Gonococcal porin vaccine evaluation: comparison of Por proteosomes, liposomes, and blebs isolated from rmp deletion mutants.

Gonococcal porin vaccine evaluation: comparison of Por proteosomes, liposomes, and blebs isolated from rmp deletion mutants.
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淋球菌孔蛋白疫苗评估:比较从 rmp 缺失突变体中分离的 Por 蛋白体、脂质体和泡。

DOI:
10.1093/infdis/166.3.551
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发表时间:
1992
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
Gotschlich,EC
Gotschlich,EC
中科院分区:
--
文献类型:
--
作者:
Wetzler,LM;Blake,MS;Barry,K;Gotschlich,EC

文献摘要

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淋球菌主要外膜蛋白Por(蛋白I)是一种潜在的候选疫苗。一项大规模的动物试验比较了插入脂质体(模仿其体内结构)的Por与以前使用的含有Por的疫苗的免疫原性。从RMP(蛋白III)阴性的淋球菌突变体中提纯POR,并将其制成五种不同的制剂:蛋白小体、明矾吸收的蛋白小体、脂质体、淋球菌膜泡和明矾吸收的淋球菌膜泡。POR脂质体诱导的Por抗体数量最多,蛋白体和两种水泡制剂诱导的Por抗体数量最少。与脂质体相比,吸附在明矾上的蛋白体产生的Por抗体略低,尤其是在使用蛋白IA的情况下。全生物吸收研究表明,脂质体诱导的Por抗体识别暴露的蛋白质部分的比例明显高于蛋白酶体或蛋白酶体/明矾诱导的抗体。
The gonococcal major outer membrane protein, Por (protein I), is a potential vaccine candidate. A large-scale animal trial compared the immunogenicity of Por inserted in liposomes (mimicking its in vivo structure) with previously used vaccines containing Por. Por was purified from Rmp (protein III)-negative gonococcal mutants and made into five different formulations: proteosomes, proteosomes absorbed to alum, liposomes, gonococcal membrane blebs, and gonococcal membrane blebs absorbed to alum. Por liposomes induced the greatest amount of Por antibodies; proteosomes and both preparations of blebs induced minimal amounts of Por antibodies. Proteosomes absorbed to alum induced slightly lower amounts of Por antibodies than did liposomes, especially when protein IA was used. Whole-organism absorption studies revealed that a significantly greater percentage of liposome-induced Por antibodies recognized exposed portions of the protein than did proteosome- or proteosome/alum-induced antibodies.
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