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논문 기본 정보

자료유형
학술저널
저자정보
Chen J. B. (College of Animal Resources Science, Kangwon National University) Sa S. J. (College of Animal Resources Science, Kangwon National University) Cao Y. (College of Bioengineering, Dalian University) Choi S. H. (Animal Genetic Resources Station, National Livestock Research Institute) Cheong H. T. (College of Animal Resources Science, Kangwon National University) Yang B. K. (College of Animal Resources Science, Kangwon National University) Park C. K. (Division of Animal Resourcem Kangwon National University)
저널정보
한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제29권 제2호
발행연도
2005.1
수록면
75 - 82 (8page)

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This study were examined whether plasminogen activators (PAs) are produced by porcine fresh or frozen-thawed cumulus-oocytes complexes (COCs) and cumulus cell free-oocytes. In fresh or frozen-thawed COCs and oocytes for 0 hour cultured, no activity of PAs was detected. However, at 24 hours of culture urokinase-type plasminogen activator (uPA) was detected in COCs and denuded oocytes. In the frozen-thawed COCs and cumulus cell free-oocytes cultured for 24 hours, no PAs were observed. After COCs were cultured for 48 hours, tissue-type plasminogen activator (tPA) and tPA-PAI were observed in COCs only. In the frozen-thawed COCs and cumulus cell free-oocytes cultured for 48 hours, no PAs were observed. These results suggest that uPA, tPA and tPA-PAI are produced by porcine COCs, but only uPA by oocytes during maturation for 24 hours. Only tPA, and tPA-PAI are produced by COCs cultured for 48 hours, and no PAs are produced by denuded-oocytes cultured for 48 hours. In all of the frozen-thawed groups, no PAs are observed by COCs and denuded-oocytes.

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