2019
Androgens drive microvascular endothelial dysfunction in women with polycystic ovary syndrome: role of the endothelin B receptor
Usselman CW, Yarovinsky T, Steele FE, Leone CA, Taylor HS, Bender JR, Stachenfeld NS. Androgens drive microvascular endothelial dysfunction in women with polycystic ovary syndrome: role of the endothelin B receptor. The Journal Of Physiology 2019, 597: 2853-2865. PMID: 30847930, DOI: 10.1113/jp277756.Peer-Reviewed Original ResearchMeSH KeywordsAdultAndrogensCardiovascular DiseasesDihydrotestosteroneEndothelin-1Endothelium, VascularEstrogensEthinyl EstradiolFemaleGlucose Tolerance TestHumansMicrovesselsNitric OxideObesityPolycystic Ovary SyndromeReceptor, Endothelin BSkinVascular Endothelial Growth Factor AVasodilationYoung AdultConceptsPolycystic ovary syndromeCardiovascular dysfunctionEndothelial dysfunctionOvary syndromeEndothelin-1Endothelial functionNO productionAndrogen receptor-dependent mannerEndothelin-B receptor subtypeCardiovascular risk factorsMicrovascular endothelial dysfunctionMicrovascular endothelial functionCutaneous vascular conductanceB receptor subtypesEndothelin B receptorLaser Doppler flowmetryNitric oxide inhibitionReceptor-dependent mannerEndothelial cell NO productionDose-response curveVasodilating responsePCOS subjectsLean womenObese womenVascular conductance
2018
Bazedoxifene–Conjugated Estrogens for Treating Endometriosis
Flores VA, Stachenfeld NS, Taylor HS. Bazedoxifene–Conjugated Estrogens for Treating Endometriosis. Obstetrics And Gynecology 2018, 132: 475-477. PMID: 29995747, DOI: 10.1097/aog.0000000000002739.Peer-Reviewed Original ResearchConceptsConjugated estrogensPelvic painTreatment optionsStage III endometriosisCyclic pelvic painFirst-line therapyReproductive-aged womenPotential treatment optionManagement of dysmenorrheaUnfavorable side effectsEndometriotic lesionsGynecologic disordersHormonal agentsMenopausal symptomsOvarian parametersSide effectsAnimal studiesEndometriosisEstrogenBazedoxifenePainEffective alternativeFailure rateAbnormal effectsDysmenorrhea
2016
The molecular actions of oestrogen in the regulation of vascular health
Usselman CW, Stachenfeld NS, Bender JR. The molecular actions of oestrogen in the regulation of vascular health. Quarterly Journal Of Experimental Physiology And Cognate Medical Sciences 2016, 101: 356-361. PMID: 26778523, PMCID: PMC4947570, DOI: 10.1113/ep085148.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsAction of estrogenVascular healthFunctional outcomeHormone therapy trialsNormal endothelial functionVascular smooth muscleMembrane-bound estrogen receptorMolecular actionsPremenopausal womenEndothelial functionEstrogen actionCardiovascular diseaseEstrogen receptorSmooth muscleBeneficial actionsTherapy trialsEstrogenExperimental animalsVascular structuresFindings of studiesVasculatureWomenHealthMolecular mechanismsOutcomes
2014
Hormonal Changes During Menopause and the Impact on Fluid Regulation
Stachenfeld NS. Hormonal Changes During Menopause and the Impact on Fluid Regulation. Reproductive Sciences 2014, 21: 555-561. PMID: 24492487, PMCID: PMC3984489, DOI: 10.1177/1933719113518992.Peer-Reviewed Original ResearchConceptsHormone therapySodium retentionMenopausal womenFluid regulationCardiovascular functionAldosterone-mediated sodium retentionRisk of hyponatremiaBlood pressure responseFemale reproductive hormonesFluid-regulating hormonesBody fluid volumeRisk of dehydrationBody fluid regulationEstrogen therapyHypervolemic hyponatremiaCardiovascular riskEstradiol effectsSodium loadProgesterone exposureMineralocorticoid receptorProgestogen exposureReproductive hormonesReproductive surgeryHormonal changesDistal tubules
2013
Mechanisms contributing to low orthostatic tolerance in women: the influence of oestradiol
Wenner MM, Haddadin A, Taylor HS, Stachenfeld NS. Mechanisms contributing to low orthostatic tolerance in women: the influence of oestradiol. The Journal Of Physiology 2013, 591: 2345-2355. PMID: 23401618, PMCID: PMC3650699, DOI: 10.1113/jphysiol.2012.247882.Peer-Reviewed Original ResearchConceptsLow orthostatic toleranceE2 administrationOrthostatic toleranceVascular resistanceBlood pressureStroke volumeHeart rateGonadotrophin-releasing hormone antagonistLevels of LBNPLower central volumeReproductive hormone productionAdministration of E2Peripheral vascular resistanceBeat blood pressureAutonomic cardiovascular regulationLower stroke volumeLower body negative pressure testHeart rate responseInfluence of oestradiolBaroreflex controlTolerant womenHormone antagonistCardiovascular regulationPeripheral vasoconstrictionAutonomic control
2012
Blood pressure and water regulation: understanding sex hormone effects within and between men and women
Wenner MM, Stachenfeld NS. Blood pressure and water regulation: understanding sex hormone effects within and between men and women. The Journal Of Physiology 2012, 590: 5949-5961. PMID: 23027816, PMCID: PMC3530109, DOI: 10.1113/jphysiol.2012.236752.Peer-Reviewed Original ResearchConceptsOvarian hormone exposureBlood pressureHormone exposureHormone effectsYoung womenOvarian hormone effectsSuppress reproductive functionBlood pressure controlFirst-line treatmentSex differencesEffects of estrogenPlasma volume expansionCause of deathSex hormone effectsBody fluid regulationGreater morbidityHealthy womenLine treatmentOvarian hormonesMenopausal womenBody water balanceOrthostatic toleranceProgesterone exposureMenstrual cycleHormone administration
2005
Sleep, breathing, and menopause: The effect of fluctuating estrogen and progesterone on sleep and breathing in women
D'Ambrosio C, Stachenfeld NS, Pisani M, Mohsenin V. Sleep, breathing, and menopause: The effect of fluctuating estrogen and progesterone on sleep and breathing in women. Gender Medicine 2005, 2: 238-245. PMID: 16464735, DOI: 10.1016/s1550-8579(05)80053-1.Peer-Reviewed Original ResearchConceptsSleep-disordered breathingSex hormone deficiencyObstructive sleep apneaLA administrationHormone deficiencyLeuprolide acetateSleep fragmentationDevelopment of OSADevelopment of SDBSignificant sleep-disordered breathingGonadotropin-releasing hormone analogueApnea-hypopnea indexUpper airway resistanceCessation of mensesAdministration of estrogenHours of sleepClimacteric vasomotor symptomsPolysomnographic evaluationVasomotor symptomsClimacteric symptomsMenopausal levelsDaily administrationHealthy womenSleep apneaArousal index
2003
Effects of estrogen and progesterone administration on extracellular fluid
Stachenfeld NS, Taylor HS. Effects of estrogen and progesterone administration on extracellular fluid. Journal Of Applied Physiology 2003, 96: 1011-1018. PMID: 14660504, DOI: 10.1152/japplphysiol.01032.2003.Peer-Reviewed Original ResearchConceptsGnRH antagonist administrationExtracellular fluid volumeGnRH antagonistEffects of estrogenAntagonist administrationPlasma volumeTranscapillary escape rateGonadotropin-releasing hormoneExtracellular fluidHealthy womenProgesterone administrationECFV expansionGanirelix acetateEndogenous estrogensStrong negative predictorDay 2Day 5Pg/AntagonistEstrogenDay 12Plasma compartmentCapillary endotheliumAdministrationProgesteroneOestrogen effects on urine concentrating response in young women
Stachenfeld NS, Taylor HS, Leone CA, Keefe DL. Oestrogen effects on urine concentrating response in young women. The Journal Of Physiology 2003, 552: 869-880. PMID: 12923212, PMCID: PMC2343447, DOI: 10.1113/jphysiol.2003.046920.Peer-Reviewed Original ResearchConceptsAVP infusionRenal sensitivityHormone treatmentDistal tubular sodium reabsorptionRenal free water clearanceRenal fluid retentionTubular sodium reabsorptionFree water clearancePlasma AVP concentrationArginine vasopressin releaseRate of clearancePhysiological rangeOE2 treatmentSodium excretionGnRHa administrationSodium reabsorptionEstrogen effectsEstrogen treatmentFluid retentionLeuprolide acetateWater clearanceRenal waterAVP concentrationVasopressin releaseUrine osmolality
2002
Estrogen effects on osmotic regulation of AVP and fluid balance
Stachenfeld NS, Keefe DL. Estrogen effects on osmotic regulation of AVP and fluid balance. AJP Endocrinology And Metabolism 2002, 283: e711-e721. PMID: 12217888, DOI: 10.1152/ajpendo.00192.2002.Peer-Reviewed Original ResearchConceptsHormone treatmentEstrogen effectsPlasma renin activityFree water clearanceEnd of recoveryIntrarenal effectsRenal sensitivityRenin activitySodium excretionFractional excretionAVP increaseSodium retentionFluid retentionLeuprolide acetateWater clearanceEndogenous estrogensAldosterone stimulationFluid balanceGnRHaNaCl infusionPg/EstrogenAVPProgesteroneExcretion
2001
Estrogen and progesterone effects on transcapillary fluid dynamics
Stachenfeld N, Keefe D, Palter S. Estrogen and progesterone effects on transcapillary fluid dynamics. AJP Regulatory Integrative And Comparative Physiology 2001, 281: r1319-r1329. PMID: 11557642, DOI: 10.1152/ajpregu.2001.281.4.r1319.Peer-Reviewed Original ResearchMeSH KeywordsAdultAtrial Natriuretic FactorBlood PressureBlood VolumeCapillariesCapillary PermeabilityCardiac OutputDrug Administration RoutesEstradiolEstrogensFemaleFertility Agents, FemaleForearmGonadotropin-Releasing HormoneHematocritHot FlashesHumansInfusions, IntravenousLeuprolideProgesteroneStroke VolumeVeinsConceptsCapillary filtration coefficientANP infusionGnRH analoguesPlasma volumeProgesterone effectsTranscapillary fluid dynamicsGonadotropin-releasing hormone analogueLittle systemic effectMin of infusionBaseline plasma volumeHormone administrationPV lossSystemic effectsReproductive functionInfusionAdministrationTreatmentEstrogenPeptide controlFiltration coefficientWeeksWomenANPDaysHematocrit
2000
Estrogen modifies the temperature effects of progesterone
Stachenfeld N, Silva C, Keefe D. Estrogen modifies the temperature effects of progesterone. Journal Of Applied Physiology 2000, 88: 1643-1649. PMID: 10797125, DOI: 10.1152/jappl.2000.88.5.1643.Peer-Reviewed Original ResearchConceptsOral contraceptive administrationFollicular phaseLuteal phaseContraceptive administrationBaseline esophageal temperatureOC PFollicular phase levelsMin of exerciseMidluteal menstrual phasesProgestin administrationCore temperature thresholdMenstrual phaseDegrees C. SubjectsEsophageal temperatureEstrogenC. SubjectsAdministrationPassive heatingProgestinsCore temperatureExercisePrevious findingsProgesteronePhase levelsMin
1999
Physiological variability of fluid-regulation hormones in young women
Stachenfeld N, DiPietro L, Kokoszka C, Silva C, Keefe D, Nadel E. Physiological variability of fluid-regulation hormones in young women. Journal Of Applied Physiology 1999, 86: 1092-1096. PMID: 10066728, DOI: 10.1152/jappl.1999.86.3.1092.Peer-Reviewed Original ResearchConceptsPlasma renin activityEarly follicular phaseFollicular phaseMenstrual phaseMenstrual phase-related differencesAtrial natriuretic peptideDifferent menstrual phasesMean hormone concentrationsRenin activityNatriuretic peptideMidluteal phaseMenstrual cycleHormonal variablesPlasma concentrationsLuteal phaseHormone concentrationsPhase-related differencesYoung womenHormoneCronbach's alphaRehydration periodRestingAlphaMean concentrationPhysiological variability