Assessment and reduction of comet assay variation in relation to DNA damage: studies from the European Comet Assay Validation Group
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Assessment and reduction of comet assay variation in relation to DNA damage: studies from the European Comet Assay Validation Group. / Møller, Peter; Möller, Lennart; Godschalk, Roger W L; Jones, George D D.
In: Mutagenesis, Vol. 25, No. 2, 01.03.2010, p. 109-11.Research output: Contribution to journal › Journal article › peer-review
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TY - JOUR
T1 - Assessment and reduction of comet assay variation in relation to DNA damage: studies from the European Comet Assay Validation Group
AU - Møller, Peter
AU - Möller, Lennart
AU - Godschalk, Roger W L
AU - Jones, George D D
PY - 2010/3/1
Y1 - 2010/3/1
N2 - The alkaline single cell gel electrophoresis (comet) assay has become a widely used method for the detection of DNA damage and repair in cells and tissues. Still, it has been difficult to compare results from different investigators because of differences in assay conditions and because the data are reported in different units. The European Comet Assay Validation Group (ECVAG) was established for the purpose of validation of the comet assay with respect to measures of DNA damage formation and its repair. The results from this inter-laboratory validation trail showed a large variation in measured level of DNA damage and formamidopyrimidine DNA glycosylase-sensitive sites but the laboratories could detect concentration-dependent relationships in coded samples. Standardization of the results with reference standards decreased the inter-laboratory variation. The ECVAG trail indicates substantial reliability for the measurement of DNA damage by the comet assay but there is still a need for further validation to reduce both assay and inter-laboratory variation.
AB - The alkaline single cell gel electrophoresis (comet) assay has become a widely used method for the detection of DNA damage and repair in cells and tissues. Still, it has been difficult to compare results from different investigators because of differences in assay conditions and because the data are reported in different units. The European Comet Assay Validation Group (ECVAG) was established for the purpose of validation of the comet assay with respect to measures of DNA damage formation and its repair. The results from this inter-laboratory validation trail showed a large variation in measured level of DNA damage and formamidopyrimidine DNA glycosylase-sensitive sites but the laboratories could detect concentration-dependent relationships in coded samples. Standardization of the results with reference standards decreased the inter-laboratory variation. The ECVAG trail indicates substantial reliability for the measurement of DNA damage by the comet assay but there is still a need for further validation to reduce both assay and inter-laboratory variation.
KW - Comet Assay
KW - DNA Damage
KW - DNA-Formamidopyrimidine Glycosylase
KW - Europe
KW - Female
KW - Hela Cells
KW - Humans
KW - Laboratories
KW - Male
KW - Observer Variation
KW - Reference Standards
U2 - 10.1093/mutage/gep067
DO - 10.1093/mutage/gep067
M3 - Journal article
C2 - 20064897
VL - 25
SP - 109
EP - 111
JO - Mutagenesis
JF - Mutagenesis
SN - 0267-8357
IS - 2
ER -
ID: 33638268