Literature DB >> 7353229

Alkylation of nucleic acids by N-nitrosodi-n-propyl-amine: evidence that carbonium ions are not significantly involved.

K K Park, M C Archer, J S Wishnok.   

Abstract

Administration of N-nitrosodi-n-propylamine to rats leads to the formation of 7-n-propylguanine but not 7-isopropylguanine in hepatic DNA. For RNA, a small amount of the rearranged adduct is formed. Alkylation of DNA and RNA therefore appears to occur primarily via a bimolecular reaction rather than a unimolecular pathway involving free alkyl cations.

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Year:  1980        PMID: 7353229     DOI: 10.1016/0009-2797(80)90028-9

Source DB:  PubMed          Journal:  Chem Biol Interact        ISSN: 0009-2797            Impact factor:   5.192


  3 in total

1.  Characterization of a lipid hydroperoxide-derived RNA adduct in rat intestinal epithelial cells.

Authors:  Peijuan Zhu; Seon Hwa Lee; Suzanne Wehrli; Ian A Blair
Journal:  Chem Res Toxicol       Date:  2006-06       Impact factor: 3.739

2.  alpha-Hydroxylation pathway in the in vitro metabolism of carcinogenic nitrosamines: N-nitrosodimethylamine and N-nitroso-N-methylaniline.

Authors:  M B Kroeger-Koepke; S R Koepke; G A McClusky; P N Magee; C J Michejda
Journal:  Proc Natl Acad Sci U S A       Date:  1981-10       Impact factor: 11.205

3.  O4-Methyl, -ethyl, or -isopropyl substituents on thymidine in poly(dA-dT) all lead to transitions upon replication.

Authors:  B Singer; S J Spengler; H Fraenkel-Conrat; J T Kuśmierek
Journal:  Proc Natl Acad Sci U S A       Date:  1986-01       Impact factor: 11.205

  3 in total

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