2012
Polymorphisms in the transcription factor NRF2 and forearm vasodilator responses in humans
Marczak ED, Marzec J, Zeldin DC, Kleeberger SR, Brown NJ, Pretorius M, Lee CR. Polymorphisms in the transcription factor NRF2 and forearm vasodilator responses in humans. Pharmacogenetics And Genomics 2012, 22: 620-628. PMID: 22668754, PMCID: PMC3599320, DOI: 10.1097/fpc.0b013e32835516e5.Peer-Reviewed Original ResearchConceptsForearm vascular resistanceForearm blood flowVariant allele carriersVasodilator responseSodium nitroprussideVascular functionAllele carriersStrain-gauge venous occlusion plethysmographyLower forearm blood flowEndothelial-independent mannerForearm vasodilator responseVenous occlusion plethysmographyWild-type individualsTranscription factor Nrf2Endothelial dysfunctionOcclusion plethysmographyVascular resistanceIncremental dosesCardiovascular diseaseBlood flowG genotypeA polymorphismSignificant associationBasal conditionsFactor Nrf2Polymorphisms in the serum- and glucocorticoid-inducible kinase 1 gene are associated with blood pressure and renin response to dietary salt intake
Rao AD, Sun B, Saxena A, Hopkins PN, Jeunemaitre X, Brown NJ, Adler GK, Williams JS. Polymorphisms in the serum- and glucocorticoid-inducible kinase 1 gene are associated with blood pressure and renin response to dietary salt intake. Journal Of Human Hypertension 2012, 27: 176-180. PMID: 22648267, PMCID: PMC3463709, DOI: 10.1038/jhh.2012.22.Peer-Reviewed Original ResearchMeSH KeywordsAdultBiomarkersBlood PressureChi-Square DistributionEuropeFemaleGene FrequencyGenetic Predisposition to DiseaseHumansHypertensionImmediate-Early ProteinsLinear ModelsLinkage DisequilibriumLogistic ModelsMaleMiddle AgedPhenotypePolymorphism, Single NucleotideProtein Serine-Threonine KinasesReninRenin-Angiotensin SystemSodium Chloride, DietaryUnited StatesWhite PeopleConceptsDietary salt intakeBlood pressureSalt intakeSingle nucleotide polymorphismsHigher systolic blood pressureMeasurement of BPAldosterone system activityRAA system activitySystem activitySystolic blood pressureSalt-sensitive hypertensionSGK1 gene variantGlucocorticoid-inducible kinase 1Non-significant trendNormotensive populationRenin responseEpithelial sodium channelHuman hypertensionGenotype statusStudy populationDistal nephronHypertensionAdditive genetic modelSodium channelsGene variants
2011
The Fok1 vitamin D receptor gene polymorphism is associated with plasma renin activity in Caucasians
Vaidya A, Sun B, Forman JP, Hopkins PN, Brown NJ, Kolatkar NS, Williams GH, Williams JS. The Fok1 vitamin D receptor gene polymorphism is associated with plasma renin activity in Caucasians. Clinical Endocrinology 2011, 74: 783-790. PMID: 21521263, PMCID: PMC3089671, DOI: 10.1111/j.1365-2265.2011.03991.x.Peer-Reviewed Original ResearchConceptsPlasma renin activityVitamin D receptorLow plasma renin activityDietary sodium balanceRenin-angiotensin systemRenin activityFok1 polymorphismSodium balanceVitamin D receptor gene polymorphismsD receptor gene polymorphismsPopulation of hypertensivesReceptor gene polymorphismsFok1 genotypeHyperPATH cohortD deficiencyMultivariable analysisNormotensive individualsVitamin DRenin expressionVDR geneCardiovascular diseaseD receptorHuman studiesGene polymorphismsT allele
2010
Sex-dependent and race-dependent association of XPNPEP2 C-2399A polymorphism with angiotensin-converting enzyme inhibitor-associated angioedema
Woodard-Grice AV, Lucisano AC, Byrd JB, Stone ER, Simmons WH, Brown NJ. Sex-dependent and race-dependent association of XPNPEP2 C-2399A polymorphism with angiotensin-converting enzyme inhibitor-associated angioedema. Pharmacogenetics And Genomics 2010, 20: 532-536. PMID: 20625347, PMCID: PMC2945219, DOI: 10.1097/fpc.0b013e32833d3acb.Peer-Reviewed Original ResearchThe Relationship between Peroxisome Proliferator-Activated Receptor-γ and Renin: A Human Genetics Study
Underwood PC, Sun B, Williams JS, Pojoga LH, Chamarthi B, Lasky-Su J, Raby BA, Hopkins PN, Jeunemaitre X, Brown NJ, Adler GK, Williams GH. The Relationship between Peroxisome Proliferator-Activated Receptor-γ and Renin: A Human Genetics Study. The Journal Of Clinical Endocrinology & Metabolism 2010, 95: e75-e79. PMID: 20631015, PMCID: PMC2936061, DOI: 10.1210/jc.2010-0270.Peer-Reviewed Original ResearchConceptsPRA levelsPeroxisome proliferator-activated receptor gamma agonistPlasma renin activity levelsProliferator-activated receptor gamma agonistsVolume retentionAfrican-American hypertensivesHigh PRA levelsLow-salt dietRenin activity levelsAngiotensin II infusionMajor allele carriersSingle nucleotide polymorphismsC allele carrier statusReceptor gamma agonistsAllele carrier statusII infusionHypertensive participantsCombined P valueHuman hypertensionGamma agonistsNucleotide polymorphismsAllele carriersPPARgamma agonistsPPARgamma geneRenin
2008
The T8590C Polymorphism of CYP4A11 and 20-Hydroxyeicosatetraenoic Acid in Essential Hypertension
Laffer CL, Gainer JV, Waterman MR, Capdevila JH, Laniado-Schwartzman M, Nasjletti A, Brown NJ, Elijovich F. The T8590C Polymorphism of CYP4A11 and 20-Hydroxyeicosatetraenoic Acid in Essential Hypertension. Hypertension 2008, 51: 767-772. PMID: 18227405, PMCID: PMC2365894, DOI: 10.1161/hypertensionaha.107.102921.Peer-Reviewed Original ResearchConceptsBlood pressureC carriersHypertensive subjectsSalt-sensitive hypertensive subjectsHigher diastolic blood pressureT8590C polymorphismSalt-sensitive subjectsDiastolic blood pressureMicroU/mLDahl S ratsSerum insulin concentrationsC allele carriersC allele frequencySalt sensitivityPressure natriuresisEssential hypertensionFractional excretionSerum insulinHip ratioHuman hypertensionInsulin resistanceInsulin sensitivitySodium balanceInsulin concentrationsTT subjects
2007
Functional BSND Variants in Essential Hypertension*
Sile S, Gillani NB, Velez DR, Vanoye CG, Yu C, Byrne LM, Gainer JV, Brown NJ, Williams SM, George AL. Functional BSND Variants in Essential Hypertension*. American Journal Of Hypertension 2007, 20: 1176-1182. PMID: 17954364, DOI: 10.1016/j.amjhyper.2007.07.003.Peer-Reviewed Original ResearchConceptsThick ascending limbControl populationNormotensive control populationSodium chloride reabsorptionClC-Kb chloride channelsBlood pressure regulationLogistic regression analysisRenal salt reabsorptionChloride channelsNormotensive populationEssential hypertensionChloride reabsorptionHomogenous cohortStudy populationHypertensionAscending limbGhanaian subjectsSalt reabsorptionHispanic subjectsClC-KbCaucasian populationPartial lossSingle nucleotide polymorphismsRegression analysisRare variantsThe Bradykinin Type 2 Receptor BE1 Polymorphism and Ethnicity Influence Systolic Blood Pressure and Vascular Resistance
Pretorius MM, Gainer JV, Van Guilder GP, Coelho EB, Luther JM, Fong P, Rosenbaum DD, Malave HA, Yu C, Ritchie MD, Vaughan DE, Brown NJ. The Bradykinin Type 2 Receptor BE1 Polymorphism and Ethnicity Influence Systolic Blood Pressure and Vascular Resistance. Clinical Pharmacology & Therapeutics 2007, 83: 122-129. PMID: 17522594, DOI: 10.1038/sj.clpt.6100250.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlack or African AmericanBlood Flow VelocityBlood PressureBradykininDose-Response Relationship, DrugFemaleForearmGene FrequencyGenotypeHumansInfusions, Intra-ArterialMaleNitroprussidePhenotypePolymorphism, GeneticReceptor, Bradykinin B2Regional Blood FlowVascular ResistanceVasodilator AgentsWhite PeopleConceptsSystolic blood pressureForearm vascular resistanceVascular resistanceBlood pressureEndothelium-independent agonist sodium nitroprussideEndothelium-dependent agonist bradykininIntrabrachial artery infusionsLeft ventricular massBradykinin B2 receptor geneB2 receptor geneNormotensive subjectsVentricular massPulse pressureB2 receptorsAgonist bradykininSodium nitroprussideReceptor geneBradykininGroupPolymorphismInfusionWhite AmericansNitroprussideBaselineBlack Americans
2004
Functional Variant of CYP4A11 20-Hydroxyeicosatetraenoic Acid Synthase Is Associated With Essential Hypertension
Gainer JV, Bellamine A, Dawson EP, Womble KE, Grant SW, Wang Y, Cupples LA, Guo CY, Demissie S, O’Donnell C, Brown NJ, Waterman MR, Capdevila JH. Functional Variant of CYP4A11 20-Hydroxyeicosatetraenoic Acid Synthase Is Associated With Essential Hypertension. Circulation 2004, 111: 63-69. PMID: 15611369, DOI: 10.1161/01.cir.0000151309.82473.59.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAllelesAmino Acid SubstitutionArachidonic AcidBlack PeopleBlood PressureCodonCohort StudiesComorbidityCytochrome P-450 CYP4ACytochrome P-450 Enzyme SystemDNA Mutational AnalysisFemaleGene FrequencyGenetic Predisposition to DiseaseGenetic VariationGenotypeHumansHydroxyeicosatetraenoic AcidsHypertensionIntronsKidneyLauric AcidsMaleMiddle AgedMultifactorial InheritanceMutagenesis, InsertionalMutation, MissensePoint MutationSequence DeletionTennesseeUnited StatesWhite PeopleConceptsArachidonic acidORs of hypertensionBlood pressure controlBody mass indexEndogenous arachidonic acidLarge population databaseFramingham Heart StudySevere hypertensionEssential hypertensionHypertension comorbidityTubular functionHypertensive statusMass indexFunctional variantsHypertensionHeart StudyPressure controlCYP4A11Polygenic determinantsPopulation databaseTargeted disruptionHuman CYP4A11Acid synthaseAssociationSynthase activity
2000
Altered frequency of a promoter polymorphism of the kinin B2 receptor gene in hypertensive African-Americans*
Gainer J, Brown N, Bachvarova M, Bastien L, Maltais I, Marceau F, Bachvarov D. Altered frequency of a promoter polymorphism of the kinin B2 receptor gene in hypertensive African-Americans*. American Journal Of Hypertension 2000, 13: 1268-1273. PMID: 11130770, DOI: 10.1016/s0895-7061(00)01215-2.Peer-Reviewed Original Research
1999
α1A-Adrenergic receptor polymorphism
Xie H, Kim R, Stein C, Gainer J, Brown N, Wood A. α1A-Adrenergic receptor polymorphism. Pharmacogenetics And Genomics 1999, 9: 651-656. PMID: 10591546, DOI: 10.1097/00008571-199910000-00012.Peer-Reviewed Original ResearchConceptsAlpha1A-ARAfrican AmericansPrevalence of hypertensionPathogenesis of hypertensionAlpha1-adrenergic receptorsAlpha1-AR subtypesVascular smooth muscleCaucasian individualsEthnic differencesVasoconstrictor sensitivityVascular reactivityAlpha1-ARBlood pressureEssential hypertensionHypertensive individualsVascular responsesVascular toneReceptor polymorphismsSmooth muscleHypertensionSignificant intergenotypic differencesPotential roleRestriction fragment length polymorphismAllelic distributionFragment length polymorphism