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Chen L, Liu M, Li Y, Guan Y, Ruan J, Mao Z, Wang W, Yang HQ, Guo T. Arabidopsis cryptochromes interact with SOG1 to promote the repair of DNA double-strand breaks. Biochem Biophys Res Commun 2024; 724:150233. [PMID: 38865814 DOI: 10.1016/j.bbrc.2024.150233] [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: 06/05/2024] [Accepted: 06/05/2024] [Indexed: 06/14/2024]
Abstract
Cryptochromes (CRYs) are blue light (BL) photoreceptors to regulate a variety of physiological processes including DNA double-strand break (DSB) repair. SUPPRESSOR OF GAMMA RADIATION 1 (SOG1) acts as the central transcription factor of DNA damage response (DDR) to induce the transcription of downstream genes, including DSB repair-related genes BRCA1 and RAD51. Whether CRYs regulate DSB repair by directly modulating SOG1 is unknown. Here, we demonstrate that CRYs physically interact with SOG1. Disruption of CRYs and SOG1 leads to increased sensitivity to DSBs and reduced DSB repair-related genes' expression under BL. Moreover, we found that CRY1 enhances SOG1's transcription activation of DSB repair-related gene BRCA1. These results suggest that the mechanism by which CRYs promote DSB repair involves positive regulation of SOG1's transcription of its target genes, which is likely mediated by CRYs-SOG1 interaction.
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Affiliation(s)
- Li Chen
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Minqing Liu
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Yupeng Li
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Yan Guan
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Jiaqi Ruan
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Zhilei Mao
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Wenxiu Wang
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Hong-Quan Yang
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Tongtong Guo
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China; Shanghai Collaborative Innovation Center of Plant Germplasm Resources Development, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China.
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Vitantonio AT, Dimovasili C, Mortazavi F, Vaughan KL, Mattison JA, Rosene DL. Long-term calorie restriction reduces oxidative DNA damage to oligodendroglia and promotes homeostatic microglia in the aging monkey brain. Neurobiol Aging 2024; 141:1-13. [PMID: 38788462 DOI: 10.1016/j.neurobiolaging.2024.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 04/29/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024]
Abstract
Calorie restriction (CR) is a robust intervention that can slow biological aging and extend lifespan. In the brain, terminally differentiated neurons and glia accumulate oxidative damage with age, reducing their optimal function. We investigated if CR could reduce oxidative DNA damage to white matter oligodendrocytes and microglia. This study utilized post-mortem brain tissue from rhesus monkeys that died after decades on a 30 % reduced calorie diet. We found that CR subjects had significantly fewer cells with oxidative damage within the corpus callosum and the cingulum bundle. Oligodendrocytes specifically showed the greatest response to CR with a robust reduction in DNA damage. Additionally, we observed alterations in microglia morphology with CR subjects having a higher proportion of ramified, homeostatic microglia and fewer pro-inflammatory, hypertrophic microglia relative to controls. Furthermore, we determined that the observed attenuation in damaged DNA occurs primarily within mitochondria. Overall, these data suggest that long-term CR can reduce oxidative DNA damage and offer a neuroprotective effect in a cell-type-specific manner in the aging monkey brain.
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Affiliation(s)
- Ana T Vitantonio
- Boston University Chobanian and Avedisian School of Medicine, Department of Pharmacology, Physiology, and Biophysics, 700 Albany St., Room 308, Boston, MA 02118, USA; Boston University Chobanian and Avedisian School of Medicine, Department of Anatomy & Neurobiology, 72 East Concord St, Room L1004, Boston, MA 02118, USA.
| | - Christina Dimovasili
- Boston University Chobanian and Avedisian School of Medicine, Department of Anatomy & Neurobiology, 72 East Concord St, Room L1004, Boston, MA 02118, USA
| | - Farzad Mortazavi
- Boston University Chobanian and Avedisian School of Medicine, Department of Anatomy & Neurobiology, 72 East Concord St, Room L1004, Boston, MA 02118, USA
| | - Kelli L Vaughan
- Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
| | - Julie A Mattison
- Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
| | - Douglas L Rosene
- Boston University Chobanian and Avedisian School of Medicine, Department of Anatomy & Neurobiology, 72 East Concord St, Room L1004, Boston, MA 02118, USA; Boston University, Center for Systems Neuroscience, 610 Commonwealth Ave., 7th Floor, Boston, MA 02215, USA
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3
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Liu C, Han X, Zhang S, Huang M, Guo B, Zhao Z, Yang S, Jin J, Pu W, Yu H. The role of NCAPH in cancer treatment. Cell Signal 2024; 121:111262. [PMID: 38901722 DOI: 10.1016/j.cellsig.2024.111262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/22/2024]
Abstract
Many solid tumors frequently overexpress Non-SMC Condensin I Complex Subunit H (NCAPH), and new studies suggest that NCAPH may be a target gene for clinical cancer therapy. Numerous investigations have shown that a variety of transcription factors, including as MYBL2, FOXP3, GATA3, and OTC1, can stimulate the transcription of NCAPH. Additionally, NCAPH stimulates many oncogenic signaling pathways, such as β-Catenin/PD-L1, PI3K/AKT/SGK3, MEK/ERK, AURKB/AKT/mTOR, PI3K/PDK1/AKT, and Chk1/Chk2. Tumor immune microenvironment modification and tumor growth, apoptosis, metastasis, stemness, and treatment resistance all depend on these signals. NCAPH has the ability to form complexes with other proteins that are involved in glycolysis, DNA damage repair, and chromatin remodeling. This review indicates that NCAPH expression in most malignant tumors is associated with poor prognosis and low recurrence-free survival.
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Affiliation(s)
- Caiyan Liu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiao Han
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Siqi Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Manru Huang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Bin Guo
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zixuan Zhao
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Shenshen Yang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Jun Jin
- International Education College, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Weiling Pu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Haiyang Yu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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4
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Ognibene M, Parodi S, Amoroso L, Zara F, Pezzolo A. Overexpression of H2AFX gene in neuroblastoma is associated with worse prognosis. Pediatr Blood Cancer 2024; 71:e31146. [PMID: 38938078 DOI: 10.1002/pbc.31146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/22/2024] [Accepted: 05/31/2024] [Indexed: 06/29/2024]
Abstract
BACKGROUND Neuroblastoma (NB) is the most common solid tumour in childhood, and rises in the sympathetic nervous system. Here, we addressed the in silico analysis of the association between the expression of H2AFX gene involved in DNA damage response, and the survival of a cohort of 786 NB patients. METHODS In silico gene expression was retrieved from the publicly available dataset summarised by Cangelosi et al., including 13,696 gene expression profiles of 786 NB tumours at onset of disease. The prognostic value of H2AFX (H2A histone family member X) gene expression for event-free survival (EFS) and overall survival (OS) was evaluated by Kaplan-Meier and Cox regression analysis. The main results were validated on another openly accessible in silico database (NRC-283) containing 13,489 gene expressions in 283 NB patients. The expression of H2AFX protein was then tested by immunofluorescence on 48 primary NB samples of different tumour stages. H2AFX activity as an oncogene has been further validated in vitro by silencing the molecule in two NB cell lines, characterised by MYCN amplified or not, and performing cell growth and migration assays. RESULTS A strong inverse association between H2AFX expression and patients' survival was observed and confirmed by immunofluorescence results on primary NB tissue sections. Cox regression analysis also disclosed H2AFX as an independent predictor of EFS and OS. The gene-silencing experiments strongly suggested an oncogenic role for H2AFX on NB cells, regardless of MYCN amplification. CONCLUSIONS H2AFX is a prognostic marker for unfavourable NB and could be considered a target for therapeutic interventions.
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Affiliation(s)
- Marzia Ognibene
- UOC Genetica Medica, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Stefano Parodi
- Epidemiologia e Biostatistica, Direzione Scientifica, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Loredana Amoroso
- UOC Oncologia Pediatrica, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Federico Zara
- UOC Genetica Medica, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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5
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Lee JH. Targeting the ATM pathway in cancer: Opportunities, challenges and personalized therapeutic strategies. Cancer Treat Rev 2024; 129:102808. [PMID: 39106770 DOI: 10.1016/j.ctrv.2024.102808] [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: 06/25/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/09/2024]
Abstract
Ataxia telangiectasia mutated (ATM) kinase plays a pivotal role in orchestrating the DNA damage response, maintaining genomic stability, and regulating various cellular processes. This review provides a comprehensive analysis of ATM's structure, activation mechanisms, and various functions in cancer development, progression, and treatment. I discuss ATM's dual nature as both a tumor suppressor and potential promoter of cancer cell survival in certain contexts. The article explores the complex signaling pathways mediated by ATM, its interactions with other DNA repair mechanisms, and its influence on cell cycle checkpoints, apoptosis, and metabolism. I examine the clinical implications of ATM alterations, including their impact on cancer predisposition, prognosis, and treatment response. The review highlights recent advances in ATM-targeted therapies, discussing ongoing clinical trials of ATM inhibitors and their potential in combination with other treatment modalities. I also address the challenges in developing effective biomarkers for ATM activity and patient selection strategies for personalized cancer therapy. Finally, I outline future research directions, emphasizing the need for refined biomarker development, optimized combination therapies, and strategies to overcome potential resistance mechanisms. This comprehensive overview underscores the critical importance of ATM in cancer biology and its emerging potential as a therapeutic target in precision oncology.
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Affiliation(s)
- Ji-Hoon Lee
- Department of Biological Sciences, Research Center of Ecomimetics, Chonnam National University, Gwangju 61186, Republic of Korea.
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6
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Wei Y, Mou S, Yang Q, Liu F, Cooper ME, Chai Z. To target cellular senescence in diabetic kidney disease: the known and the unknown. Clin Sci (Lond) 2024; 138:991-1007. [PMID: 39139135 PMCID: PMC11327223 DOI: 10.1042/cs20240717] [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: 04/12/2024] [Revised: 07/07/2024] [Accepted: 07/29/2024] [Indexed: 08/15/2024]
Abstract
Cellular senescence represents a condition of irreversible cell cycle arrest, characterized by heightened senescence-associated beta-galactosidase (SA-β-Gal) activity, senescence-associated secretory phenotype (SASP), and activation of the DNA damage response (DDR). Diabetic kidney disease (DKD) is a significant contributor to end-stage renal disease (ESRD) globally, with ongoing unmet needs in terms of current treatments. The role of senescence in the pathogenesis of DKD has attracted substantial attention with evidence of premature senescence in this condition. The process of cellular senescence in DKD appears to be associated with mitochondrial redox pathways, autophagy, and endoplasmic reticulum (ER) stress. Increasing accumulation of senescent cells in the diabetic kidney not only leads to an impaired capacity for repair of renal injury, but also the secretion of pro-inflammatory and profibrotic cytokines and growth factors causing inflammation and fibrosis. Current treatments for diabetes exhibit varying degrees of renoprotection, potentially via mitigation of senescence in the diabetic kidney. Targeting senescent cell clearance through pharmaceutical interventions could emerge as a promising strategy for preventing and treating DKD. In this paper, we review the current understanding of senescence in DKD and summarize the possible therapeutic interventions relevant to senescence in this field.
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Affiliation(s)
- Yuehan Wei
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
- Department of Nephrology, Molecular Cell Laboratory for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shan Mou
- Department of Nephrology, Molecular Cell Laboratory for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Yang
- Department of Nephrology, Laboratory of Diabetic Kidney Disease, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Fang Liu
- Department of Nephrology, Laboratory of Diabetic Kidney Disease, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, China
| | - Mark E Cooper
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
| | - Zhonglin Chai
- Department of Diabetes, School of Translational Medicine, Monash University, Melbourne, Australia
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Occhipinti M, Brambilla M, Di Liello R, Ambrosini P, Lobianco L, Leporati R, Salvarezza M, Vitiello F, Marchesi S, Manglaviti S, Beninato T, Mazzeo L, Proto C, Prelaj A, Ferrara R, Della Corte CM, Russo GL, de Braud F, Ganzinelli M, Viscardi G. Unleashing precision: a review of targeted approaches in pleural mesothelioma. Crit Rev Oncol Hematol 2024:104481. [PMID: 39159705 DOI: 10.1016/j.critrevonc.2024.104481] [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: 02/11/2024] [Revised: 08/12/2024] [Accepted: 08/13/2024] [Indexed: 08/21/2024] Open
Abstract
This review delves into the intricate landscape of pleural mesothelioma (PM), emphasizing the need for nuanced therapeutic strategies. While platinum-based chemotherapy remains a cornerstone, the advent of immune checkpoint inhibitors (ICIs), notably through the Checkmate 743 trial, has reshaped treatment paradigms. Challenges persist due to patient heterogeneity and a lack of specific biomarkers. Targeting genotypic and phenotypic alterations emerges as a promising avenue, demanding precision oncology in this rare disease. CDKN2A loss, prevalent in PM, may respond to CDK4/6 inhibitors. Defects in MMR and HR suggest tailored approaches with ICI or PARP inhibitors, respectively. Ongoing trials explore novel inhibitors and promising targets like MSLN. Implementing these strategies requires overcoming challenges in patient selection, combination therapies, biomarker identification, and cost considerations. Collaboration is crucial for transforming these insights into impactful clinical interventions, heralding the era of personalized and precision medicine for PM.
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Affiliation(s)
- Mario Occhipinti
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy; Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Marta Brambilla
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy.
| | | | - Paolo Ambrosini
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Lorenzo Lobianco
- Medical Oncology, Precision Medicine Department, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Rita Leporati
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Maria Salvarezza
- Medical Oncology, Precision Medicine Department, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Fabiana Vitiello
- Medical Oncology Unit, Ospedale Monaldi, AORN Ospedali dei Colli, Naples, Italy
| | - Silvia Marchesi
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Sara Manglaviti
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Teresa Beninato
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Laura Mazzeo
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Claudia Proto
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Arsela Prelaj
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy; Department of Electronics, Information and Bioengineering, Polytechnic University of Milan, Milan, Italy
| | - Roberto Ferrara
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | | | - Giuseppe Lo Russo
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Filippo de Braud
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Monica Ganzinelli
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Giuseppe Viscardi
- Medical Oncology Unit, Ospedale Monaldi, AORN Ospedali dei Colli, Naples, Italy
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8
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Bisht A, Dey S, Kulshreshtha R. Integrated meta-analyses of genome-wide effects of PM 2.5 in human cells identifies widespread dysregulation of genes and pathways associated with cancer progression and patient survival. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 938:173448. [PMID: 38797421 DOI: 10.1016/j.scitotenv.2024.173448] [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: 03/07/2024] [Revised: 05/08/2024] [Accepted: 05/20/2024] [Indexed: 05/29/2024]
Abstract
Epidemiological studies have consistently shown a positive association between exposure to ambient PM2.5, a major component of air pollution, and various types of cancer. Previous biological research has primarily focused on the association between PM2.5 and lung cancer, with limited investigation into other cancer types. In this study, we conducted a meta-analysis on multiple PM2.5-treated normal human cell lines to identify potential molecular targets and pathways of PM2.5. Our analysis revealed 310 common differentially expressed genes (DEGs) that exhibited significant dysregulation upon exposure to PM2.5. These dysregulated genes covered a diverse range of functional categories, including oncogenes, tumor suppressor genes, and immune-related genes, which collectively contribute to PM2.5-induced carcinogenesis. Pathway enrichment analysis revealed the up-regulation of pathways associated with HIF-1, VEGF, and MAPK signalling, all of which have been implicated in various cancers. Induction in the levels of HIF pathway genes (HIF1⍺, HIF2⍺, VEGFA, BNIP3, EPO and PGK1) upon PM2.5 treatment was also confirmed by qRT-PCR. Furthermore, the construction of a protein-protein interaction (PPI) network unveiled hub genes, such as NQO1 and PDGFRB, that are known to be dysregulated and significantly correlated with overall survival in lung and breast cancer patients, suggesting their potential clinical significance. This study provides a deep insight into how PM2.5-mediated dysregulation of oncogenes or tumor suppressor genes across various human tissues may play an important role in PM2.5-induced carcinogenesis. Further exploration of these dysregulated molecular targets may enhance our understanding of the biological effects of PM2.5 and facilitate the development of preventive strategies and targeted therapies for PM2.5-associated cancers.
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Affiliation(s)
- Anadi Bisht
- School of Interdisciplinary Research, Indian Institute of Technology Delhi, New Delhi, India; Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India
| | - Sagnik Dey
- Centre for Atmospheric Sciences, Indian Institute of Technology Delhi, New Delhi, India; Centre of Excellence for Research on Clean Air, Indian Institute of Technology Delhi, New Delhi, India
| | - Ritu Kulshreshtha
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India.
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Lee LCC, Lo KKW. Shining New Light on Biological Systems: Luminescent Transition Metal Complexes for Bioimaging and Biosensing Applications. Chem Rev 2024; 124:8825-9014. [PMID: 39052606 PMCID: PMC11328004 DOI: 10.1021/acs.chemrev.3c00629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Luminescence imaging is a powerful and versatile technique for investigating cell physiology and pathology in living systems, making significant contributions to life science research and clinical diagnosis. In recent years, luminescent transition metal complexes have gained significant attention for diagnostic and therapeutic applications due to their unique photophysical and photochemical properties. In this Review, we provide a comprehensive overview of the recent development of luminescent transition metal complexes for bioimaging and biosensing applications, with a focus on transition metal centers with a d6, d8, and d10 electronic configuration. We elucidate the structure-property relationships of luminescent transition metal complexes, exploring how their structural characteristics can be manipulated to control their biological behavior such as cellular uptake, localization, biocompatibility, pharmacokinetics, and biodistribution. Furthermore, we introduce the various design strategies that leverage the interesting photophysical properties of luminescent transition metal complexes for a wide variety of biological applications, including autofluorescence-free imaging, multimodal imaging, organelle imaging, biological sensing, microenvironment monitoring, bioorthogonal labeling, bacterial imaging, and cell viability assessment. Finally, we provide insights into the challenges and perspectives of luminescent transition metal complexes for bioimaging and biosensing applications, as well as their use in disease diagnosis and treatment evaluation.
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Affiliation(s)
- Lawrence Cho-Cheung Lee
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, Units 1503-1511, 15/F, Building 17W, Hong Kong Science Park, New Territories, Hong Kong, P. R. China
| | - Kenneth Kam-Wing Lo
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
- State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
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10
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Xu X, Wang Z, Lv L, Liu C, Wang L, Sun YN, Zhao Z, Shi B, Li Q, Hao GM. Molecular regulation of DNA damage and repair in female infertility: a systematic review. Reprod Biol Endocrinol 2024; 22:103. [PMID: 39143547 PMCID: PMC11323701 DOI: 10.1186/s12958-024-01273-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 07/31/2024] [Indexed: 08/16/2024] Open
Abstract
DNA damage is a key factor affecting gametogenesis and embryo development. The integrity and stability of DNA are fundamental to a woman's successful conception, embryonic development, pregnancy and the production of healthy offspring. Aging, reactive oxygen species, radiation therapy, and chemotherapy often induce oocyte DNA damage, diminished ovarian reserve, and infertility in women. With the increase of infertility population, there is an increasing need to study the relationship between infertility related diseases and DNA damage and repair. Researchers have tried various methods to reduce DNA damage in oocytes and enhance their DNA repair capabilities in an attempt to protect oocytes. In this review, we summarize recent advances in the DNA damage response mechanisms in infertility diseases such as PCOS, endometriosis, diminished ovarian reserve and hydrosalpinx, which has important implications for fertility preservation.
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Affiliation(s)
- Xiuhua Xu
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
- Cardiovascular platform, Institute of Health and Disease, Hebei Medical University, Shijiazhuang, 050000, China
| | - Ziwei Wang
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Luyi Lv
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Ci Liu
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Lili Wang
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Ya-Nan Sun
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Zhiming Zhao
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Baojun Shi
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Qian Li
- Cardiovascular platform, Institute of Health and Disease, Hebei Medical University, Shijiazhuang, 050000, China.
| | - Gui-Min Hao
- Hebei Key Laboratory of Infertility and Genetics, Hebei Clinical Research Center for Birth Defects, Hebei Medical Key discipline of Reproductive Medicine, Hebei Collaborative Innovation Center of Integrated Traditional and Western Medicine on Reproductive Disease, Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China.
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11
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Yang H, Fouad S, Smith P, Bae EY, Ji Y, Lan X, Van Ess A, Buffa FM, Fischer R, Vendrell I, Kessler BM, D’Angiolella V. Cyclin F-EXO1 axis controls cell cycle-dependent execution of double-strand break repair. SCIENCE ADVANCES 2024; 10:eado0636. [PMID: 39121215 PMCID: PMC11313846 DOI: 10.1126/sciadv.ado0636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 07/02/2024] [Indexed: 08/11/2024]
Abstract
Ubiquitination is a crucial posttranslational modification required for the proper repair of DNA double-strand breaks (DSBs) induced by ionizing radiation (IR). DSBs are mainly repaired through homologous recombination (HR) when template DNA is present and nonhomologous end joining (NHEJ) in its absence. In addition, microhomology-mediated end joining (MMEJ) and single-strand annealing (SSA) provide backup DSBs repair pathways. However, the mechanisms controlling their use remain poorly understood. By using a high-resolution CRISPR screen of the ubiquitin system after IR, we systematically uncover genes required for cell survival and elucidate a critical role of the E3 ubiquitin ligase SCFcyclin F in cell cycle-dependent DSB repair. We show that SCFcyclin F-mediated EXO1 degradation prevents DNA end resection in mitosis, allowing MMEJ to take place. Moreover, we identify a conserved cyclin F recognition motif, distinct from the one used by other cyclins, with broad implications in cyclin specificity for cell cycle control.
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Affiliation(s)
- Hongbin Yang
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
| | - Shahd Fouad
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
| | - Paul Smith
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
- Edinburgh Cancer Research, CRUK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh EH4 2XU, UK
| | - Eun Young Bae
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
| | - Yu Ji
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
| | - Xinhui Lan
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
- Edinburgh Cancer Research, CRUK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh EH4 2XU, UK
| | - Ava Van Ess
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
- Edinburgh Cancer Research, CRUK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh EH4 2XU, UK
| | - Francesca M. Buffa
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
- Medical Science Division, University of Oxford, Oxford OX3 7DQ, UK
- Department of Computing Sciences and the Bocconi Institute for Data Science and Analytics, Bocconi University, Milan, Italy
| | - Roman Fischer
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Iolanda Vendrell
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Benedikt M. Kessler
- Target Discovery Institute, Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK
- Chinese Academy for Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford OX3 7FZ, UK
| | - Vincenzo D’Angiolella
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DS, UK
- Edinburgh Cancer Research, CRUK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh EH4 2XU, UK
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12
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Shen LP, Zhang WC, Deng JR, Qi ZH, Lin ZW, Wang ZD. Advances in the mechanism of small nucleolar RNA and its role in DNA damage response. Mil Med Res 2024; 11:53. [PMID: 39118131 PMCID: PMC11308251 DOI: 10.1186/s40779-024-00553-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 07/08/2024] [Indexed: 08/10/2024] Open
Abstract
Small nucleolar RNAs (snoRNAs) were previously regarded as a class of functionally conserved housekeeping genes, primarily involved in the regulation of ribosome biogenesis by ribosomal RNA (rRNA) modification. However, some of them are involved in several biological processes via complex molecular mechanisms. DNA damage response (DDR) is a conserved mechanism for maintaining genomic stability to prevent the occurrence of various human diseases. It has recently been revealed that snoRNAs are involved in DDR at multiple levels, indicating their relevant theoretical and clinical significance in this field. The present review systematically addresses four main points, including the biosynthesis and classification of snoRNAs, the mechanisms through which snoRNAs regulate target molecules, snoRNAs in the process of DDR, and the significance of snoRNA in disease diagnosis and treatment. It focuses on the potential functions of snoRNAs in DDR to help in the discovery of the roles of snoRNAs in maintaining genome stability and pathological processes.
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Affiliation(s)
- Li-Ping Shen
- Department of Radiobiology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Wen-Cheng Zhang
- Department of Radiobiology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Jia-Rong Deng
- Graduate Collaborative Training Base of Academy of Military Sciences, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Zhen-Hua Qi
- Department of Radiobiology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Zhong-Wu Lin
- Department of Radiobiology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, China
| | - Zhi-Dong Wang
- Department of Radiobiology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing, 100850, China.
- Graduate Collaborative Training Base of Academy of Military Sciences, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
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13
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Liu W, Feng W, Zhang Y, Lei T, Wang X, Qiao T, Chen Z, Song W. RP11-789C1.1 inhibits gastric cancer cell proliferation and accelerates apoptosis via the ATR/CHK1 signaling pathway. Chin Med J (Engl) 2024; 137:1835-1843. [PMID: 37882063 DOI: 10.1097/cm9.0000000000002869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) plays an important role in the progression of gastric cancer (GC). Their involvement ranges from genetic regulation to cancer progression. However, the mechanistic roles of RP11-789C1.1 in GC are not fully understood. METHODS We identified the expression of lncRNA RP11-789C1.1 in GC tissues and cell lines by real-time fluorescent quantitative polymerase chain reaction. A series of functional experiments revealed the effect of RP11-789C1.1 on the proliferation of GC cells. In vivo experiments verified the effect of RP11-789C1.1 on the biological behavior of a GC cell line. RNA pull-down unveiled RP11-789C1.1 interacting proteins. Western blot analysis indicated the downstream pathway changes of RP11-789C1.1, and an oxaliplatin dosing experiment disclosed the influence of RP11-789C1.1 on the drug sensitivity of oxaliplatin. RESULTS Our results demonstrated that RP11-789C1.1 inhibited the proliferation of GC cells and promoted the apoptosis of GC cells. Mechanistically, RP11-789C1.1 inhibited checkpoint kinase 1 (CHK1) phosphorylation by binding ataxia-telangiectasia mutated and Rad3 related (ATR), a serine/threonine-specific protein kinase, promoted GC apoptosis, and mediated oxaliplatin sensitivity. CONCLUSION In general, we discovered a tumor suppressor molecule RP11-789C1.1 and confirmed its mechanism of action, providing a theoretical basis for targeted GC therapy.
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Affiliation(s)
- Wenwei Liu
- Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518000, China
| | - Wei Feng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Yongxin Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Tianxiang Lei
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Xiaofeng Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Tang Qiao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Zehong Chen
- Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510630, China
| | - Wu Song
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
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14
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Xie Y, Xiao D, Li D, Peng M, Peng W, Duan H, Yang X. Combined strategies with PARP inhibitors for the treatment of BRCA wide type cancer. Front Oncol 2024; 14:1441222. [PMID: 39156700 PMCID: PMC11327142 DOI: 10.3389/fonc.2024.1441222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Accepted: 07/19/2024] [Indexed: 08/20/2024] Open
Abstract
Genomic instability stands out as a pivotal hallmark of cancer, and PARP inhibitors (PARPi) emerging as a groundbreaking class of targeted therapy drugs meticulously crafted to inhibit the repair of DNA single-strand breaks(SSB) in tumor cells. Currently, PARPi have been approved for the treatment of ovarian cancer, pancreatic cancer, breast cancer, and prostate cancer characterized by homologous recombination(HR) repair deficiencies due to mutations in BRCA1/2 or other DNA repair associated genes and acquiring the designation of breakthrough therapy. Nonetheless, PARPi exhibit limited efficacy in the majority of HR-proficient BRCA1/2 wild-type cancers. At present, the synergistic approach of combining PARPi with agents that induce HR defects, or with chemotherapy and radiotherapy to induce substantial DNA damage, significantly enhances the efficacy of PARPi in BRCA wild-type or HR-proficient patients, supporting extension the use of PARPi in HR proficient patients. Therefore, we have summarized the effects and mechanisms of the combined use of drugs with PARPi, including the combination of PARPi with HR defect-inducing drugs such as ATRi, CHKi, HR indirectly inducing drugs like VEGFRi, CDKi, immune checkpoint inhibitors and drugs instigating DNA damage such as chemotherapy or radiotherapy. In addition, this review discusses several ongoing clinical trials aimed at analyzing the clinical application potential of these combined treatment strategies.
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Affiliation(s)
- Yijun Xie
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Di Xiao
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Duo Li
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Mei Peng
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Wei Peng
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Huaxin Duan
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Xiaoping Yang
- Department of Oncology, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Engineering Research Center of Reproduction and Translational Medicine of Hunan Province, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Key Laboratory of Protein Chemistry and Developmental Biology of Fish of Ministry of Education, Hunan Normal University, Changsha, Hunan, China
- Department of Pharmacy, Hunan Normal University, Changsha, Hunan, China
- School of Medicine, Hunan Normal University, Changsha, Hunan, China
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15
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Martin-Blazquez A, Martin-Lorenzo M, Santiago-Hernandez A, Heredero A, Donado A, Lopez JA, Anfaiha-Sanchez M, Ruiz-Jimenez R, Esteban V, Vazquez J, Aldamiz-Echevarria G, Alvarez-Llamas G. Analysis of Vascular Smooth Muscle Cells from Thoracic Aortic Aneurysms Reveals DNA Damage and Cell Cycle Arrest as Hallmarks in Bicuspid Aortic Valve Patients. J Proteome Res 2024; 23:3012-3024. [PMID: 38594816 PMCID: PMC11301675 DOI: 10.1021/acs.jproteome.3c00649] [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: 10/04/2023] [Revised: 02/26/2024] [Accepted: 03/24/2024] [Indexed: 04/11/2024]
Abstract
Thoracic aortic aneurysm (TAA) is mainly sporadic and with higher incidence in the presence of a bicuspid aortic valve (BAV) for unknown reasons. The lack of drug therapy to delay TAA progression lies in the limited knowledge of pathophysiology. We aimed to identify the molecular hallmarks that differentiate the aortic dilatation associated with BAV and tricuspid aortic valve (TAV). Aortic vascular smooth muscle cells (VSMCs) isolated from sporadic TAA patients with BAV or TAV were analyzed by mass spectrometry. DNA oxidative damage assay and cell cycle profiling were performed in three independent cohorts supporting proteomics data. The alteration of secreted proteins was confirmed in plasma. Stress phenotype, oxidative stress, and enhanced DNA damage response (increased S-phase arrest and apoptosis) were found in BAV-TAA patients. The increased levels of plasma C1QTNF5, LAMA2, THSB3, and FAP confirm the enhanced stress in BAV-TAA. Plasma FAP and BGN point to an increased inflammatory condition in TAV. The arterial wall of BAV patients shows a limited capacity to counteract drivers of sporadic TAA. The molecular pathways identified support the need of differential molecular diagnosis and therapeutic approaches for BAV and TAV patients, showing specific markers in plasma which may serve to monitor therapy efficacy.
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Affiliation(s)
- Ariadna Martin-Blazquez
- Immunology
Department, IIS-Fundación Jiménez
Díaz, Fundación Jiménez Díaz Hospital-UAM, 28040 Madrid, Spain
| | - Marta Martin-Lorenzo
- Immunology
Department, IIS-Fundación Jiménez
Díaz, Fundación Jiménez Díaz Hospital-UAM, 28040 Madrid, Spain
| | | | - Angeles Heredero
- Cardiac
Surgery Service, Fundación Jiménez
Díaz Hospital-UAM, 28040 Madrid, Spain
| | - Alicia Donado
- Cardiac
Surgery Service, Fundación Jiménez
Díaz Hospital-UAM, 28040 Madrid, Spain
| | - Juan A Lopez
- Laboratory
of Cardiovascular Proteomics, Centro Nacional
de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
- CIBER
de Enfermedades Cardiovasculares (CIBERCV), 28029 Madrid, Spain
| | - Miriam Anfaiha-Sanchez
- Immunology
Department, IIS-Fundación Jiménez
Díaz, Fundación Jiménez Díaz Hospital-UAM, 28040 Madrid, Spain
| | - Rocio Ruiz-Jimenez
- Immunology
Department, IIS-Fundación Jiménez
Díaz, Fundación Jiménez Díaz Hospital-UAM, 28040 Madrid, Spain
| | - Vanesa Esteban
- Department
of Allergy and Immunology, IIS-Fundación
Jiménez Díaz, Fundación Jiménez Díaz
Hospital-UAM, 28040 Madrid, Spain
- Faculty
of Medicine and Biomedicine, Alfonso X El
Sabio University, 28691 Madrid, Spain
| | - Jesus Vazquez
- Laboratory
of Cardiovascular Proteomics, Centro Nacional
de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
- CIBER
de Enfermedades Cardiovasculares (CIBERCV), 28029 Madrid, Spain
| | | | - Gloria Alvarez-Llamas
- Immunology
Department, IIS-Fundación Jiménez
Díaz, Fundación Jiménez Díaz Hospital-UAM, 28040 Madrid, Spain
- RICORS2040, Fundación Jiménez Díaz, 28040 Madrid, Spain
- Department
of Biochemistry and Molecular Biology, Complutense
University, 28040 Madrid, Spain
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16
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Ahmad A, Braden A, Khan S, Xiao J, Khan MM. Crosstalk between the DNA damage response and cellular senescence drives aging and age-related diseases. Semin Immunopathol 2024; 46:10. [PMID: 39095660 DOI: 10.1007/s00281-024-01016-7] [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: 03/13/2024] [Accepted: 05/21/2024] [Indexed: 08/04/2024]
Abstract
Cellular senescence is a crucial process of irreversible cell-cycle arrest, in which cells remain alive, but permanently unable to proliferate in response to distinct types of stressors. Accumulating evidence suggests that DNA damage builds over time and triggers DNA damage response signaling, leading to cellular senescence. Cellular senescence serves as a platform for the perpetuation of inflammatory responses and is central to numerous age-related diseases. Defects in DNA repair genes or senescence can cause premature aging disease. Therapeutic approaches limiting DNA damage or senescence contribute to a rescued phenotype of longevity and neuroprotection, thus suggesting a mechanistic interaction between DNA damage and senescence. Here, we offer a unique perspective on the crosstalk between the DNA damage response pathway and senescence as well as their contribution to age-related diseases. We further summarize recent progress on the mechanisms and therapeutics of senescence, address existing challenges, and offering new insights and future directions in the senescence field.
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Affiliation(s)
- Ajmal Ahmad
- Department of Ophthalmology, College of Medicine, King Saud University Riyadh, Riyadh, Saudi Arabia
| | - Anneliesse Braden
- Department of Neurology, College of Medicine, University of Tennessee Health Science Center, 855 Monroe Avenue, Suite 415 Link Building, Memphis, TN, 38163, USA
- Neuroscience Institute, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Sazzad Khan
- Department of Neurology, College of Medicine, University of Tennessee Health Science Center, 855 Monroe Avenue, Suite 415 Link Building, Memphis, TN, 38163, USA
| | - Jianfeng Xiao
- Department of Neurology, College of Medicine, University of Tennessee Health Science Center, 855 Monroe Avenue, Suite 415 Link Building, Memphis, TN, 38163, USA
| | - Mohammad Moshahid Khan
- Department of Neurology, College of Medicine, University of Tennessee Health Science Center, 855 Monroe Avenue, Suite 415 Link Building, Memphis, TN, 38163, USA.
- Neuroscience Institute, University of Tennessee Health Science Center, Memphis, TN, USA.
- Center for Muscle, Metabolism and Neuropathology, Division of Regenerative and Rehabilitation Sciences, Department of Physical Therapy, College of Health Professions, University of Tennessee Health Science Center, Memphis, TN, USA.
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17
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Chen S, Zhu H, Lin L, Lu L, Chen L, Zeng L, Yue W, Kong X, Zhang H. Apelin-13 improves pulmonary epithelial barrier function in a mouse model of LPS-induced acute lung injury by inhibiting Chk1-mediated DNA damage. Biochem Pharmacol 2024; 226:116297. [PMID: 38801925 DOI: 10.1016/j.bcp.2024.116297] [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: 10/22/2023] [Revised: 04/10/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024]
Abstract
Apelin-13, a type of active peptide, can alleviate lipopolysaccharide (LPS)-induced acute lung injury (ALI). However, the specific mechanism is unclear. Cell cycle checkpoint kinase 1 (Chk1) plays an important role in DNA damage. Here, we investigated the regulatory effect of Apelin on Chk1 in ALI. Chk1-knockout and -overexpression mice were used to explore the role of Chk1 in LPS-induced ALI mice treated with or without Apelin-13. In addition, A549 cells were also treated with LPS to establish a cell model. Chk1 knockdown inhibited the destruction of alveolar structure, the damage of lung epithelial barrier function, and DNA damage in the ALI mouse model. Conversely, Chk1 overexpression had the opposite effect. Furthermore, Apelin-13 reduced Chk1 expression and DNA damage to improve the impaired lung epithelial barrier function in the ALI model. However, the high expression of Chk1 attenuated the protective effect of Apelin-13 on ALI. Notably, Apelin-13 promoted Chk1 degradation through autophagy to regulate DNA damage in LPS-treated A549 cells. In summary, Apelin-13 regulates the expression of Chk1 by promoting autophagy, thereby inhibiting epithelial DNA damage and repairing epithelial barrier function.
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Affiliation(s)
- Siyue Chen
- Department of Children's Respiration disease, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang, PR China; School of Basic Medical Sciences, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang 315302, PR China
| | - Huihui Zhu
- Department of Children's Respiration disease, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang, PR China
| | - Lidan Lin
- School of Basic Medical Sciences, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang 315302, PR China
| | - Liling Lu
- Children's Hospital, Zhejiang University School of Medicine, Zhejiang 310000, PR China
| | - Lin Chen
- Department of Children's Respiration disease, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang, PR China; School of Basic Medical Sciences, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang 315302, PR China
| | - Luyao Zeng
- Department of Children's Respiration disease, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang, PR China
| | - Wei Yue
- Department of Children's Respiration disease, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang, PR China
| | - Xiaoxia Kong
- School of Basic Medical Sciences, Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang 315302, PR China.
| | - Hailin Zhang
- Department of Children's Respiration disease, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang, PR China.
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18
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Mamontova V, Trifault B, Burger K. Nono induces Gadd45b to mediate DNA repair. Life Sci Alliance 2024; 7:e202302555. [PMID: 38843934 PMCID: PMC11157152 DOI: 10.26508/lsa.202302555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 05/23/2024] [Accepted: 05/23/2024] [Indexed: 06/09/2024] Open
Abstract
RNA-binding proteins are frequently deregulated in cancer and emerge as effectors of the DNA damage response (DDR). The non-POU domain-containing octamer-binding protein NONO/p54nrb is a multifunctional RNA-binding protein that not only modulates the production and processing of mRNA, but also promotes the repair of DNA double-strand breaks (DSBs). Here, we investigate the impact of Nono deletion in the murine KP (KRas G12D , Trp53 -/- ) cell-based lung cancer model. We show that the deletion of Nono impairs the response to DNA damage induced by the topoisomerase II inhibitor etoposide or the radiomimetic drug bleomycin. Nono-deficient KP (KPN) cells display hyperactivation of DSB signalling and high levels of DSBs. The defects in the DDR are accompanied by reduced RNA polymerase II promoter occupancy, impaired nascent RNA synthesis, and attenuated induction of the DDR factor growth arrest and DNA damage-inducible beta (Gadd45b). Our data characterise Gadd45b as a putative Nono-dependent effector of the DDR and suggest that Nono mediates a genome-protective crosstalk of the DDR with the RNA metabolism via induction of Gadd45b.
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Affiliation(s)
- Victoria Mamontova
- https://ror.org/03pvr2g57 Mildred Scheel Early Career Center for Cancer Research (Mildred-Scheel-Nachwuchszentrum, MSNZ) Würzburg, University Hospital Würzburg, Würzburg, Germany
- https://ror.org/00fbnyb24 Department of Biochemistry and Molecular Biology, Biocenter of the University of Würzburg, Würzburg, Germany
| | - Barbara Trifault
- https://ror.org/03pvr2g57 Mildred Scheel Early Career Center for Cancer Research (Mildred-Scheel-Nachwuchszentrum, MSNZ) Würzburg, University Hospital Würzburg, Würzburg, Germany
- https://ror.org/00fbnyb24 Department of Biochemistry and Molecular Biology, Biocenter of the University of Würzburg, Würzburg, Germany
| | - Kaspar Burger
- https://ror.org/03pvr2g57 Mildred Scheel Early Career Center for Cancer Research (Mildred-Scheel-Nachwuchszentrum, MSNZ) Würzburg, University Hospital Würzburg, Würzburg, Germany
- https://ror.org/00fbnyb24 Department of Biochemistry and Molecular Biology, Biocenter of the University of Würzburg, Würzburg, Germany
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19
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Nikjoo H, Rahmanian S, Taleei R. Modelling DNA damage-repair and beyond. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2024; 190:1-18. [PMID: 38754703 DOI: 10.1016/j.pbiomolbio.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 03/27/2024] [Accepted: 05/10/2024] [Indexed: 05/18/2024]
Abstract
The paper presents a review of mechanistic modelling studies of DNA damage and DNA repair, and consequences to follow in mammalian cell nucleus. We hypothesize DNA deletions are consequences of repair of double strand breaks leading to the modifications of genome that play crucial role in long term development of genetic inheritance and diseases. The aim of the paper is to review formation mechanisms underlying naturally occurring DNA deletions in the human genome and their potential relevance for bridging the gap between induced DNA double strand breaks and deletions in damaged human genome from endogenous and exogenous events. The model of the cell nucleus presented enables simulation of DNA damage at molecular level identifying the spectrum of damage induced in all chromosomal territories and loops. Our mechanistic modelling of DNA repair for double stand breaks (DSB), single strand breaks (SSB) and base damage (BD), shows the complexity of DNA damage is responsible for the longer repair times and the reason for the biphasic feature of mammalian cells repair curves. In the absence of experimentally determined data, the mechanistic model of repair predicts the in vivo rate constants for the proteins involved in the repair of DSB, SSB, and of BD.
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Affiliation(s)
- Hooshang Nikjoo
- Department of Physiology, Anatomy and Genetics (DPAG), Oxford University, Oxford, OX1 3PT, UK.
| | | | - Reza Taleei
- Medical Physics Division, Department of Radiation Oncology Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, 19107, USA.
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20
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Liu Y, Zhu J, Zhou S, Hou Y, Yan Z, Ao X, Wang P, Zhou L, Chen H, Liang X, Guan H, Gao S, Xie D, Gu Y, Zhou P. Low-dose ionizing radiation-induced RET/PTC1 rearrangement via the non-homologous end joining pathway to drive thyroid cancer. MedComm (Beijing) 2024; 5:e690. [PMID: 39135916 PMCID: PMC11318340 DOI: 10.1002/mco2.690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 07/14/2024] [Accepted: 07/16/2024] [Indexed: 08/15/2024] Open
Abstract
Thyroid cancer incidence increases worldwide annually, primarily due to factors such as ionizing radiation (IR), iodine intake, and genetics. Papillary carcinoma of the thyroid (PTC) accounts for about 80% of thyroid cancer cases. RET/PTC1 (coiled-coil domain containing 6 [CCDC6]-rearranged during transfection) rearrangement is a distinctive feature in over 70% of thyroid cancers who exposed to low doses of IR in Chernobyl and Hiroshima‒Nagasaki atomic bombings. This study aims to elucidate mechanism between RET/PTC1 rearrangement and IR in PTC. N-thy-ori-3-1 cells were subjected to varying doses of IR (2/1/0.5/0.2/0.1/0.05 Gy) of IR at different days, and result showed low-dose IR-induced RET/PTC1 rearrangement in a dose-dependent manner. RET/PTC1 has been observed to promote PTC both in vivo and in vitro. To delineate the role of different DNA repair pathways, SCR7, RI-1, and Olaparib were employed to inhibit non-homologous end joining (NHEJ), homologous recombination (HR), and microhomology-mediated end joining (MMEJ), respectively. Notably, inhibiting NHEJ enhanced HR repair efficiency and reduced IR-induced RET/PTC1 rearrangement. Conversely, inhibiting HR increased NHEJ repair efficiency and subsequent RET/PTC1 rearrangement. The MMEJ did not show a markable role in this progress. Additionally, inhibiting DNA-dependent protein kinase catalytic subunit (DNA-PKcs) decreased the efficiency of NHEJ and thus reduced IR-induced RET/PTC1 rearrangement. To conclude, the data suggest that NHEJ, rather than HR or MMEJ, is the critical cause of IR-induced RET/PTC1 rearrangement. Targeting DNA-PKcs to inhibit the NHEJ has emerged as a promising therapeutic strategy for addressing IR-induced RET/PTC1 rearrangement in PTC.
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Affiliation(s)
- Yuhao Liu
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Jiaojiao Zhu
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Shenghui Zhou
- Hengyang Medical CollegeUniversity of South ChinaHengyangChina
| | - Yifan Hou
- College of Life SciencesHebei UniversityBaodingChina
| | - Ziyan Yan
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Xingkun Ao
- Hengyang Medical CollegeUniversity of South ChinaHengyangChina
| | - Ping Wang
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Lin Zhou
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Huixi Chen
- Hengyang Medical CollegeUniversity of South ChinaHengyangChina
| | - Xinxin Liang
- Hengyang Medical CollegeUniversity of South ChinaHengyangChina
| | - Hua Guan
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Shanshan Gao
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Dafei Xie
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Yongqing Gu
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
- Hengyang Medical CollegeUniversity of South ChinaHengyangChina
- College of Life SciencesHebei UniversityBaodingChina
| | - Ping‐Kun Zhou
- Beijing Key Laboratory for RadiobiologyBeijing Institute of Radiation MedicineBeijingChina
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21
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Li JA, He Y, Yang B, Mokrani A, Li Y, Tan C, Li Q, Liu S. Whole-genome DNA methylation profiling revealed epigenetic regulation of NF-κB signaling pathway involved in response to Vibrio alginolyticus infection in the Pacific oyster, Crassostrea gigas. FISH & SHELLFISH IMMUNOLOGY 2024; 151:109705. [PMID: 38885801 DOI: 10.1016/j.fsi.2024.109705] [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: 03/25/2024] [Revised: 06/08/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024]
Abstract
DNA methylation, an essential epigenetic alteration, is tightly linked to a variety of biological processes, such as immune response. To identify the epigenetic regulatory mechanism in Pacific oyster (Crassostrea gigas), whole-genome bisulfite sequencing (WGBS) was conducted on C. gigas at 0 h, 6 h, and 48 h after infection with Vibrio alginolyticus. At 6 h and 48 h, a total of 11,502 and 14,196 differentially methylated regions (DMRs) were identified (p<0.05, FDR<0.001) compared to 0 h, respectively. Gene ontology (GO) analysis showed that differentially methylated genes (DMGs) were significantly enriched in various biological pathways including immunity, cytoskeleton, epigenetic modification, and metabolic processes. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis showed that transcription machinery (ko03021) is one of the most important pathways. Integrated transcriptome and methylome analyses allowed the identification of 167 and 379 DMG-related DEGs at 6 h and 48 h, respectively. These genes were significantly enriched in immune-related pathways, including nuclear factor kappa B (NF-κB) signaling pathway (ko04064) and tumor necrosis factor (TNF) signaling pathway (ko04668). Interestingly, it's observed that the NF-κB pathway could be activated jointly by TNF Receptor Associated Factor 2 (TRAF2) and Baculoviral IAP Repeat Containing 3 (BIRC3, the homolog of human BIRC2) which were regulated by DNA methylation in response to the challenge posed by V. alginolyticus infection. Through this study, we provided insightful information about the epigenetic regulation of immunity-related genes in the C. gigas, which will be valuable for the understanding of the innate immune system modulation and defense mechanism against bacterial infection in invertebrates.
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Affiliation(s)
- Jian-An Li
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China
| | - Yameng He
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China
| | - Ben Yang
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China
| | - Ahmed Mokrani
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China
| | - Yin Li
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China
| | - Chao Tan
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China
| | - Qi Li
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan National Laboratory, Qingdao, 266237, China
| | - Shikai Liu
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan National Laboratory, Qingdao, 266237, China.
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22
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Ferreira-Silva GÁ, Rodrigues DA, Pressete CG, Caixeta ES, Gamero AMC, Miyazawa M, Hanemann JAC, Fraga CAM, Aissa AF, Ionta M. Selective inhibition of HDAC6 by N-acylhydrazone derivative reduces the proliferation and induces senescence in carcinoma hepatocellular cells. Toxicol In Vitro 2024; 99:105884. [PMID: 38945376 DOI: 10.1016/j.tiv.2024.105884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/13/2024] [Accepted: 06/25/2024] [Indexed: 07/02/2024]
Abstract
Hepatocellular carcinoma (HCC) is a significant contributor to cancer-related deaths globally. Systemic therapy is the only treatment option for HCC at an advanced stage, with limited therapeutic response. In this study, we evaluated the antitumor potential of four N-acylhydrazone (NAH) derivatives, namely LASSBio-1909, 1911, 1935, and 1936, on HCC cell lines. We have previously demonstrated that the aforementioned NAH derivatives selectively inhibit histone deacetylase 6 (HDAC6) in lung cancer cells, but their effects on HCC cells have not been explored. Thus, the present study aimed to evaluate the effects of NAH derivatives on the proliferative behavior of HCC cells. LASSBio-1911 was the most cytotoxic compound against HCC cells, however its effects were minimal on normal cells. Our results showed that LASSBio-1911 inhibited HDAC6 in HCC cells leading to cell cycle arrest and decreased cell proliferation. There was also an increase in the frequency of cells in mitosis onset, which was associated with disturbing mitotic spindle formation. These events were accompanied by elevated levels of CDKN1A mRNA, accumulation of CCNB1 protein, and sustained ERK1 phosphorylation. Furthermore, LASSBio-1911 induced DNA damage, resulting in senescence and/or apoptosis. Our findings indicate that selective inhibition of HDAC6 may provide an effective therapeutic strategy for the treatment of advanced HCC, including tumor subtypes with integrated viral genome. Further, in vivo studies are required to validate the antitumor effect of LASSBio-1911 on liver cancer.
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Affiliation(s)
| | - Daniel Alencar Rodrigues
- Laboratory of Evaluation and Synthesis of Bioactive Substances (LASSBio), Institute of Biomedical Sciences, Federal University of Rio de Janeiro, CCS, Rio de Janeiro, RJ, Brazil
| | | | | | - Angel Mauricio Castro Gamero
- Human Genetics Laboratory, Institute of Natural Science, Federal University of Alfenas, zip-code 37130-001, Alfenas, MG, Brazil
| | - Marta Miyazawa
- School of Dentistry, Federal University of Alfenas, 37130-001 MG, Brazil
| | | | - Carlos Alberto Manssour Fraga
- Laboratory of Evaluation and Synthesis of Bioactive Substances (LASSBio), Institute of Biomedical Sciences, Federal University of Rio de Janeiro, CCS, Rio de Janeiro, RJ, Brazil
| | - Alexandre Ferro Aissa
- Institute of Biomedical Sciences, Federal University of Alfenas, MG 37130-001, Brazil.
| | - Marisa Ionta
- Institute of Biomedical Sciences, Federal University of Alfenas, MG 37130-001, Brazil.
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23
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Omidvar S, Vahedian V, Sourani Z, Yari D, Asadi M, Jafari N, Khodavirdilou L, Bagherieh M, Shirzad M, Hosseini V. The molecular crosstalk between innate immunity and DNA damage repair/response: Interactions and effects in cancers. Pathol Res Pract 2024; 260:155405. [PMID: 38981346 DOI: 10.1016/j.prp.2024.155405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 06/08/2024] [Accepted: 06/12/2024] [Indexed: 07/11/2024]
Abstract
DNA damage can lead to erroneous alterations and mutations which in turn can result into wide range of disease condition including aging, severe inflammation, and, most importantly, cancer. Due to the constant exposure to high-risk factors such as exogenous and endogenous DNA-damaging agents, cells may experience DNA damage impairing stability and integrity of the genome. These perturbations in DNA structure can arise from several mutations in the genome. Therefore, DNA Damage Repair/Response (DDR) detects and then corrects these potentially tumorigenic problems by inducing processes such as DNA repair, cell cycle arrest, apoptosis, etc. Additionally, DDR can activate signaling pathways related to immune system as a protective mechanism against genome damage. These protective machineries are ignited and spread through a network of molecules including DNA damage sensors, transducers, kinases and downstream effectors. In this review, we are going to discuss the molecular crosstalk between innate immune system and DDR, as well as their potential effects on cancer pathophysiology.
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Affiliation(s)
- Sahar Omidvar
- Cancer Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Vahid Vahedian
- Department of Hematology, Transfusion Medicine and Cellular Therapy, Division of Hematology/Oncology, Clinical Hospital, Faculty of Medicine, University of Sao Paulo (FMUSP-HC), Sao Paulo, Brazil; Department of Clinical Medicine, Division of Medical Investigation Laboratory (LIM-31), Clinical Hospital, Faculty of Medicine, University of Sao Paulo (FMUSP-HC), Sao Paulo, Brazil; Comprehensive Center for Translational and Precision Oncology (CTO), SP State Cancer Institute (ICESP), Sao Paulo, Brazil.
| | - Zahra Sourani
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Davood Yari
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Mehrdad Asadi
- Department of Medical Laboratory Sciences and Microbiology, Faculty of Medical Sciences, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran.
| | - Negin Jafari
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Lida Khodavirdilou
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX, USA.
| | - Molood Bagherieh
- Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran.
| | - Moein Shirzad
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Vahid Hosseini
- Department of Medical Laboratory Sciences and Microbiology, Faculty of Medical Sciences, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran; Infectious Diseases Research Center, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran.
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24
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Cai Z, Yang Y, Zhong J, Ji Y, Li T, Luo J, Hu S, Luo H, Wu Y, Liu F, Zhang J. cGAS suppresses β-cell proliferation by a STING-independent but CEBPβ-dependent mechanism. Metabolism 2024; 157:155933. [PMID: 38729601 DOI: 10.1016/j.metabol.2024.155933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/21/2024] [Accepted: 05/05/2024] [Indexed: 05/12/2024]
Abstract
AIMS/HYPOTHESIS cGAS (cyclic GMP-AMP synthase) has been implicated in various cellular processes, but its role in β-cell proliferation and diabetes is not fully understood. This study investigates the impact of cGAS on β-cell proliferation, particularly in the context of diabetes. METHODS Utilizing mouse models, including cGAS and STING (stimulator of interferon genes) knockout mice, we explored the role of cGAS in β-cell function. This involved β-cell-specific cGAS knockout (cGASβKO) mice, created by breeding cGAS floxed mice with transgenic mice expressing Cre recombinase under the insulin II promoter. We analyzed cGAS expression in diabetic mouse models, evaluated the effects of cGAS deficiency on glucose tolerance, and investigated the molecular mechanisms underlying these effects through RNA sequencing. RESULTS cGAS expression is upregulated in the islets of diabetic mice and by high glucose treatment in MIN6 cells. Both global cGAS deficiency and β-cell-specific cGAS knockout mice lead to improved glucose tolerance by promoting β-cell mass. Interestingly, STING knockout did not affect pancreatic β-cell mass, suggesting a STING-independent mechanism for cGAS's role in β-cells. Further analyses revealed that cGAS- but not STING-deficiency leads to reduced expression of CEBPβ, a known suppressor of β-cell proliferation, concurrently with increased β-cell proliferation. Moreover, overexpression of CEBPβ reverses the upregulation of Cyclin D1 and D2 induced by cGAS deficiency, thereby regulating β-cell proliferation. These results confirm that cGAS regulation of β-cell proliferation via a CEBPβ-dependent but STING-independent mechanism. CONCLUSIONS/INTERPRETATION Our findings highlight the pivotal role of cGAS in promoting β-cell proliferation and maintaining glucose homeostasis, potentially by regulating CEBPβ expression in a STING-independent manner. This study uncovers the significance of cGAS in controlling β-cell mass and identifies a potential therapeutic target for enhancing β-cell proliferation in the treatment of diabetes.
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Affiliation(s)
- Zixin Cai
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yan Yang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jiaxin Zhong
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yujiao Ji
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ting Li
- Departments of Liver Organ Transplantation, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Jing Luo
- Departments of Liver Organ Transplantation, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Shanbiao Hu
- Departments of Urological Organ Transplantation, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Hairong Luo
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yan Wu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Feng Liu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
| | - Jingjing Zhang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Cardiometabolic Medicine of Hunan Province, Metabolic Syndrome Research Center, Department of Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
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25
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He M, Jiang H, Li S, Xue M, Wang H, Zheng C, Tong J. The crosstalk between DNA-damage responses and innate immunity. Int Immunopharmacol 2024; 140:112768. [PMID: 39088918 DOI: 10.1016/j.intimp.2024.112768] [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: 05/20/2024] [Revised: 07/14/2024] [Accepted: 07/22/2024] [Indexed: 08/03/2024]
Abstract
DNA damage is typically caused during cell growth by DNA replication stress or exposure to endogenous or external toxins. The accumulation of damaged DNA causes genomic instability, which is the root cause of many serious disorders. Multiple cellular organisms utilize sophisticated signaling pathways against DNA damage, collectively known as DNA damage response (DDR) networks. Innate immune responses are activated following cellular abnormalities, including DNA damage. Interestingly, recent studies have indicated that there is an intimate relationship between the DDR network and innate immune responses. Diverse kinds of cytosolic DNA sensors, such as cGAS and STING, recognize damaged DNA and induce signals related to innate immune responses, which link defective DDR to innate immunity. Moreover, DDR components operate in immune signaling pathways to induce IFNs and/or a cascade of inflammatory cytokines via direct interactions with innate immune modulators. Consistently, defective DDR factors exacerbate the innate immune imbalance, resulting in severe diseases, including autoimmune disorders and tumorigenesis. Here, the latest progress in understanding crosstalk between the DDR network and innate immune responses is reviewed. Notably, the dual function of innate immune modulators in the DDR network may provide novel insights into understanding and developing targeted immunotherapies for DNA damage-related diseases, even carcinomas.
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Affiliation(s)
- Mei He
- College of Life Sciences, Hebei University, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Hua Jiang
- Department of Hematology, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200000, China
| | - Shun Li
- Department of Immunology, School of Basic Medical Sciences, Chengdu Medical College, Chengdu 610041, China
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou 450001, China.
| | - Huiqing Wang
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu 610041, China.
| | - Chunfu Zheng
- Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada.
| | - Jie Tong
- College of Life Sciences, Hebei University, Baoding 071002, China.
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26
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Liu Y, Lomeli I, Kron SJ. Therapy-Induced Cellular Senescence: Potentiating Tumor Elimination or Driving Cancer Resistance and Recurrence? Cells 2024; 13:1281. [PMID: 39120312 PMCID: PMC11312217 DOI: 10.3390/cells13151281] [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: 06/01/2024] [Revised: 07/17/2024] [Accepted: 07/25/2024] [Indexed: 08/10/2024] Open
Abstract
Cellular senescence has been increasingly recognized as a hallmark of cancer, reflecting its association with aging and inflammation, its role as a response to deregulated proliferation and oncogenic stress, and its induction by cancer therapies. While therapy-induced senescence (TIS) has been linked to resistance, recurrence, metastasis, and normal tissue toxicity, TIS also has the potential to enhance therapy response and stimulate anti-tumor immunity. In this review, we examine the Jekyll and Hyde nature of senescent cells (SnCs), focusing on how their persistence while expressing the senescence-associated secretory phenotype (SASP) modulates the tumor microenvironment through autocrine and paracrine mechanisms. Through the SASP, SnCs can mediate both resistance and response to cancer therapies. To fulfill the unmet potential of cancer immunotherapy, we consider how SnCs may influence tumor inflammation and serve as an antigen source to potentiate anti-tumor immune response. This new perspective suggests treatment approaches based on TIS to enhance immune checkpoint blockade. Finally, we describe strategies for mitigating the detrimental effects of senescence, such as modulating the SASP or targeting SnC persistence, which may enhance the overall benefits of cancer treatment.
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Affiliation(s)
| | | | - Stephen J. Kron
- Ludwig Center for Metastasis Research and Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
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27
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Özer Simsek Z, Aras S, Cikrikcioglu M, Baydili KN, Cortuk M. Melatonin as a radioprotective agent against flattening filter and flattening filter-free beam in radiotherapy-induced lung tissue damage. Int J Radiat Biol 2024:1-7. [PMID: 39074356 DOI: 10.1080/09553002.2024.2381492] [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: 07/10/2023] [Revised: 03/09/2024] [Accepted: 07/11/2024] [Indexed: 07/31/2024]
Abstract
BACKGROUND Radiotherapy is a widely used treatment method in oncology, applied by delivering high-energy particles or waves to the tumor tissue. Although tumor cells are targeted with radiotherapy, it can cause acute or long-term damage to healthy tissues. Therefore, the preservation of healthy tissues has been an important subject of various scientific researches. Melatonin has been shown to have a radioprotective effect on many tissues and organs such as liver, parotid gland, brain, and testicles. This study aimed to evaluate the protective effect of melatonin against the radiation at various doses and rates administered to the lung tissue of healthy mice. METHODS This study was a randomized case-control study conducted with 80 rats comprising 10 groups with eight animals per group. Of the 10 groups, first is the control group, which is not given any melatonin, and second is the group that does not receive RT, which is given only melatonin, and the other eight groups are RT groups, four with melatonin and four without melatonin. RESULTS There was no statistical difference in terms of histopathological findings in the lung tissue between the second group, which did not receive radiotherapy and received only melatonin, and the control group. Lung damage due to radiotherapy was statistically significantly higher in the groups that did not receive melatonin compared to the groups that received melatonin. CONCLUSIONS This study revealed that melatonin has a protective effect against the cytotoxic damage of RT in rats receiving RT.
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Affiliation(s)
- Zuhal Özer Simsek
- Department of Chest Intensive Care Unit, Kayseri City Hospitals, Kayseri, Turkey
| | - Serhat Aras
- Department of Radiation Oncology, Haydarpasa Numune Training and Research Hospital, University of Health Sciences Turkey, Istanbul, Turkey
| | - Makbule Cikrikcioglu
- Department of Pathology, Haydarpasa Numune Training and Research Hospital, University of Health Sciences Turkey, Istanbul, Turkey
| | - Kursad Nuri Baydili
- Department of Biostatistics, University of Health Sciences Turkey, Istanbul, Turkey
| | - Mustafa Cortuk
- Department of Chest Diseases, Health Science University Yedikule Chest Diseases and Thoracic Surgery Hospital, İstanbul, Turkey
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Guo X, Huang T, Xu Y, Zhao J, Huang Y, Zhou Z, Xing B, Li Y, Meng S, Chen X, Yu L, Wang H. Early inhibition of the ATM/p53 pathway reduces the susceptibility to atrial fibrillation and atrial remodeling following acute myocardial infarction. Cell Signal 2024; 122:111322. [PMID: 39067835 DOI: 10.1016/j.cellsig.2024.111322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 07/21/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Atrial fibrillation (AF) emerges as a critical complication following acute myocardial infarction (AMI) and is associated with a significant increased risk of heart failure, stroke and mortality. Ataxia telangiectasia mutated (ATM), a key player in DNA damage repair (DDR), has been implicated in multiple cardiovascular conditions, however, its involvement in the development of AF following AMI remains unexplored. This study seeks to clarify the contribution of the ATM/p53 pathway in the onset of AF post-AMI and to investigate the underlying mechanisms. The rat model of AMI was established by ligating left anterior descending coronary artery in the presence or absence of Ku55933 (an ATM kinase inhibitor, 5 mg/kg/d) treatment. Rats receiving Ku55933 were further divided into the early administration group (administered on days 1, 2, 4, and 7 post-AMI) and the late administration group (administered on days 8, 9, 11 and 14 post-AMI). RNA-sequencing was performed 14 days post-operation. In vitro, H2O2-challenged HL-1 atrial muscle cells were utilized to evaluate the potential effects of different ATM inhibition schemes, including earlier, middle, and late periods of intervention. Fourteen days post-AMI injury, the animals exhibited significantly increased AF inducibility, exacerbated atrial electrical/structural remodeling, reduced ventricular function and exacerbated atrial DNA damage, as evidenced by enhanced ATM/p53 signaling as well as γH2AX level. These effects were partially consistent with the enrichment results of bioinformatics analysis. Notably, the deleterious effects were ameliorated by early, but not late, administration of Ku55933. Mechanistically, inhibition of ATM signaling successfully suppressed atrial NLRP3 inflammasome-mediated pyroptotic pathway. Additionally, the results were validated in the in vitro experiments demonstrating that early inhibition of Ku55933 not only attenuated cellular ATM/p53 signaling, but also mitigated inflammatory response by reducing NLRP3 activation. Collectively, hyperactivation of ATM/p53 contributed to the pathogenesis of AF following AMI. Early intervention with ATM inhibitors substantially mitigated AF susceptibility and atrial electrical/structural remodeling, highlighting a novel therapeutic avenue against cardiac arrhythmia following AMI.
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Affiliation(s)
- Xiaodong Guo
- Graduate School of Dalian Medical University, Dalian 116000, Liaoning Province, China; State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Tao Huang
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Yinli Xu
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Jikai Zhao
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Yuting Huang
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Zijun Zhou
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Bo Xing
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Yao Li
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Shan Meng
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Xin Chen
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China
| | - Liming Yu
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China.
| | - Huishan Wang
- Graduate School of Dalian Medical University, Dalian 116000, Liaoning Province, China; State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, Liaoning Province, China.
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Kamaliyan Z, Clarke TL. Zinc finger proteins: guardians of genome stability. Front Cell Dev Biol 2024; 12:1448789. [PMID: 39119040 PMCID: PMC11306022 DOI: 10.3389/fcell.2024.1448789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Accepted: 07/08/2024] [Indexed: 08/10/2024] Open
Abstract
Zinc finger proteins (ZNF), a unique yet diverse group of proteins, play pivotal roles in fundamental cellular mechanisms including transcription regulation, chromatin remodeling, protein/RNA homeostasis, and DNA repair. Consequently, the mis regulation of ZNF proteins can result in a variety of human diseases, ranging from neurodevelopmental disorders to several cancers. Considering the promising results of DNA damage repair (DDR) inhibition in the clinic, as a therapeutic strategy for patients with homologous recombination (HR) deficiency, identifying other potential targetable DDR proteins as emerged vulnerabilities in resistant tumor cells is essential, especially when considering the burden of acquired drug resistance. Importantly, there are a growing number of studies identifying new ZNFs and revealing their significance in several DDR pathways, highlighting their great potential as new targets for DDR-inhibition therapy. Although, there are still many uncharacterized ZNF-containing proteins with unknown biological function. In this review, we highlight the major classes and observed biological functions of ZNF proteins in mammalian cells. We briefly introduce well-known and newly discovered ZNFs and describe their molecular roles and contributions to human health and disease, especially cancer. Finally, we discuss the significance of ZNFs in DNA repair mechanisms, their potential in cancer therapy and advances in exploiting ZNF proteins as future therapeutic targets for human disease.
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Affiliation(s)
| | - Thomas L. Clarke
- Department of Pathology and Laboratory Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, United States
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Nie Y, Yan J, Huang X, Jiang T, Zhang S, Zhang G. Dihydrotanshinone I targets ESR1 to induce DNA double-strand breaks and proliferation inhibition in hepatocellular carcinoma. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155767. [PMID: 38833789 DOI: 10.1016/j.phymed.2024.155767] [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: 12/24/2023] [Revised: 02/28/2024] [Accepted: 03/28/2024] [Indexed: 06/06/2024]
Abstract
BACKGROUND Due to its high incidence and elevated mortality, hepatocellular carcinoma (HCC) has emerged as a formidable global healthcare challenge. The intricate interplay between gender-specific disparities in both incidence and clinical outcomes has prompted a progressive recognition of the substantial influence exerted by estrogen and its corresponding receptors (ERs) upon HCC pathogenesis. Estrogen replacement therapy (ERT) emerged for the treatment of HCC by administering exogenous estrogen. However, the powerful side effects of estrogen, including the promotion of breast cancer and infertility, hinder the further application of ERT. Identifying effective therapeutic targets for estrogen and screening bioactive ingredients without E2-like side effects is of great significance for optimizing HCC ERT. METHODS In this study, we employed an integrative approach, harnessing data from the Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) databases, clinical paraffin sections, adenoviral constructs as well as in vivo studies, to unveil the association between estrogen, estrogen receptor α (ESR1) and HCC. Leveraging methodologies encompassing molecular dynamics simulation and cellular thermal shift assay (CETSA) were used to confirm whether ESR1 is a molecular target of DHT. Multiple in vitro and in vivo experiments were used to identify whether i) ESR1 is a crucial gene that promotes DNA double-strand breaks (DSBs) and proliferation inhibition in HCC, ii) Dihydrotanshinone I (DHT), a quinonoid monomeric constituent derived from Salvia miltiorrhiza (Dan shen) exerts anti-HCC effects by regulating ESR1 and subsequent DSBs, iii) DHT has the potential to replace E2. RESULTS DHT could target ESR1 and upregulate its expression in a concentration-dependent manner. This, in turn, leads to the downregulation of breast cancer type 1 susceptibility protein (BRCA1), a pivotal protein involved in the homologous recombination repair (HRR) process. The consequence of this downregulation is manifested through the induction of DSBs in HCC, subsequently precipitating a cascade of downstream events, including apoptosis and cell cycle arrest. Of particular significance is the comparative assessment of DHT and isodose estradiol treatments, which underscores DHT's excellent HCC-suppressive efficacy without concomitant perturbation of endogenous sex hormone homeostasis. CONCLUSION Our findings not only confirm ESR1 as a therapeutic target in HCC management but also underscores DHT's role in upregulating ESR1 expression, thereby impeding the proliferation and invasive tendencies of HCC. In addition, we preliminarily identified DHT has the potential to emerge as an agent in optimizing HCC ERT through the substitution of E2.
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Affiliation(s)
- Yunmeng Nie
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310000, China
| | - Junbin Yan
- The Second Affiliated Hospital of Zhejiang Chinese Medical University (The Xin Hua Hospital of Zhejiang Province), No. 318 Chaowang Road, Hangzhou, Zhejiang 310000, China
| | - Xueru Huang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310000, China
| | - Tao Jiang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310000, China
| | - Shuo Zhang
- The Second Affiliated Hospital of Zhejiang Chinese Medical University (The Xin Hua Hospital of Zhejiang Province), No. 318 Chaowang Road, Hangzhou, Zhejiang 310000, China; Key Laboratory of Traditional Chinese Medicine for the treatment of Intestine-Liver of Zhejiang Province, Hangzhou 310000, China.
| | - Guangji Zhang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310000, China; Key Laboratory of Blood-Stasis-Toxin Syndrome of Zhejiang Province, Hangzhou, Zhejiang 310053, China; Traditional Chinese Medicine 'Preventing Disease' Wisdom Health Project Research Center of Zhejiang, Hangzhou 310053, China.
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Liu Z, Jiang K, Liu Y, Li J, Huang S, Li P, Xu L, Xu X, Hu X, Zeng X, Huang Z, Zhou Y, Li J, Long K, Wang M. Discovery of Preclinical Candidate AD1058 as a Highly Potent, Selective, and Brain-Penetrant ATR Inhibitor for the Treatment of Advanced Malignancies. J Med Chem 2024. [PMID: 39053006 DOI: 10.1021/acs.jmedchem.4c00734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
The ataxia telangiectasia-mutated and Rad3-related protein (ATR) plays a crucial role in regulating the cellular DNA-damage response (DDR), making it a promising target for antitumor drug development through synthetic lethality. In this study, we present the discovery and detailed characterization of AD1058, a highly potent and selective ATR inhibitor, with good preclinical pharmacokinetic profiles. AD1058 exhibits superior efficacy in inhibiting cell proliferation, disrupting the cell cycle, and inducing apoptosis compared to AZD6738. AD1058 displays potent antitumor effects as a single agent or in combination with clinically approved tumor therapies such as PARP inhibitors, ionizing radiotherapy, or chemotherapy in vivo. Considering its enhanced ability to permeate the blood-brain barrier, AD1058 is a promising clinical candidate for the treatment of brain metastases and leptomeningeal metastases in solid tumors. Additionally, among reported ATR inhibitors, AD1058 features the shortest synthesis route and the highest efficiency to date.
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Affiliation(s)
- Zhi Liu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Kailong Jiang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Yan Liu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junfei Li
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Siqi Huang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Ping Li
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Lei Xu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Xiaomin Xu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Xiaobei Hu
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xia Zeng
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Zehui Huang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Yubo Zhou
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jia Li
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Kai Long
- Shanghai Annova Biotechnology Co., Ltd., Shanghai 201203, China
| | - Mingliang Wang
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
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Han H, Jang SH, Ahn JK, Lee CY. DNA repair-retarded isothermal CRISPR amplification for rapid, sensitive base excision repair enzyme assay. Anal Chim Acta 2024; 1314:342799. [PMID: 38876521 DOI: 10.1016/j.aca.2024.342799] [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: 03/08/2024] [Revised: 05/05/2024] [Accepted: 05/29/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND As a core enzyme in the base excision repair system, uracil DNA glycosylase (UDG) is indispensable in maintaining genomic integrity and normal cell cycles. Its abnormal activity intervenes in cancers and neurodegerative diseases. Previous UDG assays based on isothermal amplification and Clustered Regularly Interspaced Short Palindromic Repeats/Cas (CRISPR/Cas) system were fine in sensitivity, but exposed to complications in assay flow, time, and probe design. After isothermal amplification, a CRISPR/Cas reagent should be separately added with extra manual steps and its guide RNA (gRNA) should be designed, considering the presence of protospacer adjacent motif (PAM) site. RESULTS We herein describe a UDG-REtarded CRISPR Amplification assay, termed 'URECA'. In URECA, isothermal nucleic acid (NA) amplification and CRISPR/Cas12a system were tightly combined to constitute a one-pot, isothermal CRISPR amplification system. Isothermal NA amplification for a UDG substrate (US) with uracil (U) bases was designed to activate and boost CRISPR/Cas12a reaction. Such scheme enabled us to envision that UDG would halt the isothermal CRISPR amplification reaction by excising U bases and messing up the US. Based on this principle, the assay detected the UDG activity down to 9.17 x 10-4 U/mL in 50 min. With URECA, we fulfilled the recovery test of UDG activities in plasma and urine with high precision and reproducibility and reliably determined UDG activities in cell extracts. Also, we verified its capability to screen candidate UDG inhibitors, showing its potentials in practical application as well as drug discovery. SIGNIFICANCE URECA offers further merits: i) the assay is seamless. Following target recognition, the reactions proceed in one-step without any intervening steps, ii) probe design is simple. Unlike the conventional CRISPR/Cas12a-based assays, URECA does not consider the PAM site in probe design as Cas12a activation relies on instantaneous gRNA binding to single-stranded DNA strands. By rationally designing an enzyme substrate probe to be specific to other enzymes, while keeping a role as a template for isothermal CRISPR amplification, the detection principle of URECA will be expanded to devise biosensors for various enzymes of biological, clinical significance.
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Affiliation(s)
- Hyogu Han
- User Convenience Technology R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, 15588, South Korea; Department of Chemistry, Gangneung-Wonju National University, Gangneung, 25457, South Korea
| | - Se Hee Jang
- User Convenience Technology R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, 15588, South Korea; Department of Medical Device Engineering and Management, College of Medicine, Yonsei University, Seoul 03722, South Korea
| | - Jun Ki Ahn
- User Convenience Technology R&D Department, Korea Institute of Industrial Technology (KITECH), Ansan, 15588, South Korea.
| | - Chang Yeol Lee
- Bionanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, South Korea.
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Niu Q, Zhou C, Li R, Guo J, Qiao S, Chen XX, Zhang G. Proteomic analysis reveals the antiviral effects of baicalin on pseudorabies virus. Int J Biol Macromol 2024; 277:134149. [PMID: 39059539 DOI: 10.1016/j.ijbiomac.2024.134149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/28/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Pseudorabies virus (PRV) poses a significant threat to livestock and even humans. Baicalin, a bioactive flavonoid glycoside with medicinal potential, has been reported to have various biological activities. However, its inhibitory effect on PRV remains poorly understood. In this study, we proved that baicalin effectively inhibits PRV infection. Proteomic analysis revealed that baicalin reduces the expression of 14 viral proteins, which are associated with virus replication, release and immune evasion. Furthermore, the abundance of 116 host proteins was altered by PRV infection, but restored to normal levels after treatment with baicalin. Pathway analysis indicated that baicalin mitigates reactive oxygen species (ROS) and suppresses abnormal mitochondrion by reducing the expression of NFU1 iron‑sulfur cluster scaffold homolog (NFU1) protein induced by PRV. Notably, baicalin also activates the complete coagulation cascade by increasing the expression of coagulation factor III (F3) protein and enhances nucleoplasm by upregulating the expression of solute carrier family 3 member 2 (SLC3A2) and CCAAT enhancer binding protein beta (CEBPB) proteins, contributing to its inhibitory effects on PRV. Our findings implied that baicalin has the potential to be developed as an anti-PRV drug and provide insights into the underlying molecular basis.
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Affiliation(s)
- Qiaoge Niu
- College of Veterinary Medicine, Jilin University, Changchun, China; Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China
| | - Chuanjie Zhou
- Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China
| | - Rui Li
- Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China
| | - Junqing Guo
- Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China
| | - Songlin Qiao
- Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China
| | - Xin-Xin Chen
- Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China.
| | - Gaiping Zhang
- College of Veterinary Medicine, Jilin University, Changchun, China; Institute for Animal Health, Henan Academy of Agricultural Sciences, Key Laboratory of Animal Immunology of the Ministry of Agriculture, Zhengzhou, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, Nanjing, China.
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Xiong J, Deng C, Fu Y, Tang J, Xie J, Chen Y. Prognostic and Potential Therapeutic Roles of PRKDC Expression in Lung Cancer. Mol Biotechnol 2024:10.1007/s12033-024-01209-3. [PMID: 39044064 DOI: 10.1007/s12033-024-01209-3] [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: 11/27/2023] [Accepted: 05/06/2024] [Indexed: 07/25/2024]
Abstract
PRKDC is a key factor involved in the ligation step of the non-homologous end joining pathway. Its dysfunction has proven to be a biomarker for radiosensitivity of cancer cells. However, the prognostic value of PRKDC and its underlying mechanisms have not been clarified yet. In this study, we found that PRKDC overexpressed in lung adenocarcinoma (LUAD) and is significantly related to unfavorable survival, while downregulation of PRKDC is link to inflamed tumor immune signature. Our further in vitro results also showed a potent antitumor efficacy of PRKDC inhibitors alone or combined with cisplatin in human lung cancer cells. This study demonstrated that PRKDC is a potential prognostic biomarker, immunotherapy target, and promising combination candidate for chemotherapy for lung cancer, and highlighted the potential of PRKDC-targeted inhibitors for the treatment of lung cancer.
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Affiliation(s)
- Jiani Xiong
- Department of Medical Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China
- Cancer Bio-immunotherapy Center, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China
| | - Cuimin Deng
- Department of Pharmacy, QuanZhou Women's and Children's Hospital, Quanzhou, Fujian Province, People's Republic of China
| | - YunRong Fu
- Department of Pharmacology, College of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Jingji Tang
- Department of Medical Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China
- Cancer Bio-immunotherapy Center, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China
| | - Jieming Xie
- Department of Pharmacology, College of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.
| | - Yu Chen
- Department of Medical Oncology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China.
- Cancer Bio-immunotherapy Center, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian Province, China.
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Palek M, Palkova N, Kleiblova P, Kleibl Z, Macurek L. RAD18 directs DNA double-strand break repair by homologous recombination to post-replicative chromatin. Nucleic Acids Res 2024; 52:7687-7703. [PMID: 38884202 PMCID: PMC11260465 DOI: 10.1093/nar/gkae499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 05/21/2024] [Accepted: 06/05/2024] [Indexed: 06/18/2024] Open
Abstract
RAD18 is an E3 ubiquitin ligase that prevents replication fork collapse by promoting DNA translesion synthesis and template switching. Besides this classical role, RAD18 has been implicated in homologous recombination; however, this function is incompletely understood. Here, we show that RAD18 is recruited to DNA lesions by monoubiquitination of histone H2A at K15 and counteracts accumulation of 53BP1. Super-resolution microscopy revealed that RAD18 localizes to the proximity of DNA double strand breaks and limits the distribution of 53BP1 to the peripheral chromatin nanodomains. Whereas auto-ubiquitination of RAD18 mediated by RAD6 inhibits its recruitment to DNA breaks, interaction with SLF1 promotes RAD18 accumulation at DNA breaks in the post-replicative chromatin by recognition of histone H4K20me0. Surprisingly, suppression of 53BP1 function by RAD18 is not involved in homologous recombination and rather leads to reduction of non-homologous end joining. Instead, we provide evidence that RAD18 promotes HR repair by recruiting the SMC5/6 complex to DNA breaks. Finally, we identified several new loss-of-function mutations in RAD18 in cancer patients suggesting that RAD18 could be involved in cancer development.
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Affiliation(s)
- Matous Palek
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague CZ-14220, Czech Republic
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Natalie Palkova
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague CZ-14220, Czech Republic
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Petra Kleiblova
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Zdenek Kleibl
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Libor Macurek
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague CZ-14220, Czech Republic
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Li K, Wang H, Jiang B, Jin X. TRIM28 in cancer and cancer therapy. Front Genet 2024; 15:1431564. [PMID: 39100077 PMCID: PMC11294089 DOI: 10.3389/fgene.2024.1431564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Accepted: 07/01/2024] [Indexed: 08/06/2024] Open
Abstract
TRIM28 (tripartite motif protein 28) was initially believed to be a transcription inhibitor that plays an important role in DNA damage repair (DDR) and in maintaining cancer cellular stemness. As research has continued to deepen, several studies have found that TRIM28 not only has ubiquitin E3 ligase activity to promote degradation of substrates, but also can promote SUMOylation of substrates. Although TRIM28 is highly expressed in various cancer tissues and has oncogenic effects, there are still a few studies indicating that TRIM28 has certain anticancer effects. Additionally, TRIM28 is subject to complex upstream regulation. In this review, we have elaborated on the structure and regulation of TRIM28. At the same time, highlighting the functional role of TRIM28 in tumor development and emphasizing its impact on cancer treatment provides a new direction for future clinical antitumor treatment.
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Affiliation(s)
- Kailang Li
- Department of Oncology and Hematology, Beilun District People’s Hospital, Ningbo, China
| | - Haifeng Wang
- Department of Oncology and Hematology, Beilun District People’s Hospital, Ningbo, China
| | - Bitao Jiang
- Department of Oncology and Hematology, Beilun District People’s Hospital, Ningbo, China
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathphysiology, Medical School of Ningbo University, Ningbo, China
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Song H, Kostrhunova H, Cervinka J, Macpherson J, Malina J, Rajan T, Phillips R, Postings M, Shepherd S, Zhang X, Brabec V, Rogers NJ, Scott P. Dicobalt(ii) helices kill colon cancer cells via enantiomer-specific mechanisms; DNA damage or microtubule disruption. Chem Sci 2024; 15:11029-11037. [PMID: 39027295 PMCID: PMC11253168 DOI: 10.1039/d4sc02541e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 06/14/2024] [Indexed: 07/20/2024] Open
Abstract
Highly diastereoselective self-assembly reactions give both enantiomers (Λ and Δ) of anti-parallel triple-stranded bimetallic Co(ii) and Co(iii) cationic helices, without the need for resolution; the first such reaction for Co. The complexes are water soluble and stable, even in the case of Co(ii). Studies in a range of cancer and healthy cell lines indicate high activity and selectivity, and substantial differences between enantiomers. The oxidation state has little effect, and correspondingly, Co(iii) compounds are reduced to Co(ii) e.g. by glutathione. In HCT116 colon cancer cells the Λ enantiomer induces dose-dependent G2-M arrest in the cell cycle and disrupts microtubule architectures. This Co(ii) Λ enantiomer is ca. five times more potent than the isostructural Fe(ii) compound. Since the measured cellular uptakes are similar this implies a higher affinity of the Co system for the intracellular target(s); while the two systems are isostructural they have substantially different charge distributions as shown by calculated hydrophobicity maps. In contrast to the Λ enantiomer, Δ-Co(ii) induces G1 arrest in HCT116 cells, efficiently inhibits the topoisomerase I-catalyzed relaxation of supercoiled plasmid DNA, and, unlike the isostructural Fe(ii) system, causes DNA damage. It thus seems very likely that redox chemistry plays a role in the latter.
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Affiliation(s)
- Hualong Song
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Centre of Endogenous Prophylactic of Ministry of Education of China, School of Pharmaceutical Sciences, Capital Medical University Beijing 100069 China
- Department of Chemistry, University of Warwick Coventry CV4 7AL UK
| | - Hana Kostrhunova
- Czech Academy of Sciences, Institute of Biophysics Brno Czech Republic
| | - Jakub Cervinka
- Czech Academy of Sciences, Institute of Biophysics Brno Czech Republic
- Faculty of Science, Department of Biochemistry, Masaryk University Brno Czech Republic
| | - Julie Macpherson
- Department of Chemistry, University of Warwick Coventry CV4 7AL UK
| | - Jaroslav Malina
- Czech Academy of Sciences, Institute of Biophysics Brno Czech Republic
| | - Teena Rajan
- Department of Chemistry, University of Warwick Coventry CV4 7AL UK
| | - Roger Phillips
- Department of Pharmacy, University of Huddersfield Huddersfield HD1 3DH UK
| | - Miles Postings
- Department of Chemistry, University of Warwick Coventry CV4 7AL UK
| | - Samantha Shepherd
- Department of Pharmacy, University of Huddersfield Huddersfield HD1 3DH UK
| | - Xuejian Zhang
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 China
| | - Viktor Brabec
- Czech Academy of Sciences, Institute of Biophysics Brno Czech Republic
- Department of Biophysics, Palacky University Olomouc Czech Republic
| | - Nicola J Rogers
- Department of Chemistry, Hong Kong Baptist University Kowloon Tong Hong Kong SAR China
| | - Peter Scott
- Department of Chemistry, University of Warwick Coventry CV4 7AL UK
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Lee JH. Oxidative stress and the multifaceted roles of ATM in maintaining cellular redox homeostasis. Redox Biol 2024; 75:103269. [PMID: 39018798 DOI: 10.1016/j.redox.2024.103269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 07/12/2024] [Accepted: 07/13/2024] [Indexed: 07/19/2024] Open
Abstract
The ataxia telangiectasia mutated (ATM) protein kinase is best known as a master regulator of the DNA damage response. However, accumulating evidence has unveiled an equally vital function for ATM in sensing oxidative stress and orchestrating cellular antioxidant defenses to maintain redox homeostasis. ATM can be activated through a non-canonical pathway involving intermolecular disulfide crosslinking of the kinase dimers, distinct from its canonical activation by DNA double-strand breaks. Structural studies have elucidated the conformational changes that allow ATM to switch into an active redox-sensing state upon oxidation. Notably, loss of ATM function results in elevated reactive oxygen species (ROS) levels, altered antioxidant profiles, and mitochondrial dysfunction across multiple cell types and tissues. This oxidative stress arising from ATM deficiency has been implicated as a central driver of the neurodegenerative phenotypes in ataxia-telangiectasia (A-T) patients, potentially through mechanisms involving oxidative DNA damage, PARP hyperactivation, and widespread protein aggregation. Moreover, defective ATM oxidation sensing disrupts transcriptional programs and RNA metabolism, with detrimental impacts on neuronal homeostasis. Significantly, antioxidant therapy can ameliorate cellular and organismal abnormalities in various ATM-deficient models. This review synthesizes recent advances illuminating the multifaceted roles of ATM in preserving redox balance and mitigating oxidative insults, providing a unifying paradigm for understanding the complex pathogenesis of A-T disease.
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Affiliation(s)
- Ji-Hoon Lee
- Department of Biological Sciences, Research Center of Ecomimetics, Chonnam National University, Gwangju, 61186, Republic of Korea.
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Botêlho de Araújo CB, Alves de Mendonça S, de Lima Viana D, da Fontoura Martins M, Costa PG, Bianchini A, Vasconcelos de Oliveira PG, Torres RA, Vieira Hazin FH, Adam ML. Effects of blood metal(loid) concentrations on genomic damages in sharks. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 359:124569. [PMID: 39025294 DOI: 10.1016/j.envpol.2024.124569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 07/05/2024] [Accepted: 07/16/2024] [Indexed: 07/20/2024]
Abstract
The use of effect biomarkers has contributed to the understanding of the sublethal effects of contaminants on different organisms. However, the analysis of genotoxic markers as an indicator of organism and environmental health in sharks is underexplored. Thus, the present study investigated the relationship between the genomic damage frequency in erythrocytes and metal(loid) concentrations in whole blood of three shark species (Galeocerdo cuvier, Negaprion brevirostris and Ginglymostoma cirratum), taking into account climatic seasonality. The results showed that G. cuvier, an apex predator, presented the highest total erythrocyte genomic damage frequencies together with the highest mean whole blood concentrations of Al, Cd, Cr, Fe, Mn, Ni, Pb and Zn. The shark N. brevirostris also presented high levels of metal(loid), indicating a greater susceptibility to these contaminants in species that preferentially feed on fish. In contrast, G. cirratum, a mesopredator, presented the lowest erythrocyte damage frequencies and whole blood metal(loid) concentrations. The presence of micronuclei was the most responsive biomarker, and Al, As and Zn had an important effect on the genomic damage frequencies for all species evaluated. Zn concentration influenced the binucleated cells frequencies and Al concentration had an effect on the total damage and micronuclei frequencies in G. cuvier and N. brevirostris. Binucleated cells and blebbed nuclei frequencies were affected by As concentration, especially in G. cirratum, while showing a strong and positive correlation with most of the metals analyzed. Nonetheless, baseline levels of metal(loid) blood concentrations and erythrocyte genomic damage frequencies in sharks have not yet been established. Therefore, minimum risk levels of blood contaminants concentrations on the health of these animals have also not been determined. However, the high genomic instability observed in sharks is of concern considering the current health status of these animals, as well as the quality of the environment studied.
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Affiliation(s)
- Camila Brasilino Botêlho de Araújo
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil; Evolutionary and Environmental Genomics Laboratory, Federal Technological University of Paraná, Av. dos Pioneiros, 3131, Jardim Morumbi, 86036-370, Londrina, Paraná, Brazil.
| | - Sibele Alves de Mendonça
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Danielle de Lima Viana
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Mariana da Fontoura Martins
- Institute of Biological Sciences, Federal University of Rio Grande, Avenida Itália, km 8, 96203-900, Rio Grande, Rio Grande do Sul, Brazil.
| | - Patrícia Gomes Costa
- Institute of Biological Sciences, Federal University of Rio Grande, Avenida Itália, km 8, 96203-900, Rio Grande, Rio Grande do Sul, Brazil.
| | - Adalto Bianchini
- Institute of Biological Sciences, Federal University of Rio Grande, Avenida Itália, km 8, 96203-900, Rio Grande, Rio Grande do Sul, Brazil.
| | - Paulo Guilherme Vasconcelos de Oliveira
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Rodrigo Augusto Torres
- Evolutionary and Environmental Genomics Laboratory, Federal Technological University of Paraná, Av. dos Pioneiros, 3131, Jardim Morumbi, 86036-370, Londrina, Paraná, Brazil.
| | - Fábio Hissa Vieira Hazin
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Mônica Lúcia Adam
- Evolutionary and Environmental Genomics Laboratory, Federal Technological University of Paraná, Av. dos Pioneiros, 3131, Jardim Morumbi, 86036-370, Londrina, Paraná, Brazil.
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40
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Chen X, Chen C, Luo C, Liu J, Lin Z. Discovery of UMI-77 as a novel Ku70/80 inhibitor sensitizing cancer cells to DNA damaging agents in vitro and in vivo. Eur J Pharmacol 2024; 975:176647. [PMID: 38754534 DOI: 10.1016/j.ejphar.2024.176647] [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: 12/15/2023] [Revised: 05/14/2024] [Accepted: 05/14/2024] [Indexed: 05/18/2024]
Abstract
The emergence of chemoresistance poses a significant challenge to the efficacy of DNA-damaging agents in cancer treatment, in part due to the inherent DNA repair capabilities of cancer cells. The Ku70/80 protein complex (Ku) plays a central role in double-strand breaks (DSBs) repair through the classical non-homologous end joining (c-NHEJ) pathway, and has proven to be one of the most promising drug target for cancer treatment when combined with radiotherapy or chemotherapy. In this study, we conducted a high-throughput screening of small-molecule inhibitors targeting the Ku complex by using a fluorescence polarization-based DNA binding assay. From a library of 11,745 small molecules, UMI-77 was identified as a potent Ku inhibitor, with an IC50 value of 2.3 μM. Surface plasmon resonance and molecular docking analyses revealed that UMI-77 directly bound the inner side of Ku ring, thereby disrupting Ku binding with DNA. In addition, UMI-77 also displayed potent inhibition against MUS81-EME1, a key player in homologous recombination (HR), demonstrating its potential for blocking both NHEJ- and HR-mediated DSB repair pathways. Further cell-based studies showed that UMI-77 could impair bleomycin-induced DNA damage repair, and significantly sensitized multiple cancer cell lines to the DNA-damaging agents. Finally, in a mouse xenograft tumor model, UMI-77 significantly enhanced the chemotherapeutic efficacy of etoposide with little adverse physiological effects. Our work offers a new avenue to combat chemoresistance in cancer treatment, and suggests that UMI-77 could be further developed as a promising candidate in cancer treatment.
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Affiliation(s)
- Xuening Chen
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Changkun Chen
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Chengmiao Luo
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Jianyong Liu
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Zhonghui Lin
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China.
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41
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Li X, Zou L. BRCAness, DNA gaps, and gain and loss of PARP inhibitor-induced synthetic lethality. J Clin Invest 2024; 134:e181062. [PMID: 39007266 PMCID: PMC11245158 DOI: 10.1172/jci181062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024] Open
Abstract
Mutations in the tumor-suppressor genes BRCA1 and BRCA2 resulting in BRCA1/2 deficiency are frequently identified in breast, ovarian, prostate, pancreatic, and other cancers. Poly(ADP-ribose) polymerase (PARP) inhibitors (PARPis) selectively kill BRCA1/2-deficient cancer cells by inducing synthetic lethality, providing an effective biomarker-guided strategy for targeted cancer therapy. However, a substantial fraction of cancer patients carrying BRCA1/2 mutations do not respond to PARPis, and most patients develop resistance to PARPis over time, highlighting a major obstacle to PARPi therapy in the clinic. Recent studies have revealed that changes of specific functional defects of BRCA1/2-deficient cells, particularly their defects in suppressing and protecting single-stranded DNA gaps, contribute to the gain or loss of PARPi-induced synthetic lethality. These findings not only shed light on the mechanism of action of PARPis, but also lead to revised models that explain how PARPis selectively kill BRCA-deficient cancer cells. Furthermore, new mechanistic principles of PARPi sensitivity and resistance have emerged from these studies, generating potentially useful guidelines for predicting the PARPi response and design therapies for overcoming PARPi resistance. In this Review, we will discuss these recent studies and put them in context with the classic views of PARPi-induced synthetic lethality, aiming to stimulate the development of new therapeutic strategies to overcome PARPi resistance and improve PARPi therapy.
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42
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Mombeek LMM, Boesmans W, Wilson DM. Genomic stress in diseases stemming from defects in the second brain. Neurogastroenterol Motil 2024:e14860. [PMID: 39004995 DOI: 10.1111/nmo.14860] [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: 02/15/2024] [Revised: 06/04/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024]
Abstract
This review discusses the less-explored realm of DNA damage and repair within the enteric nervous system (ENS), often referred to as the "second brain." While the central nervous system has been extensively studied for its DNA repair mechanisms and associated neuropathologies, the ENS, which can autonomously coordinate gastrointestinal function, experiences unique challenges and vulnerabilities related to its genome integrity. The susceptibility of the ENS to DNA damage is exacerbated by its limited protective barriers, resulting in not only endogenous genotoxic exposures, such as oxidative stress, but also exogenous threats, such as ingested environmental contaminants, local inflammatory responses, and gut dysbiosis. Here, we discuss the evidence for DNA repair defects in enteric neuropathies, most notably, the reported relationship between inherited mutations in RAD21 and LIG3 with chronic intestinal pseudo-obstruction and mitochondrial gastrointestinal encephalomyopathy disorders, respectively. We also introduce the lesser-recognized gastrointestinal complications in DNA repair syndromes, including conditions like Cockayne syndrome. The review concludes by pointing out the potential role of DNA repair defects in not only congenital disorders but also aging-related gut dysfunction, as well as the crucial need for further research to establish direct causal links between DNA damage accumulation and ENS-specific pathologic phenotypes.
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Affiliation(s)
- Lobke Marie M Mombeek
- Faculty of Medicine and Life Sciences, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Werend Boesmans
- Faculty of Medicine and Life Sciences, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
- Department of Pathology, GROW Research Institute for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, The Netherlands
| | - David M Wilson
- Faculty of Medicine and Life Sciences, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
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Lim JKM, Samiei A, Delaidelli A, de Santis JO, Brinkmann V, Carnie CJ, Radiloff D, Hruby L, Kahler A, Cran J, Leprivier G, Sorensen PH. The eEF2 kinase coordinates the DNA damage response to cisplatin by supporting p53 activation. Cell Death Dis 2024; 15:501. [PMID: 39003251 PMCID: PMC11246425 DOI: 10.1038/s41419-024-06891-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/27/2024] [Accepted: 07/04/2024] [Indexed: 07/15/2024]
Abstract
Eukaryotic elongation factor 2 (eEF2) kinase (eEF2K) is a stress-responsive hub that inhibits the translation elongation factor eEF2, and consequently mRNA translation elongation, in response to hypoxia and nutrient deprivation. EEF2K is also involved in the response to DNA damage but its role in response to DNA crosslinks, as induced by cisplatin, is not known. Here we found that eEF2K is critical to mediate the cellular response to cisplatin. We uncovered that eEF2K deficient cells are more resistant to cisplatin treatment. Mechanistically, eEF2K deficiency blunts the activation of the DNA damage response associated ATM and ATR pathways, in turn preventing p53 activation and therefore compromising induction of cisplatin-induced apoptosis. We also report that loss of eEF2K delays the resolution of DNA damage triggered by cisplatin, suggesting that eEF2K contributes to DNA damage repair in response to cisplatin. In support of this, our data shows that eEF2K promotes the expression of the DNA repair protein ERCC1, critical for the repair of cisplatin-caused DNA damage. Finally, using Caenorhabditis elegans as an in vivo model, we find that deletion of efk-1, the worm eEF2K ortholog, mitigates the induction of germ cell death in response to cisplatin. Together, our data highlight that eEF2K represents an evolutionary conserved mediator of the DNA damage response to cisplatin which promotes p53 activation to induce cell death, or alternatively facilitates DNA repair, depending on the extent of DNA damage.
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Affiliation(s)
- Jonathan K M Lim
- Institute of Neuropathology, University Hospital Düsseldorf, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Arash Samiei
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Molecular Oncology, BC Cancer Research Institute, Vancouver, BC, Canada
| | - Alberto Delaidelli
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Molecular Oncology, BC Cancer Research Institute, Vancouver, BC, Canada
| | - Jessica Oliveira de Santis
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Molecular Oncology, BC Cancer Research Institute, Vancouver, BC, Canada
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Vanessa Brinkmann
- Institute of Toxicology, Heinrich Heine University, Düsseldorf, Germany
| | - Christopher J Carnie
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Molecular Oncology, BC Cancer Research Institute, Vancouver, BC, Canada
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Daniel Radiloff
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Molecular Oncology, BC Cancer Research Institute, Vancouver, BC, Canada
| | - Laura Hruby
- Institute of Neuropathology, University Hospital Düsseldorf, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Alisa Kahler
- Institute of Neuropathology, University Hospital Düsseldorf, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Jordan Cran
- Terry Fox Laboratory, BC Cancer Research Institute, Vancouver, BC, Canada
| | - Gabriel Leprivier
- Institute of Neuropathology, University Hospital Düsseldorf, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany.
| | - Poul H Sorensen
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada.
- Department of Molecular Oncology, BC Cancer Research Institute, Vancouver, BC, Canada.
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Toprani SM, Scheibler C, Mordukhovich I, McNeely E, Nagel ZD. Cosmic Ionizing Radiation: A DNA Damaging Agent That May Underly Excess Cancer in Flight Crews. Int J Mol Sci 2024; 25:7670. [PMID: 39062911 PMCID: PMC11277465 DOI: 10.3390/ijms25147670] [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: 06/04/2024] [Revised: 06/20/2024] [Accepted: 06/30/2024] [Indexed: 07/28/2024] Open
Abstract
In the United States, the Federal Aviation Administration has officially classified flight crews (FC) consisting of commercial pilots, cabin crew, or flight attendants as "radiation workers" since 1994 due to the potential for cosmic ionizing radiation (CIR) exposure at cruising altitudes originating from solar activity and galactic sources. Several epidemiological studies have documented elevated incidence and mortality for several cancers in FC, but it has not yet been possible to establish whether this is attributable to CIR. CIR and its constituents are known to cause a myriad of DNA lesions, which can lead to carcinogenesis unless DNA repair mechanisms remove them. But critical knowledge gaps exist with regard to the dosimetry of CIR, the role of other genotoxic exposures among FC, and whether possible biological mechanisms underlying higher cancer rates observed in FC exist. This review summarizes our understanding of the role of DNA damage and repair responses relevant to exposure to CIR in FC. We aimed to stimulate new research directions and provide information that will be useful for guiding regulatory, public health, and medical decision-making to protect and mitigate the risks for those who travel by air.
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Affiliation(s)
- Sneh M. Toprani
- John B. Little Center for Radiation Sciences, Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA;
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA; (C.S.); (I.M.); (E.M.)
| | - Christopher Scheibler
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA; (C.S.); (I.M.); (E.M.)
| | - Irina Mordukhovich
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA; (C.S.); (I.M.); (E.M.)
- Sustainability and Health Initiative (SHINE), Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Eileen McNeely
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA; (C.S.); (I.M.); (E.M.)
- Sustainability and Health Initiative (SHINE), Department of Environmental Health, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
| | - Zachary D. Nagel
- John B. Little Center for Radiation Sciences, Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA;
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA; (C.S.); (I.M.); (E.M.)
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Guo H, Han Y, Yao S, Chen B, Zhao H, Jia J, Chen S, Liu Y, Gao S, Guan H, Lu J, Zhou PK. Decrotonylation of cGAS K254 prompts homologous recombination repair by blocking its DNA binding and releasing PARP1. J Biol Chem 2024; 300:107554. [PMID: 39002667 DOI: 10.1016/j.jbc.2024.107554] [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: 02/02/2024] [Revised: 06/20/2024] [Accepted: 06/30/2024] [Indexed: 07/15/2024] Open
Abstract
Cyclic GMP-AMP synthase (cGAS), a cytosolic DNA sensor, also exhibits nuclear genomic localization and is involved in DNA damage signaling. In this study, we investigated the impact of cGAS crotonylation on the regulation of the DNA damage response, particularly homologous recombination repair, following exposure to ionizing radiation (IR). Lysine 254 of cGAS is constitutively crotonylated by the CREB-binding protein; however, IR-induced DNA damage triggers sirtuin 3 (SIRT3)-mediated decrotonylation. Lysine 254 decrotonylation decreased the DNA-binding affinity of cGAS and inhibited its interaction with PARP1, promoting homologous recombination repair. Moreover, SIRT3 suppression led to homologous recombination repair inhibition and markedly sensitized cancer cells to IR and DNA-damaging chemicals, highlighting SIRT3 as a potential target for cancer therapy. Overall, this study revealed the crucial role of cGAS crotonylation in the DNA damage response. Furthermore, we propose that modulating cGAS and SIRT3 activities could be potential strategies for cancer therapy.
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Affiliation(s)
- Hejiang Guo
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yang Han
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Shibo Yao
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Bijia Chen
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Hongling Zhao
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Jin Jia
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China; School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China
| | - Shi Chen
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China; School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China
| | - Yuhao Liu
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Shanshan Gao
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China
| | - Hua Guan
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China.
| | - Jun Lu
- Department of Medical Oncology, Beijing YouAn Hospital, Laboratory for Clinical Medicine, Capital Medical University, Beijing, China.
| | - Ping-Kun Zhou
- Department of Radiation Biology, Beijing Key Laboratory for Radiation Biology, Beijing Institute of Radiation Medicine, Beijing, China; School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan Province, China.
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Barnieh FM, Morais GR, Loadman PM, Falconer RA, El-Khamisy SF. Hypoxia-Responsive Prodrug of ATR Inhibitor, AZD6738, Selectively Eradicates Treatment-Resistant Cancer Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2403831. [PMID: 38976561 DOI: 10.1002/advs.202403831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/31/2024] [Indexed: 07/10/2024]
Abstract
Targeted therapy remains the future of anti-cancer drug development, owing to the lack of specificity of current treatments which lead to damage in healthy normal tissues. ATR inhibitors have in recent times demonstrated promising clinical potential, and are currently being evaluated in the clinic. However, despite the considerable optimism for clinical success of these inhibitors, reports of associated normal tissues toxicities remain a concern and can compromise their utility. Here, ICT10336 is reported, a newly developed hypoxia-responsive prodrug of ATR inhibitor, AZD6738, which is hypoxia-activated and specifically releases AZD6738 only in hypoxic conditions, in vitro. This hypoxia-selective release of AZD6738 inhibited ATR activation (T1989 and S428 phosphorylation) and subsequently abrogated HIF1a-mediated adaptation of hypoxic cancers cells, thus selectively inducing cell death in 2D and 3D cancer models. Importantly, in normal tissues, ICT10336 is demonstrated to be metabolically stable and less toxic to normal cells than its active parent agent, AZD6738. In addition, ICT10336 exhibited a superior and efficient multicellular penetration ability in 3D tumor models, and selectively eradicated cells at the hypoxic core compared to AZD6738. In summary, the preclinical data demonstrate a new strategy of tumor-targeted delivery of ATR inhibitors with significant potential of enhancing the therapeutic index.
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Affiliation(s)
- Francis M Barnieh
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Richmond Road, Bradford, BD7 1DP, United Kingdom
| | - Goreti Ribeiro Morais
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Richmond Road, Bradford, BD7 1DP, United Kingdom
| | - Paul M Loadman
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Richmond Road, Bradford, BD7 1DP, United Kingdom
| | - Robert A Falconer
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Richmond Road, Bradford, BD7 1DP, United Kingdom
| | - Sherif F El-Khamisy
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Richmond Road, Bradford, BD7 1DP, United Kingdom
- School of Biosciences, the Healthy Lifespan Institute and the Institute of Neuroscience, University of Sheffield, Sheffield, S10 2TN, United Kingdom
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Hegedus L, Toth A, Harami GM, Palinkas J, Karatayeva N, Sajben-Nagy E, Bene S, Afzali Jaktajdinani S, Kovacs M, Juhasz S, Burkovics P. Werner helicase interacting protein 1 contributes to G-quadruplex processing in human cells. Sci Rep 2024; 14:15740. [PMID: 38977862 PMCID: PMC11231340 DOI: 10.1038/s41598-024-66425-y] [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: 04/25/2024] [Accepted: 07/01/2024] [Indexed: 07/10/2024] Open
Abstract
Genome replication is frequently impeded by highly stable DNA secondary structures, including G-quadruplex (G4) DNA, that can hinder the progression of the replication fork. Human WRNIP1 (Werner helicase Interacting Protein 1) associates with various components of the replication machinery and plays a crucial role in genome maintenance processes. However, its detailed function is still not fully understood. Here we show that human WRNIP1 interacts with G4 structures and provide evidence for its contribution to G4 processing. The absence of WRNIP1 results in elevated levels of G4 structures, DNA damage and chromosome aberrations following treatment with PhenDC3, a G4-stabilizing ligand. Additionally, we establish a functional and physical relationship between WRNIP1 and the PIF1 helicase in G4 processing. In summary, our results suggest that WRNIP1 aids genome replication and maintenance by regulating G4 processing and this activity relies on Pif1 DNA helicase.
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Affiliation(s)
- Lili Hegedus
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary
| | - Agnes Toth
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary
- Doctoral School of Biology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Gabor M Harami
- ELTE-MTA Momentum Motor Enzymology Research Group, Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
- Laboratory of Single Molecule Biophysics, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Janos Palinkas
- ELTE-MTA Momentum Motor Enzymology Research Group, Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
| | - Nargis Karatayeva
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary
- Doctoral School of Biology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Eniko Sajben-Nagy
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary
| | - Szabolcs Bene
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary
| | - Sara Afzali Jaktajdinani
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary
- Doctoral School of Biology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Mihaly Kovacs
- ELTE-MTA Momentum Motor Enzymology Research Group, Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
- HUN-REN-ELTE Motor Pharmacology Research Group, Department of Biochemistry, Eötvös Loránd University, Budapest, Hungary
| | - Szilvia Juhasz
- HCEMM Cancer Microbiome Core Group, Szeged, Hungary.
- Institute of Biochemistry, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary.
| | - Peter Burkovics
- Institute of Genetics, Biological Research Centre, HUN-REN Szeged, Szeged, Hungary.
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48
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Wu M, Guan G, Yin H, Niu Q. A Review of the Bromodomain and Extraterminal Domain Epigenetic Reader Proteins: Function on Virus Infection and Cancer. Viruses 2024; 16:1096. [PMID: 39066258 PMCID: PMC11281655 DOI: 10.3390/v16071096] [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: 05/21/2024] [Revised: 06/28/2024] [Accepted: 07/03/2024] [Indexed: 07/28/2024] Open
Abstract
The BET (bromodomain and extraterminal domain) family of proteins, particularly BRD4 (bromodomain-containing protein 4), plays a crucial role in transcription regulation and epigenetic mechanisms, impacting key cellular processes such as proliferation, differentiation, and the DNA damage response. BRD4, the most studied member of this family, binds to acetylated lysines on both histones and non-histone proteins, thereby regulating gene expression and influencing diverse cellular functions such as the cell cycle, tumorigenesis, and immune responses to viral infections. Given BRD4's involvement in these fundamental processes, it is implicated in various diseases, including cancer and inflammation, making it a promising target for therapeutic development. This review comprehensively explores the roles of the BET family in gene transcription, DNA damage response, and viral infection, discussing the potential of targeted small-molecule compounds and highlighting BET proteins as promising candidates for anticancer therapy.
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Affiliation(s)
- Mengli Wu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730000, China; (M.W.); (G.G.); (H.Y.)
- African Swine Fever Regional Laboratory of China (Lanzhou), Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou 730046, China
| | - Guiquan Guan
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730000, China; (M.W.); (G.G.); (H.Y.)
- African Swine Fever Regional Laboratory of China (Lanzhou), Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou 730046, China
| | - Hong Yin
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730000, China; (M.W.); (G.G.); (H.Y.)
- African Swine Fever Regional Laboratory of China (Lanzhou), Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou 730046, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou 225009, China
| | - Qingli Niu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730000, China; (M.W.); (G.G.); (H.Y.)
- African Swine Fever Regional Laboratory of China (Lanzhou), Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou 730046, China
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Chu X, Tian W, Ning J, Xiao G, Zhou Y, Wang Z, Zhai Z, Tanzhu G, Yang J, Zhou R. Cancer stem cells: advances in knowledge and implications for cancer therapy. Signal Transduct Target Ther 2024; 9:170. [PMID: 38965243 PMCID: PMC11224386 DOI: 10.1038/s41392-024-01851-y] [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: 10/02/2023] [Revised: 03/27/2024] [Accepted: 04/28/2024] [Indexed: 07/06/2024] Open
Abstract
Cancer stem cells (CSCs), a small subset of cells in tumors that are characterized by self-renewal and continuous proliferation, lead to tumorigenesis, metastasis, and maintain tumor heterogeneity. Cancer continues to be a significant global disease burden. In the past, surgery, radiotherapy, and chemotherapy were the main cancer treatments. The technology of cancer treatments continues to develop and advance, and the emergence of targeted therapy, and immunotherapy provides more options for patients to a certain extent. However, the limitations of efficacy and treatment resistance are still inevitable. Our review begins with a brief introduction of the historical discoveries, original hypotheses, and pathways that regulate CSCs, such as WNT/β-Catenin, hedgehog, Notch, NF-κB, JAK/STAT, TGF-β, PI3K/AKT, PPAR pathway, and their crosstalk. We focus on the role of CSCs in various therapeutic outcomes and resistance, including how the treatments affect the content of CSCs and the alteration of related molecules, CSCs-mediated therapeutic resistance, and the clinical value of targeting CSCs in patients with refractory, progressed or advanced tumors. In summary, CSCs affect therapeutic efficacy, and the treatment method of targeting CSCs is still difficult to determine. Clarifying regulatory mechanisms and targeting biomarkers of CSCs is currently the mainstream idea.
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Affiliation(s)
- Xianjing Chu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Wentao Tian
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Jiaoyang Ning
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Gang Xiao
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yunqi Zhou
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Ziqi Wang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Zhuofan Zhai
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Guilong Tanzhu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China.
| | - Jie Yang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China.
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China.
| | - Rongrong Zhou
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China.
- Xiangya Lung Cancer Center, Xiangya Hospital, Central South University, Changsha, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China.
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50
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Pravin B, Nanaware V, Ashwini B, Wondmie GF, Jardan YAB, Bourhia M. Assessing the antioxidant properties of Naringin and Rutin and investigating their oxidative DNA damage effects in breast cancer. Sci Rep 2024; 14:15314. [PMID: 38961104 PMCID: PMC11222415 DOI: 10.1038/s41598-024-63498-7] [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: 11/16/2023] [Accepted: 05/29/2024] [Indexed: 07/05/2024] Open
Abstract
This work examines the capacity of Naringin and Rutin to influence the DNA damage response (DDR) pathway by investigating their interactions with key DDR proteins, including PARP-1, ATM, ATR, CHK1, and WEE1. Through a combination of in silico molecular docking and in vitro evaluations, we investigated the cytotoxic and genotoxic effects of these compounds on MDA-MB-231 cells, comparing them to normal human fibroblast cells (2DD) and quiescent fibroblast cells (QFC). The research found that Naringin and Rutin had strong affinities for DDR pathway proteins, indicating their capacity to specifically regulate DDR pathways in cancer cells. Both compounds exhibited preferential cytotoxicity towards cancer cells while preserving the vitality of normal 2DD fibroblast cells, as demonstrated by cytotoxicity experiments conducted at a dose of 10 µM. The comet experiments performed particularly on QFC cells provide valuable information on the genotoxic impact of Naringin and Rutin, highlighting the targeted initiation of DNA damage in cancer cells. The need to use precise cell models to appropriately evaluate toxicity and genotoxicity is emphasized by this discrepancy. In addition, ADMET and drug-likeness investigations have emphasized the pharmacological potential of these compounds; however, they have also pointed out the necessity for optimization to improve their therapeutic profiles. The antioxidant capabilities of Naringin and Rutin were assessed using DPPH and free radical scavenging assays at a concentration of 10 µM. The results confirmed that both compounds have a role in reducing oxidative stress, hence enhancing their anticancer effects. Overall, Naringin and Rutin show potential as medicines for modulating the DDR in cancer treatment. They exhibit selective toxicity towards cancer cells while sparing normal cells and possess strong antioxidant properties. This analysis enhances our understanding of the therapeutic uses of natural chemicals in cancer treatment, supporting the need for more research on their mechanisms of action and clinical effectiveness.
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Affiliation(s)
- Badhe Pravin
- Swalife Biotech Ltd Unit 3D North Point House, North Point Business Park, Cork, Ireland.
- Swalife Labs Ltd, Uxbridge, UK.
- Centre for Drug Discovery and Development, Sinhgad College of Pharmacy, Pune, India.
| | - Vivek Nanaware
- Swalife Biotech Ltd Unit 3D North Point House, North Point Business Park, Cork, Ireland
- Swalife Labs Ltd, Uxbridge, UK
| | - Badhe Ashwini
- Swalife Biotech Ltd Unit 3D North Point House, North Point Business Park, Cork, Ireland
- Swalife Labs Ltd, Uxbridge, UK
| | | | - Yousef A Bin Jardan
- Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 11451, Riyadh, Saudi Arabia
| | - Mohammed Bourhia
- Department of Chemistry and Biochemistry, Faculty of Medicine and Pharmacy, Ibn Zohr University, 70000, Laayoune, Morocco
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