Consuming food containing ingredients with a documented impact on lipid metabolism can help fight overweight and obesity. The simplest way to reduce the level of fatty acids is to block their synthesis or increase the rate of their degradation. This study aimed to determine the effect of resveratrol, , conjugated linoleic acid (CLA), , CLA, and various variants of their combinations on de novo fatty acid biosynthesis in 3T3-L1 adipocytes. The influence of the above-mentioned bioactive substances on cells grown under standard conditions and after induction of oxidative stress was measured. The effect of the tested compounds on the expression of selected genes related to the de novo fatty acid biosynthesis process (Fasn, Acc1, Acly, Prkaa1, Prkaa2, Prkaca, Srebp1) was evaluated. As part of the conducted experiments, how the level of the corresponding mRNA translates into the content of selected proteins (acetyl-CoA carboxylase 1 (ACC) and fatty acid synthase (FASN) was studied. It was found that the inhibition of fatty acid biosynthesis processes was stronger in the case of the combination of the tested CLA isomers (, CLA, , CLA) with resveratrol than in cases of their individual action.
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