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Obvious immune enhancement of bacterial DNA on guinea pigs against Streptococcus suis Hemolysin
Author(s): TANG Taishan, GUO Aizhen, LU Chengping, XU Dongqing
Pages: 477-
479,497
Year: 2004
Issue:
7
Journal: CHINESE JOURNAL OF IMMUNOLOGY
Keyword: 细菌DNA; 免疫增强; 猪链球菌溶血素; 豚鼠;
Abstract: 目的:研究大肠杆菌DNA的免疫增强效果.方法:用提取的大肠杆菌DNA、合成CpG-ODN、弗氏佐剂、蜂胶等不同佐剂分别与猪链球菌溶血素配合,免疫10日龄豚鼠,用溶血抑制实验、MTT法和细胞流式技术分别检测豚鼠体液免疫和细胞免疫状态.结果:经组间单因素相关性分析,大肠杆菌DNA、合成CpG-ODN和弗氏佐剂均能明显地增强豚鼠特异的体液免疫与细胞免疫,其中,所用大肠杆菌DNA的刺激溶血抑制抗体的活性与合成CpG-ODN相当(P>0.05),脾淋巴细胞刺激活性与弗氏佐剂相当(P>0.05).结论:所提取的大肠杆菌DNA具有强烈的免疫刺激作用,可望成为一种新型免疫佐剂.
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