The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Pharmacological Effects of Proteoglycans Extracted from Fruiting Bodies of Fomitella fraxinea

장수버섯 자실체의 열탕추출액으로부터 분리한 단백다당체의 약리적 효과

  • 윤상홍 (농업과학기술원 생물자원부) ;
  • 임재현 (농업과학기술원 생물자원부) ;
  • 김양섭 (농업과학기술원 생물자원부) ;
  • 김창한 (건국대학교 축산학과) ;
  • 조준형 (수의과학연구소) ;
  • 황영수 (농업과학기술원 생물자원부)
  • Published : 1998.12.30
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Abstract

Anti-complementary assay for immuno-stimulating polysaccharide screening, human tumor colony-forming assay for discovering anti-tumor drugs, and toxic assay against mouse were performed to examine pharmacological activities of polysaccharides extracted from fruiting bodies of Jang-soo mushroom (Fomitella fraxinea). Hot water $(100^{\circ}C,\;FF-I)$, 1% ammonium oxalate solution $(80^{\circ}C,\;FF-II)$, and 5% sodium hydroxide solution $(80^{\circ}C,\;FF-III)$ were used for extraction of three polysaccharides from fruiting bodies of it. Anti-complementary activity of FF-I was more effective than the others. FF-I was further fractionated into three groups of polysaccharide by DEAE-Sephadex A25 column chromatography (FF-NP, FF-AP1, and FF-AP2). FF-AP1 showed not only the highest anti-complementary activity but also the growth-inhibitory activity against Snu-I (human stomach cancer cell) among 9 kinds of human tumor cell lines. But FF-AP2 exhibited its activity against Hep-2(larynx cancer) and KB(mouth epidermal cancer) cell lines at $500\;{\mu}g/ml$ although its anti-complementary activity was lower than it of FF-AP1. When FF-I was orally administrated to mice with dosage of 5000 mg/kg, no remarkable changes were observed in viewpoint of tissue-pathology.

국내에 자생하는 장수버섯(Fomitella fraxinea)의 자실체에서 분리한 수용성 다당체의 약리적 효과를 검정하기 위해 본 실험을 수행한 결과는 다음과 같다. 장수버섯 자실체에서 추출한 수용성 다당체는 DEAE-sephadex A-25 column chromatography에 의해 1종의 중성다당체(FF-NP)와 2종의 산성다당체(FF-AP1, FF-AP2)로 분리되었다. 3종의 다당체중 FF-AP1이 $20\;{\mu}g/ml$ 농도에서도 약리적으로 유효한 항보체 활성을 나타내었다. Clonogenic assay에 의한 9종의 인체 암세포에 대한 각 다당체의 저해효과검정에서, FF-AP1은 $500\;{\mu}g/ml$ 농도에서 인체 위암 세포주(Snu-1)에 대해 86%, FF-AP2는 동농도에서 인체 후두암(Hep-2)과 구피암(KB)에 대해 각각 71%와 77%의 생존억제율을 보여주었다. 장수버섯 자실체로부터 열수 추출한 조다당체에 대한 mouse의 급성독성 검정시험결과에서 반수치사량이 5000 mg/kg 이상이었으며, 육안이나 조직학적 관점에서 어떠한 이상도 관찰되지 않았다.

Keywords

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