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KMID : 0357219980100020113
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Journal of Korean Society Physical Therapy
1998 Volume.10 No. 2 p.113 ~ p.125
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Parametric Analysis on the Viral Infection in The Rat Circardian Control Center
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Abstract
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The neurotropic psudorabies virus(PRV) to replicate within neurons is very useful pathogen for neuronal tracing. I carried out this study to investigate the parametric analysis on the viral infection in the rat circadian control center with two genetically engineered strains out of PRV. The two strains are isogenic with the attenuated Bartha strain of PRV ; in one strain a lacZ reporter gene was inserted into the gC locus (PRV-BaBlu ; 4.75times10^8pfu/ml) and the other strain contained a PRV envelope glycoprotein gene(PRV-D ; 2.5times10^8pfu/ml) theat is absent in PRV-BaBlu. simultaneous or temporally separated sequential injection of2{mu}l of each strain into the vetreous body of eye produced a course of transsynaptic infection of retinohypothalamic circuitry. The results were as follows; 1. PRV-BaBlu and PRV-D infected the suprachiasmatic nucleus in hypothalamus and intergeniculate leaflet in lateral geniculate nucleus of thalamus. 2. The rate of PRV infection was dependent upon PRV strain. 3. Pre-infected neurons by PRV-D were interfered with the replication of PRV-BaBlu. 4. Dual injection of PRV-D and PRV-BaBlu showed more virulent than the parental strain.
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KEYWORD
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