Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from fetal mouse lung from mothers fed high fibre or acetate

ABSTRACT: We used microarrays to detail the global programme of gene expression in the fetal lung late in gestation, from mothers that had been fed normal chow, high fibre, or acetate in the drinking water. The experiment was designed to examine the hypothesis that metabolites of the mother i.e. acetate could cross the placenta and influence gene transcription in the fetus. Diets used were "Normal chow" (NC) (8720310), or "High-fiber" (SF11-025) (Specialty feeds, Perth, Australia. Acetate (200 mM) was provided in the drinking water and refreshed three times per week. Gene expression in the lung may be affected by metabolites in utero. We examined whole lung of E21 fetuses from high-fiber fed mothers, normal chow fed mothers and acetate in drinking water fed mothers. Added fibre in the diet, or acetate in drinking water, would allow simple comparison with normal chow fed mothers, to determine whether fibre/acetate affected gene transcription in the fetal lung.

ORGANISM(S): Mus musculus

SUBMITTER: Charles Mackay 

PROVIDER: E-GEOD-69525 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Asthma is prevalent in Western countries, and recent explanations have evoked the actions of the gut microbiota. Here we show that feeding mice a high-fibre diet yields a distinctive gut microbiota, which increases the levels of the short-chain fatty acid, acetate. High-fibre or acetate-feeding led to marked suppression of allergic airways disease (AAD, a model for human asthma), by enhancing T-regulatory cell numbers and function. Acetate increases acetylation at the Foxp3 promoter, likely thro  ...[more]

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