2024
The effect of acute estrogen suppression on cutaneous endothelium-dependent vasodilation in women with endometriosis
Colburn A, Leone C, Alexander L, Stachenfeld N. The effect of acute estrogen suppression on cutaneous endothelium-dependent vasodilation in women with endometriosis. Physiology 2024, 39: 421. DOI: 10.1152/physiol.2024.39.s1.421.Peer-Reviewed Original ResearchEndothelium-dependent vasodilationEstrogen suppressionHealthy controlsLDF/mean arterial pressureSodium nitroprusside perfusionDose-response curveLaser Doppler flowmetryCardiovascular disease riskCutaneous vascular conductanceACh doseEndometriosis patientsPerfusion of acetylcholineMenstrual cycleIntradermal microdialysisSuppress estrogenEndothelial functionArterial pressureEndometriosisVasodilatory functionDoppler flowmetryVascular conductanceVasodilationMaximal vasodilationGraded perfusionEstrogen
2023
Sex Hormones and Environmental Factors Affecting Exercise
Wenner M, Stachenfeld N. Sex Hormones and Environmental Factors Affecting Exercise. 2023, 113-134. DOI: 10.1007/978-3-031-21881-1_5.ChaptersSex hormone effectsSex hormonesHormone exposureHormone effectsFluid regulationIndividual sex hormonesReproductive hormone exposurePolycystic ovary syndromeMenstrual cycle differencesSex hormone exposureOnset of thirstCore temperatureOnset of sweatingOvary syndromeExercise trainingHormonal contraceptivesNumerous health benefitsMenstrual cycleHormonal profileReproductive hormonesFluid balancePhysical activityPhysiological systemsHigher sweat ratesSweating threshold
2022
Correlations between salivary- and blood-derived gonadal hormone assessments and implications for inclusion of female participants in research studies
Huang T, Howse F, Stachenfeld N, Usselman C. Correlations between salivary- and blood-derived gonadal hormone assessments and implications for inclusion of female participants in research studies. AJP Heart And Circulatory Physiology 2022, 324: h33-h46. PMID: 36426884, DOI: 10.1152/ajpheart.00399.2022.Peer-Reviewed Original ResearchConceptsMenstrual cycleGonadal hormonesFemale participantsVenous blood samplesGonadal hormone fluctuationsPrimary gonadalVascular functionBlood concentrationsCardiovascular diseaseHormone assessmentSerial measurementsHormone fluctuationsHormone monitoringBlood samplesStudy designGold standard measurementHuman physiology researchHormoneInclusion of femalesSalivaryResearch studiesCardiovascular researchersParticipantsFemales
2020
Menstrual cycle and thermoregulation during exercise in the heat: A systematic review and meta-analysis
Giersch GEW, Morrissey MC, Katch RK, Colburn AT, Sims ST, Stachenfeld NS, Casa DJ. Menstrual cycle and thermoregulation during exercise in the heat: A systematic review and meta-analysis. Journal Of Science And Medicine In Sport 2020, 23: 1134-1140. PMID: 32499153, DOI: 10.1016/j.jsams.2020.05.014.Peer-Reviewed Original ResearchConceptsSystematic reviewHeart rateSweat rateSkin temperatureMenstrual cycle phaseMenstrual cycle variationsAerobic exerciseFollicular phaseMenstrual cycleLuteal phaseInclusion criteriaMenstrual phaseLimited available dataMean skin temperatureEffect size estimatesSignificant differencesBody temperatureEffect sizeExerciseWomenCycle phaseInternal body temperatureReviewTotal number
2019
Compromised endothelial function in transgender men taking testosterone
Gulanski BI, Flannery CA, Peter PR, Leone CA, Stachenfeld NS. Compromised endothelial function in transgender men taking testosterone. Clinical Endocrinology 2019, 92: 138-144. PMID: 31765022, PMCID: PMC6957681, DOI: 10.1111/cen.14132.Peer-Reviewed Original ResearchConceptsEndothelial functionTransgender menEndothelial dysfunctionCisgender femalesClinical cardiovascular riskCardiovascular risk factorsImpaired endothelial functionEarly follicular phaseAndrogen excessCardiovascular riskVasodilatory responseCoronary arteryHormonal milieuFollicular phaseTestosterone treatmentMenstrual cycleRisk factorsFemale genderAtherosclerotic plaquesEarly signsTestosteroneTotal TSImportant markerDysfunctionMenCompromised endothelial function in transgender men taking testosterone
Stachenfeld N, Leone C, Gulanski B. Compromised endothelial function in transgender men taking testosterone. The FASEB Journal 2019, 33: 696.4-696.4. DOI: 10.1096/fasebj.2019.33.1_supplement.696.4.Peer-Reviewed Original ResearchEndothelial functionEndothelial dysfunctionBlood pressureTransgender menRisk factorsCisgender femalesCardiovascular risk factorsEarly follicular phaseSystolic blood pressureFull-text articlesTestosterone therapyAndrogen excessCardiovascular riskVasodilatory responseBlood lipidsHDL cholesterolSystolic BPLDL cholesterolCoronary arteryHormonal milieuFollicular phaseAndrogen treatmentMenstrual cycleCardiovascular diseaseAtherosclerotic plaquesEffects of bazedoxifene/conjugated estrogens on reproductive endocrinology and reproductive tract ultrasonographic appearance in premenopausal women: a preliminary study
Flores VA, Leone C, Taylor HS, Stachenfeld NS. Effects of bazedoxifene/conjugated estrogens on reproductive endocrinology and reproductive tract ultrasonographic appearance in premenopausal women: a preliminary study. Gynecological Endocrinology 2019, 35: 390-394. PMID: 30668182, DOI: 10.1080/09513590.2018.1559288.Peer-Reviewed Original ResearchConceptsBZA/CEPremenopausal womenConjugated estrogensReproductive hormonesUltrasonographic appearanceBazedoxifene/conjugated estrogensAbnormal ovarian folliculogenesisReproductive hormone changesCase series studyUnited States FoodEstrogen-receptor complexEndometrial alterationsDaily administrationSerum assessmentLH surgeMenopausal womenMenopausal symptomsMenstrual cycleClinical trialsEndocrinologic functionsOvarian morphologyHormone levelsPosttreatment valuesMurine modelOvarian folliculogenesis
2016
Sex Hormones and Environmental Factors Affecting Exercise
Wenner M, Stachenfeld N. Sex Hormones and Environmental Factors Affecting Exercise. 2016, 151-170. DOI: 10.1007/978-3-319-44558-8_9.Peer-Reviewed Original ResearchSex hormone effectsSex hormonesHormone exposureHormone effectsFluid regulationIndividual sex hormonesReproductive hormone exposurePolycystic ovary syndromeMenstrual cycle differencesSex hormone exposureOnset of thirstCore temperatureOnset of sweatingOvary syndromeExercise trainingHormonal contraceptivesNumerous health benefitsMenstrual cycleHormonal profileReproductive hormonesFluid balancePhysical activityPhysiological systemsHigher sweat ratesSweating threshold
2015
Sex hormone effects on autonomic mechanisms of thermoregulation in humans
Charkoudian N, Stachenfeld N. Sex hormone effects on autonomic mechanisms of thermoregulation in humans. Autonomic Neuroscience 2015, 196: 75-80. PMID: 26674572, DOI: 10.1016/j.autneu.2015.11.004.ChaptersConceptsAutonomic mechanismsReproductive hormonesBody temperatureCentral autonomic nucleusHeat dissipation responsePolycystic ovary syndromeFemale reproductive hormonesPeripheral blood vesselsInfluence of progesteroneSkin blood flowAutonomic nucleiOvary syndromePeripheral effectsMenstrual cycleHormone levelsBlood flowHormone effectsLow body temperatureBlood vesselsEstrogenHigh body temperatureRecent evidenceMenopauseProgesteroneThermoregulatory responses
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
2001
Progesterone does not alter osmotic regulation of AVP
Calzone W, Silva C, Keefe D, Stachenfeld N. Progesterone does not alter osmotic regulation of AVP. AJP Regulatory Integrative And Comparative Physiology 2001, 281: r2011-r2020. PMID: 11705788, DOI: 10.1152/ajpregu.2001.281.6.r2011.Peer-Reviewed Original ResearchConceptsHypertonic saline infusionLuteal phaseOral contraceptivesFollicular phaseOsmotic thresholdThirst onsetRenal free water clearanceLow osmotic thresholdFree water clearancePlasma AVP concentrationArginine vasopressin releaseBaseline plasma osmolalityBody water balanceMenstrual cycleMidluteal phaseWater clearanceSaline infusionAVP releaseAVP concentrationMenstrual phaseVasopressin releaseFluid balanceOC treatmentThirst responseCrossover designHormonal Contraception, Body Water Balance and Thermoregulation
Stachenfeld N. Hormonal Contraception, Body Water Balance and Thermoregulation. 2001 DOI: 10.21236/ada410450.Peer-Reviewed Original ResearchLuteal phaseEstrogen/progestinExercise-induced dehydrationCross-over designOral contraceptivesSodium retentionHormonal contraceptionBody water balanceFollicular phaseHypertonic salineMidluteal phaseMenstrual cycleHormonal effectsSodium regulationProgestinsBody waterExerciseContraceptivesEstrogenContraceptionPAVPSaline
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