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呼吸道合胞病毒疫苗的研究和临床应用 被引量:2

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摘要 简介呼吸道合胞病毒(RSV)的生物学特点和疫苗研究的进展。已经和正在研制的 RSV疫苗包括:(1)福尔马林灭活RSV疫苗;(2)活病毒疫苗,是通过冷传代和温度敏感传代获得的RSV减毒活疫苗,其免疫反应与自然感染相似,感染野生型RSV不加剧病情,能被动获得RSV中和抗体产生保护性免疫反应,是目前正在婴幼儿中试用观察的疫苗;(3)cDNA疫苗,是从RSV cDNA克隆中回收具有感染性重组RSV的活病毒疫苗,在下呼吸道高度减活,可显著提高对野生型-RSV感染的免疫力,安全性好,可构建含有RSV A、B组的 G基因cDNA2价疫苗;(4)载体疫苗,RSV F、G嵌合疫苗由表达含有RSVF和G蛋白的杆状病毒纯化获得;(5)亚单位疫苗,对下呼吸道感染具有保护作用,中和抗体滴度高;(6)合成肽类疫苗等。
出处 《国外医学(儿科学分册)》 2002年第2期94-97,共4页 Foreign Medical Sciences(Section of Pediatrics)
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