Applied Microscopy

Korean Society of Microscopy (한국현미경학회)
권호 표지

Protective Effect of Lithospermum erythrorhizon on Galactosamine Induced Liver Injury

자초(Lithospermum erythrorhizon)추출물의 투여가 Galactosamine으로 유도된 간손상에 미치는 보호 효과

  • 이현화 (조선대학교 자연과학대학 생물학과) ;
  • 윤중식 (생물방제센터) ;
  • 송선영 (광주보건대학 피부미용과)
  • Received : 2010.02.22
  • Accepted : 2010.03.23
  • Published : 2010.03.31
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Abstract

The present study was carried out to investigate the hepatoprotective effect of water extract of Lithospermum erythrorhizon on acute hepatotoxicity induced in Sprague-Dawley (SD) rats by a single dose of galactosamine (400 mg/kg, i.p). The animals were divided into four groups. The animals in the Con group were fed basal diet. GalN group were administered with galactosamine. LE200 and LE500 groups treated with water extract of Lithospermum erythrorhizon (such as 200 and 500 mg/kg/day, p.o) for 7 days before galactosamine injection. In the change of AST, ALT, ALP, GGT and LDH contents, as compared with GalN group, LE200 group were significantly decreased. According to the electron microscopical observation, liver cells were increased the lipid droplet, change of mitochondria in the GalN compared with LE200. These results suggest that administration of water extract of Lithospermum erythrorhizon suppress or retard galactosamine induced acute liver injury.

본 연구는 galactosamine 투여로 인해 유발된 흰쥐의 간독성에 미치는 자초추출물의 효과를 알아보기 위해 자초 추출물을 각각 200 mg/kg과 500 mg/kg을 매일 1회씩 7일간 복강내 주사한 후, 마지막 자초 추출물 투여일에 galactosamine을 주사하여 다음과 같은 결론을 얻었다. AST, ALT, ALP, GGT와 LDH의 활성도에서는 LE200군이 GalN군에 비해 유의적으로 감소하였다. 그리고 조직학적 변화에서, GalN군은 염증세포의 침윤과 국소적인 괴사성 변화가 나타났지만, LE군들에서는 GalN 투여에 의한 변화가 상당히 경감되었다. 또한 미세구조적 변화에서는 GalN군은 미토콘드리아의 변형, 지방적의 증가, 조면소포체의 분절 등 세포소기관의 변형을 유발하였다. 그러나 LE군들에서는 대조군과 유사한 소견을 보여 주었다. 이상의 결과들로 보아, 자초추출물은 galactosamine 투여로 간독성을 유발시킨 흰쥐의 간 조직에 장애를 주지 않으면서 간독성을 완화시키는 효과가 있다고 사료된다.

Keywords

References

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