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Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [In_vivo]

ABSTRACT: Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [In_vivo]

PROVIDER: PRJNA867325 | ENA |

REPOSITORIES: ENA

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Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid

Project description:Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid

| PRJNA867320 | ENA

Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [Organoid]

Project description:Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [Organoid]

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Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [intestinal organoids]

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Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [intestinal organoids]

Project description:We evaluated the effects of arachidonic acid (AA) on intestinal stem cell regeneration by RNA-seq and found that AA treatment led to strong upregulation of genes that are associated with stem cell reprogramming across the time points. AA elicits a conserved stem cell regeneration program in mouse intestinal organoids.

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Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [Organoid]

Project description:Single cell transcriptomic profiling (sc RNA-seq) of arachidonic acid (AA) induced gene expression pogram associated with regeneration in intestinal organoids.

2023-03-01 | GSE210728 | GEO

Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid [In_vivo]

Project description:Single cell transcriptomic profiling (sc RNA-seq) of diatery arachidonic acid (AA) induced gene expression pogram associated with regeneration in intestinal organoids.

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Epigenetic reprogramming of intestinal stemness by dietary arachidonic acid

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-03-01 | GSE210730 | GEO

Arachidonic acid promotes intestinal regeneration by activating Wnt signaling

Project description:We identify arachidonic acid (AA), as a direct proliferation promoter of intestinal epithelial cells, facilitating small intestinal regeneration. In the transcriptomes, it shows that AA treatment upregulated proliferation-related genes including Wnt signaling target genes, while downregulated differentiation-related genes including enterocyte, goblet cell, Paneth cell, enteroendocrine cell, and tuft cell markers. Additionally, AA could also upregulate stem cell-associated genes which have been highly expressed three days after 12Gy IR injury (e.g. Clu, Lamc2, Anxa1, Areg, and Ly6d). The study shows that AA treatment can be considered a potential therapy for irradiation injury repair and tissue regeneration.

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Parental high dietary arachidonic acid levels modulated the hepatic transcriptome of adult zebrafish (Danio rerio) progeny

Project description:Disproportionate high intake of n-6 polyunsaturated fatty acids (PUFAs) in the diet is considered as a major human health concern. The present study examines changes in the hepatic gene expression pattern of adult male zebrafish progeny associated with high levels of the n-6 PUFA arachidonic acid (ARA) in the parental diet. The parental generation (F0) was fed a diet which was either low (control) or high in ARA (high ARA). Progenies of both groups (F1) were given the control diet. No differences in body weight were found between the diet groups within adult stages of either F0 or F1 generation. Few differentially expressed genes were observed between the two dietary groups in the F0 in contrast to the F1 generation. Nonetheless, several links were found between the previous metabolic analysis of the parental fish and the gene expression analysis in their adult progeny. Main gene expression differences in the progeny were observed related to lipid and retinoid metabolism by PPAR/RXR playing a central role in mediating changes to lipid and long-chain fatty acid metabolism. The enrichment of genes involved in β-oxidation observed in the progeny, corresponded to the increase in peroxisomal β-oxidative degradation of long-chain fatty acids in the parental fish metabolomics data. Similar links between the F0 and F1 generation were identified for the methionine cycle and transsulfuration pathway in the high ARA group. In addition, estrogen signalling was found to be affected by parental high dietary ARA levels, where gene expression was opposite directed in F1 compared to F0. This study shows that the dietary n-3/n-6 PUFA ratio can alter gene expression patterns in the adult progeny. Whether the effect is mediated by permanent epigenetic mechanisms regulating gene expression in developing gametes needs to be further investigated.

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Arachidonic acid promotes intestinal regeneration by activating Wnt signaling

Project description:Arachidonic acid promotes intestinal regeneration by activating Wnt signaling

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