1
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Gola L, Bierhansl L, Csatári J, Schroeter CB, Korn L, Narayanan V, Cerina M, Abdolahi S, Speicher A, Hermann AM, König S, Dinkova-Kostova AT, Shekh-Ahmad T, Meuth SG, Wiendl H, Gorji A, Pawlowski M, Kovac S. NOX4-derived ROS are neuroprotective by balancing intracellular calcium stores. Cell Mol Life Sci 2023; 80:127. [PMID: 37081190 PMCID: PMC10119225 DOI: 10.1007/s00018-023-04758-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 03/06/2023] [Accepted: 03/14/2023] [Indexed: 04/22/2023]
Abstract
Hyperexcitability is associated with neuronal dysfunction, cellular death, and consequently neurodegeneration. Redox disbalance can contribute to hyperexcitation and increased reactive oxygen species (ROS) levels are observed in various neurological diseases. NOX4 is an NADPH oxidase known to produce ROS and might have a regulating function during oxidative stress. We, therefore, aimed to determine the role of NOX4 on neuronal firing, hyperexcitability, and hyperexcitability-induced changes in neural network function. Using a multidimensional approach of an in vivo model of hyperexcitability, proteomic analysis, and cellular function analysis of ROS, mitochondrial integrity, and calcium levels, we demonstrate that NOX4 is neuroprotective by regulating ROS and calcium homeostasis and thereby preventing hyperexcitability and consequently neuronal death. These results implicate NOX4 as a potential redox regulator that is beneficial in hyperexcitability and thereby might have an important role in neurodegeneration.
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Affiliation(s)
- Lukas Gola
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Laura Bierhansl
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Júlia Csatári
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Christina B Schroeter
- Department of Neurology, Medical Faculty, Heinrich Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Lisanne Korn
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Venu Narayanan
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Manuela Cerina
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Sara Abdolahi
- Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
| | - Anna Speicher
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Alexander M Hermann
- Department of Neurology, Medical Faculty, Heinrich Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Simone König
- Core Unit Proteomics, Interdisciplinary Center for Clinical Research, Medical Faculty, University of Münster, 48149, Münster, Germany
| | | | - Tawfeeq Shekh-Ahmad
- Institute for Drug Research, The School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Sven G Meuth
- Department of Neurology, Medical Faculty, Heinrich Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Heinz Wiendl
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Ali Gorji
- Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
- Epilepsy Research Center, Westfälische Wilhelms-Universität Münster, 48149, Münster, Germany
| | - Matthias Pawlowski
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany
| | - Stjepana Kovac
- Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149, Münster, Germany.
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2
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Hahner F, Moll F, Warwick T, Hebchen DM, Buchmann GK, Epah J, Abplanalp W, Schader T, Günther S, Gilsbach R, Brandes RP, Schröder K. Nox4 promotes endothelial differentiation through chromatin remodeling. Redox Biol 2022; 55:102381. [PMID: 35810713 PMCID: PMC9287364 DOI: 10.1016/j.redox.2022.102381] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 06/20/2022] [Indexed: 01/09/2023] Open
Abstract
RATIONALE Nox4 is a constitutively active NADPH oxidase that constantly produces low levels of H2O2. Thereby, Nox4 contributes to cell homeostasis and long-term processes, such as differentiation. The high expression of Nox4 seen in endothelial cells contrasts with the low abundance of Nox4 in stem cells, which are accordingly characterized by low levels of H2O2. We hypothesize that Nox4 is a major contributor to endothelial differentiation, is induced during the process of differentiation, and facilitates homeostasis of the resulting endothelial cells. OBJECTIVE To determine the role of No×4 in differentiation of murine inducible pluripotent stem cells (miPSC) into endothelial cells (ECs). METHODS AND RESULTS miPSC, generated from mouse embryonic wildtype (WT) and Nox4-/- fibroblasts, were differentiated into endothelial cells (miPSC-EC) by stimulation with BMP4 and VEGF. During this process, Nox4 expression increased and knockout of Nox4 prolonged the abundance of pluripotency markers, while expression of endothelial markers was delayed in differentiating Nox4-depleted iPSCs. Eventually, angiogenic capacity of iPSC-ECs is reduced in Nox4 deficient cells, indicating that an absence of Nox4 diminishes stability of the reached phenotype. As an underlying mechanism, we identified JmjD3 as a redox target of Nox4. iPSC-ECs lacking Nox4 display a lower nuclear abundance of the histone demethylase JmjD3, resulting in an increased triple methylation of histone 3 (H3K27me3), which serves as a repressive mark for several genes involved in differentiation. CONCLUSIONS Nox4 promotes differentiation of miPSCs into ECs by oxidation of JmjD3 and subsequent demethylation of H3K27me3, which forced endothelial differentiation and stability.
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Affiliation(s)
- F Hahner
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - F Moll
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - T Warwick
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - D M Hebchen
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - G K Buchmann
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - J Epah
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - W Abplanalp
- Institute for Cardiovascular Regeneration, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - T Schader
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - S Günther
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - R Gilsbach
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - R P Brandes
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - K Schröder
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany.
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3
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Lee YA, Sim S, Kim KA, Shin MH. Signaling Role of NADPH Oxidases in ROS-Dependent Host Cell Death Induced by Pathogenic Entamoeba histolytica. THE KOREAN JOURNAL OF PARASITOLOGY 2022; 60:155-161. [PMID: 35772733 PMCID: PMC9256287 DOI: 10.3347/kjp.2022.60.3.155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/07/2022] [Indexed: 11/23/2022]
Abstract
All living organisms are destined to die. Cells, the core of those living creatures, move toward the irresistible direction of death. The question of how to die is critical and is very interesting. There are various types of death in life, including natural death, accidental death, questionable death, suicide, and homicide. The mechanisms and molecules involved in cell death also differ depending on the type of death. The dysenteric amoeba, E. histolytica, designated by the German zoologist Fritz Schaudinn in 1903, has the meaning of tissue lysis; i.e., tissue destroying, in its name. It was initially thought that the amoebae lyse tissue very quickly leading to cell death called necrosis. However, advances in measuring cell death have allowed us to more clearly investigate the various forms of cell death induced by amoeba. Increasing evidence has shown that E. histolytica can cause host cell death through induction of various intracellular signaling pathways. Understanding of the mechanisms and signaling molecules involved in host cell death induced by amoeba can provide new insights on the tissue pathology and parasitism in human amoebiasis. In this review, we emphasized on the signaling role of NADPH oxidases in reactive oxygen species (ROS)-dependent cell death by pathogenic E. histolytica.
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Affiliation(s)
- Young Ah Lee
- Department of Environmental Medical Biology, Yonsei University, Seoul 03722,
Korea
- Institue of Tropical Medicine, College of Medicine, Yonsei University, Seoul 03722,
Korea
| | - Seobo Sim
- KU Open Innovation Center, Department of Environmental and Tropical Medicine, School of Medicine, Konkuk University, Chungju 27478,
Korea
| | - Kyeong Ah Kim
- Gachon Biomedical & Convergence Institute, Gil Medical Center, Gachon University College of Medicine, Incheon 21565,
Korea
| | - Myeong Heon Shin
- Department of Environmental Medical Biology, Yonsei University, Seoul 03722,
Korea
- Institue of Tropical Medicine, College of Medicine, Yonsei University, Seoul 03722,
Korea
- Corresponding author ()
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4
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Thapa J, Yoshiiri G, Ito K, Okubo T, Nakamura S, Furuta Y, Higashi H, Yamaguchi H. Chlamydia trachomatis Requires Functional Host-Cell Mitochondria and NADPH Oxidase 4/p38MAPK Signaling for Growth in Normoxia. Front Cell Infect Microbiol 2022; 12:902492. [PMID: 35719337 PMCID: PMC9199516 DOI: 10.3389/fcimb.2022.902492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 04/22/2022] [Indexed: 11/13/2022] Open
Abstract
Chlamydia trachomatis (Ct) is an intracellular energy-parasitic bacterium that requires ATP derived from infected cells for its growth. Meanwhile, depending on the O2 concentration, the host cells change their mode of ATP production between oxidative phosphorylation in mitochondria (Mt) and glycolysis; this change depends on signaling via reactive oxygen species (ROS) produced by NADPH oxidases (NOXs) as well as Mt. It has been proposed that Ct correspondingly switches its source of acquisition of ATP between host-cell Mt and glycolysis, but this has not been verified experimentally. In the present study, we assessed the roles of host-cell NOXs and Mt in the intracellular growth of CtL2 (L2 434/Bu) under normoxia (21% O2) and hypoxia (2% O2) by using several inhibitors of NOXs (or the downstream molecule) and Mt-dysfunctional (Mtd) HEp-2 cells. Under normoxia, diphenyleneiodonium, an inhibitor of ROS diffusion, abolished the growth of CtL2 and other Chlamydiae (CtD and C. pneumoniae). Both ML171 (a pan-NOX inhibitor) and GLX351322 (a NOX4-specific inhibitor) impaired the growth of CtL2 under normoxia, but not hypoxia. NOX4-knockdown cells diminished the bacterial growth. SB203580, an inhibitor of the NOX4-downstream molecule p38MAPK, also inhibited the growth of CtL2 under normoxia but not hypoxia. Furthermore, CtL2 failed to grow in Mtd cells under normoxia, but no effect was observed under hypoxia. We conclude that under normoxia, Ct requires functional Mt in its host cells as an ATP source, and that this process requires NOX4/p38MAPK signaling in the host cells. In contrast to hypoxia, crosstalk between NOX4 and Mt via p38MAPK may be crucial for the growth of Ct under normoxia.
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Affiliation(s)
- Jeewan Thapa
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Gen Yoshiiri
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Koki Ito
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Torahiko Okubo
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Shinji Nakamura
- Laboratory of Morphology and Image Analysis, Research Support Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yoshikazu Furuta
- Division of Infection and Immunity, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Hideaki Higashi
- Division of Infection and Immunity, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Hiroyuki Yamaguchi
- Department of Medical Laboratory Science, Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
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5
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Harijith A, Basa P, Ha A, Thomas J, Jafri A, Fu P, MacFarlane PM, Raffay TM, Natarajan V, Sudhadevi T. NOX4 Mediates Epithelial Cell Death in Hyperoxic Acute Lung Injury Through Mitochondrial Reactive Oxygen Species. Front Pharmacol 2022; 13:880878. [PMID: 35662702 PMCID: PMC9160661 DOI: 10.3389/fphar.2022.880878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/18/2022] [Indexed: 11/13/2022] Open
Abstract
Management of acute respiratory distress involves O2 supplementation, which is lifesaving, but causes severe hyperoxic acute lung injury (HALI). NADPH oxidase (NOX) could be a major source of reactive oxygen species (ROS) in hyperoxia (HO). Epithelial cell death is a crucial step in the development of many lung diseases. Alveolar type II (AT2) cells are the metabolically active epithelial cells of alveoli that serve as a source of AT1 cells following lung injury. The aim of this study was to determine the possible role of AT2 epithelial cell NOX4 in epithelial cell death from HALI. Wild type (WT), Nox4 fl/fl (control), and Nox4 -/- Spc-Cre mice were exposed to room air (NO) or 95% O2 (HO) to investigate the structural and functional changes in the lung. C57BL/6J WT animals subjected to HO showed increased expression of lung NOX4 compared to NO. Significant HALI, increased bronchoalveolar lavage cell counts, increased protein levels, elevated proinflammatory cytokines and increased AT2 cell death seen in hyperoxic Nox4 fl/fl control mice were attenuated in HO-exposed Nox4 -/- Spc-Cre mice. HO-induced expression of NOX4 in MLE cells resulted in increased mitochondrial (mt) superoxide production and cell apoptosis, which was reduced in NOX4 siRNA silenced cells. This study demonstrates a novel role for epithelial cell NOX4 in accelerating lung epithelial cell apoptosis from HALI. Deletion of the Nox4 gene in AT2 cells or silencing NOX4 in lung epithelial cells protected the lungs from severe HALI with reduced apoptosis and decreased mt ROS production in HO. These results suggest NOX4 as a potential target for the treatment of HALI.
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Affiliation(s)
- Anantha Harijith
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Prathima Basa
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Alison Ha
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
- Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Jaya Thomas
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Anjum Jafri
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Panfeng Fu
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Peter M. MacFarlane
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Thomas M. Raffay
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Viswanathan Natarajan
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, IL, United States
- Department of Internal Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Tara Sudhadevi
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
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6
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Kim J, Kim J, Lim HJ, Lee S, Bae YS, Kim J. Nox4-IGF2 Axis Promotes Differentiation of Embryoid Body Cells Into Derivatives of the Three Embryonic Germ Layers. Stem Cell Rev Rep 2021; 18:1181-1192. [PMID: 34802139 PMCID: PMC8942977 DOI: 10.1007/s12015-021-10303-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2021] [Indexed: 11/29/2022]
Abstract
Reactive oxygen species (ROS) play important roles as second messengers in a wide array of cellular processes including differentiation of stem cells. We identified Nox4 as the major ROS-generating enzyme whose expression is induced during differentiation of embryoid body (EB) into cells of all three germ layers. The role of Nox4 was examined using induced pluripotent stem cells (iPSCs) generated from Nox4 knockout (Nox4−/−) mouse. Differentiation markers showed significantly reduced expression levels consistent with the importance of Nox4-generated ROS during this process. From transcriptomic analyses, we found insulin-like growth factor 2 (IGF2), a member of a gene family extensively involved in embryonic development, as one of the most down-regulated genes in Nox4−/− cells. Indeed, addition of IGF2 to culture partly restored the differentiation competence of Nox4−/− iPSCs. Our results reveal an important signaling axis mediated by ROS in control of crucial events during differentiation of pluripotent stem cells.
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Affiliation(s)
- Jusong Kim
- Department of Life Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea
| | - Jaewon Kim
- Department of Life Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea.,Ewha Research Center for Systems Biology, Seoul, 03760, Korea
| | - Hee Jung Lim
- Department of Life Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea
| | - Sanghyuk Lee
- Department of Life Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea.,Ewha Research Center for Systems Biology, Seoul, 03760, Korea
| | - Yun Soo Bae
- Department of Life Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea.
| | - Jaesang Kim
- Department of Life Science, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Korea. .,Ewha Research Center for Systems Biology, Seoul, 03760, Korea.
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7
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Dudek J, Kutschka I, Maack C. Metabolic and Redox Regulation of Cardiovascular Stem Cell Biology and Pathology. Antioxid Redox Signal 2021; 35:163-181. [PMID: 33121253 DOI: 10.1089/ars.2020.8201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Significance: Cardiovascular stem cells are important for regeneration and repair of damaged tissue. Recent Advances: Pluripotent stem cells have a unique metabolism, which is adopted for their energetic and biosynthetic demand as rapidly proliferating cells. Stem cell differentiation requires an exceptional metabolic flexibility allowing for metabolic remodeling between glycolysis and oxidative phosphorylation. Critical Issues: Respiration is associated with the generation of reactive oxygen species (ROS) by the mitochondrial respiratory chain. But also the membrane-bound protein nicotinamide adenine dinucleotide phosphate oxidase (NADPH oxidase, NOX) contributes to ROS levels. ROS not only play a significant role in stem cell differentiation and tissue renewal but also cause senescence and contribute to tissue aging. Future Directions: For utilization of stem cells in therapeutic approaches, a deep understanding of the molecular mechanisms how metabolism and the cellular redox state regulate stem cell differentiation is required. Modulating the redox state of stem cells using antioxidative agents may be suitable to enhance activity of endothelial progenitor cells. Antioxid. Redox Signal. 35, 163-181.
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Affiliation(s)
- Jan Dudek
- Department of Translational Research, Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, Würzburg, Germany
| | - Ilona Kutschka
- Department of Translational Research, Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, Würzburg, Germany
| | - Christoph Maack
- Department of Translational Research, Comprehensive Heart Failure Center (CHFC), University Clinic Würzburg, Würzburg, Germany.,Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
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8
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Tay EXY, Chia K, Ong DST. Epigenetic plasticity and redox regulation of neural stem cell state and fate. Free Radic Biol Med 2021; 170:116-130. [PMID: 33684459 DOI: 10.1016/j.freeradbiomed.2021.02.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 01/20/2021] [Accepted: 02/24/2021] [Indexed: 12/16/2022]
Abstract
The neural stem cells (NSCs) are essential for normal brain development and homeostasis. The cell state (i.e. quiescent versus activated) and fate (i.e. the cell lineage of choice upon differentiation) of NSCs are tightly controlled by various redox and epigenetic regulatory mechanisms. There is an increasing appreciation that redox and epigenetic regulations are intimately linked, but how this redox-epigenetics crosstalk affects NSC activity remains poorly understood. Another unresolved topic is whether the NSCs actually contribute to brain ageing and neurodegenerative diseases. In this review, we aim to 1) distill concepts that underlie redox and epigenetic regulation of NSC state and fate; 2) provide examples of the redox-epigenetics crosstalk in NSC biology; and 3) highlight potential redox- and epigenetic-based therapeutic opportunities to rescue NSC dysfunctions in ageing and neurodegenerative diseases.
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Affiliation(s)
- Emmy Xue Yun Tay
- Department of Physiology, National University of Singapore, Singapore, 117593, Singapore
| | - Kimberly Chia
- Department of Physiology, National University of Singapore, Singapore, 117593, Singapore
| | - Derrick Sek Tong Ong
- Department of Physiology, National University of Singapore, Singapore, 117593, Singapore; Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore; National Neuroscience Institute, Singapore, 308433, Singapore.
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9
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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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10
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Oxidative Stress, Neuroinflammation, and NADPH Oxidase: Implications in the Pathogenesis and Treatment of Alzheimer's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7086512. [PMID: 33953837 PMCID: PMC8068554 DOI: 10.1155/2021/7086512] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 03/17/2021] [Accepted: 04/03/2021] [Indexed: 01/17/2023]
Abstract
NADPH oxidase as an important source of intracellular reactive oxygen species (ROS) has gained enormous importance over the years, and the detailed structures of all the isoenzymes of the NADPH oxidase family and their regulation have been well explored. The enzyme has been implicated in a variety of diseases including neurodegenerative diseases. The present brief review examines the body of evidence that links NADPH oxidase with the genesis and progression of Alzheimer's disease (AD). In short, evidence suggests that microglial activation and inflammatory response in the AD brain is associated with increased production of ROS by microglial NADPH oxidase. Along with other inflammatory mediators, ROS take part in neuronal degeneration and enhance the microglial activation process. The review also evaluates the current state of NADPH oxidase inhibitors as potential disease-modifying agents for AD.
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11
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Terzi A, Suter DM. The role of NADPH oxidases in neuronal development. Free Radic Biol Med 2020; 154:33-47. [PMID: 32370993 DOI: 10.1016/j.freeradbiomed.2020.04.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/20/2020] [Accepted: 04/27/2020] [Indexed: 12/15/2022]
Abstract
Reactive oxygen species (ROS) are critical for maintaining cellular homeostasis and function when produced in physiological ranges. Important sources of cellular ROS include NADPH oxidases (Nox), which are evolutionary conserved multi-subunit transmembrane proteins. Nox-mediated ROS regulate variety of biological processes including hormone synthesis, calcium signaling, cell migration, and immunity. ROS participate in intracellular signaling by introducing post-translational modifications to proteins and thereby altering their functions. The central nervous system (CNS) expresses different Nox isoforms during both development and adulthood. Here, we review the role of Nox-mediated ROS during CNS development. Specifically, we focus on how individual Nox isoforms contribute to signaling in neural stem cell maintenance and neuronal differentiation, as well as neurite outgrowth and guidance. We also discuss how ROS regulates the organization and dynamics of the actin cytoskeleton in the neuronal growth cone. Finally, we review recent evidence that Nox-derived ROS modulate axonal regeneration upon nervous system injury.
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Affiliation(s)
- Aslihan Terzi
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, 47907, USA
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, 47907, USA; Bindley Bioscience Center, Purdue University, West Lafayette, IN, 47907, USA.
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12
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Rodriguez-Vargas JM, Nguekeu-Zebaze L, Dantzer F. PARP3 comes to light as a prime target in cancer therapy. Cell Cycle 2019; 18:1295-1301. [PMID: 31095444 DOI: 10.1080/15384101.2019.1617454] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Poly(ADP-ribose) polymerase 3 (PARP3) is the third member of the PARP family that catalyze a post-translational modification of proteins to promote, control or adjust numerous cellular events including genome integrity, transcription, differentiation, cell metabolism or cell death. In the late years, PARP3 has been specified for its primary functions in programmed and stress-induced double-strand break repair, chromosomal rearrangements, transcriptional regulation in the zebrafish and mitotic segregation. Still, deciphering the therapeutic value of its inhibition awaits additional investigations. In this review, we discuss the newest advancements on the specific functions of PARP3 in cancer aggressiveness exemplifying the relevance of its selective inhibition for cancer therapy.
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Affiliation(s)
- José Manuel Rodriguez-Vargas
- a Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242 , Centre Nationale de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg , Illkirch , France
| | - Léonel Nguekeu-Zebaze
- a Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242 , Centre Nationale de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg , Illkirch , France
| | - Françoise Dantzer
- a Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242 , Centre Nationale de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg , Illkirch , France
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13
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Choi SA, Kim YH, Park YH, Yang HJ, Jeong PS, Cha JJ, Yoon SB, Kim JS, Song BS, Lee JH, Sim BW, Huh JW, Song IS, Lee SR, Kim MK, Kim JM, Bae YS, Imakawa K, Kim SU, Chang KT. Novel crosstalk between Vps26a and Nox4 signaling during neurogenesis. Cell Death Differ 2018; 26:1582-1599. [PMID: 30464227 PMCID: PMC6748115 DOI: 10.1038/s41418-018-0226-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 09/21/2018] [Accepted: 09/28/2018] [Indexed: 12/25/2022] Open
Abstract
Despite numerous studies on the molecular switches governing the conversion of stemness to differentiation in embryonic stem cells (ESCs), little is known about the involvement of the retromer complex. Under neural differentiation conditions, Vps26a deficiency (Vps26a-/-) or knockdown suppressed the loss of stemness and subsequent neurogenesis from ESCs or embryonic carcinoma cells, respectively, as evidenced by the long-lasting expression of stemness markers and the slow appearance of neuronal differentiation markers. Interestingly, relatively low reactive oxygen species (ROS) levels were generated during differentiation of Vps26a-/- ESCs, and treatment with an antioxidant or inhibitor of NADPH oxidase (Nox), a family of ROS-generating enzymes, led to restoration of stemness in wild-type cells to the level of Vps26a-/- cells during neurogenesis. Importantly, a novel interaction between Vps26a and Nox4 linked to the activation of ERK1/2 depended highly on ROS levels during neurogenesis, which were strongly suppressed in differentiating Vps26a-/- ESCs. Moreover, inhibition of phosphorylated ERK1/2 (pERK1/2) resulted in decreased ROS and Nox4 levels, indicating the mutual dependency between pERK1/2 and Nox4-derived ROS during neurogenesis. These results suggest that Vps26a regulates stemness by actively cooperating with the Nox4/ROS/ERK1/2 cascade during neurogenesis. Our findings have important implications for understanding the regulation of stemness via crosstalk between the retromer molecule and redox signaling, and may contribute to the development of ESC-based therapeutic strategies for the mass production of target cells.
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Affiliation(s)
- Seon-A Choi
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Laboratory of Animal Reproduction and Physiology, Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Young-Hyun Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Young-Ho Park
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Hae-Jun Yang
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Pil-Soo Jeong
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae-Jin Cha
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Seung-Bin Yoon
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Ji-Su Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Bong-Seok Song
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Jong-Hee Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Bo-Woong Sim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea
| | - Jae-Won Huh
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - In-Sung Song
- Department of Biomedical Sciences, College of Medicine, Ulsan University, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Sang-Rae Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Min-Kyu Kim
- Laboratory of Animal Reproduction and Physiology, Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jin-Man Kim
- College of Medicine, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Yun Soo Bae
- Department of Life Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Kazuhiko Imakawa
- Animal Resource Science Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Ibaraki, 319-0206, Japan.,Institute of Agricultural Sciences, Tokai University, Kumamoto, 862-8652, Japan
| | - Sun-Uk Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea.
| | - Kyu-Tae Chang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, 28116, Republic of Korea. .,Department of Functional Genomics, University of Science and Technology, Daejeon, 34113, Republic of Korea.
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14
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Jiao W, Ji J, Li F, Guo J, Zheng Y, Li S, Xu W. Activation of the Notch‑Nox4‑reactive oxygen species signaling pathway induces cell death in high glucose‑treated human retinal endothelial cells. Mol Med Rep 2018; 19:667-677. [PMID: 30431086 DOI: 10.3892/mmr.2018.9637] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 10/19/2018] [Indexed: 11/06/2022] Open
Abstract
Diabetic retinopathy (DR) occurs in almost all patients with diabetes and remains as one of the major causes of vision loss worldwide. Nevertheless, the molecular mechanisms underlying the pathogenesis of DR remain elusive. The present study aimed to investigate the role and association of Notch signaling and NADPH oxidase 4 (Nox4)‑mediated oxidative stress in high glucose (HG)‑treated retinal cells. Human retinal endothelial cells were cultured for various durations in RPMI‑1640 medium containing 30 mM glucose (HG) or 30 mM mannitol (MN) as an osmotic control; apoptotic cell death and reactive oxygen species (ROS) levels were assessed, respectively. Alterations in the expression profiles of Nox and Notch proteins were evaluated using reverse transcription‑quantitative polymerase chain reaction and western blot analysis. Knockdown of Nox4 and recombination signal‑binding protein J (RBPj) was generated by transfection with specific small interfering (siRNA). Persistent activation of Notch signaling was induced via the overexpression of Notch intracellular domain (NICD). In the present study, time‑dependent increases in ROS production and cell death were detected in HG‑treated cells. Depletion of ROS by diphenyleneiodonium decreased HG‑induced cell death, and suppressed increases in caspase 3 activity and B‑cell lymphoma 2‑associated X protein levels. In HG‑treated cells, Nox4 expression was upregulated at the mRNA and protein levels, and inhibition of Nox4 by GKT137831 or knockdown of expression by siRNA Nox4 significantly reduced ROS levels and cell death. In the presence of HG, Notch1 expression levels were elevated, and increased NICD abundance was detected in whole cell lysates and nuclear fractions. Additionally, HG‑induced cell death was decreased by treatment with γ‑secretase inhibitor (GSI), but increased via the overexpression of NICD. The application of GSI or knockdown of RBPj by siRNA RBPj prevented increases in Nox4 expression within HG‑treated cells. The findings of the present study demonstrated that Nox4‑mediated ROS serves an important role in HG‑induced retinal cell damage, in which the activation of Notch signaling may be responsible for Nox4 upregulation. Therefore, inhibition of Notch signaling or Nox4 expression may be considered as potential therapeutic targets in patients with DR.
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Affiliation(s)
- Wanzhen Jiao
- Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Jiafu Ji
- Department of Anesthesiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, P.R. China
| | - Fengjiao Li
- Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Jianlian Guo
- Department of Ophthalmology, Jinan Eighth People's Hospital, Jinan, Shandong 250014, P.R. China
| | - Yuanjie Zheng
- School of Information Science and Engineering, Shandong Normal University, Jinan, Shandong 250014, P.R. China
| | - Shangbin Li
- Department of Healthcare, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Wenwen Xu
- Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
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15
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Abstract
SIGNIFICANCE Numerous studies have demonstrated the actions of reactive oxygen species (ROS) as regulators of several physiological processes. In this study, we discuss how redox signaling mechanisms operate to control different processes such as neuronal differentiation, oligodendrocyte differentiation, dendritic growth, and axonal growth. Recent Advances: Redox homeostasis regulates the physiology of neural stem cells (NSCs). Notably, the neuronal differentiation process of NSCs is determined by a change toward oxidative metabolism, increased levels of mitochondrial ROS, increased activity of NADPH oxidase (NOX) enzymes, decreased levels of Nrf2, and differential regulation of different redoxins. Furthermore, during the neuronal maturation processes, NOX and MICAL produce ROS to regulate cytoskeletal dynamics, which control the dendritic and axonal growth, as well as the axonal guidance. CRITICAL ISSUES The redox homeostasis changes are, in part, attributed to cell metabolism and compartmentalized production of ROS, which is regulated, sensed, and transduced by different molecules such as thioredoxins, glutaredoxins, peroxiredoxins, and nucleoredoxin to control different signaling pathways in different subcellular regions. The study of how these elements cooperatively act is essential for the understanding of nervous system development, as well as the application of regenerative therapies that recapitulate these processes. FUTURE DIRECTIONS The information about these topics in the last two decades leads us to the conclusion that the role of ROS signaling in development of the nervous system is more important than it was previously believed and makes clear the importance of exploring in more detail the mechanisms of redox signaling. Antioxid. Redox Signal. 28, 1603-1625.
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Affiliation(s)
- Mauricio Olguín-Albuerne
- División de Neurociencias, Instituto de Fisiología Celular , Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Julio Morán
- División de Neurociencias, Instituto de Fisiología Celular , Universidad Nacional Autónoma de México, Ciudad de México, México
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16
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Karicheva O, Rodriguez-Vargas JM, Wadier N, Martin-Hernandez K, Vauchelles R, Magroun N, Tissier A, Schreiber V, Dantzer F. PARP3 controls TGFβ and ROS driven epithelial-to-mesenchymal transition and stemness by stimulating a TG2-Snail-E-cadherin axis. Oncotarget 2018; 7:64109-64123. [PMID: 27579892 PMCID: PMC5325429 DOI: 10.18632/oncotarget.11627] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 08/10/2016] [Indexed: 12/30/2022] Open
Abstract
Several members of the Poly(ADP-ribose) polymerase (PARP) family are essential regulators of genome integrity, actively prospected as drug targets for cancer therapy. Among them, PARP3 is well characterized for its functions in double-strand break repair and mitotis. Here we report that PARP3 also plays an integral role in TGFβ and reactive oxygen species (ROS) dependent epithelial-to-mesenchymal transition (EMT) and stem-like cell properties in human mammary epithelial and breast cancer cells. PARP3 expression is higher in breast cancer cells of the mesenchymal phenotype and correlates with the expression of the mesenchymal marker Vimentin while being in inverse correlation with the epithelial marker E-cadherin. Furthermore, PARP3 expression is significantly upregulated during TGFβ-induced EMT in various human epithelial cells. In line with this observation, PARP3 depletion alters TGFβ-dependent EMT of mammary epithelial cells by preventing the induction of the Snail-E-cadherin axis, the dissolution of cell junctions, the acquisition of cell motility and chemoresistance. PARP3 responds to TGFβ-induced ROS to promote a TG2-Snail-E-cadherin axis during EMT. Considering the link between EMT and cancer stem cells, we show that PARP3 promotes stem-like cell properties in mammary epithelial and breast cancer cells by inducing the expression of the stem cell markers SOX2 and OCT4, by increasing the proportion of tumor initiating CD44high/CD24low population and the formation of tumor spheroid bodies, and by promoting stem cell self-renewal. These findings point to a novel role of PARP3 in the control of TGFβ-induced EMT and acquisition of stem-like cell features and further motivate efforts to identify PARP3 specific inhibitors.
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Affiliation(s)
- Olga Karicheva
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
| | - José Manuel Rodriguez-Vargas
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
| | - Nadège Wadier
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
| | - Kathline Martin-Hernandez
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
| | - Romain Vauchelles
- Laboratoire de Biophotonique et Pharmacologie, UMR7213, Centre National de la Recherche Scientifique/Université de Strasbourg, Faculté de Pharmacie, 67401 Illkirch, France
| | - Najat Magroun
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
| | - Agnès Tissier
- EMT and Cancer Cell Plasticity, Laboratoire d'Excellence DevWeCan, Equipe labellisée Ligue Nationale Contre Le Cancer, Centre de Recherche en Cancérologie, UMR INSERM 1052 CNRS 5286, Centre Léon Bérard, F-69008 Lyon, France
| | - Valérie Schreiber
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
| | - Françoise Dantzer
- Poly(ADP-ribosyl)ation and Genome Integrity, Laboratoire d'Excellence Medalis, UMR7242, Centre National de la Recherche Scientifique/Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67412 Illkirch, France
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17
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Wu YH, Lee YH, Shih HY, Chen SH, Cheng YC, Tsun-Yee Chiu D. Glucose-6-phosphate dehydrogenase is indispensable in embryonic development by modulation of epithelial-mesenchymal transition via the NOX/Smad3/miR-200b axis. Cell Death Dis 2018; 9:10. [PMID: 29317613 PMCID: PMC5849038 DOI: 10.1038/s41419-017-0005-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 10/02/2017] [Accepted: 10/02/2017] [Indexed: 12/24/2022]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) is a housekeeping enzyme involved in the pentose phosphate shunt for producing nicotinamide adenine dinucleotide phosphate (NADPH). Severe G6PD deficiency leads to embryonic lethality, but the underlying mechanism is unclear. In the current study, the effects of G6PD on epithelial-mesenchymal transition (EMT), especially during embryonic development, were investigated. The knockdown of G6PD induced morphological changes, accompanied by the suppression of epithelial markers, E-cadherin and β-catenin, in A549 and MDCK cells. Such modulation of EMT was corroborated by the enhancement of migration ability in G6PD-knockdown A549 cells. Zebrafish embryos with g6pd knockdown exhibited downregulation of the E-cadherin/β-catenin adhesion molecules and impaired embryonic development through reduction in epiboly rate and increase in cell shedding at the embryo surface. The dysregulation in zebrafish embryonic development caused by g6pd knockdown could be rescued through human G6PD or CDH1 (E-cadherin gene) cRNA coinjection. The Smad3/miR-200b axis was dysregulated upon G6PD knockdown, and the reconstitution of SMAD3 in G6PD-knockdown A549 cells restored the expression of E-cadherin/β-catenin. The inhibition of NADPH oxidase (NOX) activation through the loss of p22phox signaling was involved in the dysregulation of the Smad3/miR-200b axis upon G6PD knockdown. The reconstitution of G6PD led to the recovery of the regulation of NOX/Smad3/miR-200b signaling and increased the expression of E-cadherin/β-catenin in G6PD-knockdown cells. Thus, these results suggest that in the EMT process, G6PD plays an important regulatory role as an integral component of the NOX/Smad3/miR-200b axis.
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Affiliation(s)
- Yi-Hsuan Wu
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan.,Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ying-Hsuan Lee
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Hung-Yu Shih
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Shih-Hsiang Chen
- Department of Pediatric Hematology/Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Yi-Chuan Cheng
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan. .,Neuroscience Research Center, Chang Gung Memorial Hospital at Linkou Medical Center, Taoyuan, Taiwan.
| | - Daniel Tsun-Yee Chiu
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan. .,Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan. .,Department of Pediatric Hematology/Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan. .,Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan.
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18
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Nox, Reactive Oxygen Species and Regulation of Vascular Cell Fate. Antioxidants (Basel) 2017; 6:antiox6040090. [PMID: 29135921 PMCID: PMC5745500 DOI: 10.3390/antiox6040090] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 10/21/2017] [Accepted: 11/07/2017] [Indexed: 01/09/2023] Open
Abstract
The generation of reactive oxygen species (ROS) and an imbalance of antioxidant defence mechanisms can result in oxidative stress. Several pro-atherogenic stimuli that promote intimal-medial thickening (IMT) and early arteriosclerotic disease progression share oxidative stress as a common regulatory pathway dictating vascular cell fate. The major source of ROS generated within the vascular system is the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase family of enzymes (Nox), of which seven members have been characterized. The Nox family are critical determinants of the redox state within the vessel wall that dictate, in part the pathophysiology of several vascular phenotypes. This review highlights the putative role of ROS in controlling vascular fate by promoting endothelial dysfunction, altering vascular smooth muscle phenotype and dictating resident vascular stem cell fate, all of which contribute to intimal medial thickening and vascular disease progression.
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19
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Santos T, Ferreira R, Quartin E, Boto C, Saraiva C, Bragança J, Peça J, Rodrigues C, Ferreira L, Bernardino L. Blue light potentiates neurogenesis induced by retinoic acid-loaded responsive nanoparticles. Acta Biomater 2017; 59:293-302. [PMID: 28673742 DOI: 10.1016/j.actbio.2017.06.044] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 06/21/2017] [Accepted: 06/28/2017] [Indexed: 01/18/2023]
Abstract
Neurogenic niches constitute a powerful endogenous source of new neurons that can be used for brain repair strategies. Neuronal differentiation of these cells can be regulated by molecules such as retinoic acid (RA) or by mild levels of reactive oxygen species (ROS) that are also known to upregulate RA receptor alpha (RARα) levels. Data showed that neural stem cells from the subventricular zone (SVZ) exposed to blue light (405nm laser) transiently induced NADPH oxidase-dependent ROS, resulting in β-catenin activation and neuronal differentiation, and increased RARα levels. Additionally, the same blue light stimulation was capable of triggering the release of RA from light-responsive nanoparticles (LR-NP). The synergy between blue light and LR-NP led to amplified neurogenesis both in vitro and in vivo, while offering a temporal and spatial control of RA release. In conclusion, this combinatory treatment offers great advantages to potentiate neuronal differentiation, and provides an innovative and efficient application for brain regenerative therapies. STATEMENT OF SIGNIFICANCE Controlling the differentiation of stem cells would support the development of promising brain regenerative therapies. Blue light transiently increased reactive oxygen species, resulting in neuronal differentiation and increased retinoic acid receptor (RARα) levels. Additionally, the same blue light stimulation was capable of triggering the release of RA from light-responsive nanoparticles (LR-NP). The synergy between blue light and LR-NP led to amplified neurogenesis, while offering a temporal and spatial control of RA release. In this sense, our approach relying on the modulation of endogenous stem cells for the generation of new neurons may support the development of novel clinical therapies.
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Affiliation(s)
- Tiago Santos
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - Raquel Ferreira
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - Emanuel Quartin
- Biocant - Center of Innovation in Biotechnology, 3060-197 Cantanhede, Portugal
| | - Carlos Boto
- Biocant - Center of Innovation in Biotechnology, 3060-197 Cantanhede, Portugal
| | - Cláudia Saraiva
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - José Bragança
- Institute for Biotechnology and Bioengineering, Centre for Molecular and Structural Biomedicine (CBME), University of Algarve, 8005-139 Faro, Portugal
| | - João Peça
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal; Institute for Interdisciplinary Research, Faculty of Medicine, University of Coimbra (IIIUC), 3030-789 Coimbra, Portugal
| | - Cecília Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
| | - Lino Ferreira
- Biocant - Center of Innovation in Biotechnology, 3060-197 Cantanhede, Portugal; CNC - Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal; Institute for Interdisciplinary Research, Faculty of Medicine, University of Coimbra (IIIUC), 3030-789 Coimbra, Portugal
| | - Liliana Bernardino
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Rua Marquês d'Ávila e Bolama, 6201-001 Covilhã, Portugal.
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NADPH Oxidases: Insights into Selected Functions and Mechanisms of Action in Cancer and Stem Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017. [PMID: 28626501 PMCID: PMC5463201 DOI: 10.1155/2017/9420539] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
NADPH oxidases (NOX) are reactive oxygen species- (ROS-) generating enzymes regulating numerous redox-dependent signaling pathways. NOX are important regulators of cell differentiation, growth, and proliferation and of mechanisms, important for a wide range of processes from embryonic development, through tissue regeneration to the development and spread of cancer. In this review, we discuss the roles of NOX and NOX-derived ROS in the functioning of stem cells and cancer stem cells and in selected aspects of cancer cell physiology. Understanding the functions and complex activities of NOX is important for the application of stem cells in tissue engineering, regenerative medicine, and development of new therapies toward invasive forms of cancers.
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Chen CC, Hsia CW, Ho CW, Liang CM, Chen CM, Huang KL, Kang BH, Chen YH. Hypoxia and hyperoxia differentially control proliferation of rat neural crest stem cells via distinct regulatory pathways of the HIF1α-CXCR4 and TP53-TPM1 proteins. Dev Dyn 2017; 246:162-185. [PMID: 28002632 DOI: 10.1002/dvdy.24481] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 12/09/2016] [Accepted: 12/13/2016] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Neural crest stem cells (NCSCs) are a population of adult multipotent stem cells. We are interested in studying whether oxygen tensions affect the capability of NCSCs to self-renew and repair damaged tissues. NCSCs extracted from the hair follicle bulge region of the rat whisker pad were cultured in vitro under different oxygen tensions. RESULTS We found significantly increased and decreased rates of cell proliferation in rat NCSCs (rNCSCs) cultured, respectively, at 0.5% and 80% oxygen levels. At 0.5% oxygen, the expression of both hypoxia-inducible factor (HIF) 1α and CXCR4 was greatly enhanced in the rNCSC nuclei and was suppressed by incubation with the CXCR4-specific antagonist AMD3100. In addition, the rate of cell apoptosis in the rNCSCs cultured at 80% oxygen was dramatically increased, associated with increased nuclear expression of TP53, decreased cytoplasmic expression of TPM1 (tropomyosin-1), and increased nuclear-to-cytoplasmic translocation of S100A2. Incubation of rNCSCs with the antioxidant N-acetylcysteine (NAC) overcame the inhibitory effect of 80% oxygen on proliferation and survival of rNCSCs. CONCLUSIONS Our results show for the first time that extreme oxygen tensions directly control NCSC proliferation differentially via distinct regulatory pathways of proteins, with hypoxia via the HIF1α-CXCR4 pathway and hyperoxia via the TP53-TPM1 pathway. Developmental Dynamics 246:162-185, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Chien-Cheng Chen
- Graduate Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Neihu District, Taipei City, Taiwan
| | - Ching-Wu Hsia
- Department of Finance, School of Management, Shih Hsin University, Wenshan District, Taipei City, Taiwan
| | - Cheng-Wen Ho
- Graduate Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Neihu District, Taipei City, Taiwan
- Division of Rehabilitation Medicine, Taoyuan Armed Forces General Hospital, Longtan District, Taoyuan City, Taiwan
| | - Chang-Min Liang
- Department of Ophthalmology, Tri-Service General Hospital, Neihu District, Taipei City, Taiwan
| | - Chieh-Min Chen
- Graduate Institute of Microbiology and Immunology, National Defense Medical Center, Neihu District, Taipei City, Taiwan
| | - Kun-Lun Huang
- Graduate Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Neihu District, Taipei City, Taiwan
- Department of Undersea and Hyperbaric Medicine, Tri-Service General Hospital, Neihu District, Taipei City, Taiwan
| | - Bor-Hwang Kang
- Division of Diving Medicine, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Zuoying District, Kaohsiung City, Taiwan
- Department of Otorhinolaryngology - Head and Neck Surgery, Tri-Service General Hospital, Taipei City, Taiwan
| | - Yi-Hui Chen
- Graduate Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Neihu District, Taipei City, Taiwan
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22
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Kang X, Wei X, Jiang L, Niu C, Zhang J, Chen S, Meng D. Nox2 and Nox4 regulate self-renewal of murine induced-pluripotent stem cells. IUBMB Life 2016; 68:963-970. [PMID: 27797149 DOI: 10.1002/iub.1574] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 09/19/2016] [Indexed: 12/15/2022]
Abstract
Reactive oxygen species (ROS) and redox homeostasis have a pivotal role in the maintenance of stem cell pluripotency and in stem cell self-renewal; however, the mechanisms by which ROS regulate the self-renewal of stem cells have not been thoroughly studied. Here, we evaluated the role of the ROS produced by NADPH oxidase 2 (Nox2) and NADPH oxidase 4 (Nox4) in the self-renewal and stemness of murine induced-pluripotent stem cells (miPSCs). Targeted silencing of Nox2 or Nox4 reduced both NADPH oxidase activity and intracellular ROS levels, as well as alkaline phosphatase activity, the total number of miPSCs, the expression of insulin-like growth factor-1 (IGF-1), IGF-1 receptor, and the phosphorylation of extracellular signal regulated kinase (ERK) 1/2. Nox2/Nox4 overexpression or low, nontoxic concentration of H2 O2 increased cell proliferation in miPSCs. Furthermore, expression of the stemness genes Sox2 and Oct4 was lower in Nox2/Nox4-deficient miPSCs, and higher in Nox2/Nox4-overexpressing miPSCs, than in miPSCs with normal levels of Nox2/Nox4 expression. Collectively, these results suggest that Nox2- and Nox4-derived ROS contribute to stem cell pluripotency maintenance and self-renewal. © 2016 IUBMB Life, 68(12):963-970, 2016.
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Affiliation(s)
- Xueling Kang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Xiangxiang Wei
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Li Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Cong Niu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jianyi Zhang
- Department of Biomedical Engineering, School of Medicine, University of Alabama at Birmingham, Birmingham, AL
| | - Sifeng Chen
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Dan Meng
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, China
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Yang HC, Wu YH, Liu HY, Stern A, Chiu DTY. What has passed is prolog: new cellular and physiological roles of G6PD. Free Radic Res 2016; 50:1047-1064. [PMID: 27684214 DOI: 10.1080/10715762.2016.1223296] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
G6PD deficiency has been the most pervasive inherited disorder in the world since having been discovered. G6PD has an antioxidant role by functioning as a major nicotinamide adenine dinucleotide phosphate (NADPH) provider to reduce excessive oxidative stress. NADPH can produce reactive oxygen species (ROS) and reactive nitrogen species (RNS) mediated by NADPH oxidase (NOX) and nitric oxide synthase (NOS), respectively. Hence, G6PD also has a pro-oxidant role. Research in the past has focused on the enhanced susceptibility of G6PD-deficient cells or individuals to oxidative challenge. The cytoregulatory role of G6PD has largely been overlooked. By using a metabolomic approach, it is noted that upon oxidant challenge, G6PD-deficient cells will reprogram the GSH metabolism from regeneration to synthesis with exhaustive energy consumption. Recently, new cellular/physiologic roles of G6PD have been discovered. By using a proteomic approach, it has been found that G6PD plays a regulatory role in xenobiotic metabolism possibly via NOX and the redox-sensitive Nrf2-signaling pathway to modulate the expression of xenobiotic-metabolizing enzymes. Since G6PD is a key regulator responsible for intracellular redox homeostasis, G6PD deficiency can alter redox balance leading to many abnormal cellular effects such as the cellular inflammatory and immune response against viral infection. G6PD may play an important role in embryogenesis as G6PD-knockdown mouse cannot produce offspring and G6PD-deficient C. elegans with defective egg production and hatching. This array of findings indicates that the cellular and physiologic roles of G6PD, other than the classical role as an antioxidant enzyme, deserve further attention.
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Affiliation(s)
- Hung-Chi Yang
- a Department of Medical Biotechnology and Laboratory Sciences , College of Medicine, Chang Gung University , Taoyuan , Taiwan.,b Healthy Aging Research Center, Chang Gung University , Taoyuan , Taiwan
| | - Yi-Hsuan Wu
- a Department of Medical Biotechnology and Laboratory Sciences , College of Medicine, Chang Gung University , Taoyuan , Taiwan
| | - Hui-Ya Liu
- a Department of Medical Biotechnology and Laboratory Sciences , College of Medicine, Chang Gung University , Taoyuan , Taiwan
| | - Arnold Stern
- c Department of Biochemistry and Molecular Pharmacology , New York University School of Medicine , New York , NY , USA
| | - Daniel Tsun-Yee Chiu
- a Department of Medical Biotechnology and Laboratory Sciences , College of Medicine, Chang Gung University , Taoyuan , Taiwan.,b Healthy Aging Research Center, Chang Gung University , Taoyuan , Taiwan.,d Department of Pediatric Hematology/Oncology , Chang Gung Memorial Hospital , Linkou , Taiwan
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Haigh CL, Tumpach C, Collins SJ, Drew SC. A 2-Substituted 8-Hydroxyquinoline Stimulates Neural Stem Cell Proliferation by Modulating ROS Signalling. Cell Biochem Biophys 2016; 74:297-306. [DOI: 10.1007/s12013-016-0747-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 06/09/2016] [Indexed: 01/05/2023]
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25
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Park KY, Na Y, Kim MS. Role of Nox4 in Neuronal Differentiation of Mouse Subventricular Zone Neural Stem Cells. ACTA ACUST UNITED AC 2016. [DOI: 10.5352/jls.2016.26.1.8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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