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Williams ZJ, Chow L, Dow S, Pezzanite LM. The potential for senotherapy as a novel approach to extend life quality in veterinary medicine. Front Vet Sci 2024; 11:1369153. [PMID: 38812556 PMCID: PMC11133588 DOI: 10.3389/fvets.2024.1369153] [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: 01/11/2024] [Accepted: 04/30/2024] [Indexed: 05/31/2024] Open
Abstract
Cellular senescence, a condition where cells undergo arrest and can assume an inflammatory phenotype, has been associated with initiation and perpetuation of inflammation driving multiple disease processes in rodent models and humans. Senescent cells secrete inflammatory cytokines, proteins, and matrix metalloproteinases, termed the senescence associated secretory phenotype (SASP), which accelerates the aging processes. In preclinical models, drug interventions termed "senotherapeutics" selectively clear senescent cells and represent a promising strategy to prevent or treat multiple age-related conditions in humans and veterinary species. In this review, we summarize the current available literature describing in vitro evidence for senotheraputic activity, preclinical models of disease, ongoing human clinical trials, and potential clinical applications in veterinary medicine. These promising data to date provide further justification for future studies identifying the most active senotherapeutic combinations, dosages, and routes of administration for use in veterinary medicine.
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Affiliation(s)
- Zoë J. Williams
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Lyndah Chow
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Steven Dow
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Lynn M. Pezzanite
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
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Wang H, Sun D, Chen J, Li H, Chen L. Nectin-4 has emerged as a compelling target for breast cancer. Eur J Pharmacol 2023; 960:176129. [PMID: 38059449 DOI: 10.1016/j.ejphar.2023.176129] [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: 05/17/2023] [Revised: 10/08/2023] [Accepted: 10/18/2023] [Indexed: 12/08/2023]
Abstract
The incidence of breast cancer in women has increased year by year, becoming one of the most common malignant tumors in females worldwide. Most patients can be treated with surgery and endocrine drugs, but there are still some patients who lack effective treatment, such as triple-negative breast cancer (TNBC). Nectin-4, a protein encoded by poliovirus receptor-associated protein 4, is a Ca2+-independent immunoglobulin-like protein. It is mainly involved in the adhesion between cells. In recent years, studies have found that Nectin-4 is overexpressed in breast cancer and several other malignancies. Otherwise, several monoclonal antibodies and inhibitors targeting Nectin-4 have shown prosperous outcomes, so Nectin-4 has great potential to be a therapeutic target for breast cancer. The present review systematically describes the significance of Nectin-4 in each aspect of breast cancer, as well as the molecular mechanisms of these aspects mediated by Nectin-4. We further highlight ongoing or proposed therapeutic strategies for breast cancer specific to Nectin-4.
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Affiliation(s)
- Hui Wang
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Dejuan Sun
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Jinxia Chen
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Hua Li
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; Institute of Structural Pharmacology & TCM Chemical Biology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China.
| | - Lixia Chen
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China.
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3
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Xiao S, Qin D, Hou X, Tian L, Yu Y, Zhang R, Lyu H, Guo D, Chen XZ, Zhou C, Tang J. Cellular senescence: a double-edged sword in cancer therapy. Front Oncol 2023; 13:1189015. [PMID: 37771436 PMCID: PMC10522834 DOI: 10.3389/fonc.2023.1189015] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 08/15/2023] [Indexed: 09/30/2023] Open
Abstract
Over the past few decades, cellular senescence has been identified in cancer patients undergoing chemotherapy and radiotherapy. Senescent cells are generally characterized by permanent cell cycle arrest as a response to endogenous and exogenous stresses. In addition to exiting the cell cycle process, cellular senescence also triggers profound phenotypic changes such as senescence-associated secretory phenotype (SASP), autophagy modulation, or metabolic reprograming. Consequently, cellular senescence is often considered as a tumor-suppressive mechanism that permanently arrests cells at risk of malignant transformation. However, accumulating evidence shows that therapy-induced senescence can promote epithelial-mesenchymal transition and tumorigenesis in neighboring cells, as well as re-entry into the cell cycle and activation of cancer stem cells, thereby promoting cancer cell survival. Therefore, it is particularly important to rapidly eliminate therapy-induced senescent cells in patients with cancer. Here we review the hallmarks of cellular senescence and the relationship between cellular senescence and cancer. We also discuss several pathways to induce senescence in tumor therapy, as well as strategies to eliminate senescent cells after cancer treatment. We believe that exploiting the intersection between cellular senescence and tumor cells is an important means to defeat tumors.
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Affiliation(s)
- Shuai Xiao
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Dongmin Qin
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Xueyang Hou
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Lingli Tian
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Yeping Yu
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Rui Zhang
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China
| | - Hao Lyu
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Dong Guo
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Xing-Zhen Chen
- Membrane Protein Disease Research Group, Department of Physiology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Cefan Zhou
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Jingfeng Tang
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
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Storozynsky QT, Han X, Komant S, Agopsowicz KC, Potts KG, Gamper AM, Godbout R, Evans DH, Hitt MM. Radiation-Induced Cellular Senescence Reduces Susceptibility of Glioblastoma Cells to Oncolytic Vaccinia Virus. Cancers (Basel) 2023; 15:3341. [PMID: 37444452 DOI: 10.3390/cancers15133341] [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: 05/19/2023] [Revised: 06/15/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
Glioblastoma (GBM) is a malignant brain cancer refractory to the current standard of care, prompting an extensive search for novel strategies to improve outcomes. One approach under investigation is oncolytic virus (OV) therapy in combination with radiotherapy. In addition to the direct cytocidal effects of radiotherapy, radiation induces cellular senescence in GBM cells. Senescent cells cease proliferation but remain viable and are implicated in promoting tumor progression. The interaction of viruses with senescent cells is nuanced; some viruses exploit the senescent state to their benefit, while others are hampered, indicating senescence-associated antiviral activity. It is unknown how radiation-induced cellular senescence may impact the oncolytic properties of OVs based on the vaccinia virus (VACV) that are used in combination with radiotherapy. To better understand this, we induced cellular senescence by treating GBM cells with radiation, and then evaluated the growth kinetics, infectivity, and cytotoxicity of an oncolytic VACV, ∆F4LΔJ2R, as well as wild-type VACV in irradiated senescence-enriched and non-irradiated human GBM cell lines. Our results show that both viruses display attenuated oncolytic activities in irradiated senescence-enriched GBM cell populations compared to non-irradiated controls. These findings indicate that radiation-induced cellular senescence is associated with antiviral activity and highlight important considerations for the combination of VACV-based oncolytic therapies with senescence-inducing agents such as radiotherapy.
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Affiliation(s)
- Quinn T Storozynsky
- Department of Oncology, University of Alberta, Edmonton, AB T6G 1Z2, Canada
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB T6G 2E1, Canada
- Cancer Research Institute of Northern Alberta (CRINA), University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Xuefei Han
- Department of Oncology, University of Alberta, Edmonton, AB T6G 1Z2, Canada
| | - Shae Komant
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB T6G 2E1, Canada
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Kate C Agopsowicz
- Department of Oncology, University of Alberta, Edmonton, AB T6G 1Z2, Canada
| | - Kyle G Potts
- Alberta Children's Hospital Research Institute, Faculty of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
- Arnie Charbonneau Cancer Institute, Faculty of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Alberta Cellular Therapy and Immune Oncology (ACTION) Initiative, Faculty of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Armin M Gamper
- Department of Oncology, University of Alberta, Edmonton, AB T6G 1Z2, Canada
- Cross Cancer Institute, Edmonton, AB T6G 1Z2, Canada
| | - Roseline Godbout
- Department of Oncology, University of Alberta, Edmonton, AB T6G 1Z2, Canada
- Cancer Research Institute of Northern Alberta (CRINA), University of Alberta, Edmonton, AB T6G 2R3, Canada
- Cross Cancer Institute, Edmonton, AB T6G 1Z2, Canada
| | - David H Evans
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB T6G 2E1, Canada
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Mary M Hitt
- Department of Oncology, University of Alberta, Edmonton, AB T6G 1Z2, Canada
- Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB T6G 2E1, Canada
- Cancer Research Institute of Northern Alberta (CRINA), University of Alberta, Edmonton, AB T6G 2R3, Canada
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Intratumoral microbiota: roles in cancer initiation, development and therapeutic efficacy. Signal Transduct Target Ther 2023; 8:35. [PMID: 36646684 PMCID: PMC9842669 DOI: 10.1038/s41392-022-01304-4] [Citation(s) in RCA: 64] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/31/2022] [Accepted: 12/26/2022] [Indexed: 01/18/2023] Open
Abstract
Microorganisms, including bacteria, viruses, fungi, and other eukaryotes, play critical roles in human health. An altered microbiome can be associated with complex diseases. Intratumoral microbial components are found in multiple tumor tissues and are closely correlated with cancer initiation and development and therapy efficacy. The intratumoral microbiota may contribute to promotion of the initiation and progression of cancers by DNA mutations, activating carcinogenic pathways, promoting chronic inflammation, complement system, and initiating metastasis. Moreover, the intratumoral microbiota may not only enhance antitumor immunity via mechanisms including STING signaling activation, T and NK cell activation, TLS production, and intratumoral microbiota-derived antigen presenting, but also decrease antitumor immune responses and promote cancer progression through pathways including upregulation of ROS, promoting an anti-inflammatory environment, T cell inactivation, and immunosuppression. The effect of intratumoral microbiota on antitumor immunity is dependent on microbiota composition, crosstalk between microbiota and the cancer, and status of cancers. The intratumoral microbiota may regulate cancer cell physiology and the immune response by different signaling pathways, including ROS, β-catenin, TLR, ERK, NF-κB, and STING, among others. These viewpoints may help identify the microbiota as diagnosis or prognosis evaluation of cancers, and as new therapeutic strategy and potential therapeutic targets for cancer therapy.
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Mahar R, Ragavan M, Chang MC, Hardiman S, Moussatche N, Behar A, Renne R, Merritt ME. Metabolic signatures associated with oncolytic myxoma viral infections. Sci Rep 2022; 12:12599. [PMID: 35871072 PMCID: PMC9308783 DOI: 10.1038/s41598-022-15562-3] [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: 12/08/2021] [Accepted: 06/27/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractOncolytic viral therapy is a recent advance in cancer treatment, demonstrating promise as a primary treatment option. To date, the secondary metabolic effects of viral infection in cancer cells has not been extensively studied. In this work, we have analyzed early-stage metabolic changes in cancer cells associated with oncolytic myxoma virus infection. Using GC–MS based metabolomics, we characterized the myxoma virus infection induced metabolic changes in three cancer cell lines—small cell (H446) and non-small cell (A549) lung cancers, and glioblastoma (SFxL). We show that even at an early stage (6 and 12 h) myxoma infection causes profound changes in cancer cell metabolism spanning several important pathways such as the citric acid cycle, fatty acid metabolism, and amino acid metabolism. In general, the metabolic effects of viral infection across cell lines are not conserved. However, we have identified several candidate metabolites that can potentially serve as biomarkers for monitoring oncolytic viral action in general.
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Schwab N, Taskina D, Leung E, Innes BT, Bader GD, Hazrati LN. Neurons and glial cells acquire a senescent signature after repeated mild traumatic brain injury in a sex-dependent manner. Front Neurosci 2022; 16:1027116. [PMID: 36408415 PMCID: PMC9669743 DOI: 10.3389/fnins.2022.1027116] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 09/23/2022] [Indexed: 08/15/2023] Open
Abstract
Mild traumatic brain injury (mTBI) is an important public health issue, as it can lead to long-term neurological symptoms and risk of neurodegenerative disease. The pathophysiological mechanisms driving this remain unclear, and currently there are no effective therapies for mTBI. In this study on repeated mTBI (rmTBI), we have induced three mild closed-skull injuries or sham procedures, separated by 24 h, in C57BL/6 mice. We show that rmTBI mice have prolonged righting reflexes and astrogliosis, with neurological impairment in the Morris water maze (MWM) and the light dark test. Cortical and hippocampal tissue analysis revealed DNA damage in the form of double-strand breaks, oxidative damage, and R-loops, markers of cellular senescence including p16 and p21, and signaling mediated by the cGAS-STING pathway. This study identified novel sex differences after rmTBI in mice. Although these markers were all increased by rmTBI in both sexes, females had higher levels of DNA damage, lower levels of the senescence protein p16, and lower levels of cGAS-STING signaling proteins compared to their male counterparts. Single-cell RNA sequencing of the male rmTBI mouse brain revealed activation of the DNA damage response, evidence of cellular senescence, and pro-inflammatory markers reminiscent of the senescence-associated secretory phenotype (SASP) in neurons and glial cells. Cell-type specific changes were also present with evidence of brain immune activation, neurotransmission alterations in both excitatory and inhibitory neurons, and vascular dysfunction. Treatment of injured mice with the senolytic drug ABT263 significantly reduced markers of senescence only in males, but was not therapeutic in females. The reduction of senescence by ABT263 in male mice was accompanied by significantly improved performance in the MWM. This study provides compelling evidence that senescence contributes to brain dysfunction after rmTBI, but may do so in a sex-dependent manner.
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Affiliation(s)
- Nicole Schwab
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Daria Taskina
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Emily Leung
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
| | - Brendan T. Innes
- The Donnelly Centre, University of Toronto, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Gary D. Bader
- The Donnelly Centre, University of Toronto, Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Lili-Naz Hazrati
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Program in Neurosciences and Mental Health, The Hospital for Sick Children, Toronto, ON, Canada
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8
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Khoury LM, Burcher KM, Ng RT, Song AH, Chang MJ, Gavrila E, Bloomer CH, Robinson MB, Kouri BE, Waltonen JD, Bunch PM, Lauer UM, Porosnicu M. Serendipitous synergism - an exceptional response to treatment with pembrolizumab in the course of a natural immunovirotherapy: a case report and review of the literature. Ther Adv Med Oncol 2022; 14:17588359221122729. [PMID: 36312814 PMCID: PMC9597005 DOI: 10.1177/17588359221122729] [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: 05/17/2022] [Accepted: 08/11/2022] [Indexed: 11/06/2022] Open
Abstract
Immune checkpoint inhibitors (ICIs) are the current guideline recommended treatment for many malignancies considered to be terminal. Despite considerable advances, their utility remains limited, and the field requires synergistic partners to further improve outcomes. Oncolytic viruses (OV) are emerging as contenders for the role of the synergistic agent of choice due to their multi-mechanistic effect on activating the tumor 'cold' immune microenvironment. Herpes simplex virus 1, a naturally selective OV, is the most advanced virotherapeutic compound in clinical applications for use in combination with ICI. We here present the case of a 72 year-old patient with a heavily pre-treated, advanced maxillary sinus squamous cell cancer with distant metastases who developed complete response (CR) with only three administrations of a programmed death 1 inhibitor after treatment interference by a severe herpes zoster infection, based on the related alpha-herpesvirus varicella zoster virus (VZV). This exceptional response has been followed and confirmed with imaging studies over more than 5 years. Although the patient had several favorable predictors for response to immunotherapy, we reason that the exceptional response may in part be secondary to the serendipitous VZV infection. Documented cases of cancer patients that achieved CR after few administrations of treatment with ICI are rare, with most reporting follow up of just over 1 year or less. In this case, it is conceivable that the interference of the infection with VZV, soon after the start of immunotherapy with ICI, led to a lasting antitumor immunity and sustained CR. This hypothesis is supported by the concept of 'oncolytic immunotherapy' which is reviewed in this manuscript. In addition, persistence of a TP53 mutation found in a liquid biopsy, despite clinical and radiologic remission, is discussed.
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Affiliation(s)
- Lara M. Khoury
- Department of Internal Medicine, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Kimberly M. Burcher
- Department of Internal Medicine, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Ronald T. Ng
- Department of Internal Medicine, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Alexander H. Song
- Department of Internal Medicine, Section on
Hematology and Oncology, Wake Forest University School of Medicine,
Winston-Salem, NC, USA
| | - Mark J. Chang
- Department of Internal Medicine, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Elena Gavrila
- Wake Forest University School of Medicine,
Winston-Salem, NC, USA
| | - Chance H. Bloomer
- Department of Internal Medicine, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Mac B. Robinson
- Wake Forest Baptist Comprehensive Cancer
Center, Winston-Salem, NC, USA
| | - Brian E. Kouri
- Department of Radiology, Wake Forest University
School of Medicine, Winston-Salem, NC, USA
| | - Joshua D. Waltonen
- Department of Otolaryngology, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Paul M. Bunch
- Department of Radiology, Wake Forest
University School of Medicine, Winston-Salem, NC, USA
| | - Ulrich M. Lauer
- Department of Internal Medicine VIII, Medical
Oncology and Pneumology, University Hospital Tuebingen, Germany German
Cancer Research Center (DKFZ), Tuebingen, Germany
| | - Mercedes Porosnicu
- Department of Internal Medicine, Section on
Hematology and Oncology, Wake Forest University School of Medicine, Medical
Center Blvd, Winston-Salem, NC 27101-4135, USA
- Wake Forest Baptist Comprehensive Cancer
Center, Winston-Salem, NC, USA
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Lauer UM, Beil J. Oncolytic viruses: challenges and considerations in an evolving clinical landscape. Future Oncol 2022; 18:2713-2732. [PMID: 35818970 DOI: 10.2217/fon-2022-0440] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Despite advances in treatment, cancer remains a leading cause of death worldwide. Although treatment strategies are continually progressing, cancers have evolved many mechanisms for evading therapies and the host immune system. Oncolytic viruses (OVs) could provide a much-needed option for cancers that are resistant to existing treatments. OVs can be engineered to specifically target and kill cancer cells, while simultaneously triggering an immune response at the site of infection. This review will focus on the challenges of developing a successful OV and translation to clinical practice, discussing the innovative strategies that are being used to optimize the potential of OVs. Here, we will also explore the current clinical landscape and the prospects of OVs in early clinical development.
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Affiliation(s)
- Ulrich M Lauer
- Department of Internal Medicine VIII, Virotherapy Center Tübingen, Medical Oncology & Pneumology, Medical University Hospital Tübingen, Otfried-Mueller-Str. 10, Tübingen, 72076, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Partner Site Tübingen, Otfried-Mueller-Str. 10, Tübingen, 72076, Germany
| | - Julia Beil
- Department of Internal Medicine VIII, Virotherapy Center Tübingen, Medical Oncology & Pneumology, Medical University Hospital Tübingen, Otfried-Mueller-Str. 10, Tübingen, 72076, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Partner Site Tübingen, Otfried-Mueller-Str. 10, Tübingen, 72076, Germany
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10
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Kuo YT, Liu CH, Wong SH, Pan YC, Lin LT. Small molecules baicalein and cinnamaldehyde are potentiators of measles virus-induced breast cancer oncolysis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 89:153611. [PMID: 34144429 DOI: 10.1016/j.phymed.2021.153611] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/06/2021] [Accepted: 05/21/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Although the breast cancer mortality has slowed down from 2008 to 2017, breast cancer incidence rate continues to rise and thus, new and/or improved treatments are highly needed. Among them, oncolytic virotherapy which has the ability of facilitating the antitumor adaptive immunity, appears as a promising anticancer therapy. Oncolytic measles virus (MV) is particularly suitable for targeting breast cancer due to the upregulation of MV's receptor nectin-4. Nonetheless, with limited clinical success currently, ways of boosting MV-induced breast cancer oncolysis are therefore necessary. Oncolytic virotherapy alone and combined with chemotherapeutic drugs are two strategic areas with intensive development for the search of anticancer drugs. Considering that baicalein (BAI) and cinnamaldehyde (CIN) have demonstrated antitumor properties against multiple cancers including breast cancer, they could be good partners for MV-based oncolytic virotherapy. PURPOSE To assess the in vitro effect of BAI and CIN with MV and assess their combination effects. METHODS We examined the combinatorial cytotoxic effect of oncolytic MV and BAI or CIN on MCF-7 breast cancer cells. Potential anti-MV activities of the phytochemicals were first investigated in vitro to determine the optimal combination model. Synergism of MV and BAI or CIN was then evaluated in vitro by calculating the combination indices. Finally, cell cycle analysis and apoptosis assays were performed to confirm the mechanism of synergism. RESULTS Overall, the viral sensitization combination modality using oncolytic MV to first infect MCF-7 breast cancer cells followed by drug treatment with BAI or CIN was found to produce significantly enhanced tumor killing. Further mechanistic studies showed that the combinations 'MV-BAI' and 'MV-CIN' display synergistic anti-breast cancer effect, mediated by elevated apoptosis. CONCLUSION We demonstrated, for the first time, effective combination of oncolytic MV with BAI or CIN that could be further explored and potentially developed into novel therapeutic strategies targeting nectin-4-marked breast cancer cells.
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Affiliation(s)
- Yu-Ting Kuo
- Department of Medical Imaging, Chi Mei Medical Center, Tainan 71004, Taiwan.
| | - Ching-Hsuan Liu
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Department of Microbiology & Immunology, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada.
| | - Shu Hui Wong
- International PhD Program in Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.
| | - Yu-Chi Pan
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Liang-Tzung Lin
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.
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Virotherapy in Germany-Recent Activities in Virus Engineering, Preclinical Development, and Clinical Studies. Viruses 2021; 13:v13081420. [PMID: 34452286 PMCID: PMC8402873 DOI: 10.3390/v13081420] [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: 06/02/2021] [Revised: 07/16/2021] [Accepted: 07/16/2021] [Indexed: 02/06/2023] Open
Abstract
Virotherapy research involves the development, exploration, and application of oncolytic viruses that combine direct killing of cancer cells by viral infection, replication, and spread (oncolysis) with indirect killing by induction of anti-tumor immune responses. Oncolytic viruses can also be engineered to genetically deliver therapeutic proteins for direct or indirect cancer cell killing. In this review—as part of the special edition on “State-of-the-Art Viral Vector Gene Therapy in Germany”—the German community of virotherapists provides an overview of their recent research activities that cover endeavors from screening and engineering viruses as oncolytic cancer therapeutics to their clinical translation in investigator-initiated and sponsored multi-center trials. Preclinical research explores multiple viral platforms, including new isolates, serotypes, or fitness mutants, and pursues unique approaches to engineer them towards increased safety, shielded or targeted delivery, selective or enhanced replication, improved immune activation, delivery of therapeutic proteins or RNA, and redirecting antiviral immunity for cancer cell killing. Moreover, several oncolytic virus-based combination therapies are under investigation. Clinical trials in Germany explore the safety and potency of virotherapeutics based on parvo-, vaccinia, herpes, measles, reo-, adeno-, vesicular stomatitis, and coxsackie viruses, including viruses encoding therapeutic proteins or combinations with immune checkpoint inhibitors. These research advances represent exciting vantage points for future endeavors of the German virotherapy community collectively aimed at the implementation of effective virotherapeutics in clinical oncology.
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12
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Spiesschaert B, Angerer K, Park J, Wollmann G. Combining Oncolytic Viruses and Small Molecule Therapeutics: Mutual Benefits. Cancers (Basel) 2021; 13:3386. [PMID: 34298601 PMCID: PMC8306439 DOI: 10.3390/cancers13143386] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 02/07/2023] Open
Abstract
The focus of treating cancer with oncolytic viruses (OVs) has increasingly shifted towards achieving efficacy through the induction and augmentation of an antitumor immune response. However, innate antiviral responses can limit the activity of many OVs within the tumor and several immunosuppressive factors can hamper any subsequent antitumor immune responses. In recent decades, numerous small molecule compounds that either inhibit the immunosuppressive features of tumor cells or antagonize antiviral immunity have been developed and tested for. Here we comprehensively review small molecule compounds that can achieve therapeutic synergy with OVs. We also elaborate on the mechanisms by which these treatments elicit anti-tumor effects as monotherapies and how these complement OV treatment.
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Affiliation(s)
- Bart Spiesschaert
- Christian Doppler Laboratory for Viral Immunotherapy of Cancer, Medical University Innsbruck, 6020 Innsbruck, Austria; (B.S.); (K.A.)
- Institute of Virology, Medical University Innsbruck, 6020 Innsbruck, Austria
- ViraTherapeutics GmbH, 6063 Rum, Austria
- Boehringer Ingelheim Pharma GmbH & Co. KG, 88397 Biberach a.d. Riss, Germany;
| | - Katharina Angerer
- Christian Doppler Laboratory for Viral Immunotherapy of Cancer, Medical University Innsbruck, 6020 Innsbruck, Austria; (B.S.); (K.A.)
- Institute of Virology, Medical University Innsbruck, 6020 Innsbruck, Austria
| | - John Park
- Boehringer Ingelheim Pharma GmbH & Co. KG, 88397 Biberach a.d. Riss, Germany;
| | - Guido Wollmann
- Christian Doppler Laboratory for Viral Immunotherapy of Cancer, Medical University Innsbruck, 6020 Innsbruck, Austria; (B.S.); (K.A.)
- Institute of Virology, Medical University Innsbruck, 6020 Innsbruck, Austria
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13
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Chen H, Liu O, Chen S, Zhou Y. Aging and Mesenchymal Stem Cells: Therapeutic Opportunities and Challenges in the Older Group. Gerontology 2021; 68:339-352. [PMID: 34161948 DOI: 10.1159/000516668] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/07/2021] [Indexed: 11/19/2022] Open
Abstract
With aging, a portion of cells, including mesenchymal stem cells (MSCs), become senescent, and these senescent cells accumulate and promote various age-related diseases. Therefore, the older age group has become a major population for MSC therapy, which is aimed at improving tissue regeneration and function of the aged body. However, the application of MSC therapy is often unsatisfying in the aged group. One reasonable conjecture for this correlation is that aging microenvironment reduces the number and function of MSCs. Cellular senescence also plays an important role in MSC function impairment. Thus, it is necessary to explore the relationship between senescence and MSCs for improving the application of MSCs in the elderly. Here, we present the influence of aging on MSCs and the characteristics and functional changes of senescent MSCs. Furthermore, current therapeutic strategies for improving MSC therapy in the elderly group are also discussed.
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Affiliation(s)
- Huan Chen
- Hunan Key Laboratory of Oral Health Research, Hunan 3D Printing Engineering Research Center of Oral Care, Hunan Clinical Research Center of Oral Major Diseases and Oral Health, Xiangya Stomatological Hospital, and Xiangya School of Stomatology, Central South University, Changsha, China
| | - Ousheng Liu
- Hunan Key Laboratory of Oral Health Research, Hunan 3D Printing Engineering Research Center of Oral Care, Hunan Clinical Research Center of Oral Major Diseases and Oral Health, Xiangya Stomatological Hospital, and Xiangya School of Stomatology, Central South University, Changsha, China
| | - Sijia Chen
- Hunan Key Laboratory of Oral Health Research, Hunan 3D Printing Engineering Research Center of Oral Care, Hunan Clinical Research Center of Oral Major Diseases and Oral Health, Xiangya Stomatological Hospital, and Xiangya School of Stomatology, Central South University, Changsha, China
| | - Yueying Zhou
- Hunan Key Laboratory of Oral Health Research, Hunan 3D Printing Engineering Research Center of Oral Care, Hunan Clinical Research Center of Oral Major Diseases and Oral Health, Xiangya Stomatological Hospital, and Xiangya School of Stomatology, Central South University, Changsha, China
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14
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Measles Virus as an Oncolytic Immunotherapy. Cancers (Basel) 2021; 13:cancers13030544. [PMID: 33535479 PMCID: PMC7867054 DOI: 10.3390/cancers13030544] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/19/2021] [Accepted: 01/26/2021] [Indexed: 12/11/2022] Open
Abstract
Measles virus (MeV) preferentially replicates in malignant cells, leading to tumor lysis and priming of antitumor immunity. Live attenuated MeV vaccine strains are therefore under investigation as cancer therapeutics. The versatile MeV reverse genetics systems allows for engineering of advanced targeted, armed, and shielded oncolytic viral vectors. Therapeutic efficacy can further be enhanced by combination treatments. An emerging focus in this regard is combination immunotherapy, especially with immune checkpoint blockade. Despite challenges arising from antiviral immunity, availability of preclinical models, and GMP production, early clinical trials have demonstrated safety of oncolytic MeV and yielded promising efficacy data. Future clinical trials with engineered viruses, rational combination regimens, and comprehensive translational research programs will realize the potential of oncolytic immunotherapy.
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15
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Synergism of rMV-Hu191 with cisplatin to treat gastric cancer by acid sphingomyelinase-mediated apoptosis requiring integrity of lipid raft microdomains. Gastric Cancer 2021; 24:1293-1306. [PMID: 34251544 PMCID: PMC8502160 DOI: 10.1007/s10120-021-01210-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 06/29/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND DDP-based chemotherapy is one of the first-line treatment in GC. However, the therapeutic efficacy of DDP is limited due to side effects. Therefore, it is of great significance to develop novel adjuvants to synergize with DDP. We had demonstrated previously that rMV-Hu191 had antitumor activity in GC. Here we examined the synergism of rMV-Hu191 with DDP in vitro and in vivo. METHODS Cellular proliferation, the synergistic effect and cell apoptosis were evaluated by CCK-8 assay, ZIP analysis and flow cytometry, respectively. The protein levels and location of ASMase were monitored by western blot and immunofluorescence assay. shRNA and imipramine were used to regulate the expression and activity of ASMase. MβCD was administrated to disrupt lipid rafts. Mice bearing GC xenografts were used to confirm the synergism in vivo. RESULTS From our data, combinational therapy demonstrated synergistic cytotoxicity both in resistant GC cell lines from a Chinese patient and drug-nonresistant GC cell lines, and increased cell apoptosis, instead of viral replication. Integrity of lipid rafts and ASMase were required for rMV-Hu191- and combination-induced apoptosis. The ASMase was delivered to the lipid raft microdomains at the initial stage of rMV-Hu191 treatment. In vivo GC mice xenografts confirmed the synergism of combinational treatment, together with increased apoptosis and trivial side-effects. CONCLUSIONS This is the first study to demonstrate that rMV-Hu191 combined with DDP could be used as a potential therapeutic strategy in GC treatment and the ASMase and the integrity of lipid rafts are required for the synergistic effects.
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16
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Engler M, Fidan M, Nandi S, Cirstea IC. Senescence in RASopathies, a possible novel contributor to a complex pathophenoype. Mech Ageing Dev 2020; 194:111411. [PMID: 33309600 DOI: 10.1016/j.mad.2020.111411] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 11/17/2020] [Accepted: 11/23/2020] [Indexed: 01/07/2023]
Abstract
Senescence is a biological process that induces a permanent cell cycle arrest and a specific gene expression program in response to various stressors. Following studies over the last few decades, the concept of senescence has evolved from an antiproliferative mechanism in cancer (oncogene-induced senescence) to a critical component of physiological processes associated with embryonic development, tissue regeneration, ageing and its associated diseases. In somatic cells, oncogenic mutations in RAS-MAPK pathway genes are associated with oncogene-induced senescence and cancer, while germline mutations in the same pathway are linked to a group of monogenic developmental disorders generally termed RASopathies. Here, we consider that in these disorders, senescence induction may result in opposing outcomes, a tumour protective effect and a possible contributor to a premature ageing phenotype identified in Costello syndrome, which belongs to the RASopathy group. In this review, we will highlight the role of senescence in organismal homeostasis and we will describe the current knowledge about senescence in RASopathies. Additionally, we provide a perspective on examples of experimentally characterised RASopathy mutations that, alone or in combination with various stressors, may also trigger an age-dependent chronic senescence, possibly contributing to the age-dependent worsening of RASopathy pathophenotype and the reduction of lifespan.
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Affiliation(s)
- Melanie Engler
- Institute of Comparative Molecular Endocrinology, Ulm University, Helmholtzstr. 8/1, 89081, Ulm, Germany
| | - Miray Fidan
- Institute of Comparative Molecular Endocrinology, Ulm University, Helmholtzstr. 8/1, 89081, Ulm, Germany
| | - Sayantan Nandi
- Institute of Comparative Molecular Endocrinology, Ulm University, Helmholtzstr. 8/1, 89081, Ulm, Germany
| | - Ion Cristian Cirstea
- Institute of Comparative Molecular Endocrinology, Ulm University, Helmholtzstr. 8/1, 89081, Ulm, Germany.
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17
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Seoane R, Vidal S, Bouzaher YH, El Motiam A, Rivas C. The Interaction of Viruses with the Cellular Senescence Response. BIOLOGY 2020; 9:E455. [PMID: 33317104 PMCID: PMC7764305 DOI: 10.3390/biology9120455] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 11/30/2020] [Accepted: 12/07/2020] [Indexed: 01/10/2023]
Abstract
Cellular senescence is viewed as a mechanism to prevent malignant transformation, but when it is chronic, as occurs in age-related diseases, it may have adverse effects on cancer. Therefore, targeting senescent cells is a novel therapeutic strategy against senescence-associated diseases. In addition to its role in cancer protection, cellular senescence is also considered a mechanism to control virus replication. Both interferon treatment and some viral infections can trigger cellular senescence as a way to restrict virus replication. However, activation of the cellular senescence program is linked to the alteration of different pathways, which can be exploited by some viruses to improve their replication. It is, therefore, important to understand the potential impact of senolytic agents on viral propagation. Here we focus on the relationship between virus and cellular senescence and the reported effects of senolytic compounds on virus replication.
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Affiliation(s)
- Rocío Seoane
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidad de Santiago de Compostela, 15706 Santiago de Compostela, Spain; (R.S.); (S.V.); (Y.H.B.); (A.E.M.)
| | - Santiago Vidal
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidad de Santiago de Compostela, 15706 Santiago de Compostela, Spain; (R.S.); (S.V.); (Y.H.B.); (A.E.M.)
| | - Yanis Hichem Bouzaher
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidad de Santiago de Compostela, 15706 Santiago de Compostela, Spain; (R.S.); (S.V.); (Y.H.B.); (A.E.M.)
| | - Ahmed El Motiam
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidad de Santiago de Compostela, 15706 Santiago de Compostela, Spain; (R.S.); (S.V.); (Y.H.B.); (A.E.M.)
| | - Carmen Rivas
- Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidad de Santiago de Compostela, 15706 Santiago de Compostela, Spain; (R.S.); (S.V.); (Y.H.B.); (A.E.M.)
- Centro Nacional de Biotecnología (CNB), CSIC, 28049 Madrid, Spain
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18
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Leber MF, Neault S, Jirovec E, Barkley R, Said A, Bell JC, Ungerechts G. Engineering and combining oncolytic measles virus for cancer therapy. Cytokine Growth Factor Rev 2020; 56:39-48. [PMID: 32718830 PMCID: PMC7333629 DOI: 10.1016/j.cytogfr.2020.07.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/02/2020] [Indexed: 12/18/2022]
Abstract
Cancer immunotherapy using tumor-selective, oncolytic viruses is an emerging therapeutic option for solid and hematologic malignancies. A considerable variety of viruses ranging from small picornaviruses to large poxviruses are currently being investigated as potential candidates. In the early days of virotherapy, non-engineered wild-type or vaccine-strain viruses were employed. However, these viruses often did not fully satisfy the major criteria of safety and efficacy. Since the advent of reverse genetics systems for manipulating various classes of viruses, the field has shifted to developing genetically engineered viruses with an improved therapeutic index. In this review, we will summarize the concepts and strategies of multi-level genetic engineering of oncolytic measles virus, a prime candidate for cancer immunovirotherapy. Furthermore, we will provide a brief overview of measles virus-based multimodal combination therapies for improved tumor control and clinical efficacy.
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Affiliation(s)
- Mathias F Leber
- German Cancer Research Center (DKFZ), Clinical Cooperation Unit Virotherapy, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; Heidelberg University Hospital, Department of Medical Oncology, Im Neuenheimer Feld 460, 69120 Heidelberg, Germany; Ottawa Hospital Research Institute, Cancer Therapeutics Program, 501 Smyth Road, Ottawa, ON, K1H 8L6, Canada.
| | - Serge Neault
- Ottawa Hospital Research Institute, Cancer Therapeutics Program, 501 Smyth Road, Ottawa, ON, K1H 8L6, Canada
| | - Elise Jirovec
- Ottawa Hospital Research Institute, Cancer Therapeutics Program, 501 Smyth Road, Ottawa, ON, K1H 8L6, Canada
| | - Russell Barkley
- Ottawa Hospital Research Institute, Cancer Therapeutics Program, 501 Smyth Road, Ottawa, ON, K1H 8L6, Canada
| | - Aida Said
- Children's Hospital of Eastern Ontario, 401 Smyth Road, Ottawa, ON, K1H 8L1, Canada; University of Ottawa, Faculty of Medicine, Department of Cellular and Molecular Medicine, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - John C Bell
- Ottawa Hospital Research Institute, Cancer Therapeutics Program, 501 Smyth Road, Ottawa, ON, K1H 8L6, Canada
| | - Guy Ungerechts
- German Cancer Research Center (DKFZ), Clinical Cooperation Unit Virotherapy, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany; Heidelberg University Hospital, Department of Medical Oncology, Im Neuenheimer Feld 460, 69120 Heidelberg, Germany; Ottawa Hospital Research Institute, Cancer Therapeutics Program, 501 Smyth Road, Ottawa, ON, K1H 8L6, Canada
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19
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Kirkland JL, Tchkonia T. Senolytic drugs: from discovery to translation. J Intern Med 2020; 288:518-536. [PMID: 32686219 PMCID: PMC7405395 DOI: 10.1111/joim.13141] [Citation(s) in RCA: 468] [Impact Index Per Article: 117.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/31/2020] [Accepted: 06/09/2020] [Indexed: 12/14/2022]
Abstract
Senolytics are a class of drugs that selectively clear senescent cells (SC). The first senolytic drugs Dasatinib, Quercetin, Fisetin and Navitoclax were discovered using a hypothesis-driven approach. SC accumulate with ageing and at causal sites of multiple chronic disorders, including diseases accounting for the bulk of morbidity, mortality and health expenditures. The most deleterious SC are resistant to apoptosis and have up-regulation of anti-apoptotic pathways which defend SC against their own inflammatory senescence-associated secretory phenotype (SASP), allowing them to survive, despite killing neighbouring cells. Senolytics transiently disable these SCAPs, causing apoptosis of those SC with a tissue-destructive SASP. Because SC take weeks to reaccumulate, senolytics can be administered intermittently - a 'hit-and-run' approach. In preclinical models, senolytics delay, prevent or alleviate frailty, cancers and cardiovascular, neuropsychiatric, liver, kidney, musculoskeletal, lung, eye, haematological, metabolic and skin disorders as well as complications of organ transplantation, radiation and cancer treatment. As anticipated for agents targeting the fundamental ageing mechanisms that are 'root cause' contributors to multiple disorders, potential uses of senolytics are protean, potentially alleviating over 40 conditions in preclinical studies, opening a new route for treating age-related dysfunction and diseases. Early pilot trials of senolytics suggest they decrease senescent cells, reduce inflammation and alleviate frailty in humans. Clinical trials for diabetes, idiopathic pulmonary fibrosis, Alzheimer's disease, COVID-19, osteoarthritis, osteoporosis, eye diseases and bone marrow transplant and childhood cancer survivors are underway or beginning. Until such studies are done, it is too early for senolytics to be used outside of clinical trials.
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Affiliation(s)
- J L Kirkland
- From the, Mayo Clinic Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - T Tchkonia
- From the, Mayo Clinic Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
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20
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Robbins PD, Jurk D, Khosla S, Kirkland JL, LeBrasseur NK, Miller JD, Passos JF, Pignolo RJ, Tchkonia T, Niedernhofer LJ. Senolytic Drugs: Reducing Senescent Cell Viability to Extend Health Span. Annu Rev Pharmacol Toxicol 2020; 61:779-803. [PMID: 32997601 DOI: 10.1146/annurev-pharmtox-050120-105018] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Senescence is the consequence of a signaling mechanism activated in stressed cells to prevent proliferation of cells with damage. Senescent cells (Sncs) often develop a senescence-associated secretory phenotype to prompt immune clearance, which drives chronic sterile inflammation and plays a causal role in aging and age-related diseases. Sncs accumulate with age and at anatomical sites of disease. Thus, they are regarded as a logical therapeutic target. Senotherapeutics are a new class of drugs that selectively kill Sncs (senolytics) or suppress their disease-causing phenotypes (senomorphics/senostatics). Since 2015, several senolytics went from identification to clinical trial. Preclinical data indicate that senolytics alleviate disease in numerous organs, improve physical function and resilience, and suppress all causes of mortality, even if administered to the aged. Here, we review the evidence that Sncs drive aging and disease, the approaches to identify and optimize senotherapeutics, and the current status of preclinical and clinical testing of senolytics.
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Affiliation(s)
- Paul D Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School, Minneapolis, Minnesota 55455, USA;
| | - Diana Jurk
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Sundeep Khosla
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Jordan D Miller
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - João F Passos
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Robert J Pignolo
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Tamar Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School, Minneapolis, Minnesota 55455, USA;
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21
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Mühlebach MD. Measles virus in cancer therapy. Curr Opin Virol 2020; 41:85-97. [PMID: 32861945 DOI: 10.1016/j.coviro.2020.07.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 02/07/2023]
Abstract
Over the last years, the development of viruses to treat cancer patients has re-gained considerable attention. A genetically modified herpesvirus, Talimogene laherparepvec, has already been authorized for the treatment of melanoma patients. Also recombinant measles virus (MeV) is developed as an oncolytic virus. Because of its high genetic flexibility, a number of different MeV strains have been the basis for the generation of targeted, armed, or shielded viruses that are highly specific for a given tumor target, more effective, or protected against serum neutralization. Such MeV have been extensively tested in vitro and in vivo, whereby remarkable oncolytic potency is accompanied by safety also in non-human primates. Therefore, MeV has been introduced into 19 different clinical trials and has reached phase II against two different tumor entities, multiple myeloma and ovarian carcinoma. Remarkably, one patient with advanced stage myeloma experienced long-term remission after treatment, visualizing the potency of this approach.
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Affiliation(s)
- Michael D Mühlebach
- Division of Veterinary Medicine, Paul-Ehrlich-Institut, Paul-Ehrlich-Strasse 51-59, D-63225 Langen, Germany.
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22
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Humphreys D, ElGhazaly M, Frisan T. Senescence and Host-Pathogen Interactions. Cells 2020; 9:cells9071747. [PMID: 32708331 PMCID: PMC7409240 DOI: 10.3390/cells9071747] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 07/20/2020] [Accepted: 07/20/2020] [Indexed: 12/14/2022] Open
Abstract
Damage to our genomes triggers cellular senescence characterised by stable cell cycle arrest and a pro-inflammatory secretome that prevents the unrestricted growth of cells with pathological potential. In this way, senescence can be considered a powerful innate defence against cancer and viral infection. However, damage accumulated during ageing increases the number of senescent cells and this contributes to the chronic inflammation and deregulation of the immune function, which increases susceptibility to infectious disease in ageing organisms. Bacterial and viral pathogens are masters of exploiting weak points to establish infection and cause devastating diseases. This review considers the emerging importance of senescence in the host-pathogen interaction: we discuss the pathogen exploitation of ageing cells and senescence as a novel hijack target of bacterial pathogens that deploys senescence-inducing toxins to promote infection. The persistent induction of senescence by pathogens, mediated directly through virulence determinants or indirectly through inflammation and chronic infection, also contributes to age-related pathologies such as cancer. This review highlights the dichotomous role of senescence in infection: an innate defence that is exploited by pathogens to cause disease.
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Affiliation(s)
- Daniel Humphreys
- Department of Biomedical Science, University of Sheffield, Sheffield S10 2TN, UK;
- Correspondence: (D.H.); (T.F.)
| | - Mohamed ElGhazaly
- Department of Biomedical Science, University of Sheffield, Sheffield S10 2TN, UK;
| | - Teresa Frisan
- Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
- Umeå Centre for Microbial Research (UCMR), Umeå University, 901 87 Umeå, Sweden
- Correspondence: (D.H.); (T.F.)
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23
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Malfitano AM, Di Somma S, Iannuzzi CA, Pentimalli F, Portella G. Virotherapy: From single agents to combinatorial treatments. Biochem Pharmacol 2020; 177:113986. [PMID: 32330494 DOI: 10.1016/j.bcp.2020.113986] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/16/2020] [Indexed: 12/12/2022]
Abstract
Virotherpay is emerging as a promising strategy against cancer, and three oncolytic viruses (OVs) have gained approval in different countries for the treatment of several cancer types. Beyond the capability to selectively infect, replicate and lyse cancer cells, OVs act through a multitude of events, including modification of the tumour micro/macro-environment as well as a complex modulation of the anti-tumour immune response by activation of danger signals and immunogenic cell death pathways. Most OVs show limited effects, depending on the viral platform and the interactions with the host. OVs used as monotherapy only in a minority of patients elicited a full response. Better outcomes were obtained using OVs in combination with other treatments, such as immune therapy or chemotherapy, suggesting that the full potential of OVs can be unleashed in combination with other treatment modalities. Here, we report the main described combination of OVs with conventional chemotherapeutic agents: platinum salts, mitotic inhibitors, anthracyclines and other antibiotics, anti-metabolites, alkylating agents and topoisomerase inhibitors. Additionally, our work provides an overview of OV combination with targeted therapies: histone deacetylase inhibitors, kinase inhibitors, monoclonal antibodies, inhibitors of DNA repair, inhibitors of the proteasome complex and statins that demonstrated enhanced OV anti-neoplastic activity. Although further studies are required to assess the best combinations to translate the results in the clinic, it is clear that combined therapies, acting with complementary mechanisms of action might be useful to target cancer lesions resistant to currently available treatments.
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Affiliation(s)
- Anna Maria Malfitano
- Dipartimento di Scienze Mediche Traslazionali, Università Federico II Napoli, Italy
| | - Sarah Di Somma
- Dipartimento di Scienze Mediche Traslazionali, Università Federico II Napoli, Italy
| | | | - Francesca Pentimalli
- Cell Biology and Biotherapy Unit, Istituto Nazionale Tumori IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Giuseppe Portella
- Dipartimento di Scienze Mediche Traslazionali, Università Federico II Napoli, Italy.
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24
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May V, Berchtold S, Berger A, Venturelli S, Burkard M, Leischner C, Malek NP, Lauer UM. Chemovirotherapy for pancreatic cancer: Gemcitabine plus oncolytic measles vaccine virus. Oncol Lett 2019; 18:5534-5542. [PMID: 31612061 DOI: 10.3892/ol.2019.10901] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 03/19/2019] [Indexed: 12/11/2022] Open
Abstract
Oncolytic virotherapy with vaccine viruses employs replicative vectors, which quite selectively infect tumor cells leading to massive virus replication followed by subsequent profound tumor cell death (oncolysis). Measles vaccine virus (MeV) has already shown great oncolytic activity against different types of cancers, including pancreatic cancer. Gemcitabine is a first line chemotherapeutic drug used for pancreatic cancer in palliative treatment plans. Furthermore, this drug can be used to induce senescence, a permanent cell cycle arrest, in tumor cells. In our preclinical work, three well-characterized immortalized human pancreatic cancer cell lines were used to investigate the combinatorial effect of MeV-based virotherapy together with the chemotherapeutic compound gemcitabine. Viability assays revealed that the combination of only small amounts of MeV together with subtherapeutic concentrations of gemcitabine resulted in a tumor cell mass reduction of >50%. To further investigate the replication of the oncolytic MeV vectors under these distinct combinatorial conditions, viral growth curves were generated. As a result, viral replication was found to be only slightly diminished in the presence of gemcitabine. As gemcitabine induces senescence, the effect of MeV on that phenomenon was explored using a senescence-associated β-galactosidase assay. Notably, gemcitabine-induced tumor cell senescence was not impaired by MeV. Accordingly, the chemovirotherapeutic combination of gemcitabine plus oncolytic MeV constitutes a novel therapeutic option for advanced pancreatic carcinoma that is characterized by the mutual improvement of the effectiveness of each therapeutic component.
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Affiliation(s)
- Verena May
- Department of Internal Medicine I (Gastroenterology, Gastroenterologic Oncology, Hepatology, Infectiology and Geriatric Medicine), University Hospital Tuebingen, D-72076 Tuebingen, Germany
| | - Susanne Berchtold
- Department of Internal Medicine VIII (Medical Oncology and Pneumology), University Hospital Tuebingen, D-72076 Tuebingen, Germany.,German Cancer Consortium (DKTK), DKFZ Partner Site Tuebingen, Interfaculty Institute of Biology, D-72076 Tuebingen, Germany
| | - Alexander Berger
- Boehringer Ingelheim Pharma GmbH and Co. KG, D-88397 Biberach/Riss, Germany
| | - Sascha Venturelli
- Department of Vegetative and Clinical Physiology, University Hospital Tuebingen, D-72076 Tuebingen, Germany
| | - Markus Burkard
- Department of Vegetative and Clinical Physiology, University Hospital Tuebingen, D-72076 Tuebingen, Germany
| | - Christian Leischner
- Department of Vegetative and Clinical Physiology, University Hospital Tuebingen, D-72076 Tuebingen, Germany
| | - Nisar P Malek
- Department of Internal Medicine I (Gastroenterology, Gastroenterologic Oncology, Hepatology, Infectiology and Geriatric Medicine), University Hospital Tuebingen, D-72076 Tuebingen, Germany
| | - Ulrich M Lauer
- Department of Internal Medicine VIII (Medical Oncology and Pneumology), University Hospital Tuebingen, D-72076 Tuebingen, Germany.,German Cancer Consortium (DKTK), DKFZ Partner Site Tuebingen, Interfaculty Institute of Biology, D-72076 Tuebingen, Germany
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25
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Chemovirotherapeutic Treatment Using Camptothecin Enhances Oncolytic Measles Virus-Mediated Killing of Breast Cancer Cells. Sci Rep 2019; 9:6767. [PMID: 31043633 PMCID: PMC6494908 DOI: 10.1038/s41598-019-43047-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 03/26/2019] [Indexed: 12/20/2022] Open
Abstract
Oncolytic virotherapy represents an emerging development in anticancer therapy. Although it has been tested against a variety of cancers, including breast cancer, the efficacy of oncolytic viral vectors delivered as a monotherapy is limited. Enhancing viral oncolytic therapies through combination treatment with anticancer agents is a feasible strategy. In this study, we considered a chemovirotherapeutic approach for treating breast adenocarcinoma using oncolytic measles virus (MV) and the chemotherapeutic agent camptothecin (CPT). Our results demonstrated that co-treatment of MV with CPT yielded enhanced cytotoxicity against breast cancer cells. Low dosage CPT combined with MV was also found to elicit the same therapeutic effect as high doses of CPT. At the lower dosage used, CPT did not inhibit the early stages of MV entry, nor reduce viral replication. Further studies revealed that co-treatment induced significantly enhanced apoptosis of the breast cancer cells compared to either MV or CPT alone. Overall, our findings demonstrate the potential value of MV plus CPT as a novel chemovirotherapeutic treatment against breast cancer and as a strategy to enhance MV oncolytic activity.
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26
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Prata LGPL, Ovsyannikova IG, Tchkonia T, Kirkland JL. Senescent cell clearance by the immune system: Emerging therapeutic opportunities. Semin Immunol 2018; 40:101275. [PMID: 31088710 PMCID: PMC7061456 DOI: 10.1016/j.smim.2019.04.003] [Citation(s) in RCA: 243] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 11/01/2018] [Accepted: 04/15/2019] [Indexed: 12/19/2022]
Abstract
Senescent cells (SCs) arise from normal cells in multiple organs due to inflammatory, metabolic, DNA damage, or tissue damage signals. SCs are non-proliferating but metabolically active cells that can secrete a range of pro-inflammatory and proteolytic factors as part of the senescence-associated secretory phenotype (SASP). Senescent cell anti-apoptotic pathways (SCAPs) protect SCs from their own pro-apoptotic SASP. SCs can chemo-attract immune cells and are usually cleared by these immune cells. During aging and in multiple chronic diseases, SCs can accumulate in dysfunctional tissues. SCs can impede innate and adaptive immune responses. Whether immune system loss of capacity to clear SCs promotes immune system dysfunction, or conversely whether immune dysfunction permits SC accumulation, are important issues that are not yet fully resolved. SCs may be able to assume distinct states that interact differentially with immune cells, thereby promoting or inhibiting SC clearance, establishing a chronically pro-senescent and pro-inflammatory environment, leading to modulation of the SASP by the immune cells recruited and activated by the SASP. Therapies that enhance immune cell-mediated clearance of SCs could provide a lever for reducing SC burden. Such therapies could include vaccines, small molecule immunomodulators, or other approaches. Senolytics, drugs that selectively eliminate SCs by transiently disabling their SCAPs, may prove to alleviate immune dysfunction in older individuals and thereby accelerate immune-mediated clearance of SCs. The more that can be understood about the interplay between SCs and the immune system, the faster new interventions may be developed to delay, prevent, or treat age-related dysfunction and the multiple senescence-associated chronic diseases and disorders.
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Affiliation(s)
- Larissa G P Langhi Prata
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA.
| | - Inna G Ovsyannikova
- Mayo Clinic Vaccine Research Group, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA.
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA.
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA.
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Kovacovicova K, Skolnaja M, Heinmaa M, Mistrik M, Pata P, Pata I, Bartek J, Vinciguerra M. Senolytic Cocktail Dasatinib+Quercetin (D+Q) Does Not Enhance the Efficacy of Senescence-Inducing Chemotherapy in Liver Cancer. Front Oncol 2018; 8:459. [PMID: 30425964 PMCID: PMC6218402 DOI: 10.3389/fonc.2018.00459] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 10/01/2018] [Indexed: 12/18/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death, which develops in the context of fibrosis and cirrhosis caused by chronic inflammation, in turn due to non-alcoholic fatty liver disease (NAFLD), alcohol consumption and/or hepatitis viral infection. An increased number of senescent cells are associated with age-related tissue degeneration during NAFLD-induced HCC, or during chemotherapeutic treatment. Senolytic agents target selectively senescent cells. A combination of the senolytic drugs dasatinib and quercetin (D+Q) reduced hepatic lipid accumulation and alleviated age-associated physical dysfunction in mice. However, whether D+Q can impact the treatment of HCC, at the end-stage of the NAFLD inflammatory spectrum, is unknown. Here, using two well-established HCC cell lines (HepG2, Huh-7), we demonstrate that the maximal cytostatic doses for D and/or Q (1 + 1 μM) lacked efficacy in removing doxorubicin-induced β-gal-positive senescent cells. Moreover, D+Q did not affect doxorubicin-dependent induction of flattened morphology, activation of p16, expression of SASP-associated genes or formation of γH2AX foci. We then investigated the antitumor efficacy of doxorubicin, D+Q, or the combination, in xenograft studies conducted with HCC cells inoculated in athymic nude mice. Doxorubicin reduced tumor growth by 30% compared to control mice, while D+Q was ineffective in synergizing with doxorubicin and in clearing doxorubicin-induced HCC senescent cells. Unexpectedly, D+Q alone appeared to have acute pro-tumorigenic effects in control mice. While our data need to be confirmed in animal models that fully recapitulate NAFLD, we demonstrate that these compounds are ineffective, alone or in synergy with senescence-inducing chemotherapy, against experimental HCC.
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Affiliation(s)
| | - Marianna Skolnaja
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia.,IVEX Lab, Tallinn, Estonia
| | - Mihkel Heinmaa
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Martin Mistrik
- Faculty of Medicine and Dentistry, Institute of Molecular and Translational Medicine, Palacky University, Olomouc, Czechia
| | - Pille Pata
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia.,IVEX Lab, Tallinn, Estonia
| | | | - Jiri Bartek
- Faculty of Medicine and Dentistry, Institute of Molecular and Translational Medicine, Palacky University, Olomouc, Czechia.,Genome Integrity Unit, Danish Cancer Society Research Center, Copenhagen, Denmark.,Science for Life Laboratory, Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Solna, Sweden
| | - Manlio Vinciguerra
- International Clinical Research Center (FNUSA-ICRC), Brno, Czechia.,Division of Medicine, Institute for Liver and Digestive Health, University College London, London, United Kingdom
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28
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Phan M, Watson MF, Alain T, Diallo JS. Oncolytic Viruses on Drugs: Achieving Higher Therapeutic Efficacy. ACS Infect Dis 2018; 4:1448-1467. [PMID: 30152676 DOI: 10.1021/acsinfecdis.8b00144] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Over the past 20 years there has been a dramatic expansion in the testing of oncolytic viruses (OVs) for the treatment of cancer. OVs are unique biotherapeutics that induce multimodal responses toward tumors, from direct cytopathic effects on cancer cells, to tumor associated blood vessel disruption, and ultimately potent stimulation of anti-tumor immune activation. These agents are highly targeted and can be efficacious as cancer treatments resulting in some patients experiencing complete tumor regression and even cures from OV monotherapy. However, most patients have limited responses with viral replication in tumors often found to be modest and transient. To augment OV replication, increase bystander killing of cancer cells, and/or stimulate stronger targeted anti-cancer immune responses, drug combination approaches have taken center stage for translation to the clinic. Here we comprehensively review drugs that have been combined with OVs to increase therapeutic efficacy, examining the proposed mechanisms of action, and we discuss trends in pharmaco-viral immunotherapeutic approaches currently being investigated.
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Affiliation(s)
- Michael Phan
- Center for Innovative Cancer Research, Ottawa Hospital Research Institute, 501 Smyth Road, Ottawa, Ontario K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, Ontario K1H 8M5, Canada
| | - Margaret F. Watson
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, Ontario K1H 8M5, Canada
- Children’s Hospital of Eastern Ontario Research Institute, 401 Smyth Road Research Building 2, Second Floor, Room 2119, Ottawa, Ontario K1H 8L1, Canada
| | - Tommy Alain
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, Ontario K1H 8M5, Canada
- Children’s Hospital of Eastern Ontario Research Institute, 401 Smyth Road Research Building 2, Second Floor, Room 2119, Ottawa, Ontario K1H 8L1, Canada
| | - Jean-Simon Diallo
- Center for Innovative Cancer Research, Ottawa Hospital Research Institute, 501 Smyth Road, Ottawa, Ontario K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, Ontario K1H 8M5, Canada
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29
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Wei W, Ji S. Cellular senescence: Molecular mechanisms and pathogenicity. J Cell Physiol 2018; 233:9121-9135. [PMID: 30078211 DOI: 10.1002/jcp.26956] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022]
Abstract
Cellular senescence is the arrest of normal cell division. Oncogenic genes and oxidative stress, which cause genomic DNA damage and generation of reactive oxygen species, lead to cellular senescence. The senescence-associated secretory phenotype is a distinct feature of senescence. Senescence is normally involved in the embryonic development. Senescent cells can communicate with immune cells to invoke an immune response. Senescence emerges during the aging process in several tissues and organs. In fact, increasing evidence shows that cellular senescence is implicated in aging-related diseases, such as nonalcoholic fatty liver disease, obesity and diabetes, pulmonary hypertension, and tumorigenesis. Cellular senescence can also be induced by microbial infection. During cellular senescence, several signaling pathways, including those of p53, nuclear factor-κB (NF-κB), mammalian target of rapamycin, and transforming growth factor-beta, play important roles. Accumulation of senescent cells can trigger chronic inflammation, which may contribute to the pathological changes in the elderly. Given the variety of deleterious effects caused by cellular senescence in humans, strategies have been proposed to control senescence. In this review, we will focus on recent studies to provide a brief introduction to cellular senescence, including associated signaling pathways and pathology.
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Affiliation(s)
- Wenqiang Wei
- Laboratory of Cell Signal Transduction, Basic Medical School, Henan University, Kaifeng, Henan, China.,Department of Microbiology, Basic Medical School, Henan University, Kaifeng, Henan, China
| | - Shaoping Ji
- Laboratory of Cell Signal Transduction, Basic Medical School, Henan University, Kaifeng, Henan, China
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30
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Ungerechts G, Engeland CE, Buchholz CJ, Eberle J, Fechner H, Geletneky K, Holm PS, Kreppel F, Kühnel F, Lang KS, Leber MF, Marchini A, Moehler M, Mühlebach MD, Rommelaere J, Springfeld C, Lauer UM, Nettelbeck DM. Virotherapy Research in Germany: From Engineering to Translation. Hum Gene Ther 2018; 28:800-819. [PMID: 28870120 DOI: 10.1089/hum.2017.138] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Virotherapy is a unique modality for the treatment of cancer with oncolytic viruses (OVs) that selectively infect and lyse tumor cells, spread within tumors, and activate anti-tumor immunity. Various viruses are being developed as OVs preclinically and clinically, several of them engineered to encode therapeutic proteins for tumor-targeted gene therapy. Scientists and clinicians in German academia have made significant contributions to OV research and development, which are highlighted in this review paper. Innovative strategies for "shielding," entry or postentry targeting, and "arming" of OVs have been established, focusing on adenovirus, measles virus, parvovirus, and vaccinia virus platforms. Thereby, new-generation virotherapeutics have been derived. Moreover, immunotherapeutic properties of OVs and combination therapies with pharmacotherapy, radiotherapy, and especially immunotherapy have been investigated and optimized. German investigators are increasingly assessing their OV innovations in investigator-initiated and sponsored clinical trials. As a prototype, parvovirus has been tested as an OV from preclinical proof-of-concept up to first-in-human clinical studies. The approval of the first OV in the Western world, T-VEC (Imlygic), has further spurred the involvement of investigators in Germany in international multicenter studies. With the encouraging developments in funding, commercialization, and regulatory procedures, more German engineering will be translated into OV clinical trials in the near future.
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Affiliation(s)
- Guy Ungerechts
- 1 Department of Medical Oncology, National Center for Tumor Diseases and Heidelberg University Hospital , Heidelberg, Germany .,2 Department of Translational Oncology, National Center for Tumor Diseases and German Cancer Research Center (DKFZ), Heidelberg, Germany .,3 Centre for Innovative Cancer Research, Ottawa Hospital Research Institute , Ottawa, Ontario, Canada
| | - Christine E Engeland
- 1 Department of Medical Oncology, National Center for Tumor Diseases and Heidelberg University Hospital , Heidelberg, Germany .,2 Department of Translational Oncology, National Center for Tumor Diseases and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Christian J Buchholz
- 4 Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut , Langen, Germany .,5 German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), partner site Heidelberg, Germany
| | - Jürgen Eberle
- 6 Charité -Universitätsmedizin Berlin, Department of Dermatology, Skin Cancer Centre Charité , Berlin, Germany
| | - Henry Fechner
- 7 Technische Universität Berlin, Institute of Biotechnology , Department of Applied Biochemistry, Berlin, Germany
| | - Karsten Geletneky
- 8 Department of Neurosurgery, Klinikum Darmstadt , Darmstadt, Germany
| | - Per Sonne Holm
- 9 Department of Urology, Klinikum rechts der Isar, Technical University Munich , Munich, Germany
| | - Florian Kreppel
- 10 Chair of Biochemistry and Molecular Medicine, Center for Biomedical Research and Education (ZBAF), Faculty of Health, University Witten/Herdecke (UW/H), Witten, Germany
| | - Florian Kühnel
- 11 Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School (MHH), Hannover, Germany
| | - Karl Sebastian Lang
- 12 Institute of Immunology, Medical Faculty, University of Duisburg-Essen , Essen, Germany
| | - Mathias F Leber
- 1 Department of Medical Oncology, National Center for Tumor Diseases and Heidelberg University Hospital , Heidelberg, Germany .,2 Department of Translational Oncology, National Center for Tumor Diseases and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Antonio Marchini
- 13 Department of Tumor Virology, Infection, Inflammation and Cancer Program, German Cancer Research Center (DKFZ), Heidelberg, Germany .,14 Laboratory of Oncolytic Virus Immuno-Therapeutics (LOVIT), Luxembourg Institute of Health (LIH), Strassen, Luxembourg
| | - Markus Moehler
- 15 University Medical Center Mainz , I. Dept. of Internal Medicine, Mainz, Germany
| | - Michael D Mühlebach
- 16 Product Testing of Immunological Veterinary Medicinal Products, Paul-Ehrlich-Institut , Langen, Germany
| | - Jean Rommelaere
- 13 Department of Tumor Virology, Infection, Inflammation and Cancer Program, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Christoph Springfeld
- 1 Department of Medical Oncology, National Center for Tumor Diseases and Heidelberg University Hospital , Heidelberg, Germany
| | - Ulrich M Lauer
- 17 Department of Clinical Tumor Biology, Medical University Hospital , Tübingen, Germany .,18 German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), partner site Tübingen, Germany
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31
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Abstract
Senescence is a double-edged sword that can function in opposite directions. It is a potential mechanism for a cell to avoid malignant transformation. However, senescence can also promote cancer development by altering the cellular microenvironment through a senescence-associated secretory phenotype (SASP). At least, three types of cellular stress such as activation of oncogenes, loss of tumor suppressor genes, and chemo/radiotherapy can induce cell senescence. Oncogene-induced senescence can be intertwiningly associated with the replicative senescence. Early-stage senescence may protect cell from transformation, while prolonged senescence often promotes cancer development. This review will focus on the characteristics of senescence, discuss the regulation of senescence during cancer development, and highlight the complexity of senescence that makes cancer treatment challenging.
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Affiliation(s)
- Sulin Zeng
- Department of Microbiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing, China.,Department of Radiation Oncology, Weill Medical College of Cornell University, New York, NY, USA
| | - Wen H Shen
- Department of Radiation Oncology, Weill Medical College of Cornell University, New York, NY, USA
| | - Li Liu
- Department of Microbiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing, China
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32
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Abstract
Measles remains an important cause of child morbidity and mortality worldwide despite the availability of a safe and efficacious vaccine. The current measles virus (MeV) vaccine was developed empirically by attenuation of wild-type (WT) MeV by in vitro passage in human and chicken cells and licensed in 1963. Additional passages led to further attenuation and the successful vaccine strains in widespread use today. Attenuation is associated with decreased replication in lymphoid tissue, but the molecular basis for this restriction has not been identified. The immune response is age dependent, inhibited by maternal antibody (Ab) and involves induction of both Ab and T cell responses that resemble the responses to WT MeV infection, but are lower in magnitude. Protective immunity is correlated with levels of neutralizing Ab, but the actual immunologic determinants of protection are not known. Because measles is highly transmissible, control requires high levels of population immunity. Delivery of the two doses of vaccine needed to achieve >90% immunity is accomplished by routine immunization of infants at 9-15 months of age followed by a second dose delivered before school entry or by periodic mass vaccination campaigns. Because delivery by injection creates hurdles to sustained high coverage, there are efforts to deliver MeV vaccine by inhalation. In addition, the safety record for the vaccine combined with advances in reverse genetics for negative strand viruses has expanded proposed uses for recombinant versions of measles vaccine as vectors for immunization against other infections and as oncolytic agents for a variety of tumors.
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Affiliation(s)
- Diane E Griffin
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland
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33
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Abstract
Senescence is a durable cell cycle arrest that can be induced in response to various stress factors, such as telomere erosion, DNA damage or the aberrant activation of oncogenes. In addition to its well-established role as a stress response programme, research has revealed important physiological roles of senescence in nondisease settings, such as embryonic development, wound healing, tissue repair and ageing. Senescent cells secrete various cytokines, chemokines, matrix remodelling proteases and growth factors, a phenotype collectively referred to as the senescence-associated secretory phenotype. These factors evoke immune responses that, depending on the pathophysiological context, can either prevent or even fuel disease and tumorigenesis. Remarkably, even the gut microbiota can influence senescence in various organs. In this Review, we provide an introduction to cellular senescence, addressed particularly to gastroenterologists and hepatologists, and discuss the implications of senescence for the pathogenesis of malignant and nonmalignant gastrointestinal and hepatobiliary diseases. We conclude with an outlook on how modulation of cellular senescence might be used for therapeutic purposes.
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Chen Z, Lin H, Hu K, Su R, Lai N, Yang Z, Kang S. [Soluble PD-1 over-expression enhances the anti-tumor effect of senescence tumor cell vaccine against breast cancer cell growth in tumor-bearing mice]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2018; 38:20-26. [PMID: 33177023 DOI: 10.3969/j.issn.1673-4254.2018.01.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To investigate whether soluble PD-1 overexpression in 4T1 senescence tumor cells enhances the antitumor effect of senescence tumor cell vaccine (STCV) against breast tumor cells in a tumor-bearing mouse model. METHODS 4T1 cells were treated with interferon-γ (IFN-γ) and the expression of PD-L1 was detected by flow cytometry. CCK8 assay was used to compare the cell proliferation activity between 4T1 cells and 4T1 cells infected by a lentiviral vector of sPD-1 (4T1/sPD-1 cells), and the expressions of sPD-1 mRNA and protein in 4T1/sPD-1 cells were detected using qPCR and Western blotting. The culture supernatant of 4T1/sPD-1 cells was added in 4T1 cells pre-treated with IFN-γ, and PD-1-positive 4T1 cells were detected with flow cytometry. Senescence β-galactosidase staining kit was used to detect the senescent 4T1 and 4T1/sPD-1 cells following exposure to X-ray radiation and Veliparib. Balb/c mice bearing subcutaneous 4T1 tumor xenografts were treated with injections of PBS, 4T1 STCV, or 4T1/sPD-1 STCV, and tumor growth was observed. RESULTS Stimulation with IFN-γ concentration-dependently up-regulated PD-L1 expression by as much as (84.80 ± 1.03)% in 4T1 cells (P < 0.001). sPD-1 overexpression in 4T1 cells did not significantly affect the cell proliferation. Treatment of 4T1 cells with 4T1/sPD-1 cell culture supernatant significantly increased the proportion of PD-1 + cells from (6.893 ± 0.271)% to (55.450 ± 0.555)% (P < 0.001). X-ray irradiation combined with Veliparib caused obvious senescence in 4T1 and 4T1/sPD-1 cells. In the tumor-preventing experiment, tumor formation occurred in all the mice in PBS group; 28.787% of the mice in 4T1 STCV group and 55.556% in 4T1/sPD-1 STCV group showed no tumor formation. In the tumor treatment experiment, tumor formation occurred in all the mice in PBS groups while in 4T1 STCV and 4T1/sPD-1 STCV groups, 11.111% and 38.89% of the mice were tumor-free during the observation period, respectively. CONCLUSIONS Senescence tumor cells vaccine has antitumor effect against breast cancer in mice, and sPD-1 overexpression can enhance this effect of the vaccine.
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Affiliation(s)
- Zehong Chen
- Department of Oncology, Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Huiwen Lin
- Department of Oncology, Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Kang Hu
- Department of Oncology, Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Ruxiong Su
- Department of Pharmacy, Puning Peoples' Hospital, Southern Medical University, Puning 515300, China
| | - Nan Lai
- Department of Oncology, Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Zike Yang
- Department of Oncology, Cancer Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Shijun Kang
- Department of Oncology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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35
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Abstract
INTRODUCTION Oncolytic viruses represent a novel treatment modality that is unencumbered by the standard resistance mechanisms limiting the therapeutic efficacy of conventional antineoplastic agents. Attenuated engineered measles virus strains derived from the Edmonston vaccine lineage have undergone extensive preclinical evaluation with significant antitumor activity observed in a broad range of preclinical tumoral models. These have laid the foundation for several clinical trials in both solid and hematologic malignancies, which have demonstrated safety, biologic activity and the ability to elicit antitumor immune responses. Areas covered: This review examines the published preclinical data which supported the clinical translation of this therapeutic platform, reviews the available clinical trial data and expands on ongoing phase II testing. It also looks at approaches to optimize clinical applicability and offers future perspectives. Expert opinion: Reverse genetic engineering has allowed the generation of oncolytic MV strains retargeted to increase viral tumor specificity, or armed with therapeutic and immunomodulatory genes in order to enhance anti-tumor efficacy. Continuous efforts focusing on exploring methods to overcome resistance pathways and determining optimal combinatorial strategies will facilitate further development of this encouraging antitumor strategy.
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Affiliation(s)
- Steven Robinson
- a Division of Medical Oncology , Mayo Clinic , Rochester , MN , USA
| | - Evanthia Galanis
- a Division of Medical Oncology , Mayo Clinic , Rochester , MN , USA
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36
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Binz E, Berchtold S, Beil J, Schell M, Geisler C, Smirnow I, Lauer UM. Chemovirotherapy of Pancreatic Adenocarcinoma by Combining Oncolytic Vaccinia Virus GLV-1h68 with nab-Paclitaxel Plus Gemcitabine. MOLECULAR THERAPY-ONCOLYTICS 2017; 6:10-21. [PMID: 28607950 PMCID: PMC5458765 DOI: 10.1016/j.omto.2017.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 04/12/2017] [Indexed: 12/15/2022]
Abstract
Oncolytic viruses have proven their therapeutic potential against a variety of different tumor entities both in vitro and in vivo. Their ability to selectively infect and lyse tumor cells, while sparing healthy tissues, makes them favorable agents for tumor-specific treatment approaches. Particularly, the addition of virotherapeutics to already established chemotherapy protocols (so-called chemovirotherapy) is of major interest. Here we investigated the in vitro cytotoxic effect of the oncolytic vaccinia virus GLV-1h68 combined with dual chemotherapy with nab-paclitaxel plus gemcitabine in four human pancreatic adenocarcinoma cell lines (AsPc-1, BxPc-3, MIA-PaCa-2, and Panc-1). This chemovirotherapeutic protocol resulted in enhanced tumor cell killing in two tumor cell lines compared to the respective monotherapies. We were thereby able to show that the combination of oncolytic vaccinia virus GLV-1h68 with nab-paclitaxel and gemcitabine has great potential in the chemovirotherapeutic treatment of advanced pancreatic adenocarcinoma. However, the key to a successful combinatorial chemovirotherapeutic treatment seems to be a profound viral replication, as tumor cell lines that were non-responsive to the combination therapy exhibited a reduced viral replication in the presence of the chemotherapeutics. This finding is of special significance when aiming to achieve a virus-mediated induction of a profound and long-lasting antitumor immunity.
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Affiliation(s)
- Eike Binz
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany
| | - Susanne Berchtold
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany.,German Cancer Consortium (DKTK), DKFZ Partner Site, 72076 Tuebingen, Germany
| | - Julia Beil
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany.,German Cancer Consortium (DKTK), DKFZ Partner Site, 72076 Tuebingen, Germany
| | - Martina Schell
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany
| | - Christine Geisler
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany
| | - Irina Smirnow
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany.,German Cancer Consortium (DKTK), DKFZ Partner Site, 72076 Tuebingen, Germany
| | - Ulrich M Lauer
- Department of Internal Medicine VIII, University Hospital Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany.,German Cancer Consortium (DKTK), DKFZ Partner Site, 72076 Tuebingen, Germany
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Kim JA, Seong RK, Shin OS. Enhanced Viral Replication by Cellular Replicative Senescence. Immune Netw 2016; 16:286-295. [PMID: 27799874 PMCID: PMC5086453 DOI: 10.4110/in.2016.16.5.286] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 10/11/2016] [Accepted: 10/13/2016] [Indexed: 12/30/2022] Open
Abstract
Cellular replicative senescence is a major contributing factor to aging and to the development and progression of aging-associated diseases. In this study, we sought to determine viral replication efficiency of influenza virus (IFV) and Varicella Zoster Virus (VZV) infection in senescent cells. Primary human bronchial epithelial cells (HBE) or human dermal fibroblasts (HDF) were allowed to undergo numbers of passages to induce replicative senescence. Induction of replicative senescence in cells was validated by positive senescence-associated β-galactosidase staining. Increased susceptibility to both IFV and VZV infection was observed in senescent HBE and HDF cells, respectively, resulting in higher numbers of plaque formation, along with the upregulation of major viral antigen expression than that in the non-senescent cells. Interestingly, mRNA fold induction level of virus-induced type I interferon (IFN) was attenuated by senescence, whereas IFN-mediated antiviral effect remained robust and potent in virus-infected senescent cells. Additionally, we show that a longevity-promoting gene, sirtuin 1 (SIRT1), has antiviral role against influenza virus infection. In conclusion, our data indicate that enhanced viral replication by cellular senescence could be due to senescence-mediated reduction of virus-induced type I IFN expression.
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Affiliation(s)
- Ji-Ae Kim
- Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul 08308, Korea
| | - Rak-Kyun Seong
- Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul 08308, Korea
| | - Ok Sarah Shin
- Brain Korea 21 Plus for Biomedical Science, College of Medicine, Korea University, Seoul 08308, Korea
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Ellerhoff TP, Berchtold S, Venturelli S, Burkard M, Smirnow I, Wulff T, Lauer UM. Novel epi-virotherapeutic treatment of pancreatic cancer combining the oral histone deacetylase inhibitor resminostat with oncolytic measles vaccine virus. Int J Oncol 2016; 49:1931-1944. [DOI: 10.3892/ijo.2016.3675] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 07/22/2016] [Indexed: 11/05/2022] Open
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Simpson GR, Relph K, Harrington K, Melcher A, Pandha H. Cancer immunotherapy via combining oncolytic virotherapy with chemotherapy: recent advances. Oncolytic Virother 2016; 5:1-13. [PMID: 27579292 PMCID: PMC4996257 DOI: 10.2147/ov.s66083] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Oncolytic viruses are multifunctional anticancer agents with huge clinical potential, and have recently passed the randomized Phase III clinical trial hurdle. Both wild-type and engineered viruses have been selected for targeting of specific cancers, to elicit cytotoxicity, and also to generate antitumor immunity. Single-agent oncolytic virotherapy treatments have resulted in modest effects in the clinic. There is increasing interest in their combination with cytotoxic agents, radiotherapy and immune-checkpoint inhibitors. Similarly to oncolytic viruses, the benefits of chemotherapeutic agents may be that they induce systemic antitumor immunity through the induction of immunogenic cell death of cancer cells. Combining these two treatment modalities has to date resulted in significant potential in vitro and in vivo synergies through various mechanisms without any apparent additional toxicities. Chemotherapy has been and will continue to be integral to the management of advanced cancers. This review therefore focuses on the potential for a number of common cytotoxic agents to be combined with clinically relevant oncolytic viruses. In many cases, this combined approach has already advanced to the clinical trial arena.
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Affiliation(s)
- Guy R Simpson
- Department of Clinical and Experimental Medicine, Targeted Cancer Therapy, Faculty of Health and Medical Sciences, University of Surrey, Guildford
| | - Kate Relph
- Department of Clinical and Experimental Medicine, Targeted Cancer Therapy, Faculty of Health and Medical Sciences, University of Surrey, Guildford
| | - Kevin Harrington
- Targeted Therapy, The Institute of Cancer Research/The Royal Marsden NIHR Biomedical Research Centre, London
| | - Alan Melcher
- Targeted and Biological Therapies, Oncology and Clinical Research, Leeds Institute of Cancer and Pathology, Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - Hardev Pandha
- Department of Clinical and Experimental Medicine, Targeted Cancer Therapy, Faculty of Health and Medical Sciences, University of Surrey, Guildford
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Gonzalez LC, Ghadaouia S, Martinez A, Rodier F. Premature aging/senescence in cancer cells facing therapy: good or bad? Biogerontology 2015; 17:71-87. [DOI: 10.1007/s10522-015-9593-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 07/22/2015] [Indexed: 01/07/2023]
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Abstract
New therapies for metastatic breast cancer patients are urgently needed. The long-term survival rates remain unacceptably low for patients with recurrent disease or disseminated metastases. In addition, existing therapies often cause a variety of debilitating side effects that severely impact quality of life. Oncolytic viruses constitute a developing therapeutic modality in which interest continues to build due to their ability to spare normal tissue while selectively destroying tumor cells. A number of different viruses have been used to develop oncolytic agents for breast cancer, including herpes simplex virus, adenovirus, vaccinia virus, measles virus, reovirus, and others. In general, clinical trials for several cancers have demonstrated excellent safety records and evidence of efficacy. However, the impressive tumor responses often observed in preclinical studies have yet to be realized in the clinic. In order for the promise of oncolytic virotherapy to be fully realized for breast cancer patients, effectiveness must be demonstrated in metastatic disease. This review provides a summary of oncolytic virotherapy strategies being developed to target metastatic breast cancer.
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Affiliation(s)
| | - Douglas R Hurst
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA
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Siurala M, Bramante S, Vassilev L, Hirvinen M, Parviainen S, Tähtinen S, Guse K, Cerullo V, Kanerva A, Kipar A, Vähä-Koskela M, Hemminki A. Oncolytic adenovirus and doxorubicin-based chemotherapy results in synergistic antitumor activity against soft-tissue sarcoma. Int J Cancer 2014; 136:945-54. [DOI: 10.1002/ijc.29048] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 05/15/2014] [Accepted: 05/27/2014] [Indexed: 12/22/2022]
Affiliation(s)
- Mikko Siurala
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
| | - Simona Bramante
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
| | | | - Mari Hirvinen
- Laboratory of Immunovirotherapy; Division of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmacy, University of Helsinki; Helsinki Finland
| | - Suvi Parviainen
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
| | - Siri Tähtinen
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
| | - Kilian Guse
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
| | - Vincenzo Cerullo
- Laboratory of Immunovirotherapy; Division of Biopharmaceutics and Pharmacokinetics, Faculty of Pharmacy, University of Helsinki; Helsinki Finland
| | - Anna Kanerva
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
- Department of Obstetrics and Gynecology; Helsinki University Central Hospital; Helsinki Finland
| | - Anja Kipar
- Finnish Centre for Laboratory Animal Pathology; Faculty of Veterinary Medicine, University of Helsinki; Helsinki Finland
- Department of Infection Biology; Institute of Global Health, School of Veterinary Science, University of Liverpool; Liverpool United Kingdom
| | - Markus Vähä-Koskela
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
| | - Akseli Hemminki
- Cancer Gene Therapy Group, Department of Pathology and Transplantation Laboratory; Haartman Institute, University of Helsinki; Helsinki Finland
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