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Proteomic analysis of two weight classes of mule duck “foie gras” at the end of an overfeeding period

Abstract : The weight of the liver is one of the important selection criteria in the quality of "foie gras". This factor is highly variable despite the fact that individuals are reared, overfed and slaughtered in the same way. In this study, we performed an analysis of the proteome profile of two weight classes of light (between 550 and 599 g) and heavy (more than 700 g) livers. For the analysis of the proteic extracts, a liquid chromatographic analysis coupled with mass spectrometry was carried out. In low-weight livers, aerobic energy metabolism, protein metabolism and lipid metabolism oriented toward export and beta-oxidation were overexpressed. On the contrary, high weight livers were characterized by anaerobic energy metabolism and a more active protein catabolism associated with cell apoptosis and reorganization of the cell structure.
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https://hal.inrae.fr/hal-03265585
Contributor : Pascal Lallemant <>
Submitted on : Monday, June 21, 2021 - 9:22:20 AM
Last modification on : Friday, September 10, 2021 - 2:52:09 PM

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Bara Lo, Nathalie Marty-Gasset, Carole Pichereaux, Céline Bravo, Hélène Manse, et al.. Proteomic analysis of two weight classes of mule duck “foie gras” at the end of an overfeeding period. Frontiers in Physiology, Frontiers, 2020, 11, pp.1-13. ⟨10.3389/fphys.2020.569329⟩. ⟨hal-03265585⟩

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