ArticleInternational urology and nephrology2022
Urethral injection of dedifferentiated fat cells ameliorates sphincter damage and voiding dysfunction in a rat model of persistence stress urinary incontinence.
Article in International urology and nephrology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- Collagen remodeling drives continence recovery: radiofrequency therapy ameliorates SUI via TGF-β1/Smad2 pathway activation - evidence from a rat model.Lasers in medical science · 2026Article
- Adipose Tissue-Derived Therapies for Osteoarthritis: Multifaceted Mechanisms and Clinical Prospects.Cells · 2025Review
- The influence of biomimetic conditions on neurogenic and neuroprotective properties of dedifferentiated fat cells.Stem cells (Dayton, Ohio) · 2025Article
- Exploring the role of cell cycle regulation in human mature adipocyte dedifferentiation.Frontiers in cell and developmental biology · 2025Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
purposeDedifferentiated fat (DFAT) cells are mature adipocyte-derived multipotent cells that can be applicable to cell-based therapy for stress urinary incontinence (SUI). This study developed a persistence SUI model that allows long-term evaluation using a combination of vaginal distention (VD) and bilateral ovariectomy (OVX) in rats. Then, the therapeutic effects of DFAT cell transplantation in the persistence SUI model was examined.
methodsIn total, 48 Sprague-Dawley rats were divided into four groups and underwent VD (VD group), bilateral OVX (OVX group), VD and bilateral OVX (VD + OVX group), or sham operation (Control group). At 2, 4, and 6 weeks after injury, leak point pressure (LPP) and histological changes of the urethral sphincter were evaluated. Next, 14 rats undergoing VD and bilateral OVX were divided into two groups and administered urethral injection of DFAT cells (DFAT group) or fibroblasts (Fibroblast group). At 6 weeks after the injection, LPP and histology of the urethral sphincter were evaluated.
resultsThe VD + OVX group retained a decrease in LPP with sphincter muscle atrophy at least until 6 weeks after injury. The LPP and urethral sphincter muscle atrophy in the DFAT group recovered better than those in the fibroblast group.
conclusionsThe persistence SUI model was created by a combination of VD and bilateral OVX in rats. Urethral injection of DFAT cells inhibited sphincter muscle atrophy and improved LPP in the persistence SUI model. These findings suggest that the DFAT cells may be an attractive cell source for cell-based therapy to treat SUI.
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Registered trials
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