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Carvalho LAC, Queijo RG, Baccaro ALB, Siena ÁDD, Silva WA, Rodrigues T, Maria-Engler SS. Redox-Related Proteins in Melanoma Progression. Antioxidants (Basel) 2022; 11:438. [PMID: 35326089 PMCID: PMC8944639 DOI: 10.3390/antiox11030438] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/05/2022] [Accepted: 02/14/2022] [Indexed: 02/06/2023] Open
Abstract
Melanoma is the most aggressive type of skin cancer. Despite the available therapies, the minimum residual disease is still refractory. Reactive oxygen and nitrogen species (ROS and RNS) play a dual role in melanoma, where redox imbalance is involved from initiation to metastasis and resistance. Redox proteins modulate the disease by controlling ROS/RNS levels in immune response, proliferation, invasion, and relapse. Chemotherapeutics such as BRAF and MEK inhibitors promote oxidative stress, but high ROS/RNS amounts with a robust antioxidant system allow cells to be adaptive and cooperate to non-toxic levels. These proteins could act as biomarkers and possible targets. By understanding the complex mechanisms involved in adaptation and searching for new targets to make cells more susceptible to treatment, the disease might be overcome. Therefore, exploring the role of redox-sensitive proteins and the modulation of redox homeostasis may provide clues to new therapies. This study analyzes information obtained from a public cohort of melanoma patients about the expression of redox-generating and detoxifying proteins in melanoma during the disease stages, genetic alterations, and overall patient survival status. According to our analysis, 66% of the isoforms presented differential expression on melanoma progression: NOS2, SOD1, NOX4, PRX3, PXDN and GPX1 are increased during melanoma progression, while CAT, GPX3, TXNIP, and PRX2 are decreased. Besides, the stage of the disease could influence the result as well. The levels of PRX1, PRX5 and PRX6 can be increased or decreased depending on the stage. We showed that all analyzed isoforms presented some genetic alteration on the gene, most of them (78%) for increased mRNA expression. Interestingly, 34% of all melanoma patients showed genetic alterations on TRX1, most for decreased mRNA expression. Additionally, 15% of the isoforms showed a significant reduction in overall patient survival status for an altered group (PRX3, PRX5, TR2, and GR) and the unaltered group (NOX4). Although no such specific antioxidant therapy is approved for melanoma yet, inhibitors or mimetics of these redox-sensitive proteins have achieved very promising results. We foresee that forthcoming investigations on the modulation of these proteins will bring significant advances for cancer therapy.
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Affiliation(s)
- Larissa A. C. Carvalho
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes, 580, São Paulo 05508-00, SP, Brazil; (L.A.C.C.); (R.G.Q.)
| | - Rodrigo G. Queijo
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes, 580, São Paulo 05508-00, SP, Brazil; (L.A.C.C.); (R.G.Q.)
| | - Alexandre L. B. Baccaro
- Centro de Pós-Graduação e Pesquisa Oswaldo Cruz, Faculdade Oswaldo Cruz, Rua Brigadeiro Galvão, 535, Sao Paulo 01151-000, SP, Brazil;
| | - Ádamo D. D. Siena
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirao Preto 14049-900, SP, Brazil; (Á.D.D.S.); (W.A.S.J.)
| | - Wilson A. Silva
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes, 3900, Ribeirao Preto 14049-900, SP, Brazil; (Á.D.D.S.); (W.A.S.J.)
| | - Tiago Rodrigues
- Center for Natural and Human Sciences, Federal University of ABC, Avenida dos Estados, 5001, Santo Andre 09210-580, SP, Brazil;
| | - Silvya Stuchi Maria-Engler
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, Avenida Professor Lineu Prestes, 580, São Paulo 05508-00, SP, Brazil; (L.A.C.C.); (R.G.Q.)
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Foo BJA, Eu JQ, Hirpara JL, Pervaiz S. Interplay between Mitochondrial Metabolism and Cellular Redox State Dictates Cancer Cell Survival. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:1341604. [PMID: 34777681 PMCID: PMC8580634 DOI: 10.1155/2021/1341604] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/30/2021] [Accepted: 10/04/2021] [Indexed: 02/06/2023]
Abstract
Mitochondria are the main powerhouse of the cell, generating ATP through the tricarboxylic acid cycle (TCA) and oxidative phosphorylation (OXPHOS), which drives myriad cellular processes. In addition to their role in maintaining bioenergetic homeostasis, changes in mitochondrial metabolism, permeability, and morphology are critical in cell fate decisions and determination. Notably, mitochondrial respiration coupled with the passage of electrons through the electron transport chain (ETC) set up a potential source of reactive oxygen species (ROS). While low to moderate increase in intracellular ROS serves as secondary messenger, an overwhelming increase as a result of either increased production and/or deficient antioxidant defenses is detrimental to biomolecules, cells, and tissues. Since ROS and mitochondria both regulate cell fate, attention has been drawn to their involvement in the various processes of carcinogenesis. To that end, the link between a prooxidant milieu and cell survival and proliferation as well as a switch to mitochondrial OXPHOS associated with recalcitrant cancers provide testimony for the remarkable metabolic plasticity as an important hallmark of cancers. In this review, the regulation of cell redox status by mitochondrial metabolism and its implications for cancer cell fate will be discussed followed by the significance of mitochondria-targeted therapies for cancer.
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Affiliation(s)
- Brittney Joy-Anne Foo
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Jie Qing Eu
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
- Cancer Science Institute, NUS, Singapore, Singapore
| | | | - Shazib Pervaiz
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, NUS, Singapore, Singapore
- NUS Medicine Healthy Longevity Program, Yong Loo Lin School of Medicine, NUS, Singapore, Singapore
- Integrative Sciences and Engineering Program, NUS Graduate School, NUS, Singapore, Singapore
- National University Cancer Institute, National University Health System, Singapore, Singapore
- Faculté de Médicine, Université de Paris, Paris, France
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Raghunandan S, Ramachandran S, Ke E, Miao Y, Lal R, Chen ZB, Subramaniam S. Heme Oxygenase-1 at the Nexus of Endothelial Cell Fate Decision Under Oxidative Stress. Front Cell Dev Biol 2021; 9:702974. [PMID: 34595164 PMCID: PMC8476872 DOI: 10.3389/fcell.2021.702974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/17/2021] [Indexed: 12/31/2022] Open
Abstract
Endothelial cells (ECs) form the inner lining of blood vessels and are central to sensing chemical perturbations that can lead to oxidative stress. The degree of stress is correlated with divergent phenotypes such as quiescence, cell death, or senescence. Each possible cell fate is relevant for a different aspect of endothelial function, and hence, the regulation of cell fate decisions is critically important in maintaining vascular health. This study examined the oxidative stress response (OSR) in human ECs at the boundary of cell survival and death through longitudinal measurements, including cellular, gene expression, and perturbation measurements. 0.5 mM hydrogen peroxide (HP) produced significant oxidative stress, placed the cell at this junction, and provided a model to study the effectors of cell fate. The use of systematic perturbations and high-throughput measurements provide insights into multiple regimes of the stress response. Using a systems approach, we decipher molecular mechanisms across these regimes. Significantly, our study shows that heme oxygenase-1 (HMOX1) acts as a gatekeeper of cell fate decisions. Specifically, HP treatment of HMOX1 knockdown cells reversed the gene expression of about 51% of 2,892 differentially expressed genes when treated with HP alone, affecting a variety of cellular processes, including anti-oxidant response, inflammation, DNA injury and repair, cell cycle and growth, mitochondrial stress, metabolic stress, and autophagy. Further analysis revealed that these switched genes were highly enriched in three spatial locations viz., cell surface, mitochondria, and nucleus. In particular, it revealed the novel roles of HMOX1 on cell surface receptors EGFR and IGFR, mitochondrial ETCs (MTND3, MTATP6), and epigenetic regulation through chromatin modifiers (KDM6A, RBBP5, and PPM1D) and long non-coding RNA (lncRNAs) in orchestrating the cell fate at the boundary of cell survival and death. These novel aspects suggest that HMOX1 can influence transcriptional and epigenetic modulations to orchestrate OSR affecting cell fate decisions.
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Affiliation(s)
- Sindhushree Raghunandan
- Department of Bioengineering, University of California, San Diego, San Diego, CA, United States
| | - Srinivasan Ramachandran
- Department of Bioengineering, University of California, San Diego, San Diego, CA, United States
| | - Eugene Ke
- Department of Bioengineering, University of California, San Diego, San Diego, CA, United States
| | - Yifei Miao
- Department of Diabetes Complications and Metabolism, City of Hope, Duarte, CA, United States
| | - Ratnesh Lal
- Department of Bioengineering, University of California, San Diego, San Diego, CA, United States.,Department of Mechanical and Aerospace Engineering, University of California, San Diego, San Diego, CA, United States
| | - Zhen Bouman Chen
- Department of Diabetes Complications and Metabolism, City of Hope, Duarte, CA, United States
| | - Shankar Subramaniam
- Department of Bioengineering, University of California, San Diego, San Diego, CA, United States.,Department of Computer Science and Engineering, University of California, San Diego, San Diego, CA, United States.,Department of Cellular and Molecular Medicine, University of California, San Diego, San Diego, CA, United States
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Ramos-de-la-Peña AM, Aguilar O. Progress and Challenges in PEGylated Proteins Downstream Processing: A Review of the Last 8 Years. Int J Pept Res Ther 2019. [DOI: 10.1007/s10989-019-09840-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Barrett KE, McCole DF. Hydrogen peroxide scavenger, catalase, alleviates ion transport dysfunction in murine colitis. Clin Exp Pharmacol Physiol 2017; 43:1097-1106. [PMID: 27543846 DOI: 10.1111/1440-1681.12646] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 08/11/2016] [Accepted: 08/18/2016] [Indexed: 12/16/2022]
Abstract
Reactive oxygen species (ROS) such as hydrogen peroxide (H2 O2 ) contribute to epithelial damage and ion transport dysfunction (key events in inflammatory diarrhoea) in inflammatory bowel disease (IBD). The aim of this study was to identify if H2 O2 mediates suppression of colonic ion transport function in the murine dextran sulfate sodium (DSS) colitis model by using the H2 O2 degrading enzyme, catalase. Colitis was induced by administering DSS (4%) in drinking water for 5 days followed by 3 days on normal H2 O. Mice were administered either pegylated catalase or saline at day -1, 0 and +1 of DSS treatment. Ion transport responses to the Ca2+ -dependent agonist, carbachol (CCh), or the cAMP-dependent agonist, forskolin, were measured across distal colonic mucosa mounted in Ussing chambers. Parameters of DSS-induced inflammation (loss in body weight, decreased colon length, altered stool consistency), were only partially alleviated by catalase while histology was only minimally improved. However, catalase significantly reversed the DSS-induced reduction in baseline ion transport as well as colonic Isc responses to CCh. However, ion transport responses to forskolin were not significantly restored. Catalase also reduced activation of ERK MAP kinase in the setting of colitis, and increased expression of the Na+ -K+ -2Cl- cotransporter, NKCC1, consistent with restoration of ion transport function. Ex vivo treatment of inflamed colonic mucosae with catalase also partially restored ion transport function. Therefore, catalase partially prevents, and rescues, the loss of ion transport properties in DSS colitis even in the setting of unresolved tissue inflammation. These findings indicate a prominent role for ROS in ion transport dysfunction in colitis and may suggest novel strategies for the treatment of inflammatory diarrhoea.
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Affiliation(s)
- Kim E Barrett
- Division of Gastroenterology, University of California, San Diego School of Medicine, La Jolla, CA, USA
| | - Declan F McCole
- Division of Biomedical Sciences, School of Medicine, University of California Riverside, Riverside, CA, USA.
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Raza MH, Siraj S, Arshad A, Waheed U, Aldakheel F, Alduraywish S, Arshad M. ROS-modulated therapeutic approaches in cancer treatment. J Cancer Res Clin Oncol 2017. [PMID: 28647857 DOI: 10.1007/s00432-017-2464-9] [Citation(s) in RCA: 182] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE Reactive oxygen species (ROS) are produced in cancer cells as a result of increased metabolic rate, dysfunction of mitochondria, elevated cell signaling, expression of oncogenes and increased peroxisome activities. Certain level of ROS is required by cancer cells, above or below which lead to cytotoxicity in cancer cells. This biochemical aspect can be exploited to develop novel therapeutic agents to preferentially and selectively target cancer cells. METHODS We searched various electronic databases including PubMed, Web of Science, and Google Scholar for peer-reviewed english-language articles. Selected articles ranging from research papers, clinical studies, and review articles on the ROS production in living systems, its role in cancer development and cancer treatment, and the role of microbiota in ROS-dependent cancer therapy were analyzed. RESULTS This review highlights oxidative stress in tumors, underlying mechanisms of different relationships of ROS and cancer cells, different ROS-mediated therapeutic strategies and the emerging role of microbiota in cancer therapy. CONCLUSION Cancer cells exhibit increased ROS stress and disturbed redox homeostasis which lead to ROS adaptations. ROS-dependent anticancer therapies including ROS scavenging anticancer therapy and ROS boosting anticancer therapy have shown promising results in vitro as well as in vivo. In addition, response to cancer therapy is modulated by the human microbiota which plays a critical role in systemic body functions.
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Affiliation(s)
- Muhammad Hassan Raza
- Department of Bioinformatics and Biotechnology, International Islamic University, Sector H-10, Islamabad, 44000, Pakistan.
| | - Sami Siraj
- Institute of Basic Medical Sciences, Khyber Medical University (KMU), Peshawar, 25000, Pakistan
| | - Abida Arshad
- Department of Biology, PMAS-Arid Agriculture University, Rawalpindi, 46000, Pakistan
| | - Usman Waheed
- Department of Pathology and Blood Bank, Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad, 44000, Pakistan
| | - Fahad Aldakheel
- Department of Clinical Laboratory Medicine, College of Applied Medical Sciences, King Saud University, Riyadh, 11564, Saudi Arabia
| | - Shatha Alduraywish
- Department of Family and Community Medicine, College of Medicine, King Saud University, Riyadh, 11564, Saudi Arabia
| | - Muhammad Arshad
- Department of Bioinformatics and Biotechnology, International Islamic University, Sector H-10, Islamabad, 44000, Pakistan
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Wang C, Gao Y, Gao X, Wang H, Tian J, Wang L, Zhou B, Ye Z, Wan J, Wen W. Synergistic effect of sunlight induced photothermal conversion and H 2O 2 release based on hybridized tungsten oxide gel for cancer inhibition. Sci Rep 2016; 6:35876. [PMID: 27775086 PMCID: PMC5075885 DOI: 10.1038/srep35876] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 10/05/2016] [Indexed: 12/30/2022] Open
Abstract
A highly efficient photochromic hydrogel was successfully fabricated via casting precursor, which is based on amorphous tungsten oxide and poly (ethylene oxide)-block-poly (propylene oxide)-block-poly (ethylene oxide). Under simulated solar illumination, the hydrogel has a rapid and controlled temperature increasing ratio as its coloration degree. Localized electrons in the amorphous tungsten oxide play a vital role in absorption over a broad range of wavelengths from 400 nm to 1100 nm, encompassing the entire visible light and infrared regions in the solar spectrum. More importantly, the material exhibits sustainable released H2O2 induced by localized electrons, which has a synergistic effect with the rapid surface temperature increase. The amount of H2O2 released by each film can be tuned by the light irradiation, and the film coloration can indicate the degree of oxidative stress. The ability of the H2O2-releasing gels in vitro study was investigated to induce apoptosis in melanoma tumor cells and NIH 3T3 fibroblasts. The in vivo experimental results indicate that these gels have a greater healing effect than the control in the early stages of tumor formation.
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Affiliation(s)
- Cong Wang
- Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, China
- Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
| | - Yibo Gao
- Division of Environmental Science, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
| | - Xinghua Gao
- Shenzhen PKU-HKUST Medical Center, Biomedical Research Institute, Shenzhen-PKU-HKUST Medical Center, Shenzhen, China
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Hua Wang
- Department of Laboratory Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jingxuan Tian
- Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
| | - Li Wang
- Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
| | - Bingpu Zhou
- Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macau
| | - Ziran Ye
- Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
| | - Jun Wan
- Shenzhen PKU-HKUST Medical Center, Biomedical Research Institute, Shenzhen-PKU-HKUST Medical Center, Shenzhen, China
| | - Weijia Wen
- Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
- Division of Environmental Science, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
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Kang JI, Hong JY, Choi JS, Lee SK. Columbianadin Inhibits Cell Proliferation by Inducing Apoptosis and Necroptosis in HCT116 Colon Cancer Cells. Biomol Ther (Seoul) 2016; 24:320-7. [PMID: 27098859 PMCID: PMC4859796 DOI: 10.4062/biomolther.2015.145] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 12/02/2015] [Accepted: 12/29/2015] [Indexed: 01/28/2023] Open
Abstract
Columbianadin (CBN), a natural coumarin from Angelica decursiva (Umbelliferae), is known to have various biological activities including anti-inflammatory and anti-cancer effects. In this study, the anti-proliferative mechanism of actions mediated by CBN was investigated in HCT-116 human colon cancer cells. CBN effectively suppressed the growth of colon cancer cells. Low concentration (up to 25 μM) of CBN induced apoptosis, and high concentration (50 μM) of CBN induced necroptosis. The induction of apoptosis by CBN was correlated with the modulation of caspase-9, caspase-3, Bax, Bcl-2, Bim and Bid, and the induction of necroptosis was related with RIP-3, and caspase-8. In addition, CBN induced the accumulation of ROS and imbalance in the intracellular antioxidant enzymes such as SOD-1, SOD-2, catalase and GPx-1. These findings demonstrate that CBN has the potential to be a candidate in the development of anti-cancer agent derived from natural products.
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Affiliation(s)
- Ji In Kang
- College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji-Young Hong
- College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Jae Sue Choi
- Department of Food Science and Nutrition, Pukyong National University, Busan 46241, Republic of Korea
| | - Sang Kook Lee
- College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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Wang C, Gao X, Gao Y, Cao W, Tian J, Wu X, Ye Z, Zeng X, Zhou B, Wu J, Fang Z, Wan J, Qin J, Wen W. Controlled H 2O 2 release via long-lived electron-hole separation mediated to induce tumor cell apoptosis. J Mater Chem B 2015; 3:8115-8122. [PMID: 32262868 DOI: 10.1039/c5tb00186b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Flexible films of polytungstate (PT) as active ingredients were fabricated in PDMS as a "band-Aid" to achieve controllable H2O2 release. In these different systems of an amorphous PT building block, the lengthened lifetime (bleaching process) of photo-electron-hole separation is attributed to the electron trapping of the PT network and the existence of hole scavengers. The hole scavengers further prevent recombination of electrons and holes, so that the long-lived photoelectron could provide sustainable reactive oxygen species (ROS) by trapped electrons. Transient absorption illustrates the kinetic competition between the process of photohole induced bleaching and coloration induced by weak irradiation, which suggests that the hole scavenger is vital for ROS generation. The signals of electron spin resonance further confirm the existence of ROS. The profiles of controllable H2O2 with various release efficiency were obtained via fluorescence studies. The results indicate that the H2O2 release efficiency is related to both the hole scavenger and the tungstate cluster. The released H2O2 on the responses of tumor cells were evaluated. Compared with a cancer drug, the controllable and reversible released H2O2 delivery is highly efficient in preventing the proliferation and inducing apoptosis of A375 melanoma cells.
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Affiliation(s)
- Cong Wang
- Nano Science and Nano Technology Program and Department of Physics, The Hong Kong University of Science and Technology, Clear water bay, Kowloon, Hong Kong.
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Govender MM, Nadar A. A subpressor dose of angiotensin II elevates blood pressure in a normotensive rat model by oxidative stress. Physiol Res 2014; 64:153-9. [PMID: 25317685 DOI: 10.33549/physiolres.932738] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Oxidative stress is an imbalance between free radicals and antioxidants, and is an important etiological factor in the development of hypertension. Recent experimental evidence suggests that subpressor doses of angiotensin II elevate oxidative stress and blood pressure. We aimed to investigate the oxidative stress related mechanism by which a subpressor dose of angiotensin II induces hypertension in a normotensive rat model. Normotensive male Wistar rats were infused with a subpressor dose of angiotensin II for 28 days. The control group was sham operated and infused with saline only. Plasma angiotensin II and H2O2 levels, whole-blood glutathione peroxidase, and AT-1a, Cu/Zn SOD, and p22phox mRNA expression in the aorta was assessed. Systolic and diastolic blood pressures were elevated in the experimental group. There was no change in angiotensin II levels, but a significant increase in AT-1a mRNA expression was found in the experimental group. mRNA expression of p22phox was increased significantly and Cu/Zn SOD decreased significantly in the experimental group. There was no significant change to the H2O2 and GPx levels. Angiotensin II manipulates the free radical-antioxidant balance in the vasculature by selectively increasing O2(-) production and decreasing SOD activity and causes an oxidative stress induced elevation in blood pressure in the Wistar rat.
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Affiliation(s)
- M M Govender
- Sefako Makgatho Health Sciences University, Pretoria, South Africa.
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Comparison of free radical formation induced by baicalein and pentamethyl-hydroxychromane in human promyelocytic leukemia cells using electron spin resonance. J Food Drug Anal 2014; 22:379-390. [PMID: 28911429 PMCID: PMC9354873 DOI: 10.1016/j.jfda.2014.01.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Revised: 07/10/2013] [Accepted: 10/18/2013] [Indexed: 11/26/2022] Open
Abstract
Baicalein and pentamethyl-hydroxychromane (PMC) have been investigated for use as antioxidants. However, antioxidants may stimulate free radical formation under certain conditions. The aim of our study was to determine whether PMC and baicalein exhibit both pro-oxidant and antioxidant activities in human promyelocytic leukemia (HL-60) cells. In this study, electron spin resonance spectrometry was used to investigate the effects of baicalein and PMC on free radical formation. In HL-60 cells, baicalein and PMC produced hydroxyl and phenoxyl radicals, respectively, but each inhibited radical formation by the other. The PMC pro-oxidant activity required H2O2, whereas baicalein produced hydroxyl radicals during the cell resting state only. The antioxidant effect of baicalein on PMC-induced oxidative stress in HL-60 cells may involve myeloperoxidase inhibition, which produces the myeloperoxidase-protein radical. Our investigation of the antioxidant effects of baicalein on arachidonic acid (AA)-induced oxidative stress in HL-60 cells showed that the baicalein-phenoxyl radical was the primary product, and that either carbon-centered or acyl radicals were the secondary products. However, the antioxidant effects of PMC on AA-induced oxidative stress produced only nonradical products. In conclusion, we showed that baicalein displayed both pro-oxidant and antioxidant activities in HL-60 cells. PMC exhibited no pro-oxidant activity during the cells’ resting state but produced the PMC-phenoxyl radical in the presence of H2O2. The reaction of baicalein with AA in HL-60 cells produced baicalein-derived phenoxyl radicals that may initiate various pro-oxidative reactions. However, PMC does not produce radicals when it acts as an antioxidant. Thus, PMC is more beneficial as an antioxidant than baicalein.
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Cheng H, Lee SH, Wu S. Effects of N-acetyl-L-cysteine on adhesive strength between breast cancer cell and extracellular matrix proteins after ionizing radiation. Life Sci 2013; 93:798-803. [PMID: 24113073 DOI: 10.1016/j.lfs.2013.09.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Revised: 09/19/2013] [Accepted: 09/24/2013] [Indexed: 10/26/2022]
Abstract
AIMS To evaluate the effect of N-acetyl-L-cysteine (LNAC), a common ROS scavenger, on the adhesive affinity between MDA-MB-231 breast cancer cells and extracellular matrix (ECM) proteins after IR. MAIN METHODS Using static cell adhesion assays to determine the effect of various times and duration of LNAC (10mM) treatment on IR (20Gy)-altered adhesive affinity between MDA-MB-231 breast cancer cells and ECM, especially fibronectin; using fluorescence dye carboxy- 2,7-dichlorodihydrofluorescein diacetate to determine intracellular levels of ROS; using flow cytometry to determine cell surface integrin β1; and using Western blot analysis to determine vimentin expression. KEY FINDINGS Our results indicated that continuously treating the breast cancer cells with LNAC for 24h, starting immediately after IR, could inhibit IR-induced cell adhesion to ECM proteins at 24h post-IR. The reduction of cell adhesive affinity was correlated with a down-regulation of IR-induced ROS production and surface expression of activated integrin β1. When the cells were pretreated for 1h, the inhibitory effects of LNAC were found to be either reduced or completely abrogated followed by 24h or 2h treatments, respectively. In addition to cell adhesion, treatment with LNAC inhibited IR-induced expression of vimentin, an epithelial-mesenchymal transition marker (EMT). SIGNIFICANCE The benefits of administering antioxidants during radiation therapy have been the subject of much controversy. Our results suggest that if antioxidant treatment is to be combined with IR therapy, time of administration and treatment duration are important variables to consider.
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Affiliation(s)
- Huiwen Cheng
- Edison Biotechnology Institute, Ohio University, Athens, OH 45701, USA; Department of Chemistry and Biochemistry, Ohio University, Athens, OH 45701, USA
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Ikemura M, Nishikawa M, Kusamori K, Fukuoka M, Yamashita F, Hashida M. Pivotal role of oxidative stress in tumor metastasis under diabetic conditions in mice. J Control Release 2013; 170:191-7. [PMID: 23735571 DOI: 10.1016/j.jconrel.2013.05.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Revised: 03/20/2013] [Accepted: 05/27/2013] [Indexed: 02/07/2023]
Abstract
Diabetic patients are reported to have a high incidence and mortality of cancer, but little is known about the linkage. In this study, we investigated whether high oxidative stress is involved in the acceleration of tumor metastasis in diabetic mice. Murine melanoma B16-BL6 cells stably labeled with firefly luciferase (B16-BL6/Luc) were inoculated into the tail vein of streptozotocin (STZ)-treated or untreated mice. A luciferase assay demonstrated that tumor cells were present largely in the lung of untreated mice, whereas large numbers of tumor cells were detected in both the lung and liver of STZ-treated mice. Repeated injections of polyethylene glycol-conjugated catalase (PEG-catalase), a long-circulating derivative, reduced the elevated fasting blood glucose levels and plasma lipoperoxide levels of STZ-treated mice, but had no significant effects on these parameters in untreated mice. In addition, the injections significantly reduced the number of tumor cells in the lung and liver in both untreated and STZ-treated mice. Culture of B16-BL6/Luc cells in medium containing over 45 mg/dl glucose hardly affected the proliferation of the cells, whereas the addition of plasma of STZ-treated mice to the medium significantly increased the number of cells. Plasma samples of STZ-treated mice receiving PEG-catalase exhibited no such effect on proliferation. These findings indicate that a hyperglycemia-induced increase in oxidative stress is involved in the acceleration of tumor metastasis, and the removal of systemic hydrogen peroxide by PEG-catalase can inhibit the progression of diabetic conditions and tumor metastasis in diabetes.
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Affiliation(s)
- Mai Ikemura
- Department of Drug Delivery Research, Kyoto University, Sakyo-ku, Kyoto, Japan
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Ferreira AK, Freitas VM, Levy D, Ruiz JLM, Bydlowski SP, Rici REG, Filho OMR, Chierice GO, Maria DA. Anti-angiogenic and anti-metastatic activity of synthetic phosphoethanolamine. PLoS One 2013; 8:e57937. [PMID: 23516420 PMCID: PMC3597720 DOI: 10.1371/journal.pone.0057937] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2012] [Accepted: 01/30/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Renal cell carcinoma (RCC) is the most common type of kidney cancer, and represents the third most common urological malignancy. Despite the advent of targeted therapies for RCC and the improvement of the lifespan of patients, its cost-effectiveness restricted the therapeutic efficacy. In a recent report, we showed that synthetic phosphoethanolamine (Pho-s) has a broad antitumor activity on a variety of tumor cells and showed potent inhibitor effects on tumor progress in vivo. METHODOLOGY/PRINCIPAL FINDINGS We show that murine renal carcinoma (Renca) is more sensitive to Pho-s when compared to normal immortalized rat proximal tubule cells (IRPTC) and human umbilical vein endothelial cells (HUVEC). In vitro anti-angiogenic activity assays show that Pho-s inhibits endothelial cell proliferation, migration and tube formation. In addition, Pho-s has anti-proliferative effects on HUVEC by inducing a cell cycle arrest at the G2/M phase. It causes a decrease in cyclin D1 mRNA, VEGFR1 gene transcription and VEGFR1 receptor expression. Pho-s also induces nuclear fragmentation and affects the organization of the cytoskeleton through the disruption of actin filaments. Additionally, Pho-s induces apoptosis through the mitochondrial pathway. The putative therapeutic potential of Pho-s was validated in a renal carcinoma model, on which our remarkable in vivo results show that Pho-s potentially inhibits lung metastasis in nude mice, with a superior efficacy when compared to Sunitinib. CONCLUSIONS/SIGNIFICANCE Taken together, our findings provide evidence that Pho-s is a compound that potently inhibits lung metastasis, suggesting that it is a promising novel candidate drug for future developments.
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Affiliation(s)
- Adilson Kleber Ferreira
- Biochemistry and Biophysical Laboratory, Butantan Institute, Sao Paulo, Brazil
- Experimental Physiopathology, Faculty of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Vanessa Morais Freitas
- Department of Cell and Developmental Biology, University of Sao Paulo, Sao Paulo, Brazil
| | - Débora Levy
- Laboratory of Genetics and Molecular Hematology (LIM-31), Faculty of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Jorge Luiz Mária Ruiz
- Laboratory of Genetics and Molecular Hematology (LIM-31), Faculty of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Sergio Paulo Bydlowski
- Laboratory of Genetics and Molecular Hematology (LIM-31), Faculty of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Rose Eli Grassi Rici
- Department of Surgery, Faculty of the Veterinary Medicine and Zootecny, University of Sao Paulo, Sao Paulo, Brazil
| | | | | | - Durvanei Augusto Maria
- Biochemistry and Biophysical Laboratory, Butantan Institute, Sao Paulo, Brazil
- Experimental Physiopathology, Faculty of Medicine, University of Sao Paulo, Sao Paulo, Brazil
- * E-mail:
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15
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Gupta SC, Hevia D, Patchva S, Park B, Koh W, Aggarwal BB. Upsides and downsides of reactive oxygen species for cancer: the roles of reactive oxygen species in tumorigenesis, prevention, and therapy. Antioxid Redox Signal 2012; 16:1295-322. [PMID: 22117137 PMCID: PMC3324815 DOI: 10.1089/ars.2011.4414] [Citation(s) in RCA: 505] [Impact Index Per Article: 42.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
SIGNIFICANCE Extensive research during the last quarter century has revealed that reactive oxygen species (ROS) produced in the body, primarily by the mitochondria, play a major role in various cell-signaling pathways. Most risk factors associated with chronic diseases (e.g., cancer), such as stress, tobacco, environmental pollutants, radiation, viral infection, diet, and bacterial infection, interact with cells through the generation of ROS. RECENT ADVANCES ROS, in turn, activate various transcription factors (e.g., nuclear factor kappa-light-chain-enhancer of activated B cells [NF-κB], activator protein-1, hypoxia-inducible factor-1α, and signal transducer and activator of transcription 3), resulting in the expression of proteins that control inflammation, cellular transformation, tumor cell survival, tumor cell proliferation and invasion, angiogenesis, and metastasis. Paradoxically, ROS also control the expression of various tumor suppressor genes (p53, Rb, and PTEN). Similarly, γ-radiation and various chemotherapeutic agents used to treat cancer mediate their effects through the production of ROS. Interestingly, ROS have also been implicated in the chemopreventive and anti-tumor action of nutraceuticals derived from fruits, vegetables, spices, and other natural products used in traditional medicine. CRITICAL ISSUES These statements suggest both "upside" (cancer-suppressing) and "downside" (cancer-promoting) actions of the ROS. Thus, similar to tumor necrosis factor-α, inflammation, and NF-κB, ROS act as a double-edged sword. This paradox provides a great challenge for researchers whose aim is to exploit ROS stress for the development of cancer therapies. FUTURE DIRECTIONS the various mechanisms by which ROS mediate paradoxical effects are discussed in this article. The outstanding questions and future directions raised by our current understanding are discussed.
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Affiliation(s)
- Subash C Gupta
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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16
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Pavlides S, Vera I, Gandara R, Sneddon S, Pestell RG, Mercier I, Martinez-Outschoorn UE, Whitaker-Menezes D, Howell A, Sotgia F, Lisanti MP. Warburg meets autophagy: cancer-associated fibroblasts accelerate tumor growth and metastasis via oxidative stress, mitophagy, and aerobic glycolysis. Antioxid Redox Signal 2012; 16:1264-84. [PMID: 21883043 PMCID: PMC3324816 DOI: 10.1089/ars.2011.4243] [Citation(s) in RCA: 224] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
SIGNIFICANCE Here, we review certain recent advances in oxidative stress and tumor metabolism, which are related to understanding the contributions of the microenvironment in promoting tumor growth and metastasis. In the early 1920s, Otto Warburg, a Nobel Laureate, formulated a hypothesis to explain the "fundamental basis" of cancer, based on his observations that tumors displayed a metabolic shift toward glycolysis. In 1963, Christian de Duve, another Nobel Laureate, first coined the phrase auto-phagy, derived from the Greek words "auto" and "phagy," meaning "self" and "eating." RECENT ADVANCES Now, we see that these two ideas (autophagy and aerobic glycolysis) physically converge in the tumor stroma. First, cancer cells secrete hydrogen peroxide. Then, as a consequence, oxidative stress in cancer-associated fibroblasts drives autophagy, mitophagy, and aerobic glycolysis. CRITICAL ISSUES This "parasitic" metabolic coupling converts the stroma into a "factory" for the local production of recycled and high-energy nutrients (such as L-lactate)-to fuel oxidative mitochondrial metabolism in cancer cells. We believe that Warburg and de Duve would be pleased with this new two-compartment model for understanding tumor metabolism. It adds a novel stromal twist to two very well-established cancer paradigms: aerobic glycolysis and autophagy. FUTURE DIRECTIONS Undoubtedly, these new metabolic models will foster the development of novel biomarkers, and corresponding therapies, to achieve the goal of personalized cancer medicine. Given the central role that oxidative stress plays in this process, new powerful antioxidants should be developed in the fight against cancer.
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Affiliation(s)
- Stephanos Pavlides
- Department of Stem Cell Biology & Regenerative Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania, PA 19107, USA
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Sotgia F, Whitaker-Menezes D, Martinez-Outschoorn UE, Flomenberg N, Birbe RC, Witkiewicz AK, Howell A, Philp NJ, Pestell RG, Lisanti MP. Mitochondrial metabolism in cancer metastasis: visualizing tumor cell mitochondria and the "reverse Warburg effect" in positive lymph node tissue. Cell Cycle 2012; 11:1445-54. [PMID: 22395432 DOI: 10.4161/cc.19841] [Citation(s) in RCA: 142] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
We have recently proposed a new two-compartment model for understanding the Warburg effect in tumor metabolism. In this model, glycolytic stromal cells produce mitochondrial fuels (L-lactate and ketone bodies) that are then transferred to oxidative epithelial cancer cells, driving OXPHOS and mitochondrial metabolism. Thus, stromal catabolism fuels anabolic tumor growth via energy transfer. We have termed this new cancer paradigm the "reverse Warburg effect," because stromal cells undergo aerobic glycolysis, rather than tumor cells. To assess whether this mechanism also applies during cancer cell metastasis, we analyzed the bioenergetic status of breast cancer lymph node metastases, by employing a series of metabolic protein markers. For this purpose, we used MCT4 to identify glycolytic cells. Similarly, we used TO MM20 and COX staining as markers of mitochondrial mass and OXPHOS activity, respectively. Consistent with the "reverse Warburg effect," our results indicate that metastatic breast cancer cells amplify oxidative mitochondrial metabolism (OXPHOS) and that adjacent stromal cells are glycolytic and lack detectable mitochondria. Glycolytic stromal cells included cancer-associated fibroblasts, adipocytes and inflammatory cells. Double labeling experiments with glycolytic (MCT4) and oxidative (TO MM20 or COX) markers directly shows that at least two different metabolic compartments co-exist, side-by-side, within primary tumors and their metastases. Since cancer-associated immune cells appeared glycolytic, this observation may also explain how inflammation literally "fuels" tumor progression and metastatic dissemination, by "feeding" mitochondrial metabolism in cancer cells. Finally, MCT4(+) and TO MM20(-) "glycolytic" cancer cells were rarely observed, indicating that the conventional "Warburg effect" does not frequently occur in cancer-positive lymph node metastases.
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Affiliation(s)
- Federica Sotgia
- The Jefferson Stem Cell Biology and Regenerative Medicine Center, Thomas Jefferson University, Philadelphia, PA, USA.
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Abstract
PURPOSE Although oxidative stress is implicated in renal cell carcinoma pathogenesis, to our knowledge changes in oxidative stress parameters in patients who undergo surgery for renal cell carcinoma have not been studied previously. We investigated the status of oxidative stress in patients with renal cell carcinoma. MATERIALS AND METHODS Reactive oxygen species, nitric oxide and glutathione were measured in the blood of 68 patients with renal tumor and in 30 age matched normal controls. Levels were measured again 1 week, and 1 and 2 months postoperatively in patients who underwent surgery for renal cell carcinoma. Levels of superoxide dismutase, catalase and lipid peroxidation were measured in tumor tissue and in normal renal parenchyma in 51 patients with renal tumor. RESULTS Significantly increased reactive oxygen species and nitric oxide, and decreased glutathione were observed in patients with renal cell carcinoma compared to normal subjects and in patients with benign tumors. Superoxide dismutase and lipid peroxidation were increased and catalase was decreased in tumor tissue compared to normal renal tissue. Oxidative stress correlated with renal cell carcinoma grade and stage but decreased after curative resection. Patients with metastatic disease had persistently increased oxidative stress parameters. Antioxidant enzyme levels in benign tumor tissue were significantly higher than in renal cell carcinoma. CONCLUSIONS Patients with renal cell carcinoma have increased oxidative stress, which is effectively alleviated by curative resection. In patients with benign tumors antioxidant defense mechanisms maintain normal redox status.
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Zheng Y, Nishikawa M, Ikemura M, Yamashita F, Hashida M. Development of Bone-Targeted Catalase Derivatives for Inhibition of Bone Metastasis of Tumor Cells in Mice. J Pharm Sci 2012; 101:552-7. [DOI: 10.1002/jps.22773] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 08/29/2011] [Accepted: 09/08/2011] [Indexed: 12/14/2022]
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20
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Zhang Y, Du Y, Le W, Wang K, Kieffer N, Zhang J. Redox control of the survival of healthy and diseased cells. Antioxid Redox Signal 2011; 15:2867-908. [PMID: 21457107 DOI: 10.1089/ars.2010.3685] [Citation(s) in RCA: 120] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Abstract Cellular redox homeostasis is the first line of defense against diverse stimuli and is crucial for various biological processes. Reactive oxygen species (ROS), byproducts of numerous cellular events, may serve in turn as signaling molecules to regulate cellular processes such as proliferation, differentiation, and apoptosis. However, when overproduced ROS fail to be scavenged by the antioxidant system, they may damage cellular components, giving rise to senescent, degenerative, or fatal lesions in cells. Accordingly, this review not only covers general mechanisms of ROS production under different conditions, but also focuses on various types of ROS-involved diseases, including atherosclerosis, ischemia/reperfusion injury, diabetes mellitus, neurodegenerative diseases, and cancer. In addition, potentially therapeutic agents and approaches are reviewed in a relatively comprehensive manner. However, due to the complexity of ROS and their cellular impacts, we believe that the goal to design more effective approaches or agents may require a better understanding of mechanisms of ROS production, particularly their multifaceted impacts in disease at biochemical, molecular, genetic, and epigenetic levels. Thus, it requires additional tools of omics in systems biology to achieve such a goal. Antioxid. Redox Signal. 15, 2867-2908.
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Affiliation(s)
- Yuxing Zhang
- Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences (SIBS), Chinese Academy of Sciences (CAS), Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, China
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Sotgia F, Martinez-Outschoorn UE, Howell A, Pestell RG, Pavlides S, Lisanti MP. Caveolin-1 and cancer metabolism in the tumor microenvironment: markers, models, and mechanisms. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2011; 7:423-67. [PMID: 22077552 DOI: 10.1146/annurev-pathol-011811-120856] [Citation(s) in RCA: 224] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Caveolins are a family of membrane-bound scaffolding proteins that compartmentalize and negatively regulate signal transduction. Recent studies have implicated a loss of caveolin-1 (Cav-1) expression in the pathogenesis of human cancers. Loss of Cav-1 expression in cancer-associated fibroblasts results in an activated tumor microenvironment, thereby driving early tumor recurrence, metastasis, and poor clinical outcome in breast and prostate cancers. We describe various paracrine signaling mechanism(s) by which the loss of stromal Cav-1 promotes tumor progression, including fibrosis, extracellular matrix remodeling, and the metabolic/catabolic reprogramming of cancer-associated fibroblast, to fuel the growth of adjacent tumor cells. It appears that oxidative stress is the root cause of initiation of the loss of stromal Cav-1 via autophagy, which provides further impetus for the use of antioxidants in anticancer therapy. Finally, we discuss the functional role of Cav-1 in epithelial cancer cells.
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Affiliation(s)
- Federica Sotgia
- The Jefferson Stem Cell Biology and Regenerative Medicine Center, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA.
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22
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Lisanti MP, Martinez-Outschoorn UE, Lin Z, Pavlides S, Whitaker-Menezes D, Pestell RG, Howell A, Sotgia F. Hydrogen peroxide fuels aging, inflammation, cancer metabolism and metastasis: the seed and soil also needs "fertilizer". Cell Cycle 2011; 10:2440-9. [PMID: 21734470 PMCID: PMC3180186 DOI: 10.4161/cc.10.15.16870] [Citation(s) in RCA: 170] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Accepted: 06/18/2011] [Indexed: 01/13/2023] Open
Abstract
In 1889, Dr. Stephen Paget proposed the "seed and soil" hypothesis, which states that cancer cells (the seeds) need the proper microenvironment (the soil) for them to grow, spread and metastasize systemically. In this hypothesis, Dr. Paget rightfully recognized that the tumor microenvironment has an important role to play in cancer progression and metastasis. In this regard, a series of recent studies have elegantly shown that the production of hydrogen peroxide, by both cancer cells and cancer-associated fibroblasts, may provide the necessary "fertilizer," by driving accelerated aging, DNA damage, inflammation and cancer metabolism, in the tumor microenvironment. By secreting hydrogen peroxide, cancer cells and fibroblasts are mimicking the behavior of immune cells (macrophages/neutrophils), driving local and systemic inflammation, via the innate immune response (NFκB). Thus, we should consider using various therapeutic strategies (such as catalase and/or other anti-oxidants) to neutralize the production of cancer-associated hydrogen peroxide, thereby preventing tumor-stroma co-evolution and metastasis. The implications of these findings for overcoming chemo-resistance in cancer cells are also discussed in the context of hydrogen peroxide production and cancer metabolism.
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Affiliation(s)
- Michael P Lisanti
- The Jefferson Stem Cell Biology and Regenerative Medicine Center, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA.
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Nishizaki C, Nishikawa M, Yata T, Yamada T, Takahashi Y, Oku M, Yurimoto H, Sakai Y, Nakanishi K, Takakura Y. Inhibition of surgical trauma-enhanced peritoneal dissemination of tumor cells by human catalase derivatives in mice. Free Radic Biol Med 2011; 51:773-9. [PMID: 21664457 DOI: 10.1016/j.freeradbiomed.2011.05.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 05/19/2011] [Accepted: 05/20/2011] [Indexed: 11/20/2022]
Abstract
Surgical trauma, which is inevitably associated with the surgical removal of cancer, has been reported to accelerate tumor metastasis. The close association of reactive oxygen species with the trauma and tumor metastasis supports the possibility of using antioxidants for the inhibition of metastasis. To inhibit surgical trauma-enhanced peritoneal dissemination, human catalase (hCAT) derivatives, i.e., hCAT-nona-arginine peptide (hCAT-R9) and hCAT-albumin-binding peptide (hCAT-ABP), were designed to increase the retention time of the antioxidant enzyme in the abdominal cavity after intraperitoneal administration. Both (125)I-labeled derivatives showed significantly prolonged retention in the cavity compared to (125)I-hCAT. Cauterization of the cecum of mice with a hot iron, an experimental model of surgical trauma, induced abdominal adhesions. In addition, cauterization followed by colon26 tumor cell inoculation increased lipid peroxidation in the cecum and mRNA expression of molecules associated with tissue repair/adhesion and inflammation in the peritoneum. hCAT derivatives significantly suppressed the increased mRNA expression. The cauterization also increased the number of tumor cells in the abdominal organs, and the number was significantly reduced by hCAT-R9 or hCAT-ABP. These results indicate that hCAT-R9 and hCAT-ABP, both of which have a long retention time in the peritoneal cavity, can be effective at inhibiting surgery-induced peritoneal metastasis.
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Affiliation(s)
- Chika Nishizaki
- Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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Martinez-Outschoorn UE, Lin Z, Trimmer C, Flomenberg N, Wang C, Pavlides S, Pestell RG, Howell A, Sotgia F, Lisanti MP. Cancer cells metabolically "fertilize" the tumor microenvironment with hydrogen peroxide, driving the Warburg effect: implications for PET imaging of human tumors. Cell Cycle 2011; 10:2504-20. [PMID: 21778829 DOI: 10.4161/cc.10.15.16585] [Citation(s) in RCA: 238] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Previously, we proposed that cancer cells behave as metabolic parasites, as they use targeted oxidative stress as a "weapon" to extract recycled nutrients from adjacent stromal cells. Oxidative stress in cancer-associated fibroblasts triggers autophagy and mitophagy, resulting in compartmentalized cellular catabolism, loss of mitochondrial function, and the onset of aerobic glycolysis, in the tumor stroma. As such, cancer-associated fibroblasts produce high-energy nutrients (such as lactate and ketones) that fuel mitochondrial biogenesis, and oxidative metabolism in cancer cells. We have termed this new energy-transfer mechanism the "reverse Warburg effect." To further test the validity of this hypothesis, here we used an in vitro MCF7-fibroblast co-culture system, and quantitatively measured a variety of metabolic parameters by FACS analysis (analogous to laser-capture micro-dissection). Mitochondrial activity, glucose uptake, and ROS production were measured with highly-sensitive fluorescent probes (MitoTracker, NBD-2-deoxy-glucose, and DCF-DA). Interestingly, using this approach, we directly show that cancer cells initially secrete hydrogen peroxide that then triggers oxidative stress in neighboring fibroblasts. Thus, oxidative stress is contagious (spreads like a virus) and is propagated laterally and vectorially from cancer cells to adjacent fibroblasts. Experimentally, we show that oxidative stress in cancer-associated fibroblasts quantitatively reduces mitochondrial activity, and increases glucose uptake, as the fibroblasts become more dependent on aerobic glycolysis. Conversely, co-cultured cancer cells show significant increases in mitochondrial activity, and corresponding reductions in both glucose uptake and GLUT1 expression. Pre-treatment of co-cultures with extracellular catalase (an anti-oxidant enzyme that detoxifies hydrogen peroxide) blocks the onset of oxidative stress, and potently induces the death of cancer cells, likely via starvation. Given that cancer-associated fibroblasts show the largest increases in glucose uptake, we suggest that PET imaging of human tumors, with Fluoro-2-deoxy-D-glucose (F-2-DG), may be specifically detecting the tumor stroma, rather than epithelial cancer cells.
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Affiliation(s)
- Ubaldo E Martinez-Outschoorn
- The Jefferson Stem Cell Biology and Regenerative Medicine Center, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
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Lisanti MP, Martinez-Outschoorn UE, Pavlides S, Whitaker-Menezes D, Pestell RG, Howell A, Sotgia F. Accelerated aging in the tumor microenvironment: connecting aging, inflammation and cancer metabolism with personalized medicine. Cell Cycle 2011; 10:2059-63. [PMID: 21654190 DOI: 10.4161/cc.10.13.16233] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Cancer is thought to be a disease associated with aging. Interestingly, normal aging is driven by the production of ROS and mitochondrial oxidative stress, resulting in the cumulative accumulation of DNA damage. Here, we discuss how ROS signaling, NFκB- and HIF1-activation in the tumor microenvironment induces a form of "accelerated aging," which leads to stromal inflammation and changes in cancer cell metabolism. Thus, we present a unified model where aging (ROS), inflammation (NFκB) and cancer metabolism (HIF1), act as co-conspirators to drive autophagy ("self-eating") in the tumor stroma. Then, autophagy in the tumor stroma provides high-energy "fuel" and the necessary chemical building blocks, for accelerated tumor growth and metastasis. Stromal ROS production acts as a "mutagenic motor" and allows cancer cells to buffer-at a distance-exactly how much of a mutagenic stimulus they receive, further driving tumor cell selection and evolution. Surviving cancer cells would be selected for the ability to induce ROS more effectively in stromal fibroblasts, so they could extract more nutrients from the stroma via autophagy. If lethal cancer is a disease of "accelerated host aging" in the tumor stroma, then cancer patients may benefit from therapy with powerful antioxidants. Antioxidant therapy should block the resulting DNA damage, and halt autophagy in the tumor stroma, effectively "cutting off the fuel supply" for cancer cells. These findings have important new implications for personalized cancer medicine, as they link aging, inflammation and cancer metabolism with novel strategies for more effective cancer diagnostics and therapeutics.
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Affiliation(s)
- Michael P Lisanti
- The Jefferson Stem Cell Biology and Regenerative Medicine Center, Thomas Jefferson University, Philadelphia, PA, USA.
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26
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Witkiewicz AK, Kline J, Queenan M, Brody JR, Tsirigos A, Bilal E, Pavlides S, Ertel A, Sotgia F, Lisanti MP. Molecular profiling of a lethal tumor microenvironment, as defined by stromal caveolin-1 status in breast cancers. Cell Cycle 2011; 10:1794-809. [PMID: 21521946 DOI: 10.4161/cc.10.11.15675] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Breast cancer progression and metastasis are driven by complex and reciprocal interactions, between epithelial cancer cells and their surrounding stromal microenvironment. We have previously shown that a loss of stromal Cav-1 expression is associated with an increased risk of early tumor recurrence, metastasis and decreased overall survival. To identify and characterize the signaling pathways that are activated in Cav-1 negative tumor stroma, we performed gene expression profiling using laser microdissected breast cancer-associated stroma. Tumor stroma was laser capture microdissected from 4 cases showing high stromal Cav-1 expression and 7 cases with loss of stromal Cav-1. Briefly, we identified 238 gene transcripts that were upregulated and 232 gene transcripts that were downregulated in the stroma of tumors showing a loss of Cav-1 expression (p ≤ 0.01 and fold-change ≥ 1.5). Gene set enrichment analysis (GSEA) revealed "stemness," inflammation, DNA damage, aging, oxidative stress, hypoxia, autophagy and mitochondrial dysfunction in the tumor stroma of patients lacking stromal Cav-1. Our findings are consistent with the recently proposed "Reverse Warburg Effect" and the "Autophagic Tumor Stroma Model of Cancer Metabolism." In these two complementary models, cancer cells induce oxidative stress in adjacent stromal cells, which then forces these stromal fibroblasts to undergo autophagy/mitophagy and aerobic glycolysis. This, in turn, produces recycled nutrients (lactate, ketones and glutamine) to feed anabolic cancer cells, which are undergoing oxidative mitochondrial metabolism. Our results are also consistent with previous biomarker studies showing that the increased expression of known autophagy markers (such as ATG16L and the cathepsins) in the tumor stroma is specifically associated with metastatic tumor progression and/or poor clinical outcome.
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Ikemura M, Nishikawa M, Hyoudou K, Kobayashi Y, Yamashita F, Hashida M. Improvement of Insulin Resistance by Removal of Systemic Hydrogen Peroxide by PEGylated Catalase in Obese Mice. Mol Pharm 2010; 7:2069-76. [DOI: 10.1021/mp100110c] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Mai Ikemura
- Department of Drug Delivery Research and Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, and Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Makiya Nishikawa
- Department of Drug Delivery Research and Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, and Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Kenji Hyoudou
- Department of Drug Delivery Research and Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, and Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yuki Kobayashi
- Department of Drug Delivery Research and Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, and Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Fumiyoshi Yamashita
- Department of Drug Delivery Research and Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, and Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
| | - Mitsuru Hashida
- Department of Drug Delivery Research and Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, and Institute for Integrated Cell-Material Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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Augustyniak A, Bartosz G, Čipak A, Duburs G, Horáková L, Łuczaj W, Majekova M, Odysseos AD, Rackova L, Skrzydlewska E, Stefek M, Štrosová M, Tirzitis G, Venskutonis PR, Viskupicova J, Vraka PS, Žarković N. Natural and synthetic antioxidants: An updated overview. Free Radic Res 2010; 44:1216-62. [DOI: 10.3109/10715762.2010.508495] [Citation(s) in RCA: 177] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Joosse A, De Vries E, van Eijck CH, Eggermont AMM, Nijsten T, Coebergh JWW. Reactive oxygen species and melanoma: an explanation for gender differences in survival? Pigment Cell Melanoma Res 2010; 23:352-64. [PMID: 20218981 DOI: 10.1111/j.1755-148x.2010.00694.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Epidemiological research consistently shows a female advantage in melanoma survival. So far, no definite candidate for the explanation of this phenomenon has emerged. We propose that gender differences in oxidative stress caused by radical oxygen species (ROS) underlie these survival differences. It is known that males express lower amounts of anti-oxidant enzymes, resulting in more oxidative stress than females. The primary melanoma environment is characterized by high ROS levels, from exogenous sources as well as ROS production within melanoma cells themselves. ROS are known to be able to promote metastasis through a wide variety of mechanisms. We hypothesize that the higher levels of ROS in men enhance selection of ROS-resistance in melanoma cells. Subsequently, ROS can stimulate the metastatic potential of melanoma cells. In addition, due to the lower anti-oxidant defenses in men, ROS produced by melanoma cells cause more damage to healthy tissues surrounding the tumor, further stimulating metastasis. Therefore, ROS may explain the observed differences between males and females in melanoma survival.
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Affiliation(s)
- Arjen Joosse
- Department of Public Health, Erasmus University Medical Centre, Rotterdam, The Netherlands.
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Hattori K, Nishikawa M, Watcharanurak K, Ikoma A, Kabashima K, Toyota H, Takahashi Y, Takahashi R, Watanabe Y, Takakura Y. Sustained exogenous expression of therapeutic levels of IFN-gamma ameliorates atopic dermatitis in NC/Nga mice via Th1 polarization. THE JOURNAL OF IMMUNOLOGY 2010; 184:2729-35. [PMID: 20107184 DOI: 10.4049/jimmunol.0900215] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The short in vivo half-life of IFN-gamma can prevent the cytokine from inducing immunological changes that are favorable for the treatment of Th2-dominant diseases, such as atopic dermatitis. To examine whether a sustained supply of IFN-gamma is effective in regulating the balance of Th lymphocyte subpopulations, plasmid vector encoding mouse IFN-gamma, pCpG-Mugamma, or pCMV-Mugamma was injected into the tail vein of NC/Nga mice, a model for human atopic dermatitis. A single hydrodynamic injection of a CpG motif reduced pCpG-Mugamma at a dose of 0.14 microg/mouse resulted in a sustained concentration of IFN-gamma in the serum, and the concentration was maintained at >300 pg/ml over 80 d. The pCpG-Mugamma-mediated IFN-gamma gene transfer was associated with an increase in the serum concentration of IL-12, reduced production of IgE, and inhibition of mRNA expression of IL-4, -5, -10, -13, and -17 and thymus and activation-regulated chemokine in the spleen. These immunological changes were not clearly observed in mice receiving two injections of 20 microg pCMV-Mugamma, a CpG-replete plasmid DNA, because of the transient nature of the expression from the vector. The mice receiving pCpG-Mugamma showed a significant reduction in the severity of skin lesions and in the intensity of their scratching behavior. Furthermore, high transepidermal water loss, epidermal thickening, and infiltration of lymphocytes and eosinophils, all of which were obvious in the untreated mice, were significantly inhibited. These results indicate that an extraordinary sustained IFN-gamma expression induces favorable immunological changes, leading to a Th1-dominant state in the atopic dermatitis model.
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Affiliation(s)
- Kayoko Hattori
- Department of Biopharmaceutics and Drug Metabolism, Doshisha Women's College of Liberal Arts, Kyotanabe, Kyoto, Japan
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Yata T, Nishikawa M, Nishizaki C, Oku M, Yurimoto H, Sakai Y, Takakura Y. Control of hypoxia-induced tumor cell adhesion by cytophilic human catalase. Free Radic Biol Med 2009; 47:1772-8. [PMID: 19804819 DOI: 10.1016/j.freeradbiomed.2009.09.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2009] [Revised: 09/12/2009] [Accepted: 09/28/2009] [Indexed: 10/20/2022]
Abstract
Hypoxia-induced reactive oxygen species (ROS)-mediated expression of a variety of genes in endothelial cells has been suggested to be involved in abnormal cell adhesion. To prevent this by accelerated binding of catalase to endothelial cells, human catalase (hCAT), an enzyme catalyzing the decomposition of hydrogen peroxide, was fused with three repeats of arginine-glycine-aspartic acid peptide or nona arginine peptide at the C-terminal to obtain hCAT-(RGD)3 and hCAT-R9, respectively. Human CAT and its derivatives were expressed in yeast Pichia pastoris and purified. The specific activity and secondary structure of hCAT-(RGD)3 and hCAT-R9 were close to those of hCAT, but these derivatives showed higher binding to the mouse aortic vascular endothelial cell line MAEC than hCAT, indicating that they are cytophilic derivatives. Hypoxic treatment of MAEC increased the intracellular ROS level, the binding of mouse melanoma cells, and the activity of transcription factors, hypoxia inducible factor-1 and nuclear factor-kappaB. hCAT-(RGD)3 or hCAT-R9 efficiently inhibited these changes compared with hCAT. These results indicate that cytophilic hCAT-(RGD)3 and hCAT-R9 are effective in inhibiting hypoxia-induced tumor cell adhesion to endothelial cells.
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Affiliation(s)
- Tomoya Yata
- Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Science, Kyoto University, Sakyo-ku, Kyoto 606-8501, Sakyo-ku, Japan
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Multiple antigen-targeted immunotherapy with alpha-galactosylceramide-loaded and genetically engineered dendritic cells derived from embryonic stem cells. J Immunother 2009; 32:219-31. [PMID: 19242378 DOI: 10.1097/cji.0b013e318194b63b] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Numerous tumor-associated antigens (TAA) have been identified and their use in immunotherapy is considered to be promising. For TAA-based immunotherapy to be broadly applied as standard anticancer medicine, methods for active immunization should be improved. In the present study, we demonstrated the efficacy of multiple TAA-targeted dendritic cell (DC) vaccines and also the additive effects of loading alpha-galactosylceramide to DC using mouse melanoma models. On the basis of previously established methods to generate DC from mouse embryonic stem cells (ES-DC), 4 kinds of genetically modified ES-DC, which expressed the melanoma-associated antigens, glypican-3, secreted protein acidic and rich in cysteine, tyrosinase-related protein-2, or gp100 were generated. Anticancer effects elicited by immunization with the ES-DC were assessed in preventive and also therapeutic settings in the models of peritoneal dissemination and spontaneous metastasis to lymph node and lung. The in vivo transfer of a mixture of 3 kinds of TAA-expressing ES-DC protected the recipient mice from melanoma cells more effectively than the transfer of ES-DC expressing single TAA, thus demonstrating the advantage of multiple as compared with single TAA-targeted immunotherapy. Loading ES-DC with alpha-galactosylceramide further enhanced the anticancer effects, suggesting that excellent synergic effects of TAA-specific cytotoxic T lymphocytes and natural killer T cells against metastatic melanoma can be achieved by using genetically modified ES-DC. With the aid of advancing technologies related to pluripotent stem cells, induced pluripotent stem cells, and ES cells, clinical application of DC highly potent in eliciting anticancer immunity will be realized in the near future.
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Nishikawa M, Hashida M, Takakura Y. Catalase delivery for inhibiting ROS-mediated tissue injury and tumor metastasis. Adv Drug Deliv Rev 2009; 61:319-26. [PMID: 19385054 DOI: 10.1016/j.addr.2009.01.001] [Citation(s) in RCA: 128] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Reactive oxygen species (ROS) have been suggested to be involved in a variety of human diseases. Catalase, an enzyme degrading hydrogen peroxide, can be used as a therapeutic agent for such diseases, but its successful application will depend on the distribution of the enzyme to the sites where ROS are generated. Chemical modification techniques have been used to control the tissue distribution of catalase, and delivery to hepatocytes (galactosylation), liver nonparenchymal cells (mannosylation or succinylation), kidney (cationization) and the blood pool (PEGylation) has been achieved. The effectiveness of catalase delivery has been demonstrated in animal models for hepatic ischemia/reperfusion injury, chemical-induced tissue injuries and tumor metastasis to the liver, lung and peritoneal organs. Significant inhibition was observed in the ROS-mediated oxidative tissue damages and ROS-mediated upregulation of expression of genes responsible for recruitment of inflammatory cells and for metastatic growth of tumor cells. Because oxygen plays a fundamental key role in our life and oxidative stress is implicated in a wide variety of human diseases, catalase delivery could have wide application in the near future.
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Hyoudou K, Nishikawa M, Ikemura M, Kobayashi Y, Mendelsohn A, Miyazaki N, Tabata Y, Yamashita F, Hashida M. Prevention of pulmonary metastasis from subcutaneous tumors by binary system-based sustained delivery of catalase. J Control Release 2009; 137:110-5. [PMID: 19361547 DOI: 10.1016/j.jconrel.2009.04.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2008] [Revised: 03/09/2009] [Accepted: 04/04/2009] [Indexed: 11/25/2022]
Abstract
Catalase delivery can be effective in inhibiting reactive oxygen species (ROS)-mediated acceleration of tumor metastasis. Our previous studies have demonstrated that increasing the plasma half-life of catalase by pegylation (PEG-catalase) significantly increases its potency of inhibiting experimental pulmonary metastasis in mice. In the present study, a biodegradable gelatin hydrogel formulation was used to further increase the circulation time of PEG-catalase. Implantation of (111)In-PEG-catalase/hydrogel into subcutaneous tissues maintained the radioactivity in plasma for more than 14 days. Then, the effect of the PEG-catalase/hydrogel on spontaneous pulmonary metastasis of tumor cells was evaluated in mice with subcutaneous tumor of B16-BL6/Luc cells, a murine melanoma cell line stably expressing luciferase. Measuring luciferase activity in the lung revealed that the PEG-catalase/hydrogel significantly (P<0.05) inhibited the pulmonary metastasis compared with PEG-catalase solution. These findings indicate that sustaining catalase activity in the blood circulation achieved by the use of pegylation and gelatin hydrogel can reduce the incidence of tumor cell metastasis.
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Affiliation(s)
- Kenji Hyoudou
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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Kobayashi Y, Nishikawa M, Hyoudou K, Yamashita F, Hashida M. Hydrogen peroxide-mediated nuclear factor kappaB activation in both liver and tumor cells during initial stages of hepatic metastasis. Cancer Sci 2008; 99:1546-52. [PMID: 18754865 PMCID: PMC11158348 DOI: 10.1111/j.1349-7006.2008.00856.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Various factors involved in tumor metastasis are regulated by the transcription factor nuclear factor kappaB (NF-kappaB). Because NF-kappaB activation may contribute to establishment of hepatic metastasis, its activation in liver cells and tumor cells was separately evaluated in a mouse model of hepatic metastasis. pNF-kappaB-Luc, a firefly luciferase-expressing plasmid DNA depending on the NF-kappaB activity, was injected into the tail vein of mice by the hydrodynamics-based procedure, a well-established method for gene transfer to BALB/c male mouse liver. The luciferase activity in the liver was significantly increased by an intraportal inoculation of murine adenocarcinoma colon26 cells, but not of peritoneal macrophages, suggesting that the NF-kappaB in liver cells is activated when tumor cells enter the hepatic circulation. Then, colon26 cells stably transfected with pNF-kappaB-Luc were inoculated. The firefly luciferase activity, an indicator of NF-kappaB activity in tumor cells, was significantly increased when colon26/NFkappaB-Luc cells were inoculated into the portal vein of BALB/c male mice. The NF-kappaB activation in both liver and tumor cells was significantly inhibited by injection of catalase derivatives, which have been reported to inhibit hepatic metastasis of tumor cells. These findings indicate for the first time that NF-kappaB, a key agent regulating the expression of various molecules involved in tumor metastasis, is activated in both liver and tumor cells during the initial stages of tumor metastasis through a hydrogen peroxide mediated pathway. Thus, the removal of hydrogen peroxide will be a promising approach to treating hepatic metastasis.
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Affiliation(s)
- Yuki Kobayashi
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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Nishikawa M, Takakura Y, Hashida M. Pharmacokinetic considerations regarding non-viral cancer gene therapy. Cancer Sci 2008; 99:856-62. [PMID: 18294288 PMCID: PMC11158855 DOI: 10.1111/j.1349-7006.2008.00774.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Cancer gene therapy, in which pharmacologically active compounds are administered to cancer patients in a genetic form, has been examined not only in animals but also in cancer patients. Viral vector-induced severe side effects in patients have greatly underscored the importance of non-viral gene transfer methods. Even though the importance of pharmacokinetics is undoubtedly understood in the development of anticancer therapies, its importance has been less well recognized in non-viral cancer gene therapy. When transgene products express their activity within transduced cells, such as herpes simplex virus type 1 thymidine kinase and short hairpin RNA, the pharmacokinetics of the vectors and the expression profiles of the transgenes will determine the efficacy of gene transfer. The percentage of cells transduced is highly important if few by-stander effects are expected. If transgene products are secreted from cells into the blood circulation, such as interferons and interleukins, the pharmacokinetics of transgenes becomes a matter of significant importance. Then, any approach to increasing the level and duration of transgene expression will increase the therapeutic effects of cancer gene therapy. Here we review the pharmacokinetics of both non-viral vectors and transgene products, and discuss what should be done to achieve safer and more effective non-viral cancer gene therapy.
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Affiliation(s)
- Makiya Nishikawa
- Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan.
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Nishikawa M. Reactive oxygen species in tumor metastasis. Cancer Lett 2008; 266:53-9. [PMID: 18362051 DOI: 10.1016/j.canlet.2008.02.031] [Citation(s) in RCA: 279] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2008] [Revised: 01/31/2008] [Accepted: 02/11/2008] [Indexed: 01/27/2023]
Abstract
Tumor metastasis is attributed not only to the abnormalities of cancer cells, but also to changes induced by the interaction of cancer cells and surrounding cells/tissues. The host immune response to cancer cells may contribute to an increased incidence of tumor metastasis. Surgical removal of tumor tissues can trigger tumor recurrence and metastatic tumor growth in distant organs. An important class of molecules involved in these events is the reactive oxygen species (ROS), which have been identified as involved in not only to tumor metastasis but also most disease processes. ROS will contribute to various aspects of malignant tumors, including carcinogenesis, aberrant growth, metastasis, and angiogenesis. High-level ROS, which can be reached by several anti-cancer treatments, suppresses tumor metastasis by destroying cancer cells because of the oxidative nature of the molecules. On the other hand, sublethal levels of ROS can induce additional changes in DNA of tumor cells to make those cells malignant, stimulate the proliferation of cancer cells, and activate the expression of various molecules, some of which assist cancer cells to form metastatic colonies. Thus, a precise understanding how ROS are generated and involved in tumor metastasis will help us to design better strategies to overcome such life-threatening events.
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Affiliation(s)
- Makiya Nishikawa
- Department of Biopharmaceutics and Drug Metabolism, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan.
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SOD derivatives prevent metastatic tumor growth aggravated by tumor removal. Clin Exp Metastasis 2008; 25:531-6. [DOI: 10.1007/s10585-008-9165-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2006] [Accepted: 03/11/2008] [Indexed: 11/27/2022]
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Ma SF, Nishikawa M, Hyoudou K, Takahashi R, Ikemura M, Kobayashi Y, Yamashita F, Hashida M. Combining cisplatin with cationized catalase decreases nephrotoxicity while improving antitumor activity. Kidney Int 2007; 72:1474-82. [PMID: 17898699 DOI: 10.1038/sj.ki.5002556] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Cisplatin is frequently used to treat solid tumors; however, nephrotoxicity due to its reactive oxygen species-mediated effect limits its use. We tested the ability of cationized catalase, a catalase derivative, to inhibit nephrotoxicity in cisplatin-treated mice. Immunohistochemical analysis showed that the catalase derivative concentrated in the kidney more efficiently than native catalase. Repeated intravenous doses of cationized catalase significantly decreased cisplatin-induced changes in serum creatinine, blood urea nitrogen, nitrite/nitrate levels, lactic dehydrogenase activity, and renal total glutathione and malondialdehyde contents. In addition, cationized catalase effectively blunted cisplatin-induced proximal tubule necrosis but had no significant effect on the cisplatin-induced inhibition of subcutaneous tumor growth. Repeated doses of catalase, especially cationized catalase, significantly increased the survival of cisplatin-treated tumor-bearing mice preventing cisplatin-induced acute death. Our studies suggest that catalase and its derivatives inhibit cisplatin-induced nephrotoxicity, thus improving the efficiency of cisplatin to treat solid tumors.
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Affiliation(s)
- S-F Ma
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, Japan
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Hyoudou K, Nishikawa M, Ikemura M, Kobayashi Y, Mendelsohn A, Miyazaki N, Tabata Y, Yamashita F, Hashida M. Cationized catalase-loaded hydrogel for growth inhibition of peritoneally disseminated tumor cells. J Control Release 2007; 122:151-8. [PMID: 17651858 DOI: 10.1016/j.jconrel.2007.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2007] [Revised: 06/19/2007] [Accepted: 07/01/2007] [Indexed: 11/26/2022]
Abstract
A previous study demonstrated that ethylenediamine-conjugated catalase (ED-catalase) inhibits peritoneal dissemination of tumor cells in mice. To increase its inhibitory effects by sustained release, a hydrogel formulation of ED-catalase was prepared using a biodegradable hydrogel consisting of an acidic gelatin with an isoelectric point of 5.0. Although intraperitoneally injected ED-catalase solution rapidly disappeared from the cavity, more than 10% of ED-catalase remained even at 14 days after implantation of ED-catalase/hydrogel into the cavity. Then, the effect of ED-catalase/hydrogel on peritoneal dissemination of tumor cells was evaluated by measuring the luciferase activity of abdominal organs after intraperitoneal inoculation of colon26/Luc, a colon adenocarcinoma stably expressing luciferase. ED-catalase/hydrogel showed a significantly (P<0.05) greater effect on inhibiting the growth of tumor cells than ED-catalase solution, demonstrating the importance of the retention of ED-catalase within the cavity as far as inhibition is concerned. Serial in vivo images of luciferase activity revealed that the ED-catalase/hydrogel significantly (P<0.05) retarded the growth rate of tumor cells. Survival of tumor-bearing mice supported the findings obtained with the luminescence-based analyses. These findings indicate that the sustained release of ED-catalase from hydrogels into the cavity is highly effective in inhibiting the growth of peritoneally disseminated tumor cells.
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Affiliation(s)
- Kenji Hyoudou
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, Japan
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Hyoudou K, Nishikawa M, Kobayashi Y, Mukai S, Ikemura M, Kuramoto Y, Yamashita F, Hashida M. Inhibition of peritoneal dissemination of tumor cells by cationized catalase in mice. J Control Release 2007; 119:121-7. [PMID: 17382424 DOI: 10.1016/j.jconrel.2007.02.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2006] [Revised: 02/06/2007] [Accepted: 02/06/2007] [Indexed: 11/21/2022]
Abstract
To inhibit peritoneal dissemination of tumor cells by destroying hydrogen peroxide, ethylenediamine-conjugated catalase (ED-catalase), a cationized derivative, was injected into the peritoneal cavity of mice. ED-catalase had about a 6-fold longer retention time within the cavity than unmodified catalase. Peritoneal dissemination was evaluated after intraperitoneal inoculation of B16-BL6/Luc, a melanoma clone stably expressing firefly luciferase, by measuring luciferase activity. An intraperitoneal injection of ED-catalase just before tumor inoculation significantly reduced the number of tumor cells in peritoneal organs. Catalase was less effective, confirming the importance of the retention of the enzyme within the cavity for the inhibition. ED-catalase injected 3 days after tumor inoculation was also effective in inhibiting tumor growth. A real-time quantitative PCR analysis revealed that ED-catalase significantly suppressed the expression of intercellular adhesion molecule-1. Daily dosing of ED-catalase for 7 days significantly prolonged the survival of tumor-bearing mice. These findings indicate that ED-catalase, which is retained for a long time within the peritoneal cavity, is highly effective in inhibiting the adhesion and proliferation of peritoneally disseminated tumor cells, and in increasing the survival of tumor-bearing mice.
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Affiliation(s)
- Kenji Hyoudou
- Department of Drug Delivery Research, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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