Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/21981
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dc.contributor.authorMakrigiannakis, A.en
dc.contributor.authorZoumakis, E.en
dc.contributor.authorKalantaridou, S.en
dc.contributor.authorChrousos, G.en
dc.date.accessioned2015-11-24T19:19:43Z-
dc.date.available2015-11-24T19:19:43Z-
dc.identifier.issn0165-0378-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/21981-
dc.rightsDefault Licence-
dc.subjectCorticotropin-Releasing Hormone/metabolism/*physiologyen
dc.subject*Embryo Implantationen
dc.subjectEndometrium/*metabolismen
dc.subjectFemaleen
dc.subjectHumansen
dc.subjectPlacenta/*metabolismen
dc.subjectPregnancyen
dc.titleEndometrial and placental CRH as regulators of human embryo implantationen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1016/j.jri.2003.11.006-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/15288181-
heal.identifier.secondaryhttp://ac.els-cdn.com/S016503780400035X/1-s2.0-S016503780400035X-main.pdf?_tid=7fc9094e1ae370ba8824a53a77d6590b&acdnat=1333463406_07d1bbc2773b34376e44aa88b6e6dfc3-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2004-
heal.abstractEpithelial cells of the human endometrium and differentiated endometrial stromal cells express the corticotropin-releasing hormone (CRH) gene. CRH is also produced by human placental cytotrophoblast. Endometrial and placental CRH are under the endocrine control of gonadal steroids as well as under autocrine/paracrine regulation by prostanoids and interleukins. Human endometrium, myometrium and placenta express the relevant receptors. Human trophoblast and decidualized endometrial cells also express Fas ligand (FasL), a pro-apoptotic molecule. These findings suggest that intra-uterine CRH may participate in local inflammatory phenomena associated with blastocyst implantation, while FasL may assist with maternal immune tolerance to the semi-allograft embryo. A nonpeptidic CRH receptor type 1 (CRH-R1)-specific antagonist decreased the expression of FasL by human trophoblasts, suggesting that CRH regulates the pro-apoptotic potential of these cells in an auto-paracrine fashion. Invasive trophoblasts promoted apoptosis of activated Fas-expressing human T lymphocytes, an effect potentiated by CRH and inhibited by the CRH antagonist. Female rats treated with the CRH antagonist in the first 6 days of gestation had a dose-dependent decrease of endometrial implantation sites and live embryos as well as markedly diminished endometrial FasL expression. However, embryos of mothers lacking T cells (nude rats) and embryos of syngeneic matings were not rejected when mothers were treated with antalarmin, suggesting that the effect of antalarmin on embryonic implantation is not due to a nonspecific toxicity of this compound but a specific effect on T cells. Our data suggest important physiological roles of endometrial and placental CRH in the regulation of blastocyst implantation and early maternal tolerance.en
heal.journalNameJ Reprod Immunolen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ

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