Oocyte membrane maturation and oocyte-sperm relationship: Transmission electron microscopy study

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dc.contributor.authorSezen, S.C.
dc.contributor.authorCincik, M.
dc.date.accessioned2020-06-25T17:35:25Z
dc.date.available2020-06-25T17:35:25Z
dc.date.issued2003
dc.departmentKırıkkale Üniversitesi
dc.descriptionCINCIK, Mehmet/0000-0002-0717-1756
dc.description.abstractThe success of in vitro maturation (IVM) depends greatly on the acquisition of immature oocytes. Immature oocytes in prophase I (PI) and metaphase I (MI), aspirated after controlled ovarian hyperstimulation, were incapable of fertilization, leading to a lower fertilization rate. Therefore, they must be evaluated on a fine structure level for their in vitro maturation (IVM) processes and their relationship with sperm. Oocyte membrane maturation and oocyte-sperm relationship were studied using transmission electron microscopy. A total of 55 human oocytes obtained from 20 patients at various times and 83 oocytes obtained from the dissected ovarians of female Wistar rats were used for transmission electron microscopy (TEM) evaluation. Despite being in either prophase I and metaphase I or in metaphase II, the oocytes were not fertilized after 48 h of incubation. At the various stages of maturation between PI and MII, the number and the size of microvilluses on the oocyte membrane increased as MII approached and decreased after full maturation. Oocyte activation was related to oocyte membrane maturation and has an effect on the oocyte sperm penetration.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1080/01485010390204986
dc.identifier.endpage305en_US
dc.identifier.issn0148-5016
dc.identifier.issue4en_US
dc.identifier.pmid12851032
dc.identifier.scopus2-s2.0-79961175292
dc.identifier.scopusqualityN/A
dc.identifier.startpage297en_US
dc.identifier.urihttps://doi.org/10.1080/01485010390204986
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3113
dc.identifier.volume49en_US
dc.identifier.wosWOS:000183611500007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherTaylor & Francis Incen_US
dc.relation.ispartofArchives Of Andrology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectin vitro maturationen_US
dc.subjectoocyteen_US
dc.subjectspermiumen_US
dc.subjecttransmission electron microscopy (TEM)en_US
dc.titleOocyte membrane maturation and oocyte-sperm relationship: Transmission electron microscopy studyen_US
dc.typeArticle

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