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Transcriptome analysis of FSH response in bovine cumulus cells

ABSTRACT: Study the effect of recombinant human FSH supplementation in the in vitro maturation medium for an incubation of 6 hrs on the transcriptomics of bovine cumulus cells.

ORGANISM(S): Bos taurus

PROVIDER: GSE67970 | GEO | 2015/07/01

SECONDARY ACCESSION(S): PRJNA281390

REPOSITORIES: GEO

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Transcriptome analysis of FSH response in bovine cumulus cells

Project description:Study the effect of recombinant human FSH supplementation in the in vitro maturation medium for an incubation of 6 hrs on the transcriptomics of bovine cumulus cells. 3 biological replicates of cumulus cells derived from cumulus oocyte complexes (COCs) supplemented with FSH (CC-FSH) vs. cumulus cells without FSH (Ct-6H, REFERENCE) were contrasted. Each replicate was subjected to a dye-swap procedure.

2015-07-01 | E-GEOD-67970 | biostudies-arrayexpress

Transcriptome analysis of cyclic AMP (cAMP) response in bovine cumulus cells

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Transcriptome analysis of cyclic AMP (cAMP) response in bovine cumulus cells

Project description:Study the effect of forskolin, dipyridamol and IBMX (here called FID) supplementation in the in vitro maturation medium for an incubation of 6 hrs on the transcriptomics of bovine cumulus cells. 3 biological replicates of cumulus cells derived from cumulus oocyte complexes (COCs) supplemented with FID (CC-FID) vs. cumulus cells without FID (Ct-6H, REFERENCE) were contrasted. Each replicate was subjected to a dye-swap procedure.

2015-07-01 | E-GEOD-67968 | biostudies-arrayexpress

Transcriptome analysis of bovine cumulus cells during first 6 hrs of in vitro maturation

Project description:Study the effect of in vitro maturation system on the transcriptomics of bovine cumulus cells during incubation of first 6 hrs.

2015-07-01 | GSE67969 | GEO

Effect of FSH on the gene expression profile of cumulus cells in vitro cultured as cumulus-oocyte complexes in presence of adenosine for 6 h

Project description:Changes in gene expression induced by FSH in cumulus cells treated with adenosine using Agilent EmbryoGENE microarray slides. Bovine cumulus-oocyte complexes in vitro-cultured for 6 h using adenosine. The effect of FSH was compared with control as non-treated cumulus-oocyte complexes. After culture, COC were were washed and cumulus cells were used for microarray analysis

2018-09-12 | GSE119803 | GEO

Transcriptome analysis of bovine cumulus cells during first 6 hrs of in vitro maturation

Project description:Study the effect of in vitro maturation system on the transcriptomics of bovine cumulus cells during incubation of first 6 hrs. 3 biological replicates of cumulus cells derived from cumulus oocyte complexes (COCs) after 6 hrs of in vitro matutaion(Ct-6H) vs. cumulus cells before maturation (Ct-0H, REFERENCE) were contrasted. Each replicate was subjected to a dye-swap procedure.

2015-07-01 | E-GEOD-67969 | biostudies-arrayexpress

Expression data from mouse cumulus cells

2011-12-10 | GSE19327 | GEO

Gene expression analysis of bovine oocytes with high developmental competence obtained from FSH-stimulated animals

Project description:The objective of the study was to analyze the impact of various lenght FSH withdrawal period (coasting) after the last FSH injection on transcriptome changes in in vivo bovine oocytes at the GV stage. Oocytes were collected from super-stimulated animals after 20, 44, 68 and 92 hours of coasting. For each cow individually (biological replicate), each coasting time was compared to others (i.e. 20 hrs vs 44 hrs; 20 hrs vs 68 hrs; 20 hrs vs 92 hrs; 44 hrs vs 68 hrs; 44 hrs vs 92 hrs and 68 hrs vs 92 hrs) for a total of six comparisons. Overall, 36 hybridizations, corresponding to the three cows and six comparisons were done using a dye-swap set-up.

2013-06-21 | E-GEOD-38345 | biostudies-arrayexpress

Expression data from mouse cumulus cells

Project description:Follicle stimulating hormone (FSH) and epidermal growth factor (EGF) are currently used on cumulus-oocyte complexes to mimic the luteinizing hormone surge in vitro and induce oocyte maturation and cumulus expansion. We have previously shown that addition of exogenous recombinant growth differentiation factor 9 (GDF9) during oocyte in vitro maturation led to an improvement of oocyte quality, as shown by an increased blastocyst percentage and fetal survival. Our objective was to characterize the effect of FSH/EGF and GDF9 treatments on mouse cumulus cells expression profile by microarray analysis. Cumulus-oocyte complexes (COCs) were recovered from 21 to 26 day old female 129/SV mice, 44 hours post equine chorionic gonadotropin treatment (eCG (5 IU)). For the microarray experiment whole COCs were treated with 293H control medium (0.125% v/v), with 20 ng/ml GDF9 or with a combination of 50 mIU/ml FSH and 10 ng/ml EGF. After 8 hours of in vitro maturation, COCs were denuded by gentle pipetting, the oocytes were removed and the cumulus cells centrifuged and extracted RNA analysed by microarray.

2011-12-10 | E-GEOD-19327 | biostudies-arrayexpress

Bovine adult versus prepubertal cumulus cells

Project description:The present study was undertaken to discover molecular markers in bovine cumulus cells predictive of oocyte competence and elucidate their functional significance. Differences in RNA transcript abundance in cumulus cells harvested from oocytes of adult versus prepubertal animals (model of poor oocyte quality) were identified by microarray analysis. Four genes of interest encoding for the lysosomal cysteine proteinases cathepsin B, S, K and Z and displaying greater transcript abundance in cumulus cells surrounding oocytes harvested from prepubertal animals were chosen for further investigation. Greater mRNA abundance for such genes in cumulus cells of prepubertal oocytes was confirmed by real time RT-PCR. Elevated transcript abundance for cathepsins B, S and Z was also observed in cumulus cells surrounding adult metaphase II oocytes that developed to the blastocyst stage at a low percentage following parthenogenetic activation, versus those that developed at a high percentage. Functional significance of cumulus cell cathepsin expression to oocyte competence was confirmed by treatment of cumulus oocyte complexes during in vitro oocyte maturation with a cell permeable cysteine proteinase (cathepsin) inhibitor. Inhibitor treatment decreased apoptotic nuclei in the cumulus layer and enhanced development of parthenogenetically activated and in vitro fertilized adult oocytes to the blastocyst stage. Stimulatory effects of inhibitor treatment during meiotic maturation on subsequent embryonic development were not observed when oocytes were matured in the absence of cumulus cells. Results support a functional role for cumulus cell cathepsins in compromised oocyte competence and suggest that cumulus cell cathepsin mRNA abundance may be predictive of oocyte quality. Keywords: Bovine, microarray, cDNA, cumulus cells

2008-03-18 | GSE10819 | GEO

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