文章. Wagner EK, Bloom DC (1997) Experimental investigation of herpes simplex virus latency. Clin Microbiol Rev 10: 419–43. 被如下文章引用:. Infection by herpes simplex virus. “Experimental investigation of herpes simplex virus latency,” Clinical. Advances in Experimental Medicine.
Experimental investigation of herpes simplex virus latency. The clinical manifestations of herpes simplex virus infection generally involve a mild and localized primary infection followed by asymptomatic (latent) infection interrupted sporadically by periods of recrudescence (reactivation) where virus replication and associated cytopathologic findings are manifest at the site of initial infection. During the latent phase of infection, viral genomes, but not infectious virus itself, can be detected in sensory and autonomic neurons. The process of latent infection and reactivation has been subject to continuing investigation in animal models and, more recently, in cultured cells. The initiation and maintenance of latent infection in neurons are apparently passive phenomena in that no virus gene products need be expressed or are required.
- The clinical manifestations of herpes simplex virus infection generally involve a mild and localized primary infection followed by asymptomatic (latent) infection.
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- . American Society for Microbiology Experimental Investigation of Herpes Simplex Virus. Experimental Investigation of Herpes Simplex Virus Latency†}.
- . in Explants Demonstrates Quantitative and Qualitative. experimental latent herpes simplex virus. investigation of herpes simplex virus latency.
Despite this, a single latency- associated transcript (LAT) encoded by DNA encompassing about 6% of the viral genome is expressed during latent infection in a minority of neurons containing viral DNA. This transcript is spliced, and the intron derived from this splicing is stably maintained in the nucleus of neurons expressing it. Reactivation, which can be induced by stress and assayed in several animal models, is facilitated by the expression of LAT. Although the mechanism of action of LAT- mediated facilitation of reactivation is not clear, all available evidence argues against its involving the expression of a protein. Rather, the most consistent models of action involve LAT expression playing a cis- acting role in a very early stage of the reactivation process.