2011
Renin gene polymorphism: its relationship to hypertension, renin levels and vascular responses
Sun B, Williams JS, Pojoga L, Chamarthi B, Lasky-Su J, Raby BA, Hopkins PN, Jeunemaitre X, Brown NJ, Ferri C, Williams GH. Renin gene polymorphism: its relationship to hypertension, renin levels and vascular responses. Journal Of The Renin-Angiotensin-Aldosterone System 2011, 12: 564-571. PMID: 21490026, PMCID: PMC3444254, DOI: 10.1177/1470320311405873.Peer-Reviewed Original ResearchConceptsMean arterial pressurePlasma renin activityRenin activityRenin geneHypertension riskSingle nucleotide polymorphismsAngiotensin II infusionNormotensive Caucasian subjectsHyperPATH cohortII infusionPRA levelsVascular responsivenessRenin levelsArterial pressureEssential hypertensionVascular responsesAngiotensin IIHypertensionHigh riskIndependent cohortCaucasian subjectsA alleleResultant haplotypesUnderlying mechanismGene variation
2010
The 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 geneReninIncreased 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
1993
Caffeine attenuates the renal vascular response to angiotensin II infusion.
Brown NJ, Ryder D, Nadeau J. Caffeine attenuates the renal vascular response to angiotensin II infusion. Hypertension 1993, 22: 847-852. PMID: 8244516, DOI: 10.1161/01.hyp.22.6.847.Peer-Reviewed Original ResearchMeSH KeywordsAdrenal GlandsAldosteroneAnalysis of VarianceAngiotensin IIBlood PressureCaffeineCreatinineDose-Response Relationship, DrugDrug AntagonismHumansInfusions, IntravenousMetabolic Clearance RateP-Aminohippuric AcidPotassiumRenal CirculationReninSingle-Blind MethodSodiumSodium Chloride, DietaryConceptsRenal plasma flowRenal plasma flow responsePara-aminohippurate clearancePlasma renin activityAngiotensin II infusionAng IIII infusionPlasma flow responseRenin activityBlood pressureEndogenous adenosineShort-term angiotensin II infusionBaseline plasma renin activityBaseline renal plasma flowTissue Ang II levelsAdenosine receptor antagonist caffeineRenal vascular responseRenal vasoconstrictive responseAng II levelsAng II infusionBaseline blood pressureBlood pressure responsePlacebo-controlled studyLong-term administrationTissue adenosine levels