H7N9禽流感病毒裂解佐剂(MF59)疫苗的长期免疫原性研究

被引:3
作者
吴晓鑫 [1 ]
沈吉友 [2 ]
李方仲 [2 ]
姚航平 [1 ]
姚伟 [2 ]
李兰娟 [1 ]
机构
[1] 浙江大学医学院附属第一医院感染科传染病诊治国家重点实验室
[2] 浙江天元生物药业有限公司技术开发部
关键词
H7N9禽流感病毒; MF59佐剂; 疫苗; 免疫原性; 血凝抑制抗体; 微量中和抗体;
D O I
10.13309/j.cnki.pmi.2019.05.002
中图分类号
R392-33 [免疫学技术、设备及实验方法];
学科分类号
100102 ;
摘要
目的评价H7N9禽流感病毒裂解佐剂(MF59)疫苗的长期免疫原性。方法制备含MF59佐剂的H7N9禽流感病毒裂解疫苗成品,放置于(6±2)℃环境下,取保存6、24和30个月后的疫苗,对小鼠进行免疫,以血凝抑制效价和微量中和抗体滴度来评估该疫苗的免疫原性。同时,用存放30个月的疫苗进行2次免疫后,对小鼠进行攻毒,观察MF59佐剂疫苗的免疫保护效应。结果 H7N9禽流感病毒裂解佐剂(MF59)疫苗在(6±2)℃保存30个月后免疫小鼠,检测其血凝抑制抗体效价和微量中和抗体滴度均没有明显的变化,且免疫小鼠能够有效抵御H7N9病毒的感染及其致病效应。结论 H7N9禽流感病毒裂解佐剂(MF59)疫苗具有良好的免疫原性,在(6±2)℃至少可保存30个月。
引用
收藏
页码:10 / 15
页数:6
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