Pregnancy Diet
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB44513 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR5773260_1.fastq.gz | Fastqsanger.gz | |||
| ERR5773260_2.fastq.gz | Fastqsanger.gz | |||
| ERR5773270_1.fastq.gz | Fastqsanger.gz | |||
| ERR5773270_2.fastq.gz | Fastqsanger.gz | |||
| ERR5773280_1.fastq.gz | Fastqsanger.gz |
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Project description:The present study aimed to examine the effect of high-fat diet prior to pregnancy on the liver of mouse offspring. Female C57BL/6J mice were fed a normal chow (15.2% fat by energy) (CTR and CTR-PP groups) or a high-fat chow (31.2% fat by energy) (HFD and HFD-PP groups) for 3−4 weeks and then mated with male C57BL/6J mice fed normal chow. Some mothers continued on the same diet until pups reached 21 days of age (CTR and HFD), and others were fed the different chows from gestational day 0 (CTR-PP and HFD-PP) to determine the effects of a high-fat diet during the pre-pregnancy period in HFD-PP/CTR and HFD/CTR-PP comparisons. RNA sample was taken from liver of 3-week-old mouse prenatally received high-fat diet prior to pregnancy, during pregnancy and lactation, or through prior to and during pregnancy and lactation, while control RNA was taken from control counterpart prenatally received normal diet alone. Comparisons among groups were made by one-color method with normalized data from Cy3 channels for data analysis.
2013-06-18 | E-GEOD-48014 | biostudies-arrayexpress
Project description:Maternal over- and undernutrition in pregnancy plays a critical role in fetal brain development and function. The effects of different maternal diet compositions on intrauterine programming of the fetal brain in the absence of maternal obesity or maternal undernutrition is a lesser-explored area. The goal of this study was to investigate the impact of two different maternal diets on fetal brain gene expression signatures, fetal/neonatal growth, and neonatal behavior in a mouse model. Female C57Bl/6J mice were fed one of two commercially-available chow diets (pelleted vs. powdered) with differing micronutrient and carbohydrate compositions throughout pregnancy and lactation. The powdered chow diet was richer in carbohydrates and lower in micronutrients than the pelleted chow diet, among other differences. On embryonic day 15.5, embryos were weighed and measured. Fetal brains were snap frozen. RNA was extracted from fetal forebrains for five fetuses per diet group and hybridized to whole genome expression microarrays. Functional analyses identified significant upregulation of canonical pathways and upstream regulators involved in cell cycle regulation, synaptic plasticity, and sensory nervous system development in the fetal brain, and significant downregulation of pathways related to cell and embryo death. Pathways related to DNA damage response, humoral and cell-mediated immune response, carbohydrate and lipid metabolism, small molecule biosynthesis, and amino acid metabolism were also dysregulated. Maternal dietary content is an important variable for researchers evaluating fetal brain development and offspring behavior to consider. Selection of a chow diet matched for micronutrients is crucial to avoid unexpected or undesired effects on offspring brain development and behavior.
2019-12-06 | GSE133525 | GEO
Project description:The present study aimed to examine the effect of high-fat diet prior to pregnancy on the liver of mouse offspring. Female C57BL/6J mice were fed a normal chow (15.2% fat by energy) (CTR and CTR-PP groups) or a high-fat chow (31.2% fat by energy) (HFD and HFD-PP groups) for 3−4 weeks and then mated with male C57BL/6J mice fed normal chow. Some mothers continued on the same diet until pups reached 21 days of age (CTR and HFD), and others were fed the different chows from gestational day 0 (CTR-PP and HFD-PP) to determine the effects of a high-fat diet during the pre-pregnancy period in HFD-PP/CTR and HFD/CTR-PP comparisons.
2013-06-18 | GSE48014 | GEO
Project description:Maternal Pregnancy Diet Effect on Fetal Brain Transcriptome
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Project description:During pregnancy, a high-fructose diet (HFrD) exacerbates gestational insulin resistance and is associated with an increased risk of gestational diabetes. The relationship between liver ChREBP and gestational insulin resistance remains unknown. To address this question, we fed pregnant hChrebp-KO mice and wild-type mice a high-fructose diet, and on the 17th day of pregnancy, we extracted liver tissue from the mice and conducted comparative transcriptomic analysis to elucidate the role of liver ChREBP in gestational insulin resistance."
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Project description:Maternal obesity has long-term effects on offspring metabolic health. Among the potential mechanisms, prior research has indicated potential disruptions in circadian rhythms and gut microbiota in the offspring. To challenge this hypothesis, we implemented a maternal high fat diet regimen before and during pregnancy, followed by a standard diet after birth. Our findings confirm that maternal obesity impacts offspring birth weight and glucose and lipid metabolisms. However, we found minimal impact on circadian rhythms and microbiota that are predominantly driven by the feeding/fasting cycle. Notably, maternal obesity altered rhythmic liver gene expression, affecting mitochondrial function and inflammatory response without disrupting the hepatic circadian clock. These changes could be explained by a masculinisation of liver gene expression similar to the changes observed in polycystic ovarian syndrome. Intriguingly, such alterations seem to provide the first-generation offspring with a degree of protection against obesity when exposed to a high fat diet.
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Project description:Analysis of gene expression in uterine natural killer cells purified from control, diet-induced obese and diet-induced obese resistant female mice. The aim of the study is to identify differentially expressed genes and pathways in uterine natural killer cells affected by maternal diet and obesity in pregnancy.
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Project description:Rats were fed either a control diet or high fat and refined sugar (HFS) diet and hippocampus was resected for proteomic analysis
2012-09-14 | PXD000028 | Pride
Project description:This dataset contains proteomic data from mice with high or low weight gain in response to a high fat diet. Both host and microbial proteins are present. In the supplemental, there are also tables and supplementary files that can be used for replicating the bioinformatic analysis.
Abstract:
Consumption of refined high-fat, low-fiber diets promotes development of obesity and its associated consequences. While genetics play an important role in dictating susceptibility to such obesogenic diets, mice with nearly uniform genetics exhibit marked heterogeneity in their extent of obesity in response to such diets. This suggests non-genetic determinants play a role in diet-induced obesity. Hence, we sought to identify parameters that predict, and/or correlate with, development of obesity in response to an obesogenic diet. We assayed behavior, metabolic parameters, inflammatory markers/cytokines, microbiota composition, and the fecal metaproteome, in a cohort of mice (n=50) prior to, and the 8 weeks following, administration of an obesogenic high-fat low-fiber diet. Neither behavioral testing nor quantitation of inflammatory markers broadly predicted severity of diet-induced obesity. Although, the small subset of mice that exhibited basal elevations in serum IL-6 (n=5) were among the more obese mice in the cohort. While fecal microbiota composition changed markedly in response to the obesogenic diet, it lacked the ability to predict which mice were relative prone or resistant to obesity. In contrast, fecal metaproteome analysis revealed functional and taxonomic differences among the proteins associated with proneness to obesity. Targeted interrogation of microbiota composition data successfully validated the taxonomic differences seen in the metaproteome. While future work will be needed to determine the breadth of applicability of these associations to other cohorts of animals and humans, this study nonetheless highlights the potential power of gut microbial proteins to predict and perhaps impact development of obesity.
2019-06-04 | MSV000083891 | MassIVE
Project description:Changes in microbiome composition have been associated with a wide array of human diseases, turning the human microbiota into an attractive target for therapeutic intervention. Yet clinical translation of these findings requires the establishment of causative connections between specific microbial taxa and their functional impact on host tissues. Here, we infused gut organ cultures with longitudinal microbiota samples collected from therapy-naïve irritable bowel syndrome (IBS) patients under low-FODMAP (fermentable Oligo-, Di-, Mono-saccharides and Polyols) diet. We show that post-diet microbiota regulates intestinal expression of inflammatory and neuro-muscular gene-sets. Specifically, we identify Bifidobacterium adolescentis as a diet-sensitive pathobiont that alters tight junction integrity and disrupts gut barrier functions. Collectively, we present a unique pathway discovery approach for mechanistic dissection and identification of functional diet-host-microbiota modules. Our data support the hypothesis that the gut microbiota mediates the beneficial effects of low-FODMAP diet and reinforce the potential feasibility of microbiome based-therapies in IBS.
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