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Nutrigenomic Effects of Long-Term Grape Pomace Supplementation in Dairy Cows.


ABSTRACT: The increasing demand for more animal products put pressure on improving livestock production efficiency and sustainability. In this context, advanced animal nutrition studies appear indispensable. Here, the effect of grape pomace (GP), the polyphenol-rich agricultural by-product, was evaluated on Holstein-Friesian cows' whole-blood transcriptome, milk production and composition. Two experimental groups were set up. The first one received a basal diet and served as a control, while the second one received a 7.5% GP-supplemented diet for a total of 60 days. Milk production and composition were not different between the group; however, the transcriptome analysis revealed a total of 40 genes significantly affected by GP supplementation. Among the most interesting down-regulated genes, we found the DnaJ heat-shock protein family member A1 (DNAJA1), the mitochondrial fission factor (MFF), and the impact RWD domain protein (IMPACT) genes. The gene set enrichment analysis evidenced the positive enrichment of 'interferon alpha (IFN-?) and IFN-? response', 'IL6-JAK-STAT3 signaling' and 'complement' genes. Moreover, the functional analysis denoted positive enrichment of the 'response to protozoan' and 'negative regulation of viral genome replication' biological processes. Our data provide an overall view of the blood transcriptomic signature after a 60-day GP supplementation in dairy cows which mainly reflects a GP-induced immunomodulatory effect.

SUBMITTER: Pauletto M 

PROVIDER: S-EPMC7222749 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Nutrigenomic Effects of Long-Term Grape Pomace Supplementation in Dairy Cows.

Pauletto Marianna M   Elgendy Ramy R   Ianni Andrea A   Marone Elettra E   Giantin Mery M   Grotta Lisa L   Ramazzotti Solange S   Bennato Francesca F   Dacasto Mauro M   Martino Giuseppe G  

Animals : an open access journal from MDPI 20200419 4


The increasing demand for more animal products put pressure on improving livestock production efficiency and sustainability. In this context, advanced animal nutrition studies appear indispensable. Here, the effect of grape pomace (GP), the polyphenol-rich agricultural by-product, was evaluated on Holstein-Friesian cows' whole-blood transcriptome, milk production and composition. Two experimental groups were set up. The first one received a basal diet and served as a control, while the second on  ...[more]

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