L.mucosae A1 modulated the gut microbiota in ApoE-/- mice with western diet
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ABSTRACT:
PROVIDER: PRJNA645512 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR12208400_1.fastq.gz | Fastqsanger.gz | |||
| SRR12208400_2.fastq.gz | Fastqsanger.gz | |||
| SRR12208401_1.fastq.gz | Fastqsanger.gz | |||
| SRR12208401_2.fastq.gz | Fastqsanger.gz | |||
| SRR12208402_1.fastq.gz | Fastqsanger.gz |
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Project description:Identification of novel pathways in the development of atherosclerosis. Here, we are looking at changes in gene expression that occur in the aorta with the development of atherosclerosis Analysis used RNA from thoracic aortas from chow fed ApoE knockout mice as control samples for comparison to the experimental samples from 8 week and 16 week ApoE knockout mice fed a western-type diet
2015-02-03 | E-GEOD-65494 | biostudies-arrayexpress
Project description:Background and Purpose: Squalene is the main hydrocarbon present in extra virgin olive oil and it has been reported to have anti-steatotic properties in different animal models. The aims of this study were to investigate its effects on liver transcriptomics in Male C57BL/6J Apoe-deficient mice. Experimental Approaches: Male C57BL/6J Apoe-deficient mice were fed a purified Western diet with or without squalene during 11 weeks and hepatic squalene content was assessed. Hepatic transcriptomic changes were studied and confirmed by RT-qPCR. Key Results: Squalene supplementation increased its hepatic content. The Cyp2b10 and Cyp2c55 gene expressions were significantly up-regulated by the squalene intake in all animal models, with independence of sex, sexual hormones, dietary fat content, genetic background and dose, and were strongly associated with antioxidant defense capacity and with lipid content and composition. Conclusions and Implications: hepatic squalene exerts its activity through overexpression of these cytochromes and their changes in virgin olive oil diets may be due to squalene.
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Project description:Hepatic transcriptomics of squalene in male Apoe-deficient mice on Western diet
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Project description:LV hypertrophy is associated with Western diet consumption, while intake of n-3 polyunsaturated fatty acids is associated with anti-hypertrophic effects. We treated rats for 12 weeks with either a Control diet, a Western diet or a Western + DHA diet. For each of the 3 dietary treatments there were 2 pooled samples of heart tissue (with each pooled sample representing 5 rats) for a total of 6 arrays. Microarray analysis identified 66 differentially expressed transcripts. Pathways were identified using Ingenuity and DAVID software. Array results from two pooled samples (5 rats in each pool) for n=10 per treatment group were used for comparisons. Comparisons between Western vs. Control, Western + DHA vs. Control and Western + DHA vs. Western diets was subjected to analysis to generate log fold changes. A dietary treatment of 12 weeks was used in an effort to produce LVH while limiting the development of comorbidities. Microarray analysis was performed on pooled samples, followed by qRT-PCR and Western blot analysis. Groups were Control, Western and Western + DHA. Comparisons between groups are expressed as LogFC (i.e. LogFC_WESvCTRL, LogFC_DHAVCTRL, LogFC_DHAvWES), available in Series supplementary files.
2013-11-22 | E-GEOD-52603 | biostudies-arrayexpress
Project description:LV hypertrophy is associated with Western diet consumption, while intake of n-3 polyunsaturated fatty acids is associated with anti-hypertrophic effects. We treated rats for 12 weeks with either a Control diet, a Western diet or a Western + DHA diet. For each of the 3 dietary treatments there were 2 pooled samples of heart tissue (with each pooled sample representing 5 rats) for a total of 6 arrays. Microarray analysis identified 66 differentially expressed transcripts. Pathways were identified using Ingenuity and DAVID software. Array results from two pooled samples (5 rats in each pool) for n=10 per treatment group were used for comparisons. Comparisons between Western vs. Control, Western + DHA vs. Control and Western + DHA vs. Western diets was subjected to analysis to generate log fold changes.
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Project description:The deficiency in CCL17 decreased atherosclerotic plaque burden by facilitating Treg maintenance and survival. cDC-derived CCL17 plays a crucial role in the recruitment and migration of various T cell subsets, including a subpopulation of CD4+ T cells, regulatory T cells (Tregs). To evaluate whether CCL17-deficient cDCs harbor an unique expression profile. we FACS-sorted CD45+CD11c+CD3-CD19- cells from lymph nodes (LNs) of Apoe-/-Ccl17wt/e or Apoe-/-Ccl17e/e mice on chew diet (CD) and performed single cell RNA sequencing (scRNAseq). We also performed scRNAseq to detect the expression of some chemokine receptors in sorted CD45+CD19-MHC+ cells from aortic LNs of Apoe-/-Ccl17wt/e or Apoe-/-Ccl17e/e mice on 6-week western diet (WD).
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Project description:The fold-changes for each gene of ApoE–/– CKIP-1–/– with respect to ApoE–/– mice on a 12-week Western diet were assessed by using three independent Capital Bio mRNA Array.
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Project description:BackgroundGut microbiota plays an important role in many metabolic diseases such as diabetes and atherosclerosis. Apolipoprotein E (apoE) knock-out (KO) mice are frequently used for the study of hyperlipidemia and atherosclerosis. However, it is unknown whether apoE KO mice have altered gut microbiota when challenged with a Western diet.MethodsIn the current study, we assessed the gut microbiota profiling of apoE KO mice and compared with wild-type mice fed either a normal chow or Western diet for 12 weeks using 16S pyrosequencing.ResultsOn a western diet, the gut microbiota diversity was significantly decreased in apoE KO mice compared with wild type (WT) mice. Firmicutes and Erysipelotrichaceae were significantly increased in WT mice but Erysipelotrichaceae was unchanged in apoE KO mice on a Western diet. The weighted UniFrac principal coordinate analysis exhibited clear separation between WT and apoE KO mice on the first vector (58.6%) with significant changes of two dominant phyla (Bacteroidetes and Firmicutes) and seven dominant families (Porphyromonadaceae, Lachnospiraceae, Ruminococcaceae, Desulfovibrionaceae, Helicobacteraceae, Erysipelotrichaceae and Veillonellaceae). Lachnospiraceae was significantly enriched in apoE KO mice on a Western diet. In addition, Lachnospiraceae and Ruminococcaceae were positively correlated with relative atherosclerosis lesion size in apoE KO.ConclusionsCollectively, our study showed that there are marked changes in the gut microbiota of apoE KO mice, particularly challenged with a Western diet and these alterations may be possibly associated with atherosclerosis.
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Project description:Inbred mouse strains C57BL/6J (B6) and C3H/HeJ (C3H) exhibit a marked difference in their susceptibility to atherosclerosis and the arterial wall has proven to be a source of the difference in atherosclerosis susceptibility. Genome-wide gene expression analysis was conducted in aortic walls of the two strains. Total RNA was extracted from aortas of 6-week-old female B6 and C3H apoE-deficient (apoE-/-) mice fed a chow or Western diet. 1514 genes in chow fed mice and 590 genes in Western fed mice were found to be differentially expressed between the two strains. RNA was extracted from aorta using a Trizol protocol. Total RNA was pooled in an equal amount from 4 mice for each group. Standard Affymetrix procedures were performed using 8ug of total RNA. Microarrays were used to detect gene expression in aortic walls of two apoE-deficient mouse strains when fed a chow or western diet. Experiment Overall Design: 4 groups of mice were studied: C57BL/6 apoE-/- mice on chow diet (03-62_BC), C57BL/6 apoE-/- mice on Western diet (03-62_BW), C3H/HeJ apoE-/- mice on chow diet (03-62_CC), and C3H/HeJ apoE-/- mice on Western diet (03-62_CW). Mice were weaned at 3 weeks of age onto a chow diet. At 4 weeks of age, mice were switched onto a western diet or continued the chow diet for 2 additional weeks.
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