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Updated: May 29, 2026

A Single Cell Dissociation Approach for Molecular Analysis of Urinary Bladder in the Mouse Following Spinal Cord Injury
Published on: June 17, 2020
Molecular reactions and ultrastructural damage in the chronically ischemic bladder
Kazem M Azadzoi1, Bin-Guan Chen, Ziv M Radisavljevic
1Department of Pathology, Veterans Affairs Boston Healthcare System, Boston, Massachusetts, USA. kazadzoi@bu.edu
Pelvic ischemia in rabbits caused an overactive bladder, increasing urinary frequency. This condition led to molecular changes and cellular damage in the bladder, suggesting ischemia
Area of Science:
- Urology
- Vascular Biology
- Cellular Biology
Background:
- Pelvic ischemia is a potential contributor to bladder overactivity.
- Understanding the molecular and cellular changes in an ischemic bladder is crucial.
Purpose of the Study:
- To characterize the molecular and ultrastructural reactions of a chronically ischemic bladder.
- To investigate the link between pelvic ischemia and bladder overactivity.
Main Methods:
- A rabbit model of pelvic ischemia was established.
- Urinary frequency, bladder blood flow, and cystometrograms were assessed.
- Molecular and ultrastructural analyses included qPCR, Western blot, and transmission electron microscopy.
Main Results:
- Ischemic bladders showed increased urinary frequency and spontaneous contractions.
- Upregulation of hypoxia-inducible factor-1α, transforming growth factor-β, and nerve growth factor B was observed.
- Ultrastructural analysis revealed mitochondrial injury, fibrosis, microvascular damage, and neurodegeneration.
Conclusions:
- Pelvic ischemia induces an overactive bladder phenotype in rabbits.
- Molecular and cellular changes associated with ischemia contribute to bladder dysfunction.
- Ischemia may play a significant role in bladder overactivity and lower urinary tract symptoms.
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