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Inhibition of intercellular communication in Chinese hamster V79 cells by fractionated asphalt fume condensates. 1991

M Toraason, and J S Bohrman, and E Elmore, and G Wyatt, and D McGregor, and S E Willington, and W Zajac
Centers for Disease Control, National Institute for Occupational Safety and Health, Division of Biomedical and Behavioral Science, Cincinnati, Ohio 45226.

Asphalt fume condensate is a skin carcinogen in mice, yet this complex mixture contains relatively low levels of known carcinogenic initiators. Consequently, its biological activity has been attributed to the presence of cocarcinogenic or tumor-promoting agents. One of several proposed mechanisms of tumor promotion is inhibition of intercellular communication. In an attempt to determine if asphalt fume has tumor-promoting potential inhibition of intercellular communication was measured in V79 cells exposed to fractionated asphalt fume condensate. Fume from air-blown Arabian crude asphalt was trapped and separated into five fractions by preparative-scale high-pressure liquid chromatography. The parent fume condensate and the five fractions inhibited intercellular communication in a concentration-dependent fashion, with a minimum effective concentration of 2.5 microgram/ml for the most potent fraction. Cytotoxicity assays were performed at the same time and concentrations as the metabolic cooperation assays. Cytotoxic responses paralleled the inhibition of intercellular communication.

UI MeSH Term Description Entries
D008401 Gas Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. Chromatography, Gas-Liquid-Mass Spectrometry,Chromatography, Gas-Mass Spectrometry,GCMS,Spectrometry, Mass-Gas Chromatography,Spectrum Analysis, Mass-Gas Chromatography,Gas-Liquid Chromatography-Mass Spectrometry,Mass Spectrometry-Gas Chromatography,Chromatography, Gas Liquid Mass Spectrometry,Chromatography, Gas Mass Spectrometry,Chromatography, Mass Spectrometry-Gas,Chromatography-Mass Spectrometry, Gas,Chromatography-Mass Spectrometry, Gas-Liquid,Gas Chromatography Mass Spectrometry,Gas Liquid Chromatography Mass Spectrometry,Mass Spectrometry Gas Chromatography,Spectrometries, Mass-Gas Chromatography,Spectrometry, Gas Chromatography-Mass,Spectrometry, Gas-Liquid Chromatography-Mass,Spectrometry, Mass Gas Chromatography,Spectrometry-Gas Chromatography, Mass,Spectrum Analysis, Mass Gas Chromatography
D002450 Cell Communication Any of several ways in which living cells of an organism communicate with one another, whether by direct contact between cells or by means of chemical signals carried by neurotransmitter substances, hormones, and cyclic AMP. Cell Interaction,Cell-to-Cell Interaction,Cell Communications,Cell Interactions,Cell to Cell Interaction,Cell-to-Cell Interactions,Communication, Cell,Communications, Cell,Interaction, Cell,Interaction, Cell-to-Cell,Interactions, Cell,Interactions, Cell-to-Cell
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D006838 Hydrocarbons Organic compounds that primarily contain carbon and hydrogen atoms with the carbon atoms forming a linear or circular structure. Hydrocarbon,Saturated Hydrocarbons,Unsaturated Hydrocarbons,Hydrocarbons, Saturated,Hydrocarbons, Unsaturated
D000336 Aerosols Colloids with a gaseous dispersing phase and either liquid (fog) or solid (smoke) dispersed phase; used in fumigation or in inhalation therapy; may contain propellant agents. Aerosol
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

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