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돼지 체외수정란 및 단위발생란의 미세관 형성 및 메틸화 양상
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  • 돼지 체외수정란 및 단위발생란의 미세관 형성 및 메틸화 양상
  • Microtubule Assemblies and Methylation Patterns of Porcine IVF and Parthenogenetic Embryos
저자명
박주희,김호정,이범기,권대진,황인선,박춘근,양부근,정희태,Park. Joo-Hee,Kim. Ho-Jeong,Lee. Beom-Ki,Kwon. Dae-Jin,Hwang. In-Sun,Park. Choon-Keun,Yang. Boo-
간행물명
Reproductive & developmental biology
권/호정보
2009년|33권 1호|pp.7-11 (5 pages)
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한국동물번식학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This study was performed to confirm the microtubule assemblies and methylation patterns of porcine IVF and parthenogenetic embryos. Cumulus-oocyte complexes were collected and matured in vitro for 42 hr. Oocytes were fertilized by prepared fresh sperm or activated parthenogenetically by exposure to electric stimulation and 6-dimethylaminopurine. Porcine IVF and parthenogenetic embryos were cultured in vitro for 6 days. Embryos were stained by immunofluorescence staining method to observe the dynamic of nucleus and microtubules in the first mitotic phase and the methylation patterns in different developmental stages. After then, samples were confirmed and analyzed through a laser-scanning confocal microscope. IVF embryos had a centrosome originated from sperms, which was shown a $gamma$-tubulin spot. However, $gamma$-tubulin spot was not observed in parthenogenetic embryos. A lower methylation level was observed in IVF embryos compared to parthenogenetic ones at the morula and blastocyst stages. In conclusion, it is considered that microtubule assemblies and genetic regulation mechanism differ between parthenogenetic and IVF embryos.