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Local Injection of Stem Cells Can Be a Potential Strategy to Improve Bladder Dysfunction after Outlet Obstruction in
Ching-Chung Liang1,2, Steven W Shaw2,3,4, Tse-Ching Chen2,5
1Female Urology Section, Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan 333, Taiwan.
International Journal of Molecular Sciences
|August 10, 2024
Summary
Human amniotic fluid stem cells (hAFSCs) show potential in treating bladder dysfunction caused by partial bladder outlet obstruction (pBOO). hAFSCs improve bladder function by targeting key cellular pathways involved in inflammation and fibrosis.
Area of Science:
- Regenerative Medicine
- Urology
- Cell Biology
Background:
- Partial bladder outlet obstruction (pBOO) leads to significant bladder dysfunction.
- Understanding the cellular mechanisms underlying pBOO is crucial for developing effective treatments.
Purpose of the Study:
- To investigate the therapeutic potential of human amniotic fluid stem cells (hAFSCs) in a rat model of pBOO.
- To elucidate the cellular pathways targeted by hAFSCs for improving bladder function.
Main Methods:
- Thirty-six female rats underwent sham or pBOO surgery, with some pBOO rats receiving hAFSCs.
- Evaluated bladder function via cystometry, and assessed inflammation, hypoxia, collagen, fibrosis, gap junctions, smooth muscle, and muscarinic receptors.
Main Results:
- pBOO induced bladder dysfunction, inflammation, hypoxia, increased collagen deposition, altered gap junction communication, and modified smooth muscle markers.
- hAFSCs treatment ameliorated these changes by inhibiting the TGFβ-Smad pathway, reducing collagen, disrupting gap junctions, and modulating smooth muscle and caveolae proteins.
Conclusions:
- hAFSCs demonstrate therapeutic efficacy in ameliorating pBOO-induced bladder dysfunction in rats.
- The findings support the potential of hAFSCs for treating bladder dysfunction in patients with bladder outlet obstruction.
