453] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/10/2021] [Indexed: 12/17/2022] Open
Abstract
Mesenchymal stem/stromal cell (MSC)-based therapy has become an attractive and advanced scientific research area in the context of cancer therapy. This interest is closely linked to the MSC-marked tropism for tumors, suggesting them as a rational and effective vehicle for drug delivery for both hematological and solid malignancies. Nonetheless, the therapeutic application of the MSCs in human tumors is still controversial because of the induction of several signaling pathways largely contributing to tumor progression and metastasis. In spite of some evidence supporting that MSCs may sustain cancer pathogenesis, increasing proofs have indicated the suppressive influences of MSCs on tumor cells. During the last years, a myriad of preclinical and some clinical studies have been carried out or are ongoing to address the safety and efficacy of the MSC-based delivery of therapeutic agents in diverse types of malignancies. A large number of studies have focused on the MSC application as delivery vehicles for tumor necrosis factor-related apoptosis-inducing ligand (TRAIL), chemotherapeutic drug such as gemcitabine (GCB), paclitaxel (PTX), and doxorubicin (DOX), prodrugs such as 5-fluorocytosine (5-FC) and ganciclovir (GCV), and immune cell-activating cytokines along with oncolytic virus. In the current review, we evaluate the latest findings rendering the potential of MSCs to be employed as potent gene/drug delivery vehicle for inducing tumor regression with a special focus on the in vivo reports performed during the last two decades.
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Affiliation(s)
- Ali Hassanzadeh
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Heshu Sulaiman Rahman
- College of Medicine, University of Sulaimani, Sulaymaniyah, Iraq
- Department of Medical Laboratory Sciences, Komar University of Science and Technology, Sulaymaniyah, Iraq
| | - Marwan Mahmood Saleh
- Department of Biophysics, College of Applied Sciences, University of Anbar, Ramadi, Iraq
| | - Dmitry O. Bokov
- Sechenov First Moscow State Medical University, Moscow, Russia
| | - Walid Kamal Abdelbasset
- Department of Health and Rehabilitation Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al Kharj, Saudi Arabia
- Department of Physical Therapy, Kasr Al-Aini Hospital, Cairo University, Giza, Egypt
| | - Faroogh Marofi
- Immunology Research Center (IRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Zamani
- Department of Medical Laboratory Sciences, Faculty of Allied Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Yoda Yaghoubi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahboubeh Yazdanifar
- Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CA, United States
| | - Yashwant Pathak
- Professor and Associate Dean for Faculty Affairs, Taneja College of Pharmacy, University of South Florida, Tampa, FL, United States
- Adjunct Professor, Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | | | - Mostafa Jarahian
- German Cancer Research Center, Toxicology and Chemotherapy Unit (G401), Heidelberg, Germany
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32
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Oncolytic Herpes Simplex Virus-Based Therapies for Cancer. Cells 2021; 10:cells10061541. [PMID: 34207386 PMCID: PMC8235327 DOI: 10.3390/cells10061541] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/22/2021] [Accepted: 05/26/2021] [Indexed: 12/22/2022] Open
Abstract
With the increased worldwide burden of cancer, including aggressive and resistant cancers, oncolytic virotherapy has emerged as a viable therapeutic option. Oncolytic herpes simplex virus (oHSV) can be genetically engineered to target cancer cells while sparing normal cells. This leads to the direct killing of cancer cells and the activation of the host immunity to recognize and attack the tumor. Different variants of oHSV have been developed to optimize its antitumor effects. In this review, we discuss the development of oHSV, its antitumor mechanism of action and the clinical trials that have employed oHSV variants to treat different types of tumor.
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33
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Mercer-Smith AR, Findlay IA, Bomba HN, Hingtgen SD. Intravenously Infused Stem Cells for Cancer Treatment. Stem Cell Rev Rep 2021; 17:2025-2041. [PMID: 34138421 DOI: 10.1007/s12015-021-10192-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2021] [Indexed: 01/14/2023]
Abstract
Despite the recent influx of immunotherapies and small molecule drugs to treat tumors, cancer remains a leading cause of death in the United States, in large part due to the difficulties of treating metastatic cancer. Stem cells, which are inherently tumoritropic, provide a useful drug delivery vehicle to target both primary and metastatic tumors. Intravenous infusions of stem cells carrying or secreting therapeutic payloads show significant promise in the treatment of cancer. Stem cells may be engineered to secrete cytotoxic products, loaded with oncolytic viruses or nanoparticles containing small molecule drugs, or conjugated with immunotherapies. Herein we describe these preclinical and clinical studies, discuss the distribution and migration of stem cells following intravenous infusion, and examine both the limitations of and the methods to improve the migration and therapeutic efficacy of tumoritropic, therapeutic stem cells.
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Affiliation(s)
- Alison R Mercer-Smith
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, North Carolina, Chapel Hill, 27599, USA
| | - Ingrid A Findlay
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, North Carolina, Chapel Hill, 27599, USA
| | - Hunter N Bomba
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, North Carolina, Chapel Hill, 27599, USA
| | - Shawn D Hingtgen
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, North Carolina, Chapel Hill, 27599, USA. .,Department of Neurosurgery, The University of North Carolina at Chapel Hill, North Carolina, Chapel Hill, 27599, USA.
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Development of Group B Coxsackievirus as an Oncolytic Virus: Opportunities and Challenges. Viruses 2021; 13:v13061082. [PMID: 34198859 PMCID: PMC8227215 DOI: 10.3390/v13061082] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 02/07/2023] Open
Abstract
Oncolytic viruses have emerged as a promising strategy for cancer therapy due to their dual ability to selectively infect and lyse tumor cells and to induce systemic anti-tumor immunity. Among various candidate viruses, coxsackievirus group B (CVBs) have attracted increasing attention in recent years. CVBs are a group of small, non-enveloped, single-stranded, positive-sense RNA viruses, belonging to species human Enterovirus B in the genus Enterovirus of the family Picornaviridae. Preclinical studies have demonstrated potent anti-tumor activities for CVBs, particularly type 3, against multiple cancer types, including lung, breast, and colorectal cancer. Various approaches have been proposed or applied to enhance the safety and specificity of CVBs towards tumor cells and to further increase their anti-tumor efficacy. This review summarizes current knowledge and strategies for developing CVBs as oncolytic viruses for cancer virotherapy. The challenges arising from these studies and future prospects are also discussed in this review.
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Zhang Y, Li Y, Chen K, Qian L, Wang P. Oncolytic virotherapy reverses the immunosuppressive tumor microenvironment and its potential in combination with immunotherapy. Cancer Cell Int 2021; 21:262. [PMID: 33985527 PMCID: PMC8120729 DOI: 10.1186/s12935-021-01972-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 05/05/2021] [Indexed: 02/07/2023] Open
Abstract
It has been intensively reported that the immunosuppressive tumor microenvironment (TME) results in tumor resistance to immunotherapy, especially immune checkpoint blockade and chimeric T cell antigen therapy. As an emerging therapeutic agent, oncolytic viruses (OVs) can specifically kill malignant cells and modify immune and non-immune TME components through their intrinsic properties or genetically incorporated with TME regulators. Strategies of manipulating OVs against the immunosuppressive TME include serving as a cancer vaccine, expressing proinflammatory factors and immune checkpoint inhibitors, and regulating nonimmune stromal constituents. In this review, we summarized the mechanisms and applications of OVs against the immunosuppressive TME, and strategies of OVs in combination with immunotherapy. We also introduced future directions to achieve efficient clinical translation including optimization of preclinical models that simulate the human TME and achieving systemic delivery of OVs.
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Affiliation(s)
- Yalei Zhang
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ye Li
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China
| | - Kun Chen
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ling Qian
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Peng Wang
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China. .,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
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Wang X, Zhao X, He Z. Mesenchymal stem cell carriers enhance anti-tumor efficacy of oncolytic virotherapy. Oncol Lett 2021; 21:238. [PMID: 33664802 PMCID: PMC7882891 DOI: 10.3892/ol.2021.12499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 12/09/2020] [Indexed: 12/21/2022] Open
Abstract
Oncolytic viruses (OVs) specifically infect, replicate and eventually destroy tumor cells, with no concomitant toxicity to adjacent normal cells. Furthermore, OVs can regulate tumor microenvironments and stimulate anti-tumor immune responses. Mesenchymal stem cells (MSCs) have inherent tumor tropisms and immunosuppressive functions. MSCs carrying OVs not only protect viruses from clearing by the immune system, but they also deliver the virus to tumor lesions. Equally, cytokines released by MSCs enhance anti-tumor immune responses, suggesting that MSCs carrying OVs may be considered as a promising strategy in enhancing the anti-tumor efficacies of virotherapy. In the present review, preclinical and clinical studies were evaluated and discussed, as well as the effectiveness of MSCs carrying OVs for tumor treatment.
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Affiliation(s)
- Xianyao Wang
- Center for Tissue Engineering and Stem Cell Research, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
- Key Laboratory of Adult Stem Cell Translational Research, Chinese Academy of Medical Sciences, Guiyang, Guizhou 550004, P.R. China
- Department of Immunology, Guizhou Medical University, Guiyang, Guizhou 550025, P.R. China
| | - Xing Zhao
- Center for Tissue Engineering and Stem Cell Research, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
- Key Laboratory of Adult Stem Cell Translational Research, Chinese Academy of Medical Sciences, Guiyang, Guizhou 550004, P.R. China
- Department of Immunology, Guizhou Medical University, Guiyang, Guizhou 550025, P.R. China
| | - Zhixu He
- Key Laboratory of Adult Stem Cell Translational Research, Chinese Academy of Medical Sciences, Guiyang, Guizhou 550004, P.R. China
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
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Myxoma Virus Expressing LIGHT (TNFSF14) Pre-Loaded into Adipose-Derived Mesenchymal Stem Cells Is Effective Treatment for Murine Pancreatic Adenocarcinoma. Cancers (Basel) 2021; 13:cancers13061394. [PMID: 33808692 PMCID: PMC8003548 DOI: 10.3390/cancers13061394] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/17/2021] [Accepted: 03/17/2021] [Indexed: 11/17/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a weakly immunogenic fatal neoplasm. Oncolytic viruses with dual anti-cancer properties-oncolytic and immune response-boosting effects-have great potential for PDAC management. Adipose-derived stem cells (ADSCs) of mesenchymal origin were infected ex vivo with recombinant myxoma virus (MYXV), which encodes murine LIGHT, also called tumor necrosis factor ligand superfamily member 14 (TNFSF14). The viability and proliferation of ADSCs were not remarkably decreased (1-2 days) following MYXV infection, in sharp contrast to cells of pancreatic carcinoma lines studied, which were rapidly killed by the infection. Comparison of the intraperitoneal (IP) vs. the intravenous (IV) route of ADSC/MYXV administration revealed more pancreas-targeted distribution of the virus when ADSCs were delivered IP to mice bearing orthotopically injected PDAC. The biodistribution, tumor burden reduction and anti-tumor adaptive immune response were examined. Bioluminescence data, used to assess the presence of the luciferase-tagged virus after IP injection, indicated enhanced trafficking into the pancreata of mice bearing orthotopically-induced PDAC, as compared to tumor-free animals, resulting in extended survival of the treated PDAC-seeded animals and in the boosted expression of key adaptive immune response markers. We conclude that ADSCs pre-loaded with transgene-armed MYXV and administered IP allow for the effective ferrying of the oncolytic virus to sites of PDAC and mediate improved tumor regression.
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Nethi SK, Bhatnagar S, Prabha S. Synthetic Receptor-Based Targeting Strategies to Improve Tumor Drug Delivery. AAPS PharmSciTech 2021; 22:93. [PMID: 33683499 DOI: 10.1208/s12249-021-01919-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/28/2020] [Indexed: 02/06/2023] Open
Abstract
Heterogeneity in tumor expression as well as expression in normal tissues of various targets limit the usefulness of current ligand-based active targeting approaches. Incorporation of synthetic receptors, which can be recognized by delivery systems engineered to present specific functional groups on the surface, is a novel approach to improve tumor targeting. Alternatively, introduction of synthetic functionalities on cellular carriers can also enhance tumor targeting. We review various strategies that have been utilized for the introduction of synthetic targets in tumor tissues. The introduction of synthetic functional groups in the tumor through improved strategies is anticipated to result in improved target specificity and reduced heterogeneity in target expression.
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Morales-Molina A, Gambera S, Leo A, García-Castro J. Combination immunotherapy using G-CSF and oncolytic virotherapy reduces tumor growth in osteosarcoma. J Immunother Cancer 2021; 9:e001703. [PMID: 33737338 PMCID: PMC7978281 DOI: 10.1136/jitc-2020-001703] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Osteosarcoma is the most common malignant solid tumor that affects bones, however, survival rates of patients with relapsed osteosarcoma have not improved in the last 30 years. Oncolytic virotherapy, which uses viruses designed to selectively replicate in cancer cells, has emerged as a promising treatment for solid tumors. Our group uses mesenchymal stem cells (MSCs) to transport oncolytic adenoviruses (OAds) to the tumor site, a therapeutic strategy called Celyvir. This treatment has been already applied in human patients, canine patients and different mouse models. In parallel, previous results have probed that administration of granulocyte-colony stimulating factor (G-CSF) increased immune infiltration in tumors. We then hypothesized that the mobilization of immune cells by G-CSF may increase the antitumor efficacy of Celyvir treatment by increasing the immune infiltration into the tumors. METHODS In this study, we use a murine version of Celyvir consisting in murine MSCs carrying the murine OAd dlE102-here called OAd-MSCs-in an immunocompetent model of osteosarcoma. We tested the antitumoral efficacy of the combination of OAd-MSCs plus G-CSF. RESULTS Our results show that treatment with OAd-MSCs or the union of OAd-MSCs with G-CSF (Combination) significantly reduced tumor growth of osteosarcoma in vivo. Moreover, treated tumors presented higher tumor infiltration of immune cells-especially tumor-infiltrating lymphocytes-and reduced T cell exhaustion, which seems to be enhanced in tumors treated with the Combination. The comparison of our results to those obtained from a cohort of pediatric osteosarcoma patients showed that the virotherapy induces immunological changes similar to those observed in patients with good prognosis. CONCLUSIONS The results open the possibility of using cellular virotherapy for the treatment of bone cancers. Indeed, its combination with G-CSF may be considered for the improvement of the therapy.
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Affiliation(s)
| | - Stefano Gambera
- Cellular Biotechnology Unit, Instituto de Salud Carlos III, Madrid, Spain
| | - Angela Leo
- Department of Biomedical, Experimental and Clinical Sciences, University of Florence, Firenze, Italy
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Engineered microtissues for the bystander therapy against cancer. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 121:111854. [PMID: 33579487 DOI: 10.1016/j.msec.2020.111854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/24/2020] [Accepted: 12/28/2020] [Indexed: 12/28/2022]
Abstract
Thymidine kinase expressing human adipose mesenchymal stem cells (TK-hAMSCs) in combination with ganciclovir (GCV) are an effective platform for antitumor bystander therapy in mice models. However, this strategy requires multiple TK-hAMSCs administrations and a substantial number of cells. Therefore, for clinical translation, it is necessary to find a biocompatible scaffold providing TK-hAMSCs retention in the implantation site against their rapid wash-out. We have developed a microtissue (MT) composed by TKhAMSCs and a scaffold made of polylactic acid microparticles and cell-derived extracellular matrix deposited by hAMSCs. The efficacy of these MTs as vehicles for TK-hAMSCs/GCV bystander therapy was evaluated in a rodent model of human prostate cancer. Subcutaneously implanted MTs were integrated in the surrounding tissue, allowing neovascularization and maintenance of TK-hAMSCs viability. Furthermore, MTs implanted beside tumors allowed TK-hAMSCs migration towards tumor cells and, after GCV administration, inhibited tumor growth. These results indicate that TK-hAMSCs-MTs are promising cell reservoirs for clinical use of therapeutic MSCs in bystander therapies.
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McKenna MK, Englisch A, Brenner B, Smith T, Hoyos V, Suzuki M, Brenner MK. Mesenchymal stromal cell delivery of oncolytic immunotherapy improves CAR-T cell antitumor activity. Mol Ther 2021; 29:1808-1820. [PMID: 33571680 DOI: 10.1016/j.ymthe.2021.02.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 01/05/2021] [Accepted: 02/01/2021] [Indexed: 12/20/2022] Open
Abstract
The immunosuppressive tumor microenvironment (TME) is a formidable barrier to the success of adoptive cell therapies for solid tumors. Oncolytic immunotherapy with engineered adenoviruses (OAd) may disrupt the TME by infecting tumor cells, as well as surrounding stroma, to improve the functionality of tumor-directed chimeric antigen receptor (CAR)-T cells, yet efficient delivery of OAds to solid tumors has been challenging. Here we describe how mesenchymal stromal cells (MSCs) can be used to systemically deliver a binary vector containing an OAd together with a helper-dependent Ad (HDAd; combinatorial Ad vector [CAd]) that expresses interleukin-12 (IL-12) and checkpoint PD-L1 (programmed death-ligand 1) blocker. CAd-infected MSCs deliver and produce functional virus to infect and lyse lung tumor cells while stimulating CAR-T cell anti-tumor activity by release of IL-12 and PD-L1 blocker. The combination of this approach with administration of HER.2-specific CAR-T cells eliminates 3D tumor spheroids in vitro and suppresses tumor growth in two orthotopic lung cancer models in vivo. Treatment with CAd MSCs increases the overall numbers of human T cells in vivo compared to CAR-T cell only treatment and enhances their polyfunctional cytokine secretion. These studies combine the predictable targeting of CAR-T cells with the advantages of cancer cell lysis and TME disruption by systemic MSC delivery of oncolytic virotherapy: incorporation of immunostimulation by cytokine and checkpoint inhibitor production through the HDAd further enhances anti-tumor activity.
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Affiliation(s)
- Mary K McKenna
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA
| | - Alexander Englisch
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA; Department of Pediatric Hematology and Oncology, University Children's Hospital Muenster, Muenster, Germany
| | - Benjamin Brenner
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA; Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, USA
| | - Tyler Smith
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA
| | - Valentina Hoyos
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA; Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Masataka Suzuki
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA; Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Malcolm K Brenner
- Baylor College of Medicine, Center for Cell Gene Therapy, Texas Children's Hospital, Houston Methodist Hospital, Houston, TX 77030, USA.
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Wang X, Yang Y, Wang N, Wu X, Xu J, Zhou Y, Zhao X, He Z. Mesenchymal stem cell carriers enhance antitumor efficacy induced by oncolytic reovirus in acute myeloid leukemia. Int Immunopharmacol 2021; 94:107437. [PMID: 33571747 DOI: 10.1016/j.intimp.2021.107437] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/21/2021] [Accepted: 01/24/2021] [Indexed: 12/12/2022]
Abstract
Chemotherapy is the main treatment for acute myeloid leukemia (AML), but the therapeutic efficacy is modest, and most commonly manifests as relapse from remission. Thus, improving long-term AML survival is a crucial clinical challenge. In recent years, oncolytic virotherapy has provided an alternative approach for AML treatment. The use of oncolytic reoviruses has been explored in more than 30 clinical trials for safety and feasibility issues. However, like other oncolytic viruses, neutralizing antibodies (NAbs) reduce therapeutic efficacy. To tackle this problem, human umbilical cord mesenchymal stem cells (hUC-MSCs) were used to deliver reovirus using in vitro and in vivo models. Human UC-MSCs were successfully loaded with reovirus, without impairing biological function.We also observed in vitro protective effects of hUC-MSCs on reovirus in the presence of NAbs. In the immunocompromised AML mouse model, hUC-MSCs effectively carried reoviruses to tumor lesions and significantly prolonged the survival of AML xenografts in mice in the presence of a high titer anti-reovirus antibody (p = 0.001). However, reovirus-induced activation of AKT, stress-activated protein kinase/c-Jun N-terminal kinase (SAPK/JNK), and NF-κB signaling led to the maintenance of intrinsic migratory properties and secretion of pro-inflammatory cytokines from hUC-MSCs, particularly CXCL10. In immuno-competent AML mice, MSCs carrying reovirus triggered immune responses, and eventually inhibited tumor growth. Therefore, these results suggest that MSCs as carriers of oncolytic reoviruses can enhance the antitumor efficacy of virotherapy.
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Affiliation(s)
- Xianyao Wang
- Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, China; Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China; Key Laboratory of Adult Stem Cell Translational Research (Chinese Academy of Medical Sciences), Guiyang 550004, China
| | - Yichen Yang
- Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China
| | - Nianxue Wang
- Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, China; Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China
| | - Xijun Wu
- Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China; Key Laboratory of Adult Stem Cell Translational Research (Chinese Academy of Medical Sciences), Guiyang 550004, China
| | - Jianwei Xu
- Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China; Key Laboratory of Adult Stem Cell Translational Research (Chinese Academy of Medical Sciences), Guiyang 550004, China; Department of Pharmacology, Guizhou Medical University, Guiyang 550025, China
| | - Yanhua Zhou
- Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China; Key Laboratory of Adult Stem Cell Translational Research (Chinese Academy of Medical Sciences), Guiyang 550004, China
| | - Xing Zhao
- Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, China; Center for Tissue Engineering and Stem Cell Research , Guizhou Medical University, Guiyang 550004, China; Key Laboratory of Adult Stem Cell Translational Research (Chinese Academy of Medical Sciences), Guiyang 550004, China.
| | - Zhixu He
- Department of Immunology, College of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, China; Key Laboratory of Adult Stem Cell Translational Research (Chinese Academy of Medical Sciences), Guiyang 550004, China; Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China.
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Jin KT, Du WL, Liu YY, Lan HR, Si JX, Mou XZ. Oncolytic Virotherapy in Solid Tumors: The Challenges and Achievements. Cancers (Basel) 2021; 13:cancers13040588. [PMID: 33546172 PMCID: PMC7913179 DOI: 10.3390/cancers13040588] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/26/2021] [Accepted: 01/30/2021] [Indexed: 12/14/2022] Open
Abstract
Oncolytic virotherapy (OVT) is a promising approach in cancer immunotherapy. Oncolytic viruses (OVs) could be applied in cancer immunotherapy without in-depth knowledge of tumor antigens. The capability of genetic modification makes OVs exciting therapeutic tools with a high potential for manipulation. Improving efficacy, employing immunostimulatory elements, changing the immunosuppressive tumor microenvironment (TME) to inflammatory TME, optimizing their delivery system, and increasing the safety are the main areas of OVs manipulations. Recently, the reciprocal interaction of OVs and TME has become a hot topic for investigators to enhance the efficacy of OVT with less off-target adverse events. Current investigations suggest that the main application of OVT is to provoke the antitumor immune response in the TME, which synergize the effects of other immunotherapies such as immune-checkpoint blockers and adoptive cell therapy. In this review, we focused on the effects of OVs on the TME and antitumor immune responses. Furthermore, OVT challenges, including its moderate efficiency, safety concerns, and delivery strategies, along with recent achievements to overcome challenges, are thoroughly discussed.
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Affiliation(s)
- Ke-Tao Jin
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China; (K.-T.J.); (Y.-Y.L.)
| | - Wen-Lin Du
- Key Laboratory of Gastroenterology of Zhejiang Province, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, China;
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, China
| | - Yu-Yao Liu
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China; (K.-T.J.); (Y.-Y.L.)
| | - Huan-Rong Lan
- Department of Breast and Thyroid Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua 321000, China;
| | - Jing-Xing Si
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, China
- Correspondence: (J.-X.S.); (X.-Z.M.); Tel./Fax: +86-571-85893781 (J.-X.S.); +86-571-85893985 (X.-Z.M.)
| | - Xiao-Zhou Mou
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, China
- Correspondence: (J.-X.S.); (X.-Z.M.); Tel./Fax: +86-571-85893781 (J.-X.S.); +86-571-85893985 (X.-Z.M.)
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Fontana F, Bartolo R, Santos HA. Biohybrid Nanosystems for Cancer Treatment: Merging the Best of Two Worlds. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1295:135-162. [PMID: 33543459 DOI: 10.1007/978-3-030-58174-9_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
During the last 20+ years, research into the biomedical application of nanotechnology has helped in reshaping cancer treatment. The clinical use of several passively targeted nanosystems resulted in improved quality of care for patients. However, the therapeutic efficacy of these systems is not superior to the original drugs. Moreover, despite extensive investigations into actively targeted nanocarriers, numerous barriers still remain before their successful clinical translation, including sufficient bloodstream circulation time and efficient tumor targeting. The combination of synthetic nanomaterials with biological elements (e.g., cells, cell membranes, and macromolecules) is presently the cutting-edge research in cancer nanotechnology. The features provided by the biological moieties render the particles with prolonged bloodstream circulation time and homotopic targeting to the tumor site. Moreover, cancer cell membranes serve as sources of neoantigens, useful in the formulation of nanovaccines. In this chapter, we will discuss the advantages of biohybrid nanosystems in cancer chemotherapy, immunotherapy, and combined therapy, as well as highlight their preparation methods and clinical translatability.
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Affiliation(s)
- Flavia Fontana
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Raquél Bartolo
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Hélder A Santos
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland.
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Zhang J, Yuan Z, Zhong W, Wei Y. Stem Cell as Vehicles of Antibody in Treatment of Lymphoma: a Novel and Potential Targeted Therapy. Stem Cell Rev Rep 2020; 17:829-841. [PMID: 33205352 DOI: 10.1007/s12015-020-10080-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2020] [Indexed: 02/06/2023]
Abstract
Lymphoma is a heterogeneous malignancy and its incidence is increasing in the past decades all over the world. Although more than half of lymphoma patients achieve complete or partial remission from the standard first-line ABVD or R-CHOP based therapy, patients who fail to respond to these regimens will give rise to relapsed or refractory (R/R) lymphoma and may lead to a worse prognosis. Developing novel agents is important for R/R lymphoma. Based on the homing ability and being genetically modified easily, stem cells are usually used as vehicles in cell-based anti-tumor therapy, which can not only retain their own biological characteristics, but also make anti-tumor agents secrete constantly in tumor environment, to eventually kill the tumor cells more effectively. In this review, we will briefly introduce the properties of antibody therapy carried by stem cells, especially the hopes and hurdles of stem cell-mediated antibody secretion in the treatment of lymphoma.
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Affiliation(s)
- Jiayi Zhang
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China.,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou, Guangdong, China
| | - Zhaohu Yuan
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Weijie Zhong
- Department of Geriatrics, Hematology & Oncology ward, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Yaming Wei
- Department of Blood Transfusion, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China. .,Guangdong Engineering Research Center of Precise Transfusion, Guangzhou, Guangdong, China.
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Will Next-Generation Immunotherapy Overcome the Intrinsic Diversity and Low Immunogenicity of Sarcomas to Improve Clinical Benefit? Cancers (Basel) 2020; 12:cancers12113392. [PMID: 33207697 PMCID: PMC7697818 DOI: 10.3390/cancers12113392] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/13/2020] [Accepted: 11/13/2020] [Indexed: 02/06/2023] Open
Abstract
Sarcomas are a rare type of a heterogeneous group of tumours arising from mesenchymal cells that form connective tissues. Surgery is the most common treatment for these tumours, but additional neoadjuvant or adjuvant chemotherapy or radiation therapies may be necessary. Unfortunately, a significant proportion of patients treated with conventional therapies will develop metastatic disease that is resistant to therapies. Currently, there is an urgent need to develop more effective and durable therapies for the treatment of sarcomas. In recent years immunotherapies have revolutionised the treatment of a variety of cancers by restoring patient anti-tumour immune responses or through the adoptive infusion of immune effectors able to kill and eliminate malignant cells. The clinicopathologic and genetic heterogeneity of sarcomas, together with the generally low burden of somatic mutations potentially generating neoantigens, are currently limited to broad application of immunotherapy for patients with sarcomas. Nevertheless, a better understanding of the microenvironmental factors hampering the efficacy of immunotherapy and the identification of new and suitable therapeutic targets may help to overcome current limitations. Moreover, the recent advances in the development of immunotherapies based on the direct exploitation or targeting of T cells and/or NK cells may offer new opportunities to improve the treatment of sarcomas, particularly those showing recurrence or resistance to standard of care treatments.
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Kenarkoohi A, Bamdad T, Soleimani M, Soleimanjahi H, Fallah A, Falahi S. HSV-TK Expressing Mesenchymal Stem Cells Exert Inhibitory Effect on Cervical Cancer Model. INTERNATIONAL JOURNAL OF MOLECULAR AND CELLULAR MEDICINE 2020; 9:146-154. [PMID: 32934952 PMCID: PMC7489112 DOI: 10.22088/ijmcm.bums.9.2.146] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 06/23/2020] [Indexed: 02/06/2023]
Abstract
A growing area of research is focused on cancer therapy, and new therapeutic approaches are welcomed. Mesenchymal stem cell (MSC)-based gene therapy is a promising strategy in oncology. Intrinsic tropism and migration to tumor microenvironment with off lights are attractive features of this type of cell carrier. In this way, suicide genes have also found a good platform for better performance and have shown a stronger anti-tumor mechanism by riding on mesenchymal cells. In this study, we investigated the anti-tumor activity of intratumoral injected MSCs transduced with a lentivector expressing the HSV/TK in a mouse cervical cancer model. Following the injection of MSCs transduced with lentivector carrying TK, MSCs alone or PBS into the mice tumor, ganciclovir was administered intraperitoneally during 14 days, and tumor size, survival time, natural killer (NK) cells and cytotoxic T lymphocyte (CTL) activities were assessed. We demonstrated that combination of suicide therapy and cell therapy leading m,to successful tumor inhibition. Significant reduction in tumor size was detected in test group in comparison with controls. Also, potent antitumor NK and CTL activity was seen in treatment group in comparison with controls. Our data demonstrated that the mesenchymal cells expressing TK had inhibitory effect on cervical cancer model.
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Affiliation(s)
- Azra Kenarkoohi
- Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.,Department of Microbiology, Faculty of Medicine, Ilam University of Medical Sciences, Ilam, Iran
| | - Taravat Bamdad
- Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Masoud Soleimani
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Hoorieh Soleimanjahi
- Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Shahab Falahi
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran
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Cellular Virotherapy Increases Tumor-Infiltrating Lymphocytes (TIL) and Decreases their PD-1 + Subsets in Mouse Immunocompetent Models. Cancers (Basel) 2020; 12:cancers12071920. [PMID: 32708639 PMCID: PMC7409201 DOI: 10.3390/cancers12071920] [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: 06/12/2020] [Revised: 07/09/2020] [Accepted: 07/14/2020] [Indexed: 02/06/2023] Open
Abstract
Oncolytic virotherapy uses viruses designed to selectively replicate in cancer cells. An alternative to intratumoral administration is to use mesenchymal stem cells (MSCs) to transport the oncolytic viruses to the tumor site. Following this strategy, our group has already applied this treatment to children and adults in a human clinical trial and a veterinary trial, with good clinical responses and excellent safety profiles. However, the development of immunocompetent cancer mouse models is still necessary for the study and improvement of oncolytic viroimmunotherapies. Here we have studied the antitumor efficacy, immune response, and mechanism of action of a complete murine version of our cellular virotherapy in mouse models of renal adenocarcinoma and melanoma. We used mouse MSCs infected with the mouse oncolytic adenovirus dlE102 (OAd-MSCs). In both models, treatment with OAd-MSCs significantly reduced tumor volumes by 50% and induced a pro-inflammatory tumor microenvironment. Furthermore, treated mice harboring renal adenocarcinoma and melanoma tumors presented increased infiltration of tumor-associated macrophages (TAMs), natural killer cells, and tumor-infiltrating lymphocytes (TILs). Treated mice also presented lower percentage of TILs expressing programmed cell death protein 1 (PD-1)-the major regulator of T cell exhaustion. In conclusion, treatment with OAd-MSCs significantly reduced tumor volume and induced changes in tumor-infiltrating populations of melanoma and renal cancer.
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Jazowiecka-Rakus J, Sochanik A, Rusin A, Hadryś A, Fidyk W, Villa N, Rahman MM, Chmielik E, Franco LS, McFadden G. Myxoma Virus-Loaded Mesenchymal Stem Cells in Experimental Oncolytic Therapy of Murine Pulmonary Melanoma. MOLECULAR THERAPY-ONCOLYTICS 2020; 18:335-350. [PMID: 32775618 PMCID: PMC7398944 DOI: 10.1016/j.omto.2020.07.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 07/01/2020] [Indexed: 02/06/2023]
Abstract
Oncolytic viruses can target neoplasms, triggering oncolytic and immune effects. Their delivery to melanoma lesions remains challenging. Bone-marrow-derived mesenchymal stem cells (MSCs) were shown to be permissive for oncolytic myxoma virus (MYXV), allowing its transfer to melanoma cells, leading to their killing. Involvement of progeny virus was demonstrated in the transfer from MSCs to co-cultured melanoma cells. The inhibitory effect of virus on melanoma foci formation in murine lungs was revealed using melanoma cells previously co-cultured with MYXV-infected MSCs. Virus accumulation and persistence in lungs of lesion-bearing mice were shown following intravenous administration of MSC-shielded MYXV construct encoding luciferase. Therapy of experimentally induced lung melanoma in mice with interleukin (IL)-15-carrying MYXV construct delivered by MSCs led to marked regression of lesions and could increase survival. Elevated natural killer (NK) cell percentages in blood indicated robust innate responses against unshielded virus only. Lung infiltration by NK cells was followed by inflow of CD8+ T lymphocytes into melanoma lesions. Elevated expression of genes involved in adaptive immune response following oncolytic treatment was confirmed using RT-qPCR. No adverse pathological effects related to MSC-mediated oncolytic therapy with MYXV were observed. MSCs allow for safe and efficient ferrying of therapeutic MYXV to pulmonary melanoma foci triggering immune effects.
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Affiliation(s)
- Joanna Jazowiecka-Rakus
- Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland
- Corresponding author: Joanna Jazowiecka-Rakus, Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland.
| | - Aleksander Sochanik
- Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland
| | - Aleksandra Rusin
- Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland
| | - Agata Hadryś
- Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland
| | - Wojciech Fidyk
- Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland
| | - Nancy Villa
- Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | | | - Ewa Chmielik
- Maria Skłodowska-Curie Memorial National Research Institute of Oncology, 44-102 Gliwice, Poland
| | - Lina S. Franco
- Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
| | - Grant McFadden
- Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA
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