Deficiency of the multi-copy mouse Y gene Sly causes sperm DNA damage and abnormal chromatin packaging | Journal of Cell Science
This aberration rate reflects the intensity of DNA damage. As chromosome aberrations we counted breaks, fragments, ring ... we also calculated the incidence of chromosome aberrations, i.e. aberration rate, which represents the total number of ... S3A), oocytes with normal paternal chromosomes (supplementary material Fig. S3B), and aberration rate (supplementary material ... Sperm chromosome analysis. Chromosome preparation and analysis were performed as described by us before (Yamauchi et al., 2010 ...http://jcs.biologists.org/content/126/3/803
Dose assessment by quantification of chromosome aberrations and micronuclei in peripheral blood lymphocytes from patients...
Chromosome aberrations. Table 1 presents the number of unstable CA (dicentrics and fragments) in lymphocytes, as well as their ... Scoring of unstable chromosome aberrations (dicentrics, rings and fragments) and micronuclei in circulating lymphocytes are the ... Dose assessment by quantification of chromosome aberrations and micronuclei in peripheral blood lymphocytes from patients ... For the chromosome aberration studies, 0.3 mL of the blood samples were cultured for 48 h, in a humidified atmosphere ...http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572005000300021&lng=en&nrm=iso&tlng=en
Dr Neil Cherry - Evidence That Electromagnetic Radiation is Genotoxic - 2002 | Gel Electrophoresis | Radio Frequency
... increases is the frequency of chromosome aberrations (including dicentric and acentric fragments) and micronuclei in human ... The results were consistent across two assays, a micronucleus test and chromosome aberration assay. Chromosome aberrations and ... Figure 19: The relation of total chromosome aberrations. micronuclei and specific chromosome aberrations for each cell in human ... 22 chromosomes and establishes EMR induced chromosome aberrations as a biological effect. For a neoplastic cell to survive it ...https://www.scribd.com/document/18762027/Dr-Neil-Cherry-Evidence-That-Electromagnetic-Radiation-is-Genotoxic-2002
Okazaki Fragments - Biological Function | Technology Trends
... "chromosome aberrations". Severe defects of Okazaki fragment maturation may halt DNA replication and induce cell death. However ... Okazaki Fragments - Biological Function. Biological Function. Although synthesis of the lagging strand involves only half the ... Processing of Okazaki fragments is therefore very common and crucial for DNA replication and cell proliferation. ... During this process, RNA and DNA primers are removed, allowing the Okazaki fragments to attach to the lagging DNA strand. While ...http://www.primidi.com/okazaki_fragments/biological_function
... higher incidence of chromosome aberrations (acentric fragments and chromatid exchanges) than in control individuals. Annual ...http://netbiologen.dk/artikel/beskidtedusin.htm
Multiple structural aberrations and physical mapping of rye chromosome 2R introgressed into wheat | Springer for Research &...
Multiple structural aberrations produced by chromosome breakage and reunion not only provide new germplasm for enriching ... Ma ZQ, Sorrells ME (1995) Genetic analysis of fertility restoration in wheat using restriction fragment length polymorphisms. ... Potential use of these stable aberrations and the colinearity of chromosome 2R with corresponding chromosomes in the other ... gametocidal chromosome action and irradiation. A total of 88 chromosome 2R aberrations were identified in 65 plants. From the ...https://rd.springer.com/article/10.1007/s11032-015-0333-2
Okazaki fragments - Wikipedia
... "chromosome aberrations". Severe defects of Okazaki fragment maturation may halt DNA replication and induce cell death. However ... Okazaki fragments are short, newly synthesized DNA fragments that are formed on the lagging template strand during DNA ... Prokaryotes have Okazaki fragments that are quite longer than those of eukaryotes. Eukaryotes typically have Okazaki fragments ... Okazaki fragments that are not ligated could cause double-strand-breaks, which cleaves the DNA. Since only a small number of ...https://en.wikipedia.org/wiki/Okazaki_fragments
Primed in situ labeling (PRINS) | Springer for Research & Development
... for identification of chromosome aberrations. In this article, we present the detailed... ... PRINS oligonucleotide primers in situ hybridization chromosome aberrations This is a preview of subscription content, log in to ... In this article, we present the detailed protocols for detection of repeat sequences using oligonucleotides or fragments of ... Willard, H. F. and Waye, J. S. (1987) Hierarchical order in chromosome-specific human alpha satellite DNA.TIG 3, 192-198.Google ...https://rd.springer.com/article/10.1007/BF02740774
Protective Effects of Hydrogen against Low-Dose Long-Term Radiation-Induced Damage to the Behavioral Performances,...
Chromosome aberrations observed in bone marrow metaphases were scored as follows: (1) chromosome- and chromatid-type fragments ... Chromosome Aberration. The bone marrow chromosome aberration (CA) investigation was conducted as reported previously with minor ... chromosome deletion, and (h) chromosomes with exchanged fragments. Arrows indicate specific aberrations. Pictures were taken at ... chromosome fragments, (e) chromosome with dicentrics and the accompanying fragments, (f) Robertsonian translocation, (g) ...https://www.hindawi.com/journals/omcl/2016/1947819/
Results of chromosome aberrations after Computed Tomography (CT) in children | Radioprotection
20,000 analysed cells it was found that after CT examination the mean frequencies of dicentrics and excess acentric fragments ... Results of chromosome aberrations after Computed Tomography (CT) in children. U. Oestreicher1, G. Stephan1, K. Schneider2, W. ... it became obvious that the observed increase in chromosome aberrations was mainly contributed by the younger age group. In this ... Chromosome analysis was carried out in lymphocytes by fluorescence plus Giemsa (FPG) staining exclusively in metaphases of the ...https://www.radioprotection.org/articles/radiopro/abs/2008/05/000066/000066.html
A MODEL OF RADIATION-INDUCED CELL KILLING: INSIGHTS INTO MECHANISMS AND APPLICATIONS FOR HADRONTHERAPY | IRIS UNIPV
... it was assumed that chromosome aberrations derive from µm-scale mis-rejoining of chromatin fragments, which in turn originate ... and that these lesions lead to chromosome aberrations via mis-rejoining of chromatin fragments at the µm-scale. Following ... it was assumed that chromosome aberrations derive from µm-scale mis-rejoining of chromatin fragments, which in turn originate ... and that these lesions lead to chromosome aberrations via mis-rejoining of chromatin fragments at the µm-scale. Following ...https://iris.unipv.it/handle/11571/721421
Iso-, ring- or Y-chromosome fragments can also occur. There are around 1800 girls/women with Turner syndrome in Sweden (female ... Turner syndrome is the most common sex chromosome aberration in women. The prevalence is 1/2500 born girls. Turner syndrome is ... If a Y-fragment is present gonadectomy is recommended due to the risk for gonadoblastoma. Pregnancy induction and possible ... Mean age at diagnosis is approximately 10 years for monosomy 45,X, iso-, ring- and Y-fragment and 18 years for mosaicism 45,X/ ...https://www.internetmedicin.se/page.aspx?id=6178
DNA methylation signature in peripheral blood reveals distinct characteristics of human X chromosome numerical aberrations |...
In order to understand the effect of abnormal numbers of X chromosome on the methylome and its correlation to the variable ... The presented data clearly show that gain or loss of an X chromosome results in different epigenetic effects, which are not ... DNA methylation changes were widespread on all autosomal chromosomes in 45,X and in 47,XXY individuals, with Turner individuals ... Abnormal sex chromosome numbers in humans are observed in Turner (45,X) and Klinefelter (47,XXY) syndromes. Both syndromes are ...https://clinicalepigeneticsjournal.biomedcentral.com/articles/10.1186/s13148-015-0112-2
2012 Landes Bioscience. Do not distribute. - PDF
... and cells with chromosome breaks, acentric fragments and other aberrations were evaluated on 1,000x magnification with a light ... The total incidence of chromosome aberrations (ChA) in bone marrow cells and fragments was increased in 26-mo-old treated and ... Chromosome aberrations in bone marrow cells were studied by the modified Ford method. 51 Mice were sacrificed with ether ... Table 2. The incidence of chromosome aberrations (ChA) in bone marrow cells in female 129/Sv mice treated or non-treated with ...http://docplayer.net/246628-2012-landes-bioscience-do-not-distribute.html
Urinary Naphthol Metabolites and Chromosomal Aberrations in 5-Year-Old Children | Cancer Epidemiology, Biomarkers & Prevention
... and unidentified green chromosomes were presumed to be composed of either 3, 5, or 6p. Fragments without centromeres and ... Chromosome aberration scoring by WCP-FISH. Aberrations are scored in T lymphocytes that have a half-life of up to a year in ... Rapid human chromosome aberration analysis using fluorescence in situ hybridization. Int J Radiat Biol 1989;56:35-44. ... and aberration type. The aberration and translocation frequencies were calculated from the number of chromosomal aberrations ...http://cebp.aacrjournals.org/content/21/7/1191.long
Array-CGH and multipoint FISH to decode complex chromosomal rearrangements | BMC Genomics | Full Text
Each copy number change on the array profile could be related to a specific chromosome aberration detected by metaphase mpFISH ... Totally 53 chr3 fragments were identified having copy numbers from 0 to 14. MpFISH results from the BAC/PAC clones and array- ... In most cases, the changes in copy number seen on array-CGH profiles reflected cumulative chromosome rearrangements. Most of ... for their ability to characterize complex rearrangements on human chromosome 3 (chr3) in tumour cell lines. We have used 179 ...https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-7-330
Sirt1 ablation promotes stress-induced loss of epigenetic and genomic hematopoietic stem and progenitor cell maintenance | JEM
... chromosome fragments, gaps, and breaks (Fig. 5 F). The frequency of individual aberrations observed in cultures from three ... The frequency of total metaphases containing DNA aberrations is shown. DAPI images depict examples of individual aberrations. ... fragments, dicentric chromosomes, centromere fucions/robertsonian translocations, and radials. Same scoring standard were ... Metaphase aberration assay.. Metaphase spreads were prepared and analyzed as described previously (Biswas et al., 2011). In ...http://jem.rupress.org/content/210/5/987
Evaluation of the Genotoxic Potential against -Radical-Mediated DNA Damage and Acute Oral Toxicity of Standardized Extract of...
A dose-dependent increase of chromosome aberrations was also observed in the Allium cepa assay. The abnormalities scored were ... which is the product of the single-stranded cleavage of supercoil DNA and quantified as fragmented separate bands on agarose ... stickiness, c-mitosis, bridges, and vagrant chromosomes. Micronucleated cells were also observed at the interphase. The results ...https://www.hindawi.com/journals/ecam/2013/925380/abs/
Hepatitis C Virus Inhibits DNA Damage Repair through Reactive Oxygen and Nitrogen Species and by Interfering with the ATM-NBS1...
About 23% of metaphase chromosomes contained aberrations at passage 38 (Fig. 5D). Multiple chromosomal aberrations could be ... These aberrations included nonreciprocal clonal rearrangements (e.g., chromatid breaks, acentric fragments, and duplications; ... 5A, 5B). NAC, BSO, and 1400W treatment of 293core cells significantly reduced total aberrations per chromosomes (Fig. 5E). ... 2F). The propensity for chromosome loss was greater than that for chromosome gain (Fig. 2F, 2G). As cancer cell lines, such as ...http://www.jimmunol.org/content/185/11/6985.long
DNA Vaccination Controls Her-2+ Tumors that Are Refractory to Targeted Therapies | Cancer Research
Similarly, NCCAs and chromosome fragments were found in TUBO, not Bam1a cells, showing more severe chromosomal aberrations in ... Clonal and non-clonal chromosome aberrations and genome variation and aberration. Genome 2006; 49: 195-204. ... shows chromosomal aberrations in neu-expressing tumor lines, including CCAs, NCCAs, and chromosome fragments. ... When comparing D2F2/neu with D2F2 cells, they shared one CCA at t(11;16) and chromosome fragments X, 13, 3, and 1 ( Table 1), ...http://cancerres.aacrjournals.org/content/68/18/7502.long
Polycentric chromosome - Wikipedia
... as a result the chromosome is fragmented, which causes the death of the cell. In some algae polycentric chromosome are found ... Polycentric chromosome is produced by chromosomal aberrations like deletion, duplication and trans location. It is specifically ... The polycentric chromosome is when more than 1 Centromere are present in a chromosome. ... In those organism the chromosome instead of remaining at specific position remain dispersed throughout the chromosome. This ...https://en.wikipedia.org/wiki/Polycentric_chromosome
... to aberrations than the diabetic animals (D-group).. sperm abnormalities and chromosome aberrations [14, 16 It is worth noting ... display four amplified fragments while 610 bp fragments for A-group. Also, samples treated with Eight fragments in the control ... DNA damage and chromosomes aberrations. The published remains grossly unsatisfactory. Thus, it is vital to. clinical and / or ... And Chromosomes Aberrations. Department of Biochemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203 Jeddah ...http://medpdffinder.com/i/ijaset.com1.html
Uncovering key small RNAs associated with gametocidal action in wheat, Journal of Experimental Botany | 10.1093/jxb/ery175 |...
Gametocidal chromosomes enhancing chromosome aberration in common wheat induced by 5-azacytidine ... including chromatid fragments, dicentric chromosomes, and chromatin bridges (Finch et al., 1984; King and Laurie, 1993; Nasuda ... The gametes without the Gc chromosome are killed due to chromosomal aberrations induced by Gc chromosomes in the G1 phase prior ... The gametes without the Gc chromosome are killed due to chromosomal aberrations induced by Gc chromosomes in the G1 phase prior ...https://www.deepdyve.com/lp/ou_press/uncovering-key-small-rnas-associated-with-gametocidal-action-in-wheat-wJ8rZ5Hf1b
Genetic Damage Induced by a Food Coloring Dye (Sunset Yellow) on Meristematic Cells of Brassica campestris L.
Occurrence of micronuclei as aberration might be the results of acentric fragments or lagging chromosomes that fail to ... "An interpretation of the origin of subchromatid aberrations and chromosome stickiness as a category of chromatid aberrations," ... W. F. Grant, "Chromosome aberration assays in Allium. A report of the U. S. Environmental Protection Agency Gene-Tox Program," ... In general, chromosomal aberrations are changes in chromosome structure resulting from a break or exchange of chromosomal ...https://www.hindawi.com/journals/jeph/2015/319727/
The ageing epigenome: damaged beyond repair?
2007) and can result in detrimental chromosomal aberrations such as end-to-end fusions or fragmented chromosomes (Feldser et al ... The SAC ensures faithful chromosome segregation and is triggered by defects in chromosome alignment or chromosomal DNA breaks ... 2008). Telomeres are composed of TTAGGG repeats that can expand over ,10 kb at the ends of each chromosome. They are maintained ... 2008). Lack of SIRT1 causes an increase in chromosomal aberrations in response to ROS or ionizing irradiation and mice with ...http://pubmedcentralcanada.ca/pmcc/articles/PMC2696802/