Article (Scientific journals)
Extracellular matrix proteins and basement membrane identification in bovine ovaries and significance for the attachment of cultured preantral follicles
Figueiredo, J. R.; Hulshof, S. C. J.; Thiry, Marc et al.
1995In Theriogenology, 43 (5), p. 845-858
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Keywords :
Extracellular matrix; Preantral follicles; Ovaries
Abstract :
[en] Described in the present paper is the immunolocalization of the extracellular matrix proteins (e.g., fibronectin, collagen Types I and III) in the bovine ovary, with special attention to preantral follicles. In addition, we have shown, histochemically and ultrastructurally, that mechanically isolated bovine preantral follicles are surrounded by an intact basement membrane. After 24 h of culture in serum-free medium, only 20.4% of these follicles attached to a plastic substrate. We showed that covering the plastic with extracellular matrix proteins (i.e., fibronectin, collagen Type I and matrigel) significantly increased the percentage of attached follicles to 76.0, 65.2 and 80.4%, respectively, while laminin had no effect (18.6%). When preantral follicles were embedded within three-dimensional collagen gels, no loss of follicles was observed. Restoring surface interactions between preantral follicles and the extracellular matrix in vitro, either in a two- or a three-dimensional system, might be important for maintaining follicular viability and growth in the future.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Figueiredo, J. R.
Hulshof, S. C. J.
Thiry, Marc  ;  Université de Liège - ULiège > Département des sciences de la vie > Biologie cellulaire
Van den Hurk, R.
Bevers, M. M.
Nusgens, Betty ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Département des sciences biomédicales et précliniques
Beckers, Jean-François  ;  Université de Liège - ULiège > Département de sciences fonctionnelles > Physiologie de la reproduction
Language :
English
Title :
Extracellular matrix proteins and basement membrane identification in bovine ovaries and significance for the attachment of cultured preantral follicles
Publication date :
1995
Journal title :
Theriogenology
ISSN :
0093-691X
eISSN :
1879-3231
Publisher :
Elsevier, New York, United States - New York
Volume :
43
Issue :
5
Pages :
845-858
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 19 February 2011

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