1
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Piersma SR, Valles-Marti A, Rolfs F, Pham TV, Henneman AA, Jiménez CR. Inferring kinase activity from phosphoproteomic data: Tool comparison and recent applications. MASS SPECTROMETRY REVIEWS 2024; 43:725-751. [PMID: 36156810 DOI: 10.1002/mas.21808] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Aberrant cellular signaling pathways are a hallmark of cancer and other diseases. One of the most important signaling mechanisms involves protein phosphorylation/dephosphorylation. Protein phosphorylation is catalyzed by protein kinases, and over 530 protein kinases have been identified in the human genome. Aberrant kinase activity is one of the drivers of tumorigenesis and cancer progression and results in altered phosphorylation abundance of downstream substrates. Upstream kinase activity can be inferred from the global collection of phosphorylated substrates. Mass spectrometry-based phosphoproteomic experiments nowadays routinely allow identification and quantitation of >10k phosphosites per biological sample. This substrate phosphorylation footprint can be used to infer upstream kinase activities using tools like Kinase Substrate Enrichment Analysis (KSEA), Posttranslational Modification Substrate Enrichment Analysis (PTM-SEA), and Integrative Inferred Kinase Activity Analysis (INKA). Since the topic of kinase activity inference is very active with many new approaches reported in the past 3 years, we would like to give an overview of the field. In this review, an inventory of kinase activity inference tools, their underlying algorithms, statistical frameworks, kinase-substrate databases, and user-friendliness is presented. The most widely-used tools are compared in-depth. Subsequently, recent applications of the tools are described focusing on clinical tissues and hematological samples. Two main application areas for kinase activity inference tools can be discerned. (1) Maximal biological insights can be obtained from large data sets with group comparisons using multiple complementary tools (e.g., PTM-SEA and KSEA or INKA). (2) In the oncology context where personalized treatment requires analysis of single samples, INKA for example, has emerged as tool that can prioritize actionable kinases for targeted inhibition.
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Affiliation(s)
- Sander R Piersma
- OncoProteomics Laboratory Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands
| | - Andrea Valles-Marti
- OncoProteomics Laboratory Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands
| | - Frank Rolfs
- OncoProteomics Laboratory Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands
| | - Thang V Pham
- OncoProteomics Laboratory Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands
| | - Alex A Henneman
- OncoProteomics Laboratory Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands
| | - Connie R Jiménez
- OncoProteomics Laboratory Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands
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2
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Marshall S, Navarro MVAS, Ascenҫão CFR, Dibitetto D, Smolka MB. In-Depth Mapping of DNA-PKcs Signaling Uncovers Non-Canonical Features of Its Kinase Specificity. J Biol Chem 2024:107513. [PMID: 38945450 DOI: 10.1016/j.jbc.2024.107513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 06/11/2024] [Accepted: 06/25/2024] [Indexed: 07/02/2024] Open
Abstract
DNA-PKcs is a DNA damage sensor kinase with established roles in DNA double-strand break repair via non-homologous end joining. Recent studies have revealed additional roles of DNA-PKcs in the regulation of transcription, translation, and DNA replication. However, the substrates through which DNA-PKcs regulates these processes remain largely undefined. Here we utilized quantitative phosphoproteomics to generate a high coverage map of DNA-PKcs signaling in response to ionizing radiation and mapped its interplay with the ATM kinase. Beyond the detection of the canonical S/T-Q phosphorylation motif, we uncovered a non-canonical mode of DNA-PKcs signaling targeting S/T-ψ-D/E motifs. Sequence and structural analyses of the DNA-PKcs substrate recognition pocket revealed unique features compared to closely related PIKK kinases that may explain its broader substrate preference. These findings expand the repertoire of DNA-PKcs and ATM substrates while establishing a novel preferential phosphorylation motif for DNA-PKcs.
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Affiliation(s)
- Shannon Marshall
- Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
| | - Marcos V A S Navarro
- Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA; IFSC Institute of Physics of São Carlos, University of São Paulo, São Carlos - SP, 13566-590, Brazil.
| | - Carolline F R Ascenҫão
- Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
| | - Diego Dibitetto
- Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA; Department of Experimental Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, via Mario Negri 2, 20156 Milan, Italy
| | - Marcus B Smolka
- Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA.
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3
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Wang G, Zhang W, Ren J, Zeng Y, Dang X, Tian X, Yu W, Li Z, Ma Y, Yang P, Lu J, Zheng J, Lu B, Xu J, Liang A. The DNA damage-independent ATM signalling maintains CBP/DOT1L axis in MLL rearranged acute myeloid leukaemia. Oncogene 2024; 43:1900-1916. [PMID: 38671157 PMCID: PMC11178498 DOI: 10.1038/s41388-024-02998-2] [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: 11/21/2023] [Revised: 02/26/2024] [Accepted: 02/29/2024] [Indexed: 04/28/2024]
Abstract
The long-term maintenance of leukaemia stem cells (LSCs) is responsible for the high degree of malignancy in MLL (mixed-lineage leukaemia) rearranged acute myeloid leukaemia (AML). The DNA damage response (DDR) and DOT1L/H3K79me pathways are required to maintain LSCs in MLLr-AML, but little is known about their interplay. This study revealed that the DDR enzyme ATM regulates the maintenance of LSCs in MLLr-AML with a sequential protein-posttranslational-modification manner via CBP-DOT1L. We identified the phosphorylation of CBP by ATM, which confers the stability of CBP by preventing its proteasomal degradation, and characterised the acetylation of DOT1L by CBP, which mediates the high level of H3K79me2 for the expression of leukaemia genes in MLLr-AML. In addition, we revealed that the regulation of CBP-DOT1L axis in MLLr-AML by ATM was independent of DNA damage activation. Our findings provide insight into the signalling pathways involoved in MLLr-AML and broaden the understanding of the role of DDR enzymes beyond processing DNA damage, as well as identigying them as potent cancer targets.
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Affiliation(s)
- Guangming Wang
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
- East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
- Postdoctoral Station of Clinical Medicine, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200092, China
| | - Wenjun Zhang
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Jie Ren
- Eye & ENT Hospital, Fudan University, Shanghai, 200031, China
| | - Yu Zeng
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Xiuyong Dang
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Xiaoxue Tian
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Wenlei Yu
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Zheng Li
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Yuting Ma
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Pingping Yang
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Jinyuan Lu
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Junke Zheng
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Faculty of Basic Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Bing Lu
- East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.
| | - Jun Xu
- East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.
| | - Aibin Liang
- Department of Hematology, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China.
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4
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Justice JL, Reed TJ, Phelan B, Greco TM, Hutton JE, Cristea IM. DNA-PK and ATM drive phosphorylation signatures that antagonistically regulate cytokine responses to herpesvirus infection or DNA damage. Cell Syst 2024; 15:339-361.e8. [PMID: 38593799 PMCID: PMC11098675 DOI: 10.1016/j.cels.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 01/09/2024] [Accepted: 03/15/2024] [Indexed: 04/11/2024]
Abstract
The DNA-dependent protein kinase, DNA-PK, is an essential regulator of DNA damage repair. DNA-PK-driven phosphorylation events and the activated DNA damage response (DDR) pathways are also components of antiviral intrinsic and innate immune responses. Yet, it is not clear whether and how the DNA-PK response differs between these two forms of nucleic acid stress-DNA damage and DNA virus infection. Here, we define DNA-PK substrates and the signature cellular phosphoproteome response to DNA damage or infection with the nuclear-replicating DNA herpesvirus, HSV-1. We establish that DNA-PK negatively regulates the ataxia-telangiectasia-mutated (ATM) DDR kinase during viral infection. In turn, ATM blocks the binding of DNA-PK and the nuclear DNA sensor IFI16 to viral DNA, thereby inhibiting cytokine responses. However, following DNA damage, DNA-PK enhances ATM activity, which is required for IFN-β expression. These findings demonstrate that the DDR autoregulates cytokine expression through the opposing modulation of DDR kinases.
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Affiliation(s)
- Joshua L Justice
- Department of Molecular Biology, Princeton University, Washington Road, Princeton, NJ 08544, USA
| | - Tavis J Reed
- Department of Molecular Biology, Princeton University, Washington Road, Princeton, NJ 08544, USA
| | - Brett Phelan
- Department of Molecular Biology, Princeton University, Washington Road, Princeton, NJ 08544, USA
| | - Todd M Greco
- Department of Molecular Biology, Princeton University, Washington Road, Princeton, NJ 08544, USA
| | - Josiah E Hutton
- Department of Molecular Biology, Princeton University, Washington Road, Princeton, NJ 08544, USA
| | - Ileana M Cristea
- Department of Molecular Biology, Princeton University, Washington Road, Princeton, NJ 08544, USA.
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5
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Marshall S, Navarro MV, Ascenҫão CF, Smolka MB. IN-DEPTH MAPPING OF DNA-PKcs SIGNALING UNCOVERS CONSERVED FEATURES OF ITS KINASE SPECIFICITY. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.17.576037. [PMID: 38293078 PMCID: PMC10827184 DOI: 10.1101/2024.01.17.576037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
DNA-PKcs is a DNA damage sensor kinase with established roles in DNA double-strand break repair via non-homologous end joining. Recent studies have revealed additional roles of DNA-PKcs in the regulation of transcription, translation and DNA replication. However, the substrates through which DNA-PKcs regulates these processes remain largely undefined. Here we utilized quantitative phosphoproteomics to generate a high coverage map of DNA-PKcs signaling in response to ionizing radiation and mapped its interplay with the ATM kinase. Beyond the detection of the canonical S/T-Q phosphorylation motif, we uncovered a non-canonical mode of DNA-PKcs signaling targeting S/T-ψ-D/E motifs. Cross-species analysis in mouse pre-B and human HCT116 cell lines revealed splicing factors and transcriptional regulators phosphorylated at this novel motif, several of which contain SAP domains. These findings expand the list of DNA-PKcs and ATM substrates and establish a novel preferential phosphorylation motif for DNA-PKcs that connects it to proteins involved in nucleotide processes and interactions.
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Affiliation(s)
- Shannon Marshall
- 1. Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
| | - Marcos V.A.S. Navarro
- 1. Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
- 2. IFSC Institute of Physics of São Carlos, University of São Paulo, São Carlos - SP, 13566-590, Brazil
| | - Carolline F.R. Ascenҫão
- 1. Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
| | - Marcus B. Smolka
- 1. Department of Molecular Biology and Genetics, Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA
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6
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Borenäs M, Umapathy G, Lind DE, Lai WY, Guan J, Johansson J, Jennische E, Schmidt A, Kurhe Y, Gabre JL, Aniszewska A, Strömberg A, Bemark M, Hall MN, den Eynden JV, Hallberg B, Palmer RH. ALK signaling primes the DNA damage response sensitizing ALK-driven neuroblastoma to therapeutic ATR inhibition. Proc Natl Acad Sci U S A 2024; 121:e2315242121. [PMID: 38154064 PMCID: PMC10769851 DOI: 10.1073/pnas.2315242121] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/28/2023] [Indexed: 12/30/2023] Open
Abstract
High-risk neuroblastoma (NB) is a significant clinical challenge. MYCN and Anaplastic Lymphoma Kinase (ALK), which are often involved in high-risk NB, lead to increased replication stress in cancer cells, suggesting therapeutic strategies. We previously identified an ATR (ataxia telangiectasia and Rad3-related)/ALK inhibitor (ATRi/ALKi) combination as such a strategy in two independent genetically modified mouse NB models. Here, we identify an underlying molecular mechanism, in which ALK signaling leads to phosphorylation of ATR and CHK1, supporting an effective DNA damage response. The importance of ALK inhibition is supported by mouse data, in which ATRi monotreatment resulted in a robust initial response, but subsequent relapse, in contrast to a 14-d ALKi/ATRi combination treatment that resulted in a robust and sustained response. Finally, we show that the remarkable response to the 14-d combined ATR/ALK inhibition protocol reflects a robust differentiation response, reprogramming tumor cells to a neuronal/Schwann cell lineage identity. Our results identify an ability of ATR inhibition to promote NB differentiation and underscore the importance of further exploring combined ALK/ATR inhibition in NB, particularly in high-risk patient groups with oncogene-induced replication stress.
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Affiliation(s)
- Marcus Borenäs
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Ganesh Umapathy
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Dan E. Lind
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Wei-Yun Lai
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Jikui Guan
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Joel Johansson
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Eva Jennische
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Alexander Schmidt
- Proteomics Core Facility, Biozentrum, Basel University, Basel4056, Switzerland
| | - Yeshwant Kurhe
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Jonatan L. Gabre
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
- Department of Human Structure and Repair, Anatomy and Embryology Unit, Ghent University, Ghent9000, Belgium
| | - Agata Aniszewska
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Anneli Strömberg
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Mats Bemark
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
- Department of Clinical Immunology and Transfusion Medicine, Sahlgrenska University Hospital, Gothenburg SE-405 30, Sweden
| | | | - Jimmy Van den Eynden
- Department of Human Structure and Repair, Anatomy and Embryology Unit, Ghent University, Ghent9000, Belgium
| | - Bengt Hallberg
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
| | - Ruth H. Palmer
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, GothenburgSE-405 30, Sweden
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7
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Behl T, Kumar A, Vishakha, Sehgal A, Singh S, Sharma N, Yadav S, Rashid S, Ali N, Ahmed AS, Vargas-De-La-Cruz C, Bungau SG, Khan H. Understanding the mechanistic pathways and clinical aspects associated with protein and gene based biomarkers in breast cancer. Int J Biol Macromol 2023; 253:126595. [PMID: 37648139 DOI: 10.1016/j.ijbiomac.2023.126595] [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: 05/02/2023] [Revised: 08/22/2023] [Accepted: 08/27/2023] [Indexed: 09/01/2023]
Abstract
Cancer is one of the most widespread and severe diseases with a huge mortality rate. In recent years, the second-leading mortality rate of any cancer globally has been breast cancer, which is one of the most common and deadly cancers found in women. Detecting breast cancer in its initial stages simplifies treatment, decreases death risk, and recovers survival rates for patients. The death rate for breast cancer has risen to 0.024 % in some regions. Sensitive and accurate technologies are required for the preclinical detection of BC at an initial stage. Biomarkers play a very crucial role in the early identification as well as diagnosis of women with breast cancer. Currently, a wide variety of cancer biomarkers have been discovered for the diagnosis of cancer. For the identification of these biomarkers from serum or other body fluids at physiological amounts, many detection methods have been developed. In the case of breast cancer, biomarkers are especially helpful in discovering those who are more likely to develop the disease, determining prognosis at the time of initial diagnosis and choosing the best systemic therapy. In this study we have compiled various clinical aspects and signaling pathways associated with protein-based biomarkers and gene-based biomarkers.
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Affiliation(s)
- Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Dehradun 248007, Uttarakhand, India
| | - Ankush Kumar
- Institute of Pharmaceutical Sciences, IET Bhaddal Technical Campus, Ropar 140108, Punjab, India
| | - Vishakha
- Institute of Pharmaceutical Sciences, IET Bhaddal Technical Campus, Ropar 140108, Punjab, India
| | - Aayush Sehgal
- GHG Khalsa College of Pharmacy, Gurusar Sadhar, 141104 Ludhiana, Punjab, India
| | - Sukhbir Singh
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala 133203, Haryana, India
| | - Neelam Sharma
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala 133203, Haryana, India
| | - Shivam Yadav
- School of Pharmacy, Babu Banarasi Das University, Lucknow 226028, Uttar Pradesh, India
| | - Summya Rashid
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia.
| | - Nemat Ali
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadah 11451, Saudi Arabia
| | - Amira Saber Ahmed
- Hormones Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza 12622, Egypt
| | - Celia Vargas-De-La-Cruz
- Department of Pharmacology, Bromatology and Toxicology, Faculty of Pharmacy and Biochemistry, Universidad Nacional Mayor de San Marcos, Lima 150001, Peru; E-Health Research Center, Universidad de Ciencias y Humanidades, Lima 15001, Peru
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea 410087, Romania; Doctoral School of Biomedical Sciences, University of Oradea, Oradea 410087, Romania
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan.
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8
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Bastianello G, Porcella G, Beznoussenko GV, Kidiyoor G, Ascione F, Li Q, Cattaneo A, Matafora V, Disanza A, Quarto M, Mironov AA, Oldani A, Barozzi S, Bachi A, Costanzo V, Scita G, Foiani M. Cell stretching activates an ATM mechano-transduction pathway that remodels cytoskeleton and chromatin. Cell Rep 2023; 42:113555. [PMID: 38088930 DOI: 10.1016/j.celrep.2023.113555] [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: 06/30/2022] [Revised: 11/01/2023] [Accepted: 11/20/2023] [Indexed: 12/30/2023] Open
Abstract
Ataxia telangiectasia mutated (ATM) and ataxia telangiectasia and Rad3-related (ATR) DNA damage response (DDR) kinases contain elastic domains. ATM also responds to reactive oxygen species (ROS) and ATR to nuclear mechanical stress. Mre11 mediates ATM activation following DNA damage; ATM mutations cause ataxia telangiectasia (A-T). Here, using in vivo imaging, electron microscopy, proteomic, and mechano-biology approaches, we study how ATM responds to mechanical stress. We report that cytoskeleton and ROS, but not Mre11, mediate ATM activation following cell deformation. ATM deficiency causes hyper-stiffness, stress fiber accumulation, Yes-associated protein (YAP) nuclear enrichment, plasma and nuclear membrane alterations during interstitial migration, and H3 hyper-methylation. ATM locates to the actin cytoskeleton and, following cytoskeleton stress, promotes phosphorylation of key cytoskeleton and chromatin regulators. Our data contribute to explain some clinical features of patients with A-T and pinpoint the existence of an integrated mechano-response in which ATM and ATR have distinct roles unrelated to their canonical DDR functions.
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Affiliation(s)
- Giulia Bastianello
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy; Oncology and Haemato-Oncology Department, University of Milan, 20122 Milan, Italy.
| | | | | | - Gururaj Kidiyoor
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | - Flora Ascione
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | - Qingsen Li
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | | | | | - Andrea Disanza
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | - Micaela Quarto
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | | | - Amanda Oldani
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | - Sara Barozzi
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | - Angela Bachi
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy
| | - Vincenzo Costanzo
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy; Oncology and Haemato-Oncology Department, University of Milan, 20122 Milan, Italy
| | - Giorgio Scita
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy; Oncology and Haemato-Oncology Department, University of Milan, 20122 Milan, Italy
| | - Marco Foiani
- IFOM, the FIRC Institute of Molecular Oncology, 20139 Milan, Italy; Oncology and Haemato-Oncology Department, University of Milan, 20122 Milan, Italy.
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9
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Elkoshi N, Parikh S, Malcov-Brog H, Parikh R, Manich P, Netti F, Maliah A, Elkoshi H, Haj M, Rippin I, Frand J, Perluk T, Haiat-Factor R, Golan T, Regev-Rudzki N, Kiper E, Brenner R, Gonen P, Dror I, Levi H, Hameiri O, Cohen-Gulkar M, Eldar-Finkelman H, Ast G, Nizri E, Ziv Y, Elkon R, Khaled M, Ebenstein Y, Shiloh Y, Levy C. Ataxia Telangiectasia Mutated Signaling Delays Skin Pigmentation upon UV Exposure by Mediating MITF Function toward DNA Repair Mode. J Invest Dermatol 2023; 143:2494-2506.e4. [PMID: 37236596 DOI: 10.1016/j.jid.2023.03.1686] [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: 07/13/2022] [Revised: 02/24/2023] [Accepted: 03/02/2023] [Indexed: 05/28/2023]
Abstract
Skin pigmentation is paused after sun exposure; however, the mechanism behind this pausing is unknown. In this study, we found that the UVB-induced DNA repair system, led by the ataxia telangiectasia mutated (ATM) protein kinase, represses MITF transcriptional activity of pigmentation genes while placing MITF in DNA repair mode, thus directly inhibiting pigment production. Phosphoproteomics analysis revealed ATM to be the most significantly enriched pathway among all UVB-induced DNA repair systems. ATM inhibition in mouse or human skin, either genetically or chemically, induces pigmentation. Upon UVB exposure, MITF transcriptional activation is blocked owing to ATM-dependent phosphorylation of MITF on S414, which modifies MITF activity and interactome toward DNA repair, including binding to TRIM28 and RBBP4. Accordingly, MITF genome occupancy is enriched in sites of high DNA damage that are likely repaired. This suggests that ATM harnesses the pigmentation key activator for the necessary rapid, efficient DNA repair, thus optimizing the chances of the cell surviving. Data are available from ProteomeXchange with the identifier PXD041121.
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Affiliation(s)
- Nadav Elkoshi
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shivang Parikh
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hagar Malcov-Brog
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Roma Parikh
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Paulee Manich
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Francesca Netti
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Avishai Maliah
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hana Elkoshi
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Majd Haj
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ido Rippin
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jacob Frand
- Department of Plastic and Reconstructive Surgery, Edith Wolfson Medical Center, Holon, Israel
| | - Tomer Perluk
- Department of Plastic and Reconstructive Surgery, Edith Wolfson Medical Center, Holon, Israel
| | - Rivi Haiat-Factor
- Department of Plastic and Reconstructive Surgery, Edith Wolfson Medical Center, Holon, Israel
| | - Tamar Golan
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Neta Regev-Rudzki
- Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Edo Kiper
- Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel
| | - Ronen Brenner
- Institute of Oncology, Edith Wolfson Medical Center, Holon, Israel
| | - Pinchas Gonen
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Iris Dror
- Department of Biological Chemistry, University of California Loss Angeles School of Medicine, Los Angeles, California, USA
| | - Hagai Levi
- The Blavatnik School of Computer Science, Tel Aviv University, Tel Aviv, Israel
| | - Ofir Hameiri
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Mazal Cohen-Gulkar
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hagit Eldar-Finkelman
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Gil Ast
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eran Nizri
- Department of Dermatology, Tel Aviv Sourasky Medical Center Ichilov, Tel Aviv, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yael Ziv
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Rani Elkon
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Mehdi Khaled
- INSERM 1186, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Yuval Ebenstein
- School of Chemistry, Center for Nanoscience and Nanotechnology, Center for Light-Matter Interaction, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Yosef Shiloh
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Carmit Levy
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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10
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Reichlmeir M, Canet-Pons J, Koepf G, Nurieva W, Duecker RP, Doering C, Abell K, Key J, Stokes MP, Zielen S, Schubert R, Ivics Z, Auburger G. In Cerebellar Atrophy of 12-Month-Old ATM-Null Mice, Transcriptome Upregulations Concern Most Neurotransmission and Neuropeptide Pathways, While Downregulations Affect Prominently Itpr1, Usp2 and Non-Coding RNA. Cells 2023; 12:2399. [PMID: 37830614 PMCID: PMC10572167 DOI: 10.3390/cells12192399] [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: 09/14/2023] [Revised: 09/29/2023] [Accepted: 10/01/2023] [Indexed: 10/14/2023] Open
Abstract
The autosomal recessive disorder Ataxia-Telangiectasia is caused by a dysfunction of the stress response protein, ATM. In the nucleus of proliferating cells, ATM senses DNA double-strand breaks and coordinates their repair. This role explains T-cell dysfunction and tumour risk. However, it remains unclear whether this function is relevant for postmitotic neurons and underlies cerebellar atrophy, since ATM is cytoplasmic in postmitotic neurons. Here, we used ATM-null mice that survived early immune deficits via bone-marrow transplantation, and that reached initial neurodegeneration stages at 12 months of age. Global cerebellar transcriptomics demonstrated that ATM depletion triggered upregulations in most neurotransmission and neuropeptide systems. Downregulated transcripts were found for the ATM interactome component Usp2, many non-coding RNAs, ataxia genes Itpr1, Grid2, immediate early genes and immunity factors. Allelic splice changes affected prominently the neuropeptide machinery, e.g., Oprm1. Validation experiments with stressors were performed in human neuroblastoma cells, where ATM was localised only to cytoplasm, similar to the brain. Effect confirmation in SH-SY5Y cells occurred after ATM depletion and osmotic stress better than nutrient/oxidative stress, but not after ATM kinase inhibition or DNA stressor bleomycin. Overall, we provide pioneer observations from a faithful A-T mouse model, which suggest general changes in synaptic and dense-core vesicle stress adaptation.
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Affiliation(s)
- Marina Reichlmeir
- Goethe University Frankfurt, University Hospital, Clinic of Neurology, Exp. Neurology, Heinrich Hoffmann Str. 7, 60590 Frankfurt am Main, Germany; (M.R.); (J.C.-P.); (J.K.)
| | - Júlia Canet-Pons
- Goethe University Frankfurt, University Hospital, Clinic of Neurology, Exp. Neurology, Heinrich Hoffmann Str. 7, 60590 Frankfurt am Main, Germany; (M.R.); (J.C.-P.); (J.K.)
| | - Gabriele Koepf
- Goethe University Frankfurt, University Hospital, Clinic of Neurology, Exp. Neurology, Heinrich Hoffmann Str. 7, 60590 Frankfurt am Main, Germany; (M.R.); (J.C.-P.); (J.K.)
| | - Wasifa Nurieva
- Transposition and Genome Engineering, Research Centre of the Division of Hematology, Gene and Cell Therapy, Paul Ehrlich Institute, 63225 Langen, Germany; (W.N.); (Z.I.)
| | - Ruth Pia Duecker
- Division of Pediatrics, Pulmonology, Allergology, Infectious Diseases and Gastroenterology, Children’s Hospital, University Hospital, Goethe-University, 60590 Frankfurt am Main, Germany; (R.P.D.); (S.Z.); (R.S.)
| | - Claudia Doering
- Dr. Senckenberg Institute of Pathology, University Hospital Frankfurt, 60590 Frankfurt am Main, Germany;
| | - Kathryn Abell
- Cell Signaling Technology, Inc., Danvers, MA 01923, USA; (K.A.); (M.P.S.)
| | - Jana Key
- Goethe University Frankfurt, University Hospital, Clinic of Neurology, Exp. Neurology, Heinrich Hoffmann Str. 7, 60590 Frankfurt am Main, Germany; (M.R.); (J.C.-P.); (J.K.)
| | - Matthew P. Stokes
- Cell Signaling Technology, Inc., Danvers, MA 01923, USA; (K.A.); (M.P.S.)
| | - Stefan Zielen
- Division of Pediatrics, Pulmonology, Allergology, Infectious Diseases and Gastroenterology, Children’s Hospital, University Hospital, Goethe-University, 60590 Frankfurt am Main, Germany; (R.P.D.); (S.Z.); (R.S.)
- Respiratory Research Institute, Medaimun GmbH, 60596 Frankfurt am Main, Germany
| | - Ralf Schubert
- Division of Pediatrics, Pulmonology, Allergology, Infectious Diseases and Gastroenterology, Children’s Hospital, University Hospital, Goethe-University, 60590 Frankfurt am Main, Germany; (R.P.D.); (S.Z.); (R.S.)
| | - Zoltán Ivics
- Transposition and Genome Engineering, Research Centre of the Division of Hematology, Gene and Cell Therapy, Paul Ehrlich Institute, 63225 Langen, Germany; (W.N.); (Z.I.)
| | - Georg Auburger
- Goethe University Frankfurt, University Hospital, Clinic of Neurology, Exp. Neurology, Heinrich Hoffmann Str. 7, 60590 Frankfurt am Main, Germany; (M.R.); (J.C.-P.); (J.K.)
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11
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Moloudi K, Abrahamse H, George BP. Photodynamic therapy induced cell cycle arrest and cancer cell synchronization: review. Front Oncol 2023; 13:1225694. [PMID: 37503319 PMCID: PMC10369002 DOI: 10.3389/fonc.2023.1225694] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 06/21/2023] [Indexed: 07/29/2023] Open
Abstract
Cell cycle arrest (CCA) is seen as a prime candidate for effective cancer therapy. This mechanism can help researchers to create new treatments to target cancer cells at particular stages of the cell cycle (CC). The CCA is a characteristic of various therapeutic modalities, including radiation (RT) and chemotherapy (CT), which synchronizes the cells and facilitates the standardization of radio-chemotherapy protocols. Although it was discovered that photodynamic treatment (PDT) had a biological effect on CCA in cancer cells, the mechanism remains unclear. Furthermore, besides conventional forms of cell death such as apoptosis, autophagy, and necrosis, various unconventional types of cell death including pyroptosis, mitotic catastrophe, paraptosis, ferroptosis, necroptosis, and parthanatos after PDT have been reported. Thus, a variety of elements, such as oxygen, the tumor's microenvironment, the characteristics of light, and photosensitizer (PS), influence the effectiveness of the PDT treatment, which have not yet been studied clearly. This review focuses on CCA induced by PDT for a variety of PSs agents on various cell lines. The CCA by PDT can be viewed as a remarkable effect and instructive for the management of the PDT protocol. Regarding the relationship between the quantity of reactive oxygen species (ROS) and its biological consequences, we have proposed two mathematical models in PDT. Finally, we have gathered recent in vitro and in vivo studies about CCA post-PDT at various stages and made suggestions about how it can standardize, potentiate, and customize the PDT methodology.
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12
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Tan J, Wang W, Liu X, Xu J, Che Y, Liu Y, Hu J, Hu L, Li J, Zhou Q. C11orf54 promotes DNA repair via blocking CMA-mediated degradation of HIF1A. Commun Biol 2023; 6:606. [PMID: 37277441 DOI: 10.1038/s42003-023-04957-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 05/19/2023] [Indexed: 06/07/2023] Open
Abstract
C11orf54 is an ester hydrolase highly conserved across different species. C11orf54 has been identified as a biomarker protein of renal cancers, but its exact function remains poorly understood. Here we demonstrate that C11orf54 knockdown decreases cell proliferation and enhances cisplatin-induced DNA damage and apoptosis. On the one hand, loss of C11orf54 reduces Rad51 expression and nuclear accumulation, which results in suppression of homologous recombination repair. On the other hand, C11orf54 and HIF1A competitively interact with HSC70, knockdown of C11orf54 promotes HSC70 binding to HIF1A to target it for degradation via chaperone-mediated autophagy (CMA). C11orf54 knockdown-mediated HIF1A degradation reduces the transcription of ribonucleotide reductase regulatory subunit M2 (RRM2), which is a rate-limiting RNR enzyme for DNA synthesis and DNA repair by producing dNTPs. Supplement of dNTPs can partially rescue C11orf54 knockdown-mediated DNA damage and cell death. Furthermore, we find that Bafilomycin A1, an inhibitor of both macroautophagy and chaperone-mediated autophagy, shows similar rescue effects as dNTP treatment. In summary, we uncover a role of C11orf54 in regulating DNA damage and repair through CMA-mediated decreasing of HIF1A/RRM2 axis.
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Affiliation(s)
- Junyang Tan
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Wenjun Wang
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Xinjie Liu
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Jinhong Xu
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Yaping Che
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Yanyan Liu
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Jiaqiao Hu
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Liubing Hu
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China
| | - Jianshuang Li
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China.
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China.
| | - Qinghua Zhou
- The Sixth Affiliated Hospital of Jinan University, Jinan University, 523573, Dongguan, Guangdong, China.
- The Biomedical Translational Research Institute, Health Science Center (School of Medicine), Jinan University, 510632, Guangzhou, Guangdong, China.
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13
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Xie D, Huang Q, Zhou P. Drug Discovery Targeting Post-Translational Modifications in Response to DNA Damages Induced by Space Radiation. Int J Mol Sci 2023; 24:ijms24087656. [PMID: 37108815 PMCID: PMC10142602 DOI: 10.3390/ijms24087656] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/07/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
DNA damage in astronauts induced by cosmic radiation poses a major barrier to human space exploration. Cellular responses and repair of the most lethal DNA double-strand breaks (DSBs) are crucial for genomic integrity and cell survival. Post-translational modifications (PTMs), including phosphorylation, ubiquitylation, and SUMOylation, are among the regulatory factors modulating a delicate balance and choice between predominant DSB repair pathways, such as non-homologous end joining (NHEJ) and homologous recombination (HR). In this review, we focused on the engagement of proteins in the DNA damage response (DDR) modulated by phosphorylation and ubiquitylation, including ATM, DNA-PKcs, CtIP, MDM2, and ubiquitin ligases. The involvement and function of acetylation, methylation, PARylation, and their essential proteins were also investigated, providing a repository of candidate targets for DDR regulators. However, there is a lack of radioprotectors in spite of their consideration in the discovery of radiosensitizers. We proposed new perspectives for the research and development of future agents against space radiation by the systematic integration and utilization of evolutionary strategies, including multi-omics analyses, rational computing methods, drug repositioning, and combinations of drugs and targets, which may facilitate the use of radioprotectors in practical applications in human space exploration to combat fatal radiation hazards.
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Affiliation(s)
- Dafei Xie
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing Institute of Radiation Medicine, Taiping Road 27th, Haidian District, Beijing 100850, China
| | - Qi Huang
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing Institute of Radiation Medicine, Taiping Road 27th, Haidian District, Beijing 100850, China
- Department of Preventive Medicine, School of Public Health, University of South China, Changsheng West Road 28th, Zhengxiang District, Hengyang 421001, China
| | - Pingkun Zhou
- Department of Radiation Biology, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing Institute of Radiation Medicine, Taiping Road 27th, Haidian District, Beijing 100850, China
- Department of Preventive Medicine, School of Public Health, University of South China, Changsheng West Road 28th, Zhengxiang District, Hengyang 421001, China
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14
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McCann JJ, Fleenor DE, Chen J, Lai CH, Bass TE, Kastan MB. Participation of ATM, SMG1, and DDX5 in a DNA Damage-Induced Alternative Splicing Pathway. Radiat Res 2023; 199:406-421. [PMID: 36921295 PMCID: PMC10162594 DOI: 10.1667/rade-22-00219.1] [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: 12/09/2022] [Accepted: 02/03/2023] [Indexed: 03/17/2023]
Abstract
Altered cellular responses to DNA damage can contribute to cancer development, progression, and therapeutic resistance. Mutations in key DNA damage response factors occur across many cancer types, and the DNA damage-responsive gene, TP53, is frequently mutated in a high percentage of cancers. We recently reported that an alternative splicing pathway induced by DNA damage regulates alternative splicing of TP53 RNA and further modulates cellular stress responses. Through damage-induced inhibition of the SMG1 kinase, TP53 pre-mRNA is alternatively spliced to generate TP53b mRNA and p53b protein is required for optimal induction of cellular senescence after ionizing radiation-induced DNA damage. Herein, we confirmed and extended these observations by demonstrating that the ATM protein kinase is required for repression of SMG1 kinase activity after ionizing radiation. We found that the RNA helicase and splicing factor, DDX5, interacts with SMG1, is required for alternative splicing of TP53 pre-mRNA to TP53b and TP53c mRNAs after DNA damage, and contributes to radiation-induced cellular senescence. Interestingly, the role of SMG1 in alternative splicing of p53 appears to be distinguishable from its role in regulating nonsense-mediated RNA decay. Thus, ATM, SMG1, and DDX5 participate in a DNA damage-induced alternative splicing pathway that regulates TP53 splicing and modulates radiation-induced cellular senescence.
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Affiliation(s)
- Jennifer J. McCann
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina 27710
| | - Donald E. Fleenor
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina 27710
| | - Jing Chen
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina 27710
| | - Chun-Hsiang Lai
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina 27710
| | - Thomas E. Bass
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina 27710
| | - Michael B. Kastan
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina 27710
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15
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Liu D, Sonalkar J, Prasanth SG. ORChestra coordinates the replication and repair music. Bioessays 2023; 45:e2200229. [PMID: 36811379 PMCID: PMC10023367 DOI: 10.1002/bies.202200229] [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: 11/29/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/24/2023]
Abstract
Error-free genome duplication and accurate cell division are critical for cell survival. In all three domains of life, bacteria, archaea, and eukaryotes, initiator proteins bind replication origins in an ATP-dependent manner, play critical roles in replisome assembly, and coordinate cell-cycle regulation. We discuss how the eukaryotic initiator, Origin recognition complex (ORC), coordinates different events during the cell cycle. We propose that ORC is the maestro driving the orchestra to coordinately perform the musical pieces of replication, chromatin organization, and repair.
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Affiliation(s)
- Dazhen Liu
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, 601S Goodwin Avenue, Urbana, IL 61801 USA
| | - Jay Sonalkar
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, 601S Goodwin Avenue, Urbana, IL 61801 USA
| | - Supriya G. Prasanth
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, 601S Goodwin Avenue, Urbana, IL 61801 USA
- Cancer center at Illinois, UIUC
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16
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Migliozzi S, Oh YT, Hasanain M, Garofano L, D'Angelo F, Najac RD, Picca A, Bielle F, Di Stefano AL, Lerond J, Sarkaria JN, Ceccarelli M, Sanson M, Lasorella A, Iavarone A. Integrative multi-omics networks identify PKCδ and DNA-PK as master kinases of glioblastoma subtypes and guide targeted cancer therapy. NATURE CANCER 2023; 4:181-202. [PMID: 36732634 PMCID: PMC9970878 DOI: 10.1038/s43018-022-00510-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 12/21/2022] [Indexed: 02/04/2023]
Abstract
Despite producing a panoply of potential cancer-specific targets, the proteogenomic characterization of human tumors has yet to demonstrate value for precision cancer medicine. Integrative multi-omics using a machine-learning network identified master kinases responsible for effecting phenotypic hallmarks of functional glioblastoma subtypes. In subtype-matched patient-derived models, we validated PKCδ and DNA-PK as master kinases of glycolytic/plurimetabolic and proliferative/progenitor subtypes, respectively, and qualified the kinases as potent and actionable glioblastoma subtype-specific therapeutic targets. Glioblastoma subtypes were associated with clinical and radiomics features, orthogonally validated by proteomics, phospho-proteomics, metabolomics, lipidomics and acetylomics analyses, and recapitulated in pediatric glioma, breast and lung squamous cell carcinoma, including subtype specificity of PKCδ and DNA-PK activity. We developed a probabilistic classification tool that performs optimally with RNA from frozen and paraffin-embedded tissues, which can be used to evaluate the association of therapeutic response with glioblastoma subtypes and to inform patient selection in prospective clinical trials.
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Affiliation(s)
- Simona Migliozzi
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA.,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Young Taek Oh
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA.,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Mohammad Hasanain
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA.,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Luciano Garofano
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA.,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Fulvio D'Angelo
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA.,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Ryan D Najac
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA
| | - Alberto Picca
- AP-HP, Hôpital de la Pitié-Salpêtrière, Service de Neurologie 2, Paris, France.,Sorbonne Université, INSERM Unité 1127, CNRS UMR 7225, Paris Brain Institute, Equipe labellissée LNCC, Paris, France
| | - Franck Bielle
- Sorbonne Université, INSERM Unité 1127, CNRS UMR 7225, Paris Brain Institute, Equipe labellissée LNCC, Paris, France.,Department of Neuropathology, Pitié-Salpêtrière-Charles Foix, AP-HP, Paris, France
| | - Anna Luisa Di Stefano
- Sorbonne Université, INSERM Unité 1127, CNRS UMR 7225, Paris Brain Institute, Equipe labellissée LNCC, Paris, France.,Department of Neurology, Foch Hospital, Suresnes, Paris, France.,Neurosurgery Unit, Spedali Riuniti, Livorno, Italy
| | - Julie Lerond
- Sorbonne Université, INSERM Unité 1127, CNRS UMR 7225, Paris Brain Institute, Equipe labellissée LNCC, Paris, France
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN, USA
| | - Michele Ceccarelli
- Department of Electrical Engineering and Information Technology (DIETI), University of Naples Federico II, Napoli, Italy.,BIOGEM Institute of Molecular Biology and Genetics, Via Camporeale, Ariano Irpino, Italy
| | - Marc Sanson
- AP-HP, Hôpital de la Pitié-Salpêtrière, Service de Neurologie 2, Paris, France.,Sorbonne Université, INSERM Unité 1127, CNRS UMR 7225, Paris Brain Institute, Equipe labellissée LNCC, Paris, France.,Onconeurotek Tumor Bank, Paris Brain Institute ICM, Paris, France
| | - Anna Lasorella
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA. .,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA. .,Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY, USA. .,Department of Pediatrics, Columbia University Medical Center, New York, NY, USA. .,Department of Biochemistry and Molecular Biology, University of Miami, Miller School of Medicine, Miami, FL, USA.
| | - Antonio Iavarone
- Institute for Cancer Genetics, Columbia University Medical Center, New York, NY, USA. .,Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA. .,Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY, USA. .,Department of Neurology, Columbia University Medical Center, New York, NY, USA. .,Department of Neurological Surgery, University of Miami, Miller School of Medicine, Miami, FL, USA.
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17
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The Adaptability of Chromosomal Instability in Cancer Therapy and Resistance. Int J Mol Sci 2022; 24:ijms24010245. [PMID: 36613695 PMCID: PMC9820635 DOI: 10.3390/ijms24010245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/14/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Variation in chromosome structure is a central source of DNA damage and DNA damage response, together representinga major hallmark of chromosomal instability. Cancer cells under selective pressure of therapy use DNA damage and DNA damage response to produce newfunctional assets as an evolutionary mechanism. Recent efforts to understand DNA damage/chromosomal instability and elucidate its role in initiation or progression of cancer have also disclosed its vulnerabilities represented by inappropriate DNA damage response, chromatin changes, andinflammation. Understanding these vulnerabilities can provide important clues for predicting treatment response and for the development of novel strategies that prevent the emergence of therapy resistant tumors.
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18
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An oncogene addiction phosphorylation signature and its derived scores inform tumor responsiveness to targeted therapies. Cell Mol Life Sci 2022; 80:6. [PMID: 36494469 PMCID: PMC9734221 DOI: 10.1007/s00018-022-04634-2] [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: 02/18/2022] [Revised: 11/08/2022] [Accepted: 11/14/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE Oncogene addiction provides important therapeutic opportunities for precision oncology treatment strategies. To date the cellular circuitries associated with driving oncoproteins, which eventually establish the phenotypic manifestation of oncogene addiction, remain largely unexplored. Data suggest the DNA damage response (DDR) as a central signaling network that intersects with pathways associated with deregulated addicting oncoproteins with kinase activity in cancer cells. EXPERIMENTAL DESIGN: We employed a targeted mass spectrometry approach to systematically explore alterations in 116 phosphosites related to oncogene signaling and its intersection with the DDR following inhibition of the addicting oncogene alone or in combination with irradiation in MET-, EGFR-, ALK- or BRAF (V600)-positive cancer models. An NSCLC tissue pipeline combining patient-derived xenografts (PDXs) and ex vivo patient organotypic cultures has been established for treatment responsiveness assessment. RESULTS We identified an 'oncogene addiction phosphorylation signature' (OAPS) consisting of 8 protein phosphorylations (ACLY S455, IF4B S422, IF4G1 S1231, LIMA1 S490, MYCN S62, NCBP1 S22, P3C2A S259 and TERF2 S365) that are significantly suppressed upon targeted oncogene inhibition solely in addicted cell line models and patient tissues. We show that the OAPS is present in patient tissues and the OAPS-derived score strongly correlates with the ex vivo responses to targeted treatments. CONCLUSIONS We propose a score derived from OAPS as a quantitative measure to evaluate oncogene addiction of cancer cell samples. This work underlines the importance of protein phosphorylation assessment for patient stratification in precision oncology and corresponding identification of tumor subtypes sensitive to inhibition of a particular oncogene.
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19
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Sampadi B, Vermeulen S, Mišovic B, Boei JJ, Batth TS, Chang JG, Paulsen MT, Magnuson B, Schimmel J, Kool H, Olie CS, Everts B, Vertegaal ACO, Olsen JV, Ljungman M, Jeggo PA, Mullenders LHF, Vrieling H. Divergent Molecular and Cellular Responses to Low and High-Dose Ionizing Radiation. Cells 2022; 11:cells11233794. [PMID: 36497055 PMCID: PMC9739411 DOI: 10.3390/cells11233794] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Cancer risk after ionizing radiation (IR) is assumed to be linear with the dose; however, for low doses, definite evidence is lacking. Here, using temporal multi-omic systems analyses after a low (LD; 0.1 Gy) or a high (HD; 1 Gy) dose of X-rays, we show that, although the DNA damage response (DDR) displayed dose proportionality, many other molecular and cellular responses did not. Phosphoproteomics uncovered a novel mode of phospho-signaling via S12-PPP1R7, and large-scale dephosphorylation events that regulate mitotic exit control in undamaged cells and the G2/M checkpoint upon IR in a dose-dependent manner. The phosphoproteomics of irradiated DNA double-strand breaks (DSBs) repair-deficient cells unveiled extended phospho-signaling duration in either a dose-dependent (DDR signaling) or independent (mTOR-ERK-MAPK signaling) manner without affecting signal magnitude. Nascent transcriptomics revealed the transcriptional activation of genes involved in NRF2-regulated antioxidant defense, redox-sensitive ERK-MAPK signaling, glycolysis and mitochondrial function after LD, suggesting a prominent role for reactive oxygen species (ROS) in molecular and cellular responses to LD exposure, whereas DDR genes were prominently activated after HD. However, how and to what extent the observed dose-dependent differences in molecular and cellular responses may impact cancer development remain unclear, as the induction of chromosomal damage was found to be dose-proportional (10-200 mGy).
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Affiliation(s)
- Bharath Sampadi
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
- Correspondence: (B.S.); (H.V.)
| | - Sylvia Vermeulen
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Branislav Mišovic
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Jan J. Boei
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Tanveer S. Batth
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Science, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen, Denmark
| | - Jer-Gung Chang
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Michelle T. Paulsen
- Department of Radiation Oncology, Rogel Cancer Center and Center for RNA Biomedicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Brian Magnuson
- Department of Radiation Oncology, Rogel Cancer Center and Center for RNA Biomedicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Joost Schimmel
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Hanneke Kool
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Cyriel S. Olie
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Bart Everts
- Department of Parasitology, Leiden University Medical Center, 2333ZA Leiden, The Netherlands
| | - Alfred C. O. Vertegaal
- Department of Cell and Chemical Biology, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
| | - Jesper V. Olsen
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Science, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen, Denmark
| | - Mats Ljungman
- Department of Radiation Oncology, Rogel Cancer Center and Center for RNA Biomedicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Penny A. Jeggo
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton BN1 9RQ, UK
| | - Leon H. F. Mullenders
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
- Department of Genetics, Research Institute of Environmental Medicine (RIeM), Nagoya University, Nagoya 464-8601, Japan
| | - Harry Vrieling
- Department of Human Genetics, Leiden University Medical Center, 2333ZC Leiden, The Netherlands
- Correspondence: (B.S.); (H.V.)
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20
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Aditi, McKinnon PJ. Genome integrity and inflammation in the nervous system. DNA Repair (Amst) 2022; 119:103406. [PMID: 36148701 PMCID: PMC9844216 DOI: 10.1016/j.dnarep.2022.103406] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/10/2022] [Accepted: 09/12/2022] [Indexed: 01/19/2023]
Abstract
Preservation of genomic integrity is crucial for nervous system development and function. DNA repair deficiency results in several human diseases that are characterized by both neurodegeneration and neuroinflammation. Recent research has highlighted a role for compromised genomic integrity as a key factor driving neuropathology and triggering innate immune signaling to cause inflammation. Here we review the mechanisms by which DNA damage engages innate immune signaling and how this may promote neurological disease. We also consider the contributions of different neural cell types towards DNA damage-driven neuroinflammation. A deeper knowledge of genome maintenance mechanisms that prevent aberrant immune activation in neural cells will guide future therapies to ameliorate neurological disease.
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Affiliation(s)
- Aditi
- Center for Pediatric Neurological Disease Research, St. Jude Pediatric Translational Neuroscience Initiative, Dept. Cell & Mol. Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Peter J McKinnon
- Center for Pediatric Neurological Disease Research, St. Jude Pediatric Translational Neuroscience Initiative, Dept. Cell & Mol. Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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21
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Francis M, Ahmad A, Bodgi L, Azzam P, Youssef T, Abou Daher A, Eid AA, Fornoni A, Pollack A, Marples B, Zeidan YH. SMPDL3b
modulates radiation‐induced
DNA
damage response in renal podocytes. FASEB J 2022; 36:e22545. [DOI: 10.1096/fj.202100186rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 08/24/2022] [Accepted: 08/29/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Marina Francis
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine American University of Beirut Beirut Lebanon
| | - Anis Ahmad
- Department of Radiation Oncology Miller School of Medicine/Sylvester Cancer Center, University of Miami Miami Florida USA
| | - Larry Bodgi
- Department of Radiation Oncology American University of Beirut Beirut Lebanon
| | - Patrick Azzam
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine American University of Beirut Beirut Lebanon
| | - Tarek Youssef
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine American University of Beirut Beirut Lebanon
| | - Alaa Abou Daher
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine American University of Beirut Beirut Lebanon
| | - Assaad A. Eid
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine American University of Beirut Beirut Lebanon
| | - Alessia Fornoni
- Peggy and Harold Katz Family Drug Discovery Center and Katz Family Division of Nephrology and Hypertension, Department of Medicine University of Miami Miami Florida USA
| | - Alan Pollack
- Department of Radiation Oncology Miller School of Medicine/Sylvester Cancer Center, University of Miami Miami Florida USA
| | - Brian Marples
- Department of Radiation Oncology University of Rochester Rochester New York USA
| | - Youssef H. Zeidan
- Department of Anatomy, Cell Biology, and Physiology, Faculty of Medicine American University of Beirut Beirut Lebanon
- Department of Radiation Oncology American University of Beirut Beirut Lebanon
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22
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Zhang Y, Ou G, Ye Z, Zhou Z, Cao Q, Li M, Wang J, Cao J, Yang H. RPRM negatively regulates ATM levels through its nuclear translocation on irradiation mediated by CDK4/6 and IPO11. iScience 2022; 25:105115. [PMID: 36185355 PMCID: PMC9519624 DOI: 10.1016/j.isci.2022.105115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/21/2022] [Accepted: 09/08/2022] [Indexed: 10/25/2022] Open
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23
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Seco-polyprenylated acylphloroglucinols from Hypericum elodeoides induced cell cycle arrest and apoptosis in MCF-7 cells via oxidative DNA damage. Bioorg Chem 2022; 128:106088. [PMID: 36007479 DOI: 10.1016/j.bioorg.2022.106088] [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: 06/19/2022] [Revised: 08/02/2022] [Accepted: 08/06/2022] [Indexed: 11/20/2022]
Abstract
Four undescribed seco-polyprenylated acylphloroglucinols (seco-PAPs), elodeoidesones A-D (1-4), were characterized from Hypericum elodeoides. Compound 1 represents the 1,6-seco-PAPs with fascinating 5/5 fused ring, while 2-4 possess a 1,2-seco-PAPs skeleton with a five-membered lactone core. Their structures including absolute configurations were established by spectroscopic analyses and quantum chemical computations. A possible biosynthetic pathway of 1-4 from normal PAPs was proposed. All the isolates were investigated for their cytotoxicity against tumor cells. Notably, 1 inhibited the proliferation of MCF-7 cells with the IC50 value of 7.34 μM. Mechanism investigation indicated that 1 induced MCF-7 cells apoptosis by blocking cell cycle at S phase via inducing oxidative DNA damage.
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24
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DNA Damage Regulates the Functions of the RNA Binding Protein Sam68 through ATM-Dependent Phosphorylation. Cancers (Basel) 2022; 14:cancers14163847. [PMID: 36010841 PMCID: PMC9405969 DOI: 10.3390/cancers14163847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/26/2022] [Accepted: 08/05/2022] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Alterations of the complex network of interactions between the DNA damage response pathway and RNA metabolism have been described in several tumors, and increasing efforts are devoted to the elucidation of the molecular mechanisms involved in this network. Previous large-scale proteomic studies identified the RNA binding protein Sam68 as a putative target of the ATM kinase. Herein, we demonstrate that ATM phosphorylates Sam68 upon DNA damage induction, and this post-translational modification regulates both the signaling function of Sam68 in the initial phase of the DNA damage response and its RNA processing activity. Thus, our study uncovers anew crosstalk between ATM and Sam68, which may represent a paradigm for the functional interaction between the DDR pathway and RNA binding proteins, and a possible actionabletarget in human cancers. Abstract Cancer cells frequently exhibit dysregulation of the DNA damage response (DDR), genomic instability, and altered RNA metabolism. Recent genome-wide studies have strongly suggested an interaction between the pathways involved in the cellular response to DDR and in the regulation of RNA metabolism, but the molecular mechanism(s) involved in this crosstalk are largely unknown. Herein, we found that activation of the DDR kinase ATM promotes its interaction with Sam68, leading to phosphorylation of this multifunctional RNA binding protein (RBP) on three residues: threonine 61, serine 388 and serine 390. Moreover, we demonstrate that ATM-dependent phosphorylation of threonine 61 promotes the function of Sam68 in the DDR pathway and enhances its RNA processing activity. Importantly, ATM-mediated phosphorylation of Sam68 in prostate cancer cells modulates alternative polyadenylation of transcripts that are targets of Sam68, supporting the notion that the ATM–Sam68 axis exerts a multifaceted role in the response to DNA damage. Thus, our work validates Sam68 as an ATM kinase substrate and uncovers an unexpected bidirectional interplay between ATM and Sam68, which couples the DDR pathway to modulation of RNA metabolism in response to genotoxic stress.
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25
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NUCKS1 is a highly modified, chromatin-associated protein involved in a diverse set of biological and pathophysiological processes. Biochem J 2022; 479:1205-1220. [PMID: 35695515 PMCID: PMC10016235 DOI: 10.1042/bcj20220075] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/17/2022] [Accepted: 05/26/2022] [Indexed: 11/17/2022]
Abstract
The Nuclear Casein and Cyclin-dependent Kinase Substrate 1 (NUCKS1) protein is highly conserved in vertebrates, predominantly localized to the nucleus and one of the most heavily modified proteins in the human proteome. NUCKS1 expression is high in stem cells and the brain, developmentally regulated in mice and associated with several diverse malignancies in humans, including cancer, metabolic syndrome and Parkinson's disease. NUCKS1 function has been linked to modulating chromatin architecture and transcription, DNA repair and cell cycle regulation. In this review, we summarize and discuss the published information on NUCKS1 and highlight the questions that remain to be addressed to better understand the complex biology of this multifaceted protein.
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26
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Aguado J, Gómez-Inclán C, Leeson HC, Lavin MF, Shiloh Y, Wolvetang EJ. The hallmarks of aging in Ataxia-Telangiectasia. Ageing Res Rev 2022; 79:101653. [PMID: 35644374 DOI: 10.1016/j.arr.2022.101653] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/28/2022] [Accepted: 05/24/2022] [Indexed: 01/10/2023]
Abstract
Ataxia-telangiectasia (A-T) is caused by absence of the catalytic activity of ATM, a protein kinase that plays a central role in the DNA damage response, many branches of cellular metabolism, redox and mitochondrial homeostasis, and cell cycle regulation. A-T is a complex disorder characterized mainly by progressive cerebellar degeneration, immunodeficiency, radiation sensitivity, genome instability, and predisposition to cancer. It is increasingly recognized that the premature aging component of A-T is an important driver of this disease, and A-T is therefore an attractive model to study the aging process. This review outlines the current state of knowledge pertaining to the molecular and cellular signatures of aging in A-T and proposes how these new insights can guide novel therapeutic approaches for A-T.
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Affiliation(s)
- Julio Aguado
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland 4072, Australia.
| | - Cecilia Gómez-Inclán
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland 4072, Australia
| | - Hannah C Leeson
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland 4072, Australia
| | - Martin F Lavin
- University of Queensland Centre for Clinical Research, The University of Queensland, Herston, Brisbane, Australia
| | - Yosef Shiloh
- The David and Inez Myers Laboratory of Cancer Genetics, Department of Human Molecular Genetics and Biochemistry, Tel Aviv University School of Medicine, Tel Aviv, Israel
| | - Ernst J Wolvetang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland 4072, Australia.
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27
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Lesueur F, Easton DF, Renault AL, Tavtigian SV, Bernstein JL, Kote-Jarai Z, Eeles RA, Plaseska-Karanfia D, Feliubadaló L, Arun B, Herold N, Versmold B, Schmutzler RK, Nguyen-Dumont T, Southey MC, Dorling L, Dunning AM, Ghiorzo P, Dalmasso BS, Cavaciuti E, Le Gal D, Roberts NJ, Dominguez-Valentin M, Rookus M, Taylor AMR, Goldstein AM, Goldgar DE, Stoppa-Lyonnet D, Andrieu N. First international workshop of the ATM and cancer risk group (4-5 December 2019). Fam Cancer 2022; 21:211-227. [PMID: 34125377 PMCID: PMC9969796 DOI: 10.1007/s10689-021-00248-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 03/17/2021] [Indexed: 12/17/2022]
Abstract
The first International Workshop of the ATM and Cancer Risk group focusing on the role of Ataxia-Telangiectasia Mutated (ATM) gene in cancer was held on December 4 and 5, 2019 at Institut Curie in Paris, France. It was motivated by the fact that germline ATM pathogenic variants have been found to be associated with different cancer types. However, due to the lack of precise age-, sex-, and site-specific risk estimates, no consensus on management guidelines for variant carriers exists, and the clinical utility of ATM variant testing is uncertain. The meeting brought together epidemiologists, geneticists, biologists and clinicians to review current knowledge and on-going challenges related to ATM and cancer risk. This report summarizes the meeting sessions content that covered the latest results in family-based and population-based studies, the importance of accurate variant classification, the effect of radiation exposures for ATM variant carriers, and the characteristics of ATM-deficient tumors. The report concludes that ATM variant carriers outside of the context of Ataxia-Telangiectasia may benefit from effective cancer risk management and therapeutic strategies and that efforts to set up large-scale studies in the international framework to achieve this goal are necessary.
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Affiliation(s)
- Fabienne Lesueur
- Genetic Epidemiology of Cancer Team, INSERM U900, Institut Curie, 26 rue d'Ulm, 75005, Paris, France
- Institut Curie, Paris, France
- Mines ParisTech, Fontainebleau, France
- PSL Research University, Paris, France
| | - Douglas F Easton
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge, UK
- Department of Oncology, Strangeways Research Laboratory, University of Cambridge, Cambridge, UK
| | - Anne-Laure Renault
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Australia
| | | | | | | | | | - Dijana Plaseska-Karanfia
- Research Centre for Genetic Engineering and Biotechnology « Georgi D. Efremov », MASA, Skopje, UK
| | - Lidia Feliubadaló
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), Oncobell Program, Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Barcelona, Spain
| | - Banu Arun
- University of Texas MD Anderson Cancer Center, Houston, USA
| | - Natalie Herold
- Center for Familial Breast and Ovarian Cancer, Center for Integrated Oncology (CIO), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Beatrix Versmold
- Center for Familial Breast and Ovarian Cancer, Center for Integrated Oncology (CIO), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Rita Katharina Schmutzler
- Center for Familial Breast and Ovarian Cancer, Center for Integrated Oncology (CIO), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Tú Nguyen-Dumont
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Australia
- Cancer Epidemiology Division, Cancer Council Victoria, Victoria, 3004, Australia
| | - Melissa C Southey
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Australia
- Cancer Epidemiology Division, Cancer Council Victoria, Victoria, 3004, Australia
| | - Leila Dorling
- Department of Public Health and Primary Care, Strangeways Research Laboratory, University of Cambridge, Cambridge, UK
| | - Alison M Dunning
- Department of Oncology, Strangeways Research Laboratory, University of Cambridge, Cambridge, UK
| | - Paola Ghiorzo
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Genetics of Rare Cancers, Department of Internal Medicine and Medical Specialties, University of Genoa, Genoa, Italy
| | - Bruna Samia Dalmasso
- Genetics of Rare Cancers, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Genetics of Rare Cancers, Department of Internal Medicine and Medical Specialties, University of Genoa, Genoa, Italy
| | - Eve Cavaciuti
- Genetic Epidemiology of Cancer Team, INSERM U900, Institut Curie, 26 rue d'Ulm, 75005, Paris, France
- Institut Curie, Paris, France
- Mines ParisTech, Fontainebleau, France
- PSL Research University, Paris, France
| | - Dorothée Le Gal
- Genetic Epidemiology of Cancer Team, INSERM U900, Institut Curie, 26 rue d'Ulm, 75005, Paris, France
- Institut Curie, Paris, France
- Mines ParisTech, Fontainebleau, France
- PSL Research University, Paris, France
| | - Nicholas J Roberts
- Department of Pathology, The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University, Baltimore, USA
| | - Mev Dominguez-Valentin
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Matti Rookus
- Netherlands Cancer Institute NKI, Amsterdam, The Netherlands
| | - Alexander M R Taylor
- Institute of Cancer and Genomic Science, University of Birmingham, Birmingham, UK
| | - Alisa M Goldstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institute of Health, Bethesda, USA
| | | | - Dominique Stoppa-Lyonnet
- Université Paris Descartes, Paris, France
- Service de Génétique, Institut Curie, Paris, France
- INSERM U830, Paris, France
| | - Nadine Andrieu
- Genetic Epidemiology of Cancer Team, INSERM U900, Institut Curie, 26 rue d'Ulm, 75005, Paris, France.
- Institut Curie, Paris, France.
- Mines ParisTech, Fontainebleau, France.
- PSL Research University, Paris, France.
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28
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Swift ML, Azizkhan-Clifford J. DNA damage-induced sumoylation of Sp1 induces its interaction with RNF4 and degradation in S phase to remove 53BP1 from DSBs and permit HR. DNA Repair (Amst) 2022; 111:103289. [DOI: 10.1016/j.dnarep.2022.103289] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 01/26/2022] [Accepted: 01/29/2022] [Indexed: 02/06/2023]
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29
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Geng A, Xu S, Yao Y, Qian Z, Wang X, Sun J, Zhang J, Shi F, Chen Z, Zhang W, Mao Z, Lu W, Jiang Y. Chrysin impairs genomic stability by suppressing DNA double-strand break repair in breast cancer cells. Cell Cycle 2022; 21:379-391. [PMID: 34985375 PMCID: PMC8855858 DOI: 10.1080/15384101.2021.2020434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Chrysin, a natural compound isolated from various plants, such as the blue passion flower (Passiflora caerulea L.), exhibits multiple pharmacological activities, such as antitumor, anti-inflammatory and antioxidant activities. Accumulating evidence shows that chrysin inhibits cancer cell growth by inducing apoptosis and regulating cell cycle arrest. However, whether chrysin is involved in regulating genomic stability and its underlying mechanisms in breast cancer cells have not been determined. Here, we demonstrated that chrysin impairs genomic stability in MCF-7 and BT474 cells, inhibits cell survival and enhances the sensitivity of MCF-7 cells to chemotherapeutic drugs. Further experiments revealed that chrysin impairs DNA double-strand break (DSB) repair, resulting in accumulation of DNA damage. Mechanistic studies showed that chrysin inhibits the recruitment of the key NHEJ factor 53BP1 and delays the recruitment of the HR factor RAD51. Thus, we elucidated novel regulatory mechanisms of chrysin in DSB repair and proposed that a combination of chrysin and chemotherapy has curative potential in breast cancers.
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Affiliation(s)
- Anke Geng
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China,Department of Gynecology of Shanghai First Maternity & Infant Hospital, School of Medicine, Tongji University, Shanghai, China,CONTACT Anke Geng Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai200092, China
| | - Shiya Xu
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Yunxia Yao
- College of Pharmacy, Yanbian University, Yanji, Jilin, China
| | - Zhen Qian
- Department of Gynecology of Shanghai First Maternity & Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiyue Wang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China,Department of Gynecology of Shanghai First Maternity & Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiahui Sun
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Jingyuan Zhang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Fangfang Shi
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Zhixi Chen
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Weina Zhang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Zhiyong Mao
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China,Department of Gynecology of Shanghai First Maternity & Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wen Lu
- Department of Gynecology of Shanghai First Maternity & Infant Hospital, School of Medicine, Tongji University, Shanghai, China,Wen Lu Department of Gynecology of Shanghai First Maternity & Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ying Jiang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China,Ying Jiang Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China
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30
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Kieffer SR, Lowndes NF. Immediate-Early, Early, and Late Responses to DNA Double Stranded Breaks. Front Genet 2022; 13:793884. [PMID: 35173769 PMCID: PMC8841529 DOI: 10.3389/fgene.2022.793884] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/10/2022] [Indexed: 12/18/2022] Open
Abstract
Loss or rearrangement of genetic information can result from incorrect responses to DNA double strand breaks (DSBs). The cellular responses to DSBs encompass a range of highly coordinated events designed to detect and respond appropriately to the damage, thereby preserving genomic integrity. In analogy with events occurring during viral infection, we appropriate the terms Immediate-Early, Early, and Late to describe the pre-repair responses to DSBs. A distinguishing feature of the Immediate-Early response is that the large protein condensates that form during the Early and Late response and are resolved upon repair, termed foci, are not visible. The Immediate-Early response encompasses initial lesion sensing, involving poly (ADP-ribose) polymerases (PARPs), KU70/80, and MRN, as well as rapid repair by so-called ‘fast-kinetic’ canonical non-homologous end joining (cNHEJ). Initial binding of PARPs and the KU70/80 complex to breaks appears to be mutually exclusive at easily ligatable DSBs that are repaired efficiently by fast-kinetic cNHEJ; a process that is PARP-, ATM-, 53BP1-, Artemis-, and resection-independent. However, at more complex breaks requiring processing, the Immediate-Early response involving PARPs and the ensuing highly dynamic PARylation (polyADP ribosylation) of many substrates may aid recruitment of both KU70/80 and MRN to DSBs. Complex DSBs rely upon the Early response, largely defined by ATM-dependent focal recruitment of many signalling molecules into large condensates, and regulated by complex chromatin dynamics. Finally, the Late response integrates information from cell cycle phase, chromatin context, and type of DSB to determine appropriate pathway choice. Critical to pathway choice is the recruitment of p53 binding protein 1 (53BP1) and breast cancer associated 1 (BRCA1). However, additional factors recruited throughout the DSB response also impact upon pathway choice, although these remain to be fully characterised. The Late response somehow channels DSBs into the appropriate high-fidelity repair pathway, typically either ‘slow-kinetic’ cNHEJ or homologous recombination (HR). Loss of specific components of the DSB repair machinery results in cells utilising remaining factors to effect repair, but often at the cost of increased mutagenesis. Here we discuss the complex regulation of the Immediate-Early, Early, and Late responses to DSBs proceeding repair itself.
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Abstract
Cancer is a group of diseases in which cells divide continuously and excessively. Cell division is tightly regulated by multiple evolutionarily conserved cell cycle control mechanisms, to ensure the production of two genetically identical cells. Cell cycle checkpoints operate as DNA surveillance mechanisms that prevent the accumulation and propagation of genetic errors during cell division. Checkpoints can delay cell cycle progression or, in response to irreparable DNA damage, induce cell cycle exit or cell death. Cancer-associated mutations that perturb cell cycle control allow continuous cell division chiefly by compromising the ability of cells to exit the cell cycle. Continuous rounds of division, however, create increased reliance on other cell cycle control mechanisms to prevent catastrophic levels of damage and maintain cell viability. New detailed insights into cell cycle control mechanisms and their role in cancer reveal how these dependencies can be best exploited in cancer treatment.
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Affiliation(s)
- Helen K Matthews
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
- Department of Biomedical Science, University of Sheffield, Sheffield, UK
| | - Cosetta Bertoli
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Robertus A M de Bruin
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK.
- UCL Cancer Institute, University College London, London, UK.
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Ghaleb A, Roa L, Marchenko N. Low-dose but not high-dose γ-irradiation elicits the dominant-negative effect of mutant p53 in vivo. Cancer Lett 2022; 530:128-141. [DOI: 10.1016/j.canlet.2022.01.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 01/05/2022] [Accepted: 01/15/2022] [Indexed: 12/17/2022]
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33
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Prajapati S, Locatelli M, Sawyer C, Holmes J, Bonin K, Black P, Vidi PA. Characterization and implementation of a miniature X-ray system for live cell microscopy. Mutat Res 2021; 824:111772. [PMID: 34923215 DOI: 10.1016/j.mrfmmm.2021.111772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/03/2021] [Accepted: 12/07/2021] [Indexed: 11/19/2022]
Abstract
The study of radiation effects on biological tissues is a diverse field of research with direct applications to improve human health, in particular in the contexts of radiation therapy and space exploration. Understanding the DNA damage response following radiation exposure, which is a key determinant for mutagenesis, requires reproducible methods for delivering known doses of ionizing radiation (IR) in a controlled environment. Multiple IR sources, including research X-ray and gamma-ray irradiators are routinely used in basic and translational research with cell and animal models. These systems are however not ideal when a high temporal resolution is needed, for example to study early DNA damage responses with live cell microscopy. Here, we characterize the dose rate and beam properties of a commercial, miniature, affordable, and versatile X-ray source (Mini-X). We describe how to use Mini-X on the stage of a fluorescence microscope to deliver high IR dose rates (up to 29 Gy/min) or lower dose rates (≤ 0.1 Gy/min) in live cell imaging experiments. This article provides a blueprint for radiation biology applications with high temporal resolution, with a step-by-step guide to implement a miniature X-ray system on an imaging platform, and the information needed to characterize the system.
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Affiliation(s)
- Surendra Prajapati
- Department of Radiation Physics, UT MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Maëlle Locatelli
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Caleb Sawyer
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Julia Holmes
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Keith Bonin
- Department of Physics, Wake Forest University, Winston-Salem, NC, 27109, USA; Comprehensive Cancer Center of Wake Forest University, USA
| | - Paul Black
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA; Comprehensive Cancer Center of Wake Forest University, USA.
| | - Pierre-Alexandre Vidi
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA; Institut de Cancérologie de l'Ouest, 49055, Angers, France; Comprehensive Cancer Center of Wake Forest University, USA.
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34
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Levi H, Bar E, Cohen-Adiv S, Sweitat S, Kanner S, Galron R, Mitiagin Y, Barzilai A. Dysfunction of cerebellar microglia in Ataxia-telangiectasia. Glia 2021; 70:536-557. [PMID: 34854502 DOI: 10.1002/glia.24122] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 11/09/2021] [Accepted: 11/12/2021] [Indexed: 12/13/2022]
Abstract
Ataxia-telangiectasia (A-T) is a multisystem autosomal recessive disease caused by mutations in the ATM gene and characterized by cerebellar atrophy, progressive ataxia, immunodeficiency, male and female sterility, radiosensitivity, cancer predisposition, growth retardation, insulin-resistant diabetes, and premature aging. ATM phosphorylates more than 1500 target proteins, which are involved in cell cycle control, DNA repair, apoptosis, modulation of chromatin structure, and other cytoplasmic as well as mitochondrial processes. In our quest to better understand the mechanisms by which ATM deficiency causes cerebellar degeneration, we hypothesized that specific vulnerabilities of cerebellar microglia underlie the etiology of A-T. Our hypothesis is based on the recent finding that dysfunction of glial cells affect a variety of process leading to impaired neuronal functionality (Song et al., 2019). Whereas astrocytes and neurons descend from the neural tube, microglia originate from the hematopoietic system, invade the brain at early embryonic stage, and become the innate immune cells of the central nervous system and important participants in development of synaptic plasticity. Here we demonstrate that microglia derived from Atm-/- mouse cerebellum display accelerated cell migration and are severely impaired in phagocytosis, secretion of neurotrophic factors, and mitochondrial activity, suggestive of apoptotic processes. Interestingly, no microglial impairment was detected in Atm-deficient cerebral cortex, and Atm deficiency had less impact on astroglia than microglia. Collectively, our findings validate the roles of glial cells in cerebellar attrition in A-T.
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Affiliation(s)
- Hadar Levi
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Ela Bar
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Stav Cohen-Adiv
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Suzan Sweitat
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Sivan Kanner
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Ronit Galron
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Yulia Mitiagin
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Ari Barzilai
- Department of Neurobiology, George S. Wise, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
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35
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Hume S, Grou CP, Lascaux P, D'Angiolella V, Legrand AJ, Ramadan K, Dianov GL. The NUCKS1-SKP2-p21/p27 axis controls S phase entry. Nat Commun 2021; 12:6959. [PMID: 34845229 PMCID: PMC8630071 DOI: 10.1038/s41467-021-27124-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 11/02/2021] [Indexed: 11/13/2022] Open
Abstract
Efficient entry into S phase of the cell cycle is necessary for embryonic development and tissue homoeostasis. However, unscheduled S phase entry triggers DNA damage and promotes oncogenesis, underlining the requirement for strict control. Here, we identify the NUCKS1-SKP2-p21/p27 axis as a checkpoint pathway for the G1/S transition. In response to mitogenic stimulation, NUCKS1, a transcription factor, is recruited to chromatin to activate expression of SKP2, the F-box component of the SCFSKP2 ubiquitin ligase, leading to degradation of p21 and p27 and promoting progression into S phase. In contrast, DNA damage induces p53-dependent transcriptional repression of NUCKS1, leading to SKP2 downregulation, p21/p27 upregulation, and cell cycle arrest. We propose that the NUCKS1-SKP2-p21/p27 axis integrates mitogenic and DNA damage signalling to control S phase entry. The Cancer Genome Atlas (TCGA) data reveal that this mechanism is hijacked in many cancers, potentially allowing cancer cells to sustain uncontrolled proliferation.
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Affiliation(s)
- Samuel Hume
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK
| | - Claudia P Grou
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK
| | - Pauline Lascaux
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK
| | - Vincenzo D'Angiolella
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK
| | - Arnaud J Legrand
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK.
- Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, SW3 6JB, UK.
| | - Kristijan Ramadan
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK.
| | - Grigory L Dianov
- Medical Research Council Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, UK.
- Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Lavrentieva 10, 630090, Novosibirsk, Russia.
- Novosibirsk State University, Novosibirsk, Russian Federation, 630090, Russia.
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36
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Zhitkovich A. Ascorbate: antioxidant and biochemical activities and their importance for in vitro models. Arch Toxicol 2021; 95:3623-3631. [PMID: 34596731 DOI: 10.1007/s00204-021-03167-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 09/16/2021] [Indexed: 12/19/2022]
Abstract
Ascorbate has many biological activities that involve fundamental cellular functions such as gene expression, differentiation, and redox homeostasis. Biochemically, it serves as a cofactor for a large family of dioxygenases (> 60 members) which control transcription, formation of extracellular matrix, and epigenetic processes of histone and DNA demethylation. Ascorbate is also a major antioxidant acting as a very effective scavenger of primary reactive oxygen species. Reduction of Fe(III) by ascorbate is important for cellular uptake of iron via DMT1. Cell culture models are extensively used in toxicology and pharmacology for mechanistic studies of nutrients, drugs and other xenobiotics. High-throughput screens in vitro, such as a large-scale Tox21 program in the US, offers opportunities to assess hazardous properties of a vast and growing number of industrial chemicals. However, cells in typical cultures are severely deficient in ascorbate, raising concerns about their ability to accurately recapitulate toxic and other responses in vivo. Scarcity of ascorbate and a frequently unrecognized use of media with its thiol substitute alters stress sensitivity of cells in different directions. Remediation of ascorbate deficiency in tissue culture restores the physiological state of many cellular processes and it should improve a currently limited toxicity predictability of in vitro bioassays.
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Affiliation(s)
- Anatoly Zhitkovich
- Department of Pathology and Laboratory Medicine, Brown University, 70 Ship Street, Room 507, Providence, RI, 02912, USA.
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37
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Kim M, Park J, Bouhaddou M, Kim K, Rojc A, Modak M, Soucheray M, McGregor MJ, O'Leary P, Wolf D, Stevenson E, Foo TK, Mitchell D, Herrington KA, Muñoz DP, Tutuncuoglu B, Chen KH, Zheng F, Kreisberg JF, Diolaiti ME, Gordan JD, Coppé JP, Swaney DL, Xia B, van 't Veer L, Ashworth A, Ideker T, Krogan NJ. A protein interaction landscape of breast cancer. Science 2021; 374:eabf3066. [PMID: 34591612 PMCID: PMC9040556 DOI: 10.1126/science.abf3066] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Minkyu Kim
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Jisoo Park
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, University of California, San Diego, CA, USA
| | - Mehdi Bouhaddou
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Kyumin Kim
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Ajda Rojc
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Maya Modak
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Margaret Soucheray
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Michael J McGregor
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Patrick O'Leary
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Denise Wolf
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Erica Stevenson
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Tzeh Keong Foo
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Dominique Mitchell
- Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Division of Hematology/Oncology, University of California, San Francisco, CA, USA
| | - Kari A Herrington
- Department of Biochemistry and Biophysics, Center for Advanced Light Microscopy, University of California, San Francisco, CA, USA
| | - Denise P Muñoz
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Beril Tutuncuoglu
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Kuei-Ho Chen
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Fan Zheng
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, University of California, San Diego, CA, USA
| | - Jason F Kreisberg
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, University of California, San Diego, CA, USA
| | - Morgan E Diolaiti
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - John D Gordan
- Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Division of Hematology/Oncology, University of California, San Francisco, CA, USA
| | - Jean-Philippe Coppé
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Danielle L Swaney
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
| | - Bing Xia
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Laura van 't Veer
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Alan Ashworth
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Trey Ideker
- The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA.,Department of Medicine, University of California, San Diego, CA, USA.,Department of Bioengineering, University of California, San Diego, CA, USA
| | - Nevan J Krogan
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA, USA.,The J. David Gladstone Institute of Data Science and Biotechnology, San Francisco, CA, USA.,Quantitative Biosciences Institute, University of California, San Francisco, CA, USA.,The Cancer Cell Map Initiative, San Francisco and La Jolla, CA, USA
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Swift ML, Beishline K, Azizkhan-Clifford J. Sp1-dependent recruitment of the histone acetylase p300 to DSBs facilitates chromatin remodeling and recruitment of the NHEJ repair factor Ku70. DNA Repair (Amst) 2021; 105:103171. [PMID: 34252870 DOI: 10.1016/j.dnarep.2021.103171] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/18/2021] [Accepted: 07/04/2021] [Indexed: 11/18/2022]
Abstract
In response to DNA damage, most factors involved in damage recognition and repair are tightly regulated to ensure proper repair pathway choice. Histone acetylation at DNA double strand breaks (DSBs) by p300 histone acetyltransferase (HAT) is critical for the recruitment of DSB repair proteins to chromatin. Here, we show that phosphorylation of Sp1 by ATM increases its interaction with p300 and that Sp1-dependent recruitment of p300 to DSBs is necessary to modify the histones associated with p300 activity and NHEJ repair factor recruitment and repair. p300 is known to acetylate multiple residues on histones H3 and H4 necessary for NHEJ. Acetylation of H3K18 by p300 is associated with the recruitment of the SWI/SNF chromatin remodeling complex and Ku70 to DSBs for NHEJ repair. Depletion of Sp1 results in decreased acetylation of lysines on histones H3 and H4. Specifically, cells depleted of Sp1 display defects in the acetylation of H3K18, resulting in defective SWI/SNF and Ku70 recruitment to DSBs. These results shed light on mechanisms by which chromatin remodelers are regulated to ensure activation of the appropriate DSB repair pathway.
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Affiliation(s)
- Michelle L Swift
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Kate Beishline
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Jane Azizkhan-Clifford
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA.
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39
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Cellular functions of the protein kinase ATM and their relevance to human disease. Nat Rev Mol Cell Biol 2021; 22:796-814. [PMID: 34429537 DOI: 10.1038/s41580-021-00394-2] [Citation(s) in RCA: 99] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2021] [Indexed: 02/07/2023]
Abstract
The protein kinase ataxia telangiectasia mutated (ATM) is a master regulator of double-strand DNA break (DSB) signalling and stress responses. For three decades, ATM has been investigated extensively to elucidate its roles in the DNA damage response (DDR) and in the pathogenesis of ataxia telangiectasia (A-T), a human neurodegenerative disease caused by loss of ATM. Although hundreds of proteins have been identified as ATM phosphorylation targets and many important roles for this kinase have been identified, it is still unclear how ATM deficiency leads to the early-onset cerebellar degeneration that is common in all individuals with A-T. Recent studies suggest the existence of links between ATM deficiency and other cerebellum-specific neurological disorders, as well as the existence of broader similarities with more common neurodegenerative disorders. In this Review, we discuss recent structural insights into ATM regulation, and possible aetiologies of A-T phenotypes, including reactive oxygen species, mitochondrial dysfunction, alterations in transcription, R-loop metabolism and alternative splicing, defects in cellular proteostasis and metabolism, and potential pathogenic roles for hyper-poly(ADP-ribosyl)ation.
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40
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Liu F, Pan R, Ding H, Gu L, Yang Y, Li C, Xu Y, Hu R, Chen H, Zhang X, Nie Y. UBQLN4 is an ATM substrate that stabilizes the anti-apoptotic proteins BCL2A1 and BCL2L10 in mesothelioma. Mol Oncol 2021; 15:3738-3752. [PMID: 34245648 PMCID: PMC8637560 DOI: 10.1002/1878-0261.13058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 05/18/2021] [Accepted: 07/09/2021] [Indexed: 11/15/2022] Open
Abstract
ATM serine/threonine kinase (ATM; previously known as ataxia‐telangiectasia mutated) plays a critical role in maintaining genomic stability and regulates multiple downstream pathways, such as DNA repair, cell cycle arrest, and apoptosis. As a serine/threonine kinase, ATM has an array of downstream phosphorylation substrates, including checkpoint effector checkpoint kinase 2 (CHK2). ATM inhibits cell cycle progression by phosphorylating and activating CHK2, which plays an important role in the formation and development of tumors and participates in DNA repair responses after double‐stranded DNA breaks. In this study, we used a recently developed mammalian functional genetic screening system to explore a series of ATM substrates and their role in DNA damage to enhance our understanding of the DNA damage response. Ubiquilin 4 (UBQLN4), which belongs to the ubiquilin family characterized by its ubiquitin‐like (UBL) and ubiquitin‐associated (UBA) domains, was identified as a new substrate for ATM. UBQLN4 is involved in various intracellular processes, such as autophagosome maturation, p21 regulation, and motor axon morphogenesis. However, the biological function of UBQLN4 remains to be elucidated. In this study, we not only identified UBQLN4 as a substrate for ATM, but also found that UBQLN4 interacts with and stabilizes the anti‐apoptotic proteins Bcl‐2‐related protein A1 (BCL2A1) and Bcl‐2‐like protein 10 (BCL2L10) and prevents mesothelioma cell apoptosis in response to DNA damage. These findings expand our understanding of the role of UBQLN4 in mesothelioma and provide new insights into potential mesothelioma treatments targeting substrates for ATM.
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Affiliation(s)
- Fang Liu
- Medical College, Guizhou University, Guiyang, China
| | - RunSang Pan
- GuiYang Maternal and Child Hospital, Guiyang, China
| | - HongYu Ding
- State Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Innovation Center for Cell Signaling Network, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - LiLing Gu
- Medical College, Guizhou University, Guiyang, China.,Department of Rehabilitation, Guizhou Provincial People's Hospital, Guiyang, China.,NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, China
| | - Yun Yang
- Medical College, Guizhou University, Guiyang, China
| | - ChuanYin Li
- State Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Innovation Center for Cell Signaling Network, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - YongJie Xu
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, China
| | - Ronggui Hu
- State Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Innovation Center for Cell Signaling Network, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Hui Chen
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, China
| | - XiangYan Zhang
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, China
| | - YingJie Nie
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital, Guiyang, China
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41
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Nagane M, Yasui H, Kuppusamy P, Yamashita T, Inanami O. DNA damage response in vascular endothelial senescence: Implication for radiation-induced cardiovascular diseases. JOURNAL OF RADIATION RESEARCH 2021; 62:564-573. [PMID: 33912932 PMCID: PMC8273807 DOI: 10.1093/jrr/rrab032] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/24/2021] [Indexed: 05/27/2023]
Abstract
A post-exposure cohort study in Hiroshima and Nagasaki reported that low-dose exposure to radiation heightened the risk of cardiovascular diseases (CVD), such as stroke and myocardial infarction, by 14-18% per Gy. Moreover, the risk of atherosclerosis in the coronary arteries reportedly increases with radiation therapy of the chest, including breast and lung cancer treatment. Cellular senescence of vascular endothelial cells (ECs) is believed to play an important role in radiation-induced CVDs. The molecular mechanism of age-related cellular senescence is believed to involve genomic instability and DNA damage response (DDR); the chronic inflammation associated with senescence causes cardiovascular damage. Therefore, vascular endothelial cell senescence is believed to induce the pathogenesis of CVDs after radiation exposure. The findings of several prior studies have revealed that ionizing radiation (IR) induces cellular senescence as well as cell death in ECs. We have previously reported that DDR activates endothelial nitric oxide (NO) synthase, and NO production promotes endothelial senescence. Endothelial NO synthase (eNOS) is a major isoform expressed in ECs that maintains cardiovascular homeostasis. Therefore, radiation-induced NO production, a component of the DDR in ECs, may be involved in CVDs after radiation exposure. In this article, we describe the pathology of radiation-induced CVD and the unique radio-response to radiation exposure in ECs.
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Affiliation(s)
- Masaki Nagane
- Laboratory of Biochemistry, School of Veterinary Medicine, Azabu University, Sagamihara, Kanagawa 252-5201, Japan
| | - Hironobu Yasui
- Laboratory of Radiation Biology, Department of Applied Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido 060-0818, Japan
| | - Periannan Kuppusamy
- Department of Radiology, The Geisel School of Medicine, Dartmouth College, Lebanon, New Hampshire 03756, US
| | - Tadashi Yamashita
- Laboratory of Biochemistry, School of Veterinary Medicine, Azabu University, Sagamihara, Kanagawa 252-5201, Japan
| | - Osamu Inanami
- Laboratory of Radiation Biology, Department of Applied Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido 060-0818, Japan
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42
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Phan LM, Rezaeian AH. ATM: Main Features, Signaling Pathways, and Its Diverse Roles in DNA Damage Response, Tumor Suppression, and Cancer Development. Genes (Basel) 2021; 12:genes12060845. [PMID: 34070860 PMCID: PMC8228802 DOI: 10.3390/genes12060845] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 11/30/2022] Open
Abstract
ATM is among of the most critical initiators and coordinators of the DNA-damage response. ATM canonical and non-canonical signaling pathways involve hundreds of downstream targets that control many important cellular processes such as DNA damage repair, apoptosis, cell cycle arrest, metabolism, proliferation, oxidative sensing, among others. Of note, ATM is often considered a major tumor suppressor because of its ability to induce apoptosis and cell cycle arrest. However, in some advanced stage tumor cells, ATM signaling is increased and confers remarkable advantages for cancer cell survival, resistance to radiation and chemotherapy, biosynthesis, proliferation, and metastasis. This review focuses on addressing major characteristics, signaling pathways and especially the diverse roles of ATM in cellular homeostasis and cancer development.
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Affiliation(s)
- Liem Minh Phan
- Department of Molecular & Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Correspondence: (L.M.P.); (A.-H.R.)
| | - Abdol-Hossein Rezaeian
- Department of Drug Discovery & Biomedical Sciences, College of Pharmacy, The University of South Carolina, Columbia, SC 29208, USA
- Correspondence: (L.M.P.); (A.-H.R.)
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43
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Storchova R, Burdova K, Palek M, Medema RH, Macurek L. A novel assay for screening WIP1 phosphatase substrates in nuclear extracts. FEBS J 2021; 288:6035-6051. [PMID: 33982878 DOI: 10.1111/febs.15965] [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: 02/26/2021] [Revised: 04/13/2021] [Accepted: 05/10/2021] [Indexed: 11/30/2022]
Abstract
Upon exposure to genotoxic stress, cells activate DNA damage response (DDR) that coordinates DNA repair with a temporal arrest in the cell cycle progression. DDR is triggered by activation of ataxia telangiectasia mutated/ataxia telangiectasia and Rad3-related protein kinases that phosphorylate multiple targets including tumor suppressor protein tumor suppressor p53 (p53). In addition, DNA damage can activate parallel stress response pathways [such as mitogen-activated protein kinase p38 alpha (p38)/MAPK-activated protein kinase 2 (MK2) kinases] contributing to establishing the cell cycle arrest. Wild-type p53-induced phosphatase 1 (WIP1) controls timely inactivation of DDR and is needed for recovery from the G2 checkpoint by counteracting the function of p53. Here, we developed a simple in vitro assay for testing WIP1 substrates in nuclear extracts. Whereas we did not detect any activity of WIP1 toward p38/MK2, we confirmed p53 as a substrate of WIP1. Inhibition or inactivation of WIP1 in U2OS cells increased phosphorylation of p53 at S15 and potentiated its acetylation at K382. Further, we identified Deleted in breast cancer gene 1 (DBC1) as a new substrate of WIP1 but surprisingly, depletion of DBC1 did not interfere with the ability of WIP1 to regulate p53 acetylation. Instead, we have found that WIP1 activity suppresses p53-K382 acetylation by inhibiting the interaction between p53 and the acetyltransferase p300. Newly established phosphatase assay allows an easy comparison of WIP1 ability to dephosphorylate various proteins and thus contributes to identification of its physiological substrates.
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Affiliation(s)
- Radka Storchova
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic.,Faculty of Science, Charles University, Prague, Czech Republic
| | - Kamila Burdova
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Matous Palek
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - René H Medema
- Division of Cell Biology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Libor Macurek
- Cancer Cell Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
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44
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Klaric JA, Wüst S, Panier S. New Faces of old Friends: Emerging new Roles of RNA-Binding Proteins in the DNA Double-Strand Break Response. Front Mol Biosci 2021; 8:668821. [PMID: 34026839 PMCID: PMC8138124 DOI: 10.3389/fmolb.2021.668821] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 04/22/2021] [Indexed: 12/14/2022] Open
Abstract
DNA double-strand breaks (DSBs) are highly cytotoxic DNA lesions. To protect genomic stability and ensure cell homeostasis, cells mount a complex signaling-based response that not only coordinates the repair of the broken DNA strand but also activates cell cycle checkpoints and, if necessary, induces cell death. The last decade has seen a flurry of studies that have identified RNA-binding proteins (RBPs) as novel regulators of the DSB response. While many of these RBPs have well-characterized roles in gene expression, it is becoming increasingly clear that they also have non-canonical functions in the DSB response that go well beyond transcription, splicing and mRNA processing. Here, we review the current understanding of how RBPs are integrated into the cellular response to DSBs and describe how these proteins directly participate in signal transduction, amplification and repair at damaged chromatin. In addition, we discuss the implications of an RBP-mediated DSB response for genome instability and age-associated diseases such as cancer and neurodegeneration.
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Affiliation(s)
- Julie A Klaric
- Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Stas Wüst
- Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Stephanie Panier
- Max Planck Institute for Biology of Ageing, Cologne, Germany.,Cologne Cluster of Excellence in Cellular Stress Responses in Aging-Associated Diseases (CECAD) Research Center, University of Cologne, Cologne, Germany
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45
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Wagner SA, Szczesniak PP, Voigt A, Gräf JF, Beli P. Proteomic analysis of tyrosine phosphorylation induced by exogenous expression of oncogenic kinase fusions identified in lung adenocarcinoma. Proteomics 2021; 21:e2000283. [PMID: 33768672 DOI: 10.1002/pmic.202000283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/15/2021] [Accepted: 03/17/2021] [Indexed: 11/11/2022]
Abstract
Kinase fusions are considered oncogenic drivers in numerous types of cancer. In lung adenocarcinoma 5-10% of patients harbor kinase fusions. The most frequently detected kinase fusion involves the Anaplastic Lymphoma Kinase (ALK) and Echinoderm Microtubule-associated protein-Like 4 (EML4). In addition, oncogenic kinase fusions involving the tyrosine kinases RET and ROS1 are found in smaller subsets of patients. In this study, we employed quantitative mass spectrometry-based phosphoproteomics to define the cellular tyrosine phosphorylation patterns induced by different oncogenic kinase fusions identified in patients with lung adenocarcinoma. We show that exogenous expression of the kinase fusions in HEK 293T cells leads to widespread tyrosine phosphorylation. Direct comparison of different kinase fusions demonstrates that the kinase part and not the fusion partner primarily defines the phosphorylation pattern. The tyrosine phosphorylation patterns differed between ALK, ROS1, and RET fusions, suggesting that oncogenic signaling induced by these kinases involves the modulation of different cellular processes.
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Affiliation(s)
- Sebastian A Wagner
- Department of Medicine, Hematology/Oncology, Goethe University School of Medicine, Frankfurt, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Pawel P Szczesniak
- Department of Medicine, Hematology/Oncology, Goethe University School of Medicine, Frankfurt, Germany
| | - Andrea Voigt
- Institute of Molecular Biology (IMB), Mainz, Germany
| | - Justus F Gräf
- Institute of Molecular Biology (IMB), Mainz, Germany
| | - Petra Beli
- Institute of Molecular Biology (IMB), Mainz, Germany.,Institute of Developmental Biology and Neurobiology (IDN), Johannes Gutenberg University, Mainz, Germany
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46
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Rolfs F, Piersma SR, Dias MP, Jonkers J, Jimenez CR. Feasibility of Phosphoproteomics on Leftover Samples After RNA Extraction With Guanidinium Thiocyanate. Mol Cell Proteomics 2021; 20:100078. [PMID: 33819647 PMCID: PMC8111777 DOI: 10.1016/j.mcpro.2021.100078] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 03/29/2021] [Indexed: 12/21/2022] Open
Abstract
In daily practice, different types of biomolecules are usually extracted for large-scale "omics" analysis with tailored protocols. However, when sample material is limited, an all-in-one strategy is preferable. Although lysis of cells and tissues with urea is widely used for phosphoproteomic applications, DNA, RNA, and proteins can be simultaneously extracted from small samples using acid guanidinium thiocyanate-phenol-chloroform (AGPC). Use of AGPC for mass spectrometry-based phosphoproteomics was reported but has not yet been thoroughly evaluated against a classical phosphoproteomic protocol. Here we compared urea- with AGPC-based protein extraction, profiling phosphorylations in the DNA damage response pathway after ionizing irradiation of U2OS cells as proof of principle. On average we identified circa 9000 phosphosites per sample with both extraction methods. Moreover, we observed high similarity of phosphosite characteristics (e.g., 94% shared class 1 identifications) and deduced kinase activities (e.g., ATM, ATR, CHEK1/2, PRKDC). We furthermore extended our comparison to murine and human tissue samples yielding similar and highly correlated results for both extraction protocols. AGPC-based sample extraction can thus replace common cell lysates for phosphoproteomic workflows and may thus be an attractive way to obtain input material for multiple omics workflows, yielding several data types from a single sample.
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Key Words
- agpc, acid guanidinium thiocyanate–phenol–chloroform
- hcc, hepatocellular carcinoma
- inka, integrative inferred kinase activity
- ir, irradiated
- mbr, match between runs
- nt, untreated
- ps, phosphosite(s)
- ptm-sea, posttranslational modification signature enrichment analysis
- ptyr, phosphotyrosine
- rnab, rna-bee
- u2os, u2 osteosarcoma
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Affiliation(s)
- Frank Rolfs
- Amsterdam UMC, OncoProteomics Laboratory, Department Medical Oncology, Location VUmc, Amsterdam, the Netherlands; Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands; Oncode institute, Amsterdam, the Netherlands
| | - Sander R Piersma
- Amsterdam UMC, OncoProteomics Laboratory, Department Medical Oncology, Location VUmc, Amsterdam, the Netherlands
| | - Mariana Paes Dias
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands; Oncode institute, Amsterdam, the Netherlands
| | - Jos Jonkers
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands; Oncode institute, Amsterdam, the Netherlands.
| | - Connie R Jimenez
- Amsterdam UMC, OncoProteomics Laboratory, Department Medical Oncology, Location VUmc, Amsterdam, the Netherlands.
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47
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Maranon DG, Sharma N, Huang Y, Selemenakis P, Wang M, Altina N, Zhao W, Wiese C. NUCKS1 promotes RAD54 activity in homologous recombination DNA repair. J Cell Biol 2021; 219:152064. [PMID: 32876692 PMCID: PMC7659731 DOI: 10.1083/jcb.201911049] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 05/04/2020] [Accepted: 06/18/2020] [Indexed: 12/13/2022] Open
Abstract
NUCKS1 (nuclear ubiquitous casein kinase and cyclin-dependent kinase substrate 1) is a chromatin-associated, vertebrate-specific, and multifunctional protein with a role in DNA damage signaling and repair. Previously, we have shown that NUCKS1 helps maintain homologous recombination (HR) DNA repair in human cells and functions as a tumor suppressor in mice. However, the mechanisms by which NUCKS1 positively impacts these processes had remained unclear. Here, we show that NUCKS1 physically and functionally interacts with the DNA motor protein RAD54. Upon exposure of human cells to DNA-damaging agents, NUCKS1 controls the resolution of RAD54 foci. In unperturbed cells, NUCKS1 prevents RAD54's inappropriate engagement with RAD51AP1. In vitro, NUCKS1 stimulates the ATPase activity of RAD54 and the RAD51-RAD54-mediated strand invasion step during displacement loop formation. Taken together, our data demonstrate that the NUCKS1 protein is an important new regulator of the spatiotemporal events in HR.
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Affiliation(s)
- David G Maranon
- Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO
| | - Neelam Sharma
- Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO
| | - Yuxin Huang
- Department of Biochemistry and Structural Biology, University of Texas Health San Antonio, San Antonio, TX
| | - Platon Selemenakis
- Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO.,Cell and Molecular Biology Graduate Program, Colorado State University, Fort Collins, CO
| | - Meiling Wang
- Department of Biochemistry and Structural Biology, University of Texas Health San Antonio, San Antonio, TX
| | - Noelia Altina
- Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO.,Cell and Molecular Biology Graduate Program, Colorado State University, Fort Collins, CO
| | - Weixing Zhao
- Department of Biochemistry and Structural Biology, University of Texas Health San Antonio, San Antonio, TX
| | - Claudia Wiese
- Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO.,Cell and Molecular Biology Graduate Program, Colorado State University, Fort Collins, CO
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48
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Swift ML, Beishline K, Flashner S, Azizkhan-Clifford J. DSB repair pathway choice is regulated by recruitment of 53BP1 through cell cycle-dependent regulation of Sp1. Cell Rep 2021; 34:108840. [PMID: 33730584 DOI: 10.1016/j.celrep.2021.108840] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 09/13/2020] [Accepted: 02/17/2021] [Indexed: 12/14/2022] Open
Abstract
Although many of the factors, epigenetic changes, and cell cycle stages that distinguish repair of double-strand breaks (DSBs) by homologous recombination (HR) from non-homologous end joining (NHEJ) are known, the underlying mechanisms that determine pathway choice are incompletely understood. Previously, we found that the transcription factor Sp1 is recruited to DSBs and is necessary for repair. Here, we demonstrate that Sp1 localizes to DSBs in G1 and is necessary for recruitment of the NHEJ repair factor, 53BP1. Phosphorylation of Sp1-S59 in early S phase evicts Sp1 and 53BP1 from the break site; inhibition of that phosphorylation results in 53BP1 and Sp1 remaining at DSBs in S phase cells, precluding BRCA1 binding and suppressing HR. Expression of Sp1-S59A increases sensitivity of BRCA1+/+ cells to poly (ADP-ribose) polymerase (PARP) inhibition similar to BRCA1 deficiency. These data demonstrate how Sp1 integrates the cell cycle and DSB repair pathway choice to favor NHEJ.
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Affiliation(s)
- Michelle L Swift
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Kate Beishline
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Samuel Flashner
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Jane Azizkhan-Clifford
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA, USA.
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49
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Rosales M, Rodríguez-Ulloa A, Besada V, Ramón AC, Pérez GV, Ramos Y, Guirola O, González LJ, Zettl K, Wiśniewski JR, Perera Y, Perea SE. Phosphoproteomic Landscape of AML Cells Treated with the ATP-Competitive CK2 Inhibitor CX-4945. Cells 2021; 10:cells10020338. [PMID: 33562780 PMCID: PMC7915770 DOI: 10.3390/cells10020338] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/30/2021] [Accepted: 02/02/2021] [Indexed: 12/13/2022] Open
Abstract
Casein kinase 2 (CK2) regulates a plethora of proteins with pivotal roles in solid and hematological neoplasia. Particularly, in acute myeloid leukemia (AML) CK2 has been pointed as an attractive therapeutic target and prognostic marker. Here, we explored the impact of CK2 inhibition over the phosphoproteome of two cell lines representing major AML subtypes. Quantitative phosphoproteomic analysis was conducted to evaluate changes in phosphorylation levels after incubation with the ATP-competitive CK2 inhibitor CX-4945. Functional enrichment, network analysis, and database mining were performed to identify biological processes, signaling pathways, and CK2 substrates that are responsive to CX-4945. A total of 273 and 1310 phosphopeptides were found differentially modulated in HL-60 and OCI-AML3 cells, respectively. Despite regulated phosphopeptides belong to proteins involved in multiple biological processes and signaling pathways, most of these perturbations can be explain by direct CK2 inhibition rather than off-target effects. Furthermore, CK2 substrates regulated by CX-4945 are mainly related to mRNA processing, translation, DNA repair, and cell cycle. Overall, we evidenced that CK2 inhibitor CX-4945 impinge on mediators of signaling pathways and biological processes essential for primary AML cells survival and chemosensitivity, reinforcing the rationale behind the pharmacologic blockade of protein kinase CK2 for AML targeted therapy.
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Affiliation(s)
- Mauro Rosales
- Department of Animal and Human Biology, Faculty of Biology, University of Havana (UH), Havana 10400, Cuba;
- Molecular Oncology Group, Department of Pharmaceuticals, Biomedical Research Division, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (A.C.R.); (G.V.P.)
| | - Arielis Rodríguez-Ulloa
- Mass Spectrometry Laboratory, Proteomics Group, Department of Systems Biology, Biomedical Research Division, CIGB, Havana 10600, Cuba; (A.R.-U.); (V.B.); (Y.R.); (L.J.G.)
| | - Vladimir Besada
- Mass Spectrometry Laboratory, Proteomics Group, Department of Systems Biology, Biomedical Research Division, CIGB, Havana 10600, Cuba; (A.R.-U.); (V.B.); (Y.R.); (L.J.G.)
| | - Ailyn C. Ramón
- Molecular Oncology Group, Department of Pharmaceuticals, Biomedical Research Division, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (A.C.R.); (G.V.P.)
| | - George V. Pérez
- Molecular Oncology Group, Department of Pharmaceuticals, Biomedical Research Division, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (A.C.R.); (G.V.P.)
| | - Yassel Ramos
- Mass Spectrometry Laboratory, Proteomics Group, Department of Systems Biology, Biomedical Research Division, CIGB, Havana 10600, Cuba; (A.R.-U.); (V.B.); (Y.R.); (L.J.G.)
| | - Osmany Guirola
- Bioinformatics Group, Department of Systems Biology, Biomedical Research Division, CIGB, Havana 10600, Cuba;
| | - Luis J. González
- Mass Spectrometry Laboratory, Proteomics Group, Department of Systems Biology, Biomedical Research Division, CIGB, Havana 10600, Cuba; (A.R.-U.); (V.B.); (Y.R.); (L.J.G.)
| | - Katharina Zettl
- Biochemical Proteomics Group, Department of Proteomics and Signal Transduction, Max-Planck Institute of Biochemistry, 82152 Munich, Germany; (K.Z.); (J.R.W.)
| | - Jacek R. Wiśniewski
- Biochemical Proteomics Group, Department of Proteomics and Signal Transduction, Max-Planck Institute of Biochemistry, 82152 Munich, Germany; (K.Z.); (J.R.W.)
| | - Yasser Perera
- Molecular Oncology Group, Department of Pharmaceuticals, Biomedical Research Division, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (A.C.R.); (G.V.P.)
- China-Cuba Biotechnology Joint Innovation Center (CCBJIC), Yongzhou Zhong Gu Biotechnology Co., Ltd, Lengshuitan District, Yongzhou 425000, China
- Correspondence: (Y.P.); (S.E.P.)
| | - Silvio E. Perea
- Molecular Oncology Group, Department of Pharmaceuticals, Biomedical Research Division, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (A.C.R.); (G.V.P.)
- Correspondence: (Y.P.); (S.E.P.)
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50
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Schlam-Babayov S, Bensimon A, Harel M, Geiger T, Aebersold R, Ziv Y, Shiloh Y. Phosphoproteomics reveals novel modes of function and inter-relationships among PIKKs in response to genotoxic stress. EMBO J 2020; 40:e104400. [PMID: 33215756 DOI: 10.15252/embj.2020104400] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 08/13/2020] [Accepted: 10/12/2020] [Indexed: 01/10/2023] Open
Abstract
The DNA damage response (DDR) is a complex signaling network that relies on cascades of protein phosphorylation, which are initiated by three protein kinases of the family of PI3-kinase-related protein kinases (PIKKs): ATM, ATR, and DNA-PK. ATM is missing or inactivated in the genome instability syndrome, ataxia-telangiectasia (A-T). The relative shares of these PIKKs in the response to genotoxic stress and the functional relationships among them are central questions in the genome stability field. We conducted a comprehensive phosphoproteomic analysis in human wild-type and A-T cells treated with the double-strand break-inducing chemical, neocarzinostatin, and validated the results with the targeted proteomic technique, selected reaction monitoring. We also matched our results with 34 published screens for DDR factors, creating a valuable resource for identifying strong candidates for novel DDR players. We uncovered fine-tuned dynamics between the PIKKs following genotoxic stress, such as DNA-PK-dependent attenuation of ATM. In A-T cells, partial compensation for ATM absence was provided by ATR and DNA-PK, with distinct roles and kinetics. The results highlight intricate relationships between these PIKKs in the DDR.
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Affiliation(s)
- Sapir Schlam-Babayov
- The David and Inez Myers Laboratory of Cancer Genetics, Department of Human Molecular Genetics and Biochemistry, Tel Aviv University School of Medicine, Tel Aviv, Israel
| | - Ariel Bensimon
- Department of Biology, Institute of Molecular Systems Biology, ETH Zurich, Zurich, Switzerland
| | - Michal Harel
- Department of Human Molecular Genetics and Biochemistry, Tel Aviv University School of Medicine, Tel Aviv, Israel
| | - Tamar Geiger
- Department of Human Molecular Genetics and Biochemistry, Tel Aviv University School of Medicine, Tel Aviv, Israel
| | - Ruedi Aebersold
- Department of Biology, Institute of Molecular Systems Biology, ETH Zurich, Zurich, Switzerland.,Faculty of Science, University of Zurich, Zurich, Switzerland
| | - Yael Ziv
- The David and Inez Myers Laboratory of Cancer Genetics, Department of Human Molecular Genetics and Biochemistry, Tel Aviv University School of Medicine, Tel Aviv, Israel
| | - Yosef Shiloh
- The David and Inez Myers Laboratory of Cancer Genetics, Department of Human Molecular Genetics and Biochemistry, Tel Aviv University School of Medicine, Tel Aviv, Israel
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