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논문 기본 정보

자료유형
학술저널
저자정보
Fang, Xun (College of Veterinary Medicine, Chungnam National University) Qamar, Ahmad Yar (College of Veterinary Medicine, Chungnam National University) Yoon, Ki-Young (Dept. of Companion Animal, Shingu College) Cho, Jongki (College of Veterinary Medicine, Chungnam National University)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제33권 제4호
발행연도
2018.1
수록면
255 - 264 (10page)

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This experiment was conducted to analyse the effects of flavone supplementation on the preimplantation development of in-vitro produced porcine embryos. During in-vitro development, immature oocytes and early embryos were exposed to different concentrations of flavone (0, $1{\mu}M$, $25{\mu}M$, $50{\mu}M$, and $100{\mu}M$ respectively). Results showed that $100{\mu}M$ of flavone significantly reduced the intracellular ROS levels of oocytes accompanied with a significant rise in GSH level. In parthenogenesis, no significant change was observed in the cleavage rates whether flavone was supplemented in IVM or IVC media. In IVM supplemented group, the blastocyst development rate was significantly enhanced by $1{\mu}M$ concentration than other groups (51.5% vs. 41.3%, 44.0%, 36.3%, 31.7%; P<0.05) respectively. However, in IVC group $1{\mu}M$ concentration significantly improved the blastocysts production than $50{\mu}M$ and control groups (50.0% vs. 40.5%, 38.0%; P<0.05) respectively. Following nuclear transfer, the cleavage rate of IVM group was significantly more in $1{\mu}M$ than $50{\mu}M$ and $100{\mu}M$ groups (92.9% vs. 89.7%, 87.8%; P<0.05), followed by similar pattern of cloned blastocysts production being significantly higher in $1{\mu}M$ group than $50{\mu}M$, $100{\mu}M$ and control groups (16.8% vs. 9.0%, 7.1%, 12.8%; P<0.05) respectively. In IVC group, $1{\mu}M$ concentration resulted in significantly higher cleavage rate than $25{\mu}M$ and $50{\mu}M$ groups (91.7% vs. 87.8%, 88.8%; P<0.05) respectively. However, the blastocysts production was significantly higher in $100{\mu}M$ group than others (26.2% vs. 13.6%, 14.0%, 18.2%; P<0.05) respectively. The optimal concentrations of flavone significantly enhanced the percentages of ICM:TE than control group (43.8% vs. 37.6%; P<0.05) accompanied with significantly higher expression levels of reprogramming related genes. In conclusion, the optimal concentrations of $1{\mu}M$ during IVM and $100{\mu}M$ during IVC can significantly improve the production of porcine in-vitro embryos.

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