食品科学 ›› 2009, Vol. 30 ›› Issue (19 ): 297-299.doi: 10.7506/spkx1002-6630-200919070

• 营养卫生 • 上一篇    下一篇

黑灵芝多糖对免疫抑制小鼠的免疫调节作用

李文娟,聂少平,余 强,李景恩,谢明勇   

  1. 南昌大学 食品科学与技术国家重点实验室
  • 收稿日期:2009-06-10 出版日期:2009-10-01 发布日期:2010-12-29
  • 通讯作者: 谢明勇 E-mail:myxie@ncu.edu.cn
  • 基金资助:

    国家“863”计划项目(2008AA10Z325);食品科学与技术国家重点实验室目标导向资助项目(SKLF- MB-200806);江西省科技厅科技攻关重点项目

Immune Modulation of Polysaccharides from Ganoderma atrum on Immunosuppressed Mice

LI Wen-juan,NIE Shao-ping,YU Qiang,LI Jing-en,XIE Ming-yong*   

  1. (State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China)
  • Received:2009-06-10 Online:2009-10-01 Published:2010-12-29
  • Contact: XIE Ming-yong* E-mail:myxie@ncu.edu.cn

摘要:

目的:探讨黑灵芝多糖对免疫功能低下小鼠的免疫调节作用。方法:采用环磷酰胺建立免疫抑制小鼠动物模型,实验分为5 组:空白组、模型组、黑灵芝多糖高、中、低剂量组。小鼠以腹腔注射的方法给予不同剂量黑灵芝多糖,利用称重计算脾脏和胸腺指数,MTT 检法测T、B 淋巴细胞增殖,双抗夹心ABC-ELISA 法检测小鼠血清中IL-2 和TNF-α含量,分析黑灵芝多糖对小鼠免疫功能的影响。结果表明:黑灵芝多糖可增加脾脏和胸腺指数,促进T、B 淋巴细胞增殖,提高血清中IL-2 和TNF-α含量。结论:黑灵芝多糖具有明显增强免疫抑制小鼠的免疫功能的作用。

关键词: 黑灵芝多糖, 免疫, 淋巴细胞

Abstract:

Objective: To investigate immune modulation of polysaccharides from Ganoderma atrum on immunosuppressed mice induced by cyclophosphamide. Methods: An immunosuppressed murine model was induced by intraperitoneal injection of cyclophosphamide. Mice were divided into five groups: blank control group, model group, high-dose (100 mg/kg), middledose (50 mg/kg) and low-dose (25 mg/kg) polysaccharide groups. Thymus and spleen index were determined by weight. T and B lymphocyte proliferation were measured by MTT assay. Concentrations of IL-2 and TNF- α in serum were determined by using quantitative sandwich enzyme-linked immunosorbent assay (ELISA) kits. Results: Polysaccharides from Ganoderma atrum could significantly increase thymus and spleen index, T and B lymphocyte proliferation and concentrations of TNF-α and IL-2 in serum. Conclusion: Polysaccharides from Ganoderma atrum have immune-improving functions on immunosuppressed mice induced by cyclophosphamide.

Key words: polysaccharides from Ganoderma atrum, immune, lymphocyte

中图分类号: