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Published on: May 19, 2023
Short-term fatty acid intervention elicits differential gene expression responses in adipose tissue from lean and
Marjan J van Erk1, Wilrike J Pasman, Heleen M Wortelboer
1Businessunit Biosciences, TNO Quality of Life, P.O. Box 360, 3700 AJ, Zeist, The Netherlands, marjan.vanerk@tno.nl.
Abstract:
The goal of this study was to investigate the effect of a short-term nutritional intervention on gene expression in adipose tissue from lean and overweight subjects. Gene expression profiles were measured after consumption of an intervention spread (increased levels of polyunsaturated fatty acids, conjugated linoleic acid and medium chain triglycerides) and a control spread (40 g of fat daily) for 9 days. Adipose tissue gene expression profiles of lean and overweight subjects were distinctly different, mainly with respect to defense response and metabolism. The intervention resulted in lower expression of genes related to energy metabolism in lean subjects, whereas expression of inflammatory genes was down-regulated and expression of lipid metabolism genes was up-regulated in the majority of overweight subjects. Individual responses in overweight subjects were variable and these correlated better to waist-hip ratio and fat percentage than BMI.
