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Diet, genetics and gut microbiome drive dynamic changes in plasma metabolites [cecal]

ABSTRACT: C57BL/6J mice (B6) and 129S1 mice (129J) were purchased from Jackson Laboratory (Bar Harbor, ME) and 129S6 mice (129T) were purchased from Taconic Farms (Germantown, NY). Mice were maintained on normal chow containing 22% calories from fat, 23% from protein and 55% from carbohydrates (Mouse Diet 9F 5020, PharmaServ, Framingham, MA) or a high fat diet (Open Source Diet, D12492, Research Diets, New Brunswick, NJ) containing 60% calories from fat, 20% from protein and 20% from carbohydrates. For antibiotic treatment, 6-week old mice were treated with either placebo, vancomycin (1g/L) or metronidazole (1g/L) (Sigma-Aldrich, St. Louis, MO) in drinking water then started on HFD from age 7 to 11 weeks. The mice were fasted for 2 hours and anesthetized with isoflurane before collecting cecum and plasma.

ORGANISM(S): Mouse Mus Musculus

SUBMITTER: Julian Avila-Pacheco

PROVIDER: ST000880 | MetabolomicsWorkbench | Tue Oct 03 00:00:00 BST 2017

REPOSITORIES: MetabolomicsWorkbench

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Diet, genetics and gut microbiome drive dynamic changes in plasma metabolites [plasma]

Project description:C57BL/6J mice (B6) and 129S1 mice (129J) were purchased from Jackson Laboratory (Bar Harbor, ME) and 129S6 mice (129T) were purchased from Taconic Farms (Germantown, NY). Mice were maintained on normal chow containing 22% calories from fat, 23% from protein and 55% from carbohydrates (Mouse Diet 9F 5020, PharmaServ, Framingham, MA) or a high fat diet (Open Source Diet, D12492, Research Diets, New Brunswick, NJ) containing 60% calories from fat, 20% from protein and 20% from carbohydrates. For antibiotic treatment, 6-week old mice were treated with either placebo, vancomycin (1g/L) or metronidazole (1g/L) (Sigma-Aldrich, St. Louis, MO) in drinking water then started on HFD from age 7 to 11 weeks. The mice were fasted for 2 hours and anesthetized with isoflurane before collecting cecum and plasma.

2017-10-02 | ST000879 | MetabolomicsWorkbench

Gut Microbiota Modulate Brain Insulin Sensitivity and Neurobehavior

Project description:C57BL/6J mice were purchased from Jackson Laboratory and maintained on either a normal chow containing 22% of calories from fat, 23% from protein, and 55% from carbohydrates (Mouse diet 9F 5020; PharmaServ) or a high-fat diet (Open Source Diet, D12492; Research Diets) containing 60% of calories from fat, 20% from protein, and 20% from carbohydrates for 6 weeks. During the last 2 weeks, some of the HFD mice were treated with vancomycin or metronidazole (1 g/L in the drinking water). All mice were housed at 22°C on a 12 h light/dark cycle. All animal studies were approved by the IACUC of Joslin Diabetes Center (# 97-05) and Harvard Medical School (# 05131) and were in accordance with NIH guidelines. The metabolite profiling was conducted on plasma, hypothalamus and nucleus accumbens.

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Effect of maple syrup extract on the liver of mice fed a high-fat diet

Project description:The effects of the administration of maple syrup extract (MSX) on hepatic gene expression were investigated in mice fed high-fat diet. Male C57BL/6J mice aged 3 weeks were purchased from Charles River Japan (Kanagawa, Japan) and housed in a room maintained at 23 ± 1°C and 49 ± 16% humidity with a 12-h light/dark cycle (light 08:00–20:00; dark 20:00–08:00). For 1 week acclimation period after purchase, all the mice were fed a low-fat diet (10 kcal% fat). Then, they were randomly divided into three different dietary groups: the first group with the food containing fat at 10 kcal% as low-fat diet, the second group with 45 kcal% as high-fat diet, and the third with HFD plus 0.06% MSX. The mice were fed ad libitum for 8 weeks.

2015-04-30 | E-GEOD-65667 | biostudies-arrayexpress

Expression profiling of Brain tissue from C57BL/6J X C3H/HeJ)F2 and (C3H/HeJ X C57BL/6J)F2

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Expression profiling of Adipose tissue from C57BL/6J X C3H/HeJ)F2 and (C3H/HeJ X C57BL/6J )F2

Project description:The purpose of this experiment was to determine the expression traits in animals from F2 intercross of inbred strains C57BL/6J, C3H/HeJ. (N=309, 164 males and 145 females). Adipose from 295 F2 female and male mice were generated by intercrossing F1 mice. Mice were fed chow diet containing 4% fat (Ralston-Purina Co., St. Louis, MO) until 8 weeks of age and then were placed on a high-fat "Western" diet containing 42% fat and 0.15% cholesterol (Teklad 88137, Harlan Teklad, Madison WI) for 12 weeks. At 20 weeks mice were sacrificed, after a 12-hour fast adipose tissues were dissected and flash frozen in LN2 and stored at -80Â°C. Keywords=Genetics of Gene Expression Keywords Keywords=C57B1/J6 Keywords=C3H/HeJ

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Project description:The purpose of this experiment was to determine the expression traits in animals from F2 intercross of inbred strains C57BL/6J, C3H/HeJ. (N=309, 164 males and 145 females). Muscle from 285 F2 female and male mice were generated by intercrossing F1 mice. Mice were fed chow diet containing 4% fat (Ralston-Purina Co., St. Louis, MO) until 8 weeks of age and then were placed on a high-fat "Western" diet containing 42% fat and 0.15% cholesterol (Teklad 88137, Harlan Teklad, Madison WI) for 12 weeks. At 20 weeks mice were sacrificed, after a 12-hour fast Muscle tissues were dissected and flash frozen in LN2 and stored at -80Â°C. Keywords=Genetics of Gene Expression Keywords Keywords=C57B1/J6 Keywords=C3H/HeJ

2009-08-09 | E-GEOD-12795 | biostudies-arrayexpress

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Project description:Microarray analyses were performed in order to determine the effect of galectin-3 ablation on the endothelial transcriptional response in a mouse model of type 2 diabetes. Galectin-3-deficient mice (KO) and wild-type C57BL/6 (WT) were fed a high-fat diet (60% fat calories) or standard chow for 8 weeks. CD105+/CD45- endothelial cells were isolated from the aortae and skeletal muscles of these mice by FACS. Whole genome microarray expression profiling revealed greater transcriptional dysregulation in the endothelium of the KO after high-fat feeding compared to WT. Transcripts dysregulated in the KO endothelium after HFD include those involved in glucose uptake and insulin signaling, oxidative stress, vasoregulation, coagulation, and atherogenesis. Real-time PCR confirmed transcriptional downregulation of the glucose transporter, Glut4, and immunofluorescence staining confirmed reduced GLUT4 protein in the endothelium and mudcle of the KO compared to WT. The transcriptional and histological data was consistent with physiological studies showing exacerbated hyperglycemia and coagulation in the KO. These results suggest that galectin-3 serves a protective role against metabolic dysregulation and endothelial dysfunction in diabetes. Galectin-3-deficient mice (KO) and wild-type C57BL/6 (WT) were fed either a high-fat diet (60% fat calories) or standard chow diet (12% fat calories) for 8 weeks. Three independent experiments were performed. For each experiment, the aorta and skeletal muscle from 3-4 animals per diet/genotype group were excised and pooled for each tissue. Live, CD105+/CD45- endothelial cells were isolated from the aortic and muscle suspensions by FACS.

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