Ontology highlight
ABSTRACT:
PROVIDER: PRJNA896871 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR22139600.fastq.gz | Fastqsanger.gz | |||
| SRR22139601.fastq.gz | Fastqsanger.gz | |||
| SRR22139602.fastq.gz | Fastqsanger.gz | |||
| SRR22139603.fastq.gz | Fastqsanger.gz | |||
| SRR22139604.fastq.gz | Fastqsanger.gz |
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Project description:To assess the effect of sodium butyrate exposure on human ESC grown without culture support for self-renewal (I.e. without conditioned medium and added bFGF) in support of data generated on H1 hESC - two groups were compared - BG02 culture in feeder conditioned versus on sodium butyrate - in triplicate and compared on Agilent whole human genome array
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Project description:To assess the effect of sodium butyrate exposure on human ESC grown without culture support for self-renewal (I.e. without conditioned medium and added bFGF) in support of data generated on H1 hESC - two groups were compared - BG02 culture in feeder conditioned versus on sodium butyrate - in triplicate and compared on Agilent whole human genome array BG02 hESC were grown under two conitions - A. for 31 passages on Matrigel in feeder conditioned medium and B. for 29 passages on Matrigel in feeder conditioned medium followed by 20 passages in 0.2 mM sodium butyrate without conditioned medium and in human ES cell medium containing no added bFGF
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Project description:To assess the effect of sodium butyrate exposure on mouse ESC grown without self-renewal support (I.e. without feeders or LIF) - these cells were compared to cells grown without sodium buytrate, but with added mouse LIF via Agilent whole mouse genome array
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Project description:To assess the effect of sodium butyrate exposure on human ESC grown without culture support for self-renewal (I.e. without conditioned medium and added bFGF) - three groups were compared - H1 culture in feeder conditioned medium vs without conditioned medium in 0.2 mM sodium butyrate vs. grown in sodium butyrate for 4 passages followed by return to conditioned medium conditions for 3 passages. The three groups were grown in triplicate and compared on Agilent whole human genome array Experiment Overall Design: H1 hESC were grown under 3 conditions: A. 48 passages total, the last 9 passages off of feeders on Matrigel in feeder conditioned medium B. 48 passages total, within the last 9 passges, #39-41 were in conditioned medium and #42-48 were without conditioned medium and added bFGF but with 0.2 mM sodium butyrate on Matrigel C. 49 passages total, within the last 10 passages #39-41 were in conditioned medium, #42-46 in 0.2 mM sodium butyrate (without feeder of bFGF support) and #47-49 back to conditioned medium + bFGF. The RNA from these cells were compared via Agilent whole human genome array.
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Project description:Interventions: secondary prevention-FS:folic acid 0.8mg/day,sodium butyrate 700mg tid;primary prevention-control group:routine treatment;Group I-CV:calcium 1200mg/d vitamin D3 250 IU/d;primary prevention:folic acid 0.8mg/day;Group II-S:sodium butyrate 700mg tid;Group II-RT:therapeutic endoscopy and routine treatment;Group I-RT:routine treatment;Group II-FSCV:folic acid 0.8mg/day, sodium butyrate 700mg tid, c;Group II-CV:folic acid 0.8mg/day, sodium butyrate 700mg tid, c
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Project description:Acetate, propionate and butyrate are the main short-chain fatty acids (SCFAs) that arise from the fermentation of fibers by the colonic microbiota. While many studies focus on the regulatory role of SCFAs, their quantitative role as a catabolic or anabolic substrate for the host has received relatively little attention. To investigate this aspect, we infused conscious mice with physiological quantities of stable isotopes [1-13C]acetate, [2-13C]propionate or [2,4-13C2]butyrate directly into the cecum, which is the natural production site in mice, and analyzed their interconversion by the microbiota as well as their metabolism by the host. Cecal interconversion - pointing to microbial cross-feeding - was high between acetate and butyrate, low between butyrate and propionate and almost absent between acetate and propionate. As much as 62% of infused propionate was used in whole-body glucose production, in line with its role as gluconeogenic substrate. Conversely, glucose synthesis from propionate accounted for 69% of total glucose production. The synthesis of palmitate and cholesterol in the liver was high from cecal acetate (2.8% and 0.7%, respectively) and butyrate (2.7% and 0.9%, respectively) as substrates, but low or absent from propionate (0.6% and 0.0%, respectively). Label incorporation due to chain elongation of stearate was approximately 8-fold higher than de novo synthesis of stearate. Microarray data suggested that SCFAs exert only a mild regulatory effect on the expression of genes involved in hepatic metabolic pathways during the 6h infusion period. Altogether, gut-derived acetate, propionate and butyrate play important roles as substrates for glucose, cholesterol and lipid metabolism. Mice were infused in cecum with stably-labelled isotopes of the three main short chain fatty acids or control solution. After 6 hrs, livers were removed and pooled RNA samples were subjected to gene expression profiling.
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