2019
Higher urinary cortisol levels associate with increased cardiovascular risk
Haas AV, Hopkins PN, Brown NJ, Pojoga LH, Williams JS, Adler GK, Williams GH. Higher urinary cortisol levels associate with increased cardiovascular risk. Endocrine Connections 2019, 8: 634-640. PMID: 31018177, PMCID: PMC6528405, DOI: 10.1530/ec-19-0182.Peer-Reviewed Original ResearchFramingham risk scoreCardiovascular riskRisk allele carriersRisk scoreAllele carriersCortisol groupCortisol levelsHigher urinary cortisol levelsUrine free cortisolNon-risk allele carriersNon-diabetic individualsBlood pressure measurementsCross-sectional studyRisk allele statusUrinary cortisol levelsIndependent predictorsUrinary cortisolBlood samplesDiscordant findingsLarger sample sizeMultivariate analysisAllele statusCortisol collectionRisk allelesSample size
2015
A prevalent caveolin-1 gene variant is associated with the metabolic syndrome in Caucasians and Hispanics
Baudrand R, Goodarzi MO, Vaidya A, Underwood PC, Williams JS, Jeunemaitre X, Hopkins PN, Brown N, Raby BA, Lasky-Su J, Adler GK, Cui J, Guo X, Taylor KD, Chen YD, Xiang A, Raffel LJ, Buchanan TA, Rotter JI, Williams GH, Pojoga LH. A prevalent caveolin-1 gene variant is associated with the metabolic syndrome in Caucasians and Hispanics. Metabolism 2015, 64: 1674-1681. PMID: 26475177, PMCID: PMC4641791, DOI: 10.1016/j.metabol.2015.09.005.Peer-Reviewed Original ResearchConceptsMinor allele carriersAllele carriersMetabolic syndromeInsulin resistanceHigher oddsHigher Framingham risk scoreFramingham risk scoreGene variantsNon-obese subjectsMinor allele carrier statusAllele carrier statusHyperPATH cohortLow HDLMetS diagnosisMetS riskObese subjectsMulticenter studyObesity statusSimilar BMIRisk scoreHispanic cohortClinical implicationsHispanic participantsCohortCarrier status
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 Nrf2Lysine-Specific Demethylase 1: An Epigenetic Regulator of Salt-Sensitive Hypertension
Williams JS, Chamarthi B, Goodarzi MO, Pojoga LH, Sun B, Garza AE, Raby BA, Adler GK, Hopkins PN, Brown NJ, Jeunemaitre X, Ferri C, Fang R, Leonor T, Cui J, Guo X, Taylor KD, Chen Y, Xiang A, Raffel LJ, Buchanan TA, Rotter JI, Williams GH, Shi Y. Lysine-Specific Demethylase 1: An Epigenetic Regulator of Salt-Sensitive Hypertension. American Journal Of Hypertension 2012, 25: 812-817. PMID: 22534796, PMCID: PMC3721725, DOI: 10.1038/ajh.2012.43.Peer-Reviewed Original ResearchConceptsMinor allele carriersSalt-sensitive hypertensionBlood pressureSingle nuclear polymorphismsAllele carriersHypertensive cohortDietary saltWT miceLiberal salt dietLiberal salt intakeSystolic blood pressureSerum aldosterone concentrationHeterozygote knockout miceTranslational research studiesRenovascular responsivenessAldosterone concentrationSalt dietDietary sodiumSalt intakeSystolic BPHuman studiesHypertensionKnockout miceClinical relevanceCaucasian cohort
2010
Genetic Variation in Soluble Epoxide Hydrolase (EPHX2) Is Associated With Forearm Vasodilator Responses in Humans
Lee CR, Pretorius M, Schuck RN, Burch LH, Bartlett J, Williams SM, Zeldin DC, Brown NJ. Genetic Variation in Soluble Epoxide Hydrolase (EPHX2) Is Associated With Forearm Vasodilator Responses in Humans. Hypertension 2010, 57: 116-122. PMID: 21098312, PMCID: PMC3020911, DOI: 10.1161/hypertensionaha.110.161695.Peer-Reviewed Original ResearchConceptsForearm blood flowVariant allele carriersForearm vasodilator responseForearm vascular resistanceSoluble epoxide hydrolaseVascular resistanceVasodilator responseBlood flowAllele carriersSodium nitroprussideVascular functionStrain-gauge venous occlusion plethysmographyHighest forearm blood flowLower forearm vascular resistanceSignificant associationCytochrome P450-derived epoxyeicosatrienoic acidsEpoxide hydrolaseVenous occlusion plethysmographyCardiovascular disease riskEndothelium-independent mannerWild-type individualsOcclusion plethysmographyPotent vasodilatorEpoxyeicosatrienoic acidsPreclinical modelsThe 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
2007
Ala92 Type 2 Deiodinase Allele Increases Risk for the Development of Hypertension
Gumieniak O, Perlstein TS, Williams JS, Hopkins PN, Brown NJ, Raby BA, Williams GH. Ala92 Type 2 Deiodinase Allele Increases Risk for the Development of Hypertension. Hypertension 2007, 49: 461-466. PMID: 17224473, DOI: 10.1161/01.hyp.0000256295.72185.fd.Peer-Reviewed Original ResearchConceptsDevelopment of hypertensionType 2 iodothyronine deiodinaseNormotensive subjectsIodothyronine deiodinaseConversion of thyroxineSequenom MassARRAY platformEuthyroid adultsThr92Ala polymorphismEuthyroid subjectsOdds ratioHypertensionPeripheral tissuesAllele carriersIncrease riskMassARRAY platformInfluence susceptibilityHypertension susceptibilityThyroid pathwaysIntermediate phenotypesPresent studyNonsynonymous polymorphismsSubjectsDeiodinaseRiskAllele frequencies