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Panda B, Tripathy A, Patra S, Kullu B, Tabrez S, Jena M. Imperative connotation of SODs in cancer: Emerging targets and multifactorial role of action. IUBMB Life 2024; 76:592-613. [PMID: 38600696 DOI: 10.1002/iub.2821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/14/2024] [Indexed: 04/12/2024]
Abstract
Superoxide dismutase (SOD) is a crucial enzyme responsible for the redox homeostasis inside the cell. As a part of the antioxidant defense system, it plays a pivotal role in the dismutation of the superoxide radicals (O 2 - ) generated mainly by the oxidative phosphorylation, which would otherwise bring out the redox dysregulation, leading to higher reactive oxygen species (ROS) generation and, ultimately, cell transformation, and malignancy. Several studies have shown the involvement of ROS in a wide range of human cancers. As SOD is the key enzyme in regulating ROS, any change, such as a transcriptional change, epigenetic remodeling, functional alteration, and so forth, either activates the proto-oncogenes or aberrant signaling cascades, which results in cancer. Interestingly, in some cases, SODs act as tumor promoters instead of suppressors. Furthermore, SODs have also been known to switch their role during tumor progression. In this review, we have tried to give a comprehensive account of SODs multifactorial role in various human cancers so that SODs-based therapeutic strategies could be made to thwart cancers.
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Affiliation(s)
- Biswajit Panda
- Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar, India
| | - Ankita Tripathy
- Post Graduate Department of Botany, Utkal University, Bhubaneswar, India
| | - Srimanta Patra
- Post Graduate Department of Botany, Berhampur University, Berhampur, India
| | - Bandana Kullu
- Post Graduate Department of Botany, Utkal University, Bhubaneswar, India
| | - Shams Tabrez
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mrutyunjay Jena
- Post Graduate Department of Botany, Berhampur University, Berhampur, India
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2
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Madej M, Kruszniewska-Rajs C, Kimsa-Dudek M, Synowiec-Wojtarowicz A, Chrobak E, Bębenek E, Boryczka S, Głuszek S, Adamska J, Kubica S, Matykiewicz J, Gola JM. The Influence of Betulin and Its Derivatives on Selected Colorectal Cancer Cell Lines' Viability and Their Antioxidant Systems. Cells 2024; 13:1368. [PMID: 39195258 DOI: 10.3390/cells13161368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 08/08/2024] [Accepted: 08/16/2024] [Indexed: 08/29/2024] Open
Abstract
Oxidative stress is considered one of the main reasons for the development of colorectal cancer (CRC). Depending on the stage of the disease, variable activity of the main antioxidant enzymes, i.e., superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx), is observed. Due to limited treatment methods for CRC, new substances with potential antitumor activity targeting pathways related to oxidative stress are currently being sought, with substances of natural origin, including betulin, leading the way. The betulin molecule is chemically modified to obtain new derivatives with improved pharmacokinetic properties and higher biological activity. The aim of this study was to evaluate the effects of betulin and its new derivatives on viability and major antioxidant systems in colorectal cancer cell lines. The study showed that betulin and its derivative EB5 affect the antioxidant enzyme activity to varying degrees at both the protein and mRNA levels. The SW1116 cell line is more resistant to the tested compounds than RKO, which may be due to differences in the genetic and epigenetic profiles of these lines.
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Affiliation(s)
- Marcel Madej
- Department of Molecular Biology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Celina Kruszniewska-Rajs
- Department of Molecular Biology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Magdalena Kimsa-Dudek
- Department of Nutrigenomics and Bromatology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Agnieszka Synowiec-Wojtarowicz
- Department of Nutrigenomics and Bromatology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Elwira Chrobak
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Ewa Bębenek
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Stanisław Boryczka
- Department of Organic Chemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Stanisław Głuszek
- Department of Surgical Medicine with the Laboratory of Medical Genetics, Institute of Medical Sciences, Collegium Medicum, Jan Kochanowski University, 25-317 Kielce, Poland
- Department of Clinic Oncological Surgery Holycross Center, 25-317 Kielce, Poland
| | - Jolanta Adamska
- Department of Molecular Biology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Sebastian Kubica
- Department of Molecular Biology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
| | - Jarosław Matykiewicz
- Department of Surgical Medicine with the Laboratory of Medical Genetics, Institute of Medical Sciences, Collegium Medicum, Jan Kochanowski University, 25-317 Kielce, Poland
- Department of Clinic Oncological Surgery Holycross Center, 25-317 Kielce, Poland
| | - Joanna Magdalena Gola
- Department of Molecular Biology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland
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Kim YA, Choi Y, Kim TG, Jeong J, Yu S, Kim T, Sheen K, Lee Y, Choi T, Park YH, Kang MS, Kim MS. Multi-System-Level Analysis with RNA-Seq on Pterygium Inflammation Discovers Association between Inflammatory Responses, Oxidative Stress, and Oxidative Phosphorylation. Int J Mol Sci 2024; 25:4789. [PMID: 38732006 PMCID: PMC11083828 DOI: 10.3390/ijms25094789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
A pterygium is a common conjunctival degeneration and inflammatory condition. It grows onto the corneal surface or limbus, causing blurred vision and cosmetic issues. Ultraviolet is a well-known risk factor for the development of a pterygium, although its pathogenesis remains unclear, with only limited understanding of its hereditary basis. In this study, we collected RNA-seq from both pterygial tissues and conjunctival tissues (as controls) from six patients (a total of twelve biological samples) and retrieved publicly available data, including eight pterygium samples and eight controls. We investigated the intrinsic gene regulatory mechanisms closely linked to the inflammatory reactions of pterygiums and compared Asian (Korea) and the European (Germany) pterygiums using multiple analysis approaches from different perspectives. The increased expression of antioxidant genes in response to oxidative stress and DNA damage implies an association between these factors and pterygium development. Also, our comparative analysis revealed both similarities and differences between Asian and European pterygiums. The decrease in gene expressions involved in the three primary inflammatory signaling pathways-JAK/STAT, MAPK, and NF-kappa B signaling-suggests a connection between pathway dysfunction and pterygium development. We also observed relatively higher activity of autophagy and antioxidants in the Asian group, while the European group exhibited more pronounced stress responses against oxidative stress. These differences could potentially be necessitated by energy-associated pathways, specifically oxidative phosphorylation.
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Affiliation(s)
- Ye-Ah Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Yueun Choi
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Tae Gi Kim
- Department of Ophthalmology, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea;
| | - Jisu Jeong
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Sanghyeon Yu
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Taeyoon Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Kisung Sheen
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul 02453, Republic of Korea
| | - Yoonsung Lee
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
| | - Taesoo Choi
- Department of Urology, School of Medicine, Kyung Hee University, Seoul 05278, Republic of Korea;
| | - Yong Hwan Park
- Department of Microbiology, Ajou University School of Medicine, Suwon 16499, Republic of Korea;
| | - Min Seok Kang
- Department of Ophthalmology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul 02447, Republic of Korea
| | - Man S. Kim
- Translational-Transdisciplinary Research Center, Clinical Research Institute, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul 05278, Republic of Korea; (Y.-A.K.); (Y.C.); (J.J.); (S.Y.); (T.K.); (K.S.); (Y.L.)
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Glanzner WG, da Silva Sousa LR, Gutierrez K, de Macedo MP, Currin L, Perecin F, Bordignon V. NRF2 attenuation aggravates detrimental consequences of metabolic stress on cultured porcine parthenote embryos. Sci Rep 2024; 14:2973. [PMID: 38316940 PMCID: PMC10844622 DOI: 10.1038/s41598-024-53480-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 01/31/2024] [Indexed: 02/07/2024] Open
Abstract
The nuclear factor erythroid 2-related factor 2 (NRF2) is a crucial transcription factor that plays a central role in regulating oxidative stress pathways by binding antioxidant response elements, but its involvement in early embryo development remains largely unexplored. In this study, we demonstrated that NRF2 mRNA is expressed in porcine embryos from day 2 to day 7 of development, showing a decrease in abundance from day 2 to day 3, followed by an increase on day 5 and day 7. Comparable levels of NRF2 mRNA were observed between early-cleaving and more developmental competent embryos and late-cleaving and less developmental competent embryos on day 4 and day 5 of culture. Attenuation of NRF2 mRNA significantly decreased development of parthenote embryos to the blastocyst stage. When NRF2-attenuated embryos were cultured in presence of 3.5 mM or 7 mM glucose, development to the blastocyst stage was dramatically decreased in comparison to the control group (15.9% vs. 27.8% for 3.5 mM glucose, and 5.4% vs. 25.3% for 7 mM glucose). Supplementation of melatonin moderately improved the development of NRF2-attenuated embryos cultured in presence of 0.6 mM glucose. These findings highlight the importance of NRF2 in early embryo development, particularly in embryos cultured under metabolically stressful conditions.
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Affiliation(s)
- Werner Giehl Glanzner
- Department of Animal Science, McGill University, 21111, Lakeshore Road, Sainte Anne de Bellevue, QC, H9X 3V9, Canada.
| | - Leticia Rabello da Silva Sousa
- Veterinary Medicine Department, College of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, SP, Brazil
| | - Karina Gutierrez
- Department of Animal Science, McGill University, 21111, Lakeshore Road, Sainte Anne de Bellevue, QC, H9X 3V9, Canada
| | - Mariana Priotto de Macedo
- Department of Animal Science, McGill University, 21111, Lakeshore Road, Sainte Anne de Bellevue, QC, H9X 3V9, Canada
| | - Luke Currin
- Department of Animal Science, McGill University, 21111, Lakeshore Road, Sainte Anne de Bellevue, QC, H9X 3V9, Canada
| | - Felipe Perecin
- Veterinary Medicine Department, College of Animal Science and Food Engineering, University of São Paulo (USP), Pirassununga, SP, Brazil
| | - Vilceu Bordignon
- Department of Animal Science, McGill University, 21111, Lakeshore Road, Sainte Anne de Bellevue, QC, H9X 3V9, Canada.
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Liu W, Wang B, Zhou M, Liu D, Chen F, Zhao X, Lu Y. Redox Dysregulation in the Tumor Microenvironment Contributes to Cancer Metastasis. Antioxid Redox Signal 2023; 39:472-490. [PMID: 37002890 DOI: 10.1089/ars.2023.0272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Significance: Redox dysregulation under pathological conditions results in excessive reactive oxygen species (ROS) accumulation, leading to oxidative stress and cellular oxidative damage. ROS function as a double-edged sword to modulate various types of cancer development and survival. Recent Advances: Emerging evidence has underlined that ROS impact the behavior of both cancer cells and tumor-associated stromal cells in the tumor microenvironment (TME), and these cells have developed complex systems to adapt to high ROS environments during cancer progression. Critical Issues: In this review, we integrated current progress regarding the impact of ROS on cancer cells and tumor-associated stromal cells in the TME and summarized how ROS production influences cancer cell behaviors. Then, we summarized the distinct effects of ROS during different stages of tumor metastasis. Finally, we discussed potential therapeutic strategies for modulating ROS for the treatment of cancer metastasis. Future Directions: Targeting the ROS regulation during cancer metastasis will provide important insights into the design of effective single or combinatorial cancer therapeutic strategies. Well-designed preclinical studies and clinical trials are urgently needed to understand the complex regulatory systems of ROS in the TME. Antioxid. Redox Signal. 39, 472-490.
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Affiliation(s)
- Wanning Liu
- College of Life Sciences, Northwest University, Xi'an, China
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Boda Wang
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Mingzhen Zhou
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Dan Liu
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Fulin Chen
- College of Life Sciences, Northwest University, Xi'an, China
| | - Xiaodi Zhao
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yuanyuan Lu
- State Key Laboratory of Cancer Biology and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
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Ponzetti M, Rucci N, Falone S. RNA methylation and cellular response to oxidative stress-promoting anticancer agents. Cell Cycle 2023; 22:870-905. [PMID: 36648057 PMCID: PMC10054233 DOI: 10.1080/15384101.2023.2165632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/03/2023] [Indexed: 01/18/2023] Open
Abstract
Disruption of the complex network that regulates redox homeostasis often underlies resistant phenotypes, which hinder effective and long-lasting cancer eradication. In addition, the RNA methylome-dependent control of gene expression also critically affects traits of cellular resistance to anti-cancer agents. However, few investigations aimed at establishing whether the epitranscriptome-directed adaptations underlying acquired and/or innate resistance traits in cancer could be implemented through the involvement of redox-dependent or -responsive signaling pathways. This is unexpected mainly because: i) the effectiveness of many anti-cancer approaches relies on their capacity to promote oxidative stress (OS); ii) altered redox milieu and reprogramming of mitochondrial function have been acknowledged as critical mediators of the RNA methylome-mediated response to OS. Here we summarize the current state of understanding on this topic, as well as we offer new perspectives that might lead to original approaches and strategies to delay or prevent the problem of refractory cancer and tumor recurrence.
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Affiliation(s)
- Marco Ponzetti
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L'Aquila, Italy
| | - Nadia Rucci
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L'Aquila, Italy
| | - Stefano Falone
- Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila, Italy
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Polymorphisms of Antioxidant Enzymes SOD2 (rs4880) and GPX1 (rs1050450) Are Associated with Bladder Cancer Risk or Its Aggressiveness. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59010131. [PMID: 36676755 PMCID: PMC9860962 DOI: 10.3390/medicina59010131] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/19/2022] [Accepted: 12/29/2022] [Indexed: 01/12/2023]
Abstract
Background and Objectives: Oxidative stress induced by increased reactive oxygen species (ROS) production plays an important role in carcinogenesis. The entire urinary tract is continuously exposed to numerous potentially mutagenic environmental agents which generate ROS during their biotransformation. In first line defense against free radicals, antioxidant enzymes superoxide dismutase (SOD2) and glutathione peroxidase (GPX1) both have essential roles. Altered enzyme activity and decreased ability of neutralizing free oxygen radicals as a consequence of genetic polymorphisms in genes encoding these two enzymes are well described so far. This study aimed to investigate the association of GPX1 (rs1050450) and SOD2 (rs4880) genetic variants with the urothelial bladder cancer (UBC) risk independently and in combination with smoking. Furthermore, we aimed to determine whether the UBC stage and pathological grade were influenced by GPX1 and SOD2 polymorphisms. Material and Methods: The study population included 330 patients with UBC (mean age 65 ± 10.3 years) and 227 respective controls (mean age 63.4 ± 7.9 years). Single nucleotide polymorphism (SNP) of GPX1 (rs1050450) was analyzed using the PCR-RFLP, while SOD2 (rs4880) SNP was analyzed using the q-PCR method. Results: Our results showed that UBC risk was significantly increased among carriers of at least one variant SOD2 Val allele compared to the SOD2 Ala16Ala homozygotes (OR = 1.55, p = 0.03). Moreover, this risk was even more pronounced in smokers with at least one variant SOD2 Val allele, since they have even 7.5 fold higher UBC risk (OR = 7.5, p < 0.001). Considering GPX1 polymorphism, we have not found an association with UBC risk. However, GPX1 genotypes distribution differed significantly according to the tumor stage (p ˂ 0.049) and pathohistological grade (p ˂ 0.018). Conclusion: We found that SOD2 genetic polymorphism is associated with the risk of UBC development independently and in combination with cigarette smoking. Furthermore, we showed that GPX1 genetic polymorphism is associated with the aggressiveness of the disease.
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Koc ZC, Sollars VE, Bou Zgheib N, Rankin GO, Koc EC. Evaluation of mitochondrial biogenesis and ROS generation in high-grade serous ovarian cancer. Front Oncol 2023; 13:1129352. [PMID: 36937395 PMCID: PMC10014927 DOI: 10.3389/fonc.2023.1129352] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/08/2023] [Indexed: 03/05/2023] Open
Abstract
Introduction Ovarian cancer is one of the leading causes of death for women with cancer worldwide. Energy requirements for tumor growth in epithelial high-grade serous ovarian cancer (HGSOC) are fulfilled by a combination of aerobic glycolysis and oxidative phosphorylation (OXPHOS). Although reduced OXPHOS activity has emerged as one of the significant contributors to tumor aggressiveness and chemoresistance, up-regulation of mitochondrial antioxidant capacity is required for matrix detachment and colonization into the peritoneal cavity to form malignant ascites in HGSOC patients. However, limited information is available about the mitochondrial biogenesis regulating OXPHOS capacity and generation of mitochondrial reactive oxygen species (mtROS) in HGSOC. Methods To evaluate the modulation of OXPHOS in HGSOC tumor samples and ovarian cancer cell lines, we performed proteomic analyses of proteins involved in mitochondrial energy metabolism and biogenesis and formation of mtROS by immunoblotting and flow cytometry, respectively. Results and discussion We determined that the increased steady-state expression levels of mitochondrial- and nuclear-encoded OXPHOS subunits were associated with increased mitochondrial biogenesis in HGSOC tumors and ovarian cancer cell lines. The more prominent increase in MT-COII expression was in agreement with significant increase in mitochondrial translation factors, TUFM and DARS2. On the other hand, the ovarian cancer cell lines with reduced OXPHOS subunit expression and mitochondrial translation generated the highest levels of mtROS and significantly reduced SOD2 expression. Evaluation of mitochondrial biogenesis suggested that therapies directed against mitochondrial targets, such as those involved in transcription and translation machineries, should be considered in addition to the conventional chemotherapies in HGSOC treatment.
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Affiliation(s)
- Zeynep C. Koc
- Department of Obstetrics, Gynecology and Reproductive Sciences, Temple University, Philadelphia, PA, United States
| | - Vincent E. Sollars
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States
| | - Nadim Bou Zgheib
- Edwards Comprehensive Cancer Center, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States
| | - Gary O. Rankin
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States
| | - Emine C. Koc
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States
- *Correspondence: Emine C. Koc,
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Chewing Behavior Attenuates Lung-Metastasis-Promoting Effects of Chronic Stress in Breast-Cancer Lung-Metastasis Model Mice. Cancers (Basel) 2022; 14:cancers14235950. [PMID: 36497431 PMCID: PMC9740082 DOI: 10.3390/cancers14235950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/30/2022] [Accepted: 11/30/2022] [Indexed: 12/03/2022] Open
Abstract
We assessed the effects of chewing behavior on the lung-metastasis-promoting impact of chronic psychological-stress in mice. Human breast-cancer cells (MDA-MB-231) were injected into the tail vein of female nude mice. Mice were randomly divided into stress, stress-with-chewing, and control groups. We created chronic stress by placing mice in small transparent tubes for 45 min, 3 times a day for 7 weeks. Mice in the stress-with-chewing group were allowed to chew wooden sticks during the experimental period. The histopathological examination showed that chronic psychological-stress increased lung metastasis, and chewing behavior attenuated the stress-related lung metastasis of breast-cancer cells. Chewing behavior decreased the elevated level of the serum corticosterone, normalized the increased expression of glucocorticoid, and attenuated the elevated expression of adrenergic receptors in lung tissues. We also found that chewing behavior normalized the elevated expression of inducible nitric oxide synthase, 4-hydroxynonenal, and superoxide dismutase 2 in lung tissues, induced by chronic stress. The present study demonstrated that chewing behavior could attenuate the promoting effects of chronic psychological-stress on the lung metastasis of breast-cancer cells, by regulating stress hormones and their receptors, and the downstream signaling-molecules, involving angiogenesis and oxidative stress.
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NEAT1 Confers Radioresistance to Hepatocellular Carcinoma Cells by Inducing PINK1/Parkin-Mediated Mitophagy. Int J Mol Sci 2022; 23:ijms232214397. [PMID: 36430876 PMCID: PMC9692527 DOI: 10.3390/ijms232214397] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/14/2022] [Accepted: 11/18/2022] [Indexed: 11/22/2022] Open
Abstract
A long noncoding RNA, nuclear paraspeckle assembly transcript 1 (NEAT1) variant 1 (NEAT1v1), confers radioresistance to hepatocellular carcinoma (HCC) cells by inducing autophagy via γ-aminobutyric acid A receptor-associated protein (GABARAP). Radiation induces oxidative stress to damage cellular components and organelles, but it remains unclear how NEAT1v1 protects HCC cells from radiation-induced oxidative stress via autophagy. To address this, we precisely investigated NEAT1v1-induced autophagy in irradiated HCC cell lines. X-ray irradiation significantly increased cellular and mitochondrial oxidative stress and mitochondrial DNA content in HCC cells while NEAT1v1 suppressed them. NEAT1v1 concomitantly induced the phosphatase and tensin homolog-induced kinase 1 (PINK1)/parkin-mediated mitophagy. Interestingly, parkin expression was constitutively upregulated in NEAT1v1-overexpressing HCC cells, leading to increased mitochondrial parkin levels. Superoxide dismutase 2 (SOD2) was also upregulated by NEAT1v1, and GABARAP or SOD2 knockdown in NEAT1v1-overexpressing cells increased mitochondrial oxidative stress and mitochondrial DNA content after irradiation. Moreover, it was suggested that SOD2 was involved in NEAT1v1-induced parkin expression, and that GABARAP promoted parkin degradation via mitophagy. This study highlights the unprecedented roles of NEAT1v1 in connecting radioresistance and mitophagy in HCC.
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Multi-Omics Analysis Revealed a Significant Alteration of Critical Metabolic Pathways Due to Sorafenib-Resistance in Hep3B Cell Lines. Int J Mol Sci 2022; 23:ijms231911975. [PMID: 36233276 PMCID: PMC9569810 DOI: 10.3390/ijms231911975] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/16/2022] [Accepted: 09/25/2022] [Indexed: 11/09/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the second prominent cause of cancer-associated death worldwide. Usually, HCC is diagnosed in advanced stages, wherein sorafenib, a multiple target tyrosine kinase inhibitor, is used as the first line of treatment. Unfortunately, resistance to sorafenib is usually encountered within six months of treatment. Therefore, there is a critical need to identify the underlying reasons for drug resistance. In the present study, we investigated the proteomic and metabolomics alterations accompanying sorafenib resistance in hepatocellular carcinoma Hep3B cells by employing ultra-high-performance liquid chromatography quadrupole time of flight mass spectrometry (UHPLC-QTOF-MS). The Bruker Human Metabolome Database (HMDB) library was used to identify the differentially abundant metabolites through MetaboScape 4.0 software (Bruker). For protein annotation and identification, the Uniprot proteome for Homo sapiens (Human) database was utilized through MaxQuant. The results revealed that 27 metabolites and 18 proteins were significantly dysregulated due to sorafenib resistance in Hep3B cells compared to the parental phenotype. D-alanine, L-proline, o-tyrosine, succinic acid and phosphatidylcholine (PC, 16:0/16:0) were among the significantly altered metabolites. Ubiquitin carboxyl-terminal hydrolase isozyme L1, mitochondrial superoxide dismutase, UDP-glucose-6-dehydrogenase, sorbitol dehydrogenase and calpain small subunit 1 were among the significantly altered proteins. The findings revealed that resistant Hep3B cells demonstrated significant alterations in amino acid and nucleotide metabolic pathways, energy production pathways and other pathways related to cancer aggressiveness, such as migration, proliferation and drug-resistance. Joint pathway enrichment analysis unveiled unique pathways, including the antifolate resistance pathway and other important pathways that maintain cancer cells' survival, growth, and proliferation. Collectively, the results identified potential biomarkers for sorafenib-resistant HCC and gave insights into their role in chemotherapeutic drug resistance, cancer initiation, progression and aggressiveness, which may contribute to better prognosis and chemotherapeutic outcomes.
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Kim YS, Tang PW, Welles JE, Pan W, Javed Z, Elhaw AT, Mythreye K, Kimball SR, Hempel N. HuR-dependent SOD2 protein synthesis is an early adaptation to anchorage-independence. Redox Biol 2022; 53:102329. [PMID: 35594792 PMCID: PMC9121325 DOI: 10.1016/j.redox.2022.102329] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/18/2022] [Accepted: 05/02/2022] [Indexed: 11/16/2022] Open
Abstract
During metastasis cancer cells must adapt to survive loss of anchorage and evade anoikis. An important pro-survival adaptation is the ability of metastatic tumor cells to increase their antioxidant capacity and restore cellular redox balance. Although much is known about the transcriptional regulation of antioxidant enzymes in response to stress, how cells acutely adapt to alter antioxidant enzyme levels is less well understood. Using ovarian cancer cells as a model, we demonstrate that an increase in mitochondrial superoxide dismutase SOD2 protein expression is a very early event initiated in response to detachment, an important step during metastasis that has been associated with increased oxidative stress. SOD2 protein synthesis is rapidly induced within 0.5-2 h of matrix detachment, and polyribosome profiling demonstrates an increase in the number of ribosomes bound to SOD2 mRNA, indicating an increase in SOD2 mRNA translation in response to anchorage-independence. Mechanistically, we find that anchorage-independence induces cytosolic accumulation of the RNA binding protein HuR/ELAVL1 and promotes HuR binding to SOD2 mRNA. Using HuR siRNA-mediated knockdown, we show that the presence of HuR is necessary for the increase in SOD2 mRNA association with the heavy polyribosome fraction and consequent nascent SOD2 protein synthesis in anchorage-independence. Cellular detachment also activates the stress-response mitogen-activated kinase p38, which is necessary for HuR-SOD2 mRNA interactions and induction of SOD2 protein output. These findings illustrate a novel translational regulatory mechanism of SOD2 by which ovarian cancer cells rapidly increase their mitochondrial antioxidant capacity as an acute stress response to anchorage-independence.
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Affiliation(s)
- Yeon Soo Kim
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Priscilla W Tang
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Jaclyn E Welles
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Weihua Pan
- Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Zaineb Javed
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Amal Taher Elhaw
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA
| | - Karthikeyan Mythreye
- Department of Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Scot R Kimball
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Nadine Hempel
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA; Department of Medicine, Division of Hematology/Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, PA, USA.
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13
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Wong SW, McCarroll J, Hsu K, Geczy CL, Tedla N. Intranasal Delivery of Recombinant S100A8 Protein Delays Lung Cancer Growth by Remodeling the Lung Immune Microenvironment. Front Immunol 2022; 13:826391. [PMID: 35655772 PMCID: PMC9152328 DOI: 10.3389/fimmu.2022.826391] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 03/30/2022] [Indexed: 12/03/2022] Open
Abstract
Lung cancer is the leading cause of cancer-related death worldwide. Increasing evidence indicates a critical role for chronic inflammation in lung carcinogenesis. S100A8 is a protein with reported pro- and anti-inflammatory functions. It is highly expressed in myeloid-derived suppressor cells (MDSC) that accumulate in the tumor microenvironment and abrogate effective anti-cancer immune responses. Mechanisms of MDSC-mediated immunosuppression include production of reactive oxygen species and nitric oxide, and depletion of L-arginine required for T cell function. Although S100A8 is expressed in MDSC, its role in the lung tumor microenvironment is largely unknown. To address this, mouse recombinant S100A8 was repeatedly administered intranasally to mice bearing orthotopic lung cancers. S100A8 treatment prolonged survival from 19 days to 28 days (p < 0.001). At midpoint of survival, whole lungs and bronchoalveolar lavage fluid (BALF) were collected and relevant genes/proteins measured. We found that S100A8 significantly lowered expression of cytokine genes and proteins that promote expansion and activation of MDSC in lungs and BALF from cancer-bearing mice. Moreover, S100A8 enhanced activities of antioxidant enzymes and suppressed production of nitrite to create a lung microenvironment conducive to cytotoxic lymphocyte expansion and function. In support of this, we found decreased MDSC numbers, and increased numbers of CD4+ T cells and natural killer T (NK-T) cells in lungs from cancer-bearing mice treated with S100A8. Ex-vivo treatment of splenocytes with S100A8 protein activated NK cells. Our results indicate that treatment with S100A8 may favourably modify the lung microenvironment to promote an effective immune response in lungs, thereby representing a new strategy that could complement current immunotherapies in lung cancer.
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Affiliation(s)
- Sze Wing Wong
- School of Medical Sciences and the Kirby Institute, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia.,Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia
| | - Joshua McCarroll
- Children's Cancer Institute, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia.,Australian Centre for Nanomedicine, UNSW Sydney, Sydney, NSW, Australia.,School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Kenneth Hsu
- School of Medical Sciences and the Kirby Institute, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
| | - Carolyn L Geczy
- School of Medical Sciences and the Kirby Institute, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
| | - Nicodemus Tedla
- School of Medical Sciences and the Kirby Institute, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
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14
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Costanzo-Garvey DL, Case AJ, Watson GF, Alsamraae M, Chatterjee A, Oberley-Deegan RE, Dutta S, Abdalla MY, Kielian T, Lindsey ML, Cook LM. Prostate cancer addiction to oxidative stress defines sensitivity to anti-tumor neutrophils. Clin Exp Metastasis 2022; 39:641-659. [PMID: 35604506 PMCID: PMC9338904 DOI: 10.1007/s10585-022-10170-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/24/2022] [Indexed: 01/17/2023]
Abstract
Bone metastatic prostate cancer (BM-PCa) remains one of the most difficult cancers to treat due to the complex interactions of cancer and stromal cells. We previously showed that bone marrow neutrophils elicit an anti-tumor immune response against BM-PCa. Further, we demonstrated that BM-PCa induces neutrophil oxidative burst, which has previously been identified to promote primary tumor growth of other cancers, and a goal of this study was to define the importance of neutrophil oxidative burst in BM-PCa. To do this, we first examined the impact of depletion of reactive oxygen species (ROS), via systemic deletion of the main source of ROS in phagocytes, NADPH oxidase (Nox)2, which we found to suppress prostate tumor growth in bone. Further, using pharmacologic ROS inhibitors and Nox2-null neutrophils, we found that ROS depletion specifically suppresses growth of androgen-insensitive prostate cancer cells. Upon closer examination using bulk RNA sequencing analysis, we identified that metastatic prostate cancer induces neutrophil transcriptomic changes that activates pathways associated with response to oxidative stress. In tandem, prostate cancer cells resist neutrophil anti-tumor response via extracellular (i.e., regulation of neutrophils) and intracellular alterations of glutathione synthesis, the most potent cellular antioxidant. These findings demonstrate that BM-PCa thrive under oxidative stress conditions and such that regulation of ROS and glutathione programming could be leveraged for targeting of BM-PCa progression.
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Affiliation(s)
- Diane L Costanzo-Garvey
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Med Center, Omaha, NE, 68198, USA
| | - Adam J Case
- Department of Psychiatry and Behavioral Sciences, Texas A&M College of Medicine, Bryan, TX, USA.,Department of Medical Physiology, Texas A&M College of Medicine, Bryan, TX, USA
| | - Gabrielle F Watson
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center and Omaha VA Medical Center, Omaha, NE, USA
| | - Massar Alsamraae
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Med Center, Omaha, NE, 68198, USA
| | - Arpita Chatterjee
- Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Rebecca E Oberley-Deegan
- Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Samikshan Dutta
- Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Maher Y Abdalla
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Med Center, Omaha, NE, 68198, USA
| | - Tammy Kielian
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Med Center, Omaha, NE, 68198, USA
| | - Merry L Lindsey
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center and Omaha VA Medical Center, Omaha, NE, USA
| | - Leah M Cook
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 985900 Nebraska Med Center, Omaha, NE, 68198, USA.
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15
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SOD2, a Potential Transcriptional Target Underpinning CD44-Promoted Breast Cancer Progression. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030811. [PMID: 35164076 PMCID: PMC8839817 DOI: 10.3390/molecules27030811] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 11/17/2022]
Abstract
CD44, a cell-adhesion molecule has a dual role in tumor growth and progression; it acts as a tumor suppressor as well as a tumor promoter. In our previous work, we developed a tetracycline-off regulated expression of CD44's gene in the breast cancer (BC) cell line MCF-7 (B5 clone). Using cDNA oligo gene expression microarray, we identified SOD2 (superoxide dismutase 2) as a potential CD44-downstream transcriptional target involved in BC metastasis. SOD2 gene belongs to the family of iron/manganese superoxide dismutase family and encodes a mitochondrial protein. SOD2 plays a role in cell proliferation and cell invasion via activation of different signaling pathways regulating angiogenic abilities of breast tumor cells. This review will focus on the findings supporting the underlying mechanisms associated with the oncogenic potential of SOD2 in the onset and progression of cancer, especially in BC and the potential clinical relevance of its various inhibitors.
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16
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Sod1 integrates oxygen availability to redox regulate NADPH production and the thiol redoxome. Proc Natl Acad Sci U S A 2022; 119:2023328119. [PMID: 34969852 PMCID: PMC8740578 DOI: 10.1073/pnas.2023328119] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2021] [Indexed: 12/12/2022] Open
Abstract
Cu/Zn superoxide dismutase (Sod1) is a key antioxidant enzyme, and its importance is underscored by the fact that its ablation in cell and animal models results in oxidative stress; metabolic defects; and reductions in cell proliferation, viability, and lifespan. Curiously, Sod1 detoxifies superoxide radicals (O2•−) in a manner that produces an oxidant as byproduct, hydrogen peroxide (H2O2). While much is known about the necessity of scavenging O2•−, it is less clear what the physiological roles of Sod1-derived H2O2 are. We discovered that Sod1-derived H2O2 plays an important role in antioxidant defense by stimulating the production of NADPH, a vital cellular reductant required for reactive oxygen species scavenging enzymes, as well as redox regulating a large network of enzymes. Cu/Zn superoxide dismutase (Sod1) is a highly conserved and abundant antioxidant enzyme that detoxifies superoxide (O2•−) by catalyzing its conversion to dioxygen (O2) and hydrogen peroxide (H2O2). Using Saccharomyces cerevisiae and mammalian cells, we discovered that a major aspect of the antioxidant function of Sod1 is to integrate O2 availability to promote NADPH production. The mechanism involves Sod1-derived H2O2 oxidatively inactivating the glycolytic enzyme, GAPDH, which in turn reroutes carbohydrate flux to the oxidative phase of the pentose phosphate pathway (oxPPP) to generate NADPH. The aerobic oxidation of GAPDH is dependent on and rate-limited by Sod1. Thus, Sod1 senses O2 via O2•− to balance glycolytic and oxPPP flux, through control of GAPDH activity, for adaptation to life in air. Importantly, this mechanism for Sod1 antioxidant activity requires the bulk of cellular Sod1, unlike for its role in protection against O2•− toxicity, which only requires <1% of total Sod1. Using mass spectrometry, we identified proteome-wide targets of Sod1-dependent redox signaling, including numerous metabolic enzymes. Altogether, Sod1-derived H2O2 is important for antioxidant defense and a master regulator of metabolism and the thiol redoxome.
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17
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Smethurst DGJ, Shcherbik N. Interchangeable utilization of metals: New perspectives on the impacts of metal ions employed in ancient and extant biomolecules. J Biol Chem 2021; 297:101374. [PMID: 34732319 PMCID: PMC8633580 DOI: 10.1016/j.jbc.2021.101374] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 02/08/2023] Open
Abstract
Metal ions provide considerable functionality across biological systems, and their utilization within biomolecules has adapted through changes in the chemical environment to maintain the activity they facilitate. While ancient earth's atmosphere was rich in iron and manganese and low in oxygen, periods of atmospheric oxygenation significantly altered the availability of certain metal ions, resulting in ion replacement within biomolecules. This adaptation mechanism has given rise to the phenomenon of metal cofactor interchangeability, whereby contemporary proteins and nucleic acids interact with multiple metal ions interchangeably, with different coordinated metals influencing biological activity, stability, and toxic potential. The ability of extant organisms to adapt to fluctuating metal availability remains relevant in a number of crucial biomolecules, including the superoxide dismutases of the antioxidant defense systems and ribonucleotide reductases. These well-studied and ancient enzymes illustrate the potential for metal interchangeability and adaptive utilization. More recently, the ribosome has also been demonstrated to exhibit interchangeable interactions with metal ions with impacts on function, stability, and stress adaptation. Using these and other examples, here we review the biological significance of interchangeable metal ions from a new angle that combines both biochemical and evolutionary viewpoints. The geochemical pressures and chemical properties that underlie biological metal utilization are discussed in the context of their impact on modern disease states and treatments.
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Affiliation(s)
- Daniel G J Smethurst
- Department for Cell Biology and Neuroscience, School of Osteopathic Medicine, Rowan University, Stratford, New Jersey, USA.
| | - Natalia Shcherbik
- Department for Cell Biology and Neuroscience, School of Osteopathic Medicine, Rowan University, Stratford, New Jersey, USA.
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18
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Skórska KB, Płaczkowska S, Prescha A, Porębska I, Kosacka M, Pawełczyk K, Zabłocka-Słowińska K. Serum Total SOD Activity and SOD1/2 Concentrations in Predicting All-Cause Mortality in Lung Cancer Patients. Pharmaceuticals (Basel) 2021; 14:1067. [PMID: 34832849 PMCID: PMC8622563 DOI: 10.3390/ph14111067] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/15/2021] [Accepted: 10/17/2021] [Indexed: 01/08/2023] Open
Abstract
Redox status disturbances are known during carcinogenesis and may have influence on patients' survival. However, the prediction of mortality in lung cancer patients based on serum total SOD activity, and concentrations of its isoforms, has not been studied to date. This prospective cohort study has following aims: (1) to evaluate the disturbances in serum SOD activity and SOD1/2 concentrations; (2) to assess the implications of these alterations with regard to biochemical variables and clinical data, and (3) to investigate the association between serum SOD activity, SOD1/2 concentrations, and all-cause mortality in lung cancer patients. Serum total SOD activity and SOD1, SOD2, albumin, CRP, and ceruloplasmin concentrations were determined in lung cancer patients (n = 190) and control subjects (n = 52). Additionally, patients were characterized in terms of biochemical, clinical, and sociodemographic data. Multiple Cox regression models were used to estimate the association between all-cause death and SOD-related parameters. All-cause mortality in lung cancer was positively associated with serum SOD1 and SOD2 concentrations. Clinical stage III and IV disease was the strongest predictor. The utility of the evaluated parameters in predicting overall survival was demonstrated only for SOD1. Serum SOD1 and SOD2 concentrations were shown to positively affect all-cause mortality in lung cancer patients, but SOD1 seems to be a better predictor than SOD2.
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Affiliation(s)
- Katarzyna Beata Skórska
- Department of Food Science and Dietetics, Wroclaw Medical University, ul. Borowska 211, 50-556 Wroclaw, Poland; (A.P.); (K.Z.-S.)
| | - Sylwia Płaczkowska
- Diagnostics Laboratory for Teaching and Research, Department of Laboratory Diagnostics Wroclaw Medical University, ul. Borowska 211a, 50-556 Wroclaw, Poland;
| | - Anna Prescha
- Department of Food Science and Dietetics, Wroclaw Medical University, ul. Borowska 211, 50-556 Wroclaw, Poland; (A.P.); (K.Z.-S.)
| | - Irena Porębska
- Department and Clinic of Pulmonology and Lung Cancers, Wroclaw Medical University, ul. Grabiszynska 105, 53-439 Wroclaw, Poland; (I.P.); (M.K.)
| | - Monika Kosacka
- Department and Clinic of Pulmonology and Lung Cancers, Wroclaw Medical University, ul. Grabiszynska 105, 53-439 Wroclaw, Poland; (I.P.); (M.K.)
| | - Konrad Pawełczyk
- Lower Silesian Centre of Lung Diseases, ul. Grabiszynska 105, 53-439 Wrocław, Poland;
| | - Katarzyna Zabłocka-Słowińska
- Department of Food Science and Dietetics, Wroclaw Medical University, ul. Borowska 211, 50-556 Wroclaw, Poland; (A.P.); (K.Z.-S.)
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Noh JK, Woo SR, Yun M, Lee MK, Kong M, Min S, Kim SI, Lee YC, Eun YG, Ko SG. SOD2- and NRF2-associated Gene Signature to Predict Radioresistance in Head and Neck Cancer. Cancer Genomics Proteomics 2021; 18:675-684. [PMID: 34479919 DOI: 10.21873/cgp.20289] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND We propose a novel prognostic biomarker-based strategy for increasing the efficacy of radiotherapy (RT) in head and neck squamous cell carcinoma (HNSCC). MATERIALS AND METHODS We identified genes associated with superoxide dismutase 2 (SOD2) and nuclear factor erythroid-2-related factor 2 (NRF2) from gene-expression data of The Cancer Genome Atlas (TCGA) by calculating Pearson correlation. Patients were divided into two groups using hierarchical clustering. Colony-formation assay was performed to determine radioresistance in HNSCC cell line CAL27. Pathway analysis was conducted using The Database for Annotation, Visualization and Integrated Discovery (DAVID). RESULTS We developed a 49-gene signature with SOD2- and NRF2-associated genes. Using mRNA expression data for the 49-gene signature, we performed hierarchical clustering to stratify patients into two subtypes, subtype A and B. In the TCGA cohort, subgroup A demonstrated a better prognosis than subgroup B in patients who received RT. The signature robustness was evaluated in other independent cohorts. We showed through colony-formation assay that depletion of SOD2 or NRF2 leads to increased radiosensitivity. CONCLUSION We identified and validated a robust gene signature of SOD2- and NRF2-associated genes in HNSCC and confirmed their link to radioresistance using in vitro assay, providing a novel biomarker for the evaluation of HNSCC prognosis.
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Affiliation(s)
- Joo Kyung Noh
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Seon Rang Woo
- Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Miyong Yun
- Department of Bioindustry and Bioresource Engineering, College of Life Sciences, Sejong University, Seoul, Republic of Korea
| | - Min Kyeong Lee
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Moonkyoo Kong
- Department of Radiation Oncology, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Soonki Min
- Department of Radiation Oncology, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Su Il Kim
- Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Young Chan Lee
- Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Young-Gyu Eun
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, Republic of Korea; .,Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - Seong-Gyu Ko
- Department of Preventive Medicine, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
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Wu Y, Guo Y, Yu H, Guo T. RNA editing affects cis-regulatory elements and predicts adverse cancer survival. Cancer Med 2021; 10:6114-6127. [PMID: 34319007 PMCID: PMC8419749 DOI: 10.1002/cam4.4146] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND RNA editing exerts critical impacts on numerous biological processes and thus are implicated in crucial human phenotypes, including tumorigenesis and prognosis. While previous studies have analyzed aggregate RNA editing activity at the sample level and associated it with overall cancer survival, there is not yet a large-scale disease-specific survival study to examine genome-wide RNA editing sites' prognostic value taking into account the host gene expression and clinical variables. METHODS In this study, we solved comprehensive Cox proportional models of disease-specific survival on individual RNA-editing sites plus host gene expression and critical demographic covariates. This allowed us to interrogate the prognostic value of a large number of RNA-editing sites at single-nucleotide resolution. RESULTS As a result, we identified 402 gene-proximal RNA-editing sites that generally predict adverse cancer survival. For example, an RNA-editing site residing in ZNF264 indicates poor survival of uterine corpus endometrial carcinoma, with a hazard ratio of 2.13 and an adjusted p-value of 4.07 × 10-7 . Some of these prognostic RNA-editing sites mediate the binding of RNA binding proteins and microRNAs, thus propagating their impacts to extensive regulatory targets. CONCLUSIONS In conclusion, RNA editing affects cis-regulatory elements and predicts adverse cancer survival.
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Affiliation(s)
- Yuan‐Ming Wu
- School of Basic Medical SciencesGuizhou Medical UniversityGuiyangChina
- Stem Cell and Tissue Engineering Research CenterGuizhou Medical UniversityGuizhouChina
| | - Yan Guo
- Comprehensive Cancer CenterUniversity of New MexicoAlbuquerqueNMUSA
| | - Hui Yu
- Comprehensive Cancer CenterUniversity of New MexicoAlbuquerqueNMUSA
| | - Tao Guo
- Guizhou Provincial People’s HospitalGuiyangChina
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Turkez H, Tozlu OO, Arslan ME, Mardinoglu A. Safety and Efficacy Assessments to Take Antioxidants in Glioblastoma Therapy: From In Vitro Experiences to Animal and Clinical Studies. Neurochem Int 2021; 150:105168. [PMID: 34450218 DOI: 10.1016/j.neuint.2021.105168] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/28/2022]
Abstract
Glioblastoma (GBM) is considered one of the most common malignant brain tumors, occurring as over 15% of all primary central nervous system and brain neoplasms. The unique and standard treatment option towards GBM involves the combination of surgical resection followed by radiotherapy (RT) and chemotherapy (CT). However, due to the aggressive nature and heterogeneity of GBMs, they remained difficult to treat. Recent findings from preclinical studies have revealed that disruption of the redox balance via using either oxidative or anti-oxidative agents in GBM presented an effective and promising therapeutic approach. A limited number of clinical trials substantially encouraged their concomitant use with RT or CT. Thus, treatment of GBMs may benefit from natural or synthetic antioxidative compounds as novel therapeutics. Despite the presence of variegated in vitro and in vivo studies focusing on safety and efficacy issues of these promising therapeutics, nowadays their translation to clinics is far from applicability due to several challenges. In this review, we briefly introduce the enzymatic and non-enzymatic antioxidant defense systems as well as potential signaling pathways related to the pathogenesis of GBM with a special interest in antioxidant mechanisms. In addition, we describe the advantages and limitations of antioxidant supplementation in GBM cases or disease models as well as growing challenges for GBM therapies with antioxidants in the future.
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Affiliation(s)
- Hasan Turkez
- Department of Medical Biology, Faculty of Medicine, Ataturk University, 25240, Erzurum, Turkey
| | - Ozlem Ozdemir Tozlu
- Department of Molecular Biology and Genetics, Faculty of Science, 25250; Erzurum Technical University, Erzurum, Turkey
| | - Mehmet Enes Arslan
- Department of Molecular Biology and Genetics, Faculty of Science, 25250; Erzurum Technical University, Erzurum, Turkey
| | - Adil Mardinoglu
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, London, SE1 9RT, UK; Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, SE-17121, Sweden.
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Hadrava Vanova K, Yang C, Meuter L, Neuzil J, Pacak K. Reactive Oxygen Species: A Promising Therapeutic Target for SDHx-Mutated Pheochromocytoma and Paraganglioma. Cancers (Basel) 2021; 13:cancers13153769. [PMID: 34359671 PMCID: PMC8345159 DOI: 10.3390/cancers13153769] [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: 06/28/2021] [Revised: 07/21/2021] [Accepted: 07/24/2021] [Indexed: 11/26/2022] Open
Abstract
Simple Summary Pheochromocytoma and paraganglioma are rare neuroendocrine tumors that arise from chromaffin cells of the adrenal medulla or their neural crest progenitors located outside the adrenal gland, respectively. About 10–15% of patients develop metastatic disease for whom treatment options and availability are extremely limited. The risk of developing metastatic disease is increased for patients with mutations in succinate dehydrogenase subunit B, which leads to metabolic reprogramming and redox imbalance. From this perspective, we focus on redox imbalance caused by this mutation and explore potential opportunities to therapeutically target reactive oxygen species production in these rare tumors. Abstract Pheochromocytoma (PHEO) and paraganglioma (PGL) are rare neuroendocrine tumors derived from neural crest cells. Germline variants in approximately 20 PHEO/PGL susceptibility genes are found in about 40% of patients, half of which are found in the genes that encode succinate dehydrogenase (SDH). Patients with SDH subunit B (SDHB)-mutated PHEO/PGL exhibit a higher likelihood of developing metastatic disease, which can be partially explained by the metabolic cell reprogramming and redox imbalance caused by the mutation. Reactive oxygen species (ROS) are highly reactive molecules involved in a multitude of important signaling pathways. A moderate level of ROS production can help regulate cellular physiology; however, an excessive level of oxidative stress can lead to tumorigenic processes including stimulation of growth factor-dependent pathways and the induction of genetic instability. Tumor cells effectively exploit antioxidant enzymes in order to protect themselves against harmful intracellular ROS accumulation, which highlights the essential balance between ROS production and scavenging. Exploiting ROS accumulation can be used as a possible therapeutic strategy in ROS-scavenging tumor cells. Here, we focus on the role of ROS production in PHEO and PGL, predominantly in SDHB-mutated cases. We discuss potential strategies and approaches to anticancer therapies by enhancing ROS production in these difficult-to-treat tumors.
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Affiliation(s)
- Katerina Hadrava Vanova
- Section of Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA; (K.H.V.); (L.M.)
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, 252 50 Prague West, Czech Republic; or
| | - Chunzhang Yang
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA;
| | - Leah Meuter
- Section of Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA; (K.H.V.); (L.M.)
| | - Jiri Neuzil
- Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, 252 50 Prague West, Czech Republic; or
- School of Pharmacy and Medical Science, Griffith University, Southport, QLD 4222, Australia
| | - Karel Pacak
- Section of Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA; (K.H.V.); (L.M.)
- Correspondence: ; Tel.: +1-(301)-402-4594
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Hipólito A, Martins F, Mendes C, Lopes-Coelho F, Serpa J. Molecular and Metabolic Reprogramming: Pulling the Strings Toward Tumor Metastasis. Front Oncol 2021; 11:656851. [PMID: 34150624 PMCID: PMC8209414 DOI: 10.3389/fonc.2021.656851] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/11/2021] [Indexed: 12/12/2022] Open
Abstract
Metastasis is a major hurdle to the efficient treatment of cancer, accounting for the great majority of cancer-related deaths. Although several studies have disclosed the detailed mechanisms underlying primary tumor formation, the emergence of metastatic disease remains poorly understood. This multistep process encompasses the dissemination of cancer cells to distant organs, followed by their adaptation to foreign microenvironments and establishment in secondary tumors. During the last decades, it was discovered that these events may be favored by particular metabolic patterns, which are dependent on reprogrammed signaling pathways in cancer cells while they acquire metastatic traits. In this review, we present current knowledge of molecular mechanisms that coordinate the crosstalk between metastatic signaling and cellular metabolism. The recent findings involving the contribution of crucial metabolic pathways involved in the bioenergetics and biosynthesis control in metastatic cells are summarized. Finally, we highlight new promising metabolism-based therapeutic strategies as a putative way of impairing metastasis.
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Affiliation(s)
- Ana Hipólito
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Filipa Martins
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Cindy Mendes
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Filipa Lopes-Coelho
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
| | - Jacinta Serpa
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School
- Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Unidade de Investigação em Patobiologia Molecular (UIPM), Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisboa, Portugal
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24
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Reprogramming and Differentiation of Cutaneous Squamous Cell Carcinoma Cells in Recessive Dystrophic Epidermolysis Bullosa. Int J Mol Sci 2020; 22:ijms22010245. [PMID: 33383666 PMCID: PMC7795642 DOI: 10.3390/ijms22010245] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/13/2020] [Accepted: 12/24/2020] [Indexed: 02/04/2023] Open
Abstract
The early onset and rapid progression of cutaneous squamous cell carcinoma (cSCC) leads to high mortality rates in individuals with recessive dystrophic epidermolysis bullosa (RDEB). Currently, the molecular mechanisms underlying cSCC development in RDEB are not well understood and there are limited therapeutic options. RDEB-cSCC arises through the accumulation of genetic mutations; however, previous work analyzing gene expression profiles have not been able to explain its aggressive nature. Therefore, we generated a model to study RDEB-cSCC development using cellular reprograming and re-differentiation technology. We compared RDEB-cSCC to cSCC that were first reprogrammed into induced pluripotent stem cells (RDEB-cSCC-iPSC) and then differentiated back to keratinocytes (RDEB-cSCC-iKC). The RDEB-cSCC-iKC cell population had reduced proliferative capacities in vitro and in vivo, suggesting that reprogramming and re-differentiation leads to functional changes. Finally, we performed RNA-seq analysis for RDEB-cSCC, RDEB-cSCC-iPSC, and RDEB-cSCC-iKC and identified different gene expression signatures between these cell populations. Taken together, this cell culture model offers a valuable tool to study cSCC and provides a novel way to identify potential therapeutic targets for RDEB-cSCC.
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25
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NOX2-Derived Reactive Oxygen Species in Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7095902. [PMID: 33312338 PMCID: PMC7721506 DOI: 10.1155/2020/7095902] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 10/21/2019] [Indexed: 12/16/2022]
Abstract
The formation of reactive oxygen species (ROS) by the myeloid cell NADPH oxidase NOX2 is critical for the destruction of engulfed microorganisms. However, recent studies imply that ROS, formed by NOX2+ myeloid cells in the malignant microenvironment, exert multiple actions of relevance to the growth and spread of neoplastic cells. By generating ROS, tumor-infiltrating myeloid cells and NOX2+ leukemic myeloid cells may thus (i) compromise the function and viability of adjacent cytotoxic lymphocytes, including natural killer (NK) cells and T cells, (ii) oxidize DNA to trigger cancer-promoting somatic mutations, and (iii) affect the redox balance in cancer cells to control their proliferation and survival. Here, we discuss the impact of NOX2-derived ROS for tumorigenesis, tumor progression, regulation of antitumor immunity, and metastasis. We propose that NOX2 may be a targetable immune checkpoint in cancer.
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González-Ponce HA, Martínez-Saldaña MC, Tepper PG, Quax WJ, Buist-Homan M, Faber KN, Moshage H. Betacyanins, major components in Opuntia red-purple fruits, protect against acetaminophen-induced acute liver failure. Food Res Int 2020; 137:109461. [PMID: 33233135 DOI: 10.1016/j.foodres.2020.109461] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 04/05/2020] [Accepted: 06/16/2020] [Indexed: 01/06/2023]
Abstract
Acetaminophen (APAP) misuse or overdose is the most important cause of drug-induced acute liver failure. Overdoses of acetaminophen induce oxidative stress and liver injury by the electrophilic metabolite N-acetyl-p-benzoquinone imine (NAPQI). Plant-based medicine has been used for centuries against diseases or intoxications due to their biological activities. The aim of this study was to evaluate the therapeutic value of Opuntia robusta and Opuntia streptacantha fruit extracts against acetaminophen-induced liver damage and to identify the major biocomponents on them. Opuntia fruit extracts were obtained by peeling and squeezing each specie, followed by lyophilization. HPLC was used to characterize the extracts. The effect of the extracts against acetaminophen-induced acute liver injury was evaluated both in vivo and in vitro using biochemical, molecular and histological determinations. The results showed that betacyanins are the main components in the analyzed Opuntia fruit extracts, with betanin as the highest concentration. Therapeutic treatments with Opuntia extracts reduced biochemical, molecular and histological markers of liver (in vivo) and hepatocyte (in vitro) injury. Opuntia extracts reduced the APAP-increased expression of the stress-related gene Gadd45b. Furthermore, Opuntia extracts exerted diverse effects on the antioxidant related genes Sod2, Gclc and Hmox1, independent of their ROS-scavenging ability. Therefore, betacyanins as betanin from Opuntia robusta and Opuntia streptacantha fruits are promising nutraceutical compounds against oxidative liver damage.
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Affiliation(s)
- Herson Antonio González-Ponce
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, the Netherlands.
| | | | - Pieter G Tepper
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Wim J Quax
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, the Netherlands
| | - Manon Buist-Homan
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, the Netherlands; Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, the Netherlands.
| | - Klaas Nico Faber
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, the Netherlands; Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, the Netherlands.
| | - Han Moshage
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, the Netherlands; Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, the Netherlands.
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27
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Sousa B, Pereira J, Marques R, Grilo LF, Pereira SP, Sardão VA, Schmitt F, Oliveira PJ, Paredes J. P-cadherin induces anoikis-resistance of matrix-detached breast cancer cells by promoting pentose phosphate pathway and decreasing oxidative stress. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165964. [PMID: 32920119 DOI: 10.1016/j.bbadis.2020.165964] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/04/2020] [Accepted: 09/04/2020] [Indexed: 12/27/2022]
Abstract
Successful metastatic spreading relies on cancer cells with stem-like properties, glycolytic metabolism and increased antioxidant protection, allowing them to escape anoikis and to survive in circulation. The expression of P-cadherin, a poor prognostic factor in breast cancer, is associated with hypoxic, glycolytic and acidosis biomarkers. In agreement, P-cadherin-enriched breast cancer cell populations presents a glycolytic and an acid-resistance phenotype. Our aim was to evaluate whether P-cadherin expression controls the glycolytic and oxidative phosphorylation fluxes of matrix-detached breast cancer cells, acting as an antioxidant and enhancing their survival in anchorage-independent conditions. By using matrix-detached breast cancer cells, we concluded that P-cadherin increases glucose-6-phosphate dehydrogenase expression, up-regulating the carbon flux through the pentose phosphate pathway, while inhibiting pyruvate oxidation to acetyl-coA via pyruvate dehydrogenase kinase-4 (PDK-4) activation. Accordingly, P-cadherin expression conferred increased sensitivity to dichloroacetate (DCA), a PDK inhibitor. P-cadherin expression also regulates oxidative stress in matrix-detached breast cancer cells, through the control of antioxidant systems, such as catalase and superoxide dismutases (SOD)1 and 2, providing these cells with an increased resistance to doxorubicin-induced anoikis. Importantly, this association was validated in primary invasive breast carcinomas, where an enrichment of SOD2 was found in P-cadherin-overexpressing breast carcinomas. In conclusion, we propose that P-cadherin up-regulates carbon flux through the pentose phosphate pathway and decreases oxidative stress in matrix-detached breast cancer cells. These metabolic remodeling and antioxidant roles of P-cadherin can promote the survival of breast cancer cells in circulation and in metastatic sites, being a possible player in breast cancer therapeutic resistance to pro-oxidant-based interventions.
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Affiliation(s)
- Bárbara Sousa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal.
| | - Joana Pereira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal.
| | - Ricardo Marques
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech, Biocant Park, Cantanhede, Portugal
| | - Luís F Grilo
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech, Biocant Park, Cantanhede, Portugal
| | - Susana P Pereira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech, Biocant Park, Cantanhede, Portugal
| | - Vilma A Sardão
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech, Biocant Park, Cantanhede, Portugal.
| | - Fernando Schmitt
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; Medical Faculty of the University of Porto, Porto, Portugal.
| | - Paulo J Oliveira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech, Biocant Park, Cantanhede, Portugal.
| | - Joana Paredes
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; Medical Faculty of the University of Porto, Porto, Portugal.
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28
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Li J, Liu Y, Liu Q. [Expression of superoxide dismutase 2 in breast cancer and its clinical significance]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2020; 40:1103-1111. [PMID: 32895185 DOI: 10.12122/j.issn.1673-4254.2020.08.06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To evaluate the expression and prognostic value of superoxide dismutase 2 (SOD2) in breast cancer and explore its possible role in the occurrence and progression of breast cancer. METHODS We performed bioinformatics analysis of the TCGA data for the expression and clinical relevance of SOD2 in patients with breast cancer. Gene enrichment analysis (GSEA) was performed using the KEGG gene set, the protein interaction network was constructed using the STRING database, and the key genes were screened using Cytoscape software. We also collected 60 pairs of primary breast cancer tissue samples and adjacent samples for detecting SOD2 expressions using immunohistochemistry and RT-qPCR and analyzed the correlation of SOD2 expression with the clinicopathological parameters of the patients. RESULTS The expression of SOD2 was significantly lower in breast cancer tissue than in adjacent tissues with significant correlation with TNM stage and axillary lymph node metastasis (P < 0.05). Kaplan-Meier survival analysis showed that the recurrence-free survival, distant metastasis-free survival (RFS) and post-progressive survival were significantly shorted in patients with high SOD2 expression than in those with low SOD2 expression (P < 0.05). GSEA enrichment analysis indicated that SOD2 played an important role in the JAK-STAT signaling pathway. IL10 and STAT4 were identified as the key genes in the PPI network, and they were both positively correlated with SOD2. In the 60 pairs of clinical samples, SOD2 was highly expressed in breast cancer tissues with close correlation with axillary lymph node metastasis and the expressions of estrogen receptor and androgen receptor (P < 0.05). CONCLUSIONS The expression of SOD2 in breast cancer is significantly correlated with TNM stage and axillary lymph node metastasis. SOD2 may affect the proliferation, invasion and metastasis of breast cancer cells possibly by regulating IL10 and/or STAT4 to affect the JAK/STAT signaling pathway.
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Affiliation(s)
- Jinping Li
- General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - Yaobang Liu
- General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - Qilun Liu
- General Hospital of Ningxia Medical University, Yinchuan 750004, China
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29
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Huang J, Li JJ. Multiple Dynamics in Tumor Microenvironment Under Radiotherapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1263:175-202. [PMID: 32588328 DOI: 10.1007/978-3-030-44518-8_10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The tumor microenvironment (TME) is an evolutionally low-level and embryonically featured tissue comprising heterogenic populations of malignant and stromal cells as well as noncellular components. Under radiotherapy (RT), the major modality for the treatment of malignant diseases [1], TME shows an adaptive response in multiple aspects that affect the efficacy of RT. With the potential clinical benefits, interests in RT combined with immunotherapy (IT) are intensified with a large scale of clinical trials underway for an array of cancer types. A better understanding of the multiple molecular aspects, especially the cross talks of RT-mediated energy reprogramming and immunoregulation in the irradiated TME (ITME), will be necessary for further enhancing the benefit of RT-IT modality. Coming studies should further reveal more mechanistic insights of radiation-induced instant or permanent consequence in tumor and stromal cells. Results from these studies will help to identify critical molecular pathways including cancer stem cell repopulation, metabolic rewiring, and specific communication between radioresistant cancer cells and the infiltrated immune active lymphocytes. In this chapter, we will focus on the following aspects: radiation-repopulated cancer stem cells (CSCs), hypoxia and re-oxygenation, reprogramming metabolism, and radiation-induced immune regulation, in which we summarize the current literature to illustrate an integrated image of the ITME. We hope that the contents in this chapter will be informative for physicians and translational researchers in cancer radiotherapy or immunotherapy.
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Affiliation(s)
- Jie Huang
- Department of Radiation Oncology, University of California Davis, Sacramento, CA, USA
| | - Jian Jian Li
- Department of Radiation Oncology, University of California Davis, Sacramento, CA, USA. .,NCI-Designated Comprehensive Cancer Center, University of California Davis, Sacramento, CA, USA.
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Yuan L, Mishra R, Patel H, Alanazi S, Wei X, Ma Z, Garrett JT. BRAF Mutant Melanoma Adjusts to BRAF/MEK Inhibitors via Dependence on Increased Antioxidant SOD2 and Increased Reactive Oxygen Species Levels. Cancers (Basel) 2020; 12:cancers12061661. [PMID: 32585852 PMCID: PMC7352565 DOI: 10.3390/cancers12061661] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/12/2020] [Accepted: 06/17/2020] [Indexed: 12/18/2022] Open
Abstract
B-Rapidly Accelerated Fibrosarcoma (BRAF) mutations are found in about 50% of melanoma patients. Treatment with Food and Drug Administration (FDA)-approved BRAF and MAP/ERK kinase (MEK) inhibitors has improved progression free and overall survival of patients with BRAF mutant melanoma. However, all responders develop resistance typically within 1 year of treatment with these inhibitors. Evidence indicates that reactive oxygen species (ROS) levels are elevated after BRAF pathway inhibition treatment. We aim to decipher the role of mitochondrial antioxidant proteins relative to ROS levels and BRAF pathway inhibitor resistance. We observed BRAF mutant melanoma cells treated with the combination of a MEK inhibitor (trametinib) and a BRAF inhibitor (dabrafenib), exhibited elevated ROS levels, both in in vitro and in vivo melanoma models. We next generated trametinib- and dabrafenib-resistant (TDR) cells and found increased ROS levels after acquisition of resistance. An immunofluorescence experiment showed an increase of DNA damage in TDR cell lines. Furthermore, we observed that TDR cells increased superoxide dismutase 2 (SOD2), an antioxidant, at both mRNA and protein levels, with the upregulation of the transcription factor Nuclear Factor (NF)-κB. Knockdown of SOD2 significantly reduced the growth of BRAF pathway inhibitor-resistant cells. In addition, the results indicate that TDR cells can be re-sensitized to BRAF pathway inhibitors by the ROS scavenger, N-Acetyl Cysteine (NAC). Overall, these data indicate that BRAF pathway inhibitor-resistant cells can compensate for elevated ROS via increased expression of the antioxidant SOD2.
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Affiliation(s)
- Long Yuan
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (L.Y.); (R.M.); (H.P.); (S.A.); (X.W.)
| | - Rosalin Mishra
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (L.Y.); (R.M.); (H.P.); (S.A.); (X.W.)
| | - Hima Patel
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (L.Y.); (R.M.); (H.P.); (S.A.); (X.W.)
| | - Samar Alanazi
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (L.Y.); (R.M.); (H.P.); (S.A.); (X.W.)
| | - Xin Wei
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (L.Y.); (R.M.); (H.P.); (S.A.); (X.W.)
| | - Zhijun Ma
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45267-0514, USA;
| | - Joan T. Garrett
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267-0514, USA; (L.Y.); (R.M.); (H.P.); (S.A.); (X.W.)
- Correspondence: ; Tel.: +1-513-558-0741; Fax: +1-513-558-4372
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Higgs EB, Godschalk R, Coltman NJ, Stewart GS, van Schooten FJ, Hodges NJ. Induction of apoptosis in Ogg1-null mouse embryonic fibroblasts by GSH depletion is independent of DNA damage. Toxicol Lett 2020; 332:27-35. [PMID: 32585298 DOI: 10.1016/j.toxlet.2020.06.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 05/15/2020] [Accepted: 06/19/2020] [Indexed: 01/03/2023]
Abstract
Reactive oxygen species (ROS) within the cell are rapidly detoxified by antioxidants such as glutathione. Depletion of glutathione will therefore increase levels of intracellular ROS, which can lead to oxidative DNA damage and the induction of apoptosis. The working hypothesis was that Ogg1 null mouse embryonic fibroblasts (mOgg1-/- MEFs) would be more sensitive in response to GSH depletion due to their deficiency in the removal of the oxidative DNA modification, 8-oxo-7,8-dihydroguanine (8-oxoG). Following GSH depletion, an increase in intracellular ROS and a subsequent induction of apoptosis was measured in mOgg1-/- MEFs; as expected. Unexpectedly, an elevated basal level of ROS was identified in mOgg1-/- MEFs compared to wild type MEFs; which we suggest is partly due to the differential expression of key anti-oxidant genes. The elevated basal ROS levels in mOgg1-/- MEFs were not accompanied by a deficiency in ATP production or a large increase in 8-oxoG levels. Although 8-oxoG levels did increase following GSH depletion in mOgg1-/- MEFs; this increase was significantly lower than observed following treatment with a non-toxic dose of hydrogen peroxide. Reconstitution of Ogg1 into mOgg1-/- MEFs resulted in an increased viability following glutathione depletion, however this rescue did not differ between a repair-proficient and a repair-impaired variant of Ogg1. The data indicates that induction of apoptosis in response to oxidative stress in mOgg1-/- MEFs is independent of DNA damage and OGG1-initiated DNA repair.
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Affiliation(s)
- Ellen B Higgs
- School of Biosciences, The University of Birmingham, Birmingham, United Kingdom; Department of Pharmacology & Toxicology, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands.
| | - Roger Godschalk
- Department of Pharmacology & Toxicology, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands.
| | - Nicholas J Coltman
- School of Biosciences, The University of Birmingham, Birmingham, United Kingdom.
| | - Grant S Stewart
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom.
| | - Frederik-Jan van Schooten
- Department of Pharmacology & Toxicology, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands.
| | - Nikolas J Hodges
- School of Biosciences, The University of Birmingham, Birmingham, United Kingdom.
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Relationship between the antiproliferative properties of Cu(II) complexes with the Schiff base derived from pyridine-2-carboxaldehyde and 5,6-diamino-1,3-dimethyluracil and the redox status mediated by antioxidant defense systems on glioma tumoral cells. J Inorg Biochem 2020; 207:111053. [DOI: 10.1016/j.jinorgbio.2020.111053] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 02/06/2020] [Accepted: 03/02/2020] [Indexed: 12/24/2022]
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33
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Cell repopulation, rewiring metabolism, and immune regulation in cancer radiotherapy. RADIATION MEDICINE AND PROTECTION 2020. [DOI: 10.1016/j.radmp.2020.02.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Cordani M, Butera G, Pacchiana R, Masetto F, Mullappilly N, Riganti C, Donadelli M. Mutant p53-Associated Molecular Mechanisms of ROS Regulation in Cancer Cells. Biomolecules 2020; 10:biom10030361. [PMID: 32111081 PMCID: PMC7175157 DOI: 10.3390/biom10030361] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/14/2020] [Accepted: 02/20/2020] [Indexed: 12/16/2022] Open
Abstract
The TP53 tumor suppressor gene is the most frequently altered gene in tumors and an increasing number of studies highlight that mutant p53 proteins can acquire oncogenic properties, referred to as gain-of-function (GOF). Reactive oxygen species (ROS) play critical roles as intracellular messengers, regulating numerous signaling pathways linked to metabolism and cell growth. Tumor cells frequently display higher ROS levels compared to healthy cells as a result of their increased metabolism as well as serving as an oncogenic agent because of its damaging and mutational properties. Several studies reported that in contrast with the wild type protein, mutant p53 isoforms fail to exert antioxidant activities and rather increase intracellular ROS, driving a pro-tumorigenic survival. These pro-oxidant oncogenic abilities of GOF mutant p53 include signaling and metabolic rewiring, as well as the modulation of critical ROS-related transcription factors and antioxidant systems, which lead ROS unbalance linked to tumor progression. The studies summarized here highlight that GOF mutant p53 isoforms might constitute major targets for selective therapeutic intervention against several types of tumors and that ROS enhancement driven by mutant p53 might represent an “Achilles heel” of cancer cells, suggesting pro-oxidant drugs as a therapeutic approach for cancer patients bearing the mutant TP53 gene.
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Affiliation(s)
- Marco Cordani
- IMDEA Nanociencia, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain;
| | - Giovanna Butera
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, 37134 Verona, Italy; (G.B.); (R.P.); (F.M.); (N.M.)
| | - Raffaella Pacchiana
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, 37134 Verona, Italy; (G.B.); (R.P.); (F.M.); (N.M.)
| | - Francesca Masetto
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, 37134 Verona, Italy; (G.B.); (R.P.); (F.M.); (N.M.)
| | - Nidula Mullappilly
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, 37134 Verona, Italy; (G.B.); (R.P.); (F.M.); (N.M.)
| | - Chiara Riganti
- Department of Oncology, University of Torino, 10126 Torino, Italy;
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Biochemistry, University of Verona, 37134 Verona, Italy; (G.B.); (R.P.); (F.M.); (N.M.)
- Correspondence: ; Tel.: +39-045-8027281; Fax: +39-045-8027170
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Kim YS, Gupta Vallur P, Jones VM, Worley BL, Shimko S, Shin DH, Crawford LC, Chen CW, Aird KM, Abraham T, Shepherd TG, Warrick JI, Lee NY, Phaeton R, Mythreye K, Hempel N. Context-dependent activation of SIRT3 is necessary for anchorage-independent survival and metastasis of ovarian cancer cells. Oncogene 2020; 39:1619-1633. [PMID: 31723239 PMCID: PMC7036012 DOI: 10.1038/s41388-019-1097-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 10/28/2019] [Accepted: 11/04/2019] [Indexed: 12/20/2022]
Abstract
Tumor cells must alter their antioxidant capacity for maximal metastatic potential. Yet the antioxidant adaptations required for ovarian cancer transcoelomic metastasis, which is the passive dissemination of cells in the peritoneal cavity, remain largely unexplored. Somewhat contradicting the need for oxidant scavenging are previous observations that expression of SIRT3, a nutrient stress sensor and regulator of mitochondrial antioxidant defenses, is often suppressed in many primary tumors. We have discovered that this mitochondrial deacetylase is specifically upregulated in a context-dependent manner in cancer cells. SIRT3 activity and expression transiently increased following ovarian cancer cell detachment and in tumor cells derived from malignant ascites of high-grade serous adenocarcinoma patients. Mechanistically, SIRT3 prevents mitochondrial superoxide surges in detached cells by regulating the manganese superoxide dismutase (SOD2). This mitochondrial stress response is under dual regulation by SIRT3. SIRT3 rapidly increases SOD2 activity as an early adaptation to cellular detachment, which is followed by SIRT3-dependent increases in SOD2 mRNA during sustained anchorage-independence. In addition, SIRT3 inhibits glycolytic capacity in anchorage-independent cells thereby contributing to metabolic changes in response to detachment. While manipulation of SIRT3 expression has few deleterious effects on cancer cells in attached conditions, SIRT3 upregulation and SIRT3-mediated oxidant scavenging are required for anoikis resistance in vitro following matrix detachment, and both SIRT3 and SOD2 are necessary for colonization of the peritoneal cavity in vivo. Our results highlight the novel context-specific, pro-metastatic role of SIRT3 in ovarian cancer.
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Affiliation(s)
- Yeon Soo Kim
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Piyushi Gupta Vallur
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Victoria M Jones
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Beth L Worley
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Sara Shimko
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Dong-Hui Shin
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - LaTaijah C Crawford
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Chi-Wei Chen
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Katherine M Aird
- Department of Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Thomas Abraham
- Department of Neural and Behavioral Sciences, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Trevor G Shepherd
- The Mary & John Knight Translational Ovarian Cancer Research Unit, Departments of Obstetrics & Gynecology Oncology and Anatomy & Cell Biology, Western University, London, ON, Canada
| | - Joshua I Warrick
- Department of Pathology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Nam Y Lee
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Rebecca Phaeton
- Department of Obstetrics and Gynecology, and Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, PA, USA
| | - Karthikeyan Mythreye
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA.
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Nadine Hempel
- Department of Pharmacology, College of Medicine, Pennsylvania State University, Hershey, PA, USA.
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Liu L, Chen H, Jin J, Tang Z, Yin P, Zhong D, Li G. Melatonin ameliorates cerebral ischemia/reperfusion injury through SIRT3 activation. Life Sci 2019; 239:117036. [PMID: 31697951 DOI: 10.1016/j.lfs.2019.117036] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/21/2019] [Accepted: 10/29/2019] [Indexed: 02/06/2023]
Abstract
AIMS Previous literature has shown that melatonin plays a critical role in protecting against cerebral ischemia/reperfusion (I/R) injury. Sirtuin3(SIRT3), as one member of the sirtuin family, protects against oxidative stress-related diseases. However, the association between melatonin and SIRT3 in cerebral I/R injury is not well understood. Our experiment was planned to investigate whether melatonin protects against cerebral I/R injury through SIRT3 activation. MAIN METHODS We selected transient middle cerebral artery occlusion (tMCAO) mice as the model of cerebral I/R injury. Male C57/BL6 mice were pre-treated with or without a selective SIRT3 inhibitor and then subjected to tMCAO surgery. Melatonin (20 mg/kg) was given to mice by intraperitoneal injection after ischemia and before reperfusion. Then, we observed the changes in the SIRT3 and downstream relative proteins, infarction volume, neurological score, Nissl, H&E and TUNEL staining, and the expression of apoptosis proteins after tMCAO. KEY FINDINGS Melatonin upregulated the expression of SIRT3 after tMCAO, and alleviated the neurological dysfunction and cell apoptosis through SIRT3 activation. SIGNIFICANCE Our research proved that melatonin promoted SIRT3 expression after tMCAO and alleviated cerebral I/R injury by activating the SIRT3 signaling pathway. This study provides novel therapeutic targets and mechanisms for the treatment of ischemic stroke in the clinic, especially during cerebrovascular reperfusion.
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Affiliation(s)
- Lili Liu
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China
| | - Hongping Chen
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China
| | - Jing Jin
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China
| | - Zhanbin Tang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China
| | - Pengqi Yin
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China
| | - Di Zhong
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China.
| | - Guozhong Li
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, 150001, Heilongjiang Province, PR China.
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37
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Redox-Mediated Mechanism of Chemoresistance in Cancer Cells. Antioxidants (Basel) 2019; 8:antiox8100471. [PMID: 31658599 PMCID: PMC6826977 DOI: 10.3390/antiox8100471] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/07/2019] [Accepted: 10/08/2019] [Indexed: 12/12/2022] Open
Abstract
Cellular reactive oxygen species (ROS) status is stabilized by a balance of ROS generation and elimination called redox homeostasis. ROS is increased by activation of endoplasmic reticulum stress, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase family members and adenosine triphosphate (ATP) synthesis of mitochondria. Increased ROS is detoxified by superoxide dismutase, catalase, and peroxiredoxins. ROS has a role as a secondary messenger in signal transduction. Cancer cells induce fluctuations of redox homeostasis by variation of ROS regulated machinery, leading to increased tumorigenesis and chemoresistance. Redox-mediated mechanisms of chemoresistance include endoplasmic reticulum stress-mediated autophagy, increased cell cycle progression, and increased conversion to metastasis or cancer stem-like cells. This review discusses changes of the redox state in tumorigenesis and redox-mediated mechanisms involved in tolerance to chemotherapeutic drugs in cancer.
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38
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Ramírez-Expósito MJ, Mayas MD, Carrera-González MP, Martínez-Martos JM. Gender Differences in the Antioxidant Response to Oxidative Stress in Experimental Brain Tumors. Curr Cancer Drug Targets 2019; 19:641-654. [DOI: 10.2174/1568009618666181018162549] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 08/13/2018] [Accepted: 09/15/2018] [Indexed: 01/16/2023]
Abstract
Background:Brain tumorigenesis is related to oxidative stress and a decreased response of antioxidant defense systems. As it is well known that gender differences exist in the incidence and survival rates of brain tumors, it is important to recognize and understand the ways in which their biology can differ.Objective:To analyze gender differences in redox status in animals with chemically-induced brain tumors.Methods:Oxidative stress parameters, non-enzyme and enzyme antioxidant defense systems are assayed in animals with brain tumors induced by transplacental N-ethyl-N-nitrosourea (ENU) administration. Both tissue and plasma were analyzed to know if key changes in redox imbalance involved in brain tumor development were reflected systemically and could be used as biomarkers of the disease.Results:Several oxidative stress parameters were modified in tumor tissue of male and female animals, changes that were not reflected at plasma level. Regarding antioxidant defense system, only glutathione (GSH) levels were decreased in both brain tumor tissue and plasma. Superoxide dismutase (SOD) and catalase (CAT) activities were decreased in brain tumor tissue of male and female animals, but plasma levels were only altered in male animals. However, different protein and mRNA expression patterns were found for both enzymes. On the contrary, glutathione peroxidase (GPx) activity showed increased levels in brain tumor tissue without gender differences, being protein and gene expression also increased in both males and female animals. However, these changes in GPx were not reflected at plasma level.Conclusion:We conclude that brain tumorigenesis was related to oxidative stress and changes in brain enzyme and non-enzyme antioxidant defense systems with gender differences, whereas plasma did not reflect the main redox changes that occur at the brain level.
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Affiliation(s)
| | - María Dolores Mayas
- Department of Health Sciences, Faculty of Health Sciences, University of Jaen, Jaen, Spain
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39
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Stability and Catalase-Like Activity of a Mononuclear Non-Heme Oxoiron(IV) Complex in Aqueous Solution. Molecules 2019; 24:molecules24183236. [PMID: 31491998 PMCID: PMC6766873 DOI: 10.3390/molecules24183236] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 01/09/2023] Open
Abstract
Heme-type catalase is a class of oxidoreductase enzymes responsible for the biological defense against oxidative damage of cellular components caused by hydrogen peroxide, where metal-oxo species are proposed as reactive intermediates. To get more insight into the mechanism of this curious reaction a non-heme structural and functional model was carried out by the use of a mononuclear complex [FeII(N4Py*)(CH3CN)](CF3SO3)2 (N4Py* = N,N-bis(2-pyridylmethyl)- 1,2-di(2-pyridyl)ethylamine) as a catalyst, where the possible reactive intermediates, high-valent FeIV=O and FeIII–OOH are known and spectroscopically well characterized. The kinetics of the dismutation of H2O2 into O2 and H2O was investigated in buffered water, where the reactivity of the catalyst was markedly influenced by the pH, and it revealed Michaelis–Menten behavior with KM = 1.39 M, kcat = 33 s−1 and k2(kcat/KM) = 23.9 M−1s−1 at pH 9.5. A mononuclear [(N4Py)FeIV=O]2+ as a possible intermediate was also prepared, and the pH dependence of its stability and reactivity in aqueous solution against H2O2 was also investigated. Based on detailed kinetic, and mechanistic studies (pH dependence, solvent isotope effect (SIE) of 6.2 and the saturation kinetics for the initial rates versus the H2O2 concentration with KM = 18 mM) lead to the conclusion that the rate-determining step in these reactions above involves hydrogen-atom transfer between the iron-bound substrate and the Fe(IV)-oxo species.
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40
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Gomez ML, Shah N, Kenny TC, Jenkins EC, Germain D. SOD1 is essential for oncogene-driven mammary tumor formation but dispensable for normal development and proliferation. Oncogene 2019; 38:5751-5765. [PMID: 31222103 PMCID: PMC6639133 DOI: 10.1038/s41388-019-0839-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 12/19/2018] [Accepted: 03/23/2019] [Indexed: 12/11/2022]
Abstract
We previously reported that the dismutase SOD1 is overexpressed in breast cancer. However, whether SOD1 plays an active role in tumor formation in vivo has never been demonstrated. Further, as luminal cells of normal breast epithelial cells are enriched in SOD1, whether SOD1 is essential for normal mammary gland development has never been determined. We initiated this study to investigate the role of SOD1 in mammary gland tumorigenesis as well as in normal mammary gland development. We crossed the inducible erbB2 (MMTV-iErbB2) and Wnt (MMTV-Wnt) transgenic mice to the SOD1 heterozygote or knockout mice. Our results show that SOD1 is essential for oncogene-driven proliferation, but not normal proliferation of the mammary gland associated with pregnancy or other normal proliferative tissues such as skin and intestines. We show that activation of the oncogene ErbB2 is associated with increased ROS and that high ROS sub-population of ErbB2 cancer cells show elevated SOD1. In the same cells, decrease in SOD1 is associated with an elevation in both apoptosis as well as oncogene-induced senescence. Based on these results, we suggest that SOD1 carries a housekeeping function that maintains ROS levels below a threshold that supports oncogene-dependent proliferation, while allowing escape from oncogene-induced senescence, independently of the oncogene driving tumor formation. These results identify SOD1 as an ideal target for cancer therapy as SOD1 inhibitors hold the potential to prevent the growth of cancers cells of diverse genotypes, activate multiple modes of cell death therefore making acquired resistance more difficult, while sparing normal tissues.
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Affiliation(s)
- Maria L Gomez
- Department of Medicine, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, USA
| | - Nagma Shah
- Department of Medicine, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, USA
| | - Timothy C Kenny
- Department of Medicine, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, USA
| | - Edmund C Jenkins
- Department of Medicine, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, USA
| | - Doris Germain
- Department of Medicine, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, USA.
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41
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Chen C, Zhou Y, Hu C, Wang Y, Yan Z, Li Z, Wu R. Mitochondria and oxidative stress in ovarian endometriosis. Free Radic Biol Med 2019; 136:22-34. [PMID: 30926565 DOI: 10.1016/j.freeradbiomed.2019.03.027] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/21/2019] [Accepted: 03/25/2019] [Indexed: 10/27/2022]
Abstract
Endometriosis is associated with inflammatory reaction, and reactive oxidative species (ROS) are highly pro-inflammatory factors. Mitochondria are responsible for the production of ROS and energy. However, little is known about how mitochondria regulate ROS generation and energy metabolism in endometriosis. In our study, we investigated mitochondrial structure and function of ectopic endometrial stromal cells (ESCs) in ovarian endometriosis. We found mitochondria in ectopic ESCs generated more ROS and energy than controlled groups. Mitochondrial superoxide dismutase (SOD2), as an antioxidant enzyme, was found highly expressed in ectopic endometrium compared with normal endometrium. Due to its antioxidant role, SOD2 promoted the development of endometriosis by maintaining functional mitochondria to support high energetic metabolism of ectopic ESCs. We also showed that SOD2 promoted cell proliferation and migration in ovarian endometriosis. Inhibiting SOD2 expression reduced proliferation and migration of ectopic ESCS, and increased cell apoptosis. Therefore, understanding the role of mitochondrial dysfunction and SOD2 in ovarian endometriosis may provide new strategies to treat this disease.
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Affiliation(s)
- Chaolu Chen
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China
| | - Yong Zhou
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China
| | - Changchang Hu
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China
| | - Yinfeng Wang
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China
| | - Zhuqing Yan
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China
| | - Zhi Li
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China
| | - Ruijin Wu
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Zhejiang, 310006, China.
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42
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Dai X, Cheng H, Chen X, Li T, Zhang J, Jin G, Cai D, Huang Z. FOXA1 is Prognostic of Triple Negative Breast Cancers by Transcriptionally Suppressing SOD2 and IL6. Int J Biol Sci 2019; 15:1030-1041. [PMID: 31182923 PMCID: PMC6535797 DOI: 10.7150/ijbs.31009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 02/08/2019] [Indexed: 12/20/2022] Open
Abstract
Having markers feasible for breast cancer subtyping, especially for triple negative breast cancer identification is crucial for improving the treatment outcome of such cancers. Here we explore the role of FOXA1 in characterizing triple negative breast cancers and the driving mechanisms. Through in vitro examination of the expression pattern at both transcriptional and translational levels, patient relapse-free survival analysis, immunohistochemistry staining and prediction power assessment using clinical samples, as well as functional studies, we systematically compared the role of FOXA1 in identifying triple negative and luminal type of breast cancers and explored the mechanisms driving such functionalities. We report that FOXA1 under-expression can lead to increased malignancy and cancer stemness, and is a subtyping marker identifying triple negative breast cancers rather than the luminal subtype by transcriptionally suppressing the expression of SOD2 and IL6. We are the first to systematically address the significance of FOXA1 in triple negative breast cancer identification as a biomarker and elucidate the mechanism at the molecular level, through a sequential bioinformatics analysis and experimental validations both in vitro and in clinics. Our discoveries compliment the current biomarker modalities once verified using larger clinical cohorts and improve the precision on characterizing breast cancer heterogeneity.
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Affiliation(s)
- Xiaofeng Dai
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Hongye Cheng
- School of Biotechnology, Jiangnan University, Wuxi, China
| | - Xiao Chen
- School of Biotechnology, Jiangnan University, Wuxi, China
| | - Ting Li
- School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jia Zhang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Guoyin Jin
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Dongyan Cai
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Zhaohui Huang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
- Wuxi Cancer Institute, Affiliated Hospital of Jiangnan University, Wuxi, China
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43
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Chang G, Chen Y, Zhang H, Zhou W. Trans sodium crocetinate alleviates ischemia/reperfusion-induced myocardial oxidative stress and apoptosis via the SIRT3/FOXO3a/SOD2 signaling pathway. Int Immunopharmacol 2019; 71:361-371. [PMID: 30952100 DOI: 10.1016/j.intimp.2019.03.056] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/26/2019] [Accepted: 03/27/2019] [Indexed: 12/31/2022]
Abstract
Trans sodium crocetinate (TSC) has been reported to exert a protective effect against cerebral ischemia/reperfusion (I/R) injury. However, whether TSC protects against myocardial ischemia/reperfusion (MI/R) injury remains unknown. Herein, we found that TSC treatment reduced myocardial infract size and elevated serum LDH and CK activities of MI/R rats. TSC administration attenuated oxidative stress in MI/R rats and H9C2 cells exposed to oxygen glucose deprivation/reperfusion (OGD/R). TSC administration relieved I/R-induced myocardial apoptosis in vivo and in vitro, as evidenced by reduced number of TUNEL positive cells, accompanying with marked decreases in caspase-3 activity and Bax protein level and an increase in Bcl-2 protein level. TSC treatment markedly increased SIRT3 activity and SIRT3 and SOD2 protein levels, and could also diminished the phosphorylation of FOXO3a protein. Additionally, TSC treatment attenuated the acetylation of FOXO3a and SOD2 protein. But, these effects were obviously blocked by SIRT3 knockdown. Besides, SIRT3 knockdown blocked the cardioprotective effect of TSC on OGD/R-induced oxidative stress, apoptosis and mitochondrial dysfunction in vitro. In summary, TSC alleviates I/R-induced myocardial oxidative stress and apoptosis via the SIRT3/FOXO3a/SOD2 signaling pathway. Our study suggests that TSC may become a novel drug for the treatment of MI/R injury.
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Affiliation(s)
- Guodong Chang
- Department of Cardiovascular Diseases, The First People's Hospital of Shangqiu, Shangqiu City 476100, Henan Province, PR China.
| | - Yingwei Chen
- Department of Cardiovascular Diseases, The First Affiliated Hospital of Zhengzhou University, Zhengzhou City 450052, Henan Province, PR China
| | - Hongwei Zhang
- Department of Cardiovascular Diseases, The First People's Hospital of Shangqiu, Shangqiu City 476100, Henan Province, PR China
| | - Wen Zhou
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou 510006, Guangdong Province, PR China.
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Zuo R, Wang Y, Li J, Wu J, Wang W, Li B, Sun C, Wang Z, Shi C, Zhou Y, Liu M, Zhang C. Rapamycin Induced Autophagy Inhibits Inflammation-Mediated Endplate Degeneration by Enhancing Nrf2/Keap1 Signaling of Cartilage Endplate Stem Cells. Stem Cells 2019; 37:828-840. [PMID: 30840341 DOI: 10.1002/stem.2999] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/01/2019] [Accepted: 02/20/2019] [Indexed: 12/24/2022]
Abstract
Cartilage endplate (CEP) calcification inhibits the transport of metabolites and nutrients in the intervertebral disk and is an important initiating factor of intervertebral disk degeneration. However, the mechanisms governing CEP degeneration have not been thoroughly elucidated. In this study, we established a mouse CEP degeneration model and showed that autophagy insufficiency caused the degeneration of CEP. We found that the inflammatory cytokine tumor necrosis factor-α (TNF-α) increased the level of intracellular reactive oxygen species (ROS) and caused cell senescence and osteogenic differentiation of cartilage endplate stem cells (CESCs), whereas rapamycin-induced autophagy protected CESCs from TNF-α-induced oxidative stress and cell senescence. Furthermore, rapamycin-induced autophagy helped CESCs maintain the chondrogenic properties and inhibited extracellular matrix protease expression and osteogenic differentiation. Further study revealed that autophagy activated by rapamycin or inhibited by chloroquine influenced the expression and nuclear translocation of Nrf2, thereby controlling the expression of antioxidant proteins and the scavenging of ROS. Taken together, the results indicate that rapamycin-induced autophagy enhances Nrf2/Keap1 signaling and promotes the expression of antioxidant proteins, thereby eliminating ROS, alleviating cell senescence, reducing the osteogenic differentiation of CESCs, and ultimately protecting CEPs from chronic inflammation-induced degeneration. Stem Cells 2019;37:828-840.
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Affiliation(s)
- Rui Zuo
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Yanqiu Wang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Jie Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Junlong Wu
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Wenkai Wang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Bin Li
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Chao Sun
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Ziwen Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns, and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Chunmeng Shi
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns, and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Yue Zhou
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Minghan Liu
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
| | - Chao Zhang
- Department of Orthopedics, Xinqiao Hospital, Army Military Medical University, Chongqing, People's Republic of China
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45
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tRNA modification and cancer: potential for therapeutic prevention and intervention. Future Med Chem 2019; 11:885-900. [PMID: 30744422 DOI: 10.4155/fmc-2018-0404] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Transfer RNAs (tRNAs) undergo extensive chemical modification within cells through the activity of tRNA methyltransferase enzymes (TRMs). Although tRNA modifications are dynamic, how they impact cell behavior after stress and during tumorigenesis is not well understood. This review discusses how tRNA modifications influence the translation of codon-biased transcripts involved in responses to oxidative stress. We further discuss emerging mechanistic details about how aberrant TRM activity in cancer cells can direct programs of codon-biased translation that drive cancer cell phenotypes. The studies reviewed here predict future preventative therapies aimed at augmenting TRM activity in individuals at risk for cancer due to exposure. They further predict that attenuating TRM-dependent translation in cancer cells may limit disease progression while leaving noncancerous cells unharmed.
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Parascandolo A, Laukkanen MO. Carcinogenesis and Reactive Oxygen Species Signaling: Interaction of the NADPH Oxidase NOX1-5 and Superoxide Dismutase 1-3 Signal Transduction Pathways. Antioxid Redox Signal 2019; 30:443-486. [PMID: 29478325 PMCID: PMC6393772 DOI: 10.1089/ars.2017.7268] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 02/21/2018] [Accepted: 02/22/2018] [Indexed: 02/06/2023]
Abstract
SIGNIFICANCE Reduction/oxidation (redox) balance could be defined as an even distribution of reduction and oxidation complementary processes and their reaction end products. There is a consensus that aberrant levels of reactive oxygen species (ROS), commonly observed in cancer, stimulate primary cell immortalization and progression of carcinogenesis. However, the mechanism how different ROS regulate redox balance is not completely understood. Recent Advances: In the current review, we have summarized the main signaling cascades inducing NADPH oxidase NOX1-5 and superoxide dismutase (SOD) 1-3 expression and their connection to cell proliferation, immortalization, transformation, and CD34+ cell differentiation in thyroid, colon, lung, breast, and hematological cancers. CRITICAL ISSUES Interestingly, many of the signaling pathways activating redox enzymes or mediating the effect of ROS are common, such as pathways initiated from G protein-coupled receptors and tyrosine kinase receptors involving protein kinase A, phospholipase C, calcium, and small GTPase signaling molecules. FUTURE DIRECTIONS The clarification of interaction of signal transduction pathways could explain how cells regulate redox balance and may even provide means to inhibit the accumulation of harmful levels of ROS in human pathologies.
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Ramírez-Expósito MJ, Martínez-Martos JM. The Delicate Equilibrium between Oxidants and Antioxidants in Brain Glioma. Curr Neuropharmacol 2019; 17:342-351. [PMID: 29512467 PMCID: PMC6482474 DOI: 10.2174/1570159x16666180302120925] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 01/03/2018] [Accepted: 02/02/2018] [Indexed: 11/22/2022] Open
Abstract
Gliomas are the most frequent brain tumors in the adult population and unfortunately the adjuvant therapies are not effective. Brain tumorigenesis has been related both to the increased levels of free radicals as inductors of severe damages in healthy cells, but also with the reduced response of endogenous enzyme and non-enzymatic antioxidant defenses. In turn, both processes induce the change to malignant cells. In this review, we analyzed the role of the imbalance between free radicals production and antioxidant mechanism in the development and progression of gliomas but also the influence of redox status on the two major distinctive forms of programmed cell death related to cancer: apoptosis and autophagy. These data may be the reference to the development of new pharmacological options based on redox microenvironment for glioma treatment.
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Affiliation(s)
- María Jesús Ramírez-Expósito
- Experimental and Clinical Physiopathology Research Group CTS-1039; Department of Health Sciences, Faculty of Health Sciences; University of Jaén, Campus Universitario Las Lagunillas, Jaén, Spain
| | - José Manuel Martínez-Martos
- Experimental and Clinical Physiopathology Research Group CTS-1039; Department of Health Sciences, Faculty of Health Sciences; University of Jaén, Campus Universitario Las Lagunillas, Jaén, Spain
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Xie B, Wang S, Jiang N, Li JJ. Cyclin B1/CDK1-regulated mitochondrial bioenergetics in cell cycle progression and tumor resistance. Cancer Lett 2018; 443:56-66. [PMID: 30481564 DOI: 10.1016/j.canlet.2018.11.019] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/27/2018] [Accepted: 11/11/2018] [Indexed: 02/08/2023]
Abstract
A mammalian cell houses two genomes located separately in the nucleus and mitochondria. During evolution, communications and adaptations between these two genomes occur extensively to achieve and sustain homeostasis for cellular functions and regeneration. Mitochondria provide the major cellular energy and contribute to gene regulation in the nucleus, whereas more than 98% of mitochondrial proteins are encoded by the nuclear genome. Such two-way signaling traffic presents an orchestrated dynamic between energy metabolism and consumption in cells. Recent reports have elucidated the way how mitochondrial bioenergetics synchronizes with the energy consumption for cell cycle progression mediated by cyclin B1/CDK1 as the communicator. This review is to recapitulate cyclin B1/CDK1 mediated mitochondrial activities in cell cycle progression and stress response as well as its potential link to reprogram energy metabolism in tumor adaptive resistance. Cyclin B1/CDK1-mediated mitochondrial bioenergetics is applied as an example to show how mitochondria could timely sense the cellular fuel demand and then coordinate ATP output. Such nucleus-mitochondria oscillation may play key roles in the flexible bioenergetics required for tumor cell survival and compromising the efficacy of anti-cancer therapy. Further deciphering the cyclin B1/CDK1-controlled mitochondrial metabolism may invent effect targets to treat resistant cancers.
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Affiliation(s)
- Bowen Xie
- Department of Radiation Oncology, School of Medicine, University of California at Davis, Sacramento, CA, USA
| | - Shuangyan Wang
- Department of Radiation Oncology, School of Medicine, University of California at Davis, Sacramento, CA, USA
| | - Nian Jiang
- Department of Radiation Oncology, School of Medicine, University of California at Davis, Sacramento, CA, USA
| | - Jian Jian Li
- Department of Radiation Oncology, School of Medicine, University of California at Davis, Sacramento, CA, USA.
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Worley BL, Kim YS, Mardini J, Zaman R, Leon KE, Vallur PG, Nduwumwami A, Warrick JI, Timmins PF, Kesterson JP, Phaëton R, Lee NY, Walter V, Endres L, Mythreye K, Aird KM, Hempel N. GPx3 supports ovarian cancer progression by manipulating the extracellular redox environment. Redox Biol 2018; 25:101051. [PMID: 30509602 PMCID: PMC6859581 DOI: 10.1016/j.redox.2018.11.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/13/2018] [Accepted: 11/15/2018] [Indexed: 12/31/2022] Open
Abstract
Ovarian cancer remains the most lethal gynecologic malignancy, and is primarily diagnosed at late stage when considerable metastasis has occurred in the peritoneal cavity. At late stage abdominal cavity ascites accumulation provides a tumor-supporting medium in which cancer cells gain access to growth factors and cytokines that promote survival and metastasis. However, little is known about the redox status of ascites, or whether antioxidant enzymes are required to support ovarian cancer survival during transcoelomic metastasis in this medium. Gene expression cluster analysis of antioxidant enzymes identified two distinct populations of high-grade serous adenocarcinomas (HGSA), the most common ovarian cancer subtype, which specifically separated into clusters based on glutathione peroxidase 3 (GPx3) expression. High GPx3 expression was associated with poorer overall patient survival and increased tumor stage. GPx3 is an extracellular glutathione peroxidase with reported dichotomous roles in cancer. To further examine a potential pro-tumorigenic role of GPx3 in HGSA, stable OVCAR3 GPx3 knock-down cell lines were generated using lentiviral shRNA constructs. Decreased GPx3 expression inhibited clonogenicity and anchorage-independent cell survival. Moreover, GPx3 was necessary for protecting cells from exogenous oxidant insult, as demonstrated by treatment with high dose ascorbate. This cytoprotective effect was shown to be due to GPx3-dependent removal of extracellular H2O2. Importantly, GPx3 was necessary for clonogenic survival when cells were cultured in patient-derived ascites fluid. While oxidation reduction potential (ORP) of malignant ascites was heterogeneous in our patient cohort, and correlated positively with ascites iron content, GPx3 was required for optimal survival regardless of ORP or iron content. Collectively, our data suggest that HGSA ovarian cancers cluster into distinct groups of high and low GPx3 expression. GPx3 is necessary for HGSA ovarian cancer cellular survival in the ascites tumor environment and protects against extracellular sources of oxidative stress, implicating GPx3 as an important adaptation for transcoelomic metastasis. High grade serous ovarian cancers cluster into distinct groups of antioxidant enzyme expression. High GPx3 expression is associated with decreased overall patient survival. GPx3 promotes cell viability by protecting cells from extracellular sources of oxidative stress. GPx3 enhances cell survival in ovarian cancer patient ascites fluid. Malignant ascites oxidation-reduction potential correlates with iron content.
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Affiliation(s)
- Beth L Worley
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Yeon Soo Kim
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Jennifer Mardini
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Rameez Zaman
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Kelly E Leon
- Department of Molecular and Cellular Physiology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Piyushi Gupta Vallur
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Asvelt Nduwumwami
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Joshua I Warrick
- Department of Pathology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | | | - Joshua P Kesterson
- Department of Obstetrics and Gynecology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Rébécca Phaëton
- Department of Obstetrics and Gynecology, Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Microbiology and Immunology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Nam Y Lee
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Vonn Walter
- Department of Public Health Sciences, Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Biochemistry and Molecular Biology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Lauren Endres
- Department of Biology and Chemistry, SUNY Polytechnic Institute, Utica, NY, USA
| | - Karthikeyan Mythreye
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA
| | - Katherine M Aird
- Department of Molecular and Cellular Physiology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Nadine Hempel
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Obstetrics and Gynecology, Pennsylvania State University College of Medicine, Hershey, PA, USA.
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50
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Yoshida T, Kageyama S, Isono T, Yuasa T, Kushima R, Kawauchi A, Chano T. Superoxide dismutase 2 expression can predict prognosis of renal cell carcinoma patients. Cancer Biomark 2018; 22:755-761. [PMID: 29914010 DOI: 10.3233/cbm-181308] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Renal cell carcinoma (RCC) is the urological malignancy with the highest mortality rate and is increasing in incidence. The prognostic and predictive biomarkers are highly desired. This study aims to investigate the significance of superoxide dismutase 2 (SOD2) as a clinical biomarker in patients with renal cell carcinomas. METHODS A cohort of 97 patients with RCC was analyzed retrospectively using various clinical parameters and SOD2 expression by immunohistochemistry. RESULTS Cases with stronger SOD2 positivity of the tumor in comparison to the adjacent normal renal tubule by immunohistochemistry were categorized as high SOD2 and were associated with worse overall survivals (p= 0.005). In particular, in cases with metastatic RCC, high SOD2 expression in the tumors was significantly associated with a worse overall survival (p= 0.001), and the maximum critical risk. Treatment with current molecular targeting therapies did not improve the prognoses of cases with metastatic or recurrent RCC. CONCLUSIONS High SOD2 expression can be predictive of a poor clinical outcome and be clinically useful in the follow-up of metastatic RCC. Therapeutics for metastatic RCCs require further improvement, such as supplementary administration of agents targeting mitochondrial SOD2.
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Affiliation(s)
- Tetsuya Yoshida
- Department of Urology, Shiga University of Medical Science, Shiga, Japan
| | - Susumu Kageyama
- Department of Urology, Shiga University of Medical Science, Shiga, Japan
| | - Takahiro Isono
- Central Research Laboratory, Shiga University of Medical Science, Shiga, Japan
| | - Takeshi Yuasa
- Department of Urology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Ryoji Kushima
- Department of Clinical Laboratory Medicine, Shiga University of Medical Science, Shiga, Japan
| | - Akihiro Kawauchi
- Department of Urology, Shiga University of Medical Science, Shiga, Japan
| | - Tokuhiro Chano
- Department of Clinical Laboratory Medicine, Shiga University of Medical Science, Shiga, Japan
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