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Comparison of transcriptome profiles of human embryo cultured in either closed or standard incubator

ABSTRACT: Comparison of transcriptome profiles of human embryo cultured in either closed or standard incubator

PROVIDER: PRJNA472591 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7203710_1.fastq.gz	Fastqsanger.gz
	SRR7203710_2.fastq.gz	Fastqsanger.gz
	SRR7203711_1.fastq.gz	Fastqsanger.gz
	SRR7203711_2.fastq.gz	Fastqsanger.gz
	SRR7203712_1.fastq.gz	Fastqsanger.gz

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Comparison of transcriptome profiles of human embryo cultured in either closed or standard incubator

Project description:Measuring transcriptomic profiles of human embryos cultured in time-lapse imaging (TLI) incubator and standard incubator (SI) is crucial for studying whether the closed culture system has a positive impact on embryos. Here we used RNA-sequencing (RNA-Seq) to characterize and compare the gene expression profiles of TLI and SI cultured 8-cell embryos with the same quality grade. A total of 580,952,620 fragments were sequenced for zygote, SI and TLI groups. The global transcriptomic profiles of embryos from TLI group were similar to SI group, with a high distinct to zygotes. However, wo also detected 539 genes showing differential expression between the TLI and SI group with false discovery rate (FDR) < 0.05. Using GO enrichment analysis, we found that the high expressed genes in SI tend to execute functions, including transcription, RNA splicing and DNA repair, and the high expressed genes in TLI were enriched in the cell differentiation and methyltransferase activity pathway. This study provides the first comparison between SI and TLI via transcriptome analysis, and will serve as a basis for assessing the safety of TLI application in assisted reproductive technology.

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Project description:It is necessary to compare the transcriptomic profiles of human embryos cultured in time-lapse imaging (TLI) incubators and standard incubators (SI) in order to determine whether a closed culture system has a positive impact on embryos. In this study, we used RNA-sequencing (RNA-Seq) to characterize and compare the gene expression profiles of eight-cell embryos of the same quality grade cultured in TLI and SI. We sequenced a total of 580,952,620 reads for zygotes, TLI-cultured, and SI-cultured eight-cell embryos. The global transcriptomic profiles of the TLI embryos were similar to those of the SI embryos and were highly distinct from the zygotes. We also detected 539 genes showing differential expression between the TLI and SI groups with a false discovery rate (FDR) < 0.05. Using gene ontology enrichment analysis, we found that the highly expressed SI genes tended to execute functions such as transcription, RNA splicing, and DNA repair, and that the highly expressed TLI genes were enriched in the cell differentiation and methyltransferase activity pathways. This study, the first to use transcriptome analysis to compare SI and TLI, will serve as a basis for assessing the safety of TLI application in assisted reproductive technology.

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