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Single-cell transcriptome unveils mesenchymal cell diversity in endometriosis
Xia Chen1, Shengkun Zhang2, Yujuan Qi3
1Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, 20# Xisi Road, Nantong 226001, China.
Human Molecular Genetics
|April 30, 2025
Summary
This study maps mesenchymal cell subtypes in endometriosis, revealing their roles in protein synthesis, cell adhesion, and metabolism. Key genes involved in cell communication and extracellular matrix regulation were identified, advancing understanding of endometriosis pathogenesis.
Area of Science:
- Reproductive Biology
- Cell Biology
- Genomics
Background:
- Mesenchymal cells are crucial structural components of endometriotic lesions.
- The specific functions of mesenchymal cells in endometriosis pathogenesis are not well understood.
Purpose of the Study:
- To create a single-cell transcriptomic atlas of mesenchymal cells in endometriosis.
- To elucidate the diverse roles and functions of mesenchymal cell subpopulations in endometriosis.
Main Methods:
- Employed single-cell RNA sequencing (scRNA-seq) on ovarian tissues from endometriosis patients and normal controls.
- Analyzed transcriptomic data to identify and characterize distinct mesenchymal subclusters.
Main Results:
- Identified six distinct mesenchymal subclusters in normal and endometriotic ovaries.
- Mesenchymal cells are primarily involved in protein synthesis, cell adhesion, and metabolic processes.
- Discovered key differentially expressed genes (e.g., C3, FN1, COL3A1) linked to complement/coagulation, ECM regulation, and cell adhesion.
Conclusions:
- Provides a comprehensive transcriptomic dataset of mesenchymal cells in endometriosis.
- Offers novel insights into adhesive molecule and integrin networks within mesenchymal subclusters.
- Enhances the understanding of the pathomechanisms underlying endometriosis.
