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Related Experiment Video

Updated: Jul 14, 2025

Isolation of Mouse Endometrial Epithelial and Stromal Cells for In Vitro Decidualization
08:37

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
PubMed
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.

Keywords:
cell morphologydecidualizationendometrium

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Last Updated: Jul 14, 2025

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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.