Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Protective Effects of Mesangi (Capsosiphon fulvecens) on Hepatotoxicity in Carbon Tetrachloride (CCI4)-Intoxicated Rats

매생이가 사염화탄소로 유발된 흰쥐의 간손상에 미치는 영향

  • Kwon, Mi-Jin (Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • Nam, Taek-Jeong (Faculty of Food Science and Biotechnology, Pukyong National University)
  • 권미진 (부경대학교 식품생명공학부) ;
  • 남택정 (부경대학교 식품생명공학부)
  • Published : 2006.08.30
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Abstract

This study investigated the hepatoprotective effects of mesangi (Capsosiphon fulvecens) in carbon tetrachloride $(CCI_4)$-induced liver injury. Thirty healthy male Sprague-Dawley rats were divided into three groups : the normal (Normal), $CCI_4$-treated $(CCI_4)$, and mesangi-treated (Exp-CF) groups. Administration of $CCI_4$ increased the levels of GOT, GPT, and LDH in serum, while the levels were significantly decreased by the addition of mesangi. Higher levels of HDL-cholesterol were found in the Normal and Exp-CF groups, which has lower levels of total and LDL-cholesterol. Administration of $CCI_4$ also increased IGFBP-1 expression in serum, but it was decreased in the Exp-CF group. This suggests that $CCI_4$ is involved in the change in IGFBP-1 expression via its hepatotoxicity. The results indicate that mesangi has a hepatoprotective effect in rats given $CCI_4$.

본 연구에서는 매생이 급이가 사염화탄소로 유발된 흰쥐의 간손상에 대한 보호효과를 나타내는지 살펴보고자 하였다. 사염화탄소 투여에 의해 혈중 GOT, GPT 및 LDH 활성이 정상군과 비교하여 각각 5배, 3.1배 및 2.3배 증가하였다. 반면 사염화탄소 투여와 동시에 5% 매생이 분말을 급이한 실험군의 GOT, GPT 및 LDH 활성은 사염화탄소 투여군과 비교하여 각각 67%, 53% 및 53% 감소하였다. 그리고 사염화 탄소에 의해 혈청 및 간장의 중성지질 함량이 증가하였는데, 매생이 급이는 증가한 중성지질 함량을 감소시키는 결과를 나타내었다. 또한, 사염화탄소 투여로 인한 간손상을 통해 지질 합성 및 대사이상으로 혈중 IGFBP-1 발현이 증가되었으나, 매생이 급이를 통해 혈중 IGFBP-1이 감소되어 정상군과 비슷한 수준으로 발현되었다. 이상의 결과에서, 본 실험에서 사용된 매생이는 사염화탄소의 투여로 인한 간손상을 저해하여 혈중 GOT, GPT 함량을 감소시키고, 혈청 및 간장의 지질함량을 감소시킴으로써 사염화탄소에 의한 간손상 예방효과가 있음을 나타내었다. 뿐만 아니라 혈중 IGFBP-1의 변화는 사염화탄소 투여 및 매생이 급이로 인해 변화, 조절됨을 확인함에 따라 간손상 및 간보호의 지표로 사용하기에 효과적임을 나타내었다. 따라서, 앞서 서론에서 제시한 바와 같이 매생이 내에 간보호 또는 간기능을 회복시키는 성분이 함유되어 있음을 확인함에 따라, 앞으로 그 활성물질을 분리, 규명하여 간보호 및 간장질환을 목적으로 하는 식품소재로서의 활용이 가능할 것으로 생각된다.

Keywords

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