Reproductive and Developmental Biology

  • 제35권2호
  • /
  • Pages.191-195
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  • 2011
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  • 1738-2432(pISSN)
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  • 2288-0151(eISSN)
한국동물번식학회 (The Korean Society of Animal Reproduction)
권호 표지

Generation of Reactive Oxygen Species in Porcine Parthenogenetic Embryos

  • Hwang, In-Sun (College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University) ;
  • Park, Choon-Keun (College of Animal Life Sciences, Kangwon National University) ;
  • Yang, Boo-Keun (College of Animal Life Sciences, Kangwon National University) ;
  • Cheong, Hee-Tae (College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University)
  • 투고 : 2011.05.22
  • 심사 : 2011.06.13
  • 발행 : 2011.06.30
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초록

The present study was conducted to examine the reactive oxygen species (ROS) generation levels in porcine parthenogenetic embryos. Porcine in vitro matured oocytes were activated by the combination of electric stimulus and 6-DMAP before in vitro culture. Porcine oocytes and parthenogenetic embryos were stained in 10 ${\mu}M$ dichlorohydrofluorescein diacetate (DCF) or 10 ${\mu}M$ hydroxyphenyl fluorescein (HPF) dye each for 30 min at $39^{\circ}C$. The fluorescent emissions from the samples were recoded as JPEG file and the intensity of fluorescence in oocytes and embryos were analyzed. $H_2O_2$ and $^{\cdot}OH$ radical levels of porcine oocytes were reduced immediately after electric stimulation. However, $H_2O_2$ and $^{\cdot}OH$ radical levels of parthenogenetic embryos were increased with time elapsed after electric stimulation from 0 h to 3 h and after DMAP culture. During in vitro culture, $H_2O_2$ and $^{\cdot}OH$ radical levels were gradually increased from the one-cell stage to the two- and four-cell stages. The result of the present study suggests that the ROS was not increased by electric pulse in porcine embryos. Rather than it seems to be associated with the stage of development and the culture condition.

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참고문헌

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