In vitro fertilization of bovine oocytes in protein-free culture system

In vitro fertilization of bovine oocytes in protein-free culture system We studied the possibility of fertilization of bovine oocyte-cumulus complexes, matured in vitro in a protein-free medium, in a protein-free culture system without preliminary capacitation of spermatozoa. The development of embryos to the morula-blastocyst and blastocyst stage was considered as a criterion of successful fertilization. It was shown that replacement of bovine serum albumin for polyvinyl alcohol or polyvinylpyrrolidone in Tyrode medium for fertilization did not affect significantly the development to the morula-blastocyst stage and the number of cells in blastocysts. It was also found that replacement bovine serum albumin for polyvinyl alcohol in all used media, Tyrode medium for washing of oocytes, medium for sperm preparation to fertilization, and Tyrode medium for fertilization, did not affect significantly the development to the morula-blastocyst and blastocyst stages, as well as on the number of cells in blastocysts. The results obtained suggest that in vitro fertilization of bovine oocyte-cumulus complexes is possible in a protein-free culture system without significant reduction in the capacity for in vitro development of the obtained embryos and number of cells in blastocysts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

In vitro fertilization of bovine oocytes in protein-free culture system

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1134/S106236040606004X
Publisher site
See Article on Publisher Site

Abstract

We studied the possibility of fertilization of bovine oocyte-cumulus complexes, matured in vitro in a protein-free medium, in a protein-free culture system without preliminary capacitation of spermatozoa. The development of embryos to the morula-blastocyst and blastocyst stage was considered as a criterion of successful fertilization. It was shown that replacement of bovine serum albumin for polyvinyl alcohol or polyvinylpyrrolidone in Tyrode medium for fertilization did not affect significantly the development to the morula-blastocyst stage and the number of cells in blastocysts. It was also found that replacement bovine serum albumin for polyvinyl alcohol in all used media, Tyrode medium for washing of oocytes, medium for sperm preparation to fertilization, and Tyrode medium for fertilization, did not affect significantly the development to the morula-blastocyst and blastocyst stages, as well as on the number of cells in blastocysts. The results obtained suggest that in vitro fertilization of bovine oocyte-cumulus complexes is possible in a protein-free culture system without significant reduction in the capacity for in vitro development of the obtained embryos and number of cells in blastocysts.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Nov 22, 2006

References

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