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논문 기본 정보

자료유형
학술대회자료
저자정보
Kim, Ji-Yeon (Animal Resource Research Center, Konkuk University) Lee, Hoon-Taek (Animal Resource Research Center, Konkuk University) Chung, Kil-Saeng (Animal Resource Research Center, Konkuk University)
저널정보
한국동물번식학회 한국동물번식학회 학술대회 한국동물번식학회 2003년도 학술발표대회 발표논문초록집
발행연도
2003.1
수록면
30 - 30 (1page)

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초록· 키워드

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The present study examined the developmental ability of embryonic stem (ES) cells aggregated with mouse parthenogenetic embryos. Oocytes obtained from superovulated female mouse (BCF1) were treated with 7% ethanol and 5 $\mu\textrm{g}$/$m\ell$ cytochalasin B (CB) for producing pathenotes and in vitro fertilized with fresh sperm for producing normal embryos. The reporter vector (pNeoEGFP) were inserted into ES cells (129S4/svJae) by electroporation. At the 8-cell stage, in vitro fertilized embryos and pathenotes, which the zona pellucida was removed, were co-cultured with 5~10 ES cells for 4 hr. After in vitro fertilized embryos and parthenotes aggregated with ES cells were incubated to blastocyst stage, and these blastocysts transferred into the uterus of pseudopregnant recipients. The fertilized embryos aggregated with ES cells were successfully developed to offspring, but the parthenotes aggregated with ES cells failed to develop offsprings. However, genomic DNA of ES cells was detected in the pathenogenetic fetus by polymerase chain reactions at 15 day post gestation. In this study, results indicated that parthenotes aggregated with ES cells showed possible development to fetus. In the future, this method may help to produce transgenic chimera from parthenotes aggregated with ES cells.

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