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Alcohol abuse and glycoconjugate metabolism
Waszkiewicz Napoleon
Szajda Slawomir Dariusz
Zalewska Anna
Szulc Agata
Kepka Alina
Minarowska Alina
Wojewodzka Zelezniakowicz Marzena
Konarzewska Beata
Chojnowska Sylwia
Ladny Jerzy Robert
Zwierz Krzysztof
Folia Histochemica et Cytobiologica, 2012, 50(1): 1-11.
The relationship between alcohol consumption and glycoconjugate metabolism is complex and multidimensional. This review summarizes the advances in basic and clinical research on the molecular and cellular events involved in the metabolic effects of alcohol on glycoconjugates (glycoproteins, glycolipids, and proteoglycans). We summarize the action of ethanol, acetaldehyde, reactive oxygen species (ROS), nonoxidative metabolite of alcohol - fatty acid ethyl esters (FAEEs), and the ethanol-water competition mechanism, on glycoconjugate biosynthesis, modification, transport and secretion, as well as on elimination and catabolism processes. As the majority of changes in the cellular metabolism of glycoconjugates are generally ascribed to alterations in synthesis, transport, glycosylation and secretion, the degradation and elimination processes, of which the former occurs also in extracellular matrix, seem to be underappreciated. The pathomechanisms are additionally complicated by the fact that the effect of alcohol intoxication on the glycoconjugate metabolism depends not only on the duration of ethanol exposure, but also demonstrates dose- and regional-sensitivity. Further research is needed to bridge the gap in transdisciplinary research and enhance our understanding of alcohol- and glycoconjugate-related diseases. (Folia Histochemica et Cytobiologica 2012 Vol. 50, No. 1, 1-11)
ethanol; alcohol; glycoconjugate; metabolism
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