Lipidic nitrosating agents produced from atmospheric nitrogen dioxide and a nitrosamine produced in vivo from amyl nitrite. 1987

S S Mirvish, and M D Ramm, and D M Babcook, and J P Sams, and M Panigot
Eppley Institute for Research in Cancer, University of Nebraska Medical Center, Omaha 68105.

In studies on nitrosating agent(s) formed in skin of mice exposed to nitrogen dioxide, we showed that: (i) N-nitrosomethylaniline was produced in skin of mice exposed to nitrogen dioxide and then painted with N-methylaniline; (ii) a nitrosating precursor in methyl linoleate is associated with peroxidation products; (iii) cholesterol is a major nitrosating precursor in mouse skin, probably because it produces the nitrosating agent, cholesteryl nitrite; (iv) cholesteryl nitrite enhances autoxidation of lipids in vivo and on mouse skin and, like sodium nitrite, catalyses the autoxidation of iodide; (v) N-nitrosomethylaniline was produced in mice injected intraperitoneally with methylaniline and gavaged with amyl nitrite; and (vi) nitrosating agents may occur normally in human skin lipids.

UI MeSH Term Description Entries
D009585 Nitrogen Dioxide Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface. Nitrogen Peroxide,Dioxide, Nitrogen,Peroxide, Nitrogen
D009602 Nitrosamines A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties. Nitrosamine
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000680 Amyl Nitrite A vasodilator that is administered by inhalation. It is also used recreationally due to its supposed ability to induce euphoria and act as an aphrodisiac. Nitrite, Amyl
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001272 Atmosphere The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed) Atmospheres
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
D050356 Lipid Metabolism Physiological processes in biosynthesis (anabolism) and degradation (catabolism) of LIPIDS. Metabolism, Lipid
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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