Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Biochemical and Histopathological Changes of Rockfish, Sebastes schlegeli by Dietary Benzo(a)pyrene

사료를 통한 Benzo(a)pyrene 노출에 따른 조피볼락, Sebastes schlegeli의 생화학 및 조직병리학적 변화

  • 박대국 (부경대학교 수산생명의학과) ;
  • 김재원 (부경대학교 수산생명의학과) ;
  • 지정훈 (부경대학교 수산생명의학과) ;
  • 박수일 (부경대학교 수산생명의학과) ;
  • 강주찬 (부경대학교 수산생명의학과)
  • Published : 2004.09.01
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Abstract

Experiments were carried out to investigate the lipid peroxidation (LPO), superoxide dismutase (SOD) activity and histopathological change of hepatic tissue for rockfish, Sebastes schlegeli after feeding sub-chronic dietary Benzo(a)pyrene (BaP) in the concentration of 0 (control), 0.5, 1.0, 1.5, 2.0 mg $kg^{-1}$ dry food of diet for 30 days. In 2.0 mg $kg^{-1}$ dry food group, the significant increase of LPO was observed in all period, and SOD activity was incresed at 30 days significantly in the same concentration. In the histological investigation of liver, there was the swelling of hepatic cells at 10 days over the 1.0 mg $kg^{-1}$ dry food concentration. At 30 days Periodic acid-Schiff (PAS) positive granule was observed in the same group and at 20 days was observed in 2.0 mg $kg^{-1}$ dry food group. And there was necrosis of hepatic cell in some fish of 2.0 mg $kg^{-1}$ dry food group at 30 days.

사료를 통한 benzo(a)pyrene이 조피볼락, Sebastes schlegeli의 lipid peroxidation (LPO), superoxide dismutase(SOD)활성과 간 조직의 병변 현상에 미치는 영향을 연구하기위해 0 (대조구), 0.5, 1.0, 1.5, 2.0 mg $kg^{-1}$ 농도의 사료를 조제하여 30일간 급이하였다. LPO는 2.0mg kg$^{-1}$농도구에서 전 실험기간 동안 유의적으로 증가하였고, SOD 활성도 2.0 mg $kg^{-1}$ 농도구에서 30일째에 유의적으로 증가하였다. 간 조직 검경시 10일째에 1.0mg $kg^{-1}$ 이상의 농도구에서 세포비대가 나타났고, 같은 농도에서 periodic acid-Schiff (PAS) 염색시 양성으로 나타나는 granule이 30일째에 나타났고, 2.0mg $kg^{-1}$ 농도구에서는 20일째부터 관찰되었다. 그리고, 30일째 2.0mg $kg^{-1}$ 농도구의 일부 어체에서는 간 세포의 괴사가 관찰되었다.

Keywords

References

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