期刊
ISCIENCE
卷 24, 期 7, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.isci.2021.102751
关键词
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资金
- Medical Research Council, United Kingdom (MRC) [MR/K020501/1]
- Charlotte B. Failing Professorship
- MRC [MR/K020501/1] Funding Source: UKRI
Advancing age negatively affects female fertility by altering embryonic factors. Research suggests that samples from young women's trophectoderm interact with the uterine environment to enhance embryo implantation, revealing roles for extracellular exosomes, embryonic metabolism, and regulation of apoptosis in successful implantation.
Advancing age has a negative impact on female fertility. As implantation rates decline during the normal maternal life course, age-related, embryonic factors are altered and our inability to monitor these factors in an unbiased genome-wide manner in vivo has severely limited our understanding of early human embryo development and implantation. Our high-throughput methodology uses trophectoderm samples representing the full spectrum of maternal reproductive ages with embryo implantation potential examined in relation to trophectoderm transcriptome dynamics and reproductive maternal age. Potential embryo-endometrial interactions were tested using trophectoderm sampled from young women, with the receptive uterine environment representing the most 'fertile' environment for successful embryo implantation. Potential roles for extracellular exosomes, embryonic metabolism and regulation of apoptosis were revealed. These biomarkers are consistent with embryo-endometrial crosstalk/developmental competency, serving as a mediator for successful implantation. Our data opens the door to developing a diagnostic test for predicting implantation success in women undergoing fertility treatment.
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