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The Contribution of Electrophilic and Radicalic Intermediates to Phospholipid Adducts Formed by Halomethanes in Vivo by Valentina De Curtis; Simonetta Gemma; Maria Sbraccia; Emanuela Testai; Luciano Vittozzi is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is The Contribution of Electrophilic and Radicalic Intermediates to Phospholipid Adducts Formed by Halomethanes in Vivo about?
The different production of phosgene and free-radicals from CHC13 and CCl, was determined in vitro and in vivo, by measuring the regioselective binding of the two intermediates to phospholipid (PL) molecules. Results clearly indicated that this assay can be successfully used to selectively detect electrophilic and radicalic metabolites produced in vivo and selectively quantitate their adducts. The in vivo biotransformation of CC14, similarly to the in vitro situation, resulted in the formation of radicals only, the contribution of phosgene to the structural damage of PL being negligible. These findings allowed us to rule out the hypothesis of substantial formation of radicalic intermediates from CHC13 in phenobarbital (PB)pretreated Sprague-Dawley (SD) rats, derived from in vitro data. While the role of reduced glutathione (GSH) in preventing Cockderived damages seems to be less important in vivo than in vitro, it is not possible to rule out the action of radical scavenging systems in decreasing the level of adducts with fatty acyl chains (FC) of PL measured in vivo.
Who reads The Contribution of Electrophilic and Radicalic Intermediates to Phospholipid Adducts Formed by Halomethanes in Vivo?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Valentina De Curtis; Simonetta Gemma; Maria Sbraccia; Emanuela Testai; Luciano Vittozzi
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); VCH Publishers; Wiley (ISSN 0887-2082)
- Published
- 1994
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)