Gene Expression Changes in Chicken Liver During Fasting
Author Information
Author(s): Désert Colette, Duclos Michel J, Blavy Pierre, Lecerf Frédéric, Moreews François, Klopp Christophe, Aubry Marc, Herault Frédéric, Le Roy Pascale, Berri Cécile, Douaire Madeleine, Diot Christian, Lagarrigue Sandrine
Primary Institution: INRA, UMR 598, Génétique Animale, Rennes, France
Hypothesis
The study aims to describe the evolution of global gene expression profiles in the liver of chickens during a fasting period.
Conclusion
The study shows that numerous genes are altered by starvation in chickens, indicating a global repression of cellular activity in response to fasting.
Supporting Evidence
- 3532 genes were modulated by fasting with a significant p-value.
- 2062 genes showed an amplitude of variation higher than +/- 40%.
- More genes were down-regulated than up-regulated during fasting.
Takeaway
When chickens don't eat for a while, many of their liver genes change how they work, which helps the chickens manage their energy better.
Methodology
The study used a 20 K oligoarray to analyze gene expression in the liver of 4-week-old male chickens during 0, 16 h, and 48 h of fasting.
Limitations
The study may have limitations in the generalizability of findings to other species and the potential for false negatives in microarray analyses.
Participant Demographics
4-week-old male chickens
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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