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Hama EY, Nakamichi R, Hishikawa A, Kihara M, Abe T, Yoshimoto N, Nishimura ES, Itoh H, Hayashi K. Podocyte Ercc1 is indispensable for glomerular integrity. Biochem Biophys Res Commun 2024; 704:149713. [PMID: 38428304 DOI: 10.1016/j.bbrc.2024.149713] [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: 02/01/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024]
Abstract
As life expectancy continues to increase, age-related kidney diseases are becoming more prevalent. Chronic kidney disease (CKD) is not only a consequence of aging but also a potential accelerator of aging process. Here we report the pivotal role of podocyte ERCC1, a DNA repair factor, in maintaining glomerular integrity and a potential effect on multiple organs. Podocyte-specific ERCC1-knockout mice developed severe proteinuria, glomerulosclerosis, and renal failure, accompanied by a significant increase in glomerular DNA single-strand breaks (SSBs) and double-strand breaks (DSBs). ERCC1 gene transfer experiment in the knockout mice attenuated proteinuria and glomerulosclerosis with reduced DNA damage. Notably, CD44+CD8+ memory T cells, indicative of T-cell senescence, were already elevated in the peripheral blood of knockout mice at 10 weeks old. Additionally, levels of senescence-associated secretory phenotype (SASP) factors were significantly increased in both the circulation and multiple organs of the knockout mice. In older mice and human patients, we observed an accumulation of DSBs and an even greater buildup of SSBs in glomeruli, despite no significant reduction in ERCC1 expression with age in mice. Collectively, our findings highlight the crucial role of ERCC1 in repairing podocyte DNA damage, with potential implications for inflammation in various organs.
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Affiliation(s)
- Eriko Yoshida Hama
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Ran Nakamichi
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Akihito Hishikawa
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Miho Kihara
- Laboratory for Animal Resources and Genetic Engineering, RIKEN Center for Biosystems Dynamics Research, Hyogo, Japan
| | - Takaya Abe
- Laboratory for Animal Resources and Genetic Engineering, RIKEN Center for Biosystems Dynamics Research, Hyogo, Japan
| | - Norifumi Yoshimoto
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Erina Sugita Nishimura
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hiroshi Itoh
- Center for Preventive Medicine, School of Medicine, Keio University, Japan
| | - Kaori Hayashi
- Division of Nephrology, Endocrinology and Metabolism, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.
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Hill RJ, Bona N, Smink J, Webb HK, Crisp A, Garaycoechea JI, Crossan GP. p53 regulates diverse tissue-specific outcomes to endogenous DNA damage in mice. Nat Commun 2024; 15:2518. [PMID: 38514641 PMCID: PMC10957910 DOI: 10.1038/s41467-024-46844-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 03/08/2024] [Indexed: 03/23/2024] Open
Abstract
DNA repair deficiency can lead to segmental phenotypes in humans and mice, in which certain tissues lose homeostasis while others remain seemingly unaffected. This may be due to different tissues facing varying levels of damage or having different reliance on specific DNA repair pathways. However, we find that the cellular response to DNA damage determines different tissue-specific outcomes. Here, we use a mouse model of the human XPF-ERCC1 progeroid syndrome (XFE) caused by loss of DNA repair. We find that p53, a central regulator of the cellular response to DNA damage, regulates tissue dysfunction in Ercc1-/- mice in different ways. We show that ablation of p53 rescues the loss of hematopoietic stem cells, and has no effect on kidney, germ cell or brain dysfunction, but exacerbates liver pathology and polyploidisation. Mechanistically, we find that p53 ablation led to the loss of cell-cycle regulation in the liver, with reduced p21 expression. Eventually, p16/Cdkn2a expression is induced, serving as a fail-safe brake to proliferation in the absence of the p53-p21 axis. Taken together, our data show that distinct and tissue-specific functions of p53, in response to DNA damage, play a crucial role in regulating tissue-specific phenotypes.
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Affiliation(s)
- Ross J Hill
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Nazareno Bona
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Job Smink
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW), Utrecht, the Netherlands
| | - Hannah K Webb
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Alastair Crisp
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK
| | - Juan I Garaycoechea
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW), Utrecht, the Netherlands.
| | - Gerry P Crossan
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, UK.
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Yılmaz D, Mathavan N, Wehrle E, Kuhn GA, Müller R. Mouse models of accelerated aging in musculoskeletal research for assessing frailty, sarcopenia, and osteoporosis - A review. Ageing Res Rev 2024; 93:102118. [PMID: 37935249 DOI: 10.1016/j.arr.2023.102118] [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: 07/03/2023] [Revised: 10/01/2023] [Accepted: 11/03/2023] [Indexed: 11/09/2023]
Abstract
Musculoskeletal aging encompasses the decline in bone and muscle function, leading to conditions such as frailty, osteoporosis, and sarcopenia. Unraveling the underlying molecular mechanisms and developing effective treatments are crucial for improving the quality of life for those affected. In this context, accelerated aging models offer valuable insights into these conditions by displaying the hallmarks of human aging. Herein, this review focuses on relevant mouse models of musculoskeletal aging with particular emphasis on frailty, osteoporosis, and sarcopenia. Among the discussed models, PolgA mice in particular exhibit hallmarks of musculoskeletal aging, presenting early-onset frailty, as well as reduced bone and muscle mass that closely resemble human musculoskeletal aging. Ultimately, findings from these models hold promise for advancing interventions targeted at age-related musculoskeletal disorders, effectively addressing the challenges posed by musculoskeletal aging and associated conditions in humans.
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Affiliation(s)
- Dilara Yılmaz
- Institute for Biomechanics, ETH Zurich, Zurich, Switzerland
| | | | - Esther Wehrle
- Institute for Biomechanics, ETH Zurich, Zurich, Switzerland; AO Research Institute Davos, Davos Platz, Switzerland
| | - Gisela A Kuhn
- Institute for Biomechanics, ETH Zurich, Zurich, Switzerland
| | - Ralph Müller
- Institute for Biomechanics, ETH Zurich, Zurich, Switzerland.
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Bona N, Crossan GP. Fanconi anemia DNA crosslink repair factors protect against LINE-1 retrotransposition during mouse development. Nat Struct Mol Biol 2023; 30:1434-1445. [PMID: 37580626 PMCID: PMC10584689 DOI: 10.1038/s41594-023-01067-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 07/13/2023] [Indexed: 08/16/2023]
Abstract
Long interspersed nuclear element 1 (LINE-1) is the only autonomous retrotransposon in humans and new integrations are a major source of genetic variation between individuals. These events can also lead to de novo germline mutations, giving rise to heritable genetic diseases. Recently, a role for DNA repair in regulating these events has been identified. Here we find that Fanconi anemia (FA) DNA crosslink repair factors act in a common pathway to prevent retrotransposition. We purify recombinant SLX4-XPF-ERCC1, the crosslink repair incision complex, and find that it cleaves putative nucleic acid intermediates of retrotransposition. Mice deficient in upstream crosslink repair signaling (FANCA), a downstream component (FANCD2) or the nuclease XPF-ERCC1 show increased LINE-1 retrotransposition in vivo. Organisms limit retrotransposition through transcriptional silencing but this protection is attenuated during early development leaving the zygote vulnerable. We find that during this window of vulnerability, DNA crosslink repair acts as a failsafe to prevent retrotransposition. Together, our results indicate that the FA DNA crosslink repair pathway acts together to protect against mutation by restricting LINE-1 retrotransposition.
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Gohil D, Sarker AH, Roy R. Base Excision Repair: Mechanisms and Impact in Biology, Disease, and Medicine. Int J Mol Sci 2023; 24:14186. [PMID: 37762489 PMCID: PMC10531636 DOI: 10.3390/ijms241814186] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Base excision repair (BER) corrects forms of oxidative, deamination, alkylation, and abasic single-base damage that appear to have minimal effects on the helix. Since its discovery in 1974, the field has grown in several facets: mechanisms, biology and physiology, understanding deficiencies and human disease, and using BER genes as potential inhibitory targets to develop therapeutics. Within its segregation of short nucleotide (SN-) and long patch (LP-), there are currently six known global mechanisms, with emerging work in transcription- and replication-associated BER. Knockouts (KOs) of BER genes in mouse models showed that single glycosylase knockout had minimal phenotypic impact, but the effects were clearly seen in double knockouts. However, KOs of downstream enzymes showed critical impact on the health and survival of mice. BER gene deficiency contributes to cancer, inflammation, aging, and neurodegenerative disorders. Medicinal targets are being developed for single or combinatorial therapies, but only PARP and APE1 have yet to reach the clinical stage.
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Affiliation(s)
- Dhara Gohil
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA;
| | - Altaf H. Sarker
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;
| | - Rabindra Roy
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA;
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Garaycoechea JI, Quinlan C, Luijsterburg MS. Pathological consequences of DNA damage in the kidney. Nat Rev Nephrol 2023; 19:229-243. [PMID: 36702905 DOI: 10.1038/s41581-022-00671-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2022] [Indexed: 01/27/2023]
Abstract
DNA lesions that evade repair can lead to mutations that drive the development of cancer, and cellular responses to DNA damage can trigger senescence and cell death, which are associated with ageing. In the kidney, DNA damage has been implicated in both acute and chronic kidney injury, and in renal cell carcinoma. The susceptibility of the kidney to chemotherapeutic agents that damage DNA is well established, but an unexpected link between kidney ciliopathies and the DNA damage response has also been reported. In addition, human genetic deficiencies in DNA repair have highlighted DNA crosslinks, DNA breaks and transcription-blocking damage as lesions that are particularly toxic to the kidney. Genetic tools in mice, as well as advances in kidney organoid and single-cell RNA sequencing technologies, have provided important insights into how specific kidney cell types respond to DNA damage. The emerging view is that in the kidney, DNA damage affects the local microenvironment by triggering a damage response and cell proliferation to replenish injured cells, as well as inducing systemic responses aimed at reducing exposure to genotoxic stress. The pathological consequences of DNA damage are therefore key to the nephrotoxicity of DNA-damaging agents and the kidney phenotypes observed in human DNA repair-deficiency disorders.
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Affiliation(s)
- Juan I Garaycoechea
- Hubrecht Institute-KNAW, University Medical Center Utrecht, Utrecht, The Netherlands.
| | - Catherine Quinlan
- Department of Paediatrics, University of Melbourne, Parkville, Australia
- Department of Nephrology, Royal Children's Hospital, Melbourne, Australia
- Department of Kidney Regeneration, Murdoch Children's Research Institute, Melbourne, Australia
| | - Martijn S Luijsterburg
- Department of Human Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands.
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Bujarrabal-Dueso A, Sendtner G, Meyer DH, Chatzinikolaou G, Stratigi K, Garinis GA, Schumacher B. The DREAM complex functions as conserved master regulator of somatic DNA-repair capacities. Nat Struct Mol Biol 2023; 30:475-488. [PMID: 36959262 PMCID: PMC10113156 DOI: 10.1038/s41594-023-00942-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 02/08/2023] [Indexed: 03/25/2023]
Abstract
The DNA-repair capacity in somatic cells is limited compared with that in germ cells. It has remained unknown whether not only lesion-type-specific, but overall repair capacities could be improved. Here we show that the DREAM repressor complex curbs the DNA-repair capacities in somatic tissues of Caenorhabditis elegans. Mutations in the DREAM complex induce germline-like expression patterns of multiple mechanisms of DNA repair in the soma. Consequently, DREAM mutants confer resistance to a wide range of DNA-damage types during development and aging. Similarly, inhibition of the DREAM complex in human cells boosts DNA-repair gene expression and resistance to distinct DNA-damage types. DREAM inhibition leads to decreased DNA damage and prevents photoreceptor loss in progeroid Ercc1-/- mice. We show that the DREAM complex transcriptionally represses essentially all DNA-repair systems and thus operates as a highly conserved master regulator of the somatic limitation of DNA-repair capacities.
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Affiliation(s)
- Arturo Bujarrabal-Dueso
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University and University Hospital of Cologne, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Aging-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Georg Sendtner
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University and University Hospital of Cologne, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Aging-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - David H Meyer
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University and University Hospital of Cologne, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Aging-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Georgia Chatzinikolaou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Department of Biology, University of Crete, Heraklion, Crete, Greece
| | - Kalliopi Stratigi
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Department of Biology, University of Crete, Heraklion, Crete, Greece
| | - George A Garinis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Department of Biology, University of Crete, Heraklion, Crete, Greece
| | - Björn Schumacher
- Institute for Genome Stability in Aging and Disease, Medical Faculty, University and University Hospital of Cologne, Cologne, Germany.
- Cologne Excellence Cluster for Cellular Stress Responses in Aging-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany.
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Zhang Y, Zhou Y, Kan D, Yang Y, Shen J, Han C, Liu X, Yang J. m6A-mediated nonhomologous end joining (NHEJ) pathway regulates senescence in Brachionus plicatilis (Rotifera). Arch Gerontol Geriatr 2023; 111:104994. [PMID: 36963346 DOI: 10.1016/j.archger.2023.104994] [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: 01/18/2023] [Revised: 02/23/2023] [Accepted: 03/06/2023] [Indexed: 03/14/2023]
Abstract
Epigenetic modifications play an important role in the regulation of senescence. N6-methyladenosine (m6A) is the most abundant modification of mRNA. However, the impact of m6A on senescence remains largely unknown at the animal individual level. Standard model organisms Caenorhabditis elegans and Drosophila melanogaster lack many gene homologs of vertebrate m6A system that are present in other invertebrates. In this study, we employed a small aquatic invertebrate Brachionus plicatilis which has been used in aging studies for nearly 100 years to study how m6A affects aging. Phylogenetic analysis confirmed that rotifers' m6A pathway has a conserved methyltransferase complex but no demethylases and the m6A reading system was more akin to that of vertebrates than that of D. melanogaster. m6A methyltransferases are highly expressed during development but reduces dramatically during aging. Knockdown of METTL3 results in decreased fecundity and premature senescence of rotifers. Furthermore, RT-qPCR analysis indicates a role for m6A in the nonhomologous end joining (NHEJ) pathway of DNA double-strand breaks (DSBs) repair. Altogether, our work reveals a senescence regulatory model for the rotifer METTL3-m6A-NHEJ pathway.
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Affiliation(s)
- Yu Zhang
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Yang Zhou
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Dongqi Kan
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Yunhong Yang
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Jing Shen
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Cui Han
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Xiaojie Liu
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China
| | - Jiaxin Yang
- School of Marine Science and Engineering, Nanjing Normal University, No. 2 Xuelin Rd, Nanjing 210023, People's Republic of China.
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Ataei Ataabadi E, Golshiri K, Jüttner AA, de Vries R, Van den Berg‐Garrelds I, Nagtzaam NMA, Khan HN, Leijten FPJ, Brandt RMC, Dik WA, van der Pluijm I, Danser AHJ, Sandner P, Roks AJM. Soluble guanylate cyclase activator BAY 54-6544 improves vasomotor function and survival in an accelerated ageing mouse model. Aging Cell 2022; 21:e13683. [PMID: 36029161 PMCID: PMC9470884 DOI: 10.1111/acel.13683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/08/2022] [Accepted: 07/17/2022] [Indexed: 01/24/2023] Open
Abstract
DNA damage is a causative factor in ageing of the vasculature and other organs. One of the most important vascular ageing features is reduced nitric oxide (NO)soluble guanylate cyclase (sGC)-cyclic guanosine monophosphate (cGMP) signaling. We hypothesized that the restoration of NO-sGC-cGMP signaling with an sGC activator (BAY 54-6544) may have beneficial effects on vascular ageing and premature death in DNA repair-defective mice undergoing accelerated ageing. Eight weeks of treatment with a non-pressor dosage of BAY 54-6544 restored the decreased in vivo microvascular cutaneous perfusion in progeroid Ercc1∆/- mice to the level of wild-type mice. In addition, BAY 54-6544 increased survival of Ercc1∆/- mice. In isolated Ercc1∆/- aorta, the decreased endothelium-independent vasodilation was restored after chronic BAY 54-6544 treatment. Senescence markers p16 and p21, and markers of inflammation, including Ccl2, Il6 in aorta and liver, and circulating IL-6 and TNF-α were increased in Ercc1∆/- , which was lowered by the treatment. Expression of antioxidant genes, including Cyb5r3 and Nqo1, was favorably changed by chronic BAY 54-6544 treatment. In summary, BAY 54-6544 treatment improved the vascular function and survival rates in mice with accelerated ageing, which may have implication in prolonging health span in progeria and normal ageing.
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Affiliation(s)
- Ehsan Ataei Ataabadi
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | - Keivan Golshiri
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | - Annika A. Jüttner
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | - René de Vries
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | - Ingrid Van den Berg‐Garrelds
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | - Nicole M. A. Nagtzaam
- Laboratory Medical Immunology, Department of ImmunologyErasmus MCRotterdamthe Netherlands
| | - Hina N. Khan
- Department of Molecular GeneticsErasmus MC Rotterdamthe Netherlands
| | - Frank P. J. Leijten
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | | | - Willem A. Dik
- Laboratory Medical Immunology, Department of ImmunologyErasmus MCRotterdamthe Netherlands
| | - Ingrid van der Pluijm
- Department of Molecular GeneticsErasmus MC Rotterdamthe Netherlands,Department of Vascular SurgeryErasmus MC Rotterdamthe Netherlands
| | - A. H. Jan Danser
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
| | - Peter Sandner
- Bayer AG, Pharmaceuticals R&D, Pharma Research Center Wuppertal, Germany & Hannover Medical SchoolInstitute of PharmacologyHannoverGermany
| | - Anton J. M. Roks
- Division of Pharmacology and Vascular Medicine, Department of Internal MedicineErasmus MCRotterdamthe Netherlands
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Vougioukalaki M, Demmers J, Vermeij WP, Baar M, Bruens S, Magaraki A, Kuijk E, Jager M, Merzouk S, Brandt RM, Kouwenberg J, van Boxtel R, Cuppen E, Pothof J, Hoeijmakers JHJ. Different responses to DNA damage determine ageing differences between organs. Aging Cell 2022; 21:e13562. [PMID: 35246937 PMCID: PMC9009128 DOI: 10.1111/acel.13562] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 12/17/2021] [Accepted: 01/05/2022] [Indexed: 12/13/2022] Open
Abstract
Organs age differently, causing wide heterogeneity in multimorbidity, but underlying mechanisms are largely elusive. To investigate the basis of organ-specific ageing, we utilized progeroid repair-deficient Ercc1Δ /- mouse mutants and systematically compared at the tissue, stem cell and organoid level two organs representing ageing extremes. Ercc1Δ /- intestine shows hardly any accelerated ageing. Nevertheless, we found apoptosis and reduced numbers of intestinal stem cells (ISCs), but cell loss appears compensated by over-proliferation. ISCs retain their organoid-forming capacity, but organoids perform poorly in culture, compared with WT. Conversely, liver ages dramatically, even causing early death in Ercc1-KO mice. Apoptosis, p21, polyploidization and proliferation of various (stem) cells were prominently elevated in Ercc1Δ /- liver and stem cell populations were either largely unaffected (Sox9+), or expanding (Lgr5+), but were functionally exhausted in organoid formation and development in vitro. Paradoxically, while intestine displays less ageing, repair in WT ISCs appears inferior to liver as shown by enhanced sensitivity to various DNA-damaging agents, and lower lesion removal. Our findings reveal organ-specific anti-ageing strategies. Intestine, with short lifespan limiting time for damage accumulation and repair, favours apoptosis of damaged cells relying on ISC plasticity. Liver with low renewal rates depends more on repair pathways specifically protecting the transcribed compartment of the genome to promote sustained functionality and cell preservation. As shown before, the hematopoietic system with intermediate self-renewal mainly invokes replication-linked mechanisms, apoptosis and senescence. Hence, organs employ different genome maintenance strategies, explaining heterogeneity in organ ageing and the segmental nature of DNA-repair-deficient progerias.
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Affiliation(s)
- Maria Vougioukalaki
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
| | - Joris Demmers
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
| | - Wilbert P. Vermeij
- Princess Máxima Center for Pediatric Oncology Oncode Institute Utrecht The Netherlands
| | - Marjolein Baar
- Center for Molecular Medicine University Medical Center Utrecht Utrecht The Netherlands
| | - Serena Bruens
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
| | - Aristea Magaraki
- Department of Developmental Biology Oncode Institute Rotterdam The Netherlands
| | - Ewart Kuijk
- Division Biomedical Genetics Center for Molecular Medicine and Cancer Genomics Netherlands University Medical Center Utrecht Utrecht University Utrecht The Netherlands
| | - Myrthe Jager
- Department of Genetics Center for Molecular Medicine University Medical Center Utrecht Utrecht University Utrecht The Netherlands
| | - Sarra Merzouk
- Department of Developmental Biology Oncode Institute Rotterdam The Netherlands
| | - Renata M.C. Brandt
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
| | - Janneke Kouwenberg
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
| | - Ruben van Boxtel
- Princess Máxima Center for Pediatric Oncology Oncode Institute Utrecht The Netherlands
| | - Edwin Cuppen
- Division Biomedical Genetics Center for Molecular Medicine and Cancer Genomics Netherlands University Medical Center Utrecht Utrecht University Utrecht The Netherlands
- Hartwig Medical Foundation Amsterdam Netherlands
| | - Joris Pothof
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
| | - Jan H. J. Hoeijmakers
- Department Molecular Genetics Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
- Princess Máxima Center for Pediatric Oncology Oncode Institute Utrecht The Netherlands
- Institute for Genome Stability in Ageing and Disease Cologne Excellence Cluster for Cellular Stress Responses in Aging‐Associated Diseases (CECAD) University Hospital of Cologne Cologne Germany
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11
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T Cell Aging in Patients with Colorectal Cancer-What Do We Know So Far? Cancers (Basel) 2021; 13:cancers13246227. [PMID: 34944847 PMCID: PMC8699226 DOI: 10.3390/cancers13246227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 01/02/2023] Open
Abstract
Simple Summary This review describes the role of T cell aging in colorectal cancer development. T cells are important mediators in cancer immunity. Aging affects T cells, leading to various dysfunctions which can impede antitumor immunity. While some hallmarks of T cell aging have been observed in colorectal cancer patients, the functional role of such cells is not clear. Therefore, understanding how aged T cells influence overall patient outcome could potentially help in the pursue to develop new therapies for the elderly. Abstract Colorectal cancer (CRC) continues to be one of the most frequently diagnosed types of cancers in the world. CRC is considered to affect mostly elderly patients, and the number of diagnosed cases increases with age. Even though general screening improves outcomes, the overall survival and recurrence-free CRC rates in aged individuals are highly dependent on their history of comorbidities. Furthermore, aging is also known to alter the immune system, and especially the adaptive immune T cells. Many studies have emphasized the importance of T cell responses to CRC. Therefore, understanding how age-related changes affect the outcome in CRC patients is crucial. This review focuses on what is so far known about age-related T cell dysfunction in elderly patients with colorectal cancer and how aged T cells can mediate its development. Last, this study describes the advances in basic animal models that have potential to be used to elucidate the role of aged T cells in CRC.
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12
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Genomic instability in the naturally and prematurely aged myocardium. Proc Natl Acad Sci U S A 2021; 118:2022974118. [PMID: 34465617 DOI: 10.1073/pnas.2022974118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Genomic instability, the unresolved accumulation of DNA variants, is hypothesized as one of the contributors to the natural aging process. We assessed the frequency of unresolved DNA damage reaching the transcriptome of the murine myocardium during the course of natural aging and in hearts from four distinct mouse models of premature aging with established aging-related cardiac dysfunctions. RNA sequencing and variant calling based on total RNA sequencing was compared between hearts from naturally aging mice, mice with cardiomyocyte-specific deficiency of Ercc1, a component of the DNA repair machinery, mice with reduced mitochondrial antioxidant capacity, Tert-deficient mice with reduced telomere length, and a mouse model of human Hutchinson-Gilford progeria syndrome (HGPS). Our results demonstrate that no enrichment in variants is evident in the naturally aging murine hearts until 2 y of age from the HGPS mouse model or mice with reduced telomere lengths. In contrast, a dramatic accumulation of variants was evident in Ercc1 cardiomyocyte-specific knockout mice with deficient DNA repair machinery, in mice with reduced mitochondrial antioxidant capacity, and in the intestine, liver, and lung of naturally aging mice. Our data demonstrate that genomic instability does not evidently contribute to naturally aging of the mouse heart in contrast to other organs and support the contention that the endogenous DNA repair machinery is remarkably active to maintain genomic integrity in cardiac cells throughout life.
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13
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Apelt K, White SM, Kim HS, Yeo JE, Kragten A, Wondergem AP, Rooimans MA, González-Prieto R, Wiegant WW, Lunke S, Flanagan D, Pantaleo S, Quinlan C, Hardikar W, van Attikum H, Vertegaal AC, Wilson BT, Wolthuis RM, Schärer OD, Luijsterburg MS. ERCC1 mutations impede DNA damage repair and cause liver and kidney dysfunction in patients. J Exp Med 2021; 218:e20200622. [PMID: 33315086 PMCID: PMC7927433 DOI: 10.1084/jem.20200622] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 09/25/2020] [Accepted: 10/15/2020] [Indexed: 12/12/2022] Open
Abstract
ERCC1-XPF is a multifunctional endonuclease involved in nucleotide excision repair (NER), interstrand cross-link (ICL) repair, and DNA double-strand break (DSB) repair. Only two patients with bi-allelic ERCC1 mutations have been reported, both of whom had features of Cockayne syndrome and died in infancy. Here, we describe two siblings with bi-allelic ERCC1 mutations in their teenage years. Genomic sequencing identified a deletion and a missense variant (R156W) within ERCC1 that disrupts a salt bridge below the XPA-binding pocket. Patient-derived fibroblasts and knock-in epithelial cells carrying the R156W substitution show dramatically reduced protein levels of ERCC1 and XPF. Moreover, mutant ERCC1 weakly interacts with NER and ICL repair proteins, resulting in diminished recruitment to DNA damage. Consequently, patient cells show strongly reduced NER activity and increased chromosome breakage induced by DNA cross-linkers, while DSB repair was relatively normal. We report a new case of ERCC1 deficiency that severely affects NER and considerably impacts ICL repair, which together result in a unique phenotype combining short stature, photosensitivity, and progressive liver and kidney dysfunction.
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Affiliation(s)
- Katja Apelt
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | - Susan M. White
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Australia
| | - Hyun Suk Kim
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
| | - Jung-Eun Yeo
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
| | - Angela Kragten
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | | | - Martin A. Rooimans
- Section of Oncogenetics, Department of Clinical Genetics, Vrije Universiteit Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Román González-Prieto
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Wouter W. Wiegant
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | - Sebastian Lunke
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
- Department of Pathology, University of Melbourne, Parkville, Australia
| | - Daniel Flanagan
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
| | - Sarah Pantaleo
- Victorian Clinical Genetics Services, Murdoch Children’s Research Institute, Parkville, Australia
| | - Catherine Quinlan
- Department of Paediatrics, University of Melbourne, Parkville, Australia
- Department of Nephrology, Royal Children’s Hospital, Melbourne, Australia
- Department of Kidney Regeneration, Murdoch Children’s Research Institute, Melbourne, Australia
| | - Winita Hardikar
- Department of Paediatrics, University of Melbourne, Parkville, Australia
- Department of Gastroenterology, Royal Children's Hospital, Melbourne, Victoria, Australia
- Murdoch Children’s Research Institute, Parkville, Australia
| | - Haico van Attikum
- Department of Human Genetics, Leiden University Medical Center, Leiden, Netherlands
| | - Alfred C.O. Vertegaal
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Brian T. Wilson
- Institute of Genetic Medicine, Newcastle University, International Centre for Life, Newcastle upon Tyne, UK
- Northern Genetics Service, Newcastle upon Tyne Hospitals National Health Service Foundation Trust, International Centre for Life, Newcastle upon Tyne, UK
- Department of Clinical Genetics, Great Ormond Street Hospital, London, UK
| | - Rob M.F. Wolthuis
- Section of Oncogenetics, Department of Clinical Genetics, Vrije Universiteit Medical Center and Cancer Center Amsterdam, Amsterdam, Netherlands
| | - Orlando D. Schärer
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, Republic of Korea
- Department of Biological Sciences, School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
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14
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Birkisdóttir MB, Jaarsma D, Brandt RMC, Barnhoorn S, Vliet N, Imholz S, Oostrom CT, Nagarajah B, Portilla Fernández E, Roks AJM, Elgersma Y, Steeg H, Ferreira JA, Pennings JLA, Hoeijmakers JHJ, Vermeij WP, Dollé MET. Unlike dietary restriction, rapamycin fails to extend lifespan and reduce transcription stress in progeroid DNA repair-deficient mice. Aging Cell 2021; 20:e13302. [PMID: 33484480 PMCID: PMC7884048 DOI: 10.1111/acel.13302] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 11/03/2020] [Accepted: 12/07/2020] [Indexed: 12/31/2022] Open
Abstract
Dietary restriction (DR) and rapamycin extend healthspan and life span across multiple species. We have recently shown that DR in progeroid DNA repair‐deficient mice dramatically extended healthspan and trippled life span. Here, we show that rapamycin, while significantly lowering mTOR signaling, failed to improve life span nor healthspan of DNA repair‐deficient Ercc1∆/− mice, contrary to DR tested in parallel. Rapamycin interventions focusing on dosage, gender, and timing all were unable to alter life span. Even genetically modifying mTOR signaling failed to increase life span of DNA repair‐deficient mice. The absence of effects by rapamycin on P53 in brain and transcription stress in liver is in sharp contrast with results obtained by DR, and appoints reducing DNA damage and transcription stress as an important mode of action of DR, lacking by rapamycin. Together, this indicates that mTOR inhibition does not mediate the beneficial effects of DR in progeroid mice, revealing that DR and rapamycin strongly differ in their modes of action.
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Affiliation(s)
- María B. Birkisdóttir
- Princess Máxima Center for Pediatric Oncology, Genome Instability and Nutrition ONCODE Institute Utrecht The Netherlands
| | - Dick Jaarsma
- Department of Neuroscience Erasmus MC Rotterdam The Netherlands
| | | | - Sander Barnhoorn
- Department of Molecular Genetics Erasmus MC Rotterdam The Netherlands
| | - Nicole Vliet
- Department of Molecular Genetics Erasmus MC Rotterdam The Netherlands
| | - Sandra Imholz
- Centre for Health Protection National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
| | - Conny T. Oostrom
- Centre for Health Protection National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
| | - Bhawani Nagarajah
- Centre for Health Protection National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
| | - Eliana Portilla Fernández
- Division of Vascular Medicine and Pharmacology Department of Internal Medicine Erasmus MC Rotterdam The Netherlands
| | - Anton J. M. Roks
- Division of Vascular Medicine and Pharmacology Department of Internal Medicine Erasmus MC Rotterdam The Netherlands
| | - Ype Elgersma
- Department of Neuroscience Erasmus MC Rotterdam The Netherlands
| | - Harry Steeg
- Centre for Health Protection National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
| | - José A. Ferreira
- Department of Statistics, Informatics and Modelling National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
| | - Jeroen L. A. Pennings
- Centre for Health Protection National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
| | - Jan H. J. Hoeijmakers
- Princess Máxima Center for Pediatric Oncology, Genome Instability and Nutrition ONCODE Institute Utrecht The Netherlands
- Department of Molecular Genetics Erasmus MC Rotterdam The Netherlands
- CECAD Forschungszentrum Köln Germany
| | - Wilbert P. Vermeij
- Princess Máxima Center for Pediatric Oncology, Genome Instability and Nutrition ONCODE Institute Utrecht The Netherlands
| | - Martijn E. T. Dollé
- Centre for Health Protection National Institute for Public Health and the Environment (RIVM Bilthoven The Netherlands
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15
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D'Amico AM, Vasquez KM. The multifaceted roles of DNA repair and replication proteins in aging and obesity. DNA Repair (Amst) 2021; 99:103049. [PMID: 33529944 DOI: 10.1016/j.dnarep.2021.103049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 12/14/2022]
Abstract
Efficient mechanisms for genomic maintenance (i.e., DNA repair and DNA replication) are crucial for cell survival. Aging and obesity can lead to the dysregulation of genomic maintenance proteins/pathways and are significant risk factors for the development of cancer, metabolic disorders, and other genetic diseases. Mutations in genes that code for proteins involved in DNA repair and DNA replication can also exacerbate aging- and obesity-related disorders and lead to the development of progeroid diseases. In this review, we will discuss the roles of various DNA repair and replication proteins in aging and obesity as well as investigate the possible mechanisms by which aging and obesity can lead to the dysregulation of these proteins and pathways.
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Affiliation(s)
- Alexandra M D'Amico
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Dell Pediatric Research Institute, 1400 Barbara Jordan Boulevard, Austin, TX, 78723, USA
| | - Karen M Vasquez
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Dell Pediatric Research Institute, 1400 Barbara Jordan Boulevard, Austin, TX, 78723, USA.
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16
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Chen Y, Geng A, Zhang W, Qian Z, Wan X, Jiang Y, Mao Z. Fight to the bitter end: DNA repair and aging. Ageing Res Rev 2020; 64:101154. [PMID: 32977059 DOI: 10.1016/j.arr.2020.101154] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/05/2020] [Accepted: 08/19/2020] [Indexed: 12/11/2022]
Abstract
DNA carries the genetic information that directs complex biological processes; thus, maintaining a stable genome is critical for individual growth and development and for human health. DNA repair is a fundamental and conserved mechanism responsible for mending damaged DNA and restoring genomic stability, while its deficiency is closely related to multiple human disorders. In recent years, remarkable progress has been made in the field of DNA repair and aging. Here, we will extensively discuss the relationship among DNA damage, DNA repair, aging and aging-associated diseases based on the latest research. In addition, the possible role of DNA repair in several potential rejuvenation strategies will be discussed. Finally, we will also review the emerging methods that may facilitate future research on DNA repair.
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17
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Chesnokova V, Melmed S. Peptide Hormone Regulation of DNA Damage Responses. Endocr Rev 2020; 41:5818084. [PMID: 32270196 PMCID: PMC7279704 DOI: 10.1210/endrev/bnaa009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 04/06/2020] [Indexed: 12/13/2022]
Abstract
DNA damage response (DDR) and DNA repair pathways determine neoplastic cell transformation and therapeutic responses, as well as the aging process. Altered DDR functioning results in accumulation of unrepaired DNA damage, increased frequency of tumorigenic mutations, and premature aging. Recent evidence suggests that polypeptide hormones play a role in modulating DDR and DNA damage repair, while DNA damage accumulation may also affect hormonal status. We review the available reports elucidating involvement of insulin-like growth factor 1 (IGF1), growth hormone (GH), α-melanocyte stimulating hormone (αMSH), and gonadotropin-releasing hormone (GnRH)/gonadotropins in DDR and DNA repair as well as the current understanding of pathways enabling these actions. We discuss effects of DNA damage pathway mutations, including Fanconi anemia, on endocrine function and consider mechanisms underlying these phenotypes. (Endocrine Reviews 41: 1 - 19, 2020).
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Affiliation(s)
- Vera Chesnokova
- Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Shlomo Melmed
- Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
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18
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Mitochondrial phosphatase PGAM5 modulates cellular senescence by regulating mitochondrial dynamics. Nat Commun 2020; 11:2549. [PMID: 32439975 PMCID: PMC7242393 DOI: 10.1038/s41467-020-16312-7] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 04/27/2020] [Indexed: 12/15/2022] Open
Abstract
Mitochondria undergo dynamic fusion/fission, biogenesis and mitophagy in response to stimuli or stresses. Disruption of mitochondrial homeostasis could lead to cell senescence, although the underlying mechanism remains unclear. We show that deletion of mitochondrial phosphatase PGAM5 leads to accelerated retinal pigment epithelial (RPE) senescence in vitro and in vivo. Mechanistically, PGAM5 is required for mitochondrial fission through dephosphorylating DRP1. PGAM5 deletion leads to increased mitochondrial fusion and decreased mitochondrial turnover. As results, cellular ATP and reactive oxygen species (ROS) levels are elevated, mTOR and IRF/IFN-β signaling pathways are enhanced, leading to cellular senescence. Overexpression of Drp1 K38A or S637A mutant phenocopies or rescues mTOR activation and senescence in PGAM5-/- cells, respectively. Young but not aging Pgam5-/- mice are resistant to sodium iodate-induced RPE cell death. Our studies establish a link between defective mitochondrial fission, cellular senescence and age-dependent oxidative stress response, which have implications in age-related diseases.
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19
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Vessoni AT, Guerra CCC, Kajitani GS, Nascimento LLS, Garcia CCM. Cockayne Syndrome: The many challenges and approaches to understand a multifaceted disease. Genet Mol Biol 2020; 43:e20190085. [PMID: 32453336 PMCID: PMC7250278 DOI: 10.1590/1678-4685-gmb-2019-0085] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 01/15/2020] [Indexed: 01/04/2023] Open
Abstract
The striking and complex phenotype of Cockayne syndrome (CS) patients combines progeria-like features with developmental deficits. Since the establishment of the in vitro culture of skin fibroblasts derived from patients with CS in the 1970s, significant progress has been made in the understanding of the genetic alterations associated with the disease and their impact on molecular, cellular, and organismal functions. In this review, we provide a historic perspective on the research into CS by revisiting seminal papers in this field. We highlighted the great contributions of several researchers in the last decades, ranging from the cloning and characterization of CS genes to the molecular dissection of their roles in DNA repair, transcription, redox processes and metabolism control. We also provide a detailed description of all pathological mutations in genes ERCC6 and ERCC8 reported to date and their impact on CS-related proteins. Finally, we review the contributions (and limitations) of many genetic animal models to the study of CS and how cutting-edge technologies, such as cell reprogramming and state-of-the-art genome editing, are helping us to address unanswered questions.
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Affiliation(s)
| | - Camila Chaves Coelho Guerra
- Universidade Federal de Ouro Preto, Instituto de Ciências Exatas e
Biológicas, Núcleo de Pesquisa em Ciências Biológicas & Departamento de Ciências
Biológicas, Ouro Preto, MG, Brazil
| | - Gustavo Satoru Kajitani
- Universidade Federal de Ouro Preto, Instituto de Ciências Exatas e
Biológicas, Núcleo de Pesquisa em Ciências Biológicas & Departamento de Ciências
Biológicas, Ouro Preto, MG, Brazil
- Universidade de São Paulo, Instituto de Ciências Biomédicas,
Departamento de Microbiologia, São Paulo,SP, Brazil
| | - Livia Luz Souza Nascimento
- Universidade de São Paulo, Instituto de Ciências Biomédicas,
Departamento de Microbiologia, São Paulo,SP, Brazil
| | - Camila Carrião Machado Garcia
- Universidade Federal de Ouro Preto, Instituto de Ciências Exatas e
Biológicas, Núcleo de Pesquisa em Ciências Biológicas & Departamento de Ciências
Biológicas, Ouro Preto, MG, Brazil
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20
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De Majo F, Hegenbarth JC, Rühle F, Bär C, Thum T, de Boer M, Duncker DJ, Schroen B, Armand AS, Stoll M, De Windt LJ. Dichotomy between the transcriptomic landscape of naturally versus accelerated aged murine hearts. Sci Rep 2020; 10:8136. [PMID: 32424227 PMCID: PMC7235007 DOI: 10.1038/s41598-020-65115-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 04/29/2020] [Indexed: 11/12/2022] Open
Abstract
We investigated the transcriptomic landscape of the murine myocardium along the course of natural aging and in three distinct mouse models of premature aging with established aging-related cardiac dysfunction. Genome-wide total RNA-seq was performed and the expression patterns of protein-coding genes and non-coding RNAs were compared between hearts from naturally aging mice, mice with cardiac-specific deficiency of a component of the DNA repair machinery, mice with reduced mitochondrial antioxidant capacity and mice with reduced telomere length. Our results demonstrate that no dramatic changes are evident in the transcriptomes of naturally senescent murine hearts until two years of age, in contrast to the transcriptome of accelerated aged mice. Additionally, these mice displayed model-specific alterations of the expression levels of protein-coding and non-coding genes with hardly any overlap with age-related signatures. Our data demonstrate very limited similarities between the transcriptomes of all our murine aging models and question their reliability to study human cardiovascular senescence.
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Affiliation(s)
- Federica De Majo
- Department of Molecular Genetics, Faculty of Science and Engineering; Maastricht University, Maastricht, The Netherlands.,CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences; Maastricht University, Maastricht, The Netherlands
| | - Jana-Charlotte Hegenbarth
- Department of Molecular Genetics, Faculty of Science and Engineering; Maastricht University, Maastricht, The Netherlands.,CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences; Maastricht University, Maastricht, The Netherlands
| | - Frank Rühle
- Bioinformatics Core Facility, Institute of Molecular Biology (IMB), Mainz, Germany.,Department of Genetic Epidemiology, Institute of Human Genetics, University Hospital Münster, Münster, Germany
| | - Christian Bär
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany
| | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany.,REBIRTH Excellence Cluster, Hannover Medical School, Hannover, Germany
| | - Martine de Boer
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Dirk J Duncker
- Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Blanche Schroen
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences; Maastricht University, Maastricht, The Netherlands
| | - Anne-Sophie Armand
- Institut Necker Enfants Malades, Inserm U1151, Paris, France; Universite Paris Descartes, Sorbonne Paris Cite, Paris, France
| | - Monika Stoll
- Department of Genetic Epidemiology, Institute of Human Genetics, University Hospital Münster, Münster, Germany.,Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
| | - Leon J De Windt
- Department of Molecular Genetics, Faculty of Science and Engineering; Maastricht University, Maastricht, The Netherlands. .,CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences; Maastricht University, Maastricht, The Netherlands.
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21
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Mulderrig L, Garaycoechea JI. XPF-ERCC1 protects liver, kidney and blood homeostasis outside the canonical excision repair pathways. PLoS Genet 2020; 16:e1008555. [PMID: 32271760 PMCID: PMC7144963 DOI: 10.1371/journal.pgen.1008555] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 12/05/2019] [Indexed: 01/02/2023] Open
Abstract
Loss of the XPF-ERCC1 endonuclease causes a dramatic phenotype that results in progeroid features associated with liver, kidney and bone marrow dysfunction. As this nuclease is involved in multiple DNA repair transactions, it is plausible that this severe phenotype results from the simultaneous inactivation of both branches of nucleotide excision repair (GG- and TC-NER) and Fanconi anaemia (FA) inter-strand crosslink (ICL) repair. Here we use genetics in human cells and mice to investigate the interaction between the canonical NER and ICL repair pathways and, subsequently, how their joint inactivation phenotypically overlaps with XPF-ERCC1 deficiency. We find that cells lacking TC-NER are sensitive to crosslinking agents and that there is a genetic interaction between NER and FA in the repair of certain endogenous crosslinking agents. However, joint inactivation of GG-NER, TC-NER and FA crosslink repair cannot account for the hypersensitivity of XPF-deficient cells to classical crosslinking agents nor is it sufficient to explain the extreme phenotype of Ercc1-/- mice. These analyses indicate that XPF-ERCC1 has important functions outside of its central role in NER and FA crosslink repair which are required to prevent endogenous DNA damage. Failure to resolve such damage leads to loss of tissue homeostasis in mice and humans.
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Affiliation(s)
- Lee Mulderrig
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge, United Kingdom
| | - Juan I. Garaycoechea
- Hubrecht Institute–KNAW, University Medical Center Utrecht, Uppsalalaan, CT Utrecht, Netherlands
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22
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Abstract
Nucleotide excision repair (NER) is a highly conserved mechanism to remove helix-distorting DNA lesions. A major substrate for NER is DNA damage caused by environmental genotoxins, most notably ultraviolet radiation. Xeroderma pigmentosum, Cockayne syndrome and trichothiodystrophy are three human disorders caused by inherited defects in NER. The symptoms and severity of these diseases vary dramatically, ranging from profound developmental delay to cancer predisposition and accelerated ageing. All three syndromes include developmental abnormalities, indicating an important role for optimal transcription and for NER in protecting against spontaneous DNA damage during embryonic development. Here, we review the current knowledge on genes that function in NER that also affect embryonic development, in particular the development of a fully functional nervous system.
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Affiliation(s)
- Sofia J Araújo
- Department of Genetics, Microbiology and Statistics, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain.,Institute of Biomedicine, University of Barcelona (IBUB), Barcelona, Spain
| | - Isao Kuraoka
- Department of Chemistry, Faculty of Science, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
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23
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Kawara H, Akahori R, Wakasugi M, Sancar A, Matsunaga T. DCAF7 is required for maintaining the cellular levels of ERCC1-XPF and nucleotide excision repair. Biochem Biophys Res Commun 2019; 519:204-210. [PMID: 31493872 DOI: 10.1016/j.bbrc.2019.08.147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 08/26/2019] [Indexed: 02/03/2023]
Abstract
The ERCC1-XPF heterodimer is a structure-specific endonuclease and plays multiple roles in various DNA repair pathways including nucleotide excision repair and also telomere maintenance. The dimer formation, which is mediated by their C-terminal helix-hairpin-helix regions, is essential for their endonuclease activity as well as the stability of each protein. However, the detailed mechanism of how a cellular level of ERCC1-XPF is regulated still remains elusive. Here, we report the identification of DDB1- and CUL4-associated factor 7 (DCAF7, also known as WDR68/HAN11) as a novel interacting protein of ERCC1-XPF by mass spectrometry after tandem purification. Immunoprecipitation experiments confirmed their interaction and suggested dominant association of DCAF7 with XPF but not ERCC1. Interestingly, siRNA-mediated knockdown of DCAF7, but not DDB1, attenuated the cellular level of ERCC1-XPF, which is partly dependent on proteasome. The depletion of TCP1α, one of components of the molecular chaperon TRiC/CCT known to interact with DCAF7 and promote its folding, also reduced ERCC1-XPF level. Finally, we show that the depletion of DCAF7 causes inefficient repair of UV-induced (6-4) photoproducts, which can be rescued by ectopic overexpression of XPF or ERCC1-XPF. Altogether, our results strongly suggest that DCAF7 is a novel regulator of ERCC1-XPF protein level and cellular nucleotide excision repair activity.
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Affiliation(s)
- Hiroaki Kawara
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan; Department of Biochemistry and Biophysics, School of Medicine, University of North Carolina at Chapel Hill, NC, 27599, USA
| | - Ryo Akahori
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Mitsuo Wakasugi
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Aziz Sancar
- Department of Biochemistry and Biophysics, School of Medicine, University of North Carolina at Chapel Hill, NC, 27599, USA
| | - Tsukasa Matsunaga
- Laboratory of Human Molecular Genetics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan.
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24
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Yousefzadeh MJ, Melos KI, Angelini L, Burd CE, Robbins PD, Niedernhofer LJ. Mouse Models of Accelerated Cellular Senescence. Methods Mol Biol 2019; 1896:203-230. [PMID: 30474850 DOI: 10.1007/978-1-4939-8931-7_17] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Senescent cells accumulate in multiple tissues as virtually all vertebrate organisms age. Senescence is a highly conserved response to many forms of cellular stress intended to block the propagation of damaged cells. Senescent cells have been demonstrated to play a causal role in aging via their senescence-associated secretory phenotype and by impeding tissue regeneration. Depletion of senescent cells either through genetic or pharmacologic methods has been demonstrated to extend murine lifespan and delay the onset of age-related diseases. Measuring the burden and location of senescent cells in vivo remains challenging, as there is no marker unique to senescent cells. Here, we describe multiple methods to detect the presence and extent of cellular senescence in preclinical models, with a special emphasis on murine models of accelerated aging that exhibit a more rapid onset of cellular senescence.
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Affiliation(s)
- Matthew J Yousefzadeh
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Kendra I Melos
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Luise Angelini
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Christin E Burd
- Department of Molecular Genetics, The Ohio State University, Columbus, OH, USA
- Department of Cancer Biology and Genetics, The Ohio State University, Columbus, OH, USA
| | - Paul D Robbins
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN, USA
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL, USA
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism, University of Minnesota, Minneapolis, MN, USA.
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25
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Hill RJ, Crossan GP. DNA cross-link repair safeguards genomic stability during premeiotic germ cell development. Nat Genet 2019; 51:1283-1294. [PMID: 31367016 PMCID: PMC6675612 DOI: 10.1038/s41588-019-0471-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 06/24/2019] [Indexed: 11/09/2022]
Abstract
Germline de novo mutations are the basis of evolutionary diversity but also of genetic disease. However, the molecular origin, mechanisms and timing of germline mutagenesis are not fully understood. Here, we define a fundamental role for DNA interstrand cross-link repair in the germline. This repair process is essential for primordial germ cell (PGC) maturation during embryonic development. Inactivation of cross-link repair leads to genetic instability that is restricted to PGCs within the genital ridge during a narrow temporal window. Having successfully activated the PGC transcriptional program, a potent quality control mechanism detects and drives damaged PGCs into apoptosis. Therefore, these findings define a source of DNA damage and the nature of the subsequent DNA repair response in germ cells, which ensures faithful transmission of the genome between generations.
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Affiliation(s)
- Ross J Hill
- MRC Laboratory of Molecular Biology, Cambridge, UK
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26
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Alyodawi K, Vermeij WP, Omairi S, Kretz O, Hopkinson M, Solagna F, Joch B, Brandt RMC, Barnhoorn S, van Vliet N, Ridwan Y, Essers J, Mitchell R, Morash T, Pasternack A, Ritvos O, Matsakas A, Collins-Hooper H, Huber TB, Hoeijmakers JHJ, Patel K. Compression of morbidity in a progeroid mouse model through the attenuation of myostatin/activin signalling. J Cachexia Sarcopenia Muscle 2019; 10:662-686. [PMID: 30916493 PMCID: PMC6596402 DOI: 10.1002/jcsm.12404] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 12/17/2018] [Accepted: 01/09/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND One of the principles underpinning our understanding of ageing is that DNA damage induces a stress response that shifts cellular resources from growth towards maintenance. A contrasting and seemingly irreconcilable view is that prompting growth of, for example, skeletal muscle confers systemic benefit. METHODS To investigate the robustness of these axioms, we induced muscle growth in a murine progeroid model through the use of activin receptor IIB ligand trap that dampens myostatin/activin signalling. Progeric mice were then investigated for neurological and muscle function as well as cellular profiling of the muscle, kidney, liver, and bone. RESULTS We show that muscle of Ercc1Δ/- progeroid mice undergoes severe wasting (decreases in hind limb muscle mass of 40-60% compared with normal mass), which is largely protected by attenuating myostatin/activin signalling using soluble activin receptor type IIB (sActRIIB) (increase of 30-62% compared with untreated progeric). sActRIIB-treated progeroid mice maintained muscle activity (distance travel per hour: 5.6 m in untreated mice vs. 13.7 m in treated) and increased specific force (19.3 mN/mg in untreated vs. 24.0 mN/mg in treated). sActRIIb treatment of progeroid mice also improved satellite cell function especially their ability to proliferate on their native substrate (2.5 cells per fibre in untreated progeroids vs. 5.4 in sActRIIB-treated progeroids after 72 h in culture). Besides direct protective effects on muscle, we show systemic improvements to other organs including the structure and function of the kidneys; there was a major decrease in the protein content in urine (albumin/creatinine of 4.9 sActRIIB treated vs. 15.7 in untreated), which is likely to be a result in the normalization of podocyte foot processes, which constitute the filtration apparatus (glomerular basement membrane thickness reduced from 224 to 177 nm following sActRIIB treatment). Treatment of the progeric mice with the activin ligand trap protected against the development of liver abnormalities including polyploidy (18.3% untreated vs. 8.1% treated) and osteoporosis (trabecular bone volume; 0.30 mm3 in treated progeroid mice vs. 0.14 mm3 in untreated mice, cortical bone volume; 0.30 mm3 in treated progeroid mice vs. 0.22 mm3 in untreated mice). The onset of neurological abnormalities was delayed (by ~5 weeks) and their severity reduced, overall sustaining health without affecting lifespan. CONCLUSIONS This study questions the notion that tissue growth and maintaining tissue function during ageing are incompatible mechanisms. It highlights the need for future investigations to assess the potential of therapies based on myostatin/activin blockade to compress morbidity and promote healthy ageing.
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Affiliation(s)
- Khalid Alyodawi
- School of Biological Sciences, University of Reading, Reading, UK.,College of Medicine, Wasit University, Kut, Iraq
| | - Wilbert P Vermeij
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Princess Máxima Center, Oncode Institute, Utrecht, The Netherlands
| | - Saleh Omairi
- School of Biological Sciences, University of Reading, Reading, UK.,College of Medicine, Wasit University, Kut, Iraq
| | - Oliver Kretz
- Medizinische Klinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.,Department of Medicine IV, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Department of Neuroanatomy, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | | | - Francesca Solagna
- Department of Medicine IV, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Barbara Joch
- Department of Neuroanatomy, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Renata M C Brandt
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Sander Barnhoorn
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Nicole van Vliet
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Yanto Ridwan
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Jeroen Essers
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Radiation Oncology, Erasmus MC, Rotterdam, The Netherlands.,Department of Vascular Surgery, Erasmus MC, Rotterdam, The Netherlands
| | - Robert Mitchell
- School of Biological Sciences, University of Reading, Reading, UK
| | - Taryn Morash
- School of Biological Sciences, University of Reading, Reading, UK
| | - Arja Pasternack
- Department of Bacteriology and Immunology, University of Helsinki, Helsinki, Finland
| | - Olli Ritvos
- Department of Bacteriology and Immunology, University of Helsinki, Helsinki, Finland.,Institute of Molecular Medicine, University of Health Science Center, Houston, TX, USA
| | | | | | - Tobias B Huber
- Medizinische Klinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.,Department of Medicine IV, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,BIOSS Center for Biological Signalling Studies, University of Freiburg, Freiburg, Germany.,Freiburg Institute for Advanced Studies and Center for Biological System Analysis, Freiburg, Germany
| | - Jan H J Hoeijmakers
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.,Princess Máxima Center, Oncode Institute, Utrecht, The Netherlands.,CECAD Forschungszentrum, Universität zu Köln, Cologne, Germany
| | - Ketan Patel
- School of Biological Sciences, University of Reading, Reading, UK.,Freiburg Institute for Advanced Studies and Center for Biological System Analysis, Freiburg, Germany
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27
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Guyon-Debast A, Rossetti P, Charlot F, Epert A, Neuhaus JM, Schaefer DG, Nogué F. The XPF-ERCC1 Complex Is Essential for Genome Stability and Is Involved in the Mechanism of Gene Targeting in Physcomitrella patens. FRONTIERS IN PLANT SCIENCE 2019; 10:588. [PMID: 31143199 PMCID: PMC6521618 DOI: 10.3389/fpls.2019.00588] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 04/18/2019] [Indexed: 06/09/2023]
Abstract
The XPF-ERCC1 complex, a highly conserved structure-specific endonuclease, functions in multiple DNA repair pathways that are pivotal for maintaining genome stability, including nucleotide excision repair, interstrand crosslink repair, and homologous recombination. XPF-ERCC1 incises double-stranded DNA at double-strand/single-strand junctions, making it an ideal enzyme for processing DNA structures that contain partially unwound strands. Here, we have examined the role of the XPF-ERCC1 complex in the model bryophyte Physcomitrella patens which exhibits uniquely high gene targeting frequencies. We undertook targeted knockout of the Physcomitrella ERCC1 and XPF genes. Mutant analysis shows that the endonuclease complex is essential for resistance to UV-B and to the alkylating agent MMS, and contributes to the maintenance of genome integrity but is also involved in gene targeting in this model plant. Using different constructs we determine whether the function of the XPF-ERCC1 endonuclease complex in gene targeting was removal of 3' non-homologous termini, similar to SSA, or processing of looped-out heteroduplex intermediates. Interestingly, our data suggest a role of the endonuclease in both pathways and have implications for the mechanism of targeted gene replacement in plants and its specificities compared to yeast and mammalian cells.
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Affiliation(s)
- Anouchka Guyon-Debast
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, Versailles, France
| | - Patricia Rossetti
- Laboratoire de Biologie Moléculaire et Cellulaire, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland
| | - Florence Charlot
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, Versailles, France
| | - Aline Epert
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, Versailles, France
| | - Jean-Marc Neuhaus
- Laboratoire de Biologie Moléculaire et Cellulaire, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland
| | - Didier G. Schaefer
- Laboratoire de Biologie Moléculaire et Cellulaire, Institut de Biologie, Université de Neuchâtel, Neuchâtel, Switzerland
| | - Fabien Nogué
- Institut Jean-Pierre Bourgin, INRA, AgroParisTech, CNRS, Université Paris-Saclay, Versailles, France
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28
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Farr JN, Almeida M. The Spectrum of Fundamental Basic Science Discoveries Contributing to Organismal Aging. J Bone Miner Res 2018; 33:1568-1584. [PMID: 30075061 PMCID: PMC6327947 DOI: 10.1002/jbmr.3564] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/25/2018] [Accepted: 07/27/2018] [Indexed: 12/22/2022]
Abstract
Aging research has undergone unprecedented advances at an accelerating rate in recent years, leading to excitement in the field as well as opportunities for imagination and innovation. Novel insights indicate that, rather than resulting from a preprogrammed series of events, the aging process is predominantly driven by fundamental non-adaptive mechanisms that are interconnected, linked, and overlap. To varying degrees, these mechanisms also manifest with aging in bone where they cause skeletal fragility. Because these mechanisms of aging can be manipulated, it might be possible to slow, delay, or alleviate multiple age-related diseases and their complications by targeting conserved genetic signaling pathways, controlled functional networks, and basic biochemical processes. Indeed, findings in various mammalian species suggest that targeting fundamental aging mechanisms (eg, via either loss-of-function or gain-of-function mutations or administration of pharmacological therapies) can extend healthspan; ie, the healthy period of life free of chronic diseases. In this review, we summarize the evidence supporting the role of the spectrum of fundamental basic science discoveries contributing to organismal aging, with emphasis on mammalian studies and in particular aging mechanisms in bone that drive skeletal fragility. These mechanisms or aging hallmarks include: genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, deregulated nutrient sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, and altered intercellular communication. Because these mechanisms are linked, interventions that ameliorate one hallmark can in theory ameliorate others. In the field of bone and mineral research, current challenges include defining the relative contributions of each aging hallmark to the natural skeletal aging process, better understanding the complex interconnections among the hallmarks, and identifying the most effective therapeutic strategies to safely target multiple hallmarks. Based on their interconnections, it may be feasible to simultaneously interfere with several fundamental aging mechanisms to alleviate a wide spectrum of age-related chronic diseases, including osteoporosis. © 2018 American Society for Bone and Mineral Research.
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Affiliation(s)
- Joshua N Farr
- Division of Endocrinology and Metabolism and Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Maria Almeida
- Division of Endocrinology and Metabolism, Center for Osteoporosis and Metabolic Bone Diseases, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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29
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Hurtado AM, Luengo-Gil G, Chen-Liang TH, Amaral F, Batta K, Palomo L, Lumbreras E, Przychodzen B, Caparros E, Amigo ML, Dıez-Campelo M, Zamora L, Salido Fierrez EJ, Maciejewski JP, Ortuño FJ, Vicente V, Del Canizo M, Sole F, Ferrer-Marin F, Wiseman DH, Jerez A. Transcriptomic rationale for synthetic lethality-targeting ERCC1 and CDKN1A in chronic myelomonocytic leukaemia. Br J Haematol 2018; 182:373-383. [PMID: 29797327 DOI: 10.1111/bjh.15408] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 04/09/2018] [Indexed: 12/12/2022]
Abstract
Despite the absence of mutations in the DNA repair machinery in myeloid malignancies, the advent of high-throughput sequencing and discovery of splicing and epigenetics defects in chronic myelomonocytic leukaemia (CMML) prompted us to revisit a pathogenic role for genes involved in DNA damage response. We screened for misregulated DNA repair genes by enhanced RNA-sequencing on bone marrow from a discovery cohort of 27 CMML patients and 9 controls. We validated 4 differentially expressed candidates in CMML CD34+ bone marrow selected cells and in an independent cohort of 74 CMML patients, mutationally contextualized by targeted sequencing, and assessed their transcriptional behavior in 70 myelodysplastic syndrome, 66 acute myeloid leukaemia and 25 chronic myeloid leukaemia cases. We found BAP1 and PARP1 down-regulation to be specific to CMML compared with other related disorders. Chromatin-regulator mutated cases showed decreased BAP1 dosage. We validated a significant over-expression of the double strand break-fidelity genes CDKN1A and ERCC1, independent of promoter methylation and associated with chemorefractoriness. In addition, patients bearing mutations in the splicing component SRSF2 displayed numerous aberrant splicing events in DNA repair genes, with a quantitative predominance in the single strand break pathway. Our results highlight potential targets in this disease, which currently has few therapeutic options.
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Affiliation(s)
- Ana M Hurtado
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
| | - Gines Luengo-Gil
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
| | - Tzu H Chen-Liang
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
| | - Fabio Amaral
- Leukaemia Biology Laboratory, Cancer Research UK, Manchester Institute, University of Manchester, Manchester, UK
| | - Kiran Batta
- Division of Cancer Sciences, Cancer Research UK, Manchester Institute, University of Manchester, Manchester, UK
| | - Laura Palomo
- Josep Carreras Leukaemia- Research Institute, ICO-Hospital Germans Trias i Pujol, Badalona, Spain
| | - Eva Lumbreras
- Department of Haematology, Hospital Universitario de Salamanca, Salamanca, Spain
| | - Bartlomiej Przychodzen
- Department of Translational Hematology and Oncology Research, Cleveland Clinic, Cleveland, USA
| | - Eva Caparros
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
| | - Marıa L Amigo
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
| | - Maria Dıez-Campelo
- Department of Haematology, Hospital Universitario de Salamanca, Salamanca, Spain
| | - Lurdes Zamora
- Josep Carreras Leukaemia- Research Institute, ICO-Hospital Germans Trias i Pujol, Badalona, Spain
| | | | - Jaroslaw P Maciejewski
- Department of Translational Hematology and Oncology Research, Cleveland Clinic, Cleveland, USA
| | | | - Vicente Vicente
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
| | - Marıa Del Canizo
- Department of Haematology, Hospital Universitario de Salamanca, Salamanca, Spain
| | - Francesc Sole
- Josep Carreras Leukaemia- Research Institute, ICO-Hospital Germans Trias i Pujol, Badalona, Spain
| | | | - Daniel H Wiseman
- Leukaemia Biology Laboratory, Cancer Research UK, Manchester Institute, University of Manchester, Manchester, UK
| | - Andres Jerez
- Haematology Department, Hospital Morales Meseguer, IMIB, Murcia, Spain
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30
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XPF plays an indispensable role in relieving silver nanoparticle induced DNA damage stress in human cells. Toxicol Lett 2018; 288:44-54. [DOI: 10.1016/j.toxlet.2018.02.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/09/2018] [Accepted: 02/13/2018] [Indexed: 11/23/2022]
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31
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Deng XD, Gao Q, Zhang W, Zhang B, Ma Y, Zhang LX, Muer C, Xie Y, Liu Y. The age-related expression decline of ERCC1 and XPF for forensic age estimation: A preliminary study. J Forensic Leg Med 2017; 49:15-19. [DOI: 10.1016/j.jflm.2017.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 03/29/2017] [Accepted: 05/01/2017] [Indexed: 01/28/2023]
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32
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Chatzinikolaou G, Apostolou Z, Aid-Pavlidis T, Ioannidou A, Karakasilioti I, Papadopoulos GL, Aivaliotis M, Tsekrekou M, Strouboulis J, Kosteas T, Garinis GA. ERCC1-XPF cooperates with CTCF and cohesin to facilitate the developmental silencing of imprinted genes. Nat Cell Biol 2017; 19:421-432. [PMID: 28368372 DOI: 10.1038/ncb3499] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 02/24/2017] [Indexed: 12/15/2022]
Abstract
Inborn defects in DNA repair are associated with complex developmental disorders whose causal mechanisms are poorly understood. Using an in vivo biotinylation tagging approach in mice, we show that the nucleotide excision repair (NER) structure-specific endonuclease ERCC1-XPF complex interacts with the insulator binding protein CTCF, the cohesin subunits SMC1A and SMC3 and with MBD2; the factors co-localize with ATRX at the promoters and control regions (ICRs) of imprinted genes during postnatal hepatic development. Loss of Ercc1 or exposure to MMC triggers the localization of CTCF to heterochromatin, the dissociation of the CTCF-cohesin complex and ATRX from promoters and ICRs, altered histone marks and the aberrant developmental expression of imprinted genes without altering DNA methylation. We propose that ERCC1-XPF cooperates with CTCF and cohesin to facilitate the developmental silencing of imprinted genes and that persistent DNA damage triggers chromatin changes that affect gene expression programs associated with NER disorders.
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Affiliation(s)
- Georgia Chatzinikolaou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
| | - Zivkos Apostolou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
- Department of Biology, University of Crete, Vassilika Vouton, GR71409 Heraklion, Crete, Greece
| | - Tamara Aid-Pavlidis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
| | - Anna Ioannidou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
- Department of Biology, University of Crete, Vassilika Vouton, GR71409 Heraklion, Crete, Greece
| | - Ismene Karakasilioti
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
| | - Giorgio L Papadopoulos
- Department of Biology, University of Crete, Vassilika Vouton, GR71409 Heraklion, Crete, Greece
- Division of Molecular Oncology, Biomedical Sciences Research Center 'Alexander Fleming', GR 16672 Vari, Greece
| | - Michalis Aivaliotis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
| | - Maria Tsekrekou
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
- Department of Biology, University of Crete, Vassilika Vouton, GR71409 Heraklion, Crete, Greece
| | - John Strouboulis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
- Division of Molecular Oncology, Biomedical Sciences Research Center 'Alexander Fleming', GR 16672 Vari, Greece
| | - Theodore Kosteas
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
| | - George A Garinis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Nikolaou Plastira 100, 70013 Heraklion, Crete, Greece
- Department of Biology, University of Crete, Vassilika Vouton, GR71409 Heraklion, Crete, Greece
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33
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Biological and predictive role of ERCC1 polymorphisms in cancer. Crit Rev Oncol Hematol 2017; 111:133-143. [PMID: 28259288 DOI: 10.1016/j.critrevonc.2017.01.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 01/14/2017] [Accepted: 01/24/2017] [Indexed: 12/22/2022] Open
Abstract
Excision repair cross-complementation group 1 (ERCC1) is a key component in DNA repair mechanisms and may influence the tumor DNA-targeting effect of the chemotherapeutic agent oxaliplatin. Germline ERCC1 polymorphisms may alter the protein expression and published data on their predictive and prognostic value have so far been contradictory. In the present article we review available evidence on the clinical role and utility of ERCC1 polymorphisms and, in the absence of a 'perfect' trial, what we call the 'sliding doors' trial, we present the data of ERCC1 genotyping in our local patient population. We found a useful predictive value for oxaliplatin-induced risk of anemia.
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34
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Das D, Faridounnia M, Kovacic L, Kaptein R, Boelens R, Folkers GE. Single-stranded DNA Binding by the Helix-Hairpin-Helix Domain of XPF Protein Contributes to the Substrate Specificity of the ERCC1-XPF Protein Complex. J Biol Chem 2016; 292:2842-2853. [PMID: 28028171 DOI: 10.1074/jbc.m116.747857] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 12/24/2016] [Indexed: 11/06/2022] Open
Abstract
The nucleotide excision repair protein complex ERCC1-XPF is required for incision of DNA upstream of DNA damage. Functional studies have provided insights into the binding of ERCC1-XPF to various DNA substrates. However, because no structure for the ERCC1-XPF-DNA complex has been determined, the mechanism of substrate recognition remains elusive. Here we biochemically characterize the substrate preferences of the helix-hairpin-helix (HhH) domains of XPF and ERCC-XPF and show that the binding to single-stranded DNA (ssDNA)/dsDNA junctions is dependent on joint binding to the DNA binding domain of ERCC1 and XPF. We reveal that the homodimeric XPF is able to bind various ssDNA sequences but with a clear preference for guanine-containing substrates. NMR titration experiments and in vitro DNA binding assays also show that, within the heterodimeric ERCC1-XPF complex, XPF specifically recognizes ssDNA. On the other hand, the HhH domain of ERCC1 preferentially binds dsDNA through the hairpin region. The two separate non-overlapping DNA binding domains in the ERCC1-XPF heterodimer jointly bind to an ssDNA/dsDNA substrate and, thereby, at least partially dictate the incision position during damage removal. Based on structural models, NMR titrations, DNA-binding studies, site-directed mutagenesis, charge distribution, and sequence conservation, we propose that the HhH domain of ERCC1 binds to dsDNA upstream of the damage, and XPF binds to the non-damaged strand within a repair bubble.
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Affiliation(s)
- Devashish Das
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands and
| | - Maryam Faridounnia
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands and
| | - Lidija Kovacic
- the Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Robert Kaptein
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands and
| | - Rolf Boelens
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands and
| | - Gert E Folkers
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands and
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35
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Vermeij WP, Dollé MET, Reiling E, Jaarsma D, Payan-Gomez C, Bombardieri CR, Wu H, Roks AJM, Botter SM, van der Eerden BC, Youssef SA, Kuiper RV, Nagarajah B, van Oostrom CT, Brandt RMC, Barnhoorn S, Imholz S, Pennings JLA, de Bruin A, Gyenis Á, Pothof J, Vijg J, van Steeg H, Hoeijmakers JHJ. Restricted diet delays accelerated ageing and genomic stress in DNA-repair-deficient mice. Nature 2016; 537:427-431. [PMID: 27556946 PMCID: PMC5161687 DOI: 10.1038/nature19329] [Citation(s) in RCA: 201] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Accepted: 07/25/2016] [Indexed: 12/27/2022]
Abstract
Mice deficient in the DNA excision-repair gene Ercc1 (Ercc1∆/-) show numerous accelerated ageing features that limit their lifespan to 4-6 months. They also exhibit a 'survival response', which suppresses growth and enhances cellular maintenance. Such a response resembles the anti-ageing response induced by dietary restriction (also known as caloric restriction). Here we report that a dietary restriction of 30% tripled the median and maximal remaining lifespans of these progeroid mice, strongly retarding numerous aspects of accelerated ageing. Mice undergoing dietary restriction retained 50% more neurons and maintained full motor function far beyond the lifespan of mice fed ad libitum. Other DNA-repair-deficient, progeroid Xpg-/- (also known as Ercc5-/-) mice, a model of Cockayne syndrome, responded similarly. The dietary restriction response in Ercc1∆/- mice closely resembled the effects of dietary restriction in wild-type animals. Notably, liver tissue from Ercc1∆/- mice fed ad libitum showed preferential extinction of the expression of long genes, a phenomenon we also observed in several tissues ageing normally. This is consistent with the accumulation of stochastic, transcription-blocking lesions that affect long genes more than short ones. Dietary restriction largely prevented this declining transcriptional output and reduced the number of γH2AX DNA damage foci, indicating that dietary restriction preserves genome function by alleviating DNA damage. Our findings establish the Ercc1∆/- mouse as a powerful model organism for health-sustaining interventions, reveal potential for reducing endogenous DNA damage, facilitate a better understanding of the molecular mechanism of dietary restriction and suggest a role for counterintuitive dietary-restriction-like therapy for human progeroid genome instability syndromes and possibly neurodegeneration in general.
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Affiliation(s)
- W P Vermeij
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - M E T Dollé
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - E Reiling
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands.,Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - D Jaarsma
- Department of Neuroscience, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - C Payan-Gomez
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands.,Facultad de Ciencias Naturales y Matemáticas, Universidad del Rosario, Carrera 24, 63C-69 Bogotá, Colombia
| | - C R Bombardieri
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - H Wu
- Department of Internal Medicine, Division of Vascular Medicine and Pharmacology, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - A J M Roks
- Department of Internal Medicine, Division of Vascular Medicine and Pharmacology, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - S M Botter
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands.,Laboratory for Orthopedic Research, Balgrist University Hospital, Forchstrasse 340, 8008, Zürich, Switzerland
| | - B C van der Eerden
- Department of Internal Medicine, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - S A Youssef
- Dutch Molecular Pathology Center, Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, PO Box 80125, 3508 TC Utrecht, The Netherlands
| | - R V Kuiper
- Dutch Molecular Pathology Center, Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, PO Box 80125, 3508 TC Utrecht, The Netherlands
| | - B Nagarajah
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - C T van Oostrom
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - R M C Brandt
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - S Barnhoorn
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - S Imholz
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - J L A Pennings
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands
| | - A de Bruin
- Dutch Molecular Pathology Center, Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, PO Box 80125, 3508 TC Utrecht, The Netherlands.,Department of Pediatrics, Division Molecular Genetics, University Medical Center Groningen, PO Box 30001, 9700 RB Groningen, The Netherlands
| | - Á Gyenis
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - J Pothof
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - J Vijg
- Department of Genetics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
| | - H van Steeg
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands.,Department of Human Genetics, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands
| | - J H J Hoeijmakers
- Department of Molecular Genetics, Erasmus University Medical Center Rotterdam, PO Box 2040, 3000 CA Rotterdam, The Netherlands.,CECAD Forschungszentrum, Universität zu Köln, Joseph-Stelzmann-Straße 26, 50931 Köln, Germany
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Jokić M, Vlašić I, Rinneburger M, Klümper N, Spiro J, Vogel W, Offermann A, Kümpers C, Fritz C, Schmitt A, Riabinska A, Wittersheim M, Michels S, Ozretić L, Florin A, Welcker D, Akyuz MD, Nowak M, Erkel M, Wolf J, Büttner R, Schumacher B, Thomale J, Persigehl T, Maintz D, Perner S, Reinhardt HC. Ercc1 Deficiency Promotes Tumorigenesis and Increases Cisplatin Sensitivity in a Tp53 Context-Specific Manner. Mol Cancer Res 2016; 14:1110-1123. [PMID: 27514406 DOI: 10.1158/1541-7786.mcr-16-0094] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 06/18/2016] [Accepted: 07/06/2016] [Indexed: 11/16/2022]
Abstract
KRAS-mutant lung adenocarcinoma is among the most common cancer entities and, in advanced stages, typically displays poor prognosis due to acquired resistance against chemotherapy, which is still largely based on cisplatin-containing combination regimens. Mechanisms of cisplatin resistance have been extensively investigated, and ERCC1 has emerged as a key player due to its central role in the repair of cisplatin-induced DNA lesions. However, clinical data have not unequivocally confirmed ERCC1 status as a predictor of the response to cisplatin treatment. Therefore, we employed an autochthonous mouse model of Kras-driven lung adenocarcinoma resembling human lung adenocarcinoma to investigate the role of Ercc1 in the response to cisplatin treatment. Our data show that Ercc1 deficiency in Tp53-deficient murine lung adenocarcinoma induces a more aggressive tumor phenotype that displays enhanced sensitivity to cisplatin treatment. Furthermore, tumors that relapsed after cisplatin treatment in our model develop a robust etoposide sensitivity that is independent of the Ercc1 status and depends solely on previous cisplatin exposure. Our results provide a solid rationale for further investigation of the possibility of preselection of lung adenocarcinoma patients according to the functional ERCC1- and mutational TP53 status, where functionally ERCC1-incompetent patients might benefit from sequential cisplatin and etoposide chemotherapy. IMPLICATIONS This study provides a solid rationale for the stratification of lung adenocarcinoma patients according to the functional ERCC1- and mutational TP53 status, where functionally ERCC1-incompetent patients could benefit from sequential cisplatin and etoposide chemotherapy. Mol Cancer Res; 14(11); 1110-23. ©2016 AACR.
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Affiliation(s)
- Mladen Jokić
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany. .,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
| | - Ignacija Vlašić
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
| | - Miriam Rinneburger
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
| | - Niklas Klümper
- Pathology of the University Medical Center Schleswig-Holstein, Campus Luebeck and the Research Center Borstel, Leibniz Center for Medicine and Biosciences, 23538 Luebeck and 23845 Borstel, Germany
| | - Judith Spiro
- Department of Radiology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Wenzel Vogel
- Pathology of the University Medical Center Schleswig-Holstein, Campus Luebeck and the Research Center Borstel, Leibniz Center for Medicine and Biosciences, 23538 Luebeck and 23845 Borstel, Germany
| | - Anne Offermann
- Pathology of the University Medical Center Schleswig-Holstein, Campus Luebeck and the Research Center Borstel, Leibniz Center for Medicine and Biosciences, 23538 Luebeck and 23845 Borstel, Germany
| | - Christiane Kümpers
- Pathology of the University Medical Center Schleswig-Holstein, Campus Luebeck and the Research Center Borstel, Leibniz Center for Medicine and Biosciences, 23538 Luebeck and 23845 Borstel, Germany
| | - Christian Fritz
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
| | - Anna Schmitt
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
| | - Arina Riabinska
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
| | - Maike Wittersheim
- Institute of Pathology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Sebastian Michels
- Department I of Internal Medicine, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Luka Ozretić
- Institute of Pathology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Alexandra Florin
- Institute of Pathology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Daniela Welcker
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Department II of Internal Medicine, University Hospital Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Mehmet Deniz Akyuz
- Institute for genome stability in ageing and disease, CECAD Research Center, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | - Michael Nowak
- Institute of Pathology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - Martin Erkel
- Institute for Cell Biology, University Hospital Essen, Hufelandstraβe 55, 45122, Essen, Germany
| | - Jürgen Wolf
- Department I of Internal Medicine, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Reinhard Büttner
- Institute of Pathology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Björn Schumacher
- Institute for genome stability in ageing and disease, CECAD Research Center, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | - Jürgen Thomale
- Institute for Cell Biology, University Hospital Essen, Hufelandstraβe 55, 45122, Essen, Germany
| | - Thorsten Persigehl
- Department of Radiology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - David Maintz
- Department of Radiology, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Sven Perner
- Pathology of the University Medical Center Schleswig-Holstein, Campus Luebeck and the Research Center Borstel, Leibniz Center for Medicine and Biosciences, 23538 Luebeck and 23845 Borstel, Germany
| | - Hans Christian Reinhardt
- Department I of Internal Medicine, University Hospital of Cologne, Weyertal 115B, 50931, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases, University of Cologne, Weyertal 115B, 50931, Cologne, Germany
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Lachaud C, Slean M, Marchesi F, Lock C, Odell E, Castor D, Toth R, Rouse J. Karyomegalic interstitial nephritis and DNA damage-induced polyploidy in Fan1 nuclease-defective knock-in mice. Genes Dev 2016; 30:639-44. [PMID: 26980188 PMCID: PMC4803050 DOI: 10.1101/gad.276287.115] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In this study, Lachaud et al. investigated the cause of karyomegalic interstitial nephritis (KIN), a form of chronic kidney disease characterized by karyomegaly. They demonstrate that mice lacking Fan1 nuclease activity recapitulate the symptoms of KIN, providing new insights into how Fan1 nuclease activity contributes to the KIN phenotype. The Fan1 endonuclease is required for repair of DNA interstrand cross-links (ICLs). Mutations in human Fan1 cause karyomegalic interstitial nephritis (KIN), but it is unclear whether defective ICL repair is responsible or whether Fan1 nuclease activity is relevant. We show that Fan1 nuclease-defective (Fan1nd/nd) mice develop a mild form of KIN. The karyomegalic nuclei from Fan1nd/nd kidneys are polyploid, and fibroblasts from Fan1nd/nd mice become polyploid upon ICL induction, suggesting that defective ICL repair causes karyomegaly. Thus, Fan1 nuclease activity promotes ICL repair in a manner that controls ploidy, a role that we show is not shared by the Fanconi anemia pathway or the Slx4–Slx1 nuclease also involved in ICL repair.
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Affiliation(s)
- Christophe Lachaud
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, Sir James Black Centre, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Meghan Slean
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, Sir James Black Centre, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Francesco Marchesi
- School of Veterinary Medicine, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow G61 1QH, United Kingdom
| | - Claire Lock
- Department of Head and Neck Pathology, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Edward Odell
- Department of Head and Neck Pathology, Guy's Hospital, London SE1 9RT, United Kingdom
| | - Dennis Castor
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, Sir James Black Centre, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Rachel Toth
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, Sir James Black Centre, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - John Rouse
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, Sir James Black Centre, University of Dundee, Dundee DD1 5EH, United Kingdom
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38
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Avila AI, Illing A, Becker F, Maerz LD, Morita Y, Philipp M, Burkhalter MD. Xpg limits the expansion of haematopoietic stem and progenitor cells after ionising radiation. Nucleic Acids Res 2016; 44:6252-61. [PMID: 27137888 PMCID: PMC5291257 DOI: 10.1093/nar/gkw376] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 04/25/2016] [Indexed: 12/17/2022] Open
Abstract
Reduced capacity of genome maintenance represents a problem for any organism, potentially causing premature death, carcinogenesis, or accelerated ageing. Strikingly though, loss of certain genome stability factors can be beneficial, especially for the maintenance of tissue stem cells of the intestine and the haematopoietic system. We therefore screened for genome stability factors negatively impacting maintenance of haematopoietic stem cells (HSC) in the context of ionising radiation (IR). We found that in vivo knock down of Xeroderma pigmentosum, complementation group G (Xpg) causes elevation of HSC numbers after IR treatment, while numbers of haematopoietic progenitors are elevated to a lesser extent. IR rapidly induces Xpg both on mRNA and on protein level. Prevention of this induction does not influence activation of the checkpoint cascade, yet attenuates late checkpoint steps such as induction of p21 and Noxa. This causes a leaky cell cycle arrest and lower levels of apoptosis, both contributing to increased colony formation and transformation rates. Xpg thus helps to adequately induce DNA damage responses after IR, thereby keeping the expansion of damaged cells under control. This represents a new function of Xpg in the response to IR, in addition to its well-characterized role in nucleotide excision repair.
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Affiliation(s)
- Alush I Avila
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745 Jena, Germany
| | - Anett Illing
- Department of Internal Medicine I, Ulm University, 89081 Ulm, Germany
| | - Friedrich Becker
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745 Jena, Germany
| | - Lars D Maerz
- Institute for Biochemistry and Molecular Biology, Ulm University, 89081 Ulm, Germany
| | - Yohei Morita
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745 Jena, Germany
| | - Melanie Philipp
- Institute for Biochemistry and Molecular Biology, Ulm University, 89081 Ulm, Germany
| | - Martin D Burkhalter
- Leibniz Institute on Aging, Fritz Lipmann Institute, 07745 Jena, Germany Institute for Biochemistry and Molecular Biology, Ulm University, 89081 Ulm, Germany
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Andriani GA, Faggioli F, Baker D, Dollé MET, Sellers RS, Hébert JM, Van Steeg H, Hoeijmakers J, Vijg J, Montagna C. Whole chromosome aneuploidy in the brain of Bub1bH/H and Ercc1-/Δ7 mice. Hum Mol Genet 2016; 25:755-65. [PMID: 26681803 PMCID: PMC4743693 DOI: 10.1093/hmg/ddv612] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2015] [Revised: 12/07/2015] [Accepted: 12/14/2015] [Indexed: 12/16/2022] Open
Abstract
High levels of aneuploidy have been observed in disease-free tissues, including post-mitotic tissues such as the brain. Using a quantitative interphase-fluorescence in situ hybridization approach, we previously reported a chromosome-specific, age-related increase in aneuploidy in the mouse cerebral cortex. Increased aneuploidy has been associated with defects in DNA repair and the spindle assembly checkpoint, which in turn can lead to premature aging. Here, we quantified the frequency of aneuploidy of three autosomes in the cerebral cortex and cerebellum of adult and developing brain of Bub1b(H/H) mice, which have a faulty mitotic checkpoint, and Ercc1(-/Δ7) mice, defective in nucleotide excision repair and inter-strand cross-link repair. Surprisingly, the level of aneuploidy in the brain of these murine models of accelerated aging remains as low as in the young adult brains from control animals, i.e. <1% in the cerebral cortex and ∼0.1% in the cerebellum. Therefore, based on aneuploidy, these adult mice with reduced life span and accelerated progeroid features are indistinguishable from age-matched, normal controls. Yet, during embryonic development, we found that Bub1b(H/H), but not Ercc1(-/Δ7) mice, have a significantly higher frequency of aneuploid nuclei relative to wild-type controls in the cerebral cortex, reaching a frequency as high as 40.3% for each chromosome tested. Aneuploid cells in these mutant mice are likely eliminated early in development through apoptosis and/or immune-mediated clearance mechanisms, which would explain the low levels of aneuploidy during adulthood in the cerebral cortex of Bub1b(H/H) mice. These results shed light on the mechanisms of removal of aneuploidy cells in vivo.
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Affiliation(s)
| | | | - Darren Baker
- Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Martijn E T Dollé
- National Institute of Public Health and the Environment, Bilthoven, The Netherlands and
| | | | - Jean M Hébert
- Department of Genetics, Dominick P. Purpura Department of Neuroscience
| | - Harry Van Steeg
- National Institute of Public Health and the Environment, Bilthoven, The Netherlands and
| | - Jan Hoeijmakers
- MGC Department of Genetics, CBG Cancer Genomics Center, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Jan Vijg
- Department of Genetics, Department Ophthalmology and Visual Science and Department of Obstetrics and Gynecology and Women's Health, Albert Einstein College of Medicine, Yeshiva University, Bronx, NY 10461, USA
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Mitchell SJ, Scheibye-Knudsen M, Longo DL, de Cabo R. Animal models of aging research: implications for human aging and age-related diseases. Annu Rev Anim Biosci 2016; 3:283-303. [PMID: 25689319 DOI: 10.1146/annurev-animal-022114-110829] [Citation(s) in RCA: 181] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Aging is characterized by an increasing morbidity and functional decline that eventually results in the death of an organism. Aging is the largest risk factor for numerous human diseases, and understanding the aging process may thereby facilitate the development of new treatments for age-associated diseases. The use of humans in aging research is complicated by many factors, including ethical issues; environmental and social factors; and perhaps most importantly, their long natural life span. Although cellular models of human disease provide valuable mechanistic information, they are limited in that they may not replicate the in vivo biology. Almost all organisms age, and thus animal models can be useful for studying aging. Herein, we review some of the major models currently used in aging research and discuss their benefits and pitfalls, including interventions known to extend life span and health span. Finally, we conclude by discussing the future of animal models in aging research.
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41
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Overcash JM, Aryan A, Myles KM, Adelman ZN. Understanding the DNA damage response in order to achieve desired gene editing outcomes in mosquitoes. Chromosome Res 2015; 23:31-42. [PMID: 25596822 DOI: 10.1007/s10577-014-9450-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mosquitoes are high-impact disease vectors with the capacity to transmit pathogenic agents that cause diseases such as malaria, yellow fever, chikungunya, and dengue. Continued growth in knowledge of genetic, molecular, and physiological pathways in mosquitoes allows for the development of novel control methods and for the continued optimization of existing ones. The emergence of site-specific nucleases as genomic engineering tools promises to expedite research of crucial biological pathways in these disease vectors. The utilization of these nucleases in a more precise and efficient manner is dependent upon knowledge and manipulation of the DNA repair pathways utilized by the mosquito. While progress has been made in deciphering DNA repair pathways in some model systems, research into the nature of the hierarchy of mosquito DNA repair pathways, as well as in mechanistic differences that may exist, is needed. In this review, we will describe progress in the use of site-specific nucleases in mosquitoes, along with the hierarchy of DNA repair in the context of mosquito chromosomal organization and structure, and how this knowledge may be manipulated to achieve precise chromosomal engineering in mosquitoes.
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Affiliation(s)
- Justin M Overcash
- Fralin Life Science Institute and Department of Entomology, Virginia Tech, 305 Fralin Life Science Institute, 360 West Campus Dr., Blacksburg, VA, 24061, USA
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42
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Vermeij WP, Hoeijmakers JHJ, Pothof J. Genome Integrity in Aging: Human Syndromes, Mouse Models, and Therapeutic Options. Annu Rev Pharmacol Toxicol 2015; 56:427-45. [PMID: 26514200 DOI: 10.1146/annurev-pharmtox-010814-124316] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Human syndromes and mouse mutants that exhibit accelerated but bona fide aging in multiple organs and tissues have been invaluable for the identification of nine denominators of aging: telomere attrition, genome instability, epigenetic alterations, mitochondrial dysfunction, deregulated nutrient sensing, altered intercellular communication, loss of proteostasis, cellular senescence and adult stem cell exhaustion. However, whether and how these instigators of aging interrelate or whether they have one root cause is currently largely unknown. Rare human progeroid syndromes and corresponding mouse mutants with resolved genetic defects highlight the dominant importance of genome maintenance for aging. A second class of aging-related disorders reveals a cross connection with metabolism. As genome maintenance and metabolism are closely interconnected, they may constitute the main underlying biology of aging. This review focuses on the role of genome stability in aging, its crosstalk with metabolism, and options for nutritional and/or pharmaceutical interventions that delay age-related pathology.
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Affiliation(s)
- Wilbert P Vermeij
- Department of Genetics, Erasmus University Medical Center, Postbus 2040, 3000 CA, Rotterdam, The Netherlands; , ,
| | - Jan H J Hoeijmakers
- Department of Genetics, Erasmus University Medical Center, Postbus 2040, 3000 CA, Rotterdam, The Netherlands; , ,
| | - Joris Pothof
- Department of Genetics, Erasmus University Medical Center, Postbus 2040, 3000 CA, Rotterdam, The Netherlands; , ,
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43
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Specks J, Nieto-Soler M, Lopez-Contreras AJ, Fernandez-Capetillo O. Modeling the study of DNA damage responses in mice. Methods Mol Biol 2015; 1267:413-37. [PMID: 25636482 DOI: 10.1007/978-1-4939-2297-0_21] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Damaged DNA has a profound impact on mammalian health and overall survival. In addition to being the source of mutations that initiate cancer, the accumulation of toxic amounts of DNA damage can cause severe developmental diseases and accelerate aging. Therefore, understanding how cells respond to DNA damage has become one of the most intense areas of biomedical research in the recent years. However, whereas most mechanistic studies derive from in vitro or in cellulo work, the impact of a given mutation on a living organism is largely unpredictable. For instance, why BRCA1 mutations preferentially lead to breast cancer whereas mutations compromising mismatch repair drive colon cancer is still not understood. In this context, evaluating the specific physiological impact of mutations that compromise genome integrity has become crucial for a better dimensioning of our knowledge. We here describe the various technologies that can be used for modeling mutations in mice and provide a review of the genes and pathways that have been modeled so far in the context of DNA damage responses.
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Affiliation(s)
- Julia Specks
- Genomic Instability Group, Spanish National Cancer Research Center (CNIO), C/Melchor Fernandez Almagro, 3, E-28029, Madrid, Spain
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Faridounnia M, Wienk H, Kovačič L, Folkers GE, Jaspers NGJ, Kaptein R, Hoeijmakers JHJ, Boelens R. The Cerebro-oculo-facio-skeletal Syndrome Point Mutation F231L in the ERCC1 DNA Repair Protein Causes Dissociation of the ERCC1-XPF Complex. J Biol Chem 2015; 290:20541-55. [PMID: 26085086 DOI: 10.1074/jbc.m114.635169] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Indexed: 12/15/2022] Open
Abstract
The ERCC1-XPF heterodimer, a structure-specific DNA endonuclease, is best known for its function in the nucleotide excision repair (NER) pathway. The ERCC1 point mutation F231L, located at the hydrophobic interaction interface of ERCC1 (excision repair cross-complementation group 1) and XPF (xeroderma pigmentosum complementation group F), leads to severe NER pathway deficiencies. Here, we analyze biophysical properties and report the NMR structure of the complex of the C-terminal tandem helix-hairpin-helix domains of ERCC1-XPF that contains this mutation. The structures of wild type and the F231L mutant are very similar. The F231L mutation results in only a small disturbance of the ERCC1-XPF interface, where, in contrast to Phe(231), Leu(231) lacks interactions stabilizing the ERCC1-XPF complex. One of the two anchor points is severely distorted, and this results in a more dynamic complex, causing reduced stability and an increased dissociation rate of the mutant complex as compared with wild type. These data provide a biophysical explanation for the severe NER deficiencies caused by this mutation.
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Affiliation(s)
- Maryam Faridounnia
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Hans Wienk
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Lidija Kovačič
- the Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, Jamova cesta 39, SI-1000 Ljubljana, Slovenia, and
| | - Gert E Folkers
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Nicolaas G J Jaspers
- the Department of Genetics, Erasmus Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Robert Kaptein
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Jan H J Hoeijmakers
- the Department of Genetics, Erasmus Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
| | - Rolf Boelens
- From the Bijvoet Center for Biomolecular Research, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands,
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Manandhar M, Boulware KS, Wood RD. The ERCC1 and ERCC4 (XPF) genes and gene products. Gene 2015; 569:153-61. [PMID: 26074087 DOI: 10.1016/j.gene.2015.06.026] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 05/01/2015] [Accepted: 06/09/2015] [Indexed: 12/22/2022]
Abstract
The ERCC1 and ERCC4 genes encode the two subunits of the ERCC1-XPF nuclease. This enzyme plays an important role in repair of DNA damage and in maintaining genomic stability. ERCC1-XPF nuclease nicks DNA specifically at junctions between double-stranded and single-stranded DNA, when the single-strand is oriented 5' to 3' away from a junction. ERCC1-XPF is a core component of nucleotide excision repair and also plays a role in interstrand crosslink repair, some pathways of double-strand break repair by homologous recombination and end-joining, as a backup enzyme in base excision repair, and in telomere length regulation. In many of these activities, ERCC1-XPF complex cleaves the 3' tails of DNA intermediates in preparation for further processing. ERCC1-XPF interacts with other proteins including XPA, RPA, SLX4 and TRF2 to perform its functions. Disruption of these interactions or direct targeting of ERCC1-XPF to decrease its DNA repair function might be a useful strategy to increase the sensitivity of cancer cells to some DNA damaging agents. Complete deletion of either ERCC1 or ERCC4 is not compatible with viability in mice or humans. However, mutations in the ERCC1 or ERCC4 genes cause a remarkable array of rare inherited human disorders. These include specific forms of xeroderma pigmentosum, Cockayne syndrome, Fanconi anemia, XFE progeria and cerebro-oculo-facio-skeletal syndrome.
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Affiliation(s)
- Mandira Manandhar
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA; The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX 77030, USA
| | - Karen S Boulware
- The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX 77030, USA
| | - Richard D Wood
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA; The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX 77030, USA.
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McNeil EM, Astell KR, Ritchie AM, Shave S, Houston DR, Bakrania P, Jones HM, Khurana P, Wallace C, Chapman T, Wear MA, Walkinshaw MD, Saxty B, Melton DW. Inhibition of the ERCC1-XPF structure-specific endonuclease to overcome cancer chemoresistance. DNA Repair (Amst) 2015; 31:19-28. [PMID: 25956741 DOI: 10.1016/j.dnarep.2015.04.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 04/07/2015] [Accepted: 04/10/2015] [Indexed: 01/23/2023]
Abstract
ERCC1-XPF is a structure-specific endonuclease that is required for the repair of DNA lesions, generated by the widely used platinum-containing cancer chemotherapeutics such as cisplatin, through the Nucleotide Excision Repair and Interstrand Crosslink Repair pathways. Based on mouse xenograft experiments, where ERCC1-deficient melanomas were cured by cisplatin therapy, we proposed that inhibition of ERCC1-XPF could enhance the effectiveness of platinum-based chemotherapy. Here we report the identification and properties of inhibitors against two key targets on ERCC1-XPF. By targeting the ERCC1-XPF interaction domain we proposed that inhibition would disrupt the ERCC1-XPF heterodimer resulting in destabilisation of both proteins. Using in silico screening, we identified an inhibitor that bound to ERCC1-XPF in a biophysical assay, reduced the level of ERCC1-XPF complexes in ovarian cancer cells, inhibited Nucleotide Excision Repair and sensitised melanoma cells to cisplatin. We also utilised high throughput and in silico screening to identify the first reported inhibitors of the other key target, the XPF endonuclease domain. We demonstrate that two of these compounds display specificity in vitro for ERCC1-XPF over two other endonucleases, bind to ERCC1-XPF, inhibit Nucleotide Excision Repair in two independent assays and specifically sensitise Nucleotide Excision Repair-proficient, but not Nucleotide Excision Repair-deficient human and mouse cells to cisplatin.
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Affiliation(s)
- Ewan M McNeil
- MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, MRC Human Genetics Unit, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK
| | - Katy R Astell
- MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, MRC Human Genetics Unit, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK
| | - Ann-Marie Ritchie
- MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, MRC Human Genetics Unit, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK
| | - Steven Shave
- Centre for Translational and Chemical Biology, School of Biological Sciences, University of Edinburgh, Michael Swann Building, The King's Buildings, Mayfield Road, Edinburgh EH9 3JR, UK
| | - Douglas R Houston
- Centre for Translational and Chemical Biology, School of Biological Sciences, University of Edinburgh, Michael Swann Building, The King's Buildings, Mayfield Road, Edinburgh EH9 3JR, UK
| | - Preeti Bakrania
- Centre for Therapeutics Discovery, MRC Technology, 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD, UK
| | - Hayley M Jones
- Centre for Therapeutics Discovery, MRC Technology, 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD, UK
| | - Puneet Khurana
- Centre for Therapeutics Discovery, MRC Technology, 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD, UK
| | - Claire Wallace
- Centre for Therapeutics Discovery, MRC Technology, 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD, UK
| | - Tim Chapman
- Centre for Therapeutics Discovery, MRC Technology, 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD, UK
| | - Martin A Wear
- Centre for Translational and Chemical Biology, School of Biological Sciences, University of Edinburgh, Michael Swann Building, The King's Buildings, Mayfield Road, Edinburgh EH9 3JR, UK
| | - Malcolm D Walkinshaw
- Centre for Translational and Chemical Biology, School of Biological Sciences, University of Edinburgh, Michael Swann Building, The King's Buildings, Mayfield Road, Edinburgh EH9 3JR, UK
| | - Barbara Saxty
- Centre for Therapeutics Discovery, MRC Technology, 1-3 Burtonhole Lane, Mill Hill, London NW7 1AD, UK
| | - David W Melton
- MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, MRC Human Genetics Unit, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK.
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47
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ICL-induced miR139-3p and miR199a-3p have opposite roles in hematopoietic cell expansion and leukemic transformation. Blood 2015; 125:3937-48. [PMID: 25778535 DOI: 10.1182/blood-2014-11-612507] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 03/09/2015] [Indexed: 01/03/2023] Open
Abstract
Interstrand crosslinks (ICLs) are toxic DNA lesions that cause severe genomic damage during replication, especially in Fanconi anemia pathway-deficient cells. This results in progressive bone marrow failure and predisposes to acute myeloid leukemia (AML). The molecular mechanisms responsible for these defects are largely unknown. Using Ercc1-deficient mice, we show that Trp53 is responsible for ICL-induced bone marrow failure and that loss of Trp53 is leukemogenic in this model. In addition, Ercc1-deficient myeloid progenitors gain elevated levels of miR-139-3p and miR-199a-3p with age. These microRNAs exert opposite effects on hematopoiesis. Ectopic expression of miR-139-3p strongly inhibited proliferation of myeloid progenitors, whereas inhibition of miR-139-3p activity restored defective proliferation of Ercc1-deficient progenitors. Conversely, the inhibition of miR-199a-3p functions aggravated the myeloid proliferation defect in the Ercc1-deficient model, whereas its enforced expression enhanced proliferation of progenitors. Importantly, miR-199a-3p caused AML in a pre-leukemic mouse model, supporting its role as an onco-microRNA. Target genes include HuR for miR-139-3p and Prdx6, Runx1, and Suz12 for miR-199a-3p. The latter genes have previously been implicated as tumor suppressors in de novo and secondary AML. These findings show that, in addition to TRP53-controlled mechanisms, miR-139-3p and miR-199a-3p are involved in the defective hematopoietic function of ICL-repair deficient myeloid progenitors.
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48
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Gurkar AU, Niedernhofer LJ. Comparison of mice with accelerated aging caused by distinct mechanisms. Exp Gerontol 2015; 68:43-50. [PMID: 25617508 DOI: 10.1016/j.exger.2015.01.045] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 01/17/2015] [Accepted: 01/20/2015] [Indexed: 02/05/2023]
Abstract
Aging is the primary risk factor for numerous chronic, debilitating diseases. These diseases impact quality of life of the elderly and consume a large portion of health care costs. The cost of age-related diseases will only increase as the world's population continues to live longer. Thus it would be advantageous to consider aging itself as a therapeutic target, potentially stemming multiple age-related diseases simultaneously. While logical, this is extremely challenging as the molecular mechanisms that drive aging are still unknown. Furthermore, clinical trials to treat aging are impractical. Even in preclinical models, testing interventions to extend healthspan in old age are lengthy and therefore costly. One approach to expedite aging studies is to take advantage of mouse strains that are engineered to age rapidly. These strains are genetically and phenotypically quite diverse. This review aims to offer a comparison of several of these strains to highlight their relative strengths and weaknesses as models of mammalian and more specifically human aging. Additionally, careful identification of commonalities among the strains may lead to the identification of fundamental pathways of aging.
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Affiliation(s)
- Aditi U Gurkar
- Department of Metabolism and Aging, Scripps Florida, 130 Scripps Way #3B3, Jupiter, FL 33458, USA
| | - Laura J Niedernhofer
- Department of Metabolism and Aging, Scripps Florida, 130 Scripps Way #3B3, Jupiter, FL 33458, USA.
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Shah P, He YY. Molecular regulation of UV-induced DNA repair. Photochem Photobiol 2015; 91:254-64. [PMID: 25534312 DOI: 10.1111/php.12406] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 12/09/2014] [Indexed: 12/21/2022]
Abstract
Ultraviolet (UV) radiation from sunlight is a major etiologic factor for skin cancer, the most prevalent cancer in the United States, as well as premature skin aging. In particular, UVB radiation causes formation of specific DNA damage photoproducts between pyrimidine bases. These DNA damage photoproducts are repaired by a process called nucleotide excision repair, also known as UV-induced DNA repair. When left unrepaired, UVB-induced DNA damage leads to accumulation of mutations, predisposing people to carcinogenesis as well as to premature aging. Genetic loss of nucleotide excision repair leads to severe disorders, namely, xeroderma pigmentosum (XP), trichothiodystrophy (TTD) and Cockayne syndrome (CS), which are associated with predisposition to skin carcinogenesis at a young age as well as developmental and neurological conditions. Regulation of nucleotide excision repair is an attractive avenue to preventing or reversing these detrimental consequences of impaired nucleotide excision repair. Here, we review recent studies on molecular mechanisms regulating nucleotide excision repair by extracellular cues and intracellular signaling pathways, with a special focus on the molecular regulation of individual repair factors.
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Affiliation(s)
- Palak Shah
- Department of Medicine, Section of Dermatology, University of Chicago, Chicago, IL
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50
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Perez-Oliva AB, Lachaud C, Szyniarowski P, Muñoz I, Macartney T, Hickson I, Rouse J, Alessi DR. USP45 deubiquitylase controls ERCC1-XPF endonuclease-mediated DNA damage responses. EMBO J 2014; 34:326-43. [PMID: 25538220 PMCID: PMC4339120 DOI: 10.15252/embj.201489184] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Reversible protein ubiquitylation plays important roles in various processes including DNA repair. Here, we identify the deubiquitylase USP45 as a critical DNA repair regulator. USP45 associates with ERCC1, a subunit of the DNA repair endonuclease XPF-ERCC1, via a short acidic motif outside of the USP45 catalytic domain. Wild-type USP45, but not a USP45 mutant defective in ERCC1 binding, efficiently deubiquitylates ERCC1 in vitro, and the levels of ubiquitylated ERCC1 are markedly enhanced in USP45 knockout cells. Cells lacking USP45 are hypersensitive specifically to UV irradiation and DNA interstrand cross-links, similar to cells lacking ERCC1. Furthermore, the repair of UV-induced DNA damage is markedly reduced in USP45-deficient cells. ERCC1 translocation to DNA damage-induced subnuclear foci is markedly impaired in USP45 knockout cells, possibly accounting for defective DNA repair. Finally, USP45 localises to sites of DNA damage in a manner dependent on its deubiquitylase activity, but independent of its ability to bind ERCC1-XPF. Together, these results establish USP45 as a new regulator of XPF-ERCC1 crucial for efficient DNA repair.
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Affiliation(s)
- Ana B Perez-Oliva
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
| | - Christophe Lachaud
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
| | - Piotr Szyniarowski
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
| | - Ivan Muñoz
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
| | - Thomas Macartney
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
| | - Ian Hickson
- Janssen Research & Development, LLC, Spring House, PA, USA
| | - John Rouse
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
| | - Dario R Alessi
- MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee, UK
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