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Sunflower oil supplementation affects the expression of miR-20a-5p and miR-142-5p in the lactating bovine mammary gland

ABSTRACT: Background : In lactating cow, a sunflower oil supplementation modulated the milk composition and the mammary genes expression whose mechanisms of regulations are unclear. Results : This lipid supplementation provoke, in mammary gland, the down regulation of microRNA miR-20a-5p and miR-142-5p, which are predicted to target genes previously determined as differentially expressed including those involved in lipid metabolism. Conclusion : Those two miRNA are good candidates to explain lipogenic genes regulations after sunflower oil supplementation. Significance : The current study clarified the nutriregulation of miRNA in the mammary gland.

ORGANISM(S): Bos taurus

PROVIDER: GSE81616 | GEO | 2016/07/01

SECONDARY ACCESSION(S): PRJNA322088

REPOSITORIES: GEO

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Sunflower oil supplementation affects the expression of miR-20a-5p and miR-142-5p in the lactating bovine mammary gland

Project description:Background : In lactating cow, a sunflower oil supplementation modulated the milk composition and the mammary genes expression whose mechanisms of regulations are unclear. Results : This lipid supplementation provoke, in mammary gland, the down regulation of microRNA miR-20a-5p and miR-142-5p, which are predicted to target genes previously determined as differentially expressed including those involved in lipid metabolism. Conclusion : Those two miRNA are good candidates to explain lipogenic genes regulations after sunflower oil supplementation. Significance : The current study clarified the nutriregulation of miRNA in the mammary gland. MiRNomes obtained by NGS sequencing of mammary gland of Holstein cows at the peak of lactation received a low forage diet supplemented or not with 4% of sunflower oil were compared. MiRNA differentially expressed confirmed by RT-qPCR were related to differentially expressed genes list previously identified in the same samples.

2016-07-01 | E-GEOD-81616 | biostudies-arrayexpress

Bos taurus

Project description:Sunflower oil supplementation affects the expression of miR-20a-5p and miR-142-5p in the lactating bovine mammary gland

| PRJNA322088 | ENA

miR-1199-5p and Zeb1: a novel double-negative feedback coordinating EMT and tumour cell invasion (mRNA-seq)

Project description:We investigated the effect of miR-1199-5p, miR-200b-3p and miR-429-3p on gene expression profiles during TGFbeta-induced EMT in normal murine mammary gland cells by using the mRNA-sequencing. Our analysis demonstrates that miR-1199-5p and both miR-200 family members share only 6 target genes, indicating that besides regulating Zeb1 expression they exert distinct functions during EMT.

2017-11-09 | GSE86024 | GEO

PETACC-8 miR-31-3p and miR-31-5p Ancillary Study

Project description:This is a prospective-retrospective study to determine if the expression of the miRNA’s miR-31-3p and miR-31-5p are prognostic of patient outcomes or predictive of the benefit from anti-EGFR therapy in stage III Colon Cancer. The present study will utilize FFPE tumor samples collected from patients enrolled in the PETACC-8 study conducted by the Fédération Francophone de Cancérologie Digestive (FFCD). This phase 3 clinical trial prospectively randomized fully resected stage III colon cancer patients to receive adjuvant treatment with either FOLFOX-4 plus cetuximab or FLOFOX-4 alone.

| 2260465 | ecrin-mdr-crc

Mammary gene expression profile of goats receiving high or low forage diets supplemented or not with lipids

2009-11-29 | GSE11592 | GEO

Mammary gene expression profile of goats receiving high or low forage diets supplemented or not with lipids

Project description:Animal nutrition considerably affects milk composition that influences its nutritional quality. Milk component synthesis and secretion by the mammary gland involve the expression of a large number of genes whose nutritional regulation remains poorly defined. In this study, 16 lactating goats received 4 experimental diets differing in either forage to concentrate ratio (high forage, HF, or low forage, LF) supplemented, or not, with lipids (whole rapeseeds, RS, or sunflower oil, SO) in a 4 x 4 Latin Square design. To investigate the pathways regulated by nutrition, we examined the effect of these diets on the expression of approximately 8400 genes in caprine mammary gland using a bovine oligonucleotide microarray. Due to the limited quantity of mammary RNA available, equal amounts of total RNA sample from mammary gland of each goat belonging to the same Latin Square group were mixed together before labeling. Each mammary pooled sample (4 by dietary treatment) was then co-hybridized with a standard reference corresponding to a mixture of purified total RNA from several caprine tissues. Each hybridization was repeated in a dye-swap manner for a total of 32 slides (8 slides and 4 independent comparisons by dietary treatment).

2009-11-29 | E-GEOD-11592 | biostudies-arrayexpress

Microarray of K562 cell line after overexpression of miR-15a-5p or miR-21-5p.

Project description:The aim was to look for target genes of miR-15a-5p or miR-21-5p.

2021-02-11 | E-MTAB-8776 | biostudies-arrayexpress

U937 miR-194-5p (UmiR-194-5p) vs U937 miR-194-5p (UmiR-194-5p) treated with MS275 (SNDX 275;Entinostat)

Project description:Transcriptional profiling of U937 miR-194-5p (UmiR-194-5p) vs U937 miR-194-5p (UmiR-194-5p) treated with MS275 (SNDX 275;Entinostat) for 24 h at 5uM concetration

2017-05-22 | GSE73647 | GEO

U937 miR-194-5p (UmiR-194-5p) vs U937 miR-194-5p (UmiR-194-5p) treated with SAHA (Vorinostat; suberoylanilide hydroxamic acid)

Project description:Transcriptional profiling of U937 miR-194-5p (UmiR-194-5p) vs U937 miR-194-5p (UmiR-194-5p) treated with SAHA (Vorinostat; suberoylanilide hydroxamic acid) for 24 h at 5uM concetration

2017-05-22 | GSE73648 | GEO

Gene expression profiles of U87 cells after transfection with hsa-miR-145-5p and 31-5p

Project description:We analyzed the expression profiles of hsa-miR-145-5p or hsa-miR-31-5p-targeting genes relating to invasion or migration after co-overexpression of hsa-miR-145-5p and 31-5p Gene expression profiles of U87 cells after co-transfection with hsa-miR-145-5p and 31-5p mimics, and U87 cells after transfection miR mimic negative control

2016-06-23 | E-GEOD-83643 | biostudies-arrayexpress

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