Related Experiment Video
Updated: Jun 2, 2026
06:01
Expression of Transgenes in Native Bladder Urothelium Using Adenovirus-Mediated Transduction
Published on: October 6, 2022
Expression and distribution of ectonucleotidases in mouse urinary bladder
Weiqun Yu1, Simon C Robson, Warren G Hill
1Renal Research Division, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, United States of America.
Plos One
|May 3, 2011
Summary
Ectonucleotidases, key in bladder signaling, show specific cell expression in mice. This study maps these enzymes, crucial for regulating purinergic receptors and understanding bladder function and disease.
Area of Science:
- Urology
- Molecular Biology
- Biochemistry
Background:
- Urinary bladder function relies on cell communication involving ATP.
- Ectonucleotidases regulate purinergic signaling by dephosphorylating nucleotides.
- Their role in the mammalian bladder is largely unknown.
Purpose of the Study:
- To investigate the expression and distribution of ectonucleotidases in the mouse urinary bladder.
- To establish a foundation for future genetic studies in bladder purinergic signaling.
Main Methods:
- Reverse transcription-polymerase chain reaction (RT-PCR) to detect ectonucleotidase gene expression.
- Immunofluorescence and confocal microscopy for protein localization.
- Immunoblotting to confirm protein presence.
Main Results:
- Eight ectonucleoside triphosphate diphosphohydrolase (NTPD) family members and 5'-nucleotidase (NT5E) were expressed in the mouse bladder.
- Specific localization patterns were identified: NTPD1 in endothelium and detrusor muscle, NTPD2 in the lamina propria, NTPD3 in urothelium, NTPD8 in urothelium, and NT5E in detrusor muscle.
- These enzymes collectively convert ATP to adenosine, suggesting coordinated regulation of purinergic signaling.
Conclusions:
- Ectonucleotidases display distinct, cell-specific expression in the bladder.
- Their coordinated action likely regulates ligand availability for purinergic receptors.
- This is the first comprehensive study of ectonucleotidase expression and localization in the mammalian urinary bladder.
