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Santos D, Mahtab M, Boavida A, Pisani FM. Role of the DDX11 DNA Helicase in Warsaw Breakage Syndrome Etiology. Int J Mol Sci 2021; 22:2308. [PMID: 33669056 PMCID: PMC7956524 DOI: 10.3390/ijms22052308] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/13/2021] [Accepted: 02/23/2021] [Indexed: 12/23/2022] Open
Abstract
Warsaw breakage syndrome (WABS) is a genetic disorder characterized by sister chromatid cohesion defects, growth retardation, microcephaly, hearing loss and other variable clinical manifestations. WABS is due to biallelic mutations of the gene coding for the super-family 2 DNA helicase DDX11/ChlR1, orthologous to the yeast chromosome loss protein 1 (Chl1). WABS is classified in the group of "cohesinopathies", rare hereditary diseases that are caused by mutations in genes coding for subunits of the cohesin complex or protein factors having regulatory roles in the sister chromatid cohesion process. In fact, among the cohesion regulators, an important player is DDX11, which is believed to be important for the functional coupling of DNA synthesis and cohesion establishment at the replication forks. Here, we will review what is known about the molecular and cellular functions of human DDX11 and its role in WABS etiopathogenesis, even in light of recent findings on the role of cohesin and its regulator network in promoting chromatin loop formation and regulating chromatin spatial organization.
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Affiliation(s)
- Diana Santos
- Istituto di Biochimica e Biologia Cellulare, Consiglio Nazionale delle Ricerche, Via P. Castellino 111, 80131 Naples, Italy; (D.S.); (M.M.); (A.B.)
| | - Mohammad Mahtab
- Istituto di Biochimica e Biologia Cellulare, Consiglio Nazionale delle Ricerche, Via P. Castellino 111, 80131 Naples, Italy; (D.S.); (M.M.); (A.B.)
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania Luigi Vanvitelli, Via Vivaldi 43, 81100 Caserta, Italy
| | - Ana Boavida
- Istituto di Biochimica e Biologia Cellulare, Consiglio Nazionale delle Ricerche, Via P. Castellino 111, 80131 Naples, Italy; (D.S.); (M.M.); (A.B.)
| | - Francesca M. Pisani
- Istituto di Biochimica e Biologia Cellulare, Consiglio Nazionale delle Ricerche, Via P. Castellino 111, 80131 Naples, Italy; (D.S.); (M.M.); (A.B.)
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Kagaya K, Noma-Takayasu N, Yamamoto I, Tashiro S, Ishikawa F, Hayashi MT. Chromosome instability induced by a single defined sister chromatid fusion. Life Sci Alliance 2020; 3:e202000911. [PMID: 33106324 PMCID: PMC7652394 DOI: 10.26508/lsa.202000911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022] Open
Abstract
Chromosome fusion is a frequent intermediate in oncogenic chromosome rearrangements and has been proposed to cause multiple tumor-driving abnormalities. In conventional experimental systems, however, these abnormalities were often induced by randomly induced chromosome fusions involving multiple different chromosomes. It was therefore not well understood whether a single defined type of chromosome fusion, which is reminiscent of a sporadic fusion in tumor cells, has the potential to cause chromosome instabilities. Here, we developed a human cell-based sister chromatid fusion visualization system (FuVis), in which a single defined sister chromatid fusion is induced by CRISPR/Cas9 concomitantly with mCitrine expression. The fused chromosome subsequently developed extra-acentric chromosomes, including chromosome scattering, indicative of chromothripsis. Live-cell imaging and statistical modeling indicated that sister chromatid fusion generated micronuclei (MN) in the first few cell cycles and that cells with MN tend to display cell cycle abnormalities. The powerful FuVis system thus demonstrates that even a single sporadic sister chromatid fusion can induce chromosome instability and destabilize the cell cycle through MN formation.
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Affiliation(s)
- Katsushi Kagaya
- The Hakubi Center for Advanced Research, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
- Seto Marine Biological Laboratory, Field Science, Education and Research Center, Kyoto University, Wakayama, Japan
| | - Naoto Noma-Takayasu
- Department of Gene Mechanisms, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
| | - Io Yamamoto
- Department of Gene Mechanisms, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
| | - Sanki Tashiro
- Department of Gene Mechanisms, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
| | - Fuyuki Ishikawa
- Department of Gene Mechanisms, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
| | - Makoto T Hayashi
- The Hakubi Center for Advanced Research, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
- Department of Gene Mechanisms, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Kyoto, Japan
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Matsuura S, Matsumoto Y, Morishima KI, Izumi H, Matsumoto H, Ito E, Tsutsui K, Kobayashi J, Tauchi H, Kajiwara Y, Hama S, Kurisu K, Tahara H, Oshimura M, Komatsu K, Ikeuchi T, Kajii T. Monoallelic BUB1B mutations and defective mitotic-spindle checkpoint in seven families with premature chromatid separation (PCS) syndrome. Am J Med Genet A 2006; 140:358-67. [PMID: 16411201 DOI: 10.1002/ajmg.a.31069] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Cancer-prone syndrome of premature chromatid separation (PCS syndrome) with mosaic variegated aneuploidy (MVA) is a rare autosomal recessive disorder characterized by growth retardation, microcephaly, childhood cancer, premature chromatid separation of all chromosomes, and mosaicism for various trisomies and monosomies. Biallelic BUB1B mutations were recently reported in five of eight families with MVA syndrome (probably identical to the PCS syndrome). We here describe molecular analysis of BUB1B (encoding BubR1) in seven Japanese families with the PCS syndrome. Monoallelic BUB1B mutations were found in all seven families studied: a single-base deletion (1833delT) in four families; and a splice site mutation, a nonsense mutation, and a missense mutation in one family each. Transcripts derived from the patients with the 1833delT mutation and the splice site mutation were significantly reduced, probably due to nonsense-mediated mRNA decay. No mutation was found in the second alleles in the seven families studied, but RT-PCR of BUB1B and Western blot analysis of BubR1 indicated a modest decrease of their transcripts. BubR1 in the cells from two patients showed both reduced protein expression and diminished kinetochore localization. Their expression level of p55cdc, a specific activator of anaphase-promoting complex, was normal but its kinetochore association was abolished. Microcell-mediated transfer of chromosome 15 (containing BUB1B) into the cells restored normal BubR1 levels, kinetochore localization of p55cdc, and the normal responses to colcemid treatment. These findings indicate the involvement of BubR1 in p55cdc-mediated mitotic checkpoint signaling, and suggest that >50% decrease in expression (or activity) of BubR1 is involved in the PCS syndrome.
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Affiliation(s)
- Shinya Matsuura
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan.
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Stephan G, Kampen WU, Nosske D, Roos H. Chromosomal aberrations in peripheral lymphocytes of patients treated with radium-224 for ankylosing spondylitis. Radiat Environ Biophys 2005; 44:23-28. [PMID: 15818481 DOI: 10.1007/s00411-005-0275-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2005] [Accepted: 02/03/2005] [Indexed: 05/24/2023]
Abstract
The aim of this study was to investigate the in vivo frequency of chromosomal aberrations (primarily dicentric chromosomes and chromatid breaks) potentially induced by (224)Ra alpha-radiation in peripheral lymphocytes. The study was designed to serve as a cytogenetic analysis along with the therapeutic procedure of ankylosing spondylitis patients who were undergoing a treatment with (224)Ra-chloride. The total administered activity was 10 MBq, and the treatment followed a schedule of 10 i.v. injections per week, each with a dose of 1 MBq of (224)Ra. The calculation of absorbed doses delivered to the blood used the models suggested by the ICRP and yielded a value of 4.7 mGy/MBq. The frequency of chromosomal aberrations observed during the course of therapy was related to the blood dose. The frequency of dicentric chromosomes induced in vivo was found to agree well with the corresponding value of dicentrics induced in vitro. However--given that peripheral lymphocytes are in the cell cycle's G(0) stage--an unexpected increase with dose in the yield of chromatid breaks was observed, with about 95% of them occurring in cells without any other chromosome-type aberrations. Reasons for the production of chromatid breaks are discussed.
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Affiliation(s)
- G Stephan
- Department for Radiation Protection and Health, Federal Office for Radiation Protection, Ingolstaedter Landstrasse 1, 85764 Oberschleissheim, Germany.
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Wu X, Yu H, Makan N, Spitz MR. Assessment of insulin-like growth factors and mutagen sensitivity as predictors of lung cancer risk. Methods Mol Med 2003; 75:279-87. [PMID: 12407747 DOI: 10.1385/1-59259-324-0:279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Affiliation(s)
- Xifeng Wu
- Department of Epidemiology, University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
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Abstract
The characteristics of spontaneous and radiation-induced chromosome instability were determined in each of 50 individual clones isolated from control populations of human lymphoblasts (WTK1), as well as from populations of these cells previously exposed to two different types of ionizing radiation, Fe-56 and Cs-137. The types of chromosome instability did not appear to change in clones surviving radiation exposure. Aneuploidy, polyploidy, chromosome dicentrics and translocations, and chromatid breaks and gaps were found in both control and irradiated clones. The primary effect of radiation exposure was to increase the number of cells within any one clone that had chromosome alterations. Chromosome instability was associated with telomere shortening and elevated levels of apoptosis. The results suggest that the proximal cause of chromosome instability is telomere shortening.
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Affiliation(s)
- J L Schwartz
- Department of Radiation Oncology, University of Washington, Seattle, WA, USA.
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Matsuura S, Ito E, Tauchi H, Komatsu K, Ikeuchi T, Kajii T. Chromosomal instability syndrome of total premature chromatid separation with mosaic variegated aneuploidy is defective in mitotic-spindle checkpoint. Am J Hum Genet 2000; 67:483-6. [PMID: 10877982 PMCID: PMC1287192 DOI: 10.1086/303022] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2000] [Accepted: 06/20/2000] [Indexed: 11/03/2022] Open
Abstract
Skin fibroblast cells from two unrelated male infants with a chromosome-instability disorder were analyzed for their response to colcemid-induced mitotic-spindle checkpoint. The infants both had severe growth and developmental retardation, microcephaly, and Dandy-Walker anomaly; developed Wilms tumor; and one died at age 5 mo, the other at age 3 years. Their metaphases had total premature chromatid separation (total PCS) and mosaic variegated aneuploidy. Mitotic-index analysis of their cells showed the absence of mitotic block after the treatment with colcemid, a mitotic-spindle inhibitor. Bromodeoxyuridine-incorporation measurement and microscopic analysis indicated that cells treated with colcemid entered G1 and S phases without sister-chromatid segregation and cytokinesis. Preparations of short-term colcemid-treated cells contained those cells with chromosomes in total PCS and all or clusters of them encapsulated by nuclear membranes. Cell-cycle studies demonstrated the accumulation of cells with a DNA content of 8C. These findings indicate that the infants' cells were insensitive to the colcemid-induced mitotic-spindle checkpoint.
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Affiliation(s)
- Shinya Matsuura
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima; and Division of Genetics, Medical Research Institute, Tokyo Medical and Dental University, and Hachioji, Tokyo
| | - Emi Ito
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima; and Division of Genetics, Medical Research Institute, Tokyo Medical and Dental University, and Hachioji, Tokyo
| | - Hiroshi Tauchi
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima; and Division of Genetics, Medical Research Institute, Tokyo Medical and Dental University, and Hachioji, Tokyo
| | - Kenshi Komatsu
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima; and Division of Genetics, Medical Research Institute, Tokyo Medical and Dental University, and Hachioji, Tokyo
| | - Tatsuro Ikeuchi
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima; and Division of Genetics, Medical Research Institute, Tokyo Medical and Dental University, and Hachioji, Tokyo
| | - Tadashi Kajii
- Department of Radiation Biology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima; and Division of Genetics, Medical Research Institute, Tokyo Medical and Dental University, and Hachioji, Tokyo
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Kajii T, Kawai T, Takumi T, Misu H, Mabuchi O, Takahashi Y, Tachino M, Nihei F, Ikeuchi T. Mosaic variegated aneuploidy with multiple congenital abnormalities: homozygosity for total premature chromatid separation trait. Am J Med Genet 1998; 78:245-9. [PMID: 9677059 DOI: 10.1002/(sici)1096-8628(19980707)78:3<245::aid-ajmg7>3.0.co;2-o] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Separation of chromatids of all mitotic chromosomes, here called total premature chromatid separation (total PCS), was observed in 67 to 87.5% of repeated cultures of peripheral blood lymphocytes from two unrelated infants. Also noted was a variety of mosaic aneuploidies, especially trisomies, double trisomies, and monosomies, to be called mosaic variegated aneuploidy. The infants both showed severe pre- and postnatal growth retardation, profound developmental retardation, uncontrollable seizures, severe microcephaly, hypoplasia of the brain, Dandy-Walker anomaly, abnormal facial appearance, and bilateral cataract. Patient 1, a girl, in addition had a cleft palate, multiple renal cysts, and Wilms tumor of the left kidney. Whereas patient 2, a boy, had ambiguous external genitalia. They both died within 2 years of age. In the two families of the infants, their parents and three other members showed 2.5 to 47% lymphocytes with total PCS but without mosaic variegated aneuploidy or phenotypic abnormalities. Another 10 relatives studied showed 0 to 1% cells with total PCS and so were judged negative for the total PCS trait. It was deduced that the total PCS trait in the two families was transmitted in an autosomal-dominant fashion, and the two affected infants were homozygous for the trait.
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Affiliation(s)
- T Kajii
- Division of Pediatrics, Nishiwaki Municipal Hospital, Nishiwaki City, Japan
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Verlinsky Y, Cieslak J, Ivakhnenko V, Evsikov S, Wolf G, White M, Lifchez A, Kaplan B, Moise J, Valle J, Ginsberg N, Strom C, Kuliev A. Preimplantation diagnosis of common aneuploidies by the first- and second-polar body FISH analysis. J Assist Reprod Genet 1998; 15:285-9. [PMID: 9604761 PMCID: PMC3454744 DOI: 10.1023/a:1022592427128] [Citation(s) in RCA: 92] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
PURPOSE A low pregnancy rate in in vitro fertilization (IVF) patients of advanced maternal age may be caused by aneuploidies originating from non disjunction in the first or second meiotic divisions. We introduced genetic testing of oocytes by sampling and fluorescent in situ hybridization (FISH) analysis of the first and second polar bodies, to avoid fertilization and transfer of aneuploid oocytes in IVF patients of advanced maternal age. METHODS Three hundred and sixty-three IVF patients 34 years and older participated in the study. Using micromanipulation procedures, the first and second polar bodies were removed following their extrusion from the oocytes and studied by FISH, using probes specific for chromosomes 13, 18, and 21 to detect oocytes with common aneuploidies. RESULTS Of a total of 538 IVF cycles, 3250 oocytes were available for FISH analysis, with conclusive FISH results in 2742 oocytes (84.3%). As many as 1102 (40%) of oocytes were predicted to be aneuploid and not transferred. Of 1640 embryos predicted to be normal, 1145 were transferred in 467 treatment cycles, resulting in 107 pregnancies (23%), from which 67 healthy children have been born, 32 pregnancies spontaneously aborted, and 15 pregnancies are ongoing after being confirmed normal by prenatal diagnosis. CONCLUSIONS Preimplantation diagnosis by first- and second-polar body FISH analysis allows us to avoid the age-related risk of common aneuploidies in IVF patients of advanced maternal age.
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Affiliation(s)
- Y Verlinsky
- Reproductive Genetics Institute, Chicago, Illinois 60657, USA
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Harvey AN, Costa ND, Savage JR, Thacker J. Chromosomal aberrations induced by defined DNA double-strand breaks: the origin of achromatic lesions. Somat Cell Mol Genet 1997; 23:211-9. [PMID: 9330632 DOI: 10.1007/bf02721372] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The mechanisms of formation of chromosomal aberrations are poorly understood, despite the common use of aberrations as a measure of the genetic effects of physical and chemical agents. We have used restriction endonucleases to introduce defined DNA double-strand breaks into mammalian cells, and measured chromosomal aberration formation relative to the activity of the endonuclease. The endonucleases AluI and Sau3AI remain active for a relatively short time under simulated cellular conditions and induce achromatic lesions ('gaps') in chromatids only within the first hour or two following treatment. In contrast, the endonuclease MboI (an isoschizomer of Sau3AI) is active for an extremely long time and continues to produce chromatid gaps during the whole 12 hr sampling period. This observation strongly suggests that the aberrations classified as gaps are a manifestation of unrejoined DNA double-strand breaks. The formation of gaps may relate to the opportunities for repair of DNA breaks in relation to cell-cycle position. It is more difficult to relate the formation of structural chromatid aberrations to the endonuclease activity, although at relatively low concentrations all 3 endonucleases gave similar levels of structural aberrations.
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Affiliation(s)
- A N Harvey
- Chromosome Damage Group, MRC Radiation and Genome Stability Unit, Harwell, Oxfordshire, UK
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Cervenka J, Tsuchiya H, Ishiki T, Suzuki M, Mori H. Seckel's dwarfism: analysis of chromosome breakage and sister chromatid exchanges. Am J Dis Child 1979; 133:555-6. [PMID: 433882 DOI: 10.1001/archpedi.1979.02130050099023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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