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BioFactors (Oxford, England)

Dihydroxynonene mercapturic acid, a urinary metabolite of 4-hydroxynonenal, as a biomarker of lipid peroxidation.


PMID 16403967

Abstract

The objective of our study was to compare the information obtained through the use of three different urinary biomarkers of lipoperoxidation during the time course of a bromotrichloromethane (BrCCl3) induced oxidative stress in rats. These biomarkers were malondialdehyde (MDA) measured by LC/MS after derivatization, the isoprostane 8-iso-PGF2alpha measured by enzyme immunoassay and 1,4-dihydroxynonene mercapturic acid (DHN-MA), the major 4-hydroxynonenal urinary metabolite [1], measured by LC-MS. Male Wistar rats received a single dose of 100 microL/kg BrCCl3 per os and lipid peroxidation was estimated every day for a 4-day-period after treatment. MDA, 8-iso-PGF2alpha and DHN-MA significantly increased in response to BrCCl3 treatment for this period of time, and DHN-MA showed the main increase during the 24-48 h period after treatment.

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B82251
Bromotrichloromethane, 99%
CBrCl3