1
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Wu CK, Shiu JL, Wu CL, Hung CF, Ho YC, Chen YT, Tung SY, Yeh CF, Shen CH, Liaw H, Su WP. APLF facilitates interstrand DNA crosslink repair and replication fork protection to confer cisplatin resistance. Nucleic Acids Res 2024; 52:5676-5697. [PMID: 38520407 PMCID: PMC11162786 DOI: 10.1093/nar/gkae211] [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: 08/06/2023] [Revised: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 03/25/2024] Open
Abstract
Replication stress converts the stalled forks into reversed forks, which is an important protection mechanism to prevent fork degradation and collapse into poisonous DNA double-strand breaks (DSBs). Paradoxically, the mechanism also acts in cancer cells to contribute to chemoresistance against various DNA-damaging agents. PARP1 binds to and is activated by stalled forks to facilitate fork reversal. Aprataxin and polynucleotide kinase/phosphatase-like factor (APLF) binds to PARP1 through the poly(ADP-ribose) zinc finger (PBZ) domain and is known to be involved in non-homologous end joining (NHEJ). Here, we identify a novel function of APLF involved in interstrand DNA crosslink (ICL) repair and fork protection. We demonstrate that PARP1 activity facilitates the APLF recruitment to stalled forks, enabling the FANCD2 recruitment to stalled forks. The depletion of APLF sensitizes cells to cisplatin, impairs ICL repair, reduces the FANCD2 recruitment to stalled forks, and results in nascent DNA degradation by MRE11 nucleases. Additionally, cisplatin-resistant cancer cells show high levels of APLF and homologous recombination-related gene expression. The depletion of APLF sensitizes cells to cisplatin and results in fork instability. Our results reveal the novel function of APLF to facilitate ICL repair and fork protection, thereby contributing to cisplatin-resistant phenotypes of cancer cells.
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Affiliation(s)
- Cheng-Kuei Wu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No. 35, Xiao-Tong Road, Tainan 704, Taiwan
| | - Jia-Lin Shiu
- Department of Life Sciences, National Cheng Kung University, No. 1 University Road, Tainan City701, Taiwan
| | - Chao-Liang Wu
- Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City, Taiwan
| | - Chi-Feng Hung
- Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City, Taiwan
| | - Yen-Chih Ho
- Department of Life Sciences, National Cheng Kung University, No. 1 University Road, Tainan City701, Taiwan
| | - Yen-Tzu Chen
- Department of Public Health & Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taiwan
| | - Sheng-Yung Tung
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No. 35, Xiao-Tong Road, Tainan 704, Taiwan
- Department of Urology, An Nan Hospital, China Medical University, Tainan, Taiwan
| | - Cheng-Fa Yeh
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No. 35, Xiao-Tong Road, Tainan 704, Taiwan
- Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan
| | - Che-Hung Shen
- National Institute of Cancer Research, National Health Research Institutes, Tainan 704, Taiwan
| | - Hungjiun Liaw
- Department of Life Sciences, National Cheng Kung University, No. 1 University Road, Tainan City701, Taiwan
| | - Wen-Pin Su
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No. 35, Xiao-Tong Road, Tainan 704, Taiwan
- Departments of Oncology and Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
- Clinical Medicine Research Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan 701, Taiwan
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2
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Hawks AL, Bergmann A, McCraw TJ, Mason JM. UBC13-mediated template switching promotes replication stress resistance in FBH1-deficient cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.04.556280. [PMID: 37732269 PMCID: PMC10508767 DOI: 10.1101/2023.09.04.556280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
The proper resolution of DNA damage during replication is essential for genome stability. FBH1, a UvrD, helicase plays crucial roles in the DNA damage response. FBH1 promotes double strand break formation and signaling in response to prolonged replication stress to initiate apoptosis. Human FBH1 regulates RAD51 to inhibit homologous recombination. A previous study suggested that mis-regulation of RAD51 may contribute to replication stress resistance in FBH1-deficient cells, but the underlying mechanism remains unknown. Here, we provide direct evidence that RAD51 promotes replication stress resistance in FBH1-deficient cells. We demonstrate inhibition of RAD51 using the small molecule, B02, partially rescues double strand break signaling in FBH1-deficient cells. We show that inhibition of only the strand exchange activity of RAD51 rescues double strand break signaling in FBH1 knockout cells. Finally, we show that depletion of UBC13, a E2 protein that promotes RAD51-dependent template switching, rescues double strand break formation and signaling sensitizing FBH1-deficient cells to replication stress. Our results suggest FBH1 regulates template switching to promote replication stress sensitivity.
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Affiliation(s)
- Alexandra L. Hawks
- Department of Genetics and Biochemistry, Clemson University, Clemson University
| | - Amy Bergmann
- Department of Genetics and Biochemistry, Clemson University, Clemson University
| | - Tyler J. McCraw
- Department of Genetics and Biochemistry, Clemson University, Clemson University
| | - Jennifer M. Mason
- Department of Genetics and Biochemistry, Clemson University, Clemson University
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3
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Simón Serrano S, Tavecchio M, Mallik J, Grönberg A, Elmér E, Kifagi C, Gallay P, Hansson MJ, Massoumi R. Synergistic Effects of Sanglifehrin-Based Cyclophilin Inhibitor NV651 with Cisplatin in Hepatocellular Carcinoma. Cancers (Basel) 2022; 14:cancers14194553. [PMID: 36230472 PMCID: PMC9559492 DOI: 10.3390/cancers14194553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/08/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Hepatocellular carcinoma (HCC), commonly diagnosed at an advanced stage, is the most common primary liver cancer. Owing to a lack of effective HCC treatments and the commonly acquired chemoresistance, novel therapies need to be investigated. Cyclophilins-intracellular proteins with peptidyl-prolyl isomerase activity-have been shown to play a key role in therapy resistance and cell proliferation. Here, we aimed to evaluate changes in the gene expression of HCC cells caused by cyclophilin inhibition in order to explore suitable combination treatment approaches, including the use of chemoagents, such as cisplatin. Our results show that the novel cyclophilin inhibitor NV651 decreases the expression of genes involved in several pathways related to the cancer cell cycle and DNA repair. We evaluated the potential synergistic effect of NV651 in combination with other treatments used against HCC in cisplatin-sensitive cells. NV651 showed a synergistic effect in inhibiting cell proliferation, with a significant increase in intrinsic apoptosis in combination with the DNA crosslinking agent cisplatin. This combination also affected cell cycle progression and reduced the capacity of the cell to repair DNA in comparison with a single treatment with cisplatin. Based on these results, we believe that the combination of cisplatin and NV651 may provide a novel approach to HCC treatment.
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Affiliation(s)
- Sonia Simón Serrano
- Translational Cancer Research, Department of Laboratory Medicine, Lund University, Medicon Village, SE-223 63 Lund, Sweden
- Abliva AB, Medicon Village, Scheelevägen 2, SE-233 81 Lund, Sweden
| | - Michele Tavecchio
- Abliva AB, Medicon Village, Scheelevägen 2, SE-233 81 Lund, Sweden
- Mitochondrial Medicine, Department of Clinical Sciences, Lund University, BMC A13, SE-221 84 Lund, Sweden
| | - Josef Mallik
- Translational Cancer Research, Department of Laboratory Medicine, Lund University, Medicon Village, SE-223 63 Lund, Sweden
| | - Alvar Grönberg
- Abliva AB, Medicon Village, Scheelevägen 2, SE-233 81 Lund, Sweden
| | - Eskil Elmér
- Abliva AB, Medicon Village, Scheelevägen 2, SE-233 81 Lund, Sweden
- Mitochondrial Medicine, Department of Clinical Sciences, Lund University, BMC A13, SE-221 84 Lund, Sweden
| | - Chamseddine Kifagi
- NGS & OMICS Data Analysis (NODA) Consulting, Flöjtvägen 10b, SE-224 68 Lund, Sweden
| | - Philippe Gallay
- Department of Immunology & Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Magnus Joakim Hansson
- Abliva AB, Medicon Village, Scheelevägen 2, SE-233 81 Lund, Sweden
- Mitochondrial Medicine, Department of Clinical Sciences, Lund University, BMC A13, SE-221 84 Lund, Sweden
| | - Ramin Massoumi
- Translational Cancer Research, Department of Laboratory Medicine, Lund University, Medicon Village, SE-223 63 Lund, Sweden
- Correspondence: ; Tel.: +46-46-222-64-30
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4
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Odiba AS, Ezechukwu CS, Liao G, Li S, Chen Z, Liu X, Fang W, Jin C, Wang B. Loss of NSE-4 Perturbs Genome Stability and DNA Repair in Caenorhabditis elegans. Int J Mol Sci 2022; 23:ijms23137202. [PMID: 35806213 PMCID: PMC9266361 DOI: 10.3390/ijms23137202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/15/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023] Open
Abstract
The Structural Maintenance of Chromosomes (SMC) complex plays an important role in maintaining chromosome integrity, in which the SMC5/6 complex occupies a central position by facilitating mitotic and meiotic processes as well as DNA repair. NSE-4 Kleisin is critical for both the organization and function of the SMC5/6 complex, bridging NSE1 and NSE3 (MAGE related) with the head domains of the SMC5 and SMC6 proteins. Despite the conservation in protein sequence, no functional relevance of the NSE-4 homologous protein (NSE-4) in Caenorhabditis elegans has been reported. Here, we demonstrated the essential role of C. elegans NSE-4 in genome maintenance and DNA repair. Our results showed that NSE-4 is essential for the maintenance of chromosomal structure and repair of a range of chemically induced DNA damage. Furthermore, NSE-4 is involved in inter-sister repair during meiosis. NSE-4 localizes on the chromosome and is indispensable for the localization of NSE-1. Collectively, our data from this study provide further insight into the evolutionary conservation and diversification of NSE-4 function in the SMC-5/6 complex.
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Affiliation(s)
- Arome Solomon Odiba
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- Department of Genetics and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria
| | - Chiemekam Samuel Ezechukwu
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
- Department of Zoology and Environmental Biology, University of Nigeria, Nsukka 410001, Nigeria
| | - Guiyan Liao
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
- Correspondence: (G.L.); (B.W.)
| | - Siqiao Li
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
| | - Zhongliang Chen
- Guangxi Key Laboratory of Sugarcane Genetic Improvement, Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (Z.C.); (X.L.)
| | - Xihui Liu
- Guangxi Key Laboratory of Sugarcane Genetic Improvement, Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (Z.C.); (X.L.)
| | - Wenxia Fang
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
| | - Cheng Jin
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Bin Wang
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning 530007, China; (A.S.O.); (C.S.E.); (S.L.); (W.F.); (C.J.)
- Guangxi Key Laboratory of Sugarcane Genetic Improvement, Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (Z.C.); (X.L.)
- Correspondence: (G.L.); (B.W.)
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5
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Statello L, Ali MM, Reischl S, Mahale S, Kosalai ST, Huarte M, Kanduri C. The DNA damage inducible lncRNA SCAT7 regulates genomic integrity and topoisomerase 1 turnover in lung adenocarcinoma. NAR Cancer 2021; 3:zcab002. [PMID: 34316698 PMCID: PMC8209975 DOI: 10.1093/narcan/zcab002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/26/2020] [Accepted: 01/06/2021] [Indexed: 12/15/2022] Open
Abstract
Despite the rapid improvements in unveiling the importance of lncRNAs in all aspects of cancer biology, there is still a void in mechanistic understanding of their role in the DNA damage response. Here we explored the potential role of the oncogenic lncRNA SCAT7 (ELF3-AS1) in the maintenance of genome integrity. We show that SCAT7 is upregulated in response to DNA-damaging drugs like cisplatin and camptothecin, where SCAT7 expression is required to promote cell survival. SCAT7 silencing leads to decreased proliferation of cisplatin-resistant cells in vitro and in vivo through interfering with cell cycle checkpoints and DNA repair molecular pathways. SCAT7 regulates ATR signaling, promoting homologous recombination. Importantly, SCAT7 also takes part in proteasome-mediated topoisomerase I (TOP1) degradation, and its depletion causes an accumulation of TOP1–cc structures responsible for the high levels of intrinsic DNA damage. Thus, our data demonstrate that SCAT7 is an important constituent of the DNA damage response pathway and serves as a potential therapeutic target for hard-to-treat drug resistant cancers.
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Affiliation(s)
- Luisa Statello
- Department of Medical Biochemistry and Cell Biology, The Sahlgrenska Academy, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
| | - Mohamad M Ali
- Department of Medical Biochemistry and Cell Biology, The Sahlgrenska Academy, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
| | - Silke Reischl
- Department of Medical Biochemistry and Cell Biology, The Sahlgrenska Academy, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
| | - Sagar Mahale
- Department of Medical Biochemistry and Cell Biology, The Sahlgrenska Academy, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
| | - Subazini Thankaswamy Kosalai
- Department of Medical Biochemistry and Cell Biology, The Sahlgrenska Academy, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
| | - Maite Huarte
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research, University of Navarra, Pamplona 31008, Spain
| | - Chandrasekhar Kanduri
- Department of Medical Biochemistry and Cell Biology, The Sahlgrenska Academy, Institute of Biomedicine, University of Gothenburg, SE-40530 Gothenburg, Sweden
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6
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Shiu JL, Wu CK, Chang SB, Sun YJ, Chen YJ, Lai CC, Chiu WT, Chang WT, Myung K, Su WP, Liaw H. The HLTF-PARP1 interaction in the progression and stability of damaged replication forks caused by methyl methanesulfonate. Oncogenesis 2020; 9:104. [PMID: 33281189 PMCID: PMC7719709 DOI: 10.1038/s41389-020-00289-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 11/04/2020] [Accepted: 11/17/2020] [Indexed: 11/27/2022] Open
Abstract
Human HLTF participates in the lesion-bypass mechanism through the fork reversal structure, known as template switching of post-replication repair. However, the mechanism by which HLTF promotes the replication progression and fork stability of damaged forks remains unclear. Here, we identify a novel protein–protein interaction between HLTF and PARP1. The depletion of HLTF and PARP1 increases chromosome breaks, further reduces the length of replication tracks, and concomitantly increases the number of stalled forks after methyl methanesulfonate treatment according to a DNA fiber analysis. The progression of replication also depends on BARD1 in the presence of MMS treatment. By combining 5-ethynyl-2′-deoxyuridine with a proximity ligation assay, we revealed that the HLTF, PARP1, and BRCA1/BARD1/RAD51 proteins were initially recruited to damaged forks. However, prolonged stalling of damaged forks results in fork collapse. HLTF and PCNA dissociate from the collapsed forks, with increased accumulation of PARP1 and BRCA1/BARD1/RAD51 at the collapsed forks. Our results reveal that HLTF together with PARP1 and BARD1 participates in the stabilization of damaged forks, and the PARP1–BARD1 interaction is further involved in the repair of collapse forks.
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Affiliation(s)
- Jia-Lin Shiu
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan City, 701, Taiwan
| | - Cheng-Kuei Wu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No.138, Sheng Li Road, Tainan City, 704, Taiwan
| | - Song-Bin Chang
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan City, 701, Taiwan
| | - Yan-Jhih Sun
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan City, 701, Taiwan
| | - Yen-Ju Chen
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan City, 701, Taiwan
| | - Chien-Chen Lai
- Institute of Molecular Biology, College of Life Science, National Chung Hsing University, No.145 Xingda Rd. South Dist., Taichung City, Taiwan
| | - Wen-Tai Chiu
- Department of Biomedical Engineering, National Cheng Kung University, Tainan City, Taiwan
| | - Wen-Tsan Chang
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan City, Taiwan
| | - Kyungjae Myung
- IBS Center for Genomic Integrity, UNIST-gil 50, Ulsan, 689-798, Republic of Korea
| | - Wen-Pin Su
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No.138, Sheng Li Road, Tainan City, 704, Taiwan. .,Departments of Oncology and Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, 704, Taiwan.
| | - Hungjiun Liaw
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan City, 701, Taiwan.
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7
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Gallo D, Brown GW. Post-replication repair: Rad5/HLTF regulation, activity on undamaged templates, and relationship to cancer. Crit Rev Biochem Mol Biol 2019; 54:301-332. [PMID: 31429594 DOI: 10.1080/10409238.2019.1651817] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/12/2019] [Accepted: 07/31/2019] [Indexed: 12/18/2022]
Abstract
The eukaryotic post-replication repair (PRR) pathway allows completion of DNA replication when replication forks encounter lesions on the DNA template and are mediated by post-translational ubiquitination of the DNA sliding clamp proliferating cell nuclear antigen (PCNA). Monoubiquitinated PCNA recruits translesion synthesis (TLS) polymerases to replicate past DNA lesions in an error-prone manner while addition of K63-linked polyubiquitin chains signals for error-free template switching to the sister chromatid. Central to both branches is the E3 ubiquitin ligase and DNA helicase Rad5/helicase-like transcription factor (HLTF). Mutations in PRR pathway components lead to genomic rearrangements, cancer predisposition, and cancer progression. Recent studies have challenged the notion that the PRR pathway is involved only in DNA lesion tolerance and have shed new light on its roles in cancer progression. Molecular details of Rad5/HLTF recruitment and function at replication forks have emerged. Mounting evidence indicates that PRR is required during lesion-less replication stress, leading to TLS polymerase activity on undamaged templates. Analysis of PRR mutation status in human cancers and PRR function in cancer models indicates that down regulation of PRR activity is a viable strategy to inhibit cancer cell growth and reduce chemoresistance. Here, we review these findings, discuss how they change our views of current PRR models, and look forward to targeting the PRR pathway in the clinic.
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Affiliation(s)
- David Gallo
- Department of Biochemistry and Donnelly Centre, University of Toronto , Toronto , Canada
| | - Grant W Brown
- Department of Biochemistry and Donnelly Centre, University of Toronto , Toronto , Canada
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8
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Madrigal-Bujaidar E, Paniagua-Pérez R, Reyes-Cadena S, Martínez-Canseco C, Reyes-Legorreta C, Martínez-Castro J, Madrigal-Santillán E, Morales-González J, Cristóbal-Luna J, Álvarez-González I. Cellular protection induced by genistein in mouse and its antioxidant capacity. Pharmacogn Mag 2019. [DOI: 10.4103/pm.pm_78_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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9
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Hodge CD, Spyracopoulos L, Glover JNM. Ubc13: the Lys63 ubiquitin chain building machine. Oncotarget 2018; 7:64471-64504. [PMID: 27486774 PMCID: PMC5325457 DOI: 10.18632/oncotarget.10948] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 07/19/2016] [Indexed: 12/25/2022] Open
Abstract
Ubc13 is an ubiquitin E2 conjugating enzyme that participates with many different E3 ligases to form lysine 63-linked (Lys63) ubiquitin chains that are critical to signaling in inflammatory and DNA damage response pathways. Recent studies have suggested Ubc13 as a potential therapeutic target for intervention in various human diseases including several different cancers, alleviation of anti-cancer drug resistance, chronic inflammation, and viral infections. Understanding a potential therapeutic target from different angles is important to assess its usefulness and potential pitfalls. Here we present a global review of Ubc13 from its structure, function, and cellular activities, to its natural and chemical inhibition. The aim of this article is to review the literature that directly implicates Ubc13 in a biological function, and to integrate structural and mechanistic insights into the larger role of this critical E2 enzyme. We discuss observations of multiple Ubc13 structures that suggest a novel mechanism for activation of Ubc13 that involves conformational change of the active site loop.
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Affiliation(s)
- Curtis D Hodge
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Leo Spyracopoulos
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - J N Mark Glover
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
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10
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Su WP, Ho YC, Wu CK, Hsu SH, Shiu JL, Huang JC, Chang SB, Chiu WT, Hung JJ, Liu TL, Wu WS, Wu PY, Su WC, Chang JY, Liaw H. Chronic treatment with cisplatin induces chemoresistance through the TIP60-mediated Fanconi anemia and homologous recombination repair pathways. Sci Rep 2017; 7:3879. [PMID: 28634400 PMCID: PMC5478611 DOI: 10.1038/s41598-017-04223-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 05/10/2017] [Indexed: 11/18/2022] Open
Abstract
The Fanconi anemia pathway in coordination with homologous recombination is essential to repair interstrand crosslinks (ICLs) caused by cisplatin. TIP60 belongs to the MYST family of acetyltransferases and is involved in DNA repair and regulation of gene transcription. Although the physical interaction between the TIP60 and FANCD2 proteins has been identified that is critical for ICL repair, it is still elusive whether TIP60 regulates the expression of FA and HR genes. In this study, we found that the chemoresistant nasopharyngeal carcinoma cells, derived from chronic treatment of cisplatin, show elevated expression of TIP60. Furthermore, TIP60 binds to the promoters of FANCD2 and BRCA1 by using the chromatin immunoprecipitation experiments and promote the expression of FANCD2 and BRCA1. Importantly, the depletion of TIP60 significantly reduces sister chromatid exchange, a measurement of HR efficiency. The similar results were also shown in the FNACD2-, and BRCA1-deficient cells. Additionally, these TIP60-deficient cells encounter more frequent stalled forks, as well as more DNA double-strand breaks resulting from the collapse of stalled forks. Taken together, our results suggest that TIP60 promotes the expression of FA and HR genes that are important for ICL repair and the chemoresistant phenotype under chronic treatment with cisplatin.
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Affiliation(s)
- Wen-Pin Su
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No.35, Xiaodong Road, Tainan 704, Taiwan.
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan.
| | - Yen-Chih Ho
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan, 701, Taiwan
| | - Cheng-Kuei Wu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No.35, Xiaodong Road, Tainan 704, Taiwan
| | - Sen-Huei Hsu
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan, 701, Taiwan
| | - Jia-Lin Shiu
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan, 701, Taiwan
| | - Jheng-Cheng Huang
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, No.35, Xiaodong Road, Tainan 704, Taiwan
| | - Song-Bin Chang
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan, 701, Taiwan
| | - Wen-Tai Chiu
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Jan-Jong Hung
- Department of Biotechnology and Bioindustry Science, National Cheng-Kung University, Tainan, 701, Taiwan
| | - Tsung-Lin Liu
- Department of Biotechnology and Bioindustry Science, National Cheng-Kung University, Tainan, 701, Taiwan
| | - Wei-Sheng Wu
- Department of Electrical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Pei-Yu Wu
- Institute of Biological Chemistry, Academia Sinica, Taipei, 11529, Taiwan
| | - Wu-Chou Su
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Jang-Yang Chang
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
- National Institute of Cancer Research, National Health Research Institutes, Tainan, 704, Taiwan
| | - Hungjiun Liaw
- Department of Life Sciences, National Cheng Kung University, No.1 University Road, Tainan, 701, Taiwan.
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11
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Li Q, Zhan M, Chen W, Zhao B, Yang K, Yang J, Yi J, Huang Q, Mohan M, Hou Z, Wang J. Phenylethyl isothiocyanate reverses cisplatin resistance in biliary tract cancer cells via glutathionylation-dependent degradation of Mcl-1. Oncotarget 2016; 7:10271-82. [PMID: 26848531 PMCID: PMC4891119 DOI: 10.18632/oncotarget.7171] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 01/21/2016] [Indexed: 02/05/2023] Open
Abstract
Biliary tract cancer (BTC) is a highly malignant cancer. BTC exhibits a low response rate to cisplatin (CDDP) treatment, and therefore, an understanding of the mechanism of CDDP resistance is urgently needed. Here, we show that BTC cells develop CDDP resistance due, in part, to upregulation of myeloid cell leukemia 1 (Mcl-1). Phenylethyl isothiocyanate (PEITC), a natural compound found in watercress, could enhance the efficacy of CDDP by degrading Mcl-1. PEITC-CDDP co-treatment also increased the rate of apoptosis of cancer stem-like side population (SP) cells and inhibited xenograft tumor growth without obvious toxic effects. In vitro, PEITC decreased reduced glutathione (GSH), which resulted in decreased GSH/oxidized glutathione (GSSG) ratio and increased glutathionylation of Mcl-1, leading to rapid proteasomal degradation of Mcl-1. Furthermore, we identified Cys16 and Cys286 as Mcl-1 glutathionylation sites, and mutating them resulted in PEITC-mediated degradation resistant Mcl-1 protein. In conclusion, we demonstrate for the first time that CDDP resistance is partially associated with Mcl-1 in BTC cells and we identify a novel mechanism that PEITC can enhance CDDP-induced apoptosis via glutathionylation-dependent degradation of Mcl-1. Hence, our results provide support that dietary intake of watercress may help reverse CDDP resistance in BTC patients.
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Affiliation(s)
- Qiwei Li
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ming Zhan
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wei Chen
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Benpeng Zhao
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Institutes of Medical Sciences, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Kai Yang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Institutes of Medical Sciences, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Jie Yang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Institutes of Medical Sciences, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Jing Yi
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Institutes of Medical Sciences, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Qihong Huang
- The Wistar Institute, University of Pennsylvania and Veterans Affairs Medical Center, Philadelphia, Pennsylvania, USA
| | - Man Mohan
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Institutes of Medical Sciences, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Zhaoyuan Hou
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Institutes of Medical Sciences, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Jian Wang
- Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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12
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Dai CH, Chen P, Li J, Lan T, Chen YC, Qian H, Chen K, Li MY. Co-inhibition of pol θ and HR genes efficiently synergize with cisplatin to suppress cisplatin-resistant lung cancer cells survival. Oncotarget 2016; 7:65157-65170. [PMID: 27533083 PMCID: PMC5323145 DOI: 10.18632/oncotarget.11214] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 07/18/2016] [Indexed: 12/14/2022] Open
Abstract
Cisplatin exert its anticancer effect by creating intrastrand and interstrand DNA cross-links which block DNA replication and is a major drug used to treat lung cancer. However, the main obstacle of the efficacy of treatment is drug resistance. Here, we show that expression of translesion synthesis (TLS) polymerase Q (POLQ) was significantly elevated by exposure of lung cancer cells A549/DR (a cisplatin-resistant A549 cell line) to cisplatin. POLQ expression correlated inversely with homologous recombination (HR) activity. Co-depletion of BRCA2 and POLQ by siRNA markedly increased sensitivity of A549/DR cells to cisplatin, which was accompanied with impairment of double strand breaks (DSBs) repair reflected by prominent cell cycle checkpoint response, increased chromosomal aberrations and persistent colocalization of p-ATM and 53BP1 foci induced by cisplatin. Thus, co-knockdown of POLQ and HR can efficiently synergize with cisplatin to inhibit A549/DR cell survival by inhibiting DNA DSBs repair. Similar results were observed in A549/DR cells co-depleted of BRCA2 and POLQ following BMN673 (a PARP inhibitor) treatment. Importantly, the sensitization effects to cisplatin and BMN673 in A549/DR cells by co-depleting BRCA2 and POLQ was stronger than those by co-depleting BRCA2 and other TLS factors including POLH, REV3, or REV1. Our results indicate that there is a synthetic lethal relationship between pol θ-mediated DNA repair and HR pathways. Pol θ may be considered as a novel target for lung cancer therapy.
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Affiliation(s)
- Chun-Hua Dai
- Department of Radiation Oncology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Ping Chen
- Department of Pulmonary Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jian Li
- Department of Pulmonary Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Tin Lan
- Institute of Medical Science, Jiangsu University, Zhenjiang, China
| | - Yong-Chang Chen
- Institute of Medical Science, Jiangsu University, Zhenjiang, China
| | - Hai Qian
- Institute of Medical Science, Jiangsu University, Zhenjiang, China
| | - Kang Chen
- Department of Pulmonary Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Mei-Yu Li
- Department of Pulmonary Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
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13
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Shen Y, Lee YH, Panneerselvam J, Zhang J, Loo LWM, Fei P. Mutated Fanconi anemia pathway in non-Fanconi anemia cancers. Oncotarget 2016; 6:20396-403. [PMID: 26015400 PMCID: PMC4653013 DOI: 10.18632/oncotarget.4056] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 04/22/2015] [Indexed: 01/01/2023] Open
Abstract
An extremely high cancer incidence and the hypersensitivity to DNA crosslinking agents associated with Fanconi Anemia (FA) have marked it to be a unique genetic model system to study human cancer etiology and treatment, which has emerged an intense area of investigation in cancer research. However, there is limited information about the relationship between the mutated FA pathway and the cancer development or/and treatment in patients without FA. Here we analyzed the mutation rates of the seventeen FA genes in 68 DNA sequence datasets. We found that the FA pathway is frequently mutated across a variety of human cancers, with a rate mostly in the range of 15 to 35 % in human lung, brain, bladder, ovarian, breast cancers, or others. Furthermore, we found a statistically significant correlation (p < 0.05) between the mutated FA pathway and the development of human bladder cancer that we only further analyzed. Together, our study demonstrates a previously unknown fact that the mutated FA pathway frequently occurs during the development of non-FA human cancers, holding profound implications directly in advancing our understanding of human tumorigenesis as well as tumor sensitivity/resistance to crosslinking drug-relevant chemotherapy.
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Affiliation(s)
- Yihang Shen
- Program of Cancer Biology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI, USA
| | - Yuan-Hao Lee
- Program of Cancer Biology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI, USA
| | - Jayabal Panneerselvam
- Program of Cancer Biology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI, USA
| | - Jun Zhang
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Lenora W M Loo
- Program of Epidemiology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI, USA
| | - Peiwen Fei
- Program of Cancer Biology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI, USA
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14
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Hodge CD, Edwards RA, Markin CJ, McDonald D, Pulvino M, Huen MSY, Zhao J, Spyracopoulos L, Hendzel MJ, Glover JNM. Covalent Inhibition of Ubc13 Affects Ubiquitin Signaling and Reveals Active Site Elements Important for Targeting. ACS Chem Biol 2015; 10:1718-28. [PMID: 25909880 DOI: 10.1021/acschembio.5b00222] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ubc13 is an E2 ubiquitin conjugating enzyme that functions in nuclear DNA damage signaling and cytoplasmic NF-κB signaling. Here, we present the structures of complexes of Ubc13 with two inhibitors, NSC697923 and BAY 11-7082, which inhibit DNA damage and NF-κB signaling in human cells. NSC697923 and BAY 11-7082 both inhibit Ubc13 by covalent adduct formation through a Michael addition at the Ubc13 active site cysteine. The resulting adducts of both compounds exploit a binding groove unique to Ubc13. We developed a Ubc13 mutant which resists NSC697923 inhibition and, using this mutant, we show that the inhibition of cellular DNA damage and NF-κB signaling by NSC697923 is largely due to specific Ubc13 inhibition. We propose that unique structural features near the Ubc13 active site could provide a basis for the rational development and design of specific Ubc13 inhibitors.
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Affiliation(s)
- Curtis D. Hodge
- Department
of Biochemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2H7
| | - Ross A. Edwards
- Department
of Biochemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2H7
| | - Craig J. Markin
- Department
of Biochemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2H7
| | - Darin McDonald
- Department
of Oncology, University of Alberta, Edmonton, Alberta, Canada T6G 1Z2
| | - Mary Pulvino
- Department
of Biomedical Genetics, University of Rochester, Rochester, New York 14642, United States
| | - Michael S. Y. Huen
- Department
of Anatomy and Centre for Cancer Research, The University of Hong Kong, Hong
Kong, China
| | - Jiyong Zhao
- Department
of Biomedical Genetics, University of Rochester, Rochester, New York 14642, United States
| | - Leo Spyracopoulos
- Department
of Biochemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2H7
| | - Michael J. Hendzel
- Department
of Oncology, University of Alberta, Edmonton, Alberta, Canada T6G 1Z2
| | - J. N. Mark Glover
- Department
of Biochemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2H7
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