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PURPOSE: 8-oxoguanine DNA glycosylase (OGG) repairs DNA by removing 8-oxoguanine (oh8Gua), a highly mutagenic oxidative DNA adduct. Recently, the human gene for OGG (hOGG1) was cloned and several genotypes have...
8-oxo-7,8-dihydroguanine (8-oxo-G) in DNA is a mutagenic adduct formed by reactive oxygen species. In Escherichia coli, 2,6-dihydroxy-5N-formamidopyrimidine (Fapy)-DNA glycosylase (Fpg) removes this mutagenic adduct from DNA. In this report, we...
Large doses of acetaminophen (APAP) could cause oxidative stress and tissue damage through production of reactive oxygen/nitrogen (ROS/RNS) species and quinone metabolites of APAP. Although ROS/RNS are known to modify...
Human 8-oxo-G-DNA glycosylase 1 (hOGG1) is a DNA glycosylase to cleave 8-oxo-7,8-dihydroguanine (8-oxo-G), a mutagenic DNA adduct formed by oxidant stresses. Here, we examined hOGG1 protein expression and repair activity...
Lee CH, Lee KY, Choe KH, Hong YC, Noh SI, Eom SY, Ko YJ, Zhang YW, Yim DH, Kang JW, Kim H, Kim YD
KMID: 792399
J Prev Med Public Health.
2006 Mar;39(2):130-134.
OBJECTIVES: Oxidative DNA damage is a known risk factor of lung cancer. The glutathione peroxidase (GPX) antioxidant enzyme that reduces hydrogen peroxide and lipid peroxides plays a significant role...