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Accession IconE-MTAB-4507

Transcription profiling of chicken liver after alpha- and gamma-tocopherol supplementation in case of increased oxidative stress susceptibility

Organism Icon Gallus gallus
Sample Icon 20 Downloadable Samples
Technology Badge Icon Affymetrix Chicken Genome Array (chicken)

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Description
A 30-day nutritional trial in broiler chickens (Ross 308) was conducted to investigate how specific forms of vitamin E (α- and γ-tocopherol) and their combination impact liver gene expression when oxidative susceptibility of the organism is induced by high n-3 polyunsaturated fatty acids (PUFA) intake. Thirty-six one-day-old male broilers were fed a diet enriched with 5 % linseed oil to induce oxidative susceptibility. Beside negative (N) and positive (P) control group, experimental groups were supplemented with either: 67 mg/kg RRR-α-tocopherol (A), 67 mg/kg RRR-γ-tocopherol (G) or with combination of 33.5 mg/kg of each tocopherol (S). Whole chicken genome microarray analysis was performed on liver RNA and selected differentially expressed genes were confirmed by qRT-PCR.
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