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Muniesa-Vargas A, Davó-Martínez C, Ribeiro-Silva C, van der Woude M, Thijssen KL, Haspels B, Häckes D, Kaynak ÜU, Kanaar R, Marteijn JA, Theil AF, Kuijten MMP, Vermeulen W, Lans H. Persistent TFIIH binding to non-excised DNA damage causes cell and developmental failure. Nat Commun 2024; 15:3490. [PMID: 38664429 PMCID: PMC11045817 DOI: 10.1038/s41467-024-47935-9] [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: 04/22/2023] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Congenital nucleotide excision repair (NER) deficiency gives rise to several cancer-prone and/or progeroid disorders. It is not understood how defects in the same DNA repair pathway cause different disease features and severity. Here, we show that the absence of functional ERCC1-XPF or XPG endonucleases leads to stable and prolonged binding of the transcription/DNA repair factor TFIIH to DNA damage, which correlates with disease severity and induces senescence features in human cells. In vivo, in C. elegans, this prolonged TFIIH binding to non-excised DNA damage causes developmental arrest and neuronal dysfunction, in a manner dependent on transcription-coupled NER. NER factors XPA and TTDA both promote stable TFIIH DNA binding and their depletion therefore suppresses these severe phenotypical consequences. These results identify stalled NER intermediates as pathogenic to cell functionality and organismal development, which can in part explain why mutations in XPF or XPG cause different disease features than mutations in XPA or TTDA.
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Affiliation(s)
- Alba Muniesa-Vargas
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Carlota Davó-Martínez
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Cristina Ribeiro-Silva
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Melanie van der Woude
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Karen L Thijssen
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Ben Haspels
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Oncode Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - David Häckes
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Ülkem U Kaynak
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Roland Kanaar
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Oncode Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Jurgen A Marteijn
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Oncode Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Arjan F Theil
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Maayke M P Kuijten
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Oncode Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Wim Vermeulen
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
| | - Hannes Lans
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands.
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2
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Kuppa S, Corless E, Caldwell CC, Spies M, Antony E. Generation of site-specifically labelled fluorescent human XPA to investigate DNA binding dynamics during nucleotide excision repair. Methods 2024; 224:47-53. [PMID: 38387709 PMCID: PMC10960328 DOI: 10.1016/j.ymeth.2024.02.006] [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: 11/04/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024] Open
Abstract
Nucleotide excision repair (NER) promotes genomic integrity by removing bulky DNA adducts introduced by external factors such as ultraviolet light. Defects in NER enzymes are associated with pathological conditions such as Xeroderma Pigmentosum, trichothiodystrophy, and Cockayne syndrome. A critical step in NER is the binding of the Xeroderma Pigmentosum group A protein (XPA) to the ss/ds DNA junction. To better capture the dynamics of XPA interactions with DNA during NER we have utilized the fluorescence enhancement through non-canonical amino acids (FEncAA) approach. 4-azido-L-phenylalanine (4AZP or pAzF) was incorporated at Arg-158 in human XPA and conjugated to Cy3 using strain-promoted azide-alkyne cycloaddition. The resulting fluorescent XPA protein (XPACy3) shows no loss in DNA binding activity and generates a robust change in fluorescence upon binding to DNA. Here we describe methods to generate XPACy3 and detail in vitro experimental conditions required to stably maintain the protein during biochemical and biophysical studies.
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Affiliation(s)
- Sahiti Kuppa
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
| | - Elliot Corless
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
| | - Colleen C Caldwell
- Department of Biochemistry and Molecular Biology, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
| | - Maria Spies
- Department of Biochemistry and Molecular Biology, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
| | - Edwin Antony
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA.
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3
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Hill RJ, Bona N, Smink J, Webb HK, Crisp A, Garaycoechea JI, Crossan GP. p53 regulates diverse tissue-specific outcomes to endogenous DNA damage in mice. Nat Commun 2024; 15:2518. [PMID: 38514641 PMCID: PMC10957910 DOI: 10.1038/s41467-024-46844-1] [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: 06/02/2023] [Accepted: 03/08/2024] [Indexed: 03/23/2024] Open
Abstract
DNA repair deficiency can lead to segmental phenotypes in humans and mice, in which certain tissues lose homeostasis while others remain seemingly unaffected. This may be due to different tissues facing varying levels of damage or having different reliance on specific DNA repair pathways. However, we find that the cellular response to DNA damage determines different tissue-specific outcomes. Here, we use a mouse model of the human XPF-ERCC1 progeroid syndrome (XFE) caused by loss of DNA repair. We find that p53, a central regulator of the cellular response to DNA damage, regulates tissue dysfunction in Ercc1-/- mice in different ways. We show that ablation of p53 rescues the loss of hematopoietic stem cells, and has no effect on kidney, germ cell or brain dysfunction, but exacerbates liver pathology and polyploidisation. Mechanistically, we find that p53 ablation led to the loss of cell-cycle regulation in the liver, with reduced p21 expression. Eventually, p16/Cdkn2a expression is induced, serving as a fail-safe brake to proliferation in the absence of the p53-p21 axis. Taken together, our data show that distinct and tissue-specific functions of p53, in response to DNA damage, play a crucial role in regulating tissue-specific phenotypes.
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Affiliation(s)
- Ross J Hill
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Nazareno Bona
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Job Smink
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW), Utrecht, the Netherlands
| | - Hannah K Webb
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Alastair Crisp
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Juan I Garaycoechea
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW), Utrecht, the Netherlands.
| | - Gerry P Crossan
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK.
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4
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Hurst ZA, Liyanarachchi S, Brock P, He H, Nabhan F, Veloski C, Toland AE, Ringel MD, Jhiang SM. Presumed Pathogenic Germ Line and Somatic Variants in African American Thyroid Cancer. Thyroid 2024; 34:378-387. [PMID: 38062767 PMCID: PMC10951570 DOI: 10.1089/thy.2023.0487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Background: African American (AA) thyroid cancer patients have worse prognoses than European Americans (EA), which has been attributed to both health care disparities and possible genetic differences. We investigated the impact of both germ line and somatic variants on clinical outcome in a cohort of AA nonmedullary thyroid cancer (NMTC) patients who had received therapeutic intervention from cancer centers. Methods: Whole-exome sequencing was performed on DNA from available blood/normal tissues (N = 37) and paired tumor samples (N = 32) collected from 37 and 29 AA NMTC patients, respectively. Variants with Combined Annotation Depletion Dependent (CADD) score of ≥20 and VarSome Clinical classification of likely pathogenic or pathogenic were classified as presumed pathogenic germ line or somatic variants (PPGVs/PPSVs). PPGVs/PPSVs in cancer-related genes and PPGVs in cardiovascular risk genes were further investigated, and PPGVs/PPSVs associated with African (AFR) ancestry were identified. Results: Among 17 PPGVs identified in 16 cancer predisposition or known cancer-related genes, only WRN was previously known to associate with NMTC predisposition. Among PPSVs, BRAFV600E was most the prevalent and detected in 12 of the 29 (41%) tumors. Examining PPGVs/PPSVs among three patients who died from NMTC, one patient who died from papillary thyroid carcinoma/anaplastic thyroid carcinoma (PTC/ATC) led us to speculate that the PPGV ERCC4R799W may have increased the risk of PPSV TP53R273H acquisition. Among PPGVs identified in 18 cardiovascular risk genes, PPGVs in SC5NA, GYG1, CBS, CFTR, and SI are known to have causal and pathogenic implications in cardiovascular disease. Conclusion: In this cohort, most AA-NMTC patients exhibit favorable outcomes after therapeutic intervention given at cancer centers, suggesting that health care disparity is the major contributor for worse prognoses among AA-NMTC patients. Nevertheless, the clinical impact of PPGVs that might facilitate the acquisition of TP53 tumor mutations, and/or PPGVs that predispose individuals to adverse cardiovascular events, which could be exacerbated by therapy-induced cardiotoxicity, needs to be further explored. Integrated analysis of PPGV/PPSV profiles among NMTC patients with different stages of disease may help to identify NMTC patients who require close monitoring or proactive intervention.
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Affiliation(s)
- Zachary A. Hurst
- Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
- Department of Physiology and Cell Biology, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Sandya Liyanarachchi
- Department of Molecular Medicine and Therapeutics, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Pamela Brock
- Division of Human Genetics, Department of Internal Medicine, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Huiling He
- Department of Molecular Medicine and Therapeutics, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Fadi Nabhan
- Division of Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Colleen Veloski
- Department of Head and Neck-Endocrine Oncology, Moffitt Cancer Center, Tampa, Florida, USA
| | - Amanda E. Toland
- Division of Human Genetics, Department of Internal Medicine, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
- Department of Cancer Biology and Genetics, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Matthew D. Ringel
- Department of Molecular Medicine and Therapeutics, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
- Division of Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University College of Medicine and Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Sissy M. Jhiang
- Department of Physiology and Cell Biology, The Ohio State University College of Medicine, Columbus, Ohio, USA
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5
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Morledge-Hampton B, Kalyanaraman A, Wyrick JJ. Analysis of cytosine deamination events in excision repair sequencing reads reveals mechanisms of incision site selection in NER. Nucleic Acids Res 2024; 52:1720-1735. [PMID: 38109317 PMCID: PMC10899786 DOI: 10.1093/nar/gkad1195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 11/28/2023] [Accepted: 12/01/2023] [Indexed: 12/20/2023] Open
Abstract
Nucleotide excision repair (NER) removes helix-distorting DNA lesions and is therefore critical for genome stability. During NER, DNA is unwound on either side of the lesion and excised, but the rules governing incision site selection, particularly in eukaryotic cells, are unclear. Excision repair-sequencing (XR-seq) sequences excised NER fragments, but analysis has been limited because the lesion location is unknown. Here, we exploit accelerated cytosine deamination rates in UV-induced CPD (cyclobutane pyrimidine dimer) lesions to precisely map their locations at C to T mismatches in XR-seq reads, revealing general and species-specific patterns of incision site selection during NER. Our data indicate that the 5' incision site occurs preferentially in HYV (i.e. not G; C/T; not T) sequence motifs, a pattern that can be explained by sequence preferences of the XPF-ERCC1 endonuclease. In contrast, the 3' incision site does not show strong sequence preferences, once truncated reads arising from mispriming events are excluded. Instead, the 3' incision is partially determined by the 5' incision site distance, indicating that the two incision events are coupled. Finally, our data reveal unique and coupled NER incision patterns at nucleosome boundaries. These findings reveal key principles governing NER incision site selection in eukaryotic cells.
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Affiliation(s)
| | - Ananth Kalyanaraman
- School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA 99164, USA
| | - John J Wyrick
- School of Molecular Biosciences, Washington State University, Pullman, WA 99164, USA
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6
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Chen J, Potlapalli R, Quan H, Chen L, Xie Y, Pouriyeh S, Sakib N, Liu L, Xie Y. Exploring DNA Damage and Repair Mechanisms: A Review with Computational Insights. BIOTECH 2024; 13:3. [PMID: 38247733 PMCID: PMC10801582 DOI: 10.3390/biotech13010003] [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: 10/29/2023] [Revised: 11/21/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024] Open
Abstract
DNA damage is a critical factor contributing to genetic alterations, directly affecting human health, including developing diseases such as cancer and age-related disorders. DNA repair mechanisms play a pivotal role in safeguarding genetic integrity and preventing the onset of these ailments. Over the past decade, substantial progress and pivotal discoveries have been achieved in DNA damage and repair. This comprehensive review paper consolidates research efforts, focusing on DNA repair mechanisms, computational research methods, and associated databases. Our work is a valuable resource for scientists and researchers engaged in computational DNA research, offering the latest insights into DNA-related proteins, diseases, and cutting-edge methodologies. The review addresses key questions, including the major types of DNA damage, common DNA repair mechanisms, the availability of reliable databases for DNA damage and associated diseases, and the predominant computational research methods for enzymes involved in DNA damage and repair.
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Affiliation(s)
- Jiawei Chen
- College of Letter and Science, University of California, Berkeley, CA 94720, USA;
| | - Ravi Potlapalli
- College of Computing and Software Engineering, Kennesaw State University, Marietta, GA 30060, USA; (L.C.); (R.P.); (Y.X.); (S.P.); (N.S.)
| | - Heng Quan
- Department of Civil and Urban Engineering, New York University, New York, NY 11201, USA;
| | - Lingtao Chen
- College of Computing and Software Engineering, Kennesaw State University, Marietta, GA 30060, USA; (L.C.); (R.P.); (Y.X.); (S.P.); (N.S.)
| | - Ying Xie
- College of Computing and Software Engineering, Kennesaw State University, Marietta, GA 30060, USA; (L.C.); (R.P.); (Y.X.); (S.P.); (N.S.)
| | - Seyedamin Pouriyeh
- College of Computing and Software Engineering, Kennesaw State University, Marietta, GA 30060, USA; (L.C.); (R.P.); (Y.X.); (S.P.); (N.S.)
| | - Nazmus Sakib
- College of Computing and Software Engineering, Kennesaw State University, Marietta, GA 30060, USA; (L.C.); (R.P.); (Y.X.); (S.P.); (N.S.)
| | - Lichao Liu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Palo Alto, CA 94304, USA;
| | - Yixin Xie
- College of Computing and Software Engineering, Kennesaw State University, Marietta, GA 30060, USA; (L.C.); (R.P.); (Y.X.); (S.P.); (N.S.)
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7
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Theil AF, Häckes D, Lans H. TFIIH central activity in nucleotide excision repair to prevent disease. DNA Repair (Amst) 2023; 132:103568. [PMID: 37977600 DOI: 10.1016/j.dnarep.2023.103568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/22/2023] [Accepted: 09/03/2023] [Indexed: 11/19/2023]
Abstract
The heterodecameric transcription factor IIH (TFIIH) functions in multiple cellular processes, foremost in nucleotide excision repair (NER) and transcription initiation by RNA polymerase II. TFIIH is essential for life and hereditary mutations in TFIIH cause the devastating human syndromes xeroderma pigmentosum, Cockayne syndrome or trichothiodystrophy, or combinations of these. In NER, TFIIH binds to DNA after DNA damage is detected and, using its translocase and helicase subunits XPB and XPD, opens up the DNA and checks for the presence of DNA damage. This central activity leads to dual incision and removal of the DNA strand containing the damage, after which the resulting DNA gap is restored. In this review, we discuss new structural and mechanistic insights into the central function of TFIIH in NER. Moreover, we provide an elaborate overview of all currently known patients and diseases associated with inherited TFIIH mutations and describe how our understanding of TFIIH function in NER and transcription can explain the different disease features caused by TFIIH deficiency.
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Affiliation(s)
- Arjan F Theil
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD Rotterdam, the Netherlands
| | - David Häckes
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD Rotterdam, the Netherlands
| | - Hannes Lans
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD Rotterdam, the Netherlands.
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Chatzinikolaou G, Stratigi K, Siametis A, Goulielmaki E, Akalestou-Clocher A, Tsamardinos I, Topalis P, Austin C, Bouwman BA, Crosetto N, Altmüller J, Garinis GA. XPF interacts with TOP2B for R-loop processing and DNA looping on actively transcribed genes. SCIENCE ADVANCES 2023; 9:eadi2095. [PMID: 37939182 PMCID: PMC10631727 DOI: 10.1126/sciadv.adi2095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023]
Abstract
Co-transcriptional RNA-DNA hybrids can not only cause DNA damage threatening genome integrity but also regulate gene activity in a mechanism that remains unclear. Here, we show that the nucleotide excision repair factor XPF interacts with the insulator binding protein CTCF and the cohesin subunits SMC1A and SMC3, leading to R-loop-dependent DNA looping upon transcription activation. To facilitate R-loop processing, XPF interacts and recruits with TOP2B on active gene promoters, leading to double-strand break accumulation and the activation of a DNA damage response. Abrogation of TOP2B leads to the diminished recruitment of XPF, CTCF, and the cohesin subunits to promoters of actively transcribed genes and R-loops and the concurrent impairment of CTCF-mediated DNA looping. Together, our findings disclose an essential role for XPF with TOP2B and the CTCF/cohesin complex in R-loop processing for transcription activation with important ramifications for DNA repair-deficient syndromes associated with transcription-associated DNA damage.
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Affiliation(s)
- Georgia Chatzinikolaou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
| | - Kalliopi Stratigi
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
| | - Athanasios Siametis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
- Department of Biology, University of Crete, Heraklion, Crete, Greece
| | - Evi Goulielmaki
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
| | - Alexia Akalestou-Clocher
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
- Department of Biology, University of Crete, Heraklion, Crete, Greece
| | - Ioannis Tsamardinos
- Computer Science Department of University of Crete, Heraklion, Crete, Greece
| | - Pantelis Topalis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
| | - Caroline Austin
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
| | - Britta A. M. Bouwman
- Division of Microbiology, Tumor and Cell Biology, Karolinska Institutet and Science for Life Laboratory, Stockholm 17177, Sweden
| | - Nicola Crosetto
- Division of Microbiology, Tumor and Cell Biology, Karolinska Institutet and Science for Life Laboratory, Stockholm 17177, Sweden
- Human Technopole, Viale Rita Levi-Montalcini 1, 22157 Milan, Italy
| | - Janine Altmüller
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Institute of Health at Charité–Universitätsmedizin Berlin, Core Facility Genomics, Charitéplatz 1, 10117 Berlin, Germany
| | - George A. Garinis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology–Hellas, GR70013, Heraklion, Crete, Greece
- Department of Biology, University of Crete, Heraklion, Crete, Greece
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9
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Gershoni M, Braun T, Hauser R, Barda S, Lehavi O, Malcov M, Frumkin T, Kalma Y, Pietrokovski S, Arama E, Kleiman SE. A pathogenic variant in the uncharacterized RNF212B gene results in severe aneuploidy male infertility and repeated IVF failure. HGG ADVANCES 2023; 4:100189. [PMID: 37124137 PMCID: PMC10133878 DOI: 10.1016/j.xhgg.2023.100189] [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: 12/21/2022] [Accepted: 03/28/2023] [Indexed: 05/02/2023] Open
Abstract
Quantitative and qualitative spermatogenic impairments are major causes of men's infertility. Although in vitro fertilization (IVF) is effective, some couples persistently fail to conceive. To identify causal variants in patients with severe male infertility factor and repeated IVF failures, we sequenced the exome of two consanguineous family members who underwent several failed IVF cycles and were diagnosed with low sperm count and motility. We identified a rare homozygous nonsense mutation in a previously uncharacterized gene, RNF212B, as the causative variant. Recurrence was identified in another unrelated, infertile patient who also faced repeated failed IVF treatments. scRNA-seq demonstrated meiosis-specific expression of RNF212B. Sequence analysis located a protein domain known to be associated with aneuploidy, which can explain multiple IVF failures. Accordingly, FISH analysis revealed a high aneuploidy rate in the patients' sperm cells and their IVF embryos. Finally, inactivation of the Drosophila orthologs significantly reduced male fertility. Given that members of the evolutionary conserved RNF212 gene family are involved in meiotic recombination and crossover maturation, our findings indicate a critical role of RNF212B in meiosis, genome stability, and in human fertility. Since recombination is completely absent in Drosophila males, our findings may indicate an additional unrelated role for the RNF212-like paralogs in spermatogenesis.
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Affiliation(s)
- Moran Gershoni
- ARO-The Volcani Center Institute of Animal Science, Bet Dagan, Israel
- Corresponding author
| | - Tslil Braun
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Ron Hauser
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shimi Barda
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ofer Lehavi
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Mira Malcov
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tsvia Frumkin
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yael Kalma
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shmuel Pietrokovski
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
- Corresponding author
| | - Eli Arama
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
- Corresponding author
| | - Sandra E. Kleiman
- Racine IVF Unit and Male Fertility Clinic and Sperm Bank, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Corresponding author
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10
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Stafki SA, Turner J, Littel HR, Bruels CC, Truong D, Knirsch U, Stettner GM, Graf U, Berger W, Kinali M, Jungbluth H, Pacak CA, Hughes J, Mirchi A, Derksen A, Vincent-Delorme C, Theil AF, Bernard G, Ellis D, Fassihi H, Lehmann AR, Laugel V, Mohammed S, Kang PB. The Spectrum of MORC2-Related Disorders: A Potential Link to Cockayne Syndrome. Pediatr Neurol 2023; 141:79-86. [PMID: 36791574 PMCID: PMC10098370 DOI: 10.1016/j.pediatrneurol.2023.01.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/21/2022] [Accepted: 01/19/2023] [Indexed: 01/27/2023]
Abstract
BACKGROUND Cockayne syndrome (CS) is a DNA repair disorder primarily associated with pathogenic variants in ERCC6 and ERCC8. As in other Mendelian disorders, there are a number of genetically unsolved CS cases. METHODS We ascertained five individuals with monoallelic pathogenic variants in MORC2, previously associated with three dominantly inherited phenotypes: an axonal form of Charcot-Marie-Tooth disease type 2Z; a syndrome of developmental delay, impaired growth, dysmorphic facies, and axonal neuropathy; and a rare form of spinal muscular atrophy. RESULTS One of these individuals bore a strong phenotypic resemblance to CS. We then identified monoallelic pathogenic MORC2 variants in three of five genetically unsolved individuals with a clinical diagnosis of CS. In total, we identified eight individuals with MORC2-related disorder, four of whom had clinical features strongly suggestive of CS. CONCLUSIONS Our findings indicate that some forms of MORC2-related disorder have phenotypic similarities to CS, including features of accelerated aging. Unlike classic DNA repair disorders, MORC2-related disorder does not appear to be associated with a defect in transcription-coupled nucleotide excision repair and follows a dominant pattern of inheritance with variants typically arising de novo. Such de novo pathogenic variants present particular challenges with regard to both initial gene discovery and diagnostic evaluations. MORC2 should be included in diagnostic genetic test panels targeting the evaluation of microcephaly and/or suspected DNA repair disorders. Future studies of MORC2 and its protein product, coupled with further phenotypic characterization, will help to optimize the diagnosis, understanding, and therapy of the associated disorders.
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Affiliation(s)
- Seth A Stafki
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Johnnie Turner
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Hannah R Littel
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Christine C Bruels
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Don Truong
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Ursula Knirsch
- Neuromuscular Center Zürich and Department of Pediatric Neurology, University Children's Hospital Zürich, University of Zürich, Zürich, Switzerland
| | - Georg M Stettner
- Neuromuscular Center Zürich and Department of Pediatric Neurology, University Children's Hospital Zürich, University of Zürich, Zürich, Switzerland
| | - Urs Graf
- Institute of Medical Molecular Genetics (IMMG), University of Zürich, Zürich, Switzerland
| | - Wolfgang Berger
- Institute of Medical Molecular Genetics (IMMG), University of Zürich, Zürich, Switzerland; Neuroscience Center Zurich (NCZ), University and ETH Zürich, Zürich, Switzerland; Zürich Center for Integrative Human Physiology (ZIHP), University of Zürich, Zürich, Switzerland
| | - Maria Kinali
- Department of Brain Sciences, Imperial College London and Portland Hospital HCA International, London, United Kingdom
| | - Heinz Jungbluth
- Evelina Children's Hospital and King's College London, University of Manchester, London, United Kingdom
| | - Christina A Pacak
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota
| | - Jayne Hughes
- Amy and Friends Cockayne Syndrome/Trichothiodystrophy Support, Wirral, United Kingdom
| | - Amytice Mirchi
- Departments of Neurology and Neurosurgery and Pediatrics, McGill University, Montreal, Canada; Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Canada
| | - Alexa Derksen
- Departments of Neurology and Neurosurgery and Pediatrics, McGill University, Montreal, Canada; Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Canada
| | | | - Arjan F Theil
- Department of Molecular Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Geneviève Bernard
- Departments of Neurology and Neurosurgery and Pediatrics, McGill University, Montreal, Canada; Child Health and Human Development Program, Research Institute of the McGill University Health Center, Montreal, Canada; Department of Human Genetics, McGill University, Montreal, Canada; Division of Medical Genetics, Department Specialized Medicine, McGill University Health Center, Montreal, Canada
| | - David Ellis
- South East Genomics Laboratory Hub, Guy's Hospital, London, United Kingdom
| | - Hiva Fassihi
- St. John's Institute of Dermatology, Rare Disease Centre, Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom
| | - Alan R Lehmann
- Genome Damage and Stability Centre, University of Sussex, Brighton, United Kingdom
| | - Vincent Laugel
- Service de Pédiatrie 1, Hôpital de Hautepierre, Hôpitaux Universitaires de Strasbourg, Strasbourg, France; Laboratoire de Génétique médicale, INSERM U1112, Institut de génétique médicale d'Alsace, Faculté de Médecine de Strasbourg, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Shehla Mohammed
- South East Thames Regional Genetics Service and Rare Diseases Centre Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Peter B Kang
- Department of Neurology and Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota Medical School, Minneapolis, Minnesota; Institute for Translational Neuroscience, University of Minnesota, Minneapolis, Minnesota.
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11
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Zhao Y, Simon M, Seluanov A, Gorbunova V. DNA damage and repair in age-related inflammation. Nat Rev Immunol 2023; 23:75-89. [PMID: 35831609 PMCID: PMC10106081 DOI: 10.1038/s41577-022-00751-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2022] [Indexed: 02/07/2023]
Abstract
Genomic instability is an important driver of ageing. The accumulation of DNA damage is believed to contribute to ageing by inducing cell death, senescence and tissue dysfunction. However, emerging evidence shows that inflammation is another major consequence of DNA damage. Inflammation is a hallmark of ageing and the driver of multiple age-related diseases. Here, we review the evidence linking DNA damage, inflammation and ageing, highlighting how premature ageing syndromes are associated with inflammation. We discuss the mechanisms by which DNA damage induces inflammation, such as through activation of the cGAS-STING axis and NF-κB activation by ATM. The triggers for activation of these signalling cascades are the age-related accumulation of DNA damage, activation of transposons, cellular senescence and the accumulation of persistent R-loops. We also discuss how epigenetic changes triggered by DNA damage can lead to inflammation and ageing via redistribution of heterochromatin factors. Finally, we discuss potential interventions against age-related inflammation.
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Affiliation(s)
- Yang Zhao
- Department of Biology, University of Rochester, Rochester, NY, USA.,Department of Physiology, Zhejiang University School of Medicine, Hangzhou, China.,Department of Hepatobiliary and Pancreatic Surgery of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Matthew Simon
- Department of Biology, University of Rochester, Rochester, NY, USA
| | - Andrei Seluanov
- Department of Biology, University of Rochester, Rochester, NY, USA. .,Department of Medicine, University of Rochester, Rochester, NY, USA.
| | - Vera Gorbunova
- Department of Biology, University of Rochester, Rochester, NY, USA. .,Department of Medicine, University of Rochester, Rochester, NY, USA.
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12
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Wang G, Heij LR, Liu D, Dahl E, LANG SA, Ulmer TF, LUEDDE T, Neumann UP, Bednarsch J. The Role of Single-Nucleotide Polymorphisms in Cholangiocarcinoma: A Systematic Review. Cancers (Basel) 2022; 14:cancers14235969. [PMID: 36497451 PMCID: PMC9739277 DOI: 10.3390/cancers14235969] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
Single-nucleotide polymorphisms (SNPs) play an essential role in various malignancies, but their role in cholangiocarcinoma (CCA) remains to be elucidated. Therefore, the purpose of this systematic review was to evaluate the association between SNPs and CCA, focusing on tumorigenesis and prognosis. A systematic literature search was carried out using PubMed, Embase, Web of Science and the Cochrane database for the association between SNPs and CCA, including literature published between January 2000 and April 2022. This systematic review compiles 43 SNPs in 32 genes associated with CCA risk, metastatic progression and overall prognosis based on 34 studies. Susceptibility to CCA was associated with SNPs in genes related to inflammation (PTGS2/COX2, IL6, IFNG/IFN-γ, TNF/TNF-α), DNA repair (ERCC1, MTHFR, MUTYH, XRCC1, OGG1), detoxification (NAT1, NAT2 and ABCC2), enzymes (SERPINA1, GSTO1, APOBEC3A, APOBEC3B), RNA (HOTAIR) and membrane-based proteins (EGFR, GAB1, KLRK1/NKG2D). Overall oncological prognosis was also related to SNPs in eight genes (GNB3, NFE2L2/NRF2, GALNT14, EGFR, XRCC1, EZH2, GNAS, CXCR1). Our findings indicate that multiple SNPs play different roles at various stages of CCA and might serve as biomarkers guiding treatment and allowing oncological risk assessment. Considering the differences in SNP detection methods, patient ethnicity and corresponding environmental factors, more large-scale multicentric investigations are needed to fully determine the potential of SNP analysis for CCA susceptibility prediction and prognostication.
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Affiliation(s)
- Guanwu Wang
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Lara Rosaline Heij
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
- Institute of Pathology, University Hospital RWTH Aachen, 52074 Aachen, Germany
- NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, 6211 LK Maastricht, The Netherlands
- Department of Pathology, Erasmus Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Dong Liu
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Edgar Dahl
- Institute of Pathology, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Sven Arke LANG
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Tom Florian Ulmer
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Tom LUEDDE
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Heinrich Heine University Duesseldorf, 40225 Duesseldorf, Germany
| | - Ulf Peter Neumann
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
- Department of Surgery, Maastricht University Medical Center (MUMC), 6229 HX Maastricht, The Netherlands
| | - Jan Bednarsch
- Department of Surgery and Transplantation, University Hospital RWTH Aachen, 52074 Aachen, Germany
- Correspondence:
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13
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Huang J, Cook DE. The contribution of DNA repair pathways to genome editing and evolution in filamentous pathogens. FEMS Microbiol Rev 2022; 46:6638986. [PMID: 35810003 PMCID: PMC9779921 DOI: 10.1093/femsre/fuac035] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/29/2022] [Accepted: 07/06/2022] [Indexed: 01/09/2023] Open
Abstract
DNA double-strand breaks require repair or risk corrupting the language of life. To ensure genome integrity and viability, multiple DNA double-strand break repair pathways function in eukaryotes. Two such repair pathways, canonical non-homologous end joining and homologous recombination, have been extensively studied, while other pathways such as microhomology-mediated end joint and single-strand annealing, once thought to serve as back-ups, now appear to play a fundamental role in DNA repair. Here, we review the molecular details and hierarchy of these four DNA repair pathways, and where possible, a comparison for what is known between animal and fungal models. We address the factors contributing to break repair pathway choice, and aim to explore our understanding and knowledge gaps regarding mechanisms and regulation in filamentous pathogens. We additionally discuss how DNA double-strand break repair pathways influence genome engineering results, including unexpected mutation outcomes. Finally, we review the concept of biased genome evolution in filamentous pathogens, and provide a model, termed Biased Variation, that links DNA double-strand break repair pathways with properties of genome evolution. Despite our extensive knowledge for this universal process, there remain many unanswered questions, for which the answers may improve genome engineering and our understanding of genome evolution.
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Affiliation(s)
- Jun Huang
- Department of Plant Pathology, Kansas State University, 1712 Claflin Road, Throckmorton Hall, Manhattan, KS 66506, United States
| | - David E Cook
- Corresponding author: 1712 Claflin Road, 4004 Throckmorton Hall, Manhattan, KS 66502, United States. E-mail:
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14
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Akahori R, Takamori C, Wakasugi M, Matsunaga T. Mapping of the regions implicated in nuclear localization of multi-functional DNA repair endonuclease XPF-ERCC1. Genes Cells 2022; 27:356-367. [PMID: 35238109 DOI: 10.1111/gtc.12932] [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: 01/09/2022] [Revised: 02/27/2022] [Accepted: 02/27/2022] [Indexed: 12/01/2022]
Abstract
The structure-specific endonuclease XPF-ERCC1 is a multi-functional heterodimer that participates in a variety of DNA repair mechanisms for maintaining genome integrity. Both subunits contain C-terminal tandem helix-hairpin-helix (HhH2 ) domains, which are necessary for not only their dimerization but also enzymatic activity as well as protein stability. However, the interdependency of both subunits in their nuclear localization remains poorly understood. In this study, we have analyzed the region(s) that affects the subcellular localization of XPF and ERCC1 using various deletion mutants. We first identified the nuclear localization signal (NLS) in XPF, which was essential for its nuclear localization under the ERCC1-free condition, but dispensable in the presence of ERCC1 (probably as XPF-ERCC1 heterodimer). Interestingly, in the NLS-independent and ERCC1-dependent XPF nuclear localization, the physical interaction between XPF and ERCC1 via C-terminal HhH2 domains was not needed. Instead, the amino acid regions 311-469 of XPF and 216-260 of ERCC1 are required for the nuclear localization. Furthermore, we found that the 311-469 region of XPF interacts with ERCC1 in a co-immunoprecipitation assay. These results suggest that the nuclear localization of XPF-ERCC1 heterodimer is regulated at multiple levels in an interdependent manner.
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Affiliation(s)
- Ryo Akahori
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Chie Takamori
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Mitsuo Wakasugi
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Tsukasa Matsunaga
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
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15
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D'Souza A, Blee AM, Chazin WJ. Mechanism of action of nucleotide excision repair machinery. Biochem Soc Trans 2022; 50:375-386. [PMID: 35076656 PMCID: PMC9275815 DOI: 10.1042/bst20210246] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 11/08/2023]
Abstract
Nucleotide excision repair (NER) is a versatile DNA repair pathway essential for the removal of a broad spectrum of structurally diverse DNA lesions arising from a variety of sources, including UV irradiation and environmental toxins. Although the core factors and basic stages involved in NER have been identified, the mechanisms of the NER machinery are not well understood. This review summarizes our current understanding of the mechanisms and order of assembly in the core global genome (GG-NER) pathway.
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Affiliation(s)
- Areetha D'Souza
- Departments of Biochemistry and Chemistry, Center for Structural Biology, Vanderbilt University, Nashville, TN 37240-7917, U.S.A
| | - Alexandra M Blee
- Departments of Biochemistry and Chemistry, Center for Structural Biology, Vanderbilt University, Nashville, TN 37240-7917, U.S.A
| | - Walter J Chazin
- Departments of Biochemistry and Chemistry, Center for Structural Biology, Vanderbilt University, Nashville, TN 37240-7917, U.S.A
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16
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Hu H, Liu S, Chu A, Chen J, Xing C, Jing J. Comprehensive analysis of ceRNA network of ERCC4 in colorectal cancer. PeerJ 2022; 9:e12647. [PMID: 34993023 PMCID: PMC8679902 DOI: 10.7717/peerj.12647] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 11/26/2021] [Indexed: 12/12/2022] Open
Abstract
Objective ERCC4 is one of the most significant molecules of Nucleotide Excision Repair (NER), which has been researched due to its high expression in colorectal cancer (CRC). This study aimed to find out the ceRNA (competitive endogenous RNA) network of ERCC4 in CRC. Methods and Materials Pan cancer mRNA expression of ERCC4 was evaluated using TCGA database. The protein expression of ERCC4 was evaluated based on the Human Protein Atlas (HPA). We screened DElncRNAs and DEmiRNAs in two groups of ERCC4high and ERCC4low expression in CRC. Then a lncRNA-miRNA-ERCC4 regulatory network was constructed based on DElncRNAs and DEmiRNAs using Starbase database and visualized by Cytoscape software. Kaplan-Meier analysis was performed to evaluate the prognostic value of the ceRNA network. Further, RT-PCR was performed to validate the expression of the representative molecules in the ceRNA network in CRC and normal tissues. The relationship between drug sensitivity and these molecules were also evaluated using RNAactDrug database. Results ERCC4 was overexpressed in a variety of tumors at mRNA levels, including CRC. High expression of ERCC4 was also observed on protein level in CRC. A total of 1,885 DElncRNAs and 68 DEmiRNAs were identified from CRC samples in ERCC4high and ERCC4low expression groups. Predicted by the Starbase database, we got interacting miRNAs and lncRNAs of ERCC4 from the DEmiRNAs and DElncRNAs, and a lncRNA-miRNA-ERCC4 regulatory network was constructed. Kaplan-Meier survival curves results showed that miR-200c-3p (hazard ratio [HR] = 0.62, P = 0.032), MALAT1 (HR = 1.54, P = 0.016), and AC005520.2 (hazard ratio [HR] = 1.75, P = 0.002) were significantly associated with the prognosis of CRC. After validation by RT-PCR, we found that ERCC4 and MALAT1 were up-regulated in CRC compared with normal tissues, while miR-200c-3p was down-regulated. A strong negative correlation was observed between MALAT1 and miR-200c-3p. Drug sensitivity analysis showed that ERCC4, miR-200c and MALAT1 were all associated with Cisplatin. Conclusion We constructed a ceRNA network of ERCC4 in CRC, of which the MALAT1-miR-200c-3p-ERCC4 axis may be involved in the development, prognosis and chemotherapy sensitivity of CRC. These findings might provide novel clues and insights on the molecular mechanisms of ERCC4 and NER pathway in CRC.
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Affiliation(s)
- Huixin Hu
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, the First Hospital of China Medical University, Shenyang, China.,Department of Anorectal Surgery in Liaoning Province, the First Hospital of China Medical of China Medical University, Shenyang, China
| | - Songyi Liu
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, the First Hospital of China Medical University, Shenyang, China.,Department of Anorectal Surgery in Liaoning Province, the First Hospital of China Medical of China Medical University, Shenyang, China
| | - Aining Chu
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, the First Hospital of China Medical University, Shenyang, China
| | - Jing Chen
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, the First Hospital of China Medical University, Shenyang, China
| | - Chengzhong Xing
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, the First Hospital of China Medical University, Shenyang, China.,Department of Anorectal Surgery in Liaoning Province, the First Hospital of China Medical of China Medical University, Shenyang, China
| | - Jingjing Jing
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of Cancer Etiology and Prevention in Liaoning Education Department, the First Hospital of China Medical University, Shenyang, China.,Key Laboratory of GI Cancer Etiology and Prevention in Liaoning Province, the First Hospital of China Medical University, Shenyang, China
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17
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Emelyanova M, Pokataev I, Shashkov I, Kopantseva E, Lyadov V, Heydarov R, Mikhailovich V. TYMS 3'-UTR Polymorphism: A Novel Association with FOLFIRINOX-Induced Neurotoxicity in Pancreatic Cancer Patients. Pharmaceutics 2021; 14:pharmaceutics14010077. [PMID: 35056973 PMCID: PMC8779442 DOI: 10.3390/pharmaceutics14010077] [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: 11/10/2021] [Revised: 12/17/2021] [Accepted: 12/25/2021] [Indexed: 11/16/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a highly fatal malignancy that has the worst 5-year survival rate of all of the common malignant tumors. Surgery, chemotherapy, and/or chemoradiation remain the main tactics for PDAC treatment. The efficacy of chemotherapy is often compromised because of the substantial risk of severe toxicities. In our study, we focused on identification of polymorphisms in the genes involved in drug metabolism, DNA repair and replication that are associated with inter-individual differences in drug-induced toxicities. Using the microarray, we genotyped 12 polymorphisms in the DPYD, XPC, GSTP1, MTHFR, ERCC1, UGT1A1, and TYMS genes in 78 PDAC patients treated with FOLFIRINOX. It was found that the TYMS rs11280056 polymorphism (6 bp-deletion in TYMS 3'-UTR) predicted grade 1-2 neurotoxicity (p = 0.0072 and p = 0.0019, according to co-dominant (CDM) and recessive model (RM), respectively). It is the first report on the association between TYMS rs11280056 and peripheral neuropathy. We also found that PDAC patients carrying the GSTP1 rs1695 GG genotype had a decreased risk for grade 3-4 hematological toxicity as compared to those with the AA or AG genotypes (p = 0.032 and p = 0.014, CDM and RM, respectively). Due to relatively high p-values, we consider that the impact of GSTP1 rs1695 requires further investigation in a larger sample size.
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Affiliation(s)
- Marina Emelyanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (M.E.); (I.S.); (E.K.); (R.H.)
| | - Ilya Pokataev
- Department of Oncology, Moscow Clinical Oncology Hospital No.1, Moscow City Health Department, 105005 Moscow, Russia; (I.P.); (V.L.)
| | - Igor Shashkov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (M.E.); (I.S.); (E.K.); (R.H.)
- Federal Research Centre ‘Fundamentals of Biotechnology’, Russian Academy of Sciences, 119071 Moscow, Russia
| | - Elena Kopantseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (M.E.); (I.S.); (E.K.); (R.H.)
| | - Vladimir Lyadov
- Department of Oncology, Moscow Clinical Oncology Hospital No.1, Moscow City Health Department, 105005 Moscow, Russia; (I.P.); (V.L.)
- Department of Oncology and Palliative Medicine, Russian Medical Academy of Continuous Professional Education, 123242 Moscow, Russia
- Department of Oncology, Novokuznetsk State Institute for Continuous Medical Education, 654005 Novokuznetsk, Russia
| | - Rustam Heydarov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (M.E.); (I.S.); (E.K.); (R.H.)
| | - Vladimir Mikhailovich
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia; (M.E.); (I.S.); (E.K.); (R.H.)
- Correspondence: or ; Tel./Fax: +7-499-1351177
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18
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DNA Repair in Haploid Context. Int J Mol Sci 2021; 22:ijms222212418. [PMID: 34830299 PMCID: PMC8620282 DOI: 10.3390/ijms222212418] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/08/2021] [Accepted: 11/14/2021] [Indexed: 12/15/2022] Open
Abstract
DNA repair is a well-covered topic as alteration of genetic integrity underlies many pathological conditions and important transgenerational consequences. Surprisingly, the ploidy status is rarely considered although the presence of homologous chromosomes dramatically impacts the repair capacities of cells. This is especially important for the haploid gametes as they must transfer genetic information to the offspring. An understanding of the different mechanisms monitoring genetic integrity in this context is, therefore, essential as differences in repair pathways exist that differentiate the gamete’s role in transgenerational inheritance. Hence, the oocyte must have the most reliable repair capacity while sperm, produced in large numbers and from many differentiation steps, are expected to carry de novo variations. This review describes the main DNA repair pathways with a special emphasis on ploidy. Differences between Saccharomyces cerevisiae and Schizosaccharomyces pombe are especially useful to this aim as they can maintain a diploid and haploid life cycle respectively.
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19
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Oishi T, Sasaki Y, Tong Y, Chen L, Onodera T, Iwasa S, Udo E, Furusato B, Fujimori H, Imamichi S, Honda T, Bessho T, Fukuoka J, Ashizawa K, Yanagihara K, Nakao K, Yamada Y, Hiraoka N, Masutani M. A newly established monoclonal antibody against ERCC1 detects major isoforms of ERCC1 in gastric cancer. Glob Health Med 2021; 3:226-235. [PMID: 34532603 DOI: 10.35772/ghm.2021.01001] [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: 01/10/2021] [Revised: 04/25/2021] [Accepted: 05/10/2021] [Indexed: 11/08/2022]
Abstract
Identifying patients resistant to cisplatin treatment is expected to improve cisplatin-based chemotherapy for various types of cancers. Excision repair cross-complementing group 1 (ERCC1) is involved in several repair processes of cisplatin-induced DNA crosslinks. ERCC1 overexpression is reported as a candidate prognostic factor and considered to cause cisplatin resistance in major solid cancers. However, anti-ERCC1 antibodies capable of evaluating expression levels of ERCC1 in clinical specimens were not fully optimized. A mouse monoclonal antibody against human ERCC1 was generated in this study. The developed antibody 9D11 specifically detected isoforms of 201, 202, 203 but not 204, which lacks the exon 3 coding region. To evaluate the diagnostic usefulness of this antibody, we have focused on gastric cancer because it is one of the major cancers in Japan. When ERCC1 expression was analyzed in seventeen kinds of human gastric cancer cell lines, all the cell lines were found to express either 201, 202, and/or 203 as major isoforms of ERCC1, but not 204 by Western blotting analysis. Immunohistochemical staining showed that ERCC1 protein was exclusively detected in nuclei of the cells and a moderate level of constant positivity was observed in nuclei of vascular endothelial cells. It showed a clear staining pattern in clinical specimens of gastric cancers. Antibody 9D11 may thus be useful for estimating expression levels of ERCC1 in clinical specimens.
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Affiliation(s)
- Takayuki Oishi
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Laboratory of Collaborative Research, Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan.,Department of Gastroenterology and Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Frontier Life Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuka Sasaki
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Laboratory of Collaborative Research, Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan.,Department of Frontier Life Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Ying Tong
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Lichao Chen
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Frontier Life Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takae Onodera
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Laboratory of Collaborative Research, Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan.,Department of Frontier Life Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Satoru Iwasa
- Gastrointestinal Medical Oncology Division, National Cancer Center Hospital, Tokyo, Japan
| | - Emiko Udo
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Cancer Genomics Unit, Clinical Genomics Center, Nagasaki University Hospital, Nagasaki, Japan
| | - Bungo Furusato
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Cancer Genomics Unit, Clinical Genomics Center, Nagasaki University Hospital, Nagasaki, Japan
| | - Hiroaki Fujimori
- Department of Frontier Life Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shoji Imamichi
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Laboratory of Collaborative Research, Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan
| | - Takuya Honda
- Department of Gastroenterology and Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Clinical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tadayoshi Bessho
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Junya Fukuoka
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuto Ashizawa
- Cancer Genomics Unit, Clinical Genomics Center, Nagasaki University Hospital, Nagasaki, Japan.,Department of Clinical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuyoshi Yanagihara
- Division of Biomarker Discovery, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Tokyo, Japan
| | - Kazuhiko Nakao
- Department of Gastroenterology and Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasuhide Yamada
- Department of Medical Oncology, Hamamatsu University School of Medicine, Hamamatsu, Japan.,Comprehensive Cancer Center, Center Hospital of the National Center for Global Health and Medicine, Tokyo, Japan
| | - Nobuyoshi Hiraoka
- Division of Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Mitsuko Masutani
- Department of Molecular and Genomic Biomedicine, Center for Bioinformatics and Molecular Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Laboratory of Collaborative Research, Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan.,Department of Frontier Life Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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20
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Feltes BC. Every protagonist has a sidekick: Structural aspects of human xeroderma pigmentosum-binding proteins in nucleotide excision repair. Protein Sci 2021; 30:2187-2205. [PMID: 34420242 DOI: 10.1002/pro.4173] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/13/2021] [Accepted: 08/17/2021] [Indexed: 12/30/2022]
Abstract
The seven xeroderma pigmentosum proteins (XPps), XPA-XPG, coordinate the nucleotide excision repair (NER) pathway, promoting the excision of DNA lesions caused by exposition to ionizing radiation, majorly from ultraviolet light. Significant efforts are made to investigate NER since mutations in any of the seven XPps may cause the xeroderma pigmentosum and trichothiodystrophy diseases. However, these proteins collaborate with other pivotal players in all known NER steps to accurately exert their purposes. Therefore, in the old and ever-evolving field of DNA repair, it is imperative to reexamine and describe their structures to understand NER properly. This work provides an up-to-date review of the protein structural aspects of the closest partners that directly interact and influence XPps: RAD23B, CETN2, DDB1, RPA (RPA70, 32, and 14), p8 (GTF2H5), and ERCC1. Structurally and functionally vital domains, regions, and critical residues are reexamined, providing structural lessons and perspectives about these indispensable proteins in the NER and other DNA repair pathways. By gathering all data related to the major human xeroderma pigmentosum-interacting proteins, this review will aid newcomers on the subject and guide structural and functional future studies.
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Affiliation(s)
- Bruno César Feltes
- Department of Theoretical Informatics, Institute of Informatics, Department of Theoretical Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
- Department of Genetics, Institute of Bioscience, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
- Department of Biophysics, Institute of Bioscience, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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21
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Xiao M, Cui S, Zhang L, Yu T, Zhang G, Li L, Cai Y, Jin C, Yang J, Wu S, Li Q, Lu X. Benzo[a]pyrene diol epoxide-induced transformed cells identify the significance of hsa_circ_0051488, a ERCC1-derived circular RNA in pulmonary squamous cell carcinoma. Mol Carcinog 2021; 60:684-701. [PMID: 34320692 DOI: 10.1002/mc.23335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/20/2021] [Accepted: 07/14/2021] [Indexed: 11/07/2022]
Abstract
ERCC1 is a gene for repairing DNA damage whose function is related to carcinogenic-induced tumorigenesis and the effectiveness of platinum therapies. Circular RNAs (circRNAs) are products of posttranscriptional regulation with pleiotropic effects on the pathogenesis of lung cancer. We aim to identify that specific circRNAs derived from ERCC1 can regulate key biological processes involved in the development of lung cancer. We performed bioinformatics analysis, in vitro experiments, and analyzed clinical samples, to determine the biological features of a certain ERCC1-derived circRNA termed as hsa_circ_0051488 in benzo[a]pyrene diol epoxide-induced malignant transformed cell and lung cancer cell. The well-established model of transformed cells provided an ideal platform for analyzing the molecular characteristics of this circRNA in the malignant transformation of lung epithelial cell, which supports that hsa_circ_0051488 functions in the onset and growth of lung squamous cell carcinoma (LUSC). Further analysis indicates that the absence of hsa_circ_0051488 promoted the proliferation of cells with the malignant phenotype. Extensive experiments confirm that hsa_circ_0051488 is present in the cytoplasm and functioned as a competing endogenous RNA. In particular, hsa_circ_0051488 binds to mir-6717-5p, thereby modulating the expression of SATB2 gene, a lung cancer suppressor. Furthermore, our in silico experiments indicate that SATB2 can inhibit multiple tumor pathways and its expression positively correlated with the tumor suppressor gene CRMP1. These findings suggest a possible regulatory mechanism of hsa_circ_0051488 in LUSC, and that the newly discovered hsa_circ_0051488/miR-6717-5p/SATB2 axis may be a potential route for therapeutic intervention of LUSC.
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Affiliation(s)
- Mingyang Xiao
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Su Cui
- Department of Thoracic Surgery Ward 2, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Liang Zhang
- Department of Thoracic Surgery, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, China
| | - Tao Yu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Guopei Zhang
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Liuli Li
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Yuan Cai
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Cuihong Jin
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Jinghua Yang
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Shengwen Wu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
| | - Qingchang Li
- Department of Pathology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning, China
| | - Xiaobo Lu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, China
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22
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Nabouli I, Chikhaoui A, Othman H, Elouej S, Jones M, Lagarde A, Rekaya MB, Messaoud O, Zghal M, Delague V, Levy N, De Sandre-Giovannoli A, Abdelhak S, Yacoub-Youssef H. Case Report: Identification of Novel Variants in ERCC4 and DDB2 Genes in Two Tunisian Patients With Atypical Xeroderma Pigmentosum Phenotype. Front Genet 2021; 12:650639. [PMID: 34135938 PMCID: PMC8203331 DOI: 10.3389/fgene.2021.650639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 04/29/2021] [Indexed: 11/13/2022] Open
Abstract
Xeroderma Pigmentosum (XP) is a rare genetic disorder affecting the nucleotide excision repair system (NER). It is characterized by an extreme sensitivity to sunlight that induces cutaneous disorders such as severe sunburn, freckling and cancers. In Tunisia, six complementation groups have been already identified. However, the genetic etiology remains unknown for several patients. In this study, we investigated clinical characteristics and genetic defects in two families with atypical phenotypes originating from the central region in Tunisia. Clinical investigation revealed mild cutaneous features in two patients who develop multiple skin cancers at later ages, with no neurological disorders. Targeted gene sequencing revealed that they carried novel variants. A homozygous variation in the ERCC4 gene c.1762G>T, p.V588F, detected in patient XP21. As for patient XP134, he carried two homozygous mutations in the DDB2 gene c.613T>C, p.C205R and c.618C>A, p.S206R. Structural modeling of the protein predicted the identified ERCC4 variant to mildly affect protein stability without affecting its functional domains. As for the case of DDB2 double mutant, the second variation seems to cause a mild effect on the protein structure unlike the first variation which does not seem to have an effect on it. This study contributes to further characterize the mutation spectrum of XP in Tunisian families. Targeted gene sequencing accelerated the identification of rare unexpected genetic defects for diagnostic testing and genetic counseling.
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Affiliation(s)
- Imen Nabouli
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia
| | - Asma Chikhaoui
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia
| | - Houcemeddine Othman
- Faculty of Health Sciences, Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
| | - Sahar Elouej
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia.,Aix Marseille Univ, INSERM, MMG, U1251, Marseille, France
| | - Meriem Jones
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia.,Service de dermatologie, Hôpital Charles Nicolle, Tunis, Tunisia
| | - Arnaud Lagarde
- Aix Marseille Univ, INSERM, MMG, U1251, Marseille, France
| | - Meriem Ben Rekaya
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia
| | - Olfa Messaoud
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia
| | - Mohamed Zghal
- Service de dermatologie, Hôpital Charles Nicolle, Tunis, Tunisia
| | | | - Nicolas Levy
- Aix Marseille Univ, INSERM, MMG, U1251, Marseille, France.,Departement of Medical Genetics, Assistance Publique Hôpitaux de Marseille, La Timone Children's Hospital, Marseille, France
| | - Annachiara De Sandre-Giovannoli
- Aix Marseille Univ, INSERM, MMG, U1251, Marseille, France.,Biological Resource Center (CRB-TAC), Assistance Publique Hôpitaux de Marseille, La Timone Children's Hospital, Marseille, France
| | - Sonia Abdelhak
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia
| | - Houda Yacoub-Youssef
- Laboratoire de Génomique Biomédicale et Oncogénétique, Institut Pasteur de Tunis, LR16IPT05, Université Tunis ElManar, Tunis, Tunisia
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23
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Chauhan AK, Sun Y, Zhu Q, Wani AA. Timely upstream events regulating nucleotide excision repair by ubiquitin-proteasome system: ubiquitin guides the way. DNA Repair (Amst) 2021; 103:103128. [PMID: 33991872 DOI: 10.1016/j.dnarep.2021.103128] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/15/2021] [Accepted: 05/04/2021] [Indexed: 12/11/2022]
Abstract
The ubiquitin-proteasome system (UPS) plays crucial roles in regulation of multiple DNA repair pathways, including nucleotide excision repair (NER), which eliminates a broad variety of helix-distorting DNA lesions that can otherwise cause deleterious mutations and genomic instability. In mammalian NER, DNA damage sensors, DDB and XPC acting in global genomic NER (GG-NER), and, CSB and RNAPII acting in transcription-coupled NER (TC-NER) sub-pathways, undergo an array of post-translational ubiquitination at the DNA lesion sites. Accumulating evidence indicates that ubiquitination orchestrates the productive assembly of NER preincision complex by driving well-timed compositional changes in DNA damage-assembled sensor complexes. Conversely, the deubiquitination is also intimately involved in regulating the damage sensing aftermath, via removal of degradative ubiquitin modification on XPC and CSB to prevent their proteolysis for the factor recycling. This review summaries the relevant research efforts and latest findings in our understanding of ubiquitin-mediated regulation of NER and active participation by new regulators of NER, e.g., Cullin-Ring ubiquitin ligases (CRLs), ubiquitin-specific proteases (USPs) and ubiquitin-dependent segregase, valosin-containing protein (VCP)/p97. We project hypothetical step-by-step models in which VCP/p97-mediated timely extraction of damage sensors is integral to overall productive NER. The USPs and proteasome subtly counteract in fine-tuning the vital stability and function of NER damage sensors.
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Affiliation(s)
- Anil K Chauhan
- Department of Radiology, The Ohio State University, Columbus, OH, 43210, United States
| | - Yingming Sun
- Department of Radiology, The Ohio State University, Columbus, OH, 43210, United States
| | - Qianzheng Zhu
- Department of Radiology, The Ohio State University, Columbus, OH, 43210, United States.
| | - Altaf A Wani
- Department of Radiology, The Ohio State University, Columbus, OH, 43210, United States; Department of Molecular and Cellular Biochemistry, The Ohio State University, Columbus, OH, 43210, United States; James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH, 43210, United States.
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24
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Barve A, Galande AA, Ghaskadbi SS, Ghaskadbi S. DNA Repair Repertoire of the Enigmatic Hydra. Front Genet 2021; 12:670695. [PMID: 33995496 PMCID: PMC8117345 DOI: 10.3389/fgene.2021.670695] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/12/2021] [Indexed: 12/20/2022] Open
Abstract
Since its discovery by Abraham Trembley in 1744, hydra has been a popular research organism. Features like spectacular regeneration capacity, peculiar tissue dynamics, continuous pattern formation, unique evolutionary position, and an apparent lack of organismal senescence make hydra an intriguing animal to study. While a large body of work has taken place, particularly in the domain of evolutionary developmental biology of hydra, in recent years, the focus has shifted to molecular mechanisms underlying various phenomena. DNA repair is a fundamental cellular process that helps to maintain integrity of the genome through multiple repair pathways found across taxa, from archaea to higher animals. DNA repair capacity and senescence are known to be closely associated, with mutations in several repair pathways leading to premature ageing phenotypes. Analysis of DNA repair in an animal like hydra could offer clues into several aspects including hydra’s purported lack of organismal ageing, evolution of DNA repair systems in metazoa, and alternative functions of repair proteins. We review here the different DNA repair mechanisms known so far in hydra. Hydra genes from various DNA repair pathways show very high similarity with their vertebrate orthologues, indicating conservation at the level of sequence, structure, and function. Notably, most hydra repair genes are more similar to deuterostome counterparts than to common model invertebrates, hinting at ancient evolutionary origins of repair pathways and further highlighting the relevance of organisms like hydra as model systems. It appears that hydra has the full repertoire of DNA repair pathways, which are employed in stress as well as normal physiological conditions and may have a link with its observed lack of senescence. The close correspondence of hydra repair genes with higher vertebrates further demonstrates the need for deeper studies of various repair components, their interconnections, and functions in this early metazoan.
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Affiliation(s)
- Apurva Barve
- Developmental Biology Group, MACS-Agharkar Research Institute, Pune, India.,Centre of Excellence in Science and Mathematics Education, Indian Institute of Science Education and Research (IISER), Pune, India
| | - Alisha A Galande
- Developmental Biology Group, MACS-Agharkar Research Institute, Pune, India
| | - Saroj S Ghaskadbi
- Department of Zoology, Savitribai Phule Pune University, Pune, India
| | - Surendra Ghaskadbi
- Developmental Biology Group, MACS-Agharkar Research Institute, Pune, India
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25
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Apelt K, White SM, Kim HS, Yeo JE, Kragten A, Wondergem AP, Rooimans MA, González-Prieto R, Wiegant WW, Lunke S, Flanagan D, Pantaleo S, Quinlan C, Hardikar W, van Attikum H, Vertegaal AC, Wilson BT, Wolthuis RM, Schärer OD, Luijsterburg MS. ERCC1 mutations impede DNA damage repair and cause liver and kidney dysfunction in patients. J Exp Med 2021; 218:e20200622. [PMID: 33315086 PMCID: PMC7927433 DOI: 10.1084/jem.20200622] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 09/25/2020] [Accepted: 10/15/2020] [Indexed: 12/12/2022] Open
Abstract
ERCC1-XPF is a multifunctional endonuclease involved in nucleotide excision repair (NER), interstrand cross-link (ICL) repair, and DNA double-strand break (DSB) repair. Only two patients with bi-allelic ERCC1 mutations have been reported, both of whom had features of Cockayne syndrome and died in infancy. Here, we describe two siblings with bi-allelic ERCC1 mutations in their teenage years. Genomic sequencing identified a deletion and a missense variant (R156W) within ERCC1 that disrupts a salt bridge below the XPA-binding pocket. Patient-derived fibroblasts and knock-in epithelial cells carrying the R156W substitution show dramatically reduced protein levels of ERCC1 and XPF. Moreover, mutant ERCC1 weakly interacts with NER and ICL repair proteins, resulting in diminished recruitment to DNA damage. Consequently, patient cells show strongly reduced NER activity and increased chromosome breakage induced by DNA cross-linkers, while DSB repair was relatively normal. We report a new case of ERCC1 deficiency that severely affects NER and considerably impacts ICL repair, which together result in a unique phenotype combining short stature, photosensitivity, and progressive liver and kidney dysfunction.
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Affiliation(s)
- Katja Apelt
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | - Susan M. White
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Australia
| | - Hyun Suk Kim
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
| | - Jung-Eun Yeo
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
| | - Angela Kragten
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | | | - Martin A. Rooimans
- Section of Oncogenetics, Department of Clinical Genetics, Vrije Universiteit Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Román González-Prieto
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Wouter W. Wiegant
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | - Sebastian Lunke
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
- Department of Pathology, University of Melbourne, Parkville, Australia
| | - Daniel Flanagan
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
| | - Sarah Pantaleo
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
| | - Catherine Quinlan
- Department of Paediatrics, University of Melbourne, Parkville, Australia
- Department of Nephrology, Royal Children’s Hospital, Melbourne, Australia
- Department of Kidney Regeneration, Murdoch Children’s Research Institute, Melbourne, Australia
| | - Winita Hardikar
- Department of Paediatrics, University of Melbourne, Parkville, Australia
- Department of Gastroenterology, Royal Children's Hospital, Melbourne, Victoria, Australia
- Murdoch Children’s Research Institute, Parkville, Australia
| | - Haico van Attikum
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | - Alfred C.O. Vertegaal
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Brian T. Wilson
- Institute of Genetic Medicine, Newcastle University, International Centre for Life, Newcastle upon Tyne, UK
- Northern Genetics Service, Newcastle upon Tyne Hospitals National Health Service Foundation Trust, International Centre for Life, Newcastle upon Tyne, UK
- Department of Clinical Genetics, Great Ormond Street Hospital, London, UK
| | - Rob M.F. Wolthuis
- Section of Oncogenetics, Department of Clinical Genetics, Vrije Universiteit Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Orlando D. Schärer
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
- Department of Biological Sciences, School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
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26
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Tissue-Specific DNA Repair Activity of ERCC-1/XPF-1. Cell Rep 2021; 34:108608. [PMID: 33440146 DOI: 10.1016/j.celrep.2020.108608] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 10/30/2020] [Accepted: 12/15/2020] [Indexed: 01/14/2023] Open
Abstract
Hereditary DNA repair defects affect tissues differently, suggesting that in vivo cells respond differently to DNA damage. Knowledge of the DNA damage response, however, is largely based on in vitro and cell culture studies, and it is currently unclear whether DNA repair changes depending on the cell type. Here, we use in vivo imaging of the nucleotide excision repair (NER) endonuclease ERCC-1/XPF-1 in C. elegans to demonstrate tissue-specific NER activity. In oocytes, XPF-1 functions as part of global genome NER (GG-NER) to ensure extremely rapid removal of DNA-helix-distorting lesions throughout the genome. In contrast, in post-mitotic neurons and muscles, XPF-1 participates in NER of transcribed genes only. Strikingly, muscle cells appear more resistant to the effects of DNA damage than neurons. These results suggest a tissue-specific organization of the DNA damage response and may help to better understand pleiotropic and tissue-specific consequences of accumulating DNA damage.
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27
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The Dark Side of UV-Induced DNA Lesion Repair. Genes (Basel) 2020; 11:genes11121450. [PMID: 33276692 PMCID: PMC7761550 DOI: 10.3390/genes11121450] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/27/2020] [Accepted: 11/29/2020] [Indexed: 12/12/2022] Open
Abstract
In their life cycle, plants are exposed to various unfavorable environmental factors including ultraviolet (UV) radiation emitted by the Sun. UV-A and UV-B, which are partially absorbed by the ozone layer, reach the surface of the Earth causing harmful effects among the others on plant genetic material. The energy of UV light is sufficient to induce mutations in DNA. Some examples of DNA damage induced by UV are pyrimidine dimers, oxidized nucleotides as well as single and double-strand breaks. When exposed to light, plants can repair major UV-induced DNA lesions, i.e., pyrimidine dimers using photoreactivation. However, this highly efficient light-dependent DNA repair system is ineffective in dim light or at night. Moreover, it is helpless when it comes to the repair of DNA lesions other than pyrimidine dimers. In this review, we have focused on how plants cope with deleterious DNA damage that cannot be repaired by photoreactivation. The current understanding of light-independent mechanisms, classified as dark DNA repair, indispensable for the maintenance of plant genetic material integrity has been presented.
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28
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He F, DuPrez K, Hilario E, Chen Z, Fan L. Structural basis of the XPB helicase-Bax1 nuclease complex interacting with the repair bubble DNA. Nucleic Acids Res 2020; 48:11695-11705. [PMID: 32986831 PMCID: PMC7672443 DOI: 10.1093/nar/gkaa801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/18/2020] [Accepted: 09/15/2020] [Indexed: 12/15/2022] Open
Abstract
Nucleotide excision repair (NER) removes various DNA lesions caused by UV light and chemical carcinogens. The DNA helicase XPB plays a key role in DNA opening and coordinating damage incision by nucleases during NER, but the underlying mechanisms remain unclear. Here, we report crystal structures of XPB from Sulfurisphaera tokodaii (St) bound to the nuclease Bax1 and their complex with a bubble DNA having one arm unwound in the crystal. StXPB and Bax1 together spirally encircle 10 base pairs of duplex DNA at the double-/single-stranded (ds–ss) junction. Furthermore, StXPB has its ThM motif intruding between the two DNA strands and gripping the 3′-overhang while Bax1 interacts with the 5′-overhang. This ternary complex likely reflects the state of repair bubble extension by the XPB and nuclease machine. ATP binding and hydrolysis by StXPB could lead to a spiral translocation along dsDNA and DNA strand separation by the ThM motif, revealing an unconventional DNA unwinding mechanism. Interestingly, the DNA is kept away from the nuclease domain of Bax1, potentially preventing DNA incision by Bax1 during repair bubble extension.
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Affiliation(s)
- Feng He
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Kevin DuPrez
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Eduardo Hilario
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Zhenhang Chen
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Li Fan
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
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González-Corrochano R, Ruiz FM, Taylor NMI, Huecas S, Drakulic S, Spínola-Amilibia M, Fernández-Tornero C. The crystal structure of human XPG, the xeroderma pigmentosum group G endonuclease, provides insight into nucleotide excision DNA repair. Nucleic Acids Res 2020; 48:9943-9958. [PMID: 32821917 PMCID: PMC7515719 DOI: 10.1093/nar/gkaa688] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 08/04/2020] [Accepted: 08/06/2020] [Indexed: 01/14/2023] Open
Abstract
Nucleotide excision repair (NER) is an essential pathway to remove bulky lesions affecting one strand of DNA. Defects in components of this repair system are at the ground of genetic diseases such as xeroderma pigmentosum (XP) and Cockayne syndrome (CS). The XP complementation group G (XPG) endonuclease cleaves the damaged DNA strand on the 3′ side of the lesion coordinated with DNA re-synthesis. Here, we determined crystal structures of the XPG nuclease domain in the absence and presence of DNA. The overall fold exhibits similarities to other flap endonucleases but XPG harbors a dynamic helical arch that is uniquely oriented and defines a gateway. DNA binding through a helix-2-turn-helix motif, assisted by one flanking α-helix on each side, shows high plasticity, which is likely relevant for DNA scanning. A positively-charged canyon defined by the hydrophobic wedge and β-pin motifs provides an additional DNA-binding surface. Mutational analysis identifies helical arch residues that play critical roles in XPG function. A model for XPG participation in NER is proposed. Our structures and biochemical data represent a valuable tool to understand the atomic ground of XP and CS, and constitute a starting point for potential therapeutic applications.
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Affiliation(s)
| | - Federico M Ruiz
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Nicholas M I Taylor
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Sonia Huecas
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Srdja Drakulic
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | | | - Carlos Fernández-Tornero
- Centro de Investigaciones Biológicas Margarita Salas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
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Hulshof EC, Lim L, de Hingh IHJT, Gelderblom H, Guchelaar HJ, Deenen MJ. Genetic Variants in DNA Repair Pathways as Potential Biomarkers in Predicting Treatment Outcome of Intraperitoneal Chemotherapy in Patients With Colorectal Peritoneal Metastasis: A Systematic Review. Front Pharmacol 2020; 11:577968. [PMID: 33117169 PMCID: PMC7575928 DOI: 10.3389/fphar.2020.577968] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/27/2020] [Indexed: 12/18/2022] Open
Abstract
Background The introduction of cytoreductive surgery (CRS) followed by hyperthermic intraperitoneal chemotherapy (HIPEC) with either oxaliplatin or mitomycin C for patients with colorectal peritoneal metastasis (CPM) has resulted in a major increase in overall survival. Nonetheless, despite critical patient selection, the majority of patients will develop recurrent disease within one year following CRS + HIPEC. Therefore, improvement of patient and treatment selection is needed and may be achieved by the incorporation of genetic biomarkers. This systematic review aims to provide an overview of genetic biomarkers in the DNA repair pathway that are potentially predictive for treatment outcome of patients with colorectal peritoneal metastases treated with CRS + HIPEC with oxaliplatin or mitomycin C. Methods A systematic review was conducted according to the PRISMA guidelines. Given the limited number of genetic association studies of intraperitoneal mitomycin C and oxaliplatin in patients with CPM, we expanded the review and extrapolated the data from biomarker studies conducted in colorectal cancer patients treated with systemic mitomycin C– and oxaliplatin-based chemotherapy. Results In total, 43 papers were included in this review. No study reported potential pharmacogenomic biomarkers in patients with colorectal cancer undergoing mitomycin C–based chemotherapy. For oxaliplatin-based chemotherapy, a total of 26 genetic biomarkers within 14 genes were identified that were significantly associated with treatment outcome. The most promising genetic biomarkers were ERCC1 rs11615, XPC rs1043953, XPD rs13181, XPG rs17655, MNAT rs3783819/rs973063/rs4151330, MMR status, ATM protein expression, HIC1 tandem repeat D17S5, and PIN1 rs2233678. Conclusion Several genetic biomarkers have proven predictive value for the treatment outcome of systemically administered oxaliplatin. By extrapolation, these genetic biomarkers may also be predictive for the efficacy of intraperitoneal oxaliplatin. This should be the subject of further investigation.
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Affiliation(s)
- Emma C Hulshof
- Department of Clinical Pharmacy, Catharina Hospital, Eindhoven, Netherlands.,Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, Netherlands
| | - Lifani Lim
- Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, Netherlands
| | - Ignace H J T de Hingh
- Department of Surgical Oncology, Catharina Hospital, Eindhoven, Netherlands.,GROW, School for Oncology and Development Biology, Maastricht University, Maastricht, Netherlands
| | - Hans Gelderblom
- Department of Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
| | - Henk-Jan Guchelaar
- Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, Netherlands.,Leiden Network for Personalized Therapeutics, Leiden, Netherlands
| | - Maarten J Deenen
- Department of Clinical Pharmacy, Catharina Hospital, Eindhoven, Netherlands.,Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, Netherlands
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DuPrez K, He F, Chen Z, Hilario E, Fan L. Structural basis of the XPB-Bax1 complex as a dynamic helicase-nuclease machinery for DNA repair. Nucleic Acids Res 2020; 48:6326-6339. [PMID: 32374860 PMCID: PMC7293015 DOI: 10.1093/nar/gkaa324] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 12/15/2022] Open
Abstract
Nucleotide excision repair (NER) is a major DNA repair pathway for a variety of DNA lesions. XPB plays a key role in DNA opening at damage sites and coordinating damage incision by nucleases. XPB is conserved from archaea to human. In archaea, XPB is associated with a nuclease Bax1. Here we report crystal structures of XPB in complex with Bax1 from Archaeoglobus fulgidus (Af) and Sulfolobus tokodaii (St). These structures reveal for the first time four domains in Bax1, which interacts with XPB mainly through its N-terminal domain. A Cas2-like domain likely helps to position Bax1 at the forked DNA allowing the nuclease domain to incise one arm of the fork. Bax1 exists in monomer or homodimer but forms a heterodimer exclusively with XPB. StBax1 keeps StXPB in a closed conformation and stimulates ATP hydrolysis by XPB while AfBax1 maintains AfXPB in the open conformation and reduces its ATPase activity. Bax1 contains two distinguished nuclease active sites to presumably incise DNA damage. Our results demonstrate that protein-protein interactions regulate the activities of XPB ATPase and Bax1 nuclease. These structures provide a platform to understand the XPB-nuclease interactions important for the coordination of DNA unwinding and damage incision in eukaryotic NER.
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Affiliation(s)
- Kevin DuPrez
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Feng He
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Zhenhang Chen
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Eduardo Hilario
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
| | - Li Fan
- Department of Biochemistry, University of California, Riverside, CA 92521, USA
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Elmenoufy AH, Gentile F, Jay D, Karimi-Busheri F, Yang X, Soueidan OM, Mani RS, Ciniero G, Tuszynski JA, Weinfeld M, West FG. Design, synthesis and in vitro cell-free/cell-based biological evaluations of novel ERCC1-XPF inhibitors targeting DNA repair pathway. Eur J Med Chem 2020; 204:112658. [PMID: 32738410 DOI: 10.1016/j.ejmech.2020.112658] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 10/23/2022]
Abstract
The structure-specific ERCC1-XPF endonuclease is essential for repairing bulky DNA lesions and helix distortions induced by UV radiation, which forms cyclobutane pyrimidine dimers (CPDs), or chemicals that crosslink DNA strands such as cyclophosphamide and platinum-based chemotherapeutic agents. Inhibition of the ERCC1-XPF endonuclease activity has been shown to sensitize cancer cells to these chemotherapeutic agents. In this study, we have conducted a structure activity relationship analysis based around the previously identified hit compound, 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-methylpiperazin1-yl)methyl)phenol (F06), as a reference compound. Three different series of compounds have been rationally designed and successfully synthesized through various modifications on three different sites of F06 based on the corresponding suggestions of the previous pharmacophore model. The in vitro screening results revealed that 2-chloro-9-((3-((4-(2-(dimethylamino)ethyl)piperazin-1-yl)methyl)-4-hydroxyphenyl)amino)acridin-2-ol (B9) has a potent inhibitory effect on the ERCC1-XPF activity (IC50 = 0.49 μM), showing 3-fold improvement in inhibition activity compared to F06. In addition, B9 not only displayed better binding affinity to the ERCC1-XPF complex but also had the capacity to potentiate the cytotoxicity effect of UV radiation and inhibiting the nucleotide excision repair, by the inhibition of removal of CPDs, and cyclophosphamide toxicity to colorectal cancer cells.
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Affiliation(s)
- Ahmed H Elmenoufy
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada; Department of Pharmaceutical Chemistry, College of Pharmacy, Misr University for Science and Technology, 6th of October City, P.O. Box: 77, Egypt
| | - Francesco Gentile
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1, Canada
| | - David Jay
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, T6G 1Z2, Canada
| | - Feridoun Karimi-Busheri
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, T6G 1Z2, Canada
| | - Xiaoyan Yang
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, T6G 1Z2, Canada
| | - Olivier M Soueidan
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Rajam S Mani
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, T6G 1Z2, Canada
| | - Gloria Ciniero
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Torino, 10129, Italy; Università di Torino, Torino, 10124, Italy
| | - Jack A Tuszynski
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1, Canada; Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, T6G 1Z2, Canada
| | - Michael Weinfeld
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, T6G 1Z2, Canada
| | - Frederick G West
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada.
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Borsos BN, Majoros H, Pankotai T. Emerging Roles of Post-Translational Modifications in Nucleotide Excision Repair. Cells 2020; 9:cells9061466. [PMID: 32549338 PMCID: PMC7349741 DOI: 10.3390/cells9061466] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/12/2020] [Accepted: 06/12/2020] [Indexed: 12/12/2022] Open
Abstract
Nucleotide excision repair (NER) is a versatile DNA repair pathway which can be activated in response to a broad spectrum of UV-induced DNA damage, such as bulky adducts, including cyclobutane-pyrimidine dimers (CPDs) and 6–4 photoproducts (6–4PPs). Based on the genomic position of the lesion, two sub-pathways can be defined: (I) global genomic NER (GG-NER), involved in the ablation of damage throughout the whole genome regardless of the transcription activity of the damaged DNA locus, and (II) transcription-coupled NER (TC-NER), activated at DNA regions where RNAPII-mediated transcription takes place. These processes are tightly regulated by coordinated mechanisms, including post-translational modifications (PTMs). The fine-tuning modulation of the balance between the proteins, responsible for PTMs, is essential to maintain genome integrity and to prevent tumorigenesis. In this review, apart from the other substantial PTMs (SUMOylation, PARylation) related to NER, we principally focus on reversible ubiquitylation, which involves E3 ubiquitin ligase and deubiquitylase (DUB) enzymes responsible for the spatiotemporally precise regulation of NER.
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34
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Bermisheva MA, Gilyazova IR, Zinnatullina GF, Khusnutdinova EK. Analysis of Rare Variant c.2395C>T (p.Arg799Trp) in Gene ERCC4 in Breast Cancer Patients from Bashkortostan. RUSS J GENET+ 2020. [DOI: 10.1134/s1022795420050026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Sabatella M, Pines A, Slyskova J, Vermeulen W, Lans H. ERCC1-XPF targeting to psoralen-DNA crosslinks depends on XPA and FANCD2. Cell Mol Life Sci 2020; 77:2005-2016. [PMID: 31392348 PMCID: PMC7228994 DOI: 10.1007/s00018-019-03264-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/19/2019] [Accepted: 07/31/2019] [Indexed: 01/02/2023]
Abstract
The effectiveness of many DNA-damaging chemotherapeutic drugs depends on their ability to form monoadducts, intrastrand crosslinks and/or interstrand crosslinks (ICLs) that interfere with transcription and replication. The ERCC1-XPF endonuclease plays a critical role in removal of these lesions by incising DNA either as part of nucleotide excision repair (NER) or interstrand crosslink repair (ICLR). Engagement of ERCC1-XPF in NER is well characterized and is facilitated by binding to the XPA protein. However, ERCC1-XPF recruitment to ICLs is less well understood. Moreover, specific mutations in XPF have been found to disrupt its function in ICLR but not in NER, but whether this involves differences in lesion targeting is unknown. Here, we imaged GFP-tagged ERCC1, XPF and ICLR-defective XPF mutants to investigate how in human cells ERCC1-XPF is localized to different types of psoralen-induced DNA lesions, repaired by either NER or ICLR. Our results confirm its dependence on XPA in NER and furthermore show that its engagement in ICLR is dependent on FANCD2. Interestingly, we find that two ICLR-defective XPF mutants (R689S and S786F) are less well recruited to ICLs. These studies highlight the differential mechanisms that regulate ERCC1-XPF activity in DNA repair.
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Affiliation(s)
- Mariangela Sabatella
- Department of Molecular Genetics, Erasmus MC, 3015 GE, Rotterdam, The Netherlands
- Oncode Institute, Erasmus MC, 3015 GE, Rotterdam, The Netherlands
| | - Alex Pines
- Department of Molecular Genetics, Erasmus MC, 3015 GE, Rotterdam, The Netherlands
- Oncode Institute, Erasmus MC, 3015 GE, Rotterdam, The Netherlands
| | - Jana Slyskova
- Department of Molecular Genetics, Erasmus MC, 3015 GE, Rotterdam, The Netherlands
- CeMM Research Centre for Molecular Medicine of the Austrian Academy of Sciences, 1090, Vienna, Austria
| | - Wim Vermeulen
- Department of Molecular Genetics, Erasmus MC, 3015 GE, Rotterdam, The Netherlands.
- Oncode Institute, Erasmus MC, 3015 GE, Rotterdam, The Netherlands.
| | - Hannes Lans
- Department of Molecular Genetics, Erasmus MC, 3015 GE, Rotterdam, The Netherlands.
- Oncode Institute, Erasmus MC, 3015 GE, Rotterdam, The Netherlands.
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36
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Jones M, Beuron F, Borg A, Nans A, Earl CP, Briggs DC, Snijders AP, Bowles M, Morris EP, Linch M, McDonald NQ. Cryo-EM structures of the XPF-ERCC1 endonuclease reveal how DNA-junction engagement disrupts an auto-inhibited conformation. Nat Commun 2020; 11:1120. [PMID: 32111838 PMCID: PMC7048804 DOI: 10.1038/s41467-020-14856-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 02/05/2020] [Indexed: 12/31/2022] Open
Abstract
The structure-specific endonuclease XPF-ERCC1 participates in multiple DNA damage repair pathways including nucleotide excision repair (NER) and inter-strand crosslink repair (ICLR). How XPF-ERCC1 is catalytically activated by DNA junction substrates is not currently understood. Here we report cryo-electron microscopy structures of both DNA-free and DNA-bound human XPF-ERCC1. DNA-free XPF-ERCC1 adopts an auto-inhibited conformation in which the XPF helical domain masks the ERCC1 (HhH)2 domain and restricts access to the XPF catalytic site. DNA junction engagement releases the ERCC1 (HhH)2 domain to couple with the XPF-ERCC1 nuclease/nuclease-like domains. Structure-function data indicate xeroderma pigmentosum patient mutations frequently compromise the structural integrity of XPF-ERCC1. Fanconi anaemia patient mutations in XPF often display substantial in-vitro activity but are resistant to activation by ICLR recruitment factor SLX4. Our data provide insights into XPF-ERCC1 architecture and catalytic activation.
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Affiliation(s)
- Morgan Jones
- Signalling and Structural Biology Laboratory, Francis Crick Institute, NW1 1AT, London, UK
| | - Fabienne Beuron
- Structural Electron Microscopy, The Institute of Cancer Research, SW7 3RP, London, UK
| | - Aaron Borg
- Mass Spectrometry Science Technology Platform, Francis Crick Institute, NW1 1AT, London, UK
| | - Andrea Nans
- Structural Biology of Cells and Viruses, Francis Crick Institute, NW1 1AT, London, UK
| | - Christopher P Earl
- Signalling and Structural Biology Laboratory, Francis Crick Institute, NW1 1AT, London, UK
| | - David C Briggs
- Signalling and Structural Biology Laboratory, Francis Crick Institute, NW1 1AT, London, UK
| | - Ambrosius P Snijders
- Mass Spectrometry Science Technology Platform, Francis Crick Institute, NW1 1AT, London, UK
| | - Maureen Bowles
- Signalling and Structural Biology Laboratory, Francis Crick Institute, NW1 1AT, London, UK
| | - Edward P Morris
- Structural Electron Microscopy, The Institute of Cancer Research, SW7 3RP, London, UK
| | - Mark Linch
- Department of Oncology, University College London Cancer Institute, WC1E 6AG, London, England, UK
| | - Neil Q McDonald
- Signalling and Structural Biology Laboratory, Francis Crick Institute, NW1 1AT, London, UK.
- Institute of Structural and Molecular Biology, Department of Biological Sciences, Birkbeck College, Malet Street, London, WC1E 7HX, UK.
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37
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Acetylation of XPF by TIP60 facilitates XPF-ERCC1 complex assembly and activation. Nat Commun 2020; 11:786. [PMID: 32034146 PMCID: PMC7005904 DOI: 10.1038/s41467-020-14564-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 01/17/2020] [Indexed: 01/27/2023] Open
Abstract
The XPF-ERCC1 heterodimer is a structure-specific endonuclease that is essential for nucleotide excision repair (NER) and interstrand crosslink (ICL) repair in mammalian cells. However, whether and how XPF binding to ERCC1 is regulated has not yet been established. Here, we show that TIP60, also known as KAT5, a haplo-insufficient tumor suppressor, directly acetylates XPF at Lys911 following UV irradiation or treatment with mitomycin C and that this acetylation is required for XPF-ERCC1 complex assembly and subsequent activation. Mechanistically, acetylation of XPF at Lys911 disrupts the Glu907-Lys911 salt bridge, thereby leading to exposure of a previously unidentified second binding site for ERCC1. Accordingly, loss of XPF acetylation impairs the damage-induced XPF-ERCC1 interaction, resulting in defects in both NER and ICL repair. Our results not only reveal a mechanism that regulates XPF-ERCC1 complex assembly and activation, but also provide important insight into the role of TIP60 in the maintenance of genome stability. The XPF-ERCC1 heterodimer is an endonuclease involved in nucleotide excision (NER) and interstrand crosslink (ICL) repair in mammalian cells. Here, the authors provide insights into its regulation by revealing that TIP60 regulates XPF-ERCC1 complex assembly and activation.
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38
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Tissue-infiltrating macrophages mediate an exosome-based metabolic reprogramming upon DNA damage. Nat Commun 2020; 11:42. [PMID: 31896748 PMCID: PMC6940362 DOI: 10.1038/s41467-019-13894-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 12/04/2019] [Indexed: 12/26/2022] Open
Abstract
DNA damage and metabolic disorders are intimately linked with premature disease onset but the underlying mechanisms remain poorly understood. Here, we show that persistent DNA damage accumulation in tissue-infiltrating macrophages carrying an ERCC1-XPF DNA repair defect (Er1F/−) triggers Golgi dispersal, dilation of endoplasmic reticulum, autophagy and exosome biogenesis leading to the secretion of extracellular vesicles (EVs) in vivo and ex vivo. Macrophage-derived EVs accumulate in Er1F/− animal sera and are secreted in macrophage media after DNA damage. The Er1F/− EV cargo is taken up by recipient cells leading to an increase in insulin-independent glucose transporter levels, enhanced cellular glucose uptake, higher cellular oxygen consumption rate and greater tolerance to glucose challenge in mice. We find that high glucose in EV-targeted cells triggers pro-inflammatory stimuli via mTOR activation. This, in turn, establishes chronic inflammation and tissue pathology in mice with important ramifications for DNA repair-deficient, progeroid syndromes and aging. DNA damage is associated with metabolic disorders, but the mechanism in unclear. Here, the authors show that persistent DNA damage induced by lack of the endonuclease XPF-ERCC1 triggers extracellular vesicle biogenesis in tissue infiltrating macrophages, and that vesicle uptake stimulates glucose uptake in recipient cells, leading to increased inflammation.
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39
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Gaur V, Ziajko W, Nirwal S, Szlachcic A, Gapińska M, Nowotny M. Recognition and processing of branched DNA substrates by Slx1-Slx4 nuclease. Nucleic Acids Res 2019; 47:11681-11690. [PMID: 31584081 PMCID: PMC6902002 DOI: 10.1093/nar/gkz842] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/16/2019] [Accepted: 10/01/2019] [Indexed: 12/11/2022] Open
Abstract
Structure-selective endonucleases cleave branched DNA substrates. Slx1 is unique among structure-selective nucleases because it can cleave all branched DNA structures at multiple sites near the branch point. The mechanism behind this broad range of activity is unknown. The present study structurally and biochemically investigated fungal Slx1 to define a new protein interface that binds the non-cleaved arm of branched DNAs. The DNA arm bound at this new site was positioned at a sharp angle relative to the arm that was modeled to interact with the active site, implying that Slx1 uses DNA bending to localize the branch point as a flexible discontinuity in DNA. DNA binding at the new interface promoted a disorder-order transition in a region of the protein that was located in the vicinity of the active site, potentially participating in its formation. This appears to be a safety mechanism that ensures that DNA cleavage occurs only when the new interface is occupied by the non-cleaved DNA arm. Models of Slx1 that interacted with various branched DNA substrates were prepared. These models explain the way in which Slx1 cuts DNA toward the 3' end away from the branch point and elucidate the unique ability of Slx1 to cleave various DNA structures.
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Affiliation(s)
- Vineet Gaur
- Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, 4 Trojdena St., 02-109 Warsaw, Poland
| | - Weronika Ziajko
- Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, 4 Trojdena St., 02-109 Warsaw, Poland
| | - Shivlee Nirwal
- Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, 4 Trojdena St., 02-109 Warsaw, Poland
| | - Aleksandra Szlachcic
- Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, 4 Trojdena St., 02-109 Warsaw, Poland
| | - Marta Gapińska
- Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, 4 Trojdena St., 02-109 Warsaw, Poland
| | - Marcin Nowotny
- Laboratory of Protein Structure, International Institute of Molecular and Cell Biology, 4 Trojdena St., 02-109 Warsaw, Poland
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Beaudin M, Matilla-Dueñas A, Soong BW, Pedroso JL, Barsottini OG, Mitoma H, Tsuji S, Schmahmann JD, Manto M, Rouleau GA, Klein C, Dupre N. The Classification of Autosomal Recessive Cerebellar Ataxias: a Consensus Statement from the Society for Research on the Cerebellum and Ataxias Task Force. CEREBELLUM (LONDON, ENGLAND) 2019; 18:1098-1125. [PMID: 31267374 PMCID: PMC6867988 DOI: 10.1007/s12311-019-01052-2] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
There is currently no accepted classification of autosomal recessive cerebellar ataxias, a group of disorders characterized by important genetic heterogeneity and complex phenotypes. The objective of this task force was to build a consensus on the classification of autosomal recessive ataxias in order to develop a general approach to a patient presenting with ataxia, organize disorders according to clinical presentation, and define this field of research by identifying common pathogenic molecular mechanisms in these disorders. The work of this task force was based on a previously published systematic scoping review of the literature that identified autosomal recessive disorders characterized primarily by cerebellar motor dysfunction and cerebellar degeneration. The task force regrouped 12 international ataxia experts who decided on general orientation and specific issues. We identified 59 disorders that are classified as primary autosomal recessive cerebellar ataxias. For each of these disorders, we present geographical and ethnical specificities along with distinctive clinical and imagery features. These primary recessive ataxias were organized in a clinical and a pathophysiological classification, and we present a general clinical approach to the patient presenting with ataxia. We also identified a list of 48 complex multisystem disorders that are associated with ataxia and should be included in the differential diagnosis of autosomal recessive ataxias. This classification is the result of a consensus among a panel of international experts, and it promotes a unified understanding of autosomal recessive cerebellar disorders for clinicians and researchers.
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Affiliation(s)
- Marie Beaudin
- Axe Neurosciences, CHU de Québec-Université Laval, Québec, QC, Canada
- Department of Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada
| | - Antoni Matilla-Dueñas
- Department of Neuroscience, Health Sciences Research Institute Germans Trias i Pujol (IGTP), Universitat Autònoma de Barcelona, Badalona, Barcelona, Spain
| | - Bing-Weng Soong
- Department of Neurology, Shuang Ho Hospital and Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan, Republic of China
- National Yang-Ming University School of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, Republic of China
| | - Jose Luiz Pedroso
- Ataxia Unit, Department of Neurology, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Orlando G Barsottini
- Ataxia Unit, Department of Neurology, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Hiroshi Mitoma
- Medical Education Promotion Center, Tokyo Medical University, Tokyo, Japan
| | - Shoji Tsuji
- The University of Tokyo, Tokyo, Japan
- International University of Health and Welfare, Chiba, Japan
| | - Jeremy D Schmahmann
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Mario Manto
- Service de Neurologie, Médiathèque Jean Jacquy, CHU-Charleroi, 6000, Charleroi, Belgium
- Service des Neurosciences, UMons, Mons, Belgium
| | | | | | - Nicolas Dupre
- Axe Neurosciences, CHU de Québec-Université Laval, Québec, QC, Canada.
- Department of Medicine, Faculty of Medicine, Université Laval, Quebec City, QC, Canada.
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41
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Kawara H, Akahori R, Wakasugi M, Sancar A, Matsunaga T. DCAF7 is required for maintaining the cellular levels of ERCC1-XPF and nucleotide excision repair. Biochem Biophys Res Commun 2019; 519:204-210. [PMID: 31493872 DOI: 10.1016/j.bbrc.2019.08.147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 08/26/2019] [Indexed: 02/03/2023]
Abstract
The ERCC1-XPF heterodimer is a structure-specific endonuclease and plays multiple roles in various DNA repair pathways including nucleotide excision repair and also telomere maintenance. The dimer formation, which is mediated by their C-terminal helix-hairpin-helix regions, is essential for their endonuclease activity as well as the stability of each protein. However, the detailed mechanism of how a cellular level of ERCC1-XPF is regulated still remains elusive. Here, we report the identification of DDB1- and CUL4-associated factor 7 (DCAF7, also known as WDR68/HAN11) as a novel interacting protein of ERCC1-XPF by mass spectrometry after tandem purification. Immunoprecipitation experiments confirmed their interaction and suggested dominant association of DCAF7 with XPF but not ERCC1. Interestingly, siRNA-mediated knockdown of DCAF7, but not DDB1, attenuated the cellular level of ERCC1-XPF, which is partly dependent on proteasome. The depletion of TCP1α, one of components of the molecular chaperon TRiC/CCT known to interact with DCAF7 and promote its folding, also reduced ERCC1-XPF level. Finally, we show that the depletion of DCAF7 causes inefficient repair of UV-induced (6-4) photoproducts, which can be rescued by ectopic overexpression of XPF or ERCC1-XPF. Altogether, our results strongly suggest that DCAF7 is a novel regulator of ERCC1-XPF protein level and cellular nucleotide excision repair activity.
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Affiliation(s)
- Hiroaki Kawara
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan; Department of Biochemistry and Biophysics, School of Medicine, University of North Carolina at Chapel Hill, NC, 27599, USA
| | - Ryo Akahori
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Mitsuo Wakasugi
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Aziz Sancar
- Department of Biochemistry and Biophysics, School of Medicine, University of North Carolina at Chapel Hill, NC, 27599, USA
| | - Tsukasa Matsunaga
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan.
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42
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Zarakowska E, Czerwinska J, Tupalska A, Yousefzadeh MJ, Gregg SQ, Croix CMS, Niedernhofer LJ, Foksinski M, Gackowski D, Szpila A, Starczak M, Tudek B, Olinski R. Oxidation Products of 5-Methylcytosine are Decreased in Senescent Cells and Tissues of Progeroid Mice. J Gerontol A Biol Sci Med Sci 2019; 73:1003-1009. [PMID: 29415265 DOI: 10.1093/gerona/gly012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 02/01/2018] [Indexed: 12/24/2022] Open
Abstract
5-Hydroxymethylcytosine and 5-formylcytosine are stable DNA base modifications generated from 5-methylcytosine by the ten-eleven translocation protein family that function as epigenetic markers. 5-Hydroxymethyluracil may also be generated from thymine by ten-eleven translocation enzymes. Here, we asked if these epigenetic changes accumulate in senescent cells, since they are thought to be inversely correlated with proliferation. Testing this in ERCC1-XPF-deficient cells and mice also enabled discovery if these DNA base changes are repaired by nucleotide excision repair. Epigenetic marks were measured in proliferating, quiescent and senescent wild-type (WT) and Ercc1-/- primary mouse embryonic fibroblasts. The pattern of epigenetic marks depended more on the proliferation status of the cells than their DNA repair capacity. The cytosine modifications were all decreased in senescent cells compared to quiescent or proliferating cells, whereas 5-(hydroxymethyl)-2'-deoxyuridine was increased. In vivo, both 5-(hydroxymethyl)-2'-deoxyuridine and 5-(hydroxymethyl)-2'-deoxycytidine were significantly increased in liver tissues of aged WT mice compared to young adult WT mice. Livers of Ercc1-deficient mice with premature senescence and aging had reduced level of 5-(hydroxymethyl)-2'-deoxycytidine and 5-formyl-2'-deoxycytidine compared to aged-matched WT controls. Taken together, we demonstrate for the first time, that 5-(hydroxymethyl)-2'-deoxycytidine is significantly reduced in senescent cells and tissue, potentially yielding a novel marker of senescence.
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Affiliation(s)
- Ewelina Zarakowska
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Jolanta Czerwinska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Agnieszka Tupalska
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Poland
| | - Matt J Yousefzadeh
- Department of Molecular Medicine, Center on Aging, The Scripps Research Institute, Jupiter, Florida
| | - Siobhán Q Gregg
- Department of Cell Biology, University of Pittsburgh, Pennsylvania
| | | | - Laura J Niedernhofer
- Department of Molecular Medicine, Center on Aging, The Scripps Research Institute, Jupiter, Florida
| | - Marek Foksinski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Daniel Gackowski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Anna Szpila
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Marta Starczak
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Barbara Tudek
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland.,Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Poland
| | - Ryszard Olinski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
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Elmenoufy AH, Gentile F, Jay D, Karimi-Busheri F, Yang X, Soueidan OM, Weilbeer C, Mani RS, Barakat KH, Tuszynski JA, Weinfeld M, West FG. Targeting DNA Repair in Tumor Cells via Inhibition of ERCC1-XPF. J Med Chem 2019; 62:7684-7696. [PMID: 31369707 DOI: 10.1021/acs.jmedchem.9b00326] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The ERCC1-XPF heterodimer is a 5'-3' structure-specific endonuclease, which plays an essential role in several DNA repair pathways in mammalian cells. ERCC1-XPF is primarily involved in the repair of chemically induced helix-distorting and bulky DNA lesions, such as cyclobutane pyrimidine dimers (CPDs), and DNA interstrand cross-links. Inhibition of ERCC1-XPF has been shown to potentiate cytotoxicity of platinum-based drugs and cyclophosphamide in cancer cells. In this study, the previously described ERCC1-XPF inhibitor 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-methylpiperazin-1-yl)methyl)phenol (compound 1) was used as a reference compound. Following the outcome of docking-based virtual screening (VS), we synthesized seven novel derivatives of 1 that were identified in silico as being likely to have high binding affinity for the ERCC1-XPF heterodimerization interface by interacting with the XPF double helix-hairpin-helix (HhH2) domain. Two of the new compounds, 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-cyclohexylpiperazin-1-yl)methyl)phenol (compound 3) and 4-((6-chloro-2-methoxyacridin-9-yl)amino)-2-((4-(2-(dimethylamino)ethyl) piperazin-1-yl) methyl) phenol (compound 4), were shown to be potent inhibitors of ERCC1-XPF activity in vitro. Compound 4 showed significant inhibition of the removal of CPDs in UV-irradiated cells and the capacity to sensitize colorectal cancer cells to UV radiation and cyclophosphamide.
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Affiliation(s)
- Ahmed H Elmenoufy
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada.,Department of Pharmaceutical Chemistry, College of Pharmacy , Misr University for Science and Technology , P.O. Box 77, 6th of October City 12568 , Egypt
| | - Francesco Gentile
- Department of Physics , University of Alberta , Edmonton , Alberta T6G 2E1 , Canada
| | - David Jay
- Department of Oncology, Cross Cancer Institute , University of Alberta , Edmonton , Alberta T6G 1Z2 , Canada
| | - Feridoun Karimi-Busheri
- Department of Oncology, Cross Cancer Institute , University of Alberta , Edmonton , Alberta T6G 1Z2 , Canada
| | - Xiaoyan Yang
- Department of Oncology, Cross Cancer Institute , University of Alberta , Edmonton , Alberta T6G 1Z2 , Canada
| | - Olivier M Soueidan
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Claudia Weilbeer
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Rajam S Mani
- Department of Oncology, Cross Cancer Institute , University of Alberta , Edmonton , Alberta T6G 1Z2 , Canada
| | - Khaled H Barakat
- Faculty of Pharmacy and Pharmaceutical Sciences , University of Alberta , Edmonton , Alberta T6G 2H1 , Canada
| | - Jack A Tuszynski
- Department of Physics , University of Alberta , Edmonton , Alberta T6G 2E1 , Canada.,Department of Oncology, Cross Cancer Institute , University of Alberta , Edmonton , Alberta T6G 1Z2 , Canada
| | - Michael Weinfeld
- Department of Oncology, Cross Cancer Institute , University of Alberta , Edmonton , Alberta T6G 1Z2 , Canada
| | - Frederick G West
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
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44
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Slyskova J, Sabatella M, Ribeiro-Silva C, Stok C, Theil AF, Vermeulen W, Lans H. Base and nucleotide excision repair facilitate resolution of platinum drugs-induced transcription blockage. Nucleic Acids Res 2019; 46:9537-9549. [PMID: 30137419 PMCID: PMC6182164 DOI: 10.1093/nar/gky764] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 08/20/2018] [Indexed: 12/21/2022] Open
Abstract
Sensitivity and resistance of cells to platinum drug chemotherapy are to a large extent determined by activity of the DNA damage response (DDR). Combining chemotherapy with inhibition of specific DDR pathways could therefore improve treatment efficacy. Multiple DDR pathways have been implicated in removal of platinum-DNA lesions, but it is unclear which exact pathways are most important to cellular platinum drug resistance. Here, we used CRISPR/Cas9 screening to identify DDR proteins that protect colorectal cancer cells against the clinically applied platinum drug oxaliplatin. We find that besides the expected homologous recombination, Fanconi anemia and translesion synthesis pathways, in particular also transcription-coupled nucleotide excision repair (TC-NER) and base excision repair (BER) protect against platinum-induced cytotoxicity. Both repair pathways are required to overcome oxaliplatin- and cisplatin-induced transcription arrest. In addition to the generation of DNA crosslinks, exposure to platinum drugs leads to reactive oxygen species production that induces oxidative DNA lesions, explaining the requirement for BER. Our findings highlight the importance of transcriptional integrity in cells exposed to platinum drugs and suggest that both TC-NER and BER should be considered as targets for novel combinatorial treatment strategies.
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Affiliation(s)
- Jana Slyskova
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Mariangela Sabatella
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Cristina Ribeiro-Silva
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
- Oncode Institute, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Colin Stok
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Arjan F Theil
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
- Oncode Institute, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Wim Vermeulen
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
- Oncode Institute, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
| | - Hannes Lans
- Department of Molecular Genetics, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
- Oncode Institute, Erasmus MC, Erasmus University Medical Center Rotterdam, 3000 CA Rotterdam, The Netherlands
- To whom correspondence should be addressed. Tel: +31 10 7038169; Fax: +31 10 7044743;
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45
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Jager M, Blokzijl F, Kuijk E, Bertl J, Vougioukalaki M, Janssen R, Besselink N, Boymans S, de Ligt J, Pedersen JS, Hoeijmakers J, Pothof J, van Boxtel R, Cuppen E. Deficiency of nucleotide excision repair is associated with mutational signature observed in cancer. Genome Res 2019; 29:1067-1077. [PMID: 31221724 PMCID: PMC6633256 DOI: 10.1101/gr.246223.118] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 06/07/2019] [Indexed: 12/24/2022]
Abstract
Nucleotide excision repair (NER) is one of the main DNA repair pathways that protect cells against genomic damage. Disruption of this pathway can contribute to the development of cancer and accelerate aging. Mutational characteristics of NER-deficiency may reveal important diagnostic opportunities, as tumors deficient in NER are more sensitive to certain treatments. Here, we analyzed the genome-wide somatic mutational profiles of adult stem cells (ASCs) from NER-deficient Ercc1 -/Δ mice. Our results indicate that NER-deficiency increases the base substitution load twofold in liver but not in small intestinal ASCs, which coincides with the tissue-specific aging pathology observed in these mice. Moreover, NER-deficient ASCs of both tissues show an increased contribution of Signature 8 mutations, which is a mutational pattern with unknown etiology that is recurrently observed in various cancer types. The scattered genomic distribution of the base substitutions indicates that deficiency of global-genome NER (GG-NER) underlies the observed mutational consequences. In line with this, we observe increased Signature 8 mutations in a GG-NER-deficient human organoid culture, in which XPC was deleted using CRISPR-Cas9 gene-editing. Furthermore, genomes of NER-deficient breast tumors show an increased contribution of Signature 8 mutations compared with NER-proficient tumors. Elevated levels of Signature 8 mutations could therefore contribute to a predictor of NER-deficiency based on a patient's mutational profile.
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Affiliation(s)
- Myrthe Jager
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Francis Blokzijl
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Ewart Kuijk
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Johanna Bertl
- Department of Molecular Medicine, Aarhus University, 8200 Aarhus N, Denmark
| | | | - Roel Janssen
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Nicolle Besselink
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Sander Boymans
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Joep de Ligt
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | | | | | - Joris Pothof
- Erasmus Medical Center, 3015 CN Rotterdam, The Netherlands
| | - Ruben van Boxtel
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Edwin Cuppen
- Center for Molecular Medicine and Oncode Institute, University Medical Center Utrecht, Utrecht University, 3584 CG Utrecht, The Netherlands
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46
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Xiao M, Cui S, Zhang L, Yu T, Zhang G, Zhang Q, Li L, Cai Y, Jin C, Yang J, Wu S, Lu X. AC138128.1 an Intronic lncRNA originating from ERCC1 Implies a Potential Application in Lung Cancer Treatment. J Cancer 2019; 10:3608-3617. [PMID: 31333777 PMCID: PMC6636308 DOI: 10.7150/jca.31832] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 05/08/2019] [Indexed: 02/06/2023] Open
Abstract
Lung cancer is one of the most devastating tumors with a high incidence and mortality worldwide. Polymorphisms and expression of ERCC1 commonly predicted the occurrence and prognosis of lung cancer. However, few studies have focused on long non-coding RNAs related to ERCC1 though some studies reminded the importance of its post-transcriptional regulation. In the present study, an intronic lncRNA AC138128.1 originated from ERCC1 was firstly identified in microarray chip and database, and its possibility as a novel biomarker to predict lung cancer treatment was further discussed. Firstly, the qRT-PCR data showed that AC138128.1 expression was much lower in lung cancer comparing with its para-cancer tissues, which further analyzed by ROC curve. Similarly, the difference was also verified in 16HBE, A549 and LK2 cells. Then AC138128.1 expression was found to have an increasing trend in a dose or time-dependent manner after cisplatin treatment. Finally, the subcellular distribution of AC138128.1 reminded that AC138128.1 was mainly expressed in the nucleus. Interestingly a positive relationship between AC138128.1 and ERCC1 expression was only found in cancer tissues, which reminded AC138128.1 may be involved in the regulation of ERCC1. Therefore, as a preliminary exploration of the lncRNA originated from ERCC1, the present study suggested AC138128.1 is of potential value in predicting platinum analogue benefit in lung cancer.
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Affiliation(s)
- Mingyang Xiao
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Su Cui
- Dept. of Thoracic Surgery Ward 2, The first Hospital of China Medical University, Shenyang, P.R. China
| | - Liang Zhang
- Dept. of Thoracic Surgery, Liaoning Cancer Hospital & Institute, Shenyang, P.R. China
| | - Tao Yu
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Guopei Zhang
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Qianye Zhang
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Liuli Li
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Yuan Cai
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Cuihong Jin
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Jinghua Yang
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Shengwen Wu
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
| | - Xiaobo Lu
- Dept. of Toxicology, School of Public Health, China Medical University, Shenyang, P.R. China
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47
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Alyodawi K, Vermeij WP, Omairi S, Kretz O, Hopkinson M, Solagna F, Joch B, Brandt RMC, Barnhoorn S, van Vliet N, Ridwan Y, Essers J, Mitchell R, Morash T, Pasternack A, Ritvos O, Matsakas A, Collins-Hooper H, Huber TB, Hoeijmakers JHJ, Patel K. Compression of morbidity in a progeroid mouse model through the attenuation of myostatin/activin signalling. J Cachexia Sarcopenia Muscle 2019; 10:662-686. [PMID: 30916493 PMCID: PMC6596402 DOI: 10.1002/jcsm.12404] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 12/17/2018] [Accepted: 01/09/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND One of the principles underpinning our understanding of ageing is that DNA damage induces a stress response that shifts cellular resources from growth towards maintenance. A contrasting and seemingly irreconcilable view is that prompting growth of, for example, skeletal muscle confers systemic benefit. METHODS To investigate the robustness of these axioms, we induced muscle growth in a murine progeroid model through the use of activin receptor IIB ligand trap that dampens myostatin/activin signalling. Progeric mice were then investigated for neurological and muscle function as well as cellular profiling of the muscle, kidney, liver, and bone. RESULTS We show that muscle of Ercc1Δ/- progeroid mice undergoes severe wasting (decreases in hind limb muscle mass of 40-60% compared with normal mass), which is largely protected by attenuating myostatin/activin signalling using soluble activin receptor type IIB (sActRIIB) (increase of 30-62% compared with untreated progeric). sActRIIB-treated progeroid mice maintained muscle activity (distance travel per hour: 5.6 m in untreated mice vs. 13.7 m in treated) and increased specific force (19.3 mN/mg in untreated vs. 24.0 mN/mg in treated). sActRIIb treatment of progeroid mice also improved satellite cell function especially their ability to proliferate on their native substrate (2.5 cells per fibre in untreated progeroids vs. 5.4 in sActRIIB-treated progeroids after 72 h in culture). Besides direct protective effects on muscle, we show systemic improvements to other organs including the structure and function of the kidneys; there was a major decrease in the protein content in urine (albumin/creatinine of 4.9 sActRIIB treated vs. 15.7 in untreated), which is likely to be a result in the normalization of podocyte foot processes, which constitute the filtration apparatus (glomerular basement membrane thickness reduced from 224 to 177 nm following sActRIIB treatment). Treatment of the progeric mice with the activin ligand trap protected against the development of liver abnormalities including polyploidy (18.3% untreated vs. 8.1% treated) and osteoporosis (trabecular bone volume; 0.30 mm3 in treated progeroid mice vs. 0.14 mm3 in untreated mice, cortical bone volume; 0.30 mm3 in treated progeroid mice vs. 0.22 mm3 in untreated mice). The onset of neurological abnormalities was delayed (by ~5 weeks) and their severity reduced, overall sustaining health without affecting lifespan. CONCLUSIONS This study questions the notion that tissue growth and maintaining tissue function during ageing are incompatible mechanisms. It highlights the need for future investigations to assess the potential of therapies based on myostatin/activin blockade to compress morbidity and promote healthy ageing.
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Affiliation(s)
- Khalid Alyodawi
- School of Biological Sciences, University of Reading, Reading, UK.,College of Medicine, Wasit University, Kut, Iraq
| | - Wilbert P Vermeij
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Princess Máxima Center, Oncode Institute, Utrecht, The Netherlands
| | - Saleh Omairi
- School of Biological Sciences, University of Reading, Reading, UK.,College of Medicine, Wasit University, Kut, Iraq
| | - Oliver Kretz
- Medizinische Klinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.,Department of Medicine IV, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Department of Neuroanatomy, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | | | - Francesca Solagna
- Department of Medicine IV, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Barbara Joch
- Department of Neuroanatomy, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Renata M C Brandt
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Sander Barnhoorn
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Nicole van Vliet
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Yanto Ridwan
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Jeroen Essers
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Radiation Oncology, Erasmus MC, Rotterdam, The Netherlands.,Department of Vascular Surgery, Erasmus MC, Rotterdam, The Netherlands
| | - Robert Mitchell
- School of Biological Sciences, University of Reading, Reading, UK
| | - Taryn Morash
- School of Biological Sciences, University of Reading, Reading, UK
| | - Arja Pasternack
- Department of Bacteriology and Immunology, University of Helsinki, Helsinki, Finland
| | - Olli Ritvos
- Department of Bacteriology and Immunology, University of Helsinki, Helsinki, Finland.,Institute of Molecular Medicine, University of Health Science Center, Houston, TX, USA
| | | | | | - Tobias B Huber
- Medizinische Klinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.,Department of Medicine IV, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,BIOSS Center for Biological Signalling Studies, University of Freiburg, Freiburg, Germany.,Freiburg Institute for Advanced Studies and Center for Biological System Analysis, Freiburg, Germany
| | - Jan H J Hoeijmakers
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Princess Máxima Center, Oncode Institute, Utrecht, The Netherlands.,CECAD Forschungszentrum, Universität zu Köln, Cologne, Germany
| | - Ketan Patel
- School of Biological Sciences, University of Reading, Reading, UK.,Freiburg Institute for Advanced Studies and Center for Biological System Analysis, Freiburg, Germany
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48
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Li S, Lu H, Wang Z, Hu Q, Wang H, Xiang R, Chiba T, Wu X. ERCC1/XPF Is Important for Repair of DNA Double-Strand Breaks Containing Secondary Structures. iScience 2019; 16:63-78. [PMID: 31153042 PMCID: PMC6543133 DOI: 10.1016/j.isci.2019.05.017] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 04/02/2019] [Accepted: 05/10/2019] [Indexed: 12/15/2022] Open
Abstract
The structure-specific endonuclease ERCC1/XPF plays an important role in nucleotide excision repair and interstrand cross-link repair. In this study, we identified new functions of ERCC1/XPF in DNA double-strand break (DSB) repair. We found that the conserved function of ERCC1/XPF to remove non-homologous sequences at DSBs is a rate-limiting step for homologous recombination in mammalian cells, and more importantly, we uncovered an indispensable role of ERCC1/XPF in repair of DSBs containing DNA secondary structures, including the structure-prone AT-rich DNA sequences derived from common fragile sites and G-quadruplexes (G4s). We also demonstrated a synthetic lethal interaction of XPF with DNA translocase FANCM that is involved in removing DNA secondary structures. Furthermore, inactivation of XPF sensitizes FANCM-deficient cells to G4-interacting compounds. These results suggest an important function of ERCC1/XPF in protecting DNA secondary structures and provide a rationale for targeted treatment of FANCM-deficient tumors through inhibition of XPF.
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Affiliation(s)
- Shibo Li
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Hongyan Lu
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; School of Medicine, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Zi Wang
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA; Biomedical Gerontology Laboratory, Department of Health Science and Social Welfare, School of Human Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
| | - Qing Hu
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Hongjun Wang
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Rong Xiang
- School of Medicine, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Takuya Chiba
- Biomedical Gerontology Laboratory, Department of Health Science and Social Welfare, School of Human Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
| | - Xiaohua Wu
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA.
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49
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Functional Comparison of XPF Missense Mutations Associated to Multiple DNA Repair Disorders. Genes (Basel) 2019; 10:genes10010060. [PMID: 30658521 PMCID: PMC6357085 DOI: 10.3390/genes10010060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 11/23/2022] Open
Abstract
XPF endonuclease is one of the most important DNA repair proteins. Encoded by XPF/ERCC4, XPF provides the enzymatic activity of XPF-ERCC1 heterodimer, an endonuclease that incises at the 5’ side of various DNA lesions. XPF is essential for nucleotide excision repair (NER) and interstrand crosslink repair (ICLR). XPF/ERCC4 mutations are associated with several human diseases: Xeroderma Pigmentosum (XP), Segmental Progeria (XFE), Fanconi Anemia (FA), Cockayne Syndrome (CS), and XP/CS combined disease (XPCSCD). Most affected individuals are compound heterozygotes for XPF/ERCC4 mutations complicating the identification of genotype/phenotype correlations. We report a detailed overview of NER and ICLR functional studies in human XPF-KO (knock-out) isogenic cells expressing six disease-specific pathogenic XPF amino acid substitution mutations. Ultraviolet (UV) sensitivity and unscheduled DNA synthesis (UDS) assays provide the most reliable information to discern mutations associated with ICLR impairment from mutations related to NER deficiency, whereas recovery of RNA synthesis (RRS) assays results hint to a possible role of XPF in resolving R-loops. Our functional studies demonstrate that a defined cellular phenotype cannot be easily correlated to each XPF mutation. Substituted positions along XPF sequences are not predictive of cellular phenotype nor reflect a particular disease. Therefore, in addition to mutation type, allelic interactions, protein stability and intracellular distribution of mutant proteins may also contribute to alter DNA repair pathways balance leading to clinically distinct disorders.
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50
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Nishigori C, Nakano E, Masaki T, Ono R, Takeuchi S, Tsujimoto M, Ueda T. Characteristics of Xeroderma Pigmentosum in Japan: Lessons From Two Clinical Surveys and Measures for Patient Care. Photochem Photobiol 2018; 95:140-153. [PMID: 30565713 DOI: 10.1111/php.13052] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 11/16/2018] [Indexed: 01/18/2023]
Abstract
Xeroderma pigmentosum (XP) is a rare autosomal recessive hereditary disease caused by deficiency in repair of DNA lesions generated by ultraviolet radiation and other compounds. Patients with XP display pigmentary change and numerous skin cancers in sun-exposed sites, and some patients show exaggerated severe sunburns even upon minimum sun exposure as well as neurological symptoms. We conducted a nationwide survey for XP since 1980. In Japan, the frequency of the XP complementation group A is the highest, followed by the variant type; while in the Western countries, those of groups C or D are the highest. Regarding skin cancers in XP, basal cell carcinoma was the most frequent cancer that afflicted patients with XP, followed by squamous cell carcinoma, and malignant melanoma. The frequency of these skin cancers in patients with XP has decreased in these 20 years, and the age of onset of developing skin cancers is higher than those previously observed, owing to early diagnosis and education to patients and care takers on strict prevention from sunlight for patients with XP. On the other hand, the effective therapy for neurological XP has not been established yet, and this needs to be done urgently.
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Affiliation(s)
- Chikako Nishigori
- Department of Dermatology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
| | - Eiji Nakano
- Department of Dermatology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
| | - Taro Masaki
- Department of Dermatology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
| | - Ryusuke Ono
- Department of Dermatology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
| | - Seiji Takeuchi
- Department of Dermatology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
| | - Mariko Tsujimoto
- Department of Dermatology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
| | - Takehiro Ueda
- Division of Neurology, Graduate School of Medicine, Kobe University, Kobe, Hyogo, Japan
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