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C型CpG单链寡核苷酸对哮喘小鼠Th1/Th2相关细胞因子的影响
引用本文:陈敏,吴斌,陈雄. C型CpG单链寡核苷酸对哮喘小鼠Th1/Th2相关细胞因子的影响[J]. 中国临床实用医学, 2009, 3(3): 46-48. DOI: 10.3760/cma.j.issn.1673-8799.2009.03.024
作者姓名:陈敏  吴斌  陈雄
作者单位:广东省湛江广东医学院附属医院呼吸内科,524001
摘    要:目的C型CpG—ODN对哮喘小鼠Th1/Th2相关细胞因子的影响,为CpG-ODN进一步应用提供依据。方法利用人工合成C型的CpG-ODN(ODN-M362),将其注射于哮喘小鼠腹腔,采用酶联免疫吸附法(ELISA)检测注射后小鼠的Th1和Th2细胞因子的含量,分析其有无差异性。结果C型CpG-ODN组BALF中EOS数量,血清IL-4水平明显低于对照组和哮喘组(P〈0.01),血清IFN-γ明显升高于对照组和哮喘组(P〈0.01)。结论C型的CpG-ODN,对哮喘小鼠Th1/Th2失衡有明显的逆转作用。

关 键 词:CpG单链寡核苷酸  哮喘  Th1/Th2

The effect of type C CpG-ODN on the expression of Th1/Th2 cytokines in a model of asthma
CHEN Min,WU Bin,CHEN Xiong. The effect of type C CpG-ODN on the expression of Th1/Th2 cytokines in a model of asthma[J]. China Clinical Practical Medicine, 2009, 3(3): 46-48. DOI: 10.3760/cma.j.issn.1673-8799.2009.03.024
Authors:CHEN Min  WU Bin  CHEN Xiong
Affiliation:. (Department of Respiratory Diseases ,Affiliated Hospital of Guangdong Medical College 524001, China)
Abstract:Objective To explore the effect of C types CpG-ODN on the expression of Th1/Th2 cyto-kines in a model of asthma. Methods Asthmatic mice models were established by ovalbumin intraperitoneal in-jection and atomization inhalation. Then the mice were intraperitoneally injected with C types CpG-ODN (ODN-M362), The serum levels of Th1 cytokine IFN-γand Th2 cytokine IL-4 were measured by ELISA. Meanwhile, e-osinophil count peripheral BALF were performed. Results C types CpG-ODN (ODN-M362) inhatitted the ex-pression of Th1 cytokine IFN-γand Th2 cytokine IL-4 in asthmatic mice (P<0.01). Compared with group Aand group B, group C enhanced obviously Th1 cytokine IFN-γ expression, downregulated Th2 cytokine IL-4 ex-pression. Conclusion ODN-M362, a kind of type C CpG-ODN, could correct the imbalance of Th1/Th2 on cy-tokine level.
Keywords:Th1/Th2
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