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题名: Comparison of Physicochemical Characteristics and Anticoagulant Activities of Polysaccharides from Three Sea Cucumbers
作者: Luo, Lan1, 2; Wu, Mingyi1; Xu, Li1; Lian, Wu1; Xiang, Jingying1; Lu, Feng1; Gao, Na1; Xiao, Chuang1; Wang, Shengmin2; null(赵金华)1
刊名: MARINE DRUGS
关键词: sea cucumber ; polysaccharide ; fucosylated chondroitin sulfate ; sulfated fucan ; glucan ; anticoagulant activity
英文摘要: In order to search for sulfated polysaccharides in different invertebrate connective tissues and to examine their biological activities, we have isolated three types of polysaccharides from the body wall of the three sea cucumbers Holothuria edulis, Apostichopus japonicas and Holothuria nobilis. The physicochemical properties and anticoagulant activities of these polysaccharides were examined and compared. The chemical composition analysis and nuclear magnetic resonance (NMR) analysis indicate that two types of polysaccharides, sulfated fucan and fucosylated chondroitin sulfate (FuCS), were found in all of the three species and in addition a neutral glycan was observed in H. edulis. The neutral alpha-glucan was firstly obtained from sea cucumber. The same type of polysaccharides from different species of sea cucumbers have similar physicochemical properties and anticoagulant activities, but those of different types of glycans are significantly different, possibly due to their different monosaccharide compositions, electric charges and average molecular weights. The FuCSs have stronger anticoagulant activities than the sulfated fucans, although the molecular sizes of the FuCSs are lower than those the sulfated fucans, whereas the neutral glucan has no activity, as expected from the absence of sulfate. Thus, anticoagulant activities of the different type of polysaccharides are likely to relate to monosaccharide composition and sulfate content. Preliminary analysis suggests that the sulfation patterns of the FuCSs may result in the difference in anticoagulant activities. Our data could help elucidate the structure-activity relationship of the sea cucumber polysaccharides.
出版日期: 2013-02-01
卷号: 11, 期号:2, 页码:399-417
DOI标识: 10.3390/md11020399
语种: 英语
收录类别: SCI
学科分类: Chemistry, Medicinal
ISSN号: 1660-3397
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16541
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Peoples R China
2.Southwest Jiaotong Univ, Sch Life Sci & Engn, Chengdu 611756, Peoples R China

Recommended Citation:
Luo, Lan; Wu, Mingyi; Xu, Li; Lian, Wu; Xiang, Jingying; Lu, Feng; Gao, Na; Xiao, Chuang; Wang, Shengmin; Zhao, Jinhua.Comparison of Physicochemical Characteristics and Anticoagulant Activities of Polysaccharides from Three Sea Cucumbers,MARINE DRUGS,2013,11(2):399-417
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