Astragalus polysaccharide enhances immunity and inhibits H9N2 avian influenza virus in vitro and in vivo.

Astragalus polysaccharide enhances immunity and inhibits H9N2 avian influenza virus in vitro and in vivo.
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黄芪多糖在体外和体内具有增强免疫力和抑制H9N2禽流感病毒的作用。

DOI:
10.1186/2049-1891-4-22
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发表时间:
2013-06-21
影响因子:
7
通讯作者:
Zhang Y
Zhang Y
中科院分区:
农林科学1区
文献类型:
--
作者:
Kallon S;Li X;Ji J;Chen C;Xi Q;Chang S;Xue C;Ma J;Xie Q;Zhang Y

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研究黄芪多糖(APS)对H9 N2禽流感病毒(H9 N2 AIV)的体液免疫效果。通过MTT [3(4,5-dimethylthiazol-2-yl)-2,3-diphenyl tetrazolium bromide]测定和MHC和细胞因子mRNA表达分析来评估APS处理对H9 N2感染的影响。并观察了对淋巴细胞和血清抗体滴度的影响。APS治疗后第1周,IL-4、IL-6、IL-10、LITAF、IL-12和抗H9 N2 AIV抗体滴度均升高。结果表明,APS处理降低了H9 N2 AIV的复制,并促进了雏鸡的早期体液免疫应答。
This study investigated the humoral immunization of Astragalus polysaccharide (APS) against H9N2 avian influenza virus (H9N2 AIV) infection in chickens. The effects of APS treatment on H9N2 infection was evaluated by an MTT [3(4, 5-dimethylthiazol-2-yl)-2, 3-diphenyl tetrazolium bromide] assay and analysis of MHC and cytokine mRNA expression. The effect on lymphocyte and serum antibody titers in vivo was also investigated. IL-4, IL-6, IL-10, LITAF, IL-12 and antibody titers to H9N2 AIV were enhanced in the first week after APS treatment. The results indicated that APS treatment reduces H9N2 AIV replication and promotes early humoral immune responses in young chickens.
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