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dc.contributor.authorFitzHarris, G.en
dc.contributor.authorMarangos, P.en
dc.contributor.authorCarroll, J.en
dc.date.accessioned2015-11-24T16:32:56Z-
dc.date.available2015-11-24T16:32:56Z-
dc.identifier.issn1059-1524-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/7600-
dc.rightsDefault Licence-
dc.subjectAnimalsen
dc.subjectCDC2 Protein Kinase/metabolismen
dc.subjectCalcium/*metabolismen
dc.subjectCell Cycle/physiologyen
dc.subjectCyclin B/metabolismen
dc.subjectEndoplasmic Reticulum/*metabolismen
dc.subjectFertilization/physiologyen
dc.subjectInositol 1,4,5-Trisphosphate/*metabolismen
dc.subjectMeiosis/physiologyen
dc.subjectMice/*embryologyen
dc.subjectMitosien
dc.titleCell cycle-dependent regulation of structure of endoplasmic reticulum and inositol 1,4,5-trisphosphate-induced Ca2+ release in mouse oocytes and embryosen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1091/mbc.E02-07-0431-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/12529444-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate2003-
heal.abstractThe organization of endoplasmic reticulum (ER) was examined in mouse eggs undergoing fertilization and in embryos during the first cell cycle. The ER in meiosis II (MII)-arrested mouse eggs is characterized by accumulations (clusters) that are restricted to the cortex of the vegetal hemisphere of the egg. Monitoring ER structure with DiI18 after egg activation has demonstrated that ER clusters disappear at the completion of meiosis II. The ER clusters can be maintained by inhibiting the decrease in cdk1-cyclin B activity by using the proteasome inhibitor MG132, or by microinjecting excess cyclin B. A role for cdk1-cyclin B in ER organization is further suggested by the finding that the cdk inhibitor roscovitine causes the loss of ER clusters in MII eggs. Cortical clusters are specific to meiosis as they do not return in the first mitotic division; rather, the ER aggregates around the mitotic spindle. Inositol 1,4,5-trisphosphate-induced Ca(2+) release is also regulated in a cell cycle-dependent manner where it is increased in MII and in the first mitosis. The cell cycle dependent effects on ER structure and inositol 1,4,5-trisphosphate-induced Ca(2+) release have implications for understanding meiotic and mitotic control of ER structure and inheritance, and of the mechanisms regulating mitotic Ca(2+) signaling.en
heal.journalNameMol Biol Cellen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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