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In vitro antiviral activity of sulfated Auricularia auricula polysaccharides

文献类型: 外文期刊

作者: The Luong Nguyen 1 ; Chen, Jin; Hu, Yuanliang 1 ; Wang, Deyun 1 ; Fan, Yunpeng 1 ; Wang, Junmin 1 ; Abula, Saifudin 1 ;

作者机构: 1.Nanjing Agr Univ, Coll Vet Med, Inst Tradit Chinese Vet Med, Nanjing 210095, Jiangsu, Peoples R China

2.Nanjing Agr Univ, Coll Vet Med, Inst Tradit Chinese Vet Med, Nanjing 210095, Jiangsu, Peoples R C

关键词: Sulfated Auricularia auricula polysaccharide;Newcastle disease virus;Cellular infectivity

期刊名称:CARBOHYDRATE POLYMERS ( 影响因子:9.381; 五年影响因子:8.678 )

ISSN:

年卷期:

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收录情况: SCI

摘要: Total Auricularia auricula polysaccharide (AAP_t) was prepared by extracting and removing the proteins. Column chromatography was used to further graded it into AAP1 and AAP2. Three AAPs were modified by chlorosulfonic acid-pyridine method to obtain three sulfated AAPs (sAAPs), sAAP_t, sAAP1 and SAAP2, respectively. Three sAAPs and Newcastle disease virus (NDV) were added into cultivation system of chicken embryo fibroblast (CEF) in three manners, pre-, post- and simultaneous-adding polysaccharide with NDV respectively, taking three non-modified AAPs as control. Their anti-viral activities were compared by MTT method. The results showed that sAAPs and AAPs at a certain concentration could significantly inhibit the cellular infectivity of NDV in three manners. The effects of sAAPs were better than that of AAPs. It indicated that sulfated modification could enhance the antiviral activity of AAP. sAAP1 and sAAP_t possessed stronger activity and would be as the component of a new-type antiviral drug.

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