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Genome-wide analysis of gene expression in adipose tissue of female mice after continuous high fat diet feeding

ABSTRACT: Analysis of gene expression in adipose tissue of female mice after continuous high fat diet (HFD) feeding for three generations. The hypothesis in this study is that continuous HFD feeding has transgenerational amplification effects to the offspring. Results provide important information on the impacts of over-nutrition over one generation on the offspring, such as transgenerational up-regulated or down-regulated genes.

ORGANISM(S): Mus musculus

PROVIDER: GSE37238 | GEO | 2013/05/10

SECONDARY ACCESSION(S): PRJNA158967

REPOSITORIES: GEO

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Genome-wide analysis of gene expression in adipose tissue of female mice after continuous high fat diet feeding

Project description:Analysis of gene expression in adipose tissue of female mice after continuous high fat diet (HFD) feeding for three generations. The hypothesis in this study is that continuous HFD feeding has transgenerational amplification effects to the offspring. Results provide important information on the impacts of over-nutrition over one generation on the offspring, such as transgenerational up-regulated or down-regulated genes. Total RNA was obtained from adipose tissue of the HFD fed mice, including F0, F1 and F2 generations. Normal chow fed mice were used as controls.

2013-05-10 | E-GEOD-37238 | biostudies-arrayexpress

Maternal gestational nutrition perturbs offspring sperm epigenome in sheep [ncRNA-seq]

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

Maternal gestational nutrition perturbs offspring sperm epigenome in sheep [BiSulfite-seq]

2024-04-04 | GSE225924 | GEO

Effects of acute maximal exercise and high-fat feeding on the mouse skeletal muscle transcriptome

Project description:Physical inactivity and over-nutrition are key risk factors for metabolic diseases, with impaired skeletal muscle gene transcription and metabolic function proposed as key etiological factors. Here, we have used RNA-seq to assessed the skeletal muscle transcriptome from mice fed a control or high fat diet (HFD), both pre- and 3h post-exercise. HFD up-regulated genes involved in lipid catabolism in skeletal muscle (quadriceps), while decreasing 241 exercise-responsive genes related to skeletal muscle plasticity. Collectively, this experimental approach provides a suitable resource to study transcriptional and metabolic networks in skeletal muscle in the context of health and disease.

2017-10-31 | GSE97718 | GEO

The ancestral western diet causes transgenerational increase in offspring feeding behavior with parallel alterations in brain mitochondrial proteome and miRNAs.

Project description:Childhood obesity traces its roots to the parental lifestyle and eating habits. Familial clustering of obesity indicates that children’s feeding behavior is a result of a complex interplay between cultural inheritance, genetics, and epigenetics. In the current study, we asked a question if epigenetic factors, such as ancestral diet, could program offspring feeding behavior in a fruit fly model. Here we show that ancestral caloric overload produces a generational shift in the offspring’s feeding behavior, with a concomitant alteration in activity, triglycerides, and brain mitochondrial density. Mechanistically, we find the generational changes to be associated with alterations in brain mitochondrial proteome and miRNAs. The findings identify ancestral nutrition as a critical factor in the generational programming of feeding behavior.

2023-04-22 | PXD033363 | JPOST Repository

Maternal multi-generational high fat diet (HFD) exposure increases the offspring HCC incidence

Project description:Purpose: To investiagte why maternal obesity induces the susceptibility of offspring to diethylnitrosamine (DEN)-induced hepatocellular carcinoma (HCC) over generations upon over nutrition.The goals of this study are to find over-generationally altered genes and miRNAs which may contribute the accumulative progeny susceptibility to HCC under over nutrition. Methods: C57BL/6 female mice (F0 generation) were fed with either normal chow (NC) or HFD (60% kcal fat) from 1-month to 3-month old, and mated with NC-fed male mice to produce F1 generation. The F2 generation was similarly created. Male offspring of the F0, F1 and F2 generations were intraperitoneally injected with DEN at 2-weeks-old, and kept inmaintained on HFD and named as H1D, H2D and H3D groups, respectively. Male offspring of the F0 generation injected with PBS (Nor group) or DEN (NCD group) at the same age and kept inmaintained on NC. All groups were sacrificed at 40-weeks-old. Liver mRNA profiles and miRNA profiles from the different offspring groups were generated by LncRNA sequencing and small RNA sequencing. Results: We identified many over-generationally changed genes and miRNAs in the offspring by RNA-sequencing. Conclusions: The study revealed an important role of miRNA and targeting genes in regulating the incidence of HCC in the offspring of maternal-lineage under multi-generational HFD exposure, which has a profound effect on exploring the link between maternal obesity and the development of diseases in offspring.

2021-07-01 | GSE117539 | GEO

Lactational exposure to high fat diet

Project description:To understand how gonadal adpose tissue is altered via maternal HFD feeding, we fed dams a 60% HFD only during weaning. These data are from the offspring, both control and HFD fed male mice

2023-12-08 | GSE227337 | GEO

Maternal Undernutrition Results in Transcript Changes in Male Offspring that May Promote Resistance to High Fat Diet Induced Weight Gain

Project description:Maternal nutrition during embryonic development and lactation influences multiple aspects of offspring health. Using mice, this study investigates the effects of maternal caloric restriction (CR) during mid-gestation and lactation on offspring neonatal development and on adult metabolic function when challenged by a high fat diet (HFD). The CR maternal model produced male and female offspring that were significantly smaller, in terms of weight and length, and females had delayed puberty. Adult offspring born to CR dams had a sexually dimorphic response to the high fat diet. Compared to offspring of maternal control dams, adult female, but not male, CR offspring gained more weight in response to high fat diet at 10 weeks. In adipose tissue of male HFD offspring, maternal undernutrition resulted in blunted expression of genes associated with weight gain and increased expression of genes that protect against weight gain. Regardless of maternal nutrition status, HFD male offspring showed increased expression of genes associated with nonalcoholic liver disease (NAFLD). Furthermore, we observed significant, sexually dimorphic differences in serum TSH. These data reveal tissue- and sex-specific changes in gene and hormone regulation following mild maternal undernutrition, which may offer protection against diet induced weight gain in adult male offspring.

2024-01-04 | GSE247985 | GEO

Phosphoribotrap-based profiling of activated hypothalamic cells during acute high-fat diet (HFD)-feeding

Project description:To identify novel neurocircuits activated upon short-term HFD feeding, we employed phosphoribotrap-profiling, which allows for the unbiased identification of alterations in neuronal activation via immunoprecipitation of phosphorylated S6 ribosomal protein-tagged ribosomes from hypothalamic extracts of mice exposed to either 3 days of normal chow diet or HFD-feeding. We have analyzed mRNA selectively expressed in hypothalamic cells activated by a either normal chow diet (NCD)-feeding for 3 days or high fat diet (HFD)-feeding for 3 days. 10-week-old male C57/BL6N mice were put either on a normal chow diet or a high fat diet for 3 days. Afterwards, mice were sacrificed by cervical dislocation. The hypothalamus was rapidly dissected using a stainless steel brain matrix and immediately frozen in liquid nitrogen. Hypothalamic tissues were pooled (8 per IP).

2020-04-16 | GSE137737 | GEO

DICER is downregulated in mouse adipose tissue during high-fat diet feeding

Project description:The adipose tissue plays an important role in controlling whole-body energy balance, and proper regulation of adipose tissue function is essential for metabolic health. In response to energy surplus, the adipose tissue needs to expand, which may lead to local areas of hypoxia within the tissue. This is thought to promote whole-body insulin resistance. Here we report that DICER, a key enzyme in the maturation of miRNAs and a potential marker of adipocyte health, is profoundly downregulated in mouse adipose tissue within the first week of high-fat diet (HFD) feeding, and this effect is sustained in response to long-term HFD feeding. The downregulation of DICER protein occurs in both mature adipocytes and in the stromal vascular cells. Mechanistically, we provide evidence that hypoxia and hypoxia-inducible factor 1-α (HIF1α) facilitate ubiquitination of DICER to target it for autophagy-mediated degradation, and we show that DICER and HIF1α interact in adipose tissue after HFD feeding, which may signal for DICER degradation. Finally, despite reductions in DICER protein, we were not able to detect any differences in global miRNA levels in subcutaneous adipose tissue of mice after one or three weeks of HFD-feeding. In conclusion, the nutritional challenge of HFD feeding in mice leads to a large reduction in adipose tissue DICER protein, which is induced by hypoxia during tissue expansion and mediated through an interaction with HIF1α.

2024-11-12 | GSE254511 | GEO

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