2018
Vitamin D3 Regulates Follicular Development and Intrafollicular Vitamin D Biosynthesis and Signaling in the Primate Ovary
Xu J, Lawson MS, Xu F, Du Y, Tkachenko OY, Bishop CV, Pejovic-Nezhat L, Seifer DB, Hennebold JD. Vitamin D3 Regulates Follicular Development and Intrafollicular Vitamin D Biosynthesis and Signaling in the Primate Ovary. Frontiers In Physiology 2018, 09: 1600. PMID: 30487754, PMCID: PMC6246691, DOI: 10.3389/fphys.2018.01600.Peer-Reviewed Original ResearchVitamin D receptorVitamin D biosynthesisAntral folliclesVD3 supplementationFollicular developmentVitamin DAntral stagePrimate ovaryFollicle survivalVitamin D3D biosynthesisIsolated secondary folliclesOvarian follicle survivalOocyte maturationAnti-Müllerian hormone productionAdult rhesus macaquesParacrine factor productionStage-dependent mannerVD3 treatmentVDR expressionAMH productionDihydroxyvitamin D3Positive immunostainingD receptorProtein localization
2016
Direct vitamin D3 actions on rhesus macaque follicles in three-dimensional culture: assessment of follicle survival, growth, steroid, and antimüllerian hormone production
Xu J, Hennebold JD, Seifer DB. Direct vitamin D3 actions on rhesus macaque follicles in three-dimensional culture: assessment of follicle survival, growth, steroid, and antimüllerian hormone production. Fertility And Sterility 2016, 106: 1815-1820.e1. PMID: 27678030, PMCID: PMC5136302, DOI: 10.1016/j.fertnstert.2016.08.037.Peer-Reviewed Original ResearchConceptsVitamin D3Follicle survivalPreantral follicle survivalAntral folliclesWeek 5High-dose vitamin D3Direct actionAntimüllerian hormone concentrationsAntral follicle diameterPrimate follicular developmentVitamin D3 actionAntral follicle growthDihydroxy vitamin D3Rhesus monkey ovariesSecondary preantral folliclesFemale rhesus macaquesMacaque folliclesPrimate follicleD3 actionAMH concentrationsNational Primate Research CenterAMH productionPrimate Research CenterFollicle diameterMAIN OUTCOME
2015
Vitamin D Supplementation Decreases TGF-β1 Bioavailability in PCOS: A Randomized Placebo-Controlled Trial
Irani M, Seifer DB, Grazi RV, Julka N, Bhatt D, Kalgi B, Irani S, Tal O, Lambert-Messerlian G, Tal R. Vitamin D Supplementation Decreases TGF-β1 Bioavailability in PCOS: A Randomized Placebo-Controlled Trial. The Journal Of Clinical Endocrinology & Metabolism 2015, 100: 4307-4314. PMID: 26485217, DOI: 10.1210/jc.2015-2580.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAntigens, CDBiological AvailabilityCholecalciferolDehydroepiandrosterone SulfateEndoglinFemaleHumansInsulin ResistanceLipidsPolycystic Ovary SyndromeProspective StudiesReceptors, Cell SurfaceSocioeconomic FactorsTestosteroneTransforming Growth Factor beta1Vitamin DVitamin D DeficiencyVitaminsYoung AdultConceptsPolycystic ovary syndromeVD supplementationTGF-β1Clinical manifestationsClinical parametersAcademic-affiliated medical centerFerriman-Gallwey scoreOral vitamin D3Serum TGF-β1Soluble endoglin levelsPlacebo-controlled trialVitamin D supplementationTGF-β1 levelsNew treatment modalitiesD supplementationOral placeboRandomized PlaceboOvary syndromeVD levelsEndoglin levelsInsulin resistanceTreatment modalitiesMenstrual periodLipid profileVitamin D3
2014
Vitamin D Normalizes Abnormally Elevated Serum Antimüllerian Hormone Levels Usually Noted in Women With Polycystic Ovary Syndrome
Irani M, Seifer D, Minkoff H, Merhi Z. Vitamin D Normalizes Abnormally Elevated Serum Antimüllerian Hormone Levels Usually Noted in Women With Polycystic Ovary Syndrome. Obstetrics And Gynecology 2014, 123: 189s. DOI: 10.1097/01.aog.0000447216.52829.8e.Peer-Reviewed Original ResearchPolycystic ovary syndromeVitamin D3 supplementationAntimüllerian hormone concentrationsVitamin D deficiencyD3 supplementationAntimüllerian hormoneD deficiencyHormone concentrationsControl groupVitamin D3 therapyHormone serum levelsNon-PCOS womenSerum of womenAntimüllerian hormone levelsWeeks of supplementationOvulatory dysfunctionD3 therapyDeficient womenOvary syndromeSerum levelsVitamin DMetabolic disturbancesHormone levelsVitamin D3Follicular health