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Expression data from Control diet, Western diet and Western diet + DHA fed rats.

ABSTRACT: LV hypertrophy is associated with Western diet consumption, while intake of n-3 polyunsaturated fatty acids is associated with anti-hypertrophic effects. We treated rats for 12 weeks with either a Control diet, a Western diet or a Western + DHA diet. For each of the 3 dietary treatments there were 2 pooled samples of heart tissue (with each pooled sample representing 5 rats) for a total of 6 arrays. Microarray analysis identified 66 differentially expressed transcripts. Pathways were identified using Ingenuity and DAVID software. Array results from two pooled samples (5 rats in each pool) for n=10 per treatment group were used for comparisons. Comparisons between Western vs. Control, Western + DHA vs. Control and Western + DHA vs. Western diets was subjected to analysis to generate log fold changes.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE52603 | GEO | 2013/11/22

SECONDARY ACCESSION(S): PRJNA229459

REPOSITORIES: GEO

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Expression data from Control diet, Western diet and Western diet + DHA fed rats.

Project description:LV hypertrophy is associated with Western diet consumption, while intake of n-3 polyunsaturated fatty acids is associated with anti-hypertrophic effects. We treated rats for 12 weeks with either a Control diet, a Western diet or a Western + DHA diet. For each of the 3 dietary treatments there were 2 pooled samples of heart tissue (with each pooled sample representing 5 rats) for a total of 6 arrays. Microarray analysis identified 66 differentially expressed transcripts. Pathways were identified using Ingenuity and DAVID software. Array results from two pooled samples (5 rats in each pool) for n=10 per treatment group were used for comparisons. Comparisons between Western vs. Control, Western + DHA vs. Control and Western + DHA vs. Western diets was subjected to analysis to generate log fold changes. A dietary treatment of 12 weeks was used in an effort to produce LVH while limiting the development of comorbidities. Microarray analysis was performed on pooled samples, followed by qRT-PCR and Western blot analysis. Groups were Control, Western and Western + DHA. Comparisons between groups are expressed as LogFC (i.e. LogFC_WESvCTRL, LogFC_DHAVCTRL, LogFC_DHAvWES), available in Series supplementary files.

2013-11-22 | E-GEOD-52603 | biostudies-arrayexpress

NASH treatment study (Ldlr-/- mice on Western diet treated with/without omega-3 fatty acids)

Project description:Mice on a reference (RD) or western diet (WD) supplemented with olive oil or the omega-3 fatty acid docosahexaenoic acid DHA

2022-10-13 | GSE215225 | GEO

NASH prevention study (Ldlr-/- mice on Western diet treated with/without omega-3 fatty acids)

Project description:Mice on a reference (RD) or western diet (WD) supplemented with olive oil or omega-3 fatty acids (eicosapentaenoic acid [EPA] and/or docosahexaenoic acid [DHA])

2022-10-13 | GSE215224 | GEO

Transkingdom interactions between Lactobacilli and hepatic mitochondria attenuate western diet induced diabetes

Project description:For WD + Microbes 1 and WD + Microbes 3 experiments, C57BL/6 mice were fed western diet or western diet supplemented with Lactobacillus gasseri or Lactobacillus johnsonii for 8 weeks and serum was collected from each mice. For Pooled_1 (control group, western diet only), and Pooled_2 (western diet + Lactobacillus gasseri) groups, serum from 5 mice each was pooled. For Pooled_3 (western diet + Lactobacillus johnsonii) group, serum from 4 mice was pooled. For Pooled_7 (control group, western diet only), Pooled_8 (western diet + Lactobacillus gasseri) and Pooled_9 (western diet + Lactobacillus johnsonii) groups, serum from 6 mice each was pooled. For WD + Microbes 6 experiment, C57BL/6 mice were fed western diet for 8 weeks. Then, one group (n = 5) of mice was supplemented with Lactobacillus gasseri for 12 weeks along with continuation of western diet and serum was collected. For Pooled_10 (control group, western diet only) and Pooled_11 (western diet + Lactobacillus gasseri) groups, serum from 5 mice each was pooled. For GF + WD + LG experiment, C57BL/6 germ free mice were fed western diet or western diet supplemented with Lactobacillus gasseri for 2 weeks. For Pooled_12 (control, western diet only) and Pooled_13 (western diet + Lactobacillus gasseri) groups, serum from 2 mice each was pooled.

2020-07-28 | ST001436 | MetabolomicsWorkbench

Maternal Western-style diet alters the transcriptome of chemically induced mammary tumors in female offspring rats

Project description:Some previous experimental studies have shown that early in life intake of high-fat or Western-style diets did alter the development of mammary cancer in adulthood female rats. Thus, the present study investigated the distinct gene expression patterns of chemically induced mammary tumors derived from female offspring whose dams intake control diet (CD) or Western-style diet (WD). During gestational days (GD) 12-21 and post-natal days (PND) 1-21, pregnant Sprague-Dawley (SD) rats were fed a CD diet or WD (high-fat and low-fiber and oligoelements) diet. On postnatal day (PND) 21, the female offspring received a single dose of carcinogen N-Methyl-N-Nitrosourea (MNU, 50 mg/kg) and CD diet for 12 weeks. Latency, incidence and tumor burden were registered. Mammary tumors samples were collected and histopathology and gene expression analysis were performed.

2018-10-12 | GSE96520 | GEO

Rattus norvegicus

Project description:Expression data from Control diet, Western diet and Western diet + DHA fed rats.

| PRJNA229459 | ENA

NASH time course study (Ldlr-/- mice on reference or Western diet)

Project description:Mice on a reference (RD) or western diet (WD)

2023-06-01 | GSE223193 | GEO

Colorectal Inflammatory Response to a Western-Style Diet

Project description:The investigators are involved in a research program to understand how different diets may affect the risk of colorectal polyps and cancer. To that end, the investigators are conducting a study of a western style diet versus a "prudent style" diet in which volunteer subjects are provided a different diet for 2 separate 4 week periods at the Rockefeller University Hospital. During one of these 4 week inpatient periods they receive a Western style diet and during the other 4 week inpatient period they receive a "Prudent style" diet. The investigators will determine changes within the colon as a result of the two different diets. A more detailed description of the study is provided below.

| 2074616 | ecrin-mdr-crc

Effect of western-style diet on gene expression of mouse intestinal Paneth cells

Project description:To investigate the effect of wetern-style diet on Paneth cells, we performed bulk RNAseq on sorted Paneth cells from mice fed for 3 months with western-style diet (NWD1) and control diet (AIN76A)

2024-03-27 | GSE221818 | GEO

Gene Expression in Rats Fed a Western Diet

Project description:Resistant starches (RS), fed as high amylose maize starch (HAMS) or butyrylated HAMS (HAMSB), oppose dietary protein-induced colonocyte DNA damage in rats. In this study, rats were fed diets high in fat (19%) and protein (20%) with different forms of digestible starch (low amylose maize starch (LAMS) or low amylose whole wheat (LAW)) or RS (HAMS, HAMSB, or a whole high amylose wheat (HAW) generated by RNA interference (RNAi)) for 11 wk. A control diet contained 7% fat, 13% protein and LAMS. The aim of this study was to detect changes in the expression of DNA damage and repair genes in response to the above dietary treatments. Distal colon tissues from Sprague Dawley rats fed a variety of diets (see summary) were removed from RNAlater stabilisation reagent (Sigma, Australia) they had been stored in,, placed in 1 ml of TRIzol® Reagent (Invitrogen, Australia) and homogenised usingbeads (mix of 2.5 mm glass and 0.1 - 1.0 mm diameter silicon-zirconian beads) in a MiniBeadbeater-8 (BioSpec Products Inc., USA). Total RNA was extracted (using TRIzol® Reagent manufacturer's instructions) and further purified using RNAeasy mini spin columns (QIAGEN, Australia) with a DNase on-column digestion as per manufacturer's instructions.RNA integrity was checked using a Bioanalyzer 2100 (Agilent Technologies, USA) andquantified using a NanoDrop® ND-1000 Spectrophotometer (Thermo Fisher Scientific, USA). RNA samples with insufficinet quality and quantity were not assayed. The numbers of rats arrayed from each diet were as follows: CON, 5;LAMS, 7; HAMS, 8; HAMSB, 9; LAW, 6; HAW , 8. This gives a total of 43 arrays.

2012-12-01 | E-GEOD-32312 | biostudies-arrayexpress

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