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Bovine Day 15 Extra-embryonic membrane (EEM): Male and Female Control vs. Male and Female CSF2 Methylation

ABSTRACT: We aimed to study the effects of CSF2 treatment on the methylome of the Day 15 female and male embryo. Methylomic profiling of bovine extra-embryonic membrane at Day 15 post-insemination produced by IVF. Oocytes were matured and fertilized in vitro using a single Holstein bull. After 5 days in vitro culture, the embryos were either treated with 10 ng/ml bovine recombinant CSF2 or the Control (DPBS/BSA) until Day 7. At Day 7, the embryos were transferred into recipients. At day 15 following insemination, embryos were flushed and collected for total RNA and gDNA extraction. The gender of the embryos were determined by PCR prior to microarray analysis. CSF2 males were compared to Control males while CSF2 females were compared to Control females

ORGANISM(S): Bos taurus

SUBMITTER: Kyle Dobbs

PROVIDER: E-GEOD-55873 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Sexual dimorphism in developmental programming of the bovine preimplantation embryo caused by colony-stimulating factor 2.

Dobbs Kyle B KB Gagné Dominic D Fournier Eric E Dufort Isabelle I Robert Claude C Block Jeremy J Sirard Marc-André MA Bonilla Luciano L Ealy Alan D AD Loureiro Barbara B Hansen Peter J PJ

Biology of reproduction 20140730 3

Physiology of the adult can be modified by alterations in prenatal development driven by the maternal environment. Developmental programming, which can be established before the embryo implants in the uterus, can affect females differently than males. The mechanism by which sex-specific developmental programming is established is not known. Here we present evidence that maternal regulatory signals change female embryos differently than male embryos. In particular, actions of the maternally deriv ...[more]

PMID: 25078682

Similar Datasets

CSF2 x gender interactions on the transcriptome of Day 15 bovine extra-embryonic membrane

Project description:We aimed to study the effects of CSF2 treatment on the transcriptome of the Day 15 female and male embryo. Within the raw files, channel 1= Cy3 and channel 2= Cy5 Transcriptional profiling of bovine extra-embryonic membrane at Day 15 post-insemination produced by IVF. Oocytes were matured and fertilized in vitro using a single Holstein bull. After 5 days in vitro culture, the embryos were either treated with 10 ng/ml bovine recombinant CSF2 or the Control (DPBS/BSA) until Day 7. At Day 7, the embryos were transferred into recipients. At day 15 following insemination, embryos were flushed and collected for total RNA and gDNA extraction. The gender of the embryos were determined by PCR prior to microarray analysis. CSF2 males were compared to Control males while CSF2 females were compared to Control females. Control females were also compared to control males.

2014-10-01 | E-GEOD-55364 | biostudies-arrayexpress

Consequences of conceptus exposure to colony stimulating factor 2 on survival, elongation, interferon-{tau} secretion and gene expression

Project description:Exposure of bovine conceptuses to colony stimulating factor 2 (CSF2) from Day 5 to 7 of development can increase the percent of transferred conceptuses that develop to term. The purpose of this experiment was to understand the mechanism by which CSF2 increases embryonic and fetal survival. Conceptuses were produced in vitro in the presence or absence of 10 ng/ml CSF2 from Day 5 to 7 after insemination, transferred into cows, and flushed from the uterus at Day 15 of pregnancy. There was a tendency (P=0.07) for the proportion of cows with a recovered conceptus to be greater for those receiving a CSF2 treated conceptus (35% for control vs. 66% for CSF2). Antiviral activity in uterine flushings, a measure of the amount of interferon-{tau} (IFNT2) secreted by the conceptus, tended to be greater for cows receiving CSF2-treated conceptuses than for cows receiving control conceptuses. This difference approached significance when only cows with detectable antiviral activity were considered (P=0.07). In addition, CSF2 increased mRNA for IFNT2 (P=0.06) and keratin 18 (P<0.05) in extraembryonic membranes. Among a subset of filamentous conceptuses that were analyzed by microarray hybridization, there was no effect of CSF2 on gene expression in the embryonic disc or extraembryonic membranes. Results suggest that the increase in calving rate caused by CSF2 treatment involves, in part, more extensive development of extraembryonic membranes and capacity of the conceptus to secrete IFNT2 at Day 15 of pregnancy. Experimental conditions: CSF2 treated vs. CSF2 nontreated bovine in vitro produced preimplantation embryos were tranfered to a receptor cow and recovered at Day 15 of embryo development. The embryonic disc (ED) and the trophectoderm (Tr) were used for the expression analysis separately. Biological replicates: CSF2 treated vs. nontreated bovine preimplantation embryos were used in a dye switch two-color microarray experimental design.

2011-12-15 | E-GEOD-26842 | biostudies-arrayexpress

Bovine Day 15 Extra-embryonic membrane (EEM): Male and Female Control vs. Male and Female CSF2 Methylation

Project description:We aimed to study the effects of CSF2 treatment on the methylome of the Day 15 female and male embryo.

2014-10-01 | GSE55873 | GEO

Consequences of conceptus exposure to colony stimulating factor 2 on survival, elongation, interferon-{tau} secretion and gene expression

2011-12-15 | GSE26842 | GEO

Deletion of CSF2RA in the bovine preimplantation embryo reduces development and affects embryonic gene expression in utero

Project description:The hypothesis that CSF2 plays a role in the preimplantation development of the bovine embryo was tested by evaluating consequences of deletion of CSF2RA (the functional receptor in the embryo) for development of embryos in utero. CRISPR/Cas9 was used to delete exon 5 and intron 5 of CSF2RA on chromosome 3. Control embryos were injected with Cas9 mRNA only. Embryos > 16 cells at day 5 after insemination were transferred to synchronized recipient females in groups of 7 to 24. Embryos were flushed from the uterus two days later. The proportion of recovered embryos that developed to the blastocyst stage was lower for knockout embryos (39%) than for control embryos (63%). RNA sequencing of individual morulae and blastocysts indicated a total of 27 (morula) or 15 (blastocyst) differentially-expressed genes (false discovery rate <0.05). Differentially-expressed genes as well as regulated gene sets identified by gene set enrichment analysis indicated that knockout affected genes playing roles in several functions including cell signaling and glycosylation. It was concluded that signaling through CSF2RA is not obligatory for development of the bovine preimplantation embryo to the blastocyst stage but that CSF2 signaling does enhance the likelihood that the embryo can become a blastocyst and result in specific changes in gene expression.

2023-05-10 | GSE222003 | GEO

Direct comparison of effects of slow-freezing and vitrification procedures on rabbit late blastocyst transcriptome

Project description:Nowadays there is a need to improve cryopreservation protocols in both human assisted reproduction and domestic animal field. We wanted to compare the transcriptomic changes induced by two commonly used cryopreservation procedures (slow freezing and vitrification) on rabbit late blastocyst before the onset of implantation. We recovered rabbit morulae at day 3 of development, freezing or vitrified and transferred them into recipient maternal tracts till day 6 of development. In this way, we wanted to analyse if different cryopreservation techniques produce different effects on gene expression that embryos are unable to get over after three days of in vivo development. After artificially insemination morulae were recovered at day 3 of development, frozen or vitrified, and then transferred to recipient does. To assess gene expression differences between frozen and vitrified the recipients were slaughtered three days after the transfer, at day 6.

2013-09-19 | E-GEOD-50979 | biostudies-arrayexpress

Effect of vitrification using the Cryotop method on the gene expression profile of in vitro-produced bovine embryos

Project description:Changes in gene expression induced by the Cryotop vitrification procedure in bovine blastocysts using Agilent EmbryoGENE microarray slides. Bovine in vitro-produced embryos at the blastocyst stage (144 to 156 hours post insemination) were vitrified using the Cryotop system and compared with non-vitrified (control) embryos. After vitrification, the embryos were warmed and cultured for an additional 4 hours. Embryos that re-expanded or developed to the expanded blastocyst stage were used for microarray analysis. Four pools of vitrified embryos were hybridized against four pools of control embryos in a dye-swap design.

2015-08-03 | E-GEOD-65953 | biostudies-arrayexpress

Differential Gene Expression Profile in Bovine Blastocysts Resulting from Hyperglycemia Exposure during Early Cleavage Stages

Project description:IVP blastocysts exposed to hyperglycaemia during early phase of development, i.e from zygote to 8-16 cells stages. Genes expression analysis is done at day 7.5 (7 days of embryo culture). Total RNA form glucose treated blastocysts (4 replicates of 10 embryos each) and control treated blastocysts (4 replicates of 10 embryos each) were compared on a 2-color micro-array design and dye swap.

2011-10-19 | E-GEOD-33008 | biostudies-arrayexpress

Intermittent suckling does not influence the gene expression of Day 9 embryos during early gestation in primiparous sows

Project description:Primiparous sows were randomly allocated to two treatments and were separated from piglets 8h daily from Day 21 of lactation companied with daily boar exposure for oestrus detection until weaning (Day 28). Gene expression of Day 9 embryos were compared between control sows (FE; sows artificially inseminated when in heat during lactation ) and Skip-a-Heat sows (SE; sows in heat during lactation and artificially inseminated on the following oestrus cycle). Stimulating lactational oestrus then two mating strategies were applied to primiparous sows; 1)FE; sows were in heat during lactation and received artificial insemination) and Skip-a-Heat sows (SE; sows were in heat during lactation and received artificial insemination at fallowing oestrus cycle).

2013-12-23 | E-GEOD-53576 | biostudies-arrayexpress

Comparison of Holstein and Jersey day 6 embryos

Project description:Some embryos display better survival potential to cryopreservation than others. The cause of such phenotype is still unclear and might be due to cell damage during cryopreservation, resulting from over-accumulation and composition of lipids. In cattle embryos, in vitro culture conditions have been shown to impact the number of lipid droplets within blastomeres. So far, the impact of breed on embryonic lipid content has not yet been studied. In this study were compared the colour, lipid droplet abundance, lipid composition, mitochondrial activity, and gene expression of in vivo collected Jersey breed embryos which are known to display poor performance post-freezing and in vivo Holstein embryos which have good cryotolerance. Holstein in vivo day 6 embryos vs Jersey in vivo day 6 embryos: 4 replicates of each breed, with dye-swap.

2014-10-22 | E-GEOD-62553 | biostudies-arrayexpress

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