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Epigenome analysis of liver tissues from Pemt-/- and Pemt+/+ under high fat-high sucrose (HFHS) diet

ABSTRACT: Genome wide DNA methylation profiling of liver tissues from Pemt-/- and Pemt+/+ under HFHS diets.

ORGANISM(S): Mus musculus

PROVIDER: GSE67791 | GEO | 2015/04/14

SECONDARY ACCESSION(S): PRJNA280945

REPOSITORIES: GEO

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Epigenome analysis of liver tissues from Pemt-/- and Pemt+/+ under high fat-high sucrose (HFHS) diet

Project description:Genome wide DNA methylation profiling of liver tissues from Pemt-/- and Pemt+/+ under HFHS diets. Pemt-/- and Pemt+/+ mice were fed HFHS from 5 to 25 weeks of age and liver tissues were obtained at 25 weeks. Bisulphite converted DNAs were enriched with EpiXplore Methylation DNA Enrichment Kit (Clontech). Genomic DNA libraries was prepared by TruSeq ChIP Sample Preparation Kit.

2015-04-14 | E-GEOD-67791 | biostudies-arrayexpress

Expression data from liver samples of Pemt-/- and Pemt+/+ mice under high fat-high-sucrose (HFHS) diet

Project description:We used microarrays to detail the global programme of gene expression in the liver of Pemt-/- and Pemt+/+ under HFHS diets. Liver sample of Pemt-/- and Pemt+/+ mice under HFHS for 1, 2, 3, 4 weeks were used for RNA extraction and hybridization on Affymetrix microarrays. Genes in liver of Pemt-/- mice, successively suppressed compared with Pemt+/+ mice, were obtained.

2015-04-14 | E-GEOD-67792 | biostudies-arrayexpress

Expression data from liver samples of Pemt-/- and Pemt+/+ mice under high fat-high-sucrose (HFHS) diet

Project description:We used microarrays to detail the global programme of gene expression in the liver of Pemt-/- and Pemt+/+ under HFHS diets.

2015-04-14 | GSE67792 | GEO

Transcriptomic profile of replicating NAFLD hepatocytes (from High-Fat High-Sucrose Diet - HFHS and Choline-Deficient High-Fat Diet - CDHFD).

Project description:C57Bl6/J male mice were put on different diets at 5 weeks of age, with a standard diet (SD) or a High-Fat High-Sucrose Diet (HFHS) or a Choline-Deficient High-Fat Diet (CDHFD) during 6 months. Primary hepatocytes cultures from 3 different models were synchronized in the cell cycle. Transcriptomic analysis was perfomed at 48hours of culture when HFHS and CDHFD hepatocytes harbor replication stress.

2020-07-11 | GSE154194 | GEO

Liver samples of Pemt-/- and Pemt+/+ mice under high fat-high-sucrose (HFHS) diet

Project description:Liver samples of Pemt-/- and Pemt+/+ mice under high fat-high-sucrose (HFHS) diet

| PRJNA280947 | ENA

Liver samples of Pemt-/- and Pemt+/+ mice under high fat-high-sucrose (HFHS) diet

Project description:This SuperSeries is composed of the SubSeries listed below.

2015-04-14 | GSE67793 | GEO

Sex Differences in the Skeletal Muscle Response to a High Fat, High Sucrose Diet in Rats

Project description:Men are diagnosed with type 2 diabetes at lower body mass indexes than women; the role of skel-etal muscle in this sex difference is poorly understood. Type 2 diabetes impacts skeletal muscle, particularly in females who demonstrate a lower oxidative capacity compared to males. To ad-dress mechanistic differences underlying this sex disparity, we investigated skeletal muscle mito-chondrial respiration in female and male rats in response to chronic high-fat, high-sugar (HFHS) diet consumption. Four-week-old Wistar Rats were fed a standard chow or HFHS diet for 14 weeks to identify sex-specific adaptations in mitochondrial respirometry and characteristics, transcrip-tional patterns, and protein profiles. Fat mass was greater with the HFHS diet in both sexes when controlled for body mass (p < 0.0001). Blood glucose and insulin resistance were greater in males (p = 0.01) and HFHS-fed rats (p < 0.001). HFHS-fed males had higher mitochondrial respiration compared with females (p < 0.01 sex/diet interaction). No evidence of a difference by sex or diet was found for mitochondrial synthesis, dynamics, or quality to support the mitochondrial respi-ration sex/diet interaction. However, transcriptomic analyses indicate sex differences in nutrient handling. Sex-specific differences occurred in PI3K/AKT signaling, PPARα/RXRα, and triacyl-glycerol degradation. These findings may provide insight into the clinical sex differences in body mass index threshold for diabetes development and tissue-specific progression of insulin re-sistance.

2024-03-31 | GSE228215 | GEO

High-fat and high-sucrose diet impairs female reproduction by altering ovarian transcriptomic and metabolic signatures

Project description:Excessive energy intake in modern society has led to an epidemic surge in metabolic diseases, such as obesity and type 2 diabetes. These disorders pose profound threats to women’s reproductive health. However, the precise impact and underlying pathogenesis of energy excess on female reproduction remain unclear. In this study, we established an obese and hyperglycemic female mouse model induced by a high-fat and high-sucrose (HFHS) diet, mimicking the modern lifestyle of overnutrition. These mice displayed marked reproductive dysfunction, including elevated serum testosterone levels, irregular estrous cycles, and impaired folliculogenesis. Analysis of the ovarian metabolome of the HFHS mice revealed a pronounced disturbance in amino acid metabolism. Transcriptomic profiling of these ovaries identified dysregulated genes involved in steroid hormone biosynthesis and glucolipid metabolism. Further multi-omic analysis unveils aberrations in ovarian arginine biosynthesis metabolism induced by HFHS diet. Notably, comparisons between HFHS mice and a cohort of women with polycystic ovary syndrome (PCOS) identified analogous reproductive and metabolic signatures. Therefore, our results provide direct in vivo evidence for the detrimental effects of overnutrition on female reproduction and offer insights into the metabolic underpinnings of PCOS.

2024-02-26 | GSE240547 | GEO

Expression data from Bama minipig hearts - high-fat, high-sucrose diet

Project description:In order to study the heart disorder that the long term, high energy diet caused, Bama miniature pigs were fed a high-fat, high-sucrose diet for 23 months. These pigs developed symptoms of metabolic syndrome and showed cardiac steatosis and hypertrophy with a greatly increased heart weight (1.82-fold, P<0.05) and heart volume (1.60-fold, P<0.05) compared with the control pigs. To understand the molecular mechanisms of cardiac steatosis and hypertrophy, nine pig heart cRNA samples were hybridized to porcine GeneChips. The control group consisted of 6 Bama pigs fed a control diet, and the HFHSD group comprised 6 pigs that were induced with a HFHS diet, which included 37% sucrose, 53% control diet and 10% pork lard. The pigs were fed twice every day and provided water ad libitum for 23 months. The pigs were fasted for 12 hours and euthanized with ketamine and xylazine. Pig hearts from the HFHSD group pigs (120, 126, 138, 140, 144, and 146) and three control group pigs (157, 159, and 161) were sampled and preserved in liquid nitrogen and then for RNA extraction and hybridization on Affymetrix microarrays.

2015-10-31 | E-GEOD-67890 | biostudies-arrayexpress

Transcriptomic profile of replicating NAFLD hepatocytes (from High-Fat High-Sucrose Diet - HFHS and Choline-Deficient High-Fat Diet - CDHFD).

Project description:Transcriptomic profile of replicating NAFLD hepatocytes (from High-Fat High-Sucrose Diet - HFHS and Choline-Deficient High-Fat Diet - CDHFD).

| PRJNA645396 | ENA

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