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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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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.

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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.

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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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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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Human Granulosa Cells Proteome

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