2019
Dipeptidyl Peptidase 4 Inhibition Increases Postprandial Norepinephrine via Substance P (NK1 Receptor) During RAAS Inhibition
Wilson JR, Kerman SJ, Hubers SA, Yu C, Nian H, Grouzmann E, Eugster PJ, Mayfield DS, Brown NJ. Dipeptidyl Peptidase 4 Inhibition Increases Postprandial Norepinephrine via Substance P (NK1 Receptor) During RAAS Inhibition. Journal Of The Endocrine Society 2019, 3: 1784-1798. PMID: 31528826, PMCID: PMC6734191, DOI: 10.1210/js.2019-00185.Peer-Reviewed Original ResearchPostprandial blood pressureDPP4 inhibitionNPY 1Blood pressureHeart failureACE inhibitionSubstance PVasoactive peptidesPostprandial glucagon-like peptide-1Substance P receptor blockadeDipeptidyl peptidase-4 inhibitorsGlucagon-like peptide-1Mixed-meal studyAngiotensin receptor blockersDouble-blind treatmentPeptidase-4 inhibitorsType 2 diabetesReceptor-dependent mechanismAntihypertensive groupNPY 3Y1 agonistRAAS inhibitionReceptor blockersReceptor blockadeACE inhibitors
2017
Angiotensin-converting Enzyme Inhibitor and Other Drug-associated Angioedema
Stone C, Brown NJ. Angiotensin-converting Enzyme Inhibitor and Other Drug-associated Angioedema. Immunology And Allergy Clinics Of North America 2017, 37: 483-495. PMID: 28687104, DOI: 10.1016/j.iac.2017.04.006.Peer-Reviewed Original ResearchConceptsDrug-induced angioedemaEnzyme inhibitorsAngiotensin-converting enzyme inhibitorNon-β-lactam antibioticsNonsteroidal antiinflammatory agentsNonallergic angioedemaSubstance PTherapeutic decisionsAngioedemaAntiinflammatory agentsLactam antibioticsOther DrugΒ-lactam antibioticsDrugsPatientsLeukotrienesBradykininGenetic variantsAntibioticsInhibitorsAngiotensinProstaglandinsAgentsHistamineMainstay
2014
Substance P Increases Sympathetic Activity During Combined Angiotensin-Converting Enzyme and Dipeptidyl Peptidase-4 Inhibition
Devin JK, Pretorius M, Nian H, Yu C, Billings FT, Brown NJ. Substance P Increases Sympathetic Activity During Combined Angiotensin-Converting Enzyme and Dipeptidyl Peptidase-4 Inhibition. Hypertension 2014, 63: 951-957. PMID: 24516103, PMCID: PMC3984385, DOI: 10.1161/hypertensionaha.113.02767.Peer-Reviewed Original ResearchMeSH KeywordsAdultAngiotensin-Converting Enzyme InhibitorsBlood PressureBradykininCross-Over StudiesDipeptidyl Peptidase 4Double-Blind MethodEnalaprilatEnzyme InhibitorsFemaleHeart RateHumansMaleMiddle AgedNeurotransmitter AgentsNorepinephrinePeptidyl-Dipeptidase APyrazinesSitagliptin PhosphateSubstance PSympathetic Nervous SystemTriazolesVascular ResistanceConceptsDipeptidyl peptidase-4 inhibitionPeptidase-4 inhibitionTissue plasminogen activator releaseSubstance PDipeptidyl peptidase-4Plasminogen activator releaseSympathetic activityPeptidase-4Activator releasePlacebo-controlled crossover studyDipeptidyl peptidase-4 inhibitorsType 2 diabetes mellitusIntra-arterial enalaprilatForearm vascular resistanceForearm blood flowMean arterial pressurePeptidase-4 inhibitorsAngiotensin converting enzymeSubstrates of angiotensinVascular resistanceVasodilator responseArterial pressureBrachial arteryDiabetes mellitusCrossover study
2007
Dipeptidyl Peptidase IV in Angiotensin-Converting Enzyme Inhibitor–Associated Angioedema
Byrd JB, Touzin K, Sile S, Gainer JV, Yu C, Nadeau J, Adam A, Brown NJ. Dipeptidyl Peptidase IV in Angiotensin-Converting Enzyme Inhibitor–Associated Angioedema. Hypertension 2007, 51: 141-147. PMID: 18025295, PMCID: PMC2749928, DOI: 10.1161/hypertensionaha.107.096552.Peer-Reviewed Original ResearchConceptsEnzyme (ACE) inhibitor-associated angioedemaDipeptidyl peptidase IV activityHistory of angiotensinPeptidase IV activityControl subjectsSubstance PDipeptidyl peptidase IVEnzyme inhibitorsLife-threatening adverse effectsAngiotensin converting enzyme (ACE) inhibitorsEnzyme inhibitionAbsence of angiotensinPrevalence of smokingSera of patientsCase-control studyPeptidase IVSubstrates of angiotensinTissue edemaAssociated angioedemaAminopeptidase P activityVascular permeabilityAngioedemaAngiotensinAminopeptidase N activityAmino-terminal degradationDipeptidyl peptidase IV deficiency increases susceptibility to angiotensin-converting enzyme inhibitor–induced peritracheal edema
Byrd JB, Shreevatsa A, Putlur P, Foretia D, McAlexander L, Sinha T, Does MD, Brown NJ. Dipeptidyl peptidase IV deficiency increases susceptibility to angiotensin-converting enzyme inhibitor–induced peritracheal edema. Journal Of Allergy And Clinical Immunology 2007, 120: 403-408. PMID: 17531305, DOI: 10.1016/j.jaci.2007.04.012.Peer-Reviewed Original ResearchConceptsACE inhibitor-associated angioedemaDPPIV-deficient ratsMagnetic resonance imagingEdema formationSubstance PSerum dipeptidyl peptidase IV activityResonance imagingCaptopril-treated ratsSaline-treated ratsReceptor-dependent mechanismDipeptidyl peptidase IV activityPeptidase IV activityACE inhibitionSerial T2F344 ratsAnimal modelsEdemaAngioedemaDPPIV activityRatsDipeptidyl peptidase activityImpaired degradationSpantideDeficiencyMagnetic resonance
2006
Angiotensin-Converting Enzyme Inhibitor-Associated Angioedema
Byrd JB, Adam A, Brown NJ. Angiotensin-Converting Enzyme Inhibitor-Associated Angioedema. Immunology And Allergy Clinics Of North America 2006, 26: 725-737. PMID: 17085287, DOI: 10.1016/j.iac.2006.08.001.Peer-Reviewed Original ResearchConceptsACE inhibitor-associated angioedemaAngiotensin converting enzyme (ACE) inhibitorsEnzyme inhibitor usersNon-ACE pathwaysInhibitor usersAdverse eventsClinical recognitionSubstance PAssociated angioedemaEnzyme inhibitorsAngioedemaDefective degradationNonsmokersAngiotensinSmokersPathogenesisWhite AmericansBradykininIncidence
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