2023
Effects of androgen excess and body mass index on endothelial function in women with polycystic ovary syndrome
Berbrier D, Leone C, Adler T, Bender J, Taylor H, Stachenfeld N, Usselman C. Effects of androgen excess and body mass index on endothelial function in women with polycystic ovary syndrome. Journal Of Applied Physiology 2023, 134: 868-878. PMID: 36861670, DOI: 10.1152/japplphysiol.00583.2022.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeEndothelial dysfunctionEndothelial functionOvary syndromeAndrogen excessLean womenObese womenEstradiol supplementationLow flow-mediated constrictionOW/OB groupOverweight/obese womenMarked endothelial dysfunctionSevere endothelial dysfunctionFree testosterone levelsBody mass indexFlow-mediated dilation (FMD) testFree testosteroneMass indexReactive hyperemiaOB groupTestosterone levelsHealth differEndothelial pathophysiologyDysfunctionAndrogens
2022
Endothelial (Dys)function in Women With Androgen Excess Polycystic Ovary Syndrome: Effects of Body Composition and Ethinyl Estradiol Supplementation
Berbrier D, Leone C, Adler T, Bender J, Taylor H, Stachenfeld N, Usselman C. Endothelial (Dys)function in Women With Androgen Excess Polycystic Ovary Syndrome: Effects of Body Composition and Ethinyl Estradiol Supplementation. The FASEB Journal 2022, 36 DOI: 10.1096/fasebj.2022.36.s1.0r847.Peer-Reviewed Original ResearchOW/OB womenFlow-mediated dilationPolycystic ovary syndromeOB womenEndothelial functionEndothelial dysfunctionLean womenOvary syndromeEstradiol supplementationForms of PCOSConduit vessel endothelial functionOverweight/obese womenHealthy lean womenImpaired endothelial functionResult of obesityVessel endothelial functionFMD changesFMD responseObese womenFree testosteroneOb controlsReactive hyperemiaBody compositionEE supplementationDysfunctionEndometriosis promotes atherosclerosis in a murine model
Mamillapalli R, Toffoloni N, Habata S, Qunhua H, Atwani R, Stachenfeld N, Taylor HS. Endometriosis promotes atherosclerosis in a murine model. American Journal Of Obstetrics And Gynecology 2022, 227: 248.e1-248.e8. PMID: 35351413, PMCID: PMC9308711, DOI: 10.1016/j.ajog.2022.03.040.Peer-Reviewed Original ResearchConceptsEffect of endometriosisOil Red O stainingVascular endothelial growth factorMurine modelCardiovascular diseaseRed O stainingEndothelial growth factorSham miceEndometriotic lesionsInflammatory cytokinesInterleukin-6Luminal areaInterferon gammaO stainingGrowth factorAortic luminal areasInflammatory-related cytokinesRoot wall thicknessUnderwent sham surgeryTreatment of endometriosisInflammation-related cytokinesDevelopment of atherosclerosisApolipoprotein E (ApoE<sup>-/-</sup>) miceLong-term riskWeeks of induction
2019
Endometriosis increased atherosclerosis in a murine model
Mamillapalli R, Toffoloni N, Huttler J, Zhang Y, Chen P, Stachenfeld N, Taylor H. Endometriosis increased atherosclerosis in a murine model. Fertility And Sterility 2019, 112: e326-e327. DOI: 10.1016/j.fertnstert.2019.07.944.Peer-Reviewed Original ResearchAndrogens 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 conductanceEffects 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
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
2017
Microvascular endothelial function in lean versus obese women with polycystic ovary syndrome: role of the endothelin B receptor
Usselman C, Taylor H, Stachenfeld N. Microvascular endothelial function in lean versus obese women with polycystic ovary syndrome: role of the endothelin B receptor. The FASEB Journal 2017, 31 DOI: 10.1096/fasebj.31.1_supplement.691.5.Peer-Reviewed Original ResearchPolycystic ovary syndromeLean polycystic ovary syndromeObese PCOS womenCutaneous vascular conductanceNitric oxide inhibitionObese womenET-1PCOS womenOvary syndromeVasodilatory responseEndothelial functionOxide inhibitionEndothelin receptor subtype BObese polycystic ovary syndromeIntradermal microdialysis perfusionCardiovascular risk factorsMicrovascular endothelial functionPlasma endothelin-1Adverse cardiovascular outcomesAmerican Heart AssociationEndothelin B receptorLaser Doppler flowmetryDose-response curveCardiovascular outcomesIndependent vasodilationRelationship between body mass index and endothelial dysfunction in women with and without polycystic ovary syndrome
Adler T, Usselman C, Anaeto L, Schapiro R, Steele F, Toffoloni N, Takamata A, Taylor H, Stachenfeld N. Relationship between body mass index and endothelial dysfunction in women with and without polycystic ovary syndrome. The FASEB Journal 2017, 31 DOI: 10.1096/fasebj.31.1_supplement.691.8.Peer-Reviewed Original ResearchPolycystic ovary syndromeEndothelial dysfunctionOvary syndromeFlow-mediated dilation responseSympathetic nervous system activationCardiovascular disease riskBody mass indexFlow-mediated dilation (FMD) testAmerican Heart AssociationMinutes of occlusionNervous system activationRotterdam criteriaFMD responseBrachial arteryEndothelial functionEndothelial healthHealthy womenHyperemic responseMass indexSuprasystolic pressureControl womenHeart AssociationInsulin resistanceClinical indicesReproductive age
2015
Peripheral Microvascular Vasodilatory Response to Estradiol and Genistein in Women with Insulin Resistance
Wenner MM, Taylor HS, Stachenfeld NS. Peripheral Microvascular Vasodilatory Response to Estradiol and Genistein in Women with Insulin Resistance. Microcirculation 2015, 22: 391-399. PMID: 25996650, PMCID: PMC4506724, DOI: 10.1111/micc.12208.Peer-Reviewed Original ResearchConceptsL-NMMAMicrovascular vasodilationHealthy womenVasodilatory responsivenessLocal cutaneous heatingMicrovascular vasodilatory functionMicrovascular vasodilatory responsesBeat blood pressureHealthy young womenLaser Doppler flowmetryHeat-induced vasodilationMicrovascular responsivenessVascular effectsVasodilatory responseBlood pressureMicrovascular functionVasodilatory functionCutaneous heatingInsulin resistanceCutaneous circulationDoppler flowmetryGEN exposureInteraction of E2VasodilationMicrodialysis perfusion
2014
Dichotomous estradiol and genistein effects on cutaneous endothelium‐dependent vasodilation in women with and without insulin resistance (678.6)
Wenner M, Taylor H, Stachenfeld N. Dichotomous estradiol and genistein effects on cutaneous endothelium‐dependent vasodilation in women with and without insulin resistance (678.6). The FASEB Journal 2014, 28 DOI: 10.1096/fasebj.28.1_supplement.678.6.Peer-Reviewed Original ResearchEndothelial-dependent dilationInsulin-resistant womenCutaneous vascular conductanceL-NMMAHealthy womenGenistein effectsEndothelium-dependent vasodilationLaser Doppler flowmetryResistant womenVascular conductanceE2 effectsInsulin resistanceMicrodialysis infusionDependent dilationDoppler flowmetryGEN effectsWomenE2National InstituteGrant funding sourcesC heatingCVCmaxVasodilationCardioprotectionFlowmetryChallenges and methodology for testing young healthy women in physiological studies
Stachenfeld NS, Taylor HS. Challenges and methodology for testing young healthy women in physiological studies. AJP Endocrinology And Metabolism 2014, 306: e849-e853. PMID: 24569589, PMCID: PMC3989744, DOI: 10.1152/ajpendo.00038.2014.Peer-Reviewed Original ResearchConceptsHormone exposureGonadotropin-releasing hormone agonistFemale gonadal hormonesReproductive hormone exposureHealth careYoung healthy womenWomen's health careNIH Revitalization ActEffects of hormonesHealthy womenHormone agonistFemale reproductive physiologyGonadal hormonesHormone effectsPhysiological studiesHormoneWomenPhysiological responsesStronger research designsEndogenous hormonesRevitalization ActMenReproductive physiologyExposureMethods investigators
2013
Androgens influence microvascular dilation in PCOS through ET-A and ET-B receptors
Wenner MM, Taylor HS, Stachenfeld NS. Androgens influence microvascular dilation in PCOS through ET-A and ET-B receptors. AJP Endocrinology And Metabolism 2013, 305: e818-e825. PMID: 23921139, PMCID: PMC3798701, DOI: 10.1152/ajpendo.00343.2013.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeET-B receptorsMicrovascular dilationHeat-induced vasodilationReceptor inhibitionET-B receptor antagonistGonadotropin-releasing hormone antagonistLaser Doppler flowmetryAndrogen suppressionOvary syndromeVascular dysfunctionHealthy womenT administrationEnhanced vasodilationHormone antagonistReceptor antagonistCutaneous microdialysisDoppler flowmetryTestosterone effectsSubtype receptorsVasodilationDay 8WomenDilationGnRHantETA subtype receptor sensitivity to testosterone contributes to microvascular dysfunction in PCOS
Stachenfeld N, Wenner M, Taylor H. ETA subtype receptor sensitivity to testosterone contributes to microvascular dysfunction in PCOS. The FASEB Journal 2013, 27: 1133.10-1133.10. DOI: 10.1096/fasebj.27.1_supplement.1133.10.Peer-Reviewed Original ResearchPolycystic ovary syndromeCutaneous vascular conductanceHeat-induced vasodilationEndothelium-mediated vasodilationETB receptor antagonistLaser Doppler flowmetryETA blockadeTestosterone contributesEndothelial dysfunctionOvary syndromeVascular conductanceVasoconstrictor toneETA receptorsHormone antagonistReceptor antagonistMicrodialysis infusionSex hormonesDoppler flowmetryReceptor mechanismsReceptor sensitivityDay 8Day 4VasodilationDysfunctionAntagonistTestosterone modulates sodium‐regulating hormones in women with PCOS
Stachenfeld N, Wenner M, Taylor H. Testosterone modulates sodium‐regulating hormones in women with PCOS. The FASEB Journal 2013, 27: 904.5-904.5. DOI: 10.1096/fasebj.27.1_supplement.904.5.Peer-Reviewed Original ResearchPolycystic ovary syndromePlasma renin activityHormone conditionsRenal sodium handlingAldosterone systemRenin activityOvary syndromeSerum aldosteroneSodium handlingHormone antagonistSex hormonesAldosteroneDay 8Day 4Sodium regulationGnRHantWomenTestosteroneHormoneHyperandrogenismGonadotropinSyndromeAntagonistKidneyMechanisms 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
2011
Sex differences in endothelial function in the microvasculature: effects of PCOS
Stachenfeld N, Wenner M, Taylor H. Sex differences in endothelial function in the microvasculature: effects of PCOS. The FASEB Journal 2011, 25: 837.2-837.2. DOI: 10.1096/fasebj.25.1_supplement.837.2.Peer-Reviewed Original ResearchPolycystic ovary syndromeETB receptorsEffects of PCOSHeart disease riskLaser Doppler flowmetrySkin blood flowNormal reproductive functionDose-response curveEndothelial dysfunctionOvary syndromeVasoconstrictive responseVasodilatory responseEndothelial functionCutaneous microvasculatureETA receptorsHealthy womenAntagonist infusionDoppler flowmetrySmooth muscleBlood flowReceptor AReproductive functionDisease riskWomenReceptorsTestosterone lowers microvascular ET‐B receptor responsiveness in women with PCOS
Wenner M, Taylor H, Stachenfeld N. Testosterone lowers microvascular ET‐B receptor responsiveness in women with PCOS. The FASEB Journal 2011, 25: lb559-lb559. DOI: 10.1096/fasebj.25.1_supplement.lb559.Peer-Reviewed Original ResearchPolycystic ovary syndromeHeat-induced vasodilationT administrationCutaneous vascular conductance responsesET-1 plasma concentrationsET-B receptor antagonistImpaired microvascular functionET-B receptorsVascular conductance responsesEndogenous sex hormonesLaser Doppler flowmetryPCOS showOvary syndromeGnRH antagonistMicrovascular functionVascular dysfunctionReceptor antagonistReceptor responsivenessMicrodialysis infusionSex hormonesPlasma concentrationsDoppler flowmetryReceptor sensitivityT exposureTestosterone exposureEstrogen enhances baroreflex sensitivity in women with low orthostatic tolerance
Wenner M, Taylor H, Haddadin A, Stachenfeld N. Estrogen enhances baroreflex sensitivity in women with low orthostatic tolerance. The FASEB Journal 2011, 25: 647.3-647.3. DOI: 10.1096/fasebj.25.1_supplement.647.3.Peer-Reviewed Original ResearchCardiovagal baroreflex sensitivityBaroreflex sensitivityLow orthostatic toleranceOrthostatic toleranceCumulative stress indexPlasma E2Endogenous sex hormone productionGnRH antagonist administrationBlood pressure responseSex hormone productionLower body negative pressure testBaseline BPAntagonist administrationBaroreflex functionSystolic BPE2 administrationOrthostatic intoleranceE2 conditionsBolus infusionHT womenNegative pressure testProgesterone concentrationsSodium nitroprussideGnRHaDay 5Progesterone enhances adrenergic control of skin blood flow in women with high but not low orthostatic tolerance
Wenner MM, Taylor HS, Stachenfeld NS. Progesterone enhances adrenergic control of skin blood flow in women with high but not low orthostatic tolerance. The Journal Of Physiology 2011, 589: 975-986. PMID: 21173076, PMCID: PMC3060374, DOI: 10.1113/jphysiol.2010.194563.Peer-Reviewed Original ResearchConceptsLow orthostatic toleranceHigh orthostatic toleranceOrthostatic toleranceAdrenergic responseAdrenergic responsivenessNitric oxide synthase inhibitor NG-monomethylEndogenous sex hormone productionSynthase inhibitor NG-monomethylSkin blood flow responseBlood flow responseInhibitor NG-monomethylSex hormone productionFemale sex hormonesLower body negative pressure testSkin blood flowGnRH antagonistProgesterone administrationOrthostatic intoleranceNG-monomethylPeripheral αMicrodialysis infusionSex hormonesCyclooxygenase pathwayHT womenAdrenergic control
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