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Genome-wide expression profile of livers from mice fed HFD,SO-HFD or Viv chow [RNAseq]

ABSTRACT: Purpose: Aim of the study is to identify changes in hepatic gene expression induced by either a 40kcal% coconut oil rich high fat diet (HFD), a 40kcal% soybean oil plus coconut oil high fat diet (SO-HFD) or a low fat vivarium chow diet (Viv). Methods: Livers from mice that had been fed one of the above mentioned diets for 35 weeks, were used to make cDNA libraries that were then sent for deep sequencing, using the Illumina TruSeq RNA. Result: Many genes involved in metabolism, lipid binding, transport and storage and many Cyp genes are dysregulated in the two high fat diets as compared to Viv HFDs in SO-HFD mice. Comparing the two HFDs shows more metabolism and disease related genes dysregulated in SO-HFD vs HFD. Conclusion: A diet high in soybean oil may be more detrimental to metabolic health than a diet high in saturated fats.

ORGANISM(S): Mus musculus

PROVIDER: GSE68360 | GEO | 2015/08/28

SECONDARY ACCESSION(S): PRJNA282521

REPOSITORIES: GEO

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Genome-wide expression profile of livers from mice fed HFD,SO-HFD or Viv chow [RNAseq]

Project description:Purpose: Aim of the study is to identify changes in hepatic gene expression induced by either a 40kcal% coconut oil rich high fat diet (HFD), a 40kcal% soybean oil plus coconut oil high fat diet (SO-HFD) or a low fat vivarium chow diet (Viv). Methods: Livers from mice that had been fed one of the above mentioned diets for 35 weeks, were used to make cDNA libraries that were then sent for deep sequencing, using the Illumina TruSeq RNA. Result: Many genes involved in metabolism, lipid binding, transport and storage and many Cyp genes are dysregulated in the two high fat diets as compared to Viv HFDs in SO-HFD mice. Comparing the two HFDs shows more metabolism and disease related genes dysregulated in SO-HFD vs HFD. Conclusion: A diet high in soybean oil may be more detrimental to metabolic health than a diet high in saturated fats. cDNA isolated from livers from mice fed HFD, SO-HFD or Viv for 35 weeks, were 50bp pair-ended sequenced in triplicate using Illumina TruSeq RNA Sample Prep v2 Kit.

2015-08-28 | E-GEOD-68360 | biostudies-arrayexpress

Transcription profiling of rat liver samples from animals fed lard, olive oil, coconut fat, or cod liver oil diets

Project description:High fat diet (HF) rodent models have contributed significantly to the dissection of the pathophysiology of the insulin resistance syndrome, but their phenotype varies distinctly between different studies. Here, we have analyzed gene expression patterns in livers of animals fed with different HF with varying fatty acid compositions. Experiment Overall Design: Male Wistar rats were fed with high fat diets (42 energy%, fat sources: lard, olive oil; coconut fat; cod liver oil). Weight, food intake, whole body insulin tolerance and plasma parameters of glucose and lipid metabolism were measured during a 12 week diet course. Liver histologies and hepatic gene expression profiles using AffymetrixR gene chips were obtained.

2007-10-10 | E-GEOD-3512 | biostudies-arrayexpress

Different Effects of Tofu (Soybean Curd) and Fish Oil in Serum Lipoproteins and Hepatic Gene Expressions of Rats

Project description:Soybean and fish contains various active components that were reported to prevent cardiovasucular diseases. Epidemiological studies indicated that Asian eating patterns, consisting of daily seafood and/or soy consumption, confer protection against cardiovascular diseases. In this context, we expected that simultaneous intake of soybean and fish may be greatly beneficial in a manner different from the ingestion of the individual food. To understand the detailed mechanism for modulating the lipid metabolism by co-ingestion of a soy food (tofu) and fish oil, we investigated the global changes in hepatic mRNA expression in rats by using a microarray analysis. Generally, ingestion of tofu contributed to prevent the mRNA expressions involved in hepatic lipogenesis, whereas fish oil facilitated the mRNA expressions related to the degradation of hepatic fatty acids. In terms of mRNA expression, the interaction of two dietary factors was limited. The expression data was normalized and summarized by using SuperNORM data service (Skylight Biotech Inc.). Significance of expressional change among groups was tested by 2-way ANOVA on the normalized CEL data, which was deposited in a tab-separated ASCII text format. Principal components were identified on the summarized gene data. Rats were divided into four groups each with similar average body weights and assigned experimental diets for 21 days as follows: casein and soybean oil diet (CS); casein and fish oil diet (CF); tofu and soybean oil diet (TS); tofu and fish oil diet (TF). Total protein and fat content of each diet was 200 and 150 g/kg, respectively. Soybean oil diets (CS and TS) contain 150 g/kg diet of soybean-derived fat (i.e. soybean oil and freeze-dried tofu), and 50 g/kg of fish oil was replaced with the same amount of soybean-derived fat for fish oil diets (CF and TF). Animals were allowed free access to food and water.

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SRT1720 extends healthspan and lifespan in diet-induced obese mice

Project description:Activation of Sirt1, the mammalian homolog of an NAD+-dependent deacetylase known to modulate lifespan in lower organisms, is thought to hold promise as a strategy for delaying aging in mammals. SRT1720, a novel compound developed as a specific and potent activator of Sirt1, has shown promising effects to glucose homeostasis in short-term studies of rats and mice. Here we show SRT1720 extends both mean and maximum lifespan of mice fed a high-fat diet and has concrete benefits to health including reduced liver steatosis and increased insulin sensitivity and locomotor activity. Gene expression profiles and markers of inflammation and apoptosis were also restored to levels more reflective of standard diet controls. Furthermore, the benefits incurred by SRT1720 occurred in the absence of any observable toxicity. The current findings provide hope that safe and effective treatments may be developed to mitigate age-related diseases and enhance lifespan in humans. Male C57BL/6J mice obtained at 12 weeks of age were maintained on a standard purified mouse diet (AIN-93G) until 56 weeks of age prior to the start of the experiment. Beginning at 56 weeks of age, the SD group was fed a standard AIN-93G diet for the duration of the study. Three separate groups were placed on a high-fat diet (HFD) (AIN-93G modified by the addition of hydrogenated coconut oil to provide 60% of calories from fat) or HFD + 30mg/kg body weight SRT1720 (HFD-L) or 100mg/kg body weight SRT1720 (HFD-H) and remained on those diets throughout the study. All mice were fed ad libitum. Food intake and body weight were measured biweekly for the duration of the study.

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Eicosapentaenoic acid and docosahexaenoic acid - enriched high fat diet modulates immune genes in the spleen transcriptome of C57BL/6J mice

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2016-08-31 | GSE76622 | GEO

Eicosapentaenoic acid and docosahexaenoic acid - enriched high fat diet reduces adiposity related genes in different adipose tissues transcriptome of C57BL/6J mice

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2016-08-31 | GSE76623 | GEO

Hypothalamic astrocytes TRAP-seq in ORX/HFD mice

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2023-04-03 | GSE214683 | GEO

Eicosapentaenoic and docosahexaenoic acid - enriched high fat diet delays skeletal muscle degradation in mice

Project description:Effects of EPA/DHA enriched high fat diets (HFD) compared to HFD-Corn oil after 8 weeks intervention on age/obesity induced skeletal muscle degradation. Results provides novel information on the signalling pathways regulated by EPA and DHA enriched HFD in delaying the onset of muscle degradation in C57Bl/6J mice compared with HFD-Corn oil.

2016-05-31 | GSE76361 | GEO

Effects of dietary fat types on growth performance, pork quality, and gene expression in growing-finishing pigs

Project description:This study was performed to determine the effects of dietary fat sources, i.e., beef tallow, soybean oil, olive oil and coconut oil (each 3% in feed), on the growth performance, meat quality and gene expression in growing-finishing pigs. The results of this study indicate that the type of dietary fat affects fatty acid composition and insulin signaling-related gene expression in the longissimus dorsi muscle of pigs.

2012-05-23 | GSE38146 | GEO

Different lipid forms of omega-3 and their effect on small intestine in mice

Project description:Omega - 3 fatty acids of marine origin exert beneficial effects on lipid metabolism and can protect against insulin resistance in high fat diet (HFD)-fed animals. Simultaneously, recent studies showed that different lipid forms could have numerous consequences regarding the regulation of energy balance, nutrient absorption, and substrate metabolism. Indeed, when omega-3 was provided as triglycerides (TG, i.e. fish oil), it induced dose-dependently the expression of genes involved in lipid metabolism as well as fatty acid oxidation in small intestine of C57BL/6 mice fed various HFDs. As the underlying mechanism(s) explaining the differences in EPA/DHA bioavailability among various lipid forms of Omega-3 is not entirely clear, we performed a mouse study (n=8 per group) using purified HFDs with control HFD based on corn oil (cHF) and part of the lipids were replaced by omega-3 fish lipids in different forms: as either TG (cHF-F), marine phospholipids (PL; Krill oil, given at two different doses Krill-low (Krill-L) and Krill-high (Krill-H)), and as wax esters in the extract from the zooplankton Calanus finmarchicus (Calanus oil CAL-L representing same omega-3 levels as Krill-L diet). As a healthy control we fed a subset of mice standard chow (STD). All mice were fed their diet for 8 weeks and after sacrifice, whole small intestine was isolated, frozen and used for RNA isolation and microarray gene expression analysis using 8x60K Agilent arrays. Results showed that PL-H versus control cHFc induced specifically metabolic lipid pathways, while TG and PL-L mainly affected cytoskeleton regulation.

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