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用编码糖蛋白D或糖蛋白B的DNA疫苗进行免疫,单独或联合使用,可在单纯疱疹病毒2型疾病的动物模型中诱导保护性免疫。

Immunization with DNA vaccines encoding glycoprotein D or glycoprotein B, alone or in combination, induces protective immunity in animal models of herpes simplex virus-2 disease.

作者信息

McClements W L, Armstrong M E, Keys R D, Liu M A

机构信息

Department of Virus and Cell Biology, Merck Research Laboratories, West Point, PA 19486, USA.

出版信息

Proc Natl Acad Sci U S A. 1996 Oct 15;93(21):11414-20. doi: 10.1073/pnas.93.21.11414.

Abstract

DNA vaccines expressing herpes simplex virus type 2 (HSV-2) full-length glycoprotein D (gD), or a truncated form of HSV-2 glycoprotein B (gB) were evaluated for protective efficacy in two experimental models of HSV-2 infection. Intramuscular (i.m.) injection of mice showed that each construction induced neutralizing serum antibodies and protected the mice from lethal HSV-2 infection. Dose-titration studies showed that low doses (< or = 1 microgram) of either DNA construction induced protective immunity, and that a single immunization with the gD construction was effective. The two DNAs were then tested in a low-dosage combination in guinea pigs. Immune sera from DNA-injected animals had antibodies to both gD and gB, and virus neutralizing activity. When challenged by vaginal infection with HSV-2, the DNA-immunized animals were significantly protected from primary genital disease.

摘要

在两种单纯疱疹病毒2型(HSV-2)感染实验模型中,对表达HSV-2全长糖蛋白D(gD)或HSV-2糖蛋白B(gB)截短形式的DNA疫苗的保护效力进行了评估。对小鼠进行肌肉注射显示,每种构建体均可诱导产生中和血清抗体,并保护小鼠免受致死性HSV-2感染。剂量滴定研究表明,低剂量(≤1微克)的任何一种DNA构建体均可诱导保护性免疫,并且单次接种gD构建体即有效。然后在豚鼠中对这两种DNA进行低剂量联合测试。来自注射DNA动物的免疫血清具有针对gD和gB的抗体以及病毒中和活性。当通过阴道感染HSV-2进行攻击时,经DNA免疫的动物受到显著保护,免受原发性生殖器疾病的侵害。

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