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Herr LM, Schaffer ED, Fuchs KF, Datta A, Brosh RM. Replication stress as a driver of cellular senescence and aging. Commun Biol 2024; 7:616. [PMID: 38777831 PMCID: PMC11111458 DOI: 10.1038/s42003-024-06263-w] [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: 12/13/2023] [Accepted: 04/29/2024] [Indexed: 05/25/2024] Open
Abstract
Replication stress refers to slowing or stalling of replication fork progression during DNA synthesis that disrupts faithful copying of the genome. While long considered a nexus for DNA damage, the role of replication stress in aging is under-appreciated. The consequential role of replication stress in promotion of organismal aging phenotypes is evidenced by an extensive list of hereditary accelerated aging disorders marked by molecular defects in factors that promote replication fork progression and operate uniquely in the replication stress response. Additionally, recent studies have revealed cellular pathways and phenotypes elicited by replication stress that align with designated hallmarks of aging. Here we review recent advances demonstrating the role of replication stress as an ultimate driver of cellular senescence and aging. We discuss clinical implications of the intriguing links between cellular senescence and aging including application of senotherapeutic approaches in the context of replication stress.
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Affiliation(s)
- Lauren M Herr
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Ethan D Schaffer
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Kathleen F Fuchs
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Arindam Datta
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA.
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
| | - Robert M Brosh
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA.
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Popov AA, Petruseva IO, Naumenko NV, Lavrik OI. Methods for Assessment of Nucleotide Excision Repair Efficiency. BIOCHEMISTRY. BIOKHIMIIA 2023; 88:1844-1856. [PMID: 38105203 DOI: 10.1134/s0006297923110147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 12/19/2023]
Abstract
Nucleotide excision repair (NER) is responsible for removing a wide variety of bulky adducts from DNA, thus contributing to the maintenance of genome stability. The efficiency with which proteins of the NER system recognize and remove bulky adducts depends on many factors and is of great clinical and diagnostic significance. The review examines current concepts of the NER system molecular basis in eukaryotic cells and analyzes methods for the assessment of the NER-mediated DNA repair efficiency both in vitro and ex vivo.
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Affiliation(s)
- Aleksei A Popov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Irina O Petruseva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Natalya V Naumenko
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Olga I Lavrik
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia.
- Novosibirsk National Research State University, Novosibirsk, 630090, Russia
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D’Arino A, Caputo S, Eibenschutz L, Piemonte P, Buccini P, Frascione P, Bellei B. Skin Cancer Microenvironment: What We Can Learn from Skin Aging? Int J Mol Sci 2023; 24:14043. [PMID: 37762344 PMCID: PMC10531546 DOI: 10.3390/ijms241814043] [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: 08/04/2023] [Revised: 08/30/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
Aging is a natural intrinsic process associated with the loss of fibrous tissue, a slower cell turnover, and a reduction in immune system competence. In the skin, the continuous exposition of environmental factors superimposes extrinsic damage, mainly due to ultraviolet radiation causing photoaging. Although not usually considered a pathogenic event, photoaging affects cutaneous biology, increasing the risk of skin carcinogenesis. At the cellular level, aging is typified by the rise of senescence cells a condition characterized by reduced or absent capacity to proliferate and aberrant hyper-secretory activity. Senescence has a double-edged sword in cancer biology given that senescence prevents the uncontrolled proliferation of damaged cells and favors their clearance by paracrine secretion. Nevertheless, the cumulative insults and the poor clearance of injured cells in the elderly increase cancer incidence. However, there are not conclusive data proving that aged skin represents a permissive milieu for tumor onset. On the other hand, tumor cells are capable of activating resident fibroblasts onto a pro-tumorigenic phenotype resembling those of senescent fibroblasts suggesting that aged fibroblasts might facilitate cancer progression. This review discusses changes that occur during aging that can prime neoplasm or increase the aggressiveness of melanoma and non-melanoma skin cancer.
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Affiliation(s)
- Andrea D’Arino
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Silvia Caputo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Laura Eibenschutz
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Paolo Piemonte
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Pierluigi Buccini
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Pasquale Frascione
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Barbara Bellei
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
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Paccosi E, Artemi G, Filippi S, Balzerano A, Costanzo F, Laghezza-Masci V, Proietti S, Proietti-De-Santis L. Cockayne syndrome group A protein localizes at centrosomes during mitosis and regulates Cyclin B1 ubiquitination. Eur J Cell Biol 2023; 102:151325. [PMID: 37216802 DOI: 10.1016/j.ejcb.2023.151325] [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: 12/30/2022] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 05/24/2023] Open
Abstract
Mutations in CSA and CSB proteins cause Cockayne syndrome, a rare genetic neurodevelopment disorder. Alongside their demonstrated roles in DNA repair and transcription, these two proteins have recently been discovered to regulate cytokinesis, the final stage of the cell division. This last finding allowed, for the first time, to highlight an extranuclear localization of CS proteins, beyond the one already known at mitochondria. In this study, we demonstrated an additional role for CSA protein being recruited at centrosomes in a strictly determined step of mitosis, which ranges from pro-metaphase until metaphase exit. Centrosomal CSA exerts its function in specifically targeting the pool of centrosomal Cyclin B1 for ubiquitination and proteasomal degradation. Interestingly, a lack of CSA recruitment at centrosomes does not affect Cyclin B1 centrosomal localization but, instead, it causes its lasting centrosomal permanence, thus inducing Caspase 3 activation and apoptosis. The discovery of this unveiled before CSA recruitment at centrosomes opens a new and promising scenario for the understanding of some of the complex and different clinical aspects of Cockayne Syndrome.
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Affiliation(s)
- Elena Paccosi
- Unit of Molecular Genetics of Aging, Department of Ecology and Biology (DEB), University of Tuscia, 01100 Viterbo, Italy
| | - Giulia Artemi
- Unit of Molecular Genetics of Aging, Department of Ecology and Biology (DEB), University of Tuscia, 01100 Viterbo, Italy
| | - Silvia Filippi
- Unit of Molecular Genetics of Aging, Department of Ecology and Biology (DEB), University of Tuscia, 01100 Viterbo, Italy
| | - Alessio Balzerano
- Unit of Molecular Genetics of Aging, Department of Ecology and Biology (DEB), University of Tuscia, 01100 Viterbo, Italy
| | - Federico Costanzo
- Faculty of Biomedical Sciences, Institute of Oncology Research, USI, Bellinzona, TI, 6500, Switzerland
| | - Valentina Laghezza-Masci
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Largo dell'Università, 01100 Viterbo, Italy
| | - Silvia Proietti
- Department of Ecological and Biological Sciences, University of Tuscia, 01100 Viterbo, Italy
| | - Luca Proietti-De-Santis
- Unit of Molecular Genetics of Aging, Department of Ecology and Biology (DEB), University of Tuscia, 01100 Viterbo, Italy.
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Liang F, Li B, Xu Y, Gong J, Zheng S, Zhang Y, Wang Y. Identification and characterization of Necdin as a target for the Cockayne syndrome B protein in promoting neuronal differentiation and maintenance. Pharmacol Res 2023; 187:106637. [PMID: 36586641 DOI: 10.1016/j.phrs.2022.106637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/01/2022] [Accepted: 12/27/2022] [Indexed: 12/29/2022]
Abstract
Cockayne syndrome (CS) is a devastating autosomal recessive genetic disorder, mainly characterized by photosensitivity, growth failure, neurological abnormalities, and premature aging. Mutations in CSB (ERCC6) are associated with almost all clinical phenotypes resembling classic CS. Using RNA-seq approach in multiple cell types, we identified Necdin (NDN) as a target of the CSB protein. Supportive of the RNA-seq results, CSB directly binds to NDN and manipulates the remodeling of active histone marks and DNA 5mC methylation on the regulatory elements of the NDN gene. Intriguingly, hyperactivation of NDN due to CSB deficiency does not interfere with nucleotide excision repair (1), but greatly affects neuronal cell differentiation. Inhibition of NDN can partially rescue the motor neuron defects in CSB mouse models. In addition to shedding light on cellular mechanisms underlying CS and pointing to future avenues for intervention, these data substantiate a reciprocal communication between CSB and NDN in the context of general transcription regulation.
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Affiliation(s)
- Fangkeng Liang
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Bijuan Li
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yingying Xu
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Junwei Gong
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Shaohui Zheng
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yunlong Zhang
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yuming Wang
- Department of Neurology, Institute of Neuroscience, Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
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Muñoz JC, Beckerman I, Choudhary R, Bouvier LA, Muñoz MJ. DNA Damage-Induced RNAPII Degradation and Its Consequences in Gene Expression. Genes (Basel) 2022; 13:1951. [PMID: 36360188 PMCID: PMC9689695 DOI: 10.3390/genes13111951] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/13/2022] [Accepted: 10/20/2022] [Indexed: 08/27/2023] Open
Abstract
RPB1, the major and catalytic subunit of human RNA Polymerase II (RNAPII), is specifically degraded by the ubiquitin-proteasome system upon induction of DNA damage by different agents, such as ultraviolet (UV) light. The "last resort" model of RNAPII degradation states that a persistently stalled RNAPII is degraded at the site of the DNA lesion in order to facilitate access to Nucleotide Excision Repair (NER) factors, thereby promoting repair in template strands of active genes. Recent identification and mutation of the lysine residue involved in RPB1 ubiquitylation and degradation unveiled the relevance of RNAPII levels in the control of gene expression. Inhibition of RNAPII degradation after UV light exposure enhanced RNAPII loading onto chromatin, demonstrating that the mere concentration of RNAPII shapes the gene expression response. In this review, we discuss the role of RNAPII ubiquitylation in NER-dependent repair, recent advances in RPB1 degradation mechanisms and its consequences in gene expression under stress, both in normal and repair deficient cells.
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Affiliation(s)
- Juan Cristobal Muñoz
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
| | - Inés Beckerman
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
| | - Ramveer Choudhary
- IFOM ETS—The AIRC Institute of Molecular Oncology, Via Adamello, 16, 20139 Milan, Italy
| | - León Alberto Bouvier
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
| | - Manuel J. Muñoz
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
- IFOM ETS—The AIRC Institute of Molecular Oncology, Via Adamello, 16, 20139 Milan, Italy
- Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
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