2011
CYP4A11 T8590C polymorphism, salt-sensitive hypertension, and renal blood flow
Williams JS, Hopkins PN, Jeunemaitre X, Brown NJ. CYP4A11 T8590C polymorphism, salt-sensitive hypertension, and renal blood flow. Journal Of Hypertension 2011, 29: 1913-1918. PMID: 21873888, PMCID: PMC3309034, DOI: 10.1097/hjh.0b013e32834aa786.Peer-Reviewed Original ResearchConceptsMean arterial pressureHigh salt intakeRenal blood flowHypertensive individualsBlood pressureSalt intakeC alleleSalt restrictionNormotensive individualsBlood flowSalt-sensitive blood pressureSalt sensitivityLow-salt dietDiagnosis of hypertensionHigh blood pressureSalt-sensitive hypertensionRenal vasodilationPressor responseSalt dietArterial pressureAngiotensin IIAttenuated increaseSodium homeostasisCYP4A11 T8590C polymorphismHypertension
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
2007
Modulation of angiotensin II and norepinephrine-induced plasminogen activator inhibitor-1 expression by AT1a receptor deficiency
Brown NJ, Bradford J, Wang Z, Lea W, Ma L, Ma J, Vaughan DE, Fogo AB. Modulation of angiotensin II and norepinephrine-induced plasminogen activator inhibitor-1 expression by AT1a receptor deficiency. Kidney International 2007, 72: 72-81. PMID: 17429342, DOI: 10.1038/sj.ki.5002268.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAngiotensin II Type 1 Receptor BlockersAnimalsAortaBlood PressureGene Expression RegulationKidneyLiverLosartanMaleMiceMice, Inbred C57BLMice, KnockoutMyocardiumNorepinephrinePlasminogen Activator Inhibitor 1Random AllocationReceptor, Angiotensin, Type 1RNA, MessengerVasoconstrictor AgentsConceptsPAI-1 expressionPlasminogen activator inhibitor-1 expressionSystolic blood pressureAng IIBlood pressureReceptor deficiencyWT miceAngiotensin IIBaseline systolic blood pressureAT1a receptor deficiencyEffects of losartanReceptor knockout micePressor responseWT heartsReceptor mRNAKnockout miceLosartanNorepinephrinePAI-1AortaKidneyLiverMiceCell-type specificHeart
2004
Pharmacological Inhibition and Genetic Deficiency of Plasminogen Activator Inhibitor-1 Attenuates Angiotensin II/Salt-Induced Aortic Remodeling
Weisberg AD, Albornoz F, Griffin JP, Crandall DL, Elokdah H, Fogo AB, Vaughan DE, Brown NJ. Pharmacological Inhibition and Genetic Deficiency of Plasminogen Activator Inhibitor-1 Attenuates Angiotensin II/Salt-Induced Aortic Remodeling. Arteriosclerosis Thrombosis And Vascular Biology 2004, 25: 365-371. PMID: 15576638, DOI: 10.1161/01.atv.0000152356.85791.52.Peer-Reviewed Original ResearchMeSH KeywordsAcetatesAdministration, OralAngiotensin IIAnimalsAntigens, DifferentiationAortaAortic DiseasesBlood PressureChemokine CCL2Collagen Type ICollagen Type IIIDrug Evaluation, PreclinicalFibronectinsFibrosisGene Expression RegulationGlomerulosclerosis, Focal SegmentalHeartHypertrophy, Left VentricularIndoleacetic AcidsIndolesKidneyMaleMiceMice, Inbred C57BLMice, KnockoutMyocardiumNephrectomyOsteopontinPlasminogen Activator Inhibitor 1Random AllocationRNA, MessengerSialoglycoproteinsSingle-Blind MethodSodium Chloride, DietaryConceptsAng IIAortic remodelingCardiac fibrosisPAI-039PAI-1 inhibitionVascular remodelingCardiac hypertrophyMouse modelHeart/body weight ratioAng II/saltWall thickeningPharmacological inhibitionSmall molecule PAI-1 inhibitorAortic mRNA expressionHigh salt intakeAortic wall thickeningMale C57BL/6J miceBody weight ratioChemoattractant protein-1PAI-1 deficiencyPAI-1 activityPAI-1 inhibitorPlasminogen activator inhibitorPressor responseAngiotensin II
1998
Gender Affects Renal Vasoconstrictor Response to Ang I and Ang II
Gandhi S, Gainer J, King D, Brown N. Gender Affects Renal Vasoconstrictor Response to Ang I and Ang II. Hypertension 1998, 31: 90-96. PMID: 9449397, DOI: 10.1161/01.hyp.31.1.90.Peer-Reviewed Original ResearchConceptsRenal vasoconstrictor responsesAng II levelsAng IAng IIVasoconstrictor responsesPressor responseII levelsHeart rateAng I infusionPlasma renin activityAng II infusionBaseline blood pressureMean arterial pressureAng II concentrationsRenal plasma flowII infusionRenin activitySodium excretionAngiotensin infusionNormotensive subjectsArterial pressureBlood pressureCrossover studyI infusionACE activity