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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Modulating effect of sesamin, a functional lignan in sesame seeds, on the transcription levels of lipid- and alcohol-metabolizing enzymes in rat liver: a DNA microarray study.

Sesamin, a major lignan in sesame seeds, has multiple functions such as cholesterol-lowering and anti-hypertensive activities. To investigate the effect of sesamin on gene expression in the liver, a DNA microarray analysis was carried out. The ingestion of sesamin dissolved in olive oil up-regulated the expression of 38 genes, 16 of which encode proteins possessing a lipid-metabolizing function, and 16 of which encode proteins possessing a xenobiotic/endogenous substance metabolizing function. In particular, sesamin significantly increased the expression of beta-oxidation-associated enzymes in peroxisomes and auxiliary enzymes required for degradation, via the beta-oxidation pathway, of unsaturated fatty acids in mitochondria. The ingestion of sesamin also resulted in an increase in the gene expression of acyl-CoA thioesterase involved in acyl-CoA hydrolase and very-long-chain acyl-CoA thioesterase. Interestingly, it induced the expression of the gene for aldehyde dehydrogenase, an alcohol-metabolizing enzyme. These results suggest that sesamin regulates the metabolism of lipids, xenobiotics, and alcohol at the mRNA level.[1]

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