Summary of overall effects of the dietary ingredients DHA, β-carotene and resveratrol on lipid accumulation and on gene expression clusters. mRNA levels of enzymes involved in glucose and fat metabolism (Glut4, LPL, FAS, ACC1 and CPT-1β) and of adipocyte differentiation markers (PPARγ, C/EBPα, PPARα, aP2 and adiponectin) were determined in maturing C3H10 T1/2 cells. Depicted are the dose-dependent effects of DHA and β-carotene and the impact of resveratrol on lipid accumulation (after 7 days treatment, top of the table) and on gene expression (after 4 days treatment) relative to rosiglitazone control cells. Data are shown as % of positive control ± SEM (fat accumulation parameters) and fold change ± error (based on SEM, n = 6 - 15) for gene expression levels, respectively. Exemplarily, the fold changes of the genes FAS and PPARγ are shown as illustration. Fat droplet number equates to Spot Count/Object; fat droplet intensity equates to Spot Avg Intensity and fat droplet area equates to Spot Total Area/Object. Student's t-test: treatment versus control (*) p < 0.05, (**) p < 0.01, (***) p < 0.001. The average coefficient of variation (CV) for dCT values was less than 5% for all analysed genes at all concentration of the investigated compounds.