Endometrial Cell Signaling in Reproductive Biology
Summary
The endometrium comprises epithelial, stromal and vascular cells whose co-ordinated interactions underpin changes across the menstrual cycle, implantation and decidualisation. Endometrial cell signalling integrates hormonal cues (oestrogen, progesterone), growth factors, cytokines and extracellular matrix interactions to regulate proliferation, differentiation and immune modulation. Hormone receptors (ER, PR, RAR) orchestrate gene-expression programmes, while pathways such as WNT, PI3K–Akt, MAPK and TGFβ/SMAD mediate cell-fate decisions. Paracrine factors from stromal cells modulate epithelial responses and stromal–immune cross-talk ensures tolerance to the implanting conceptus. Dysregulation of these signals is implicated in infertility, recurrent implantation failure and endometrial pathologies.
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Endometrial Cell Signaling in Reproductive Biology publication trend
The graph below shows the total number of articles in endometrial cell signaling in reproductive biology across all publications each year (not limited to Nature Index journals).
Technical terms
Endometrium: The inner uterine lining that undergoes cyclical changes to support embryo implantation and pregnancy.
Decidualisation: Hormone-induced transformation of stromal cells into specialised secretory decidual cells essential for pregnancy maintenance.
Endometrial receptivity: The temporal window during the mid-luteal phase when the endometrium becomes optimally receptive to embryo implantation.
Paracrine signalling: Communication between cells by secretion of factors that affect nearby target cells within the tissue.
Retinoic acid receptor α (RARα): A nuclear receptor that mediates the effects of retinoic acid on gene transcription in endometrial cells.
Oestrogen receptors (ERα, ERβ, GPER): Nuclear and membrane-associated receptors that transduce oestrogen signals to regulate endometrial proliferation and differentiation.
CCAAT/enhancer-binding protein β (C/EBPβ): A transcription factor that controls gene expression during stromal cell decidualisation.
References
- Deficiency of RARα Suppresses Decidualization via Downregulating CEBPB Transcription in Women With Recurrent Implantation Failure. Frontiers in Endocrinology (2022).
- Estrogen Receptor Function: Impact on the Human Endometrium. Frontiers in Endocrinology (2022).
- Inside the Endometrial Cell Signaling Subway: Mind the Gap(s). International Journal of Molecular Sciences (2018).
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