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Yue W, Li X, Zhan X, Wang L, Ma J, Bi M, Wang Q, Gu X, Xie B, Liu T, Guo H, Zhu X, Song C, Qiao J, Li M. PARP inhibitors suppress tumours via centrosome error-induced senescence independent of DNA damage response. EBioMedicine 2024; 103:105129. [PMID: 38640836 PMCID: PMC11052917 DOI: 10.1016/j.ebiom.2024.105129] [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: 08/10/2023] [Revised: 04/07/2024] [Accepted: 04/07/2024] [Indexed: 04/21/2024] Open
Abstract
BACKGROUND Poly(ADP-ribose) polymerase (PARP) inhibitors have emerged as promising chemotherapeutic drugs primarily against BRCA1/2-associated tumours, known as synthetic lethality. However, recent clinical trials reported patients' survival benefits from PARP inhibitor treatments, irrelevant to homologous recombination deficiency. Therefore, revealing the therapeutic mechanism of PARP inhibitors beyond DNA damage repair is urgently needed, which can facilitate precision medicine. METHODS A CRISPR-based knock-in technology was used to establish stable BRCA1 mutant cancer cells. The effects of PARP inhibitors on BRCA1 mutant cancer cells were evaluated by biochemical and cell biological experiments. Finally, we validated its in vivo effects in xenograft and patient-derived xenograft (PDX) tumour mice. FINDINGS In this study, we uncovered that the majority of clinical BRCA1 mutations in breast cancers were in and near the middle of the gene, rather than in essential regions for DNA damage repair. Representative mutations such as R1085I and E1222Q caused transient extra spindle poles during mitosis in cancer cells. PAR, which is synthesized by PARP2 but not PARP1 at mitotic centrosomes, clustered these transient extra poles, independent of DNA damage response. Common PARP inhibitors could effectively suppress PARP2-synthesized PAR and induce cell senescence by abrogating the correction of mitotic extra-pole error. INTERPRETATION Our findings uncover an alternative mechanism by which PARP inhibitors efficiently suppress tumours, thereby pointing to a potential new therapeutic strategy for centrosome error-related tumours. FUNDING Funded by National Natural Science Foundation of China (NSFC) (T2225006, 82272948, 82103106), Beijing Municipal Natural Science Foundation (Key program Z220011), and the National Clinical Key Specialty Construction Program, P. R. China (2023).
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Affiliation(s)
- Wei Yue
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Xinyu Li
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Xiaolu Zhan
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Lei Wang
- Centre for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China; Peking-Tsinghua Centre for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Jihong Ma
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Meiyu Bi
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Qilong Wang
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Xiaoyang Gu
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Bingteng Xie
- Key Laboratory of Molecular Medicine and Biological Diagnosis and Treatment (Ministry of Industry and Information Technology), School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Tong Liu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Hongyan Guo
- National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Xin Zhu
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Chen Song
- Centre for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China; Peking-Tsinghua Centre for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Jie Qiao
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China
| | - Mo Li
- State Key Laboratory of Female Fertility Promotion, Centre for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, 100191, China; National Clinical Research Centre for Obstetrics and Gynaecology (Peking University Third Hospital), Beijing, 100191, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, 100191, China.
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Traband EL, Hammerlund SR, Shameem M, Narayan A, Ramana S, Tella A, Sobeck A, Shima N. Mitotic DNA Synthesis in Untransformed Human Cells Preserves Common Fragile Site Stability via a FANCD2-Driven Mechanism That Requires HELQ. J Mol Biol 2023; 435:168294. [PMID: 37777152 PMCID: PMC10839910 DOI: 10.1016/j.jmb.2023.168294] [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: 06/12/2023] [Revised: 09/14/2023] [Accepted: 09/25/2023] [Indexed: 10/02/2023]
Abstract
Faithful genome duplication is a challenging task for dividing mammalian cells, particularly under replication stress where timely resolution of late replication intermediates (LRIs) becomes crucial prior to cell division. In human cancer cells, mitotic DNA repair synthesis (MiDAS) is described as a final mechanism for the resolution of LRIs to avoid lethal chromosome mis-segregation. RAD52-driven MiDAS achieves this mission in part by generating gaps/breaks on metaphase chromosomes, which preferentially occur at common fragile sites (CFS). We previously demonstrated that a MiDAS mechanism also exists in untransformed and primary human cells, which is RAD52 independent but requires FANCD2. However, the properties of this form of MiDAS are not well understood. Here, we report that FANCD2-driven MiDAS in untransformed human cells: 1) requires a prerequisite step of FANCD2 mono-ubiquitination by a subset of Fanconi anemia (FA) proteins, 2) primarily acts to preserve CFS stability but not to prevent chromosome mis-segregation, and 3) depends on HELQ, which potentially functions at an early step. Hence, FANCD2-driven MiDAS in untransformed cells is built to protect CFS stability, whereas RAD52-driven MiDAS in cancer cells is likely adapted to prevent chromosome mis-segregation at the cost of CFS expression. Notably, we also identified a novel form of MiDAS, which surfaces to function when FANCD2 is absent in untransformed cells. Our findings substantiate the complex nature of MiDAS and a link between its deficiencies and the pathogenesis of FA, a human genetic disease.
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Affiliation(s)
- Emma L Traband
- Department of Genetics, Cell Biology and Development, Medical School, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA; Department of Biochemistry, Molecular Biology, and Biophysics, College of Biological Sciences, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA
| | - Sarah R Hammerlund
- Department of Genetics, Cell Biology and Development, Medical School, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA; Department of Biochemistry, Molecular Biology, and Biophysics, College of Biological Sciences, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA
| | - Mohammad Shameem
- Department of Biochemistry, Molecular Biology, and Biophysics, College of Biological Sciences, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA
| | - Ananya Narayan
- Department of Genetics, Cell Biology and Development, Medical School, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA
| | - Sanjiv Ramana
- Department of Genetics, Cell Biology and Development, Medical School, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA
| | - Anika Tella
- Department of Genetics, Cell Biology and Development, Medical School, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA
| | - Alexandra Sobeck
- Department of Biochemistry, Molecular Biology, and Biophysics, College of Biological Sciences, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA; Masonic Cancer Center, Minneapolis, MN 55455, USA
| | - Naoko Shima
- Department of Genetics, Cell Biology and Development, Medical School, University of Minnesota at Twin Cities, Minneapolis, MN 55455, USA; Masonic Cancer Center, Minneapolis, MN 55455, USA.
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3
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Cytogenetics in Fanconi Anemia: The Importance of Follow-Up and the Search for New Biomarkers of Genomic Instability. Int J Mol Sci 2022; 23:ijms232214119. [PMID: 36430597 PMCID: PMC9699043 DOI: 10.3390/ijms232214119] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022] Open
Abstract
Fanconi Anemia (FA) is a disease characterized by genomic instability, increased sensitivity to DNA cross-linking agents, and the presence of clonal chromosomal abnormalities. This genomic instability can compromise the bone marrow (BM) and confer a high cancer risk to the patients, particularly in the development of Myelodysplastic Syndrome (MDS) and Acute Myeloid Leukemia (AML). The diagnosis of FA patients is complex and cannot be based only on clinical features at presentation. The gold standard diagnostic assay for these patients is cytogenetic analysis, revealing chromosomal breaks induced by DNA cross-linking agents. Clonal chromosome abnormalities, such as the ones involving chromosomes 1q, 3q, and 7, are also common features in FA patients and are associated with progressive BM failure and/or a pre-leukemia condition. In this review, we discuss the cytogenetic methods and their application in diagnosis, stratification of the patients into distinct prognostic groups, and the clinical follow-up of FA patients. These methods have been invaluable for the understanding of FA pathogenesis and identifying novel disease biomarkers. Additional evidence is required to determine the association of these biomarkers with prognosis and cancer risk, and their potential as druggable targets for FA therapy.
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Vial Y, Lainey E, Leblanc T, Baudouin V, Dourthe ME, Gressens P, Verloes A, Cavé H, Drunat S. De novo
NUF2
variant in a novel inherited bone marrow failure syndrome including microcephaly and renal hypoplasia. Br J Haematol 2022; 199:739-743. [DOI: 10.1111/bjh.18461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Yoann Vial
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département de Génétique Paris France
- INSERM UMR 1141 NeuroDiderot, Université Paris Cité Paris France
| | - Elodie Lainey
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Laboratoire d'Immuno‐Hématologie Paris France
- INSERM UMR_S1131 Institut de Recherche Saint‐Louis, Université Paris Cité Paris France
| | - Thierry Leblanc
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département d'Immuno‐Hématologie Paris France
| | - Véronique Baudouin
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département de Néphrologie pédiatrique Paris France
| | - Marie Emilie Dourthe
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département d'Immuno‐Hématologie Paris France
| | - Pierre Gressens
- INSERM UMR 1141 NeuroDiderot, Université Paris Cité Paris France
| | - Alain Verloes
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département de Génétique Paris France
- INSERM UMR 1141 NeuroDiderot, Université Paris Cité Paris France
| | - Hélène Cavé
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département de Génétique Paris France
- INSERM UMR_S1131 Institut de Recherche Saint‐Louis, Université Paris Cité Paris France
| | - Séverine Drunat
- Assistance Publique des Hôpitaux de Paris (AP‐HP), Hôpital Robert‐Debré, Département de Génétique Paris France
- INSERM UMR 1141 NeuroDiderot, Université Paris Cité Paris France
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5
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Hater N, Iwaniuk KM, Leifeld C, Grüten P, Wiek C, Raba K, Zhang F, Fischer JC, Andreassen PR, Hanenberg H, Trompeter HI. Identification of new RAD51D-regulating microRNAs that also emerge as potent inhibitors of the Fanconi anemia/homologous recombination pathways. Hum Mol Genet 2022; 31:4241-4254. [PMID: 35904444 PMCID: PMC9759333 DOI: 10.1093/hmg/ddac177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/28/2022] [Accepted: 07/27/2022] [Indexed: 01/21/2023] Open
Abstract
The Fanconi anemia (FA) and homologous recombination (HR) pathways, which partially overlap and include RAD51 and its paralogs, are key for the repair of different types of DNA damage, such as DNA interstrand crosslinks. First, to broadly assess the impact of microRNA-mediated regulation, we examined microRNA expression profiles in five isogenic fibroblast cell pairs, either deficient in DNA repair due to germline mutations in FANCA, FANCB, FANCC, FANCI or BRIP1/FANCJ or proficient due to correction with retroviral vectors. In each pair, we observed lower abundance of specific microRNAs in the FA-deficient cells. From the list of microRNAs, we experimentally confirmed the effects of miR-141-3p and miR-369-3p targeting RAD51B and miR-15a-5p, miR-494-3p as well as miR-544a targeting RAD51D. However, by western blotting, only RAD51D protein was reduced by a mixture of its regulating microRNAs. Gene ontology analyses and identification of additional FA/HR factors as targets of miR-15a-5p, miR-494-3p and miR-544a strongly suggested the widespread influence of these microRNAs on HR. Interestingly, only miR-494-3p directly reduced RAD51 foci formation, while a mixture of miR-15a-5p, miR-494-3p and miR-544a strongly reduced HR activity in green fluorescent protein (GFP) repair assays. In summary, by successfully employing this novel loss- and gain-of-function strategy, we have identified new microRNAs strongly inhibiting HR in mammalian cells. Understanding and modulating such miRNA regulation of DNA repair genes/pathways might help to overcome the reduced repair capacity of FA patients with biallelic hypomorphic mutations or help to engineer synthetic lethality strategies for patients with mutations in cancer-associated FA/HR genes.
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Affiliation(s)
- Nina Hater
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Katharina M Iwaniuk
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Carina Leifeld
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Pia Grüten
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Constanze Wiek
- Department of Otorhinolaryngology & Head/Neck Surgery, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Katharina Raba
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Fan Zhang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Johannes C Fischer
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Paul R Andreassen
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | | | - Hans-Ingo Trompeter
- To whom correspondence should be addressed. Tel: +49 211 8118751; Fax: +49 211 8119109;
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Casado JA, Valeri A, Sanchez-Domínguez R, Vela P, Lopez A, Navarro S, Alberquilla O, Hanenberg H, Pujol R, Segovia JC, Minguillón J, Surrallés J, Diaz-de-Heredia C, Sevilla J, Rio P, Bueren JA. Upregulation of NKG2D ligands impairs hematopoietic stem cell function in Fanconi anemia. J Clin Invest 2022; 132:142842. [PMID: 35671096 PMCID: PMC9337828 DOI: 10.1172/jci142842] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 05/25/2022] [Indexed: 11/21/2022] Open
Abstract
Fanconi anemia (FA) is the most prevalent inherited bone marrow failure (BMF) syndrome. Nevertheless, the pathophysiological mechanisms of BMF in FA have not been fully elucidated. Since FA cells are defective in DNA repair, we hypothesized that FA hematopoietic stem and progenitor cells (HSPCs) might express DNA damage–associated stress molecules such as natural killer group 2 member D ligands (NKG2D-Ls). These ligands could then interact with the activating NKG2D receptor expressed in cytotoxic NK or CD8+ T cells, which may result in progressive HSPC depletion. Our results indeed demonstrated upregulated levels of NKG2D-Ls in cultured FA fibroblasts and T cells, and these levels were further exacerbated by mitomycin C or formaldehyde. Notably, a high proportion of BM CD34+ HSPCs from patients with FA also expressed increased levels of NKG2D-Ls, which correlated inversely with the percentage of CD34+ cells in BM. Remarkably, the reduced clonogenic potential characteristic of FA HSPCs was improved by blocking NKG2D–NKG2D-L interactions. Moreover, the in vivo blockage of these interactions in a BMF FA mouse model ameliorated the anemia in these animals. Our study demonstrates the involvement of NKG2D–NKG2D-L interactions in FA HSPC functionality, suggesting an unexpected role of the immune system in the progressive BMF that is characteristic of FA.
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Affiliation(s)
- Jose A Casado
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Antonio Valeri
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Rebeca Sanchez-Domínguez
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Paula Vela
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Andrea Lopez
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Susana Navarro
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Omaira Alberquilla
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Helmut Hanenberg
- Department of Pediatrics, University Hospital, University Duisburg-Essen, Essen, Germany
| | - Roser Pujol
- Department of Genetics and Microbiology, Universitat Autónoma de Barcelona, Barcelona, Spain
| | - Jose C Segovia
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Jordi Minguillón
- Department of Genetics and Microbiology, Universitat Autónoma de Barcelona, Barcelona, Spain
| | - Jordi Surrallés
- Department of Genetics and Microbiology, Universitat Autónoma de Barcelona, Barcelona, Spain
| | | | - Julián Sevilla
- Hospital Universitari Vall d'Hebron, Vall d'Hebron Institut de Recerca, Barcelona, Spain
| | - Paula Rio
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
| | - Juan A Bueren
- Division of Innovative Therapies, CIEMAT and Advanced Therapies Unit, IIS-Fundación Jimenez Diaz and Autónoma University, Madrid, Spain
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7
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Landelouci K, Sinha S, Pépin G. Type-I Interferon Signaling in Fanconi Anemia. Front Cell Infect Microbiol 2022; 12:820273. [PMID: 35198459 PMCID: PMC8859461 DOI: 10.3389/fcimb.2022.820273] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/14/2022] [Indexed: 01/07/2023] Open
Abstract
Fanconi Anemia (FA) is a genome instability syndrome caused by mutations in one of the 23 repair genes of the Fanconi pathway. This heterogenous disease is usually characterized by congenital abnormalities, premature ageing and bone marrow failure. FA patients also show a high predisposition to hematological and solid cancers. The Fanconi pathway ensures the repair of interstrand crosslinks (ICLs) DNA damage. Defect in one of its proteins prevents functional DNA repair, leading to the accumulation of DNA breaks and genome instability. Accumulating evidence has documented a close relationship between genome instability and inflammation, including the production of type-I Interferon. In this context, type-I Interferon is produced upon activation of pattern recognition receptors by nucleic acids including by the cyclic GMP-AMP synthase (cGAS) that detects DNA. In mouse models of diseases displaying genome instability, type-I Interferon response is responsible for an important part of the pathological symptoms, including premature aging, short stature, and neurodegeneration. This is illustrated in mouse models of Ataxia-telangiectasia and Aicardi-Goutières Syndrome in which genetic depletion of either Interferon Receptor IFNAR, cGAS or STING relieves pathological symptoms. FA is also a genetic instability syndrome with symptoms such as premature aging and predisposition to cancer. In this review we will focus on the different molecular mechanisms potentially leading to type-I Interferon activation. A better understanding of the molecular mechanisms engaging type-I Interferon signaling in FA may ultimately lead to the discovery of new therapeutic targets to rescue the pathological inflammation and premature aging associated with Fanconi Anemia.
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Affiliation(s)
- Karima Landelouci
- Département de Biologie Médicale, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- Groupe de Recherche en Signalisation Cellulaire, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Shruti Sinha
- Department of Biotechnology, GITAM Institute of Technology, GITAM deemed to be University, Visakhapatnam, India
| | - Geneviève Pépin
- Département de Biologie Médicale, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- Groupe de Recherche en Signalisation Cellulaire, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- *Correspondence: Geneviève Pépin,
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8
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Zhan S, Siu J, Wang Z, Yu H, Bezabeh T, Deng Y, Du W, Fei P. Focal Point of Fanconi Anemia Signaling. Int J Mol Sci 2021; 22:12976. [PMID: 34884777 PMCID: PMC8657418 DOI: 10.3390/ijms222312976] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/26/2021] [Accepted: 11/26/2021] [Indexed: 12/11/2022] Open
Abstract
Among human genetic diseases, Fanconi Anemia (FA) tops all with its largest number of health complications in nearly all human organ systems, suggesting the significant roles played by FA genes in the maintenance of human health. With the accumulated research on FA, the encoded protein products by FA genes have been building up to the biggest cell defense signaling network, composed of not only 22+ FA proteins but also ATM, ATR, and many other non-FA proteins. The FA D2 group protein (FANCD2) and its paralog form the focal point of FA signaling to converge the effects of its upstream players in response to a variety of cellular insults and simultaneously with downstream players to protect humans from contracting diseases, including aging and cancer. In this review, we update and discuss how the FA signaling crucially eases cellular stresses through understanding its focal point.
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Affiliation(s)
- Sudong Zhan
- University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96813, USA; (S.Z.); (Z.W.); (H.Y.)
| | - Jolene Siu
- Student Research Experience Program of University of Hawaii, Honolulu, HI 96822, USA;
| | - Zhanwei Wang
- University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96813, USA; (S.Z.); (Z.W.); (H.Y.)
| | - Herbert Yu
- University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96813, USA; (S.Z.); (Z.W.); (H.Y.)
| | - Tedros Bezabeh
- Department of Chemistry, University of Guam, Mangilao, GU 96923, USA;
| | - Youping Deng
- Department of Quantitative Health Sciences, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA;
| | - Wei Du
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, UPMC Hillman Cancer Center, Pittsburgh, PA 15232, USA;
| | - Peiwen Fei
- University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96813, USA; (S.Z.); (Z.W.); (H.Y.)
- Student Research Experience Program of University of Hawaii, Honolulu, HI 96822, USA;
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9
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Edwards DM, Mitchell DK, Abdul-Sater Z, Chan KK, Sun Z, Sheth A, He Y, Jiang L, Yuan J, Sharma R, Czader M, Chin PJ, Liu Y, de Cárcer G, Nalepa G, Broxmeyer HE, Clapp DW, Sierra Potchanant EA. Mitotic Errors Promote Genomic Instability and Leukemia in a Novel Mouse Model of Fanconi Anemia. Front Oncol 2021; 11:752933. [PMID: 34804941 PMCID: PMC8602820 DOI: 10.3389/fonc.2021.752933] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/11/2021] [Indexed: 01/20/2023] Open
Abstract
Fanconi anemia (FA) is a disease of genomic instability and cancer. In addition to DNA damage repair, FA pathway proteins are now known to be critical for maintaining faithful chromosome segregation during mitosis. While impaired DNA damage repair has been studied extensively in FA-associated carcinogenesis in vivo, the oncogenic contribution of mitotic abnormalities secondary to FA pathway deficiency remains incompletely understood. To examine the role of mitotic dysregulation in FA pathway deficient malignancies, we genetically exacerbated the baseline mitotic defect in Fancc-/- mice by introducing heterozygosity of the key spindle assembly checkpoint regulator Mad2. Fancc-/-;Mad2+/- mice were viable, but died from acute myeloid leukemia (AML), thus recapitulating the high risk of myeloid malignancies in FA patients better than Fancc-/-mice. We utilized hematopoietic stem cell transplantation to propagate Fancc-/-; Mad2+/- AML in irradiated healthy mice to model FANCC-deficient AMLs arising in the non-FA population. Compared to cells from Fancc-/- mice, those from Fancc-/-;Mad2+/- mice demonstrated an increase in mitotic errors but equivalent DNA cross-linker hypersensitivity, indicating that the cancer phenotype of Fancc-/-;Mad2+/- mice results from error-prone cell division and not exacerbation of the DNA damage repair defect. We found that FANCC enhances targeting of endogenous MAD2 to prometaphase kinetochores, suggesting a mechanism for how FANCC-dependent regulation of the spindle assembly checkpoint prevents chromosome mis-segregation. Whole-exome sequencing revealed similarities between human FA-associated myelodysplastic syndrome (MDS)/AML and the AML that developed in Fancc-/-; Mad2+/- mice. Together, these data illuminate the role of mitotic dysregulation in FA-pathway deficient malignancies in vivo, show how FANCC adjusts the spindle assembly checkpoint rheostat by regulating MAD2 kinetochore targeting in cell cycle-dependent manner, and establish two new mouse models for preclinical studies of AML.
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Affiliation(s)
- Donna M Edwards
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Dana K Mitchell
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Zahi Abdul-Sater
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Ka-Kui Chan
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Zejin Sun
- Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Aditya Sheth
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Ying He
- Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Li Jiang
- Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Jin Yuan
- Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Richa Sharma
- Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Pediatrics, Riley Hospital for Children, Indianapolis, IN, United States
| | - Magdalena Czader
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Pei-Ju Chin
- Laboratory of Molecular Gerontology, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Yie Liu
- Laboratory of Molecular Gerontology, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Guillermo de Cárcer
- Cancer Biology Department, Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Grzegorz Nalepa
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Pediatrics, Riley Hospital for Children, Indianapolis, IN, United States
| | - Hal E Broxmeyer
- Laboratory of Molecular Gerontology, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - D Wade Clapp
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States.,Department of Pediatrics, Riley Hospital for Children, Indianapolis, IN, United States
| | - Elizabeth A Sierra Potchanant
- Department of Pediatrics, Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
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10
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Gueiderikh A, Maczkowiak-Chartois F, Rosselli F. A new frontier in Fanconi anemia: From DNA repair to ribosome biogenesis. Blood Rev 2021; 52:100904. [PMID: 34750031 DOI: 10.1016/j.blre.2021.100904] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/14/2021] [Accepted: 10/26/2021] [Indexed: 12/27/2022]
Abstract
Described by Guido Fanconi almost 100 years ago, Fanconi anemia (FA) is a rare genetic disease characterized by developmental abnormalities, bone marrow failure (BMF) and cancer predisposition. The proteins encoded by FA-mutated genes (FANC proteins) and assembled in the so-called FANC/BRCA pathway have key functions in DNA repair and replication safeguarding, which loss leads to chromosome structural aberrancies. Therefore, since the 1980s, FA has been considered a genomic instability and chromosome fragility syndrome. However, recent findings have demonstrated new and unexpected roles of FANC proteins in nucleolar homeostasis and ribosome biogenesis, the alteration of which impacts cellular proteostasis. Here, we review the different cellular, biochemical and molecular anomalies associated with the loss of function of FANC proteins and discuss how these anomalies contribute to BMF by comparing FA to other major inherited BMF syndromes. Our aim is to determine the extent to which alterations in the DNA damage response in FA contribute to BMF compared to the consequences of the loss of function of the FANC/BRCA pathway on the other roles of the pathway.
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Affiliation(s)
- Anna Gueiderikh
- CNRS - UMR9019, Équipe labellisée "La Ligue contre le Cancer", 94805 Villejuif, France; Gustave Roussy Cancer Center, 94805 Villejuif, France; Université Paris-Saclay - Paris Sud, Orsay, France.
| | - Frédérique Maczkowiak-Chartois
- CNRS - UMR9019, Équipe labellisée "La Ligue contre le Cancer", 94805 Villejuif, France; Gustave Roussy Cancer Center, 94805 Villejuif, France; Université Paris-Saclay - Paris Sud, Orsay, France.
| | - Filippo Rosselli
- CNRS - UMR9019, Équipe labellisée "La Ligue contre le Cancer", 94805 Villejuif, France; Gustave Roussy Cancer Center, 94805 Villejuif, France; Université Paris-Saclay - Paris Sud, Orsay, France.
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11
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Tsai YY, Su CH, Tarn WY. p53 Activation in Genetic Disorders: Different Routes to the Same Destination. Int J Mol Sci 2021; 22:9307. [PMID: 34502215 PMCID: PMC8430931 DOI: 10.3390/ijms22179307] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 12/18/2022] Open
Abstract
The tumor suppressor p53 is critical for preventing neoplastic transformation and tumor progression. Inappropriate activation of p53, however, has been observed in a number of human inherited disorders that most often affect development of the brain, craniofacial region, limb skeleton, and hematopoietic system. Genes related to these developmental disorders are essentially involved in transcriptional regulation/chromatin remodeling, rRNA metabolism, DNA damage-repair pathways, telomere maintenance, and centrosome biogenesis. Perturbation of these activities or cellular processes may result in p53 accumulation in cell cultures, animal models, and perhaps humans as well. Mouse models of several p53 activation-associated disorders essentially recapitulate human traits, and inactivation of p53 in these models can alleviate disorder-related phenotypes. In the present review, we focus on how dysfunction of the aforementioned biological processes causes developmental defects via excessive p53 activation. Notably, several disease-related genes exert a pleiotropic effect on those cellular processes, which may modulate the magnitude of p53 activation and establish or disrupt regulatory loops. Finally, we discuss potential therapeutic strategies for genetic disorders associated with p53 misactivation.
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12
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Gianni P, Matenoglou E, Geropoulos G, Agrawal N, Adnani H, Zafeiropoulos S, Miyara SJ, Guevara S, Mumford JM, Molmenti EP, Giannis D. The Fanconi anemia pathway and Breast Cancer: A comprehensive review of clinical data. Clin Breast Cancer 2021; 22:10-25. [PMID: 34489172 DOI: 10.1016/j.clbc.2021.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 07/17/2021] [Accepted: 08/05/2021] [Indexed: 02/08/2023]
Abstract
The development of breast cancer depends on several risk factors, including environmental, lifestyle and genetic factors. Despite the evolution of DNA sequencing techniques and biomarker detection, the epidemiology and mechanisms of various breast cancer susceptibility genes have not been elucidated yet. Dysregulation of the DNA damage response causes genomic instability and increases the rate of mutagenesis and the risk of carcinogenesis. The Fanconi Anemia (FA) pathway is an important component of the DNA damage response and plays a critical role in the repair of DNA interstrand crosslinks and genomic stability. The FA pathway involves 22 recognized genes and specific mutations have been identified as the underlying defect in the majority of FA patients. A thorough understanding of the function and epidemiology of these genes in breast cancer is critical for the development and implementation of individualized therapies that target unique tumor profiles. Targeted therapies (PARP inhibitors) exploiting the FA pathway gene defects have been developed and have shown promising results. This narrative review summarizes the current literature on the involvement of FA genes in sporadic and familial breast cancer with a focus on clinical data derived from large cohorts.
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Affiliation(s)
- Panagiota Gianni
- Department of Internal Medicine III, Hematology, Oncology, Palliative Medicine, Rheumatology and Infectious Diseases, University Hospital Ulm, Germany
| | - Evangelia Matenoglou
- Medical School, Aristotle University of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Georgios Geropoulos
- Thoracic Surgery Department, University College London Hospitals NHS Foundation Trust, London
| | - Nirav Agrawal
- Feinstein Institutes for Medical Research at Northwell Health, Manhasset, New York, NY
| | - Harsha Adnani
- Feinstein Institutes for Medical Research at Northwell Health, Manhasset, New York, NY
| | - Stefanos Zafeiropoulos
- Feinstein Institutes for Medical Research at Northwell Health, Manhasset, New York, NY; Elmezzi Graduate School of Molecular Medicine, Northwell Health, Manhasset, New York, NY
| | - Santiago J Miyara
- Feinstein Institutes for Medical Research at Northwell Health, Manhasset, New York, NY; Elmezzi Graduate School of Molecular Medicine, Northwell Health, Manhasset, New York, NY
| | - Sara Guevara
- Department of Surgery, North Shore University Hospital, Manhasset, New York, NY
| | - James M Mumford
- Department of Family Medicine, Glen Cove Hospital, Glen Cove, New York, NY; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, NY
| | - Ernesto P Molmenti
- Feinstein Institutes for Medical Research at Northwell Health, Manhasset, New York, NY; Department of Surgery, North Shore University Hospital, Manhasset, New York, NY; Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, NY
| | - Dimitrios Giannis
- Feinstein Institutes for Medical Research at Northwell Health, Manhasset, New York, NY.
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13
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Chan KK, Abdul-Sater Z, Sheth A, Mitchell DK, Sharma R, Edwards DM, He Y, Nalepa G, Rhodes SD, Clapp DW, Sierra Potchanant EA. SIK2 kinase synthetic lethality is driven by spindle assembly defects in FANCA-deficient cells. Mol Oncol 2021; 16:860-884. [PMID: 34058059 PMCID: PMC8847993 DOI: 10.1002/1878-0261.13027] [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: 03/23/2021] [Revised: 05/05/2021] [Accepted: 05/28/2021] [Indexed: 11/10/2022] Open
Abstract
The Fanconi anemia (FA) pathway safeguards genomic stability through cell cycle regulation and DNA damage repair. The canonical tumor suppressive role of FA proteins in the repair of DNA damage during interphase is well established, but their function in mitosis is incompletely understood. Here, we performed a kinome-wide synthetic lethality screen in FANCA-/- fibroblasts, which revealed multiple mitotic kinases as necessary for survival of FANCA-deficient cells. Among these kinases, we identified the depletion of the centrosome kinase SIK2 as synthetic lethal upon loss of FANCA. We found that FANCA colocalizes with SIK2 at multiple mitotic structures and regulates the activity of SIK2 at centrosomes. Furthermore, we found that loss of FANCA exacerbates cell cycle defects induced by pharmacological inhibition of SIK2, including impaired G2-M transition, delayed mitotic progression, and cytokinesis failure. In addition, we showed that inhibition of SIK2 abrogates nocodazole-induced prometaphase arrest, suggesting a novel role for SIK2 in the spindle assembly checkpoint. Together, these findings demonstrate that FANCA-deficient cells are dependent upon SIK2 for survival, supporting a preclinical rationale for targeting of SIK2 in FA-disrupted cancers.
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Affiliation(s)
- Ka-Kui Chan
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Zahi Abdul-Sater
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Aditya Sheth
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Dana K Mitchell
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Richa Sharma
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Donna M Edwards
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Ying He
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Grzegorz Nalepa
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA.,Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA.,Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Steven D Rhodes
- Division of Pediatric Hematology-Oncology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - D Wade Clapp
- Department of Pediatrics, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, IN, USA.,Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA.,Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
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14
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Kalev P, Hyer ML, Gross S, Konteatis Z, Chen CC, Fletcher M, Lein M, Aguado-Fraile E, Frank V, Barnett A, Mandley E, Goldford J, Chen Y, Sellers K, Hayes S, Lizotte K, Quang P, Tuncay Y, Clasquin M, Peters R, Weier J, Simone E, Murtie J, Liu W, Nagaraja R, Dang L, Sui Z, Biller SA, Travins J, Marks KM, Marjon K. MAT2A Inhibition Blocks the Growth of MTAP-Deleted Cancer Cells by Reducing PRMT5-Dependent mRNA Splicing and Inducing DNA Damage. Cancer Cell 2021; 39:209-224.e11. [PMID: 33450196 DOI: 10.1016/j.ccell.2020.12.010] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 10/30/2020] [Accepted: 12/10/2020] [Indexed: 12/13/2022]
Abstract
The methylthioadenosine phosphorylase (MTAP) gene is located adjacent to the cyclin-dependent kinase inhibitor 2A (CDKN2A) tumor-suppressor gene and is co-deleted with CDKN2A in approximately 15% of all cancers. This co-deletion leads to aggressive tumors with poor prognosis that lack effective, molecularly targeted therapies. The metabolic enzyme methionine adenosyltransferase 2α (MAT2A) was identified as a synthetic lethal target in MTAP-deleted cancers. We report the characterization of potent MAT2A inhibitors that substantially reduce levels of S-adenosylmethionine (SAM) and demonstrate antiproliferative activity in MTAP-deleted cancer cells and tumors. Using RNA sequencing and proteomics, we demonstrate that MAT2A inhibition is mechanistically linked to reduced protein arginine methyltransferase 5 (PRMT5) activity and splicing perturbations. We further show that DNA damage and mitotic defects ensue upon MAT2A inhibition in HCT116 MTAP-/- cells, providing a rationale for combining the MAT2A clinical candidate AG-270 with antimitotic taxanes.
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Affiliation(s)
- Peter Kalev
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Marc L Hyer
- Pharmacology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Stefan Gross
- Biochemistry and Biophysics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Zenon Konteatis
- Chemistry, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Chi-Chao Chen
- Bioinformatics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Mark Fletcher
- Bioinformatics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Max Lein
- Drug Metabolism and Pharmacokinetics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Elia Aguado-Fraile
- Clinical Biomarkers, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Victoria Frank
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Amelia Barnett
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Everton Mandley
- Pharmacology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Joshua Goldford
- Cell Metabolism, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Yue Chen
- Drug Metabolism and Pharmacokinetics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Katie Sellers
- Cell Metabolism, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Sebastian Hayes
- Cell Metabolism, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Kate Lizotte
- Cell Metabolism, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Phong Quang
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Yesim Tuncay
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Michelle Clasquin
- Cell Metabolism, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Rachel Peters
- Toxicology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Jaclyn Weier
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Eric Simone
- Chemistry, Manufacturing and Control, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Joshua Murtie
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA; Pharmacology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Wei Liu
- Bioinformatics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Raj Nagaraja
- Drug Metabolism and Pharmacokinetics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Lenny Dang
- Biochemistry and Biophysics, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Zhihua Sui
- Chemistry, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Scott A Biller
- Chemistry, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Jeremy Travins
- Chemistry, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Kevin M Marks
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA
| | - Katya Marjon
- Biology, Agios Pharmaceuticals, Inc., Cambridge, MA 02139, USA.
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15
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Zhou J, Zhou XA, Zhang N, Wang J. Evolving insights: how DNA repair pathways impact cancer evolution. Cancer Biol Med 2020; 17:805-827. [PMID: 33299637 PMCID: PMC7721097 DOI: 10.20892/j.issn.2095-3941.2020.0177] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 07/10/2020] [Indexed: 12/17/2022] Open
Abstract
Viewing cancer as a large, evolving population of heterogeneous cells is a common perspective. Because genomic instability is one of the fundamental features of cancer, this intrinsic tendency of genomic variation leads to striking intratumor heterogeneity and functions during the process of cancer formation, development, metastasis, and relapse. With the increased mutation rate and abundant diversity of the gene pool, this heterogeneity leads to cancer evolution, which is the major obstacle in the clinical treatment of cancer. Cells rely on the integrity of DNA repair machineries to maintain genomic stability, but these machineries often do not function properly in cancer cells. The deficiency of DNA repair could contribute to the generation of cancer genomic instability, and ultimately promote cancer evolution. With the rapid advance of new technologies, such as single-cell sequencing in recent years, we have the opportunity to better understand the specific processes and mechanisms of cancer evolution, and its relationship with DNA repair. Here, we review recent findings on how DNA repair affects cancer evolution, and discuss how these mechanisms provide the basis for critical clinical challenges and therapeutic applications.
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Affiliation(s)
- Jiadong Zhou
- Department of Radiation Medicine, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Xiao Albert Zhou
- Department of Radiation Medicine, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Ning Zhang
- Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China.,Biomedical Pioneering Innovation Center (BIOPIC) and Translational Cancer Research Center, School of Life Sciences, First Hospital, Peking University, Beijing 100871, China
| | - Jiadong Wang
- Department of Radiation Medicine, Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
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16
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Atkins A, Xu MJ, Li M, Rogers NP, Pryzhkova MV, Jordan PW. SMC5/6 is required for replication fork stability and faithful chromosome segregation during neurogenesis. eLife 2020; 9:e61171. [PMID: 33200984 PMCID: PMC7723410 DOI: 10.7554/elife.61171] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/16/2020] [Indexed: 12/21/2022] Open
Abstract
Mutations of SMC5/6 components cause developmental defects, including primary microcephaly. To model neurodevelopmental defects, we engineered a mouse wherein Smc5 is conditionally knocked out (cKO) in the developing neocortex. Smc5 cKO mice exhibited neurodevelopmental defects due to neural progenitor cell (NPC) apoptosis, which led to reduction in cortical layer neurons. Smc5 cKO NPCs formed DNA bridges during mitosis and underwent chromosome missegregation. SMC5/6 depletion triggers a CHEK2-p53 DNA damage response, as concomitant deletion of the Trp53 tumor suppressor or Chek2 DNA damage checkpoint kinase rescued Smc5 cKO neurodevelopmental defects. Further assessment using Smc5 cKO and auxin-inducible degron systems demonstrated that absence of SMC5/6 leads to DNA replication stress at late-replicating regions such as pericentromeric heterochromatin. In summary, SMC5/6 is important for completion of DNA replication prior to entering mitosis, which ensures accurate chromosome segregation. Thus, SMC5/6 functions are critical in highly proliferative stem cells during organism development.
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Affiliation(s)
- Alisa Atkins
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public HealthBaltimoreUnited States
| | - Michelle J Xu
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public HealthBaltimoreUnited States
| | - Maggie Li
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public HealthBaltimoreUnited States
| | - Nathaniel P Rogers
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public HealthBaltimoreUnited States
| | - Marina V Pryzhkova
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public HealthBaltimoreUnited States
| | - Philip W Jordan
- Biochemistry and Molecular Biology Department, Johns Hopkins University Bloomberg School of Public HealthBaltimoreUnited States
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17
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Canonical and Noncanonical Roles of Fanconi Anemia Proteins: Implications in Cancer Predisposition. Cancers (Basel) 2020; 12:cancers12092684. [PMID: 32962238 PMCID: PMC7565043 DOI: 10.3390/cancers12092684] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 09/11/2020] [Accepted: 09/17/2020] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Fanconi anemia (FA) is a genetic disorder that is characterized by bone marrow failure (BMF), developmental abnormalities, and predisposition to cancer. In this review, we present an overview of both canonical (regulation of interstrand cross-links repair, ICLs) and noncanonical roles of FA proteins. We divide noncanonical alternative functions in two types: nuclear (outside ICLs such as FA action in replication stress or DSB repair) and cytosolic (such as in mitochondrial quality control or selective autophagy). We further discuss the involvement of FA genes in the predisposition to develop different types of cancers and we examine current DNA damage response-targeted therapies. Finally, we promote an insightful perspective regarding the clinical implication of the cytosolic noncanonical roles of FA proteins in cancer predisposition, suggesting that these alternative roles could be of critical importance for disease progression. Abstract Fanconi anemia (FA) is a clinically and genetically heterogeneous disorder characterized by the variable presence of congenital somatic abnormalities, bone marrow failure (BMF), and a predisposition to develop cancer. Monoallelic germline mutations in at least five genes involved in the FA pathway are associated with the development of sporadic hematological and solid malignancies. The key function of the FA pathway is to orchestrate proteins involved in the repair of interstrand cross-links (ICLs), to prevent genomic instability and replication stress. Recently, many studies have highlighted the importance of FA genes in noncanonical pathways, such as mitochondria homeostasis, inflammation, and virophagy, which act, in some cases, independently of DNA repair processes. Thus, primary defects in DNA repair mechanisms of FA patients are typically exacerbated by an impairment of other cytoprotective pathways that contribute to the multifaceted clinical phenotype of this disease. In this review, we summarize recent advances in the understanding of the pathogenesis of FA, with a focus on the cytosolic noncanonical roles of FA genes, discussing how they may contribute to cancer development, thus suggesting opportunities to envisage novel therapeutic approaches.
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18
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Chien ML, Lai JH, Lin TF, Yang WS, Juang YL. NUP62 is required for the maintenance of the spindle assembly checkpoint and chromosomal stability. Int J Biochem Cell Biol 2020; 128:105843. [PMID: 32905854 DOI: 10.1016/j.biocel.2020.105843] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 08/11/2020] [Accepted: 08/27/2020] [Indexed: 10/23/2022]
Abstract
The nuclear pore protein NUP62 localizes to spindle poles in mitosis and plays a role in maintaining centrosome homeostasis. In this study, we found that NUP62-depleted cells exhibited a defective spindle assembly checkpoint (SAC) and that depletion of NUP62 caused a slight decrease in MAD2 protein levels after nocodazole treatment. However, depletion of NUP62 did not cause a failure in kinetochore localization of the SAC proteins BUBR1, MAD1, and MAD2 in prometaphase. NUP62 depletion slightly prolonged mitotic timing but did not affect cell doubling time. In addition, NUP62 depletion caused a SAC defect and induced aneuploidy in human neural stem cells. Furthermore, overexpression of NUP62Q391P, a mutant protein causing autosomal recessive infantile bilateral striatal necrosis, resulted in a defect in the SAC, indicating that the amino acid residue Q391 in NUP62 is crucial for its effect on the SAC. Overall, we conclude that NUP62 maintains the SAC downstream of kinetochores and thereby ensures maintenance of chromosomal stability.
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Affiliation(s)
- Man-Ling Chien
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan
| | - Jian-Han Lai
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan; Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan; Mackay Medicine, Nursing and Management College, Taipei, Taiwan
| | - Ting-Fong Lin
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan
| | - Wan-Syuan Yang
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan
| | - Yue-Li Juang
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan.
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FANCD2 Confers a Malignant Phenotype in Esophageal Squamous Cell Carcinoma by Regulating Cell Cycle Progression. Cancers (Basel) 2020; 12:cancers12092545. [PMID: 32906798 PMCID: PMC7565464 DOI: 10.3390/cancers12092545] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/30/2020] [Accepted: 08/31/2020] [Indexed: 01/05/2023] Open
Abstract
Fanconi anemia patients with germline genetic defects in FANCD2 are highly susceptible to cancers. Esophageal squamous cell carcinoma (ESCC) is a deadly cancer. Little is known about the function of FANCD2 in ESCC. For detailed molecular and mechanistic insights on the functional role of FANCD2 in ESCC, in vivo and in vitro assays and RNA sequencing approaches were used. Utilizing Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR) technology, FANCD2 knockout models were established to examine the functional impact in mouse models for tumor growth and metastasis and in vitro assays for cell growth, cell cycle, and cellular localization. Our RNA sequence analyses were integrated with public datasets. FANCD2 confers a malignant phenotype in ESCC. FANCD2 is significantly upregulated in ESCC tumors, as compared to normal counterparts. Depletion of FANCD2 protein expression significantly suppresses the cancer cell proliferation and tumor colony formation and metastasis potential, as well as cell cycle progression, by involving cyclin-CDK and ATR/ATM signaling. FANCD2 translocates from the nucleus to the cytoplasm during cell cycle progression. We provide evidence of a novel role of FANCD2 in ESCC tumor progression and its potential usefulness as a biomarker for ESCC disease management.
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20
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Protective Mechanisms Against DNA Replication Stress in the Nervous System. Genes (Basel) 2020; 11:genes11070730. [PMID: 32630049 PMCID: PMC7397197 DOI: 10.3390/genes11070730] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/25/2020] [Accepted: 06/25/2020] [Indexed: 02/06/2023] Open
Abstract
The precise replication of DNA and the successful segregation of chromosomes are essential for the faithful transmission of genetic information during the cell cycle. Alterations in the dynamics of genome replication, also referred to as DNA replication stress, may lead to DNA damage and, consequently, mutations and chromosomal rearrangements. Extensive research has revealed that DNA replication stress drives genome instability during tumorigenesis. Over decades, genetic studies of inherited syndromes have established a connection between the mutations in genes required for proper DNA repair/DNA damage responses and neurological diseases. It is becoming clear that both the prevention and the responses to replication stress are particularly important for nervous system development and function. The accurate regulation of cell proliferation is key for the expansion of progenitor pools during central nervous system (CNS) development, adult neurogenesis, and regeneration. Moreover, DNA replication stress in glial cells regulates CNS tumorigenesis and plays a role in neurodegenerative diseases such as ataxia telangiectasia (A-T). Here, we review how replication stress generation and replication stress response (RSR) contribute to the CNS development, homeostasis, and disease. Both cell-autonomous mechanisms, as well as the evidence of RSR-mediated alterations of the cellular microenvironment in the nervous system, were discussed.
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21
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Wilhelm T, Said M, Naim V. DNA Replication Stress and Chromosomal Instability: Dangerous Liaisons. Genes (Basel) 2020; 11:E642. [PMID: 32532049 PMCID: PMC7348713 DOI: 10.3390/genes11060642] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 12/16/2022] Open
Abstract
Chromosomal instability (CIN) is associated with many human diseases, including neurodevelopmental or neurodegenerative conditions, age-related disorders and cancer, and is a key driver for disease initiation and progression. A major source of structural chromosome instability (s-CIN) leading to structural chromosome aberrations is "replication stress", a condition in which stalled or slowly progressing replication forks interfere with timely and error-free completion of the S phase. On the other hand, mitotic errors that result in chromosome mis-segregation are the cause of numerical chromosome instability (n-CIN) and aneuploidy. In this review, we will discuss recent evidence showing that these two forms of chromosomal instability can be mechanistically interlinked. We first summarize how replication stress causes structural and numerical CIN, focusing on mechanisms such as mitotic rescue of replication stress (MRRS) and centriole disengagement, which prevent or contribute to specific types of structural chromosome aberrations and segregation errors. We describe the main outcomes of segregation errors and how micronucleation and aneuploidy can be the key stimuli promoting inflammation, senescence, or chromothripsis. At the end, we discuss how CIN can reduce cellular fitness and may behave as an anticancer barrier in noncancerous cells or precancerous lesions, whereas it fuels genomic instability in the context of cancer, and how our current knowledge may be exploited for developing cancer therapies.
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Affiliation(s)
- Therese Wilhelm
- CNRS UMR9019 Genome Integrity and Cancers, Université Paris Saclay, Gustave Roussy, 94805 Villejuif, France; (T.W.); (M.S.)
- UMR144 Cell Biology and Cancer, Institut Curie, 75005 Paris, France
| | - Maha Said
- CNRS UMR9019 Genome Integrity and Cancers, Université Paris Saclay, Gustave Roussy, 94805 Villejuif, France; (T.W.); (M.S.)
| | - Valeria Naim
- CNRS UMR9019 Genome Integrity and Cancers, Université Paris Saclay, Gustave Roussy, 94805 Villejuif, France; (T.W.); (M.S.)
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22
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Fang CB, Wu HT, Zhang ML, Liu J, Zhang GJ. Fanconi Anemia Pathway: Mechanisms of Breast Cancer Predisposition Development and Potential Therapeutic Targets. Front Cell Dev Biol 2020; 8:160. [PMID: 32300589 PMCID: PMC7142266 DOI: 10.3389/fcell.2020.00160] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 02/28/2020] [Indexed: 02/05/2023] Open
Abstract
The maintenance of genomic stability is crucial for species survival, and its failure is closely associated with tumorigenesis. The Fanconi anemia (FA) pathway, involving 22 identified genes, plays a central role in repairing DNA interstrand cross-links. Importantly, a germline defect in any of these genes can cause Fanconi's anemia, a heterogeneous genetic disorder, characterized by congenital growth abnormalities, bone marrow failure, and predisposition to cancer. On the other hand, the breast cancer susceptibility genes, BRCA1 and BRCA2, also known as FANCS and FANCD1, respectively, are involved in the FA pathway; hence, researchers have studied the association between the FA pathway and cancer predisposition. Here, we mainly focused on and systematically reviewed the clinical and mechanistic implications of the predisposition of individuals with abnormalities in the FA pathway to cancer, especially breast cancer.
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Affiliation(s)
- Can-Bin Fang
- Chang Jiang Scholar’s Laboratory/Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Shantou University Medical College, Shantou, China
| | - Hua-Tao Wu
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Man-Li Zhang
- Chang Jiang Scholar’s Laboratory/Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Shantou University Medical College, Shantou, China
| | - Jing Liu
- Chang Jiang Scholar’s Laboratory/Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Shantou University Medical College, Shantou, China
- Department of Physiology, Shantou University Medical College, Shantou, China
- *Correspondence: Jing Liu,
| | - Guo-Jun Zhang
- Chang Jiang Scholar’s Laboratory/Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Shantou University Medical College, Shantou, China
- The Cancer Center and the Department of Breast-Thyroid Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiang’an, China
- Guo-Jun Zhang, ;
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23
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Potter H, Chial HJ, Caneus J, Elos M, Elder N, Borysov S, Granic A. Chromosome Instability and Mosaic Aneuploidy in Neurodegenerative and Neurodevelopmental Disorders. Front Genet 2019; 10:1092. [PMID: 31788001 PMCID: PMC6855267 DOI: 10.3389/fgene.2019.01092] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 10/09/2019] [Indexed: 12/15/2022] Open
Abstract
Evidence from multiple laboratories has accumulated to show that mosaic neuronal aneuploidy and consequent apoptosis characterizes and may underlie neuronal loss in many neurodegenerative diseases, particularly Alzheimer’s disease and frontotemporal dementia. Furthermore, several neurodevelopmental disorders, including Seckel syndrome, ataxia telangiectasia, Nijmegen breakage syndrome, Niemann–Pick type C, and Down syndrome, have been shown to also exhibit mosaic aneuploidy in neurons in the brain and in other cells throughout the body. Together, these results indicate that both neurodegenerative and neurodevelopmental disorders with apparently different pathogenic causes share a cell cycle defect that leads to mosaic aneuploidy in many cell types. When such mosaic aneuploidy arises in neurons in the brain, it promotes apoptosis and may at least partly underlie the cognitive deficits that characterize the neurological symptoms of these disorders. These findings have implications for both diagnosis and treatment/prevention.
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Affiliation(s)
- Huntington Potter
- Department of Neurology, Rocky Mountain Alzheimer's Disease Center, University of Colorado, Aurora, CO, United States.,Linda Crnic Institute for Down Syndrome, University of Colorado, Aurora, CO, United States
| | - Heidi J Chial
- Department of Neurology, Rocky Mountain Alzheimer's Disease Center, University of Colorado, Aurora, CO, United States.,Linda Crnic Institute for Down Syndrome, University of Colorado, Aurora, CO, United States
| | - Julbert Caneus
- NanoScience Technology Center, University of Central Florida, Orlando, FL, United States
| | - Mihret Elos
- Department of Neurology, Rocky Mountain Alzheimer's Disease Center, University of Colorado, Aurora, CO, United States.,Linda Crnic Institute for Down Syndrome, University of Colorado, Aurora, CO, United States
| | - Nina Elder
- Department of Neurology, Rocky Mountain Alzheimer's Disease Center, University of Colorado, Aurora, CO, United States.,Linda Crnic Institute for Down Syndrome, University of Colorado, Aurora, CO, United States
| | - Sergiy Borysov
- Department of Math and Science, Saint Leo University, Saint Leo, FL, United States
| | - Antoneta Granic
- AGE Research Group, Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, United Kingdom.,Newcastle University Institute for Ageing, NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne, United Kingdom.,Newcastle upon Tyne Hospitals, NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
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Exome sequencing of oral leukoplakia and oral squamous cell carcinoma implicates DNA damage repair gene defects in malignant transformation. Oral Oncol 2019; 96:42-50. [PMID: 31422212 DOI: 10.1016/j.oraloncology.2019.07.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/28/2019] [Accepted: 07/05/2019] [Indexed: 12/19/2022]
Abstract
OBJECTIVES To map the genomic pathways of patients with oral leukoplakia (OLK) which transformed to cancer (progressive) and those which did not (non-progressive), and to compare their exomic profiles. MATERIALS AND METHODS Whole exome sequencing was performed on 42 sequential samples from five progressive and eight non-progressive patients. Association of genomic variant frequencies with progression or lesion severity were analysed by non-parametric tests (Kruskal-Wallis and Mann-Whitney-Wilcoxon) and multivariate sparse partial least squares discriminant analysis (sPLS-DA). Enrichment analysis was used to characterise the effect of mutations upon biological pathways. Confirmatory studies used qPCR and immunohistochemistry. RESULTS Using sPLS-DA, the variant frequency of a small number of genes could be used to classify the samples based on lesion severity or progressive status. Enrichment analysis showed that DNA damage repair gene related pathways were highly impacted in lesions which progressed to cancer. Multivariate analysis of a set of 148 DNA damage repair genes could be used to classify progressive lesions using mutation frequency. BRCA1, BRCA2 and other double strand break (DSB) repair Fanconi anaemia (FA)/BRCA pathway genes were prominent contributors to this classification. CONCLUSION Patients with progressive and non-progressive OLK can be differentiated using the frequency of exomic variants, particularly in DNA damage repair pathway genes. To our knowledge, this is the first report of FA/BRCA (DSB) pathway involvement in malignant transformation of OLK to oral squamous cell carcinoma (OSCC).
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25
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Lewis TW, Barthelemy JR, Virts EL, Kennedy FM, Gadgil RY, Wiek C, Linka RM, Zhang F, Andreassen PR, Hanenberg H, Leffak M. Deficiency of the Fanconi anemia E2 ubiqitin conjugase UBE2T only partially abrogates Alu-mediated recombination in a new model of homology dependent recombination. Nucleic Acids Res 2019; 47:3503-3520. [PMID: 30715513 PMCID: PMC6468168 DOI: 10.1093/nar/gkz026] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/04/2019] [Accepted: 01/30/2019] [Indexed: 12/11/2022] Open
Abstract
The primary function of the UBE2T ubiquitin conjugase is in the monoubiquitination of the FANCI-FANCD2 heterodimer, a central step in the Fanconi anemia (FA) pathway. Genetic inactivation of UBE2T is responsible for the phenotypes of FANCT patients; however, a FANCT patient carrying a maternal duplication and a paternal deletion in the UBE2T loci displayed normal peripheral blood counts and UBE2T protein levels in B-lymphoblast cell lines. To test whether reversion by recombination between UBE2T AluYa5 elements could have occurred in the patient's hematopoietic stem cells despite the defects in homologous recombination (HR) in FA cells, we constructed HeLa cell lines containing the UBE2T AluYa5 elements and neighboring intervening sequences flanked by fluorescent reporter genes. Introduction of a DNA double strand break in the model UBE2T locus in vivo promoted single strand annealing (SSA) between proximal Alu elements and deletion of the intervening color marker gene, recapitulating the reversion of the UBE2T duplication in the FA patient. To test whether UBE2T null cells retain HR activity, the UBE2T genes were knocked out in HeLa cells and U2OS cells. CRISPR/Cas9-mediated genetic knockout of UBE2T only partially reduced HR, demonstrating that UBE2T-independent pathways can compensate for the recombination defect in UBE2T/FANCT null cells.
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Affiliation(s)
- Todd W Lewis
- Department of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, OH, USA
| | - Joanna R Barthelemy
- Department of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, OH, USA
| | - Elizabeth L Virts
- Department of Pediatrics and Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Felicia M Kennedy
- Department of Pediatrics and Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Rujuta Y Gadgil
- Department of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, OH, USA
| | - Constanze Wiek
- Department of Otorhinolaryngology and Head/Neck Surgery, Heinrich Heine University, 40225 Duüsseldorf, Germany
| | - Rene M Linka
- Department of Otorhinolaryngology and Head/Neck Surgery, Heinrich Heine University, 40225 Duüsseldorf, Germany
| | - Feng Zhang
- Division of Experimental Hematology & Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Paul R Andreassen
- Division of Experimental Hematology & Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Helmut Hanenberg
- Department of Otorhinolaryngology and Head/Neck Surgery, Heinrich Heine University, 40225 Duüsseldorf, Germany
- Department of Pediatrics III, University Children's Hospital Essen, University of Duisburg-Essen, 45122 Essen, Germany
| | - Michael Leffak
- Department of Biochemistry and Molecular Biology, Boonshoft School of Medicine, Wright State University, Dayton, OH, USA
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Moes-Sosnowska J, Rzepecka IK, Chodzynska J, Dansonka-Mieszkowska A, Szafron LM, Balabas A, Lotocka R, Sobiczewski P, Kupryjanczyk J. Clinical importance of FANCD2, BRIP1, BRCA1, BRCA2 and FANCF expression in ovarian carcinomas. Cancer Biol Ther 2019; 20:843-854. [PMID: 30822218 PMCID: PMC6606037 DOI: 10.1080/15384047.2019.1579955] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE DNA repair pathways are potential targets of molecular therapy in cancer patients. The FANCD2, BRIP1, BRCA1/2, and FANCF genes are involved in homologous recombination DNA repair, which implicates their possible role in cell response to DNA-damaging agents. We evaluated a clinical significance of pre-treatment expression of these genes at mRNA level in 99 primary, advanced-stage ovarian carcinomas from patients, who later received taxane-platinum (TP) or platinum-cyclophosphamide (PC) treatment. METHODS Gene expression was determined with the use of Real-Time PCR. The BRCA2 and BRIP1 gene sequence was investigated with the use of SSCP, dHPLC, and PCR-sequencing. RESULTS Increased FANCD2 expression occurred to be a negative prognostic factor for all patients (PC+TP:HR 3.85, p = 0.0003 for the risk of recurrence; HR 1.96, p = 0.02 for the risk of death), and this association was even stronger in the TP-treated group (HR 6.7, p = 0.0002 and HR 2.33, p = 0.01, respectively). Elevated BRIP1 expression was the only unfavorable molecular factor in the PC-treated patients (HR 8.37, p = 0.02 for the risk of recurrence). Additionally, an increased FANCD2 and BRCA1/2 expression levels were associated with poor ovarian cancer outcome in either TP53-positive or -negative subgroups of the TP-treated patients, however these groups were small. Sequence analysis identified one protein truncating variant (1/99) in BRCA2 and no mutations (0/56) in BRIP1. CONCLUSIONS Our study shows for the first time that FANCD2 overexpression is a strong negative prognostic factor in ovarian cancer, particularly in patients treated with TP regimen. Moreover, increased mRNA level of the BRIP1 is a negative prognostic factor in the PC-treated patients. Next, changes in the BRCA2 and BRIP1 genes are rare and together with other analyzed FA genes considered as homologous recombination deficiency may not affect the expression level of analyzed genes.
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Affiliation(s)
- Joanna Moes-Sosnowska
- a Department of Immunology , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Iwona K Rzepecka
- b Department of Pathology and Laboratory Diagnostics , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Joanna Chodzynska
- c Laboratory of Bioinformatics and Biostatistics , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Agnieszka Dansonka-Mieszkowska
- b Department of Pathology and Laboratory Diagnostics , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Lukasz M Szafron
- a Department of Immunology , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Aneta Balabas
- d Department of Genetics , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Renata Lotocka
- b Department of Pathology and Laboratory Diagnostics , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Piotr Sobiczewski
- e Department of Gynecologic Oncology , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
| | - Jolanta Kupryjanczyk
- b Department of Pathology and Laboratory Diagnostics , Maria Sklodowska-Curie Institute - Oncology Center , Warsaw , Poland
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27
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El-Arabey AA, Salama SA, Abd-Allah AR. Does FANCA Assist CENP-E in Architectural Organization of Chromosomes at Spindle Equator? Balkan Med J 2018; 35:410-411. [PMID: 29952310 PMCID: PMC6158463 DOI: 10.4274/balkanmedj.2018.0709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Affiliation(s)
- Amr Ahmed El-Arabey
- Department of Pharmacology and Toxicology, Al-Azhar University Faculty of Pharmacy, Nasr City, Cairo, Egypt
| | - Salama Abdu Salama
- Department of Pharmacology and Toxicology, Al-Azhar University Faculty of Pharmacy, Nasr City, Cairo, Egypt
| | - Adel Rashad Abd-Allah
- Department of Pharmacology and Toxicology, Al-Azhar University Faculty of Pharmacy, Nasr City, Cairo, Egypt
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28
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Sharma S, Zhuang R, Long M, Pavlovic M, Kang Y, Ilyas A, Asghar W. Circulating tumor cell isolation, culture, and downstream molecular analysis. Biotechnol Adv 2018; 36:1063-1078. [PMID: 29559380 DOI: 10.1016/j.biotechadv.2018.03.007] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 03/07/2018] [Accepted: 03/12/2018] [Indexed: 12/12/2022]
Abstract
Circulating tumor cells (CTCs) are a major contributor of cancer metastases and hold a promising prognostic significance in cancer detection. Performing functional and molecular characterization of CTCs provides an in-depth knowledge about this lethal disease. Researchers are making efforts to design devices and develop assays for enumeration of CTCs with a high capture and detection efficiency from whole blood of cancer patients. The existing and on-going research on CTC isolation methods has revealed cell characteristics which are helpful in cancer monitoring and designing of targeted cancer treatments. In this review paper, a brief summary of existing CTC isolation methods is presented. We also discuss methods of detaching CTC from functionalized surfaces (functional assays/devices) and their further use for ex-vivo culturing that aid in studies regarding molecular properties that encourage metastatic seeding. In the clinical applications section, we discuss a number of cases that CTCs can play a key role for monitoring metastases, drug treatment response, and heterogeneity profiling regarding biomarkers and gene expression studies that bring treatment design further towards personalized medicine.
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Affiliation(s)
- Sandhya Sharma
- Department of Computer & Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL 33431, USA; Asghar-Lab, Micro and Nanotechnology in Medicine, College of Engineering and Computer Science, Boca Raton, FL 33431, USA
| | - Rachel Zhuang
- Asghar-Lab, Micro and Nanotechnology in Medicine, College of Engineering and Computer Science, Boca Raton, FL 33431, USA
| | - Marisa Long
- Asghar-Lab, Micro and Nanotechnology in Medicine, College of Engineering and Computer Science, Boca Raton, FL 33431, USA
| | - Mirjana Pavlovic
- Department of Computer & Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Yunqing Kang
- Department of Ocean & Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL 33431, USA; Department of Biomedical Science, College of Medicine, Florida Atlantic University, Boca Raton, FL 33431, USA
| | - Azhar Ilyas
- Department of Electrical & Computer Engineering, New York Institute of Technology, Old Westbury, NY 11568, USA
| | - Waseem Asghar
- Department of Computer & Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL 33431, USA; Asghar-Lab, Micro and Nanotechnology in Medicine, College of Engineering and Computer Science, Boca Raton, FL 33431, USA; Department of Biological Sciences, Florida Atlantic University, Boca Raton, FL 33431, USA.
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29
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Federico MB, Campodónico P, Paviolo NS, Gottifredi V. Beyond interstrand crosslinks repair: contribution of FANCD2 and other Fanconi Anemia proteins to the replication of DNA. Mutat Res 2018; 808:83-92. [PMID: 29031493 DOI: 10.1016/j.mrfmmm.2017.09.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 09/11/2017] [Indexed: 06/07/2023]
Abstract
Biallelic mutations of FANCD2 and other components of the Fanconi Anemia (FA) pathway cause a disease characterized by bone marrow failure, cancer predisposition and a striking sensitivity to agents that induce crosslinks between the two complementary DNA strands (inter-strand crosslinks-ICL). Such genotoxins were used to characterize the contribution of the FA pathway to the genomic stability of cells, thus unravelling the biological relevance of ICL repair in the context of the disease. Notwithstanding this, whether the defect in ICL repair as the sole trigger for the multiple physiological alterations observed in FA patients is still under investigation. Remarkably, ICL-independent functions of FANCD2 and other components of the FA pathway were recently reported. FANCD2 contributes to the processing of very challenging double strand ends (DSEs: one ended Double Strand Breaks -DSBs- created during DNA replication). Other ICL-independent functions of FANCD2 include prevention of DNA breakage at stalled replication forks and facilitation of chromosome segregation at the end of M phase. The current understanding of replication-associated functions of FANCD2 and its relevance for the survival of genomically stable cells is herein discussed.
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Affiliation(s)
- Maria B Federico
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - Paola Campodónico
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - Natalia S Paviolo
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - Vanesa Gottifredi
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina.
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30
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Abstract
Fanconi anaemia (FA) is a genetic disorder that is characterized by bone marrow failure (BMF), developmental abnormalities and predisposition to cancer. Together with other proteins involved in DNA repair processes and cell division, the FA proteins maintain genome homeostasis, and germline mutation of any one of the genes that encode FA proteins causes FA. Monoallelic inactivation of some FA genes, such as FA complementation group D1 (FANCD1; also known as the breast and ovarian cancer susceptibility gene BRCA2), leads to adult-onset cancer predisposition but does not cause FA, and somatic mutations in FA genes occur in cancers in the general population. Carcinogenesis resulting from a dysregulated FA pathway is multifaceted, as FA proteins monitor multiple complementary genome-surveillance checkpoints throughout interphase, where monoubiquitylation of the FANCD2-FANCI heterodimer by the FA core complex promotes recruitment of DNA repair effectors to chromatin lesions to resolve DNA damage and mitosis. In this Review, we discuss how the FA pathway safeguards genome integrity throughout the cell cycle and show how studies of FA have revealed opportunities to develop rational therapeutics for this genetic disease and for malignancies that acquire somatic mutations within the FA pathway.
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Affiliation(s)
- Grzegorz Nalepa
- Department of Pediatrics, Section of Pediatric Hematology-Oncology, Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 W Walnut Street, R4-421, Indianapolis, Indiana 46202, USA
- Riley Hospital for Children at Indiana University Health, 705 Riley Hospital Drive, Room 5900, Indianapolis, Indiana 46202, USA
- Department of Biochemistry, Indiana University School of Medicine
- Department of Medical and Molecular Genetics, Indiana University School of Medicine
| | - D Wade Clapp
- Riley Hospital for Children at Indiana University Health, 705 Riley Hospital Drive, Room 5900, Indianapolis, Indiana 46202, USA
- Department of Biochemistry, Indiana University School of Medicine
- Department of Microbiology and Immunology, Indiana University School of Medicine
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, 46202, USA
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The Fanconi anemia pathway controls oncogenic response in hematopoietic stem and progenitor cells by regulating PRMT5-mediated p53 arginine methylation. Oncotarget 2018; 7:60005-60020. [PMID: 27507053 PMCID: PMC5312365 DOI: 10.18632/oncotarget.11088] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 07/26/2016] [Indexed: 01/26/2023] Open
Abstract
The Fanconi anemia (FA) pathway is involved in DNA damage and other cellular stress responses. We have investigated the role of the FA pathway in oncogenic stress response by employing an in vivo stress-response model expressing the Gadd45β-luciferase transgene. Using two inducible models of oncogenic activation (LSL-K-rasG12D and MycER), we show that hematopoietic stem and progenitor cells (HSPCs) from mice deficient for the FA core complex components Fanca or Fancc exhibit aberrant short-lived response to oncogenic insults. Mechanistic studies reveal that FA deficiency in HSPCs impairs oncogenic stress-induced G1 cell-cycle checkpoint, resulting from a compromised K-rasG12D-induced arginine methylation of p53 mediated by the protein arginine methyltransferase 5 (PRMT5). Furthermore, forced expression of PRMT5 in HSPCs from LSL-K-rasG12D/CreER-Fanca−/− mice prolongs oncogenic response and delays leukemia development in recipient mice. Our study defines an arginine methylation-dependent FA-p53 interplay that controls oncogenic stress response.
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Chun MJ, Kim S, Hwang SK, Kim BS, Kim HG, Choi HI, Kim JH, Goh SH, Lee CH. AMP-activated protein kinase is involved in the activation of the Fanconi anemia/BRCA pathway in response to DNA interstrand crosslinks. Oncotarget 2018; 7:53642-53653. [PMID: 27449087 PMCID: PMC5288211 DOI: 10.18632/oncotarget.10686] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 07/07/2016] [Indexed: 12/27/2022] Open
Abstract
Fanconi anemia complementation group (FANC) proteins constitute the Fanconi Anemia (FA)/BRCA pathway that is activated in response to DNA interstrand crosslinks (ICLs). We previously performed yeast two-hybrid screening to identify novel FANC-interacting proteins and discovered that the alpha subunit of AMP-activated protein kinase (AMPKα1) was a candidate binding partner of the FANCG protein, which is a component of the FA nuclear core complex. We confirmed the interaction between AMPKα and both FANCG using co-immunoprecipitation experiments. Additionally, we showed that AMPKα interacted with FANCA, another component of the FA nuclear core complex. AMPKα knockdown in U2OS cells decreased FANCD2 monoubiquitination and nuclear foci formation upon mitomycin C-induced ICLs. Furthermore, AMPKα knockdown enhanced cellular sensitivity to MMC. MMC treatment resulted in an increase in AMPKα phosphorylation/activation, indicating AMPK is involved in the cellular response to ICLs. FANCA was phosphorylated by AMPK at S347 and phosphorylation increased with MMC treatment. MMC-induced FANCD2 monoubiquitination and nuclear foci formation were compromised in a U2OS cell line that stably overexpressed the S347A mutant form of FANCA compared to wild-type FANCA-overexpressing cells, indicating a requirement for FANCA phosphorylation at S347 for proper activation of the FA/BRCA pathway. Our data suggest AMPK is involved in the activation of the FA/BRCA pathway.
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Affiliation(s)
- Min Jeong Chun
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Sunshin Kim
- Precision Medicine Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Soo Kyung Hwang
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Bong Sub Kim
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Hyoun Geun Kim
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Hae In Choi
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Jong Heon Kim
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Sung Ho Goh
- Precision Medicine Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
| | - Chang-Hun Lee
- Cancer Cell and Molecular Biology Branch, Research Institute, National Cancer Center, Ilsandong-gu, Goyang, Gyeonggi, 10408, Korea
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Abstract
Fanconi anemia is an inherited disease characterized by genomic instability, hypersensitivity to DNA cross-linking agents, bone marrow failure, short stature, skeletal abnormalities, and a high relative risk of myeloid leukemia and epithelial malignancies. The 21 Fanconi anemia genes encode proteins involved in multiple nuclear biochemical pathways that effect DNA interstrand crosslink repair. In the past, bone marrow failure was attributed solely to the failure of stem cells to repair DNA. Recently, non-canonical functions of many of the Fanconi anemia proteins have been described, including modulating responses to oxidative stress, viral infection, and inflammation as well as facilitating mitophagic responses and enhancing signals that promote stem cell function and survival. Some of these functions take place in non-nuclear sites and do not depend on the DNA damage response functions of the proteins. Dysfunctions of the canonical and non-canonical pathways that drive stem cell exhaustion and neoplastic clonal selection are reviewed, and the potential therapeutic importance of fully investigating the scope and interdependences of the canonical and non-canonical pathways is emphasized.
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Affiliation(s)
- Grover Bagby
- Departments of Medicine and Molecular and Medical Genetics, Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, USA
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Tzeng YW, Li DY, Chen Y, Yang CH, Chang CY, Juang YL. LMO7 exerts an effect on mitosis progression and the spindle assembly checkpoint. Int J Biochem Cell Biol 2017; 94:22-30. [PMID: 29158164 DOI: 10.1016/j.biocel.2017.11.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 11/07/2017] [Accepted: 11/16/2017] [Indexed: 12/23/2022]
Abstract
LMO7 (LIM domain only 7) is a transcription regulator for expression of many Emery-Dreifuss muscular dystrophy-relevant genes, and binds to α-actinin and AF6/afadin at adherens junctions for epithelial cell-cell adhesion. In this study, we found that human LMO7 interacted with the spindle assembly checkpoint (SAC) protein MAD1. LMO7 colocalized with actin filaments at the cell membrane but did not colocalize with MAD1 at kinetochores in prometaphase. Our observations reveal that overexpression but not depletion of LMO7 caused a SAC defect, and that the LIM domain of LMO7 was a determinant of its ability to interfere with kinetochore localization of the SAC proteins MAD2 and BUBR1 and cause a SAC defect though the LIM peptide itself did neither bind to MAD1, MAD2 and BUBR1 nor localize to the actin filaments. However, overexpression of LMO7 or the LIM peptide did not interfere with kinetochore localization of MAD1. Additionally, overexpression of the LIM peptide prolonged mitotic timing and interfered with chromosome congression whereas that of LMO7b did not. Taken together, we conclude that LMO7 via its LIM domain acts to control mitosis progression and exerts an effect on the SAC.
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Affiliation(s)
- Yao-Wei Tzeng
- Institute of Medical Sciences, Tzu-Chi University, Hualien 97004, Taiwan
| | - Dai-Yu Li
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City 25245, Taiwan
| | - Yvan Chen
- Institute of Biomedical Sciences, Mackay Medical College, New Taipei City 25245, Taiwan
| | - Cheng-Hsiu Yang
- Institute of Molecular Biology and Human Genetics, Tzu-Chi University, Hualien 97004, Taiwan
| | - Chih-Yun Chang
- Institute of Molecular Biology and Human Genetics, Tzu-Chi University, Hualien 97004, Taiwan
| | - Yue-Li Juang
- Institute of Medical Sciences, Tzu-Chi University, Hualien 97004, Taiwan; Institute of Biomedical Sciences, Mackay Medical College, New Taipei City 25245, Taiwan.
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Federico MB, Campodónico P, Paviolo NS, Gottifredi V. ACCIDENTAL DUPLICATION: Beyond interstrand crosslinks repair: Contribution of FANCD2 and other Fanconi Anemia proteins to the replication of DNA. Mutat Res 2017:S0027-5107(17)30167-7. [PMID: 28966006 DOI: 10.1016/j.mrfmmm.2017.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 09/24/2017] [Indexed: 11/30/2022]
Abstract
The Publisher regrets that this article is an accidental duplication of an article that has already been published, http://dx.doi.org/ 10.1016/j.mrfmmm.2017.09.006. This duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
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Affiliation(s)
- Maria B Federico
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - Paola Campodónico
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - Natalia S Paviolo
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - Vanesa Gottifredi
- Cell Cycle and Genomic Stability Laboratory, Fundación Instituto Leloir-Instituto de Investigaciones Bioquímicas de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina.
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36
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Cheung RS, Taniguchi T. Recent insights into the molecular basis of Fanconi anemia: genes, modifiers, and drivers. Int J Hematol 2017; 106:335-344. [PMID: 28631178 PMCID: PMC5904331 DOI: 10.1007/s12185-017-2283-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 06/14/2017] [Indexed: 02/06/2023]
Abstract
Fanconi anemia (FA), the most common form of inherited bone marrow failure, predisposes to leukemia and solid tumors. FA is caused by the genetic disruption of a cellular pathway that repairs DNA interstrand crosslinks. The impaired function of this pathway, and the genetic instability that results, is considered the main pathogenic mechanism behind this disease. The identification of breast cancer susceptibility genes (for example, BRCA1/FANCS and BRCA2/FANCD1) as being major players in the FA pathway has led to a surge in molecular studies, resulting in the concept of the FA-BRCA pathway. In this review, we discuss recent advances in the molecular pathogenesis of FA from three viewpoints: (a) new FA genes, (b) modifier pathways that influence the cellular and clinical phenotypes of FA and (c) non-canonical functions of FA genes that may drive disease progression independently of deficient DNA repair. Potential therapeutic approaches for FA that are relevant to each will also be proposed.
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Affiliation(s)
- Ronald S Cheung
- Division of Human Biology, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., C1-015, Seattle, WA, 98109-1024, USA
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., C1-015, Seattle, WA, 98109-1024, USA
- Division of Clinical Research, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., C1-015, Seattle, WA, 98109-1024, USA
| | - Toshiyasu Taniguchi
- Division of Human Biology, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., C1-015, Seattle, WA, 98109-1024, USA.
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave. N., C1-015, Seattle, WA, 98109-1024, USA.
- Department of Molecular Life Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan.
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37
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Mitotic Dysfunction Associated with Aging Hallmarks. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1002:153-188. [DOI: 10.1007/978-3-319-57127-0_7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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INPP5E Preserves Genomic Stability through Regulation of Mitosis. Mol Cell Biol 2017; 37:MCB.00500-16. [PMID: 28031327 PMCID: PMC5335510 DOI: 10.1128/mcb.00500-16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 12/17/2016] [Indexed: 12/13/2022] Open
Abstract
The partially understood phosphoinositide signaling cascade regulates multiple aspects of cellular metabolism. Previous studies revealed that INPP5E, the inositol polyphosphate-5-phosphatase that is mutated in the developmental disorders Joubert and MORM syndromes, is essential for the function of the primary cilium and maintenance of phosphoinositide balance in nondividing cells. Here, we report that INPP5E further contributes to cellular homeostasis by regulating cell division. We found that silencing or genetic knockout of INPP5E in human and murine cells impairs the spindle assembly checkpoint, centrosome and spindle function, and maintenance of chromosomal integrity. Consistent with a cell cycle regulatory role, we found that INPP5E expression is cell cycle dependent, peaking at mitotic entry. INPP5E localizes to centrosomes, chromosomes, and kinetochores in early mitosis and shuttles to the midzone spindle at mitotic exit. Our findings identify the previously unknown, essential role of INPP5E in mitosis and prevention of aneuploidy, providing a new perspective on the function of this phosphoinositide phosphatase in health and development.
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39
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Palovcak A, Liu W, Yuan F, Zhang Y. Maintenance of genome stability by Fanconi anemia proteins. Cell Biosci 2017; 7:8. [PMID: 28239445 PMCID: PMC5320776 DOI: 10.1186/s13578-016-0134-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 12/07/2016] [Indexed: 12/20/2022] Open
Abstract
Persistent dysregulation of the DNA damage response and repair in cells causes genomic instability. The resulting genetic changes permit alterations in growth and proliferation observed in virtually all cancers. However, an unstable genome can serve as a double-edged sword by providing survival advantages in the ability to evade checkpoint signaling, but also creating vulnerabilities through dependency on alternative genomic maintenance factors. The Fanconi anemia pathway comprises an intricate network of DNA damage signaling and repair that are critical for protection against genomic instability. The importance of this pathway is underlined by the severity of the cancer predisposing syndrome Fanconi anemia which can be caused by biallelic mutations in any one of the 21 genes known thus far. This review delineates the roles of the Fanconi anemia pathway and the molecular actions of Fanconi anemia proteins in confronting replicative, oxidative, and mitotic stress.
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Affiliation(s)
- Anna Palovcak
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Wenjun Liu
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Fenghua Yuan
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
| | - Yanbin Zhang
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Building Room 311, 1011 NW 15th Street, Miami, FL 33136 USA
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40
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Jung JK, Jang SW, Kim JM. A novel role for the deubiquitinase USP1 in the control of centrosome duplication. Cell Cycle 2016; 15:584-92. [PMID: 26822809 DOI: 10.1080/15384101.2016.1138185] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Defects in the regulation of centrosome duplication lead to tumorigenesis through abnormal cell division and resulting chromosome missegregation. Therefore, maintenance of accurate centrosome number is critical for cell fate. The deubiquitinating enzyme USP1 plays important roles in DNA repair and cell differentiation. Importantly, increased levels of USP1 are detected in certain types of human cancer, but little is known about the significance of USP1 overexpression in cancer development. Here we show that Usp1 plays a novel role in regulating centrosome duplication. The ectopic expression of wild-type Usp1, but not C90S Usp1 (catalytically inactive mutant form), induced centrosome amplification. Conversely, ablation of Usp1 in mouse embryonic fibroblasts (MEFs) showed a significant delay in centrosome duplication. Moreover, Usp1-induced centrosome amplification caused abnormal mitotic spindles, chromosome missegregation and aneuploidy. Interestingly, loss of inhibitor of DNA binding protein 1 (ID1) suppressed Usp1-induced centrosome amplification. Taken together, our results strongly suggest that Usp1 is involved in the regulation of centrosome duplication, at least in part via ID1, and Usp1 may exert its oncogenic activity, partially through inducing centrosome abnormality.
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Affiliation(s)
- Jin Ki Jung
- a Department of Pharmacology , Medical Research Center for Gene Regulation, Chonnam National University Medical School , Gwangju , Korea
| | - Seok-Won Jang
- a Department of Pharmacology , Medical Research Center for Gene Regulation, Chonnam National University Medical School , Gwangju , Korea
| | - Jung Min Kim
- a Department of Pharmacology , Medical Research Center for Gene Regulation, Chonnam National University Medical School , Gwangju , Korea
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41
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Chun MJ, Hwang SK, Kim HG, Goh SH, Kim S, Lee CH. Aurora A kinase is required for activation of the Fanconi anemia/BRCA pathway upon DNA damage. FEBS Open Bio 2016; 6:782-90. [PMID: 27398318 PMCID: PMC4932458 DOI: 10.1002/2211-5463.12087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 05/09/2016] [Accepted: 05/19/2016] [Indexed: 12/23/2022] Open
Abstract
Previous studies have linked the DNA damage response to mitotic progression machinery. Mitotic kinases, such as Aurora A kinase and Polo‐like kinase, are involved in the phosphorylation of cell cycle regulators in response to DNA damage. Here, we investigated the potential involvement of Aurora A kinase in the activation of the Fanconi anemia (FA)/BRCA pathway, which participates in cellular response to DNA interstrand cross‐link lesions (ICL). Initially, we detected interactions between Aurora A kinase and FANCA protein, one of the components of the FA nuclear core complex. Silencing of Aurora A kinase led to inhibition of monoubiquitination of FANCD2 and formation of nuclear foci, the final consequences of FA/BRCA pathway activation upon ICL induction. An in vitro kinase assay revealed that Aurora A kinase phosphorylates S165 of FANCA. Moreover, this phosphorylation event was induced by the treatment with mitomycin C (MMC), an ICL‐inducing agent. In cells overexpressing S165A mutant FANCA, monoubiquitination of FANCD2 and nuclear foci formation was impaired and cellular sensitivity to MMC was enhanced. These results suggest that S165 phosphorylation by Aurora A kinase is required for proper activation of the FA/BRCA pathway in response to DNA damage.
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Affiliation(s)
- Min Jeong Chun
- Cancer Cell and Molecular Biology Branch Research Institute National Cancer Center Goyang Gyeonggi Korea
| | - Soo Kyung Hwang
- Cancer Cell and Molecular Biology Branch Research Institute National Cancer Center Goyang Gyeonggi Korea
| | - Hyoun Geun Kim
- Cancer Cell and Molecular Biology Branch Research Institute National Cancer Center Goyang Gyeonggi Korea
| | - Sung-Ho Goh
- Precision Medicine Branch Research Institute National Cancer Center Goyang Gyeonggi Korea
| | - Sunshin Kim
- Precision Medicine Branch Research Institute National Cancer Center Goyang Gyeonggi Korea
| | - Chang-Hun Lee
- Cancer Cell and Molecular Biology Branch Research Institute National Cancer Center Goyang Gyeonggi Korea
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42
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Ceccaldi R, Sarangi P, D'Andrea AD. The Fanconi anaemia pathway: new players and new functions. Nat Rev Mol Cell Biol 2016; 17:337-49. [PMID: 27145721 DOI: 10.1038/nrm.2016.48] [Citation(s) in RCA: 483] [Impact Index Per Article: 60.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The Fanconi anaemia pathway repairs DNA interstrand crosslinks (ICLs) in the genome. Our understanding of this complex pathway is still evolving, as new components continue to be identified and new biochemical systems are used to elucidate the molecular steps of repair. The Fanconi anaemia pathway uses components of other known DNA repair processes to achieve proper repair of ICLs. Moreover, Fanconi anaemia proteins have functions in genome maintenance beyond their canonical roles of repairing ICLs. Such functions include the stabilization of replication forks and the regulation of cytokinesis. Thus, Fanconi anaemia proteins are emerging as master regulators of genomic integrity that coordinate several repair processes. Here, we summarize our current understanding of the functions of the Fanconi anaemia pathway in ICL repair, together with an overview of its connections with other repair pathways and its emerging roles in genome maintenance.
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Affiliation(s)
- Raphael Ceccaldi
- Department of Radiation Oncology and Center for DNA Damage and Repair, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02215, USA
| | - Prabha Sarangi
- Department of Radiation Oncology and Center for DNA Damage and Repair, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02215, USA
| | - Alan D D'Andrea
- Department of Radiation Oncology and Center for DNA Damage and Repair, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02215, USA
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43
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Abdul-Sater Z, Cerabona D, Potchanant ES, Sun Z, Enzor R, He Y, Robertson K, Goebel WS, Nalepa G. FANCA safeguards interphase and mitosis during hematopoiesis in vivo. Exp Hematol 2015; 43:1031-1046.e12. [PMID: 26366677 PMCID: PMC4666759 DOI: 10.1016/j.exphem.2015.08.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 08/19/2015] [Indexed: 12/20/2022]
Abstract
The Fanconi anemia (FA/BRCA) signaling network controls multiple genome-housekeeping checkpoints, from interphase DNA repair to mitosis. The in vivo role of abnormal cell division in FA remains unknown. Here, we quantified the origins of genomic instability in FA patients and mice in vivo and ex vivo. We found that both mitotic errors and interphase DNA damage significantly contribute to genomic instability during FA-deficient hematopoiesis and in nonhematopoietic human and murine FA primary cells. Super-resolution microscopy coupled with functional assays revealed that FANCA shuttles to the pericentriolar material to regulate spindle assembly at mitotic entry. Loss of FA signaling rendered cells hypersensitive to spindle chemotherapeutics and allowed escape from the chemotherapy-induced spindle assembly checkpoint. In support of these findings, direct comparison of DNA crosslinking and anti-mitotic chemotherapeutics in primary FANCA-/- cells revealed genomic instability originating through divergent cell cycle checkpoint aberrations. Our data indicate that FA/BRCA signaling functions as an in vivo gatekeeper of genomic integrity throughout interphase and mitosis, which may have implications for future targeted therapies in FA and FA-deficient cancers.
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Affiliation(s)
- Zahi Abdul-Sater
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Donna Cerabona
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Elizabeth Sierra Potchanant
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana
| | - Zejin Sun
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana
| | - Rikki Enzor
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana
| | - Ying He
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana
| | - Kent Robertson
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana
| | - W Scott Goebel
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana
| | - Grzegorz Nalepa
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana; Bone Marrow Failure Program, Division of Pediatric Hematology-Oncology, Riley Hospital for Children, Indianapolis, Indiana.
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44
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Collins JK, Lane SIR, Merriman JA, Jones KT. DNA damage induces a meiotic arrest in mouse oocytes mediated by the spindle assembly checkpoint. Nat Commun 2015; 6:8553. [PMID: 26522232 PMCID: PMC4659839 DOI: 10.1038/ncomms9553] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 09/03/2015] [Indexed: 12/12/2022] Open
Abstract
Extensive damage to maternal DNA during meiosis causes infertility, birth defects and abortions. However, it is unknown if fully grown oocytes have a mechanism to prevent the creation of DNA-damaged embryos. Here we show that DNA damage activates a pathway involving the spindle assembly checkpoint (SAC) in response to chemically induced double strand breaks, UVB and ionizing radiation. DNA damage can occur either before or after nuclear envelope breakdown, and provides an effective block to anaphase-promoting complex activity, and consequently the formation of mature eggs. This contrasts with somatic cells, where DNA damage fails to affect mitotic progression. However, it uncovers a second function for the meiotic SAC, which in the context of detecting microtubule–kinetochore errors has hitherto been labelled as weak or ineffectual in mammalian oocytes. We propose that its essential role in the detection of DNA damage sheds new light on its biological purpose in mammalian female meiosis. Damage to maternal DNA during meosis can lead to birth defects, abortion or infertility. Here, the authors show that the spindle assembly checkpoint can respond to DNA damage in oocytes by blocking anaphase promoting complex activity and arresting oocytes in meiosis I.
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Affiliation(s)
- Josie K Collins
- Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton, Southampton SO17 1BJ, UK
| | - Simon I R Lane
- Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton, Southampton SO17 1BJ, UK
| | - Julie A Merriman
- Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton, Southampton SO17 1BJ, UK
| | - Keith T Jones
- Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton, Southampton SO17 1BJ, UK
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45
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Magron A, Elowe S, Carreau M. The Fanconi Anemia C Protein Binds to and Regulates Stathmin-1 Phosphorylation. PLoS One 2015; 10:e0140612. [PMID: 26466335 PMCID: PMC4605623 DOI: 10.1371/journal.pone.0140612] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 09/27/2015] [Indexed: 11/18/2022] Open
Abstract
The Fanconi anemia (FA) proteins are involved in a signaling network that assures the safeguard of chromosomes. To understand the function of FA proteins in cellular division events, we investigated the interaction between Stathmin-1 (STMN1) and the FA group C (FANCC) protein. STMN1 is a ubiquitous cytosolic protein that regulates microtubule dynamics. STMN1 activities are regulated through phosphorylation-dephosphorylation mechanisms that control assembly of the mitotic spindle, and dysregulation of STMN1 phosphorylation is associated with mitotic aberrancies leading to chromosome instability and cancer progression. Using different biochemical approaches, we showed that FANCC interacts and co-localizes with STMN1 at centrosomes during mitosis. We also showed that FANCC is required for STMN1 phosphorylation, as mutations in FANCC reduced serine 16- and 38-phosphorylated forms of STMN1. Phosphorylation of STMN1 at serine 16 is likely an event dependent on a functional FA pathway, as it is reduced in FANCA- and FANCD2-mutant cells. Furthermore, FA-mutant cells exhibited mitotic spindle anomalies such as supernumerary centrosomes and shorter mitotic spindles. These results suggest that FA proteins participate in the regulation of cellular division via the microtubule-associated protein STMN1.
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Affiliation(s)
- Audrey Magron
- CHU de Québec, CHUL Research Center, Québec, QC, Canada
| | - Sabine Elowe
- Department of Pediatrics, Université Laval, Québec, QC, Canada
- CHU de Québec, CHUL Research Center, Québec, QC, Canada
| | - Madeleine Carreau
- Department of Pediatrics, Université Laval, Québec, QC, Canada
- CHU de Québec, CHUL Research Center, Québec, QC, Canada
- * E-mail:
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Ji Z, McHale CM, Bersonda J, Tung J, Smith MT, Zhang L. Induction of centrosome amplification by formaldehyde, but not hydroquinone, in human lymphoblastoid TK6 cells. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2015; 56:535-44. [PMID: 25821186 PMCID: PMC6529207 DOI: 10.1002/em.21947] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 02/20/2015] [Indexed: 05/08/2023]
Abstract
Benzene and formaldehyde (FA) are important industrial chemicals and environmental pollutants that cause leukemia by inducing DNA damage and chromosome aberrations in hematopoietic stem cells (HSC), the target cells for leukemia. Our previous studies showed that workers exposed to benzene and FA exhibit increased levels of aneuploidy in their blood cells. As centrosome amplification is a common phenomenon in human cancers, including leukemia, and is associated with aneuploidy in carcinogenesis, we hypothesized that benzene and FA would induce centrosome amplification in vitro. We treated human lymphoblastoid TK6 cells with a range of concentrations of hydroquinone (HQ, a benzene metabolite) or FA for 24 h, allowed the cells to recover in fresh medium for 24 h, and examined centrosome amplification; chromosomal gain, loss, and breakage; and cytotoxicity. We included melphalan and etoposide, chemotherapeutic drugs that cause therapy-related acute myeloid leukemia and that have been shown to induce centrosome amplification as well as chromosomal aneuploidy and breakage, as positive controls. Melphalan and etoposide induced centrosome amplification and chromosome gain and breakage in a dose-dependent manner, at cytotoxic concentrations. HQ, though cytotoxic, did not induce centrosome amplification or any chromosomal aberration. FA-induced centrosome amplification and cytotoxicity, but did not induce chromosomal aberrations. Our data suggest, for the first time, that centrosome amplification is a potential mechanism underlying FA-induced leukemogenesis, but not benzene-induced leukemogenesis, as mediated through HQ. Future studies are needed to delineate the mechanisms of centrosome amplification and its association with DNA damage, chromosomal aneuploidy and carcinogenesis, following exposure to FA.
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Affiliation(s)
- Zhiying Ji
- Division of Environmental Health Sciences, Genes and Environment Laboratory, School of Public Health, University of California, Berkeley, California
| | - Cliona M. McHale
- Division of Environmental Health Sciences, Genes and Environment Laboratory, School of Public Health, University of California, Berkeley, California
| | - Jessica Bersonda
- Division of Environmental Health Sciences, Genes and Environment Laboratory, School of Public Health, University of California, Berkeley, California
| | - Judy Tung
- Division of Environmental Health Sciences, Genes and Environment Laboratory, School of Public Health, University of California, Berkeley, California
| | - Martyn T. Smith
- Division of Environmental Health Sciences, Genes and Environment Laboratory, School of Public Health, University of California, Berkeley, California
| | - Luoping Zhang
- Division of Environmental Health Sciences, Genes and Environment Laboratory, School of Public Health, University of California, Berkeley, California
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Lawrence KS, Engebrecht J. The spindle assembly checkpoint: More than just keeping track of the spindle. TRENDS IN CELL & MOLECULAR BIOLOGY 2015; 10:141-150. [PMID: 27667906 PMCID: PMC5033511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Genome stability is essential for cell proliferation and survival. Consequently, genome integrity is monitored by two major checkpoints, the DNA damage response (DDR) and the spindle assembly checkpoint (SAC). The DDR monitors DNA lesions in G1, S, and G2 stages of the cell cycle and the SAC ensures proper chromosome segregation in M phase. There have been extensive studies characterizing the roles of these checkpoints in response to the processes for which they are named; however, emerging evidence suggests significant crosstalk between the checkpoints. Here we review recent findings demonstrating overlapping roles for the SAC and DDR in metaphase, and in response to DNA damage throughout the cell cycle.
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Affiliation(s)
- Katherine S. Lawrence
- Department of Molecular and Cellular Biology, University of California Davis, One Shields Ave, Davis, California 95616, USA
| | - JoAnne Engebrecht
- Department of Molecular and Cellular Biology, University of California Davis, One Shields Ave, Davis, California 95616, USA
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48
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Brosh RM, Cantor SB. Molecular and cellular functions of the FANCJ DNA helicase defective in cancer and in Fanconi anemia. Front Genet 2014; 5:372. [PMID: 25374583 PMCID: PMC4204437 DOI: 10.3389/fgene.2014.00372] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 10/05/2014] [Indexed: 01/11/2023] Open
Abstract
The FANCJ DNA helicase is mutated in hereditary breast and ovarian cancer as well as the progressive bone marrow failure disorder Fanconi anemia (FA). FANCJ is linked to cancer suppression and DNA double strand break repair through its direct interaction with the hereditary breast cancer associated gene product, BRCA1. FANCJ also operates in the FA pathway of interstrand cross-link repair and contributes to homologous recombination. FANCJ collaborates with a number of DNA metabolizing proteins implicated in DNA damage detection and repair, and plays an important role in cell cycle checkpoint control. In addition to its role in the classical FA pathway, FANCJ is believed to have other functions that are centered on alleviating replication stress. FANCJ resolves G-quadruplex (G4) DNA structures that are known to affect cellular replication and transcription, and potentially play a role in the preservation and functionality of chromosomal structures such as telomeres. Recent studies suggest that FANCJ helps to maintain chromatin structure and preserve epigenetic stability by facilitating smooth progression of the replication fork when it encounters DNA damage or an alternate DNA structure such as a G4. Ongoing studies suggest a prominent but still not well-understood role of FANCJ in transcriptional regulation, chromosomal structure and function, and DNA damage repair to maintain genomic stability. This review will synthesize our current understanding of the molecular and cellular functions of FANCJ that are critical for chromosomal integrity.
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Affiliation(s)
- Robert M Brosh
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health Baltimore, MD, USA
| | - Sharon B Cantor
- Department of Cancer Biology, University of Massachusetts Medical School - UMASS Memorial Cancer Center Worcester, MA, USA
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Abstract
Fanconi anemia (FA) represents a paradigm of rare genetic diseases, where the quest for cause and cure has led to seminal discoveries in cancer biology. Although a total of 16 FA genes have been identified thus far, the biochemical function of many of the FA proteins remains to be elucidated. FA is rare, yet the fact that 5 FA genes are in fact familial breast cancer genes and FA gene mutations are found frequently in sporadic cancers suggest wider applicability in hematopoiesis and oncology. Establishing the interaction network involving the FA proteins and their associated partners has revealed an intersection of FA with several DNA repair pathways, including homologous recombination, DNA mismatch repair, nucleotide excision repair, and translesion DNA synthesis. Importantly, recent studies have shown a major involvement of the FA pathway in the tolerance of reactive aldehydes. Moreover, despite improved outcomes in stem cell transplantation in the treatment of FA, many challenges remain in patient care.
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50
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Mouw KW, D'Andrea AD. Crosstalk between the nucleotide excision repair and Fanconi anemia/BRCA pathways. DNA Repair (Amst) 2014; 19:130-4. [PMID: 24768451 DOI: 10.1016/j.dnarep.2014.03.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Cells have evolved multiple distinct DNA repair pathways to efficiently correct a variety of genotoxic lesions, and decades of study have led to an improved understanding of the mechanisms and regulation of these individual pathways. However, there is now an increasing appreciation that extensive crosstalk exists among DNA repair pathways and that this crosstalk serves to increase the efficiency and diversity of response to damage. The Fanconi anemia (FA)/BRCA and nucleotide excision repair (NER) pathways have been shown to share common factors, and often work in concert to repair damage. Genomic studies are now revealing that many tumors harbor somatic mutations in FA/BRCA or NER genes, which may provide a growth advantage, but which could also be exploited therapeutically.
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Affiliation(s)
- Kent W Mouw
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States; Harvard Radiation Oncology Program, Boston, MA, United States
| | - Alan D D'Andrea
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States.
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