Rattus norvegicus
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ABSTRACT:
PROVIDER: PRJNA317294 | ENA |
REPOSITORIES: ENA
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Project description:To elucidate the effects of altered dietary carbohydrate and fat balance on liver and adipose tissue transcriptomes, 3-week-old rats were fed three kind of diets: low, moderate and high fat diets (L, M and H) containing a different ratio of carbohydrate:fat (C:F) (65:15, 60:20 and 35:45 in energy percent, respectively).
2017-03-24 | GSE79867 | GEO
Project description:Microarray analysis on livers of young (three weeks old) Nile rats (Arvicanthis niloticus) fed with either a high carbohydrate diet only (percentage energy from carbohydrate:fat:protein = 70:10:20, 16.7 kJ/g) or a high carbohydrate diet supplemented with palm fruit juice (PFJ) (415 ml of 13000 ppm gallic acid equivalent (GAE) for a final concentration of 5.4 g GAE per kg diet or 2.7 g per 2000 kcal) PFJ (415 ml of 13000 ppm gallic acid equivalent (GAE) for a final concentration of 5.4 g GAE per kg diet or 2.7 g per 2000 kcal) was supplemented to young Nile rats (Arvicanthis niloticus) given a high carbohydrate diet (percentage energy from carbohydrate:fat:protein = 70:10:20, 16.7 kJ/g) to observe for possible anti-diabetic effects. Livers were harvested four weeks after the feeding regimen for gene expression studies. Results from the microarray data analysis carried out show that rats given PFJ had down-regulated insulin signalling, consistent with anti-diabetic effects observed in vivo. Total RNA obtained from livers of young Nile rats (Arvicanthis niloticus) given PFJ in a high carbohydrate diet (four weeks after the feeding regimen) were compared to controls (three replicates in the treatment group versus four replicates in the control group)
2015-01-13 | E-GEOD-64901 | biostudies-arrayexpress
Project description:Microarray analysis on livers of young (three weeks old) Nile rats (Arvicanthis niloticus) fed with either a high carbohydrate diet only (percentage energy from carbohydrate:fat:protein = 70:10:20, 16.7 kJ/g) or a high carbohydrate diet supplemented with palm fruit juice (PFJ) (415 ml of 13000 ppm gallic acid equivalent (GAE) for a final concentration of 5.4 g GAE per kg diet or 2.7 g per 2000 kcal) PFJ (415 ml of 13000 ppm gallic acid equivalent (GAE) for a final concentration of 5.4 g GAE per kg diet or 2.7 g per 2000 kcal) was supplemented to young Nile rats (Arvicanthis niloticus) given a high carbohydrate diet (percentage energy from carbohydrate:fat:protein = 70:10:20, 16.7 kJ/g) to observe for possible anti-diabetic effects. Livers were harvested four weeks after the feeding regimen for gene expression studies. Results from the microarray data analysis carried out show that rats given PFJ had down-regulated insulin signalling, consistent with anti-diabetic effects observed in vivo.
2015-01-13 | GSE64901 | GEO
Project description:We report the results from RNA-seq analysis of perivascular adipose tissues (PVAT) collected from mesenteric arteries from Dahl S rats. Animals were on a control or a high fat diet for 24 weeks. At the moment of collection, rats fed high fat diet were hypertensive. In contrast, rats on the control diet were normotensive.
2021-01-23 | GSE165369 | GEO
Project description:Age-related and/or high caloric intake driven changes in visceral adipose tissue contribute to the development of diabetes and cardiovascular disease. The lack of reliable, high-throughput methods to analyze the adipose tissue protein composition has limited our understanding of the protein networks responsible for metabolic regulation of various adipose depots. We have developed a proteomic approach using multiple-dimension liquid chromatography tandem mass spectrometry and multiplexed TMT labeling to analyze protein composition of epididymal adipose tissues isolated from mice fed either low or high fat diet for a short (8 weeks) or a long (18 weeks) term, and from mice that aged (26 weeks old) on low vs. high fat diets. Advancing age and high-fat diet feeding led to graded deterioration, with long-term high fat diet exposure being the worst of all measures of peripheral metabolic health such as body weight, adiposity, plasma fasting glucose, insulin, triglycerides, total cholesterol levels, and glucose and insulin tolerance tests. Epididymal adipose depot proteomic analysis identified >3300 proteins per sample. In response to short-term high fat diet, 43 proteins representing lipid metabolism (e.g., AACS, ACOX1, ACLY) and red-ox pathways (e.g., CPD2, CYP2E, SOD3) were significantly altered (FDR < 10%). Long-term high fat diet significantly altered 55 proteins associated with immune response (e.g., IGTB2, IFIT3, LGALS1) and rennin angiotensin system (e.g. ENPEP, CMA1, CPA3, ANPEP). Age-related changes on low fat diet significantly altered only 18 proteins representing mainly urea cycle (e.g., OTC, ARG1, CPS1), and amino acid biosynthesis (e.g., GMT, AKR1C6). Surprisingly, high fat diet driven age-related changes culminated with alterations in 155 proteins involving primarily the urea cycle (e.g., ARG1, CPS1), immune response/complement activation (e.g., C3, C4b, C8, C9, CFB, CFH, FGA), extracellular remodeling (e.g., EFEMP1, FBN1, FBN2, LTBP4, FERMT2, ECM1, EMILIN2, ITIH3) and apoptosis (e.g., YAP1, HIP1, NDRG1, PRKCD, MUL1) pathways. Our unbiased mass spectrometry method, tailored to adipose tissue, identified both age-related and high fat diet specific proteomic signatures. In addition to well-described immune and extracellular remodeling response to high fat feeding, we have uncovered the pronounced involvement of arginine metabolism in response to advancing age, and branched chain amino acid metabolism in early response to high fat feeding. We were able to uncouple age-related metabolic responses from those associated with caloric intake, a task otherwise difficult to achieve.
2017-03-27 | PXD005953 | Pride
Project description:Age-related and/or high caloric intake driven changes in visceral adipose tissue contribute to the development of diabetes and cardiovascular disease. The lack of reliable, high-throughput methods to analyze the adipose tissue protein composition has limited our understanding of the protein networks responsible for metabolic regulation of various adipose depots. We have developed a proteomic approach using multiple-dimension liquid chromatography tandem mass spectrometry and multiplexed TMT labeling to analyze protein composition of epididymal adipose tissues isolated from mice fed either low or high fat diet for a short (8 weeks) or a long (18 weeks) term, and from mice that aged (26 weeks old) on low vs. high fat diets. Advancing age and high-fat diet feeding led to graded deterioration, with long-term high fat diet exposure being the worst of all measures of peripheral metabolic health such as body weight, adiposity, plasma fasting glucose, insulin, triglycerides, total cholesterol levels, and glucose and insulin tolerance tests. Epididymal adipose depot proteomic analysis identified >3300 proteins per sample. In response to short-term high fat diet, 43 proteins representing lipid metabolism (e.g., AACS, ACOX1, ACLY) and red-ox pathways (e.g., CPD2, CYP2E, SOD3) were significantly altered (FDR < 10%). Long-term high fat diet significantly altered 55 proteins associated with immune response (e.g., IGTB2, IFIT3, LGALS1) and rennin angiotensin system (e.g. ENPEP, CMA1, CPA3, ANPEP). Age-related changes on low fat diet significantly altered only 18 proteins representing mainly urea cycle (e.g., OTC, ARG1, CPS1), and amino acid biosynthesis (e.g., GMT, AKR1C6). Surprisingly, high fat diet driven age-related changes culminated with alterations in 155 proteins involving primarily the urea cycle (e.g., ARG1, CPS1), immune response/complement activation (e.g., C3, C4b, C8, C9, CFB, CFH, FGA), extracellular remodeling (e.g., EFEMP1, FBN1, FBN2, LTBP4, FERMT2, ECM1, EMILIN2, ITIH3) and apoptosis (e.g., YAP1, HIP1, NDRG1, PRKCD, MUL1) pathways. Our unbiased mass spectrometry method, tailored to adipose tissue, identified both age-related and high fat diet specific proteomic signatures. In addition to well-described immune and extracellular remodeling response to high fat feeding, we have uncovered the pronounced involvement of arginine metabolism in response to advancing age, and branched chain amino acid metabolism in early response to high fat feeding. We were able to uncouple age-related metabolic responses from those associated with caloric intake, a task otherwise difficult to achieve.
2018-07-03 | MSV000082569 | MassIVE
Project description:Dietary proteins have profound effects on lipid metabolism but the mechanism remains to be elucidated. In the present study, we examined the temporal impact of dietary proteins in isoenergetic high fat diets on lipid metabolism of C57BL/6J mice. Mice were first fed a low protein (P) to carbohydrate (C) ratio high-fat diet (L-P/C-HF) for 10 weeks and then a half of mice were changed to a high protein to carbohydrate ratio high-fat diet (H-P/C-HF) for additional 4 weeks whereas the remaining mice continued eating the L-P/C-HF diet.
2012-12-19 | E-GEOD-20260 | biostudies-arrayexpress
Project description:Analysis of tissues of DBA/2 mice fed a standard breeding diet (SBD) and high fat diet (HFD) revealed tissue specific roles in inflammation and disease, and altered communication between tissues. The tissues surveyed incuded adipose tissues (brown, inguinal, mesenteric, retro-peritoneal, subcutaneious and gonadal), muscle and liver.
2010-03-31 | GSE15822 | GEO
Project description:Despite a variety of seasoning ingredients in diets, little is known about their cooperative effect on animal metabolism. We fed rats a diet containing 30 wt.% instant noodle with a 26% fat-to-energy ratio for 30 days (N-group). Compared with rats that were fed the same diet without seasonings (C-group), the N-group showed lower liver triacylglycerol levels and higher fecal cholesterol levels. To assess the mechanisms underlying this phenotype, we conducted transcriptome analyses of the hypothalamic–pituitary axis (HP), liver and white adipose tissue (WAT). Our results suggest that these ingredients may affect lipid homeostasis via the HP axis.
2020-07-07 | GSE101127 | GEO
Project description:Despite a variety of seasoning ingredients in diets, little is known about their cooperative effect on animal metabolism. We fed rats a diet containing 30 wt.% instant noodle with a 26% fat-to-energy ratio for 30 days (N-group). Compared with rats that were fed the same diet without seasonings (C-group), the N-group showed lower liver triacylglycerol levels and higher fecal cholesterol levels. To assess the mechanisms underlying this phenotype, we conducted transcriptome analyses of the hypothalamic–pituitary axis (HP), liver and white adipose tissue (WAT). Our results suggest that these ingredients may affect lipid homeostasis via the HP axis.
2020-07-07 | GSE101129 | GEO