Polysaccharide from Radix Codonopsis has beneficial effects on the maintenance of T-cell balance in mice

被引:44
|
作者
Deng, Xiangliang [1 ,2 ,3 ]
Fu, Yajun [1 ]
Luo, Shuang [1 ]
Luo, Xia [1 ]
Wang, Qing [1 ]
Hu, Minghua [2 ]
Ma, Fangli [2 ]
Ma, Chung Wah [2 ]
Zhou, Lian [1 ]
机构
[1] Guangzhou Univ Chinese Med, Sch Pharmaceut Sci, Guangzhou 510006, Guangdong, Peoples R China
[2] Infinitus Chinese Herbal Immun Res Ctr, Guangzhou 510663, Guangdong, Peoples R China
[3] Guangdong Pharmaceut Univ, Sch Chinese Med, Guangzhou 510006, Guangdong, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Radix Codonopsis polysaccharide; Immune balance; Flow cytometry; Th17; cells; WATER-SOLUBLE POLYSACCHARIDE; PILOSULA; HYDROCORTISONE; IMMUNITY; ACTIVATION; TH1/TH2; SEPSIS; ASTHMA; ROOTS; RATIO;
D O I
10.1016/j.biopha.2019.108682
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Immunity due to immune balance contributes to disease prevention and treatment. Radix Codonopsis polysaccharide (RCP) is isolated from the root of the Chinese herb Codonopsis pilosula. Previous studies have indicated that RCP has immunomodulatory activities; however, the effects of RCP on immunity, especially immune balance, are still largely unknown. In the present study, we investigated the effects of RCP on T-cell balance in mice. The mice were pretreated intragastrically with or without RCP for 15 days and injected with hydrocortisone on days 10-15 to disturb the immune system. The spleen and thymus were weighed and used to calculate immune organ indexes. The percentages of CD4(+) T cells, CD8(+) T cells, Th1 cells, Th2 cells, regulatory T cells (Tregs) and Th17 cells in peripheral blood were assayed by flow cytometry. Pro-inflammatory and anti-inflammatory cytokines, TNF-alpha, IL-1 beta and IL-10, in serum were determined by enzyme-linked immunosorbent assay (ELISA) kits. The results showed that RCP pretreatment could maintain the homeostasis of CD8(+) T cells, Tregs, Th17 cells, TNF-alpha, IL-1 beta and IL-10 in hydrocortisone-treated mice. Furthermore, RCP pretreatment maintained the immune balance of CD4(+)/CD8(+) T cells, Th1/Th2 cells, Tregs/Th17 cells, IL-10/TNF-alpha and IL10/IL-1 beta. Taken together, RCP pretreatment had beneficial effects on the maintenance of T-cell balance against hydrocortisone disturbance in mice and potential to be developed into novel functional food.
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页数:7
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