2022
Laparoscopic ovarian tissue harvesting for cryopreservation from a child with galactosemia
Vash-Margita A, Szymanska-Vandendriessche K, Gunther K, Rodriguez-Buritica DF, Christison-Lagay E, Saluja S, Oktay KH. Laparoscopic ovarian tissue harvesting for cryopreservation from a child with galactosemia. Fertility And Sterility 2022, 118: 982-984. PMID: 36154768, DOI: 10.1016/j.fertnstert.2022.08.005.Peer-Reviewed Original ResearchConceptsAntimüllerian hormone levelsOvarian tissue cryopreservationFertility preservationMonths of ageHormone levelsPrimordial folliclesAMH levelsMIU/Right ovaryTissue cryopreservationOvarian tissueReproductive endocrinologyOvarian tissue harvestingLower AMH levelsUneventful postoperative courseGood metabolic controlPelvic magnetic resonanceSubsequent histological examinationSmall antral folliclesPrimary ovarian insufficiencyTissue harvestingEffect of cauterizationYoung female childMagnetic resonance imaging (MRI) examsRare genetic disorder
2021
Ovarian transplantation with robotic surgery and a neovascularizing human extracellular matrix scaffold: a case series in comparison to meta-analytic data
Oktay K, Marin L, Bedoschi G, Pacheco F, Sugishita Y, Kawahara T, Taylan E, Acosta C, Bang H. Ovarian transplantation with robotic surgery and a neovascularizing human extracellular matrix scaffold: a case series in comparison to meta-analytic data. Fertility And Sterility 2021, 117: 181-192. PMID: 34801235, PMCID: PMC8863399, DOI: 10.1016/j.fertnstert.2021.08.034.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultCohort StudiesCryopreservationExtracellular MatrixFemaleFertility PreservationHumansMeta-Analysis as TopicNeovascularization, PhysiologicOvaryPregnancyPregnancy RateRetrospective StudiesRobotic Surgical ProceduresTissue Culture TechniquesTissue ScaffoldsTransplantation, AutologousYoung AdultConceptsGraft longevityCase seriesOvarian functionLow-dose aspirinOvarian tissue transplantationOvarian cortical piecesLower embryo qualityOocytes/embryosNeonatal outcomesTransdermal estrogenChemotherapy exposureOvarian transplantationCortical piecesMeta-analytic dataLower abdomenHealthy childrenLive birthsMAIN OUTCOMEGraft vascularizationExtracellular matrix scaffoldsOvarian tissueAneuploidy rateFunction returnsEmbryo qualityMeta-analytic updateComparison of open and a novel closed vitrification system with slow freezing for human ovarian tissue cryopreservation
Sugishita Y, Taylan E, Kawahara T, Shahmurzada B, Suzuki N, Oktay K. Comparison of open and a novel closed vitrification system with slow freezing for human ovarian tissue cryopreservation. Journal Of Assisted Reproduction And Genetics 2021, 38: 2723-2733. PMID: 34398400, PMCID: PMC8581089, DOI: 10.1007/s10815-021-02297-9.Peer-Reviewed Original ResearchConceptsFollicle survivalCortical piecesPrimary folliclesHuman ovarian tissue cryopreservationOvarian tissue cryopreservationCell death pathway activationOvarian cortical piecesPrimordial follicle survivalPrimordial follicle densityHuman ovarian tissueClosed vitrification systemTissue cryopreservationDNA damageOvarian tissueHistological analysisPathway activationApoptosis rateDevice groupSlow freezingDelaying Reproductive Aging by Ovarian Tissue Cryopreservation and Transplantation: Is it Prime Time?
Oktay K, Marin L, Petrikovsky B, Terrani M, Babayev S. Delaying Reproductive Aging by Ovarian Tissue Cryopreservation and Transplantation: Is it Prime Time? Trends In Molecular Medicine 2021, 27: 753-761. PMID: 33549473, PMCID: PMC8427891, DOI: 10.1016/j.molmed.2021.01.005.Peer-Reviewed Original ResearchConceptsOvarian tissue cryopreservationTissue cryopreservationHealthy womenFertility preservation proceduresOvarian endocrine functionRisk-benefit assessmentOvarian cryopreservationEndocrine functionMedical indicationsOvarian tissueReproductive agingReproductive medicinePreservation proceduresAmerican SocietyWomenPrime timeCryopreservationResearch guidelinesAutotransplantationMenopauseTransplantation
2019
Advances in fertility-preservation surgery: navigating new frontiers
Christianson M, Oktay K. Advances in fertility-preservation surgery: navigating new frontiers. Fertility And Sterility 2019, 112: 438-445. PMID: 31446903, DOI: 10.1016/j.fertnstert.2019.06.029.Peer-Reviewed Original ResearchConceptsFertility preservation surgeryFertility preservationSurgical optionsVital reproductive organFertility-preserving surgeryUterine fixationRadical trachelectomyGynecologic malignanciesFemale patientsFirst transplantationCancer patientsReproductive organsFuture fertilityReproductive surgeryMedical conditionsTransposition procedureSelect cancersSurgerySurgical creativityTissue 20PatientsMajor advancesOrgansTrachelectomyTransplantationFertility preservation in girls with Turner syndrome: limitations, current success and future prospects
Oktay K, Bedoschi G. Fertility preservation in girls with Turner syndrome: limitations, current success and future prospects. Fertility And Sterility 2019, 111: 1124-1126. PMID: 31056311, DOI: 10.1016/j.fertnstert.2019.03.018.Peer-Reviewed Original Research
2012
Ovarian cryopreservation.
Jeong K, Aslan E, Ozkaya E, Sonmezer M, Oktay K. Ovarian cryopreservation. Minerva Medica 2012, 103: 37-46. PMID: 22278067.Peer-Reviewed Original ResearchMeSH KeywordsCryopreservationFemaleForecastingHumansNeoplasm MetastasisOvaryTransplantation, AutologousConceptsFertility preservationOvarian tissueNon-malignant diseasesFuture autotransplantationOvarian cryopreservationOvarian failurePrepubertal girlsReproductive endocrinologistsMalignant cellsTeam approachWhole ovariesHeterotopic locationNew promising strategyAutotransplantationSignificant delayDiseaseTissue piecesTissuePromising strategySlow freezingChemotherapyLaparoscopyPatientsEndocrinologistsOncologists
2010
In vitro maturation improves oocyte or embryo cryopreservation outcome in breast cancer patients undergoing ovarian stimulation for fertility preservation
Oktay K, Buyuk E, Rodriguez-Wallberg K, Sahin G. In vitro maturation improves oocyte or embryo cryopreservation outcome in breast cancer patients undergoing ovarian stimulation for fertility preservation. Reproductive BioMedicine Online 2010, 20: 634-638. PMID: 20219430, DOI: 10.1016/j.rbmo.2010.01.012.Peer-Reviewed Original ResearchMeSH KeywordsBreast NeoplasmsCryopreservationEmbryo, MammalianFemaleFertilityHumansIn Vitro TechniquesOocytesOvulation InductionConceptsBreast cancer patientsMature oocyte yieldCancer patientsOvarian stimulationOocyte yieldFertility preservationFertility preservation cyclesMature oocytesCryopreservation cyclesTotal numberSecondary analysisVitro maturationImmature oocytesPatientsIVMEmbryo cryopreservationFertilization rateOocytesStimulationUseful strategyMaturationChemotherapy
2009
Fertility Preservation for Breast Cancer Patients
Oktem O, Oktay K. Fertility Preservation for Breast Cancer Patients. Seminars In Reproductive Medicine 2009, 27: 486-492. PMID: 19806518, DOI: 10.1055/s-0029-1241059.Peer-Reviewed Original ResearchConceptsBreast cancer patientsOvarian stimulation protocolsCancer patientsBreast cancerFertility preservationCancer survivorsStimulation protocolConventional ovarian stimulation protocolsRise of estrogenOvarian tissue freezingBreast cancer survivorsPreservation of fertilityEndogenous estrogen levelsFertility preservation strategiesAromatase inhibitor letrozolePremature ovarian failureNew cancer casesAdjuvant chemotherapyOvarian stimulationFertilization cyclesEstrogen levelsOvarian failureOocyte freezingReproductive ageCommon neoplasm
2005
Oocyte and Ovarian Tissue Cryopreservation: Indications, Techniques, and Applications
Shamonki M, Oktay K. Oocyte and Ovarian Tissue Cryopreservation: Indications, Techniques, and Applications. Seminars In Reproductive Medicine 2005, 23: 266-276. PMID: 16059833, DOI: 10.1055/s-2005-872455.Peer-Reviewed Original Research
2002
Preliminary Experience with Orthotopic and Heterotopic Transplantation of Ovarian Cortical Strips
Oktay K, Yih M. Preliminary Experience with Orthotopic and Heterotopic Transplantation of Ovarian Cortical Strips. Seminars In Reproductive Medicine 2002, 20: 063-074. PMID: 11941536, DOI: 10.1055/s-2002-23520.Peer-Reviewed Original ResearchConceptsOvarian cortical stripsOvarian transplantationOvarian tissueCortical stripsHeterotopic transplantationAutologous ovarian transplantationFrozen ovarian tissueHeterotopic techniqueNew York surgeonPatient selectionOvarian functionSurgical techniqueTransplantationTransplanted tissuePreliminary experienceExperimental modelOperating roomCancer cellsClinical applicationTissueSafety measuresOrthotopicCliniciansSurgeonsTrounson
2001
Ovarian tissue cryopreservation and transplantation: preliminary findings and implications for cancer patients
Oktay K. Ovarian tissue cryopreservation and transplantation: preliminary findings and implications for cancer patients. Human Reproduction Update 2001, 7: 526-534. PMID: 11727860, DOI: 10.1093/humupd/7.6.526.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsCryopreservationFemaleHumansInfertilityMiceMice, SCIDNeoplasmsOvaryPregnancySheepTransplantation, HeterologousConceptsOvarian tissue cryopreservationTissue cryopreservationYoung womenFrozen-banked ovarian tissueBone marrow transplantationCancers of childrenAntral follicle developmentAggressive chemotherapyComplete remissionCancer treatment modalitiesMarrow transplantationBenign causesCancer patientsTreatment modalitiesTransplantation trialsFresh graftsXenograft studiesRodent studiesOocyte cryopreservationOvarian tissuePatientsFollicle developmentTransplantationCancer treatmentWomenRecent progress in oocyte and ovarian tissue cryopreservation and transplantation
Oktay K, Kan M, Rosenwaks Z. Recent progress in oocyte and ovarian tissue cryopreservation and transplantation. Current Opinion In Obstetrics & Gynecology 2001, 13: 263-268. PMID: 11396648, DOI: 10.1097/00001703-200106000-00003.Peer-Reviewed Original ResearchConceptsOvarian tissue cryopreservationOocyte freezingTissue cryopreservationOocyte cryopreservationOvarian tissueOvarian stimulation cyclesGroup of patientsNumber of pregnanciesInstitutional review boardOvarian transplantationAge-related declineOvarian functionStimulation cyclesReproductive surgeryContext of cancerCryopreserved oocytesReproductive functionEmbryo freezingTransplantationReview boardFirst caseInadequate timeSignificant scientific advancesWomenOocytesA technique for laparoscopic transplantation of frozen-banked ovarian tissue
Oktay K, Aydin B, Karlikaya G. A technique for laparoscopic transplantation of frozen-banked ovarian tissue. Fertility And Sterility 2001, 75: 1212-1216. PMID: 11384651, DOI: 10.1016/s0015-0282(01)01776-9.Peer-Reviewed Original ResearchConceptsFrozen-banked ovarian tissueLaparoscopic transplantationOvarian tissueAcademic medical centerSlow-freezing techniqueMenopausal gonadotropinOvarian stimulationSpontaneous mensesOvarian fossaPelvic peritoneumOvarian functionLaparoscopic techniqueOvarian cortexMedical CenterMAIN OUTCOMEMicrosurgical reconstructionProgesterone productionBlood flowFollicle developmentTransplantationPatientsTissueMensesGonadotropinTransplant
2000
Ovarian cryopreservation and transplantation: basic aspects
Oktay K, Karlikaya G, Aydin B. Ovarian cryopreservation and transplantation: basic aspects. Molecular And Cellular Endocrinology 2000, 169: 105-108. PMID: 11155939, DOI: 10.1016/s0303-7207(00)00361-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsClinical Trials as TopicCryopreservationFemaleHumansModels, AnimalOvaryPregnancyTransplantation, HeterologousOvarian Function after Transplantation of Frozen, Banked Autologous Ovarian Tissue
Oktay K, Karlikaya G. Ovarian Function after Transplantation of Frozen, Banked Autologous Ovarian Tissue. New England Journal Of Medicine 2000, 342: 1919. PMID: 10877641, DOI: 10.1056/nejm200006223422516.Peer-Reviewed Original ResearchTransplantation of cryopreserved human ovarian tissue results in follicle growth initiation in SCID mice
Oktay K, Newton H, Gosden R. Transplantation of cryopreserved human ovarian tissue results in follicle growth initiation in SCID mice. Fertility And Sterility 2000, 73: 599-603. PMID: 10689020, DOI: 10.1016/s0015-0282(99)00548-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsCryopreservationFemaleHumansMiceMice, SCIDOvarian FollicleOvaryTransplantation, HeterologousConceptsOvarian tissueSCID miceFrozen-thawed human ovarian tissueFrozen-thawed ovarian tissueAutologous ovarian transplantationFrozen-thawed graftsHuman ovarian tissueFollicle growth initiationLong-term survivalWeeks of graftingHuman primordial folliclesFollicle countOvarian transplantationImmunodeficiency miceMAIN OUTCOMEHealthy folliclesPrimordial folliclesAcademic centersAnimal studiesFollicle stageAdvanced folliclesFolliclesGraftMiceNecrotic cells
1998
Cryopreservation of immature human oocytes and ovarian tissue: An emerging technology?
Oktay K, Newton H, Aubard Y, Salha O, G.Gosden R. Cryopreservation of immature human oocytes and ovarian tissue: An emerging technology? Fertility And Sterility 1998, 69: 1-7. PMID: 9457923, DOI: 10.1016/s0015-0282(97)00207-0.Peer-Reviewed Original ResearchMeSH KeywordsCellular SenescenceCryopreservationFemaleHumansOocytesOvaryReproductive MedicineTissue BanksConceptsOvarian tissueConservation of fertilityHigh-dose chemotherapyOvarian tissue cryopreservationImmature human oocytesOvarian biopsy samplesOvarian tissue bankingNeeds of patientsLong-term survivorshipCryopreservation of oocytesHealthy womenOvarian stromaImmature folliclesTissue cryopreservationPrimordial folliclesBiopsy samplesFollicle growthNeedy patientsImmature oocytesPatientsHuman oocytesDisappointing resultsOocyte fertilityReproductive optionsFollicles
1997
Isolation and characterization of primordial follicles from fresh and cryopreserved human ovarian tissue
Oktay K, Nugent D, Newton H, Salha O, Chatterjee P, Gosden R. Isolation and characterization of primordial follicles from fresh and cryopreserved human ovarian tissue. Fertility And Sterility 1997, 67: 481-486. PMID: 9091334, DOI: 10.1016/s0015-0282(97)80073-8.Peer-Reviewed Original ResearchConceptsHuman ovarian tissuePrimordial folliclesOvarian tissueWhole folliclesElective cesarean sectionLeeds General InfirmaryCryopreserved ovarian tissueHuman primordial folliclesCesarean sectionHealthy womenOvarian biopsyFollicle countingGeneral InfirmaryMAIN OUTCOMEFollicle viabilityUltrastructural signsFrozen-thawed groupFolliclesFresh groupTissuePropidium iodideSuccinimidyl esterViability ratePercent viabilityOocytes
1996
Follicle freezing and autografting. A new method of medically assisted procreation?.
Aubard Y, Newton H, Oktay K, Piver P, Gosden R. Follicle freezing and autografting. A new method of medically assisted procreation?. La Presse Médicale 1996, 25: 921-3. PMID: 8685154.Peer-Reviewed Original ResearchConceptsOvulatory capacityHuman folliclePrimordial folliclesQuantity of folliclesUse of allograftsLarge animal modelImmunosuppressive therapyDestructive therapySuccessful treatmentOvarian fragmentsSurvival timeAnimal modelsOvarian tissueFollicular tissueFolliclesExperimental modelTherapyAge limitTissueHuman tissuesOvocytesEncouraging resultsOptimal siteReimplantationAllografts