Toxicological Research

Korean Society of Toxicology & Korea Environmental Mutagen Society (한국독성학회)
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Anti-Oxidative Effects of Rubus coreanum Miquel Extract on Hepatic Injury Induced by Lipopolysaccharide

복분자 추출물이 Lipopolysaccharide로 유도된 간 손상에 대한 항산화 효과

  • Kim, In-Deok (Department of Pharmaceutical Engineering, College of Medical Life Science, Silla University) ;
  • Kang, Kum-Suk (Department of Pharmaceutical Engineering, College of Medical Life Science, Silla University) ;
  • Kwon, Ryun-Hee (Department of Pharmaceutical Engineering, College of Medical Life Science, Silla University) ;
  • Ha, Bae-Jin (Department of Pharmaceutical Engineering, College of Medical Life Science, Silla University)
  • 김인덕 (신라대학교 의생명과학대학 제약공학과) ;
  • 강금석 (신라대학교 의생명과학대학 제약공학과) ;
  • 권륜희 (신라대학교 의생명과학대학 제약공학과) ;
  • 하배진 (신라대학교 의생명과학대학 제약공학과)
  • Published : 2007.12.31
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Abstract

The protective effects of Rubus coreanum Miquel (RCM) extract against LPS-induced hepatotoxicity were studied in rats. Squrague-Dawley rats were intraperitoneally administered the RCM at 100 mg/kg per day for three weeks. Then single dose of LPS (5 mg/kg) was injected into rats. Four hours later, they were anesthesized with ether and dissected. We examined the levels of glutamate oxaloacetate transaminase (AST), glutamate pyruvate transaminase (ALT), alkaline phosphatase (ALP) and lactate dehydrogenase (LDH) in sera, superoxide dismutase (SOD) in mitochondrial fraction and catalase (CAT), glutathione peroxidase (GPx) in liver homogenate. LPS-treatment markedly increased the levels of AST, ALT, ALP, LDH and significantly decreased those of SOD, CAT and GPx. But RCM-pretreatment decreased the levels of AST, ALT, ALP and LDH by 57.9%, 37.4%, 62% and 69% respectively and increased those of SOD, CAT and GPx by 82.9%, 64.2% and 96.7% respectively. Subsequently, the protective effects of RCM was evaluated through histopathological examination of liver tissue. The LPS treatment increased the state of necrosis and cirrhosis surrounding the central veins (CV) and sinusoid, but RCM-treatment decreased the state of necrosis and cirrhosis in the liver tissue. These results demonstrated that protective effects of RCM against LPS-induced hepatotoxicity.

Keywords

References

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