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Bhatt DK, Daemen T. Molecular Circuits of Immune Sensing and Response to Oncolytic Virotherapy. Int J Mol Sci 2024; 25:4691. [PMID: 38731910 PMCID: PMC11083234 DOI: 10.3390/ijms25094691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Oncolytic virotherapy is a promising immunotherapy approach for cancer treatment that utilizes viruses to preferentially infect and eliminate cancer cells while stimulating the immune response. In this review, we synthesize the current literature on the molecular circuits of immune sensing and response to oncolytic virotherapy, focusing on viral DNA or RNA sensing by infected cells, cytokine and danger-associated-signal sensing by neighboring cells, and the subsequent downstream activation of immune pathways. These sequential sense-and-response mechanisms involve the triggering of molecular sensors by viruses or infected cells to activate transcription factors and related genes for a breadth of immune responses. We describe how the molecular signals induced in the tumor upon virotherapy can trigger diverse immune signaling pathways, activating both antigen-presenting-cell-based innate and T cell-based adaptive immune responses. Insights into these complex mechanisms provide valuable knowledge for enhancing oncolytic virotherapy strategies.
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Affiliation(s)
- Darshak K. Bhatt
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, P.O. Box 30 001, HPC EB88, 9700 RB Groningen, The Netherlands
| | - Toos Daemen
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, P.O. Box 30 001, HPC EB88, 9700 RB Groningen, The Netherlands
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2
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Lundstrom K. Alphaviruses in cancer immunotherapy. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 379:143-168. [PMID: 37541722 DOI: 10.1016/bs.ircmb.2023.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/06/2023]
Abstract
Alphaviruses have frequently been engineered for cancer therapy, cancer immunotherapy, and cancer vaccine development. As members of self-replicating RNA viruses, alphaviruses provide high levels of transgene expression through efficient self-amplifying of their RNA genome in host cells. Alphavirus vectors can be used as recombinant viral particles or oncolytic viruses. Alternatively, either naked or nanoparticle-encapsulated RNA and DNA replicons can be utilized. In the context of cancer prevention and treatment, antitumor, cytotoxic and suicide genes have been expressed from alphavirus vectors to provide tumor regression and tumor eradication. Moreover, immunostimulatory genes such as cytokines and chemokines have been used for cancer immunotherapy approaches. Expression of tumor antigens has been applied for cancer vaccine development. Alphavirus vectors has demonstrated tumor regression and even cure in various preclinical animal models. Immunization has elicited strong immune responses and showed protection against challenges with tumor cells in animal models. Several clinical trials have confirmed good safety and tolerability of alphaviruses in cancer patients although therapeutic efficacy will still require optimization.
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Lin J, Sun S, Zhao K, Gao F, Wang R, Li Q, Zhou Y, Zhang J, Li Y, Wang X, Du L, Wang S, Li Z, Lu H, Lan Y, Song D, Guo W, Chen Y, Gao F, Zhao Y, Fan R, Guan J, He W. Oncolytic Parapoxvirus induces Gasdermin E-mediated pyroptosis and activates antitumor immunity. Nat Commun 2023; 14:224. [PMID: 36641456 PMCID: PMC9840172 DOI: 10.1038/s41467-023-35917-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/06/2023] [Indexed: 01/15/2023] Open
Abstract
The advantage of oncolytic viruses (OV) in cancer therapy is their dual effect of directly killing tumours while prompting anti-tumour immune response. Oncolytic parapoxvirus ovis (ORFV) and other OVs are thought to induce apoptosis, but apoptosis, being the immunogenically inert compared to other types of cell death, does not explain the highly inflamed microenvironment in OV-challenged tumors. Here we show that ORFV and its recombinant therapeutic derivatives are able to trigger tumor cell pyroptosis via Gasdermin E (GSDME). This effect is especially prominent in GSDME-low tumor cells, in which ORFV-challenge pre-stabilizes GSDME by decreasing its ubiquitination and subsequently initiates pyroptosis. Consistently, GSDME depletion reduces the proportion of intratumoral cytotoxic T lymphocytes, pyroptotic cell death and the success of tumor ORFV virotherapy. In vivo, the OV preferentially accumulates in the tumour upon systemic delivery and elicits pyroptotic tumor killing. Consequentially, ORFV sensitizes immunologically 'cold' tumors to checkpoint blockade. This study thus highlights the critical role of GSDME-mediated pyroptosis in oncolytic ORFV-based antitumor immunity and identifies combinatorial cancer therapy strategies.
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Affiliation(s)
- Jing Lin
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Shihui Sun
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Kui Zhao
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Fei Gao
- Department of Laboratory Animals, College of Animal Science, Jilin University, 130062, Changchun, China
| | - Renling Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Qi Li
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Yanlong Zhou
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Jing Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Yue Li
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Xinyue Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Le Du
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Shuai Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Zi Li
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Huijun Lu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Yungang Lan
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Deguang Song
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Wei Guo
- Department of Hematology, The first hospital of Jilin University, 130021, Changchun, China
| | - Yujia Chen
- Department of Gastrointestinal Surgery, The first hospital of Jilin University, 130021, Changchun, China
| | - Feng Gao
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China
| | - Yicheng Zhao
- Changchun University of Chinese Medicine, 130017, Changchun, China
| | - Rongrong Fan
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183, Huddinge, Sweden
| | - Jiyu Guan
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China.
| | - Wenqi He
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, 130062, Changchun, China.
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Hu H, Xia Q, Hu J, Wang S. Oncolytic Viruses for the Treatment of Bladder Cancer: Advances, Challenges, and Prospects. J Clin Med 2022; 11:jcm11236997. [PMID: 36498574 PMCID: PMC9738443 DOI: 10.3390/jcm11236997] [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: 09/08/2022] [Revised: 11/16/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
Bladder cancer is one of the most prevalent cancers. Despite recent advancements in bladder cancer therapy, new strategies are still required for improving patient outcomes, particularly for those who experienced Bacille Calmette-Guerin failure and those with locally advanced or metastatic bladder cancer. Oncolytic viruses are either naturally occurring or purposefully engineered viruses that have the ability to selectively infect and lyse tumor cells while avoiding harming healthy cells. In light of this, oncolytic viruses serve as a novel and promising immunotherapeutic strategy for bladder cancer. A wide diversity of viruses, including adenoviruses, herpes simplex virus, coxsackievirus, Newcastle disease virus, vesicular stomatitis virus, alphavirus, and vaccinia virus, have been studied in many preclinical and clinical studies for their potential as oncolytic agents for bladder cancer. This review aims to provide an overview of the advances in oncolytic viruses for the treatment of bladder cancer and highlights the challenges and research directions for the future.
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Affiliation(s)
| | | | - Jia Hu
- Correspondence: (J.H.); (S.W.)
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Alphaviruses in Immunotherapy and Anticancer Therapy. Biomedicines 2022; 10:biomedicines10092263. [PMID: 36140364 PMCID: PMC9496634 DOI: 10.3390/biomedicines10092263] [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: 06/30/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
Alphaviruses have been engineered as expression vectors for vaccine development and gene therapy. Due to the feature of RNA self-replication, alphaviruses can provide exceptional direct cytoplasmic expression of transgenes based on the delivery of recombinant particles, naked or nanoparticle-encapsulated RNA or plasmid-based DNA replicons. Alphavirus vectors have been utilized for the expression of various antigens targeting different types of cancers, and cytotoxic and antitumor genes. The most common alphavirus vectors are based on the Semliki Forest virus, Sindbis virus and Venezuelan equine encephalitis virus, but the oncolytic M1 alphavirus has also been used. Delivery of immunostimulatory cytokine genes has been the basis for immunotherapy demonstrating efficacy in different animal tumor models for brain, breast, cervical, colon, lung, ovarian, pancreatic, prostate and skin cancers. Typically, therapeutic effects including tumor regression, tumor eradication and complete cure as well as protection against tumor challenges have been observed. Alphavirus vectors have also been subjected to clinical evaluations. For example, therapeutic responses in all cervical cancer patients treated with an alphavirus vector expressing the human papilloma virus E6 and E7 envelope proteins have been achieved.
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Tian Y, Xie D, Yang L. Engineering strategies to enhance oncolytic viruses in cancer immunotherapy. Signal Transduct Target Ther 2022; 7:117. [PMID: 35387984 PMCID: PMC8987060 DOI: 10.1038/s41392-022-00951-x] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 02/07/2023] Open
Abstract
Oncolytic viruses (OVs) are emerging as potentially useful platforms in treatment methods for patients with tumors. They preferentially target and kill tumor cells, leaving healthy cells unharmed. In addition to direct oncolysis, the essential and attractive aspect of oncolytic virotherapy is based on the intrinsic induction of both innate and adaptive immune responses. To further augment this efficacious response, OVs have been genetically engineered to express immune regulators that enhance or restore antitumor immunity. Recently, combinations of OVs with other immunotherapies, such as immune checkpoint inhibitors (ICIs), chimeric antigen receptors (CARs), antigen-specific T-cell receptors (TCRs) and autologous tumor-infiltrating lymphocytes (TILs), have led to promising progress in cancer treatment. This review summarizes the intrinsic mechanisms of OVs, describes the optimization strategies for using armed OVs to enhance the effects of antitumor immunity and highlights rational combinations of OVs with other immunotherapies in recent preclinical and clinical studies.
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Affiliation(s)
- Yaomei Tian
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, No. 17, Section 3, South Renmin Road, 610041, Chengdu, Sichuan, People's Republic of China.,College of Bioengineering, Sichuan University of Science & Engineering, No. 519, Huixing Road, 643000, Zigong, Sichuan, People's Republic of China
| | - Daoyuan Xie
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, No. 17, Section 3, South Renmin Road, 610041, Chengdu, Sichuan, People's Republic of China
| | - Li Yang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, No. 17, Section 3, South Renmin Road, 610041, Chengdu, Sichuan, People's Republic of China.
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Kooti W, Esmaeili Gouvarchin Ghaleh H, Farzanehpour M, Dorostkar R, Jalali Kondori B, Bolandian M. Oncolytic Viruses and Cancer, Do You Know the Main Mechanism? Front Oncol 2022; 11:761015. [PMID: 35004284 PMCID: PMC8728693 DOI: 10.3389/fonc.2021.761015] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/22/2021] [Indexed: 12/28/2022] Open
Abstract
The global rate of cancer has increased in recent years, and cancer is still a threat to human health. Recent developments in cancer treatment have yielded the understanding that viruses have a high potential in cancer treatment. Using oncolytic viruses (OVs) is a promising approach in the treatment of malignant tumors. OVs can achieve their targeted treatment effects through selective cell death and induction of specific antitumor immunity. Targeting tumors and the mechanism for killing cancer cells are among the critical roles of OVs. Therefore, evaluating OVs and understanding their precise mechanisms of action can be beneficial in cancer therapy. This review study aimed to evaluate OVs and the mechanisms of their effects on cancer cells.
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Affiliation(s)
- Wesam Kooti
- Applied Virology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | | | - Mahdieh Farzanehpour
- Applied Virology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ruhollah Dorostkar
- Applied Virology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Bahman Jalali Kondori
- Department of Anatomical Sciences, Faculty of Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran.,Baqiyatallah Research Center for Gastroenterology and Liver Diseases (BRCGL), Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Masoumeh Bolandian
- Applied Virology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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