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2441por Ortiz-Pérez, María D., Torres-Dosal, Arturo, Batres, Lilia E., López-Guzmán, Olga D., Grimaldo, M., Carranza, C., Pérez-Maldonado, Iván N., Martínez, Flavio, Pérez-Urizar, José, Díaz-Barriga, Fernando“…Finally, considering reports about the genotoxicity of deltamethrin, we assessed DNA damage in children before and 24 hr after indoor spraying of deltamethrin; we found no differences in the comet assay end points. In conclusion, we observed exposure to deltamethrin in children, but we did not find any relationship between soil concentrations of deltamethrin and urinary levels of the metabolites. …”
Publicado 2005
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2442por Arendt, Bianca M, Ellinger, Sabine, Kekic, Klaudia, Geus, Leonie, Fimmers, Rolf, Spengler, Ulrich, Müller, Wolfgang-Ulrich, Goerlich, Roland“…DNA strand breaks (SB) were determined by single cell gel electrophoresis (Comet Assay) in untreated cells and after induction of oxidative stress ex vivo with H(2)O(2 )(300 μM, 20 min). …”
Publicado 2005
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2443por Bräuner, Elvira Vaclavik, Forchhammer, Lykke, Møller, Peter, Simonsen, Jacob, Glasius, Marianne, Wåhlin, Peter, Raaschou-Nielsen, Ole, Loft, Steffen“…METHODS: The levels of DNA strand breaks (SBs), oxidized purines as formamidopyrimidine DNA glycolase (FPG) sites, and activity of 7,8-dihydro-8-oxoguanine-DNA glycosylase (OGG1) in PBMCs were measured by the Comet assay. mRNA levels of OGG1, nucleoside diphosphate linked moiety X-type motif 1 (NUDT1), and heme oxygenase-1 (HO1) were determined by real-time reverse transcriptase–polymerase chain reaction. …”
Publicado 2007
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2444“…DNA strand breakage measured in individual cells using the DNA precipitation and comet assays correlated well with cell killing with one exception: DNA damage was not affected when cells were incubated with etoposide in phosphate-buffered saline, although the etoposide concentration required to produce a given amount of cell killing was increased approximately 7-fold compared to cells incubated with the drug in complete medium. …”
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2445Using Lymphocyte and Plasma Hsp70 as Biomarkers for Assessing Coke Oven Exposure among Steel Workerspor Yang, Xiaobo, Zheng, Jinping, Bai, Yun, Tian, Fengjie, Yuan, Jing, Sun, Jianya, Liang, Huashan, Guo, Liang, Tan, Hao, Chen, Weihong, Tanguay, Robert M., Wu, Tangchun“…METHODS: We recruited 101 coke oven workers and determined levels of polycyclic aromatic hydrocarbon (PAH) exposure, urinary 1-hydroxypyrene (1-OHP), genotoxic damage by comet assay and micronuclei test, and other markers of damage, including plasma malondialdehyde (MDA) and lactate dehydrogenase (LDH). …”
Publicado 2007
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2446por Hejmadi, M. V., McKeown, S. R., Friery, O. P., McIntyre, I. A., Patterson, L. H., Hirst, D. G.“…AQ4N (1,4-bis-([2-(dimethylamino-N- oxide)ethyl]amino)5,8-dihydroxyanthracene-9,10-dione) is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound, AQ4. The alkaline comet assay was used to evaluate DNA damage induced by AQ4N and radiation. …”
Publicado 1996
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2447“…This dose-dependent differential in response may be attributed to the degree of initial DNA damage as measured by the comet assay. IMAGES:…”
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2448Phase I trial combining gemcitabine and treosulfan in advanced cutaneous and uveal melanoma patientspor Corrie, P G, Shaw, J, Spanswick, V J, Sehmbi, R, Jonson, A, Mayer, A, Bulusu, R, Hartley, J A, Cree, I A“…The single-cell gel electrophoresis (Comet) assay was used to measure chemotherapy-induced DNA damage. …”
Publicado 2005
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2449por Noble, Vicki E, Lamhaut, Lionel, Capp, Roberta, Bosson, Nichole, Liteplo, Andrew, Marx, Jean-Sebastian, Carli, Pierre“…Given the diagnostic benefits of thoracic ultrasound (TUS), we sought to evaluate image recognition skills for two important TUS applications; the identification of B-lines (used in the US diagnosis of pulmonary edema) and the identification of lung sliding and comet tails (used in the US diagnosis of pneumothorax). …”
Publicado 2009
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2450por Madeddu, Manuela, Berlinguer, Fiammetta, Ledda, Massimo, Leoni, Giovanni G, Satta, Valentina, Succu, Sara, Rotta, Andrea, Pasciu, Valeria, Zinellu, Angelo, Muzzeddu, Marco, Carru, Ciriaco, Naitana, Salvatore“…During 4 hrs in vitro culture, spermatozoa collected from B maintained over time a higher viability in vitro when compared to A, C and D. As evaluated by the comet assay method, DNA fragmentation after freezing and thawing did not differ in the 4 vultures. …”
Publicado 2009
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2451por Bhattacharya, Kunal, Davoren, Maria, Boertz, Jens, Schins, Roel PF, Hoffmann, Eik, Dopp, Elke“…In contrast to hematite NP, TiO(2)-NP did not induce DNA-breakage measured by the Comet-assay in both cell types. Generation of reactive oxygen species (ROS) was measured acellularly (without any photocatalytic activity) as well as intracellularly for both types of particles, however, the iron-containing NP needed special reducing conditions before pronounced radical generation. …”
Publicado 2009
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2452“…The expression of cytochrome P450 reductase (CYP450R) was analysed by western blotting, and DNA cross-linking was assessed using COMET analysis supported by γ-H2AX foci formation. …”
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2453por Shaughnessy, Daniel T., Gangarosa, Lisa M., Schliebe, Barbara, Umbach, David M., Xu, Zongli, MacIntosh, Beth, Knize, Mark G., Matthews, Peggy P., Swank, Adam E., Sandler, Robert S., DeMarini, David M., Taylor, Jack A.“…We used the Salmonella assay to analyze the meat, urine, and feces for mutagenicity, and the comet assay to analyze rectal biopsies and peripheral blood lymphocytes for DNA damage. …”
Publicado 2011
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2454por Manson, William C., Bonz, Jay W., Carmody, Kristin, Osborne, Michael, Moore, Christopher L.“…The serum BNP level was correlated with bilateral B-lines, defined as three or more comet-tail artifacts arising from the pleural line extending to the far field without a decrease in intensity on the right and left thorax. …”
Publicado 2011
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2455por Ponnala, Shivani, Veeravalli, Krishna Kumar, Chetty, Chandramu, Dinh, Dzung H., Rao, Jasti S.“…This hypothesis was confirmed by reduced Ku70/Ku80 protein binding to DSB, increased comet tail length and elevated γH2AX expression in treated cells compared to control. …”
Publicado 2011
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2456“…Lymphocyte DNA damage was determined using the COMET assay under alkaline conditions and damage was quantified by measuring tail moment (TM), tail length (TL), and% DNA in the tail. …”
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2457por Khosroushahi, Ahmad Yari, Naderi-Manesh, Hossein, Yeganeh, Hamid, Barar, Jaleh, Omidi, Yadollah“…The real time RT-PCR analysis confirmed the activation of apoptosis as result of liberation of cytochrome c in the cells treated with the PTX loaded PU nanomicelles. The comet assay analysis showed somewhat DNA fragmentation in the treated cells. …”
Publicado 2012
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2458por Greve, Burkhard, Bölling, Tobias, Amler, Susanne, Rössler, Ute, Gomolka, Maria, Mayer, Claudia, Popanda, Odilia, Dreffke, Kristin, Rickinger, Astrid, Fritz, Eberhard, Eckardt-Schupp, Friederike, Sauerland, Christina, Braselmann, Herbert, Sauter, Wiebke, Illig, Thomas, Riesenbeck, Dorothea, Könemann, Stefan, Willich, Normann, Mörtl, Simone, Eich, Hans Theodor, Schmezer, Peter“…Experimental parameters included ionizing radiation (IR)-induced cell death (AnnexinV), induction and repair of DNA strand breaks (Comet assay), induction of yH2AX foci (as a result of DNA double strand breaks), and whole genome expression analyses. …”
Publicado 2012
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2459por PARK, SUNG CHUL, LIM, JI-YOUN, JEEN, YOON TAE, KEUM, BORA, SEO, YEON SEOK, KIM, YONG SIK, LEE, SUNG JOON, LEE, HONG SIK, CHUN, HOON JAI, UM, SOON HO, KIM, CHANG DUCK, RYU, HO SANG, SUL, DONGGEUN, OH, EUNHA“…Cell viability and DNA damage were determined using the MTT and comet assays, respectively. We measured DNA repair-related molecules, including DNA polymerase β, apurinic/apyrimidinic endonuclease/redox factor-1 (APE/Ref-1), growth arrest and DNA damage 45α (GADD45α) and proliferating cell nuclear antigen (PCNA), in Caco-2 cells using western blot analysis. …”
Publicado 2012
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2460por Ambrosi, Cecilia, Pompili, Monica, Scribano, Daniela, Zagaglia, Carlo, Ripa, Sandro, Nicoletti, Mauro“…Surprisingly, the ompA mutant produced proper F-actin comet tails, indicating that the aberrant IcsA exposition at bacterial lateral surface did not affect proper activation of actin-nucleating proteins, suggesting that the absence of OmpA likely unmasks mature or cell associated IcsA at bacterial lateral surface. …”
Publicado 2012
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