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Comparison of the transcription (coding and lncRNAs) of in vitro cultured bovine SAM-treated blastocysts and non-treated blastocysts

ABSTRACT: Transcriptome (total RNA) profiling of bovine in vitro cultured expanded blastocysts (EB) comparing control non-treated expanded blastocysts with SAM-treated expanded blastocysts. S-Adenosyl methionine (SAM) is the global methyl donor providing methyl group for variety of biomolecules such as DNA , histone, RNA, lipids and etc.

ORGANISM(S): Bos taurus

PROVIDER: GSE75430 | GEO | 2016/02/29

SECONDARY ACCESSION(S): PRJNA304280

REPOSITORIES: GEO

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Comparison of the transcription (coding and lncRNAs) of in vitro cultured bovine SAM-treated blastocysts and non-treated blastocysts

Project description:Transcriptome (total RNA) profiling of bovine in vitro cultured expanded blastocysts (EB) comparing control non-treated expanded blastocysts with SAM-treated expanded blastocysts. S-Adenosyl methionine (SAM) is the global methyl donor providing methyl group for variety of biomolecules such as DNA , histone, RNA, lipids and etc. Two-condition experiment, bovine non-treated expanded blastocysts (pools of 10) vs bovine SAM-treated expanded blastocysts. Four biological replicates of each tissue were hybridized to four two-color arrays in a dye-balanced design.

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Impact of maternal diet supplemented with selenium (Se) and vitamin B6 during pregnancy on gene expression of porcine expanded blastocysts (EB)

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Project description:In order to understand how in vitro culture affects embryonic quality, we analyzed survival and global gene expression in bovine blastocysts after exposure to increased oxidative stress conditions of IVC. A pro-oxidant agents that act intra-cellularly by inhibiting GSH synthesis (0.4 mM buthionine sulfoximine [BSO]) was added from days 3 to 7, and transcriptomic analysis was then performed in resulting blastocysts. Precisely, after in vitro maturation and fertilization, bovine zygotes were culture in vitro in normal condition, then at day 3, embryos were allocated into culture in control or supplemented with BSO (0.4 mM) until day 7. At this time, blastocysts were harvested and analyzed. Our hypothesis was that BSO treatment will affect blastocyst survival and gene expression associated with low embryo quality

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BSO-treated blastocysts vs CTL-treated blastocysts

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