首页> 外文期刊>Journal of Neuroimmunology: Official Bulletin of the Research Committee on Neuroimmunology of the World Federation of Neurology >Evidence that deficient IFN-gamma production is a biological basis of herpes simplex virus type-2 neurovirulence.
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Evidence that deficient IFN-gamma production is a biological basis of herpes simplex virus type-2 neurovirulence.

机译:IFN-γ产生不足的证据是单纯疱疹病毒2型神经毒力的生物学基础。

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摘要

Although immune response control of herpes simplex virus (HSV) has been well demonstrated, numerous HSV-2 strains are neurovirulent in immunocompetent mice. Using an RNase protection assay and an ELISA, we found that HSV-2-infected mice exhibited a deficient IFN-gamma response, an inability to clear virus, and eventual death. An HSV-based amplicon vector expressing mouse IFN-gamma was constructed and packaged into HSV-1-helper virus (HSV(pIFN-gamma)). In mice treated with HSV(pIFN-gamma), (i) the LD50 of HSV-2(G) increased 5000-fold, (ii) intracerebral IFN-gamma expression increased 10-fold, and (iii) HSV titer rapidly decreased. We suggest that the deficient IFN-gamma response is a basis for HSV-2 neurovirulence in mice.
机译:尽管已经很好地证明了单纯疱疹病毒(HSV)的免疫应答控制,但许多HSV-2株在具有免疫能力的小鼠中都具有神经毒性。使用RNase保护测定和ELISA,我们发现被HSV-2感染的小鼠表现出不足的IFN-γ反应,无法清除病毒以及最终死亡。构建基于HSV的表达小鼠IFN-γ的扩增子载体,并将其包装到HSV-1-helper病毒(HSV(pIFN-γ))中。在用HSV(pIFN-γ)治疗的小鼠中,(i)HSV-2(G)的LD50增加5000倍,(ii)脑内IFN-γ表达增加10倍,并且(iii)HSV滴度迅速降低。我们建议,缺乏的IFN-γ反应是小鼠HSV-2神经毒力的基础。

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