论文部分内容阅读
为探索痢疾杆菌感染是否产生免疫记忆,本文以福氏痢疾杆菌2a经口及腹腔免疫小鼠两次(相隔14d),间隔三个月后再刺激,应用BA-ELISPOT法检测了小鼠Peyer(PP)淋巴结、肠系膜淋巴结(MLN)及脾脏(SPL)中特异性IgA、IgG、IgM抗体分泌细胞(ASC)的变化;并以MTT比色法测定了ConA诱导的淋巴细胞增殖反应;还观察了小肠粘膜组织切片。实验表明:口服途径能诱导PP中ASC及淋转的回忆反应,小肠粘膜可见淋巴滤泡显著增生;而腹腔途径只在SPL中诱导出ASC及淋转回忆反应。结果提示:痢疾杆菌感染存在免疫记忆反应。
In order to explore whether Shigella dysenteriae infection produces immune memory, we immunized mice with Shigella flexneri 2a twice a day (14 days apart) and restimulated three months later. PP), the changes of specific IgA, IgG and IgM antibody-secreting cells (ASC) in lymph node, mesenteric lymph node (MLN) and spleen (SPL) were measured. ConA-induced lymphocyte proliferation was measured by MTT assay. Small intestinal mucosal tissue sections. Experiments show that: the oral route can induce PP and lymph node lymphatic recall reaction, small intestinal mucosa showed significant proliferation of lymphoid follicles; while the peritoneal approach induced only in the SPL ASC and lymph node recall reaction. The results suggest that there is immune memory reaction in Shigella infection.