2018
Endogenous bradykinin and B1-B5 during angiotensin-converting enzyme inhibitor–associated angioedema
Hubers S, Kohm K, Wei S, Yu C, Nian H, Grabert R, Sexton DJ, Brown NJ. Endogenous bradykinin and B1-B5 during angiotensin-converting enzyme inhibitor–associated angioedema. Journal Of Allergy And Clinical Immunology 2018, 142: 1636-1639.e5. PMID: 30036596, PMCID: PMC6226317, DOI: 10.1016/j.jaci.2018.06.037.Peer-Reviewed Original Research
2006
Bradykinin and Its Metabolite Bradykinin 1-5 Inhibit Thrombin-Induced Platelet Aggregation in Humans
Murphey LJ, Malave HA, Petro J, Biaggioni I, Byrne DW, Vaughan DE, Luther JM, Pretorius M, Brown NJ. Bradykinin and Its Metabolite Bradykinin 1-5 Inhibit Thrombin-Induced Platelet Aggregation in Humans. Journal Of Pharmacology And Experimental Therapeutics 2006, 318: 1287-1292. PMID: 16772538, DOI: 10.1124/jpet.106.104026.Peer-Reviewed Original ResearchConceptsForearm blood flowNet t-PA releaseT-PA releaseThrombin-induced platelet aggregationPlatelet aggregationBradykinin 1Thrombin receptor-activating peptide-induced platelet aggregationTissue plasminogen activator antigenMajor stable metabolitePeptide-induced platelet aggregationDoses of bradykininThrombin receptor-activating peptideAntecubital venous bloodPlasminogen activator antigenArterial plasma samplesDose-dependent increaseGamma-thrombinReceptor-activating peptidePlatelet-rich plasmaPmol/minPeptide infusionBrachial arteryVenous bloodHealthy subjectsBlood flow
2005
Angiotensin-Converting Enzyme Inhibition Increases Basal Vascular Tissue Plasminogen Activator Release in Women But Not in Men
Pretorius M, Luther JM, Murphey LJ, Vaughan DE, Brown NJ. Angiotensin-Converting Enzyme Inhibition Increases Basal Vascular Tissue Plasminogen Activator Release in Women But Not in Men. Arteriosclerosis Thrombosis And Vascular Biology 2005, 25: 2435-2440. PMID: 16166566, DOI: 10.1161/01.atv.0000186185.13977.94.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAngiotensin-Converting Enzyme InhibitorsBlood PressureBradykininEnalaprilatFemaleHumansLuteal PhaseMaleMethacholine ChlorideMiddle AgedNitroprussideParasympathomimeticsPeptide FragmentsPeptidyl-Dipeptidase APostmenopausePremenopauseRegional Blood FlowSex CharacteristicsTissue Plasminogen ActivatorVasodilator AgentsConceptsT-PA releaseForearm blood flowBasal t-PA releaseNet t-PA releaseTissue plasminogen activator releasePostmenopausal womenPlasminogen activator releaseOlder menPremenopausal womenMenopausal statusActivator releaseIntra-arterial enalaprilatEffect of ACEIEndogenous bradykininHormone replacementExogenous bradykininBlood flowACEIBradykininEnalaprilatWomenYoung menMenEnzyme inhibitionRelease
2004
Angiotensin‐converting enzyme inhibition and smoking potentiate the kinin response to cardiopulmonary bypass
Pretorius M, McFarlane JA, Vaughan DE, Brown NJ, Murphey LJ. Angiotensin‐converting enzyme inhibition and smoking potentiate the kinin response to cardiopulmonary bypass. Clinical Pharmacology & Therapeutics 2004, 76: 379-387. PMID: 15470338, DOI: 10.1016/j.clpt.2004.06.004.Peer-Reviewed Original ResearchConceptsACE inhibitor groupMinutes of CPBCardiopulmonary bypassACE inhibitorsInhibitor groupKinin responseBradykinin concentrationsEffects of CPBCoronary artery bypass surgeryTissue-type plasminogen activator antigenPreoperative ACE inhibitorsArtery bypass surgeryPostoperative day 1Concentrations of bradykininEffect of smokingPlasminogen activator antigenKallikrein-kinin systemSignificant inverse correlationArterial pressureBypass surgeryFibrinolytic responseVenous bloodACE activityDay 1Enzyme inhibitorsThe Preparation and Characterization of Novel Peptide Antagonists to Thrombin and Factor VIIa and Activation of Protease-Activated Receptor 1
Nieman MT, Warnock M, Hasan AA, Mahdi F, Lucchesi BR, Brown NJ, Murphey LJ, Schmaier AH. The Preparation and Characterization of Novel Peptide Antagonists to Thrombin and Factor VIIa and Activation of Protease-Activated Receptor 1. Journal Of Pharmacology And Experimental Therapeutics 2004, 311: 492-501. PMID: 15210836, DOI: 10.1124/jpet.104.069229.Peer-Reviewed Original Research
2001
Quantification of BK1-5, the Stable Bradykinin Plasma Metabolite in Humans, by a Highly Accurate Liquid-Chromatographic Tandem Mass Spectrometric Assay
Murphey L, Hachey D, Vaughan D, Brown N, Morrow J. Quantification of BK1-5, the Stable Bradykinin Plasma Metabolite in Humans, by a Highly Accurate Liquid-Chromatographic Tandem Mass Spectrometric Assay. Analytical Biochemistry 2001, 292: 87-93. PMID: 11319821, DOI: 10.1006/abio.2001.5073.Peer-Reviewed Original ResearchMeSH KeywordsBradykininChromatography, LiquidHumansMass SpectrometryPeptide FragmentsQuality ControlAngiotensin-(1-7) Does Not Affect Vasodilator or TPA Responses to Bradykinin in Human Forearm
Wilsdorf T, Gainer J, Murphey L, Vaughan D, Brown N. Angiotensin-(1-7) Does Not Affect Vasodilator or TPA Responses to Bradykinin in Human Forearm. Hypertension 2001, 37: 1136-1140. PMID: 11304515, DOI: 10.1161/01.hyp.37.4.1136.Peer-Reviewed Original ResearchConceptsForearm blood flowAng IBlood flowTissue plasminogen activator responseTPA releaseAng I infusionDoses of AngHuman forearm vasculatureEffects of AngPeripheral vascular resistanceSystemic hemodynamic effectsRole of AngNormotensive subjectsVascular resistanceVasoconstrictor responsesVasodilator effectHemodynamic effectsBrachial arteryForearm vasculatureI infusionACE inhibitionSupraphysiological dosesRat modelConstant infusionAng
2000
Angiotensin-Converting Enzyme Insertion/Deletion Polymorphism Modulates the Human In Vivo Metabolism of Bradykinin
Murphey L, Gainer J, Vaughan D, Brown N. Angiotensin-Converting Enzyme Insertion/Deletion Polymorphism Modulates the Human In Vivo Metabolism of Bradykinin. Circulation 2000, 102: 829-832. PMID: 10952948, DOI: 10.1161/01.cir.102.8.829.Peer-Reviewed Original ResearchConceptsPlasma ACE activityACE activityInsertion/deletion polymorphismD genotypeD alleleBK1-5ACE I/D polymorphismEnzyme insertion/deletion polymorphismAngiotensin-Converting Enzyme Insertion/Deletion PolymorphismTissue plasminogen activator releaseAngiotensin II productionDeletion polymorphismTissue ACE activityACE D alleleACE I/IPlasminogen activator releaseFmol/mLPlasma ACE levelsBradykinin metabolismBrachial arteryVenous returnCardioprotective peptideKinin concentrationsACE levelsBradykinin concentrationsMetabolism 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 diseases