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Yin X, Zeng D, Liao Y, Tang C, Li Y. The Function of H2A Histone Variants and Their Roles in Diseases. Biomolecules 2024; 14:993. [PMID: 39199381 PMCID: PMC11352661 DOI: 10.3390/biom14080993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 08/06/2024] [Accepted: 08/09/2024] [Indexed: 09/01/2024] Open
Abstract
Epigenetic regulation, which is characterized by reversible and heritable genetic alterations without changing DNA sequences, has recently been increasingly studied in diseases. Histone variant regulation is an essential component of epigenetic regulation. The substitution of canonical histones by histone variants profoundly alters the local chromatin structure and modulates DNA accessibility to regulatory factors, thereby exerting a pivotal influence on gene regulation and DNA damage repair. Histone H2A variants, mainly including H2A.Z, H2A.B, macroH2A, and H2A.X, are the most abundant identified variants among all histone variants with the greatest sequence diversity. Harboring varied chromatin occupancy and structures, histone H2A variants perform distinct functions in gene transcription and DNA damage repair. They are implicated in multiple pathophysiological mechanisms and the emergence of different illnesses. Cancer, embryonic development abnormalities, neurological diseases, metabolic diseases, and heart diseases have all been linked to histone H2A variant alterations. This review focuses on the functions of H2A histone variants in mammals, including H2A.Z, H2A.B, macroH2A, and H2A.X, and their current roles in various diseases.
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Affiliation(s)
- Xuemin Yin
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha 410011, China; (X.Y.); (D.Z.); (Y.L.); (C.T.)
- Hunan Key Laboratory of Kidney Disease and Blood Purification in Hunan Province, Changsha 410011, China
| | - Dong Zeng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha 410011, China; (X.Y.); (D.Z.); (Y.L.); (C.T.)
- Hunan Key Laboratory of Kidney Disease and Blood Purification in Hunan Province, Changsha 410011, China
| | - Yingjun Liao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha 410011, China; (X.Y.); (D.Z.); (Y.L.); (C.T.)
- Hunan Key Laboratory of Kidney Disease and Blood Purification in Hunan Province, Changsha 410011, China
| | - Chengyuan Tang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha 410011, China; (X.Y.); (D.Z.); (Y.L.); (C.T.)
- Hunan Key Laboratory of Kidney Disease and Blood Purification in Hunan Province, Changsha 410011, China
| | - Ying Li
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha 410011, China; (X.Y.); (D.Z.); (Y.L.); (C.T.)
- Hunan Key Laboratory of Kidney Disease and Blood Purification in Hunan Province, Changsha 410011, China
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2
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Özdemir C, Purkey LR, Sanchez A, Miller KM. PARticular MARks: Histone ADP-ribosylation and the DNA damage response. DNA Repair (Amst) 2024; 140:103711. [PMID: 38924925 DOI: 10.1016/j.dnarep.2024.103711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/04/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024]
Abstract
Cellular and molecular responses to DNA damage are highly orchestrated and dynamic, acting to preserve the maintenance and integrity of the genome. Histone proteins bind DNA and organize the genome into chromatin. Post-translational modifications of histones have been shown to play an essential role in orchestrating the chromatin response to DNA damage by regulating the DNA damage response pathway. Among the histone modifications that contribute to this intricate network, histone ADP-ribosylation (ADPr) is emerging as a pivotal component of chromatin-based DNA damage response (DDR) pathways. In this review, we survey how histone ADPr is regulated to promote the DDR and how it impacts chromatin and other histone marks. Recent advancements have revealed histone ADPr effects on chromatin structure and the regulation of DNA repair factor recruitment to DNA lesions. Additionally, we highlight advancements in technology that have enabled the identification and functional validation of histone ADPr in cells and in response to DNA damage. Given the involvement of DNA damage and epigenetic regulation in human diseases including cancer, these findings have clinical implications for histone ADPr, which are also discussed. Overall, this review covers the involvement of histone ADPr in the DDR and highlights potential future investigations aimed at identifying mechanisms governed by histone ADPr that participate in the DDR, human diseases, and their treatments.
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Affiliation(s)
- Cem Özdemir
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA
| | - Laura R Purkey
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA
| | - Anthony Sanchez
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA.
| | - Kyle M Miller
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA; Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX 78712, USA.
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3
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Lai PM, Chan KM. Roles of Histone H2A Variants in Cancer Development, Prognosis, and Treatment. Int J Mol Sci 2024; 25:3144. [PMID: 38542118 PMCID: PMC10969971 DOI: 10.3390/ijms25063144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/09/2024] [Accepted: 02/09/2024] [Indexed: 07/16/2024] Open
Abstract
Histones are nuclear proteins essential for packaging genomic DNA and epigenetic gene regulation. Paralogs that can substitute core histones (H2A, H2B, H3, and H4), named histone variants, are constitutively expressed in a replication-independent manner throughout the cell cycle. With specific chaperones, they can be incorporated to chromatin to modify nucleosome stability by modulating interactions with nucleosomal DNA. This allows the regulation of essential fundamental cellular processes for instance, DNA damage repair, chromosomal segregation, and transcriptional regulation. Among all the histone families, histone H2A family has the largest number of histone variants reported to date. Each H2A variant has multiple functions apart from their primary role and some, even be further specialized to perform additional tasks in distinct lineages, such as testis specific shortH2A (sH2A). In the past decades, the discoveries of genetic alterations and mutations in genes encoding H2A variants in cancer had revealed variants' potentiality in driving carcinogenesis. In addition, there is growing evidence that H2A variants may act as novel prognostic indicators or biomarkers for both early cancer detection and therapeutic treatments. Nevertheless, no studies have ever concluded all identified variants in a single report. Here, in this review, we summarize the respective functions for all the 19 mammalian H2A variants and their roles in cancer biology whilst potentiality being used in clinical setting.
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Affiliation(s)
| | - Kui Ming Chan
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China;
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4
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Gerovska D, Noer JB, Qin Y, Ain Q, Januzi D, Schwab M, Witte OW, Araúzo-Bravo MJ, Kretz A. A distinct circular DNA profile intersects with proteome changes in the genotoxic stress-related hSOD1 G93A model of ALS. Cell Biosci 2023; 13:170. [PMID: 37705092 PMCID: PMC10498603 DOI: 10.1186/s13578-023-01116-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/27/2023] [Indexed: 09/15/2023] Open
Abstract
BACKGROUND Numerous genes, including SOD1, mutated in familial and sporadic amyotrophic lateral sclerosis (f/sALS) share a role in DNA damage and repair, emphasizing genome disintegration in ALS. One possible outcome of chromosomal instability and repair processes is extrachromosomal circular DNA (eccDNA) formation. Therefore, eccDNA might accumulate in f/sALS with yet unknown function. METHODS We combined rolling circle amplification with linear DNA digestion to purify eccDNA from the cervical spinal cord of 9 co-isogenic symptomatic hSOD1G93A mutants and 10 controls, followed by deep short-read sequencing. We mapped the eccDNAs and performed differential analysis based on the split read signal of the eccDNAs, referred as DifCir, between the ALS and control specimens, to find differentially produced per gene circles (DPpGC) in the two groups. Compared were eccDNA abundances, length distributions and genic profiles. We further assessed proteome alterations in ALS by mass spectrometry, and matched the DPpGCs with differentially expressed proteins (DEPs) in ALS. Additionally, we aligned the ALS-specific DPpGCs to ALS risk gene databases. RESULTS We found a six-fold enrichment in the number of unique eccDNAs in the genotoxic ALS-model relative to controls. We uncovered a distinct genic circulome profile characterized by 225 up-DPpGCs, i.e., genes that produced more eccDNAs from distinct gene sequences in ALS than under control conditions. The inter-sample recurrence rate was at least 89% for the top 6 up-DPpGCs. ALS proteome analyses revealed 42 corresponding DEPs, of which 19 underlying genes were itemized for an ALS risk in GWAS databases. The up-DPpGCs and their DEP tandems mainly impart neuron-specific functions, and gene set enrichment analyses indicated an overrepresentation of the adenylate cyclase modulating G protein pathway. CONCLUSIONS We prove, for the first time, a significant enrichment of eccDNA in the ALS-affected spinal cord. Our triple circulome, proteome and genome approach provide indication for a potential importance of certain eccDNAs in ALS neurodegeneration and a yet unconsidered role as ALS biomarkers. The related functional pathways might open up new targets for therapeutic intervention.
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Affiliation(s)
- Daniela Gerovska
- Computational Biology and Systems Biomedicine, Biodonostia Health Research Institute, 20014, San Sebastian, Spain
| | - Julie B Noer
- Department of Biology, Section for Ecology and Evolution, University of Copenhagen, 2100, Copenhagen, Denmark
| | - Yating Qin
- Department of Biology, Section for Ecology and Evolution, University of Copenhagen, 2100, Copenhagen, Denmark
| | - Quratul Ain
- Department of Neurology, Jena University Hospital, 07747, Jena, Thuringia, Germany
- Department of Internal Medicine IV, Hepatology, Jena University Hospital, 07747, Jena, Thuringia, Germany
| | - Donjetë Januzi
- Department of Neurology, Jena University Hospital, 07747, Jena, Thuringia, Germany
| | - Matthias Schwab
- Department of Neurology, Jena University Hospital, 07747, Jena, Thuringia, Germany
| | - Otto W Witte
- Department of Neurology, Jena University Hospital, 07747, Jena, Thuringia, Germany
- Jena Center for Healthy Ageing, Jena University Hospital, Jena, Thuringia, Germany
| | - Marcos J Araúzo-Bravo
- Computational Biology and Systems Biomedicine, Biodonostia Health Research Institute, 20014, San Sebastian, Spain.
- Basque Foundation for Science, IKERBASQUE, 48013, Bilbao, Spain.
- Max Planck Institute for Molecular Biomedicine, Computational Biology and Bioinformatics Group, 48149, Münster, North Rhine-Westphalia, Germany.
- Department of Cell Biology and Histology, Faculty of Medicine and Nursing, University of Basque Country (UPV/EHU), 48940, Leioa, Spain.
| | - Alexandra Kretz
- Department of Neurology, Jena University Hospital, 07747, Jena, Thuringia, Germany.
- Jena Center for Healthy Ageing, Jena University Hospital, Jena, Thuringia, Germany.
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5
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Oberdoerffer P, Miller KM. Histone H2A variants: Diversifying chromatin to ensure genome integrity. Semin Cell Dev Biol 2023; 135:59-72. [PMID: 35331626 PMCID: PMC9489817 DOI: 10.1016/j.semcdb.2022.03.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 12/12/2022]
Abstract
Histone variants represent chromatin components that diversify the structure and function of the genome. The variants of H2A, primarily H2A.X, H2A.Z and macroH2A, are well-established participants in DNA damage response (DDR) pathways, which function to protect the integrity of the genome. Through their deposition, post-translational modifications and unique protein interaction networks, these variants guard DNA from endogenous threats including replication stress and genome fragility as well as from DNA lesions inflicted by exogenous sources. A growing body of work is now providing a clearer picture on the involvement and mechanistic basis of H2A variant contribution to genome integrity. Beyond their well-documented role in gene regulation, we review here how histone H2A variants promote genome stability and how alterations in these pathways contribute to human diseases including cancer.
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Affiliation(s)
- Philipp Oberdoerffer
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287 USA.
| | - Kyle M Miller
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA; Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX 78712, USA.
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The Role of PARP1 and PAR in ATP-Independent Nucleosome Reorganisation during the DNA Damage Response. Genes (Basel) 2022; 14:genes14010112. [PMID: 36672853 PMCID: PMC9859207 DOI: 10.3390/genes14010112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
The functioning of the eukaryotic cell genome is mediated by sophisticated protein-nucleic-acid complexes, whose minimal structural unit is the nucleosome. After the damage to genomic DNA, repair proteins need to gain access directly to the lesion; therefore, the initiation of the DNA damage response inevitably leads to local chromatin reorganisation. This review focuses on the possible involvement of PARP1, as well as proteins acting nucleosome compaction, linker histone H1 and non-histone chromatin protein HMGB1. The polymer of ADP-ribose is considered the main regulator during the development of the DNA damage response and in the course of assembly of the correct repair complex.
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7
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Lin JMG, Kourtis S, Ghose R, Pardo Lorente N, Kubicek S, Sdelci S. Metabolic modulation of transcription: The role of one-carbon metabolism. Cell Chem Biol 2022; 29:S2451-9456(22)00415-9. [PMID: 36513079 DOI: 10.1016/j.chembiol.2022.11.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 10/05/2022] [Accepted: 11/18/2022] [Indexed: 12/15/2022]
Abstract
While it is well known that expression levels of metabolic enzymes regulate the metabolic state of the cell, there is mounting evidence that the converse is also true, that metabolite levels themselves can modulate gene expression via epigenetic modifications and transcriptional regulation. Here we focus on the one-carbon metabolic pathway, which provides the essential building blocks of many classes of biomolecules, including purine nucleotides, thymidylate, serine, and methionine. We review the epigenetic roles of one-carbon metabolic enzymes and their associated metabolites and introduce an interactive computational resource that places enzyme essentiality in the context of metabolic pathway topology. Therefore, we briefly discuss examples of metabolic condensates and higher-order complexes of metabolic enzymes downstream of one-carbon metabolism. We speculate that they may be required to the formation of transcriptional condensates and gene expression control. Finally, we discuss new ways to exploit metabolic pathway compartmentalization to selectively target these enzymes in cancer.
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Affiliation(s)
- Jung-Ming G Lin
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Vienna 1090, Austria
| | - Savvas Kourtis
- Centre for Genomic Regulation (CRG), the Barcelona Institute of Science and Technology, Barcelona, Catalonia 08003, Spain
| | - Ritobrata Ghose
- Centre for Genomic Regulation (CRG), the Barcelona Institute of Science and Technology, Barcelona, Catalonia 08003, Spain
| | - Natalia Pardo Lorente
- Centre for Genomic Regulation (CRG), the Barcelona Institute of Science and Technology, Barcelona, Catalonia 08003, Spain
| | - Stefan Kubicek
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Vienna 1090, Austria
| | - Sara Sdelci
- Centre for Genomic Regulation (CRG), the Barcelona Institute of Science and Technology, Barcelona, Catalonia 08003, Spain.
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8
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Hagino R, Mozaki K, Komura N, Imamura A, Ishida H, Ando H, Tanaka HN. Straightforward Synthesis of the Poly(ADP-ribose) Branched Core Structure. ACS OMEGA 2022; 7:32795-32804. [PMID: 36119971 PMCID: PMC9476175 DOI: 10.1021/acsomega.2c04732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Poly(ADP-ribosyl)ation is a post-translational modification that produces poly(ADP-ribose) with a branched structure every 20-50 units; such branching structure has been previously suggested to be involved in regulating chromatin remodeling. To elucidate its detailed functions, we developed a straightforward method for the synthesis of the poly(ADP-ribose) branched core structure, α-d-ribofuranosyl-(1‴ → 2″)-α-d-ribofuranosyl-(1″ → 2')-adenosine 5',5'',5‴-trisphosphate 1, from 6-chloropurine ribofuranoside 4 in 10 steps and 6.1% overall yield. The structure poses synthetic challenges for constructing iterative α-1,2-cis-glycosidic bonds in the presence of a purine base and the installation of three phosphate groups at primary hydroxyl groups. Iterative glycosidic bonds were formed by α-1,2-cis-selective ribofuranosylation using 2-O-(2-naphthylmethyl)-protected thioglycoside donor 6 and a thiophilic bismuth promoter. After the construction of diribofuranosyl adenosine 5 had been constructed, it was chemo- and regioselectively phosphorylated at a later stage. Subsequent deprotection provided the synthetic target 1.
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Affiliation(s)
- Rui Hagino
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Keita Mozaki
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naoko Komura
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- Department
of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hiromune Ando
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute
for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
- The
United Graduate School of Agricultural Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Bound NT, Vandenberg CJ, Kartikasari AER, Plebanski M, Scott CL. Improving PARP inhibitor efficacy in high-grade serous ovarian carcinoma: A focus on the immune system. Front Genet 2022; 13:886170. [PMID: 36159999 PMCID: PMC9505691 DOI: 10.3389/fgene.2022.886170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 08/05/2022] [Indexed: 12/03/2022] Open
Abstract
High-grade serous ovarian carcinoma (HGSOC) is a genomically unstable malignancy responsible for over 70% of all deaths due to ovarian cancer. With roughly 50% of all HGSOC harboring defects in the homologous recombination (HR) DNA repair pathway (e.g., BRCA1/2 mutations), the introduction of poly ADP-ribose polymerase inhibitors (PARPi) has dramatically improved outcomes for women with HR defective HGSOC. By blocking the repair of single-stranded DNA damage in cancer cells already lacking high-fidelity HR pathways, PARPi causes the accumulation of double-stranded DNA breaks, leading to cell death. Thus, this synthetic lethality results in PARPi selectively targeting cancer cells, resulting in impressive efficacy. Despite this, resistance to PARPi commonly develops through diverse mechanisms, such as the acquisition of secondary BRCA1/2 mutations. Perhaps less well documented is that PARPi can impact both the tumour microenvironment and the immune response, through upregulation of the stimulator of interferon genes (STING) pathway, upregulation of immune checkpoints such as PD-L1, and by stimulating the production of pro-inflammatory cytokines. Whilst targeted immunotherapies have not yet found their place in the clinic for HGSOC, the evidence above, as well as ongoing studies exploring the synergistic effects of PARPi with immune agents, including immune checkpoint inhibitors, suggests potential for targeting the immune response in HGSOC. Additionally, combining PARPi with epigenetic-modulating drugs may improve PARPi efficacy, by inducing a BRCA-defective phenotype to sensitise resistant cancer cells to PARPi. Finally, invigorating an immune response during PARPi therapy may engage anti-cancer immune responses that potentiate efficacy and mitigate the development of PARPi resistance. Here, we will review the emerging PARPi literature with a focus on PARPi effects on the immune response in HGSOC, as well as the potential of epigenetic combination therapies. We highlight the potential of transforming HGSOC from a lethal to a chronic disease and increasing the likelihood of cure.
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Affiliation(s)
- Nirashaa T. Bound
- Cancer Biology and Stem Cells, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Cancer Ageing and Vaccines (CAVA), Translational Immunology & Nanotechnology Research Program, School of Health & Biomedical Sciences, RMIT University, Bundoora, VIC, Australia
| | - Cassandra J. Vandenberg
- Cancer Biology and Stem Cells, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Apriliana E. R. Kartikasari
- Cancer Ageing and Vaccines (CAVA), Translational Immunology & Nanotechnology Research Program, School of Health & Biomedical Sciences, RMIT University, Bundoora, VIC, Australia
| | - Magdalena Plebanski
- Cancer Ageing and Vaccines (CAVA), Translational Immunology & Nanotechnology Research Program, School of Health & Biomedical Sciences, RMIT University, Bundoora, VIC, Australia
| | - Clare L. Scott
- Cancer Biology and Stem Cells, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
- Peter MacCallum Cancer Centre, Parkville, VIC, Australia
- Royal Women’s Hospital, Parkville, VIC, Australia
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10
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Zong W, Gong Y, Sun W, Li T, Wang ZQ. PARP1: Liaison of Chromatin Remodeling and Transcription. Cancers (Basel) 2022; 14:cancers14174162. [PMID: 36077699 PMCID: PMC9454564 DOI: 10.3390/cancers14174162] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
Poly(ADP-ribosyl)ation (PARylation) is a covalent post-translational modification and plays a key role in the immediate response of cells to stress signals. Poly(ADP-ribose) polymerase 1 (PARP1), the founding member of the PARP superfamily, synthesizes long and branched polymers of ADP-ribose (PAR) onto acceptor proteins, thereby modulating their function and their local surrounding. PARP1 is the most prominent of the PARPs and is responsible for the production of about 90% of PAR in the cell. Therefore, PARP1 and PARylation play a pleotropic role in a wide range of cellular processes, such as DNA repair and genomic stability, cell death, chromatin remodeling, inflammatory response and gene transcription. PARP1 has DNA-binding and catalytic activities that are important for DNA repair, yet also modulate chromatin conformation and gene transcription, which can be independent of DNA damage response. PARP1 and PARylation homeostasis have also been implicated in multiple diseases, including inflammation, stroke, diabetes and cancer. Studies of the molecular action and biological function of PARP1 and PARylation provide a basis for the development of pharmaceutic strategies for clinical applications. This review focuses primarily on the role of PARP1 in the regulation of chromatin remodeling and transcriptional activation.
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Affiliation(s)
- Wen Zong
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
- Correspondence: (W.Z.); or (Z.-Q.W.)
| | - Yamin Gong
- Leibniz Institute on Aging—Fritz Lipmann Institute (FLI), 07745 Jena, Germany
- College of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen 518055, China
| | - Wenli Sun
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Tangliang Li
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Zhao-Qi Wang
- Leibniz Institute on Aging—Fritz Lipmann Institute (FLI), 07745 Jena, Germany
- Faculty of Biological Sciences, Friedrich-Schiller-University of Jena, 07743 Jena, Germany
- Correspondence: (W.Z.); or (Z.-Q.W.)
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11
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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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12
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Sanchez A, Buck-Koehntop BA, Miller KM. Joining the PARty: PARP Regulation of KDM5A during DNA Repair (and Transcription?). Bioessays 2022; 44:e2200015. [PMID: 35532219 DOI: 10.1002/bies.202200015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/25/2022] [Accepted: 04/28/2022] [Indexed: 11/05/2022]
Abstract
The lysine demethylase KDM5A collaborates with PARP1 and the histone variant macroH2A1.2 to modulate chromatin to promote DNA repair. Indeed, KDM5A engages poly(ADP-ribose) (PAR) chains at damage sites through a previously uncharacterized coiled-coil domain, a novel binding mode for PAR interactions. While KDM5A is a well-known transcriptional regulator, its function in DNA repair is only now emerging. Here we review the molecular mechanisms that regulate this PARP1-macroH2A1.2-KDM5A axis in DNA damage and consider the potential involvement of this pathway in transcription regulation and cancer. Using KDM5A as an example, we discuss how multifunctional chromatin proteins transition between several DNA-based processes, which must be coordinated to protect the integrity of the genome and epigenome. The dysregulation of chromatin and loss of genome integrity that is prevalent in human diseases including cancer may be related and could provide opportunities to target multitasking proteins with these pathways as therapeutic strategies.
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Affiliation(s)
- Anthony Sanchez
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, The University of Texas at Austin, Austin, Texas, USA
| | | | - Kyle M Miller
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, The University of Texas at Austin, Austin, Texas, USA.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, Texas, USA
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13
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Giallongo S, Řeháková D, Biagini T, Lo Re O, Raina P, Lochmanová G, Zdráhal Z, Resnick I, Pata P, Pata I, Mistrík M, de Magalhães JP, Mazza T, Koutná I, Vinciguerra M. Histone Variant macroH2A1.1 Enhances Nonhomologous End Joining-dependent DNA Double-strand-break Repair and Reprogramming Efficiency of Human iPSCs. Stem Cells 2022; 40:35-48. [PMID: 35511867 PMCID: PMC9199840 DOI: 10.1093/stmcls/sxab004] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/02/2021] [Indexed: 01/21/2023]
Abstract
DNA damage repair (DDR) is a safeguard for genome integrity maintenance. Increasing DDR efficiency could increase the yield of induced pluripotent stem cells (iPSC) upon reprogramming from somatic cells. The epigenetic mechanisms governing DDR during iPSC reprogramming are not completely understood. Our goal was to evaluate the splicing isoforms of histone variant macroH2A1, macroH2A1.1, and macroH2A1.2, as potential regulators of DDR during iPSC reprogramming. GFP-Trap one-step isolation of mtagGFP-macroH2A1.1 or mtagGFP-macroH2A1.2 fusion proteins from overexpressing human cell lines, followed by liquid chromatography-tandem mass spectrometry analysis, uncovered macroH2A1.1 exclusive interaction with Poly-ADP Ribose Polymerase 1 (PARP1) and X-ray cross-complementing protein 1 (XRCC1). MacroH2A1.1 overexpression in U2OS-GFP reporter cells enhanced specifically nonhomologous end joining (NHEJ) repair pathway, while macroH2A1.1 knock-out (KO) mice showed an impaired DDR capacity. The exclusive interaction of macroH2A1.1, but not macroH2A1.2, with PARP1/XRCC1, was confirmed in human umbilical vein endothelial cells (HUVEC) undergoing reprogramming into iPSC through episomal vectors. In HUVEC, macroH2A1.1 overexpression activated transcriptional programs that enhanced DDR and reprogramming. Consistently, macroH2A1.1 but not macroH2A1.2 overexpression improved iPSC reprogramming. We propose the macroH2A1 splicing isoform macroH2A1.1 as a promising epigenetic target to improve iPSC genome stability and therapeutic potential.
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Affiliation(s)
- Sebastiano Giallongo
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Daniela Řeháková
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic
| | - Tommaso Biagini
- Laboratory of Bioinformatics, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Oriana Lo Re
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna (RIMUV), Varna, Bulgaria
| | - Priyanka Raina
- Integrative Genomics of Ageing Group, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - Gabriela Lochmanová
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Zbyněk Zdráhal
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
- National Centre for Biomolecular Research, Masaryk University, Brno, Czech Republic
| | - Igor Resnick
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna (RIMUV), Varna, Bulgaria
- Program for Hematology, Immunology, BMT and Cell therapy, St. Marina University Hospital, Varna, Bulgaria
- Department of Medical Genetics, Medical University of Varna, Varna, Bulgaria
| | - Pille Pata
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
- IVEX Lab, Akadeemia 15, Tallinn, Estonia
| | - Illar Pata
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Martin Mistrík
- Laboratory of Genome Integrity, Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - João Pedro de Magalhães
- Integrative Genomics of Ageing Group, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - Tommaso Mazza
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna (RIMUV), Varna, Bulgaria
| | - Irena Koutná
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Manlio Vinciguerra
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic
- Department of Translational Stem Cell Biology, Research Institute of the Medical University of Varna (RIMUV), Varna, Bulgaria
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14
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Wang Y, Pleasure D, Deng W, Guo F. Therapeutic Potentials of Poly (ADP-Ribose) Polymerase 1 (PARP1) Inhibition in Multiple Sclerosis and Animal Models: Concept Revisiting. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102853. [PMID: 34935305 PMCID: PMC8844485 DOI: 10.1002/advs.202102853] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 10/12/2021] [Indexed: 05/05/2023]
Abstract
Poly (ADP-ribose) polymerase 1 (PARP1) plays a fundamental role in DNA repair and gene expression. Excessive PARP1 hyperactivation, however, has been associated with cell death. PARP1 and/or its activity are dysregulated in the immune and central nervous system of multiple sclerosis (MS) patients and animal models. Pharmacological PARP1 inhibition is shown to be protective against immune activation and disease severity in MS animal models while genetic PARP1 deficiency studies reported discrepant results. The inconsistency suggests that the function of PARP1 and PARP1-mediated PARylation may be complex and context-dependent. The article reviews PARP1 functions, discusses experimental findings and possible interpretations of PARP1 in inflammation, neuronal/axonal degeneration, and oligodendrogliopathy, three major pathological components cooperatively determining MS disease course and neurological progression, and points out future research directions. Cell type specific PARP1 manipulations are necessary for revisiting the role of PARP1 in the three pathological components prior to moving PARP1 inhibition into clinical trials for MS therapy.
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Affiliation(s)
- Yan Wang
- Department of NeurologySchool of MedicineUniversity of CaliforniaDavisCA95817USA
- Institute for Pediatric Regenerative MedicineUC Davis School of Medicine/Shriners Hospitals for ChildrenSacramentoCAUSA
| | - David Pleasure
- Department of NeurologySchool of MedicineUniversity of CaliforniaDavisCA95817USA
- Institute for Pediatric Regenerative MedicineUC Davis School of Medicine/Shriners Hospitals for ChildrenSacramentoCAUSA
| | - Wenbin Deng
- School of Pharmaceutical Sciences (Shenzhen)Sun Yat‐sen UniversityGuangzhou510006China
| | - Fuzheng Guo
- Department of NeurologySchool of MedicineUniversity of CaliforniaDavisCA95817USA
- Institute for Pediatric Regenerative MedicineUC Davis School of Medicine/Shriners Hospitals for ChildrenSacramentoCAUSA
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15
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Logie E, Van Puyvelde B, Cuypers B, Schepers A, Berghmans H, Verdonck J, Laukens K, Godderis L, Dhaenens M, Deforce D, Vanden Berghe W. Ferroptosis Induction in Multiple Myeloma Cells Triggers DNA Methylation and Histone Modification Changes Associated with Cellular Senescence. Int J Mol Sci 2021; 22:12234. [PMID: 34830117 PMCID: PMC8618106 DOI: 10.3390/ijms222212234] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/29/2021] [Accepted: 11/08/2021] [Indexed: 12/20/2022] Open
Abstract
Disease relapse and therapy resistance remain key challenges in treating multiple myeloma. Underlying (epi-)mutational events can promote myelomagenesis and contribute to multi-drug and apoptosis resistance. Therefore, compounds inducing ferroptosis, a form of iron and lipid peroxidation-regulated cell death, are appealing alternative treatment strategies for multiple myeloma and other malignancies. Both ferroptosis and the epigenetic machinery are heavily influenced by oxidative stress and iron metabolism changes. Yet, only a limited number of epigenetic enzymes and modifications have been identified as ferroptosis regulators. In this study, we found that MM1 multiple myeloma cells are sensitive to ferroptosis induction and epigenetic reprogramming by RSL3, irrespective of their glucocorticoid-sensitivity status. LC-MS/MS analysis revealed the formation of non-heme iron-histone complexes and altered expression of histone modifications associated with DNA repair and cellular senescence. In line with this observation, EPIC BeadChip measurements of significant DNA methylation changes in ferroptotic myeloma cells demonstrated an enrichment of CpG probes located in genes associated with cell cycle progression and senescence, such as Nuclear Receptor Subfamily 4 Group A member 2 (NR4A2). Overall, our data show that ferroptotic cell death is associated with an epigenomic stress response that might advance the therapeutic applicability of ferroptotic compounds.
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Affiliation(s)
- Emilie Logie
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES) and Integrated Personalized and Precision Oncology Network (IPPON), Department of Biomedical Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (E.L.); (H.B.)
| | - Bart Van Puyvelde
- Laboratory of Pharmaceutical Biotechnology, Proteomics and Mass Spectrometry Department, Ghent University, 9000 Ghent, Belgium; (B.V.P.); (M.D.); (D.D.)
| | - Bart Cuypers
- Biomedical Informatics Network Antwerp (Biomina), Department of Computer Science, University of Antwerp, 2610 Antwerp, Belgium; (B.C.); (K.L.)
| | - Anne Schepers
- Center of Medical Genetics, University of Antwerp & Antwerp University Hospital, 2650 Edegem, Belgium;
| | - Herald Berghmans
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES) and Integrated Personalized and Precision Oncology Network (IPPON), Department of Biomedical Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (E.L.); (H.B.)
| | - Jelle Verdonck
- Center for Environment and Health, Department of Public Health and Primary Care, KU Leuven, 3000 Leuven, Belgium; (J.V.); (L.G.)
| | - Kris Laukens
- Biomedical Informatics Network Antwerp (Biomina), Department of Computer Science, University of Antwerp, 2610 Antwerp, Belgium; (B.C.); (K.L.)
| | - Lode Godderis
- Center for Environment and Health, Department of Public Health and Primary Care, KU Leuven, 3000 Leuven, Belgium; (J.V.); (L.G.)
- IDEWE, External Service for Prevention and Protection at Work, 3001 Heverlee, Belgium
| | - Maarten Dhaenens
- Laboratory of Pharmaceutical Biotechnology, Proteomics and Mass Spectrometry Department, Ghent University, 9000 Ghent, Belgium; (B.V.P.); (M.D.); (D.D.)
| | - Dieter Deforce
- Laboratory of Pharmaceutical Biotechnology, Proteomics and Mass Spectrometry Department, Ghent University, 9000 Ghent, Belgium; (B.V.P.); (M.D.); (D.D.)
| | - Wim Vanden Berghe
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES) and Integrated Personalized and Precision Oncology Network (IPPON), Department of Biomedical Sciences, University of Antwerp, 2610 Wilrijk, Belgium; (E.L.); (H.B.)
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16
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Sebastian R, Aladjem MI, Oberdoerffer P. Encounters in Three Dimensions: How Nuclear Topology Shapes Genome Integrity. Front Genet 2021; 12:746380. [PMID: 34745220 PMCID: PMC8566435 DOI: 10.3389/fgene.2021.746380] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/08/2021] [Indexed: 11/13/2022] Open
Abstract
Almost 25 years ago, the phosphorylation of a chromatin component, histone H2AX, was discovered as an integral part of the DNA damage response in eukaryotes. Much has been learned since then about the control of DNA repair in the context of chromatin. Recent technical and computational advances in imaging, biophysics and deep sequencing have led to unprecedented insight into nuclear organization, highlighting the impact of three-dimensional (3D) chromatin structure and nuclear topology on DNA repair. In this review, we will describe how DNA repair processes have adjusted to and in many cases adopted these organizational features to ensure accurate lesion repair. We focus on new findings that highlight the importance of chromatin context, topologically associated domains, phase separation and DNA break mobility for the establishment of repair-conducive nuclear environments. Finally, we address the consequences of aberrant 3D genome maintenance for genome instability and disease.
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Affiliation(s)
- Robin Sebastian
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, United States
| | - Mirit I Aladjem
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, United States
| | - Philipp Oberdoerffer
- Division of Cancer Biology, National Cancer Institute, NIH, Rockville, MD, United States
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17
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Poltronieri P, Miwa M, Masutani M. ADP-Ribosylation as Post-Translational Modification of Proteins: Use of Inhibitors in Cancer Control. Int J Mol Sci 2021; 22:10829. [PMID: 34639169 PMCID: PMC8509805 DOI: 10.3390/ijms221910829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 12/14/2022] Open
Abstract
Among the post-translational modifications of proteins, ADP-ribosylation has been studied for over fifty years, and a large set of functions, including DNA repair, transcription, and cell signaling, have been assigned to this post-translational modification (PTM). This review presents an update on the function of a large set of enzyme writers, the readers that are recruited by the modified targets, and the erasers that reverse the modification to the original amino acid residue, removing the covalent bonds formed. In particular, the review provides details on the involvement of the enzymes performing monoADP-ribosylation/polyADP-ribosylation (MAR/PAR) cycling in cancers. Of note, there is potential for the application of the inhibitors developed for cancer also in the therapy of non-oncological diseases such as the protection against oxidative stress, the suppression of inflammatory responses, and the treatment of neurodegenerative diseases. This field of studies is not concluded, since novel enzymes are being discovered at a rapid pace.
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Affiliation(s)
- Palmiro Poltronieri
- Institute of Sciences of Food Productions, National Research Council of Italy, CNR-ISPA, Via Monteroni, 73100 Lecce, Italy
| | - Masanao Miwa
- Nagahama Institute of Bio-Science and Technology, Nagahama 526-0829, Japan;
| | - Mitsuko Masutani
- Department of Molecular and Genomic Biomedicine, CBMM, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8523, Japan
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18
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Tan A, Doig CL. NAD + Degrading Enzymes, Evidence for Roles During Infection. Front Mol Biosci 2021; 8:697359. [PMID: 34485381 PMCID: PMC8415550 DOI: 10.3389/fmolb.2021.697359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 08/06/2021] [Indexed: 12/13/2022] Open
Abstract
Declines in cellular nicotinamide adenine dinucleotide (NAD) contribute to metabolic dysfunction, increase susceptibility to disease, and occur as a result of pathogenic infection. The enzymatic cleavage of NAD+ transfers ADP-ribose (ADPr) to substrate proteins generating mono-ADP-ribose (MAR), poly-ADP-ribose (PAR) or O-acetyl-ADP-ribose (OAADPr). These important post-translational modifications have roles in both immune response activation and the advancement of infection. In particular, emergent data show viral infection stimulates activation of poly (ADP-ribose) polymerase (PARP) mediated NAD+ depletion and stimulates hydrolysis of existing ADP-ribosylation modifications. These studies are important for us to better understand the value of NAD+ maintenance upon the biology of infection. This review focuses specifically upon the NAD+ utilising enzymes, discusses existing knowledge surrounding their roles in infection, their NAD+ depletion capability and their influence within pathogenic infection.
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Affiliation(s)
- Arnold Tan
- Interdisciplinary Science and Technology Centre, Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom
| | - Craig L Doig
- Interdisciplinary Science and Technology Centre, Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom
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19
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Sinha S, Molla S, Kundu CN. PARP1-modulated chromatin remodeling is a new target for cancer treatment. Med Oncol 2021; 38:118. [PMID: 34432161 DOI: 10.1007/s12032-021-01570-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 08/20/2021] [Indexed: 12/13/2022]
Abstract
Cancer progression requires certain tumorigenic mutations in genes encoding for different cellular and nuclear proteins. Altered expressions of these mutated genes are mediated by post-translational modifications and chromatin remodeling. Chromatin remodeling is mainly regulated by the chromatin remodeling enzyme complexes and histone modifications. Upon DNA damage, Poly-(ADP-ribose) Polymerase1 (PARP1) plays a very important role in the induction of chromatin modifications and activation of DNA repair pathways to repair the DNA lesion. It has been targeted to develop different anti-cancer therapeutic interventions and PARP inhibitors have been approved by the U.S. Food and Drug Administration (FDA) for clinical use. But it has been found that the cancer cells often develop resistance to these PARP inhibitors and chromatin remodeling helps in enhancing this process. Hence, it may be beneficial to target PARP1-mediated chromatin remodeling, which may allow to reverse the drug resistance. In the current review, we have discussed the role of chromatin remodeling in DNA repair, how PARP1 regulates modifications of chromatin dynamics, and the role of chromatin modifications in cancer. It has also been discussed how the PARP1-mediated chromatin remodeling can be targeted by PARP inhibitors alone or in combination with other chemotherapeutic agents to establish novel anti-cancer therapeutics. We have also considered the use of PARG inhibitors that may enhance the action of PARP inhibitors to target different types of cancers.
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Affiliation(s)
- Saptarshi Sinha
- Cancer Biology Division, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Campus-11, Patia, Bhubaneswar, Odisha, 751024, India
| | - Sefinew Molla
- Cancer Biology Division, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Campus-11, Patia, Bhubaneswar, Odisha, 751024, India
| | - Chanakya Nath Kundu
- Cancer Biology Division, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Campus-11, Patia, Bhubaneswar, Odisha, 751024, India.
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20
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DNA methylation and histone variants in aging and cancer. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 364:1-110. [PMID: 34507780 DOI: 10.1016/bs.ircmb.2021.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Aging-related diseases such as cancer can be traced to the accumulation of molecular disorder including increased DNA mutations and epigenetic drift. We provide a comprehensive review of recent results in mice and humans on modifications of DNA methylation and histone variants during aging and in cancer. Accumulated errors in DNA methylation maintenance lead to global decreases in DNA methylation with relaxed repression of repeated DNA and focal hypermethylation blocking the expression of tumor suppressor genes. Epigenetic clocks based on quantifying levels of DNA methylation at specific genomic sites is proving to be a valuable metric for estimating the biological age of individuals. Histone variants have specialized functions in transcriptional regulation and genome stability. Their concentration tends to increase in aged post-mitotic chromatin, but their effects in cancer are mainly determined by their specialized functions. Our increased understanding of epigenetic regulation and their modifications during aging has motivated interventions to delay or reverse epigenetic modifications using the epigenetic clocks as a rapid readout for efficacity. Similarly, the knowledge of epigenetic modifications in cancer is suggesting new approaches to target these modifications for cancer therapy.
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21
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Andronikou C, Rottenberg S. Studying PAR-Dependent Chromatin Remodeling to Tackle PARPi Resistance. Trends Mol Med 2021; 27:630-642. [PMID: 34030964 DOI: 10.1016/j.molmed.2021.04.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/29/2021] [Accepted: 04/30/2021] [Indexed: 12/12/2022]
Abstract
Histone eviction and chromatin relaxation are important processes for efficient DNA repair. Poly(ADP) ribose (PAR) polymerase 1 (PARP1) is a key mediator of this process, and disruption of PARP1 activity has a direct impact on chromatin structure. PARP inhibitors (PARPis) have been established as a treatment for BRCA1- or BRCA2-deficient tumors. Unfortunately, PARPi resistance occurs in many patients and the underlying mechanisms are not fully understood. In particular, it remains unclear how chromatin remodelers and histone chaperones compensate for the loss of the PARylation signal. In this Opinion article, we summarize currently known mechanisms of PARPi resistance. We discuss how the study of PARP1-mediated chromatin remodeling may help in further understanding PARPi resistance and finding new therapeutic approaches to overcome it.
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Affiliation(s)
- Christina Andronikou
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Sven Rottenberg
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Bern, Switzerland; Bern Center for Precision Medicine, University of Bern, Bern, Switzerland.
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22
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Kumbhar R, Sanchez A, Perren J, Gong F, Corujo D, Medina F, Devanathan SK, Xhemalce B, Matouschek A, Buschbeck M, Buck-Koehntop BA, Miller KM. Poly(ADP-ribose) binding and macroH2A mediate recruitment and functions of KDM5A at DNA lesions. J Cell Biol 2021; 220:212163. [PMID: 34003252 PMCID: PMC8135068 DOI: 10.1083/jcb.202006149] [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: 06/24/2020] [Revised: 03/15/2021] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
The histone demethylase KDM5A erases histone H3 lysine 4 methylation, which is involved in transcription and DNA damage responses (DDRs). While DDR functions of KDM5A have been identified, how KDM5A recognizes DNA lesion sites within chromatin is unknown. Here, we identify two factors that act upstream of KDM5A to promote its association with DNA damage sites. We have identified a noncanonical poly(ADP-ribose) (PAR)–binding region unique to KDM5A. Loss of the PAR-binding region or treatment with PAR polymerase (PARP) inhibitors (PARPi’s) blocks KDM5A–PAR interactions and DNA repair functions of KDM5A. The histone variant macroH2A1.2 is also specifically required for KDM5A recruitment and function at DNA damage sites, including homology-directed repair of DNA double-strand breaks and repression of transcription at DNA breaks. Overall, this work reveals the importance of PAR binding and macroH2A1.2 in KDM5A recognition of DNA lesion sites that drive transcriptional and repair activities at DNA breaks within chromatin that are essential for maintaining genome integrity.
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Affiliation(s)
- Ramhari Kumbhar
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Anthony Sanchez
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Jullian Perren
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Fade Gong
- Department of Biochemistry & Molecular Biology, Baylor College of Medicine, Houston, TX
| | - David Corujo
- Cancer and Leukemia Epigenetics and Biology Program, Josep Carreras Leukaemia Cancer Institute, Barcelona, Spain
| | - Frank Medina
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Sravan K Devanathan
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Blerta Xhemalce
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX
| | - Andreas Matouschek
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Marcus Buschbeck
- Cancer and Leukemia Epigenetics and Biology Program, Josep Carreras Leukaemia Cancer Institute, Barcelona, Spain.,Program for Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute, Badalona, Spain
| | | | - Kyle M Miller
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX
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23
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Mao K, Zhang G. The role of PARP1 in neurodegenerative diseases and aging. FEBS J 2021; 289:2013-2024. [DOI: 10.1111/febs.15716] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/09/2021] [Accepted: 01/14/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Kanmin Mao
- Key Laboratory of Environmental Health Ministry of Education Department of Toxicology School of Public Health Tongji Medical College Wuhan China
- Institute for Brain Research Collaborative Innovation Center for Brain Science Huazhong University of Science and Technology Wuhan China
| | - Guo Zhang
- Key Laboratory of Environmental Health Ministry of Education Department of Toxicology School of Public Health Tongji Medical College Wuhan China
- Institute for Brain Research Collaborative Innovation Center for Brain Science Huazhong University of Science and Technology Wuhan China
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24
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Giallongo S, Rehakova D, Raffaele M, Lo Re O, Koutna I, Vinciguerra M. Redox and Epigenetics in Human Pluripotent Stem Cells Differentiation. Antioxid Redox Signal 2021; 34:335-349. [PMID: 32567336 DOI: 10.1089/ars.2019.7983] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Significance: Since their discovery, induced pluripotent stem cells (iPSCs) had generated considerable interest in the scientific community for their great potential in regenerative medicine, disease modeling, and cell-based therapeutic approach, due to their unique characteristics of self-renewal and pluripotency. Recent Advances: Technological advances in iPSC genome-wide epigenetic profiling led to the elucidation of the epigenetic control of cellular identity during nuclear reprogramming. Moreover, iPSC physiology and metabolism are tightly regulated by oxidation-reduction events that mainly occur during the respiratory chain. In theory, iPSC-derived differentiated cells would be ideal for stem cell transplantation as autologous cells from donors, as the risks of rejection are minimal. Critical Issues: However, iPSCs experience high oxidative stress that, in turn, confers a high risk of increased genomic instability, which is most often linked to DNA repair deficiencies. Genomic instability has to be assessed before iPSCs can be used in therapeutic designs. Future Directions: This review will particularly focus on the links between redox balance and epigenetic modifications-in particular based on the histone variant macroH2A1-that determine DNA damage response in iPSCs and derived differentiated cells, and that might be exploited to decrease the teratogenic potential on iPSC transplantation. Antioxid. Redox Signal. 34, 335-349.
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Affiliation(s)
- Sebastiano Giallongo
- International Clinical Research Center, St' Anne's University Hospital, Brno, Czech Republic.,Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Daniela Rehakova
- International Clinical Research Center, St' Anne's University Hospital, Brno, Czech Republic.,Faculty of Informatics, Centre for Biomedical Image Analysis, Masaryk University, Brno, Czech Republic
| | - Marco Raffaele
- International Clinical Research Center, St' Anne's University Hospital, Brno, Czech Republic
| | - Oriana Lo Re
- International Clinical Research Center, St' Anne's University Hospital, Brno, Czech Republic
| | - Irena Koutna
- International Clinical Research Center, St' Anne's University Hospital, Brno, Czech Republic.,Faculty of Informatics, Centre for Biomedical Image Analysis, Masaryk University, Brno, Czech Republic
| | - Manlio Vinciguerra
- International Clinical Research Center, St' Anne's University Hospital, Brno, Czech Republic.,Department of Histology and Embryology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
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25
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Abstract
Adenosine diphosphate (ADP)-ribosylation is a unique post-translational modification that regulates many biological processes, such as DNA damage repair. During DNA repair, ADP-ribosylation needs to be reversed by ADP-ribosylhydrolases. A group of ADP-ribosylhydrolases have a catalytic domain, namely the macrodomain, which is conserved in evolution from prokaryotes to humans. Not all macrodomains remove ADP-ribosylation. One set of macrodomains loses enzymatic activity and only binds to ADP-ribose (ADPR). Here, we summarize the biological functions of these macrodomains in DNA damage repair and compare the structure of enzymatically active and inactive macrodomains. Moreover, small molecular inhibitors have been developed that target macrodomains to suppress DNA damage repair and tumor growth. Macrodomain proteins are also expressed in pathogens, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, these domains may not be directly involved in DNA damage repair in the hosts or pathogens. Instead, they play key roles in pathogen replication. Thus, by targeting macrodomains it may be possible to treat pathogen-induced diseases, such as coronavirus disease 2019 (COVID-19).
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Affiliation(s)
- Lily Yu
- Westridge School, Pasadena, California 91105, USA
| | - Xiuhua Liu
- Institute of Life Science and Green Development, College of Life Science, Hebei University, Baoding 071002, China.
| | - Xiaochun Yu
- School of Life Sciences, Westlake University, Hangzhou 310024, China.
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26
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Ferrand J, Rondinelli B, Polo SE. Histone Variants: Guardians of Genome Integrity. Cells 2020; 9:E2424. [PMID: 33167489 PMCID: PMC7694513 DOI: 10.3390/cells9112424] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 10/30/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022] Open
Abstract
Chromatin integrity is key for cell homeostasis and for preventing pathological development. Alterations in core chromatin components, histone proteins, recently came into the spotlight through the discovery of their driving role in cancer. Building on these findings, in this review, we discuss how histone variants and their associated chaperones safeguard genome stability and protect against tumorigenesis. Accumulating evidence supports the contribution of histone variants and their chaperones to the maintenance of chromosomal integrity and to various steps of the DNA damage response, including damaged chromatin dynamics, DNA damage repair, and damage-dependent transcription regulation. We present our current knowledge on these topics and review recent advances in deciphering how alterations in histone variant sequence, expression, and deposition into chromatin fuel oncogenic transformation by impacting cell proliferation and cell fate transitions. We also highlight open questions and upcoming challenges in this rapidly growing field.
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Affiliation(s)
| | | | - Sophie E. Polo
- Epigenetics & Cell Fate Centre, UMR7216 CNRS, Université de Paris, 75013 Paris, France; (J.F.); (B.R.)
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27
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Curtin NJ, Szabo C. Poly(ADP-ribose) polymerase inhibition: past, present and future. Nat Rev Drug Discov 2020; 19:711-736. [PMID: 32884152 DOI: 10.1038/s41573-020-0076-6] [Citation(s) in RCA: 278] [Impact Index Per Article: 69.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2020] [Indexed: 12/11/2022]
Abstract
The process of poly(ADP-ribosyl)ation and the major enzyme that catalyses this reaction, poly(ADP-ribose) polymerase 1 (PARP1), were discovered more than 50 years ago. Since then, advances in our understanding of the roles of PARP1 in cellular processes such as DNA repair, gene transcription and cell death have allowed the investigation of therapeutic PARP inhibition for a variety of diseases - particularly cancers in which defects in DNA repair pathways make tumour cells highly sensitive to the inhibition of PARP activity. Efforts to identify and evaluate potent PARP inhibitors have so far led to the regulatory approval of four PARP inhibitors for the treatment of several types of cancer, and PARP inhibitors have also shown therapeutic potential in treating non-oncological diseases. This Review provides a timeline of PARP biology and medicinal chemistry, summarizes the pathophysiological processes in which PARP plays a role and highlights key opportunities and challenges in the field, such as counteracting PARP inhibitor resistance during cancer therapy and repurposing PARP inhibitors for the treatment of non-oncological diseases.
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Affiliation(s)
- Nicola J Curtin
- Translational and Clinical Research Institute, Newcastle University Centre for Cancer, Faculty of Medical Sciences, University of Newcastle, Newcastle upon Tyne, UK.
| | - Csaba Szabo
- Chair of Pharmacology, Section of Science and Medicine, University of Fribourg, Fribourg, Switzerland.
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28
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Mitochondrial Functions, Energy Metabolism and Protein Glycosylation are Interconnected Processes Mediating Resistance to Bortezomib in Multiple Myeloma Cells. Biomolecules 2020; 10:biom10050696. [PMID: 32365811 PMCID: PMC7277183 DOI: 10.3390/biom10050696] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 03/31/2020] [Accepted: 04/28/2020] [Indexed: 12/18/2022] Open
Abstract
The proteasome inhibitor bortezomib (BTZ) has emerged as an effective drug for the treatment of multiple myeloma even though many patients relapse from BTZ therapy. The present study investigated the metabolic pathways underlying the acquisition of bortezomib resistance in multiple myeloma. We used two different clones of multiple myeloma cell lines exhibiting different sensitivities to BTZ (U266 and U266-R) and compared them in terms of metabolic profile, mitochondrial fitness and redox balance homeostasis capacity. Our results showed that the BTZ-resistant clone (U266-R) presented increased glycosylated UDP-derivatives when compared to BTZ-sensitive cells (U266), thus also suggesting higher activities of the hexosamine biosynthetic pathway (HBP), regulating not only protein O- and N-glycosylation but also mitochondrial functions. Notably, U266-R displayed increased mitochondrial biogenesis and mitochondrial dynamics associated with stronger antioxidant defenses. Furthermore, U266-R maintained a significantly higher concentration of substrates for protein glycosylation when compared to U266, particularly for UDP-GlcNac, thus further suggesting the importance of glycosylation in the BTZ pharmacological response. Moreover, BTZ-treated U266-R showed significantly higher ATP/ADP ratios and levels of ECP and also exhibited increased mitochondrial fitness and antioxidant response. In conclusions, our findings suggest that the HBP may play a major role in mitochondrial fitness, driving BTZ resistance in multiple myeloma and thus representing a possible target for new drug development for BTZ-resistant patients.
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Hurtado-Bagès S, Knobloch G, Ladurner AG, Buschbeck M. The taming of PARP1 and its impact on NAD + metabolism. Mol Metab 2020; 38:100950. [PMID: 32199820 PMCID: PMC7300387 DOI: 10.1016/j.molmet.2020.01.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/10/2020] [Accepted: 01/24/2020] [Indexed: 12/21/2022] Open
Abstract
Background Poly-ADP-ribose polymerases (PARPs) are key mediators of cellular stress response. They are intimately linked to cellular metabolism through the consumption of NAD+. PARP1/ARTD1 in the nucleus is the major NAD+ consuming activity and plays a key role in maintaining genomic integrity. Scope of review In this review, we discuss how different organelles are linked through NAD+ metabolism and how PARP1 activation in the nucleus can impact the function of distant organelles. We discuss how differentiated cells tame PARP1 function by upregulating an endogenous inhibitor, the histone variant macroH2A1.1. Major conclusions The presence of macroH2A1.1, particularly in differentiated cells, raises the threshold for the activation of PARP1 with consequences for DNA repair, gene transcription, and NAD+ homeostasis. Beyond DNA repair, PARP1 is essential for metabolic homeostasis. Epigenetic mechanisms prevent metabolic disorders through PARP1 taming. Beyond cancer, the development of PARP1 inhibitors offers diverse clinical potential.
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Affiliation(s)
- Sarah Hurtado-Bagès
- Josep Carreras Leukemia Research Institute, Campus ICO-Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916, Badalona, Spain; Department of Experimental and Health Sciences, Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Gunnar Knobloch
- Biomedical Center Munich, Physiological Chemistry, Ludwig-Maximilians-Universität München, 82152, Planegg-Martinsried, Germany
| | - Andreas G Ladurner
- Biomedical Center Munich, Physiological Chemistry, Ludwig-Maximilians-Universität München, 82152, Planegg-Martinsried, Germany; Center for Integrated Protein Science Munich (CIPSM), Ludwig-Maximilians-Universität München, 81377, Munich, Germany; Munich Cluster for Systems Neurology (SyNergy), Ludwig-Maximilians-Universität München, 81377, Munich, Germany.
| | - Marcus Buschbeck
- Josep Carreras Leukemia Research Institute, Campus ICO-Germans Trias i Pujol, Universitat Autònoma de Barcelona, 08916, Badalona, Spain; Program for Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute (PMPPC-IGTP), 08916, Badalona, Spain.
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