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A regular fucan sulfate from Stichopus herrmanni and its peroxide depolymerization: Structure and anticoagulant activity
Li,Xiaomei; Li,Shanni; Liu,Jie; Lin,Lisha; Sun,Huifang; Yang,Wenjiao; Cai,Ying; Gao,Na; Zhou,Lutan; Qin,Hongbo; Yin,Ronghua; Zhao,Jinhua
2021
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume256Pages:117513
AbstractMarine sulfated polysaccharides have aroused widespread concern for their various structures and bioactivities. Peroxide depolymerization is a common strategy in analysis of structures and structure-activity relationships of polysaccharides. However, confirming the depolymerization process and exact structures of the degradation products is still a considerable challenge. This study reported the structures of a fucan sulfate (FS) from sea cucumber Stichopus herrmanni and its depolymerized products (dFS) prepared by peroxide degradation. The FS was elucidated with a highly regular structure, {-3)-L-Fuc(2S)-(alpha 1-}n. Structure analysis of oligosaccharides purified from dFS suggested that peroxide degradation involved in cleavage of glycosidic bonds and oxidative modification of reducing end of sugar residue, while no break in sugar ring was observed. Both FS and series of dFSs exhibited significant anticoagulant activities due to their anti-thrombin effects in presence of heparin cofactor II and their potencies were related to their molecular sizes, dFS with similar to 20 kDa showed the strongest activity.
Keywordfucan sulfate peroxide depolymerization oligosaccharides anti-thrombin activity FUCOSYLATED CHONDROITIN SULFATE FREE-RADICAL DEPOLYMERIZATION PHYSICOCHEMICAL CHARACTERISTICS REPEATING UNIT BODY-WALL SEA FUCOIDAN GLYCOSAMINOGLYCAN POLYSACCHARIDES HEPARIN
DOI10.1016/j.carbpol.2020.117513
WOS IDWOS:000613255400002
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73349
Collection中国科学院昆明植物研究所
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China
2.South Cent Univ National, Sch Pharmaceut Sci, Wuhan 430074, Peoples R China
3.Chuxiong Med Coll, Chuxiong 675005, Peoples R China
4.Tianjin Univ Tradit Chinese Med, Tianjin State Key Lab Modern Chinese Med, Tianjin 300193, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li,Xiaomei,Li,Shanni,Liu,Jie,et al. A regular fucan sulfate from Stichopus herrmanni and its peroxide depolymerization: Structure and anticoagulant activity[J]. CARBOHYDRATE POLYMERS,2021,256:117513.
APA Li,Xiaomei.,Li,Shanni.,Liu,Jie.,Lin,Lisha.,Sun,Huifang.,...&Zhao,Jinhua.(2021).A regular fucan sulfate from Stichopus herrmanni and its peroxide depolymerization: Structure and anticoagulant activity.CARBOHYDRATE POLYMERS,256,117513.
MLA Li,Xiaomei,et al."A regular fucan sulfate from Stichopus herrmanni and its peroxide depolymerization: Structure and anticoagulant activity".CARBOHYDRATE POLYMERS 256(2021):117513.
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