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Model of Ischemia and Reperfusion Injury in Rabbits
Published on: November 3, 2023
Kohki tea protects the rabbit bladder from ischemia/reperfusion-induced contractile dysfunction
Robert M Levin1, Robert E Leggett, Catherine Whitbeck
1Stratton VAMC, Albany College of Pharmacy, Albany, NY 12208-3492, USA. levinr@acp.edu
Urologia Internationalis
|July 1, 2008
Summary
Kohki tea pretreatment significantly prevented bladder contractile dysfunctions caused by ischemia and reperfusion in rabbits. This suggests Kohki tea protects bladder smooth muscle and mucosa from ischemia/reperfusion injury.
Area of Science:
- Urology
- Pharmacology
- Physiology
Background:
- Ischemia/reperfusion is a known cause of obstructive bladder dysfunction.
- Kohki tea has previously shown protective effects against partial outlet obstruction-induced bladder dysfunction in rabbits.
Purpose of the Study:
- To investigate the preventative effects of Kohki tea pretreatment on bladder contractile dysfunctions induced by bilateral ischemia followed by reperfusion.
- To determine if Kohki tea protects bladder smooth muscle and mucosa from ischemia/reperfusion injury.
Main Methods:
- New Zealand white rabbits were pretreated with Kohki tea or vehicle for 3 weeks.
- Experimental groups underwent bilateral ischemia (1 or 3 hours) followed by reperfusion (1 hour or 1 week).
- Results were compared to sham-operated control groups.
Main Results:
- Kohki tea significantly reduced bladder contractile dysfunctions under all tested ischemia/reperfusion conditions.
- The protective effect of Kohki tea was observed consistently across different durations of ischemia and reperfusion.
Conclusions:
- Kohki tea demonstrates a protective role against ischemia/reperfusion-induced bladder dysfunction.
- The findings support the hypothesis that Kohki tea safeguards bladder smooth muscle and mucosa from cellular damage during ischemia/reperfusion events.
