생명과학회지 (Journal of Life Science)

  • 제28권7호
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  • Pages.811-818
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  • 2018
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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DOI QR코드

DOI QR Code

암컷 마우스 생식기관 내 수은 화합물의 위치와 시간에 따른 축적된 수은 농도 변화

Localization and Accumulated Concentration Changes of Mercury Compound in Reproductive Organs of Female Mice with Time

  • 김영은 (순천대학교 생명산업과학대학 생물학과) ;
  • 김유선 (순천대학교 생명산업과학대학 생물학과) ;
  • 조현욱 (순천대학교 생명산업과학대학 생물학과)
  • Kim, Young Eun (Department of Biology, College of Life Science and Natural Resources, Sunchon National University) ;
  • Kim, Yu Seon (Department of Biology, College of Life Science and Natural Resources, Sunchon National University) ;
  • Cho, Hyun Wook (Department of Biology, College of Life Science and Natural Resources, Sunchon National University)
  • 투고 : 2018.03.08
  • 심사 : 2018.06.04
  • 발행 : 2018.07.30
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초록

본 연구에서는 암컷 생식기관 내 축적된 수은 화합물의 위치와 시간에 따른 수은의 농도 변화를 확인하기 위하여 수행하였다. Methylmercuric chloride를 일주일에 한 번씩 총 3주간 사춘기 암컷 마우스에 피하 주사하였다. 시간에 따른 수은의 농도 변화를 확인하기 위해 투여 종료 후 10일, 150일, 300일째에 희생하였다. 투여 종료 후 10일에 희생한 경우 체중에 유의한 차이가 있었지만, 그 외 경우에는 체중과 난소의 무게에 있어서 대조군과 수은 투여군 사이에 유의한 차이가 없었다. 축적된 수은의 위치를 오토메탈로그라피 방법으로 확인하였고, 자궁, 난소, 난자에 축적된 수은 화합물의 위치를 광학현미경으로 분석하였다. 자궁의 경우, 투여 종료 후 10일째에 수은이 지질 세포와 자궁바깥막의 중피에 위치하였다. 150일째에는 수은 농도가 감소하였으며 300일째에는 나타나지 않았다. 투여 종료 후 10일째 난소의 경우, 수은이 피질 부위의 지질 세포와, 난포를 둘러싸는 난포막 세포, 황체에 분포하였다. 150일째에는 수은이 난소의 수질 부위에 축적되었으며, 300일째에는 분포하지 않았다. 투여 종료 후 10과 150일째 난자의 경우, 수은이 난자의 주변부에 주로 분포하였으며, 300일째에는 수은 농도가 감소되고 난자 전체에 고르게 분포하였다. 이런 결과는 암컷 마우스에서 수은에 의해 호르몬 생성, 착상, 그리고 발생 중인 배아가 영향을 받을 수 있다는 사실을 제시해 준다.

This study was performed to investigate the localization and concentration changes of mercury compound in female reproductive organs with time. Methylmercuric chloride was subcutaneously injected weekly into pubescent female mice for 3 weeks. For the concentration changes of mercury with time, the mice were sacrificed at 10, 150, and 300 days post treatment (DPT). Body and organ weights were not significantly different between the control and mercury-treated groups, except for 10 DPT in body weight. Localization of accumulated mercury was identified by the autometallography method. Localization of mercury compounds in the uterus, ovary, and ovum was analyzed with a light microscope. In the uterus, mercury was densely located in the stroma cells and surface epithelium of the perimetrium at 10 DPT. Mercury concentration was decreased at 150 DPT and did not appear at 300 DPT. In the ovary, mercury particles were distributed in the stroma cells of the cortex region, cells of the theca around the follicle, and the corpus luteum at 10 DPT. Mercury was concentrated in the medulla region at 150 DPT and was not distributed at 300 DPT. In the ovum, mercury particles were mainly located in the marginal region at 10 and 150 DPT. Mercury concentration was decreased and evenly distributed at 300 DPT. These results suggest that hormone synthesis, implantation, and developing embryos will be affected by mercury compound in the female mouse.

키워드

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