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Differences in genetic changes in brain tissue between wild-type mice and miR-7 knockout mice in the presence of brain tissue inflammation

ABSTRACT: Detection of genetic differences in brain tissue in wild-type mice and miR-7 knockdown mice under brain tissue inflammation

ORGANISM(S): Mus musculus

PROVIDER: GSE122114 | GEO | 2020/02/03

REPOSITORIES: GEO

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Project description:Mardinoglu2015 - Tissue-specific genome-scale metabolic network - Brain cortex This model is described in the article: The gut microbiota modulates host amino acid and glutathione metabolism in mice. Mardinoglu A, Shoaie S, Bergentall M, Ghaffari P, Zhang C, Larsson E, Bäckhed F, Nielsen J. Mol. Syst. Biol. 2015; 11(10): 834 Abstract: The gut microbiota has been proposed as an environmental factor that promotes the progression of metabolic diseases. Here, we investigated how the gut microbiota modulates the global metabolic differences in duodenum, jejunum, ileum, colon, liver, and two white adipose tissue depots obtained from conventionally raised (CONV-R) and germ-free (GF) mice using gene expression data and tissue-specific genome-scale metabolic models (GEMs). We created a generic mouse metabolic reaction (MMR) GEM, reconstructed 28 tissue-specific GEMs based on proteomics data, and manually curated GEMs for small intestine, colon, liver, and adipose tissues. We used these functional models to determine the global metabolic differences between CONV-R and GF mice. Based on gene expression data, we found that the gut microbiota affects the host amino acid (AA) metabolism, which leads to modifications in glutathione metabolism. To validate our predictions, we measured the level of AAs and N-acetylated AAs in the hepatic portal vein of CONV-R and GF mice. Finally, we simulated the metabolic differences between the small intestine of the CONV-R and GF mice accounting for the content of the diet and relative gene expression differences. Our analyses revealed that the gut microbiota influences host amino acid and glutathione metabolism in mice. This model is hosted on BioModels Database and identified by: MODEL1509220013. To cite BioModels Database, please use: BioModels Database: An enhanced, curated and annotated resource for published quantitative kinetic models. To the extent possible under law, all copyright and related or neighbouring rights to this encoded model have been dedicated to the public domain worldwide. Please refer to CC0 Public Domain Dedication for more information.

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Differences in genetic changes in brain tissue between wild-type mice and miR-7 knockout mice in the presence of brain tissue inflammation

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