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Original Article

Fertility preservation in pig using ovarian tissues by vitrification method

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  • 발행기관
    한국동물생명공학회(구 한국동물번식학회) 바로가기
  • 간행물
    Journal of Animal Reproduction and Biotechnology 바로가기
  • 통권
    Volume. 37 No. 2 (2022.06)바로가기
  • 페이지
    pp.106-112
  • 저자
    In-Sul Hwang
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A414531

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원문정보

초록

영어
Cryopreservation of porcine ovarian tissue by vitrification method is a promising approach to preserve genetic materials for future use. However, information is not enough and technology still remains in a challenge stage in pig. Therefore, the objective of present study was to determine possibility of vitrification method to cryopreserve porcine ovarian tissue and to confirm an occurrence of cryoinjuries. Briefly, cryoinjuries and apoptosis patterns in vitrified-warmed ovarian tissue were examined by histological evaluation and TUNEL assay respectively. In results, a damaged morphology of oocytes was detected among groups and the rate was significantly (p < 0.05) lower in vitrification group (25.8%) than freezing control group (67.7%), while fresh control group (6.6%) showed significantly (p < 0.05) lower than both groups. In addition, cryoinjury that form a wave pattern of tissues around follicles was found in the frozen control group, but not in the fresh control group as well as in the vitrification group. Apoptotic cells in follicle was observed only in freezing control group while no apoptotic cell was found in both fresh control and vitrification. Similarly, apoptotic patterns of tissues not in follicle were comparable between fresh control and vitrification groups while freezing control group showed increased tendency. Conclusively, it was confirmed that vitrification method has a prevention effect against cryoinjury and this method could be an alternative approach for cryopreservation of genetic material in pigs. Further study is needed to examine the viability of oocytes derived from vitrified-warmed ovarian tissue.

목차

ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
Chemicals
Preparation of ovarian tissue slices
Vitrification procedures of ovarian tissues
Warming procedures of ovarian tissues
Histology of ovarian tissues
TUNEL assay of ovarian tissues
Statistical analysis
RESULTS
Histological evaluation of ovarian tissues
Apoptotic patterns of ovarian tissues
DISCUSSION
CONCLUSION
REFERENCES

키워드

apoptosis cryoinjury fertility preservation ovary pig vitrification

저자

  • In-Sul Hwang [ Columbia Center for Translational Immunology, Columbia University Irving Medical Center, Columbia University, New York 10032, USA, Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea ] Corresponding Author

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
    Journal of Animal Reproduction and Biotechnology
  • 간기
    계간
  • pISSN
    2671-4639
  • eISSN
    2671-4663
  • 수록기간
    2019~2025
  • 십진분류
    KDC 527 DDC 636

이 권호 내 다른 논문 / Journal of Animal Reproduction and Biotechnology Volume. 37 No. 2

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