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Effect of PGF2α on the transcriptome of the bovine corpus luteum

ABSTRACT: Effect of PGF2α on the transcriptome of the bovine corpus luteum

PROVIDER: PRJNA896629 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22133900.fastq.gz	Fastqsanger.gz
	SRR22133901.fastq.gz	Fastqsanger.gz
	SRR22133902.fastq.gz	Fastqsanger.gz
	SRR22133903.fastq.gz	Fastqsanger.gz
	SRR22133904.fastq.gz	Fastqsanger.gz

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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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Effect of PGF2α on the transcriptome of the bovine corpus luteum

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

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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.

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

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

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Exploring the Plasma Proteome Linked to Corpus Luteum Presence and Conception Mode Across Pregnancy Stages and Postpartum

Project description:Observational data suggest that women conceiving without a corpus luteum are at higher risk of developing preeclampsia. While the underlying mechanisms remain unclear, the absence of corpus luteum-derived secretory products may be a contributing factor. This study investigates whether the plasma proteome differs between women who conceive with or without a corpus luteum and examines the relationship with mode of conception. Plasma samples from 12 participants were collected at three time points: first trimester, third trimester, and postpartum. The cohort included women who conceived unassisted (UC) after infertility, via artificial cycle frozen embryo transfer (AC FET), or natural cycle frozen embryo transfer (NC FET). 36 plasma protein samples were analyzed using mass spectrometry-based proteomics to compare the proteome of women who conceived with and without a corpus luteum, across different conception methods and pregnancy stages. In total, 528 proteins were quantified. No differentially expressed plasma proteins were identified between women with and without a corpus luteum. However, 15 proteins showed differential expression between UC and FET at all time points, with Bonferroni-corrected p<9.47 × 10E-5 and FC≥|2|. Several altered proteins, including PAPPA and ANG, were linked to preeclampsia. SERPINA7 was differentially detected when comparing time points within the unassisted conception method. No significant differences were detected between AC FET and NC FET. This pilot study revealed a unique proteomic signature associated with mode of conception. The findings suggest biologically plausible candidate proteins for further testing. Validation in larger cohorts or with alternative proteome analysis technologies is needed

2025-09-30 | PXD067974 | Pride

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