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Anti-acetaldehyde adduct antibodies generated by ethanol-fed rats react with reduced and unreduced
S Worrall1, J De Jersey, B C Shanley
1Department of Biochemistry, University of Queensland, Australia.
Alcohol and Alcoholism (Oxford, Oxfordshire)
|January 1, 1994
Abstract:
We have previously shown that rats fed ethanol for prolonged periods generate antibodies reactive with proteins modified by acetaldehyde in vitro. In this report we demonstrate that these antibodies react with two groups of adducts: those formed when acetaldehyde reacts with proteins at 37 degrees C for 24 hr ('unreduced' adducts) and those formed by a 1 hr incubation followed by the addition of sodium cyanoborohydride (a reducing agent specific for Schiff bases) to the reaction mixture ('reduced' adducts). These data suggest that adducts from both of these groups are formed in vivo as a result of ethanol ingestion by rats.