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Gonzalo-Hansen C, Steurer B, Janssens RC, Zhou D, van Sluis M, Lans H, Marteijn JA. Differential processing of RNA polymerase II at DNA damage correlates with transcription-coupled repair syndrome severity. Nucleic Acids Res 2024; 52:9596-9612. [PMID: 39021334 PMCID: PMC11381366 DOI: 10.1093/nar/gkae618] [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: 12/22/2023] [Revised: 06/25/2024] [Accepted: 07/10/2024] [Indexed: 07/20/2024] Open
Abstract
DNA damage severely impedes gene transcription by RNA polymerase II (Pol II), causing cellular dysfunction. Transcription-Coupled Nucleotide Excision Repair (TC-NER) specifically removes such transcription-blocking damage. TC-NER initiation relies on the CSB, CSA and UVSSA proteins; loss of any results in complete TC-NER deficiency. Strikingly, UVSSA deficiency results in UV-Sensitive Syndrome (UVSS), with mild cutaneous symptoms, while loss of CSA or CSB activity results in the severe Cockayne Syndrome (CS), characterized by neurodegeneration and premature aging. Thus far the underlying mechanism for these contrasting phenotypes remains unclear. Live-cell imaging approaches reveal that in TC-NER proficient cells, lesion-stalled Pol II is swiftly resolved, while in CSA and CSB knockout (KO) cells, elongating Pol II remains damage-bound, likely obstructing other DNA transacting processes and shielding the damage from alternative repair pathways. In contrast, in UVSSA KO cells, Pol II is cleared from the damage via VCP-mediated proteasomal degradation which is fully dependent on the CRL4CSA ubiquitin ligase activity. This Pol II degradation might provide access for alternative repair mechanisms, such as GG-NER, to remove the damage. Collectively, our data indicate that the inability to clear lesion-stalled Pol II from the chromatin, rather than TC-NER deficiency, causes the severe phenotypes observed in CS.
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Affiliation(s)
- Camila Gonzalo-Hansen
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Barbara Steurer
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Roel C Janssens
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Di Zhou
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marjolein van Sluis
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Hannes Lans
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Jurgen A Marteijn
- Department of Molecular Genetics, Oncode Institute, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
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2
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Abugable AA, Antar S, El-Khamisy SF. Chromosomal single-strand break repair and neurological disease: Implications on transcription and emerging genomic tools. DNA Repair (Amst) 2024; 135:103629. [PMID: 38266593 DOI: 10.1016/j.dnarep.2024.103629] [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: 10/14/2023] [Revised: 12/21/2023] [Accepted: 01/04/2024] [Indexed: 01/26/2024]
Abstract
Cells are constantly exposed to various sources of DNA damage that pose a threat to their genomic integrity. One of the most common types of DNA breaks are single-strand breaks (SSBs). Mutations in the repair proteins that are important for repairing SSBs have been reported in several neurological disorders. While several tools have been utilised to investigate SSBs in cells, it was only through recent advances in genomics that we are now beginning to understand the architecture of the non-random distribution of SSBs and their impact on key cellular processes such as transcription and epigenetic remodelling. Here, we discuss our current understanding of the genome-wide distribution of SSBs, their link to neurological disorders and summarise recent technologies to investigate SSBs at the genomic level.
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Affiliation(s)
- Arwa A Abugable
- School of Biosciences, Firth Court, University of Sheffield, Sheffield, UK; The healthy Lifespan and Neuroscience Institutes, University of Sheffield, Sheffield, UK
| | - Sarah Antar
- School of Biosciences, Firth Court, University of Sheffield, Sheffield, UK; The healthy Lifespan and Neuroscience Institutes, University of Sheffield, Sheffield, UK; Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Mansoura University, Egypt
| | - Sherif F El-Khamisy
- School of Biosciences, Firth Court, University of Sheffield, Sheffield, UK; The healthy Lifespan and Neuroscience Institutes, University of Sheffield, Sheffield, UK; Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Bradford, UK.
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3
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Cieślak M, Karwowski BT. The Effect of 8,5'-Cyclo 2'-deoxyadenosine on the Activity of 10-23 DNAzyme: Experimental and Theoretical Study. Int J Mol Sci 2024; 25:2519. [PMID: 38473767 DOI: 10.3390/ijms25052519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
The in vivo effectiveness of DNAzymes 10-23 (Dz10-23) is limited due to the low concentration of divalent cations. Modifications of the catalytic loop are being sought to increase the activity of Dz10-23 in physiological conditions. We investigated the effect of 5'S or 5'R 5',8-cyclo-2'deoxyadenosine (cdA) on the activity of Dz10-23. The activity of Dz10-23 was measured in a cleavage assay using radiolabeled RNA. The Density Functional Tight Binding methodology with the self-consistent redistribution of Mulliken charge modification was used to explain different activities of DNAzymes. The substitution of 2'-deoxyadenosine with cdA in the catalytic loop decreased the activity of DNAzymes. Inhibition was dependent on the position of cdA and its absolute configuration. The order of activity of DNAzymes was as follows: wt-Dz > ScdA5-Dz ≈ RcdA15-Dz ≈ ScdA15-Dz > RcdA5-Dz. Theoretical studies revealed that the distance between phosphate groups at position 5 in RcdA5-Dz was significantly increased compared to wt-Dz, while the distance between O4 of dT4 and nonbonding oxygen of PO2 attached to 3'O of dG2 was much shorter. The strong inhibitory effect of RcdA5 may result from hampering the flexibility of the catalytic loop (increased rigidity), which is required for the proper positioning of Me2+ and optimal activity.
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Affiliation(s)
- Marcin Cieślak
- Food Science Department, Faculty of Pharmacy, Medical University of Lodz, ul. Muszynskiego 1, 90-151 Lodz, Poland
| | - Bolesław T Karwowski
- Food Science Department, Faculty of Pharmacy, Medical University of Lodz, ul. Muszynskiego 1, 90-151 Lodz, Poland
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Robeska E, Lalanne K, Vianna F, Sutcu HH, Khobta A, Busso D, Radicella JP, Campalans A, Baldeyron C. Targeted nuclear irradiation with a proton microbeam induces oxidative DNA base damage and triggers the recruitment of DNA glycosylases OGG1 and NTH1. DNA Repair (Amst) 2024; 133:103610. [PMID: 38101146 DOI: 10.1016/j.dnarep.2023.103610] [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: 04/21/2023] [Revised: 11/10/2023] [Accepted: 11/30/2023] [Indexed: 12/17/2023]
Abstract
DNA is the major target of radiation therapy of malignant tumors. Ionizing radiation (IR) induces a variety of DNA lesions, including chemically modified bases and strand breaks. The use of proton beam therapy for cancer treatment is ramping up, as it is expected to reduce normal tissue damage. Thus, it is important to understand the molecular mechanisms of recognition, signaling, and repair of DNA damage induced by protons in the perspective of assessing not only the risk associated with human exposure to IR but also the possibility to improve the efficacy of therapy. Here, we used targeted irradiation of nuclear regions of living cells with controlled number of protons at a high spatio-temporal resolution to detect the induced base lesions and characterize the recruitment kinetics of the specific DNA glycosylases to DNA damage sites. We show that localized irradiation with 4 MeV protons induces, in addition to DNA double strand breaks (DSBs), the oxidized bases 7,8-dihydro-8-oxoguanine (8-oxoG) and thymine glycol (TG) at the site of irradiation. Consistently, the DNA glycosylases OGG1 and NTH1, capable of excising 8-oxoG and TG, respectively, and initiating the base excision repair (BER) pathway, are recruited to the site of damage. To our knowledge, this is the first direct evidence indicating that proton microbeams induce oxidative base damage, and thus implicating BER in the repair of DNA lesions induced by protons.
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Affiliation(s)
- Elena Robeska
- Université Paris-Saclay, iRCM/IBFJ, CEA, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France; Université Paris Cité, iRCM/IBFJ, CEA, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France
| | - Kévin Lalanne
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE/SDOS/LMDN, Cadarache, F-13115 Saint-Paul-Lez-Durance, France
| | - François Vianna
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE/SDOS/LMDN, Cadarache, F-13115 Saint-Paul-Lez-Durance, France
| | - Haser Hasan Sutcu
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE/SERAMED/LRAcc, F-92262 Fontenay aux Roses, France
| | - Andriy Khobta
- Institute of Nutritional Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Didier Busso
- Université Paris Cité et Université Paris-Saclay, INSERM, CEA, iRCM/IBFJ, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France
| | - J Pablo Radicella
- Université Paris-Saclay, iRCM/IBFJ, CEA, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France; Université Paris Cité, iRCM/IBFJ, CEA, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France
| | - Anna Campalans
- Université Paris-Saclay, iRCM/IBFJ, CEA, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France; Université Paris Cité, iRCM/IBFJ, CEA, Genetic Stability, Stem Cells and Radiation, F-92260 Fontenay-aux-Roses, France.
| | - Céline Baldeyron
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE/SERAMED/LRAcc, F-92262 Fontenay aux Roses, France.
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Moccia M, Pascucci B, Saviano M, Cerasa MT, Terzidis MA, Chatgilialoglu C, Masi A. Advances in Nucleic Acid Research: Exploring the Potential of Oligonucleotides for Therapeutic Applications and Biological Studies. Int J Mol Sci 2023; 25:146. [PMID: 38203317 PMCID: PMC10778772 DOI: 10.3390/ijms25010146] [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: 11/07/2023] [Revised: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
In recent years, nucleic acids have emerged as powerful biomaterials, revolutionizing the field of biomedicine. This review explores the multifaceted applications of nucleic acids, focusing on their pivotal role in various biomedical applications. Nucleic acids, including deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), possess unique properties such as molecular recognition ability, programmability, and ease of synthesis, making them versatile tools in biosensing and for gene regulation, drug delivery, and targeted therapy. Their compatibility with chemical modifications enhances their binding affinity and resistance to degradation, elevating their effectiveness in targeted applications. Additionally, nucleic acids have found utility as self-assembling building blocks, leading to the creation of nanostructures whose high order underpins their enhanced biological stability and affects the cellular uptake efficiency. Furthermore, this review delves into the significant role of oligonucleotides (ODNs) as indispensable tools for biological studies and biomarker discovery. ODNs, short sequences of nucleic acids, have been instrumental in unraveling complex biological mechanisms. They serve as probes for studying gene expression, protein interactions, and cellular pathways, providing invaluable insights into fundamental biological processes. By examining the synergistic interplay between nucleic acids as powerful biomaterials and ODNs as indispensable tools for biological studies and biomarkers, this review highlights the transformative impact of these molecules on biomedical research. Their versatile applications not only deepen our understanding of biological systems but also are the driving force for innovation in diagnostics and therapeutics, ultimately advancing the field of biomedicine.
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Affiliation(s)
- Maria Moccia
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Strada Provinciale 35d, n. 9, 00010 Montelibretti, Italy; (M.M.); (B.P.)
| | - Barbara Pascucci
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Strada Provinciale 35d, n. 9, 00010 Montelibretti, Italy; (M.M.); (B.P.)
| | - Michele Saviano
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, URT Caserta, Via Vivaldi 43, 81100 Caserta, Italy;
| | - Maria Teresa Cerasa
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Via Giovanni Amendola 122/O, 70126 Bari, Italy;
| | - Michael A. Terzidis
- Laboratory of Chemical Biology, Department of Nutritional Sciences and Dietetics, Sindos Campus, International Hellenic University, 57400 Thessaloniki, Greece;
| | - Chryssostomos Chatgilialoglu
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche, 40129 Bologna, Italy;
- Center of Advanced Technologies, Adam Mickiewicz University, 61-712 Poznań, Poland
| | - Annalisa Masi
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Strada Provinciale 35d, n. 9, 00010 Montelibretti, Italy; (M.M.); (B.P.)
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Kim DV, Diatlova EA, Zharkov TD, Melentyev VS, Yudkina AV, Endutkin AV, Zharkov DO. Back-Up Base Excision DNA Repair in Human Cells Deficient in the Major AP Endonuclease, APE1. Int J Mol Sci 2023; 25:64. [PMID: 38203235 PMCID: PMC10778768 DOI: 10.3390/ijms25010064] [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: 11/15/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Apurinic/apyrimidinic (AP) sites are abundant DNA lesions generated both by spontaneous base loss and as intermediates of base excision DNA repair. In human cells, they are normally repaired by an essential AP endonuclease, APE1, encoded by the APEX1 gene. Other enzymes can cleave AP sites by either hydrolysis or β-elimination in vitro, but it is not clear whether they provide the second line of defense in living cells. Here, we studied AP site repairs in APEX1 knockout derivatives of HEK293FT cells using a reporter system based on transcriptional mutagenesis in the enhanced green fluorescent protein gene. Despite an apparent lack of AP site-processing activity in vitro, the cells efficiently repaired the tetrahydrofuran AP site analog resistant to β-elimination. This ability persisted even when the second AP endonuclease homolog, APE2, was also knocked out. Moreover, APEX1 null cells were able to repair uracil, a DNA lesion that is removed via the formation of an AP site. If AP site hydrolysis was chemically blocked, the uracil repair required the presence of NTHL1, an enzyme that catalyzes β-elimination. Our results suggest that human cells possess at least two back-up AP site repair pathways, one of which is NTHL1-dependent.
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Affiliation(s)
- Daria V. Kim
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
| | - Evgeniia A. Diatlova
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
| | - Timofey D. Zharkov
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
| | - Vasily S. Melentyev
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
| | - Anna V. Yudkina
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
| | - Anton V. Endutkin
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
| | - Dmitry O. Zharkov
- Siberian Branch of the Russian Academy of Sciences Institute of Chemical Biology and Fundamental Medicine, 8 Lavrentieva Ave., 630090 Novosibirsk, Russia; (D.V.K.); (E.A.D.); (T.D.Z.); (V.S.M.); (A.V.Y.); (A.V.E.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
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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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