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HB-EGF but not amphiregulin or their receptors HER1 and HER4 is altered in endometrium of women with unexplained infertility
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2008 (Engelska)Ingår i: Reproductive Sciences, ISSN 1933-7191, Vol. 15, nr 5, s. 484-92Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Heparin-binding, epidermal growth factor-like growth factor (HB-EGF) and its receptors (HER I and HER4) play a role in the human implantation process. Amphiregulin is a member of the EGF family but with unknown function in human fertility. It has been suggested that some women with unexplained infertility have defective endometrial development. The aim of this study is to determine the presence of amphiregulin and the receptors HER1 and HER4 in normal human endometrium throughout the menstrual cycle. In addition) the present study aims to compare endometrium from women with unexplained infertility with endometrium from women with male factor infertility and healthy fertile controls. Immunohistochemistry and real-time polymerase chain reaction were used to determine the expression of HB-EGF, HER 1, HER4, and amphiregulin. The stromal staining of HER I and the epithelial staining of HER4 were most intense in the mid- and late-secretory-phase endometrium. Amphiregulin did not vary during the menstrual cycle. In the mid-secretory phase, the protein expression of HB-EGF was lower in endometrium from women with unexplained infertility versus normal endometrium and endometrium from women with malefactor infertility. HB-EGF and HER4 mRNA expression in mid-secretory endometrium of women with unexplained and malefactor infertility were increased compared with normal controls. Impaired endometrial expression of certain members of the EGF family may contribute to infertility in some women with unexplained infertility.

Ort, förlag, år, upplaga, sidor
2008. Vol. 15, nr 5, s. 484-92
Nyckelord [en]
HB-EGF HER1, HER4, human endometrium, unexplained infertility
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:uu:diva-17799DOI: 10.1177/19337191083t4624ISI: 000257086700009PubMedID: 18579857OAI: oai:DiVA.org:uu-17799DiVA, id: diva2:45570
Tillgänglig från: 2008-09-01 Skapad: 2008-09-01Bibliografiskt granskad

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