摘要
目的 探讨神经免疫调节在抗原穴位注射增强机体免疫功能中的作用。方法 采用免疫组化、免疫荧光标记和 RT-PCR定量分析技术，观察了不同途径免疫的大鼠中枢神经的下丘脑外侧区（ LH）和杏仁核区（ AA）中 IL-1β、 IL-6的表达与脾脏单个核细胞的 IL-1β、 IL-2和 IFN-γ变化的关系。结果 抗原穴位注射组大鼠 LH和 AA脑区 IL-1β、 IL-6的表达明显高于皮下注射组 ,但阳性细胞表达的高峰时间相似。免疫荧光标记结果显示细胞因子阳性细胞为神经元。穴位免疫组脾脏单个核细胞 IL-2和 IFN-γ的表达明显高于皮下免疫组， IL-1β的表达无差异。 结论 结果提示抗原经不同注射途径 (皮下、穴位 )免疫动物 ,动物中枢神经系统的神经免疫调节功能活动的作用时程是相似的 ,仅表现为神经免疫调节的作用强度不同 ; LH和 AA脑区 IL-1β、 IL-6介导的神经免疫调节功能与机体的免疫功能状态呈正相关；神经元是神经免疫调质 /递质的来源。抗原经穴位注射增强机体免疫功能的作用机制可能为穴位免疫可更有效的动员中枢神经系统的免疫相关脑区的神经免疫调节功能 ,参与对免疫系统的功能调节。
Objective To study the mechanism of neuroimmunoregulation which is triggered by enhancing immunologic function via Hou Hai acupoint antigen injection. Methods Immunohistochemical method, immunofluorometric method and RT-PCR were used to examine the different distribution of cytokine immunopositive cells in the brain and expression of cytokines in the spleen of the human IgG sensitized rats recieved acupoint, subcutaneous and normal rats antigen injections. Results In the areas of lateral hypothalamic nucleus (LH) and amygdaloid nuclear complex(AA) , the distribution of cytokines immunopositive cells with acupoint injection group was significantly increased more than that in the subcutaneous injection group. But the expression of cytokines immunopositive cells both by the acupoint injection and the subcutaneous injection groups reached their peak value in similar time. Double-labelling results showed that the cytokine immunopositive cells were neurons. In the spleens， the expressions of cytokines, IL-2 and IFN,were significantly increased by acupoint injection more than subcutaneous injection. Conclusions The time course of neuroimmunoregulation is similar in the immunized rats via both acupoint injection and subcutaneous injection of antigens. But the activity of neuroimmunoregulation is not the same in acupoint and subcutaneous injection groups. Neurons of the LH and AA are the main source of the neuroimmunomodulators. The effect of enhancing immunologic function via Hou Hai acupoint injection is may be more efficient to mobilize the activity of neuroimmunoregulation of immune-associated brain region than modulation of the immune system.
出处
《中国医学科学院学报》
CAS
CSCD
北大核心
2001年第2期163-167,共5页
Acta Academiae Medicinae Sinicae
基金
国家自然科学基金!( 39740004)&&
