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Comparative Study on Antineoplastic Activity of Polysaccharide from Four Kinds of Sea Cucumber

文献类型： 外文期刊

作者： Zhao Ling 1 ; Liu Qi 1 ; Yang Xianqing 2 ; Cao Rong 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Dept Food Engn & Nutr, Qingdao 266071, Peoples R China

2.Minist Agr, Key Lab Aquat Prod Proc, Guangzhou 510300, Guangdong, Peoples R China

3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Drugs & Bioprod, Qingdao 266071, Peoples R China

关键词： sea cucumber; polysaccharide; antineoplastic activity

期刊名称：JOURNAL OF OCEAN UNIVERSITY OF CHINA （ 影响因子：0.913； 五年影响因子：1.012 ）

ISSN： 1672-5182

年卷期： 2018 年 17 卷 6 期

页码：

收录情况： SCI

摘要： The antineoplastic activity of polysaccharide was investigated in Stichopus chlorontus, Isostichopus badionotus, Stichopus horrens and Holothuria lessoni massin. Crude polysaccharide was prepared with enzyme hydrolyzation method and purified by anion exchange chromatography using DEAE-sepharose fast flow column. The effect of polysaccharide on cells apoptosis of SiHa and U87 was examined with cell counting kit - 8 colorimetry method. Western blotting was used to analyze related proteins of cellular apoptosis including p53 and Bcl-2. Results showed that there were two main components in each sea cucumber polysaccharide, which could be eluted down by 1.0 mol/LNaCl solution. The four types of polysaccharide in the second component were named as SC-2, IB-2, HLM-2 and SH-2, respectively. They were used for comparing the antineoplastic activity. Results showed that SC-2, IB-2, HLM-2 and SH-2 could promote apoptosis of U87 and SiHa cells. SH-2 and HLM-2 were selected for the subsequent experiment to explore the additional effect of U87 and SiHa cells, The protein expressions of Bcl-2 and p53 decreased considerably with the increase of polysaccharide concentration in U87 cells. In SiHa cells, protein expressions of Bcl-2 and high dosage group of p53 decreased significantly, whereas no obvious decrease was observed in other groups. The polysaccharides are more effective in promoting apoptosis of U87 and SiHa cells from S. horrens and H. lessoni massin than from the rest species.

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