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Yuxiao C, Jiachen W, Yanjie L, Shenglan L, Yuji W, Wenbin L. Therapeutic potential of arginine deprivation therapy for gliomas: a systematic review of the existing literature. Front Pharmacol 2024; 15:1446725. [PMID: 39239650 PMCID: PMC11375294 DOI: 10.3389/fphar.2024.1446725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 08/13/2024] [Indexed: 09/07/2024] Open
Abstract
Background Arginine deprivation therapy (ADT) hinders glioma cells' access to nutrients by reducing peripheral blood arginine, showing great efficacy in various studies, which suggests it as a potentially promising treatment for glioma. The aim of this systematic review was to explore the mechanism of ADT for gliomas, the therapeutic effect based on existing research, and possible combination therapies. Methods We performed a systematic literature review of PubMed, ScienceDirect and Web of Science databases according to PRISMA guidelines, searching for articles on the efficacy of ADT in glioma. Results We identified 17 studies among 786 search results, among which ADT therapy mainly based on Arginine free condition, Arginine Deiminase and Arginase, including three completed clinical trials. ADT therapy has shown promising results in vivo and in vitro, with its safety confirmed in clinical trials. In the early phase of treatment, glioblastoma (GBM) cells develop protective mechanisms of stress and autophagy, which eventually evolve into caspase dependent apoptosis or senescence, respectively. The immunosuppressive microenvironment is also altered by arginine depletion, such as the transformation of microglia into a pro-inflammatory phenotype and the activation of T-cells. Thus, ADT therapy demonstrates glioma-killing effect in the presence of a combination of mechanisms. In combination with various conventional therapies and investigational drugs such as radiotherapy, temozolomide (TMZ), cyclin-dependent kinase inhibitors (CDK) inhibitors and autophagy inducers, ADT therapy has been shown to be more effective. However, the phenomenon of drug resistance due to re-expression of ASS1 rather than stem cell remains to be investigated. Conclusion Despite the paucity of studies in the literature, the available data demonstrate the therapeutic potential of arginine deprivation therapy for glioma and encourage further research, especially the exploration of its combination therapies and the extrapolation of what we know about the effects and mechanisms of ADT from other tumors to glioma.
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Affiliation(s)
- Chen Yuxiao
- Department of Neuro-Oncology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Xuanwu Hospital (The First Clinical College of Capital Medical University), Beijing, China
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Capital Medical University, Beijing, China
| | - Wang Jiachen
- Department of Neuro-Oncology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Lan Yanjie
- Department of Neuro-Oncology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Li Shenglan
- Department of Neuro-Oncology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wang Yuji
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Capital Medical University, Beijing, China
| | - Li Wenbin
- Department of Neuro-Oncology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Yarahmadi A, Zare M, Aghayari M, Afkhami H, Jafari GA. Therapeutic bacteria and viruses to combat cancer: double-edged sword in cancer therapy: new insights for future. Cell Commun Signal 2024; 22:239. [PMID: 38654309 PMCID: PMC11040964 DOI: 10.1186/s12964-024-01622-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/17/2024] [Indexed: 04/25/2024] Open
Abstract
Cancer, ranked as the second leading cause of mortality worldwide, leads to the death of approximately seven million people annually, establishing itself as one of the most significant health challenges globally. The discovery and identification of new anti-cancer drugs that kill or inactivate cancer cells without harming normal and healthy cells and reduce adverse effects on the immune system is a potential challenge in medicine and a fundamental goal in Many studies. Therapeutic bacteria and viruses have become a dual-faceted instrument in cancer therapy. They provide a promising avenue for cancer treatment, but at the same time, they also create significant obstacles and complications that contribute to cancer growth and development. This review article explores the role of bacteria and viruses in cancer treatment, examining their potential benefits and drawbacks. By amalgamating established knowledge and perspectives, this review offers an in-depth examination of the present research landscape within this domain and identifies avenues for future investigation.
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Affiliation(s)
- Aref Yarahmadi
- Department of Biology, Khorramabad Branch, Islamic Azad University, Khorramabad, Iran
| | - Mitra Zare
- Department of Microbiology, Faculty of Sciences, Kerman Branch, Islamic Azad University, Kerman, Iran
| | - Masoomeh Aghayari
- Department of Microbiology, Faculty of Sciences, Urmia Branch, Islamic Azad University, Urmia, Iran
| | - Hamed Afkhami
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran.
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran.
- Department of Medical Microbiology, Faculty of Medicine, Shahed University, Tehran, Iran.
| | - Gholam Ali Jafari
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran.
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Sharma S, Sharma H, Gogoi H. Bacterial immunotherapy: is it a weapon in our arsenal in the fight against cancer? Front Immunol 2023; 14:1277677. [PMID: 38090593 PMCID: PMC10711065 DOI: 10.3389/fimmu.2023.1277677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 11/03/2023] [Indexed: 12/18/2023] Open
Abstract
Advances in understanding the genetic basis of cancer have driven alternative treatment approaches. Recent findings have demonstrated the potential of bacteria and it's components to serve as robust theranostic agents for cancer eradication. Compared to traditional cancer therapies like surgery, chemotherapy, radiotherapy, bacteria mediated tumor therapy has exhibited superior cancer suppressing property which is attributed a lot to it's tumor proliferating and accumulating characteristics. Genetically modified bacteria has reduced inherent toxicity and enhanced specificity towards tumor microenvironment. This anti- tumor activity of bacteria is attributed to its toxins and other active components from the cell membrane, cell wall and spores. Furthermore, bacterial genes can be regulated to express and deliver cytokines, antibodies and cancer therapeutics. Although there is less clinical data available, the pre- clinical research clearly indicates the feasibility and potential of bacteria- mediated cancer therapy.
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Affiliation(s)
- Shubhra Sharma
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur, India
| | - Himani Sharma
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur, India
| | - Himanshu Gogoi
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur, India
- Translational Health Science and Technology Institute, National Capital Region (NCR) Biotech Science Cluster, Faridabad, India
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Ling ZN, Jiang YF, Ru JN, Lu JH, Ding B, Wu J. Amino acid metabolism in health and disease. Signal Transduct Target Ther 2023; 8:345. [PMID: 37699892 PMCID: PMC10497558 DOI: 10.1038/s41392-023-01569-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 06/12/2023] [Accepted: 07/13/2023] [Indexed: 09/14/2023] Open
Abstract
Amino acids are the building blocks of protein synthesis. They are structural elements and energy sources of cells necessary for normal cell growth, differentiation and function. Amino acid metabolism disorders have been linked with a number of pathological conditions, including metabolic diseases, cardiovascular diseases, immune diseases, and cancer. In the case of tumors, alterations in amino acid metabolism can be used not only as clinical indicators of cancer progression but also as therapeutic strategies. Since the growth and development of tumors depend on the intake of foreign amino acids, more and more studies have targeted the metabolism of tumor-related amino acids to selectively kill tumor cells. Furthermore, immune-related studies have confirmed that amino acid metabolism regulates the function of effector T cells and regulatory T cells, affecting the function of immune cells. Therefore, studying amino acid metabolism associated with disease and identifying targets in amino acid metabolic pathways may be helpful for disease treatment. This article mainly focuses on the research of amino acid metabolism in tumor-oriented diseases, and reviews the research and clinical research progress of metabolic diseases, cardiovascular diseases and immune-related diseases related to amino acid metabolism, in order to provide theoretical basis for targeted therapy of amino acid metabolism.
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Affiliation(s)
- Zhe-Nan Ling
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, P.R. China
- NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, Research Unit of Collaborative Diagnosis and Treatment For Hepatobiliary and Pancreatic Cancer, Chinese Academy of Medical Sciences (2019RU019), Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of Organ Transplantation, Research Center for Diagnosis and Treatment of Hepatobiliary Diseases, Hangzhou, Zhejiang Province, P.R. China
| | - Yi-Fan Jiang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, P.R. China
- NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, Research Unit of Collaborative Diagnosis and Treatment For Hepatobiliary and Pancreatic Cancer, Chinese Academy of Medical Sciences (2019RU019), Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of Organ Transplantation, Research Center for Diagnosis and Treatment of Hepatobiliary Diseases, Hangzhou, Zhejiang Province, P.R. China
| | - Jun-Nan Ru
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, P.R. China
- NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, Research Unit of Collaborative Diagnosis and Treatment For Hepatobiliary and Pancreatic Cancer, Chinese Academy of Medical Sciences (2019RU019), Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of Organ Transplantation, Research Center for Diagnosis and Treatment of Hepatobiliary Diseases, Hangzhou, Zhejiang Province, P.R. China
| | - Jia-Hua Lu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, P.R. China
- NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, Research Unit of Collaborative Diagnosis and Treatment For Hepatobiliary and Pancreatic Cancer, Chinese Academy of Medical Sciences (2019RU019), Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of Organ Transplantation, Research Center for Diagnosis and Treatment of Hepatobiliary Diseases, Hangzhou, Zhejiang Province, P.R. China
| | - Bo Ding
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, P.R. China
- NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, Research Unit of Collaborative Diagnosis and Treatment For Hepatobiliary and Pancreatic Cancer, Chinese Academy of Medical Sciences (2019RU019), Hangzhou, Zhejiang Province, P.R. China
- Key Laboratory of Organ Transplantation, Research Center for Diagnosis and Treatment of Hepatobiliary Diseases, Hangzhou, Zhejiang Province, P.R. China
| | - Jian Wu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, P.R. China.
- NHC Key Laboratory of Combined Multi-organ Transplantation, Hangzhou, Zhejiang Province, P.R. China.
- Key Laboratory of the Diagnosis and Treatment of Organ Transplantation, Research Unit of Collaborative Diagnosis and Treatment For Hepatobiliary and Pancreatic Cancer, Chinese Academy of Medical Sciences (2019RU019), Hangzhou, Zhejiang Province, P.R. China.
- Key Laboratory of Organ Transplantation, Research Center for Diagnosis and Treatment of Hepatobiliary Diseases, Hangzhou, Zhejiang Province, P.R. China.
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Chu YD, Lai MW, Yeh CT. Unlocking the Potential of Arginine Deprivation Therapy: Recent Breakthroughs and Promising Future for Cancer Treatment. Int J Mol Sci 2023; 24:10668. [PMID: 37445845 DOI: 10.3390/ijms241310668] [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: 05/23/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Arginine is a semi-essential amino acid that supports protein synthesis to maintain cellular functions. Recent studies suggest that arginine also promotes wound healing, cell division, ammonia metabolism, immune system regulation, and hormone biosynthesis-all of which are critical for tumor growth. These discoveries, coupled with the understanding of cancer cell metabolic reprogramming, have led to renewed interest in arginine deprivation as a new anticancer therapy. Several arginine deprivation strategies have been developed and entered clinical trials. The main principle behind these therapies is that arginine auxotrophic tumors rely on external arginine sources for growth because they carry reduced key arginine-synthesizing enzymes such as argininosuccinate synthase 1 (ASS1) in the intracellular arginine cycle. To obtain anticancer effects, modified arginine-degrading enzymes, such as PEGylated recombinant human arginase 1 (rhArg1-PEG) and arginine deiminase (ADI-PEG 20), have been developed and shown to be safe and effective in clinical trials. They have been tried as a monotherapy or in combination with other existing therapies. This review discusses recent advances in arginine deprivation therapy, including the molecular basis of extracellular arginine degradation leading to tumor cell death, and how this approach could be a valuable addition to the current anticancer arsenal.
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Affiliation(s)
- Yu-De Chu
- Liver Research Center, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
| | - Ming-Wei Lai
- Liver Research Center, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
- Department of Pediatrics, Chang Gung Memorial Hospital, Linkou Branch and Chang Gung University College of Medicine, Taoyuan 333, Taiwan
| | - Chau-Ting Yeh
- Liver Research Center, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
- Molecular Medicine Research Center, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
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6
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Ikryannikova LN, Gorokhovets NV, Belykh DA, Kurbatov LK, Zamyatnin AA. Bacterial Therapy of Cancer: A Way to the Dustbin of History or to the Medicine of the Future? Int J Mol Sci 2023; 24:ijms24119726. [PMID: 37298677 DOI: 10.3390/ijms24119726] [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: 04/22/2023] [Revised: 05/23/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Bacteria are the constant companions of the human body throughout its life and even after its death. The history of a human disease such as cancer and the history of microorganisms, particularly bacteria, are believed to closely intertwined. This review was conceived to highlight the attempts of scientists from ancient times to the present day to discover the relationship between bacteria and the emergence or development of tumors in the human body. Challenges and achievements of 21st century science in forcing bacteria to serve for cancer treatment are considered. The future possibilities of bacterial cancer therapy, including the creation of bacterial microrobots, or "bacteriobots", are also discussed.
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Affiliation(s)
- Larisa N Ikryannikova
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Trubetskaya 8/2, 119991 Moscow, Russia
| | - Neonila V Gorokhovets
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Trubetskaya 8/2, 119991 Moscow, Russia
| | - Darya A Belykh
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Trubetskaya 8/2, 119991 Moscow, Russia
| | - Leonid K Kurbatov
- Orekhovich Research Institute of Biomedical Chemistry, Pogodinskaya 10/8, 119991 Moscow, Russia
| | - Andrey A Zamyatnin
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Trubetskaya 8/2, 119991 Moscow, Russia
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Leninskie Gory 1/73, 119234 Moscow, Russia
- Belozersky Research Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1/40, 119992 Moscow, Russia
- Scientific Center for Translation Medicine, Sirius University of Science and Technology, 1 Olympic Ave, 354340 Sochi, Russia
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7
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Investigational Microbiological Therapy for Glioma. Cancers (Basel) 2022; 14:cancers14235977. [PMID: 36497459 PMCID: PMC9736089 DOI: 10.3390/cancers14235977] [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: 10/09/2022] [Revised: 11/27/2022] [Accepted: 11/29/2022] [Indexed: 12/07/2022] Open
Abstract
Glioma is the most common primary malignancy of the central nervous system (CNS), and 50% of patients present with glioblastoma (GBM), which is the most aggressive type. Currently, the most popular therapies are progressive chemotherapy and treatment with temozolomide (TMZ), but the median survival of glioma patients is still low as a result of the emergence of drug resistance, so we urgently need to find new therapies. A growing number of studies have shown that the diversity, bioactivity, and manipulability of microorganisms make microbial therapy a promising approach for cancer treatment. However, the many studies on the research progress of microorganisms and their derivatives in the development and treatment of glioma are scattered, and nobody has yet provided a comprehensive summary of them. Therefore, in this paper, we review the research progress of microorganisms and their derivatives in the development and treatment of glioma and conclude that it is possible to treat glioma by exogenous microbial therapies and targeting the gut-brain axis. In this article, we discuss the prospects and pressing issues relating to these therapies with the aim of providing new ideas for the treatment of glioma.
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8
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Garbacz K. Anticancer activity of lactic acid bacteria. Semin Cancer Biol 2022; 86:356-366. [PMID: 34995799 DOI: 10.1016/j.semcancer.2021.12.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/29/2021] [Accepted: 12/30/2021] [Indexed: 01/27/2023]
Abstract
Lactic acid bacteria (LAB), a group of Gram-positive microorganisms naturally occurring in fermented food products and used as probiotics, have been gaining the interest of researchers for years. LAB are potent, albeit still not wholly understood, source of bioactive compounds with various functions and activity. Metabolites of LAB, among others, short-chain fatty acids, exopolysaccharides and bacteriocins have promising anticancer potential. Research on the interactions between the bioactive metabolites of LAB and immune mechanisms demonstrated that these substances could exert a strong immunomodulatory effect, which would explain their vast therapeutic potential. The anticancer activity of LAB was confirmed both in vitro and in animal models against cancer cells from various malignancies. LAB inhibit tumor growth through various mechanisms, including antiproliferative activity, induction of apoptosis, cell cycle arrest, as well as through antimutagenic, antiangiogenic and anti-inflammatory effects. The aim of this review was to summarize the most recent data about the anticancer activity of LAB, with particular emphasis on the most promising bioactive compounds with potential clinical application.
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Affiliation(s)
- Katarzyna Garbacz
- Department of Oral Microbiology, Medical Faculty, Medical University of Gdansk, 25 Dębowa Str., 80-204, Gdansk, Poland.
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9
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Diwan D, Cheng L, Usmani Z, Sharma M, Holden N, Willoughby N, Sangwan N, Baadhe RR, Liu C, Gupta VK. Microbial cancer therapeutics: A promising approach. Semin Cancer Biol 2022; 86:931-950. [PMID: 33979677 DOI: 10.1016/j.semcancer.2021.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/24/2021] [Accepted: 05/04/2021] [Indexed: 01/27/2023]
Abstract
The success of conventional cancer therapeutics is hindered by associated dreadful side-effects of antibiotic resistance and the dearth of antitumor drugs' selectivity and specificity. Hence, the conceptual evolution of anti-cancerous therapeutic agents that selectively target cancer cells without impacting the healthy cells or tissues, has led to a new wave of scientific interest in microbial-derived bioactive molecules. Such strategic solutions may pave the way to surmount the shortcomings of conventional therapies and raise the potential and hope for the cure of wide range of cancer in a selective manner. This review aims to provide a comprehensive summary of anti-carcinogenic properties and underlying mechanisms of bioactive molecules of microbial origin, and discuss the current challenges and effective therapeutic application of combinatorial strategies to attain minimal systemic side-effects.
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Affiliation(s)
- Deepti Diwan
- Washington University, School of Medicine, Saint Louis, MO, USA
| | - Lei Cheng
- Department of Pulmonary, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 230032, China
| | - Zeba Usmani
- Department of Chemistry and Biotechnology, Tallinn University of Technology, 12618, Tallinn, Estonia
| | - Minaxi Sharma
- Department of Food Technology, Akal College of Agriculture, Eternal University, Baru Sahib, Himachal Pradesh, 173101, India
| | - Nicola Holden
- Centre for Safe and Improved Food, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK
| | - Nicholas Willoughby
- Institute of Biological Chemistry, Biophysics and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK
| | - Neelam Sangwan
- Department of Biochemistry, Central University of Haryana, Mahendergarh, Haryana, 123031, India
| | - Rama Raju Baadhe
- Department of Biotechnology, National Institute of Technology, Warangal, Telangana, 506004, India
| | - Chenchen Liu
- Department of Gastric Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Vijai Kumar Gupta
- Centre for Safe and Improved Food, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK; Biorefining and Advanced Materials Research Center, Scotland's Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK.
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10
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Recent Advances in Bacteria-Based Cancer Treatment. Cancers (Basel) 2022; 14:cancers14194945. [PMID: 36230868 PMCID: PMC9563255 DOI: 10.3390/cancers14194945] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Cancer refers to a disease involving abnormal cells that proliferate uncontrollably and can invade normal body tissue. It was estimated that at least 9 million patients are killed by cancer annually. Recent studies have demonstrated that bacteria play a significant role in cancer treatment and prevention. Owing to its unique mechanism of abundant pathogen-associated molecular patterns in antitumor immune responses and preferentially accumulating and proliferating within tumors, bacteria-based cancer immunotherapy has recently attracted wide attention. We aim to illustrate that naïve bacteria and their components can serve as robust theranostic agents for cancer eradication. In addition, we summarize the recent advances in efficient antitumor treatments by genetically engineering bacteria and bacteria-based nanoparticles. Further, possible future perspectives in bacteria-based cancer immunotherapy are also inspected. Abstract Owing to its unique mechanism of abundant pathogen-associated molecular patterns in antitumor immune responses, bacteria-based cancer immunotherapy has recently attracted wide attention. Compared to traditional cancer treatments such as surgery, chemotherapy, radiotherapy, and phototherapy, bacteria-based cancer immunotherapy exhibits the versatile capabilities for suppressing cancer thanks to its preferentially accumulating and proliferating within tumors. In particular, bacteria have demonstrated their anticancer effect through the toxins, and other active components from the cell membrane, cell wall, and dormant spores. More importantly, the design of engineering bacteria with detoxification and specificity is essential for the efficacy of bacteria-based cancer therapeutics. Meanwhile, bacteria can deliver the cytokines, antibody, and other anticancer theranostic nanoparticles to tumor microenvironments by regulating the expression of the bacterial genes or chemical and physical loading. In this review, we illustrate that naïve bacteria and their components can serve as robust theranostic agents for cancer eradication. In addition, we summarize the recent advances in efficient antitumor treatments by genetically engineering bacteria and bacteria-based nanoparticles. Further, possible future perspectives in bacteria-based cancer immunotherapy are also inspected.
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11
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Safrhansova L, Hlozkova K, Starkova J. Targeting amino acid metabolism in cancer. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 373:37-79. [PMID: 36283767 DOI: 10.1016/bs.ircmb.2022.08.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Metabolic rewiring is a characteristic hallmark of cancer cells. This phenomenon sustains uncontrolled proliferation and resistance to apoptosis by increasing nutrients and energy supply. However, reprogramming comes together with vulnerabilities that can be used against tumor and can be applied in targeted therapy. In the last years, the genetic background of tumors has been identified thoroughly and new therapies targeting those mutations tested. Nevertheless, we propose that targeting the phenotype of cancer cells could be another way of treatment aiming to avoid drug resistance and non-responsiveness of cancer patients. Amino acid metabolism is part of the altered processes in cancer cells. Amino acids are building blocks and also sensors of signaling pathways regulating main biological processes. In this comprehensive review, we described four amino acids (asparagine, arginine, methionine, and cysteine) which have been actively investigated as potential targets for anti-tumor therapy. Asparagine depletion is successfully used for decades in the treatment of acute lymphoblastic leukemia and there is a strong implication to apply it to other types of tumors. Arginine auxotrophic tumors are great candidates for arginine-starvation therapy. Higher requirement for essential amino acids such as methionine and cysteine point out promising targetable weaknesses of cancer cells.
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Affiliation(s)
- Lucie Safrhansova
- CLIP - Childhood Leukaemia Investigation Prague, Prague, Czech Republic; Dept. of Pediatric Hematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Katerina Hlozkova
- CLIP - Childhood Leukaemia Investigation Prague, Prague, Czech Republic; Dept. of Pediatric Hematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Julia Starkova
- CLIP - Childhood Leukaemia Investigation Prague, Prague, Czech Republic; Dept. of Pediatric Hematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic; University Hospital Motol, Prague, Czech Republic.
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12
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Hou X, Chen S, Zhang P, Guo D, Wang B. Targeted Arginine Metabolism Therapy: A Dilemma in Glioma Treatment. Front Oncol 2022; 12:938847. [PMID: 35898872 PMCID: PMC9313538 DOI: 10.3389/fonc.2022.938847] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 06/20/2022] [Indexed: 11/29/2022] Open
Abstract
Efforts in the treatment of glioma which is the most common primary malignant tumor of the central nervous system, have not shown satisfactory results despite a comprehensive treatment model that combines various treatment methods, including immunotherapy. Cellular metabolism is a determinant of the viability and function of cancer cells as well as immune cells, and the interplay of immune regulation and metabolic reprogramming in tumors has become an active area of research in recent years. From the perspective of metabolism and immunity in the glioma microenvironment, we elaborated on arginine metabolic reprogramming in glioma cells, which leads to a decrease in arginine levels in the tumor microenvironment. Reduced arginine availability significantly inhibits the proliferation, activation, and function of T cells, thereby promoting the establishment of an immunosuppressive microenvironment. Therefore, replenishment of arginine levels to enhance the anti-tumor activity of T cells is a promising strategy for the treatment of glioma. However, due to the lack of expression of argininosuccinate synthase, gliomas are unable to synthesize arginine; thus, they are highly dependent on the availability of arginine in the extracellular environment. This metabolic weakness of glioma has been utilized by researchers to develop arginine deprivation therapy, which ‘starves’ tumor cells by consuming large amounts of arginine in circulation. Although it has shown good results, this treatment modality that targets arginine metabolism in glioma is controversial. Exploiting a suitable strategy that can not only enhance the antitumor immune response, but also “starve” tumor cells by regulating arginine metabolism to cure glioma will be promising.
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Riess C, del Moral K, Fiebig A, Kaps P, Linke C, Hinz B, Rupprecht A, Frank M, Fiedler T, Koczan D, Troschke-Meurer S, Lode HN, Engel N, Freitag T, Classen CF, Maletzki C. Implementation of a combined CDK inhibition and arginine-deprivation approach to target arginine-auxotrophic glioblastoma multiforme cells. Cell Death Dis 2022; 13:555. [PMID: 35717443 PMCID: PMC9206658 DOI: 10.1038/s41419-022-05006-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 05/18/2022] [Accepted: 06/08/2022] [Indexed: 01/21/2023]
Abstract
Constitutive activation of cyclin-dependent kinases (CDKs) or arginine auxotrophy are hallmarks of Glioblastoma multiforme (GBM). The latter metabolic defect renders tumor cells vulnerable to arginine-depleting substances, such as arginine deiminase from Streptococcus pyogenes (SpyADI). Previously, we confirmed the susceptibility of patient-derived GBM cells towards SpyADI as well as CDK inhibitors (CDKis). To improve therapeutic effects, we here applied a combined approach based on SpyADI and CDKis (dinaciclib, abemaciclib). Three arginine-auxotrophic patient-derived GBM lines with different molecular characteristics were cultured in 2D and 3D and effects of this combined SpyADI/CDKi approach were analyzed in-depth. All CDKi/SpyADI combinations yielded synergistic antitumoral effects, especially when given sequentially (SEQ), i.e., CDKi in first-line and most pronounced in the 3D models. SEQ application demonstrated impaired cell proliferation, invasiveness, and viability. Mitochondrial impairment was demonstrated by increasing mitochondrial membrane potential and decreasing oxygen consumption rate and extracellular acidification rate after SpyADI/abemaciclib monotherapy or its combination regimens. The combined treatment even induced autophagy in target cells (abemaciclib/SpyADI > dinaciclib/SpyADI). By contrast, the unfolded protein response and p53/p21 induced senescence played a minor role. Transmission electron microscopy confirmed damaged mitochondria and endoplasmic reticulum together with increased vacuolization under CDKi mono- and combination therapy. SEQ-abemaciclib/SpyADI treatment suppressed the DSB repair system via NHEJ and HR, whereas SEQ-dinaciclib/SpyADI treatment increased γ-H2AX accumulation and induced Rad51/Ku80. The latter combination also activated the stress sensor GADD45 and β-catenin antagonist AXIN2 and induced expression changes of genes involved in cellular/cytoskeletal integrity. This study highlights the strong antitumoral potential of a combined arginine deprivation and CDK inhibition approach via complex effects on mitochondrial dysfunction, invasiveness as well as DNA-damage response. This provides a good starting point for further in vitro and in vivo proof-of-concept studies to move forward with this strategy.
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Affiliation(s)
- Christin Riess
- grid.413108.f0000 0000 9737 0454University Children’s Hospital, Rostock University Medical Center, Ernst-Heydemann-Straße 8, 18057 Rostock, Germany ,grid.413108.f0000 0000 9737 0454Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Straße 6, 18057 Rostock, Germany
| | - Katharina del Moral
- grid.413108.f0000 0000 9737 0454University Children’s Hospital, Rostock University Medical Center, Ernst-Heydemann-Straße 8, 18057 Rostock, Germany
| | - Adina Fiebig
- grid.413108.f0000 0000 9737 0454Institute for Medical Microbiology, Virology, and Hygiene, Rostock University Medical Center, Schillingallee 70, 18057 Rostock, Germany
| | - Philipp Kaps
- grid.413108.f0000 0000 9737 0454University Children’s Hospital, Rostock University Medical Center, Ernst-Heydemann-Straße 8, 18057 Rostock, Germany ,grid.413108.f0000 0000 9737 0454Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Straße 6, 18057 Rostock, Germany ,grid.413108.f0000 0000 9737 0454Institute for Medical Microbiology, Virology, and Hygiene, Rostock University Medical Center, Schillingallee 70, 18057 Rostock, Germany
| | - Charlotte Linke
- grid.413108.f0000 0000 9737 0454University Children’s Hospital, Rostock University Medical Center, Ernst-Heydemann-Straße 8, 18057 Rostock, Germany
| | - Burkhard Hinz
- grid.413108.f0000 0000 9737 0454Institute for Pharmacology and Toxicology, Rostock University Medical Center, Schillingallee 70, 18057 Rostock, Germany
| | - Anne Rupprecht
- grid.413108.f0000 0000 9737 0454Institute for Pharmacology and Toxicology, Rostock University Medical Center, Schillingallee 70, 18057 Rostock, Germany
| | - Marcus Frank
- grid.413108.f0000 0000 9737 0454Medical Biology and Electron Microscopy Center, Rostock University Medical Center, Rostock, Germany ,grid.10493.3f0000000121858338Department of Life, Light & Matter, University of Rostock, Rostock, Germany
| | - Tomas Fiedler
- grid.413108.f0000 0000 9737 0454Institute for Medical Microbiology, Virology, and Hygiene, Rostock University Medical Center, Schillingallee 70, 18057 Rostock, Germany
| | - Dirk Koczan
- grid.10493.3f0000000121858338Institute for Immunology, University of Rostock, 18055 Rostock, Germany
| | - Sascha Troschke-Meurer
- grid.5603.0Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse, 17475 Greifswald, Germany
| | - Holger N. Lode
- grid.5603.0Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse, 17475 Greifswald, Germany
| | - Nadja Engel
- grid.413108.f0000 0000 9737 0454Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Rostock, Germany
| | - Thomas Freitag
- grid.413108.f0000 0000 9737 0454Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Straße 6, 18057 Rostock, Germany
| | - Carl Friedrich Classen
- grid.413108.f0000 0000 9737 0454University Children’s Hospital, Rostock University Medical Center, Ernst-Heydemann-Straße 8, 18057 Rostock, Germany
| | - Claudia Maletzki
- grid.413108.f0000 0000 9737 0454Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Straße 6, 18057 Rostock, Germany
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Bacteria therapeutics for cancer oncology: a crossroads for new paradigms. Drug Discov Today 2022; 27:2043-2050. [PMID: 35304339 DOI: 10.1016/j.drudis.2022.03.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 11/05/2021] [Accepted: 03/11/2022] [Indexed: 12/23/2022]
Abstract
A promising treatment for cancer remains challenging owing to insufficient tumor targeting and predictable resistance. Current therapies have their drawbacks and there is a need for innovative treatment that can overcome all the limitations with the traditional approaches. One of the novel treatments is bacteria-mediated cancer therapy, which has shown a beneficial impact on tumor regression and metastasis inhibition. It can selectively target cancer cells and potentially serve as a therapeutic-gene-drug delivery approach. In their original form, genetically or chemically modified, or combined with conventional therapeutic approaches, bacteria produce safe and effective cancer with minimized cytotoxicity. This review discusses the key benefits, applicability and further implementations in the clinical translation of bacteriotherapy for cancer treatments.
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15
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Fan K, Liu Z, Gao M, Tu K, Xu Q, Zhang Y. Targeting Nutrient Dependency in Cancer Treatment. Front Oncol 2022; 12:820173. [PMID: 35178349 PMCID: PMC8846368 DOI: 10.3389/fonc.2022.820173] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/11/2022] [Indexed: 12/13/2022] Open
Abstract
Metabolic reprogramming is one of the hallmarks of tumor. Growing evidence suggests metabolic changes that support oncogenic progression may cause selective vulnerabilities that can be exploited for cancer treatment. Increasing demands for certain nutrients under genetic determination or environmental challenge enhance dependency of tumor cells on specific nutrient, which could be therapeutically developed through targeting such nutrient dependency. Various nutrients including several amino acids and glucose have been found to induce dependency in genetic alteration- or context-dependent manners. In this review, we discuss the extensively studied nutrient dependency and the biological mechanisms behind such vulnerabilities. Besides, existing applications and strategies to target nutrient dependency in different cancer types, accompanied with remaining challenges to further exploit these metabolic vulnerabilities to improve cancer therapies, are reviewed.
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Affiliation(s)
- Kexin Fan
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Zhan Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Second Medical College, Karamay, China
| | - Min Gao
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Kangsheng Tu
- Department of Hepatobiliary Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Qiuran Xu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, China.,Research Center of Diagnosis and Treatment Technology for Hepatocellular Carcinoma of Zhejiang Province, Hangzhou, China
| | - Yilei Zhang
- The Institute of Molecular and Translational Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
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16
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Sekar P, Ravitchandirane R, Khanam S, Muniraj N, Cassinadane AV. Novel molecules as the emerging trends in cancer treatment: an update. Med Oncol 2022; 39:20. [PMID: 34982273 DOI: 10.1007/s12032-021-01615-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/19/2021] [Indexed: 12/15/2022]
Abstract
As per World Health Organization cancer remains as a leading killer disease causing nearly 10 million deaths in 2020. Since the burden of cancer increases worldwide, warranting an urgent search for anti-cancer compounds from natural sources. Secondary metabolites from plants, marine organisms exhibit a novel chemical and structural diversity holding a great promise as therapeutics in cancer treatment. These natural metabolites target only the cancer cells and the normal healthy cells are left unharmed. In the emerging trends of cancer treatment, the natural bioactive compounds have long become a part of cancer chemotherapy. In this review, we have tried to compile about eight bioactive compounds from plant origin viz. combretastatin, ginsenoside, lycopene, quercetin, resveratrol, silymarin, sulforaphane and withaferin A, four marine-derived compounds viz. bryostatins, dolastatins, eribulin, plitidepsin and three microorganisms viz. Clostridium, Mycobacterium bovis and Streptococcus pyogenes with their well-established anticancer potential, mechanism of action and clinical establishments are presented.
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Affiliation(s)
- Priyanka Sekar
- Sri Venkateshwaraa Medical College Hospital and Research Centre, Pondicherry, 605102, India
| | | | - Sofia Khanam
- Calcutta Institute of Pharmaceutical Technology and Allied Health Sciences, Howrah, WB, 711316, India
| | - Nethaji Muniraj
- Centre for Cancer Immunology Research, Children's National Hospital, Children's National Research Institute, 111 Michigan Ave NW, Washington, D.C, 20010, USA.
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17
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Schwarz R, Zitzow E, Fiebig A, Hering S, Humboldt Y, Schoenwaelder N, Kämpfer N, Volkmar K, Hinz B, Kreikemeyer B, Maletzki C, Fiedler T. PEGylation increases antitumoral activity of arginine deiminase of Streptococcus pyogenes. Appl Microbiol Biotechnol 2021; 106:261-271. [PMID: 34910240 PMCID: PMC8720082 DOI: 10.1007/s00253-021-11728-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/30/2021] [Accepted: 12/03/2021] [Indexed: 12/04/2022]
Abstract
Abstract Arginine auxotrophy is a metabolic defect that renders tumor cells vulnerable towards arginine-depleting substances, such as arginine deiminase (ADI) from Streptococcus pyogenes (SpyADI). Previously, we confirmed SpyADI susceptibility on patient-derived glioblastoma multiforme (GBM) models in vitro and in vivo. For application in patients, serum half-life of the enzyme has to be increased and immunogenicity needs to be reduced. For this purpose, we conjugated the S. pyogenes-derived SpyADI with 20 kDa polyethylene glycol (PEG20) moieties, achieving a PEGylation of seven to eight of the 26 accessible primary amines of the SpyADI. The PEGylation reduced the overall activity of the enzyme by about 50% without affecting the Michaelis constant for arginine. PEGylation did not increase serum stability of SpyADI in vitro, but led to a longer-lasting reduction of plasma arginine levels in mice. Furthermore, SpyADI-PEG20 showed a higher antitumoral capacity towards GBM cells in vitro than the native enzyme. Key points • PEGylation has no effect on the affinity of SpyADI for arginine • PEGylation increases the antitumoral effects of SpyADI on GBM in vitro • PEGylation prolongs plasma arginine depletion by SpyADI in mice
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Affiliation(s)
- Rico Schwarz
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Eric Zitzow
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Adina Fiebig
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Silvio Hering
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Yvonne Humboldt
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Nina Schoenwaelder
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany.,Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Str. 6, 18057, Rostock, Germany
| | - Neele Kämpfer
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany.,Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Str. 6, 18057, Rostock, Germany
| | - Kerren Volkmar
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany.,Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Str. 6, 18057, Rostock, Germany.,Division of Immunology, Paul-Ehrlich-Institute, Langen, Germany
| | - Burkhard Hinz
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Bernd Kreikemeyer
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany
| | - Claudia Maletzki
- Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Ernst-Heydemann-Str. 6, 18057, Rostock, Germany
| | - Tomas Fiedler
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Medical Centre, Schillingallee 70, 18057, Rostock, Germany.
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18
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Khatun S, Appidi T, Rengan AK. The role played by bacterial infections in the onset and metastasis of cancer. CURRENT RESEARCH IN MICROBIAL SCIENCES 2021; 2:100078. [PMID: 34841367 PMCID: PMC8610348 DOI: 10.1016/j.crmicr.2021.100078] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 10/04/2021] [Accepted: 10/24/2021] [Indexed: 02/09/2023] Open
Abstract
Understanding various responses of cells towards change in their external environment, presence of other species and is important in identifying and correlating the mechanisms leading to malignant transformations and cancer development. Although uncovering and comprehending the association between bacteria and cancer is highly challenging, it promises excellent perspectives and approaches for successful cancer therapy. This review introduces various bacterial species, their virulence factors, and their role in cell transformations leading to cancer (particularly gastric, oral, colon, and breast cancer). Bacterial dysbiosis permutates host cells, causes inflammation, and results in tumorigenesis. This review explored bacterial-mediated host cell transformation causing chronic inflammation, immune receptor hyperactivation/absconding immune recognition, and genomic instability. Bacterial infections downregulate E-cadherin, leading to loosening of epithelial tight junction polarity and triggers metastasis. In addition to understanding the role of bacterial infections in cancer development, we have also reviewed the application of bacteria for cancer therapy. The emergence of bacteriotherapy combined with conventional therapies led to new and effective ways of overcoming challenges associated with available treatments. This review discusses the application of bacterial minicells, microswimmers, and outer cell membrane vesicles (OMV) for drug delivery applications.
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Affiliation(s)
- Sajmina Khatun
- Department of Biomedical Engineering, IIT Hyderabad, Kandi, Sangareddy 502284, Telangana, India
| | - Tejaswini Appidi
- Department of Biomedical Engineering, IIT Hyderabad, Kandi, Sangareddy 502284, Telangana, India
| | - Aravind Kumar Rengan
- Department of Biomedical Engineering, IIT Hyderabad, Kandi, Sangareddy 502284, Telangana, India
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19
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Wu C, You M, Nguyen D, Wangpaichitr M, Li YY, Feun LG, Kuo MT, Savaraj N. Enhancing the Effect of Tumor Necrosis Factor-Related Apoptosis-Inducing Ligand Signaling and Arginine Deprivation in Melanoma. Int J Mol Sci 2021; 22:ijms22147628. [PMID: 34299249 PMCID: PMC8306073 DOI: 10.3390/ijms22147628] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 12/29/2022] Open
Abstract
Melanoma as a very aggressive type of cancer is still in urgent need of improved treatment. Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and arginine deiminase (ADI-PEG20) are two of many suggested drugs for treating melanoma. Both have shown anti-tumor activities without harming normal cells. However, resistance to both drugs has also been noted. Studies on the mechanism of action of and resistance to these drugs provide multiple targets that can be utilized to increase the efficacy and overcome the resistance. As a result, combination strategies have been proposed for these drug candidates with various other agents, and achieved enhanced or synergistic anti-tumor effect. The combination of TRAIL and ADI-PEG20 as one example can greatly enhance the cytotoxicity to melanoma cells including those resistant to the single component of this combination. It is found that combination treatment generally can alter the expression of the components of cell signaling in melanoma cells to favor cell death. In this paper, the signaling of TRAIL and ADI-PEG20-induced arginine deprivation including the main mechanism of resistance to these drugs and exemplary combination strategies is discussed. Finally, factors hampering the clinical application of both drugs, current and future development to overcome these hurdles are briefly discussed.
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Affiliation(s)
- Chunjing Wu
- Department of Veterans Affairs, Miami VA Healthcare System, Research Service, Miami, FL 33125, USA; (C.W.); (M.W.); (Y.-Y.L.)
| | - Min You
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (M.Y.); (D.N.); (L.G.F.)
| | - Dao Nguyen
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (M.Y.); (D.N.); (L.G.F.)
- Department of Surgery, Cardiothoracic Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Medhi Wangpaichitr
- Department of Veterans Affairs, Miami VA Healthcare System, Research Service, Miami, FL 33125, USA; (C.W.); (M.W.); (Y.-Y.L.)
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (M.Y.); (D.N.); (L.G.F.)
- Department of Surgery, Cardiothoracic Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Ying-Ying Li
- Department of Veterans Affairs, Miami VA Healthcare System, Research Service, Miami, FL 33125, USA; (C.W.); (M.W.); (Y.-Y.L.)
| | - Lynn G. Feun
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (M.Y.); (D.N.); (L.G.F.)
- Department of Medicine, Hematology/Oncology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Macus T. Kuo
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Niramol Savaraj
- Department of Veterans Affairs, Miami VA Healthcare System, Research Service, Miami, FL 33125, USA; (C.W.); (M.W.); (Y.-Y.L.)
- Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; (M.Y.); (D.N.); (L.G.F.)
- Department of Medicine, Hematology/Oncology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Correspondence: ; Tel.: +1-305-575-3143; Fax: +1-305-575-3375
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20
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Butler M, van der Meer LT, van Leeuwen FN. Amino Acid Depletion Therapies: Starving Cancer Cells to Death. Trends Endocrinol Metab 2021; 32:367-381. [PMID: 33795176 DOI: 10.1016/j.tem.2021.03.003] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/25/2021] [Accepted: 03/09/2021] [Indexed: 01/01/2023]
Abstract
Targeting tumor cell metabolism is an attractive form of therapy, as it may enhance treatment response in therapy resistant cancers as well as mitigate treatment-related toxicities by reducing the need for genotoxic agents. To meet their increased demand for biomass accumulation and energy production and to maintain redox homeostasis, tumor cells undergo profound changes in their metabolism. In addition to the diversion of glucose metabolism, this is achieved by upregulation of amino acid metabolism. Interfering with amino acid availability can be selectively lethal to tumor cells and has proven to be a cancer specific Achilles' heel. Here we review the biology behind such cancer specific amino acid dependencies and discuss how these vulnerabilities can be exploited to improve cancer therapies.
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Affiliation(s)
- Miriam Butler
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands; Laboratory of Pediatric Oncology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
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21
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Crump NT, Hadjinicolaou AV, Xia M, Walsby-Tickle J, Gileadi U, Chen JL, Setshedi M, Olsen LR, Lau IJ, Godfrey L, Quek L, Yu Z, Ballabio E, Barnkob MB, Napolitani G, Salio M, Koohy H, Kessler BM, Taylor S, Vyas P, McCullagh JSO, Milne TA, Cerundolo V. Chromatin accessibility governs the differential response of cancer and T cells to arginine starvation. Cell Rep 2021; 35:109101. [PMID: 33979616 PMCID: PMC8131582 DOI: 10.1016/j.celrep.2021.109101] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 03/01/2021] [Accepted: 04/16/2021] [Indexed: 12/20/2022] Open
Abstract
Depleting the microenvironment of important nutrients such as arginine is a key strategy for immune evasion by cancer cells. Many tumors overexpress arginase, but it is unclear how these cancers, but not T cells, tolerate arginine depletion. In this study, we show that tumor cells synthesize arginine from citrulline by upregulating argininosuccinate synthetase 1 (ASS1). Under arginine starvation, ASS1 transcription is induced by ATF4 and CEBPβ binding to an enhancer within ASS1. T cells cannot induce ASS1, despite the presence of active ATF4 and CEBPβ, as the gene is repressed. Arginine starvation drives global chromatin compaction and repressive histone methylation, which disrupts ATF4/CEBPβ binding and target gene transcription. We find that T cell activation is impaired in arginine-depleted conditions, with significant metabolic perturbation linked to incomplete chromatin remodeling and misregulation of key genes. Our results highlight a T cell behavior mediated by nutritional stress, exploited by cancer cells to enable pathological immune evasion.
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Affiliation(s)
- Nicholas T Crump
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Oxford Biomedical Research Centre Haematology Theme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Andreas V Hadjinicolaou
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Meng Xia
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - John Walsby-Tickle
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
| | - Uzi Gileadi
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Ji-Li Chen
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Mashiko Setshedi
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Lars R Olsen
- Section for Bioinformatics, DTU Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - I-Jun Lau
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Oxford Biomedical Research Centre Haematology Theme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Laura Godfrey
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Oxford Biomedical Research Centre Haematology Theme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Lynn Quek
- School of Cancer and Pharmaceutical Sciences, King's College London, SGDP Centre, Memory Lane, London SE5 8AF, UK
| | - Zhanru Yu
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK
| | - Erica Ballabio
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Oxford Biomedical Research Centre Haematology Theme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Mike B Barnkob
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Giorgio Napolitani
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Mariolina Salio
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Hashem Koohy
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Benedikt M Kessler
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK
| | - Stephen Taylor
- MRC WIMM Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Paresh Vyas
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Oxford Biomedical Research Centre Haematology Theme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - James S O McCullagh
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
| | - Thomas A Milne
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Oxford Biomedical Research Centre Haematology Theme, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DS, UK.
| | - Vincenzo Cerundolo
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
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22
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Kuo MT, Chen HHW, Feun LG, Savaraj N. Targeting the Proline-Glutamine-Asparagine-Arginine Metabolic Axis in Amino Acid Starvation Cancer Therapy. Pharmaceuticals (Basel) 2021; 14:ph14010072. [PMID: 33477430 PMCID: PMC7830038 DOI: 10.3390/ph14010072] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/14/2021] [Accepted: 01/15/2021] [Indexed: 12/22/2022] Open
Abstract
Proline, glutamine, asparagine, and arginine are conditionally non-essential amino acids that can be produced in our body. However, they are essential for the growth of highly proliferative cells such as cancers. Many cancers express reduced levels of these amino acids and thus require import from the environment. Meanwhile, the biosynthesis of these amino acids is inter-connected but can be intervened individually through the inhibition of key enzymes of the biosynthesis of these amino acids, resulting in amino acid starvation and cell death. Amino acid starvation strategies have been in various stages of clinical applications. Targeting asparagine using asparaginase has been approved for treating acute lymphoblastic leukemia. Targeting glutamine and arginine starvations are in various stages of clinical trials, and targeting proline starvation is in preclinical development. The most important obstacle of these therapies is drug resistance, which is mostly due to reactivation of the key enzymes involved in biosynthesis of the targeted amino acids and reprogramming of compensatory survival pathways via transcriptional, epigenetic, and post-translational mechanisms. Here, we review the interactive regulatory mechanisms that control cellular levels of these amino acids for amino acid starvation therapy and how drug resistance is evolved underlying treatment failure.
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Affiliation(s)
- Macus Tien Kuo
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Correspondence:
| | - Helen H. W. Chen
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan;
| | - Lynn G. Feun
- Department of Medicine, Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA;
| | - Niramol Savaraj
- Division of Hematology and Oncology, Miami Veterans Affairs Heaithcare System, Miami, FL 33136, USA;
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23
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Bryant JP, Heiss J, Banasavadi-Siddegowda YK. Arginine Methylation in Brain Tumors: Tumor Biology and Therapeutic Strategies. Cells 2021; 10:cells10010124. [PMID: 33440687 PMCID: PMC7827394 DOI: 10.3390/cells10010124] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/05/2021] [Accepted: 01/05/2021] [Indexed: 12/12/2022] Open
Abstract
Protein arginine methylation is a common post-translational modification that plays a pivotal role in cellular regulation. Protein arginine methyltransferases (PRMTs) catalyze the modification of target proteins by adding methyl groups to the guanidino nitrogen atoms of arginine residues. Protein arginine methylation takes part in epigenetic and cellular regulation and has been linked to neurodegenerative diseases, metabolic diseases, and tumor progression. Aberrant expression of PRMTs is associated with the development of brain tumors such as glioblastoma and medulloblastoma. Identifying PRMTs as plausible contributors to tumorigenesis has led to preclinical and clinical investigations of PRMT inhibitors for glioblastoma and medulloblastoma therapy. In this review, we discuss the role of arginine methylation in cancer biology and provide an update on the use of small molecule inhibitors of PRMTs to treat glioblastoma, medulloblastoma, and other cancers.
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24
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Sawant SS, Patil SM, Gupta V, Kunda NK. Microbes as Medicines: Harnessing the Power of Bacteria in Advancing Cancer Treatment. Int J Mol Sci 2020; 21:ijms21207575. [PMID: 33066447 PMCID: PMC7589870 DOI: 10.3390/ijms21207575] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/10/2020] [Accepted: 10/11/2020] [Indexed: 02/06/2023] Open
Abstract
Conventional anti-cancer therapy involves the use of chemical chemotherapeutics and radiation and are often non-specific in action. The development of drug resistance and the inability of the drug to penetrate the tumor cells has been a major pitfall in current treatment. This has led to the investigation of alternative anti-tumor therapeutics possessing greater specificity and efficacy. There is a significant interest in exploring the use of microbes as potential anti-cancer medicines. The inherent tropism of the bacteria for hypoxic tumor environment and its ability to be genetically engineered as a vector for gene and drug therapy has led to the development of bacteria as a potential weapon against cancer. In this review, we will introduce bacterial anti-cancer therapy with an emphasis on the various mechanisms involved in tumor targeting and tumor suppression. The bacteriotherapy approaches in conjunction with the conventional cancer therapy can be effective in designing novel cancer therapies. We focus on the current progress achieved in bacterial cancer therapies that show potential in advancing existing cancer treatment options and help attain positive clinical outcomes with minimal systemic side-effects.
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25
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Combinatory Treatment of Canavanine and Arginine Deprivation Efficiently Targets Human Glioblastoma Cells via Pleiotropic Mechanisms. Cells 2020; 9:cells9102217. [PMID: 33008000 PMCID: PMC7600648 DOI: 10.3390/cells9102217] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 12/20/2022] Open
Abstract
Glioblastomas are the most frequent and aggressive form of primary brain tumors with no efficient cure. However, they often exhibit specific metabolic shifts that include deficiency in the biosynthesis of and dependence on certain exogenous amino acids. Here, we evaluated, in vitro, a novel combinatory antiglioblastoma approach based on arginine deprivation and canavanine, an arginine analogue of plant origin, using two human glioblastoma cell models, U251MG and U87MG. The combinatory treatment profoundly affected cell viability, morphology, motility and adhesion, destabilizing the cytoskeleton and mitochondrial network, and induced apoptotic cell death. Importantly, the effects were selective toward glioblastoma cells, as they were not pronounced for primary rat glial cells. At the molecular level, canavanine inhibited prosurvival kinases such as FAK, Akt and AMPK. Its effects on protein synthesis and stress response pathways were more complex and dependent on exposure time. We directly observed canavanine incorporation into nascent proteins by using quantitative proteomics. Although canavanine in the absence of arginine readily incorporated into polypeptides, no motif preference for such incorporation was observed. Our findings provide a strong rationale for further developing the proposed modality based on canavanine and arginine deprivation as a potential antiglioblastoma metabolic therapy independent of the blood-brain barrier.
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26
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Baindara P, Mandal SM. Bacteria and bacterial anticancer agents as a promising alternative for cancer therapeutics. Biochimie 2020; 177:164-189. [PMID: 32827604 DOI: 10.1016/j.biochi.2020.07.020] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/04/2020] [Accepted: 07/31/2020] [Indexed: 12/20/2022]
Abstract
Cancer is the leading cause of deaths worldwide, though significant advances have occurred in its diagnosis and treatment. The development of resistance against chemotherapeutic agents, their side effects, and non-specific toxicity urge to screen for the novel anticancer agent. Hence, the development of novel anticancer agents with a new mechanism of action has become a major scientific challenge. Bacteria and bacterially produced bioactive compounds have recently emerged as a promising alternative for cancer therapeutics. Bacterial anticancer agents such as antibiotics, bacteriocins, non-ribosomal peptides, polyketides, toxins, etc. These are adopted different mechanisms of actions such as apoptosis, necrosis, reduced angiogenesis, inhibition of translation and splicing, and obstructing essential signaling pathways to kill cancer cells. Also, live tumor-targeting bacteria provided a unique therapeutic alternative for cancer treatment. This review summarizes the anticancer properties and mechanism of actions of the anticancer agents of bacterial origin and antitumor bacteria along with their possible future applications in cancer therapeutics.
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Affiliation(s)
- Piyush Baindara
- Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, 65212, USA.
| | - Santi M Mandal
- Central Research Facility, Indian Institute of Technology Kharagpur, Kharagpur, 721302, WB, India.
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27
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Yaghoubi A, Khazaei M, Jalili S, Hasanian SM, Avan A, Soleimanpour S, Cho WC. Bacteria as a double-action sword in cancer. Biochim Biophys Acta Rev Cancer 2020; 1874:188388. [PMID: 32589907 DOI: 10.1016/j.bbcan.2020.188388] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/09/2020] [Accepted: 06/18/2020] [Indexed: 01/10/2023]
Abstract
Bacteria have long been known as one of the primary causative agents of cancer, however, recent studies suggest that they can be used as a promising agent in cancer therapy. Because of the limitations that conventional treatment faces due to the specific pathophysiology and the tumor environment, there is a great need for the new anticancer therapeutic agents. Bacteriotherapy utilizes live, attenuated strains or toxins, peptides, bacteriocins of the bacteria in the treatment of cancer. Moreover, they are widely used as a vector for delivering genes, peptides, or drugs to the tumor target. Interestingly, it was found that their combination with the conventional therapeutic approaches may enhance the treatment outcome. In the genome editing era, it is feasible to develop a novel generation of therapeutic bacteria with fewer side effects and more efficacy for cancer therapy. Here we review the current knowledge on the dual role of bacteria in the development of cancer as well as cancer therapy.
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Affiliation(s)
- Atieh Yaghoubi
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Khazaei
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saba Jalili
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hasanian
- Department of Medical Biochemistry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saman Soleimanpour
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong, SAR, China.
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28
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Soleimanpour S, Hasanian SM, Avan A, Yaghoubi A, Khazaei M. Bacteriotherapy in gastrointestinal cancer. Life Sci 2020; 254:117754. [PMID: 32389833 DOI: 10.1016/j.lfs.2020.117754] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/27/2020] [Accepted: 05/04/2020] [Indexed: 01/13/2023]
Abstract
The most prevalent gastrointestinal (GI) cancers include colorectal cancer, stomach cancer, and liver cancer, known as the most common causes of cancer-related death in both men and women populations in the world. Traditional therapeutic approaches, including surgery, radiotherapy, and chemotherapy have failed in the effective treatment of cancer. Therefore, there is an urgent need for finding new effective anticancer agents. The available evidence and also the promising results of using bacteria as the anticancer agents on numerous cancer cell lines have attracted the attention of scientists for the therapeutic role of bacteria in the field of cancer therapy. Moreover, several studies on the bacteriotherapy agents have used genetic engineering to overcome the challenges and enhance the efficacy with the least drawbacks. Numerous bacterial species that can specifically target and internalize into the tumor cells are used live, attenuated, or genetically as compared to selectively consider the hypoxic condition of tumor, which results in the tumor suppression. The present study is a comprehensive review of the current literature on the use of bacteria and their substances such as bacteriocins and toxins in the treatment of different types of gastrointestinal cancers.
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Affiliation(s)
- Saman Soleimanpour
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hasanian
- Department of Medical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Atieh Yaghoubi
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Majid Khazaei
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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29
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Bala K, Husain I, Sharma A. Arginine deaminase from Pseudomonas aeruginosa PS2: purification, biochemical characterization and in-vitro evaluation of anticancer activity. 3 Biotech 2020; 10:226. [PMID: 32373418 DOI: 10.1007/s13205-020-02212-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 04/16/2020] [Indexed: 01/04/2023] Open
Abstract
In the present study, arginine deaminase (ADI) was purified from Pseudomonas aeruginosa PS2 which showed relative molecular mass of 70 ± 3 kDa on native-PAGE and 36 ± 0.5 kDa on SDS-PAGE. Purified ADI exhibited optimum activity at pH 6.5 and temperature 40 ºC. Metal ions, K+ and Mg2+ had positive, while Mn2+, Cr2+, Co2+, Fe3+, Ni2+, Cu2+, Cd2+ and Hg2+ had negative effects on catalytic activity of ADI. Purified enzyme showed high substrate specificity towards natural substrate L-arginine and did not hydrolyse its structural analogues. In-vitro serum half-life of purified ADI was 40 h, whereas proteolytic half-life was 28, 27, and 32 min against trypsin, elastase-I and proteinase-K, respectively. Anticancer activity of ADI has been evaluated against panel of human cancer cell lines (LS-180, HCT-116, MCF-7, BT-549, T47D, HL-60, MOLT-4, K-562, and PC-3) but lowest IC50 1.2 IU ml-1 was recorded with MCF-7 cells. Colony forming assay, wound-healing migration assay, phase contrast microscopy, DAPI staining, cell cycle analysis and DNA laddering assay revealed that ADI treatment induced apoptotic cell death in dose dependent manner. Increased level of MMP loss, ROS generation and decreased level of SOD, CAT, GPx and GSH displayed ADI treatment induced mitochondrial dysfunctioning. Furthermore, purified ADI had no substantial toxicity against human normal cell lines and blood erythrocytes. These findings suggesting that purified ADI could be developed as an anticancer agent but more in depth studies are warranted.
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Affiliation(s)
- Kiran Bala
- 1Bacteriology Laboratory, Department of P.G. Studies and Research in Biological Science, Rani Durgavati University, Jabalpur, Madhya Pradesh India
| | - Islam Husain
- 1Bacteriology Laboratory, Department of P.G. Studies and Research in Biological Science, Rani Durgavati University, Jabalpur, Madhya Pradesh India
- 2Molecular and Structural Biology Division, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Lucknow, Uttar Pradesh India
| | - Anjana Sharma
- 1Bacteriology Laboratory, Department of P.G. Studies and Research in Biological Science, Rani Durgavati University, Jabalpur, Madhya Pradesh India
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30
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Oehmcke-Hecht S, Mandl V, Naatz LT, Dühring L, Köhler J, Kreikemeyer B, Maletzki C. Streptococcus gallolyticus abrogates anti-carcinogenic properties of tannic acid on low-passage colorectal carcinomas. Sci Rep 2020; 10:4714. [PMID: 32170212 PMCID: PMC7070001 DOI: 10.1038/s41598-020-61458-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 02/16/2020] [Indexed: 12/16/2022] Open
Abstract
The tannase-producing Gram-positive bacterial species Streptococcus gallolyticus subsp. gallolyticus (Sgg) is an opportunistic pathogen of the human gut and strongly associated with colorectal cancer (CRC). A unique feature of Sgg is its ability to degrade tannic acids (TA). TA constitute an important part of the human diet with known anti-tumorigenic properties. Here, we examined whether Sgg is able to protect tumor cells from the toxic effect of TA and thus drive tumorigenesis indirectly. Human CRC cell lines (n = 8) were treated with increasing concentrations of TA. We confirmed the cytotoxic activity of TA in a dose-dependent manner. In virtually all cell lines, viability decreased significantly (>60% inhibition). Moreover, pyrogallol, the degradation product of TA, had no effect on the tested cell lines. This suggests a specific effect of TA. Cytotoxicity was due to necrosis and induction of senescence in residual cells. Finally, when TA was degraded by Sgg, the cytotoxic effect could be abolished. Tumor cells even responded with boosted cell proliferation, highlighting the impact of Sgg on CRC progression. We here provide another piece of evidence for the active interplay between Sgg and cancer preventive components. These data will help to move forward in designing concepts for therapeutic and eventually also prophylactic approaches to combat gastrointestinal malignancies.
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Affiliation(s)
- Sonja Oehmcke-Hecht
- Institute of Medical Microbiology, Virology and Hygiene, Rostock University Medical Center, Rostock, Germany.
| | - Vanessa Mandl
- Institute of Medical Microbiology, Virology and Hygiene, Rostock University Medical Center, Rostock, Germany.,Department of Internal Medicine, Medical Clinic III - Hematology, Oncology, Palliative Care, Rostock University Medical Center, Rostock, Germany
| | - Lukas Tim Naatz
- Institute of Medical Microbiology, Virology and Hygiene, Rostock University Medical Center, Rostock, Germany.,Department of Internal Medicine, Medical Clinic III - Hematology, Oncology, Palliative Care, Rostock University Medical Center, Rostock, Germany
| | - Lara Dühring
- Institute of Medical Microbiology, Virology and Hygiene, Rostock University Medical Center, Rostock, Germany.,Department of Internal Medicine, Medical Clinic III - Hematology, Oncology, Palliative Care, Rostock University Medical Center, Rostock, Germany
| | - Juliane Köhler
- Institute of Medical Microbiology, Virology and Hygiene, Rostock University Medical Center, Rostock, Germany
| | - Bernd Kreikemeyer
- Institute of Medical Microbiology, Virology and Hygiene, Rostock University Medical Center, Rostock, Germany
| | - Claudia Maletzki
- Department of Internal Medicine, Medical Clinic III - Hematology, Oncology, Palliative Care, Rostock University Medical Center, Rostock, Germany.
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31
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Bacteria and cancer: Different sides of the same coin. Life Sci 2020; 246:117398. [PMID: 32032647 DOI: 10.1016/j.lfs.2020.117398] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/20/2020] [Accepted: 02/01/2020] [Indexed: 12/14/2022]
Abstract
Conventional cancer therapies such as chemotherapy, radiation therapy, and immunotherapy due to the complexity of cancer have been unsuccessful in the complete eradication of tumor cells. Thus, there is a need for new therapeutic strategies toward cancer. Recently, the therapeutic role of bacteria in different fields of medicine and pharmaceutical research has attracted attention in recent decades. Although several bacteria are notorious as cancer-causing agents, recent research revealed intriguing results suggesting the bacterial potential in cancer therapy. Thus, bacterial cancer therapy is an alternative anticancer approach that has promising results on tumor cells in-vivo. Moreover, with the aid of genetic engineering, some natural or genetically modified bacterial strains can directly target hypoxic regions of tumors and secrete therapeutic molecules leading to cancer cell death. Additionally, stimulation of immune cells by bacteria, bacterial cancer DNA vaccine and antitumor bacterial metabolites are other therapeutic applications of bacteria in cancer therapy. The present study is a comprehensive review of different aspects of bacterial cancer therapy alone and in combination with conventional methods, for improving cancer therapy.
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32
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Karatsai O, Stasyk O, Redowicz MJ. Effects of Arginine and Its Deprivation on Human Glioblastoma Physiology and Signaling. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1202:243-258. [PMID: 32034717 DOI: 10.1007/978-3-030-30651-9_12] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The observations that numerous cancers are characterized by impairment in arginine synthesis and that deficit of exogenous arginine specifically affects their growth and viability are the ground for arginine deprivation-based anticancer treatment strategy. This review addresses molecular mechanisms of the human glioblastoma cell response to arginine deprivation. Our earlier studies have shown that arginine deprivation specifically impairs glioblastoma cell motility, adhesion and invasiveness. These changes were evoked by alterations in the actin cytoskeleton organization resulting from a decreased arginylation of β-actin isoform. Moreover, deficit of arginine induces prolonged endoplasmic reticulum (ER) stress and activation of the unfolded protein response, not leading, however, to a massive apoptosis in glioblastoma cells. Our current research indicates that cell death could be augmented by other compounds such as modulators of ER stress, for example arginine analogue of plant origin, canavanine. Implication of these studies on the development of new anti-glioma metabolic therapeutic modalities are discussed.
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Affiliation(s)
- Olena Karatsai
- Laboratory of Molecular Basis of Cell Motility, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Oleh Stasyk
- Department of Cell Signaling, Institute of Cell Biology, National Academy of Sciences of Ukraine, Lviv, Ukraine
| | - Maria Jolanta Redowicz
- Laboratory of Molecular Basis of Cell Motility, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland.
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33
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Ashu EE, Xu J, Yuan ZC. Bacteria in Cancer Therapeutics: A Framework for Effective Therapeutic Bacterial Screening and Identification. J Cancer 2019; 10:1781-1793. [PMID: 31205534 PMCID: PMC6547982 DOI: 10.7150/jca.31699] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 02/21/2019] [Indexed: 12/11/2022] Open
Abstract
By 2030, the global incidence of cancer is expected to increase by approximately 50%. However, most conventional therapies still lack cancer selectivity, which can have severe unintended side effects on healthy body tissue. Despite being an unconventional and contentious therapy, the last two decades have seen a significant renaissance of bacterium-mediated cancer therapy (BMCT). Although promising, most present-day therapeutic bacterial candidates have not shown satisfactory efficacy, effectiveness, or safety. Furthermore, therapeutic bacterial candidates are available to only a few of the approximately 200 existing cancer types. Excitingly, the recent surge in BMCT has piqued the interest of non-BMCT microbiologists. To help advance these interests, in this paper we reviewed important aspects of cancer, present-day cancer treatments, and historical aspects of BMCT. Here, we provided a four-step framework that can be used in screening and identifying bacteria with cancer therapeutic potential, including those that are uncultivable. Systematic methodologies such as the ones suggested here could prove valuable to new BMCT researchers, including experienced non-BMCT researchers in possession of extensive knowledge and resources of bacterial genomics. Lastly, our analyses highlight the need to establish and standardize quantitative methods that can be used to identify and compare bacteria with important cancer therapeutic traits.
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Affiliation(s)
- Eta E. Ashu
- Department of Microbiology & Immunology, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, Canada
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - Jianping Xu
- Department of Biology, McMaster University, Hamilton, Ontario, Canada
| | - Ze-Chun Yuan
- Department of Microbiology & Immunology, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, Canada
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
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34
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Hall PE, Lewis R, Syed N, Shaffer R, Evanson J, Ellis S, Williams M, Feng X, Johnston A, Thomson JA, Harris FP, Jena R, Matys T, Jefferies S, Smith K, Wu BW, Bomalaski JS, Crook T, O'Neill K, Paraskevopoulos D, Khadeir RS, Sheaff M, Pacey S, Plowman PN, Szlosarek PW. A Phase I Study of Pegylated Arginine Deiminase (Pegargiminase), Cisplatin, and Pemetrexed in Argininosuccinate Synthetase 1-Deficient Recurrent High-grade Glioma. Clin Cancer Res 2019; 25:2708-2716. [PMID: 30796035 DOI: 10.1158/1078-0432.ccr-18-3729] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 12/30/2018] [Accepted: 02/12/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE Patients with recurrent high-grade gliomas (HGG) are usually managed with alkylating chemotherapy ± bevacizumab. However, prognosis remains very poor. Preclinically, we showed that HGGs are a target for arginine depletion with pegargiminase (ADI-PEG20) due to epimutations of argininosuccinate synthetase (ASS1) and/or argininosuccinate lyase (ASL). Moreover, ADI-PEG20 disrupts pyrimidine pools in ASS1-deficient HGGs, thereby impacting sensitivity to the antifolate, pemetrexed. PATIENTS AND METHODS We expanded a phase I trial of ADI-PEG20 with pemetrexed and cisplatin (ADIPEMCIS) to patients with ASS1-deficient recurrent HGGs (NCT02029690). Patients were enrolled (01/16-06/17) to receive weekly ADI-PEG20 36 mg/m2 intramuscularly plus pemetrexed 500 mg/m2 and cisplatin 75 mg/m2 intravenously once every 3 weeks for up to 6 cycles. Patients with disease control were allowed ADI-PEG20 maintenance. The primary endpoints were safety, tolerability, and preliminary estimates of efficacy. RESULTS Ten ASS1-deficient heavily pretreated patients were treated with ADIPEMCIS therapy. Treatment was well tolerated with the majority of adverse events being Common Terminology Criteria for Adverse Events v4.03 grade 1-2. The best overall response was stable disease in 8 patients (80%). Plasma arginine was suppressed significantly below baseline with a reciprocal increase in citrulline during the sampling period. The anti-ADI-PEG20 antibody titer rose during the first 4 weeks of treatment before reaching a plateau. Median progression-free survival (PFS) was 5.2 months (95% confidence interval (CI), 2.5-20.8) and overall survival was 6.3 months (95% CI, 1.8-9.7). CONCLUSIONS In this recurrent HGG study, ADIPEMCIS was well tolerated and compares favorably to historical controls. Additional trials of ADI-PEG20 in HGG are planned.
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Affiliation(s)
- Peter E Hall
- Department of Oncology, Barts Health NHS Trust, London, United Kingdom
| | - Rachel Lewis
- Department of Oncology, Barts Health NHS Trust, London, United Kingdom
| | - Nelofer Syed
- Department of Medicine, Imperial College, London, United Kingdom
| | - Richard Shaffer
- St. Luke's Cancer Centre, Royal Surrey County Hospital, Guildford, United Kingdom
| | - Jane Evanson
- Department of Radiology, Barts Health NHS Trust, London, United Kingdom
| | - Stephen Ellis
- Department of Radiology, Barts Health NHS Trust, London, United Kingdom
| | - Matthew Williams
- Department of Oncology, Imperial College Healthcare NHS Trust, London, United Kingdom
| | | | | | | | - Fiona P Harris
- Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Raj Jena
- Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Tomasz Matys
- Department of Radiology, University of Cambridge, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Sarah Jefferies
- Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Kate Smith
- Department of Oncology, Barts Health NHS Trust, London, United Kingdom
| | - Bor-Wen Wu
- Polaris Pharmaceuticals Inc., San Diego, California
| | | | - Timothy Crook
- St. Luke's Cancer Centre, Royal Surrey County Hospital, Guildford, United Kingdom
| | - Kevin O'Neill
- Department of Neurosurgery, Imperial College Healthcare NHS Trust, London, United Kingdom
| | | | - Ramsay S Khadeir
- Centre for Molecular Oncology, Queen Mary University of London, London, United Kingdom
| | - Michael Sheaff
- Department of Pathology, Barts Health NHS Trust, London, United Kingdom
| | - Simon Pacey
- Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Piers N Plowman
- Department of Oncology, Barts Health NHS Trust, London, United Kingdom
| | - Peter W Szlosarek
- Department of Oncology, Barts Health NHS Trust, London, United Kingdom.
- Centre for Molecular Oncology, Queen Mary University of London, London, United Kingdom
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Przystal JM, Hajji N, Khozoie C, Renziehausen A, Zeng Q, Abaitua F, Hajitou A, Suwan K, Want E, Bomalaski J, Szlosarek P, O'Neill K, Crook T, Syed N. Efficacy of arginine depletion by ADI-PEG20 in an intracranial model of GBM. Cell Death Dis 2018; 9:1192. [PMID: 30546006 PMCID: PMC6294248 DOI: 10.1038/s41419-018-1195-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 10/25/2018] [Accepted: 10/29/2018] [Indexed: 01/02/2023]
Abstract
Glioblastoma multiforme (GBM) remains a cancer with a poor prognosis and few effective therapeutic options. Successful medical management of GBM is limited by the restricted access of drugs to the central nervous system (CNS) caused by the blood brain barrier (BBB). We previously showed that a subset of GBM are arginine auxotrophic because of transcriptional silencing of ASS1 and/or ASL and are sensitive to pegylated arginine deiminase (ADI-PEG20). However, it is unknown whether depletion of arginine in peripheral blood in vivo has therapeutic activity against intracranial disease. In the present work, we describe the efficacy of ADI-PEG20 in an intracranial model of human GBM in which tumour growth and regression are assessed in real time by measurement of luciferase activity. Animals bearing intracranial human GBM tumours of varying ASS status were treated with ADI-PEG20 alone or in combination with temozolomide and monitored for tumour growth and regression. Monotherapy ADI-PEG20 significantly reduces the intracranial growth of ASS1 negative GBM and extends survival of mice carrying ASS1 negative GBM without obvious toxicity. The combination of ADI-PEG20 with temozolomide (TMZ) demonstrates enhanced effects in both ASS1 negative and ASS1 positive backgrounds.Our data provide proof of principle for a therapeutic strategy for GBM using peripheral blood arginine depletion that does not require BBB passage of drug and is well tolerated. The ability of ADI-PEG20 to cytoreduce GBM and enhance the effects of temozolomide argues strongly for its early clinical evaluation in the treatment of GBM.
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Affiliation(s)
- Justyna Magdalena Przystal
- Phage Therapy Group, Division of Brain Sciences, Imperial College London, London, UK
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Nabil Hajji
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Combiz Khozoie
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Alexander Renziehausen
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Qingyu Zeng
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Fernando Abaitua
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Amin Hajitou
- Phage Therapy Group, Division of Brain Sciences, Imperial College London, London, UK
| | - Keittisak Suwan
- Phage Therapy Group, Division of Brain Sciences, Imperial College London, London, UK
| | - Elizabeth Want
- Department of Cancer and Surgery, Imperial College, London, UK
| | - John Bomalaski
- Polaris Pharmaceuticals Inc., San Diego, California, USA
| | - Peter Szlosarek
- Center for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, Charterhouse Square, London, UK
| | - Kevin O'Neill
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK
| | - Tim Crook
- St Luke's Cancer Centre, Egerton Road, Guildford, UK
| | - Nelofer Syed
- John Fulcher Neuro-Oncology Laboratory, Division of Brain Sciences, Imperial College London, London, UK.
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36
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Chhipa RR, Fan Q, Anderson J, Muraleedharan R, Huang Y, Ciraolo G, Chen X, Waclaw R, Chow LM, Khuchua Z, Kofron M, Weirauch MT, Kendler A, McPherson C, Ratner N, Nakano I, Dasgupta N, Komurov K, Dasgupta B. AMP kinase promotes glioblastoma bioenergetics and tumour growth. Nat Cell Biol 2018; 20:823-835. [PMID: 29915361 PMCID: PMC6113057 DOI: 10.1038/s41556-018-0126-z] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 05/18/2018] [Indexed: 12/19/2022]
Abstract
Stress is integral to tumour evolution, and cancer cell survival depends on stress management. We found that cancer-associated stress chronically activates the bioenergetic sensor AMP kinase (AMPK) and, to survive, tumour cells hijack an AMPK-regulated stress response pathway conserved in normal cells. Analysis of The Cancer Genome Atlas data revealed that AMPK isoforms are highly expressed in the lethal human cancer glioblastoma (GBM). We show that AMPK inhibition reduces viability of patient-derived GBM stem cells (GSCs) and tumours. In stressed (exercised) skeletal muscle, AMPK is activated to cooperate with CREB1 (cAMP response element binding protein-1) and promote glucose metabolism. We demonstrate that oncogenic stress chronically activates AMPK in GSCs that coopt the AMPK-CREB1 pathway to coordinate tumour bioenergetics through the transcription factors HIF1α and GABPA. Finally, we show that adult mice tolerate systemic deletion of AMPK, supporting the use of AMPK pharmacological inhibitors in the treatment of GBM.
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Affiliation(s)
- Rishi Raj Chhipa
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, PA, USA
| | - Qiang Fan
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Jane Anderson
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | | | - Yan Huang
- Division of Molecular and Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Georgianne Ciraolo
- Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Xiaoting Chen
- Division of Center for Autoimmune Genomics and Etiology and Biomedical Informatics and Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Ronald Waclaw
- Division of Experimental Hematology and Cancer Biology, Cincinnati, OH, USA
| | - Lionel M Chow
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Zaza Khuchua
- Division of Molecular and Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Sechenov University, Department of Biochemistry, Moscow, Russian Federation
| | - Matthew Kofron
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Matthew T Weirauch
- Division of Center for Autoimmune Genomics and Etiology and Biomedical Informatics and Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Ady Kendler
- Department of Pathology and Laboratory Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Christopher McPherson
- Department of Neurosurgery, Brain Tumor Center, University of Cincinnati Neuroscience Institute and Mayfield Clinic, Cincinnati, OH, USA
| | - Nancy Ratner
- Division of Experimental Hematology and Cancer Biology, Cincinnati, OH, USA
| | - Ichiro Nakano
- Department of Neurosurgery, University of Alabama, Cincinnati, OH, USA
| | - Nupur Dasgupta
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Kakajan Komurov
- Division of Experimental Hematology and Cancer Biology, Cincinnati, OH, USA
| | - Biplab Dasgupta
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
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37
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Anticancer Activity of Bacterial Proteins and Peptides. Pharmaceutics 2018; 10:pharmaceutics10020054. [PMID: 29710857 PMCID: PMC6027124 DOI: 10.3390/pharmaceutics10020054] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 04/19/2018] [Accepted: 04/19/2018] [Indexed: 12/12/2022] Open
Abstract
Despite much progress in the diagnosis and treatment of cancer, tumour diseases constitute one of the main reasons of deaths worldwide. The side effects of chemotherapy and drug resistance of some cancer types belong to the significant current therapeutic problems. Hence, searching for new anticancer substances and medicines are very important. Among them, bacterial proteins and peptides are a promising group of bioactive compounds and potential anticancer drugs. Some of them, including anticancer antibiotics (actinomycin D, bleomycin, doxorubicin, mitomycin C) and diphtheria toxin, are already used in the cancer treatment, while other substances are in clinical trials (e.g., p28, arginine deiminase ADI) or tested in in vitro research. This review shows the current literature data regarding the anticancer activity of proteins and peptides originated from bacteria: antibiotics, bacteriocins, enzymes, nonribosomal peptides (NRPs), toxins and others such as azurin, p28, Entap and Pep27anal2. The special attention was paid to the still poorly understood active substances obtained from the marine sediment bacteria. In total, 37 chemical compounds or groups of compounds with antitumor properties have been described in the present article.
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Maletzki C, Rosche Y, Riess C, Scholz A, William D, Classen CF, Kreikemeyer B, Linnebacher M, Fiedler T. Deciphering molecular mechanisms of arginine deiminase-based therapy - Comparative response analysis in paired human primary and recurrent glioblastomas. Chem Biol Interact 2017; 278:179-188. [PMID: 28989041 DOI: 10.1016/j.cbi.2017.10.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 09/15/2017] [Accepted: 10/04/2017] [Indexed: 12/23/2022]
Abstract
Arginine auxotrophy constitutes the Achilles' heel for several tumors, among them glioblastoma multiforme (GBM). Hence, arginine-depleting enzymes such as arginine deiminase (ADI) from Streptococcus pyogenes are promising for treatment of primary and maybe even refractory GBM. Based on our previous study in which ADI-susceptibility was shown on a panel of patient-derived GBM cell lines, we here aimed at deciphering underlying molecular mechanisms of ADI-mediated growth inhibition. We found that ADI (35 mU/mL) initially induces a cellular stress-response that is characterized by upregulation of genes primarily belonging to the heat-shock protein family. In addition to autophagocytosis, we show for the first time that senescence constitutes another cellular response mechanism upon ADI-treatment and that this bacterial enzyme is able to act as radiosensitizer (¼ cases). Long-term treatment schedules revealed no resistance development, with treated cells showing morphological signs of cell stress. Next, several combination strategies were employed to optimize ADI-based treatment. Simultaneous and sequential S. pyogenes ADI-based combinations included substances acting at different molecular pathways (curcumin, resveratrol, quinacrine, and sorafenib, 2 × 72 h treatment). Adding drugs to GBM cell lines (n = 4, including a matched pair of primary and recurrent GBM in one case) accelerated and potentiated ADI-mediated cytotoxicity. Autophagy was identified as the main cause of tumor growth inhibition. Of note, residual cells again showed classical signs of senescence in most combinations. Our results suggest an alternative treatment regimen for this fatal cancer type which circumvents many of the traditional barriers. Using the metabolic defect in GBM thus warrants further (pre-) clinical evaluation.
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Affiliation(s)
- Claudia Maletzki
- Molecular Oncology and Immunotherapy, Department of General Surgery, 18057 Rostock, Germany.
| | - Yvonne Rosche
- Molecular Oncology and Immunotherapy, Department of General Surgery, 18057 Rostock, Germany; Institute for Medical Microbiology, Virology, and Hygiene, 18057 Rostock, Germany
| | - Christin Riess
- Molecular Oncology and Immunotherapy, Department of General Surgery, 18057 Rostock, Germany; Institute for Medical Microbiology, Virology, and Hygiene, 18057 Rostock, Germany
| | - Aline Scholz
- Molecular Oncology and Immunotherapy, Department of General Surgery, 18057 Rostock, Germany; Institute for Medical Microbiology, Virology, and Hygiene, 18057 Rostock, Germany
| | - Doreen William
- Molecular Oncology and Immunotherapy, Department of General Surgery, 18057 Rostock, Germany; University Childrens' Hospital, Rostock University Medical Centre, 18057 Rostock, Germany
| | - Carl Friedrich Classen
- University Childrens' Hospital, Rostock University Medical Centre, 18057 Rostock, Germany
| | - Bernd Kreikemeyer
- Institute for Medical Microbiology, Virology, and Hygiene, 18057 Rostock, Germany
| | - Michael Linnebacher
- Molecular Oncology and Immunotherapy, Department of General Surgery, 18057 Rostock, Germany
| | - Tomas Fiedler
- Institute for Medical Microbiology, Virology, and Hygiene, 18057 Rostock, Germany
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Sharma A, Bala K, Husain I. Preliminary evaluation of arginine deiminase activity of indigenous bacterial strains for suitable chemotherapeutic applications. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2017. [DOI: 10.1016/j.bcab.2017.09.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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40
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Vardon A, Dandapani M, Cheng D, Cheng P, De Santo C, Mussai F. Arginine auxotrophic gene signature in paediatric sarcomas and brain tumours provides a viable target for arginine depletion therapies. Oncotarget 2017; 8:63506-63517. [PMID: 28969007 PMCID: PMC5609939 DOI: 10.18632/oncotarget.18843] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Accepted: 06/05/2017] [Indexed: 01/11/2023] Open
Abstract
Paediatric sarcomas and brain tumours, remain cancers of significant unmet need, with a poor prognosis for patients with high risk disease or those who relapse, and significant morbidities from treatment for those that survive using standard treatment approaches. Novel treatment strategies, based on the underlying tumour biology, are needed to improve outcomes. Arginine is a semi-essential amino acid that is imported from the extracellular microenvironment or recycled from intracellular precursors through the combined expression of the enzymes ornithine transcarbamylase (OTC), argininosuccinate synthase (ASS) and argininosuccinate lyase (ASL) enzymes. The failure to express at least one of these recycling enzymes makes cells reliant on extracellular arginine - a state known as arginine auxotrophism. Here we show in large in silico patient cohorts that paediatric sarcomas and brain tumours express predominately the arginine transporter SLC7A1 and the arginine metabolising enzyme Arginase 2 (ARG2), but have low-absent expression of OTC. The arginine metabolic pathway correlated with the expression of genes associated with tumour pathogenesis, and overall survival in paediatric sarcomas. This gene signature of arginine auxotrophism indicates paediatric sarcomas and brain tumours are a viable target for therapeutic arginase drugs under current clinical trial development.
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Affiliation(s)
- Ashley Vardon
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Madhumita Dandapani
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Daryl Cheng
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Paul Cheng
- Bio-Cancer Treatment International Ltd, Hong Kong, China
| | - Carmela De Santo
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Francis Mussai
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
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Hinrichs CN, Ingargiola M, Käubler T, Löck S, Temme A, Köhn-Luque A, Deutsch A, Vovk O, Stasyk O, Kunz-Schughart LA. Arginine Deprivation Therapy: Putative Strategy to Eradicate Glioblastoma Cells by Radiosensitization. Mol Cancer Ther 2017; 17:393-406. [DOI: 10.1158/1535-7163.mct-16-0807] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 05/08/2017] [Accepted: 07/26/2017] [Indexed: 11/16/2022]
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42
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Fung MKL, Chan GCF. Drug-induced amino acid deprivation as strategy for cancer therapy. J Hematol Oncol 2017; 10:144. [PMID: 28750681 PMCID: PMC5530962 DOI: 10.1186/s13045-017-0509-9] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 07/10/2017] [Indexed: 12/21/2022] Open
Abstract
Cancer is caused by uncontrollable growth of neoplastic cells, leading to invasion of adjacent and distant tissues resulting in death. Cancer cells have specific nutrient(s) auxotrophy and have a much higher nutrient demand compared to normal tissues. Therefore, different metabolic inhibitors or nutrient-depleting enzymes have been tested for their anti-cancer activities. We review recent available laboratory and clinical data on using various specific amino acid metabolic pathways inhibitors in treating cancers. Our focus is on glutamine, asparagine, and arginine starvation. These three amino acids are chosen due to their better scientific evidence compared to other related approaches in cancer treatment. Amino acid-specific depleting enzymes have been adopted in different standard chemotherapy protocols. Glutamine starvation by glutaminase inhibitior, transporter inhibitor, or glutamine depletion has shown to have significant anti-cancer effect in pre-clinical studies. Currently, glutaminase inhibitor is under clinical trial for testing anti-cancer efficacy. Clinical data suggests that asparagine depletion is effective in treating hematologic malignancies even as a single agent. On the other hand, arginine depletion has lower toxicity profile and can effectively reduce the level of pro-cancer biochemicals in patients as shown by ours and others’ data. This supports the clinical use of arginine depletion as anti-cancer therapy but its exact efficacy in various cancers requires further investigation. However, clinical application of these enzymes is usually hindered by common problems including allergy to these foreign proteins, off-target cytotoxicity, short half-life and rapidly emerging chemoresistance. There have been efforts to overcome these problems by modifying the drugs in different ways to circumvent these hindrance such as (1) isolate human native enzymes to reduce allergy, (2) isolate enzyme isoforms with higher specificities and efficiencies, (3) pegylate the enzymes to reduce allergy and prolong the half-lives, and (4) design drug combinations protocols to enhance the efficacy of chemotherapy by drug synergy and minimizing resistance. These improvements can potentially lead to the development of more effective anti-cancer treatment with less adverse effects and higher therapeutic efficacy.
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Affiliation(s)
- Marcus Kwong Lam Fung
- Department of Paediatrics and Adolescent Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Godfrey Chi-Fung Chan
- Department of Paediatrics and Adolescent Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong.
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Panosyan EH, Lin HJ, Koster J, Lasky JL. In search of druggable targets for GBM amino acid metabolism. BMC Cancer 2017; 17:162. [PMID: 28245795 PMCID: PMC5331648 DOI: 10.1186/s12885-017-3148-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 02/16/2017] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Amino acid (AA) pathways may contain druggable targets for glioblastoma (GBM). Literature reviews and GBM database ( http://r2.amc.nl ) analyses were carried out to screen for such targets among 95 AA related enzymes. METHODS First, we identified the genes that were differentially expressed in GBMs (3 datasets) compared to non-GBM brain tissues (5 datasets), or were associated with survival differences. Further, protein expression for these enzymes was also analyzed in high grade gliomas (HGGs) (proteinatlas.org). Finally, AA enzyme and gene expression were compared among the 4 TCGA (The Cancer Genome Atlas) subtypes of GBMs. RESULTS We detected differences in enzymes involved in glutamate and urea cycle metabolism in GBM. For example, expression levels of BCAT1 (branched chain amino acid transferase 1) and ASL (argininosuccinate lyase) were high, but ASS1 (argininosuccinate synthase 1) was low in GBM. Proneural and neural TCGA subtypes had low expression of all three. High expression of all three correlated with worse outcome. ASL and ASS1 protein levels were mostly undetected in high grade gliomas, whereas BCAT1 was high. GSS (glutathione synthetase) was not differentially expressed, but higher levels were linked to poor progression free survival. ASPA (aspartoacylase) and GOT1 (glutamic-oxaloacetic transaminase 1) had lower expression in GBM (associated with poor outcomes). All three GABA related genes -- glutamate decarboxylase 1 (GAD1) and 2 (GAD2) and 4-aminobutyrate aminotransferase (ABAT) -- were lower in mesenchymal tumors, which in contrast showed higher IDO1 (indoleamine 2, 3-dioxygenase 1) and TDO2 (tryptophan 2, 3-diaxygenase). Expression of PRODH (proline dehydrogenase), a putative tumor suppressor, was lower in GBM. Higher levels predicted poor survival. CONCLUSIONS Several AA-metabolizing enzymes that are higher in GBM, are also linked to poor outcome (such as BCAT1), which makes them potential targets for therapeutic inhibition. Moreover, existing drugs that deplete asparagine and arginine may be effective against brain tumors, and should be studied in conjunction with chemotherapy. Last, AA metabolism is heterogeneous in TCGA subtypes of GBM (as well as medulloblastomas and other pediatric tumors), which may translate to variable responses to AA targeted therapies.
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Affiliation(s)
- Eduard H. Panosyan
- Los Angeles Biomedical Research Institute and Department of Pediatrics at Harbor-UCLA Medical Center, Box 468, 1000 W. Carson Street, N25, Torrance, CA 90509 USA
| | - Henry J. Lin
- Los Angeles Biomedical Research Institute and Department of Pediatrics at Harbor-UCLA Medical Center, Box 468, 1000 W. Carson Street, N25, Torrance, CA 90509 USA
| | - Jan Koster
- Department of Oncogenomics, Academic Medical Center of the University of Amsterdam, Amsterdam, The Netherlands
| | - Joseph L. Lasky
- Los Angeles Biomedical Research Institute and Department of Pediatrics at Harbor-UCLA Medical Center, Box 468, 1000 W. Carson Street, N25, Torrance, CA 90509 USA
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44
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Low expressions of ASS1 and OTC in glioblastoma suggest the potential clinical use of recombinant human arginase (rhArg). J Neurooncol 2016; 129:579-581. [PMID: 27431689 DOI: 10.1007/s11060-016-2209-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 07/06/2016] [Indexed: 10/21/2022]
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45
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Han RZ, Xu GC, Dong JJ, Ni Y. Arginine deiminase: recent advances in discovery, crystal structure, and protein engineering for improved properties as an anti-tumor drug. Appl Microbiol Biotechnol 2016; 100:4747-60. [DOI: 10.1007/s00253-016-7490-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 03/19/2016] [Accepted: 03/21/2016] [Indexed: 02/06/2023]
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46
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Starikova EA, Sokolov AV, Vlasenko AY, Burova LA, Freidlin IS, Vasilyev VB. Biochemical and biological activity of arginine deiminase from Streptococcus pyogenes M22. Biochem Cell Biol 2016; 94:129-37. [DOI: 10.1139/bcb-2015-0069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Streptococcus pyogenes (group A Streptococcus; GAS) is an important gram-positive extracellular bacterial pathogen responsible for a number of suppurative infections. This micro-organism has developed complex virulence mechanisms to avoid the host’s defenses. We have previously reported that SDSC from GAS type M22 causes endothelial-cell dysfunction, and inhibits cell adhesion, migration, metabolism, and proliferation in a dose-dependent manner, without affecting cell viability. This work aimed to isolate and characterize a component from GAS type M22 supernatant that suppresses the proliferation of endothelial cells (EA.hy926). In the process of isolating a protein possessing antiproliferative activity we identified arginine deiminase (AD). Further study showed that this enzyme is most active at pH 6.8. Calculating Km and Vmax gave the values of 0.67 mmol·L–1 and 42 s−1, respectively. A distinctive feature of AD purified from GAS type M22 is that its optimum activity and the maximal rate of the catalytic process is close to neutral pH by comparison with enzymes from other micro-organisms. AD from GAS type M22 suppressed the proliferative activity of endothelial cells in a dose-dependent mode. At the same time, in the presence of AD, the proportion of cells in G0/G1 phase increased. When l-Arg was added at increasing concentrations to the culture medium containing AD (3 μg·mL–1), the enzyme’s capacity to inhibit cell proliferation became partially depressed. The proportion of cells in phases S/G2 increased concomitantly, although the cells did not fully recover their proliferation activity. This suggests that AD from GAS type M22 has potential for the suppression of excessive cell proliferation.
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Affiliation(s)
- Eleonora A. Starikova
- Institute of Experimental Medicine, 12 Pavlov Street, St. Petersburg, 197376, Russia
| | - Alexey V. Sokolov
- Institute of Experimental Medicine, 12 Pavlov Street, St. Petersburg, 197376, Russia
- Saint-Petersburg State University, 7–9 Universitetskaya nab., St. Petersburg, 199034, Russia
| | - Anna Yu. Vlasenko
- Institute of Experimental Medicine, 12 Pavlov Street, St. Petersburg, 197376, Russia
| | - Larisa A. Burova
- Institute of Experimental Medicine, 12 Pavlov Street, St. Petersburg, 197376, Russia
| | - Irina S. Freidlin
- Institute of Experimental Medicine, 12 Pavlov Street, St. Petersburg, 197376, Russia
| | - Vadim B. Vasilyev
- Institute of Experimental Medicine, 12 Pavlov Street, St. Petersburg, 197376, Russia
- Saint-Petersburg State University, 7–9 Universitetskaya nab., St. Petersburg, 199034, Russia
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