1
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Bayat L, Abbasi S, Balasuriya N, Schild-Poulter C. Critical residues in the Ku70 von Willebrand A domain mediate Ku interaction with the LigIV-XRCC4 complex in non-homologous end-joining. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119815. [PMID: 39151475 DOI: 10.1016/j.bbamcr.2024.119815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 08/02/2024] [Accepted: 08/09/2024] [Indexed: 08/19/2024]
Abstract
The Ku heterodimer (Ku70/Ku80) is central to the non-homologous end-joining (NHEJ) pathway. Ku binds to the broken DNA ends and promotes the assembly of the DNA repair complex. The N-terminal Ku70 von Willebrand A (vWA) domain is known to mediate protein-protein interactions important for the repair process. In particular, the D192 and D195 residues within helix 5 of the Ku70 vWA domain were shown to be essential for NHEJ function, although the precise role of these residues was not identified. Here, we set up a miniTurbo screening system to identify Ku70 D192/D195 residue-specific interactors in a conditional, human Ku70-knockout cell line in response to DNA damage. Using fusion protein constructs of Ku70 wild-type and mutant (D192A/D195R) with miniTurbo, we identified a number of candidate proximal interactors in response to DNA damage treatment, including DNA Ligase IV (LigIV), a known and essential NHEJ complex member. Interestingly, LigIV was enriched in our wildtype screen but not the Ku70 D192A/D195R screen, suggesting its interaction is disrupted by the mutation. Validation experiments demonstrated that the DNA damage-induced interaction between Ku70 and LigIV was disrupted by the Ku70 D192A/D195R mutations. Our findings provide greater detail about the interaction surface between the Ku70 vWA domain and LigIV and offer strong evidence that the D192 and D195 residues are important for NHEJ completion through an interaction with LigIV. Altogether, this work reveals novel potential proximal interactors of Ku in response to DNA damage and identifies Ku70 D192/D195 residues as essential for LigIV interaction with Ku during NHEJ.
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Affiliation(s)
- Laila Bayat
- Robarts Research Institute and Department of Biochemistry, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON N6A 5B7, Canada
| | - Sanna Abbasi
- Robarts Research Institute and Department of Biochemistry, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON N6A 5B7, Canada
| | - Nileeka Balasuriya
- Robarts Research Institute and Department of Biochemistry, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON N6A 5B7, Canada
| | - Caroline Schild-Poulter
- Robarts Research Institute and Department of Biochemistry, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON N6A 5B7, Canada.
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2
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Feijs-Žaja KLH, Ikenga NJ, Žaja R. Pathological and physiological roles of ADP-ribosylation: established functions and new insights. Biol Chem 2024:hsz-2024-0057. [PMID: 39066732 DOI: 10.1515/hsz-2024-0057] [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: 04/12/2024] [Accepted: 07/09/2024] [Indexed: 07/30/2024]
Abstract
The posttranslational modification of proteins with poly(ADP-ribose) was discovered in the sixties. Since then, we have learned that the enzymes involved, the so-called poly(ADP-ribosyl)polymerases (PARPs), are transferases which use cofactor NAD+ to transfer ADP-ribose to their targets. Few PARPs are able to create poly(ADP-ribose), whereas the majority transfers a single ADP-ribose. In the last decade, hydrolases were discovered which reverse mono(ADP-ribosyl)ation, detection methods were developed and new substrates were defined, including nucleic acids. Despite the continued effort, relatively little is still known about the biological function of most PARPs. In this review, we summarise key functions of ADP-ribosylation and introduce emerging insights.
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Affiliation(s)
- Karla L H Feijs-Žaja
- 9165 Institute of Biochemistry and Molecular Biology, RWTH Aachen University , Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Nonso J Ikenga
- 9165 Institute of Biochemistry and Molecular Biology, RWTH Aachen University , Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Roko Žaja
- 9165 Institute of Biochemistry and Molecular Biology, RWTH Aachen University , Pauwelsstrasse 30, D-52074 Aachen, Germany
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3
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Wu H, Lu A, Yuan J, Yu Y, Lv C, Lu J. Mono-ADP-ribosylation, a MARylationmultifaced modification of protein, DNA and RNA: characterizations, functions and mechanisms. Cell Death Discov 2024; 10:226. [PMID: 38734665 PMCID: PMC11088682 DOI: 10.1038/s41420-024-01994-5] [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: 12/19/2023] [Revised: 04/23/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
The functional alterations of proteins and nucleic acids mainly rely on their modifications. ADP-ribosylation is a NAD+-dependent modification of proteins and, in some cases, of nucleic acids. This modification is broadly categorized as Mono(ADP-ribosyl)ation (MARylation) or poly(ADP-ribosyl)ation (PARylation). MARylation catalyzed by mono(ADP-ribosyl) transferases (MARTs) is more common in cells and the number of MARTs is much larger than poly(ADP-ribosyl) transferases. Unlike PARylation is well-characterized, research on MARylation is at the starting stage. However, growing evidence demonstrate the cellular functions of MARylation, supporting its potential roles in human health and diseases. In this review, we outlined MARylation-associated proteins including MARTs, the ADP-ribosyl hydrolyses and ADP-ribose binding domains. We summarized up-to-date findings about MARylation onto newly identified substrates including protein, DNA and RNA, and focused on the functions of these reactions in pathophysiological conditions as well as speculated the potential mechanisms. Furthermore, new strategies of MARylation detection and the current state of MARTs inhibitors were discussed. We also provided an outlook for future study, aiming to revealing the unknown biological properties of MARylation and its relevant mechanisms, and establish a novel therapeutic perspective in human diseases.
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Affiliation(s)
- Hao Wu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Anqi Lu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Jiuzhi Yuan
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yang Yu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Chongning Lv
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
- Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China
| | - Jincai Lu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China.
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4
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Gohil D, Sarker AH, Roy R. Base Excision Repair: Mechanisms and Impact in Biology, Disease, and Medicine. Int J Mol Sci 2023; 24:14186. [PMID: 37762489 PMCID: PMC10531636 DOI: 10.3390/ijms241814186] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Base excision repair (BER) corrects forms of oxidative, deamination, alkylation, and abasic single-base damage that appear to have minimal effects on the helix. Since its discovery in 1974, the field has grown in several facets: mechanisms, biology and physiology, understanding deficiencies and human disease, and using BER genes as potential inhibitory targets to develop therapeutics. Within its segregation of short nucleotide (SN-) and long patch (LP-), there are currently six known global mechanisms, with emerging work in transcription- and replication-associated BER. Knockouts (KOs) of BER genes in mouse models showed that single glycosylase knockout had minimal phenotypic impact, but the effects were clearly seen in double knockouts. However, KOs of downstream enzymes showed critical impact on the health and survival of mice. BER gene deficiency contributes to cancer, inflammation, aging, and neurodegenerative disorders. Medicinal targets are being developed for single or combinatorial therapies, but only PARP and APE1 have yet to reach the clinical stage.
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Affiliation(s)
- Dhara Gohil
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA;
| | - Altaf H. Sarker
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;
| | - Rabindra Roy
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA;
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5
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Duma L, Ahel I. The function and regulation of ADP-ribosylation in the DNA damage response. Biochem Soc Trans 2023; 51:995-1008. [PMID: 37171085 PMCID: PMC10317172 DOI: 10.1042/bst20220749] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/27/2023] [Accepted: 05/02/2023] [Indexed: 05/13/2023]
Abstract
ADP-ribosylation is a post-translational modification involved in DNA damage response (DDR). In higher organisms it is synthesised by PARP 1-3, DNA strand break sensors. Recent advances have identified serine residues as the most common targets for ADP-ribosylation during DDR. To ADP-ribosylate serine, PARPs require an accessory factor, HPF1 which completes the catalytic domain. Through ADP-ribosylation, PARPs recruit a variety of factors to the break site and control their activities. However, the timely removal of ADP-ribosylation is also key for genome stability and is mostly performed by two hydrolases: PARG and ARH3. Here, we describe the key writers, readers and erasers of ADP-ribosylation and their contribution to the mounting of the DDR. We also discuss the use of PARP inhibitors in cancer therapy and the ways to tackle PARPi treatment resistance.
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Affiliation(s)
- Lena Duma
- Sir William Dunn School of Pathology, University of Oxford, Oxford, U.K
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, U.K
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6
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Svetlova M, Solovjeva L, Kropotov A, Nikiforov A. The Impact of NAD Bioavailability on DNA Double-Strand Break Repair Capacity in Human Dermal Fibroblasts after Ionizing Radiation. Cells 2023; 12:1518. [PMID: 37296639 PMCID: PMC10252650 DOI: 10.3390/cells12111518] [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: 05/03/2023] [Revised: 05/25/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Nicotinamide adenine dinucleotide (NAD) serves as a substrate for protein deacetylases sirtuins and poly(ADP-ribose) polymerases, which are involved in the regulation of DNA double-strand break (DSB) repair molecular machinery by various mechanisms. However, the impact of NAD bioavailability on DSB repair remains poorly characterized. Herein, using immunocytochemical analysis of γH2AX, a marker for DSB, we investigated the effect of the pharmacological modulation of NAD levels on DSB repair capacity in human dermal fibroblasts exposed to moderate doses of ionizing radiation (IR). We demonstrated that NAD boosting with nicotinamide riboside did not affect the efficiency of DSB elimination after the exposure of cells to IR at 1 Gy. Moreover, even after irradiation at 5 Gy, we did not observe any decrease in intracellular NAD content. We also showed that, when the NAD pool was almost completely depleted by inhibition of its biosynthesis from nicotinamide, cells were still able to eliminate IR-induced DSB, though the activation of ATM kinase, its colocalization with γH2AX and DSB repair capacity were reduced in comparison to cells with normal NAD levels. Our results suggest that NAD-dependent processes, such as protein deacetylation and ADP-ribosylation, are important but not indispensable for DSB repair induced by moderate doses of IR.
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Affiliation(s)
- Maria Svetlova
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (L.S.); (A.K.)
| | | | | | - Andrey Nikiforov
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (L.S.); (A.K.)
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7
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Ukraintsev A, Kutuzov M, Belousova E, Joyeau M, Golyshev V, Lomzov A, Lavrik O. PARP3 Affects Nucleosome Compaction Regulation. Int J Mol Sci 2023; 24:ijms24109042. [PMID: 37240388 DOI: 10.3390/ijms24109042] [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: 03/10/2023] [Revised: 05/12/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Genome compaction is one of the important subject areas for understanding the mechanisms regulating genes' expression and DNA replication and repair. The basic unit of DNA compaction in the eukaryotic cell is the nucleosome. The main chromatin proteins responsible for DNA compaction have already been identified, but the regulation of chromatin architecture is still extensively studied. Several authors have shown an interaction of ARTD proteins with nucleosomes and proposed that there are changes in the nucleosomes' structure as a result. In the ARTD family, only PARP1, PARP2, and PARP3 participate in the DNA damage response. Damaged DNA stimulates activation of these PARPs, which use NAD+ as a substrate. DNA repair and chromatin compaction need precise regulation with close coordination between them. In this work, we studied the interactions of these three PARPs with nucleosomes by atomic force microscopy, which is a powerful method allowing for direct measurements of geometric characteristics of single molecules. Using this method, we evaluated perturbations in the structure of single nucleosomes after the binding of a PARP. We demonstrated here that PARP3 significantly alters the geometry of nucleosomes, possibly indicating a new function of PARP3 in chromatin compaction regulation.
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Affiliation(s)
- Alexander Ukraintsev
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Mikhail Kutuzov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Ekaterina Belousova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Marie Joyeau
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Victor Golyshev
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Alexander Lomzov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Olga Lavrik
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
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8
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Yi XF, Gao RL, Sun L, Wu ZX, Zhang SL, Huang LT, Han CB, Ma JT. Dual antitumor immunomodulatory effects of PARP inhibitor on the tumor microenvironment: A counterbalance between anti-tumor and pro-tumor. Biomed Pharmacother 2023; 163:114770. [PMID: 37105074 DOI: 10.1016/j.biopha.2023.114770] [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: 01/31/2023] [Revised: 04/10/2023] [Accepted: 04/22/2023] [Indexed: 04/29/2023] Open
Abstract
Poly (ADP-ribose)-polymerases (PARPs) play an essential role in the maintenance of genome integrity, DNA repair, and apoptosis. PARP inhibitors (PARPi) exert antitumor effects via synthetic lethality and PARP trapping. PARPi impact the antitumor immune response by modulating the tumor microenvironment, and their effect has dual properties of promoting and inhibiting the antitumor immune response. PARPi promote M1 macrophage polarization, antigen presentation by dendritic cells, infiltration of B and T cells and their killing capacity and inhibit tumor angiogenesis. PARPi can also inhibit the activation and function of immune cells by upregulating PD-L1. In this review, we summarize the dual immunomodulatory effects and possible underlying mechanisms of PARPi, providing a basis for the design of combination regimens for clinical treatment and the identification of populations who may benefit from these therapies.
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Affiliation(s)
- Xiao-Fang Yi
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ruo-Lin Gao
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Li Sun
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhi-Xuan Wu
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shu-Ling Zhang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Le-Tian Huang
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Cheng-Bo Han
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China.
| | - Jie-Tao Ma
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, China.
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9
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De Bragança S, Aicart-Ramos C, Arribas-Bosacoma R, Rivera-Calzada A, Unfried JP, Prats-Mari L, Marin-Baquero M, Fortes P, Llorca O, Moreno-Herrero F. APLF and long non-coding RNA NIHCOLE promote stable DNA synapsis in non-homologous end joining. Cell Rep 2023; 42:111917. [PMID: 36640344 DOI: 10.1016/j.celrep.2022.111917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 10/26/2022] [Accepted: 12/13/2022] [Indexed: 01/01/2023] Open
Abstract
The synapsis of DNA ends is a critical step for the repair of double-strand breaks by non-homologous end joining (NHEJ). This is performed by a multicomponent protein complex assembled around Ku70-Ku80 heterodimers and regulated by accessory factors, including long non-coding RNAs, through poorly understood mechanisms. Here, we use magnetic tweezers to investigate the contributions of core NHEJ proteins and APLF and lncRNA NIHCOLE to DNA synapsis. APLF stabilizes DNA end bridging and, together with Ku70-Ku80, establishes a minimal complex that supports DNA synapsis for several minutes under piconewton forces. We find the C-terminal acidic region of APLF to be critical for bridging. NIHCOLE increases the dwell time of the synapses by Ku70-Ku80 and APLF. This effect is further enhanced by a small and structured RNA domain within NIHCOLE. We propose a model where Ku70-Ku80 can simultaneously bind DNA, APLF, and structured RNAs to promote the stable joining of DNA ends.
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Affiliation(s)
- Sara De Bragança
- Department of Macromolecular Structures, Centro Nacional de Biotecnología (CNB), CSIC, Madrid, Spain
| | - Clara Aicart-Ramos
- Department of Macromolecular Structures, Centro Nacional de Biotecnología (CNB), CSIC, Madrid, Spain
| | - Raquel Arribas-Bosacoma
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, UK
| | - Angel Rivera-Calzada
- Structural Biology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Juan Pablo Unfried
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel; Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona, Spain
| | - Laura Prats-Mari
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona, Spain
| | - Mikel Marin-Baquero
- Department of Macromolecular Structures, Centro Nacional de Biotecnología (CNB), CSIC, Madrid, Spain
| | - Puri Fortes
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona, Spain; Navarra Institute for Health Research (IdiSNA), Pamplona, Spain; Liver and Digestive Diseases Networking Biomedical Research Centre (CIBERehd), Spanish Network for Advanced Therapies (TERAV ISCIII), Madrid, Spain
| | - Oscar Llorca
- Structural Biology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain.
| | - Fernando Moreno-Herrero
- Department of Macromolecular Structures, Centro Nacional de Biotecnología (CNB), CSIC, Madrid, Spain.
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10
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Chang Y, Huang Z, Quan H, Li H, Yang S, Song Y, Wang J, Yuan J, Wu C. Construction of a DNA damage repair gene signature for predicting prognosis and immune response in breast cancer. Front Oncol 2023; 12:1085632. [PMID: 36713553 PMCID: PMC9875088 DOI: 10.3389/fonc.2022.1085632] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 12/13/2022] [Indexed: 01/13/2023] Open
Abstract
DNA damage repair (DDR) genes are involved in developing breast cancer. Recently, a targeted therapeutic strategy through DNA repair machinery, including PARPi, has initially shown broad development and application prospects in breast cancer therapy. However, few studies that focused on the correlation between the expression level of DNA repair genes, prognosis, and immune response in breast cancer patients have been recently conducted. Herein, we focused on identifying differentially expressed DNA repair genes (DEGs) in breast cancer specimens and normal samples using the Wilcoxon rank-sum test. Biofunction enrichment analysis was performed with DEGs using the R software "cluster Profiler" package. DNA repair genes were involved in multivariate and univariate Cox regression analyses. After the optimization by AIC value, 11 DNA repair genes were sorted as prognostic DNA repair genes for breast cancer patients to calculate risk scores. Simultaneously, a nomogram was used to represent the prognostic model, which was validated using a calibration curve and C-index. Single-sample gene set enrichment analysis (ssGSEA), CIBERSORT algorithms, and ESTIMATE scores were applied to evaluate the immune filtration of tumor samples. Subsequently, anticarcinogen sensitivity analysis was performed using the R software "pRRophetic" package. Unsupervised clustering was used to excavate the correlation between the expression level of prognostic-significant DNA repair genes and clinical features. In summary, 56 DEGs were sorted, and their potential enriched biofunction pathways were revealed. In total, 11 DNA repair genes (UBE2A, RBBP8, RAD50 , FAAP20, RPA3, ENDOV, DDB2, UBE2V2, MRE11 , RRM2B, and PARP3 ) were preserved as prognostic genes to estimate risk score, which was applied to establish the prognostic model and stratified breast cancer patients into two groups with high or low risk. The calibration curve and C-index indicated that they reliably predicted the survival of breast cancer patients. Immune filtration analysis, anticarcinogen sensitivity analysis, and unsupervised clustering were applied to reveal the character of DNA repair genes between low- and high-risk groups. We identified 11 prognosis-significant DNA repair genes to establish prediction models and immune responses in breast cancer patients.
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Affiliation(s)
- Yiming Chang
- Jinzhou Medical University, Shanghai East Hospital, Shanghai, China
| | - Zhiyuan Huang
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hong Quan
- Department of Breast Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hui Li
- Department of Gynaecology and Obstetrics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shuo Yang
- Department of Medical Imaging, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yifei Song
- Department of Biochemistry and Molecular Biology, Tongji University School of Medicine, Shanghai, China
| | - Jian Wang
- Department of Pharmacy, Shanghai Pudong New Area People's Hospital, Shanghai, China,*Correspondence: Jian Yuan, ; Chenming Wu, ; Jian Wang,
| | - Jian Yuan
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China,Department of Biochemistry and Molecular Biology, Tongji University School of Medicine, Shanghai, China,Ji’an Hospital, Shanghai East Hospital, Ji’an, China,*Correspondence: Jian Yuan, ; Chenming Wu, ; Jian Wang,
| | - Chenming Wu
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China,*Correspondence: Jian Yuan, ; Chenming Wu, ; Jian Wang,
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11
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Löffler T, Krüger A, Zirak P, Winterhalder MJ, Müller AL, Fischbach A, Mangerich A, Zumbusch A. Influence of chain length and branching on poly(ADP-ribose)-protein interactions. Nucleic Acids Res 2023; 51:536-552. [PMID: 36625274 PMCID: PMC9881148 DOI: 10.1093/nar/gkac1235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/16/2022] [Accepted: 12/10/2022] [Indexed: 01/11/2023] Open
Abstract
Hundreds of proteins interact with poly(ADP-ribose) (PAR) via multiple PAR interaction motifs, thereby regulating their physico-chemical properties, sub-cellular localizations, enzymatic activities, or protein stability. Here, we present a targeted approach based on fluorescence correlation spectroscopy (FCS) to characterize potential structure-specific interactions of PAR molecules of defined chain length and branching with three prime PAR-binding proteins, the tumor suppressor protein p53, histone H1, and the histone chaperone APLF. Our study reveals complex and structure-specific PAR-protein interactions. Quantitative Kd values were determined and binding affinities for all three proteins were shown to be in the nanomolar range. We report PAR chain length dependent binding of p53 and H1, yet chain length independent binding of APLF. For all three PAR binders, we found a preference for linear over hyperbranched PAR. Importantly, protein- and PAR-structure-specific binding modes were revealed. Thus, while the H1-PAR interaction occurred largely on a bi-molecular 1:1 basis, p53-and potentially also APLF-can form complex multivalent PAR-protein structures. In conclusion, our study gives detailed and quantitative insight into PAR-protein interactions in a solution-based setting at near physiological buffer conditions. The results support the notion of protein and PAR-structure-specific binding modes that have evolved to fit the purpose of the respective biochemical functions and biological contexts.
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Affiliation(s)
| | | | - Peyman Zirak
- Department of Chemistry, Universität Konstanz, Konstanz D-78457, Germany
| | | | - Anna-Lena Müller
- Department of Chemistry, Universität Konstanz, Konstanz D-78457, Germany
| | - Arthur Fischbach
- Department of Biology, Universität Konstanz, Konstanz D-78457, Germany
| | - Aswin Mangerich
- To whom correspondence should be addressed. Tel: +49 33200 88 5301;
| | - Andreas Zumbusch
- Correspondence may also be addressed to Andreas Zumbusch. Tel: +49 7531 882027;
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12
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Koczor CA, Saville KM, Al-Rahahleh RQ, Andrews JF, Li J, Sobol RW. Quantitative Analysis of Nuclear Poly(ADP-Ribose) Dynamics in Response to Laser-Induced DNA Damage. Methods Mol Biol 2023; 2609:43-59. [PMID: 36515828 PMCID: PMC9920208 DOI: 10.1007/978-1-0716-2891-1_3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Poly(ADP-ribose) (PAR), catalyzed by members of the poly(ADP-ribose) polymerase family of enzymes, is a posttranslational modification with a critical role in most mechanisms of DNA repair. Upon activation of poly(ADP-ribose) polymerase isoforms 1 and 2 (PARP-1 and PARP-2), the proteins of the base excision repair (BER) and single-strand break repair (SSBR) pathways form DNA lesion-dependent, transient complexes to facilitate repair. PAR is central to the temporal dynamics of BER/SSBR complex assembly and disassembly. To enhance cellular PAR analysis, we developed LivePAR, a fluorescently tagged PAR-binding fusion protein and genetically encoded imaging probe for live cell, quantitative analysis of PAR in mammalian cells. LivePAR has the advantage that it enables real-time imaging of PAR formation in cells and significantly overcomes limitations of immunocytochemistry for PAR analysis. This chapter describes the protocols needed to develop cells expressing LivePAR or EGFP-tagged BER proteins and to evaluate laser-induced formation of PAR and comparison to the assembly of the BER proteins XRCC1 and DNA polymerase-β.
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Affiliation(s)
- Christopher A Koczor
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Kate M Saville
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Rasha Q Al-Rahahleh
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA
- Department of Pathology and Laboratory Medicine & Legorreta Cancer Center, Brown University, Providence, RI, USA
| | - Joel F Andrews
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
| | - Jianfeng Li
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Robert W Sobol
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA.
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA.
- Department of Pathology and Laboratory Medicine & Legorreta Cancer Center, Brown University, Providence, RI, USA.
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13
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Amé JC, Nguekeu-Zebase L, Harwood D, Yildirim Z, Roegel L, Boos A, Dantzer F. Purification of Recombinant Human PARP-3. Methods Mol Biol 2022; 2609:419-441. [PMID: 36515851 DOI: 10.1007/978-1-0716-2891-1_26] [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] [Indexed: 12/15/2022]
Abstract
The purification of poly(ADP-ribose) polymerase-3 (PARP-3) from overexpressing cells (Sf9 insect cells, Escherichia coli) has been updated to a fast and reproducible two-chromatographic-step protocol. After cell lysis, PARP-3 protein from the crude extract is affinity purified on a 3-aminobenzamide Sepharose™ chromatographic step. The last contaminants and the 3-methoxybenzamide used to elute PARP-3 from the previous affinity column are removed on the high-performance strong cation exchanger MonoQ™ matrix. This step allows also the concentration of the protein. The columns connected to an A° KTA™ purifier system allow the purification of the protein in three days with a high-yield recovery. As described in the protocol, more than 3 mg of pure and active human PARP-3 can be obtained from 1.5 L of E. coli culture.
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Affiliation(s)
- Jean-Christophe Amé
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France.
| | - Leonel Nguekeu-Zebase
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France
| | - Daisy Harwood
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France
| | - Zuleyha Yildirim
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France
| | - Lisa Roegel
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France
| | - Agathe Boos
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France
| | - Françoise Dantzer
- Groupe Poly (ADP-ribosyl)ation et Intégrité du Génome, UMR7242 du CNRS É cole Supérieure de Biotechnologie de Strasbourg Parc d'innovation, Illkirch Cedex, France
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14
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Li R, Luo R, Luo Y, Hou Y, Wang J, Zhang Q, Chen X, Hu L, Zhou J. Biological function, mediate cell death pathway and their potential regulated mechanisms for post-mortem muscle tenderization of PARP1: A review. Front Nutr 2022; 9:1093939. [PMID: 36590225 PMCID: PMC9797534 DOI: 10.3389/fnut.2022.1093939] [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: 11/09/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Tenderness is a key attribute of meat quality that affects consumers' willingness to purchase meat. Changes in the physiological environment of skeletal muscles following slaughter can disrupt the balance of redox homeostasis and may lead to cell death. Excessive accumulation of reactive oxygen species (ROS) in the myocytes causes DNA damage and activates poly ADP-ribose polymerase 1 (PARP1), which is involved in different intracellular metabolic pathways and is known to affect muscle tenderness during post-slaughter maturation. There is an urgent requirement to summarize the related research findings. Thus, this paper reviews the current research on the protein structure of PARP1 and its metabolism and activation, outlines the mechanisms underlying the function of PARP1 in regulating muscle tenderness through cysteine protease 3 (Caspase-3), oxidative stress, heat shock proteins (HSPs), and energy metabolism. In addition, we describe the mechanisms of PARP1 in apoptosis and necrosis pathways to provide a theoretical reference for enhancing the mature technology of post-mortem muscle tenderization.
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Affiliation(s)
- Rong Li
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China
| | - Ruiming Luo
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China
| | - Yulong Luo
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China,*Correspondence: Yulong Luo,
| | - Yanru Hou
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China
| | - Jinxia Wang
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China
| | - Qian Zhang
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China
| | - Xueyan Chen
- School of Food and Wine, Ningxia University, Yinchuan, China,National R & D Center for Mutton Processing, Yinchuan, China
| | - Lijun Hu
- School of Food and Wine, Ningxia University, Yinchuan, China
| | - Julong Zhou
- School of Food and Wine, Ningxia University, Yinchuan, China
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15
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PARP3 supervises G9a-mediated repression of adhesion and hypoxia-responsive genes in glioblastoma cells. Sci Rep 2022; 12:15534. [PMID: 36109561 PMCID: PMC9478127 DOI: 10.1038/s41598-022-19525-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 08/30/2022] [Indexed: 11/08/2022] Open
Abstract
AbstractIn breast cancer, Poly(ADP-ribose) polymerase 3 (PARP3) has been identified as a key driver of tumor aggressiveness exemplifying its selective inhibition as a promising surrogate for clinical activity onto difficult-to-treat cancers. Here we explored the role of PARP3 in the oncogenicity of glioblastoma, the most aggressive type of brain cancer. The absence of PARP3 did not alter cell proliferation nor the in vivo tumorigenic potential of glioblastoma cells. We identified a physical and functional interaction of PARP3 with the histone H3 lysine 9 methyltransferase G9a. We show that PARP3 helps to adjust G9a-dependent repression of the adhesion genes Nfasc and Parvb and the hypoxia-responsive genes Hif-2α, Runx3, Mlh1, Ndrg1, Ndrg2 and Ndrg4. Specifically for Nfasc, Parvb and Ndrg4, PARP3/G9a cooperate for an adjusted establishment of the repressive mark H3K9me2. While examining the functional consequence in cell response to hypoxia, we discovered that PARP3 acts to maintain the cytoskeletal microtubule stability. As a result, the absence of PARP3 markedly increases the sensitivity of glioblastoma cells to microtubule-destabilizing agents providing a new therapeutic avenue for PARP3 inhibition in brain cancer therapy.
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16
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Caldecott KW. DNA single-strand break repair and human genetic disease. Trends Cell Biol 2022; 32:733-745. [PMID: 35643889 DOI: 10.1016/j.tcb.2022.04.010] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 04/13/2022] [Accepted: 04/22/2022] [Indexed: 12/15/2022]
Abstract
DNA single-strand breaks (SSBs) are amongst the commonest DNA lesions arising in cells, with many tens of thousands induced in each cell each day. SSBs arise not only from exposure to intracellular and environmental genotoxins but also as intermediates of normal DNA metabolic processes, such as the removal of torsional stress in DNA by topoisomerase enzymes and the epigenetic regulation of gene expression by DNA base excision repair (BER). If not rapidly detected and repaired, SSBs can result in RNA polymerase stalling, DNA replication fork collapse, and hyperactivation of the SSB sensor protein poly(ADP-ribose) polymerase 1 (PARP1). The potential impact of unrepaired SSBs is illustrated by the existence of genetic diseases in which proteins involved in SSB repair (SSBR) are mutated, and which are typified by hereditary neurodevelopmental and/or neurodegenerative disease. Here, I review our current understanding of SSBR and its impact on human neurological disease, with a focus on recent developments and concepts.
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Affiliation(s)
- Keith W Caldecott
- Genome Damage and Stability Centre, School of Life Sciences, Science Park Road, University of Sussex, Falmer, Brighton BN1 9RQ, UK.
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17
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Li P, Lei Y, Qi J, Liu W, Yao K. Functional roles of ADP-ribosylation writers, readers and erasers. Front Cell Dev Biol 2022; 10:941356. [PMID: 36035988 PMCID: PMC9404506 DOI: 10.3389/fcell.2022.941356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/20/2022] [Indexed: 11/17/2022] Open
Abstract
ADP-ribosylation is a reversible post-translational modification (PTM) tightly regulated by the dynamic interplay between its writers, readers and erasers. As an intricate and versatile PTM, ADP-ribosylation plays critical roles in various physiological and pathological processes. In this review, we discuss the major players involved in the ADP-ribosylation cycle, which may facilitate the investigation of the ADP-ribosylation function and contribute to the understanding and treatment of ADP-ribosylation associated disease.
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18
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Ruszkiewicz JA, Bürkle A, Mangerich A. Fueling genome maintenance: On the versatile roles of NAD + in preserving DNA integrity. J Biol Chem 2022; 298:102037. [PMID: 35595095 PMCID: PMC9194868 DOI: 10.1016/j.jbc.2022.102037] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 05/05/2022] [Accepted: 05/09/2022] [Indexed: 12/13/2022] Open
Abstract
NAD+ is a versatile biomolecule acting as a master regulator and substrate in various cellular processes, including redox regulation, metabolism, and various signaling pathways. In this article, we concisely and critically review the role of NAD+ in mechanisms promoting genome maintenance. Numerous NAD+-dependent reactions are involved in the preservation of genome stability, the cellular DNA damage response, and other pathways regulating nucleic acid metabolism, such as gene expression and cell proliferation pathways. Of note, NAD+ serves as a substrate to ADP-ribosyltransferases, sirtuins, and potentially also eukaryotic DNA ligases, all of which regulate various aspects of DNA integrity, damage repair, and gene expression. Finally, we critically analyze recent developments in the field as well as discuss challenges associated with therapeutic actions intended to raise NAD+ levels.
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Affiliation(s)
- Joanna A Ruszkiewicz
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany.
| | - Alexander Bürkle
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany.
| | - Aswin Mangerich
- Molecular Toxicology Group, Department of Biology, University of Konstanz, Konstanz, Germany.
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19
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Kohli A, Huang S, Chang T, Chao CC, Sun N. H1.0 induces paclitaxel‐resistance genes expression in ovarian cancer cells by recruiting GCN5 and androgen receptor. Cancer Sci 2022; 113:2616-2626. [PMID: 35639349 PMCID: PMC9357662 DOI: 10.1111/cas.15448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 05/16/2022] [Accepted: 05/27/2022] [Indexed: 12/05/2022] Open
Abstract
More than 90% of ovarian cancer deaths are due to relapse following development of chemoresistance. Our main objective is to better understand the molecular mechanism underlying paclitaxel resistance (taxol resistance, Txr) in ovarian cancer. Here, we observed that the linker histone H1.0 is upregulated in paclitaxel‐resistant ovarian cancer cells. Knockdown of H1.0 significantly downregulates the androgen receptor (AR) and sensitizes paclitaxel‐resistant SKOV3/Txr and 2774/Txr cell lines to paclitaxel. Conversely, ectopic expression of H1.0 upregulates AR and increases Txr in parental SKOV3 and MDAH2774 cells. Notably, H1.0 upregulation is associated with disease recurrence and poor survival in a subset of ovarian cancer subjects. Inhibition of PI3K significantly reduces H1.0 mRNA and protein levels in paclitaxel‐resistant cells, suggesting the involvement of the PI3K/AKT signaling pathway. Knockdown of H1.0 and AR also downregulates the Txr genes ABCB1 and ABCG2 in paclitaxel‐resistant cells. Our data show that H1.0 induces GCN5 expression and histone acetylation, thereby enhancing Txr gene transactivation. These findings suggest that Txr in ovarian cancer involves the PI3K/AKT pathway and leads to upregulation of histone H1.0, recruitment of GCN5 and AR, followed by upregulation of a subgroup of Txr genes that include ABCB1 and ABCG2. This study is the first report describing the relationship between histone H1.0 and GCN5 that cooperate to induce AR‐dependent Txr in ovarian cancer cells.
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Affiliation(s)
- Abhidha Kohli
- Graduate Institute of Biomedical Sciences Department of Biochemistry and Molecular Biology College of Medicine Chang Gung University Taoyuan Taiwan, Republic of China
| | - Shang‐Lang Huang
- Division of Biomedical Sciences Chang Gung University of Science and Technology Taoyuan Taiwan, Republic of China
- Research Center for Chinese Herbal Medicine Chang Gung University of Science and Technology Taoyuan Taiwan, Republic of China
| | - Ting‐Chang Chang
- Department of Obstetrics and Gynaecology Chang Gung Memorial Hospital Linkou Medical Centre Taoyuan Taiwan, Republic of China
| | - Chuck C.‐K. Chao
- Graduate Institute of Biomedical Sciences Department of Biochemistry and Molecular Biology College of Medicine Chang Gung University Taoyuan Taiwan, Republic of China
| | - Nian‐Kang Sun
- Division of Biomedical Sciences Chang Gung University of Science and Technology Taoyuan Taiwan, Republic of China
- Research Center for Chinese Herbal Medicine Chang Gung University of Science and Technology Taoyuan Taiwan, Republic of China
- Department of Obstetrics and Gynaecology Chang Gung Memorial Hospital Linkou Medical Centre Taoyuan Taiwan, Republic of China
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20
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Gan Y, Sha H, Zou R, Xu M, Zhang Y, Feng J, Wu J. Research Progress on Mono-ADP-Ribosyltransferases in Human Cell Biology. Front Cell Dev Biol 2022; 10:864101. [PMID: 35652091 PMCID: PMC9149570 DOI: 10.3389/fcell.2022.864101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
ADP-ribosylation is a well-established post-translational modification that is inherently connected to diverse processes, including DNA repair, transcription, and cell signaling. The crucial roles of mono-ADP-ribosyltransferases (mono-ARTs) in biological processes have been identified in recent years by the comprehensive use of genetic engineering, chemical genetics, and proteomics. This review provides an update on current methodological advances in the study of these modifiers. Furthermore, the review provides details on the function of mono ADP-ribosylation. Several mono-ARTs have been implicated in the development of cancer, and this review discusses the role and therapeutic potential of some mono-ARTs in cancer.
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Affiliation(s)
- Yujie Gan
- Jiangsu Cancer Hospital, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
- Nanjing Medical University, Nanjing, China
| | - Huanhuan Sha
- Jiangsu Cancer Hospital, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
| | - Renrui Zou
- Jiangsu Cancer Hospital, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
- Nanjing Medical University, Nanjing, China
| | - Miao Xu
- Nanjing Medical University, Nanjing, China
| | - Yuan Zhang
- Jiangsu Cancer Hospital, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
| | - Jifeng Feng
- Jiangsu Cancer Hospital, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
- Nanjing Medical University, Nanjing, China
- *Correspondence: Jifeng Feng,
| | - Jianzhong Wu
- Jiangsu Cancer Hospital, Nanjing Medical University Affiliated Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing, China
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21
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Moyret-Lalle C, Prodhomme MK, Burlet D, Kashiwagi A, Petrilli V, Puisieux A, Seimiya H, Tissier A. Role of EMT in the DNA damage response, double-strand break repair pathway choice and its implications in cancer treatment. Cancer Sci 2022; 113:2214-2223. [PMID: 35534984 PMCID: PMC9277259 DOI: 10.1111/cas.15389] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/20/2022] [Accepted: 04/25/2022] [Indexed: 11/30/2022] Open
Abstract
Numerous epithelial–mesenchymal transition (EMT) characteristics have now been demonstrated to participate in tumor development. Indeed, EMT is involved in invasion, acquisition of stem cell properties, and therapy‐associated resistance of cancer cells. Together, these mechanisms offer advantages in adapting to changes in the tumor microenvironment. However, recent findings have shown that EMT‐associated transcription factors (EMT‐TFs) may also be involved in DNA repair. A better understanding of the coordination between the DNA repair pathways and the role played by some EMT‐TFs in the DNA damage response (DDR) should pave the way for new treatments targeting tumor‐specific molecular vulnerabilities, which result in selective destruction of cancer cells. Here we review recent advances, providing novel insights into the role of EMT in the DDR and repair pathways, with a particular focus on the influence of EMT on cellular sensitivity to damage, as well as the implications of these relationships for improving the efficacy of cancer treatments.
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Affiliation(s)
- Caroline Moyret-Lalle
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Centre of Lyon, Lyon, France.,LabEx DEVweCAN, Université de Lyon, Lyon, France
| | - Mélanie K Prodhomme
- Department of Epigenetics & Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Delphine Burlet
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Centre of Lyon, Lyon, France
| | - Ayaka Kashiwagi
- Division of Molecular Biotherapy, Cancer Chemotherapy Center, Japanese Foundation for Cancer Research, Tokyo, Japan.,Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Virginie Petrilli
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Centre of Lyon, Lyon, France
| | - Alain Puisieux
- Institut Curie, Versailles Saint-Quentin-en-Yvelines University, PSL Research University, Paris, France
| | - Hiroyuki Seimiya
- Division of Molecular Biotherapy, Cancer Chemotherapy Center, Japanese Foundation for Cancer Research, Tokyo, Japan.,Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Agnès Tissier
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Centre of Lyon, Lyon, France
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22
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Rajam SM, Varghese PC, Dutta D. Histone Chaperones as Cardinal Players in Development. Front Cell Dev Biol 2022; 10:767773. [PMID: 35445016 PMCID: PMC9014011 DOI: 10.3389/fcell.2022.767773] [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: 08/31/2021] [Accepted: 03/03/2022] [Indexed: 11/25/2022] Open
Abstract
Dynamicity and flexibility of the chromatin landscape are critical for most of the DNA-dependent processes to occur. This higher-order packaging of the eukaryotic genome into the chromatin is mediated by histones and associated non-histone proteins that determine the states of chromatin. Histone chaperones- “the guardian of genome stability and epigenetic information” controls the chromatin accessibility by escorting the nucleosomal and non-nucleosomal histones as well as their variants. This distinct group of molecules is involved in all facets of histone metabolism. The selectivity and specificity of histone chaperones to the histones determine the maintenance of the chromatin in an open or closed state. This review highlights the functional implication of the network of histone chaperones in shaping the chromatin function in the development of an organism. Seminal studies have reported embryonic lethality at different stages of embryogenesis upon perturbation of some of the chaperones, suggesting their essentiality in development. We hereby epitomize facts and functions that emphasize the relevance of histone chaperones in orchestrating different embryonic developmental stages starting from gametogenesis to organogenesis in multicellular organisms.
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Affiliation(s)
- Sruthy Manuraj Rajam
- Regenerative Biology Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, India.,Manipal Academy of Higher Education, Manipal, India
| | - Pallavi Chinnu Varghese
- Regenerative Biology Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, India.,Manipal Academy of Higher Education, Manipal, India
| | - Debasree Dutta
- Regenerative Biology Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, India
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23
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Muoio D, Laspata N, Fouquerel E. Functions of ADP-ribose transferases in the maintenance of telomere integrity. Cell Mol Life Sci 2022; 79:215. [PMID: 35348914 PMCID: PMC8964661 DOI: 10.1007/s00018-022-04235-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 12/21/2022]
Abstract
The ADP-ribose transferase (ART) family comprises 17 enzymes that catalyze mono- or poly-ADP-ribosylation, a post-translational modification of proteins. Present in all subcellular compartments, ARTs are implicated in a growing number of biological processes including DNA repair, replication, transcription regulation, intra- and extra-cellular signaling, viral infection and cell death. Five members of the family, PARP1, PARP2, PARP3, tankyrase 1 and tankyrase 2 are mainly described for their crucial functions in the maintenance of genome stability. It is well established that the most describedrole of PARP1, 2 and 3 is the repair of DNA lesions while tankyrases 1 and 2 are crucial for maintaining the integrity of telomeres. Telomeres, nucleoprotein complexes located at the ends of eukaryotic chromosomes, utilize their unique structure and associated set of proteins to orchestrate the mechanisms necessary for their own protection and replication. While the functions of tankyrases 1 and 2 at telomeres are well known, several studies have also brought PARP1, 2 and 3 to the forefront of telomere protection. The singular quality of the telomeric environment has highlighted protein interactions and molecular pathways distinct from those described throughout the genome. The aim of this review is to provide an overview of the current knowledge on the multiple roles of PARP1, PARP2, PARP3, tankyrase 1 and tankyrase 2 in the maintenance and preservation of telomere integrity.
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Affiliation(s)
- Daniela Muoio
- UPMC Cancer Institute and Department of Pharmacology and Chemical Biology at the University of Pittsburgh, Hillman Cancer Center, 5115 Centre Avenue, Pittsburgh, PA, 15213, USA
| | - Natalie Laspata
- Department of Biochemistry and Molecular Biology, Thomas Jefferson University, 233 S. 10th street, Philadelphia, PA, 19107, USA
| | - Elise Fouquerel
- UPMC Cancer Institute and Department of Pharmacology and Chemical Biology at the University of Pittsburgh, Hillman Cancer Center, 5115 Centre Avenue, Pittsburgh, PA, 15213, USA.
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24
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Huang D, Kraus WL. The expanding universe of PARP1-mediated molecular and therapeutic mechanisms. Mol Cell 2022; 82:2315-2334. [PMID: 35271815 DOI: 10.1016/j.molcel.2022.02.021] [Citation(s) in RCA: 84] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/03/2022] [Accepted: 02/10/2022] [Indexed: 12/25/2022]
Abstract
ADP-ribosylation (ADPRylation) is a post-translational modification of proteins catalyzed by ADP-ribosyl transferase (ART) enzymes, including nuclear PARPs (e.g., PARP1 and PARP2). Historically, studies of ADPRylation and PARPs have focused on DNA damage responses in cancers, but more recent studies elucidate diverse roles in a broader array of biological processes. Here, we summarize the expanding array of molecular mechanisms underlying the biological functions of nuclear PARPs with a focus on PARP1, the founding member of the family. This includes roles in DNA repair, chromatin regulation, gene expression, ribosome biogenesis, and RNA biology. We also present new concepts in PARP1-dependent regulation, including PAR-dependent post-translational modifications, "ADPR spray," and PAR-mediated biomolecular condensate formation. Moreover, we review advances in the therapeutic mechanisms of PARP inhibitors (PARPi) as well as the progress on the mechanisms of PARPi resistance. Collectively, the recent progress in the field has yielded new insights into the expanding universe of PARP1-mediated molecular and therapeutic mechanisms in a variety of biological processes.
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Affiliation(s)
- Dan Huang
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China.
| | - W Lee Kraus
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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25
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Kieffer SR, Lowndes NF. Immediate-Early, Early, and Late Responses to DNA Double Stranded Breaks. Front Genet 2022; 13:793884. [PMID: 35173769 PMCID: PMC8841529 DOI: 10.3389/fgene.2022.793884] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/10/2022] [Indexed: 12/18/2022] Open
Abstract
Loss or rearrangement of genetic information can result from incorrect responses to DNA double strand breaks (DSBs). The cellular responses to DSBs encompass a range of highly coordinated events designed to detect and respond appropriately to the damage, thereby preserving genomic integrity. In analogy with events occurring during viral infection, we appropriate the terms Immediate-Early, Early, and Late to describe the pre-repair responses to DSBs. A distinguishing feature of the Immediate-Early response is that the large protein condensates that form during the Early and Late response and are resolved upon repair, termed foci, are not visible. The Immediate-Early response encompasses initial lesion sensing, involving poly (ADP-ribose) polymerases (PARPs), KU70/80, and MRN, as well as rapid repair by so-called ‘fast-kinetic’ canonical non-homologous end joining (cNHEJ). Initial binding of PARPs and the KU70/80 complex to breaks appears to be mutually exclusive at easily ligatable DSBs that are repaired efficiently by fast-kinetic cNHEJ; a process that is PARP-, ATM-, 53BP1-, Artemis-, and resection-independent. However, at more complex breaks requiring processing, the Immediate-Early response involving PARPs and the ensuing highly dynamic PARylation (polyADP ribosylation) of many substrates may aid recruitment of both KU70/80 and MRN to DSBs. Complex DSBs rely upon the Early response, largely defined by ATM-dependent focal recruitment of many signalling molecules into large condensates, and regulated by complex chromatin dynamics. Finally, the Late response integrates information from cell cycle phase, chromatin context, and type of DSB to determine appropriate pathway choice. Critical to pathway choice is the recruitment of p53 binding protein 1 (53BP1) and breast cancer associated 1 (BRCA1). However, additional factors recruited throughout the DSB response also impact upon pathway choice, although these remain to be fully characterised. The Late response somehow channels DSBs into the appropriate high-fidelity repair pathway, typically either ‘slow-kinetic’ cNHEJ or homologous recombination (HR). Loss of specific components of the DSB repair machinery results in cells utilising remaining factors to effect repair, but often at the cost of increased mutagenesis. Here we discuss the complex regulation of the Immediate-Early, Early, and Late responses to DSBs proceeding repair itself.
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Lai S, Jia J, Cao X, Zhou PK, Gao S. Molecular and Cellular Functions of the Linker Histone H1.2. Front Cell Dev Biol 2022; 9:773195. [PMID: 35087830 PMCID: PMC8786799 DOI: 10.3389/fcell.2021.773195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/24/2021] [Indexed: 01/14/2023] Open
Abstract
Linker histone H1.2, which belongs to the linker histone family H1, plays a crucial role in the maintenance of the stable higher-order structures of chromatin and nucleosomes. As a critical part of chromatin structure, H1.2 has an important function in regulating chromatin dynamics and participates in multiple other cellular processes as well. Recent work has also shown that linker histone H1.2 regulates the transcription levels of certain target genes and affects different processes as well, such as cancer cell growth and migration, DNA duplication and DNA repair. The present work briefly summarizes the current knowledge of linker histone H1.2 modifications. Further, we also discuss the roles of linker histone H1.2 in the maintenance of genome stability, apoptosis, cell cycle regulation, and its association with disease.
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Affiliation(s)
- Shuting Lai
- Institute for Environmental Medicine and Radiation Hygiene, School of Public Health, University of South China, Hengyang, China.,Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Jin Jia
- Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China.,School of Medicine, University of South China, Hengyang, China
| | - Xiaoyu Cao
- Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China.,School of Life Sciences, Hebei University, Baoding, China
| | - Ping-Kun Zhou
- Institute for Environmental Medicine and Radiation Hygiene, School of Public Health, University of South China, Hengyang, China.,Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Shanshan Gao
- Beijing Key Laboratory for Radiobiology, Department of Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
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Targeting PARP proteins in acute leukemia: DNA damage response inhibition and therapeutic strategies. J Hematol Oncol 2022; 15:10. [PMID: 35065680 PMCID: PMC8783444 DOI: 10.1186/s13045-022-01228-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/12/2022] [Indexed: 02/06/2023] Open
Abstract
The members of the Poly(ADP‐ribose) polymerase (PARP) superfamily are involved in several biological processes and, in particular, in the DNA damage response (DDR). The most studied members, PARP1, PARP2 and PARP3, act as sensors of DNA damages, in order to activate different intracellular repair pathways, including single-strand repair, homologous recombination, conventional and alternative non-homologous end joining. This review recapitulates the functional role of PARPs in the DDR pathways, also in relationship with the cell cycle phases, which drives our knowledge of the mechanisms of action of PARP inhibitors (PARPi), encompassing inhibition of single-strand breaks and base excision repair, PARP trapping and sensitization to antileukemia immune responses. Several studies have demonstrated a preclinical activity of the current available PARPi, olaparib, rucaparib, niraparib, veliparib and talazoparib, as single agent and/or in combination with cytotoxic, hypomethylating or targeted drugs in acute leukemia, thus encouraging the development of clinical trials. We here summarize the most recent preclinical and clinical findings and discuss the synthetic lethal interactions of PARPi in acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). Despite the low frequency of genomic alterations of PARP and other DDR-related genes in acute leukemia, selective vulnerabilities have been reported in several disease subgroups, along with a “BRCAness phenotype.” AML carrying the RUNX1-RUNX1T1 or PML-RARA fusion genes or mutations in signaling genes (FLT3-ITD in combination with TET2 or TET2 and DNMT3A deficiency), cohesin complex members (STAG2), TP53 and BCOR as co-occurring lesions, IDH1/2 and ALL cases expressing the TCF3-HLF chimera or TET1 was highly sensitive to PARPi in preclinical studies. These data, along with the warning coming from the observation of cases of therapy-related myeloid malignancies among patients receiving PARPi for solid tumors treatment, indicate that PARPi represents a promising strategy in a personalized medicine setting. The characterization of the clonal and subclonal genetic background and of the DDR functionality is crucial to select acute leukemia patients that will likely benefit of PARPi-based therapeutic regimens.
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Brustel J, Muramoto T, Fumimoto K, Ellins J, Pears CJ, Lakin ND. Linking DNA repair and cell cycle progression through serine ADP-ribosylation of histones. Nat Commun 2022; 13:185. [PMID: 35027540 PMCID: PMC8758696 DOI: 10.1038/s41467-021-27867-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 12/19/2021] [Indexed: 01/24/2023] Open
Abstract
Although serine ADP-ribosylation (Ser-ADPr) by Poly(ADP-ribose)-polymerases is a cornerstone of the DNA damage response, how this regulates DNA repair and genome stability is unknown. Here, we exploit the ability to manipulate histone genes in Dictyostelium to identify that ADPr of the histone variant H3b at S10 and S28 maintains genome stability by integrating double strand break (DSB) repair with mitotic entry. Given the critical requirement for mitotic H3S10/28 phosphorylation, we develop separation of function mutations that maintain S10 phosphorylation whilst disrupting ADPr. Mechanistically, this reveals a requirement for H3bS10/28 ADPr in non-homologous end-joining by recruiting Ku to DSBs. Moreover, this also identifies H3bS10/S28 ADPr is critical to prevent premature mitotic entry with unresolved DNA damage, thus maintaining genome stability. Together, these data demonstrate how serine ADPr of histones coordinates DNA repair with cell cycle progression to maintain genome stability.
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Affiliation(s)
- Julien Brustel
- Department of Biochemistry, University of Oxford, South Parks Road, Oxford, UK
| | - Tetsuya Muramoto
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Kazuki Fumimoto
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Jessica Ellins
- Department of Biochemistry, University of Oxford, South Parks Road, Oxford, UK
| | - Catherine J Pears
- Department of Biochemistry, University of Oxford, South Parks Road, Oxford, UK
| | - Nicholas D Lakin
- Department of Biochemistry, University of Oxford, South Parks Road, Oxford, UK.
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29
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Oh JM, Myung K. Crosstalk between different DNA repair pathways for DNA double strand break repairs. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2022; 873:503438. [PMID: 35094810 DOI: 10.1016/j.mrgentox.2021.503438] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/09/2021] [Accepted: 12/14/2021] [Indexed: 11/28/2022]
Abstract
DNA double strand breaks (DSBs) are the most threatening type of DNA lesions and must be repaired properly in order to inhibit severe diseases and cell death. There are four major repair pathways for DSBs: non-homologous end joining (NHEJ), homologous recombination (HR), single strand annealing (SSA) and alternative end joining (alt-EJ). Cells choose repair pathway depending on the cell cycle phase and the length of 3' end of the DNA when DSBs are generated. Blunt and short regions of the 5' or 3' overhang DNA are repaired by NHEJ, which uses direct ligation or limited resection processing of the broken DNA end. In contrast, HR, SSA and alt-EJ use the resected DNA generated by the MRN (MRE11-RAD50-NBS1) complex and C-terminal binding protein interacting protein (CtIP) activated during the S and G2 phases. Here, we review recent findings on each repair pathway and the choice of repair mechanism and highlight the role of mismatch repair (MMR) protein in HR.
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Affiliation(s)
- Jung-Min Oh
- Department of Oral Biochemistry, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea.
| | - Kyungjae Myung
- Center for Genomic Integrity, Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea; Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea.
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30
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PARP Inhibitors and Myeloid Neoplasms: A Double-Edged Sword. Cancers (Basel) 2021; 13:cancers13246385. [PMID: 34945003 PMCID: PMC8699275 DOI: 10.3390/cancers13246385] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/13/2021] [Accepted: 12/17/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Poly(ADP-ribose) polymerase (PARP) inhibitors, which are medications approved to treat various solid tumors, including breast, prostate, ovarian, and prostate cancers, are being examined in hematological malignancies. This review summarizes the potential role of PARP inhibitors in the treatment of myeloid diseases, particularly acute myeloid leukemia (AML). We review ongoing clinical studies investigating the safety and efficacy of PARP inhibitors in the treatment of AML, focusing on specific molecular and genetic AML subgroups that could be particularly sensitive to PARP inhibitor treatment. We also discuss reports describing an increased risk of treatment-related myeloid neoplasms in patients receiving PARP inhibitors for solid tumors. Abstract Despite recent discoveries and therapeutic advances in aggressive myeloid neoplasms, there remains a pressing need for improved therapies. For instance, in acute myeloid leukemia (AML), while most patients achieve a complete remission with conventional chemotherapy or the combination of a hypomethylating agent and venetoclax, de novo or acquired drug resistance often presents an insurmountable challenge, especially in older patients. Poly(ADP-ribose) polymerase (PARP) enzymes, PARP1 and PARP2, are involved in detecting DNA damage and repairing it through multiple pathways, including base excision repair, single-strand break repair, and double-strand break repair. In the context of AML, PARP inhibitors (PARPi) could potentially exploit the frequently dysfunctional DNA repair pathways that, similar to deficiencies in homologous recombination in BRCA-mutant disease, set the stage for cell killing. PARPi appear to be especially effective in AML with certain gene rearrangements and molecular characteristics (RUNX1-RUNX1T1 and PML-RARA fusions, FLT3- and IDH1-mutated). In addition, PARPi can enhance the efficacy of other agents, particularly alkylating agents, TOP1 poisons, and hypomethylating agents, that induce lesions ordinarily repaired via PARP1-dependent mechanisms. Conversely, emerging reports suggest that long-term treatment with PARPi for solid tumors is associated with an increased incidence of myelodysplastic syndrome (MDS) and AML. Here, we (i) review the pre-clinical and clinical data on the role of PARPi, specifically olaparib, talazoparib, and veliparib, in aggressive myeloid neoplasms and (ii) discuss the reported risk of MDS/AML with PARPi, especially as the indications for PARPi use expand to include patients with potentially curable cancer.
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31
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Understanding and overcoming resistance to PARP inhibitors in cancer therapy. Nat Rev Clin Oncol 2021; 18:773-791. [PMID: 34285417 DOI: 10.1038/s41571-021-00532-x] [Citation(s) in RCA: 214] [Impact Index Per Article: 71.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2021] [Indexed: 02/07/2023]
Abstract
Developing novel targeted anticancer therapies is a major goal of current research. The use of poly(ADP-ribose) polymerase (PARP) inhibitors in patients with homologous recombination-deficient tumours provides one of the best examples of a targeted therapy that has been successfully translated into the clinic. The success of this approach has so far led to the approval of four different PARP inhibitors for the treatment of several types of cancers and a total of seven different compounds are currently under clinical investigation for various indications. Clinical trials have demonstrated promising response rates among patients receiving PARP inhibitors, although the majority will inevitably develop resistance. Preclinical and clinical data have revealed multiple mechanisms of resistance and current efforts are focused on developing strategies to address this challenge. In this Review, we summarize the diverse processes underlying resistance to PARP inhibitors and discuss the potential strategies that might overcome these mechanisms such as combinations with chemotherapies, targeting the acquired vulnerabilities associated with resistance to PARP inhibitors or suppressing genomic instability.
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32
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Linke R, Limmer M, Juranek SA, Heine A, Paeschke K. The Relevance of G-Quadruplexes for DNA Repair. Int J Mol Sci 2021; 22:12599. [PMID: 34830478 PMCID: PMC8620898 DOI: 10.3390/ijms222212599] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 01/28/2023] Open
Abstract
DNA molecules can adopt a variety of alternative structures. Among these structures are G-quadruplex DNA structures (G4s), which support cellular function by affecting transcription, translation, and telomere maintenance. These structures can also induce genome instability by stalling replication, increasing DNA damage, and recombination events. G-quadruplex-driven genome instability is connected to tumorigenesis and other genetic disorders. In recent years, the connection between genome stability, DNA repair and G4 formation was further underlined by the identification of multiple DNA repair proteins and ligands which bind and stabilize said G4 structures to block specific DNA repair pathways. The relevance of G4s for different DNA repair pathways is complex and depends on the repair pathway itself. G4 structures can induce DNA damage and block efficient DNA repair, but they can also support the activity and function of certain repair pathways. In this review, we highlight the roles and consequences of G4 DNA structures for DNA repair initiation, processing, and the efficiency of various DNA repair pathways.
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Affiliation(s)
- Rebecca Linke
- Department of Oncology, Hematology, Rheumatology and Immune-Oncology, University Hospital Bonn, 53127 Bonn, Germany; (R.L.); (M.L.); (S.A.J.); (A.H.)
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, VIC 3010, Australia
| | - Michaela Limmer
- Department of Oncology, Hematology, Rheumatology and Immune-Oncology, University Hospital Bonn, 53127 Bonn, Germany; (R.L.); (M.L.); (S.A.J.); (A.H.)
| | - Stefan A. Juranek
- Department of Oncology, Hematology, Rheumatology and Immune-Oncology, University Hospital Bonn, 53127 Bonn, Germany; (R.L.); (M.L.); (S.A.J.); (A.H.)
| | - Annkristin Heine
- Department of Oncology, Hematology, Rheumatology and Immune-Oncology, University Hospital Bonn, 53127 Bonn, Germany; (R.L.); (M.L.); (S.A.J.); (A.H.)
| | - Katrin Paeschke
- Department of Oncology, Hematology, Rheumatology and Immune-Oncology, University Hospital Bonn, 53127 Bonn, Germany; (R.L.); (M.L.); (S.A.J.); (A.H.)
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33
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Singh JK, Smith R, Rother MB, de Groot AJL, Wiegant WW, Vreeken K, D’Augustin O, Kim RQ, Qian H, Krawczyk PM, González-Prieto R, Vertegaal ACO, Lamers M, Huet S, van Attikum H. Zinc finger protein ZNF384 is an adaptor of Ku to DNA during classical non-homologous end-joining. Nat Commun 2021; 12:6560. [PMID: 34772923 PMCID: PMC8589989 DOI: 10.1038/s41467-021-26691-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/19/2021] [Indexed: 12/14/2022] Open
Abstract
DNA double-strand breaks (DSBs) are among the most deleterious types of DNA damage as they can lead to mutations and chromosomal rearrangements, which underlie cancer development. Classical non-homologous end-joining (cNHEJ) is the dominant pathway for DSB repair in human cells, involving the DNA-binding proteins XRCC6 (Ku70) and XRCC5 (Ku80). Other DNA-binding proteins such as Zinc Finger (ZnF) domain-containing proteins have also been implicated in DNA repair, but their role in cNHEJ remained elusive. Here we show that ZNF384, a member of the C2H2 family of ZnF proteins, binds DNA ends in vitro and is recruited to DSBs in vivo. ZNF384 recruitment requires the poly(ADP-ribosyl) polymerase 1 (PARP1)-dependent expansion of damaged chromatin, followed by binding of its C2H2 motifs to the exposed DNA. Moreover, ZNF384 interacts with Ku70/Ku80 via its N-terminus, thereby promoting Ku70/Ku80 assembly and the accrual of downstream cNHEJ factors, including APLF and XRCC4/LIG4, for efficient repair at DSBs. Altogether, our data suggest that ZNF384 acts as a 'Ku-adaptor' that binds damaged DNA and Ku70/Ku80 to facilitate the build-up of a cNHEJ repairosome, highlighting a role for ZNF384 in DSB repair and genome maintenance.
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Affiliation(s)
- Jenny Kaur Singh
- grid.10419.3d0000000089452978Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Rebecca Smith
- grid.410368.80000 0001 2191 9284Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes)—UMR 6290, BIOSIT–UMS3480, F-35000 Rennes, France
| | - Magdalena B. Rother
- grid.10419.3d0000000089452978Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Anton J. L. de Groot
- grid.10419.3d0000000089452978Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Wouter W. Wiegant
- grid.10419.3d0000000089452978Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Kees Vreeken
- grid.10419.3d0000000089452978Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Ostiane D’Augustin
- grid.410368.80000 0001 2191 9284Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes)—UMR 6290, BIOSIT–UMS3480, F-35000 Rennes, France ,grid.457349.80000 0004 0623 0579Institut de Biologie François Jacob, Institute of Cellular and Molecular Radiobiology, Université Paris-Saclay, Université de Paris, CEA, F-92265 Fontenay-aux-Roses, France
| | - Robbert Q. Kim
- grid.10419.3d0000000089452978Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Haibin Qian
- grid.16872.3a0000 0004 0435 165XDepartment of Medical Biology, Amsterdam University Medical Centers (location AMC), Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Przemek M. Krawczyk
- grid.16872.3a0000 0004 0435 165XDepartment of Medical Biology, Amsterdam University Medical Centers (location AMC), Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Román González-Prieto
- grid.16872.3a0000 0004 0435 165XDepartment of Medical Biology, Amsterdam University Medical Centers (location AMC), Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Alfred C. O. Vertegaal
- grid.16872.3a0000 0004 0435 165XDepartment of Medical Biology, Amsterdam University Medical Centers (location AMC), Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Meindert Lamers
- grid.16872.3a0000 0004 0435 165XDepartment of Medical Biology, Amsterdam University Medical Centers (location AMC), Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Sébastien Huet
- grid.410368.80000 0001 2191 9284Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes)—UMR 6290, BIOSIT–UMS3480, F-35000 Rennes, France ,grid.440891.00000 0001 1931 4817Institut Universitaire de France, F-75000 Paris, France
| | - Haico van Attikum
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.
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Cavalieri V. The Expanding Constellation of Histone Post-Translational Modifications in the Epigenetic Landscape. Genes (Basel) 2021; 12:genes12101596. [PMID: 34680990 PMCID: PMC8535662 DOI: 10.3390/genes12101596] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 12/17/2022] Open
Abstract
The emergence of a nucleosome-based chromatin structure accompanied the evolutionary transition from prokaryotes to eukaryotes. In this scenario, histones became the heart of the complex and precisely timed coordination between chromatin architecture and functions during adaptive responses to environmental influence by means of epigenetic mechanisms. Notably, such an epigenetic machinery involves an overwhelming number of post-translational modifications at multiple residues of core and linker histones. This review aims to comprehensively describe old and recent evidence in this exciting field of research. In particular, histone post-translational modification establishing/removal mechanisms, their genomic locations and implication in nucleosome dynamics and chromatin-based processes, as well as their harmonious combination and interdependence will be discussed.
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Affiliation(s)
- Vincenzo Cavalieri
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, 90128 Palermo, Italy
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35
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Pears CJ, Brustel J, Lakin ND. Dictyostelium discoideum as a Model to Assess Genome Stability Through DNA Repair. Front Cell Dev Biol 2021; 9:752175. [PMID: 34692705 PMCID: PMC8529158 DOI: 10.3389/fcell.2021.752175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/20/2021] [Indexed: 11/25/2022] Open
Abstract
Preserving genome integrity through repair of DNA damage is critical for human health and defects in these pathways lead to a variety of pathologies, most notably cancer. The social amoeba Dictyostelium discoideum is remarkably resistant to DNA damaging agents and genome analysis reveals it contains orthologs of several DNA repair pathway components otherwise limited to vertebrates. These include the Fanconi Anemia DNA inter-strand crosslink and DNA strand break repair pathways. Loss of function of these not only results in malignancy, but also neurodegeneration, immune-deficiencies and congenital abnormalities. Additionally, D. discoideum displays remarkable conservations of DNA repair factors that are targets in cancer and other therapies, including poly(ADP-ribose) polymerases that are targeted to treat breast and ovarian cancers. This, taken together with the genetic tractability of D. discoideum, make it an attractive model to assess the mechanistic basis of DNA repair to provide novel insights into how these pathways can be targeted to treat a variety of pathologies. Here we describe progress in understanding the mechanisms of DNA repair in D. discoideum, and how these impact on genome stability with implications for understanding development of malignancy.
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Affiliation(s)
- Catherine J. Pears
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
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36
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Abstract
In this review, Prendergast and Reinberg discuss the likelihood that the family of histone H1 variants may be key to understanding several fundamental processes in chromatin biology and underscore their particular contributions to distinctly significant chromatin-related processes. Major advances in the chromatin and epigenetics fields have uncovered the importance of core histones, histone variants and their post-translational modifications (PTMs) in modulating chromatin structure. However, an acutely understudied related feature of chromatin structure is the role of linker histone H1. Previous assumptions of the functional redundancy of the 11 nonallelic H1 variants are contrasted by their strong evolutionary conservation, variability in their potential PTMs, and increased reports of their disparate functions, sub-nuclear localizations and unique expression patterns in different cell types. The commonly accepted notion that histone H1 functions solely in chromatin compaction and transcription repression is now being challenged by work from multiple groups. These studies highlight histone H1 variants as underappreciated facets of chromatin dynamics that function independently in various chromatin-based processes. In this review, we present notable findings involving the individual somatic H1 variants of which there are seven, underscoring their particular contributions to distinctly significant chromatin-related processes.
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Affiliation(s)
- Laura Prendergast
- Howard Hughes Medical Institute, New York University Langone Health, New York, New York 10016, USA.,Department of Biochemistry and Molecular Pharmacology, New York University Langone Medical School, New York, New York 10016, USA
| | - Danny Reinberg
- Howard Hughes Medical Institute, New York University Langone Health, New York, New York 10016, USA.,Department of Biochemistry and Molecular Pharmacology, New York University Langone Medical School, New York, New York 10016, USA
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37
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p53 deficiency induces MTHFD2 transcription to promote cell proliferation and restrain DNA damage. Proc Natl Acad Sci U S A 2021; 118:2019822118. [PMID: 34244426 DOI: 10.1073/pnas.2019822118] [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] [Indexed: 12/14/2022] Open
Abstract
Cancer cells acquire metabolic reprogramming to satisfy their high biogenetic demands, but little is known about how metabolic remodeling enables cancer cells to survive stress associated with genomic instability. Here, we show that the mitochondrial methylenetetrahydrofolate dehydrogenase (MTHFD2) is transcriptionally suppressed by p53, and its up-regulation by p53 inactivation leads to increased folate metabolism, de novo purine synthesis, and tumor growth in vivo and in vitro. Moreover, MTHFD2 unexpectedly promotes nonhomologous end joining in response to DNA damage by forming a complex with PARP3 to enhance its ribosylation, and the introduction of a PARP3-binding but enzymatically inactive MTHFD2 mutant (e.g., D155A) sufficiently prevents DNA damage. Notably, MTHFD2 depletion strongly restrains p53-deficient cell proliferation and sensitizes cells to chemotherapeutic agents, indicating a potential role for MTHFD2 depletion in the treatment of p53-deficient tumors.
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Base excision repair and its implications to cancer therapy. Essays Biochem 2021; 64:831-843. [PMID: 32648895 PMCID: PMC7588666 DOI: 10.1042/ebc20200013] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/16/2020] [Accepted: 06/19/2020] [Indexed: 12/15/2022]
Abstract
Base excision repair (BER) has evolved to preserve the integrity of DNA following cellular oxidative stress and in response to exogenous insults. The pathway is a coordinated, sequential process involving 30 proteins or more in which single strand breaks are generated as intermediates during the repair process. While deficiencies in BER activity can lead to high mutation rates and tumorigenesis, cancer cells often rely on increased BER activity to tolerate oxidative stress. Targeting BER has been an attractive strategy to overwhelm cancer cells with DNA damage, improve the efficacy of radiotherapy and/or chemotherapy, or form part of a lethal combination with a cancer specific mutation/loss of function. We provide an update on the progress of inhibitors to enzymes involved in BER, and some of the challenges faced with targeting the BER pathway.
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Hammel M, Tainer JA. X-ray scattering reveals disordered linkers and dynamic interfaces in complexes and mechanisms for DNA double-strand break repair impacting cell and cancer biology. Protein Sci 2021; 30:1735-1756. [PMID: 34056803 PMCID: PMC8376411 DOI: 10.1002/pro.4133] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 05/23/2021] [Accepted: 05/25/2021] [Indexed: 12/17/2022]
Abstract
Evolutionary selection ensures specificity and efficiency in dynamic metastable macromolecular machines that repair DNA damage without releasing toxic and mutagenic intermediates. Here we examine non‐homologous end joining (NHEJ) as the primary conserved DNA double‐strand break (DSB) repair process in human cells. NHEJ has exemplary key roles in networks determining the development, outcome of cancer treatments by DSB‐inducing agents, generation of antibody and T‐cell receptor diversity, and innate immune response for RNA viruses. We determine mechanistic insights into NHEJ structural biochemistry focusing upon advanced small angle X‐ray scattering (SAXS) results combined with X‐ray crystallography (MX) and cryo‐electron microscopy (cryo‐EM). SAXS coupled to atomic structures enables integrated structural biology for objective quantitative assessment of conformational ensembles and assemblies in solution, intra‐molecular distances, structural similarity, functional disorder, conformational switching, and flexibility. Importantly, NHEJ complexes in solution undergo larger allosteric transitions than seen in their cryo‐EM or MX structures. In the long‐range synaptic complex, X‐ray repair cross‐complementing 4 (XRCC4) plus XRCC4‐like‐factor (XLF) form a flexible bridge and linchpin for DNA ends bound to KU heterodimer (Ku70/80) and DNA‐PKcs (DNA‐dependent protein kinase catalytic subunit). Upon binding two DNA ends, auto‐phosphorylation opens DNA‐PKcs dimer licensing NHEJ via concerted conformational transformations of XLF‐XRCC4, XLF–Ku80, and LigIVBRCT–Ku70 interfaces. Integrated structures reveal multifunctional roles for disordered linkers and modular dynamic interfaces promoting DSB end processing and alignment into the short‐range complex for ligation by LigIV. Integrated findings define dynamic assemblies fundamental to designing separation‐of‐function mutants and allosteric inhibitors targeting conformational transitions in multifunctional complexes.
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Affiliation(s)
- Michal Hammel
- Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - John A Tainer
- Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, California, USA.,Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.,Department of Molecular and Cellular Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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40
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Zha JJ, Tang Y, Wang YL. Role of mono-ADP-ribosylation histone modification (Review). Exp Ther Med 2021; 21:577. [PMID: 33850549 PMCID: PMC8027728 DOI: 10.3892/etm.2021.10009] [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: 08/26/2020] [Accepted: 02/22/2021] [Indexed: 12/13/2022] Open
Abstract
The current knowledge regarding ADP-ribosylation modifications of histones, particularly mono-ADP-ribosylation modifications, is limited. However, recent studies have identified an increasing number of mono-ADP-ribosyltransferases and the role of mono-ADP-ribosylation has become a hot research topic. In particular, histones that are substrates of several mono-ADP-ribosyltransferases and mono-ADP-ribosylated histones were indicated to be involved in numerous physiological or pathological processes. Compared to poly-ADP-ribosylation histone modification, the use of mono-ADP-ribosylation histone modification is restricted by the limited methods for research into its function in physiological or pathological processes. The aim of the present review was to discuss the details regarding mono-ADP-ribosylation modification of histones and the currently known functions thereof, such as cell physiological and pathological processes, including tumorigenesis.
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Affiliation(s)
- Jing-Jing Zha
- Pathological Department, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yi Tang
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ya-Lan Wang
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
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41
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Ramsden DA, Nussenzweig A. Mechanisms driving chromosomal translocations: lost in time and space. Oncogene 2021; 40:4263-4270. [PMID: 34103687 PMCID: PMC8238880 DOI: 10.1038/s41388-021-01856-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 05/07/2021] [Accepted: 05/21/2021] [Indexed: 02/05/2023]
Abstract
Translocations arise when an end of one chromosome break is mistakenly joined to an end from a different chromosome break. Since translocations can lead to developmental disease and cancer, it is important to understand the mechanisms leading to these chromosome rearrangements. We review how characteristics of the sources and the cellular responses to chromosome breaks contribute to the accumulation of multiple chromosome breaks at the same moment in time. We also discuss the important role for chromosome break location; how translocation potential is impacted by the location of chromosome breaks both within chromatin and within the nucleus, as well as the effect of altered mobility of chromosome breaks. A common theme in work addressing both temporal and spatial contributions to translocation is that there is no shortage of examples of factors that promote translocation in one context, but have no impact or the opposite impact in another. Accordingly, a clear message for future work on translocation mechanism is that unlike normal DNA metabolic pathways, it isn't easily modeled as a simple, linear pathway that is uniformly followed regardless of differing cellular contexts.
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Affiliation(s)
- Dale A. Ramsden
- Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.,Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.,Correspondence:
| | - Andre Nussenzweig
- Laboratory of Genome Integrity, National Institutes of Health, Bethesda, United States
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42
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van Beek L, McClay É, Patel S, Schimpl M, Spagnolo L, Maia de Oliveira T. PARP Power: A Structural Perspective on PARP1, PARP2, and PARP3 in DNA Damage Repair and Nucleosome Remodelling. Int J Mol Sci 2021; 22:ijms22105112. [PMID: 34066057 PMCID: PMC8150716 DOI: 10.3390/ijms22105112] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/04/2021] [Accepted: 05/06/2021] [Indexed: 12/30/2022] Open
Abstract
Poly (ADP-ribose) polymerases (PARP) 1-3 are well-known multi-domain enzymes, catalysing the covalent modification of proteins, DNA, and themselves. They attach mono- or poly-ADP-ribose to targets using NAD+ as a substrate. Poly-ADP-ribosylation (PARylation) is central to the important functions of PARP enzymes in the DNA damage response and nucleosome remodelling. Activation of PARP happens through DNA binding via zinc fingers and/or the WGR domain. Modulation of their activity using PARP inhibitors occupying the NAD+ binding site has proven successful in cancer therapies. For decades, studies set out to elucidate their full-length molecular structure and activation mechanism. In the last five years, significant advances have progressed the structural and functional understanding of PARP1-3, such as understanding allosteric activation via inter-domain contacts, how PARP senses damaged DNA in the crowded nucleus, and the complementary role of histone PARylation factor 1 in modulating the active site of PARP. Here, we review these advances together with the versatility of PARP domains involved in DNA binding, the targets and shape of PARylation and the role of PARPs in nucleosome remodelling.
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Affiliation(s)
- Lotte van Beek
- Structure and Biophysics, Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (L.v.B.); (M.S.)
| | - Éilís McClay
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, Garscube Campus, University of Glasgow, Glasgow G61 1QQ, UK;
| | - Saleha Patel
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK;
| | - Marianne Schimpl
- Structure and Biophysics, Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (L.v.B.); (M.S.)
| | - Laura Spagnolo
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, Garscube Campus, University of Glasgow, Glasgow G61 1QQ, UK;
- Correspondence: (L.S.); (T.M.d.O.)
| | - Taiana Maia de Oliveira
- Structure and Biophysics, Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (L.v.B.); (M.S.)
- Correspondence: (L.S.); (T.M.d.O.)
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43
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Klaric JA, Wüst S, Panier S. New Faces of old Friends: Emerging new Roles of RNA-Binding Proteins in the DNA Double-Strand Break Response. Front Mol Biosci 2021; 8:668821. [PMID: 34026839 PMCID: PMC8138124 DOI: 10.3389/fmolb.2021.668821] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 04/22/2021] [Indexed: 12/14/2022] Open
Abstract
DNA double-strand breaks (DSBs) are highly cytotoxic DNA lesions. To protect genomic stability and ensure cell homeostasis, cells mount a complex signaling-based response that not only coordinates the repair of the broken DNA strand but also activates cell cycle checkpoints and, if necessary, induces cell death. The last decade has seen a flurry of studies that have identified RNA-binding proteins (RBPs) as novel regulators of the DSB response. While many of these RBPs have well-characterized roles in gene expression, it is becoming increasingly clear that they also have non-canonical functions in the DSB response that go well beyond transcription, splicing and mRNA processing. Here, we review the current understanding of how RBPs are integrated into the cellular response to DSBs and describe how these proteins directly participate in signal transduction, amplification and repair at damaged chromatin. In addition, we discuss the implications of an RBP-mediated DSB response for genome instability and age-associated diseases such as cancer and neurodegeneration.
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Affiliation(s)
- Julie A Klaric
- Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Stas Wüst
- Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Stephanie Panier
- Max Planck Institute for Biology of Ageing, Cologne, Germany.,Cologne Cluster of Excellence in Cellular Stress Responses in Aging-Associated Diseases (CECAD) Research Center, University of Cologne, Cologne, Germany
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44
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DNA double-strand break repair: Putting zinc fingers on the sore spot. Semin Cell Dev Biol 2021; 113:65-74. [DOI: 10.1016/j.semcdb.2020.09.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/22/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022]
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45
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Demény MA, Virág L. The PARP Enzyme Family and the Hallmarks of Cancer Part 1. Cell Intrinsic Hallmarks. Cancers (Basel) 2021; 13:cancers13092042. [PMID: 33922595 PMCID: PMC8122967 DOI: 10.3390/cancers13092042] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/02/2021] [Accepted: 04/20/2021] [Indexed: 12/21/2022] Open
Abstract
The 17-member poly (ADP-ribose) polymerase enzyme family, also known as the ADP-ribosyl transferase diphtheria toxin-like (ARTD) enzyme family, contains DNA damage-responsive and nonresponsive members. Only PARP1, 2, 5a, and 5b are capable of modifying their targets with poly ADP-ribose (PAR) polymers; the other PARP family members function as mono-ADP-ribosyl transferases. In the last decade, PARP1 has taken center stage in oncology treatments. New PARP inhibitors (PARPi) have been introduced for the targeted treatment of breast cancer 1 or 2 (BRCA1/2)-deficient ovarian and breast cancers, and this novel therapy represents the prototype of the synthetic lethality paradigm. Much less attention has been paid to other PARPs and their potential roles in cancer biology. In this review, we summarize the roles played by all PARP enzyme family members in six intrinsic hallmarks of cancer: uncontrolled proliferation, evasion of growth suppressors, cell death resistance, genome instability, reprogrammed energy metabolism, and escape from replicative senescence. In a companion paper, we will discuss the roles of PARP enzymes in cancer hallmarks related to cancer-host interactions, including angiogenesis, invasion and metastasis, evasion of the anticancer immune response, and tumor-promoting inflammation. While PARP1 is clearly involved in all ten cancer hallmarks, an increasing body of evidence supports the role of other PARPs in modifying these cancer hallmarks (e.g., PARP5a and 5b in replicative immortality and PARP2 in cancer metabolism). We also highlight controversies, open questions, and discuss prospects of recent developments related to the wide range of roles played by PARPs in cancer biology. Some of the summarized findings may explain resistance to PARPi therapy or highlight novel biological roles of PARPs that can be therapeutically exploited in novel anticancer treatment paradigms.
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Affiliation(s)
- Máté A. Demény
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
- MTA-DE Cell Biology and Signaling Research Group, University of Debrecen, 4032 Debrecen, Hungary
- Correspondence: (M.A.D.); (L.V.)
| | - László Virág
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
- MTA-DE Cell Biology and Signaling Research Group, University of Debrecen, 4032 Debrecen, Hungary
- Correspondence: (M.A.D.); (L.V.)
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46
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Weixler L, Schäringer K, Momoh J, Lüscher B, Feijs KLH, Žaja R. ADP-ribosylation of RNA and DNA: from in vitro characterization to in vivo function. Nucleic Acids Res 2021; 49:3634-3650. [PMID: 33693930 PMCID: PMC8053099 DOI: 10.1093/nar/gkab136] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 02/11/2021] [Accepted: 02/17/2021] [Indexed: 12/12/2022] Open
Abstract
The functionality of DNA, RNA and proteins is altered dynamically in response to physiological and pathological cues, partly achieved by their modification. While the modification of proteins with ADP-ribose has been well studied, nucleic acids were only recently identified as substrates for ADP-ribosylation by mammalian enzymes. RNA and DNA can be ADP-ribosylated by specific ADP-ribosyltransferases such as PARP1-3, PARP10 and tRNA 2'-phosphotransferase (TRPT1). Evidence suggests that these enzymes display different preferences towards different oligonucleotides. These reactions are reversed by ADP-ribosylhydrolases of the macrodomain and ARH families, such as MACROD1, TARG1, PARG, ARH1 and ARH3. Most findings derive from in vitro experiments using recombinant components, leaving the relevance of this modification in cells unclear. In this Survey and Summary, we provide an overview of the enzymes that ADP-ribosylate nucleic acids, the reversing hydrolases, and the substrates' requirements. Drawing on data available for other organisms, such as pierisin1 from cabbage butterflies and the bacterial toxin-antitoxin system DarT-DarG, we discuss possible functions for nucleic acid ADP-ribosylation in mammals. Hypothesized roles for nucleic acid ADP-ribosylation include functions in DNA damage repair, in antiviral immunity or as non-conventional RNA cap. Lastly, we assess various methods potentially suitable for future studies of nucleic acid ADP-ribosylation.
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Affiliation(s)
- Lisa Weixler
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Katja Schäringer
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Jeffrey Momoh
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Bernhard Lüscher
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Karla L H Feijs
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Roko Žaja
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
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47
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Pop L, Suciu I, Ionescu O, Bacalbasa N, Ionescu P. The role of novel poly (ADP-ribose) inhibitors in the treatment of locally advanced and metastatic Her-2/neu negative breast cancer with inherited germline BRCA1/2 mutations. A review of the literature. J Med Life 2021; 14:17-20. [PMID: 33767780 PMCID: PMC7982259 DOI: 10.25122/jml-2020-0132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The use of the PARP inhibitors (PARPi) in the treatment of breast cancer (BC) with germine mutations has evolved over the years, and further research has been done in order to broaden the horizon of this treatment strategy. Therefore the aim of this paper is to review the efficiency of PARPi in the treatment of BRCA 1/2-mutated locally advanced and metastatic Her-2/net negative BC mentioning their side effects, mechanism of resistance and future directions. Inhibition of PARP transforms single-strand breaks into double-strand breaks (DBS), the accumulation of the latter causing cell death (cell apoptosis). The Olympia AD phase III trial demonstrated a statistically significant progression-free survival rate (PFS) when using the PARPi olaparib in metastatic BC with germline BRCA1/2 mutations without any benefit of the overall survival rate. PARPi therapy is associated with acceptable responsive rates and progression-free survival rates in locally advanced and metastatic BRCA1/2 associated BC through mechanisms that enhance and increase the sensitivity to chemotherapeutic or target agents as they induce a synthetic lethality and cell apoptosis. The side effects are not significant, the most adverse effects being related to the hematological and gastrointestinal systems. Olaparib is currently approved in the first-line treatment of BRCA1/2 mutated Her-2/neu negative metastatic BC at an oral dose of 300 mg twice daily, while Talazoparib represents a category one recommendation in locally advanced and metastatic Her-2/neu negative BC in women with central nervous system metastases.
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Affiliation(s)
- Lucian Pop
- Department of Obstetrics and Gynecology, Alessandrescu-Rusescu National Institute of Mother and Child Health, Bucharest, Romania
| | - Ioan Suciu
- Department of General Surgery, Floreasca Emergency Hospital, Bucharest, Romania.,Department of Obstetrics and Gynecology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Olivia Ionescu
- Department of Obstetrics and Gynecology, South Nurnberg Hospital, Nurnberg, Germany
| | - Nicolae Bacalbasa
- Department of General Surgery, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Paris Ionescu
- Department of Obstetrics and Gynecology, Ovidius University, Constanta, Romania
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48
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Velagapudi UK, Patel BA, Shao X, Pathak SK, Ferraris DV, Talele TT. Recent development in the discovery of PARP inhibitors as anticancer agents: a patent update (2016-2020). Expert Opin Ther Pat 2021; 31:609-623. [PMID: 33554679 DOI: 10.1080/13543776.2021.1886275] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Discovery of small molecules that impede the activity of single-strand DNA repair enzyme, PARP1, has led to four marketed drugs for the treatment of advanced-stage cancers. Hence, there is a renewed enthusiasm in the PARP inhibitor discovery arena. To reduce nonspecific interactions or potential toxicities, and to understand the role of other minimally explored PARP enzymes, exciting new findings have emerged toward the development of selective inhibitors and targeted chemical biology probes. Importantly, the conventional PARP inhibitor design has evolved in a way that could potentially lead to multienzyme-targeting - a polypharmacological approach against aggressive cancers. AREAS COVERED This review comprises recent progress made in the development of PARP inhibitors, primarily focused on human cancers. Discovery of novel PARP inhibitors with pan, selective, and multi-target inhibition using in vitro and in vivo cancer models is summarized and critically evaluated. Emphasis is given to patents published during 2016-2020, excluding TNKS 1/2 inhibitors. EXPERT OPINION The outstanding success demonstrated by the FDA approved PARP inhibitors has fueled further clinical evaluations for expansion of their clinical utilities. The current clinical investigations include new candidates as well as marketed PARP-targeted drugs, both as single agents and in combination with other chemotherapeutics. Recent advances have also unveiled critical roles of other PARPs in oncogenic signal transduction, in addition to those of the well-documented PARP1/2 and TNKS1/2 enzymes. Further studies on lesser-known PARP members are urgently needed for functional annotations and for understanding their roles in cancer progression and other human diseases.
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Affiliation(s)
- Uday Kiran Velagapudi
- Pace Analytical Life Sciences, LLC, Suite 102, 19 Presidential Way, Woburn, MA, 01801, USA
| | - Bhargav A Patel
- Department of Chemistry and Biochemistry, The University of Notre Dame, 329 McCourtney Hall, Notre Dame, IN 46556, USA
| | - Xuwei Shao
- cFrontage Laboratories, Inc, 75 East Uwchlan Ave, Suite 100, Exton, PA, 19341, USA
| | - Sanjai Kumar Pathak
- dChemistry and Biochemistry Department, Queens College of the City University of New York, 65-30 Kissena Blvd., Flushing, NY, 11367, USA.,eChemistry Doctoral Program, Biochemistry Doctoral Program, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
| | - Dana V Ferraris
- fDepartment of Chemistry, McDaniel College, 2 College Hill, Westminster, MD, 21157, USA
| | - Tanaji T Talele
- gDepartment of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
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49
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Rapid Detection and Signaling of DNA Damage by PARP-1. Trends Biochem Sci 2021; 46:744-757. [PMID: 33674152 DOI: 10.1016/j.tibs.2021.01.014] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/14/2021] [Accepted: 01/29/2021] [Indexed: 12/16/2022]
Abstract
Poly(ADP-ribosyl) polymerase-1 (PARP-1) is an abundant ADP-ribosyl transferase that regulates various biological processes. PARP-1 is widely recognized as a first-line responder molecule in DNA damage response (DDR). Here, we review the full cycle of detecting DNA damage by PARP-1, PARP-1 activation upon DNA binding, and PARP-1 release from a DNA break. We also discuss the allosteric consequence upon binding of PARP inhibitors (PARPi) and the opportunity to tune its release from a DNA break. It is now possible to harness this new understanding to design novel PARPi for treating diseases where cell toxicity caused by PARP-1 'trapping' on DNA is either the desired consequence or entirely counterproductive.
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50
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Zell J, Rota Sperti F, Britton S, Monchaud D. DNA folds threaten genetic stability and can be leveraged for chemotherapy. RSC Chem Biol 2021; 2:47-76. [PMID: 35340894 PMCID: PMC8885165 DOI: 10.1039/d0cb00151a] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 09/20/2020] [Indexed: 12/22/2022] Open
Abstract
Damaging DNA is a current and efficient strategy to fight against cancer cell proliferation. Numerous mechanisms exist to counteract DNA damage, collectively referred to as the DNA damage response (DDR) and which are commonly dysregulated in cancer cells. Precise knowledge of these mechanisms is necessary to optimise chemotherapeutic DNA targeting. New research on DDR has uncovered a series of promising therapeutic targets, proteins and nucleic acids, with application notably via an approach referred to as combination therapy or combinatorial synthetic lethality. In this review, we summarise the cornerstone discoveries which gave way to the DNA being considered as an anticancer target, and the manipulation of DDR pathways as a valuable anticancer strategy. We describe in detail the DDR signalling and repair pathways activated in response to DNA damage. We then summarise the current understanding of non-B DNA folds, such as G-quadruplexes and DNA junctions, when they are formed and why they can offer a more specific therapeutic target compared to that of canonical B-DNA. Finally, we merge these subjects to depict the new and highly promising chemotherapeutic strategy which combines enhanced-specificity DNA damaging and DDR targeting agents. This review thus highlights how chemical biology has given rise to significant scientific advances thanks to resolutely multidisciplinary research efforts combining molecular and cell biology, chemistry and biophysics. We aim to provide the non-specialist reader a gateway into this exciting field and the specialist reader with a new perspective on the latest results achieved and strategies devised.
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Affiliation(s)
- Joanna Zell
- Institut de Chimie Moléculaire de l'Université de Bourgogne, ICMUB CNRS UMR 6302, UBFC Dijon France
| | - Francesco Rota Sperti
- Institut de Chimie Moléculaire de l'Université de Bourgogne, ICMUB CNRS UMR 6302, UBFC Dijon France
| | - Sébastien Britton
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS Toulouse France
- Équipe Labellisée la Ligue Contre le Cancer 2018 Toulouse France
| | - David Monchaud
- Institut de Chimie Moléculaire de l'Université de Bourgogne, ICMUB CNRS UMR 6302, UBFC Dijon France
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