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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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2
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Holguin-Cruz JA, Bui JM, Jha A, Na D, Gsponer J. Widespread alteration of protein autoinhibition in human cancers. Cell Syst 2024; 15:246-263.e7. [PMID: 38366601 DOI: 10.1016/j.cels.2024.01.009] [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: 01/31/2019] [Revised: 06/20/2023] [Accepted: 01/26/2024] [Indexed: 02/18/2024]
Abstract
Autoinhibition is a prevalent allosteric regulatory mechanism in signaling proteins. Reduced autoinhibition underlies the tumorigenic effect of some known cancer drivers, but whether autoinhibition is altered generally in cancer remains elusive. Here, we demonstrate that cancer-associated missense mutations, in-frame insertions/deletions, and fusion breakpoints are enriched within inhibitory allosteric switches (IASs) across all cancer types. Selection for IASs that are recurrently mutated in cancers identifies established and unknown cancer drivers. Recurrent missense mutations in IASs of these drivers are associated with distinct, cancer-specific changes in molecular signaling. For the specific case of PPP3CA, the catalytic subunit of calcineurin, we provide insights into the molecular mechanisms of altered autoinhibition by cancer mutations using biomolecular simulations, and demonstrate that such mutations are associated with transcriptome changes consistent with increased calcineurin signaling. Our integrative study shows that autoinhibition-modulating genetic alterations are positively selected for by cancer cells.
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Affiliation(s)
- Jorge A Holguin-Cruz
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Jennifer M Bui
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Ashwani Jha
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Dokyun Na
- School of Integrative Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 156-756, Republic of Korea
| | - Jörg Gsponer
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
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3
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Bacic L, Gaullier G, Mohapatra J, Mao G, Brackmann K, Panfilov M, Liszczak G, Sabantsev A, Deindl S. Asymmetric nucleosome PARylation at DNA breaks mediates directional nucleosome sliding by ALC1. Nat Commun 2024; 15:1000. [PMID: 38307862 PMCID: PMC10837151 DOI: 10.1038/s41467-024-45237-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 01/16/2024] [Indexed: 02/04/2024] Open
Abstract
The chromatin remodeler ALC1 is activated by DNA damage-induced poly(ADP-ribose) deposited by PARP1/PARP2 and their co-factor HPF1. ALC1 has emerged as a cancer drug target, but how it is recruited to ADP-ribosylated nucleosomes to affect their positioning near DNA breaks is unknown. Here we find that PARP1/HPF1 preferentially initiates ADP-ribosylation on the histone H2B tail closest to the DNA break. To dissect the consequences of such asymmetry, we generate nucleosomes with a defined ADP-ribosylated H2B tail on one side only. The cryo-electron microscopy structure of ALC1 bound to such an asymmetric nucleosome indicates preferential engagement on one side. Using single-molecule FRET, we demonstrate that this asymmetric recruitment gives rise to directed sliding away from the DNA linker closest to the ADP-ribosylation site. Our data suggest a mechanism by which ALC1 slides nucleosomes away from a DNA break to render it more accessible to repair factors.
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Affiliation(s)
- Luka Bacic
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden
| | - Guillaume Gaullier
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden
- Department of Chemistry - Ångström, Uppsala University, 75120, Uppsala, Sweden
| | - Jugal Mohapatra
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390, USA
| | - Guanzhong Mao
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden
| | - Klaus Brackmann
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden
| | - Mikhail Panfilov
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden
| | - Glen Liszczak
- Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390, USA
| | - Anton Sabantsev
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden.
| | - Sebastian Deindl
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124, Uppsala, Sweden.
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4
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Gu M, Ren B, Fang Y, Ren J, Liu X, Wang X, Zhou F, Xiao R, Luo X, You L, Zhao Y. Epigenetic regulation in cancer. MedComm (Beijing) 2024; 5:e495. [PMID: 38374872 PMCID: PMC10876210 DOI: 10.1002/mco2.495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 02/21/2024] Open
Abstract
Epigenetic modifications are defined as heritable changes in gene activity that do not involve changes in the underlying DNA sequence. The oncogenic process is driven by the accumulation of alterations that impact genome's structure and function. Genetic mutations, which directly disrupt the DNA sequence, are complemented by epigenetic modifications that modulate gene expression, thereby facilitating the acquisition of malignant characteristics. Principals among these epigenetic changes are shifts in DNA methylation and histone mark patterns, which promote tumor development and metastasis. Notably, the reversible nature of epigenetic alterations, as opposed to the permanence of genetic changes, positions the epigenetic machinery as a prime target in the discovery of novel therapeutics. Our review delves into the complexities of epigenetic regulation, exploring its profound effects on tumor initiation, metastatic behavior, metabolic pathways, and the tumor microenvironment. We place a particular emphasis on the dysregulation at each level of epigenetic modulation, including but not limited to, the aberrations in enzymes responsible for DNA methylation and histone modification, subunit loss or fusions in chromatin remodeling complexes, and the disturbances in higher-order chromatin structure. Finally, we also evaluate therapeutic approaches that leverage the growing understanding of chromatin dysregulation, offering new avenues for cancer treatment.
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Affiliation(s)
- Minzhi Gu
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Bo Ren
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Yuan Fang
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Jie Ren
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Xiaohong Liu
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Xing Wang
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Feihan Zhou
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Ruiling Xiao
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Xiyuan Luo
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Lei You
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
| | - Yupei Zhao
- Department of General SurgeryPeking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingP. R. China
- Key Laboratory of Research in Pancreatic TumorChinese Academy of Medical SciencesBeijingP. R. China
- National Science and Technology Key Infrastructure on Translational Medicine in Peking Union Medical College HospitalBeijingP. R. China
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5
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Nosella ML, Kim TH, Huang SK, Harkness RW, Goncalves M, Pan A, Tereshchenko M, Vahidi S, Rubinstein JL, Lee HO, Forman-Kay JD, Kay LE. Poly(ADP-ribosyl)ation enhances nucleosome dynamics and organizes DNA damage repair components within biomolecular condensates. Mol Cell 2024; 84:429-446.e17. [PMID: 38215753 DOI: 10.1016/j.molcel.2023.12.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/30/2023] [Accepted: 12/13/2023] [Indexed: 01/14/2024]
Abstract
Nucleosomes, the basic structural units of chromatin, hinder recruitment and activity of various DNA repair proteins, necessitating modifications that enhance DNA accessibility. Poly(ADP-ribosyl)ation (PARylation) of proteins near damage sites is an essential initiation step in several DNA-repair pathways; however, its effects on nucleosome structural dynamics and organization are unclear. Using NMR, cryoelectron microscopy (cryo-EM), and biochemical assays, we show that PARylation enhances motions of the histone H3 tail and DNA, leaving the configuration of the core intact while also stimulating nuclease digestion and ligation of nicked nucleosomal DNA by LIG3. PARylation disrupted interactions between nucleosomes, preventing self-association. Addition of LIG3 and XRCC1 to PARylated nucleosomes generated condensates that selectively partition DNA repair-associated proteins in a PAR- and phosphorylation-dependent manner in vitro. Our results establish that PARylation influences nucleosomes across different length scales, extending from the atom-level motions of histone tails to the mesoscale formation of condensates with selective compositions.
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Affiliation(s)
- Michael L Nosella
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Tae Hun Kim
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Chemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Shuya Kate Huang
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Chemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Robert W Harkness
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Chemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Monica Goncalves
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Alisia Pan
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Maria Tereshchenko
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Siavash Vahidi
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - John L Rubinstein
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Hyun O Lee
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Julie D Forman-Kay
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada.
| | - Lewis E Kay
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Chemistry, University of Toronto, Toronto, ON M5S 1A8, Canada.
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6
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Suskiewicz MJ, Prokhorova E, Rack JGM, Ahel I. ADP-ribosylation from molecular mechanisms to therapeutic implications. Cell 2023; 186:4475-4495. [PMID: 37832523 PMCID: PMC10789625 DOI: 10.1016/j.cell.2023.08.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/23/2023] [Accepted: 08/23/2023] [Indexed: 10/15/2023]
Abstract
ADP-ribosylation is a ubiquitous modification of biomolecules, including proteins and nucleic acids, that regulates various cellular functions in all kingdoms of life. The recent emergence of new technologies to study ADP-ribosylation has reshaped our understanding of the molecular mechanisms that govern the establishment, removal, and recognition of this modification, as well as its impact on cellular and organismal function. These advances have also revealed the intricate involvement of ADP-ribosylation in human physiology and pathology and the enormous potential that their manipulation holds for therapy. In this review, we present the state-of-the-art findings covering the work in structural biology, biochemistry, cell biology, and clinical aspects of ADP-ribosylation.
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Affiliation(s)
| | | | - Johannes G M Rack
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK; MRC Centre of Medical Mycology, University of Exeter, Exeter, UK
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK.
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7
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Bianchini RM, Kurz EU. The analysis of protein recruitment to laser microirradiation-induced DNA damage in live cells: Best practices for data analysis. DNA Repair (Amst) 2023; 129:103545. [PMID: 37524003 DOI: 10.1016/j.dnarep.2023.103545] [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: 05/05/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/02/2023]
Abstract
Laser microirradiation coupled with live-cell fluorescence microscopy is a powerful technique that has been used widely in studying the recruitment and retention of proteins at sites of DNA damage. Results obtained from this technique can be found in published works by both seasoned and infrequent users of microscopy. However, like many other microscopy-based techniques, the presentation of data from laser microirradiation experiments is inconsistent; papers report a wide assortment of analytic techniques, not all of which result in accurate and/or appropriate representation of the data. In addition to the varied methods of analysis, experimental and analytical details are commonly under-reported. Consequently, publications reporting data from laser microirradiation coupled with fluorescence microscopy experiments need to be carefully and critically assessed by readers. Here, we undertake a systematic investigation of commonly reported corrections used in the analysis of laser microirradiation data. We validate the critical need to correct data for photobleaching and we identify key experimental parameters that must be accounted for when presenting data from laser microirradiation experiments. Furthermore, we propose a straightforward, four-step analytical protocol that can readily be applied across platforms and that aims to improve the quality of data reporting in the DNA damage field.
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Affiliation(s)
- Ryan M Bianchini
- Robson DNA Science Centre, Arnie Charbonneau Cancer Institute, and Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
| | - Ebba U Kurz
- Robson DNA Science Centre, Arnie Charbonneau Cancer Institute, and Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada.
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8
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Bilkis R, Lake RJ, Cooper KL, Tomkinson A, Fan HY. The CSB chromatin remodeler regulates PARP1- and PARP2-mediated single-strand break repair at actively transcribed DNA regions. Nucleic Acids Res 2023; 51:7342-7356. [PMID: 37326017 PMCID: PMC10415129 DOI: 10.1093/nar/gkad515] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 05/03/2023] [Accepted: 06/01/2023] [Indexed: 06/17/2023] Open
Abstract
Efficient repair of oxidized DNA is critical for genome-integrity maintenance. Cockayne syndrome protein B (CSB) is an ATP-dependent chromatin remodeler that collaborates with Poly(ADP-ribose) polymerase I (PARP1) in the repair of oxidative DNA lesions. How these proteins integrate during DNA repair remains largely unknown. Here, using chromatin co-fractionation studies, we demonstrate that PARP1 and PARP2 promote recruitment of CSB to oxidatively-damaged DNA. CSB, in turn, contributes to the recruitment of XRCC1, and histone PARylation factor 1 (HPF1), and promotes histone PARylation. Using alkaline comet assays to monitor DNA repair, we found that CSB regulates single-strand break repair (SSBR) mediated by PARP1 and PARP2. Strikingly, CSB's function in SSBR is largely bypassed when transcription is inhibited, suggesting CSB-mediated SSBR occurs primarily at actively transcribed DNA regions. While PARP1 repairs SSBs at sites regardless of the transcription status, we found that PARP2 predominantly functions in actively transcribed DNA regions. Therefore, our study raises the hypothesis that SSBR is executed by different mechanisms based on the transcription status.
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Affiliation(s)
- Rabeya Bilkis
- Program in Cell and Molecular Oncology, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM 87131, USA
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
- Biomedical Sciences Graduate Program, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Robert J Lake
- Program in Cell and Molecular Oncology, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM 87131, USA
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Karen L Cooper
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Alan Tomkinson
- Program in Cell and Molecular Oncology, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM 87131, USA
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Hua-Ying Fan
- Program in Cell and Molecular Oncology, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM 87131, USA
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
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9
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Zhang M, Jungblut A, Kunert F, Hauptmann L, Hoffmann T, Kolesnikova O, Metzner F, Moldt M, Weis F, DiMaio F, Hopfner KP, Eustermann S. Hexasome-INO80 complex reveals structural basis of noncanonical nucleosome remodeling. Science 2023; 381:313-319. [PMID: 37384673 DOI: 10.1126/science.adf6287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 06/13/2023] [Indexed: 07/01/2023]
Abstract
Loss of H2A-H2B histone dimers is a hallmark of actively transcribed genes, but how the cellular machinery functions in the context of noncanonical nucleosomal particles remains largely elusive. In this work, we report the structural mechanism for adenosine 5'-triphosphate-dependent chromatin remodeling of hexasomes by the INO80 complex. We show how INO80 recognizes noncanonical DNA and histone features of hexasomes that emerge from the loss of H2A-H2B. A large structural rearrangement switches the catalytic core of INO80 into a distinct, spin-rotated mode of remodeling while its nuclear actin module remains tethered to long stretches of unwrapped linker DNA. Direct sensing of an exposed H3-H4 histone interface activates INO80, independently of the H2A-H2B acidic patch. Our findings reveal how the loss of H2A-H2B grants remodelers access to a different, yet unexplored layer of energy-driven chromatin regulation.
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Affiliation(s)
- Min Zhang
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Anna Jungblut
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
- Collaboration for joint PhD degree between EMBL and Heidelberg University, Faculty of Biosciences, Heidelberg, Germany
| | - Franziska Kunert
- Gene Center, Department of Biochemistry, Ludwig-Maximilians Universität München, Munich, Germany
| | - Luis Hauptmann
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Thomas Hoffmann
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Olga Kolesnikova
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Felix Metzner
- Gene Center, Department of Biochemistry, Ludwig-Maximilians Universität München, Munich, Germany
| | - Manuela Moldt
- Gene Center, Department of Biochemistry, Ludwig-Maximilians Universität München, Munich, Germany
| | - Felix Weis
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Frank DiMaio
- Department of Biochemistry, University of Washington, Seattle, WA, USA
| | - Karl-Peter Hopfner
- Gene Center, Department of Biochemistry, Ludwig-Maximilians Universität München, Munich, Germany
| | - Sebastian Eustermann
- Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
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10
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Zhong Y, Moghaddas Sani H, Paudel BP, Low JKK, Silva APG, Mueller S, Deshpande C, Panjikar S, Reid XJ, Bedward MJ, van Oijen AM, Mackay JP. The role of auxiliary domains in modulating CHD4 activity suggests mechanistic commonality between enzyme families. Nat Commun 2022; 13:7524. [PMID: 36473839 PMCID: PMC9726900 DOI: 10.1038/s41467-022-35002-0] [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: 06/13/2022] [Accepted: 11/14/2022] [Indexed: 12/12/2022] Open
Abstract
CHD4 is an essential, widely conserved ATP-dependent translocase that is also a broad tumour dependency. In common with other SF2-family chromatin remodelling enzymes, it alters chromatin accessibility by repositioning histone octamers. Besides the helicase and adjacent tandem chromodomains and PHD domains, CHD4 features 1000 residues of N- and C-terminal sequence with unknown structure and function. We demonstrate that these regions regulate CHD4 activity through different mechanisms. An N-terminal intrinsically disordered region (IDR) promotes remodelling integrity in a manner that depends on the composition but not sequence of the IDR. The C-terminal region harbours an auto-inhibitory region that contacts the helicase domain. Auto-inhibition is relieved by a previously unrecognized C-terminal SANT-SLIDE domain split by ~150 residues of disordered sequence, most likely by binding of this domain to substrate DNA. Our data shed light on CHD4 regulation and reveal strong mechanistic commonality between CHD family members, as well as with ISWI-family remodellers.
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Affiliation(s)
- Yichen Zhong
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Hakimeh Moghaddas Sani
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Bishnu P. Paudel
- grid.1007.60000 0004 0486 528XMolecular Horizons, School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522 Australia ,grid.510958.0Illawarra Health and Medical Research Institute, Wollongong, NSW 2522 Australia
| | - Jason K. K. Low
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Ana P. G. Silva
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Stefan Mueller
- grid.1007.60000 0004 0486 528XMolecular Horizons, School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522 Australia ,grid.510958.0Illawarra Health and Medical Research Institute, Wollongong, NSW 2522 Australia
| | - Chandrika Deshpande
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Santosh Panjikar
- grid.248753.f0000 0004 0562 0567Australian Synchrotron, Clayton, VIC 3168 Australia ,grid.1002.30000 0004 1936 7857Department of Molecular Biology and Biochemistry, Monash University, Clayton, VIC 3800 Australia
| | - Xavier J. Reid
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Max J. Bedward
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
| | - Antoine M. van Oijen
- grid.1007.60000 0004 0486 528XMolecular Horizons, School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522 Australia ,grid.510958.0Illawarra Health and Medical Research Institute, Wollongong, NSW 2522 Australia
| | - Joel P. Mackay
- grid.1013.30000 0004 1936 834XSchool of Life and Environmental Sciences, University of Sydney, The University of Sydney, NSW 2006 Australia
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11
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Zhang FL, Li DQ. Targeting Chromatin-Remodeling Factors in Cancer Cells: Promising Molecules in Cancer Therapy. Int J Mol Sci 2022; 23:12815. [PMID: 36361605 PMCID: PMC9655648 DOI: 10.3390/ijms232112815] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/12/2022] [Accepted: 10/19/2022] [Indexed: 03/28/2024] Open
Abstract
ATP-dependent chromatin-remodeling complexes can reorganize and remodel chromatin and thereby act as important regulator in various cellular processes. Based on considerable studies over the past two decades, it has been confirmed that the abnormal function of chromatin remodeling plays a pivotal role in genome reprogramming for oncogenesis in cancer development and/or resistance to cancer therapy. Recently, exciting progress has been made in the identification of genetic alteration in the genes encoding the chromatin-remodeling complexes associated with tumorigenesis, as well as in our understanding of chromatin-remodeling mechanisms in cancer biology. Here, we present preclinical evidence explaining the signaling mechanisms involving the chromatin-remodeling misregulation-induced cancer cellular processes, including DNA damage signaling, metastasis, angiogenesis, immune signaling, etc. However, even though the cumulative evidence in this field provides promising emerging molecules for therapeutic explorations in cancer, more research is needed to assess the clinical roles of these genetic cancer targets.
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Affiliation(s)
- Fang-Lin Zhang
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Da-Qiang Li
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Department of Breast Surgery, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Shanghai Key Laboratory of Breast Cancer, Shanghai Medical College, Fudan University, Shanghai 200032, China
- Shanghai Key Laboratory of Radiation Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
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12
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Blessing C, Apelt K, van den Heuvel D, Gonzalez-Leal C, Rother MB, van der Woude M, González-Prieto R, Yifrach A, Parnas A, Shah RG, Kuo TT, Boer DEC, Cai J, Kragten A, Kim HS, Schärer OD, Vertegaal ACO, Shah GM, Adar S, Lans H, van Attikum H, Ladurner AG, Luijsterburg MS. XPC-PARP complexes engage the chromatin remodeler ALC1 to catalyze global genome DNA damage repair. Nat Commun 2022; 13:4762. [PMID: 35963869 PMCID: PMC9376112 DOI: 10.1038/s41467-022-31820-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/29/2022] [Indexed: 11/24/2022] Open
Abstract
Cells employ global genome nucleotide excision repair (GGR) to eliminate a broad spectrum of DNA lesions, including those induced by UV light. The lesion-recognition factor XPC initiates repair of helix-destabilizing DNA lesions, but binds poorly to lesions such as CPDs that do not destabilize DNA. How difficult-to-repair lesions are detected in chromatin is unknown. Here, we identify the poly-(ADP-ribose) polymerases PARP1 and PARP2 as constitutive interactors of XPC. Their interaction results in the XPC-stimulated synthesis of poly-(ADP-ribose) (PAR) by PARP1 at UV lesions, which in turn enables the recruitment and activation of the PAR-regulated chromatin remodeler ALC1. PARP2, on the other hand, modulates the retention of ALC1 at DNA damage sites. Notably, ALC1 mediates chromatin expansion at UV-induced DNA lesions, leading to the timely clearing of CPD lesions. Thus, we reveal how chromatin containing difficult-to-repair DNA lesions is primed for repair, providing insight into mechanisms of chromatin plasticity during GGR. Cells employ global genome nucleotide excision repair to repair a broad spectrum of genomic DNA lesions. Here, the authors reveal how chromatin is primed for repair, providing insight into mechanisms of chromatin plasticity during DNA repair.
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Affiliation(s)
- Charlotte Blessing
- Biomedical Center (BMC), Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany.,International Max Planck Research School (IMPRS) for Molecular Life Sciences, Planegg-Martinsried, Germany
| | - Katja Apelt
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Diana van den Heuvel
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Claudia Gonzalez-Leal
- Biomedical Center (BMC), Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany.,International Max Planck Research School (IMPRS) for Molecular Life Sciences, Planegg-Martinsried, Germany
| | - Magdalena B Rother
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Melanie van der Woude
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Román González-Prieto
- Department of Cell and Chemical Biology, Leiden University Medical Center (LUMC), Leiden, The Netherlands.,Genome Proteomics Laboratory, Andalusian Center For Molecular Biology and Regenerative Medicine (CABIMER), University of Seville, Seville, Spain.,Department of Cell Biology, University of Seville, Seville, Spain
| | - Adi Yifrach
- Department of Microbiology and Molecular Genetics, The Institute for Medical Research Israel-Canada, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Avital Parnas
- Department of Microbiology and Molecular Genetics, The Institute for Medical Research Israel-Canada, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Rashmi G Shah
- Laboratory for Skin Cancer Research, CHU-Q: Laval University Hospital Research Centre of Quebec (CHUL site), Quebec City, Canada
| | - Tia Tyrsett Kuo
- Biomedical Center (BMC), Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany.,International Max Planck Research School (IMPRS) for Molecular Life Sciences, Planegg-Martinsried, Germany
| | - Daphne E C Boer
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Jin Cai
- Biomedical Center (BMC), Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany.,International Max Planck Research School (IMPRS) for Molecular Life Sciences, Planegg-Martinsried, Germany
| | - Angela Kragten
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Hyun-Suk Kim
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
| | - Orlando D Schärer
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea.,Department of Biological Sciences, School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Alfred C O Vertegaal
- Department of Cell and Chemical Biology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Girish M Shah
- Laboratory for Skin Cancer Research, CHU-Q: Laval University Hospital Research Centre of Quebec (CHUL site), Quebec City, Canada
| | - Sheera Adar
- Department of Microbiology and Molecular Genetics, The Institute for Medical Research Israel-Canada, The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Hannes Lans
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Haico van Attikum
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - Andreas G Ladurner
- Biomedical Center (BMC), Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany. .,International Max Planck Research School (IMPRS) for Molecular Life Sciences, Planegg-Martinsried, Germany. .,Eisbach Bio GmbH, Planegg-Martinsried, Germany.
| | - Martijn S Luijsterburg
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands.
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13
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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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14
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Longarini EJ, Matic I. The fast-growing business of Serine ADP-ribosylation. DNA Repair (Amst) 2022; 118:103382. [DOI: 10.1016/j.dnarep.2022.103382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 11/03/2022]
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15
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Acidic patch histone mutations and their effects on nucleosome remodeling. Biochem Soc Trans 2022; 50:907-919. [PMID: 35356970 DOI: 10.1042/bst20210773] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/16/2022] [Accepted: 03/18/2022] [Indexed: 12/15/2022]
Abstract
Structural and biochemical studies have identified a histone surface on each side of the nucleosome disk termed 'the nucleosome acidic patch' that acts as a regulatory hub for the function of numerous nuclear proteins, including ATP-dependent chromatin complexes (remodelers). Four major remodeler subfamilies, SWI/SNF, ISWI, CHD, and INO80, have distinct modes of interaction with one or both nucleosome acidic patches, contributing to their specific remodeling outcomes. Genome-wide sequencing analyses of various human cancers have uncovered high-frequency mutations in histone coding genes, including some that map to the acidic patch. How cancer-related acidic patch histone mutations affect nucleosome remodeling is mainly unknown. Recent advances in in vitro chromatin reconstitution have enabled access to physiologically relevant nucleosomes, including asymmetric nucleosomes that possess both wild-type and acidic patch mutant histone copies. Biochemical investigation of these substrates revealed unexpected remodeling outcomes with far-reaching implications for alteration of chromatin structure. This review summarizes recent findings of how different remodeler families interpret wild-type and mutant acidic patches for their remodeling functions and discusses models for remodeler-mediated changes in chromatin landscapes as a consequence of acidic patch mutations.
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16
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Prigaro BJ, Esquer H, Zhou Q, Pike LA, Awolade P, Lai XH, Abraham AD, Abbott JM, Matter B, Kompella UB, Messersmith WA, Gustafson DL, LaBarbera DV. Design, Synthesis, and Biological Evaluation of the First Inhibitors of Oncogenic CHD1L. J Med Chem 2022; 65:3943-3961. [PMID: 35192363 DOI: 10.1021/acs.jmedchem.1c01778] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Chromodomain helicase DNA-binding protein 1 like (CHD1L) is an oncogene implicated in tumor progression, multidrug resistance, and metastasis in many types of cancer. In this article, we described the optimization of the first lead CHD1L inhibitors (CHD1Li) through drug design and medicinal chemistry. More than 30 CHD1Li were synthesized and evaluated using a variety of colorectal cancer (CRC) tumor organoid models and functional assays. The results led to the prioritization of six lead CHD1Li analogues with improved potency, antitumor activity, and drug-like properties including metabolic stability and in vivo pharmacokinetics. Furthermore, lead CHD1Li 6.11 proved to be an orally bioavailable antitumor agent, significantly reducing the tumor volume of CRC xenografts generated from isolated quasi mesenchymal cells (M-phenotype), which possess enhanced tumorigenic properties. In conclusion, we reported the optimization of first-in-class inhibitors of oncogenic CHD1L as a novel therapeutic strategy with potential for the treatment of cancer.
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Affiliation(s)
- Brett J Prigaro
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Hector Esquer
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Qiong Zhou
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Laura A Pike
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Paul Awolade
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Xin-He Lai
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Adedoyin D Abraham
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Joshua M Abbott
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Brock Matter
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Uday B Kompella
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States.,The University of Colorado (CU) Anschutz Medical Campus (AMC) Center for Drug Discovery, The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Wells A Messersmith
- The School of Medicine, Division of Medical Oncology, The CU Cancer Center, Aurora, Colorado 80045, United States.,The University of Colorado (CU) Anschutz Medical Campus (AMC) Center for Drug Discovery, The CU Cancer Center, Aurora, Colorado 80045, United States.,The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Daniel L Gustafson
- Flint Animal Cancer Center and Department of Clinical Sciences, School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523, United States.,The University of Colorado (CU) Anschutz Medical Campus (AMC) Center for Drug Discovery, The CU Cancer Center, Aurora, Colorado 80045, United States.,The CU Cancer Center, Aurora, Colorado 80045, United States
| | - Daniel V LaBarbera
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The CU Cancer Center, Aurora, Colorado 80045, United States.,The University of Colorado (CU) Anschutz Medical Campus (AMC) Center for Drug Discovery, The CU Cancer Center, Aurora, Colorado 80045, United States.,The CU Cancer Center, Aurora, Colorado 80045, United States
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17
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Unconventional metabolites in chromatin regulation. Biosci Rep 2022; 42:230604. [PMID: 34988581 PMCID: PMC8777195 DOI: 10.1042/bsr20211558] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 11/17/2022] Open
Abstract
Chromatin, the complex of DNA and histone proteins, serves as a main integrator of cellular signals. Increasing evidence links cellular functional to chromatin state. Indeed, different metabolites are emerging as modulators of chromatin function and structure. Alterations in chromatin state are decisive for regulating all aspects of genome function and ultimately have the potential to produce phenotypic changes. Several metabolites such as acetyl-CoA, S-adenosylmethionine (SAM) or adenosine triphosphate (ATP) have now been well characterized as main substrates or cofactors of chromatin-modifying enzymes. However, there are other metabolites that can directly interact with chromatin influencing its state or that modulate the properties of chromatin regulatory factors. Also, there is a growing list of atypical enzymatic and nonenzymatic chromatin modifications that originate from different cellular pathways that have not been in the limelight of chromatin research. Here, we summarize different properties and functions of uncommon regulatory molecules originating from intermediate metabolism of lipids, carbohydrates and amino acids. Based on the various modes of action on chromatin and the plethora of putative, so far not described chromatin-regulating metabolites, we propose that there are more links between cellular functional state and chromatin regulation to be discovered. We hypothesize that these connections could provide interesting starting points for interfering with cellular epigenetic states at a molecular level.
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18
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Mohapatra J, Tashiro K, Beckner RL, Sierra J, Kilgore JA, Williams NS, Liszczak G. Serine ADP-ribosylation marks nucleosomes for ALC1-dependent chromatin remodeling. eLife 2021; 10:71502. [PMID: 34874266 PMCID: PMC8683085 DOI: 10.7554/elife.71502] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 11/20/2021] [Indexed: 12/27/2022] Open
Abstract
Serine ADP-ribosylation (ADPr) is a DNA damage-induced post-translational modification catalyzed by the PARP1/2:HPF1 complex. As the list of PARP1/2:HPF1 substrates continues to expand, there is a need for technologies to prepare mono- and poly-ADP-ribosylated proteins for biochemical interrogation. Here, we investigate the unique peptide ADPr activities catalyzed by PARP1 in the absence and presence of HPF1. We then exploit these activities to develop a method that facilitates installation of ADP-ribose polymers onto peptides with precise control over chain length and modification site. Importantly, the enzymatically mono- and poly-ADP-ribosylated peptides are fully compatible with protein ligation technologies. This chemoenzymatic protein synthesis strategy was employed to assemble a series of full-length, ADP-ribosylated histones and show that ADPr at histone H2B serine 6 or histone H3 serine 10 converts nucleosomes into robust substrates for the chromatin remodeler ALC1. We found ALC1 preferentially remodels 'activated' substrates within heterogeneous mononucleosome populations and asymmetrically ADP-ribosylated dinucleosome substrates, and that nucleosome serine ADPr is sufficient to stimulate ALC1 activity in nuclear extracts. Our study identifies a biochemical function for nucleosome serine ADPr and describes a new, highly modular approach to explore the impact that site-specific serine mono- and poly-ADPr have on protein function.
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Affiliation(s)
- Jugal Mohapatra
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States
| | - Kyuto Tashiro
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States
| | - Ryan L Beckner
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States
| | - Jorge Sierra
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States
| | - Jessica A Kilgore
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States.,Preclinical Pharmacology Core, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, United States
| | - Noelle S Williams
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States.,Preclinical Pharmacology Core, Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, United States
| | - Glen Liszczak
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, United States
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19
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Fugger K, Hewitt G, West SC, Boulton SJ. Tackling PARP inhibitor resistance. Trends Cancer 2021; 7:1102-1118. [PMID: 34563478 DOI: 10.1016/j.trecan.2021.08.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/25/2021] [Accepted: 08/27/2021] [Indexed: 12/23/2022]
Abstract
Homologous recombination-deficient (HRD) tumours, including those harbouring mutations in the BRCA genes, are hypersensitive to treatment with inhibitors of poly(ADP-ribose) polymerase (PARPis). Despite high response rates, most HRD cancers ultimately develop resistance to PARPi treatment through reversion mutations or genetic/epigenetic alterations to DNA repair pathways. Counteracting these resistance pathways, thereby increasing the potency of PARPi therapy, represents a potential strategy to improve the treatment of HRD cancers. In this review, we discuss recent insights derived from genetic screens that have identified a number of novel genes that can be targeted to improve PARPi treatment of HRD cancers and may provide a means to overcome PARPi resistance.
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Affiliation(s)
- Kasper Fugger
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Graeme Hewitt
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Stephen C West
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
| | - Simon J Boulton
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK; Artios Pharma Ltd. B940, Babraham Research Campus, Cambridge, CB22 3FH, UK.
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20
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Markert J, Zhou K, Luger K. SMARCAD1 is an ATP-dependent histone octamer exchange factor with de novo nucleosome assembly activity. SCIENCE ADVANCES 2021; 7:eabk2380. [PMID: 34652950 PMCID: PMC8519567 DOI: 10.1126/sciadv.abk2380] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The adenosine 5′-triphosphate (ATP)–dependent chromatin remodeler SMARCAD1 acts on nucleosomes during DNA replication, repair, and transcription, but despite its implication in disease, information on its function and biochemical activities is scarce. Chromatin remodelers use the energy of ATP hydrolysis to slide nucleosomes, evict histones, or exchange histone variants. Here, we show that SMARCAD1 transfers the entire histone octamer from one DNA segment to another in an ATP-dependent manner but is also capable of de novo nucleosome assembly from histone octamer because of its ability to simultaneously bind all histones. We present a low-resolution cryo–electron microscopy structure of SMARCAD1 in complex with a nucleosome and show that the adenosine triphosphatase domains engage their substrate unlike any other chromatin remodeler. Our biochemical and structural data provide mechanistic insights into SMARCAD1-induced nucleosome disassembly and reassembly.
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Affiliation(s)
- Jonathan Markert
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Keda Zhou
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Karolin Luger
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO 80303, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
- Corresponding author.
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21
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Abstract
The SNF2 family ATPase Amplified in Liver Cancer 1 (ALC1) is the only chromatin remodeling enzyme with a poly(ADP-ribose) (PAR) binding macrodomain. ALC1 functions together with poly(ADP-ribose) polymerase PARP1 to remodel nucleosomes. Activation of ALC1 cryptic ATPase activity and the subsequent nucleosome remodeling requires binding of its macrodomain to PAR chains synthesized by PARP1 and NAD+ A key question is whether PARP1 has a role(s) in ALC1-dependent nucleosome remodeling beyond simply synthesizing the PAR chains needed to activate the ALC1 ATPase. Here, we identify PARP1 separation-of-function mutants that activate ALC1 ATPase but do not support nucleosome remodeling by ALC1. Investigation of these mutants has revealed multiple functions for PARP1 in ALC1-dependent nucleosome remodeling and provides insights into its multifaceted role in chromatin remodeling.
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22
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Bacic L, Gaullier G, Sabantsev A, Lehmann LC, Brackmann K, Dimakou D, Halic M, Hewitt G, Boulton SJ, Deindl S. Structure and dynamics of the chromatin remodeler ALC1 bound to a PARylated nucleosome. eLife 2021; 10:e71420. [PMID: 34486521 PMCID: PMC8463071 DOI: 10.7554/elife.71420] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/05/2021] [Indexed: 12/21/2022] Open
Abstract
The chromatin remodeler ALC1 is recruited to and activated by DNA damage-induced poly(ADP-ribose) (PAR) chains deposited by PARP1/PARP2/HPF1 upon detection of DNA lesions. ALC1 has emerged as a candidate drug target for cancer therapy as its loss confers synthetic lethality in homologous recombination-deficient cells. However, structure-based drug design and molecular analysis of ALC1 have been hindered by the requirement for PARylation and the highly heterogeneous nature of this post-translational modification. Here, we reconstituted an ALC1 and PARylated nucleosome complex modified in vitro using PARP2 and HPF1. This complex was amenable to cryo-EM structure determination without cross-linking, which enabled visualization of several intermediate states of ALC1 from the recognition of the PARylated nucleosome to the tight binding and activation of the remodeler. Functional biochemical assays with PARylated nucleosomes highlight the importance of nucleosomal epitopes for productive remodeling and suggest that ALC1 preferentially slides nucleosomes away from DNA breaks.
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Affiliation(s)
- Luka Bacic
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
| | - Guillaume Gaullier
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
| | - Anton Sabantsev
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
| | - Laura C Lehmann
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
| | - Klaus Brackmann
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
| | - Despoina Dimakou
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
| | - Mario Halic
- Department of Structural Biology, St Jude Children's Research HospitalMemphisUnited States
| | | | | | - Sebastian Deindl
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala UniversityUppsalaSweden
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23
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Structural basis of ALC1/CHD1L autoinhibition and the mechanism of activation by the nucleosome. Nat Commun 2021; 12:4057. [PMID: 34210977 PMCID: PMC8249414 DOI: 10.1038/s41467-021-24320-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 06/09/2021] [Indexed: 12/20/2022] Open
Abstract
Chromatin remodeler ALC1 (amplification in liver cancer 1) is crucial for repairing damaged DNA. It is autoinhibited and activated by nucleosomal epitopes. However, the mechanisms by which ALC1 is regulated remain unclear. Here we report the crystal structure of human ALC1 and the cryoEM structure bound to the nucleosome. The structure shows the macro domain of ALC1 binds to lobe 2 of the ATPase motor, sequestering two elements for nucleosome recognition, explaining the autoinhibition mechanism of the enzyme. The H4 tail competes with the macro domain for lobe 2-binding, explaining the requirement for this nucleosomal epitope for ALC1 activation. A dual-arginine-anchor motif of ALC1 recognizes the acidic pocket of the nucleosome, which is critical for chromatin remodeling in vitro. Together, our findings illustrate the structures of ALC1 and shed light on its regulation mechanisms, paving the way for the discovery of drugs targeting ALC1 for the treatment of cancer. The oncogenic chromatin remodeler ALC1 (amplification in liver cancer 1), also known as CHD1L is an ATP-dependent chromatin remodeler that relaxes chromatin and plays an important role in the poly(ADP-ribose) polymerase 1 -mediated DNA repair pathway. Here, the authors present the ALC1 crystal structure and a cryo-EM structure of ALC1 bound to a nucleosome, which reveal that ALC1 is autoinhibited and how it becomes activated.
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24
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Clapier CR. Sophisticated Conversations between Chromatin and Chromatin Remodelers, and Dissonances in Cancer. Int J Mol Sci 2021; 22:5578. [PMID: 34070411 PMCID: PMC8197500 DOI: 10.3390/ijms22115578] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/18/2021] [Accepted: 05/18/2021] [Indexed: 01/13/2023] Open
Abstract
The establishment and maintenance of genome packaging into chromatin contribute to define specific cellular identity and function. Dynamic regulation of chromatin organization and nucleosome positioning are critical to all DNA transactions-in particular, the regulation of gene expression-and involve the cooperative action of sequence-specific DNA-binding factors, histone modifying enzymes, and remodelers. Remodelers are molecular machines that generate various chromatin landscapes, adjust nucleosome positioning, and alter DNA accessibility by using ATP binding and hydrolysis to perform DNA translocation, which is highly regulated through sophisticated structural and functional conversations with nucleosomes. In this review, I first present the functional and structural diversity of remodelers, while emphasizing the basic mechanism of DNA translocation, the common regulatory aspects, and the hand-in-hand progressive increase in complexity of the regulatory conversations between remodelers and nucleosomes that accompanies the increase in challenges of remodeling processes. Next, I examine how, through nucleosome positioning, remodelers guide the regulation of gene expression. Finally, I explore various aspects of how alterations/mutations in remodelers introduce dissonance into the conversations between remodelers and nucleosomes, modify chromatin organization, and contribute to oncogenesis.
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Affiliation(s)
- Cedric R Clapier
- Department of Oncological Sciences & Howard Hughes Medical Institute, Huntsman Cancer Institute, University of Utah School of Medicine, 2000 Circle of Hope, Salt Lake City, UT 84112, USA
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25
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Xiong X, Lai X, Li A, Liu Z, Ma N. Diversity roles of CHD1L in normal cell function and tumorigenesis. Biomark Res 2021; 9:16. [PMID: 33663617 PMCID: PMC7934534 DOI: 10.1186/s40364-021-00269-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/16/2021] [Indexed: 12/14/2022] Open
Abstract
Chromodomain helicase/ATPase DNA binding protein 1-like gene (CHD1L) is a multifunctional protein participated in diverse cellular processes, including chromosome remodeling, cell differentiation and development. CHD1L is a regulator of chromosomal integrity maintenance, DNA repair and transcriptional regulation through its bindings to DNA. By regulating kinds of complex networks, CHD1L has been identified as a potent anti-apoptotic and pro-proliferative factor. CHD1L is also an oncoprotein since its overexpression leads to dysregulation of related downstream targets in various cancers. The latest advances in the functional molecular basis of CHD1L in normal cells will be described in this review. As the same time, we will describe the current understanding of CHD1L in terms of structure, characteristics, function and the molecular mechanisms underlying CHD1L in tumorigenesis. We inference that the role of CHD1L which involve in multiple cellular processes and oncogenesis is well worth further studying in basic biology and clinical relevance.
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Affiliation(s)
- Xifeng Xiong
- Guangzhou Institute of Traumatic Surgery, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, 510220, China
| | - Xudong Lai
- Departement of infectious disease, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, 510220, China
| | - Aiguo Li
- Guangzhou Institute of Traumatic Surgery, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, 510220, China.
| | - Zhihe Liu
- Guangzhou Institute of Traumatic Surgery, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, 510220, China.
| | - Ningfang Ma
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, China. .,Department of Histology and Embryology, Guangzhou Medical University, Xinzao Town, Panyu District, Guangzhou, 511436, China.
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26
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Hewitt G, Borel V, Segura-Bayona S, Takaki T, Ruis P, Bellelli R, Lehmann LC, Sommerova L, Vancevska A, Tomas-Loba A, Zhu K, Cooper C, Fugger K, Patel H, Goldstone R, Schneider-Luftman D, Herbert E, Stamp G, Brough R, Pettitt S, Lord CJ, West SC, Ahel I, Ahel D, Chapman JR, Deindl S, Boulton SJ. Defective ALC1 nucleosome remodeling confers PARPi sensitization and synthetic lethality with HRD. Mol Cell 2021; 81:767-783.e11. [PMID: 33333017 PMCID: PMC7895907 DOI: 10.1016/j.molcel.2020.12.006] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 11/09/2020] [Accepted: 12/03/2020] [Indexed: 12/19/2022]
Abstract
Chromatin is a barrier to efficient DNA repair, as it hinders access and processing of certain DNA lesions. ALC1/CHD1L is a nucleosome-remodeling enzyme that responds to DNA damage, but its precise function in DNA repair remains unknown. Here we report that loss of ALC1 confers sensitivity to PARP inhibitors, methyl-methanesulfonate, and uracil misincorporation, which reflects the need to remodel nucleosomes following base excision by DNA glycosylases but prior to handover to APEX1. Using CRISPR screens, we establish that ALC1 loss is synthetic lethal with homologous recombination deficiency (HRD), which we attribute to chromosome instability caused by unrepaired DNA gaps at replication forks. In the absence of ALC1 or APEX1, incomplete processing of BER intermediates results in post-replicative DNA gaps and a critical dependence on HR for repair. Hence, targeting ALC1 alone or as a PARP inhibitor sensitizer could be employed to augment existing therapeutic strategies for HRD cancers.
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Affiliation(s)
- Graeme Hewitt
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Valerie Borel
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | | | - Tohru Takaki
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Phil Ruis
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | | | - Laura C Lehmann
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Lucia Sommerova
- Medical Research Council (MRC) Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK; Wellcome Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | | | - Antonia Tomas-Loba
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Kang Zhu
- Sir William Dunn School of Pathology, South Parks Road, University of Oxford, Oxford OX1 3RE, UK
| | - Christopher Cooper
- Sir William Dunn School of Pathology, South Parks Road, University of Oxford, Oxford OX1 3RE, UK
| | - Kasper Fugger
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Harshil Patel
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | | | | | - Ellie Herbert
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Gordon Stamp
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Rachel Brough
- The CRUK Gene Function Laboratory, The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK
| | - Stephen Pettitt
- The CRUK Gene Function Laboratory, The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK
| | - Christopher J Lord
- The CRUK Gene Function Laboratory, The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK
| | - Stephen C West
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Ivan Ahel
- Sir William Dunn School of Pathology, South Parks Road, University of Oxford, Oxford OX1 3RE, UK
| | - Dragana Ahel
- Sir William Dunn School of Pathology, South Parks Road, University of Oxford, Oxford OX1 3RE, UK
| | - J Ross Chapman
- Medical Research Council (MRC) Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK; Wellcome Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - Sebastian Deindl
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Simon J Boulton
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK; Artios Pharma Ltd., Meditrina, Babraham Research Campus, Cambridge CB22 3AT, UK.
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27
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Verma P, Zhou Y, Cao Z, Deraska PV, Deb M, Arai E, Li W, Shao Y, Puentes L, Li Y, Patankar S, Mach RH, Faryabi RB, Shi J, Greenberg RA. ALC1 links chromatin accessibility to PARP inhibitor response in homologous recombination-deficient cells. Nat Cell Biol 2021; 23:160-171. [PMID: 33462394 PMCID: PMC7880902 DOI: 10.1038/s41556-020-00624-3] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 12/08/2020] [Indexed: 01/29/2023]
Abstract
The response to poly(ADP-ribose) polymerase inhibitors (PARPi) is dictated by homologous recombination (HR) DNA repair and the abundance of lesions that trap PARP enzymes. It remains unclear, however, if the established role of PARP in promoting chromatin accessibility impacts viability in these settings. Using a CRISPR-based screen, we identified the PAR-binding chromatin remodeller ALC1/CHD1L as a key determinant of PARPi toxicity in HR-deficient cells. ALC1 loss reduced viability of breast cancer gene (BRCA)-mutant cells and enhanced sensitivity to PARPi by up to 250-fold, while overcoming several resistance mechanisms. ALC1 deficiency reduced chromatin accessibility concomitant with a decrease in the association of base damage repair factors. This resulted in an accumulation of replication-associated DNA damage, increased PARP trapping and a reliance on HR. These findings establish PAR-dependent chromatin remodelling as a mechanistically distinct aspect of PARPi responses and therapeutic target in HR-deficient cancers.
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Affiliation(s)
- Priyanka Verma
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Yeqiao Zhou
- Departments of Pathology and Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Zhendong Cao
- Department of Cancer Biology, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Peter V. Deraska
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Moniher Deb
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Eri Arai
- Department of Cancer Biology, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Weihua Li
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Yue Shao
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Laura Puentes
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Yiwen Li
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Sonali Patankar
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Robert H. Mach
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Robert B. Faryabi
- Departments of Pathology and Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Junwei Shi
- Department of Cancer Biology, Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA,Address correspondence to: ;
| | - Roger A. Greenberg
- Department of Cancer Biology, Penn Center for Genome Integrity, Basser Center for BRCA, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA,Address correspondence to: ;
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28
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Lehmann LC, Bacic L, Hewitt G, Brackmann K, Sabantsev A, Gaullier G, Pytharopoulou S, Degliesposti G, Okkenhaug H, Tan S, Costa A, Skehel JM, Boulton SJ, Deindl S. Mechanistic Insights into Regulation of the ALC1 Remodeler by the Nucleosome Acidic Patch. Cell Rep 2020; 33:108529. [PMID: 33357431 PMCID: PMC7116876 DOI: 10.1016/j.celrep.2020.108529] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/08/2020] [Accepted: 11/24/2020] [Indexed: 01/09/2023] Open
Abstract
Upon DNA damage, the ALC1/CHD1L nucleosome remodeling enzyme (remodeler) is activated by binding to poly(ADP-ribose). How activated ALC1 recognizes the nucleosome, as well as how this recognition is coupled to remodeling, is unknown. Here, we show that remodeling by ALC1 requires a wild-type acidic patch on the entry side of the nucleosome. The cryo-electron microscopy structure of a nucleosome-ALC1 linker complex reveals a regulatory linker segment that binds to the acidic patch. Mutations within this interface alter the dynamics of ALC1 recruitment to DNA damage and impede the ATPase and remodeling activities of ALC1. Full activation requires acidic patch-linker segment interactions that tether the remodeler to the nucleosome and couple ATP hydrolysis to nucleosome mobilization. Upon DNA damage, such a requirement may be used to modulate ALC1 activity via changes in the nucleosome acidic patches.
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Affiliation(s)
- Laura C Lehmann
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Luka Bacic
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Graeme Hewitt
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Klaus Brackmann
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Anton Sabantsev
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Guillaume Gaullier
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Sofia Pytharopoulou
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden
| | - Gianluca Degliesposti
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
| | | | - Song Tan
- Center for Eukaryotic Gene Regulation, Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Alessandro Costa
- Macromolecular Machines Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - J Mark Skehel
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
| | - Simon J Boulton
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
| | - Sebastian Deindl
- Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, 75124 Uppsala, Sweden.
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29
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Blessing C, Mandemaker IK, Gonzalez-Leal C, Preisser J, Schomburg A, Ladurner AG. The Oncogenic Helicase ALC1 Regulates PARP Inhibitor Potency by Trapping PARP2 at DNA Breaks. Mol Cell 2020; 80:862-875.e6. [PMID: 33275888 DOI: 10.1016/j.molcel.2020.10.009] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/27/2020] [Accepted: 10/04/2020] [Indexed: 12/16/2022]
Abstract
The anti-tumor potency of poly(ADP-ribose) polymerase (PARP) inhibitors (PARPis) has been linked to trapping of PARP1 on damaged chromatin. However, little is known about their impact on PARP2, an isoform with overlapping functions at DNA lesions. Whether the release of PARP1/2 from DNA lesions is actively catalyzed by molecular machines is also not known. We found that PARPis robustly trap PARP2 and that the helicase ALC1 (CHD1L) is strictly required for PARP2 release. Catalytic inactivation of ALC1 quantitatively traps PARP2 but not PARP1. ALC1 manipulation impacts the response to single-strand DNA breaks through PARP2 trapping, potentiates PARPi-induced cancer cell killing, and mediates synthetic lethality upon BRCA deficiency. The chromatin remodeler ALC1 actively drives PARP2 turnover from DNA lesions, and PARP2 contributes to the cellular responses of PARPi. This suggests that disrupting the ATP-fueled remodeling forces of ALC1 might enable therapies that selectively target the DNA repair functions of PARPs in cancer.
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Affiliation(s)
- Charlotte Blessing
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany; International Max Planck Research School (IMPRS) for Molecular Life Sciences, 82152 Planegg-Martinsried, Germany
| | - Imke Karlijn Mandemaker
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany
| | - Claudia Gonzalez-Leal
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany; International Max Planck Research School (IMPRS) for Molecular Life Sciences, 82152 Planegg-Martinsried, Germany
| | - Julia Preisser
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany
| | - Adrian Schomburg
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany; Eisbach Bio GmbH, Am Klopferspitz 19, 82152 Planegg-Martinsried, Germany
| | - Andreas Gerhard Ladurner
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany; International Max Planck Research School (IMPRS) for Molecular Life Sciences, 82152 Planegg-Martinsried, Germany; Eisbach Bio GmbH, Am Klopferspitz 19, 82152 Planegg-Martinsried, Germany.
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30
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Kaufmann T, Herbert S, Hackl B, Besold JM, Schramek C, Gotzmann J, Elsayad K, Slade D. Direct measurement of protein-protein interactions by FLIM-FRET at UV laser-induced DNA damage sites in living cells. Nucleic Acids Res 2020; 48:e122. [PMID: 33053171 PMCID: PMC7708043 DOI: 10.1093/nar/gkaa859] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 09/04/2020] [Accepted: 09/22/2020] [Indexed: 01/27/2023] Open
Abstract
Protein-protein interactions are essential to ensure timely and precise recruitment of chromatin remodellers and repair factors to DNA damage sites. Conventional analyses of protein-protein interactions at a population level may mask the complexity of interaction dynamics, highlighting the need for a method that enables quantification of DNA damage-dependent interactions at a single-cell level. To this end, we integrated a pulsed UV laser on a confocal fluorescence lifetime imaging (FLIM) microscope to induce localized DNA damage. To quantify protein-protein interactions in live cells, we measured Förster resonance energy transfer (FRET) between mEGFP- and mCherry-tagged proteins, based on the fluorescence lifetime reduction of the mEGFP donor protein. The UV-FLIM-FRET system offers a unique combination of real-time and single-cell quantification of DNA damage-dependent interactions, and can distinguish between direct protein-protein interactions, as opposed to those mediated by chromatin proximity. Using the UV-FLIM-FRET system, we show the dynamic changes in the interaction between poly(ADP-ribose) polymerase 1, amplified in liver cancer 1, X-ray repair cross-complementing protein 1 and tripartite motif containing 33 after DNA damage. This new set-up complements the toolset for studying DNA damage response by providing single-cell quantitative and dynamic information about protein-protein interactions at DNA damage sites.
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Affiliation(s)
- Tanja Kaufmann
- Department of Biochemistry, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr Bohr-Gasse 9, 1030 Vienna, Austria
| | - Sébastien Herbert
- Department of Biochemistry, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr Bohr-Gasse 9, 1030 Vienna, Austria
| | - Benjamin Hackl
- Department of Biochemistry, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr Bohr-Gasse 9, 1030 Vienna, Austria
| | - Johanna Maria Besold
- Department of Biochemistry, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr Bohr-Gasse 9, 1030 Vienna, Austria
| | - Christopher Schramek
- Department of Biochemistry, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr Bohr-Gasse 9, 1030 Vienna, Austria
| | - Josef Gotzmann
- Department of Medical Biochemistry, Max Perutz Labs, Medical University of Vienna, Vienna Biocenter (VBC), 1030 Vienna, Austria
| | - Kareem Elsayad
- VBCF Advanced Microscopy Facility, Vienna Biocenter (VBC), Dr Bohr-Gasse 3, 1030 Vienna, Austria
| | - Dea Slade
- Department of Biochemistry, Max Perutz Labs, University of Vienna, Vienna Biocenter (VBC), Dr Bohr-Gasse 9, 1030 Vienna, Austria
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31
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Juhász S, Smith R, Schauer T, Spekhardt D, Mamar H, Zentout S, Chapuis C, Huet S, Timinszky G. The chromatin remodeler ALC1 underlies resistance to PARP inhibitor treatment. SCIENCE ADVANCES 2020; 6:eabb8626. [PMID: 33355125 PMCID: PMC11206534 DOI: 10.1126/sciadv.abb8626] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 09/28/2020] [Indexed: 05/13/2023]
Abstract
Poly(ADP-ribose) polymerase (PARP) inhibitors are used in the treatment of BRCA-deficient cancers, with treatments currently extending toward other homologous recombination defective tumors. In a genome-wide CRISPR knockout screen with olaparib, we identify ALC1 (Amplified in Liver Cancer 1)-a cancer-relevant poly(ADP-ribose)-regulated chromatin remodeling enzyme-as a key modulator of sensitivity to PARP inhibitor. We found that ALC1 can remove inactive PARP1 indirectly through binding to PARylated chromatin. Consequently, ALC1 deficiency enhances trapping of inhibited PARP1, which then impairs the binding of both nonhomologous end-joining and homologous recombination repair factors to DNA lesions. We also establish that ALC1 overexpression, a common feature in multiple tumor types, reduces the sensitivity of BRCA-deficient cells to PARP inhibitors. Together, we conclude that ALC1-dependent PARP1 mobilization is a key step underlying PARP inhibitor resistance.
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Affiliation(s)
- Szilvia Juhász
- MTA SZBK Lendület DNA Damage and Nuclear Dynamics Research Group, Institute of Genetics, Biological Research Centre, 6276 Szeged, Hungary
| | - Rebecca Smith
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes), UMR 6290, BIOSIT, UMS 3480, F-35000 Rennes, France
| | - Tamás Schauer
- Biomedical Center, Bioinformatics Unit, Ludwig Maximilian University of Munich, 82152 Planegg-Martinsried, Germany
| | - Dóra Spekhardt
- MTA SZBK Lendület DNA Damage and Nuclear Dynamics Research Group, Institute of Genetics, Biological Research Centre, 6276 Szeged, Hungary
| | - Hasan Mamar
- MTA SZBK Lendület DNA Damage and Nuclear Dynamics Research Group, Institute of Genetics, Biological Research Centre, 6276 Szeged, Hungary
| | - Siham Zentout
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes), UMR 6290, BIOSIT, UMS 3480, F-35000 Rennes, France
| | - Catherine Chapuis
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes), UMR 6290, BIOSIT, UMS 3480, F-35000 Rennes, France
| | - Sébastien Huet
- Univ Rennes, CNRS, IGDR (Institut de Génétique et Développement de Rennes), UMR 6290, BIOSIT, UMS 3480, F-35000 Rennes, France.
- Institut Universitaire de France, Paris France
| | - Gyula Timinszky
- MTA SZBK Lendület DNA Damage and Nuclear Dynamics Research Group, Institute of Genetics, Biological Research Centre, 6276 Szeged, Hungary.
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32
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Gaullier G, Roberts G, Muthurajan UM, Bowerman S, Rudolph J, Mahadevan J, Jha A, Rae PS, Luger K. Bridging of nucleosome-proximal DNA double-strand breaks by PARP2 enhances its interaction with HPF1. PLoS One 2020; 15:e0240932. [PMID: 33141820 PMCID: PMC7608914 DOI: 10.1371/journal.pone.0240932] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/05/2020] [Indexed: 12/19/2022] Open
Abstract
Poly(ADP-ribose) Polymerase 2 (PARP2) is one of three DNA-dependent PARPs involved in the detection of DNA damage. Upon binding to DNA double-strand breaks, PARP2 uses nicotinamide adenine dinucleotide to synthesize poly(ADP-ribose) (PAR) onto itself and other proteins, including histones. PAR chains in turn promote the DNA damage response by recruiting downstream repair factors. These early steps of DNA damage signaling are relevant for understanding how genome integrity is maintained and how their failure leads to genome instability or cancer. There is no structural information on DNA double-strand break detection in the context of chromatin. Here we present a cryo-EM structure of two nucleosomes bridged by human PARP2 and confirm that PARP2 bridges DNA ends in the context of nucleosomes bearing short linker DNA. We demonstrate that the conformation of PARP2 bound to damaged chromatin provides a binding platform for the regulatory protein Histone PARylation Factor 1 (HPF1), and that the resulting HPF1•PARP2•nucleosome complex is enzymatically active. Our results contribute to a structural view of the early steps of the DNA damage response in chromatin.
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Affiliation(s)
- Guillaume Gaullier
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
- Howard Hughes Medical Institute, University of Colorado Boulder, Boulder, CO, United States of America
| | - Genevieve Roberts
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
| | - Uma M. Muthurajan
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
- Howard Hughes Medical Institute, University of Colorado Boulder, Boulder, CO, United States of America
| | - Samuel Bowerman
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
- Howard Hughes Medical Institute, University of Colorado Boulder, Boulder, CO, United States of America
| | - Johannes Rudolph
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
- Howard Hughes Medical Institute, University of Colorado Boulder, Boulder, CO, United States of America
| | - Jyothi Mahadevan
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
| | - Asmita Jha
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
| | - Purushka S. Rae
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
| | - Karolin Luger
- Department of Biochemistry, University of Colorado Boulder, Boulder, CO, United States of America
- Howard Hughes Medical Institute, University of Colorado Boulder, Boulder, CO, United States of America
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33
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Markert J, Luger K. Nucleosomes Meet Their Remodeler Match. Trends Biochem Sci 2020; 46:41-50. [PMID: 32917506 DOI: 10.1016/j.tibs.2020.08.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/12/2020] [Accepted: 08/14/2020] [Indexed: 12/12/2022]
Abstract
Over 85% of all genomic DNA in eukaryotes is organized in arrays of nucleosomes, the basic organizational principle of chromatin. The tight interaction of DNA with histones represents a significant barrier for all DNA-dependent machineries. This is in part overcome by enzymes, termed ATP-dependent remodelers, that are recruited to nucleosomes at defined locations and modulate their structure. There are several different classes of remodelers, and all use specific nucleosome features to bind to and alter nucleosomes. This review highlights and summarizes areas of interactions with the nucleosome that allow remodeling to occur.
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Affiliation(s)
- Jonathan Markert
- Department of Biochemistry, University of Colorado at Boulder, Boulder, CO 80309, USA; Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | - Karolin Luger
- Department of Biochemistry, University of Colorado at Boulder, Boulder, CO 80309, USA; Howard Hughes Medical Institute, Chevy Chase, MD, USA.
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34
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Blessing C, Knobloch G, Ladurner AG. Restraining and unleashing chromatin remodelers - structural information guides chromatin plasticity. Curr Opin Struct Biol 2020; 65:130-138. [PMID: 32693313 DOI: 10.1016/j.sbi.2020.06.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/06/2020] [Accepted: 06/16/2020] [Indexed: 12/21/2022]
Abstract
Chromatin remodeling enzymes are large molecular machines that guard the genome by reorganizing chromatin structure. They can reposition, space and evict nucleosomes and thus control gene expression, DNA replication and repair. Recent cryo-electron microscopy (cryo-EM) analyses have captured snapshots of various chromatin remodelers as they interact with nucleosomes. In this review, we summarize and discuss the advances made in our understanding of the regulation of chromatin remodelers, the mode of DNA translocation, as well as the influence of associated protein domains and remodeler subunits on the specific functions of chromatin remodeling complexes. The emerging structural information will help our understanding of disease mechanisms and guide our knowledge toward innovative therapeutic interventions.
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Affiliation(s)
- Charlotte Blessing
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany; International Max Planck Research School for Molecular Life Sciences, Am Klopferspitz 18, 82152 Planegg-Martinsried, Germany
| | - Gunnar Knobloch
- Eisbach Bio GmbH, Am Klopferspitz 19, 82152, Planegg-Martinsried, Germany
| | - Andreas G Ladurner
- Department of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, 82152 Planegg-Martinsried, Germany; International Max Planck Research School for Molecular Life Sciences, Am Klopferspitz 18, 82152 Planegg-Martinsried, Germany; Eisbach Bio GmbH, Am Klopferspitz 19, 82152, Planegg-Martinsried, Germany.
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35
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Abbott JM, Zhou Q, Esquer H, Pike L, Broneske TP, Rinaldetti S, Abraham AD, Ramirez DA, Lunghofer PJ, Pitts TM, Regan DP, Tan AC, Gustafson DL, Messersmith WA, LaBarbera DV. First-in-Class Inhibitors of Oncogenic CHD1L with Preclinical Activity against Colorectal Cancer. Mol Cancer Ther 2020; 19:1598-1612. [PMID: 32499299 DOI: 10.1158/1535-7163.mct-20-0106] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/03/2020] [Accepted: 05/21/2020] [Indexed: 12/29/2022]
Abstract
Since the discovery of CHD1L in 2008, it has emerged as an oncogene implicated in the pathology and poor prognosis of a variety of cancers, including gastrointestinal cancers. However, a mechanistic understanding of CHD1L as a driver of colorectal cancer has been limited. Until now, there have been no reported inhibitors of CHD1L, also limiting its development as a molecular target. We sought to characterize the clinicopathologic link between CHD1L and colorectal cancer, determine the mechanism(s) by which CHD1L drives malignant colorectal cancer, and discover the first inhibitors with potential for novel treatments for colorectal cancer. The clinicopathologic characteristics associated with CHD1L expression were evaluated using microarray data from 585 patients with colorectal cancer. Further analysis of microarray data indicated that CHD1L may function through the Wnt/TCF pathway. Thus, we conducted knockdown and overexpression studies with CHD1L to determine its role in Wnt/TCF-driven epithelial-to-mesenchymal transition (EMT). We performed high-throughput screening (HTS) to identify the first CHD1L inhibitors. The mechanism of action, antitumor efficacy, and drug-like properties of lead CHD1L inhibitors were determined using biochemical assays, cell models, tumor organoids, patient-derived tumor organoids, and in vivo pharmacokinetics and pharmacodynamics. Lead CHD1L inhibitors display potent in vitro antitumor activity by reversing TCF-driven EMT. The best lead CHD1L inhibitor possesses drug-like properties in pharmacokinetic/pharmacodynamic mouse models. This work validates CHD1L as a druggable target and establishes a novel therapeutic strategy for the treatment of colorectal cancer.
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Affiliation(s)
- Joshua M Abbott
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Qiong Zhou
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Hector Esquer
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Laura Pike
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Travis P Broneske
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Sébastien Rinaldetti
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Adedoyin D Abraham
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Dominique A Ramirez
- Flint Animal Cancer Center and Department of Clinical Sciences, School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado
| | - Paul J Lunghofer
- Flint Animal Cancer Center and Department of Clinical Sciences, School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado
| | - Todd M Pitts
- The School of Medicine, Division of Medical Oncology, The University of Colorado Anschutz Medical Campus, Aurora, Colorado.,The University of Colorado Cancer Center, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Daniel P Regan
- Flint Animal Cancer Center and Department of Clinical Sciences, School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado
| | - Aik Choon Tan
- The School of Medicine, Division of Medical Oncology, The University of Colorado Anschutz Medical Campus, Aurora, Colorado.,The University of Colorado Cancer Center, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Daniel L Gustafson
- Flint Animal Cancer Center and Department of Clinical Sciences, School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado.,The University of Colorado Cancer Center, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Wells A Messersmith
- The School of Medicine, Division of Medical Oncology, The University of Colorado Anschutz Medical Campus, Aurora, Colorado.,The University of Colorado Cancer Center, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Daniel V LaBarbera
- The Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, The University of Colorado Anschutz Medical Campus, Aurora, Colorado. .,The University of Colorado Cancer Center, The University of Colorado Anschutz Medical Campus, Aurora, Colorado
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36
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Smith R, Lebeaupin T, Juhász S, Chapuis C, D'Augustin O, Dutertre S, Burkovics P, Biertümpfel C, Timinszky G, Huet S. Poly(ADP-ribose)-dependent chromatin unfolding facilitates the association of DNA-binding proteins with DNA at sites of damage. Nucleic Acids Res 2020; 47:11250-11267. [PMID: 31566235 PMCID: PMC6868358 DOI: 10.1093/nar/gkz820] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 09/01/2019] [Accepted: 09/26/2019] [Indexed: 12/19/2022] Open
Abstract
The addition of poly(ADP-ribose) (PAR) chains along the chromatin fiber due to PARP1 activity regulates the recruitment of multiple factors to sites of DNA damage. In this manuscript, we investigated how, besides direct binding to PAR, early chromatin unfolding events controlled by PAR signaling contribute to recruitment to DNA lesions. We observed that different DNA-binding, but not histone-binding, domains accumulate at damaged chromatin in a PAR-dependent manner, and that this recruitment correlates with their affinity for DNA. Our findings indicate that this recruitment is promoted by early PAR-dependent chromatin remodeling rather than direct interaction with PAR. Moreover, recruitment is not the consequence of reduced molecular crowding at unfolded damaged chromatin but instead originates from facilitated binding to more exposed DNA. These findings are further substantiated by the observation that PAR-dependent chromatin remodeling at DNA lesions underlies increased DNAse hypersensitivity. Finally, the relevance of this new mode of PAR-dependent recruitment to DNA lesions is demonstrated by the observation that reducing the affinity for DNA of both CHD4 and HP1α, two proteins shown to be involved in the DNA-damage response, strongly impairs their recruitment to DNA lesions.
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Affiliation(s)
- Rebecca Smith
- Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Théo Lebeaupin
- Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Szilvia Juhász
- MTA SZBK Lendület DNA damage and nuclear dynamics research group, Institute of Genetics, Biological Research Center, 6276 Szeged, Hungary
| | - Catherine Chapuis
- Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Ostiane D'Augustin
- Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Stéphanie Dutertre
- Univ Rennes, CNRS, Inserm, BIOSIT (Biologie, Santé, Innovation Technologique de Rennes) - UMS 3480, US 018, F-35000 Rennes, France
| | - Peter Burkovics
- Laboratory of Replication and Genome Stability, Institute of Genetics, Biological Research Center, 6276 Szeged, Hungary
| | - Christian Biertümpfel
- Department of Structural Cell Biology, Molecular Mechanisms of DNA Repair, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Gyula Timinszky
- MTA SZBK Lendület DNA damage and nuclear dynamics research group, Institute of Genetics, Biological Research Center, 6276 Szeged, Hungary
| | - Sébastien Huet
- Univ Rennes, CNRS, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
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37
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Raiymbek G, An S, Khurana N, Gopinath S, Larkin A, Biswas S, Trievel RC, Cho US, Ragunathan K. An H3K9 methylation-dependent protein interaction regulates the non-enzymatic functions of a putative histone demethylase. eLife 2020; 9:53155. [PMID: 32195666 PMCID: PMC7192584 DOI: 10.7554/elife.53155] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 03/19/2020] [Indexed: 02/06/2023] Open
Abstract
H3K9 methylation (H3K9me) specifies the establishment and maintenance of transcriptionally silent epigenetic states or heterochromatin. The enzymatic erasure of histone modifications is widely assumed to be the primary mechanism that reverses epigenetic silencing. Here, we reveal an inversion of this paradigm where a putative histone demethylase Epe1 in fission yeast, has a non-enzymatic function that opposes heterochromatin assembly. Mutations within the putative catalytic JmjC domain of Epe1 disrupt its interaction with Swi6HP1 suggesting that this domain might have other functions besides enzymatic activity. The C-terminus of Epe1 directly interacts with Swi6HP1, and H3K9 methylation stimulates this protein-protein interaction in vitro and in vivo. Expressing the Epe1 C-terminus is sufficient to disrupt heterochromatin by outcompeting the histone deacetylase, Clr3 from sites of heterochromatin formation. Our results underscore how histone modifying proteins that resemble enzymes have non-catalytic functions that regulate the assembly of epigenetic complexes in cells. A cell’s identity depends on which of its genes are active. One way for cells to control this process is to change how accessible their genes are to the molecular machinery that switches them on and off. Special proteins called histones determine how accessible genes are by altering how loosely or tightly DNA is packed together. Histones can be modified by enzymes, which are proteins that add or remove specific chemical ‘tags’. These tags regulate how accessible genes are and provide cells with a memory of gene activity. For example, a protein found in yeast called Epe1 helps reactivate large groups of genes after cell division, effectively ‘re-setting’ the yeast’s genome and eliminating past memories of the genes being inactive. For a long time, Epe1 was thought to do this by removing methyl groups, a ‘tag’ that indicates a gene is inactive, from histones – that is, by acting like an enzyme. However, no direct evidence to support this hypothesis has been found. Raiymbek et al. therefore set out to determine exactly how Epe1 worked, and whether or not it did indeed behave like an enzyme. Initial experiments testing mutant versions of Epe1 in yeast cells showed that the changes expected to stop Epe1 from removing methyl groups instead prevented the protein from ‘homing’ to the sections of DNA it normally activates. Detailed microscope imaging, using live yeast cells engineered to produce proteins with fluorescent markers, revealed that this inability to ‘home’ was due to a loss of interaction with Epe1’s main partner, a protein called Swi6. This protein recognizes and binds histones that have methyl tags. Swi6 also acts as a docking site for proteins involved in deactivating genes in close proximity to these histones. Further biochemical studies revealed how the interaction between Epe1 and Swi6 can help in gene reactivation. The methyl tag on histones in inactive regions of the genome inadvertently helps Epe1 interact more efficiently with Swi6. Then, Epe1 can simply block every other protein that binds to Swi6 from participating in gene deactivation. This observation contrasts with the prevailing view where the active removal of methyl tags by proteins such as Epe1 switches genes from an inactive to an active state. This work shows for the first time that Epe1 influences the state of the genome through a process that does not involve enzyme activity. In other words, although the protein may ‘moonlight’ as an enzyme, its main job uses a completely different mechanism. More broadly, these results increase the understanding of the many different ways that gene activity, and ultimately cell identity, can be controlled.
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Affiliation(s)
- Gulzhan Raiymbek
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
| | - Sojin An
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
| | - Nidhi Khurana
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
| | - Saarang Gopinath
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
| | - Ajay Larkin
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
| | - Saikat Biswas
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
| | - Raymond C Trievel
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States.,Department of Biophysics, University of Michigan, Ann Arbor, United States
| | - Uhn-Soo Cho
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States.,Department of Biophysics, University of Michigan, Ann Arbor, United States
| | - Kaushik Ragunathan
- Department of Biological Chemistry, University of Michigan, Ann Arbor, United States
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38
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Nussinov R, Tsai C, Jang H. Autoinhibition can identify rare driver mutations and advise pharmacology. FASEB J 2019; 34:16-29. [DOI: 10.1096/fj.201901341r] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 09/18/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Ruth Nussinov
- Computational Structural Biology Section Basic Science Program Frederick National Laboratory for Cancer Research Frederick MD USA
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine Tel Aviv University Tel Aviv Israel
| | - Chung‐Jung Tsai
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine Tel Aviv University Tel Aviv Israel
| | - Hyunbum Jang
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine Tel Aviv University Tel Aviv Israel
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39
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Garbrecht J, Hornegger H, Herbert S, Kaufmann T, Gotzmann J, Elsayad K, Slade D. Simultaneous dual-channel imaging to quantify interdependent protein recruitment to laser-induced DNA damage sites. Nucleus 2019; 9:474-491. [PMID: 30205747 PMCID: PMC6284507 DOI: 10.1080/19491034.2018.1516485] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Fluorescence microscopy in combination with the induction of localized DNA damage using focused light beams has played a major role in the study of protein recruitment kinetics to DNA damage sites in recent years. Currently published methods are dedicated to the study of single fluorophore/single protein kinetics. However, these methods may be limited when studying the relative recruitment dynamics between two or more proteins due to cell-to-cell variability in gene expression and recruitment kinetics, and are not suitable for comparative analysis of fast-recruiting proteins. To tackle these limitations, we have established a time-lapse fluorescence microscopy method based on simultaneous dual-channel acquisition following UV-A-induced local DNA damage coupled with a standardized image and recruitment analysis workflow. Simultaneous acquisition is achieved by spectrally splitting the emitted light into two light paths, which are simultaneously imaged on two halves of the same camera chip. To validate this method, we studied the recruitment of poly(ADP-ribose) polymerase 1 (PARP1), poly (ADP-ribose) glycohydrolase (PARG), proliferating cell nuclear antigen (PCNA) and the chromatin remodeler ALC1. In accordance with the published data based on single fluorophore imaging, simultaneous dual-channel imaging revealed that PARP1 regulates fast recruitment and dissociation of PARG and that in PARP1-depleted cells PARG and PCNA are recruited with comparable kinetics. This approach is particularly advantageous for analyzing the recruitment sequence of fast-recruiting proteins such as PARP1 and ALC1, and revealed that PARP1 is recruited faster than ALC1. Split-view imaging can be incorporated into any laser microirradiation-adapted microscopy setup together with a recruitment-dedicated image analysis package.
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Affiliation(s)
- Joachim Garbrecht
- a Department of Biochemistry, Max F. Perutz Laboratories , University of Vienna, Vienna Biocenter (VBC) , Vienna , Austria
| | - Harald Hornegger
- a Department of Biochemistry, Max F. Perutz Laboratories , University of Vienna, Vienna Biocenter (VBC) , Vienna , Austria
| | - Sebastien Herbert
- a Department of Biochemistry, Max F. Perutz Laboratories , University of Vienna, Vienna Biocenter (VBC) , Vienna , Austria
| | - Tanja Kaufmann
- a Department of Biochemistry, Max F. Perutz Laboratories , University of Vienna, Vienna Biocenter (VBC) , Vienna , Austria
| | - Josef Gotzmann
- b Department of Medical Biochemistry, Max F. Perutz Laboratories (MFPL) , Medical University of Vienna, Vienna Biocenter (VBC) , Vienna , Austria
| | - Kareem Elsayad
- c VBCF-Advanced Microscopy , Vienna Biocenter (VBC) , Vienna , Austria
| | - Dea Slade
- a Department of Biochemistry, Max F. Perutz Laboratories , University of Vienna, Vienna Biocenter (VBC) , Vienna , Austria
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40
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Smith R, Sellou H, Chapuis C, Huet S, Timinszky G. CHD3 and CHD4 recruitment and chromatin remodeling activity at DNA breaks is promoted by early poly(ADP-ribose)-dependent chromatin relaxation. Nucleic Acids Res 2019; 46:6087-6098. [PMID: 29733391 PMCID: PMC6158744 DOI: 10.1093/nar/gky334] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 04/23/2018] [Indexed: 12/12/2022] Open
Abstract
One of the first events to occur upon DNA damage is the local opening of the compact chromatin architecture, facilitating access of repair proteins to DNA lesions. This early relaxation is triggered by poly(ADP-ribosyl)ation by PARP1 in addition to ATP-dependent chromatin remodeling. CHD4 recruits to DNA breaks in a PAR-dependent manner, although it lacks any recognizable PAR-binding domain, and has the ability to relax chromatin structure. However, its role in chromatin relaxation at the site of DNA damage has not been explored. Using a live cell fluorescence three-hybrid assay, we demonstrate that the recruitment of CHD4 to DNA damage, while being poly(ADP-ribosyl)ation-dependent, is not through binding poly(ADP-ribose). Additionally, we show that CHD3 is recruited to DNA breaks in the same manner as CHD4 and that both CHD3 and CHD4 play active roles in chromatin remodeling at DNA breaks. Together, our findings reveal a two-step mechanism for DNA damage induced chromatin relaxation in which PARP1 and the PAR-binding remodeler activities of Alc1/CHD1L induce an initial chromatin relaxation phase that promotes the subsequent recruitment of CHD3 and CHD4 via binding to DNA for further chromatin remodeling at DNA breaks.
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Affiliation(s)
- Rebecca Smith
- Biomedical Center Munich, Physiological Chemistry, Ludwig-Maximilians-Universität München, 82152 Planegg-Martinsried, Germany.,Univ Rennes, CNRS, Structure fédérative de recherche Biosit, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Hafida Sellou
- Univ Rennes, CNRS, Structure fédérative de recherche Biosit, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Catherine Chapuis
- Univ Rennes, CNRS, Structure fédérative de recherche Biosit, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Sébastien Huet
- Univ Rennes, CNRS, Structure fédérative de recherche Biosit, IGDR (Institut de génétique et développement de Rennes) - UMR 6290, F- 35000 Rennes, France
| | - Gyula Timinszky
- Biomedical Center Munich, Physiological Chemistry, Ludwig-Maximilians-Universität München, 82152 Planegg-Martinsried, Germany.,MTA SZBK Lendület DNA damage and nuclear dynamics research group, Biological Research Center of the Hungarian Academy of Sciences, 6276 Szeged, Hungary
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41
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Dudkiewicz M, Pawłowski K. A novel conserved family of Macro-like domains-putative new players in ADP-ribosylation signaling. PeerJ 2019; 7:e6863. [PMID: 31106069 PMCID: PMC6500376 DOI: 10.7717/peerj.6863] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 03/28/2019] [Indexed: 12/30/2022] Open
Abstract
The presence of many completely uncharacterized proteins, even in well-studied organisms such as humans, seriously hampers a full understanding of the functioning of living cells. One such example is the human protein C12ORF4, which belongs to the DUF2362 family, present in many eukaryotic lineages and conserved in metazoans. The only functional information available on C12ORF4 (Chromosome 12 Open Reading Frame 4) is its involvement in mast cell degranulation and its being a genetic cause of autosomal intellectual disability. Bioinformatics analysis of the DUF2362 family provides strong evidence that it is a novel member of the Macro clan/superfamily. Sequence similarity analysis versus other representatives of the Macro superfamily of ADP-ribose-binding proteins and mapping sequence conservation on predicted three-dimensional structure provides hypotheses regarding the molecular function for members of the DUF2362 family. For example, the available functional data suggest a possible role for C12ORF4 in ADP-ribosylation signaling in asthma and related inflammatory diseases. This novel family appears to be a likely novel ADP-ribosylation “reader” and “eraser,” a previously unnoticed putative new player in cell signaling by this emerging post-translational modification.
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Affiliation(s)
- Małgorzata Dudkiewicz
- Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warszawa, Poland
| | - Krzysztof Pawłowski
- Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warszawa, Poland.,Department of Translational Mecicine, Clinical Sciences, Lund University, Lund, Sweden
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42
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Palazzo L, Mikolčević P, Mikoč A, Ahel I. ADP-ribosylation signalling and human disease. Open Biol 2019; 9:190041. [PMID: 30991935 PMCID: PMC6501648 DOI: 10.1098/rsob.190041] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 03/22/2019] [Indexed: 02/06/2023] Open
Abstract
ADP-ribosylation (ADPr) is a reversible post-translational modification of proteins, which controls major cellular and biological processes, including DNA damage repair, cell proliferation and differentiation, metabolism, stress and immune responses. In order to maintain the cellular homeostasis, diverse ADP-ribosyl transferases and hydrolases are involved in the fine-tuning of ADPr systems. The control of ADPr network is vital, and dysregulation of enzymes involved in the regulation of ADPr signalling has been linked to a number of inherited and acquired human diseases, such as several neurological disorders and in cancer. Conversely, the therapeutic manipulation of ADPr has been shown to ameliorate several disorders in both human and animal models. These include cardiovascular, inflammatory, autoimmune and neurological disorders. Herein, we summarize the recent findings in the field of ADPr, which support the impact of this modification in human pathophysiology and highlight the curative potential of targeting ADPr for translational and molecular medicine.
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Affiliation(s)
- Luca Palazzo
- Institute of Protein Biochemistry, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Petra Mikolčević
- Division of Molecular Biology, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Andreja Mikoč
- Division of Molecular Biology, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Ivan Ahel
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, OX1 3RE Oxford, UK
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An uncharacterized FMAG_01619 protein from Fusobacterium mortiferum ATCC 9817 demonstrates that some bacterial macrodomains can also act as poly-ADP-ribosylhydrolases. Sci Rep 2019; 9:3230. [PMID: 30824723 PMCID: PMC6397177 DOI: 10.1038/s41598-019-39691-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 01/08/2019] [Indexed: 12/17/2022] Open
Abstract
Macrodomains constitute a conserved fold widely distributed that is not only able to bind ADP-ribose in its free and protein-linked forms but also can catalyse the hydrolysis of the latter. They are involved in the regulation of important cellular processes, such as signalling, differentiation, proliferation and apoptosis, and in host-virus response, and for this, they are considered as promising therapeutic targets to slow tumour progression and viral pathogenesis. Although extensive work has been carried out with them, including their classification into six distinct phylogenetically clades, little is known on bacterial macrodomains, especially if these latter are able to remove poly(ADP-ribose) polymer (PAR) from PARylated proteins, activity that only has been confirmed in human TARG1 (C6orf130) protein. To extend this limited knowledge, we demonstrate, after a comprehensive bioinformatic and phylogenetic analysis, that Fusobacterium mortiferum ATCC 9817 TARG1 (FmTARG1) is the first bacterial macrodomain shown to have high catalytic efficiency towards O-acyl-ADP-ribose, even more than hTARG1, and towards mono- and poly(ADPribosyl)ated proteins. Surprisingly, FmTARG1 gene is also inserted into a unique operonic context, only shared by the distantly related Fusobacterium perfoetens ATCC 29250 macrodomain, which include an immunity protein 51 domain, typical of bacterial polymorphic toxin systems.
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Multiple Roles for Mono- and Poly(ADP-Ribose) in Regulating Stress Responses. Trends Genet 2018; 35:159-172. [PMID: 30595401 DOI: 10.1016/j.tig.2018.12.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/30/2018] [Accepted: 12/03/2018] [Indexed: 01/27/2023]
Abstract
Although stress-induced synthesis of mono(ADP-ribose) (mADPr) and poly(ADP-ribose) (pADPr) conjugates by pADPr polymerase (PARP) enzymes has been studied extensively, the removal and degradation of pADPr, as well as the fate of ADPr metabolites, have received less attention. The observations that stress-induced pADPr undergoes rapid turnover, and that deficiencies in ADPr degradation phenocopy loss of pADPr synthesis, suggest that ADPr degradation is fundamentally important to the cellular stress response. Recent work has identified several distinct families of pADPr hydrolases that can degrade pADPr to release pADPr or mADPr into the cytoplasm. Further, many stress-response proteins contain ADPr-binding domains that can interact with these metabolites. We discuss how pADPr metabolites generated during pADPr degradation can function as signaling intermediates in processes such as inflammation, apoptosis, and DNA damage responses. These studies highlight that the full cycle of ADPr metabolism, including both synthesis and degradation, is necessary for responses to genotoxic stress.
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Poly(ADP-Ribose) Polymerases in Host-Pathogen Interactions, Inflammation, and Immunity. Microbiol Mol Biol Rev 2018; 83:83/1/e00038-18. [PMID: 30567936 DOI: 10.1128/mmbr.00038-18] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The literature review presented here details recent research involving members of the poly(ADP-ribose) polymerase (PARP) family of proteins. Among the 17 recognized members of the family, the human enzyme PARP1 is the most extensively studied, resulting in a number of known biological and metabolic roles. This review is focused on the roles played by PARP enzymes in host-pathogen interactions and in diseases with an associated inflammatory response. In mammalian cells, several PARPs have specific roles in the antiviral response; this is perhaps best illustrated by PARP13, also termed the zinc finger antiviral protein (ZAP). Plant stress responses and immunity are also regulated by poly(ADP-ribosyl)ation. PARPs promote inflammatory responses by stimulating proinflammatory signal transduction pathways that lead to the expression of cytokines and cell adhesion molecules. Hence, PARP inhibitors show promise in the treatment of inflammatory disorders and conditions with an inflammatory component, such as diabetes, arthritis, and stroke. These functions are correlated with the biophysical characteristics of PARP family enzymes. This work is important in providing a comprehensive understanding of the molecular basis of pathogenesis and host responses, as well as in the identification of inhibitors. This is important because the identification of inhibitors has been shown to be effective in arresting the progression of disease.
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