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Assessing the influence of distinct IVF culture media on human pre-implantation development using single-embryo transcriptomics

ABSTRACT: Assessing the influence of distinct IVF culture media on human pre-implantation development using single-embryo transcriptomics

PROVIDER: PRJNA877455 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21461003_1.fastq.gz	Fastqsanger.gz
	SRR21461003_2.fastq.gz	Fastqsanger.gz
	SRR21461004_1.fastq.gz	Fastqsanger.gz
	SRR21461004_2.fastq.gz	Fastqsanger.gz
	SRR21461005_1.fastq.gz	Fastqsanger.gz

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Assessing the influence of distinct IVF culture media on human pre-implantation development using single-embryo transcriptomics

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Project description:The use of assisted reproductive technologies is consistently rising across the world. However, making an informed choice on which embryo culture medium should be preferred to ensure satisfactory pregnancy rates and the health of future children critically lacks scientific background. In particular, embryos within their first days of development are highly sensitive to their micro-environment, and it is unknown how their transcriptome adapts to different embryo culture compositions. Here, we determined the impact of culture media composition on gene expression in human pre-implantation embryos. By employing single-embryo RNA-sequencing after 2 or 5 days of the post-fertilization culture in different commercially available media (Ferticult, Global, and SSM), we revealed medium-specific differences in gene expression changes. Embryos cultured pre-compaction until day 2 in Ferticult or Global media notably displayed 266 differentially expressed genes, which were related to essential developmental pathways. Herein, 19 of them could have a key role in early development, based on their previously described dynamic expression changes across development. When embryos were cultured after day 2 in the same media considered more suitable because of its amino acid enrichment, 18 differentially expressed genes thought to be involved in the transition from early to later embryonic stages were identified. Overall, the differences were reduced at the blastocyst stage, highlighting the ability of embryos conceived in a suboptimal in vitro culture medium to mitigate the transcriptomic profile acquired under different pre-compaction environments.

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Project description:Ectopic histone modification in extra-embryonic tissues influence implantation and placenta development of IVF embryos

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