2015
Angiotensin converting enzyme inhibition increases ADMA concentration in patients on maintenance hemodialysis – a randomized cross-over study
Gamboa JL, Pretorius M, Sprinkel KC, Brown NJ, Ikizler TA. Angiotensin converting enzyme inhibition increases ADMA concentration in patients on maintenance hemodialysis – a randomized cross-over study. BMC Nephrology 2015, 16: 167. PMID: 26494370, PMCID: PMC4618919, DOI: 10.1186/s12882-015-0162-x.Peer-Reviewed Original ResearchConceptsEnd-stage renal diseaseAngiotensin receptor blockersMaintenance hemodialysisCross-over studyADMA levelsAsymmetric dimethylarginineACE inhibitionADMA productionADMA concentrationsShort-term ACE inhibitionRandomized cross-over studyIntracellular ADMA concentrationStudy of patientsEffect of bradykininB2 receptor stimulationACE inhibitor-induced increaseInhibitor-induced increaseRamipril treatmentCardiovascular morbidityReceptor blockersEndothelial dysfunctionRenal diseaseBradykinin levelsBackgroundEndothelial dysfunctionDialysis session
2010
Increased blood flow induces oxidative stress through an endothelium- and nitric oxide-independent mechanism
Fong P, Stafforini DM, Brown NJ, Pretorius M. Increased blood flow induces oxidative stress through an endothelium- and nitric oxide-independent mechanism. Free Radical Biology And Medicine 2010, 49: 301-305. PMID: 20423727, PMCID: PMC2916026, DOI: 10.1016/j.freeradbiomed.2010.04.023.Peer-Reviewed Original ResearchConceptsForearm blood flowHypertensive subjectsL-NMMAIsoprostane releaseBlood flowOxidative stressBasal forearm blood flowNitric oxide-independent mechanismEndothelium-independent mechanismNO synthase inhibitorEffect of bradykininMonomethyl-L-arginineIntraarterial bradykininPotent vasodilatorSynthase inhibitionSynthase inhibitorBradykininNitric oxideDependent mechanismReactive oxygen speciesHuman vasculatureSignificant increaseNitroprussideSubjectsOxygen species
2008
Bradykinin Type 2 Receptor BE1 Genotype Influences Bradykinin-Dependent Vasodilation During Angiotensin-Converting Enzyme Inhibition
Van Guilder GP, Pretorius M, Luther JM, Byrd JB, Hill K, Gainer JV, Brown NJ. Bradykinin Type 2 Receptor BE1 Genotype Influences Bradykinin-Dependent Vasodilation During Angiotensin-Converting Enzyme Inhibition. Hypertension 2008, 51: 454-459. PMID: 18180402, PMCID: PMC2581632, DOI: 10.1161/hypertensionaha.107.102574.Peer-Reviewed Original ResearchMeSH KeywordsAdultAngiotensin-Converting Enzyme InhibitorsBlood PressureBradykininDrug SynergismEnalaprilatEndothelium, VascularFemaleForearmGenotypeHumansInjections, Intra-ArterialMaleMethacholine ChlorideNitroprussidePolymorphism, GeneticReceptor, Bradykinin B2Regional Blood FlowSex FactorsTissue Plasminogen ActivatorVascular ResistanceVasodilationVasodilator AgentsConceptsForearm blood flowT-PA releaseForearm vascular resistanceVascular resistanceBlood flowBlood pressureTissue-type plasminogen activator releaseBasal forearm blood flowAngiotensin-Converting Enzyme InhibitionGenotype groupsNet t-PA releaseReceptor-mediated vasodilationBasal forearm vascular resistanceSystolic blood pressureBody mass indexIntra-arterial bradykininEffect of bradykininDegradation of bradykininPlasminogen activator releaseEnzyme inhibitionMass indexVascular responsesActivator releaseBradykininWhite American subjects
2002
Smoking Impairs Bradykinin-Stimulated t-PA Release
Pretorius M, Rosenbaum DA, Lefebvre J, Vaughan DE, Brown NJ. Smoking Impairs Bradykinin-Stimulated t-PA Release. Hypertension 2002, 39: 767-771. PMID: 11897760, DOI: 10.1161/hy0302.105767.Peer-Reviewed Original ResearchConceptsTissue plasminogen activator releaseTissue plasminogen activator responsePlasminogen activator releaseForearm blood flowDose-dependent increaseActivator releaseBlood flowDoses of nitroprussideSignificant dose-dependent increaseActivator responseStrain-gauge plethysmographyBody mass indexEffect of bradykininT-PA releaseReceptor-dependent mechanismEndothelial functionBrachial arteryMass indexMethacholineSmokersNonsmokersBradykininHuman endotheliumRandom orderSignificant differences
1997
Selective Stimulation of Tissue-Type Plasminogen Activator (t-PA) In Vivo by Infusion of Bradykinin
Brown N, Nadeau J, Vaughan D. Selective Stimulation of Tissue-Type Plasminogen Activator (t-PA) In Vivo by Infusion of Bradykinin. Thrombosis And Haemostasis 1997, 77: 522-525. PMID: 9066005, DOI: 10.1055/s-0038-1656000.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAngiotensin-Converting Enzyme InhibitorsAntihypertensive AgentsBlood PressureBradykininCaptoprilFemaleHumansHypertensionIsoquinolinesMalePlasminogen Activator Inhibitor 1QuinaprilRandomized Controlled Trials as TopicTetrahydroisoquinolinesTissue Plasminogen ActivatorConceptsT-PA antigen levelsTissue-type plasminogen activatorMean arterial pressureT-PA levelsAntigen levelsPAI-1 antigen levelsInfusion of bradykininSympathetic nervous systemEffect of bradykininTissue-type plasminogen activator secretionHypertensive patientsHemodynamic effectsArterial pressurePlasminogen activator secretionAngiotensin IIAnimal modelsPotent stimulusNervous systemPAI-1ACEIBradykininBradykinin resultsSelective stimulationPlasminogen activatorSignificant decrease
1996
Differential effects of angiotensin converting enzyme inhibitors on the vasodepressor and prostacyclin responses to bradykinin.
Brown NJ, Ryder D, Gainer JV, Morrow JD, Nadeau J. Differential effects of angiotensin converting enzyme inhibitors on the vasodepressor and prostacyclin responses to bradykinin. Journal Of Pharmacology And Experimental Therapeutics 1996, 279: 703-12. PMID: 8930174.Peer-Reviewed Original ResearchConceptsACE inhibitorsVasodepressor responseProstacyclin responsesEnzyme inhibitorsHigh-renin hypertensive patientsContribution of prostacyclinPlacebo-treated subjectsMean arterial pressureProstaglandin-independent mechanismEffect of bradykininDegradation of bradykininBradykinin doseProstacyclin metaboliteHypertensive patientsHypotensive responseVasodepressor effectArterial pressureBlood pressureACE inhibitionPGF1 alphaUrinary excretionProstacyclin productionProstaglandin productionBradykininClass effect