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Temporal changes in the corpus luteum during early pregnancy

ABSTRACT: Temporal changes in the corpus luteum during early pregnancy

PROVIDER: PRJNA615852 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11433849.fastq.gz	Fastqsanger.gz
	SRR11433850.fastq.gz	Fastqsanger.gz
	SRR11433851.fastq.gz	Fastqsanger.gz
	SRR11433852.fastq.gz	Fastqsanger.gz
	SRR11433853.fastq.gz	Fastqsanger.gz

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Temporal changes in miRNA abundance in the corpus luteum during early pregnancy

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Temporal changes in mRNA abundance in the corpus luteum during early pregnancy

Project description:Although rescue of the corpus luteum is required for pregnancy, luteal function during maternal recognition of pregnancy remains largely unexplored. CL were collected from pregnant cattle on days 14, 17, 20, and 23, to encompass the maternal recognition of pregnancy period. Next Generation Sequencing was used to profile mRNA abundance during this time, while tandem mass spectrometry and Nanostring technology were used to profile proteins and miRNA, respectively. A total of 1157 mRNA were differentially abundant. mRNA that increased were regulators of interferon signaling and DNA repair, while those that decreased were associated with luteolytic processes, such as calcium signaling and matrix metallopeptidase (MMP) signaling, indicating inhibition of these processes. mRNA that were maximally abundant on day 20 were primarily associated with immune processes. Overall, these data indicate that there are changes in the CL of pregnancy that are important for continued luteal function.

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miRNAs in the porcine corpus luteum

Project description:Recently, microRNAs (miRNAs) have emerged as new players in the fine tuning of some reproductive functions in mammals via posttranscriptional gene regulation mechanisms. Importantly, miRNAs have been suggested to be an important regulators of various ovarian functions. Applying custom made multispecies arrays we aimed to analyze expression profile of miRNAs in corpus luteum to answer the question whether miRNAs can be involved in maintenance of luteal function during early pregnancy in pigs.

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Project description:To evaluate functional changes of the corpus luteum (CL) during early pregnancy in cows, gene expression profiles of the CL at the time of maternal recognition were investigated. Microarray analysis, using a 15 K bovine oligo DNA microarray, demonstrated 30 and 266 differentially expressed genes in the CL on days 15 (P15) and 18 (P18) of pregnancy compared with the CL on day 15 (NP15) of non-pregnancy (n=4 for each group, >2-fold change relative to NP15; P<0.05).

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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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Temporal changes in the corpus luteum during early pregnancy

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

2020-03-28 | GSE147631 | GEO

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

Project description:To determine functional differences between the corpus luteum (CL) of the estrous cycle and pregnancy in cows, gene expression profiles between the CL of the estrous cycle and pregnancy were investigated. A 15 K bovine oligo DNA microarray detected 138, 265 and 455 differentially expressed genes (>2-fold; P<0.05) in the bovine CL of 20-25, 40-45, and 150-160 days of pregnancy compared with 10-12 days of the estrous cycle. The different gene expression profiles may contribute to functional differences between the CL of pregnancy and the CL of the estrous cycle in cows. Chemokines including eotaxin and lymphotactin may regulate CL function during pregnancy. Bovine ovaries containing corpora lutea (CLs) were obtained from Japanese-Black cows in the institute ranch within 10-30 min of exsanguination. Tissue samples were collected from cows on 10-12 days of the estrous cycle (cyclic), 20-25, 40-45, and 150-160 days of the gestation (n=4 animals/stage). The day of artificial insemination was designated as day 1.

2014-08-10 | E-GEOD-59770 | biostudies-arrayexpress

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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