Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1129137 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR29621900_1.fastq.gz | Fastqsanger.gz | |||
| SRR29621900_2.fastq.gz | Fastqsanger.gz | |||
| SRR29622000_1.fastq.gz | Fastqsanger.gz | |||
| SRR29622000_2.fastq.gz | Fastqsanger.gz | |||
| SRR29621901_1.fastq.gz | Fastqsanger.gz |
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Project description:Purpose: NGS was used to determine if a distinct transcriptomic profile is observed among the experimental mice fed four different dietary components. Methods: We carried out RNA-Seq analysis of ileum tissue from 6 weeks male mice ad libitum fed for 10 weeks a high liquid sugar (23% (w/v)) or/and high fat (60% Kcal from fat) diet. The combined effect of sugar drink and high fat diet (HF-Sugar) was compared with sugar drink only (NF-Sugar), or high fat diet only (HF), or control diet that was plain water and normal fat diet (NF). Results: RNA-Seq revealed sample-specific clusters that included genes responding to each experimental diet. We found only addition of sugar drink to high fat group (HF-Sugar) not NF-Sugar and HF, there was a significant enrichment in biological functions relating to Inflammatory/Immune Responses, especially including dendritic cell (DC) and T cell related signaling pathway. Conclusions: Taken together, our data demonstrate that sugar drink synergistically promotes and exacerbates inflammatory responses driven by the high fat diet.
2021-11-25 | GSE140972 | GEO
Project description:Maternal overnutrition increases inflammatory and metabolic disease risk in postnatal offspring. This constitutes a major public health concern due to the increasing prevalence of these diseases yet the mechanisms remain unclear. Here, using nonhuman primate models, we show that maternal Western-style diet (mWSD) exposure is associated with persistent pro-inflammatory phenotypes at the transcriptional, metabolic, and functional levels in bone marrow-derived macrophages (BMDMs) from 3-year-old juvenile offspring and in hematopoietic stem and progenitor cells (HSPCs) from fetal and juvenile bone marrow and fetal liver. mWSD exposure is also associated with increased oleic acid in fetal and juvenile bone marrow and fetal liver. ATAC-seq profiling of HSPCs and BMDMs from mWSD-exposed juveniles supports a model in which HSPCs transmit pro-inflammatory memory to myeloid cells beginning in utero. These findings demonstrate that maternal diet alters long-term immune cell developmental programming in HSPCs with proposed consequences for chronic diseases featuring altered immune/inflammatory activation across the lifespan.
2023-03-13 | GSE219095 | GEO
Project description:A high-sugar diet induces lifestyle-associated metabolic diseases, such as obesity and diabetes, which may underlie the pro-tumor effects of a high-sugar diet. We supplied GL261 syngeneic glioblastoma (GBM) model mice with a short-term high-glucose diet (HGD) and found an increased survival rate with no evidence of metabolic disease. Modulation of the gut microbiota by an HGD was critical for enhancing the anti-tumor immune response. Single-cell RNA sequencing showed that modulation of the gut microbiota by an HGD increased the T cell-mediated anti-tumor immune response in GBM mice. We found that the cytotoxic CD4+ T cell population in GBM mice increased due to synergy with anti-PD-1 immune checkpoint inhibitors, but this depended on an HGD. Thus, we determined that an HGD enhanced anti-tumor immune responses in GBM mice through changes in the gut microbiota and suggest that the role of an HGD in GBM should be re-examined.
2023-09-19 | GSE222192 | GEO
Project description:High sugar consumption, as well as high-fat diet, is a known cause of obesity and metabolic syndrome. However, the synergistic effect of high-sugar and high-fat consumption rarely has been evaluated, especially in terms of transcriptional regulation. Therefore, we focused on the effect of high sugar consumption on hepatic transcriptional networks in normal and high fat-fed mice. C57BL/6J mice were divided into four groups and were provided either 23%(w/v) sugar solution or plain water with either high-fat or normal-fat diet for 10 weeks. As a result, high sugar consumption significantly altered lipid metabolism-related genes in normal fat-fed mice; however, in high fat-fed mice, high sugar consumption altered inflammation-responsive genes rather than lipid metabolism. After all, these modulations eventually increased lipid accumulation in the liver and caused systemic metabolic disturbances. These observations for the first time suggested that high sugar consumption along with high-fat diet could lead to the development of severe metabolic syndrome via altering hepatic transcriptional networks.
2017-01-01 | GSE70477 | GEO
Project description:Transcriptome of GCKR-P446L-EMI-B6N on a high-fat high-sugar diet
2023-04-19 | GSE228698 | GEO
Project description:The objective of the experiment was to dissect the effects of a high-fat diet on juvenile adipose tissue gene expression under conditions of excess calorie intake versus normal calorie intake in comparison to a standard low-fat diet. For this purpose juvenile mice were fed (A) a standard low-fat diet (CD), (B) a high-fat diet ad libitum (excess calorie intake) (HFD) and (C) a high-fat diet with calorie consumption restricted to the calorie consumption of the CD diet (R-HFD). RNA expression was profiled after 1 week of feeding in the periuterine fat depot.
2019-04-09 | E-MTAB-7755 | biostudies-arrayexpress
Project description:Rats fed a 20%-maple syrup diet (maple syrup group) for 11 days showed significantly lower values of the hepatic function markers than those fed a 20%-sugar mix syrup diet (control) likewise. One reasons was suggested by DNA microarray analysis which revealed that the expression of genes for enzymes of ammonia production were down-regulated in the liver of maple syrup group. Rats were quarantined and conditioned by administration of the authentic AIN93G diet for 4 days. Rats had free access to the diet and drinking water during this preliminary feeding. For feeding tests, they were dichotomized (n = 7 and 8) for maple syrup and sugar mix syrup group, respectively, and then fed for 11 days on either the AIN93G diet containing 20% maple syrup or on the 20% sugar mix syrup with a similar sugar composition; the amount of maple syrup or the sugar mix syrup was arranged. Rats in both diet groups were fasted for 16 hours, prior to being anesthetically sacrificed for dissection.
2011-08-31 | E-GEOD-30532 | biostudies-arrayexpress
Project description:Feeding on high sugar diet reprograms metabolism, partially mediated through a gene regulatory network controlled by intracellular sugar sensor Mondo/ChREBP-Mlx. Sugar-induced gene expression changes include activation of genes encoding enzymes of glycolysis, pentose phosphate pathways, and de novo lipogenesis, collectively driving the flux of sugar-derived carbon into triacylglycerides. These sugar-induced metabolic changes are likely to trigger compensatory responses to avoid depletion of necessary metabolites, but they remain poorly characterized. Through a global temporal clustering analysis of sugar-induced gene expression in Drosophila we identify new gene expression programs controlled by sugar feeding. These include rapid and transient downregulation of ribosome biogenesis genes, known targets of transcription factor Myc. Through in silico motif predictions and experimental validation, we identify transcriptional repressor Clockwork orange (CWO) as a mediator of this response. CWO expression is directly activated by Mondo-Mlx and it counteracts Myc through repression of its expression as well as through binding to overlapping regulatory regions of ribosome biogenesis genes. Loss of CWO function leads to depletion of UDP-GlcNAc pools and impaired viability on high sugar diet. Analysis of CWO orthologs, BHLHE40 and BHLHE41, in mouse hepatocytes revealed a conserved role for BHLHE41 in repressing ribosome biogenesis genes. Collectively, our data uncover a gene regulatory circuit balancing the activities of lipid and protein biosynthesis to maintain homeostasis during high sugar feeding.
2023-06-01 | GSE207198 | GEO