In vitro developmental potential of bovine nuclear transfer embryos derived from primary cultured cumulus cells |
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| Authors: | Mohamed Nour M S Takahashi Y |
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| Institution: | Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan. |
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| Abstract: | The in vitro development and the quality of blastocysts produced from the nuclear transfer (NT) embryos reconstituted from primary cultured cumulus cells (NT-cumulus) were examined compared to in vitro fertilized embryos (IVF) and NT embryos reconstituted from the embryonic blastomeres (NT-blastomere). The cleavage rate, and the development to blastocyst were the same for all three sets of embryos. The time required for blastocoel formation starting from the time of the initial cleavage was shorter for NT embryo groups than IVF ones. All experimental groups produced morphologically similar and normal blastocysts containing the same cell number. The percentage of the blastocysts with normal chromosomal complements were the same for NT-cumulus and IVF. |
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