Association between TGF-β1 and β-catenin expression in the vaginal wall of patients with pelvic organ prolapse
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View abstract on PubMed
Summary
This summary is machine-generated.Pelvic organ prolapse (POP) is linked to lower levels of transforming growth factor beta 1 (TGF-β1) and β-catenin. These factors impact pelvic floor collagen, contributing to POP development.
Area Of Science
- Gynecology
- Cell Biology
- Tissue Engineering
Background
- Pelvic organ prolapse (POP) is a common condition affecting women's health.
- The underlying mechanisms of POP, particularly the role of extracellular matrix remodeling, require further elucidation.
Purpose Of The Study
- To investigate the correlation and mechanism of action between transforming growth factor beta 1 (TGF-β1) and β-catenin in pelvic organ prolapse (POP).
- To analyze the expression of key proteins and mRNA involved in collagen metabolism and apoptosis in POP tissues.
Main Methods
- Comparison of vaginal wall tissues from 20 POP patients and 20 controls.
- Histological analysis using Hematoxylin and Eosin, Masson, and TUNEL staining.
- Assessment of protein and mRNA expression of TGF-β1, β-catenin, MMP2, TIMP2, and COL1A1 via immunohistochemistry, qPCR, and Western blot.
Main Results
- POP tissues exhibited sparse, disorganized collagen, increased apoptosis, and reduced expression of TGF-β1, β-catenin, TIMP2, and COL1A1 compared to controls.
- Matrix metallopeptidase 2 (MMP2) expression was significantly higher in POP tissues.
- Positive correlations were observed between TGF-β1, β-catenin, and COL1A1.
Conclusions
- Reduced levels of TGF-β1 and β-catenin are associated with altered pelvic floor collagen metabolism in POP.
- These molecular changes may play a crucial role in the pathogenesis of pelvic organ prolapse.
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