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Effect of Epididymal Fluid Fractionated by Chromatography on In Vitro Maturation of Porcine Follicular Oocytes

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  • 발행기관
    한국동물생명공학회(구 한국동물번식학회) 바로가기
  • 간행물
    Reproductive & developmental biology 바로가기
  • 통권
    Volume 34 No 4 (2010.12)바로가기
  • 페이지
    pp.275-281
  • 저자
    Byung Ki Kim, Hye Rim Kim
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A133254

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초록

영어
The aim of this study was to investigate what protein(s) of porcine epididymal fluid (pEF) are able to enhance the nuclear maturation of porcine germinal vesicle (GV) oocytes in vitro. Proteins of pEF were fractionated by affinity, ion exchange, and gel filtration chromatography. Porcine cumulus-oocytes complexes (COC) from follicles were cultured in tissue culture medium (TCM 199) containing various fractions obtained by chromatography. Porcine COCs were also cultured in TCM 199 containing various meiosis inhibitors and pEF. After 24 or 48 h culture, oocytes were examined for evidence of GV breakdown, metaphase I, anaphase-telophase I, and metaphase II. When porcine COCs were cultured in the medium with meiosis inhibitor such as, dibutyryl cAMP (dbcAMP) and forskolin (Fo), more than 80% of oocytes were unable to resume meiosis. However, porcine COCs supplemented with pEF were able to overcome the inhibitory effect of dbcAMP and Fo. Maturation rate of oocytes was significantly (p<0.05) increased in the media supplemented with cationic protein(s) during in vitro maturation than in those with anionic protein(s) (44.1% vs 20.0%). When oocytes were cultured in the TCM 199 with fractions obtained by gel filtration, the maturation rate of oocytes was significantly (p<0.05) higher in fraction 11 containing 18 kDa than other fractions. The present study suggests that 1) dbcAMP and Fo prevent the spontaneous maturation of oocyte after isolation from follicles, and that pEF contain a substance(s) that improves meiosis resumption in vitro of porcine COCs, 2) cationic 18 kDa protein(s) are responsible for promotion of MⅡ stage.

목차

ABSTRACT
 INTRODUCTION
 MATERIALS AND METHODS
  Culture Medium
  Preparation of Epididymal Fluid
  Chromatography of Porcine Epididymal Fluid
 RESULTS
 DISCUSSION
 REFERENCES

키워드

Chromatography In Vitro maturation Meiosis inhibitor Porcine epididymal fluid)

저자

  • Byung Ki Kim [ Department of Molecular Biology, College of Natural Sciences, Dong-Eui University ] Corresponding author
  • Hye Rim Kim [ Department of Molecular Biology, College of Natural Sciences, Dong-Eui University ]

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    한국동물생명공학회(구 한국동물번식학회) [The Korean Society of Animal Reproduction and Biotechnology]
  • 설립연도
    1976
  • 분야
    농수해양>축산학
  • 소개
    동물번식생리학, 동물생명공학, 수의학, 인공수정 및 수정란이식을 이용한 동물개량에 관한 이론과 기술의 발전을 통해 학계, 연구계, 산업계 및 양축가 상호간의 협력을 도모함으로써 동물과학발전 및 사회일반의 이익에 기여 한다는 목적을 위해 노력해 나가겠습니다.

간행물

  • 간행물명
    Reproductive & developmental biology
  • 간기
    계간
  • pISSN
    1738-2432
  • eISSN
    2288-0151
  • 수록기간
    1977~2018
  • 십진분류
    KDC 527 DDC 636

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