Mostrando 2,141 - 2,160 Resultados de 3,134 Para Buscar '"comet"', tiempo de consulta: 0.14s Limitar resultados
  1. 2141
    “…DNA damage was detected in living cells through leukocyte isolation in 50 COVID-19-positive patients using the comet assay method. DNA tail/head (olive) moments were evaluated and compared. …”
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  2. 2142
    “…ROS production as well as lipid and protein oxidation were somewhat higher in PS-MP treatments compared to the corresponding concentrations of PMMA-MP, while neither of the applied MPs induced significant damage to the DNA molecule assayed with a Comet test. Significantly elevated activity of H(2)O(2) scavenging enzymes, catalase, and peroxidases was measured after exposure to both types of MPs. …”
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  3. 2143
    “…In adults, micronucleus test and comet assays found neither genotoxicity after acute exposure for 96 h at concentrations of 0.0, 12.5, 50 and 100 mg.L(−1), nor cytotoxicity through the nuclear abnormalities test. …”
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  4. 2144
  5. 2145
    “…It is expected to contribute to water fractionation during the building-up of the ice grain mantles in molecular clouds and to favor OH-poor chemical environment in comet-formation regions of protoplanetary disks. …”
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  6. 2146
    “…Also, DNA fragmentation caused by metaldehyde in root tip cells was measured by the "Comet Assay" method. The control group was germinated with tap water and the application groups were germinated with 20 mg/L metaldehyde, 40 mg/L metaldehyde, 100 mg/L metaldehyde and 200 mg/L metaldehyde for 72 h. …”
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  7. 2147
    “…DDR-associated parameters, including endogenous DNA damage (single-strand breaks and double-strand breaks (DSBs) measured by the alkaline comet assay (Olive Tail Moment (OTM); DSBs-only by γH2AX immunofluorescence staining), DSBs repair capacity, oxidative stress, and apurinic/apyrimidinic sites were evaluated in PBMCs of 243 individuals aged 18–75 years, free of any major comorbidity. …”
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  8. 2148
    “…Radiosensitivity, cell apoptosis, cell cycle, and DNA damage repair were measured by clonogenic survival assay, flow cytometry, immunofluorescence for γ‐H2AX foci, and Comet assay, respectively. Activation of p‐ATM(Ser1981), p‐CHK2(Th68), p‐DNA‐PKcs (Ser2056), and Ku70/Ku80 was measured by western blot. …”
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  9. 2149
    “…METHODS: The radioresistant role of KLC2 was determined by colony formation, neutral comet assay, and γH2AX immunofluorescent staining assay. …”
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  10. 2150
    “…Specifically, we assessed IR toxicity by clonogenic assays; DNA damage response activity by immunocytochemistry; apoptosis and cell cycle by flow cytometry (Annexin V and propidium iodide, respectively); DNA repair by comet assay; and senescence induction by both X-Gal staining and gene expression of senescence-associated genes by RT-qPCR. …”
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  11. 2151
    “…Since the BRCA1 gene is involved in DNA repair and apoptosis, the functional assays chromosomal aberrations, cytokinesis-blocked micronucleus, comet, γH2AX, caspase and TUNEL assays were then conducted on these lymphocytes after a genotoxic challenge by ionizing radiation or doxorubicin to assess the functional role of this VUS. …”
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  12. 2152
    “…Interestingly, the damage to cellular DNA as revealed by the comet assay, indicates that DMT-GFT has the highest photogenotoxic potential; moreover, the DNA damage induced by this metabolite is hardly repaired by the cells after a time recovery of 18 h. …”
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  13. 2153
    “…Eluates containing Cr, Mn, and Al showed a slight pro-oxidant effect on DNA (on plasmid φX-174 RF I) and slight genotoxicity (comet assay), but these effects are not so great that the human body could not “resist” them. …”
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  14. 2154
  15. 2155
    “…It also caused damaged DNA spots in comet assay and increased inflammatory IL-6 and apoptotic markers (caspase 3, Bax) while antiapoptotic Bcl-2 was significantly reduced. …”
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  16. 2156
    “…DNA damage was evaluated in sperm samples taken from the ductus epididymis using the comet assay technique. RESULTS: Testicular tissue was severely damaged in the paclitaxel group. …”
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  17. 2157
  18. 2158
    “…Both concentrations also led to an increase in the apoptotic and necrotic cells as well as decrease in the viable hemocytes in the circulating hemolymph of treated larvae. Comet parameters (tail length, % tail DNA, tail moment, and olive tail moment) of γ-terpinene fed larvae increased significantly. …”
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  19. 2159
  20. 2160
    “…The apoptosis assay and comet assay results revealed that decreased p21 expression resulted in accumulation of unrepaired DNA double-strand breaks (DSBs) and induction of apoptosis by gemcitabine. …”
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