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Effect of early-life plane of nutrition on the transcriptional profile of the hypothalamic arcuate nucleus region in heifer calves

ABSTRACT: Effect of early-life plane of nutrition on the transcriptional profile of the hypothalamic arcuate nucleus region in heifer calves

PROVIDER: PRJNA642856 | ENA |

REPOSITORIES: ENA

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Effect of early-life plane of nutrition on the transcriptional profile of the hypothalamic arcuate nucleus region in heifer calves

Project description:The aim of this study was to examine alterations in the transcriptional profile of the arcuate nucleus region of the hypothalamus between heifer calves offered varying planes of nutrition during early life. Angus X Holstein-Friesian heifer calves (19 ± 5 days of age, BW: 51.2 ± 7.8 kg, mean ± SD) were offered a high (HP, n=14) or moderate plane of nutrition (MP, n=15) from 3 to 21 weeks of age to achieve a target growth rate of 1.2 kg/d and 0.5 kg/d, respectively. At 21 weeks of age, all calves were euthanized and the arcuate nucleus region of the hypothalamus of each calf recovered. RNA was extracted transcriptional profiles examined using RNAseq. Compared with calves on the moderate plane of nutrition, a High plane of nutrition altered the expression of 80 genes within the arucate nucleus. Functional analysis of differentially expressed genes revealed functions including organismal development, behaviour, endocrine system development and function, lipid metabolism, molecular transport, small molecule biochemistry, cellular development, cellular growth and proliferation, and nervous system development and function to be affected by early life plane of nutrition in the arucate nucleus of heifer calves.

2021-07-14 | GSE153498 | GEO

Effect of early-life plane of nutrition on the transcriptional profile of visceral adipose tissue in heifer calves

Project description:The aim of this study was to examine changes in the transcriptional profile of visceral adipose tissue in heifer calves offered varying planes of nutrition during the early life period. From approximately 3 weeks of age (19 ± 5 days of age) Angus X Holstein-Friesian heifer calves were offered either a high (HP, n=15) or moderate (MP, n=15) plane of nutrition to achieve target growth rates of 1.2 kg/d and 0.5 kg/d, respectively. After 18 weeks of differential feeding all calves were euthanized and visceral adipose tissue samples harvested from each calf. RNA was extracted and subsequently subjected to RNAseq analysis. A total of 1052 genes were identified as significantly differentially expressed between calves on the High plane of nutrition and those on the Moderate plane of nutrition. Biological pathway analysis revealed an enrichement from these genes for processes and pathways including Sirtuin signalling, oxidative phosphorylation and adipogenesis.

2021-05-12 | GSE158128 | GEO

Effect of early-life plane of nutrition on the transcriptional profile of the hypothalamus in heifer calves

Project description:The objective of this study was to examine changes in hypothalamic gene expression of heifer calves offered varying planes of nutrition during early life. Angus X Holstein-Friesian heifer calves (19 ± 5 days of age, BW: 51.2 ± 7.8 kg, mean ± SD) were offered a high (HP, n=14) or moderate plane of nutrition (MP, n=15) from 3 to 21 weeks of age to achieve a target growth rate of 1.2 kg/d and 0.5 kg/d, respectively. At 21 weeks of age, all calves were euthanized and the hypothalamus of each calf recovered. RNA was extracted and hypothalamic gene expression examined using RNAseq. Compared with calves on the moderate plane of nutrition, a HP of nutrition altered the expression of 39 transcripts in the hypothalamus. Biological pathway analysis revealed these differentially expressed genes to be involved in pathways including acute phase response signalling, STAT3 pathway, and tight junction signalling. Additionally, biological functions affected by early life plane of nutrition included cell-to-cell signalling and interaction, molecular transport, small molecule biochemistry, behaviour, nervous system development and function, nucleic acid metabolism, and cellular function and maintenance.

2021-07-14 | GSE153495 | GEO

Effect of early-life plane of nutrition on the hepatic transcriptional profile in heifer calves

Project description:The objective of this study was to examine changes in hepatic gene expression of heifer calves offered varying planes of nutrition during early life. At approximately 3 weeks of age (19 ± 5 days of age) Angus X Holstein-Friesian heifer calves were offered a high (HP, n=15) or moderate plane of nutrition (MP, n=15) to achieve target growth rates of 1.2 kg/d and 0.5 kg/d, respectively. After 18 weeks of differential feeding all calves were euthanized and the liver of each calf recovered. RNA was extracted and subsequently subjected to RNAseq analysis. A total of 591 genes were identified as significantly differentially expressed between HP and MP calves. Differentially expressed genes were involved in biological pathways and processes including those related to metabolism (amino acid, vitamin and mineral metabolism) as well as those involved in organ growth and development.

2022-05-11 | GSE162735 | GEO

Effect of early-life plane of nutrition on the hepatic transcriptional profile in heifer calves

Project description:Effect of early-life plane of nutrition on the hepatic transcriptional profile in heifer calves

| PRJNA682811 | ENA

Effect of early-life plane of nutrition on the transcriptional profile of the hypothalamus in heifer calves

Project description:Effect of early-life plane of nutrition on the transcriptional profile of the hypothalamus in heifer calves

| PRJNA642849 | ENA

Effect of early-life plane of nutrition on the transcriptional profile of visceral adipose tissue in heifer calves

Project description:Effect of early-life plane of nutrition on the transcriptional profile of visceral adipose tissue in heifer calves

| PRJNA664093 | ENA

A high plane of nutrition during early life alters the hypothalamic transcriptome of heifer calves.

Project description: Not available

| S-EPMC8263617 | biostudies-literature

Effect of early calf-hood nutrition on the transcriptomic profile of the HPT axis in Holstein-Friesian bulls

Project description:The aim of this study was to investigate the effect of early calf-hood nutrition on the transcriptomic profile of the arcuate nucleus of the hypothalamus, the anterior pituitary and the testes in Holstein-Friesian bulls and possible downstream effects on reproduction. Holstein Friesian bull calves with a mean (±S.D.) age and bodyweight of 19 (±8.2) days and 47.5 (±5.3) kg, respectively, were assigned to either a high (n=10) or low (n=10) plane of nutrition. Calves were fed in order to achieve an overall growth rate of 1.2 and 0.5 kg/day for the high and low plane of nutrition treatments, respectively. At 126 days of age, the bulls were euthanized using an intravenous overdose of sodium pentobarbitone and arcuate nucleus of the hypothalamus, anterior pituitary and the parenchyma of the testes tissue samples were harvested and RNAseq analysis was performed. At the end of the trial period,

2018-04-12 | GSE97673 | GEO

Maternal Plane Of Nutrition During Late Gestation And Weaning Age Alter Offspring Transcriptome Profiles Of Longissimus Muscle In Angus × Simmental

Project description:We evaluated if a higher plane of maternal nutrition during late gestation and weaning age alters the offspring’s Longissimus muscle (LM) transcriptome. A microarray analysis was performed in LM samples of early (EW) and normal weaned (NW) Angus × Simmental calves born from cows that were grazing endophyte-infected tall fescue/red clover pastures with no supplement (low plane of nutrition (LPN)), or supplemented with 2.3 kg of dried distiller’s grains with solubles and soyhulls (70% DDGS/30% soyhulls) (medium plane of nutrition (MPN)) during the last 90 days of gestation. Biopsies were harvested at 78, 187 and 354 days of age. Bioinformatics analysis highlighted that offspring transcriptome did not respond markedly to cow plane of nutrition, resulting in only 13 differentially expressed genes. However, weaning age and a high-starch diet strongly impacted the transcriptome, especially the immediate activation of the lipogenic program in EW steers. In addition, between 78 and 187 days of age, these animals had an activation of the innate immune system due presumably to macrophage infiltration in intramuscular fat. Between 187 and 354 days of age (i.e. the fattening phase), NW steers had an activation of the lipogenic transcriptome machinery, while EW steers had a clear gene transcription inhibition. The latter appears to have occurred through the epigenetic control of histone acetylases, which were down-regulated. Higher cow plane of nutrition alone affected 35 genes in the LM of steers that underscore the presence of a mechanism of macrophage infiltration likely originating from localized oxidative stress as a result of increased levels of hypoplasia and hypertrophy in LM.

2015-02-03 | GSE65560 | GEO

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