Key result
ACE inhibitors potentiate bradykinin exclusively by preventing metabolism but fail to prevent B2 receptor desensitization.
Population
Rabbit jugular vein (rbJV) bioassay system (endothelium-denuded veins)
Comparison
ACE inhibitors (captopril, enalaprilat) vs Tissues not pretreated with ACE inhibitors
Design
Preclinical
Authors
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Does not support changes to ACE inhibitor use; leaves open B2 receptor roles in human bradykinin responses.
ACE inhibitors potentiate bradykinin effects by preventing its metabolism and restoring tissue responsiveness by changing local bradykinin concentrations, rather than by preventing B2 receptor desensitisation.
Gobeil et al. (2002) studied this question. ACE inhibitors (captopril, enalaprilat) was evaluated on Contractile response to bradykinin and B2 receptor desensitisation. ACE inhibitors potentiate bradykinin exclusively by preventing its metabolism and restore tissue responsiveness by changing bradykinin concentrations, but do not prevent B2 receptor desensitisation.
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