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Maraldi T, Angeloni C, Prata C, Hrelia S. NADPH Oxidases: Redox Regulators of Stem Cell Fate and Function. Antioxidants (Basel) 2021; 10:973. [PMID: 34204425 PMCID: PMC8234808 DOI: 10.3390/antiox10060973] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
One of the major sources of reactive oxygen species (ROS) generated within stem cells is the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase family of enzymes (NOXs), which are critical determinants of the redox state beside antioxidant defense mechanisms. This balance is involved in another one that regulates stem cell fate: indeed, self-renewal, proliferation, and differentiation are decisive steps for stem cells during embryo development, adult tissue renovation, and cell therapy application. Ex vivo culture-expanded stem cells are being investigated for tissue repair and immune modulation, but events such as aging, senescence, and oxidative stress reduce their ex vivo proliferation, which is crucial for their clinical applications. Here, we review the role of NOX-derived ROS in stem cell biology and functions, focusing on positive and negative effects triggered by the activity of different NOX isoforms. We report recent findings on downstream molecular targets of NOX-ROS signaling that can modulate stem cell homeostasis and lineage commitment and discuss the implications in ex vivo expansion and in vivo engraftment, function, and longevity. This review highlights the role of NOX as a pivotal regulator of several stem cell populations, and we conclude that these aspects have important implications in the clinical utility of stem cells, but further studies on the effects of pharmacological modulation of NOX in human stem cells are imperative.
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Affiliation(s)
- Tullia Maraldi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy;
| | - Cristina Angeloni
- School of Pharmacy, University of Camerino, Via Gentile III da Varano, 62032 Camerino, Italy;
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Silvana Hrelia
- Department for Life Quality Studies, Alma Mater Studiorum—University of Bologna, Corso d’Augusto 237, 47921 Rimini, Italy;
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52
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Soh R, Hardy A, Zur Nieden NI. The FOXO signaling axis displays conjoined functions in redox homeostasis and stemness. Free Radic Biol Med 2021; 169:224-237. [PMID: 33878426 PMCID: PMC9910585 DOI: 10.1016/j.freeradbiomed.2021.04.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 02/07/2023]
Abstract
Previous views of reactive oxygen species (ROS) depicted them as harmful byproducts of metabolism as uncontrolled levels of ROS can lead to DNA damage and cell death. However, recent studies have shed light into the key role of ROS in the self-renewal or differentiation of the stem cell. The interplay between ROS levels, metabolism, and the downstream redox signaling pathways influence stem cell fate. In this review we will define ROS, explain how they are generated, and how ROS signaling can influence transcription factors, first and foremost forkhead box-O transcription factors, that shape not only the cellular redox state, but also stem cell fate. Now that studies have illustrated the importance of redox homeostasis and the role of redox signaling, understanding the mechanisms behind this interplay will further shed light into stem cell biology.
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Affiliation(s)
- Ruthia Soh
- Department of Molecular, Cell and Systems Biology, College of Natural and Agricultural Sciences, University of California Riverside, Riverside, 92521, CA, USA
| | - Ariana Hardy
- Department of Molecular, Cell and Systems Biology, College of Natural and Agricultural Sciences, University of California Riverside, Riverside, 92521, CA, USA
| | - Nicole I Zur Nieden
- Department of Molecular, Cell and Systems Biology, College of Natural and Agricultural Sciences, University of California Riverside, Riverside, 92521, CA, USA; Stem Cell Center, College of Natural and Agricultural Sciences, University of California Riverside, Riverside, 92521, CA, USA.
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53
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Northcote‐Smith J, Kaur P, Suntharalingam K. A Cancer Stem Cell Potent Copper(II) Complex with a
S
,
N
,
S
‐Schiff base Ligand and Bathophenanthroline. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Pooja Kaur
- Department of Immunology and Inflammation Imperial College London London UK
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Cermeño EA, O'Melia MJ, Han WM, Veith A, Barber G, Huang EH, Thomas SN, García AJ. Hydrodynamic shear-based purification of cancer cells with enhanced tumorigenic potential. Integr Biol (Camb) 2021; 12:1-11. [PMID: 31965190 DOI: 10.1093/intbio/zyz038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 11/01/2019] [Accepted: 11/05/2019] [Indexed: 11/13/2022]
Abstract
Tumor-initiating cells (TICs), a subpopulation of cancerous cells with high tumorigenic potential and stem-cell-like properties, drive tumor progression and are resistant to conventional therapies. Identification and isolation of TICs are limited by their low frequency and lack of robust markers. Here, we characterize the heterogeneous adhesive properties of a panel of human and murine cancer cells and demonstrate differences in adhesion strength among cells, which exhibit TIC properties and those that do not. These differences in adhesion strength were exploited to rapidly (~10 min) and efficiently isolate cancerous cells with increased tumorigenic potential in a label-free manner by use of a microfluidic technology. Isolated murine and human cancer cells gave rise to larger tumors with increased growth rate and higher frequency in both immunocompetent and immunocompromised mice, respectively. This rapid and label-free TIC isolation technology has the potential to be a valuable tool for facilitating research into TIC biology and the development of more efficient diagnostics and cancer therapies.
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Affiliation(s)
- Efraín A Cermeño
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Meghan J O'Melia
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA.,Coulter Department of Biomedical Engineering, Georgia Tech/Emory, Atlanta, GA, USA
| | - Woojin M Han
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Austin Veith
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Graham Barber
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Emina H Huang
- Lerner Research Institute, Department of Cancer Biology, Department of Colorectal Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Susan N Thomas
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Andrés J García
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
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55
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Pourbagher R, Ghorbani H, Akhavan-Niaki H, Jorsaraei SGA, Fattahi S, Ghooran S, Abedian Z, Ghasemi M, Saeedi F, Jafari N, Kalali B, Mostafazadeh A. Downregulation of Stemness Genes and Induction of Necrosis in Rat LA7 Cancer Stem Cells Induced Tumors Treated with Starved Fibroblasts Culture Supernatant. Rep Biochem Mol Biol 2021; 10:105-118. [PMID: 34277874 PMCID: PMC8279721 DOI: 10.52547/rbmb.10.1.105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 10/11/2020] [Indexed: 04/11/2023]
Abstract
BACKGROUND Stem cell differentiation therapy is a promising strategy in cancer treatment. we show that protein cocktail prepared from serum starved fibroblasts has therapeutic potential based on this strategy. METHODS The condition medium was prepared from foreskin isolated fibroblasts and analyzed by Liquid chromatography electrospray ionization mass spectrometry-mass spectrometry (LC-ESI-MS/MS). LA7 mammary gland cancer stem cells originated tumors were induced in Sprague Dawley rats. The rats treated subcutaneously with DMEM (group A), condition medium (group B), or normal saline (group C) once daily for 7 days. Then the tumors were removed and divided into the two parts, one part was used to quantify gene expression by stem-loop RT-qPCR assay and the other part was used for Hematoxylin & Eosin (H & E), Giemsa, and immunohistochemistry (IHC) staining. RESULTS All induced tumors appeared as sarcomatoid carcinoma (SC). Immunohistochemistry staining confirmed this conclusion by recognizing the tumor as Ki67+, cytokeratin+, vimentine+, and estrogen receptor negative SC. RT-qPCR analysis revealed that Oct4-, Sox-2, Nanog- gene expression was much reduced in the condition medium treated tumors versus proper controls (p< 0.05). Tissue necrosis was more prevalent in this group while tumors volume was diminished almost by 40%. The LC-ESI-MS/MS analysis unrevealed the stemness reducing and the cell death inducing proteins such as, pigment epithelium-derived factor (PEDF), insulin like growth factor binding protein-5 (IGFBP-5) and -7 (IGFBP-7) in the condition medium. CONCLUSION This study showed that the substances released from starved human fibroblasts were able to down-regulate the stemness-related genes and induce necrosis in LA7 derived tumors.
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Affiliation(s)
- Roghayeh Pourbagher
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Hossein Ghorbani
- Department of Pathology, Rohani Hospital, Babol University of Medical Sciences, Babol, Iran.
| | - Haleh Akhavan-Niaki
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Seyed Gholam Ali Jorsaraei
- Fatemeh Zahra Infertility and Reproductive Health Research Centre, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Sadegh Fattahi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Sahar Ghooran
- Department of Pathology, Rohani Hospital, Babol University of Medical Sciences, Babol, Iran.
| | - Zeinab Abedian
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
- Dental Materials Research Center, Dental Faculty, Babol University of Medical Sciences, Babol, Iran.
| | - Masoumeh Ghasemi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Fatemeh Saeedi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Negar Jafari
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Behnam Kalali
- Institute for Medical Microbiology, Immunology and Hygiene, Technische Universität München, Munich, Germany.
| | - Amrollah Mostafazadeh
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
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56
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Thanee M, Dokduang H, Kittirat Y, Phetcharaburanin J, Klanrit P, Titapun A, Namwat N, Khuntikeo N, Wangwiwatsin A, Saya H, Loilome W. CD44 modulates metabolic pathways and altered ROS-mediated Akt signal promoting cholangiocarcinoma progression. PLoS One 2021; 16:e0245871. [PMID: 33780455 PMCID: PMC8007026 DOI: 10.1371/journal.pone.0245871] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 01/10/2021] [Indexed: 12/12/2022] Open
Abstract
CD44 is a transmembrane glycoprotein, the phosphorylation of which can directly trigger intracellular signaling, particularly Akt protein, for supporting cell growth, motility and invasion. This study examined the role of CD44 on the progression of Cholangiocarcinoma (CCA) using metabolic profiling to investigate the molecular mechanisms involved in the Akt signaling pathway. Our results show that the silencing of CD44 decreases Akt and mTOR phosphorylation resulting in p21 and Bax accumulation and Bcl-2 suppression that reduces cell proliferation. Moreover, an inhibition of cell migration and invasion regulated by CD44. Similarly, the silencing of CD44 showed an alteration in the epithelial-mesenchymal transition (EMT), e.g. an upregulation of E-cadherin and a downregulation of vimentin, and the reduction of the matrix metalloproteinase (MMP)-9 signal. Interestingly, a depletion of CD44 leads to metabolic pathway changes resulting in redox status modification and Trolox (anti-oxidant) led to the recovery of the cancer cell functions. Based on our findings, the regulation of CCA progression and metastasis via the redox status-related Akt signaling pathway depends on the alteration of metabolic profiling synchronized by CD44.
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Affiliation(s)
- Malinee Thanee
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Hasaya Dokduang
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Yingpinyapat Kittirat
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Jutarop Phetcharaburanin
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Poramate Klanrit
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Attapol Titapun
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Nisana Namwat
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Narong Khuntikeo
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Arporn Wangwiwatsin
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research (IAMR), Keio University School of Medicine, Tokyo, Japan
| | - Watcharin Loilome
- Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- * E-mail:
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57
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13 R,20-Dihydroxydocosahexaenoic Acid, a Novel Dihydroxy- DHA Derivative, Inhibits Breast Cancer Stemness through Regulation of the Stat3/IL-6 Signaling Pathway by Inducing ROS Production. Antioxidants (Basel) 2021; 10:antiox10030457. [PMID: 33804152 PMCID: PMC7999786 DOI: 10.3390/antiox10030457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 12/11/2022] Open
Abstract
Breast cancer is a major health problem worldwide. Cancer stem cells (CSCs) are known to mediate breast cancer metastasis and recurrence and are therefore a promising therapeutic target. In this study, we investigated the anti-inflammatory effect of 13R,20-dihydroxydocosahexaenoic acid (13R,20-diHDHA), a novel dihydroxy-DHA derivative, which was synthesized through an enzymatic reaction using cyanobacterial lipoxygenase. We found that 13R,20-diHDHA reduced the macrophage secretion of the inflammatory cytokines, IL-6 and TNF-α, and thus appeared to have anti-inflammatory effects. As the inflammatory tumor microenvironment is largely devoted to supporting the cancer stemness of breast cancer cells, we investigated the effect of 13R,20-diHDHA on breast cancer stemness. Indeed, 13R,20-diHDHA effectively inhibited breast cancer stemness, as evidenced by its ability to dose-dependently inhibit the mammospheres formation, colony formation, migration, and invasion of breast CSCs. 13R,20-diHDHA reduced the populations of CD44high/CD24low and aldehyde dehydrogenase (ALDH)-positive cells and the expression levels of the cancer stemness-related self-renewal genes, Nanog, Sox2, Oct4, c-Myc, and CD44. 13R,20-diHDHA increased reactive oxygen species (ROS) production, and the generated ROS reduced the phosphorylation of nuclear signal transducer and activator of transcription 3 (Stat3) and the secretion of IL-6 by mammospheres. These data collectively suggest that 13R,20-diHDHA inhibits breast cancer stemness through ROS production and downstream regulation of Stat3/IL-6 signaling, and thus might be developed as an anti-cancer agent acting against CSCs.
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Jones CL, Inguva A, Jordan CT. Targeting Energy Metabolism in Cancer Stem Cells: Progress and Challenges in Leukemia and Solid Tumors. Cell Stem Cell 2021; 28:378-393. [PMID: 33667359 PMCID: PMC7951949 DOI: 10.1016/j.stem.2021.02.013] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Malignant stem cells have long been considered a key therapeutic target in leukemia. Therapeutic strategies designed to target the fundamental biology of leukemia stem cells while sparing normal hematopoietic cells may provide better outcomes for leukemia patients. One process in leukemia stem cell biology that has intriguing therapeutic potential is energy metabolism. In this article we discuss the metabolic properties of leukemia stem cells and how targeting energy metabolism may provide more effective therapeutic regimens for leukemia patients. In addition, we highlight the similarities and differences in energy metabolism between leukemia stem cells and malignant stem cells from solid tumors.
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Affiliation(s)
- Courtney L Jones
- Princess Margaret Cancer Centre, 101 College St. Toronto, ON M5G 1L7, Canada
| | - Anagha Inguva
- Division of Hematology, University of Colorado, 12700 East 19th Ave., Aurora, CO 80045, USA
| | - Craig T Jordan
- Division of Hematology, University of Colorado, 12700 East 19th Ave., Aurora, CO 80045, USA.
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Oxidative Stress and ROS-Mediated Signaling in Leukemia: Novel Promising Perspectives to Eradicate Chemoresistant Cells in Myeloid Leukemia. Int J Mol Sci 2021; 22:ijms22052470. [PMID: 33671113 PMCID: PMC7957553 DOI: 10.3390/ijms22052470] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/04/2021] [Accepted: 02/25/2021] [Indexed: 12/11/2022] Open
Abstract
Myeloid leukemic cells are intrinsically under oxidative stress due to impaired reactive oxygen species (ROS) homeostasis, a common signature of several hematological malignancies. The present review focuses on the molecular mechanisms of aberrant ROS production in myeloid leukemia cells as well as on the redox-dependent signaling pathways involved in the leukemogenic process. Finally, the relevance of new chemotherapy options that specifically exert their pharmacological activity by altering the cellular redox imbalance will be discussed as an effective strategy to eradicate chemoresistant cells.
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60
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Mateu-Sanz M, Tornín J, Ginebra MP, Canal C. Cold Atmospheric Plasma: A New Strategy Based Primarily on Oxidative Stress for Osteosarcoma Therapy. J Clin Med 2021; 10:893. [PMID: 33672274 PMCID: PMC7926371 DOI: 10.3390/jcm10040893] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/10/2021] [Accepted: 02/15/2021] [Indexed: 12/12/2022] Open
Abstract
Osteosarcoma is the most common primary bone tumor, and its first line of treatment presents a high failure rate. The 5-year survival for children and teenagers with osteosarcoma is 70% (if diagnosed before it has metastasized) or 20% (if spread at the time of diagnosis), stressing the need for novel therapies. Recently, cold atmospheric plasmas (ionized gases consisting of UV-Vis radiation, electromagnetic fields and a great variety of reactive species) and plasma-treated liquids have been shown to have the potential to selectively eliminate cancer cells in different tumors through an oxidative stress-dependent mechanism. In this work, we review the current state of the art in cold plasma therapy for osteosarcoma. Specifically, we emphasize the mechanisms unveiled thus far regarding the action of plasmas on osteosarcoma. Finally, we review current and potential future approaches, emphasizing the most critical challenges for the development of osteosarcoma therapies based on this emerging technique.
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Affiliation(s)
- Miguel Mateu-Sanz
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
| | - Juan Tornín
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), 08034 Barcelona, Spain
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Escola d’Enginyeria Barcelona Est (EEBE), Universitat Politècnica de Catalunya (UPC), 08930 Barcelona, Spain; (M.M.-S.); (J.T.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, UPC, 08930 Barcelona, Spain
- Research Centre for Biomedical Engineering (CREB), UPC, 08034 Barcelona, Spain
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Microsecond Pulsed Electric Fields: An Effective Way to Selectively Target and Radiosensitize Medulloblastoma Cancer Stem Cells. Int J Radiat Oncol Biol Phys 2021; 109:1495-1507. [PMID: 33509660 DOI: 10.1016/j.ijrobp.2020.11.047] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/22/2020] [Accepted: 11/12/2020] [Indexed: 01/03/2023]
Abstract
PURPOSE Cancer stem cells constitute an endless reserve for the maintenance and progression of tumors, and they could be the reason for conventional therapy failure. New therapeutic strategies are necessary to specifically target them. In this context, microsecond pulsed electric fields have been selected to expose D283Med cells, a human medulloblastoma cell line resulted to be rich in cancer stem cells, and normal human astrocytes. METHODS We analyzed in vitro different endpoints at different times after microsecond pulsed electric field exposure, such as permeabilization, reactive oxygen species generation, cell viability/proliferation, cell cycle, and clonogenicity, as well as the expression of different genes involved in cell cycle, apoptosis, and senescence. Furthermore, the response of D283Med cells exposed to microsecond pulsed electric fields was validated in vivo in a heterotopic mouse xenograft model. RESULTS Our in vitro results showed that a specific pulse protocol (ie, 0.3 MV/m, 40 μs, 5 pulses) was able to induce irreversible membrane permeabilization and apoptosis exclusively in medulloblastoma cancer stem cells. In the surviving cells, reactive oxygen species generation was observed, together with a transitory G2/M cell-cycle arrest with a senescence-associated phenotype via the upregulation of GADD45A. In vivo results, after pulsed electric field exposure, demonstrated a significant tumor volume reduction with no eradication of tumor mass. In conjunction, we verified the efficacy of electric pulse pre-exposure followed by ionizing irradiation in vivo to enable complete inhibition of tumor growth. CONCLUSIONS Our data reveal novel therapeutic options for the targeting of medulloblastoma cancer stem cells, indicating nonionizing pulsed electric field pre-exposure as an effective means to overcome the radioresistance of cancer stem cells.
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Wang Y, Zhao G, Condello S, Huang H, Cardenas H, Tanner EJ, Wei J, Ji Y, Li J, Tan Y, Davuluri RV, Peter ME, Cheng JX, Matei D. Frizzled-7 Identifies Platinum-Tolerant Ovarian Cancer Cells Susceptible to Ferroptosis. Cancer Res 2021; 81:384-399. [PMID: 33172933 PMCID: PMC7855035 DOI: 10.1158/0008-5472.can-20-1488] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 10/03/2020] [Accepted: 11/02/2020] [Indexed: 11/16/2022]
Abstract
Defining traits of platinum-tolerant cancer cells could expose new treatment vulnerabilities. Here, new markers associated with platinum-tolerant cells and tumors were identified using in vitro and in vivo ovarian cancer models treated repetitively with carboplatin and validated in human specimens. Platinum-tolerant cells and tumors were enriched in ALDH+ cells, formed more spheroids, and expressed increased levels of stemness-related transcription factors compared with parental cells. Additionally, platinum-tolerant cells and tumors exhibited expression of the Wnt receptor Frizzled-7 (FZD7). Knockdown of FZD7 improved sensitivity to platinum, decreased spheroid formation, and delayed tumor initiation. The molecular signature distinguishing FZD7+ from FZD7- cells included epithelial-to-mesenchymal (EMT), stemness, and oxidative phosphorylation-enriched gene sets. Overexpression of FZD7 activated the oncogenic factor Tp63, driving upregulation of glutathione metabolism pathways, including glutathione peroxidase 4 (GPX4), which protected cells from chemotherapy-induced oxidative stress. FZD7+ platinum-tolerant ovarian cancer cells were more sensitive and underwent ferroptosis after treatment with GPX4 inhibitors. FZD7, Tp63, and glutathione metabolism gene sets were strongly correlated in the ovarian cancer Tumor Cancer Genome Atlas (TCGA) database and in residual human ovarian cancer specimens after chemotherapy. These results support the existence of a platinum-tolerant cell population with partial cancer stem cell features, characterized by FZD7 expression and dependent on the FZD7-β-catenin-Tp63-GPX4 pathway for survival. The findings reveal a novel therapeutic vulnerability of platinum-tolerant cancer cells and provide new insight into a potential "persister cancer cell" phenotype. SIGNIFICANCE: Frizzled-7 marks platinum-tolerant cancer cells harboring stemness features and altered glutathione metabolism that depend on GPX4 for survival and are highly susceptible to ferroptosis.
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Affiliation(s)
- Yinu Wang
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Guangyuan Zhao
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Salvatore Condello
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Hao Huang
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Horacio Cardenas
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Edward J Tanner
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - JianJun Wei
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
- Robert H. Lurie Comprehensive Cancer Center, Chicago, Illinois
| | - Yanrong Ji
- Division of Health and Biomedical Informatics, Department of Preventive Medicine, Northwestern University, Chicago, Illinois
| | - Junjie Li
- Department of Physics, Boston University, Boston, Massachusetts
| | - Yuying Tan
- Department of Physics, Boston University, Boston, Massachusetts
| | - Ramana V Davuluri
- Division of Health and Biomedical Informatics, Department of Preventive Medicine, Northwestern University, Chicago, Illinois
| | - Marcus E Peter
- Robert H. Lurie Comprehensive Cancer Center, Chicago, Illinois
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Ji-Xin Cheng
- Department of Physics, Boston University, Boston, Massachusetts
| | - Daniela Matei
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
- Robert H. Lurie Comprehensive Cancer Center, Chicago, Illinois
- Jesse Brown Veteran Affairs Medical Center, Chicago, Illinois
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Breast Cancer Stem Cell Active Copper(II) Complexes with Naphthol Schiff Base and Polypyridyl Ligands. INORGANICS 2021. [DOI: 10.3390/inorganics9010005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Breast cancer stem cells (CSCs) are a sub-population of tumour cells that can promote breast cancer relapse and metastasis. Current treatments are unable to completely remove breast CSCs, therefore it is essential to develop new chemotherapeutics that can remove breast CSCs at clinically compatible doses. Here we present the synthesis, characterisation, and anti-breast CSC properties of copper(II) complexes, [Cu(L2)(1,10-phenanthroline)]PF6 (2) and [Cu(L3)(1,10-phenanthroline)]PF6 (3) comprising of a tridentate (O,N,S) coordinated naphthol Schiff base ligand (L2 = (E)-1-(((2-(methylthio)ethyl)imino)methyl)naphthalen-2-ol or L3 = (E)-1-(((2-(ethylthio)ethyl)imino)methyl)naphthalen-2-ol and 1,10-phenanthroline. The copper(II) complexes (2 and 3) kill breast CSCs, cultured in monolayer and three-dimensional systems, in the micromolar range. Notably, 2 and 3 are more potent towards breast CSC mammospheres than salinomycin (up to 4.5-fold), an established anti-breast CSC agent. Further, cell-based studies indicate that 2 and 3 are readily taken up by breast CSCs and elevate intracellular reactive oxygen species (ROS) levels upon short exposure times (0.5–1 h). The latter is likely to be the underlying mechanism by which 2 and 3 induces breast CSC death.
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Shen S, Xu X, Lin S, Zhang Y, Liu H, Zhang C, Mo R. A nanotherapeutic strategy to overcome chemotherapeutic resistance of cancer stem-like cells. NATURE NANOTECHNOLOGY 2021; 16:104-113. [PMID: 33437035 DOI: 10.1038/s41565-020-00793-0] [Citation(s) in RCA: 129] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Accepted: 10/13/2020] [Indexed: 05/06/2023]
Abstract
Tumour heterogeneity remains a major challenge in cancer therapy owing to the different susceptibility of cells to chemotherapy within a solid tumour. Cancer stem-like cells (CSCs), which reside in hypoxic tumour regions, are characterized by high tumourigenicity and chemoresistance and are often responsible for tumour progression and recurrence. Here we report a nanotherapeutic strategy to kill CSCs in tumours using nanoparticles that are co-loaded with the differentiation-inducing agent, all-trans retinoic acid, and the chemotherapeutic drug, camptothecin. All-trans retinoic acid is released under hypoxic conditions, leading to CSC differentiation in the hypoxic niche. In differentiating CSC, the reactive oxygen species levels increase, which then causes the release of camptothecin and subsequent cell death. This dual strategy enables controlled drug release in CSCs and reduces stemness-related drug resistance, enhancing the chemotherapeutic response. In breast tumour mouse models, treatment with the nanoparticles suppresses tumour growth and prevents post-surgical tumour relapse and metastasis.
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Affiliation(s)
- Shiyang Shen
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China
| | - Xiao Xu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China
| | - Shiqi Lin
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China
| | - Ying Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China
| | - Huayu Liu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China
| | - Can Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China
| | - Ran Mo
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing, China.
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66
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Ibarra LE, Vilchez ML, Caverzán MD, Milla Sanabria LN. Understanding the glioblastoma tumor biology to optimize photodynamic therapy: From molecular to cellular events. J Neurosci Res 2020; 99:1024-1047. [PMID: 33370846 DOI: 10.1002/jnr.24776] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 11/29/2020] [Indexed: 12/19/2022]
Abstract
Photodynamic therapy (PDT) has recently gained attention as an alternative treatment of malignant gliomas. Glioblastoma (GBM) is the most prevalent within tumors of the central nervous system (CNS). Conventional treatments for this CNS tumor include surgery, radiation, and chemotherapy. Surgery is still being considered as the treatment of choice. Even so, the poor prognosis and/or recurrence of the disease after applying any of these treatments highlight the urgency of exploring new therapies and/or improving existing ones to achieve the definitive eradication of tumor masses and remaining cells. PDT is a therapeutic modality that involves the destruction of tumor cells by reactive oxygen species induced by light, which were previously treated with a photosensitizing agent. However, in recent years, its experimental application has expanded to other effects that could improve overall performance against GBM. In the current review, we revisit the main advances of PDT for GBM management and also, the recent mechanistic insights about cellular and molecular aspects related to tumoral resistance to PDT of GBM.
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Affiliation(s)
- Luis Exequiel Ibarra
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Universidad Nacional de Río Cuarto (UNRC) y Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, UNRC, Río Cuarto, Argentina
| | - María Laura Vilchez
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Universidad Nacional de Río Cuarto (UNRC) y Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, UNRC, Río Cuarto, Argentina
| | - Matías Daniel Caverzán
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, UNRC, Río Cuarto, Argentina
| | - Laura Natalia Milla Sanabria
- Instituto de Biotecnología Ambiental y Salud (INBIAS), Universidad Nacional de Río Cuarto (UNRC) y Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto, Argentina.,Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, UNRC, Río Cuarto, Argentina
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67
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Liu JS, Yeh CA, Huang IC, Huang GY, Chiu CH, Mahalakshmi B, Wen SY, Huang CY, Kuo WW. Signal transducer and activator of transcription 3 mediates apoptosis inhibition through reducing mitochondrial ROS and activating Bcl-2 in gemcitabine-resistant lung cancer A549 cells. J Cell Physiol 2020; 236:3896-3905. [PMID: 33283880 DOI: 10.1002/jcp.30133] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 09/02/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022]
Abstract
Lung cancer is a leading cause of cancer-related death worldwide. In this study, we used lung adenocarcinoma cells as a model, as lung adenocarcinoma has the highest mortality rate among all lung cancers. For the past few years, medical treatments or lung cancer have been limited because of chemotherapy resistance. Therefore, understanding the pathogenesis of the development of drug resistance in lung cancer is urgent. Gemcitabine is widely prescribed in the chemotherapeutic treatment of lung cancers. In this study, we developed gemcitabine-resistant lung adenocarcinoma cells (A549-GR) from the A549 cell line. The results showed that apoptotic protein expression and reactive oxygen species (ROS) generation were reduced in A549-GR cells compared to A549 cells. Interestingly, we found that signal transducer and activator of transcription 3 (STAT3) translocated to the nucleus and mitochondria to affect the apoptotic pathway and ROS generation, respectively. Furthermore, treatment with STAT3 small interfering RNA diminished the increase in ROS production, proliferation and antiapoptotic proteins in A549-GR cells. Taken together, the study demonstrated that STAT3 acts as an essential regulator and moderates apoptosis through two major mechanisms to induce gemcitabine resistance in cells; and these findings provide a potential target for the treatment of gemcitabine-resistant lung cancer.
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Affiliation(s)
- Jian-Sheng Liu
- China Medical University Beigang Hospital Thoracic Department, Yunlin, Taiwan.,Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chun-An Yeh
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - I-Chieh Huang
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Guan-Yu Huang
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chih-Hao Chiu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - B Mahalakshmi
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
| | - Su-Ying Wen
- Taipei City Hospital, Renai Branch, Dermatology, Taipei, Taiwan
| | - Chih-Yang Huang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan.,Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
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68
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Choi HS, Kim SL, Kim JH, Ko YC, Lee DS. Plant Volatile, Phenylacetaldehyde Targets Breast Cancer Stem Cell by Induction of ROS and Regulation of Stat3 Signal. Antioxidants (Basel) 2020; 9:antiox9111119. [PMID: 33202749 PMCID: PMC7697623 DOI: 10.3390/antiox9111119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer stem cells (CSCs) are undifferentiated cells that give rise to tumor and resistance to chemotherapy. This study reports that phenylacetaldehyde (PAA), a flower flavor, inhibits formation on breast CSCs. PAA showed anti-proliferation and increased apoptosis of breast cancer. PAA also reduced tumor growth in an in vivo mice model. PAA reduced the CD44+/CD24− and ALDH1-expressing cells, mammosphere formation, and CSC marker genes. PAA preferentially induced reactive oxygen species (ROS) production and combined treatment with PAA and N-acetyl cysteine (NAC) decreased inhibition of mammosphere formation. PAA reduced phosphorylation of nuclear Stat3. PAA inhibited Stat3 signaling through de-phosphorylation of Stat3 and reduced secretory IL-6. Our results suggest that the PAA-induced ROS deregulated Stat3/IL-6 pathway and PAA may be a potential agent targeting breast cancer and CSCs.
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Affiliation(s)
- Hack Sun Choi
- Subtropical/Tropical Organism Gene Bank, Jeju National University, Jeju 63243, Korea;
| | - Su-Lim Kim
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju 63243, Korea; (S.-L.K.); (J.-H.K.); (Y.-C.K.)
- School of Biomaterials Science and Technology, College of Applied Life Science, Jeju National University, Jeju 63243, Korea
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, SARI, Jeju 63243, Korea
- Practical Translational Research Center, Jeju National University, Jeju 63243, Korea
| | - Ji-Hyang Kim
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju 63243, Korea; (S.-L.K.); (J.-H.K.); (Y.-C.K.)
- School of Biomaterials Science and Technology, College of Applied Life Science, Jeju National University, Jeju 63243, Korea
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, SARI, Jeju 63243, Korea
- Practical Translational Research Center, Jeju National University, Jeju 63243, Korea
| | - Yu-Chan Ko
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju 63243, Korea; (S.-L.K.); (J.-H.K.); (Y.-C.K.)
| | - Dong-Sun Lee
- Subtropical/Tropical Organism Gene Bank, Jeju National University, Jeju 63243, Korea;
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju 63243, Korea; (S.-L.K.); (J.-H.K.); (Y.-C.K.)
- School of Biomaterials Science and Technology, College of Applied Life Science, Jeju National University, Jeju 63243, Korea
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, SARI, Jeju 63243, Korea
- Practical Translational Research Center, Jeju National University, Jeju 63243, Korea
- Correspondence: ; Tel.: +82-64-754-3340; Fax: +82-64-751-3780
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69
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Yu F, Zhu Y, Liu Y, Qiu G, Shang X, Meng T, Yuan H, Hu F. Poly-γ-glutamic acid derived nanopolyplexes for up-regulation of gamma-glutamyl transpeptidase to augment tumor active targeting and enhance synergistic antitumor therapy by regulating intracellular redox homeostasis. Biomater Sci 2020; 8:5955-5968. [PMID: 32966382 DOI: 10.1039/d0bm01254h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The active targeting strategy has achieved inspiring progress for drug accumulation in tumor therapy; however, the insufficient expression level of many potential receptors poses challenges for drug delivery. Poly-γ-glutamic acid (γ-pGluA), a naturally occurring anionic biopolymer, showed high affinity with tumor-associated gamma-glutamyl transpeptidase (GGT), which localized on the cell surface and exhibited intracellular redox homeostasis-dependent expression pattern; thus, GGT was utilized for mediating endocytosis of nanoparticles. Herein, GGT-targeting nanopolyplexes (γ-pGluA-CSO@Fe3+, PCFN) consisting of cationic chitosan and GGT-targeting γ-pGluA blended with iron ion were constructed to load reactive oxygen species-induced menadione (MA) and doxorubicin, which were utilized to investigate the mechanism of GGT up-regulation. Briefly, the pretreated PCFN/MA induced an intracellular oxidative stress environment, which facilitated adjusted up-regulated GGT expression and boosted tumor targeting. Subsequently, the destroyed redox homeostasis sensitized tumors for synergistic therapy. The innovative strategy of augmenting active targeting by disturbing intracellular redox homeostasis offers insight for the application of γ-pGluA-derived nanopolyplexes.
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Affiliation(s)
- Fangying Yu
- College of Pharmaceutical Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, People's Republic of China.
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70
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Kirtonia A, Sethi G, Garg M. The multifaceted role of reactive oxygen species in tumorigenesis. Cell Mol Life Sci 2020; 77:4459-4483. [PMID: 32358622 PMCID: PMC11105050 DOI: 10.1007/s00018-020-03536-5] [Citation(s) in RCA: 236] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 03/29/2020] [Accepted: 04/20/2020] [Indexed: 02/06/2023]
Abstract
Redox homeostasis is an essential requirement of the biological systems for performing various normal cellular functions including cellular growth, differentiation, senescence, survival and aging in humans. The changes in the basal levels of reactive oxygen species (ROS) are detrimental to cells and often lead to several disease conditions including cardiovascular, neurological, diabetes and cancer. During the last two decades, substantial research has been done which clearly suggests that ROS are essential for the initiation, progression, angiogenesis as well as metastasis of cancer in several ways. During the last two decades, the potential of dysregulated ROS to enhance tumor formation through the activation of various oncogenic signaling pathways, DNA mutations, immune escape, tumor microenvironment, metastasis, angiogenesis and extension of telomere has been discovered. At present, surgery followed by chemotherapy and/or radiotherapy is the major therapeutic modality for treating patients with either early or advanced stages of cancer. However, the majority of patients relapse or did not respond to initial treatment. One of the reasons for recurrence/relapse is the altered levels of ROS in tumor cells as well as in cancer-initiating stem cells. One of the critical issues is targeting the intracellular/extracellular ROS for significant antitumor response and relapse-free survival. Indeed, a large number of FDA-approved anticancer drugs are efficient to eliminate cancer cells and drug resistance by increasing ROS production. Thus, the modulation of oxidative stress response might represent a potential approach to eradicate cancer in combination with FDA-approved chemotherapies, radiotherapies as well as immunotherapies.
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Affiliation(s)
- Anuradha Kirtonia
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University Campus, Sector-125, Noida, Uttar Pradesh, 201313, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore.
| | - Manoj Garg
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University Campus, Sector-125, Noida, Uttar Pradesh, 201313, India.
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71
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Bhattacharya A, Mukherjee S, Khan P, Banerjee S, Dutta A, Banerjee N, Sengupta D, Basak U, Chakraborty S, Dutta A, Chattopadhyay S, Jana K, Sarkar DK, Chatterjee S, Das T. SMAR1 repression by pluripotency factors and consequent chemoresistance in breast cancer stem-like cells is reversed by aspirin. Sci Signal 2020; 13:13/654/eaay6077. [PMID: 33082288 DOI: 10.1126/scisignal.aay6077] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The high abundance of drug efflux pumps in cancer stem cells (CSCs) contributes to chemotherapy resistance. The transcriptional regulator SMAR1 suppresses CSC expansion in colorectal cancer, and increased abundance of SMAR1 is associated with better prognosis. Here, we found in breast tumors that the expression of SMAR1 was decreased in CSCs through the cooperative interaction of the pluripotency factors Oct4 and Sox2 with the histone deacetylase HDAC1. Overexpressing SMAR1 sensitized CSCs to chemotherapy through SMAR1-dependent recruitment of HDAC2 to the promoter of the gene encoding the drug efflux pump ABCG2. Treating cultured CSCs or 4T1 tumor-bearing mice with the nonsteroidal anti-inflammatory drug aspirin restored SMAR1 expression and ABCG2 repression and enhanced tumor sensitivity to doxorubicin. Our findings reveal transcriptional mechanisms regulating SMAR1 that also regulate cancer stemness and chemoresistance and suggest that, by restoring SMAR1 expression, aspirin might enhance chemotherapeutic efficacy in patients with stem-like tumors.
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Affiliation(s)
- Apoorva Bhattacharya
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Shravanti Mukherjee
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Poulami Khan
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Shruti Banerjee
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Apratim Dutta
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Nilanjan Banerjee
- Department of Biophysics, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Debomita Sengupta
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Udit Basak
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Sourio Chakraborty
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Abhishek Dutta
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Samit Chattopadhyay
- Department of Biological Sciences, BITS-Pilani, K K Birla Goa Campus, NH 17B, Zuarinagar, Goa-403 726, India
| | - Kuladip Jana
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Diptendra K Sarkar
- Department of Surgery, IPGMER and SSKM Hospital, Kolkata- 700 020, India
| | - Subhrangsu Chatterjee
- Department of Biophysics, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India
| | - Tanya Das
- Division of Molecular Medicine, Bose Institute, P-1/12 CIT Scheme VII M, Kolkata-700 054, India.
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Reactive Oxygen Species Induce Endothelial Differentiation of Liver Cancer Stem-Like Sphere Cells through the Activation of Akt/IKK Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1621687. [PMID: 33101583 PMCID: PMC7576363 DOI: 10.1155/2020/1621687] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 08/17/2020] [Accepted: 09/24/2020] [Indexed: 12/24/2022]
Abstract
Cancer stem cells (CSCs) from various cancers are able to transdifferentiate into endothelial cells and further form functional blood vessels, indicating another possible resistance mechanism to antiangiogenic agents. However, it remains unclear whether CSCs from hepatocellular carcinoma have the ability to differentiate into endothelial cells, and thus resulting in resistance to antiangiogenic therapy targeting VEGF. Reactive oxygen species (ROS) are involved in the self-renewal and differentiation of CSCs, yet, their role in endothelial differentiation of CSCs has been poorly understood. In this study, we found that cancer stem-like sphere cells enriched from human hepatocellular carcinoma cell line Hep G2 could differentiate into endothelial cells morphologically and functionally, and this process could be blocked by Akt1/2 kinase inhibitor and IKK-β inhibitor BAY 11-7082 but not by Bevacizumab, a VEGFA-binding antibody, and DAPT, a γ-secretase inhibitor. Both hydrogen peroxide and BSO (an inhibitor of GSH biosynthesis) induce the differentiation of cancer stem-like sphere cells into endothelial cells, which can be canceled by the antioxidant N-Acetyl-L-cysteine (NAC). We also found that hydrogen peroxide or BSO induces the phosphorylation of Akt and IKK of endothelial differentiated sphere cells. Accordingly, both Akt1/2 kinase inhibitor and BAY 11-7082 inhibited hydrogen peroxide and BSO-mediated endothelial differentiation of cancer stem-like sphere cells. Collectively, the results of the present study demonstrate that cancer stem-like sphere cells from Hep G2 are able to differentiate into endothelial cells both morphologically and functionally, and this process is independent of VEGF and NOTCH signaling but dependent on the activation of Akt and IKK. ROS promote endothelial differentiation of cancer stem-like sphere cells through activation of Akt/IKK signaling pathway. Therefore, our study reveals a novel mechanism of resistance to conventional antiangiogenic therapy and may provide a potential therapeutic target for liver cancer treatment.
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73
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Caverzán MD, Beaugé L, Chesta CA, Palacios RE, Ibarra LE. Photodynamic therapy of Glioblastoma cells using doped conjugated polymer nanoparticles: An in vitro comparative study based on redox status. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 212:112045. [PMID: 33022469 DOI: 10.1016/j.jphotobiol.2020.112045] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 09/15/2020] [Accepted: 09/28/2020] [Indexed: 12/11/2022]
Abstract
Due to their superb light absorption and photostability conjugated polymer nanoparticles are promising photosensitizers (PS) for their use in Photodynamic therapy (PDT). Recently, we developed metallated porphyrin-doped conjugated polymer nanoparticles (CPNs) for PDT that efficiently eliminate tumor cells through reactive oxygen species (ROS) mediated photoinduced damage of apoptotic nature. These nanoaggregates act as densely packed multi-chromophoric systems having exceptional light harvesting and (intra-particle) energy transfer capabilities which lead to efficient photosensitized formation of ROS. In general, three key components; light, PS, and oxygen; are considered in the prediction of the PDT outcome. However, recent studies led to the discovery of a profound genetic heterogeneity among glioblastoma (GBM) cells which include the adaptation to ROS. Thus, tumor heterogeneity and their associated difference in sensitivity to ROS-producing therapeutic agents must be considered in the design of PDT protocols for the prediction of its outcome. In this study, anticancer activity through ROS-mediated PDT using CPNs was compared in three GBM cell lines with different initial redox status. T98G cells were the most effective incorporating nanoparticles but also were the most resistant to CPN-PDT effect. In part, this feature could be attributed to the differential basal and PDT-induced antioxidant enzyme levels found in these cells measured by gene expression analysis. Furthermore, considering that cell-specific antioxidant enzyme status is a significant feature of GBM heterogeneity, establishing its correlation with CPN-PDT outcome might be important for designing novel and improved CPN-based treatments.
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Affiliation(s)
- Matías Daniel Caverzán
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto (UNRC), Río Cuarto 5800, Córdoba, Argentina
| | - Lucía Beaugé
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto (UNRC), Río Cuarto 5800, Córdoba, Argentina
| | - Carlos Alberto Chesta
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), UNRC y Consejo Nacional de, Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto 5800, Córdoba, Argentina.; Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto (UNRC), Río Cuarto 5800, Córdoba, Argentina
| | - Rodrigo Emiliano Palacios
- Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA), UNRC y Consejo Nacional de, Investigaciones Científicas y Tecnológicas (CONICET), Río Cuarto 5800, Córdoba, Argentina.; Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto (UNRC), Río Cuarto 5800, Córdoba, Argentina..
| | - Luis Exequiel Ibarra
- Departamento de Biología Molecular, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto (UNRC), Río Cuarto 5800, Córdoba, Argentina; Instituto de Biotecnología Ambiental y Salud (INBIAS), UNRC y CONICET, Río Cuarto 5800, Córdoba, Argentina.
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74
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Serum deprivation initiates adaptation and survival to oxidative stress in prostate cancer cells. Sci Rep 2020; 10:12505. [PMID: 32719369 PMCID: PMC7385110 DOI: 10.1038/s41598-020-68668-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 06/22/2020] [Indexed: 02/08/2023] Open
Abstract
Inadequate nutrient intake leads to oxidative stress disrupting homeostasis, activating signaling, and altering metabolism. Oxidative stress serves as a hallmark in developing prostate lesions, and an aggressive cancer phenotype activating mechanisms allowing cancer cells to adapt and survive. It is unclear how adaptation and survival are facilitated; however, literature across several organisms demonstrates that a reversible cellular growth arrest and the transcription factor, nuclear factor-kappaB (NF-κB), contribute to cancer cell survival and therapeutic resistance under oxidative stress. We examined adaptability and survival to oxidative stress following nutrient deprivation in three prostate cancer models displaying varying degrees of tumorigenicity. We observed that reducing serum (starved) induced reactive oxygen species which provided an early oxidative stress environment and allowed cells to confer adaptability to increased oxidative stress (H2O2). Measurement of cell viability demonstrated a low death profile in stressed cells (starved + H2O2), while cell proliferation was stagnant. Quantitative measurement of apoptosis showed no significant cell death in stressed cells suggesting an adaptive mechanism to tolerate oxidative stress. Stressed cells also presented a quiescent phenotype, correlating with NF-κB nuclear translocation, suggesting a mechanism of tolerance. Our data suggests that nutrient deprivation primes prostate cancer cells for adaptability to oxidative stress and/or a general survival mechanism to anti-tumorigenic agents.
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75
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Zhen X, Sun HN, Liu R, Choi HS, Lee DS. Non-thermal Plasma-activated Medium Induces Apoptosis of Aspc1 Cells Through the ROS-dependent Autophagy Pathway. In Vivo 2020; 34:143-153. [PMID: 31882473 DOI: 10.21873/invivo.11755] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 10/22/2019] [Accepted: 10/29/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND/AIM Numerous studies on various cancer cell lines have reported that direct exposure to non-thermal plasma treatment using plasma-activated medium (PAM) can be applied as a novel technology for cancer therapy. In this study, we investigated the inhibitory effects of PAM on Aspc1 pancreatic cancer cells and the mechanisms responsible for the cell death observed. MATERIALS AND METHODS A colony-formation, sphere-formation, wound-healing and transwell assays, immunocytochemistry and western blot analysis were used monitor effects of PAM. RESULTS PAM induced a greater cytotoxic effect in pancreatic cancer cells compared to that induced in NIH3T3 cells and 293T cells, and significantly inhibited colony and sphere formation, and cell migration of Aspc1 cells. Furthermore, PAM treatment increased the accumulation of reactive oxygen species (ROS) and reduced the mitochondrial membrane potential in Aspc1 cells. In addition, PAM treatment down-regulated the AKT serine/threonine kinase 1/signal transducer and activator of transcription 3 signaling pathway and induced ROS-dependent cellular autophagy. CONCLUSION Our findings suggest that PAM can induce apoptosis of Aspc1 cells through ROS-dependent autophagy and may be a candidate for use in pancreatic cancer therapeutics.
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Affiliation(s)
- Xing Zhen
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, Republic of Korea
| | - Hu-Nan Sun
- Department of Disease Model Animal Research Center, College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Daqing, P.R. China
| | - Ren Liu
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, Republic of Korea
| | - Hack Sun Choi
- Subtropical/Tropical Organism Gene Bank, Jeju National University, Jeju, Republic of Korea
| | - Dong-Sun Lee
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, Republic of Korea .,Subtropical/Tropical Organism Gene Bank, Jeju National University, Jeju, Republic of Korea.,Practical Translational Research Center, Jeju National University, Jeju, Republic of Korea
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76
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Kim DH, Jang JH, Kwon OS, Cha HJ, Youn HJ, Chun KS, Surh YJ. Nuclear Factor Erythroid-Derived 2-Like 2-Induced Reductive Stress Favors Self-Renewal of Breast Cancer Stem-Like Cells via the FoxO3a-Bmi-1 Axis. Antioxid Redox Signal 2020; 32:1313-1329. [PMID: 31672029 DOI: 10.1089/ars.2019.7730] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Aims: A subpopulation of cancer cells, termed cancer stem cells (CSCs), has stemness properties, such as self-renewal and differentiation, which drive cancer recurrence and tumor resistance. CSCs possess enhanced protection capabilities to maintain reduced intracellular levels of reactive oxygen species (ROS) compared with nonstem-like cancer cells. This study investigated whether reductive stress could regulate self-renewal activity in breast CSCs. Results: We found that manifestation of stemness in breast cancer stem-like cells was associated with an elevated production of reduced glutathione (GSH) maintained by upregulation of glutamate cysteine ligase catalytic subunit (GCLC) and consequently, lowered ROS levels. This was accompanied by upregulation of phospho-AMP-activated protein kinase, FoxO3a, and Bmi-1. Notably, expression of nuclear factor erythroid-derived 2-like 2 (Nrf2) protein was substantially increased in cells undergoing sphere formation. We noticed that expression of Bmi-1 was inhibited after introduction of Nrf2 short interfering RNA into MCF-7 mammosphere cells. Silencing of Nrf2 expression suppressed the xenograft growth of subcutaneously or orthotopically injected human breast cancer cells. Innovation: Association between Nrf2 and self-renewal signaling in CSCs has been reported, but the underlying molecular mechanism remains largely unresolved. This study demonstrates the Nrf2-mediated signaling pathway in maintenance of reductive stress in breast CSCs. Conclusion: Nrf2 overactivation in breast CSCs upregulates GCLC expression and consequently enhances GSH biosynthesis with concurrent reduction in intracellular ROS accumulation, thereby provoking the reductive stress. The consequent upregulation of nuclear FoxO3a and its binding to the promoter of the gene encoding Bmi-1 account for the self-renewal activity of breast cancer stem-like cells and their growth in a xenograft mouse model.
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Affiliation(s)
- Do-Hee Kim
- Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, South Korea.,Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, South Korea
| | - Jeong-Hoon Jang
- Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, South Korea
| | - Ok-Seon Kwon
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Hyuk-Jin Cha
- Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, South Korea.,Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Hyo-Jin Youn
- Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, South Korea
| | - Kyung-Soo Chun
- Department of Pharmacy, College of Pharmacy, Keimyung University, Daegu, South Korea
| | - Young-Joon Surh
- Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, South Korea.,Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, South Korea.,Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul, South Korea.,Cancer Research Institute, Seoul National University, Seoul, South Korea
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77
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Sun Q, Zhang Z, Lu Y, Liu Q, Xu X, Xu J, Liu Y, Yu H, Yu D, Sun B. Loss of Xanthine Oxidoreductase Potentiates Propagation of Hepatocellular Carcinoma Stem Cells. Hepatology 2020; 71:2033-2049. [PMID: 31578733 DOI: 10.1002/hep.30978] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 09/28/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND AIMS Liver cancer stem cells (CSCs) exist in the tumor environment and are critically involved in the initiation and progression of hepatocellular carcinoma (HCC). However, the underlying molecular mechanisms of self-renewal and maintenance of liver CSCs remain poorly understood. APPROACH AND RESULTS We identified that xanthine oxidoreductase (XOR), which was expressed at low levels in human HCC samples and liver CSCs, restrained HCC formation and chemoresistance by attenuating liver CSC propagation. Mechanistically, XOR physically interacts with ubiquitin-specific peptidase 15 (USP15), thereby promoting deubiquitination of Kelch-like ECH associated protein 1 (KEAP1) to stabilize its expression, which leads to degradation of Nrf2 (nuclear factor erythroid 2-related factor 2) through ubiquitination and subsequently reactive oxygen species accumulation in liver CSCs. Finally, our data reveal that XOR promotes USP15-mediated Nrf2-KEAP1 signaling to block liver CSCs and tumor propagation. CONCLUSION We identified that XOR may represent a potential therapeutic target for clinical intervention in HCC driven by liver CSCs.
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Affiliation(s)
- Qikai Sun
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zechuan Zhang
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yijun Lu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Qiaoyu Liu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Xiaoliang Xu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Jianbo Xu
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yang Liu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hailong Yu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Decai Yu
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Beicheng Sun
- Department of Hepatobiliary Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, China
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78
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Omar AM, El-Araby ME, Abdelghany TM, Safo MK, Ahmed MH, Boothello R, Patel BB, Abdel-Bakky MS, Malebari AM, Ahmed HEA, Elhaggar RS. Introducing of potent cytotoxic novel 2-(aroylamino)cinnamamide derivatives against colon cancer mediated by dual apoptotic signal activation and oxidative stress. Bioorg Chem 2020; 101:103953. [PMID: 32474179 DOI: 10.1016/j.bioorg.2020.103953] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 05/15/2020] [Accepted: 05/16/2020] [Indexed: 02/07/2023]
Abstract
Curcumin and trans-cinnamaldehyde are acrolein-based Michael acceptor compounds that are commonly found in domestic condiments, and known to cause cancer cell death via redox mechanisms. Based on the structural features of these compounds we designed and synthesized several 2-cinnamamido-N-substituted-cinnamamide (bis-cinnamamide) compounds. One of the derivatives, (Z)-2-[(E)-cinnamamido]-3-phenyl-N-propylacrylamide 8 showed a moderate antiproliferative potency (HCT-116 cell line inhibition of 32.0 µM), no inhibition of normal cell lines C-166, and proven cellular activities leading to apoptosis. SAR studies led to more than 10-fold increase in activity. Our most promising compound, [(Z)-3-(1H-indol-3-yl)-N-propyl-2-[(E)-3-(thien-2-yl)propenamido)propenamide] 45 killed colon cancer cells at IC50 = 0.89 µM (Caco-2), 2.85 µM (HCT-116) and 1.65 µM (HT-29), while exhibiting much weaker potency on C-166 and BHK normal cell lines (IC50 = 71 µM and 77.6 µM, respectively). Cellular studies towards identifying the compounds mechanism of cytotoxic activities revealed that apoptotic induction occurs in part as a result of oxidative stress. Importantly, the compounds showed inhibition of cancer stem cells that are critical for maintaining the potential for self-renewal and stemness. The results presented here show discovery of covalently acting Michael addition compounds that potently kill cancer cells by a defined mechanism, with prominent selectivity profile over non-cancerous cell lines.
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Affiliation(s)
- Abdelsattar M Omar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt.
| | - Moustafa E El-Araby
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Tamer M Abdelghany
- Department of Pharmacology, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt
| | - Martin K Safo
- Department of Medicinal Chemistry, and the Institute for Structural Biology, Drug Discovery and Development, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Mostafa H Ahmed
- Department of Medicinal Chemistry, and the Institute for Structural Biology, Drug Discovery and Development, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Rio Boothello
- Division of Hematology and Oncology, Department of Medicine, Virginia Commonwealth University, and Massey Cancer Center, Richmond, VA 23298. USA; Hunter Holmes McGuire VA Medical Center, Richmond, VA 23249, USA
| | - Bhaumik B Patel
- Division of Hematology and Oncology, Department of Medicine, Virginia Commonwealth University, and Massey Cancer Center, Richmond, VA 23298. USA; Hunter Holmes McGuire VA Medical Center, Richmond, VA 23249, USA
| | - Mohamed S Abdel-Bakky
- Department of Pharmacology, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt
| | - Azizah M Malebari
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hany E A Ahmed
- Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Al-Madinah Al-Munawarah 47114, Saudi Arabia; Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt.
| | - Radwan S Elhaggar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo 11790, Egypt
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79
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Zeng Y, Komasa S, Nishida H, Agariguchi A, Sekino T, Okazaki J. Enhanced Osseointegration and Bio-Decontamination of Nanostructured Titanium Based on Non-Thermal Atmospheric Pressure Plasma. Int J Mol Sci 2020; 21:ijms21103533. [PMID: 32429471 PMCID: PMC7278937 DOI: 10.3390/ijms21103533] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/07/2020] [Accepted: 05/13/2020] [Indexed: 12/12/2022] Open
Abstract
Alkali-treated titanate layer with nanonetwork structures (TNS) is a promising surface for improving osseointegration capacity in implants. Nevertheless, there is a risk of device failure as a result of insufficient resistance to biofilm contamination. This study tested whether treatment using a handheld non-thermal plasma device could efficiently eliminate biofilm contamination without destroying the surface nanostructure while re-establishing a surface that promoted new bone generation. TNS specimens were treated by a piezoelectric direct discharge (PDD) plasma generator. The effect of decontamination was performed utilizing Staphylococcus aureus. The evaluation of initial cell attachment with adhesion images, alkaline phosphatase activity, extracellular matrix mineralization, and expression of genes related to osteogenesis was performed using rat bone marrow mesenchymal stem cells, and the bone response were evaluated in vivo using a rat femur model. Nanotopography and surface roughness did not significantly differ before and after plasma treatments. Cell and bone formation activity were improved by TNS plasma treatment. Furthermore, plasma treatment effectively eliminated biofilm contamination from the surface. These results suggested that this plasma treatment may be a promising approach for the treatment of nanomaterials immediately before implantation and a therapeutic strategy for peri-implantitis.
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Affiliation(s)
- Yuhao Zeng
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata-shi, Osaka 573-1121, Japan
| | - Satoshi Komasa
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata-shi, Osaka 573-1121, Japan
| | - Hisataka Nishida
- The Institute of Scientific and Industrial Research, Osaka University, Suita, Osaka 565-0871, Japan
| | - Akinori Agariguchi
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata-shi, Osaka 573-1121, Japan
| | - Tohru Sekino
- The Institute of Scientific and Industrial Research, Osaka University, Suita, Osaka 565-0871, Japan
| | - Joji Okazaki
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata-shi, Osaka 573-1121, Japan
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80
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Han XC, Zhang YJ, Dong X, Xing QZ, Li KH, Zhang L. Sevoflurane modulates the cancer stem cell-like properties and mitochondrial membrane potential of glioma via Ca 2+-dependent CaMKII/JNK cascade. Life Sci 2020; 253:117675. [PMID: 32360621 DOI: 10.1016/j.lfs.2020.117675] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 04/01/2020] [Accepted: 04/11/2020] [Indexed: 12/24/2022]
Abstract
AIMS Gliomas are responsible for the majority of deaths from primary brain tumours. Sevoflurane showed inhibition effects on the tumor progression in vitro. However, whether sevoflurane could affect the stemness of glioma stem cells (GSCs) and the potential molecular mechanism have not been well elucidated. MAIN METHODS Effects of sevoflurane on cell viability, proliferation and invasion ability of glioma cells as well as tumor growth in vivo were assessed. Sphere formation assay was performed to evaluate the effect of sevoflurane on the stemness of GSCs. Effects of sevoflurane on mitochondrial function was evaluated by intracellular/mitochondrial reactive oxygen species (ROS) level and mitochondrial membrane potential. Expression levels of proliferation-related proteins, stemness markers and proteins in CaMKII/JNK cascade were measured by Western blot. KEY FINDINGS Sevoflurane inhibited the viability, proliferation and invasion ability of glioma cells (U87MG and U373MG). Western blot showed that sevoflurane decreased the expression levels of proliferation and invasion-related proteins. Sphere formation ability of GSCs, expression levels of stemness markers and mitochondrial function were significantly suppressed by sevoflurane. Moreover, sevoflurane treatment significantly increased the Ca2+ concentration and stimulated phosphorylation of CaMKII, JNK and IRS1. Ca2+ chelator BAPTA-AM combined with sevoflurane synergistically inhibited colony forming ability and the expression levels of proliferation-related proteins and stemness markers. In addition, the in vivo study further confirmed that sevoflurane inhibited tumor growth via Ca2+-dependent CaMKII/JNK cascade. SIGNIFICANCE The present study demonstrated that sevoflurane inhibited glioma tumorigenesis and modulated the cancer stem cell-like properties and mitochondrial membrane potential via activation of Ca2+-dependent CaMKII/JNK cascade.
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Affiliation(s)
- Xue-Chang Han
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 JingHua Road, Jianxi District, Luoyang 471003, Henan Province, China.
| | - Ya-Jie Zhang
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 JingHua Road, Jianxi District, Luoyang 471003, Henan Province, China
| | - Xu Dong
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 JingHua Road, Jianxi District, Luoyang 471003, Henan Province, China
| | - Qun-Zhi Xing
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 JingHua Road, Jianxi District, Luoyang 471003, Henan Province, China
| | - Ke-Han Li
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 JingHua Road, Jianxi District, Luoyang 471003, Henan Province, China
| | - Lu Zhang
- The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, No. 24 JingHua Road, Jianxi District, Luoyang 471003, Henan Province, China
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81
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Liu T, Karlsen M, Karlberg AM, Redalen KR. Hypoxia imaging and theranostic potential of [ 64Cu][Cu(ATSM)] and ionic Cu(II) salts: a review of current evidence and discussion of the retention mechanisms. EJNMMI Res 2020; 10:33. [PMID: 32274601 PMCID: PMC7145880 DOI: 10.1186/s13550-020-00621-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 03/19/2020] [Indexed: 02/07/2023] Open
Abstract
Background Tumor hypoxia (low tissue oxygenation) is an adverse condition of the solid tumor environment, associated with malignant progression, radiotherapy resistance, and poor prognosis. One method to detect tumor hypoxia is by positron emission tomography (PET) with the tracer [64Cu][Cu-diacetyl-bis(N(4)-methylthiosemicarbazone)] ([64Cu][Cu(ATSM)]), as demonstrated in both preclinical and clinical studies. In addition, emerging studies suggest using [64Cu][Cu(ATSM)] for molecular radiotherapy, mainly due to the release of therapeutic Auger electrons from copper-64, making [64Cu][Cu(ATSM)] a “theranostic” agent. However, the radiocopper retention based on a metal-ligand dissociation mechanism under hypoxia has long been controversial. Recent studies using ionic Cu(II) salts as tracers have raised further questions on the original mechanism and proposed a potential role of copper itself in the tracer uptake. We have reviewed the evidence of using the copper radiopharmaceuticals [60/61/62/64Cu][Cu(ATSM)]/ionic copper salts for PET imaging of tumor hypoxia, their possible therapeutic applications, issues related to the metal-ligand dissociation mechanism, and possible explanations of copper trapping based on studies of the copper metabolism under hypoxia. Results We found that hypoxia selectivity of [64Cu][Cu(ATSM)] has been clearly demonstrated in both preclinical and clinical studies. Preclinical therapeutic studies in mice have also demonstrated promising results, recently reporting significant tumor volume reductions and improved survival in a dose-dependent manner. Cu(II)-[Cu(ATSM)] appears to be accumulated in regions with substantially higher CD133+ expression, a marker for cancer stem cells. This, combined with the reported requirement of copper for activation of the hypoxia inducible factor 1 (HIF-1), provides a possible explanation for the therapeutic effects of [64Cu][Cu(ATSM)]. Comparisons between [64Cu][Cu(ATSM)] and ionic Cu(II) salts have showed similar results in both imaging and therapeutic studies, supporting the argument for the central role of copper itself in the retention mechanism. Conclusions We found promising evidence of using copper-64 radiopharmaceuticals for both PET imaging and treatment of hypoxic tumors. The Cu(II)-[Cu(ATSM)] retention mechanism remains controversial and future mechanistic studies should be focused on understanding the role of copper itself in the hypoxic tumor metabolism.
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Affiliation(s)
- Tengzhi Liu
- Department of Physics, Norwegian University of Science and Technology, Høgskoleringen 5, 7491, Trondheim, Norway.,Department of Radiology and Nuclear Medicine, St. Olavs hospital, Trondheim University Hospital, Trondheim, Norway
| | - Morten Karlsen
- Department of Radiology and Nuclear Medicine, St. Olavs hospital, Trondheim University Hospital, Trondheim, Norway
| | - Anna Maria Karlberg
- Department of Radiology and Nuclear Medicine, St. Olavs hospital, Trondheim University Hospital, Trondheim, Norway.,Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Kathrine Røe Redalen
- Department of Physics, Norwegian University of Science and Technology, Høgskoleringen 5, 7491, Trondheim, Norway.
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Chokki M, Cudălbeanu M, Zongo C, Dah-Nouvlessounon D, Ghinea IO, Furdui B, Raclea R, Savadogo A, Baba-Moussa L, Avamescu SM, Dinica RM, Baba-Moussa F. Exploring Antioxidant and Enzymes (A-Amylase and B-Glucosidase) Inhibitory Activity of Morinda lucida and Momordica charantia Leaves from Benin. Foods 2020; 9:foods9040434. [PMID: 32260400 PMCID: PMC7230926 DOI: 10.3390/foods9040434] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 03/25/2020] [Accepted: 04/01/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Momordica charantia Linn. (Cucurbitaceae), the wild variety of bitter melon and Morinda lucida Benth (Rubiaceae) were commonly used as a popular folk medicine in Benin. This research focused to measure the antioxidant and enzyme inhibitory effects of M. charantia and M. lucida leaves and their antidiabetic activity. METHODS Antioxidant activities were evaluated by micro-dilution technique using DPPH free radical scavenging activity and β-carotene-linoleate bleaching assay. The α-amylase inhibition assay was carried out utilizing the 3,5-dinitrosalicylic acid procedure, while β-glucosidase inhibition assay was demonstrated using as substrate p-nitrophenyl-β-D-glucopyranoside (PNPG). HPLC-DAD analysis was realized using a high-performance liquid chromatography systems with diode-array detector, L-3000. RESULTS Chlorogenic acid, epicatechin, daidzein, rutin, naringin, quercetin, naringenin and genistein were identified as polyphenol compounds in the both plants extract. Dichloromethane and ethyl acetate extracts showed a good α-amylase inhibitory activity (56.46 ± 1.96% and 58.76 ± 2.74% respectively). M. lucida methanolic extract has shown IC50 of 0.51 ± 0.01 mg/mL, which is the lowest for DPPH scavenging activity. M. lucida dichloromethane extract showed the highest inhibitory capacity of β-glucosidase activity (82.11. ± 2.15%). CONCLUSION These results justify some traditional medicinal uses of both plants. The purified fractions could be used in future formulations, possibly incorporated in functional foods to combat certain diseases.
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Affiliation(s)
- Michaelle Chokki
- Laboratoire de Microbiologie et de Technologie Alimentaire, FAST, Université d’Abomey-Calavi, ISBA-Champ de foire, Cotonou 01BP: 526, Benin
- Laboratoire de Biochimie et immunologie Appliquées (LABIA), Ecole Doctorale Sciences et Technologies, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina-Faso; (C.Z.); (A.S.)
- Department of Chemistry, Physics and Environment, “Dunarea de Jos” University of Galati, 47 Domneasca Street, 800008 Galati, Romania; (M.C.); (D.D.-N.); (I.O.G.)
| | - Mihaela Cudălbeanu
- Department of Chemistry, Physics and Environment, “Dunarea de Jos” University of Galati, 47 Domneasca Street, 800008 Galati, Romania; (M.C.); (D.D.-N.); (I.O.G.)
| | - Cheikna Zongo
- Laboratoire de Biochimie et immunologie Appliquées (LABIA), Ecole Doctorale Sciences et Technologies, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina-Faso; (C.Z.); (A.S.)
| | - Durand Dah-Nouvlessounon
- Department of Chemistry, Physics and Environment, “Dunarea de Jos” University of Galati, 47 Domneasca Street, 800008 Galati, Romania; (M.C.); (D.D.-N.); (I.O.G.)
- Laboratory of Biology and Molecular Typing in Microbiology, Department of Biochemistry and Cell Biology, University of Abomey-Calavi, Faculty of Sciences and Techniques, Cotonou 05BP1604, Benin;
| | - Ioana Otilia Ghinea
- Department of Chemistry, Physics and Environment, “Dunarea de Jos” University of Galati, 47 Domneasca Street, 800008 Galati, Romania; (M.C.); (D.D.-N.); (I.O.G.)
| | - Bianca Furdui
- Department of Chemistry, Physics and Environment, “Dunarea de Jos” University of Galati, 47 Domneasca Street, 800008 Galati, Romania; (M.C.); (D.D.-N.); (I.O.G.)
- Correspondence: (R.M.D.); (B.F.); (F.B.-M.); Tel.: +033-6130-251 (R.M.D.); +033-6130-251 (B.F.); +229-9692-68-28 (F.B.-M.)
| | - Robert Raclea
- Department of Chemistry, Faculty of Natural Sciences, Imperial College London, London SW7 2AZ, UK;
| | - Aly Savadogo
- Laboratoire de Biochimie et immunologie Appliquées (LABIA), Ecole Doctorale Sciences et Technologies, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina-Faso; (C.Z.); (A.S.)
| | - Lamine Baba-Moussa
- Laboratory of Biology and Molecular Typing in Microbiology, Department of Biochemistry and Cell Biology, University of Abomey-Calavi, Faculty of Sciences and Techniques, Cotonou 05BP1604, Benin;
| | - Sorin Marius Avamescu
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90-92 Soseaua Panduri, Bucharest, Romania;
- University of Agronomic Science and Veterinary Medicine, 59 Marasti Blvd, 011464 Bucharest, Romania
| | - Rodica Mihaela Dinica
- Department of Chemistry, Physics and Environment, “Dunarea de Jos” University of Galati, 47 Domneasca Street, 800008 Galati, Romania; (M.C.); (D.D.-N.); (I.O.G.)
- Correspondence: (R.M.D.); (B.F.); (F.B.-M.); Tel.: +033-6130-251 (R.M.D.); +033-6130-251 (B.F.); +229-9692-68-28 (F.B.-M.)
| | - Farid Baba-Moussa
- Laboratoire de Microbiologie et de Technologie Alimentaire, FAST, Université d’Abomey-Calavi, ISBA-Champ de foire, Cotonou 01BP: 526, Benin
- Correspondence: (R.M.D.); (B.F.); (F.B.-M.); Tel.: +033-6130-251 (R.M.D.); +033-6130-251 (B.F.); +229-9692-68-28 (F.B.-M.)
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83
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ROS and oncogenesis with special reference to EMT and stemness. Eur J Cell Biol 2020; 99:151073. [PMID: 32201025 DOI: 10.1016/j.ejcb.2020.151073] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 02/10/2020] [Accepted: 03/10/2020] [Indexed: 01/03/2023] Open
Abstract
Elevation of the level of intracellular reactive oxygen species (ROS) has immense implication in the biological system. On the one hand, ROS promote the signaling cascades for the maintenance of normal physiological functions, the phenomenon referred to as redox biology, and on the other hand increased ROS can cause damages to the cellular macromolecules as well as genetic material, the process known as oxidative stress. Oxidative stress acts as an etiological factor for wide varieties of pathologies, cancer being one of them. ROS is regarded as a "double-edged sword" with respect to oncogenesis. It can suppress as well as promote the malignant progression depending on the type of signaling pathway it uses. Moreover, the attribution of ROS in promoting phenotypic plasticity as well as acquisition of stemness during neoplasia has become a wide area of research. The current review discussed all the aspects of ROS in the perspective of tumor biology with special reference to epithelial-mesenchymal transition (EMT) and cancer stem cells.
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84
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Zhou Y, Wang L, Wang C, Wu Y, Chen D, Lee TH. Potential implications of hydrogen peroxide in the pathogenesis and therapeutic strategies of gliomas. Arch Pharm Res 2020; 43:187-203. [PMID: 31956964 DOI: 10.1007/s12272-020-01205-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 01/05/2020] [Indexed: 12/15/2022]
Abstract
Glioma is the most common type of primary brain tumor, and it has a high mortality rate. Currently, there are only a few therapeutic approaches for gliomas, and their effects are unsatisfactory. Therefore, uncovering the pathogenesis and exploring more therapeutic strategies for the treatment of gliomas are urgently needed to overcome the ongoing challenges. Cellular redox imbalance has been shown to be associated with the initiation and progression of gliomas. Among reactive oxygen species (ROS), hydrogen peroxide (H2O2) is considered the most suitable for redox signaling and is a potential candidate as a key molecule that determines the fate of cancer cells. In this review, we discuss the potential cellular and molecular roles of H2O2 in gliomagenesis and explore the potential implications of H2O2 in radiotherapy and chemotherapy and in the ongoing challenges of current glioma treatment. Moreover, we evaluate H2O2 as a potential redox sensor and potential driver molecule of nanocatalytic therapeutic strategies for glioma treatment.
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Affiliation(s)
- Ying Zhou
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, 1 Xuefu North Road, Fuzhou, 350122, Fujian, China.,Key Laboratory of Brain Aging and Neurodegenerative Diseases of Fujian Provincial Universities and Colleges, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350122, Fujian, China
| | - Long Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, 1 Xuefu North Road, Fuzhou, 350122, Fujian, China
| | - Chaojia Wang
- The First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, 150040, Heilongjiang, China
| | - Yilin Wu
- The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Dongmei Chen
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, 1 Xuefu North Road, Fuzhou, 350122, Fujian, China
| | - Tae Ho Lee
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, 1 Xuefu North Road, Fuzhou, 350122, Fujian, China.
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85
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Low-oxygen and knock-out serum maintain stemness in human retinal progenitor cells. Mol Biol Rep 2020; 47:1613-1623. [DOI: 10.1007/s11033-020-05248-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 01/03/2020] [Indexed: 12/14/2022]
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86
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Yang Q, Li K, Huang X, Zhao C, Mei Y, Li X, Jiao L, Yang H. lncRNA SLC7A11-AS1 Promotes Chemoresistance by Blocking SCF β-TRCP-Mediated Degradation of NRF2 in Pancreatic Cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 19:974-985. [PMID: 32036249 PMCID: PMC7013141 DOI: 10.1016/j.omtn.2019.11.035] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 11/05/2019] [Indexed: 12/18/2022]
Abstract
Drug resistance is the major obstacle of gemcitabine-based chemotherapy for the treatment of pancreatic ductal adenocarcinoma (PDAC). Many long non-coding RNAs (lncRNAs) are reported to play vital roles in cancer initiation and progression. Here, we report that lncRNA SLC7A11-AS1 is involved in gemcitabine resistance of PDAC. SLC7A11-AS1 is overexpressed in PDAC tissues and gemcitabine-resistant cell lines. Knockdown of SLC7A11-AS1 weakens the PDAC stemness and potentiates the sensitivity of resistant PDAC cells toward gemcitabine in vitro and in vivo. SLC7A11-AS1 promotes chemoresistance through reducing intracellular reactive oxygen species (ROS) by stabilizing nuclear factor erythroid-2-related factor 2 (NRF2), the key regulator in antioxidant defense. Mechanically, SLC7A11-AS1 is co-localized with β-TRCP1 in the nucleus. The exon 3 of SLC7A11-AS1 interacts with the F-box motif of β-TRCP1, the critical domain that recruits β-TRCP1 to the SCFβ-TRCP E3 complex. This interaction prevents the consequent ubiquitination and proteasomal degradation of NRF2 in the nucleus. Our results demonstrate that the overexpression of SLC7A11-AS1 in gemcitabine-resistant PDAC cells can scavenge ROS by blocking SCFβ-TRCP-mediated ubiquitination and degradation of NRF2, leading to a low level of intracellular ROS, which is required for the maintenance of cancer stemness. These findings suggest SLC7A11-AS1 as a therapeutic target to overcome gemcitabine resistance for PDAC treatment.
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Affiliation(s)
- Qingzhu Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Kai Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Xuemei Huang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Chen Zhao
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Yu Mei
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Xinyuan Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Lin Jiao
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Huanjie Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin 150001, China.
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87
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Freund RRA, Gobrecht P, Fischer D, Arndt HD. Advances in chemistry and bioactivity of parthenolide. Nat Prod Rep 2020; 37:541-565. [DOI: 10.1039/c9np00049f] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
(−)-Parthenolide is a germacrane sesquiterpene lactone, available in ample amounts from the traditional medical plant feverfew (Tanacetum parthenium).
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Affiliation(s)
- Robert R. A. Freund
- Institut für Organische Chemie und Makromolekulare Chemie
- Friedrich-Schiller-Universität
- D-07743 Jena
- Germany
| | - Philipp Gobrecht
- Lehrstuhl für Zellphysiologie
- Ruhr-Universität Bochum
- D-44780 Bochum
- Germany
| | - Dietmar Fischer
- Lehrstuhl für Zellphysiologie
- Ruhr-Universität Bochum
- D-44780 Bochum
- Germany
| | - Hans-Dieter Arndt
- Institut für Organische Chemie und Makromolekulare Chemie
- Friedrich-Schiller-Universität
- D-07743 Jena
- Germany
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88
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Gansukh E, Nile A, Sivanesan I, Rengasamy KRR, Kim DH, Keum YS, Saini RK. Chemopreventive Effect of β-Cryptoxanthin on Human Cervical Carcinoma (HeLa) Cells Is Modulated through Oxidative Stress-Induced Apoptosis. Antioxidants (Basel) 2019; 9:antiox9010028. [PMID: 31892217 PMCID: PMC7022418 DOI: 10.3390/antiox9010028] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/19/2019] [Accepted: 12/25/2019] [Indexed: 12/24/2022] Open
Abstract
The present study was aimed to assess cellular and molecular events involved in the chemopreventive activities of β-cryptoxanthin derived from mandarin oranges (Citrus unshiu Marc.) on human cervical carcinoma (HeLa) cells. In vitro experiments established that β-cryptoxanthin significantly inhibited the proliferation of HeLa cells with the IC50 value of 4.5 and 3.7 µM after 24 and 48 h of treatments, respectively. β-cryptoxanthin-treated HeLa cells exhibited enhanced levels of oxidative stress correlated with significant downregulation of anti-apoptotic Bcl-2, and upregulation of pro-apoptotic Bax mRNA expression. Moreover, β-cryptoxanthin triggered nuclear condensation and disruption of the integrity of the mitochondrial membrane, upregulated caspase-3, -7, and -9 mRNA, and enhanced activation of caspase-3 proteins, resulting in nuclei DNA damage and apoptosis of HeLa cells. Remarkably, TUNEL assay carried out to detect nuclei DNA damage showed 52% TUNEL-positive cells after treatment with a physiological concentration of β-cryptoxanthin (1.0 μM), which validates its potential as an anticancer drug of natural origin.
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Affiliation(s)
- Enkhtaivan Gansukh
- Department of Bioresources and Food Science, Konkuk University, Seoul 143-701, Korea; (E.G.); (A.N.); (I.S.); (K.R.R.R.); (D.-H.K.)
| | - Arti Nile
- Department of Bioresources and Food Science, Konkuk University, Seoul 143-701, Korea; (E.G.); (A.N.); (I.S.); (K.R.R.R.); (D.-H.K.)
| | - Iyyakkannu Sivanesan
- Department of Bioresources and Food Science, Konkuk University, Seoul 143-701, Korea; (E.G.); (A.N.); (I.S.); (K.R.R.R.); (D.-H.K.)
- Institute of Natural Science and Agriculture, Konkuk University, Seoul 143-701, Korea
| | - Kannan R. R. Rengasamy
- Department of Bioresources and Food Science, Konkuk University, Seoul 143-701, Korea; (E.G.); (A.N.); (I.S.); (K.R.R.R.); (D.-H.K.)
| | - Doo-Hwan Kim
- Department of Bioresources and Food Science, Konkuk University, Seoul 143-701, Korea; (E.G.); (A.N.); (I.S.); (K.R.R.R.); (D.-H.K.)
| | - Young-Soo Keum
- Department of Crop Science, Konkuk University, Seoul 143-701, Korea;
| | - Ramesh Kumar Saini
- Department of Bioresources and Food Science, Konkuk University, Seoul 143-701, Korea; (E.G.); (A.N.); (I.S.); (K.R.R.R.); (D.-H.K.)
- Institute of Natural Science and Agriculture, Konkuk University, Seoul 143-701, Korea
- Department of Crop Science, Konkuk University, Seoul 143-701, Korea;
- Correspondence: ; Tel.: +82-2450-3739; Fax: +82-3436-5439
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89
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Caldas-Lopes E, Gomez-Arteaga A, Guzman ML. Approaches to Targeting Cancer Stem Cells in Solid Tumors. Curr Stem Cell Res Ther 2019; 14:421-427. [PMID: 30806324 DOI: 10.2174/1574888x14666190222164429] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 11/08/2018] [Accepted: 01/20/2019] [Indexed: 12/11/2022]
Abstract
CSCs are a population of self-renewing and tumor repopulating cells that have been observed in hematologic and solid tumors and their presence contributes to the development of drug resistance. The failure to eliminate CSCs with conventional therapy is one of major obstacles in the successful treatment of cancer. Several mechanisms have been described to contribute to CSCs chemoresistance properties that include the adoption of drug-efflux pumps, drug detoxification pathways, changes in metabolism, improved DNA repair mechanisms, and deregulated survival and pro-apoptotic pathways. Thus, CSCs are therefore an attractive target to develop new anti-cancer therapies.
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Affiliation(s)
- Eloisi Caldas-Lopes
- Division of Hematology Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, United States
| | - Alexandra Gomez-Arteaga
- Division of Hematology Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, United States
| | - Monica L Guzman
- Division of Hematology Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, United States.,Department of Pharmacology, Weill Cornell Medicine, New York, NY, United States
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90
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R. Babu K, Tay Y. The Yin-Yang Regulation of Reactive Oxygen Species and MicroRNAs in Cancer. Int J Mol Sci 2019; 20:ijms20215335. [PMID: 31717786 PMCID: PMC6862169 DOI: 10.3390/ijms20215335] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 01/17/2023] Open
Abstract
Reactive oxygen species (ROS) are highly reactive oxygen-containing chemical species formed as a by-product of normal aerobic respiration and also from a number of other cellular enzymatic reactions. ROS function as key mediators of cellular signaling pathways involved in proliferation, survival, apoptosis, and immune response. However, elevated and sustained ROS production promotes tumor initiation by inducing DNA damage or mutation and activates oncogenic signaling pathways to promote cancer progression. Recent studies have shown that ROS can facilitate carcinogenesis by controlling microRNA (miRNA) expression through regulating miRNA biogenesis, transcription, and epigenetic modifications. Likewise, miRNAs have been shown to control cellular ROS homeostasis by regulating the expression of proteins involved in ROS production and elimination. In this review, we summarized the significance of ROS in cancer initiation, progression, and the regulatory crosstalk between ROS and miRNAs in cancer.
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Affiliation(s)
- Kamesh R. Babu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore;
| | - Yvonne Tay
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore;
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- Correspondence: ; Tel.: +65-6516-7756
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91
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Sun H, Zhang C, Cao S, Sheng T, Dong N, Xu Y. Fenton reactions drive nucleotide and ATP syntheses in cancer. J Mol Cell Biol 2019; 10:448-459. [PMID: 30016460 PMCID: PMC6231523 DOI: 10.1093/jmcb/mjy039] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 07/13/2018] [Indexed: 02/07/2023] Open
Abstract
We present a computational study of tissue transcriptomic data of 14 cancer types to address: what may drive cancer cell division? Our analyses point to that persistent disruption of the intracellular pH by Fenton reactions may be at the root of cancer development. Specifically, we have statistically demonstrated that Fenton reactions take place in cancer cytosol and mitochondria across all the 14 cancer types, based on cancer tissue gene-expression data integrated via the Michaelis-Menten equation. In addition, we have shown that (i) Fenton reactions in cytosol of the disease cells will continuously increase their pH, to which the cells respond by generating net protons to keep the pH stable through a combination of synthesizing glycolytic ATPs and consuming them by nucleotide syntheses, which may drive cell division to rid of the continuously synthesized nucleotides; and (ii) Fenton reactions in mitochondria give rise to novel ways for ATP synthesis with electrons ultimately coming from H2O2, largely originated from immune cells. A model is developed to link these to cancer development, where some mutations may be selected to facilitate cell division at rates dictated by Fenton reactions.
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Affiliation(s)
- Huiyan Sun
- College of Computer Science and Technology, Jilin University, Changchun, China.,Computational Systems Biology Lab, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, GA, USA
| | - Chi Zhang
- Computational Systems Biology Lab, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, GA, USA
| | - Sha Cao
- Computational Systems Biology Lab, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, GA, USA
| | - Tao Sheng
- Computational Systems Biology Lab, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, GA, USA
| | - Ning Dong
- Computational Systems Biology Lab, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, GA, USA.,The First Hospital of Jilin University, Changchun, China
| | - Ying Xu
- College of Computer Science and Technology, Jilin University, Changchun, China.,Computational Systems Biology Lab, Department of Biochemistry and Molecular Biology and Institute of Bioinformatics, University of Georgia, GA, USA.,School of Public Health, Jilin University, Changchun, China
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92
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Liao N, Shi Y, Zhang C, Zheng Y, Wang Y, Zhao B, Zeng Y, Liu X, Liu J. Antioxidants inhibit cell senescence and preserve stemness of adipose tissue-derived stem cells by reducing ROS generation during long-term in vitro expansion. Stem Cell Res Ther 2019; 10:306. [PMID: 31623678 PMCID: PMC6798439 DOI: 10.1186/s13287-019-1404-9] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/09/2019] [Accepted: 09/02/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Adipose tissue-derived mesenchymal stem cells (ADSCs) are promising candidates for regenerative medicine. However, long-term in vitro passaging leads to stemness loss and cell senescence of ADSCs, resulting in failure of ADSC-based therapy. METHODS In this study, ADSCs were treated with low dose of antioxidants (reduced glutathione and melatonin) with anti-aging and stem cell protection properties in the in vitro passaging, and the cell functions including stem cell senescence, cell migration, cell multidirectional differentiation potential, and ROS content were carefully analyzed. RESULTS We found that GSH and melatonin could maintain ADSC cell functions through reducing cell senescence and promoting cell migration, as well as by preserving stemness and multidirectional differentiation potential, through inhibiting ROS generation during long-term expansion of ADSCs. CONCLUSIONS Our results suggested that antioxidant treatment could efficiently prevent the dysfunction and preserve cell functions of ADSCs after long-term passaging, providing a practical strategy to facilitate ADSC-based therapy.
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Affiliation(s)
- Naishun Liao
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China
| | - Yingjun Shi
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China
| | - Cuilin Zhang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China
| | - Youshi Zheng
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China
| | - Yingchao Wang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China
| | - Bixing Zhao
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China
| | - Yongyi Zeng
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China.,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China.,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China.,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, 350025, People's Republic of China
| | - Xiaolong Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China. .,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China. .,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China.
| | - Jingfeng Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, People's Republic of China. .,Liver Disease Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350007, People's Republic of China. .,Mengchao Med-X Center, Fuzhou University, Fuzhou, 350116, People's Republic of China. .,The Liver Center of Fujian Province, Fujian Medical University, Fuzhou, 350025, People's Republic of China.
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93
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Gao W, Xu Y, Chen T, Du Z, Liu X, Hu Z, Wei D, Gao C, Zhang W, Li Q. Targeting oxidative pentose phosphate pathway prevents recurrence in mutant Kras colorectal carcinomas. PLoS Biol 2019; 17:e3000425. [PMID: 31461438 PMCID: PMC6736310 DOI: 10.1371/journal.pbio.3000425] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 09/10/2019] [Accepted: 08/09/2019] [Indexed: 12/17/2022] Open
Abstract
Recurrent tumors originate from cancer stem cells (CSCs) that survive conventional treatments. CSCs consist of heterogeneous subpopulations that display distinct sensitivity to anticancer drugs. Such a heterogeneity presents a significant challenge in preventing tumor recurrence. In the current study, we observed that quiescent CUB-domain–containing protein 1 (CDCP1)+ CSCs are enriched after chemotherapy in mutant Kirsten rat sarcoma viral oncogene homolog (Kras) colorectal carcinomas (CRCs) and serve as a reservoir for recurrence. Mechanistically, glucose catabolism in CDCP1+ CSCs is routed to the oxidative pentose phosphate pathway (PPP); multiple cycling of carbon backbones in the oxidative PPP potentially maximizes NADPH reduction to counteract chemotherapy-induced reactive oxygen species (ROS) formation, thereby allowing CDCP1+ CSCs to survive chemotherapeutic attack. This is dependent on silent mating type information regulation 2 homolog 5 (Sirt5)-mediated inhibition of the glycolytic enzyme triosephosphate isomerase (TPI) through demalonylation of Lys56. Blocking demalonylation of TPI at Lys56 increases chemosensitivity of CDCP1+ CSCSs and delays recurrence of mutant Kras CRCs in vivo. These findings pinpoint a new therapeutic approach for combating mutant Kras CRCs. This study shows that CDCP1-positive cancer stem cells represent a critical driving force behind tumor relapse in colorectal tumors that have mutant Kras and reveals a unique role for the oxidative pentose phosphate pathway in this process.
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Affiliation(s)
- WenChao Gao
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of General Surgery, ChangZheng Hospital, Second Military Medical University, Shanghai, China
| | - YuTing Xu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Tao Chen
- Endoscopy Center, ZhongShan Hospital, Fudan University, Shanghai, China
| | - ZunGuo Du
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Pathology, HuaShan Hospital, Fudan University, Shanghai, China
| | - XiuJuan Liu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Department of Pathology, HuaShan Hospital, Fudan University, Shanghai, China
| | - ZhiQian Hu
- Department of General Surgery, ChangZheng Hospital, Second Military Medical University, Shanghai, China
| | - Dong Wei
- Department of Anus and Intestine Surgery, PLA Central Hospital 150, Luoyang, China
| | - ChunFang Gao
- Department of Anus and Intestine Surgery, PLA Central Hospital 150, Luoyang, China
| | - Wei Zhang
- Department of Cancer Biology, Cancer Center of Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, United States of America
| | - QingQuan Li
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- * E-mail:
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Prooxidative Activity of Celastrol Induces Apoptosis, DNA Damage, and Cell Cycle Arrest in Drug-Resistant Human Colon Cancer Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6793957. [PMID: 31485297 PMCID: PMC6710751 DOI: 10.1155/2019/6793957] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/12/2019] [Accepted: 07/18/2019] [Indexed: 01/02/2023]
Abstract
Cancer resistance to chemotherapy is closely related to tumor heterogeneity, i.e., the existence of distinct subpopulations of cancer cells in a tumor mass. An important role is assigned to cancer stem cells (CSCs), a small subset of cancer cells with high tumorigenic potential and capacity of self-renewal and differentiation. These properties of CSCs are sustained by the ability of those cells to maintain a low intracellular reactive oxygen species (ROS) levels, via upregulation of ROS scavenging systems. However, the accumulation of ROS over a critical threshold disturbs CSCs—redox homeostasis causing severe cytotoxic consequences. In the present study, we investigated the capacity of celastrol, a natural pentacyclic triterpenoid, to induce the formation of ROS and, consequently, cell death of the colon cancer cells with acquired resistant to cytotoxic drugs (LOVO/DX cell line). LOVO/DX cells express several important stem-like cell features, including a higher frequency of side population (SP) cells, higher expression of multidrug resistant proteins, overexpression of CSC-specific cell surface marker (CD44), increased expression of DNA repair gene (PARP1), and low intracellular ROS level. We found that celastrol, at higher concentrations (above 1 μM), significantly increased ROS amount in LOVO/DX cells at both cytoplasmic and mitochondrial levels. This prooxidant activity was associated with the induction of DNA double-strand breaks (DSBs) and apoptotic/necrotic cell death, as well as with inhibition of cell proliferation by S phase cell cycle arrest. Coincubation with NAC, a ROS scavenger, completely reversed the above effects. In summary, our results provide evidence that celastrol exhibits effective cytotoxic effects via ROS-dependent mechanisms on drug-resistant colon cancer cells. These findings strongly suggest the potential of celastrol to effectively kill cancer stem-like cells, and thus, it is a promising agent to treat severe, resistant to conventional therapy, colon cancers.
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95
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Kumar H, Chattopadhyay S, Das N, Shree S, Patel D, Mohapatra J, Gurjar A, Kushwaha S, Singh AK, Dubey S, Lata K, Kushwaha R, Mohammed R, Dastidar KG, Yadav N, Vishwakarma AL, Gayen JR, Bandyopadhyay S, Chatterjee A, Jain MR, Tripathi AK, Trivedi AK, Chattopadhyay N, Ramachandran R, Sanyal S. Leprosy drug clofazimine activates peroxisome proliferator-activated receptor-γ and synergizes with imatinib to inhibit chronic myeloid leukemia cells. Haematologica 2019; 105:971-986. [PMID: 31371410 PMCID: PMC7109729 DOI: 10.3324/haematol.2018.194910] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/12/2019] [Indexed: 12/12/2022] Open
Abstract
Leukemia stem cells contribute to drug-resistance and relapse in chronic myeloid leukemia (CML) and BCR-ABL1 inhibitor monotherapy fails to eliminate these cells, thereby necessitating alternate therapeutic strategies for patients CML. The peroxisome proliferator-activated receptor-γ (PPARγ) agonist pioglitazone downregulates signal transducer and activator of transcription 5 (STAT5) and in combination with imatinib induces complete molecular response in imatinib-refractory patients by eroding leukemia stem cells. Thiazolidinediones such as pioglitazone are, however, associated with severe side effects. To identify alternate therapeutic strategies for CML we screened Food and Drug Administration-approved drugs in K562 cells and identified the leprosy drug clofazimine as an inhibitor of viability of these cells. Here we show that clofazimine induced apoptosis of blood mononuclear cells derived from patients with CML, with a particularly robust effect in imatinib-resistant cells. Clofazimine also induced apoptosis of CD34+38- progenitors and quiescent CD34+ cells from CML patients but not of hematopoietic progenitor cells from healthy donors. Mechanistic evaluation revealed that clofazimine, via physical interaction with PPARγ, induced nuclear factor kB-p65 proteasomal degradation, which led to sequential myeloblastoma oncoprotein and peroxiredoxin 1 downregulation and concomitant induction of reactive oxygen species-mediated apoptosis. Clofazimine also suppressed STAT5 expression and consequently downregulated stem cell maintenance factors hypoxia-inducible factor-1α and -2α and Cbp/P300 interacting transactivator with Glu/Asp-rich carboxy-terminal domain 2 (CITED2). Combining imatinib with clofazimine caused a far superior synergy than that with pioglitazone, with clofazimine reducing the half maximal inhibitory concentration (IC50) of imatinib by >4 logs and remarkably eroding quiescent CD34+ cells. In a K562 xenograft study clofazimine and imatinib co-treatment showed more robust efficacy than the individual treatments. We propose clinical evaluation of clofazimine in imatinib-refractory CML.
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Affiliation(s)
- Harish Kumar
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow
| | - Sourav Chattopadhyay
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow.,AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow
| | - Nabanita Das
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow
| | - Sonal Shree
- Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow
| | - Dinesh Patel
- Zydus Research Center, Moraiya, Ahmedabad, Gujarat
| | | | - Anagha Gurjar
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow.,AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow
| | - Sapana Kushwaha
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow
| | | | - Shikha Dubey
- Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow
| | - Kiran Lata
- Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow
| | - Rajesh Kushwaha
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow
| | - Riyazuddin Mohammed
- Pharmacokinetics and Metabolism Division, CSIR-Central Drug Research Institute, Lucknow
| | | | | | | | - Jiaur Rahaman Gayen
- Pharmacokinetics and Metabolism Division, CSIR-Central Drug Research Institute, Lucknow.,AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow
| | - Sanghamitra Bandyopadhyay
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow
| | | | | | - Anil Kumar Tripathi
- Department of Clinical Hematology and Medical Oncology, King George's Medical University, Lucknow, Uttar Pradesh
| | - Arun Kumar Trivedi
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow.,AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow
| | - Naibedya Chattopadhyay
- Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow, India.,AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow
| | - Ravishankar Ramachandran
- AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow.,Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow
| | - Sabyasachi Sanyal
- Division of Biochemistry, CSIR-Central Drug Research Institute, Lucknow .,AcSIR, CSIR-Central Drug Research Institute Campus, Lucknow
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96
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Matsushita K, Okuda T, Mori S, Konno M, Eguchi H, Asai A, Koseki J, Iwagami Y, Yamada D, Akita H, Asaoka T, Noda T, Kawamoto K, Gotoh K, Kobayashi S, Kasahara Y, Morihiro K, Satoh T, Doki Y, Mori M, Ishii H, Obika S. A Hydrogen Peroxide Activatable Gemcitabine Prodrug for the Selective Treatment of Pancreatic Ductal Adenocarcinoma. ChemMedChem 2019; 14:1384-1391. [DOI: 10.1002/cmdc.201900324] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Indexed: 01/03/2023]
Affiliation(s)
- Katsunori Matsushita
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
- Department of Frontier Science for Cancer and ChemotherapyGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
| | - Takumi Okuda
- Graduate School of Pharmaceutical SciencesOsaka University 1-6 Yamadaoka Suita Osaka 565-0871 Japan
| | - Shohei Mori
- Graduate School of Pharmaceutical SciencesOsaka University 1-6 Yamadaoka Suita Osaka 565-0871 Japan
| | - Masamitsu Konno
- Department of Frontier Science for Cancer and ChemotherapyGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
- Department of Medical Data ScienceGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Ayumu Asai
- Department of Frontier Science for Cancer and ChemotherapyGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
- Department of Medical Data ScienceGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
| | - Jun Koseki
- Department of Frontier Science for Cancer and ChemotherapyGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
- Department of Medical Data ScienceGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
| | - Yoshifumi Iwagami
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Daisaku Yamada
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
- Present address: Department of Digestive SurgeryOsaka International Cancer Institute 3-1-69 Otemae, Chuo-ku Osaka Osaka 541-8567 Japan
| | - Hirofumi Akita
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Tadafumi Asaoka
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Takehiro Noda
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Koichi Kawamoto
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
- Present address: Kinki Regional Bureau of Health and WelfareMinistry of Health, Labour and Welfare 4-1-76 Nonin Bashi, Chuo-ku Osaka Osaka 540-0008 Japan
| | - Kunihito Gotoh
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Shogo Kobayashi
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Yuuya Kasahara
- Graduate School of Pharmaceutical SciencesOsaka University 1-6 Yamadaoka Suita Osaka 565-0871 Japan
- National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) 7-6-8 Saito-Asagi Ibaraki Osaka 567-0085 Japan
| | - Kunihiko Morihiro
- Graduate School of Pharmaceutical SciencesOsaka University 1-6 Yamadaoka Suita Osaka 565-0871 Japan
- National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) 7-6-8 Saito-Asagi Ibaraki Osaka 567-0085 Japan
- Present address: Department of Chemistry and BiotechnologyGraduate School of EngineeringThe University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Taroh Satoh
- Department of Frontier Science for Cancer and ChemotherapyGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
| | - Yuichiro Doki
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
| | - Masaki Mori
- Department of Gastroenterological SurgeryGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan)
- Present address: Department of Surgery and ScienceGraduate School of Medical SciencesKyushu University 3-1-1 Maidashi, Higashi-ku Fukuoka 812-8582 Japan
| | - Hideshi Ishii
- Department of Medical Data ScienceGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita Osaka 565-0871 Japan
| | - Satoshi Obika
- Graduate School of Pharmaceutical SciencesOsaka University 1-6 Yamadaoka Suita Osaka 565-0871 Japan
- National Institutes of Biomedical Innovation, Health and Nutrition (NIBIOHN) 7-6-8 Saito-Asagi Ibaraki Osaka 567-0085 Japan
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97
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Song Y, Park IS, Kim J, Seo HR. Actinomycin D inhibits the expression of the cystine/glutamate transporter xCT via attenuation of CD133 synthesis in CD133 + HCC. Chem Biol Interact 2019; 309:108713. [PMID: 31226288 DOI: 10.1016/j.cbi.2019.06.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 06/07/2019] [Accepted: 06/13/2019] [Indexed: 01/03/2023]
Abstract
Liver cancer is one of the most frequently occurring types of cancer with high mortality rate. Hepatocellular carcinoma (HCC) frequently metastasizes to lung, portal vein, and portal lymph nodes and most HCCs show strong resistance to conventional anticancer drugs. Cancer stem cells (CSCs) are considered to be responsible for resistance to therapies. Hence, recent advancements in the use of liver cancer stem cells (LCSCs) are rapidly gaining recognition as an efficient and organized means for developing antitumor agents. We aimed to use a non-target-based high-throughput screening (HTS) approach to specifically target α-fetoprotein (AFP)+/cluster of differentiation (CD)133+ HCC present in mixed populations of HCC cells and hepatocytes. Herein, we identified actinomycin D (ActD) as a potential antitumor agent that significantly inhibits activity of LCSCs without affecting the co-cultured hepatocytes. To determine the mechanism of ActD-induced tumor-specificity in LCSC, we applied various cell-based assay models in vitro. In fact, ActD significantly increased reactive oxygen species (ROS) accumulation and DNA damage in Huh7 HCC cells, but not in Fa2N-4 cells, immortalized hepatocytes. Treatment of spheroid-forming LCSCs with ActD effectively decreased spheroid formation and the CD133+ HCC cell population. Importantly, these ActD-mediated effects are a result of inhibition of cystine/glutamate transporter xCT expression, via attenuation of CD133 synthesis. These results indicate that ActD suppresses stemness and malignant properties in HCC cells through destabilization of xCT, by inhibition of CD133 expression in LCSCs. The effects of ActD on LCSCs provide novel therapeutic strategies for targeting cancer stem-like cells in liver cancer.
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Affiliation(s)
- Yeonhwa Song
- Cancer Biology Laboratory, Institut Pasteur Korea, 16, Daewangpangyo-ro 712 beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13488, Republic of Korea.
| | - I-Seul Park
- Screening Discovery Platform, Institut Pasteur Korea, 16, Daewangpangyo-ro 712 beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13488, Republic of Korea. iseul.park.@ip-korea.org
| | - Jiho Kim
- Screening Discovery Platform, Institut Pasteur Korea, 16, Daewangpangyo-ro 712 beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13488, Republic of Korea.
| | - Haeng Ran Seo
- Cancer Biology Laboratory, Institut Pasteur Korea, 16, Daewangpangyo-ro 712 beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13488, Republic of Korea.
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98
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Wang C, Shao L, Pan C, Ye J, Ding Z, Wu J, Du Q, Ren Y, Zhu C. Elevated level of mitochondrial reactive oxygen species via fatty acid β-oxidation in cancer stem cells promotes cancer metastasis by inducing epithelial-mesenchymal transition. Stem Cell Res Ther 2019; 10:175. [PMID: 31196164 PMCID: PMC6567550 DOI: 10.1186/s13287-019-1265-2] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/29/2019] [Accepted: 05/14/2019] [Indexed: 12/25/2022] Open
Abstract
Background Cancer stem cells (CSCs) play a critical role in tumor development and progression and are involved in cancer metastasis. The role of reactive oxygen species (ROS) in CSCs and cancer metastasis remains controversial. The aim of the present study was to investigate the correlation between ROS level of CSCs and cancer metastasis and to explore the possible underlying molecular mechanisms. Methods Four different cell lines were used to isolate tumor spheres and to analyze intrinsic properties of tumor sphere cells including proliferation, self-renewal potential, differentiation, drug-resistance and cancer metastasis in vitro and in vivo. ROS assays were used to detect the intracellular ROS level of tumor spheres cells. Gene expression analysis and western blot were used to investigate the underlying mechanisms of ROS in regulating cancer metastasis. Results Tumor spheres possessed the characteristic features of CSCs, and ROS-high tumor spheres (RH-TS) displayed elevated mitochondrial ROS level exclusively drove metastasis formation. The gene expression analysis showed elevated fatty acid β-oxidation, downregulation of epithelial marker upregulation of mesenchymal markers, and the activation of MAP kinase cascades. Furthermore, 14 up-regulated genes in RH-TS cells were associated with reduced overall survival of different cancer patients. Conclusions Our findings demonstrate that CSCs characterized by elevated mitochondrial ROS level potentiate cancer metastasis. Mechanistically, elevated mitochondrial ROS via fatty acid β-oxidation, activates the MAPK cascades, resulting in the epithelial-mesenchymal transition (EMT) process of RH-TS cells, thereby potentiating caner invasion and metastasis. Therefore, targeting mitochondrial ROS might provide a promising approach to prevent and alleviate cancer metastasis induced by RH-TS cells. Electronic supplementary material The online version of this article (10.1186/s13287-019-1265-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Caihua Wang
- Department of Gastroenterology, The Second Affiliated Hospital, ZhejiangUniversity School of Medicine, Hangzhou, 310009, China
| | - Liming Shao
- Department of Gastroenterology, The Second Affiliated Hospital, ZhejiangUniversity School of Medicine, Hangzhou, 310009, China
| | - Chi Pan
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Jun Ye
- Department of Gastroenterology, The Second Affiliated Hospital, ZhejiangUniversity School of Medicine, Hangzhou, 310009, China
| | - Zonghui Ding
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Arizona, AZ, 85259, USA
| | - Jia Wu
- Department of Gastroenterology, The Second Affiliated Hospital, ZhejiangUniversity School of Medicine, Hangzhou, 310009, China
| | - Qin Du
- Department of Gastroenterology, The Second Affiliated Hospital, ZhejiangUniversity School of Medicine, Hangzhou, 310009, China
| | - Yuezhong Ren
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China.
| | - Chunpeng Zhu
- Department of Gastroenterology, The Second Affiliated Hospital, ZhejiangUniversity School of Medicine, Hangzhou, 310009, China.
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99
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Son YW, Cheon MG, Kim Y, Jang HH. Prx2 links ROS homeostasis to stemness of cancer stem cells. Free Radic Biol Med 2019; 134:260-267. [PMID: 30611866 DOI: 10.1016/j.freeradbiomed.2019.01.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/21/2018] [Accepted: 01/03/2019] [Indexed: 01/03/2023]
Abstract
Cancer stem cells (CSC) with low levels of reactive oxygen species (ROS) are resistant to conventional chemotherapy or radiation therapy. Peroxiredoxin 2 (Prx2) is a redox regulatory protein that plays a key role in maintaining ROS homeostasis in the tumor microenvironment. However, despite the role of Prx2 in ROS-mediated signal transduction, the association of Prx2 with stemness via ROS in CSC has not been thoroughly investigated. In this study, we investigated the link between Prx2 and CSC stemness through regulation of ROS levels in hepatocellular carcinoma (HCC) cells. ROS induced CSC stemness reduction and downregulated stem cell markers in Huh7 and SK-HEP1 cells. Prx2 knockdown decreased CSC sphere formation and expression of stem cell makers with increasing intracellular ROS levels. This effect was reversed by the ROS scavengers NAC and GSH in Prx2 knockdown cells. Conversely, we found that Prx2 overexpression promotes CSC stemness and the peroxidase activity of Prx2 is essential for CSC stemness using peroxidase inactive mutant, Prx2C51/172S. More importantly, the hyperoxidation-resistant mutant (Prx2ΔYF), which has a constant ROS scavenging activity even at high concentrations of ROS, increased the CSC stemness and expression of stem cell markers more than Prx2WT under oxidative stress. Taken together, our findings demonstrate that Prx2 links ROS homeostasis to CSC stemness; Prx2 is a mediator between ROS homeostasis and CSC stemness.
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Affiliation(s)
- Ye Won Son
- Department of Biochemistry, College of Medicine, Gachon University, Incheon, South Korea
| | - Min Gyeong Cheon
- Department of Biochemistry, College of Medicine, Gachon University, Incheon, South Korea
| | - Yosup Kim
- Department of Health Sciences and Technology, Graduate School of Medicine, Gachon University, Incheon, South Korea
| | - Ho Hee Jang
- Department of Biochemistry, College of Medicine, Gachon University, Incheon, South Korea; Department of Health Sciences and Technology, Graduate School of Medicine, Gachon University, Incheon, South Korea.
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100
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Kokabu T, Mori T, Matsushima H, Yoriki K, Kataoka H, Tarumi Y, Kitawaki J. Antitumor effect of XCT790, an ERRα inverse agonist, on ERα-negative endometrial cancer cells. Cell Oncol (Dordr) 2019; 42:223-235. [PMID: 30706380 DOI: 10.1007/s13402-019-00423-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2019] [Indexed: 02/07/2023] Open
Abstract
PURPOSE The estrogen-related receptor (ERR) α is structurally similar to classical estrogen receptors (ERs), but is considered to be an orphan nuclear receptor. We previously found that ERRα regulates uterine endometrial cancer progression. Here, we investigated the efficacy of XCT790, a selective inverse agonist of ERRα, on endometrial cancer cells in vitro and in vivo. METHODS HEC-1A and KLE, ERα-negative endometrial cancer cells exhibiting high ERRα expression levels, and HEC-1A cell-derived xenograft model mice were treated with XCT790. Transcriptional activity and cell proliferation were examined using luciferase, WST-8 and colony formation assays, respectively. Cell cycle progression was evaluated using flow cytometry, immunofluorescence cytochemistry and Western blotting. Apoptosis was evaluated using a caspase-3/7 activity assay. RESULTS We found that XCT790 significantly inhibited ERRα-induced in vitro transcriptional activity, including that of the vascular endothelial growth factor (VEGF) gene, in a concentration-dependent manner (p < 0.05). We also found that XCT790 suppressed colony formation and cell proliferation in a concentration and time-dependent manner (p < 0.01) without cytotoxicity, and induced apoptosis (p < 0.01). XCT790 was found to cause cell cycle arrest at the mitotic phase. Akt and mTOR phosphorylation was found to be inhibited by XCT790, but PI3K levels were not found to be significantly affected. Combination therapy of XCT790 with paclitaxel elicited a synergistic inhibitory effect. Additionally, we found that XCT790 significantly inhibited in vivo tumor growth and angiogenesis, and induced apoptosis without a reduction in body weight, in xenograft models (p < 0.01). CONCLUSIONS From our data we conclude that XCT790 has an anti-tumor effect on endometrial cancer cells in vitro and in vivo. As such, it may serve as a novel therapeutic agent for endometrial cancer.
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Affiliation(s)
- Tetsuya Kokabu
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Taisuke Mori
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan.
| | - Hiroshi Matsushima
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Kaori Yoriki
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Hisashi Kataoka
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Yosuke Tarumi
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Jo Kitawaki
- Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
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