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ABSTRACT: Buffalo Corpus Luteum (Pregnancy)

PROVIDER: PRJNA453099 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7058492.fastq.gz	Fastqsanger.gz
	SRR7058493.fastq.gz	Fastqsanger.gz

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Project description:Buffalo Corpus Luteum (Cyclic)

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Temporal changes in the corpus luteum during early pregnancy

Project description:Temporal changes in the corpus luteum during early pregnancy

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Pregnancy-associated changes of peroxisome proliferator-activated receptor delta (PPARD) and cytochrome P450, family 21, subfamily A, polypeptide 2 (CYP21A2) expression in the bovine corpus luteum

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).

2019-09-22 | GSE128706 | GEO

Temporal changes in miRNA 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. Nanostring technology was used to profile miRNA. A total of 27 miRNA changed. MiRNA that increased were predicted to inhibit phosphatidylinositol signaling, while those that decreased may be negative regulators of steroidogenesis. Overall, these data indicate that there are changes in the CL of pregnancy that are important for continued luteal function.

2020-03-28 | GSE147623 | GEO

Profile of miRNA in Bovine corpora lutea

Project description:The corpus luteum (CL), an ovarian transient gland, develops from the remnants of the ovulatory follicle and produces progesterone, required for maintenance of pregnancy in mammals. The development of the CL is characterized by the differentiation of granulosal and thecal cells into luteal cells, cell hypertrophy and hyperplasia. As the CL matures, growth ceases and the tissue acquires the ability to undergo regression in response to luteolytic signals (prostaglandin F2alpha). The regulators of this transition are poorly understood. MicroRNA, posttranscriptional regulators of tissue development and function, are hypothesized to play a role during these processes. The goal of this study was to profile the expression of microRNA (miRNA) in the corpus luteum (CL) of Holstein cows at two time points of the estrous cycle (early-cycle (Day4) and midcycle (D9-12); day0= day of estrus) in order to investigate their role in regulating CL development and function.

2016-09-03 | GSE72733 | GEO

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.

2020-04-21 | GSE140854 | GEO

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.

2019-01-07 | GSE124110 | 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.

2014-08-10 | GSE59770 | GEO

Molecular profiling demonstrates modulation of immune cell function and matrix remodeling during luteal rescue

Project description:The corpus luteum (CL) is essential for maintenance of pregnancy in all mammals and luteal rescue, which occurs around day 16-19 in the cow, is necessary to maintain luteal progesterone production. Transcriptomic and proteomic profiling were performed to compare the day 17 bovine CL of the estrous cycle and pregnancy. Among mRNA and proteins measured, 140 differentially abundant mRNA and 24 differentially abundant proteins were identified. Pathway analysis was performed using four programs. Modulated pathways included T cell receptor signaling, vascular stability, cytokine signaling, and extracellular matrix remodeling. Two mRNA that were less in pregnancy were regulated by prostaglandin (PG) F2A in culture, while two mRNA that were greater in pregnancy were regulated by interferon tau (IFNT). To identify mRNA that could be critical regulators of luteal fate, the mRNA that were differentially abundant during early pregnancy were compared to mRNA that were differentially abundant during luteal regression. Eight mRNA were common to both datasets, including mRNA related to regulation of steroidogenesis and gene transcription. A subset of differentially abundant mRNA and proteins, including those associated with extracellular matrix functions, were predicted targets of differentially abundant microRNA (miRNA). Integration of miRNA and protein data, using miRPath, revealed pathways such as extracellular matrix-receptor interactions, abundance of glutathione, and cellular metabolism and energy balance. Overall, this study has provided a comprehensive profile of molecular changes in the corpus luteum during maternal recognition of pregnancy and has indicated that some of these functions may be miRNA-regulated.

2019-08-04 | GSE135342 | GEO

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