1998
Activin a stimulates meiotic maturation of human oocytes and modulates granulosa cell steroidogenesis in vitro
Alak B, Coskun S, Friedman C, Kennard E, Kim M, Seifer D. Activin a stimulates meiotic maturation of human oocytes and modulates granulosa cell steroidogenesis in vitro. Fertility And Sterility 1998, 70: 1126-1130. PMID: 9848305, DOI: 10.1016/s0015-0282(98)00386-0.Peer-Reviewed Original ResearchConceptsGranulosa cell steroidogenesisGerminal vesicle breakdownGranulosa cellsActivin AE2 secretionSteroid secretionCell steroidogenesisNonluteinized granulosa cellsMeiotic maturationMetaphase IIUniversity Medical CenterAntral granulosa cellsNonovarian pathologyInhibin AMedical CenterMAIN OUTCOMEActivin A.Oocyte meiotic maturationImmature oocytesHuman oocytesOocyte maturationSecretionVesicle breakdownProgesteroneSteroidogenesis
1996
Autologous granulosa cell coculture demonstrates zygote suppression of granulosa cell steroidogenesis**Presented in part at the 51st Annual Meeting of the American Society for Reproductive Medicine. Seattle, Washington, October 7 to 12, 1995.††Supported in part by Physician Scientist Award (AG00566 [D.B.S.] and R01HD31894 [A.L.S.]) from the National Institutes of Health, National Institute on Aging, Bethesda, Maryland.
Seifer D, Freeman M, Gardiner A, Hill G, Schneyer A, Vanderhyden B. Autologous granulosa cell coculture demonstrates zygote suppression of granulosa cell steroidogenesis**Presented in part at the 51st Annual Meeting of the American Society for Reproductive Medicine. Seattle, Washington, October 7 to 12, 1995.††Supported in part by Physician Scientist Award (AG00566 [D.B.S.] and R01HD31894 [A.L.S.]) from the National Institutes of Health, National Institute on Aging, Bethesda, Maryland. Fertility And Sterility 1996, 66: 425-429. PMID: 8751742, DOI: 10.1016/s0015-0282(16)58513-6.Peer-Reviewed Original ResearchConceptsLuteinized granulosa cellsGranulosa cellsStandard IVF-ET treatment cycleIVF-ET treatment cyclesTwo-pronuclear embryosGranulosa cell steroidogenesisTwo-pronuclear zygotesNational InstituteVitro Fertilization UnitProduction of E2Steroid hormone productionPituitary desensitizationOvarian stimulationFollicular aspiratesCell steroidogenesisFertilization unitTreatment cyclesHormone productionCell coculturesReproductive medicineP productionAmerican SocietyAcademic research environmentE2Human embryos