2023
The Biological Basis of Sex Differences in Athletic Performance: Consensus Statement for the American College of Sports Medicine
HUNTER S, ANGADI S, BHARGAVA A, HARPER J, HIRSCHBERG A, LEVINE B, MOREAU K, NOKOFF N, STACHENFELD N, BERMON S. The Biological Basis of Sex Differences in Athletic Performance: Consensus Statement for the American College of Sports Medicine. Medicine & Science In Sports & Exercise 2023, 55: 2328-2360. PMID: 37772882, DOI: 10.1249/mss.0000000000003300.Peer-Reviewed Original ResearchConceptsSex steroid hormonesConsensus statementAthletic performanceEndogenous sex steroid hormonesSex differencesSteroid hormonesOnset of pubertyExercise trainingMuscle strengthAcute boutFundamental sex differencesSex hormonesAmerican CollegeParticular testosteroneAdult menSports medicineTraining statusHigh-impact studiesHormoneSimilar ageNonphysiological factorsPrimary determinantMalesBiological basisWomenTestosterone-associated blood pressure dysregulation in women with androgen excess polycystic ovary syndrome
Stone T, Yanes Cardozo L, Oluwatade T, Leone C, Burgos M, Okifo F, Pal L, Reckelhoff J, Stachenfeld N. Testosterone-associated blood pressure dysregulation in women with androgen excess polycystic ovary syndrome. AJP Heart And Circulatory Physiology 2023, 325: h232-h243. PMID: 37327000, PMCID: PMC10393337, DOI: 10.1152/ajpheart.00164.2023.Peer-Reviewed Original ResearchConceptsSympathetic nervous system activityBlood pressure dysregulationPolycystic ovary syndromeBody mass indexBaroreflex gainOvary syndromeBlood pressureObese insulin-resistant womenPolycystic ovary syndrome phenotypesRenin-angiotensin system activationSerum angiotensin-converting enzymeGonadotropin-releasing hormone antagonistLower sympathetic nervous system activityLower body negative pressureHeightened cardiovascular riskInsulin-resistant womenSystolic blood pressureBody negative pressureNervous system activityAngiotensin-converting enzymeIR womenCardiovascular riskSerum aldosteroneBaroreflex controlDiastolic BPEffects 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 ResearchMeSH KeywordsAndrogensBody Mass IndexEthinyl EstradiolFemaleHumansObesityOverweightPolycystic Ovary SyndromeTestosteroneConceptsPolycystic 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
2020
Pathophysiological effects of androgens on the female vascular system
Stone T, Stachenfeld NS. Pathophysiological effects of androgens on the female vascular system. Biology Of Sex Differences 2020, 11: 45. PMID: 32727622, PMCID: PMC7391603, DOI: 10.1186/s13293-020-00323-6.ChaptersMeSH KeywordsAndrogensAnimalsFemaleHumansMalePolycystic Ovary SyndromeTestosteroneTransgender PersonsConceptsFemale cardiovascular systemPolycystic ovary syndromeFemale vasculatureHormone therapyOvary syndromePathophysiological effectsCardiovascular systemTransgender menPrimary medical interventionSignificant medical risksHigh blood pressureCardiovascular disease statesEffects of testosteroneEndogenous androgen concentrationsSex differencesPotential causative linkChronic hyperandrogenismTestosterone dosesEndothelial dysfunctionBlood pressurePatient groupVascular functionCardiovascular regulationSex hormonesAndrogen receptor
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 markerDysfunctionMen
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 8WomenDilationGnRHant
2010
Greater Exercise Sweating in Obese Women with Polycystic Ovary Syndrome Compared with Obese Controls
STACHENFELD NS, YECKEL CW, TAYLOR HS. Greater Exercise Sweating in Obese Women with Polycystic Ovary Syndrome Compared with Obese Controls. Medicine & Science In Sports & Exercise 2010, 42: 1660-1668. PMID: 20195177, PMCID: PMC3109293, DOI: 10.1249/mss.0b013e3181d8cf68.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromePCOS groupOvary syndromeControl groupGonadotropin-releasing hormone antagonistObese controlsObese womenAge-predicted HRmaxCore temperature thresholdHormone antagonistTestosterone effectsDay 4GnRHantSweat volumeDay 13Total sweat lossHormone conditionsWomenSweatingE2Sweat lossSyndromeEstradiolTestosteroneThermoregulatory responses