Related Experiment Video
Updated: Jul 10, 2026
06:24
Establishing 3D Endometrial Organoids from the Mouse Uterus
Published on: January 6, 2023
Spatially Organized Human Ovarian Spheroids Instruct Endometrial Morphogenesis.
Maria João Sousa1, Silke De Vriendt2, Lixian Liu2
1Pôle de Recherche en Physiopathologie de la Reproduction, Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium.
Summary
This study engineered a human ovarian follicle model (SPHEGaT) that successfully instructed endometrial organoid remodeling through integrated signaling, unlike static hormone supplements. This highlights the importance of dynamic, localized cues in ovarian-endometrial communication.
Area of Science:
- Reproductive Biology
- Endocrinology
- Bioengineering
Background:
- The human ovarian-endometrial axis relies on complex endocrine signaling.
- Static hormone supplementation poorly mimics dynamic ovarian function.
- The role of integrated ovarian signaling in endometrial development is unclear.
Purpose of the Study:
- To engineer a functional human ovarian follicle model.
- To investigate its ability to instruct endometrial epithelial morphogenesis.
- To compare integrated signaling with static hormone supplementation.
Main Methods:
- Engineered a multilayered human follicle-like spheroid (SPHEGaT) from granulosa and theca-like cells.
- Co-cultured SPHEGaTs with human endometrial organoids (EMOs).
- Assessed EMO remodeling, gene expression, and hormone production.
Main Results:
- SPHEGaTs produced sustained, biologically active estradiol and progesterone.
- SPHEGaTs induced EMO folding morphogenesis and progesterone receptor upregulation.
- Integrated signaling, not just hormone concentration, influenced endometrial remodeling.
Conclusions:
- Engineered ovarian spheroids provide a platform for studying ovarian-endometrial communication.
- Dynamic, localized signaling is crucial for endometrial development.
- Static hormone models have limitations in reproductive bioengineering.
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01:22Oogenesis
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Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is known...
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01:20Folliculogenesis
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