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RNA-seq of perirenal adipose tissue and fat tail from Assaf suckling lambs

ABSTRACT: RNA-seq of perirenal adipose tissue and fat tail from Assaf suckling lambs

PROVIDER: PRJEB93877 | ENA |

REPOSITORIES: ENA

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RNA-Seq of perirenal adipose tissue of Assaf suckling lambs

Project description:Samples of perirenal fat tissue from 8 Assaf breed suckling lambs. These animals were selected from a larger group of 17 Assaf suckling lambs for which carcass traits were measured. The 8 selected lambs were those showing the highest and the lowest values, from the larger group, for the percentage of perirenal and cavitary fat relative to the half carcass weight. Hence, considering the values for this trait, we defined the High-PF group (n = 4; average: 3.23 ± 0,.47) and the Low-PF group (n = 4; 1.65 ± 0,.16), respectively.

2023-04-25 | E-MTAB-11839 | biostudies-arrayexpress

RNA-seq of perirenal fat from male and female Assaf suckling lambs

Project description:In sheep, differences were observed regarding fat accumulation and fatty acid composition between males and females, which may impact the quality and organoleptic characteristics of the meat. The analysis of omics technologies is a relevant approach for investigating biological and genetic mechanisms associated with complex traits. Here, the perirenal tissue of six male and six female Assaf suckling lambs was evaluated using RNA sequencing.

2022-10-12 | E-MTAB-12130 | biostudies-arrayexpress

Suckling lamb perirenal fat transcriptome

Project description:The aim of this study was to perform a comparative analysis of the perirenal fat transcriptomes of suckling lambs from two breeds with different growth and carcass characteristics. The perirenal fat tissue from 14 suckling lambs (Assaf= 8, Churra= 6) was used for the RNA-Seq analysis. The functional enrichment analysis of the 670 highly expressed genes (>150 fragments per kilobase of exon per million fragments mapped) in the perirenal fat transcriptome of both breeds revealed that the majority of these genes were involved in energy processes. The differential expression analysis performed identified 373 differentially expressed genes (DEGs) between the two compared breeds. In Assaf lambs, DEGs were enriched in Gene Ontology (GO) biological processes related to fatty-acid oxidation, while in Churra lambs, the majority of the significantly enriched GO terms were related to cholesterol synthesis, which suggests that upregulated DEGs in Assaf lambs are implicated in fat burning, while the Churra upregulated DEGs are linked to fat accumulation.

2018-07-18 | GSE108314 | GEO

RNA-Seq of perirenal adipose tissue of Assaf suckling lambs

Project description:RNA-Seq of perirenal adipose tissue of Assaf suckling lambs

| PRJEB53616 | ENA

RNA-seq of perirenal fat from male and female Assaf suckling lambs

Project description:RNA-seq of perirenal fat from male and female Assaf suckling lambs

| PRJEB55676 | ENA

Whole-Genome Bisulfite Sequencing analysis of perirenal fat of Assaf suckling lambs from ewes subjected to nutritional challenge and control ewes

Project description:Whole-Genome Bisulfite Sequencing analysis of perirenal fat of Assaf suckling lambs

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Suckling lamb perirenal fat transcriptome

Project description:Suckling lamb perirenal fat transcriptome

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RNA-Seq of perirenal adipose tissue of Assaf suckling lambs whose dam were subjected to a dietary protein restriction at prepubertal age

Project description:RNA-Seq of perirenal adipose tissue of Assaf suckling lambs whose dam were subjected to a dietary protein restriction at prepubertal age

| PRJEB88133 | ENA

Liver transcriptomic and proteomic profiles of preweaning lambs are modified by milk replacer restriction

Project description:Purpose: The present study was designed to identify both differentially expressed (DE) genes and differences in proteins accumulated in the liver tissues of suckling female lambs, thus trying to identify modified metabolic pathways as a consequence of milk restriction during the suckling period. Methods: Forty Assaf lambs (average BW 4.7 kg) were penned individually, twenty of them were fed milk replacer (200 g dry matter/L) ad libitum (ADL; 192 mL/kg LBW) whereas the other group (restricted, RES) only received 120 mL/kg LBW. When they were 35 days old, four animals per group were slaughtered (8 lambs in total) and a piece of liver was excised for transcriptomic analysis. The liver transcriptome analysis was carried out using RNA sequencing methodology (RNA-seq). Results: 386 DE genes were identified by RNA-seq, 198 of them being annotated genes in the KEGG pathway. Positive values of log2-fold change (log2FC) indicated that 210 genes were up-regulated in the liver of RES relative to the ADL group, whereas negative log2FC values denoted the down-regulation of 176 genes (P < 0.05). Conclusions: According to the data obtained, a restricted milk intake during the suckling period of replacement lambs affects hepatic transcriptome and proteome associated with an altered metabolism of lipids and proteins, thus reducing feed efficiency of replacement period.

2018-12-16 | GSE110192 | GEO

Liver transcriptomic and plasma metabolic profile of fattening lambs is modified by feed restriction during the suckling period.

Project description:Purpose: The present study was designed to identify both differentially expressed (DE) genes in the liver tissues of fattening Merino lambs and differences in metabolites accumulated in plasma, thus trying to identify modified metabolic pathways as a consequence of milk restriction during the suckling period. Methods: Twenty-four male Merino lambs were assigned to 2 different groups (n=12 per dietary treatment). The first group (ad libitum, ADL) was kept permanently with the dams whereas the other group (restricted, RES) was milk restricted. When they reached 15 kg of live body weight, all the lambs were offered the same complete pelleted diet at the same level to ensure no differences in dry matter intake. All the lambs were slaughtered with 27 kg. For transcriptomic analysis, 4 liver samples representative from each group (8 samples in total) were selected for RNA sequencing methodology (RNA-seq). Results: 38 DE annotated genes were identified by RNA-seq, with 23 DE genes being down-regulated and 15 up-regulated in the liver of RES relative to the ADL group (P < 0.10). In general, those genes and pathways involved in protein synthesis or protease inhibitors were down-regulated in the RES group, whereas those related to proteolytic degradation were up-regultated, thus suggesting a higher catabolism of proteins in these lambs. Contrarily, RES lambs showed over-expression of xenobiotic metabolism pathways, whereas those genes related to β-oxidation of fatty acids were down expressed. Conclusions: According to the data obtained, early feed restriction during the suckling period of Merino lambs promoted long-term effects on hepatic transcriptomic profile and plasma metabolic profile wich might have modified fatty acids metabolism, catabolism of proteins and detoxification of xenobiotics, thus reducing feed efficiency of fattening period.

2018-05-15 | GSE107064 | GEO

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