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Rauf A, Khalil AA, Awadallah S, Khan SA, Abu‐Izneid T, Kamran M, Hemeg HA, Mubarak MS, Khalid A, Wilairatana P. Reactive oxygen species in biological systems: Pathways, associated diseases, and potential inhibitors-A review. Food Sci Nutr 2024; 12:675-693. [PMID: 38370049 PMCID: PMC10867483 DOI: 10.1002/fsn3.3784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 02/20/2024] Open
Abstract
Reactive oxygen species (ROS) are produced under normal physiological conditions and may have beneficial and harmful effects on biological systems. ROS are involved in many physiological processes such as differentiation, proliferation, necrosis, autophagy, and apoptosis by acting as signaling molecules or regulators of transcription factors. In this case, maintaining proper cellular ROS levels is known as redox homeostasis. Oxidative stress occurs because of the imbalance between the production of ROS and antioxidant defenses. Sources of ROS include the mitochondria, auto-oxidation of glucose, and enzymatic pathways such as nicotinamide adenine dinucleotide phosphate reduced (NAD[P]H) oxidase. The possible ROS pathways are NF-κB, MAPKs, PI3K-Akt, and the Keap1-Nrf2-ARE signaling pathway. This review covers the literature pertaining to the possible ROS pathways and strategies to inhibit them. Additionally, this review summarizes the literature related to finding ROS inhibitors.
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Affiliation(s)
- Abdur Rauf
- Department of ChemistryUniversity of SwabiAnbarPakistan
| | - Anees Ahmed Khalil
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health SciencesThe University of LahoreLahorePakistan
| | - Samir Awadallah
- Department of Medical Lab Sciences, Faculty of Allied Medical SciencesZarqa UniversityZarqaJordan
| | - Shahid Ali Khan
- Department of Chemistry, School of Natural SciencesNational University of Science and Technology (NUST)IslamabadPakistan
| | - Tareq Abu‐Izneid
- Pharmaceutical Sciences, College of PharmacyAl Ain UniversityAl Ain, Abu DhabiUAE
| | - Muhammad Kamran
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological SciencesUniversity of KarachiKarachiPakistan
| | - Hassan A. Hemeg
- Department of Medical Laboratory Technology, College of Applied Medical SciencesTaibah UniversityAl‐Medinah Al‐MonawaraSaudi Arabia
| | | | - Ahood Khalid
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health SciencesThe University of LahoreLahorePakistan
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
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Role of RNA Oxidation in Neurodegenerative Diseases. Int J Mol Sci 2020; 21:ijms21145022. [PMID: 32708667 PMCID: PMC7403986 DOI: 10.3390/ijms21145022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/10/2020] [Accepted: 07/14/2020] [Indexed: 12/13/2022] Open
Abstract
In the history of nucleic acid research, DNA has always been the main research focus. After the sketch of the human genome was completed in 2000, RNA has been started to gain more attention due to its abundancies in the cell and its essential role in cellular physiology and pathologies. Recent studies have shown that RNAs are susceptible to oxidative damage and oxidized RNA is able to break the RNA strand, and affect the protein synthesis, which can lead to cell degradation and cell death. Studies have shown that RNA oxidation is one of the early events in the formation and development of neurodegenerative disorders, including Alzheimer’s disease, Parkinson’s disease, and amyotrophic lateral sclerosis. However, its molecular mechanism, as well as its impact on these diseases, are still unclear. In this article, we review the different types of RNA oxidative damage and the neurodegenerative diseases that are reported to be associated with RNA oxidative damage. In addition, we discuss recent findings on the association between RNA oxidative damage and the development of neurodegenerative diseases, which will have great significance for the development of novel strategies for the prevention and treatment of these diseases.
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Henderson LE, Abdelmegeed MA, Yoo SH, Rhee SG, Zhu X, Smith MA, Nguyen RQ, Perry G, Song BJ. Enhanced Phosphorylation of Bax and Its Translocation into Mitochondria in the Brains of Individuals Affiliated with Alzheimer's Disease. Open Neurol J 2017; 11:48-58. [PMID: 29290835 PMCID: PMC5738752 DOI: 10.2174/1874205x01711010048] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 09/05/2017] [Accepted: 10/10/2017] [Indexed: 12/22/2022] Open
Abstract
Background: Despite increased neuronal death, senile plaques, and neurofibrillary tangles observed in patients suffering from Alzheimer’s disease (AD), the detailed mechanism of cell death in AD is still poorly understood. Method: We hypothesized that p38 kinase activates and then phosphorylates Bax, leading to its translocation to mitochondria in AD brains compared to controls. The aim of this study was to investigate the role of p38 kinase in phosphorylation and sub-cellular localization of pro-apoptotic Bax in the frontal cortex of the brains from AD and control subjects. Increased oxidative stress in AD individuals compared to control was evaluated by measuring the levels of carbonylated proteins and oxidized peroxiredoxin, an antioxidant enzyme. The relative amounts of p38 kinase and phospho-Bax in mitochondria in AD brains and controls were determined by immunoblot analysis using the respective antibody against each protein following immunoprecipitation. Results: Our results showed that the levels of oxidized peroxiredoxin-SO3 and carbonylated proteins are significantly elevated in AD brains compared to controls, demonstrating the increased oxidative stress. Conclusion: The amount of phospho-p38 kinase is increased in AD brains and the activated p38 kinase appears to phosphorylate Thr residue(s) of Bax, which leads to its mitochondrial translocation, contributing to apoptosis and ultimately, neurodegeneration.
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Affiliation(s)
- L E Henderson
- Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland 20892-9410, USA
| | - M A Abdelmegeed
- Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland 20892-9410, USA
| | - S H Yoo
- Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland 20892-9410, USA
| | - S G Rhee
- Division of Life and Pharmaceutical Sciences, Ewha Womans University, Seoul, Korea
| | - X Zhu
- Department of Pathology, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - M A Smith
- Department of Pathology, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - R Q Nguyen
- Department of Biology, College of Sciences, University of Texas at San Antonio, San Antonio, TX, USA
| | - G Perry
- Department of Biology, College of Sciences, University of Texas at San Antonio, San Antonio, TX, USA
| | - B J Song
- Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland 20892-9410, USA
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Consequences of RNA oxidation on protein synthesis rate and fidelity: implications for the pathophysiology of neuropsychiatric disorders. Biochem Soc Trans 2017; 45:1053-1066. [DOI: 10.1042/bst20160433] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 07/03/2017] [Accepted: 07/05/2017] [Indexed: 12/17/2022]
Abstract
Unlike DNA, oxidative damage to RNA has received little attention presumably due to the assumed transient nature of RNA. However, RNAs including mRNA can persist for several hours to days in certain tissues and are demonstrated to sustain greater oxidative damage than DNA. Because neuronal cells in the brain are continuously exposed to reactive oxygen species due to a high oxygen consumption rate, it is not surprising that neuronal RNA oxidation is observed as a common feature at an early stage in a series of neurodegenerative disorders. A recent study on a well-defined bacterial translation system has revealed that mRNA containing 8-oxo-guanosine (8-oxoGuo) has little effect on fidelity despite the anticipated miscoding. Indeed, 8-oxoGuo-containing mRNA leads to ribosomal stalling with a reduced rate of peptide-bond formation by 3–4 orders of magnitude and is subject to no-go decay, a ribosome-based mRNA surveillance mechanism. Another study demonstrates that transfer RNA oxidation catalyzed by cytochrome c (cyt c) leads to its depurination and cross-linking, which may facilitate cyt c release from mitochondria and subsequently induce apoptosis. Even more importantly, a discovery of oxidized microRNA has been recently reported. The oxidized microRNA causes misrecognizing the target mRNAs and subsequent down-regulation in the protein synthesis. It is noteworthy that oxidative modification to RNA not only interferes with the translational machinery but also with regulatory mechanisms of noncoding RNAs that contribute toward the biological complexity of the mammalian brain. Oxidative RNA damage might be a promising therapeutic target potentially useful for an early intervention of diverse neuropsychiatric disorders.
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Martín-Montañez E, Millon C, Boraldi F, Garcia-Guirado F, Pedraza C, Lara E, Santin LJ, Pavia J, Garcia-Fernandez M. IGF-II promotes neuroprotection and neuroplasticity recovery in a long-lasting model of oxidative damage induced by glucocorticoids. Redox Biol 2017; 13:69-81. [PMID: 28575743 PMCID: PMC5454142 DOI: 10.1016/j.redox.2017.05.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 05/23/2017] [Indexed: 11/05/2022] Open
Abstract
Insulin-like growth factor-II (IGF-II) is a naturally occurring hormone that exerts neurotrophic and neuroprotective properties in a wide range of neurodegenerative diseases and ageing. Accumulating evidence suggests that the effects of IGF-II in the brain may be explained by its binding to the specific transmembrane receptor, IGFII/M6P receptor (IGF-IIR). However, relatively little is known regarding the role of IGF-II through IGF-IIR in neuroprotection. Here, using adult cortical neuronal cultures, we investigated whether IGF-II exhibits long-term antioxidant effects and neuroprotection at the synaptic level after oxidative damage induced by high and transient levels of corticosterone (CORT). Furthermore, the involvement of the IGF-IIR was also studied to elucidate its role in the neuroprotective actions of IGF-II. We found that neurons treated with IGF-II after CORT incubation showed reduced oxidative stress damage and recovered antioxidant status (normalized total antioxidant status, lipid hydroperoxides and NAD(P) H:quinone oxidoreductase activity). Similar results were obtained when mitochondria function was analysed (cytochrome c oxidase activity, mitochondrial membrane potential and subcellular mitochondrial distribution). Furthermore, neuronal impairment and degeneration were also assessed (synaptophysin and PSD-95 expression, presynaptic function and FluoroJade B® stain). IGF-II was also able to recover the long-lasting neuronal cell damage. Finally, the effects of IGF-II were not blocked by an IGF-IR antagonist, suggesting the involvement of IGF-IIR. Altogether these results suggest that, in or model, IGF-II through IGF-IIR is able to revert the oxidative damage induced by CORT. In accordance with the neuroprotective role of the IGF-II/IGF-IIR reported in our study, pharmacotherapy approaches targeting this pathway may be useful for the treatment of diseases associated with cognitive deficits (i.e., neurodegenerative disorders, depression, etc.). First evidence that IGF-II reverts oxidative synaptic damage produced by corticoids. IGF-II recovers mitochondrial function in synapses after oxidative damage. IGF-II restores mitochondrial distribution in neurons after oxidative damage. Evidence of the involvement of IGF-II receptor in the recovery of synaptic function. IGF-II reverts neurodegeneration induced by oxidative damage produced by corticoids.
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Affiliation(s)
- E Martín-Montañez
- Department of Pharmacology and Paediatrics, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - C Millon
- Department of Human Physiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - F Boraldi
- Department of Life Sciences, University of Modena e Reggio Emilia, Modena, Italy
| | - F Garcia-Guirado
- Department of Human Physiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - C Pedraza
- Department of Psychobiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - E Lara
- Department of Human Physiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - L J Santin
- Department of Psychobiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain
| | - J Pavia
- Department of Pharmacology and Paediatrics, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain.
| | - M Garcia-Fernandez
- Department of Human Physiology, Málaga University, Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain.
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