Differences in fetal longissimus muscle gene expression between low and high maternal nutrition
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ABSTRACT:
PROVIDER: PRJNA736038 | ENA |
REPOSITORIES: ENA
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Project description:Intra-uterine growth restriction (IUGR) and fetal overgrowth increase the risk of postnatal health. Maternal nutrition is the major intrauterine environmental factor that alters fetal weight. However, the mechanisms underlying maternal nutrition affect fetal development is not entirely clear. We developed a pig model and used isobaric tags for relative and absolute quantification (iTRAQ) to investigate alterations in the placental proteome were obtained from gilts in normal-energy-intake (Con) and high-energy-intake (HE) group, respectively.At 90 d of gestation, the heavy fetuses were found at the tubal ends and light fetuses at the cervical ends of the uterus in Con group and the heavy fetuses had higher glucose concentration than the light fetuses. However, a higher uniformity was noted in HE group. Placental promote between these two positions indicated that a total of 78 and 50 differentially expressed proteins were detected in Con and HE group, respectively. In Con group, these proteins related to lipid metabolism (HADHA, AACS, CAD), nutrient transport (GLUT, SLC27A1) and energy metabolism (NDUFV1, NDUFV2, ATP5C1). However, the differentially expressed proteins in HE group were mainly participation in transcriptional and translational regulation and intracellular vesicular transport.
2018-10-26 | PXD004951 | Pride
Project description:Maternal nutrition during different stages of pregnancy can induce significant changes in the structure, physiology, and metabolism of the offspring. These changes could have important implications on food animal production especially if these perturbations impact muscle and adipose tissue development. The objective of this study was to evaluate the effect of different maternal diets on the transcriptome of fetal tissues in sheep. Ewes were bred to a single sire and from days 67 ± 3 of gestation until necropsy (days 130 ± 1), they were fed one of three isoenergetic diets: alfalfa haylage (H; fiber), corn (C; starch), or dried corn distillers grains (D; fiber plus protein plus fat). Longissimus dorsi (M), subcutaneous adipose depot (S), and perirenal adipose depot (R) tissues from individual fetuses were pooled and then analyzed by RNA sequencing. A total of 26 fetuses were removed from 15 dams. From the fetuses three different tissues were collected including one muscle, longissimus dorsi muscle (M), and two adipose tissues, perirenal adipose depot (R) and subcutaneous adipose depot (S). The RNA samples from the 26 fetuses were pooled to generate four biological replicates per maternal diet and tissue. In particular, per each diet and tissue, two RNA pools were created from male fetuses and two RNA pools were created from female fetuses. Overall, a total of 36 pools (i.e., 12 pools per tissue, 3 tissues in total) underwent RNA extraction, library generation, and subsequent sequencing.
2014-11-04 | E-GEOD-62938 | biostudies-arrayexpress
Project description:Maternal nutrition during different stages of pregnancy can induce significant changes in the structure, physiology, and metabolism of the offspring. These changes could have important implications on food animal production especially if these perturbations impact muscle and adipose tissue development. The objective of this study was to evaluate the effect of different maternal diets on the transcriptome of fetal tissues in sheep. Ewes were bred to a single sire and from days 67 ± 3 of gestation until necropsy (days 130 ± 1), they were fed one of three isoenergetic diets: alfalfa haylage (H; fiber), corn (C; starch), or dried corn distillers grains (D; fiber plus protein plus fat). Longissimus dorsi (M), subcutaneous adipose depot (S), and perirenal adipose depot (R) tissues from individual fetuses were pooled and then analyzed by RNA sequencing.
2014-11-04 | GSE62938 | GEO
Project description:We hypothesized that poor maternal nutrition during gestation would reduce the growth and development of offspring muscle prenatally, reduce the number of myogenic progenitor cells, and result in changes in the global expression of genes involved in prenatal muscle development and function. Ewes were fed a control (100% NRC)-, restricted (60% NRC),- or over-fed (140% NRC) diet beginning at day 30 of gestation until day 45, 90, and 135 of gestation or until parturition. In offspring, we report altered secondary: primary muscle fiber ratios and percent PAX7 positive cells during fetal development. In addition, changes in muscle mRNA expression were observed between maternal dietary treatments and over timepoints during gestation. In conclusion, poor maternal nutrition during gestation contributes to altered offspring muscle growth during early fetal development which persists throughout the fetal stage.
2019-12-01 | GSE124327 | GEO
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
Project description:There is a growing body of evidence that inadequate maternal nutrition during gestation can have immediate and life-long effects on offspring. However, little is known about the reproductive effects of maternal gestational nutrition in offspring males. Here, using a sheep model of poor maternal nutrition (restricted- or over-feeding) during gestation, we found that poor maternal gestational nutrition does not affect semen characteristics (i.e. volume, sperm concentration, pH, sperm motility, sperm morphology) and scrotal circumference in offspring. However, by evaluating associations between poor maternal gestational nutrition and altered small non-cording RNAs (sncRNAs) and DNA methylation in offspring sperm, we demonstrated that poor maternal gestational nutrition alters sperm sncRNA composition and expression. Whole genome bisulfite sequencing further identified genomic regions with increased or decreased DNA methylation in sperm in response to poor maternal gestational nutrition. These findings imply that maternal diet-induced epigenetic errors can accumulate in sperm to worsen developmental outcomes of future generations.
2024-04-04 | GSE225985 | GEO
Project description:There is a growing body of evidence that inadequate maternal nutrition during gestation can have immediate and life-long effects on offspring. However, little is known about the reproductive effects of maternal gestational nutrition in offspring males. Here, using a sheep model of poor maternal nutrition (restricted- or over-feeding) during gestation, we found that poor maternal gestational nutrition does not affect semen characteristics (i.e. volume, sperm concentration, pH, sperm motility, sperm morphology) and scrotal circumference in offspring. However, by evaluating associations between poor maternal gestational nutrition and altered small non-cording RNAs (sncRNAs) and DNA methylation in offspring sperm, we demonstrated that poor maternal gestational nutrition alters sperm sncRNA composition and expression. Whole genome bisulfite sequencing further identified genomic regions with increased or decreased DNA methylation in sperm in response to poor maternal gestational nutrition. These findings imply that maternal diet-induced epigenetic errors can accumulate in sperm to worsen developmental outcomes of future generations.
2024-04-04 | GSE225924 | GEO