Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/16541
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dc.contributor.authorMessinis, I. E.en
dc.contributor.authorMilingos, S.en
dc.contributor.authorKollios, G.en
dc.contributor.authorSeferiadis, K.en
dc.contributor.authorPapanikolaou, N.en
dc.contributor.authorLolis, D.en
dc.date.accessioned2015-11-24T18:32:08Z-
dc.date.available2015-11-24T18:32:08Z-
dc.identifier.issn0951-3590-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/16541-
dc.rightsDefault Licence-
dc.subjectluteinizing hormoneen
dc.subjectfollicle-stimulating hormoneen
dc.subjectgonadotropinsen
dc.subjectpituitaryen
dc.subjectgonadotropin-releasing hormoneen
dc.subjectovaryen
dc.subjectovariectomyen
dc.subjectsurge-attenuating factoren
dc.subjectself-priming actionen
dc.subjectfactor gnsafen
dc.subjectovarian hyperstimulationen
dc.subjectsuperovulated womenen
dc.subjectinhibiting factoren
dc.subjectfemale ratsen
dc.subjectfluiden
dc.subjectlhrhen
dc.subjectfshen
dc.titleChanges in pituitary response to gonadotropin-releasing hormone following bilateral ovariectomy in women treated with follicle-stimulating hormoneen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondary<Go to ISI>://A1996WF35100003-
heal.identifier.secondaryhttp://informahealthcare.com/doi/abs/10.3109/09513599609023601-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate1996-
heal.abstractSuperovulation induction in women attenuates the Pituitary response to gonadotropin-releasing hormone (GnRH). The aim of this study was to assess the duration of the suppressing activity of the ovaries on the pituitary. Eighteen normally ovulating women received treatment with follicle-stimulating-hormone (FSH, 225 IU/day) on cycle days 2, 3 and 4. On cycle day 4, six women underwent hysterectomy plus bilateral ovariectomy (group A), another six women underwent hysterectomy without ovariectomy (group B) and the remaining six women underwent no operation (group C). The women of group C were also investigated during a preceding untreated spontaneous cycle (group D). The response of luteinizing hormone (LH) to an intravenous injection of 10 mu g GnRH was investigated on cycle days 2, 3, 4 (2 and 12 h after clamping of the infundibulopelvic and/or round ligaments), 5, 6 and 7 in all four groups The response of LH to GnRH at 30 min (Delta LH) was significantly attenuated as early as 12 h from the onset of FSH treatment (group A, B and C), while estradiol and inhibin concentrations started to increase later (group C). In group C (no operation), the attenuation of Delta LH values continued throughout the study period, while in groups A and B the initial attention was followed by a marked increase in Delta LH values within 2 h from the operation. The increase in group A was twice the value in group B. Following this, Delta LH values in group B were attenuated again within the next 24 h, while in group A they remained for the rest of the postoperative period significantly higher than in group B. In conclusion, it was found that the factor that mediates the suppressing superovulated ovaries on the pituitary has a short-lasting (<2 h) attenuating activity in the circulation.en
heal.journalNameGynecological Endocrinologyen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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