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pubmed-article:2225341pubmed:abstractTextAcrolein and crotonaldehyde are alpha,beta-unsaturated carbonyl compounds that form 1,N2-propanodeoxyguanosine adducts when reacted with DNA in vitro. These compounds are mutagenic in Salmonella, and crotonaldehyde is tumorigenic in rats. This study used immunoassay and 32P-postlabeling methods to determine if acrolein and crotonaldehyde form these adducts in cultured mammalian cells. Adduct levels were highest in Chinese hamster ovary cells exposed to acrolein (1 mM) with 162 mumol adduct/mol deoxyguanosine. Crotonaldehyde (10 mM) formed adduct at a level of 75 mumol/mol deoxyguanosine. 32P-Postlabeling analysis confirmed the presence of adducts in crotonaldehyde-treated cells. Persistence studies showed that adduct levels were unchanged if the cells were cultured for 6 h before DNA isolation. Mutagenicity studies were performed to determine the biological consequences of these adducts. Mutations were not observed due to the toxicity of the compounds.lld:pubmed
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pubmed-article:2225341pubmed:dateRevised2007-11-14lld:pubmed
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pubmed-article:2225341pubmed:articleTitleFormation of cyclic deoxyguanosine adducts in Chinese hamster ovary cells by acrolein and crotonaldehyde.lld:pubmed
pubmed-article:2225341pubmed:affiliationDivision of Chemical Carcinogenesis, American Health Foundation, Valhalla, NY 10595.lld:pubmed
pubmed-article:2225341pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:2225341pubmed:publicationTypeResearch Support, U.S. Gov't, P.H.S.lld:pubmed
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