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Type: Journal article
Title: A bovine oviduct epithelial cell suspension culture system suitable for studying embryo-maternal interactions: morphological and functional characterization
Author: Rottmayer, R.
Ulbrich, S.
Kolle, S.
Prelle, K.
Neumueller, C.
Sinowatz, F.
Meyer, H.
Wolf, E.
Hiendleder, S.
Citation: Reproduction, 2006; 132(4):637-648
Publisher: Bio Scientifica Ltd
Issue Date: 2006
ISSN: 1470-1626
Statement of
Regine Rottmayer, Susanne E Ulbrich, Sabine Kölle, Katja Prelle, Christine Neumueller, Fred Sinowatz, Heinrich H D Meyer, Eckhard Wolf, and Stefan Hiendleder
Abstract: We established a short-term (24 h) culture system for bovine oviduct epithelial cells (BOECs), obtained on day 3.5 of the estrous cycle and evaluated the cells with respect to morphological criteria, marker gene expression, and hormone responsiveness. BOEC sheets were isolated mechanically from the ampulla with similar yields from oviducts ipsi- and contralateral to the ovulation site (57.9 ± 4.6 and 56.4 ± 8.0 x 10⁶ cells). BOECs showed > 95% purity and cells cultured for 24 h maintained morphological characteristics present in vivo, as determined by light microscopy, scanning electron microscopy, and transmission electron microscopy. Both secretory cells with numerous secretory granules and ciliated cells with long, well-developed, and vigorously beating kinocilia were visible. Quantitative real-time PCR failed to detect significant differences in transcript levels between ipsi-and contralateral BOECs for the majority of marker genes (estrogen receptors and ß (ESR1 and ESR2), 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR), oviductal glycoprotein 1 (OVGP1), progesterone receptor (PGR), and tumor rejection antigen 1 (TRA1)) throughout the 24 h culture period. However, the combined data of all time points for glutathione peroxidase 4 (GPX4), a gene previously shown to be expressed at higher levels in the ipsilateral oviduct in vivo, also indicated significantly different mRNA levels in vitro. The expression of marker genes remained stable after 6 h cell culture, indicating only a short adaptation period. Western blot analysis confirmed ESR1 and PGR protein expression throughout the culture period. In agreement with cyclic differences in vivo, estradiol-17β stimulation increased PGR transcript abundance in BOECs. Our novel culture system provides functional BOECs in sufficient quantities for holistic transcriptome and proteome studies, e.g. for deciphering early embryo–maternal communication.
Keywords: In-vitro; gene-expression; estrous-cycle; luteinizing-hormone; estradiol regulation; enzyme-immunoassay; coculture; progesterone; sperm; monolayers
RMID: 0020061586
DOI: 10.1530/rep.1.01136
Appears in Collections:Agriculture, Food and Wine publications

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