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The gastrointestinal route of exposure to particulate matter is important because particles are ingested via contaminated foods and inhaled particles are swallowed when removed from the airways by the mucociliary clearance system. We investigated the effect of an intragastric administration by oral gavage of diesel exhaust particles (DEP) in terms of DNA damage, oxidative stress and DNA repair in...
Pulmonary exposure to diesel exhaust particles (DEP) has been associated with high levels of oxidized DNA in lung cells, whereas long-term oral DEP exposure appears to induce the DNA repair system with concomitant unaltered levels of oxidized DNA in the colon and liver of rats. Here we studied the generation of oxidatively damaged DNA in young wild type (WT) and oxoguanine DNA glycosylase 1 (OGG1)...
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