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Development of a chemically defined in vitro maturation system for porcine oocytes: application for somatic cell nuclear transfer

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Authors
Koo, Ja-Min; Won, Cheol-Hee; Min, Byung-Moo; Roh, Sang-Ho
Issue Date
2005
Publisher
Korean Academy of Oral Biology
Citation
International journal of oral biology 30(4):131-134
Keywords
In vitro maturationporcineparthenogenesisnuclear transfer
Abstract
In the present study, performances of several in vitro maturation (IVM) systems for porcine follicular oocytes were evaluated, and an efficient chemically defined IVM system for porcine oocytes was proposed. The proposed one-step culture system supplemented with polyvinylalcohol (PVA) gave competitive efficiencies in terms of oocyte maturation and blastocyst development after parthenogenetic activation and in vitro culture, compared with the conventional two-step culture system by a supplementation of porcine follicular fluid (pFF). Additionally, it is identified that the proposed chemically defined one-step culture system yielded the comparable level of blastocyst production to the conventional maturation system in porcine somatic cell nuclear transfer (SCNT). Therefore, one can eliminate un-expected effects accompanied by supplementation of pFF. No medium replacement during whole maturation period is an additional benefit by applying this new system. Thus, these data support that the developed PVA supplemented chemically defined one-step IVM system for porcine follicular oocyte might be used in porcine SCNT program.
ISSN
1226-7155
Language
English
URI
https://hdl.handle.net/10371/68821
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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