Results 21 to 30 of about 1,931,388 (325)

Validation of the 3D reconstructed human skin Comet assay, an animal-free alternative for following-up positive results from standard in vitro genotoxicity assays

open access: yesMutagenesis, 2020
As part of the safety assessment process, all industrial sectors employ genotoxicity test batteries, starting with well-established in vitro assays. However, these batteries have limited predictive capacity for the in vivo situation, which may result in ...
S. Pfuhler   +10 more
semanticscholar   +1 more source

Comet Assay measurements: a perspective [PDF]

open access: yesCell Biology and Toxicology, 2007
The Comet Assay or single cell gel electrophoresis assay is one of the very widely used assays to microscopically detect DNA damage at the level of a single cell. The determination of damage is carried out either through visual scoring of cells (after classification into different categories on the basis of tail length and shape) or by using different ...
Kumaravel, T. S.   +3 more
openaire   +3 more sources

The comet assay: topical issues [PDF]

open access: yesMutagenesis, 2008
The comet assay is a versatile and sensitive method for measuring single- and double-strand breaks in DNA. The mechanism of formation of comets (under neutral or alkaline conditions) is best understood by analogy with nucleoids, in which relaxation of DNA supercoiling in a structural loop of DNA by a single DNA break releases that loop to extend into a
Lisa Giovannelli   +8 more
openaire   +5 more sources

Potassium bromate as positive assay control for the Fpg-modified comet assay.

open access: yesMutagenesis, 2020
The comet assay is a popular assay in biomonitoring studies. DNA strand breaks (or unspecific DNA lesions) are measured using the standard comet assay.
P. Møller   +22 more
semanticscholar   +1 more source

Deep learning method for comet segmentation and comet assay image analysis

open access: yesScientific Reports, 2020
Comet assay is a widely used method, especially in the field of genotoxicity, to quantify and measure DNA damage visually at the level of individual cells with high sensitivity and efficiency.
Yiyu Hong   +10 more
semanticscholar   +1 more source

Using a medium-throughput comet assay to evaluate the global DNA methylation status of single cells

open access: yesFrontiers in Genetics, 2014
The comet assay is a simple and cost effective technique, commonly used to analyse and quantify DNA damage in individual cells. The versatility of the comet assay allows introduction of various modifications to the basic technique.
Angelique eLewies   +5 more
doaj   +1 more source

Antioxidants and the Comet assay

open access: yesMutation Research/Reviews in Mutation Research, 2009
It is widely accepted that antioxidants, either endogenous or from the diet, play a key role in preserving health. They are able to quench radical species generated in situations of oxidative stress, either triggered by pathologies or xenobiotics, and they protect the integrity of DNA from genotoxicants.
Adolf Baumgartner   +2 more
openaire   +3 more sources

Interpreting sperm DNA damage in a diverse range of mammalian sperm by means of the two-tailed comet assay

open access: yesFrontiers in Genetics, 2014
Sperm DNA damage is associated with fertilization failure, impaired pre-and post- embryo implantation and poor pregnancy outcome. A series of methodologies to assess DNA damage in spermatozoa have been developed but most are unable to differentiate ...
Elva I eCortes-Gutierrez   +5 more
doaj   +1 more source

Comet Assay and Applications

open access: yesInternational Journal of Scientific and Technological Research, 2019
Currently, humans and other living things can have many genotoxic damages due to reasons such as chemicals, drugs, unfavorable environmental effects. Breaks in the DNA structure due to genotoxic damage can cause mutations, changes in chromosome structure and cancer.
Cücer, Nurhan   +3 more
openaire   +4 more sources

Automated comet assay analysis [PDF]

open access: yesCytometry, 1999
Recently the "comet assay" or "single-cell gel electrophoresis assay" has been established as a sensitive method for the detection of DNA damage and repair. Most of the software now available to quantify various parameters for DNA damage requires the interaction of a human observer. In this report, we describe an automated analysis system that is based
T. Bauch   +4 more
openaire   +3 more sources

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