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Optimized Method for Establishing Primary Human Mesothelial Cell Cultures Preserving Epithelial Phenotype
Evdokiya Kuznetsova1, Nadezhda Bakalenko1, Liana Gaifullina1
1Institute of Cytology, Russian Academy of Sciences, 194064 St-Petersburg, Russia.
Biomolecules
|December 30, 2025
Summary
Researchers developed a new method to culture human mesothelial cells (MCs), preventing their transition to a mesenchymal state. This breakthrough supports studying serosal diseases and testing therapies.
Area of Science:
- Cell Biology
- Pathology
- Regenerative Medicine
Background:
- Mesothelial cells (MCs) are crucial for understanding serosal diseases, fibrosis, inflammation, and cancer.
- Maintaining the epithelial phenotype of MCs in vitro is challenging due to mesothelial-to-mesenchymal transition (MMT).
Purpose of the Study:
- To establish a reliable method for culturing primary human mesothelial cells.
- To overcome the challenge of mesothelial-to-mesenchymal transition (MMT) in vitro.
- To enable functional studies and therapeutic assessments using MCs.
Main Methods:
- A combined protocol using collagen IV coating.
- Inclusion of conditioned medium in cell culture.
- Short-term treatment with a ROCK inhibitor.
Main Results:
- Improved survival of mesothelial cells in primary cultures.
- Successful maintenance of the epithelial-like phenotype of MCs.
- Established a robust method for MC culture.
Conclusions:
- The developed protocol effectively preserves mesothelial cell phenotype in vitro.
- This method facilitates research into mesothelial cell function and disease pathogenesis.
- It provides a valuable platform for evaluating potential therapeutic strategies for serosal diseases.
