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Expression of hyaluronan synthase-3 in porcine oviducal epithelium during oestrus.
Uppsala University, Medicinska vetenskapsområdet, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Ludwiginstitutet för Cancerforskning.
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2003 (English)In: Reprod Fertil Dev, ISSN 1031-3613, Vol. 15, no 1-2, 99-105 p.Article in journal (Refereed) Published
Abstract [en]

Hyaluronan (HA) has been related to fertilization and embryo development in the pig. Furthermore, HA is present in pig oviduct fluid and the lining epithelium, particularly of the pre-ovulatory sperm reservoir. Because the mechanisms that regulate HA synthesis have not yet been clarified, semiquantitative reverse transcription-polymerase chain reaction (RT-PCR) was conducted to assess the expression of mRNAs of two HA-synthesizing enzymes (has2 and has3) in the oviduct epithelium (uterotubal junction, isthmus, ampullary-isthmic junction and ampulla segments) of non-inseminated (control) and inseminated (treatment) sows at pre-, peri- and post-ovulatory oestrus. Only has3 mRNA was detected; it was present in all tubal segments of both control and treatment samples. The level of has3 expression did not vary significantly between non-inseminated and inseminated specimens, but there was a tendency (NS) for increased mean values during the peri- and post-ovulatory stages compared with pre-ovulation. It is concluded that has3 is expressed by the porcine endosalpinx epithelium and the levels of expression do not vary during the critical periods of sperm transport and fertilization, despite fluctuating levels of HA in the tubal fluid at corresponding periods.

Place, publisher, year, edition, pages
2003. Vol. 15, no 1-2, 99-105 p.
Keyword [en]
Animals, Epithelium/metabolism, Estrus, Fallopian Tubes/*metabolism, Female, Fertilization, Gene Expression, Glucuronosyltransferase/*genetics/metabolism, Histocytochemistry, Hyaluronic Acid/metabolism, Microscopy; Electron; Scanning, RNA; Messenger/analysis, Reverse Transcriptase Polymerase Chain Reaction, Sperm Transport, Swine/*metabolism
URN: urn:nbn:se:uu:diva-10492PubMedID: 12895406OAI: oai:DiVA.org:uu-10492DiVA: diva2:38260
Available from: 2007-03-27 Created: 2007-03-27 Last updated: 2011-01-13

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