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MicroRNA dynamics in the bovine corpus luteum

ABSTRACT: The dynamics of microRNA transcriptome in the bovine corpus luteum during its formation, function and regression

PROVIDER: PRJEB20028 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	ERR1885450.fastq.gz	Fastqsanger.gz
	ERR1885441.fastq.gz	Fastqsanger.gz
	ERR1885443.fastq.gz	Fastqsanger.gz
	ERR1885434.fastq.gz	Fastqsanger.gz

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Effect of PGF2α on the transcriptome of the bovine corpus luteum

Project description:To investigate the rapid effects of PGF2α on the corpus luteum we performed gene expression profiling analysis using data obtained from RNA-seq of controls and treatments at two time points with 4 biological replicates/group .

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Effect of lactation and location relative to the corpus luteum on the transcriptome of the bovine oviduct epithelium

Project description:Lactation and associated metabolic stresses during the post-partum period have been shown to impair fertility in dairy cows. The oviduct plays key roles in embryo development and the establishment of pregnancy in cattle. The aim of this study was to investigate the effects of lactation and location relative to the corpus luteum (CL) on the transcriptome of the bovine oviduct epithelium.

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Prostaglandin F2α -induced changes in transcriptome of bovine mid cycle versus early corpus luteum

2010-07-31 | GSE23348 | GEO

Prostaglandin F2α -induced changes in transcriptome of bovine mid cycle versus early corpus luteum

Project description:Despite much investigation, mechanisms conferring stage specific responsiveness of the corpus luteum (CL) to prostaglandin F2 (PG) are unknown. The objective of this study was to identify PG- induced changes in transcriptome of bovine CL specific to d 11 ( PG responsive) but not d 4 (PG refractory) CL associated with luteolysis. CL were collected from heifers at 0, 4 and 24 h following PG injection on d 4 and 11 of the estrous cycle (n = 5 animals/treatment) and isolated RNA labeled and hybridized to Affymetrix GeneChip Bovine Genome Arrays. At 4 and 24 h post PG respectively, 221 (d 4) and 661 (d 11) and 248 (d 4) and 1419 (d 11) regulated genes were identified. Thirty Angus crossbred heifers were assigned to one of six treatments (n = 5 per treatment) in a 2 x 3 factorial arrangment, using a completely random design.Corpora lutea were collected at 0 (control), 4 or 24 h following injection of saline (control) or PG on d 4 or d 11 of the estrous cycle. Total RNA was isolated from luteal tissue. The isolated RNA was labeled and hybridized to Affymetrix GeneChip Bovine Genome Arrays.

2010-07-31 | E-GEOD-23348 | biostudies-arrayexpress

Effect of PGF2α on the transcriptome of the bovine corpus luteum

Project description:Effect of PGF2α on the transcriptome of the bovine corpus luteum

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Expression data from bovine corpus luteum treated with equine chorionic gonadotropin (eCG)

Project description:In order to indentify genes regulated by eCG, and involved in CL development and progesterone increases, the transcriptome was evaluated using the microarray technology Cows (Bos indicus) were divided into control, stimulated and superovulated groups. The stimulated group received 400 IU of eCG on day 8 and the superovulated group received 2000 IU of eCG on day 4 after the beginning of synchronization. Corpus luteum were collected at day 6 after ovulation e the trasncripitome was available by microarray.

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Transcriptomic profile of porcine corpus luteum after PPAR gamma ligands treatment

Project description:The corpus luteum plays a critical role in reproduction because it is the primary source of circulating progesterone. This study aimed to determine the in vitro effect of peroxisome proliferator-activated receptor gamma (PPARγ) ligands on the transcriptome genes expression in the porcine corpus luteum in the mid- and late-luteal phase of the estrous cycle using RNA-seq technology. The corpus luteum slices were incubated in vitro in the presence of PPARγ agonist – pioglitazone and antagonist—T0070907. We identified 40 differentially expressed genes after pioglitazone treatment and 40 after T0070907 treatment in the mid-luteal phase as well as 26 after pioglitazone and 29 after T0070907 treatment in late-luteal phase of the estrous cycle. In addition, we detected differences in genes expression between the mid- and late-luteal phase without treatment (409). These results should become a basis for further studies explaining the mechanism of PPARγ action in the reproductive system in pigs.

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miRNAs in the porcine corpus luteum

Project description:miRNAs in the porcine corpus luteum

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Gene expression data throughout spontaneous functional regression of the rhesus macaque corpus luteum.

Project description:Luteolysis of the corpus luteum (CL) during non-fertile cycles involves a cessation of progesterone (P4) synthesis (functional regression) and subsequent structural remodeling. The molecular processes responsible for initiation of luteal regression in the primate CL are poorly defined. Therefore, a genomic approach was utilized to systematically identify differentially expressed genes in the rhesus macaque CL during spontaneous luteolysis. CL were collected prior to (days 10-11 post-LH surge, mid-late [ML] stage) or during (days 14-16, late stage) functional regression. Based on P4 levels, late stage CL were subdivided into functional late (FL, serum P4 > 1.5 ng/ml) and functionally-regressed late (FRL, serum P4 < 0.5 ng/ml) groups (n=4 CL/group). Total RNA was isolated, labeled and hybridized to Affymetrix genome microarrays that contain elements representing the entire rhesus macaque transcriptome. With the ML stage serving as the baseline, there were 681 differentially expressed transcripts (>2-fold change; p< 0.05) that could be categorized into three primary patterns of expression: 1) increasing from ML through FRL, 2) decreasing from ML through FRL, and 3) increasing ML to FL, followed by a decrease in FRL. Ontology analysis revealed potential mechanisms and pathways associated with functional and/or structural regression of the macaque CL. Quantitative real-time PCR was used to validate microarray expression patterns of 13 genes with the results being consistent between the two methodologies. Protein levels were found to parallel mRNA profiles in 4 of 5 differentially expressed genes analyzed by Western blot. Thus, this database will facilitate the identification of mechanisms involved in primate luteal regression. Keywords: time course plus functional state of corpus luteum

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Gene expression profiles in the bovine corpus luteum (CL) of the estrous cycle and pregnancy: Possible roles of chemokines in regulating CL function during pregnancy

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