Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Comparison of Anticacer Activities from the Culture and Extraction Conditions of the Spirulina platensis

Spirulina platensis의 배양 및 추출조건에 따른 항암활성 비교

  • Published : 2006.06.01
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Abstract

A extract from Spirulina platensis of seawater and freshwater was obtained by using the water and ethanol. Extraction yields of seawater S. platensis were observed about 3% higher than freshwater S. platensis. Cytotoxicity (HEK293) and inhibition ratio of cancer cell line (A549, AGS, MCF7, Hep3B) in adding of the extracts from the S. platensis of seawater and freshwater were measured by SRB assay. Cytotoxicity of all of the extracts in adding 1.0 mg/ml was below 26%. Ctotoxicity of the extracts from the seawater S. platensis were about 6% less than freshwater S. platensis. Inhibition ratio of cancer cell growth was inhibited by adding 1.0 mg/ml of the extracts that was obtained about 80%. Inhibition effect of cancer cell growth in adding seawater S. platensis was observed higher than freshwater S. platensis. Differentiation ratio of HL-60 cells in adding the extracts of seawater S. platensis was observed highly that was 160.9%.

담수 혹은 해수에서 배양한 S. platensis의 추출조건에 따른 수율을 비교하기 위해 60$^{\circ}C$와 100$^{\circ}C$에서 물과 에탄올을 이용하여 추출하여 추출 수율을 비교한 결과 해수 S. platensis가 약 3% 정도 높은 추출 수율을 나타내었다. 그리고 각 추출물의 정상세포에 대한 세포 독성을 살펴보기 위하여 인간 정상 신장 세포(HEK293)를 이용하였으며, 모든 시료에서 1.0 mg/ml의 농도에서 26%이하의 비교적 낮은세포독성을 나타내었고, 그 중 해수 S. piatensis가 담수 S. piatensis보다 약 5% 정도 낮은 세포독성을 나타내었다. 그리고 암세포에 대한 암세포 생육 억제 활성을 측정한 결과 4가지 암세포 주인 폐암세포(A459)와 위암세포(AGS), 유방암세포(MCF-7)와 간암세포(Hep3B)에 대해 모든 추출물에 대해 1.0 mg/ml의 농도에서 70%이상의 높은 암세포 생육억제 효과를 나타내었고, 그 중 해수 S. platensis의 60$^{\circ}C$물 추출물에서 80%이상으로 가장 높은 암세포 생육 억제 효과를 나타내었다. 선택적 사멸도는 모든 암세포에서 1.5 이상으로 나타나 암세포에 대해 선택적으로 사멸시키는 것으로 나타났다. 담수 혹은 해수를 사용하여 배양한 경우 해수 S. platensis가 추출 수율뿐만 아니라 정상세포에 대한 세포독성 및 암세포 생육 억제 활성에서 높은 효과를 나타내었다. 인간 전골수세포인 HL-60세포를 이용한 세포분화도를 측정한 결과 60$^{\circ}C$에서 물을 이용하여 추출한 해수 S. platensis에서 담수 S. platensis보다 5일째 약 20% 정도의 높은 세포 분화 활성을 나타내었다.

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