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- Title
A molecular staging model for accurately dating the endometrial biopsy.
- Authors
Teh, W. T.; Chung, J.; Holdsworth-Carson, S. J.; Donoghue, J. F.; Healey, M.; Rees, H. C.; Bittinger, S.; Obers, V.; Sloggett, C.; Kendarsari, R.; Fung, J. N.; Mortlock, S.; Montgomery, G. W.; Girling, J. E.; Rogers, P. A. W.
- Abstract
Natural variability in menstrual cycle length, coupled with rapid changes in endometrial gene expression, makes it difficult to accurately define and compare different stages of the endometrial cycle. Here we develop and validate a method for precisely determining endometrial cycle stage based on global gene expression. Our 'molecular staging model' reveals significant and remarkably synchronised daily changes in expression for over 3400 endometrial genes throughout the cycle, with the most dramatic changes occurring during the secretory phase. Our study significantly extends existing data on the endometrial transcriptome, and for the first time enables identification of differentially expressed endometrial genes with increasing age and different ethnicities. It also allows reinterpretation of all endometrial RNA-seq and array data that has been published to date. Our molecular staging model will significantly advance understanding of endometrial-related disorders that affect nearly all women at some stage of their lives, such as heavy menstrual bleeding, endometriosis, adenomyosis, and recurrent implantation failure. Natural variability in menstrual cycle length with rapid changes in gene expression makes it difficult to accurately compare different stages of the endometrial cycle. Here, the authors show a method for precisely determining endometrial cycle stage based on global gene expression that reveals remarkably synchronised daily changes for over 3,400 endometrial genes.
- Subjects
ENDOMETRIOSIS; MENSTRUATION; ENDOMETRIUM; MENSTRUAL cycle; MENORRHAGIA; GENE expression; EMBRYO implantation; BIOPSY
- Publication
Nature Communications, 2023, Vol 14, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-023-41979-z