한국수정란이식학회지 (Journal of Embryo Transfer)

  • 제21권1호
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  • Pages.29-34
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  • 2006
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  • 2508-755X(pISSN)
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  • 2288-0178(eISSN)
한국수정란이식학회 (The Korean Society of Embryo Transfer)
권호 표지

개 난자의 채취시기, EGF 및 호르몬 첨가가 체외성숙율에 미치는 영향에 관한 연구

Studies on the Effects of Collection Time, Supplementation of EGF and Hormones on IVM Rates of Canine Oocytes

  • Kim Y.H. (College of Veterinary Medicine, Chungnam National University) ;
  • Lee M.W. (College of Veterinary Medicine, Kyungpook University) ;
  • Kim S.K. (College of Veterinary Medicine, Chungnam National University)
  • 발행 : 2006.03.01
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⟨ 이전 논문 다음 논문 ⟩

초록

본 연구는 개 체외성숙 난자를 안정적으로 생산하기 위하여 채취시기, 난구세포 부착 여부 및 배양액에 EGF와 호르몬을 첨가 후 배양했을 때 체외성숙율에 미치는 영향을 조사하였다. 1. 미성숙 난포란을 TCM-199 배양액에서 24, 45시간 배양했을 때 체외성숙율은 각각 7.93%, 8.94%로서 48시간 배양했을 때 가장 높은 체외성숙율을 나타냈다. 2. 휴지기, 난포기, 황체기에 채취한 난소로부터 회수한 난자를 20 ng/ml의 EGF가 첨가된 TCM-199 배양액에서 배양했을 때 체외성숙율은 14.3%로서 0, 10 ng/ml의 EGF 첨가군(3.1%, 7.5%)에 비해 높은 체외성숙율을 나타냈다. 3. 난구세포 부착 및 미부착 난자를 48시간 배양했을 때 체외성숙율은 각각 18.8% 및 7.5%로서 난구세포 부착 난자가 미부착 난자보다 높은 체외성숙율을 나타냈다. 4. 난자의 체외성숙 배양 시 0.5 mg/ml FSH, 5 mg/ml LH, 1 mg/ml $E_2$와 FSH+LH, $FSH+LH+E_2$를 첨가한 TCM-199 배양액에서 배양했을 때 체외성숙율은 각각 1.2%, 10.0%, 2.0%와 10.0%, 31.2%로서 호르몬의 병용처리군이 높은 체외성숙율을 나타냈다. 5. 난자의 체외성숙 배양 시 EGF와 FSH, LH, $E_2$ 및 EGF와 FSH+LH, $FSH+LH+E_2$를 첨가한 TCM-199 배양액에서 배양했을 때 체외성숙율은 32.3%, 27.0%, 3.0%와 36.2%, 69.4%로서 EGF와 호르몬 병용 처리군이 높은 체외성숙율을 나타냈다.

키워드

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