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Pan L, Boldogh I. The potential for OGG1 inhibition to be a therapeutic strategy for pulmonary diseases. Expert Opin Ther Targets 2024; 28:117-130. [PMID: 38344773 PMCID: PMC11111349 DOI: 10.1080/14728222.2024.2317900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 02/07/2024] [Indexed: 02/15/2024]
Abstract
INTRODUCTION Pulmonary diseases impose a daunting burden on healthcare systems and societies. Current treatment approaches primarily address symptoms, underscoring the urgency for the development of innovative pharmaceutical solutions. A noteworthy focus lies in targeting enzymes recognizing oxidatively modified DNA bases within gene regulatory elements, given their pivotal role in governing gene expression. AREAS COVERED This review delves into the intricate interplay between the substrate-specific binding of 8-oxoguanine DNA glycosylase 1 (OGG1) and epigenetic regulation, with a focal point on elucidating the molecular underpinnings and their biological implications. The absence of OGG1 distinctly attenuates the binding of transcription factors to cis elements, thereby modulating pro-inflammatory or pro-fibrotic transcriptional activity. Through a synergy of experimental insights gained from cell culture studies and murine models, utilizing prototype OGG1 inhibitors (O8, TH5487, and SU0268), a promising panorama emerges. These investigations underscore the absence of cytotoxicity and the establishment of a favorable tolerance profile for these OGG1 inhibitors. EXPERT OPINION Thus, the strategic targeting of the active site pocket of OGG1 through the application of small molecules introduces an innovative trajectory for advancing redox medicine. This approach holds particular significance in the context of pulmonary diseases, offering a refined avenue for their management.
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Affiliation(s)
- Lang Pan
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas 77555, USA
| | - Istvan Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas 77555, USA
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2
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Pan L, Vlahopoulos S, Tanner L, Bergwik J, Bacsi A, Radak Z, Egesten A, Ba X, Brasier AR, Boldogh I. Substrate-specific binding of 8-oxoguanine DNA glycosylase 1 (OGG1) reprograms mucosal adaptations to chronic airway injury. Front Immunol 2023; 14:1186369. [PMID: 37614238 PMCID: PMC10442650 DOI: 10.3389/fimmu.2023.1186369] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 07/24/2023] [Indexed: 08/25/2023] Open
Abstract
Recent advances have uncovered the non-random distribution of 7, 8-dihydro-8-oxoguanine (8-oxoGua) induced by reactive oxygen species, which is believed to have epigenetic effects. Its cognate repair protein, 8-oxoguanine DNA glycosylase 1 (OGG1), reads oxidative substrates and participates in transcriptional initiation. When redox signaling is activated in small airway epithelial cells, the DNA repair function of OGG1 is repurposed to transmit acute inflammatory signals accompanied by cell state transitions and modification of the extracellular matrix. Epithelial-mesenchymal and epithelial-immune interactions act cooperatively to establish a local niche that instructs the mucosal immune landscape. If the transitional cell state governed by OGG1 remains responsive to inflammatory mediators instead of differentiation, the collateral damage provides positive feedback to inflammation, ascribing inflammatory remodeling to one of the drivers in chronic pathologies. In this review, we discuss the substrate-specific read through OGG1 has evolved in regulating the innate immune response, controlling adaptations of the airway to environmental and inflammatory injury, with a focus on the reader function of OGG1 in initiation and progression of epithelial to mesenchymal transitions in chronic pulmonary disease.
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Affiliation(s)
- Lang Pan
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
| | - Spiros Vlahopoulos
- Horemeio Research Laboratory, First Department of Pediatrics, National and Kapodistrian University of Athens, Athens, Greece
| | - Lloyd Tanner
- Respiratory Medicine, Allergology & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Jesper Bergwik
- Respiratory Medicine, Allergology & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Attila Bacsi
- Department of Immunology, Faculty of Medicine, University of Debrecen, Hungary, Debrecen, Hungary
| | - Zsolt Radak
- Research Institute of Sport Science, University of Physical Education, Budapest, Hungary
| | - Arne Egesten
- Respiratory Medicine, Allergology & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, Lund, Sweden
| | - Xueqing Ba
- Key Laboratory of Molecular Epigenetics of Ministry of Education, School of Life Science, Northeast Normal University, Changchun, Jilin, China
| | - Allan R. Brasier
- Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health (SMPH), Madison, WI, United States
| | - Istvan Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
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Xue Y, Pan L, Vlahopoulos S, Wang K, Zheng X, Radak Z, Bacsi A, Tanner L, Brasier AR, Ba X, Boldogh I. Epigenetic control of type III interferon expression by 8-oxoguanine and its reader 8-oxoguanine DNA glycosylase1. Front Immunol 2023; 14:1161160. [PMID: 37600772 PMCID: PMC10436556 DOI: 10.3389/fimmu.2023.1161160] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/23/2023] [Indexed: 08/22/2023] Open
Abstract
Interferons (IFNs) are secreted cytokines with the ability to activate expression of IFN stimulated genes that increase resistance of cells to virus infections. Activated transcription factors in conjunction with chromatin remodelers induce epigenetic changes that reprogram IFN responses. Unexpectedly, 8-oxoguanine DNA glycosylase1 (Ogg1) knockout mice show enhanced stimuli-driven IFN expression that confers increased resistance to viral and bacterial infections and allergen challenges. Here, we tested the hypothesis that the DNA repair protein OGG1 recognizes 8-oxoguanine (8-oxoGua) in promoters modulating IFN expression. We found that functional inhibition, genetic ablation, and inactivation by post-translational modification of OGG1 significantly augment IFN-λ expression in epithelial cells infected by human respiratory syncytial virus (RSV). Mechanistically, OGG1 bound to 8-oxoGua in proximity to interferon response elements, which inhibits the IRF3/IRF7 and NF-κB/RelA DNA occupancy, while promoting the suppressor NF-κB1/p50-p50 homodimer binding to the IFN-λ2/3 promoter. In a mouse model of bronchiolitis induced by RSV infection, functional ablation of OGG1 by a small molecule inhibitor (TH5487) enhances IFN-λ production, decreases immunopathology, neutrophilia, and confers antiviral protection. These findings suggest that the ROS-generated epigenetic mark 8-oxoGua via its reader OGG1 serves as a homeostatic thresholding factor in IFN-λ expression. Pharmaceutical targeting of OGG1 activity may have clinical utility in modulating antiviral response.
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Affiliation(s)
- Yaoyao Xue
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
- Key Laboratory of Molecular Epigenetics of Ministry of Education, School of Life Science, Northeast Normal University, Changchun, China
| | - Lang Pan
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
| | - Spiros Vlahopoulos
- Horemeio Research Laboratory, First Department of Pediatrics, National and Kapodistrian, University of Athens, Athens, Greece
| | - Ke Wang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
- Key Laboratory of Molecular Epigenetics of Ministry of Education, School of Life Science, Northeast Normal University, Changchun, China
| | - Xu Zheng
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
- Key Laboratory of Molecular Epigenetics of Ministry of Education, School of Life Science, Northeast Normal University, Changchun, China
| | - Zsolt Radak
- Research Institute of Molecular Exercise Science, University of Sport Science, Budapest, Hungary
| | - Attila Bacsi
- Department of Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Lloyd Tanner
- Respiratory Medicine, Allergology & Palliative Medicine, Lund University and Skåne University Hospital, Lund, Sweden
| | - Allan R Brasier
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Xueqing Ba
- Key Laboratory of Molecular Epigenetics of Ministry of Education, School of Life Science, Northeast Normal University, Changchun, China
| | - Istvan Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, United States
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Abstract
According to the endosymbiotic theory, most of the DNA of the original bacterial endosymbiont has been lost or transferred to the nucleus, leaving a much smaller (∼16 kb in mammals), circular molecule that is the present-day mitochondrial DNA (mtDNA). The ability of mtDNA to escape mitochondria and integrate into the nuclear genome was discovered in budding yeast, along with genes that regulate this process. Mitochondria have emerged as key regulators of innate immunity, and it is now recognized that mtDNA released into the cytoplasm, outside of the cell, or into circulation activates multiple innate immune signaling pathways. Here, we first review the mechanisms through which mtDNA is released into the cytoplasm, including several inducible mitochondrial pores and defective mitophagy or autophagy. Next, we cover how the different forms of released mtDNA activate specific innate immune nucleic acid sensors and inflammasomes. Finally, we discuss how intracellular and extracellular mtDNA release, including circulating cell-free mtDNA that promotes systemic inflammation, are implicated in human diseases, bacterial and viral infections, senescence and aging.
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Affiliation(s)
- Laura E Newman
- Salk Institute for Biological Studies, La Jolla, California, USA;
| | - Gerald S Shadel
- Salk Institute for Biological Studies, La Jolla, California, USA;
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De Rosa M, Barnes RP, Nyalapatla PR, Wipf P, Opresko PL. OGG1 and MUTYH repair activities promote telomeric 8-oxoguanine induced cellular senescence. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.10.536247. [PMID: 37090589 PMCID: PMC10120708 DOI: 10.1101/2023.04.10.536247] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Telomeres are prone to formation of the common oxidative lesion 8-oxoguanine (8oxoG), and the acute production of 8oxoG damage at telomeres is sufficient to drive rapid cellular senescence. OGG1 and MUTYH glycosylases initiate base excision repair (BER) at 8oxoG sites to remove the lesion or prevent mutation. Here, we show OGG1 loss or inhibition, or MUTYH loss, partially rescues telomeric 8oxoG-induced senescence, and loss of both glycosylases results in a near complete rescue. Loss of these glycosylases also suppresses 8oxoG-induced telomere fragility and dysfunction, indicating that single-stranded break (SSB) intermediates arising downstream of glycosylase activity impair telomere replication. The failure to initiate BER in glycosylase-deficient cells suppresses PARylation at SSB intermediates and confers resistance to the synergistic effects of PARP inhibitors on damage-induced senescence. Our studies reveal that inefficient completion of 8oxoG BER at telomeres triggers cellular senescence via SSB intermediates which impair telomere replication and stability.
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Affiliation(s)
- Mariarosaria De Rosa
- Department of Environmental and Occupational Health, University of Pittsburgh School of Public Health, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Ryan P. Barnes
- Department of Environmental and Occupational Health, University of Pittsburgh School of Public Health, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | | | - Peter Wipf
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Deparment of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Patricia L. Opresko
- Department of Environmental and Occupational Health, University of Pittsburgh School of Public Health, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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6
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The radioresistant and survival mechanisms of Deinococcus radiodurans. RADIATION MEDICINE AND PROTECTION 2023. [DOI: 10.1016/j.radmp.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023] Open
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7
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Pan L, Hao W, Xue Y, Wang K, Zheng X, Luo J, Ba X, Xiang Y, Qin X, Bergwik J, Tanner L, Egesten A, Brasier AR, Boldogh I. 8-Oxoguanine targeted by 8-oxoguanine DNA glycosylase 1 (OGG1) is central to fibrogenic gene activation upon lung injury. Nucleic Acids Res 2023; 51:1087-1102. [PMID: 36651270 PMCID: PMC9943661 DOI: 10.1093/nar/gkac1241] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 12/04/2022] [Accepted: 12/13/2022] [Indexed: 01/19/2023] Open
Abstract
Reactive oxygen species (ROS) are implicated in epithelial cell-state transition and deposition of extracellular matrix upon airway injury. Of the many cellular targets of ROS, oxidative DNA modification is a major driving signal. However, the role of oxidative DNA damage in modulation profibrotic processes has not been fully delineated. Herein, we report that oxidative DNA base lesions, 8-oxoG, complexed with 8-oxoguanine DNA glycosylase 1 (OGG1) functions as a pioneer factor, contributing to transcriptional reprogramming within airway epithelial cells. We show that TGFβ1-induced ROS increased 8-oxoG levels in open chromatin, dynamically reconfigure the chromatin state. OGG1 complexed with 8-oxoG recruits transcription factors, including phosphorylated SMAD3, to pro-fibrotic gene promoters thereby facilitating gene activation. Moreover, 8-oxoG levels are elevated in lungs of mice subjected to TGFβ1-induced injury. Pharmacologic targeting of OGG1 with the selective small molecule inhibitor of 8-oxoG binding, TH5487, abrogates fibrotic gene expression and remodeling in this model. Collectively, our study implicates that 8-oxoG substrate-specific binding by OGG1 is a central modulator of transcriptional regulation in response to tissue repair.
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Affiliation(s)
- Lang Pan
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Wenjing Hao
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100871, China
| | - Yaoyao Xue
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Ke Wang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Xu Zheng
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Jixian Luo
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
- School of Life Sciences, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Xueqing Ba
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
- Key Laboratory of Molecular Epigenetics of Ministry of Education, School of Life Science, Northeast Normal University, Changchun, Jilin 130024, China
| | - Yang Xiang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410000, China
| | - Xiaoqun Qin
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, Hunan 410000, China
| | - Jesper Bergwik
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84 Lund, Sweden
| | - Lloyd Tanner
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84 Lund, Sweden
| | - Arne Egesten
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84 Lund, Sweden
| | - Allan R Brasier
- Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health (SMPH), Madison, WI 53705, USA
| | - Istvan Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA
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8
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Tanushi X, Pinna G, Vandamme M, Siberchicot C, D’Augustin O, Di Guilmi AM, Radicella JP, Castaing B, Smith R, Huet S, Leteurtre F, Campalans A. OGG1 competitive inhibitors show important off-target effects by directly inhibiting efflux pumps and disturbing mitotic progression. Front Cell Dev Biol 2023; 11:1124960. [PMID: 36819096 PMCID: PMC9936318 DOI: 10.3389/fcell.2023.1124960] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
One of the most abundant DNA lesions induced by Reactive oxygen species (ROS) is 8-oxoG, a highly mutagenic lesion that compromises genetic instability when not efficiently repaired. 8-oxoG is specifically recognized by the DNA-glycosylase OGG1 that excises the base and initiates the Base Excision Repair pathway (BER). Furthermore, OGG1 has not only a major role in DNA repair but it is also involved in transcriptional regulation. Cancer cells are particularly exposed to ROS, thus challenging their capacity to process oxidative DNA damage has been proposed as a promising therapeutic strategy for cancer treatment. Two competitive inhibitors of OGG1 (OGG1i) have been identified, TH5487 and SU0268, which bind to the OGG1 catalytic pocket preventing its fixation to the DNA. Early studies with these inhibitors show an enhanced cellular sensitivity to cytotoxic drugs and a reduction in the inflammatory response. Our study uncovers two unreported off-targets effects of these OGG1i that are independent of OGG1. In vitro and in cellulo approaches have unveiled that OGG1i TH5487 and SU0268, despite an unrelated molecular structure, are able to inhibit some members of the ABC family transporters, in particular ABC B1 (MDR1) and ABC G2 (BCRP). The inhibition of these efflux pumps by OGG1 inhibitors results in a higher intra-cellular accumulation of various fluorescent probes and drugs, and largely contributes to the enhanced cytotoxicity observed when the inhibitors are combined with cytotoxic agents. Furthermore, we found that SU0268 has an OGG1-independent anti-mitotic activity-by interfering with metaphase completion-resulting in a high cellular toxicity. These two off-target activities are observed at concentrations of OGG1i that are normally used for in vivo studies. It is thus critical to consider these previously unreported non-specific effects when interpreting studies using TH5487 and SU0268 in the context of OGG1 inhibition. Additionally, our work highlights the persistent need for new specific inhibitors of the enzymatic activity of OGG1.
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Affiliation(s)
- Xhaferr Tanushi
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Guillaume Pinna
- Université Paris-Saclay, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cite, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Marie Vandamme
- Université Paris-Saclay, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cite, Inserm, CEA/IBFJ/IRCM/Plateforme PARi, UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Capucine Siberchicot
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Ostiane D’Augustin
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes)—UMR 6290, BIOSIT—UMS 3480, Rennes, France
| | - Anne-Marie Di Guilmi
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - J. Pablo Radicella
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Bertrand Castaing
- Centre de Biophysique Moléculaire (CBM)UPR4301 CNRS, Université d’Orléans, Orléans, France
| | - Rebecca Smith
- Université Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes)—UMR 6290, BIOSIT—UMS 3480, Rennes, France
| | - Sebastien Huet
- Université Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes)—UMR 6290, BIOSIT—UMS 3480, Rennes, France,Institut Universitaire de France, Paris, France
| | - François Leteurtre
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France
| | - Anna Campalans
- Université Paris-Saclay, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,Université de Paris-Cité, CEA/IBFJ/IRCM. UMR Stabilité Génétique Cellules Souches et Radiations, Fontenay-aux-Roses, France,*Correspondence: Anna Campalans,
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9
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Fan J, Lv X, Yang S, Geng S, Yang J, Zhao Y, Zhang Z, Liu Z, Guan G, Luo J, Zeng Q, Yin H, Niu Q. OGG1 inhibition suppresses African swine fever virus replication. Virol Sin 2023; 38:96-107. [PMID: 36435451 PMCID: PMC10006199 DOI: 10.1016/j.virs.2022.11.006] [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: 06/21/2022] [Accepted: 11/18/2022] [Indexed: 11/26/2022] Open
Abstract
African swine fever virus (ASFV) is an important pathogen that causes a highly contagious and lethal disease in swine, for which neither a vaccine nor treatment is available. The DNA repair enzyme 8-oxoguanine DNA glycosylase 1 (OGG1), which excises the oxidative base lesion 8-oxo-7,8-dihydroguanine (8-oxoG), has been linked to the pathogenesis of different diseases associated with viral infections. However, the role of OGG1-base excision repair (BER) in ASFV infection has been poorly investigated. Our study aimed to characterize the alteration of host reactive oxygen species (ROS) and OGG1 and to analyse the role of OGG1 in ASFV infection. We found that ASFV infection induced high levels and dynamic changes in ROS and 8-oxoG and consistently increased the expression of OGG1. Viral yield, transcription level, and protein synthesis were reduced in ASFV-infected primary alveolar macrophages (PAMs) treated by TH5487 or SU0268 inhibiting OGG1. The expression of BER pathway associated proteins of ASFV was also suppressed in OGG1-inhibited PAMs. Furthermore, OGG1 was found to negatively regulate interferon β (IFN-β) production during ASFV infection and IFN-β could be activated by OGG1 inhibition with TH5487 and SU0268, which blocked OGG1 binding to 8-oxoG. Additionally, the interaction of OGG1 with viral MGF360-14-L protein could disturb IFN-β production to further affect ASFV replication. These results suggest that OGG1 plays the crucial role in successful viral infection and OGG1 inhibitors SU0268 or TH5487 could be used as antiviral agents for ASFV infection.
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Affiliation(s)
- Jie Fan
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, 730070, China; African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Xinqian Lv
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Saixia Yang
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Shuxian Geng
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, 730070, China; African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Jifei Yang
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Yaru Zhao
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Zhonghui Zhang
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Zhijie Liu
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Guiquan Guan
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Jianxun Luo
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Qiaoying Zeng
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, 730070, China.
| | - Hong Yin
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, 225009, China
| | - Qingli Niu
- African Swine Fever Regional Laboratory of China (Lanzhou), State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China.
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OGG1 in the Kidney: Beyond Base Excision Repair. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5774641. [PMID: 36620083 PMCID: PMC9822757 DOI: 10.1155/2022/5774641] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 01/01/2023]
Abstract
8-Oxoguanine DNA glycosylase (OGG1) is a repair protein for 8-oxoguanine (8-oxoG) in eukaryotic atopic DNA. Through the initial base excision repair (BER) pathway, 8-oxoG is recognized and excised, and subsequently, other proteins are recruited to complete the repair. OGG1 is primarily located in the cytoplasm and can enter the nucleus and mitochondria to repair damaged DNA or to exert epigenetic regulation of gene transcription. OGG1 is involved in a wide range of physiological processes, such as DNA repair, oxidative stress, inflammation, fibrosis, and autophagy. In recent years, studies have found that OGG1 plays an important role in the progression of kidney diseases through repairing DNA, inducing inflammation, regulating autophagy and other transcriptional regulation, and governing protein interactions and functions during disease and injury. In particular, the epigenetic effects of OGG1 in kidney disease have gradually attracted widespread attention. This study reviews the structure and biological functions of OGG1 and the regulatory mechanism of OGG1 in kidney disease. In addition, the possibility of OGG1 as a potential therapeutic target in kidney disease is discussed.
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Abstract
DNA repair enzymes continuously provide surveillance throughout our cells, protecting the enclosed DNA from the damage that is constantly arising from oxidation, alkylating species, and radiation. Members of this enzyme class are intimately linked to pathways controlling cancer and inflammation and are promising targets for diagnostics and future therapies. Their study is benefiting widely from the development of new tools and methods aimed at measuring their activities. Here, we provide an Account of our laboratory's work on developing chemical tools to study DNA repair processes in vitro, as well as in cells and tissues, and what we have learned by applying them.We first outline early work probing how DNA repair enzymes recognize specific forms of damage by use of chemical analogs of the damage with altered shapes and H-bonding abilities. One outcome of this was the development of an unnatural DNA base that is incorporated selectively by polymerase enzymes opposite sites of missing bases (abasic sites) in DNA, a very common form of damage.We then describe strategies for design of fluorescent probes targeted to base excision repair (BER) enzymes; these were built from small synthetic DNAs incorporating fluorescent moieties to engender light-up signals as the enzymatic reaction proceeds. Examples of targets for these DNA probes include UDG, SMUG1, Fpg, OGG1, MutYH, ALKBH2, ALKBH3, MTH1, and NTH1. Several such strategies were successful and were applied both in vitro and in cellular settings; moreover, some were used to discover small-molecule modulators of specific repair enzymes. One of these is the compound SU0268, a potent OGG1 inhibitor that is under investigation in animal models for inhibiting hyperinflammatory responses.To investigate cellular nucleotide sanitation pathways, we designed a series of "two-headed" nucleotides containing a damaged DNA nucleotide at one end and ATP at the other; these were applied to studying the three human sanitation enzymes MTH1, dUTPase, and dITPase, some of which are therapeutic targets. The MTH1 probe (ARGO) was used in collaboration with oncologists to measure the enzyme in tumors as a disease marker and also to develop the first small-molecule activators of the enzyme.We proceed to discuss the development of a "universal" probe of base excision repair processes (UBER), which reacts covalently with abasic site intermediates of base excision repair. UBER probes light up in real time as the reaction occurs, enabling the observation of base excision repair as it occurs in live cells and tissues. UBER probes can also be used in efficient and simple methods for fluorescent labeling of DNA. Finally, we suggest interesting directions for the future of this field in biomedicine and human health.
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Affiliation(s)
- Yong Woong Jun
- Department of Chemistry, Stanford University, 369 North-South Axis, Stauffer I, Stanford, California 94305, United States
| | - Eric T Kool
- Department of Chemistry, Stanford University, 369 North-South Axis, Stauffer I, Stanford, California 94305, United States
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Qin S, Liu Y, Chen Y, Hu J, Xiao W, Tang X, Li G, Lin P, Pu Q, Wu Q, Zhou C, Wang B, Gao P, Wang Z, Yan A, Nadeem K, Xia Z, Wu M. Engineered Bacteriophages Containing Anti-CRISPR Suppress Infection of Antibiotic-Resistant P. aeruginosa. Microbiol Spectr 2022; 10:e0160222. [PMID: 35972246 PMCID: PMC9602763 DOI: 10.1128/spectrum.01602-22] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/05/2022] [Indexed: 12/31/2022] Open
Abstract
The therapeutic use of bacteriophages (phages) provides great promise for treating multidrug-resistant (MDR) bacterial infections. However, an incomplete understanding of the interactions between phages and bacteria has negatively impacted the application of phage therapy. Here, we explored engineered anti-CRISPR (Acr) gene-containing phages (EATPs, eat Pseudomonas) by introducing Type I anti-CRISPR (AcrIF1, AcrIF2, and AcrIF3) genes into the P. aeruginosa bacteriophage DMS3/DMS3m to render the potential for blocking P. aeruginosa replication and infection. In order to achieve effective antibacterial activities along with high safety against clinically isolated MDR P. aeruginosa through an anti-CRISPR immunity mechanism in vitro and in vivo, the inhibitory concentration for EATPs was 1 × 108 PFU/mL with a multiplicity of infection value of 0.2. In addition, the EATPs significantly suppressed the antibiotic resistance caused by a highly antibiotic-resistant PA14 infection. Collectively, these findings provide evidence that engineered phages may be an alternative, viable approach by which to treat patients with an intractable bacterial infection, especially an infection by clinically MDR bacteria that are unresponsive to conventional antibiotic therapy. IMPORTANCE Pseudomonas aeruginosa (P. aeruginosa) is an opportunistic Gram-negative bacterium that causes severe infection in immune-weakened individuals, especially patients with cystic fibrosis, burn wounds, cancer, or chronic obstructive pulmonary disease (COPD). Treating P. aeruginosa infection with conventional antibiotics is difficult due to its intrinsic multidrug resistance. Engineered bacteriophage therapeutics, acting as highly viable alternative treatments of multidrug-resistant (MDR) bacterial infections, have great potential to break through the evolutionary constraints of bacteriophages to create next-generation antimicrobials. Here, we found that engineered anti-CRISPR (Acr) gene-containing phages (EATPs, eat Pseudomonas) display effective antibacterial activities along with high safety against clinically isolated MDR P. aeruginosa through an anti-CRISPR immunity mechanism in vitro and in vivo. EATPs also significantly suppressed the antibiotic resistance caused by a highly antibiotic-resistant PA14 infection, which may provide novel insight toward developing bacteriophages to treat patients with intractable bacterial infections, especially infections by clinically MDR bacteria that are unresponsive to conventional antibiotic therapy.
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Affiliation(s)
- Shugang Qin
- Department of Critical Care Medicine, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Yongan Liu
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuting Chen
- Department of Critical Care Medicine, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Jinrong Hu
- West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wen Xiao
- Department of Critical Care Medicine, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoshan Tang
- Department of Critical Care Medicine, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Guohong Li
- Department of Critical Care Medicine, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ping Lin
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Qinqin Pu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Qun Wu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Chuanmin Zhou
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Biao Wang
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Pan Gao
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Zhihan Wang
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Aixin Yan
- School of Biological Sciences, The University of Hong Kong, Shatin, Hong Kong SAR
| | - Khan Nadeem
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Zhenwei Xia
- Department of Pediatrics, Ruijin Hospital affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Wu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
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OGG1 Inhibition Reduces Acinar Cell Injury in a Mouse Model of Acute Pancreatitis. Biomedicines 2022; 10:biomedicines10102543. [PMID: 36289805 PMCID: PMC9599718 DOI: 10.3390/biomedicines10102543] [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: 09/21/2022] [Accepted: 10/08/2022] [Indexed: 11/16/2022] Open
Abstract
Acute pancreatitis (AP) is a potentially life-threatening gastrointestinal disease with a complex pathology including oxidative stress. Oxidative stress triggers oxidative DNA lesions such as formation of 7,8-dihydro-8-oxo-2′-oxoguanine (8-oxoG) and also causes DNA strand breaks. DNA breaks can activate the nuclear enzyme poly(ADP-ribose) polymerase 1 (PARP1) which contributes to AP pathology. 8-oxoG is recognized by 8-oxoG glycosylase 1 (OGG1) resulting in the removal of 8-oxoG from DNA as an initial step of base excision repair. Since OGG1 also possesses a DNA nicking activity, OGG1 activation may also trigger PARP1 activation. In the present study we investigated the role played by OGG1 in AP. We found that the OGG1 inhibitor compound TH5487 reduced edema formation, inflammatory cell migration and necrosis in a cerulein-induced AP model in mice. Moreover, TH5487 caused 8-oxoG accumulation and reduced tissue poly(ADP-ribose) levels. Consistent with the indirect PARP inhibitory effect, TH5487 shifted necrotic cell death (LDH release and Sytox green uptake) towards apoptosis (caspase activity) in isolated pancreatic acinar cells. In the in vivo AP model, TH5487 treatment suppressed the expression of various cytokine and chemokine mRNAs such as those of TNF, IL-1β, IL1ra, IL6, IL16, IL23, CSF, CCL2, CCL4, CCL12, IL10 and TREM as measured with a cytokine array and verified by RT-qPCR. As a potential mechanism underlying the transcriptional inhibitory effect of the OGG1 inhibitor we showed that while 8-oxoG accumulation in the DNA facilitates NF-κB binding to its consensus sequence, when OGG1 is inhibited, target site occupancy of NF-κB is impaired. In summary, OGG1 inhibition provides protection from tissue injury in AP and these effects are likely due to interference with the PARP1 and NF-κB activation pathways.
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Pseudomonas aeruginosa: pathogenesis, virulence factors, antibiotic resistance, interaction with host, technology advances and emerging therapeutics. Signal Transduct Target Ther 2022; 7:199. [PMID: 35752612 PMCID: PMC9233671 DOI: 10.1038/s41392-022-01056-1] [Citation(s) in RCA: 226] [Impact Index Per Article: 113.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 06/04/2022] [Accepted: 06/08/2022] [Indexed: 02/05/2023] Open
Abstract
Pseudomonas aeruginosa (P. aeruginosa) is a Gram-negative opportunistic pathogen that infects patients with cystic fibrosis, burn wounds, immunodeficiency, chronic obstructive pulmonary disorder (COPD), cancer, and severe infection requiring ventilation, such as COVID-19. P. aeruginosa is also a widely-used model bacterium for all biological areas. In addition to continued, intense efforts in understanding bacterial pathogenesis of P. aeruginosa including virulence factors (LPS, quorum sensing, two-component systems, 6 type secretion systems, outer membrane vesicles (OMVs), CRISPR-Cas and their regulation), rapid progress has been made in further studying host-pathogen interaction, particularly host immune networks involving autophagy, inflammasome, non-coding RNAs, cGAS, etc. Furthermore, numerous technologic advances, such as bioinformatics, metabolomics, scRNA-seq, nanoparticles, drug screening, and phage therapy, have been used to improve our understanding of P. aeruginosa pathogenesis and host defense. Nevertheless, much remains to be uncovered about interactions between P. aeruginosa and host immune responses, including mechanisms of drug resistance by known or unannotated bacterial virulence factors as well as mammalian cell signaling pathways. The widespread use of antibiotics and the slow development of effective antimicrobials present daunting challenges and necessitate new theoretical and practical platforms to screen and develop mechanism-tested novel drugs to treat intractable infections, especially those caused by multi-drug resistance strains. Benefited from has advancing in research tools and technology, dissecting this pathogen's feature has entered into molecular and mechanistic details as well as dynamic and holistic views. Herein, we comprehensively review the progress and discuss the current status of P. aeruginosa biophysical traits, behaviors, virulence factors, invasive regulators, and host defense patterns against its infection, which point out new directions for future investigation and add to the design of novel and/or alternative therapeutics to combat this clinically significant pathogen.
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Karsten S. Targeting the DNA repair enzymes MTH1 and OGG1 as a novel approach to treat inflammatory diseases. Basic Clin Pharmacol Toxicol 2022; 131:95-103. [PMID: 35708697 PMCID: PMC9545756 DOI: 10.1111/bcpt.13765] [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: 04/15/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 11/28/2022]
Abstract
Autoimmune diseases and acute inflammation like sepsis cause significant morbidity and disability globally, and new targeted therapies are urgently needed. DNA repair and reactive oxygen species (ROS) pathways have long been investigated as targets for cancer treatment, but their role in immunological research has been limited. In this MiniReview, we discuss the DNA repair enzymes MTH1 and OGG1 as targets to treat both T cell‐driven diseases and acute inflammation. The MiniReview is based on a PhD thesis where both enzymes were investigated with cell and animal models. For MTH1, we found that its inhibition selectively kills activated T cells without being toxic to resting cells or other tissues. MTH1 inhibition also had an alleviating role in disease models of psoriasis and multiple sclerosis. We further identified a novel MTH1lowROSlow phenotype among activated T cells. Regarding OGG1, we demonstrated a mechanism of action of the OGG1 inhibitor TH5487, which prevents the assembly of pro‐inflammatory transcription factors and mitigates acute airway infection in mouse models of pneumonia. Hence, we propose both enzymes to be promising novel targets to treat inflammation and suggest that redox and DNA repair pathways could be useful targets for future immunomodulating therapies.
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Affiliation(s)
- Stella Karsten
- Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden.,Department of Clinical Science, Intervention and Technology, CLINTEC, Karolinska Institute, Stockholm, Sweden.,Department of Oncology Pathology, SciLifeLab, Karolinska Institute, Stockholm, Sweden
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16
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Endothelial Dysfunction through Oxidatively Generated Epigenetic Mark in Respiratory Viral Infections. Cells 2021; 10:cells10113067. [PMID: 34831290 PMCID: PMC8623825 DOI: 10.3390/cells10113067] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/30/2021] [Accepted: 11/03/2021] [Indexed: 12/16/2022] Open
Abstract
The bronchial vascular endothelial network plays important roles in pulmonary pathology during respiratory viral infections, including respiratory syncytial virus (RSV), influenza A(H1N1) and importantly SARS-Cov-2. All of these infections can be severe and even lethal in patients with underlying risk factors.A major obstacle in disease prevention is the lack of appropriate efficacious vaccine(s) due to continuous changes in the encoding capacity of the viral genome, exuberant responsiveness of the host immune system and lack of effective antiviral drugs. Current management of these severe respiratory viral infections is limited to supportive clinical care. The primary cause of morbidity and mortality is respiratory failure, partially due to endothelial pulmonary complications, including edema. The latter is induced by the loss of alveolar epithelium integrity and by pathological changes in the endothelial vascular network that regulates blood flow, blood fluidity, exchange of fluids, electrolytes, various macromolecules and responses to signals triggered by oxygenation, and controls trafficking of leukocyte immune cells. This overview outlines the latest understanding of the implications of pulmonary vascular endothelium involvement in respiratory distress syndrome secondary to viral infections. In addition, the roles of infection-induced cytokines, growth factors, and epigenetic reprogramming in endothelial permeability, as well as emerging treatment options to decrease disease burden, are discussed.
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17
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Liu Y, Zhang C, Wang Z, Lin M, Wang J, Wu M. Pleiotropic roles of late embryogenesis abundant proteins of Deinococcus radiodurans against oxidation and desiccation. Comput Struct Biotechnol J 2021; 19:3407-3415. [PMID: 34188783 PMCID: PMC8213827 DOI: 10.1016/j.csbj.2021.05.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/30/2021] [Accepted: 05/30/2021] [Indexed: 11/30/2022] Open
Abstract
Deinococcus radiodurans, an important extremophile, possesses extraordinary stress tolerance ability against lethal and mutagenic effects of DNA-damaging agents, such as γ-rays, ultraviolet, oxidation, and desiccation. How global regulators of this bacterium function in response to oxidation and desiccation has been an intense topic as elucidating such mechanisms may help to facilitate some beneficial applications in agriculture or medicine. Particularly, a variety of functional proteins have been characterized for D. radiodurans' behaviors under abiotic stresses. Interestingly, a group of Late Embryogenesis Abundant proteins (LEAs) in D. radiodurans have been characterized both biochemically and physiologically, which are shown indispensable for stabilizing crucial metabolic enzymes in a chaperone-like manner and thereby maintaining the metal ion homeostasis under oxidation and desiccation. The rapid progress in understanding deinococcal LEA proteins has substantially extended their functions in both plants and animals. Herein, we discuss the latest studies of radiodurans LEA proteins ranging from the classification to structures to functions. Importantly, the harnessing of these proteins may have unlimited potential for biotechnology, engineering and disease treatments.
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Affiliation(s)
- Yingying Liu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58203-9037, USA
| | - Chen Zhang
- Laboratory of Microbiology, Wageningen University & Research, Wageningen 6708 WE, The Netherlands
| | - Zhihan Wang
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58203-9037, USA
| | - Min Lin
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jin Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Min Wu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58203-9037, USA
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18
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Choudhuri S, Chowdhury IH, Garg NJ. Mitochondrial Regulation of Macrophage Response Against Pathogens. Front Immunol 2021; 11:622602. [PMID: 33679710 PMCID: PMC7925834 DOI: 10.3389/fimmu.2020.622602] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/29/2020] [Indexed: 12/18/2022] Open
Abstract
Innate immune cells play the first line of defense against pathogens. Phagocytosis or invasion by pathogens can affect mitochondrial metabolism in macrophages by diverse mechanisms and shape the macrophage response (proinflammatory vs. immunomodulatory) against pathogens. Besides β-nicotinamide adenine dinucleotide 2'-phosphate, reduced (NADPH) oxidase, mitochondrial electron transport chain complexes release superoxide for direct killing of the pathogen. Mitochondria that are injured are removed by mitophagy, and this process can be critical for regulating macrophage activation. For example, impaired mitophagy can result in cytosolic leakage of mitochondrial DNA (mtDNA) that can lead to activation of cGAS-STING signaling pathway of macrophage proinflammatory response. In this review, we will discuss how metabolism, mtDNA, mitophagy, and cGAS-STING pathway shape the macrophage response to infectious agents.
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Affiliation(s)
- Subhadip Choudhuri
- Department of Microbiology and Immunology, University of Texas Medical Branch (UTMB), Galveston, TX, United States
| | - Imran Hussain Chowdhury
- Department of Microbiology and Immunology, University of Texas Medical Branch (UTMB), Galveston, TX, United States
| | - Nisha Jain Garg
- Department of Microbiology and Immunology, University of Texas Medical Branch (UTMB), Galveston, TX, United States
- Institute for Human Infections and Immunity, UTMB, Galveston, TX, United States
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Kant M, Tahara YK, Jaruga P, Coskun E, Lloyd RS, Kool ET, Dizdaroglu M. Inhibition by Tetrahydroquinoline Sulfonamide Derivatives of the Activity of Human 8-Oxoguanine DNA Glycosylase (OGG1) for Several Products of Oxidatively induced DNA Base Lesions. ACS Chem Biol 2021; 16:45-51. [PMID: 33331782 DOI: 10.1021/acschembio.0c00877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
DNA glycosylases involved in the first step of the DNA base excision repair pathway are promising targets in cancer therapy. There is evidence that reduction of their activities may enhance cell killing in malignant tumors. Recently, two tetrahydroquinoline compounds named SU0268 and SU0383 were reported to inhibit OGG1 for the excision of 8-hydroxyguanine. This DNA repair protein is one of the major cellular enzymes responsible for excision of a number of oxidatively induced lesions from DNA. In this work, we used gas chromatography-tandem mass spectrometry with isotope-dilution to measure the excision of not only 8-hydroxyguanine but also that of the other major substrate of OGG1, i.e., 2,6-diamino-4-hydroxy-5-formamidopyrimidine, using genomic DNA with multiple purine- and pyrimidine-derived lesions. The excision of a minor substrate 4,6-diamino-5-formamidopyrimidine was also measured. Both SU0268 and SU0383 efficiently inhibited OGG1 activity for these three lesions, with the former being more potent than the latter. Dependence of inhibition on concentrations of SU0268 and SU0383 from 0.05 μmol/L to 10 μmol/L was also demonstrated. The approach used in this work may be applied to the investigation of OGG1 inhibition by SU0268 and SU0383 and other small molecule inhibitors in further studies including cellular and animal models of disease.
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Affiliation(s)
- Melis Kant
- Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Yu-ki Tahara
- Department of Chemistry, ChEM-H Institute and Stanford Cancer Institute, Stanford University, Stanford, California 94305, United States
| | - Pawel Jaruga
- Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Erdem Coskun
- Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, Maryland 20850, United States
| | - R. Stephen Lloyd
- Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland, Oregon 97239, United States
| | - Eric T. Kool
- Department of Chemistry, ChEM-H Institute and Stanford Cancer Institute, Stanford University, Stanford, California 94305, United States
| | - Miral Dizdaroglu
- Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
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Zhang L, Misiara L, Samaranayake GJ, Sharma N, Nguyen DM, Tahara YK, Kool ET, Rai P. OGG1 co-inhibition antagonizes the tumor-inhibitory effects of targeting MTH1. Redox Biol 2021; 40:101848. [PMID: 33450725 PMCID: PMC7810763 DOI: 10.1016/j.redox.2020.101848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/10/2020] [Accepted: 12/22/2020] [Indexed: 12/30/2022] Open
Abstract
Cancer cells develop protective adaptations against oxidative DNA damage, providing a strong rationale for targeting DNA repair proteins. There has been a high degree of recent interest in inhibiting the mammalian Nudix pyrophosphatase MutT Homolog 1 (MTH1). MTH1 degrades 8-oxo-dGTP, thus limiting its incorporation into genomic DNA. MTH1 inhibition has variously been shown to induce genomic 8-oxo-dG elevation, genotoxic strand breaks in p53-functional cells, and tumor-inhibitory outcomes. Genomically incorporated 8-oxo-dG is excised by the base excision repair enzyme, 8-oxo-dG glycosylase 1 (OGG1). Thus, OGG1 inhibitors have been developed with the idea that their combination with MTH1 inhibitors will have anti-tumor effects by increasing genomic oxidative DNA damage. However, contradictory to this idea, we found that human lung adenocarcinoma with low OGG1 and MTH1 were robustly represented in patient datasets. Furthermore, OGG1 co-depletion mitigated the extent of DNA strand breaks and cellular senescence in MTH1-depleted p53-wildtype lung adenocarcinoma cells. Similarly, shMTH1-transduced cells were less sensitive to the OGG1 inhibitor, SU0268, than shGFP-transduced counterparts. Although the dual OGG1/MTH1 inhibitor, SU0383, induced greater cytotoxicity than equivalent combined or single doses of its parent scaffold MTH1 and OGG1 inhibitors, IACS-4759 and SU0268, this effect was only observed at the highest concentration assessed. Collectively, using both genetic depletion as well as small molecule inhibitors, our findings suggest that OGG1/MTH1 co-inhibition is unlikely to yield significant tumor-suppressive benefit. Instead such co-inhibition may exert tumor-protective effects by preventing base excision repair-induced DNA nicks and p53 induction, thus potentially conferring a survival advantage to the treated tumors. Low MTH1/low OGG1 tumors are robustly represented in patient lung adenocarcinoma datasets but low MTH1/high OGG1 are not. Co-depletion of OGG1 in lung adenocarcinoma cells mitigates shMTH1-induced DNA strand breaks and p53-induced senescence. p53-null tumor cells have lower OGG1 vs. wt p53 counterparts and are more resistant to MTH1 loss-induced anti-tumor effects. Pharmacologic co-inhibition of OGG1 and MTH1 does not enhance cytotoxicity over the respective single inhibitors.
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Affiliation(s)
- Ling Zhang
- Department of Radiation Oncology, University of Miami Medical School, FL 33136, USA
| | - Laura Misiara
- College of Arts and Sciences, University of Miami, FL 33146, USA
| | - Govindi J Samaranayake
- Sheila and David Fuente Graduate Program in Cancer Biology, University of Miami Medical School, FL 33136, USA
| | - Nisha Sharma
- College of Arts and Sciences, University of Miami, FL 33146, USA
| | - Dao M Nguyen
- Department of Surgery, University of Miami Medical School, FL 33136, USA; Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA
| | - Yu-Ki Tahara
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Eric T Kool
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Priyamvada Rai
- Department of Radiation Oncology, University of Miami Medical School, FL 33136, USA; Sylvester Comprehensive Cancer Center, Miami, FL 33136, USA.
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21
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Visnes T, Benítez-Buelga C, Cázares-Körner A, Sanjiv K, Hanna BMF, Mortusewicz O, Rajagopal V, Albers JJ, Hagey DW, Bekkhus T, Eshtad S, Baquero JM, Masuyer G, Wallner O, Müller S, Pham T, Göktürk C, Rasti A, Suman S, Torres-Ruiz R, Sarno A, Wiita E, Homan EJ, Karsten S, Marimuthu K, Michel M, Koolmeister T, Scobie M, Loseva O, Almlöf I, Unterlass JE, Pettke A, Boström J, Pandey M, Gad H, Herr P, Jemth AS, El Andaloussi S, Kalderén C, Rodriguez-Perales S, Benítez J, Krokan HE, Altun M, Stenmark P, Berglund UW, Helleday T. Targeting OGG1 arrests cancer cell proliferation by inducing replication stress. Nucleic Acids Res 2020; 48:12234-12251. [PMID: 33211885 PMCID: PMC7708037 DOI: 10.1093/nar/gkaa1048] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 10/15/2020] [Accepted: 10/28/2020] [Indexed: 12/17/2022] Open
Abstract
Altered oncogene expression in cancer cells causes loss of redox homeostasis resulting in oxidative DNA damage, e.g. 8-oxoguanine (8-oxoG), repaired by base excision repair (BER). PARP1 coordinates BER and relies on the upstream 8-oxoguanine-DNA glycosylase (OGG1) to recognise and excise 8-oxoG. Here we hypothesize that OGG1 may represent an attractive target to exploit reactive oxygen species (ROS) elevation in cancer. Although OGG1 depletion is well tolerated in non-transformed cells, we report here that OGG1 depletion obstructs A3 T-cell lymphoblastic acute leukemia growth in vitro and in vivo, validating OGG1 as a potential anti-cancer target. In line with this hypothesis, we show that OGG1 inhibitors (OGG1i) target a wide range of cancer cells, with a favourable therapeutic index compared to non-transformed cells. Mechanistically, OGG1i and shRNA depletion cause S-phase DNA damage, replication stress and proliferation arrest or cell death, representing a novel mechanistic approach to target cancer. This study adds OGG1 to the list of BER factors, e.g. PARP1, as potential targets for cancer treatment.
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Affiliation(s)
- Torkild Visnes
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden.,Department of Biotechnology and Nanomedicine, SINTEF Industry, N-7465 Trondheim,Norway
| | - Carlos Benítez-Buelga
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Armando Cázares-Körner
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Kumar Sanjiv
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Bishoy M F Hanna
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Oliver Mortusewicz
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Varshni Rajagopal
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Julian J Albers
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Daniel W Hagey
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tove Bekkhus
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Saeed Eshtad
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Juan Miguel Baquero
- Human Genetics Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Geoffrey Masuyer
- Department of Biochemistry and Biophysics, Stockholm University, SE-106 91 Stockholm, Sweden.,Department of Pharmacy and Pharmacology, Centre for Therapeutic Innovation. University of Bath, Bath BA2 7AY, UK
| | - Olov Wallner
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Sarah Müller
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Therese Pham
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Camilla Göktürk
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Azita Rasti
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Sharda Suman
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Raúl Torres-Ruiz
- Molecular Cytogenetics Group, Human Cancer Genetics Program, Spanish National Cancer Research Centre (CNIO), Madrid, 28029, Spain.,Josep Carreras Leukemia Research Institute and Department of Biomedicine, School of Medicine, University of Barcelona, Barcelona 08036, Spain
| | - Antonio Sarno
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway.,The Liaison Committee for Education, Research and Innovation in Central Norway, Trondheim, Norway.,Department of Environment and New Resources, SINTEF Ocean, N-7010 Trondheim, Norway
| | - Elisée Wiita
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Evert J Homan
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Stella Karsten
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Karthick Marimuthu
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Maurice Michel
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Tobias Koolmeister
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Martin Scobie
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Olga Loseva
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Ingrid Almlöf
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Judith Edda Unterlass
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Aleksandra Pettke
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Johan Boström
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden.,Science for Life Laboratory, Division of Clinical Physiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Monica Pandey
- Weston Park Cancer Centre, Department of Oncology and Metabolism, University of Sheffield, Sheffield S10 2RX, UK
| | - Helge Gad
- Weston Park Cancer Centre, Department of Oncology and Metabolism, University of Sheffield, Sheffield S10 2RX, UK
| | - Patrick Herr
- Weston Park Cancer Centre, Department of Oncology and Metabolism, University of Sheffield, Sheffield S10 2RX, UK
| | - Ann-Sofie Jemth
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | | | - Christina Kalderén
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Sandra Rodriguez-Perales
- Molecular Cytogenetics Group, Human Cancer Genetics Program, Spanish National Cancer Research Centre (CNIO), Madrid, 28029, Spain
| | - Javier Benítez
- Human Genetics Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain.,Spanish Network on Rare Diseases (CIBERER), Madrid, Spain
| | - Hans E Krokan
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway.,The Liaison Committee for Education, Research and Innovation in Central Norway, Trondheim, Norway
| | - Mikael Altun
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden.,Science for Life Laboratory, Division of Clinical Physiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Pål Stenmark
- Department of Biochemistry and Biophysics, Stockholm University, SE-106 91 Stockholm, Sweden.,Department of Experimental Medical Science, Lund University, SE-221 00 Lund, Sweden
| | - Ulrika Warpman Berglund
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Thomas Helleday
- Science for Life Laboratory, Department of Oncology and Pathology, Karolinska Institutet, S-171 76 Stockholm, Sweden.,Weston Park Cancer Centre, Department of Oncology and Metabolism, University of Sheffield, Sheffield S10 2RX, UK
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