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Updated: Jul 14, 2025
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Isolation of Mouse Endometrial Epithelial and Stromal Cells for In Vitro Decidualization
Published on: March 2, 2017
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Quantitative Analysis of Cellular Morphology During In Vitro Decidualization.
Luciana Ant1, François Le Dily2, Miguel Beato2,3
1Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina.
Current Protocols
|October 9, 2023
Summary
A new method quantifies endometrial stromal cell decidualization by analyzing cell circularity, offering a simpler, low-cost alternative to traditional marker analysis for tracking cellular changes. This approach accurately assesses the effectiveness of hormonal treatments in vitro.
Area of Science:
- Reproductive Biology
- Cell Biology
- Biotechnology
Background:
- Decidualization is a critical differentiation process for human endometrial stromal cells, transforming them from fibroblast-like to epithelioid-like cells.
- Accurate verification of in vitro decidualization is essential for reproductive research, typically relying on marker expression.
- Existing automated tools struggle with the unique morphology of endometrial cells, hindering quantitative analysis.
Purpose of the Study:
- To develop a simple, accurate, and low-cost methodology for quantifying phenotypic changes during in vitro decidualization of human endometrial stromal cells.
- To establish a practical tool for evaluating the effectiveness of hormonal stimuli in inducing decidualization.
- To enable real-time monitoring of decidualization kinetics in single cell replicates.
Main Methods:
- Development of a methodology analyzing cell circularity from light microscopy images to quantify morphological changes.
- Application of a statistical model to detect differences in decidualization kinetics induced by hormonal stimuli (progesterone/progestin R5020 with estradiol and cAMP).
- Utilizing ImageJ for cell circularity quantification and statistical analysis of results.
Main Results:
- The developed methodology effectively quantifies phenotypic changes associated with in vitro decidualization.
- Statistical differences in cell morphology between treated and control cells were detectable as early as 2 days post-treatment.
- The approach allows for the assessment of decidualization without the need for cell replicates, unlike immunofluorescence or RT-qPCR.
Conclusions:
- A novel, practical, and cost-effective method for assessing in vitro decidualization of human endometrial stromal cells based on cell circularity analysis has been established.
- This technique provides a comprehensive morphological evaluation, complementing traditional marker-based assessments.
- The method facilitates the tracking of decidualization kinetics in real-time within a single experimental replicate.
