Journal of Embryo Transfer (한국수정란이식학회지)

The Korean Society of Embryo Transfer (한국수정란이식학회)
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Physiological Difference of Estrus and Pregnant Ovary in Korean Water Deer

한국산 고라니의 발정기와 임신기 난소의 생리학적 차이

  • Kim, Sang-Hwan (Institute of Genetic Engineering, Hankyong National University) ;
  • Lee, Ho-Jun (Institute of Genetic Engineering, Hankyong National University) ;
  • Lee, Joo-Yong (Major in Animal Fusion Biotechnology, Major in Genomic Informatics, Hankyong National University) ;
  • Park, Yong-Su (Jangsu Endangered Species Restoration Team) ;
  • Yoon, Jong-Taek (Institute of Genetic Engineering, Hankyong National University)
  • 김상환 (한경대학교 유전공학연구소) ;
  • 이호준 (한경대학교 유전공학연구소) ;
  • 이주영 (한경대학교 미래융합기술대학원 유전체정보전공) ;
  • 박용수 (장수군청 환경위생과 생태복원팀) ;
  • 윤종택 (한경대학교 유전공학연구소)
  • Received : 2014.03.12
  • Accepted : 2014.03.26
  • Published : 2014.03.31
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Abstract

To describe the macroscopic anatomy and ovarian-physiological difference of the genital organs of the female Korean water deer, organs from captured animals in a wild area of Korea were dissected. The ovary of estrus group was about $1.10{\pm}0.02mm$ long and weighed about $0.50{\pm}0.02g$. And pregnant group was about $1.3{\pm}0.10mm$ long and weighed about $0.40{\pm}0.05g$. And the crowns of corpora lutea were found in the estrus group, but we couldn't find crowns at the pregnant group. Especially, the estrus ovaries tended (p=0.04) to be heavier than the ovaries during pregnancy. The MMP-9 activity was higher at the Graafian follicles of pregnant group than that in estrus group. However, with regard to follicles of estrus group, MMP-2 level was higher than that in pregnant group. Furthermore, apoptosis detection marker (Casp-3) was highly expressed in Graafian follicle of the pregnant group and the corpora lutea of estrus group. Thus, the differential expression of MMPs observed in this study suggests that the reflected the mechanisms underlying of monovulatory in estrus and/or pregnancy. Our results may be very useful as it provides with information that may be considered for the development of reproductive biotechnologies in endangered animals.

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References

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