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Gene expression profiling of livers from cafestol-fed APOE3Leiden mice

ABSTRACT: Unfiltered coffee markedly increases serum lipid levels in humans and mice. The responsible compounds are the fat-soluble diterpenes cafestol and kahweol. Cafestol is responsible for more than 80% of the effect on serum lipids and is the most potent cholesterol-elevating compound known in the human diet. Aim of these microarray studies was to identify novel genes and regulatory pathways determining the cholesterol raising effect of cafestol by genome-wide expression studies. Keywords: Transgenic APOE3Leiden_Mouse_liver_diet response_cafestol

ORGANISM(S): Mus musculus

PROVIDER: GSE3809 | GEO | 2006/07/01

SECONDARY ACCESSION(S): PRJNA94013

REPOSITORIES: GEO

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Gene expression profiling of livers from cafestol-fed APOE3Leiden mice

Project description:Unfiltered coffee markedly increases serum lipid levels in humans and mice. The responsible compounds are the fat-soluble diterpenes cafestol and kahweol. Cafestol is responsible for more than 80% of the effect on serum lipids and is the most potent cholesterol-elevating compound known in the human diet. Aim of these microarray studies was to identify novel genes and regulatory pathways determining the cholesterol raising effect of cafestol by genome-wide expression studies. Keywords: Transgenic APOE3Leiden_Mouse_liver_diet response_cafestol Transgenic APOE3Leiden (E3L) mice of the N21th generation (>99% C57BL6/JIco) were used. Mice were 10 weeks of age at the start of experiments, and received control or cafestol diet for 4 weeks (n=7 and 8 respectively). As control diet, diet W (Hope Farms) was used, a semi-synthetic diet (18.2 MJ/kg) enriched with saturated fat (15g/100g) and cholesterol (0.25g/100g). This diet was supplemented with 0.04% (wt/wt) cafestol and 0.02% (wt/wt) kahweol for the cafestol diet. Microarray experiments were performed in duplicate: the same RNAs were labeled, divided into two different pools and hybridized onto two different GEMs 2.03 (Incyte Genomics, Palo Alto, CA). Duplicates are indicated by the same SY or TP number in the sample titles.

2006-06-30 | E-GEOD-3809 | biostudies-arrayexpress

Expression data from livers of C57BL/6J mice fed a high-fat diet and coffee

2013-12-10 | GSE53131 | GEO

Expression data from livers of C57BL/6J mice fed a high-fat diet and coffee

Project description:The present study was conducted to evaluate the effects of the intake of three types of coffee (caffeinated, decaffeinated, and green unroasted coffee) on the livers of C57BL/6J mice fed a high-fat diet, and to extensively elucidate the physiological responses to coffee intake by analysing the findings obtained from a comprehensive transcriptomic analysis using DNA microarrays. The present study was conducted to evaluate the effects of the intake of three types of coffee (caffeinated, decaffeinated, and green unroasted coffee) on the livers of C57BL/6J mice fed a high-fat diet, and to extensively elucidate the physiological responses to coffee intake by analysing the findings obtained from a comprehensive transcriptomic analysis using DNA microarrays. Briefly, 7-week-old male C57BL/6J mice purchased from Charles River Laboratories Japan (Yokohama) were divided into the following five groups. The normal diet group (ND group) was fed D12450B (10 kcal% fat, Research Diets, New Brunswick, NJ, USA). The high-fat diet group (HF group) was fed D12492 (60 kcal% fat, Research Diets, New Brunswick, NJ, USA). The caffeinated coffee group (HFCC group) was fed a high-fat diet containing 2% caffeinated freeze-dried coffee. The decaffeinated coffee group (HFDC group) was fed a high-fat diet containing 2% decaffeinated freeze-dried coffee. The green unroasted coffee group (HFGC group) was fed a high-fat diet containing 2% unroasted caffeinated freeze-dried coffee. The mice had ad libitum access to their diets and drinking water. After 9 weeks, mice were sacrificed and the livers were subjected to the Affymrtix DNA microarray experiment.

2013-12-10 | E-GEOD-53131 | biostudies-arrayexpress

RNA-seq-based transcriptome profiling of hawk tea extract (HTE)-fed hypercholesterolemic rat livers

Project description:The high-fat diet (HFD)-feeding significantly stimulated hypercholesterolemia in male SD rats. Simultaneous feeding of hawk tea extracts (HTE) reversed the hypercholesterolemia in rats by lowering the serum total cholesterol and low-density lipoprotein cholesterol levels. To understand the molecular mechanism underlying the cholesterol-lowering effects of HTE, we performed the RNA-seq analysis. Consequently, the change in mRNA levels of genes invovled in metabolism of lipid and lipoprotein, primary bile acid synthesis, and ABC transporters itriggered by HFD-feeding were reversed by the co-administration of HTE (200 mg/kg/day for 11 weeks).

2019-05-21 | GSE125084 | GEO

Gene expression of LNCaP human prostate cells by cholesterol diet

Project description:Understanding the systemic regulation of normal prostate gene expression by cholesterol diet is critical for deciphering the mechanisms responsible for the transition from healthy to pathogenic prostate conditions. To understand mechanism under cholesterol effect on prostate, we performed microarray analysis using LNCaP human prostate cells cultured in low cholesterol medium. The RNA is obtained from LNCaP human prostate cells serum-starved for 0h, 3h, 16h followed by CLM medium.

2011-12-01 | E-GEOD-25472 | biostudies-arrayexpress

Effect of Lactobacillus brevis 119-2 isolated from turnip “Tsuda kabu” on hepatic cholesterol level in cholesterol-administrated rat

Project description:In previous in vitro study, we reported potential mechanism of cholesterol-lowering effect of Lactobacillus brevis119-2 (119-2) isolated from turnip “Tsuda kabu” is due to incorporation of cholesterol into 119-2 cell. In this study, we analyzed serum cholesterol and hepatic gene expression of Sprague-Dawley (SD) rat fed diet containing cholesterol with or without 119-2 for 2 weeks, to evaluate the cholesterol-lowering effect of 119-2 in vivo. Serum cholesterol of SD rat fed diet with 119-2 significantly decreased compared to SD rat fed diet without 119-2, and both viable and dead 119-2 indicated the effect. The result of hepatic gene analysis using DNA microarray suggested that potential mechanism of the cholesterol-lowering effect of 119-2 in vivo is inhibiting the activity of 3-hydroxy-3-methylglutaryl-CoA reductase by Insig (insulin induced gene) that is endoplasmic reticulum membrane protein, and catabolizing cholesterol to bile acid by Cyp7a1 (cytochrome P450 a1) that is the rate-limiting enzyme in the synthesis of bile acid from cholesterol. In addition, we concluded feeding 119-2 decreased serum low density lipoprotein (LDL) cholesterol by overexpression of Ldlr (LDL receptor gene). On the other hand, feeding Lactobacillus acidophilus ATCC43121 (ATCC) increased high density lipoprotein (HDL) cholesterol by over expression of Abca1 (ATP binding cassette sub-family A member 1 gene) and Angplt3 (Angiopoietin-like 3). These results suggested that 119-2 decrease the risk of atherosclerosis by serum cholesterol-lowering effect and improving effect of fatty liver and the LH (LDL cholesterol / HDL cholesterol) ratio.

2013-04-24 | GSE41734 | GEO

RNA-seq data for tumor tissues from mice fed with normal diet (ND) or high cholesterol diet (HCD)

Project description:To address how serum cholesterol affected tumor progression, C57BL/6J mice were placed on either normal diet or high cholesterol diet for 4 weeks, and then B16F10 cells were subcutaneously injected into the right flanks of mice. We performed transcriptome sequencing analysis (RNA-seq) on tumor tissues from ND and HCD groups.

2017-10-02 | GSE104463 | GEO

Heterozygous midnolin knockout attenuates severity of nonalcoholic fatty liver disease in mice fed a Western-style diet high in fat, cholesterol, and fructose

Project description:We found that global heterozygous midnolin knockout attenuated the severity of nonalnonalcoholic fatty liver disease (NAFLD) in mice fed a Western-style diet, high in fat, cholesterol, and fructose. This attenuation in disease was associated with significantly reduced levels of large lipid droplets, hepatic free cholesterol, and serum LDL, with significantly differential gene expression involved in cholesterol/lipid metabolism.

2023-05-03 | GSE226810 | GEO

RNA-seq data for tumor tissues from mice fed with normal diet (ND) or high cholesterol diet (HCD) II

2021-05-25 | GSE114930 | GEO

RNA-seq data for tumor tissues from mice fed with normal diet (ND) or high cholesterol diet (HCD) [Hep1-6]

Project description:To address how serum cholesterol affected tumor progression, C57BL/6J mice were placed on either normal diet or high cholesterol diet for 4 weeks, and then Hep1-6 cells were subcutaneously injected into the right flanks of mice. We performed transcriptome sequencing analysis (RNA-seq) on tumor tissues from ND and HCD groups.

2019-02-03 | GSE124599 | GEO

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