聚乳酸/聚乙醇酸可生物降解微球的制备及其对RNP的佐剂作用

被引:8
作者
苏焱
王继麟
薛红刚
朱家鸿
机构
[1] 武汉生物制品研究所!武汉
关键词
生物可降解微球; 佐剂; RNP;
D O I
10.13200/j.cjb.2000.04.33.suy.011
中图分类号
R944 [剂型];
学科分类号
100602 ; 100702 ;
摘要
目的 制备包裹狂犬病毒核衣壳 (RNP)的PLA/PLG可生物降解微球 ,并观察其对RNP的佐剂作用。方法 以蛋白载量、包裹率、微球形态及粒径分布作为评价微球质量的指标 ,通过变换制备条件 ,获取质量较好的微球 ;观察三种不同聚合物材料制成的RNP微球在体外 37℃条件下的水解和释放 ;比较不同微球免疫效果。结果 PLA/PLG微球作为RNP载体 ,单剂接种诱生实验动物的抗NP抗体与AL(OH) 3 佐剂两次接种的滴度接近 ,但明显好于不加佐剂的对照组。结论 PLA/PLG微球对RNP具有良好的佐剂作用。
引用
收藏
页码:224 / 228
页数:5
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