2002
Dipeptidyl Peptidase IV Activity in Patients With ACE-Inhibitor-Associated Angioedema
Lefebvre J, Murphey LJ, Hartert TV, Jiao Shan R, Simmons WH, Brown NJ. Dipeptidyl Peptidase IV Activity in Patients With ACE-Inhibitor-Associated Angioedema. Hypertension 2002, 39: 460-464. PMID: 11882590, DOI: 10.1161/hy0202.103054.Peer-Reviewed Original ResearchConceptsDPPIV activityHypertensive volunteersHypertensive subjectsRemote historyAcute ACE inhibitionSerum DPPIV activityUntreated hypertensive controlsUntreated hypertensive subjectsMetabolism of bradykininDipeptidyl peptidase IV activityAcute ACEIChronic ACEiPeptidase IV activityCorticosteroid treatmentHypertensive controlsHypertensive patientsNormotensive volunteersNormotensive controlsACE inhibitorsACE inhibitionSubstance PBradykinin degradationAssociated angioedemaACEIAngioedema
2000
Metabolism of bradykinin In vivo in humans: identification of BK1-5 as a stable plasma peptide metabolite.
Murphey LJ, Hachey DL, Oates JA, Morrow JD, Brown NJ. Metabolism of bradykinin In vivo in humans: identification of BK1-5 as a stable plasma peptide metabolite. Journal Of Pharmacology And Experimental Therapeutics 2000, 294: 263-9. PMID: 10871321.Peer-Reviewed Original ResearchConceptsBK1-5Stable metaboliteRole of bradykininMetabolism of bradykininDose of bradykininInfused bradykininBradykinin infusionVenous plasmaExogenous bradykininPlasma concentrationsPharmacologic alterationsSystemic circulationFmol/Total doseBradykinin generationPlasma metabolitesHuman volunteersBradykininDisease statesInfusionBloodDoseMetabolitesAmino acid fragmentHuman diseasesInhibition of aminopeptidase P potentiates wheal response to bradykinin in angiotensin-converting enzyme inhibitor-treated humans.
Kim KS, Kumar S, Simmons WH, Brown NJ. Inhibition of aminopeptidase P potentiates wheal response to bradykinin in angiotensin-converting enzyme inhibitor-treated humans. Journal Of Pharmacology And Experimental Therapeutics 2000, 292: 295-8. PMID: 10604961.Peer-Reviewed Original ResearchConceptsDegradation of bradykininACE inhibitionWheal responseACE inhibitor quinaprilEffect of quinaprilNon-ACE pathwaysMetabolism of bradykininDose-response curveCardioprotective effectsIntradermal administrationIntradermal injectionOral administrationHealthy subjectsEnzyme inhibitorsSignificant interactionQuinaprilBradykininAminopeptidase PAngiotensinInhibitionAdministrationHuman skinPresent studyApstatinResponse
1999
Serum metabolism of bradykinin and des-Arg9-bradykinin in patients with angiotensin-converting enzyme inhibitor-associated angioedema
Blais C, Rouleau J, Brown N, Lepage Y, Spence D, Munoz C, Friborg J, Geadah D, Gervais N, Adam A. Serum metabolism of bradykinin and des-Arg9-bradykinin in patients with angiotensin-converting enzyme inhibitor-associated angioedema. Immunopharmacology 1999, 43: 293-302. PMID: 10596866, DOI: 10.1016/s0162-3109(99)00133-2.Peer-Reviewed Original ResearchConceptsDes-Arg9AE patientsC subjectsLife-threatening adverse reactionsEnzyme (ACE) inhibitor-associated angioedemaMetabolism of bradykininLocal inflammatory reactionEnzyme defectPreincubation of seraBK metabolismSensitive enzyme immunoassayB1 agonistSerum metabolismAdverse reactionsControl subjectsInflammatory reactionACEIAngioedemaAbnormal metabolismPatientsEnzyme inhibitorsSynthetic bradykininControl seraBradykininEnzyme immunoassay