2010
Increased Sensitivity to Angiotensin II Is Present Postpartum in Women With a History of Hypertensive Pregnancy
Saxena AR, Karumanchi SA, Brown NJ, Royle CM, McElrath TF, Seely EW. Increased Sensitivity to Angiotensin II Is Present Postpartum in Women With a History of Hypertensive Pregnancy. Hypertension 2010, 55: 1239-1245. PMID: 20308605, PMCID: PMC2880505, DOI: 10.1161/hypertensionaha.109.147595.Peer-Reviewed Original ResearchConceptsLow-sodium balanceSoluble fms-like tyrosine kinase-1 levelsHypertensive pregnanciesDiastolic blood pressureAngiotensin IIBlood pressurePressor responseHigh sodium balanceInfused angiotensin IISystolic pressor responseNew-onset hypertensionAngiotensin II infusionFuture cardiovascular riskHigh-salt dietSystolic blood pressureII infusionCardiovascular riskNormotensive pregnanciesPostpartum womenSodium balancePregnancySalt loadingPostpartumDietary phasesWomen
2006
Endogenous NO Regulates Plasminogen Activator Inhibitor-1 During Angiotensin-Converting Enzyme Inhibition
Brown NJ, Muldowney JA, Vaughan DE. Endogenous NO Regulates Plasminogen Activator Inhibitor-1 During Angiotensin-Converting Enzyme Inhibition. Hypertension 2006, 47: 441-448. PMID: 16432054, DOI: 10.1161/01.hyp.0000202478.79587.1a.Peer-Reviewed Original ResearchMeSH KeywordsAdultAldosteroneAngiotensin-Converting Enzyme InhibitorsArginineDouble-Blind MethodDrug CombinationsEnzyme InhibitorsFemaleFibrinolysisHemodynamicsHumansInfusions, IntravenousMaleMiddle AgedNG-Nitroarginine Methyl EsterNitric OxideNitric Oxide SynthasePlasminogen Activator Inhibitor 1ProdrugsRamiprilReference ValuesRenin-Angiotensin SystemConceptsPlasminogen activator inhibitor-1Plasminogen activator inhibitor-1 antigenActivator inhibitor-1Salt-replete subjectsL-arginineFibrinolytic balanceInhibitor-1Angiotensin-Converting Enzyme InhibitionNO precursor L-argininePlasminogen activator inhibitor antigenTissue-type plasminogen activator antigenEffect of angiotensinPrecursor L-argininePlasminogen activator antigenNO synthase inhibitorEnzyme inhibitionT-PA activityRenin activityD-dimerInhibitor antigenNormal subjectsSynthase inhibitorEnzyme inhibitorsT-PAAntigen
1999
Bradykinin Stimulates Tissue Plasminogen Activator Release in Human Vasculature
Brown N, Gainer J, Stein C, Vaughan D. Bradykinin Stimulates Tissue Plasminogen Activator Release in Human Vasculature. Hypertension 1999, 33: 1431-1435. PMID: 10373228, DOI: 10.1161/01.hyp.33.6.1431.Peer-Reviewed Original ResearchConceptsForearm blood flowPlasminogen activator inhibitor antigenTissue plasminogen activator releaseDose-dependent increasePlasminogen activator releaseTPA releaseInhibitor antigenBlood flowActivator releaseMean arterial pressureStrain-gauge plethysmographyHuman vasculatureInfused armNormotensive volunteersArterial pressureVasodilator nitroprussidePlasma levelsTPA antigenHeart rateSystemic effectsSodium nitroprussideAcetylcholineBradykininNitroprussideRandom order
1998
Effect of Bradykinin-Receptor Blockade on the Response to Angiotensin-Converting–Enzyme Inhibitor in Normotensive and Hypertensive Subjects
Gainer JV, Morrow JD, Loveland A, King DJ, Brown NJ. Effect of Bradykinin-Receptor Blockade on the Response to Angiotensin-Converting–Enzyme Inhibitor in Normotensive and Hypertensive Subjects. New England Journal Of Medicine 1998, 339: 1285-1292. PMID: 9791144, DOI: 10.1056/nejm199810293391804.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAngiotensin-Converting Enzyme InhibitorsAntihypertensive AgentsBlood PressureBradykininBradykinin Receptor AntagonistsCaptoprilDiet, Sodium-RestrictedDrug InteractionsDrug Therapy, CombinationFemaleHumansHypertensionKidneyLosartanMaleReference ValuesRenin-Angiotensin SystemSingle-Blind MethodConceptsPlasma renin activityBlood pressureACE inhibitionHypertensive subjectsShort-term effectsRenin activitySpecific bradykinin receptor antagonistAngiotensin converting enzyme (ACE) inhibitorsAdministration of captoprilAdministration of losartanBradykinin receptor blockadeCoadministration of icatibantContribution of bradykininRenal hemodynamic responseNormal blood pressureRenin-angiotensin systemSeparate study daysBradykinin receptor antagonistDegradation of bradykininAntagonist losartanHypertensive personsHypotensive effectAngiotensin IIAngiotensin-ConvertingHemodynamic response
1997
Coadministration of glyburide and minoxidil, drugs with opposing effects on potassium channels
Stein C, Brown N, Carlson M, Campbell P, Wood A. Coadministration of glyburide and minoxidil, drugs with opposing effects on potassium channels. Clinical Pharmacology & Therapeutics 1997, 61: 662-668. PMID: 9209249, DOI: 10.1016/s0009-9236(97)90101-6.Peer-Reviewed Original ResearchConceptsBlood pressureHypotensive effectBlood pressure-lowering effectPotassium channelsIntravenous glucose tolerance testImportant pharmacodynamic interactionsSmall hypotensive responseDouble-blind fashionPressure-lowering effectCoadministration of drugsGlucose tolerance testSensitive potassium channelsSimilar significant decreaseBlood glucose concentrationHypotensive responsePharmacodynamic interactionsPharmacodynamic effectsSignificant hypoglycemiaHypoglycemic agentsTolerance testInsulin responseDrug interactionsHealthy subjectsHealthy volunteersHigh dose
1994
Simplified assay for the quantification of 2,3-dinor-6-ketoprostaglandin F1α by gas chromatography—mass spectrometry
Daniel V, Minton T, Brown N, Nadeau J, Morrow J. Simplified assay for the quantification of 2,3-dinor-6-ketoprostaglandin F1α by gas chromatography—mass spectrometry. Journal Of Chromatography B 1994, 653: 117-122. PMID: 8205238, DOI: 10.1016/0378-4347(93)e0432-p.Peer-Reviewed Original ResearchMeSH Keywords6-Ketoprostaglandin F1 alphaEpoprostenolGas Chromatography-Mass SpectrometryHumansReference ValuesReproducibility of Results
1991
A pharmacodynamic interaction between caffeine and phenylpropanolamine
Brown N, Ryder D, Branch R. A pharmacodynamic interaction between caffeine and phenylpropanolamine. Clinical Pharmacology & Therapeutics 1991, 50: 363-371. PMID: 1914371, DOI: 10.1038/clpt.1991.152.Peer-Reviewed Original ResearchConceptsBlood pressurePharmacodynamic interactionsPlasma renin activityRenin-angiotensin systemDrug-free subjectsCoadministration of caffeineRenin responseRenin activityPharmacokinetic interactionsCatecholamine levelsSupine positionNormal subjectsLatin square design studyDrug AdministrationRandom orderPhenylpropanolamineMetabolite levelsPlaceboCaffeineSubjectsAdditive increaseHoursCoadministrationEpinephrineAdministration