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Hepatic gene expression in streptozotocin-induced diabetic mice fed a phloridzin diet

ABSTRACT: Phloridzin is a dihydrochalcone typically contained in apples. A diet containing 0.5 % phloridzin significantly improves hyperglycemia but not hypoinsulinemia and tissue lipid peroxidation in streptozotocin (STZ)-induced diabetic mice after 14 days. The phloridzin diet has no effect on the alteration of hepatic gene expression in STZ-induced diabetic mice. A quantitative RT-PCR analysis showed a reversal of the STZ induction of the sodium/glucose cotransporter gene Sglt1 and the drug-metabolizing enzyme genes Cyp2b10 and Ephx1 in the small intestine of mice fed a 0.5% phloridzin diet. These mice also showed a reversal of the STZ-mediated renal induction of the glucose-regulated facilitated glucose transporter gene Glut2. Dietary phloridzin improved the abnormal elevations in blood glucose level and the overexpression of Sglt1, Cyp2b10 and Ephx1 in the small intestine of STZ-induced diabetic mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE38138 | GEO | 2012/05/30

SECONDARY ACCESSION(S): PRJNA167276

REPOSITORIES: GEO

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Hepatic gene expression in streptozotocin-induced diabetic mice fed a phloridzin diet

Project description:Phloridzin is a dihydrochalcone typically contained in apples. A diet containing 0.5 % phloridzin significantly improves hyperglycemia but not hypoinsulinemia and tissue lipid peroxidation in streptozotocin (STZ)-induced diabetic mice after 14 days. The phloridzin diet has no effect on the alteration of hepatic gene expression in STZ-induced diabetic mice. A quantitative RT-PCR analysis showed a reversal of the STZ induction of the sodium/glucose cotransporter gene Sglt1 and the drug-metabolizing enzyme genes Cyp2b10 and Ephx1 in the small intestine of mice fed a 0.5% phloridzin diet. These mice also showed a reversal of the STZ-mediated renal induction of the glucose-regulated facilitated glucose transporter gene Glut2. Dietary phloridzin improved the abnormal elevations in blood glucose level and the overexpression of Sglt1, Cyp2b10 and Ephx1 in the small intestine of STZ-induced diabetic mice. Six-week-old male mice were divided into 4 groups of 6 mice each, housed in groups of 3 per cage. After 1 week mice were intraperitoneally injected with STZ. Mice (n=6) in the untreated control group did not receive any treatment. After 1 week, 18 mice showing non-fasting blood glucose levels of 330-590 mg/dL were divided into 3 groups: one group was fed with AIN93G only (control group), the others with an AIN93G diet containing 0.1% or 0.5% phloridzin (Funakoshi, Tokyo, Japan) for 2 weeks.

2012-05-29 | E-GEOD-38138 | biostudies-arrayexpress

Hepatic gene expression in streptozotocin-induced diabetic mice fed a quercetin diet

Project description:Quercetin is a food component that may ameliorate the diabetic symptoms. We examined hepatic gene expression of BALB/c mice with streptozotocin (STZ)-induced diabetes to elucidate the mechanism of the protective effect of dietary quercetin on diabetes-associated liver injury. We fed STZ-induced diabetic mice with diets containing 0.1% or 0.5% quercetin for 2 weeks and compared the patterns of hepatic gene expression in these groups of mice using a DNA microarray. Diets containing 0.1% or 0.5% quercetin lowered the STZ-induced increase in blood glucose levels and improved plasma insulin levels. A cluster analysis of the hepatic gene expressions showed that 0.5% quercetin diet suppressed STZ-induced alteration of gene expression. Gene set enrichment analysis (GSEA) and quantitative RT-PCR analysis showed that the quercetin diets had their greatest suppressive effect on the STZ-induced elevation of expression of cyclin dependent kinase inhibitor p21(WAF1/Cip1) (Cdkn1a). Six-week-old male mice were divided into 4 groups of 6 mice each, housed in groups of 3 per cage. After 1 week mice were intraperitoneally injected with STZ. Mice (n=6) in the untreated control group did not receive any treatment. After 1 week, 18 mice showing non-fasting blood glucose levels of 230-400 mg/dL were divided into 3 groups: one group was fed with AIN93G only (control group), the others with an AIN93G diet containing 0.1% or 0.5% quercetin (Funakoshi, Tokyo, Japan) for 2 weeks.

2012-05-22 | E-GEOD-38067 | biostudies-arrayexpress

Hepatic gene expression in streptozotocin-induced diabetic mice fed a quercetin diet

2012-05-23 | GSE38067 | GEO

Phloridzin reduces blood glucose levels and alters hepatic gene expression in normal BALB/c mice

Project description:We previously showed that a diet containing phloridzin suppressed the blood glucose levels in streptozotocin-induced diabetic mice most likely by inhibiting glucose absorption from the small intestine. In this study, we showed that 0.5% and 1% phloridzin diets significantly reduce the blood glucose levels in healthy normal BALB/c mice after 7 days of feeding. To understand the effect of the high continuing intake of dietary phloridzin on normal mouse livers, we analyzed the hepatic gene expressions in mice fed diets containing 0%, 0.1%, 0.5%, or 1% phloridzin for 14 days using DNA microarrays.

2012-05-18 | GSE37415 | GEO

Phloridzin reduces blood glucose levels and alters hepatic gene expression in normal BALB/c mice

2012-05-17 | E-GEOD-37415 | biostudies-arrayexpress

Hepatic gene expression in BALB/c mice fed a quercetin diet

Project description:We showed that diets containing 0.1% or 0.5% quercetin lowered the STZ-induced increase in blood glucose levels and improved plasma insulin levels. A cluster analysis of the hepatic gene expressions showed that 0.5% quercetin diet suppressed STZ-induced alteration of gene expression. Gene set enrichment analysis (GSEA) and quantitative RT-PCR analysis showed that the quercetin diets had their greatest suppressive effect on the STZ-induced elevation of expression of cyclin dependent kinase inhibitor p21(WAF1/Cip1) (Cdkn1a). In this experiment, we determined the effect of quercetin on healthy control BALB/c mice that were fed the AIN93G diet containing 0, 0.1, 0.5 or 1% quercetin for 2 weeks. GSEA and one-way ANOVA did not detect any significant changes in hepatic gene expression in normal mice as a result of a quercetin diet. Using a linear modeling approach and the empirical Bayes statistics, we found that Ubc were significantly reduced by both the 0.5% and 1% quercetin.

2012-05-30 | GSE38136 | GEO

Hepatic gene expression in BALB/c mice fed a quercetin diet

2012-05-29 | E-GEOD-38136 | biostudies-arrayexpress

Integrated transcriptomic analyses identify altered nerve triglycerides in mouse models of prediabetes and type 2 diabetes

Project description:We employed high-fat diet (HFD)-induced prediabetes and HFD/streptozotocin (STZ)-induced type 2 diabetes mouse models that develop PN, which we compared to control mice maintained on standard diet (SD) and to HFD and HFD/STZ mice that were subject to SD dietary reversal (DR) half-way through the study. We performed gene expression profiling on sciatic nerves from SD, HFD, HFD-STZ, HFD-DR, and HFD-STZ-DR animal cohorts. Nerve transcriptomic profiles were integrated using complex correlation analyses, and biological meaning was inferred from known lipid-gene interactions in the literature

2019-11-12 | GSE140201 | GEO

N-glyco STZ mouse kidney - N-glycosylation proteome enrichment analysis in kidney reveals differences between diabetic mouse models

Project description:N-glycosylated proteome of STZ diabetic mice with diabetic nephropathy

2016-12-13 | PXD003196 | Pride

Expression data from liver of the KRAP deficient mice

Project description:KRAP (Ki-ras-induced actin-interacting protein) is a cytoskeleton-associated protein and a ubiquitous protein among tissues, originally identified as a cancer-related molecule. KRAP-deficient (KRAP-/-) mice show enhanced metabolic rate, decreased adiposity, improved glucose tolerance, hypoinsulinemia and hypoleptinemia. KRAP-/- mice are also protected against high-fat diet-induced obesity and insulin resistance despite of hyperphagia.

2009-01-22 | GSE13583 | GEO

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